Temperature detection circuit of motor

Abstract

The utility model provides a temperature detection circuit of a motor, the circuit comprises a single-chip microcomputer, a temperature sensor and a display screen, the temperature sensor is arranged on the surface of the motor, the grounding end of the temperature sensor is grounded, the power supply end of the temperature sensor is connected with a first power supply, and the display screen is connected with the single-chip microcomputer. A data transmission end of the temperature sensor is connected with a first data transmission pin of the single chip microcomputer, and a video output pin of the single chip microcomputer is connected with the display screen, so that the temperature, detected by the temperature sensor, of the motor is displayed through the display screen. The temperature of the motor is detected through the temperature detector, and the temperature value is displayed through the display screen, so that a worker can conveniently monitor the temperature of the motor, and the problem that the motor is seriously heated and even burnt down due to the fact that the worker cannot monitor the temperature is solved.

Description

Technical Field

[0001] The present application relates to the technical field of electromagnetic radiation monitoring, and in particular to an electromagnetic radiation monitoring system. Background Art

[0002] An electric motor is a device that converts electrical energy into mechanical energy. It is very important to ensure the normal operation of the motor. However, in actual use, the staff is unable to monitor the temperature of the motor. The motor may easily overheat, burn out, or even cause major safety accidents due to long-term overload, frequent starting, insulation aging, phase failure, poor quality of the power grid, or damage to the motor's cooling system. Utility Model Content

[0003] In view of the fact that existing staff are unable to monitor the temperature of motors, and the motors are prone to severe heating, burning, and even major safety accidents due to reasons such as long-term overload, frequent starting, insulation aging, phase failure, poor power grid quality, or damage to the motor's cooling system, the present application proposes a temperature detection circuit for a motor, which detects the temperature of the motor through a temperature detector and displays the temperature value on a display screen, making it convenient for staff to monitor the temperature of the motor and avoiding the problem of severe heating or even burning of the motor due to the staff's inability to monitor the temperature.

[0004] The present application proposes a temperature detection circuit for a motor, characterized in that the circuit comprises a single chip microcomputer, a temperature sensor and a display screen, wherein the temperature sensor is arranged on the surface of the motor.

[0005] Among them, the ground end of the temperature sensor is grounded, the power end of the temperature sensor is connected to the first power supply, the data transmission end of the temperature sensor is connected to the first data transmission pin of the single-chip computer, and the video output pin of the single-chip computer is connected to the display screen to display the temperature of the motor detected by the temperature sensor through the display screen.

[0006] Optionally, the temperature detection circuit also includes a first protection circuit, wherein a first end of the first protection circuit is connected to a second power supply, a second end of the first protection circuit is grounded, and a third end of the first protection circuit is connected to a first power pin of the microcontroller.

[0007] Optionally, the first protection circuit includes a first resistor and a first capacitor, one end of the first resistor is connected to the second power supply as the first end of the first protection circuit, the other end of the first resistor is connected to the first power pin of the microcontroller as the third end of the first protection circuit, one end of the first capacitor is connected to one end of the first resistor, and the other end of the first capacitor is grounded as the second end of the first protection circuit.

[0008] Optionally, the temperature detection circuit also includes a second protection circuit, wherein a first end of the second protection circuit is connected to a third power supply, a second end of the second protection circuit is grounded, and a third end of the second protection circuit is connected to a second power pin of the microcontroller.

[0009] Optionally, the second protection circuit includes a second resistor and a second capacitor, wherein one end of the second resistor is connected to a third power supply as the first end of the second protection circuit, the other end of the second resistor is connected to one end of the second capacitor, the other end of the second capacitor is grounded as the second end of the second protection circuit, and the other end of the second resistor is also connected to the second power pin of the microcontroller as the third end of the second protection circuit.

[0010] Optionally, the circuit further includes an alarm circuit, and a control end of the alarm circuit is connected to an alarm pin of the single-chip microcomputer.

[0011] Optionally, the alarm circuit includes a transistor, a relay, an alarm, a power module and a third resistor, wherein one end of the third resistor is connected to the alarm pin of the single-chip microcomputer as the control end of the alarm circuit, the other end of the third resistor is connected to the base of the transistor, the emitter of the transistor is grounded, the collector of the transistor is connected to the control end of the relay, one end of the relay switch is connected to one end of the power module, the other end of the power module is connected to the N end of the alarm, and the L end of the alarm is connected to the other end of the relay switch.

