CN201628589U - Temperature measurement acquiring device for annular detected parts - Google Patents
Temperature measurement acquiring device for annular detected parts Download PDFInfo
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- CN201628589U CN201628589U CN2009202883085U CN200920288308U CN201628589U CN 201628589 U CN201628589 U CN 201628589U CN 2009202883085 U CN2009202883085 U CN 2009202883085U CN 200920288308 U CN200920288308 U CN 200920288308U CN 201628589 U CN201628589 U CN 201628589U
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- temperature
- measured piece
- annular
- temperature measurement
- thermocouple sensor
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Abstract
A temperature measurement acquiring device for an annular detected part is characterized by comprising thermocouple sensors, a collecting ring device and a collecting ring output port, the thermocouple sensors are uniformly distributed on the annular detected part along a circumferential direction, output ends of the thermocouple sensors are connected with the collecting ring device, and the collecting ring output port is a pin type plug structure. The temperature measurement acquiring device for an annular detected part has the advantages that the temperature measurement acquiring device can accurately acquire temperature of detected points, and is simple in structure, stable in operation and convenient for maintenance.
Description
Technical field
The utility model relates to the temperature collecting device field, particularly a kind of temperature survey harvester of annular measured piece.
Background technology
For guaranteeing that equipment hot junction parts have normal state of temperature, must make temperature limitation within the specific limits so be in operation, otherwise, will cause burn, major accident such as fracture.So, press for a kind of temperature survey harvester and carry out temperature survey.
The utility model content
The purpose of this utility model is the temperature of gathering measured piece for reasonable, and the spy provides a kind of temperature survey harvester of annular measured piece.
The utility model provides a kind of temperature survey harvester of annular measured piece, it is characterized in that: the temperature survey harvester of described annular measured piece comprises thermocouple sensor 1, collector machine 2, collector ring output port 3;
In described each thermocouple sensor 1 the two-way measuring circuit is arranged, one road independent output is arranged, the back in parallel on another road is as one group of output, promptly realize not only can monitoring single thermopair temperature but also can monitor the medial temperature of each thermopair simultaneously.
The conductor length unanimity of described thermocouple sensor 1.
Though thermopair is a kind of very ancient sensor, it has a series of advantage, for example measure accurately, precision is high, output signal is that electric signal is convenient to teletransmission, conversion etc., in the occasion of industrial processes temperature monitoring and control still in widespread usage.
Principle of work:
Thermopair is that two kinds of different conductors or semiconductor are connected into the closed-loop path, and (as Fig. 4) places temperature respectively to be T and T respectively their two contacts
0Thermal source in, then this loop will produce thermopower, this phenomenon is called thermoelectric effect.This thermopower is made up of two parts, contact electromotive force and thermoelectromotive force.
Thermoelectromotive force is a kind of thermopoweves that produce because of its temperature difference at the two ends of same conductor.Because the electron energy of temperature end (T) is bigger than the electron energy of low-temperature end, thereby the electron number of going to low-temperature end from temperature end than go to from low-temperature end temperature end come many, temperature end loses electronics and is positively charged as a result, low-temperature end obtains electronics and is electronegative, thereby forms an electrostatic field.At this moment, just produce a corresponding potential difference (PD) U at the conductor two ends
T-U
T0, i.e. thermoelectromotive force.
Collector ring adopts the constant resistance design, the conductor length unanimity that promptly connects every thermopair, make like this having established of collector ring more complicated, but guaranteed the unanimity of every thermocouple measurement error, promptly avoided bringing difference on the measurement result because of the difference between the measuring sensor as far as possible.Collector ring connects each thermopair by lug plate, the signal that wherein need guarantee every thermopair has independent one tunnel output, and with after the signal parallel connection of each another group of thermopair as one group of output signal, promptly realize the medial temperature that not only can monitor the temperature of single thermopair only but also can monitor each thermopair simultaneously.
