CN103117543B - Direct-current load series-parallel connection switch circuit - Google Patents
Direct-current load series-parallel connection switch circuit Download PDFInfo
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- CN103117543B CN103117543B CN201310026217.5A CN201310026217A CN103117543B CN 103117543 B CN103117543 B CN 103117543B CN 201310026217 A CN201310026217 A CN 201310026217A CN 103117543 B CN103117543 B CN 103117543B
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Abstract
The invention discloses a direct-current load series-parallel connection switch circuit. Medium voltage end isolation positive electrodes and negative electrodes are respectively connected with low voltage end isolation diode positive electrodes and a high voltage end isolation diode negative electrodes to form N-1 subcircuits in total. N-1 low voltage isolation diode negative electrodes are connected in parallel and connected with a power negative electrode through a switch capable of controlling the low voltage end. Two ends of a first load are respectively connected with a power positive electrode and a medium voltage isolation diode positive electrode of a first subcircuit. Two ends of a second load are respectively connected with a medium voltage isolation diode negative electrode of the first subcircuit and a medium voltage isolation diode positive electrode of a second subcircuit. Accordingly, one end of an N-1 load is connected with a medium voltage isolation diode negative electrode of an N-2 subcircuit, and the other end of the N-1 load is connected with a medium voltage isolation diode positive electrode. One end of an N load is connected with a medium voltage isolation diode negative electrode of an N-1subcircuit, and the other end of the N load is connected with the power negative electrode.
Description
Technical field
The present invention relates to a kind of direct-current load series-parallel connection switch circuit, especially a kind of by multiple direct current power load from the circuit structure being switched to mutual series connection (otherwise or) parallel with one another.
Background technology
For direct current power load, the even multiple capacity cell of especially multiple ohmic load, multiple capacitive load, multiple inductive load reliable, switch with carrying out series-multiple connection economically, be the actual difficult problem used of puzzlement always.And the series-multiple connection of multiple ohmic load switches the power division relating to heater; The series-multiple connection switching of multiple capacitive load relates to stand-by power supply super capacitor etc.; The series-multiple connection of multiple inductive load switches the energy-conservation etc. of the electromagnet related to containing d-c solenoid; The series-multiple connection of multiple capacity cell switches and relates to the electric current of motor vehicle and the reasonable distribution of voltage and the charge and discharge maintenance for battery.And when load number is more than 2, required number of switches is too large, cost is high, and less reliable.
Summary of the invention
In order to solve the problems referred to above that prior art exists, the invention discloses a kind of direct-current load series-parallel connection switch circuit.Adopt technical scheme of the present invention, as long as load number is more than 2, no matter have how many loads, only need a high-end switch and a low-end switch, the series-multiple connection that just can control these loads switches.
In order to achieve the above object, the present invention takes following technical scheme: a kind of direct-current load series-parallel connection switch circuit, comprises N load (30), a N-1 high-pressure side isolating diode (410), a N-1 intermediate voltage terminal isolating diode (420), a N-1 low-pressure end isolating diode (430), a controlled high side switch (440), a controlled Low side switch (450); The negative pole of the negative pole of a high-pressure side isolating diode (410) with an intermediate voltage terminal isolating diode (420) is connected, then the positive pole of described intermediate voltage terminal isolating diode (420) is connected with the positive pole of a low-pressure end isolating diode (430) and forms branch road (460); For N load (30), need N-1 bar branch road (460) altogether; By described controllable high-voltage end switch (440) and power positive end sub-connection after the positive pole of N-1 high-pressure side isolating diode (410) in described N-1 bar branch road (460) is in parallel; Be connected with power cathode terminal by described controlled Low side switch (450) after the negative pole of N-1 low-pressure end isolating diode (430) in described N-1 bar branch road (460) is in parallel; One end of first load (30) is connected with the positive terminal of power supply, the positive pole of its other end with the intermediate voltage terminal isolating diode (420) in Article 1 branch road (460) is connected; The negative pole of one end of second load (30) with the intermediate voltage terminal isolating diode (420) in Article 1 branch road (460) is connected, the positive pole of its other end with the intermediate voltage terminal isolating diode (420) in Article 2 branch road (460) is connected; The rest may be inferred, until one end of N-1 load (30) is connected with the negative pole of the intermediate voltage terminal isolating diode (420) in N-2 article of branch road (460), the positive pole of its other end with the intermediate voltage terminal isolating diode (420) in N-1 article of branch road (460) is connected; Thereafter, the negative pole of one end of N load (30) with the intermediate voltage terminal isolating diode (420) in N-1 article of branch road (460) is connected, its other end is connected with the negative terminal of power supply; Thus make a described N load (30) in connected mode, present the relation of being connected in series by described N-1 intermediate voltage terminal isolating diode (420).
