Intelligent high-altitude door and window safety self-inspection protection and maintenance system

Abstract

The present invention discloses an intelligent high-altitude door and window safety self-inspection protection and maintenance system, which includes a protection module. The system is characterized in that the protection module includes a first input end, a second input end, a first output end, a second output end, a first transistor, a second transistor, a third optical coupling module, a fourth optical coupling module, a first resistor, and a second resistor. The first input end is used to receive a door and window opening signal, the second input end is used to receive a door and window closing signal, the first output end is used to send a door and window opening control signal, and the second output end is used to send a door and window closing control signal. The first input end is connected to the base of the first transistor, and the collector of the first transistor is connected to the power supply and the collector of the second transistor.

Description

Technical Field

[0001] The present invention relates to the field of intelligent control technology, and in particular to an intelligent high-altitude door and window safety self-inspection protection and maintenance system. Background Art

[0002] Electric doors and windows are generally driven by DC motors for opening and closing. The input terminals of the motor are connected to the positive and negative lines respectively. The polarity of the lines connected to the motor is reversed through the control circuit. When the doors and windows need to be opened, the current line polarity is changed or maintained, and vice versa when closing, so as to realize the forward and reverse rotation of the DC motor to drive the doors and windows to open or close. However, as a driving circuit, the control circuit will output forward and reverse signals or no signal at the same time when the upper detection circuit at its input end has a detection fault or a line fault. When the signals are output at the same time, it will cause the control circuit to short-circuit and overcurrent to burn components. Summary of the Invention

[0003] In view of the above technical problems, the purpose of the present invention is to provide an intelligent high-altitude door and window safety self-inspection protection and maintenance system, including a protection module, the protection module including a first input terminal IN1, a second input terminal IN2, a first output terminal OUT1, a second output terminal OUT2, a first transistor D1, a second transistor D2, a third optical coupler module D3, a fourth optical coupler module D4, a first resistor R1, and a second resistor R2. The first input terminal IN1 is used to receive a door and window opening signal, the second input terminal IN2 is used to receive a door and window closing signal, the first output terminal OUT1 is used to send a door and window opening control signal, and the second output terminal OUT2 is used to send a door and window closing control signal. The first input terminal IN1 is connected to the base of the first transistor D1, the collector of the first transistor D1 is connected to the power supply, and the collector of the second transistor D2 is connected to the power supply. The electrodes are connected, the emitter of the first transistor D1 is connected to one end of the first resistor R1, the anode of the light-emitting diode in the third optical coupling module D3, and the cathode of the light-emitting diode in the fourth optical coupling module D4, the other end of the first resistor R1 is connected to the ground end, the base of the second transistor D2 is connected to the second input end IN2, the emitter of the second transistor D2 is connected to one end of the second resistor R2, the cathode of the light-emitting diode in the third optical coupling module D3, and the anode of the light-emitting diode in the fourth optical coupling module D4 are connected, the first output end OUT1 is connected to the emitter of the phototransistor in the third optical coupling module D3, the second output end OUT2 is connected to the emitter of the phototransistor in the fourth optical coupling module D4, the other end of the second resistor R2 is connected to the ground end, and the collectors of the phototransistors in the third optical coupling module D3 and the fourth optical coupling module D4 are connected to the power supply.

[0004] Furthermore, the protection module also includes a third input terminal IN3, a fourth input terminal IN4, a fifth PMOS transistor D5, and a sixth diode D6. The third input terminal IN3 is used to receive a door and window vibration signal, the fourth input terminal IN4 is used to receive a wind speed signal, the third input terminal IN3 is connected to the gate of the fifth PMOS transistor D5 and the anode of the sixth diode D6, the source and drain of the fifth PMOS transistor D5 are connected in series between the first input terminal IN1 and the base of the first transistor D1, the cathode of the sixth diode D6 is connected to the base of the second transistor D2, and the fourth input terminal IN4 is connected to the cathode of the sixth diode D6.

[0005] Furthermore, the protection module also includes a first capacitor C1, a seventh diode D7, and an eighth diode D8, one end of the first capacitor C1 is connected to the cathode of the sixth diode D6, and the other end is connected to the ground end, the anode and cathode of the seventh diode D7 are connected in series between the cathode of the sixth diode D6 and the base of the second transistor D2, and the anode and cathode of the eighth diode D8 are connected in series between the second input terminal IN2 and the base of the second transistor D2.

[0006] Furthermore, the protection module also includes a third output terminal OUT3, a ninth diode D9, a tenth diode D10, and an eleventh PMOS transistor D11, wherein the anode of the ninth diode D9 is connected to the second input terminal IN2, the cathode of the ninth diode D9 is connected to the cathode of the tenth diode D10 and the gate of the eleventh PMOS transistor D11, the anode of the tenth diode D10 is connected to the first input terminal IN1, the source of the eleventh PMOS transistor D11 is connected to the power supply, and the drain of the eleventh PMOS transistor D11 is connected to the third output terminal OUT3.

[0007] Furthermore, the protection module also includes a fifth input terminal IN5, a twelfth transistor D12, and a third resistor R3. The emitter and collector of the twelfth transistor D12 are connected in series between the drain of the eleventh PMOS transistor D11 and the third output terminal OUT3. The base of the twelfth transistor D12 is connected to one end of the third resistor R3 and the fifth input terminal IN5, and the other end of the third resistor R3 is connected to the ground terminal.

[0008] Furthermore, the protection module further includes a thirteenth light emitting diode D13 , wherein the anode and cathode of the thirteenth light emitting diode D13 are connected in series between the drain of the eleventh PMOS transistor D11 and the emitter of the twelfth transistor D12 .

[0009] Furthermore, the protection module further includes a fourth resistor R4 , one end of the fourth resistor R4 is connected to the third input end IN3 , and the other end of the fourth resistor R4 is connected to the ground end.

[0010] Furthermore, the protection module further includes a fifth resistor R5 , one end of which is connected to the gate of the eleventh PMOS transistor D11 , and the other end of which is connected to the ground.

[0011] The beneficial effects of the present invention compared with the prior art are:

[0012] Automatically detect and process whether the signal of the upper detection circuit is faulty to prevent the problem of burning components in the lower circuit, and handle incomplete and misjudgment situations during protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the prior art and the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0014] Figure 1 This is a schematic diagram of the circuit structure of the intelligent high-altitude door and window safety self-inspection protection and maintenance system provided by the present invention. DETAILED DESCRIPTION

[0015] In order to make the objects and advantages of the present invention more clearly understood, the present invention is described in detail below with reference to the embodiments. It should be understood that the following text is only used to describe one or several specific implementation methods of the present invention and does not strictly limit the scope of protection specifically requested by the present invention.

[0016] Referring to the accompanying drawings, the present invention is an intelligent high-altitude door and window safety self-inspection protection and maintenance system, including a protection module, characterized in that the protection module includes a first input terminal IN1, a second input terminal IN2, a first output terminal OUT1, a second output terminal OUT2, a first transistor D1, a second transistor D2, a third optical coupler module D3, a fourth optical coupler module D4, a first resistor R1, and a second resistor R2. The first input terminal IN1 is used to receive a door and window opening signal, the second input terminal IN2 is used to receive a door and window closing signal, the first output terminal OUT1 is used to send a door and window opening control signal, and the second output terminal OUT2 is used to send a door and window closing control signal. The first input terminal IN1 is connected to the base of the first transistor D1, the collector of the first transistor D1 is connected to the power supply, and the collector of the second transistor D2 is connected to the power supply. The first transistor D1 is connected to one end of the first resistor R1, the anode of the light-emitting diode in the third optical coupler module D3, and the cathode of the light-emitting diode in the fourth optical coupler module D4. The other end of the first resistor R1 is connected to the ground. The base of the second transistor D2 is connected to the second input terminal IN2. The emitter of the second transistor D2 is connected to one end of the second resistor R2, the cathode of the light-emitting diode in the third optical coupler module D3, and the anode of the light-emitting diode in the fourth optical coupler module D4 are connected. The first output terminal OUT1 is connected to the emitter of the phototransistor in the third optical coupler module D3, the second output terminal OUT2 is connected to the emitter of the phototransistor in the fourth optical coupler module D4, the other end of the second resistor R2 is connected to the ground, and the collectors of the phototransistors in the third optical coupler module D3 and the fourth optical coupler module D4 are connected to the power supply:

