CN-224233856-U - Be used for damp-proofing heating circuit of motor, electronic equipment, firing equipment

CN224233856UCN 224233856 UCN224233856 UCN 224233856UCN-224233856-U

Abstract

The embodiment of the application provides a heating circuit, electronic equipment and heating equipment for motor moisture prevention, and belongs to the technical field of a motor. The heating circuit comprises a power supply access port for accessing an external power supply and a heating module connected to the power supply access port. The first heating control module is provided with an ambient temperature sensing unit for controlling the heating working state of the heating module according to the ambient temperature. The second heating control module is connected in parallel with the first heating control module and is provided with a circuit state detection unit, and the circuit state detection unit is arranged between the first heating control module and the power supply access port. The circuit state detection unit is used for detecting a first operation state of the first heating control module, and the second heating control module is used for controlling the heating working state of the heating module according to the first operation state. The embodiment of the application can prevent the usability of the motor from being reduced due to damp.

Inventors

LIAO WENXING
RUAN YANG
HUANG ZHIPENG
Tao Sanqiang
OU XIAOGAO
SONG PENGFEI
LIU QIANG

Assignees

深圳中广核工程设计有限公司
中广核工程有限公司

Dates

Publication Date: 20260512
Application Date: 20250507

Claims (10)

1. A heating circuit for moisture protection of an electric motor, the heating circuit comprising: the power supply access port is used for accessing an external power supply; the heating module is connected to the power supply access port; The first heating control module is arranged between the heating modules at the power supply access port and is provided with an environment temperature sensing unit, wherein the environment temperature sensing unit is used for detecting the environment temperature, and the first heating control module is used for controlling the heating working state of the heating modules according to the environment temperature; The second heating control module is arranged between the heating modules at the power supply access port, the second heating control module is connected in parallel with the first heating control module, the second heating control module is provided with a circuit state detection unit, the circuit state detection unit is arranged between the first heating control module and the power supply access port, the circuit state detection unit is used for detecting a first running state of the first heating control module, and the second heating control module is used for controlling a heating working state of the heating module according to the first running state.
2. The heating circuit of claim 1, wherein the second heating control module comprises the circuit state detection unit, a data processing unit, and a bypass current control unit, the bypass current control unit being disposed between the heating modules at the power access port, the bypass current control unit being connected in parallel with the first heating control module; The data processing unit is respectively connected with the circuit state detection unit and the bypass current control unit, the circuit state detection unit is used for detecting a first running state of the first heating control module, and the data processing unit is used for controlling a second running state of the bypass current control unit according to the first running state so as to control the heating working state of the heating module.
3. The heating circuit of claim 2, wherein the bypass current control unit comprises a bypass current control switch configured with a controlled end, an input end and an output end, the controlled end being connected to the data processing unit, the input end being connected to the power supply access port, the output end being for connection to the heating module; The data processing unit generates a switch control signal according to the first running state, and sends the switch control signal to the bypass current control switch through the controlled end, wherein the bypass current control switch is used for connecting the output end with the heating module according to the switch control signal.
4. The heating circuit of claim 2, wherein the second heating control module further comprises an ambient humidity sensing unit, the ambient humidity sensing unit is connected with the data processing unit, the ambient humidity sensing unit is used for detecting ambient humidity, the data processing unit is used for determining target heating power according to the ambient humidity, the data processing unit is provided with a first communication subunit, the heating module comprises a second communication subunit, the data processing unit is used for sending the target heating power to the heating module through the first communication subunit, and the heating module is used for receiving the target heating power through the second communication subunit and determining the heating working state according to the target heating power.
5. The heating circuit of claim 2, further comprising a display module coupled to the data processing unit, the display module configured to display at least one of a first operational state of the first heating control module, a heating operational state of the heating module, and a second operational state of the bypass current control unit.
6. The heating circuit of any one of claims 1 to 5, further comprising an indicator light connected in parallel with the heating module and the first heating control module.
7. The heating circuit of any one of claims 1 to 5, further comprising a leakage protection module disposed between the power supply access port and the heating module.
8. An electronic device, characterized in that it comprises a heating circuit according to any one of claims 1 to 7.
9. A heating apparatus comprising a junction box assembly and a switch box assembly, the junction box assembly comprising a heating module and a first heating control module, the switch box assembly comprising a power access port and a second heating control module; The first heating control module in the junction box assembly is connected in parallel with the second heating control module in the switch box assembly, and the heating module in the junction box assembly is connected with the power supply access port in the switch box assembly to constitute the heating circuit as claimed in any one of claims 1 to 7.
10. A heating device, characterized in that the heating device comprises a junction box assembly and a switch box assembly, the junction box assembly comprises a heating module, and the switch box assembly comprises a power supply access port, a first heating control module and a second heating control module; The heating module in the junction box assembly is connected with the first heating control module, the second heating control module and the power supply access port in the switch box assembly, respectively, to constitute the heating circuit as claimed in any one of claims 1 to 7.

