Motor detection device and equipment
By designing a motor detection device including a detection module, a power supply module, a control module and a switching module, the problem of failure interruption of the detection device in the prior art cannot be monitored, and interval sampling and low-power operation of the motor operating state are realized, which extends the service life and improves stability.
Patent Information
- Application Number
- CN202420560865.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-21
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-03-21
AI Technical Summary
The existing water pump motor detection device cannot achieve effective monitoring when the fault is interrupted, resulting in the inability to detect the operating status of the motor in real time, affecting the service life and stability of the motor.
A motor detection device is designed, including a detection module, a power supply module, a control module and a switching module. Through the power supply signal sent by the control module, the switch module conducts or disconnects the supply path, the power supply control of the detection module is realized, and the motor operation data is sampled at intervals, saving power and reducing power consumption.
By sampling the interval of the motor operating state, the low-power operation of the motor detection device is achieved, the service life is extended, and the stability and reliability of the device are improved.
Smart Images
Figure CN222689885U_ABST
Abstract
Description
Technical Field
[0001] The embodiments of the present application relate to the field of detection technology, and in particular to a motor detection device and equipment. Background Art
[0002] A water pump is a machine that transports liquid or pressurizes liquid. It is used to transfer the mechanical energy of the water pump motor to the liquid to increase the energy of the liquid. Among them, the water pump motor is crucial to the performance of the water pump.
[0003] In order to monitor the operating status of the water pump motor, a sensor can be set on the water pump motor to collect the operating data of the water pump motor, so as to detect whether the water pump motor has an operating failure based on the operating data. Usually, the detection device for the water pump motor is set inside the pump room. If the detection device is interrupted due to a fault, the water pump motor cannot be effectively monitored. Therefore, it is urgent to provide a detection device with higher stability. Utility Model Content
[0004] The embodiments of the present application provide a motor detection device and equipment, which are at least helpful in reducing the power consumption of the motor detection device.
[0005] On the one hand, an embodiment of the present application provides a motor detection device, including: a detection module, the detection module is at least used to detect the operating state of the motor and form performance parameters characterizing the operating state of the motor, the detection module has a power supply end; a power supply module, the power supply module is connected to the detection module; a control module and a switch module, the switch module is connected between the output end of the power supply module and the power supply end of the detection module, the switch module has an enable end, and the enable end is connected to the control module; wherein, during a period when the enable end of the switch module receives a power supply signal sent by the control module, the switch module is turned on to connect the output end of the power supply module with the power supply end of the detection module; during a period when the enable end of the switch module does not receive the power supply signal sent by the control module, the switch module is turned off to disconnect the path between the output end of the power supply module and the power supply end of the detection module.
[0006] In some embodiments, the control module is also connected to the detection module, and the control module receives performance parameters; the motor detection device also includes: a communication module connected to the control module, and the communication module is used to realize wireless communication between the control module and external devices.
[0007] In some embodiments, the control module also includes an interrupt enable end, which is connected to the detection module. During the period when the interrupt enable end receives an interrupt signal sent by the detection module, the control module receives performance parameters. During the period when the interrupt enable end does not receive an interrupt signal sent by the control module, the control module stops receiving performance parameters.
[0008] In some embodiments, the output end of the power supply module is also connected to the power supply end of the control module. The power supply module includes: a chemical power source and a power management unit. The input end of the power management unit is connected to the output end of the chemical power source. The output end of the power management unit serves as the output end of the power supply module. The power management unit converts the output voltage of the chemical power source into the working voltage of the control module, and converts the output voltage of the chemical power source into the working voltage of the detection module.
[0009] In some embodiments, the power management unit includes a boost chopper circuit.
[0010] In some embodiments, the performance parameters include: temperature data and vibration data, and the detection module includes: a temperature detection unit, which detects the temperature of the motor to form temperature data; and a vibration detection chip, which detects the vibration of the motor to form vibration data.
[0011] In some embodiments, the temperature detection unit includes a temperature sensor, and the temperature sensor includes: a PT100 temperature sensor, a PT1000 temperature sensor, an NTC temperature sensor, or a PTC temperature sensor.
