A two-way emergency stop switch for mining and control method thereof

Abstract

The present invention provides a two-way emergency stop switch for mining and a control method thereof. By acquiring the surface temperature of a target power supply cable and then controlling the operating state of a motor (15) according to the surface temperature of the target power supply cable, the present invention realizes monitoring of the surface temperature of the target power supply cable. When the surface temperature of the target power supply cable is abnormal, the circuit emergency stop function of the two-way emergency stop switch for mining is automatically triggered without manual triggering, which greatly shortens the triggering time of the circuit emergency stop function of the two-way emergency stop switch for mining, and greatly improves the safety, reliability, intelligence and stability of the two-way emergency stop switch for mining. The two-way emergency stop switch for mining provided by the present application has a rapid self-checking function, so that users can quickly test whether the two-way emergency stop switch for mining is working, thereby reducing the safety hazard caused by the heating of a heating plate causing a high temperature, and if a long temperature natural drop time is required, the safety of underground production safety is greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of design of a two-way emergency stop switch for a mine, and in particular to a two-way emergency stop switch for a mine and a control method thereof. Background Art

[0002] The emergency stop switch is also called the "emergency stop switch". When an emergency occurs, the operator can quickly press this switch to achieve protection. The principle of protection is to cut off the power line or other lines through the emergency stop switch to quickly stop the faulty equipment. In industrial safety, it is required that all machines whose transmission parts will directly or indirectly cause harm to the human body in abnormal situations must be protected, and the emergency stop switch is one of them. Therefore, when designing some machines with transmission parts, it is necessary to add an emergency stop switch, and it must be set on the surface of the machine where personnel can easily press it, and there must be no obstructions. In underground operations in coal mines and other mines, due to the harsh environment, mechanical equipment is more likely to fail. If the faulty equipment is not stopped in time and the situation is allowed to develop, it will cause a tragedy of mine destruction and death. In current mines, control pipelines are generally laid along the mine where the equipment is located, and a group of emergency stop switches are set at a certain distance in the pipeline, so that when equipment at any position fails, the nearest emergency stop switch can be pressed to stop the faulty equipment or even the entire group of equipment. Even so, it still cannot ensure that the fault duration is short enough. When the fault finder finds the fault and is far away from the emergency stop switches on both sides, he needs to run to one of the emergency stop switches, which often delays the best time to stop the machine. Therefore, two-way emergency stop switches are generally used at present, and ropes or cables are connected between the switches. When a fault is found and the machine needs to be stopped for processing, the operator only needs to pull the rope or cable closest to it to achieve emergency stop, which effectively ensures the timeliness of fault shutdown. However, at this time, it is still necessary to manually pull the rope or cable, and it takes a certain amount of time for people to find the rope or cable first. In addition, it is often not timely enough to trigger the emergency stop switch manually, because people cannot timely detect the abnormal temperature changes of the power supply cable during the operation of the equipment, and cannot timely trigger the emergency stop function of the switch. The temperature sensor needs to be self-checked before use. The existing conventional intrinsically safe temperature sensor for mining has a disadvantage: when the self-check function of the temperature sensor is normal, after the heating of the heating plate is completed, the temperature needs to be naturally cooled down to below the threshold so that the temperature sensor enters a normal working state. The temperature drop time is relatively long. Especially in coal mine production, the heating of the heating plate will cause a high temperature. If a longer temperature drop time is required, it is not conducive to the production safety underground, and there is a great safety hazard. The existing technology lacks an effective technical solution to solve the above technical problems.

[0003] Therefore, the prior art needs to be further developed. Summary of the invention

[0004] The purpose of the present invention is to overcome the above technical deficiencies and provide a mining bidirectional emergency stop switch and a control method thereof to solve the problems existing in the prior art.

[0005] To achieve the above technical purpose, according to a first aspect of the present invention, the present invention provides a two-way emergency stop switch for mining, the two-way emergency stop switch for mining comprising: an emergency stop switch body, a first switch pull wire and a second switch pull wire are respectively arranged inside the emergency stop switch body and extend from both sides of the emergency stop switch body to the outside of the emergency stop switch body respectively, one end of the second switch pull wire is fixedly connected to the pull wire ring, characterized in that one end of the first switch pull wire is fixedly connected to an automatic wire pulling device, the automatic wire pulling device comprises a control module, a motor and a temperature detection device, the temperature detection device is communicatively connected to the control module for obtaining the surface temperature of a target power supply cable, the control module is control-connected to the motor for controlling the running state of the motor according to the surface temperature of the target power supply cable, the output end of the motor is fixedly connected to a first screw, the outer side of the first screw is rotatably connected to a first screw sleeve, the outer side of the first screw sleeve is fixedly connected to a sleeve, the surface of the sleeve is fixedly connected to a gasket, and one end of the first switch pull wire is fixedly connected to the gasket.

[0006] Specifically, the temperature detection device includes a temperature detection probe, a heating plate, a cooling plate, and a stainless steel tube. The heating plate and the cooling plate are respectively in contact with the temperature detection probe and are jointly potted in the middle of the stainless steel tube through a thermally conductive organic silicone electronic potting glue.

[0007] Specifically, the control module also includes a control board, a relay A, a VCC terminal, a 12V positive terminal and a GND terminal, a relay B and a test button, the 12V positive terminal is sequentially connected to the relay B, the test button, the first normally closed point of the relay A, and the GND terminal to form an electrical circuit; the first normally open point of the relay B and the test button are connected in parallel; the VCC terminal is sequentially connected to the second normally open point of the relay B, the heating plate, and the GND terminal to form an electrical circuit, and the VCC terminal is also sequentially connected to the cooling plate, the first normally open point of the relay A, and the GND terminal to form an electrical circuit.

[0008] Specifically, the control board is provided with a control chip, and the model of the control chip is 89S51.

[0009] Specifically, the control board is further provided with a first button, which is electrically connected to the control chip and is used to increase the temperature threshold of the control board.

[0010] Specifically, the control board is further provided with a second button, which is electrically connected to the control chip and is used to reduce the temperature threshold of the control board.

[0011] According to a second aspect of the present invention, a control method for a two-way emergency stop switch for a mine is provided, comprising: using any one of the two-way emergency stop switches for a mine as described above, the control method for the two-way emergency stop switch for a mine comprising:

[0012] S100, obtaining the surface temperature of the target power supply cable;

[0013] S200, controlling the operating state of the motor according to the temperature of the surface of the target power supply cable, and then controlling whether the gasket pulls the first switch wire.

[0014] Specifically, obtaining the temperature of the surface of the target power supply cable includes:

[0015] The stainless steel tube is fixedly installed on the surface of the target power supply cable, and the temperature of the surface of the target power supply cable is obtained by using the temperature detection probe in the stainless steel tube.

[0016] Specifically, controlling the running state of the motor according to the temperature of the surface of the target power supply cable, and then controlling whether the gasket pulls the first switch wire, includes:

[0017] Determine whether the temperature of the surface of the target power supply cable is greater than or equal to a first preset threshold, and determine whether to control the motor to reverse for a first preset time based on the determination result, that is, determine whether to make the gasket move away from the emergency stop switch body.

[0018] Specifically, the step of determining whether the temperature of the surface of the target power supply cable is greater than or equal to a first preset threshold value, and determining whether to control the motor to reverse for a first preset time according to the determination result, that is, determining whether to make the gasket move in a direction away from the emergency stop switch body, includes:

[0019] If the temperature of the surface of the target power supply cable is greater than or equal to the first preset threshold value, the motor is controlled to reverse for the first preset time, so that the gasket moves away from the emergency stop switch body, thereby pulling the first switch pull wire to move away from the emergency stop switch body, triggering the pull wire emergency stop function of the mine-used two-way emergency stop switch;

[0020] If the temperature of the surface of the target power supply cable is lower than the first preset threshold value, the motor will not be controlled to reverse for the first preset time, that is, the gasket will not move away from the emergency stop switch body, and the first switch pull wire will not be pulled away from the emergency stop switch body, and the pull wire emergency stop function of the mine-used two-way emergency stop switch will not be triggered.

