KR20170011374A - Signal having air conditioning function using thermoelectric element - Google Patents

Signal having air conditioning function using thermoelectric element Download PDF

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Publication number
KR20170011374A
KR20170011374A KR1020150103910A KR20150103910A KR20170011374A KR 20170011374 A KR20170011374 A KR 20170011374A KR 1020150103910 A KR1020150103910 A KR 1020150103910A KR 20150103910 A KR20150103910 A KR 20150103910A KR 20170011374 A KR20170011374 A KR 20170011374A
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KR
South Korea
Prior art keywords
housing
thermoelectric element
outside
present
signal lamp
Prior art date
Application number
KR1020150103910A
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Korean (ko)
Other versions
KR101793602B1 (en
Inventor
김동환
김호영
김참
Original Assignee
재단법인대구경북과학기술원
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to KR1020150103910A priority Critical patent/KR101793602B1/en
Publication of KR20170011374A publication Critical patent/KR20170011374A/en
Application granted granted Critical
Publication of KR101793602B1 publication Critical patent/KR101793602B1/en

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/095—Traffic lights
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/07—Controlling traffic signals
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans
    • H05K7/20172—Fan mounting or fan specifications
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2101/00—Point-like light sources

Abstract

A signal lamp including an air conditioning function using a thermoelectric element is disclosed. The disclosed signal lamp comprises a housing; An LED unit mounted on the outside of the housing; An intake fan for introducing outside air into the housing; An exhaust fan for exhausting the housing inner air to the outside of the housing; A thermoelectric element disposed at one side of the suction fan to cool the outside air; And a control unit for controlling the operation of the intake fan, the exhaust fan, and the thermoelectric element according to a measured value of the internal temperature or humidity of the housing.

Description

TECHNICAL FIELD [0001] The present invention relates to a signal light including an air conditioning function using a thermoelectric element,

The present invention relates to a signal lamp including an air conditioning function using a thermoelectric element, and more specifically, to a method of cooling an outside air introduced into a housing by using a thermoelectric element to damage other electronic components including LEDs from high temperature and humidity To the traffic light.

Inside the traffic lights installed around the roads, LEDs and other electronic components are displayed inside the signal lamps. These electronic components are affected by the external temperature.

Particularly, in the hot period, the internal temperature of the signal lamp sharply increases due to heat conduction due to direct sunlight and radiant heat emitted from the road such as asphalt, etc., and the possibility of breakage and malfunction of the electronic equipment may be increased.

However, if the outside temperature is higher than the internal temperature of the signal lamp, the hot outside air may flow into the inside of the signal lamp, which may adversely affect the inside of the signal lamp. .

Further, in the rainy season where the rain is much lowered, the outside air containing a large amount of moisture may flow into the inside of the traffic light, which may cause a phenomenon that the electronic parts are corroded or malfunctioned.

Korean Patent Publication No. 10-2007-0048938 (Published May 10, 2007)

In order to solve the above problems, a signal lamp including an air conditioning function using a thermoelectric device according to an embodiment of the present invention includes an LED exposed to the outside of the housing due to high temperature and humidity inside the housing, It is intended to prevent damage.

The solution to the problem of the present invention is not limited to those mentioned above, and other solutions not mentioned can be clearly understood by those skilled in the art from the following description.

In order to attain the above object, the present invention provides a refrigerator comprising a housing, an LED unit mounted outside the housing, an intake fan for introducing the outside air into the housing, an exhaust fan for exhausting the housing interior to the outside, And a control section for controlling the operation of the intake fan, the exhaust fan, and the thermoelectric element according to the measurement value of the internal temperature or the humidity of the housing.

In the present invention, it is preferable that the intake fan is disposed higher than the exhaust fan.

In the present invention, it is preferable that at least one resistance wall for changing the flow of the vapors is formed inside the housing.

In the present invention, the resistance wall is disposed between the intake fan and the exhaust fan, and one end is preferably fixed to the inner side surface of the housing.

In the present invention, when a plurality of resistive walls are arranged, it is preferable that the mutually adjacent resistive walls of the plurality of resistive walls are fixed to the opposed inner surfaces of the housing.

In the present invention, when a plurality of resistance walls are arranged, the flow path inside the housing is preferably formed in a zigzag shape.

In the present invention, it is preferable that the resistance wall is formed with a rounded portion extending to the inner side fixed to the housing, and the rounded portion is formed concavely in the direction of the resistance wall.

Preferably, the present invention further includes a drainage guide for collecting and discharging the condensed water generated at the lower side of the thermoelectric element when the outside air is cooled.

