CN103762698A - Energy storage system and power vehicle - Google Patents
Energy storage system and power vehicle Download PDFInfo
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- CN103762698A CN103762698A CN201410053117.6A CN201410053117A CN103762698A CN 103762698 A CN103762698 A CN 103762698A CN 201410053117 A CN201410053117 A CN 201410053117A CN 103762698 A CN103762698 A CN 103762698A
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Abstract
The invention discloses an energy storage system. A soft starting circuit of the energy storage system is controlled by a control system to be switched off, so that a current passage is achieved between a battery pack of the energy storage system and an inversion device, and electricity of the battery pack is stored and released through the inversion device and the soft starting circuit. Compared with a power vehicle generating electricity through diesel oil in the prior art, the power vehicle achieving outward discharging through the energy storage system has the advantages that diesel oil does not need to be purchased, cost is low, and meanwhile as an electric generator does not need to work, noise is small and the environmental protection property is good.
Description
Technical field
The present invention relates to electromechanical integration technology area, relate in particular to a kind of energy-storage system and supply vehicle.
Background technology
At present, supply vehicle both domestic and external is mainly used diesel generation, using diesel engine as generator, has following shortcomings: the cost noise high and that generating produces of buying diesel oil is large, and the feature of environmental protection is poor simultaneously.
Summary of the invention
In view of this, the invention provides a kind of energy-storage system and supply vehicle, to solve the problem that prior art cost is high, noise is large and the feature of environmental protection is poor.
To achieve these goals, the existing scheme proposing is as follows:
A kind of energy-storage system, is applied to supply vehicle, is connected respectively with inverter and control system in described supply vehicle; Described energy-storage system comprises:
At least one battery pack;
The soft starting circuit being connected with described battery pack, inverter and control system respectively.
Preferably, the number of described battery pack is two.
Preferably, described each battery pack comprises: the multiple batteries of series connection mutually;
Described soft starting circuit comprises:
Be connected in the discharge loop between described two battery pack;
The first contactor that one end is connected with described discharge loop one end;
The second contactor that one end is connected with the described discharge loop other end;
Be connected in the first circuit breaker between the described first contactor other end and described inverter;
Be connected in the second circuit breaker between the described second contactor other end and described inverter.
Preferably, described discharge loop comprises: the 3rd contactor and the resistance being connected in series.
Preferably, described energy-storage system also comprises: the battery management system being connected with every batteries and control system respectively.
Preferably, described each battery pack comprises: M battery strings, and each battery strings comprises the battery of N joint series connection; Wherein, M and N are the positive integer that is greater than 1;
Described soft starting circuit comprises:
Be connected to described battery strings (M-1) individual parallel circuits between any two;
Be connected in the discharge loop between described two battery pack;
The first contactor that one end is connected with described discharge loop one end;
The second contactor that one end is connected with the described discharge loop other end;
Be connected in the first circuit breaker between the described first contactor other end and described inverter;
Be connected in the second circuit breaker between the described second contactor other end and described inverter.
Preferably, described each parallel circuits comprises:
Be connected in the 3rd contactor between two described battery strings;
The 4th contactor that one end is connected with described the 3rd contactor one end;
The resistance that one end is connected with described the 4th contactor other end; The other end of described resistance is connected with the other end of described the 3rd contactor.
Preferably, described discharge loop comprises: the 5th contactor and the resistance being connected in series.
Preferably, the battery in described battery pack is the superseded electrokinetic cell of electric automobile.
A kind of supply vehicle, comprising:
Control system;
The energy-storage system being connected with described control system, for according to the control of described control system, stores or release electric energy;
The inverter being connected with described control system and energy-storage system respectively, be used for according to the control of described control system, after the direct current of described energy-storage system output is converted to alternating current, export, or export described energy-storage system to the alternating current receiving from the external world is converted to DC circuit;
Wherein, described energy-storage system is above-mentioned arbitrary described energy-storage system.
