CN111775659A - Overhead air conditioning device and automobile - Google Patents
Overhead air conditioning device and automobile Download PDFInfo
- Publication number
- CN111775659A CN111775659A CN202010770962.0A CN202010770962A CN111775659A CN 111775659 A CN111775659 A CN 111775659A CN 202010770962 A CN202010770962 A CN 202010770962A CN 111775659 A CN111775659 A CN 111775659A
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- China
- Prior art keywords
- air
- overhead
- blower
- air inlet
- air conditioning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H1/00514—Details of air conditioning housings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H3/00—Other air-treating devices
- B60H3/06—Filtering
- B60H3/0608—Filter arrangements in the air stream
Abstract
The invention relates to the technical field of automobile parking air conditioners, in particular to an overhead air conditioning device and an automobile. The overhead air conditioning device comprises a shell, wherein the shell is provided with a fresh air inlet, an internal circulation air inlet and an air supply outlet; a filter screen, a blower and an internal and external circulation switching air door are arranged in the shell, and an air outlet of the blower is communicated with the air supply outlet; the internal and external circulation switching air door is configured to communicate the internal circulation air inlet with the air inlet of the air blower through the filter screen in an internal circulation mode, and communicate the fresh air inlet with the air inlet of the air blower through the filter screen in an external circulation mode. The overhead air conditioning device provided by the invention has the advantages that the internal circulation and the external circulation share one filter screen, so that the space and the cost are saved.
Description
Technical Field
The invention relates to the technical field of automobile parking air conditioners, in particular to an overhead air conditioning device and an automobile.
Background
Although the existing parking air conditioner is added with the internal circulation air purification function and the outdoor fresh air introduction function, the utilization rate of the parking air conditioner is improved, and the air quality in a cab is also improved, the existing internal circulation and the existing external circulation are unreasonable in path design, and are respectively filtered by a filter element, so that the occupied space is large, and the cost is higher.
Disclosure of Invention
The first purpose of the present invention is to provide an overhead air conditioner, so as to alleviate the technical problems of the prior art that the internal circulation and the external circulation are filtered by using a filter element, the occupied space is large, and the cost is high.
The second purpose of the present invention is to provide an automobile to alleviate the technical problems of large occupied space and high cost caused by the fact that the internal circulation and the external circulation in the prior art are respectively filtered by one filter element.
Based on the first purpose, the invention provides an overhead air conditioning device, which comprises a shell, wherein the shell is provided with a fresh air inlet, an internal circulation air inlet and an air supply outlet; a filter screen, a blower and an internal and external circulation switching air door are arranged in the shell, and an air outlet of the blower is communicated with the air supply outlet; the internal and external circulation switching air door is configured to communicate the internal circulation air inlet with the air inlet of the air blower through the filter screen in an internal circulation mode, and communicate the fresh air inlet with the air inlet of the air blower through the filter screen in an external circulation mode.
Further, in some optional embodiments, an air outlet is provided at the top of the housing, the housing is provided with a ventilation port and a ventilation damper, and the ventilation damper is configured to open the ventilation port in a ventilation mode so that the internal circulation air inlet communicates with the air outlet.
Further, in some optional embodiments, a condensation fan is disposed inside the casing, an air inlet of the condensation fan can be communicated with the air vent, and an air outlet of the condensation fan is communicated with the air outlet.
Further, in some alternative embodiments, the ventilation damper is hinged to the housing by a hinge.
Further, in certain alternative embodiments, the shaft is a damped shaft.
Further, in some alternative embodiments, the rotating shaft is used for being in transmission connection with a power output end of the driving mechanism.
Further, in some optional embodiments, the air conditioner further comprises a condenser, wherein the condenser is positioned below the condensing fan, and the ventilation damper is positioned between the internal and external circulation switching damper and the condenser.
Further, in some optional embodiments, an evaporator is disposed inside the housing, the filter screen is disposed at one side of the evaporator, and the blower is disposed at the other side of the evaporator.
Further, in some optional embodiments, a first air duct and a second air duct are disposed inside the housing, and the internal and external circulation switching damper is configured to open the first air duct and close the second air duct in an internal circulation mode, and open the second air duct and close the first air duct in an external circulation mode.
Further, in some optional embodiments, the overhead air conditioning unit further comprises a control unit, and the inside-outside circulation switching damper and the ventilation damper are connected to the control unit.
In view of the second object, the present invention also provides an automobile including the overhead air conditioning unit.
Further, in certain alternative embodiments, the entire vehicle battery of the vehicle is used to power the overhead air conditioning unit.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides an overhead air conditioning device, which comprises a shell, wherein the shell is provided with a fresh air inlet, an internal circulation air inlet and an air supply outlet; a filter screen, a blower and an internal and external circulation switching air door are arranged in the shell, and an air outlet of the blower is communicated with the air supply outlet; the internal and external circulation switching air door is configured to communicate the internal circulation air inlet with the air inlet of the air blower through the filter screen in an internal circulation mode, and communicate the fresh air inlet with the air inlet of the air blower through the filter screen in an external circulation mode.
Based on the structure, the overhead air conditioning device provided by the invention has the advantages that the internal circulation and the external circulation share one filter screen, so that the space and the cost are saved. When the air conditioner is used, the shell is installed at the top of a cab of an automobile, the internal and external circulation switching air door works, under the internal circulation mode, air in the cab enters the internal circulation air inlet, passes through the filter screen and then enters the air inlet of the air blower, and the air blower discharges the filtered air to the air supply outlet so as to send the air into the cab. In the external circulation mode, outside air enters a fresh air inlet, passes through the filter screen and then enters an air inlet of the air blower, and the air blower discharges the filtered air to an air supply outlet and then returns to the cab.
The automobile provided by the invention uses the overhead air conditioning device provided by the invention, and the internal circulation and the external circulation share one filter screen, so that the space and the cost are saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural view of an overhead air conditioning unit according to a first embodiment of the present invention;
fig. 2 is a schematic view of an overhead air conditioning unit according to an embodiment of the present invention in an internal circulation mode;
fig. 3 is a schematic view of an overhead air conditioning unit in an external circulation mode according to a first embodiment of the present invention;
fig. 4 is a schematic view of an overhead air conditioning unit in a ventilation mode according to an embodiment of the present invention.
Icon: 101-an upper shell; 102-fresh air inlet; 103-an internal circulation air inlet; 104-air supply outlet; 105-a filter screen; 106-internal and external circulation switching air door; 107-a blower; 108-an evaporator; 109-a condenser; 110-a condensing fan; 111-air outlet; 112-ventilation damper; 113-a rotating shaft; 114-a backplane; 115-lower shell.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientations or positional relationships are based on those shown in the drawings only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
Referring to fig. 1 to 4, the present embodiment provides an overhead air conditioner, which includes a housing, the housing is provided with a fresh air inlet 102, an internal circulation air inlet 103 and an air supply outlet 104; a filter screen 105, a blower 107 and an internal and external circulation switching air door 106 are arranged in the shell, and an air outlet of the blower 107 is communicated with the air supply outlet 104; the inner and outer circulation switching damper 106 is configured to communicate the inner circulation intake port 103 with the intake port of the blower 107 through the filter screen 105 in the inner circulation mode, and communicate the fresh air intake port 102 with the intake port of the blower 107 through the filter screen 105 in the outer circulation mode.
Based on this structure, the overhead air conditioner of the present embodiment uses the filter screen 105 for both the internal circulation and the external circulation, thereby saving space and cost. In use, the housing is mounted on top of the cab of the vehicle and the internal and external circulation switching damper 106 is operated, as shown in figure 2, in the internal circulation mode, air in the cab enters the internal circulation inlet 103, passes through the filter screen 105 and enters the inlet of the blower 107, and the blower 107 discharges the filtered air to the outlet 104 and then back to the cab. Referring to fig. 3, in the external circulation mode, the external air enters the fresh air inlet 102, passes through the filter screen 105, enters the air inlet of the blower 107, and the blower 107 discharges the filtered air to the air outlet 104 and then sends the filtered air into the cab.
Specifically, referring to fig. 1, the housing in this embodiment includes an upper housing 101, a bottom plate 114, and a lower housing 115, where the upper housing 101 and the lower housing 115 are respectively fixedly connected to the bottom plate 114, and the upper housing 101 is located above the bottom plate 114, and the lower housing 115 is located below the bottom plate 114.
The fresh air inlet is arranged on the upper shell 101, and the internal circulation air inlet 103 and the air supply outlet 104 are arranged on the lower shell 115.
Further, in certain alternative embodiments, referring to fig. 2, an evaporator 108 is disposed inside the housing, a filter screen 105 is disposed on one side of the evaporator 108, and a blower 107 is disposed on the other side of the evaporator 108.
In the present embodiment, the evaporator 108 is provided inside the upper casing 101.
In this embodiment, the filter screen 105 is disposed in the slot at the front end of the evaporator 108, so as to facilitate installation and detachment.
Further, in some alternative embodiments, referring to fig. 1, the top of the housing is provided with an air outlet 111, the housing is provided with a ventilation opening and a ventilation damper 112, and the ventilation damper 112 is configured to open the ventilation opening in the ventilation mode to communicate the internal circulation intake 103 with the air outlet 111.
In this embodiment, the air outlet 111 is disposed on the top of the upper housing 101, and the ventilation opening is disposed on the bottom plate 114.
By providing the ventilation opening and the ventilation damper 112, when ventilation and exhaust are required, the ventilation damper 112 opens the ventilation opening, and air inside the cab enters the ventilation opening through the internal circulation air inlet 103 and is then discharged from the air outlet 111.
Further, in some alternative embodiments, the inside of the casing is provided with a condensing fan 110, an air inlet of the condensing fan 110 can be communicated with the air vent, and an air outlet of the condensing fan 110 is communicated with the air outlet 111.
In this embodiment, the condensing fan 110 is disposed inside the upper case 101.
Referring to fig. 4, in the ventilation mode, the condensing fan 110 is operated, and air in the cab enters the ventilation port through the internal circulation intake port 103 and is then discharged through the exhaust port 111.
Further, in certain alternative embodiments, as shown in fig. 2-4, the overhead air conditioning unit further includes a condenser 109, the condenser 109 being located below the condensing fan 110, and the ventilation damper 112 being located between the inside-outside circulation switching damper 106 and the condenser 109.
Further, in certain alternative embodiments, referring to fig. 2, the ventilation damper 112 is hinged to the housing by a hinge 113.
Alternatively, a rotating shaft 113 is provided on the base plate 114, and the ventilation damper 112 is hinged to the rotating shaft 113.
In one possible design, the shaft 113 is a damping shaft, and the ventilation door 112 can be manually rotated to open or close the ventilation opening. Because the damping rotating shaft is adopted, the ventilation air door 112 can be ensured not to rotate by itself when no external force is applied.
In another possible design, the rotating shaft 113 is used for being in transmission connection with a power output end of a driving mechanism, for example, the driving mechanism may be a motor, and the ventilation damper 112 is driven to rotate by the motor so as to open or close the ventilation opening.
Further, in some alternative embodiments, the first air passage and the second air passage are provided inside the casing, and the inside-outside circulation switching damper 106 is configured to open the first air passage and close the second air passage in the inside circulation mode, and open the second air passage and close the first air passage in the outside circulation mode.
Specifically, one end of the first air duct can communicate with the internal circulation air intake 103, and the other end of the first air duct extends to the filter screen 105. One end of the second air duct can communicate with the fresh air inlet 102, and the other end of the second air duct extends to the filter screen 105.
Further, in some alternative embodiments, the overhead air conditioning unit further includes a control unit, and the inside-outside circulation switching damper 106 and the ventilation damper 112 are connected to the control unit.
The control unit in this embodiment may be a controller that independently controls the overhead air conditioning unit, or may be a controller that is incorporated with other control units of the entire vehicle.
Optionally, the control unit in this embodiment is a PLC controller.
The internal circulation, external circulation, and ventilation modes in this embodiment may be activated individually or in combination with the cooling functions of the condenser 109 and evaporator 108.
It should be noted that the operation principle of the condenser 109 and the evaporator 108 in this embodiment is prior art, and will not be described herein.
It should be noted that the positions of the blower 107 and the evaporator 108 are not limited to the positions shown in fig. 1, and may be arranged and adjusted according to actual situations.
Example two
The embodiment provides an automobile comprising the overhead air conditioning device provided by the first embodiment of the invention.
In the vehicle provided by the embodiment of the invention, because the overhead air conditioning unit provided by the first embodiment of the invention is used, the internal circulation and the external circulation share the same filter screen 105, and the space and the cost are saved.
In this embodiment, the vehicle is a heavy truck, for short a heavy truck.
It should be noted that the heavy trucks include various special vehicles (such as sprinklers, fire trucks, road cleaning vehicles, tank trucks, mixer trucks, etc.), dump trucks, and off-road vehicles (mostly military).
Further, in certain alternative embodiments, the entire vehicle battery of the vehicle is used to power the overhead air conditioning unit.
The overhead air conditioning device also comprises a compressor, when in refrigeration, the compressor absorbs low-temperature and low-pressure refrigerant gas in a pipeline to be compressed into high-temperature and high-pressure refrigerant gas, then the high-temperature and high-pressure refrigerant gas is changed into high-temperature and high-pressure refrigerant liquid through a condenser 109, the refrigerant liquid enters an expansion valve through a pipeline assembly to form a fog shape and then enters an evaporator 108, the refrigerant absorbs heat in air in the evaporator 108 to cool the air, and cooled cold air is blown out through a blower 107; the refrigerant passes through the evaporator 108 and becomes low-temperature and low-pressure gas, and then returns to the compressor to realize the refrigeration function of the air conditioning system. When parking, the compressor is powered by the storage battery.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An overhead air conditioning device is characterized by comprising a shell, wherein the shell is provided with a fresh air inlet (102), an internal circulation air inlet (103) and an air supply outlet (104); a filter screen (105), a blower (107) and an internal and external circulation switching air door (106) are arranged in the shell, and an air outlet of the blower (107) is communicated with the air supply outlet (104); the internal and external circulation switching air door (106) is configured in such a way that the internal circulation air inlet (103) is communicated with the air inlet of the air blower (107) through the filter screen (105) in an internal circulation mode, and the fresh air inlet (102) is communicated with the air inlet of the air blower (107) through the filter screen (105) in an external circulation mode.
2. The overhead air conditioning unit of claim 1, wherein the top of the housing is provided with an air outlet (111), the housing is provided with a ventilation opening and a ventilation damper (112), the ventilation damper (112) being configured to open the ventilation opening in a ventilation mode to communicate the inner circulation intake (103) with the air outlet (111).
3. The overhead air conditioning unit of claim 2, wherein the housing is provided with a condenser fan (110) inside, wherein an air inlet of the condenser fan (110) is communicable with the ventilation opening, and wherein an air outlet of the condenser fan (110) is communicable with the air outlet (111).
4. The overhead air conditioning unit of claim 2, wherein the ventilation damper (112) is hinged to the housing by a hinge (113).
5. The overhead air conditioning unit of claim 4, wherein the swivel (113) is a damped swivel.
6. The overhead air conditioning unit of claim 4, wherein the swivel shaft (113) is adapted for driving connection with a power take-off of a drive mechanism.
7. The overhead air conditioner of claim 3, further comprising a condenser (109), wherein the condenser (109) is located below the condensing fan (110), and wherein the ventilation damper (112) is located between the inside-outside circulation switching damper (106) and the condenser (109).
8. The overhead air conditioning unit according to any one of claims 1 to 7, wherein an evaporator (108) is provided inside the housing, the filter screen (105) is provided on one side of the evaporator (108), and the blower (107) is provided on the other side of the evaporator (108).
9. The overhead air conditioning unit of any of claims 2 to 7, further comprising a control unit, wherein the inside-outside circulation switching damper (106), the ventilation damper (112) are each connected to the control unit.
10. An automobile characterized by comprising the overhead air conditioning unit of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010770962.0A CN111775659A (en) | 2020-08-03 | 2020-08-03 | Overhead air conditioning device and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010770962.0A CN111775659A (en) | 2020-08-03 | 2020-08-03 | Overhead air conditioning device and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111775659A true CN111775659A (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010770962.0A Pending CN111775659A (en) | 2020-08-03 | 2020-08-03 | Overhead air conditioning device and automobile |
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| Country | Link |
|---|---|
| CN (1) | CN111775659A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113500887A (en) * | 2021-06-23 | 2021-10-15 | 青岛海尔空调器有限总公司 | Vehicle-mounted air conditioner and vehicle |
-
2020
- 2020-08-03 CN CN202010770962.0A patent/CN111775659A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113500887A (en) * | 2021-06-23 | 2021-10-15 | 青岛海尔空调器有限总公司 | Vehicle-mounted air conditioner and vehicle |
| CN113500887B (en) * | 2021-06-23 | 2023-08-18 | 青岛海尔空调器有限总公司 | Vehicle-mounted air conditioner and vehicle |
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