CN207772830U - A kind of onboard electrical heating device - Google Patents
A kind of onboard electrical heating device Download PDFInfo
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- CN207772830U CN207772830U CN201721813759.7U CN201721813759U CN207772830U CN 207772830 U CN207772830 U CN 207772830U CN 201721813759 U CN201721813759 U CN 201721813759U CN 207772830 U CN207772830 U CN 207772830U
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- heating
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- water jacket
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Abstract
The utility model proposes a kind of onboard electrical heating devices, including heating core assembly, heat tube shell, heating water jacket, guard assembly, tabletting flange, fixing piece, first connector and the second connector, wherein heating core assembly is fixed on heating tube enclosure interior by tabletting flange and fixing piece, heating tube shell is tightly connected with guard assembly by the first connector, heating tube shell is inserted into heating water jacket and is tightly connected by the second connector with heating water jacket, heating core assembly fever during the work time, heat passes through the cross-ventilation between the radiation of itself and heats component and heating tube inner walls, conduct heat to heating tube shell, the anti-icing fluid heating through its surface by the convection current of heating tube shell again.The utility model heating tube surface of shell is provided with the support ring for improving integrated support rigidity, and electric interfaces use seal-integrated type connection method.Therefore have the advantages that simple in structure, sealed reliable and vibration resistance and impact.
Description
Technical field
The utility model is related to new-energy automobile field more particularly to a kind of onboard electrical heating devices.
Background technology
New-energy automobile field develops rapidly at present, to ensure that vehicle meets state's laws rules and regulations in service life
Energy-saving and environmental protection performance and index, it is whole it is vehicle-to-vehicle on heating, the preheating equipment etc. that use propose it is complete electrified or electrified
The requirement of replacement.As a comparison, engine exhaust heat or fuel heating system can be used to solve the pre- of equipment on vehicle for conventional fuel oil car
Heating and heating, the problem of bringing discharge and energy consumption therewith.At present in the new-energy automobile of part, there are use in winter fuel oils
Heater provides the phenomenon that heating on vehicle, and with the tightening of regulation, above application will be prohibited.
New-energy automobile onboard electrical heating device, the heating target being mainly used under automobile-used environment or fluid media (medium) add
Heat.The considerations of for electrical safety, liquid leakage and vehicle-mounted use aspect, it is desirable that heating device meets following five requirements:
(1) high-power quick heating needs, (2) heating device body connect the leakproofness of fluid, the electrical of (3) high-voltage electrical apparatus heating device
Mouthful to extraneous ambient dielectric and keep electrical sealing, (4) have the structural strength of situations such as coping with vehicle-mounted vibration, impact with
Reliability, (5) meet the voltage fluctuation of onboard electrical high-pressure system.
Part new-energy automobile solves heating, pre-add heat problem using fuel heater at present, but the method is introduced directly into
The discharge of greenhouse gases, tail gas, is runed counter to the energy-saving and environment-friendly theory of new-energy automobile.It is another to have the use of part new-energy automobile
PTC heating devices, are mainly used for warm wind, power battery low-temperature cool starting, fuel cell system low-temperature cool starting, which is applicable in
It is needed in subzero 10 DEG C or more of quick cold start-up in subzero 20 DEG C or more, fuel cell in low power heating or power battery
It asks, if there is the more rapid power output demand of higher, the cost of PTC heating devices is restricted with size.Both methods is equal
There are certain drawbacks, can not meet the above-mentioned S-5 to new-energy automobile onboard electrical heating device simultaneously.
Therefore, the application proposes a kind of novel on-vehicle electric heater, and the apparatus structure is simple, sealed reliable and can be with
Realize repeated disassembled and assembled, easy to produce and later maintenance.The device increases vibration resistance and impact for vehicular applications feature simultaneously
Structure, increase structural strength and reliability.Output power can also be changed according to use demand and use voltage, Neng Goutong
When meet to the S-5 of new-energy automobile onboard electrical heating device.
Utility model content
The application provides a kind of onboard electrical heating device, solves the prior art and generates greenhouse gases, cannot meet height
The problems such as power output demand, complicated poor sealing, can change output power according to use demand and use voltage, together
When also add the structure of vibration resistance and impact.The application purpose is achieved through the following technical solutions:
The embodiment of the application provides a kind of onboard electrical heating device, including heating core assembly, heating tube
Shell, heating water jacket, guard assembly, tabletting flange, fixing piece, the first connector and the second connector, wherein heating core assembly
It is fixed in heating tube shell by tabletting flange and fixing piece, heating tube shell is sealed with guard assembly by the first connector
Connection, heating tube shell are tightly connected with heating water jacket by the second connector, heat core assembly fever, heat during the work time
Amount is conducted heat to and is added by the cross-ventilation between the radiation of itself and heats component and heating tube inner walls
Thermotube shell, then heated by anti-icing fluid of the heating tube shell convection current through its surface.
The embodiment of the application provides a kind of onboard electrical heating device, including heating core assembly, heating tube
Shell, heating water jacket, guard assembly, tabletting flange, fixing piece, the first connector and the second connector, wherein heating core assembly
It is fixed in heating tube shell by tabletting flange and fixing piece, heating tube shell is sealed with guard assembly by the first connector
Connection, heating tube shell are inserted into heating water jacket and are tightly connected by the second connector with heating water jacket, during the work time
Core assembly fever is heated, heat passes through the air pair between the radiation of itself and heats component and heating tube inner walls
Stream conducts heat to heating tube shell, then is heated by anti-icing fluid of the heating tube shell convection current through its surface.
According to the onboard electrical heating device that the said one embodiment of the application provides, wherein:The heating core group
Part includes head, core and pull rod, and core is internally provided with hole, and the diameter on head is more than the diameter of core and is provided with the first wiring
Column, the second binding post, the first mounting hole and the second mounting hole, head are connected on core, and pull rod passes through first installation on head
Hole is mounted in core.
According to the onboard electrical heating device that the said one embodiment of the application provides, wherein:The heating shell
Body is cylindrical in shape and a side opening, and open end is provided with spaced first chuck flange-interface and the second chuck flange-interface,
The middle part of heating tube surface of shell and one end opposite to the open end are respectively equipped with the first support ring and the second support ring.
According to the onboard electrical heating device that the said one embodiment of the application provides, wherein:Core assembly is heated to insert
Enter heating tube enclosure interior, fixing piece passes through tabletting flange and heats second mounting hole on core assembly head, will heat core assembly
Head be fixed on the first chuck flange-interface, and then by heat core assembly be fixed on heating tube shell inside.
According to the onboard electrical heating device that the said one embodiment of the application provides, wherein:First connection
Part includes the first ring card and the first chuck sealed pad, and second connector includes the second ring card and the second chuck sealed pad.
According to the onboard electrical heating device that the said one embodiment of the application provides, wherein:The guard assembly
Including waterproof PG connectors and cable cover(ing), the side of waterproof PG connectors is provided with third chuck flange-interface, is set outside the other side
It is equipped with the cable cover(ing) around waterproof PG connectors.
According to the onboard electrical heating device that the said one embodiment of the application provides, wherein:The heating core group
What the first binding post of part, the second binding post and pull rod stretched out heating core assembly head is partially disposed in the interior of waterproof PG connectors
Portion, the first ring card by it is described heating tube shell on the first chuck flange-interface and the waterproof PG connectors third chuck flange
Interface links together, and the first chuck sealed pad is arranged between the first chuck flange-interface and third chuck flange-interface, reaches
To the effect of sealed connection.
According to the onboard electrical heating device that the said one embodiment of the application provides, wherein:The heating water jacket
To be internally provided with the cylinder of endoporus, one end is equipped with the 4th chuck flange-interface, and the other end is equipped with water outlet, and side is equipped with water inlet
Mouthful.
According to the onboard electrical heating device that the said one embodiment of the application provides, wherein:The heating shell
Body be inserted into heating water jacket endoporus, the second ring card by it is described heating tube shell the second chuck flange-interface and the heating water jacket
The 4th chuck flange-interface link together, the second chuck sealed pad be arranged in the second chuck flange-interface and the 4th chuck method
Between blue interface, achieve the effect that sealed connection.
According to the onboard electrical heating device that the said one embodiment of the application provides, wherein:First support
Ring and the second support ring coordinate with heating water jacket's hole size, and support is played to heating water jacket together with the second chuck flange-interface
Effect forms a cavity for fluids such as heating and anti-freezing liquid among heating water jacket and heating inner liner component.
According to the onboard electrical heating device that the said one embodiment of the application provides, wherein:First support
Ring and the second support ring are gear-like gap structure, ensure that the passability and flow demand of fluid.
According to the onboard electrical heating device that the said one embodiment of the application provides, wherein:The heating core group
The core of part uses ceramic heat core.
According to the onboard electrical heating device that the said one embodiment of the application provides, wherein:In the operating condition,
The liquid such as anti-icing fluid enter heating water jacket by the water inlet of heating water jacket and heat the cavity between tube shell, heats group
Part generates heat, and heat, will be warm by the cross-ventilation between the radiation of itself and heats component and heating tube inner walls
Amount conduction is heated to heating tube shell, then by anti-icing fluid of the heating tube shell convection current through its surface, then the anti-icing fluid after heating
It is flowed out by the water outlet of heating water jacket.
The application the above embodiment provide onboard electrical heating device is simple in structure, sealed reliable, it is easy to disassemble and
Vibration and shock resistant, while output power can be changed according to demand and use voltage, current new-energy automobile is met to vehicle-mounted
The demand of electric heater.
A kind of concrete structure of onboard electrical heating device provided by the present application is given in detail by following embodiment and its attached drawing
Go out.
Description of the drawings
Fig. 1 is the explosive view according to a kind of onboard electrical heating device of one embodiment of the application.
Fig. 2 is a kind of onboard electrical heating device cross-sectional view of the structure according to one embodiment of the application.
Fig. 3 is the partial enlargement according to a kind of onboard electrical heating device cross-sectional view of the structure of one embodiment of the application
Figure.
Fig. 4 is the installation diagram according to a kind of onboard electrical heating device of one embodiment of the application.
Specific implementation mode
It is specific below in conjunction with the utility model to keep the purpose of this utility model, technical solution and advantage clearer
Technical scheme is clearly and completely described in embodiment and corresponding attached drawing.Obviously, described embodiment is only
Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art
The every other embodiment obtained without making creative work, shall fall in the protection scope of this application.Below
In conjunction with attached drawing, the technical solution that each embodiment of the application provides is described in detail.
Fig. 1 is according to a kind of explosive view of onboard electrical heating device of one embodiment of the application, institute as shown in Figure 1
State onboard electrical heating device include heating core assembly 4, heating tube shell 3, heating water jacket 1, guard assembly 8, tabletting flange 5,
Fixing piece 6, the first connector 7 and the second connector 2.Wherein heating core assembly 4 is fixed on by tabletting flange 5 and fixing piece 6
It heats in tube shell 3, heating tube shell 3 is tightly connected with guard assembly 8 by the first connector 7, heating tube shell 3 and heating
Water jacket 1 is tightly connected by the second connector 2, during the work time heat core assembly 4 generate heat, heat by the radiation of itself with
And the cross-ventilation between heats component 4 and heating 3 inner wall of tube shell, heating tube shell 3 is conducted heat to, then by adding
Thermotube shell 3 heats the anti-icing fluid for flowing through its surface.Guard assembly 8 include waterproof PG connectors 8a and the electricity that is arranged outside it
The side of cable sheath 8b, waterproof PG connectors 8a are provided with the 4th chuck flange-interface 8c.
Specifically, the heating core assembly 4 includes pull rod 4a, head 4d and core 4e, core 4e is internally provided with hole (not
Show), head 4d is connected on core 4e, and the diameter of head 4d is more than the diameter of core 4e and right side is provided with the first binding post
The the first mounting hole 4g installations of 4b, second binding post 4c the first mounting hole 4g and the second mounting hole 4f, pull rod 4a across head 4d
In the hole inside core 4e, play the role of fixed.The tubular that tube shell 3 is in one end open is heated, open end is provided with the
One chuck flange-interface 3d and the second chuck flange-interface 3c, the middle part on surface and the other end opposite to the open end are provided with
The the first support ring 3a and the second support ring 3b of notch gear type structure.Heating water jacket 1 is the cylinder for being internally provided with endoporus 1d, is added
One end of hot water jacket 1 is equipped with the 4th chuck flange-interface 1c, and the other end is equipped with water outlet 1b, and side is equipped with water inlet 1a.Protection
Component 8 includes waterproof PG connectors 8a and is arranged in cable cover(ing) 8b, and the side of waterproof PG connectors 8a is provided with third chuck flange
Interface 8c, the other side are provided with the ring cable sheath 8b around waterproof PG connectors, prevent it from being overlapped with metal shell.First connects
Connected components 7 include that the first ring card 7a and the first chuck sealed pad 7b.Second connector 2 includes that the second ring card 2a and the second chuck are close
Packing 2b.The core 4e for heating core assembly 4 is inserted into inside heating tube shell 3, and fixing piece 6 passes through tabletting flange 5 and heating core group
The head 4d for heating core assembly 4 is fixed on third chuck flange-interface 3d by the second mounting hole 4f on 4 head of part, and then will
Heating core assembly 4 is fixed on the inside of heating tube shell 3.Heat 4 head 4d right ends setting of core assembly the first binding post 4b, the
Two binding post 4c and the inside that waterproof PG connectors 8a is placed on across the pull rod 4a of head 4d, the first ring card 7a is by the first chuck method
Blue interface 3d and third chuck flange-interface 8c link together, and the first chuck sealed pads 7b and is arranged in the first chuck flange-interface
Between 3d and third chuck flange-interface 8c, achieve the effect that sealed connection.Heat the endoporus that tube shell 3 is inserted into heating water jacket 1
In 1d, the second ring card 2a links together the 4th chuck flange-interface 1c and the second chuck flange-interface 3c, and the second chuck is close
Packing 2b is arranged between the second chuck flange-interface 3c and the 4th chuck flange-interface 1c, achievees the effect that sealed connection.Its
The the first support ring 3a and the second support ring 3b and 1 endoporus 1d dimensional fits of heating water jacket of 3 surface of middle heating tube shell setting, with
Second chuck flange-interface 3c together plays a supporting role to heating water jacket 1, in heating water jacket 1 and heating 3 intermediate shape of tube shell
At a cavity for fluids such as heating and anti-freezing liquid.
In the operating condition, the liquid such as anti-icing fluid enter heating water jacket 1 and heating tube by the water inlet 1a of heating water jacket 1
Cavity between shell 3, the first support ring 3a and the second support ring 3b of heating tube shell 3 are notch gear structure, herein mistake
It ensure that liquid smooth flow in journey, there is a situation where current limlitings and throttling.Heats component 4 generates heat, and heat passes through itself
Radiation and heats component 4 and heating 3 inner wall of tube shell between cross-ventilation, conduct heat to heating tube shell
3, then the anti-icing fluid for flowing through its surface is heated by heating tube shell 3.Then heating after anti-icing fluid by heating water jacket 1 water outlet
Mouth 1b outflows, are heated into the other structures of new-energy automobile circulation line, and then to other structures.
In the embodiment of the application, heating core assembly 4 uses ceramic heat core, copes with 300VDC and arrives
The electrical high direct voltage of 700VDC realizes the different capacity output from several kilowatts to tens kilowatt.
Embodiment described above provides a kind of heating tube shells 3 and heating core assembly 4 using platen flange 5 and admittedly by the application
Determine the connection type of the connection of part 6, this connection type is simple in structure, stablizes and be convenient for repeated disassembled and assembled, is conducive to detection and repair.Simultaneously
The first support ring 3a, the second support ring 3b and the second chuck flange-interface 3c supported at three points that the application the above embodiment provides
Structure is avoided due to cantilever simple beam structure caused by the second chuck flange-interface 3c single-point supports, improves whole connection
And support stiffness, so that the onboard electrical heating device is met vibration and the impact demand of vehicle-mounted requirement.
Fig. 2 is according to a kind of onboard electrical heating device cross-sectional view of the structure of one embodiment of the application, according to Fig. 3
A kind of partial enlarged view of the onboard electrical heating device cross-sectional view of the structure of one embodiment of the application.Such as Fig. 2 and Fig. 3 institutes
Show, a kind of onboard electrical heating device of one embodiment of the application includes heating core assembly 4, heating tube shell 3 and heating
1 three-decker of water jacket, wherein hot core assembly 4 is connect by tabletting flange 5 and fixing piece 6 with heating tube shell 3, the first connection group
Part 7 will heat tube shell 3 and guard assembly 8 is tightly connected, and the second connection component 2 is close by heating inner liner component B and heating water jacket 1
Envelope connection.
Core assembly 4 is heated in the application the above embodiment and the connection type of heating tube shell 3 is simple and reliable, convenient for tearing open
Dress.The sealed connection mode that guard assembly 8 and heating tube shell 3 and heating water jacket 1 and heating tube shell use is " chuck method
Blue formula " connects, and all realizes single-point clamping to circulation waterway interface and electric interfaces, single-point sealing solves internal recirculated water
Sealing and insulating protection of the road with external electric high-voltage interface.
Fig. 4 is the installation diagram according to a kind of onboard electrical heating device of one embodiment of the application, as shown in figure 4,
The the first insulation pipe clamp 9a and the second insulation pipe clamp 9b and exterior body knot that the onboard electrical heating device passes through corresponding caliber
Structure connects, and the mounting means is simple and firm.
In conclusion the application the above embodiment provide onboard electrical heating device is simple in structure, sealed reliable, just
In dismounting and vibration and shock resistant, while output power can be changed according to demand and uses voltage, meet current new energy vapour
The demand of vehicle-to-vehicle on-board electrical heating device.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation be not limited to the utility model although the utility model has been disclosed with preferred embodiment as above, it is any ripe
Know professional and technical personnel, do not departing within the scope of technical solutions of the utility model, when using the disclosure above method and
Technology contents make a little change or the equivalent embodiment for being modified to equivalent variations, as long as being without departing from the utility model technology
The content of scheme, it is made by the above technical examples according to the technical essence of the present invention it is any it is simple modification, equivalent variations with
Modification, is still within the scope of the technical solutions of the present invention.
Claims (13)
1. a kind of onboard electrical heating device, which is characterized in that including heating core assembly, heating tube shell, heating water jacket, protection
Component, tabletting flange, fixing piece, the first connector and the second connector, wherein heating core assembly passes through tabletting flange and fixation
Part is fixed in heating tube shell, and heating tube shell is tightly connected with guard assembly by the first connector, and heating tube shell is inserted
Enter in heating water jacket and be tightly connected by the second connector with heating water jacket, heats core assembly fever, heat during the work time
Amount is conducted heat to and is added by the cross-ventilation between the radiation of itself and heats component and heating tube inner walls
Thermotube shell, then heated by anti-icing fluid of the heating tube shell convection current through its surface.
2. onboard electrical heating device according to claim 1, which is characterized in that the heating core assembly include head,
Core and pull rod, core are internally provided with hole, and the diameter on head is more than the diameter of core and is provided with the first binding post, the second wiring
Column, the first mounting hole and the second mounting hole, head are connected on core, and pull rod passes through first mounting hole on head to be mounted on core
It is interior.
3. onboard electrical heating device according to claim 2, which is characterized in that the heating tube shell is cylindrical in shape and one
Side opening, open end are provided with spaced first chuck flange-interface and the second chuck flange-interface, heat tube shell table
The middle part in face and one end opposite to the open end are respectively equipped with the first support ring and the second support ring.
