CN216783222U - Vehicle-mounted air conditioner - Google Patents
Vehicle-mounted air conditioner Download PDFInfo
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- CN216783222U CN216783222U CN202220275246.XU CN202220275246U CN216783222U CN 216783222 U CN216783222 U CN 216783222U CN 202220275246 U CN202220275246 U CN 202220275246U CN 216783222 U CN216783222 U CN 216783222U
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- air duct
- heat dissipation
- electronic control
- air conditioner
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Abstract
The embodiment of the application provides a vehicle-mounted air conditioner, which comprises a shell and an electric control assembly, wherein the shell is provided with an indoor heat exchange cavity, the indoor heat exchange cavity is provided with an indoor air inlet and an indoor air outlet, and an airflow circulation path is formed between the indoor air inlet and the indoor air outlet; the electric control assembly is arranged in the shell and comprises an electric control module and a heat dissipation air channel, and the heat dissipation air channel is communicated with the air flow circulation path so that part of air flow on the air flow circulation path flows through the heat dissipation air channel to dissipate heat of the electric control module. The electric control module of the vehicle-mounted air conditioner provided by the embodiment of the application has a good heat dissipation effect.
Description
Technical Field
The application relates to the technical field of air conditioners, in particular to a vehicle-mounted air conditioner.
Background
The integral vehicle-mounted air conditioner is more and more widely applied to a large truck due to the advantages of easy passing inspection, compact structure and the like, and the integral vehicle-mounted air conditioner has the problem of poor heat dissipation effect of an electric control module in the related technology.
SUMMERY OF THE UTILITY MODEL
In view of this, the present application provides an on-vehicle air conditioner with a good heat dissipation effect of an electronic control module.
In order to achieve the above object, an embodiment of the present application provides an on-vehicle air conditioner, including:
the indoor heat exchange cavity is provided with an indoor air inlet and an indoor air outlet, and an airflow circulation path is formed between the indoor air inlet and the indoor air outlet;
the electronic control assembly is arranged in the shell and comprises an electronic control module and a heat dissipation air channel, and the heat dissipation air channel is communicated with the airflow circulation path so that part of airflow on the airflow circulation path flows through the heat dissipation air channel to dissipate heat of the electronic control module.
In one embodiment, the vehicle-mounted air conditioner comprises an evaporator assembly arranged in the indoor heat exchange cavity, and the electric control assembly is positioned on one side, close to the indoor air outlet, of the evaporator assembly.
In one embodiment, the electronic control assembly comprises an air duct switch, and the air duct switch is used for opening or closing the heat dissipation air duct.
In one embodiment, the air duct switch includes a cover plate movably disposed at an inlet of the heat dissipation air duct, and a driving assembly drivingly connected to the cover plate.
In one embodiment, the driving assembly includes a driving motor and a transmission member, and the driving motor drives the cover plate to open or close the heat dissipation air duct through the transmission member.
In one embodiment, the transmission member includes a first connecting rod and a second connecting rod, a first end of the first connecting rod is connected to the driving motor, a second end of the first connecting rod is rotatably connected to a first end of the second connecting rod, and a second end of the second connecting rod is rotatably connected to the cover plate.
In one embodiment, the cover plate and the electronic control module are provided with guide grooves on side walls, and the other side wall is provided with protrusions which are matched with the guide grooves to guide the cover plate.
In one embodiment, a first thermal bulb is disposed in the electronic control module.
In one embodiment, a second thermal bulb is disposed in the heat dissipation air duct.
In one embodiment, the first bulb detection temperature is T1, the second bulb detection temperature is T2, and the temperature difference between T1 and T2 is T3;
if the temperature T3 is greater than or equal to a first preset temperature, the air duct switch is used for closing the heat dissipation air duct;
if the temperature T3 is less than or equal to a second preset temperature, the air duct switch is used for opening the heat dissipation air duct;
wherein the first preset temperature is higher than the second preset temperature.
In one embodiment, the default state of the air duct switch is an open state for opening the heat dissipation air duct.
In one embodiment, the heat dissipation air duct gradually shrinks from the inlet of the heat dissipation air duct to the outlet of the heat dissipation air duct.
The vehicle-mounted air conditioner provided by the embodiment of the application can guide part of air flow on the air flow circulation path in the indoor heat exchange cavity into the heat dissipation air duct by setting the heat dissipation air duct communicated with the air flow circulation path so as to dissipate heat of the electric control module, and therefore the heat dissipation effect of the vehicle-mounted air conditioner can be improved, and the experience of a user is further improved.
Drawings
Fig. 1 is a schematic structural diagram of a vehicle air conditioner according to an embodiment of the present application, wherein a direction indicated by a continuous arrow is an airflow direction;
FIG. 2 is a schematic structural view of the electronic control assembly shown in FIG. 1;
FIG. 3 is a schematic view of a connection structure between the air duct switch and the heat dissipation air duct shown in FIG. 1;
fig. 4 is a flowchart illustrating an operation of an air duct switch according to an embodiment of the present application.
Description of the reference numerals
A housing 10; an indoor heat exchange chamber 10 a; an electronic control assembly 20; an electronic control module 21; the projections 21 a; a heat dissipation air duct 22; an air duct switch 23; a cover plate 231; the guide groove 231 a; a drive assembly 232; a drive motor 2321; a first link 2322; a second link 2323; a first bulb 24; a second bulb 25; an evaporator assembly 30.
Detailed Description
It should be noted that, in the present application, technical features in examples and embodiments may be combined with each other without conflict, and the detailed description in the specific embodiment should be understood as an explanation of the gist of the present application and should not be construed as an improper limitation to the present application.
The embodiment of the application provides a vehicle-mounted air conditioner, please refer to fig. 1 to 3, which includes a housing 10 and an electric control assembly 20, wherein the housing 10 has an indoor heat exchange cavity 10a, the indoor heat exchange cavity 10a has an indoor air inlet and an indoor air outlet, and an airflow circulation path is formed between the indoor air inlet and the indoor air outlet; the electronic control assembly 20 is disposed in the housing 10, the electronic control assembly 20 includes an electronic control module 21 and a heat dissipation air duct 22, and the heat dissipation air duct 22 is communicated with the air flow circulation path, so that a part of the air flow on the air flow circulation path flows through the heat dissipation air duct 22 to dissipate heat of the electronic control module 21.
Specifically, the "indoor heat exchange cavity 10 a" refers to a heat exchange cavity communicating with the inside of the vehicle when the vehicle-mounted air conditioner is mounted on the vehicle, and the "outdoor heat exchange cavity" refers to a heat exchange cavity communicating with the outside of the vehicle.
The electric control module 21 comprises an electric control box and components located in the electric control box, and the electric control module 21 is used for controlling the operation of the vehicle-mounted air conditioner.
The part of the airflow flowing through the heat dissipation air duct 22 mainly refers to airflow flowing along the airflow path when the vehicle air conditioner is in operation, and the airflow may be airflow after heat exchange by the evaporator assembly 30 or airflow before heat exchange by the evaporator assembly 30.
The electronic control assembly 20 may be disposed in the indoor heat exchange cavity 10a, or may be disposed outside the indoor heat exchange cavity 10a, or may be partially disposed in the indoor heat exchange cavity 10a, as long as the heat dissipation air duct 22 is communicated with the air flow path.
In the correlation technique, vehicle air conditioner's electronic control module sets up at outdoor heat transfer chamber, take away electronic control module's heat through the air flow, this radiating effect of radiating mode is poor, outdoor heat transfer chamber's air temperature is generally higher, the car is when the walking, the heat that electronic control module gived off can be offset to this radiating mode, nevertheless when the car stops not to go, the heat can't reach the balance, make electronic control module's temperature uprise, when the temperature reaches the certain degree, can be to vehicle air conditioner's fan frequency limiting, and then influence the refrigeration effect.
The vehicle-mounted air conditioner provided by the embodiment of the application can guide part of air flow on the air flow circulation path in the indoor heat exchange cavity 10a into the heat dissipation air duct 22 by arranging the heat dissipation air duct 22 communicated with the air flow circulation path, so as to dissipate heat of the electric control module 21, and therefore, the heat dissipation effect of the vehicle-mounted air conditioner can be improved, and further, the experience of a user is improved.
The electronic control module 21 according to the embodiment of the application may be disposed in the heat dissipation air duct 22, or may be disposed at one side of the heat dissipation air duct 22, and the airflow in the heat dissipation air duct 22 flows through the surface of the electronic control module 21 to dissipate heat of the electronic control module 21.
In one embodiment, referring to fig. 1, the vehicle air conditioner includes an evaporator assembly 30 disposed in the indoor heat exchange cavity 10a, and the electronic control assembly 20 is located at a side of the evaporator assembly 30 close to the indoor air outlet.
Referring to fig. 1, the vehicle air conditioner includes an indoor heat exchange cavity 10a, the indoor heat exchange cavity 10a has an indoor air inlet and an indoor air outlet, an evaporator assembly 30 and an evaporation fan are disposed inside the indoor heat exchange cavity 10a, and the evaporation fan is configured to guide indoor air to enter the indoor heat exchange cavity 10a from the indoor air inlet, then pass through the evaporator assembly 30, and finally be discharged into the room from the indoor air outlet. The outdoor heat exchange cavity is provided with an outdoor air inlet and an outdoor air outlet, the outdoor heat exchange cavity is internally provided with a condenser assembly and a condensing fan, and the condensing fan is used for guiding outdoor air to enter the outdoor heat exchange cavity from the outdoor air inlet, then to pass through the condenser assembly and finally to be discharged outdoors from the outdoor air outlet. The refrigerant compressed by the compressor circularly flows in the condenser assembly, the evaporator assembly 30, the compressor and the connector pipeline structure, so that the heat exchange is realized, and the purpose of adjusting the indoor temperature is finally achieved.
Referring to fig. 1, the electronic control assembly 20 is located at a side of the evaporator assembly 30 close to the indoor air outlet, that is, the air flow in the indoor heat exchange cavity 10a passes through the evaporator assembly 30 and then enters the heat dissipation air duct 22, and the air flow exchanges heat with the evaporator assembly 30 when passing through the evaporator assembly 30, and the temperature of the air flow after heat exchange is low, so that the electronic control assembly 20 is located at a side of the evaporator assembly 30 close to the indoor air outlet, and the heat dissipation effect of the electronic control module 21 can be improved.
In some embodiments, the electronic control assembly 20 is located on a side of the evaporator assembly 30 adjacent to the indoor air intake.
In one embodiment, referring to fig. 2 and 3, the electronic control assembly 20 includes an air duct switch 23, and the air duct switch 23 is used to open or close the heat dissipation air duct 22.
In order to prevent the temperature difference between the inside of the electronic control module 21 and the inside of the heat dissipation air duct 22 from being too large, and further to cause the inside of the electronic control module 21 to generate condensation water drops, the air duct switch 23 is used for opening or closing the heat dissipation air duct 22 by setting the air duct switch 23, so that the condensation water drops can be prevented from being generated inside the electronic control module 21 while the electronic control module 21 is cooled.
It should be noted that the specific arrangement form and the position relationship of the heat dissipation air duct 22 and the air duct switch 23 are not limited herein, as long as the air duct switch 23 opens or closes the heat dissipation air duct 22, and further controls whether the air flow can flow through the heat dissipation air duct 22, for example, referring to fig. 3, the air duct switch 23 is movably disposed at the inlet of the heat dissipation air duct 22.
In an embodiment, referring to fig. 2, a first thermal bulb 24 is disposed in the electronic control module 21 for detecting the temperature in the electronic control module 21, so as to prevent the temperature in the electronic control module 21 from being too high or generating condensation water drops due to too large temperature difference with the inside of the heat dissipation air duct 22.
In an embodiment, referring to fig. 2, a second thermal bulb 25 is disposed in the heat dissipation air duct 22 for detecting the temperature inside the heat dissipation air duct 22, so as to prevent condensation water drops from being generated in the heat dissipation air duct 22 due to an excessive temperature difference between the temperature inside the heat dissipation air duct 22 and the temperature inside the heat dissipation air duct 22.
In one embodiment, the first bulb 24 detects a temperature T1, the second bulb 25 detects a temperature T2, and the temperature difference between T1 and T2 is T3;
if T3 is greater than or equal to the first preset temperature, the air duct switch 23 is configured to close the heat dissipation air duct 22;
if T3 is less than or equal to the second preset temperature, the air duct switch 23 is used to open the heat dissipation air duct 22;
wherein the first preset temperature is higher than the second preset temperature.
Wherein, the value of first preset temperature and second preset temperature is moderate in order to guarantee the inside difference in temperature with heat dissipation wind channel 22 of electronic control module 21, and it is less to avoid the inside difference in temperature with heat dissipation wind channel 22 of electronic control module 21, and it is not good to result in the radiating effect of electronic control module 21, perhaps avoids the inside difference in temperature with heat dissipation wind channel 22 of electronic control module 21 inside great, leads to the inside of electronic control module 21 to produce the condensation drop.
It should be noted that, if T3 is greater than or equal to the first preset temperature, it indicates that the temperature difference between the inside of the electronic control module 21 and the inside of the heat dissipation air duct 22 is large, and at this time, condensation water drops are easily generated inside the electronic control module 21, so that the air duct switch 23 closes the heat dissipation air duct 22, and the air flow on the air flow path cannot enter the heat dissipation air duct 22, so as to prevent the inside of the electronic control module 21 from easily generating condensation water drops; since the airflow on the airflow path cannot enter the heat dissipation air duct 22, the temperature difference between the inside of the electronic control module 21 and the inside of the heat dissipation air duct 22 is gradually decreased, so that T3 is maintained between the first preset temperature and the second preset temperature.
If T3 is less than or equal to the second preset temperature, it indicates that the temperature difference between the inside of the electronic control module 21 and the inside of the heat dissipation air duct 22 is small, and at this time, the heat dissipation effect of the air flow in the heat dissipation air duct 22 on the electronic control module 21 is poor, and in order to prevent the temperature in the electronic control module 21 from being too high, therefore, the air duct switch 23 opens the heat dissipation air duct 22, and the air flow on the air flow path enters the heat dissipation air duct 22, so that condensation water drops can be prevented from being generated in the inside of the electronic control module 21 while heat is dissipated from the electronic control module 21; since the airflow on the airflow path enters the heat dissipation air duct 22, the temperature difference between the inside of the electronic control module 21 and the inside of the heat dissipation air duct 22 gradually increases, so that T3 is maintained between the first preset temperature and the second preset temperature.
In one embodiment, the default state of the air duct switch 23 is an open state for opening the heat dissipation air duct 22. Since the temperature difference between the inside of the electronic control module 21 and the inside of the heat dissipation air duct 22 is small when the vehicle air conditioner starts to operate, by setting the heat dissipation air duct 22 to be in the open state, the air flow on the air flow path enters the heat dissipation air duct 22, so that the temperature T3 is maintained between the first preset temperature and the second preset temperature.
In some embodiments, the default state of the air duct switch 23 is a closed state in which the heat dissipation air duct 22 is closed. By detecting the relationship between T3 and the first preset temperature and the second preset temperature, it is determined whether the cooling air duct 22 is adjusted to the open state or the closed state.
