CN207354640U - A kind of automobile-used PTC heating modules - Google Patents
A kind of automobile-used PTC heating modules Download PDFInfo
- Publication number
- CN207354640U CN207354640U CN201721103446.2U CN201721103446U CN207354640U CN 207354640 U CN207354640 U CN 207354640U CN 201721103446 U CN201721103446 U CN 201721103446U CN 207354640 U CN207354640 U CN 207354640U
- Authority
- CN
- China
- Prior art keywords
- ptc heating
- automobile
- ptc
- main control
- heat sink
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Air-Conditioning For Vehicles (AREA)
- Resistance Heating (AREA)
Abstract
The utility model discloses a kind of automobile-used PTC heating modules, it is characterised in that：Including IGBT switching tubes, PTC heating elements, heating power supply, heat sink, PTC controllers, temperature sensor；The PTC controllers further include, power module, bus transceiver, main control chip MCU, IGBT driving chip；The power module, bus transceiver, IGBT driving chips are all electrically connected with the main control chip MCU；The IGBT switching tubes include two, are respectively arranged on the PTC heating elements cathode and anode heater circuit；The temperature sensor is electrically connected with the main control chip MCU；Heat sink is stated as the internal cavity for being full of Medium Oil, the PTC heating elements and the temperature sensor are placed in inside the heat sink.The beneficial effects of the utility model include：Heatsink temperature is uniform；Facilitate arrangement and cost is relatively low；Totally enclosed type design is not in leak risk.
Description
Technical field
It the utility model is related to a kind of automobile-used PTC heating modules.
Background technology
Existing PTC heating product mainly includes air heated type and water heated type.Wherein air heated type PTC, uses
Be that heating element directly heats aluminum thermal fin, the defects of such a mode of heating, is：Heatsink temperature skewness；And
To meet different temperatures, multiple circuits are devised, it is of high cost；High-voltage power pipe frequently switches on, high failure rate.Water heated type PTC
Water is then directly heated using heating element heat sink is transferred heat to by water circulation again, such a mode of heating needs to design exterior
Water-flow circuit is, it is necessary to additionally increase component such as：Water pump, water pipe, expansion tank etc., its cost is higher, simultaneously because chemistry is rotten
Also there are leak risk for erosion.
The content of the invention
For above-mentioned shortcoming of the prior art, the utility model provides a kind of PTC heating modules, its Temperature Distribution
Uniformly, only a circuit cost is relatively low, solves the problems, such as leak using dedicated medium oil.
To achieve the above object, the utility model employs following technical scheme：
A kind of automobile-used PTC heating modules, including PTC heating elements, heat sink, IGBT switching tubes, it is characterised in that：Also wrap
Include PTC controllers, temperature sensor；
The IGBT switching tubes include two, are respectively arranged on the PTC heating elements cathode and anode heater circuit, use
In the break-make of control heater circuit；
The PTC controllers further include, for driving the IGBT driving chips of IGBT switching tubes, for receiving the temperature
Sensor signal and the main control chip MCU for controlling the IGBT driving chips, for the power supply mould powered to the PTC controllers
Block, for the bus transceiver of communication, the power module, bus transceiver, IGBT driving chips are electrically connected to the master
Control chip MCU；
The temperature sensor is electrically connected with the main control chip MCU, is passed for temperature signal to be converted to resistance signal
Transport to the main control chip MCU；
The heat sink has the cavity full of Medium Oil, and the PTC heating elements and the temperature sensor are placed in
In the cavity.
Further, the power module includes three external pins, is respectively 12V cathodes often electricity, ON grades, 12V anode,
Corresponding access vehicle power supply respectively.
Further, the bus transceiver includes two external pins, is CAN-H, CAN-L respectively, corresponds to access vapour
Car bus transmits automobile bus signal.
Further, the heat sink is aluminum thermal fin.
The beneficial effects of the utility model include：Heatsink temperature is uniform；An only heating circuit, facilitates arrangement
And cost is relatively low；Using dedicated medium oil, totally enclosed type design is not in leak risk.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
Embodiment
The utility model is further described with reference to specific embodiment and attached drawing.
A kind of automobile-used PTC heating modules as shown in Figure 1, including PTC controllers 1, IGBT switching tubes 2, temperature sensor
3rd, PTC heating elements 4, heat sink 5.
PTC controllers 1 further include：Power module 11, bus transceiver 12, main control chip MCU13, IGBT driving chip
14th, IGBT module 15.Power module 11 is equipped with three external pins and is used to be connected with vehicle power supply, and 12V cathodes, which are often electrically connected, to be picked up
Carry positive pole, ON grades of accesses and ON grades of control lines of automobile, 12V anode access vehicle power supply anode.When power module 11 is whole
When accessing vehicle power supply, power module 11 in a dormant state, the ability of power module 11 only when ON grade interfaces have signal input
It is waken up, and then whole automobile-used PTC heating modules are just in running order.Bus transceiver 12 includes two external pins,
CAN-H, CAN-L are corresponding respectively to access automobile bus, is used for transmission automobile bus signal, receives the control of automobile bus, at the same time
The operational data of PTC heating modules is transferred to automobile bus.
Main control chip MCU13 is the core processor of whole automobile-used PTC heating modules, main control chip MCU13 connection power supplys
Module 11, bus transceiver 12, IGBT driving chips 14, temperature sensor 3, wherein IGBT driving chips 14 connection IGBT switches
Pipe 2.Main control chip MCU13 receives the data that temperature sensor 3 transmits, and sends control according to the temperature data detected in real time and refer to
Order, its control mode are：Main control chip MCU13 sends heating instructions to IGBT driving chips 14, and then drives IGBT switches
The opening and closing of pipe 2.IGBT switching tubes 2 include two in the present embodiment, are respectively arranged on the heater circuit of PTC heating elements 4, use
Achieve the purpose that to control PTC heating elements 4 to heat or stop in the break-make of control heater circuit.When temperature is low in heat sink 5
When design temperature, main control chip MCU13, then send heating instructions, is closed according to above-mentioned principle IGBT switching tubes 2, PTC heating
The heater circuit of element 4 is connected, and is begun to warm up；When temperature is higher than setting maximum temperature in heat sink 5, main control chip
MCU13 sends stopping heating instructions, and similarly then IGBT switching tubes 2 disconnect, and then the heater circuit of PTC heating elements 4 disconnects,
PTC heating elements 4 stop heating.Wherein the heater circuit of PTC heating elements 4 is powered using independent current source.
Temperature sensor 3 is thermistor, for temperature signal to be converted to current signal, and is directly transmitted signals to
Main control chip MCU13, is converted to temperature value by current signal by main control chip MCU13 and is carried out with the preset temperature of default
Compare, so as to judge whether heat sink 5 needs to heat.Bus of the temperature data also by being connected with main control chip MCU13 at the same time
Transceiver 12 is sent to automobile bus, for vehicle data monitoring and full-vehicle control.
Heat sink 5 is aluminum thermal fin, and heat sink 5 is designed to rectangular enclosure in the present embodiment, has been filled with medium
Oil, the heating ceramic core and temperature sensor of PTC heating elements 4 are also placed in wherein, and PTC heating elements 4 directly heat when heating
Medium Oil, the Medium Oil have the advantages that thermal coefficient of expansion is small, and the structure of heat sink will not be had an impact.Here medium is passed through
Temperature is uniformly transferred to aluminum thermal fin 5 by oil, so as to be reached for the purpose of heat source needed for automobile offer.
The technical solution provided above the utility model embodiment is described in detail, used herein specifically
A example is set forth the principle and embodiment of the utility model embodiment, and the explanation of above example is only applicable to help
Assistant solves the principle of the utility model embodiment；Meanwhile for those of ordinary skill in the art, implement according to the utility model
Example, the there will be changes in embodiment and application range, in conclusion this specification content should not be construed as
Limitation to the utility model.
Claims (4)
1. a kind of automobile-used PTC heating modules, including PTC heating elements, heat sink, IGBT switching tubes, it is characterised in that：Further include
PTC controllers, temperature sensor；
The IGBT switching tubes include two, are respectively arranged on the PTC heating elements cathode and anode heater circuit, for controlling
The break-make of heater circuit processed；
The PTC controllers further include, for driving the IGBT driving chips of IGBT switching tubes, for receiving the temperature sensing
Device signal and the main control chip MCU for controlling the IGBT driving chips, for the power module powered to the PTC controllers,
For the bus transceiver of communication, the power module, bus transceiver, IGBT driving chips are electrically connected to the master control core
Piece MCU；
The temperature sensor is electrically connected with the main control chip MCU, is transmitted to for temperature signal to be converted to resistance signal
The main control chip MCU；
The heat sink has the cavity full of Medium Oil, and the PTC heating elements and the temperature sensor are placed in described
In cavity.
A kind of 2. automobile-used PTC heating modules according to claim 1, it is characterised in that：The power module includes three
External pin, is respectively 12V cathodes often electricity, ON grades, 12V anode, respectively corresponding access vehicle power supply.
A kind of 3. automobile-used PTC heating modules according to claim 1, it is characterised in that：The bus transceiver includes two
A external pin, is CAN-H, CAN-L respectively, and corresponding access automobile bus transmits automobile bus signal.
A kind of 4. automobile-used PTC heating modules according to claim 1, it is characterised in that：The heat sink radiates for aluminum
Piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721103446.2U CN207354640U (en) | 2017-08-30 | 2017-08-30 | A kind of automobile-used PTC heating modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721103446.2U CN207354640U (en) | 2017-08-30 | 2017-08-30 | A kind of automobile-used PTC heating modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207354640U true CN207354640U (en) | 2018-05-11 |
Family
ID=62413063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721103446.2U Expired - Fee Related CN207354640U (en) | 2017-08-30 | 2017-08-30 | A kind of automobile-used PTC heating modules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207354640U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109986929A (en) * | 2019-04-19 | 2019-07-09 | 重庆福睿安电子有限公司 | A kind of high-efficiency vehicle-mounted metal PTC heater |
-
2017
- 2017-08-30 CN CN201721103446.2U patent/CN207354640U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109986929A (en) * | 2019-04-19 | 2019-07-09 | 重庆福睿安电子有限公司 | A kind of high-efficiency vehicle-mounted metal PTC heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190515 Granted publication date: 20180511 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210129 Granted publication date: 20180511 |
|
| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |