CN205102929U - Passive wireless temperature transducer of circuit breaker contact - Google Patents
Passive wireless temperature transducer of circuit breaker contact Download PDFInfo
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- CN205102929U CN205102929U CN201520812482.0U CN201520812482U CN205102929U CN 205102929 U CN205102929 U CN 205102929U CN 201520812482 U CN201520812482 U CN 201520812482U CN 205102929 U CN205102929 U CN 205102929U
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Abstract
The utility model relates to a passive wireless temperature transducer of circuit breaker contact. Contain the C shape of locating external week of high voltage live or make plausible annular metallic film, energy collection converting circuit, a temperature -sensing element, a singlechip and a wireless transceiver circuit who carries out the data processing transmission, the energy is collected converting circuit and is used C shape or circle annular metallic film be as an electrode, uses the high voltage live body as another electrode, gains the electric energy from the two poles of the earth to do singlechip and wireless transceiver circuit power supply. The energy is collected converting circuit, singlechip and wireless transceiver circuit and is all set up on one or polylith circuit board, circuit board, C shape or circle annular metallic film all set up in a tubular shell. The utility model discloses an electricity is got to passive high pressure, and it is high to have the temperature measurement frequency, resistant high temperature environment, long -life, little volume, advantages such as simple to operate.
Description
Technical field
The utility model relates to new forms of energy and field of energy-saving technology, is specifically related to a kind of contact of breaker passive and wireless temperature probe.
Background technology
In generating plant, in the power-supply unit that the high-tension switch cabinet of transformer station etc. are important, due to long-term operation, environmental factor changes, interference from human factor causes bus contact joint, high-voltage busbar lap-joint, the positions such as dynamic/static contact contact site cause local pyrexia, overtemperature because aging or contact resistance become large.Especially in big current situation, problem is extremely serious, even may breaking out of fire accident.Therefore by this type of spot temperature of Real-Time Monitoring, can trouble-savingly occur.
In current temp measuring system, there are two kinds of temperature measuring equipments, one is active sensor, and install the work of powered battery road by sensor internal, this technical disadvantages is, flying power is not enough, and within 3 or five years, must change device battery, improvement project is loaded down with trivial details; Another is passive sensor, and the design's high pressure passive techniques is the electric field difference existed based on points different in highfield space under hyperbaric environment, collects electric energy, without the need to powered battery from electric field.
Existing technical disadvantages:
1, battery powered shortcoming: battery has the life-span, non-refractory, there is potential safety hazard.
2, the shortcoming of CT power taking thermometric: weak current power taking difficulty, power taking exist potential safety hazard.
3, the shortcoming of surface acoustic wave thermometric, antenna must and the terminal of point for measuring temperature between accessible, install trouble, work also less stable.
For these shortcomings above, the technical problem to be solved in the present invention: passive high voltage power taking, high-frequency measuring tempeature, withstand high temperatures environment, the long-life, small size, easy for installation, high reliability.
Summary of the invention
The purpose of this utility model is to provide one to achieve passive high voltage power taking, and has high-frequency measuring tempeature, withstand high temperatures environment, the long-life, small size, easy for installation, the contact of breaker passive and wireless temperature probe of high reliability.
For achieving the above object, the technical solution of the utility model is: a kind of contact of breaker passive and wireless temperature probe, comprises the C shape of being located at high-voltage charged body periphery or circular ring metal film, single-chip microcomputer and wireless transceiver circuit that a collection of energy change-over circuit, a temperature-sensing element, carry out data processing transmission; Described collection of energy change-over circuit adopts described C shape or circular ring metal film as an electrode, and adopt high-voltage charged body as another electrode, from these the two poles of the earth, obtain electric energy is that described single-chip microcomputer and wireless transceiver circuit are powered; Described collection of energy change-over circuit, single-chip microcomputer and wireless transceiver circuit are arranged on one or more wiring board, and described wiring board, C shape or circular ring metal film are all arranged in a housing.
In the utility model one embodiment, described housing is tubular shell; Described tubular shell is sheathed and to be fixed on described electrification in high voltage external by some shell fragments; Described C shape or circular ring metal film and wiring board are positioned in described tubular shell.
In the utility model one embodiment, described temperature-sensing element is placed on the inner headed face of described tubular shell, makes it contact with described high-voltage charged body, improves sensitivity of thermometry.
In the utility model one embodiment, by described shell fragment or temperature-sensing element and described high-voltage charged body electrical contact, as an electrode of collection of energy.
In the utility model one embodiment, described collection of energy change-over circuit comprising the rectifier bridge being converted to direct current energy for described C shape metallic film or circular ring metal film being gathered AC energy, rear end, the front end electric capacity storing described rectifier bridge DC power output, maintaining the voltage of rear end, front end electric capacity and the first and second undervoltage lockout circuits of charging and discharging state.
