CN206340833U - A kind of three-phase alternating-current supply lightning protection box - Google Patents
A kind of three-phase alternating-current supply lightning protection box Download PDFInfo
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- CN206340833U CN206340833U CN201720041411.4U CN201720041411U CN206340833U CN 206340833 U CN206340833 U CN 206340833U CN 201720041411 U CN201720041411 U CN 201720041411U CN 206340833 U CN206340833 U CN 206340833U
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- enclosing cover
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model is related to a kind of three-phase alternating-current supply lightning protection box, including Stainless Steel Shell, stainless steel enclosing cover, protect dividing plate, electric cabinet door is locked, surge protection component, three miniature circuit breakers, lightning stroke counter, detection module, protect wire, earth lead, some transfer wires, stainless steel installing plate, protection wire two ends are fixed in stainless steel enclosing cover and Stainless Steel Shell, surge protection component is arranged on stainless steel installing plate with miniature circuit breaker, transfer wire two ends are connected on surge protection component and miniature circuit breaker, stainless steel installing plate is arranged in stainless steel case body, detection module is arranged on outside stainless steel and covered, lightning stroke counter is arranged on outside stainless steel and covered, protection dividing plate is arranged in Stainless Steel Shell and on the outside of stainless steel installing plate.The utility model has the advantages that reasonable scientific structure design, efficiency high easy to assembly, good water-proof effect, security performance are high；Meanwhile, also with good lightning protection properties, it can effectively ensure the safety of electric equipment.
Description
Technical field
The utility model is related to lightning protection of electric appliance technical field, particularly a kind of three-phase alternating-current supply lightning protection box.
Background technology
With the change of global climate, Lightning Disaster accident frequency substantially increases.When thunder and lightning is acted on electric wire,
High electric current can be produced on electric wire, these electric currents can be flowed on the electric equipment connected with electric wire with electric wire, work as electricity
Device equipment apart from the wire that thunder and lightning is acted on it is nearer when, can cause serious damage to the electronic component in electric equipment, or even hair
The major accidents such as raw on fire, blast, the property safety and residential security given people brings strong influence.Although, at present
The device for lightning protection is occurred in that, but such device also has the following disadvantages:Waterproof effect is poor, security performance is low, complex structure,
Assemble big difficulty, low production efficiency, the deficiencies such as positioning difficulty is big, labor strength is big are installed.So necessary to existing anti-
Thunder device proposes new design.Meanwhile, current lightning protection device is typically mounted in casing, and in order to prevent that it is excessive that casing from taking
Space and reduce the manufacturing cost of casing, the volume of its casing is typically small, and its inner space is also just more narrow.At this
Lightning protection electrical equipment is installed in being installed in narrow space and other auxiliary electrical element operations are very constant, be greatly affected
The packaging efficiency of lightning protection device.Also, much existing casings are that sheet metal is processed, and are easily left in the edge of casing
Sharp corner angle, workman is when carrying out assembly operation, and hand can be usually scratched, and both brings unnecessary wound to assembling workman
Evil, can equally influence packaging efficiency.The wire of existing lightning protection device is more, is set by lightning protection electrical equipment and auxiliary electrical element
After putting in casing, wire is freely to place mostly, does not make any fixation to wire.Due to general on the cover of casing
Lockset and some auxiliary elements can be installed.In handling process, wire is easily hung on lockset or auxiliary element, is opening cover
When, it can make it that the situation of loose or dislocation occurs in wire, influence the security used.Moreover, so can also hinder the tune to electronic box
Section.During lightning protection device use, it is even more life security of the entail dangers to operator such situation occur, and it exists larger
Potential safety hazard.
Utility model content
The purpose of this utility model is to solve the above problems and not enough there is provided a kind of three-phase alternating-current supply lightning protection box, should
Three-phase alternating-current supply lightning protection box has reasonable scientific structure design, efficiency high easy to assembly, good water-proof effect, security performance height etc.
Advantage；Meanwhile, also with good lightning protection properties, it can effectively ensure the safety of electric equipment.
What the technical solution of the utility model was realized in：
A kind of three-phase alternating-current supply lightning protection box, its feature be include Stainless Steel Shell, stainless steel enclosing cover, protection dividing plate,
If electric cabinet door lock, surge protection component, three miniature circuit breakers, lightning stroke counter, detection module, protection wire, earth lead,
Dry transfer wire, stainless steel installing plate, wherein Stainless Steel Shell offer accommodating chamber on front, and the accommodating chamber accent is provided with
The extension extended to inner side, the extension outer surface makes lug boss be centered around accommodating chamber chamber provided with a circle lug boss
A circle groove is offered on mouth surrounding, the lug boss surrounding lateral wall；Offered on the Stainless Steel Shell bottom surface it is some with
The first perforation that accommodating chamber connects；The accommodating chamber or so cavity wall is provided with positioning strip, and the positioning strip is provided with the second perforation；
Recess cavity is offered on the stainless steel enclosing cover inwall；The surge protection component includes three piezo-resistance modules, discharge tubes
Module, mounting seat, the mounting seat is provided with three live wire access terminals, neutral conductor access terminal, ground terminal, and three pressure-sensitive
Resistive module with electric discharge tube module be inserted into respectively in mounting seat, and make three terminals of piezo-resistance module one respectively with three
Live wire access terminal is electrically connected, discharge the terminals of tube module one and ground terminal is electrically connected, and also makes three piezo-resistance moulds
Another terminals of block respectively with the neutral conductor access terminal be electrically connected, another terminals of the tube module that discharges also with neutral conductor incoming end
Son is electrically connected；The lightning stroke counter includes signal acquisition part, display screen, SR, shell, control circuit module, institute
Display screen, SR, control circuit module is stated to be separately positioned on shell, and make display screen and SR respectively with control
Circuit module is electrically connected, and the signal acquisition part is electrically connected by wire with control circuit module；The detection module bag
Start button, four indicator lamps, control boards are included, the start button is respectively provided at control board with four indicator lamps
On；The protection wire is the strand copper wire that diameter is not less than 3.5mm；The earth lead is the multiply that diameter is not less than 6mm
Copper cash；The transfer wire is the strand copper wire that diameter is not less than 6.5mm；The side of stainless steel enclosing cover one is hinged on extension
On so that the recess cavity of stainless steel enclosing cover can be fastened on lug boss free-open-close, the recessed cavity wall be provided with it is convex
Play the corresponding soft rubber cushion in portion position；The electric cabinet door lock, which is arranged on outside stainless steel, to be covered, to be locked by electric cabinet door by outside stainless steel
Cover lock is scheduled in Stainless Steel Shell；Metal contiguous block is welded with the stainless steel installing plate, the metal contiguous block is provided with
Metal connecting piece, the metal connecting piece one end is bolted on metal contiguous block, and the metal connecting piece other end is set
There is the metal connection end that section is letter-c-shaped；The stainless steel installing plate is provided with two clamp rails laterally set, the surge
The mounting seat of protection component is slideably installed in one of clamp rail, and three miniature circuit breakers are slideably installed on another
Individual clamp rail, three live wires access terminal of the surge protection component is mutually electric with three miniature circuit breakers respectively by transfer wire
Connection, described earth lead one end and the ground terminal of surge protection component are electrically connected, the earth lead other end setting-in
On metal connection end；The stainless steel installing plate is arranged in accommodating chamber and fixed by screw；The detection module is set
In the recess cavity of stainless steel enclosing cover, covered outside the stainless steel offer respectively four it is corresponding with four indicator lamp positions
Covered outside unthreaded hole, the stainless steel and be further opened with being additionally provided with gold in handle hole corresponding with start button position, the recess cavity
Belong to protective cover, the protective cover cover is put on detection module；Three piezo-resistance modules, electric discharge tube module pass through respectively
Be electrically connected through biperforate wire with control board, and by plastic spiral protective case by each wrapped in wire together；
The shell of the lightning stroke counter is set in outside stainless steel and covered, and the display screen on shell is located at stainless steel with SR
Outer exterior surface side；The signal acquisition part is sleeved on earth lead；Described protection wire one end is fixed in accommodating chamber
On wall, the protection wire other end is fixed on recessed cavity wall；The protection dividing plate is arranged in accommodating chamber, and passes through spiral shell
Protection dividing plate or so side is separately fixed on two positioning strips by nail, and the stainless steel installing plate is located on the inside of protection dividing plate,
The first resigning hole together passed through for the controlling switch of three miniature circuit breakers is offered on the protection dividing plate, in protection dividing plate
The second resigning hole together passed through for three piezo-resistance module outer ends and electric discharge tube module outer end is offered on also.
The beneficial effects of the utility model：（1）In lightning protection box of the present utility model provided with protection dividing plate, wherein, protection every
Plate is arranged in accommodating chamber, and by screw dividing plate or so side will be protected to be separately fixed on two positioning strips, and is made stainless
Steel installing plate is located on the inside of protection dividing plate, and the controlling switch offered on protection dividing plate for three miniature circuit breakers is together worn
The first resigning hole crossed, protection dividing plate also on offer for three piezo-resistance module outer ends and electric discharge tube module outer end together
The second resigning hole passed through.Set by such, can be by surge protection component, three miniature circuit breakers and metal contiguous block
On wire cover up, prevent on component that wire is suspended on the inside of stainless steel enclosing cover so that, prevent that loose or dislocation from occurring in wire
Situation, it is to avoid the generation of security incident, it is ensured that the safety of operator.Meanwhile, such structure design is not interfered with not only
The operating characteristics of lightning protection box, moreover it is possible to played a very good protection to wire and electrical equipment, prevents from being suspended in operating process
Wire or electrical equipment, so as to reduce the probability of its infringement, improve the service life of lightning protection box.（2）Set in the utility model
There is stainless steel installing plate, metal contiguous block, two clamp rails are provided with stainless steel installing plate.Wherein, the peace of surge protection component
Dress seat is slideably installed in one of clamp rail, and three miniature circuit breakers are slideably installed on another clamp rail, so
When stainless steel installing plate is installed into accommodating chamber, surge protection component, three miniature circuit breakers first can be arranged on stainless steel
Installing plate, is not in thus the situation of the assembly operation inconvenience brought because operating space is narrow and small, assembly operation will more
It is convenient, both it is avoided that assembling workman, by unnecessary injury, can improve the packaging efficiency of lightning protection box again.（3）The utility model
Surge protection component include three piezo-resistance modules, electric discharge tube module, mounting seat, and by above-mentioned attachment structure by wave
Gush protection component and be arranged on stainless steel installing plate.It can efficiently separate the neutral conductor and ground wire, pass through the electric discharge in tube module of discharging
Pipe provides the electrical equipment insulation blocking effect between N-PE, with very good protective value.And it uses common differential mode protection
Pattern, the electric equipment that can be given in circuit provides perfect protection.And it also has good lightning protection properties, is effective to ensure that
The safety of electric equipment in circuit.（4）Miniature circuit breaker is provided with the utility model, is so broken down in surge protection component
When, quick connecting and disconnecting of the circuit can be realized by miniature circuit breaker, the maintenance operation of workman is very easy to.（5）This practicality
Lightning stroke counter is provided with new, workman can rapidly view the number of lightning strokes in circuit by the display screen of lightning stroke counter
Or surge number of times.Workman can be according to the majority of number of lightning strokes, the selective electronic component checked in lightning protection box, number of lightning strokes
The unpacking emphasis inspection of more progress, number of lightning strokes is seldom or without number of lightning strokes just without OOBA.Thus can be effectively
The labor intensity of workman is reduced, the efficiency and accuracy checked is improved.（6）Detection module is provided with the utility model, in detection
During, workman need to only press the start button on detection module, and four indicator lamps will reveal different colors.Wherein four
Indicator lamp corresponds to three piezo-resistance modules and electric discharge tube module respectively, and such workman just can be according to the color for corresponding to indicator lamp
Rapidly judge whether the electronic component connected therewith breaks down.It is such to design the labor intensity for greatly reducing workman,
And the efficiency of inspection is improved, and it is effectively guaranteed the accuracy of inspection.（7）The utility model can be realized soon by clamp rail
Speed installs the effect of surge protection component and miniature circuit breaker.Simultaneously, moreover it is possible to conveniently increase other electron component, the electronics is manufactured
During element, the bayonet socket matched with clamp rail need to be only produced on the electronic component, the Fast Installation of the electronic component is can be achieved with.
Because surge protection component can realize slip with miniature circuit breaker in corresponding clamp rail, so as to facilitate workman's regulation wave
The position of protection component and miniature circuit breaker is gushed, the situation of wire winding is prevented.Also it is avoided that the feelings of tension occurs in wire
Condition, and then avoid connection end from coming off, it is ensured that using for lightning protection box is safe, and prevents electric leakage or be unable to lightning protection feelings
Condition.Meanwhile, such structure can also reduce the assembling difficulty of lightning protection box, improve the packaging efficiency of lightning protection box.（8）The utility model
Overall structure set very scientific and reasonable, the overall assembling difficulty of lightning protection box can be effectively reduced, the group of lightning protection box is improved
Efficiency is filled, and reduces the manufacturing cost of lightning protection box.Meanwhile, the protection wire is the multiply copper that diameter is not less than 3.5mm
Line；The earth lead is the strand copper wire that diameter is not less than 6mm；The transfer wire is the multiply that diameter is not less than 6.5mm
Copper cash；Such lightning protection properties for being designed to effectively improve lightning protection box, and ensure the safety of electric equipment in circuit.
（9）The utility model covers outside stainless steel by offering accommodating chamber in Stainless Steel Shell and offers recess cavity.Meanwhile,
Surge protection component, three miniature circuit breakers, lightning stroke counter, detection modules are located in accommodating chamber or recess cavity respectively,
These electric equipments can be played a very good protection after stainless steel enclosing cover closure.Also, on accommodating chamber accent extension,
The setting of lug boss, groove, and it is additionally provided with recess cavity soft rubber cushion.Lug boss outer surface is to top after stainless steel enclosing cover closure
Put in soft rubber cushion, can not only so reduce noise during closing, moreover it is possible to improve the sealing property of accommodating chamber, it is to avoid mosquito enters
Enter into accommodating chamber, reduce the damage of each electric elements, improve the service life of lightning protection box.When rainwater is trickled down in lightning protection box,
Entered even in rainwater behind the fastening gap between Stainless Steel Shell and stainless steel enclosing cover, rainwater can only be also flow in groove,
Then flowed out from the bottom of lightning protection box, it is impossible to be flowed into accommodating chamber, can effectively protect the electric elements in accommodating chamber,
Ensure the performance of lightning protection box.Lightning protection box scientific structure design of the present utility model is reasonable, with good water-proof effect, security
The advantages of energy height, long service life.
Brief description of the drawings
Fig. 1 is the structural representation in the utility model main view direction.
Fig. 2 is one of dimensional structure diagram of the utility model stainless steel enclosing cover open mode.
Fig. 3 is the two of the dimensional structure diagram of the utility model stainless steel enclosing cover open mode（Remove protection every
Plate）.
Fig. 4 is part-structure schematic diagram of the present utility model.
Fig. 5 is the structural representation of lightning stroke counter in the utility model.
Fig. 6 is the structural representation of detection module in the utility model.
Fig. 7 is the structural representation of Stainless Steel Shell in the utility model.
Fig. 8 is the cross section structure diagram of Stainless Steel Shell in the utility model.
Fig. 9 is the structural representation of stainless steel enclosing cover in the utility model.
Figure 10 is the structural representation of metal connecting piece in the utility model.
Figure 11 is the structural representation of protection dividing plate in the utility model.
Embodiment
As shown in Figure 1 to Figure 3, a kind of three-phase alternating-current supply lightning protection box described in the utility model, including Stainless Steel Shell
1st, stainless steel enclosing cover 2, protection dividing plate 3, electric cabinet door lock 4, surge protection component 5, three miniature circuit breakers 6, lightning stroke counter 7,
Detection module 8, protection wire 9, earth lead 10, some transfer wires 20, stainless steel installing plate 30, wherein, such as Fig. 2, Fig. 3,
Shown in Fig. 7 and Fig. 8, accommodating chamber 11 is offered on the front of Stainless Steel Shell 1, the accent of accommodating chamber 11 is provided with to inner side
The extension 12 of extension, the outer surface of extension 12 makes lug boss 13 be centered around accommodating chamber provided with a circle lug boss 13
A circle groove 131 is offered on 11 accent surroundings, the surrounding lateral wall of lug boss 13；Opened on the bottom surface of Stainless Steel Shell 1
Provided with some the first perforation 14 connected with accommodating chamber 11；The cavity wall of accommodating chamber 11 or so is provided with positioning strip 15, described
Positioning strip 15 is provided with the second perforation 151.As shown in Fig. 2, Fig. 3, Fig. 9, recess cavity is offered on the inwall of stainless steel enclosing cover 2
21.As shown in figure 4, the surge protection component 5 includes three piezo-resistance modules 51, electric discharge tube module 52, mounting seat 53, institute
Mounting seat 53 is stated provided with three live wire access terminals 531, neutral conductor access terminal 532, ground terminal 533, three pressure-sensitive electricity
Resistance module 51 is inserted into mounting seat 53 respectively with electric discharge tube module 52, and makes three terminals of piezo-resistance module 51 1 difference
It is electrically connected with three live wires access terminals 531, discharges the terminals of tube module 52 1 and ground terminal 533 is electrically connected, is also made
Three another terminals of piezo-resistance module 51 are electrically connected with neutral conductor access terminal 532 respectively, the tube module 52 that discharges is another
Terminals are also electrically connected with neutral conductor access terminal 532.As shown in Figure 1 and Figure 5, the lightning stroke counter 7 is adopted including signal
Collect part 71, display screen 72, SR 73, shell 74, control circuit module, the display screen 72, SR 73, control electricity
Road module is separately positioned on shell 74, and display screen 72 is electrically connected respectively with control circuit module with SR 73,
The signal acquisition part 71 is electrically connected by wire with control circuit module.As shown in fig. 6, the detection module 8 includes opening
Dynamic button 81, four indicator lamps 82, control boards 83, the start button 81 and four indicator lamps 82 are respectively provided at control electricity
On road plate 83.The protection wire 9 is the strand copper wire that diameter is not less than 3.5mm；The earth lead 10 is not less than for diameter
6mm strand copper wire；The transfer wire 20 is the strand copper wire that diameter is not less than 6.5mm.As shown in Figures 2 and 3, it is described not
The side of rust steel enclosing cover 2 one is hinged in extension 12 so that the recess cavity 21 of stainless steel enclosing cover 2 can be fastened on free-open-close it is convex
Rise in portion 13, the inwall of recess cavity 21 is provided with soft rubber cushion 211 corresponding with the position of lug boss 13；As shown in Figure 1 to Figure 3,
The electric cabinet door lock 4 is arranged on stainless steel enclosing cover 2, so that stainless steel enclosing cover 2 is locked in into Stainless Steel Shell by electric cabinet door lock 4
On 1；As shown in Fig. 3, Fig. 4 and Figure 10, metal contiguous block 111, the metal connection are welded with the stainless steel installing plate 30
Block 111 is provided with metal connecting piece 112, and the one end of metal connecting piece 112 is fixed on metal contiguous block 111 by bolt 40,
The other end of metal connecting piece 112 is provided with the letter-c-shaped metal connection end 1121 in section, the stainless steel installing plate 30
Provided with two clamp rails 113 laterally set, the mounting seat 53 of the surge protection component 5 is slideably installed on one of card
On rail 113, three miniature circuit breakers 6 are slideably installed on another clamp rail 113, three fire of the surge protection component 5
Line access terminal 531 be electrically connected respectively with three miniature circuit breakers 6 by transfer wire 20, described one end of earth lead 10 with
The ground terminal 533 of surge protection component 5 is electrically connected, and the other end of earth lead 10 is inlaid in metal connection end 1121
On；As shown in Figures 2 and 3, the stainless steel installing plate 30 is arranged in accommodating chamber 11 and fixed by screw；Such as Fig. 1 to figure
3rd, shown in Fig. 9, the detection module 8 is arranged in the recess cavity 21 of stainless steel enclosing cover 2, is opened respectively on the stainless steel enclosing cover 2
Provided with four loopholes 22 corresponding with four positions of indicator lamp 82, it is further opened with and start button on the stainless steel enclosing cover 2
Protective cover 24 is additionally provided with the corresponding handle hole 23 in 81 positions, the recess cavity 21, the protective cover 24 cover is put in inspection
Survey in module 8；Three piezo-resistance modules 51, electric discharge tube module 52 pass through the wire 60 through the second perforation 151 respectively
