CN204314453U - A kind of microwave radiometer air duct heat dissipating device - Google Patents
A kind of microwave radiometer air duct heat dissipating device Download PDFInfo
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- CN204314453U CN204314453U CN201420775319.7U CN201420775319U CN204314453U CN 204314453 U CN204314453 U CN 204314453U CN 201420775319 U CN201420775319 U CN 201420775319U CN 204314453 U CN204314453 U CN 204314453U
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Abstract
The utility model discloses a kind of microwave radiometer air duct heat dissipating device, comprise base and be arranged on the shell on base, mounting temperature sensor on the inwall of shell, be also provided with two receiver units in shell, described receiver unit comprises box body, the side of box body arranges lid, opposite side arranges heat radiator, and the side of heat radiator is shiny surface, and opposite side is with radiation tooth, the heat radiator of two receiver units is oppositely arranged with the side of radiation tooth, and the inwall of box body arranges receiver.Microwave radiometer air duct heat dissipating device disclosed in the utility model, by rational Duct design, form effective gas channel, cold airflow is from air inlet suction, by the fan run up, take away the heat on microwave radiometer heat radiator fast, discharge from air outlet, timely suction cold wind, discharge hot blast, the heat of microwave radiometer inside is discharged rapidly and efficiently, effectively improve inner thermostatically-controlled equipment heat exchanger effectiveness, ensure that microwave meter systems can in stable operation under hot weather.
Description
Technical field
The utility model relates to a kind of microwave radiometer, particularly a kind of microwave radiometer with air duct heat dissipating device.
Background technology
Microwave radiometer is a kind of high sensitive receiver for remote sensing.When variation of ambient temperature, become characteristic because inner microwave device exists temperature, the Measurement sensibility degree of microwave radiometer and precision will be greatly affected.
At present, known microwave radiometer carrys out by inner thermostatically-controlled equipment the stability that strengthening system works when variation of ambient temperature.Thermostatically-controlled equipment comprises constant temperature control circuit, cooling piece, heat-insulation layer etc.If ambient temperature is higher than the operation of receiver temperature of setting, constant temperature control circuit starts cooling piece work, freezes to receiver.This mode can ensure operation of receiver temperature stabilization when ambient temperature is not high and change is inviolent, but during microwave radiometer long-time running, if ambient temperature is too high, the heat self produced when receiver and cooling piece refrigeration can constantly be gathered in microwave radiometer enclosure interior.Even if part microwave radiometer inside has installed fan additional, also the effect of heat of stirring air can only be played, still not operatively heat is discharged from microwave radiometer inside, cause inner thermostatically-controlled equipment even to damage because own temperature is too high and out of control, affect the stable operation of microwave radiometer.
Utility model content
Technical problem to be solved in the utility model is just to provide a kind of microwave radiometer with air duct heat dissipating device.
The utility model adopts following technical scheme:
A kind of microwave radiometer air duct heat dissipating device, comprise base and be arranged on the shell on base, mounting temperature sensor on the inwall of shell, its improvements are: be also provided with two receiver units in shell, described receiver unit comprises box body, the side of box body arranges lid, opposite side arranges heat radiator, the side of heat radiator is shiny surface, opposite side is with radiation tooth, the heat radiator of two receiver units is oppositely arranged with the side of radiation tooth, the inwall of box body arranges receiver, described receiver contacts with the semiconductor chilling plate be arranged on heat radiator shiny surface, the constant temperature control circuit be arranged on lid inwall is electrically connected with temperature sensor, base arranges air inlet air door and outlet air door, the air inlet fan be electrically connected with constant temperature control circuit and air outlet fan are set between fins, air inlet air door, air inlet fan, air outlet fan, outlet air door communicates with each other and forms inverted U-shaped air channel.
Further, between receiver and the inwall of box body, also heat-insulation layer is provided with.
Further, arrange groove in the centre position of heat radiator shiny surface, semiconductor chilling plate is embedded in this groove.
Further, dividing plate is set between the air inlet air door and outlet air door of base.
Further, sentence sealing strip at the link position of box body and heat radiator to seal.
Further, the blowing direction of air inlet fan, air outlet fan is consistent, and air outlet fan is arranged to outlet air door direction inclination certain angle.
The beneficial effects of the utility model are:
Microwave radiometer air duct heat dissipating device disclosed in the utility model, by rational Duct design, form effective gas channel, cold airflow is from air inlet suction, by the fan run up, take away the heat on microwave radiometer heat radiator fast, discharge from air outlet, timely suction cold wind, discharge hot blast, the heat of microwave radiometer inside is discharged rapidly and efficiently, effectively improve inner thermostatically-controlled equipment heat exchanger effectiveness, ensure that microwave meter systems can in stable operation under hot weather.
