CN210014586U - Low-temperature low-dew-point fresh air generating device for environmental chamber - Google Patents
Low-temperature low-dew-point fresh air generating device for environmental chamber Download PDFInfo
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- CN210014586U CN210014586U CN201920870011.3U CN201920870011U CN210014586U CN 210014586 U CN210014586 U CN 210014586U CN 201920870011 U CN201920870011 U CN 201920870011U CN 210014586 U CN210014586 U CN 210014586U
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Abstract
The utility model discloses an environment cabin is with low dew point new trend generating device of low temperature, it includes one-level air inlet etc, one-level air inlet, one-level new trend export is located the both sides of one-level new trend cooling dehumidification evaporimeter respectively, connect through the fresh air pipeline between one-level new trend export and the dehumidifier entry, dehumidifier regeneration air inlet is located the bottom both sides of dehumidifier respectively, the dehumidifier is done air outlet and is located top one side of dehumidifier, second grade new trend entry is located one side of second grade new trend cooling dehumidification evaporimeter, dehumidifier exhaust outlet is connected with the dehumidifier. The utility model discloses be the new trend that the air transformation is low-temperature low humidity low dew point to the normal atmospheric temperature, provide suitable new trend supply.
Description
Technical Field
The utility model relates to a generating device especially relates to a low temperature hangs down dew point new trend generating device for environmental chamber.
Background
The cold start performance of the engine is an important aspect of the performance of the engine, and not only has national standards, but also various manufacturers have clear regulations aiming at the cold start performance of the engine. As the name suggests, the low-temperature cold start experiment bin for the automobile is used for performing cold start experiments on an engine or the whole automobile (various types of automobiles such as a bus, a truck, a car and the like) at low temperature. It can be used for cold start of engine at low temp. and for test of normal temp. performance and discharge of engine.
The starting operation of the engine can suck air in a test room, and a proper amount of fresh air must be supplemented into the room to ensure the balance of the pressure of the test room and the requirement of oxygen consumption of the engine and personnel. Because the output of the untreated fresh air can lead to the out-of-control temperature and humidity parameters in the test room, the test requirements can not be met, and the evaporator can be frosted due to the entering of external moisture. Therefore, the introduced fresh air must be cooled and dehumidified.
In order to guarantee the supply of low-temperature low-dew-point air for a long time, a fresh air processing device is necessary to be designed so as to provide proper fresh air supply.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a low dew point new trend generating device is used to environment cabin is provided, and it is the new trend that the air transformation is low-temperature low humidity low dew point to the normal atmospheric temperature, provides suitable new trend supply.
The utility model discloses a solve above-mentioned technical problem through following technical scheme: a low-temperature low-dew-point fresh air generating device for an environmental chamber is characterized by comprising a primary air inlet, a primary fresh air outlet, a dehumidifier inlet, a dehumidifier regenerated air inlet, a dehumidifier dry air outlet, a secondary fresh air inlet, a secondary fresh air outlet electric air valve, a secondary fresh air outlet, a fresh air temperature sensor, a primary fresh air cooling and dehumidifying evaporator, a secondary fresh air cooling and dehumidifying evaporator, a dehumidifier waste gas outlet, a fresh air pipeline and a dehumidifier regenerated air manual air valve, wherein the primary air inlet and the primary fresh air outlet are respectively positioned at two sides of the primary fresh air cooling and dehumidifying evaporator, the primary fresh air outlet and the dehumidifier inlet are connected through the fresh air pipeline, the dehumidifier inlet and the dehumidifier regenerated air inlet are respectively positioned at two sides of the bottom end of the dehumidifier, the dehumidifier dry air outlet is positioned at one side of the top end of the dehumidifier, and the secondary fresh air inlet is positioned at one side of the, a waste gas outlet of the dehumidifier is connected with the dehumidifier, the second-stage fresh air cooling and dehumidifying evaporator is communicated with the dehumidifier through a fresh air pipeline, a manual air valve for regenerating air of the dehumidifier is positioned on the fresh air pipeline, an electric air valve for the second-stage fresh air outlet is positioned on the other side of the second-stage fresh air cooling and dehumidifying evaporator, the second-stage fresh air outlet is positioned on one side of the electric air valve for the second-stage fresh air outlet, and a fresh air temperature sensor is positioned at the second-stage fresh air outlet.
