CN202177506U - Constant temperature integrating sphere - Google Patents
Constant temperature integrating sphere Download PDFInfo
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- CN202177506U CN202177506U CN2011203224190U CN201120322419U CN202177506U CN 202177506 U CN202177506 U CN 202177506U CN 2011203224190 U CN2011203224190 U CN 2011203224190U CN 201120322419 U CN201120322419 U CN 201120322419U CN 202177506 U CN202177506 U CN 202177506U
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- integrating sphere
- air
- constant temperature
- refrigerator
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Abstract
Disclosed is a constant temperature integrating sphere, belonging to a photochromic measuring instrument. The temperature control speed inside the current integrating sphere is slow. In the utility model, two hemispheric housings are respectively fixed upon two cover casings, with the housings being closed and opened together with the cover casings; the housings are provided with air-flow exchanging holes communicating the internal spherical space with the external space; the external space is provided with a heater and a refrigerator while the internal spherical space is provided with a lamp bracket and a temperature sensor; and the cover casings are provided with a temperature controller. The housings and the cover casings are jointed to form an internal spherical space and an external space which are communicated via the air-flow exchanging holes and isolated from the external air, thereby forming a double-chamber body having cyclic convection. When the heater and the refrigerator are utilized to carry out temperature adjustment, the cyclic convection can be formed between the internal spherical space and the external space, thereby rapidly adjusting the temperature to improve the testing efficiency and testing stability and precision.
Description
Technical field
The utility model belongs to the chroma and luminance measurement instrument, specifically is a kind of constant temperature integrating sphere.
Background technology
Common integrating sphere commonly used at present is because sealing in the ball; After measuring for a long time; Temperature constantly rises in the integrating sphere; And the operating characteristic and the parameter of test light fixture can change with the rising of working temperature in the integrating sphere, and especially precision detection device and LED light fixture can be with the surrounding working environment Influence of Temperature, so can effectively improve measurement stability and accuracy to temperature control in the integrating sphere.
The temperature control integrating sphere has following several kinds of modes at present: first kind is the heating line to be set give ball wall heating passing through again heat-conduction effect on the integrating sphere outer wall; Make temperature rising in the whole ball; This way does not have cooling system can not well play the temperature control effect, and temperature rises inhomogeneous and the interior slow characteristics of firing rate of ball in the ball.Second kind is to realize in the ball and the outside air convection current through ventilating system; Keep constant temperature in the integrating sphere; This way can make the interior temperature of integrating sphere even inadequately, thereby because it is can influence temperature controlling speed in the ball with the outside air convection current because spheroid is exposed in the outside air.The third is the measuring equipments such as power meter that spectrometer temperature control chamber and integrating sphere and power supply and electrical quantity are set in a closure; It will have this way and will or also will control part measuring equipment working temperature temperature control in the integrating sphere the control of spectrometer temperature control chamber working temperature, thereby makes that temperature system is complicated and influence temperature controlling speed in the ball.
The utility model content
The technical matters that the utility model will solve and the technical assignment of proposition are to overcome the slow defective of temperature control rate in the existing integrating sphere, provide a kind of and can fast adjustment in the integrating sphere be arrived the constant temperature integrating sphere of design temperature so that improve testing efficiency and measuring stability and accuracy.
For achieving the above object; The technical scheme that the utility model adopts is: constant temperature integrating sphere; Comprise that two can dock the hemispherical housing that forms inner spherical space; It is characterized in that: described two hemispherical housings are separately fixed on two cases and the butt joint and between described housing and case, form the outer space when two hemispherical housings butt joints form spherical space, said inside of these two cases; Described housing is provided with at least two air-flow exchange holes that are positioned at differing heights that are communicated with spherical space, said inside and outer space; In described outer space, establish to the well heater of all or part of air-flow exchange hole heat supply that is positioned at lower position with to the refrigerator of all or part of air-flow exchange hole cooling that is positioned at the higher position; Spherical space, described inside is provided with lamp bracket and temperature sensor, but the temperature controller that temperature that more said design temperature and said temperature sensor find out is controlled said well heater and refrigerator that passes through of external design temperature is installed on the described case.
As the optimization technique measure: described well heater is positioned at low level, and described refrigerator is positioned at a high position.The inwall of said case is covered with heat-insulation layer.The outside of said case is provided with auxiliary lamp interface and exterior light receiving port.The docking site of the docking site of said two hemispherical housings and two cases is equipped with seal.Described well heater is installed at the air-flow exchange hole place of at least one described lower position; Further; The air-flow exchange hole of at least one described higher position connects described refrigerator through insulating tube, and described refrigerator has the cold outlet that is positioned at said outer space.The front end of said insulating tube is provided with unidirectional control stream plate.The inner port place of said air-flow exchange hole establishes the wind deflector that is in the light.
The beneficial effect of the utility model is: housing can be with the case folding; Be convenient to the tested light fixture of dismounting; When the butt joint of housing and case, form the spherical space, inside and the outer space that isolate with outside air that are communicated with through the air-flow exchange hole; Can make inner spherical space and outer space circulative convection through well heater, when refrigerator carries out adjustment, the quick adjustment temperature is so that improve testing efficiency and measuring stability and accuracy.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model;
Fig. 2 is that A-A among Fig. 1 is to cut-open view;
Fig. 3 is the synoptic diagram of the another kind of duty of structure shown in Figure 1;
Fig. 4 is that B-B among Fig. 3 is to cut-open view;
Fig. 5 is the external front face synoptic diagram of structure shown in Figure 1;
Label declaration among the figure: 1-case, 2-housing, 3-heat-insulation layer, 4-lamp bracket, the seal on the 5-housing; Seal on the 6-case, 7-auxiliary lamp interface, 8-air-flow exchange hole, the 9-wind deflector that is in the light, the 10-well heater; The 11-temperature sensor, 12-exterior light receiving port, 13-outer space, the inner spherical space of 14-; The unidirectional control stream of 15-plate, 16-refrigerator, 17-insulating tube, 18-temperature controller.
Embodiment
Below in conjunction with Figure of description the utility model is further specified.
The constant temperature integrating sphere of the utility model; Like Fig. 1, shown in 2; It comprises that two can dock the hemispherical housing 2 that forms inner spherical space 14; Two hemispherical housings 2 are separately fixed on two cases 1 and these two cases 1 also are docking together when two hemispherical housings 2 butt joints form inner spherical space 14; Make that two housings 2 can be with two case 1 foldings; Thereby when butt joint, form outer space 13 between housing 2 and the case 1; Housing 2 is provided with at least two air-flow exchange holes 8 that are positioned at differing heights that are communicated with inner spherical space 14 and outer space 13; In outer space 13, establish to the well heater 10 of all or part of air-flow exchange hole heat supply that is positioned at lower position with to the refrigerator 16 of all or part of air-flow exchange hole cooling that is positioned at the higher position, inner spherical space 14 is provided with lamp bracket 4 and temperature sensor 11, be equipped with on the case 1 external (for easy to use) but design temperature pass through the temperature control heater 10 that relatively design temperature and temperature sensor find out and the temperature controller 18 (referring to Fig. 5) of refrigerator 16.This constant temperature integrating sphere;, housing 2 forms when docking with case 1 through air-flow exchange hole 8 spherical spaces 14, inside and the outer spaces 13 that isolate with outside air that be communicated with; Form a circulative convection dual chamber; Can make inner spherical space 14 and outer space 13 circulative convections when carrying out adjustment through well heater 10, refrigerator 16, the quick adjustment temperature is so that improve testing efficiency and measuring stability and accuracy.
During this constant temperature integrating sphere heating; A well heater is directly installed on and directly gives 14 heating of inner spherical space on the air-flow exchange hole below the housing; Thermal current is flow in the outer space 13 by the spherical internally space 14 of other air-flow exchange hole, and the air-flow in the outer space 13 is sent back in the inner spherical space 14 by heater heats once more again; For heating sooner, described air-flow exchange hole can be made as a plurality of (as four or more), and well heater is more than two, and remaining well heater is located in the outer space and heats to the outer space, thereby reaches the heating of two-chamber circulative convection.
During this constant temperature integrating sphere cooling; Refrigerator directly gives inner spherical space 14 refrigeration from the air-flow exchange hole of housing 2 tops in cold air through insulating tube 17; Air-flow by the spherical internally space 14 of air-flow exchange hole of housing below in outer space 13; Air-flow sends back to inner spherical space 14 by the refrigerator refrigeration once more again in the outer space 13, and refrigerator also can freeze to the outer space simultaneously, thereby reaches two-chamber circulative convection refrigeration.
