CN213244197U - Video intercom system - Google Patents
Video intercom system Download PDFInfo
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- CN213244197U CN213244197U CN202022754397.7U CN202022754397U CN213244197U CN 213244197 U CN213244197 U CN 213244197U CN 202022754397 U CN202022754397 U CN 202022754397U CN 213244197 U CN213244197 U CN 213244197U
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- intercom system
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Abstract
The utility model provides a video intercom system, including front end equipment, transmission equipment and computer lab equipment, transmission equipment includes first twisted pair line transmitter and second twisted pair line transmitter, first twisted pair line transmitter respectively with the front end equipment and the second twisted pair line transmitter electricity is connected, computer lab equipment with the second twisted pair line transmitter electricity is connected, first twisted pair line transmitter with the second twisted pair line transmitter electricity is connected through a duplex line; the second twisted pair transmitters each include a body and a fixing device. The utility model discloses can realize the remote transmission of signal to can carry out convenient installation and dismantlement to the two twisted pair line transmitters of second.
Description
Technical Field
The utility model relates to a signal transmission technical field, concretely relates to video intercom system.
Background
In the current video intercom system, all cameras in front-end equipment are network digital signals, the distance for transmitting the signals through a network cable is only 80 meters, and the installation and the disassembly of a system machine are troublesome.
SUMMERY OF THE UTILITY MODEL
To the above technical problem, the utility model aims at providing a video intercom system, for solving above-mentioned technical problem, the utility model discloses a following technical scheme realizes:
a video intercom system comprises front-end equipment, transmission equipment and machine room equipment, wherein the transmission equipment comprises a first twisted-pair transmitter and a second twisted-pair transmitter, the first twisted-pair transmitter is electrically connected with the front-end equipment and the second twisted-pair transmitter respectively, the machine room equipment is electrically connected with the second twisted-pair transmitter, and the first twisted-pair transmitter and the second twisted-pair transmitter are electrically connected through a double-core wire;
the second twisted-pair transmission device comprises a machine body and a fixing device, wherein a connecting strip is arranged on the side wall of the machine body, a first permanent magnet is arranged in the connecting strip, a first groove is formed in the lower surface of the connecting strip, a second groove is formed in the side wall of the fixing device, a third groove is formed in the side wall of the second groove, a locking mechanism is arranged at the bottom of the third groove, and a through hole communicated with the outside is formed in the bottom of the third groove;
locking mechanical system includes bracing piece, lever, carriage release lever, second permanent magnet and protruding portion, the bracing piece lower extreme with third recess bottom rigid coupling, the lever lateral wall with the bracing piece lateral wall is articulated, the carriage release lever with the lever is articulated, the carriage release lever lower extreme passes the through-hole extends to the external world, the rigid coupling has on the lever lateral wall the second permanent magnet and the protruding portion.
Advantageously, the head-end equipment comprises network transmission equipment and a camera.
Beneficially, the computer room device comprises a switch, a display device and a storage device.
Advantageously, the camera is an infrared camera.
Advantageously, the display device is a touch screen display.
Advantageously, eight front-end equipment jacks are provided on the second twisted pair transmitter.
The utility model discloses it does to have following beneficial effect:
1. the digital signal is converted into the analog signal through the first twisted pair transmitter, the analog signal can be transmitted to the second twisted pair transmitter outside 2000 meters through the double-core wire and then converted into the digital signal to the machine room equipment, the transmission distance of 80 meters of the traditional digital signal transmitted through a network cable is broken through, the safe, high-speed and stable communication of data on the analog line is realized, the problems of difficult engineering wiring and construction are effectively solved, the construction time and difficulty are greatly reduced, and the cost is greatly saved;
2. the lever moves under the action of magnetic force between the first permanent magnet and the second permanent magnet, so that the protruding part locks the connecting strip, and the machine body and the fixing device are convenient to detach and mount.
Drawings
The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.
FIG. 1 is a circuit connection diagram of the present invention;
fig. 2 is a schematic structural diagram of the first twisted pair transmitter and the second twisted pair transmitter of the present invention.
