摘要：【中文】本发明公开了一种快换钢壳拉伸组合式模具，包括底板，所述底板的顶部中心处焊接固定有下模座，所述下模座的顶部设置有垫块，所述垫块的顶部设置有成型座，所述成型座的顶部中心处开设有料槽，所述料槽的底部对应两侧开设有剪切槽，所述料槽的底部中心处开设有贯通下模座、垫块和成型座的拉伸槽，所述底板的顶部对应两侧通过螺栓固定有第一伸缩气缸，所述第一伸缩气缸的顶部通过螺栓固定有顶板，所述顶板的底部正下方设置有上模座。本发明结构新颖，构思巧妙，可以实现在一个模具上同时进行拉伸、冲孔和剪切，不用更换模具就能逐工序加工，能有效的提升产品的生产效率，节约生产时间。 【EN】The invention discloses a quick-change steel shell stretching combined die which comprises a bottom plate, wherein a lower die base is fixedly welded at the center of the top of the bottom plate, a cushion block is arranged at the top of the lower die base, a forming base is arranged at the top of the cushion block, a trough is arranged at the center of the top of the forming base, shearing grooves are formed in the bottom of the trough corresponding to two sides, a stretching groove penetrating through the lower die base, the cushion block and the forming base is formed in the center of the bottom of the trough, first telescopic cylinders are fixed on the two corresponding sides of the top of the bottom plate through bolts, a top plate is fixed on the top of the first telescopic cylinders through bolts, and an upper die base is arranged right below the bottom of the top. The invention has novel structure and ingenious conception, can realize simultaneous stretching, punching and shearing on one die, can process the die by the process without replacing the die, can effectively improve the production efficiency of products and saves the production time.

摘要：【中文】本公开涉及一种针对半入耳式耳机的降噪方法、系统和半入耳式耳机，降噪方法包括：响应于半入耳式耳机的扬声器未播放音频信号，计算第一滤波器组的第一系数；响应于扬声器播放音频信号，计算第二滤波器组的第二系数；基于第一基准系数和第二基准系数来确定第一滤波器组的第三基准系数，以使第一滤波器组利用第三基准系数进行滤波，其中，第一基准系数为预先设置的第一滤波器组的系数，第二基准系数为预先设置的第二滤波器组的系数；基于第一系数、第二系数、第一基准系数和第二基准系数来确定第二滤波器组的校准系数，以使第二滤波器组利用校准系数进行滤波。本公开提高了半入耳式耳机的降噪效果，同时抵消了因路径量测而引入的量测误差。 【EN】The present disclosure relates to a noise reduction method and system for a semi-in-ear headphone, and a semi-in-ear headphone, wherein the noise reduction method comprises: in response to the speaker of the semi-in-ear headphone not playing the audio signal, calculating a first coefficient of a first filter bank; calculating a second coefficient of the second filter bank in response to the audio signal being played by the loudspeaker; determining a third reference coefficient of the first filter bank based on the first reference coefficient and the second reference coefficient so that the first filter bank performs filtering by using the third reference coefficient, wherein the first reference coefficient is a preset coefficient of the first filter bank, and the second reference coefficient is a preset coefficient of the second filter bank; calibration coefficients for the second filter bank are determined based on the first coefficients, the second coefficients, the first reference coefficients and the second reference coefficients, such that the second filter bank performs filtering using the calibration coefficients. The present disclosure improves the noise reduction effect of the half-in-ear headphone, while offsetting the measurement error introduced by the path measurement.