From above-mentioned technical scheme, can find out, energy-storage system disclosed by the invention, by the soft starting circuit closure of energy-storage system described in control system control, make to realize current path between the battery pack of described energy-storage system and inverter, and then be achieved storage and the release to described battery pack electric energy through described inverter and soft starting circuit; Make to adopt the externally supply vehicle of electric discharge of described energy-storage system, compared with the prior art use supply vehicle of diesel generation, without buying diesel oil, so cost is low; Meanwhile, without generator work, so noise is little, and the feature of environmental protection is good.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the disclosed supply vehicle charge-discharge circuit of embodiment of the present invention schematic diagram;
Fig. 2 is the disclosed supply vehicle charge-discharge circuit of another embodiment of the present invention schematic diagram;
Fig. 3 is the disclosed supply vehicle charge-discharge circuit of another embodiment of the present invention schematic diagram;
Fig. 4 is the disclosed supply vehicle charge-discharge circuit of another embodiment of the present invention schematic diagram;
Fig. 5 is the disclosed supply vehicle charge-discharge circuit of another embodiment of the present invention schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The invention provides a kind of energy-storage system, be applied to supply vehicle, to solve the problem that prior art cost is high, noise is large and the feature of environmental protection is poor.
Concrete, as shown in Figure 1, energy-storage system 101 is connected with inverter 102 and control system 103 in described supply vehicle respectively; Energy-storage system 101 comprises:
At least one battery pack 201;
The soft starting circuit 202 being connected with battery pack 201, inverter 102 and control system 103 respectively.
Concrete operation principle is:
The disclosed energy-storage system 101 of the present embodiment, provides said process to realize storage and the release to battery pack 201 electric energy; Make to adopt the externally supply vehicle of electric discharge of energy-storage system 101, compared with the prior art use supply vehicle of diesel generation, without buying diesel oil, so cost is low; Meanwhile, without generator work, so noise is little, and the feature of environmental protection is good.
Preferably, as shown in Figure 2, the number of battery pack 201 is two.
What deserves to be explained is, in concrete actual production, the number of battery pack 201 might not be defined as two, can require to determine according to concrete actual production; Only take two as example, describe herein.
Another embodiment of the present invention also provides another energy-storage system, concrete, and as shown in Figure 1, energy-storage system 101 is connected with inverter 102 and control system 103 in described supply vehicle respectively; Energy-storage system 101 comprises:
Two battery pack 201;
The soft starting circuit 202 being connected with two battery pack 201, inverter 102 and control system 103 respectively.
Wherein, as shown in Figure 3, each battery pack 201 comprises: the multiple batteries of series connection mutually.
Be connected in two discharge loops 203 between battery pack 201;
The first contactor K1 that one end is connected with discharge loop 203 one end;
The second contactor K2 that one end is connected with discharge loop 203 other ends;
Be connected in the first circuit breaker DK1 between the first contactor K1 other end and inverter 102;
Be connected in the second circuit breaker DK2 between the second contactor K2 other end and inverter 102.
Preferably, discharge loop 203 comprises: the 3rd contactor K3 and the resistance being connected in series.
Concrete operation principle is:
Remaining feature and concrete operation principle are same as the previously described embodiments in the present embodiment, repeat no more herein
Another embodiment of the present invention also provides another energy-storage system, concrete, and as shown in Figure 1, energy-storage system 101 is connected with inverter 102 and control system 103 in described supply vehicle respectively; Energy-storage system 101 comprises:
Two battery pack 201;
The soft starting circuit 202 being connected with two battery pack 201, inverter 102 and control system 103 respectively;
The battery management system being connected with every batteries and control system respectively.
Wherein, as shown in Figure 4, each battery pack 201 comprises: M battery strings, and each battery strings comprises the battery of N joint series connection; Wherein, M and N are the positive integer that is greater than 1.
Be connected to the individual parallel circuits 204 of described battery strings (M-1) between any two;
Be connected in two discharge loops 205 between battery pack 201;
The first contactor K1 that one end is connected with discharge loop 205 one end;
The second contactor K2 that one end is connected with discharge loop 205 other ends;
Be connected in the first circuit breaker DK1 between the first contactor K1 other end and inverter 102;
Be connected in the second circuit breaker DK2 between the second contactor K2 other end and inverter 102.
Preferably, each parallel circuits 204 comprises:
Be connected in the 3rd contactor K3 between two described battery strings;
The 4th contactor K4 that one end is connected with the 3rd contactor K3 one end;
The resistance that one end is connected with the 4th contactor K4 other end; The other end of described resistance is connected with the other end of the 3rd contactor K3.
Concrete operation principle is:
Remaining feature and concrete operation principle are same as the previously described embodiments in the present embodiment, repeat no more herein
Preferably, the battery in described battery pack is the superseded electrokinetic cell of electric automobile.
In the use procedure of electric automobile, if the charge capacity of its electrokinetic cell cannot reach 80% of former capacity, be just no longer suitable for continuing to use on described electric automobile, if but directly scrap and recycle, fail to realize and make the best use of everything, have wasting of resources phenomenon.When from described electric automobile, the application on described electric automobile of retired electrokinetic cell can not meet power and energy requirement or while not re-using, at electrokinetic cell well-tended appearance, there is no breakage, each function element (as relay, management system, heat radiation and heater etc.) effectively in situation, can carry out secondary utilization, can be at other products, as continued its effect of performance on supply vehicle.
For the described electrokinetic cell of the supply vehicle of Mobile energy storage, when its charge capacity cannot reach existing capacity 20% time, can scrap processing, now described electrokinetic cell is about 1000 times for the cycle life of energy storage.Meanwhile, the energy storage discharge capacity of supposing electrokinetic cell is linear decline, and when its charge capacity is existing capacity 20% time, electrokinetic cell energy storage discharge capacity is zero.
With M=4, N=8 is that example describes, and battery amounts to 8 × 4 × 2=64 joint, from above-mentioned data, and electrokinetic cell (64 × 4.8 × (80%-20%) × the 1000/2)=92160kWh that can discharge altogether from 80% charge capacity to 20% charge capacity process.Utilities Electric Co.'s rate for incorporation into the power network is 0.46 yuan/kWh at present, and in the situation that not considering electrokinetic cell efficiency for charge-discharge, charging 92160kWh need to pay ten thousand yuan of 92160 × 0.46=4.24 to Utilities Electric Co..
According to related data, the price of current No. 0 diesel oil is generally 7.55 yuan/L, and the every generating of ordinary diesel oil unit supply vehicle 1kWh approximately consumes diesel oil 200g, about 0.24L diesel oil (0.832kg/L).Therefore, ordinary diesel oil unit supply vehicle generating 92160 degree need to consume diesel oil 22118.4L, approximately need 16.70 ten thousand yuan (22118.4 × 7.55/10000) to buy diesel oil.
In sum, adopt the battery of the superseded electrokinetic cell of electric automobile as battery pack in described energy-storage system, than the technology with diesel generation in prior art, by 12.46 ten thousand yuan of fuel saving expenses, there is considerable economic benefit.
Remaining feature and concrete operation principle are same as the previously described embodiments in the present embodiment, repeat no more herein
Another embodiment of the present invention also provides a kind of supply vehicle, as shown in Figure 5, comprises
The energy-storage system 101 being connected with control system 103;
The inverter 102 being connected with energy-storage system 101 and control system 103 respectively.
Concrete operation principle is:
The disclosed supply vehicle of the present embodiment is without buying diesel oil, lower with the cost of diesel generation than prior art; Simultaneously due to without generator work, thus less than prior art noise, and the feature of environmental protection is good.
Energy-storage system 101 herein can be any one in above-described embodiment, and connected mode and operation principle that it is concrete are same as the previously described embodiments, repeat no more herein.
Remaining feature and concrete operation principle are same as the previously described embodiments in the present embodiment, repeat no more herein.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. an energy-storage system, is characterized in that, is applied to supply vehicle, is connected respectively with inverter and control system in described supply vehicle; Described energy-storage system comprises:
At least one battery pack;
The soft starting circuit being connected with described battery pack, inverter and control system respectively.
2. energy-storage system according to claim 1, is characterized in that, the number of described battery pack is two.
