CN201138247Y - Optical continuous temperature measurement system - Google Patents
Optical continuous temperature measurement system Download PDFInfo
- Publication number
- CN201138247Y CN201138247Y CNU2007201100322U CN200720110032U CN201138247Y CN 201138247 Y CN201138247 Y CN 201138247Y CN U2007201100322 U CNU2007201100322 U CN U2007201100322U CN 200720110032 U CN200720110032 U CN 200720110032U CN 201138247 Y CN201138247 Y CN 201138247Y
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- sleeve
- measurement
- air intake
- intake opening
- pickup apparatus
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Abstract
The utility model discloses an optical continuous temperature measurement system, which comprises a temperature measurement tube, a light receiver and a signal analytic set. A photosensor and an optical element are arranged inside the light receiver. A cooling blast passage and a blowing blast passage are arranged inside the light receiver. The gas used for cooling is divided into two parts after the gas enters the light receiver through a first inlet, and passes through the cooling blast passage and the blowing blast passage to cool the photosensor and blow the optical element respectively. The accuracy of the measurement of the system is high; and the speed of response is high, the cost is low. The system can be widely used for the continuous measurement of temperature of such high temperature liquid or gases as molten metal or molten glass.
Description
Technical field
The utility model relates to the optics temp measuring system, particularly a kind of optics continuous temperature measurement system that utilizes the blackbody radiation thermometry.
Background technology
In the production run in fields such as metallurgy, glass, chemical industry, realize to the continuous coverage of motlten metal, melten glass, high-temperature gas equitemperature to adjust production technology, cut down the consumption of energy, improve the quality of products all significant.
The flat 3-103729 of Jap.P. discloses a kind of optics temp measuring system, comprise that an end is suitable for being inserted into the individual layer temperature tube in the motlten metal and is attached thereto optical pickup apparatus, the signal analysis device that connects, photoelectric sensor and optical element are installed in the described optical pickup apparatus.The bottom of described temperature tube is by heat conduction perception temperature of melt metal and send infrared radiation, and optical pickup apparatus receives infrared radiation signal and feed signals analytical equipment, thereby obtains the internal temperature of motlten metal.In addition, owing to will measure temperature of melt metal usually, temperature often is not less than 1200 ℃, so the temperature of the photoelectric sensor in the optical pickup apparatus is also higher.For photoelectric sensor can more accurately and enduringly be worked, described temp measuring system also is furnished with blow device, and the gas that uses blow device to provide removes to cool off described photoelectric sensor.Described temp measuring system can record the temperature of molten metal, but following deficiency is arranged also: described temperature tube is selected conventional exotic material for use, be generally aluminium, carbon, silica composition, and chemical reaction at high temperature can take place in carbon and silicon dioxide, generate the silicon monoxide volatile matter; And make bonding agents such as common use resin and pitch in the temperature tube process at sintering, and these materials are at high temperature also volatile; Above-mentioned volatile matter can pollute the optical element in the optical pickup apparatus and measure light path, has increased measuring error.
Pollute the problem that optical element and light path cause measuring error to increase in order to solve the volatile matter that exists in the said system, the flat 7-12650 of Jap.P. Te Open discloses a kind of optics temp measuring system that is used for the molten metal temperature continuous coverage, comprises temperature tube, optical pickup apparatus, signal analysis device and blow device.Described temperature tube is a complex pipe, inside and outside two sleeve pipes all are end openings, the sealing of one end, described inner sleeve uses the corundum material that does not produce volatile matter, analyze by utilizing Radiation Temperature Measurement Instrument that described temperature tube is inserted the heat radiation of sending the inner sleeve end in the molten steel, thereby calculate the temperature of molten steel.Described blow device is identical with the flat 3-103729 of Jap.P..Publication number is that CN1561450A and notification number are that the Chinese patent of CN1116593C discloses other two kinds of optics temp measuring systems, has used in the described temp measuring system and the similar temperature tube of above-mentioned complex pipe.Above-mentioned composite pipe structure has prevented that effectively the volatile matter that outer tube produces from polluting optical element and light path, but this scheme also has deficiency: owing to adopted complex pipe, so increased the response time of measuring, the interior pipe of increase has also improved cost.
The utility model content
In order to solve above shortcomings in the prior art, the utility model provides a kind of gas that effectively utilizes blow device to provide to remove to purge optical element in the optical pickup apparatus, and then the optics continuous temperature measurement system that improves optics temperature measurement accuracy and response speed, reduces cost.
For achieving the above object, the utility model is by the following technical solutions:
A kind of optics continuous temperature measurement system comprises temperature tube, optical pickup apparatus and signal analysis device, and photoelectric sensor and optical element are installed in the described optical pickup apparatus; Also be provided with cooling air flow passage and gaseous purge stream passage in the described optical pickup apparatus, cooling is divided into two-way after entering described optical pickup apparatus with gas, removes to cool off described photoelectric sensor, purges described optical element by cooling air flow passage and gaseous purge stream passage respectively.
Described optical pickup apparatus comprises the additional sleeve of measuring sleeve, being installed in measurement sleeve outer rim, and described photoelectric sensor and optical element are installed in the described measurement sleeve; Cooling is cooled off described photoelectric sensor after entering the measurement sleeve with gas, and flows out between described measurement sleeve and additional sleeve; Be provided with second air intake opening on the measurement sleeve part in additional sleeve, also be provided with the gas outlet on the described measurement sleeve; Described cooling enters from described second air intake opening with gas and measures in the sleeve, and flows out from described gas outlet.
Also be provided with projection on the measurement sleeve of described second air intake opening, one side; The regulating part that can not cover, partly covers, covers fully described second air intake opening when the one end is mobile between the end face of described projection and additional sleeve also is being installed on the described measurement sleeve.
On described measurement sleeve, also install and when it moves, can not cover, the part covering, cover the regulating part of described second air intake opening fully, on the measurement sleeve of a side of described second air intake opening or on the regulating part seal is installed.
The seal that cooperates with an end end face of described regulating part is installed on the described projection.
One end of described regulating part is equipped with the seal that cooperates with the end face that adds sleeve.
The fixture that cooperates fixing described regulating part with the end face of described additional sleeve also is installed on the described regulating part.
In the described measurement sleeve isolated plant is installed also, described isolated plant is a hollow structure, and the edge of top and bottom contacts with described optical pickup apparatus sealing, and the upper end-face edge of described isolated plant has the circle hole; Described second air intake opening is arranged on the measurement sleeve between the top and bottom of described isolated plant.
In the described measurement sleeve isolated plant is installed also, described isolated plant is a hollow structure, and the upper end is that hollow tube, lower end are back-up ring, and the edge of described back-up ring contacts with described optical pickup apparatus sealing; Described second air intake opening is arranged on the measurement sleeve between the top and bottom of described isolated plant.
Described cooling gas is gas anhydrous, that nothing is oily, dustless.
According to the technical solution of the utility model, owing to used the gas of the required usefulness of photoelectric sensor in the cooling optical pickup apparatus that the optical element in the optical pickup apparatus is purged, and can easily control the flow of sweep gas; Improve the accuracy and the persistence of photoelectric sensor work in the optical pickup apparatus on the one hand, reduced measuring error, improved temperature measurement accuracy; Avoided in the environment on the other hand again and volatile matter or evaporant that temperature tube produces pollute light path and optical element, reduced measuring error, also used response speed height, individual layer temperature tube that cost is low.
Description of drawings
Fig. 1 is the structural representation of a kind of optics continuous temperature measurement of the present utility model system;
Fig. 2 is a view of the optical pickup apparatus in Fig. 1 temp measuring system;
Fig. 3 is another view of the optical pickup apparatus in Fig. 1 temp measuring system;
Fig. 4 is a view again of the optical pickup apparatus in Fig. 1 temp measuring system;
Fig. 5 is the structural representation of the isolated plant in the optical pickup apparatus in a kind of Fig. 1 temp measuring system;
Fig. 6 is the structural representation of the isolated plant in the optical pickup apparatus in another kind of Fig. 1 temp measuring system.
Embodiment
Below in conjunction with drawings and Examples, the utility model is done further detailed description.
Embodiment 1:
As shown in Figure 1, 2, a kind of optics continuous temperature measurement system is applied in the temperature survey of molten steel 500 in the ladle 400, comprises temperature tube 200, optical pickup apparatus 300 and signal analysis device 100.Described temperature tube 200 is mono-layer tubes, and described optical pickup apparatus 300 is installed on the temperature tube 200, comprises end cap 2, measures sleeve 3, adds sleeve 4, photoelectric sensor 62 and optical element 61,9.
Described end cap 2 is provided with first air intake opening 1.Described additional sleeve 4 is installed in the outer rim of described measurement sleeve 3 by screw thread, be provided with second air intake opening 7 on measurement sleeve 3 parts in additional sleeve 4, on the measurement sleeve 3 of described air intake opening 7 one sides, also be provided with projection 31, on the projection 31 seal 32 be installed.Also be provided with gas outlet 11 on the described measurement sleeve 3.
One isolated plant 6 also is installed, as shown in Figure 5 in closing on the measurement sleeve 3 of described air intake opening 7.The edge of the top and bottom of described isolated plant 6 contacts with measuring sleeve 3, wherein lower end sealing, and the edge of described isolated plant 6 upper ends has a circle hole 60.
also install on the described measurement sleeve 3 when the one end described protruding 31 and the end face of additional sleeve 4 between can not cover when mobile, the part covering, cover the regulating part 5 of described second air intake opening 7 fully.The fixture 63 that cooperates fixing described regulating part 5 with the end face of described additional sleeve 4 also is installed on the described regulating part 5, and present embodiment uses nut.
Described optical element comprises slide 9 and other devices that is installed in the described measurement sleeve 3 foremost, and the mounting means of other device such as convergent lens 61 etc. all is a prior art, does not repeat them here.And photoelectric sensor 62 is installed in the rear of described optical element, be used for the infrared radiation signal that send temperature tube 200 bottoms that receive is converted to electric signal, and feed signals analytical equipment 100 is analyzed.
The working method of above-mentioned optics continuous temperature measurement system is: temperature tube 200 is inserted in the test substance, as molten steel 500, the temperature of the bottom perception molten steel 500 of temperature tube 200, and send infrared radiation, optical radiation is by being received by photoelectric sensor 62 after slide 9, the convergent lens 61.Signal analysis device 100 is analyzed the signal that photoelectric sensor 62 is sent here, analyzes the temperature that obtains measured matter such as molten steel 500.Because optical pickup apparatus 300 is applied under the hot environment, therefore need to use anhydrous, do not have oil, dustless clean gas cools off the photoelectric sensor 62 in the optical pickup apparatus 300.As shown in Figure 2, gas enters after-blow on described photoelectric sensor 62 from described first air intake opening 1, reduces the temperature of photoelectric sensor 62; Then pass through cooling air flow passage: in the middle of the described measurement sleeve 3 and between measurement sleeve 3 and the additional sleeve 4, flow out from measuring between the slit of leaving between sleeve 3 and the additional sleeve 4 at last, the gas that flows has reduced the temperature of measuring sleeve 3 outer walls fast, and then also reduced the temperature of measuring the photoelectric sensor 62 in the sleeve 3, guaranteed the accuracy of thermometric.Simultaneously, the gas of cooling usefulness also flows in the gaseous purge stream passage by second air intake opening 7: in the cavity 8 between described measurement sleeve 3 and the isolated plant 6, gas purges described slide 9 equably then, having produced one at the front end of described slide 9 is full of and measures sleeve 3 local zone of positive pressure radially, the volatile matter that has stoped external environment and temperature tube 200 at high temperature to produce has effectively avoided described volatile matter to be attached on the slide 9; Gas flows out by gas outlet 11 at last to dirty afterwards.
Length, internal diameter and described temperature tube 200 composition materials of the pressure of the gas of described purging slide 9 and described measurement sleeve 3, dut temperature etc. are relevant, the volatility of temperature tube 200 materials internal diameter high more, that measure sleeve 3 is big more, and the pressure of required sweep gas is just big more; Simultaneously, thus the flow of sweep gas can not be too influence thermometric accuracy greatly.To shown in Figure 4, the flow of the gas of described purging slide 9 is controlled by following manner as Fig. 2: rotate described regulating part 5, make described regulating part 5 parts cover, all cover, not cover described second air intake opening, and then remove to adjust the flow of purge gas.After adjusting to a proper state, screw described fixture 63, make fixture 63 hold out against described additional sleeve 4, and then fixing described regulating part 5.
Embodiment 2:
A kind of optics continuous temperature measurement system, as different from Example 1: as shown in Figure 6, described isolated plant is a hollow structure, and the upper end is that hollow tube, lower end are back-up ring, and the edge of described back-up ring contacts with described measurement sleeve seal; Described air intake opening is arranged on the measurement sleeve between the top and bottom of described isolated plant.
Embodiment 3:
A kind of optics continuous temperature measurement system as different from Example 1, no longer is provided with projection on the described measurement sleeve, but is provided with seal in the inside of regulating part, thereby guarantees the sealing between regulating part and measurement sleeve.
It is pointed out that above-mentioned embodiment should not be construed as the restriction to the utility model protection domain.Key of the present utility model is, the gas that is used to cool off photoelectric sensor is divided into two-way, the cooling air flow passage of leading up to removes to purge the photoelectric sensor in the optical pickup apparatus, optical element in the optical pickup apparatus is removed to purge by the gaseous purge stream passage in another road, make optical element and measure the pollution that light path is avoided temperature tube or the volatile matter that external environment produced, can also control the flow of sweep gas simultaneously.Under the situation that does not break away from the utility model spirit, any type of change that the utility model is made all should fall within the protection domain of the present utility model.
Claims (10)
1, a kind of optics continuous temperature measurement system comprises temperature tube, optical pickup apparatus and signal analysis device, and photoelectric sensor and optical element are installed in the described optical pickup apparatus; It is characterized in that: also be provided with cooling air flow passage and gaseous purge stream passage in the described optical pickup apparatus, cooling is divided into two-way with gas after first air intake opening enters described optical pickup apparatus, remove to cool off described photoelectric sensor, purge described optical element by cooling air flow passage and gaseous purge stream passage respectively.
2, temp measuring system according to claim 1 is characterized in that: described optical pickup apparatus comprises the additional sleeve of measuring sleeve, being installed in measurement sleeve outer rim; Cooling is cooled off described photoelectric sensor after entering the measurement sleeve with gas, and flows out between described measurement sleeve and additional sleeve; Be provided with second air intake opening on the measurement sleeve part in additional sleeve, also be provided with the gas outlet on the described measurement sleeve; Described cooling enters from described second air intake opening with gas and measures in the sleeve, and flows out from described gas outlet.
3, temp measuring system according to claim 2 is characterized in that: also be provided with projection on the measurement sleeve of described second air intake opening, one side; On described measurement sleeve, regulating part is installed also, and when the one end is mobile between the end face of described projection and additional sleeve, can not be covered, partly cover, cover fully described second air intake opening.
4, temp measuring system according to claim 2, it is characterized in that: on described measurement sleeve, regulating part is installed also, and when it moves, can not cover, part covers, cover described second air intake opening fully, on the measurement sleeve of a side of described second air intake opening or on the regulating part seal is installed.
5, temp measuring system according to claim 3 is characterized in that: the seal that cooperates with an end end face of described regulating part is installed on the described projection.
6, temp measuring system according to claim 5 is characterized in that: an end of described regulating part is equipped with the seal that cooperates with the end face that adds sleeve.
7, temp measuring system according to claim 3 is characterized in that: the fixture that cooperates fixing described regulating part with the end face of described additional sleeve also is installed on the described regulating part.
8, temp measuring system according to claim 2, it is characterized in that: in the described measurement sleeve isolated plant is installed also, described isolated plant is a hollow structure, and the edge of top and bottom contacts with described optical pickup apparatus sealing, and the upper end-face edge of described isolated plant has the circle hole; Described second air intake opening is arranged on the measurement sleeve between the top and bottom of described isolated plant.
9, temp measuring system according to claim 2, it is characterized in that: in the described measurement sleeve isolated plant is installed also, described isolated plant is a hollow structure, and the upper end is that hollow tube, lower end are back-up ring, and the edge of described back-up ring contacts with described optical pickup apparatus sealing; Described second air intake opening is arranged on the measurement sleeve between the top and bottom of described isolated plant.
10, temp measuring system according to claim 2 is characterized in that: described cooling gas is gas anhydrous, that nothing is oily, dustless.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201100322U CN201138247Y (en) | 2007-05-31 | 2007-05-31 | Optical continuous temperature measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201100322U CN201138247Y (en) | 2007-05-31 | 2007-05-31 | Optical continuous temperature measurement system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201138247Y true CN201138247Y (en) | 2008-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201100322U Expired - Fee Related CN201138247Y (en) | 2007-05-31 | 2007-05-31 | Optical continuous temperature measurement system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201138247Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112344977A (en) * | 2021-01-08 | 2021-02-09 | 北京中科同志科技股份有限公司 | Sensing and positioning system used in high-temperature furnace chamber |
-
2007
- 2007-05-31 CN CNU2007201100322U patent/CN201138247Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112344977A (en) * | 2021-01-08 | 2021-02-09 | 北京中科同志科技股份有限公司 | Sensing and positioning system used in high-temperature furnace chamber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JUGUANG SCIENCE AND TECHNOLOGY (HANGZHOU) CO., LTD Free format text: FORMER OWNER: WANG JIAN Effective date: 20090605 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090605 Address after: Hangzhou City, Zhejiang Province, Binjiang District Lake Road 760, zip code: 310052 Patentee after: Focused Photonics (Hangzhou) Inc. Address before: Hangzhou City, Zhejiang Province, Binjiang District Lake Road 1180 No. 3 Building 2 floor, zip code: 310052 Patentee before: Wang Jian |
|
| C56 | Change in the name or address of the patentee |
Owner name: FOCUSED PHOTONICS (HANGZHOU), LTD. Free format text: FORMER NAME: JUGUANG SCIENCE AND TECHNOLOGY (HANGZHOU) CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Hangzhou City, Zhejiang province Binjiang District 310052 shore road 760 Patentee after: Focused Photonics (Hangzhou) Inc. Address before: Hangzhou City, Zhejiang province Binjiang District 310052 shore road 760 Patentee before: Juguang Sci. & Tech. (Hangzhou) Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081022 Termination date: 20130531 |