摘要：【中文】本公开涉及一种对耳机内均衡滤波器进行配置的方法、装置、系统及耳机。该方法包括：获取扬声器到所述耳机的耳内麦克风的传输路径的预设传递函数或其相关参数和对应的均衡滤波器的预设滤波系数；基于所获取的传输路径的预设传递函数或其相关参数和所述均衡滤波器的预设滤波系数，以及在所述耳机放入耳道使用的情况下所述传输路径的当前传递函数或其相关参数，来确定所述均衡滤波器的当前滤波系数；以所述当前滤波系数来配置均衡滤波器。如此，能够针对用户的不同使用场景，及时且针对性调整均衡滤波器的滤波系数，使得均衡滤波器能够在各种使用场景下良好地均衡声场，用户能够有高质量的听音体验。 【EN】The disclosure relates to a method, a device and a system for configuring an equalization filter in a headset and the headset. The method comprises the following steps: acquiring a preset transfer function or related parameters of a transmission path from a loudspeaker to an in-ear microphone of the earphone and a preset filter coefficient of a corresponding equalization filter; determining a current filter coefficient of the equalization filter based on the acquired preset transfer function or related parameters of the transmission path and a preset filter coefficient of the equalization filter, and a current transfer function or related parameters of the transmission path in a case where the earphone is used in the ear canal; configuring an equalization filter with the current filter coefficient. Therefore, the filter coefficients of the equalization filter can be adjusted in time and pertinently according to different use scenes of a user, so that the equalization filter can well equalize a sound field under various use scenes, and the user can have high-quality listening experience.

摘要：【中文】本发明公开了一种自动感应型收卷机，包括底板，所述底板的顶部一侧安装有底座，所述底座的顶部一侧安装有减速器，所述减速器的输出端上安装有收卷组件，所述底座的顶部另一侧安装有步进电机，所述步进电机通过传动带与减速器的输入端连接，所述底板的顶部另一侧安装有张紧组件，所述底板的底部一侧安装有控制板，所述控制板的内部安装有PLC控制器，所述张紧组件包括支撑架、滑槽、滑块、电动推杆、支撑杆、轴承座、轴承、张紧辊和薄膜压力传感器。本发明结构新颖，构思巧妙，实现对布料的自动张紧，不仅可以有效的保证布料缠绕的松紧度，而且可以防止布料张紧度不够，造成布料在收卷过程中折叠，影响布料收卷的质量。 【EN】The invention discloses an automatic induction type winding machine which comprises a bottom plate, wherein a base is installed on one side of the top of the bottom plate, a speed reducer is installed on one side of the top of the base, a winding component is installed on the output end of the speed reducer, a stepping motor is installed on the other side of the top of the base and is connected with the input end of the speed reducer through a transmission belt, a tensioning component is installed on the other side of the top of the bottom plate, a control plate is installed on one side of the bottom plate, a PLC (programmable logic controller) is installed in the control plate, and the tensioning component comprises a support frame, a sliding chute, a sliding block, an electric push rod, a support rod. The automatic cloth tensioning device is novel in structure and ingenious in conception, automatic tensioning of cloth is achieved, the tightness of cloth winding can be effectively guaranteed, and the problem that the cloth is folded in the winding process to affect the winding quality of the cloth due to the fact that the tightness of the cloth is not enough can be prevented.

摘要：【中文】本公开提供了一种数据处理方法，应用于开放平台。所述数据处理方法包括：设置多个主机系统与所述开放平台的通信接口，其中所述多个主机系统属于多个站点，其中，每个站点内的主机系统构成封闭式系统，并且不同站点的主机系统之间相互隔离；以及基于所述开放平台经由所述通信接口与所述多个主机系统的交互，控制所述多个主机系统的运行。本公开还提供了一种数据处理装置、系统及介质。 【EN】The disclosure provides a data processing method applied to an open platform. The data processing method comprises the following steps: setting a communication interface between a plurality of host systems and the open platform, wherein the host systems belong to a plurality of sites, the host systems in each site form a closed system, and the host systems of different sites are isolated from each other; and controlling operation of the plurality of host systems based on interaction of the open platform with the plurality of host systems via the communication interface. The present disclosure also provides a data processing apparatus, system and medium.

