Microcomputer error-proof locking device

Abstract

The application relates to a microcomputer anti-misoperation locking device which comprises a locking security box, an overvoltage triggering assembly and an overheating triggering assembly. A sensor triggering circuit board is arranged in a containing cavity of the locking security box, so that the influence of an external high-voltage and high-temperature environment on the sensor can be isolated as much as possible. The overvoltage triggering assembly comprises a driving piece, a winding column and a closing coil. A rotating groove is formed in the sensor triggering circuit board. When the driving piece drives the winding column to drive the closing coil to rotate, the closing coil cuts a magnetic induction line in a magnetic field, and current generated in a closed circuit formed between the closing coil and the winding column connects a circuit in the sensor triggering circuit board. The overheating triggering assembly comprises an electricity receiving sheet, a thermal fuse and a heat conducting plate. One end of the electricity receiving sheet is hingedly connected to the sensor triggering circuit board, and the other end is connected to the thermal fuse. When the heat conducting plate melts the thermal fuse arranged thereon, the other end of the electricity receiving sheet connects the sensor triggering circuit board, so that the temperature in the environment is physically monitored, and the deficiency of the existing microcomputer anti-misoperation locking device is supplemented.

Description

Technical Field

[0001] This application relates to the field of substation safety equipment technology, and in particular to a microcomputer-based anti-misoperation interlocking device. Background Technology

[0002] With the development of safety equipment technologies such as mechanical interlocks, padlocks, mechanical program locks, and electromagnetic program locks, a widely used microcomputer-based anti-misoperation interlocking technology has emerged in power systems. This technology has also become the main development direction of electrical anti-misoperation interlocking. At the same time, the anti-misoperation interlocking device produced by this technology is a mechanical device installed on high-voltage electrical equipment to prevent misoperation by utilizing its own predetermined program interlocking function.

[0003] The microcomputer-based anti-misoperation interlocking device in related technologies refines the interlocking control process to a single step. This involves collecting information through a single sensor, transmitting it to a processing center for processing, and then feeding back the feedback signal to open or close the interlocking structure. However, due to the installation environment of substations, the high-voltage current and surrounding magnetic fields strongly interfere with the sensors. Furthermore, the method of using a processing center to program-control the circuitry on the sensor trigger board is easily affected by changes in ambient voltage and temperature, making it difficult to guarantee stable operation of the microcomputer device and leading to errors in its settings and operation. Summary of the Invention

[0004] Therefore, it is necessary to address the problem that existing microcomputer-based anti-misoperation interlocking devices are easily affected by changes in ambient voltage and temperature, making it difficult to ensure the stable operation of microcomputer equipment. A new microcomputer-based anti-misoperation interlocking device should be provided that can physically monitor the voltage and temperature in the environment and trigger corresponding circuits, thereby reducing the impact of the environment on equipment operation.

[0005] A microcomputer-based anti-misoperation interlocking device includes:

[0006] A locking security box has an internal accommodating cavity, a sensor trigger circuit board is installed inside the accommodating cavity, an opening is provided on one side of the accommodating cavity, a mounting beam is mounted on the opening, and a rotating groove is provided on the sensor trigger circuit board.

[0007] An overvoltage triggering assembly includes a driving element, a winding post, and a closed coil. The driving element is disposed on the side of the mounting beam facing the sensor triggering circuit board. One end of the winding post is connected to the output shaft of the driving element, and the other end passes through the rotating groove and is rotatably connected to the rotating groove. The closed coil is mounted on the winding post, with one end electrically connected to the output shaft of the driving element and the other end electrically connected to the winding post.

[0008] An overheat triggering assembly includes a contact plate, a thermal fuse, and a heat-conducting plate. The thermal fuse is mounted on the sensor triggering circuit board, and the heat-conducting plate is located on the mounting beam with one end abutting against the thermal fuse. One end of the contact plate is hinged to the sensor triggering circuit board, and the other end is connected to the thermal fuse.

