CN216355968U - Surge protection device convenient to detect - Google Patents

Abstract

The utility model discloses a surge protector convenient to detect, which comprises a surge module and a base, wherein the base is provided with a microswitch, a driving piece and a first reset piece, the microswitch is used for controlling a remote signaling signal, the microswitch is positioned on the motion trail of the driving piece, one end of the driving piece extends out of the base and is linked with the surge module, one end of the first reset piece is abutted against the driving piece, and the other end of the first reset piece is abutted against the base; the utility model has stable structure, good protectiveness, convenient installation and convenient detection.

Description

Surge protection device convenient to detect

Technical Field

The utility model relates to a protector, in particular to a surge protector convenient to detect.

Background

The surge protector is also called surge protector, which is mainly connected in parallel in a circuit, and when the circuit is struck by lightning, instantaneous overvoltage leaks into the ground through the surge protector.

The existing surge protector comprises a base and a surge module, wherein a micro switch and a remote signal electrically connected with the micro switch are arranged in the base. The surge protector needs to detect before leaving the factory, the existing detection mode is that just can detect operation through installing the surge module, the fault point of the problem that the testing process often takes place breaks down at surge module own trouble or micro-gap switch, the testing personnel need change the surge module many times and test to ensure that the fault point is at surge module or micro-gap switch, complex operation is difficult for detecting, the maintenance.

Disclosure of Invention

The utility model mainly solves the technical problem of providing a surge protector which is convenient to detect.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a surge protector convenient to detect, wherein, includes surge module and base, is equipped with remote signaling signal's of control micro-gap switch, driving piece and the first piece that resets on the base, and micro-gap switch is located the movement track of driving piece, and driving piece one end stretches into the outer and surge module linkage of base, and first piece one end that resets offsets with the driving piece, and the other end offsets with the base.

The driving piece extends out of the base, so that before the surge module is installed, whether the micro switch fails can be manually tested, and product misjudgment caused by failure of the micro switch can be avoided when the remote signaling end transmits the signal to the computer end, and the use convenience of the whole system is improved. The specific detection mode is that the driving piece is manually pressed or released, and the detection effect can be realized. Compared with the prior art, the surge module needs to be replaced for many times when the micro switch fails, and the structure does not need to be installed.

Wherein, the driving piece is provided with a connecting column, and the connecting column partially extends into the surge module.

Adopt the setting of connecting post for the better and surge module cooperation of driving piece realizes the linkage effect between the two, thereby better and micro-gap switch cooperation, thereby realize the effect of remote signalling output.

Wherein, be equipped with the circuit board in the base, micro-gap switch is located the circuit board, and the other end and the circuit board counterbalance of first piece that resets.

Due to the arrangement of the circuit board, the fixing effect of the microswitch is better realized, and the electric connection effect between the microswitch and the remote signaling is better realized. The first reset piece can quickly release the offset effect between the micro switch and the driving piece.

Wherein, the surge module includes the body, and this internal actuating lever and the second piece that resets that is equipped with, the second resets one end and offsets with the actuating lever, and the other end offsets with the body, and the actuating lever offsets the cooperation with the spliced pole.

Through the cooperation of temperature fuse and actuating lever for the fixed of temperature fuse is more convenient. Under initial condition, the temperature fuse passes through low temperature solder joint and is connected with piezo-resistor, and at this moment, the second resets and is located the energy storage state, and when the temperature rose, the low temperature solder joint took place to melt for when the joint strength between temperature fuse and the piezo-resistor was less than the restoring force that the second reset the piece, the second reset piece released the ability, resets fast, thereby realizes the dropout effect, makes the disconnection effect between temperature fuse and the piezo-resistor.

Wherein, be equipped with instruction portion on the top surface of actuating lever, be equipped with perspective hole on the body top surface, perspective hole is located the movement track of instruction portion.

Adopt the setting of instruction portion, under initial condition, because the position of instruction portion distance perspective hole is longer, so the initial condition can't observe the position of instruction portion, and when the temperature was too high, when taking place the dropout, instruction portion moved towards perspective hole, can observe the position of instruction portion this moment to realize indicating effect. The indication part can be a color indication or a character indication.

The first conducting strip is communicated with the grounding conducting strip through the piezoresistor, the temperature fuse and the discharge tube, and the joints among the temperature fuse, the piezoresistor and the discharge tube are all low-temperature welding spots.

The protection circuit has the advantages that firstly, the piezoresistor is matched with the discharge tube, the overall protection efficiency is improved, and meanwhile, the temperature fuse is connected in series in the circuit, so that the overall circuit protection effect is further improved. If the instantaneous overvoltage is too large, the temperature fuse is opened, thereby realizing the protection effect. The cooperation of the low-temperature welding point and the temperature fuse is adopted, the dual-guarantee effect is realized, and when the temperature of the piezoresistor is too high, the low-temperature welding point and the temperature fuse are simultaneously disconnected, so that the protection effect of the whole surge module is ensured.

Wherein, be equipped with first fixed foot on the temperature fuse, be equipped with the through-hole on the actuating lever, first fixed foot stretches into to the through-hole internal fixation.

Through the setting of first fixed foot for better and the actuating lever cooperation of temperature fuse, the better motion of driving temperature fuse of actuating lever.

Wherein, this internal at least a set of protection circuit that is equipped with first partition plate spare between two sets of adjacent protection circuits, and the both sides of first partition plate spare of ground connection conducting strip intercommunication.

Through the setting of first partition plate spare for two sets of protection circuit form the isolation effect, and for among the prior art, two sets of protection circuit are located the both sides of circuit board, make the volume grow of whole module, lead to whole size grow, and adopt this kind of structure, make the holistic thickness of module diminish, form ultra-thin effect.

The base is provided with a base bottom surface, the base is provided with a guide rail groove, the base bottom surface is provided with a reverse hook part facing the guide rail, the reverse hook part is provided with a first fixing groove, the base bottom surface and the buckle part form a second fixing groove, and the other end of the guide rail groove is provided with a third fixing groove.

First fixed slot and the cooperation of third fixed slot for the guide rail groove can realize the fixed effect of installation with the cooperation of G type guide rail. The cooperation of second fixed slot and third fixed slot has realized that the guide rail groove can cooperate with U type guide rail, realizes the fixed effect of double-purpose installation, has improved the convenience that the unit mount maintained.

Wherein, be equipped with the isolation muscle on the first baffle spare, keep apart the muscle and be located between piezo-resistor and discharge tube.

The arrangement of the isolation rib enables an isolation effect to be formed between the piezoresistor and the discharge tube, and the safety between the whole protection circuits is improved.

Wherein, be equipped with first reference column on the first baffle spare, be equipped with the first locating hole with first reference column adaptation on the first conducting strip.

The first positioning column is matched with the first positioning hole, so that the first conducting strip can achieve a better fixing effect.

Wherein, the body is connected with the first partition plate in a buckling manner.

The body is connected with the first partition plate piece in a buckling mode, so that the body is fixedly connected with the first partition plate piece, and the connecting structure is more convenient.

Wherein, the base is provided with a first jack connected with the first conducting strip and a second jack connected with the grounding conducting strip.

Through the arrangement of the surge module, the better protection effect of the surge module is realized, and the lightning protection effect is improved.

The grounding assembly comprises a fixing seat, a first end portion and a second end portion, the first end portion is communicated with the second end portion, the joint of the first end portion and the second end portion is located in the fixing seat and fixed, the first end portion is located on one end of the guide rail groove, the third fixing groove is located on the first end portion, and the second end portion is located on the other end of the guide rail groove and matched with the buckle piece to form a second fixing groove.

The arrangement of the grounding assembly enables the surge module to be connected with the guide rail through the grounding assembly, and therefore the overall grounding leakage effect is achieved.