4. onboard electrical heating device according to claim 3, which is characterized in that heating core assembly is inserted into heating tube shell
Inside, fixing piece pass through tabletting flange and heat second mounting hole on core assembly head, the head for heating core assembly is fixed on
On first chuck flange-interface, and then heating core assembly is fixed on to the inside for heating tube shell.
5. onboard electrical heating device according to claim 4, which is characterized in that first connector includes the first ring
Card and the first chuck sealed pad, second connector include the second ring card and the second chuck sealed pad.
6. onboard electrical heating device according to claim 5, which is characterized in that the guard assembly includes that waterproof PG connects
Head and cable cover(ing), the side of waterproof PG connectors are provided with third chuck flange-interface, are provided with outside the other side around waterproof
The cable cover(ing) of PG connectors.
7. onboard electrical heating device according to claim 6, which is characterized in that the first wiring of the heating core assembly
Column, the second binding post and pull rod stretch out the inside for being partially disposed in waterproof PG connectors on heating core assembly head, the first ring card
The third chuck flange-interface of the first chuck flange-interface and the waterproof PG connectors on the heating tube shell is connected to
Together, the first chuck sealed pad is arranged between the first chuck flange-interface and third chuck flange-interface, reaches sealed connection
Effect.
8. onboard electrical heating device according to claim 5, which is characterized in that the heating water jacket is in being internally provided with
The cylinder in hole, one end are equipped with the 4th chuck flange-interface, and the other end is equipped with water outlet, and side is equipped with water inlet.
9. onboard electrical heating device according to claim 8, which is characterized in that the heating tube shell is inserted into heating water
The endoporus of set, the second ring card by it is described heating tube shell the second chuck flange-interface and the heating water jacket the 4th chuck method
Blue interface links together, and the second chuck sealed pad is arranged between the second chuck flange-interface and the 4th chuck flange-interface,
Achieve the effect that sealed connection.
10. onboard electrical heating device according to claim 9, which is characterized in that first support ring and second
Pushing out ring coordinates with heating water jacket's hole size, plays a supporting role, is adding to heating water jacket together with the second chuck flange-interface
A cavity for being used for heating and anti-freezing liquid is formed among hot water jacket and heating inner liner component.
11. onboard electrical heating device according to claim 10, which is characterized in that first support ring and second
Pushing out ring is gear-like gap structure, ensure that the passability and flow demand of fluid.
12. onboard electrical heating device according to claim 2, which is characterized in that the core of the heating core assembly is adopted
With ceramic heat core.
13. onboard electrical heating device according to claim 11, which is characterized in that in the operating condition, anti-icing fluid is logical
The water inlet for crossing heating water jacket enters heating water jacket and heats the cavity between tube shell, the fever of heats component, and heat is logical
Cross itself radiation and heats component and heating tube inner walls between cross-ventilation, conduct heat to heating tube
Shell, then heated by anti-icing fluid of the heating tube shell convection current through its surface, anti-icing fluid the going out by heating water jacket after then heating
It flows out at the mouth of a river.
Priority Applications (1)
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CN201721813759.7U CN207772830U (en) | 2017-12-22 | 2017-12-22 | A kind of onboard electrical heating device |
Applications Claiming Priority (1)
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CN201721813759.7U CN207772830U (en) | 2017-12-22 | 2017-12-22 | A kind of onboard electrical heating device |
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CN207772830U true CN207772830U (en) | 2018-08-28 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107953745A (en) * | 2017-12-22 | 2018-04-24 | 北京亿华通科技股份有限公司 | A kind of onboard electrical heating unit |
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2017
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107953745A (en) * | 2017-12-22 | 2018-04-24 | 北京亿华通科技股份有限公司 | A kind of onboard electrical heating unit |
CN107953745B (en) * | 2017-12-22 | 2024-01-19 | 北京亿华通科技股份有限公司 | Vehicle-mounted electric heating device |
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