CN208637981U - Bus device and electrical control cabinet system - Google Patents
Bus device and electrical control cabinet system Download PDFInfo
- Publication number
- CN208637981U CN208637981U CN201821242155.6U CN201821242155U CN208637981U CN 208637981 U CN208637981 U CN 208637981U CN 201821242155 U CN201821242155 U CN 201821242155U CN 208637981 U CN208637981 U CN 208637981U
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- Prior art keywords
- bus
- frame
- control cabinet
- bus bar
- electrical control
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- 238000009434 installation Methods 0.000 claims abstract description 68
- 238000003466 welding Methods 0.000 claims description 6
- 241001604129 Polydactylus Species 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000012545 processing Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
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Abstract
The utility model relates to technical field of electric control, a kind of bus device and electrical control cabinet system are disclosed.Bus device includes multiple bus bar units and multiple overlap joints row；Each bus bar unit is mounted on an electrical control cabinet, the bus bar unit includes at least one bus bar, the multiple bus bar unit is successively oppositely arranged from beginning to end, passes through overlap joint row's connection on the bus bar unit adjacent thereto of the bus bar on each bus bar unit between corresponding bus bar.The utility model bus device and electrical control cabinet system, it is easy for installation, simple, quick, while can also improve efficiency, production cost is reduced, avoids bus bar from forgeing, lose and damage.
Description
Technical field
The utility model relates to technical field of electric control, more particularly, to a kind of bus device and electrical control cabinet system
System.
Background technique
Electrical control cabinet is mainly used for carrying out the mechanical equipment at scene the operation control of electrical aspect, while will also basis
The different movement in scene is to adjust different operations.Since the complexity of site machinery equipment is different, so electrical control cabinet
Quantity it is also different, many mechanical equipments require multi-panel electrical control cabinet to be controlled, and these multi-panel electrical control cabinets
It needs to connect together at the scene and constitutes an entirety (hereinafter referred to as disjunctor electrical cabinet), could have to the mechanical equipment at scene
The control of effect ground.
Common power source bus row is fitted with above disjunctor cabinet, every face electrical control cabinet can be from the power supply of top
Electricity is taken on bus bar.But in actual production process, since multi-panel electrical control cabinet connects into an entirety, and
Power source bus row is needed integrally to penetrate through, so so long bus bar first integrally will be mounted in disjunctor electricity in processing by we
It on gas holder, debugs, then bus bar removes to the packed and transported for carrying out single electrical control cabinet again, while entire length
Bus bar will also package, after waiting the scene of being dealt into, then whole bus bar to being attached on disjunctor electrical cabinet.In-site installation bus
It needs to fill inward from side one end of disjunctor electrical cabinet when row, this just needs scene to have sufficiently large installation space, space length
2 times or more at least equal to disjunctor electrical cabinet total length is just able to satisfy installation space needs, and the operating room spaces at some scenes
Position is narrow can not to meet field erected needs, cause bus bar difficult to install or cannot complete to install；In addition bus
Row removes independent delivery out of cabinet, is also easy to forget, lose and damage.
Installation tune of this form of current disjunctor electrical cabinet bus bar to production and processing, packed and transported and scene in a word
Examination all brings many troubles, and production efficiency is low, cost is big, very inconvenient.
Utility model content
The purpose of this utility model is to provide a kind of bus devices, to solve disjunctor electrical cabinet existing in the prior art
Occupied space is big during installation and bus bar is easy the technical issues of forgeing, lose or damaging during transportation for bus bar.
The purpose of this utility model, which also resides in, provides a kind of electrical control cabinet system, to solve company existing in the prior art
Occupied space is big during installation and bus bar is easy the technology forgotten, lose or damaged during transportation for body electrical cabinet bus bar
Problem.
Based on above-mentioned first purpose, the utility model provides a kind of bus device, including multiple bus bar units and
Multiple overlap joint rows；
Each bus bar unit is mounted on an electrical control cabinet, and the bus bar unit includes at least one mother
Line row, the multiple bus bar unit are successively oppositely arranged from beginning to end, the bus bar bus adjacent thereto on each bus bar unit
It arranges and is connected between corresponding bus bar by overlap joint row on unit.
Further, the bus bar unit is fixed on electrical control cabinet by fixation kit, the fixation kit packet
Include bus frame and bus frame installation crossbeam；
The bus frame installation crossbeam is connect with electrical control cabinet, and the bus frame is fixed on the bus frame installation crossbeam
On, the bus bar is fixed on the bus frame.
Further, the section type substantially in a rectangular trapezoid of the bus frame installation crossbeam, the bus frame install crossbeam
Upper edge and lower edge be arranged in parallel, and the bus frame installation crossbeam upper surface width be greater than lower end surface width；
The bus frame is fixed on the inside of the bus frame installation beam upper end.
Further, the bus frame installation crossbeam includes two, is respectively arranged with mother on two bus frame installation crossbeams
Wire frame, two bus frames support the both ends that the bus bar length direction is arranged in respectively.
Further, the bus frame installation below the crossbeam is equipped with column.
Further, the bus frame installation crossbeam is connected by the control cabinet frame work of bolt or screw and electrical control cabinet
It connects；
Or the control cabinet frame welding connection of the bus frame installation crossbeam and electrical control cabinet.
Further, the bus frame includes upper frame body and lower frame body, and the upper frame body and the lower frame body detachably connect
It connects, the lower frame body is fixed on the bus frame installation crossbeam.
Further, the upper frame body and the lower frame body are detachably connected by bolt or screw.
Further, the column by screw or is bolted with bus frame installation crossbeam；
Or the column is connect with bus frame installation beam welding.
Based on above-mentioned second purpose, the utility model additionally provides a kind of electrical control cabinet system, including multi-panel electric-controlled
Cabinet processed is provided with bus device described in any of the above embodiments on the control cabinet frame work of the multi-panel electrical control cabinet.
Compared with prior art, the utility model has the following beneficial effects:
Bus device provided by the utility model, including multiple bus bar units and multiple overlap joints row；Each mother
Line row's unit is mounted on an electrical control cabinet, and the bus bar unit includes at least one bus bar, the multiple bus
Row's unit is successively oppositely arranged from beginning to end, corresponding bus on the bus bar unit adjacent thereto of the bus bar on each bus bar unit
Pass through overlap joint row's connection between row.The utility model bus device will be to be mounted whole needed for multiple electrical control cabinets
Bus bar splits into multiple bus bar units, so as to which each bus bar unit is pre-installed to single electrical control cabinet
On, such bus bar can transport together with electrical control cabinet, after the completion of electrical control cabinet reaches on-site assembly, it is only necessary to use
Bus bar on bus bar unit between two adjacent electrical control cabinets is reconnected by overlap joint row, bus bars all in this way
Bus bar on unit constitutes the entirety of a connection again.The installation of the utility model bus device, debugging are convenient, and installation occupies
Space is small, and is not in the case where bus bar is forgotten or lost in transport.
Electrical control cabinet system provided by the utility model, including multi-panel electrical control cabinet, the multi-panel electrical control cabinet
Control cabinet frame work on be provided with bus device described in any of the above embodiments.The utility model electrical control cabinet system is compared to existing
Technology has beneficial effect identical with bus device provided by the utility model, passes through the above-mentioned description to bus device
Also it can intuitively obtain, in this not go into detail.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the general assembly schematic diagram that existing disjunctor electrical cabinet bus is fixedly mounted；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is that the partial assembled vertical view that two adjacent surfaces electrical control cabinet median generatrix is fixedly mounted in existing disjunctor electrical cabinet is shown
It is intended to；
Fig. 4 is the schematic elevation view of Fig. 3；
Fig. 5 is the general assembly drawing of the utility model embodiment bus device；
Fig. 6 is the side view of Fig. 5；
Fig. 7 is the assembly schematic top plan view of two adjacent bus bar units of the utility model embodiment bus device；
Fig. 8 is the schematic elevation view of Fig. 7；
Fig. 9 is that the bus frame of the utility model embodiment bus device installs the elevational schematic view of crossbeam；
Figure 10 is that the bus frame of the utility model bus device installs the schematic top plan view of crossbeam；
Figure 11 is that the bus frame of the utility model bus device installs the schematic side view of crossbeam；
Figure 12 is that the bus frame of the utility model bus device installs the schematic front view of crossbeam.
