CN114003023B

CN114003023B - Quick fault detection device

Info

Publication number: CN114003023B
Application number: CN202111329112.8A
Authority: CN
Inventors: 吕勇庆; 刘宁; 郗存根; 丁昱; 韩君飞; 何志平; 张宇光; 潘军; 程立同; 邓育健
Original assignee: China Coal Technology and Engineering Group Shanghai Co Ltd
Current assignee: China Coal Technology and Engineering Group Shanghai Co Ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2023-08-04
Anticipated expiration: 2041-11-10
Also published as: CN114003023A

Abstract

The invention discloses a rapid fault detection device, which relates to the technical field of control box detection and comprises a base, wherein a top cover is arranged at the upper end of the base, and a sealing assembly is arranged between the base and the top cover; an isolation relay, a PLC input module and a PLC output module are arranged in the base; one pair of contacts in the isolating relay is set as a fault detection contact, and the other pairs of contacts are used as control output contacts; a first control and regulation module and a second control and regulation module are arranged in the top cover, and the first control and regulation module is in control connection with the PLC input module and the obstacle detection contact on the isolation relay; and the second control and regulation module is in control connection with the PLC output module and a control output contact on the isolation relay. The rapid fault detection device provided by the invention can be applied to the PLC control box, and can rapidly, intuitively and effectively judge the fault point when the PLC control box fails.

Description

Quick fault detection device

Technical Field

The invention relates to the technical field of control box detection, in particular to a rapid fault detection device.

Background

The control box is suitable for occasions such as factories and mines, enterprises, markets, hotels, schools, airports, ports, hospitals, high-rise buildings, living communities and the like, exchanges 50HZ, and is used for power, illumination power distribution and motor control in a low-voltage power grid system with rated working voltage of 380V, and is suitable for indoor wall-mounted and outdoor floor-mounted power distribution equipment.

The existing PLC control box can generally carry out system programming, field data are collected through an input module, and equipment control is completed through an output module after judgment according to set logic. However, when a problem occurs in a PLC module or power supply in the PLC control box, the fault can only be judged by a diagnostic tool provided by the PLC, on one hand, the parameters provided by the PLC are more, part of fault display is not intuitive, multiple parameter judgment is needed, and on the other hand, part of external faults, such as outage or isolation relay faults, cannot be judged.

Disclosure of Invention

The invention aims to provide a rapid fault detection device, which is used for solving the problem that the detection cannot be completed rapidly when the existing PLC control box fails.

In order to achieve the above purpose, the rapid fault detection device provided by the invention comprises a base, wherein the upper end of the base is provided with a top cover, and a sealing assembly is arranged between the base and the top cover;

an isolation relay, a PLC input module and a PLC output module are arranged in the base;

one pair of contacts in the isolating relay is set as a fault detection contact, and the other pairs of contacts are used as control output contacts;

a first control and regulation module and a second control and regulation module are arranged in the top cover, and the first control and regulation module is in control connection with the PLC input module and the barrier detection contact on the isolation relay; and the second control and regulation module is in control connection with the PLC output module and a control output contact on the isolation relay.

Preferably, the first control and regulation module, the isolation relay, the PLC input module, the second control and regulation module and the PLC output module form a fault detection loop, and the fault detection loop is also connected with an anti-circulation component in series.

Preferably, the sealing assembly comprises a fixing seat, a waterproof strip, a waterproof groove and a sealing ring, wherein the fixing seat is fixedly arranged at the bottom end of the top cover, the waterproof strip is fixedly arranged at the bottom end of the fixing seat, the waterproof groove is formed in the base, and the sealing ring is fixedly arranged in the waterproof groove.

Preferably, the fixing seat, the waterproof strip, the waterproof groove and the sealing ring are all square structures, and the waterproof groove is matched with the waterproof strip.

Preferably, a heat dissipation assembly is arranged between the base and the top cover.

