CN106253700B - Mechanical drawer type is pre-charged frequency-converter device - Google Patents
Mechanical drawer type is pre-charged frequency-converter device Download PDFInfo
- Publication number
- CN106253700B CN106253700B CN201610784938.6A CN201610784938A CN106253700B CN 106253700 B CN106253700 B CN 106253700B CN 201610784938 A CN201610784938 A CN 201610784938A CN 106253700 B CN106253700 B CN 106253700B
- Authority
- CN
- China
- Prior art keywords
- poles
- drawer type
- copper bar
- vdc
- frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
Abstract
The present invention discloses a kind of mechanical drawer type precharge frequency-converter device, when the end of incoming cables PN copper bars of DC bus and drawer type cabinet body connect, drawer type unit is pushed to the electromagnetism lock position of drawer type cabinet body, the poles P and the poles N2 copper bar bayonet and the poles P, the connection of the poles N2 copper bar is made to connect circuit, VDC signal lamps are bright, to capacitance C into line precharge, when being charged to certain time, when VDC detects that DC voltage reaches charging voltage needed for frequency converter, electromagnetic lock releases, and VDC signal lamps go out；Drawer type unit is continued to press on to bottom end; the poles P, the poles N1 and the poles N2 copper bar bayonet are connect with the poles P, the poles N1, the poles N2 copper bar simultaneously; the resistance R short circuits of the poles N2 at this time; entire charging process is completed, mechanical drawer type contact avoids the contactor driving equipment element for increasing electric operation; reduce cost; and implement to operate in next step after the completion of being pre-charged, effective protection electric elements realize stable, safe and reliable connection.
Description
Technical field
The present invention relates to converter technology fields, particularly relate to a kind of mechanical drawer type precharge frequency-converter device.
Background technology
In frequency convertor system, most of precharge at present all use electrical contact formula into line precharge, and inverter is straight
Be parallel with big electrolytic capacitor on stream incoming-line busbar, before frequency converter starts, be powered to DC master row inlet wire, so to electrolytic capacitor into
Row charging.Current this electrical contact formula needs to increase the contactor driving equipment element of electric operation, improves cost, and
And operation can have certain unstability.
Therefore, it is necessary to design a kind of new mechanical drawer type precharge frequency-converter device, to solve the above technical problems.
Invention content
The problem of for background technology, the object of the present invention is to provide a kind of mechanical drawer types to be pre-charged frequency converter
Device reduces cost, realizes that stable, safe and reliable charging connects without increasing the contactor driving equipment element of electric operation
It connects.
The technical proposal of the invention is realized in this way：A kind of machinery drawer type precharge frequency-converter device, including direct current
Busbar and drawer type cabinet body and the drawer type unit being slidably matched with the drawer type cabinet body, wherein the drawer type cabinet body
End of incoming cables be equipped with the poles P, the poles N1 and the poles N2 copper bar, drawer type cabinet body side be equipped with electromagnetic lock, the drawer type unit be equipped with behaviour
Make panel, operation panel is equipped with VDC signal lamps, frequency converter, the capacitance in parallel with frequency converter are equipped in drawer type unit
C, the VDC in parallel with capacitance C, the signal designation lamp switch and electromagnetism lock-switch being connect with VDC, drawer type unit is externally provided with and institute
State the poles P, the poles P of the poles N1 and the corresponding frequency converter of the poles N2 copper bar, the poles N1 and the poles N2 copper bar bayonet, the length of the poles the N2 copper bar bayonet
For degree more than the length of the poles N1 copper bar bayonet, the poles N2 copper bar bayonet connection has resistance R, manual to push drawer type unit to electromagnetism lock-bit
It sets, the poles P and the poles N2 copper bar bayonet is made first to be correspondingly connected with the poles P, the poles N2 copper bar to connect circuit, while VDC signal lamps LED
Bright, to capacitance C into line precharge, when being charged to certain time, VDC detects that DC voltage reaches charging voltage needed for frequency converter
When, electromagnetic lock releases, and signal lamp LED goes out；It then proceedes to push drawer type unit to bottom end, the poles P, the poles N1 and the poles N2 manually
Copper bar bayonet is connect with the poles P, the poles N1, the poles N2 copper bar simultaneously, and the resistance R short circuits of the poles N2, complete entire charging process at this time.