[0009] In one embodiment, the overheat triggering component further includes a first power contact post and a second power contact post disposed opposite to each other on the sensor triggering circuit board. The first power contact post and the second power contact post are each provided with a power contact groove adapted to the power contact piece. One end of the power contact piece is hinged to the power contact groove of the first power contact post.

[0010] In one embodiment, the overheat triggering assembly further includes a first mounting post and a second mounting post disposed opposite to each other on the sensor triggering circuit board. The first mounting post and the second mounting post are respectively disposed on both sides of the length of the contact piece. The hot fuse is strung between the first mounting post and the second mounting post so that the hot fuse is strung above the first contact post and the second contact post. The end of the contact piece facing away from the first contact post overlaps the middle of the hot fuse.

[0011] In one embodiment, the overheat triggering component further includes a tension member with pre-tension, one end of which is connected to the contact plate and the other end of which is connected to the sensor triggering circuit board.

[0012] In one embodiment, the winding post includes a coil section and a rotating section. One end of the coil section is connected to the output shaft of the drive member, and the other end is connected to the rotating section. The closed coil is mounted between the coil section and the output shaft of the drive member. The rotating section has a first limiting plate and a second limiting plate with a diameter larger than that of the rotating section at both ends. The rotating groove is adapted to the rotating section, and a positioning arc is provided around the groove wall in the rotating groove so that the rotating section will not come out when rotating in the rotating groove.

[0013] In one embodiment, a plurality of winding slots are spaced apart around the coil section, and the closed coil includes a first coil and a second coil capable of forming a closed loop. The first coil and the second coil are respectively disposed on opposite radial sides of the winding slots at their two ends facing the coil section.

[0014] In one embodiment, wire clamps are arranged opposite each other on the first limiting disk in the radial direction, and conductive sheets are arranged on the rotating section between the first limiting disk and the second limiting disk, and the wire clamps are electrically connected to the conductive sheets respectively.

[0015] In one embodiment, the mounting beam has a mounting groove, the heat-conducting plate passes through the mounting groove, and the end of the heat-conducting plate facing the hot melt wire has a pointed tip, which abuts against the hot melt wire.

[0016] In one embodiment, the inner side of the wall of the lockable security box is provided with a mounting limit post, and the sensor trigger circuit board is provided with a mating hole that fits with the mounting limit post, so that the sensor trigger circuit board is disposed in the lockable security box.

[0017] In one embodiment, a plurality of mounting wings are evenly arranged around the outer edge of the wall of the lockable security box, and the mounting wings are provided with lock holes. The wall of the lockable security box is also provided with a through-hole for wiring.

[0018] The aforementioned microcomputer-based anti-misoperation interlocking device includes an interlocking security box and overvoltage triggering and overheating triggering components housed within the box. The interlocking security box has an internal cavity containing a sensor triggering circuit board. Since the microcomputer-based anti-misoperation interlocking device relies on sensors to collect environmental information when used in key areas such as substations, it is susceptible to malicious program interference attacks. Furthermore, signal transmission and processing are easily affected by high-voltage and high-temperature environments. Placing the sensor triggering circuit board within the interlocking security box maximizes the isolation of the sensor from external high-voltage and high-temperature environments. By incorporating the overvoltage and overheating triggering components, the device effectively controls voltage and temperature fluctuations in the environment. Physical monitoring is performed by setting an opening on one side of the closed security box's accommodating cavity. An installation beam is mounted on the opening to facilitate the installation of overvoltage triggering components and overheat triggering components. The overvoltage triggering component includes a driving element, a winding post, and a closed coil. Since the sensor triggering circuit board has a rotating slot, under a certain resistance, when the driving element drives the winding post to rotate the closed coil, the stronger the magnetic field generated in the environment, the more the closed coil moves in the magnetic field, cutting magnetic field lines. This will generate a current in the closed circuit formed between the closed coil and the winding post. When the current reaches a certain magnitude, it will connect the circuit of the sensor triggering circuit board, avoiding the problem of equipment operation error when a single sensor is interfered with.

