CN217689842U - Safety protection control system applied to laminating machine hot oil furnace - Google Patents
Safety protection control system applied to laminating machine hot oil furnace Download PDFInfo
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- CN217689842U CN217689842U CN202221306051.3U CN202221306051U CN217689842U CN 217689842 U CN217689842 U CN 217689842U CN 202221306051 U CN202221306051 U CN 202221306051U CN 217689842 U CN217689842 U CN 217689842U
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Abstract
The utility model provides a be applied to safety protection control system of laminator hot oil stove, include: the laminating machine is in circulating connection with the hot oil furnace through an oil pump, a pressure sensor, a liquid level sensor and an in-furnace temperature sensor are arranged inside the hot oil furnace, an oil furnace oil outlet temperature sensor is arranged at an outlet of the hot oil furnace, an oil furnace oil return temperature sensor is arranged at an oil return opening of the hot oil furnace, a heating plate temperature sensor is arranged on a heating plate of the laminating machine, and the pressure sensor, the liquid level sensor, the in-furnace temperature sensor and the heating plate temperature sensor are all electrically connected with the electric control module. The utility model provides a be applied to safety protection control system of laminator hot oil stove can get rid of the latent security threat of hot oil stove, avoids improving staff's factor of safety because of the potential safety hazard that the operation arouses when improper.
Description
Technical Field
The utility model relates to a solar module encapsulates technical field, especially relates to a be applied to safety protection control system of laminator hot oil stove.
Background
The hot oil furnace is an organic heat carrier heating furnace, has the characteristics of high efficiency and energy conservation, is widely applied to the photovoltaic industry, and is a very important component of a solar cell module laminating machine. The hot oil furnace and the heating plate of the laminating machine are connected together through a pipeline, heat conduction oil is used as a heat carrier, a circulating oil pump is used for forcing liquid phase circulation, the temperature of the heat conduction oil is conveyed to the heating plate of the laminating machine and then returned to the hot oil furnace, and therefore closed circulation is formed.
However, the oil circuit explosion may occur due to improper operation of the hot oil furnace, so that safety accidents are caused, the conventional safety protection system can only give an alarm when problems occur, maintenance personnel can make mistakes in operation strictly according to rules according to prompts, personal safety can be guaranteed, dependence on personnel is strong, and effective safety protection cannot be realized. Therefore, it is necessary to design a safety protection control system for a laminator hot oil oven.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a be applied to safety protection control system of laminator hot oil stove can get rid of the latent security threat of hot oil stove, avoids improving staff's factor of safety because of the potential safety hazard that the operation arouses when improper.
In order to achieve the above object, the utility model provides a following scheme:
a safety protection control system applied to a laminator hot oil furnace comprises: the hot oil furnace monitoring module is arranged on the hot oil furnace, the laminator monitoring module is arranged on the laminator, and the hot oil furnace, the hot oil furnace monitoring module and the laminator monitoring module are all electrically connected with the electronic control module;
the hot oil furnace monitoring module comprises a liquid level sensor, a pressure sensor, a furnace internal temperature sensor, an oil furnace oil outlet temperature sensor and an oil furnace oil return temperature sensor, the pressure sensor, the liquid level sensor and the furnace internal temperature sensor are arranged in the hot oil furnace and used for monitoring the pressure, the liquid level and the temperature of heat conduction oil in the hot oil furnace, the oil furnace oil outlet temperature sensor is arranged at an outlet of the hot oil furnace, the oil furnace oil return temperature sensor is arranged at an oil return port of the hot oil furnace, and the liquid level sensor, the furnace internal temperature sensor, the pressure sensor, the oil furnace oil outlet temperature sensor and the oil furnace oil return temperature sensor are electrically connected with the electric control module;
the laminator monitoring module is a heating plate temperature sensor, the heating plate of the laminator is provided with the heating plate temperature sensor, and the heating plate temperature sensor is electrically connected with the electronic control module.
Optionally, the electric control module comprises an electric control cabinet, a PLC (programmable logic controller), an alarm device and a man-machine interaction display screen, the PLC, the alarm device and the man-machine interaction display screen are arranged inside the electric control cabinet, the liquid level sensor, the pressure sensor, the furnace internal temperature sensor, the oil furnace oil outlet temperature sensor, the oil furnace oil return temperature sensor and the heating plate temperature sensor are connected with the PLC through buses, and the alarm device, the man-machine interaction display screen and the heater of the hot oil furnace are electrically connected with the PLC.
Optionally, still be provided with motor protection device and emergency power supply in the automatically controlled cabinet, motor protection device electric connection the PLC controller, emergency power supply is used for supplying power for each module when having a power failure.
Optionally, the safety protection control system is further provided with a redundant temperature controller, the redundant temperature controller is arranged inside the electric control cabinet, the furnace temperature sensor and the heater of the hot oil furnace are both electrically connected to the redundant temperature controller, and the redundant temperature controller is used for monitoring the temperature in the furnace and cutting off the heating of the heater when the PLC controller fails.
According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect: the utility model provides a be applied to laminator hot oil stove's safety protection control system, this system is provided with hot oil stove monitoring module, can monitor the liquid level of hot oil stove, pressure, the interior temperature of stove, oil-out temperature and the temperature of oil return opening, this system is provided with laminator monitoring module, can monitor the temperature of the hot plate of laminator, send monitoring information to electric control module, electric control module judges whether there is potential security threat according to monitoring information, and then regulates and control hot oil stove; the system is also provided with an alarm device and a man-machine interaction display screen, the alarm device alarms to remind workers of safety threats, and man-machine interaction is realized through the man-machine interaction display screen; the system is also provided with a motor protection device and an emergency power supply, the motor is protected by the motor protection device, and power is supplied by the emergency power supply when power is off, so that safety accidents caused by power failure are prevented; the system is also provided with a redundant temperature controller, the temperature in the oil furnace is collected when the PLC controller fails through the redundant temperature controller, if the temperature is too hot, the heater is cut off in time to heat, safety accidents are prevented, and the safety factor of workers is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a safety protection control system applied to a laminator hot oil furnace according to an embodiment of the present invention;
fig. 2 is a structural block diagram of a safety protection control system applied to a laminator hot oil furnace according to an embodiment of the present invention.
Reference numerals are as follows: 1. a heater; 2. a PLC controller; 3. an alarm device; 4. a human-computer interaction display; 5. an oil pump; 6. a redundant temperature controller; 7. a liquid level sensor; 8. a pressure sensor; 9. a furnace temperature sensor; 10. an oil furnace oil outlet temperature sensor; 11. a heater plate temperature sensor; 12. a motor protection device; 13. an emergency power supply; 14. an oil furnace return oil temperature sensor; 15. a hot oil furnace; 16. laminating machine; 17. an electric control cabinet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a be applied to safety protection control system of laminator hot oil stove can get rid of the latent security threat of hot oil stove, avoids improving staff's factor of safety because of the potential safety hazard that the operation arouses when improper.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a safety protection control system for laminator hot oil furnace, including: the hot oil furnace monitoring system comprises a laminating machine 16, a hot oil furnace 15, a hot oil furnace monitoring module, a laminating machine monitoring module and an electric control module, wherein the laminating machine 16 is circularly connected with the hot oil furnace 15 through an oil pump 5, the hot oil furnace 15 is provided with the hot oil furnace monitoring module, the laminating machine 16 is provided with the laminating machine monitoring module, and the hot oil furnace 15, the hot oil furnace monitoring module and the laminating machine monitoring module are all electrically connected with the electric control module;
the hot oil furnace monitoring module comprises a liquid level sensor 7, a pressure sensor 8, a furnace internal temperature sensor 9, an oil furnace oil outlet temperature sensor 10 and an oil furnace oil return temperature sensor 14, the pressure sensor 8, the furnace internal temperature sensor 9 and the liquid level sensor 7 are arranged in the hot oil furnace 15 and used for monitoring the pressure, the temperature and the liquid level of heat transfer oil in the hot oil furnace, the oil furnace oil outlet temperature sensor 14 is arranged at an outlet of the hot oil furnace 15, the oil furnace oil return temperature sensor 14 is arranged at an oil return port of the hot oil furnace 15, and the furnace internal temperature sensor 9, the liquid level sensor 7, the pressure sensor 8, the oil furnace oil outlet temperature sensor 10 and the oil furnace oil return temperature sensor 14 are electrically connected with the electric control module;
the laminator monitoring module is heating plate temperature sensor 11, heating plate temperature sensor 11 is arranged on the heating plate of laminator 16, and heating plate temperature sensor 11 is electrically connected with the electronic control module.