[0012] In some embodiments, the temperature detection unit includes: a temperature sensor and a constant current source, wherein the first end of the temperature sensor is connected to the output end of the constant current source, and the second end of the temperature sensor is grounded; a differential amplifier circuit, wherein the first input end of the differential amplifier circuit is connected to the first end of the temperature sensor, and the second input end of the differential amplifier circuit is connected to the second end of the temperature sensor; a differential bias amplifier circuit, wherein the first input end of the differential bias amplifier circuit is connected to the output end of the differential amplifier circuit, the second input end of the differential bias amplifier circuit is connected to a reference voltage, and the output end of the differential bias amplifier circuit is connected to a control module.
[0013] In some embodiments, the control module includes an MCU, and the motor detection device also includes a reset module connected to the MCU. The MCU includes an autonomous sleep mode and an operating mode. The MCU receives a reset signal sent by the reset module to convert from the autonomous sleep mode to the operating mode.
[0014] Another aspect of the embodiments of the present application further provides a device, including the motor detection device described in any one of the above embodiments.
[0015] The technical solution provided by the embodiment of the present application has at least the following advantages: the motor detection device is used to detect the operating status of the motor. Specifically, the motor detection device includes: a detection module, a power supply module, a control module and a switch module, wherein the switch module responds to the power supply signal issued by the control module. If the switch module receives the power supply signal, the switch module turns on the power supply path from the power supply module to the detection module. If the switch module does not receive the power supply signal, the switch module disconnects the power supply path from the power supply module to the detection module. When the power supply module supplies power to the detection module, the detection module detects the operating status of the motor. In this way, by controlling the power supply of the detection module, the operating status of the motor is detected in a required time period or time point, and interval sampling of the motor operation data is achieved, which is beneficial to saving electricity, reducing the power consumption of the motor detection device, and thus extending the service life of the motor detection device, reducing the maintenance frequency of the motor detection device, and improving the stability of the motor detection device. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] One or more embodiments are exemplarily described by pictures in the corresponding drawings, and these exemplified descriptions do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings represent similar elements, and unless otherwise stated, the figures in the drawings do not constitute proportional limitations.
[0017] Figure 1 A schematic diagram of the structure of a motor detection device provided in an embodiment of the present application;
[0018] Figure 2 A schematic diagram of the structure of another motor detection device provided in an embodiment of the present application;
[0019] Figure 3 A schematic diagram of the structure of a communication module of a motor detection device provided in an embodiment of the present application;
[0020] Figure 4 A schematic diagram of the structure of another motor detection device provided in an embodiment of the present application;
[0021] Figure 5 A schematic diagram of the structure of another motor detection device provided in an embodiment of the present application;
[0022] Figure 6 A partial structural schematic diagram of a motor detection device provided in an embodiment of the present application;
[0023] Figure 7 A schematic diagram of the circuit structure of a temperature detection unit of a motor detection device provided in an embodiment of the present application;
[0024] Figure 8 A schematic diagram of the structure of a vibration detection chip of a motor detection device provided in an embodiment of the present application;
[0025] Fig. 9 A schematic diagram of the structure of a switch module of a motor detection device provided in an embodiment of the present application;
[0026] Fig.10 A schematic diagram of the structure of another motor detection device provided in an embodiment of the present application;
[0027] Fig.11 A schematic diagram of the circuit structure of a reset module of a motor detection device provided in an embodiment of the present application. DETAILED DESCRIPTION
[0028] As known from the background technology, if the detection device is interrupted due to a fault, it is impossible to effectively monitor the motor. Therefore, it is urgent to provide a detection device with higher stability.
[0029] To solve the above problems, the embodiments of the present application provide a motor detection device and equipment, wherein the motor detection device includes: a detection module, a power supply module, a control module and a switch module, wherein the switch module responds to the power supply signal issued by the control module, and if the switch module receives the power supply signal, the switch module turns on the power supply path from the power supply module to the detection module; if the switch module does not receive the power supply signal, the switch module disconnects the power supply path from the power supply module to the detection module; when the power supply module supplies power to the detection module, the detection module detects the operating status of the motor; in this way, by controlling the power supply of the detection module, interval sampling of the motor operation data is achieved, which is beneficial to saving electricity, reducing the power consumption of the motor detection device, thereby extending the service life of the motor detection device and improving the stability of the motor detection device.
[0030] The following will be described in detail with reference to the accompanying drawings. However, it will be appreciated by those skilled in the art that in the various embodiments of the present application, many technical details are provided in order to enable the reader to better understand the present application. However, even without these technical details and various changes and modifications based on the following embodiments, the technical solutions claimed in the present application can be implemented. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.
[0031] Figure 1 A schematic diagram of the structure of a motor detection device provided in an embodiment of the present application.
[0032] refer to Figure 1The motor detection device includes: a detection module 10, the detection module 10 is at least used to detect the running state of the motor and obtain performance parameters characterizing the running state of the motor, the detection module 10 has a power supply end; a power supply module 20, the power supply module 20 is connected to the detection module 10; a control module 30 and a switch module 40, the switch module 40 is connected between the output end of the power supply module 20 and the power supply end of the detection module 10, the switch module 40 has an enable end, and the enable end is connected to the control module 30; wherein, during the period when the enable end of the switch module 40 receives the power supply signal sent by the control module 30, the switch module 40 is turned on to connect the output end of the power supply module 20 with the power supply end of the detection module 10; during the period when the enable end of the switch module 40 does not receive the power supply signal sent by the control module 30, the switch module 40 is turned off to disconnect the path between the output end of the power supply module 20 and the power supply end of the detection module 10.
[0033] That is to say, the switch module 40 responds to the power supply signal issued by the control module 30. If the switch module 40 receives the power supply signal, the switch module 40 turns on the power supply path from the power supply module 20 to the detection module 10. If the switch module 40 does not receive the power supply signal, the switch module 40 disconnects the power supply path from the power supply module 20 to the detection module 10. When the power supply module 20 supplies power to the detection module 10, the detection module 10 detects the operating status of the motor. In this way, by controlling the power supply of the detection module 10, interval sampling of the operating status of the motor is achieved, which is beneficial to saving power of the motor detection device, reducing the power consumption of the motor detection device, extending the service life of the motor detection device, and further beneficial to improving the stability of the motor detection device.
[0034] The detection module 10 may include a sensor, and the operating status of the motor may include the temperature of the motor or the vibration of the motor. The detection module 10 is used to detect the operating status of the motor such as vibration or temperature, so as to monitor and judge the life and operating status of the motor according to the performance parameters formed by the detection module 10. When the motor operation is abnormal or fails, it is beneficial to timely repair and replace the motor.
[0035] The control module 30 is used to control the power supply state of the power supply module 20 to the detection module 10, thereby realizing the interval sampling of the motor operation data. In some embodiments, the control module 30 is also connected to the detection module 10 to receive the performance parameters formed by the detection module 10 and calculate and process the performance parameters.
[0036] In some embodiments, the control module 30 and the detection module 10 transmit performance parameters via IIC communication.
[0037] In some embodiments, the output end of the power supply module 20 is also connected to the power supply end of the control module 30 , that is, the power supply module 20 is also used to supply power to the control module 30 .
[0038] Figure 2 A schematic diagram of the structure of another motor detection device provided in an embodiment of the present application.
[0039] refer to Figure 2 In some embodiments, the motor detection device further includes: a communication module 50 connected to the control module 30, and the communication module 50 is used to realize wireless communication between the control module 30 and the external device 60. Specifically, the control module 30 receives the performance parameters formed by the detection module 10, and calculates and processes the performance parameters to form operation data recognizable by the communication module 50 and transmits the operation data to the communication module 50, and the communication module 50 transmits the operation data to the external device 60 by wireless transmission.