Preferably, the heat dissipation assembly comprises an inner heat dissipation box I, an inner heat dissipation box II, an inner circulation pipe, cooling liquid, an outer circulation pipe I, an outer circulation pipe II, a water pump box, a miniature water pump, an outer circulation pipe III, an outer fan heat box, a mounting groove, a refrigerating sheet and an outer box, wherein the inner heat dissipation box I is fixedly mounted at the bottom end of the inside of the base, the inner heat dissipation box II is arranged above the inner heat dissipation box I, the inner circulation pipe I and the inner heat dissipation box II are fixedly mounted inside the inner heat dissipation box I and the inner heat dissipation box II, the cooling liquid is arranged inside the inner heat dissipation box I and the inner heat dissipation box II, the outer circulation pipe I and the outer circulation pipe II are fixedly mounted at the left side and the right side of the inner heat dissipation box I and the inner heat dissipation box II, the outer box is fixedly mounted at the top end of the top cover, the water pump box is fixedly mounted inside the outer fan heat dissipation box, the miniature water pump is fixedly mounted at the left side of the miniature water pump, the outer fan heat box is fixedly mounted inside the outer fan heat dissipation box, the mounting groove is fixedly mounted at the top of the inner fan heat dissipation groove.

Preferably, the first control and regulation module comprises a first control and regulation module box, a first knob, a first rotating rod, a first rotating disc, a first pointer, a first connecting wire, a first contact piece, a second contact piece and a second connecting wire, the first control and regulation module box is fixedly arranged at the top of the inside of the top cover, the first knob is rotationally connected to the outer side of the first control and regulation module box, the first rotating rod is fixedly arranged at the tail end of the first knob, the first rotating disc is fixedly arranged at the tail end of the first rotating rod, the first pointer is fixedly arranged at the outer side of the first rotating disc, the first connecting wire is fixedly arranged at the bottom end of the first control and regulation module box, the first contact piece is fixedly arranged on the right side of the first connecting wire, the second connecting wire is fixedly arranged at the top of the inside of the first control and regulation module box, and the second contact piece is fixedly arranged at the tail end of the second connecting wire.

Preferably, the second control and regulation module comprises a second control and regulation module box, a second knob, a second rotating rod, a second rotating disc, a second pointer, a third connecting wire, a third contact piece, a fourth contact piece and a fourth connecting wire, wherein the second control and regulation module box is fixedly arranged at the top of the inside of the top cover, the second knob is rotationally connected to the outer side of the second control and regulation module box, the second rotating rod is fixedly arranged at the tail end of the second knob, the second rotating disc is fixedly arranged at the tail end of the second rotating rod, the second pointer is fixedly arranged at the outer side of the second rotating disc, the third connecting wire is fixedly arranged at the bottom end of the second control and regulation module box, the third contact piece is fixedly arranged on the right side of the third connecting wire, the fourth connecting wire is fixedly arranged at the top end of the inside of the second control and regulation module box, and the fourth contact piece is fixedly arranged at the tail end of the fourth connecting wire.

Compared with the related art, the rapid fault detection device provided by the invention has the following beneficial effects:

the rapid fault detection device provided by the invention can be applied to the PLC control box, and can rapidly, intuitively and effectively judge the fault point when the PLC control box fails.

Meanwhile, the scheme provided by the invention has the advantages of stable and reliable whole structure and strong practicability.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of a split structure of the present invention;

FIG. 4 is a schematic view of an inner structure of the inner heat dissipating box according to the present invention;

FIG. 5 is a schematic diagram of an internal structure of the control module according to the present invention;

FIG. 6 is a schematic diagram of the internal structure of a second control module according to the present invention;

fig. 7 is an enlarged schematic view of the structure of fig. 2 a according to the present invention.