The electric control module comprises an electric control cabinet 17, a PLC (programmable logic controller) 2, an alarm device 3 and a human-computer interaction display screen 4, the PLC 2, the alarm device 3 and the human-computer interaction display screen 4 are arranged inside the electric control cabinet 17, the liquid level sensor 7, the pressure sensor 8, the oil furnace oil outlet temperature sensor 10, the furnace temperature sensor 9, the oil furnace oil return temperature sensor 14 and the heating plate temperature sensor 11 are connected with the PLC 2 through buses, and the heaters 1 of the alarm device 3, the human-computer interaction display screen 4 and the hot oil furnace 15 are electrically connected with the PLC 2.
Still be provided with motor protection device 12 and emergency power supply 13 in the automatically controlled cabinet 17, motor protection device 12 electric connection PLC controller 2, emergency power supply 13 is used for supplying power for each module when having a power failure.
The safety protection control system is further provided with a redundant temperature controller 6, the redundant temperature controller 6 is arranged inside the electric control cabinet 17, the furnace temperature sensor 9 and the heater 1 of the hot oil furnace 15 are both electrically connected with the redundant temperature controller 6, and the redundant temperature controller 6 is used for monitoring the temperature in the furnace and cutting off the heating of the heater 1 when the PLC controller 2 fails.
The human-computer interaction display screen 4 comprises a human-computer interaction interface and a logic interface, and is convenient to use.
The utility model discloses a working process does: the PLC is subjected to conventional logic programming in the prior art to realize the following functions, the monitoring information of each sensor is collected in real time, if the monitoring information is abnormal, for example, the liquid level of heat conduction oil is smaller than a preset threshold value, the PLC controls an alarm device to give an alarm, the alarm device can be matched by adopting a light alarm and a voice broadcast module, wherein the voice broadcast module is used for broadcasting specific alarm reasons, for example, when the liquid level of the heat conduction oil is smaller than the preset threshold value, the voice broadcast module broadcasts voice alarm information such as 'oil lack' and the like, wherein the alarm device can be divided into oil lack alarm, oil high pressure alarm, oil low pressure alarm, temperature overrun alarm, limit high temperature alarm, oil furnace motor abnormity alarm, power failure alarm and the like, and the problem can be found at the first time;
the PLC controller can automatically regulate and control each module according to logic programming of the prior art according to an alarm signal, for example, when an oil pump is not started, a heater in a hot oil furnace cannot be started, misoperation of workers can be prevented, when the oil pressure or liquid level of heat conduction oil is abnormal and the temperature of the heat conduction oil is abnormal, the PLC controller controls the heater of the hot oil furnace to be turned off, in addition, an oil pump temperature sensor can be arranged at the oil pump and is arranged except for the condition of emergency pump stop, the oil pump can be turned off only when the temperature is lower than 100 ℃, circulation is stopped, local carbon deposition and scaling of an oil circuit can be prevented, the system is powered off accidentally when running, the system is powered by an emergency power supply, the power supply can be automatically cut off when the temperature of the oil furnace is detected to be lower than 100 ℃, in addition, the PLC controller can automatically limit the temperature rising speed to be too fast after the system is used for the first time or is stopped for a long time, and preferably control the temperature rising speed to be within 50 ℃/h;
the PLC controller can count the running time, when the running time reaches the preset maintenance time, the alarm device can give an alarm, and the maintenance time is prompted on the man-machine interaction display screen;
when the PLC controller breaks down, the temperature in the oil collecting furnace can be collected through the redundant temperature controller, and when the detected temperature exceeds a preset value, the heater can be controlled to be closed in time, so that safety accidents are prevented.
