摘要：【中文】本发明公开了一种基于FPGA的功能模块，包括：顶层模块、DMUX选择模块、MUX32选择模块、从机Slave模块、逻辑模块、TestBench模块、下游从机模块和三态门模块。所有模块都在顶层模块中实现了连接，并且在顶层模块中也运用了很重要的时序逻辑，在I2C协议的实现中，其中的难点在于SCL/SDA数据和时序线上的双向传输，基于设计的时序逻辑使三态门逻辑可以实现数据的双向传输。本发明的优点是：充分利用FPGA的可定制、可重构、并行性，不仅仅用FPGA实现了PCA9547芯片基本功能的替代，同时还拓展了PCA9547的功能，使I2C总线资源被拓展，拓展更多路的通道，却更加节约电路设计的成本，节约电路设计时的面积与复杂度，提供了更加灵活使用I2C资源的方式。 【EN】The invention discloses a function module based on FPGA, comprising: the device comprises a top module, a DMUX selection module, a MUX32 selection module, a Slave module, a logic module, a Testbench module, a downstream Slave module and a tri-state gate module. All modules realize connection in the top module, and important sequential logic is also applied in the top module, in the implementation of the I2C protocol, the difficulty is that the SCL/SDA data and bidirectional transmission on the sequential line are difficult, and the sequential logic based on design enables the tri-state gate logic to realize bidirectional transmission of data. The invention has the advantages that: the customizable, reconfigurable and parallel performance of the FPGA is fully utilized, the FPGA is used for realizing the replacement of the basic functions of the PCA9547 chip, and the functions of the PCA9547 are expanded, so that the I2C bus resources are expanded, more multi-channel channels are expanded, the cost of circuit design is saved, the area and the complexity during circuit design are saved, and a mode of using the I2C resources more flexibly is provided.

摘要：【中文】本发明涉及一种抽油机安全运行的控制装置及抽油机，控制装置包括控制柜本体，其内部限定出一个容纳空间，并具有一个相对其可开合的柜门；控制柜本体内壁上固定有保温隔热层；容纳空间内布置有用于降温或升温的恒温机构；容纳空间内布置有用于防潮干燥的干燥结构；恒温机构，干燥机构、温湿度传感器均与控制器电性连接。根据温湿度传感器检测的温度和湿度信号，控制器控制恒温机构和/或干燥机构工作，保证控制柜中的电器元件处于干燥、合适的温度范围内工作，保证了控制柜的正常工作，进而为抽油机正常工作提供了有效保证。保温隔热层能够隔离外部冷或热，减少控制柜内部与室外的空气交换，使控制柜内的温度和湿度保持在理想状态。 【EN】The invention relates to a control device for safe operation of an oil pumping unit and the oil pumping unit, wherein the control device comprises a control cabinet body, a first control device and a second control device, wherein an accommodating space is defined in the control cabinet body and is provided with a cabinet door which can be opened and closed relative to the control cabinet body; a heat insulation layer is fixed on the inner wall of the control cabinet body; a constant temperature mechanism for cooling or heating is arranged in the accommodating space; a drying structure for damp-proof drying is arranged in the accommodating space; the constant temperature mechanism, the drying mechanism and the temperature and humidity sensor are electrically connected with the controller. According to the temperature and humidity signals detected by the temperature and humidity sensor, the controller controls the constant temperature mechanism and/or the drying mechanism to work, so that the electrical components in the control cabinet are ensured to work within a dry and proper temperature range, the normal work of the control cabinet is ensured, and further, the effective guarantee is provided for the normal work of the oil pumping unit. The heat insulation layer can isolate cold or heat outside, reduce the air exchange between the inside of the control cabinet and the outside of the control cabinet and keep the temperature and the humidity in the control cabinet in an ideal state.