[0021] Beneficial effects:

[0022] The present invention can monitor the surface temperature of the target power supply cable. When the temperature of the surface of the target power supply cable is abnormal, the circuit emergency stop function of the mine-used two-way emergency stop switch is automatically triggered without manual triggering, which greatly shortens the triggering time of the circuit emergency stop function of the mine-used two-way emergency stop switch, and greatly improves the safety, reliability, intelligence and stability of the mine-used two-way emergency stop switch. The mine-used two-way emergency stop switch provided by the present application has a fast self-test function, so that users can quickly test whether the mine-used two-way emergency stop switch is working, thereby reducing the safety hazards caused by high temperatures caused by heating of the heating plate, and if a longer temperature natural drop time is required, the safety of underground production safety is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the mining two-way emergency stop switch provided by the present invention;

[0024] Figure 2 It is a schematic diagram of the circuit connection principle of the control module provided by the present invention;

[0025] Figure 3 is a schematic diagram of the internal structure of the stainless steel tube provided by the present invention;

[0026] Figure 4 The present invention is a flowchart of a control method for a mining bidirectional emergency stop switch. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the technical solution of the present invention, the technical solution of the present invention is clearly and completely described below in conjunction with the accompanying drawings of the present invention. Based on the embodiments in this application, other similar embodiments obtained by ordinary technicians in this field without making creative work should all fall within the scope of protection of this application. In addition, the directional words mentioned in the following embodiments, such as "up", "down", "left", "right", etc., are only reference to the directions of the accompanying drawings. Therefore, the directional words used are used to illustrate rather than limit the invention.

[0028] The present invention will be further described below in conjunction with the accompanying drawings and preferred embodiments.

[0029] See also Figures 1 to 3The present invention provides a two-way emergency stop switch for mining, the two-way emergency stop switch for mining comprises: an emergency stop switch body 9, a first switch pull wire 4 and a second switch pull wire 6 are respectively arranged inside the emergency stop switch body 9 and extend from both sides of the emergency stop switch body to the outside of the emergency stop switch body 9 respectively, one end of the second switch pull wire 6 is fixedly connected to a pull wire ring 8, characterized in that one end of the first switch pull wire 4 is fixedly connected to an automatic pull wire device, the automatic pull wire device comprises a control module 16, a motor 15 and a temperature detection device, the temperature detection device is communicatively connected to the control module 16, and is used to obtain the surface temperature of a target power supply cable, the control module 16 and the motor 15 are control-connected, and are used to control the running state of the motor 15 according to the surface temperature of the target power supply cable, the output end of the motor 15 is fixedly connected to a first screw 25, the outer side of the first screw 25 is rotatably connected to a first screw sleeve 26, the outer side of the first screw sleeve 26 is fixedly connected to a sleeve 27, the surface of the sleeve 27 is fixedly connected to a gasket 28, and one end of the first switch pull wire 4 is fixedly connected to the gasket 28.

[0030] Specifically, the temperature detection device includes a temperature detection probe 5, a heating plate 1, a cooling plate 7, and a stainless steel tube 3. The heating plate 1 and the cooling plate 7 are respectively in contact with the temperature detection probe 5 and are jointly potted in the middle of the stainless steel tube 3 through a thermally conductive silicone electronic potting glue.

[0031] It is understandable that the patent document with application number CN200910214244.9 discloses a halogen-free flame-retardant thermally conductive silicone electronic potting adhesive and a preparation method thereof. The thermally conductive silicone electronic potting adhesive has excellent thermal conductivity. The present invention uses the thermally conductive silicone electronic potting adhesive to jointly pot the heating plate 1, the cooling plate 7, and the temperature detection probe 5.

[0032] Specifically, the control module 16 also includes a control board, a relay A, a VCC terminal, a 12V positive terminal and a GND terminal, a relay B and a test button 2, the 12V positive terminal is sequentially connected to the relay B, the test button 2, the first normally closed point of the relay A, and the GND terminal to form an electrical circuit; the first normally open point of the relay B and the test button 2 are connected in parallel; the VCC terminal is sequentially connected to the second normally open point of the relay B, the heating plate 1, and the GND terminal to form an electrical circuit, and the VCC terminal is also sequentially connected to the cooling plate 7, the first normally open point of the relay A, and the GND terminal to form an electrical circuit.

[0033] Specifically, the control board is provided with a control chip, and the model of the control chip is 89S51.

[0034] It should be noted here that the temperature detection device provided by the present invention adds a heating plate 1, a cooling plate 7, a relay and a test button 2 on the basis of the traditional temperature detection probe 5. When the test button 2 is pressed, the relay B is energized, and the first normally open point and the second normally open point of the relay B are closed. The closing of the first normally open point of the relay B can make the relay B always energized, and the closing of the second normally open point of the relay B can make the heating plate 1 energized. The heating plate 1 is energized, and the temperature detection probe 5 is heated up. The heating of the temperature detection probe 5 enables the mine-used two-way emergency stop switch to self-check whether it is working, and has a self-checking function. If the mine-used two-way emergency stop switch does not react or move as the temperature detection probe 5 heats up, it means that the mine-used two-way emergency stop switch is faulty, and then it is replaced, thereby eliminating the safety hazard caused by the non-operation of the mine-used two-way emergency stop switch. If the sensor has no faults, when the temperature rises to the high temperature alarm value, the control board outputs an action signal and the first normally closed point of relay A is disconnected, so that relay B is powered off, the second normally open point of relay B is disconnected, the heating plate 1 is powered off, and the heating plate 1 stops heating. At this time, the first normally open point of relay A is closed, and the cooling plate 7 is powered on for cooling, so that the temperature detection probe 5 can be cooled quickly. When the temperature drops to the recovery temperature value, the control board cuts off the action signal, the first normally open point of relay A is disconnected, the first normally closed end of relay A is closed, and the cooling plate 7 stops cooling.

[0035] It can be understood that the two-way emergency stop switch for mining provided by the present invention has a quick self-test function, so that the user can quickly test whether the two-way emergency stop switch for mining is working normally, thereby reducing the safety hazards caused by high temperatures caused by heating of the heating plate, and if a longer temperature natural drop time is required, it is beneficial to underground safe production.

[0036] Specifically, the control board is further provided with a first button, which is electrically connected to the control chip and is used to increase the temperature threshold of the control board.

[0037] Specifically, the control board is further provided with a second button, which is electrically connected to the control chip and is used to reduce the temperature threshold of the control board.

[0038] The above-mentioned setting can realize the convenient setting of the temperature threshold, which greatly improves the availability, convenience and intelligence of the mining two-way emergency stop switch described in the present invention.

[0039] It can be understood that the present invention can monitor the surface temperature of the target power supply cable. When the temperature on the surface of the target power supply cable is abnormal, the circuit emergency stop function of the mine-used two-way emergency stop switch is automatically triggered without manual triggering, which greatly shortens the triggering time of the circuit emergency stop function of the mine-used two-way emergency stop switch, and greatly improves the safety, reliability, intelligence and stability of the mine-used two-way emergency stop switch. The mine-used two-way emergency stop switch provided in the present application has a fast self-test function, so that the user can quickly test whether the mine-used two-way emergency stop switch is working, thereby reducing the safety hazards caused by high temperatures caused by heating of the heating plate, and if a longer temperature natural drop time is required, the safety of underground production safety is greatly improved.

[0040] See also Figure 4 The present invention provides another embodiment, which provides a control method for a two-way emergency stop switch for a mine, and the control method for a two-way emergency stop switch for a mine includes:

[0041] S100: Obtain the surface temperature of a target power supply cable.

[0042] It should be noted that the steps before step S100 include:

[0043] A first preset threshold is preset in the control module 16 .

[0044] The first preset threshold can be set according to actual needs. In the present invention, the first preset threshold is preferably 60 degrees.

[0045] S200 , controlling the operating state of the motor 15 according to the temperature of the surface of the target power supply cable, and further controlling whether the gasket 28 pulls the first switch wire 4 .

[0046] Specifically, obtaining the temperature of the surface of the target power supply cable includes:

[0047] The stainless steel pipe 3 is fixedly mounted on the surface of the target power supply cable, and the temperature of the surface of the target power supply cable is acquired by using the temperature detection probe 5 in the stainless steel pipe.

[0048] It is understandable that the stainless steel tube 3 can be fixedly installed on the surface of the target power supply cable by winding with tape.

[0049] Specifically, the operating state of the motor 15 is controlled according to the temperature of the surface of the target power supply cable, thereby controlling whether the gasket 28 pulls the first switch wire 4, including:

[0050] Determine whether the temperature of the surface of the target power supply cable is greater than or equal to the first preset threshold, and determine whether to control the motor 15 to reverse for the first preset time based on the determination result, that is, determine whether to move the gasket 28 away from the emergency stop switch body 9.

[0051] Specifically, the step of determining whether the temperature of the surface of the target power supply cable is greater than or equal to a first preset threshold value, and determining whether to control the motor 15 to reverse for a first preset time according to the determination result, that is, determining whether to move the gasket 28 in a direction away from the emergency stop switch body 9, includes:

[0052] If the temperature of the surface of the target power supply cable is greater than or equal to the first preset threshold value, the control motor 15 is reversed for the first preset time, so that the gasket 28 moves away from the emergency stop switch body 9, thereby pulling the first switch pull wire 4 away from the emergency stop switch body 9, triggering the pull wire emergency stop function of the mine-used two-way emergency stop switch.

[0053] If the temperature of the surface of the target power supply cable is lower than the first preset threshold value, the motor 15 will not be controlled to reverse for the first preset time, i.e., the gasket 28 will not move away from the emergency stop switch body 9, and the first switch pull wire 4 will not be pulled away from the emergency stop switch body 9, and the pull wire emergency stop function of the mine-used two-way emergency stop switch will not be triggered.

[0054] It can be understood that if the temperature on the surface of the target power supply cable is greater than or equal to the first preset threshold value, it proves that the temperature on the surface of the target power supply cable is abnormal and the emergency stop function of the emergency stop switch needs to be triggered. Otherwise, it proves that the temperature on the surface of the target power supply cable is normal and the emergency stop function of the emergency stop switch does not need to be triggered.

[0055] It can be understood that when the motor 15 reverses, the first screw 25 rotates, and the first screw 25 moves in the direction away from the emergency stop switch body 9, while driving the sleeve 27 to move in the direction away from the emergency stop switch body 9, and then exerts force on the first switch pull wire 4 through the gasket 28, thereby pulling the first switch pull wire 4 to move in the direction away from the emergency stop switch body 9, triggering the pull wire emergency stop function of the mining two-way emergency stop switch. The present invention does not impose specific restrictions on the shape of the gasket 28, as long as it can pull the first switch pull wire 4 to move in the direction away from the emergency stop switch body 9.

[0056] It is understandable that the first switch cable can be fixedly installed on the gasket 28 by gluing.

[0057] It should be noted here that the present invention can monitor the surface temperature of the target power supply cable. When the temperature on the surface of the target power supply cable is abnormal, the circuit emergency stop function of the mine-used two-way emergency stop switch is automatically triggered without manual triggering, which greatly shortens the triggering time of the circuit emergency stop function of the mine-used two-way emergency stop switch, and greatly improves the safety, reliability, intelligence and stability of the mine-used two-way emergency stop switch. The mine-used two-way emergency stop switch provided by the present application has a fast self-test function, so that the user can quickly test whether the mine-used two-way emergency stop switch is working, thereby reducing the safety hazards caused by high temperatures caused by heating of the heating plate, and if a longer temperature natural drop time is required, the safety of underground production safety is greatly improved.

[0058] In a preferred embodiment, the present application further provides an electronic device, the electronic device comprising:

[0059] A memory; and a processor, wherein the memory stores computer-readable instructions, and when the computer-readable instructions are executed by the processor, the control method of the two-way emergency stop switch for mining is implemented. The computer device can be broadly a server, a terminal, or any other electronic device with necessary computing and / or processing capabilities. In one embodiment, the computer device may include a processor, a memory, a network interface, a communication interface, etc. connected via a system bus. The processor of the computer device can be used to provide necessary computing, processing and / or control capabilities. The memory of the computer device may include a non-volatile storage medium and an internal memory. An operating system, a computer program, etc. may be stored in or on the non-volatile storage medium. The internal memory can provide an environment for the operation of the operating system and the computer program in the non-volatile storage medium. The network interface and the communication interface of the computer device can be used to connect and communicate with external devices through a network. When the computer program is executed by the processor, the steps of the method of the present invention are performed.

[0060] The present invention may be implemented as a computer-readable storage medium having a computer program stored thereon, which causes the steps of the method of an embodiment of the present invention to be executed when executed by a processor. In one embodiment, the computer program is distributed on a plurality of computer devices or processors coupled to a network so that the computer program is stored, accessed and executed in a distributed manner by one or more computer devices or processors. A single method step / operation, or two or more method steps / operations, may be performed by a single computer device or processor or by two or more computer devices or processors. One or more method steps / operations may be performed by one or more computer devices or processors, and one or more other method steps / operations may be performed by one or more other computer devices or processors. One or more computer devices or processors may perform a single method step / operation, or perform two or more method steps / operations.

[0061] It will be appreciated by those skilled in the art that the method steps of the present invention may be performed by instructing related hardware such as a computer device or a processor through a computer program, and the computer program may be stored in a non-temporary computer-readable storage medium, which causes the steps of the present invention to be performed when the computer program is executed. Depending on the circumstances, any reference to memory, storage, database, or other media herein may include non-volatile and / or volatile memory. Examples of non-volatile memory include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM), flash memory, magnetic tape, floppy disk, magneto-optical data storage device, optical data storage device, hard disk, solid state disk, etc. Examples of volatile memory include random access memory (RAM), external cache memory, etc.

[0062] The various technical features described above can be combined arbitrarily. Although all possible combinations of these technical features are not described, any combination of these technical features should be considered to be covered by this specification as long as there is no contradiction in such combination.

[0063] The specific implementation of the present invention described above does not constitute a limitation on the protection scope of the present invention. Any other corresponding changes and modifications made based on the technical concept of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A two-way emergency stop switch for mining, comprising: An emergency stop switch body (9), wherein a first switch pull wire (4) and a second switch pull wire (6) are respectively arranged inside the emergency stop switch body (9) and extend from both sides of the emergency stop switch body to the outside of the emergency stop switch body (9), and one end of the second switch pull wire (6) is fixedly connected to the pull wire ring (8), characterized in that one end of the first switch pull wire (4) is fixedly connected to an automatic pull wire device, and the automatic pull wire device comprises a control module (16), a motor (15) and a temperature detection device, and the temperature detection device is communicatively connected to the control module (16) for obtaining The temperature of the surface of the target power supply cable is obtained, and the control module (16) and the motor (15) are control-connected to control the operating state of the motor (15) according to the temperature of the surface of the target power supply cable. The output end of the motor (15) is fixedly connected to a first screw rod (25), the outer side of the first screw rod (25) is rotatably connected to a first screw sleeve (26), the outer side of the first screw sleeve (26) is fixedly connected to a sleeve (27), the surface of the sleeve (27) is fixedly connected to a gasket (28), and one end of the first switch pull wire (4) is fixedly connected to the gasket (28).

2. The two-way emergency stop switch for mining according to claim 1, characterized in that: The temperature detection device comprises a temperature detection probe (5), a heating plate (1), a cooling plate (7), and a stainless steel tube (3); the heating plate (1) and the cooling plate (7) are respectively in contact with the temperature detection probe (5) and are jointly potted in the middle of the stainless steel tube (3) by means of a heat-conductive organic silicon electronic potting adhesive.

3. The two-way emergency stop switch for mining according to claim 2, characterized in that: The control module (16) further comprises a control panel, a relay A, a VCC terminal, a 12V positive terminal and a GND terminal, a relay B and a test button (2); the 12V positive terminal is sequentially connected to the relay B, the test button (2), the first normally closed point of the relay A and the GND terminal to form an electrical circuit; the first normally open point of the relay B and the test button (2) are connected in parallel; The VCC terminal is connected in sequence to the second normally open point of relay B, the heating plate (1), and the GND terminal to form an electrical circuit. The VCC terminal is also connected in sequence to the cooling plate (7), the first normally open point of relay A, and the GND terminal to form an electrical circuit.

4. The two-way emergency stop switch for mining according to claim 3, characterized in that: The control board is provided with a control chip, and the model of the control chip is 89S51.

5. The two-way emergency stop switch for mining according to claim 3, characterized in that: The control board is also provided with a first button, which is electrically connected to the control chip and is used to increase the temperature threshold of the control board.

6. The two-way emergency stop switch for mining according to claim 3, characterized in that: The control board is also provided with a second button, which is electrically connected to the control chip and is used to reduce the temperature threshold of the control board.

7. A control method for a two-way emergency stop switch for a mine, characterized in that: The two-way emergency stop switch for mining according to any one of claims 1 to 6 is adopted, and the control method of the two-way emergency stop switch for mining comprises: S100, obtaining the surface temperature of the target power supply cable; S200, controlling the operating state of the motor (15) according to the temperature of the surface of the target power supply cable, thereby controlling whether the gasket (28) pulls the first switch pull wire (4).

8. The control method of the two-way emergency stop switch for mining according to claim 7, characterized in that: The obtaining the temperature of the surface of the target power supply cable comprises: The stainless steel pipe (3) is fixedly mounted on the surface of the target power supply cable, and the temperature of the surface of the target power supply cable is obtained by using a temperature detection probe (5) in the stainless steel pipe.

9. The control method of a two-way emergency stop switch for mining according to claim 7, characterized in that: The method of controlling the operating state of the motor (15) according to the temperature of the surface of the target power supply cable, and thereby controlling whether the gasket (28) pulls the first switch pull wire (4), comprises: It is determined whether the temperature of the surface of the target power supply cable is greater than or equal to a first preset threshold value, and based on the determination result, it is determined whether to control the motor (15) to reverse for a first preset time, i.e., it is determined whether to cause the gasket (28) to move in a direction away from the emergency stop switch body (9).

10. The control method of a two-way emergency stop switch for a mine according to claim 9, characterized in that: The step of judging whether the temperature of the surface of the target power supply cable is greater than or equal to a first preset threshold value, and judging whether to control the motor (15) to reverse for a first preset time according to the judgment result, i.e. judging whether to make the gasket (28) move in a direction away from the emergency stop switch body (9), comprises: If the temperature of the surface of the target power supply cable is greater than or equal to a first preset threshold value, the motor (15) is controlled to reverse for a first preset time, so that the gasket (28) moves in a direction away from the emergency stop switch body (9), thereby pulling the first switch pull wire (4) to move in a direction away from the emergency stop switch body (9), thereby triggering the pull wire emergency stop function of the mining bidirectional emergency stop switch; If the temperature of the surface of the target power supply cable is less than a first preset threshold value, the motor (15) is not controlled to reverse for a first preset time, i.e., the gasket (28) is not moved in a direction away from the emergency stop switch body (9), and the first switch pull wire (4) is not pulled in a direction away from the emergency stop switch body (9), and the pull wire emergency stop function of the mining bidirectional emergency stop switch is not triggered.

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