CN213279932U

CN213279932U - Safety communication system

Info

Publication number: CN213279932U
Application number: CN202022635133.XU
Authority: CN
Inventors: 周军
Original assignee: Suzhou Zhonglian Interoperability Information Technology Co ltd
Current assignee: Suzhou Zhonglian Interoperability Information Technology Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-05-25
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses a safe communication system relates to communication technology, aims at solving present communication device height and fixes, only can adapt to adult's height to lead to when minor carries out the communication dialogue through this system, the problem of the condition of the device of can't appearing enough easily, its technical scheme main points are: including door frame, two limiting plates of fixed connection in the door frame and the intercom of sliding connection between two limiting plates, the equal fixedly connected with baffle one in upper and lower both ends of intercom, the equal fixedly connected with baffle two of door frame top bottom surface is located two between the limiting plate, the height that the biggest available length of two baffles one, two baffles two and intercom is equal to the limiting plate is equipped with between two limiting plates with intercom fixed connection's cylinder, the cylinder is connected with control circuit. The utility model discloses can adjust its level position according to user's height.

Description

Safety communication system

Technical Field

The utility model relates to a communication technology, more specifically say, it relates to a safe communication system.

Background

The building intercom is a safe communication system. The communication system realizes mutual communication and information exchange among visitors, residents and property management centers in a multi-storey or high-rise building and realizes the control of safe access channels of a community, and when visitors need to communicate with the residents, the communication system is often used for realizing conversation without the need of the residents going downstairs for conversation, and the visitors are prevented from directly entering residents.

However, the existing communication system is usually embodied in the form of an intercom device mounted on a door frame of a corridor, but the existing communication device is fixed in height and can only adapt to the height of an adult, so that the situation that the intercom device cannot be reached easily occurs when a minor carries out communication conversation through the communication system.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a safe communication system, can adjust its level position according to user's height to the not enough of prior art existence.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a safe communication system, includes two limiting plates of door frame, fixed connection in the door frame and the intercom of sliding connection between two limiting plates, the equal fixedly connected with baffle one in upper and lower both ends of intercom, the equal fixedly connected with baffle two that is located between two limiting plates of door frame top bottom surface, two the maximum available length of baffle one, two baffle two and intercom equals the height of limiting plate, two be equipped with the cylinder with intercom fixed connection between the limiting plate, the cylinder is connected with control circuit, works as when control circuit detects personnel, control circuit control cylinder moves down the intercom to personnel's place height.

Through adopting above-mentioned technical scheme, when people need use this communication system to converse, people can stand before the door frame, come people's existence to detect through control circuit, and drive the displacement about the emergence of intercom between two limiting plates through its control cylinder, make the intercom adjust to the position that accords with people's height, and control circuit can detect the intercom for people's position, and control cylinder stop work, make people use the intercom, from this one, this communication system can adapt to different crowds' height, make things convenient for people to use.

The utility model discloses further set up to: the control circuit comprises a personnel detection circuit which outputs a starting signal when detecting personnel;

a height detection circuit that outputs a stop signal when it detects a person;

the input end of the start-stop circuit is respectively coupled with the output ends of the personnel detection circuit and the height detection circuit, and the start-stop circuit generates a conducting signal when receiving a starting signal and resets when receiving a stopping signal;

and the input end of the switch circuit is coupled with the output end of the start-stop circuit, and the switch circuit controls the electromagnetic valve of the air cylinder to be electrified after receiving the conduction signal.

The utility model discloses further set up to: the personnel detection circuit comprises a pyroelectric detector I fixedly connected to the limiting plate.

The utility model discloses further set up to: the height detection circuit comprises a pyroelectric detector II fixedly connected to the interphone.

The utility model discloses further set up to: the start-stop circuit comprises a monostable circuit based on a chip NE 555.

The utility model discloses further set up to: the switching circuit includes a triode switching circuit.

The utility model discloses further set up to: the limiting plates are fixedly connected with sliding rails on one sides facing each other, and the left side and the right side of the interphone are respectively connected in the two sliding rails in a sliding mode.

Through adopting above-mentioned technical scheme, through setting up the slide rail to make it can carry out effective spacing at the in-process of displacement to the intercom, avoid its condition that takes place to break away from.

