CN203630236U - Safety detection and control system used in electric power field - Google Patents
Safety detection and control system used in electric power field Download PDFInfo
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- CN203630236U CN203630236U CN201320699842.1U CN201320699842U CN203630236U CN 203630236 U CN203630236 U CN 203630236U CN 201320699842 U CN201320699842 U CN 201320699842U CN 203630236 U CN203630236 U CN 203630236U
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Abstract
The utility model discloses a safety detection and control system used in the electric power field. The system is mainly composed of a remote control unit and a main control unit which are connected with each other through a wireless network. The main control unit is composed of a voltage sensor, a main control module circuit, an isolation circuit and an analog switch circuit which are connected in sequence. The remote control unit is composed of a radio frequency transceiver and a remote control circuit which are connected with each other. The safety detection and control system is reasonable in design, the design of a single chip microcomputer is put forward and used as the core of the safety detection and control system, a variety of signals associated with the system can be processed, and the system has the advantages of simple connection structure, low energy consumption, high working efficiency and the like.
Description
Technical field
The utility model relates to measurement and control area, specifically, is a kind of safe TT&C system that is applied to power domain.
Background technology
At present, the quality of power supply is monitored to be generally that tester carries out to scene, the test duration is long, and to execute-in-place, just single-point monitors at every turn.Multiple spot automatic monitoring is a kind of supervision means efficiently, is development trend.Be to strengthen monitoring to the Main Means of Power quality management, pinpoint the problems, take solution for problem.In recent years, the electric system of China develops rapidly, many transformer stations and power supply station are all carrying out robotization and unattended transformation, therefore application state monitoring and control technology and develop new status monitoring and control technology one of most important task in Cheng Liao China Comprehensive Automatic System for Substation research in the electric system such as transformer station.
Utility model content
The purpose of this utility model is to provide a kind of safe TT&C system that is applied to power domain, reasonable in design, the design of single-chip microcomputer has been proposed, and set it as the core of this safe TT&C system, its major function can not only be processed the multiple signal relevant with system, also have syndeton simple, system energy consumption is low, work efficiency high.
The utility model is achieved through the following technical solutions: a kind of safe TT&C system that is applied to power domain, mainly formed by the remote control unit connecting by wireless network each other and main control unit, main control unit described in it is made up of the voltage sensor connecting successively, main control module circuit, buffer circuit and analog switching circuit, and the remote control unit described in it is made up of radio-frequency (RF) transceiver connected to one another and remote control circuit.
For better realizing the utility model, described main control module main circuit will be made up of the A/D data converter, main control chip, the radio-frequency (RF) transceiver that connect successively, described A/D data converter connects voltage sensor, described main control chip is by buffer circuit connecting analog on-off circuit, and described voltage sensor is all connected 220V AC high-tension electricity with analog switching circuit simultaneously.
In the utility model, the model of described main control chip is preferably STC89C52.
In the utility model, described A/D data converter is preferably ADS7867.
In the utility model, the model of described telepilot process chip is preferably AT89C51.
In the utility model, described LCDs is preferably LED1602.
In the utility model, described buffer circuit chip adopts ADuM7241.
For better realizing the utility model, described remote control circuit is made up of the keyboard matrix connecting successively, telepilot process chip and LCDs, and described telepilot process chip connects radio-frequency (RF) transceiver.
In the utility model, the model of described radio-frequency (RF) transceiver is preferably NRF905.
Its principle of work is, sensor connects 220V high pressure to carry out voltage sensor to its circuit and then after A/D data converter carries out data processing, is sent to main control chip and carries out being sent to remote control unit by radio-frequency (RF) transceiver after advanced treating, the radio-frequency (RF) transceiver of remote control unit is processed the data that receive by remote-controlled chip, then be shown in LCDs, staff is undertaken sending through radio-frequency (RF) transceiver through remote processing chip data after treatment after true-time operation by keyboard matrix, after being received by the radio-frequency (RF) transceiver of main control unit, after the further processing of main control chip, carry out true-time operation through buffer circuit by the analog switch being connected with 220V high pressure.Each several part effect in this process is: in main control unit part, A/D digital-to-analog conversion sub-block is connected with voltage sensor module, receives the simulating signal sending from voltage sensor; Main control chip is connected with simulated high-pressure switch module by buffer circuit, sends low and high level and come the closure state of gauge tap circuit; Main control chip is also connected with radio-frequency (RF) transceiver, the magnitude of voltage of high-tension bus-bar after treatment is issued to user, and remote control unit, arrives main control module by wireless duplex agreement emission control orders, then tested magnitude of voltage is sent back to telepilot by wireless network, and then show tested magnitude of voltage.
The utility model compared with prior art, has the following advantages and beneficial effect:
1, the utility model is reasonable in design, adopts the core of single-chip microcomputer as this electric power safety monitoring system, and its major function is to process the multiple signal relevant with system, can not only realize the high precision of data processing, and system power dissipation is little, has extremely strong practicality.
2, the volume of native system is little, low in energy consumption, and cost is low, reliability is high.