Wherein, be equipped with first logical groove on the second tip, buckle spare passes first logical groove, and is horizontal motion relatively the second tip.

The cooperation of buckle spare and second tip for the cooperation between buckle spare and the guide rail is better, better realization whole and the guide rail between the cooperation effect.

Wherein, the buckle part is provided with a salient point which is propped against the second end part.

The setting of bump, better and second end connection increase holistic electric connection effect, the bump is the round platform shape moreover for the better realization relative slip's of buckle spare and second end effect.

The clamping device comprises a clamping piece, a first end and a second end, wherein the clamping piece is provided with a clamping hole, the clamping hole is arranged in the clamping piece, and the clamping piece is clamped between the clamping hole and the clamping piece.

The third resets the setting of piece for buckle spare when cooperating with the guide rail, resets through the third that better realization buckle spare offsets fixed effect with the guide rail, when needs remove fixed effect, resets through the third that horizontally slides, and the compression third resets, realizes removing the effect of locking.

The first end part is provided with an elastic part, and the elastic part and the first end part form a third fixing groove.

Due to the arrangement of the elastic part, the connection between the whole body and the guide rail is more convenient.

Drawings

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

FIG. 2 is a sectional view of embodiment 1 of the present invention;

fig. 3 is a schematic structural view of a surge module in embodiment 1 of the present invention;

fig. 4 is a sectional view of a surge module in embodiment 1 of the present invention;

fig. 5 is a partial structural schematic view of a surge module in embodiment 1 of the present invention;

FIG. 6 is a schematic view of the drive rod of FIG. 5 omitted;

fig. 7 is a schematic structural view of a drive rod in embodiment 1 of the utility model;

FIG. 8 is a schematic structural view of a base in embodiment 1 of the present invention;

FIG. 9 is a sectional view of a base in embodiment 1 of the utility model;

fig. 10 is a schematic structural diagram of the grounding assembly and the latch according to embodiment 1 of the present invention.

Detailed Description

Example 1:

referring to fig. 1-10, a surge protector device that facilitates detection includes a surge module 100 and a base 20.

The surge protector in this embodiment is mainly connected in parallel in the circuit, and plays a role in protecting the circuit.

The surge module 100 includes a body 10, and the surge module 100 is integrally fitted with a surge protector, thereby achieving a protection effect on a circuit. The body 10 cooperates with the surge protector, can realize the protective effect on a set of circuit, also can be the protective effect of two sets of circuits, still can be the protective effect of three sets of circuits or four sets of circuits. In this embodiment, after the body 10 is matched with the surge protection device, the protection effect of the two groups of circuits is realized.

Be equipped with two sets of protection circuit in the body 10, be equipped with first partition plate spare 11 between two sets of protection circuit, realize the isolation effect between two sets of protection circuit through first partition plate spare 11. Here, it should be noted that two sets of protection circuits share one grounded conductive sheet 12. Since the two sets of protection circuits are symmetrically arranged, only one set of protection circuits is taken as an example for description in this embodiment.

The protection circuit includes a first conductive sheet 13, a grounded conductive sheet 12, a discharge tube 14, a varistor 15, and a thermal fuse 16.

The first conductive plate 13 is located inside the body 10 and fixed, and has a specific structure that the first partition 11 is provided with a first positioning column 111, and the first conductive plate 13 is provided with a first positioning hole 131 adapted to the first positioning column 111. Through the cooperation of the first positioning column 111 and the first positioning hole 131, the first conductive sheet 13 can achieve a better fixing effect. The first conductive sheet 13 is fixed to the varistor 15 by welding at one end of the body 10, so as to achieve an electrical connection effect, where the welding is specifically high-temperature soldering. The other end of the first conductive sheet 13 extends out of the body 10 to form a first elastic connection pin 132 structure, and the first elastic connection pin 132 is connected to the base to achieve the overall electrical connection effect. Since the present embodiment includes two sets of protection circuits, i.e. two first elastic connection pins 132.

One end of the varistor 15 is connected to the first conductive sheet 13, and the other end of the varistor is connected to the thermal fuse 16, where it should be noted that the joint between the varistor 15 and the thermal fuse 16 is a low-temperature solder joint, and the low-temperature solder joint is formed by soldering with a low-temperature solder tin.

The varistor 15 and the discharge tube 14 are provided in series, and in order to prevent the occurrence of a series current therebetween, the first separator 11 is provided with a spacer 112, and the spacer 112 is located between the varistor 15 and the discharge tube 14. The isolation rib 112 is provided to form an isolation effect between the varistor 15 and the discharge tube 14, thereby improving the safety of the whole protection circuit.

The temperature fuse 16 is connected in series between the voltage dependent resistor 15 and the discharge tube 14, so that the electrical connection effect between the voltage dependent resistor 15 and the discharge tube 14 is realized, and when the temperature in the circuit is too high, the temperature fuse 16 is broken, so that the protection effect of the circuit is realized. And the protection level of the whole is higher and the protection effect is better realized through the double protection effect of the low-temperature welding point and the temperature fuse 16.

Be equipped with first fixed foot 161 on the temperature fuse 16, the temperature fuse 16 is established through first fixed foot 161 cover and is fixed on actuating lever 17 to realize the linkage effect between temperature fuse 16 and the actuating lever 17, melt when the low temperature solder joint, actuating lever 17 can drive temperature fuse 16 and shift up fast, thereby realize the dropout effect.

One end of the discharge tube 14 is connected with the temperature fuse 16, the other end is connected with the grounding conducting strip 12, and the end, connected with the temperature fuse 16, of the discharge tube 14 is also a low-temperature welding point, so that the whole tripping capability is improved.

The grounding conducting strip 12 is one of two sets of protection circuits, namely, the discharge tube 14 in the two sets of protection circuits is electrically connected with the grounding conducting strip 12, the other end of the grounding conducting strip 12 extends out of the body 10, the grounding conducting strip 12 extends out of the body 10 and is provided with a second elastic connecting pin 121, the structure of the second elastic connecting pin 121 is consistent with that of the first elastic connecting pin 132, and the electrical connection effect with the base is realized. In this embodiment, the grounding conductive sheet 12 is mainly matched with the guide rail through the base to realize the grounding effect.

In addition, still be equipped with two sets of tripping device on the body 10, a set of tripping device corresponds a set of protection circuit, and tripping device includes actuating lever 17 and second piece 18 that resets, is equipped with through-hole 172 on the actuating lever 17, and the first fixed foot 161 of temperature fuse 16 stretches into to in the through-hole 172 to realize the fixed effect of being connected between temperature fuse 16 and the actuating lever 17.

The lower end of the driving rod 17 is provided with a fixed cavity 171, the fixed cavity 171 is used for fixing the second reset piece 18, one end of the second reset piece 18 abuts against the top surface of the inner wall of the fixed cavity 171, and the other end of the second reset piece abuts against the bottom surface of the inner wall of the body 10, so that the reset positioning effect of the driving rod 17 is realized. The second return member 18 is preferably a spring here. Further, in this embodiment, be equipped with fixed column 1711 in the fixed cavity 171, fixed column 1711 extends towards actuating lever 17 below to fixed column 1711 wears out outside actuating lever 17, and the piece 18 that resets of second simultaneously also can overlap on fixed column 1711, improves the intensity that resets of second 18.

The fixing of the thermal fuse 16 is facilitated by the cooperation of the thermal fuse 16 with the drive rod 17. Under initial condition, temperature fuse 16 is connected with piezo-resistor 15 through low temperature solder joint, and at this moment, second piece 18 that resets is located the energy storage state, and when the temperature rose, the low temperature solder joint took place to melt for when the joint strength between temperature fuse 16 and piezo-resistor 15 was less than the restoring force of second piece 18 that resets, second piece 18 that resets released energy, resets fast, thereby realizes the dropout effect, makes the disconnection effect between temperature fuse 16 and the piezo-resistor 15.