[0017] In order to prevent the first input terminal IN1 and the second input terminal IN2 from receiving signals at the same time when a fault occurs, resulting in the first output terminal OUT1 and the second output terminal OUT2 outputting forward and reverse control signals to the control circuit at the same time, when there is no fault, after the first input terminal IN1 receives the start signal, the signal enters the base of the first transistor D1, the first transistor D1 is turned on, and the power signal passes through the collector and emitter of the first transistor D1 and reaches the first resistor R1, the anode of the light-emitting diode in the third optical coupler module D3, and the cathode of the light-emitting diode in the fourth optical coupler module D4. The light-emitting diode and the phototransistor of the block D3 are coupled and turned on, and the first output terminal OUT1 outputs the door and window opening control signal. After the second input terminal IN2 receives the closing signal, the signal enters the second transistor D2, and the second transistor D2 is turned on. The power signal passes through the collector and emitter of the second transistor D2 and reaches the cathode of the light-emitting diode in the third optical coupler module D3, the second resistor R2, and the anode of the light-emitting diode in the fourth optical coupler module D4. The light-emitting diode and the phototransistor of the fourth optical coupler module D4 are coupled and turned on, and the second output terminal OUT2 outputs the door and window closing control signal:

[0018] When a fault occurs, the signal reaching the cathode of the light-emitting diode of the fourth optocoupler module D4 via the collector and emitter of the first transistor D1 causes the cathode potential of the light-emitting diode in the fourth optocoupler module D4 to be higher than the anode potential, or the potential difference does not reach its conduction threshold. The light-emitting diode in the fourth optocoupler module D4 is cut off and there is no coupling. The signal reaching the cathode of the light-emitting diode in the third optocoupler module D3 via the collector and emitter of the second transistor D2 also cuts off the third optocoupler module D3. At this time, the third optocoupler module D3 and the fourth optocoupler module D4 are both uncoupled, and no signal is output from the first output terminal OUT1 and the second output terminal OUT2. This prevents the first output terminal OUT1 and the second output terminal OUT2 from outputting signals to the control circuit at the same time.

[0019] Specifically, the protection module also includes a third input terminal IN3, a fourth input terminal IN4, a fifth PMOS transistor D5, and a sixth diode D6. The third input terminal IN3 is used to receive a door or window vibration signal, and the fourth input terminal IN4 is used to receive a wind speed signal. The third input terminal IN3 is connected to the gate of the fifth PMOS transistor D5 and the anode of the sixth diode D6. The source and drain of the fifth PMOS transistor D5 are connected in series between the first input terminal IN1 and the base of the first transistor D1. The cathode of the sixth diode D6 is connected to the base of the second transistor D2. The fourth input terminal IN4 is connected to the cathode of the sixth diode D6.

[0020] In order to prevent the door or window from being used after it is loose, and to prevent the door or window from being scraped by excessive wind speed after it is opened, causing it to change its current position, the third input terminal IN3 receives a door or window vibration signal, and the fourth input terminal IN4 is used to receive a wind speed signal. When the door or window vibrates or the wind speed outside the window is too high, the signal reaches the second transistor D2 via the third input terminal IN3 and / or the fourth input terminal IN4 to close the door or window. To prevent the door or window from being used after it is vibrated, the signal via the third input terminal IN3 reaches the gate of the fifth PMOS transistor D5, so that the gate-source voltage of the fifth PMOS transistor D5 does not reach the negative voltage difference to turn on. The fifth PMOS transistor D5 The first input terminal IN1 is cut off, intercepting the signal reaching the base of the first transistor D1. After the doors and windows are closed, the parasitic capacitance of the fifth PMOS transistor D5 maintains the state. At this time, the third input terminal IN3 does not need to be pulled down. If the use scenario requires precise control of the rapid charging and discharging of the parasitic capacitance of the fifth PMOS transistor D5, a signal latch or other component can be connected between the third input terminal IN3 and the gate of the fifth PMOS transistor D5 to lock the signal. In order to prevent the signal from flowing into the gate of the fifth PMOS transistor D5 through the fourth input terminal IN4, a sixth diode D6 is provided. A vibration sensor is used for door and window vibration detection, and a wind speed sensor is used for wind speed detection.