It is preferable that the present invention further includes a heat dissipating member for discharging heat generated from the thermoelectric element to the outside of the housing.

In the present invention, it is preferable that a part of the heat dissipating member is in contact with the heat generating portion of the thermoelectric element and the remaining portion penetrates the housing and is disposed outside the housing.

The signal lamp including the air conditioning function using the thermoelectric device according to the present invention can provide the effect of lowering the temperature or humidity inside the housing by cooling the outside air flowing into the housing by disposing the thermoelectric element near the intake fan.

Further, a resistance wall can be formed inside the housing to enlarge the flow path inside the housing, so that the cooling effect can be increased.

In addition, the above effect can prevent the electronic parts including the LED mounted inside the signal lamp housing from being damaged due to high temperature and humidity.

The effects of the present invention are not limited to those mentioned above, and other effects not mentioned may be clearly understood by those skilled in the art from the following description.

1 is a block diagram of a signal lamp including an air conditioning function using a thermoelectric device according to a first embodiment of the present invention.
2 is a schematic perspective view of a signal lamp including an air conditioning function using a thermoelectric device according to the first embodiment of the present invention.
3 is a schematic sectional view of the signal lamp shown in Fig. 2 of the present invention.
4 is a schematic perspective view of a signal lamp including an air conditioning function using a thermoelectric device according to a second embodiment of the present invention.
5 is a schematic sectional view of the signal lamp shown in Fig. 4 of the present invention.
6 is a schematic sectional view of a signal lamp including an air conditioning function using a thermoelectric device according to a third embodiment of the present invention.
7 is a partially enlarged view of a signal lamp including an air conditioning function using a thermoelectric device according to a fourth embodiment of the present invention.

Prior to the description of the present invention, "outside air" means air outside the traffic light, and "bet" means air inside the traffic light.

Hereinafter, a signal lamp including an air conditioning function using a thermoelectric device according to a first embodiment of the present invention will be described with reference to FIGS. 1 to 3. FIG.

FIG. 1 is a block diagram illustrating an electronic component included in a signal lamp 100 according to an exemplary embodiment of the present invention. FIG. 2 is a schematic perspective view of the inside of a signal lamp 100 according to an exemplary embodiment of the present invention .

FIG. 3 is a schematic sectional view of the signal lamp 100 shown in FIG. 2, and shows an internal flow path of the signal lamp 100 according to an embodiment of the present invention.

1 to 3, the signal lamp 100 includes a housing 110, an LED unit 120 mounted on the housing 110, an air intake fan 131 for introducing outside air into the housing 110, And an exhaust fan 132 for exhausting the inside of the housing 110 to the outside.

A control unit 150 that controls the operation of the intake fan 131, the exhaust fan 132, and the thermoelectric element 140; a thermoelectric element 140 disposed on one side of the housing 110 And a humidity sensor 162 for measuring humidity. The sensor unit 160 includes a temperature sensor 161 for measuring the temperature inside the humidity sensor 162 and a humidity sensor 162 for measuring humidity.

As shown in FIG. 2, the housing 110 is shown in a rectangular parallelepiped shape, but it is not limited thereto. The housing 110 may be formed in various shapes according to the installation environment conditions or the arrangement of the electronic components in the housing 110.

2 and 3, the thermoelectric element 140 has a thermoelectric material 143 composed of two different semiconductors to which a Peltier effect using cooling or heat is applied, and a thermoelectric material 143 made of ceramic or aluminum And the metal substrate is composed of a cooling part 141 and a heat generating part 142 in accordance with a current application direction.

The thermoelectric element 140 is disposed near the suction fan 131 and the current is applied so that the cooling part 141 is formed on the suction fan 131 side to cool the outside air flowing into the housing 110 to lower the temperature or humidity give.

Condensed water may be generated in the vicinity of the heat generating portion 142 or the thermoelectric element 140 of the thermoelectric element 140 and the condensed water may be accumulated on the bottom of the inside of the housing 110 during cooling of the high temperature and high humidity, There is a possibility that the internal soundness of the signal lamp 100 may be deteriorated and the malfunction of the electronic parts inside the signal lamp 100 may be caused.

In order to prevent this, it is more preferable that a drainage guide 180 is disposed below the thermoelectric element 140 to discharge the condensed water to the outside of the housing 110.

The drainage guide 180 includes a condensed water collecting unit 181 for collecting condensed water and a drainage line 182 connected to the outside of the housing 110 in the condensed water collecting unit 181.