Microwave radiometer air duct heat dissipating device disclosed in the utility model, arranges dividing plate between air inlet air door and outlet air door, mainly prevents from flowing directly into air inlet from air outlet hot-air out, avoids air flow shortcircuit.
Microwave radiometer air duct heat dissipating device disclosed in the utility model, becomes the air outlet fan design of air outlet one side to air outlet inclination certain angle to be conducive to air draft.
Accompanying drawing explanation
Fig. 1 is the structural representation of the microwave radiometer air duct heat dissipating device disclosed in the utility model embodiment 1.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with embodiment, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, and be not used in restriction the utility model.
Embodiment 1, present embodiment discloses a kind of microwave radiometer air duct heat dissipating device, comprise base and be arranged on the shell on base, mounting temperature sensor on the inwall of shell, two receiver units are also provided with in shell, described receiver unit comprises box body, the side of box body arranges lid, opposite side arranges heat radiator, the side of heat radiator is shiny surface, opposite side is with radiation tooth, the heat radiator of two receiver units is oppositely arranged with the side of radiation tooth, the inwall of box body arranges receiver, described receiver contacts with the semiconductor chilling plate be arranged on heat radiator shiny surface, the constant temperature control circuit be arranged on lid inwall is electrically connected with temperature sensor, base arranges air inlet air door and outlet air door, the air inlet fan be electrically connected with constant temperature control circuit and air outlet fan are set between fins, air inlet air door, air inlet fan, air outlet fan, outlet air door communicates with each other and forms inverted U-shaped air channel.Also heat-insulation layer is provided with between receiver and the inwall of box body.Arrange groove in the centre position of heat radiator shiny surface, semiconductor chilling plate is embedded in this groove.Between the air inlet air door and outlet air door of base, dividing plate is set.Sentence sealing strip at the link position of box body and heat radiator to seal.The blowing direction of air inlet fan, air outlet fan is consistent, and air outlet fan is arranged to outlet air door direction inclination certain angle.
Specifically, as shown in Figure 1, the microwave radiometer air duct heat dissipating device disclosed in the present embodiment, periphery is microwave radiometer shell 10 and microwave radiometer base 23, and the middle part of shell is the cavity of hexahedron structure.Housing interior side-wall installs a temperature sensor 17, and microwave radiometer base 23 is provided with air inlet air door 1, outlet air door 2, air inlet 11, air outlet 12, dividing plate 13.Two receiver units are provided with in the hexahedron structure cavity of middle part, first receiver 4 on top is arranged in the first box body 19, the side of the first box body arranges the first lid 21, opposite side arranges the first heat radiator 6, first box body, first lid and the first heat radiator are combined into a tetrahedron mutually, the radiation tooth of the first heat radiator 6 is downward, the shiny surface of the first heat radiator is close to the first receiver, the shiny surface centre position of the first heat radiator is fluted, semiconductor chilling plate 9 is embedded in this groove, semiconductor chilling plate 9 one side is close to the first receiver 4, one side is close to the first heat radiator 6, first lid 21 is aluminium sheet, installs the first constant temperature control circuit 15 inside lid.
Second receiver 14 of bottom is arranged in the second box body 20, the side of the second box body arranges the second lid 22, opposite side arranges the second heat radiator 5, second box body, second lid and the second heat radiator are combined into a tetrahedron mutually, the radiation tooth of the second heat radiator 5 upwards, the shiny surface of the second heat radiator is close to the second receiver, the shiny surface centre position of the second heat radiator is fluted, semiconductor chilling plate is embedded in this groove, semiconductor chilling plate one side is close to the second receiver 14, and one side is close to the second heat radiator 5; Second lid 22 is aluminium sheet, installs the second constant temperature control circuit 16 inside lid.Sentence sealing strip 18 at the link position of the second box body and the second heat radiator to seal.
The hexahedron structure cavity of above middle part can be divided into upper, middle and lower three part.Top has: combine closely with semiconductor chilling plate 9 bottom the first receiver 4, heat-insulation layer 3, semiconductor chilling plate 9, first constant temperature control circuit 15, first receiver 4, ensures that heat therebetween transmits fast; Middle part is heat dissipation channel, comprises the first heat radiator 6, second heat radiator 5, air inlet fan 8 and air outlet fan 7.Left and right of heat dissipation channel respectively has an exhaust fan, and number of fans is determined according to actual cooling requirements, and the blowing direction of fan is consistent, and becomes the fan design of air outlet one side to air outlet inclination certain angle to be conducive to air draft.The above and below of heat dissipation channel is special aluminium radiator fin, and the one side that heat radiator is smooth is close to receiver, and be with one of radiation tooth facing to heat dissipation channel, the direction of radiation tooth and the blowing direction of fan are consistent.Form inverted U-shaped air channel between the heat dissipation channel at middle part and microwave radiometer shell, in Fig. 1, arrow is depicted as air-flow and flows to along air channel; Second receiver 14, heat-insulation layer 3, semiconductor chilling plate, the second constant temperature control circuit 16 are arranged at bottom, structure and top symmetry.