Icon: 1- controls cabinet frame work；2- column；The existing bus frame of 3- installs crossbeam；4- bus frame；5- bus bar；6- is female
Wire frame installs crossbeam；7- overlap joint row；The first bolt hole of 8-；The second bolt hole of 9-；10- third bolt hole.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In the description of the present invention, it should be noted that such as occur term " center ", "upper", "lower", " left side ",
" right side ", "vertical", "horizontal", "inner", "outside" etc., the orientation or positional relationship of instruction are orientation based on the figure or position
Relationship is set, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning
It must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.This
Outside, such as there is term " first ", " second ", " third " are used for description purposes only, be not understood to indicate or imply relatively heavy
The property wanted.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, such as there is term
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
The bus installation of existing disjunctor electrical cabinet is as shown in Figs 1-4, on the control cabinet frame work 1 of each electrical control cabinet
It is respectively arranged with column 2, existing bus frame installation crossbeam 3 (section is substantially rectangular), bus frame 4, each control cabinet frame work 1
The alignment setting of bus frame 4, so that a whole bus bar is threaded through in the bus frame 4 of each control cabinet frame work 1.
Existing bus bar is production and processing, packaging fortune in a whole bus frame 4 for being threaded through each control cabinet frame work 1
Defeated and live installation and debugging are all more troublesome, and production efficiency is low, and cost is big, and need space big when installation.
Embodiment one
It referring to a kind of bus device shown in Fig. 5 to Figure 12, is present embodiments provided, applies on disjunctor electrical cabinet, institute
Stating disjunctor electrical cabinet is that multi-panel electrical control cabinet is formed by connecting.
The bus device includes multiple bus bar units and multiple overlap joints row 7.Wherein, each bus bar unit
Be mounted on a face electrical control cabinet, the bus bar unit includes at least one bus bar 5, the multiple bus bar unit according to
Secondary head and the tail are oppositely arranged, on the bus bar unit adjacent thereto of bus bar 5 on each bus bar unit between corresponding bus bar 5
Pass through 7 connection of overlap joint row.
It is understood that since each bus bar unit is arranged on a face electrical control cabinet, so " the multiple mother
Line row's unit is successively oppositely arranged from beginning to end " that is, multi-panel electrical control cabinet is successively side by side, thus corresponding with each face electrical control cabinet
The bus bar unit of setting can be arranged successively, and the both ends of bus bar 5 are respectively for adjacent electrical control cabinet.
The multiple bus bar unit is successively oppositely arranged from beginning to end, thus the row of overlap joint 7 can be convenient by adjacent bus bar
Corresponding bus bar 5, which is attached, between unit is integrated.
Whole bus bar 5 to be mounted needed for multiple electrical control cabinets is split into multiple mothers by the present embodiment bus device
Line arranges unit, so as to which each bus bar unit to be pre-installed on the electrical control cabinet of single side, bus bar each in this way
Unit can transport together with electrical control cabinet, after the completion of electrical control cabinet reaches on-site assembly, it is only necessary to will with overlap joint row 7
Bus bar 5 on bus bar unit between two adjacent electrical control cabinets reconnects, on bus bar units all in this way
Bus bar 5 constitute the entirety of a connection again.The installation of the present embodiment bus device, debugging are convenient, and installation occupies little space,
It and is not in the case where bus bar is forgotten or lost in transport.
The overlap joint row of the present embodiment bus device 7 can be general form, easy to process to occupy little space, can be with
It is either used as standing part by bulk transport, so even if there is scattered loss, it can also be using other overlap joint rows 7
It is substituted, will not influence the installation and use of the electric control system of piece electrical control cabinet.
The number of bus bar 5 on bus bar unit is set according to actual needs, and what is provided in Fig. 6 or Fig. 7 is every
The form of 4 bus bars 5 is set on a bus bar unit, and the bus bar 5 on each bus bar unit, which is parallel to each other and is spaced, to be set
It sets, the both ends of bus bar 5 are towards the electrical control cabinet of two sides.
Referring to Fig. 5-12, the present embodiment bus bar unit is the control that corresponding electrical control cabinet is fixed to by fixation kit
On cabinet frame work 1 processed, wherein the control cabinet frame work 1 is the structure of electrical control cabinet shell one, is that electrical control cabinet is dedicated
In the reserved space of installation bus bar 5.
Specifically, the fixation kit includes bus frame 4, bus frame installation crossbeam 6 and column 2.The bus frame peace
The both ends of dress crossbeam 6 are respectively arranged with the first lateral bolt hole 8, and bolt or screw, which pass through the first bolt hole 8, pacifies bus frame
Dress crossbeam 6 is fixed on control cabinet frame work 1；Column 2 is mounted on the lower section of bus frame installation crossbeam 6, installs crossbeam 6 to bus frame
It plays a supportive role, the second vertical bolt hole 9 is provided on bus frame installation crossbeam 6, bolt or screw pass through the second bolt hole 9
Bus frame 4 is supported and fixed on the column 2, the lower end of the column 2 then passes through bolt or screw is fixed on the control
On cabinet frame work 1.