As further improving and replenishing to technique scheme; The utility model also comprises following additional technical characterictic; Though diagram has comprised in following all additional technical features; Be the preferred embodiment of the utility model, but the utility model is not limited to this situation, when implementing the utility model, they is selected for use on the described technical scheme of epimere according to specifically acting on.
At first, well heater 10 is positioned at low level, and refrigerator 16 is positioned at a high position, reduces to take up room and be beneficial to air current flow.
Secondly, for guaranteeing with the isolated of outside air and reach good heat insulating ability that the inwall of case 1 is covered with heat-insulation layer 3.
The 3rd, for making the easy to use of client, the outside of case 1 is provided with auxiliary lamp interface 7 and exterior light receiving port 12.
The 4th, for effectively preventing the light leak of housing 2 after assurance two housings 2 closures, the docking site of the docking site of two hemispherical housings and two cases is equipped with seal 5,6.As realizing that as seal the light sealing makes housing form a complete light sealed spheroid with felt or cotton pad in the docking site of housing 2, the docking site of case paste rubber strip be seal realize aeroseal and and isolate from outer air.
The 5th, well heater is installed at the air-flow exchange hole place of at least one lower position.
The 6th, the air-flow exchange hole of at least one higher position connects refrigerator through insulating tube, and refrigerator has the cold outlet that is positioned at the outer space.Further, the front end of insulating tube 17 is provided with unidirectional control stream plate 15, thereby avoids in the heating process thermal current to the influence of refrigerator.
The 7th, the inner port place of air-flow exchange hole establishes the wind deflector 9 that is in the light, and air-flow can evenly be flowed along the ball wall, rather than directly blow to the test light fixture.
Specify the principle of work of the utility model below.
Supply power to integrating sphere earlier, set working temperature through the guidance panel of temperature controller 18 again, open temperature control work, the actual temperature and the design temperature of monitoring inner spherical space through temperature sensor in the housing 2 11 compare.When the actual monitoring temperature is lower than the setting working temperature; Referring to Fig. 3, Fig. 4 (flow direction of the direction indication air-flow of arrow among the figure); Well heater on the startup installation air-flow exchange hole 8 and one or several well heater work in the outer space 13; Well heater on the air-flow exchange hole is directly given 14 heating of inner spherical space; Again by sphere wind deflector 9 shunting of being in the light; Thermal current can evenly be spread along the ball wall reach evenly heating in the ball; Thermal current can be from the air-flow exchange hole of housing 2 tops to refrigerator 16 the air-out interface again to outer space 13, (because of the pressure effect meeting of thermal current in the spherical space 14, inside is closed the unidirectional control stream plate 15 on the refrigerator 16, thermal current can be fully being flow to the outer space 13 from the air-out interface of refrigerator 16, also protected the influence of hot gas simultaneously) to refrigerator 16; Thermal current also can be through other spherical internally space 14 of one or several air-flow exchange hole in outer space 13 in addition; Thermal current in the outer space 13 is sent back in the inner spherical space 14 by well heater 10 heating once more again, one or several well heater meanwhile also is installed in the outer space gives outer space air heating, and this circulative convection dual chamber type of heating has improved the efficiency of heating surface of temperature control integrating sphere greatly.When actual monitoring temperature in the ball is higher than the setting working temperature; Referring to Fig. 1, Fig. 2 (flow direction of the direction indication air-flow of arrow among the figure); Start refrigerator 16 work; Under the cold air pressure of refrigerator 16, can the unidirectional control stream plate 15 on the refrigerator 16 be opened; The cold air of refrigerator 16 is sent in the inner spherical space 14 through the air-flow exchange hole of insulating tube 17 by housing 2 tops, again by sphere wind deflector 9 shunting of being in the light, make cold air can along the ball wall evenly diffusion reach in the ball evenly refrigeration; Cold air can be through housing 2 belows the air-flow exchange hole that well heater 10 is housed and other spherical internally space 14 of one or several air-flow exchange hole 8 in outer space 13; Cold air in the outer space 13 is sent back in the inner spherical space 14 by refrigerator 16 refrigeration once more again, meanwhile on refrigerator 16, also has two interfaces directly to give outer space 13 coolings, and this circulative convection dual chamber refrigeration modes has improved the refrigerating efficiency of temperature control integrating sphere greatly.After this dual chamber structure is added and is covered with heat-insulation layer 3 (environment-friendly insulating material) on case 1 inwall that wraps up housing, improved the quick temperature control and the heat insulation function of quick temperature control integrating sphere.
Claims (9)
1. constant temperature integrating sphere; Comprise that two can dock the hemispherical housing (2) that forms inner spherical space (14); It is characterized in that: described two hemispherical housings (2) are separately fixed at that two cases (1) are gone up and the butt joint and between described housing (2) and case (1), form outer space (13) when two hemispherical housings (2) butt joint forms spherical spaces, said inside (14) of these two cases (1); Described housing (2) is provided with at least two air-flow exchange holes (8) that are positioned at differing heights that are communicated with spherical space, said inside (14) and outer space (13); In described outer space (13), establish to the well heater (10) of all or part of air-flow exchange hole heat supply that is positioned at lower position with to the refrigerator (16) of all or part of air-flow exchange hole cooling that is positioned at the higher position; Spherical space, described inside (14) is provided with lamp bracket (4) and temperature sensor (11), described case (1) but on the temperature controller (18) that temperature that more said design temperature and said temperature sensor (11) find out is controlled said well heater (10) and refrigerator (16) that passes through of external design temperature is installed.
2. constant temperature integrating sphere according to claim 1 is characterized in that: described well heater (10) is positioned at low level, and described refrigerator (16) is positioned at a high position.
3. constant temperature integrating sphere according to claim 1 is characterized in that: the inwall of said case (1) is covered with heat-insulation layer (3).
4. constant temperature integrating sphere according to claim 1 is characterized in that: the outside of said case (1) is provided with auxiliary lamp interface (7) and exterior light receiving port (12).
5. constant temperature integrating sphere according to claim 1 is characterized in that: the docking site of the docking site of said two hemispherical housings (2) and two cases (1) is equipped with seal (5,6).
6. constant temperature integrating sphere according to claim 1 is characterized in that: described well heater is installed at the air-flow exchange hole place of at least one described lower position.
7. constant temperature integrating sphere according to claim 1; It is characterized in that: the air-flow exchange hole of at least one described higher position connects described refrigerator (16) through insulating tube (17), and described refrigerator has the cold outlet that is positioned at said outer space.
8. constant temperature integrating sphere according to claim 7 is characterized in that: the front end of said insulating tube (17) is provided with unidirectional control stream plate (15).
9. constant temperature integrating sphere according to claim 1 is characterized in that: the inner port place of said air-flow exchange hole establishes the wind deflector that is in the light (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203224190U CN202177506U (en) | 2011-08-30 | 2011-08-30 | Constant temperature integrating sphere |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203224190U CN202177506U (en) | 2011-08-30 | 2011-08-30 | Constant temperature integrating sphere |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202177506U true CN202177506U (en) | 2012-03-28 |
Family
ID=45867381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203224190U Ceased CN202177506U (en) | 2011-08-30 | 2011-08-30 | Constant temperature integrating sphere |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202177506U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103268128A (en) * | 2013-04-15 | 2013-08-28 | 上海理工大学 | Microenvironment temperature control system based on singlechip |
| TWI560432B (en) * | 2015-12-31 | 2016-12-01 | Mpi Corp | Integrating sphere cover and integrating sphere module |
| CN106872372A (en) * | 2017-03-17 | 2017-06-20 | 广西电网有限责任公司电力科学研究院 | A kind of constant-temperature integrating sphere device for gas analysis |
-
2011
- 2011-08-30 CN CN2011203224190U patent/CN202177506U/en not_active Ceased
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103268128A (en) * | 2013-04-15 | 2013-08-28 | 上海理工大学 | Microenvironment temperature control system based on singlechip |
| TWI560432B (en) * | 2015-12-31 | 2016-12-01 | Mpi Corp | Integrating sphere cover and integrating sphere module |
| US20170191867A1 (en) * | 2015-12-31 | 2017-07-06 | Mpi Corporation | Integrating sphere cover and integrating sphere module |
| CN106872372A (en) * | 2017-03-17 | 2017-06-20 | 广西电网有限责任公司电力科学研究院 | A kind of constant-temperature integrating sphere device for gas analysis |
| CN106872372B (en) * | 2017-03-17 | 2023-11-17 | 广西电网有限责任公司电力科学研究院 | Constant temperature integrating sphere device for gas analysis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C32 | Full or partial invalidation of patent right | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20140818 Decision number of declaring invalidation: 23600 Granted publication date: 20120328 |