Electromagnetic circuit breaker and winch based on electromagnetic circuit breaker
By designing electromagnetic circuit breakers and tactile switches, combined with indicator lights and relays, the problem of accidental activation of wireless remote-controlled winches was solved, enabling safe and reliable operation of the winches.
Patent Information
- Application Number
- CN202422968147.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-03
AI Technical Summary
Wireless remote-controlled winch motors are prone to accidental activation, posing a high risk of accidental start-up. In existing technologies, careless operation of wireless remote controls can easily lead to hazards.
An electromagnetic circuit breaker is used, and the power on and off of the winch controller is controlled by a tactile switch. An indicator light shows the start-up status, and components such as relays and diodes are used to ensure the correct current direction and prevent false triggering.
It effectively prevents the winch from starting accidentally, improves operational safety, and uses indicator lights to remind operators to stay away from the winch, reducing the risk of misoperation.
Smart Images
Figure CN223582898U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to winch technical field, specifically, an electromagnetic circuit breaker and based on electromagnetic circuit breaker's winch. BACKGROUND
[0002] Winch is the mechanical with the hoist cylinder of horizontal installation, can be wound under the power drive but does not store the rope, also refers to the rotation axis with the deck level winch, is the self-protection and traction device of vehicle, ship, can carry out self-help and rescue in the harsh environment such as snow, marsh, desert, beach, muddy mountain road, and can carry out the operation such as removing the obstacle, dragging the article, installing the facility under other conditions, is indispensable safety device for the military police, petroleum, hydrology, environmental protection, forestry, traffic, public security, frontier defense, fire control and other outdoor sports.
[0003] The traditional winch is all started through the physical button on it, makes the motor in the winch positive rotation or reverse rotation, realizes the winch rope winding or unwinding. In order to facilitate operation, in the prior art, the winch is controlled by wireless remote controller. But the wireless remote control winch in the prior art establishes wireless communication through wireless remote control transmitter and wireless remote control receiver on the winch, realizes wireless remote control function, but the winch directly controlled by remote control is easy to cause winch misoperation and cause harm if the operator accidentally presses the remote control. UTILITY MODEL CONTENTS
[0004] The technical problem to be solved by the utility model is that the wireless remote control winch motor is easy to be misoperated, in order to overcome the defects of the prior art, the utility model provides an electromagnetic circuit breaker and a winch based on the electromagnetic circuit breaker.
[0005] The utility model provides an electromagnetic circuit breaker, including the casing, fixedly being equipped with circuit board, relay K4 and switch in the casing, be equipped with a diode D3 on the circuit board, the switch includes button K3 and pilot lamp LP1;
[0006] The first end of button K3 and the first end of relay K4 contact are electrically connected with input power supply, the second end of relay K4 contact is electrically connected with the anode of diode D3 and the anode of pilot lamp LP1 respectively, the negative pole of diode D3 is electrically connected with the second end of button K3, the negative pole of diode D3 is electrically connected with winch controller power supply end, the negative pole of pilot lamp LP1 is grounded, the coil end of relay K4 is electrically connected with winch controller control end.
[0007] Compared with the prior art, the electromagnetic circuit breaker of the application has the following advantages: the power-on and power-off of the winch controller are realized by setting the touch switch, misoperation is effectively prevented, and it is also possible to display whether to start through the pilot lamp LP1, to remind the operator to keep away from the winch, and to improve safety.
[0008] In a possible implementation, a diode D7 is electrically connected between the negative electrode of the diode D3 and the second end of the button K3, the diode D7 is fixed on the circuit board, the second end of the button K3 is electrically connected with the positive electrode of the diode D7, the negative electrode of the diode D7 is electrically connected with the power supply end of the winch controller, and the negative electrode of the diode D3 is electrically connected with the negative electrode of the diode D7.
[0009] Compared with the prior art, by arranging the diode D7 to constrain the current direction, it is ensured that the power energy of the input power supply is input to the winch controller for power supply after the button K3 is closed, and the input power supply is prevented from being damaged by reverse current.
[0010] In a possible implementation, a triode Q3 and a resistor R3 are further arranged on the circuit board, the relay K4 coil end includes a relay K4 coil first end and a relay K4 coil second end.
