CN201196746Y - Heating temperature control device of device aging screening vehicle - Google Patents
Heating temperature control device of device aging screening vehicle Download PDFInfo
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- CN201196746Y CN201196746Y CNU2008200567996U CN200820056799U CN201196746Y CN 201196746 Y CN201196746 Y CN 201196746Y CN U2008200567996 U CNU2008200567996 U CN U2008200567996U CN 200820056799 U CN200820056799 U CN 200820056799U CN 201196746 Y CN201196746 Y CN 201196746Y
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- pwm modulation
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- temperature
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Abstract
The utility model discloses a heating temperature control device for device aging screening vehicles. The control device comprises a DSP, a rectifier module, a PWM modulation model and a temperature sensor which are respectively connected with the DSP, as well as an electric heating wire which is connected with the DSP and the PWM modulation model, and the PWM modulation model is also connected with the rectifier module, wherein the rectifier module receives trigger signals from the DSP, rectifies AC voltage into DC voltage, feeds back the DC voltage to the DSP, and outputs the DC voltage to the PWM modulation model; the PWM modulation model receives PWM control signals from the DSP and then outputs the signals to the electric heating wire; the DSP respectively detects the current and voltage feedback signals of the electric heating wire, as well as the temperature of the temperature sensor; and the temperature sensor is used for measuring the temperature of control environment. The control device has the advantage that the control device can realize the high-efficiency high-precision heating temperature control used for the device aging screening vehicles.
Description
Technical field
The utility model relates to a kind of heating and temperature control device, relates in particular to a kind of device ageing screening lathe heating and temperature control device.
Technical background
Device ageing screening lathe is an Electronic Control production production run in enormous quantities, is used for various devices are carried out the equipment of burn-in screen.The existing heat control that adds that is used for device ageing screening lathe is a controlled target with the temperature just, and its shortcoming is: efficient is low, and loss is big, and device ageing screening lathe needs efficiently, stable heating and temperature control system.How can be efficiently, the heating-up temperature of stable control device ageing screening lathe is the utility model problem demanding prompt solution.
Summary of the invention
The purpose of this utility model is to provide a kind of device ageing screening lathe heating and temperature control device, and it can realize high-level efficiency, the high-precision heating and temperature control that is used for device ageing screening lathe.
The technical scheme that realizes above-mentioned purpose is: a kind of device ageing screening lathe heating and temperature control device, wherein, it comprises a DSP, the rectification module that links to each other with this DSP respectively, PWM modulation module and temperature sensor, also comprise a heating wire that links to each other with the PWM modulation module with DSP, described PWM modulation module also links to each other with described rectification module, wherein:
Described rectification module receives the trigger pip from DSP, feeds back to DSP after ac voltage rectifier is become DC voltage, and exports this DC voltage to the PWM modulation module;
Described PWM modulation module receives the pwm control signal from DSP, outputs signal to heating wire then;
Described DSP detects the temperature of electric current, voltage feedback signal and the temperature sensor of heating wire respectively;
Described temperature sensor is used to measure the temperature that controls environment.
Above-mentioned device ageing screening lathe heating and temperature control device, wherein, described temperature sensor is a PT100 resistance.
Above-mentioned device ageing screening lathe heating and temperature control device, wherein, described rectification module is made up of the silicon controlled component that connects into three-phase full-controlled bridge.
Above-mentioned device ageing screening lathe heating and temperature control device, wherein, described PWM modulation module is made of to accelerate switch rhythm metal-oxide-semiconductor.
Above-mentioned device ageing screening lathe heating and temperature control device, wherein, the attenuation ratio of described rectification module is 1:100.
The beneficial effects of the utility model are: the utility model temperature and heating power as requested, DSP provides the DC voltage requirement, send corresponding trigger pip and give rectification module, and the direct current signal after the rectification feeds back to controller DSP, forms stable heating power supply and control; Pwm control signal is provided by dsp controller, the electric current of heating wire, and voltage is feedback signal, has formed a negative feedback control loop of controlling heating-up temperature and heating power.Adopt the utility model can realize high-level efficiency, the heating and temperature control of high-precision device ageing screening lathe.
Description of drawings
Fig. 1 is a principle schematic of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
See also Fig. 1, there is shown device ageing screening lathe heating and temperature control device of the present utility model, it comprises a DSP1, the rectification module 2 that links to each other with this DSP1 respectively, PWM modulation module 3 and temperature sensor 4, also comprise a heating wire 4 that links to each other with PWM modulation module 3 with DSP1, PWM modulation module 3 also links to each other with rectification module 2, wherein:
The trigger pip that rectification module 2 receives from DSP1, feed back to DSP1 after ac voltage rectifier become DC voltage, and export this DC voltage to PWM modulation module 3, this rectification module 2 is made up of the silicon controlled component that connects into three-phase full-controlled bridge, and its attenuation ratio is 1:100;
The pwm control signal that PWM modulation module 3 receives from DSP outputs signal to heating wire 4 then, and this PWM modulation module 3 is made of to accelerate switch rhythm metal-oxide-semiconductor;
DSP1 detects the temperature of electric current, voltage feedback signal and the temperature sensor 5 of heating wire 4 respectively;
In the utility model, DSP1 temperature and heating power as requested provides the DC voltage requirement, sends corresponding trigger pip, and the direct current signal after the rectification feeds back to controller DSP1, forms stable heating power supply control.
The PWM modulation module is the heating and temperature control unit, uses metal-oxide-semiconductor to accelerate switch rhythm.Pwm control signal is provided by DSP, and the electric current of heating wire 4, voltage are feedback signal, forms a negative feedback control loop, and its controlled target is heating-up temperature and heating power.The PWM trigger module (not shown) of present embodiment adopts the 1GBT module, and electric current is 100A, and withstand voltage is 800V, and the pulsewidth of trigger pip is adjusted frequency between 5KHz ~ 10KHz.Trigger pip is by the output of DSP2801 control pin.
After the voltage V sampling on the heating wire 4, can obtain the voltage V of heating wire, I=V/R, R are heating wire resistance, and resistance is about 2 Ω, and W=VI, heating wire are 20KW, and the voltage signal V of heating wire 4 decays through 1:100 and gathered by DSP1.
In the present embodiment, rectification module 2 is the full-bridge rectification module, model is SIMTH6020, three phase full bridge controllable silicon, 60A, peak power output can reach 25KW, trigger pip is a dipulse, and by the output of DSP control pin, the DC voltage of module output is gathered by DSP1 through the decay of 1:100, scope is 0 ~ 440V, and the model of DSP is DSP2801.
Above embodiment is only for the usefulness of explanation the utility model, but not to the restriction of the utility model protection domain.Relevant those skilled in the art; under the situation that does not break away from spirit and scope of the present utility model; can also make various conversion or modification, and the technical scheme that all are equal to should belong to also within the category of the utility model protection, is limited by each claim.
Claims (5)
1. device ageing screening lathe heating and temperature control device, it is characterized in that, it comprises a DSP, the rectification module that links to each other with this DSP respectively, PWM modulation module and temperature sensor, also comprise a heating wire that links to each other with the PWM modulation module with DSP, described PWM modulation module also links to each other with described rectification module, wherein:
Described rectification module receives the trigger pip from DSP, feeds back to DSP after ac voltage rectifier is become DC voltage, and exports this DC voltage to the PWM modulation module;
Described PWM modulation module receives the pwm control signal from DSP, outputs signal to heating wire then;
Described DSP detects the temperature of electric current, voltage feedback signal and the temperature sensor of heating wire respectively;
Described temperature sensor is used to measure the temperature that controls environment.
2. device ageing screening lathe heating and temperature control device according to claim 1 is characterized in that described temperature sensor is a PT100 resistance.
3. device ageing screening lathe heating and temperature control device according to claim 1 is characterized in that described rectification module is made up of the silicon controlled component that connects into three-phase full-controlled bridge.
4. device ageing screening lathe heating and temperature control device according to claim 1 is characterized in that, described PWM modulation module is made of to accelerate switch rhythm metal-oxide-semiconductor.
5. device ageing screening lathe heating and temperature control device according to claim 1 is characterized in that the attenuation ratio of described rectification module is 1:100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200567996U CN201196746Y (en) | 2008-03-31 | 2008-03-31 | Heating temperature control device of device aging screening vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200567996U CN201196746Y (en) | 2008-03-31 | 2008-03-31 | Heating temperature control device of device aging screening vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201196746Y true CN201196746Y (en) | 2009-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200567996U Expired - Fee Related CN201196746Y (en) | 2008-03-31 | 2008-03-31 | Heating temperature control device of device aging screening vehicle |
Country Status (1)
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| CN (1) | CN201196746Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103412218A (en) * | 2013-08-09 | 2013-11-27 | 常州大学 | Detection circuit for working condition of ceramic heater strip and corresponding method |
| CN104898730A (en) * | 2015-03-31 | 2015-09-09 | 东北大学 | Electric heating energy storage device control system and method based on chopper circuit control |
| CN108519554A (en) * | 2018-03-28 | 2018-09-11 | 长沙美同自动化设备有限公司 | Coil voltage ageing heating plate |
-
2008
- 2008-03-31 CN CNU2008200567996U patent/CN201196746Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103412218A (en) * | 2013-08-09 | 2013-11-27 | 常州大学 | Detection circuit for working condition of ceramic heater strip and corresponding method |
| CN104898730A (en) * | 2015-03-31 | 2015-09-09 | 东北大学 | Electric heating energy storage device control system and method based on chopper circuit control |
| CN108519554A (en) * | 2018-03-28 | 2018-09-11 | 长沙美同自动化设备有限公司 | Coil voltage ageing heating plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shanghai Golden Harvest Shipping Service Co., Ltd. Assignor: Shanghai Electrical Automation Design Inst Co., Ltd. Contract record no.: 2010310000131 Denomination of utility model: Heating temperature control device of device aging screening vehicle Granted publication date: 20090218 License type: Exclusive License Record date: 20100730 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090218 Termination date: 20130331 |