CN204103532U - A kind of two-way charger - Google Patents
A kind of two-way charger Download PDFInfo
- Publication number
- CN204103532U CN204103532U CN201420432558.2U CN201420432558U CN204103532U CN 204103532 U CN204103532 U CN 204103532U CN 201420432558 U CN201420432558 U CN 201420432558U CN 204103532 U CN204103532 U CN 204103532U
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- power tube
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- converter circuit
- switch
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- 239000003990 capacitor Substances 0.000 claims description 21
- 239000004065 semiconductor Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a kind of two-way charger, comprising: ac input end, two-way converter circuit, control circuit, charge switch, direct current input/output terminal, ac output end, discharge switch; Wherein, described control circuit is used for controlling described charge switch when receiving charging signals and closes, controls the disconnection of described discharge switch, and send the first control signal to described two-way converter circuit, described direct current input/output terminal is charged by described two-way converter circuit to make described ac input end; Described control circuit also closes for controlling described discharge switch when the discharge signal received, control described charge switch disconnects, and send the second control signal to described two-way converter circuit, described ac output end is discharged by described two-way converter circuit to make described input/output terminal.The two-way charger that the utility model provides can realize two-way charging, and it both can be charged the battery by charging pile, also can by battery powering load.
Description
Technical field
The utility model relates to electrical equipment control field.Relate in particular to a kind of two-way charger.
Background technology
Charging circuit to exchange the circuit inputting and be converted to direct current and export, charging circuit can according to the value adjusting the output of its direct current of the needs of charging object, the devices such as the converter circuit after rectifier bridge, the switching tube of pfc circuit, the switching tube of DC/DC converter and isolation are generally included in existing charging circuit, first utilize rectifier bridge that the alternating current of input is become direct current, and then according to drive singal, direct current is converted to the direct current being applicable to charging object and using by converter circuit, this converter circuit is made up of multiple converter bridge, and DC/DC conversion is carried out in its effect.
Existing charger can only realize utilizing external AC power to charge to battery, and can not realize utilizing the external output AC electricity of the electric energy of battery storage.
Utility model content
For this reason, technical problem to be solved in the utility model is to provide a kind of two-way charger, can charge to battery, also can transfer battery DC electricity to alternating current, for AC load.
For solving the problems of the technologies described above, the utility model adopts following scheme:
The utility model provides a kind of two-way charger, comprising: ac input end, two-way converter circuit, control circuit, charge switch, direct current input/output terminal, ac output end, discharge switch;
Wherein, described control circuit is connected with described charge switch, discharge switch, two-way converter circuit respectively; Described ac input end is connected with described two-way converter circuit by described charge switch, and described two-way converter circuit is connected with described ac output end by described discharge switch;
Described two-way converter circuit is connected with described direct current input/output terminal;
Described control circuit is used for controlling described charge switch when receiving charging signals and closes and control the disconnection of described discharge switch, and send the first control signal to described two-way converter circuit, described direct current input/output terminal is charged by described two-way converter circuit to make described ac input end;
Described control circuit also closes and controls the disconnection of described charge switch for controlling described discharge switch when receiving discharge signal, and send the second control signal to described two-way converter circuit, described ac output end is discharged by described two-way converter circuit to make described direct current input/output terminal.
Above-mentioned two-way charger, described two-way converter circuit comprises: the first capacitor, the second capacitor, inductor, described two-way converter circuit also comprises the first power tube, second power tube, 3rd power tube, the bridge circuit of the 4th power tube composition, the source electrode of wherein said first power tube is connected as the first end of bridge circuit with the drain electrode of described second power tube, the source electrode of described 3rd power tube is connected as the second end of bridge circuit with the drain electrode of described 4th power tube, the drain electrode of described first power tube is connected as the 3rd end of bridge circuit with the drain electrode of described 3rd power tube, the source electrode of described second power tube is connected as the 4th end of bridge circuit with the source electrode of described 4th power tube,
The first end of described first capacitor is connected with the first end of described bridge circuit, the second end of described first capacitor is connected with the second end of described bridge circuit, between the first end that described inductor is connected to described first capacitor and the first end of described bridge circuit, the first end of described second capacitor is connected with the 3rd end of described bridge circuit, and the second end of described second capacitor is connected with the 4th end of described bridge circuit.
