CN208240895U - A kind of Electric Appliance Cabinet earthing or grounding means - Google Patents

A kind of Electric Appliance Cabinet earthing or grounding means Download PDF

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Publication number
CN208240895U
CN208240895U CN201820653365.8U CN201820653365U CN208240895U CN 208240895 U CN208240895 U CN 208240895U CN 201820653365 U CN201820653365 U CN 201820653365U CN 208240895 U CN208240895 U CN 208240895U
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CN
China
Prior art keywords
inner sleeve
outer sleeve
sleeve
prong elements
conducting prong
Prior art date
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
CN201820653365.8U
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Chinese (zh)
Inventor
徐丽娜
潘为刚
王常顺
王荣强
韩耀振
杨仁明
张广渊
赵峰
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Shandong Jiaotong University
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Shandong Jiaotong University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shandong Jiaotong University filed Critical Shandong Jiaotong University
Priority to CN201820653365.8U priority Critical patent/CN208240895U/en
Application granted granted Critical
Publication of CN208240895U publication Critical patent/CN208240895U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The Electric Appliance Cabinet earthing or grounding means of the utility model, it is characterised in that: including ground connection embedded board, outer sleeve, inner sleeve and arcuate conducting prong elements, outer sleeve is fixed on ground connection embedded board, and outer sleeve is internally provided with the conductive spring leaf being fixed on ground connection embedded board;Inner sleeve is with outer sleeve through being threadedly coupled;The top of inner sleeve is fixed with top plate, and through-hole is offered on top plate, and arcuate conducting prong elements are located in inner sleeve and are arranged through through-hole, and arcuate conducting prong elements, which are located at through-hole two sides, is provided with limit plate, and the top of arcuate conducting prong elements is provided with ground terminal.The Electric Appliance Cabinet earthing or grounding means of the utility model, by the way that inner sleeve precession into outer sleeve, is realized equipment ground.When needing carrying or mobile device, without disconnecting ground line and ground terminal, by screwing out inner sleeve from outer sleeve, can will connect wires, inner sleeve and arcuate conducting prong elements are moved together with equipment, avoid previous ground line be not easy to it is mobile or the drawbacks of ground line need to be destroyed.

Description

A kind of Electric Appliance Cabinet earthing or grounding means
Technical field
The utility model relates to a kind of Electric Appliance Cabinet earthing or grounding means, more specifically, more particularly to a kind of easy to disassemble and can The Electric Appliance Cabinet earthing or grounding means that ground state is monitored in real time.
Background technique
Earthing or grounding means is the equipment electrical connection is constituted between electrical equipment or other objects and ground, electrical to realize The purpose that system is connected with the earth, can be assigned to certain electric function, such as connect to make system earth, protective grounding or signal Ground.The electrical cabinet bottom of installation electrical equipment is often equipped with earthing or grounding means, independently so as to the electrical equipment that allows in electrical cabinet Grounding connection.However existing the design of grounding is more traditional, installs very troublesome.It needs to dismantle in electrical cabinet and carry Or when moving position, existing earthing or grounding means separation is cumbersome, increases inconvenience to the dismounting of electrical cabinet.
And existing earthing or grounding means is substantially once mounting, uses throughout one's life, is influenced by working environment, in use process It is possible that earthing or grounding means earthing failure or bad phenomenon, if cannot find in time, if the appearance high pressure of equipment is leaked Electricity may result in whole equipment electrification, and then can cause electric shock accidents;It is bad if it is signal ground, then it will lead to equipment Data can not normal transmission.
Summary of the invention
The utility model in order to overcome the shortcomings of the above technical problems, provides a kind of easy to disassemble and can be to ground state The Electric Appliance Cabinet earthing or grounding means monitored in real time.
The Electric Appliance Cabinet earthing or grounding means of the utility model, it is characterised in that: including ground connection embedded board, outer sleeve, inner sleeve and Arcuate conducting prong elements, outer sleeve are fixed on ground connection embedded board, and internal screw thread is provided on the inner wall of outer sleeve, outer sleeve internal cavities Bottom is provided with the conductive spring leaf being fixed on ground connection embedded board;It is provided on the outer wall of inner sleeve and internal screw thread on outer copper sheathing The external screw thread matched, to realize the threaded connection of inner sleeve and outer sleeve;The top of inner sleeve is fixed with top plate, opens on top plate Equipped with through-hole, arcuate conducting prong elements are located in inner sleeve and are arranged through through-hole, and arcuate conducting prong elements fit with the through hole, arcuate conducting prong elements Limit plate is provided at through-hole two sides, the top of the arcuate conducting prong elements is provided with the ground terminal being connected with ground line Son.
The Electric Appliance Cabinet earthing or grounding means of the utility model, the conductive spring leaf are upper prominent arcuate shape, arcuate conducting prong elements Length meets: after inner sleeve is screwed in into outer sleeve, arcuate conducting prong elements are in pressurized state to conductive spring leaf.
The Electric Appliance Cabinet earthing or grounding means of the utility model is fixed with positioning sleeve, the lower end of outer sleeve on the ground connection embedded board The mode for being threadedly coupled or being interference fitted is fixed on positioning sleeve.
The Electric Appliance Cabinet earthing or grounding means of the utility model, the ground connection embedded board use conductive material, outer sleeve, inner sleeve and Top plate is all made of hard PVC, and inner sleeve and top plate are structure as a whole.
The Electric Appliance Cabinet earthing or grounding means of the utility model issues the alarm dress of alarm signal including equipment ground state when bad It sets, warning device is made of shell, the control circuit being set in shell, loudspeaker and alarm lamp, loudspeaker and alarm Indicator light is all set on shell;The top of arcuate conducting prong elements is provided with the first measurement terminals, is grounded on embedded board and is fixed with the Two measurement terminals, control circuit are connected with the first measurement terminals and the second measurement terminals respectively through two measurement cables It connects.
The Electric Appliance Cabinet earthing or grounding means of the utility model, the control circuit is by microcontroller, resistance measuring circuit and power supply Module composition, the input terminal of resistance measuring circuit with first measurement terminals and second measurement terminals be connected, output end and Microcontroller is connected;Power module provides constant voltage DC to resistance measuring circuit, microcontroller, alarm lamp, loudspeaker Power supply.
The beneficial effects of the utility model are: the Electric Appliance Cabinet earthing or grounding means of the utility model, it is pre- that outer sleeve is fixed on ground connection On buried plate, conductive spring leaf is provided in outer sleeve, arcuate conducting prong elements are set in inner sleeve and are rotatably arranged on top plate, lead The top of electric mortiser bar is provided with ground terminal;In use, by the way that into outer sleeve, arcuate conducting prong elements are can be realized in inner sleeve precession With the electrical connection of conductive spring leaf, and then the ground connection of arcuate conducting prong elements is realized, by the way that the ground line of equipment is connected to ground connection On terminal, the ground connection of equipment is also achieved.When needing carrying or mobile device, (lead to without disconnecting ground line with ground terminal Be destructive disconnection in normal situation) connection, by the way that inner sleeve is screwed out from outer sleeve, can will connect wires, inner sleeve and Arcuate conducting prong elements are moved together with equipment, avoid the drawbacks of previous ground line is not easy to movement or need to destroy ground line.
Further, by the way that the warning device being made of shell, control circuit, loudspeaker and alarm lamp, control is arranged Circuit processed shows imperfect earth when resistance is greater than the set value or connects to the resistance measurement between arcuate conducting prong elements and ground connection embedded board Ground disconnects, then issues acoustic-optic alarm, reminds related personnel to check and handle, solves the ground connection of existing grounding apparatus The problem of state can not monitor in real time.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the Electric Appliance Cabinet earthing or grounding means of the utility model;
Fig. 2 is the cross-sectional view of the Electric Appliance Cabinet earthing or grounding means of the utility model;
Fig. 3 is the structural schematic diagram in the utility model in inner sleeve precession outer sleeve;
Fig. 4 is the schematic diagram of control circuit in the utility model.
In figure: 1 ground connection embedded board, 2 outer sleeves, 3 inner sleeves, 4 top plates, 5 arcuate conducting prong elements, 6 conductive spring leafs, 7 ground terminals Son, 8 through-holes, 9 limit plates, 10 positioning sleeves, 11 warning devices, 12 first measurement terminals, 13 second measurement terminals, 14 loudspeakings Device, 15 alarm lamps, 16 measurement cables, 17 microcontrollers, 18 resistance measuring circuits, 19 power modules.
Specific embodiment
The utility model is described in further detail with embodiment with reference to the accompanying drawing.
As depicted in figs. 1 and 2, the structural schematic diagram and section view of the Electric Appliance Cabinet earthing or grounding means of the utility model is set forth Figure, shown in Electric Appliance Cabinet earthing or grounding means by ground connection embedded board 1, outer sleeve 2, inner sleeve 3, top plate 4, arcuate conducting prong elements 5, power spring Piece 6 and warning device 11 form, and ground connection embedded board 1 is for fixing on the ground or being embedded among ground, by conductive material structure At, with realize with greatly or other object (such as ships) conduct.Outer sleeve 2 is fixed on ground connection embedded board 1, outer sleeve 2 Inner wall on be provided with internal screw thread, conductive spring leaf 6 is arcuate shape, and conductive spring leaf 6 is located at the bottom of 2 internal cavities of outer sleeve Portion, the prominent form of 6 or more the conductive spring leaf of arc is fixed on ground connection embedded board 1, to realize and be grounded being electrically connected for embedded board 1 It connects.
External screw thread is provided on the outer surface of shown inner sleeve 3, the outer diameter of inner sleeve 3 is equal with the internal diameter of outer sleeve 2, with Just inner sleeve 3 is threadedly coupled with outer sleeve 2, so that inner sleeve 3 is inserted into outer sleeve 2.Top plate 4 is fixed on the upper end of inner sleeve 3, Arcuate conducting prong elements 5 are located in the internal cavities of inner sleeve 3, and through-hole 8 is offered on top plate 4, and 5 via through holes 8 of arcuate conducting prong elements are pierced by.It is conductive Inserted link 5 and through-hole are clearance fit, to guarantee that arcuate conducting prong elements 5 can be freely rotated in through-hole 8;It is located on arcuate conducting prong elements 5 The position of 8 two sides of through-hole is respectively and fixedly provided with limit plate 9, and to limit arcuate conducting prong elements 5, radially direction is moved.The top of arcuate conducting prong elements 5 End is fixed with the ground terminal 7 being connected with the ground line of equipment.
As shown in figure 3, the structural schematic diagram in the utility model in inner sleeve precession outer sleeve is given, in use, can The ground line of equipment and ground terminal 7 are connected first, then screwed in inner sleeve 3 in outer sleeve 2 by tool, outside During sleeve 3 rotates, arcuate conducting prong elements 5 will not follow rotation, avoid to connect wires and turn-take and be destroyed;Inner sleeve 3 After screwing in outer sleeve 2, arcuate conducting prong elements 5 are withstood on conductive spring leaf 6, so that ground line passes through arcuate conducting prong elements 5, power spring Piece 6, ground connection embedded board 1 are grounded.When needing mobile device, by screwing out inner sleeve 3, can off device ground line, and nothing Ground line need to be dismantled or destroyed, after equipment is moved to another location, using other outer sleeve for removing equipment, or only set Ground connection embedded board 1 and outer sleeve 2 are set, and can realize the ground connection of equipment.
In order to realize fixation of the outer sleeve 2 on ground connection embedded board 1, stationary positioned 10 can be covered on ground connection embedded board 1, it will The lower end of outer sleeve 2 is fixed on positioning sleeve 10.Threaded connection can be used in outer sleeve 2 or the mode of interference fit is fixed on positioning On set 10.Shown outer sleeve 2, inner sleeve 3, top plate 4 are all made of hard PVC material, to guarantee the insulation outside earthing or grounding means;It is interior Sleeve 3 is structure as a whole with top plate 4.
Shown in warning device 11 by shell, the control circuit being set in shell, alarm lamp 15,14 groups of loudspeaker At alarm lamp 15 and loudspeaker 14 are set on shell, realize sound-light alarm effect.As shown in figure 4, giving practical The schematic diagram of novel middle control circuit is made of, microcontroller microcontroller 17, resistance measuring circuit 18 and power module 19 17 have acquisition, operation and control action, and power module 19 provides steady dc voltage to the work of each module.Arcuate conducting prong elements 5 top is provided with the first measurement terminals 12, is grounded on embedded board 1 and is fixed with the second measurement terminals 13.
Resistance measuring circuit 18 is connected with the input terminal of resistance measuring circuit 18 respectively through two measurement cables 16, and resistance is surveyed The output of amount circuit 18 is connected with microcontroller 17, so that microcontroller 17 obtains the first measurement terminals 12 and the second measurement Resistance value between terminals 13.When microcontroller 17 detects between the first measurement terminals 12 and the second measurement terminals 13 Resistance value when being more than setting value, then control alarm lamp 15 and loudspeaker 14 and issue sound and light alarm signal, with alert device Ground connection is broken down, so that related personnel takes measures.

Claims (5)

1. a kind of Electric Appliance Cabinet earthing or grounding means, it is characterised in that: including ground connection embedded board (1), outer sleeve (2), inner sleeve (3) and lead Electric mortiser bar (5), outer sleeve are fixed on ground connection embedded board, and internal screw thread, outer sleeve internal cavities are provided on the inner wall of outer sleeve Bottom be provided be fixed on ground connection embedded board on conductive spring leaf (6);Be provided on the outer wall of inner sleeve on outer copper sheathing The external screw thread that internal screw thread matches, to realize the threaded connection of inner sleeve and outer sleeve;The top of inner sleeve is fixed with top plate (4), it is offered on top plate through-hole (8), arcuate conducting prong elements are located in inner sleeve and are arranged through through-hole, between arcuate conducting prong elements and through-hole Gap cooperation, arcuate conducting prong elements, which are located at through-hole two sides, is provided with limit plate (9), and the top of the arcuate conducting prong elements is provided with and is grounded The ground terminal (7) that line is connected.
2. Electric Appliance Cabinet earthing or grounding means according to claim 1, it is characterised in that: the conductive spring leaf (6) is upper prominent The length of arcuate shape, arcuate conducting prong elements (5) meets: after inner sleeve (3) is screwed in into outer sleeve (2), arcuate conducting prong elements are to conductive bullet Reed is in pressurized state.
3. Electric Appliance Cabinet earthing or grounding means according to claim 1 or 2, it is characterised in that: fixed on the ground connection embedded board (1) Have positioning sleeve (10), the mode that the lower end of outer sleeve (2) is threadedly coupled or is interference fitted is fixed on positioning sleeve.
4. Electric Appliance Cabinet earthing or grounding means according to claim 1 or 2, it is characterised in that: the ground connection embedded board (1) uses and leads Electric material, outer sleeve (2), inner sleeve (3) and top plate (4) are all made of hard PVC, and inner sleeve and top plate are structure as a whole.
5. Electric Appliance Cabinet earthing or grounding means according to claim 1 or 2, it is characterised in that: when bad including equipment ground state Issue alarm signal warning device (11), warning device by shell, the control circuit being set in shell, loudspeaker (14) and Alarm lamp (15) composition, loudspeaker and alarm lamp are all set on shell;The top of arcuate conducting prong elements (5) is provided with One measurement terminals (12) is grounded on embedded board (1) and is fixed with the second measurement terminals (13), and control circuit is through two measurement lines Cable (16) is connected with the first measurement terminals and the second measurement terminals respectively.
CN201820653365.8U 2018-05-04 2018-05-04 A kind of Electric Appliance Cabinet earthing or grounding means Expired - Fee Related CN208240895U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820653365.8U CN208240895U (en) 2018-05-04 2018-05-04 A kind of Electric Appliance Cabinet earthing or grounding means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820653365.8U CN208240895U (en) 2018-05-04 2018-05-04 A kind of Electric Appliance Cabinet earthing or grounding means

Publications (1)

Publication Number Publication Date
CN208240895U true CN208240895U (en) 2018-12-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820653365.8U Expired - Fee Related CN208240895U (en) 2018-05-04 2018-05-04 A kind of Electric Appliance Cabinet earthing or grounding means

Country Status (1)

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CN (1) CN208240895U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110994210A (en) * 2019-11-29 2020-04-10 重庆文理学院 Grounding device for electrical equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110994210A (en) * 2019-11-29 2020-04-10 重庆文理学院 Grounding device for electrical equipment

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

Granted publication date: 20181214

Termination date: 20190504