The bus frame 4 includes upper frame body and lower frame body, passes through screw or spiral shell between the upper frame body and the lower frame body
Bolt, which is detachably fixed, to link together, and bus frame installation crossbeam 6 is provided with third bolt hole 10, and bolt or screw pass through third spiral shell
Lower frame body is connected to the top of the bus frame installation crossbeam 6 by keyhole 10, and the bus bar 5 of the bus bar unit is arranged in mother
The upper frame body of bus frame 4 and the fixed fastening of lower frame body are simultaneously leaned in 4 inside of wire frame.
It should be noted that bus frame installation crossbeam 6 and column 2, control cabinet frame work 1 can also use the form of welding,
The connection of column and control cabinet frame work can also use the form of welding, but preferably detachable between upper frame body and lower frame body
The mode of connection.
It is understood that the bus frame installation cooperation column 2 of crossbeam 6 ensure that the mounting stability of bus frame 4, meanwhile,
Bus frame 4 divides for dismountable two parts, facilitates placement, the repair and maintenance of bus bar 5.
The extending direction that bus frame installs crossbeam 6 is vertical with the direction at 5 both ends of bus bar, that is, bus frame installs crossbeam 6
Length direction and adjacent electric cabinet between line it is vertical, as shown in figs. 6 or 7,4 bus bars 5 of each bus bar unit
Along the length direction arrangement of bus frame installation crossbeam 6.
In order to guarantee the stability of bus bar unit, the both ends difference of corresponding control cabinet frame work 1 on every face electrical control cabinet
A piece bus frame installation crossbeam 6 is set, is respectively arranged with bus frame 4, two bus frames 4 difference on two bus frame installation crossbeams 6
The both ends of 5 length direction of bus bar are arranged in support.
Wherein, the bus frame on two adjacent electrical control cabinets installs crossbeam 6 after the completion of electrical control cabinet combination,
It can be close to each other.
As shown in Fig. 8, Figure 11, as a preferred embodiment of the utility model, one of the bus frame installation crossbeam 6
Side is that end slope is arranged upwardly namely bus frame installs the section type substantially in a rectangular trapezoid of crossbeam 6, the bus
The upper edge of frame installation crossbeam 6 and lower edge are arranged in parallel, and the upper surface width of bus frame installation crossbeam 6 is wide greater than lower end surface
Degree, the bus frame 4 are fixed on the inside front of the bus frame installation crossbeam 6.That is, the upper end of bus frame installation crossbeam 6
For existing structure, thereon end face away from its adjacent electrical control cabinet (electrical control cabinet adjacent away from its, namely
It is inside towards its corresponding electrical control cabinet) it lengthens certain size and is formed.So bus frame installation crossbeam 6 can be existing
On the basis of bus frame installs crossbeam 3 (as shown in Fig. 4), by top flanging, inwardly (the inward-pointing bus frame installs crossbeam 6
Direction among corresponding electrical control cabinet) it lengthens certain size one entirety of composition and is formed.
Only bus frame 4 provides installation site to the bus frame installation crossbeam 6 of above structure form, meanwhile, the upper end
After the area in face becomes larger relatively, the overlap joint row 7 supported between adjacent bus bar unit can be convenient.
In conclusion the utility model bus device does not change the main structure and function of existing electrical control cabinet,
Can be by the bus frame 4 above every face electrical control cabinet in existing multi-panel disjunctor cabinet respectively into cabinet it is mobile certain away from
From, then the bus bar above every face electrical control cabinet is segmented, make every face electrical control cabinet can individually become one
It is whole, finally the bus bar above two sides electrical control cabinet adjacent in disjunctor cabinet is attached respectively with overlap joint row 7, finally
So that the bus bar above every face electrical control cabinet in multi-panel disjunctor cabinet has been linked to be an entirety again, has reached same using effect
Fruit.Such fixed installation design is just mounted in electrical control after the completion of producing and processing the bus bar on every face electrical control cabinet
Do not have to that bus bar is removed individually packaging delivery again in cabinet, before delivery, it is only necessary to above adjacent two sides electrical control cabinet
A bit of busbar shiplap joint row remove, be put into electrical control cabinet with cabinet deliver, to scene after it is again that this is a bit of
Busbar shiplap joint row is loaded onto just.It does so very convenient, simple, quick, while can also improve efficiency, reduction is produced into
This, is avoided bus bar from forgeing, lose and damage.
