Power control box capable of preventing short circuit

Abstract

The invention relates to the technical field of power control equipment, in particular to a short-circuit-preventing power control box which comprises a box body, a monitoring mechanism is installed in the box body, the monitoring mechanism comprises a monitoring box, the monitoring box is fixedly installed at the bottom of an inner cavity of the box body, and a fixing seat is fixedly installed at the top of the monitoring box. A temperature sensor is fixedly installed at the top of the fixing seat, the main wire is fixedly installed in the fixing seat, first connecting wires are fixedly installed at the two ends of the main wire, the circuit switching mechanism is installed at the two ends of an inner cavity of the box body, and the circuit switching mechanism comprises two first supports. Through the arrangement of the monitoring mechanism, the short-circuit condition of the whole circuit can be monitored, once short-circuit hidden dangers occur, an alarm or a signal can be quickly sent out, maintenance personnel can know the short-circuit hidden dangers in time and take measures, and the situation that short-circuit faults further develop into serious electric power accidents is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of power control equipment, in particular to a power control box for preventing short circuit. Background Art

[0002] The control box is suitable for factories, mines, enterprises, shopping malls, hotels, schools, airports, ports, hospitals, high-rise buildings, living quarters and other occasions. It is used for power, lighting distribution and motor control in low-voltage power grid systems with AC 50HZ and rated working voltage of AC 380V. It is suitable for indoor wall-mounted and outdoor floor-mounted distribution equipment. It is also used in power systems with AC 50HZ and voltage below 500V as fire pump control, submersible pump control, fire fan control, fan control, lighting distribution control, etc. The control methods include direct start control, star-delta step-down start control, auto-coupled step-down start control, inverter start control, soft start control and other control methods.

[0003] When a short circuit occurs inside the existing power control box, the circuit will usually be cut off in time to ensure that the situation does not deteriorate further. The entire circuit cannot be monitored internally, which will result in the staff being unable to monitor the aging line in time, ultimately leading to a short circuit. Summary of the invention

[0004] In order to make up for the above deficiencies, the present invention provides a short-circuit-proof power control box that overcomes the above technical problems or at least partially solves the above problems.

[0005] The present invention is achieved in that:

[0006] The present invention provides a short-circuit-proof power control box, comprising a box body, wherein a monitoring mechanism is installed inside the box body, and the monitoring mechanism comprises:

[0007] A monitoring box, wherein the monitoring box is fixedly mounted on the bottom of the inner cavity of the box body, a fixing seat is fixedly mounted on the top of the monitoring box, and a temperature sensor is fixedly mounted on the top of the fixing seat;

[0008] A main conductor, the main conductor is fixedly mounted inside a fixing seat, and first connecting wires are fixedly mounted at both ends of the main conductor;

[0009] A circuit switching mechanism, the circuit switching mechanism is installed at both ends of the inner cavity of the box body, the circuit switching mechanism includes a first support, two first supports are provided, the two first supports are fixedly installed at the bottom of the inner cavity of the box body, and a first threaded cylinder is rotatably installed on the side of the first support, and the first threaded cylinder penetrates to the other side of the first support;

[0010] A short circuit warning mechanism is installed on the side of the monitoring box. The short circuit warning mechanism includes a first gear. Two first gears are provided. The two first gears are rotatably installed on the side of the monitoring box.

[0011] In one embodiment of the present invention, the monitoring mechanism also includes a telescopic cylinder, which is fixedly installed on the top of the inner cavity of the monitoring box, and the telescopic cylinder is connected to the temperature sensor through an electrical signal. A connecting column is fixedly installed on the telescopic end of the telescopic cylinder, and a second tooth plate is fixedly installed on the bottom of the connecting column. A mounting plate is fixedly installed inside the monitoring box, and the mounting plate is slidably connected to the second tooth plate. A first mounting seat is fixedly installed on the bottom of the mounting plate, and two first mounting seats are provided.

[0012] In one embodiment of the present invention, a first pulley is rotatably mounted on the side of the two first mounting seats, a second gear is fixedly mounted on the side of the first pulley, first sliding grooves are opened on both sides of the inner cavity of the monitoring box, a third tooth plate is slidably mounted inside the two first sliding grooves, the third tooth plate is meshed with the second gear, a connecting plate is fixedly mounted on the top of the third tooth plate, and a fourth tooth plate is fixedly mounted on the top of the connecting plate.

