Driving circuit, vehicle and electronic equipment

Abstract

The utility model relates to a driving circuit, a vehicle and electronic equipment, the driving circuit comprises a relay and a switch module, the working state of a coil of the relay is controlled through the electrified state of a normally-live wire end and the on-off state of the switch module, and the power supply state of a winch can be controlled through a normally-open contact of the relay. And compared with direct control of the power supply state of the winch, a human body is prevented from being in direct contact with a large-current circuit, so that the operation safety of the winch is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the winch technical field, especially to a driving circuit, a vehicle and an electronic device. BACKGROUND

[0002] The vehicle winch is a mechanical device installed on the vehicle, mainly used for vehicle self-help or rescue, helping the vehicle out of trouble.

[0003] However, the current in the line connected with the positive electrode of the winch during work is usually large, and artificially controlling the on-off of the line has safety risks. CONTENT OF THE INVENTION

[0004] The embodiments of the present application provide a driving circuit, a vehicle and an electronic device, which improve the safety of winch operation to at least partially solve the above technical problems.

[0005] In order to achieve the above-mentioned purpose, according to the first aspect of the present application, a driving circuit is provided, which comprises a relay and a switch module, the relay comprises a coil and a normally open contact, the first end of the coil is connected with a ground terminal, the first end of the normally open contact is connected with a normally hot terminal, and the second end of the normally open contact is connected with the positive electrode of the winch; the first end of the switch module is connected with the second end of the coil, and the second end of the switch module is connected with a control hot terminal.

[0006] According to the second aspect of the present application, a vehicle is further provided, which comprises the above-mentioned driving circuit.

[0007] According to the third aspect of the present application, an electronic device is further provided, which comprises the above-mentioned driving circuit.

[0008] The driving circuit, the vehicle and the electronic device of the embodiments of the present application control the working state of the coil of the relay through the electrified state of the normally hot terminal and the switch state of the switch module, and can control the power supply state of the winch through the normally open contact of the relay, compared with directly controlling the power supply state of the winch, avoiding the direct contact of the human body with the large current line, thereby providing the safety of winch operation.

[0009] Other features and advantages of the present application will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0010] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creating laborious work.

[0011] For a more complete understanding of the present application and the advantages thereof, reference is now made to the following descriptions taken in connection with the accompanying drawings in which like numbers represent like parts.

[0012] Figure 1 is a first principle diagram of a driving circuit provided in the exemplary embodiment of the present disclosure;

[0013] Figure 2 is a circuit principle diagram of a switch module provided in the exemplary embodiment of the present disclosure;

[0014] Figure 3 is a second principle diagram of a driving circuit provided in the exemplary embodiment of the present disclosure;

[0015] Figure 4 is a third principle diagram of a driving circuit provided in the exemplary embodiment of the present disclosure;

[0016] Figure 5 is a structural schematic diagram of a vehicle provided in the exemplary embodiment of the present disclosure;

[0017] Figure 6 is a first principle diagram of a vehicle provided in the exemplary embodiment of the present disclosure;

[0018] Figure 7 is a second principle diagram of a vehicle provided in the exemplary embodiment of the present disclosure;

[0019] Figure 8 is a structural schematic diagram of an electronic device provided in the exemplary embodiment of the present disclosure.

[0020] Explanation of reference signs:

[0021] 100, driving circuit;10, switch module;11, manual switch;20, delay control module;30, over-temperature protection module;

[0022] 200, vehicle;210, control box;211, circuit board;

[0023] 300, electronic device. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described in connection with 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 the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0025] The present application provides a driving circuit 100, please refer to Figures 1 to 8As shown in Figure 1 The driving circuit 100 includes a relay RLY and a switch module 10. The relay RLY includes a coil K1 and a normally open contact NO1. A first end of the coil K1 is connected to a ground terminal GND. A first end of the normally open contact NO1 is connected to a normally live terminal LD1. A second end of the normally open contact NO1 is connected to a positive terminal JA1 of the winch. A first end of the switch module 10 is connected to a second end of the coil K1. A second end of the switch module 10 is connected to a control live terminal CD1.

[0026] It can be understood that the driving circuit 100 according to the embodiments of the present application controls the working state of the coil K1 of the relay RLY through the live state of the normally live terminal LD1 and the switch state of the switch module 10, and controls the power supply state of the winch through the normally open contact NO1 of the relay RLY. Compared with directly controlling the power supply state of the winch, the human body is prevented from directly contacting the large-current line, thereby providing safety for the operation of the winch.

[0027] It should be noted that the normally live terminal LD1 refers to a connection terminal that continuously has a working voltage, and is irrelevant to whether the vehicle 200 is ignited. The control live terminal CD1 refers to a connection terminal that has a working voltage when the vehicle 200 is ignited, and does not have a working voltage when the vehicle 200 is not ignited.

[0028] When the switch module 10 is in the on state and the vehicle 200 is ignited, the control live terminal CD1 can supply power to the coil K1, so that the normally open contact NO1 is closed, and the working voltage of the normally live terminal LD1 can supply power to the positive terminal JA1 of the winch, so that the winch can work. When the switch module 10 is in the off state and / or the vehicle 200 is not ignited, the control live terminal CD1 cannot supply power to the coil K1, so that the normally open contact NO1 remains open, and the working voltage of the normally live terminal LD1 cannot supply power to the positive terminal JA1 of the winch, so that the winch can be controlled to stop working.

[0029] Optionally, as shown in Figure 2 The switch module 10 includes a manual switch 11. The manual switch 11 includes a first switch S1. A first end of the first switch S1 is connected to the second end of the coil K1. A second end of the first switch S1 is connected to the control live terminal CD1.

[0030] It should be noted that the switch module 10 can also be an automatic switch, such as a field effect tube or a transistor, etc. Considering that the winch is used less frequently, the manual switch 11 is used to control the power supply of the coil K1 in the embodiment.

[0031] In other embodiments, the first switch S1 is connected between the first end of the coil K1 and the ground terminal GND, so that the working state of the coil K1 can also be controlled.

[0032] Optionally, as shown in Figure 2 The manual switch 11 further includes a second switch S2 in series with the normally open contact NO1.

[0033] It should be noted that the second switch S2 can be linked with the first switch S1, and when the first switch S1 is in the on state, the second switch S2 is also in the on state; or when the first switch S1 is in the off state, the second switch S2 is also in the off state. In this way, the on-off state of the first switch S1 and the second switch S2 remains consistent, and when the first switch S1 is turned off, the second switch S2 can also be turned off to avoid safety risks caused by large current when the capstan is not operated.

[0034] Optionally, as shown in Figure 3 The drive circuit 100 further includes a delay control module 20 in series with the first switch S1, and the delay control module 20 is configured to start timing when the current flowing through the normally open contact NO1 is less than or equal to the current threshold, and when the timing time reaches the preset time length, the control coil K1 is switched from the power-on state to the power-off state.

[0035] It should be noted that when the current flowing through the normally open contact NO1 is less than or equal to the current threshold, it indicates that the capstan is in an idle state or an unused state, and the operator forgets to turn off the first switch S1. When the timing time reaches the preset time length, the control coil K1 is switched from the power-on state to the power-off state, so that the normally open contact NO1 is switched from the on state to the off state, realizing the function of delay automatic power-off, which is conducive to improving the safety of electricity.

[0036] Optionally, as shown in Figure 3 The delay control module 20 is connected between the control live end CD1 and the second end of the coil K1.

[0037] It should be noted that in the embodiment, when the timing time reaches the preset time length, the delay control module 20 disconnects the connection between the control live end CD1 and the second end of the coil K1, so as to control the coil K1 to switch from the power-on state to the power-off state. In some other embodiments, the delay control module 20 can also be connected between the first end of the coil K1 and the ground end GND, so that when the timing time reaches the preset time length, the delay control module 20 disconnects the connection between the first end of the coil K1 and the ground end GND, thereby controlling the coil K1 to switch from the power-on state to the power-off state.

[0038] Optionally, as shown in Figure 4As shown, the drive circuit 100 further comprises an over-temperature protection module 30 connected in series with the first switch S1, and configured to control the coil K1 to switch from the powered state to the unpowered state when the detected motor temperature of the capstan is greater than or equal to a preset temperature.

[0039] It should be noted that the over-temperature protection module 30 can comprise a temperature probe attached to the surface of the motor of the capstan to detect the temperature of the motor in real time. When the temperature of the capstan rises to the over-temperature protection threshold after long-term use, the over-temperature protection module 30 is triggered to disconnect the circuit in which it is located and stop supplying power to the coil K1, thereby protecting the safety of the motor of the capstan.

[0040] Optionally, as shown, the over-temperature protection module 30 is connected between the control live wire end CD1 and the second end of the coil K1. Figure 4

[0041] It should be noted that in this embodiment, when the over-temperature protection module 30 detects that the motor is overheated, it disconnects the connection between the control live wire end CD1 and the second end of the coil K1, thereby controlling the coil K1 to switch from the powered state to the unpowered state, the normally open contact NO1 is disconnected, the motor of the capstan is unpowered, and the motor of the capstan is protected. In other embodiments, the over-temperature protection module 30 is connected between the first end of the coil K1 and the ground end GND. In this embodiment, when the over-temperature protection module 30 detects that the motor is overheated, it disconnects the connection between the first end of the coil K1 and the ground end GND, thereby controlling the coil K1 to switch from the powered state to the unpowered state, the normally open contact NO1 is disconnected, the motor of the capstan is unpowered, and the motor of the capstan is protected.

[0042] In summary, the drive circuit 100 provided by the present application comprises multiple modes:

[0043] First mode: the vehicle 200 is in an unignited or unpowered state, and the control live wire end CD1 is not powered. At this time, if the manual switch 11 is artificially closed, the coil K1 is still not attracted, the normally open contact NO1 remains in the disconnected state, and the positive electrode JA1 of the capstan cannot be powered, so the capstan cannot be started, thereby protecting the starting battery or storage battery connected to the common live wire end LD1.

[0044] Second mode: the vehicle 200 is in an ignited or powered state, and the control live wire end CD1 is powered. When the capstan is not used, the manual switch 11 is disconnected, the coil K1 is not attracted, the normally open contact NO1 remains in the disconnected state, and the positive electrode JA1 of the capstan cannot be powered, so the capstan cannot be started.

[0045] Third mode: the vehicle 200 is in an ignited or powered state, and the control live wire end CD1 is powered. When the capstan is used, the manual switch 11 is closed, the coil K1 is powered and attracted, the normally open contact NO1 is closed, the positive electrode JA1 of the capstan is powered, and the capstan works.​

[0046] The embodiment of the present application also provides a vehicle 200, as shown in the figure, which comprises the driving circuit 100. Figure 5

[0047] It can be understood that, since the vehicle 200 of the embodiment of the present application comprises the driving circuit 100, the working state of the coil K1 of the relay RLY can be controlled by the electrified state of the normal fire wire end LD1 and the switch state of the switch module 10, and the power supply state of the winch can be controlled by the normally open contact NO1 of the relay RLY, compared with directly controlling the power supply state of the winch, the safety of winch operation is provided by avoiding direct contact of the human body with the large-current line.

[0048] Optionally, the vehicle 200 further comprises at least one of a starting battery and a storage battery, and the normal fire wire end LD1 is connected with the starting battery or the storage battery.

[0049] It should be noted that, since the winch has a very large power demand, neither the storage battery of the traditional fuel vehicle nor the starting battery of the new energy vehicle can support the long-time continuous use of the winch, so the vehicle 200 must be in an ignition state to continuously charge the storage battery or the starting battery by the generator or the power battery to meet the power demand of the winch. The storage battery of the fuel vehicle and the starting battery of the new energy vehicle are both normal power lines, and the normal fire wire end LD1 is electrified regardless of whether the vehicle 200 is started / powered on.

[0050] Compared with the traditional technology in which the winch is directly connected to the positive electrode of the storage battery or the starting battery, it is possible that the personnel uses the winch when the vehicle 200 is not started / powered on, and at this time, the battery power will be consumed in a short time, and the battery will be out of power.

[0051] The storage battery of the fuel vehicle is a lead-acid battery, which can be restored by charging after being out of power, and is a reversible damage. The starting battery of the new energy vehicle is a non-lead-acid battery (lithium iron phosphate or other types of lithium batteries), which will cause: 1. over-discharge damage, the battery is damaged or broken after the power is consumed; 2. the starting battery is in sleep mode when the vehicle 200 is not powered on, and the field effect tube is damaged by the instantaneous large current impact. Both of the above are irreversible damage, and the starting battery needs to be replaced.

[0052] If the vehicle 200 is stranded in the wild, the irreversible damage of the starting battery will cause the vehicle 200 to be completely stuck, and it cannot escape by itself, which will seriously affect the personal safety. Moreover, the cost of the starting battery of the new energy vehicle is higher than that of the lead-acid battery, and the replacement cost is high. In summary, the various schemes of the embodiment of the present application can effectively avoid the damage or breakage of the battery of the vehicle 200.

[0053] Optionally, as shown in the figure, Figure 6 and​Figure 7 As shown in the figure, the vehicle 200 further comprises a control box 210, the control box 210 is provided with a circuit board 211, the circuit board 211 is provided with a relay RLY.

[0054] It should be noted that the embodiment integrates the relay RLY in the circuit board 211, and the circuit board 211 is arranged in the control box 210, which is beneficial to improve the integration of each component in the vehicle 200, thereby reducing the occupied space, and is beneficial to realize the control of the winch.

[0055] Optionally, as shown in the figure, Figure 6 As shown in the figure, the vehicle 200 further comprises a front engine compartment, and the switch module 10 is arranged in the front engine compartment.

[0056] It should be noted that the embodiment arranges the switch module 10 in the front engine compartment, and the control box 210 is arranged in other space of the vehicle 200, which is beneficial to improve the convenience of operating the winch.

[0057] Optionally, as shown in the figure, Figure 7 As shown in the figure, the vehicle 200 further comprises a front engine compartment, and the circuit board 211 is further provided with the switch module 10, and the control box 210 is arranged in the front engine compartment.

[0058] It should be noted that the embodiment integrates the relay RLY and the switch module 10 in the circuit board 211, and the circuit board 211 is arranged in the control box 210, which is beneficial to improve the integration of each component in the vehicle 200, thereby reducing the occupied space, and is beneficial to realize the operation of the winch.

[0059] Optionally, as shown in the figure, Figure 6 And Figure 7 As shown in the figure, the circuit board 211 is further provided with at least one of a delay control module 20 and an over-temperature protection module 30.

[0060] It should be noted that the embodiment integrates the relay RLY, the delay control module 20 and the over-temperature protection module 30 in the circuit board 211, and the circuit board 211 is arranged in the control box 210, which is beneficial to improve the integration of each component in the vehicle 200, thereby reducing the occupied space, and is beneficial to realize the operation of the winch.

[0061] The embodiment of the application further provides an electronic device 300, which comprises the driving circuit 100.

[0062] It can be understood that, since the electronic device 300 of the embodiment of the present application comprises the driving circuit 100 described above, the working state of the coil K1 of the relay RLY can also be controlled by the electrified state of the normal fire line end LD1 and the switch state of the switch module 10, and the power supply state of the winch can be controlled by the normally open contact NO1 of the relay RLY, compared with directly controlling the power supply state of the winch, the safety of winch operation is provided by avoiding direct contact of the human body with the large current circuit.

[0063] In the description of the present application, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0064] In the above embodiments, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the related description of other embodiments.

[0065] The embodiments, implementation manners and related technical features of the present application can be combined or replaced with each other without conflict.

[0066] The above is only the preferred embodiment of the present application, and does not limit the present application in any form, but any simple modification, equivalent change and modification made according to the technical essence of the present application without departing from the technical solution content of the present application, all still belong to the scope of the technical solution of the present application.

Claims

1. A driving circuit, characterized in that, The driving circuit includes: A relay, comprising a coil and a normally open contact, wherein a first end of the coil is connected to a ground terminal, a first end of the normally open contact is connected to a normally live wire terminal, and a second end of the normally open contact is connected to the positive terminal of a winch. A switch module, wherein the first end of the switch module is connected to the second end of the coil, and the second end of the switch module is connected to the control live wire end.

2. The driving circuit according to claim 1, characterized in that, The switch module includes a manual switch, which includes a first switch. The first end of the first switch is connected to the second end of the coil, and the second end of the first switch is connected to the control live wire.

3. The driving circuit according to claim 2, characterized in that, The manual switch also includes a second switch, which is connected in series with the normally open contact.

4. The driving circuit according to claim 2, characterized in that, The driving circuit also includes a delay control module, which is connected in series with the first switch. The delay control module is configured to start timing when it detects that the current flowing through the normally open contact is less than or equal to a current threshold. When the timing reaches a preset duration, it controls the coil to switch from an energized state to an de-energized state.

5. The driving circuit according to claim 4, characterized in that, The delay control module is connected between the control fire wire end and the second end of the coil.

6. The driving circuit according to claim 4, characterized in that, The delay control module is connected between the first end of the coil and the grounding end.

7. The driving circuit according to claim 2 or 4, characterized in that, The drive circuit also includes an over-temperature protection module, which is connected in series with the first switch. The over-temperature protection module is configured to control the coil to switch from an energized state to an de-energized state when the detected motor temperature of the winch is greater than or equal to a preset temperature.

8. The driving circuit according to claim 7, characterized in that, The over-temperature protection module is connected between the control live wire and the second end of the coil; or, the over-temperature protection module is connected between the first end of the coil and the grounding end.

9. A vehicle, characterized in that, The vehicle includes the drive circuit according to any one of claims 1-8.

10. The vehicle according to claim 9, characterized in that, The vehicle also includes at least one of a starter battery and a storage battery, and the constant power terminal is connected to the starter battery or the storage battery.

11. The vehicle according to claim 9, characterized in that, The vehicle also includes a control box, which is equipped with a circuit board, and the circuit board is equipped with the relay.

12. The vehicle according to claim 11, characterized in that, The vehicle also includes a front engine compartment, the circuit board is further provided with the switch module, and the control box is located in the front engine compartment.

13. The vehicle according to claim 11, characterized in that, The vehicle also includes a front engine compartment, where the switch module is located.

14. The vehicle according to claim 11, characterized in that, The circuit board is also equipped with at least one of a delay control module and an over-temperature protection module.

15. An electronic device, characterized in that, The electronic device includes the driving circuit according to any one of claims 1-8.

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