CN201345314Y - Wireless remote controller of 24kV high-voltage vacuum circuit breaker - Google Patents
Wireless remote controller of 24kV high-voltage vacuum circuit breaker Download PDFInfo
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- CN201345314Y CN201345314Y CNU2008202145109U CN200820214510U CN201345314Y CN 201345314 Y CN201345314 Y CN 201345314Y CN U2008202145109 U CNU2008202145109 U CN U2008202145109U CN 200820214510 U CN200820214510 U CN 200820214510U CN 201345314 Y CN201345314 Y CN 201345314Y
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- remote controller
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Abstract
The utility model relates to a wireless remote controller of a 24kV high-voltage vacuum circuit breaker, consisting of a power supply unit, a wireless transmitting unit, a wireless receiving unit and an execution unit. The wireless transmitting unit corresponds to the wireless receiving unit and is in wireless communication connection with the wireless receiving unit; the wireless receiving unit is connected with the execution unit; the power supply unit outputs power to the wireless receiving unit and the execution unit; and the power supply unit comprises a rectification circuit and a pulse-width modulation circuit. Aiming at the problem of the prior wireless remote control, the utility model provides the remote controller which has strong capacity of resisting disturbance, is reliable in wireless receiving, and can realize that one remote controller performs brake separating and closing operation for a plurality of 24kV circuit breakers separately, thereby greatly improving the safe, convenient and reliable operation of an operator for the circuit breakers. The remote controller has compact structure, easy operation, high security and high reliability, and can perform remote wireless brake separating and closing operation for the 24kV high-voltage vacuum circuit breaker.
Description
Technical field
The utility model relates to the Digiplex technology, is specially a kind of wireless remote controller of 24kV high-pressure vacuum breaker.
Background technology
Along with the power load of China big and medium-sized cities sharply increases, and the problem that the rural power grids circuit is long, equipment is old, line loss is high becomes increasingly conspicuous, original 10kV power supply has been difficult to satisfy power reguirements, expose weakness such as its power supply distance is excessive, line loss rate is high, quality of voltage is difficult to meet the requirements gradually, and the power supply of employing 20kV electric pressure have a series of advantages such as the power supply capacity of increasing, assurance quality of voltage, the electric energy loss of reduction electrical network, saving power grid construction expense.China is just throwing huge fund at present the 20kV electrical network is being built, and the 24kV vacuum circuit-breaker is one of visual plant of building by the 20kV power distribution network.24kV vacuum circuit-breaker great majority use out of doors, are installed on the shaft tower of 20kV power distribution network, and usage quantity is big, the installation site height, when needing personnel it is operated, need carry out divide-shut brake to outdoor pole vacuum circuit breaker by insulated tension pole, this operation both inconvenience is also dangerous.Therefore, urgent need has the 24kV circuit breaker of packet radio remote control function, but what present wireless switching power supply used is transformer frequency response, after circuit parameter is determined, output voltage is constant, but output current changes with load increase and decrease, and the reliability of wireless switching work is influenced and every circuit breaker need use corresponding with it Digiplex to some extent, need be with a plurality of remote controllers when inspection operation, correspondence is more loaded down with trivial details one by one for need during use.The high voltage heavy current of 20kV transmission line also proposes harsh requirement to wireless switchgear simultaneously, and it is stricter that EMC electromagnetic compatibility degree is required, and wireless switching in the past can not be competent at the high pressure field, and misoperation takes place easily, brings challenges to reliability.
Therefore, need a kind of anti-electromagnetic interference capability of research and development strong, under the situation of operational environment and harshness thereof, can realize the controller of remote packet controlled in wireless 24kV circuit breaker action message.
Summary of the invention
Problem to be solved in the utility model is: 24kV vacuum circuit-breaker breaking-closing operating inconvenience, the use of existing wireless switching is loaded down with trivial details, can not be applicable to the high pressure field, need a kind of anti-electromagnetic interference capability strong, working stability, be suitable for the vacuum circuit-breaker wireless remote controller of hyperbaric environment.
The technical solution of the utility model is: the wireless remote controller of 24kV high-pressure vacuum breaker, form by power subsystem, wireless transmitting unit, radio receiving unit, performance element, wireless transmitting unit is corresponding with radio receiving unit, for wireless telecommunications connect, radio receiving unit connects performance element, the power subsystem out-put supply is to radio receiving unit and performance element, wherein power subsystem comprises rectification circuit and pulse-width modulation circuit, described rectification circuit is the 220V direct current with the 220V AC rectification, and pulse-width modulation circuit is transformed to 12V with the 220V direct current.
The utility model wireless transmitting unit comprises PT2262 chip, 38KHZ crystal oscillator and peripheral circuit, and a 38KHZ crystal oscillator 1.2M Ω adjustable resistance in parallel is connected with the PT2262 chip again; Radio receiving unit comprises PT2272 chip, 76KHZ crystal oscillator and peripheral circuit, and a 76KHZ crystal oscillator 200K Ω adjustable resistance in parallel is connected with the PT2272 chip again.Performance element comprises high-speed isolated optocoupler, direct current 12V relay and divide-shut brake electric capacity, direct current 12V relay normally open, and radio receiving unit connects divide-shut brake electric capacity, relay coil two ends parallel diode through high-speed isolated optocoupler, direct current 12V relay.
The utility model power subsystem adopts the closed module power supply, is the 220V direct current by the alternating current 220V rectification, and is transformed to direct current 12V through the pulsewidth modulation (PWM), output current is constant, saves the power circuit of wireless receiver in the past, has reduced the volume of remote control, and the saving cost, improved unit efficiency.Power module direct current 12V gives the relay power supply of performance element, and also as giving the PT2272 chip power, the 220V direct current is given the divide-shut brake electric capacity charging of performance element.Owing to be, but not direct use transformer frequency response in the past, guaranteed the stability of power supply by modular power source power supply.
The PT2262 chip of wireless transmitting unit is a kind of Long-distance Control encoder, carries out supportingly with the PT2272 chip, adopts the CMOS technology.It becomes data the waveform of a series of suitable radio frequencies and infrared mode with geocoding.The PT2262 chip has 12 triple gate address pins at most, and 531441 kinds of code address can be provided; Therefore, reduced the code conflict up hill and dale and scanned the possibility of code without permission, solved problem by the only corresponding wireless switching of a Digiplex.Wireless transmitting unit requires the concussion frequency of a precision, therefore with crystal oscillator adjustable resistance in parallel, the PT2272 chip crystal oscillator frequency of radio receiving unit must be 2.5～8 times of PT2262, just can guarantee correctly to receive the data of wireless transmitting unit emission, therefore, correctly receive in order to ensure wireless encoding, wireless transmitting unit select 1.2M Ω resistance for use, radio receiving unit is selected 200K Ω resistance for use.
Radio receiving unit is made up of 76KHZ crystal oscillator, the toggle switch that geocoding is set, LED lamp, PT2272 chip.The PT2272 chip is confirmed the wireless encoding signal that receives, differentiation is to store behind the useful wireless encoding signal, and compare with the wireless encoding of last stored, then receive next group wireless encoding signal as unanimity, and whether affirmation is consistent with set coded address, then data port D0 or D1 put high potential as unanimity; Continue to receive wireless encoding and whether consistently differentiate, then keep the state of dateout mouth,, then discharge memory encoding data and data port D0 and D1 as inconsistent as unanimity with default coded address.
Performance element is made up of high-speed isolated optocoupler, 12V power supply, direct current 12V relay, divide-shut brake electric capacity.When radio receiving unit confirms that the wireless encoding that receives is correct, drive the high speed photo coupling conducting at data port output high potential, it is electric that direct current 12V relay coil is got, the adhesive of direct current 12V relay normally open contact, make divide-shut brake electric capacity separating brake or the conducting of combined floodgate control loop, realize breaking-closing operating.The use of high-speed isolated optocoupler guarantees that relay avoids interference maloperation and do, and realizes anti-electromagnetic interference.
Problem at existing wireless remote control existence, the utility model provides that antijamming capability is strong, the reliable remote control of wireless receiving, can realize that a remote controller to a plurality of 24kV circuit breaker independence breaking-closing operatings, has improved the safe and convenient reliable operation of operating personnel to circuit breaker greatly.The utility model remote control compact conformation, easily operation, safe, reliability is high, can carry out the long distance wireless breaking-closing operating to the 24kV high-pressure vacuum breaker.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model wireless transmitting unit circuit diagram.
Fig. 3 is the utility model radio receiving unit circuit diagram.
Fig. 4 is the utility model wireless transmitting unit flow chart.
Fig. 5 is the utility model radio receiving unit flow chart.
Fig. 6 is coding crystal oscillator frequency figure of the present utility model.
Fig. 7 is decoding crystal oscillator frequency figure of the present utility model.
Embodiment
As Fig. 1, the utility model is made up of power subsystem, wireless transmitting unit, radio receiving unit, performance element, wireless transmitting unit is corresponding with radio receiving unit, for wireless telecommunications connect, radio receiving unit connects performance element, and the power subsystem out-put supply is to radio receiving unit and performance element, and wherein power subsystem comprises rectification circuit and pulse-width modulation circuit, described rectification circuit is the 220V direct current with the 220V AC rectification, and pulse-width modulation circuit is transformed to 12V with the 220V direct current.
The utility model wireless transmitting unit comprises PT2262 chip, 38KHZ crystal oscillator and peripheral circuit, and a 38KHZ crystal oscillator 1.2M Ω adjustable resistance in parallel is connected with the PT2262 chip again; Radio receiving unit comprises PT2272 chip, 76KHZ crystal oscillator and peripheral circuit, and a 76KHZ crystal oscillator 200K Ω adjustable resistance in parallel is connected with the PT2272 chip again.Performance element comprises high-speed isolated optocoupler, direct current 12V relay and divide-shut brake electric capacity, direct current 12V relay normally open, and radio receiving unit connects divide-shut brake electric capacity, relay coil two ends parallel diode through high-speed isolated optocoupler, direct current 12V relay.
The alternating current 220V that power subsystem provides transformer, rectification are direct current 220V, and are transformed to direct current 12V through the pulsewidth modulation (PWM).Direct current 220V is to the charging of 20000uF electric capacity, and described 20000uF electric capacity is divide-shut brake electric capacity, offers the circuit-breaker switching on-off electric current by divide-shut brake electric capacity.The power subsystem output current is constant, adjusts voltage without transformer, has reduced the volume of receiver, and saves cost, has improved unit efficiency.The direct current 12V of power subsystem gives the direct current 12V relay power supply of performance element, also as the radio receiving unit power supply.
Wireless transmitting unit by the 4.5V battery to the PT2262 chip power supply, circuit diagram such as Fig. 2 use setting for the first time to geocoding, but set-up mode reaches 531441 kinds, can prevent effectively that wireless encoding from clashing the generation of incident, guarantee the reliability of receiver module execution action.Idiographic flow as shown in Figure 4, after the energising, the PT2262 chip enters ready mode, button triggers emission and enables pin, if the transmit pin level is high, then carry out the transmission of wireless data and geocoding, data after encoded are outwards taken place by the transmitting antenna that emission pin DOUT is connected with the address, whether detecting emission after the emission once more, to enable pin be high level, as be high level, then continues to launch wireless encoding, as be low level, then discharge and send out the memory block coded data, return ready mode, wait for emission next time.
Radio receiving unit is formed circuit diagram such as Fig. 3 by 76KHZ crystal oscillator, the toggle switch that geocoding is set, LED lamp, PT2272 chip etc.Its workflow is carried out initialization to the coded address as shown in Figure 5, by toggle switch the A0～A9 pin of PT2272 chip is carried out the initialization setting.After the energising, the PT2272 chip enters ready mode, wait for wireless transmitting unit emission wireless encoding, wireless encoding is arranged in range of receiving, and then the PT2272 chip is confirmed the wireless encoding signal that receives, and differentiation is to store behind the useful wireless encoding signal, and compare with the wireless encoding of last stored, then receive next group wireless encoding signal as unanimity, and whether affirmation is consistent with set coded address, then data port D0 or D1 put high potential as unanimity; Continue to receive wireless encoding, and whether differentiation is consistent with set coded address, then keeps dateout mouth state as unanimity, as inconsistent, then discharges memory encoding data and data port D0 and D1.
The crystal oscillator frequency of radio receiving unit requires very strict, need be more than 2 times of wireless transmitting unit crystal oscillator frequency.Adjustable resistance by crystal oscillator pin two ends carries out the frequency adjustment, and the coding crystal oscillator frequency of wireless transmitting unit and adjustable resistance relation are seen Fig. 6, and the decoding crystal oscillator frequency of radio receiving unit and adjustable resistance relation are seen Fig. 7.
The utility model performance element is made up of high-speed isolated optocoupler, 12V power supply, direct current 12V relay, diode, divide-shut brake electric capacity.When the PT2272 chip confirmed that the wireless encoding that receives is correct, in the data port output high potential driving high-speed isolated optocoupler conducting of PT2272 chip, the high-speed isolated optocoupler other end connected direct current 12V power supply.It is electric that the conducting of high-speed isolated optocoupler gets direct current 12V relay coil, and the adhesive of direct current 12V relay normally open contact makes divide-shut brake electric capacity separating brake or the conducting of combined floodgate control loop, thereby realize breaking-closing operating.Direct current 12V relay coil two ends parallel diode prevents that reverse current from damaging relay coil; The use of high-speed isolated optocoupler guarantees that relay avoids interference maloperation and do.