In the figure: 1. a base; 2. a top cover; 3. a seal assembly; 301. a fixing seat; 302. a waterproof strip; 303. a water-repellent tank; 304. a seal ring; 4. a heat dissipation assembly; 401. an inner heat dissipation box I; 402. an inner heat dissipation box II; 404. an inner circulation pipe; 405. a cooling liquid; 406. an outer circulation pipe I; 407. an outer circulation pipe II; 408. a water pump box; 409. a micro water pump; 410. an outer circulation pipe III; 411. an outer fan heat box; 412. a mounting groove; 413. a cooling sheet; 414. an outer case; 5. an isolation relay; 6. a PLC input module; 7. a PLC output module; 8. a power supply; 9. an indicator light; 10. a first control and regulation module; 1001. a first control and regulation module box; 1002. a first knob; 1003. a first rotating rod; 1004. a first turntable; 1005. a pointer I; 1006. a first connecting wire; 1007. a first contact piece; 1008. a second contact piece; 1009. a second connecting wire; 11. a second control and regulation module; 1101. a second control and regulation module box; 1102. a second knob; 1103. a second rotating rod; 1104. a second turntable; 1105. a pointer II; 1106. a third connecting line; 1107. a third contact piece; 1108. a contact sheet IV; 1109. a connecting wire IV; 12. a display; 13. an interface I; 14. and an interface II.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1:

referring to fig. 1 to 7, there is shown an example of a configuration of a rapid failure detection apparatus according to the present example.

As shown in the figure, the rapid fault detection device mainly comprises a base 1, a top cover 2, a sealing assembly 3, a heat dissipation assembly 4, an isolation relay 5, a PLC input module 6, a power supply 8, an indicator lamp 9, a PLC output module 7, a first control regulation module 10 and a second control regulation module 11.

Wherein, the upper end of base 1 is provided with top cap 2, is provided with seal assembly 3 between base 1 and the top cap 2, and the front side fixed mounting of base 1 has display 12, and the inside fixed mounting of top cap 2 has pilot lamp 9.

The inside of base 1 and top end of top cap 2 are provided with radiator unit 4.

The inside of the inside radiator unit 4 of base 1 is provided with isolation relay 5, and PLC input module 6, power 8 and PLC output module 7 are installed in proper order from left to right on the top of the inside radiator unit 4 of base 1.

The top inside the top cover 2 is provided with a first control and regulation module 10 and a second control and regulation module 11 in sequence from left to right, and the left side and the right side of the top cover 2 are respectively provided with a second interface 14 and a first interface 13.

On the basis of this, the isolation relay 5 in this example adopts a 2-contact or 4-contact relay, and one of the contacts in the isolation relay 5 is set as a fault detection contact, and the remaining 1 or 3 contacts are used as control output contacts.

Further, the first control and regulation module 10 is arranged in the top cover to control and connect the PLC input module 6 with the barrier detection contact on the isolation relay 5 so as to control the connection conduction state between the PLC input module and the isolation relay 5.

Meanwhile, the control output contact on the isolation relay 5 is controlled and connected with the PLC output module 7 through the second control adjusting module 11 arranged in the top cover so as to control the connection conduction state between the PLC output module and the isolation relay 5.

Therefore, the fault detection contact of the relay is connected to the input module, when the equipment is started, or when overhauling, the fault detection contact is sequentially output to each channel of the output module through executing a detection program, and whether the channel is normal or not is judged by detecting whether signals exist in the input channel or not.

Further, in this example, the loop current preventing component is further connected in series in the fault detection loop formed among the first control and regulation module 10, the isolation relay 5, the PLC input module 6, the second control and regulation module 11 and the PLC output module 7, so as to ensure that loop current is not formed, and thus stability and reliability of the whole scheme are improved.

Preferably, the loop prevention component here is preferably constituted by a respective diode.

Further, the sealing assembly 3 in the present device specifically includes a fixing seat 301, a waterproof strip 302, a waterproof groove 303, and a sealing ring 304. Wherein, fixing base 301 fixed mounting is in the bottom of top cap 2, and waterproof strip 302 fixed mounting is in the bottom of fixing base 301, and waterproof groove 303 is seted up in the inside of base 1, and sealing washer 304 fixed mounting is in the inside of waterproof groove 303.

Further, the fixing seat 301, the waterproof strip 302, the waterproof groove 303 and the sealing ring 304 are all square structures, and the waterproof groove 303 is matched with the waterproof strip 302;

specifically, as shown in fig. 1, 2, 3 and 4, when the device is used, during starting self-inspection or maintenance, the first control and adjustment module 10 and the second control and adjustment module 11 can be operated to realize conduction, so as to form a fault detection loop, thereby completing corresponding fault detection; when a plurality of output modules exist, the cross detection can be performed by controlling the second control module 11.

Further, this device still can seal the junction of base 1 and top cap 2 through waterproof strip 302, water-proof groove 303 and sealing washer 304 when using, avoids when daily use, and water gets into the inside of device, has promoted the security of device, reduces unnecessary loss.

Example 2:

the present example gives a specific constitution of the heat dissipation assembly 4 for the scheme of example 1.

Referring to fig. 2-4, the heat dissipation assembly 4 in this example specifically includes an inner heat dissipation case 401, an inner heat dissipation case 402, an inner circulation tube 404, a cooling liquid 405, an outer circulation tube 406, an outer circulation tube 407, a water pump 408, a micro water pump 409, an outer circulation tube 410, an outer heat dissipation case 411, a mounting groove 412, a cooling fin 413, and an outer case 414.

The first inner heat dissipation box 401 is fixedly installed at the bottom end inside the base 1, and the second inner heat dissipation box 402 is arranged above the first inner heat dissipation box 401.

The inner circulation pipe 404 is fixedly arranged inside the first inner heat dissipation box 401 and the second inner heat dissipation box 402; the coolant 405 is disposed inside the first inner radiator tank 401 and the second inner radiator tank 402.

The first outer circulation pipe 406 and the second outer circulation pipe 407 are fixedly installed on the left and right sides of the first inner radiator tank 401 and the second inner radiator tank 402.

The outer case 414 fixed mounting is on the top of top cap 2, and water pump case 408 fixed mounting is in the inside of outer case 414, and miniature water pump 409 fixed mounting is in the inside of water pump case 408, and miniature water pump 409's left side fixed mounting has outer circulation pipe three 410, and outer fan heat box 411 fixed mounting is in the inside of outer case 414, and mounting groove 412 is seted up on the top of outer fan heat box 411, and the inside fixed mounting of mounting groove 412 has refrigeration piece 413.

Further, the first inner heat dissipating tank 401 and the second inner heat dissipating tank 402 are connected to the first outer heat dissipating tank 411 through the first outer circulation pipe 406, the first inner heat dissipating tank 401 and the second inner heat dissipating tank 402 are connected to the micro water pump 409 through the second outer circulation pipe 407, and the third outer circulation pipe 410 extends to the inside of the first outer heat dissipating tank 411.

The cooling plates 413 in this example are made of semiconductor cooling plates, and the cooling plates 413 are distributed at equal intervals inside the cooling plates 413.

Specifically, as shown in fig. 1, fig. 2, fig. 4 and fig. 5, when the heat dissipation assembly 4 provided in this example is applied in cooperation with the device solution provided in example 1, the micro water pump 409 is turned on, the micro water pump 409 can convey the cooling liquid 405 inside the outer fan heat box 411 to the inside of the inner heat dissipation box first 401 and the inner heat dissipation box second 402 through the outer circulation pipe third 410 and the outer circulation pipe second 407, the inner heat dissipation box first 401 and the inner heat dissipation box second 402 can efficiently dissipate heat of the isolation relay 5, the inner heat dissipation box second 402 can efficiently dissipate heat of the PLC input module 6, the PLC output module 7 and the power supply 8, the circulation cooling of the cooling liquid 405 can be realized through the mutual cooperation of the cooling liquid 405, the outer circulation pipe first 406 and the outer circulation pipe second 407, the practicality is higher, the cooling sheet 413 arranged at equal intervals can efficiently dissipate heat inside the outer fan heat box 411, the design is reasonable, the usability is higher, and the fault diagnosis display device is prevented from being damaged due to high temperature.

