CN102664396A - Connecting circuit for energy storage super capacitor bank in intelligent maintenance-free direct current power system - Google Patents
Connecting circuit for energy storage super capacitor bank in intelligent maintenance-free direct current power system Download PDFInfo
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- CN102664396A CN102664396A CN201210156847XA CN201210156847A CN102664396A CN 102664396 A CN102664396 A CN 102664396A CN 201210156847X A CN201210156847X A CN 201210156847XA CN 201210156847 A CN201210156847 A CN 201210156847A CN 102664396 A CN102664396 A CN 102664396A
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Abstract
The invention discloses a connecting circuit for an energy storage super capacitor bank in an intelligent maintenance-free direct current power system. The connecting circuit comprises an alternating current/direct current (AC/DC) constant current voltage limiting charger, a DC/DC direct current converter, a running energy storage super capacitor bank C and a connected energy storage capacitor bank GC, which are connected in parallel. The connecting circuit also comprises two groups of diodes, wherein each group of diodes consists of two diodes which are connected in series; nodes between first and second diodes in the two groups of diodes are connected with the anode of the running energy storage super capacitor bank C and the anode of the connected energy storage super capacitor bank GC in parallel; the anodes of the first diodes in the two groups of diodes are connected to the anode A of the AC/DC constant current voltage limiting charger; and the cathodes of the second diodes in the two groups of diodes are connected to the input end anode P of the DC/DC direct current converter. The connecting circuit has the advantages that the connected energy storage super capacitor bank with voltage inconsistent with that of the running energy storage super capacitor bank in the direct current power system can be directly connected to the circuit to realize uninterruptible direct current power supply.
Description
Technical field
What the present invention relates to is the connecting circuit of energy storage super capacitor group in the DC power system, particularly be the connecting circuit of energy storage super capacitor group in the intelligent non-maintaining DC power system.
Background technology
DC power system is applicable to electricity consumption places such as distribution switchyard, power distribution station, box-type substation, and the energy storage super capacitor group in this DC power system is that the breaking-closing operating and the devices such as distribution terminal, communication of motor provide DC power supply.
Fig. 1 is an energy storage super capacitor group structural representation in the prior art DC power system; Fig. 2 is the connecting circuit block diagram of energy storage super capacitor group in the prior art DC power system.
As shown in Figure 2, the connecting circuit of energy storage super capacitor group comprises in the DC power system: AD/DC constant current pressure limiting charger 1, DC/DC direct current transducer 2, the energy storage super capacitor C of operation, the energy storage super capacitor GC that incorporates into; The energy storage super capacitor C of said operation and the energy storage super capacitor GC that incorporates into parallel connection; The two ends of the energy storage super capacitor C of said operation are connected between the positive pole and negative pole of AD/DC constant current pressure limiting charger 1 output, and AD/DC constant current pressure limiting charger 1 input connects AC power through K switch; The two ends of the said energy storage super capacitor GC that incorporates into are connected between the positive pole and negative pole of DC/DC direct current transducer 2 inputs, and DC/DC direct current transducer 2 outputs connect load 3.
The operation principle of above-mentioned prior art energy storage super capacitor group:
1). connect K switch, AC power 220V voltage is through AD/DC constant current pressure limiting charger 1 output direct current 48V voltage, to the energy storage super capacitor group C of operation charging; The DC/DC direct current transducer 2 of flowing through is simultaneously exported 48V direct voltages, supply load 3.
2). when AC dump, or cut-off switch K, AD/DC constant current pressure limiting charger 1 no-output, the 48V voltage source that is full of on the energy storage super capacitor group C of operation gives load 3 power supplies through DC/DC direct current transducer 2 direct currents output 48V direct voltage.
3). when incorporating energy storage super capacitor group GC into; The energy storage super capacitor group C of operation is the 48V voltage that is full of electricity, is (voltage is at 0V-5V) of having put electricity and incorporate energy storage super capacitor group GC into, and the 48V voltage of the energy storage super capacitor group C of operation is to incorporating energy storage super capacitor group GC low-voltage (voltage is at 0V-5V) discharge into like this; Big electric current appears; Damage terminal, connecting line, capacitance component.