摘要：【中文】本公开涉及一种主动降噪方法、系统以及耳机，其中主动降噪方法包括：响应于耳机的扬声器播放音频信号，通过耳机的回声滤波器确定从扬声器到耳机的耳内麦克风的传输路径的当前传递函数；基于N组预设滤波系数、与每个预设滤波系数对应的预设传递函数以及当前传递函数，确定耳机的前馈滤波器的当前滤波系数；以当前滤波系数来配置前馈滤波器，以进行前馈主动降噪。通过主动对前馈滤波器当前滤波系数的适应性调整，能够降低不同佩戴方式以及不同耳道结构对降噪系统的影响，提高耳机的降噪效果，同时提升用户的听音体验。 【EN】The present disclosure relates to an active noise reduction method, system and earphone, wherein the active noise reduction method comprises: determining, by an echo filter of the headset, a current transfer function of a transmission path from the speaker to an in-ear microphone of the headset in response to the speaker of the headset playing an audio signal; determining the current filter coefficient of a feedforward filter of the earphone based on the N groups of preset filter coefficients, the preset transfer function corresponding to each preset filter coefficient and the current transfer function; the feedforward filter is configured with the current filter coefficients for feedforward active noise reduction. Through the active adaptability adjustment of the current filter coefficient of the feedforward filter, the influence of different wearing modes and different ear canal structures on the noise reduction system can be reduced, the noise reduction effect of the earphone is improved, and the listening experience of a user is improved.

摘要：【中文】本公开涉及一种主动降噪方法、系统以及耳机，其中主动降噪方法包括：响应于耳机的扬声器播放音频信号，通过耳机的回声滤波器确定从扬声器到耳机的耳内麦克风的传输路径的当前传递函数；基于耳机的前馈滤波器的预设滤波系数、所述扬声器到所述耳机的耳内麦克风的传输路径的预设传递函数以及当前传递函数，确定前馈滤波器的当前滤波系数；以及以当前滤波系数来配置前馈滤波器，以进行前馈主动降噪。通过主动对前馈滤波器当前滤波系数的适应性调整，能够降低不同佩戴方式以及不同耳道结构对降噪系统的影响，提高耳机的降噪效果，同时提升用户的听音体验。 【EN】The present disclosure relates to an active noise reduction method, system and earphone, wherein the active noise reduction method comprises: determining, by an echo filter of the headset, a current transfer function of a transmission path from the speaker to an in-ear microphone of the headset in response to the speaker of the headset playing an audio signal; determining a current filter coefficient of a feedforward filter of an earphone based on a preset filter coefficient of the feedforward filter, a preset transfer function of a transmission path from a loudspeaker to an in-ear microphone of the earphone, and a current transfer function; and configuring the feedforward filter with the current filter coefficient to perform feedforward active noise reduction. Through the active adaptability adjustment of the current filter coefficient of the feedforward filter, the influence of different wearing modes and different ear canal structures on the noise reduction system can be reduced, the noise reduction effect of the earphone is improved, and the listening experience of a user is improved.

摘要：【中文】本公开涉及一种对耳机进行透传的方法、系统以及耳机。方法包括：确定同个状态下透传滤波器的预设系数和从扬声器到耳内麦克风的传输路径的预设传递函数；在扬声器播放音频信号时，确定从扬声器到耳内麦克风的传输路径的当前传递函数；基于预设系数、预设传递函数及当前传递函数，根据公式F2(z)＝F1(z)·H1(z)·(1/H2(z))确定透传滤波器的当前系统函数，F2(z)为透传滤波器配置当前系数时对应的系统函数，F1(z)为透传滤波器配置预设系数时对应的系统函数，H1(z)为从扬声器到耳内麦克风的传输路径的预设传递函数，H2(z)为从扬声器到耳内麦克风的传输路径的当前传递函数，·表示所连接的系统函数和/或传递函数对应的滤波器的级联；以及以所述当前系统函数来配置透传滤波器，以进行透传。 【EN】The disclosure relates to a method and a system for transparent transmission of earphones and the earphones. The method comprises the following steps: determining a preset coefficient of a transmission filter and a preset transfer function of a transmission path from a loudspeaker to an in-ear microphone in the same state; determining a current transfer function of a transmission path from the speaker to the in-ear microphone while the speaker is playing the audio signal; determining a current system function of the pass-through filter according to a formula F2(z) ═ F1(z) · H1(z) · (1/H2(z)) based on a preset coefficient, a preset transfer function and a current transfer function, wherein F2(z) is a system function corresponding to the pass-through filter when the current coefficient is configured, F1(z) is a system function corresponding to the pass-through filter when the preset coefficient is configured, H1(z) is a preset transfer function of a transmission path from the speaker to the in-ear microphone, and H2(z) is a current transfer function of a transmission path from the speaker to the in-ear microphone, and represents a cascade of the connected system function and/or a filter corresponding to the transfer function; and configuring a pass-through filter with the current system function for pass-through.

摘要：【中文】本发明公开了一种水泥磨滑履瓦，包括滑履瓦本体，所述滑履瓦本体的摩擦端面上沿其长度方向均匀开设有多个油槽，所述油槽沿滑履瓦本体宽度方向设置，所述滑履瓦本体内具有用于向油槽注入润滑油的进油管道和用于将油槽内的润滑油排出的出油管道，所述油槽内转动设置有抹油辊，所述抹油辊顶端与滑履瓦本体摩擦端面相持平。本发明具有有效防止擦伤托瓦面或使滑履瓦面局部烧损，延长了滑履瓦的使用寿命的优点。 【EN】The invention discloses a cement grinding slipper tile which comprises a slipper tile body, wherein a plurality of oil grooves are uniformly formed in the friction end face of the slipper tile body along the length direction of the slipper tile body, the oil grooves are formed in the width direction of the slipper tile body, an oil inlet pipeline for injecting lubricating oil into the oil grooves and an oil outlet pipeline for discharging the lubricating oil in the oil grooves are formed in the slipper tile body, an oil wiping roller is rotatably arranged in the oil grooves, and the top end of the oil wiping roller is flush with the friction end face of the slipper tile body. The invention has the advantages of effectively preventing the shoe supporting surface from being scratched or causing the partial burning loss of the shoe surface of the sliding shoe and prolonging the service life of the sliding shoe.

摘要：【中文】本公开涉及一种确定耳机降噪参数的方法、装置以及计算机可读介质，耳机包括扬声器、耳内麦克风和滤波器组件。该方法包括：由扬声器播放频率在人耳听觉范围外的低频音频信号；确定从扬声器到耳内麦克风的传输路径的当前传递函数或耳内麦克风采集到的当前音频信号的参数；基于当前传递函数或当前音频信号的参数，参考预设传递函数或预设音频信号的参数与预设降噪参数的N组对应关系，确定当前降噪参数，降噪参数包括滤波器组件中所启用的滤波器的滤波系数；以及以当前降噪参数来配置滤波器组件以进行降噪。通过多次播放人耳听觉范围之外的低频音频信号，能实现对耳机降噪参数的动态调整，确保不同使用场景下的降噪效果，同时提升用户的听音体验。 【EN】The present disclosure relates to a method, apparatus, and computer readable medium for determining noise reduction parameters for a headset including a speaker, an in-ear microphone, and a filter assembly. The method comprises the following steps: playing a low-frequency audio signal with the frequency outside the hearing range of human ears by a loudspeaker; determining a current transfer function of a transmission path from the loudspeaker to the in-ear microphone or a parameter of a current audio signal acquired by the in-ear microphone; determining a current noise reduction parameter by referring to the N-group corresponding relation between the parameter of the preset transfer function or the preset audio signal and the preset noise reduction parameter based on the parameter of the current transfer function or the current audio signal, wherein the noise reduction parameter comprises a filter coefficient of a filter started in a filter component; and configuring the filter component with the current noise reduction parameters for noise reduction. Through playing the low-frequency audio signal outside the auditory range of the human ear for many times, the dynamic adjustment of the noise reduction parameters of the earphone can be realized, the noise reduction effect under different use scenes is ensured, and the listening experience of a user is improved.