CN217113126U - Constant temperature control circuit and hot-press welding machine - Google Patents
Constant temperature control circuit and hot-press welding machine Download PDFInfo
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- CN217113126U CN217113126U CN202220415944.5U CN202220415944U CN217113126U CN 217113126 U CN217113126 U CN 217113126U CN 202220415944 U CN202220415944 U CN 202220415944U CN 217113126 U CN217113126 U CN 217113126U
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Abstract
The utility model discloses a thermostatic control circuit and thermocompression bonding machine, thermocompression bonding machine include that a plurality of generates heat the board, and thermostatic control circuit includes: the temperature control module, the temperature detection module and the heating module; the temperature detection module is used for respectively detecting the real-time temperature of each heating plate; the temperature control module is used for comparing each real-time temperature with a preset temperature threshold value and outputting a corresponding control signal to the heating module according to a comparison result; the heating module is used for respectively controlling each heating plate to be heated or cooled to a preset temperature threshold according to the control signal. This application detects the real-time temperature of every board that generates heat and exports to temperature control module through temperature detection module, and temperature control module compares every real-time temperature that generates heat the board with predetermineeing the temperature threshold value to according to the temperature of every board that generates heat of comparison result drive heating module control, thereby realize that all the temperature that generate heat the board keep unanimous, and maintain the constant temperature state.
Description
Technical Field
The utility model relates to a temperature control technical field especially relates to a constant temperature control circuit and hot pressing welding machine.
Background
In the production technology of the drench membrane cloth most commonly used at present, need adopt the thermocompression bonding machine to weld, current thermocompression bonding machine all adopts a plurality of boards that generate heat of small area to carry out thermocompression bonding to the cloth on heated press mold, nevertheless only control the operating condition of whole hot pressing according to the detection temperature of single board that generates heat in this heating methods, the unable accurate temperature that detects and control every board that generates heat, make the unable unanimity that keeps of temperature of each board that generates heat, cause easily drench membrane cloth to weld rotten, weld insecure problem, make the production defective rate of drenching membrane cloth higher.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the utility model provides a constant temperature control circuit and heat press welder to solve the problem that every board temperature that generates heat can't accurate detection and control.
In order to solve the technical problem, the utility model discloses a technical scheme be:
the utility model provides a thermostatic control circuit, is applied to the thermocompression bonding machine, the thermocompression bonding machine includes that a plurality of generates heat the board, thermostatic control circuit includes: the temperature control module, the temperature detection module and the heating module;
the temperature detection module is respectively connected with each heating plate and is used for respectively detecting the real-time temperature of each heating plate;
the temperature control module is electrically connected with the temperature detection module and is used for comparing the real-time temperature of each heating plate with a preset temperature threshold value and outputting a corresponding control signal to the heating module according to a comparison result;
the heating module is respectively connected with the temperature control module and the heating plates, and the heating module is used for respectively controlling the heating plates to be heated or cooled to the preset temperature threshold value according to the control signals.
Further, the heating module includes: a switching unit and a heating unit;
the switch unit is respectively connected with the temperature control module and the heating unit and is used for controlling the heating unit to be switched on or off according to the control signal;
the heating unit is connected with the heating plate, and the heating unit is used for controlling the heating plate to heat up when being switched on and controlling the heating plate to cool down when being switched off.
Furthermore, the temperature detection module comprises temperature sensors which are correspondingly connected with the heating plates one by one.
Further, the heating unit comprises heaters which are connected with the heating plates in a one-to-one corresponding mode.
Furthermore, the switch unit comprises relays connected with the heaters in a one-to-one correspondence manner, and the relays are also connected with the temperature control module.
Further, the relay is a solid state relay.
Furthermore, the constant temperature control circuit further comprises a control panel module, the control panel module is connected with the temperature control module, and the control panel module is used for displaying the real-time temperature and the preset temperature threshold value of each heating module and setting the preset temperature threshold value.
Further, the control panel module comprises a display, and the display is connected with the temperature control module.
Furthermore, the constant temperature control circuit further comprises a power module, the power module is respectively connected with the heating module, the temperature control module and the control panel module, and the power module is used for respectively supplying power to the heating module, the temperature control module and the control panel module.
A thermocompression bonding machine comprises a heating plate and a constant temperature control circuit as described in any one of the above.
The beneficial effects of the utility model reside in that: detect the real-time temperature of every board that generates heat and export to temperature control module through temperature detection module, temperature control module compares every real-time temperature that generates heat the board with predetermineeing the temperature threshold value to according to the comparative result control heating module, so that every temperature that generates heat the board is controlled respectively to the heating module, thereby realize that the temperature of all boards that generate heat keeps unanimous, and maintains the constant temperature state, be favorable to avoiding drenching the membrane cloth and appear welding rotten, weld not firm problem, be favorable to improving the production yield of drenching the membrane cloth.
Drawings
Fig. 1 is a schematic block diagram of a constant temperature control circuit according to an embodiment of the present invention;
fig. 2 is another schematic block diagram of a thermostatic control circuit according to an embodiment of the present invention;
fig. 3 is another functional block diagram of a thermostat control circuit according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a constant temperature control circuit according to an embodiment of the present invention.
Description of reference numerals:
100. a heat generating plate; 200. a temperature detection module; 300. a temperature control module; 400. a heating module; 410. a switch unit; 420. a heating unit; 500. a control panel module; 600. and a power supply module.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Examples
Referring to fig. 1 to 4, an embodiment of the present invention is:
a constant temperature control circuit is applied to a hot-press welding machine; the thermocompression bonding machine comprises a plurality of heating plates 100 for thermocompression bonding non-woven fabrics such as laminating cloth.
Referring to fig. 1, the thermostatic control module includes: a temperature control module 300, a temperature detection module 200 and a heating module 400; the temperature detection module 200 is respectively connected to each heating module 400, and the temperature detection module 200 is used for respectively detecting the real-time temperature of each heating plate 100; the temperature control module 300 is electrically connected to the temperature detection module 200, and the temperature control module 300 is configured to compare the real-time temperature of each heating board 100 with a preset temperature threshold, and output a control signal to the heating module 400 according to the comparison result; the heating module 400 is respectively connected to the temperature control module 300 and the heating plates 100, and the heating module 400 is configured to respectively control each heating plate 100 to heat up or cool down to the preset temperature threshold according to the control signal.
The working principle of the constant temperature control circuit in the embodiment is as follows: the temperature detection module 200 is connected to the heating panels 100, detects the real-time temperature of each heating panel 100, and outputs the real-time temperature to the temperature control module 300; the temperature control module 300 is electrically connected to the temperature detection module 200, compares each acquired real-time temperature with a preset temperature threshold, and outputs a control signal to the heating module 400 according to the comparison result, and the heating module 400 controls the corresponding heating panel 100 to be heated or cooled to the preset temperature threshold according to the control signal.
It can be understood that, the constant temperature control circuit in this embodiment, through detecting every respectively the real-time temperature of the board 100 that generates heat to control the operating condition of heating module 400 through temperature control module 300, make every temperature that generates heat board 100 keep unanimous, and maintain and predetermine the temperature threshold at the temperature, realize that the whole regional temperature that generates heat is even, and keep the constant temperature state, thereby when the hot-pressing welding drenches membrane cloth, can effectively avoid appearing welding the rotten, the not firm condition of welding, improve the production yield of drenches membrane cloth.
Referring to fig. 2, in particular, the heating module 400 includes: a switching unit 410 and a heating unit 420; the switch unit 410 is respectively connected to the temperature control module 300 and the heating unit 420, and the switch unit 410 is configured to control the heating unit 420 to be turned on or off according to the control signal; the heating unit 420 is connected to the heat-generating plate 100, and the heating unit 420 is used for controlling the heat-generating plate 100 to be heated when being turned on and controlling the heat-generating plate 100 to be cooled when being turned off.
It is understood that the temperature control module 300 outputs a control signal to the switching unit 410, and the switching unit 410 controls the operating state of the heating unit 420 according to the control signal. When the temperature of any one of the heating plates 100 does not reach a preset temperature threshold, the temperature control module 300 controls the switch unit 410 to be turned on, so that the heating unit 420 works to heat the heating plate 100; when the temperature of the heating plate 100 reaches or exceeds a preset temperature threshold, the temperature control module 300 controls the switch module to be turned off, so that the heating unit 420 stops heating the heating plate 100, and the heating plate 100 is cooled.
Specifically, further, the temperature detection module 200 includes temperature sensors connected to the heat generating plates 100 in a one-to-one correspondence manner. It can be understood that, in this embodiment, each heating plate 100 is subjected to temperature detection by a corresponding connected temperature sensor, the temperature sensor sends the detected real-time temperature to the temperature control module 300, and the temperature control module 300 compares each real-time temperature with a preset temperature threshold to obtain a comparison result and output a corresponding control signal to the heating module 400, so as to control the operating state of the heating module 400. The temperature sensor adopts a thermocouple type temperature sensor, and has the advantages of stable performance, large temperature measurement range, long signal transmission distance and the like.
Specifically, the heating unit 420 includes heaters connected to the heat generating plates 100 in a one-to-one correspondence. Further, the switch unit 410 includes relays connected to the heaters in a one-to-one correspondence, and the relays are further connected to the temperature control module 300. It can be understood that, in the present embodiment, the temperature control module 300 correspondingly outputs a control signal according to the real-time temperature of each heating panel 100 to control the on/off of each relay, so as to control the operating state of each heater. When the temperature of the heating plate 100 does not reach a preset temperature threshold, the temperature control module 300 outputs a control signal to the corresponding relay, and the relay receives the control signal and then turns on the heater, so that the heater heats the heating plate 100; when the heating panel 100 reaches or exceeds the preset temperature threshold, the temperature control module 300 outputs another control signal to the corresponding relay, and the relay turns off the heater after receiving the control signal, so that the heater stops heating the heating panel 100, and the temperature of the heating panel 100 is maintained at the preset temperature threshold. Furthermore, the relay is a solid-state relay, has the advantages of easy control, no electric shock or action noise, high switching speed, no spark interference and high reliability, and is favorable for improving the stability of the constant temperature control circuit.
In this embodiment, the temperature control module 300 is a KZSCR TC-8 temperature control module 300, and specifically, the temperature controller is connected to at most 8 temperature sensors to collect real-time temperatures of 8 heating modules 400; meanwhile, the temperature controller is correspondingly connected with 8 paths of relays at most so as to control the on-off of the 8 paths of relays. The constant temperature control circuit comprises 9 temperature controllers, the working states of the 76 heaters are controlled at most, and the temperature controllers are connected in series through an RS485 bus.
Referring to fig. 3 and 4, for example, taking one of the heat generating plates 100 as an example, one end of the heater H1-1 connected to the heat generating plate 100 is connected to a neutral line, the other end of the heater H1-1 is connected to the solid-state relay R1-1, a load end of the solid-state relay R1-1 is connected to a live line, a control end of the solid-state relay R1-1 is connected to the temperature control module 300, the temperature control module 300 is correspondingly connected to the temperature sensor T1-1, and the temperature sensor is connected to the heat generating plate 100. The temperature control module 300 sets a preset temperature threshold to 160 ℃. When the constant temperature control circuit works, the temperature sensor T1-1 detects the real-time temperature of the heating plate 100 and outputs the real-time temperature to the temperature control module 300, the temperature control module 300 compares the real-time temperature with the preset temperature threshold value and outputs a corresponding control signal to the control end of the solid-state relay R1-1 according to the comparison result, and the solid-state relay R1-1 receives the control signal and controls the heater H1-1 to be switched on or switched off. Specifically, when the temperature of the heating plate 100 does not reach 160 ℃, the temperature control module 300 controls the solid-state relay R1-1 to conduct the heater H1-1, so that the heater H1-1 works to heat the heating plate 100; when the temperature of the heater H1-1 reaches or exceeds 160 ℃, the temperature control module 300 controls the solid-state relay R1-1 to disconnect the heater H1-1, so that the heater H1-1 stops working, and the temperature of the heating plate 100 drops. In other embodiments, a preset temperature threshold interval with an upper deviation of 10 ℃ and a lower deviation of 3 ℃ may be set according to the preset temperature threshold, so that the heating plate 100 is maintained at the preset temperature threshold interval through the region where the heating module 400 is heated.
Referring to fig. 3 and 4, further, the constant temperature control circuit further includes a control panel module 500, the control panel module 500 is connected to the temperature control module 300, and the control panel module 500 is configured to display the real-time temperature and the preset temperature threshold of each heating module 400, and set the preset temperature threshold. The voltage conversion module is further connected to the control panel module 500, and is configured to supply power to the control panel module 500. Further, the control panel module 500 includes a display, and the display is connected to the temperature control module 300. Wherein, control panel module 500 can be human-computer interaction equipment such as host computer, PLC controller that have the display, the display can be for touch display, can directly set up on the display and preset the temperature threshold value to and preset the temperature threshold value interval.
In this embodiment, the constant temperature control circuit further includes a power module 600, the power module 600 is respectively connected to the heating module 400, the temperature control module 300 and the control panel module 500, and the power module 600 is configured to respectively supply power to the heating module 400, the temperature control module 300 and the control panel module 500. Wherein, the load end of solid state relay and the one end that the heater connects the live wire passes through power module 600 inserts the commercial power, power module 600 still includes voltage converter, voltage converter does after changing the commercial power into low voltage direct current temperature control module 300 with the power supply of control panel module 500.
The embodiment also discloses a hot-press welding machine which comprises a heating plate 100 and any one of the constant temperature control circuits. The heating plate 100 is uniformly provided with a plurality of heating modules 400, and the temperature of each area on the heating plate 100 is kept consistent and maintained within a preset temperature threshold range by controlling through the constant temperature control circuit.
To sum up, the utility model provides a constant temperature control circuit and hot pressure welding machine detects the real-time temperature of every board that generates heat and exports to temperature control module through temperature detection module, temperature control module compares every real-time temperature that generates heat the board with predetermineeing the temperature threshold value to according to comparative result control heating module, so that every temperature that generates heat the board is controlled respectively to the heating module, thereby realize that the temperature of all boards that generate heat keeps unanimous, and maintains constant temperature state, be favorable to avoiding drenching the membrane cloth and appear welding rotten, weld not firm problem, be favorable to improving the production of drenching the membrane cloth and be good. In addition, each heating plate is subjected to temperature detection by an independent heater temperature control and a temperature sensor, so that independent temperature monitoring of each heating plate is realized. In addition, the working state of the heater is controlled by the solid-state relay, so that the stability of the constant temperature control circuit is improved, and the heating plates can be provided with more heating plates by the aid of the plurality of temperature control modules, and the overall temperature is more uniform in the same hot-pressing area.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a constant temperature control circuit, is applied to the thermocompression bonding machine, the thermocompression bonding machine includes that a plurality of generates heat the board, its characterized in that, constant temperature control circuit includes: the temperature control module, the temperature detection module and the heating module;
the temperature detection module is respectively connected with each heating plate and is used for respectively detecting the real-time temperature of each heating plate;
the temperature control module is electrically connected with the temperature detection module and is used for comparing the real-time temperature of each heating plate with a preset temperature threshold value and outputting a corresponding control signal to the heating module according to a comparison result;
the heating module is respectively connected with the temperature control module and the heating plates, and the heating module is used for respectively controlling the heating plates to be heated or cooled to the preset temperature threshold value according to the control signals.
2. The thermostatic control circuit of claim 1, wherein the heating module comprises: a switching unit and a heating unit;
the switch unit is respectively connected with the temperature control module and the heating unit and is used for controlling the heating unit to be switched on or off according to the control signal;
the heating unit is connected with the heating plate, and the heating unit is used for controlling the heating plate to heat up when being switched on and controlling the heating plate to cool down when being switched off.
3. The constant temperature control circuit according to claim 1, wherein the temperature detection module includes temperature sensors connected in one-to-one correspondence with the heat generating plates.
4. The constant temperature control circuit according to claim 2, wherein the heating unit includes heaters connected in one-to-one correspondence with the heat generating plates.
5. The thermostat control circuit of claim 4, wherein the switch unit includes relays connected in a one-to-one correspondence with the heaters, the relays further connected with the temperature control module.
6. A thermostat control circuit according to claim 5, wherein the relay is a solid state relay.
7. The thermostatic control circuit of claim 1, further comprising a control panel module, wherein the control panel module is connected to the temperature control module, and the control panel module is configured to display a real-time temperature and a preset temperature threshold value of each heating module, and to set the preset temperature threshold value.
8. The thermostat control circuit of claim 7, wherein the control panel module includes a display, the display being connected with the temperature control module.
9. The thermostatic control circuit of claim 7, further comprising a power module, the power module being connected to the heating module, the temperature control module, and the control panel module, respectively, the power module being configured to supply power to the heating module, the temperature control module, and the control panel module, respectively.
10. A thermocompression bonding machine comprising a heat-generating plate and the constant temperature control circuit according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220415944.5U CN217113126U (en) | 2022-02-25 | 2022-02-25 | Constant temperature control circuit and hot-press welding machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220415944.5U CN217113126U (en) | 2022-02-25 | 2022-02-25 | Constant temperature control circuit and hot-press welding machine |
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| CN217113126U true CN217113126U (en) | 2022-08-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115628448A (en) * | 2022-10-14 | 2023-01-20 | 中交第三航务工程局有限公司 | Temperature control system and temperature control method for submerged arc welding workpiece |
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- 2022-02-25 CN CN202220415944.5U patent/CN217113126U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115628448A (en) * | 2022-10-14 | 2023-01-20 | 中交第三航务工程局有限公司 | Temperature control system and temperature control method for submerged arc welding workpiece |
| CN115628448B (en) * | 2022-10-14 | 2023-09-26 | 中交第三航务工程局有限公司 | Submerged arc welding workpiece temperature control system and temperature control method |
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