CN104567055A - Refrigerating system using low-voltage switch stress boosting circuit - Google Patents
Refrigerating system using low-voltage switch stress boosting circuit Download PDFInfo
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- CN104567055A CN104567055A CN201510005435.XA CN201510005435A CN104567055A CN 104567055 A CN104567055 A CN 104567055A CN 201510005435 A CN201510005435 A CN 201510005435A CN 104567055 A CN104567055 A CN 104567055A
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- diode
- refrigeration system
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
- H02M3/07—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/024—Compressor control by controlling the electric parameters, e.g. current or voltage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Engineering & Computer Science (AREA)
- Dc-Dc Converters (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention provides a refrigerating system using a low-voltage switch stress boosting circuit. The refrigerating system comprises a refrigerating loop, and a control mechanism which controls a compressor to work; the refrigerating loop comprises the compressor, a condensing pipe, a drying filter, a capillary pipe and an evaporator which are sequentially connected; the control mechanism comprises a motor and a booster circuit; the motor is connected with the compressor of the refrigerating system; the booster circuit comprises an input power supply, a switch element, a diode, an inductor, an input capacitor, a medium capacitor and an output capacitor. According to the refrigerating system, the switch element is controlled to be connected and disconnected to achieve the boosting function as well as reducing the voltage between a collector electrode and an emission electrode of the switch element; in addition, the parts used are fewer than those used by the existing switch device, and therefore, the connection consumption and switch consumption of the whole switch tube can be reduced, and as a result, the loss of the whole converter can be reduced; the problem of insufficient output voltage which leads to reduction of inverter efficiency and increase of stress of the switch can be solved; the working efficiency of the refrigerating device is increased while reducing the energy consumption of a refrigerator unit.
Description
Technical field
The present invention relates to the refrigeration system of stable operation environment, is a kind of refrigeration system using the booster circuit of low-voltage switches stress specifically.
Background technology
Current mobile refrigerating system provides power general all the more by new forms of energy such as solar energy, but due in solar power system or fuel cell system, what provide due to monolithic solar cell or single fuel cell is all the direct current that voltage is lower, the need for electricity of existing electrical equipment can not be met, grid-connected requirement can not be met, therefore need high voltage direct current low voltage and direct current being converted to actual needs.Thus the booster converter of high-gain, stable performance becomes a study hotspot, and the development of this research to promotion photovoltaic, fuel cell industry has a very big significance.
The most basic booster converter is single tube Boost, but the boosting scope of this converter is very limited, is difficult to the conversion requirement meeting high-gain, and switch tube voltage stress is output voltage.
At present, improving existing booster converter mainly contains following several:
The first utilizes transformer, adds the transformer of a high frequency in the middle of original DC-DC converter, realizes the object of high gain boost by changing transformer voltage ratio.Now, the conversion process of electric energy, in fact by original DC-to-dc, becomes DC-AC-AC-DC, and the energy conversion efficiency of whole system reduces.
The second utilizes coupling inductance, but coupling inductance complex structure, be unfavorable for industrial processes, be difficult to the uniformity ensureing circuit, and switching device voltage stress can be caused too high, bring the impacts such as electromagnetic interference, cause converter working loss larger.
The third adds cascaded Boost unit, and unit number is more, and voltage gain is larger, but circuit elements number of packages is more, and structure is more complicated.
5th kind is crisscross parallel DC-DC converter, it comprises two inductance, two fly-wheel diodes, two power switch pipes, the drain electrode of the first power switch pipe is connected with one end of the anode of the first diode and the first inductance, the drain electrode of the second power switch pipe is connected with one end of the anode of the second diode and the second inductance, and the other end of the first inductance is connected with the other end of the second inductance.This boost interleaved parallel DC-DC converter output voltage gain is less, and the voltage stress of power switch pipe is comparatively large, and power switch pipe is hard switching work, and switching loss is comparatively large, and the reverse recovery current of fly-wheel diode is comparatively large, and reverse recovery loss is larger.
6th kind is soft switch circuit, and therefore, in recent years, researcher have studied some soft switch circuits in succession, mainly contains two classes: a class is the Sofe Switch realizing power switch pipe by being attached with the device such as source power switch and passive inductance, electric capacity; Another kind of is the Sofe Switch being realized power switch pipe by devices such as additional diode and passive inductance, electric capacity, as shown in Figure 1.Although the Sofe Switch that can realize power switch pipe of these two class methods, additional circuit is complicated, and can not reduce the voltage stress of power switch pipe.
Also have a kind of by electric capacity, diode, the DC boosting matrix circuit that triode is formed, as shown in Figure 2, namely the connection of out-put supply and matrix is only in one end of one end of the first row electric capacity and last column electric capacity, input power is only connected by triode in one end of first row electric capacity and one end of last column capacitance with matrix, with adjacent 2 row of a line electric capacity by 2 in the same way diodes in parallel and the diode of adjacent 2 row for sharing diode, each electric capacity series aiding connections of same row and in the end one end of a line electric capacity be connected with 2 diodes, it is 2 triodes conducting simultaneously that every electric capacity of same a line can be allowed to form charge circuit by suitable control method, and the triode one_to_one corresponding conducting of the triode and last column capacitance that are connected to first row electric capacity makes each row electric capacity be wheel current charge.But the elements such as the switch needed for this booster circuit, electric capacity, diode are too many, cause circuit structure complexity, cost too high.
Summary of the invention
Technical problem to be solved by this invention is for the defect in aforementioned background art and deficiency, and provide a kind of refrigeration system using the booster circuit of low-voltage switches stress to control, its loss is low, and power density is high.
A kind of refrigeration system using low-voltage switches stress booster circuit of the present invention, this refrigeration system comprises controlling organization and refrigerating circuit, and described refrigerating circuit comprises the compressor, condenser pipe, device for drying and filtering, capillary and the evaporimeter that are connected in turn; The controlling organization of this refrigeration system comprises motor and booster circuit, and described motor is connected with the compressor of refrigeration system, and described motor carries out work for controlling compressor, and it comprises booster circuit; It is characterized in that:
Described booster circuit comprises input power, switch element S1, S2, diode D1, D2, inductance L, input capacitance C1, intermediate capacitance C2 and output capacitance Co.Due to the characteristic of switching device, switch element S1, S2 have parasitic capacitance C respectively
s1, C
s2.Concrete annexation is: the positive pole of input voltage vin connects one end of inductance L and the negative terminal of input capacitance C1, the colelctor electrode of the other end connecting valve element S1 of inductance L, the positive level of diode D1, the colelctor electrode of the emitter stage connecting valve element S2 of switch element S1, the emitter stage of switch element S2 connects the negative pole of input voltage vin, one end of intermediate capacitance C2 connects the negative electrode of diode D1, the emitter stage of other end connecting valve element S1, the anode of diode D2 connects the negative electrode of diode D1, the negative electrode of diode D2 connects the anode of input capacitance C1, one end of output capacitance Co connects the negative electrode of diode D2, the other end of output capacitance Co connects the negative pole of input voltage vin, and produce output voltage Vout at its two ends, switch element S1, S2 forms switch element branch road, diode D1, D2 forms diode branch, switch element branch road and diode branch conducting when synchronization is different.
Switch element S can be IGBT or MOSFET, and diode is fast recovery diode or Schottky diode;
Input power is chargeable storage, fuel cell, photovoltaic cell or super capacitor or other new forms of energy power supplys etc.;
Compared with prior art, beneficial effect of the present invention comprises:
By the turn-on and turn-off of gauge tap element S1, S2, the voltage drop between switch element S1, S2 collector and emitter can be made while realizing boost function to be no more than 50% of output voltage, greatly reduce its voltage stress, and it is few relative to prior art switching device, reduce conduction loss and the switching loss of global switch pipe, further reduce the overall losses of converter, structure is simple, noenergy losser in circuit, improve the operating efficiency of converter, thus ensure the operating efficiency of refrigeration system further, reduce energy consumption.
Accompanying drawing explanation
Fig. 1: existing crisscross parallel dc-dc converter circuit structure chart;
Fig. 2: existing DC boosting matrix circuit structure chart;
Fig. 3: the structural representation with the booster circuit of low-voltage switches stress of the present invention;
Fig. 4: the booster circuit first stage working condition with low-voltage switches stress of the present invention;
Fig. 5: the booster circuit second stage working condition with low-voltage switches stress of the present invention;
Fig. 6: the booster circuit phase III working condition with low-voltage switches stress of the present invention;
Fig. 7: the booster circuit fourth stage working condition with low-voltage switches stress of the present invention;
Fig. 8: the booster circuit five-stage working condition with low-voltage switches stress of the present invention;
Fig. 9: refrigerating circuit connected mode of the present invention.
Detailed description of the invention
For making technical scheme of the present invention clearly, below in conjunction with accompanying drawing and specific implementation process, the present invention is described in further detail.
A kind of refrigeration system using low-voltage switches stress booster circuit provided by the invention, this refrigeration system comprises refrigerating circuit and carries out the controlling organization of work for controlling compressor, and described refrigerating circuit comprises the compressor 1, condenser pipe 2, device for drying and filtering 3, capillary 4 and the evaporimeter 5 that are connected in turn; The controlling organization of this refrigeration system comprises motor and booster circuit, and described motor is connected with the compressor of refrigeration system, described booster circuit for described motor provide electric energy drive compressor operation.
As shown in Figure 3, the booster circuit of low-voltage switches stress of the present invention comprises input voltage vin, switch element S1, S2, diode D1, D2, inductance L, input capacitance C1, intermediate capacitance C2 and output capacitance Co.Due to the characteristic of switching device, switch element S1, S2 have parasitic capacitance C respectively
s1, C
s2.
3 structure of the present invention is elaborated by reference to the accompanying drawings, concrete annexation is: the positive pole of input voltage vin connects one end of inductance L and the negative terminal of input capacitance C1, the colelctor electrode of the other end connecting valve element S1 of inductance L, the positive level of diode D1, the colelctor electrode of the emitter stage connecting valve element S2 of switch element S1, the emitter stage of switch element S2 connects the negative pole of input voltage vin, one end of intermediate capacitance C2 connects the negative electrode of diode D1, the emitter stage of other end connecting valve element S1, the anode of diode D2 connects the negative electrode of diode D1, the negative electrode of diode D2 connects the anode of input capacitance C1, one end of output capacitance Co connects the negative electrode of diode D2, the other end of output capacitance Co connects the negative pole of input voltage vin, and produce output voltage Vout at its two ends.
Below in conjunction with accompanying drawing 4-8, the working condition of this booster circuit is described:
First stage, as shown in Figure 4: the equal conducting of switch element S1, S2, switching branches is in conducting state, inductive current I
lto flow through switch element S1, S2, electric current flows to the negative pole of input voltage vin through inductance L from the positive pole of input voltage vin; Without diode D1, D2, diode branch is in off-state;
Second stage, as shown in Figure 5: switch element S1 conducting, switch element S2 turns off, due to the shutoff of switch element S2, switching branches is caused to be in off-state, inductive current will flow to input capacitance C1 and output capacitance Co by diode D1, D2, and diode branch is in conducting state, and capacitance state is now intermediate capacitance C2 and parasitic capacitance C
s2in parallel with output capacitance Co and diode D2 series arm after series connection; Reach intermediate capacitance C2 and parasitic capacitance C after stable state
s2respective voltage will be 50% of the output voltage on output capacitance Co.
Phase III, as shown in Figure 6: switch element S1 turns off, switch element S2 turns off, due to the shutoff of switch element S1, S2, switching branches is caused still to be in off-state, inductive current will continue through diode D1, D2 and flow to input capacitance C1 and output capacitance Co, diode branch is still in conducting state, and capacitance state is now (1) intermediate capacitance C2 and parasitic capacitance C
s2in parallel with output capacitance Co and diode D2 series arm after series connection; (2) parasitic capacitance C
s1in parallel with intermediate capacitance C2 and diode D1 series arm, reach intermediate capacitance C2 and parasitic capacitance C after stable state
s2respective voltage will be 50%, parasitic capacitance C of the output voltage on output capacitance Co
s1voltage be the voltage of intermediate capacitance C2, be also 50% of the output voltage on output capacitance Co.
Fourth stage, as shown in Figure 7: switch element S1 conducting, switch element S2 turn off, due to the shutoff of switch element S2, switching branches is caused still to be in off-state, suppose that this circuital current is in continuous mode, inductive current will continue through diode D1, D2 and flow to input capacitance C1 and output capacitance Co, and diode branch is still in conducting state, and capacitance state is now: (1) intermediate capacitance C2 and parasitic capacitance C
s2in parallel with output capacitance Co and diode D2 series arm after series connection, (2) parasitic capacitance C
s1two ends are in short circuit state due to the conducting of switching tube S1; Reach intermediate capacitance C2 and parasitic capacitance C after stable state
s2respective voltage will be 50%, parasitic capacitance C of the output voltage on output capacitance Co
s1voltage will be released and be down to 0;
Five-stage, as shown in Figure 8: switch element S1 conducting, switch element S2 conducting, due to the conducting of switch element S1.S2, cause switching branches to get back to conducting state, inductive current I
lto flow through switch element S1, S2, electric current flows to the negative pole of input voltage vin through inductance L from the positive pole of input voltage vin; Because diode D1, D2 bear reverse pressure drop, diode branch will become and will be in off state, and capacitance state is now: (1) intermediate capacitance C2 is temporarily in suspended state (2) parasitic capacitance CS2 two ends due to the conducting of switching tube S2 and is in short circuit state; After reaching stable state, intermediate capacitance C2 temporarily because voltage can not suddenly change will will be released and will be down to 0 for 50%, parasitic capacitance CS1 of output voltage on output capacitance Co, the voltage of CS2;
Above-mentioned stage repetitive cycling is the course of work of this booster circuit, in whole process, voltage between switch element S1, S2 collector and emitter is no more than 50% of output voltage, greatly reduce its voltage stress, and few relative to prior art switching device, reduce conduction loss and the switching loss of global switch pipe, further reduce the overall losses of converter, structure is simple, and noenergy losser in circuit, improves the operating efficiency of converter.
As shown in Figure 9, refrigerating circuit comprises the compressor 1, condenser pipe 2, device for drying and filtering 3, capillary 4 and the evaporimeter 5 that are connected in turn; Condenser pipe 2 comprises horizontally-arranged condenser pipe and vertical setting of types condenser pipe, the installation site of described horizontally-arranged condenser pipe and vertical setting of types condenser pipe can replace, by analyzing cold-producing medium change of flow state and inside and outside portion heat transfer boundary condition in condenser, the coefficient of heat transfer of horizontally-arranged pipework condensation device increases by more than 3 times than vertical setting of types pipework condensation device, adopt the combine condenser of trend of horizontal, vertical coil pipe will improve condenser heat transfer effect, simultaneously also can reduce flow of refrigerant moving noise, its structure is simple, be skillfully constructed, suit large area to popularize.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or equivalent replacement, and not departing from any amendment of spirit and scope of the invention or equivalent replacement, it all should be encompassed in the middle of right of the present invention.
Claims (9)
1. one kind uses the refrigeration system of low-voltage switches stress booster circuit, this refrigeration system comprises refrigerating circuit and carries out the controlling organization of work for controlling compressor, described refrigerating circuit comprises the compressor (1), condenser pipe (2), device for drying and filtering (3), capillary (4) and the evaporimeter (5) that are connected in turn, it is characterized in that: the controlling organization of this refrigeration system comprises motor and booster circuit, and described motor is connected with the compressor of refrigeration system.
2. refrigeration system according to claim 1, it is characterized in that: described booster circuit comprises input power, switch element S1, S2, diode D1, D2, inductance L, input capacitance C1, intermediate capacitance C2 and output capacitance Co, described input power produces input voltage vin, switch element S1, S2 has parasitic capacitance CS1 respectively, CS2, switch element S1, S2 forms switch element branch road, diode D1, D2 forms diode branch, the positive pole of input voltage vin connects one end of inductance L and the negative terminal of input capacitance C1, the colelctor electrode of the other end connecting valve element S1 of inductance L, the positive level of diode D1, the colelctor electrode of the emitter stage connecting valve element S2 of switch element S1, the emitter stage of switch element S2 connects the negative pole of input voltage vin, one end of described intermediate capacitance C2 connects the negative electrode of diode D1, the emitter stage of other end connecting valve element S1, the anode of diode D2 connects the negative electrode of diode D1, the negative electrode of diode D2 connects the anode of input capacitance C1, one end of output capacitance Co connects the negative electrode of diode D2, the other end of output capacitance Co connects the negative pole of input voltage vin, and produce output voltage Vout at its two ends, switching branches and diode branch conducting when synchronization is different.
3. refrigeration system according to claim 2, is characterized in that: described switching tube S1, S2 are IGBT or MOSFET or other high-power switch devices.
4. refrigeration system according to claim 2, is characterized in that: described input power is battery, fuel cell, photovoltaic cell, super capacitor or other new forms of energy power supplys.
5. refrigeration system according to claim 2, is characterized in that: described diode D1, D2 are fast recovery diode or Schottky diode.
6. refrigeration system according to claim 2, is characterized in that: by the turn-on and turn-off of gauge tap element S1, S2, makes the voltage drop between switch element S1, S2 collector and emitter be no more than 50% of output voltage while realizing boost function.
7. refrigeration system according to claim 1, is characterized in that: described condenser pipe (2) comprises horizontally-arranged condenser pipe and vertical setting of types condenser pipe.
8. refrigeration system according to claim 1, is characterized in that: described evaporimeter (5) is finned evaporator.
9. refrigeration system according to claim 1, is characterized in that: be provided with muffler (6) between described device for drying and filtering (3) and capillary (5).
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| CN201510005435.XA CN104567055B (en) | 2014-12-12 | 2015-01-07 | A kind of refrigeration system using low-voltage switches stress booster circuit |
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| CN201410763927 | 2014-12-12 | ||
| CN2014107639270 | 2014-12-12 | ||
| CN201510005435.XA CN104567055B (en) | 2014-12-12 | 2015-01-07 | A kind of refrigeration system using low-voltage switches stress booster circuit |
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| CN104567055B CN104567055B (en) | 2018-06-08 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607778A (en) * | 2017-10-23 | 2018-01-19 | 宁德时代新能源科技股份有限公司 | Circuit and method for detecting current in high-voltage circuit of battery, detector, battery device, vehicle and computer storage readable medium |
| CN108258905A (en) * | 2018-02-12 | 2018-07-06 | 广州金升阳科技有限公司 | A kind of booster circuit and its control method |
| CN108400698A (en) * | 2017-02-06 | 2018-08-14 | 奥迪股份公司 | Circuit arrangement for electronic equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0956197A (en) * | 1995-08-16 | 1997-02-25 | Isuzu Ceramics Kenkyusho:Kk | Power converting apparatus for automobile |
| CN1400728A (en) * | 2002-08-05 | 2003-03-05 | 浙江大学 | Three-level passive flexible switch D.C. Transformer circuit |
| CN101286694A (en) * | 2007-04-12 | 2008-10-15 | 三菱电机株式会社 | Dc/dc power conversion device |
| CN101968290A (en) * | 2009-07-27 | 2011-02-09 | 罗基研究公司 | DC powered heating ventilation air-condition and refrigeration system |
| JP2012244882A (en) * | 2011-05-24 | 2012-12-10 | Sanyo Electric Co Ltd | Connection box |
| CN104113261A (en) * | 2013-07-29 | 2014-10-22 | 广东美的制冷设备有限公司 | Air-conditioner compressor control circuit and variable frequency air-conditioner |
| CN204593923U (en) * | 2014-12-12 | 2015-08-26 | 贵州永红航空机械有限责任公司 | A kind of refrigeration system based on low-voltage switches stress booster circuit |
-
2015
- 2015-01-07 CN CN201510005435.XA patent/CN104567055B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0956197A (en) * | 1995-08-16 | 1997-02-25 | Isuzu Ceramics Kenkyusho:Kk | Power converting apparatus for automobile |
| CN1400728A (en) * | 2002-08-05 | 2003-03-05 | 浙江大学 | Three-level passive flexible switch D.C. Transformer circuit |
| CN101286694A (en) * | 2007-04-12 | 2008-10-15 | 三菱电机株式会社 | Dc/dc power conversion device |
| CN101968290A (en) * | 2009-07-27 | 2011-02-09 | 罗基研究公司 | DC powered heating ventilation air-condition and refrigeration system |
| JP2012244882A (en) * | 2011-05-24 | 2012-12-10 | Sanyo Electric Co Ltd | Connection box |
| CN104113261A (en) * | 2013-07-29 | 2014-10-22 | 广东美的制冷设备有限公司 | Air-conditioner compressor control circuit and variable frequency air-conditioner |
| CN204593923U (en) * | 2014-12-12 | 2015-08-26 | 贵州永红航空机械有限责任公司 | A kind of refrigeration system based on low-voltage switches stress booster circuit |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108400698A (en) * | 2017-02-06 | 2018-08-14 | 奥迪股份公司 | Circuit arrangement for electronic equipment |
| CN108400698B (en) * | 2017-02-06 | 2020-08-04 | 奥迪股份公司 | Circuit arrangement for an electronic device |
| CN107607778A (en) * | 2017-10-23 | 2018-01-19 | 宁德时代新能源科技股份有限公司 | Circuit and method for detecting current in high-voltage circuit of battery, detector, battery device, vehicle and computer storage readable medium |
| CN107607778B (en) * | 2017-10-23 | 2023-12-15 | 宁德时代新能源科技股份有限公司 | Current detection circuit and method in battery high-voltage loop, detector, battery device, carrier and computer storage readable medium |
| CN108258905A (en) * | 2018-02-12 | 2018-07-06 | 广州金升阳科技有限公司 | A kind of booster circuit and its control method |
| CN108258905B (en) * | 2018-02-12 | 2024-04-12 | 广州金升阳科技有限公司 | Boost circuit and control method thereof |
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| Publication number | Publication date |
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| CN104567055B (en) | 2018-06-08 |
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