CN216949939U - Induction door bolt system with indication function - Google Patents
Induction door bolt system with indication function Download PDFInfo
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- CN216949939U CN216949939U CN202122507687.6U CN202122507687U CN216949939U CN 216949939 U CN216949939 U CN 216949939U CN 202122507687 U CN202122507687 U CN 202122507687U CN 216949939 U CN216949939 U CN 216949939U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model discloses an induction door bolt system with an indication function, which is applied to a toilet door and comprises an induction module, a controller, a driving module, an electric door bolt and an indication module; the sensing module is connected with the controller and used for generating a sensing signal; the controller, the driving module and the electric door bolt are sequentially connected, the controller is used for outputting a control signal according to the sensing signal, and the driving module is used for driving the electric door bolt to be opened or closed according to the control signal; the indication module is connected with the controller and displays a projection indication on the sensing area of the sensing module. By adopting the utility model, the door bolt can be opened and closed in a sensing way, infection of a user caused by contact is prevented, the position of a user sensing area can be indicated in a dark environment, and the experience of the user is improved.
Description
Technical Field
The utility model relates to the technical field of toilet induction doors, in particular to an induction door bolt system with an indication function.
Background
As the public washroom is complicated in use population, in order to avoid the infection of germs and viruses, most of faucets and urinals of the public washroom adopt an induction control mode to discharge water, so that the indirect contact between the population is avoided, and the safety and the sanitation are ensured. However, in the process of using the toilet, the toilet door is generally required to be opened by hands, the effect of using the toilet without zero contact is not achieved, and the risk of infection exists; secondly, in order to reduce area occupied and reduce cost, the induction door of lavatory check can only generally adopt the less response keeper in response region, and people are difficult to aim at the position of response region with the response discernment, and in addition, nevertheless under dim environment of light, the people who suffer from night blindness do not distinguish the position of response region well, need constantly explore, experience when the waste time feels not good.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide an induction door bolt system with an indication function, which not only can induct to open and close a door bolt and prevent a user from being infected due to contact, but also can indicate the position of an induction area of the user in a dark environment, thereby improving the experience of the user.
In order to solve the technical problem, the utility model provides an induction door bolt system with an indication function, which is applied to a toilet door and comprises an induction module, a controller, a driving module, an electric door bolt and an indication module; the sensing module is connected with the controller and used for generating a sensing signal; the controller, the driving module and the electric door bolt are sequentially connected, the controller is used for outputting a control signal according to the sensing signal, and the driving module is used for driving the electric door bolt to be opened or closed according to the control signal; the indication module is connected with the controller and displays a projection indication on the sensing area of the sensing module.
As an improvement of the above scheme, the sensing module is an infrared sensing module, and the infrared sensing module comprises an infrared transmitting module and an infrared receiving module; the controller is respectively connected with the infrared transmitting module and the infrared receiving module, the infrared transmitting module is used for transmitting infrared signals to a human body, the infrared receiving module is used for receiving the reflected infrared signals and converting the infrared signals into corresponding voltage signals, and the controller is used for outputting control signals according to the voltage signals.
As an improvement of the above scheme, the infrared emission module includes an infrared emission tube, a first triode, a first current limiting resistor, and a second current limiting resistor; the collector of the first triode is connected with direct-current voltage through the infrared emission tube, the emitter of the first triode is grounded through the first current-limiting resistor, and the base of the first triode is connected with the controller through the second current-limiting resistor.
As an improvement of the above scheme, the infrared receiving module includes a third current-limiting resistor, a second triode, a fourth current-limiting resistor, a third triode, a power supply filter capacitor, an infrared receiving unit and a multistage amplification module; the base electrode of the second triode is connected with the controller through the third current-limiting resistor, the emitting electrode of the second triode is grounded, the collecting electrode of the second triode is connected with the base electrode of the third triode through the fourth current-limiting resistor, the emitting electrode of the third triode is connected with direct-current voltage, the collecting electrode of the third triode is grounded through the power supply filter capacitor, and the collecting electrode of the third triode is also connected with the infrared receiving unit and the multistage amplification module respectively; the input end of the multistage amplification module is connected with the infrared receiving unit, and the output end of the multistage amplification module is connected with the controller.