3, native system reduces the chance that work about electric power personnel directly contact with accident source on the one hand, has ensured work about electric power personnel's personal safety; On the other hand, coordinate other safety-protection system, can realize to a certain extent the unmanned of transformer station, also reduced the financial expense of transformer station simultaneously.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present utility model.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment:
A kind of safe TT&C system that is applied to power domain, as shown in Figure 1, mainly formed by the remote control unit connecting by wireless network each other and main control unit, main control unit described in it is mainly by the voltage sensor connecting successively, connect main control chip STC89C52 by A/D data converter ADS7867, main control chip STC89C52 bus connects the main control module circuit of radio-frequency (RF) transceiver NRF905 composition, the buffer circuit and the analog switching circuit that are made up of ADuM7241 chip are formed, described A/D data converter ADS7867 connects voltage sensor, described main control chip STC89C52 is by ADuM7241 chip connecting analog on-off circuit, described voltage sensor is all connected 220V AC high-tension electricity with analog switching circuit simultaneously, remote control unit described in it is by radio-frequency (RF) transceiver NRF905 connected to one another and keyboard matrix by being connected successively, telepilot process chip AT89C51, the remote control circuit composition of LCDs LED1602 composition, described telepilot process chip AT89C51 connects radio-frequency (RF) transceiver NRF905.
Its principle of work is, sensor connects 220V high pressure to carry out voltage sensor to its circuit and then after A/D data converter ADS7867 carries out data processing, is sent to after main control chip STC89C52 carries out advanced treating and is sent to remote control unit by radio-frequency (RF) transceiver NRF905, the radio-frequency (RF) transceiver NRF905 of remote control unit processes the data that receive by remote-controlled chip AT89C51, then be shown on LCDs LED1602, staff is undertaken sending through radio-frequency (RF) transceiver through remote processing chip AT89C51 data after treatment after true-time operation by keyboard matrix, after being received by the radio-frequency (RF) transceiver NRF905 of main control unit, after the further processing of main control chip STC89C52, after buffer circuit, carry out true-time operation by the analog switch being connected with 220V high pressure.Each several part effect in this process is: in main control unit part, A/D digital-to-analog conversion sub-block is connected with voltage sensor module, receives the simulating signal sending from voltage sensor; Main control chip is connected with simulated high-pressure switch module by buffer circuit, sends low and high level and come the closure state of gauge tap circuit; Main control chip is also connected with radio-frequency (RF) transceiver, the magnitude of voltage of high-tension bus-bar after treatment is issued to user, and remote control unit, arrives main control module by wireless duplex agreement emission control orders, then tested magnitude of voltage is sent back to telepilot by wireless network, and then show tested magnitude of voltage.
The utility model is reasonable in design, adopts the core of single-chip microcomputer as this electric power safety monitoring system, and its major function is to process the multiple signal relevant with system, can not only realize the high precision of data processing, and system power dissipation is little, has extremely strong practicality.
The above; it is only preferred embodiment of the present utility model; not the utility model is done to any pro forma restriction, any simple modification, equivalent variations that every foundation technical spirit of the present utility model is done above embodiment, within all falling into protection domain of the present utility model.
Claims (9)
1. one kind is applied to the safe TT&C system of power domain, it is characterized in that: mainly formed by the remote control unit connecting by wireless network each other and main control unit, main control unit described in it is made up of the voltage sensor connecting successively, main control module circuit, buffer circuit and analog switching circuit, and the remote control unit described in it is made up of radio-frequency (RF) transceiver connected to one another and remote control circuit.
2. a kind of safe TT&C system that is applied to power domain according to claim 1, it is characterized in that: described main control module main circuit will be made up of the A/D data converter, main control chip, the radio-frequency (RF) transceiver that connect successively, described A/D data converter connects voltage sensor, described main control chip is by buffer circuit connecting analog on-off circuit, and described voltage sensor is all connected 220V AC high-tension electricity with analog switching circuit simultaneously.
3. a kind of safe TT&C system that is applied to power domain according to claim 2, is characterized in that: the model of described main control chip is STC89C52.
4. a kind of safe TT&C system that is applied to power domain according to claim 2, is characterized in that: described A/D data converter is ADS7867.
5. a kind of safe TT&C system that is applied to power domain according to claim 2, is characterized in that: the model of described telepilot process chip is AT89C51.
6. a kind of safe TT&C system that is applied to power domain according to claim 2, is characterized in that: described LCDs is LED1602.
7. a kind of safe TT&C system that is applied to power domain according to claim 1 and 2, is characterized in that: described buffer circuit chip adopts ADuM7241.
8. a kind of safe TT&C system that is applied to power domain according to claim 1, it is characterized in that: described remote control circuit is made up of the keyboard matrix connecting successively, telepilot process chip and LCDs, described telepilot process chip connects radio-frequency (RF) transceiver.
9. according to a kind of safe TT&C system that is applied to power domain described in claim 1,2,8 any one, it is characterized in that: the model of described radio-frequency (RF) transceiver is NRF905.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320699842.1U CN203630236U (en) | 2013-11-07 | 2013-11-07 | Safety detection and control system used in electric power field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320699842.1U CN203630236U (en) | 2013-11-07 | 2013-11-07 | Safety detection and control system used in electric power field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203630236U true CN203630236U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320699842.1U Expired - Lifetime CN203630236U (en) | 2013-11-07 | 2013-11-07 | Safety detection and control system used in electric power field |
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| Country | Link |
|---|---|
| CN (1) | CN203630236U (en) |
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2013
- 2013-11-07 CN CN201320699842.1U patent/CN203630236U/en not_active Expired - Lifetime
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140604 |