In the utility model one embodiment, electric capacity, temperature-sensing element and wireless chip that described single-chip microcomputer and wireless transceiver circuit comprise single-chip microcomputer and be connected with this single-chip microcomputer, described single-chip microcomputer is connected with described collection of energy change-over circuit by electric capacity, and described wireless chip is also connected to described C shape metallic film or circular ring metal film.
Compared to prior art, the utility model has following beneficial effect:
1, the feature of environmental protection, without the pollution of the environment that battery causes;
2, have the long life, the theoretical life-span reaches more than 20 years;
3, there is hot operation to design reliably, 125 DEG C of stable operations;
4, there is installation convenient, the feature of high electrical safety;
5, temperature-time is upgraded quick;
6, transmitting range is far away.
Accompanying drawing explanation
Fig. 1 is application block diagram of the present utility model.
Fig. 2 is structural representation of the present utility model.
Fig. 3 is collection of energy change-over circuit block diagram of the present utility model.
Fig. 4 is single-chip microcomputer of the present utility model and wireless transceiver circuit block diagram.
In figure: 1-tubular shell, 11-outer tubular envelope, 12-tubular inner casing body, 2-C shape or circular ring metal film, 3-wiring board, 4-shell fragment, 41-first notch, 42-second notch, 43-the 3rd notch, 5-plastics fastener, 6-high-voltage charged body, 7-temperature-sensing element, 8-wire.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is specifically described.
As Figure 1-4, a kind of contact of breaker passive and wireless temperature probe of the present utility model, described sensor collects electric energy for temperature survey and data transmit-receive from ac high-voltage electrified body 6 provides electric energy.Described sensor comprises the C shape of being located at high-voltage charged body 6 periphery or circular ring metal film 2, collection of energy change-over circuit, a temperature-sensing element 7, carries out data processing transmission single-chip microcomputer and wireless transceiver circuit; Described collection of energy change-over circuit adopts described C shape or circular ring metal film 2 as an electrode, and adopt high-voltage charged body 6 as another electrode, from these the two poles of the earth, obtain electric energy is that described single-chip microcomputer and wireless transceiver circuit are powered; Described collection of energy change-over circuit, single-chip microcomputer and wireless transceiver circuit are arranged on one or more wiring board 3, and described wiring board 3, C shape or circular ring metal film 2 are all arranged in a housing (adopting tubular shell 1 in the present embodiment).
As shown in Figure 2, tubular shell 1 comprises outer tubular envelope 11 and is positioned at the tubular inner casing body 12 of this outer tubular envelope 11, described tubular inner casing body 12 is sheathed and be fixed on described high-voltage charged body 6, is provided with described C shape or circular ring metal film 2 and wiring board 3 between described outer tubular envelope 11 and tubular inner casing body 12; Described wiring board 3 is positioned at the opening part of described C shape or circular ring metal film 2, and on wiring board, an electrode of 3 is connected with described C shape or circular ring metal film 2.
Described temperature-sensing element 7 is placed on the inner headed face of described tubular shell 1, makes it contact with described high-voltage charged body 6, improves sensitivity of thermometry.By described shell fragment 4 or temperature-sensing element 7 and described high-voltage charged body electrical contact, shell fragment 4 or temperature-sensing element 7 are connected to another electrode (shell fragment 4 not shown in FIG. is connected to wiring board 3 by wire) on wiring board 3 by wire 8, as an electrode of collection of energy.
Further, as shown in Figure 2, coordinate with tubular shell 1 for the ease of shell fragment 4, sheathed and be fixed on high-voltage charged body 6, described tubular inner casing body 12 is arranged at intervals with the first to the 3rd notch 41-43 on a sidewall of described high-voltage charged body 6, metal steel pipe can be adopted by being arranged at respectively in the temperature-sensing element 7(the present embodiment on the first notch 41, also the mode that metal steel pipe matches with plastics fastener 5 can be adopted) and be arranged at second, 3rd notch 42, two shell fragments 3 on 43 match, make described tubular inner casing body 12 sheathed and be fixed on described high-voltage charged body 6.
Described collection of energy change-over circuit comprising the rectifier bridge being converted to direct current energy for described C shape or circular ring metal film being gathered AC energy, rear end, the front end electric capacity storing described rectifier bridge DC power output, maintaining the voltage of rear end, front end electric capacity and the first and second undervoltage lockout circuits of charging and discharging state.Electric capacity, temperature-sensing element and wireless chip that described single-chip microcomputer and wireless transceiver circuit comprise single-chip microcomputer and be connected with this single-chip microcomputer, described single-chip microcomputer is connected with described collection of energy change-over circuit by electric capacity, described wireless chip is also connected to described C shape or circular ring metal film, using by this C shape or the circular ring metal film transmitting terminal antenna part as single-chip microcomputer and wireless transceiver circuit, thus outwards send data.
Be described in detail below in conjunction with structure and working principle of the present utility model:
1.C shape or circular ring metal film 2, as shown in Figure 2.This C shape or circular ring metal film 2 adopt toroidal inductive collecting energy, are input in collection of energy change-over circuit by the energy collected.Use this circle acquisition mode can collect more energy for back-end circuit.Adopt loop configuration make to install more convenient, by increase or plastics fastener 5 in minimizing figure tri-coordinates shell fragment 4 that sensor can be made to be fixed on the high-voltage charged body 6 of different size again.In addition, this C shape or circular ring metal film 2, also as the antenna part of the transmitting terminal of wireless transceiver circuit, outwards send data.
2. collection of energy change-over circuit, as shown in Figure 3, by a full-wave rectifying circuit, rear end, front end electric capacity, the under-voltage locking unit of two-stage is formed.Wherein full-wave rectifying circuit, play the conversion of alternating current-direct current, the electric capacity of front and back end, the under-voltage locking electric capacity at the storage center of circuit energy, the two poles of the earth, serve the restriction of capacitance voltage threshold values and the clearance that subordinate's circuit is charged, according to self and low-power consumption, maintain the voltage of control capacitance and charging and discharging state.
3. single-chip microcomputer and wireless transceiver circuit, as shown in Figure 4, by this part the use of the Power supply of above-mentioned rear class electric capacity, completes the workflow of single-chip microcomputer, temperature data is sent to space by RF RF-wise.Therefore the circuit of this part is intermittent work.
Be more than preferred embodiment of the present utility model, all changes done according to technical solutions of the utility model, when the function produced does not exceed the scope of technical solutions of the utility model, all belong to protection domain of the present utility model.
Claims (6)
1. a contact of breaker passive and wireless temperature probe, is characterized in that: comprise the C shape of being located at high-voltage charged body periphery or circular ring metal film, single-chip microcomputer and wireless transceiver circuit that a collection of energy change-over circuit, a temperature-sensing element, carry out data processing transmission; Described collection of energy change-over circuit adopts described C shape or circular ring metal film as an electrode, and adopt high-voltage charged body as another electrode, from these the two poles of the earth, obtain electric energy is that described single-chip microcomputer and wireless transceiver circuit are powered; Described collection of energy change-over circuit, single-chip microcomputer and wireless transceiver circuit are arranged on one or more wiring board, and described wiring board, C shape or circular ring metal film are all arranged in a housing.
2. contact of breaker passive and wireless temperature probe according to claim 1, is characterized in that: described housing is tubular shell; Described tubular shell is sheathed and to be fixed on described electrification in high voltage external by some shell fragments; Described C shape or circular ring metal film and wiring board are positioned in described tubular shell.
3. contact of breaker passive and wireless temperature probe according to claim 2, is characterized in that: described temperature-sensing element is placed on the inner headed face of described tubular shell, makes it contact with described high-voltage charged body, improves sensitivity of thermometry.
4. the contact of breaker passive and wireless temperature probe according to Claims 2 or 3 any one, is characterized in that: by described shell fragment or temperature-sensing element and described high-voltage charged body electrical contact, as an electrode of collection of energy.
5. the contact of breaker passive and wireless temperature probe according to claims 1 to 3 any one, is characterized in that: described collection of energy change-over circuit comprising the rectifier bridge being converted to direct current energy for described C shape metallic film or circular ring metal film being gathered AC energy, rear end, the front end electric capacity storing described rectifier bridge DC power output, maintaining the voltage of rear end, front end electric capacity and the first and second undervoltage lockout circuits of charging and discharging state.
6. the contact of breaker passive and wireless temperature probe according to claims 1 to 3 any one, it is characterized in that: electric capacity, temperature-sensing element and wireless chip that described single-chip microcomputer and wireless transceiver circuit comprise single-chip microcomputer and be connected with this single-chip microcomputer, described single-chip microcomputer is connected with described collection of energy change-over circuit by electric capacity, and described wireless chip is also connected to described C shape metallic film or circular ring metal film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520812482.0U CN205102929U (en) | 2015-10-21 | 2015-10-21 | Passive wireless temperature transducer of circuit breaker contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520812482.0U CN205102929U (en) | 2015-10-21 | 2015-10-21 | Passive wireless temperature transducer of circuit breaker contact |
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| CN205102929U true CN205102929U (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520812482.0U Active CN205102929U (en) | 2015-10-21 | 2015-10-21 | Passive wireless temperature transducer of circuit breaker contact |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444652A (en) * | 2018-11-06 | 2019-03-08 | 珠海多监测科技有限公司 | State aware ring for high-tension switch cabinet contact |
| CN109444653A (en) * | 2018-11-06 | 2019-03-08 | 珠海多监测科技有限公司 | Passive compound sensor |
-
2015
- 2015-10-21 CN CN201520812482.0U patent/CN205102929U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444652A (en) * | 2018-11-06 | 2019-03-08 | 珠海多监测科技有限公司 | State aware ring for high-tension switch cabinet contact |
| CN109444653A (en) * | 2018-11-06 | 2019-03-08 | 珠海多监测科技有限公司 | Passive compound sensor |
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