[0012] Optionally, the circuit further includes a third protection circuit, wherein one end of the third protection circuit is connected to the power supply end of the temperature sensor, and the other end of the third protection circuit is connected to the second end of the alarm circuit.

[0013] Optionally, the third protection circuit includes a diode, wherein the cathode of the diode is connected to the power supply end of the temperature sensor as one end of the third protection circuit, and the anode of the diode is connected to the collector of the transistor.

[0014] Optionally, the circuit further includes a power plug, wherein one end of the power plug is connected to one end of the power module, and the other end of the power plug is connected to the other end of the power supply.

[0015] The temperature detection circuit of the motor proposed in the present application detects the temperature of the motor through a temperature detector and displays the temperature value through a display screen, which facilitates the staff to monitor the temperature of the motor and avoids the problem of severe heating or even burning of the motor due to the staff's inability to monitor the temperature.

[0016] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, preferred embodiments are specifically cited below and described in detail with reference to the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 A schematic diagram of a temperature detection circuit of a motor is shown;

[0019] Figure 2 A schematic diagram of another temperature detection circuit for a motor is shown. DETAILED DESCRIPTION

[0020] To make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. The components of the embodiments of the present application usually described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application claimed for protection, but merely represents the selected embodiments of the present application. Based on the embodiments of the present application, each other embodiment obtained by those skilled in the art without making creative work belongs to the scope of protection of the present application.

[0021] It should be noted that the term "comprising" will be used in the embodiments of the present application to indicate the existence of the features declared thereafter, but does not exclude the addition of other features.

[0022] The present application relates to a temperature detection circuit for an electric motor, which detects the temperature of the electric motor by means of a temperature detector and displays the temperature value on a display screen, thereby facilitating staff to monitor the temperature of the electric motor and avoiding the problem of severe heating or even burning of the motor due to the staff being unable to monitor the temperature.

[0023] See also Figure 1 , Figure 1 A schematic diagram of a temperature detection circuit of a motor is shown, Figure 1 As shown in , the temperature detection circuit of the motor proposed in the embodiment of the present application includes: a single chip computer 101, a temperature sensor 102 and a display screen 103.

[0024] Among them, the ground end of the temperature sensor is grounded, the power end of the temperature sensor is connected to the first power supply, the data transmission end of the temperature sensor is connected to the first data transmission pin of the single-chip computer, and the video output pin of the single-chip computer is connected to the display screen to display the temperature of the motor detected by the temperature sensor through the display screen.

[0025] Optionally, the temperature detection circuit also includes a first protection circuit, wherein a first end of the first protection circuit is connected to a second power supply, a second end of the first protection circuit is grounded, and a third end of the first protection circuit is connected to a first power pin of the microcontroller.

[0026] Optionally, the first protection circuit includes a first resistor and a first capacitor, one end of the first resistor is connected to the second power supply as the first end of the first protection circuit, the other end of the first resistor is connected to the first power pin of the microcontroller as the third end of the first protection circuit, one end of the first capacitor is connected to one end of the first resistor, and the other end of the first capacitor is grounded as the second end of the first protection circuit.

[0027] Optionally, the temperature detection circuit also includes a second protection circuit, wherein a first end of the second protection circuit is connected to a third power supply, a second end of the second protection circuit is grounded, and a third end of the second protection circuit is connected to a second power pin of the microcontroller.

[0028] Optionally, the second protection circuit includes a second resistor and a second capacitor, wherein one end of the second resistor is connected to a third power supply as the first end of the second protection circuit, the other end of the second resistor is connected to one end of the second capacitor, the other end of the second capacitor is grounded as the second end of the second protection circuit, and the other end of the second resistor is also connected to the second power pin of the microcontroller as the third end of the second protection circuit.

[0029] Optionally, the circuit further includes an alarm circuit, and a control end of the alarm circuit is connected to an alarm pin of the single-chip microcomputer.

[0030] Optionally, the alarm circuit includes a transistor, a relay, an alarm, a power module and a third resistor, wherein one end of the third resistor is connected to the alarm pin of the single-chip microcomputer as the control end of the alarm circuit, the other end of the third resistor is connected to the base of the transistor, the emitter of the transistor is grounded, the collector of the transistor is connected to the control end of the relay, one end of the relay switch is connected to one end of the power module, the other end of the power module is connected to the N end of the alarm, and the L end of the alarm is connected to the other end of the relay switch.

[0031] Optionally, the circuit further includes a third protection circuit, wherein one end of the third protection circuit is connected to the power supply end of the temperature sensor, and the other end of the third protection circuit is connected to the second end of the alarm circuit.

[0032] Optionally, the third protection circuit includes a diode, wherein the cathode of the diode is connected to the power supply end of the temperature sensor as one end of the third protection circuit, and the anode of the diode is connected to the collector of the transistor.

[0033] Optionally, the circuit further includes a power plug, wherein one end of the power plug is connected to one end of the power module, and the other end of the power plug is connected to the other end of the power supply.

[0034] For example, see Figure 2 , Figure 2 Another temperature detection circuit of the motor is shown. Figure 2 As shown in , the temperature detection circuit of the motor proposed in the embodiment of the present application includes: a single chip computer 101, a temperature sensor 102, a first protection circuit 201, a second protection circuit 202, a relay 203, an alarm 204, a power module 205, a power plug 206, a diode D, a transistor B, and a third resistor R3, wherein the first protection circuit 201 includes a first resistor R1 and a first capacitor C1, and the second protection circuit includes a second resistor R2 and a second capacitor C2. Among them, the transistor B, the relay 203, the alarm 204, the power module 205 and the third resistor R3 constitute an alarm circuit.

[0035] Among them, the ground end of the temperature sensor is grounded, the power end of the temperature sensor is connected to the first power supply, the data transmission end of the temperature sensor is connected to the first data transmission pin of the single-chip computer, and the video output pin of the single-chip computer is connected to the display screen to display the temperature of the motor detected by the temperature sensor through the display screen.

[0036] Here, the model of the temperature sensor may be DS18B20, the ground terminal of the temperature sensor may be a GND pin of the temperature sensor, the data transmission terminal of the temperature sensor may be a DQ pin, and the power supply terminal of the temperature sensor may be a VCC pin.

[0037] The model of the microcontroller may be ATMEGA8, and the model of the display screen may be DM12864.

[0038] Among them, the first end of the first protection circuit is connected to the second power supply, the second end of the first protection circuit is grounded, and the third end of the first protection circuit is connected to the first power pin of the single-chip computer.

[0039] Specifically, the first protection circuit includes a first resistor and a first capacitor, one end of the first resistor is connected to the second power supply as the first end of the first protection circuit, the other end of the first resistor is connected to the first power pin of the microcontroller as the third end of the first protection circuit, one end of the first capacitor is connected to one end of the first resistor, and the other end of the first capacitor is grounded as the second end of the first protection circuit.

[0040] Here, the resistance value of the first resistor may be 4.7K.

[0041] Among them, the first end of the second protection circuit is connected to the third power supply, the second end of the second protection circuit is grounded, and the third end of the second protection circuit is connected to the second power supply pin of the single-chip computer.

[0042] Specifically, the second protection circuit includes a second resistor and a second capacitor, one end of the second resistor is connected to the third power supply as the first end of the second protection circuit, the other end of the second resistor is connected to one end of the second capacitor, the other end of the second capacitor is grounded as the second end of the second protection circuit, and the other end of the second resistor is also connected to the second power pin of the microcontroller as the third end of the second protection circuit.

[0043] Here, the resistance value of the second resistor may be 1K.

[0044] Wherein, the control end of the alarm circuit is connected to the alarm pin of the single chip microcomputer.

[0045] Specifically, the alarm circuit includes a transistor, a relay, an alarm, a power module and a third resistor. One end of the third resistor is connected to the alarm pin of the single-chip microcomputer as the control end of the alarm circuit, the other end of the third resistor is connected to the base of the transistor, the emitter of the transistor is grounded, the collector of the transistor is connected to the control end of the relay, one end of the relay switch is connected to one end of the power module, the other end of the power module is connected to the N end of the alarm, and the L end of the alarm is connected to the other end of the relay switch.

[0046] Here, the resistance of the third resistor may be 1k, and the model of the transistor may be 9.13NPN.

