CN108390167A - Electric Appliance Cabinet earthing or grounding means with real-time detection ground state and warning function - Google Patents

Electric Appliance Cabinet earthing or grounding means with real-time detection ground state and warning function Download PDF

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Publication number
CN108390167A
CN108390167A CN201810417213.2A CN201810417213A CN108390167A CN 108390167 A CN108390167 A CN 108390167A CN 201810417213 A CN201810417213 A CN 201810417213A CN 108390167 A CN108390167 A CN 108390167A
Authority
CN
China
Prior art keywords
inner sleeve
outer sleeve
prong elements
conducting prong
sleeve
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.)
Pending
Application number
CN201810417213.2A
Other languages
Chinese (zh)
Inventor
潘为刚
王常顺
徐丽娜
王荣强
韩耀振
杨仁明
张广渊
赵峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Jiaotong University
Original Assignee
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 CN201810417213.2A priority Critical patent/CN108390167A/en
Publication of CN108390167A publication Critical patent/CN108390167A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/66Connections with the terrestrial mass, e.g. earth plate, earth pin
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/16Earthing arrangements

Abstract

The Electric Appliance Cabinet earthing or grounding means of the present invention, 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 both sides, is both provided with limiting plate, and the top of arcuate conducting prong elements is provided with ground terminal.The Electric Appliance Cabinet earthing or grounding means of the present invention, by by inner sleeve precession to outer sleeve, realizing equipment ground.When needing carrying or mobile device, without disconnecting ground wire and ground terminal, by the way that inner sleeve is screwed out from outer sleeve, you can will connect wires, inner sleeve and arcuate conducting prong elements are moved together with equipment, avoid previous ground wire be not easy to it is mobile or the drawbacks of ground wire need to be destroyed.

Description

Electric Appliance Cabinet earthing or grounding means with real-time detection ground state and warning function
Technical field
The present invention relates to a kind of Electric Appliance Cabinet earthing or grounding means, more specifically, more particularly to a kind of with detection ground connection in real time The Electric Appliance Cabinet earthing or grounding means of state and warning function.
Background technology
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, so as to allow electrical equipment in electrical cabinet independently 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, during use It is possible that earthing or grounding means earthing failure or bad phenomenon, if cannot find in time, if the appearance high pressure leakage of equipment Electricity may result in whole equipment electrification, and then can cause electric shock accidents;It is bad if it is signal ground, then it can lead to equipment Data can not normal transmission.
Invention content
The shortcomings that present invention is in order to overcome above-mentioned technical problem provides a kind of with detection ground state and alarm in real time The Electric Appliance Cabinet earthing or grounding means of function.
The Electric Appliance Cabinet earthing or grounding means with detection ground state and warning function in real time of the present invention, it is characterised in that:Packet Ground connection embedded board, outer sleeve, inner sleeve and arcuate conducting prong elements are included, outer sleeve is fixed on ground connection embedded board, on the inner wall of outer sleeve It is provided with internal thread, the bottom of outer sleeve internal cavities is provided with the conductive spring leaf being fixed on ground connection embedded board;Inner sleeve Outer wall on be provided with the matched external screw thread of internal thread on outer copper sheathing, to realize the threaded connection of inner sleeve and outer sleeve; 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, Arcuate conducting prong elements fit with the through hole, and arcuate conducting prong elements, which are located at through-hole both sides, is both provided with limiting plate, the top of the arcuate conducting prong elements End is provided with the ground terminal being connected with ground wire.
The Electric Appliance Cabinet earthing or grounding means with detection ground state and warning function in real time of the present invention, the conductive spring leaf Length for upper prominent arcuate shape, arcuate conducting prong elements meets:After inner sleeve is screwed in into outer sleeve, arcuate conducting prong elements are to power spring Piece is in pressurized state.
The Electric Appliance Cabinet earthing or grounding means with detection ground state and warning function in real time of the present invention, the ground connection embedded board On be fixed with positioning sleeve, the mode that the lower end of outer sleeve is threadedly coupled or is interference fitted is fixed on positioning sleeve.
The Electric Appliance Cabinet earthing or grounding means with detection ground state and warning function in real time of the present invention, the ground connection embedded board Using conductive material, outer sleeve, inner sleeve and top plate are all made of hard PVC, and inner sleeve and top plate are structure as a whole.
The Electric Appliance Cabinet earthing or grounding means with detection ground state and warning function in real time of the present invention, including equipment ground shape Send out the warning device of alarm signal when state is bad, warning device by shell, the control circuit being set in shell, loud speaker and Alarm lamp forms, and loud speaker and alarm lamp may be contained on shell;The top of arcuate conducting prong elements is provided with the first measurement Terminals are grounded on embedded board and are fixed with the second measurement terminals, and control circuit measures cable through two and measured respectively with first Terminals and the second measurement terminals are connected.
The present invention have in real time detection ground state and warning function Electric Appliance Cabinet earthing or grounding means, the control circuit by Microcontroller, resistance measuring circuit and power module composition, the input terminal of resistance measuring circuit and the first measurement terminals and the Two measurement terminals are connected, and output end is connected with microcontroller;Power module is to resistance measuring circuit, microcontroller, report Alert indicator light, loud speaker provide constant voltage dc source.
The beneficial effects of the invention are as follows:The Electric Appliance Cabinet with real-time detection ground state and warning function of the present invention connects Ground device, outer sleeve are fixed on ground connection embedded board, conductive spring leaf are provided in outer sleeve, arcuate conducting prong elements are set to inner sleeve In and be rotatably arranged on top plate, the top of arcuate conducting prong elements is provided with ground terminal;In use, by by inner sleeve precession extremely In outer sleeve, you can realize the electrical connection of arcuate conducting prong elements and conductive spring leaf, and then realize the ground connection of arcuate conducting prong elements, pass through The ground wire of equipment is connected on ground terminal, the ground connection of equipment is also achieved.When needing carrying or mobile device, it is not necessarily to Disconnect ground wire and ground terminal(It is destructive disconnect under normal conditions)Connection, by the way that inner sleeve is revolved from outer sleeve Go out, you can will connect wires, inner sleeve and arcuate conducting prong elements are moved together with equipment, avoid previous ground wire and be not easy to mobile or need The drawbacks of destroying ground wire.
Further, by the way that the warning device being made of shell, control circuit, loud speaker and alarm lamp, control is arranged Resistance measurement of the circuit processed between arcuate conducting prong elements and ground connection embedded board, shows imperfect earth when resistance is greater than the set value or connects Ground disconnects, then sends out 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.
Description of the drawings
Fig. 1 is the structural representation with the Electric Appliance Cabinet earthing or grounding means of detection ground state and warning function in real time of the present invention Figure;
Fig. 2 is the sectional view with the Electric Appliance Cabinet earthing or grounding means of detection ground state and warning function in real time of the present invention;
Fig. 3 is the structural schematic diagram in inner sleeve precession outer sleeve in the present invention;
Fig. 4 is the schematic diagram of control circuit in the present invention.
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 limiting plates, 10 positioning sleeves, 11 warning devices, 12 first measure terminals, and 13 second measure terminals, and 14 raise one's voice Device, 15 alarm lamps, 16 measure cable, 17 microcontrollers, 18 resistance measuring circuits, 19 power modules.
Specific implementation mode
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, the electric appliance with detection ground state and warning function in real time of the present invention is set forth The structural schematic diagram and sectional view of cabinet earthing or grounding means, shown in have in real time that detection ground state and the Electric Appliance Cabinet of warning function connect Ground device is by 11 groups of ground connection embedded board 1, outer sleeve 2, inner sleeve 3, top plate 4, arcuate conducting prong elements 5, conductive spring leaf 6 and warning device At, ground connection embedded board 1 is constructed from a material that be electrically conducting for fixing on the ground or be embedded among ground, with realize with the earth or Other objects(Such as ship)Conduct.Outer sleeve 2 is fixed on ground connection embedded board 1, and interior spiral shell is provided on the inner wall of outer sleeve 2 Line, conductive spring leaf 6 are arcuate shape, and conductive spring leaf 6 is located at the bottom of 2 internal cavities of outer sleeve, the power spring of arc The prominent form of 6 or more piece is fixed on ground connection embedded board 1, to realize and be grounded being electrically connected for embedded board 1.
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 is clearance fit with through-hole, to ensure 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 both sides of through-hole is respectively and fixedly provided with limiting plate 9, and to limit arcuate conducting prong elements 5, radially direction moves.The top of arcuate conducting prong elements 5 End is fixed with the ground terminal 7 being connected with the ground wire of equipment.
As shown in figure 3, the structural schematic diagram in the present invention in inner sleeve precession outer sleeve is given, in use, can be first The ground wire of equipment and ground terminal 7 are connected, then screwed in inner sleeve 3 in outer sleeve 2 by tool, in outer sleeve During 3 rotations, arcuate conducting prong elements 5 will not follow rotation, avoid to connect wires and turn-take and be destroyed;Inner sleeve 3 screws in After in outer sleeve 2, arcuate conducting prong elements 5 are withstood on conductive spring leaf 6 so that ground wire by arcuate conducting prong elements 5, conductive spring leaf 6, Embedded board 1 is grounded to be grounded.When needing mobile device, by screwing out inner sleeve 3, you can off device is grounded, without tearing open It unloads ground wire or is destroyed, after equipment is moved to another location, using other outer sleeve for removing equipment, or only setting connects Ground embedded board 1 and outer sleeve 2, 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 ensure 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 loud speaker At alarm lamp 15 and loud speaker 14 are set on shell, realize sound-light alarm effect.As shown in figure 4, giving the present invention The schematic diagram of middle control circuit is made of microcontroller 17, resistance measuring circuit 18 and power module 19, and microcontroller 17 has There are acquisition, operation and control action, power module 19 to provide 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 first and measures the measurement of terminals 12 and second Resistance value between terminals 13.Between microcontroller 17 detects that the first measurement terminals 12 and second measure terminals 13 Resistance value be more than setting value when, then control alarm lamp 15 and loud speaker 14 send out sound and light alarm signal, with alert device Ground connection is broken down, so that related personnel takes measures.