[0019] To meet the fire protection needs within substations, an overheating triggering assembly, comprising a contact plate, a hot fuse, and a heat-conducting plate, is installed in the interlocking security box. The hot fuse is mounted on the sensor triggering circuit board, and the heat-conducting plate is mounted on the mounting beam with one end abutting against the hot fuse. One end of the contact plate is hinged to the sensor triggering circuit board, and the other end is connected to the hot fuse. By placing the heat-conducting plate on the mounting beam with one end in contact with the hot fuse, if an abnormal increase in external ambient temperature occurs, the temperature of the heat-conducting plate rises, melting the hot fuse it contacts. The contact plate connected to the hot fuse then electrically connects to the sensor triggering circuit board under the action of gravity, thereby activating the relevant circuits on the sensor triggering circuit board. Mechanical triggering is achieved through external ambient temperature, supplementing the deficiencies of existing microcomputer-based anti-misoperation interlocking devices. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of a microcomputer-based anti-misoperation interlocking device.

[0021] Figure 2 View a is a cross-sectional view of the microcomputer-based anti-misoperation interlocking device.

[0022] Figure 3 View b is a cross-sectional view of the microcomputer-based anti-misoperation interlocking device.

[0023] Figure 4 For microcomputer-based anti-misoperation interlocking devices Figure 3 Enlarged schematic diagram of the structure at point A in the middle.

[0024] Figure 5 View c is a cross-sectional view of a microcomputer-based anti-misoperation interlocking device.

[0025] Figure 6 For microcomputer-based anti-misoperation interlocking devices Figure 5 Enlarged schematic diagram of the structure at point B.

[0026] Reference numerals: 100, Locking security box; 110, Receiving cavity; 120, Opening; 130, Mounting beam; 131, Mounting groove; 140, Mounting limit post; 150, Mounting wing; 160, Wire passage hole; 200, Sensor trigger circuit board; 210, Rotating groove; 211, Positioning arc; 220, Mating hole; 300, Overvoltage trigger assembly; 310, Driving component; 320, Winding post; 321, Coil section; 3211, Winding groove; 322, Rotating section; 3 221. First limiting plate; 3222. Wire clamp; 3223. Second limiting plate; 3224. Conductive sheet; 323. Closed coil; 3231. First coil; 3232. Second coil; 400. Overheat trigger assembly; 410. Connecting piece; 420. Thermofused wire; 430. Heat-conducting plate; 431. Tip; 440. First connecting post; 441. Connecting groove; 450. Second connecting post; 460. First mounting post; 470. Second mounting post; 480. Pulling component. Detailed Implementation

[0027] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0028] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0029] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0030] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0031] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0032] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0033] See Figures 1 to 3 One embodiment of this application provides a microcomputer-based anti-misoperation interlocking device, including an interlocking security box 100, an overvoltage triggering component 300, and an overheat triggering component 400. The interlocking security box 100 has a receiving cavity 110 inside, a sensor triggering circuit board 200 is provided inside the receiving cavity 110, an opening 120 is provided on one side of the receiving cavity 110, an mounting beam 130 is mounted on the opening 120, and a rotating groove 210 is provided on the sensor triggering circuit board 200. The overvoltage trigger assembly 300 includes a drive member 310, a winding post 320, and a closed coil 323. The drive member 310 is disposed on the side of the mounting beam 130 facing the sensor trigger circuit board 200. One end of the winding post 320 is connected to the output shaft of the drive member 310, and the other end passes through the rotating groove 210 and is rotatably connected to the rotating groove 210. The closed coil 323 is mounted on the winding post 320, with one end electrically connected to the output shaft of the drive member 310 and the other end electrically connected to the winding post 320. The overheat trigger assembly 400 includes a contact piece 410, a thermal fuse 420, and a heat-conducting plate 430. The thermal fuse 420 is mounted on the sensor trigger circuit board 200. The heat-conducting plate 430 is disposed on the mounting beam 130 and abuts against the thermal fuse 420 at one end. One end of the contact piece 410 is hinged to the sensor trigger circuit board 200, and the other end is connected to the thermal fuse 420.

