CN207184312U - The frequency converter that a kind of drawer type unit is connected in parallel - Google Patents
The frequency converter that a kind of drawer type unit is connected in parallel Download PDFInfo
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- CN207184312U CN207184312U CN201721204066.8U CN201721204066U CN207184312U CN 207184312 U CN207184312 U CN 207184312U CN 201721204066 U CN201721204066 U CN 201721204066U CN 207184312 U CN207184312 U CN 207184312U
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Abstract
The utility model is the frequency converter that a kind of drawer type unit is connected in parallel, including frequency-charger cabinet, frequency converter unit, HMI display screens, input copper bar in parallel, output-parallel copper bar and DC parallel copper bar, several frequency converter units are installed in the frequency-charger cabinet, several described frequency converter units are 2~10, it is characterised in that：Several described frequency converter unit structures are identical, it is installed on by drawer type mounting means in described frequency-charger cabinet, described input copper bar in parallel, output-parallel copper bar are respectively to exchange input pad, exchange output connector and the positive negative busbar of direct current and connector on the frequency-charger cabinet with DC parallel copper bar, the frequency converter unit output plug terminal that the frequency converter unit is set by it is connected with the output-parallel copper bar of the frequency-charger cabinet, is to be connected in parallel between several described frequency converter units.The utility model is compact-sized, frequency converter unit modularized design, beneficial to the extension of product.
Description
Technical field
The utility model is related to Engineering inverter, particularly disclose it is a kind of can the frequency conversion that is connected in parallel of drawer type unit
Device, belong to technical field of electric equipment.
Background technology
At present, Traditional project type frequency converter is all the design and installation that cabinet is carried out according to power, and the size of power is then
Need to consider that the spelling cabinet design for carrying out cabinet is connected with actual according to the demand of actual items, and must consider during cabinet design
The problem of power cell heat dissipation wind channel and connecting line are arranged.
Existing frequency converter has the following disadvantages：The design of cabinet and the consideration of interior layout are carried out according to actual power,
Add time and the human cost of design；Consider that the spelling cabinet design of cabinet easily produces design and lacked according to the demand of actual items
Fall into, it is unreasonable such as Duct design, cabling arrangement unsightly etc., these design defect can some effects product lastness
Can, or even produce the quality problems of product；The installation of power cell is more using assembled or hanging-connecting, it is necessary to install fastener
With connector, dismounting bothers, and easily causes coming off for connector；Composite bus bar in parallel that must be special during power cell parallel connection enters
Row connection, consider that space factor generally requires plus insulating paper carries out insulation processing, cause the trouble of installation and later maintenance；It is more
The unification of effective parallel form can not be accomplished between transmission system and single-drive system；The frequency converter of each power grade it is independent into
Need to redesign the installation that cabinet carries out group cabinet when type, more transmission or parallel drive equipment, product generally requires customized, nothing
Method standardizes production.
The content of the invention
The purpose of this utility model be it is assembled complicated in order to solve the power cell of Traditional project type frequency converter, basis
The shortcomings of actual power progress is individually designed, and dismounting is cumbersome, and parallel form is single, there is provided what a kind of drawer type unit was connected in parallel
Frequency converter, design is simple, practical, can save the structure design of engineering frequency converter type selecting at initial stage, realize production
Standardization, so as to reduce system cost.
What the utility model was realized in：The frequency converter that a kind of drawer type unit is connected in parallel, including frequency-charger cabinet, change
Frequency device unit, HMI display screens, input copper bar in parallel, output-parallel copper bar and DC parallel copper bar, in the frequency-charger cabinet
Several frequency converter units are installed, several described frequency converter units are 2~10, it is characterised in that：Described is some
Individual frequency converter unit structure is identical, is installed on by drawer type mounting means in described frequency-charger cabinet, and described input is in parallel
Copper bar is the exchange input pad on the frequency-charger cabinet, and described output-parallel copper bar is located at the frequency-charger cabinet
On exchange output connector, described DC parallel copper bar on the frequency-charger cabinet the positive negative busbar of direct current and connection
Part, the frequency converter unit that the frequency converter unit is set by it export the output-parallel copper of plug terminal and the frequency-charger cabinet
Row connects, and is to be connected in parallel between several described frequency converter units.
Parallel between the frequency converter unit has three kinds：
1st, the direct-flow input end of the frequency converter unit by the frequency converter unit direct current plug terminal that it is set with it is described
The connection of DC parallel copper bar, realize being connected in parallel between several frequency converter units, the exchange input of the frequency converter unit
Hold as open-circuit condition.
2nd, the frequency converter unit that the ac input end of the frequency converter unit is set by it input plug terminal with it is described
The connection of input parallel connection copper bar, realize being connected in parallel between several frequency converter units, the direct current input of the frequency converter unit
Hold as open-circuit condition.
3rd, the direct-flow input end of the frequency converter unit by the frequency converter unit direct current plug terminal that it is set with it is described
The connection of DC parallel copper bar, the frequency converter unit that the ac input end of the frequency converter unit is set by it inputs and patches end
It is sub to be connected with described input parallel connection copper bar, realize being connected in parallel between several frequency converter units.
Input, output plug terminal and the direct current plug terminal of the frequency converter unit are using slotting connector soon.
Described HMI display screens be arranged on frequency-charger cabinet door-plate on, and with the control inside the frequency-charger cabinet
Plate box connection, top of the described control panel box inside the frequency-charger cabinet, and pass through optical fiber and the frequency converter
The frequency converter unit optical fiber interface connection set on unit, the frequency converter unit are provided with the frequency converter list using advancing air form
First air intake vent.
The beneficial effects of the utility model are：Frequency converter unit is designed to the standardization of frequency converter unit by the utility model
Module, by inserting connector soon several frequency converter units can be made to realize parallel connection by the connector set in frequency-charger cabinet,
Save all flexible connecting lines, be easy to test and safeguard, installation and dismounting during being readily produced, saved final assembly with
The time of test.
The utility model can realize that each power cell directly carries out the parallel connection of the exchange input in parallel, common of common DC bus
And exchange is in parallel with direct current input altogether, the actual demand in parallel of different application occasion lower unit can be met, add frequency conversion
The flexibility of device power expanding.
The utility model completes the configuration of different capacity grade by the power cell of standard cabinet installation varying number,
The related work of structure design is eliminated, so as to reduce system cost.
The utility model makes power cell be connected with control section by optical fiber, saves other all control wiring, carries
The high class of insulation of system, also substantially increase the operational reliability of frequency converter between each power cell independently of each other.
Brief description of the drawings
Fig. 1 is the frequency converter overall structure schematic perspective view of the utility model embodiment 1.
Fig. 2 is Fig. 1 frequency converter structure schematic diagram.
Fig. 3 is Fig. 1 frequency converter positive structure schematic.
Fig. 4 is the utility model frequency converter unit structural representation.
In figure：1st, frequency-charger cabinet；2nd, HMI display screens；3rd, control panel box；4th, frequency converter unit；5th, DC parallel copper
Row；6th, copper bar in parallel is inputted；7th, output-parallel copper bar；8th, frequency converter unit optical fiber interface；9th, frequency converter unit air intake vent；
10th, frequency converter unit output plug terminal；11st, frequency converter unit direct current plug terminal；12nd, frequency converter unit input patches end
Son.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
According to Fig. 1~Fig. 4, the utility model is a kind of frequency converter that is connected in parallel of drawer type unit, including frequency-charger cabinet
1st, frequency converter unit 4, HMI display screens 2, copper bar 6 in parallel, output-parallel copper bar 7 and DC parallel copper bar 5 are inputted.The change
Several frequency converter units 4 are installed in frequency device cabinet 1, it is different according to power configuration, it can install 2~10 in frequency converter cabinet body 1
Frequency converter unit 4, each frequency converter unit 4 leaves certain space between each other, and possesses respective heat dissipation wind channel, mutually solely
It is vertical, it does not interfere with each other.Several described structures of frequency converter unit 4 are identical, and described frequency conversion is installed on by drawer type mounting means
In device cabinet 1.Described input copper bar 6 in parallel is the exchange input pad on frequency-charger cabinet 1, and output-parallel copper bar 7 is
Exchange output connector on frequency-charger cabinet 1, DC parallel copper bar 5 are positive and negative for the direct current on the frequency-charger cabinet 1
Busbar and connector.The frequency converter unit that the frequency converter unit 4 is set by it exports plug terminal 10 and the frequency converter
The output-parallel copper bar 7 of cabinet 1 connects, and is to be connected in parallel between several described frequency converter units 4.
Parallel between the frequency converter unit 4 has three kinds：
1st, the frequency converter unit direct current plug terminal 11 and institute that the direct-flow input end of the frequency converter unit 4 is set by it
The DC parallel copper bar 5 stated connects, and realizes being connected in parallel between several frequency converter units 4, the exchange of the frequency converter unit 4
Input is open-circuit condition.
2nd, the frequency converter unit that the ac input end of the frequency converter unit 4 is set by it inputs plug terminal 12 and institute
The input parallel connection copper bar 6 stated connects, and realizes being connected in parallel between several frequency converter units 4, the direct current of the frequency converter unit 4
Input is open-circuit condition.
3rd, the frequency converter unit direct current plug terminal 11 and institute that the direct-flow input end of the frequency converter unit 4 is set by it
The DC parallel copper bar 5 stated connects, and the frequency converter unit input that the ac input end of the frequency converter unit 4 is set by it connects
Insertion terminal 12 is connected with described input parallel connection copper bar 6, realizes being connected in parallel between several frequency converter units.
Input, output and the direct current plug terminal of the frequency converter unit are using slotting connector soon.
Described HMI display screens 2 be arranged on frequency-charger cabinet 1 door-plate on, and with the control inside the frequency-charger cabinet 1
The connection of making sheet box 3.Top of the described control panel box 3 inside the frequency-charger cabinet 1, and pass through optical fiber and the change
The frequency converter unit optical fiber interface 8 set on frequency device unit 4 connects.The frequency converter unit 4 is provided with using advancing air form
Frequency converter unit air intake vent 9.
Because frequency converter unit 4 uses drawer type mounting means, without extra wiring, can be installed in frequency-charger cabinet 1 more
Frequency converter unit is covered, therefore safeguards the installation of frequency converter unit and more facilitates with replacing.
Embodiment 1：
According to Fig. 1~Fig. 4, the present embodiment is provided with four frequency converter units 4, accordingly, control panel in frequency-charger cabinet 1
Box 3 need to be respectively connecting to the frequency converter optical fiber interface 8 of four frequency converter units 4 by four optical fiber.The input of frequency converter unit 4
Directly installed between the copper bar 6 in parallel with the input on frequency-charger cabinet 1 of plug terminal 12 using contact, realize exchange input simultaneously
Connection.Direct contact type is used between output-parallel copper bar 7 on the output plug terminal 10 and frequency-charger cabinet 1 of frequency converter unit 4
Installation, realizes AC output parallel connection.The direct current plug terminal 11 of frequency converter unit 4 and the DC parallel copper bar 5 on frequency-charger cabinet 1
Between using direct contact type install, realize DC parallel.In frequency-charger cabinet 1, four frequency converter units parallel about 4
Enough insulating spaces are left in row, centre.
It is described above, only it is preferred embodiment of the present utility model, for being explained in detail to the utility model, and is not
Being obviously can be according to the utility model disclosure to tool to limitation of the present utility model, one of ordinary skill in the art
Body embodiment makees various equivalent modifications, variations and alternatives, and it is new that these equivalent modifications, variations and alternatives should all belong to this practicality
The protection domain of type.The scope of protection of the utility model is defined by the description of this case claims.
Claims (5)
1. the frequency converter that a kind of drawer type unit is connected in parallel, including frequency-charger cabinet, frequency converter unit, HMI display screens, input
Copper bar in parallel, output-parallel copper bar and DC parallel copper bar, several frequency converter units, institute are installed in the frequency-charger cabinet
Several frequency converter units stated are 2~10, it is characterised in that：Several described frequency converter unit structures are identical, pass through
Drawer type mounting means is installed in described frequency-charger cabinet, and described input copper bar in parallel is on the frequency-charger cabinet
Input pad is exchanged, described output-parallel copper bar exports connector for the exchange on the frequency-charger cabinet, described
DC parallel copper bar is set for the positive negative busbar of direct current on the frequency-charger cabinet and connector, the frequency converter unit by it
The frequency converter unit output plug terminal put is connected with the output-parallel copper bar of the frequency-charger cabinet, several described frequency converters
It is to be connected in parallel between unit.
2. the frequency converter that a kind of drawer type unit according to claim 1 is connected in parallel, it is characterised in that：The frequency converter
The frequency converter unit direct current plug terminal that the direct-flow input end of unit is set by it is connected with described DC parallel copper bar, real
Being connected in parallel between several existing frequency converter units, the ac input end of the frequency converter unit is open-circuit condition.
3. the frequency converter that a kind of drawer type unit according to claim 1 is connected in parallel, it is characterised in that：The frequency converter
The frequency converter unit input plug terminal that the ac input end of unit is set by it is connected with described input parallel connection copper bar, real
Being connected in parallel between several existing frequency converter units, the direct-flow input end of the frequency converter unit is open-circuit condition.
4. the frequency converter that a kind of drawer type unit according to claim 1 is connected in parallel, it is characterised in that：The frequency conversion
The frequency converter unit direct current plug terminal that the direct-flow input end of device unit is set by it is connected with described DC parallel copper bar,
It is in parallel with described input that the frequency converter unit that the ac input end of the frequency converter unit is set by it inputs plug terminal
Copper bar connects, and realizes being connected in parallel between several frequency converter units.
5. the frequency converter that a kind of drawer type unit according to claim 1 is connected in parallel, it is characterised in that：Described
HMI display screens be arranged on frequency-charger cabinet door-plate on, and with the control panel box connection inside the frequency-charger cabinet, institute
Top of the control panel box stated inside the frequency-charger cabinet, and the frequency conversion by being set on optical fiber and the frequency converter unit
Device unit optical fiber interface connects, and the frequency converter unit is provided with the frequency converter unit air intake vent using advancing air form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721204066.8U CN207184312U (en) | 2017-09-20 | 2017-09-20 | The frequency converter that a kind of drawer type unit is connected in parallel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721204066.8U CN207184312U (en) | 2017-09-20 | 2017-09-20 | The frequency converter that a kind of drawer type unit is connected in parallel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207184312U true CN207184312U (en) | 2018-04-03 |
Family
ID=61747824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721204066.8U Active CN207184312U (en) | 2017-09-20 | 2017-09-20 | The frequency converter that a kind of drawer type unit is connected in parallel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207184312U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111835055A (en) * | 2019-04-18 | 2020-10-27 | 台达电子企业管理（上海）有限公司 | Centralized charging cabinet |
-
2017
- 2017-09-20 CN CN201721204066.8U patent/CN207184312U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111835055A (en) * | 2019-04-18 | 2020-10-27 | 台达电子企业管理（上海）有限公司 | Centralized charging cabinet |
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