Operating procedure of the present utility model is:
1. power turn-on;
2. wireless receiving module coded address and wireless transmitter module address are set, and optional majority reaches 531441 kinds of combinations;
3. it is remote-controlled function that the 24kV vacuum circuit-breaker is set;
4. send the divide-shut brake order of wireless encoding formula by wireless launcher;
5. be installed in radio receiving unit on the 24kV circuit breaker casing and receive wireless encoding behind modulate circuit, and store;
6. radio receiving unit is decoded to the wireless encoding that receives, when receiving two group codings continuously when consistent with set coded address, with data port D0 or D1 output high level, make the conducting of high-speed isolated optocoupler, the adhesive of direct current 12V relay contact, breaker closing or the conducting of separating brake control loop realize breaker closing or separating brake;
7. continue to receive wireless encoding and judge whether consistently with set coding, unanimity then keeps the data port output state, the inconsistent memory cell coded data that then discharges, and with data port D0 and the removing of D1 state;
8. turn back to the pattern of preparing to receive wireless encoding.
Claims (3)
1, the wireless remote controller of 24kV high-pressure vacuum breaker, it is characterized in that forming by power subsystem, wireless transmitting unit, radio receiving unit, performance element, wireless transmitting unit is corresponding with radio receiving unit, for wireless telecommunications connect, radio receiving unit connects performance element, the power subsystem out-put supply is to radio receiving unit and performance element, wherein power subsystem comprises rectification circuit and pulse-width modulation circuit, described rectification circuit is the 220V direct current with the 220V AC rectification, and pulse-width modulation circuit is transformed to the 12V direct current with the 220V direct current.
2, the wireless remote controller of 24kV high-pressure vacuum breaker according to claim 1, it is characterized in that wireless transmitting unit comprises PT2262 chip, 38KHZ crystal oscillator and peripheral circuit, a 38KHZ crystal oscillator 1.2M Ω adjustable resistance in parallel is connected with the PT2262 chip again; Radio receiving unit comprises PT2272 chip, 76KHZ crystal oscillator and peripheral circuit, and a 76KHZ crystal oscillator 200K Ω adjustable resistance in parallel is connected with the PT2272 chip again.
3, the wireless remote controller of 24kV high-pressure vacuum breaker according to claim 1 and 2, it is characterized in that performance element comprises high-speed isolated optocoupler, direct current 12V relay and divide-shut brake electric capacity, direct current 12V relay normally open, radio receiving unit connects divide-shut brake electric capacity, relay coil two ends parallel diode through high-speed isolated optocoupler, direct current 12V relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202145109U CN201345314Y (en) | 2008-12-19 | 2008-12-19 | Wireless remote controller of 24kV high-voltage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202145109U CN201345314Y (en) | 2008-12-19 | 2008-12-19 | Wireless remote controller of 24kV high-voltage vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201345314Y true CN201345314Y (en) | 2009-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202145109U Expired - Fee Related CN201345314Y (en) | 2008-12-19 | 2008-12-19 | Wireless remote controller of 24kV high-voltage vacuum circuit breaker |
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| CN (1) | CN201345314Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102237715A (en) * | 2010-05-06 | 2011-11-09 | 上海贝红通信电器国际有限公司 | Circuit breaker remotely controlled by wireless signals and method for remotely controlling circuit breaker |
| CN102300378A (en) * | 2010-06-22 | 2011-12-28 | 弘进电子股份有限公司 | Wireless remote controller and remotely-controlled dimming power-saving bulb device with signal responding and forwarding functions |
| CN112600302A (en) * | 2020-11-30 | 2021-04-02 | 西安西拓电气股份有限公司 | Switching-on and switching-off operation device and method |
-
2008
- 2008-12-19 CN CNU2008202145109U patent/CN201345314Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102237715A (en) * | 2010-05-06 | 2011-11-09 | 上海贝红通信电器国际有限公司 | Circuit breaker remotely controlled by wireless signals and method for remotely controlling circuit breaker |
| CN102300378A (en) * | 2010-06-22 | 2011-12-28 | 弘进电子股份有限公司 | Wireless remote controller and remotely-controlled dimming power-saving bulb device with signal responding and forwarding functions |
| CN112600302A (en) * | 2020-11-30 | 2021-04-02 | 西安西拓电气股份有限公司 | Switching-on and switching-off operation device and method |
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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: 20091111 Termination date: 20111219 |