[0013] In one embodiment of the present invention, the line switching mechanism also includes a guide plate, which is slidably mounted on the surface of the first connecting line, and a fifth tooth plate is fixedly mounted on the bottom of the guide plate, and a first threaded rod is fixedly mounted on the side of the fifth tooth plate, and the first threaded rod is threadedly connected to the first threaded cylinder, and a connecting rod is fixedly mounted on the surface of the first threaded cylinder, and a plurality of connecting rods are provided, and an arc plate is fixedly mounted on the ends of the plurality of connecting rods, and a second sliding groove is opened on the surface of the arc plate, and the first connecting line is slidably connected to the second sliding groove.

[0014] In one embodiment of the present invention, a third gear is rotatably installed on both sides of the inner cavity of the monitoring box, and the fourth gear plate is meshed with the third gear. A second threaded barrel is rotatably installed on both sides of the inner cavity of the monitoring box, and the second threaded barrel extends to the outside of the monitoring box. A fourth gear is fixedly installed on the surface of the second threaded barrel, and the fourth gear is meshed with the third gear. A second threaded rod is installed on the internal thread of the second threaded barrel, and a push rod is fixedly installed on the end of the second threaded rod, and the push rod is fixedly connected to the guide plate.

[0015] In one embodiment of the present invention, a connecting box is fixedly installed on the bottom of the inner cavity of the box body, and two connecting boxes are provided. Through grooves are opened inside the two connecting boxes, and second mounting seats are fixedly installed on the tops of the two connecting boxes. A fifth gear is rotatably installed inside the second mounting seat, and the fifth gear is meshed with a fifth gear plate. A third threaded rod is slidably installed inside the second mounting seat, and the third threaded rod is threadedly connected to the fifth gear. A vertical plate is fixedly installed on the end of the third threaded rod, and a conductive plate is fixedly installed on the side of the vertical plate. Second connecting wires are fixedly installed on the sides of the two connecting boxes, and the second connecting wires are slidably connected to the second sliding groove, and a spare wire is fixedly installed between the two connecting boxes.

[0016] In one embodiment of the present invention, the short circuit warning mechanism also includes a third support, the third support is fixedly mounted on the bottom of the mounting plate, two third supports are provided, the side portions of the two third supports are rotatably mounted with a sixth gear, the sixth gear is meshed with a second tooth plate, the side portions of the two third supports are rotatably mounted with a second pulley, the second pulley is fixedly connected to the sixth gear, and the second pulley is connected to the first pulley through a belt.

[0017] In one embodiment of the present invention, a rotating shaft is fixedly installed on the side of the second pulley, the rotating shaft passes through the outside of the monitoring box and is rotatably connected to the monitoring box, the end of the rotating shaft is fixedly connected to the first gear, and a third sliding groove is opened on the side of the monitoring box, and the third sliding grooves are provided with two, and the sixth tooth plates are slidably installed inside the two third sliding grooves, and the sixth tooth plates are respectively meshed with the two first gears.

[0018] In one embodiment of the present invention, a vertical rod is fixedly installed on the side of the monitoring box, and two vertical rods are provided. A damping rod is fixedly installed on the sides of the two vertical rods. There are multiple damping rods, and wedge blocks are fixedly installed on the ends of the multiple damping rods. Springs are sleeved on the surfaces of the multiple damping rods, and the springs are provided between the vertical rods and the wedge blocks. A sensing block is fixedly installed on the side of the wedge block, and a sensing plate is fixedly installed on the side of the vertical rod. A fixed rod is fixedly installed on the side of the sixth tooth plate. There are multiple fixed rods, and contact blocks are fixedly installed on the ends of the multiple fixed rods.

[0019] In one embodiment of the present invention, sockets are fixedly installed on both sides of the box, conductive tubes are fixedly installed on both sides of the inner cavity of the box, the conductive tubes are fixedly connected to the first support, an LED lamp is fixedly installed on the front of the box, and multiple LED lamps are provided, and the multiple LED lamps are connected to the left sensor board through electrical signals, a buzzer is fixedly installed on the front of the box, and multiple buzzers are provided, and the multiple buzzers are connected to the right sensor board through electrical signals, a display screen is fixedly installed on the front of the box, and a control button is fixedly installed on the front of the box.

[0020] The invention provides a short-circuit-proof power control box, which has the following beneficial effects:

[0021] 1. Through the setting of monitoring mechanism, the short-circuit situation of the whole circuit can be monitored. Short-circuit monitoring can detect the current situation in the line in real time. Once there is a short-circuit hidden danger, such as aging and damage of line insulation, or internal short circuit of equipment, an alarm or signal can be issued quickly to let maintenance personnel know and take measures in time to avoid the short-circuit fault from further developing into a serious power accident.

[0022] 2. Through the setting of the line switching mechanism, the short-circuited line can be quickly cut off and connected to the backup circuit to avoid power outages, ensure the continuous supply of electricity, and prevent the short-circuit line from further deteriorating, avoiding the insulation skin catching fire due to excessive temperature, which may lead to a fire in the control box.

[0023] 3. Through the setting of short-circuit warning mechanism, short-circuit warning can be carried out for the entire line. Short-circuit warning can detect potential short-circuit hidden dangers before the short-circuit fault actually occurs, such as short-circuit risks caused by line aging, insulation damage, poor contact and other problems. This allows maintenance personnel to intervene in advance and promptly inspect, repair or replace relevant lines or equipment, thereby avoiding the actual occurrence of short-circuit faults. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 It is a schematic diagram of the overall structure provided by an embodiment of the present invention;

[0026] Figure 2 A schematic diagram of the internal structure of a box provided in an embodiment of the present invention;

[0027] Figure 3 A schematic diagram of the internal structure of a monitoring box provided in an embodiment of the present invention;

[0028] Figure 4 A schematic diagram of the structure of a monitoring mechanism provided in an embodiment of the present invention;

[0029] Figure 5 A schematic diagram of the circuit switching mechanism structure provided in an embodiment of the present invention;

[0030] Figure 6 A schematic diagram of the structure of a short-circuit warning mechanism provided in an embodiment of the present invention;

[0031] Figure 7 The embodiments of the present invention provide Figure 4 A schematic diagram of the enlarged structure of the middle part A;

[0032] Figure 8 The embodiments of the present invention provide Figure 4 The enlarged structural diagram of the middle B part;

[0033] Fig. 9 The embodiments of the present invention provide Figure 7 The enlarged structural diagram of the middle C part;

[0034] Fig.10 A schematic diagram of a temperature sensor circuit provided in an embodiment of the present invention.

[0035] In the figure: 1. box; 2. monitoring mechanism; 201. monitoring box; 202. fixing seat; 203. temperature sensor; 204. main guide wire; 205. first connecting wire; 206. telescopic cylinder; 207. display screen; 208. connecting column; 209. second tooth plate; 210. mounting plate; 211. first mounting seat; 212. first pulley; 213. second gear; 214. first sliding groove; 215. third tooth plate; 216. connecting plate; 217. fourth tooth plate; 3. line switching mechanism; 301. first support; 302. first threaded barrel; 303. guide plate; 304. fifth tooth plate; 305. first threaded rod; 306. connecting rod; 307. arc plate; 308. second sliding groove; 309. third gear; 310. second threaded barrel; 311 , fourth gear; 312, second threaded rod; 313, push rod; 314, connection box; 315, through slot; 316, second mounting seat; 317, fifth gear; 318, third threaded rod; 319, vertical plate; 320, conductive plate; 321, second connecting line; 322, spare wire; 4, short circuit warning mechanism; 401, first gear; 402, control button; 403, third support; 404, sixth gear; 405, second pulley; 406, rotating shaft; 407, third sliding slot; 408, sixth tooth plate; 409, vertical rod; 410, damping rod; 411, wedge block; 412, spring; 413, induction block; 414, induction plate; 415, fixing rod; 416, contact block; 5, socket; 6, conductive tube; 7, LED light; 8, buzzer. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] Reference Figure 1-Figure 10The technical solution provides a power control box for preventing short circuit, which specifically includes a box body 1, a monitoring mechanism 2 is installed inside the box body 1, the monitoring mechanism 2 includes a monitoring box 201, a main conductor 204, a line switching mechanism 3 and a short circuit warning mechanism 4, the monitoring box 201 is fixedly installed at the bottom of the inner cavity of the box body 1, a fixing seat 202 is fixedly installed on the top of the monitoring box 201, a temperature sensor 203 is fixedly installed on the top of the fixing seat 202, the main conductor 204 is fixedly installed inside the fixing seat 202, when the main conductor 204 is short-circuited during use, it will generate heat, and the temperature sensor 203 can monitor the generated heat, both ends of the main conductor 204 are fixedly installed with a first connecting line 205, and the line switching mechanism 3 is installed Installed at both ends of the inner cavity of the box body 1, the line switching mechanism 3 includes a first support 301, two first supports 301 are provided, and the two first supports 301 are fixedly installed at the bottom of the inner cavity of the box body 1. The side of the first support 301 is rotatably installed with a first threaded cylinder 302, and the first threaded cylinder 302 penetrates to the other side of the first support 301. The line switching mechanism 3 can replace the entire circuit when the main conductor 204 is completely damaged by melting, so as to ensure the normal operation of the entire circuit. The short-circuit warning mechanism 4 is installed on the side of the monitoring box 201. The short-circuit warning mechanism 4 includes a first gear 401, two first gears 401 are provided, and the two first gears 401 are rotatably installed on the side of the monitoring box 201. The monitoring mechanism 2 also includes a telescopic cylinder 206, which can be extended. The retracting cylinder 206 is fixedly installed on the top of the inner cavity of the monitoring box 201. The telescopic cylinder 206 is connected to the temperature sensor 203 through an electrical signal. The telescopic end of the telescopic cylinder 206 is fixedly installed with a connecting column 208. When the main conductor 204 is short-circuited and heated, the temperature sensor 203 can monitor the temperature change and control the telescopic cylinder 206 through a microcontroller. The bottom of the connecting column 208 is fixedly installed with a second tooth plate 209. The telescopic cylinder 206 can drive the second tooth plate 209 to move downward. The interior of the monitoring box 201 is fixedly installed with a mounting plate 210, and the mounting plate 210 is slidably connected to the second tooth plate 209. The bottom of the mounting plate 210 is fixedly installed with a first mounting seat 211, and the first mounting seat 211 is provided with two, The sides of the two first mounting seats 211 are both rotatably mounted with first pulleys 212, and the sides of the first pulleys 212 are fixedly mounted with second gears 213. The inner cavity of the monitoring box 201 is provided with first sliding grooves 214 on both sides, and the insides of the two first sliding grooves 214 are both slidably mounted with third tooth plates 215, which mesh with the second gears 213. A connecting plate 216 is fixedly mounted on the top of the third tooth plate 215, and a fourth tooth plate 217 is fixedly mounted on the top of the connecting plate 216. When the first pulley 212 rotates, the rotating first pulley 212 can drive the second gear 213 to rotate, and the rotation of the second gear 213 can make the third tooth plate 215 slide upward inside the first sliding groove 214.The upward sliding of the third tooth plate 215 can drive the connecting plate 216 and the fourth tooth plate 217 to move upward. The short-circuit warning mechanism 4 can monitor the short circuit situation inside the circuit through the monitoring mechanism 2, and can make appropriate reminders according to the specific situation inside the circuit. The temperature sensor 203 sends the detected temperature value to the microcontroller, and the microcontroller judges the temperature value. When the temperature value detected by the temperature sensor 203 is greater than the set threshold, the microcontroller controls the telescopic cylinder 206 to start the telescopic movement, so that the telescopic cylinder 206 drives the second tooth plate 209 to move downward. The temperature sensor 203 continues to detect the temperature of the main conductor 204. When it is detected that the temperature is at the next After reaching the threshold, the microcontroller can continue to control the telescopic cylinder 206 to perform telescopic movement, so that the second tooth plate 209 continues to move downward. In this embodiment, the microcontroller can be implemented using a single-chip microcomputer, such as a single-chip microcomputer of the STM32 series. The temperature sensor 203 can be implemented using existing hardware components, such as a PT100 sensor. The temperature sensor 203 converts the detected temperature into a voltage analog quantity, and the temperature sensor 203 is electrically connected to the A / D conversion input pin of the single-chip microcomputer. The single-chip microcomputer is solidified with an existing numerical judgment program for single-chip microcomputers, and the numerical judgment program judges the size of the detected temperature value. The single-chip microcomputer controls the work of the telescopic cylinder 206 according to the judgment result, which belongs to the prior art.

[0038] Reference Figure 1-Figure 10The present embodiment also proposes that the line switching mechanism 3 further includes a guide plate 303, the guide plate 303 is slidably mounted on the surface of the first connecting line 205, a fifth tooth plate 304 is fixedly mounted on the bottom of the guide plate 303, a first threaded rod 305 is fixedly mounted on the side of the fifth tooth plate 304, the first threaded rod 305 is threadedly connected to the first threaded barrel 302, when the first threaded rod 305 moves, it can drive the first threaded barrel 302 to rotate, a connecting rod 306 is fixedly mounted on the surface of the first threaded barrel 302, a plurality of connecting rods 306 are provided, and arc plates 307 are fixedly mounted on the ends of the plurality of connecting rods 306, the current signal enters the arc plate 307 through the main conductor 204 and the first connecting line 205, and when the first threaded barrel 302 is When the main conductor 204 is short-circuited, the arc plate 307 rotates so that the insulating plate contacts the first connecting wire 205. A second sliding groove 308 is provided on the surface of the arc plate 307, and the first connecting wire 205 is slidably connected to the second sliding groove 308. The third gear 309 is rotatably installed on both sides of the inner cavity of the monitoring box 201, and the fourth tooth plate 217 is meshed with the third gear 309. When the fourth tooth plate 217 moves upward, it drives the third gear 309 to rotate. A second threaded barrel 310 is rotatably installed, and the second threaded barrel 310 penetrates the outside of the monitoring box 201. A fourth gear 311 is fixedly installed on the surface of the second threaded barrel 310. The fourth gear 311 is meshed with the third gear 309, and the rotating third gear 309 can drive the fourth gear 311 to rotate, and then drive the second threaded barrel 310 to rotate. A second threaded rod 312 is installed on the internal thread of the second threaded barrel 310, and a push rod 313 is fixedly installed on the end of the second threaded rod 312. The push rod 313 is fixedly connected to the guide plate 303. The rotation of the second threaded barrel 310 can drive the second threaded rod 312 to move, and the movement of the second threaded rod 312 can drive the push rod 313 to move, and then drive the guide plate 303 slides on the surface of the first connecting line 205, and the movement of the guide plate 303 can drive the fifth tooth plate 304 to move. A connecting box 314 is fixedly installed at the bottom of the inner cavity of the box body 1. Two connecting boxes 314 are provided. Through grooves 315 are opened inside the two connecting boxes 314. Second mounting seats 316 are fixedly installed on the tops of the two connecting boxes 314. A fifth gear 317 is rotatably installed inside the second mounting seat 316. The fifth gear 317 is meshed with the fifth tooth plate 304. Driven by the guide plate 303, the fifth tooth plate 304 moves to rotate the fifth gear 317. A third threaded rod 318 is slidably installed inside the second mounting seat 316. The third threaded rod 318 is threadedly connected with the fifth gear 317.A vertical plate 319 is fixedly installed at the end of the third threaded rod 318, and a conductive plate 320 is fixedly installed on the side of the vertical plate 319. When the fifth gear 317 rotates, the rotating fifth gear 317 can drive the third threaded rod 318 to move inside the second mounting seat 316, and the movement of the third threaded rod 318 can drive the vertical plate 319 to move, and the movement of the vertical plate 319 can drive the conductive plate 320 to move, so that the conductive plate 320 can be inserted into the through groove 315. The sides of the two connection boxes 314 are fixedly installed with second connecting wires 321. The connection 321 is slidably connected to the second sliding groove 308, and a spare wire 322 is fixedly installed between the two connection boxes 314. When the conductive plate 320 is inserted into the through groove 315, the second connection line 321 is connected to the spare wire 322 under the action of the conductive plate 320. When the second connection line 321 is connected to the spare wire 322, the insulating plate on the arc plate 307 is in contact with the first connection line 205, and the metal plate is connected to the second connection line 321, so that the entire main line is disconnected and the spare circuit is connected, so that the entire circuit is switched successfully.

[0039] Reference Figure 1-Figure 10, the present embodiment further proposes that the short circuit warning mechanism 4 also includes a third support 403, the third support 403 is fixedly mounted on the bottom of the mounting plate 210, and two third supports 403 are provided. The sides of the two third supports 403 are rotatably mounted with a sixth gear 404, the sixth gear 404 is meshed with the second toothed plate 209, and when the second toothed plate 209 moves downward, it will drive the sixth gear 404 to rotate, and the sides of the two third supports 403 are both rotatably mounted with a second pulley 405, the second pulley 405 is fixedly connected to the sixth gear 404, the second pulley 405 is connected to the first pulley 212 through a belt, and the rotation of the sixth gear 404 can drive the second pulley 405 to rotate, and the rotation of the second pulley 405 can To drive the first pulley 212 to rotate, and then drive the fourth tooth plate 217 to move up and down, a rotating shaft 406 is fixedly installed on the side of the second pulley 405, and the rotating shaft 406 penetrates the outside of the monitoring box 201 and is rotatably connected to the monitoring box 201. The end of the rotating shaft 406 is fixedly connected to the first gear 401. When the second pulley 405 rotates, the rotating shaft 406 can be driven to rotate, and the rotation of the rotating shaft 406 can drive the first gear 401 to rotate. A third sliding groove 407 is opened on the side of the monitoring box 201, and the third sliding groove 407 is provided with two. The sixth tooth plate 408 is slidably installed inside the two third sliding grooves 407. The sixth tooth plate 408 is respectively connected to the two first gears 401 The first gear 401 is meshed with each other, and the rotation of the first gear 401 can drive the sixth tooth plate 408 to move up and down inside the third sliding groove 407. A vertical rod 409 is fixedly installed on the side of the monitoring box 201. Two vertical rods 409 are provided. Damping rods 410 are fixedly installed on the sides of the two vertical rods 409. There are multiple damping rods 410. Wedge blocks 411 are fixedly installed on the ends of the multiple damping rods 410. Springs 412 are sleeved on the surfaces of the multiple damping rods 410. The springs 412 are provided between the vertical rods 409 and the wedge blocks 411. A sensing block 413 is fixedly installed on the side of the wedge block 411. A sensing plate 414 is fixedly installed on the side of the vertical rod 409. A fixed rod 415 is fixedly installed on the side of the sixth tooth plate 408. The fixed rod 415 is provided with multiple The ends of the plurality of fixed rods 415 are fixedly installed with contact blocks 416. When a short circuit occurs in the circuit and the main conductor 204 generates heat, the sixth tooth plate 408 can be driven to move upward. The upward movement of the sixth tooth plate 408 can drive the contact block 416 to move. When the contact block 416 contacts the wedge block 411, the wedge block 411 can be moved toward the direction of the vertical rod 409 to make the induction block 413 contact the induction plate 414. The higher the distance the sixth tooth plate 408 moves upward, the more induction blocks 413 and induction plates 414 are triggered. The induction blocks 413 and induction plates 414 installed on the two vertical rods 409 can respectively trigger different warning devices through electrical signals. The sockets 5 are fixedly installed on both sides of the box body 1.Conductive tubes 6 are fixedly installed on both sides of the inner cavity of the box body 1, and the conductive tubes 6 are fixedly connected to the first support 301. An LED lamp 7 is fixedly installed on the front of the box body 1. There are multiple LED lamps 7, and the multiple LED lamps 7 are connected to the left induction board 414 through electrical signals. A buzzer 8 is fixedly installed on the front of the box body 1. There are multiple buzzers 8, and the multiple buzzers 8 are connected to the right induction board 414 through electrical signals. A display screen 207 is fixedly installed on the front of the box body 1, and a control button 402 is fixedly installed on the front of the box body 1. When the number of induction boards 414 and induction blocks 413 in contact is different, the triggered LED lamps 7 and buzzers 8 are also different. The staff can judge the short circuit of the line by observing the number of LED lamps 7 that light up, and the buzzer 8 can also remind the staff so that the staff can repair the circuit in time.

[0040] Specifically, the working process or working principle of the power control box for preventing short circuit is as follows: when the main conductor 204 is short-circuited during use, it will generate heat. The temperature sensor 203 can monitor the generated heat and control the telescopic cylinder 206 through the microcontroller. The temperature sensor 203 sends the detected temperature value to the microcontroller, and the microcontroller judges the temperature value. When the temperature value detected by the temperature sensor 203 is greater than the set threshold, the microcontroller controls the telescopic cylinder 206 to start the telescopic movement, so that the telescopic cylinder 206 drives the second tooth plate 209 to move downward. The temperature sensor 203 continues to detect the temperature of the main conductor 204. When it is detected that the temperature is at the next threshold, the microcontroller can continue to control the telescopic cylinder 206 to perform telescopic movement. When the second tooth plate 209 moves downward, it will drive the sixth gear 404 to rotate, and the rotation of the sixth gear 404 can drive the second pulley 405 rotates, and the rotation of the second pulley 405 can drive the first pulley 212 to rotate, and then drive the fourth tooth plate 217 to move up and down. When the second pulley 405 rotates, it can drive the rotating shaft 406 to rotate, and the rotation of the rotating shaft 406 can drive the first gear 401 to rotate. The rotation of the first gear 401 can drive the sixth tooth plate 408 to move up and down inside the third sliding groove 407. The upward movement of the sixth tooth plate 408 can drive the contact block 416 to move. When the contact block 416 contacts the wedge block 411, the wedge block 411 can be moved toward the direction of the vertical rod 409, so that the sensor block 413 contacts the sensor plate 414. The higher the distance the sixth tooth plate 408 moves upward, the more sensor blocks 413 and sensor plates 414 are triggered. When the number of sensor plates 414 contacting the sensor block 413 is different, the triggered LED lights 7 and buzzer 8 are also different.