The intake fan 131 and the exhaust fan 132 are disposed on one side or both sides of the housing 110. Although not shown in the drawings, a plurality of the intake fan 131 and the exhaust fan 132 are disposed on the side of the housing,

The intake fan 131 is arranged higher than the exhaust fan 132 in order to allow the exhaust air to be discharged to the outside of the housing 110 in a simple manner in consideration of the convection phenomenon in which the cooled air is lowered to the bottom surface of the housing 110 This can reduce the load on the air blowing unit 130 shown in FIG. 1.

1, a sensor unit 160 including a temperature sensor 161 and a humidity sensor 162 is installed inside a housing 110 and includes a housing 110 including an intake fan 131 and a periphery of the exhaust fan 132, It is more preferable to increase the reliability of the temperature and humidity measurement values inside the housing 110.

The control unit 150 controls the electronic components installed in the signal lamp 100 and compares the measured value of the sensor unit 160 with the predetermined reference value of the temperature and humidity to determine the temperature of the air blowing unit 130 or the thermoelectric element 140 The operation is determined.

Hereinafter, a signal lamp having an air conditioning function using a thermoelectric device according to a second embodiment of the present invention will be described with reference to FIGS. 4 and 5. FIG.

Prior to description, detailed description of the configuration overlapping with the first embodiment of the present invention described above will be omitted.

FIG. 4 is a schematic perspective view of a signal lamp having an air conditioning function using a thermoelectric device according to a second embodiment of the present invention, FIG. 5 is a schematic sectional view of the signal lamp 100 shown in FIG. An internal flow path of the signal lamp 100 according to the second embodiment is shown.

4 to 5, the signal lamp according to the second embodiment of the present invention is substantially the same as the configuration of the first embodiment of the present invention described above. A resistance wall 170 is further included to increase the internal flow path of the housing 110.

3, the flow path formed in the housing 110 in the first embodiment of the present invention is formed at a gentle slope, so that the residence time of the internal air is short, There is a fear that the cooling effect of the upper space is relatively lowered.

Accordingly, the signal lamp 100 according to the second embodiment of the present invention is derived to further enhance the cooling effect of the first embodiment of the present invention described above. The signal lamp 100 includes at least the inside of the housing 110, Preferably, one or more resistive walls 170 are constructed.

The resistance wall 170 is disposed between the suction fan 131 and the exhaust fan 132 and has one end fixed to the inner surface of the housing 110. When a plurality of resistance walls 170 are disposed, Are fixed to the opposed inner surfaces of the housing 110. [0033]

5, when a plurality of the resistance walls 170 are arranged, the flow path inside the housing 110 is formed in a zigzag shape, so that the length of the flow path is increased and the length of the flow path of the exhaust fan 131 132).

Therefore, the residence time of the inside air is increased and the flow path is evenly distributed inside the housing 110, so that a cooling effect higher than that of the first embodiment of the present invention can be obtained.

Hereinafter, a signal lamp including an air conditioning function using a thermoelectric device according to a third embodiment of the present invention will be described with reference to FIG.

Prior to the explanation, detailed description of the configuration overlapping with the first and second embodiments of the present invention described above will be omitted.

FIG. 6 is a schematic perspective view of a signal lamp including an air conditioning function using a thermoelectric device according to a third embodiment of the present invention.

As shown in FIG. 6, the signal lamp 100 according to the third embodiment of the present invention is substantially the same as the configuration of the first and second embodiments of the present invention described above. The third embodiment is a modification of the blocking wall 170 of the second embodiment.

5, the signal lamp 100 according to the second embodiment of the present invention includes the resistance wall 170, so that the flow path is rapidly changed, so that at the initial operation of the intake fan 131, 100) itself may have a microtremor.

Therefore, the signal lamp 100 according to the third embodiment of the present invention is derived in order to prevent the trembling phenomenon of the second embodiment of the present invention described above, And the rounded portion 171 is formed to be concave in the direction of the resistance wall 170. In addition,

The annular projection 172 is formed at the other end of the resistance wall 170 where the rounding portion 171 is formed so that the inner air can smoothly flow along the resistance wall 170, And the load of the intake fan 131 and the exhaust fan 132 can be reduced.

Hereinafter, a signal lamp including an air conditioning function using a thermoelectric device according to a fourth embodiment of the present invention will be described with reference to FIG.

Prior to the description, detailed description of configurations overlapping with those of the first to third embodiments of the present invention will be omitted.

7 is a partially enlarged view of a signal lamp including an air conditioning function using a thermoelectric device according to a fourth embodiment of the present invention.

As shown in FIG. 7, the signal lamp 100 according to the fourth embodiment of the present invention is substantially the same as the first to third embodiments of the present invention described above, and further includes the heat radiation member 190.

The heat dissipating member 190 is configured to dissipate heat generated in the heat generating portion 142 of the thermoelectric element 140 to the outside and includes a plate 191 and a plurality of heat dissipating fins 192 fixed to the plate 191 The heat dissipating member 190 is disposed to be exposed to the outside of the housing 110 and one end of the plate 191 is connected to the heat generating unit 142.

Therefore, the heat of the heat generating portion 142 flows out to the outside by the heat dissipating member 190, so that interference with cooling inside the housing 110 can be prevented.

As described above, the signal lamp including the air conditioning function using the thermoelectric elements of the various embodiments of the present invention may be configured such that the thermoelectric element 140 is disposed near the intake fan 131 to cool the outside air flowing into the housing 110, 110) can be obtained.

Also, the resistance wall 170 may be formed inside the housing 110 to expand the flow path inside the housing 110, thereby increasing the cooling effect.

Also, because of the above effect, it is possible to prevent the electronic parts including the LED unit 120 mounted on the signal lamp 100 from being damaged by high temperature and humidity.

It is to be understood that the embodiments disclosed herein are not for purposes of limiting the technical idea of the present invention and are not intended to limit the scope of the technical idea of the present invention.

It will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents. It should be interpreted.

100: signal lamp 110: housing
120: LED unit 130: air blowing unit
140: thermoelectric element 150:
160: Sensor part 170: Resistance wall
180: drain guide 190:

Claims (10)

housing;
An LED unit mounted on the outside of the housing;
An intake fan for introducing outside air into the housing;
An exhaust fan for exhausting the housing inner air to the outside;
A thermoelectric element disposed at one side of the suction fan to cool the outside air; And
A control unit for controlling the operation of the intake fan, the exhaust fan, and the thermoelectric element according to a measurement value of the internal temperature or humidity of the housing; ≪ / RTI > The method according to claim 1,
And the intake fan is disposed higher than the exhaust fan. The method according to claim 1,
And at least one resistance wall for changing the flow of the vapors is formed in the housing. The method of claim 3,
Wherein the resistance wall is disposed between the intake fan and the exhaust fan, and one end thereof is fixed to the inside surface of the housing. The method of claim 3,
When a plurality of the resistance walls are arranged,
And a plurality of resistive walls adjacent to each other are fixed to opposed inner surfaces of the housing. The method of claim 3,
Wherein a plurality of the resistance walls are arranged in a zigzag fashion in the interior of the housing. The method of claim 3,
Wherein the resistance wall is formed with a rounded portion extending to an inner side fixed to the housing,
And the round portion is recessed in the resistance wall direction. The method according to claim 1,
And a drain guide for collecting and discharging the condensed water generated when the outside air is cooled on the lower side of the thermoelectric element to the outside. The method according to claim 1,
And a heat dissipating member for discharging heat generated from the thermoelectric element to the outside of the housing. 10. The method of claim 9,
Wherein a part of the heat radiation member is in contact with a heat generating portion of the thermoelectric element and the remaining portion is disposed outside the housing through the housing.
KR1020150103910A 2015-07-22 2015-07-22 Signal having air conditioning function using thermoelectric element KR101793602B1 (en)

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Application Number Priority Date Filing Date Title
KR1020150103910A KR101793602B1 (en) 2015-07-22 2015-07-22 Signal having air conditioning function using thermoelectric element

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KR20170011374A true KR20170011374A (en) 2017-02-02
KR101793602B1 KR101793602B1 (en) 2017-11-06

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102247310B1 (en) * 2019-12-30 2021-05-04 (주)벨류데이터 Composite heat dissipation structure and smart structure including the same
CN115500056A (en) * 2022-09-27 2022-12-20 深圳市岩溪科技有限公司 Outdoor traffic signal controller

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070048938A (en) 2005-11-07 2007-05-10 진재필 Signal light

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005204192A (en) * 2004-01-19 2005-07-28 Noritsu Koki Co Ltd Led light source device for photograph processor
KR200400252Y1 (en) * 2005-08-19 2005-11-03 장철수 heating body cooling apparatus using thermoelectric element
KR101380126B1 (en) * 2014-01-21 2014-04-01 주식회사 성우에스텍 Heat exchange apparatus for air conditioner

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070048938A (en) 2005-11-07 2007-05-10 진재필 Signal light

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102247310B1 (en) * 2019-12-30 2021-05-04 (주)벨류데이터 Composite heat dissipation structure and smart structure including the same
CN115500056A (en) * 2022-09-27 2022-12-20 深圳市岩溪科技有限公司 Outdoor traffic signal controller

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