[0040] In some embodiments, the external device 60 can be a terminal device such as a mobile phone or a computer. In this way, the inspection personnel can read and monitor the operating status of the motor through the external device 60, and then realize the estimation of the motor life and the monitoring of the motor working condition, which is conducive to reducing the workload of the inspection personnel and facilitating on-site implementation and maintenance.
[0041] In some embodiments, a signal may also be sent to the communication module 50 of the motor detection device through the external device 60, thereby realizing remote control of the motor detection device.
[0042] Figure 3 A schematic diagram of the structure of a communication module of a motor detection device provided in an embodiment of the present application.
[0043] refer to Figure 3 In some embodiments, the communication module 50 may include a Bluetooth chip 51 and an antenna 52, that is, the motor detection device may communicate wirelessly with the external device 60 via Bluetooth. In some embodiments, the antenna 52 may be an external antenna. In other embodiments, the antenna 52 may also be a board-mounted antenna.
[0044] In some embodiments, the communication module 50 may also include a 5G chip, that is, the motor detection device may also achieve wireless communication with the external device 60 through a 5G network.
[0045] Figure 4 A schematic diagram of the structure of another motor detection device provided in an embodiment of the present application.
[0046] refer to Figure 4In some embodiments, the control module 30 further includes an interrupt enable terminal, which is connected to the detection module 10 and is used to receive an interrupt signal issued by the detection module 10. During the period when the interrupt enable terminal receives the interrupt signal issued by the detection module 10, the control module 30 receives the performance parameters. During the period when the interrupt enable terminal does not receive the interrupt signal issued by the control module 30, the control module 30 stops receiving the performance parameters. Specifically, when the enable terminal of the switch module 40 receives the power supply signal issued by the control module 30, the switch module 40 conducts the power supply path from the power supply module 20 to the detection module 10. The detection module 10 in the power supply state detects the running state of the motor, forms the performance parameters of the running state of the motor, and sends the performance parameters to the control module 30. After receiving the preset amount of performance parameters, the detection module 10 sends an interrupt signal to the control module 30, the communication between the control module 30 and the detection module 10 is interrupted, the control module 30 stops receiving the performance parameters, and the control module 30 calculates and processes the received performance parameters. In this way, it is beneficial to reduce the power consumption of the motor detection device.
[0047] Figure 5 A schematic diagram of the structure of another motor detection device provided in an embodiment of the present application.
[0048] refer to Figure 5 In some embodiments, the performance parameters may include: temperature data and vibration data, and the detection module 10 may include: a temperature detection unit 11 and a vibration detection chip 12, wherein the temperature detection unit 11 detects the temperature of the motor to form temperature data, and the vibration detection chip 12 detects the vibration of the motor to form vibration data. In this way, the detection module 10 can not only monitor the operating temperature of the motor, but also monitor the vibration state of the motor, which is conducive to improving the practicality of the motor detection device. In addition, the use of the vibration detection chip 12 to detect the vibration of the motor is conducive to improving the accuracy of the vibration data, and thus is conducive to improving the performance of the motor detection device.
[0049] In some embodiments, the detection module 10 may include multiple temperature detection units, and the multiple temperature detection units may detect the temperature at different positions of the motor. In one example, the detection module 10 may include two temperature detection units.
[0050] Figure 6 A partial structural schematic diagram of a motor detection device provided in an embodiment of the present application.
[0051] refer to Figure 6In some embodiments, the temperature detection unit 11 includes: a temperature sensor 120 and a constant current source 110, wherein the first end of the temperature sensor 120 is connected to the output end of the constant current source 110, and the second end of the temperature sensor 120 is grounded GND, and the constant current source 110 is used to provide a constant reference current source for the temperature sensor 120, and the temperature sensor 120 is used to convert the temperature into an output signal. The temperature detection unit 11 also includes: a differential amplifier circuit 130 and a differential bias amplifier circuit 140, wherein the first input end of the differential amplifier circuit 130 is connected to the first end of the temperature sensor 120, the second input end of the differential amplifier circuit 130 is connected to the second end of the temperature sensor 120, the input end of the differential bias amplifier circuit 140 is connected to the output end of the differential amplifier circuit 130, and the output end of the differential bias amplifier circuit 140 is connected to the control module 30. The differential amplifier circuit 130 is used to amplify the output signal of the temperature sensor 120 and transmit the amplified output signal to the differential bias amplifier circuit 140. The differential bias amplifier circuit 140 is used to convert the amplified output signal into a voltage signal recognizable by the control module 30 and transmit the voltage signal to the control module 30.