Temperature sensor 17 is electrically connected with the first constant temperature control circuit 15 and the second constant temperature control circuit 16.First constant temperature control circuit 15 and the second constant temperature control circuit 16 are electrically connected with air inlet fan 8 and air outlet fan 7 respectively.The opening and closing of air inlet fan 8 and air outlet fan 7 are judged according to the temperature record of temperature sensor 17 collection.If temperature higher than setting threshold value, then starts air inlet fan 8 and air outlet fan 7, otherwise closes all fans.Such as, when residing environment temperature is higher than setting threshold value 25 DEG C, open air inlet air door 1, outlet air door 2, constant temperature control circuit starts air inlet fan 8, air outlet fan 7 simultaneously, at this moment, cold air in environment is as shown by the arrows in Figure 1: through air inlet 11, air inlet fan 8, first heat radiator 6, second heat radiator 5, air outlet fan 7, air outlet 12, form inverted U-shaped heat dissipation channel, brought in surrounding environment by heat.Between air inlet 11 and air outlet 12, dividing plate 13 is set, mainly prevents from flowing directly into air inlet 11 from air outlet 12 hot-air out, avoid air flow shortcircuit.
Claims (6)
1. a microwave radiometer air duct heat dissipating device, comprise base and be arranged on the shell on base, mounting temperature sensor on the inwall of shell, it is characterized in that: in shell, be also provided with two receiver units, described receiver unit comprises box body, the side of box body arranges lid, opposite side arranges heat radiator, the side of heat radiator is shiny surface, opposite side is with radiation tooth, the heat radiator of two receiver units is oppositely arranged with the side of radiation tooth, the inwall of box body arranges receiver, described receiver contacts with the semiconductor chilling plate be arranged on heat radiator shiny surface, the constant temperature control circuit be arranged on lid inwall is electrically connected with temperature sensor, base arranges air inlet air door and outlet air door, the air inlet fan be electrically connected with constant temperature control circuit and air outlet fan are set between fins, air inlet air door, air inlet fan, air outlet fan, outlet air door communicates with each other and forms inverted U-shaped air channel.
2. microwave radiometer air duct heat dissipating device according to claim 1, is characterized in that: between receiver and the inwall of box body, be also provided with heat-insulation layer.
3. microwave radiometer air duct heat dissipating device according to claim 1, it is characterized in that: arrange groove in the centre position of heat radiator shiny surface, semiconductor chilling plate is embedded in this groove.
4. microwave radiometer air duct heat dissipating device according to claim 1, is characterized in that: between the air inlet air door and outlet air door of base, arrange dividing plate.
5. microwave radiometer air duct heat dissipating device according to claim 1, is characterized in that: sentence sealing strip at the link position of box body and heat radiator and seal.
6. microwave radiometer air duct heat dissipating device according to claim 1, is characterized in that: the blowing direction of air inlet fan, air outlet fan is consistent, and air outlet fan is arranged to outlet air door direction inclination certain angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420775319.7U CN204314453U (en) | 2014-12-10 | 2014-12-10 | A kind of microwave radiometer air duct heat dissipating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420775319.7U CN204314453U (en) | 2014-12-10 | 2014-12-10 | A kind of microwave radiometer air duct heat dissipating device |
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| Publication Number | Publication Date |
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| CN204314453U true CN204314453U (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420775319.7U Active CN204314453U (en) | 2014-12-10 | 2014-12-10 | A kind of microwave radiometer air duct heat dissipating device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535967B (en) * | 2014-12-10 | 2017-04-26 | 中国电子科技集团公司第二十二研究所 | Microwave radiometer air flue heat dissipation device |
| CN109143173A (en) * | 2018-10-09 | 2019-01-04 | 西安电子工程研究所 | A kind of multi-channel microwave radiometer receiver high stable constant temperature structure |
-
2014
- 2014-12-10 CN CN201420775319.7U patent/CN204314453U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535967B (en) * | 2014-12-10 | 2017-04-26 | 中国电子科技集团公司第二十二研究所 | Microwave radiometer air flue heat dissipation device |
| CN109143173A (en) * | 2018-10-09 | 2019-01-04 | 西安电子工程研究所 | A kind of multi-channel microwave radiometer receiver high stable constant temperature structure |
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