CN2476894Y - Wireless remote controlled switch, metering and alarm device - Google Patents
Wireless remote controlled switch, metering and alarm device Download PDFInfo
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- CN2476894Y CN2476894Y CN 01216757 CN01216757U CN2476894Y CN 2476894 Y CN2476894 Y CN 2476894Y CN 01216757 CN01216757 CN 01216757 CN 01216757 U CN01216757 U CN 01216757U CN 2476894 Y CN2476894 Y CN 2476894Y
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Abstract
The utility model relates to a wireless remote control switch, measuring and alarming device. The upper layer of the theft proof box body is provided with a current mutual inductor, a voltage mutual inductor and a high pressure vacuum contacting device; the lower layer is provided with a multifunctional energy mater, a current relay, a middle relay, a time relay and a wireless signal dispatching device. The left and right sides of the box body and the lower drawer are respectively provided with a theft proof lock. The circuit part comprises a switch circuit, an energy measuring circuit, an overflow and short circuit protecting circuit and an alarming circuit. The utility model can be used in the high pressure distribution network; the utility model can be used for carrying out the remote control, measuring, protection and alarming to the branch circuit and a plurality of transformer; and the utility model has a remote control radius of twenty km by utilizing the PC machine.
Description
The utility model relates to a kind of high voltage distribution installation, has multiple uses such as remote control switch, electric energy metrical, phase breaking alarm, and use both capable of being combined can be used as a device separately again.Particularly be a kind of radio remote control switch, metering and warning device.
Large-scale electric equipment in the at present domestic transmission and distribution line, most of switch and metering two cover function independent device of adopting are controlled and are measured.Though the employing that has has switch and function of measuring in the remote control of one, be main box owing to adopt oil-immersed breaker, installation and maintenance are very inconvenient, and binding post is above casing, and high-voltage line is exposed outside, and theftproof performance is relatively poor.Phase failure that causes to the line load situation and because of the fault or the artificial destruction of circuit etc. can't in time be understood.Patent documentation is not found the patented product that has functions such as radio remote control switch, metering and burglar alarm simultaneously by retrieval.
In view of the shortcoming that prior art exists, of the present utility model from just be to provide a kind of radio remote control switch, metering and warning device.Can utilize PC or palmtop PC wireless remote control console switch and metering to check meter, in time observe current electric current, the magnitude of voltage of circuit and can receive the phase breaking alarm signal.Avoid artificial pole-climbing to check meter, both convenient, safe and efficient again, help realizing the modernization of the management of power use.
Above-mentioned purpose is realized by following technical proposals:
The utility model is made up of Security case body, drawer, high voltage porcelain bushing (or steel pipe), anti-theft lock, dry-type current transformer, dry-type voltage inductor, high pressure vacuum contact (opening circuit) device, current relay, auxiliary relay, the time relay, multifunctional electric energy meter, wireless signal transceiver, palmtop PC and master station.Its box house is divided into two-layer up and down.The bottom of casing is a drawer type, and the front end of drawer is provided with anti-theft lock.Two dry-type current transformers are equipped with on the upper strata, two dry-type voltage inductors, high pressure vacuums contact (opening circuit) device, and other all is contained in the drawer of lower floor.Respectively adorn an anti-theft lock between two ends, the casing left and right sides and the left and right sides wall.High voltage porcelain bushing (or steel pipe) is contained in the both sides, front and back of casing.Constitute switch (divide-shut brake) loop by control relay, the time relay, auxiliary relay, high pressure vacuum contact (opening circuit) device and wireless signal transceiver.Secondary side by two dry-type current transformers and two dry-type voltage inductors connects multifunctional electric energy meter respectively, constitutes the electric energy metrical loop.Constitute overcurrent and short-circuit protection circuit by dry-type current transformer, dry-type voltage inductor, current relay, the time relay and auxiliary relay.Constitute the phase breaking alarm circuit by dry-type voltage inductor and wireless signal transceiver.Realize that by dry-type current transformer, dry-type voltage inductor, wireless signal transceiver, palmtop PC or master station electric current, voltage show.
Wireless signal transceiver in above-mentioned radio remote control switch, metering and the warning device is made up of three single-chip microcomputers, A/D converter, data storage, latch, trigger, modulator-demodulator, NAND gate, 485 conversion chips, three transformers, two current transformers and switching tube etc.With the passage of radio station as signal transmitting and receiving.Wherein single-chip microcomputer 1 is connected with A/D converter, data storage, latch, modulator-demodulator, NAND gate, 485 conversion chips and single-chip microcomputer 2 respectively.Latch is connected with data storage.NAND gate is connected with single-chip microcomputer 2, modulator-demodulator, 485 conversion chips and switching tube.Voltage signal connects A/D converter behind transformer transformation, rectifying and voltage-stabilizing.Current signal connects A/D converter after current transformer, current/voltage conversion.