Above-mentioned two-way charger, the first control signal that described control circuit sends comprises: the first charging modulation signal and the second charging modulation signal;
The second control signal that described control circuit sends comprises: the first electric discharge modulation signal and the second electric discharge modulation signal;
The grid of described first power tube and the grid of described 4th power tube are for receiving described first charging modulation signal or the first electric discharge modulation signal, and the grid of described second power tube and the grid of described 3rd power tube are for receiving described second charging modulation signal or the second electric discharge modulation signal.
Above-mentioned two-way charger, also comprises: preliminary filling switch, resistor; Described preliminary filling switch is in parallel with described charge switch with after described resistor in series.
Above-mentioned two-way charger, described first power tube, the second power tube, the 3rd power tube, the 4th power tube are the metal-oxide-semiconductors of N raceway groove.
The utility model provides technique scheme compared with prior art at least to have the following advantages:
The battery that the charging signals that the two-way charger that the utility model provides can receive according to control circuit realizes DC output end connects charges, and the discharge signal that can receive according to control circuit realizes the external output AC signal of telecommunication.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is the structural representation of the two-way charger that embodiment one provides;
Fig. 2 is the circuit connection diagram of the two-way charger that embodiment two provides;
Fig. 3 is the connection layout of preliminary filling switch and charge switch in the two-way charger that provides of embodiment two.
Embodiment
embodiment one
The present embodiment provides a kind of two-way charger, and as shown in Figure 1, this two-way charger comprises: ac input end 11, two-way converter circuit 12, control circuit 13, charge switch 14, direct current input/output terminal 15, ac output end 16, discharge switch 17.
Wherein, described control circuit 13 is connected with described charge switch 14, discharge switch 17, two-way converter circuit 12 respectively; Described ac input end 11 is connected with described converter circuit by described charge switch 14, and described two-way converter circuit 12 is connected with described ac output end 16 by described discharge switch 17;
Described two-way converter circuit 12 is connected with described direct current input/output terminal 15.Described control circuit 13 is closed and control described discharge switch 17 and disconnect for controlling described charge switch 14 when receiving charging signals 131, and send the first control signal to described two-way converter circuit 12, described direct current input/output terminal 15 is charged by described two-way converter circuit 12 to make described ac input end 11.Described control circuit 13 is also closed and control described charge switch 14 and disconnect for controlling described discharge switch 17 when receiving discharge signal 132, and send the second control signal to described two-way converter circuit 12, described ac output end 16 is discharged by described two-way converter circuit 12 to make described direct current input/output terminal.
Ac input end 11 is for external AC power supply, and ac output end 16 is for external AC load, and direct current input/output terminal 15 is for external charge battery.The two-way charger that the utility model provides can be applied on electric automobile, the on-vehicle battery of electric automobile can be connected with described direct current input/output terminal 15, for the charging pile of vehicle charging can be connected with described ac input end 11, ac output end 16 can connect other AC load.
The charging signals 131 that control circuit 13 receives and discharge signal 132 are extraneous signals inputted as required, such as when ac input end 11 to be connected with charging pile namely need to charge to battery time, the external world understands send charging signals 131 to control circuit 13; But ac output end 16 is connected when namely needing to use battery externally to discharge as power supply with other AC load, extraneously discharge signal 132 can be sent to control circuit 13.The first and second control signals normally pulse width modulating signal that described control circuit 13 sends to described two-way converter circuit 12, two-way converter circuit 12 can realize AC-DC under the control of the first and second control signals or direct current becomes the function exchanged.During charging, the alternating current that external AC power supply inputs is converted to direct current (half-wave) according to the first control signal by this circuit, and the battery being supplied to direct current input/output terminal 15 connection charges; During electric discharge, the direct current that battery exports is converted to alternating current according to the second control signal by this circuit, is supplied to the AC load use that ac output end 16 connects.
The function of the charging that the two-way charger that the present embodiment provides will be able to realize according to it or electric discharge, control circuit 13 is controlled two-way converter circuit 12 and charge switch 14 and discharge switch 17, achieves battery charging and the object utilizing the external output AC electricity of battery.
embodiment two
On the basis of above-described embodiment, the present embodiment provides a kind of two-way charger, as shown in Figure 2, two-way converter circuit 12 wherein comprises: the first capacitor 125, second capacitor 127, inductor 126, described two-way converter circuit 12 also comprises the first power tube 121, second power tube 122, 3rd power tube 123, the bridge circuit that 4th power tube 124 forms, the source electrode of wherein said first power tube 121 is connected as the first end of bridge circuit with the drain electrode of described second power tube 122, the source electrode of described 3rd power tube 123 is connected as the second end of bridge circuit with the drain electrode of described 4th power tube 124, the drain electrode of described first power tube 121 is connected as the 3rd end of bridge circuit with the drain electrode of described 3rd power tube 123, the source electrode of described second power tube 122 is connected as the 4th end of bridge circuit with the source electrode of described 4th power tube 124.
The first end of described first capacitor 125 is connected with the first end of described bridge circuit, described second end of the first capacitor 125 is connected with the second end of described bridge circuit, between the first end that described inductor 126 is connected to described first capacitor 125 and the first end of described bridge circuit, the first end of described second capacitor 127 is connected with the 3rd end of described bridge circuit, the second end of described second capacitor 127 is connected with the 4th end of described bridge circuit.
Further, the first control signal that described control circuit 13 sends comprises: the first charging modulation signal and the second charging modulation signal.The second control signal that described control circuit 13 sends comprises: the first electric discharge modulation signal and the second electric discharge modulation signal.
The grid of described first power tube 121 and the grid of described 4th power tube 124 are for receiving described first charging modulation signal or the first electric discharge modulation signal, and the grid of described second power tube 122 and the grid of described 3rd power tube 123 are for receiving described second charging modulation signal or the second electric discharge modulation signal.
Present embodiments provide a kind of two-way converter circuit structure specifically.During charging, four power tubes in this two-way converter circuit receive two groups of modulation signals, namely the first charging modulation signal (PWMA) and the second charging modulation signal (PWMB), make two-way converter circuit 12 that the alternating current of input is converted to direct current; During electric discharge, four power tubes in this two-way converter circuit receive other two groups of modulation signals, namely the first electric discharge modulation signal (PWMA) and the second electric discharge modulation signal (PWMB), make two-way converter circuit 12 that the direct current of input is converted to alternating current.
Preferably, the first power tube 121, second power tube 122 described in the present embodiment, the 3rd power tube 123, the 4th power tube 124 are metal-oxide-semiconductors of N raceway groove.As other optional execution modes, power tube can also select metal-oxide-semiconductor or the transistor of other types.
Further preferably, as shown in Figure 3, described circuit also comprises: preliminary filling switch 28, resistor 29.Described preliminary filling switch 28 is in parallel with described charge switch 14 after connecting with described resistor 29.
During due to charging, the VD in this two-way charger has minimum limit value, if cell voltage is lower, there will be larger charging current, exceedes the current value that circuit can bear.For solving this problem; preliminary filling resistor 29 is increased at ac input end 11; namely when cell voltage is lower; first adhesive preliminary filling switch 28; low current charge is carried out to battery, after cell voltage raises, more closed charge switch 14; carry out large current charge, effective protective effect can be played to circuit.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And thus the apparent change of extending out or variation be still among the protection range that the utility model creates.
Claims (5)
1. a two-way charger, is characterized in that, comprising: ac input end, two-way converter circuit, control circuit, charge switch, direct current input/output terminal, ac output end, discharge switch;
Wherein, described control circuit is connected with described charge switch, discharge switch, two-way converter circuit respectively; Described ac input end is connected with described two-way converter circuit by described charge switch, and described two-way converter circuit is connected with described ac output end by described discharge switch;
Described two-way converter circuit is connected with described direct current input/output terminal;
Described control circuit is used for controlling described charge switch when receiving charging signals and closes and control the disconnection of described discharge switch, and send the first control signal to described two-way converter circuit, described direct current input/output terminal is charged by described two-way converter circuit to make described ac input end;
Described control circuit also closes and controls the disconnection of described charge switch for controlling described discharge switch when receiving discharge signal, and send the second control signal to described two-way converter circuit, described ac output end is discharged by described two-way converter circuit to make described direct current input/output terminal.
2. two-way charger according to claim 1, is characterized in that:
Described two-way converter circuit comprises: the first capacitor, the second capacitor, inductor, described two-way converter circuit also comprises the first power tube, second power tube, 3rd power tube, the bridge circuit of the 4th power tube composition, the source electrode of wherein said first power tube is connected as the first end of bridge circuit with the drain electrode of described second power tube, the source electrode of described 3rd power tube is connected as the second end of bridge circuit with the drain electrode of described 4th power tube, the drain electrode of described first power tube is connected as the 3rd end of bridge circuit with the drain electrode of described 3rd power tube, the source electrode of described second power tube is connected as the 4th end of bridge circuit with the source electrode of described 4th power tube,
The first end of described first capacitor is connected with the first end of described bridge circuit, the second end of described first capacitor is connected with the second end of described bridge circuit, between the first end that described inductor is connected to described first capacitor and the first end of described bridge circuit, the first end of described second capacitor is connected with the 3rd end of described bridge circuit, and the second end of described second capacitor is connected with the 4th end of described bridge circuit.
3. two-way charger according to claim 2, is characterized in that:
The first control signal that described control circuit sends comprises: the first charging modulation signal and the second charging modulation signal;
The second control signal that described control circuit sends comprises: the first electric discharge modulation signal and the second electric discharge modulation signal;
The grid of described first power tube and the grid of described 4th power tube are for receiving described first charging modulation signal or the first electric discharge modulation signal, and the grid of described second power tube and the grid of described 3rd power tube are for receiving described second charging modulation signal or the second electric discharge modulation signal.
4. the two-way charger according to any one of claim 1-3, is characterized in that, also comprise: preliminary filling switch, resistor;
Described preliminary filling switch is in parallel with described charge switch with after described resistor in series.
5. the two-way charger according to Claims 2 or 3, is characterized in that, described first power tube, the second power tube, the 3rd power tube, the 4th power tube are the metal-oxide-semiconductors of N raceway groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420432558.2U CN204103532U (en) | 2014-08-01 | 2014-08-01 | A kind of two-way charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420432558.2U CN204103532U (en) | 2014-08-01 | 2014-08-01 | A kind of two-way charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204103532U true CN204103532U (en) | 2015-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420432558.2U Expired - Lifetime CN204103532U (en) | 2014-08-01 | 2014-08-01 | A kind of two-way charger |
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| Country | Link |
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| CN (1) | CN204103532U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106130084A (en) * | 2015-05-04 | 2016-11-16 | 储盈新能源科技（上海）有限公司 | Novel uninterrupted power source |
| CN107097649A (en) * | 2017-05-31 | 2017-08-29 | 北京新能源汽车股份有限公司 | Vehicle-mounted bidirectional charger, vehicle-mounted bidirectional power supply method and device |
| CN107264308A (en) * | 2017-05-31 | 2017-10-20 | 北京新能源汽车股份有限公司 | Vehicle-mounted power supply system and automobile |
| CN107294147A (en) * | 2016-03-30 | 2017-10-24 | 比亚迪股份有限公司 | Onboard charger and vehicle |
| CN108377011A (en) * | 2018-02-27 | 2018-08-07 | 无锡华宸控制技术有限公司 | Charge-discharge circuit and charge-discharge system |
| CN108638897A (en) * | 2018-06-11 | 2018-10-12 | 浙江吉利汽车研究院有限公司 | Electric energy control system, automotive control system and automobile |
| CN111404262A (en) * | 2020-04-28 | 2020-07-10 | 江苏为恒智能科技有限公司 | Novel energy storage inverter output topology and energy storage power supply or emergency power supply using same |
-
2014
- 2014-08-01 CN CN201420432558.2U patent/CN204103532U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106130084A (en) * | 2015-05-04 | 2016-11-16 | 储盈新能源科技（上海）有限公司 | Novel uninterrupted power source |
| CN106130084B (en) * | 2015-05-04 | 2019-02-01 | 储盈新能源科技（上海）有限公司 | Uninterruptible power supply |
| CN107294147A (en) * | 2016-03-30 | 2017-10-24 | 比亚迪股份有限公司 | Onboard charger and vehicle |
| CN107097649A (en) * | 2017-05-31 | 2017-08-29 | 北京新能源汽车股份有限公司 | Vehicle-mounted bidirectional charger, vehicle-mounted bidirectional power supply method and device |
| CN107264308A (en) * | 2017-05-31 | 2017-10-20 | 北京新能源汽车股份有限公司 | Vehicle-mounted power supply system and automobile |
| CN107264308B (en) * | 2017-05-31 | 2020-03-06 | 北京新能源汽车股份有限公司 | Vehicle-mounted power supply system and automobile |
| CN108377011A (en) * | 2018-02-27 | 2018-08-07 | 无锡华宸控制技术有限公司 | Charge-discharge circuit and charge-discharge system |
| CN108377011B (en) * | 2018-02-27 | 2021-12-28 | 无锡华宸控制技术有限公司 | Charging and discharging circuit and charging and discharging system |
| CN108638897A (en) * | 2018-06-11 | 2018-10-12 | 浙江吉利汽车研究院有限公司 | Electric energy control system, automotive control system and automobile |
| CN111404262A (en) * | 2020-04-28 | 2020-07-10 | 江苏为恒智能科技有限公司 | Novel energy storage inverter output topology and energy storage power supply or emergency power supply using same |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150114 |