[0021] Specifically, the protection module also includes a first capacitor C1, a seventh diode D7, and an eighth diode D8. One end of the first capacitor C1 is connected to the cathode of the sixth diode D6, and the other end is connected to the ground end. The anode and cathode of the seventh diode D7 are connected in series between the cathode of the sixth diode D6 and the base of the second transistor D2. The anode and cathode of the eighth diode D8 are connected in series between the second input terminal IN2 and the base of the second transistor D2.

[0022] Taking into account the intermittent nature of wind, a single wind speed detection results in the release of the door and window closing signal when the wind speed is low. The signal through the fourth input terminal IN4 will be divided into two paths. One path is charged by the first capacitor C1 and is powered by the first capacitor C1 when the wind speed is too low. The other path passes through the seventh diode D7 to reach the base of the second transistor D2, preventing the second input terminal IN2 signal from accidentally charging the first capacitor C1. The capacity of the first capacitor C1 can be continuously adjusted according to the wind speed to prevent the door and window closing signal from being released when the wind speed is low.

[0023] Specifically, the protection module further includes a third output terminal OUT3, a ninth diode D9, a tenth diode D10, and an eleventh PMOS transistor D11. The anode of the ninth diode D9 is connected to the second input terminal IN2, the cathode of the ninth diode D9 is connected to the cathode of the tenth diode D10 and the gate of the eleventh PMOS transistor D11, the anode of the tenth diode D10 is connected to the first input terminal IN1, the source of the eleventh PMOS transistor D11 is connected to the power supply, and the drain of the eleventh PMOS transistor D11 is connected to the third output terminal OUT3.

[0024] To prevent misjudgment caused by vibration during the start-up or closing control of doors and windows, when there is a signal at the first input terminal IN1, the signal also reaches the gate of the eleventh PMOS transistor D11 via the tenth diode D10. When there is a signal at the second input terminal IN2, the signal reaches the gate of the eleventh PMOS transistor D11 via the ninth diode D9. When the gate of the eleventh PMOS transistor D11 receives the signal at the first input terminal IN1 or the second input terminal IN2, the eleventh PMOS transistor D11 is turned off, the third output terminal OUT3 has no signal output, and the door and window vibration detection is stopped. The connection method includes but is not limited to connecting the third output terminal OUT3 as a power supply for the vibration sensor, or controlling the disconnection of the output terminal of the vibration sensor through other components.

[0025] Specifically, the protection module further includes a fifth input terminal IN5, a twelfth transistor D12, and a third resistor R3. The emitter and collector of the twelfth transistor D12 are connected in series between the drain of the eleventh PMOS transistor D11 and the third output terminal OUT3. The base of the twelfth transistor D12 is connected to one end of the third resistor R3 and the fifth input terminal IN5. The other end of the third resistor R3 is connected to the ground terminal.

[0026] Considering that the doors and windows need to be debugged during installation, a twelfth transistor D12 is connected in series between the eleventh PMOS transistor D11 and the third output terminal OUT3. During debugging, the fifth input terminal IN5 is connected to a power supply so that the voltage difference between the emitter and the base of the twelfth transistor D12 is lower than the conduction threshold. At this time, vibration detection is performed during the opening and closing processes of the doors and windows. When the fifth input terminal IN5 is open, it is in a non-debugging state.

[0027] Specifically, the protection module further includes a thirteenth light-emitting diode D13, the anode and cathode of the thirteenth light-emitting diode D13 are connected in series between the drain of the eleventh PMOS transistor D11 and the emitter of the twelfth transistor D12:

[0028] The thirteenth light emitting diode D13 is provided to indicate to personnel whether the doors and windows are currently in a debugging state, or the displacement state of the door or window sash when the doors and windows are not in a debugging state.

[0029] Specifically, the protection module further includes a fourth resistor R4 , one end of the fourth resistor R4 is connected to the third input end IN3 , and the other end of the fourth resistor R4 is connected to the ground end.

[0030] To prevent the fifth PMOS transistor D5 from being unable to function normally when a signal latch or other circuit element capable of maintaining the signal input state of the gate of the fifth PMOS transistor D5 is used between the third input terminal IN3 and the gate of the fifth PMOS transistor D5, the fourth resistor R4 is provided for release.

[0031] Specifically, the protection module further includes a fifth resistor R5 , one end of which is connected to the gate of the eleventh PMOS transistor D11 , and the other end of which is connected to the ground.