[0041] When the first pulley 212 rotates, the rotating first pulley 212 can drive the second gear 213 to rotate, and the rotation of the second gear 213 can make the third tooth plate 215 slide upward inside the first sliding groove 214, and the upward sliding of the third tooth plate 215 can drive the connecting plate 216 and the fourth tooth plate 217 to move upward, and when the fourth tooth plate 217 moves upward, it will drive the third gear 309 to rotate, and the rotating third gear 309 can drive the fourth gear 311 to rotate, so that The second threaded cylinder 310 is driven to rotate, and the rotation of the second threaded cylinder 310 can drive the second threaded rod 312 to move, and the movement of the second threaded rod 312 can drive the push rod 313 to move, and then drive the guide plate 303 to slide on the surface of the first connecting line 205, and the movement of the guide plate 303 can drive the fifth tooth plate 304 to move, and at the same time drive the first threaded rod 305 to move. When the first threaded rod 305 moves, it can drive the first threaded cylinder 302 to rotate. 02 rotates, the rotating first threaded cylinder 302 can also drive the arc plate 307 to rotate, so that the insulating plate on the arc plate 307 contacts the first connecting line 205, and the fifth toothed plate 304 moves under the drive of the guide plate 303, so that the fifth gear 317 rotates. When the fifth gear 317 rotates, the rotating fifth gear 317 can drive the third threaded rod 318 to move inside the second mounting seat 316, and the movement of the third threaded rod 318 can drive the vertical plate 319 to move, and the vertical plate 319 The movement can drive the conductive plate 320 to move, so that the conductive plate 320 can be inserted into the through slot 315. After the conductive plate 320 is inserted into the through slot 315, under the action of the conductive plate 320, the circuit of the second connecting line 321 is connected with the circuit of the spare wire 322. When the second connecting line 321 is connected with the spare wire 322, the insulating plate on the arc plate 307 is in contact with the first connecting line 205, and the metal plate is connected to the second connecting line 321, so that the entire main line is disconnected and the spare circuit is connected.

Claims

1. A short-circuit-proof power control box, comprising a box body (1), characterized in that: A monitoring mechanism (2) is installed inside the box (1), and the monitoring mechanism (2) comprises: A monitoring box (201), the monitoring box (201) being fixedly mounted on the bottom of the inner cavity of the box body (1), a fixing seat (202) being fixedly mounted on the top of the monitoring box (201), and a temperature sensor (203) being fixedly mounted on the top of the fixing seat (202); A main conductor (204), the main conductor (204) being fixedly mounted inside the fixing seat (202), and first connecting wires (205) being fixedly mounted at both ends of the main conductor (204); A circuit switching mechanism (3), the circuit switching mechanism (3) being mounted at both ends of the inner cavity of the box body (1), the circuit switching mechanism (3) comprising a first support (301), two first supports (301) being provided, the two first supports (301) being fixedly mounted at the bottom of the inner cavity of the box body (1), a first threaded cylinder (302) being rotatably mounted on the side of the first support (301), the first threaded cylinder (302) penetrating to the other side of the first support (301); A short circuit warning mechanism (4), the short circuit warning mechanism (4) is installed on the side of the monitoring box (201), the short circuit warning mechanism (4) comprises a first gear (401), two first gears (401) are provided, and the two first gears (401) are rotatably installed on the side of the monitoring box (201).

2. A short-circuit-proof power control box according to claim 1, characterized in that: The monitoring mechanism (2) further comprises a telescopic cylinder (206), the telescopic cylinder (206) being fixedly mounted on the top of the inner cavity of the monitoring box (201), the telescopic cylinder (206) being connected to the temperature sensor (203) via an electrical signal, a connecting column (208) being fixedly mounted on the telescopic end of the telescopic cylinder (206), a second tooth plate (209) being fixedly mounted on the bottom of the connecting column (208), a mounting plate (210) being fixedly mounted inside the monitoring box (201), the mounting plate (210) being slidably connected to the second tooth plate (209), a first mounting seat (211) being fixedly mounted on the bottom of the mounting plate (210), and two first mounting seats (211) are provided.

3. A short-circuit-proof power control box according to claim 2, characterized in that: The sides of the two first mounting seats (211) are both rotatably mounted with first pulleys (212), the sides of the first pulleys (212) are fixedly mounted with second gears (213), the inner cavity of the monitoring box (201) is provided with first sliding grooves (214) on both sides, the insides of the two first sliding grooves (214) are both slidably mounted with third tooth plates (215), the third tooth plates (215) are meshed with the second gears (213), the top of the third tooth plates (215) is fixedly mounted with a connecting plate (216), and the top of the connecting plate (216) is fixedly mounted with a fourth tooth plate (217).

4. A short-circuit-proof power control box according to claim 3, characterized in that: The line switching mechanism (3) also includes a guide plate (303), which is slidably mounted on the surface of the first connecting line (205), and a fifth tooth plate (304) is fixedly mounted on the bottom of the guide plate (303), and a first threaded rod (305) is fixedly mounted on the side of the fifth tooth plate (304), and the first threaded rod (305) is threadedly connected to the first threaded cylinder (302), and a connecting rod (306) is fixedly mounted on the surface of the first threaded cylinder (302), and a plurality of connecting rods (306) are provided, and an arc plate (307) is fixedly mounted at the ends of the plurality of connecting rods (306), and a second sliding groove (308) is opened on the surface of the arc plate (307), and the first connecting line (205) is slidably connected to the second sliding groove (308).

