CN204808072U - Transformer temperature control device based on single point for measuring temperature adopts multisensor - Google Patents
Transformer temperature control device based on single point for measuring temperature adopts multisensor Download PDFInfo
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- CN204808072U CN204808072U CN201520479049.XU CN201520479049U CN204808072U CN 204808072 U CN204808072 U CN 204808072U CN 201520479049 U CN201520479049 U CN 201520479049U CN 204808072 U CN204808072 U CN 204808072U
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- temperature
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- control device
- single point
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Abstract
The embodiment of the utility model discloses transformer temperature control device based on single point for measuring temperature adopts multisensor, its characterized in that, this temperature control device's temperature element installs on the transformer point for measuring temperature, include: temperature element and control by temperature change circuit, the control by temperature change circuit includes: a plurality of treatment circuits, treater and early warning output circuit, the output of treater with early warning output circuit connects, temperature element includes a plurality of sensors, the sensor includes a master reference and a plurality of supplementary sensor, the homogeneous monogamy is connected in each sensor the treatment circuit, each handle circuit connection the processo. The utility model discloses rely on multisensor respectively to connect the mode of a treatment circuit to single point for measuring temperature and each sensor, improved temperature monitoring's continuity, stability and reliability, guarantee the operation of transformer safe and reliable.
Description
Technical field
The utility model relates to transformer temperature measurer part technical field, more particularly, relates to a kind of transformer temperature control device adopting multisensor based on single point for measuring temperature.
Background technology
Transformer utilizes the principle of electromagnetic induction to change the device of alternating voltage, is very important electrical equipment.Transformer has strict insulating property standard, and winding is overheated causes decreasing insulating, is the main reason that transformer breaks down.
Attemperating unit is installed on the point for measuring temperature of transformer, and when the temperature of transformer exceedes alarming value, attemperating unit sends alerting signal; When transformer temperature exceedes trip temperature, attemperating unit can send trip signal, and the operation of disconnecting transformer is to protect transformer.
The attemperating unit that existing transformer is installed adopts single sensor to carry out temperature monitoring for each point for measuring temperature (point for measuring temperature comprises winding coil and iron core), and processor reads each point for measuring temperature sensing data by switching channel successively and processes.But; the monitoring blank time that can produce in above-mentioned passage bridge process; in this monitoring blank time, the real time temperature of transformer point for measuring temperature is for without monitoring state; simultaneously; to be interfered or in case of a fault at this sensor; attemperating unit is because obtaining Current Temperatures, and transformer lacks to be monitored reliably and protects its safe operation to be had a strong impact in time.
Utility model content
In view of this, the utility model provides a kind of transformer temperature control device adopting multisensor based on single point for measuring temperature, to realize improving the continuity of temperature monitoring, stability and reliability, ensures the technical purpose of transformer safety reliability service.
Adopt a transformer temperature control device for multisensor based on single point for measuring temperature, the temperature element of this attemperating unit is installed on transformer point for measuring temperature, the transformer temperature control device of multisensor should be adopted to comprise based on single point for measuring temperature:
Described temperature element and temperature control circuit;
Described temperature control circuit comprises: multiple treatment circuit, processor and early warning output circuit, and the output terminal of described processor is connected with described early warning output circuit;
Described temperature element comprises multiple sensor, and described sensor comprises a master reference and multiple aiding sensors;
All connect one to one in described each sensor described treatment circuit, and each described treatment circuit connects described processor.
Preferably, described multiple sensor comprises:
One or more platinum resistance thermometer sensor, and, one or more thermistor;
Described each platinum resistance thermometer sensor, is connected respectively a platinum thermal treatment circuit, and described each thermistor is connected respectively a thermistor treatment circuit.
Preferably, described thermistor is positive temperature coefficient (PTC) PTC thermistor or negative temperature coefficient NTC thermistor.
Preferably, described sensor also comprises the combination of one or more of thermopair resistance, resistive fiber or infrared resistance.
As can be seen from above-mentioned technical scheme, the transformer temperature control device adopting multisensor based on single point for measuring temperature described in the utility model, install with transformer point for measuring temperature one_to_one corresponding, attemperating unit is for the single point for measuring temperature of transformer, be provided with multiple sensor, when ensureing there is sensor fault wherein, other sensors can complete the function of temperature monitoring, simultaneously, each sensor connects a treatment circuit separately, and realize temperature data by processor and side by side process, overcome the blank monitoring risk that in prior art, processor switching channel brings.The utility model relies on multisensor respectively to connect the mode of a treatment circuit for single point for measuring temperature and each sensor, improves the continuity of temperature monitoring, stability and reliability, ensures transformer safety reliability service.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below.Apparently, the accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the disclosed structural representation adopting the transformer temperature control device of multisensor to be connected with transformer based on single point for measuring temperature of the utility model embodiment;
Fig. 2 is the disclosed transformer temperature control device connecting structure for electrical equipment schematic diagram adopting multisensor based on single point for measuring temperature of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.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.
The utility model provides a kind of transformer temperature control device adopting multisensor based on single point for measuring temperature, to realize improving the continuity of temperature monitoring, stability and reliability, ensures the technical purpose of transformer safety reliability service.
Fig. 1 shows the structure adopting the transformer temperature control device of multisensor to be connected with transformer based on single point for measuring temperature, and Fig. 2 shows the transformer temperature control device structure adopting multisensor based on single point for measuring temperature, is described in conjunction with Fig. 1-2:
The temperature element 1 of this attemperating unit 10 is installed on transformer 20 point for measuring temperature, and in this manual, point for measuring temperature comprises winding coil and iron core:
Temperature element 1 is embedded on the point for measuring temperature of transformer 20, be connected by independently cable between described temperature element 1 with described transformer 20, the temperature signal of described transformer 20 is converted to electric signal by temperature element 1 and imports in described temperature control circuit 2 (see Fig. 2).
This multisensor attemperating unit comprises:
Described temperature element 1 and temperature control circuit 2;
Described temperature control circuit 2 comprises: multiple treatment circuit 21, processor 22 and early warning output circuit 23, and the output terminal of described processor 22 is connected with described early warning output circuit 23;
It should be noted that, clear and succinctly illustrated in order to what illustrate, only represent two sensors in the drawings, in described sensor, include a master reference and an aiding sensors.Described master reference can be PT100 paper tinsel thermal resistance, and described aiding sensors can be thermistor.But the quantity of reality and type can increase and decrease according to actual needs, do not limit to the form enumerated in the present embodiment.
Described temperature element 1 comprises multiple sensor, and described sensor 11 comprises a master reference 11 and multiple aiding sensors 12;
All connect one to one in described each sensor described treatment circuit 21, and each described treatment circuit 21 connects described processor 22.
N completely independently treatment circuit is had in attemperating unit, finishing temperature signal transmission is to processor 22, in processor 22 can according to user demand formulate logical course between multiple sensors (as: PT100 platinum resistance be master reference other be auxiliary, or PTC thermistor be master reference other be auxiliary etc., outlet mode is the relation of logical "and", or the relation of "or", do not limit to).
The process of described processor 22 is based on the temperature signal of described master reference 11; when master reference 12 lost efficacy with many aiding sensors 12 and for final signal; final processor 22 controls to output signal to early warning output circuit 23; described processor carries out the mode of signal transacting relative to commutation circuit of the prior art; without monitoring blank time section, realize implementing omnibearing composite measurement, monitoring, protection to transformer.
In above embodiment, the electric signal of described master reference 11 and described aiding sensors 12 is by the individual completely independently processing of circuit of n, described processor 23 is in continuous print acquisition and processing, based on main temperature probe, determine final trip operation in conjunction with the Output rusults of aiding sensors, guarantee that attemperating unit action is safe and reliable and stable.Action logic and according to can online programming, substantially increases availability and the dirigibility of product.
As preferably, described multiple sensor comprises:
One or more platinum resistance thermometer sensor, and, one or more thermistor;
Described each platinum resistance thermometer sensor, is connected respectively a platinum thermal treatment circuit, and described each thermistor is connected respectively a thermistor treatment circuit.Be positive temperature coefficient (PTC) PTC thermistor or negative temperature coefficient NTC thermistor as preferred described thermistor.
It should be noted that, described multiple sensor also comprises the combination of one or more of thermopair resistance, resistive fiber or infrared resistance.Thus described multiple sensor carries out temperature survey to single point for measuring temperature and is not limited to and adopts same many sensors, or many different sensors.
In sum:
The transformer temperature control device adopting multisensor based on single point for measuring temperature of the utility model embodiment, install with transformer point for measuring temperature one_to_one corresponding, attemperating unit for transformer around single point for measuring temperature, be provided with multiple sensor, when ensureing there is sensor fault wherein, other sensors can complete the function of temperature monitoring, simultaneously, each sensor connects a treatment circuit separately, and realize temperature data by processor and side by side process, overcome the blank monitoring risk that in prior art, processor switching channel brings.The utility model relies on multisensor respectively to connect the mode of a treatment circuit for single point for measuring temperature and each sensor, improves the continuity of temperature monitoring, stability and reliability, ensures transformer safety reliability service.
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 the spirit or scope of the utility model embodiment, can realize in other embodiments.Therefore, the utility model embodiment 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 (4)
1. adopt a transformer temperature control device for multisensor based on single point for measuring temperature, it is characterized in that, the temperature element of this attemperating unit is installed on transformer point for measuring temperature, the transformer temperature control device of multisensor should be adopted to comprise based on single point for measuring temperature:
Described temperature element and temperature control circuit;
Described temperature control circuit comprises: multiple treatment circuit, processor and early warning output circuit, and the output terminal of described processor is connected with described early warning output circuit;
Described temperature element comprises multiple sensor, and described sensor comprises a master reference and multiple aiding sensors;
All connect one to one in described each sensor described treatment circuit, and each described treatment circuit connects described processor.
2. adopt the transformer temperature control device of multisensor as claimed in claim 1 based on single point for measuring temperature, it is characterized in that, described multiple sensor comprises:
One or more platinum resistance thermometer sensor, and, one or more thermistor;
Described each platinum resistance thermometer sensor, is connected respectively a platinum thermal treatment circuit, and described each thermistor is connected respectively a thermistor treatment circuit.
3. adopt the transformer temperature control device of multisensor as claimed in claim 1 based on single point for measuring temperature, it is characterized in that, described thermistor is positive temperature coefficient (PTC) PTC thermistor or negative temperature coefficient NTC thermistor.
4. adopt the transformer temperature control device of multisensor as claimed in claim 1 based on single point for measuring temperature, it is characterized in that, described sensor also comprises the combination of one or more of thermopair resistance, resistive fiber or infrared resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520479049.XU CN204808072U (en) | 2015-07-03 | 2015-07-03 | Transformer temperature control device based on single point for measuring temperature adopts multisensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520479049.XU CN204808072U (en) | 2015-07-03 | 2015-07-03 | Transformer temperature control device based on single point for measuring temperature adopts multisensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204808072U true CN204808072U (en) | 2015-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520479049.XU Expired - Fee Related CN204808072U (en) | 2015-07-03 | 2015-07-03 | Transformer temperature control device based on single point for measuring temperature adopts multisensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204808072U (en) |
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2015
- 2015-07-03 CN CN201520479049.XU patent/CN204808072U/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 | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hebei province Baoding City Xiangyang North 071000 Street No. 2999 Patentee after: Hebei Bo for electrical Limited by Share Ltd Address before: Hebei province Baoding City Xiangyang North 071000 Street No. 2999 Patentee before: Hebei Bowei Electric Co., Ltd. |
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| 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: 20151125 Termination date: 20210703 |