CN109986929A - A kind of high-efficiency vehicle-mounted metal PTC heater - Google Patents
A kind of high-efficiency vehicle-mounted metal PTC heater Download PDFInfo
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- CN109986929A CN109986929A CN201910318036.7A CN201910318036A CN109986929A CN 109986929 A CN109986929 A CN 109986929A CN 201910318036 A CN201910318036 A CN 201910318036A CN 109986929 A CN109986929 A CN 109986929A
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- Prior art keywords
- heat generating
- core
- die casting
- cavity
- metal heat
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 62
- 239000002184 metal Substances 0.000 title claims abstract description 62
- 238000004512 die casting Methods 0.000 claims abstract description 35
- 238000009413 insulation Methods 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims description 25
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000005266 casting Methods 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 description 8
- 239000000919 ceramic Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000011889 copper foil Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 206010037660 Pyrexia Diseases 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
- 229910002113 barium titanate Inorganic materials 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
- B60H1/00278—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
- B60H1/2218—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters controlling the operation of electric heaters
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Heating (AREA)
Abstract
The invention discloses a kind of high-efficiency vehicle-mounted metal PTC heaters, including outer casing upper cover and shell lower cover, outer casing upper cover is mounted under shell on lid, outer casing upper cover and shell lower cover form the cavity of sealing, thermal insulation board is equipped in the cavity, the cavity is separated into independent upper cavity and lower chamber by thermal insulation board；There is control circuit board in the upper cavity, there is die casting core and metal heat generating core in the lower chamber, the metal heat generating core is located in the die casting core, the metal heat generating core and control circuit board electrical connection.The present invention has many advantages, such as that thermal conversion rate is high, heat source temperature is high.
Description
Technical field
The present invention relates to ptc heaters, belong to a kind of high-efficiency vehicle-mounted metal PTC heater.
Background technique
Vehicle PTC water-warming heater is to follow the heating system of fuel-engined vehicle using electric energy heating anti-icing fluid, solves defrosting
A series of problems, such as with compartment heating, battery thermal.Currently, ptc heater on the market is all using PTC ceramics as fever
Source, it is principal component that ceramic PTC, which is by barium titanate (or strontium, lead), adds a small amount of alms giver (Y, Nb, Bi, Sb), acceptor (Mn, Fe) member
The additives such as element and glass (silica, aluminium oxide), through semiconductive ceramic made of oversintering.This kind of ptc heater heat turns
Rate is changed generally in 89%-92%, and is capable of providing the heat source of 250 degrees centigrades, the lower, heat source temperature with thermal conversion rate
The disadvantages of lower.
Summary of the invention
The object of the present invention is to provide a kind of high-efficiency vehicle-mounted metal PTC heaters, have thermal conversion rate height, heat source temperature
Spend the advantages that high.
In order to solve the above technical problems, the present invention adopts the following technical scheme that:
A kind of high-efficiency vehicle-mounted metal PTC heater, including outer casing upper cover and shell lower cover, outer casing upper cover are mounted under shell
It covers, outer casing upper cover and shell lower cover form the cavity sealed, thermal insulation board are equipped in the cavity, thermal insulation board divides the cavity
It is divided into independent upper cavity and lower chamber；There is control circuit board in the upper cavity, there is die casting core in the lower chamber
With metal heat generating core, the metal heat generating core is located in the die casting core, the metal heat generating core and the control circuit board
Electrical connection；Control circuit board includes low voltage connector, linear voltage regulator, CAN module, microprocessor, temperature sensor, IGBT drive
Dynamic, IGBT, current detection circuit and high-tension connector, linear voltage regulator and CAN module are electrically connected with the low voltage connector,
Linear voltage regulator and CAN module and the microprocessor electrical connection, temperature sensor, current detection circuit and IGBT driving and
The microprocessor electrical connection, IGBT drives and current detection circuit is sent out with IGBT electrical connection, IGBT and the metal
Hot core electrical connection, metal heat generating core and the current detection circuit are electrically connected with the high-tension connector.
In a kind of high-efficiency vehicle-mounted metal PTC heater above-mentioned, the metal heat generating core is spiral, spiral helicine metal
Heat conducting pipe is arranged in heat generating core, heat conducting pipe runs through the die casting core.
In order to promote the contact area of conduction oil and the die casting core, heat transfer efficiency, a kind of efficient vehicle above-mentioned are promoted
It carries in metal PTC heater, the top of the lower chamber, the height of the die casting core is fixed at the top of the die casting core
Less than the height of the lower chamber, the width of the die casting core is less than the width of the lower chamber, the length of the die casting core
Degree is less than the length of the lower chamber.
In a kind of high-efficiency vehicle-mounted metal PTC heater above-mentioned, it is covered with seal groove under the shell, in the seal groove
Equipped with sealing strip, sealing strip is located on the shell between lid and shell lower cover, and outer casing upper cover and shell lower cover clamp the sealing strip.
In a kind of high-efficiency vehicle-mounted metal PTC heater above-mentioned, the outer casing upper cover is equipped with air hole.
In a kind of high-efficiency vehicle-mounted metal PTC heater above-mentioned, one end of the shell lower cover is equipped with thermally conductive import, described
The other end of shell lower cover is equipped with catheter outlet.
Linear voltage regulator is a kind of linear voltage regulator for meeting vehicle rule and requiring, and inputs 12V from low voltage connector, exports 5v,
5V power supply is provided for other chips of this module.
CAN module transmits relevant data information using CAN chip, is to prevent automobile within the service life phase due to number
Danger is caused to driver according to exchange mistake, the security system of automobile requires data to transmit safety with higher.If number
It is sufficiently high according to the reliability of transmission, or if the error in data that left behind is sufficiently low, this target is not difficult to realize.From bus
From the point of view of system data, reliability it is to be understood that transmission process generate error in data recognition capability.Residual data
The probability of mistake can be obtained by the statistical measurement to data transmission credibility.It describe transmission data be destroyed with it is this
Destroy the probability that cannot be detected.Residual data error probability must be very small, makes it in the entire life cycle of system,
It is nearly no detectable when by average statistics.Calculating residual error probability demands can classify to error in data, and data
Transmission path can be described by a model.If determining the residual error probability of CAN, we can using the probability of residual errors as
The function of bit-errors probability when being transmitted with 80~90 messages, and assume there are 5~10 stations in this system, and mistake
Rate is 1/1000, then dominant bit error probability is 10-13 orders of magnitude.For example, the data transmission rate of CAN network is up to
1Mbps is for working life 4000 hours, average message length if data transmission capabilities are used only 50%
80 systems, the total amount of data transmitted are 9 × 1010.Within the system service life phase, undetectable error of transmission
Statistical average is less than 10-2 magnitudes.In other words, a system is pressed annual 365 days, and work 8 hours, error rate per second are daily
0.7 calculates, then pressing statistical average, a undetectable mistake can just occur within every 1000.
Microcontroller, also known as one chip microcomputer (Single Chip Microcomputer) or single-chip microcontroller, are handles
Central processing unit (Central Process Unit；CPU frequency) and specification do appropriate reduction, and by memory (memory),
The perimeter interfaces such as counter (Timer), USB, A/D conversion, UART, PLC, DMA or even LCD driving circuit are all incorporated into single
On chip, the computer of chip-scale is formed, does various combination control for different applications.
IGBT driving is driving IGBT module so that it can be allowed to work normally, and the circuit protected simultaneously to it.Insulation
Grid bipolar junction transistor (IGBT) has been widely used in the field of power electronics of today, removes in actual use
Outside IGBT itself, the effect of IGBT driver is same most important for entire commutation system.The selection and output of driver
The calculating of power determines the reliability of commutation system.
Current detection circuit designs based entirely on the principle of hall sensing, by an accurate low offset linear hall sensing
Device circuit and the copper foil composition (as shown below) for being located adjacent to the surface IC, when electric current flows through copper foil, generate a magnetic field, Hall
Element goes out a linear voltage signal according to magnetic field induction, by internal amplification, filtering, copped wave and amendment circuit, output
One voltage signal, the signal are exported from the 7th foot of chip, directly reflect the size for flowing through copper foil current.
The principle of metal heat generating core fever is the fuel factor of electric current.The fuel factor of electric current: when electric current passes through resistance, electric current
It does work and consumes electric energy, produce heat, this phenomenon is called the fuel factor of electric current.
Compared with prior art, the present invention has many advantages, such as that thermal conversion rate is high, heat source temperature is high.After tested, due to comparing
The contact area with conduction oil is increased in ceramic PTC, thermal conversion rate is up to 95%, and heat source temperature is up to 600 degrees Celsius.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of embodiment of the invention；
Fig. 2 is explosive view of the invention；
Fig. 3 is control system schematic diagram of the present invention.
Appended drawing reference: 1- high-tension connector, 2- outer casing upper cover, 3- die casting core, 4- sealing strip, 5- metal heat generating core, 6-
Shell lower cover, 7- low voltage connector, 8- linear voltage regulator, 9-CAN module, 10- microprocessor, 11- temperature sensor, 12-
IGBT driving, 13- current detection circuit, 14- control circuit board, 15- thermal insulation board, 16-IGBT.
The present invention is further illustrated with reference to the accompanying drawings and detailed description.
Specific embodiment
The embodiment of the present invention 1: a kind of high-efficiency vehicle-mounted metal PTC heater, including outer casing upper cover 2 and shell lower cover 6, outside
Shell upper cover 2 is mounted on shell lower cover 6, and outer casing upper cover 2 and shell lower cover 6 form the cavity of sealing, be equipped in the cavity every
The cavity is separated into independent upper cavity and lower chamber by hot plate 15, thermal insulation board 15；There is control circuit in the upper cavity
Plate 14, the lower chamber is interior to have die casting core 3 and metal heat generating core 5, and the metal heat generating core 5 is located at the die casting core 3
Interior, the metal heat generating core 5 and the control circuit board 14 are electrically connected；Control circuit board 14 includes low voltage connector 7, linear steady
Depressor 8, CAN module 9, microprocessor 10, temperature sensor 11, IGBT driving 12, IGBT16, current detection circuit 13 and high pressure
Connector 1, linear voltage regulator 8 and CAN module 9 are electrically connected with the low voltage connector 7, linear voltage regulator 8 and CAN module 9
It is electrically connected with the microprocessor 10, temperature sensor 11, current detection circuit 13 and IGBT drive the 12 equal and described micro processs
Device 10 is electrically connected, and IGBT driving 12 and current detection circuit 13 are electrically connected with the IGBT16, IGBT16 and metal hair
Hot core 5 is electrically connected, and metal heat generating core 5 and the current detection circuit 13 are electrically connected with the high-tension connector 1.
Embodiment 2: a kind of high-efficiency vehicle-mounted metal PTC heater, including outer casing upper cover 2 and shell lower cover 6, outer casing upper cover 2
It being mounted on shell lower cover 6, outer casing upper cover 2 and shell lower cover 6 form the cavity sealed, it is equipped with thermal insulation board 15 in the cavity,
The cavity is separated into independent upper cavity and lower chamber by thermal insulation board 15；There is control circuit board 14, institute in the upper cavity
Stating has die casting core 3 and metal heat generating core 5 in lower chamber, the metal heat generating core 5 is located in the die casting core 3, described
Metal heat generating core 5 and the control circuit board 14 are electrically connected；Control circuit board 14 include low voltage connector 7, linear voltage regulator 8,
CAN module 9, microprocessor 10, temperature sensor 11, IGBT driving 12, IGBT16, current detection circuit 13 and high-tension connector
1, linear voltage regulator 8 and CAN module 9 are and the low voltage connector 7 electrical connection, linear voltage regulator 8 and CAN module 9 and described
Microprocessor 10 is electrically connected, temperature sensor 11, current detection circuit 13 and equal and described 10 electricity of microprocessor of IGBT driving 12
Connection, IGBT driving 12 and current detection circuit 13 are electrically connected with the IGBT16,5 electricity of IGBT16 and the metal heat generating core
Connection, metal heat generating core 5 and the current detection circuit 13 are electrically connected with the high-tension connector 1.
The metal heat generating core 5 is spiral, is arranged with heat conducting pipe in spiral helicine metal heat generating core 5, heat conducting pipe runs through
The die casting core 3.The top of the die casting core 3 is fixed on the top of the lower chamber, and the height of the die casting core 3 is small
In the height of the lower chamber, the width of the die casting core 3 is less than the width of the lower chamber, the length of the die casting core 3
Degree is less than the length of the lower chamber.