Claims

1. Intelligent high-altitude door and window safety self-inspection protection and maintenance system, including a protection module, characterized in that: The protection module includes a first input end, a second input end, a first output end, a second output end, a first transistor, a second transistor, a third optical coupler module, a fourth optical coupler module, a first resistor, and a second resistor. The first input end is used to receive a door and window opening signal, the second input end is used to receive a door and window closing signal, the first output end is used to send a door and window opening control signal, and the second output end is used to send a door and window closing control signal. The first input end is connected to the base of the first transistor, the collector of the first transistor is connected to the power supply and the collector of the second transistor, the emitter of the first transistor is connected to one end of the first resistor, and the third optical coupler is connected to the power supply. The anode of the light-emitting diode in the module and the cathode of the light-emitting diode in the fourth optocoupler module are connected, the other end of the first resistor is connected to the ground end, the base of the second transistor is connected to the second input end, the emitter of the second transistor is connected to one end of the second resistor, the cathode of the light-emitting diode in the third optocoupler module, and the anode of the light-emitting diode in the fourth optocoupler module are connected, the first output end is connected to the emitter of the phototransistor in the third optocoupler module, the second output end is connected to the emitter of the phototransistor in the fourth optocoupler module, the other end of the second resistor is connected to the ground end, and the collectors of the phototransistors in the third and fourth optocoupler modules are connected to the power supply.

2. The intelligent high-altitude door and window safety self-inspection protection and maintenance system according to claim 1 is characterized in that: The protection module also includes a third input terminal, a fourth input terminal, a fifth PMOS tube, and a sixth diode. The third input terminal is used to receive a door and window vibration signal, the fourth input terminal is used to receive a wind speed signal, the third input terminal is connected to the gate of the fifth PMOS tube and the anode of the sixth diode, the source and drain of the fifth PMOS tube are connected in series between the first input terminal and the base of the first transistor, the cathode of the sixth diode is connected to the base of the second transistor, and the fourth input terminal is connected to the cathode of the sixth diode.

3. The intelligent high-altitude door and window safety self-inspection protection and maintenance system according to claim 2 is characterized in that: The protection module also includes a first capacitor, a seventh diode, and an eighth diode. One end of the first capacitor is connected to the cathode of the sixth diode, and the other end is connected to the ground end. The anode and cathode of the seventh diode are connected in series between the cathode of the sixth diode and the base of the second transistor. The anode and cathode of the eighth diode are connected in series between the second input end and the base of the second transistor.

4. The intelligent high-altitude door and window safety self-inspection protection and maintenance system according to claim 1 or 3 is characterized in that: The protection module also includes a third output terminal, a ninth diode, a tenth diode, and an eleventh PMOS transistor. The anode of the ninth diode is connected to the second input terminal, the cathode of the ninth diode is connected to the cathode of the tenth diode and the gate of the eleventh PMOS transistor, the anode of the tenth diode is connected to the first input terminal, the source of the eleventh PMOS transistor is connected to the power supply, and the drain of the eleventh PMOS transistor is connected to the third output terminal.

5. The intelligent high-altitude door and window safety self-inspection protection and maintenance system according to claim 4 is characterized in that: The protection module also includes a fifth input terminal, a twelfth transistor, and a third resistor. The emitter and collector of the twelfth transistor are connected in series between the drain of the eleventh PMOS tube and the third output terminal. The base of the twelfth transistor is connected to one end of the third resistor and the fifth input terminal, and the other end of the third resistor is connected to the ground terminal.

6. The intelligent high-altitude door and window safety self-inspection protection and maintenance system according to claim 5 is characterized in that: The protection module further includes a thirteenth light emitting diode, wherein the anode and cathode of the thirteenth light emitting diode are connected in series between the drain of the eleventh PMOS tube and the emitter of the twelfth transistor.

7. The intelligent high-altitude door and window safety self-inspection protection and maintenance system according to claim 2 is characterized in that: The protection module further includes a fourth resistor, one end of the fourth resistor is connected to the third input end, and the other end of the fourth resistor is connected to the ground end.

8. The intelligent high-altitude door and window safety self-inspection protection and maintenance system according to claim 4 is characterized in that: The protection module further includes a fifth resistor, one end of which is connected to the gate of the eleventh PMOS tube, and the other end of which is connected to the ground.

Images