CN210014587U - Continuous fresh air dehumidifying device using evaporator - Google Patents
Continuous fresh air dehumidifying device using evaporator Download PDFInfo
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- CN210014587U CN210014587U CN201920885190.8U CN201920885190U CN210014587U CN 210014587 U CN210014587 U CN 210014587U CN 201920885190 U CN201920885190 U CN 201920885190U CN 210014587 U CN210014587 U CN 210014587U
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Abstract
The utility model discloses an utilize last new trend dehydrating unit of evaporimeter, it includes one-level new trend entry etc, one-level new trend entry is located one side of one-level new trend case, one-level new trend cooling dehumidification evaporimeter is located one-level new trend case, two second grade new trend case entries are located one side of second grade new trend A case respectively, one side of second grade new trend B case, one side of second grade new trend A case, one side of second grade new trend B case is connected with the opposite side of one-level new trend case through a first pipeline respectively, manual blast gate, the new trend fan of supplying air all is located first pipeline. The utility model discloses can carry out new trend dehumidification for a long time.
Description
Technical Field
The utility model relates to a dehydrating unit especially relates to an utilize lasting new trend dehydrating unit of evaporimeter.
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 of the output of untreated fresh air, the temperature and humidity parameters in the test chamber are out of control, the test requirements cannot be met, and the evaporator can be frosted due to the entrance of external moisture. Therefore, the introduced fresh air must be cooled and dehumidified.
In the fresh air processing system, dehumidification is usually realized by adopting a rotary dehumidifier, but the dehumidifier often causes the temperature of fresh air at an outlet to rise, and at the moment, refrigeration processing is additionally required. Therefore, it is necessary to design a continuous dehumidification system to replace the dehumidifier.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a last new trend dehydrating unit of utilizing the evaporimeter is provided, it can carry out the new trend for a long time and dehumidify.
The utility model discloses a solve above-mentioned technical problem through following technical scheme: a continuous fresh air dehumidifying device utilizing an evaporator is characterized by comprising a primary fresh air inlet, a primary fresh air cooling dehumidifying evaporator, a manual air valve, a fresh air supply fan, a secondary fresh air box inlet, a secondary fresh air A box cooling dehumidifying evaporator, a secondary fresh air B box cooling dehumidifying evaporator, a secondary fresh air A outlet air valve, a secondary fresh air B outlet air valve, a final fresh air outlet, a primary fresh air refrigerating valve, a secondary fresh air A box hot air defrosting valve, a secondary fresh air B box refrigerating valve, a secondary fresh air B box hot air defrosting valve, a refrigerating system air return pipe, a controller, a final fresh air temperature sensor, a primary fresh air temperature sensor, a secondary fresh air A box, a secondary fresh air B box and a primary fresh air box, wherein the primary fresh air inlet is positioned on one side of the primary fresh air box, the primary fresh air cooling dehumidifying evaporator is positioned in the primary fresh air box, the two inlets of the second-stage fresh air box are respectively positioned on one side of the second-stage fresh air A box and one side of the second-stage fresh air B box, one side of the second-stage fresh air A box and one side of the second-stage fresh air B box are respectively connected with the other side of the first-stage fresh air box through a first pipeline, the manual air valve and the fresh air supply fan are both positioned on the first pipeline, the cooling and dehumidifying evaporator of the second-stage fresh air A box is positioned in the second-stage fresh air A box, the outlet air valve of the second-stage fresh air A box, the refrigerating valve of the second-stage fresh air A box and the hot air defrosting valve of the second-stage fresh air A box are all positioned on the other side of the second-stage fresh air A box, the cooling valve of the first-stage fresh air B box is connected with the first-stage fresh air box, the second-stage fresh air A box, the second-stage fresh air B box, The first-stage fresh air box and the first-stage fresh air temperature sensor are connected with a return pipe of the refrigerating system, the second-stage fresh air A box, the second-stage fresh air B box and the final fresh air temperature sensor are connected with a final fresh air outlet, and the manual air valve, the second-stage fresh air A outlet air valve, the second-stage fresh air B outlet air valve, the first-stage fresh air refrigerating valve, the second-stage fresh air A box hot air defrosting valve, the second-stage fresh air B box refrigerating valve and the second-stage fresh air B box hot air defrosting valve are connected with the controller.
Preferably, the first-stage fresh air temperature and humidity reducing and removing evaporator, the fresh air A box temperature and humidity reducing and removing evaporator and the second-stage fresh air B box temperature and humidity reducing and removing evaporator are provided with cooling capacity by the same group of refrigerating systems.
The utility model discloses an actively advance the effect and lie in: the utility model discloses rotary dehumidifier is not used to with preceding cold system sharing compressor, save the cost. The utility model discloses an evaporimeter switches the dehumidification mode, can carry out the new trend for a long time and dehumidify.