3. energy-storage system according to claim 2, is characterized in that, described each battery pack comprises: the multiple batteries of series connection mutually;
Described soft starting circuit comprises:
Be connected in the discharge loop between described two battery pack;
The first contactor that one end is connected with described discharge loop one end;
The second contactor that one end is connected with the described discharge loop other end;
Be connected in the first circuit breaker between the described first contactor other end and described inverter;
Be connected in the second circuit breaker between the described second contactor other end and described inverter.
4. energy-storage system according to claim 3, is characterized in that, described discharge loop comprises: the 3rd contactor and the resistance being connected in series.
5. energy-storage system according to claim 2, is characterized in that, described energy-storage system also comprises: the battery management system being connected with every batteries and control system respectively.
6. energy-storage system according to claim 5, is characterized in that, described each battery pack comprises: M battery strings, and each battery strings comprises the battery of N joint series connection; Wherein, M and N are the positive integer that is greater than 1;
Described soft starting circuit comprises:
Be connected to described battery strings (M-1) individual parallel circuits between any two;
Be connected in the discharge loop between described two battery pack;
The first contactor that one end is connected with described discharge loop one end;
The second contactor that one end is connected with the described discharge loop other end;
Be connected in the first circuit breaker between the described first contactor other end and described inverter;
Be connected in the second circuit breaker between the described second contactor other end and described inverter.
7. energy-storage system according to claim 6, is characterized in that, described each parallel circuits comprises:
Be connected in the 3rd contactor between two described battery strings;
The 4th contactor that one end is connected with described the 3rd contactor one end;
The resistance that one end is connected with described the 4th contactor other end; The other end of described resistance is connected with the other end of described the 3rd contactor.
8. energy-storage system according to claim 6, is characterized in that, described discharge loop comprises: the 5th contactor and the resistance being connected in series.
9. energy-storage system according to claim 1, is characterized in that, the battery in described battery pack is the superseded electrokinetic cell of electric automobile.
10. a supply vehicle, is characterized in that, comprising:
Control system;
The energy-storage system being connected with described control system, for according to the control of described control system, stores or release electric energy;
The inverter being connected with described control system and energy-storage system respectively, be used for according to the control of described control system, after the direct current of described energy-storage system output is converted to alternating current, export, or export described energy-storage system to the alternating current receiving from the external world is converted to DC circuit;
Wherein, described energy-storage system is the arbitrary described energy-storage system of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410053117.6A CN103762698B (en) | 2014-02-17 | 2014-02-17 | A kind of energy-storage system and supply vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410053117.6A CN103762698B (en) | 2014-02-17 | 2014-02-17 | A kind of energy-storage system and supply vehicle |
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| CN103762698A true CN103762698A (en) | 2014-04-30 |
| CN103762698B CN103762698B (en) | 2016-04-20 |
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Citations (4)
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| CN201405751Y (en) * | 2009-05-20 | 2010-02-17 | 杨家园 | Multi-functional movable environment-friendly power van |
| CN102420451A (en) * | 2011-12-14 | 2012-04-18 | 北京普莱德新能源电池科技有限公司 | Mobile energy system |
| CN203014422U (en) * | 2012-12-04 | 2013-06-19 | 江苏交科能源科技发展有限公司 | Crane slewing emergency brake battery control device |
| CN203734345U (en) * | 2014-02-17 | 2014-07-23 | 国家电网公司 | Energy storage system and power vehicle |
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2014
- 2014-02-17 CN CN201410053117.6A patent/CN103762698B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201405751Y (en) * | 2009-05-20 | 2010-02-17 | 杨家园 | Multi-functional movable environment-friendly power van |
| CN102420451A (en) * | 2011-12-14 | 2012-04-18 | 北京普莱德新能源电池科技有限公司 | Mobile energy system |
| CN203014422U (en) * | 2012-12-04 | 2013-06-19 | 江苏交科能源科技发展有限公司 | Crane slewing emergency brake battery control device |
| CN203734345U (en) * | 2014-02-17 | 2014-07-23 | 国家电网公司 | Energy storage system and power vehicle |
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| CN103762698B (en) | 2016-04-20 |
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