CN109085392A - Discharge counter installs case - Google Patents
Discharge counter installs case Download PDFInfo
- Publication number
- CN109085392A CN109085392A CN201811201490.6A CN201811201490A CN109085392A CN 109085392 A CN109085392 A CN 109085392A CN 201811201490 A CN201811201490 A CN 201811201490A CN 109085392 A CN109085392 A CN 109085392A
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- China
- Prior art keywords
- discharge counter
- installation part
- installs case
- electrical contact
- metal cabinet
- 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.)
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- 239000002184 metal Substances 0.000 claims abstract description 81
- 229910052751 metal Inorganic materials 0.000 claims abstract description 81
- 238000009413 insulation Methods 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 87
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Elimination Of Static Electricity (AREA)
Abstract
The present invention relates to a kind of discharge counter installs cases, the discharge counter installs case includes metal cabinet, electrical contact and chucking device, electrical contact insulation is connected on the inner wall of metal cabinet and electrical contact is electrically connected by lead with the arrester for the outside for being set to metal cabinet, and the outer wall of metal cabinet passes through ground connection；Chucking device is used to for discharge counter to be installed on the inside of metal cabinet, and, in the case where discharge counter is installed on the intracorporal operating condition of metal box, being electrically connected into electric end with electrical contact of discharge counter, the current output terminal head of discharge counter is electrically connected with metal cabinet.The discharge counter installs case have the advantages that structure it is simple, it is versatile, can protect discharge counter and replacement discharge counter when without power-off remain to work normally arrester.
Description
Technical field
The present invention relates to electric power safety safeguard technical fields, more particularly, to a kind of discharge counter installs case.
Background technique
Arrester is widely used in substation, because of situations such as dampness, arrester multiple discharge, will lead to arrester
The problems such as discharge counter internal damage, pointer fall off or glass surface is smudgy, just needs replacing the electric discharge of arrester at this time
Counter.But discharge counter in the prior art is often more troublesome during installation, and discharge counter is in use
It cannot preferably be protected, easily make the glass surface of discharge counter smudgy or be damaged.
In addition, discharge counter in the prior art needs temporarily to disconnect arrester lead, to guarantee to make in replacement
The safety of industry personnel, but also arrester is resulted in temporarily to fail in this way, during arrester temporarily fails, in order to reduce substation
Operation risk, power-off stoppage in transit often is carried out to substation, influence substation normal work.
The information disclosed in the background technology section is intended only to deepen the understanding to general background technology of the present invention, without
It should be considered as recognizing or implying in any form that the information constitutes the prior art known in those skilled in the art.
Summary of the invention
Present invention has been made in view of the above problems, and its purpose is to provide a kind of discharge counter installs cases, can solve
Certainly at least one above problem.
The discharge counter installs case is simple, versatile with structure, can protect discharge counter and replacement electric discharge
The advantages of working normally arrester is remained to without power-off when counter.
The following technical scheme is adopted to achieve the purpose of the present invention:
The invention of first technical solution is a kind of discharge counter installs case, which includes metal box
Body, electrical contact and chucking device, electrical contact insulation are connected on the inner wall of the metal cabinet and described connect electricity
Contact is electrically connected by lead with the arrester for the outside for being set to the metal cabinet, and the outer wall of the metal cabinet is by connecing
It is ground wire grounded；The chucking device is used to for discharge counter being installed on the inside of the metal cabinet, and, in the discharge gage
Number device is installed under the intracorporal operating condition of the metal box, and the discharge counter is electrically connected into electric end and the electrical contact
It connects, the current output terminal head of the discharge counter is electrically connected with the metal cabinet.
In addition, the discharge counter installs case of the second technical solution, in the discharge counter installs case of the first technical solution
On the basis of, the chucking device includes fixed installation part and universal, one end of the fixed installation part and the metal
The inside tank wall of cabinet is fixedly connected；The universal includes the first installation part and the second installation part, in which:
First installation part is fixedly connected with second installation part；First installation part and the discharge counter
It is detachably connected, the mounting hole for installing the current output terminal head is provided on first installation part；Second installation
Pass through connected structure grafting between part and the fixed installation part.
In addition, the discharge counter installs case of third technical solution, in the discharge counter installs case of the second technical solution
On the basis of, the connected structure includes the grafting end being set on second installation part and is set to the fixed installation part
On inserting groove；
The grafting end includes extension and connect and be inserted into the grafting with the free end of the extension
Elastic clamping piece inside slot.
In addition, the discharge counter installs case of the 4th technical solution, in the discharge counter installs case of third technical solution
On the basis of, through-hole is offered on the groove body peripheral wall of the inserting groove, is inserted into the inserting groove in the grafting end
Under the operating condition in portion, the end of the elastic clamping piece can be fastened in the through-hole.
In addition, the discharge counter installs case of the 5th technical solution, in the discharge counter installs case of third technical solution
On the basis of, the connected structure further includes the compressed spring being set between the elastic clamping piece and the extension,
One end of the compressed spring is connect with the extension, and the other end of the compressed spring and the extension connect
It connects.
In addition, the discharge counter installs case of the 6th technical solution, in the discharge counter installs case of the second technical solution
On the basis of, the mounting hole includes circular mounting hole and kidney-shaped mounting hole.
In addition, the discharge counter installs case of the 7th technical solution, in the discharge counter installs case of the first technical solution
On the basis of, the electrical contact is the Mume flower contact that end is formed with conductive groove, described to be inserted into described lead into electric end
The inside of electric groove with the electrical contact to be electrically connected.
In addition, the discharge counter installs case of the 8th technical solution, in the discharge counter installs case of the 7th technical solution
On the basis of, the abutting bullet extended along the central axes of the conductive groove is also fixedly connected in the inner bottom wall of the conductive groove
Spring.
In addition, the discharge counter installs case of the 9th technical solution, in the discharge counter installs case of the first technical solution
On the basis of, the discharge counter installs case also has and can be electrically connected the electrical contact with the metal cabinet to right
The temporary short-circuit device that the discharge counter is powered off.
In addition, the discharge counter installs case of the tenth technical solution, in the discharge counter installs case of the 9th technical solution
On the basis of, the temporary short-circuit device includes metal plectrum, installation axle and gear shaft,
The metal plectrum is installed on the inner wall of the metal cabinet by the installation axle, and the metal plectrum energy
Enough axial lines around the installation axle rotate,
Under Short-circuit Working Condition, the metal plectrum is overlapped on the electrical contact to which the discharge counter is short
Road；Under non-shorting operating condition, the metal plectrum is overlapped on the gear shaft.
In conjunction with above technical scheme, bring beneficial effect of the present invention is analyzed as follows:
A kind of discharge counter installs case, the discharge counter installs case include metal cabinet, electrical contact and are loaded
Device, electrical contact insulation is connected on the inner wall of metal cabinet and electrical contact passes through lead and is set to the outer of metal cabinet
The arrester in portion is electrically connected, and the outer wall of metal cabinet passes through ground connection；Chucking device is for discharge counter to be installed on
The inside of metal cabinet, and, in the case where discharge counter is installed on the intracorporal operating condition of metal box, discharge counter into electric end with
Electrical contact is electrically connected, the current output terminal head of discharge counter is electrically connected with metal cabinet.
Discharge counter is mounted on metal cabinet when in use, by chucking device by the discharge counter installs case
Interior, arrester, discharge counter, metal cabinet and the earth sequentially form electrical connection at this time, and arrester works normally, metal cabinet
Structure is simple, other than as conductive component, moreover it is possible to protect as part is installed to discharge counter, prevent discharge counter
By wind and weather, the use mission of discharge counter is improved.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And structure specifically noted by attached drawing is achieved and obtained.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the overall structure side view of the specific embodiment of discharge counter installs case provided by the invention；
Fig. 2 is the partial enlargement diagram of the chucking device in Fig. 1；
Fig. 3 is the main view of the universal in Fig. 1；
Fig. 4 is the main view of the temporary short-circuit device in Fig. 1.
Icon: 100- electrical contact；110- abuts spring；200- chucking device；210- universal；211- first pacifies
Piece installing；2111- kidney-shaped mounting hole；2112- circular mounting hole；The second installation part of 212-；213- elastic clamping piece；214- compresses bullet
Spring；220- fixed installation part；300- temporary short-circuit device；310- metal plectrum；320- installation axle；330- gear shaft；400- electric discharge
Counter；410- is into electric end；420- current output terminal head.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Below according to the structure of discharge counter installs case provided by the invention, its specific embodiment is illustrated.
Fig. 1 is the overall structure side view of the specific embodiment of discharge counter installs case provided by the invention；Fig. 2 is figure
The partial enlargement diagram of chucking device in 1；Fig. 3 is the main view of the universal in Fig. 1；Fig. 4 is interim in Fig. 1
The main view of short-circuiting means.
As shown in Figures 1 to 4, a kind of discharge counter installs case is present embodiments provided, the discharge counter installs case
Including metal cabinet, electrical contact 100 and chucking device 200, the insulation of electrical contact 100 is connected on the inner wall of metal cabinet
And electrical contact 100 is electrically connected by lead with the arrester for the outside for being set to metal cabinet, the outer wall of metal cabinet passes through
Ground connection；Chucking device 200 is used to for discharge counter 400 being installed on the inside of metal cabinet, and, in discharge counter
400 are installed under the intracorporal operating condition of metal box, and discharge counter 400 is electrically connected with electrical contact 100 into electric end 410, puts
The current output terminal head 420 of electric counter 400 is electrically connected with metal cabinet.
Further, chucking device 200 includes fixed installation part 220 and universal 210, fixed installation part 220
One end is fixedly connected with the inside tank wall of metal cabinet；Universal 210 includes the first installation part 211 and the second installation part
212, in which: the first installation part 211 is fixedly connected with the second installation part 212；First installation part 211 can with discharge counter 400
Dismantling connection is provided with the mounting hole for installing current output terminal head 420 on the first installation part 211；Second installation part 212 with it is solid
Pass through connected structure grafting between Dingan County's piece installing 220.
Specifically, in order to guarantee that discharge counter 400 passes through the stability that chucking device 200 is electrically connected with metal cabinet,
Fixed installation part 220 and universal 210 are settable but be not limited to copper material.
Further, connected structure includes the grafting end being set on the second installation part 212 and is set to fixed peace
Inserting groove in piece installing 220；Grafting end includes extension and connect and be inserted into inserting groove with the free end of extension
Internal elastic clamping piece 213.
Further, through-hole is offered on the groove body peripheral wall of inserting groove, is inserted into inserting groove in grafting end
Under the operating condition in portion, the end of elastic clamping piece 213 can be fastened in through-hole.
In addition, connected structure further includes the compressed spring 214 being set between elastic clamping piece 213 and extension, compression
One end of spring 214 is connect with extension, and the other end of compressed spring 214 is connect with extension.
In addition, mounting hole includes circular mounting hole 2112 and kidney-shaped mounting hole 2111.
In addition, electrical contact 100 is the Mume flower contact that end is formed with conductive groove, it is inserted into leading into electric end 410
The inside of electric groove with electrical contact 100 to be electrically connected.
Further, the abutting along the extension of the central axes of conductive groove is also fixedly connected in the inner bottom wall of conductive groove
Spring 110.
In addition, discharge counter installs case, which also has, can be electrically connected electrical contact 100 with metal cabinet thus to putting
The temporary short-circuit device 300 that electric counter 400 is powered off.
Further, temporary short-circuit device 300 includes metal plectrum 310, installation axle 320 and gear shaft 330, metal plectrum
310 are installed on the inner wall of metal cabinet by installation axle 320, and plectrum can be rotated around the axial line of installation axle 320, short
Under the operating condition of road, metal plectrum 310 is overlapped on electrical contact 100 to which discharge counter 400 is short-circuit；In non-shorting operating condition
Under, metal plectrum 310 is overlapped on gear shaft 330.
Specific structure of the invention is illustrated above, illustrates its usage mode below.
Discharge counter is mounted on metal when in use, by chucking device by above-mentioned discharge counter installs case
In cabinet, lightning rod, discharge counter, metal cabinet and the earth sequentially form electrical connection at this time, and arrester works normally, metal
Body structure is simple, other than as conductive component, moreover it is possible to protect as part is installed to discharge counter, prevent discharge gage
Number device is improved the use mission of discharge counter by wind and weather.