It is electrically connected, and is wrapped up each wire 60 together with control board 83 by plastic spiral protective case 50；Such as Fig. 1 to Fig. 3 institutes
Show, the shell 74 of the lightning stroke counter 7 is set on stainless steel enclosing cover 2, and make display screen 72 on shell 74 with reset by
Button 73 is located at the outer surface side of stainless steel enclosing cover 2；The signal acquisition part 71 is sleeved on earth lead 10；Such as Fig. 2 and Fig. 3 institutes
Show, described protection wire 9 one end is fixed on the inwall of accommodating chamber 11, the protection other end of wire 9 is fixed in recess cavity 21
On wall；As shown in figs. 2 and 11, the protection dividing plate 3 is arranged in accommodating chamber 11, and will protect dividing plate 3 or so by screw
Side is separately fixed on two positioning strips 15, and the stainless steel installing plate 30 is located at the inner side of protection dividing plate 3, the protection dividing plate
The first resigning hole 31 together passed through for the controlling switch of three miniature circuit breakers 6 is offered on 3, protection dividing plate 3 also on open
Provided with the second resigning hole 32 together passed through for three outer ends of piezo-resistance module 51 and electric discharge tube module 52 outer end.This practicality is new
The lightning protection box of type is used to be connected in parallel on three-phase alternating current, and lightning protection effect is played with the transmission line of electricity of three-phase alternating current with to.This reality
In new, the setting of wire 9 is protected, stainless steel enclosing cover 2 can be made to realize good ground connection performance, be conducive to improving lightning protection box
Security performance.The first perforation 14 in Stainless Steel Shell 1 is used to place wire, in the case of, can use sealed film
First perforation 14 is covered up, to play a part of protecting the internal electronic element of accommodating chamber 11.Four instructions of detection means 8
Lamp 82 can reflect three piezo-resistance modules 51, the electric discharge use state of tube module 52 respectively.The display of the lightning stroke counter 7
Screen 72 is to show the number of lightning strokes that signal acquisition part 71 is collected.Section is made into metal connection end 1121 letter-c-shaped
Structure, will so be formed with notch on metal connection end 1121.In connecting wire, the termination of wire need to only be filled in
Enter into the notch on metal connection end 1121, the connection that wire can be achieved then is clamped by pliers, it is easy for installation
Fast.The setting of the perforation of the utility model second 151 can facilitate the wire 60 between detection means 8 and surge protection component 5
Pass through, to avoid wire 60 from being interfered with protection dividing plate 3, such design is very ingenious.Each wire 60 is passed through into plastic spiral
Rotation protective case 50 is wrapped up together, and both each wire 60 can be played a very good protection, moreover it is possible to facilitate the installation of wire 60 with
Arrange.
Lightning protection box of the present utility model is in use, be three miniature circuit breakers 6 is connected to the three of three-phase alternating current
On bar live wire, the neutral conductor of surge protection component 5 is accessed terminal 532 and connect with the neutral conductor of three-phase alternating current, meanwhile, will
Wire one end with strand copper wire is connected to metal contiguous block 111, and the guiding other end is connected into the earth.In three-phase alternating current
Under normal circumstances, this lightning protection box is in that open-circuit condition is between high resistant, i.e. transmission line and ground wire over the ground to transmission line, to normal transmission
And the normal operation of electrical equipment does not have any influence.When on three-phase alternating current electric transmission line because of thunderbolt, industrial surge and transition etc.
Reason and when forming transient overvoltage, lightning-protection module is within the extremely short time（Nanosecond）Conducting even short circuit over the ground rapidly, will
Lightning current leaks into the earth, and power supply transmission line overvoltage is clamped in the safety value that electrical equipment can be born, makes to be protected
Electronic equipment and miscellaneous equipment exempt from the impact of high voltage surge, it is ensured that safety.Lightning-protection module is again rapid extensive after lightning current
Multiple high-impedance state, therefore, this power lightning protection box can effectively suppress lightning wave, the transmission of the contour pressure of industrial surge on the transmission line,
With good lightning protection effect.Wherein, in order to quickly distinguish the corresponding electronic component of each indicator lamp 82, three pressures can indicated
L1, L2, L3 mark are sticked by three indicator lamps 82 of working condition of quick resistive module 51 respectively, while connecting in Deictic Center line
Connect the mark that N is sticked by the indicator lamp 82 of state.So after lightning protection box is installed, in the case of switching on power, by startup
Button 81, L1, L2, L3 blue lamp is bright, represents that lightning-protection module is working properly in case, can put into and normally use.By start button 81,
If the corresponding indicator lamp of L1, L2, L3 does not work, should checking each phase line, center line and ground wire, whether wiring is good, and find L1,
In corresponding three indicator lamps of L2, L3, have wherein one when not working, should check module whether failure or loose contact, open not
Rust steel enclosing cover 2 checks whether module indication window is changed into red from green, if module should be changed in time by being changed into red, more changes the mold
Without disconnecting external power during block.Miniature circuit breaker 6 is disconnected into i.e. replaceable module.Lightning stroke counter 7 of the present utility model is recorded
Circuit Lightning Over-voltage number of times, sensitivity is to be recorded once per kilo-ampere.
Provided with protection dividing plate 3 in lightning protection box of the present utility model, wherein, protection dividing plate 3 is arranged in accommodating chamber 11, and is led to
Crossing screw will protect the side of dividing plate 3 or so to be separately fixed on two positioning strips 15, and stainless steel installing plate 30 is located at protection
The inner side of dividing plate 3, and the first resigning together passed through for the controlling switch of three miniature circuit breakers 6 is offered on protection dividing plate 3
Hole 31, protection dividing plate 3 also on offer and together passed through for three outer ends of piezo-resistance module 51 and electric discharge tube module 52 outer end
The second resigning hole 32.Set by such, can be by surge protection component 5, three miniature circuit breakers 6 and metal contiguous block
Wire on 111 is covered up, and prevents that wire is suspended on the component of the inner side of stainless steel enclosing cover 2, so that, prevent that wire from loosening
Situation about coming off, it is to avoid the generation of security incident, it is ensured that the safety of operator.Meanwhile, such structure design not but not
Influence the operating characteristics of lightning protection box, moreover it is possible to wire and electrical equipment are played a very good protection, prevented in operating process
Wire or electrical equipment are suspended to, so as to reduce the probability of its infringement, the service life of lightning protection box is improved.Set in the utility model
There is stainless steel installing plate 30, metal contiguous block 111, two clamp rails 113 are provided with stainless steel installing plate 30.Wherein, surge is protected
The mounting seat 53 of protecting assembly 5 is slideably installed in one of clamp rail 113, three miniature circuit breakers 6 slideably clamp
, can be first by surge protection component 5, three so when stainless steel installing plate 30 is installed into accommodating chamber 11 in another clamp rail 113
Individual miniature circuit breaker 6 is arranged on stainless steel installing plate 30, is not in thus the assembling behaviour brought because operating space is narrow and small
Make the situation of inconvenience, assembly operation will be more convenient, be both avoided that assembling workman, by unnecessary injury, can improve lightning protection again
The packaging efficiency of case.Surge protection component 5 of the present utility model includes three piezo-resistance modules 51, electric discharge tube module 52, peace
Seat 53 is filled, and surge protection component 5 is arranged on by stainless steel installing plate 30 by above-mentioned attachment structure.During it can be efficiently separated
Property line and ground wire, the electrical equipment insulation blocking provided by the discharge tube in tube module 52 that discharges between N-PE is acted on, with very
Good protective value.And it uses common differential mode protected mode, the electric equipment that can be given in circuit provides perfect protection.And
It also has good lightning protection properties, is effective to ensure that the safety of electric equipment in circuit.Provided with small-sized in the utility model
Breaker 6, so when surge protection component 5 breaks down, quick connecting and disconnecting of the circuit can be realized by miniature circuit breaker 6,
It is very easy to the maintenance operation of workman.Lightning stroke counter 7 is provided with the utility model, workman can pass through lightning stroke counter 7
Display screen 72 rapidly view number of lightning strokes or surge number of times in circuit.Workman can according to the majority of number of lightning strokes,
The electronic component checked in lightning protection box of selectivity, the more progress of number of lightning strokes is unpacked emphasis inspection, number of lightning strokes seldom or
Without number of lightning strokes just without OOBA.The labor intensity of workman can be thus effectively reduced, the efficiency and standard checked is improved
True property.Detection module 8 is provided with the utility model, in detection process, workman need to only press the start button on detection module 8
81, four indicator lamps 82 will reveal different colors.Wherein four indicator lamps 82 correspond to three piezo-resistance modules 51 respectively
With electric discharge tube module 52, such workman just can rapidly judge the electronics member connected therewith according to the color of correspondence indicator lamp 82
Whether part breaks down.It is such to design the labor intensity for greatly reducing workman, and the efficiency of inspection is improved, and effectively
Ground ensure that the accuracy of inspection.The utility model can realize that Fast Installation surge protection component 5 breaks with small-sized by clamp rail 113
The effect of road device 6.Simultaneously, moreover it is possible to conveniently increase other electron component, only need to be on the electronic component when manufacturing the electronic component
The bayonet socket matched with clamp rail 113 is produced, the Fast Installation of the electronic component is can be achieved with.Due to, surge protection component 5 with it is small
Type breaker 6 can realize slip in corresponding clamp rail 113, so as to facilitate workman adjust surge protection component 5 with it is small-sized
The position of breaker 6, prevents the situation of wire winding.Also it is avoided that the situation of tension occurs in wire, and then avoids connection
End comes off, it is ensured that using for lightning protection box is safe, and prevents electric leakage or be unable to lightning protection situation.Meanwhile, such knot
Structure can also reduce the assembling difficulty of lightning protection box, improve the packaging efficiency of lightning protection box.Overall structure of the present utility model is set very
It is scientific and reasonable, the overall assembling difficulty of lightning protection box can be effectively reduced, the packaging efficiency of lightning protection box is improved, and reduced anti-
The manufacturing cost of thunder case.Meanwhile, the protection wire 9 is the strand copper wire that diameter is not less than 3.5mm；The earth lead 10 is
Diameter is not less than 6mm strand copper wire；The transfer wire 20 is the strand copper wire that diameter is not less than 6.5mm；Such design
The lightning protection properties of lightning protection box can be effectively improved, and ensure the safety of electric equipment in circuit.The utility model by
Accommodating chamber 11 is offered in Stainless Steel Shell, recess cavity 21 is offered on stainless steel enclosing cover 2.Meanwhile, surge protection component 5,
Three miniature circuit breakers 6, lightning stroke counter 7, detection modules 8 are located in accommodating chamber 11 or recess cavity 21 respectively, in stainless steel
Enclosing cover 2 can play a very good protection after closing to these electric equipments.Also, on the accent of accommodating chamber 11 extension 12,
The setting of lug boss 13, groove 131, and it is additionally provided with recess cavity 21 soft rubber cushion 211.It is raised after the closure of stainless steel enclosing cover 2
The outer surface of portion 13 can not only reduce in soft rubber cushion 211, so noise during closing to overhead, moreover it is possible to improve accommodating chamber 11
Sealing property, it is to avoid mosquito is entered in accommodating chamber 11, reduces the damage of each electric elements, improves the service life of lightning protection box.
When rainwater is trickled down in lightning protection box, the fastening gap entered even in rainwater between Stainless Steel Shell 1 and stainless steel enclosing cover 2
Afterwards, rainwater can only be also flow in groove 131, then flowed out from the bottom of lightning protection box, it is impossible to be flowed into accommodating chamber 11, Neng Gouyou
Protect to effect the electric elements in accommodating chamber 11, it is ensured that the performance of lightning protection box.Lightning protection box structure of the present utility model is set
Meter is scientific and reasonable, has the advantages that good water-proof effect, security performance height, long service life.
Claims (1)
1. a kind of three-phase alternating-current supply lightning protection box, it is characterised in that：Including Stainless Steel Shell（1）, stainless steel enclosing cover（2）, protection
Dividing plate（3）, electric cabinet door lock（4）, surge protection component（5）, three miniature circuit breakers（6）, lightning stroke counter（7）, detection module
（8）, protection wire（9）, earth lead（10）, some transfer wires（20）, stainless steel installing plate（30）, wherein Stainless Steel Shell
（1）Accommodating chamber is offered on front（11）, the accommodating chamber（11）Accent is provided with the extension extended to inner side（12）, it is described
Extension（12）Outer surface is provided with a circle lug boss（13）, and make lug boss（13）It is centered around accommodating chamber（11）Accent surrounding,
The lug boss（13）A circle groove is offered on surrounding lateral wall（131）；The Stainless Steel Shell（1）If being offered on bottom surface
Dry and accommodating chamber（11）The first perforation connected（14）；The accommodating chamber（11）Left and right cavity wall is provided with positioning strip（15）, institute
State positioning strip（15）Provided with the second perforation（151）；The stainless steel enclosing cover（2）Recess cavity is offered on inwall（21）；The wave
Gush protection component（5）Including three piezo-resistance modules（51）, electric discharge tube module（52）, mounting seat（53）, the mounting seat
（53）Provided with three live wire access terminals（531）, the neutral conductor access terminal（532）, ground terminal（533）, three pressure-sensitive electricity
Hinder module（51）With electric discharge tube module（52）Mounting seat is inserted into respectively（53）On, and make three piezo-resistance modules（51）One connects
Line end accesses terminals with three live wires respectively（531）It is electrically connected, discharge tube module（52）One terminals and ground terminal（533）
It is electrically connected, also makes three piezo-resistance modules（51）Another terminals access terminal with the neutral conductor respectively（532）Be electrically connected,
Discharge tube module（52）Another terminals also access terminal with the neutral conductor（532）It is electrically connected；The lightning stroke counter（7）Including
Signal acquisition part（71）, display screen（72）, SR（73）, shell（74）, control circuit module, the display screen（72）、
SR（73）, control circuit module be separately positioned on shell（74）On, and make display screen（72）With SR（73）Point
It is not electrically connected with control circuit module, the signal acquisition part（71）It is electrically connected by wire with control circuit module；Institute
State detection module（8）Including start button（81）, four indicator lamps（82）, control board（83）, the start button（81）
With four indicator lamps（82）It is respectively provided at control board（83）On；The protection wire（9）It is many not less than 3.5mm for diameter
Stock copper cash；The earth lead（10）It is not less than 6mm strand copper wire for diameter；The transfer wire（20）It is not less than for diameter
6.5mm strand copper wire；The stainless steel enclosing cover（2）One side is hinged on extension（12）On, so that stainless steel enclosing cover（2）'s
Recess cavity（21）Lug boss can be fastened on free-open-close（13）On, the recess cavity（21）Inwall is provided with and lug boss（13）
The corresponding soft rubber cushion in position（211）；The electric cabinet door lock（4）It is arranged on stainless steel enclosing cover（2）On, to be locked by electric cabinet door（4）
By stainless steel enclosing cover（2）It is locked in Stainless Steel Shell（1）On；The stainless steel installing plate（30）On be welded with metal contiguous block
（111）, the metal contiguous block（111）It is provided with metal connecting piece（112）, the metal connecting piece（112）One end passes through bolt
（40）It is fixed on metal contiguous block（111）On, the metal connecting piece（112）The other end is provided with the letter-c-shaped metal in section
Connection end（1121）；The stainless steel installing plate（30）Provided with two clamp rails laterally set（113）, the surge protection group
Part（5）Mounting seat（53）Slideably it is installed on one of clamp rail（113）On, three miniature circuit breakers（6）Slideably
It is installed on another clamp rail（113）, the surge protection component（5）Three live wires access terminal（531）Pass through transfer wire
（20）Respectively with three miniature circuit breakers（6）It is electrically connected, the earth lead（10）One end and surge protection component（5）Connect
Ground terminal（533）It is electrically connected, the earth lead（10）The other end is inlaid in metal connection end（1121）On；The stainless steel
Installing plate（30）Installed in accommodating chamber（11）It is interior and fixed by screw；The detection module（8）It is arranged on stainless steel enclosing cover（2）
Recess cavity（21）It is interior, the stainless steel enclosing cover（2）It is upper to offer four and four indicator lamps respectively（82）Position is corresponding
Unthreaded hole（22）, the stainless steel enclosing cover（2）On be further opened with and start button（81）The corresponding handle hole in position（23）, it is described recessed
Enter chamber（21）Inside it is additionally provided with protective cover（24）, the protective cover（24）Cover is put in detection module（8）On；Three pressures
Quick resistive module（51）, electric discharge tube module（52）Respectively by being perforated through second（151）Wire（60）With control board
（83）It is electrically connected, and passes through plastic spiral protective case（50）By each wire（60）Parcel is together；The lightning stroke counter（7）'s
Shell（74）It is set in stainless steel enclosing cover（2）On, and make shell（74）On display screen（72）With SR（73）Positioned at not
Become rusty steel enclosing cover（2）Outer surface side；The signal acquisition part（71）It is sleeved on earth lead（10）On；The protection wire（9）
One end is fixed on accommodating chamber（11）On inwall, the protection wire（9）The other end is fixed on recess cavity（21）On inwall；It is described to protect
Protect dividing plate（3）It is arranged on accommodating chamber（11）It is interior, and dividing plate will be protected by screw（3）Left and right side is separately fixed at two positioning
Bar（15）On, the stainless steel installing plate（30）Positioned at protection dividing plate（3）Inner side, the protection dividing plate（3）On offer and supply three
Individual miniature circuit breaker（6）The first resigning hole for together passing through of controlling switch（31）, in protection dividing plate（3）Offered on also and supply three
Individual piezo-resistance module（51）Outer end and electric discharge tube module（52）The second resigning hole that outer end is together passed through（32）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720041411.4U CN206340833U (en) | 2017-01-14 | 2017-01-14 | A kind of three-phase alternating-current supply lightning protection box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720041411.4U CN206340833U (en) | 2017-01-14 | 2017-01-14 | A kind of three-phase alternating-current supply lightning protection box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206340833U true CN206340833U (en) | 2017-07-18 |
Family
ID=59304995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720041411.4U Expired - Fee Related CN206340833U (en) | 2017-01-14 | 2017-01-14 | A kind of three-phase alternating-current supply lightning protection box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206340833U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108011310A (en) * | 2017-12-27 | 2018-05-08 | 安徽星博电气科技有限公司 | A kind of distribution box of power equipment |
| CN108390348A (en) * | 2018-04-28 | 2018-08-10 | 中国三峡建设管理有限公司 | The lightning protection device of tower crane before hydroelectric dam |
| CN108711837A (en) * | 2018-07-09 | 2018-10-26 | 浙江雷宇防雷技术有限公司 | A kind of lightning protection box of easy access |
| CN114447793A (en) * | 2022-02-20 | 2022-05-06 | 鲍蓉 | SPD mounting plate assembly for power distribution cabinet and integrated lightning protection cabinet for traction substation |
-
2017
- 2017-01-14 CN CN201720041411.4U patent/CN206340833U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108011310A (en) * | 2017-12-27 | 2018-05-08 | 安徽星博电气科技有限公司 | A kind of distribution box of power equipment |
| CN108390348A (en) * | 2018-04-28 | 2018-08-10 | 中国三峡建设管理有限公司 | The lightning protection device of tower crane before hydroelectric dam |
| CN108711837A (en) * | 2018-07-09 | 2018-10-26 | 浙江雷宇防雷技术有限公司 | A kind of lightning protection box of easy access |
| CN114447793A (en) * | 2022-02-20 | 2022-05-06 | 鲍蓉 | SPD mounting plate assembly for power distribution cabinet and integrated lightning protection cabinet for traction substation |
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