[0011] The relay K4 coil first end is electrically connected with the collector of the triode Q3, the emitter of the triode Q3 is grounded, the base of the triode Q3 is electrically connected with the control end of the winch controller through the resistor R3, and the relay K4 coil second end is electrically connected with the negative electrode of the diode D3.
[0012] Compared with the prior art, the triode Q3 is used for isolation, so that enough voltage is ensured at both ends of the relay K4 coil for starting.
[0013] In a possible implementation, a diode D5 is further arranged on the circuit board, the relay K4 coil first end is electrically connected with the positive electrode of the diode D5, and the negative electrode of the diode D5 is electrically connected with the relay K4 coil second end.
[0014] Compared with the prior art, the diode D5 is used to ensure the direction of the current of the relay K4 coil, so that the relay K4 contact can be turned on or turned off.
[0015] Another technical solution of the utility model is a winch based on an electromagnetic circuit breaker, which comprises a main control module, a wireless remote control receiving module, a motor driving module and a winch motor; the wireless remote control receiving module and the motor driving module are electrically connected with the main control module, and the motor driving module is electrically connected with the winch motor.
[0016] An electromagnetic circuit breaker is electrically connected between the power supply end of the main control module and the input power supply, the negative electrode of the diode D3 is electrically connected with the power supply end of the main control module, and the relay K4 coil end is electrically connected with the control end of the main control module.
[0017] After the button K3 is triggered, the main control module controls the relay K4 to be closed and the wireless remote control receiving module to be powered on, and meanwhile, the main control module controls the motor driving module to drive the winch motor to rotate forward or reversely according to the signal received by the wireless remote control receiving module.
[0018] Compared with the prior art, the winch based on the electromagnetic circuit breaker has the following advantages: the energization and de-energization of the main control module are realized by setting the micro switch, thereby realizing the energization and de-energization of the wireless remote control receiving module, effectively preventing the false touch caused by the wireless remote control, and enabling the indication lamp LP1 to display whether the winch is started or not, thereby reminding the operator to keep away from the winch and improving the safety.
[0019] In a possible implementation, the motor driving module comprises an intermediate relay K5, a motor reversing relay K6 and a motor reversing relay K7.
[0020] The coil end of the intermediate relay K5 is connected in parallel across the indication lamp LP1, and the coil end of the motor reversing relay K6 and the coil end of the motor reversing relay K7 are both electrically connected to the control end of the main control module.
[0021] The first end of the contact of the intermediate relay K5 is electrically connected to the input power supply, the common end of the contact of the motor reversing relay K6 is electrically connected to one end of the winch motor MT1, the common end of the contact of the motor reversing relay K7 is electrically connected to the other end of the winch motor MT1, the normally closed end of the contact of the motor reversing relay K6 and the normally closed end of the contact of the motor reversing relay K7 are both grounded, and the normally open end of the contact of the motor reversing relay K6 and the normally open end of the contact of the motor reversing relay K7 are both electrically connected to the second end of the contact of the intermediate relay K5.
[0022] The main control module controls the common end of the contact of the motor reversing relay K6 to be electrically connected to the normally open end of the contact of the motor reversing relay K6 or controls the common end of the contact of the motor reversing relay K7 to be electrically connected to the normally open end of the contact of the motor reversing relay K7 according to the signal received by the wireless remote control receiving module.
[0023] Compared with the prior art, the winch motor can rotate forward or reversely by the conduction and closure of the three relays.
[0024] In a possible implementation, the coil end of the motor reversing relay K6 is electrically connected to the control end of the main control module through a first coil power supply module, and the first coil power supply module comprises a triode Q2 and a relay K1; the negative electrode of the diode D3 outputs the power supply VCC.
[0025] The first end of the motor commutation relay K6 coil is grounded, the second end of the motor commutation relay K6 coil is electrically connected with the first end of the relay K1 contact, the second end of the relay K1 contact is electrically connected with the positive end of the indicator lamp LP1, the second end of the relay K1 coil is electrically connected with the power supply VCC, the first end of the relay K1 coil is electrically connected with the collector of the transistor Q2, the emitter of the transistor Q2 is grounded, and the base of the transistor Q2 is electrically connected with the control end of the main control module through the resistor R2.
[0026] Compared with the prior art, isolation is performed by the transistor Q2 and the relay K1, so that there is enough voltage across the two ends of the motor commutation relay K6 coil for starting.
