CN207038988U - A kind of drawer unit of low-voltage cabinet - Google Patents

A kind of drawer unit of low-voltage cabinet Download PDF

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Publication number
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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CN
China
Prior art keywords
drawer
circuit
protector
electrically connected
panel
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Active
Application number
CN201720879933.1U
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Chinese (zh)
Inventor
柯俊杰
魏武平
蔡礼鹏
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ONEPOWER ELECTRIC Co Ltd
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ONEPOWER ELECTRIC Co Ltd
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Priority to CN201720879933.1U priority Critical patent/CN207038988U/en
Application granted granted Critical
Publication of CN207038988U publication Critical patent/CN207038988U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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

A kind of drawer unit of low-voltage cabinet
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.
CN201720879933.1U 2017-07-19 2017-07-19 A kind of drawer unit of low-voltage cabinet Active CN207038988U (en)

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)

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