[0034] The aforementioned microcomputer-based anti-misoperation interlocking device includes an interlocking security box 100 and an overvoltage trigger component 300 and an overheat trigger component 400 disposed within the interlocking security box 100. The interlocking security box 100 has an internal accommodating cavity 110, inside which a sensor trigger circuit board 200 is disposed. Since the microcomputer-based anti-misoperation interlocking device relies on sensors to collect environmental information when used in key areas such as substations, it is susceptible to malicious program interference attacks. Furthermore, signal transmission and processing are easily affected by high-voltage and high-temperature environments. Placing the sensor trigger circuit board 200 within the interlocking security box 100 maximizes the isolation of the sensor from external high-voltage and high-temperature environments. By setting up the overvoltage trigger component 300 and the overheat trigger component 400, the voltage and temperature in the environment are physically monitored. Specifically, this is achieved through the interlocking... The lock security box 100 has an opening 120 on one side of the accommodating cavity 110. An installation beam 130 is mounted on the opening 120 to facilitate the installation of the overvoltage trigger assembly 300 and the overheat trigger assembly 400. The overvoltage trigger assembly 300 includes a driving component 310, a winding post 320, and a closed coil 323. Since the sensor trigger circuit board 200 has a rotating slot 210, when the driving component 310 drives the winding post 320 to rotate the closed coil 323 under a certain resistance, the stronger the magnetic field generated in the environment, the more the closed coil 323 will cut the magnetic field lines in the magnetic field. This will generate a current in the closed circuit formed between the closed coil 323 and the winding post 320. When the current reaches a certain magnitude, it will connect the circuit of the sensor trigger circuit board 200, thus avoiding the problem of equipment operation error when a single sensor is interfered with.

[0035] To meet the fire protection needs within substations, an overheating trigger assembly 400, comprising a contact plate 410, a hot fuse 420, and a heat-conducting plate 430, is installed in the interlocking security box 100. The hot fuse 420 is mounted on the sensor trigger circuit board 200, and the heat-conducting plate 430 is mounted on the mounting beam 130 with one end abutting against the hot fuse 420. One end of the contact plate 410 is hinged to the sensor trigger circuit board 200, and the other end is connected to the hot fuse 420. By mounting the heat-conducting plate 430 on the mounting beam 130 with one end in contact with the hot fuse 420, if an abnormal increase in external ambient temperature occurs, the temperature of the heat-conducting plate 430 rises, melting the hot fuse 420. The contact plate 410, connected to the hot fuse 420, then becomes electrically connected to the sensor trigger circuit board 200 under the influence of gravity, thereby activating the relevant circuits on the sensor trigger circuit board 200. Mechanical triggering is achieved through external ambient temperature, supplementing the deficiencies of existing microcomputer-based anti-misoperation interlocking devices.

[0036] See Figure 3 and Figure 6In some embodiments, the overheat triggering assembly 400 further includes a first power contact post 440 and a second power contact post 450 disposed opposite to the sensor triggering circuit board 200. Both the first power contact post 440 and the second power contact post 450 are provided with a power contact groove 441 adapted to the power contact piece 410. One end of the power contact piece 410 is hinged to the power contact groove 441 of the first power contact post 440.

[0037] Furthermore, both the first and second terminals 440 and 450 are made of conductive materials to achieve electrical connection with the sensor trigger circuit board 200. The conductive sheet 3224 is configured as a flat cuboid, and the contact grooves 441 are all arranged along the radial direction of the first and second terminals 440 and are adapted to the conductive sheet 3224. Specifically, the narrow end of the conductive sheet 3224 is vertically inserted into the contact groove 441 so that the conductive sheet 3224 can rotate around the conductive groove as an axis.