Advantage of the present utility model:
The temperature survey harvester of annular measured piece described in the utility model can accurately be gathered the temperature of measured point, and is simple in structure, stable, is convenient to safeguard.
Description of drawings
Below in conjunction with drawings and the embodiments the utility model is described in further detail:
Fig. 1 is the principle schematic of the temperature survey harvester of annular measured piece;
Fig. 2 is the thermopair synoptic diagram;
Fig. 3 is a collector ring output terminal synoptic diagram.
Embodiment
Present embodiment provides a kind of temperature survey harvester of annular measured piece, it is characterized in that: the temperature survey harvester of described annular measured piece comprises thermocouple sensor 1, collector machine 2, collector ring output port 3;
In described each thermocouple sensor 1 the two-way measuring circuit is arranged, one road independent output is arranged, the back in parallel on another road is as one group of output, promptly realize not only can monitoring single thermopair temperature but also can monitor the medial temperature of each thermopair simultaneously.
The conductor length unanimity of described thermocouple sensor 1.
Claims (3)
1. the temperature survey harvester of an annular measured piece, it is characterized in that: the temperature survey harvester of described annular measured piece comprises thermocouple sensor (1), collector machine (2), collector ring output port (3);
Thermocouple sensor (1) circumferencial direction is distributed on the annular measured piece (4), and the output terminal of thermocouple sensor (1) is connected with collector machine (2), and collector ring output port (3) is the contact pin type plug construction.
2. according to the temperature survey harvester of the described annular measured piece of claim 1, it is characterized in that: in described each thermocouple sensor (1) the two-way measuring circuit is arranged, one road independent output is arranged, the back in parallel on another road is as one group of output.
3. according to the temperature survey harvester of the described annular measured piece of claim 1, it is characterized in that: the connection conductor length unanimity in the described collector machine (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202883085U CN201628589U (en) | 2009-12-23 | 2009-12-23 | Temperature measurement acquiring device for annular detected parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202883085U CN201628589U (en) | 2009-12-23 | 2009-12-23 | Temperature measurement acquiring device for annular detected parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201628589U true CN201628589U (en) | 2010-11-10 |
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ID=43059986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202883085U Expired - Fee Related CN201628589U (en) | 2009-12-23 | 2009-12-23 | Temperature measurement acquiring device for annular detected parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201628589U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937487A (en) * | 2012-10-19 | 2013-02-20 | 哈尔滨盖格电子工程有限公司 | Intelligent fault detection and alarm system for collecting ring of carbon brushes of large generator |
| CN106323490A (en) * | 2016-09-20 | 2017-01-11 | 中国科学院上海微系统与信息技术研究所 | Centrifuge turntable temperature test system with temperature control function |
| CN111080063A (en) * | 2019-11-15 | 2020-04-28 | 上海电气电站设备有限公司 | Evaluation method for collector ring running state |
-
2009
- 2009-12-23 CN CN2009202883085U patent/CN201628589U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937487A (en) * | 2012-10-19 | 2013-02-20 | 哈尔滨盖格电子工程有限公司 | Intelligent fault detection and alarm system for collecting ring of carbon brushes of large generator |
| CN102937487B (en) * | 2012-10-19 | 2014-07-23 | 哈尔滨盖格电子工程有限公司 | Intelligent fault detection and alarm system for collecting ring of carbon brushes of large generator |
| CN106323490A (en) * | 2016-09-20 | 2017-01-11 | 中国科学院上海微系统与信息技术研究所 | Centrifuge turntable temperature test system with temperature control function |
| CN111080063A (en) * | 2019-11-15 | 2020-04-28 | 上海电气电站设备有限公司 | Evaluation method for collector ring running state |
| CN111080063B (en) * | 2019-11-15 | 2024-04-30 | 上海电气电站设备有限公司 | Method for evaluating operation state of collecting ring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101110 Termination date: 20131223 |