CN208401531U - A kind of monitor-type overvoltage protection - Google Patents

A kind of monitor-type overvoltage protection Download PDF

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Publication number
CN208401531U
CN208401531U CN201820701918.2U CN201820701918U CN208401531U CN 208401531 U CN208401531 U CN 208401531U CN 201820701918 U CN201820701918 U CN 201820701918U CN 208401531 U CN208401531 U CN 208401531U
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CN
China
Prior art keywords
contact
upper casing
iron core
monitor
shell
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201820701918.2U
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Chinese (zh)
Inventor
姚宇轩
王新鹏
成瑜
刘建军
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姚宇轩
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Publication date
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Priority to CN201820701918.2U priority Critical patent/CN208401531U/en
Application granted granted Critical
Publication of CN208401531U publication Critical patent/CN208401531U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of monitor-type overvoltage protections, including bottom case, the bottom case upper surface is installed with upper casing, lower left quarter in the upper casing shell is installed with importing contact, the importing contact extends to upper casing middle part, middle part is installed with connection contact in the upper casing shell, right lower quadrant is installed with export contact in the upper casing shell, middle part is laterally installed with insulation slide bar in the upper casing shell, the right part of the insulation slide bar is installed with overload iron core, closed coil is wound outside the overload iron core, one end of the closed coil is welded to connect contact, the other end welding export contact of the closed coil;Magnetic field is generated by internal circuit configuration, the control of access and open circuit is realized, by pressing normally closed switch, Power resumption it is swift to operate simple and highly-safe, reduce operation difficulty, and work instruction of the indicator light in open circuit, facilitate and searched, is improved work efficiency.

Description

A kind of monitor-type overvoltage protection
Technical field
The utility model relates to overcurrent protection engineering device technique field, in particular to a kind of monitor-type overvoltage protection.
Background technique
Overvoltage protection has been mostly used the device protected to the electric appliance of connection in circuit, and overtension is avoided to make Electric appliance is obtained to burn, and general overcurrent protection device does not have monitoring function, i.e., when some overvoltage protection in circuit Triggering, leads to down circuitry, it is necessary to overvoltage protection all in circuit checked, increased operating quantity, Working efficiency is reduced, while general overvoltage protection needs are manually resetted, and its outer touching structure is smaller, operation Difficulty is big, thus it is proposed that a kind of monitor-type overvoltage protection.
Summary of the invention
The purpose of this utility model is to provide a kind of monitor-type overvoltage protections, to solve in above-mentioned background technique The problem of proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of monitor-type overvoltage protection, packet Bottom case is included, the bottom case upper surface is installed with upper casing, and the lower left quarter in the upper casing shell is installed with importing contact, the importing touching Piece upper end is bending to the right and extends in the middle part of upper casing, and middle part is installed with connection contact, the right side in the upper casing shell in the upper casing shell Lower part is installed with export contact, and middle part is laterally installed with insulation slide bar in the upper casing shell, and the right part of the insulation slide bar clamps There is overload iron core, closed coil is wound outside the overload iron core, one end of the closed coil is welded to connect contact, the access The other end welding export contact of coil, the insulation slide bar middle part are slidably fitted with sliding permanent magnet, the insulation slide bar Left end is installed with breaking iron core, is clamped with compressed spring, the cunning between the sliding permanent magnet left end and breaking iron core right end The portion integral of dynamic permanent magnet forms connecting plate, and the connecting plate lower end is welded with sliding contact.
Preferably, it is wound with trip coil outside the breaking iron core, is installed in the upper casing imported above contact disconnected Road contact, the upper casing shell internal upper part are installed with wiring board, and indicator light, normally closed switch and high resistant electricity are welded on the wiring board Breaking contact is welded in resistance, described trip coil one end, and the other end of the trip coil welds wiring board.
Preferably, bottom case upper surface left end and right end are fixedly installed with binding post, the fitting of binding post described in left side Import contact, the fitting export contact of binding post described in right side.
Preferably, the bottom case upper surface middle part is installed with arc extinguishing grid pieces, and the arc extinguishing grid pieces, which are located at, imports contact and company Below gap between contact chip.
Preferably, the breaking contact and the gap imported between contact are equal to the thickness of sliding contact.
Preferably, the indicator light is electrically connected trip coil, and the indicator light is electrically connected normally closed switch, the normally closed switch It is electrically connected high-ohmic resistor, the high-ohmic resistor is electrically connected arc extinguishing grid pieces.
Compared with prior art, the utility model has the beneficial effects that generating magnetic field by internal circuit configuration, realize logical The control on road and open circuit, by pressing normally closed switch, Power resumption it is swift to operate simple and highly-safe, reduce operation Difficulty, and work instruction of the indicator light in open circuit, facilitate and are searched, improved work efficiency.
Detailed description of the invention
Fig. 1 is the utility model main cross section structure diagram.
Fig. 2 is detail view at a in Fig. 1.
In figure: 1, bottom case, 2, connection contact, 3, export contact, 4, binding post, 5, upper casing, 6, overload iron core, 7, high resistant electricity Resistance, 8, closed coil, 9, normally closed switch, 10, wiring board, 11, sliding permanent magnet, 12, indicator light, 13, compressed spring, 14, disconnected Road coil, 15, breaking iron core, 16, breaking contact, 17, importing contact, 18, connecting plate, 19, sliding contact, 20, arc extinguishing grid pieces, 21, insulate slide bar.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of monitor-type overvoltage protection, including Bottom case 1 is the base structure of device, provides carrying and installation foundation for structure thereon, 1 upper surface of bottom case is installed with upper casing 5, internal electronic element is protected, the lower left quarter in 5 shell of upper casing, which is installed with, imports contact 17, induces current into device In, 17 upper ends of the importing contact are bending to the right and extend to 5 middle part of upper casing, facilitate cooperation sliding contact 19 and connection contact 2 Work, middle part is installed with connection contact 2 in 5 shell of upper casing, and cooperation sliding contact 19 carries out the connection of route, it is described on Right lower quadrant is installed with export contact 3 in 5 shell of shell, and by electric current guiding device, the interior middle part of 5 shell of upper casing is laterally installed with insulation and slides Bar 21, avoids magnetic field from interfering with each other, while providing installation foundation for overload iron core 6, mobile permanent magnet 11 and breaking iron core 15, institute The right part for stating insulation slide bar 21 is installed with overload iron core 6, and high-intensity magnetic field, the overload are generated when electric current is excessive in closed coil 8 Closed coil 8 is wound outside iron core 6, carries out the route of circuit communication, while overload iron core 6 being cooperated to constitute electromagnet, the access One end of coil 8 is welded to connect contact 2, and the other end welding export contact 3 of the closed coil 8 realizes the connection of circuit, institute It states and is slidably fitted with sliding permanent magnet 11 in the middle part of insulation slide bar 21, pass through the magnetic field with overload iron core 6, the breaking generation of iron core 15 Interaction drives connecting plate 18 and sliding contact 9 thereon to be moved, and the left end of the insulation slide bar 21 is installed with open circuit Iron core 15 generates magnetic field, is clamped with compressed spring between 15 right end of 11 left end of sliding permanent magnet and breaking iron core when breaking 13, power is provided to slide the reset of permanent magnet 11, the portion integral of the sliding permanent magnet 11 forms connecting plate 18, connects Permanent magnet 11 and sliding contact 19 are slided, 18 lower end of connecting plate is welded with sliding contact 19, realizes that circuit connects by sliding The effect of through and off road prompt.
Specifically, being wound with trip coil 14 outside the open circuit iron core 15, cooperates breaking iron core 15 to constitute electromagnet, break Magnetic field is generated when road, breaking contact 16 is installed in the upper casing 5 for importing 17 top of contact, and cooperation sliding contact 19 is made With carrying out connection when open circuit, the 5 shell internal upper part of upper casing is installed with wiring board 10, provides installation for electronic component thereon Basis is welded with indicator light 12, normally closed switch 9 and high-ohmic resistor 7 on the wiring board 10, and indicator light 12 carries out breaking instruction, Normally closed switch 9 is when guaranteeing without external force, and trip coil is able to carry out the guarantee of continuous work after being powered, high-ohmic resistor 7 be in order to Indicator light 12 is protected not to be burnt, breaking contact 16, the other end of the trip coil 14 are welded in described 14 one end of trip coil Wiring board 10 is welded, realizes effective circuit connection.
Specifically, the 1 upper surface left end of bottom case and right end are fixedly installed with binding post 4, facilitate connection external circuit, The fitting of binding post 4 described in left side imports contact 17, is easily introduced into the connection of current circuit, the fitting of binding post 4 described in right side Contact 3 is exported, the connection of derived current circuit is facilitated.
Specifically, 1 upper surface middle part of bottom case is installed with arc extinguishing grid pieces 20, to the electric arc generated in device work into Row absorbs, while arc extinguishing grid pieces 20 are grounded, and the arc extinguishing grid pieces 20, which are located at, to be imported under the gap between contact 17 and connection contact 2 Side guarantees arc quenching effect.
Specifically, the open circuit contact 16 and the gap imported between contact 17 are equal to the thickness of sliding contact 19, side Just the slide-in contact of contact 19 is slided.
Specifically, the indicator light 12 is electrically connected trip coil 14, the indicator light 12 is electrically connected normally closed switch 9, institute It states normally closed switch 9 and is electrically connected high-ohmic resistor 7, the high-ohmic resistor 7 is electrically connected arc extinguishing grid pieces 20, constitutes effective circuit connection and returns Road guarantees to use function.
Working principle: in use, device is installed, when voltage is excessive, electric current can be increased accordingly, and then make access The electromagnet that coil 8 and overload iron core 6 are constituted generates big magnetic field, and sliding permanent magnet 11 is pushed to move downward, sliding contact 19 with Connection contact 2 separates, and realizes open circuit, meanwhile, sliding contact 19 is contacted with breaking contact 16, constitute access, trip coil 14 and Breaking iron core 15 constitutes electromagnet, generates magnetic field, absorption sliding permanent magnet 11, while the energization of indicator light 12 lights, and is indicated, When facilitating and overhauled, and carrying out restoring circuit, normally closed switch 9 is pressed, carries out open circuit, trip coil 14 powers off, and magnetic field disappears, Sliding permanent magnet 11 slides to the right under the effect of compressed spring 13, and sliding contact 19 is contacted with connection contact 2, constitutes access, extensive It is multiple to be powered.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of monitor-type overvoltage protection, including bottom case (1), it is characterised in that: bottom case (1) upper surface is installed with Upper casing (5), the lower left quarter in upper casing (5) shell, which is installed with, imports contact (17), and importing contact (17) upper end is curved to the right Bent and extend in the middle part of upper casing (5), middle part is installed with connection contact (2) in upper casing (5) shell, right in upper casing (5) shell Lower part is installed with export contact (3), and middle part is laterally installed with insulation slide bar (21), the insulation slide bar in upper casing (5) shell (21) right part is installed with overload iron core (6), and the overload iron core (6) winds closed coil (8), the closed coil (8) outside One end be welded to connect contact (2), the closed coil (8) the other end welding export contact (3), the insulation slide bar (21) Middle part is slidably fitted with sliding permanent magnet (11), and the left end of insulation slide bar (21) is installed with breaking iron core (15), the cunning It is clamped with compressed spring (13) between dynamic permanent magnet (11) left end and breaking iron core (15) right end, sliding permanent magnet (11) Portion integral forms connecting plate (18), and connecting plate (18) lower end is welded with sliding contact (19).
2. a kind of monitor-type overvoltage protection according to claim 1, it is characterised in that: the open circuit iron core (15) Be wound with trip coil (14) outside, it is described import contact (17) above upper casing (5) in is installed with breaking contact (16), it is described on Shell (5) shell internal upper part is installed with wiring board (10), be welded on the wiring board (10) indicator light (12), normally closed switch (9) and Breaking contact (16), the other end welding of the trip coil (14) are welded in high-ohmic resistor (7), described trip coil (14) one end Wiring board (10).
3. a kind of monitor-type overvoltage protection according to claim 1, it is characterised in that: table on the bottom case (1) Face left end and right end are fixedly installed with binding post (4), and the fitting of binding post (4) described in left side imports contact (17), described in right side Binding post (4) fitting export contact (3).
4. a kind of monitor-type overvoltage protection according to claim 1, it is characterised in that: table on the bottom case (1) Middle face is installed with arc extinguishing grid pieces (20), and the arc extinguishing grid pieces (20), which are located at, to be imported between contact (17) and connection contact (2) Below gap.
5. a kind of monitor-type overvoltage protection according to claim 1 or 2, it is characterised in that: the open circuit contact (16) and the gap between contact (17) is imported equal to the thickness for sliding contact (19).
6. a kind of monitor-type overvoltage protection according to claim 2, it is characterised in that: indicator light (12) electricity It connects trip coil (14), the indicator light (12) is electrically connected normally closed switch (9), normally closed switch (9) the electrical connection high resistant electricity It hinders (7), the high-ohmic resistor (7) is electrically connected arc extinguishing grid pieces (20).
CN201820701918.2U 2018-05-11 2018-05-11 A kind of monitor-type overvoltage protection Expired - Fee Related CN208401531U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820701918.2U CN208401531U (en) 2018-05-11 2018-05-11 A kind of monitor-type overvoltage protection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820701918.2U CN208401531U (en) 2018-05-11 2018-05-11 A kind of monitor-type overvoltage protection

Publications (1)

Publication Number Publication Date
CN208401531U true CN208401531U (en) 2019-01-18

Family

ID=65136170

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820701918.2U Expired - Fee Related CN208401531U (en) 2018-05-11 2018-05-11 A kind of monitor-type overvoltage protection

Country Status (1)

Country Link
CN (1) CN208401531U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111302147A (en) * 2020-03-15 2020-06-19 河北源泷科技有限公司 Wire box with line detection function

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111302147A (en) * 2020-03-15 2020-06-19 河北源泷科技有限公司 Wire box with line detection function
CN111302147B (en) * 2020-03-15 2022-01-11 国网甘肃省电力公司超高压公司 Wire box with line detection function

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GR01 Patent grant
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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190118

Termination date: 20190511

CF01 Termination of patent right due to non-payment of annual fee