Further, an indication portion 173 is provided on the top surface of the driving lever 17, a see-through hole 101 is provided on the top surface of the body 10, and the see-through hole 101 is located on the movement locus of the indication portion 173. With the arrangement of the indication part 173, in the initial state, since the indication part 173 is located at a long distance from the see-through hole 101, the position of the indication part 173 cannot be observed in the initial state, and when the temperature is too high and the trip occurs, the indication part 173 moves toward the see-through hole 101, the position of the indication part 173 can be observed at this time, thereby achieving the indication effect. The indication portion 173 may be a color indication or a character indication. Color indication is preferably used in this embodiment.

Through the setting of first partition plate spare 11 for two sets of protection circuit form the isolation effect, for among the prior art, two sets of protection circuit are located the both sides of circuit board, make the volume grow of whole module, lead to whole size grow, and adopt this kind of structure, make the holistic thickness of module diminish, form ultra-thin effect.

In this embodiment, the body 10 is connected to the first partition 11 in a snap-fit manner. The body 10 is connected with the first partition plate 11 in a buckling manner, so that the body 10 is fixedly connected with the first partition plate 11, and the connection is more convenient.

The base 20 is integrally arranged in a concave shape, a concave cavity 201 is arranged in the middle of the base 20, and the concave cavity 201 is mainly used for being matched with the surge module 100 to achieve the electrical connection effect between the surge module 100 and the base 20. Two first jacks 2011 and one second jack 2012 are arranged on the cavity 201, the two first jacks 2011 are respectively connected with the two first conductive sheets 13, so that an electrical connection effect is realized, and the second jack 2012 is connected with the grounding conductive sheet, so that an effect of grounding leakage current is realized.

Because the base 20 is also provided with two corresponding circuits, the base 20 is also provided with a second isolation plate 202, and the second isolation plate 202 isolates the two circuits to form two mutually independent circuits. Since the structure between the two circuits is symmetrically arranged, in this embodiment, only one set of the circuits is described.

The base 20 includes an electrical connection sheet 21, an input end 22, an output end 23, a circuit board 24 and a grounding component 25, the electrical connection sheet 21 connects the input end 22 and the output end 23, the middle position of the electrical connection sheet 21 is electrically connected with the first conductive sheet 13, that is, the first conductive sheet 13 extends into the first insertion hole 2011 and is connected with the electrical connection sheet 21, so that a parallel connection effect is formed. The input end 22 and the output end 23 are consistent in structure and are provided with connecting terminals 221, and the connecting terminals 221 are connected with external wires, so that the effect of communicating the whole circuit is achieved. In this embodiment, the number of the connection terminals 221 of the input terminal 22 in one set of circuits is two, and the two connection terminals 221 are arranged in a step manner, that is, the number of the connection holes is increased. Thus, the input terminals 22 of the two sets of circuits have a total of four connection terminals 221, and the output terminals 23 of the two sets of circuits likewise have four connection terminals 221.

The circuit board 24 is provided with two micro switches 241 for controlling remote signaling signals and remote signaling, where the two micro switches 241 correspond to a set of circuits respectively. The micro switch 241 is used for cooperating with the driving member 26 and the first reset member 27 to achieve the control effect of the switching signal, and the two micro switches 241 have the same action structure, so only one group of structures is described.

The driving member 26 is provided with a connecting column 261, and part of the connecting column 261 extends out of the cavity 201 of the base 20 and extends into the surge module 100 to be connected with the driving rod 17, so as to form a linkage effect. The micro switch 241 is located on the motion track of one end of the driving member 26, the other end of the driving member 26 abuts against the first reset member 27, and the other end of the first reset member 27 abuts against the inner bottom surface of the base 20, so that the effect of connecting and fixing the driving member 26 and the micro switch 241 is realized. In the initial state, the driving member 26 abuts against the micro switch 241 due to the pressing force of the driving rod 17, and the micro switch 241 transmits a signal through remote signaling. When the driving rod 17 is tripped and reset, the pressure applied on the driving element 26 disappears, at this time, under the restoring force of the first resetting element 27, the driving element 26 moves upwards, at this time, the micro switch 241 and the driving element 26 are released from the abutting state, so that another signal is transmitted by the micro switch 241.

It should be further noted that, before the base 20 and the surge module 100 are not installed, the connecting column 261 extends into the cavity 201, and at this time, whether the micro switch 241 fails or not can be manually tested, so that it is ensured that product misjudgment caused by the failure of the micro switch 241 is avoided when the remote signaling terminal is transmitted to the computer terminal, and the overall use convenience is improved. The specific detection mode is to manually press or release the driving member 26, so that the detection effect can be realized.

The grounding assembly 25 includes a fixing base 251, a first end 252 and a second end 253, the first end 252 and the second end 253 are made of metal plate, and are integrally formed, the fixing base 251 is located at a joint of the first end 252 and the second end 253 for fixing the joint, and the position of the fixing base 251 is specifically used for being connected with a grounding conductive sheet, that is, the grounding conductive sheet passes through the second jack 2012 and extends into the fixing base 251, so that the grounding conductive sheet and the grounding assembly 25 are electrically connected.

One end of the first end portion 252 is connected to the second end portion 253, the other end of the first end portion 252 protrudes out from the bottom surface of the base 20, and is fixed to one end of the rail groove 203, an elastic portion 2521 is disposed on the end, the elastic portion 2521 is disposed obliquely downward, a third fixing groove 2522 is formed by the elastic portion 2521 and the first end portion 252 in a matching manner, the third fixing groove 2522 is used for matching with the rail, that is, one side of the rail extends into the third fixing groove 2522, so that the rail is fixed, and at the same time, an effect of conducting current leakage is achieved.

One end of the second end portion 253 is connected with the first end portion 252, the other end of the second end portion 253 penetrates out of the bottom surface of the base 20 and is located at the other end of the guide rail groove 203 to be fixed, and the first end portion 252 and the second end portion 253 are respectively arranged at two ends of the guide rail groove 203 to achieve the fixing effect of the guide rail.

The second end 253 is mainly matched with the fastener 28 to realize the fixing effect of the guide rail. The second end 253 is located one end of the guide rail groove 203 and is provided with a first through groove 2531 and a second through groove 2532, the first through groove 2531 is arranged in a ladder shape, the second through groove 2532 is arranged on a plane below the first through groove 2531, a third reset piece 2533 is arranged in the second through groove 2532, one end of the third reset piece 2533 abuts against the second through groove 2532, the other end of the third reset piece abuts against a buckle piece 28 penetrating through the second through groove 2532, the third reset piece 2533 is arranged, so that when the buckle piece 28 is matched with the guide rail, the effect of abutting and fixing the buckle piece 28 and the guide rail is better realized through the third reset piece 2533, when the fixing effect is required to be released, the third reset piece 2533 is compressed through horizontal sliding of the third reset piece 2533, and the locking releasing effect is realized. The third restoring member 2533 is here preferably a spring. Furthermore, in order to better achieve the fixing effect of the third restoring member 2533, a positioning protrusion 2534 extending toward the second through groove 2532 is disposed in the second through groove 2532, and an end of the first restoring member 27 is sleeved on the positioning protrusion 2534.

