CN109521228A - A kind of electrical fitting and chassis components for power panel - Google Patents
A kind of electrical fitting and chassis components for power panel Download PDFInfo
- Publication number
- CN109521228A CN109521228A CN201710841109.1A CN201710841109A CN109521228A CN 109521228 A CN109521228 A CN 109521228A CN 201710841109 A CN201710841109 A CN 201710841109A CN 109521228 A CN109521228 A CN 109521228A
- Authority
- CN
- China
- Prior art keywords
- hole
- power panel
- panel
- electrical fitting
- conductive part
- 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
Links
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
- G01R1/0416—Connectors, terminals
Abstract
A kind of electrical fitting for power panel, comprising: conductive part is arranged on power panel and is electrically connected with the connecting pin of the first pressure-sensitive ground resistance and the second varistor in surge absorbing circuit in power panel, the first hole is formed in conductive part；Insulation division is contacted with conductive part, is formed in insulation division and matched second hole of the first hole, wherein, when power panel and power panel panel-mounted are completed, insulation division is between conductive part and power panel panel, for conductive part and power panel panel to be electrically isolated.The electrical fitting enable to field personnel efficient, highly reliable, scientific can insulate to chassis components, pressure resistance, surge, impulse train test, simplify workflow, can prevent chassis components electronic product from dispatching from the factory in spite of illness.
Description
Technical field
The present invention relates to power electronics fields, specifically, be related to a kind of electrical fitting for power panel and
Chassis components.
Background technique
Since rail traffic power supply product experimental condition is harsher, power panel can encounter insulation examination during the test
It tests, the test of pressure test, surge test and burst of pulses, and different pilot projects has different experimental conditions.For example, electric
It has to for varistor being isolated with the earth EARTH during source plate Insulation Test, pressure test, the two cannot be connected to one
It rises, otherwise can not do insulation pressure test.And the test of surge test, burst of pulses then has to varistor and the earth EARTH
Connection, otherwise varistor can not absorb surge voltage and burst of pulses.
After power panel is successfully fixedly mounted, need repeatedly to weld varistor disassembly again during doing various tests
It connects, so not only reduces the working efficiency of field worker, while also reducing power panel pressure resistance, Anti-surging and protecting against shock
Performance.
Summary of the invention
To solve the above problems, the present invention provides a kind of electrical fitting for power panel, the electrical fitting
Include:
Conductive part, be arranged on power panel and with the first pressure-sensitive ground resistance in surge absorbing circuit in the power panel
It is electrically connected with the connecting pin of the second varistor, is formed with the first hole in the conductive part；
Insulation division is contacted with the conductive part, is formed in the insulation division and first hole matched second
Hole, wherein when the power panel and power panel panel-mounted are completed, the insulation division is located at the conductive part and power panel
Between panel, for the conductive part and power panel panel to be electrically isolated.
According to one embodiment of present invention, the electrical fitting further include:
Detachable conduct piece, when first varistor and the second varistor needs connect with big ground terminal when, it is described
The first end of conduct piece passes through second hole and is inserted into first hole to be electrically connected with first hole, second end
It is in electrical contact with the power panel, to realize being electrically connected for the conductive part and power panel panel.
According to one embodiment of present invention, the detachable conduct piece includes sunk screw.
According to one embodiment of present invention, the outer wall of the detachable conduct piece and the inner wall of the first hole are formed with
It being capable of mutually matched screw thread.
According to one embodiment of present invention, the conductive part includes:
First conductive parts, first conductive component are formed with first hole；
Second conductive parts, it is affixed with first conductive component, for the described first pressure-sensitive ground resistance and the
The connecting pin of two varistors connects.
According to one embodiment of present invention, the described first conductive parts are also formed with several mounting holes, the insulation
Portion is formed with the installation protrusion that several mounting holes with the described first conductive parts match.
According to one embodiment of present invention, the described first conductive parts include boss.
According to one embodiment of present invention, the second hole of the insulation division includes the first hole composition portion and the second hole
Hole composition portion, wherein the geometric dimension in the first hole composition portion and the geometric dimension of the boss match, and described second
The internal diameter in hole composition portion and the internal diameter of first hole match.
According to one embodiment of present invention, the outer wall of the boss is formed with protrusion.
The present invention also provides a kind of chassis components, the chassis components include: power panel；Described in any item electricity as above
Gas connector；And power panel panel.
Compared to existing chassis components, electrical fitting provided by the present invention enables to field personnel can
Efficiently, highly reliable, scientific insulated to chassis components, pressure resistance, surge, impulse train test, simplify workflow, can
Prevent chassis components electronic product from dispatching from the factory in spite of illness.Meanwhile the electrical fitting also improves the reliable of chassis components electronic product
Property, it avoids and the power panel inside chassis components electronic product is dismantled repeatedly because of various test problems, in use process
In only need that one sunk screw is installed to the surface of chassis components electronic product various test problems, cabinet can be solved
The reliability of component electronic product has obtained certain promotion.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention can be by specification, right
Specifically noted structure is achieved and obtained in claim and attached drawing.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is required attached drawing in technical description to do simple introduction:
Fig. 1 shows varistor in power panel and is grounded schematic illustration；
Fig. 2 is the structural schematic diagram of chassis components according to an embodiment of the invention；
Fig. 3 is the cross-sectional view of electrical fitting according to an embodiment of the invention；
Fig. 4 a, Fig. 4 b and Fig. 4 c be respectively the main view of conductive part according to an embodiment of the invention, left view and
Top view；
Fig. 5 a, Fig. 5 b and Fig. 5 c be respectively the main view of insulation division according to an embodiment of the invention, top view with
And perspective view.
Specific embodiment
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings and examples, how to apply to the present invention whereby
Technological means solves technical problem, and the realization process for reaching technical effect can fully understand and implement.It needs to illustrate
As long as not constituting conflict, each feature in each embodiment and each embodiment in the present invention can be combined with each other,
It is within the scope of the present invention to be formed by technical solution.
Meanwhile in the following description, for illustrative purposes and numerous specific details are set forth, to provide to of the invention real
Apply the thorough understanding of example.It will be apparent, however, to one skilled in the art, that the present invention can not have to tool here
Body details or described ad hoc fashion are implemented.
Fig. 1 shows varistor in power panel and is grounded schematic illustration.From figure 1 it appears that the EMI of power panel is filtered
The front stage circuits of wave device U1 are needed plus varistor (including the first varistor RV1, the second varistor RV2 and third
Varistor RV3).Wherein, when carrying out surge test and burst of pulses to power panel and testing, the first varistor RV1 with
It has to connect the earth between second varistor RV2 to handle, i.e. the first varistor RV1 and the second varistor RV2's
Public connecting end is connect with the earth port EARTH, and such power panel also can when there are high voltage surge and burst of pulses
To absorb surge voltage and burst of pulses using varistor and be discharged by the earth port EARTH.
In the design, generating process of veneer Switching Power Supply plug-in unit, need to insulate to power panel, pressure resistance, surge with
And the various tests such as burst of pulses.During carrying out surge test and burst of pulses test to power panel, needing will be in power panel
Varistor be connected to the earth, existing power panel generallys use the mode of welding to realize above-mentioned connection；And to power supply
During plate carries out Insulation Test and pressure test, need by above-mentioned varistor and cabinet (i.e. greatly) to disconnect, because
This also just needs layer to remove the varistor in assembled power panel using soldering iron, disconnects varistor and cabinet with this
Connection between ground.This operation for carrying out repeated disassembled and assembled to varistor can performance to power panel, aesthetics and reliable
Property impacts, and can also reduce the working efficiency of site operation personnel.
For the above problem in the presence of the prior art, the present invention provides a kind of new electrically connecting for power panel
The chassis components of fitting and the application electrical fitting, the electrical fitting only need on the surface of chassis components electronic product
Installing a screw can be solved connectivity problem between varistor and the earth port EARTH, to avoid because of various tests
Problem and the power panel inside cabinet electronic product is dismantled repeatedly.
Fig. 2 shows the structural schematic diagrams of the chassis components in the present embodiment.
As shown in Fig. 2, chassis components provided by the present embodiment preferably include: electrical fitting 201, power panel 202
And power panel panel 203.Wherein, electrical fitting 201 be mounted on power panel 201 and with it is in power panel 201 first pressure-sensitive
The electrical connection of the connecting pin of resistance and the second varistor.
Specifically, in the present embodiment, in conjunction with shown in Fig. 2 and Fig. 3, electrical fitting 201 preferably includes conductive part 201a
With insulation division 201b.Wherein, conductive part 201a be arranged on power panel 202 and in power panel 202 the first varistor and
The connecting pin of second varistor is electrically connected, and is provided with the first hole 301 in conductive part 201a.Insulation division 201b and conductive part
201a is contacted, and is formed with and matched second hole 302 of above-mentioned first hole 301 in insulation division 201b.When power panel 202 and electricity
After the assembly is completed, insulation division 201b will be between conductive part 201a power panel panel 203, thus by conductive for source plate panel 203
Portion 201a and power panel panel 203 are electrically isolated.Since power panel panel 203 is with cabinet to be electrically connected, insulate at this time
Portion 201b also just will be electrically connected partition between the first varistor and the connecting pin of the second varistor and cabinet ground.
In order to clearly illustrate the structure of conductive part 201a and insulation division 201b provided by the present embodiment, below
Main view, left view and the main view and Fig. 5 a, Fig. 5 b of the conductive part 201a in conjunction with shown in Fig. 4 a, Fig. 4 b and Fig. 4 c and
The main view of insulation division 201b, top view and perspective view shown in Fig. 5 c are further described the electrical fitting.
Conductive part 201a provided by the present embodiment preferably includes the first conductive parts 303 and the second conductive parts
304.Wherein, the center position of the first conductive parts 303 is provided with the first hole 301.When electrical fitting 201 is mounted on
When on power panel 202, the second conductive parts 304 are preferably mounted in the corresponding conductive port in power panel 202, and such the
Two conductive parts 304 can be also electrically connected with the connecting pin of the first varistor and the second varistor in power panel 201.
Due to being electrical contact with each other between the first conductive parts 303 and the second conductive parts 304, the first conductive part at this time
Component 303 also just can be equally electrically connected with the connecting pin of the first varistor and the second varistor in power panel 201.
In the present embodiment, the first conductive parts 303 and the second conductive parts 304 are preferably using integrated molding ground
Mode forms conductive part 201a.Certainly, in other embodiments of the invention, the first conductive parts 303 and second are conductive
Parts 304 can also form conductive part 201a by welding, and the invention is not limited thereto.
In the present embodiment, boss 303a is also formed on the first conductive parts 303, wherein boss 303a is preferably
For round boss.In order to which preferably with insulation division 201b reliable contacts, in the present embodiment, the outer wall of boss 303a is preferably
It is formed with annular protrusion, so that there are larger frictional force between the outer wall of boss 303a and the inner wall of insulation division 201b, into
And to be reliably connected between the first conductive part 201a and insulation division 201b.
With the boss 303a on the first conductive parts 303 correspondingly, in the present embodiment, in insulation division 201b second
Hole 302 preferably forms portion 302a by the first hole and the second hole forms portion 302b and is composed.Wherein, the present embodiment
In, the geometric dimension of the first hole composition portion 302a and the geometric dimension of boss 303a match.For example, the first hole composition portion
The diameter of 302a is preferably slightly smaller than the outer diameter (containing annular protrusion) of boss 303a, and such insulation division 201b also can be first
Pressure reliable contacts between passing through at hole composition portion 302a with the first conductive part 201a.First hole composition portion 302a
Depth be preferably about equal to the height of boss 303a.Meanwhile second hole composition portion 302b match with the first hole 301
(i.e. the diameter of the second hole composition portion 302b is approximately equal to the diameter of the first hole 301a).
In order to enable the connection between conductive part 201a and insulation division 201b is relatively reliable, and in the present embodiment, conductive part
Several mounting holes 305 are also formed in the conductive parts 303 of the first of 201a, and are then formed on insulation division 201b and above-mentioned peace
The installation protrusion 306 that dress hole matches.After conductive part 201a and insulation division 201b is assembled, the installation protrusion of insulation division 201b
306 are also inserted into the mounting hole 305 of conductive part 201a, so that conductive part 201a more may be used with the contact of insulation division 201b
It leans on.
Again as shown in Fig. 2, in the present embodiment, which further includes dismountable conduct piece 204.Work as power panel
202 with power panel panel 203 after the assembly is completed, the center of the hole in power panel panel 203 will be in electrical fitting 201
The center of hole is overlapped.Being electrically connected between conductive part 201a and power panel panel 203 is not turned at this time, i.e., first is pressure-sensitive
Being electrically connected between resistance and the connecting pin of the second varistor and cabinet ground is partition.And if conduct piece 204 passes through electricity
When in the hole in the hole insertion electrical fitting 201 of source plate panel 203, the first end of conduct piece 204, which passes through, electrically to be connected
Second hole of fitting 201 is simultaneously inserted into the first hole of electrical fitting 201 and is in electrical contact with the inner wall of the first hole, and leads
The second end and power panel panel 203 of electric part 203 are in electrical contact, therefore at this time between conductive part 201a and power panel panel 203
Electrical connection is conducting, i.e. the first varistor is conducting with being electrically connected between the connecting pin of the second varistor and cabinet ground
's.
In the present embodiment, conduct piece 204 is preferably realized using crossed countersunk head screw, wherein the of conductive part 201a
The inner wall of one hole 301 is formed with the screw thread matched with crossed countersunk head screw.When chassis components electronic product needs to carry out absolutely
When edge test and pressure test, it is thus only necessary to back-out conduct piece 204 from power panel panel 203, without to chassis components
It is dismantled, realization can be realized will be between the first varistor in power panel and the connecting pin and cabinet ground of the second varistor
Electrical connection partition.And when chassis components electronic product needs to carry out surge test, pulse testing, it is thus only necessary to by conduct piece
204 are tightened in the threaded hole of power panel panel 203, can be realized the first varistor in power panel and the second varistor
Connecting pin be connected with the electrical connection between cabinet ground.
Compared to existing chassis components, electrical fitting provided by the present invention enables to field personnel can
Efficiently, highly reliable, scientific insulated to chassis components, pressure resistance, surge, impulse train test, simplify workflow, can
Prevent chassis components electronic product from dispatching from the factory in spite of illness.Meanwhile the electrical fitting also improves the reliable of chassis components electronic product
Property, it avoids and the power panel inside chassis components electronic product is dismantled repeatedly because of various test problems, in use process
In only need that one sunk screw is installed to the surface of chassis components electronic product various test problems, cabinet can be solved
The reliability of component electronic product has obtained certain promotion.
It should be understood that disclosed embodiment of this invention is not limited to specific structure disclosed herein or processing step
Suddenly, the equivalent substitute for these features that those of ordinary skill in the related art are understood should be extended to.It should also be understood that
It is that term as used herein is used only for the purpose of describing specific embodiments, and is not intended to limit.
" one embodiment " or " embodiment " mentioned in specification means the special characteristic described in conjunction with the embodiments, structure
Or characteristic is included at least one embodiment of the present invention.Therefore, the phrase " reality that specification various places throughout occurs
Apply example " or " embodiment " the same embodiment might not be referred both to.
Although above-mentioned example is used to illustrate principle of the present invention in one or more application, for the technology of this field
For personnel, without departing from the principles and ideas of the present invention, hence it is evident that can in form, the details of usage and implementation
It is upper that various modifications may be made and does not have to make the creative labor.Therefore, the present invention is defined by the appended claims.
Claims (10)
1. a kind of electrical fitting for power panel, which is characterized in that the electrical fitting includes:
Conductive part, be arranged on power panel and with the first pressure-sensitive ground resistance and in surge absorbing circuit in the power panel
The connecting pin of two varistors is electrically connected, and is formed with the first hole in the conductive part；
Insulation division is contacted with the conductive part, be formed in the insulation division with matched second hole of first hole,
Wherein, when the power panel and power panel panel-mounted are completed, the insulation division is located at the conductive part and power panel panel
Between, for the conductive part and power panel panel to be electrically isolated.
2. electrical fitting as described in claim 1, which is characterized in that the electrical fitting further include:
Detachable conduct piece, when first varistor and the second varistor needs connect with big ground terminal when, it is described removable
The first end for unloading conduct piece passes through second hole and is inserted into first hole to be electrically connected with first hole, and second
End is in electrical contact with the power panel, to realize being electrically connected for the conductive part and power panel panel.
3. electrical fitting as claimed in claim 2, which is characterized in that the detachable conduct piece includes sunk screw.
4. electrical fitting as claimed in claim 2 or claim 3, which is characterized in that the outer wall of the detachable conduct piece and
The inner wall of one hole is formed with being capable of mutually matched screw thread.
5. electrical fitting as described in any one of claims 1 to 4, which is characterized in that the conductive part includes:
First conductive parts, first conductive component are formed with first hole；
Second conductive parts, it is affixed with first conductive component, for being pressed with the described first pressure-sensitive ground resistance and second
The connecting pin of quick resistance connects.
6. electrical fitting as claimed in claim 5, which is characterized in that the described first conductive parts are also formed with several peaces
Hole is filled, the insulation division is formed with the installation protrusion that several mounting holes with the described first conductive parts match.
7. such as electrical fitting described in claim 5 or 6, which is characterized in that the described first conductive parts include boss.
8. electrical fitting as claimed in claim 7, which is characterized in that the second hole of the insulation division includes the first hole
Composition portion and the second hole composition portion, wherein the geometric dimension in the first hole composition portion and the geometric dimension of the boss
Match, the internal diameter of the internal diameter and first hole in the second hole composition portion matches.