5. A short-circuit-proof power control box according to claim 4, characterized in that: A third gear (309) is rotatably mounted on both sides of the inner cavity of the monitoring box (201), and the fourth toothed plate (217) is meshed with the third gear (309). A second threaded cylinder (310) is rotatably mounted on both sides of the inner cavity of the monitoring box (201), and the second threaded cylinder (310) passes through the outside of the monitoring box (201). A fourth gear (311) is fixedly mounted on the surface of the second threaded cylinder (310), and the fourth gear (311) is meshed with the third gear (309). A second threaded rod (312) is installed on the internal thread of the second threaded cylinder (310), and a push rod (313) is fixedly mounted on the end of the second threaded rod (312), and the push rod (313) is fixedly connected to the guide plate (303).

6. A short-circuit-proof power control box according to claim 5, characterized in that: A connection box (314) is fixedly mounted on the bottom of the inner cavity of the box body (1), and two connection boxes (314) are provided. Through slots (315) are provided inside the two connection boxes (314). A second mounting seat (316) is fixedly mounted on the top of the two connection boxes (314), and a fifth gear (317) is rotatably mounted inside the second mounting seat (316). The fifth gear (317) is meshed with the fifth toothed plate (304), and a third screw is slidably mounted inside the second mounting seat (316). The third threaded rod (318) is threadedly connected to the fifth gear (317), a vertical plate (319) is fixedly installed at the end of the third threaded rod (318), a conductive plate (320) is fixedly installed on the side of the vertical plate (319), a second connecting wire (321) is fixedly installed on the side of the two connection boxes (314), the second connecting wire (321) is slidably connected to the second sliding groove (308), and a spare wire (322) is fixedly installed between the two connection boxes (314).

7. A short-circuit-proof power control box according to claim 6, characterized in that: The short circuit warning mechanism (4) also includes a third support (403), the third support (403) is fixedly mounted on the bottom of the mounting plate (210), two third supports (403) are provided, the side parts of the two third supports (403) are rotatably mounted with a sixth gear (404), the sixth gear (404) is meshed with the second toothed plate (209), the side parts of the two third supports (403) are both rotatably mounted with a second pulley (405), the second pulley (405) is fixedly connected to the sixth gear (404), and the second pulley (405) is connected to the first pulley (212) via a belt.

8. The short-circuit-proof power control box according to claim 7, characterized in that: A rotating shaft (406) is fixedly installed on the side of the second pulley (405), and the rotating shaft (406) passes through the outside of the monitoring box (201) and is rotatably connected to the monitoring box (201). The end of the rotating shaft (406) is fixedly connected to the first gear (401). A third sliding groove (407) is opened on the side of the monitoring box (201), and the third sliding grooves (407) are provided with two. Sixth tooth plates (408) are slidably installed inside the two third sliding grooves (407), and the sixth tooth plates (408) are respectively meshed with the two first gears (401).

9. A short-circuit-proof power control box according to claim 8, characterized in that: A vertical rod (409) is fixedly mounted on the side of the monitoring box (201), and two vertical rods (409) are provided. A damping rod (410) is fixedly mounted on the sides of the two vertical rods (409). A plurality of damping rods (410) are provided. Wedge blocks (411) are fixedly mounted on the ends of the plurality of damping rods (410). A spring (412) is sleeved on the surface of the plurality of damping rods (410). The spring (412) is provided between the vertical rod (409) and the wedge block (411). A sensing block (413) is fixedly mounted on the side of the wedge block (411). A sensing plate (414) is fixedly mounted on the side of the vertical rod (409). A fixed rod (415) is fixedly mounted on the side of the sixth tooth plate (408). A plurality of fixed rods (415) are provided. A contact block (416) is fixedly mounted on the ends of the plurality of fixed rods (415).

10. A short-circuit-proof power control box according to claim 9, characterized in that: Sockets (5) are fixedly mounted on both sides of the box (1), conductive tubes (6) are fixedly mounted on both sides of the inner cavity of the box (1), and the conductive tubes (6) are fixedly connected to the first support (301). An LED lamp (7) is fixedly mounted on the front of the box (1), and a plurality of the LED lamps (7) are provided, and the plurality of the LED lamps (7) are connected to the left sensing plate (414) through electrical signals. A buzzer (8) is fixedly mounted on the front of the box (1), and a plurality of the buzzers (8) are provided, and the plurality of the buzzers (8) are connected to the right sensing plate (414) through electrical signals. A display screen (207) is fixedly mounted on the front of the box (1), and a control button (402) is fixedly mounted on the front of the box (1).

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