CN201004605Y - Special middle frequency conversion power supply device - Google Patents
Special middle frequency conversion power supply device Download PDFInfo
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- CN201004605Y CN201004605Y CNU2007200950531U CN200720095053U CN201004605Y CN 201004605 Y CN201004605 Y CN 201004605Y CN U2007200950531 U CNU2007200950531 U CN U2007200950531U CN 200720095053 U CN200720095053 U CN 200720095053U CN 201004605 Y CN201004605 Y CN 201004605Y
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Abstract
The utility model relates to a special medium frequency variable frequency power supply device, and the circuit consists of a power supply driving loop, a CPU medium frequency variable frequency main control plate, a current and voltage checking unit, a medium frequency IGBT output circuit and a faceplate control unit. The electric network voltage is three phases 380 v 50 Hz AC voltage and the electric network is commutated to the DC voltage through the rectification unit, and is inverted to single phase 380 V400 to 3000Hz AC power supply through the CPU medium variable frequency main control plate and the medium frequency IGBT module. The utility model has advantages that: 1, three phases electric network voltage for input, and single AC voltage for output. 2, the input voltage frequency is 50 Hz, and the output is 400 TO 3000 Hz of adjustable voltage. 3, the output voltage frequency is stable with good wave shape. 4, the utility model has small energy consumption and high efficiency.
Description
Technical field
The utility model belongs to a kind of oil-field oil pumper tracing system power source special that is applicable to, particularly a kind of special-purpose intermediate frequency variable frequency power supply equipment.
Background technology
Develop rapidly along with World Economics, the energy shortage phenomenon is serious all the more, tradition oilfield enterprise is that to produce energy rich and influential family be again major power consumer, and therefore improving oil recovery efficiency in the oil recovery process of oil field, cut down the consumption of energy is the Eternal Theme of countries in the world scientific research personnel research.Traditional oil pumping machinery tracing system uses low frequency, high power power always, and energy consumption is very big, is an energy-conservation breach of oil extraction system, fails for many years to break through always.
Summary of the invention
The purpose of this utility model provides a kind of special-purpose intermediate frequency variable frequency power supply equipment with regard to being, overcome the mechanical tracing system of oil pumping big, the inefficient persistent ailment of energy consumption for a long time.
The technical solution of the utility model is:
A kind of special-purpose intermediate frequency variable frequency power supply equipment is characterized in that: its circuit is connected the panel operating unit and is formed by CPU intermediate frequency frequency conversion governor circuit connection power driving circuit, power driving circuit connection intermediate frequency IGBT output circuit, current/voltage detection cell circuit connection CPU intermediate frequency frequency conversion governor circuit, CPU intermediate frequency frequency conversion governor circuit.
Wherein power driving circuit connection intermediate frequency IGBT output circuit physical circuit is: three-phase electricity connects three-phase full wave rectifier circuit by three phase mains, the output of full-wave rectifying circuit connects the energy-storage units circuit that is composed in parallel by the resistance of two groups of series connection and electric capacity, and the output of full-wave rectifying circuit connects inverter power circuit.
The output of full-wave rectifying circuit is connected with the filter circuit of inductance, electric capacity composition; The sample resistance that the filter circuit outer end string that inductance, electric capacity are formed has electric current and voltage to detect.
The input of three phase network voltage, the output of one-way communication voltage.
The input voltage frequency is 50Hz, is output as 400～3000Hz adjustable-voltage.
The utility model has the advantages that:
1, three phase network voltage input, the output of one-way communication voltage.
2, the input voltage frequency is 50Hz, is output as 400～3000Hz adjustable-voltage.
3, output voltage frequency is stable, waveform is good.
4, energy consumption is little, efficient is high.
Description of drawings:
Fig. 1 is a theory diagram of the present utility model
Fig. 2 is an electrical schematic diagram of the present utility model
Embodiment:
Utilize traditional variable-frequency governor interchange-AC/DC control principle effectively to transform,, and be widely used in very much every field even be widely used in the civil electric appliance because the variable-frequency control technique advanced person is very ripe.
The utility model circuit is made up of power drives loop, CPU intermediate frequency frequency conversion master control borad, current/voltage detecting unit, IGBT output circuit, panel operation unit as shown in Figure 1; Line voltage is that three-phase 380V50Hz alternating voltage is direct voltage by rectification unit with the grid ac voltage rectification, is single-phase 380V400 ~ 3000Hz AC power through CPU intermediate frequency frequency conversion master control borad and the inversion of intermediate frequency IGBT module.
Wherein power driving circuit connection IGBT output circuit physical circuit is as shown in Figure 2: three-phase electricity connects three-phase full wave rectifier circuit by three phase mains, the output of full-wave rectifying circuit connects the energy-storage units circuit that is composed in parallel by the resistance of two groups of series connection and electric capacity, and the output of full-wave rectifying circuit connects inverter power circuit.
The output of full-wave rectifying circuit is connected with the filter circuit of inductance, electric capacity composition; The sample resistance that the filter circuit outer end string that inductance, electric capacity are formed has electric current and voltage to detect.
We mainly replace employed common low frequency IGBT module in traditional variable-frequency governor with novel intermediate frequency IGBT device, passing through CPU intermediate frequency frequency conversion master control borad software and hardware, traditional variable-frequency governor can only be exported the pattern of three-phase voltage breaks, traditional variable-frequency governor output voltage frequency is risen to 400～3000Hz by 0 ~ 400Hz, even can rise to 10000Hz in theory, and reaching the three phase low frequency input, single-phase intermediate frequency is exported.
The special transformer that the utility model and Tianjin grand bright transformer Co., Ltd produces is combined into oil-field oil pumper tool tracing system, use in the oil field actual installation, obtained extraordinary energy-saving effect, be to have reduced by one times by the original tracing system of loss-rate, and obtain user's welcome and approval.
Facts have proved that above intermediate frequency variable frequency power supply equipment scheme is feasible fully.
Claims (5)
1, a kind of special-purpose intermediate frequency variable frequency power supply equipment is characterized in that: its circuit is connected the panel operating unit and is formed by CPU intermediate frequency frequency conversion governor circuit connection power driving circuit, power driving circuit connection intermediate frequency IGBT output circuit, current/voltage detection cell circuit connection CPU intermediate frequency frequency conversion governor circuit, CPU intermediate frequency frequency conversion governor circuit.
2, special-purpose intermediate frequency variable frequency power supply equipment according to claim 1, it is characterized in that: wherein power driving circuit connection intermediate frequency IGBT output circuit physical circuit is: three-phase electricity connects three-phase full wave rectifier circuit by three phase mains, the output of full-wave rectifying circuit connects the energy-storage units circuit that is composed in parallel by the resistance of two groups of series connection and electric capacity, and the output of full-wave rectifying circuit connects inverter power circuit.
3, special-purpose intermediate frequency variable frequency power supply equipment according to claim 2 is characterized in that: the output of full-wave rectifying circuit is connected with the filter circuit of inductance, electric capacity composition; The sample resistance that the filter circuit outer end string that inductance, electric capacity are formed has electric current and voltage to detect.
4, special-purpose intermediate frequency variable frequency power supply equipment according to claim 1 is characterized in that: the input of three phase network voltage, the output of one-way communication voltage.
