CN109788584A - A kind of ptc heater - Google Patents
A kind of ptc heater Download PDFInfo
- Publication number
- CN109788584A CN109788584A CN201910185252.9A CN201910185252A CN109788584A CN 109788584 A CN109788584 A CN 109788584A CN 201910185252 A CN201910185252 A CN 201910185252A CN 109788584 A CN109788584 A CN 109788584A
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- stream unit
- gear stream
- unit
- wall
- copper electrode
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- Air-Conditioning For Vehicles (AREA)
Abstract
The present invention provides a kind of ptc heaters, including shell, inlet and liquid outlet are offered on the shell, cooling passage is offered in the shell, first gear stream unit and second gear stream unit are provided in the cooling passage, the first gear stream unit and second gear stream unit are successively spaced setting along water (flow) direction, the first gear stream unit extends from first inner wall in channel to the second inner wall and has gap between the second inner wall, the second gear stream unit extends from second inner wall in channel to the first inner wall and has gap between the first inner wall, first inner wall is oppositely arranged with the second inner wall, the electrical termination that PTC heating element and PTC heating element are provided in the first gear stream unit and second gear stream unit all extends to the outside of corresponding baffle component.The present invention is a kind of new-energy automobile heater based on PTC heating resistor, has many advantages, such as that heating efficiency is high, power is big, highly-safe.
Description
Technical field
The present invention relates to heater context more particularly to a kind of ptc heaters.
Background technique
New-energy automobile has been put into the industrial development planning of State-level, and substitution conventional fuel oil car has been general trend of events institute
Become.Different from traditional fuel vehicle, the solar panel heating of new-energy automobile, air conditioning warm air system etc. are required to independent heating
Device, PTC are the ideal materials of vehicle heating appliance as a kind of positive temperature coefficient semiconductor material.Traditional ptc heater adds
The thermal efficiency is not high, and heating effect is bad, is also easy to that safety accident occurs, one kind that the present invention is based on PTC heating resistor is new
Energy automobile heater has many advantages, such as that heating efficiency is high, power is big, highly-safe.
Summary of the invention
It is an object of the invention to overcome the defect of the prior art, a kind of ptc heater is provided, to obtain a kind of heating
Heater high-efficient, power is big, highly-safe.
The present invention is implemented as follows:
The present invention provides a kind of ptc heater, including shell, and inlet and liquid outlet are offered on the shell, described
Cooling passage is offered in shell, and first gear stream unit and second gear stream unit are provided in the cooling passage, it is described
First gear stream unit and second gear stream unit are successively spaced setting along water (flow) direction, and the first gear stream unit is by the of channel
One inner wall extend to the second inner wall and between the second inner wall have gap, the second gear stream unit by channel the second inner wall
Extending to the first inner wall and there is gap between the first inner wall, first inner wall is oppositely arranged with the second inner wall, and described the
The electrical termination that PTC heating element and PTC heating element are provided in one baffle component and second gear stream unit all extends to pair
Answer the outside of baffle component.
Preferably, first gear stream unit and second gear stream unit are least partially overlapped along water (flow) direction.
Preferably, being separated between two adjacent first gear stream units by second gear stream unit, adjacent two
It is separated between second gear stream unit by first gear stream unit.
Preferably, the ptc heater further includes pcb board, control panel, the height being electrically connected with vehicle high voltage supply system
Crimping plug-in unit and the low pressure connector being electrically connected with vehicle low-pressure system, the PTC heating element are electrically connected with the pcb board,
The pcb board is electrically connected with the control panel, and the high-voltage connector and low pressure connector are electrically connected with the control panel.
Preferably, the ptc heater further includes control box, the control box is connected with the shell, the control
Plate is mounted in the control box, and the high-voltage connector and the low pressure connector are installed on the control box.
