CN207038988U - A kind of drawer unit of low-voltage cabinet - Google Patents
A kind of drawer unit of low-voltage cabinet Download PDFInfo
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- CN207038988U CN207038988U CN201720879933.1U CN201720879933U CN207038988U CN 207038988 U CN207038988 U CN 207038988U CN 201720879933 U CN201720879933 U CN 201720879933U CN 207038988 U CN207038988 U CN 207038988U
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- drawer
- circuit
- protector
- electrically connected
- panel
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Abstract
It the utility model is related to a kind of drawer unit of low-voltage cabinet, it includes drawer unit body, the drawer unit body includes drawer frame and is fixedly arranged on the breaker of plastic casing being electrically connected to each other in drawer frame, A.C. contactor, zero sequence current mutual inductor and motor protector, drawer frame front end is provided with the drawer panel for being secured to connection, the parameter display screen being electrically connected to each other with motor protector is set on drawer panel, the indicator lamp being matched therewith is additionally provided with below parameter display screen, the protector circuit board that motor protector includes protector housing and is arranged in protector housing, the control circuit being electrically connected to each other is provided with protector circuit board, detect circuit, display circuit, output circuit and telecommunication circuit.The drawer unit of the low-voltage cabinet it is simple and reasonable, be easy to parameter read and collection, it is securely and reliably, practical and convenient, service life length, it is easy to spread.
Description
Technical field
It the utility model is related to low-voltage equipment technical field, and in particular to a kind of drawer unit of low-voltage cabinet.
Background technology
Multiple multiple functions drawer units are usually provided with low-voltage distribution cabinet, drawer unit places the drawer in bottom
It can move on seat and on drawer chassis, some control circuits with drawer are installed with the rear end of drawer unit and are connected
Logical interior connector, some external plug-in components connected with external user or terminal are installed on the backboard at drawer unit back,
By the depth for controlling drawer unit to be pushed into, to control the connected state of connector and corresponding external plug-in component in correlation, from
And realize Debug control circuitry or the purpose of external user or terminal operating status is controlled by control circuit.
With the construction of national grid, information-based rapid development, power product is badly in need of upgrading, and development meets city
The highly reliable product that field requires.The drawer unit produced at present can not make load equipment be effectively protected, parameters
Intuitively it can not read and gather.
Utility model content
For the deficiency of background technology, the utility model provides a kind of drawer unit of low-voltage cabinet, and solves existing
There is drawer unit to prevent to load and must effectively protect and the problem of parameter is from intuitively reading and gathering.
Technical scheme is used by the utility model：A kind of drawer unit of low-voltage cabinet, it includes drawer unit sheet
Body, the drawer unit body include drawer frame and are fixedly arranged on the plastic housing open circuit being electrically connected to each other in drawer frame
Device, A.C. contactor, zero sequence current mutual inductor and motor protector, drawer frame front end, which is provided with, is secured to taking out for connection
Drawer panel, the parameter display screen being electrically connected to each other with motor protector, the lower section of parameter display screen are set on drawer panel
The indicator lamp being matched therewith is additionally provided with, motor protector includes protector housing and is arranged in protector housing
Protector circuit board, be provided with protector circuit board the control circuit being electrically connected to each other, detection circuit, display circuit,
Output circuit and telecommunication circuit, single-chip microcomputer is provided with control circuit, and detection circuit mutually electrically connects with zero sequence current mutual inductor
Connect, display circuit is electrically connected to each other with parameter display screen and indicator lamp respectively, output circuit respectively with breaker of plastic casing and friendship
Stream contactor is electrically connected to each other；
As to the utility model further instruction, it is preferable that the drawer frame also include drawer-bottom board and
It is fixedly connected with the drawer backboard and drawer side of drawer-bottom board, drawer-bottom board, drawer backboard, drawer side and described drawer
Panel is made of cold-rolled steel sheet, and equally distributed circular louvre is provided with drawer frame；
As to the utility model further instruction, it is preferable that be provided with the drawer backboard and be secured to connect
Drawer insert I and drawer insert II, drawer insert I and drawer insert II mutually electrically connect with the motor protector respectively
Connect, drawer insert II is in communication with each other with host computer to be connected；
As to the utility model further instruction, it is preferable that division switch is additionally provided with the drawer panel, is connected
Status lamp and observation panel are connect, division switch lower section is additionally provided with drawer opening groove, connection status lamp and described drawer insert II
Cooperate, observation panel is arranged on the upside of connection status lamp, and be provided with observation panel bolt mode be fixedly connected it is saturating
Bright panel.
The beneficial effects of the utility model are：Due to taking above-mentioned technical proposal, the structure of the drawer unit of the low-voltage cabinet
Advantages of simple, by setting motor protector in drawer unit, there are the feelings such as excessively stream, short circuit, overvoltage, under-voltage, electric leakage
It is controlled during condition, load is comprehensively protected, while arrange parameter display screen and indicator lamp on drawer panel, it is easy to
The reading and collection directly perceived of parameter, the overall performance of drawer unit is greatly increased, had securely and reliably, it is practical and convenient, make
With long lifespan, it is easy to spread the advantages that.
Brief description of the drawings
Fig. 1 is front view of the present utility model.
Fig. 2 is left view of the present utility model.
Fig. 3 is upward view of the present utility model.
Fig. 4 is the theory diagram of motor protector 4 in Fig. 1.
1, breaker of plastic casing in figure；2nd, A.C. contactor；3rd, zero sequence current mutual inductor；4th, motor protector；5th, drawer
Panel；6th, parameter display screen；7th, indicator lamp；8th, control circuit；9th, circuit is detected；10th, display circuit；11st, output circuit；12、
Telecommunication circuit；13rd, drawer-bottom board；14th, drawer backboard；15th, drawer side；16th, circular louvre；17th, drawer insert I；18th, take out
Drawer plug-in unit II；19th, division switchs；20th, connection status lamp；21st, observation panel；22nd, drawer opening groove.
Embodiment
The utility model embodiment is described further below in conjunction with the accompanying drawings：
As shown in Fig. 1 to 4, a kind of drawer unit of low-voltage cabinet, it includes drawer unit body, the drawer unit sheet
Body includes drawer frame and is fixedly arranged on the breaker of plastic casing 1 being electrically connected to each other in drawer frame, A.C. contactor 2, zero
Sequence current transformer 3 and motor protector 4, drawer frame front end are provided with the drawer panel 5 for being secured to connection, drawer face
The parameter display screen 6 being electrically connected to each other with motor protector 4 is set on plate 5, and parameter display screen 6 is used to show drawer unit
Each running parameter, the lower section of parameter display screen 6 are additionally provided with the indicator lamp 7 being matched therewith, and motor protector 4 includes guarantor
Device housing and the protector circuit board being arranged in protector housing are protected, is provided with and is electrically connected to each other on protector circuit board
Control circuit 8, detection circuit 9, display circuit 10, output circuit 11 and telecommunication circuit 12, be provided with monolithic in control circuit 8
Machine, detection circuit 9 be electrically connected to each other with zero sequence current mutual inductor 3, display circuit 10 respectively with parameter display screen 6 and indicator lamp
7 are electrically connected to each other, and output circuit 11 is electrically connected to each other with breaker of plastic casing 1 and A.C. contactor 2 respectively.
The further setting of the present embodiment, the drawer frame also include drawer-bottom board 13 and are fixedly connected with bottom of drawer
The drawer backboard 14 and drawer side 15 of plate 13, drawer-bottom board 13, drawer backboard 14, drawer side 15 and described drawer face
Plate 5 is made of cold-rolled steel sheet, and equally distributed circular louvre 16 is provided with drawer frame.
The further setting of the present embodiment, the drawer insert I 17 for being secured to connection is provided with the drawer backboard 14
Mutually electrically connect with the motor protector 4 respectively with drawer insert II 18, drawer insert I 17 and drawer insert II 18
Connect, drawer insert I 17 quantity is arranged to two, and drawer insert II 18 is in communication with each other with host computer to be connected, drawer insert II
18 are arranged to 485 special communication connectors, are easy to remote online monitoring and control.
The further setting of the present embodiment, division switch 19, the and of connection status lamp 20 are additionally provided with the drawer panel 5
Observation panel 21, division switch 19 cooperate with described breaker of plastic casing 1, and the lower section of division switch 19 is additionally provided with drawer unlatching
Groove 22, connection status lamp 20 are cooperated with described drawer insert II 18, and observation panel 21 is arranged on connection status lamp 20
Side, and the transparent panel that bolt mode is fixedly connected is provided with observation panel 21, observation panel 21 is easy to observe drawer unit
Inner case.
The drawer unit of the low-voltage cabinet it is simple and reasonable, by drawer unit set motor protector 4,
Occur being controlled when excessively stream, short circuit, overvoltage, under-voltage, electric leakage, load is comprehensively protected, while in drawer
Arrange parameter display screen 6 and indicator lamp 7 on panel 5, it is easy to the reading and collection directly perceived of parameter, greatly increases drawer unit
Overall performance, there is the advantages that safe and reliable, practical and convenient, service life length, easy to spread.
Every technical staff's notice：Although the utility model describes according to above-mentioned embodiment, this
The invention thought of utility model is not limited to that utility model, any repacking with inventive concept, will all include this specially
In sharp scope of patent protection.
Claims (4)
1. a kind of drawer unit of low-voltage cabinet, includes drawer unit body, it is characterised in that：The drawer unit body includes
There is drawer frame and to be fixedly arranged on the breaker of plastic casing being electrically connected to each other in drawer frame, A.C. contactor, zero-sequence current mutual
Sensor and motor protector, drawer frame front end are provided with the drawer panel for being secured to connection, set on drawer panel with
The parameter display screen that motor protector is electrically connected to each other, the instruction being matched therewith is additionally provided with below parameter display screen
Lamp, the protector circuit board that motor protector includes protector housing and is arranged in protector housing, protector electricity
The control circuit being electrically connected to each other, detection circuit, display circuit, output circuit and telecommunication circuit, control are provided with the plate of road
Single-chip microcomputer is provided with circuit, detection circuit is electrically connected to each other with zero sequence current mutual inductor, and display circuit shows with parameter respectively
Display screen and indicator lamp are electrically connected to each other, and output circuit is electrically connected to each other with breaker of plastic casing and A.C. contactor respectively.
A kind of 2. drawer unit of low-voltage cabinet according to claim 1, it is characterised in that：The drawer frame also includes
Drawer-bottom board and the drawer backboard and drawer side for being fixedly connected with drawer-bottom board, drawer-bottom board, drawer backboard, drawer side with
And described drawer panel is made of cold-rolled steel sheet, equally distributed circular louvre is provided with drawer frame.
A kind of 3. drawer unit of low-voltage cabinet according to claim 2, it is characterised in that：It is provided with the drawer backboard
Be secured to the drawer insert I and drawer insert II of connection, drawer insert I and drawer insert II respectively with the motor protection
Device is electrically connected to each other, and drawer insert II is in communication with each other with host computer to be connected.
A kind of 4. drawer unit of low-voltage cabinet according to claim 3, it is characterised in that：Also set up on the drawer panel
Have division switch, connection status lamp and an observation panel, division switch lower section is additionally provided with drawer opening groove, connection status lamp with it is described
Drawer insert II cooperate, observation panel is arranged on the upside of connection status lamp, and bolt mode is provided with observation panel
The transparent panel being fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720879933.1U CN207038988U (en) | 2017-07-19 | 2017-07-19 | A kind of drawer unit of low-voltage cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720879933.1U CN207038988U (en) | 2017-07-19 | 2017-07-19 | A kind of drawer unit of low-voltage cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207038988U true CN207038988U (en) | 2018-02-23 |
Family
ID=61464915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720879933.1U Active CN207038988U (en) | 2017-07-19 | 2017-07-19 | A kind of drawer unit of low-voltage cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207038988U (en) |
-
2017
- 2017-07-19 CN CN201720879933.1U patent/CN207038988U/en active Active
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