CN219101056U - Automatic door opening and closing control circuit and door opening and closing and door production door opening and closing test circuit - Google Patents

Automatic door opening and closing control circuit and door opening and closing and door production door opening and closing test circuit Download PDF

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Publication number
CN219101056U
CN219101056U CN202221778546.6U CN202221778546U CN219101056U CN 219101056 U CN219101056 U CN 219101056U CN 202221778546 U CN202221778546 U CN 202221778546U CN 219101056 U CN219101056 U CN 219101056U
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electrically connected
circuit
resistor
module
closing
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Inventor
刘运长
林晓彬
于海波
潘嘉明
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Chongqing Jiazhi Jiachuang Technology Co ltd
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Chongqing Jiazhi Jiachuang Technology Co ltd
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Abstract

The utility model discloses an automatic door opening and closing control circuit and a door opening and closing and door opening and closing production test circuit, wherein the automatic door opening and closing control circuit comprises: the motor driving circuit module, the control module, the detection module and the pressure relief circuit module are arranged in the control circuit, so that the control circuit capable of automatically opening and closing the door through the pressure relief circuit is protected, and the control circuit is prevented from being overheated and damaged under the condition that the system power supply is abnormal. The problem that a door opening and closing control circuit lacks a protection circuit module in the prior art is solved, and further the working stability of the door opening and closing control circuit is guaranteed.

Description

Automatic door opening and closing control circuit and door opening and closing and door production door opening and closing test circuit
Technical Field
The utility model relates to the technical field of door opening and closing control and detection, in particular to an automatic door opening and closing control circuit and a door opening and closing and door opening and closing production test circuit.
Background
The automatic door opening and closing control circuit is a control circuit which is necessary for controlling the normal operation of the automatic door opening and closing, the existing automatic door opening and closing control circuit generally supplies power for a system power supply, an inductor induction state sending signal is communicated with a micro processor MCU, the MCU controls a motor by sending a PWM signal to a motor driving circuit, and the motor drives the door opening and closing to be started or stopped.
However, when the motor power supply is abnormal, the current control circuit for automatically opening and closing the door can possibly operate in a high-voltage or high-current environment all the time, and can cause damage to the control circuit, so that the automatic opening and closing door cannot normally operate.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides an automatic door opening and closing control circuit and a door opening and closing and door opening and closing production test circuit, so as to solve the problem that the door opening and closing control circuit in the prior art lacks a protection circuit.
To achieve the above object, according to one aspect of the present utility model, there is provided a control circuit for opening and closing a door, including a motor power supply, further including:
a motor driving circuit module;
the control module is used for receiving the signal instruction sent by the processing circuit and releasing the signal to control the motor driving circuit module to work;
the detection module is electrically connected with the control module and is used for detecting the working state of the motor power supply and sending a working state instruction to the control module;
a pressure relief circuit module; the pressure relief circuit module is electrically connected with the motor driving circuit module;
when the detection module detects that the motor current exceeds a preset value, the control module sends an instruction to the motor driving circuit module, the motor driving circuit module controls motor braking, reverse electromotive force generated by the motor braking at the moment causes the pressure relief circuit module to work, and reverse electromotive force voltage of the circuit is released.
Further, the detection module includes:
the current detection module is electrically connected with the control module;
the overcurrent detection module is electrically connected with the control module;
and the overvoltage detection module is electrically connected with the control module.
Further, the pressure relief circuit module includes:
a system power supply P1;
the system power supply P1 is electrically connected with the cathode of the first diode D1;
the positive electrode of the first diode D1 is connected with the base electrode of the triode Q1;
the collector of the triode Q1 is electrically connected with the motor power supply 1 and is used for conducting signals generated by voltage change of the motor power supply P2;
the emitter of the triode Q1 is connected with the grid electrode of the field effect tube Q2, and the drain electrode and the source electrode of the field effect tube Q2 are respectively connected with a motor power supply and a ground wire GND, so that the grid current of the field effect tube Q2 is conducted to the ground wire in a single phase.
Further, the pressure relief circuit module further includes:
and one end of the first capacitor is electrically connected with the emitter of the triode, and the other end of the first capacitor is electrically connected with the ground wire.
In a second aspect, an embodiment of the present application further provides an automatic door opening and closing device, including any one of the above door opening and closing control circuits, where a motor driving circuit module in the door opening and closing control circuit further includes: and one end of the quick start circuit is electrically connected with the motor drive circuit module, and the other end of the quick start circuit is electrically connected with the motor.
Further, the quick start circuit includes:
a power source P;
a second diode D2 and a third diode D3, the cathode of the second diode D2 and the cathode of the third diode D3 being electrically connected;
a second capacitor C2 and a third capacitor C3, wherein one end of the second capacitor C2 is electrically connected to the anode of the second diode D2, the other end of the second capacitor C2 is electrically connected to one end of the third capacitor C3, and the other end of the third capacitor C3 is electrically connected to the anode of the third diode D3;
wherein the second capacitor C2, the third capacitor C3, the second diode D2 and the third diode D3 are combined together to form an electrodeless capacitor.
In a third aspect, an embodiment of the present application further provides an automatic door opening/closing detection circuit, which may be used to detect any one of the above door opening/closing, where the detection circuit includes:
the switch door MCU is provided with a sampling pin TP3 and a sampling pin TP4 and is used for acquiring analog signals;
the detection computer PC receives a signal sent by the switch door MCU and judges whether the voltage meets the requirement or not;
a first test pad circuit I;
and a second test pad circuit II.
Further, the first test pad circuit one includes:
the first resistor R1, the second resistor R2, the power supply P and the test point TP1;
one end of the first resistor R1 is electrically connected with the power supply P, the other end of the first resistor R1 is electrically connected with the second resistor R2, and one end of the test point TP1 is electrically connected between the first resistor R1 and the second resistor R2;
the voltage lower than the voltage of the switch door MCU is generated through serial voltage division of the first resistor R1 and the second resistor R2, and a voltage analog signal of the test point TP1 is led out.
Further, the second test pad circuit II includes:
the third resistor R3, the fourth resistor R4, the power supply P and the test point TP2;
one end of the third resistor R3 is electrically connected with the power supply P, the other end of the third resistor R3 is electrically connected with the fourth resistor R4, and one end of the test point TP2 is electrically connected between the third resistor R3 and the fourth resistor R4;
the voltage is lower than MCU voltage through serial voltage division of a third resistor R3 and a fourth resistor R4, and a second test pad TP2 is led out;
the voltage lower than the voltage of the switch door MCU is generated through the serial voltage division of the third resistor R3 and the fourth resistor R4, and a voltage analog signal of a test point TP2 is led out;
the other end of the test point TP1 is electrically connected with a sampling pin TP3, and the other end of the test point TP2 is electrically connected with a sampling pin TP 4;
after the power supply P is electrified, the voltage signal generated by the test point TP1 is transmitted to the connected sampling pin TP3, the voltage signal generated by the test point TP2 is transmitted to the connected sampling pin TP4, and the switch door MCU collects data and feeds the data back to the PC end of the detection computer for comparison.
The utility model adopts a control circuit for opening and closing the door with the following structure: the control module sends an instruction to the motor driving circuit module when the current of the motor power supply exceeds a preset value, the motor driving circuit module controls motor braking, reverse electromotive force generated by motor braking at the moment causes the pressure relief circuit module to work, redundant voltage can be released to a grounding wire through the pressure relief circuit module by reverse electromotive force voltage of the release circuit, the control circuit capable of automatically opening and closing a door through the pressure relief circuit is protected through the pressure relief circuit is arranged in the control circuit, the control circuit is prevented from being damaged due to overheat under the condition that the system power supply is abnormal, the problem that the door opening and closing control circuit lacks the protection circuit module in the prior art is solved, and the working stability of the door opening and closing control circuit is further guaranteed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a door opening/closing control circuit according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a pressure relief circuit according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a fast start circuit according to an embodiment of the present utility model;
fig. 4 is a schematic diagram of an automatic door opening/closing detection circuit according to an embodiment of the utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, the term "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described as "exemplary" in this disclosure is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the utility model. In the following description, details are set forth for purposes of explanation. It will be apparent to one of ordinary skill in the art that the present utility model may be practiced without these specific details. In other instances, well-known structures and processes have not been described in detail so as not to obscure the description of the utility model with unnecessary detail. Thus, the present utility model is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.
The embodiment of the utility model provides a control circuit for opening and closing a door, which is specifically described as follows:
the control circuit of switch door that provides in this application, including motor power 1, still include:
a motor drive circuit module 2;
the control module 3 is used for receiving signal instructions sent by the processing circuit and releasing signals to control the motor driving circuit module 2 to work;
the detection module 4 is electrically connected with the control module 3, and the detection module 4 is used for detecting the working state of the motor power supply 1 and sending a working state instruction to the control module 3;
a pressure relief circuit module 5; the pressure relief circuit module 5 is electrically connected with the motor driving circuit module 2;
the control module 3 may be a single-chip microcomputer device with a computer processing chip, the control module 3 includes a plurality of connectors, and the motor driving circuit module 2, the motor power supply 1 and the protection circuit module 4 are all electrically connected with the connectors of the control module 3 and the connectors are different;
when the detection module 4 detects that the motor current exceeds a preset value, the control module 3 sends an instruction to the motor driving circuit module 2, the motor driving circuit module 2 controls motor braking, and reverse electromotive force generated by the motor braking at the moment causes the pressure relief circuit module 5 to work, so that the circuit reverse electromotive force voltage is released.
In the above embodiment, when the current of the motor power supply 1 exceeds a predetermined value, the control module 3 sends an instruction to the motor driving circuit module 2, the motor driving circuit module 2 controls motor braking, the back electromotive force generated by the motor braking at this time drives the pressure release circuit module 5 to work, the back electromotive force voltage of the circuit is released, and the redundant voltage can be released to the ground wire through the pressure release circuit module 5, by setting the pressure release circuit module 5 in the control circuit, the control circuit capable of automatically opening and closing the door is protected through the pressure release circuit, the control circuit is protected from being damaged due to overheating when the abnormal condition occurs to the motor power supply 1, the problem that the door opening and closing control circuit lacks the protection circuit module in the prior art is solved, and the working stability of the door opening and closing control circuit is further ensured.
In the above embodiment, the detection module 4 includes the current detection module 401, and the current detection module 401 is electrically connected to the control module 3;
an overcurrent detection module 402, wherein the current detection module 401 is electrically connected with the control module 3;
an overvoltage detection module 403, the overvoltage detection module 403 being electrically connected to the control module 3.
Fig. 1 is a schematic diagram of a control circuit for opening and closing a door according to an embodiment of the present utility model, as shown in fig. 1, after a motor power supply 1 is powered on, through electrical connection between a control module 3 and a detection module 4, a current detection module 401, an overcurrent detection module 402 and an overvoltage detection module 403 in the detection module 4 can all work independently and send signals to the control module 3, and current and voltage of the control circuit are monitored in a two-to-two combined operation, so that the control module 3 can protect operation voltage and current stability of the control circuit for opening and closing the door in real time.
In the above embodiment, the pressure relief circuit module 5 includes:
a system power supply P1;
the system power supply P1 is electrically connected with the cathode of the first diode D1;
the positive electrode of the first diode D1 is connected with the base electrode of the triode Q1;
the collector of the triode Q1 is electrically connected with the motor power supply 1 and is used for conducting signals generated by voltage change of the motor power supply P2;
the field effect transistor Q2, the projecting pole of triode Q1 is connected with the grid of field effect transistor Q2, the drain electrode of field effect transistor Q2 and motor power 1 electricity are connected, the source electrode of field effect transistor Q2 is connected with ground wire GND, realizes the single-phase switching on of the grid electric current of field effect transistor Q2 to ground wire.
In the above embodiment, the pressure relief power supply further includes: a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, and a sixth resistor R6;
one end of the first resistor R1 is electrically connected with a system power supply, the other end of the first resistor R1 is electrically connected with the negative electrode of the first diode D1, one end of the second resistor R2 is electrically connected with the positive electrode end of the diode, and the other end of the second resistor R2 is electrically connected with the collector electrode end of the triode Q1;
one end of the third resistor R3 is electrically connected with the emitter of the triode Q1, the other end of the third resistor R3 is electrically connected with the grid of the field effect tube Q2, one end of the fourth resistor R4 is connected with the grid of the field effect tube Q2, and the other end of the fourth resistor R4 is connected with the source of the field effect tube Q2;
the fifth resistor R5 and the sixth resistor R6 are electrically connected between the drain electrode of the field effect transistor Q2 and the motor power supply P2 in a parallel connection mode, so that the stability of a motor working circuit is ensured.