In a specific embodiment, please refer to fig. 4, when the vehicle-mounted air conditioner starts to operate, the default state of the air duct switch 23 is the open state of opening the heat dissipation air duct 22, after the vehicle-mounted air conditioner operates for about 2 minutes, the temperature T1 of the electronic control module 21 is detected by the first temperature sensing bulb 24, the temperature T2 of the heat dissipation air duct 22 is detected by the second temperature sensing bulb 25, the state of the air duct switch 23 is controlled according to the temperature difference T3 between T1 and T2, and if T3 is greater than or equal to the first preset temperature, the air duct switch 23 is used for closing the heat dissipation air duct 22, so that the T3 is kept between the first preset temperature and the second preset temperature; if T3 is less than or equal to the second predetermined temperature, the air duct switch 23 is used to open the heat dissipation air duct 22, so that T3 is maintained between the first predetermined temperature and the second predetermined temperature.
In one embodiment, referring to fig. 3, the air duct switch 23 includes a cover plate 231 and a driving assembly 232, the cover plate 231 is movably disposed at an inlet of the heat dissipation air duct 22, the driving assembly 232 is drivingly connected to the cover plate 231, and the driving assembly 232 drives the cover plate 231 to move so as to close or open the heat dissipation air duct 22.
In addition, the moving distance of the cover plate 231 can be controlled by the driving assembly 232 to control the opening size of the inlet of the heat dissipation air duct 22, and further, the air volume entering the heat dissipation air duct 22 is controlled to control the temperature inside the heat dissipation air duct 22.
In some embodiments, the cover plate 231 is movably disposed within the cooling air duct 22, such as at the outlet of the cooling air duct 22, or between the inlet and the outlet of the cooling air duct 22.
In one embodiment, the driving assembly 232 includes a driving motor 2321 and a transmission member, and the driving motor 2321 drives the cover plate 231 to open or close the heat dissipation air duct 22 through the transmission member.
The specific arrangement position of the driving motor 2321 is not limited herein, and the driving motor 2321 is disposed in the electronic control module 21 by way of example.
In one embodiment, referring to fig. 3, the transmission member includes a first link 2322 and a second link 2323, a first end of the first link 2322 is connected to the driving motor 2321, a second end of the first link 2322 is rotatably connected to a first end of the second link 2323, and a second end of the second link 2323 is rotatably connected to the cover plate 231.
The first end of the first link 2322 is fixedly connected to the driving motor 2321, the driving motor 2321 drives the first link 2322 to rotate, the first link 2322 drives the second link 2323 to rotate, and the second link 2323 drives the cover plate 231 to move, so that the cover plate 231 opens or closes the heat dissipation air duct 22.
Referring to fig. 3, the cover 231 translates to open or close the heat dissipating air duct 22.
In some embodiments, the cover 231 is rotated to open or close the heat dissipation duct 22.
In one embodiment, the cover plate 231 has a guide slot 231a on a side wall thereof, and the electronic control module 21 has a protrusion 21a on a side wall thereof, wherein the protrusion 21a cooperates with the guide slot 231a to guide the cover plate 231.
The extending direction of the guide slot 231a is the same as the moving direction of the cover plate 231, the driving motor 2321 drives the first link 2322 to rotate, the first link 2322 drives the second link 2323 to rotate, the second link 2323 rotates relative to the cover plate 231 and drives the cover plate 231 to move along the extending direction of the guide slot 231a, so that the cover plate 231 opens or closes the heat dissipation air duct 22.
It is understood that the guide groove 231a may or may not be a through groove.
In some embodiments, the side wall of the electronic control module 21 has a guide slot 231a, and the side wall of the cover plate 231 has a protrusion 21a, and the protrusion 21a cooperates with the guide slot 231a to guide the cover plate 231.
In some embodiments, the cover plate 231 has a guide slot 231a on a side wall thereof, and the heat dissipation duct 22 has a protrusion 21a on a side wall thereof, wherein the protrusion 21a cooperates with the guide slot 231a to guide the cover plate 231.
In an embodiment, referring to fig. 2 and fig. 3, the heat-dissipating air duct 22 gradually shrinks from the inlet of the heat-dissipating air duct 22 to the outlet of the heat-dissipating air duct 22, so that the air flow enters the heat-dissipating air duct 22 and flows in the heat-dissipating air duct 22, thereby improving the heat-dissipating effect of the electronic control module 21.
The various embodiments/implementations provided herein may be combined with each other without contradiction.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application are included in the protection scope of the present application.
Claims (11)
1. An in-vehicle air conditioner, characterized by comprising:
the air conditioner comprises a shell (10), wherein the shell (10) is provided with an indoor heat exchange cavity (10a), the indoor heat exchange cavity (10a) is provided with an indoor air inlet and an indoor air outlet, and an air flow circulation path is formed between the indoor air inlet and the indoor air outlet;
the electronic control assembly (20) is arranged in the shell (10), the electronic control assembly (20) comprises an electronic control module (21) and a heat dissipation air duct (22), and the heat dissipation air duct (22) is communicated with the air flow circulation path, so that part of air flow on the air flow circulation path flows through the heat dissipation air duct (22) to dissipate heat of the electronic control module (21).
2. The vehicle air conditioner according to claim 1, wherein the vehicle air conditioner comprises an evaporator assembly (30) disposed in the indoor heat exchange chamber (10a), and the electronic control assembly (20) is located on a side of the evaporator assembly (30) close to the indoor air outlet.
3. The vehicle air conditioner according to claim 2, wherein the electronic control assembly (20) includes a duct switch (23), and the duct switch (23) is used for opening or closing the heat dissipation duct (22).
4. The vehicle air conditioner according to claim 3, wherein the air duct switch (23) includes a cover plate (231) and a driving assembly (232), the cover plate (231) is movably disposed at an inlet of the heat dissipation air duct (22), and the driving assembly (232) is drivingly connected with the cover plate (231).
5. The vehicle air conditioner according to claim 4, wherein the driving assembly (232) comprises a driving motor (2321) and a transmission member, and the driving motor (2321) drives the cover plate (231) to open or close the heat dissipation air duct (22) through the transmission member.
6. The vehicle air conditioner according to claim 5, wherein the transmission member includes a first link (2322) and a second link (2323), a first end of the first link (2322) is connected to the driving motor (2321), a second end of the first link (2322) is rotatably connected to a first end of the second link (2323), and a second end of the second link (2323) is rotatably connected to the cover plate (231).
7. The on-vehicle air conditioner according to claim 4, wherein one of the cover plate (231) and the electronic control module (21) has a guide groove (231a) on a side wall thereof, and the other has a protrusion (21a) on a side wall thereof, and the protrusion (21a) cooperates with the guide groove (231a) to guide the cover plate (231).
8. The vehicle air conditioner according to any one of claims 3-7, characterized in that a first thermal bulb (24) is arranged in the electric control module (21); and/or
And a second temperature sensing bulb (25) is arranged in the heat dissipation air duct (22).
9. The vehicle air conditioner according to claim 8, wherein the first bulb (24) detects a temperature of T1, the second bulb (25) detects a temperature of T2, and a temperature difference between T1 and T2 is T3;
if T3 is greater than or equal to a first preset temperature, the air duct switch (23) is used for closing the heat dissipation air duct (22);
if T3 is less than or equal to a second preset temperature, the air duct switch (23) is used for opening the heat dissipation air duct (22);
wherein the first preset temperature is higher than the second preset temperature.
10. The on-vehicle air conditioner according to claim 9, wherein the default state of the air duct switch (23) is an open state that opens the heat dissipation air duct (22).
11. The vehicle air conditioner according to claim 1, wherein the cooling air duct (22) is gradually contracted from an inlet of the cooling air duct (22) to an outlet of the cooling air duct (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220275246.XU CN216783222U (en) | 2022-02-10 | 2022-02-10 | Vehicle-mounted air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220275246.XU CN216783222U (en) | 2022-02-10 | 2022-02-10 | Vehicle-mounted air conditioner |
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| Publication Number | Publication Date |
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| CN216783222U true CN216783222U (en) | 2022-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220275246.XU Active CN216783222U (en) | 2022-02-10 | 2022-02-10 | Vehicle-mounted air conditioner |
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| CN (1) | CN216783222U (en) |
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- 2022-02-10 CN CN202220275246.XU patent/CN216783222U/en active Active
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