Embodiment 3: a kind of high-efficiency vehicle-mounted metal PTC heater, including outer casing upper cover 2 and shell lower cover 6, outer casing upper cover 2
It being mounted on shell lower cover 6, outer casing upper cover 2 and shell lower cover 6 form the cavity sealed, it is equipped with thermal insulation board 15 in the cavity,
The cavity is separated into independent upper cavity and lower chamber by thermal insulation board 15；There is control circuit board 14, institute in the upper cavity
Stating has die casting core 3 and metal heat generating core 5 in lower chamber, the metal heat generating core 5 is located in the die casting core 3, described
Metal heat generating core 5 and the control circuit board 14 are electrically connected；Control circuit board 14 include low voltage connector 7, linear voltage regulator 8,
CAN module 9, microprocessor 10, temperature sensor 11, IGBT driving 12, IGBT16, current detection circuit 13 and high-tension connector
1, linear voltage regulator 8 and CAN module 9 are and the low voltage connector 7 electrical connection, linear voltage regulator 8 and CAN module 9 and described
Microprocessor 10 is electrically connected, temperature sensor 11, current detection circuit 13 and equal and described 10 electricity of microprocessor of IGBT driving 12
Connection, IGBT driving 12 and current detection circuit 13 are electrically connected with the IGBT16,5 electricity of IGBT16 and the metal heat generating core
Connection, metal heat generating core 5 and the current detection circuit 13 are electrically connected with the high-tension connector 1.
The metal heat generating core 5 is spiral, is arranged with heat conducting pipe in spiral helicine metal heat generating core 5, heat conducting pipe runs through
The die casting core 3.The top of the die casting core 3 is fixed on the top of the lower chamber, and the height of the die casting core 3 is small
In the height of the lower chamber, the width of the die casting core 3 is less than the width of the lower chamber, the length of the die casting core 3
Degree is less than the length of the lower chamber.
The shell lower cover 6 is equipped with seal groove, is equipped with sealing strip 4 in the seal groove, sealing strip 4 is located on the shell lid 2
Between shell lower cover 6, outer casing upper cover 2 and shell lower cover 6 clamp the sealing strip 4.The outer casing upper cover 2 is equipped with ventilative
Hole.One end of the shell lower cover 6 is equipped with thermally conductive import, and the other end of the shell lower cover 6 is equipped with catheter outlet.
A kind of working principle of embodiment of the invention:
A. power supply is by after low voltage connector 7, reaching linear voltage regulator 8, after linear voltage-stablizer 8, to CAN module, micro-
Processor, IGBT driving, current detection circuit power supply；
B. after external high pressure power supply passes through high-tension connector 1, by IGBT16 after metal heat generating core 5, using electric current
Detection circuit 13 returns to high-tension connector 1；
C. external module instruction is transmitted to the parsing of CAN module 9 by low voltage connector 7, is supplied to the processing of microprocessor 10；
Current detection circuit 13 and temperature sensor 11 provide data to 10 analytical judgment of microprocessor processing；The output control of microprocessor 10
The signal of IGBT driving 12 processed, the signal after IGBT driving 12 goes control IGBT16 on-off again, to control metal heat generating core 5
Work with do not work.When temperature sensor 11 detects that ptc heater temperature higher than preset value, then can be controlled by IGBT16
Metal heat generating core 5 powers off, and prevents 5 temperature of metal heat generating core from further increasing, thus the security performance of lifting means.Microprocessor
10 instruction is transmitted to the parsing of CAN module 9, by being transmitted to external module again after low voltage connector 7.
Conduction oil enters lower chamber from thermally conductive import, and conduction oil is contacted in lower chamber and the die casting core 3, absorbs die casting
Then the heat of core 3 flows out to promote temperature from catheter outlet.