Preferably, the dehumidifier dry air outlet is connected with a fresh air pipeline.
The utility model discloses an actively advance the effect and lie in: the utility model discloses realize being the new trend that the normal atmospheric temperature is low humidity low dew point of air transformation, automatically, according to the environmental compartment temperature humidity control refrigeration and dehumidification component, degree of automation is high, has the dehumidification function, guarantees to get into the under-deck for dry air, avoids the environmental under-deck evaporimeter to frost.
Drawings
Fig. 1 is a diagram of the present invention.
Detailed Description
The following provides a preferred embodiment of the present invention with reference to the accompanying drawings to explain the technical solutions of the present invention in detail.
As shown in figure 1, the low-temperature low-dew-point fresh air generating device for the environmental chamber of the utility model comprises a primary air inlet 1, a primary fresh air outlet 2, a dehumidifier inlet 3, a dehumidifier regenerated air inlet 4, a dehumidifier dry air outlet 5, a secondary fresh air inlet 6, a secondary fresh air outlet electric air valve 7, a secondary fresh air outlet 8, a fresh air temperature sensor 9, a primary fresh air temperature-reducing and dehumidifying evaporator 10, a secondary fresh air temperature-reducing and dehumidifying evaporator 11, a dehumidifier 12, a dehumidifier waste gas outlet 13, a fresh air pipeline 14 and a dehumidifier regenerated air manual air valve 15, wherein the primary air inlet 1 and the primary fresh air outlet 2 are respectively arranged at two sides of the primary fresh air temperature-reducing and dehumidifying evaporator 10, the primary fresh air outlet 2 is connected with the dehumidifier inlet 3 through the fresh air pipeline 14, the dehumidifier inlet 3 and the regenerated air inlet 4 are respectively arranged at two sides of the bottom end of, a dry air outlet 5 of the dehumidifier is positioned on one side of the top end of a dehumidifier 12, a secondary fresh air inlet 6 is positioned on one side of a secondary fresh air cooling and dehumidifying evaporator 11, a dehumidifier waste gas outlet 13 is connected with the dehumidifier 12, the secondary fresh air cooling and dehumidifying evaporator 11 is communicated with the dehumidifier 12 through a fresh air pipeline 14, a dehumidifier regenerated air manual air valve 15 is positioned on the fresh air pipeline 14, a secondary fresh air outlet electric air valve 7 is positioned on the other side of the secondary fresh air cooling and dehumidifying evaporator 11, a secondary fresh air outlet 8 is positioned on one side of the secondary fresh air outlet electric air valve 7, and a fresh air temperature sensor 9 is positioned at the secondary fresh air outlet 8.
The dry air outlet of the dehumidifier is connected with the fresh air pipeline, so that dry air can be conveniently output.