The energy storage super capacitor group C that moves in the prior art DC power system is full of 48V voltage.The energy storage super capacitor GC that incorporates into has been put electricity, and promptly voltage generally transports and storage safe at 0V-5V like this.Above-mentioned prior art needs to change when perhaps increasing the energy storage super capacitor GC that incorporates in circuit, has following defective:
1. will be full of high-tension super capacitor group and directly incorporate the low-voltage super capacitor group of having put electricity into, the energy storage super capacitor group that high voltage 48V can occur is discharged to low-voltage (0V-5V) energy storage super capacitor group.Because energy storage super capacitor group internal resistance value is minimum, this discharging current possibly reach hundreds of amperes.This situation can cause binding post, connecting line sharply to generate heat and burn, even damages the energy storage super capacitor group of operation.
2. if to the energy storage super capacitor group charging of low-voltage, perhaps to high-tension energy storage super capacitor group discharge, needing increases special-purpose charging/discharging apparatus, so not only increases cost but also has prolonged interruption duration before changing.
3. direct current has a power failure and just can carry out the increase or the replacing of energy storage super capacitor group, can't realize uninterrupted power supply.
4. detect and the maintenance inconvenience.The energy storage super capacitor group C of prior art operation and the energy storage super capacitor group GC that incorporates into are directly parallel in together, so the voltage at the energy storage super capacitor group C two ends of operation is identical with the voltage at the energy storage super capacitor group GC two ends of incorporating into.In fault, can't judge which goes wrong from voltage.
In sum, prior art can not chargedly be incorporated energy storage super capacitor group into, and needing increases under power down mode or change, and influences the normal operation of equipment.Therefore prior art increase, replacing, detection and maintenance energy storage super capacitor group were both inconvenient, dangerous again.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned prior art; Provide a kind of at DC power system not under the power-off condition; The energy storage super capacitor of in circuit, directly incorporating different voltages into is guaranteed the connecting circuit of energy storage super capacitor group in the safe intelligent non-maintaining DC power system.
The technical scheme that solves the problems of the technologies described above: the connecting circuit of energy storage super capacitor group in the non-maintaining DC power system of a kind of intelligence, said connecting circuit comprises: the energy storage super capacitor C of the AD/DC constant current pressure limiting charger that is connected with AC power, the DC/DC direct current transducer that is connected with load, operation, the energy storage super capacitor GC that incorporates into; The energy storage super capacitor C of said operation and the energy storage super capacitor GC that incorporates into parallel connection also comprise two groups of diodes, and every group of diode is made up of two diodes that are connected in series respectively; Node between first diode in two groups of diodes and second diode is connected to positive pole and the positive pole of the energy storage super capacitor GC that incorporates into of the energy storage super capacitor C of operation; The positive pole of first diode in said two groups of diodes all connects the anodal A of AD/DC constant current pressure limiting charger; The negative pole of second diode in said two groups of diodes all connects on the input anode P of DC/DC direct current transducer; The negative pole of the energy storage super capacitor C of said operation and the negative pole of the energy storage super capacitor GC that incorporates into all are connected the negative pole of AD/DC constant current pressure limiting charger and DC/DC direct current transducer.
The invention has the beneficial effects as follows: the present invention has simplified the working procedure of increase, replacing, detection energy storage super capacitor group, saves time, and avoids causing greatly because of charging and discharging currents the danger of various accidents, has realized continual direct current supply.Just can directly incorporate in the circuit under the inconsistent situation of moving in energy storage super capacitor group of incorporating into and the DC power system of energy storage super capacitor group voltage; The situation of terminal and connecting line can not take place to burn out because of charging current is excessive; Do not need charging/discharging apparatus in advance; Reduce cost, improved the reliability that intelligent non-maintaining power supply is connected with energy storage super capacitor group.
Description of drawings:
Fig. 1 is an energy storage super capacitor group structural representation in the prior art DC power system;
Fig. 2 is the connecting circuit block diagram of energy storage super capacitor group in the prior art DC power system;
Fig. 3 is a connecting circuit block diagram of the present invention;
Fig. 4 is an energy storage super capacitor group connecting circuit sketch map in the displayed map 3.
" sequence number explanation in the accompanying drawing "
1:AD/DC constant current pressure limiting charger; The 2:DC/DC direct current transducer; 3: load; C: the energy storage super capacitor of operation; GC: the energy storage super capacitor of incorporating into; D2: first group of first diode; D2: first group of second diode; GD1: second group of first diode; GD2: second group of second diode; E1: first node; E2: second node; A: positive pole; B: negative pole; P: input anode; C1, C2, Cn: super capacitor; K: switch.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the invention is further detailed.
The present invention provides the connecting circuit of energy storage super capacitor group in the non-maintaining DC power system of a kind of intelligence, and said connecting circuit comprises: the AD/DC constant current pressure limiting charger 1 that is connected with AC power, the DC/DC direct current transducer 2 that is connected with load 3, the energy storage super capacitor C of operation, the energy storage super capacitor GC that incorporates into; The energy storage super capacitor C of said operation and the energy storage super capacitor GC that incorporates into parallel connection.
The present invention also comprises two groups of diodes, and every group of diode is made up of two diodes that are connected in series respectively; Node between first diode in two groups of diodes and second diode is connected to positive pole and the positive pole of the energy storage super capacitor GC that incorporates into of the energy storage super capacitor C of operation; The positive pole of first diode in said two groups of diodes all connects the anodal A of AD/DC constant current pressure limiting charger 1; The negative pole of second diode in said two groups of diodes all connects on the input anode P of DC/DC direct current transducer 2; The negative pole of the negative pole of the energy storage super capacitor C of said operation and the energy storage super capacitor GC that incorporates into all is connected the negative pole of AD/DC constant current pressure limiting charger 1 and DC/DC direct current transducer 2.
Two series diodes of first group in said two groups of diodes are: first group of first diode D1 and first group of second diode D2; First node E1 between first group of first diode D1 and first group of second diode D2 connects the positive pole of the energy storage super capacitor C of operation; Second group of two series diode in said two groups of diodes are: second group of first diode GD1 and second group of second diode GD2; Second node E2 between second group of first diode GD1 and second group of second diode GD2 connects the positive pole of the energy storage super capacitor GC that incorporates into.
Said first group of first diode D1, first group of second diode D2, second group of first diode GD1 are identical with the technical parameter of second group of second diode GD2.
The energy storage super capacitor C of said operation is connected in series by several super capacitors respectively with the energy storage super capacitor GC that incorporates into and forms.As shown in Figure 1, super capacitor C1, super capacitor C2 ... Super capacitor Cn is connected in series successively and forms the energy storage super capacitor C of operation and the energy storage super capacitor GC that incorporates into.
Like Fig. 2, shown in Figure 3, be connected K switch between the input L of said 220V AC power and AD/DC constant current pressure limiting charger 1, the N.
More particularly, as shown in Figure 3, AD/DC constant current pressure limiting charger 1 input L, N connect the 220V AC power, and AD/DC constant current pressure limiting charger 1 output is anodal A, the negative pole B of DC power supply; DC/DC direct current transducer 2 connects load 3 as the output of DC power supply.
The energy storage super capacitor C of parallel running and the energy storage super capacitor GC that incorporates between AD/DC constant current pressure limiting charger 1 and DC/DC direct current transducer 2; The positive pole of energy storage super capacitor C of operation is connected first node E1 between first group of first diode D1 being connected in series and first group of second diode D2; The positive pole of the energy storage super capacitor GC that incorporates into is connected second node E2 between second group of first diode GD1 being connected in series and second group of second diode GD2, and the energy storage super capacitor C of operation and charging and the discharge loop of the energy storage super capacitor GC that incorporates into are separated.When the energy storage super capacitor group C of operation charged with the energy storage super capacitor GC that incorporates into, first group of first diode D1 and second group of first diode GD1 conducting were respectively to the energy storage super capacitor group C of operation and the energy storage super capacitor GC electric capacity charging of incorporating into; During discharge, the energy storage super capacitor group C of operation exports through first group of second diode D2 and second group of second diode GD2 respectively with the energy storage super capacitor GC voltage of incorporating into.The P point is the input anode of DC/DC direct current transducer among Fig. 3, is again the energy storage super capacitor group C of operation and the discharge end of the energy storage super capacitor GC that incorporates into, can separately charge and discharge circuit, also is convenient to detect and maintenance.
The present invention detects and keeps in repair very convenient; Every group of diode of the present invention is made up of two diodes that are connected in series respectively; The energy storage super capacitor group C of operation and the voltage of the energy storage super capacitor group GC that incorporates into when breaking down because the isolation of first group of second diode D2 and second group of second diode GD2; Can not back discharge; The energy storage super capacitor group C of operation and the voltage of the energy storage super capacitor group GC that incorporates into are different, so just can judge that which energy storage super capacitor group breaks down through measuring voltage.
The present invention addresses the deficiencies of the prior art; As shown in Figure 3; As cut-off switch K; AC/DC constant current pressure limiting charger 1 no-output, it is 48V that the energy storage super capacitor group C of operation goes up voltage, electric current gives load 3 power supplies through E1 o'clock to first group second diode D2 to DC/DC direct current transducer 2 output 48V voltages.Guaranteed direct current 48V uninterrupted power supply.At this moment when the energy storage super capacitor group GC that incorporates into, the 48V voltage on the energy storage super capacitor group C of operation, electric current is isolated by first group of first diode D1 can't be to the energy storage super capacitor group GC discharge of incorporating into; The electric current of the energy storage super capacitor group C of operation is isolated also and can't be discharged to the energy storage super capacitor group GC that incorporates into by second group of second diode GD2 through first group of second diode D2 simultaneously.Like this, solve heavy-current discharge and damaged device.The present invention has realized replacing energy storage super capacitor group, does not need to have a power failure, and has realized the uninterrupted power supply of energy storage super capacitor group to load.Also need not to discharge and recharge in advance energy storage super capacitor group, need not to increase special-purpose charging/discharging apparatus.Reduce cost, practiced thrift the time, improved economic benefit, guaranteed safety.
Claims (5)
1. the connecting circuit of energy storage super capacitor group in the non-maintaining DC power system of intelligence, said connecting circuit comprises: the AD/DC constant current pressure limiting charger (1) that is connected with AC power, the DC/DC direct current transducer (2) that is connected with load (3), the energy storage super capacitor C of operation, the energy storage super capacitor GC that incorporates into; The energy storage super capacitor C of said operation and the energy storage super capacitor GC that incorporates into parallel connection is characterized in that also comprise two groups of diodes, every group of diode is made up of two diodes that are connected in series respectively; Node between first diode in two groups of diodes and second diode is connected to positive pole and the positive pole of the energy storage super capacitor GC that incorporates into of the energy storage super capacitor C of operation; The positive pole of first diode in said two groups of diodes all connects the anodal A of AD/DC constant current pressure limiting charger (1); The negative pole of second diode in said two groups of diodes all connects on the input anode P of DC/DC direct current transducer (2); The negative pole of the energy storage super capacitor C of said operation and the negative pole of the energy storage super capacitor GC that incorporates into all are connected the negative pole of AD/DC constant current pressure limiting charger (1) and DC/DC direct current transducer (2).
2. according to the connecting circuit of energy storage super capacitor group in the intelligent non-maintaining DC power system described in the claim 1; It is characterized in that two series diodes of first group in said two groups of diodes are: first group of first diode D1 and first group of second diode D2; First node E1 between first group of first diode D1 and first group of second diode D2 connects the positive pole of the energy storage super capacitor C of operation; Second group of two series diode in said two groups of diodes are: second group of first diode GD1 and second group of second diode GD2; Second node E2 between second group of first diode GD1 and second group of second diode GD2 connects the positive pole of the energy storage super capacitor GC that incorporates into.
3. according to the connecting circuit of energy storage super capacitor group in the intelligent non-maintaining DC power system described in the claim 1; It is characterized in that said first group of first diode D1, first group of second diode D2, second group of first diode GD1 are identical with the technical parameter of second group of second diode GD2.
4. according to the connecting circuit of energy storage super capacitor group in the intelligent non-maintaining DC power system described in the claim 1; It is characterized in that the energy storage super capacitor C of said operation is connected in series by several super capacitors respectively with the energy storage super capacitor GC that incorporates into and forms.
5. according to the connecting circuit of energy storage super capacitor group in the intelligent non-maintaining DC power system described in the claim 1, it is characterized in that, be connected switch (K) between the input of said AC power and AD/DC constant current pressure limiting charger (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210156847XA CN102664396A (en) | 2012-05-21 | 2012-05-21 | Connecting circuit for energy storage super capacitor bank in intelligent maintenance-free direct current power system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210156847XA CN102664396A (en) | 2012-05-21 | 2012-05-21 | Connecting circuit for energy storage super capacitor bank in intelligent maintenance-free direct current power system |
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| CN102664396A true CN102664396A (en) | 2012-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210156847XA Pending CN102664396A (en) | 2012-05-21 | 2012-05-21 | Connecting circuit for energy storage super capacitor bank in intelligent maintenance-free direct current power system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102968170A (en) * | 2012-11-28 | 2013-03-13 | 华南理工大学 | Intelligent self-protection power supply for computer |
| CN107132418A (en) * | 2017-06-16 | 2017-09-05 | 珠海伊托科技有限公司 | The resistance detecting circuit of overflow protecting element |
| CN107843807A (en) * | 2016-09-20 | 2018-03-27 | 丰郅(上海)新能源科技有限公司 | A kind of moment in Voltage Drop can turn off the monitoring system of power network in time |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2798408Y (en) * | 2005-04-27 | 2006-07-19 | 保定华北电力设备器材厂 | DC electric source apparatus for super capacitor |
| JP2010263773A (en) * | 2009-04-08 | 2010-11-18 | Panasonic Corp | Power supply circuit |
| CN202651784U (en) * | 2012-05-21 | 2013-01-02 | 天津市三源电力设备制造有限公司 | Connecting circuit for energy-storage super capacitor bank in intelligent maintenance-free direct-current power supply system |
-
2012
- 2012-05-21 CN CN201210156847XA patent/CN102664396A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2798408Y (en) * | 2005-04-27 | 2006-07-19 | 保定华北电力设备器材厂 | DC electric source apparatus for super capacitor |
| JP2010263773A (en) * | 2009-04-08 | 2010-11-18 | Panasonic Corp | Power supply circuit |
| CN202651784U (en) * | 2012-05-21 | 2013-01-02 | 天津市三源电力设备制造有限公司 | Connecting circuit for energy-storage super capacitor bank in intelligent maintenance-free direct-current power supply system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102968170A (en) * | 2012-11-28 | 2013-03-13 | 华南理工大学 | Intelligent self-protection power supply for computer |
| CN107843807A (en) * | 2016-09-20 | 2018-03-27 | 丰郅(上海)新能源科技有限公司 | A kind of moment in Voltage Drop can turn off the monitoring system of power network in time |
| CN107132418A (en) * | 2017-06-16 | 2017-09-05 | 珠海伊托科技有限公司 | The resistance detecting circuit of overflow protecting element |
| CN107132418B (en) * | 2017-06-16 | 2024-04-09 | 珠海伊托科技有限公司 | Resistance detection system of overcurrent protection element |
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Application publication date: 20120912 |