CN206953932U - A kind of PTC - Google Patents
A kind of PTC Download PDFInfo
- Publication number
- CN206953932U CN206953932U CN201720475207.3U CN201720475207U CN206953932U CN 206953932 U CN206953932 U CN 206953932U CN 201720475207 U CN201720475207 U CN 201720475207U CN 206953932 U CN206953932 U CN 206953932U
- Authority
- CN
- China
- Prior art keywords
- ptc
- bodies
- control modules
- electrically connected
- temperature sensor
- 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)
Abstract
It the utility model is related to air-conditioning technical field, more particularly to a kind of PTC.A kind of PTC of the present utility model, including：Temperature sensor of the PTC bodies on the PTC bodies and the PTC control modules being electrically connected with the temperature sensor and PTC bodies；The PTC control modules include：CAN interface, power interface, the PWM control modules being electrically connected with the CAN interface and temperature sensor and PWM control modules and the PTC bodies IGBT drive module being electrically connected with and the voltage-stabilizing protection module being electrically connected with the power interface and IGBT drive module；Different pwm signals, which can be generated, by PWM control modules controls PTC bodies to carry out heated at constant temperature or laser heating; the PTC bodies are controlled to stop control when over-pressed or under-voltage by voltage-stabilizing protection module; PTC temperature control precision can be lifted, ensures PTC job stability.
Description
Technical field
It the utility model is related to air-conditioning technical field, more particularly to a kind of PTC.
Background technology
PTC English full name is Positive Temperature Coefficient, and Chinese full name is positive temperature coefficient,
It is generally used to refer to the heater using semistor, due to its stable performance, heats up rapidly, by supply voltage
The advantages that influence of fluctuations is small, the various fields for needing to heat such as warmer, dryer, air curtain, air-conditioning have been widely used in it.
Wherein, in the prior art, applied to being multiple-rank control in the PTC of air conditioning for automobiles, the control for temperature is not
Accurately, it is frequently not overheat, exactly feels not good enough.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of PTC, can lift PTC temperature control precision, protects
Demonstrate,prove PTC job stability.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of PTC, including：PTC bodies are set
Mould is controlled in the temperature sensor on the PTC bodies and the PTC being electrically connected with the temperature sensor and PTC bodies
Block；
The PTC control modules include：CAN interface, power interface, electrically connect with the CAN interface and temperature sensor
The PWM control modules that connect, the IGBT drive module being electrically connected with PWM control modules and PTC bodies and with the power supply
The voltage-stabilizing protection module that interface and IGBT drive module are electrically connected with；
The PWM control modules are used to obtain extraneous CAN signal from CAN interface, and are obtained and set according to extraneous CAN signal
Constant temperature degree, while from the Current Temperatures of temperature sensor acquisition PTC bodies, phase is provided according to design temperature and Current Temperatures control
Pwm signal is answered to IGBT drive module；
The pwm signal that the IGBT drive module is used to be provided according to PWM control modules drives described this body running of PTC；
The voltage-stabilizing protection module is used to obtain current supply voltage from power interface, and low in current supply voltage
When default operating voltage, the IGBT drive module is controlled to stop this body running of driving PTC.
The PTC is air conditioning for automobiles PTC.
The PTC also includes：The monitoring module being electrically connected with the temperature sensor and IGBT drive module, institute
Current Temperatures and current working current that monitoring module is used to obtain the PTC bodies are stated, and by the Current Temperatures and currently
Operating current passes to automobile body.
Advantage possessed by the utility model is with effect：
A kind of PTC of the present utility model, including：Temperature sensor of the PTC bodies on the PTC bodies, with it is described
The PTC control modules that temperature sensor and PTC bodies are electrically connected with；The PTC control modules include：CAN interface, power supply connect
Mouthful, the PWM control modules that are electrically connected with the CAN interface and temperature sensor and with PWM control modules and PTC bodies
The IGBT drive module of electric connection, the voltage-stabilizing protection module being electrically connected with the power interface and IGBT drive module；
Different pwm signals, which can be generated, by PWM control modules controls PTC bodies to carry out heated at constant temperature or laser heating, passes through voltage stabilizing
Protection module controls the PTC bodies to stop control when over-pressed or under-voltage, can lift PTC temperature control precision, ensure
PTC job stability.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is PTC of the present utility model side view；
Fig. 2 is PTC of the present utility model front view；
Fig. 3 is PTC of the present utility model module diagram.
In figure：PTC bodies 1, temperature sensor 2, PTC control modules 3, CAN interface 4, power interface 5, PWM control modules
6th, IGBT drive module 7, voltage-stabilizing protection module 8.
Embodiment
As shown in Figure 1 to Figure 3, the utility model provides a kind of PTC, including：PTC bodies 1, on the PTC bodies 1
Temperature sensor 2 and the PTC control modules 3 that are electrically connected with the temperature sensor 2 and PTC bodies 1；
The PTC control modules 3 include：Controller local area network (Controller Area Network, CAN) interface
4th, power interface 5, pulse width modulation (the Pulse Width being electrically connected with the CAN interface 4 and temperature sensor 2
Modulation, PWM) control module 6, the insulated gate bipolar crystal that is electrically connected with PWM control modules 6 and PTC bodies 1
Manage (Insulated Gate Bipolar Transistor, IGBT) drive module 7 and with the power interface 5 and
The voltage-stabilizing protection module 8 that IGBT drive module 7 is electrically connected with；
Specifically, the PWM control modules 6 are used to obtain extraneous CAN signal from CAN interface 4, and are believed according to extraneous CAN
Number design temperature is obtained, while the Current Temperatures of PTC bodies 1 are obtained from temperature sensor 2, according to design temperature and Current Temperatures
Control provides corresponding pwm signal to IGBT drive module 7；The IGBT drive module 7 is used to be provided according to PWM control modules 6
Pwm signal drive the PTC bodies 1 to work；The voltage-stabilizing protection module 8 is used to obtain current power supply from power interface 5
Voltage, and when current supply voltage is below or above default operating voltage, control the IGBT drive module 7 to stop driving
Dynamic PTC bodies 1 work.
Specifically, the PTC is air conditioning for automobiles PTC.
Specifically, the PTC also includes：The prison being electrically connected with the temperature sensor 2 and IGBT drive module 7
Module (not shown) is controlled, the monitoring module is used for the Current Temperatures and current working current for obtaining the PTC bodies 1, and will
The Current Temperatures and current working current pass to automobile body.
Specifically, the PWM control modules 6 control the PTC bodies 1 to enter by producing the pwm signal of different duty
Row heated at constant temperature or laser heating, it can avoid similar traditional PTC air outlet temperature is too high and temperature is fluctuated from bringing
Discomfort.Control the PTC bodies to stop control when over-pressed or under-voltage by voltage-stabilizing protection module, PTC work can be ensured
Make stability.
The utility model is not limited to above-described embodiment, and embodiment is exemplary, it is intended to for explaining that this practicality is new
Type, and it is not intended that to limitation of the present utility model.
Claims (3)
- A kind of 1. PTC, it is characterised in that including：PTC bodies (1), the temperature sensor (2) on the PTC bodies (1), And the PTC control modules (3) being electrically connected with the temperature sensor (2) and PTC bodies (1)；The PTC control modules (3) include：CAN interface (4), power interface (5) and the CAN interface (4) and TEMP The IGBT that the PWM control modules (6) and PWM control modules (6) and PTC bodies (1) that device (2) is electrically connected with are electrically connected with drives Module (7) and the voltage-stabilizing protection module (8) being electrically connected with the power interface (5) and IGBT drive module (7)；The PWM control modules (6) are used to obtain extraneous CAN signal from CAN interface (4), and are obtained and set according to extraneous CAN signal Constant temperature degree, while from the Current Temperatures of temperature sensor (2) acquisition PTC bodies (1), controlled according to design temperature and Current Temperatures Corresponding pwm signal is provided and gives IGBT drive module (7)；The pwm signal that the IGBT drive module (7) is used to be provided according to PWM control modules (6) drives the PTC bodies (1) Work；The voltage-stabilizing protection module (8) is used to obtain current supply voltage from power interface (5), and in current supply voltage During below or above default operating voltage, the IGBT drive module (7) is controlled to stop driving PTC bodies (1) work.
- 2. PTC as claimed in claim 1, it is characterised in that the PTC is air conditioning for automobiles PTC.
- 3. PTC as claimed in claim 2, it is characterised in that the PTC also includes：With the temperature sensor (2) and The monitoring module that IGBT drive module (7) is electrically connected with, the monitoring module are used to obtain the current of the PTC bodies (1) Temperature and current working current, and the Current Temperatures and current working current are passed into automobile body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720475207.3U CN206953932U (en) | 2017-05-02 | 2017-05-02 | A kind of PTC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720475207.3U CN206953932U (en) | 2017-05-02 | 2017-05-02 | A kind of PTC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206953932U true CN206953932U (en) | 2018-02-02 |
Family
ID=61374183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720475207.3U Expired - Fee Related CN206953932U (en) | 2017-05-02 | 2017-05-02 | A kind of PTC |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206953932U (en) |
-
2017
- 2017-05-02 CN CN201720475207.3U patent/CN206953932U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180202 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |