KR100959504B1 - Integrating sphere with temperature control system - Google Patents

Integrating sphere with temperature control system Download PDF

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Publication number
KR100959504B1
KR100959504B1 KR1020100016288A KR20100016288A KR100959504B1 KR 100959504 B1 KR100959504 B1 KR 100959504B1 KR 1020100016288 A KR1020100016288 A KR 1020100016288A KR 20100016288 A KR20100016288 A KR 20100016288A KR 100959504 B1 KR100959504 B1 KR 100959504B1
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KR
South Korea
Prior art keywords
main body
integrating sphere
temperature
light source
heat
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KR1020100016288A
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Korean (ko)
Inventor
권석준
Original Assignee
주식회사 파이맥스
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/0252—Constructional arrangements for compensating for fluctuations caused by, e.g. temperature, or using cooling or temperature stabilization of parts of the device; Controlling the atmosphere inside a photometer; Purge systems, cleaning devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • G01J3/0254—Spectrometers, other than colorimeters, making use of an integrating sphere
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/06—Arrangements for eliminating effects of disturbing radiation; Arrangements for compensating changes in sensitivity
    • G01J5/061—Arrangements for eliminating effects of disturbing radiation; Arrangements for compensating changes in sensitivity by controlling the temperature of the apparatus or parts thereof, e.g. using cooling means or thermostats

Abstract

The present invention has been made to solve the above problems, more specifically, the hollow spherical body; A light source support having one end fixedly coupled to an upper inner side of the main body and the other end positioned at an inner central part of the main body; A light source installed at the other end of the light source support to emit light to the inner side of the main body; A temperature sensor installed at one side of the light source support to sense a temperature of an inner side of the main body; A pair of integrating sphere temperature controllers respectively installed opposite to the lower end of the inner part of the main body and controlling the inner temperature of the main body by heating or cooling air in the inner part of the main body according to the inner temperature of the main body detected by the temperature sensor; And an integrating sphere temperature control unit which is installed to face the lower end of the inner side of the main body and controls the flow of heated or cooled air through the integrating sphere temperature adjusting unit. It is done.
According to the present invention as described above, by installing a temperature control means and a ventilation device in the interior of the integrating sphere made to insulate the outer surface using a heat insulator, the light source is made to change the temperature inside the integrating sphere effectively according to the ambient temperature The optical characteristics can be observed in detail, and the integrating sphere temperature control unit installed inside the integrating sphere can form a heating device and a cooling device, respectively, to effectively raise or lower the integrating sphere internal temperature above the ambient atmospheric temperature. There is an effect that can be maintained at a constant temperature by using a temperature sensor.

Description

Integrating sphere with temperature control system

The present invention relates to an integrating sphere used for measuring the luminous flux of a light source, and more particularly, to a temperature control function having a device capable of adjusting the temperature in the integrating sphere to measure a change in characteristics of the ambient temperature of the light source. It is related to the integrating sphere with.

Integral spheres are generally used to measure the luminous flux of a light source. The integrating sphere is a hollow instrument coated with a material with a high reflectance inside, and a lamp is installed in the center of the interior. The integrating sphere makes an average light by using diffuse reflection using the inner sphere, and then uses an optical sensor installed in the integrating sphere Measure the total light energy.

Since the light emitted from the light source repeats numerous diffuse reflections on the sphere inside the integrating sphere, ultimately the intensity of light at all points of the integrating sphere sphere becomes uniform, and the total light energy of the light source installed inside the integrating sphere is integrated. It is equal to the energy of light on the whole sphere.

Therefore, when the optical sensor is installed on a part of the sphere of the integrating sphere and the signal for the exposed area of the optical sensor is measured, the total energy of the light source can be calculated from the proportional relationship between the area of the optical sensor and the total area of the sphere.

Recently, various lighting and signal lamps using LEDs have been developed and actively applied in various fields.In order to operate various lamps using LEDs in optimal conditions, the optical characteristics of the lamps for the operating conditions of the lamps such as temperature are used. Research is needed.

Appliances using high-brightness LEDs generate a lot of heat when emitting light, and the brightness of the LEDs varies sensitively with the luminaire or ambient temperature. Therefore, in general, in order to prevent performance degradation due to rapid temperature rise of the LED, the heat sink is attached to operate.

In order to measure the brightness change or the optical characteristic change according to the temperature change of the LED, an integrating sphere that can measure the lamp performance while changing the LED and the ambient temperature is necessary.

However, the optical characteristics of the light sources vary greatly with the temperature change in all kinds of light sources. In particular, when the temperature is low, the degradation of the light source is significantly weakened.

Therefore, in order to maximize the performance of the light source at various temperatures, it is necessary to study the effects of high temperature as well as low temperature.

The present invention has been made to solve the above problems, more specifically, the hollow spherical body; A light source support having one end fixedly coupled to an upper inner side of the main body and the other end positioned at an inner central part of the main body; A light source installed at the other end of the light source support to emit light to the inner side of the main body; A temperature sensor installed at one side of the light source support to sense a temperature of an inner side of the main body; A pair of integrating sphere temperature controllers respectively installed opposite to the lower end of the inner part of the main body and controlling the inner temperature of the main body by heating or cooling air in the inner part of the main body according to the inner temperature of the main body detected by the temperature sensor; And an integrating sphere temperature control unit which is installed to face the lower end of the inner side of the main body and controls the flow of heated or cooled air through the integrating sphere temperature adjusting unit. It is done.

Integrating sphere having a temperature control function of the present invention for achieving the above object, the hollow spherical body; A light source support having one end fixedly coupled to an upper inner side of the main body and the other end positioned at an inner central part of the main body; The light source installed at the other end of the light source support to radiate light to an inner side of the main body; A temperature sensor installed at one side of the light source support to sense an inner temperature of the main body; A pair of integrating spheres respectively installed opposite to the lower end of the inner part of the main body and controlling the inner temperature of the main body by heating or cooling the air in the inner part of the main body according to the inner temperature of the main body detected by the temperature sensor; Temperature control unit; And an integrating sphere temperature controller for controlling the flow of air heated or cooled through the integrating sphere temperature adjusting unit, respectively installed opposite to the lower end of the inner portion of the main body.

In addition, the present invention is further provided at the end of the light source support, the light source temperature control unit for controlling the temperature of the light source to control the change in the optical characteristics of the light source; An optical sensor installed at a central portion of an inner side of the main body to detect a change in optical characteristics of the light source; And an optical sensor disposed in the center of the inner surface of the main body to block the light of the light source from being directly emitted to the optical sensor.

In addition, the present invention is provided with an auxiliary light source provided in the central portion of the inner surface of the main body facing the optical sensor, to provide an auxiliary light for controlling the change in the optical characteristics of the light source; And an auxiliary light source disposed on a central portion of the inner side of the main body to block the auxiliary light of the auxiliary light source from being directly emitted to the inner part of the main body.

In this case, the first integrating sphere temperature control unit of the integrating sphere temperature control unit, the thermoelectric element consisting of a heat absorbing portion for absorbing heat and heat dissipation; A heat dissipation plate installed adjacent to the heat generation unit and transferring heat of the heat generation unit to air in the inner part of the main body; An endothermic heat dissipation plate disposed adjacent to the endothermic portion and cooling air around the outer portion of the main body through the endothermic portion; And an air circulator installed adjacent to the heat generating heat sink to circulate the heated air in the inner portion of the main body.

The second integrating sphere temperature adjusting unit may include a thermoelectric element including an endothermic portion for absorbing heat and a heat generating portion for dissipating heat; A heat dissipation plate installed adjacent to the heat generation unit and transferring heat of the heat generation unit to air around the outer side of the main body; An endothermic heat sink installed adjacent to the endothermic portion and cooling air in the inner portion of the main body through the endothermic portion; And an air circulator installed adjacent to the endothermic heat sink to circulate the cooled air in the inner portion of the main body.

In addition, the first integral sphere temperature control unit of the integrating sphere temperature control unit, a liquid heating device for heating a liquid circulating in the radiator; The radiator is formed in the form of a spiral metal tube, the radiator for heating the air in the inner portion of the body through a heated liquid circulating therein; And an air circulator installed adjacent to the radiator to circulate the heated air in the inner portion of the main body.

In addition, the second integrating sphere temperature control unit of the integrating sphere temperature control unit, the liquid cooling device for cooling the liquid circulating in the radiator; The radiator is formed in the form of a spiral metal tube, for cooling the air in the inner portion of the body through a liquid circulating therein; And an air circulator installed adjacent to the radiator to circulate the cooled air at the inner side of the main body.

Furthermore, the present invention is characterized in that it further comprises a heat insulating material for tightly wrapping the outer portion of the main body, preventing the heat energy in the inner portion of the main body to flow out to the outer portion of the main body.

According to the present invention as described above, by installing a temperature control means and a ventilation device in the interior of the integrating sphere made to insulate the outer surface by using a heat insulator, the light source is made to change the temperature inside the integrating sphere effectively according to the ambient temperature The optical characteristics can be observed in detail, and the integrating sphere temperature control unit installed inside the integrating sphere can form a heating device and a cooling device, respectively, to effectively raise or lower the integrating sphere internal temperature above the ambient atmospheric temperature. There is an effect that can be maintained at a constant temperature by using a temperature sensor.

1 is a cross-sectional view of an integrating sphere having a temperature control function according to an embodiment of the present invention.
Figure 2 is a cross-sectional view showing an embodiment of the integrating sphere temperature control unit according to the integrating sphere having a temperature control function of an embodiment of the present invention.
Figure 3 is a cross-sectional view showing another embodiment of the integrating sphere temperature control unit according to the integrating sphere having a temperature control function of an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings such that those skilled in the art may easily implement the present invention.

An integrating sphere capable of adjusting the temperature in the integrating sphere in order to measure a characteristic change with respect to the ambient temperature change of the light source 4, the integrating sphere comprising: a hollow spherical body 2; A light source support (6) having one end fixedly coupled to an upper inner side of the main body (2) and the other end positioned at an inner central portion of the main body (2); A light source (4) installed at the other end of the light source support (6) and emitting light to an inner side of the main body (2); A temperature sensor (8) installed at one side of the light source support (6) to sense an inside temperature of the main body (2); Respectively installed opposite the lower end of the inner part of the main body 2, and according to the temperature of the inner part of the main body 2 detected by the temperature sensor 8, the air in the inner part of the main body is heated or cooled to form the inner part of the main body; A pair of integrating sphere temperature controller 20 for controlling the temperature; And an integrating sphere temperature adjusting unit (21) installed to face the lower end of the inner portion of the main body (2) and controlling the flow of air heated or cooled through the integrating sphere temperature adjusting unit (20). It is characterized by.

As illustrated in FIG. 1, the main body 2 may have a hollow spherical shape, and a through hole for installing the optical sensor 10 and the auxiliary light source 16 may be formed at the center portion.

The main body 2 is preferably made of two hemispheres so that the light source 4 can be easily installed therein, and in use, the two hemispheres are attached to one so that even reflection is generated from the inside.

Since the inner part of the main body 2 formed in the hollow shape is evenly coated with a material having a high reflectance, it is preferable that the light emitted from the light source 4 is manufactured so that the diffuse reflection occurs easily in the inner part of the main body 2. .

One end of the light source support 6 is fixedly coupled to the upper part of the inner part of the main body 2, and the other end thereof is positioned at the center of the inner part of the main body 2.

The light source 4 is installed at the other end of the light source support 6 to be positioned at the inner center of the main body to emit light of the inner part of the main body 2.

The temperature sensor 8 is installed on one side of the light source support 6 to sense the temperature of the inner side of the main body 2, and information about the detected inner side temperature while being electrically connected to the integrating sphere temperature control unit 20. Is applied to the integrating sphere temperature control unit 20.

The integrating sphere temperature controller 20 is installed at opposite positions of the inner lower end of the main body 2, respectively, in pairs to control the inner temperature of the main body according to the inner temperature sensed by the temperature sensor 8. It may be provided.

The integrating sphere temperature adjusting unit 20 controls the inside temperature of the main body according to the information on the inside temperature of the main body 2 applied by the temperature sensor 8.

Through this, the integrating sphere temperature control unit 20 may adjust the inner temperature of the main body 2 at the lower end of the inner side of the main body 2, and forcedly circulate the cooled or heated air at the inner side of the main body 2.

Integrating sphere according to the present invention has the advantage that the integrating sphere temperature control unit 20 is installed inside the integrating sphere to minimize the loss of energy to more effectively achieve the temperature inside the integrating sphere. In addition, since the air inside the integrating sphere does not cause unnecessary exchange with the outside, air contamination inside the integrating sphere may be minimized.

The integrating sphere temperature adjusting unit 21 is installed at opposite positions of the inner lower end of the main body 2 to control the flow of the air flowing through the integrating sphere temperature adjusting unit 20.

That is, the integrating sphere temperature control unit 21 installed in front of the integrating sphere temperature control unit 20 at both ends of the integrating sphere is an air sensor heated or cooled by the integrating sphere temperature adjusting unit 20 directly. ) And the direction of the internal air circulation well in a state where there is no direct contact with the light source (4).

The present invention is further provided at the end of the light source support (6), the light source temperature control unit 14 for controlling the temperature of the light source (4) to control the change in the optical characteristics of the light source (4); An optical sensor (10) installed at a central portion of the inner surface of the main body to sense a change in optical characteristics of the light source (4); And an optical sensor cover 12 installed at a central portion of the inner surface of the main body to block the light emitted from the light source 4 directly from the optical sensor 10.

The light source temperature controller 14 includes a thermoelectric element, and directly converts the temperature of the light source 4 to control the optical characteristic change of the light source 4.

An optical sensor baffle 12 installed in front of the optical sensor 10 of the integrating sphere shown in FIG. 1 may block light of the light source 4 from directly entering the optical sensor 10.

In addition, the present invention is provided in the central portion of the inner surface of the main body 2 to face the optical sensor 10, the auxiliary light source 16 for providing an auxiliary light for controlling the change in the optical characteristics of the light source (4) ); And an auxiliary light source screener 18 installed at a central portion of the inner side of the main body to block the auxiliary light of the auxiliary light source 16 from being directly emitted to the inner side of the main body 2.

The optical characteristic of the light source 4 is measured by the optical sensor 10, and if necessary, the auxiliary light source 16 can be installed and used therein.

An auxiliary light source baffle 18 installed in front of the auxiliary light source 16 of the integrating sphere shown in FIG. 1 may prevent the light of the auxiliary light source 16 from directly entering the integrating sphere.

Hereinafter, an embodiment of the integrating sphere temperature control unit 20 according to the present invention will be described.

Any one of the integrating sphere temperature control unit 20 according to the present invention, the thermoelectric element consisting of a heat absorbing portion for absorbing heat and heat dissipation; And a heat dissipation plate installed adjacent to the heat generating unit and transferring heat of the heat generating unit to air in the inner part of the main body 2; Or a heat absorbing heat sink disposed adjacent to the heat absorbing portion and cooling the air in the inner portion of the main body 2 through the heat absorbing portion; And an air circulation device installed adjacent to the heat generating heat sink or the heat absorbing heat sink to circulate the corresponding heated air or cooled air at the inner side of the main body 2.

The integrating sphere temperature control unit 20 may include a thermoelectric element (peltier) 20 that is small in size and easy to use when the size of the integrating sphere according to the present invention is small.

The integrating sphere according to the present invention is characterized in that a heating device for raising the inner temperature of the main body 2 and a cooling device for lowering the internal temperature are separately provided, respectively, the first of the pair of integrating sphere temperature adjusting units 20. When the integrating sphere temperature control unit 20a functions as the heating device, the second integrating sphere temperature control unit 20b, which is the other of the pair of integrating sphere temperature control units 20, functions as the cooling device. Will perform.

 Furthermore, the integrating sphere according to the present invention has a heating device for raising the internal temperature and a cooling device for lowering the internal temperature can be installed inside, respectively, there is an advantage that can effectively control the internal temperature of the integrating sphere.

As shown in FIG. 1, the first integrating sphere temperature adjusting unit 20a and the second integrating sphere temperature adjusting unit 20b may be installed at opposite positions of the inner lower end of the main body 2, respectively. Furthermore, although not shown, the installation positions of the first integrating sphere temperature adjusting unit and the second integrating sphere temperature adjusting unit may be changed.

A first integrating sphere temperature control unit 20a which is a heating apparatus according to an embodiment of the integrating sphere temperature adjusting unit 20 according to the present invention will be described.

The first integrating sphere temperature adjusting unit 20a of the integrating sphere temperature adjusting unit 20 includes a thermoelectric element 22 including an endothermic portion for absorbing heat and a heat generating portion for dissipating heat; A heat dissipation plate 24 disposed adjacent to the heat generation unit and transferring heat of the heat generation unit to air in the inner part of the main body 2; A heat absorbing heat sink (26) installed adjacent to the heat absorbing portion and cooling the air around the outer portion of the main body (2) through the heat absorbing portion; And an air circulation device (28a) installed adjacent to the heat generating heat sink (24) to circulate the heated air at the inner side of the main body (2).

The first integrating sphere temperature adjusting unit 20a may be installed at the lower left inner side of the main body 2 to raise the inner temperature of the main body 2.

In this case, the thermoelectric element 22 may exchange heat with air in the inner portion of the main body 2 through an endothermic or heat generating heat sink.

The thermoelectric element 22 is formed of a ceramic element having a heat absorbing portion for absorbing heat and a heat generating portion for dissipating heat, and is used for a small integrating sphere temperature control unit 20 having a small size and convenient use, and a small heat capacity. It is preferable to be.

The heat generating portion of the thermoelectric element 22 emits heat when an external current is applied, and the heat absorbing portion of the thermoelectric element 22 absorbs heat.

As shown in FIG. 2, the heat generating heat sink 24 is disposed adjacent to the heat generating part and installed inside the main body 2 to transfer heat of the heat generating part to the air in the inner part of the main body 2.

The heat absorbing heat sink 26 is disposed adjacent to the heat absorbing portion and installed at an outer portion of the main body 2 to cool the air around the outer portion of the main body 2 through the heat absorbing portion.

An air circulating device 28a is provided with a blowing fan and is installed adjacent to the heat generating heat sink 24 to circulate the heated air inside the main body 2. Through this, the air in the inner portion of the main body 2 can be kept constant in a heated state.

Next, a description will be given of the second integrating sphere temperature control unit 20b which is a cooling device according to an embodiment of the integrating sphere temperature adjusting unit 20 according to the present invention.

The second integrating sphere temperature adjusting unit 20b of the integrating sphere temperature adjusting unit 20 may include a thermoelectric element including an endothermic unit for absorbing heat and a heat generating unit for dissipating heat; A heat dissipation plate installed adjacent to the heat generation unit and transferring heat of the heat generation unit to air around the outer side of the main body 2; A heat absorbing heat sink disposed adjacent to the heat absorbing portion and cooling air in the inner portion of the main body 2 through the heat absorbing portion; And an air circulator installed adjacent to the endothermic heat sink to circulate the cooled air at the inner side of the main body 2.

The optical characteristic change of the light source is important even when the temperature is lower than room temperature, such as when the temperature of the light source is higher than room temperature. To this end, the present invention can enhance the function of lowering the temperature inside the integrating sphere through the second integrating sphere temperature control unit 20b equivalently to raising the temperature inside the integrating sphere.

