CN206364642U - A kind of junction box of high-voltage motor - Google Patents
A kind of junction box of high-voltage motor Download PDFInfo
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- CN206364642U CN206364642U CN201621384047.3U CN201621384047U CN206364642U CN 206364642 U CN206364642 U CN 206364642U CN 201621384047 U CN201621384047 U CN 201621384047U CN 206364642 U CN206364642 U CN 206364642U
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Abstract
The utility model discloses a kind of junction box of high-voltage motor, including box body, lid and the A groups wiring group, B groups wiring group and the C group wiring groups that are arranged in box body, every group of wiring group includes Surge Protector, U-shaped conductive plate summation current transformer；Surge Protector, power interface summation current transformer are installed in a terminal box by the utility model by U-shaped conductive plate; reduce cassettes; while user's use demand is met, machine winding can be effectively protected, the convenient degree of user's operation and maintenance can be improved again；By by external connection cable connection on electric machine stand, reduce the quantity of earth cable, it is to avoid potential safety hazard caused by connection cable is mixed and disorderly, improve the safety and reliability of motor, the safe operation coefficient of integral device is improved, while having further facilitated installing and using for user.
Description
Technical field
The utility model is related to technical field of electric equipment, more particularly to a kind of junction box of high-voltage motor.
Background technology
High-voltage motor needs to install current transformer when working and Surge Protector is protected to machine winding, in reality
In application process, due to current transformer and Surge Protector quantity is more, volume big, conventional junction box of high-voltage motor is more by electricity
Current transformer, Surge Protector and power supply terminal are separately mounted in different terminal boxes, and requirement is installed and used to meet.But this
The cassettes that sample installation causes high-voltage motor are various, and complicated, the operation and maintenance to user brings very big inconvenience；
Simultaneously as the terminal box of external power supply is both needed to set earthing or grounding means, user need to respectively be carried out to the ground wire of a variety of terminal boxes
Install, cause feed cable distribution mixed and disorderly, there is larger potential safety hazard, be unfavorable for user's operation and maintenance.
Utility model content
The purpose of this utility model is to provide a kind of junction box of high-voltage motor, collection Surge Protector, power interface and electric current
Transformer is integrated, and can be reduced cassettes while being protected to motor and power supply, be improved security, structure
Simply, it is reasonable in design, it is easy to use.
The technical solution adopted in the utility model is：
A kind of junction box of high-voltage motor, including box body, the lid being fastened on box body and the A groups being successively set in box body
Wiring group, three groups of wiring groups of B groups wiring group and C groups wiring group, box body are arranged on motor by being arranged on the bearing of box body bottom
The top of support；
A groups wiring group includes A groups Surge Protector, A groups conductive plate and A group current transformers, and A groups conductive plate is provided with A
Group power supply terminal, A groups protection binding post and A group lead binding posts, A group power supply terminals are arranged on the protection of A groups
Between binding post and A group lead binding posts, power line access A group power supply terminals, a termination of A group Surge Protectors
Enter A groups protection binding post, the head end lead access A group lead binding posts of A phase machine windings, the end of A phase machine windings
Lead is connected with the input of the first side winding of A group current transformers；
B groups wiring group includes B groups Surge Protector, B groups conductive plate and B group current transformers, and B groups conductive plate is provided with B
Group power supply terminal, B groups protection binding post and B group lead binding posts, B group power supply terminals are arranged on the protection of B groups
Between binding post and B group lead binding posts, power line access B group power supply terminals, a termination of B group Surge Protectors
Enter B groups protection binding post, the head end lead access B group lead binding posts of B phase machine windings, the end of B phase machine windings
Lead is connected with the input of the first side winding of B group current transformers；
C groups wiring group includes C groups Surge Protector, C groups conductive plate and C group current transformers, and C groups conductive plate is provided with C
Group power supply terminal, C groups protection binding post and C group lead binding posts, C group power supply terminals are arranged on the protection of C groups
Between binding post and C group lead binding posts, power line access C group power supply terminals, a termination of C group Surge Protectors
Enter C groups protection binding post, the head end lead access C group lead binding posts of C phase machine windings, the end of C phase machine windings
Lead is connected with the input of the first side winding of C group current transformers；
The other end of the other ends of A group Surge Protectors, the other end of B group Surge Protectors and C group Surge Protectors is equal
Ground connection, first side winding output end, the first side winding output end of B group current transformers and the C group electric currents of A group current transformers
The first side winding output end of transformer is connected；
Box body is provided with power line incoming line and lead incoming line, and power line enters terminal box by power line incoming line,
The head end lead and end leads of machine winding enter terminal box by lead connection jaws.
Preferably, A groups conductive plate, B groups conductive plate and C group conductive plates are U-shaped conductive plate, and the U-shaped conductive plate of A groups includes A
The first vertical electric conduction plate of group, A groups the second vertical electric conduction plate and A group transverse conductance plates, A groups protection binding post are located at A groups first
On vertical electric conduction plate, A group power supply terminals are located on A group transverse conductance plates, and A group lead binding posts are located at A groups second and erected
To on conductive plate；The U-shaped conductive plate of B groups includes the first vertical electric conduction of B groups plate, B groups the second vertical electric conduction plate and B group transverse conductances
Plate, B groups protection binding post is located on B groups the first vertical electric conduction plate, and B group power supply terminals are located on B group transverse conductance plates,
B group lead binding posts are located on B groups the second vertical electric conduction plate；The U-shaped conductive plate of C groups includes the first vertical electric conduction of C groups plate, C groups
Second vertical electric conduction plate and C group transverse conductance plates, C groups protection binding post are located on C groups the first vertical electric conduction plate, C group power supplys
Binding post is located on C group transverse conductance plates, and C group lead binding posts are located on C groups the second vertical electric conduction plate.
In order to which U-shaped conductive plate is fixed, the utility model also includes fixed plate, and fixation is set respectively at the two ends of fixed plate
Put on the antetheca and rear wall of box body, every group of wiring group also includes an insulated terminal, one end of insulated terminal and corresponding wiring
Conductive plate in group is fixedly connected, and the other end of insulated terminal is fixedly connected with fixed plate.
In order to avoid influencing each other between component in component in terminal box and motor, the utility model also includes setting
Put the insulation board between bearing and electric machine stand.
In order to reduce the quantity of earth cable, this reality while voltage and current remaining on terminal box body is exported
With the new earthing rod for also including being arranged on outside box body, earthing rod connects electric machine stand with terminal box and is connected.
In order to increase the sealing of whole terminal box, between insulation board and bearing, between insulation board and electric machine stand, box body
Sealing gasket is provided between lid.
The utility model is connect Surge Protector, power interface summation current transformer installed in one by U-shaped conductive plate
In line box, cassettes are reduced, while user's use demand is met, machine winding can be effectively protected, can carry again
The convenient degree of high user's operation and maintenance；By the way that on electric machine stand, external connection cable connection is reduced into the number of earth cable
Amount, it is to avoid potential safety hazard caused by connection cable is mixed and disorderly, improves the safety and reliability of motor, improves integral device
Safe operation coefficient, has further facilitated installing and using for user, while also having good seal performance, dust-proof, waterproof advantage.
Brief description of the drawings
Fig. 1 is front view of the present utility model；
Fig. 2 is top view of the present utility model.
Embodiment
As shown in figure 1, the utility model includes box body 1, the lid 2 being fastened on box body 1 and the A being arranged in box body 1
Group wiring group, three groups of wiring groups of B groups wiring group and C groups wiring group, are provided with fixed plate 4 between the antetheca and rear wall of box body 1, fixed
The two ends of plate 4 are separately positioned on antetheca and rear wall.Box body 1 is arranged on electric machine stand by being arranged on the bearing 3 of the bottom of box body 1
Top；Box body 1 is provided with power line incoming line（Do not marked on figure）With lead incoming line（Do not marked on figure）.
Every group of wiring group includes Surge Protector 8, U-shaped conductive plate 7, current transformer 6 and insulated terminal 5, insulating end
One end of son 5 is fixedly connected with fixed plate 4, and the other end of insulated terminal 5 is fixedly connected with the U-shaped conductive plate 7 of place wiring group,
U-shaped conductive plate 7 is arranged on guarantor provided with power supply terminal, protection binding post and lead binding post, power supply terminal
Protect between binding post and lead binding post, power line accesses the power supply terminal of U-shaped conductive plate 7, Surge Protector 8
Where the access of one end in wiring group U-shaped conductive plate 7 protection binding post, the head end lead of machine winding with corresponding wiring group
The lead binding post of U-shaped conductive plate 7 is connected, the end leads of machine winding and one of current transformer 6 in corresponding wiring group
The input of secondary side winding is connected.