[0038] See Figure 5 and Figure 6 In some embodiments, the overheat triggering assembly 400 further includes a first mounting post 460 and a second mounting post 470 disposed opposite to the sensor triggering circuit board 200. The first mounting post 460 and the second mounting post 470 are respectively disposed on both sides of the length of the contact piece 410. A hot fuse 420 is provided between the first mounting post 460 and the second mounting post 470 so that the hot fuse 420 is mounted above the first contact post 440 and the second contact post 450. One end of the contact piece 410 away from the first contact post 440 overlaps the middle of the hot fuse 420.

[0039] Furthermore, the first terminal 440 and the second terminal 450 are electrically connected to the control circuit end on the sensor trigger circuit board 200, respectively. By hinged one end of the contact piece 410 to the contact groove 441 of the first terminal 440, it can rotate within a certain angle range around the contact groove 441 of the first terminal 440. Since the end of the contact piece 410 away from the first terminal 440 is connected to the hot fuse 420, when the external ambient temperature rises to a certain level, the heat-conducting plate 430 melts the hot fuse 420, causing the contact piece 410 to fall under the action of gravity and connect the corresponding first terminal 440 and second terminal 450, thereby triggering the control circuit on the sensor trigger circuit board 200, thereby detecting changes in ambient temperature and improving the stability of equipment operation.

[0040] See Figure 1 and Figure 6 In some embodiments, the overheat triggering assembly 400 further includes a tension member 480 with pre-tension, one end of which is connected to the contact piece 410 and the other end of which is connected to the sensor triggering circuit board 200.

[0041] Furthermore, the pulling member 480 is configured as a spring with pre-tension force. Specifically, one end of the pulling member 480 is set at the end of the contact piece 410 near the hot fuse 420, so that the contact piece 410 is connected between the hot fuse 420 and the sensor trigger circuit board 200 to generate traction force. After the contact piece 410 loses the traction effect of the hot fuse 420 by setting the pulling member 480, the pulling member 480 pulls the contact piece to rotate and enter the contact groove 441 set at the top of the second terminal, thereby connecting the two corresponding first contact post 440 and second contact post 450. Mechanical triggering is achieved by cooperating with the external ambient temperature, which makes up for the shortcomings of the existing microcomputer anti-misoperation interlocking device.

[0042] See Figure 4 In some embodiments, the winding post 320 includes a coil section 321 and a rotating section 322. One end of the coil section 321 is connected to the output shaft of the drive member 310, and the other end is connected to the rotating section 322. A closed coil 323 is mounted between the coil section 321 and the output shaft of the drive member 310. The rotating section 322 has a first limiting disk 3221 and a second limiting disk 3223 with a diameter larger than that of the rotating section 322. The rotating groove 210 is adapted to the rotating section 322, and a positioning arc 211 is provided around the groove wall in the rotating groove 210 so that the rotating section 322 will not come out when it rotates in the rotating groove 210.

[0043] Furthermore, to physically monitor the voltage in the environment and reduce the impact of high-voltage environments on equipment operation, a closed coil 323 is provided on the coil section 321. When the driving component 310 drives the coil section 321 to rotate, it can cause the closed coil 323 to cut magnetic field lines. Simultaneously, to form a closed loop between the closed coil 323 and the sensor trigger circuit board 200, the winding post 320 is also provided with a rotating section 322 integrally formed with the coil section 321. A first limiting disk 3221 and a second limiting disk 3223, with diameters larger than the rotating section 322, are respectively provided at both ends of the rotating section 322 to prevent the rotating section 322 from dislodging from the rotating slot 210. This embodiment utilizes the principle that with a constant resistance, a higher voltage results in a higher current, thus generating a stronger magnetic field in the environment. When the closed coil 323 cuts magnetic field lines in the magnetic field, a current is generated in the closed coil 323. When the current reaches a certain magnitude, it connects the rotating section 322, thereby connecting the circuit on the sensor trigger circuit board 200, avoiding the problem of equipment operation errors caused by interference from a single sensor.