In addition, when the internal temperature of the integrating sphere is raised to a high temperature and then lowered again to a low temperature, the integrating sphere according to the present invention has an advantage in that the cooling device is installed to effectively control the temperature in a short time.

The heat dissipation plate of the second integrating sphere temperature control unit 20b, which is a cooling device, is disposed adjacent to the heat generating unit and installed on the outer side of the main body 2, and heats the heat generating unit to the air around the outer side of the main body 2. To pass.

In addition, the heat absorbing heat sink is disposed adjacent to the heat absorbing portion and installed in the inner portion of the main body 2 to cool the air in the inner portion of the main body 2 through the heat absorbing portion.

In addition, an air circulator is provided with a blowing fan, which is provided adjacent to the endothermic heat sink to circulate the cooled air in the inner part of the main body 2. Through this, the air in the inner portion of the main body 2 can be kept constant in a cooled state.

That is, the second integrating sphere temperature adjusting unit 20b may be formed in the same structure as the first integrating sphere temperature adjusting unit 20a, and functions as a heating device or a cooling device while applying a current opposite to each connection element. Can be done.

Hereinafter, another embodiment of the integrating sphere temperature control unit 20 according to the present invention will be described.

Any one of the integrating sphere temperature control unit 20 is a liquid heating device 32 for heating a liquid circulating in the radiator 30 or a dieter liquid cooling for cooling the liquid circulating in the radiator 30. Device; The radiator 30 is formed in the form of a spiral metal tube, for heating or cooling the air in the inner portion of the body (2) through a heated liquid or a cooled liquid circulating therein; And an air circulator installed adjacent to the radiator 30 to circulate heated air or cooled air at the inner side of the main body 2.

Unlike the above, when the integrating sphere according to the present invention is large and a lot of energy exchange is required, the temperature control method using the liquid circulation method as in the other embodiment of the integrating sphere temperature adjusting unit 20 is used instead of the thermoelectric element 22. It is desirable to be mobilized.

However, as described above, the integrating sphere according to the present invention is preferably provided with a heating device for raising the inner temperature of the main body 2 and a cooling device for lowering the internal temperature, respectively, a pair of integrating sphere temperature for this purpose When the first integrating sphere temperature control unit 20a of the control unit 20 performs a function as the heating device, the second integrating sphere temperature adjusting unit 20b which is the other one of the pair of integrating sphere temperature adjusting units 20. ) May serve as the cooling device.

A first integrating sphere temperature control unit 20a which is a heating device according to another embodiment of the integrating sphere temperature adjusting unit 20 according to the present invention will be described.

The first integrating sphere temperature control unit 20a of the integrating sphere temperature adjusting unit 20 includes: a liquid heating device 32 for heating a liquid circulating in the radiator 30; A radiator (30) formed in the form of a spiral metal tube and heating air in an inner portion of the main body (2) through a heated liquid circulating therein; And an air circulator 28b installed adjacent to the radiator 30 to circulate the heated air at the inner side of the main body 2.

The liquid heating device 32 heats the liquid circulating in the radiator 30. That is, the liquid heating device 32 is forced to flow through the radiator 30 through a forced circulation device having a heated liquid as a heating device using a heater.

As shown in FIG. 3, the radiator 30 may be formed in the form of a metal tube to heat the air in the inner portion of the main body 2 while being positioned inside the main body 2 while the liquid circulates therein.

An air circulator 28b is installed adjacent to the radiator 30 to circulate heated air or cooled air at the inner side of the main body 2. That is, the air circulation device 28b is mobilized by the blowing fan that receives power from the electric motor, forcibly circulating the air in the inner portion of the main body 2 so that the heat exchange occurs in the radiator 30 well.

Through this, there is an advantage that the temperature inside the integrating sphere according to the present invention can be uniform by internal circulation without flowing out.

Next, the second integrating sphere temperature control unit which is a cooling device according to another embodiment of the integrating sphere temperature adjusting unit 20 according to the present invention will be described.