5, special-purpose intermediate frequency variable frequency power supply equipment according to claim 1, it is characterized in that: the input voltage frequency is 50Hz, is output as 400～3000Hz adjustable-voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200950531U CN201004605Y (en) | 2007-01-24 | 2007-01-24 | Special middle frequency conversion power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200950531U CN201004605Y (en) | 2007-01-24 | 2007-01-24 | Special middle frequency conversion power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201004605Y true CN201004605Y (en) | 2008-01-09 |
Family
ID=39040148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200950531U Expired - Fee Related CN201004605Y (en) | 2007-01-24 | 2007-01-24 | Special middle frequency conversion power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201004605Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101800479A (en) * | 2010-03-24 | 2010-08-11 | 深圳市正弦电气有限公司 | Intelligently-annealing power source control device |
| CN102611171A (en) * | 2011-09-29 | 2012-07-25 | 株洲市达能科技有限公司 | High-pressure large-current direct-current charger |
| CN102878092A (en) * | 2012-10-16 | 2013-01-16 | 章礼道 | Novel energy-saving and speed-regulation electric water feeding pump system |
| CN103151909A (en) * | 2011-12-07 | 2013-06-12 | 鸿富锦精密工业（深圳）有限公司 | Power supply circuit |
| CN103633918A (en) * | 2013-11-08 | 2014-03-12 | 辽宁浩方天成智能系统有限公司 | Oil well integrated control device |
| CN103795226A (en) * | 2014-03-06 | 2014-05-14 | 郑海金 | Low-power-consumption pumping unit frequency converter with automatic intermittent pumping function and direct stroke frequency control function |
| CN104638945A (en) * | 2015-03-05 | 2015-05-20 | 潍坊市金华信电炉制造有限公司 | IGBT (insulated gate bipolar translator) serial inverting medium-frequency power supply device |
| CN105305839A (en) * | 2014-07-21 | 2016-02-03 | 长春轨道客车股份有限公司 | Auxiliary power converter for railway vehicle |
| CN110892788A (en) * | 2017-05-18 | 2020-03-17 | 恩文特服务有限责任公司 | Universal power converter |
-
2007
- 2007-01-24 CN CNU2007200950531U patent/CN201004605Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101800479A (en) * | 2010-03-24 | 2010-08-11 | 深圳市正弦电气有限公司 | Intelligently-annealing power source control device |
| CN102611171A (en) * | 2011-09-29 | 2012-07-25 | 株洲市达能科技有限公司 | High-pressure large-current direct-current charger |
| CN103151909A (en) * | 2011-12-07 | 2013-06-12 | 鸿富锦精密工业（深圳）有限公司 | Power supply circuit |
| CN102878092B (en) * | 2012-10-16 | 2015-04-08 | 章礼道 | Novel energy-saving and speed-regulation electric water feeding pump system |
| CN102878092A (en) * | 2012-10-16 | 2013-01-16 | 章礼道 | Novel energy-saving and speed-regulation electric water feeding pump system |
| CN103633918A (en) * | 2013-11-08 | 2014-03-12 | 辽宁浩方天成智能系统有限公司 | Oil well integrated control device |
| CN103633918B (en) * | 2013-11-08 | 2016-04-27 | 辽宁浩方天成智能系统有限公司 | Oil well integrated control unit |
| CN103795226A (en) * | 2014-03-06 | 2014-05-14 | 郑海金 | Low-power-consumption pumping unit frequency converter with automatic intermittent pumping function and direct stroke frequency control function |
| CN103795226B (en) * | 2014-03-06 | 2016-10-19 | 郑海金 | Take out, between band is automatic, the low-power consumption oil pumper converter controlled with direct jig frequency |
| CN105305839A (en) * | 2014-07-21 | 2016-02-03 | 长春轨道客车股份有限公司 | Auxiliary power converter for railway vehicle |
| CN104638945A (en) * | 2015-03-05 | 2015-05-20 | 潍坊市金华信电炉制造有限公司 | IGBT (insulated gate bipolar translator) serial inverting medium-frequency power supply device |
| CN110892788A (en) * | 2017-05-18 | 2020-03-17 | 恩文特服务有限责任公司 | Universal power converter |
| CN110892788B (en) * | 2017-05-18 | 2022-10-28 | 恩文特服务有限责任公司 | Universal power converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080109 Termination date: 20140124 |