CN110223888A - A kind of modularization hot plug integrated switch box - Google Patents
A kind of modularization hot plug integrated switch box Download PDFInfo
- Publication number
- CN110223888A CN110223888A CN201910508241.XA CN201910508241A CN110223888A CN 110223888 A CN110223888 A CN 110223888A CN 201910508241 A CN201910508241 A CN 201910508241A CN 110223888 A CN110223888 A CN 110223888A
- Authority
- CN
- China
- Prior art keywords
- conducting rod
- hot plug
- switch
- box body
- short
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
- H02B1/052—Mounting on rails
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a kind of modularization hot plug integrated switch boxes, it include: box body, switch, more set conduct pieces and short-circuit plug connector corresponding with every set conduct piece, the switch is arranged in box body, every set conduct piece respectively includes the first conducting rod and the second conducting rod, the switch is connected between the first conducting rod and the second conducting rod, and the short circuit plug connector, which is connected in maintenance with the first conducting rod and the second conducting rod, carries out the short-circuit hot plug to realize switch.By the above-mentioned means, modularization hot plug integrated switch box of the present invention, in the non-stop-machine situation of electrical equipment; the hot plug replacement and the replacement of other function element switched; loss caused by electrical equipment is shut down is avoided, it is easy to operate, facilitate carry out Function Extension.
Description
Technical field
The present invention relates to switch enclosure technical fields, more particularly to a kind of modularization hot plug integrated switch box.
Background technique
Electric switch is typically secured on the guide rail in electric box, carries out the connection of route, and can be either automatically or manually
Disjunction circuit realizes circuit protection.
Breaker in electric switch can close, carry and cut-off the electric current under normal loop condition and can be defined
Abnormal circuit is closed, carries and cut-off in time, the safety of route is greatly improved, using than wide.Breaker belongs to
Vulnerable part needs replacing after damage, but cutting circuit is usually required when replacement, affects the normal use of electrical equipment, needs
It improves.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of modularization hot plug integrated switch boxes, avoid electric appliance and open
The outage problem of electrical equipment when closing replacement, promotes operation ease.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of modularization hot plug collection is provided
At switch enclosure, comprising: box body, switch, more set conduct pieces and short-circuit plug connector corresponding with every set conduct piece, the switch setting
In box body, every set conduct piece respectively includes the first conducting rod and the second conducting rod, the switch be connected on the first conducting rod and
Between second conducting rod, the short circuit plug connector be connected in maintenance with the first conducting rod and the second conducting rod carry out it is short-circuit with
Realize the hot plug of switch.
In a preferred embodiment of the present invention, first conducting rod and the second conducting rod are arranged in parallel in box body respectively
Bottom, first conducting rod and the second conducting rod tail end be provided with short-circuit jack, and the short circuit plug connector includes insulation hand
Handle and two short-circuit inserted links corresponding with short-circuit jack for being mounted on insulated handle lower part.
In a preferred embodiment of the present invention, the short-circuit inserted link bottom is provided with lantern spring pin, and two short circuits are inserted
It is electrically connected at the top of bar.
In a preferred embodiment of the present invention, the box body is insulated plastic magazine, and first conducting rod and second is led
Electric pole is embedded in box body bottom.
In a preferred embodiment of the present invention, the box body bottom is provided with lower cover, the lower cover bottom be provided with
The corresponding card slot of TH35 guide rail.
In a preferred embodiment of the present invention, the box body top is provided with upper cover, carries out the sealing on box body top.
In a preferred embodiment of the present invention, first conducting rod front end be provided be folded upward at extension be located at open
The first column of tail end is closed, first column front is provided with the first level inserted link extended forward, and the switch tail end is set
It is equipped with the first conductive jack corresponding with first level inserted link, it is vertical that second conducting rod front end is provided with second upwardly extended
Column, the switch front end are provided with the second conductive jack, and corresponding with the second conductive jack is provided on second column
Three conductive jacks, the box body front end are provided with the insulation link block in upper cover, are provided with and pass through on the insulation link block
Wear the second horizontal inserted link of third conductive jack and the second conductive jack of entrance.
In a preferred embodiment of the present invention, the first conducting rod tail end and the second conducting rod front end are respectively arranged with
Wiring hole.
In a preferred embodiment of the present invention, be provided with function element in the box body, the function element include but
Be not limited to voltage detector component, current measuring element, power detection element, temperature detecting element, failure replacement signal element and
Off-limit alarm signal element.
In a preferred embodiment of the present invention, the function element is mutual inductor, and the mutual inductor is installed therein one
On a first conducting rod, corresponding first conducting rod includes two sections of conductors, and the mutual inductor is connected on two sections of conductors using screw
On.
The beneficial effects of the present invention are: a kind of modularization hot plug integrated switch box that the present invention points out, is specifically designed
Short-circuit plug connector when replacement switchs, the connection of the first conducting rod and the second conducting rod is realized by short-circuit plug connector, is set in electricity consumption
In standby non-stop-machine situation, the hot plug replacement and the replacement of other function element switched avoids electrical equipment shutdown
Caused by lose, it is easy to operate, can be arranged on the TH35 guide rail of electric box Plays, carry out modularization installation, using just
Benefit, can acquire user's outgoing line part in electric box data-signal (data include the electric quantity signals such as voltage, electric current, power with
And the non-electric charge quantity signallings such as temperature, failure replacement, off-limit alarm, it is exported by bus, is conducive to remotely be monitored, may be used also
To give each switch enclosure arranging thing networking address, Internet of things system is formed, carry out Function Extension is facilitated.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is a kind of structural schematic diagram of one preferred embodiment of modularization hot plug integrated switch box of the present invention；
Fig. 2 is the explosive view of Fig. 1.
Fig. 3 is the structural schematic diagram of one preferred embodiment of short-circuit plug connector in Fig. 2；
Fig. 4 is the structural schematic diagram that upper cover dismantles latter preferred embodiment in Fig. 1.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Fig. 1 ~ Fig. 4 is please referred to, by taking voltage class is the electric switch of AC 230/400V as an example, the embodiment of the present invention includes:
Such as Fig. 1 ~ modularization shown in Fig. 2 hot plug integrated switch box, comprising: box body 1,12, two sets of conduct pieces of switch and with it is every
The corresponding short-circuit plug connector 9 of conduct piece is covered, the switch 12 is arranged in box body 1, and every set conduct piece respectively includes the first conduction
Bar 7 and the second conducting rod 5, the switch 12 are connected between the first conducting rod 7 and the second conducting rod 5, the short circuit plug connector 9
Be connected in maintenance with the first conducting rod 7 and the second conducting rod 5 hot plug for carrying out short circuit to realize switch, in electrical equipment
The replacement of switch 12 is realized in the case where not powering off.
First conducting rod 7 and the second conducting rod 5 are arranged in parallel in the bottom of box body 1 respectively, and the box body 1 is insulation
Plastic casing, first conducting rod 7 and the second conducting rod 6 are embedded in 1 bottom of box body, and when 1 injection molding of box body carries out first and leads
The fixation of electric pole 7 and the second conducting rod 6, or in 1 floor design mounting groove of box body, it is conductive to carry out the first conducting rod 7 and second
The installation of bar 6.1 bottom of box body is provided with lower cover 4, and 4 bottom of lower cover is provided with card slot 3 corresponding with TH35 guide rail,
It is conveniently arranged on TH35 guide rail, forms multiple modules, install concentratedly in electric box.
Box body 1 and lower cover 4 can use integrated plastic structure or separable assembled structure.In order to carry out the anti-of switch 12
Shield is provided with upper cover 2 on 1 top of box body, carries out the sealing on 1 top of box body, upper cover 2 can use anti-theft screw and be fixed on box body
On 1, there can be anti-stealing electricity function with lead sealing.
First conducting rod 7 and 5 tail end of the second conducting rod are provided with short-circuit jack 11, as shown in figure 3, the short circuit is inserted
Fitting 9 includes insulated handle 91 and two short-circuit inserted links 92 corresponding with short-circuit jack 11 for being mounted on 91 lower part of insulated handle.
92 bottom of the short circuit inserted link is provided with lantern spring pin 93, is electrically connected at the top of two short-circuit inserted links 92, is inserted using lantern spring
It after foot 93 is inserted into short-circuit jack 11, realizes the short circuit of the first conducting rod 7 and the second conducting rod 5, facilitates and safeguarded, lantern spring is inserted
Foot 93 ensures the stability of short circuit, avoids loosening breaking problem.In addition, the corresponding two short-circuit plug connectors 9 of two sets of conduct pieces
An insulated handle 91 can be shared, cost is reduced, promotes the terseness of operation.
First conducting rod, 7 front end is provided with the first column 8 positioned at 12 tail end of switch for being folded upward at extension, described
First column, 8 front is provided with the first level inserted link 6 extended forward, and 12 tail end of switch is provided with and first level inserted link
6 corresponding first conductive jacks realize that 12 tail end of switch limits using the first column 8, and utilize the insertion pair of first level inserted link 6
The first conductive jack answered realizes the limit of conductive and switch 12 height and position.
Second conducting rod, 5 front end is provided with the second column 17 upwardly extended, and 12 front end of switch is provided with
Two conductive jacks 13 are provided with third conductive jack 16 corresponding with the second conductive jack 13 on second column 17, described
1 front end of box body is provided with the insulation link block 15 in upper cover, and insulation link block 15 is can be movable, using upper cover 2 into
Row covering and limit, installation convenience, stability are high.