The second integrating sphere temperature control unit of the integrating sphere temperature control unit 20, the liquid cooling device for cooling the liquid circulating in the radiator; The radiator is formed in the form of a spiral metal tube, for cooling the air in the inner portion of the main body (2) through a liquid circulating therein; And an air circulator installed adjacent to the radiator to circulate the cooled air at the inner side of the main body 2.

The liquid cooling device cools the liquid circulating inside the radiator. The liquid cooling device for this purpose is installed in the outer side of the main body 2, it is preferable to cool the internal liquid of the radiator located in the inner side of the main body (2).

As the liquid cooling device, a small cooling device used in a normal home refrigerator can be mobilized, and in this case, the liquid flowing through the radiator preferably uses a cooling refrigerant.

In the manner as shown in Fig. 3, an air circulation device is installed adjacent to the radiator to circulate heated air or cooled air at the inner side of the main body. That is, the air circulation device is mobilized by the blowing fan that receives the power from the electric motor, it is possible to force the circulation of the air in the inner portion of the main body so that the heat exchange occurs in the lie.

Through this, there is an advantage that the temperature inside the integrating sphere according to the present invention can be uniform by internal circulation without flowing out.

In addition, the present invention is characterized in that it further comprises a heat insulating material for tightly wrapping the outer portion of the main body 2, the heat energy in the inner portion of the main body 2 is prevented from flowing out to the outer portion of the main body (2). do.

The integrating sphere according to the present invention can insulate the outer part of the main body 2 using a heat insulating material in order to minimize the outflow of heat energy in the inner part of the main body 2 to the outside.

That is, the integrating sphere according to the present invention minimizes heat exchange with the outside atmosphere of the outer surface of the main body 2 when the internal temperature of the main body 2 is to be kept constant at a desired temperature while the light source 4 is operated. Insulation materials for use may be used.

Through this, the integrating sphere according to the present invention has the advantage that can be maintained at a desired temperature for a long time by the user of the present invention with minimal energy by preventing the energy leakage to the outside when heating or cooling the internal temperature.

The present invention has been described with reference to the preferred embodiment as described above, but is not limited to the above embodiment, it should be interpreted by the appended claims. In addition, various modifications and variations may be made by those skilled in the art within the equivalent scope of the technical concept of the present invention and the appended claims.

2: body 4: light source
6: light source support 8: temperature sensor
10: light sensor 12: light sensor cover
14: light source temperature control unit 16: auxiliary light source
18: hide the auxiliary light source 20: integrating sphere temperature control unit
22: thermoelectric element 24: heat generating heat sink
26: endothermic heat sink 30: radiator
32: liquid heating device

Claims (8)

In the integrating sphere which can adjust the temperature in the integrating sphere in order to measure the characteristic change with respect to the ambient temperature change of the light source,
Hollow spherical body;
A light source support having one end fixedly coupled to an upper inner side of the main body and the other end positioned at an inner central part of the main body;
The light source installed at the other end of the light source support to radiate light to an inner side of the main body;
A temperature sensor installed at one side of the light source support to sense an inner temperature of the main body;
A pair of integrating spheres respectively installed opposite to the lower end of the inner part of the main body and controlling the inner temperature of the main body by heating or cooling the air in the inner part of the main body according to the inner temperature of the main body detected by the temperature sensor; Temperature control unit; And
An integrating sphere having a temperature control function, comprising: an integrating sphere temperature adjusting unit installed opposite to an inner bottom of the main body and controlling a flow of heated or cooled air through the integrating sphere temperature adjusting unit; . The method of claim 1,
A light source temperature controller further installed at an end of the light source support to control a temperature of the light source to control a change in optical characteristics of the light source;
An optical sensor installed at a central portion of an inner side of the main body to detect a change in optical characteristics of the light source; And
Integrating sphere having a temperature control function, characterized in that it further comprises a; installed in the central portion of the inner surface of the main body, the light sensor to block the direct radiation of the light source to the optical sensor. The method of claim 2,
An auxiliary light source provided at a central portion of an inner surface of the main body opposite the optical sensor and providing an auxiliary light for controlling a change in optical characteristics of the light source; And
Integral sphere having a temperature control function, characterized in that it further comprises a; is installed in the central portion of the inner surface of the main body, the secondary light source to block the secondary light of the auxiliary light source directly radiated to the inner portion of the main body. The method of claim 1,
A first integrating sphere temperature control unit of the integrating sphere temperature control unit,
A thermoelectric element including an endothermic portion for absorbing heat and a heat generating portion for dissipating heat;
A heat dissipation plate installed adjacent to the heat generation unit and transferring heat of the heat generation unit to air in the inner part of the main body;
An endothermic heat dissipation plate disposed adjacent to the endothermic portion and cooling air around the outer portion of the main body through the endothermic portion; And
And an air circulation device installed adjacent to the heat generating heat sink to circulate the heated air in the inner portion of the main body. The method of claim 1,
A second integrating sphere temperature adjusting unit of the integrating sphere temperature adjusting unit,
A thermoelectric element including an endothermic portion for absorbing heat and a heat generating portion for dissipating heat;
A heat dissipation plate installed adjacent to the heat generation unit and transferring heat of the heat generation unit to air around the outer side of the main body;
An endothermic heat sink installed adjacent to the endothermic portion and cooling air in the inner portion of the main body through the endothermic portion; And
And an air circulation device installed adjacent to the endothermic heat sink to circulate the cooled air in the inner portion of the main body. The method of claim 1,
A first integrating sphere temperature control unit of the integrating sphere temperature control unit,
A liquid heating device for heating a liquid circulating inside the radiator;
The radiator is formed in the form of a spiral metal tube, the radiator for heating the air in the inner portion of the body through a heated liquid circulating therein; And
And an air circulation device installed adjacent to the radiator to circulate the heated air at the inner side of the main body. The method of claim 1,
A second integrating sphere temperature adjusting unit of the integrating sphere temperature adjusting unit,
A liquid cooling device for cooling the liquid circulating in the radiator;
The radiator is formed in the form of a spiral metal tube, for cooling the air in the inner portion of the body through a liquid circulating therein; And
And an air circulator installed adjacent to the radiator to circulate the cooled air at the inner side of the main body. The method of claim 1,
While integrally surrounding the outer portion of the main body, the integrating sphere having a temperature control function, characterized in that it further comprises a heat insulating material to block the heat energy in the inner portion of the main body to flow out to the outer portion of the main body.
KR1020100016288A 2010-02-23 2010-02-23 Integrating sphere with temperature control system KR100959504B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102818624A (en) * 2011-06-08 2012-12-12 北京光电技术研究所 Integrating sphere detector

Citations (4)

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Publication number Priority date Publication date Assignee Title
JPH102790A (en) 1996-06-14 1998-01-06 Matsushita Electric Ind Co Ltd Laser output detector and laser oscillator
KR100651031B1 (en) 2005-07-08 2006-11-29 장민준 Integrating sphere having means for temperature control
KR20090019644A (en) * 2007-08-21 2009-02-25 광전자정밀주식회사 Integrating sphere with device to control temperature
KR100932247B1 (en) 2009-08-24 2009-12-16 광전자정밀주식회사 Integrating sphere with device to control temperature

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH102790A (en) 1996-06-14 1998-01-06 Matsushita Electric Ind Co Ltd Laser output detector and laser oscillator
KR100651031B1 (en) 2005-07-08 2006-11-29 장민준 Integrating sphere having means for temperature control
KR20090019644A (en) * 2007-08-21 2009-02-25 광전자정밀주식회사 Integrating sphere with device to control temperature
KR100932247B1 (en) 2009-08-24 2009-12-16 광전자정밀주식회사 Integrating sphere with device to control temperature

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102818624A (en) * 2011-06-08 2012-12-12 北京光电技术研究所 Integrating sphere detector

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