[0047] Wherein, the circuit further includes a third protection circuit, one end of the third protection circuit is connected to the power supply end of the temperature sensor, and the other end of the third protection circuit is connected to the second end of the alarm circuit.

[0048] Specifically, the third protection circuit includes a diode, wherein the cathode of the diode is connected to the power supply end of the temperature sensor as one end of the third protection circuit, and the anode of the diode is connected to the collector of the transistor.

[0049] Here, the diode model may be IN4148.

[0050] Wherein, the circuit also includes a power plug.

[0051] Specifically, one end of the power plug is connected to one end of the power module, and the other end of the power plug is connected to the other end of the power supply.

[0052] Here, the model of the power plug may be AC220.

[0053] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0054] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0055] In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0056] The above description is only a preferred embodiment of the present application, and does not limit the protection scope of the present application. All equivalent structural changes made by using the contents of the present application specification and drawings under the innovative concept of the present application, or direct / indirect application in other related technical fields are included in the protection scope of the present application.

Claims

1. A temperature detection circuit for a motor, characterized in that: The circuit includes a single chip microcomputer, a temperature sensor and a display screen. The temperature sensor is arranged on the surface of the motor. Among them, the ground end of the temperature sensor is grounded, the power end of the temperature sensor is connected to the first power supply, the data transmission end of the temperature sensor is connected to the first data transmission pin of the single-chip computer, and the video output pin of the single-chip computer is connected to the display screen to display the temperature of the motor detected by the temperature sensor through the display screen.

2. The temperature detection circuit according to claim 1, characterized in that: The temperature detection circuit also includes a first protection circuit, Among them, the first end of the first protection circuit is connected to the second power supply, the second end of the first protection circuit is grounded, and the third end of the first protection circuit is connected to the first power pin of the single-chip computer.

3. The temperature detection circuit according to claim 2, characterized in that: The first protection circuit includes a first resistor and a first capacitor, One end of the first resistor is connected to the second power supply as the first end of the first protection circuit, the other end of the first resistor is connected to the first power pin of the microcontroller as the third end of the first protection circuit, one end of the first capacitor is connected to one end of the first resistor, and the other end of the first capacitor is grounded as the second end of the first protection circuit.

4. The temperature detection circuit according to claim 1, characterized in that: The temperature detection circuit also includes a second protection circuit, Among them, the first end of the second protection circuit is connected to the third power supply, the second end of the second protection circuit is grounded, and the third end of the second protection circuit is connected to the second power supply pin of the single-chip computer.

5. The temperature detection circuit according to claim 4, characterized in that: The second protection circuit includes a second resistor and a second capacitor. Among them, one end of the second resistor is connected to the third power supply as the first end of the second protection circuit, the other end of the second resistor is connected to one end of the second capacitor, the other end of the second capacitor is grounded as the second end of the second protection circuit, and the other end of the second resistor is also connected to the second power pin of the microcontroller as the third end of the second protection circuit.

6. The temperature detection circuit according to claim 1, characterized in that: The circuit also includes an alarm circuit, The control end of the alarm circuit is connected to the alarm pin of the single chip microcomputer.

7. The temperature detection circuit according to claim 6, characterized in that: The alarm circuit includes a transistor, a relay, an alarm, a power module and a third resistor. Among them, one end of the third resistor is connected to the alarm pin of the single-chip computer as the control end of the alarm circuit, the other end of the third resistor is connected to the base of the transistor, the emitter of the transistor is grounded, the collector of the transistor is connected to the control end of the relay, one end of the relay switch is connected to one end of the power module, the other end of the power module is connected to the N end of the alarm, and the L end of the alarm is connected to the other end of the relay switch.

8. The temperature detection circuit according to claim 7, characterized in that: The circuit further comprises a third protection circuit, Among them, one end of the third protection circuit is connected to the power supply end of the temperature sensor, and the other end of the third protection circuit is connected to the second end of the alarm circuit.

9. The temperature detection circuit according to claim 8, characterized in that: The third protection circuit includes a diode, The cathode of the diode is connected to the power supply end of the temperature sensor as one end of the third protection circuit, and the anode of the diode is connected to the collector of the transistor.

10. The temperature detection circuit according to claim 8, characterized in that: The circuit also includes a power plug, One end of the power plug is connected to one end of the power module, and the other end of the power plug is connected to the other end of the power supply.

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