In the switch of above-mentioned radio remote control switch, metering and warning device (divide-shut brake) loop, the normally opened contact of control relay connects the normally-closed contact of the time relay, the normally-closed contact of the time relay connects the coil of auxiliary relay, and the normally opened contact of auxiliary relay connects the divide-shut brake coil of high pressure vacuum contact (opening circuit) device.The coil of control relay is subjected to wireless signal transceiver control power on/off.
In the overcurrent and short-circuit protection circuit of above-mentioned radio remote control switch, metering and warning device; the coil of the secondary side joint current relay of dry-type current transformer; the normally opened contact of current relay connects the coil of the time relay, the coil of the auxiliary relay that continues in the middle of the normally-closed contact of the time relay connects.
In the warning circuit of above-mentioned radio remote control switch, metering and warning device, dry-type voltage inductor secondary side voltage connects the transformer of wireless signal transceiver, connects trigger after rectification again, and trigger connects single-chip microcomputer 3, connect single-chip microcomputer 2 again, single-chip microcomputer 2 connects the external interrupt input pin of single-chip microcomputer 1 again.
Wireless signal transceiver in above-mentioned radio remote control switch, metering and the warning device is connected with the signal output part of multifunctional electric energy meter, carries out exchanges data.The master station system is made up of PC, Control Software, Modem remote data communication plate, radio station.
The utility model is applicable to and exchanges 6～10 kilovolts, in the high voltage distribution network of frequency 50Hz, each branched line or separate unit and many transformers are controlled, measured and monitor, have multiple functions such as switch, electric energy metrical, electric current, voltage demonstration, phase breaking alarm.Use both capable of being combined can be used separately again.This device adopts dry-type current, voltage transformer, and the loam cake of casing is installed anti-theft lock, and the bottom of casing is a drawer type, and is provided with anti-theft lock, and high voltage porcelain bushing (or steel pipe) is contained in the both sides of casing, and installation and maintenance are convenient, and is antitheft electrically strong.Utilize the PC can be more than 20 kilometers at radius, utilize palmtop PC can be in 2 kilometers wireless remote control console switch and metering check meter, and can observe current electric current, the magnitude of voltage of circuit and receive the phase breaking alarm signal.Power supply department can be understood the load condition of each branched line at any time, and the root a tree name need be adjusted load.
Accompanying drawing 1 is that master of the present utility model looks partial sectional view.
Accompanying drawing 2 is that partial sectional view is looked on a left side of the present utility model.
Accompanying drawing 3 is the partial sectional views of overlooking of the present utility model.
Accompanying drawing 4 is circuit theory diagrams of the present utility model.
Accompanying drawing 5 is principle sketches of wireless signal transceiver of the present utility model.
In conjunction with the accompanying drawings embodiment of the present utility model is further specified:
In the accompanying drawing 1,2,3, the 1st, antenna, the 2nd, casing, the 3rd, high voltage porcelain bushing (or steel pipe), the 4th, current transformer, the 5th, wireless signal transceiver, the 6th, electric energy meter, the 7th, anti-theft lock, the 8th, voltage transformer, the 9th, current relay, the 10th, the time relay, the 11st, vacuum contact (opening circuit) device, the 12nd, auxiliary relay, the 13rd, drawer.
As seen from Figure 4, constitute switch (divide-shut brake) loop by the time relay 10 (KT), auxiliary relay 12 (JZ), high pressure vacuum contact (opening circuit) device 11 (GZC) and wireless signal transceiver 5 (RSE).Secondary side by two dry-type current transformers 4 (1LH, 2LH) and two dry-type voltage inductors 8 (1YH, 2YH) connects multifunctional electric energy meter 6 (WH) respectively, constitutes the electric energy metrical loop.Constitute overcurrent and short-circuit protection circuit by dry-type current transformer 4 (1LH, 2LH), dry-type voltage inductor 8 (1YH, 2YH), current relay 9 (JL), the time relay 10 (KT) and auxiliary relay 12 (JZ).Constitute the phase breaking alarm circuit by dry-type voltage inductor 8 (1YH, 2YH) and wireless signal transceiver 5 (RSE).Realize that by dry-type current transformer 4 (1LH, 2LH), dry-type voltage inductor 8 (1YH, 2YH), wireless signal transceiver 5 (RSE), palmtop PC or main frame (draw at the end among the figure) electric current, voltage show.Secondary side by dry-type voltage inductor 1YH, 2YH provides power supply, the closing coil GZC power supply of contacting (opening circuit) device for high pressure vacuum wireless signal transceiver RSE, time relay KT, auxiliary relay JZ.
As seen from Figure 5, wireless signal transceiver RSE is made up of singlechip CPU 1, CPU2, CPU3, A/D converter, modulator-demodulator, data storage, latch, trigger, NAND gate, 485 conversion chips, three transformer B1, B2, B3, two current transformers and three switching tubes etc.With the passage of radio station's (among the figure draw in the end) as signal transmitting and receiving.PTT connects the control button in radio station.Wherein P0.0～the P0.7 of singlechip CPU 1 meets D0～D7, the I/O0～I/O7 of latch, the 1D～8D of data storage of A/D converter respectively.A0～the A7 of latch meets the 1Q～8Q of data storage respectively.Singlechip CPU 1 also is connected with modulator-demodulator, NAND gate, 485 conversion chips and singlechip CPU 2.Singlechip CPU 2 connects external interrupt input INT0, the INT1 pin of single-chip microcomputer CPU1.NAND gate also is connected with singlechip CPU 2, modulator-demodulator TDK, 485 conversion chips, switching tube.Voltage signal Va, Vb, Vc connect A/D converter after transformation, rectification, voltage stabilizing.Current signal Ia, Ic connect A/D converter after current transformer, current/voltage conversion.The power monitoring chip connects the RST pin of CPU1, and the control monolithic connects resetting of CPU1.
By shown in Figure 5, when the radio station of wireless signal transceiver RSE receives the control switch signal, be identified as the identification number or table number of oneself through singlechip CPU 2 after, singlechip CPU 2 is interrupted to singlechip CPU 1 application, CPU1 handles signal.When confirming as combined floodgate, singlechip CPU 1 is sent control command, the conducting of NAND gate control switch pipe, relay J 1 adhesive, the J1 normally opened contact closure among Fig. 4, auxiliary relay JZ coil gets electric adhesive, JZ normally opened contact closure, the GZC coil gets electric, high pressure vacuum contact (opening circuit) device closure; When singlechip CPU 2 is confirmed as disconnected lock signal, the outage of control J1 relay, the coil losing electricity of the auxiliary relay JZ among Fig. 4, the JZ normally opened contact disconnects, the GZC coil losing electricity, high pressure vacuum contact (opening circuit) device disconnects.Thereby realize the purpose of control switch.
By shown in Figure 5, singlechip CPU 1 is read into ammeter data in the data storage by the RS485 conversion chip.When radio station receives when checking meter signal, after modulator-demodulator TDK is demodulated to digital signal, send to singlechip CPU 2.Confirm as the table number or identification number of oneself as CPU2 after, INT0 applies for interrupting the data in the singlechip CPU 1 reading of data memory, control the NAND gate conducting simultaneously, after modulator-demodulator TDK modulation, be transmitted to palmtop PC or PC by radio station, finish and check meter.
By shown in Figure 4, when load current during greater than rated current, the secondary side current of current transformer ILH, 2LH increases, current relay JL action, and the normally opened contact closure, time relay KT coil gets.During time of adjusting greater than time relay KT when the overcurrent time, time relay KT action, the KT normally-closed contact disconnects, auxiliary relay JZ coil losing electricity, the JZ normally opened contact disconnects, and the GZC coil losing electricity disconnects, and realizes overcurrent protection.
By shown in Figure 5, voltage transformer secondary side voltage connects trigger again through transformer B1, B2, B3 transformation after rectification, and trigger meets single-chip microcomputer CPU3, and CPU3 meets CPU2, and CPU2 connects the external interrupt input INT1 pin of single-chip microcomputer CPU1.When a certain circuit generation phase failure, have a phase decompression among transformer B1, B2, the B3 at least, will trigger trigger, discern through singlechip CPU 3, when confirming as phase failure signal, send phase failure signal to CPU3, CPU2 sends control command, and INT0 applies for interrupting, singlechip CPU 1 is sent control command, the NAND gate conducting, together launch this circuit address, phase failure signal in the radio station, realizes phase breaking alarm.Electric capacity during power failure in the wireless signal transceiver RSE is powered to the radio station.The electric current of instrument transformer secondary side, magnitude of voltage realize that by palmtop PC or master station the electric current of circuit, voltage show again by A/D changes, singlechip CPU 1 converts circuit to electric current, voltage signal values.
Claims (6)
1. radio remote control switch; metering and warning device; by Security case body; anti-theft lock; dry-type current transformer; dry-type voltage inductor; high pressure vacuum contact (opening circuit) device; current relay; auxiliary relay; the time relay; multifunctional electric energy meter; wireless signal transceiver; palmtop PC and master station are formed; it is two-layer up and down to it is characterized in that box house is divided into; the bottom of casing is a drawer type; the front end of drawer is established anti-theft lock; two dry-type current transformers are equipped with on the upper strata; two dry-type voltage inductors; high pressure vacuum contact (opening circuit) device; other all is contained in the drawer of lower floor; respectively adorn an anti-theft lock between two ends, the casing left and right sides and the left and right sides wall; high voltage porcelain bushing (or steel pipe) is contained in the both sides, front and back of casing; by control relay; the time relay; auxiliary relay; high pressure vacuum contact (opening circuit) device and wireless signal transceiver constitute switch (divide-shut brake) loop; secondary side by two dry-type current transformers and two dry-type voltage inductors connects multifunctional electric energy meter respectively; constitute the electric energy metrical loop; by dry-type current transformer; dry-type voltage inductor; current relay; the time relay and auxiliary relay constitute overcurrent and short-circuit protection circuit; constitute the phase breaking alarm circuit by dry-type voltage inductor and wireless signal transceiver, by dry-type current transformer; dry-type voltage inductor; wireless signal transceiver; palmtop PC or master station are realized electric current; voltage shows.
2. radio remote control switch according to claim 1, metering and warning device, it is characterized in that wireless signal transceiver is by three single-chip microcomputers, A/D converter, data storage, latch, trigger, modulator-demodulator, NAND gate, 485 conversion chips, three transformers, compositions such as two current transformers and switching tube, with the passage of radio station as signal transmitting and receiving, wherein single-chip microcomputer 1 respectively with A/D converter, latch, data storage, modulator-demodulator, NAND gate, 485 conversion chips and single-chip microcomputer 2 connect, latch is connected with data storage, NAND gate and single-chip microcomputer 2, modulator-demodulator, 485 conversion chips and switching tube connect, voltage signal is through transformation, rectification, connect A/D converter after the voltage stabilizing, current signal is through current transformer, current/voltage conversion back A/D converter.
3. radio remote control switch according to claim 1, metering and warning device, it is characterized in that in switch (divide-shut brake) loop, the normally opened contact of control relay connects the normally-closed contact of the time relay, the normally-closed contact of the time relay connects the coil of auxiliary relay, the auxiliary relay normally opened contact connects the divide-shut brake coil of high pressure vacuum contact (opening circuit) device, and the coil of control relay is subjected to wireless signal transceiver control power on/off.
4. radio remote control switch according to claim 1, metering and warning device; it is characterized in that in overcurrent and the short-circuit protection circuit; the coil of the secondary side joint current relay of dry-type current transformer; the normally opened contact of current relay connects the coil of the time relay, and the normally-closed contact of the time relay connects the coil of auxiliary relay.
5. radio remote control switch according to claim 1, metering and warning device, it is characterized in that the secondary side voltage of dry-type voltage inductor in the warning circuit connects the transformer of wireless signal transceiver, after rectification, connect trigger again, trigger connects single-chip microcomputer 3, connect single-chip microcomputer 2 again, single-chip microcomputer 2 connects the external interrupt input pin of single-chip microcomputer 1 again.
6. radio remote control switch according to claim 1, metering and warning device, it is characterized in that wireless signal transceiver is connected with the signal output part of multifunctional electric energy meter, carry out exchanges data, the master station system is made up of PC, Control Software, MODEM remote data communication plate, radio station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01216757 CN2476894Y (en) | 2001-02-26 | 2001-02-26 | Wireless remote controlled switch, metering and alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01216757 CN2476894Y (en) | 2001-02-26 | 2001-02-26 | Wireless remote controlled switch, metering and alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2476894Y true CN2476894Y (en) | 2002-02-13 |
Family
ID=33635115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01216757 Expired - Fee Related CN2476894Y (en) | 2001-02-26 | 2001-02-26 | Wireless remote controlled switch, metering and alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2476894Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105322538A (en) * | 2015-11-10 | 2016-02-10 | 成都九十度工业产品设计有限公司 | Safe electric power supply system |
-
2001
- 2001-02-26 CN CN 01216757 patent/CN2476894Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105322538A (en) * | 2015-11-10 | 2016-02-10 | 成都九十度工业产品设计有限公司 | Safe electric power supply system |
| CN105322538B (en) * | 2015-11-10 | 2019-04-05 | 江苏小康电力科技有限公司 | A kind of security power power supply system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20020213 |