CN207424711U - A kind of temperature control system for 3D bend glass hot-bending machines - Google Patents
A kind of temperature control system for 3D bend glass hot-bending machines Download PDFInfo
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- CN207424711U CN207424711U CN201721365483.0U CN201721365483U CN207424711U CN 207424711 U CN207424711 U CN 207424711U CN 201721365483 U CN201721365483 U CN 201721365483U CN 207424711 U CN207424711 U CN 207424711U
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- resistance
- arm processor
- operational amplifier
- control system
- capacitance
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Abstract
The utility model discloses a kind of temperature control system for 3D bend glass hot-bending machines, main contents are：The zero passage detection module and operation button are all connected with arm processor, memory is connected with arm processor, LED display module and sound and light alarm module are all connected with arm processor, electric heating wire is connected with SSR solid-state relays, SSR solid-state relays are connected with pulse width modulated driving circuit, pulse width modulated driving circuit is connected with arm processor, thermocouple is connected with temperature transmitter, temperature transmitter is connected with operational amplifier, operational amplifier is connected with active low-pass filter, active low-pass filter is connected with A/D modular converters, A/D modular converters are connected with arm processor.
Description
Technical field
It is specifically, more particularly to a kind of to be used for 3D bend glasses the utility model is related to hot-bending machine control technology field
The temperature control system of hot-bending machine.
Background technology
Traditional high temperature electric furnace with common bidirectional thyristor (SCR) control changes brilliant lock using phase-shift trigger circuit
The size of the pipe angle of flow adjusts output power, achievees the purpose that automatic control electrical heating furnace temperature.Practice have shown that this control
Mode generates sizable intermediate frequency interference, and passes through electrical grid transmission, is caused " public hazards " to electric system.
Utility model content
The technical problem to be solved by the utility model is to the deficiencies in for the above-mentioned prior art, disclose a kind of use
In the temperature control system of 3D bend glass hot-bending machines, temperature transmitter bridge and solid-state relay temperature-adjusting circuit are used, it is real
Now hot bending furnace temperature is automatically controlled, has that hardware cost is low, temperature-controlled precision is higher, good reliability, strong antijamming capability etc.
Feature.
Technical solution is used by the utility model solves its technical problem：It is a kind of for 3D bend glass hot-bending machines
Temperature control system, including zero passage detection module, memory, arm processor, LED display module, operation button, sound-light alarm
Module, SSR solid-state relays, pulse width modulated driving circuit, A/D modular converters, operational amplifier, active low-pass filter, heat
Galvanic couple, temperature transmitter and electric heating wire；The zero passage detection module and operation button are all connected with arm processor, described to deposit
Reservoir is connected with arm processor, and the LED display module and sound and light alarm module are all connected with arm processor, the electrical heating
Silk is connected with SSR solid-state relays, and the SSR solid-state relays are connected with pulse width modulated driving circuit, the pulse width modulated drive
Dynamic circuit is connected with arm processor, and the thermocouple is connected with temperature transmitter, and the temperature transmitter connects with operational amplifier
It connects, the operational amplifier is connected with active low-pass filter, and the active low-pass filter is connected with A/D modular converters, institute
A/D modular converters are stated to be connected with arm processor.
As a kind of preferred embodiment of the utility model, the sound and light alarm module is by light emitting diode D3, resistance
R8, resistance R9, resistance R10, triode Q1 and loud speaker LS1 compositions, the light emitting diode D3 right ends connect with resistance R8 left ends
It connects, the emitter of the resistance R8 right ends and triode Q1 are all connected with power pins VCC, base stage and the electricity of the triode Q1
The right end connection of R9 is hindered, the collector of the triode Q1 is connected with the upper end of loud speaker LS1, the lower end of the loud speaker LS1
It is connected with resistance R10 upper ends, the resistance R10 lower ends ground connection.
As a kind of preferred embodiment of the utility model, the operational amplifier is by resistance R1, resistance R2, resistance
R3, resistance R4, resistance R5, resistance R6, resistance R7, diode D1, diode D2, capacitance C1, capacitance C2, capacitance C3, capacitance C4,
Capacitance C5, operational amplifier ICL7650 and operational amplifier 741 form.
ADC0809 chips are used as A/D modular converters described in a kind of preferred embodiment of the utility model.
The control system extends out key-press input and LED displays temperatures using arm processor as core.Reality in hot-bending machine
Temperature is by thermocouple measurement and is converted into the voltage signal of millivolt level, and zero shift and cold end are realized by temperature transmitter bridge
Compensation, is amplified to 0~5V through operational amplifier ICL7650, after filtering using active low-pass filter, is converted into counting by A/D
Word amount.On the one hand this digital quantity is shown furnace temperature by LED after digital filtering, scales transforming；On the other hand, by this
Temperature value, according to the size of its deviation, using PID control, passes through the wide power of pwm pulse tune compared with controlled temperature value
Amplifier controls SSR solid-state relays to control the ON time of electric furnace stove silk, it is possible to control the heating work(of electric furnace heating wire
Rate size so as to control the temperature of electric furnace and heating rate, makes it gradually tend to set-point and reaches balance.
