CN204389046U - A kind of Temperature Monitoring of HV Apparatus on-line computing model - Google Patents
A kind of Temperature Monitoring of HV Apparatus on-line computing model Download PDFInfo
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- CN204389046U CN204389046U CN201420862803.3U CN201420862803U CN204389046U CN 204389046 U CN204389046 U CN 204389046U CN 201420862803 U CN201420862803 U CN 201420862803U CN 204389046 U CN204389046 U CN 204389046U
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- Measuring Temperature Or Quantity Of Heat (AREA)
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Abstract
The utility model discloses a kind of Temperature Monitoring of HV Apparatus on-line computing model, semiconductor temperature element is utilized to measure the running temperature of high-tension apparatus, then, by microcontroller, the simulating signal recorded is converted to digital signal, and by fiber optic modulator, described digital signal is converted to light signal output.Namely this Temperature Monitoring of HV Apparatus on-line computing model adopts Optical Fiber Transmission temperature signal, optical fiber has excellent insulating property, can the high pressure of isolated high-voltage equipment, therefore, Temperature Monitoring of HV Apparatus on-line computing model can be directly installed on high-tension apparatus, the running temperature of on-line measurement high-tension apparatus.
Description
Technical field
The utility model relates to technical field of temperature measurement, more particularly, relates to a kind of Temperature Monitoring of HV Apparatus on-line computing model.
Background technology
Temperature Monitoring of HV Apparatus on-line computing model is mainly used in the temperature measuring high voltage component, such as, the temperature of the high-tension apparatus such as high-tension switch cabinet contact, electric power cable contact, cable interlayer, cable passage, Generator Stator, high-power transformer, dry-type transformer, box-type substation.
Traditional temperature survey mode mainly contains following several:
(1) temperature sensor thermometric mode
Temperature sensor thermometric mode mainly adopts thermopair, thermal resistance, semiconductor temperature sensor equitemperature sensing element to realize, these temperature sensors all need plain conductor signal transmission, cannot ensure that there are stable insulating property, therefore, cannot use on high-tension apparatus.
(2) infrared measurement of temperature mode
Due to the thermometric narrow space of the high-tension apparatus such as switch cubicle, power cable connector, (must cannot not keep certain safe distance with measured object because of probe by installation infrared temperature probe, and need just to the surface of testee), and cannot use and hand-heldly infraredly carry out manual inspection.In addition, infrared mode thermometric affects comparatively large by ambient temperature and humidity, temperature measurement accuracy is poor.
(3) grating fibers thermometric mode
It is less that grating fibers thermometric has the advantages, particularly volume such as electromagnetism interference, electrical insulating property is good, thermometric is accurate, but it is expensive, and starting point price is high, is not suitable for small point, multiunit in-site measurement and on-the-spot display.
(4) wireless temperature measurement mode
Wireless temperature measurement mode has easy-to-install feature, but has signal jam problem when large quantity sensor is assembled among a small circle.
In sum, the temperature measuring positions of high-tension apparatus generally has exposed high pressure, and narrow space, electric jamming is large, and common thermometry can not be used for the running temperature measuring high-tension apparatus.Therefore, how to solve the difficult problem that high-tension apparatus running temperature is not easily monitored, become the technical matters that those skilled in the art are urgently to be resolved hurrily.
Summary of the invention
In view of this, the utility model provides a kind of Temperature Monitoring of HV Apparatus on-line detector, and to realize the running temperature of on-line measurement high-tension apparatus, technical scheme is as follows:
The utility model provides a kind of Temperature Monitoring of HV Apparatus on-line computing model, comprising: semiconductor temperature element, microcontroller and fiber optic modulator;
The running temperature of object under test measured by described semiconductor temperature element, and corresponding for the temperature recorded simulating signal is supplied to described microcontroller;
Described simulating signal is converted to digital signal by described microcontroller, and is supplied to described fiber optic modulator;
Described digital signal is converted to light signal by described fiber optic modulator, and exports.
Alternatively, described microcontroller is single-chip microcomputer.
Alternatively, described microcontroller is programmable logic controller (PLC).
Alternatively, also comprise: for transmitting the transmission line of described light signal, and described transmission line adopts the transmission line with metal barrier film.
Alternatively, described transmission line is that copper-clad wraps up in transmission line
As can be seen from above-mentioned technical scheme, the Temperature Monitoring of HV Apparatus on-line computing model that the utility model provides, this monitor utilizes semiconductor temperature element to measure the running temperature of high-tension apparatus, then, by microcontroller, the simulating signal recorded is converted to digital signal, and by fiber optic modulator, described digital signal is converted to light signal output.Namely this Temperature Monitoring of HV Apparatus on-line computing model adopts Optical Fiber Transmission temperature signal, optical fiber has excellent insulating property, can the high pressure of xegregating unit, have that electrical insulating property is good, electromagnetism interference, therefore, Temperature Monitoring of HV Apparatus on-line computing model can be directly installed on high-tension apparatus, the running temperature of on-line measurement high-tension apparatus.Meanwhile, semiconductor temperature element, microcontroller, fiber optic modulator cheap, therefore, the price of Temperature Monitoring of HV Apparatus on-line detector is lower.And the small volume of each components and parts, be relatively applicable to small point, multiunit scene, namely Temperature Monitoring of HV Apparatus on-line computing model can be installed on every platform high-tension apparatus.In addition, Temperature Monitoring of HV Apparatus on-line computing model also has the advantages such as thermometric is accurate, long service life.
Accompanying drawing explanation
The structural representation of the Temperature Monitoring of HV Apparatus on-line monitoring equipment that Fig. 1 provides for the utility model embodiment.
Embodiment
The utility model discloses a kind of Temperature Monitoring of HV Apparatus on-line monitoring equipment, to solve the difficult problem that high-tension apparatus running temperature is not easily monitored.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, show the structural representation of the Temperature Monitoring of HV Apparatus on-line computing model that the utility model embodiment provides.
As shown in Figure 1, described Temperature Monitoring of HV Apparatus on-line monitoring equipment comprises: semiconductor temperature element 101, microcontroller 102 and fiber optic modulator 103.
Semiconductor temperature element 101 is for measuring the running temperature of object under test.It is simulating signal that Measurement of Semiconductors element 101 records temperature signal.By microcontroller 102, described simulating signal is converted to digital signal, and is supplied to fiber optic modulator 103.By fiber optic modulator 103, described digital signal is converted to light signal to export.
After fiber optic modulator converts electrical signals to light signal, transmitted by optical fiber transmission line, optical fiber has excellent insulating property, can isolated high-voltage equipment produce electromagnetic interference (EMI), therefore, described Temperature Monitoring of HV Apparatus on-line detector is applicable to the temperature of the equipment that on-line measurement runs in hyperbaric environment.
In an embodiment of the application, adopt the transmission line with metal barrier film, metal barrier film can reduce electromagnetic interference (EMI), improves the stability of data transmission.Such as, copper-clad is adopted to wrap up in transmission line.
Described microcontroller 102 can adopt the microcontroller such as single-chip microcomputer or programmable logic controller (PLC) to realize.
The Temperature Monitoring of HV Apparatus on-line computing model that the utility model provides, this monitor utilizes semiconductor temperature element to measure the running temperature of high-tension apparatus, then, by microcontroller, the simulating signal recorded is converted to digital signal, and by fiber optic modulator, described digital signal is converted to light signal output.Namely this Temperature Monitoring of HV Apparatus on-line computing model adopts Optical Fiber Transmission temperature signal, and optical fiber has excellent insulating property, can the high pressure of isolated high-voltage equipment, and therefore, this monitor can be directly installed on high-tension apparatus, the running temperature of on-line measurement high-tension apparatus.
And the Temperature Monitoring of HV Apparatus on-line computing model that the utility model provides has the advantages such as electrical insulating property is good, electromagnetism interference, thermometric accurate, long service life.Meanwhile, the price of semiconductor temperature element, microcontroller, fiber optic modulator is all very cheap, and be relatively applicable to small point, multiunit scene, namely Temperature Monitoring of HV Apparatus on-line computing model can be installed on every platform high-tension apparatus.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. a Temperature Monitoring of HV Apparatus on-line computing model, is characterized in that, comprising: semiconductor temperature element, microcontroller and fiber optic modulator;
The running temperature of object under test measured by described semiconductor temperature element, and corresponding for the temperature recorded simulating signal is supplied to described microcontroller;
Described simulating signal is converted to digital signal by described microcontroller, and is supplied to described fiber optic modulator;
Described digital signal is converted to light signal by described fiber optic modulator, and exports.
2. Temperature Monitoring of HV Apparatus on-line computing model according to claim 1, is characterized in that, described microcontroller is single-chip microcomputer.
3. Temperature Monitoring of HV Apparatus on-line computing model according to claim 1, is characterized in that, described microcontroller is programmable logic controller (PLC).
4. Temperature Monitoring of HV Apparatus on-line computing model according to claim 1, is characterized in that, also comprise: for transmitting the transmission line of described light signal, and described transmission line adopts the transmission line with metal barrier film.
5. Temperature Monitoring of HV Apparatus on-line computing model according to claim 4, is characterized in that, described transmission line is that copper-clad wraps up in transmission line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420862803.3U CN204389046U (en) | 2014-12-31 | 2014-12-31 | A kind of Temperature Monitoring of HV Apparatus on-line computing model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420862803.3U CN204389046U (en) | 2014-12-31 | 2014-12-31 | A kind of Temperature Monitoring of HV Apparatus on-line computing model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204389046U true CN204389046U (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420862803.3U Expired - Fee Related CN204389046U (en) | 2014-12-31 | 2014-12-31 | A kind of Temperature Monitoring of HV Apparatus on-line computing model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204389046U (en) |
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2014
- 2014-12-31 CN CN201420862803.3U patent/CN204389046U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20150610 Termination date: 20151231 |
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| EXPY | Termination of patent right or utility model |