In addition, discharge counter in the prior art needs temporarily to disconnect lightning rod lead, to guarantee to make in replacement
The safety of industry personnel, but also arrester is resulted in temporarily to fail in this way, during arrester temporarily fails, in order to reduce substation
Operation risk, power-off stoppage in transit often is carried out to substation, influence substation normal work.
In contrast, the discharge counter installs case, which also has, can be electrically connected electrical contact with metal cabinet to right
The temporary short-circuit device that discharge counter is powered off.
When needing replacing the discharge counter of damage, temporary short-circuit device is connected, is short-circuited discharge counter temporarily
Protection, lightning rod, short-circuiting means, metal cabinet and the earth sequentially form electrical connection at this time, and arrester still can work normally,
Lightning rod lead need to be disconnected in the discharge counter of replacement damage by solving arrester in the prior art, lose arrester temporarily
The problem of effect.
In addition, chucking device includes fixed installation part and universal, fixed peace in above-mentioned specific embodiment
One end of piece installing is fixedly connected with the inside tank wall of metal cabinet；Universal includes the first installation part and the second installation part,
Wherein: the first installation part is fixedly connected with the second installation part；First installation part is detachably connected with discharge counter, in the first peace
The mounting hole for installing current output terminal head is provided in piece installing；It is inserted between second installation part and fixed installation part by connected structure
It connects.Such structure makes can not only to make through structure grafting by discharge counter dismounting and change, moreover it is possible to which passing through the first installation part will
Discharge counter dismounting and change, structure is simple, convenient disassembly.
In addition, connected structure includes the grafting end being set on the second installation part in above-mentioned specific embodiment
With the inserting groove being set in fixed installation part；Grafting end includes extension and connect and can insert with the free end of extension
Enter the elastic clamping piece to inserting groove.Elastic clamping piece can be improved the second installation part and the grafting of fixed installation part is stablized
Property, and disassembly process is more convenient.
In addition, through-hole is offered on the groove body peripheral wall of inserting groove, in grafting end in above-mentioned specific embodiment
It is inserted under the operating condition of the inside of inserting groove, the end of elastic clamping piece can be fastened in through-hole.Such structure is being inserted
Through-hole and elastic clamping piece can be made to form barb latching structure when connecing fixed, further increase splicing stability.
In addition, in above-mentioned specific embodiment, connected structure further include be set to elastic clamping piece and extension it
Between compressed spring, one end of compressed spring connect with extension, and the other end of compressed spring is connect with extension.Compressed spring
Elastic clamping piece can be made to deviate from the trend of extension " opening " always, through-hole and elastic clamping piece is made to form barb latching structure more
Stablize, further increases splicing stability.
In addition, mounting hole includes circular mounting hole and kidney-shaped mounting hole in above-mentioned specific embodiment.Due to existing
The dimensions disunity of discharge counter in technology, be set to the current output terminal head of discharge counter two installation bolts it
Between distance it is generally different, circular mounting hole and kidney-shaped mounting hole can make the first installation part be applicable in the different dimensions of installation
Discharge counter improves the versatility of the discharge counter installs case.
In addition, electrical contact is the Mume flower contact that end is formed with conductive groove in above-mentioned specific embodiment, into
Electric end is inserted into the inside of conductive groove to be electrically connected with electrical contact.Conductive groove be capable of increasing into electric end with connect
The contact area of electrical contact improves the electrical connection stability of the two.
In addition, being also fixedly connected in the inner bottom wall of conductive groove in above-mentioned specific embodiment along conductive recessed
The abutting spring that the central axes of slot extend.Abutting spring can be pressurized when being inserted into conductive groove into electric end, and will be into electric end
Head is electrically connected with electrical contact, further increases the electrical connection stability of the two.
In addition, temporary short-circuit device includes metal plectrum, installation axle and gear shaft, gold in above-mentioned specific embodiment
Belong to plectrum to be installed on the inner wall of metal cabinet by installation axle, and metal plectrum can be rotated around the axial line of installation axle,
Under Short-circuit Working Condition, metal plectrum is overlapped on electrical contact to which discharge counter is short-circuit；Under non-shorting operating condition, metal is dialled
Oblique cut grafting is on gear shaft.It include metal plectrum, installation axle and gear shaft by temporary short-circuit device, structure is simple, grasp when short circuit
Facilitate.
The structure of specific embodiments of the present invention is illustrated above, but not limited to this.
For example, chucking device includes fixed installation part and the general peace of universal in above-mentioned specific embodiment
Piece installing includes the first installation part and the second installation part, and the first installation part is detachably connected with discharge counter, the second installation part and
Pass through connected structure grafting between fixed installation part.
But not limited to this, will can also be arranged to be fixedly connected between the second installation part and fixed installation part, equally can be real
Existing chucking device detachably installs the function of discharge counter, but according to the structure of specific embodiment, by the second installation part
It is arranged to grafting between fixed installation part, can make to have discharge counter dismounting and change by structure grafting can be by the
For one installation part by discharge counter dismounting and change, dismounting is more convenient.
In addition, connected structure includes the grafting end being set on the second installation part in above-mentioned specific embodiment
With the inserting groove being set in fixed installation part；Grafting end includes extension and connect and can insert with the free end of extension
Enter the elastic clamping piece to inserting groove.
But not limited to this, and grafting end can also be not provided with elastic clamping piece, is changed to the free end of extension and grafting
Slot interference fit, the inserting function of same achievable connected structure, but according to the structure of specific embodiment, in grafting end
Elastic clamping piece is set, can be reached while facilitate grafting, the beneficial effect of stability is also improved.
In addition, through-hole is offered on the groove body peripheral wall of inserting groove, in grafting end in above-mentioned specific embodiment
It is inserted under the operating condition of the inside of inserting groove, the end of elastic clamping piece can be fastened in through-hole.
But not limited to this, and through-hole can also be not provided on the groove body peripheral wall of inserting groove, does not influence inserting for connected structure equally
Connection function, but according to the structure of specific embodiment, through-hole is set, through-hole and elastic clamping piece shape can be made when being plugged and fixed
At barb latching structure, splicing stability is further increased.
In addition, in above-mentioned specific embodiment, connected structure further include be set to elastic clamping piece and extension it
Between compressed spring.
But not limited to this, and connected structure can also be not provided with compressed spring, does not influence the inserting function of connected structure equally,
But according to the structure of specific embodiment, compressed spring is set, through-hole and elastic clamping piece can be made to form barb latching structure
It is more stable, further increase splicing stability.
In addition, mounting hole includes circular mounting hole and kidney-shaped mounting hole in above-mentioned specific embodiment.
But not limited to this, and mounting hole may be alternatively provided as two circular mounting holes, does not influence the installation function of mounting hole equally
Can, but according to the structure of specific embodiment, mounting hole is arranged to circular mounting hole and kidney-shaped mounting hole, mounting hole can be made
It is applicable in the discharge counter for installing different dimensions, improves the versatility of the discharge counter installs case.
In addition, electrical contact is the Mume flower contact that end is formed with conductive groove in above-mentioned specific embodiment.
But not limited to this, and electrical contact can also be not provided with conductive groove, does not influence electrical contact connection conduction equally
Function, but according to the structure of specific embodiment, conductive groove is arranged in electrical contact, is capable of increasing into electric end and connects electricity
The contact area of contact improves the electrical connection stability of the two.
In addition, being also fixedly connected in the inner bottom wall of conductive groove in above-mentioned specific embodiment along conductive recessed
The abutting spring that the central axes of slot extend.
But not limited to this, and the inside of conductive groove can also be not provided with abutting spring, is not equally influencing conductive groove just
It is often used function, but according to the structure of specific embodiment, setting abuts spring in conductive groove, abutting spring can be
It is pressurized, and will be electrically connected into electric end with electrical contact when being inserted into conductive groove into electric end, further increase being electrically connected for the two
Connect stability.
In addition, temporary short-circuit device includes metal plectrum, installation axle and gear shaft, gold in above-mentioned specific embodiment
Belong to plectrum to be installed on the inner wall of metal cabinet by installation axle, and plectrum can be rotated around the axial line of installation axle, in short circuit
Under operating condition, metal plectrum is overlapped on electrical contact to which discharge counter is short-circuit；Under non-shorting operating condition, metal plectrum is taken
It is connected on gear shaft.
