CN204903038U - Passive wireless temperature transducer - Google Patents
Passive wireless temperature transducer Download PDFInfo
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- CN204903038U CN204903038U CN201520541030.3U CN201520541030U CN204903038U CN 204903038 U CN204903038 U CN 204903038U CN 201520541030 U CN201520541030 U CN 201520541030U CN 204903038 U CN204903038 U CN 204903038U
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- wireless temperature
- control panel
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- coil
- module
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Abstract
The utility model relates to a temperature measuring device of high -tension transmission system, concretely relates to passive wireless temperature transducer. A passive wireless temperature transducer, includes casing, wireless temperature measure module, coil, the casing includes casing and lower casing, wireless temperature measure module is connected with the control panel, is provided with signal acquisition module and wireless transmitting module on the control panel, it is internal that the inferior valve is located to control panel and coil, and wireless temperature measure module stretches out outside the casing. Prior art compares, the utility model discloses has the superstrong electrical property of getting, no work blind spot, adopt two ribbon formula structures, it is more convenient to install, the response energy is little, and stability is high, the shielding structure design, interference immunity is good, the interference that the reply crowd pulse that can relax and surge brought, new alloy material uses, and is little from the heat production.
Description
Technical field
The utility model relates to the temperature measuring equipment of high voltage power transmisson system, is specifically related to a kind of passive and wireless temperature probe.
Background technology
Thermometric mode is in the market divided into following five kinds of thermometric modes, and these five kinds of thermometric modes respectively have quality, see the following form:
Wireless temperature measurement system can carry out Real-Time Monitoring to the joint of the high pressure high-current equipments such as bus bar, disconnector, switch cubicle, ring main unit, isolating switch, contact, the tactile spot temperature such as wall, line.Operation maintenance personnel scene and remote monitoring center is facilitated to grasp field apparatus ruuning situation.
Traditional thermometric mode, as band wire can not meet enclosed environment and high-voltage large current occasion, it is large to there is deviation in infrared measurement of temperature, the problems such as efficiency is low.Operating electrical equipment is usually operated at high voltage and current state, and some defect existed in equipment can cause the abnormal temperature of part of appliance to raise.Cause the vicious cycle of temperature and contact resistance value, finally may cause the security incidents such as equipment burning, blast.It is a vicious cycle that contact temperature raises; High-tension switch cabinet is wanted to bear the working current being up to 5000A usually; Equipment is in During Process of Long-term Operation, and the tie points such as the contact of switch and bus connection are because of aging or contact resistance is excessive and generate heat and form vicious cycle; Have exposed high pressure in switch cubicle, space-closed is narrow and small, thermometric of cannot manually patrolling.
For a long time, high-tension apparatus joint area running temperature is difficult to monitoring, this is because these positions all have exposed high pressure, common thermometry can not use because solving High-Voltage Insulation problem.
Utility model content
For above-mentioned prior art Problems existing, the purpose of this utility model be to provide a kind of easy for installation, get good electrical property, the passive and wireless temperature probe that induced power own is little, anti-interference is good.For realizing this object, the utility model adopts following technical scheme:
A kind of passive and wireless temperature probe, comprises housing, wireless temperature measure module, coil; Described housing comprises upper shell and lower house; Described wireless temperature measure module is connected with control panel, described control panel is provided with signal acquisition module and wireless transmitter module; Described control panel and coil are located in described lower house, and described wireless temperature measure module stretches out outside described housing.This passive wireless temperature measuring device radiowave carries out data information transfer, sensor is arranged on high-tension apparatus joint area, and radio contact between receiving trap, therefore this system fundamentally solves the difficult problem that high-tension apparatus joint area running temperature is not easily monitored.Wireless transmission method is adopted to have high reliability and security.
Further, be provided with barricade in described lower house, described barricade is divided into two cavitys lower house, and one of them cavity is for placing control panel, and another cavity is for placing coil.
Further, described coil for there being shaped framework coil, around on skeleton.
Further, described wireless temperature measure module adopts magnetically soft alloy material to make.
Further, described control panel is provided with protection circuit.
Further, described control panel is provided with radome, and described radome adopts magnetically soft alloy material to make.
Further, described housing adopts high-temperature insulation material to make.Insulation and electromagnetism interference particularly in high voltage power transmisson system monitoring, are the extremely crucial problem of often encountering in electric system.In current electric system towards in more than 500kV UHV (ultra-high voltage), Large Copacity development, the running temperature monitoring of High voltage power supply equipment is particularly important, and wireless temperature measurement sensing technology has become its best solution.
Further, the dual-side on described upper shell is respectively provided with 2 ears.
Use this passive and wireless temperature probe can be installed on every platform high-voltage switch gear and busbar joint, system disposition standard communication interface, can networking operation, pass through host computer, the data of high-tension switch gear running temperature can be recorded, for the maintenance of high-tension apparatus provides foundation, achieve the Predictive Maintenance of equipment failure.
To compare prior art, the beneficial effect that the utility model has:
(1) CT power taking pattern, function is more perfect, carries out induction power taking by the primary current that contact arm or busbar flow through, superpower power taking performance, without work blind spot; As long as contact of breaker or switch cabinet busbar have 4A or 9A primary current that passive module just can be allowed normally to work.
(2) adopt two tie-type structure, install more convenient;
(3) passive and wireless temperature measurement module size is little, and mounting means is convenient, is applicable to contact wall and the busbar of various sizes, can be arranged on inside contact arm sleeve pipe or outside, can be arranged on the various position of busbar, have more selection, fast easier for installation.
(4) inductive energy is little, and stability is high; The power that inside modules senses from primary current is from the 80mW of 0.4mW to the 5000A of 3A, and the power sensed due to itself is little, does not need to go to consume how many energy by protection circuit, more stable; Shielding construction designs, and anti-interference is good;
(5) add radome and protection circuit, the interference that burst of pulses and surge bring can be tackled easily; New alloy materials application is little from heat production;
(6) wireless temperature measure module, adopt magnetically soft alloy material, heat production is very little, under the big current of 5000A on monitoring point without any impact, be different from traditional silicon steel disc, the energy got is very high, and heat production is very serious, can increase the weight of the temperature of monitoring point.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
In figure, 1-housing, 11-upper shell, 12-lower house, 121-barricade, 2-wireless temperature measure module, 3-control panel, 4-skeleton.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is further described.
Principle of work of the present utility model is: wireless temperature-measuring sensor carries out induction power taking by the primary current flow through on contact or busbar.The power supply sensed is used to provide the normal work of inner collection signal module and wireless transmitter module, for thermometric mode, what we adopted is the mode that temperature-sensitive point directly contacts, the temperature of temperature-sensitive point can be measured so more accurately, simultaneously the data of temperature-sensitive point by wireless real-time transmission to wireless temperature measurement transducing device.
A kind of passive and wireless temperature probe, comprises housing 1, wireless temperature measure module 2, coil; Described housing 1 comprises upper shell 11 and lower house 12, be provided with barricade 121 in described lower house 12, described barricade 121 is divided into two cavitys lower house, and one of them cavity is for placing control panel 3, another cavity is for placing coil, and described coil is around on skeleton 4; Described wireless temperature measure module 2 is connected with control panel 3, and described control panel 3 is provided with signal acquisition module and wireless transmitter module; Described control panel 3 and coil are located in described lower house 12, and described wireless temperature measure module 2 stretches out outside described housing 1.
Described wireless temperature measure module adopts magnetically soft alloy material to make.
Described control panel 3 is provided with protection circuit and radome, and described radome adopts magnetically soft alloy material to make.
Described housing 1 adopts high-temperature insulation material to make.Dual-side on described upper shell 11 is respectively provided with 2 ears.Convenient and busbar is installed.
Last it is noted that above embodiment only in order to illustrate the utility model and and technical scheme described by unrestricted the utility model; Therefore, although this instructions has been described in detail the utility model with reference to each above-mentioned embodiment, those of ordinary skill in the art should be appreciated that and still can modify to the utility model or equivalent replacement; And all do not depart from technical scheme and the improvement thereof of spirit and scope of the present utility model, it all should be encompassed in right of the present utility model.
Claims (8)
1. a passive and wireless temperature probe, is characterized in that: comprise housing (1), wireless temperature measure module (2), coil; Described housing (1) comprises upper shell (11) and lower house (12); Described wireless temperature measure module (2) is connected with control panel (3), and (3) are provided with signal acquisition module and wireless transmitter module to described control panel; Described control panel (3) and coil are located in described lower house (12), and described wireless temperature measure module (2) stretches out described housing (1) outward.
2. passive and wireless temperature probe according to claim 1, it is characterized in that: in described lower house (12), be provided with barricade (121), described barricade (121) is divided into two cavitys lower house, one of them cavity is for placing control panel (3), and another cavity is for placing coil.
3. passive and wireless temperature probe according to claim 2, is characterized in that: described coil for there being shaped framework coil, around on skeleton (4).
4. passive and wireless temperature probe according to claim 1, is characterized in that: described wireless temperature measure module adopts magnetically soft alloy material to make.
5. passive and wireless temperature probe according to claim 1, is characterized in that: described control panel (3) is provided with protection circuit.
6. passive and wireless temperature probe according to claim 5, is characterized in that: described control panel (3) is provided with radome, and described radome adopts magnetically soft alloy material to make.
7. passive and wireless temperature probe according to claim 1, is characterized in that: described housing (1) adopts high-temperature insulation material to make.
8. passive and wireless temperature probe according to claim 1, is characterized in that: the dual-side on described upper shell (11) is respectively provided with 2 ears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520541030.3U CN204903038U (en) | 2015-07-22 | 2015-07-22 | Passive wireless temperature transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520541030.3U CN204903038U (en) | 2015-07-22 | 2015-07-22 | Passive wireless temperature transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204903038U true CN204903038U (en) | 2015-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520541030.3U Expired - Fee Related CN204903038U (en) | 2015-07-22 | 2015-07-22 | Passive wireless temperature transducer |
Country Status (1)
| Country | Link |
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| CN (1) | CN204903038U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596244A (en) * | 2017-09-30 | 2019-04-09 | 镇江长河电力技术有限公司 | Power cable and device junction wireless temperature measuring device |
-
2015
- 2015-07-22 CN CN201520541030.3U patent/CN204903038U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596244A (en) * | 2017-09-30 | 2019-04-09 | 镇江长河电力技术有限公司 | Power cable and device junction wireless temperature measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20170722 |