Preferably, controllable high-voltage end switch (440) and/or controlled Low side switch (450) adopt contact switch or noncontacting switch.
Preferably, load (30) be selected from resistance, electric capacity, inductance, battery one or more.Because actual loading can not possess pure resistance or pure electric capacity or pure inductance characteristic simultaneously, described resistance, electric capacity, inductance are actual resistance, electric capacity, inductance, if inductance coil is exactly the series connection of pure inductance and pure resistance; When having selected polar capacitor or battery, connection should be observed series connection or parallel connection for the basic demand of polarity.
Adopt technical scheme of the present invention, as long as load number is more than 2, no matter there are how many loads, only need a controllable high-voltage end switch and a controlled Low side switch, the series-multiple connection that just can control these loads switches, thus decrease the quantity of switch significantly, reduce the cost of switch, improve the unfailing performance of circuit simultaneously.
Direct-current load series-parallel connection switch circuit of the present invention can be applied to the technical fields such as elevator electromagnetic brake.
Accompanying drawing explanation
Fig. 1 is direct-current load series-parallel connection switch circuit schematic diagram.
Fig. 2 is the connection branch road schematic diagram of three isolating diodes.
Fig. 3 is embodiment one N resistance serial and parallel switching circuit.
Fig. 4 is embodiment two N super capacitor serial and parallel switching circuit.
Fig. 5 is embodiment three N inductance coil serial and parallel switching circuit.
Fig. 6 is embodiment four N battery series-parallel connection commutation circuit.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of the present invention is described in detail.
As shown in Figure 1, 2, direct-current load series-parallel connection switch circuit 400 comprises N load 30, a N-1 high-pressure side isolating diode 410, a N-1 intermediate voltage terminal isolating diode 420, the controlled high side switch of a N-1 low-pressure end isolating diode 430,440, controlled Low side switch 450, and the annexation of each components and parts is as follows:
The first step, first the negative pole of the negative pole of a high-pressure side isolating diode 410 with an intermediate voltage terminal isolating diode 420 is connected, again the positive pole of intermediate voltage terminal isolating diode 420 be connected with the positive pole of a low-pressure end isolating diode 430 and form branch road 460, for N load 30, need N-1 bar branch road 460 altogether.
Second step, by controllable high-voltage end switch 440 and power positive end sub-connection after being in parallel the positive pole of N-1 high-pressure side isolating diode 410 in N-1 bar branch road 460; Be connected with power cathode terminal by controlled Low side switch 450 after the negative pole of N-1 low-pressure end isolating diode 430 in N-1 bar branch road 460 is in parallel.
3rd step, is connected one end of first load 30 with the positive terminal of power supply, is connected by the positive pole of its other end with the intermediate voltage terminal isolating diode 420 in Article 1 branch road 460; The negative pole of one end of second load 30 with the intermediate voltage terminal isolating diode 420 in Article 1 branch road 460 is connected, the positive pole of its other end with the intermediate voltage terminal isolating diode 420 in Article 2 branch road 460 is connected; The rest may be inferred connects load 30, until one end of N-1 load 30 is connected with the negative pole of the intermediate voltage terminal isolating diode 420 in N-2 article of branch road 460, is connected by the positive pole of its other end with the intermediate voltage terminal isolating diode 420 in N-1 article of branch road 460; Thereafter, the negative pole of one end of N load 30 with the intermediate voltage terminal isolating diode 420 in N-1 article of branch road 460 is connected, its other end is connected with the negative terminal of power supply; Thus make N load 30 in connected mode, present the relation of being connected in series by N-1 intermediate voltage terminal isolating diode 420.
Controllable high-voltage end switch 440, controlled Low side switch 450 can adopt contact switch or noncontacting switch.Combine with while controlled Low side switch 450 once control controllable high-voltage end switch 440 or be separated simultaneously, the series-multiple connection that just can realize for N load 30 switches.Under cost license prerequisite, contactless gate-controlled switch or time delay relay can be selected.
Load 30 can be resistance, electric capacity, inductance, also can be battery; Because actual loading can not possess pure resistance or pure electric capacity or pure inductance characteristic simultaneously, resistance, electric capacity, inductance are actual resistance, electric capacity, inductance, if inductance coil is exactly the series connection of pure inductance and pure resistance; When having selected polar capacitor or battery, connection should be observed series connection or parallel connection for the basic demand of polarity.
Embodiment one: as shown in Figure 3, load is resistance 32, and implement series-multiple connection to N resistance 32 and switch, this resistance 32 is electrothermal tubes, achieves the regulation and control of different capacity.
Embodiment two: as shown in Figure 4, load is electric capacity 34, implements series-multiple connection discharge and recharge switch N super capacitor 34, realizes the low-voltage and high-current electric discharge be connected in parallel and the high voltage low discharging current be connected in series.
Embodiment three: as shown in Figure 5, load is inductance 36, implements series-multiple connection switch N inductance 36; Actual use, inductance 36 can be inductance 36 solenoid in series with a resistor, realizes the switching between big current demand under being connected in parallel and the small area analysis demand under being connected in series.
Embodiment four: as shown in Figure 6, load is battery 38, and implement series-multiple connection to N battery 38 and switch, battery 38 can be the storage batterys such as solar cell; Switch by implementing series-multiple connection for N battery 38, realize the low-voltage, high-current electric discharge be connected in parallel and the high voltage-small current electric discharge be connected in series.
Obviously, implement connection in series-parallel discharge and recharge after not getting rid of the mixed connection between above different types of load to switch.
Those of ordinary skill in the art will be appreciated that, above embodiment is only used to the present invention is described, and not as limitation of the invention, as long as within the scope of the invention, all will drop on protection scope of the present invention to the change of above embodiment, modification.
Claims (3)
1. a direct-current load series-parallel connection switch circuit, is characterized in that comprising N load (30), a N-1 high-pressure side isolating diode (410), a N-1 intermediate voltage terminal isolating diode (420), a N-1 low-pressure end isolating diode (430), a controlled high side switch (440), a controlled Low side switch (450);
The negative pole of the negative pole of a high-pressure side isolating diode (410) with an intermediate voltage terminal isolating diode (420) is connected, then the positive pole of described intermediate voltage terminal isolating diode (420) is connected with the positive pole of a low-pressure end isolating diode (430) and forms branch road (460); For N load (30), need N-1 bar branch road (460) altogether;
By described controllable high-voltage end switch (440) and power positive end sub-connection after the positive pole of N-1 high-pressure side isolating diode (410) in described N-1 bar branch road (460) is in parallel; Be connected with power cathode terminal by described controlled Low side switch (450) after the negative pole of N-1 low-pressure end isolating diode (430) in described N-1 bar branch road (460) is in parallel;
One end of first load (30) is connected with the positive terminal of power supply, the positive pole of its other end with the intermediate voltage terminal isolating diode (420) in the Article 1 branch road in described N-1 bar branch road (460) is connected; The negative pole of one end of second load (30) with the intermediate voltage terminal isolating diode (420) in the Article 1 branch road in described N-1 bar branch road (460) is connected, the positive pole of its other end with the intermediate voltage terminal isolating diode (420) in the Article 2 branch road in described N-1 bar branch road (460) is connected; The rest may be inferred, until one end of N-1 load (30) is connected with the negative pole of the intermediate voltage terminal isolating diode (420) in N-2 article of branch road in described N-1 article branch road (460), the positive pole of its other end with the intermediate voltage terminal isolating diode (420) in N-1 article of branch road in described N-1 article branch road (460) is connected; Thereafter, the negative pole of one end of N load (30) with the intermediate voltage terminal isolating diode (420) in N-1 article of branch road in described N-1 article branch road (460) is connected, its other end is connected with the negative terminal of power supply.