But not limited to this, temporary short-circuit device can also be arranged to one metal cabinet is electrically connected with electrical contact by
Button switch is realized by button switch by discharge counter temporary short-circuit, but according to the structure of specific embodiment, will be faced
When short-circuiting means be arranged to metal plectrum, installation axle and gear shaft, structure is simple, carry out short circuit when it is easy to operate.
In addition, discharge counter installs case of the invention, can be composed of, equally the various structures of above embodiment
Above-mentioned effect can be played.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of discharge counter installs case, it is characterised in that: including metal cabinet, electrical contact and chucking device,
The electrical contact insulation is connected on the inner wall of the metal cabinet and the electrical contact passes through lead and is set to
The arrester of the outside of the metal cabinet is electrically connected, and the outer wall of the metal cabinet passes through ground connection；
The chucking device is used to for discharge counter being installed on the inside of the metal cabinet, and, in the discharge counter
It is installed under the intracorporal operating condition of the metal box, being electrically connected into electric end with the electrical contact of the discharge counter, institute
The current output terminal head for stating discharge counter is electrically connected with the metal cabinet.
2. discharge counter installs case according to claim 1, it is characterised in that:
The chucking device includes fixed installation part and universal,
One end of the fixed installation part is fixedly connected with the inside tank wall of the metal cabinet；
The universal includes the first installation part and the second installation part, in which:
First installation part is fixedly connected with second installation part；First installation part and the discharge counter are removable
Connection is unloaded, the mounting hole for installing the current output terminal head is provided on first installation part；Second installation part with
Pass through connected structure grafting between the fixed installation part.
3. discharge counter installs case according to claim 2, it is characterised in that:
The connected structure includes the grafting end being set on second installation part and is set in the fixed installation part
Inserting groove；
The grafting end includes extension and connect and be inserted into the inserting groove with the free end of the extension
The elastic clamping piece in portion.
4. discharge counter installs case according to claim 3, it is characterised in that:
Through-hole is offered on the groove body peripheral wall of the inserting groove, is inserted into the inside of the inserting groove in the grafting end
Under operating condition, the end of the elastic clamping piece can be fastened in the through-hole.
5. discharge counter installs case according to claim 3, it is characterised in that:
The connected structure further includes the compressed spring being set between the elastic clamping piece and the extension,
One end of the compressed spring is connect with the extension, and the other end of the compressed spring is connect with the extension.
6. discharge counter installs case according to claim 2, it is characterised in that: the mounting hole includes circular mounting hole
With kidney-shaped mounting hole.
7. discharge counter installs case according to claim 1, it is characterised in that:
The electrical contact is that end is formed with the Mume flower contact of conductive groove, and described into electric end to be inserted into the conduction recessed
The inside of slot with the electrical contact to be electrically connected.
8. discharge counter installs case according to claim 7, it is characterised in that:
The abutting spring extended along the central axes of the conductive groove is also fixedly connected in the inner bottom wall of the conductive groove.
9. discharge counter installs case according to claim 1, it is characterised in that: the discharge counter installs case also has
Having can be electrically connected the electrical contact with the metal cabinet to power off to the discharge counter interim short
Road device.
10. discharge counter installs case according to claim 9, it is characterised in that:
The temporary short-circuit device includes metal plectrum, installation axle and gear shaft,
The metal plectrum is installed on the inner wall of the metal cabinet by the installation axle, and the metal plectrum can be around
The axial line of the installation axle rotates,
Under Short-circuit Working Condition, the metal plectrum is overlapped on the electrical contact to which the discharge counter is short-circuit；
Under non-shorting operating condition, the metal plectrum is overlapped on the gear shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811201490.6A CN109085392A (en) | 2018-10-15 | 2018-10-15 | Discharge counter installs case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811201490.6A CN109085392A (en) | 2018-10-15 | 2018-10-15 | Discharge counter installs case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109085392A true CN109085392A (en) | 2018-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811201490.6A Pending CN109085392A (en) | 2018-10-15 | 2018-10-15 | Discharge counter installs case |
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|---|---|
| CN (1) | CN109085392A (en) |
Citations (12)
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