Claims (6)

1. a kind of Electric Appliance Cabinet earthing or grounding means with detection ground state and warning function in real time, it is characterised in that:Including ground connection Embedded board(1), outer sleeve(2), inner sleeve(3)And arcuate conducting prong elements(5), outer sleeve, which is fixed on, to be grounded on embedded board, outer sleeve Internal thread is provided on inner wall, the bottom of outer sleeve internal cavities is provided with the conductive spring leaf being fixed on ground connection embedded board (6);Be provided on the outer wall of inner sleeve with the matched external screw thread of internal thread on outer copper sheathing, to realize inner sleeve and outer sleeve It is threadedly coupled;The top of inner sleeve is fixed with top plate(4), through-hole is offered on top plate(8), arcuate conducting prong elements are located in inner sleeve simultaneously It is arranged through through-hole, arcuate conducting prong elements fit with the through hole, and arcuate conducting prong elements, which are located at through-hole both sides, is both provided with limiting plate (9), the top of the arcuate conducting prong elements is provided with the ground terminal being connected with ground wire(7).
2. the Electric Appliance Cabinet earthing or grounding means with detection ground state and warning function in real time according to claim 1, special Sign is:The conductive spring leaf(6)For upper prominent arcuate shape, arcuate conducting prong elements(5)Length meet:Inner sleeve(3)It screws in To outer sleeve(3)In after, arcuate conducting prong elements are in pressurized state to conductive spring leaf.
3. the Electric Appliance Cabinet earthing or grounding means with detection ground state and warning function in real time according to claim 1 or 2, It is characterized in that:The ground connection embedded board(1)On be fixed with positioning sleeve(10), outer sleeve(2)Lower end be threadedly coupled or interference The mode of cooperation is fixed on positioning sleeve.
4. the Electric Appliance Cabinet earthing or grounding means with detection ground state and warning function in real time according to claim 1 or 2, It is characterized in that:The ground connection embedded board(1)Using conductive material, outer sleeve(2), inner sleeve(3)And top plate(4)It is all made of hard PVC plastic, inner sleeve and top plate are structure as a whole.
5. the Electric Appliance Cabinet earthing or grounding means with detection ground state and warning function in real time according to claim 1 or 2, It is characterized in that:The warning device of alarm signal is sent out when bad including equipment ground state(11), warning device is by shell, setting Control circuit, loud speaker in shell(14)And alarm lamp(15)Composition, loud speaker and alarm lamp may be contained within On shell;Arcuate conducting prong elements(5)Top be provided with the first measurement terminals(12), it is grounded embedded board(1)On be fixed with the second survey Measure terminals(13), control circuit is through two measurement cables(16)Terminals and second are measured with first respectively and measure terminals phase Connection.
6. the Electric Appliance Cabinet earthing or grounding means with detection ground state and warning function in real time according to claim 1 or 2, It is characterized in that:The control circuit is by microcontroller(17), resistance measuring circuit(18)And power module(19)Composition, resistance are surveyed The input terminal and first for measuring circuit measure terminals(12)Terminals are measured with second(13)It is connected, output end and microcontroller It is connected;Power module provides constant voltage dc source to resistance measuring circuit, microcontroller, alarm lamp, loud speaker.
CN201810417213.2A 2018-05-04 2018-05-04 Electric Appliance Cabinet earthing or grounding means with real-time detection ground state and warning function Pending CN108390167A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810417213.2A CN108390167A (en) 2018-05-04 2018-05-04 Electric Appliance Cabinet earthing or grounding means with real-time detection ground state and warning function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810417213.2A CN108390167A (en) 2018-05-04 2018-05-04 Electric Appliance Cabinet earthing or grounding means with real-time detection ground state and warning function

Publications (1)

Publication Number Publication Date
CN108390167A true CN108390167A (en) 2018-08-10

Family

ID=63066240

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810417213.2A Pending CN108390167A (en) 2018-05-04 2018-05-04 Electric Appliance Cabinet earthing or grounding means with real-time detection ground state and warning function

Country Status (1)

Country Link
CN (1) CN108390167A (en)

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