Embodiment two
The present embodiment provides a kind of electrical control cabinet system, including multi-panel electrical control cabinet, the controls of the electrical control cabinet
Bus device described in embodiment one is provided on cabinet frame work 1 processed.
Specifically, being separately provided for the control cabinet frame work 1 of installation bus bar 5, multi-panel on multi-panel electrical control cabinet
It is corresponded respectively on the control cabinet frame work 1 of electrical control cabinet and bus bar unit is installed, adjacent electrical control cabinet is correspondingly arranged
Bus bar 5 between 7 be fixedly connected by overlap joint row.
Specifically, each control cabinet frame work 1 is provided with the installation of bus frame described in embodiment one crossbeam 6, column 2, mother
Wire frame 4, so that bus bar unit is fixed.
Each component specific structure that the present embodiment is related to and principle etc. can be known by embodiment one, herein not
It is described in detail again.
The present embodiment electrical control cabinet system compared with prior art, has and bus device phase provided by the utility model
Same beneficial effect, also can intuitively be obtained, in this not go into detail by the above-mentioned description to bus device.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of bus device, which is characterized in that arranged including multiple bus bar units and multiple overlap joints；
Each bus bar unit is mounted on an electrical control cabinet, and the bus bar unit includes at least one bus
Row, the multiple bus bar unit are successively oppositely arranged from beginning to end, the bus bar bus bar adjacent thereto on each bus bar unit
Pass through overlap joint row's connection on unit between corresponding bus bar.
2. bus device according to claim 1, which is characterized in that the bus bar unit is fixed on by fixation kit
On electrical control cabinet, the fixation kit includes bus frame and bus frame installation crossbeam；
The bus frame installation crossbeam is connect with electrical control cabinet, and the bus frame is fixed on the bus frame installation crossbeam,
The bus bar is fixed on the bus frame.
3. bus device according to claim 2, which is characterized in that the section of the bus frame installation crossbeam is substantially in straight
The trapezoidal type in angle, the upper edge of the bus frame installation crossbeam and lower edge are arranged in parallel, and the upper surface of bus frame installation crossbeam
Width is greater than lower end surface width；
The bus frame is fixed on the inside of the bus frame installation beam upper end.
4. bus device according to claim 3, which is characterized in that the bus frame installation crossbeam includes two, two
It is respectively arranged with bus frame on bus frame installation crossbeam, two bus frames support respectively is arranged in the two of the bus bar length direction
End.
5. bus device according to claim 2, which is characterized in that the bus frame installation below the crossbeam is equipped with vertical
Column.
6. bus device according to claim 2, which is characterized in that the bus frame installation crossbeam passes through bolt or screw
It is connect with the control cabinet frame work of electrical control cabinet；
Or the control cabinet frame welding connection of the bus frame installation crossbeam and electrical control cabinet.
7. bus device according to claim 4, which is characterized in that the bus frame includes upper frame body and lower frame body, institute
It states upper frame body and the lower frame body is detachably connected, the lower frame body is fixed on the bus frame installation crossbeam.
8. bus device according to claim 7, which is characterized in that the upper frame body and the lower frame body by bolt or
Screw is detachably connected.
9. bus device according to claim 5, which is characterized in that the column passes through with bus frame installation crossbeam
Screw is bolted；
Or the column is connect with bus frame installation beam welding.
10. a kind of electrical control cabinet system, which is characterized in that including multi-panel electrical control cabinet, the multi-panel electrical control cabinet
The described in any item bus devices of claim 1-9 are provided on control cabinet frame work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821242155.6U CN208637981U (en) | 2018-08-02 | 2018-08-02 | Bus device and electrical control cabinet system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821242155.6U CN208637981U (en) | 2018-08-02 | 2018-08-02 | Bus device and electrical control cabinet system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208637981U true CN208637981U (en) | 2019-03-22 |
Family
ID=65740562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821242155.6U Expired - Fee Related CN208637981U (en) | 2018-08-02 | 2018-08-02 | Bus device and electrical control cabinet system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208637981U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767787A (en) * | 2018-08-02 | 2018-11-06 | 洛阳新思路电气股份有限公司 | Bus device and electrical control cabinet system |
-
2018
- 2018-08-02 CN CN201821242155.6U patent/CN208637981U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767787A (en) * | 2018-08-02 | 2018-11-06 | 洛阳新思路电气股份有限公司 | Bus device and electrical control cabinet system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190322 |