[0052] Figure 7 A schematic diagram of the circuit structure of a temperature detection unit of a motor detection device provided in an embodiment of the present application.
[0053] refer to Figure 1 and Figure 7 In some embodiments, the constant current source 110 includes a first operational amplifier 111, wherein the non-inverting input terminal of the first operational amplifier 111 is connected to the second end of the resistor R1, the first end of the resistor R1 is connected to the reference voltage VREF, the inverting input terminal of the first operational amplifier 111 is connected to the first end of the resistor R2, the second end of the resistor R2 is connected to the ground GND, the output terminal of the first operational amplifier 111 is connected to the first end of the resistor R4, the second end of the resistor R4 is the output terminal of the constant current source 110, the first end of the resistor R3 is connected to the first end of the resistor R2, the second end of the resistor R3 is connected to the first end of the resistor R4, the first end of the resistor R5 is connected to the non-inverting input terminal of the first operational amplifier 111, the second end of the resistor R5 is connected to the second end of the resistor R4, and the power supply terminal of the first operational amplifier 111 receives the voltage VCC1 output by the switch module 40.
[0054] In some embodiments, the resistance value of resistor R1 can be 99k~101k, for example, 100k; the resistance value of resistor R2 can be 99k~101k, for example, 100k; the resistance value of resistor R3 can be 99k~101k, for example, 100k; the resistance value of resistor R4 can be 119k~121k, for example, 120k; the resistance value of resistor R5 can be 99k~101k, for example, 100k.
[0055] In some embodiments, reference Figure 1 and Figure 7 The differential amplifier circuit 130 includes a second operational amplifier 131, a power supply end of the second operational amplifier 131 receives the voltage VCC1 output by the switch module 40, a non-inverting input end of the second operational amplifier 131 is connected to the second end of the resistor R6, a first end of the resistor R6 serves as the first input end of the differential amplifier circuit 130, a second end of the resistor R6 is connected to the first end of the resistor R9, a second end of the resistor R9 is connected to the ground GND, an inverting input end of the second operational amplifier 131 is connected to the second end of the resistor R7, a first end of the resistor R7 serves as the second input end of the differential amplifier circuit 130, an output end of the second operational amplifier 131 is connected to the first end of the resistor R10, a second end of the resistor R10 is the output end of the differential amplifier circuit 130, a first end of the resistor R8 is connected to the second end of the resistor R7, and a second end of the resistor R8 is connected to the first end of the resistor R10.
[0056] In some embodiments, the resistance value of resistor R6 can be 9.95k~10.05k, for example, 10k; the resistance value of resistor R7 can be 9.95k~10.05k, for example, 10k; the resistance value of resistor R8 can be 99k~101k, for example, 100k; the resistance value of resistor R9 can be 99k~101k, for example, 100k; the resistance value of resistor R10 can be 9.95k~10.05k, for example, 10k.
[0057] In some embodiments, reference Figure 1 and Figure 7 The differential bias amplifier circuit 140 includes a third operational amplifier 141, a power supply end of the third operational amplifier 141 receives the voltage VCC1 output by the switch module 40, a non-inverting input end of the third operational amplifier 141 serves as an input end of the differential bias amplifier circuit 140, an inverting input end of the third operational amplifier 141 is connected to the second end of the resistor R11, a first end of the resistor R11 is connected to the reference voltage VREF, a first end of the resistor R12 is connected to the second end of the resistor R11, a second end of the resistor R12 is connected to the output end of the third operational amplifier 141, an output end of the third operational amplifier 141 is connected to the first end of the resistor R13, a second end of the resistor R13 is the output end of the differential bias amplifier circuit 140, and is used to output the temperature data TEMP.
[0058] In some embodiments, the resistance of the resistor R11 may be 9.95k-10.05k, for example, 10k; the resistance of the resistor R12 may be 21.95k-22.05k, for example, 22k; the resistance of the resistor R13 may be 1.485k-1.515k, for example, 1.5k.
[0059] In some embodiments, the temperature sensor 120 may be a PT100 temperature sensor. In other embodiments, the temperature sensor 120 may also be a PT1000 temperature sensor, which has a higher sensitivity and is conducive to improving the performance of the motor detection device.
[0060] In some embodiments, the temperature sensor 120 may also be an NTC (Negative Temperature Coefficient Sensor) temperature sensor, which has high sensitivity and fast response speed, and is conducive to improving the performance of the motor detection device. In other embodiments, the temperature sensor 120 may also be a PTC (Positive Temperature Coefficient) temperature sensor.
[0061] Figure 8 A schematic diagram of the structure of a vibration detection chip of a motor detection device provided in an embodiment of the present application.
[0062] In some embodiments, reference Figure 5 and Figure 8 , a first end of the vibration detection chip 12 is connected to the ground GND, a second end of the vibration detection chip 12 and a seventh end of the vibration detection chip 12 are INT1 port and INT2 port for providing an interrupt signal to the control module 30, a third end of the vibration detection chip 12 is a power supply end, connected to the output end of the switch module 40, for receiving the voltage VCC1, a fourth end of the vibration detection chip 12 and a fifth end of the vibration detection chip 12 are both connected to the ground GND, a third end of the vibration detection chip 12 is connected to the first end of the capacitor C2, a second end of the capacitor C2 is connected to the ground GND, a sixth end of the vibration detection chip 12 is connected to the output end of the switch module 40, for receiving the voltage VCC1, a sixth end of the vibration detection chip 12 is connected to the first end of the capacitor C1, a second end of the capacitor C1 is connected to the ground GND, an eighth end of the vibration detection chip 12 is connected to the output end of the switch module 40, for receiving the voltage VCC1, a ninth end of the vibration detection chip 12 is an SCL port for transmitting performance parameters with the control module 30, and a tenth end of the vibration detection chip 12 is an SDA port for transmitting performance parameters with the control module 30.
[0063] In some embodiments, the control module 30 may include a microcontroller unit (MCU). The MCU has high integration and high reliability. During a long working time, the failure rate of the MCU is low, which is conducive to improving the reliability of the motor detection device.
[0064] Fig. 9 A schematic structural diagram of a switch module of a motor detection device provided in an embodiment of the present application.
[0065] refer to Figure 1 and Fig. 9 The switch module 40 is used to turn on or off the power supply path from the power supply module 20 to the detection module 10. In some embodiments, the first end of the switch module 40 is connected to the ground GND, and a resistor R14 is connected in series between the first end of the switch module 40 and the ground GND. The first end of the switch module 40 is also used as an enable end of the switch module 40 for receiving a power supply signal signal. The second end of the switch module 40 is connected to the power supply voltage VCC, the third end of the switch module 40 is connected to the ground GND, the fourth end of the switch module 40 is connected to the ground GND, and a resistor R15 is connected in series between the fourth end of the switch module 40 and the ground GND. The fifth end of the switch module 40 is the output end of the switch module 40 for providing a voltage VCC1 to the detection module 10, and the sixth end of the switch module 40 is connected to the power supply voltage VCC. When the first end of the switch module 40 receives the power supply signal signal, the fifth end of the switch module 40 outputs the voltage VCC1.
[0066] In some embodiments, reference Figure 5 The power supply module 20 includes a chemical power source 21 and a power management unit 22. The input end of the power management unit 22 is connected to the output end of the chemical power source 21. The output end of the power management unit 22 serves as the output end of the power supply module 20. The power management unit 22 converts the output voltage of the chemical power source 21 into the working voltage of the control module 30, and converts the output voltage of the chemical power source 21 into the working voltage of the detection module 10. In other words, the power supply mode of the motor detection device is an internal power supply mode. Compared with the external power supply mode, the internal power supply mode has lower risks. Moreover, since the waterproof requirements of the motor detection device for detecting the water pump motor are also high, the internal power supply mode is conducive to improving the waterproofness of the motor detection device, and thus is conducive to improving the life of the motor detection device.
[0067] In some embodiments, the chemical power source 21 may be formed by two AA batteries connected in series.
[0068] In some embodiments, the power management unit 22 also detects the remaining power of the chemical power source 21 to form a power signal, and the power management unit 22 is connected to the control module 30 to send the power signal to the control module 30, and the control module 30 judges the power signal. When the power signal is lower than a preset value, the control module 30 sends a low power reminder signal to the external device 60 through the communication module 50. In this way, the inspection personnel can learn about the use of the chemical power source 21 in time through the external device 60, and replace the battery in time when the power of the chemical power source 21 is insufficient, so as to avoid affecting the power supply of the motor detection device.
[0069] In some embodiments, the power management unit 22 includes a boost chopper circuit. The boost chopper circuit can convert the lower input voltage provided by the chemical power source 21 into a higher output voltage, and provide the higher output voltage to the detection module 10 and the control module 30, thereby effectively driving the detection module 10 and the control module 30.
[0070] Fig.10 A schematic diagram of the structure of another motor detection device provided in an embodiment of the present application.
[0071] refer to Fig.10 In some embodiments, the control module 30 includes an MCU, and the motor detection device also includes a reset module 70 connected to the MCU. The MCU includes an autonomous sleep mode and an operating mode. The MCU receives a reset signal sent by the reset module 70 to convert the autonomous sleep mode to the operating mode. This is beneficial to reducing the power consumption of the motor detection device.
[0072] Fig.11 A schematic diagram of the circuit structure of a reset module of a motor detection device provided in an embodiment of the present application.
[0073] refer to Fig.11 In some embodiments, the reset module includes a resistor R12, a resistor R13, a reset switch SW and a polarized capacitor C3, wherein a first end of the reset switch SW is connected to a ground GND, a second end of the reset switch SW is connected to a first end of the resistor R12, a second end of the resistor R12 is connected to a power supply voltage VCC, a first end of the resistor R13 is connected to a first end of the resistor R12, a second end of the resistor R13 is an output end of the reset module, a first end of the polarized capacitor C3 is connected to a first end of the reset switch SW, and a second end of the polarized capacitor C3 is connected to a second end of the reset switch SW.
[0074] Continue to refer Fig.11, press the reset switch SW, the output end of the reset module outputs the reset signal Status, the reset port of the MCU is connected to the output end of the reset module, and the MCU that receives the reset signal Status is reset. The reset operation can convert the MCU in the autonomous sleep mode into the running mode. In this way, when it is necessary to detect the running status of the motor, press the reset switch SW to wake up the motor detection device, and then detect the running status of the motor. When the motor detection device is idle, the MCU is in the autonomous sleep mode, which is beneficial to reduce the power consumption of the motor detection device and save electricity.
[0075] refer to Fig.10 and Fig.11 In some embodiments, the external device 60 communicates wirelessly with the reset module 70 through the communication module 50, so that the output end of the reset module 70 outputs a reset signal Status to reset the MCU.
[0076] refer to Fig.10 In some embodiments, the motor detection device also includes a display and setting module 80 connected to the control module 30. The display and setting module 80 is used as a human-computer interaction interface. Inspection personnel can intuitively monitor the working status of the motor detection device and set the motor detection device through the display and setting module 80.
[0077] refer to Fig.10 In some embodiments, the motor detection device further includes an indicator light 90 connected to the control module 30 , and the inspection personnel can judge the power supply status and operation status of the motor detection device according to the color of the indicator light 90 .
[0078] The motor detection device provided in the above embodiment realizes interval sampling of the motor operating status by controlling the power supply of the detection module, which is beneficial to saving power of the motor detection device, reducing the power consumption of the motor detection device, extending the service life of the motor detection device, and further helping to improve the stability of the motor detection device.
[0079] On the other hand, the embodiments of the present application further provide a device, including the motor detection device described in any one of the above embodiments. It should be noted that the parts that are the same or corresponding to the above embodiments can refer to the description of the above embodiments, and will not be repeated below. Since the motor detection device provided in the above embodiments has better stability, monitoring the working state of the device through the motor detection device is conducive to improving the stability of the working state of the device.
[0080] Those skilled in the art can understand that the above-mentioned embodiments are specific examples of the present invention, and in practical applications, various changes can be made to the embodiments in form and detail without departing from the spirit and scope of the present invention. Any person skilled in the art can make their own changes and modifications without departing from the spirit and scope of the present invention, so the protection scope of the present invention shall be based on the scope defined in the claims.
Claims
1. A motor detection device, characterized in that: include: A detection module, the detection module is at least used to detect the running state of the motor and form performance parameters characterizing the running state of the motor, and the detection module has a power supply end; A power supply module, wherein the power supply module is connected to the detection module; A control module and a switch module, wherein the switch module is connected between the output end of the power supply module and the power supply end of the detection module, and the switch module has an enable end, and the enable end is connected to the control module; wherein, during the period when the enable end of the switch module receives the power supply signal sent by the control module, the switch module is turned on to connect the output end of the power supply module with the power supply end of the detection module; during the period when the enable end of the switch module does not receive the power supply signal sent by the control module, the switch module is turned off to disconnect the path between the output end of the power supply module and the power supply end of the detection module; The output end of the power supply module is also connected to the power supply end of the control module. The power supply module includes: a chemical power source and a power management unit. The input end of the power management unit is connected to the output end of the chemical power source. The output end of the power management unit serves as the output end of the power supply module. The power management unit converts the output voltage of the chemical power source into the working voltage of the control module, and converts the output voltage of the chemical power source into the working voltage of the detection module. The power management unit includes a boost chopper circuit; The performance parameters include: temperature data and vibration data, and the detection module includes: A temperature detection unit, wherein the temperature detection unit detects the temperature of the motor to form temperature data; A vibration detection chip is used to detect the vibration of the motor to form vibration data.
2. The motor detection device according to claim 1, characterized in that: The control module is also connected to the detection module, and the control module receives the performance parameter; The motor detection device further includes: a communication module connected to the control module, and the communication module is used to realize wireless communication between the control module and an external device.
3. The motor detection device according to claim 2, characterized in that: The control module also includes an interrupt enable end, which is connected to the detection module. During the period when the interrupt enable end receives an interrupt signal sent by the detection module, the control module receives the performance parameters. During the period when the interrupt enable end does not receive the interrupt signal sent by the control module, the control module stops receiving the performance parameters.
4. The motor detection device according to claim 1, characterized in that: The temperature detection unit includes a temperature sensor, and the temperature sensor includes: a PT100 temperature sensor, a PT1000 temperature sensor, an NTC temperature sensor or a PTC temperature sensor.
5. The motor detection device according to claim 1, characterized in that: The temperature detection unit comprises: A temperature sensor and a constant current source, wherein a first end of the temperature sensor is connected to an output end of the constant current source, and a second end of the temperature sensor is grounded; a differential amplifier circuit, wherein a first input terminal of the differential amplifier circuit is connected to a first terminal of the temperature sensor, and a second input terminal of the differential amplifier circuit is connected to a second terminal of the temperature sensor; A differential bias amplifier circuit, wherein a first input terminal of the differential bias amplifier circuit is connected to an output terminal of the differential amplifier circuit, a second input terminal of the differential bias amplifier circuit is connected to a reference voltage, and an output terminal of the differential bias amplifier circuit is connected to the control module.
6. The motor detection device according to claim 1, characterized in that: The control module includes an MCU, and the motor detection device also includes a reset module connected to the MCU. The MCU includes an autonomous sleep mode and an operating mode. The MCU receives a reset signal sent by the reset module to switch from the autonomous sleep mode to the operating mode.
7. A device, characterized in that: It comprises the motor detection device as described in any one of claims 1-6.