CN202126308U - High-temperature high-vacuum temperature measuring device - Google Patents
High-temperature high-vacuum temperature measuring device Download PDFInfo
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- CN202126308U CN202126308U CN2011201727547U CN201120172754U CN202126308U CN 202126308 U CN202126308 U CN 202126308U CN 2011201727547 U CN2011201727547 U CN 2011201727547U CN 201120172754 U CN201120172754 U CN 201120172754U CN 202126308 U CN202126308 U CN 202126308U
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Abstract
The utility model discloses a high-temperature high-vacuum temperature measuring device for measuring the temperature of a detecting point in a cavity of a device in states of high temperature and high vacuum. The high-temperature high-vacuum temperature measuring device comprises an infrared thermometer, temperature measuring glass and a cold filtration device, wherein the temperature measuring glass is arranged between a cavity and the infrared thermometer, the cold filtration device is arranged between the temperature measuring glass and the cavity, the temperature of the cold filtration device is lower than that of the cavity, and the surface space of the temperature measuring glass is communicated with the cavity through an inner channel of the cold filtration device. Volatile matters generated from internal objects of a device to be measured can reach the surface of the temperature measuring glass through the cold filtration device and are in contact with the inner channel of the cold filtration device so as to quickly change from a gas state into a solid state to be adsorbed on the cold filtration device, finally the number of molecules or atoms of the volatile matters in contact with the surface of the temperature measuring glass is remarkably reduced, so that the accuracy degree of temperature measurement values is increased, and the temperature of the device can be continuously measured; in addition, a system can carry out real-time acquisition and real-time analysis operations on the temperature data and effectively controls the running process of the device.
Description
Technical field
The utility model relates to the device temperature field of measuring technique, particularly high temperature high vacuum temperature measuring equipment.
Background technology
The temperature measurement technology of the equipment of operation is divided into contact temperature-measuring and contactless temperature-measuring at present under the high temperature high vacuum state; Contactless temperature-measuring is divided into a variety of again, and infrared measurement of temperature wherein with its response time advantage such as fast, safe in utilization and long service life be used widely.
Any temperature be higher than absolute zero interior of articles molecule all ceaselessly the motion, this molecular motion meeting make object constantly towards periphery the space send infrared energy, thereby form certain temperature field at body surface.If can effectively absorb the object infrared energy that sends of space towards periphery, so just can accurately measure the temperature of body surface.It is thermometric that infrared thermometer has utilized this principle to carry out exactly; It partly is made up of optical system, photodetector, signal amplifier, signal processor, demonstration output etc.; Wherein, Optical system is used to converge the target infrared energy in its visual field, focuses on the photodetector and changes corresponding electric signal into through the infrared energy that converges, and this electric signal changes the temperature value of measured target again into through the conversion of signal amplifier and signal processor.It is thus clear that, adopt the heating situation that the temperature of the inner object of infrared thermometer measuring equipment can diagnostic device, and then the operation conditions of watch-dog at any time.
Equipment under the high temperature high vacuum state all seals; When at this moment utilizing the temperature of infrared thermometer measuring equipment; Generally will on equipment, install thermometric glass additional, the infrared energy that the device interior object is sent sees through the visual field that thermometric glass could get into infrared thermometer.Yet; Under the high temperature high vacuum state, the temperature of thermometric glass surface is lower than the temperature of device interior object, in this state; After volatile matter that its internal objects produced during equipment operation and the thermometric glass contact; Its temperature can reduce rapidly, be converted into solid-state by gaseous state immediately and be deposited on the surface of thermometric glass, this just cause infrared thermometer can not be in follow-up measurement the infrared energy that given off of absorption equipment internal objects fully; Make the thermometric value decay in time, the thermometric value is inaccurate.Can know through above-mentioned analysis, reduce the molecule of the volatile matter that contacts with the thermometric glass surface or the quantity of atom, be to reduce the effective means of volatile matter in thermometric glass surface sedimentation velocity.
In the existing technology; The volatile matter that controlled valve device of increase can effectively slow down device interior in temperature measuring equipment is in thermometric sedimentation velocity on glass; But because the most of the time valve is in closed condition; Make that the thermometric process can not be continuous,, can not control effectively system so can't gather in real time temperature data, real-time analysis handles.
The volatile matter that how to reduce device interior is the technical matters that those skilled in the art are badly in need of solving in thermometric sedimentation velocity on glass.
The utility model content
The purpose of the utility model provides a kind of high temperature high vacuum temperature measuring equipment that can reduce the volatile matter of device interior in thermometric sedimentation velocity on glass.
To achieve these goals, the utility model provides following technical scheme:
A kind of high temperature high vacuum temperature measuring equipment; Be used to measure the temperature of the inside cavity check point of the equipment that is in the high temperature high vacuum state; Comprise infrared thermometer and be installed in said cavity and said infrared thermometer between thermometric glass; Comprise that also temperature is lower than the cold filtration unit of said cavity, said cold filtration unit is arranged between said thermometric glass and the said cavity, and the space surface of said thermometric glass is communicated with said cavity through the inner passage of said cold filtration unit.
Preferably; Also be provided with the temperature measurer mount pad that is used for fixing said infrared thermometer; Said thermometric glass capsulation is in the space that said temperature measurer mount pad and said cold filtration unit are constituted, and said temperature measurer mount pad is connected through flange with said cold filtration unit.
Preferably, said cold filtration unit comprise cold strainer tube and with said cold strainer tube around outer wall, form toroidal cavity between the two, said cold strainer tube constitutes the inner passage of said cold filtration unit.
Preferably, the said cold strainer tube elongated tubular that is a plurality of fixed connections.
Preferably, the lower end of said outer wall and upper end are provided with cooling medium inlet and heat eliminating medium outlet respectively.
Preferably, said outer wall is connected with said temperature measurer mount pad with said cavity with lower flange through upper flange respectively.
Preferably, said cold filtration unit is the right cylinder that upper surface and lower surface all have flange, and a plurality of elongated orifices of its set inside constitute the inner passage of said cold filtration unit.
Preferably, the outside surface of said cold filtration unit is provided with a plurality of radiating fins.
Preferably, the material of said cold filtration unit is copper, aluminium, iron or steel.
Can find out through technique scheme; The temperature of the cold filtration unit in the utility model is lower than the temperature of the cavity of equipment under test; The inner passage that the volatile matter that the object of the inside cavity of equipment under test produces will pass through cold filtration unit just can reach thermometric glass; And in this course; Volatile matter is difficult to contact with the inner passage of cold filtration unit, thus the molecule of most of volatile matters or atom can contact with cold filtration unit, and rapid by gaseous state be converted into be adsorbed onto after solid-state cold filtration unit on; Have only the volatile matter molecule of only a few or surface and the deposition that atom directly arrives thermometric glass; Just effectively reduce molecular number or atomicity thus, volatile matter is controlled in the scope that does not influence temperature measurement accuracy in thermometric sedimentation velocity on glass, significantly improved the accuracy of thermometric value at the volatile matter of thermometric deposition on glass.
On the other hand, the temperature measuring equipment that the utility model provided can carry out continuous coverage to the temperature of equipment, makes that system can gather temperature data in real time, real-time analysis handles, and then the operational process of equipment is effectively controlled.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The schematic top plan view of a kind of embodiment of high temperature high vacuum temperature measuring equipment that Fig. 1 provides for the utility model;
Fig. 2 is that the A-A of Fig. 1 is to cross-sectional schematic;
The schematic top plan view of the another kind of embodiment of the cold filtration unit that Fig. 3 provides for the utility model;
Fig. 4 is that the B-B of Fig. 3 is to cross-sectional schematic.
Embodiment
The core of the utility model provides a kind of high temperature high vacuum temperature measuring equipment; Can effectively reduce molecular number or atomicity at the volatile matter of the device interior of thermometric deposition on glass; Reduce volatile matter in thermometric sedimentation velocity on glass, significantly improve the accuracy of thermometric value, the temperature of equipment is carried out continuous coverage; Make that system can gather temperature data in real time, real-time analysis handles, and then the operational process of equipment effectively controlled.
In order to make those skilled in the art can better understand the technical scheme that the utility model provides, will combine accompanying drawing and embodiment that the utility model is done further to specify below.
Simultaneously referring to Fig. 1 and Fig. 2, the schematic top plan view of a kind of embodiment of high temperature high vacuum temperature measuring equipment that Fig. 1 provides for the utility model, Fig. 2 is that the A-A of Fig. 1 is to cross-sectional schematic.
In a kind of embodiment, the utility model provides a kind of high temperature high vacuum temperature measuring equipment, is used to measure the temperature of the cavity that is in the equipment under the high temperature high vacuum state.
This device comprises infrared thermometer 2, thermometric glass 3 and cold filtration unit 4; Thermometric glass 3 is installed between cavity 1 and the infrared thermometer 2; Cold filtration unit 4 is arranged between thermometric glass 3 and the cavity 1; Its temperature is lower than the temperature of cavity 1, and the space surface of thermometric glass 3 is communicated with cavity 1 through the inner passage of cold filtration unit 4.
During the equipment under test operation; There is the object that is used to react in its cavity 1; The molecule of these interior of articles since not intermittently athletic meeting constantly towards periphery the space send infrared energy; The thermometric glass 3 that these infrared energies see through in the above-mentioned temperature measuring equipment gets in the visual field of infrared thermometer 2, and infrared thermometer 2 just can obtain the infrared energy conversion back that absorbs the temperature of the cavity 1 of equipment under test.Usually, the object of cavity 1 internal reaction that is in the equipment of high temperature high vacuum state can produce a part of volatile matter, and these volatile matters can deposit behind the upper surface of thermometric glass 3 from cavity 1 internal divergence, and the accuracy of thermometric value is produced harmful effect.And the key of the temperature measuring equipment that the utility model provided just is; The temperature that is arranged at the cold filtration unit 4 between cavity 1 and the thermometric glass 3 is lower than the temperature of cavity 1; Also just be lower than the temperature of the volatile matter that comes out from cavity 1 internal divergence; And these volatile matters are difficult to not contact with cold filtration unit 4 in the process of thermometric glass 3 diffusions; These volatile matters that contact with the lower cold filtration unit 4 of temperature can be converted into solid-state by gaseous state rapidly and be adsorbed on the cold filtration unit 4, and a part of in addition volatile matter that does not contact with cold filtration unit 4 then can directly arrive the upper surface of thermometric glass 3.Obviously, the employing temperature measuring equipment that the utility model provided can reduce the quantity of the molecule or the atom of the volatile matter that contacts with thermometric glass 3, the accuracy that has obviously improved the thermometric value.
In order infrared thermometer 2 and whole temperature measuring equipment to be fixed more conveniently; The utility model also provides temperature measurer mount pad 6; Infrared thermometer 2 is fixedly mounted on the lower end of temperature measurer mount pad 6; 3 in thermometric glass is sealed in the space that temperature measurer mount pad 6 and cold filtration unit 4 constituted, and temperature measurer mount pad 6 and cold filtration unit 4 are connected through flange.
The concrete structure of the cold filtration unit 4 that the utility model provided can have a variety of forms; As long as its temperature is lower than the temperature of cavity 1; And can guarantee that infrared thermometer 2 fully absorbs the infrared energy that object sends in the cavity 1, can realize the purpose of the utility model.Concrete, the utility model provides the embodiment of two kinds of cold filtration units 4.