The utility model is described in further detail below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, terminal box by the bearing under the bottom plate of box body 1 be arranged on electric machine stand on,
Insulation board 10 is set between bearing 3 and electric machine stand, for preventing from influencing each other between terminal box and motor.The antetheca of box body 1
Fixed plate 4 is provided between rear wall, the two ends of fixed plate 4 are respectively fixedly disposed on antetheca and rear wall, on the side wall of box body 1
Provided with power line incoming line, leaded incoming line is opened up on the bottom plate of box body 1, insulation board 10 is provided with to match with lead incoming line
Through hole.A wiring groups, B wiring groups and C wiring groups are successively set in box body 1 from front to back.
A groups wiring group includes A groups insulated terminal 5-1, A U-shaped conductive plate 7-1 of group Surge Protector 8-1, A group and A group electric currents
Transformer 6-1, A group insulated terminal 5-1 one end is fixedly connected with the U-shaped conductive plate 7-1 of A groups, and A group insulated terminals 5-1's is another
End is fixedly connected with fixed plate 4, and by fixed plate 4 and A group insulated terminals 5-1 cooperation, conductive plate 7-1 U-shaped to A groups enters line position
Put fixation.The U-shaped conductive plate 7-1 of A groups includes the first vertical electric conduction of A groups plate, A groups the second vertical electric conduction plate and A group transverse conductance plates,
The first vertical electric conduction of A groups plate protects binding post provided with A groups, and the second vertical electric conduction of A groups plate is provided with A group lead terminals
Son, A group transverse conductances plate is provided with A group power supply terminals.Power line accesses A group supply terminals by power line incoming line
Son, A group Surge Protectors 8-1 one end access A group protection binding posts, the head end lead of A phase machine windings enters by lead
Line mouthful access A group lead binding posts, the end leads of A phase machine windings access A group current transformers by lead incoming line
The input of 6-1 first side winding.
B groups wiring group includes B groups insulated terminal 5-2, B U-shaped conductive plate 7-2 of group Surge Protector 8-2, B group and B group electric currents
Transformer 6-2, B group insulated terminal 5-2 one end is fixedly connected with the U-shaped conductive plate 7-2 of B groups, and B group insulated terminals 5-2's is another
End is fixedly connected with fixed plate 4, and by fixed plate 4 and B group insulated terminals 5-2 cooperation, conductive plate 7-2 U-shaped to B groups enters line position
Put fixation.The U-shaped conductive plate 7-2 of B groups includes the first vertical electric conduction of B groups plate, B groups the second vertical electric conduction plate and B group transverse conductance plates,
The first vertical electric conduction of B groups plate protects binding post provided with B groups, and the second vertical electric conduction of B groups plate is provided with B group lead terminals
Son, B group transverse conductances plate is provided with B group power supply terminals.Power line accesses B group supply terminals by power line incoming line
Son, B group Surge Protectors 8-2 one end access B group protection binding posts, the head end lead of B phase machine windings enters by lead
Line mouthful access B group lead binding posts, the end leads of B phase machine windings access B group current transformers by lead incoming line
The input of 6-2 first side winding.
C groups wiring group includes C groups insulated terminal 5-3, C U-shaped conductive plate 7-3 of group Surge Protector 8-3, C group and C group electric currents
Transformer 6-3, C group insulated terminal 5-3 one end is fixedly connected with the U-shaped conductive plate 7-3 of C groups, and C group insulated terminals 5-3's is another
End is fixedly connected with fixed plate 4, and by fixed plate 4 and C group insulated terminals 5-3 cooperation, conductive plate 7-3 U-shaped to C groups enters line position
Put fixation.The U-shaped conductive plate 7-3 of C groups includes the first vertical electric conduction of C groups plate, C groups the second vertical electric conduction plate and C group transverse conductance plates,
The first vertical electric conduction of C groups plate protects binding post provided with C groups, and the second vertical electric conduction of C groups plate is provided with C group lead terminals
Son, C group transverse conductances plate is provided with C group power supply terminals.Power line accesses C group supply terminals by power line incoming line
Son, C group Surge Protectors 8-3 one end access C group protection binding posts, the head end lead of C phase machine windings enters by lead
Line mouthful access C group lead binding posts, the end leads of C phase machine windings access C group current transformers by lead incoming line
The input of 6-3 first side winding.
The A group Surge Protectors 8-1 other end, the B group Surge Protectors 8-2 other end and C group Surge Protectors 8-3
The other end is grounded, A group current transformers 6-1 first side winding output end, B group current transformers 6-2 first side winding
Output end is connected with C group current transformers 6-3 first side winding output end, constitutes the neutral point of three phase electric machine winding,
Current loop is constituted in the first side winding of current transformer 6.
It is preferred that by fixing backing plate by A group current transformer 6-1, B group current transformer 6-2 and C group current transformers 6-3
Bottom plate left end is fixedly mounted on, by fixing backing plate by A group Surge Protector 8-1, B group Surge Protector 8-2 and C group surges
Protector 8-3 is fixedly mounted on bottom plate right-hand member.It is preferred that by the A group Surge Protectors 8-1 other end, B group Surge Protectors 8-2
The other end be connected with the C group Surge Protectors 8-3 other end after it is ground wire grounded by a piece-root grafting again, reduce ground connection line number
Amount.
When user uses terminal box, between the input and output end of A group current transformer 6-1 secondary side windings, B groups
Between the input and output end of current transformer 6-2 secondary side windings or C group current transformers 6-3 secondary side winding it is defeated
Enter series electrical flow table between end and output end, the electric current of A phases machine winding, B phases machine winding or C phase machine windings is entered in real time
Row monitoring, prevents machine winding from being damaged by high current.
When because of the too high situation of supply voltage caused by by the reason such as be struck by lightning, U-shaped conductive plate 7-1, B group U of A groups is connected to
A group Surge Protector 8-1, B group Surge Protector 8-2 or C groups surge on the U-shaped conductive plate 7-3 of type conductive plate 7-2 or C group is protected
Unnecessary electric charge is introduced itself by shield device 8-3 in time, and imports the earth by the one end being grounded, and prevents machine winding from being damaged by high-tension electricity
It is bad.
Earthing rod 9 is installed outside box body 1, for curtage remaining on box body 1 to be exported, it is ensured that first in terminal box
The normal work of device.Earthing rod 9 is connected by earth cable with the electric machine stand that terminal box is connect, and is only needed to during user installation
Ground wire on electric machine stand is installed, the earth cable quantity that needs are set when reducing user installation, convenient and efficient,
And avoid the potential safety hazard because caused by earth cable is mixed and disorderly.Can be same in a variety of use demands of user for convenience, box body 1
When default earthing rod 9, be only grounded when using with by the earthing rod 9 in box body 1.The ground connection that user needs selection to use according to using
The type of post 9 and quantity, flexibility ratio are high, practical.
In order to effectively increase the sealing and dust-proof, waterproof ability of terminal box, between insulation board 10 and bearing 3, absolutely
Between listrium 10 and electric machine stand, sealing gasket is provided between lid 2 and box body 1, reduces component in external environment docking line box
Influence, ensure terminal box in component normal work.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that,
It can still modify to the technical scheme described in previous embodiment, or to which part or all technical characteristic
Equivalent substitution is carried out, and these are changed or are replaced, and the essence of appropriate technical solution is departed from the utility model embodiment
The scope of technical scheme.
Claims (6)
1. a kind of junction box of high-voltage motor, it is characterised in that：Including box body, the lid being fastened on box body and it is successively set on box
Internal A groups wiring group, three groups of wiring groups of B groups wiring group and C groups wiring group, box body are pacified by being arranged on the bearing of box body bottom
Mounted in the top of electric machine stand；
A groups wiring group includes A groups Surge Protector, A groups conductive plate and A group current transformers, and A groups conductive plate is provided with A groups electricity
Source binding post, A groups protection binding post and A group lead binding posts, A group power supply terminals are arranged on the protection wiring of A groups
Between terminal and A group lead binding posts, power line access A group power supply terminals, one end access A of A group Surge Protectors
Group protection binding post, the head end lead access A group lead binding posts of A phase machine windings, the end leads of A phase machine windings
It is connected with the input of the first side winding of A group current transformers；
B groups wiring group includes B groups Surge Protector, B groups conductive plate and B group current transformers, and B groups conductive plate is provided with B groups electricity
Source binding post, B groups protection binding post and B group lead binding posts, B group power supply terminals are arranged on the protection wiring of B groups
Between terminal and B group lead binding posts, power line access B group power supply terminals, one end access B of B group Surge Protectors
Group protection binding post, the head end lead access B group lead binding posts of B phase machine windings, the end leads of B phase machine windings
It is connected with the input of the first side winding of B group current transformers；
C groups wiring group includes C groups Surge Protector, C groups conductive plate and C group current transformers, and C groups conductive plate is provided with C groups electricity
Source binding post, C groups protection binding post and C group lead binding posts, C group power supply terminals are arranged on the protection wiring of C groups
Between terminal and C group lead binding posts, power line access C group power supply terminals, one end access C of C group Surge Protectors
Group protection binding post, the head end lead access C group lead binding posts of C phase machine windings, the end leads of C phase machine windings
It is connected with the input of the first side winding of C group current transformers；
The other end of the other ends of A group Surge Protectors, the other end of B group Surge Protectors and C group Surge Protectors is grounded,
First side winding output end, the first side winding output end of B group current transformers and the C group Current Mutual Inductances of A group current transformers
The first side winding output end of device is connected；
Box body is provided with power line incoming line and lead incoming line, and power line enters terminal box, motor by power line incoming line
The head end lead and end leads of winding enter terminal box by lead connection jaws.
