CN214325054U - Electric defroster for pure electric vehicle - Google Patents
Electric defroster for pure electric vehicle Download PDFInfo
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- CN214325054U CN214325054U CN202023136482.3U CN202023136482U CN214325054U CN 214325054 U CN214325054 U CN 214325054U CN 202023136482 U CN202023136482 U CN 202023136482U CN 214325054 U CN214325054 U CN 214325054U
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Abstract
The utility model provides an electric defroster for pure electric vehicles, include the casing, be located fan, heat radiation structure in the casing and be located the air intake on the casing, heat radiation structure includes the finned tube radiator and is fixed in the semiconductor refrigeration piece on it, the air intake include interior air intake and outer air intake, interior air intake has two, is located the position that is close to the base on two sides around the casing respectively, outer air intake be located the casing bottom surface, interior air intake include new trend door plant, new trend pivot and new trend sealed cotton, the one end of new trend door plant is connected with the new trend pivot, the length of new trend door plant be greater than the length of interior air intake, the width does half of casing width, the utility model discloses a semiconductor refrigeration piece is as pure electric vehicles electric defroster's heat source, and energy utilization efficiency is high.
Description
Technical Field
The utility model relates to an electric defroster of windshield for car, especially an electric defroster for pure electric vehicles.
Background
In winter or at lower temperatures, a layer of frost is generated on the windshield of the automobile, and the sight of a driver is blocked, so that normal driving is influenced. The pure electric vehicle has inherent defects in heating function due to the fact that an engine is not arranged, and defrosting is a technical difficulty of the pure electric vehicle.
At present, an electric heating air type defroster is generally used for pure electric vehicles, air is heated through a heater, and the heated air is blown out through a fan to achieve the defrosting purpose. Because the contact area of the air and the heating body in the heater is limited, the air flow rate is high, the heat cannot be absorbed by the air in a centralized way and is not easy to store, the defrosting effect is poor, and meanwhile, the heating element of the electric heating wire in the heater is exposed, the surface temperature is high, open fire is easy to generate, and the safety is poor. If the defrosting effect is to be ensured, the power of a heater in the defroster can only be increased, but the electric energy consumption of the defroster can be increased, the energy is wasted, and the driving mileage of the pure electric vehicle can be influenced. In addition, a heat conduction oil heating body is also used as a defroster in the current market, and the defroster has the characteristics of sanitation, environmental protection, no smoke, no dust and no smell, but has large thermal inertia and more welding spots, is easy to have the phenomenon of oil leakage of the welding spots after being used for a period of time, lacks of safety guarantee and has poor defrosting effect.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an electric defroster for pure electric automobile that defrosting is effectual, energy conversion efficiency is high, and the security is higher.
The technical scheme of the utility model specifically does:
the utility model provides an electric defroster for pure electric vehicles, includes the casing, is located fan, heat radiation structure in the casing and is located the air intake on the casing, heat radiation structure includes finned tube radiator and is fixed in the semiconductor refrigeration piece on it.
The air inlet comprises an inner air inlet and an outer air inlet, the number of the inner air inlets is two, the two inner air inlets are respectively positioned on the front side surface and the rear side surface of the shell and are close to the bottom edge, and the outer air inlet is positioned on the bottom surface of the shell.
Interior air intake include new trend door plant, new trend pivot and new trend sealing cotton, new trend pivot both ends set up on the left and right sides face of casing, and be close to the front and back both sides face of casing respectively, the one end of new trend door plant is connected with the new trend pivot, new trend sealing cotton bonds in the both sides of new trend door plant.
The length of the fresh air door plate is greater than that of the inner air inlet, and the width of the fresh air door plate is half of the width of the shell.
The fresh air rotating shaft is connected with the motor, and the controller is connected with the motor.
The fan is a brushless evaporation fan.
The semiconductor refrigeration pieces are symmetrically distributed on two sides of the finned tube radiator, heat-conducting silica gel is arranged between the hot surface of each semiconductor refrigeration piece and the contact block of the finned tube radiator, and the semiconductor refrigeration pieces and the contact block of the finned tube radiator are bonded through the heat-conducting silica gel.
And two defrosting air outlets are formed in the top of the shell.
Compared with the prior art, the utility model discloses a semiconductor refrigeration piece is as the heat source of electric defroster for pure electric vehicles, and its COP coefficient of performance (namely refrigeration coefficient) can reach 1.4~1.6, and energy utilization efficiency is high; the semiconductor refrigeration pieces are symmetrically arranged on the two sides of the radiator, the heating power is high, the finned tube radiator is adopted, the unit heat exchange area is large, the heat transfer effect is enhanced, and the defrosting effect is good; the semiconductor refrigerating sheet defroster can normally work at a lower temperature, the structure is simple and convenient to install, the operation is easy, and the safety is high.
Drawings
Fig. 1 is a schematic view of the external structure of the present invention.
Fig. 2 is a schematic view of the internal structure of the present invention.
Fig. 3 is a schematic view of a heat dissipation structure.
Fig. 4 is a schematic diagram of a brushless evaporation fan.
Wherein 1 is a housing; 2 is an inner air inlet; 3 is an external air inlet; 4 is a fan; 5 is a heat dissipation structure; 6 is a defrosting air outlet; 7 is a fresh air rotating shaft; 8 is fresh air sealing cotton; 9 is a fresh air door plate; 10 is a finned tube radiator; 11 is a semiconductor refrigerating sheet.
Detailed Description
As shown in fig. 1-4, the utility model relates to an electric defroster for pure electric vehicles, including casing 1, the symmetry of being close to the base on two sides is equipped with two interior air intakes 2 around casing 1, and the shape of interior air intake 2 can be the rectangle, be equipped with an outer air intake 3 on the casing 1 bottom surface, the shape of outer air intake 3 can be the rectangle, casing 1 is inside to be equipped with a fan 4, and fan 4 is fixed in casing 1 and is close to one side of bottom surface, is located the top of outer air intake 3, fan 4 top is equipped with heat radiation structure 5, heat radiation structure includes finned tube radiator 10, semiconductor refrigeration piece 11, heat radiation structure 5 top casing 1's top is equipped with two defrosting air outlets 6, and defrosting air outlet 6 can be the drum shape.
Specifically, interior air intake 2 include new trend door plant 9, new trend pivot 7 and new trend sealing cotton 8, new trend pivot 7 both ends set up on the left and right sides face of casing 1, and be close to the front and back both sides face of casing 1 respectively, the one end of new trend door plant 9 is connected with new trend pivot 7, can be through welded connection, guarantees that new trend pivot 7 drives new trend door plant 9 and rotates together in rotatory in-process, and a new trend door plant 9 pivoted extreme position is interior air intake 2 positions, and another extreme position is outer air intake 3 positions, new trend sealing cotton 8 bonds in the both sides of new trend door plant 9.
Specifically, the length of new trend door plant 9 be greater than interior air intake 2's length, the width be half of casing 1 width, can be with interior air intake 2 complete shutoff when new trend door plant 9 rotates interior air intake 2, when new trend door plant 9 rotated the outer air intake 3 position simultaneously, two new trend door plants in front and back just will outer air intake 3 complete shutoff.
Specifically, a driving control device (not shown in the figure) is arranged on one side of the outside of the shell 1, the driving control device comprises a motor and a controller, the motor is connected with the fresh air rotating shaft 7, and the controller is connected with the motor. The controller controls the motor to drive the fresh air rotating shaft 7 to rotate, and further drives the fresh air door plate 9 to rotate between the inner air inlet 2 and the outer air inlet 3.
Specifically, the fan 4 can be a brushless evaporation fan, and preferably has an air volume of 1200m3A brushless evaporative motor of/h.
Specifically, the preferred model of semiconductor refrigeration piece 11 is the semiconductor refrigeration piece of TEC127406262, and the refrigeration coefficient is 1.4~1.6, ten semiconductor refrigeration pieces heating power can reach 5KW, with ten semiconductor refrigeration pieces 11 symmetric distribution in the both sides of finned tube radiator 10, five semiconductor refrigeration pieces 11 respectively in finned tube radiator 10 both sides promptly, be equipped with heat conduction silica gel between the hot face of semiconductor refrigeration piece 11 and the contact block of finned tube radiator 10, semiconductor refrigeration piece 11 with the contact block of finned tube radiator 10 passes through the heat conduction silica gel bonding, finned tube radiator 10 preferred contact block size be: length, width, thickness =400, 70, 10mm, fin size length, width, thickness =360, 150, 1mm, fin pitch 1.5mm, and number 52.
When the electric defroster starts to work, if the air is fed from the inner air inlet 2, the controller controls the motor to drive the fresh air rotating shaft 7 to rotate, so that the fresh air door plate 9 rotates to the position of the outer air inlet 3 along with the fresh air rotating shaft 7, at the moment, the fresh air door plate 9 is in a horizontal state, the outer air inlet 3 is in a closed state, the inner air inlet 2 is in an open state, and under the action of the fan 4, fresh air continuously flows into the shell 1 from the inner air inlet 2 and is blown upwards into the finned tube radiator 10 through the fan 4. The semiconductor refrigeration sheet 11 generates a large amount of heat on the hot surface after being electrified, the heat is transferred to the finned tube radiator 10, fresh air passing through the finned tube radiator 10 is heated to become hot air, the hot air is uniformly blown to the front windshield of the pure electric vehicle from the defrosting air outlet 6, frost on the windshield is melted, and the defrosting purpose is achieved. If the air is fed from the outer air inlet 3, the controller controls the motor to drive the fresh air rotating shaft 7 to rotate, the fresh air door plate 9 is made to rotate to the position of the inner air inlet 2 along with the fresh air rotating shaft 7, the fresh air door plate 9 is in a vertical state at the moment, the outer air inlet 3 is in an open state, the inner air inlet 2 is in a closed state, fresh air flows into the shell 1 from the outer air inlet 3 under the action of the fan 4, becomes hot air after passing through the finned tube radiator 10, and is blown onto the front windshield from the defrosting air outlet 6 to defrost.
What has been described above is only the preferred embodiments of the present invention, and it should be noted that, for those skilled in the art, without departing from the overall concept of the present invention, a plurality of changes and improvements can be made, and these should also be regarded as the protection scope of the present invention, and these will not affect the effect of the present invention and the utility of the patent.
Claims (8)
1. The utility model provides an electricelectric moves electric defroster for car, includes the casing, is located fan, heat radiation structure in the casing and is located the air intake on the casing, its characterized in that: the heat radiation structure comprises a finned tube radiator and a semiconductor refrigeration sheet fixed on the finned tube radiator.
2. The electric defroster for a blade electric vehicle of claim 1, characterized in that: the air inlet comprises an inner air inlet and an outer air inlet, the number of the inner air inlets is two, the two inner air inlets are respectively positioned on the front side surface and the rear side surface of the shell and are close to the bottom edge, and the outer air inlet is positioned on the bottom surface of the shell.
3. The electric defroster for a blade electric vehicle of claim 2, characterized in that: interior air intake include new trend door plant, new trend pivot and new trend sealing cotton, new trend pivot both ends set up on the left and right sides face of casing, and be close to the front and back both sides face of casing respectively, the one end of new trend door plant is connected with the new trend pivot, new trend sealing cotton bonds in the both sides of new trend door plant.
4. The electric defroster for a blade electric vehicle of claim 3, characterized in that: the length of the fresh air door plate is greater than that of the inner air inlet, and the width of the fresh air door plate is half of the width of the shell.
5. The electric defroster for a blade electric vehicle of claim 3, characterized in that: the fresh air rotating shaft is connected with the motor, and the controller is connected with the motor.
6. The electric defroster for a blade electric vehicle of claim 1, characterized in that: the fan is a brushless evaporation fan.
7. The electric defroster for a blade electric vehicle of claim 1, characterized in that: the semiconductor refrigeration pieces are symmetrically distributed on two sides of the finned tube radiator, heat-conducting silica gel is arranged between the hot surface of each semiconductor refrigeration piece and the contact block of the finned tube radiator, and the semiconductor refrigeration pieces and the contact block of the finned tube radiator are bonded through the heat-conducting silica gel.
8. The electric defroster for a blade electric vehicle of claim 1, characterized in that: and two defrosting air outlets are formed in the top of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023136482.3U CN214325054U (en) | 2020-12-23 | 2020-12-23 | Electric defroster for pure electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023136482.3U CN214325054U (en) | 2020-12-23 | 2020-12-23 | Electric defroster for pure electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214325054U true CN214325054U (en) | 2021-10-01 |
Family
ID=77901088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023136482.3U Active CN214325054U (en) | 2020-12-23 | 2020-12-23 | Electric defroster for pure electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214325054U (en) |
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2020
- 2020-12-23 CN CN202023136482.3U patent/CN214325054U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220426 Address after: 453000 No. 99, South outer ring, high tech Zone, Xinxiang City, Henan Province Patentee after: Henan guanjing Semiconductor Technology Co.,Ltd. Address before: No.k4-2, building 2, pioneering block, Zhengzhou University Science and Technology Park, 100 Cuizhu street, high tech Industrial Development Zone, Zhengzhou City, Henan Province, 450001 Patentee before: ZHENGZHOU ZHENGDA INTELLIGENT TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right |