CN203278230U - Compressor frequency conversion driving dual supply system - Google Patents
Compressor frequency conversion driving dual supply system Download PDFInfo
- Publication number
- CN203278230U CN203278230U CN 201320329322 CN201320329322U CN203278230U CN 203278230 U CN203278230 U CN 203278230U CN 201320329322 CN201320329322 CN 201320329322 CN 201320329322 U CN201320329322 U CN 201320329322U CN 203278230 U CN203278230 U CN 203278230U
- Authority
- CN
- China
- Prior art keywords
- module
- power supply
- switch
- output
- power
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Rectifiers (AREA)
Abstract
The utility model relates to a compressor frequency conversion driving dual supply system, comprising a filtering rectification module, a switch power supply module, a control module, an IPM driving module and a boost module; an input terminal of the filtering rectification module is in connection with an external alternating current power supply and an input terminal is in connection with the switch power supply module; an input terminal of the control module is in connection with an output terminal of the switch power supply module and an output terminal of the control module is in connection with one input terminal of the IPM driving module; another input terminal of the IPM driving module is in connection with the output terminal of the control module, and an output terminal of the IPM driving module is in connection with a frequency conversion compressor; an input terminal of the boost module is in connection with an external connection direct current power supply, and an output terminal is in connection with the input terminal of the IPM driving module through a second switch module; a first switch module is arranged between the filtering rectification module and the IPM driving module. The compressor frequency conversion driving dual supply system can ensure that a direct current power supply can supply power for a frequency conversion compressor; when one power supply lacks, another power supply can be used as a stand-by power supply to ensure operation of the compressor.
Description
Technical field
The utility model relates to power-supply system, especially a kind ofly can provide for compressor the double power-supply system of AC power or DC power supply.
Background technology
Shown in accompanying drawing 1, the driving power source system of existing compressor comprises rectification filtering module 1, switch power module 2, control module 3, IPM driver module 4.The input of filter rectification module 1 is connected with external AC power supply, it is converted to DC power supply (DCP with this external AC power supply, DCN), then this DC power supply is by a plurality of low voltage and direct currents of being converted into of switch power module 2, wherein 5Vdc provides the power supply of control module 3 normal operations, and DC power supply (DCP, DCN) offers IPM driver module 4 power supplys, by the control of control module 3, IPM driver module 4 is guaranteed the normal operation of frequency-changeable compressor.In order to ensure the power factor in whole loop, increasing has PFC driver module 6, thereby has guaranteed DC power supply DCP, and DCN's is stable.
Above-mentioned power-supply system has following defective:
1, can't be applicable to provide the occasion of battery feed; Can't drive with storage battery;
2, external AC power supply must provide.
Therefore, when external AC power supply lacks, just can't provide power supply for compressor.
Summary of the invention
The purpose of this utility model is to provide a kind of AC power that both can adopt and also can adopts DC power supply to come the double power-supply system of powering for compressor.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of compressor variable frequency drives double power-supply system, is used for driving the frequency-changeable compressor running, and it comprises
Filter rectification module, the input of described filter rectification module are connected with external AC power supply and described external AC power supply are converted to DC power supply output;
Switch power module, described switch power module is connected with the output of described filter rectification module, and described switch power module is converted to a plurality of low voltage and direct current outputs with described DC power supply;
Control module, the input of described control module is connected and exports control signal under the power supply of one tunnel described low voltage and direct current with an output of described switch power module;
The IPM driver module, an input of described IPM driver module is connected with the output of described filter rectification module, another input is connected with the output of described control module, the output of described IPM driver module is connected with described frequency-changeable compressor, and described IPM driver module drives described frequency-changeable compressor running under the control of the described control signal of described control module output;
It also comprises
Boost module, the input of described boost module is connected with external direct current power supply, and the output of described boost module is connected with the input of described IPM driver module through the second switch module;
Also be provided with the first switch module between described filter rectification module and described IPM driver module; Described the first switch module is connected with described control module and controls its switching by described control module with described second switch module.
Preferably, described the first switch module and described second switch module are relay.
Preferably, it also comprises the stable PFC driver module of described DC power supply that is connected with described filter rectification module and guarantees its output.
Because technique scheme is used, the utility model compared with prior art has following advantages: compressor variable frequency of the present utility model drives double power-supply system can guarantee that external AC power supply and extraneous DC power supply can power for frequency-changeable compressor, can be used as stand-by power supply by another kind of power supply when a kind of power supply disappearance, thereby guarantee the work of compressor.
Description of drawings
Accompanying drawing 1 is the schematic diagram of the driving power of existing compressor.
Accompanying drawing 2 is the schematic diagram that compressor variable frequency of the present utility model drives double power-supply system.
In above accompanying drawing: 1, filter rectification module; 2, switch power module; 3, control module; 4, IPM driver module; 5, boost module; 6, PFC driver module; 7, the first switch module; 8, second switch module.
Embodiment
Below in conjunction with embodiment shown in the drawings, the utility model is further described.
Embodiment one: shown in accompanying drawing 2.
A kind of compressor variable frequency drives double power-supply system, is used for driving the frequency-changeable compressor running, and it comprises filter rectification module 1, switch power module 2, control module 3, IPM driver module 4, boost module 5 and PFC driver module 6.
The input of filter rectification module 1 is connected with the external AC power supply of 220V, and it is used for external AC power supply is converted to DC power supply DCP and DCN output.Switch power module 2 is connected with the output of filter rectification module 1, and switch power module 2 is converted to a plurality of low voltage and direct currents (comprising 5Vdc, 15Vdc, 24Vdc) output with DC power supply DCP and DCN.The input of control module 3 is connected with the output of the output 5Vdc of switch power module 2, and control module 3 is exported control signal under this 5Vdc power supply.An input of IPM driver module 4 is connected with the output of filter rectification module 1, another input is connected with the output of control module 3, the output of IPM driver module 4 is connected with frequency-changeable compressor, and IPM driver module 4 drives the frequency-changeable compressor running under the control of the control signal of control module 3 outputs.Above-mentioned each module composition ac power supply system, other boost module 5 has consisted of DC power-supply system.The input of boost module 5 is connected with the external direct current power supply of 48V, and the output of boost module 5 is connected with the input of IPM driver module 4 through second switch module 8.Also be provided with the first switch module 7 between filter rectification module 1 and IPM driver module 4.The first switch module 7 is connected with control module 3 with second switch module 8 and controls its switching by control module 3.Wherein, the first switch module 7 and second switch module 8 are relay.
For DC power supply DCP and the DCN that guarantees its output is stable, also be provided with the PFC driver module 6 that is connected with filter rectification module 1 in addition.
The operation principle of above-mentioned compressor frequency conversion drive double power-supply system is: at first, after external AC power supply and external direct current power supply are connected simultaneously, the first switch module 7 and second switch module 8, be that relay R elay1 and relay R elay2 are defaulted as closure, DC power supply (DCP, DCN) normal power supply, switch power module 2 is started working and is made 5Vdc offer control module 3, control module 3 begins to work and send control signal, controls the IPM driver module semi-finals order compressor processed state that shuts down.Secondly, begin to detect external AC power supply (L, N) alternating voltage, if alternating voltage exists, this moment, control module 3 control relay Relay1 continued closed, relay R elay2 disconnects, and (is generally less than 200 seconds) after certain hour, and control module 3 is controlled the normal operation that IPM driver module 4 is controlled compressor; If external AC power supply (L, when alternating voltage N) did not exist, this moment, control module 3 control relay Relay2 continued closure, and relay R elay1 disconnects, (be generally less than 200 seconds) after certain hour, control module 3 is controlled the normal operation that IPM driver module 4 is controlled compressor.
Above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow person skilled in the art scholar can understand content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection range of the present utility model.
Claims (3)
1. a compressor variable frequency drives double power-supply system, is used for driving the frequency-changeable compressor running, and it comprises
Filter rectification module, the input of described filter rectification module are connected with external AC power supply and described external AC power supply are converted to DC power supply output;
Switch power module, described switch power module is connected with the output of described filter rectification module, and described switch power module is converted to a plurality of low voltage and direct current outputs with described DC power supply;
Control module, the input of described control module is connected and exports control signal under the power supply of one tunnel described low voltage and direct current with an output of described switch power module;
The IPM driver module, an input of described IPM driver module is connected with the output of described filter rectification module, another input is connected with the output of described control module, the output of described IPM driver module is connected with described frequency-changeable compressor, and described IPM driver module drives described frequency-changeable compressor running under the control of the described control signal of described control module output;
It is characterized in that: it also comprises
Boost module, the input of described boost module is connected with external direct current power supply, and the output of described boost module is connected with the input of described IPM driver module through the second switch module;
Also be provided with the first switch module between described filter rectification module and described IPM driver module; Described the first switch module is connected with described control module and controls its switching by described control module with described second switch module.
2. compressor variable frequency according to claim 1 drives double power-supply system, and it is characterized in that: described the first switch module and described second switch module are relay.
3. compressor variable frequency according to claim 1 and 2 drives double power-supply system, and it is characterized in that: it also comprises the stable PFC driver module of described DC power supply that is connected with described filter rectification module and guarantees its output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320329322 CN203278230U (en) | 2013-06-08 | 2013-06-08 | Compressor frequency conversion driving dual supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320329322 CN203278230U (en) | 2013-06-08 | 2013-06-08 | Compressor frequency conversion driving dual supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203278230U true CN203278230U (en) | 2013-11-06 |
Family
ID=49508558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320329322 Expired - Lifetime CN203278230U (en) | 2013-06-08 | 2013-06-08 | Compressor frequency conversion driving dual supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203278230U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104993576A (en) * | 2015-07-20 | 2015-10-21 | 上海致维自动化控制有限公司 | Double power supply automatic change-over switch controller and method |
| CN105490555A (en) * | 2016-01-14 | 2016-04-13 | 合肥天鹅制冷科技有限公司 | Power supply converter device |
| CN105607532A (en) * | 2015-12-18 | 2016-05-25 | 珠海格力电器股份有限公司 | Air conditioner, control method and control circuit thereof |
| CN109245277A (en) * | 2018-09-25 | 2019-01-18 | 许昌许继软件技术有限公司 | A kind of backup power supply energy storage control device and a kind of power-supply system |
-
2013
- 2013-06-08 CN CN 201320329322 patent/CN203278230U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104993576A (en) * | 2015-07-20 | 2015-10-21 | 上海致维自动化控制有限公司 | Double power supply automatic change-over switch controller and method |
| CN105607532A (en) * | 2015-12-18 | 2016-05-25 | 珠海格力电器股份有限公司 | Air conditioner, control method and control circuit thereof |
| CN105607532B (en) * | 2015-12-18 | 2018-06-26 | 珠海格力电器股份有限公司 | Air-conditioning and its control method and circuit |
| CN105490555A (en) * | 2016-01-14 | 2016-04-13 | 合肥天鹅制冷科技有限公司 | Power supply converter device |
| CN109245277A (en) * | 2018-09-25 | 2019-01-18 | 许昌许继软件技术有限公司 | A kind of backup power supply energy storage control device and a kind of power-supply system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201378812Y (en) | Power-supply control device and ventilation and air-exchange device employing same | |
| CN204810144U (en) | Electric output holding circuit is fallen in input | |
| CN203278230U (en) | Compressor frequency conversion driving dual supply system | |
| CN103701191A (en) | UPS (Uninterruptible Power Supply) and power supply method thereof | |
| CN201937313U (en) | Solar-powered fan filter unit system | |
| CN203675030U (en) | AC servo driving system | |
| CN204980675U (en) | Energy -conserving and stringent control system of elevator | |
| CN203326635U (en) | Solar power supply control device | |
| CN203617780U (en) | Uninterruptible power supply device for rail transit shielded gate system | |
| CN204224044U (en) | Elevator automatic leveling and energy-conservation integration unit | |
| CN204334062U (en) | DC power-supply system | |
| CN103580275B (en) | Screen door in rail transit uninterrupted power supply and method of work thereof | |
| CN202218174U (en) | Modified sine wave inverter having charging function | |
| CN204794795U (en) | Take three mining high -pressure level variable frequency speed device of power frequency bypass | |
| CN205453235U (en) | Mining high -pressure flame proof converter uninterrupted power source power supply unit | |
| CN205510508U (en) | Traffic signal lamp drive circuit | |
| CN204442002U (en) | A kind of double dynamical power supply automatic converting device | |
| CN204721258U (en) | A kind of mining high-voltage three level Combined frequency-change speed regulating device with soft start bypass | |
| CN103997194A (en) | Method for driving switch tube in BUCK circuit | |
| CN204442004U (en) | Direct current sectionalized bus device for intelligently switching | |
| CN202888951U (en) | Emergency power supply device reconstructed through frequency converter | |
| CN204615667U (en) | A kind of battery saving arrangement for power-equipment | |
| CN201726181U (en) | Double-conversion online UPS (Uninterrupted Power Supply) | |
| CN202612060U (en) | Air compressor | |
| CN210201484U (en) | Intelligent switching power supply device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170116 Address after: 310018, Zhejiang, Hangzhou economic and Technological Development Zone, No. 12, No. 289, No. three, No. 6 Industrial Park, garden building, 2F Patentee after: HANGZHOU LEADERWAY ELECTRONICS Co.,Ltd. Address before: Xinping street Suzhou City Industrial Park 215125 Jiangsu province No. 388 innovation park off Tower room C3A03 Patentee before: SUZHOU XIANGJIAN INTELLIGENT SCIENCE & TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20131106 |
|
| CX01 | Expiry of patent term |