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张小波【EN】Liu Qin
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1:
[发明]
【中文】汽车里程防篡改方法及系统 【EN】Automobile mileage tamper-proofing method and system
申请号:
201911184015.7
公开号:CN110979007A 主分类号:B60K35/00
申请人:
【中文】江铃汽车股份有限公司【EN】JIANGLING MOTORS Co.,Ltd.
申请日:2019.11.27 公开日:2020.04.10
发明人:
【中文】刘利芬
;
张小波
;
刘钦
;
王爱春【EN】Liu Lifen
;
Zhang Xiaobo
;
Liu Qin
;
Wang Aichun
摘要:【中文】本发明公开了一种汽车里程防篡改方法及系统,该方法包括:车身电子稳定系统或防抱死制动系统向组合仪表发送轮速脉冲信息;组合仪表根据接收到的轮速脉冲信息计算出里程信息;发动机管理系统向组合仪表发送备份里程信息;组合仪表将自身计算的里程信息与发动机管理系统发送的备份里程信息进行比较,取两者较大者作为当前里程信息,并对当前里程信息进行显示。根据本发明提供的汽车里程防篡改方法,使得用户无法私自修改仪表显示的里程值,从而能够更好地保护主机厂或二手车买家的利益。 【EN】The invention discloses a method and a system for preventing automobile mileage from being tampered, wherein the method comprises the following steps: the vehicle body electronic stability system or the anti-lock braking system sends wheel speed pulse information to the combination instrument; the combination instrument calculates mileage information according to the received wheel speed pulse information; the engine management system sends backup mileage information to the combination meter; the combination meter compares the mileage information calculated by the combination meter with backup mileage information sent by an engine management system, takes the larger of the mileage information and the backup mileage information as the current mileage information, and displays the current mileage information. According to the automobile mileage tamper-proofing method provided by the invention, a user cannot modify the mileage value displayed by the instrument privately, so that the benefits of a host factory or a used-car buyer can be better protected.
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2:
[发明]
【中文】一种自动挡燃油汽车的远程启动控制系统及方法 【EN】Remote start control system and method for automatic transmission fuel automobile
申请号:
201911166851.2
公开号:CN111002947A 主分类号:B60R25/24
申请人:
【中文】江铃汽车股份有限公司【EN】JIANGLING MOTORS Co.,Ltd.
申请日:2019.11.25 公开日:2020.04.14
发明人:
【中文】王爱春
;
胡阳
;
张小波
;
刘钦【EN】Wang Aichun
;
Hu Yang
;
Zhang Xiaobo
;
Liu Qin
摘要:【中文】本发明公开了一种自动挡燃油汽车的远程启动控制系统及方法,属于汽车电子技术领域。控制系统包括中央网关模块、无钥匙进入和启动模块、发动机控制模块、车联网模块、电子稳定模块、车身控制模块、组合仪表模块、变速箱控制模块。控制方法应用控制装置实现。本发明中车主可以携带合法钥匙将车辆从远程启动模式无缝切换至正常启动模式。若远程启动失败则手机APP会根据所述无钥匙进入启动模块PEPS经所述车联网模块TBOX反馈的错误码提示车主失败原因。该远程启动流程中包含了三重模块之间的加密认证,另外远程启动时间也可通过手机APP进行4‑15分钟的自定义设置,有效的提高了远程启动功能的安全性。 【EN】The invention discloses a remote start control system and method for an automatic fuel-oil-shift automobile, and belongs to the technical field of automobile electronics. The control system comprises a central gateway module, a keyless entry and starting module, an engine control module, an internet of vehicles module, an electronic stabilization module, a vehicle body control module, a combination instrument module and a gearbox control module. The control method is realized by the control device. According to the invention, the vehicle owner can carry a legal key to seamlessly switch the vehicle from the remote starting mode to the normal starting mode. If the remote start fails, the mobile phone APP prompts the reason of failure of the vehicle owner according to the error code fed back by the keyless entry start module PEPS through the vehicle networking module TBOX. The remote starting process comprises encryption authentication between the triple modules, in addition, the remote starting time can be set by self-defining for 4-15 minutes through the mobile phone APP, and the safety of the remote starting function is effectively improved.
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3:
[发明]
【中文】一种汽车整车模式逻辑控制及切换方法 【EN】Vehicle mode logic control and switching method
申请号:
202010042380.0
公开号:CN111038413A 主分类号:B60R16/02
申请人:
【中文】江铃汽车股份有限公司【EN】JIANGLING MOTORS Co.,Ltd.
申请日:2020.01.15 公开日:2020.04.21
发明人:
【中文】刘钦
;
王爱春
;
金文辉
;
丁文敏
;
张小波【EN】Liu Qin
;
Wang Aichun
;
Jin Wenhui
;
Ding Wenmin
;
Zhang Xiaobo
摘要:【中文】本发明涉及一种汽车整车模式逻辑控制及切换方法,包括主模块和从模块,所述主模块为车身控制模块,为模式管理的主节点;所述从模块包括无钥匙启动模块、发动机控制模块、手机蓝牙钥匙、组合仪表、娱乐影音系统和车联网模块TBOX,各从模块根据主模块发布的整车模式执行相应的动作来实现模式管理;本发明不仅能实现整车模式管理满足车辆各个阶段不同需求、为车辆提供OTA更新、减少能量使用提升能源效率和蓄电池使用寿命,还能保证整车相关模块在进行软硬件OTA升级时有足够的电量。 【EN】The invention relates to a complete vehicle mode logic control and switching method, which comprises a main module and a slave module, wherein the main module is a vehicle body control module and is a main node for mode management; the slave modules comprise a keyless starting module, an engine control module, a mobile phone Bluetooth key, a combination meter, an entertainment audio and video system and an Internet of vehicles module TBOX, and each slave module executes corresponding actions according to the whole vehicle mode issued by the master module to realize mode management; the invention can not only realize the management of the whole vehicle mode to meet different requirements of each stage of the vehicle, provide OTA updating for the vehicle, reduce energy use, improve energy efficiency and prolong the service life of the storage battery, but also ensure that related modules of the whole vehicle have enough electric quantity when software and hardware OTA upgrading is carried out.
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4:
[发明]
【中文】倾斜特厚煤层放顶煤开采下盘残留煤炭回收方法及系统 【EN】Method and system for recovering residual coal on lower wall in caving coal mining of inclined extra-thick coal seam
申请号:
201811270992.4
公开号:CN111101942A 主分类号:E21C41/18
申请人:
【中文】西安科技大学【EN】XI'AN UNIVERSITY OF SCIENCE AND TECHNOLOGY
申请日:2018.10.29 公开日:2020.05.05
发明人:
【中文】王燕
;
孙伟博
;
邱华富
;
刘浪
;
秦学斌
;
郇超
;
赵玉娇
;
张波
;
王美
;
陈柳
;
张小艳
;
王湃【EN】Wang Yan
;
Sun Weibo
;
Qiu Huafu
;
Liu Lang
;
Qin Xuebin
;
Chao chao
;
Zhao Yujiao
;
Zhang Bo
;
Wang Mei
;
Chen Liu
;
Zhang Xiaoyan
;
Wang Pai
摘要:【中文】本发明公开了一种倾斜特厚煤层放顶煤开采下盘残留煤炭回收方法及系统,其方法分区域对倾斜特厚煤层放顶煤开采下盘残留煤炭进行回收,相邻两个区域通过隔离煤柱隔开;各个区域的倾斜特厚煤层放顶煤开采下盘残留煤炭回收方法相同且均包括步骤:一、残留煤炭回收系统构建,二、残留煤炭回收;其系统包括控制器,通过隔离煤柱隔开的多个倾斜特厚煤层放顶煤开采下盘残留煤炭回收区域,以及设置在地面上的地表充气站和地表集气站。本发明方法步骤实施方便,能够有效回收倾斜特厚煤层放顶煤开采时下盘残留煤炭,煤炭资源回收率超过60%,实用性强,使用效果好,推广应用价值高。 【EN】The invention discloses a method and a system for recovering residual coal on the lower wall of caving coal mining of an inclined super-thick coal seam, wherein the method recovers the residual coal on the lower wall of caving coal mining of the inclined super-thick coal seam in different areas, and two adjacent areas are separated by an isolation coal pillar; the method for recovering the residual coal on the lower wall in the caving coal mining of the inclined super-thick coal seam in each area is the same and comprises the following steps: firstly, constructing a residual coal recovery system, and secondly, recovering residual coal; the system comprises a controller, a plurality of inclined super-thick coal seam caving coal mining lower wall residual coal recovery areas separated by isolating coal pillars, and an earth surface gas filling station and an earth surface gas collecting station which are arranged on the ground. The method provided by the invention is convenient to implement, can effectively recover residual coal on the lower tray during the top coal caving mining of the inclined super-thick coal seam, has the coal resource recovery rate of over 60%, and is strong in practicability, good in use effect and high in popularization and application value.
