CN105871416B - Device for transmitting alarm low-frequency signal by using mains supply line - Google Patents
Device for transmitting alarm low-frequency signal by using mains supply line Download PDFInfo
- Publication number
- CN105871416B CN105871416B CN201610261411.5A CN201610261411A CN105871416B CN 105871416 B CN105871416 B CN 105871416B CN 201610261411 A CN201610261411 A CN 201610261411A CN 105871416 B CN105871416 B CN 105871416B
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- China
- Prior art keywords
- communication controller
- low
- rotary connector
- sealing
- ring
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- Expired - Fee Related
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/546—Combination of signalling, telemetering, protection
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a device for transmitting an alarm low-frequency signal by using a mains supply line, which comprises a case, wherein a communication controller is arranged in the case, a latching relay is arranged in the communication controller, oscillators are connected to two sides of the communication controller, a rotary connector is connected to the top of the communication controller, a high-frequency cable is connected to the rotary connector, a frequency converter is connected to the high-frequency cable, a low-pass filter is connected to the top of the frequency converter, a sealing device is connected to the top of the low-pass filter, the sealing device comprises a check ring and a sealing ring, the check ring and the sealing ring are directly connected into an integrated structure, a flange plate is connected to the top of the sealing ring, the impact of external interference on a precision assembly is reduced by adopting the rotary connector, the overall stability is improved, and the device has the advantages of small volume, light weight and long, compact structure, space saving, simple design, low cost and wide popularization and application.
Description
Technical Field
The invention relates to the electrical field, in particular to a device for transmitting an alarm low-frequency signal by using a mains supply line.
Background
In recent years, with the rapid development of communication technology, how to ensure the smoothness and speed of alarm low-frequency signal transmission becomes the subject of intensive research of people at present, the initial form of a signal transmission rotary connector is an electric slip ring, which transmits data signals and power current energy from a rotating metal ring to a stationary ring by means of the contact of an electric brush and a ring wall, however, as the requirements of people on multimedia signals such as video and the like are higher and higher, the electric slip ring shows the limitations of large energy consumption and poor anti-interference performance, and in addition, the quality of the electric brush also restricts the transmission quality of the signals by means of the electric slip ring transmitting the signals by means of the electric brush.
However, the conventional device for transmitting the alarm low-frequency signal by using the mains supply line in the domestic market at present has weak interference resistance to the external environment, poor stability and poor signal transmission quality.
Disclosure of Invention
Aiming at the problems, the invention provides a device for transmitting an alarm low-frequency signal by using a mains supply line, which reduces the impact of external interference on a precision component by adopting a rotary connector, greatly prolongs the service life of the device, improves the overall stability, is convenient to operate, has the advantages of small volume, light weight, long service life, compact structure, space saving, simple design and low cost, can be widely popularized and used, and can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a device with commercial power line transmission warning low frequency signal, includes quick-witted case, the inside of machine case is equipped with communication controller, communication controller's internally mounted has latching relay, is connected with the oscillator in communication controller's both sides, is connected with rotary connector at communication controller's top, rotary connector is connected with the high frequency cable, and high frequency cable connection has frequency converter, is connected with low pass filter at frequency converter's top, is connected with sealing device at low pass filter's top, sealing device includes retaining ring and sealing washer, and the retaining ring directly is connected into integrated configuration with the sealing washer, is connected with the ring flange at the top of sealing washer.
As a preferred technical solution of the present invention, the top of the flange is connected with a conductive terminal, and the number of the lead terminals is 2.
As a preferred technical solution of the present invention, one side of the conductive terminal is provided with a power supply, and the other side of the conductive terminal is provided with an electricity leading device.
As a preferable technical solution of the present invention, a power amplifier is mounted on a surface of the retainer ring.
As a preferable aspect of the present invention, a communication interface is installed on an outer side of the case.
Compared with the prior art, the invention has the beneficial effects that: the device for transmitting the alarm low-frequency signal by using the mains supply line adopts the rotary connector, when the external environment applies larger load to the rotating shaft of the connector, the influence on a precise rotating device in the connector is smaller, the device is reflected to the actual working condition, namely, the environmental vibration and other interference factors are isolated outside a precise rotating assembly, the impact of the external interference on the precise assembly is reduced, the service life of the device is greatly prolonged, the integral stability is improved, the automatic control system is suitable for the direct-current signal transmission under severe environments such as high voltage, heavy current and serious electromagnetic interference, and the like, the high-voltage isolation problem can be effectively solved, the operation is convenient, the device has the advantages of small volume, light weight and long service life, the structure is compact, the space is saved, the absolute energy conservation and safety in the using process are ensured, the device is high-efficiency, economic and convenient, the design is simple, and the cost is, can be widely popularized and used.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a communication controller according to the present invention;
in the figure: 1-a chassis; 2-a communication controller; 3-latching a relay; 4-an oscillator; 5-a rotary connector; 6-high frequency cable; 7-a frequency converter; 8-a low-pass filter; 9-sealing means; 10-a retainer ring; 11-a sealing ring; 12-a flange plate; 13-a wire terminal; 14-a power supply; 15-an electrical starter; 16-a power amplifier; 17-communication interface.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