The utility model provides a be applied to laminator hot oil stove's safety protection control system, this system is provided with hot oil stove monitoring module, can monitor the liquid level of hot oil stove, pressure, the interior temperature of stove, oil-out temperature and the temperature of oil return opening, this system is provided with laminator monitoring module, can monitor the temperature of the hot plate of laminator, send monitoring information to electric control module, electric control module judges whether there is potential security threat according to monitoring information, and then regulates and control hot oil stove; the system is also provided with an alarm device and a man-machine interaction display screen, the alarm device alarms to remind workers of safety threats, and man-machine interaction is realized through the man-machine interaction display screen; the system is also provided with a motor protection device and an emergency power supply, the motor is protected by the motor protection device, and power is supplied by the emergency power supply when power is off, so that safety accidents caused by power failure are prevented; the system is also provided with a redundant temperature controller, the temperature in the oil furnace is collected when the PLC controller fails through the redundant temperature controller, if the temperature is too hot, the heater is cut off in time to heat, safety accidents are prevented, and the safety factor of workers is improved.
The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (4)
1. A safety protection control system applied to a laminator hot oil furnace is characterized by comprising: the hot oil furnace monitoring module is arranged on the hot oil furnace, the laminator monitoring module is arranged on the laminator, and the hot oil furnace, the hot oil furnace monitoring module and the laminator monitoring module are all electrically connected with the electronic control module;
the hot oil furnace monitoring module comprises a liquid level sensor, a pressure sensor, a furnace internal temperature sensor, an oil furnace oil outlet temperature sensor and an oil furnace oil return temperature sensor, the pressure sensor, the liquid level sensor and the furnace internal temperature sensor are arranged in the hot oil furnace and used for monitoring the pressure, the liquid level and the temperature of heat conduction oil in the hot oil furnace, the oil furnace oil outlet temperature sensor is arranged at an outlet of the hot oil furnace, the oil furnace oil return temperature sensor is arranged at an oil return port of the hot oil furnace, and the liquid level sensor, the furnace internal temperature sensor, the pressure sensor, the oil furnace oil outlet temperature sensor and the oil furnace oil return temperature sensor are electrically connected with the electric control module;
the laminator monitoring module is a heating plate temperature sensor, the heating plate of the laminator is provided with the heating plate temperature sensor, and the heating plate temperature sensor is electrically connected with the electronic control module.
2. The safety protection control system for the hot oil furnace of the laminating machine as claimed in claim 1, wherein the electric control module comprises an electric control cabinet, a PLC controller, an alarm device and a human-computer interaction display screen, the PLC controller, the alarm device and the human-computer interaction display screen are arranged inside the electric control cabinet, the liquid level sensor, the pressure sensor, the temperature sensor inside the furnace, the temperature sensor for oil outlet of the oil furnace, the temperature sensor for oil return of the oil furnace and the temperature sensor for heating plate of the hot oil furnace are connected with the PLC controller through buses, and the alarm device, the human-computer interaction display screen and the heater of the hot oil furnace are all electrically connected with the PLC controller.
3. The safety protection control system for the laminator oil heater as claimed in claim 2, wherein a motor protection device and an emergency power supply are further disposed in the electric control cabinet, the motor protection device is electrically connected to the PLC controller, and the emergency power supply is used for supplying power to each module when power is cut off.
4. The safety protection control system applied to the laminator hot oil furnace as claimed in claim 3, wherein the safety protection control system is further provided with a redundant temperature controller, the redundant temperature controller is arranged inside the electric control cabinet, the furnace temperature sensor and the heater of the hot oil furnace are both electrically connected with the redundant temperature controller, and the redundant temperature controller is used for monitoring the furnace temperature and cutting off the heating of the heater when the PLC controller fails.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221306051.3U CN217689842U (en) | 2022-05-28 | 2022-05-28 | Safety protection control system applied to laminating machine hot oil furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221306051.3U CN217689842U (en) | 2022-05-28 | 2022-05-28 | Safety protection control system applied to laminating machine hot oil furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217689842U true CN217689842U (en) | 2022-10-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221306051.3U Active CN217689842U (en) | 2022-05-28 | 2022-05-28 | Safety protection control system applied to laminating machine hot oil furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217689842U (en) |
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2022
- 2022-05-28 CN CN202221306051.3U patent/CN217689842U/en active Active
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