2. junction box of high-voltage motor according to claim 1, it is characterised in that：The A groups conductive plate, B groups conductive plate and C
Group conductive plate is U-shaped conductive plate, and the U-shaped conductive plate of A groups includes the first vertical electric conduction of A groups plate, A groups the second vertical electric conduction plate and A
Group transverse conductance plate, A groups protection binding post is located on A groups the first vertical electric conduction plate, and it is horizontal that A group power supply terminals are located at A groups
To on conductive plate, A group lead binding posts are located on A groups the second vertical electric conduction plate；It is vertical that the U-shaped conductive plate of B groups includes B groups first
Conductive plate, B groups the second vertical electric conduction plate and B group transverse conductance plates, B groups protection binding post are located at B groups the first vertical electric conduction plate
On, B group power supply terminals are located on B group transverse conductance plates, and B group lead binding posts are located on B groups the second vertical electric conduction plate；
The U-shaped conductive plate of C groups includes the first vertical electric conduction of C groups plate, C groups the second vertical electric conduction plate and C group transverse conductance plates, and C group protections connect
Line terminals are located on C groups the first vertical electric conduction plate, and C group power supply terminals are located on C group transverse conductance plates, C group lead wiring
Terminal is located on C groups the second vertical electric conduction plate.
3. junction box of high-voltage motor according to claim 1 or 2, it is characterised in that：Also include fixed plate, the fixed plate
Two ends be respectively fixedly disposed on the antetheca and rear wall of box body, every group of wiring group also includes insulated terminal, insulated terminal
One end be fixedly connected with the conductive plate in corresponding wiring group, the other end of insulated terminal is fixedly connected with fixed plate.
4. junction box of high-voltage motor according to claim 3, it is characterised in that：Also include being arranged on bearing and electric machine stand
Between insulation board.
5. junction box of high-voltage motor according to claim 4, it is characterised in that：Also include the ground connection being arranged on outside box body
Post, the earthing rod connects electric machine stand with terminal box and is connected.
6. junction box of high-voltage motor according to claim 5, it is characterised in that：Between the insulation board and bearing, insulate
Sealing gasket is provided between plate and electric machine stand, between box body and lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621384047.3U CN206364642U (en) | 2016-12-16 | 2016-12-16 | A kind of junction box of high-voltage motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621384047.3U CN206364642U (en) | 2016-12-16 | 2016-12-16 | A kind of junction box of high-voltage motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206364642U true CN206364642U (en) | 2017-07-28 |
Family
ID=59374632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621384047.3U Active CN206364642U (en) | 2016-12-16 | 2016-12-16 | A kind of junction box of high-voltage motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206364642U (en) |
-
2016
- 2016-12-16 CN CN201621384047.3U patent/CN206364642U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 312300 Shangyu Economic Development Zone, Shaoxing City, Zhejiang Province Co-patentee after: WOLONG ELECTRIC NANYANG EXPLOSION PROTECTION GROUP CO., LTD. Patentee after: Wolong Electric Drive Group Co., Ltd. Address before: 312300 Shangyu Economic Development Zone, Shaoxing City, Zhejiang Province Co-patentee before: WOLONG ELECTRIC NANYANG EXPLOSION PROTECTION GROUP CO., LTD. Patentee before: Wolong Electric Group Co., Ltd. |