In the above embodiment, the pressure relief circuit module 10 further includes:
and one end of the first capacitor C1 is electrically connected with the emitter Q1 of the triode, and the other end of the first capacitor C1 is electrically connected with the ground wire.
Fig. 2 is a schematic diagram of a voltage release circuit according to an embodiment of the present utility model, as shown in fig. 2, when a motor power supply 1 of a control circuit generates a reverse electromotive force and is higher than a rated voltage, and when a high voltage of the motor power supply 1 causes a first diode D1 to be turned on, a base voltage of a triode Q1 is lower than a collector voltage, so that the triode Q1 is turned on to transmit a voltage to a field effect transistor Q2, and a gate voltage of the field effect transistor Q2 is higher than a source voltage of the field effect transistor Q2, so that the field effect transistor Q2 is turned on, and redundant voltage is turned on to a ground, thereby realizing a release of the reverse electromotive force, and after the release is completed, the voltage of the control circuit is restored to the rated voltage.
The embodiment of the utility model also provides an automatic door opening and closing device, which comprises any door opening and closing control circuit provided by the utility model, and the motor driving circuit module 2 in the door opening and closing control circuit further comprises: and one end of the quick start circuit is electrically connected with the motor drive circuit module 2, and the other end of the quick start circuit is electrically connected with the motor.
Wherein, quick start circuit includes:
the power supply P is the power generated by the motor power supply 1 in the control circuit;
the cathode of the second diode D2 is electrically connected with the cathode of the third diode D3;
the second capacitor C2 and the third capacitor C3, one end of the second capacitor C2 is electrically connected with the anode of the second diode D2, the other end of the second capacitor C2 is electrically connected with one end of the third capacitor C3, and the other end of the third capacitor C3 is electrically connected with the anode of the third diode D3;
wherein the second capacitor C2, the third capacitor C3, the second diode D2 and the third diode D3 are combined together to form an electrodeless capacitor.
Fig. 3 is a schematic diagram of a fast start circuit for on-off according to an embodiment of the present utility model, as shown in fig. 3, a second capacitor C2, a third capacitor C3, a second diode D2 and a third diode D3 are combined to form an electrodeless capacitor, and the combined electrodeless capacitor has a withstand voltage value and a capacitance value, which are higher than those of the electrodeless capacitor in the market, so that an effect of fast starting a motor is achieved, and cost is saved.
The embodiment of the utility model also provides an automatic door opening and closing detection circuit which can be used for detecting the automatic door opening and closing provided by the utility model, and the automatic door opening and closing detection circuit provided by the embodiment of the utility model is specifically introduced as follows:
fig. 4 is a schematic diagram of an automatic door opening and closing detection circuit according to an embodiment of the present utility model, as shown in fig. 4, the detection circuit includes:
the switch door MCU is provided with a sampling pin TP3 and a sampling pin TP4 and is used for acquiring analog signals;
the detection computer PC receives the signal sent by the switch door MCU, compares the signal with the preset value of the detection computer PC and judges whether the voltage meets the requirement;
a first test pad circuit I;
and a second test pad circuit II.
Further, the first test pad circuit one includes:
the first resistor R1, the second resistor R2, the power supply P and the test point TP1;
one end of the first resistor R1 is electrically connected with the power supply P, the other end of the first resistor R1 is electrically connected with the second resistor R2, and one end of the test point TP1 is electrically connected between the first resistor R1 and the second resistor R2;
the voltage lower than the voltage of the switch door MCU is generated through serial voltage division of the first resistor R1 and the second resistor R2, and a voltage analog signal of the test point TP1 is led out.
Further, the second test pad circuit II includes:
the third resistor R3, the fourth resistor R4, the power supply P and the test point TP2;
one end of the third resistor R3 is electrically connected with the power supply P, the other end is electrically connected with the fourth resistor R4, and one end of the test point TP2 is electrically connected between the third resistor R3 and the fourth resistor R4
The voltage lower than the MCU is generated through the serial voltage division of the two resistors, and a second test pad TP2 is led out;
and the voltage analog signal of the test point TP2 is led out through the voltage division of the third resistor R3 and the fourth resistor R4 which are connected in series to generate a voltage lower than the voltage of the switch door MCU.
Further, the other end of the test point TP1 is electrically connected to the sampling pin TP3, and the other end of the test point TP2 is electrically connected to the sampling pin TP 4;
after the power supply P is electrified, the voltage signal generated by the test point TP1 is transmitted to the connected sampling pin TP3, the voltage signal generated by the test point TP2 is transmitted to the connected sampling pin TP4, and the switch door MCU collects data and feeds the data back to the PC end of the detection computer for comparison.
In the above embodiment, the voltage is detected by the on-off MCU1, and is fed back to the PC end of the detection computer to compare with the preset value, and the PC end of the detection computer determines whether the voltage meets the requirement, in the factory test link, TP1 and TP3 are connected by the probe, TP2 and TP4 are connected, after power-up, the on-off MCU1 collects data of TP1 and TP2, and feeds back to the PC end of the detection computer through communication, and meets the preset value of the PC end of the detection computer, and through testing, automatic detection is achieved, and manual determination is reduced.
It will be apparent to those skilled in the art that the modules or steps of the utility model described above may be implemented in a general purpose computing device, they may be concentrated on a single computing device, or distributed across a network of computing devices, or they may alternatively be implemented in program code executable by computing devices, such that they may be stored in a memory device for execution by computing devices, or they may be separately fabricated into individual integrated circuit modules, or multiple modules or steps within them may be fabricated into a single integrated circuit module, such that the utility model is not limited to any specific combination of hardware and software.
The above description is not intended to limit the utility model to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The utility model provides a control circuit of switch door, includes motor power (1) and motor, its characterized in that: further comprises:
a motor drive circuit module (2);
the control module (3) is used for receiving and processing signal instructions sent by the circuit and releasing signals to control the motor driving circuit module (2) to work;
the detection module (4) is electrically connected with the control module (3), and the detection module (4) is used for detecting the working state of the motor power supply (1) and sending a working state instruction to the control module (3);
a pressure relief circuit module (5); the pressure relief circuit module (5) is electrically connected with the motor driving circuit module (2);
when the detection module (4) detects that the motor current exceeds a preset value, the control module (3) sends an instruction to the motor driving circuit module (2), the motor driving circuit module (2) controls motor braking, and reverse electromotive force generated by motor braking at the moment causes the pressure relief circuit module (5) to work, and the reverse electromotive force voltage of the circuit is released.
2. The door opening and closing control circuit according to claim 1, wherein: the detection module (4) comprises:
a current detection module (401), the current detection module (401) being electrically connected with the control module (3);
an overcurrent detection module (402), wherein the current detection module (401) is electrically connected with the control module (3);
and the overvoltage detection module (403), wherein the overvoltage detection module (403) is electrically connected with the control module (3).
3. The control circuit for opening and closing a door according to claim 1 or 2, characterized in that: the pressure relief circuit module (5) comprises:
a system power supply (P1);
a first diode (D1), wherein the system power supply (P1) is electrically connected with the cathode of the first diode (D1);
a triode (Q1), wherein the positive electrode of the first diode (D1) is connected with the base electrode of the triode (Q1);
the collector of the triode (Q1) is electrically connected with the motor power supply (1) and is used for conducting signals generated by voltage change of the motor power supply (P2);
the field effect transistor (Q2), the projecting pole of triode (Q1) is connected with the grid of field effect transistor (Q2), the drain electrode and the source electrode of field effect transistor (Q2) are connected with motor power (1) and ground wire GND respectively, realize the single-phase switching on of grid current to the ground wire of field effect transistor (Q2).
4. A control circuit for opening and closing a door according to claim 3, wherein: the pressure relief circuit module (5) further comprises:
and one end of the first capacitor (C1) is electrically connected with the emitter of the triode (Q1), and the other end of the first capacitor is electrically connected with the ground wire.