Description

Be used for damp-proofing heating circuit of motor, electronic equipment, firing equipment Technical Field The application relates to the technical field of motors of low voltages, in particular to a heating circuit, electronic equipment and heating equipment for motor moisture prevention. Background The winding of the motor is usually wound by adopting materials such as enameled wires and the like, and the surface of the enameled wires possibly absorbs moisture in the long-term shutdown process although the winding has certain insulation performance, so that the insulation performance is reduced. Moreover, the moisture-proof capability of the insulating material inside the motor is gradually weakened when the insulating material is kept stand for a long time. In addition, the motor is internally provided with a plurality of cavities and gaps, and the places are easy to be water vapor gathering places and are difficult to emit. In the related art, if the motor is wet when it is stopped for a long period of time, insulation resistance inside the motor is lowered, thereby lowering the availability of the motor. Therefore, how to prevent the motor from decreasing in availability due to moisture has become a technical problem to be solved. Disclosure of utility model The embodiment of the application mainly aims to provide a heating circuit, electronic equipment and heating equipment for motor moisture prevention, and aims to prevent the usability of a motor from being reduced due to moisture. To achieve the above object, a first aspect of an embodiment of the present application proposes a heating circuit for motor moisture protection, the heating circuit comprising: the power supply access port is used for accessing an external power supply; the heating module is connected to the power supply access port; The first heating control module is arranged between the heating modules at the power supply access port and is provided with an environment temperature sensing unit, wherein the environment temperature sensing unit is used for detecting the environment temperature, and the first heating control module is used for controlling the heating working state of the heating modules according to the environment temperature; The second heating control module is arranged between the heating modules at the power supply access port, the second heating control module is connected in parallel with the first heating control module, the second heating control module is provided with a circuit state detection unit, the circuit state detection unit is arranged between the first heating control module and the power supply access port, the circuit state detection unit is used for detecting a first running state of the first heating control module, and the second heating control module is used for controlling a heating working state of the heating module according to the first running state. The heating circuit for the motor moisture prevention at least has the advantages that the first heating control module and the second heating control module are arranged in front of the heating module, so that the heating module can be automatically controlled to be started according to the ambient temperature, and heating can be timely started under the environment with higher humidity or low temperature, and the motor is prevented from being affected with moisture. And by arranging the second heating control modules in parallel, the detection and backup control paths of the working state of the first heating control modules are realized, and the heating circuit can still maintain stable operation when the first control path fails, so that the reliability and the adaptability of the heating circuit in a long-term shutdown state are effectively enhanced. In a whole, the heating circuit scheme provided by the embodiment of the application can realize moisture prevention of the motor on the premise of not increasing complex operation, so that the availability of the motor during standing is improved. In some embodiments, the second heating control module includes the circuit state detection unit, a data processing unit, and a bypass current control unit, where the bypass current control unit is disposed between the power supply access port and the heating module, and the bypass current control unit is connected in parallel with the first heating control module; The data processing unit is respectively connected with the circuit state detection unit and the bypass current control unit, the circuit state detection unit is used for detecting a first running state of the first heating control module, and the data processing unit is used for controlling a second running state of the bypass current control unit according to the first running state so as to control the heating working state of the heating module. In some embodiments, the bypass current control unit includes a bypass current control switch configured with a controlled end, an input en