2. direct-current load series-parallel connection switch circuit according to claim 1, is characterized in that, described controllable high-voltage end switch (440) and/or controlled Low side switch (450) adopt contact switch or noncontacting switch.
3. direct-current load series-parallel connection switch circuit according to claim 1 and 2, is characterized in that, described load (30) be selected from resistance, electric capacity, inductance, battery one or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310026217.5A CN103117543B (en) | 2012-12-31 | 2013-01-23 | Direct-current load series-parallel connection switch circuit |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210594027.9 | 2012-12-31 | ||
| CN201210594027 | 2012-12-31 | ||
| CN201310026217.5A CN103117543B (en) | 2012-12-31 | 2013-01-23 | Direct-current load series-parallel connection switch circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103117543A CN103117543A (en) | 2013-05-22 |
| CN103117543B true CN103117543B (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310026217.5A Active CN103117543B (en) | 2012-12-31 | 2013-01-23 | Direct-current load series-parallel connection switch circuit |
| CN 201320037069 Withdrawn - After Issue CN203151090U (en) | 2012-12-31 | 2013-01-23 | DC load series-parallel switching circuit |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320037069 Withdrawn - After Issue CN203151090U (en) | 2012-12-31 | 2013-01-23 | DC load series-parallel switching circuit |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117543B (en) * | 2012-12-31 | 2015-01-21 | 杭州沪宁电梯配件有限公司 | Direct-current load series-parallel connection switch circuit |
| CN108649664A (en) * | 2018-07-07 | 2018-10-12 | 深圳驿普乐氏科技有限公司 | A kind of DC power supply and series-parallel circuit |
| WO2020010729A1 (en) * | 2018-07-07 | 2020-01-16 | 深圳驿普乐氏科技有限公司 | Direct-current power supply and series and parallel circuit |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI241762B (en) * | 2001-09-03 | 2005-10-11 | Gpe Internat Ltd | An intelligent fast battery charger |
| CN2648678Y (en) * | 2003-07-16 | 2004-10-13 | 杨福義 | Series independent detection battery pile charger |
| CN102780253A (en) * | 2012-08-22 | 2012-11-14 | 西南大学 | Series-parallel connection conversion equalizing charge device |
| CN103117543B (en) * | 2012-12-31 | 2015-01-21 | 杭州沪宁电梯配件有限公司 | Direct-current load series-parallel connection switch circuit |
-
2013
- 2013-01-23 CN CN201310026217.5A patent/CN103117543B/en active Active
- 2013-01-23 CN CN 201320037069 patent/CN203151090U/en not_active Withdrawn - After Issue
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| CN103117543A (en) | 2013-05-22 |
| CN203151090U (en) | 2013-08-21 |
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Address after: 311121 Zhongtai Industrial Park, water tower village, Zhongtai Township, Yuhang District, Hangzhou, Zhejiang Patentee after: HANGZHOU HUNING ELEVATOR PARTS CO., LTD. Patentee after: Wuhan Pangu Damper Technology Co., Ltd. Address before: 311121 Zhongtai Industrial Park, water tower village, Zhongtai Township, Yuhang District, Hangzhou, Zhejiang Patentee before: Hangzhou Huning Elevator Fitting Co., Ltd. Patentee before: Wuhan Pangu Damper Technology Co., Ltd. |
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| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: Yuhang Thailand Street Tower Village in Hangzhou City, Zhejiang province 311121 Patentee after: HANGZHOU HUNING ELEVATOR PARTS CO., LTD. Patentee after: Wuhan Pangu Damper Technology Co., Ltd. Address before: 311121 Zhongtai Industrial Park, water tower village, Zhongtai Township, Yuhang District, Hangzhou, Zhejiang Patentee before: HANGZHOU HUNING ELEVATOR PARTS CO., LTD. Patentee before: Wuhan Pangu Damper Technology Co., Ltd. |