Reference numerals: the device comprises a machine body 1, a fixing device 2, a connecting strip 3, a first permanent magnet 4, a first groove 5, a second groove 6, a third groove 7, a through hole 8, a supporting rod 9, a lever 10, a moving rod 11, a second permanent magnet 12 and a protruding part 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
As shown in fig. 1-2, a video intercom system includes a front-end device, a transmission device, and a machine room device, where the transmission device includes a first twisted-pair transmitter and a second twisted-pair transmitter, the first twisted-pair transmitter is electrically connected to the front-end device and the second twisted-pair transmitter, respectively, the machine room device is electrically connected to the second twisted-pair transmitter, and the first twisted-pair transmitter and the second twisted-pair transmitter are electrically connected through a single twisted-pair cable;
the second twisted pair conveyor comprises a machine body 1 and a fixing device 2, a connecting strip 3 is arranged on the side wall of the machine body 1, a first permanent magnet 4 is arranged in the connecting strip 3, a first groove 5 is arranged on the lower surface of the connecting strip 3, a second groove 6 is arranged on the side wall of the fixing device 2, a third groove 7 is arranged on the side wall of the second groove 6, a locking mechanism is arranged at the bottom of the third groove 7, and a through hole 8 communicated with the outside is arranged at the bottom of the third groove 7;
locking mechanical system includes bracing piece 9, lever 10, carriage release lever 11, second permanent magnet 12 and protruding portion 13, bracing piece 9 lower extreme with third recess 7 bottom rigid coupling, the lever 10 lateral wall with bracing piece 9 lateral wall is articulated, carriage release lever 11 with lever 10 is articulated, 11 lower extremes of carriage release lever pass through-hole 8 extends to the external world, the rigid coupling has on the lever 10 lateral wall second permanent magnet 12 and protruding portion 13.
According to the utility model discloses an optional implementation mode, the front-end equipment includes network transmission equipment and camera.
According to the utility model discloses an in an optional implementation mode, the computer lab equipment includes switch, display device and storage device.
According to the utility model discloses an in an optional implementation, the camera is infrared camera.
According to an optional embodiment of the present invention, the display device is a touch screen display.
According to the utility model discloses an optional implementation mode, be equipped with eight front end equipment sockets on the second double-stranded conductor transmitter.
The implementation process comprises the following steps:
signals of a network transmission device and a camera of the front-end device belong to digital signals, the digital signals are converted into analog signals for transmission after passing through a first twisted pair transmitter, the analog signals reach a second twisted pair transmitter through two transmission lines, the second twisted pair transmitter converts the analog signals into digital signals again and transmits the digital signals to a switch, a display device and a storage device, the switch transmits the digital signals to other devices, the display device displays the digital signals in an image form, and the storage device stores the digital signals.
When a first twisted-pair transmitter or a second twisted-pair transmitter needs to be installed, firstly, the side wall of the fixing device 2 is fixedly connected with the wall, then the connecting strip 3 is inserted into the second groove 6, when the first permanent magnet 4 moves to the position above the second permanent magnet 12, the first permanent magnet 4 adsorbs the second permanent magnet 12 upwards, the right end of the lever 10 is driven to move upwards, and the protruding portion 13 enters the first groove 5 to complete clamping.
The two-core wire may be an analog wire or a wire.
The first twisted pair transmission has the following characteristics:
the volume is small, and the box can be directly put into a 86 pre-buried box;
the communication bandwidth is larger than 10M;
the maximum point-to-point transmission distance can reach 500 meters, and the transfer can be carried out for 3 times;
most cables such as twisted-pair cables, coaxial cables, direct current wires and alternating current wires are supported;
the working voltage is DC12V, and the device is safe and stable.
The second twisted pair transmitter has the following characteristics:
1 drags 8, can support 8 first twisted pair line transmitters, omit 1 8 exchanges;
the maximum point-to-point transmission distance can reach 500 meters, and the middle part can be switched for 3 times;
most cables such as twisted-pair cables, coaxial cables, direct current wires and alternating current wires are supported;
the working voltage DC12V is safe.
When the first twisted pair transmitter or the second twisted pair transmitter needs to be disassembled, the movable rod 11 only needs to be pulled downwards, the protruding part 13 can be enabled to release the clamping of the connecting strip 3, so that the connecting strip 3 can be smoothly taken out from the second groove 6, and the diameter of the through hole 8 is larger than the diameter of the upper surface and the diameter of the lower surface of the movable rod 11, so that the movable rod 11 cannot be bound by the through hole 8 in the moving process.
The utility model discloses a first twisted pair transmitter converts digital signal into analog signal, can transmit analog signal to the second twisted pair transmitter outside 2000 meters through the duplex line, and reconvert into digital signal to computer lab equipment, has broken through the 80 meters transmission distance that traditional digital signal passes through the net twine transmission, realizes that data is safe, high-speed, stable communication on the analog line, effectively solves engineering wiring and the difficult problem of construction, greatly reduces the engineering time and the degree of difficulty to save the expense greatly; the lever 10 is moved by the magnetic force between the first permanent magnet 4 and the second permanent magnet 12, so that the protrusion 13 locks the connecting strip 3, thereby facilitating the detachment and installation between the body 1 and the fixing device 2.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. A video intercom system is characterized by comprising front-end equipment, transmission equipment and machine room equipment, wherein the transmission equipment comprises a first twisted-pair transmitter and a second twisted-pair transmitter, the first twisted-pair transmitter is electrically connected with the front-end equipment and the second twisted-pair transmitter respectively, the machine room equipment is electrically connected with the second twisted-pair transmitter, and the first twisted-pair transmitter and the second twisted-pair transmitter are electrically connected through a double-core wire;
the second twisted pair conveyor comprises a conveyor body (1) and a fixing device (2), a connecting strip (3) is arranged on the side wall of the conveyor body (1), a first permanent magnet (4) is arranged in the connecting strip (3), a first groove (5) is formed in the lower surface of the connecting strip (3), a second groove (6) is formed in the side wall of the fixing device (2), a third groove (7) is formed in the side wall of the second groove (6), a locking mechanism is arranged at the bottom of the third groove (7), and a through hole (8) communicated with the outside is formed in the bottom of the third groove (7);
locking mechanical system includes bracing piece (9), lever (10), carriage release lever (11), second permanent magnet (12) and protruding portion (13), bracing piece (9) lower extreme with third recess (7) bottom rigid coupling, lever (10) lateral wall with bracing piece (9) lateral wall is articulated, carriage release lever (11) with lever (10) are articulated, carriage release lever (11) lower extreme passes through-hole (8) extend to the external world, the rigid coupling has on lever (10) lateral wall second permanent magnet (12) and protruding portion (13).
2. The video intercom system of claim 1, wherein said head-end equipment comprises network transmission equipment and a camera.
3. The video intercom system according to claim 2, wherein said room equipment comprises a switch, display equipment and storage equipment.
4. A video intercom system as in claim 3 wherein the camera is an infrared camera.
5. The video intercom system of claim 4, wherein said display device is a touch screen display.
6. The video intercom system of claim 5, wherein said second twisted pair transmitter includes eight front end device jacks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022754397.7U CN213244197U (en) | 2020-11-24 | 2020-11-24 | Video intercom system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022754397.7U CN213244197U (en) | 2020-11-24 | 2020-11-24 | Video intercom system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213244197U true CN213244197U (en) | 2021-05-18 |
Family
ID=75883202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022754397.7U Expired - Fee Related CN213244197U (en) | 2020-11-24 | 2020-11-24 | Video intercom system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213244197U (en) |
-
2020
- 2020-11-24 CN CN202022754397.7U patent/CN213244197U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210518 Termination date: 20211124 |
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| CF01 | Termination of patent right due to non-payment of annual fee |