Preferably, the PTC heating element includes PTC heating resistor, the first copper electrode piece, the second copper electrode piece,
One unit of plastic and insulating film, the first copper electrode piece and the second copper electrode piece are coated with electrode with the PTC heating resistor respectively
Opposite two side be in contact, the first copper electrode piece and the second copper electrode piece all have stretching of being electrically connected with pcb board
The extension end of outlet, the first copper electrode piece and the second copper electrode piece is located at the same side of the PTC heating resistor, and described
One unit of plastic coats the PTC heating resistor close to the side of the extension end, first unit of plastic and second bronze medal electricity
Pole piece is connected, and the PTC heating resistor is coated with the second unit of plastic, the insulating film packet far from the side of first unit of plastic
Cover second unit of plastic, the first copper electrode piece and the second copper electrode piece.
Preferably, first unit of plastic and the second copper electrode piece are integrally formed.
Preferably, the PTC heating element further includes U-shaped elastic slice and for the PTC heating element to be fixed to the
Wedge block in one baffle component or second gear stream unit, the U-shaped elastic slice coat the insulating film, the wedge block install in
On the U-shaped elastic slice.
Preferably, the first gear stream unit and second gear stream unit are U-shaped.
The invention has the following advantages:
Equipped with multiple first gear stream units and second gear for placing PTC heating element in ptc heater provided by the invention
Stream unit, the wavy gap that coolant liquid is formed between first gear stream unit and second gear stream unit are flowed through, so that cooling
Liquid energy stay long enough in ptc heater, along with there is enough heat sources to heat, power is big, so that its heating effect
Rate is much higher than other heaters, and ptc heater provided by the invention is additionally provided with control panel, and all PTC heating elements pass through
Pcb board is electrically connected with control panel, and high-voltage connector and low pressure connector are electrically connected with the control panel, and ptc heater passes through
High-voltage connector and vehicle high voltage supply system are connected to provide power supply, are connected by low pressure connector and vehicle low-pressure system,
Car owner can control ptc heater by the control panel of driver's cabin, so the spy of the present invention also with high security
Point.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is ptc heater cavity internal cross section figure provided in an embodiment of the present invention；
Fig. 2 is the explosive view of PTC heating element provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram of PTC heating element provided in an embodiment of the present invention；
Fig. 4 is the partial schematic diagram of ptc heater provided in an embodiment of the present invention；
Fig. 5 is lower case schematic diagram provided in an embodiment of the present invention；
Fig. 6 is upper housing schematic diagram provided in an embodiment of the present invention；
Fig. 7 is ptc heater explosive view provided in an embodiment of the present invention；
Fig. 8 is ptc heater schematic diagram provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Such as Fig. 1-Fig. 8, the embodiment of the present invention provides a kind of ptc heater, including shell, offers feed liquor on the shell
Mouthfuls 21 and liquid outlet 22, cooling passage is offered in the shell, and first gear stream unit is provided in the cooling passage
11 with second gear stream unit 12, the first gear stream unit 11 is successively spaced along water (flow) direction with second gear stream unit 12 to be set
It sets, the first gear stream unit 11 extends from first inner wall in channel to the second inner wall and has between the second inner wall gap,
The second gear stream unit 12 extends from second inner wall in channel to the first inner wall and has gap between the first inner wall, described
First inner wall is oppositely arranged with the second inner wall, is provided with PTC in the first gear stream unit 11 and second gear stream unit 12 and is added
The electrical termination of thermal element 3 and PTC heating element 3 all extends to the outside of corresponding baffle component.The embodiment of the present invention provides PTC and adds
Hot device has flow-disturbing effect, prevent coolant liquid is from along straight because being provided with first gear stream unit 11 and second gear stream unit 12
Line flowing, increased resident time of the coolant liquid in the cooling passage, so that heating effect is more preferable.
Preferably, first gear stream unit 11 and second gear stream unit 12 are least partially overlapped along water (flow) direction.So that cold
But liquid flows through in the wavy gap that first gear stream unit 11 is formed with second gear stream unit 12, so that coolant liquid is in PTC
It can stay long enough in heater.