To sum up, the utility model discloses following beneficial effect has:

when people need use this communication system to converse, people can stand before the door frame, come people's existence to detect through control circuit, and drive the displacement about the emergence of intercom between two limiting plates through its control cylinder, make the intercom adjust to the position that accords with people's height, and control circuit can detect the intercom for people's position, and control cylinder stop work, make people use the intercom, from this, this communication system can adapt to different crowds' height, make things convenient for people to use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a block diagram of the present invention;

FIG. 4 is a circuit diagram of a man detection circuit according to the present invention;

fig. 5 is a circuit diagram of a height detection circuit according to the present invention;

fig. 6 is a circuit diagram of the start/stop circuit and the switch circuit of the present invention.

In the figure: 1. a door frame; 2. a limiting plate; 3. a first baffle plate; 4. a second baffle plate; 5. an interphone; 6. a slide rail; 7. a person detection circuit; 8. a height detection circuit; 9. a start-stop circuit; 10. a switching circuit; 11. an electromagnetic valve.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Example (b):

as shown in fig. 1 and 2, a safe communication system, including door frame 1, two limiting plates 2 of fixed connection in door frame 1 and intercom 5 of sliding connection between two limiting plates 2, one side fixedly connected with slide rail 6 of limiting plate 2 mutual orientation, sliding connection is in two slide rails 6 respectively in intercom 5's the left and right sides, the equal fixedly connected with baffle one 3 in intercom 5's the upper and lower both ends, the equal fixedly connected with baffle two 4 between two limiting plates 2 of door frame 1 top bottom surface, two baffles one 3, the maximum available length of two baffles two 4 and intercom 5 equals the height of limiting plate 2, be equipped with the cylinder with intercom 5 fixed connection between two limiting plates 2, the cylinder is connected with control circuit.

When people need be through using intercom 5, people can glue before door frame 1, control the level position of intercom 5 through control circuit, make control circuit can control the cylinder and drive intercom 5 and move down, and the slide rail 6 of both sides plays effectual direction effect to intercom 5, and when the output that intercom 5 followed the cylinder carries out displacement from top to bottom, intercom 5 can drive baffle one 3 and take place the displacement, the condition of overlapping or expansion takes place for baffle one 3 and baffle two 4, thereby make baffle one 3 and baffle two 4 can shelter from the position between two limiting plate 2.

As shown in fig. 3, the control circuit includes a person detection circuit 7 outputting a start signal when a person is detected, a height detection circuit 8 outputting a stop signal when a person is detected, a start/stop circuit 9 having an input terminal coupled to the output terminals of the person detection circuit 7 and the height detection circuit 8, respectively, and generating a conduction signal when receiving the start signal, and resetting when receiving the stop signal, and a switch circuit 10 having an input terminal coupled to the output terminal of the start/stop circuit 9 and controlling the solenoid valve 11 of the cylinder to be energized after receiving the conduction signal.

As shown in fig. 4, the person detection circuit 7 includes a pyroelectric detector-IC 1 and 9235-4531 switch chip IC2, a 3 pin of the pyroelectric detector-IC 1 is electrically connected, a 6 pin thereof is grounded, a slide rheostat RP1 is connected in series between the 4 and 5 pins thereof, an output terminal of the pyroelectric detector-IC 1 is connected with a 3 pin of the 9235-4531 switch chip IC2, a 4 pin of the 9235-4531 switch chip IC2 is grounded, a 6 pin thereof is connected with a resistor R1 and a resistor R2 and then grounded, a 1 pin thereof is electrically connected, a power supply is grounded with a 1 pin of the 9235-4531 switch chip IC2 and a 8 pin thereof is grounded, a resistor R3 is connected between the power supply and a 1 pin of the 9235-4531 switch chip IC2 and then connected with a mos transistor mosfet, the other end of the mos transistor mosfet is grounded, when a person stands in front of the door frame 1, the presence of a person in the pyroelectric detector-IC 1 is detected, and send the electrical signal of high level to 9235 and 4531 switch chip IC2, 9235 and 4531 switch chip IC2 will output a signal of high level after continuously receiving the electrical signal of high level for 3 seconds, MOSFET receives the signal, thus make its circuit turn on, connect the input end of the first inverter between R3 and MOSFET, output a low level conducting signal through the first inverter.

As shown in fig. 5, the height detection circuit 8 includes a pyroelectric detector two IC3, wherein 3 pins of the pyroelectric detector two IC3 are electrically connected, 6 pins thereof are grounded, a slide rheostat RP2 is connected in series between 4 pins and 5 pins thereof, and when the pyroelectric detector two IC3 provided on the interphone 5 reaches the height of a person, the pyroelectric detector two IC3 detects infrared rays of the person and sends a high-level stop signal, and the stop signal becomes a low-level stop signal after passing through an inverter two.

As shown in fig. 6, the start/stop circuit 9 includes a monostable circuit IC3 based on a chip NE555, a resistor R3 and a mosfet connected between pin 2 of a monostable circuit IC3 based on the chip NE555, and a power supply connected after pin 6 and pin 7 of a monostable circuit IC3 based on the chip NE555 are short-circuited, and the other end of pin 6 is connected with a capacitor C1 and then grounded, pin 1 thereof is grounded, pin 5 thereof is connected with a capacitor C2 and then grounded, pin 8 thereof is connected with the power supply, pin 4 of a monostable circuit IC3 based on the chip NE555 is connected with an output terminal of a pyroelectric detector two IC3, pin 3 of a monostable circuit IC3 based on the chip NE555 is connected with a resistor R4 and then connected with a base of a transistor switching circuit VT of the switching circuit 10, an emitter of the transistor switching circuit VT is grounded, a collector thereof is connected with a solenoid valve 11YV of the cylinder and a zener diode VD is connected in parallel with the solenoid valve 11YV of the cylinder, when a conducting signal is input into a pin 2 of a monostable circuit IC3 based on a chip NE555, a monostable circuit IC3 based on the chip NE555 starts triggering, and a high-level signal is output, so that a triode switch circuit VT is conducted, a solenoid valve 11YV of an air cylinder is electrified, and the air cylinder is driven to start working, and when a stopping signal is input, the stopping signal is input into a pin 4 of a monostable circuit IC3 based on the chip NE555, and the monostable circuit IC3 based on the chip NE555 is controlled to reset, so that a low level is output to a pin 3 of the monostable circuit IC3 based on the chip NE555, the triode switch circuit VT is disconnected, the solenoid valve 11YV of the air cylinder is powered off, and the air cylinder is stopped.

When people of different heights stood before door frame 1, people can last to detect several seconds through personnel detection circuitry 7, make its adjustment that can control the cylinder and drive intercom 5 height position from top to bottom from this, and after adjusting, height detection circuitry 8 on the intercom 5 can detect human infrared ray, thereby control the cylinder stop work, make intercom 5 stop on the height that people need, then take place to move back again, thereby adapt to the people of different heights.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A secure communication system, comprising: including door frame (1), two limiting plates (2) of fixed connection in door frame (1) and intercom (5) of sliding connection between two limiting plates (2), the equal fixedly connected with baffle one (3) in upper and lower both ends of intercom (5), the equal fixedly connected with baffle two (4) that the door frame (1) top bottom surface is located between two limiting plates (2), two the maximum available length of baffle one (3), two baffle two (4) and intercom (5) equals the height of limiting plate (2), two be equipped with the cylinder with intercom (5) fixed connection between limiting plate (2), the cylinder is connected with control circuit, works as when control circuit detected personnel, control circuit control cylinder moved down intercom (5) to personnel's height.

2. A secure communications system according to claim 1, wherein: the control circuit comprises a person detection circuit (7) which outputs a start signal when a person is detected;

a height detection circuit (8) that outputs a stop signal when it detects a person;

the input end of the start-stop circuit (9) is respectively coupled with the output ends of the personnel detection circuit (7) and the height detection circuit (8), and the start-stop circuit generates a conducting signal when receiving a starting signal and resets when receiving a stopping signal;

and the input end of the switch circuit (10) is coupled with the output end of the start-stop circuit (9), and the switch circuit controls the electromagnetic valve (11) of the air cylinder to be electrified after receiving the conducting signal.

3. A secure communications system according to claim 2, wherein: the personnel detection circuit (7) comprises a pyroelectric detector I fixedly connected to the limiting plate (2).

4. A secure communications system according to claim 2, wherein: the height detection circuit (8) comprises a pyroelectric detector II fixedly connected to the interphone (5).

5. A secure communications system according to claim 2, wherein: the start-stop circuit (9) comprises a monostable circuit based on a chip NE 555.

6. A secure communications system according to claim 2, wherein: the switching circuit (10) comprises a triode switching circuit.

7. A secure communications system according to claim 1, wherein: one side fixedly connected with slide rail (6) that limiting plate (2) faced each other, the left and right sides of intercom (5) sliding connection respectively is in two slide rails (6).