Electronic clutch device

Abstract

The utility model provides an electronic clutch device which comprises a stroke detection encoder, a main control chip, a power switch circuit and an electromagnet coil, the stroke detection encoder is used for detecting the stepping stroke of a clutch pedal or a brake pedal, the main control chip is connected with the stroke detection encoder, and the power switch circuit is connected with the electromagnet coil. The signal input end of the power switch circuit is connected with the main control chip; one end of the electromagnet coil is connected with the signal output end of the power switch circuit, the other end of the electromagnet coil is grounded, when the power switch circuit is switched on, the electromagnet coil is powered on to generate magnetic force, the electromagnet coil conducts magnetic attraction limiting on the gear limiting push rod, and at the moment, a driver can switch gears. The electronic clutch device replaces an existing mechanical clutch zipper structure, operation is simple and flexible, and the technical effects of being simple in structure and saving space can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic circuits, in particular to an electronic clutch device. Background Art

[0002] During the driving process of a car, the clutch and the gear lever are operated to switch gears. Currently, the main method used is to use a mechanical clutch zipper to switch gears. This type of mechanical clutch zipper structure often has the problems of complex structure, large space occupation, and high maintenance and repair costs.

[0003] That is, how to provide an electronic clutch device to replace the mechanical clutch zipper to achieve the technical effect of simple structure and space saving is a technical problem that needs to be solved urgently in this field. Utility Model Content

[0004] In view of the above existing problems, the present invention aims to provide an electronic clutch device to at least solve at least one of the above technical problems.

[0005] In order to at least solve the above technical problems, the utility model provides an electronic clutch device, the device comprising:

[0006] A stroke detection encoder, wherein the stroke detection encoder is used to detect the pedal stroke of a clutch pedal or a brake pedal;

[0007] A main control chip, wherein the main control chip is connected to the stroke detection encoder;

[0008] A power switch circuit, wherein a signal input end of the power switch circuit is connected to the main control chip;

[0009] An electromagnet coil, one end of which is connected to the signal output end of the power switch circuit, and the other end of which is grounded. When the electromagnet coil is energized to generate magnetic force, the electromagnet coil magnetically limits the gear position limit push rod.

[0010] Preferably, the power switch circuit comprises:

[0011] Power supply VDD;

[0012] A field effect transistor Q1, wherein the source of the field effect transistor Q1 is connected to the power supply VDD, and the drain of the field effect transistor Q1 is the signal output end of the power switch circuit;

[0013] A first resistor R1, wherein the first resistor R1 is connected in parallel between the source and the gate of the field effect transistor Q1;

[0014] a second resistor R2, one end of which is connected to the gate of the field effect transistor Q1;

[0015] A transistor Q2, wherein the collector of the transistor Q2 is connected to the other end of the second resistor R2, and the emitter of the transistor Q2 is grounded;

[0016] a third resistor R3, one end of the third resistor R3 is connected to the base of the transistor Q2, and the other end of the third resistor R3 is a signal input end of the power switch circuit;

[0017] A fourth resistor R4, one end of the fourth resistor R4 is connected to the base of the transistor Q2, and the other end of the fourth resistor R4 is grounded.

[0018] Preferably, the supply voltage of the power supply VDD is 12V.

[0019] Preferably, the device further comprises:

[0020] RS485 transceiver and a first connector, the stroke detection encoder is connected to the signal of the main control chip through the RS485 transceiver and the first connector in sequence.

[0021] Preferably, the device further comprises:

[0022] A second connector is connected between a signal output end of the power switch circuit and one end of the electromagnet coil.

[0023] Preferably, the model of the main control chip is: STM32F103RCT6.

[0024] Preferably, the field effect tube Q1 is a PMOS tube, and the model of the PMOS tube is: HSU70P06.

[0025] Preferably, the transistor Q2 is an NPN transistor, and the model of the NPN transistor is: S9013.

[0026] Preferably, the model of the first connector is: CON8-TE_1376350-2;

[0027] The model of the second connector is: G212R-THR-3.5-06P.

[0028] Preferably, the resistance of the first resistor R1 is 51KΩ;

[0029] The resistance of the second resistor R2 is 10KΩ;

[0030] The resistance of the third resistor R3 is 1KΩ;

[0031] The resistance of the fourth resistor R4 is 10KΩ.

[0032] Beneficial effects:

[0033] The utility model provides an electronic clutch device, which includes a stroke detection encoder, a main control chip, a power switch circuit and an electromagnet coil. The stroke detection encoder is used to detect the pedal stroke of a clutch pedal or a brake pedal. The main control chip is connected to the stroke detection encoder, and the signal input end of the power switch circuit is connected to the main control chip; one end of the electromagnet coil is connected to the signal output end of the power switch circuit, and the other end of the electromagnet coil is grounded. When the driver steps on the clutch pedal or the brake pedal, the stroke detection encoder detects a change in the pedal stroke. At this time, the power switch circuit is connected, the electromagnet coil is energized to generate magnetic force, and the electromagnet coil performs magnetic attraction and limit on the gear limit push rod, and the driver can switch the gear at this time; when the driver releases the clutch pedal or the brake pedal, the stroke detection encoder cannot detect the change in the pedal stroke. At this time, the power switch circuit is disconnected, the electromagnet coil is not energized and has no magnetic force, and the gear limit push rod does not move in a limited manner, which is used to limit the gear switch, and the driver cannot switch the gear at this time. The electronic clutch device provided by the utility model replaces the existing mechanical clutch zipper structure, is simple and flexible to operate, and can achieve the technical effect of simple structure and space saving.

[0034] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the embodiments of this specification or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0036] Figure 1 A schematic diagram of the connection of the electronic clutch device provided in Example 1;

[0037] Figure 2 A schematic diagram of the structure of a power switch circuit provided in Example 1;

[0038] Figure 3 A schematic diagram of the circuit structure of the first connector provided in Example 1;

[0039] Figure 4 This is a schematic diagram of the circuit structure of the second connector provided in Example 1. DETAILED DESCRIPTION

[0040] The following will combine the drawings in the embodiments of this specification to clearly and completely describe the technical solutions in the embodiments of this specification. Obviously, the described embodiments are only part of the embodiments of this specification, not all of the embodiments. Based on the embodiments in this specification, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of this utility model; the "and / or" keyword involved in this implementation represents both and, or. In other words, A and / or B mentioned in the embodiments of this specification represent both A and B, and A or B, and describe the three states of A and B. For example, A and / or B means: only A is included but not B; only B is included but not A; A and B are included.

[0041] Meanwhile, in the embodiments of this specification, when a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be a central component at the same time. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a central component at the same time.

[0042] The following is an explanation of the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention.

[0043] Embodiment 1

[0044] See also Figure 1-4 , this embodiment 1 provides an electronic clutch device, which includes a stroke detection encoder, a main control chip, a power switch circuit and an electromagnet coil. The stroke detection encoder is used to detect the pedal stroke of a clutch pedal or a brake pedal; the main control chip is connected to the stroke detection encoder; the signal input end of the power switch circuit is connected to the main control chip; one end of the electromagnet coil is connected to the signal output end of the power switch circuit, and the other end of the electromagnet coil is grounded. When the electromagnet coil is energized to generate magnetic force, the electromagnet coil magnetically limits the gear limit push rod.

[0045] The embodiment of the utility model provides an electronic clutch device, which includes a stroke detection encoder, a main control chip, a power switch circuit and an electromagnet coil. The stroke detection encoder is used to detect the pedal stroke of a clutch pedal or a brake pedal. The main control chip is connected to the stroke detection encoder, and the signal input end of the power switch circuit is connected to the main control chip; one end of the electromagnet coil is connected to the signal output end of the power switch circuit, and the other end of the electromagnet coil is grounded. When the driver steps on the clutch pedal or the brake pedal, the stroke detection encoder detects a change in the pedal stroke. At this time, the power switch circuit is connected, the electromagnet coil is energized to generate magnetic force, and the electromagnet coil magnetically limits the gear limit push rod, and the driver can switch the gear at this time; when the driver releases the clutch pedal or the brake pedal, the stroke detection encoder cannot detect the change in the pedal stroke. At this time, the power switch circuit is disconnected, the electromagnet coil is not energized and has no magnetic force, and the gear limit push rod does not move in a limited manner, which is used to limit the gear switch, and the driver cannot switch the gear at this time. The electronic clutch device provided in the embodiment of the utility model replaces the existing mechanical clutch zipper structure, is simple and flexible to operate, and can achieve the technical effects of simple structure and space saving.

[0046] As a feasible manner, the signal sending end of the main control chip can be connected to the signal receiving end of the stroke detection encoder, and the signal receiving end of the main control chip can be connected to the signal sending end of the stroke detection encoder.

[0047] In a possible implementation, the power switch circuit includes a power supply VDD, a field effect transistor Q1, a first resistor R1, a second resistor R2, a transistor Q2, a third resistor R3 and a fourth resistor R4, wherein the source of the field effect transistor Q1 is connected to the power supply VDD, and the drain of the field effect transistor Q1 is the signal output end of the power switch circuit; the first resistor R1 is connected in parallel between the source and the gate of the field effect transistor Q1; one end of the second resistor R2 is connected to the gate of the field effect transistor Q1; the collector of the transistor Q2 is connected to the other end of the second resistor R2, and the emitter of the transistor Q2 is grounded; one end of the third resistor R3 is connected to the base of the transistor Q2, and the other end of the third resistor R3 is the signal input end of the power switch circuit; one end of the fourth resistor R4 is connected to the base of the transistor Q2, and the other end of the fourth resistor R4 is grounded.

[0048] In a possible implementation manner, the field effect transistor Q1 is a PMOS transistor, and the model of the PMOS transistor is: HSU70P06.

[0049] In a possible implementation manner, the transistor Q2 is an NPN transistor, and the model of the NPN transistor is: S9013.

[0050] In a possible implementation manner, the resistance value of the first resistor R1 is 51KΩ; the resistance value of the second resistor R2 is 10KΩ; the resistance value of the third resistor R3 is 1KΩ; and the resistance value of the fourth resistor R4 is 10KΩ.

[0051] Specifically, as follows Figure 2-4 After the circuit is connected as shown, the signal output terminal of the main control chip can be connected to the signal input terminal of the power switch circuit (such as Figure 2 The signal output terminal of the power switch circuit (such as Figure 2 The 12V_OUT1 terminal in the circuit is connected to one end of the electromagnet coil, wherein the electromagnet coil generates magnetic force when energized and has no magnetic force when not energized. When the signal output terminal of the main control chip outputs a high level, the transistor Q2 is turned on, thereby pulling down the gate level of the field effect tube Q1, so that the field effect tube Q1 is turned on, and the power supply VDD can directly supply power to the electromagnet coil, so that the electromagnet coil generates magnetic force to magnetically limit the gear limit push rod. When the gear limit push rod is magnetically limited, the gear can be switched; and when the signal output terminal of the main control chip outputs a low level, the transistor Q2 and the field effect tube Q1 are not turned on. At this time, the power supply VDD cannot supply power to the electromagnet coil, so that the electromagnet coil has no magnetic force and cannot magnetically limit the gear limit push rod. When the gear limit push rod is not magnetically limited, the gear cannot be switched.

[0052] The embodiments of the present application can be applied to manual transmission vehicles and automatic transmission vehicles. Manual transmission vehicles contain a clutch, so when the clutch pedal is pressed, the pedal stroke of the clutch pedal can be detected by a stroke detection encoder, and in automatic transmission vehicles, the pedal stroke of the brake pedal can be detected by a stroke detection encoder, thereby realizing the magnetic limit of the gear limit push rod.

[0053] In a possible implementation manner, the supply voltage of the power supply VDD is 12V.

[0054] In a possible implementation manner, the device further includes an RS485 transceiver and a first connector J1, and the stroke detection encoder is connected to the main control chip via the RS485 transceiver and the first connector J1 in sequence.

[0055] In a possible implementation manner, the device further includes a second connector J2, and the second connector J2 is connected between a signal output terminal (12V_OUT1) of the power switch circuit and one end of the electromagnet coil.

[0056] In a possible implementation manner, the model of the main control chip is: STM32F103RCT6.

[0057] In a possible implementation, the model of the first connector J1 is: CON8-TE_1376350-2; the model of the second connector J2 is: G212R-THR-3.5-06P, so that data conversion and transmission between the main control chip and the stroke detection encoder can be realized through the corresponding model of the first connector J1, and the signal transmission between the power switch circuit and the electromagnet coil can be realized through the corresponding model of the second connector J2, and the communication between the main control chip and the stroke detection encoder is made more stable and reliable by setting an RS485 transceiver.

[0058] Specifically, Figure 4 As shown, the 4 / 4A pin of the second connector J2 is connected to the other end of the electromagnet coil and grounded, and the 5 / 5A pin of the second connector J2 is used to connect one end of the electromagnet coil to the signal output end (12V_OUT1) of the power switch circuit to achieve data communication between the electromagnet coil and the power switch circuit. Figure 3 As shown, the corresponding pins of the stroke detection encoder are connected to the signal sending end (pin 51 of the main control chip / RS485_TX) and the signal receiving end (pin 52 of the main control chip / RS485_RX) of the main control chip through the 4th pin (RS485_B) of the first connector J1 and the 5th pin (RS485_A) of the first connector J1, thereby realizing data communication between the stroke detection encoder and the main control chip.

[0059] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of the present specification are only used to match the contents disclosed in the specification for people familiar with the technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present utility model, so they have no substantial technical significance. Any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the present utility model, should still fall within the scope of the technical contents disclosed by the present utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in the present specification are only for the convenience of description, and are not used to limit the scope of the implementation of the present utility model. The change or adjustment of the relative relationship, without substantial change of the technical contents, should also be regarded as the scope of the implementation of the present utility model.

[0060] The above is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technician familiar with this profession can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. An electronic clutch device, characterized in that: The device comprises: A stroke detection encoder, wherein the stroke detection encoder is used to detect the pedal stroke of a clutch pedal or a brake pedal; A main control chip, wherein the main control chip is connected to the stroke detection encoder; A power switch circuit, wherein a signal input end of the power switch circuit is connected to the main control chip; An electromagnet coil, one end of which is connected to the signal output end of the power switch circuit, and the other end of which is grounded. When the electromagnet coil is energized to generate magnetic force, the electromagnet coil magnetically limits the gear position limit push rod.

2. The electronic clutch device according to claim 1, characterized in that: The power switch circuit comprises: power supply; A field effect transistor, wherein the source of the field effect transistor is connected to the power supply, and the drain of the field effect transistor is the signal output end of the power switch circuit; A first resistor, wherein the first resistor is connected in parallel between the source and the gate of the field effect tube; a second resistor, one end of which is connected to the gate of the field effect transistor; A triode, wherein the collector of the triode is connected to the other end of the second resistor, and the emitter of the triode is grounded; a third resistor, one end of the third resistor being connected to the base of the transistor, and the other end of the third resistor being a signal input end of the power switch circuit; A fourth resistor, one end of the fourth resistor is connected to the base of the transistor, and the other end of the fourth resistor is grounded.

3. The electronic clutch device according to claim 2, characterized in that: The power supply voltage of the power supply is 12V.

4. The electronic clutch device according to claim 3, characterized in that: The device also includes: RS485 transceiver and a first connector, the travel detection encoder is connected to the main control chip via the RS485 transceiver and the first connector in sequence.

5. The electronic clutch device according to claim 4, characterized in that: The device also includes: A second connector is connected between a signal output end of the power switch circuit and one end of the electromagnet coil.

6. The electronic clutch device according to claim 5, characterized in that: The model of the main control chip is: STM32F103RCT6.

7. The electronic clutch device according to claim 6, characterized in that: The field effect tube is a PMOS tube, and the model of the PMOS tube is: HSU70P06.

8. The electronic clutch device according to claim 7, characterized in that: The transistor is an NPN transistor, and the model of the NPN transistor is: S9013.

9. The electronic clutch device according to claim 8, characterized in that: The model of the first connector is: CON8-TE_1376350-2; The model of the second connector is: G212R-THR-3.5-06P.

10. The electronic clutch device according to claim 9, characterized in that: The resistance of the first resistor is 51KΩ; The resistance of the second resistor is 10KΩ; The resistance of the third resistor is 1KΩ; The resistance of the fourth resistor is 10KΩ.

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