CN207683265U - A kind of heating device and frost removal, vehicle using the device - Google Patents
A kind of heating device and frost removal, vehicle using the device Download PDFInfo
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- CN207683265U CN207683265U CN201721343515.7U CN201721343515U CN207683265U CN 207683265 U CN207683265 U CN 207683265U CN 201721343515 U CN201721343515 U CN 201721343515U CN 207683265 U CN207683265 U CN 207683265U
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Abstract
The utility model discloses frost removal, the vehicles of a kind of heating device and the use device, belong to the cleaning device field of the vehicle window or windshield using air, frost removal includes shell, heating device is equipped in shell, the heating device includes electric heat-generating units and water-cooled unit, water-cooled unit is equipped with radiating shell, electric heat-generating units are fixed on radiating shell, by making rationally to switch between electric heat-generating units and water-cooled unit in different defrosting operations, solve the problems, such as that existing frost removal is poor to adaptability under different defrosting operations；Electric heat-generating units and water-cooled unit are fixed together, solve the problems, such as that the more heavy occupied space of existing frost removal is big.In addition, electric heat-generating units can increase heat exchange area by being placed in the radiating shell of water-cooled unit, heat exchange efficiency is improved.
Description
Technical field
The utility model, which belongs to, utilizes the vehicle window of air or the cleaning device field of windshield more particularly to a kind of heating
Device and frost removal, the vehicle for using the device.
Background technology
Automobile especially car, since occupant is more, the breathing of personnel may result in vehicle humidity increase, front windshield
Glass is in the case that the outer temperature difference of vehicle is larger in the car, and the air of high humility is easy liquefaction condensation after encountering the environment of extraneous cold
Or be attached on front windshield, the sight of driver is influenced, prodigious security risk is brought, is all provided on current most of vehicles
There is frost removal, defrosting is achieved the purpose that by frost removal.The water heater of common automotive defroster and auxiliary heater or
Person's engine cooling and circulating system is connected, and wind turbine is equipped in frost removal, and air is pumped into through water heater in frost removal by wind turbine
Heating after, so that the air after heating is uniformly blown into windshield, heating front windshield is to reach the mesh of defrosting
's.
Because not having engine for pure electric vehicle, electric frost removal or hot-water heating defrosting can only be relied on when needing defrosting
Device.If only being defrosted using hot-water heating frost removal, need following in entire water-heating system after opening vehicle auxiliary heater
Ring medium is all after heating, the frost mist on removal front windshield after hot-water heating frost removal is transferred heat to, in early winter or vehicle
Interior temperature relatively suitable for without heating measure when, open hot-water heating frost removal to water-heating system medium heating be used only for defrosting
Operation, the waste that will result in heat in turn result in the waste of the energy；If only using electric frost removal, in early winter or interior temperature
Be not in the above situation when spending relatively suitable for without heating measure, but taken in severe winter or vehicle interior temperature relatively low needs
When warm measure, it is still desirable to transfer heat to frost removal while taking hot-water heating frost removal that could meet interior heating and reach and remove
The purpose of frost.
Authorization Notice No. CN205033901U, the utility model patent that authorized announcement date is 2016.02.17 disclose one kind
Frost removal and the car for using the frost removal, the frost removal include axial flow blower and heater element, and heater element includes hot-water heating member
Part and electric heating element, by the way that temperature sensor is arranged, sense temperature changes to adjust the operating mode of frost removal --- electric heating
Defrosting mode, hot-water heating defrosting mode and mixing defrosting mode, to solve the frost removal defrosting effect shakiness of single heater element
The fixed or big problem that consumes energy.But electric heating element and hot-water heating element mode arranged apart, so that frost removal occupied space is increased,
And it is more heavy.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of frost removal, to solve existing frost removal to not
The big problem of poor with adaptability under defrosting operation and more heavy occupied space；In addition the purpose of this utility model, which also resides in, carries
For the vehicle of a kind of heating device for the frost removal and the use frost removal.
In order to achieve the above object, the first technical solution of the frost removal of the utility model is：Frost removal includes shell, shell
It is equipped with heating device in vivo, the heating device includes electric heat-generating units and water-cooled unit, and water-cooled unit is equipped with radiation shell
Body, electric heat-generating units are fixed on radiating shell, by make in different defrosting operations electric heat-generating units and water-cooled unit it
Between rationally switch, solve the problems, such as that existing frost removal is poor to adaptability under different defrosting operations；By electric heat-generating units and water
Heat-sink unit is fixed together, and solves the problems, such as that the more heavy occupied space of existing frost removal is big, in addition, electric heat-generating units
Heat exchange area can be increased by being placed in the radiating shell of water-cooled unit, improve heat exchange efficiency.
Second of technical solution of the frost removal of the utility model be：In the first technology of the frost removal of the utility model
On the basis of scheme, the electricity heat-generating units are equipped at least two, and the water-cooled is equipped between adjacent electric heat-generating units
Unit makes whole electricity heat-generating units and water-cooled unit in heating device can improve heat exchange efficiency using radiating shell.
The third technical solution of the frost removal of the utility model is：In second of technology of the frost removal of the utility model
On the basis of scheme, the water-cooled unit is equipped at least two, and water-cooled unit is alternately arranged with electric heat-generating units, is improved
The heat exchange efficiency of water-cooled unit and electric heat-generating units.
4th kind of technical solution of the frost removal of the utility model be：In the third technology of the frost removal of the utility model
On the basis of scheme, it is equipped with heat-conducting layer between the electricity heat-generating units and water-cooled unit, increases electric heat-generating units and radiation shell
Heat exchange efficiency between body.
5th kind of technical solution of the frost removal of the utility model be：In the 4th kind of technology of the frost removal of the utility model
On the basis of scheme, the heat-conducting layer is silica gel or silicone grease, and cost is relatively low, and heat-conducting effect is preferable.
6th kind of technical solution of the frost removal of the utility model be：The utility model frost removal the first to
In five kinds of technical solutions on the basis of any technical solution, the water-cooled unit is pipe rock radiator, on radiating shell
It is relatively simple using pipe rock radiator structure equipped with fin structure, the lighter weight compared with standard plate-fin heat exchanger, wave
The fin of shape can improve heat exchange area, improve heat exchange efficiency.
7th kind of technical solution of the frost removal of the utility model be：The utility model frost removal the first to
In five kinds of technical solutions on the basis of any technical solution, the main material of the water-cooled unit is aluminium or copper, aluminium and copper
Heat flux it is more efficient than iron, and price is less expensive compared with gold, silver.
8th kind of technical solution of the frost removal of the utility model be：The utility model frost removal the first to
In five kinds of technical solutions on the basis of any technical solution, the electricity heat-generating units are PTC heaters, PTC heater thermal resistances
It is small, heat exchange efficiency is high, and will not as surface " rubescent " phenomenon of electric heating tubing heater, reduce security risk.
The first technical solution of the heating device of the utility model is：Heating device includes electric heat-generating units and water-cooled
Unit, water-cooled unit are equipped with radiating shell, and electric heat-generating units are fixed on radiating shell, by making in different defrosting operations
Rationally switch between electric heat-generating units and water-cooled unit, it is poor to adaptability under different defrosting operations to solve existing frost removal
The problem of；Electric heat-generating units and water-cooled unit are fixed together, are allow when electric heat-generating units by being placed in water-cooled list
The radiating shell of member increases heat exchange area, improves heat exchange efficiency, it is big to solve the more heavy occupied space of existing frost removal
The problem of.
Second of technical solution of the heating device of the utility model be：In the first of the heating device of the utility model
On the basis of technical solution, the electricity heat-generating units are equipped at least two, and the water is equipped between adjacent electric heat-generating units
Heat-sink unit makes whole electricity heat-generating units and water-cooled unit in heating device can improve heat exchange effect using radiating shell
Rate.
The third technical solution of the heating device of the utility model is：At second of the heating device of the utility model
On the basis of technical solution, the water-cooled unit is equipped at least two, and water-cooled unit is alternately arranged with electric heat-generating units,
Improve the heat exchange efficiency of water-cooled unit and electric heat-generating units.
4th kind of technical solution of the heating device of the utility model be：In the third of the heating device of the utility model
On the basis of technical solution, it is equipped with heat-conducting layer between the electricity heat-generating units and water-cooled unit, increase electric heat-generating units and is dissipated
Heat exchange efficiency between hot shell.
5th kind of technical solution of the heating device of the utility model be：At the 4th kind of the heating device of the utility model
On the basis of technical solution, the heat-conducting layer is silica gel or silicone grease, and cost is relatively low, and heat-conducting effect is preferable.
6th kind of technical solution of the heating device of the utility model be：In the first of the heating device of the utility model
To any technical solution in the 5th kind of technical solution, the water-cooled unit is pipe rock radiator, radiation shell
Body be equipped with fin structure, with standard plate-fin heat exchanger compared with lighter weight relatively simple using pipe rock radiator structure,
Corrugated fin can improve heat exchange area, improve heat exchange efficiency.
7th kind of technical solution of the heating device of the utility model be：In the first of the heating device of the utility model
To any technical solution in the 5th kind of technical solution, the main material of the water-cooled unit is aluminium or copper, aluminium
It is more efficient than iron with the heat flux of copper, and price is less expensive compared with gold, silver.
8th kind of technical solution of the heating device of the utility model be：In the first of the heating device of the utility model
To any technical solution in the 5th kind of technical solution, the electricity heat-generating units are PTC heaters, PTC heaters
Thermal resistance is small, heat exchange efficiency is high, and will not reduce security risk as surface " rubescent " phenomenon of electric heating tubing heater.
The first technical solution of the vehicle of the utility model is：Vehicle includes water-heating system, and water-heating system includes heat supply
Element, frost removal and the circulation line for heat to be taken to frost removal from heating element, the frost removal include shell, shell
Interior to be equipped with heating device, the heating device includes electric heat-generating units and water-cooled unit, and water-cooled unit is equipped with radiating shell,
Electric heat-generating units are fixed on radiating shell, are closed between electric heat-generating units and water-cooled unit by making in different defrosting operations
Reason switching, solves the problems, such as that existing frost removal is poor to adaptability under different defrosting operations；By electric heat-generating units and water-cooled
Unit is fixed together, and allows to increase heat exchange area by being placed in the radiating shell of water-cooled unit when electric heat-generating units,
Heat exchange efficiency is improved, solves the problems, such as that the more heavy occupied space of existing frost removal is big.
Second of technical solution of the vehicle of the utility model be：In the first technical solution of the vehicle of the utility model
On the basis of, the electricity heat-generating units are equipped at least two, and the water-cooled unit is equipped between adjacent electric heat-generating units,
So that whole electricity heat-generating units and water-cooled unit in heating device can be improved heat exchange efficiency using radiating shell.
The third technical solution of the vehicle of the utility model is：In second of technical solution of the vehicle of the utility model
On the basis of, the water-cooled unit is equipped at least two, and water-cooled unit is alternately arranged with electric heat-generating units, is improved water and is dissipated
The heat exchange efficiency of hot cell and electric heat-generating units.
4th kind of technical solution of the vehicle of the utility model be：In the third technical solution of the vehicle of the utility model
On the basis of, it is equipped with heat-conducting layer between the electricity heat-generating units and water-cooled unit, is increased between electric heat-generating units and radiating shell
Heat exchange efficiency.
5th kind of technical solution of the vehicle of the utility model be：In the 4th kind of technical solution of the vehicle of the utility model
On the basis of, the heat-conducting layer is silica gel or silicone grease, and cost is relatively low, and heat-conducting effect is preferable.
6th kind of technical solution of the vehicle of the utility model be：The utility model vehicle the first to the 5th kind
In technical solution on the basis of any technical solution, the water-cooled unit is pipe rock radiator, and radiating shell is equipped with
Fin structure, with standard plate-fin heat exchanger compared with lighter weight relatively simple using pipe rock radiator structure are corrugated
Fin can improve heat exchange area, improve heat exchange efficiency.
7th kind of technical solution of the vehicle of the utility model be：The utility model vehicle the first to the 5th kind
In technical solution on the basis of any technical solution, the main material of the water-cooled unit is aluminium or copper, the heat of aluminium and copper
Flux ratio iron it is efficient, and price is less expensive compared with gold, silver.
8th kind of technical solution of the vehicle of the utility model be：The utility model vehicle the first to the 5th kind
In technical solution on the basis of any technical solution, the electricity heat-generating units are PTC heaters, and PTC heater thermal resistances are small, change
The thermal efficiency is high, and will not reduce security risk as surface " rubescent " phenomenon of electric heating tubing heater.
Description of the drawings
Fig. 1 is the structural schematic diagram of the specific embodiment 1 of the frost removal of the utility model；
Fig. 2 is the heating device schematic diagram of the specific embodiment 1 of the frost removal of the utility model；
Fig. 3 is the heating device schematic diagram of the specific embodiment 2 of the frost removal of the utility model；
Fig. 4 is the heating device schematic diagram of the specific embodiment 3 of the frost removal of the utility model.
Specific implementation mode
Below in conjunction with the accompanying drawings and embodiment is described further the utility model.
As shown in Figure 1, the specific embodiment 1 of the frost removal of the utility model, as shown in Figure 1, frost removal includes shell 2,
Shell 2 is equipped with air inlet 1 and air outlet 5, is equipped with wind turbine 3 in shell 2 at air inlet 1, and the air intake vent of wind turbine 3 is towards shell
The air inlet 1 of body 2, the air outlet of wind turbine 3 towards shell 2 air outlet 5, in order to reduce the overall dimensions of frost removal, this implementation
Wind turbine 3 selects axial flow blower in example.
Heating device 4 is additionally provided in shell 2, heating device 4 is placed between wind turbine 3 and the air outlet 5 of shell 2, passes through wind
The effect of machine 3 send the air heated via heating device 4 to the front windshield of vehicle by the air outlet 5 of shell 2,
Achieve the purpose that defrosting.As shown in Fig. 2, heating device 4 includes electric heat-generating units and water-cooled unit, since PTC heaters are excellent
Good heat exchange efficiency and the safety compared to electric heating tubing heater, the present embodiment select PTC heaters 7 single as electricity fever
Member, for further loss of weight, the present embodiment selects pipe rock radiator 8 to be used as water-cooled unit.Pipe rock radiator 8 includes dissipating
Hot device shell, radiator casing include one for leading to the flat tube 8-2 of recirculated water and being placed in the corrugated wing of the both sides flat tube 8-2
Chip architecture 8-1, wherein radiator casing constitutes the radiating shell of water-cooled unit, and four PTC heaters are selected in the present embodiment
7 and three pipe rock radiators 8, certainly, in other embodiments, the number of the selection of PTC heaters 7 and pipe rock radiator 8
Amount can be arbitrary, but PTC heaters 7 and pipe rock radiator 8 at least will there are one.
In the present embodiment, in order to improve heat exchange efficiency, PTC heaters 7 and pipe rock radiator 8 are alternately arranged, PTC fevers
The fin structure 8-1 contacts of body 7 and pipe rock radiator 8, fin structure 8-1 is directed to by the heat that PTC heaters 7 generate
On, increase the heat exchange area of PTC heaters 7, heat exchange efficiency is improved with this.
In the present embodiment, in order to further increase heat exchange efficiency, one is respectively provided between each two adjacent PTC heaters 7
A pipe rock radiator 8, and silica gel 10 is coated between PTC heaters 7 and fin 8-1, improve PTC heaters 7 and fin 8-1
Heat transfer efficiency, improve the heat exchange area of PTC heaters 7 with this, improve heat exchange efficiency, the wherein composition of silica gel 10 is placed in electric hair
Heat-conducting layer between hot cell and water-cooled unit.
In the present embodiment, the main material in the radiator casing of pipe rock radiator 8 is aluminium, is ensureing good heat exchange
Under the premise of efficiency, the overall weight of pipe rock radiator 8 is reduced.
It is respectively provided in the present embodiment, on shell as the power interface 6 and power supply of PTC heaters 7 and the power supply of wind turbine 3
Interface 9.
In the present embodiment, wind turbine 3 is pumped into unheated air by the air intake vent 1 of shell 2, is added via heating device 4
It is uniformly blown on front windshield by the air outlet 5 of shell 2 after heat, achievees the purpose that defrosting.When in early winter or car
Temperature relatively suitable for without heating measure when, PTC heaters 7 be powered open, quickly heat using electric energy flow through PTC generate heat
Air between body 7 and fin 8-1, achievees the purpose that defrosting；When severe winter or vehicle interior temperature it is relatively low need heating measure when, beat
It opens auxiliary heater or engine cool circulation line, heat cycles water or engine coolant is flowed into pipe rock radiator 8
Flat tube 8-2 in, the air for flowing through fin 8-1 is heated, achievees the purpose that defrosting.In different situations, using not
Same Defrost mode avoids the waste of heat, reduces energy consumption.
The specific embodiment 2 of the frost removal of the utility model, the area with the specific embodiment 1 of the frost removal of the utility model
It is not only that：As shown in figure 3, two pipe rock radiators 28 are arranged between adjacent PTC heaters 27.
The specific embodiment 3 of the frost removal of the utility model, the area with the specific embodiment 1 of the frost removal of the utility model
It is not only that：As shown in figure 4, there are two being all provided with of PTC heaters 37 and pipe rock radiator 38, and PTC heaters 37 and pipe
Ribbon type radiator 38 is arranged alternately.
The specific embodiment 4 of the frost removal of the utility model, the area with the specific embodiment 1 of the frost removal of the utility model
It is not only that：Radiating shell is metal corrugated plate.
The specific embodiment 5 of the frost removal of the utility model, the area with the specific embodiment 1 of the frost removal of the utility model
It is not only that：Electric heat-generating units are electrothermal tube.
The specific embodiment 6 of the frost removal of the utility model, the area with the specific embodiment 1 of the frost removal of the utility model
It is not only that：Heat-conducting layer, PTC heaters and the wing on pipe rock radiator are not provided between electric heat-generating units and water-cooled unit
Chip architecture directly fits.
The specific embodiment 7 of the frost removal of the utility model, the area with the specific embodiment 1 of the frost removal of the utility model
It is not only that：Heat-conducting layer is copper coin.
The specific embodiment 8 of the frost removal of the utility model, the area with the specific embodiment 1 of the frost removal of the utility model
It is not only that：Heat-conducting layer is silicone grease.
The specific embodiment 9 of the frost removal of the utility model, the area with the specific embodiment 1 of the frost removal of the utility model
It is not only that：Water-cooled unit is gilled tube radiator.
The specific embodiment 10 of the frost removal of the utility model, with the specific embodiment 1 of the frost removal of the utility model
It differs only in：The main material of radiator casing is copper.
The frost removal of the specific embodiment of the heating device of the utility model, the heating device and the utility model
Heating device described in any one of specific embodiment 1-10 is identical, repeats no more.In other embodiment, the utility model
Heating device can be also used for replacing other heating devices, such as vehicle-mounted heater etc. on automobile, naturally it is also possible to be used for it
In his water-heating system, such as boiler heating system etc..
The specific embodiment of the vehicle of the utility model, vehicle include water-heating system, and water-heating system is including being interior and each
Component provides the heating element of heat, and frost removal and the heat for generating heating element introduce the circulating water pipe of frost removal
Road, the frost removal phase described in any one of the frost removal and the specific embodiment 1-10 of the frost removal of the utility model
Together, it repeats no more.
A kind of heating device of the utility model and other embodiment using the frost removal of the device, vehicle, electrical heating
Unit can be arbitrary electric heating tubing heater or resistance class heater；Centrifugal, diagonal flow type or cross may be used in wind turbine
Flow type fan；The main material of radiator casing is iron or steel.
The above content is a kind of further description of the specific embodiment to made by the utility model is combined, no
It can assert that the specific implementation of the utility model is only limited to and these explanations.The personnel of the utility model technical field are come
It says, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, all should be considered as this reality
With novel protection domain.
Claims (24)
1. a kind of frost removal, including shell, shell is interior to be equipped with heating device, it is characterised in that：The heating device includes that electricity is sent out
Hot cell and water-cooled unit, water-cooled unit are equipped with radiating shell, and electric heat-generating units are fixed on radiating shell.
2. frost removal according to claim 1, it is characterised in that：The electricity heat-generating units are adjacent equipped at least two
The water-cooled unit is equipped between electric heat-generating units.
3. frost removal according to claim 2, it is characterised in that：The water-cooled unit is equipped at least two, and water dissipates
Hot cell is alternately arranged with electric heat-generating units.
4. frost removal according to claim 3, it is characterised in that：It is equipped between the electricity heat-generating units and water-cooled unit
Heat-conducting layer.
5. frost removal according to claim 4, it is characterised in that：The heat-conducting layer is silica gel or silicone grease.
6. frost removal according to any one of claims 1-5, it is characterised in that：The water-cooled unit dissipates for corrugated tube type
Hot device, radiating shell are equipped with fin structure.
7. frost removal according to any one of claims 1-5, it is characterised in that：The main material of the water-cooled unit
For aluminium or copper.
8. frost removal according to any one of claims 1-5, it is characterised in that：The electricity heat-generating units generate heat for PTC
Body.
9. heating device, it is characterised in that：Including electric heat-generating units and water-cooled unit, water-cooled unit is equipped with radiating shell,
Electric heat-generating units are fixed on radiating shell.
10. heating device according to claim 9, it is characterised in that：The electricity heat-generating units are adjacent equipped at least two
Electric heat-generating units between be equipped with the water-cooled unit.
11. heating device according to claim 10, it is characterised in that：The water-cooled unit be equipped at least two, and
Water-cooled unit is alternately arranged with electric heat-generating units.
12. heating device according to claim 11, it is characterised in that：Between the electricity heat-generating units and water-cooled unit
Equipped with heat-conducting layer.
13. heating device according to claim 12, it is characterised in that：The heat-conducting layer is silica gel or silicone grease.
14. according to the heating device described in any one of claim 9-13, it is characterised in that：The water-cooled unit is pipe band
Formula radiator, radiating shell are equipped with fin structure.
15. according to the heating device described in any one of claim 9-13, it is characterised in that：The main body of the water-cooled unit
Material is aluminium or copper.
16. according to the heating device described in any one of claim 9-13, it is characterised in that：The electricity heat-generating units are PTC
Heater.
17. vehicle, including water-heating system, water-heating system include heating element, frost removal and for by heat from heating element band
To the circulation line of frost removal, the frost removal includes shell, and heating device is equipped in shell, it is characterised in that：The heating
Device includes electric heat-generating units and water-cooled unit, and water-cooled unit is equipped with radiating shell, and electric heat-generating units are fixed on radiation shell
On body.
18. vehicle according to claim 17, it is characterised in that：The electricity heat-generating units are adjacent equipped at least two
The water-cooled unit is equipped between electric heat-generating units.
19. vehicle according to claim 18, it is characterised in that：The water-cooled unit is equipped at least two, and water dissipates
Hot cell is alternately arranged with electric heat-generating units.
20. vehicle according to claim 19, it is characterised in that：It is equipped between the electricity heat-generating units and water-cooled unit
Heat-conducting layer.
21. vehicle according to claim 20, it is characterised in that：The heat-conducting layer is silica gel or silicone grease.
22. according to the vehicle described in any one of claim 17-21, it is characterised in that：The water-cooled unit is corrugated tube type
Radiator, radiating shell are equipped with fin structure.
23. according to the vehicle described in any one of claim 17-21, it is characterised in that：The main body material of the water-cooled unit
Matter is aluminium or copper.
24. according to the vehicle described in any one of claim 17-21, it is characterised in that：The electricity heat-generating units generate heat for PTC
Body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721343515.7U CN207683265U (en) | 2017-10-18 | 2017-10-18 | A kind of heating device and frost removal, vehicle using the device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721343515.7U CN207683265U (en) | 2017-10-18 | 2017-10-18 | A kind of heating device and frost removal, vehicle using the device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207683265U true CN207683265U (en) | 2018-08-03 |
Family
ID=62988196
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721343515.7U Active CN207683265U (en) | 2017-10-18 | 2017-10-18 | A kind of heating device and frost removal, vehicle using the device |
Country Status (1)
| Country | Link |
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| CN (1) | CN207683265U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109677229A (en) * | 2017-10-18 | 2019-04-26 | 郑州宇通客车股份有限公司 | Heating device and frost removal, the vehicle for using the device |
-
2017
- 2017-10-18 CN CN201721343515.7U patent/CN207683265U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109677229A (en) * | 2017-10-18 | 2019-04-26 | 郑州宇通客车股份有限公司 | Heating device and frost removal, the vehicle for using the device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450016 Yutong Industrial Zone, eighteen Li River, Henan, Zhengzhou Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |
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| CP03 | Change of name, title or address |