[0027] In a possible implementation, the first end of the relay K1 coil is electrically connected with the anode of the diode D2, and the cathode of the diode D2 is electrically connected with the second end of the relay K1 coil.
[0028] Compared with the prior art, the diode D2 ensures the direction of the current of the relay K1 coil, so that the relay K1 contact can be turned on or turned off.
[0029] In a possible implementation, the end of the motor commutation relay K7 coil is electrically connected with the main control module through a second coil power supply module, and the second coil power supply module comprises a transistor Q1 and a relay K2; the cathode of the diode D3 outputs the power supply VCC.
[0030] The first end of the motor commutation relay K7 coil is grounded, the second end of the motor commutation relay K7 coil is electrically connected with the first end of the relay K2 contact, the second end of the relay K2 contact is electrically connected with one end of the indicator lamp LP1, the second end of the relay K2 coil is electrically connected with the power supply VCC, the first end of the relay K2 coil is electrically connected with the collector of the transistor Q1, the emitter of the transistor Q1 is grounded, and the base of the transistor Q1 is electrically connected with the control end of the main control module through the resistor R1.
[0031] Compared with the prior art, isolation is performed by the transistor Q1 and the relay K2, so that there is enough voltage across the two ends of the motor commutation relay K7 coil for starting.
[0032] In a possible implementation, the first end of the relay K2 coil is electrically connected with the anode of the diode D1, and the cathode of the diode D1 is electrically connected with the second end of the relay K2 coil.
[0033] Compared with the prior art, the diode D1 ensures the direction of the current of the relay K2 coil, so that the relay K2 contact can be turned on or turned off. BRIEF DESCRIPTION OF DRAWINGS
[0034] Figure 1The utility model relates to a whole structure diagram of electromagnetic circuit breaker,
[0035] Figure 2 The utility model relates to an internal structure diagram of electromagnetic circuit breaker,
[0036] Figure 3 The utility model relates to an internal bottom view of electromagnetic circuit breaker,
[0037] Figure 4 The utility model relates to a system block diagram of winch based on electromagnetic circuit breaker,
[0038] Figure 5 The utility model relates to a circuit diagram of winch based on electromagnetic circuit breaker.
[0039] Explanation of the drawings:
[0040] 1 - shell, 2 - circuit board, 3 - relay K4, 31 - relay K4 contact first end, 32 - relay K4 contact second end, 33 - relay K4 coil first end, 34 - relay K4 coil second end, 4 - switch. Specific implementation
[0041] First, those skilled in the art should understand that these embodiments are only used to explain the technical principles of the application examples, and are not intended to limit the protection scope of the application examples. Those skilled in the art can adjust them as needed in order to adapt to specific application occasions.
[0042] In the description of the application examples, it should be explained that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the application examples can be understood according to the specific circumstances.
[0043] The application will be further described in detail below in combination with the drawings and specific embodiments.
[0044] Embodiment one
[0045] Referring to Figures 1-3 、 Figure 5 As shown in the figure, the application example discloses an electromagnetic circuit breaker, which comprises a shell 1, the shell 1 is fixedly provided with a circuit board 2, a relay K43 and a switch 4, the circuit board 2 is provided with a diode D3, and the switch 4 comprises a button K3 and an indicator lamp LP1.
[0046] Among them, the switch 4 can be a light touch button switch with a lamp, or other switches with an indicator lamp and a button.
[0047] The first end of the button K3 and the first end 31 of the relay K4 contact are electrically connected with the input power supply, the second end 32 of the relay K4 contact is electrically connected with the anode of the diode D3 and the anode of the indicator lamp LP1 respectively, the cathode of the diode D3 is electrically connected with the second end of the button K3, the cathode of the diode D3 is electrically connected with the power supply end of the winch controller, the cathode of the indicator lamp LP1 is grounded, and the coil end of the relay K4 is electrically connected with the control end of the winch controller.
[0048] After the button K3 is triggered, the main control module controls the relay K4 to be closed and the wireless remote control receiving module to be powered on, and the main control module controls the motor driving module to drive the winch motor to rotate forward or reverse according to the signal received by the wireless remote control receiving module.
[0049] The wireless remote control receiving module is a prior art and only needs to be capable of realizing wireless remote control.
