Protection device used for being installed between vehicle storage battery and vehicle
By installing a protective device between the vehicle battery and the vehicle, and using diode control switches to convert the positive and negative electrodes of the battery, the damage caused by the reverse connection of the positive and negative electrodes during the equipment installation process is solved, the installation speed and maintenance efficiency are improved, and the cost is saved.
Patent Information
- Application Number
- CN202510218831.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2025-05-13
AI Technical Summary
During the equipment installation process, abnormal connection between the positive and negative poles of the battery occurs, resulting in irreversible damage to the wiring harness, starter, computer board ECU, generator and other equipment, causing maintenance difficulties and high costs.
A protective device is designed for the vehicle battery and the vehicle middle, and the switch or contactor coil is controlled by diode one-way conductivity control to realize the positive and negative electrode conversion of the battery to ensure that the equipment is powered up correctly.
Through this device, the battery installation speed is improved, maintenance costs are saved, equipment damage caused by wrong installation is reduced, and maintenance efficiency of repair workers is improved.
Smart Images

Figure CN119994828A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of charging protection devices, and in particular to a protection device for being installed between a vehicle battery and a vehicle. Background Art
[0002] Equipment is becoming more intelligent and information-based, and it is becoming easier to use but more difficult to maintain. Repairing new equipment is a big challenge for repairmen. According to the collected data, equipment damage caused by operators' incorrect installation of batteries accounts for 15% of equipment damage. In recent years, our unit has had more than 10 equipment failures due to incorrect installation of batteries. 4 wiring harnesses, 3 generators, 2 ECUs (on-board computers, and 2 starters were damaged.
[0003] For equipment equipped with batteries, connecting the positive and negative poles in reverse will cause irreversible damage to the wiring harness, starter, computer board ECU, generator and other equipment.
[0004] In order to reduce the damage caused by reverse connection of the positive and negative poles of the battery during charging, a protective device for installation between the vehicle battery and the vehicle is urgently needed to be disclosed. Summary of the invention
[0005] In order to solve the above technical problems, the technical solution provided by the present invention is: a protection device for being installed between a vehicle battery and a vehicle, comprising vehicle equipment and a battery, a battery blind connection protection device is connected between the vehicle equipment and the battery, the battery blind connection protection device comprises control switch 1, control switch 2, control switch 3, diode 1 and diode 2, the diode 1 and diode 2 are used to be electrically connected to the battery, the control switch 1 and control switch 3 are connected in series with the diode 1, the control switch 3 is connected in series with the diode 2, the control switch 1, control switch 2 and control switch 3 are used to be electrically connected to the vehicle equipment.
[0006] Furthermore, the positive pole of the diode 1 is electrically connected to the positive pole of the battery, and its negative pole is used to electrically connect to control switch 1 and control switch 3; the positive pole of the diode 2 is electrically connected to the negative pole of the battery, and its negative pole is used to electrically connect to control switch 2.
[0007] Furthermore, the positive pole of the diode 1 is electrically connected to the negative pole of the battery, and its negative pole is used to be electrically connected to control switch 1 and control switch 3; the positive pole of the diode 2 is electrically connected to the positive pole of the battery, and its negative pole is used to be electrically connected to control switch 2.
[0008] Furthermore, a light emitting diode is arranged between the positive pole and the negative pole of the vehicle equipment, and when the vehicle equipment is powered on normally, the light emitting diode lights up.
[0009] The advantages of the invention compared with the prior art are: The present invention uses the unidirectional conductivity of the diode to control the switch or contactor coil to achieve the conversion of the positive and negative poles of the battery, ensuring that the equipment is correctly powered on. The battery blind connection protection device is conducive to improving the speed of installing the battery, saving maintenance costs, and reducing the occurrence of equipment damage caused by incorrect battery installation. It can reduce the workload of repairmen to a certain extent, improve the repairman's maintenance efficiency, and save maintenance costs.