5. An automatic switch door, its characterized in that: the automatic door opening and closing device comprises a door opening and closing control circuit according to any one of claims 1 to 4;
wherein, the motor drive circuit module (2) in the control circuit of the switch door also includes: and one end of the quick starting circuit is electrically connected with the motor driving circuit module (2), and the other end of the quick starting circuit is electrically connected with the motor.
6. A switch door as claimed in claim 5, wherein: the quick start circuit includes:
a power supply (P);
a second diode (D2) and a third diode (D3), the cathode of the second diode (D2) and the cathode of the third diode (D3) being electrically connected;
a second capacitor (C2) and a third capacitor (C3), wherein one end of the second capacitor (C2) is electrically connected with the anode of the second diode (D2), the other end of the second capacitor is electrically connected with one end of the third capacitor (C3), and the other end of the third capacitor (C3) is electrically connected with the anode of the third diode (D3);
wherein the second capacitor (C2), the third capacitor (C3), the second diode (D2) and the third diode (D3) are combined together to form an electrodeless capacitor.
7. An automatic door opening and closing detection circuit is characterized in that: a switch door operable to detect any one of claims 5-6, the detection circuit comprising:
the switch door MCU is provided with a sampling pin TP3 and a sampling pin TP4 and is used for acquiring analog signals;
the detection computer PC receives a signal sent by the switch door MCU and judges whether the voltage meets the requirement or not;
a first test pad circuit I;
and a second test pad circuit II.
8. The automatic door opening and closing detection circuit as claimed in claim 7, wherein: the first test pad circuit one includes:
a first resistor (R1), a second resistor (R2), a power supply (P) and a test point TP1;
one end of the first resistor (R1) is electrically connected with a power supply (P), the other end of the first resistor is electrically connected with a second resistor (R2), and one end of the test point TP1 is electrically connected between the first resistor (R1) and the second resistor (R2);
the voltage lower than the voltage of the switch door MCU is generated through serial voltage division of the first resistor (R1) and the second resistor (R2), and a voltage analog signal of the test point TP1 is led out.
9. The automatic door opening and closing detection circuit as claimed in claim 8, wherein: the second test pad circuit includes:
a third resistor (R3), a fourth resistor (R4), a power supply (P) and a test point TP2;
one end of the third resistor (R3) is electrically connected with a power supply (P), the other end of the third resistor is electrically connected with a fourth resistor (R4), and one end of the test point TP2 is electrically connected between the third resistor (R3) and the fourth resistor (R4);
the voltage is generated to be lower than the MCU voltage through the serial voltage division of the third resistor (R3) and the fourth resistor (R4), and a test point TP2 is led out;
and the voltage analog signal of the test point TP2 is led out through the voltage division of the third resistor (R3) and the fourth resistor (R4) which are connected in series to generate a voltage lower than the voltage of the switch door MCU.
10. An automatic door opening and closing detection circuit according to claim 9, wherein: the other end of the test point TP1 is electrically connected with a sampling pin TP3, and the other end of the test point TP2 is electrically connected with a sampling pin TP 4;
after the power supply (P) is electrified, the voltage signal generated by the test point TP1 is transmitted to the connected sampling pin TP3, the voltage signal generated by the test point TP2 is transmitted to the connected sampling pin TP4, and the data collected by the switch door MCU is fed back to the PC end of the detection computer for comparison.
CN202221778546.6U 2022-07-07 2022-07-07 Automatic door opening and closing control circuit and door opening and closing and door production door opening and closing test circuit Active CN219101056U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221778546.6U CN219101056U (en) 2022-07-07 2022-07-07 Automatic door opening and closing control circuit and door opening and closing and door production door opening and closing test circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221778546.6U CN219101056U (en) 2022-07-07 2022-07-07 Automatic door opening and closing control circuit and door opening and closing and door production door opening and closing test circuit

Publications (1)

Publication Number Publication Date
CN219101056U true CN219101056U (en) 2023-05-30

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Application Number Title Priority Date Filing Date
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CN (1) CN219101056U (en)

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