[0050] Through the electromagnetic circuit breaker of the embodiment, direct starting of the winch motor can be effectively avoided, misoperation can be avoided, and the safety of operating the winch is improved.
[0051] Specifically, after the button K3 in the touch switch is pressed, the winch controller is powered on, and the winch controller can be used to manually or wirelessly control the winch motor to work after being powered on, thereby effectively avoiding misoperation caused by direct starting of the winch motor. Meanwhile, after the winch controller is powered on, the relay K4 can be controlled to be attracted, and the indicator lamp LP1 is lit, thereby prompting the operator to move away from the winch and improving the safety.
[0052] The input power supply is generally a battery BT1, and the cathode of the diode D3 is used as an output power supply.
[0053] The cathode of the diode D3 and the second end of the button K3 are electrically connected with a diode D7 fixed on the circuit board 2, the second end of the button K3 and the anode of the diode D7 are electrically connected, the cathode of the diode D7 and the power supply end of the winch controller are electrically connected, and the cathode of the diode D3 and the cathode of the diode D7 are electrically connected.
[0054] The diode D7 is arranged to constrain the current direction, so that the electric energy of the battery BT1 is input to the main control module for power supply after the button K3 is closed, and the battery BT1 is prevented from being damaged by reverse current.
[0055] The circuit board 2 is further provided with a triode Q3 and a resistor R3, and the coil end of the relay K4 includes a first end 33 of the relay K4 coil and a second end 34 of the relay K4 coil.
[0056] The first end 33 of the relay K4 coil is electrically connected to the collector of the transistor Q3, the emitter of the transistor Q3 is grounded, and the base of the transistor Q3 is electrically connected to the winch controller control end through the resistor R3. The second end 34 of the relay K4 coil is electrically connected to the negative electrode of the diode D3.
[0057] The transistor Q3 is isolated to ensure that the relay K4 coil has sufficient voltage for starting.
[0058] The first end 33 of the relay K4 coil is electrically connected to the positive electrode of the diode D5, and the negative electrode of the diode D5 is electrically connected to the second end 34 of the relay K4 coil.
[0059] The diode D5 ensures the direction of the relay K4 coil current, ensuring that the relay K4 contact can be turned on or off.
[0060] In the actual design process, the electromagnetic circuit breaker has four lines that need to be externally connected, which are: the input power line electrically connected to the first end of the button K3, the ground line, the output power line electrically connected to the negative electrode of the diode D3, and the control line electrically connected to one end of the resistor R3. In order to facilitate connection, these lines can be connected to the terminal, which is convenient for subsequent installation.
[0061] Embodiment Two
[0062] Referring to Figure 4 and Figure 5 The embodiment discloses a winch based on an electromagnetic circuit breaker, which comprises a main control module, a wireless remote control receiving module, a motor driving module and a winch motor. The wireless remote control receiving module and the motor driving module are electrically connected to the main control module, and the motor driving module is electrically connected to the winch motor.
[0063] The power supply end of the main control module is electrically connected to an electromagnetic circuit breaker between the input power supply, the negative electrode of the diode D3 is electrically connected to the power supply end of the main control module, and the coil end of the relay K43 is electrically connected to the control end of the main control module.
[0064] After the button K3 is triggered, the main control module controls the relay K43 to be closed and the wireless remote control receiving module to be powered on, and at the same time, the main control module controls the motor driving module to drive the winch motor to rotate forward or reverse according to the signal received by the wireless remote control receiving module.
[0065] The winch of the embodiment is installed and used on a car, and the input power supply connected to the electromagnetic circuit breaker is a car battery, that is, a 12V direct current power supply. Of course, in actual use, it can also be a 24V, 36V, 72V or other car battery voltage, as long as it can provide power.
[0066] After the button K3 is triggered, the main control module controls the relay K4 to be closed and the wireless remote control receiving module to be powered on. The main control module controls the motor driving module to drive the winch motor to rotate forward or reverse according to the signal received by the wireless remote control receiving module.
[0067] After the button K3 in the touch switch is pressed, the control indicator light LP1 displays start, and the winch motor is controlled to rotate forward or reverse according to the signal received by the wireless remote control receiving module. The wireless remote control function of the winch is started more conveniently.
[0068] Specifically, the button K3 in the touch switch is pressed for two seconds, and its indicator light LP1 starts to light up, prompting the operator to move away from the winch and improving safety. At this time, the main control module is powered on and immediately controls the wireless remote control receiving module to be powered on. After the wireless remote control receiving module receives the wireless signal sent by the wireless remote control transmitter, the signal is transmitted to the main control module. The main control module controls the winch motor to rotate forward or reverse according to the received wireless signal, so as to realize the winding or unwinding of the winch.
[0069] If the wireless remote control receiving module has not received any wireless signal for ten minutes, the main control module automatically turns off the power supply of the wireless remote control receiving module and disables the wireless remote control function, thereby saving energy.
[0070] If the wireless remote control function needs to be started again, the button K3 is pressed again, and the above operation is repeated to realize the wireless remote control of the winch motor.
[0071] The wireless remote control receiving module is a prior art and only needs to be able to realize wireless remote control.
[0072] Of course, in actual use, the wireless remote control receiving module can also not be set, and the manual switch can be directly used to start, as long as the manual switch is electrically connected with the main control module. In this way, only when the main control module is powered on, the manual switch can be operated, thereby effectively avoiding accidental touch.
[0073] In the embodiment, the motor driving module includes an intermediate relay K5, a motor reversing relay K6, and a motor reversing relay K7.
[0074] The coil end of the intermediate relay K5 is connected in parallel across the two ends of the indicator light LP1. The coil end of the motor reversing relay K6 and the coil end of the motor reversing relay K7 are both electrically connected with the control end of the main control module.
[0075] The first end of the intermediate relay K5 contact is electrically connected with the input power supply, the common end of the motor reversing relay K6 contact is electrically connected with one end of the winch motor MT1, the common end of the motor reversing relay K7 contact is electrically connected with the other end of the winch motor MT1, the normally closed end of the motor reversing relay K6 contact and the normally closed end of the motor reversing relay K7 contact are grounded, and the normally open end of the motor reversing relay K6 contact and the normally open end of the motor reversing relay K7 contact are electrically connected with the second end of the intermediate relay K5 contact.
[0076] The main control module controls the common end of the motor reversing relay K6 contact to be electrically connected with the normally open end of the motor reversing relay K6 contact, or controls the common end of the motor reversing relay K7 contact to be electrically connected with the normally open end of the motor reversing relay K7 contact according to the signal received by the wireless remote control receiving module.
[0077] The winch motor can be forward rotated or reversed by the conduction and the closing of the three relays.
[0078] In the embodiment, the coil end of the motor reversing relay K6 is electrically connected with the control end of the main control module through the first coil power supply module, and the first coil power supply module comprises a transistor Q2 and a relay K1.
[0079] The first end of the coil of the motor reversing relay K6 is grounded, the second end of the coil of the motor reversing relay K6 is electrically connected with the first end of the contact of the relay K1, the second end of the contact of the relay K1 is electrically connected with the positive end of the indicator lamp LP1, the second end of the coil of the relay K1 is electrically connected with the power supply VCC, the first end of the coil of the relay K1 is electrically connected with the collector of the transistor Q2, the emitter of the transistor Q2 is grounded, and the base of the transistor Q2 is electrically connected with the control end of the main control module through the resistor R2.
[0080] The transistor Q2 and the relay K1 are isolated to ensure that the two ends of the coil of the motor reversing relay K6 have sufficient voltage for starting.
[0081] The first end of the coil of the relay K1 is electrically connected with the positive electrode of the diode D2, and the negative electrode of the diode D2 is electrically connected with the second end of the coil of the relay K1. The diode D2 ensures the direction of the current of the coil of the relay K1, and ensures that the contact of the relay K1 can be conducted or disconnected.
[0082] In the embodiment, the coil end of the motor reversing relay K7 is electrically connected with the main control module through the second coil power supply module, and the second coil power supply module comprises a transistor Q1 and a relay K2.
[0083] The first end of the coil of the motor commutation relay K7 is grounded, the second end of the coil of the motor commutation relay K7 is electrically connected with the first end of the contact of the relay K2, the second end of the contact of the relay K2 is electrically connected with one end of the indicating lamp LP1, the second end of the coil of the relay K2 is electrically connected with the power supply VCC, the first end of the coil of the relay K2 is electrically connected with the collector of the triode Q1, the emitter of the triode Q1 is grounded, and the base of the triode Q1 is electrically connected with the control end of the main control module through the resistor R1.
[0084] The triode Q1 and the relay K2 are used for isolation, so that the two ends of the coil of the motor commutation relay K7 have sufficient voltage for starting.
[0085] The first end of the coil of the relay K2 is electrically connected with the anode of the diode D1, and the cathode of the diode D1 is electrically connected with the second end of the coil of the relay K2.
[0086] The diode D1 is used for ensuring the direction of the current of the coil of the relay K2, so that the contact of the relay K2 can be turned on or turned off.
[0087] In the embodiment, a voltage stabilizing module is electrically connected between the cathode of the diode D3 and the power supply end of the main control module, the voltage stabilizing module comprises a voltage stabilizing chip U1, and the main control module comprises a main control chip U3.
[0088] The cathode of the diode D3 is electrically connected with the input end of the voltage stabilizing chip U1 through the resistor R4, the second end of the button K3 is grounded through the transient voltage suppression diode D4, the cathode of the diode D3 is grounded through the capacitor C4, the input end of the voltage stabilizing chip U1 is respectively grounded through the electrolytic capacitor C3 and the capacitor C6, the output end of the voltage stabilizing chip U1 is electrically connected with the power supply end of the main control chip U3, and the output end of the voltage stabilizing chip U1 is respectively grounded through the electrolytic capacitor C8, the capacitor C10 and the capacitor C5.
[0089] The voltage stabilizing module is used for providing stable power supply, so that the main control module can work stably.
[0090] In the description of the embodiments of the application, it should be explained that, in the description of the application, the terms indicating the direction or position relationship such as "inner" and "outer" are based on the direction or position relationship shown in the drawings, which is only for the convenience of description, and does not indicate or imply that the device or member must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the application.
[0091] In the description of the application, the description of the terms "one embodiment", "some embodiments", "in this embodiment", "specific example", or "some examples" and the like means that the specific features, mechanisms, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the application. In the description, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, mechanisms, materials or characteristics described can be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction.
[0092] The above description is merely a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can easily think of changes or replacements within the technical scope disclosed in the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. An electromagnetic circuit breaker, characterized by It includes a shell (1), the circuit board (2), relay K4 (3) and switch (4) are fixedly provided in the shell (1), the circuit board (2) is provided with a diode D3, the switch (4) includes button K3 and indicator lamp LP1; The first end of the button K3 and the first end (31) of the relay K4 contact are electrically connected with input power supply, the second end (32) of the relay K4 contact is electrically connected with the positive electrode of the diode D3 and the positive electrode of the indicator lamp LP1 respectively, the negative electrode of the diode D3 is electrically connected with the second end of the button K3, the negative electrode of the diode D3 is electrically connected with the power supply end of the winch controller, the negative electrode of the indicator lamp LP1 is grounded, the coil end of the relay K4 is electrically connected with the control end of the winch controller.
2. The electromagnetic circuit breaker of claim 1, wherein: A diode D7 is electrically connected between the negative electrode of the diode D3 and the second end of the button K3, the diode D7 is fixed on the circuit board (2), the second end of the button K3 is electrically connected with the positive electrode of the diode D7, the negative electrode of the diode D7 is electrically connected with the power supply end of the winch controller, and the negative electrode of the diode D3 is electrically connected with the negative electrode of the diode D7.
3. The electromagnetic circuit breaker of claim 1, wherein: The circuit board (2) is further provided with a triode Q3 and a resistor R3, and the coil end of the relay K4 includes a first coil end (33) of the relay K4 and a second coil end (34) of the relay K4; The first coil end (33) of the relay K4 is electrically connected with the collector of the triode Q3, the emitter of the triode Q3 is grounded, and the base of the triode Q3 is electrically connected with the control end of the winch controller through the resistor R3, and the second coil end (34) of the relay K4 is electrically connected with the negative electrode of the diode D3.
4. The electromagnetic circuit breaker of claim 3, wherein: The circuit board (2) is further provided with a diode D5, the first coil end (33) of the relay K4 is electrically connected with the positive electrode of the diode D5, and the negative electrode of the diode D5 is electrically connected with the second coil end (34) of the relay K4.