The utility model has the following advantages compared with prior art：Using temperature transmitter bridge and solid-state relay control
Circuit temperature realizes and hot bending furnace temperature automatically controlled, and has that hardware cost is low, temperature-controlled precision is higher, good reliability, anti-interference
The features such as ability is strong.
Description of the drawings
Fig. 1 is a kind of structure diagram of specific embodiment of the utility model；
Fig. 2 is a kind of circuit diagram of specific embodiment operational amplifier of the utility model；
Fig. 3 is a kind of circuit diagram of specific embodiment sound and light alarm module of the utility model.Reference sign：
1：Zero passage detection module, 2：Memory, 3：Arm processor, 4：LED display module, 5：Operation button, 6：Acousto-optic report
Alert module, 7：SSR solid-state relays, 8：Pulse width modulated driving circuit, 9：A/D modular converters, 10：Operational amplifier, 11：It is active
Low-pass filter, 12：Thermocouple, 13：Temperature transmitter, 14：Electric heating wire；
R1、R2、R3、R4、R5、R6、R7、R8、R9、R10：Resistance, C1, C2, C3, C4, C5：Capacitance, D1, D2：Diode,
D3：Light emitting diode, Q1：Triode, A1：ICL7650 operational amplifiers, A2：741 operational amplifiers, LS1：Loud speaker.
Specific embodiment
Specific embodiment of the present invention is described with reference to the accompanying drawings and embodiments：
It should be noted that structure, ratio, size for illustrating in this specification institute attached drawing etc., only coordinating explanation
So that those skilled in the art understands and reads, it is enforceable to be not limited to the utility model for the revealed content of book
Qualifications, the modification of any structure, the change of proportionate relationship or the adjustment of size, can be generated not influencing the utility model
The effect of and the purpose that can reach under, should all still fall and obtain the scope that can cover in the revealed technology contents of the utility model
It is interior.
Meanwhile cited such as " on ", " under " in this specification, "left", "right", the term of " centre " and " one ", also
Only understanding rather than to limit the enforceable scope of the utility model for ease of narration, relativeness is altered or modified,
In the case where changing technology contents without essence, when being also considered as the enforceable scope of the utility model.
As shown in FIG. 1 to 3, it illustrates specific embodiment of the present utility model；As shown in the figure, the utility model is public
A kind of temperature control system for 3D bend glass hot-bending machines opened, including zero passage detection module 1, memory 2, ARM processing
Device 3, LED display module 4, operation button 5, sound and light alarm module 6, SSR solid-state relays 7, pulse width modulated driving circuit 8, A/D
Modular converter 9, operational amplifier 10, active low-pass filter 11, thermocouple 12, temperature transmitter 13 and electric heating wire 14；Institute
It states zero passage detection module 1 and operation button 5 is all connected with arm processor 3, the memory 2 is connected with arm processor 3, described
LED display module 4 and sound and light alarm module 6 are all connected with arm processor 3, the electric heating wire 14 and SSR solid-state relays 7
Connection, the SSR solid-state relays 7 are connected with pulse width modulated driving circuit 8, the pulse width modulated driving circuit 8 and ARM processing
Device 3 is connected, and the thermocouple 12 is connected with temperature transmitter 13, and the temperature transmitter 13 is connected with operational amplifier 10, institute
Operational amplifier 10 to be stated to be connected with active low-pass filter 11, the active low-pass filter 11 is connected with A/D modular converters 9,
The A/D modular converters 9 are connected with arm processor 3.
Preferably, the sound and light alarm module 6 is by light emitting diode D3, resistance R8, resistance R9, resistance R10, triode Q1
It is formed with loud speaker LS1, the light emitting diode D3 right ends are connected with resistance R8 left ends, the resistance R8 right ends and triode Q1
Emitter be all connected with power pins VCC, the base stage of the triode Q1 is connected with the right end of resistance R9, the triode Q1
Collector be connected with the upper end of loud speaker LS1, the lower end of the loud speaker LS1 is connected with resistance R10 upper ends, the resistance
R10 lower ends are grounded.The threshold value of design temperature sensor first.When temperature sensor detect ambient temperature rise to threshold value with
On, arm processor P3.7 feet just export low level, triode Q1 conductings, and loud speaker after resistance R11 by being grounded, i.e. loud speaker
Alarm is sent, while LED shines.Conversely, when not triggering alarm signal, the output of arm processor P3.1 and P3.7 pin
It is high level, triode Q1 cut-offs, loud speaker and light emitting diode do not work.This scheme performance is stable, circuit is simple.
Preferably, the operational amplifier 10 is by resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, electricity
Hinder R7, diode D1, diode D2, capacitance C1, capacitance C2, capacitance C3, capacitance C4, capacitance C5, operational amplifier ICL7650 and
Operational amplifier 741 forms.10 prime of operational amplifier selects high-precision chopping operational amplifier ICL7650, and rear class amplifier is then
With more cheap 741.The clamper diode of 7650 input terminals shields, and avoids due to incoming line failure or transient peak
It disturbs and damages device.
Preferably, the A/D modular converters 9 use ADC0809 chips.By having the function of zero shift and cold junction compensation
Temperature pick-up bridge, reduce the scope of thermometric, improve the control accuracy of temperature.
The utility model preferred embodiment is explained in detail above in conjunction with attached drawing, but the utility model is not limited to
The above embodiment within the knowledge of a person skilled in the art, can also not depart from the utility model
It is made a variety of changes on the premise of objective.Many other changes can be made and change by not departing from the spirit and scope of the utility model
Type.It should be appreciated that the utility model is not limited to specific embodiment, the scope of the utility model is limited by appended claims
It is fixed.
Claims (4)
1. a kind of temperature control system for 3D bend glass hot-bending machines, it is characterised in that：Including zero passage detection module, storage
Device, arm processor, LED display module, operation button, sound and light alarm module, SSR solid-state relays, pulse width modulated driving electricity
Road, A/D modular converters, operational amplifier, active low-pass filter, thermocouple, temperature transmitter and electric heating wire；The zero passage
Detection module and operation button are all connected with arm processor, and the memory is connected with arm processor, the LED display module
All be connected with sound and light alarm module with arm processor, the electric heating wire is connected with SSR solid-state relays, the SSR solid-states after
Electric appliance is connected with pulse width modulated driving circuit, and the pulse width modulated driving circuit is connected with arm processor, the thermocouple and temperature
Transmitter connection is spent, the temperature transmitter is connected with operational amplifier, and the operational amplifier connects with active low-pass filter
It connects, the active low-pass filter is connected with A/D modular converters, and the A/D modular converters are connected with arm processor.
2. a kind of temperature control system for 3D bend glass hot-bending machines as described in claim 1, it is characterised in that：It is described
Sound and light alarm module is made of light emitting diode D3, resistance R8, resistance R9, resistance R10, triode Q1 and loud speaker LS1, described
Light emitting diode D3 right ends are connected with resistance R8 left ends, the emitter of the resistance R8 right ends and triode Q1 all with power pins
VCC connections, the base stage of the triode Q1 are connected with the right end of resistance R9, collector and the loud speaker LS1 of the triode Q1
Upper end connection, the lower end of the loud speaker LS1 is connected with resistance R10 upper ends, and the resistance R10 lower ends are grounded.
3. a kind of temperature control system for 3D bend glass hot-bending machines as described in claim 1, it is characterised in that：It is described
Operational amplifier is by resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, diode D1, diode
D2, capacitance C1, capacitance C2, capacitance C3, capacitance C4, capacitance C5, operational amplifier ICL7650 and operational amplifier 741 form.
4. a kind of temperature control system for 3D bend glass hot-bending machines as described in claim 1, it is characterised in that：It is described
A/D modular converters use ADC0809 chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721365483.0U CN207424711U (en) | 2017-10-23 | 2017-10-23 | A kind of temperature control system for 3D bend glass hot-bending machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721365483.0U CN207424711U (en) | 2017-10-23 | 2017-10-23 | A kind of temperature control system for 3D bend glass hot-bending machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207424711U true CN207424711U (en) | 2018-05-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721365483.0U Expired - Fee Related CN207424711U (en) | 2017-10-23 | 2017-10-23 | A kind of temperature control system for 3D bend glass hot-bending machines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207424711U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109007985A (en) * | 2018-09-26 | 2018-12-18 | 深圳瀚星翔科技有限公司 | Hybrid electronic cigarette control system, control method, device and computer equipment |
| TWI789845B (en) * | 2020-07-27 | 2023-01-11 | 美商瓦特洛威電子製造公司 | Method of controlling thermal system and process control system for controlling heater system |
-
2017
- 2017-10-23 CN CN201721365483.0U patent/CN207424711U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109007985A (en) * | 2018-09-26 | 2018-12-18 | 深圳瀚星翔科技有限公司 | Hybrid electronic cigarette control system, control method, device and computer equipment |
| CN109007985B (en) * | 2018-09-26 | 2021-11-09 | 恒信伟业科技(东莞)有限公司 | Hybrid electronic cigarette control system, control method and device and computer equipment |
| TWI789845B (en) * | 2020-07-27 | 2023-01-11 | 美商瓦特洛威電子製造公司 | Method of controlling thermal system and process control system for controlling heater system |
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| 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: 20180529 Termination date: 20181023 |
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| CF01 | Termination of patent right due to non-payment of annual fee |