[0044] See Figure 2 In some embodiments, the drive unit 310 inside the locking security box 100 is an electric motor. A fan is provided on the output shaft of the drive unit 310 facing the closed coil 323. The fan can rotate with the output shaft to achieve the effect of heat dissipation.

[0045] See Figure 4 In some embodiments, a plurality of winding grooves 3211 are spaced apart around the coil section 321, and the closed coil 323 includes a first coil 3231 and a second coil 3232 capable of forming a closed loop. The two ends of the first coil 3231 and the second coil 3232 facing the coil section 321 are respectively disposed on the radially opposite sides of the winding groove 3211.

[0046] Furthermore, by connecting the two ends of the first coil 3231 and the second coil 3232 to the radially opposite sides of the winding groove 3211, the two ends of the first coil 3231 and the second coil 3232 inserted into the winding groove 3211 with a certain depth are more stable than those directly set on the coil section 321. This strengthens the connection between the closed coil 323 and the coil section 321 and prevents the closed coil 323 from breaking during rotation.

[0047] See Figure 4 In some embodiments, wire clamps 3222 are arranged opposite each other on the first limiting disk 3221 in the radial direction, and conductive sheet 3224 is arranged on the rotating section 322 between the first limiting disk 3221 and the second limiting disk 3223, and the wire clamps 3222 are electrically connected to the conductive sheet 3224 respectively.

[0048] Furthermore, the two opposing wire clamps 3222 are electrically connected to the two conductive plates 3224 respectively. When the first limiting plate 3221 and the second limiting plate 3223 rotate with the rotating section 322, the wire clamps 3222 and the conductive plates 3224 rotate with the rotating section 322, improving the fit between the rotating section 322 and the rotating groove 210 and the stability of the winding post 320. At the same time, during the rotation, the conductive plates 3224 contact the rotating groove 210, thereby electrically connecting with the control circuit of the sensor trigger circuit board 200.

[0049] See Figure 1 and Figure 3 In some embodiments, the mounting beam 130 has a mounting groove 131, the heat-conducting plate 430 passes through the mounting groove 131, and the end of the heat-conducting plate 430 facing the hot melt wire 420 is provided with a tip 431, and the tip 431 abuts against the hot melt wire 420.

[0050] Furthermore, the heat-conducting plate 430 is installed on the mounting beam 130 of the locked security box 100 through the mounting groove 131. Since the material used is more likely to absorb heat, the temperature of the heat-conducting plate 430 is more likely to rise when the ambient temperature rises. The heated heat-conducting plate 430 abuts against the hot fuse 420 through the tip 431, which can melt the hot fuse 420 erected between the first mounting post 460 and the second mounting post 470, so that the contact piece 410 can move freely again, thereby connecting the control circuit of the sensor trigger circuit board 200.

[0051] See Figure 5 In some embodiments, the inner side of the wall of the lockable security box 100 is provided with a mounting limit post 140, and the sensor trigger circuit board 200 is provided with a mating hole 220 that fits with the mounting limit post 140, so that the sensor trigger circuit board 200 is disposed in the lockable security box 100.

[0052] Furthermore, the sensor trigger circuit board 200 is connected to the mating hole 220 via the mounting limit post 140, achieving positioning and installation inside the interlocking security box 100. Meanwhile, to better protect the sensor trigger circuit board 200, a moisture-proof layer is provided inside the interlayer of the interlocking security box 100 wall to avoid the influence of most interference elements in the external environment.

[0053] See Figure 5 In some embodiments, a plurality of mounting wings 150 are evenly arranged around the outer edge of the wall of the locking security box 100, and the mounting wings 150 are provided with lock holes. The wall of the locking security box 100 is also provided with a wire hole 160 that passes through the wall.

