Circuit for preventing door from being opened by mistaken touch

Abstract

The utility model relates to the technical field of automatic vehicle doors, in particular to a mistaken touch door opening prevention circuit which comprises an air source, an electromagnetic valve, a door pump and a power source, the door pump is used for controlling opening and closing of a vehicle door, and a control circuit is arranged between the power source and the electromagnetic valve and comprises a main circuit, a door opening circuit and a door closing circuit. The door opening circuit is connected with a door opening magnetic head of the electromagnetic valve, the door closing circuit is connected with a door closing magnetic head of the electromagnetic valve, the main circuit is connected with a power source and provided with a rocker switch, and the rocker switch can control the main circuit to be communicated with the door opening circuit or the door closing circuit and is connected with an anti-pinch circuit. The anti-pinch circuit is connected with a door opening magnetic head of the electromagnetic valve, the anti-pinch circuit is provided with a step lamp travel switch and an anti-pinch travel switch, the step lamp travel switch is connected with the anti-pinch travel switch in series, after the automobile door is completely closed, the step lamp travel switch is in an open state, and the effect of preventing the automobile door from being opened due to mistaken touch or short circuit of the anti-pinch switch is achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automatic vehicle door, in particular to a kind of anti-misoperation opening door circuit. BACKGROUND

[0002] When vehicle is running at high speed after door is closed, if anti-pinch switch is misoperated or short-circuited, opening signal is fed back to door electromagnetic valve, and electromagnetic valve will appear reversing action to make door open, which will cause great safety hazard. CONTENT OF THE UTILITY MODEL

[0003] The present application provides a kind of anti-misoperation opening door circuit to prevent door from opening due to misoperation or anti-pinch switch short-circuit.

[0004] The above technical purpose of the present application is realized by the following technical scheme:

[0005] A kind of anti-misoperation opening door circuit, including air source, electromagnetic valve, door pump and power supply, door pump is used to control the opening and closing of door, door pump is connected with opening door gas path and closing door gas path, opening door gas path and closing door gas path are connected with electromagnetic valve, electromagnetic valve is connected with air source, electromagnetic valve is provided with opening door magnetic head and closing door magnetic head, when opening door magnetic head is powered, electromagnetic valve controls air source to enter opening door gas path, when closing door magnetic head is powered, electromagnetic valve controls air source to enter closing door gas path, power supply and electromagnetic valve are provided with control circuit between them, control circuit includes main circuit, opening door circuit and closing door circuit, opening door circuit is connected with the opening door magnetic head of electromagnetic valve, closing door circuit is connected with the closing door magnetic head of electromagnetic valve, main circuit is connected with power supply, main circuit is provided with flap switch, flap switch can control main circuit and opening door circuit communication or control main circuit and closing door circuit communication, main circuit is connected with anti-pinch circuit, anti-pinch circuit is connected with the opening door magnetic head of electromagnetic valve, anti-pinch circuit is provided with step light stroke switch and anti-pinch stroke switch, step light stroke switch and anti-pinch stroke switch are connected in series, when door is completely closed, step light stroke switch is in open state.

[0006] By adopting the above scheme, when door needs to be closed, operator will dial flap switch to closing door circuit, closing door magnetic head of electromagnetic valve is powered, air pump is communicated with closing door gas path, so that door pump drives door to close;When door needs to be opened, operator will dial flap switch to opening door circuit, opening door magnetic head of electromagnetic valve is powered, air pump is communicated with opening door gas path, so that door pump drives door to open;When door is closed in the process and door is clamped to something, anti-pinch switch is closed, so that power supply and opening door magnetic head of electromagnetic valve are communicated, thereby preventing door from continuing to close, to prevent door from clamping to people, when door is completely closed, step stroke switch is opened, so that anti-pinch circuit is in open state, at this time, anti-pinch circuit is always in open state due to misoperation or anti-pinch switch short-circuit, thereby avoiding door from opening due to misoperation or short-circuit, to avoid safety accident.

[0007] Optionally, the power supply, the step light travel switch and the anti-pinch travel switch are connected in sequence, and the step light is arranged between the step light travel switch and the anti-pinch travel switch.

[0008] By using the above scheme, when the door is in the open state, the step light travel switch is in the closed state, the step light is in contact with the power supply, the step light is turned on to remind the operator that the door is not closed, and when the door is completely closed, the step light travel switch is opened, and the step light is turned off.

[0009] Optionally, an emergency valve is arranged between the air source and the electromagnetic valve.

[0010] By using the above scheme, when a fault occurs, the operator can manually open or close the door through the emergency valve.

[0011] In summary, the present application has the following technical effects:

[0012] 1. By arranging the step light travel switch, the door will not be opened due to short circuit or accidental touch after being closed;

[0013] 2. By arranging the step light, the operator can more conveniently observe whether the door is closed tightly;

[0014] 3. By arranging the emergency valve, the operator can manually open or close the door when the door circuit fails. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a circuit diagram of the overall structure of the present application.

[0016] In the figure, 1 is a power supply; 2 is an air source; 3 is an electromagnetic valve; 31 is an opening door magnetic head; 32 is a closing door magnetic head; 4 is a door pump; 41 is an opening door air path; 42 is a closing door air path; 5 is a main circuit; 51 is a rocker switch; 52 is an opening door circuit; 53 is a closing door circuit; 6 is an anti-pinch circuit; 61 is a step light travel switch; 62 is an anti-pinch travel switch; 7 is an air source processor; and 8 is an emergency valve. DETAILED DESCRIPTION

[0017] The present application will be further described in detail below in combination with the drawings.

[0018] The application discloses an anti-misoperation door opening circuit, which comprises a gas source 2, an electromagnetic valve 3, a door pump 4 and a power supply 1, wherein the door pump 4 is used for controlling the opening and closing of a vehicle door, the door pump 4 is connected with an opening gas path 41 and a closing gas path 42, the opening gas path 41 and the closing gas path 42 are connected with the electromagnetic valve 3, the electromagnetic valve 3 is connected with the gas source 2, a gas source processor 7 and an emergency valve 8 are connected between the electromagnetic valve 3 and the gas source 2, the emergency valve 8 is used for manually opening or closing the vehicle door by an operator when a circuit fault occurs, the electromagnetic valve 3 is provided with an opening magnetic head 31 and a closing magnetic head 32, when the opening magnetic head 31 is powered, the electromagnetic valve 3 controls the gas generated by the gas source 2 to enter the opening gas path 41, and when the closing magnetic head 32 is powered, the electromagnetic valve 3 controls the gas generated by the gas source 2 to enter the closing gas path 42.

[0019] A control circuit is arranged between the power supply 1 and the electromagnetic valve 3, the control circuit comprises a main circuit 5, an opening circuit 52 and a closing circuit 53, the opening circuit 52 is connected with the opening magnetic head 31 of the electromagnetic valve 3, the closing circuit 53 is connected with the closing magnetic head 32 of the electromagnetic valve 3, the main circuit 5 is connected with the power supply 1, the main circuit 5 is provided with a flap switch 51, the flap switch 51 can control the main circuit 5 to be communicated with the opening circuit 52 or the main circuit 5 to be communicated with the closing circuit 53, the main circuit 5 is connected with an anti-pinch circuit 6, the anti-pinch circuit 6 is connected with the opening magnetic head 31 of the electromagnetic valve 3, the anti-pinch circuit 6 is provided with a step light stroke switch 61 and an anti-pinch stroke switch 62, the step light stroke switch 61 and the anti-pinch stroke switch 62 are connected in series, and the step light stroke switch 61 is in an open state after the vehicle door is completely closed. The power supply 1, the step light stroke switch 61 and the anti-pinch stroke switch 62 are sequentially connected, and a step light is arranged between the step light stroke switch 61 and the anti-pinch stroke switch 62. The step light is turned on when being powered.

[0020] When the door needs to be closed, the operator dials the flap switch 51 to the closing circuit 53, the closing magnetic head 32 of the electromagnetic valve 3 is powered, the door pump 4 is communicated with the closing gas path 42, so that the door pump 4 drives the vehicle door to be closed; when the door needs to be opened, the operator dials the flap switch 51 to the opening circuit 52, the opening magnetic head 31 of the electromagnetic valve 3 is powered, the gas pump is communicated with the opening gas path 41, so that the door pump 4 drives the vehicle door to be opened; when the vehicle door is closed and the vehicle door is clamped to something, the anti-pinch stroke switch 62 is closed, so that the power supply 1 is communicated with the opening magnetic head 31 of the electromagnetic valve 3, thereby preventing the vehicle door from continuing to be closed and preventing the vehicle door from being clamped to a person, after the vehicle door is completely closed, the step stroke switch 61 is opened, so that the anti-pinch circuit 6 is in an open state, at this moment, the anti-pinch circuit 6 is always in the open state due to the misoperation or the short circuit of the anti-pinch stroke switch 62, thereby avoiding that the vehicle door is opened due to the misoperation or the short circuit, and avoiding safety accidents.

[0021] The embodiments are only illustrative of the present application, and are not intended to limit the present application, and those skilled in the art can make modifications to the embodiments without creative contribution after reading the specification, but as long as the modifications are within the scope of the claims of the present application, they are protected by the patent law.

Claims

1. A false touch prevention door opening circuit, characterized by: The application relates to a door control device, which comprises a circuit and an air circuit, the air circuit comprising an electromagnetic valve (3) and a door pump (4) for controlling the opening and closing of a door, the door pump (4) being connected with an opening air circuit (41) and a closing air circuit (42), the opening air circuit (41) and the closing air circuit (42) being connected with the electromagnetic valve (3), the electromagnetic valve (3) being provided with an opening magnetic head (31) and a closing magnetic head (32), when the opening magnetic head (31) is electrified, the electromagnetic valve (3) controls the door pump to open the door, when the closing magnetic head (32) is electrified, the electromagnetic valve (3) controls the door pump to close the door, the circuit comprising a power supply (1), a control circuit being arranged between the power supply (1) and the electromagnetic valve (3), the control circuit being used for controlling the power supply (1) to electrify the opening magnetic head (31) and the closing magnetic head (32) of the electromagnetic valve (3), the control circuit comprising an anti-pinch circuit (6), the anti-pinch circuit (6) being connected with the opening magnetic head (31) of the electromagnetic valve (3), the anti-pinch circuit (6) being provided with a step light stroke switch (61) and an anti-pinch stroke switch (62), the step light stroke switch (61) and the anti-pinch stroke switch (62) being connected in series, when the door is completely closed, the step light stroke switch (61) is in an open state.

2. The anti-mis-touch opening door circuit according to claim 1, characterized in that: The control circuit comprises a main circuit (5), an opening circuit (52) and a closing circuit (53), the opening circuit (52) being connected with the opening magnetic head (31) of the electromagnetic valve (3), the closing circuit (53) being connected with the closing magnetic head (32) of the electromagnetic valve (3), the main circuit (5) being connected with the power supply (1), the main circuit (5) being provided with a rocker switch (51), the rocker switch (51) being capable of controlling the main circuit (5) to communicate with the opening circuit (52) or controlling the main circuit (5) to communicate with the closing circuit (53), the main circuit (5) being connected with the anti-pinch circuit (6).

3. The anti-mis-touch opening door circuit according to claim 2, characterized in that: The power supply (1), the step light stroke switch (61) and the anti-pinch stroke switch (62) are connected in sequence, and a step light is arranged between the step light stroke switch (61) and the anti-pinch stroke switch (62).

4. The anti-mis-touch opening door circuit according to claim 1, characterized in that: The electromagnetic valve (3) is connected with an air source (2), and the electromagnetic valve (3) is capable of controlling the air source (2) to communicate with the opening air circuit (41) or the closing air circuit (42).

5. The anti-pinch door opening circuit of claim 4, wherein: An emergency valve (8) is arranged between the air source (2) and the electromagnetic valve (3).

6. The anti-touch-to-open door circuit of claim 5, wherein: An air source processor (7) is arranged between the air source (2) and the emergency valve (8).

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