Preferably, being separated between two adjacent first gear stream units 11 by second gear stream unit 12, adjacent two
It is separated between a second gear stream unit 12 by first gear stream unit 11.
Preferably, the first gear stream unit 11 and second gear stream unit 12 are U-shaped.
Preferably, the ptc heater further includes pcb board 5, control panel, is electrically connected with vehicle high voltage supply system
High-voltage connector 9 and the low pressure connector 10 being electrically connected with vehicle low-pressure system, the PTC heating element 3 and the pcb board 5
Electrical connection, the pcb board 5 is electrically connected with the control panel, the high-voltage connector 9 and low pressure connector 10 with the control
Plate electrical connection.
Preferably, the ptc heater further includes control box 7, the control box 7 is connected with the shell, the control
Making sheet is mounted in the control box 7, and the high-voltage connector 9 and the low pressure connector 10 are installed in the control box 7
On.
Equipped with multiple first gear stream units and second gear for placing PTC heating element 3 in ptc heater provided by the invention
Stream unit, the wavy gap that coolant liquid is formed between first gear stream unit and second gear stream unit are flowed through, so that cooling
Liquid energy stay long enough in ptc heater, along with there is enough heat sources to heat, power is big, so that its heating effect
Rate is much higher than other heaters, and ptc heater provided by the invention is additionally provided with control panel, and all PTC heating elements 3 pass through
Pcb board is electrically connected with control panel, and high-voltage connector and low pressure connector are electrically connected with the control panel, and ptc heater passes through
High-voltage connector and vehicle high voltage supply system are connected to provide power supply, are connected by low pressure connector and vehicle low-pressure system,
Car owner can control ptc heater by the control panel of driver's cabin, so the spy of the present invention also with high security
Point.
In the present embodiment, the shell includes upper housing 1 and lower case 2, and first gear stream unit 11 is in the upper housing 1
On, second gear stream unit 12 is in the lower case 2.
Preferably, the upper housing 1 and lower case 2 are connected by screw to, it is easy to disassemble and install.
Preferably, the PTC heating element 3 includes PTC heating resistor 38, the first copper electrode piece 34, the second copper electrode
Piece 35, the first unit of plastic 36, insulating film 33, U-shaped elastic slice 32 and for by the PTC heating element be fixed to first gear stream unit
11 or second gear stream unit 12 in wedge block 31, the first copper electrode piece 34 and the second copper electrode piece 35 respectively with it is described
Opposite two side that PTC heating resistor 38 is coated with electrode is in contact, the first copper electrode piece 34 and the second copper electrode piece
35 all have the extension end being electrically connected with pcb board 5, and the extension end of the first copper electrode piece 34 and the second copper electrode piece 35 is located at
The same side of the PTC heating resistor 38, first unit of plastic 36 coat the PTC heating resistor 38 close to the extension end
Side, first unit of plastic 36 is connected with the second copper electrode piece 35, and the PTC heating resistor 38 is far from described first
The side of unit of plastic 36 is coated with the second unit of plastic 37, and the insulating film 33 coats second unit of plastic 37, the first copper electrode
Piece 34 and the second copper electrode piece 35, the U-shaped elastic slice 32 coat the insulating film 33, and the wedge block 31 is installed in the U-shaped
On elastic slice 32.
Preferably, first unit of plastic 36 and the second copper electrode piece 35 are integrally formed.
In the present embodiment, shell forms closed containing cavity, the intracorporal first gear stream unit 11 of shell and second gear stream unit 12
Interlaced setting forms fluid medium channel；The side wall of first gear stream unit 11 and second gear stream unit 12 is by PTC heating unit
Part 3 and fluid isolation；PTC heating element 3 is by PTC heating resistor 38, the first copper electrode piece 34, the second copper electrode piece 35, first
Unit of plastic 36, the second unit of plastic 37, U-shaped elastic slice 32, insulating film 33, wedge block 31 form, be fixed on first gear stream unit 11 or
In second gear stream unit 12.
