CN214954717U - Control system - Google Patents
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- CN214954717U CN214954717U CN202120969204.1U CN202120969204U CN214954717U CN 214954717 U CN214954717 U CN 214954717U CN 202120969204 U CN202120969204 U CN 202120969204U CN 214954717 U CN214954717 U CN 214954717U
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Abstract
The utility model provides a control system relates to control technical field, can solve the big problem of temperature fluctuation to improve temperature control's effect. Control system includes intelligent temperature controller, pressure regulating subassembly and heating element, intelligent temperature controller includes: the control component and the digital conversion component; the digital conversion assembly is connected with the control assembly and is configured to output a corresponding digital signal to the control assembly according to the received thermocouple signal; the control component is connected with the voltage regulating component and is configured to output a corresponding PWM signal to the voltage regulating component according to the digital signal; the voltage regulating assembly is connected with the heating assembly and is configured to regulate the voltage of the heating assembly according to the PWM signal so as to regulate the furnace wire temperature value.
Description
Technical Field
The utility model belongs to the technical field of control, especially, relate to a control system.
Background
In various production processes, the heating process is widely applied. For example, in the deep tempering processing process of the photovoltaic glass original sheet, the photovoltaic glass original sheet needs to be physically tempered, so that the photovoltaic glass original sheet reaches the due tempering strength. At present, the heating member is controlled through the break-make of control switch usually, and then utilizes the heating member to heat the former piece of photovoltaic glass to the realization is to the purpose of former piece physics tempering of photovoltaic glass.
However, the conventional heating control method of controlling a heating member by controlling the on/off of a switch has a problem of large temperature fluctuation and a poor temperature control effect.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a control system can reduce temperature fluctuation nature effectively, improves temperature control's the degree of accuracy.
An embodiment of the utility model provides a control system, this control system includes intelligent temperature controller, pressure regulating subassembly and heating element, intelligent temperature controller includes: the control component and the digital conversion component;
the digital conversion assembly is connected with the control assembly and is configured to output a corresponding digital signal to the control assembly according to the received thermocouple signal;
the control component is connected with the voltage regulating component and is configured to output a corresponding PWM signal to the voltage regulating component according to the digital signal;
the voltage regulating assembly is connected with the heating assembly and is configured to regulate the voltage of the heating assembly according to the PWM signal so as to regulate the furnace wire temperature value.
In one embodiment, the intelligent temperature controller further comprises: a communication component, wherein the communication component is connected with the control component.
In one embodiment, the control system further comprises a display component, wherein the control component is in communication connection with the display component through the communication component.
In one embodiment, the intelligent temperature controller further comprises a power supply component, wherein the power supply component is connected with the control component and is configured to provide electric energy to the control component.
In one embodiment, the intelligent temperature controller further comprises a programming interface component, wherein the programming interface component is connected with the control component.
In one embodiment, the control system further comprises a thermocouple, wherein,
the thermocouple is connected with the digital conversion assembly and is configured to transmit the thermocouple signal to the intelligent temperature controller.
In one embodiment, the intelligent temperature controller further comprises at least two signal acquisition channels, wherein,
each signal acquisition channel is respectively connected with one digital conversion assembly in a one-to-one correspondence mode and is configured to transmit the received thermocouple signals to the digital conversion assemblies.
In one embodiment, the intelligent temperature controller further comprises at least two signal acquisition channels, wherein,
the at least two signal acquisition channels are connected with the same digital conversion assembly and are configured to transmit the received thermocouple signals to the digital conversion assembly.
In one embodiment, the intelligent temperature controller further comprises at least two output interfaces;
the control assembly is connected with each output interface respectively, and the voltage regulating assembly is connected with each output interface.
In one embodiment, the intelligent temperature controller further comprises at least two output interfaces;
the control assembly is respectively connected with each output interface, and the pressure regulating assembly is connected with one of the at least two output interfaces.
The embodiment of the utility model provides a control system, through digital conversion subassembly with control assembly connects, wherein, digital conversion subassembly is configured as will be according to the digital signal that the thermocouple signal output that receives corresponds extremely control assembly, again by control assembly basis the PWM signal that the linear output of digital signal corresponds extremely the pressure regulating subassembly, with through the pressure regulating subassembly basis the linear regulation of PWM signal heating assembly's input voltage, and then the realization is to heating assembly's heating power's linear regulation to by heating assembly based on the heating power that linear regulation obtained heats the stove silk smoothly, come to adjust stove silk temperature value smoothly, thereby reduce the temperature fluctuation of the heating temperature in-process of adjusting the stove silk, and improve the effect to stove silk temperature control effectively.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a control system according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a control system according to another embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a control system according to another embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a control system according to another embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a control system according to another embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a control system according to another embodiment of the present invention.
Description of reference numerals: 100. a control system; 200. an intelligent temperature controller; 201. a digital conversion component; 202. a control component; 203. a communication component; 204. a power supply component; 205. a programming interface component; 300. A voltage regulating component; 400. a heating assembly; 500. a display component; 600. and a thermocouple.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details.
In order to explain the technical solution of the present invention, the following description is made by using specific examples.
As shown in fig. 1, the embodiment of the present invention provides a control system 100, the control system 100 includes an intelligent temperature controller 200, a pressure regulating assembly 300 and a heating assembly 400, the intelligent temperature controller 200 includes: a control component 202 and a digital conversion component 201.
The digital conversion component 201 is connected to the control component 202, and configured to output a corresponding digital signal to the control component 202 according to the received thermocouple signal. The digital conversion module 201 can be searched for a model and directly purchased in the market, for example, Max6675, and when it is necessary to know the model of the device, the technical specification can be directly searched for the device to know the model, so that the device is not described in detail.
The control component 202 is connected to the voltage regulating component 300, and configured to output a corresponding PWM signal to the voltage regulating component 300 according to the digital signal. The control component 202 may include an 89C51 chip, and for a specific scheme of linearly outputting the PWM signal according to the digital signal through the 89C51 chip, reference may be made to related schemes in the prior art, which are not described herein again.
The voltage regulating assembly 300 is connected with the heating assembly 400 and configured to regulate the voltage of the heating assembly 400 according to the PWM signal so as to regulate the furnace wire temperature value. The voltage regulating component 300 can be found by model and directly purchased in the market, such as LSA-TH3P50Y, and technical specifications can be directly found for understanding when the model of the device needs to be known, so that the device is not described in detail.
It can be understood that, for the purpose of adjusting the temperature value of the furnace wire through the intelligent temperature controller 200, when the temperature value of the furnace wire needs to be adjusted, the digital component of the intelligent temperature controller 200 receives the thermocouple signal corresponding to the current temperature value of the furnace wire first, so as to know the current temperature condition of the furnace wire through the thermocouple signal, then the digital conversion component 201 is configured to output the corresponding digital signal to the control component 202 according to the received thermocouple signal, and then the control component 202 linearly outputs the corresponding PWM signal to the voltage regulation component 300 according to the digital signal, so as to adjust the input voltage of the heating component 400 through the voltage regulation component 300 according to the duty ratio of the received PWM signal, thereby achieving the linear adjustment of the heating power of the heating component 400, and the heating component 400 smoothly heats the furnace wire based on the heating power obtained by the linear adjustment, the temperature value of the furnace wire is smoothly adjusted so as to reduce the fluctuation of the temperature value in the process of adjusting the heating temperature of the furnace wire, thereby realizing the purpose of linearly adjusting the heating power of the heating assembly 400 by utilizing a PWM signal, further smoothly adjusting the temperature value of the furnace wire, more accurately controlling the temperature value of the furnace wire and further effectively improving the effect of controlling the temperature of the furnace wire.
In some embodiments, the digital conversion component 201 is a sigma-delta type analog-to-digital converter. For example, an analog-to-digital converter of the model Max6675 can directly look up a technical specification for understanding when it is necessary to know the model of the device, and therefore, the device is not described in detail.
In some embodiments, the digital conversion component 201 receives the thermocouple signal and converts the thermocouple signal into a corresponding digital signal. The digital conversion component 201 transmits digital signals to the control component 202 through a Serial Peripheral Interface (SPI). After receiving the digital signal, the control component 202 stores the digital signal in a register in the control component 202, and then linearly outputs a corresponding PWM signal to the voltage regulating component 300 according to the digital signal.
For example, in a specific implementation scenario, the control component 202 is an 8-bit single chip microcomputer, the digital conversion component 201 is an analog-to-digital converter with a model number Mx6675, and the thermocouple signal is a type K thermocouple analog signal. After receiving the thermocouple signal, the analog-to-digital converter performs cold end temperature compensation on the thermocouple signal, converts the thermocouple signal into a digital signal and transmits the digital signal to the single chip microcomputer through a serial peripheral interface. After receiving the digital signal, the single chip microcomputer stores the digital signal in the register, calculates a corresponding control quantity according to the digital signal, and linearly outputs a PWM signal corresponding to the control quantity to the voltage regulating assembly, so that the voltage regulating assembly 300 regulates the input voltage of the heating assembly 400 according to the PWM signal, thereby linearly regulating the heating power of the heating assembly 400, so that the heating assembly 400 linearly regulates the heating power obtained based on the linear regulation.
As shown in fig. 2, in one embodiment, the intelligent temperature controller 200 further comprises: a communication component 203, wherein the communication component 203 is connected with the control component 202. The communication component 203 can search for the model and directly purchase the model in the market, such as MAX485, MAX487, MAX491, or MAX1487, and when the model of the device needs to be known, the technical specification of the search can be directly browsed for understanding, so that the device is not described in detail.
As shown in FIG. 3, in one embodiment, the control system 100 further comprises a display assembly 500, wherein the control assembly 202 is communicatively coupled to the display assembly 500 via the communication assembly 203.
In this embodiment, the display component 500 is used to display the voltage, current, power or furnace wire temperature of the intelligent controller control output. The display module 500 can be found by model and purchased directly on the market, for example, AT7101Ti, and when it is necessary to know the model of the device, the user can directly look over the technical specification of the search for the device, so that the device is not described in detail.
In some embodiments, the control component 202 is communicatively coupled to the display component 500 via the communication component 203 using a Modbus communication protocol.
In some embodiments, the control component 202 of the intelligent temperature controller 200 receives the heating rate set by the user through the display component 500, calculates the control amount according to the digital signal and the acquired heating rate, determines the corresponding PWM signal based on the control amount, and outputs the corresponding PWM signal to the voltage regulating component 300.
As shown in fig. 4, in one embodiment, the intelligent temperature controller 200 further comprises a power supply component 204, wherein the power supply component 204 is connected to the control component 202 and configured to provide power to the control component 202.
In some embodiments, the intelligent temperature controller 200 further comprises a switch component connected to the power supply component 204 for controlling the power supply component 204 to provide power to the control component 202. Preferably, the switch assembly is an on-off switch assembly.
In particular, the power supply component 204 is specifically configured to step down an external or battery voltage to generate a direct current that matches the control component 202.
By way of example and not limitation, the external voltage may be provided by a power adapter or may be adapted by a Universal Serial Bus (USB) connector.
In some embodiments, the switch component is embodied as a push button switch, and when the user presses the push button switch, the power supply component 204 may provide power to the control component 202, and then when the user presses the push button switch again, the power supply component 204 stops providing power to the control component 202.
As shown in fig. 5, in one embodiment, the intelligent temperature controller 200 further comprises a programming interface component 205, wherein the programming interface component 205 is connected with the control component 202.
As shown in fig. 6, in one embodiment, the control system 100 further comprises a thermocouple 600, wherein the thermocouple 600, connected to the digital conversion assembly 201, is configured to transmit the thermocouple signal to the intelligent temperature controller 200.
In this embodiment, the thermocouple 600 is used to measure the temperature of the furnace wire, convert the temperature signal into a thermocouple signal, and transmit the thermocouple signal to the digital conversion assembly 201. Preferably, the thermocouple 600 is a K-type thermocouple 600, such as model WRN-130, WRN-122, or WRN-230. The thermocouple 600 can be searched through the model and directly purchased in the market, and the searching technical specification can be directly read for understanding when the model of the equipment needs to be known, so that the equipment is not described in detail.
In one embodiment, the intelligent temperature controller 200 further comprises at least two signal acquisition channels, wherein,
each signal acquisition channel is connected with one digital conversion assembly 201 in a one-to-one correspondence manner, and is configured to transmit the received thermocouple signal to the digital conversion assembly 201.
In one embodiment, the intelligent temperature controller 200 further comprises at least two signal acquisition channels, wherein,
the at least two signal acquisition channels are connected to the same digital conversion assembly 201, and are configured to transmit the received thermocouple signals to the digital conversion assembly 201.
In some embodiments, each signal acquisition channel is connected to a first indicator light, and when the signal acquisition channel is connected to the digital conversion component 201, the first indicator light of the signal acquisition channel is in a display state to indicate that the signal acquisition channel is connected, so that a user can know about the connection of the signal acquisition channel of the intelligent temperature controller 200.
In one embodiment, the intelligent temperature controller further comprises at least two output interfaces;
the control component 202 is connected to each of the output interfaces, and the voltage regulating component 300 is connected to each of the output interfaces.
In one embodiment, the intelligent temperature controller further comprises at least two output interfaces;
the control component 202 is connected to each of the output interfaces, and the voltage regulating component 300 is connected to one of the at least two output interfaces.
In some embodiments, each output interface is connected to a second indicator light, and when the output interface is connected to the control component 202, the second indicator light corresponding to the output interface is in a display state to indicate that the output interface is connected, so that a user can know the connection condition of the output interface of the intelligent temperature controller 200.
The above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a control system, its characterized in that, control system includes intelligent temperature controller, pressure regulating subassembly and heating element, intelligent temperature controller includes: the control component and the digital conversion component;
the digital conversion assembly is connected with the control assembly and is configured to output a corresponding digital signal to the control assembly according to the received thermocouple signal;
the control component is connected with the voltage regulating component and is configured to output a corresponding PWM signal to the voltage regulating component according to the digital signal;
the voltage regulating assembly is connected with the heating assembly and is configured to regulate the voltage of the heating assembly according to the PWM signal so as to regulate the furnace wire temperature value.
2. The control system of claim 1, wherein the smart temperature controller further comprises: a communication component, wherein the communication component is connected with the control component.
3. The control system of claim 2, further comprising a display assembly, wherein the control assembly is communicatively coupled to the display assembly via the communication assembly.
4. The control system of claim 1, wherein the smart temperature controller further comprises a power supply component, wherein the power supply component is coupled to the control component and configured to provide power to the control component.
5. The control system of claim 1, wherein the intelligent temperature controller further comprises a programming interface component, wherein the programming interface component is coupled to the control component.
6. The control system of claim 1, further comprising a thermocouple, wherein,
the thermocouple is connected with the digital conversion assembly and is configured to transmit the thermocouple signal to the intelligent temperature controller.
7. The control system of any one of claims 1 to 6, wherein said intelligent temperature controller further comprises at least two signal acquisition channels, wherein,
each signal acquisition channel is respectively connected with one digital conversion assembly in a one-to-one correspondence mode and is configured to transmit the received thermocouple signals to the digital conversion assemblies.
8. The control system of any one of claims 1 to 6, wherein said intelligent temperature controller further comprises at least two signal acquisition channels, wherein,
the at least two signal acquisition channels are connected with the same digital conversion assembly and are configured to transmit the received thermocouple signals to the digital conversion assembly.
9. The control system of any one of claims 1-6, wherein the intelligent temperature controller further comprises at least two output interfaces;
the control assembly is connected with each output interface respectively, and the voltage regulating assembly is connected with each output interface.
10. The control system of any one of claims 1-6, wherein the intelligent temperature controller further comprises at least two output interfaces;
the control assembly is respectively connected with each output interface, and the pressure regulating assembly is connected with one of the at least two output interfaces.
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| CN202120969204.1U CN214954717U (en) | 2021-05-07 | 2021-05-07 | Control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120969204.1U CN214954717U (en) | 2021-05-07 | 2021-05-07 | Control system |
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| CN214954717U true CN214954717U (en) | 2021-11-30 |
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| CN202120969204.1U Active CN214954717U (en) | 2021-05-07 | 2021-05-07 | Control system |
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