摘要：本实用新型公开了一种高压智能综合保护器用遥控器，该遥控器包括发射电路和接收电路，接收电路包括红外接收器，红外接收器的电源端接电源，红外接收器的输出端接单片机的输入端，单片机的输出端接光耦的输入端的负极，光耦输入端的正极通过电阻接电源正极，光耦输出端的正极接保护器里的按键的一端，光耦输出端的负极接地。在不改变原装置按键操作的前提下增加了遥控器，对按键操作进行红外遥控，这样就解决了不打开高爆开关门进行整定以及不能带电整定的问题，大大减少了操作难度。接收部分有较大的备用空间，可根据厂家的保护器的按键数进行相应的修改，使用范围广。可用于高压防爆综合保护器。

摘要：本实用新型公开了一种用于煤矿主通风机风道中的风门到位检测控制装置，该控制装置包括钢丝绳和牵引电机，钢丝绳顺序经过第一个定滑轮、连接有开门力传感器的滑轮、第二个定滑轮、牵引电机、第三个定滑轮，连接有关门力传感器的滑轮、第四个定滑轮、第五个定滑轮，钢丝绳的两端与风门相连，开门力传感器和关门力传感器与控制器电路电连接。采用间接测量风门牵引钢丝绳的拉力来判定风门的开闭到位，很好地解决了位置式到位传感器安装调整困难，安装环境要求高的缺陷，定位准确且紧闭程度可控，兼可实现牵引电动机及传动机构的过载保护。很好地解决了矿井通风机风门密闭不严造成的漏风现象，提高了通风系统的效率，达到了节能的目的。

摘要：本实用新型公开了一种多通讯接口继电保护装置用LCD显示器，该装置包括单片机和液晶显示器，单片机设有三个输入输出端、两个通信端和一个通信中断端，第一个输入输出端接有液晶显示器，第二个输入输出端接有发光二极管显示器，第三个输入输出端接有按钮组，第一个通信端通过通信芯片接有上位机，第二个通信端通过通信模块接有继电保护装置，通信中断端接有红外遥控接收器。不仅具有数据显示和红外遥控功能，而且不易受电磁干扰产生误动作，具有较大的扩展空间，允许读取第三方IED的信息，工作稳定，运行安全。适用于煤矿井下的继电保护装置。

摘要：一种新型功率模块，适用于电力电子领域中针对高压电路中使用。由它包括金属框体，金属框体中设置有将直流电逆变为交流电的H桥逆变电路、功率大板、电源板、光纤接收板和散热片，光纤接收板和电源板的输出端分别与功率大板的输入端相连接，功率大板的输出端与H桥逆变电路的输入端相连接，H桥逆变电路的输出端通过滤波器与电网相连输出交流信号，并联电容器组均固定在叠层母排上，电源板和叠层母排设置在金属框体内的下方，功率大板设置在金属框体内的上方，功率大板的顶部安装有散热片，一侧连接多个电力电子器件，另一侧连接光纤接收板。其结构紧凑，占用体积小，各部分均通过方便插拔的电路插口连接，便于拆卸或更换损坏部件。

摘要：本实用新型提供了一种基于多功率单元紧凑型静止无功发生器功率柜，属于电力电子技术领域，所述功率柜由三个结构一致的柜子左中右并柜构成机柜框架，功率单元采用上下层叠的布置，每一列为一相，各功率单元串联连接；功率柜由绝缘板隔离相与相、相与地；通过柜顶的风机强制风冷散热。本实用新型结构紧凑、成本低、占地面积小、功率密度高、安装及维护方便。

摘要：一种变电所绝缘子电缆测温系统，适用于变电所中测量温度使用。包括控制主机、PC电脑和测温光纤，控制主机与PC电脑相连接；所述控制主机包括激光发射器、光接收器、光交换机、平均化处理器和CPU存储器，其中激光发射器通过发射光线连接光接收器，光接收器通过线路顺序连接平均化处理器和CPU存储器，光接收器通过光线连接光交换机，光交换机与测温光纤相连接。其结构简单，使用方便，可靠性高，安全有效。

摘要：一种防爆SVG电容电压迅速放电及闭锁装置，适用于在低压防爆无功补偿装置上使用，包括两组旋钮放电器，两组旋钮放电器之间设有关机开关器，两组旋钮放电器分别为旋钮放电器Ⅰ和旋钮放电器Ⅱ，放电旋钮Ⅰ上设有与关机开关器相互咬合的闭锁结构，放电旋钮Ⅰ通过转轴开关连接有放电断路器Ⅰ，所述旋钮放电器Ⅱ包括放电旋钮Ⅱ，放电旋钮Ⅱ上设有与关机开关器相互咬合的闭锁结构，放电旋钮Ⅱ通过转轴开关连接有放电断路器Ⅱ，所述放电断路器Ⅰ和放电断路器Ⅱ分别与铝壳电阻串联。放电时间快，只有在关机断电后才能放电，安全系数高，可以同时控制防爆壳体左右两个功率柜门快开门。

