CN2566129Y - Sensor for detecting combustion flame temp - Google Patents
Sensor for detecting combustion flame temp Download PDFInfo
- Publication number
- CN2566129Y CN2566129Y CN 02240011 CN02240011U CN2566129Y CN 2566129 Y CN2566129 Y CN 2566129Y CN 02240011 CN02240011 CN 02240011 CN 02240011 U CN02240011 U CN 02240011U CN 2566129 Y CN2566129 Y CN 2566129Y
- Authority
- CN
- China
- Prior art keywords
- sensor
- temperature
- binding post
- combustion flame
- utility
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Control Of Combustion (AREA)
Abstract
The utility model discloses a sensor for detecting the temperature of combustion flame, which comprises a high-temperature protecting tube, a U-shaped sensing body, a binding post and a rubber protecting sleeve, wherein, an alloy wire is arranged in the U-shaped sensing body outside which the high-temperature protecting tube is arranged, and the opening end of the U-shaped sensing body is provided with the binding post outside which the rubber protecting sleeve is coated. The utility model has the advantages of accurate temperature detection, little error, simple structure, convenient use and long service life and is suitable for various high-temperature conditions, and can effectively monitor the working conditions of fuel heaters.
Description
Technical field
The utility model relates to a kind of sensor, relates in particular to a kind of sensor that is used to survey combustion flame temperature, and this sensor mainly is to be used for monitoring fuel heater or burner igniting and combustion conditions.
Background technology
At present, the fuel heater of domestic production is divided into manual control and controls two kinds automatically by control mode.Automatically the combustion flame temperature sensor of control fuel heater adopts two kinds of different materials of coefficient of thermal expansion, stretches by temperature sensor and touches microswitch and control.Owing to adopted mechanical switch and relevant gear train,, usually caused The whole control system malfunctioning so the ability of shock resistance, anti-vibration is relatively poor.And external like product sensor adopts light-operated mode, and is owing to reasons such as domestic fuel oil quality and heater structures, inapplicable.
The utility model content
The purpose of this utility model is the deficiency at existing combustion flame temperature sensor, according to the thermoelectric effect phenomenon, a kind of flame temperature sensor that designs in conjunction with the fuel heater specific requirement, this sensor has removed mechanical switch and gear train, makes that it has that volume is little, reliability is high, advantage such as high conformity, high temperature resistant, anti-vibration.Owing to overcome the shortcoming of original sensor, be easier to realize the automatic control of fuel heater, burner.
Task of the present utility model is finished by following technical proposals; a kind of sensor that is used to survey combustion flame temperature of the utility model; comprise the high temperature protection pipe; the U-shaped inductor; binding post and rubber sheath, described U-shaped inductor is built-in with nickel chromium triangle or nickel silicon alloy silk, and this U-shaped inductor is equipped with the high temperature protection pipe outward; described U-shaped inductor openend is equipped with binding post, and described binding post is surrounded by rubber sheath outward.The bottom of wherein said U-shaped inductor welds together, contact is as the working end, it is the hot junction, another openend is that cold junction then produces thermoelectrical potential, the size of thermoelectrical potential becomes corresponding relation with flame temperature, cold junction is connected to the binding post control system can judge fuel heater igniting and combustion conditions by the perceive heat electromotive force, and fuel heater is implemented control, and fuel heater described here can be automotive fan heater or auto heater; During use protection tube is inserted in the fuel heater firing chamber; the high temperature protection pipe end is exposed in the firing chamber, directly contacts with combustion flame or non-direct contact, and sensor of the present utility model is according to the special requirement of fuel heater; do not need compensating wire, overall dimensions is made less.
The utility model has the advantages that it is the sensor that designs and reach measurement high temperature according to the thermoelectric effect phenomenon, its measures that temperature is accurate, error is little, simple in structure, easy to use, the life-span is long, be applicable to the situation of various high temperature, and can monitor the operating mode of fuel heater effectively.
Description of drawings
Further describe structure of the present utility model below in conjunction with accompanying drawing, wherein:
Fig. 1 is used to survey the structural representation of the sensor of combustion flame temperature for the utility model is a kind of.
Embodiment
Now referring to accompanying drawing, 1 is that U-shaped inductor, 2 is that high temperature protection pipe, 3 is that binding post, 4 is that nut, 5 is sheath.U-shaped inductor 1 is built-in with nickel chromium triangle or nickel silicon alloy silk; the bottom of U-shaped inductor 1 welds together; contact is as the working end; it is the hot junction; another openend is that cold junction then produces thermoelectrical potential; be equipped with high temperature protection pipe 2 outside the U-shaped inductor 1, U-shaped inductor 1 openend is equipped with binding post 3, the binding post 3 outer rubber sheaths 5 that are surrounded by.
Claims (1)
1, a kind of sensor that is used to survey combustion flame temperature; it is characterized in that: comprise the high temperature protection pipe; the U-shaped inductor; binding post and rubber sheath; described U-shaped inductor is built-in with the alloy silk; this U-shaped inductor is equipped with the high temperature protection pipe outward, and described U-shaped inductor openend is equipped with binding post, and described binding post is surrounded by rubber sheath outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02240011 CN2566129Y (en) | 2002-07-05 | 2002-07-05 | Sensor for detecting combustion flame temp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02240011 CN2566129Y (en) | 2002-07-05 | 2002-07-05 | Sensor for detecting combustion flame temp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2566129Y true CN2566129Y (en) | 2003-08-13 |
Family
ID=33713243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02240011 Expired - Fee Related CN2566129Y (en) | 2002-07-05 | 2002-07-05 | Sensor for detecting combustion flame temp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2566129Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101403639B (en) * | 2008-11-17 | 2010-04-14 | 华中科技大学 | Temperature image and blackness image detection method for carbon hydrogen flame |
-
2002
- 2002-07-05 CN CN 02240011 patent/CN2566129Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101403639B (en) * | 2008-11-17 | 2010-04-14 | 华中科技大学 | Temperature image and blackness image detection method for carbon hydrogen flame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |