CN211603966U - Temperature control system of photosensitive resin cleaning machine - Google Patents
Temperature control system of photosensitive resin cleaning machine Download PDFInfo
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- CN211603966U CN211603966U CN202020765684.5U CN202020765684U CN211603966U CN 211603966 U CN211603966 U CN 211603966U CN 202020765684 U CN202020765684 U CN 202020765684U CN 211603966 U CN211603966 U CN 211603966U
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- temperature control
- photosensitive resin
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- cleaning machine
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- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
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Abstract
The utility model provides a temperature control system of a photosensitive resin cleaning machine; the electric furnace temperature control device comprises a PLC, wherein the PLC is connected with an analog output module, the analog output module is connected with an adjusting module, the adjusting module is connected with the electric furnace, an input port of the PLC is further connected with an analog input module, and the analog input module is connected with a thermocouple. The utility model can remind the staff to take corresponding measures through the high temperature alarm device; through the excessive high temperature protection device, accidents caused by excessive high temperature can be prevented.
Description
Technical Field
The utility model relates to a photosensitive resin 3D prints the field, the temperature control system of the photosensitive resin cleaning machine in the aftertreatment stage of the solid photocuring of specific design.
Background
The heating system is required to be equipped according to the requirements of the printing process, and the functions of the heating system mainly embody the following two aspects: firstly, the printing raw material is ensured to rapidly reach the temperature value required by the process; secondly, the temperature in the system is ensured to be kept in a certain range. Temperature control of the temperature system directly affects the quality of the printed workpiece, so temperature control plays a crucial role in the operation of the system. The current temperature control mode has the conditions of unstable temperature control, overlong preheating time, incapability of reaching preset temperature and the like, and even the condition of influencing the quality of a printed workpiece.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a temperature control system of photosensitive resin cleaning machine.
The utility model discloses a following technical scheme can realize.
The utility model provides a temperature control system of a photosensitive resin cleaning machine; the electric furnace temperature control device comprises a PLC, wherein the PLC is connected with an analog output module, the analog output module is connected with an adjusting module, the adjusting module is connected with the electric furnace, an input port of the PLC is further connected with an analog input module, and the analog input module is connected with a thermocouple.
And a PID (proportion integration differentiation) adjusting module and a comparator are arranged in the PLC, the comparator is connected with the analog input module, and the temperature value detected by the thermocouple is compared with a set value in the PLC.
The analog input module is an AD converter.
And the PLC calculates according to the comparison result of the comparator and transmits the calculation structure to the adjusting module through the analog output module.
The adjusting module is a solid-state relay and receives a calculation result of the PLC to control the on-off of the resistance wire.
The analog output module is an AD converter.
And the output end of the PLC is also connected with an alarm.
And a high-temperature protector is also arranged between the adjusting module and the heating wire.
The beneficial effects of the utility model reside in that: the high-temperature alarm device can remind the staff to take corresponding measures; through the excessive high temperature protection device, accidents caused by excessive high temperature can be prevented.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
A temperature control system of a photosensitive resin cleaning machine; the electric furnace temperature control device comprises a PLC, wherein the PLC is connected with an analog output module, the analog output module is connected with an adjusting module, the adjusting module is connected with the electric furnace, an input port of the PLC is further connected with an analog input module, and the analog input module is connected with a thermocouple.
And a PID (proportion integration differentiation) adjusting module and a comparator are arranged in the PLC, the comparator is connected with the analog input module, and the temperature value detected by the thermocouple is compared with a set value in the PLC.
The analog input module is an AD converter.
And the PLC calculates according to the comparison result of the comparator and transmits the calculation structure to the adjusting module through the analog output module.
The adjusting module is a solid-state relay, receives the calculation result of the PLC, controls the conduction time of a resistance wire power supply line, and disconnects the resistance wire power supply line after the time, so as to wait for the next PLC signal.
The analog output module is an AD converter.
The output end of the PLC is also connected with an alarm, and the PLC sends out an alarm instruction after receiving the overhigh temperature signal value transmitted by the thermocouple.
And a high-temperature protector is also arranged between the adjusting module and the heating wire, and the high-temperature protector is used for directly cutting off a resistance wire power supply line when the ambient temperature is too high.
The temperature sensor is responsible for detecting the temperature in the molding bin and transmitting the value to the AD conversion module,
the AD conversion module is responsible for converting the detected analog quantity into digital quantity and transmitting the digital quantity to the PLC;
the PLC compares the value with a set value, and calculates according to the difference between the current temperature value and the set value and the PID control regulation rule, and the calculation result is sent to an output module;
the output is connected with a control Solid State Relay (SSR) to control the on-period time of the SSR;
the other end of the solid-state relay is connected with the heating wire, so that on-off control of the heating wire is realized;
in order to improve the heating efficiency, the heating lamp tube is covered by the lamp shade coated with heat reflecting materials, so that more heat can be transferred to the forming bin;
an over-high temperature alarm device is arranged for reminding workers to take corresponding measures according to abnormal conditions;
aiming at the accident situation, an over-high temperature protection device is arranged, so that the accident caused by over-high temperature can be prevented.
The existing cleaning machine has the conditions of unstable temperature control, overlong preheating time, incapability of reaching preset temperature and the like, and even has the condition of influencing the quality of printed workpieces. And does not have an over-temperature alarm and over-temperature protection device.
The invention can be suitable for post-processing equipment of photosensitive resin 3D printing parts, and can improve the real-time performance and stability of a temperature system.
Claims (8)
1. A temperature control system of a photosensitive resin cleaning machine is characterized in that: the electric furnace temperature control device comprises a PLC, wherein the PLC is connected with an analog output module, the analog output module is connected with an adjusting module, the adjusting module is connected with the electric furnace, an input port of the PLC is further connected with an analog input module, and the analog input module is connected with a thermocouple.
2. The temperature control system of a photosensitive resin cleaning machine according to claim 1, wherein: and a PID (proportion integration differentiation) adjusting module and a comparator are arranged in the PLC, the comparator is connected with the analog input module, and the temperature value detected by the thermocouple is compared with a set value in the PLC.
3. The temperature control system of a photosensitive resin cleaning machine according to claim 1, wherein: the analog input module is an AD converter.
4. The temperature control system of a photosensitive resin cleaning machine according to claim 1, wherein: and the PLC calculates according to the comparison result of the comparator and transmits the calculation structure to the adjusting module through the analog output module.
5. The temperature control system of a photosensitive resin cleaning machine according to claim 4, wherein: the adjusting module is a solid-state relay and receives a calculation result of the PLC to control the on-off of the resistance wire.
6. The temperature control system of a photosensitive resin cleaning machine according to claim 1, wherein: the analog output module is an AD converter.
7. The temperature control system of a photosensitive resin cleaning machine according to claim 1, wherein: and the output end of the PLC is also connected with an alarm.
8. The temperature control system of a photosensitive resin cleaning machine according to claim 1, wherein: and a high-temperature protector is also arranged between the adjusting module and the heating wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020765684.5U CN211603966U (en) | 2020-05-11 | 2020-05-11 | Temperature control system of photosensitive resin cleaning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020765684.5U CN211603966U (en) | 2020-05-11 | 2020-05-11 | Temperature control system of photosensitive resin cleaning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211603966U true CN211603966U (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020765684.5U Active CN211603966U (en) | 2020-05-11 | 2020-05-11 | Temperature control system of photosensitive resin cleaning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211603966U (en) |
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2020
- 2020-05-11 CN CN202020765684.5U patent/CN211603966U/en active Active
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