CN205301430U - Nuclear phase device that cable run is wireless - Google Patents
Nuclear phase device that cable run is wireless Download PDFInfo
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- CN205301430U CN205301430U CN201521096887.5U CN201521096887U CN205301430U CN 205301430 U CN205301430 U CN 205301430U CN 201521096887 U CN201521096887 U CN 201521096887U CN 205301430 U CN205301430 U CN 205301430U
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- cable run
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Abstract
The utility model relates to a nuclear phase device that cable run is wireless, in particular to power line, substation equipment's the phase place and the device of phase sequence check -up belong to electric detection device field. This nuclear phase device that cable run is wireless, the X emitter and the Y emitter of producing signals including being used for the electrified body of contact to and be used for receiving the receiving arrangement of above -mentioned signal. The adoption low -power consumption design of this product, the cost is reduced, it is simultaneously still small.
Description
Technical field
This utility model relates to a kind of wireless phase checking device of cable run, particularly to the device of a kind of power circuit, the phase place of converting equipment and phase sequence checking, belongs to electric detecting device field.
Background technology
At home and abroad, the transmission of high-tension electricity and transformation nearly all adopt three-phase alternating current system. Electrical network close a floodgate grid-connected, electric station is grid-connected, in newly-built, the reconstruction of electric substation and transmission line of electricity or enlarging, nuclear phase test have to be done, check biphase in two electrical networks between phase contrast, guarantee that the phase sequence of transmission line of electricity is consistent with the phase sequence of user side, prevent the load caused because of mistake nuclear phase from burning, even cause the large-area power-cuts of transmission line of electricity. Therefore, becoming increasingly complex in power system, when transmission voltage is increasingly higher, volume is little, easy to operate, the phase checking device of reliable operation is more and more important.
The X/Y wireless transmitting unit that Chinese patent discloses in the transmitting terminal of " a kind of remote phase place real-time detection apparatus " application number 201420660882.X adopts SI4432 wireless module, this module dissipation is bigger, for lengthening working hours, battery capacity certainly will be increased, cause that volume increases, and adopt wireless module to add cost to a certain extent; Integrated charge element circuit in transmitting terminal, increases volume and cost further, because nuclear phase operation belongs to outwork, in case of emergency situation, transmitting terminal is likely to because charging, and causing cannot nuclear phase, even under rechargeable battery damaged condition, phase checking device just cannot work; Transmitting terminal embedded in MCU controller, increase power consumption and cost further.
Chinese patent discloses in the main frame of " a kind of wireless high-voltage digital phase-checking instrument " patent No. 200920040978.5 and adopts multiplier to process the first shaping circuit and the signal of the second shaping circuit input, then input microprocessor processes; The design adopting multiplier not only increases cost, complicated circuit design, and makes host power consumption increase, but the not too many raising of certainty of measurement to phase contrast.
Utility model content
This utility model purpose is in that to provide one to can solve the problem that the above-mentioned problems in the prior art, it is proposed that phase place that a kind of low-power consumption volume is little and the wireless phase checking device of cable run of phase sequence checking.
This utility model purpose is achieved through the following technical solutions:
A kind of wireless phase checking device of cable run, including the X discharger and the Y discharger that produce signal for contacting electrical body, and for receiving the reception device of above-mentioned signal, it is characterized in that, described X discharger by contacting electrode, halfwave rectifier and amplitude limiter circuit, transmitting filter circuit, burst pulse shaping circuit, signal transmission circuit, transmitting antenna are sequentially connected electrically, and are powered by battery voltage detection circuit and battery;The circuit composition of described Y discharger is identical with X discharger;
Described reception device includes reception antenna, X wireless signal receiving circuit, Y wireless signal receiving circuit, wave reception filtering circuit, mu balanced circuit, microprocessor, key circuit, display controller and display respectively, X wireless signal receiving circuit and Y wireless signal receiving circuit are electrically connected reception antenna and wave reception filtering circuit, wave reception filtering circuit all electrically connects microprocessor, described mu balanced circuit, operation key circuit and display controller are connected with microprocessor respectively, and display connects display controller.
As preferably, the tranmitting frequency of described X discharger is 433MHz; The tranmitting frequency of Y discharger is 315MHz.
As preferably, described battery is the alkaline dry battery of 12V.
As preferably, described halfwave rectifier and amplitude limiter circuit include a Zener diode.
As preferably, described transmitting filter circuit adopts passive RC low-pass filter circuit.
As preferably, described burst pulse shaping circuit includes squaring circuit, integrating circuit, peaker.
As preferably, described contact electrode divides straight hook or crotch.
As preferably, described X discharger and Y discharger connect telescopic insulating bar respectively.
As preferably, the input of described mu balanced circuit is battery, and output voltage is 3.3V, powers for microprocessor, X wireless signal receiving circuit and Y wireless signal receiving circuit.
As preferably, the input of described mu balanced circuit is 4 joint 1.5V aneroid battery.
Compared with prior art, this product has the advantage that
(1) X and Y discharger main power consumption is in that signal transmission circuit, and the signal transmission circuit of this product is based on SAW resonator design, and power consumption is very low; Discharger internal processing circuitry adopts burst pulse shaping circuit, phase information and battery level information are sent with the form of burst pulse, reduce the working time of signal transmission circuit, and then reduce the power consumption of discharger, and discharger does not embed microprocessor, reduce further power consumption.
(2) discharger adopt 12V dry cell power supply, cast out charging circuit, adopt low power dissipation design, without microprocessor, battery capacity is without very big, and battery can be changed in time, not by environmental limitation, therefore discharger volume can be made very small, and cost reduces a lot.
(3) in X and Y discharger, signal transmission circuit is based on SAW resonator design, does not adopt integrated chip, reduces cost; Receive installation optimization circuit design, the X received by wireless signal receiving circuit and Y-signal, directly input microprocessor processes, namely reduce cost, reduce again power consumption.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present embodiment.
Fig. 2 is the circuit theory diagrams of discharger in Fig. 1.
Fig. 3 is the circuit theory diagrams receiving device in Fig. 1.
Label declaration: X discharger 1a, Y discharger 1b, contact electrode 11, halfwave rectifier and amplitude limiter circuit 12, launch filter circuit 13, burst pulse shaping circuit 14, signal transmission circuit 15, transmitting antenna 16, battery voltage detection circuit 17, battery 18, receive device 2, reception antenna 21, X wireless signal receiving circuit 22, Y wireless signal receiving circuit 23, wave reception filtering circuit 24, mu balanced circuit 25, microprocessor 26, key circuit 27, display controller 28, display 29, crotch 3, telescopic insulating bar 4.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model being described, the following example is merely to illustrate the technical solution of the utility model, does not limit protection domain of the present utility model.
Embodiment:
As Figure 1-3, the product of the present embodiment includes the X discharger 1a and the Y discharger 1b that produce signal for contacting electrical body, and for receiving the reception device 2 of above-mentioned signal, X discharger 1a by contacting electrode 11, halfwave rectifier and amplitude limiter circuit 12, launch filter circuit 13, burst pulse shaping circuit 14, signal transmission circuit 15, transmitting antenna 16 are sequentially connected electrically, and powered by battery voltage detection circuit 17 and battery 18, battery 18 is the alkaline dry battery 18 of 12V; The circuit composition of Y discharger 1b is identical with X discharger 1a, and wherein the tranmitting frequency of X discharger 1a is 433MHz; The tranmitting frequency of Y discharger 1b is 315MHz.
Halfwave rectifier and the amplitude limiter circuit 12 of the present embodiment X discharger 1a or Y discharger 1b include a Zener diode, launching filter circuit 13 and adopt passive RC low-pass filter circuit, burst pulse shaping circuit 14 includes squaring circuit, integrating circuit, peaker.
In order to easy to operate, 11 points of straight hooks of the contact electrode of the present embodiment or crotch 3, and X discharger 1a and Y discharger 1b connects telescopic insulating bar 4 respectively.
The reception device 2 of the present embodiment includes reception antenna 21 respectively, X wireless signal receiving circuit 22, Y wireless signal receiving circuit 23, wave reception filtering circuit 24, mu balanced circuit 25, microprocessor 26, key circuit 27, display controller 28 and display 29, X wireless signal receiving circuit 22 and Y wireless signal receiving circuit 23 are electrically connected reception antenna 21 and wave reception filtering circuit 24, wave reception filtering circuit 24 all electrically connects microprocessor 26, wherein mu balanced circuit 25, operation key circuit 27 and display controller 28 are connected with microprocessor 26 respectively, display 29 connects display controller 28.
The input of the mu balanced circuit 25 of the present embodiment is 4 joint 1.5V aneroid battery 18, and output voltage is 3.3V, powers for microprocessor 26, X wireless signal receiving circuit 22 and Y wireless signal receiving circuit 23.
Operation principle:
As shown in Figure 1, ABC and A ' B ' C ' is different circuit, X discharger 1a and be all connected with telescopic insulating bar 4 on Y discharger 1b, is hung on by X and Y discharger in the phase line of different circuit, receive device 2 and receive the signal of X and Y discharger simultaneously, and calculate display phase contrast.
As shown in Figure 2, contact electrode 11 near or the electrical network of contact 220V-220kV or converting equipment, contact electrode 11 just induces a synchronous sine voltage signal of same frequency, through halfwave rectifier/amplitude limiter circuit, induced signal is shaped to approximate square waves signal, high-frequency signal is filtered then through low-pass filter circuit, this approximate square waves signal and battery 18 voltage signal are simultaneously entered burst pulse shaping circuit 14, obtain a burst pulse comprising phase place and battery 18 voltage signal, wherein rising edge of a pulse represents phase information, pulsewidths representative battery 18 information of voltage, narrow pulse signal finally inputs signal transmission circuit 15, and during rising edge of a pulse, signal transmission circuit 15 works, and during pulse falling edge, signal transmission circuit 15 quits work.