9. electrical fitting as claimed in claim 7 or 8, which is characterized in that the outer wall of the boss is formed with protrusion.
10. a kind of chassis components, which is characterized in that the chassis components include:
Power panel；
Such as electrical fitting according to any one of claims 1 to 9；And
Power panel panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710841109.1A CN109521228A (en) | 2017-09-18 | 2017-09-18 | A kind of electrical fitting and chassis components for power panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710841109.1A CN109521228A (en) | 2017-09-18 | 2017-09-18 | A kind of electrical fitting and chassis components for power panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109521228A true CN109521228A (en) | 2019-03-26 |
Family
ID=65768170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710841109.1A Pending CN109521228A (en) | 2017-09-18 | 2017-09-18 | A kind of electrical fitting and chassis components for power panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109521228A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1538559A (en) * | 2003-04-18 | 2004-10-20 | 协伸工业株式会社 | Ground terminal and method for mounting printed circuit board with ground terminal on chassis |
| CN101216517A (en) * | 2007-01-05 | 2008-07-09 | 中兴通讯股份有限公司 | Connecting apparatus for equipment pressure resistance test |
| CN101557088A (en) * | 2008-04-09 | 2009-10-14 | 华为技术有限公司 | Junction box and electronic equipment |
| CN202773185U (en) * | 2012-09-18 | 2013-03-06 | 深圳市汇川技术股份有限公司 | Grounding connection structure of electronic elements on circuit board |
| JP2013179011A (en) * | 2012-02-29 | 2013-09-09 | Sharp Corp | Circuit board |
-
2017
- 2017-09-18 CN CN201710841109.1A patent/CN109521228A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1538559A (en) * | 2003-04-18 | 2004-10-20 | 协伸工业株式会社 | Ground terminal and method for mounting printed circuit board with ground terminal on chassis |
| CN101216517A (en) * | 2007-01-05 | 2008-07-09 | 中兴通讯股份有限公司 | Connecting apparatus for equipment pressure resistance test |
| CN101557088A (en) * | 2008-04-09 | 2009-10-14 | 华为技术有限公司 | Junction box and electronic equipment |
| JP2013179011A (en) * | 2012-02-29 | 2013-09-09 | Sharp Corp | Circuit board |
| CN202773185U (en) * | 2012-09-18 | 2013-03-06 | 深圳市汇川技术股份有限公司 | Grounding connection structure of electronic elements on circuit board |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107742976A (en) | Wave filter with conductor plate and current rail | |
| WO2018140921A8 (en) | Multi-piece power connector with cable pass through | |
| CN106931415A (en) | A kind of shelf rail electric power system | |
| JPWO2019049481A1 (en) | Electrical connection socket | |
| CN104409484B (en) | Compression joint type insulated gate bipolar transistor | |
| CN105634536A (en) | Radio-frequency vertical connection circuit between two-dimensional millimeter wave modules | |
| US20180159255A1 (en) | Connector having increased contact area for power transmission and related power supply | |
| CN104682145A (en) | Coaxial adapter connector and test device for L-SMP socket | |
| CN104678230A (en) | Three-dimensional microwave assembly testing device | |
| CN109521228A (en) | A kind of electrical fitting and chassis components for power panel | |
| EP2741374A1 (en) | Flush mounted plug socket with plug socket pot | |
| CN206559727U (en) | Circuit board | |
| CN205005341U (en) | Electronic component's simple and easy ground connection connection structure on circuit board | |
| CN105655507A (en) | Electronic equipment, and battery connection device thereof | |
| CN205724286U (en) | Multi-functional switching clamp | |
| CN110994432A (en) | Tee bend module | |
| CN112582161B (en) | Quick grounding device of current transformer | |
| CN202940422U (en) | Circuit switching device and electronic machine cabinet using same | |
| CN206673124U (en) | A kind of electrical fitting for power panel | |
| CN202159834U (en) | Heavy current breaker switch socket | |
| CN108152542A (en) | A kind of CPCI type high voltage relay modules for Insulation test and continuity test | |
| CN210719445U (en) | Surface acoustic wave temperature measurement collector panel antenna installed in high-voltage switch cabinet | |
| CN102946035B (en) | A kind of circuit switch device and use the electronic cabinet of this circuit switch device | |
| CN211062949U (en) | High-low frequency elastic connector integrated interconnection frame | |
| CN204927568U (en) | A fixed switching device and display for USB connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190326 |