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5:
[发明]
【中文】云端智能蓄电池综合测试仪 【EN】High in clouds intelligence battery integrated test appearance
申请号:
201911319791.3
公开号:CN111103546A 主分类号:G01R31/382
申请人:
【中文】国网宁夏电力有限公司吴忠供电公司【EN】STATE GRID NINGXIA ELECTRIC POWER COMPANY WUZHONG POWER SUPPLY Co.
申请日:2019.12.19 公开日:2020.05.05
发明人:
【中文】马海
;
陈小龙
;
秦川
;
刘江涛
;
买亮
;
王硕
;
马涛
;
沈瑞轩
;
屈绪锋
;
马建文
;
王小明
;
张小波【EN】Ma Hai
;
Chen Xiaolong
;
Qin Chuan
;
Liu Jiangtao
;
Buying Bright
;
Wang Shuo
;
Ma Tao
;
Shen Ruixuan
;
Qu Xufeng
;
Ma Jianwen
;
Wang Xiaoming
;
Zhang Xiaobo
摘要:【中文】本发明公开一种云端智能蓄电池综合测试仪,包括充放电仪、主机、云服务器和终端,其中:充放电仪与主机电连接;主机与云服务器无线连接;云服务器与终端无线连接;主机包括箱体、通讯管理机、网关、电源模块、开关、显示屏和电源接口;箱体为手提箱形;通讯管理机与网关电连接;显示屏与通讯管理机电连接;电源模块经由开关分别与通讯管理机、网关和显示屏电连接;电源模块与电源接口电连接;通讯管理机与充放电仪电连接;网关与云服务器无线连接。有益效果:智能化程度高,使用快捷方便;集成化程度更高,功能完善,可灵活设置放电电池数量;具有自我保护功能,安全可靠;能自动生成测试报告并提出维护建议,且能实时数据存储。 【EN】The invention discloses a cloud intelligent storage battery comprehensive tester which comprises a charging and discharging instrument, a host, a cloud server and a terminal, wherein the charging and discharging instrument comprises: the charging and discharging instrument is electrically connected with the host; the host is in wireless connection with the cloud server; the cloud server is in wireless connection with the terminal; the host comprises a box body, a communication manager, a gateway, a power supply module, a switch, a display screen and a power supply interface; the box body is in a shape of a suitcase; the communication manager is electrically connected with the gateway; the display screen is electrically connected with the communication management machine; the power supply module is respectively and electrically connected with the communication manager, the gateway and the display screen through the switch; the power supply module is electrically connected with the power supply interface; the communication manager is electrically connected with the charge-discharge instrument; the gateway is in wireless connection with the cloud server. Has the advantages that: the intelligent degree is high, and the use is quick and convenient; the integration degree is higher, the functions are complete, and the number of discharged batteries can be flexibly set; the self-protection function is realized, and the safety and the reliability are realized; the test report can be automatically generated and the maintenance suggestion can be proposed, and the data can be stored in real time.
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6:
[发明]
【中文】降低隧道变形和突泥涌水的开挖方法 【EN】Excavation method for reducing tunnel deformation and mud inrush and water inrush
申请号:
201911267318.5
公开号:CN111075453A 主分类号:E21D9/00
申请人:
【中文】中铁隧道局集团建设有限公司【EN】China Railway Tunnel Bureau Group Construction Co., Ltd.
申请日:2019.12.11 公开日:2020.04.28
发明人:
【中文】郭纪锋
;
覃祚崇
;
龙清华
;
张焕珍
;
李宏飞
;
张瑞
;
兰小波
;
祖庆新
;
刘大伟
;
邓熙浩【EN】Guo Jifeng
;
Qin Zuochong
;
Long Qinghua
;
Zhang Huanzhen
;
Li Hongfei
;
Zhang Rui
;
Lanwavelet
;
Zu Qingxin
;
Liu Dawei
;
Deng Xihao
摘要:【中文】本发明公开了一种降低隧道变形和突泥涌水的开挖方法。其通过三台阶预留核心土带仰拱开挖,其包括:上台阶开挖、中台阶开挖、下台阶开挖和仰拱开挖,所述上台阶开挖、中台阶开挖、下台阶开挖和仰拱开挖通过非爆破设备开挖,边进行开挖,边喷射混凝土封闭待开挖的撑子面。本发明通过非爆破设备开挖,并对待开挖的撑子面喷射混凝土封闭,使得向前推进的工作面得到稳定,适宜复杂地层的开挖,减少围岩变形、降低溜坍、突泥涌水几率。 【EN】The invention discloses an excavation method for reducing tunnel deformation and mud inrush and water inrush. It reserves core soil area invert excavation through three steps, and it includes: the upper bench excavation, the middle bench excavation, the lower bench excavation and the inverted arch excavation are performed through non-blasting equipment excavation while the excavation is performed, and concrete is sprayed to seal a strut surface to be excavated. The invention excavates through non-blasting equipment and sprays concrete to seal the strut surface to be excavated, so that the forward propelled working surface is stable, the invention is suitable for excavating complex strata, the deformation of surrounding rocks is reduced, and the probability of slumping and water gushing is reduced.
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7:
[发明]
【中文】利用酿酒废水中菌渣生产有机肥的方法 【EN】Method for producing organic fertilizer by using bacterial residues in brewing wastewater
申请号:
202010043375.1
公开号:CN111205131A 主分类号:C05G3/00
申请人:
【中文】泸州品创科技有限公司
;
西南大学【EN】LUZHOU PINCHUANG TECHNOLOGY Co.,Ltd.
;
SOUTHWEST University
申请日:2020.01.15 公开日:2020.05.29
发明人:
【中文】张宿义
;
杨红军
;
敖宗华
;
黄建国
;
秦辉
;
刘大军
;
杨平
;
蔡小波
;
宋攀
;
李杰
;
雷翔云【EN】Zhang Suyi
;
Yang Hongjun
;
Ao Zonghua
;
Huang Jianguo
;
Qin Hui
;
Liu Dajun
;
Yang Ping
;
Cai Xiaobo
;
Song Pan
;
Li Jie
;
Lei Xiangyun
摘要:【中文】本发明属于酿酒副产物回收利用技术领域,具体涉及一种利用酿酒废水中菌渣生产有机肥的方法。针对酿酒废水处理时产生的废渣产量大、污染环境且无法资源化利用的问题,本发明提供了一种利用酿酒废水中菌渣生产有机肥的方法,包括以下步骤:a、在酒糟中添加微生物菌剂1和辅助剂1,发酵15~25天,得到一次发酵产物;b、在一次发酵产物中加入酿酒废水菌渣,混合后,再加入微生物菌剂2和辅助剂2,进行二次发酵20~40天,得到有机肥。本发明采用酿酒废水中菌渣和酒糟为原料,采用不同的微生物菌剂和辅助剂,通过二次发酵法,制备得到含水量低、养分高的有机肥,操作简便,经济效益显著,适宜推广。 【EN】The invention belongs to the technical field of recycling of brewing byproducts, and particularly relates to a method for producing an organic fertilizer by using mushroom dregs in brewing wastewater. Aiming at the problems of large waste residue yield, environmental pollution and incapability of resource utilization during the treatment of the brewing wastewater, the invention provides a method for producing an organic fertilizer by using mushroom dregs in the brewing wastewater, which comprises the following steps: a. adding a microbial agent 1 and an auxiliary agent 1 into the vinasse, and fermenting for 15-25 days to obtain a primary fermentation product; b. adding the residues of the brewing wastewater into the primary fermentation product, mixing, adding the microbial agent 2 and the auxiliary agent 2, and performing secondary fermentation for 20-40 days to obtain the organic fertilizer. The method adopts the fungus residues and the vinasse in the brewing wastewater as raw materials, adopts different microbial agents and auxiliary agents, and prepares the organic fertilizer with low water content and high nutrient through a secondary fermentation method, and has the advantages of simple and convenient operation, remarkable economic benefit and suitability for popularization.
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8:
[发明]
【中文】利用微生物菌剂处理酿酒废水菌渣的方法 【EN】Method for treating residues of brewing wastewater by using microbial agent
申请号:
202010042327.0
公开号:CN111186917A 主分类号:C02F3/34
申请人:
【中文】泸州品创科技有限公司
;
西南大学【EN】LUZHOU PINCHUANG TECHNOLOGY Co.,Ltd.
;
SOUTHWEST University
申请日:2020.01.15 公开日:2020.05.22
发明人:
【中文】秦辉
;
杨红军
;
敖宗华
;
黄建国
;
张宿义
;
刘大军
;
杨平
;
蔡小波
;
宋攀
;
宋珊
;
雷翔云【EN】Qin Hui
;
Yang Hongjun
;
Ao Zonghua
;
Huang Jianguo
;
Zhang Suyi
;
Liu Dajun
;
Yang Ping
;
Cai Xiaobo
;
Song Pan
;
Song Shan
;
Lei Xiangyun
摘要:【中文】本发明属于酿酒废水菌渣处理领域,具体涉及一种利用微生物菌剂处理酿酒废水菌渣的方法。针对酿酒废水处理时产生的废渣产量大、污染环境的问题,本发明提供了一种处理酿酒废水菌渣的方法,步骤如下:a、将乳杆菌、芽孢杆菌、曲霉和木霉进行活化,加入大麦粒、高粱叶、甘蔗叶和水,室温培养10~20天,制备得到微生物菌剂;b、在酿酒废水菌渣中加入微生物菌剂和辅助剂,混匀;c、发酵,1~3天后开始升温,2~7天温度达到最高温度62~73℃,维持最高温度7~15天,再发酵10~13天,发酵总时间20~38天。本发明方法发酵周期短,发酵过程无臭味产生,菌渣中的含水率降低至35%以下,对环境无二次污染,具有重要的现实意义。 【EN】The invention belongs to the field of treatment of brewing wastewater and fungus residues, and particularly relates to a method for treating brewing wastewater and fungus residues by using a microbial agent. Aiming at the problems of large output of waste residues and environmental pollution generated in the process of treating the brewing wastewater, the invention provides a method for treating the bacterial residues in the brewing wastewater, which comprises the following steps: a. activating lactobacillus, bacillus, aspergillus and trichoderma, adding barley grains, sorghum leaves, sugarcane leaves and water, and culturing at room temperature for 10-20 days to prepare a microbial agent; b. adding a microbial agent and an auxiliary agent into the brewing wastewater fungus residues, and uniformly mixing; c. and (3) fermenting, wherein the temperature is raised after 1-3 days, the temperature reaches the highest temperature of 62-73 ℃ after 2-7 days, the highest temperature is maintained for 7-15 days, and the fermentation is carried out for 10-13 days, wherein the total fermentation time is 20-38 days. The method has the advantages of short fermentation period, no odor in the fermentation process, reduction of the water content in the fungus residues to below 35 percent, no secondary pollution to the environment and important practical significance.
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9:
[发明]
【中文】一种智能调节路灯以及路灯系统 【EN】Intelligent regulation street lamp and street lamp system
申请号:
202010031097.8
公开号:CN111140795A 主分类号:F21S8/08
申请人:
【中文】中铁第四勘察设计院集团有限公司【EN】CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP Co.,Ltd.
申请日:2020.01.13 公开日:2020.05.12
发明人:
【中文】朱孟君
;
秦绍清
;
刘涛
;
胡启文
;
梁波
;
张鸿鸣
;
肖尧
;
赵龙
;
梁小龙
;
王志军
;
钟坤
;
曾嵩
;
王东玮【EN】Zhu Mengjun
;
Qin Shaoqing
;
Liu Tao
;
Hu Qiwen
;
Liang Bo
;
Zhang Hongming
;
Xiao Yao
;
Zhao Long
;
Liang Xiaolong
;
Wang Zhijun
;
Zhong Kun
;
Zeng Song
;
Wang Dongwei
摘要:【中文】本发明公开一种智能调节路灯以及路灯系统,智能调节路灯包括底座、竖向灯杆、横向灯杆、旋转灯头、照度传感器以及控制器;竖向灯杆固定设置于底座的顶侧,横向灯杆设置于竖向灯杆的顶端,旋转灯头转动地连接在横向灯杆的尾端;控制器设置于底座内部并分别与照度传感器和旋转灯头电连接;照度传感器设置于行车道路上,并用于采集单位时间内光照度信息,控制器用于根据光照度信息获取当前车流量,并根据车流量以及预设控制策略调整旋转灯头相对于道路延伸方向的倾斜角度以调节所述旋转灯头在道路上的灯光投射面积。本发明能够在夜间交通量小的情况下,节省电源,提高光源利用率,增大灯光照射面积,为行车提供方便。 【EN】The invention discloses an intelligent adjusting street lamp and a street lamp system, wherein the intelligent adjusting street lamp comprises a base, a vertical lamp post, a transverse lamp post, a rotary lamp holder, an illumination sensor and a controller; the vertical lamp post is fixedly arranged on the top side of the base, the transverse lamp post is arranged at the top end of the vertical lamp post, and the rotary lamp cap is rotationally connected to the tail end of the transverse lamp post; the controller is arranged in the base and is respectively and electrically connected with the illumination sensor and the rotary lamp cap; the controller is used for acquiring current traffic flow according to the illuminance information and adjusting the inclination angle of the rotary lamp head relative to the extending direction of the road according to the traffic flow and a preset control strategy so as to adjust the light projection area of the rotary lamp head on the road. The invention can save power supply, improve the utilization rate of light source, increase the light irradiation area and provide convenience for driving under the condition of small traffic at night.
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10:
[发明]
【中文】气路保护式激光粉尘浓度检测装置及其自检方法 【EN】Gas circuit protection type laser dust concentration detection device and self-detection method thereof
申请号:
202010055445.5
公开号:CN111220577A 主分类号:G01N21/53
申请人:
【中文】中煤科工集团重庆研究院有限公司【EN】CHONGQING RESEARCH INSTITUTE CO., LTD. OF CHINA COAL TECHNOLOGY & ENGINEERING GROUP
申请日:2020.01.17 公开日:2020.06.02
发明人:
【中文】李德文
;
刘国庆
;
焦敏
;
赵政
;
惠立锋
;
巫亮
;
王宇廷
;
晏丹
;
邓勤
;
王俊庭
;
吴付祥
;
张强
;
曹利波
;
李征真
;
罗小博【EN】Li Dewen
;
Liu Guoqing
;
Jiao Min
;
Zhao Zheng
;
Hui Lifeng
;
Wu Liang
;
Wang Yuting
;
Yan Dan
;
Deng Qin
;
Wang Junting
;
Wu Fuxiang
;
Zhang Qiang
;
Cao Libo
;
Li Zhengzhen
;
Luo Xiaobo
摘要:【中文】本发明涉及激光检测、颗粒物检测、粉尘检测或煤矿开采技术领域,具体涉及气路保护式激光粉尘浓度检测装置其自检方法,包括主激光发生器、激光接收器、散射感光器和本体,主激光发生器的出射激光穿过发射室和主光孔射入检测室,一部分激光穿过检测室的光达到激光接收器,一部分激光经过检测室内的粉尘散射达到散射感光器,第一进气管的管口与主光孔不对准,设置第一进气管从而可以向第一进气管通入无尘气流以便气流由发射室流向检测室,在此气流的带动下,能够大幅度减少由检测室逸向发射室的粉尘量,从而能够大幅度降低清洁主激光发生器至检测室的激光光路的频率,从而能够大幅降低拆卸气路保护式激光粉尘浓度检测装置以清洁的频率。 【EN】The invention relates to the technical field of laser detection, particle detection, dust detection or coal mining, in particular to a self-checking method of a gas path protection type laser dust concentration detection device, which comprises a main laser generator, a laser receiver, a scattering photoreceptor and a body, wherein emergent laser of the main laser generator penetrates through an emission chamber and a main light hole and then enters into a detection chamber, part of laser penetrates through the light of the detection chamber and reaches the laser receiver, part of laser penetrates through dust scattering in the detection chamber and reaches the scattering photoreceptor, a pipe orifice of a first air inlet pipe is not aligned with the main light hole, the first air inlet pipe is arranged so that dust-free air flow can be introduced into the first air inlet pipe so that the air flow flows from the emission chamber to the detection chamber, under the driving of the air flow, the dust amount escaping from the detection chamber to the emission chamber can be greatly reduced, and the frequency of a laser light path from the main laser generator to the, therefore, the frequency of disassembling the gas circuit protection type laser dust concentration detection device for cleaning can be greatly reduced.
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