As an improvement of the above scheme, the multistage amplification module includes a first operational amplifier, a first high-pass filtering unit, a first low-pass filtering amplification unit, a second operational amplifier, a second high-pass filtering unit, a second low-pass filtering amplification unit, and a fifth current-limiting resistor; the anode of the first operational amplifier is connected with the infrared receiving unit through the first high-pass filtering unit, and the cathode of the first operational amplifier is connected with the output end of the first operational amplifier through the first low-pass filtering amplifying unit; the positive pole of the second operational amplifier is connected with the output end of the first operational amplifier through the second high-pass filtering unit, the negative pole of the second operational amplifier is connected with the output end of the second operational amplifier through the second low-pass filtering amplifying unit, and the output end of the second operational amplifier is connected with the controller through the fifth current-limiting resistor.
As an improvement of the above scheme, the infrared receiving unit includes an infrared receiving tube and a voltage dividing resistor, the first high-pass filtering unit includes a high-pass filtering capacitor and a high-pass filtering resistor, and the first low-pass filtering amplifying unit includes a first amplifying resistor, a second amplifying resistor and a low-pass filtering capacitor; the negative electrode of the infrared receiving tube is connected with the collector electrode of the third triode, the positive electrode of the infrared receiving tube is connected with the positive electrode of the first operational amplifier through the high-pass filter capacitor and is grounded through the divider resistor, and the positive electrode of the first operational amplifier is grounded through the high-pass filter resistor; the negative electrode of the first operational amplifier is grounded through the first amplifying resistor and is connected with the output end of the first operational amplifier through the second amplifying resistor, and the low-pass filter capacitor is connected with the second amplifying resistor in parallel.
As an improvement of the above scheme, the indicating module comprises a shell, a light-diffusing piece, an indicating lamp and a sixth current-limiting resistor; the outer surface of the shell is provided with a transparent character pattern area, the light-diffusing sheet and the indicating lamp are arranged in the shell, and the lighting area, the light-diffusing sheet and the transparent character pattern area of the indicating lamp are aligned in sequence; the controller is connected with the anode of the indicator light through the sixth current-limiting resistor, and the cathode of the indicator light is grounded.
As an improvement of the above scheme, the driving module includes a seventh current limiting resistor and a driving chip, an input end of the driving chip is connected to the controller through the seventh current limiting resistor, and an output end of the driving chip is connected to the electric door bolt.
As an improvement of the above scheme, the electric door bolt comprises a motor, a gear transmission mechanism and a door bolt body; the driving module is connected with the motor and is used for driving the motor to rotate forwards, reversely or close according to the control signal; the motor, the gear transmission mechanism and the bolt body are connected in sequence.
As an improvement of the above solution, the sensing bolt system further includes a power supply and voltage stabilization module for providing a dc voltage to the sensing module, the controller, the driving module, and the indicating module, where the power supply and voltage stabilization module includes a power supply, a first filtering unit, a voltage stabilizer, and a second filtering unit, and the dc voltage includes a first dc voltage and a second dc voltage; the power is used for outputting the first direct current voltage, the input end of the voltage stabilizer is connected with the power and is grounded through the first filtering unit, the output end of the voltage stabilizer is grounded through the second filtering unit and is used for outputting the second direct current voltage, and the grounding end of the voltage stabilizer is grounded.
The beneficial effects of the implementation of the utility model are as follows:
in the induction door bolt system, when a user approaches the induction module, the induction module generates a corresponding induction signal, and the controller controls the electric door bolt to be opened and closed according to the induction signal. Secondly, the indicating module can display projection indicating users the sensing area of the sensing module, and night blindness users can distinguish the position of the sensing area in dark environment. Therefore, by adopting the utility model, the door bolt can be opened and closed in a sensing way, the infection of a user caused by contact is prevented, the position of the sensing area of the user is indicated in the dark environment, the problem that the user is difficult to sense the identification instrument to control the opening and closing of the door bolt due to the small sensing area or the sight problem of the traditional sensing area is avoided, and the experience of the user is improved.