Example 3:

the present example gives a specific configuration of the first control adjustment module 10 and the second control adjustment module 11 for the scheme of example 1.

Referring to fig. 5, the first control adjustment module 10 of the present embodiment includes a first control adjustment module box 1001, a first knob 1002, a first rotating rod 1003, a first rotating disc 1004, a first pointer 1005, a first connecting wire 1006, a first contact 1007, a second contact 1008, and a second connecting wire 1009.

Specifically, the first control and regulation module box 1001 is fixedly arranged at the top of the interior of the top cover 2, the first knob 1002 is rotatably connected to the outer side of the first control and regulation module box 1001, the first rotating rod 1003 is fixedly arranged at the tail end of the first knob 1002, the first rotating disc 1004 is fixedly arranged at the tail end of the first rotating rod 1003, and the first pointer 1005 is fixedly arranged at the outer side of the first rotating disc 1004.

The first connecting wire 1006 is fixedly arranged at the bottom end of the first control and regulation module box 1001, the right side of the first connecting wire 1006 is fixedly provided with a first contact piece 1007, the second connecting wire 1009 is fixedly arranged at the top end of the first control and regulation module box 1001, and the tail end of the second connecting wire 1009 is fixedly provided with a second contact piece 1008.

The first connecting wire 1006 is electrically connected with the isolation relay 5, the second connecting wire 1009 is electrically connected with the PLC input module 6, the second connecting wire 1009 and the second contact piece 1008 are provided with the same four, and the second contact piece 1008 is distributed in a fan shape around the center of the first turntable 1004.

Referring to fig. 6, the second control adjustment module 11 provided in this example includes a second control adjustment module box 1101, a second knob 1102, a second rotating lever 1103, a second rotating disk 1104, a second pointer 1105, a third connecting wire 1106, a third contact 1107, a fourth contact 1108, and a fourth connecting wire 1109.

The second control module box 1101 is fixedly arranged at the top of the interior of the top cover 2, the second knob 1102 is rotatably connected to the outer side of the second control module box 1101, the second rotating rod 1103 is fixedly arranged at the tail end of the second knob 1102, the second rotating disc 1104 is fixedly arranged at the tail end of the second rotating rod 1103, and the second pointer 1105 is fixedly arranged at the outer side of the second rotating disc 1104.

The third connecting wire 1106 is fixedly arranged at the bottom end of the second control and regulation module box 1101, the right side of the third connecting wire 1106 is fixedly provided with a third contact piece 1107, the fourth connecting wire 1109 is fixedly arranged at the top end of the second control and regulation module box 1101, and the tail end of the fourth connecting wire 1109 is fixedly provided with a fourth contact piece 1108.

The third connecting wire 1106 is electrically connected with the isolation relay 5, the fourth connecting wire 1109 is electrically connected with the PLC output module 7, the fourth connecting wire 1109 and the fourth contact plate 1108 are provided with the same four, and the fourth contact plate 1108 is distributed in a fan shape around the center of the second rotating disk 1104.

Specifically, in combination with the control adjustment module one 10 and the control adjustment module two 11 provided in this example, when in use, a worker screws the knob one 1002, the knob one 1002 can drive the pointer one 1005 to rotate through the rotating rod one 1003 and the rotating disc one 1004, the opening and closing of the pointer one 1005 and the four contact pieces two 1008 can be realized, the worker screws the knob two 1102 in the same way, the knob two 1102 can drive the pointer two 1105 to rotate through the rotating rod two 1103 and the rotating disc two 1104, the opening and closing of the pointer two 1105 and the four contact pieces four 1108 can be realized, the maintenance can be realized, the channels of the input and output modules can be sequentially adjusted, whether the channels are normal or not can be judged through the indicator lamp 9, the operation is simple, and the use is convenient.

Furthermore, when the first control adjustment module 10 and the second control adjustment module 11 provided in this example are applied to the device solution provided in example 1, an operator of the device uses an electric wire to connect the PLC control box with the first interface 13 and the second interface 14, the operator turns the first knob 1002, the first knob 1002 can drive the first pointer 1005 to rotate through the first rotating rod 1003 and the first rotating disc 1004, and the first pointer 1005 and the second four contact pieces 1008 can be opened and closed.

The same worker screws the knob two 1102, the knob two 1102 can drive the pointer two 1105 to rotate through the rotary rod two 1103 and the rotary disc two 1104, the pointer two 1105 and the four contact pieces four 1108 can be opened and closed, overhaul can be realized, the channels of the input and output modules are sequentially regulated, and whether the channels are normal or not is judged through the indicator lamp 9.

In the process of using the fault diagnosis display device, the waterproof strip 302, the waterproof groove 303 and the sealing ring 304 can seal the joint of the base 1 and the top cover 2, so that water is prevented from entering the device during daily use, the safety of the device is improved, unnecessary loss is reduced, meanwhile, the micro water pump 409 is started, and the micro water pump 409 can convey cooling liquid 405 inside the outer heat-dissipating box 411 to the inside of the inner heat-dissipating box I401 and the inner heat-dissipating box II 402 through the outer circulating pipe III 410 and the outer circulating pipe II 407. The first internal heat dissipation box 401 and the second internal heat dissipation box 402 can efficiently dissipate heat of the isolation relay 5, the second internal heat dissipation box 402 can efficiently dissipate heat of the PLC input module 6, the PLC output module 7 and the power supply 8, circulating cooling of the cooling liquid 405 can be achieved through mutual matching of the cooling liquid 405, the first external circulation pipe 406 and the second external circulation pipe 407, practicality is high, cooling sheets 413 arranged at equal intervals can efficiently dissipate heat of the cooling liquid 405 inside the external heat dissipation box 411, design is reasonable, usability is high, failure diagnosis display devices are prevented from being damaged due to high temperature, and design is reasonable, and use is convenient.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The rapid fault detection device comprises a base (1) and is characterized in that a top cover (2) is arranged at the upper end of the base (1), and a sealing assembly (3) is arranged between the base (1) and the top cover (2);

an isolation relay (5), a PLC input module (6) and a PLC output module (7) are arranged in the base (1);

one pair of contacts in the isolating relay (5) is set as a fault detection contact, and the other pairs of contacts are used as control output contacts;

a first control and regulation module (10) and a second control and regulation module (11) are arranged in the top cover (2); the first control and regulation module (10) is in control connection with the PLC input module (6) and the fault detection contact on the isolation relay (5); the second control and regulation module (11) is in control connection with a PLC output module (7) and a control output contact on the isolation relay (5);

the first control and adjustment module (10) comprises a first control and adjustment module box (1001), a first knob (1002), a first rotating rod (1003), a first turntable (1004), a first pointer (1005), a first connecting wire (1006), a first contact piece (1007), a second contact piece (1008) and a second connecting wire (1009), wherein the first control and adjustment module box (1001) is fixedly arranged at the top of the inside of the top cover (2), the first knob (1002) is rotationally connected to the outer side of the first control and adjustment module box (1001), the first rotating rod (1003) is fixedly arranged at the tail end of the first knob (1002), the first turntable (1004) is fixedly arranged at the tail end of the first rotating rod (1003), the first pointer (1005) is fixedly arranged at the outer side of the first turntable (1004), the first connecting wire (1006) is fixedly arranged at the bottom end of the first control and adjustment module box (1001), the first contact piece (1007) is fixedly arranged at the right side of the first connecting wire (1006), the second connecting wire (1009) is fixedly arranged at the top of the inside of the first control and adjustment module box (1001), and the second contact piece (1008) is fixedly arranged at the tail end of the second connecting wire (1009).

The control adjustment module II (11) comprises a control adjustment module box II (1101), a knob II (1102), a rotating rod II (1103), a rotating disc II (1104), a pointer II (1105), a connecting wire III (1106), a contact piece III (1107), a contact piece IV (1108) and a connecting wire IV (1109), wherein the control adjustment module box II (1101) is fixedly arranged at the top of the inside of the top cover (2), the knob II (1102) is rotationally connected to the outer side of the control adjustment module box II (1101), the rotating rod II (1103) is fixedly arranged at the tail end of the knob II (1102), the rotating disc II (1104) is fixedly arranged at the tail end of the rotating rod II (1103), the pointer II (1105) is fixedly arranged at the outer side of the rotating disc II (1104), the connecting wire III (1106) is fixedly arranged at the bottom end of the control adjustment module box II (1101), the contact piece III (1107) is fixedly arranged on the right side of the connecting wire III (1109), and the connecting wire IV (1109) is fixedly arranged at the top of the inside of the control adjustment module box II (1101), and the tail end of the connecting wire IV (1109) is fixedly arranged with the contact piece IV (1108).

When the first control and adjustment module (10) and the second control and adjustment module (11) are used, the first knob (1002) is screwed, and the first knob (1002) can drive the first pointer (1005) to rotate through the first rotating rod (1003) and the first rotating disc (1004), so that the first pointer (1005) and the second four contact pieces (1008) can be opened and closed; the knob II (1102) is screwed, the knob II (1102) can drive the pointer II (1105) to rotate through the rotary rod II (1103) and the rotary disc II (1104), the opening and closing of the pointer II (1105) and the four contact pieces IV (1108) can be realized, overhaul is realized, all channels of the input-output module are sequentially regulated, and whether the channels are normal or not is judged through the indicator lamp.

2. A rapid failure detection apparatus according to claim 1, wherein: the control regulation module I (10), the isolation relay (5), the PLC input module (6), the control regulation module II (11) and the PLC output module (7) form a fault detection loop, and an anti-circulation component is connected in series.

3. A rapid failure detection apparatus according to claim 1, wherein: the sealing assembly (3) comprises a fixing seat (301), a waterproof strip (302), a waterproof groove (303) and a sealing ring (304), wherein the fixing seat (301) is fixedly installed at the bottom end of the top cover (2), the waterproof strip (302) is fixedly installed at the bottom end of the fixing seat (301), the waterproof groove (303) is formed in the base (1), and the sealing ring (304) is fixedly installed in the waterproof groove (303).

4. A rapid failure detection apparatus according to claim 3, wherein: fixing base (301), waterproof strip (302), waterproof groove (303) and sealing washer (304) all are square structure, waterproof groove (303) and waterproof strip (302) looks adaptation.

5. A rapid failure detection apparatus according to claim 1, wherein: and a heat dissipation assembly is arranged between the base and the top cover.

6. The rapid fault detection device of claim 5, wherein: the heat dissipation component (4) comprises an inner heat dissipation box I (401), an inner heat dissipation box II (402), an inner circulation pipe (404), a cooling liquid (405), an outer circulation pipe I (406), an outer circulation pipe II (407), a water pump box (408), a micro water pump (409), an outer circulation pipe III (410), an outer fan heat dissipation box (411), a mounting groove (412), a refrigerating sheet (413) and an outer box (414), wherein the inner heat dissipation box I (401) is fixedly arranged at the bottom end of the inside of the base (1), the inner heat dissipation box II (402) is arranged above the inner heat dissipation box I (401), the inner circulation pipe (404) is fixedly arranged inside the inner heat dissipation box I (401) and the inner heat dissipation box II (402), the cooling liquid (405) is arranged inside the inner heat dissipation box I (401) and the inner heat dissipation box II (402), the outer circulation pipe I (406) and the outer circulation pipe II (407) are fixedly arranged at the left side and the right side of the inner heat dissipation box II (402), the outer box (414) is fixedly arranged at the top cover (2), the water pump (408) is fixedly arranged at the inner side of the micro water pump (408), the outer heat-dissipating box (411) is fixedly arranged in the outer box (414), the mounting groove (412) is formed in the top end of the outer heat-dissipating box (411), and the refrigerating sheet (413) is fixedly arranged in the mounting groove (412).