The latch 28 engages the second end 253 to secure the rail. The locking member 28 passes through the second through groove 2532 and the first through groove 2531 and extends toward the rail groove 203, the locking member 28 is provided with a reverse hook portion 281 at the end, the reverse hook portion 281 is provided with a first fixing groove 282, and meanwhile, the locking member 28 and the second end 253 cooperate to form a second fixing groove 283. When the guide rail is a U-shaped guide rail, both sides of the U-shaped guide rail respectively abut against the second fixing groove 283 and the third fixing groove 2522, so that the fixing effect of the U-shaped guide rail is realized, and the conductive drainage effect is also realized. When the guide rail is a G-type guide rail, one side of the G-type guide rail abuts against the first fixing groove 282 and the other end abuts against the third fixing groove 2522, thereby achieving the fixing effect of the G-type guide rail and also achieving the effect of conductive drainage. It should be noted that the latch 28 is made of a metal conductive material.

Further, in order to improve the electrical conductivity between the locking member 28 and the second end 253, a bump 284 is disposed on the locking member 28, and the bump 284 abuts against the second end 253. The bump 284 is better connected with the second end 253 to increase the overall electrical connection effect, and the bump 284 is in a truncated cone shape, so that the buckling piece 28 and the second end 253 can better realize the relative sliding effect. In this embodiment, bumps 284 are preferably silver dots.

Claims (10)

1. A surge protector convenient to detect which characterized in that: including surge module and base, be equipped with the micro-gap switch, the driving piece and the first piece that resets of control remote signalling signal on the base, micro-gap switch is located the movement track of driving piece, and driving piece one end stretches into the base outer with the surge module linkage, and first piece one end that resets offsets with the driving piece, and the other end offsets with the base.

2. A surge protector device that facilitates testing as recited in claim 1, wherein: the driving piece is provided with a connecting column, and the connecting column partially extends into the surge module.

3. A surge protector device that facilitates testing as recited in claim 2, wherein: be equipped with the circuit board in the base, micro-gap switch is located the circuit board, and the other end and the circuit board counterbalance of first piece that resets.

4. A surge protector device that facilitates testing as recited in claim 3, wherein: the surge module includes the body, and this internal actuating lever and the second piece that resets that is equipped with, and the second resets one end and offsets with the actuating lever, and the other end offsets with the body, and the actuating lever offsets the cooperation with the spliced pole.

5. A surge protector device that facilitates testing as recited in claim 4, wherein: the top surface of the driving rod is provided with an indicating part, the top surface of the body is provided with a perspective hole, and the perspective hole is positioned on the motion track of the indicating part.

6. A surge protector device that facilitates testing as recited in claim 4, wherein: the body is internally provided with a first conducting strip connected with the outside, a grounding conducting strip connected with a ground wire, a discharge tube, a piezoresistor and a temperature fuse, wherein the first conducting strip is communicated with the grounding conducting strip through the piezoresistor, the temperature fuse and the discharge tube, and the joints among the temperature fuse, the piezoresistor and the discharge tube are low-temperature welding spots.

7. A surge protector device that facilitates testing as recited in claim 6, wherein: this internal at least a set of protection circuit that is equipped with first partition plate spare between two sets of adjacent protection circuits, and the both sides of first partition plate spare of ground connection conducting strip intercommunication.

8. A surge protector device that facilitates testing as recited in claim 1, wherein: the base is provided with a base bottom surface, the base is provided with a guide rail groove, the base bottom surface is provided with a reverse hook part facing the guide rail, the reverse hook part is provided with a first fixing groove, the base bottom surface and the buckle part form a second fixing groove, and the other end of the guide rail groove forms a third fixing groove.

9. A surge protector device that facilitates testing as recited in claim 8, wherein: still include the ground connection subassembly, the ground connection subassembly includes fixing base, first end and second end intercommunication, and junction between them is located the fixing base internal fixation, and first end is located one in guide rail groove and serves, and the third fixed slot is located first end, and the second end is located the other end in guide rail groove and forms the second fixed slot with the cooperation of buckle spare.

10. A surge protector device that facilitates testing as recited in claim 9, wherein: the second end portion is provided with a first through groove, and the fastener penetrates through the first through groove and moves horizontally relative to the second end portion.

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