Drawings
Fig. 1 is a schematic structural view of the continuous fresh air dehumidifying device using the evaporator of the present invention.
Fig. 2 is a schematic diagram of the evaporator according to 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 FIG. 1 and FIG. 2, the continuous fresh air dehumidifying device of the present invention comprises a first fresh air inlet 1, a first fresh air temperature-reducing dehumidifying evaporator 2, a manual air valve 3, a fresh air supply fan 4, a second fresh air box inlet 5, a second fresh air A box temperature-reducing dehumidifying evaporator 6, a second fresh air B box temperature-reducing dehumidifying evaporator 7, a second fresh air A outlet air valve 8, a second fresh air B outlet air valve 9, a final fresh air outlet 10, a first fresh air refrigerating valve 11, a second fresh air A box refrigerating valve 12, a second fresh air A box hot air defrosting valve 13, a second fresh air B box refrigerating valve 14, a second fresh air B box hot air defrosting valve 15, a refrigerating system air return pipe 16, a controller 17, a fresh air final temperature sensor 18, a first fresh air temperature sensor 19, a second fresh air A box 20, a second fresh air B box 21, and a first fresh air box 22, wherein the first fresh air inlet 1 is located on one side of the first fresh air box 22, the first-stage fresh air cooling and dehumidifying evaporator 2 is positioned in a first-stage fresh air box 22, two second-stage fresh air box inlets 5 are respectively positioned on one side of a second-stage fresh air A box 20 and one side of a second-stage fresh air B box 21, one side of the second-stage fresh air A box 20 and one side of the second-stage fresh air B box 21 are respectively connected with the other side of the first-stage fresh air box 22 through a first pipeline, a manual air valve 3 and a fresh air supply fan 4 are both positioned on the first pipeline, a second-stage fresh air A box cooling and dehumidifying evaporator 6 is positioned in the second-stage fresh air A box 20, a second-stage fresh air A box outlet air valve 8, a second-stage fresh air A box refrigerating valve 12 and a second-stage fresh air A box hot air defrosting valve 13 are all positioned on the other side of the second-stage fresh air A box 20, a second-stage fresh air B box cooling and dehumidifying evaporator 7 is positioned in the second-stage fresh air B box 21, a second-stage fresh air B outlet, the one-level new trend refrigeration valve is connected with the one-level new trend case, second grade new trend A case 20, second grade new trend B case 21, one-level new trend case 22, one-level new trend temperature sensor 19 all is connected with refrigerating system muffler 16, second grade new trend A case 20, second grade new trend B case 21, last new trend temperature sensor 18 all is connected with last new trend export 10, manual blast gate 3, second grade new trend A export blast gate 8, second grade new trend B export blast gate 9, one-level new trend refrigeration valve 11, second grade new trend A case refrigeration valve 12, second grade new trend A case steam defrosting valve 13, second grade new trend B case refrigeration valve 14, second grade new trend B case steam defrosting valve 15 all is connected with controller 17.
Normal atmospheric temperature air gets into one-level new trend case by one-level new trend entry, the controller passes through second grade new trend B export air valve, one-level new trend temperature sensor's feedback temperature, the temperature control of one-level new trend cooling dehumidification evaporimeter is between 0 degree centigrade to 5 degrees centigrade, guarantee that one-level new trend cooling dehumidification evaporimeter is not frozen when long-time suction normal atmospheric temperature air, do not influence refrigeration effect, feedback temperature through one-level new trend temperature sensor, the controller can control opening and shutting of one-level new trend refrigeration valve and realize temperature control.
The fresh air processed by the primary fresh air box is simultaneously sent into the inlet of the secondary fresh air box by the fresh air supply fan, and the temperature is set by the controller, and the refrigeration valve of the secondary fresh air A box and the refrigeration valve of the secondary fresh air B box are controlled by the feedback of the final fresh air temperature sensor to realize temperature control.
In order to guarantee the long-time supply of fresh air, the second-level fresh air box is divided into two boxes of a second-level fresh air A box and a second-level fresh air B box, and a second-level fresh air A outlet air valve and a second-level fresh air B outlet air valve are alternately opened through timing setting in the controller.
When the air valve of the second-level fresh air A outlet is closed, the refrigerating valve of the second-level fresh air A box is closed, the hot air defrosting valve of the second-level fresh air A box is opened, high-temperature gas discharged by the refrigerating system is injected into the second-level fresh air A box cooling and dehumidifying evaporator, the frost condensed by surface cooling and dehumidifying is removed, and the drying and smooth ventilation of the second-level fresh air A box cooling and dehumidifying evaporator are ensured.