Drawings
FIG. 1 is a schematic block diagram of an indicating induction keeper system of the present invention;
FIG. 2 is a schematic electrical circuit diagram of the indicating inductive keeper system of the present invention;
FIG. 3 is a perspective view of a housing of the indicating induction keeper system of the present invention;
fig. 4 is a circuit diagram of the power supply voltage stabilizing module in fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It is only noted that the utility model is intended to be limited to the specific forms set forth herein, including any reference to the drawings, as well as any other specific forms of embodiments of the utility model.
As shown in fig. 1, the present invention provides an inductive door bolt system applied to a toilet door, comprising an inductive module 1, a controller 2, a driving module 3, an electric door bolt 4 and an indicating module 5; the sensing module 1 is connected with the controller 2 and used for generating a sensing signal; the controller 2, the driving module 3 and the electric door bolt 5 are sequentially connected, the controller 2 is used for outputting a control signal according to the sensing signal, and the driving module 3 is used for driving the electric door bolt 4 to be opened or closed according to the control signal; the indication module 5 is connected with the controller 2 and displays a projection indicating the sensing area of the sensing module 1. The sensing module 1 is any one of an infrared sensing module, a capacitance sensing module or a microwave sensing module.
It should be noted that, when a user first approaches the sensing module 1 indoors, the sensing module 1 generates a closing sensing signal, the controller 2 generates a closing control signal according to the closing sensing signal, and the driving module 3 controls the electric door bolt 4 to be closed according to the closing control signal; when a user approaches the sensing module 1 indoors again, the sensing module 1 generates an opening sensing signal, the controller 2 generates an opening control signal according to the opening sensing signal, and the driving module 3 controls the electric door bolt 4 to be opened according to the opening control signal. Secondly, the indication module 5 can display projection indication user the sensing area of the sensing module 1, and the user can also distinguish the position of the sensing area in dark environment. Therefore, by adopting the utility model, the door bolt can be opened and closed in a sensing way, the infection of a user caused by contact is prevented, the position of the sensing area of the user is indicated in the dark environment, the problem that the user is difficult to control the opening and closing of the door bolt by a sensing recognizer due to the small sensing area or sight problem of the traditional sensing area is avoided, and the experience of the user is improved. As shown in the figure, in this embodiment, the controller U3 is preferably an MCU, and the model is preferably a PIC16LF18323, but is not limited thereto, and the above functions can be implemented.
Further, the sensing module 1 is preferably an infrared sensing module, and the infrared sensing module includes an infrared emitting module 11 and an infrared receiving module 12; the controller 2 is respectively connected with the infrared transmitting module 11 and the infrared receiving module 12, the infrared transmitting module 11 is used for transmitting infrared signals to a human body, the infrared receiving module 12 is used for receiving the reflected infrared signals and converting the reflected infrared signals into corresponding voltage signals, and the controller 2 is used for outputting control signals according to the voltage signals.
The infrared signal includes an infrared pulse signal and/or an infrared code signal, the voltage signal includes a pulse signal and/or a code signal, the infrared receiving module 12 can receive the infrared pulse signal or the infrared code signal sent by the infrared transmitting module 11, convert the infrared pulse signal or the infrared code signal into a corresponding pulse signal or a corresponding code signal, and transmit the pulse signal or the code signal to the controller 2 to judge the validity of the signal, so that the reliability is higher.
As shown in fig. 2, the infrared transmitting module 11 includes an infrared transmitting tube D3, a first transistor Q3, a first current limiting resistor R18, and a second current limiting resistor R17; the collector of the first triode Q3 is connected with a direct current voltage 5V through the infrared emission tube D3, the emitter of the first triode Q3 is grounded through the first current limiting resistor R18, and the base of the first triode Q3 is connected with the controller U3 through the second current limiting resistor R17. The first transistor Q3 is preferably an NPN transistor.