摘要：【中文】本实用新型属于煤矿空压机余热回收利用技术领域，具体涉及一种空压机余热回收利用系统，包括空压机、空压机冷却器、换热装置、热能回收控制泵组、蓄热水池、变频恒压供水机组、冷凝塔、循环冷却水泵、补水装置；其中空压机、空压机冷却器、换热装置和热能回收控制泵组以一定的方式连接构成余热回收系统；换热装置、蓄热水池和变频恒压供水机组以一定的方式连接构成余热利用系统。本申请的空压机余热回收利用系统回收的热量可供洗浴、采暖等生活使用，提高电能利用效率，减少能量损失；余热回收系统检修或故障时，可旁路余热回收系统，由冷凝塔为循环冷却水降温，保证空压机机体安全、可靠运行。 【EN】The utility model belongs to the technical field of coal mine air compressor waste heat recovery, in particular to an air compressor waste heat recovery system, which comprises an air compressor, an air compressor cooler, a heat exchange device, a heat energy recovery control pump set, a heat storage water pool, a variable-frequency constant-pressure water supply unit, a condensing tower, a circulating cooling water pump and a water replenishing device; the air compressor, the air compressor cooler, the heat exchange device and the heat energy recovery control pump set are connected in a certain mode to form a waste heat recovery system; the heat exchange device, the heat storage water tank and the variable-frequency constant-pressure water supply unit are connected in a certain mode to form a waste heat utilization system. The heat recovered by the air compressor waste heat recovery and utilization system can be used for life such as bathing and heating, the electric energy utilization efficiency is improved, and the energy loss is reduced; when the waste heat recovery system is overhauled or broken down, the waste heat recovery system can be bypassed, the condensing tower is used for cooling circulating cooling water, and the safe and reliable operation of the air compressor body is ensured.

摘要：【中文】本实用新型公开了一种应用于煤矿变电所栅栏门的门禁系统，包括摄像仪、语音报警器、电磁锁、PLC控制器和上位机；其中，摄像仪、语音报警器设置在变电所栅栏门外部，电磁锁设置在变电所栅栏门中；PLC控制器和上位机设置在集控室内；摄像仪通过语言放大板接线盒与语音报警器相连，语音报警器又通过接线盒与PLC控制器相连，上位机与PLC控制器相连，摄像仪将拍摄的画面传输给PLC控制器，集控人员通过上位机的视频端口查看现场画面，且通过语音报警器实现井下人员与集控人员对讲；电磁锁通过接线盒与PLC控制器相连，通过上位机发出开门信号，PLC控制器控制电磁锁断电。本实用新型实现变电所栅栏门外远程呼叫，视频识人、语音对讲，远程开锁功能。 【EN】The utility model discloses an access control system applied to a fence door of a coal mine substation, which comprises a camera, a voice alarm, an electromagnetic lock, a PLC controller and an upper computer; the camera and the voice alarm are arranged outside the substation fence door, and the electromagnetic lock is arranged in the substation fence door; the PLC controller and the upper computer are arranged in the centralized control room; the camera is connected with the voice alarm through a terminal box of the language amplification board, the voice alarm is connected with the PLC through the terminal box, the upper computer is connected with the PLC, the camera transmits a shot picture to the PLC, a centralized control worker checks a field picture through a video port of the upper computer, and talkback between underground personnel and the centralized control worker is realized through the voice alarm; the electromagnetic lock is connected with the PLC through the junction box, a door opening signal is sent out through the upper computer, and the PLC controls the electromagnetic lock to be powered off. The utility model discloses realize that the long-range calling outside the electric substation fence door, people, pronunciation intercom are known to the video, long-range function of unblanking.

摘要：【中文】本实用新型属于空压机余热回收技术领域，具体涉及一种空压机余热回收在线监测系统，包括PLC，用于监测压缩空气出口压力和管道压力的压力传感器、用于监测热回收循环冷却水进出口温度的温度传感器、用于监测进出口压缩气体流量和热回收循环冷却水流量的流量传感器以及用于监测系统余热回收的能量数据的能量表均与PLC连接；用于控制离心式空压机的空压机控制柜以及高压配电柜均与PLC连接；PLC与现场控制人机界面信号连接，PLC还通过监控系统数据交换设备与远程监控主机连接。本申请能够综合监测系统各部分设备运行参数，计算系统余热回收热量并为后续故障或维修提供数据支持；能够实时监控系统重要运行参数，保障设备安全运行。 【EN】The utility model belongs to the technical field of air compressor waste heat recovery, in particular to an air compressor waste heat recovery on-line monitoring system, which comprises a PLC, wherein a pressure sensor for monitoring outlet pressure and pipeline pressure of compressed air, a temperature sensor for monitoring inlet and outlet temperature of heat recovery circulating cooling water, a flow sensor for monitoring inlet and outlet compressed gas flow and heat recovery circulating cooling water flow and an energy meter for monitoring energy data of system waste heat recovery are all connected with the PLC; an air compressor control cabinet and a high-voltage power distribution cabinet for controlling the centrifugal air compressor are connected with the PLC; the PLC is in signal connection with the field control human-computer interface and is also connected with the remote monitoring host through the monitoring system data exchange equipment. The method and the device can comprehensively monitor the operation parameters of all parts of the system, calculate the waste heat recovery heat of the system and provide data support for subsequent faults or maintenance; the important operation parameters of the system can be monitored in real time, and the safe operation of the equipment is guaranteed.