Continuation is referring to Fig. 1, in a kind of embodiment, cold filtration unit 4 comprise cold strainer tube 41 and with said cold strainer tube 41 around outer wall 42, form toroidal cavity between the two, cold strainer tube 41 constitutes the inner passage of cold filtration unit 4.Outer wall 42 all is fixedly connected with cavity 1, temperature measurer mount pad 6.The volatile matter that diffuses out in the cavity 1 of equipment under test must pass through the upper surface that cold strainer tube 41 could arrive thermometric glass 3, is the key structure of realizing the adsorbing volatilizing thing so temperature is lower than the cold strainer tube 41 of the temperature of cavity 1.More preferably, can cold strainer tube 4 be set to the elongated tubular of a plurality of fixed connections, improve the contact probability of volatile matter and cold strainer tube 41.During concrete the measurement, can in the toroidal cavity that cold strainer tube 41 and outer wall 42 form, place cryogenic substance, the temperature of cold strainer tube 41 is remained in the lower scope.
In order for a long time the temperature of cold strainer tube 41 to be remained on lower temperature; The temperature measuring equipment that the utility model provided is provided with cooling medium inlet 45 and heat eliminating medium outlet 46 respectively in the top and bottom of outer wall 42; The heat eliminating medium of low temperature circulates in cold filtration unit 4 through cooling medium inlet 45 and heat eliminating medium outlet 46; This structure had both guaranteed adsorption efficiency, also helped the practical implementation of cooling procedure.Above-mentioned heat eliminating medium can be a liquid, like water or wet goods, also can be gas, like air etc.
For reliable installation, the convenience of cavity 1 with temperature measuring equipment; Outer wall 42 is connected with temperature measurer mount pad 6 with cavity 1 with lower flange 44 through upper flange 43 respectively; Particularly; Be provided with threaded hole on upper flange 43 and the lower flange 44, and also be provided with accordingly on the upper surface of temperature measurer mount pad 6 with lower flange 44 on the corresponding hole of threaded hole.Adopt this flange arrangement can simplify installation, and help the maintenance of temperature measuring equipment, reduced maintenance cost.
Simultaneously referring to Fig. 3 and Fig. 4, the schematic top plan view of the another kind of embodiment of the cold filtration unit 4 that Fig. 3 provides for the utility model, Fig. 4 is that the B-B of Fig. 3 is to cross-sectional schematic.
In cold filtration unit 4 another kind of embodiments, cold filtration unit 4 is the right cylinder that upper surface and lower surface all have flange, and a plurality of elongated orifices 47 of its set inside constitute the inner passage of said cold filtration unit 4.Above-mentioned cold filtration unit 4 adopts the good materials of thermal conductivity such as copper, aluminium, iron or steel to process; Can lead away by cold filtration unit 4 rapidly with the heat in the volatile matter that elongated orifices 47 contacts; Make volatile matter be converted into and be adsorbed onto on the elongated orifices 47 after solid-state, realized the purpose of the utility model by gaseous state.
Further, the outside surface of cold filtration unit 4 is provided with a plurality of radiating fins, and these radiating fins can be reduced to the temperature of cold filtration unit 4 lower, has significantly improved the adsorption efficiency of cold filtration unit 4.
Can find out through above-mentioned each embodiment; The temperature of the cold filtration unit 4 in the utility model is lower than the temperature of the cavity 1 of equipment under test; The inner passage that the volatile matter that cavity 1 internal objects produces will pass through cold filtration unit 4 just can reach thermometric glass 3, and in this course, volatile matter is difficult to not contact with cold filtration unit 4; So the molecule of most of volatile matters or atom can contact with cold filtration unit 4; And be converted into by gaseous state and be adsorbed onto on the cold filtration unit 4 after solid-state, have only the volatile matter molecule of only a few or surface and the deposition that atom directly arrives thermometric glass 3, just effectively reduce the molecular number or the atomicity of the volatile matter of deposition on thermometric glass 3 thus; The sedimentation velocity of volatile matter on thermometric glass 3 is controlled in the scope that does not influence temperature measurement accuracy, improved the accuracy of thermometric value.
On the other hand, the temperature measuring equipment that the utility model provided can carry out continuous coverage to the temperature of equipment, makes that system can gather temperature data in real time, real-time analysis handles, and then the operational process of equipment is effectively controlled.
More than the high temperature high vacuum temperature measuring equipment that the utility model provided has been carried out detailed introduction.Used concrete example among this paper the principle and the embodiment of the utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (9)
1. high temperature high vacuum temperature measuring equipment; Be used to measure the temperature of the inner check point of cavity (1) of the equipment that is in the high temperature high vacuum state; Comprise infrared thermometer (2) and be installed in said cavity (1) and said infrared thermometer (2) between thermometric glass (3); It is characterized in that; Comprise that also temperature is lower than the cold filtration unit (4) of said cavity (1), said cold filtration unit (4) is arranged between said thermometric glass (3) and the said cavity (1), and the space surface of said thermometric glass (3) is communicated with said cavity (1) through the inner passage of said cold filtration unit (4).
2. according to the described temperature measuring equipment of claim 1; It is characterized in that; Also be provided with the temperature measurer mount pad (6) that is used for fixing said infrared thermometer (2); Said thermometric glass (3) is sealed in the space that said temperature measurer mount pad (6) and said cold filtration unit (4) constituted, and said temperature measurer mount pad (6) is connected through flange with said cold filtration unit (4).
3. according to the described temperature measuring equipment of claim 2; It is characterized in that; Said cold filtration unit (4) comprise cold strainer tube (41) and with said cold strainer tube (41) around outer wall (42), form toroidal cavity between the two, said cold strainer tube (41) constitutes the inner passage of said cold filtration unit (4).
4. according to the described temperature measuring equipment of claim 3, it is characterized in that said cold strainer tube (41) is the elongated tubular of a plurality of fixed connections.
5. according to the described temperature measuring equipment of claim 4, it is characterized in that the lower end of said outer wall (42) and upper end are provided with cooling medium inlet (45) and heat eliminating medium outlet (46) respectively.
6. according to the described temperature measuring equipment of claim 5, it is characterized in that said outer wall (42) is connected with said temperature measurer mount pad (6) with said cavity (1) with lower flange (44) through upper flange (43) respectively.
7. according to the described temperature measuring equipment of claim 2, it is characterized in that said cold filtration unit (4) is the right cylinder that upper surface and lower surface all have flange, a plurality of elongated orifices (47) of its set inside constitute the inner passage of said cold filtration units (4).
8. according to the described temperature measuring equipment of claim 7, it is characterized in that the outside surface of said cold filtration unit (4) is provided with a plurality of radiating fins.
9. according to claim 7 or 8 described temperature measuring equipments, it is characterized in that the material of said cold filtration unit (4) is copper, aluminium, iron or steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201727547U CN202126308U (en) | 2011-05-26 | 2011-05-26 | High-temperature high-vacuum temperature measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201727547U CN202126308U (en) | 2011-05-26 | 2011-05-26 | High-temperature high-vacuum temperature measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN202126308U true CN202126308U (en) | 2012-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201727547U Expired - Lifetime CN202126308U (en) | 2011-05-26 | 2011-05-26 | High-temperature high-vacuum temperature measuring device |
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| Country | Link |
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| CN (1) | CN202126308U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305665A (en) * | 2011-05-26 | 2012-01-04 | 浙江昀丰新能源科技有限公司 | High-temperature high-vacuum temperature measuring device |
-
2011
- 2011-05-26 CN CN2011201727547U patent/CN202126308U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305665A (en) * | 2011-05-26 | 2012-01-04 | 浙江昀丰新能源科技有限公司 | High-temperature high-vacuum temperature measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120125 Effective date of abandoning: 20140108 |
|
| RGAV | Abandon patent right to avoid regrant |