It should be noted that, when the ir emitting tube D3 is required to operate, the controller U3 outputs a certain current to the base of the first transistor Q3, the collector and the emitter of the first transistor Q3 are turned on, and the ir emitting tube D3 is powered on to start operating.
As shown in fig. 2, the infrared receiving module 12 includes a third current-limiting resistor R11, a second transistor Q2, a fourth current-limiting resistor R1, a third transistor Q1, a power supply filtering capacitor C1, an infrared receiving unit 121, and a multi-stage amplifying module 120; the base of the second triode Q2 is connected to the controller 2 through the third current-limiting resistor R11, the emitter of the second triode Q2 is grounded, the collector of the second triode Q2 is connected to the base of the third triode Q1 through the fourth current-limiting resistor R1, the emitter of the third triode Q1 is connected to the dc voltage 5V, the collector of the third triode Q1 is grounded through the power supply filter capacitor C1, and the collector of the third triode Q1 is further connected to the infrared receiving unit 121 and the multistage amplification module 120, respectively; the input end of the multistage amplification module 120 is connected to the infrared receiving unit 121, and the output end of the multistage amplification module 120 is connected to the controller U3. The second transistor Q2 is preferably an NPN transistor, and the second transistor is preferably a PNP transistor.
It should be noted that, when the infrared receiving unit 121 needs to operate, the controller U3 outputs a certain current to the base of the second triode Q2, the collector and the emitter of the second triode Q2 are turned on, that is, a certain current is provided to the base of the third triode Q1, the collector and the emitter of the third triode Q1 are turned on, the infrared receiving unit 121 and the multistage amplifying module 120 are powered on and start to operate, and it is safer to control the power on of the infrared receiving unit and the multistage amplifying module by using a dual triode.
Accordingly, the multistage amplification module 120 includes a first operational amplifier U1B, a first high-pass filtering unit 122, a first low-pass filtering amplification unit 123, a second operational amplifier U1A, a second high-pass filtering unit 124, a second low-pass filtering amplification unit 125, and a fifth current limiting resistor R9; the anode of the first operational amplifier U1B is connected to the infrared receiving unit 121 through the first high-pass filtering unit 122, and the cathode of the first operational amplifier U1B is connected to the output end of the first operational amplifier U1B through the first low-pass filtering amplifying unit 123; the anode of the second operational amplifier U1A is connected to the output end of the first operational amplifier U1B through the second high-pass filtering unit 124, the cathode of the second operational amplifier U1A is connected to the output end of the second operational amplifier U1A through the second low-pass filtering amplifying unit 125, and the output end of the second operational amplifier U1A is connected to the controller U3 through the fifth current-limiting resistor R9. The first operational amplifier U1B and the second operational amplifier U1A are preferably operational amplifiers in an LM358 dual operational amplifier chip, a power connection terminal of the LM358 dual operational amplifier chip is connected to a collector of the third triode Q1, and a ground terminal of the LM358 dual operational amplifier chip is grounded.
It should be noted that, the first high-pass filtering unit 122 and the second high-pass filtering unit 124 are configured to remove low-frequency interference, the first low-pass filtering amplifying unit 123 and the second low-pass filtering amplifying unit 125 are configured to remove high-frequency interference and amplify the voltage signal, and the voltage signal is amplified in two stages, so that the sensing is more sensitive and the sensing range is larger.
Further, the infrared receiving unit 121 includes an infrared receiving tube D1 and a voltage dividing resistor R2, the first high-pass filtering unit 122 includes a high-pass filtering capacitor C2 and a high-pass filtering resistor R3, the first low-pass filtering amplifying unit 123 includes a first amplifying resistor R4, a second amplifying resistor R5 and a low-pass filtering capacitor C3, the second high-pass filtering unit 124 includes a high-pass filtering capacitor C4 and a high-pass filtering resistor R6, and the second low-pass filtering amplifying unit 125 includes a first amplifying resistor R7, a second amplifying resistor R8 and a low-pass filtering capacitor C5; the negative electrode of the infrared receiving tube D1 is connected to the collector of the third transistor Q1, the positive electrode of the infrared receiving tube D1 is connected to the positive electrode of the first operational amplifier U1B through the high-pass filter capacitor C2 and is grounded through the voltage dividing resistor R2, and the positive electrode of the first operational amplifier U1B is grounded through the high-pass filter resistor R3; the negative electrode of the first operational amplifier U1B is grounded through the first amplifying resistor R4 and is connected to the output end of the first operational amplifier U1B through the second amplifying resistor R5, and the low-pass filter capacitor C3 is connected in parallel with the second amplifying resistor R5; the output end of the first operational amplifier U1B is connected to the anode of the second operational amplifier U1A through the high-pass filter capacitor C4, and the anode of the second operational amplifier U1A is grounded through the high-pass filter resistor R6; the negative electrode of the second operational amplifier U1A is grounded through the first amplifying resistor R7 and is connected to the output end of the second operational amplifier U1A through the second amplifying resistor R8, and the low-pass filter capacitor C5 is connected in parallel with the second amplifying resistor R8.
Based on the above circuit connection, the specific working principle of the infrared receiving module is as follows:
when the infrared receiving tube D1 receives infrared rays with sufficient light intensity, the infrared receiving tube D1 is turned on and forms a voltage drop, the voltage dividing resistor R2 divides the voltage with the infrared receiving tube D1, and an infrared signal is converted into a voltage signal; the voltage signal enters the first operational amplifier U1B through the first high pass filtering unit 122, is primarily amplified and filtered by the first low pass filtering and amplifying unit 123, enters the second operational amplifier U1A through the second high pass filtering unit 124, and is secondarily amplified and filtered by the second low pass filtering and amplifying unit 125.
As shown in fig. 2 and fig. 3, the indicating module 5 includes a housing 51, a light diffuser, an indicator light D2 and a sixth current limiting resistor R12; the outer surface of the shell 51 is provided with a transparent character pattern area 511, the light-diffusing sheet and the indicator light D2 are both arranged in the shell 51, and the illumination area of the indicator light D2, the light-diffusing sheet and the transparent character pattern area 511 are aligned in sequence; the controller U3 is connected to the positive terminal of the indicator light D2 through the sixth current limiting resistor R12, and the negative terminal of the indicator light D2 is grounded. In this embodiment, the transparent pattern area 511 is preferably provided with a transparent pattern of "sensing area".
It should be noted that, the controller U3 controls the infrared emitting module 11 and the infrared receiving module 12 to operate and simultaneously controls the indicator light D2 to turn on, the light of the indicator light D2 passes through the light diffuser and then irradiates the transparent character pattern area 511, a character pattern of a "sensing area" is formed on the ground, and when a user extends a foot to the "sensing area", the sensing door bolt system makes a corresponding action.
As shown in fig. 2, in order to reduce the volume of the sensing door bolt system as much as possible, the driving module 3 includes a seventh current limiting resistor 31 and a driving chip U4, an input terminal of the driving chip U4 is connected to the controller U3 through the seventh current limiting resistor 31, and an output terminal of the driving chip U4 is connected to the door bolt 4. In this embodiment, the driving chip U4 is preferably an ULN2003 composite transistor chip, and the seventh current limiting resistor 31 includes a resistor R13, a resistor R14, a resistor R15, and a resistor R16.
As shown in fig. 2, the electric door bolt 4 comprises a motor J4, a gear transmission mechanism and a bolt body; the driving module 3 is connected with the motor J4 and is used for driving the motor J4 to rotate forwards, reversely or close according to the control signal; the motor J4, the gear transmission mechanism and the bolt body are connected in sequence. In this embodiment, the motor J2 is preferably a stepping motor, and when the motor J2 rotates forward, the gear transmission mechanism drives the bolt body to close, and when the motor J2 rotates backward, the gear transmission mechanism drives the bolt body to open.
As shown in fig. 1, the sensing keeper system further includes a voltage supply and stabilization module 6 for supplying dc voltage to the sensing module 1, the controller 2, the driving module 3, and the indication module 5. As shown in fig. 4, the power supply voltage stabilizing module 6 includes a power supply J1, a first filtering unit 61, a voltage regulator U2, and a second filtering unit 62, where the dc voltages include a first dc voltage 12V and a second dc voltage 5V; the power supply J1 is configured to output the first dc voltage 12V, the input terminal of the voltage regulator U2 is connected to the power supply J1 and is grounded through the first filtering unit 61, the output terminal of the voltage regulator U2 is grounded through the second filtering unit 62 and is configured to output the second dc voltage 5V, and the ground terminal of the voltage regulator U2 is grounded. As shown in the figure, the VDD terminal of the controller U3 is connected to the second dc voltage 5V, the VSS terminal of the controller U3 is grounded, and the MCLR terminal of the controller U3 is connected to the second dc voltage 5V through an eighth current-limiting resistor R10 and is used as a reset pin of the controller U3; the VDD end of the driving chip U4 is connected with a first direct current voltage of 12V, and the VSS end of the driving chip U4 is grounded; the motor J4 is connected to a first dc voltage of 12V. In this embodiment, the power supply J1 may be a battery or an adapter connected to an external ac power supply; the voltage stabilizer U2 is preferably 7350; the first filtering unit 61 includes a capacitor C8 and a capacitor C9 connected in parallel with each other, and the second filtering unit 62 includes a capacitor C6 and a capacitor C7 connected in parallel with each other.
In conclusion, by adopting the utility model, the door bolt can be opened and closed in a sensing way, the infection of the user caused by contact is avoided, the position of the sensing area of the user can be indicated in the dark environment, and the experience of the night blindness user is improved.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model.
Claims (10)
1. An induction door bolt system with an indication function is applied to a toilet door and is characterized by comprising an induction module, a controller, a driving module, an electric door bolt and an indication module;
the sensing module is connected with the controller and used for generating a sensing signal;
the controller, the driving module and the electric door bolt are sequentially connected, the controller is used for outputting a control signal according to the sensing signal, and the driving module is used for driving the electric door bolt to be opened or closed according to the control signal;
the indication module is connected with the controller and displays and projects the sensing area of the sensing module.
2. The inductive keeper system of claim 1, wherein the inductive module is an infrared inductive module comprising an infrared emitting module and an infrared receiving module;
the controller is respectively connected with the infrared transmitting module and the infrared receiving module, the infrared transmitting module is used for transmitting infrared signals to a human body, the infrared receiving module is used for receiving the reflected infrared signals and converting the infrared signals into corresponding voltage signals, and the controller is used for outputting control signals according to the voltage signals.
3. The inductive keeper system of claim 2, wherein the infrared emitting module comprises an infrared emitting tube, a first triode, a first current limiting resistor, and a second current limiting resistor;
the collector of the first triode is connected with direct current voltage through the infrared emission tube, the emitter of the first triode is grounded through the first current limiting resistor, and the base of the first triode is connected with the controller through the second current limiting resistor.
4. The inductive keeper system of claim 2, wherein the infrared receiving module comprises a third current limiting resistor, a second triode, a fourth current limiting resistor, a third triode, a power supply filter capacitor, an infrared receiving unit and a multistage amplification module;
the base electrode of the second triode is connected with the controller through the third current-limiting resistor, the emitting electrode of the second triode is grounded, the collecting electrode of the second triode is connected with the base electrode of the third triode through the fourth current-limiting resistor, the emitting electrode of the third triode is connected with direct-current voltage, the collecting electrode of the third triode is grounded through the power supply filter capacitor, and the collecting electrode of the third triode is also connected with the infrared receiving unit and the multistage amplification module respectively;
the input end of the multistage amplification module is connected with the infrared receiving unit, and the output end of the multistage amplification module is connected with the controller.
5. The induction keeper system of claim 4, wherein the multi-stage amplification module comprises a first operational amplifier, a first high pass filter unit, a first low pass filter unit, a second operational amplifier, a second high pass filter unit, a second low pass filter unit, and a fifth current limiting resistor;
the anode of the first operational amplifier is connected with the infrared receiving unit through the first high-pass filtering unit, and the cathode of the first operational amplifier is connected with the output end of the first operational amplifier through the first low-pass filtering amplifying unit;
the positive pole of the second operational amplifier is connected with the output end of the first operational amplifier through the second high-pass filtering unit, the negative pole of the second operational amplifier is connected with the output end of the second operational amplifier through the second low-pass filtering amplifying unit, and the output end of the second operational amplifier is connected with the controller through the fifth current-limiting resistor.
6. The induction keeper system of claim 5, wherein said infrared receiving unit comprises an infrared receiving tube and a voltage divider resistor, said first high pass filter unit comprises a high pass filter capacitor and a high pass filter resistor, and said first low pass filter amplifier unit comprises a first amplifier resistor, a second amplifier resistor, and a low pass filter capacitor;
the negative electrode of the infrared receiving tube is connected with the collector electrode of the third triode, the positive electrode of the infrared receiving tube is connected with the positive electrode of the first operational amplifier through the high-pass filter capacitor and is grounded through the divider resistor, and the positive electrode of the first operational amplifier is grounded through the high-pass filter resistor;
the negative electrode of the first operational amplifier is grounded through the first amplifying resistor and is connected with the output end of the first operational amplifier through the second amplifying resistor, and the low-pass filter capacitor is connected with the second amplifying resistor in parallel.
7. The inductive keeper system of claim 1, wherein the indicator module comprises a housing, a light diffuser, an indicator light, and a sixth current limiting resistor;
the outer surface of the shell is provided with a transparent character pattern area, the light-diffusing sheet and the indicating lamp are arranged in the shell, and the lighting area, the light-diffusing sheet and the transparent character pattern area of the indicating lamp are aligned in sequence;
the controller is connected with the anode of the indicator light through the sixth current-limiting resistor, and the cathode of the indicator light is grounded.
8. The inductive keeper system of claim 1, wherein the driver module comprises a seventh current limiting resistor and a driver chip, wherein an input of the driver chip is connected to the controller via the seventh current limiting resistor, and an output of the driver chip is connected to the power keeper.
9. The induction keeper system of claim 1, wherein said electrically powered keeper comprises a motor, a gear train, and a keeper body;
the driving module is connected with the motor and is used for driving the motor to rotate forwards, reversely or close according to the control signal;
the motor, the gear transmission mechanism and the bolt body are connected in sequence.
10. The inductive keeper system of claim 1, further comprising a supply regulator module for providing a dc voltage to the induction module, the controller, the driver module, and the indicator module, the supply regulator module comprising a power supply, a first filtering unit, a regulator, and a second filtering unit, the dc voltage comprising a first dc voltage and a second dc voltage;
the power is used for outputting the first direct current voltage, the input end of the voltage stabilizer is connected with the power and is grounded through the first filtering unit, the output end of the voltage stabilizer is grounded through the second filtering unit and is used for outputting the second direct current voltage, and the grounding end of the voltage stabilizer is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122507687.6U CN216949939U (en) | 2021-10-18 | 2021-10-18 | Induction door bolt system with indication function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122507687.6U CN216949939U (en) | 2021-10-18 | 2021-10-18 | Induction door bolt system with indication function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216949939U true CN216949939U (en) | 2022-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122507687.6U Active CN216949939U (en) | 2021-10-18 | 2021-10-18 | Induction door bolt system with indication function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216949939U (en) |
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2021
- 2021-10-18 CN CN202122507687.6U patent/CN216949939U/en active Active
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