It is provided on the insulation link block 15 and enters the second of the second conductive jack 13 through third conductive jack 16
Horizontal inserted link 14, the second horizontal inserted link 14 use copper rod, good conductivity.1 front end of box body is provided with right with the second horizontal inserted link 14
The through-hole answered facilitates the installation and guiding of the second horizontal inserted link 14, realizes the conductive connection of switch 12 and the second conducting rod 5.
First conducting rod, 7 tail end and 5 front end of the second conducting rod are respectively arranged with wiring hole 18, facilitate the company of power supply line
It connects, the fastening of power supply line is carried out using fastening screw, and carry out the covering of fastening screw by the cover board that 2 end of upper cover is bent,
Promote security protection effect.
Reserved space in box body 1 can carry out Function Extension, convenient that function element is arranged in box body 1, can also pass through
Partition carries out the isolation of inner space, avoids influencing each other.The function element includes but is not limited to voltage detector component, electric current
Detecting element, power detection element, temperature detecting element, failure replacement signal element and off-limit alarm signal element.Such as Fig. 4 institute
Show, the function element uses mutual inductor 10, and the mutual inductor 10 is installed therein on first conducting rod 7, corresponding
First conducting rod 7 includes two sections of conductors, and the mutual inductor 10 is connected on two sections of conductors using screw 19, and installation and removal are compared
It is convenient, it can use mutual inductor 10 and carry out electric current and voltage detecting, the acquisition of data is carried out by bus, realize computer remote
Wireless or wired monitoring.
In conclusion a kind of modularization hot plug integrated switch box that the present invention points out, has been specifically designed short-circuit plug connector,
And using the cooperation of short-circuit plug connector and conduct piece, switch and the hot plug of other function element are facilitated, electricity consumption is not influenced and sets
Standby continues working, and improves the convenience of switch maintenance.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (10)
1. a kind of modularization hot plug integrated switch box, comprising: box body and switch, the switch are arranged in box body, feature
It is, further includes that more set conduct pieces and short-circuit plug connector corresponding with every set conduct piece, every set conduct piece respectively include first and lead
Electric pole and the second conducting rod, the switch are connected between the first conducting rod and the second conducting rod, and the short circuit plug connector is being tieed up
Be connected when shield with the first conducting rod and the second conducting rod the hot plug for carrying out short circuit to realize switch.
2. modularization hot plug integrated switch box according to claim 1, which is characterized in that first conducting rod and
Two conducting rods are arranged in parallel in the bottom of box body respectively, and first conducting rod and the second conducting rod tail end are provided with short circuit and insert
Hole, the short circuit plug connector includes insulated handle and to be mounted on two of insulated handle lower part short circuits corresponding with short-circuit jack slotting
Bar.
3. modularization hot plug integrated switch box according to claim 2, which is characterized in that the short circuit inserted link bottom is set
It is equipped with lantern spring pin, is electrically connected at the top of two short-circuit inserted links.
4. modularization hot plug integrated switch box according to claim 1, which is characterized in that the box body is ambroin
Box, first conducting rod and the second conducting rod are embedded in box body bottom.
5. modularization hot plug integrated switch box according to claim 1, which is characterized in that the box body bottom is provided with
Lower cover, the lower cover bottom are provided with card slot corresponding with TH35 guide rail.
6. modularization hot plug integrated switch box according to claim 1, which is characterized in that the box body top is provided with
Upper cover carries out the sealing on box body top.
7. modularization hot plug integrated switch box according to claim 6, which is characterized in that first conducting rod front end
It is provided with the first column for being located at switch tail end for being folded upward at extension, first column front is provided with the extended forward
One horizontal inserted link, the switch tail end are provided with the first conductive jack corresponding with first level inserted link, second conducting rod
Front end is provided with the second column upwardly extended, and the switch front end is provided with the second conductive jack, sets on second column
It is equipped with third conductive jack corresponding with the second conductive jack, the box body front end is provided with the connection of the insulation in upper cover
Block, it is described insulation link block on be provided with through third conductive jack and enter the second conductive jack the second horizontal inserted link.
8. modularization hot plug integrated switch box according to claim 1, which is characterized in that the first conducting rod tail end
And second conducting rod front end be respectively arranged with wiring hole.
9. modularization hot plug integrated switch box according to claim 1, which is characterized in that be arranged in the box body active
Energy element, the function element include but is not limited to voltage detector component, current measuring element, power detection element, temperature inspection
Survey element, failure replacement signal element and off-limit alarm signal element.
