Circuit breaker assembly for vehicle
By designing a vehicle-mounted circuit breaker assembly, which utilizes a time-delay circuit and a relay module to disconnect the battery connection before the electric vehicle starts, the problem of power depletion caused by self-consumption during the transportation of new energy vehicles is solved, achieving low-cost protection and environmental protection effects.
Patent Information
- Application Number
- CN202520728933.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-04-17
AI Technical Summary
During transportation, new energy vehicles experience battery depletion due to the self-discharge of electronic devices. Existing solutions result in waste of electricity and materials, as well as environmental pollution, necessitating a low-cost protection device.
Design a vehicle disconnector assembly, including a switch module, a control module, and a relay module. It disconnects the battery from electronic equipment before the vehicle starts by using a delay circuit and a relay drive circuit. Automatic power disconnection is achieved by using a sealed housing and connecting wires.
Disconnecting the power connection before the trolley starts protects the battery, prevents self-discharge, is easy to install, and reduces resource waste and environmental impact.
Smart Images

Figure CN223904896U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of cutout, especially to a cutout assembly for vehicle. BACKGROUND
[0002] With the increasing demand for new energy vehicle sales, its safety performance becomes an important concern in the electric car transaction. Among them, the battery feeding is a key factor, the automobile body has more electronic equipment, due to the long time transportation after the automobile is out of the factory, the electronic equipment of the automobile and the battery self-consumption power generation feeding lead to the new car unable to start, the current solution to this problem is to replace the battery directly, which not only causes the waste of electric power resources, but also the waste of material cost and the damage to the environment. Therefore, installing the intelligent protection device of the automobile battery is a low-cost solution to the battery feeding problem in transportation. SUMMARY
[0003] In view of the above existing deficiencies, the utility model provides a cutout for vehicle, provides intelligent protection, before the electric car starts, all electronic equipment and battery are in a complete disconnected state; protect the battery and avoid damage from self-consumption power of electronic equipment.
[0004] To achieve the above purpose, the embodiment of the utility model adopts the following technical scheme:
[0005] A cutout assembly for vehicle, including switch module, control module and relay module, the relay is connected with the control module through the relay module, the relay module includes delay circuit, relay drive circuit and relay, and the relay is configured to control the connection with the negative bus of the electric car battery before the electric car starts; The switch module is connected with the control module, the switch module includes switch button and switch detection circuit, and the switch button is configured to control the working state of the control module to control the on-off of the relay.
[0006] Further, the switch button is configured to turn on the power for several minutes and then turn off the power automatically.
[0007] Further, the switch detection circuit, the control module and the relay module are arranged in a sealed shell, and the connection line led out of the shell is connected with the positive and negative electrode connecting posts of the battery.
[0008] Further, one end of the led-out connection line is configured to be connected to the positive electrode connecting post of the battery with a fork-shaped terminal.
[0009] Further, one end of the led-out connection line is configured to be fixedly connected to the negative electrode connecting post of the battery with a fastening screw.
[0010] Through the above technical scheme, the application has the following advantages:
[0011] (1) Provide intelligent protection, before the trolleybus starts, cut off all electrical connections;
[0012] (2) Protect the battery from self-consumption with electronic devices;
[0013] (3) Easy to install and remove.
[0014] Other features and advantages of the present application will be set forth in the description that follows, and in part will become apparent to those skilled in the art upon examination of the following or can be learned by practice of the application. The objects and other advantages of the application can be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the related art, the following will briefly introduce the drawings needed to be used in the embodiments or related art description. Obviously, the drawings in the following description are only part of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of the provided drawings.
[0016] Figure 1 A schematic diagram of a power breaker for vehicle provided by the present application;
[0017] Figure 2 A driving module circuit schematic diagram of a relay provided by the present application. DETAILED DESCRIPTION
[0018] In order to make the purpose, technical scheme and advantages of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely in the following with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0019] The design idea of the embodiments of the present application will be briefly introduced in the following.
[0020] Embodiment one
[0021] As Figure 1As shown, a car power-off device includes a switch module, a control module and a relay module, the relay is connected with the control module through the relay module, the relay module includes a delay circuit, a relay drive circuit and a relay, and the relay is configured to control the connection of the electric car with the negative bus of the electric car storage battery before the electric car starts; the switch module is connected with the control module, the switch module includes a switch button and a switch detection circuit, and the switch button is configured to control the working state of the control module to control the on-off of the relay.
[0022] In the embodiment, as shown in the driving module of the relay, the relay coil is coupled to the negative bus of the electric car, and the on-off of the high-voltage loop of the relay coil is controlled through a switch; the input end receives the EN1 and EN2 enable signals in the drive circuit, and the logic signals of the drive enable are completed through an AND gate; and then the relay coil circuit is controlled. Figure 2
[0023] The switch detection circuit, the control module and the relay module are packaged in a sealed shell, and the connection line led out of the shell is connected with the switch button to control the switch state of the control circuit, and is connected with the positive and negative terminal posts of the storage battery, one end of which is connected to the positive terminal post of the storage battery through a fork-shaped terminal, and the other end is fixedly connected to the negative terminal post of the storage battery through a fastening screw.
[0024] When the switch button is pressed, the power supply function is turned on, and the electric car can enter the working state in any state.
[0025] Specifically, when the switch is pressed, the power-off device is turned on, the indicator light is turned on, and the car can be normally started; after the switch is powered on for 30 minutes, the power is automatically turned off to prevent forgetting to manually turn off the switch.
[0026] Compared with the prior art, the technical effects of the power-off device assembly of the present application are:
[0027] (1) Intelligent protection is provided, and all electrical connections are cut off before the electric car starts;
[0028] (2) The storage battery is protected to avoid self-consumption with electronic equipment;
[0029] (3) Easy to install and easy to disassemble.
[0030] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be covered in 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 electrical circuit breaker assembly for an automotive vehicle comprising a switch module, a control module and a relay module, characterized in that, The relay is connected with the control module through a relay module, the relay module comprises a delay circuit, a relay driving circuit and a relay, and the relay is configured to control the connection of the trolley before starting and the negative bus of the trolley battery; the switch module is connected with the control module, the switch module comprises a switch button and a switch detection circuit, and the switch button is configured to control the working state of the control module to control the on-off of the relay.
2. The automotive circuit breaker assembly of claim 1, wherein, The switch button is configured to automatically turn off the power after being turned on for several minutes.
3. The automotive circuit breaker assembly of claim 1, wherein, The switch detection circuit, the control module and the relay module are arranged in a sealed shell, and the connection lines led out of the shell are connected with the positive and negative electrode connecting posts of the battery.
4. The automotive circuit breaker assembly of claim 3, wherein, One end of the led-out connection line is configured to be connected with the positive electrode connecting post of the battery in the form of a fork-shaped terminal.
5. The automotive circuit breaker assembly of claim 3, wherein, One end of the led-out connection line is configured to be fixedly connected with the negative electrode connecting post of the battery in the form of a fastening screw.