[0010] The present invention has a battery blind connection protection device connected between the vehicle equipment and the battery. Through the above device, the positive and negative poles of the battery installed at will and input to the equipment can always meet the requirements of the vehicle equipment.
[0011] The battery blind connection protection device of the present invention is not only applicable to general vehicle equipment, but also applicable to all equipment and machines that need to install batteries. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 A schematic diagram of a module of a protection device for installation between a vehicle battery and a vehicle according to the present invention; Figure 2 It is a structural schematic diagram of a battery blind connection protection device; Figure 3 It is a structural schematic diagram of embodiment 1; Figure 4 It is a structural schematic diagram of the second embodiment; Figure 5 This is a schematic diagram of the structure of Embodiment 3; Figure 6 It is a structural schematic diagram of Embodiment 4; Figure 7 This is a schematic diagram of the structure of Embodiment 5; Figure 8 This is a structural diagram of Embodiment 6; Fig. 9 This is a structural diagram of Embodiment 7; Fig.10 This is a structural diagram of Embodiment 8.
[0013] Among them, 1. Vehicle equipment, 2. Battery, 3. Control switch 1, 4. Control switch 2, 5. Control switch 3, 6. Diode 1, 7. Diode 2, 8. Light emitting diode. DETAILED DESCRIPTION
[0014] The present invention is further described in detail below in conjunction with the accompanying drawings.
[0015] The present invention is described in detail with reference to the accompanying drawings.
[0016] The present invention provides a protection device for installation between a vehicle battery and a vehicle in a specific implementation, including a vehicle equipment 1 and a battery 2, wherein a battery blind connection protection device is connected between the vehicle equipment 1 and the battery 2, wherein the battery blind connection protection device includes a control switch 1 3, a control switch 2 4, a control switch 3 5, a diode 1 6 and a diode 2 7, wherein the diode 1 6 and the diode 2 7 are used to be electrically connected to the battery, wherein the control switch 1 3, the control switch 3 5 are connected in series with the diode 1 6, wherein the control switch 3 5 is connected in series with the diode 2 7, and wherein the control switch 1 3, the control switch 2 4 and the control switch 3 5 are used to be electrically connected to the vehicle equipment 1.
[0017] As a further explanation of the present invention, the positive pole of the diode 1 6 is electrically connected to the positive pole of the battery, and its negative pole is used to be electrically connected to the control switch 1 3 and the control switch 3 5. The positive pole of the diode 2 7 is electrically connected to the negative pole of the battery, and its negative pole is used to be electrically connected to the control switch 2 4.
[0018] As a further explanation of the present invention, the positive pole of the diode 1 6 is electrically connected to the negative pole of the battery, and its negative pole is used to be electrically connected to the control switch 1 3 and the control switch 3 5. The positive pole of the diode 2 7 is electrically connected to the positive pole of the battery, and its negative pole is used to be electrically connected to the control switch 2 4.
[0019] As a further elaboration of the present invention, a light emitting diode 8 is arranged between the positive pole and the negative pole of the vehicle equipment 1 , and the light emitting diode lights up when the vehicle equipment 1 is normally powered on.
[0020] As a further elaboration of the present invention, the control switch 1 3 , the control switch 2 4 , and the control switch 3 5 have the same structure, and the control switch 1 3 is one of a relay or a contactor coil. Example
[0021] When the battery is connected with negative on the left and positive on the right, Figure 3 As shown, control switch 1 3, control switch 2 4, and control switch 3 5 are relays; in this embodiment, diode 1 and diode 2 are both in normal state.
[0022] The relay coils in control switch 1 3 and control switch 3 5 are in a disconnected state because diode 1 6 is not energized, and the negative pole of battery 2 is connected to the negative pole of vehicle equipment 1.
[0023] The relay coil in the control switch 24 is energized by the diode 27, the relay coil in the control switch 24 is attracted, and the positive electrode of the battery 2 is connected to the positive electrode of the vehicle equipment 1.
[0024] In this embodiment, the light emitting diode 8 lights up, and the vehicle equipment 1 is powered on normally. Example
[0025] When the battery is connected with positive on the left and negative on the right, Figure 4 As shown, control switch 1 3, control switch 2 4, and control switch 3 5 are relays; in this embodiment, diode 1 and diode 2 are both normal: The relay coils in the control switch 1 3 and the control switch 3 5 are energized by the diode 1 6 , the relay coils in the control switch 1 3 and the control switch 3 5 are attracted and are in working state, and the positive pole of the battery 2 is connected to the positive pole of the vehicle equipment 1 .
[0026] The relay coil in the control switch 2 4 is in a disconnected state because the diode 2 7 is not energized, and the negative electrode of the battery 2 is connected to the negative electrode of the vehicle equipment 1 through the control switch 3 5, that is, the relay.
[0027] In this embodiment, the light emitting diode 8 lights up, and the vehicle equipment 1 is powered on normally. Example
[0028] When the battery is connected, the left side is positive and the right side is negative, the diode 27 is normal, and the diode 16 is damaged and breaks down. Figure 5 : The relay coils in control switch 1 3 and control switch 3 5 are not energized because diode 1 6 is damaged, the relays in control switch 1 3 and control switch 3 5 are in the disconnected state, and the positive pole of battery 2 is connected to the negative pole line of vehicle equipment 1.
[0029] The relay coil in the control switch 2 4 is not energized because the diode 2 7 is not energized, and the relay in the control switch 2 4 is in an off state, but the negative pole cannot be connected to the positive pole of the vehicle equipment 1 through the relay 3 .
[0030] In this embodiment, the light emitting diode 8 is not lit, the vehicle equipment 1 cannot be powered on normally, and the vehicle equipment 1 is safe. Example
[0031] When the battery is connected, the left side is positive and the right side is negative, the diode 16 is normal, and the diode 27 is damaged and breaks down. Figure 6 : The relay coils in the control switch 1 3 and the control switch 3 5 are energized by the diode 1 6 , the relays in the control switch 1 3 and the control switch 3 5 are in the absorbing working state, and the positive pole of the battery 2 is connected to the positive pole of the vehicle equipment 1 .
[0032] The relay coil in the control switch 24 is not energized because the diode 27 is not energized, the control switch 24 relay is in the disconnected state, and the negative electrode of the battery 2 is connected to the negative electrode of the vehicle equipment 1 through the control switch 3 5 relay.
[0033] In this embodiment, the light emitting diode 8 lights up, and the vehicle equipment 1 is powered on normally. Example
[0034] When the left side of the battery is positive and the right side is negative, both diode 1 6 and diode 2 7 are in a state of breakdown damage. Figure 7 : The relay coils in control switch 1 3 and control switch 3 5 are not energized because diode 1 6 is damaged, the relay coils in control switch 1 3 and control switch 3 5 are in a disconnected state, and the positive pole of battery 2 is connected to the negative pole cable of vehicle equipment 1.
[0035] The relay coil in the control switch 2 4 is in a disconnected state because the diode 2 7 is not energized, and the negative pole of the battery 2 cannot be connected to the negative pole of the vehicle equipment 1 through the relay coil of the control switch 3 5 .
[0036] In this embodiment, the light emitting diode 8 is not lit, the vehicle equipment 1 cannot be powered on normally, and the vehicle equipment 1 is safe. Example
[0037] When the battery is connected, the left side is negative and the right side is positive, the diode 27 is normal, and the diode 16 is damaged and breaks down. Figure 8 : The relay coils in control switch 1 3 and control switch 3 5 are not energized because diode 1 6 is damaged, the relay coils in control switch 1 3 and control switch 3 5 are in a disconnected state, and the negative pole of battery 2 is connected to the negative pole cable of vehicle equipment 1.
[0038] The relay coil in the control switch 24 is energized by the diode 27, the relay coil of the control switch 24 is in the absorbing working state, and the positive electrode of the battery 2 is connected to the positive electrode of the vehicle equipment 1.
[0039] In this embodiment, the light emitting diode 8 lights up, and the vehicle equipment 1 is powered on normally. Example
[0040] When the battery is connected, the left side is negative and the right side is positive, the diode 16 is normal, and the diode 27 is damaged and breaks down. Fig. 9 : The relay coils in control switch 1 3 and control switch 3 5 are in a disconnected state because diode 1 6 is not energized, and the negative pole of battery 3 is connected to the negative pole cable of vehicle equipment 1 .
[0041] The relay coil of control switch 24 is not energized because diode 27 is damaged, the relay coil of control switch 24 is in a disconnected state, and the positive pole of battery 2 cannot pass through the relay coil of control switch 3 5 to the positive pole cable of vehicle equipment 1.
[0042] In this example, the light emitting diode 8 is not lit, the vehicle equipment 1 cannot be powered on normally, and the vehicle equipment 1 is safe. Example
[0043] When the left side of the battery is negative and the right side is positive, both diode 1 6 and diode 2 7 are damaged and broken down. Fig.10 : The relay coils in control switch 1 3 and control switch 3 5 are in a disconnected state because diode 1 6 is not energized, and the negative pole of battery 2 is connected to the negative pole cable of vehicle equipment 1.
[0044] The control switch 24 relay coil is not energized because the diode 2 is damaged, and the control switch 24 relay 2 is in the disconnected state, but the positive pole of the battery 2 cannot pass through the relay 3 to the positive pole cable of the equipment.
[0045] In this embodiment, the light emitting diode 8 is not lit, the vehicle equipment 1 cannot be powered on normally, and the vehicle equipment 1 is safe.
[0046] The above-mentioned embodiments 1 to 8 show that no matter whether diode 1 and diode 2 are in a breakdown damage state, the vehicle equipment remains in a safe state and will not cause damage to the vehicle equipment.
[0047] The present invention and its embodiments are described above, and such description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it, without departing from the purpose of the invention, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the present invention.
Claims
1. A protective device for installation between a vehicle battery and a vehicle, comprising vehicle equipment (1) and a battery (2), characterized in that: A battery blind connection protection device is connected between the vehicle equipment (1) and the battery (2), and the battery blind connection protection device comprises a control switch 1 (3), a control switch 2 (4), a control switch 3 (5), a diode 1 (6) and a diode 2 (7), wherein the diode 1 (6) and the diode 2 (7) are used to be electrically connected to the battery, the control switch 1 (3), the control switch 3 (5) are connected in series with the diode 1 (6), the control switch 3 (5) is connected in series with the diode 2 (7), and the control switch 1 (3), the control switch 2 (4) and the control switch 3 (5) are used to be electrically connected to the vehicle equipment (1).
2. A protective device for installation between a vehicle battery and a vehicle according to claim 1, characterized in that: The positive electrode of the diode 1 (6) is electrically connected to the positive electrode of the battery, and the negative electrode thereof is used to electrically connect to the control switch 1 (3) and the control switch 3 (5). The positive electrode of the diode 2 (7) is electrically connected to the negative electrode of the battery, and the negative electrode thereof is used to electrically connect to the control switch 2 (4).
3. A protective device for installation between a vehicle battery and a vehicle according to claim 1, characterized in that: The positive electrode of the diode 1 (6) is electrically connected to the negative electrode of the battery, and the negative electrode thereof is used to be electrically connected to the control switch 1 (3) and the control switch 3 (5). The positive electrode of the diode 2 (7) is electrically connected to the positive electrode of the battery, and the negative electrode thereof is used to be electrically connected to the control switch 2 (4).
4. A protective device for installation between a vehicle battery and a vehicle according to claim 1, characterized in that: A light emitting diode is arranged between the positive pole and the negative pole of the vehicle equipment (1), and when the vehicle equipment (1) is powered on normally, the light emitting diode lights up.
5. A protective device for installation between a vehicle battery and a vehicle according to claim 1, characterized in that: The control switch 1 (3), the control switch 2 (4) and the control switch 3 (5) have the same structure, and the control switch 1 (3) is a relay or a contactor coil.