The normal temperature wet air enters from the primary air inlet, passes through the primary fresh air temperature-reducing and dehumidifying evaporator, the humidity in the normal temperature wet air is firstly dehumidified and the dew point is reduced by utilizing the refrigeration temperature-reducing and dehumidifying of the primary fresh air temperature-reducing and dehumidifying evaporator, the normal temperature wet air enters the dehumidifier from the dehumidifier inlet through the fresh air pipeline, the humidity is secondly dehumidified and the dew point is reduced by the dehumidifier, the normal temperature wet air is discharged from the dehumidifier dry air outlet and then is divided into two parts, one part of fresh air enters the dehumidifier from the dehumidifier regenerated air inlet through the dehumidifier regenerated air manual air valve and the fresh air pipeline, the small circulation can effectively improve the working efficiency of the dehumidifier, and the air intake of the dehumidifier regenerated air inlet can be adjusted through the dehumidifier regenerated air manual air valve so as to obtain the proper dry air quantity. The dry air from the dry air outlet of the dehumidifier enters the secondary fresh air inlet through the fresh air pipeline, the secondary fresh air temperature-reducing and dehumidifying evaporator is used for reducing the temperature and the humidity for the third time and reducing the dew point, and the electric air valve at the secondary fresh air outlet is opened and enters the test box from the secondary fresh air outlet. Fresh air temperature sensor measures fresh air temperature in real time, and the refrigerating capacity of the second-level fresh air cooling and dehumidifying evaporator is adjusted according to the measuring structure of the fresh air temperature sensor, so that fresh air temperature control is realized to operate in cooperation with the test box. The primary fresh air outlet is connected with the inlet of the dehumidifier, and the dehumidifier waste gas outlet 13 is used for discharging the wet air dehumidified by the dehumidifier.
To sum up, the utility model discloses realize being the new trend that the air transformation is low humidity low dew point of low temperature to the normal atmospheric temperature, automatically, according to the environmental compartment in the temperature and humidity control refrigeration with the dehumidification component, degree of automation is high, has the dehumidification function, guarantees to get into the under-deck for dry air, avoids the environmental compartment in the evaporimeter frosting.
The above-mentioned embodiments further explain the technical problems, technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned embodiments are only examples of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (2)
1. A low-temperature low-dew-point fresh air generating device for an environmental chamber is characterized by comprising a primary air inlet, a primary fresh air outlet, a dehumidifier inlet, a dehumidifier regenerated air inlet, a dehumidifier dry air outlet, a secondary fresh air inlet, a secondary fresh air outlet electric air valve, a secondary fresh air outlet, a fresh air temperature sensor, a primary fresh air cooling and dehumidifying evaporator, a secondary fresh air cooling and dehumidifying evaporator, a dehumidifier waste gas outlet, a fresh air pipeline and a dehumidifier regenerated air manual air valve, wherein the primary air inlet and the primary fresh air outlet are respectively positioned at two sides of the primary fresh air cooling and dehumidifying evaporator, the primary fresh air outlet and the dehumidifier inlet are connected through the fresh air pipeline, the dehumidifier inlet and the dehumidifier regenerated air inlet are respectively positioned at two sides of the bottom end of the dehumidifier, the dehumidifier dry air outlet is positioned at one side of the top end of the dehumidifier, and the secondary fresh air inlet is positioned at one side of the, a waste gas outlet of the dehumidifier is connected with the dehumidifier, the second-stage fresh air cooling and dehumidifying evaporator is communicated with the dehumidifier through a fresh air pipeline, a manual air valve for regenerating air of the dehumidifier is positioned on the fresh air pipeline, an electric air valve for the second-stage fresh air outlet is positioned on the other side of the second-stage fresh air cooling and dehumidifying evaporator, the second-stage fresh air outlet is positioned on one side of the electric air valve for the second-stage fresh air outlet, and a fresh air temperature sensor is positioned at the second-stage fresh air outlet.
2. The low-temperature low-dew-point fresh air generating device for the environmental chamber as claimed in claim 1, wherein the dehumidifier dry air outlet is connected with a fresh air pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920870011.3U CN210014586U (en) | 2019-06-11 | 2019-06-11 | Low-temperature low-dew-point fresh air generating device for environmental chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920870011.3U CN210014586U (en) | 2019-06-11 | 2019-06-11 | Low-temperature low-dew-point fresh air generating device for environmental chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210014586U true CN210014586U (en) | 2020-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920870011.3U Active CN210014586U (en) | 2019-06-11 | 2019-06-11 | Low-temperature low-dew-point fresh air generating device for environmental chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210014586U (en) |
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2019
- 2019-06-11 CN CN201920870011.3U patent/CN210014586U/en active Active
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