5. A winch based on the electromagnetic circuit breaker according to any one of claims 1 to 4, characterized in that It includes a main control module, a wireless remote control receiving module, a motor driving module and a winch motor, the wireless remote control receiving module and the motor driving module are electrically connected with the main control module, and the motor driving module is electrically connected with the winch motor. An electromagnetic circuit breaker is electrically connected between the power supply end of the main control module and the input power supply, the negative electrode of the diode D3 is electrically connected with the power supply end of the main control module, and the coil end of the relay K4 (3) is electrically connected with the control end of the main control module. After the button K3 is triggered, the main control module controls the relay K4 (3) to be closed and the wireless remote control receiving module to be powered, and at the same time, the main control module controls the motor driving module to drive the winch motor to rotate forward or reverse according to the signal received by the wireless remote control receiving module.
6. The electromagnetic-breaker-based capstan of claim 5, wherein: The motor driving module includes an intermediate relay K5, a motor reversing relay K6 and a motor reversing relay K7. The coil end of the intermediate relay K5 is connected in parallel across the indicator lamp LP1, and the coil end of the motor reversing relay K6 and the coil end of the motor reversing relay K7 are electrically connected with the control end of the main control module. The first end of the intermediate relay K5 contact is electrically connected with the input power supply, the common end of the motor reversing relay K6 contact is electrically connected with one end of the capstan motor MT1, the common end of the motor reversing relay K7 contact is electrically connected with the other end of the capstan motor MT1, the normally closed end of the motor reversing relay K6 contact and the normally closed end of the motor reversing relay K7 contact are grounded, and the normally open end of the motor reversing relay K6 contact and the normally open end of the motor reversing relay K7 contact are electrically connected with the second end of the intermediate relay K5 contact. The main control module controls the electric connection between the common end of the motor reversing relay K6 contact and the normally open end of the motor reversing relay K6 contact or the electric connection between the common end of the motor reversing relay K7 contact and the normally open end of the motor reversing relay K7 contact according to the signal received by the wireless remote control receiving module.
7. An electromagnetic circuit breaker based winch according to claim 6, characterised in that: The coil end of the motor reversing relay K6 is electrically connected with the control end of the main control module through the first coil power supply module, and the first coil power supply module comprises a transistor Q2 and a relay K1; the negative electrode of the diode D3 outputs the power supply VCC. The first end of the coil of the motor reversing relay K6 is grounded, the second end of the coil of the motor reversing relay K6 is electrically connected with the first end of the contact of the relay K1, the second end of the contact of the relay K1 is electrically connected with the positive electrode end of the indicator lamp LP1, the second end of the coil of the relay K1 is electrically connected with the power supply VCC, the first end of the coil of the relay K1 is electrically connected with the collector of the transistor Q2, the emitter of the transistor Q2 is grounded, and the base of the transistor Q2 is electrically connected with the control end of the main control module through the resistor R2.
8. The electromagnetic-breaker-based capstan of claim 7, wherein: The first end of the coil of the relay K1 is electrically connected with the positive electrode of the diode D2, and the negative electrode of the diode D2 is electrically connected with the second end of the coil of the relay K1.
9. The electromagnetic circuit breaker based capstan of claim 6, wherein: The coil end of the motor reversing relay K7 is electrically connected with the main control module through the second coil power supply module, and the second coil power supply module comprises a transistor Q1 and a relay K2; the negative electrode of the diode D3 outputs the power supply VCC. The first end of the coil of the motor reversing relay K7 is grounded, the second end of the coil of the motor reversing relay K7 is electrically connected with the first end of the contact of the relay K2, the second end of the contact of the relay K2 is electrically connected with one end of the indicator lamp LP1, the second end of the coil of the relay K2 is electrically connected with the power supply VCC, the first end of the coil of the relay K2 is electrically connected with the collector of the transistor Q1, the emitter of the transistor Q1 is grounded, and the base of the transistor Q1 is electrically connected with the control end of the main control module through the resistor R1.
10. The electromagnetic circuit breaker based winch of claim 9, wherein: The first end of the coil of the relay K2 is electrically connected with the positive electrode of the diode D1, and the negative electrode of the diode D1 is electrically connected with the second end of the coil of the relay K2.