Such as Fig. 1, PTC heating element 3 is respectively placed in first gear stream unit 11 and second gear stream unit 12.
The screw thread via hole 13 of upper housing 1 and the threaded hole 23 of lower case 2 are connected by screw to, 2 shape of upper housing 1 and lower case
At closed containing cavity.
Such as Fig. 2 of PTC heating element 3 shows, the two sides of PTC heating resistor 38, and surface is coated with silver or aluminium electrode, with the
One copper electrode piece 34 and the contact of the second copper electrode piece 35, the first unit of plastic 36 and the second copper electrode piece 35 are molded and are integrated, with the
Two unit of plastics 37 clamp 38 top and bottom of PTC heating resistor.Then the first copper electrode piece 34 and the second bronze medal are affixed on insulating film 33
35 surface of electrode slice, effect are insulation.Above-mentioned PTC heating element 3 is clamped with U-shaped elastic slice 32 again, finally by wedge block 31
PTC heating element 3 is fixed in first gear stream unit 11 and second gear stream unit 12.
First then 4 sets of plastic frame are placed in pcb board 5 on plastic frame 4 on PTC heating element 3, the first bronze medal electricity
Pole piece 34 and the second copper electrode piece 35 are connect by soldering with pcb board 5.Upper housing 1 and the PTC heating element 3 of lower case 2 are all pressed
It is installed in this way.
All PTC heating elements 3 are carried out parallel connection by the circuit of pcb board 5, and the positive and negative electrode of PTC heating resistor 38 is drawn
Enter into control box 7.
It is provided with control panel in control box 7, control panel controls high-pressure system using LIN or CAN communication agreement.
As shown in figure 4, ptc heater is connected by high-voltage connector 9 and vehicle high voltage supply system to provide power supply, lead to
Too low crimping plug-in unit 10 is connected with vehicle low-pressure system, and car owner can carry out ptc heater by the control panel of driver's cabin
Control.
As shown in fig. 7, control box 7 is fastened with upper housing 1 and lower case 2 by four screws, then with control box
Cover board 8 is sealed, and control lid plate 8 and control 7 contact surface of box use sealant progress adhering and sealing.
As shown in fig. 7, upper housing 1 and 6 contact surface of cover board carry out adhering and sealing using sealant, lower case 2 connects with cover board 6
Contacting surface carries out adhering and sealing using sealant.The pcb board 5 being located above is omitted in Fig. 7.
As shown in figure 4, coolant liquid, which enters heater by inlet 21, closes cavity, by the heating of PTC heating element 3
Afterwards, then hot water is transferred to automobile by liquid outlet 22 needs components to be heated.
Ptc heater provided by the invention, upper housing 1 and lower case 2 are connected by screw to the closed containing cavity of composition, and first
The mutual interlaced arrangement of protrusion split-phase of baffle component 11 and second gear stream unit 12 forms the channel of coolant liquid, the first baffle portion
The female parts of part 11 and second gear stream unit 12 place PTC heating element 3.First gear stream unit 11 and second gear stream unit 12
Side wall PTC heating element 3 and coolant liquid are isolated, so that female parts is become heating chamber, protrude following for coolant liquid between part
Ring cavity.
The upper housing 1 has at least one first gear stream unit 11, and lower case 2 has at least one second baffle portion
Part 12.
Ptc heater provided in this embodiment, using liquid as medium, liquid medium is heated by PTC heating element, warp
The liquid in-out mouth for crossing heater is constantly recycled by the cavity of shell.Ptc heater provided in this embodiment has control function
Can, control 200V~500V high-pressure system is gone with the low-voltage circuit of 12V, is provided simultaneously with overcurrent, the protection function that excess temperature automatically powers off
Can, guarantee product and personnel safety.Ptc heater provided in this embodiment, shell use metal material, can be very good to solve
Certainly Electro Magnetic Compatibility (EMC) problem of electronic component.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of ptc heater, it is characterised in that: including shell, inlet and liquid outlet, the shell are offered on the shell
Cooling passage is offered in vivo, is provided with first gear stream unit and second gear stream unit in the cooling passage, described
One baffle component and second gear stream unit are successively spaced setting along water (flow) direction, and the first gear stream unit is by the first of channel
Inner wall extend to the second inner wall and between the second inner wall have gap, the second gear stream unit from second inner wall in channel to
First inner wall extends and has gap between the first inner wall, and first inner wall is oppositely arranged with the second inner wall, and described first
Be provided in baffle component and second gear stream unit PTC heating element and PTC heating element electrical termination all extend to it is corresponding
The outside of baffle component.
2. ptc heater as described in claim 1, it is characterised in that: along water (flow) direction, first gear stream unit and the second baffle
Component is least partially overlapped.
3. ptc heater as described in claim 1, it is characterised in that: by the between two adjacent first gear stream units
Second gear stream unit separates, and is separated between two adjacent second gear stream units by first gear stream unit.
4. ptc heater as described in claim 1, it is characterised in that: further include pcb board, control panel and vehicle high voltage supply
The high-voltage connector of system electrical connection and the low pressure connector being electrically connected with vehicle low-pressure system, the PTC heating element and institute
State pcb board electrical connection, the pcb board is electrically connected with the control panel, the high-voltage connector and low pressure connector with it is described
Control panel electrical connection.
5. ptc heater as claimed in claim 4, it is characterised in that: further include control box, the control box and the shell
It is connected, the control panel is mounted in the control box, described in the high-voltage connector and the low pressure connector are installed in
It controls on box.
6. ptc heater as described in claim 1, it is characterised in that: the PTC heating element includes PTC heating resistor,
One copper electrode piece, the second copper electrode piece, the first unit of plastic and insulating film, the first copper electrode piece and the second copper electrode piece difference
The two opposite sides for being coated with electrode with the PTC heating resistor are in contact, the first copper electrode piece and the second copper electrode
Piece all has the extension end being electrically connected with pcb board, and the extension end of the first copper electrode piece and the second copper electrode piece is located at described
The same side of PTC heating resistor, first unit of plastic coat the PTC heating resistor close to the side of the extension end, institute
It states the first unit of plastic to be connected with the second copper electrode piece, the PTC heating resistor is wrapped far from the side of first unit of plastic
It is covered with the second unit of plastic, the insulating film coats second unit of plastic, the first copper electrode piece and the second copper electrode piece.
7. ptc heater as claimed in claim 6, it is characterised in that: first unit of plastic and the second copper electrode piece
It is integrally formed.
8. ptc heater as claimed in claim 6, it is characterised in that: the PTC heating element further includes U-shaped elastic slice and use
In the wedge block being fixed to the PTC heating element in first gear stream unit or second gear stream unit, the U-shaped elastic slice cladding
The insulating film, the wedge block are installed on the U-shaped elastic slice.
9. ptc heater as described in claim 1, it is characterised in that: the first gear stream unit and second gear stream unit are equal
For U-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910185252.9A CN109788584A (en) | 2019-03-12 | 2019-03-12 | A kind of ptc heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910185252.9A CN109788584A (en) | 2019-03-12 | 2019-03-12 | A kind of ptc heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109788584A true CN109788584A (en) | 2019-05-21 |
Family
ID=66489055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910185252.9A Pending CN109788584A (en) | 2019-03-12 | 2019-03-12 | A kind of ptc heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109788584A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110053453A (en) * | 2019-05-29 | 2019-07-26 | 南京协众汽车空调集团有限公司 | A kind of new-energy automobile PTC liquid heater |
-
2019
- 2019-03-12 CN CN201910185252.9A patent/CN109788584A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110053453A (en) * | 2019-05-29 | 2019-07-26 | 南京协众汽车空调集团有限公司 | A kind of new-energy automobile PTC liquid heater |
| CN110053453B (en) * | 2019-05-29 | 2024-04-09 | 协众国际热管理系统(江苏)股份有限公司 | PTC liquid heater for new energy automobile |
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