CN111765497A - Microwave oven water cooling control system for underground chamber of coal mine - Google Patents
Microwave oven water cooling control system for underground chamber of coal mine Download PDFInfo
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- CN111765497A CN111765497A CN202010639476.5A CN202010639476A CN111765497A CN 111765497 A CN111765497 A CN 111765497A CN 202010639476 A CN202010639476 A CN 202010639476A CN 111765497 A CN111765497 A CN 111765497A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 213
- 238000001816 cooling Methods 0.000 title claims abstract description 95
- 239000003245 coal Substances 0.000 title claims abstract description 26
- 230000017525 heat dissipation Effects 0.000 claims abstract description 46
- 239000007788 liquid Substances 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims description 9
- 239000004519 grease Substances 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 description 12
- 238000005065 mining Methods 0.000 description 10
- 230000001276 controlling effect Effects 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 239000000110 cooling liquid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/642—Cooling of the microwave components and related air circulation systems
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Abstract
A microwave oven water-cooling control system for a coal mine underground chamber is characterized in that a heat dissipation plate is arranged on the inner side of the rear wall of an explosion-proof shell, and positioning holes matched with a water-cooling bar and a square water tank buckle are formed in the heat dissipation plate; the water cooling row is arranged on the back surface of the heat dissipation plate, and the front surface of the water cooling row is tightly attached to the outer side of the rear wall of the oven cavity of the microwave oven; the square water tank is fixed on the heat dissipation plate, a flow sensor is arranged at a water inlet of the square water tank, and a liquid level sensor is arranged outside the square water tank; the water inlet of the water pump is communicated with the water outlet of the square water tank, and the water outlet is communicated with the water inlet of the magnetron water cooling jacket; a temperature sensor is arranged at the upper part of the water cooling jacket of the magnetron; the control device is arranged in the flameproof shell and is communicated with the liquid level sensor, the temperature sensor, the flow sensor and the water pump in a wired mode.
Description
Technical Field
The invention relates to a cooling device of a coal mine underground microwave oven, in particular to a water cooling control system for heat dissipation of a magnetron and an oven cavity of the coal mine underground chamber.
Background
The microwave oven has the problem that the oven cavity and the magnetron heat seriously in the food heating process, particularly, the magnetron heats seriously in the working process, the heat generated by the shaft core needs to be dissipated timely, otherwise, the magnetron is burnt by high temperature to cause safety accidents, and therefore, the microwave oven needs to have good heat dissipation conditions. The working environment of industrial and domestic microwave ovens allows the cooling of the magnetron by forced air cooling or water cooling.
The underground coal mine chamber has special environment and contains harmful gases such as coal dust, gas and the like in the air, so the mining microwave oven has to realize the microwave heating function in the mining explosion-proof shell. Because the inner space of the flameproof shell is closed and narrow, a heat dissipation air duct is lacked, good ventilation conditions are not provided, and the magnetron cannot be effectively cooled by adopting the traditional forced air cooling or water cooling heat dissipation mode, a cooling mode suitable for the magnetron of the mining microwave oven is needed.
Patent application No. CN201920750983.9 discloses a "magnetron water cooling device". The device
The device is composed of a heat dissipation plate, a water circulation channel, a heat dissipation fin, a controller, an electric contact pressure gauge and a fan, wherein the water pipe pressure gauge is used for monitoring whether the leakage phenomenon exists in a cooling water pipe, however, the device is only suitable for microwave heating equipment in a ground environment and cannot be used for cooling and heat dissipation of a magnetron of a microwave oven in an underground coal mine chamber.
The patent with application number CN201520582612.4 discloses "a multiple magnetron liquid cooling system".
On the basis of a traditional water-cooling and air-cooling combined radiating system, the patent provides that the speed of a water pump and a fan is regulated in a grading manner based on the temperature variation of a magnetron, and the automatic control of the radiating process is realized. The system has the advantages of complex structure, strict requirement on heat dissipation conditions, complex control method and low efficiency, and is not suitable for the magnetron cooling control of the mining microwave oven.
Disclosure of Invention
The invention provides a wave oven water cooling control system used in a coal mine underground chamber, aiming at solving the problem that a magnetron and a furnace chamber of a microwave oven in the coal mine underground chamber are difficult to radiate heat in a narrow closed space, so that the magnetron and the furnace chamber of the microwave oven in the coal mine underground chamber are effectively cooled in a flameproof shell, the working condition information of a water cooling system is monitored, and the safety and reliability of the water cooling system are improved.
The invention adopts the following technical scheme for solving the problems:
a microwave oven water cooling control system for a coal mine underground chamber comprises a heat dissipation plate, a water cooling drainage, a water channel pipeline, a magnetron water cooling jacket, a square water tank, a water pump, a control device, a liquid level sensor, a flow sensor and a temperature sensor; the method is characterized in that: the heat dissipation plate is arranged on the inner side of the rear wall of the flameproof shell, and positioning holes matched with the water cooling bar and the buckles of the square water tank are formed in the heat dissipation plate; the water cooling row is arranged on the back surface of the heat dissipation plate, the front surface of the water cooling row is tightly attached to the outer side of the rear wall of the oven cavity of the microwave oven, the water inlet of the water cooling row is communicated with the water outlet of the magnetron water cooling jacket through the waterway pipeline, and the water outlet of the water cooling row is communicated with the water inlet of the square water tank through the waterway pipeline; the square water tank is fixed on the heat dissipation plate, the liquid level sensor is arranged outside the square water tank, and the flow sensor is arranged at the water inlet of the square water tank; the water inlet of the water pump is communicated with the water outlet of the square water tank, and the water outlet of the water pump is communicated with the water inlet of the magnetron water cooling jacket; the temperature sensor is arranged on the upper part of the magnetron water cooling jacket; the control device is arranged inside the flameproof shell and connected with the liquid level sensor, the temperature sensor, the flow sensor, the water pump and the magnetron in a wired mode.
Further additional technical solutions are as follows:
a microwave oven water-cooling control system for a coal mine underground chamber is characterized in that: the control device comprises a microcontroller, a power supply module, a display module, a magnetron power supply module, a water pump power supply module, a liquid level sensor interface module, a temperature sensor interface module and a flow sensor interface module; the microcontroller is used for acquiring detection signals of the sensors, sending control instructions and communicating with the display module; the power supply module is used for supplying power to the microcontroller, the liquid level sensor interface module, the temperature sensor interface module, the flow sensor interface module and the display module; the display module is connected with the control device in a wired mode and is used for displaying the temperature of the magnetron, the water level of the water tank and the flow information of the pipeline; the magnetron power supply module is connected with the primary side of the transformer in a wired mode and is used for controlling the on and off of a magnetron power supply circuit; the water pump power supply module is connected with the water pump in a wired mode and used for controlling the start and stop of the water pump; the liquid level sensor interface module is connected with a liquid level sensor outside the square water tank in a wired mode and used for detecting water level information of the square water tank; the temperature sensor interface module is connected with a temperature sensor outside the magnetron in a wired mode and used for detecting temperature information of the magnetron; the flow sensor interface module is connected with a flow sensor at a water inlet of the square water tank in a wired mode and used for detecting water flow information in the water channel pipeline.
A microwave oven water-cooling control system for a coal mine underground chamber is characterized in that: the control device controls the conduction and the disconnection of the magnetron and the water pump in sequence according to the temperature value of the magnetron, and controls the display to display corresponding temperature information and give an alarm; the control device controls the conduction and the disconnection of the magnetron and the water pump in sequence according to the water level value of the square water tank, and controls the display to display corresponding water level information and give an alarm; the control device controls the conduction and the disconnection of the magnetron and the water pump in sequence according to the pipeline flow value of the waterway pipeline, and controls the display to display corresponding flow information and give an alarm.
A microwave oven water-cooling control system for a coal mine underground chamber is characterized in that: the heat dissipation plate, the water cooling bar and the square water tank are made of copper-aluminum composite materials; heat-conducting silicone grease is coated among gaps among the water cooling rows, the heat dissipation plate and the furnace chamber connecting surface; the heat dissipation plate and the rear wall of the flameproof shell are integrated or independently arranged.
A microwave oven water-cooling control system for a coal mine underground chamber is characterized in that: the water cooling rows and the heat dissipation plates are connected in series or in multiple groups.
Compared with the prior art, the technical scheme has the advantages and positive effects that the system is beneficial to transmitting heat carried by cooling water to the whole explosion-proof shell by utilizing the heat dissipation plate by respectively closely attaching the water cooling exhaust and the heat dissipation surface of the square water tank with the rear wall of the furnace chamber and the heat dissipation plate inside the explosion-proof shell, so that the water cooling heat dissipation effect is improved, the use of a heat dissipation fan in a traditional microwave oven water cooling system is thoroughly abandoned, the effective cooling of the magnetron and the furnace chamber in a narrow closed environment is realized, and simultaneously, the working condition parameters such as the liquid level of the water tank, the temperature of the magnetron, the flow rate of a pipeline and the like are monitored in real time by utilizing the corresponding sensors, and the safety and reliability of the water cooling system are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only exemplary, and for those skilled in the art, other drawings for implementing may be derived from the provided drawings without inventive effort.
Fig. 1 is a schematic view of an installation structure of each component of a microwave oven water-cooling control system for a coal mine underground chamber according to an embodiment of the invention.
FIG. 2 is a structural cross-sectional view of the rear wall of a flameproof housing of a microwave oven water-cooling control system for a coal mine underground chamber in an embodiment of the invention.
FIG. 3 is a schematic diagram of a position structure of a heat dissipation plate on the rear wall of a flameproof housing of a microwave oven water-cooling control system for a coal mine underground chamber according to an embodiment of the invention.
Fig. 4 is a circuit structure block diagram of a control device of a microwave oven water-cooling control system for a coal mine underground chamber according to an embodiment of the present invention.
FIG. 5 is a block diagram of a working process of a microwave oven water cooling control system for a coal mine underground chamber according to an embodiment of the present invention.
In the figure: the mining microwave oven comprises a mining microwave oven 1, a magnetron 2, a display 3, a control device 4, a water pipeline 5, an intrinsic safety power supply 6, an explosion-proof shell 7, a positioning hole 8, a furnace chamber 9, a water pump 10, a water cooling drain 11, a water tank 12, a heat dissipation plate 13, a liquid level sensor 14, a flow sensor 15, a temperature sensor 16, a buckle 17, a bolt 18 and heat-conducting silicone grease 19.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to the attached drawings 1-3, the microwave oven water cooling control system for the underground coal mine chamber comprises a display 3, a control device 4, a water pipeline 5, a water pump 10, a water cooling drain 11, a square water tank 12, a heat dissipation plate 13, a liquid level sensor 14, a flow sensor 15 and a temperature sensor 16.
The heat dissipation plate 13 is arranged on the inner side of the rear wall of the flameproof shell, and a positioning hole 8 matched with the water cooling bar 11 and the square water tank 12 in a buckling mode is formed in the heat dissipation plate 13; the back of the water cooling bar 11 is fixed on a heat dissipation plate 13 at the inner side of the flameproof shell through a bolt 18, and the front of the water cooling bar 11 is tightly attached to the rear wall of the microwave oven cavity 9; the water inlet of the water cooling row 11 is connected with the water outlet of the last water cooling row 11 through a waterway pipeline 5, and the water outlet of the water cooling row 11 is connected with the water inlet of the square water tank 12 through the waterway pipeline 5; flow sensors 15 are arranged at the water outlet of the water cooling device 11 and the water inlet of the water tank 12, and the control device 4 monitors the water flow change condition in the water channel pipeline through the flow sensors 15 and transmits the data to the display 3.
The square water tank 12 is fixed on a heat dissipation plate 13 on the rear wall of the flameproof shell through a buckle 17 and a bolt 18; the outside of the square water tank 12 is provided with a liquid level sensor 14, and the control device 4 monitors the liquid level change of the water tank through the liquid level sensor 14 and transmits the data to the display 3.
The control device 4 is connected with the magnetron 2, the display 3, the water pump 10, the liquid level sensor 14, the flow sensor 15 and the temperature sensor 16 in a wired mode;
after cooling water flows out from a water outlet of the water cooling jacket of the magnetron, the heat carried by the cooling water 11 and the square water tank 12 is dissipated to the surrounding environment through the explosion-proof shell of the mining microwave oven, and the cooling water flows back to the water inlet of the water pump again after being treated by the cooling link. In order to improve the heat dissipation effect of the water cooling system, heat-conducting silicone grease 19 is coated in the gap between the connecting surfaces of the water cooling rows 11 and the furnace chamber 9 and the heat dissipation plate 13; the water cooling rows 11 and the heat dissipation plates 12 can be provided with a plurality of serial working according to the heat dissipation requirement; the water cooling bar 11 and the water tank 12 are made of copper-aluminum composite materials with large heat conductivity coefficient, and the volume of cooling liquid in the water tank 12 is not less than 1.5 liters in principle.
Fig. 4 is a circuit structure block diagram of a control device 4 in the water-cooling control system of the mining microwave oven according to the embodiment of the invention, and the circuit structure block diagram comprises a microcontroller, a power supply module, a display module, a liquid level sensor interface module, a flow sensor interface module, a temperature sensor interface module, a magnetron power supply circuit and a water pump power supply circuit.
The interface module of the liquid level sensor is connected with the liquid level sensor 14 in a wired mode and used for monitoring the water level change condition of the square water tank 12. When the water level of the water tank is lower than a set threshold value in the operation process of the equipment, the display displays corresponding information and gives an alarm, and the control device cuts off the power supply circuits of the magnetron and the water pump in sequence.
The flow sensor interface module is connected with the flow sensor 15 in a wired mode and used for monitoring the change condition of the water flow in the waterway pipeline 5; when the temperature of the magnetron is higher than a set safety threshold, the display displays corresponding information and gives an alarm, the control device firstly cuts off the power supply circuit of the magnetron, and when the temperature of the magnetron is reduced to the set threshold, the control device automatically closes the power supply circuit of the magnetron again to continue to execute a heating task; after the equipment completes the heating task, the control device firstly cuts off the magnetron power supply circuit, and when the temperature of the magnetron is reduced to a set threshold value, the control device then cuts off the water pump power supply circuit.
The temperature sensor interface module is connected with the temperature sensor 16 in a wired mode and used for monitoring the temperature of the magnetron 2; when the water flow value is lower than the set threshold value, the display displays corresponding information and gives an alarm, and the control device cuts off the power supply circuits of the magnetron and the water pump in sequence.
The magnetron power supply circuit is used for controlling the on and off of the magnetron; the water pump power supply circuit is used for controlling the start and stop of the water pump.
FIG. 5 is a control flow chart of the control method of the water cooling system of the mining microwave oven in the embodiment of the invention, and the control strategy is as follows: when the mining microwave oven 1 is powered on, the control device 4 executes a self-checking program of the water cooling control system, and displays data such as water tank liquid level, water tank temperature, pipeline flow and the like by using the display 3; after the self-checking work is finished, if the working condition parameters of the water cooling system are abnormal, the display 3 displays corresponding information and gives an alarm, and the control program skips to the end.
When the water cooling system works normally, a corresponding heating task is started, the control device 4 controls the relays in the magnetron power supply circuit and the water pump power supply circuit to be attracted, and the magnetron 2 and the water pump 10 start to work.
In the process of heating food, the equipment can lead to the coolant liquid to appear the loss when long-term operation, when water tank 12 liquid level is less than the settlement threshold value, controlling means 4 controls display 3 scintillation earlier and shows the liquid level information, then cuts off the power supply circuit of magnetron 2, stops the operation of water pump 10 again when magnetron 2 temperature drops to the settlement threshold value, finishes whole heating process and suggestion operating personnel and mends liquid work.
When the flow sensor 15 detects that the water flow value in the water channel 5 is abnormal, the control device 4 firstly controls the display 3 to flicker and display corresponding information, then cuts off the power supply circuit of the magnetron 2, stops the operation of the water pump 10 when the temperature of the magnetron 2 is reduced to a set threshold value, ends the whole heating process and prompts an operator to carry out maintenance work.
When the equipment works for a long time, the temperature of the cooling liquid can be close to the boiling point of the equipment and the boiling phenomenon occurs, so that the effect of a water cooling system is poor, at the moment, the control device 4 firstly controls the display 3 to flicker and display corresponding information, then the power supply circuit of the magnetron 2 is cut off, and the heating process is suspended; when the temperature of the cooling liquid is reduced to a set threshold value, the control device 4 automatically controls the relay of the magnetron power supply circuit to be closed again, and the heating task is continuously executed; after the whole heating task is finished, the control device 4 firstly cuts off the power supply circuit of the magnetron 2, and after the temperature of the magnetron is reduced to a set threshold value, the control device 4 stops the operation of the water pump 10, so that the noise and vibration generated when the water cooling system works are reduced.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention; in this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example, and the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications or improvements may be made thereto without departing from the spirit of the invention.
Claims (5)
1. A microwave oven water cooling control system for a coal mine underground chamber comprises a heat dissipation plate, a water cooling drainage, a water channel pipeline, a magnetron water cooling jacket, a square water tank, a water pump, a control device, a liquid level sensor, a flow sensor and a temperature sensor; the method is characterized in that: the heat dissipation plate is arranged on the inner side of the rear wall of the flameproof shell, and positioning holes matched with the water cooling bar and the buckles of the square water tank are formed in the heat dissipation plate; the water cooling row is arranged on the back surface of the heat dissipation plate, the front surface of the water cooling row is tightly attached to the outer side of the rear wall of the oven cavity of the microwave oven, the water inlet of the water cooling row is communicated with the water outlet of the magnetron water cooling jacket through the waterway pipeline, and the water outlet of the water cooling row is communicated with the water inlet of the square water tank through the waterway pipeline; the square water tank is fixed on the heat dissipation plate, the liquid level sensor is arranged outside the square water tank, and the flow sensor is arranged at the water inlet of the square water tank; the water inlet of the water pump is communicated with the water outlet of the square water tank, and the water outlet of the water pump is communicated with the water inlet of the magnetron water cooling jacket; the temperature sensor is arranged on the upper part of the magnetron water cooling jacket; the control device is arranged inside the flameproof shell and connected with the liquid level sensor, the temperature sensor, the flow sensor, the water pump and the magnetron in a wired mode.
2. The microwave oven water-cooling control system for the underground coal mine chamber as claimed in claim 1, wherein: the control device comprises a microcontroller, a power supply module, a display module, a magnetron power supply module, a water pump power supply module, a liquid level sensor interface module, a temperature sensor interface module and a flow sensor interface module; the microcontroller is used for acquiring detection signals of the sensors, sending control instructions and communicating with the display module; the power supply module is used for supplying power to the microcontroller, the liquid level sensor interface module, the temperature sensor interface module, the flow sensor interface module and the display module; the display module is connected with the control device in a wired mode and is used for displaying the temperature of the magnetron, the water level of the water tank and the flow information of the pipeline; the magnetron power supply module is connected with the transformer in a wired mode and is used for controlling the on and off of a magnetron power supply circuit; the water pump power supply module is connected with the water pump in a wired mode and used for controlling the start and stop of the water pump; the liquid level sensor interface module is connected with a liquid level sensor outside the square water tank in a wired mode and used for detecting water level information of the square water tank; the temperature sensor interface module is connected with a temperature sensor outside the magnetron water cooling jacket in a wired mode and used for detecting temperature information of the magnetron; the flow sensor interface module is connected with a flow sensor at a water inlet of the square water tank in a wired mode and used for detecting water flow information in the water channel pipeline.
3. The microwave oven water-cooling control system for the underground coal mine chamber as claimed in claim 2, wherein: the control device controls the conduction and the disconnection of the magnetron and the water pump in sequence according to the temperature value of the magnetron, controls the display to display corresponding temperature information, and displays alarm information when the temperature of the magnetron is too high; the control device controls the conduction and the disconnection of the magnetron and the water pump in sequence according to the water level value of the square water tank, controls the display to display corresponding water level information, and displays alarm information when the water level of the square water tank is too low; the control device controls the conduction and the disconnection of the magnetron and the water pump in sequence according to the pipeline flow value of the water pipeline, controls the display to display corresponding flow information, and displays alarm information when the pipeline flow value is too low.
4. The microwave oven water-cooling control system for the underground coal mine chamber as claimed in claim 1, wherein: the heat dissipation plate, the water cooling bar and the square water tank are made of copper-aluminum composite materials; heat-conducting silicone grease is coated among gaps among the water cooling rows, the heat dissipation plate and the furnace chamber connecting surface; the heat dissipation plate and the rear wall of the flameproof shell are integrated or independently arranged.
5. The microwave oven water-cooling control system for the underground coal mine chamber as claimed in claim 1, wherein: the water cooling rows and the heat dissipation plates are connected in series or in multiple groups.
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| CN202010639476.5A CN111765497A (en) | 2020-07-06 | 2020-07-06 | Microwave oven water cooling control system for underground chamber of coal mine |
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| CN202010639476.5A CN111765497A (en) | 2020-07-06 | 2020-07-06 | Microwave oven water cooling control system for underground chamber of coal mine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117116025A (en) * | 2023-10-25 | 2023-11-24 | 徐州中矿云火信息技术有限公司 | Mining water level abnormality early warning system and method |
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|---|---|---|---|---|
| CN117116025A (en) * | 2023-10-25 | 2023-11-24 | 徐州中矿云火信息技术有限公司 | Mining water level abnormality early warning system and method |
| CN117116025B (en) * | 2023-10-25 | 2024-01-09 | 徐州中矿云火信息技术有限公司 | Mining water level abnormality early warning system and method |
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