When the air valve of the outlet of the second-stage fresh air B is closed, the refrigerating valve of the second-stage fresh air A box is closed, the hot air defrosting valve of the second-stage fresh air A box is opened, high-temperature gas discharged by a refrigerating system is injected into the second-stage fresh air B box cooling and dehumidifying evaporator, the frost condensed by surface cooling and dehumidifying is removed, and the drying and smooth ventilation of the new second-stage fresh air B box cooling and dehumidifying evaporator are ensured.
The cold start test device is switched alternately and circularly to ensure long-time fresh air supply so as to ensure that the cold start test is carried out on an automobile engine or the whole automobile (various automobile types such as a bus, a truck, a car and the like) at low temperature.
Wherein the first-stage fresh air temperature and humidity reducing evaporator, the fresh air A box temperature and humidity reducing evaporator and the second-stage fresh air B box temperature and humidity reducing evaporator are provided with cold energy by the same group of refrigerating systems, and the cost is saved by a common compressor. The utility model discloses do not use rotary dehumidifier to realize cooling dehumidification, supply with the new trend.
The air of normal atmospheric temperature is got into level new trend case by one-level new trend entry, cool down the dehumidification for the first time behind the evaporator of drying by one-level new trend, can adjust the suction volume of new trend air supply fan through manual blast gate, new trend air supply fan sends into second grade new trend case entry simultaneously through the new trend of first cooling dehumidification, cool down the dehumidification for the second time through second grade new trend A case cooling dehumidification evaporator and second grade new trend B case cooling dehumidification evaporator, discharge by second grade new trend A export blast gate and second grade new trend B export blast gate, from the export of final new trend entering test box.
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 continuous fresh air dehumidifying device utilizing an evaporator is characterized by comprising a primary fresh air inlet, a primary fresh air cooling dehumidifying evaporator, a manual air valve, a fresh air supply fan, a secondary fresh air box inlet, a secondary fresh air A box cooling dehumidifying evaporator, a secondary fresh air B box cooling dehumidifying evaporator, a secondary fresh air A outlet air valve, a secondary fresh air B outlet air valve, a final fresh air outlet, a primary fresh air refrigerating valve, a secondary fresh air A box hot air defrosting valve, a secondary fresh air B box refrigerating valve, a secondary fresh air B box hot air defrosting valve, a refrigerating system air return pipe, a controller, a final fresh air temperature sensor, a primary fresh air temperature sensor, a secondary fresh air A box, a secondary fresh air B box and a primary fresh air box, wherein the primary fresh air inlet is positioned on one side of the primary fresh air box, the primary fresh air cooling dehumidifying evaporator is positioned in the primary fresh air box, the two inlets of the second-stage fresh air box are respectively positioned on one side of the second-stage fresh air A box and one side of the second-stage fresh air B box, one side of the second-stage fresh air A box and one side of the second-stage fresh air B box are respectively connected with the other side of the first-stage fresh air box through a first pipeline, the manual air valve and the fresh air supply fan are both positioned on the first pipeline, the cooling and dehumidifying evaporator of the second-stage fresh air A box is positioned in the second-stage fresh air A box, the outlet air valve of the second-stage fresh air A box, the refrigerating valve of the second-stage fresh air A box and the hot air defrosting valve of the second-stage fresh air A box are all positioned on the other side of the second-stage fresh air A box, the cooling valve of the first-stage fresh air B box is connected with the first-stage fresh air box, the second-stage fresh air A box, the second-stage fresh air B box, The first-stage fresh air box and the first-stage fresh air temperature sensor are connected with a return pipe of the refrigerating system, the second-stage fresh air A box, the second-stage fresh air B box and the final fresh air temperature sensor are connected with a final fresh air outlet, and the manual air valve, the second-stage fresh air A outlet air valve, the second-stage fresh air B outlet air valve, the first-stage fresh air refrigerating valve, the second-stage fresh air A box hot air defrosting valve, the second-stage fresh air B box refrigerating valve and the second-stage fresh air B box hot air defrosting valve are connected with the controller.
2. The continuous fresh air dehumidifying device using an evaporator as claimed in claim 1, wherein the primary fresh air temperature-reducing dehumidifying evaporator, the fresh air box a temperature-reducing dehumidifying evaporator and the secondary fresh air box B temperature-reducing dehumidifying evaporator are supplied with cooling energy by the same refrigerating system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920885190.8U CN210014587U (en) | 2019-06-13 | 2019-06-13 | Continuous fresh air dehumidifying device using evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920885190.8U CN210014587U (en) | 2019-06-13 | 2019-06-13 | Continuous fresh air dehumidifying device using evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210014587U true CN210014587U (en) | 2020-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920885190.8U Active CN210014587U (en) | 2019-06-13 | 2019-06-13 | Continuous fresh air dehumidifying device using evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210014587U (en) |
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2019
- 2019-06-13 CN CN201920885190.8U patent/CN210014587U/en active Active
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