[0054] Furthermore, by evenly spaced four mounting wings 150 along the outer edge of the interlocking security box 100, and by using bolts with locking holes in the mounting wings 150 to embed the interlocking security box 100 into the wall, the impact of most interference elements in the external environment on the internal components of the interlocking security box 100 is further reduced. In addition, electrical connection to external circuitry is possible via a through-hole 160 penetrating the box wall.

[0055] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0056] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A microcomputer-based anti-misoperation interlocking device, characterized in that, include: A locking security box has an internal accommodating cavity, a sensor trigger circuit board is installed inside the accommodating cavity, an opening is provided on one side of the accommodating cavity, a mounting beam is mounted on the opening, and a rotating groove is provided on the sensor trigger circuit board. An overvoltage triggering assembly includes a driving element, a winding post, and a closed coil. The driving element is disposed on the side of the mounting beam facing the sensor triggering circuit board. One end of the winding post is connected to the output shaft of the driving element, and the other end passes through the rotating groove and is rotatably connected to the rotating groove. The closed coil is mounted on the winding post, with one end electrically connected to the output shaft of the driving element and the other end electrically connected to the winding post. An overheat triggering assembly includes a contact piece, a hot fuse, and a heat-conducting plate. The hot fuse is mounted on the sensor triggering circuit board, and the heat-conducting plate is located on the mounting beam with one end abutting against the hot fuse. One end of the contact piece is hinged to the sensor triggering circuit board, and the other end is connected to the hot fuse. The overheat triggering component further includes a first and a second contact post disposed opposite to each other on the sensor triggering circuit board. Both the first and second contact posts have contact grooves adapted to the contact piece. One end of the contact piece is hinged to the contact groove of the first contact post. The overheat triggering assembly further includes a first mounting post and a second mounting post disposed opposite to each other on the sensor triggering circuit board. The first mounting post and the second mounting post are respectively disposed on both sides of the length of the contact piece. The hot fuse is strung between the first mounting post and the second mounting post so that the hot fuse is strung above the first contact post and the second contact post. The end of the contact piece facing away from the first contact post overlaps the middle of the hot fuse. The overheat triggering assembly also includes a tension member with pre-tension, one end of which is connected to the contact piece and the other end of which is connected to the sensor triggering circuit board; The winding post includes a coil section and a rotating section. One end of the coil section is connected to the output shaft of the drive unit, and the other end is connected to the rotating section. The closed coil is mounted between the coil section and the output shaft of the drive unit. The rotating section has a first limiting plate and a second limiting plate with a diameter larger than that of the rotating section at both ends. The rotating groove is adapted to the rotating section, and a positioning arc is provided around the groove wall in the rotating groove so that the rotating section will not come out when rotating in the rotating groove. Multiple winding slots are spaced apart around the coil section. The closed coil includes a first coil and a second coil capable of forming a closed loop. The two ends of the first coil and the second coil facing the coil section are respectively disposed on two radially opposite sides of the winding slots. The first limiting plate has wire clamps arranged opposite each other in the radial direction, and the rotating section between the first limiting plate and the second limiting plate has conductive plates, and the wire clamps are electrically connected to the conductive plates respectively.

2. The microcomputer-based anti-misoperation interlocking device according to claim 1, characterized in that, The mounting beam has a mounting groove, the heat-conducting plate passes through the mounting groove, and the end of the heat-conducting plate facing the hot melt wire has a pointed tip, which abuts against the hot melt wire.

3. The microcomputer-based anti-misoperation interlocking device according to claim 1, characterized in that, The inner side of the wall of the lockable security box is provided with a mounting limit post, and the sensor trigger circuit board is provided with a mating hole that fits with the mounting limit post, so that the sensor trigger circuit board is installed in the lockable security box.

4. The microcomputer-based anti-misoperation interlocking device according to claim 1, characterized in that, Multiple mounting wings are evenly arranged around the outer edge of the wall of the lockable security box, and the mounting wings are provided with lock holes. The wall of the lockable security box is also provided with through holes that pass through the wall.

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