10. modularization hot plug integrated switch box according to claim 9, which is characterized in that the function element is mutual
Sensor, the mutual inductor are installed therein on first conducting rod, and corresponding first conducting rod includes two sections of conductors, described mutual
Sensor is connected on two sections of conductors using screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910508241.XA CN110223888B (en) | 2019-06-13 | 2019-06-13 | Modularized hot plug integrated switch box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910508241.XA CN110223888B (en) | 2019-06-13 | 2019-06-13 | Modularized hot plug integrated switch box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110223888A true CN110223888A (en) | 2019-09-10 |
| CN110223888B CN110223888B (en) | 2023-12-05 |
Family
ID=67816812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910508241.XA Active CN110223888B (en) | 2019-06-13 | 2019-06-13 | Modularized hot plug integrated switch box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110223888B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110676736A (en) * | 2019-10-31 | 2020-01-10 | 苏师大半导体材料与设备研究院(邳州)有限公司 | A method for easy replacement of circuit breakers |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006277954A (en) * | 2005-03-28 | 2006-10-12 | Jfe Steel Kk | Disconnect terminal block |
| CN201243139Y (en) * | 2008-03-10 | 2009-05-20 | 陈泉源 | Overload overheating safety socket device |
| DE102008011043B3 (en) * | 2008-02-22 | 2009-07-30 | Siemens Aktiengesellschaft | Vacuum circuit breaker |
| TWM492565U (en) * | 2014-08-14 | 2014-12-21 | Yao-Fu Shi | Bi-directional intermediate socket structure having switch |
| CN104965109A (en) * | 2009-08-06 | 2015-10-07 | Abb瑞士有限公司 | Module for measuring the current flowing in a conductor of a low-voltage distribution board |
| DE102015113734A1 (en) * | 2015-08-19 | 2017-02-23 | Wago Verwaltungsgesellschaft Mbh | Connectors |
| CN207217931U (en) * | 2017-08-14 | 2018-04-10 | 广州天翔建设工程有限公司 | A kind of switch socket box |
| CN108352278A (en) * | 2015-11-06 | 2018-07-31 | 万高电机及控制装置自动化有限公司 | Circuit breakers with pluggable trip modules |
| CN207752911U (en) * | 2017-12-30 | 2018-08-21 | 东莞市运豪电子科技有限公司 | A kind of cord switch device |
| CN208257019U (en) * | 2018-02-08 | 2018-12-18 | 西安炎煜电子科技有限公司 | A kind of short circuit connector switch |
| CN209675223U (en) * | 2019-06-13 | 2019-11-22 | 苏州美盛电子科技有限公司 | A kind of modularization hot plug integrated switch box |
-
2019
- 2019-06-13 CN CN201910508241.XA patent/CN110223888B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006277954A (en) * | 2005-03-28 | 2006-10-12 | Jfe Steel Kk | Disconnect terminal block |
| DE102008011043B3 (en) * | 2008-02-22 | 2009-07-30 | Siemens Aktiengesellschaft | Vacuum circuit breaker |
| CN201243139Y (en) * | 2008-03-10 | 2009-05-20 | 陈泉源 | Overload overheating safety socket device |
| CN104965109A (en) * | 2009-08-06 | 2015-10-07 | Abb瑞士有限公司 | Module for measuring the current flowing in a conductor of a low-voltage distribution board |
| TWM492565U (en) * | 2014-08-14 | 2014-12-21 | Yao-Fu Shi | Bi-directional intermediate socket structure having switch |
| DE102015113734A1 (en) * | 2015-08-19 | 2017-02-23 | Wago Verwaltungsgesellschaft Mbh | Connectors |
| CN108352278A (en) * | 2015-11-06 | 2018-07-31 | 万高电机及控制装置自动化有限公司 | Circuit breakers with pluggable trip modules |
| CN207217931U (en) * | 2017-08-14 | 2018-04-10 | 广州天翔建设工程有限公司 | A kind of switch socket box |
| CN207752911U (en) * | 2017-12-30 | 2018-08-21 | 东莞市运豪电子科技有限公司 | A kind of cord switch device |
| CN208257019U (en) * | 2018-02-08 | 2018-12-18 | 西安炎煜电子科技有限公司 | A kind of short circuit connector switch |
| CN209675223U (en) * | 2019-06-13 | 2019-11-22 | 苏州美盛电子科技有限公司 | A kind of modularization hot plug integrated switch box |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110676736A (en) * | 2019-10-31 | 2020-01-10 | 苏师大半导体材料与设备研究院(邳州)有限公司 | A method for easy replacement of circuit breakers |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110223888B (en) | 2023-12-05 |
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| CB03 | Change of inventor or designer information |
Inventor after: Wu Bowen Inventor after: Wu Yueliang Inventor after: Zhang Feng Inventor after: Wang Yibin Inventor after: Li Feng Inventor after: Chen Huawei Inventor after: Xu Di Inventor after: Xie Liner Inventor before: Wu Bowen Inventor before: Wu Yueliang Inventor before: Zhang Feng Inventor before: Wang Yibin Inventor before: Li Feng Inventor before: Chen Huawei Inventor before: Xu Di Inventor before: Xie Linger |
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