Claims (6)
1. a kind of high-efficiency vehicle-mounted metal PTC heater, which is characterized in that including outer casing upper cover (2) and shell lower cover (6), shell
Upper cover (2) is mounted on shell lower cover (6), the cavity of outer casing upper cover (2) and shell lower cover (6) formation sealing, in the cavity
Equipped with thermal insulation board (15), the cavity is separated into independent upper cavity and lower chamber by thermal insulation board (15)；Tool in the upper cavity
Have control circuit board (14), there is die casting core (3) and metal heat generating core (5), the metal heat generating core (5) in the lower chamber
In the die casting core (3), the metal heat generating core (5) and the control circuit board (14) electrical connection；Control circuit board
(14) include low voltage connector (7), linear voltage regulator (8), CAN module (9), microprocessor (10), temperature sensor (11),
IGBT drives (12), IGBT (16), current detection circuit (13) and high-tension connector (1), linear voltage regulator (8) and CAN module
(9) electric with the low voltage connector (7) electrical connection, linear voltage regulator (8) and CAN module (9) and the microprocessor (10)
Connection, temperature sensor (11), current detection circuit (13) and IGBT driving (12) are electrically connected with the microprocessor (10),
IGBT drives (12) and current detection circuit (13) and the IGBT (16) electrical connection, IGBT (16) and the metal heat generating core
(5) it is electrically connected, metal heat generating core (5) and the current detection circuit (13) are electrically connected with the high-tension connector (1).
2. a kind of high-efficiency vehicle-mounted metal PTC heater according to claim 1, which is characterized in that the metal heat generating core
(5) spiral, heat conducting pipe is arranged in spiral helicine metal heat generating core (5), heat conducting pipe runs through the die casting core (3).
3. a kind of high-efficiency vehicle-mounted metal PTC heater according to claim 1, which is characterized in that the die casting core (3)
Top be fixed on the top of the lower chamber, the height of the die casting core (3) is less than the height of the lower chamber, the pressure
The width for casting core (3) is less than the width of the lower chamber, and the length of the die casting core (3) is less than the length of the lower chamber
Degree.
4. a kind of high-efficiency vehicle-mounted metal PTC heater according to claim 1, which is characterized in that the shell lower cover (6)
Equipped with seal groove, be equipped with sealing strip (4) in the seal groove, sealing strip (4) be located on the shell lid (2) and shell lower cover (6) it
Between, outer casing upper cover (2) and shell lower cover (6) clamp the sealing strip (4).
5. a kind of high-efficiency vehicle-mounted metal PTC heater according to claim 1, which is characterized in that the outer casing upper cover (2)
It is equipped with air hole.
6. a kind of high-efficiency vehicle-mounted metal PTC heater according to claim 1, which is characterized in that the shell lower cover (6)
One end be equipped with thermally conductive import, the other end of the shell lower cover (6) is equipped with catheter outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910318036.7A CN109986929A (en) | 2019-04-19 | 2019-04-19 | A kind of high-efficiency vehicle-mounted metal PTC heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910318036.7A CN109986929A (en) | 2019-04-19 | 2019-04-19 | A kind of high-efficiency vehicle-mounted metal PTC heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109986929A true CN109986929A (en) | 2019-07-09 |
Family
ID=67132832
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|---|---|---|---|
| CN201910318036.7A Pending CN109986929A (en) | 2019-04-19 | 2019-04-19 | A kind of high-efficiency vehicle-mounted metal PTC heater |
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| CN103344034A (en) * | 2013-07-18 | 2013-10-09 | 东风汽车公司 | High-voltage PTC liquid heater for automobile air conditioner system |
| US20180252432A1 (en) * | 2015-09-09 | 2018-09-06 | Calsonic Kansei Corporation | Fluid-heating device and manufacturing method thereof |
| CN107105527A (en) * | 2017-06-22 | 2017-08-29 | 苏州新智机电工业有限公司 | A kind of automotive air-conditioning system ptc heater |
| CN207354640U (en) * | 2017-08-30 | 2018-05-11 | 北汽银翔汽车有限公司 | A kind of automobile-used PTC heating modules |
| CN107894093A (en) * | 2017-12-08 | 2018-04-10 | 深圳市赛尔盈电子有限公司 | A kind of detachable ptc heater |
| CN207622253U (en) * | 2017-12-08 | 2018-07-17 | 深圳市赛尔盈电子有限公司 | A kind of novel PTC liquid heater |
| CN207657557U (en) * | 2017-12-14 | 2018-07-27 | 孝感华工高理电子有限公司 | A kind of high pressure PTC heating control systems of electric automobile air conditioner |
| CN108638795A (en) * | 2018-03-21 | 2018-10-12 | 安徽省宁国市天成电气有限公司 | A kind of new-energy automobile heat management resistance wire liquid heater |
| CN209813673U (en) * | 2019-04-19 | 2019-12-20 | 重庆福睿安电子有限公司 | High-efficient on-vehicle metal PTC heater |
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