referring to fig. 1 and fig. 2, the present invention provides a technical solution: a device for transmitting alarm low-frequency signals by using a mains supply line comprises a case 1, wherein the case 1 is a half-layer 19-inch 4U standard case, a whole panel and a back-inserting type structure is adopted, plug-ins are inserted and pulled out from the back of the device, the connection between the plug-ins is arranged on the whole case 1, a communication controller 2 is arranged in the case 1, a latching relay 3 is arranged in the communication controller 2, the communication controller 2 codes transmitted protection signals and sends the protection signals outwards through the communication controller 2, the working condition of the device is monitored simultaneously, when the plug-ins are abnormal, the latching relay 3 is driven, a working power supply 14 is cut off, so that the working reliability of the device is improved, oscillators 4 are connected to two sides of the communication controller 2, a rotary connector 5 is connected to the top of the communication controller 3, and the rotary connector 5 is connected with a high-frequency cable 6, the high-frequency cable 6 is connected with a frequency converter 7, the top of the frequency converter 7 is connected with a low-pass filter 8, the low-pass filter 8 can enhance the anti-interference capability of the device, the top of the low-pass filter 8 is connected with a sealing device 9, the sealing device 9 is provided with a multistage buffering vibration reduction structure, environmental vibration and other interference factors can be well isolated outside a precise rotating assembly, the damage of interference to the precise rotating assembly and a fixed assembly is reduced, the service life of the device is greatly prolonged, the collimation precision of alarm low-frequency signals is improved, so that the signal rotation transmission efficiency is improved, the sealing device 9 comprises a check ring 10 and a sealing ring 11, the check ring 10 and the sealing ring 11 are directly connected into an integrated structure, the top of the sealing ring 11 is connected with a flange 12, the top of the flange 12 is connected with a conductive terminal 13, and the number, a power supply 14 is arranged on one side of the conductive terminal 13, the power supply 14 is used for converting a direct current power supply of a power plant or a transformer substation into voltage required by the operation of the device, an electricity leading device 15 is arranged on the other side of the conductive terminal 14, a power amplifier 16 is arranged on the surface of the retainer ring 10, and a communication interface 17 is arranged on the outer side of the box body 1; through adopting rotary connector, when external environment applys great load to the connector rotation axis, the influence that the inside accurate rotating device of connector received is less, reflect in the operating condition, show promptly that environmental vibration and other interference factor are isolated outside accurate rotating assembly, the impact of external interference to accurate assembly has been reduced, make the life of device increase greatly, the overall stability promotes, automatic control system, be fit for the high voltage, the heavy current, direct current signal transmission under the adverse circumstances such as electromagnetic interference is serious, and can effectively solve the high-pressure isolation problem, and convenient for operation, small has, light in weight, longe-lived advantage, compact structure, save space, the absolute energy-conservation of use has been guaranteed, safety, and high efficiency, economy, it is convenient, the design is simple, therefore, the carrier wave prepaid electric energy meter is low in cost, can extensively use widely.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (1)
1. The utility model provides a device with warning low frequency signal of mains supply line transmission, includes quick-witted case (1), the inside of quick-witted case (1) is equipped with communication controller (2), the internally mounted of communication controller (2) has blocking relay (3), is connected with oscillator (4) in the both sides of communication controller (2), is connected with rotary connector (5) at the top of communication controller (2), its characterized in that, rotary connector (5) are connected with high frequency cable (6), and high frequency cable (6) are connected with frequency converter (7), are connected with low pass filter (8) at the top of frequency converter (7), are connected with sealing device (9) at the top of low pass filter (8), sealing device (9) include retaining ring (10) and sealing washer (11), and retaining ring (10) and sealing washer (11) direct phase connection become the integrated structure, the top of sealing washer (11) is connected with ring flange (12), the top of ring flange (12) is connected with conductive terminal (13), and the number of conductive terminal (13) is 2, one side of conductive terminal (13) is equipped with power (14), is equipped with electricity-inducing device (15) at the opposite side of wire terminal (13), the surface mounting of retaining ring (10) has power amplifier (16), communication interface (17) are installed in the outside of box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610261411.5A CN105871416B (en) | 2016-04-18 | 2016-04-18 | Device for transmitting alarm low-frequency signal by using mains supply line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610261411.5A CN105871416B (en) | 2016-04-18 | 2016-04-18 | Device for transmitting alarm low-frequency signal by using mains supply line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105871416A CN105871416A (en) | 2016-08-17 |
| CN105871416B true CN105871416B (en) | 2020-03-27 |
Family
ID=56628279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610261411.5A Expired - Fee Related CN105871416B (en) | 2016-04-18 | 2016-04-18 | Device for transmitting alarm low-frequency signal by using mains supply line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105871416B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102148455A (en) * | 2010-12-06 | 2011-08-10 | 西安富士达科技股份有限公司 | Rotatable connector mounted by means of flange panel |
| CN204696455U (en) * | 2015-04-13 | 2015-10-07 | 江门市鼎龙机房技术有限公司 | One can network monitoring intelligence civil power input module |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120007442A1 (en) * | 2009-02-06 | 2012-01-12 | Mark Rhodes | Rotary data and power transfer system |
-
2016
- 2016-04-18 CN CN201610261411.5A patent/CN105871416B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102148455A (en) * | 2010-12-06 | 2011-08-10 | 西安富士达科技股份有限公司 | Rotatable connector mounted by means of flange panel |
| CN204696455U (en) * | 2015-04-13 | 2015-10-07 | 江门市鼎龙机房技术有限公司 | One can network monitoring intelligence civil power input module |
Non-Patent Citations (1)
| Title |
|---|
| 用市电线路传输报警低频信号的装置;刘光林, 盛义发, 刘原;《中南工学院学报》;20000331;第14卷(第1期);75-76,82 * |
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| Publication number | Publication date |
|---|---|
| CN105871416A (en) | 2016-08-17 |
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Granted publication date: 20200327 Termination date: 20210418 |