In the above-mentioned technical solutions, the drawer type cabinet body be equipped with sliding rail, drawer type unit by the cooperation with sliding rail into
Row sliding.
In the above-mentioned technical solutions, the electromagnetic lock is equipped with electromagnetic coil.
In the above-mentioned technical solutions, the VDC signal lamps are LED light.
In the above-mentioned technical solutions, the VDC is connected with fuse
Machinery drawer type of the invention is pre-charged frequency-converter device, when the end of incoming cables PN copper bars of DC bus and drawer type cabinet body
When connection, pushes drawer type unit to electromagnetism lock position manually, keep the poles P and the poles N2 copper bar bayonet first corresponding with the poles P, the poles N2 copper bar
Connection is to connect circuit, while VDC signal lamps are bright, and to capacitance C into line precharge, when being charged to certain time, VDC is detected
When reaching charging voltage needed for frequency converter to DC voltage, electromagnetic lock releases, and VDC signal lamps go out；It then proceedes to push away manually
Drawer type unit is moved to bottom end, the poles P, the poles N1 and the poles N2 copper bar bayonet are connect with the poles P, the poles N1, the poles N2 copper bar simultaneously, at this time the poles N2
Resistance R short circuit, complete entire charging process, mechanical drawer type contact avoids the contactor driving equipment for increasing electric operation
Element to reduce cost, and is only implemented to operate in next step after the completion of precharge, and effective protection electric elements are realized steady
Fixed, safe and reliable charging connection.
Description of the drawings
Fig. 1 is that mechanical drawer type is pre-charged frequency-converter device circuit diagram；
Fig. 2 is the non-pre-charge state figure of drawer type unit；
Fig. 3 is that drawer type unit enters pre-charge state figure；
Fig. 4 is that drawer type unit completes pre-charge state figure.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained without creative efforts
Example is applied, shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of mechanical drawer type of the present invention is pre-charged frequency-converter device, including DC bus and pumping
Drawer formula cabinet 1 and the drawer type unit 2 being slidably matched with drawer type cabinet body 1.Wherein, drawer type cabinet body 1 is equipped with sliding rail, drawer
Formula unit 2 is slided by the cooperation with sliding rail.
Wherein, the end of incoming cables of drawer type cabinet body 1 is equipped with the poles P, the poles N1 and the poles N2 copper bar, and 1 side of drawer type cabinet body is equipped with electricity
Magnetic padlock 3, electromagnetic lock 3 are equipped with electromagnetic coil 31.The drawer type unit 1 is equipped with operation panel, and operation panel is equipped with VDC signals
Indicator light 4, in the present embodiment, VDC signal lamps 4 are LED light.Frequency converter 5 and frequency converter 5 are equipped in drawer type unit 2
Capacitance C, the VDC in parallel with capacitance C in parallel, the signal designation lamp switch 41 and electromagnetism lock-switch 32 being connect with VDC and insurance
Silk FUSE.
Drawer type unit 2 is externally provided with the poles P, the poles N1 and the poles N2 of frequency converter corresponding with the poles P, the poles N1 and the poles N2 copper bar
Copper bar bayonet, the length of the poles the N2 copper bar bayonet are more than the length of the poles N1 copper bar bayonet, and the poles N2 copper bar bayonet connection has resistance
R。
Fig. 2 is the non-pre-charge state figure of drawer type unit, as shown in Figure 3 to Figure 4, pushes drawer type unit 2 to electricity manually
3 position of magnetic padlock makes the poles P and the poles N2 copper bar bayonet are first correspondingly connected with the poles P, the poles N2 copper bar to connect circuit, connects indicator light and opens
41 are closed, while VDC signal lamps 4 are bright, to capacitance C into line precharge, when being charged to certain time, VDC detects direct current
When pressure reaches charging voltage needed for frequency converter 5, electromagnetism lock-switch 32 disconnects, and electromagnetic lock 3 releases, and VDC signal lamps 4 go out；So
Continue to push drawer type unit 2 to arrive bottom end afterwards manually, the poles P, the poles N1 and the poles N2 copper bar bayonet simultaneously with the poles P, the poles N1, the poles N2 copper bar
Connection, the resistance R short circuits of the poles N2, complete entire charging process at this time.
Machinery drawer type of the invention is pre-charged frequency-converter device, when the end of incoming cables PN copper of DC bus and drawer type cabinet body 1
It when row connects, pushes drawer type unit 2 to arrive 3 position of electromagnetic lock manually, makes the poles P and the poles N2 copper bar bayonet first and the poles P, the poles N2 copper bar
It is correspondingly connected with to connect circuit, while VDC signal lamps 4 are bright, to capacitance C into line precharge, when being charged to certain time,
When VDC detects that DC voltage reaches charging voltage needed for frequency converter 5, electromagnetic lock 3 releases, and VDC signal lamps go out；Then after
Continuous that drawer type unit 5 is pushed to arrive bottom end manually, the poles P, the poles N1 and the poles N2 copper bar bayonet connect with the poles P, the poles N1, the poles N2 copper bar simultaneously
It connects, at this time the resistance R short circuits of the poles N2, completes entire charging process, mechanical drawer type contact avoids the contact for increasing electric operation
Device driving equipment element to reduce cost, and is only implemented to operate in next step after the completion of precharge, effective protection electric appliance member
Part realizes stable, safe and reliable charging connection.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (5)
1. a kind of machinery drawer type is pre-charged frequency-converter device, it is characterised in that：Including DC bus and drawer type cabinet body and
The drawer type unit being slidably matched with the drawer type cabinet body, wherein the end of incoming cables of the drawer type cabinet body is equipped with the poles P, the poles N1
With the poles N2 copper bar, drawer type cabinet body side is equipped with electromagnetic lock, and the drawer type unit is equipped with operation panel, and operation panel is equipped with
VDC signal lamps, drawer type unit is interior to be equipped with frequency converter, the capacitance C in parallel with frequency converter, the VDC in parallel with capacitance C, with
The signal designation lamp switch and electromagnetism lock-switch of VDC connections, drawer type unit are externally provided with and the poles P, the poles N1 and the poles N2 copper bar
The length of the poles P, the poles N1 and the poles the N2 copper bar bayonet of corresponding frequency converter, the poles the N2 copper bar bayonet is more than the poles N1 copper bar bayonet
Length, the poles N2 copper bar bayonet connection have resistance R, push drawer type unit to electromagnetism lock position manually, make the poles P and the poles N2 copper bar card
Mouth is first correspondingly connected with the poles P, the poles N2 copper bar to connect circuit, while VDC signal lamps LED is bright, and preliminary filling is carried out to capacitance C
Electricity, when being charged to certain time, when VDC detects that DC voltage reaches charging voltage needed for frequency converter, electromagnetic lock releases, signal
Indicator light LED goes out；Then proceed to push drawer type unit to bottom end manually, the poles P, the poles N1 and the poles N2 copper bar bayonet simultaneously with the poles P,
The poles N1, the connection of the poles N2 copper bar, the resistance R short circuits of the poles N2, complete entire charging process at this time.
2. machinery drawer type according to claim 1 is pre-charged frequency-converter device, it is characterised in that：The drawer type cabinet body
Equipped with sliding rail, drawer type unit is slided by the cooperation with sliding rail.
3. machinery drawer type according to claim 1 is pre-charged frequency-converter device, it is characterised in that：The electromagnetic lock is equipped with
Electromagnetic coil.
4. machinery drawer type according to claim 1 is pre-charged frequency-converter device, it is characterised in that：The VDC signals refer to
Show that lamp is LED light.