Signal transmission circuit 15 in discharger is based on SAW resonator design, and the tranmitting frequency of X discharger 1a is 433MHz;The tranmitting frequency of Y discharger 1b is 315MHz.
As shown in Figure 3, the signal of X and Y discharger is received by antenna, mediation shaping is solved through X and Y wireless signal receiving circuit 23, high frequency spurs is filtered then through passive low-pass filter circuit, by two signal input microprocessors 26, microprocessor 26 is through comparing the time difference of X, Y-signal rising edge, according to formula, whereinFor the time difference of X, Y-signal rising edge, f is the frequency of signal.
The input receiving the mu balanced circuit 25 in device 2 is 4 joint 1.5V aneroid battery 18, and output voltage is 3.3V, powers for microprocessor 26 and two signal receiving circuits.
Receiving in device 2, microprocessor 26 controls display 29 by display controller 28; Key circuit 27 is for controlling to receive the switch of device 2, the backlight switch of display 29 and display model selection.
Above content described in this specification is only to this utility model structure example explanation. Described instantiation can be done various amendment or supplements or adopt similar mode to replace by the novel described those skilled in the art of this use; without departing from structure of the present utility model or surmount the scope that present claims book is defined, the protection domain that this use is novel all should be belonged to.
Claims (10)
1. the wireless phase checking device of cable run, including the X discharger and the Y discharger that produce signal for contacting electrical body, and for receiving the reception device of above-mentioned signal, it is characterized in that, described X discharger by contacting electrode, halfwave rectifier and amplitude limiter circuit, transmitting filter circuit, burst pulse shaping circuit, signal transmission circuit, transmitting antenna are sequentially connected electrically, and are powered by battery voltage detection circuit and battery; The circuit composition of described Y discharger is identical with X discharger;
Described reception device includes reception antenna, X wireless signal receiving circuit, Y wireless signal receiving circuit, wave reception filtering circuit, mu balanced circuit, microprocessor, key circuit, display controller and display respectively, X wireless signal receiving circuit and Y wireless signal receiving circuit are electrically connected reception antenna and wave reception filtering circuit, wave reception filtering circuit all electrically connects microprocessor, described mu balanced circuit, operation key circuit and display controller are connected with microprocessor respectively, and display connects display controller.
2. the wireless phase checking device of cable run according to claim 1, it is characterised in that: the tranmitting frequency of described X discharger is 433MHz; The tranmitting frequency of Y discharger is 315MHz.
3. the wireless phase checking device of cable run according to claim 1 and 2, it is characterised in that: described battery is the alkaline dry battery of 12V.
4. the wireless phase checking device of cable run according to claim 1 and 2, it is characterised in that: described halfwave rectifier and amplitude limiter circuit include a Zener diode.
5. the wireless phase checking device of cable run according to claim 1 and 2, it is characterised in that: described transmitting filter circuit adopts passive RC low-pass filter circuit.
6. the wireless phase checking device of cable run according to claim 1 and 2, it is characterised in that: described burst pulse shaping circuit includes squaring circuit, integrating circuit, peaker.
7. the wireless phase checking device of cable run according to claim 1 and 2, it is characterised in that: described contact electrode divides straight hook or crotch.
8. the wireless phase checking device of cable run according to claim 1 and 2, it is characterised in that: described X discharger and Y discharger connect telescopic insulating bar respectively.
9. the wireless phase checking device of cable run according to claim 1 and 2, it is characterised in that: the input of described mu balanced circuit is battery, and output voltage is 3.3V, powers for microprocessor, X wireless signal receiving circuit and Y wireless signal receiving circuit.
10. the wireless phase checking device of cable run according to claim 9, it is characterised in that: the input of described mu balanced circuit is 4 joint 1.5V aneroid battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521096887.5U CN205301430U (en) | 2015-12-28 | 2015-12-28 | Nuclear phase device that cable run is wireless |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521096887.5U CN205301430U (en) | 2015-12-28 | 2015-12-28 | Nuclear phase device that cable run is wireless |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205301430U true CN205301430U (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521096887.5U Active CN205301430U (en) | 2015-12-28 | 2015-12-28 | Nuclear phase device that cable run is wireless |
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| Country | Link |
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| CN (1) | CN205301430U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106324371A (en) * | 2016-08-19 | 2017-01-11 | 河海大学常州校区 | Phase difference type high-tension switchgear phase tester system |
| CN107796987A (en) * | 2017-08-31 | 2018-03-13 | 合保电气（芜湖）有限公司 | Electric wire phase test instrument |
-
2015
- 2015-12-28 CN CN201521096887.5U patent/CN205301430U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106324371A (en) * | 2016-08-19 | 2017-01-11 | 河海大学常州校区 | Phase difference type high-tension switchgear phase tester system |
| CN107796987A (en) * | 2017-08-31 | 2018-03-13 | 合保电气（芜湖）有限公司 | Electric wire phase test instrument |
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