5. machinery drawer type according to claim 1 is pre-charged frequency-converter device, it is characterised in that：The VDC is connected with
Fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610784938.6A CN106253700B (en) | 2016-08-31 | 2016-08-31 | Mechanical drawer type is pre-charged frequency-converter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610784938.6A CN106253700B (en) | 2016-08-31 | 2016-08-31 | Mechanical drawer type is pre-charged frequency-converter device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106253700A CN106253700A (en) | 2016-12-21 |
| CN106253700B true CN106253700B (en) | 2018-07-31 |
Family
ID=58080091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610784938.6A Active CN106253700B (en) | 2016-08-31 | 2016-08-31 | Mechanical drawer type is pre-charged frequency-converter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106253700B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7052689B2 (en) * | 2018-11-21 | 2022-04-12 | 株式会社オートネットワーク技術研究所 | Circuit configuration |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201414067Y (en) * | 2009-05-22 | 2010-02-24 | 张晓平 | Drawer type frequency-changer and power distribution cabinet |
| CN201994828U (en) * | 2011-01-31 | 2011-09-28 | 荣信电力电子股份有限公司 | Drawer-type power unit of medium-high voltage frequency converter |
| JP2012147566A (en) * | 2011-01-12 | 2012-08-02 | Mitsubishi Electric Corp | Metal-enclosed switch gear |
| CN202617012U (en) * | 2012-05-29 | 2012-12-19 | 荣信电力电子股份有限公司 | Intensive high voltage large power frequency converter |
| CN105119503A (en) * | 2015-08-28 | 2015-12-02 | 洛阳中重自动化工程有限责任公司 | Explosion-proof frequency converter modularization plugging type power unit and plugging method |
-
2016
- 2016-08-31 CN CN201610784938.6A patent/CN106253700B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201414067Y (en) * | 2009-05-22 | 2010-02-24 | 张晓平 | Drawer type frequency-changer and power distribution cabinet |
| JP2012147566A (en) * | 2011-01-12 | 2012-08-02 | Mitsubishi Electric Corp | Metal-enclosed switch gear |
| CN201994828U (en) * | 2011-01-31 | 2011-09-28 | 荣信电力电子股份有限公司 | Drawer-type power unit of medium-high voltage frequency converter |
| CN202617012U (en) * | 2012-05-29 | 2012-12-19 | 荣信电力电子股份有限公司 | Intensive high voltage large power frequency converter |
| CN105119503A (en) * | 2015-08-28 | 2015-12-02 | 洛阳中重自动化工程有限责任公司 | Explosion-proof frequency converter modularization plugging type power unit and plugging method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106253700A (en) | 2016-12-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106452097B (en) | traction power module | |
| CN110091733B (en) | Charging device and vehicle | |
| CN106130348B (en) | Realize the auxiliary circuit of Sofe Switch and the buck translation circuit with the auxiliary circuit | |
| CN106253700B (en) | Mechanical drawer type is pre-charged frequency-converter device | |
| WO2012066045A3 (en) | Charge system for charging a battery of a vehicle with a two-way charge controller | |
| WO2012152619A3 (en) | Converter assembly | |
| CN204361552U (en) | A kind of low-tension switch cabinet with 1/2 draw-out type functional units | |
| CN104466774B (en) | Low-tension switch cabinet with 1/2 draw-out type functional units | |
| CN206226296U (en) | Mechanical drawer type is pre-charged frequency-converter device | |
| CN103354160B (en) | A kind of high-voltage mutual inductor | |
| CN103312070B (en) | A kind of Novel electromagnetic coil | |
| CN204361560U (en) | There is the low-tension switch cabinet of 1/2 draw-out type functional units | |
| CN205356162U (en) | Dc -to -ac converter that has at least one dc -to -ac converter bridge between two generating lines | |
| CN113208362A (en) | Display device with LED lamp | |
| CN205811848U (en) | The Switching Power Supply IC circuit of superposition frequency jitter | |
| CN206412940U (en) | Modular contact module | |
| CN201966800U (en) | Capacitive type DC transformer | |
| CN205069564U (en) | Insurance seat and integrative plug terminal | |
| CN201270376Y (en) | Contact box | |
| CN202026243U (en) | Capacitor transformer | |
| CN101950667B (en) | Capacitor with built-in voltage-dividing resistor | |
| CN204012379U (en) | The drawout chassis of universal circuit breaker | |
| CN105489439B (en) | A kind of manual switching off/on device and method of high-voltage breaker permanent magnet operating mechanism | |
| CN103440974A (en) | Multifunctional high-voltage transformer | |
| CN204129085U (en) | Loaded termination control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |