CN203734345U - Energy storage system and power vehicle - Google Patents
Energy storage system and power vehicle Download PDFInfo
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- CN203734345U CN203734345U CN201420067223.5U CN201420067223U CN203734345U CN 203734345 U CN203734345 U CN 203734345U CN 201420067223 U CN201420067223 U CN 201420067223U CN 203734345 U CN203734345 U CN 203734345U
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- 238000004146 energy storage Methods 0.000 title claims abstract description 67
- 239000002283 diesel fuel Substances 0.000 abstract description 13
- 230000007613 environmental effect Effects 0.000 abstract description 7
- 238000010248 power generation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- Electric Propulsion And Braking For Vehicles (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses an energy storage system. A control system is used for controlling closing of a soft start circuit of the energy storage system, such that a current path between the battery pack of the energy storage system and an inverter device can be realized, and storage and release of electrical energy of the battery pack can be realized via the inverter device and the soft start circuit. Compared with the power vehicle using diesel oil for power generation in the prior art, the power vehicle adopting the energy storage system for outward charging has the advantages that diesel oil does not need to be purchased, and the cost is low; and as no engine needs to work, noise is small and environmental protection performances are good.
Description
Technical field
The utility model relates to electromechanical integration technology area, relates in particular to a kind of energy-storage system and supply vehicle.
Background technology
At present, supply vehicle both domestic and external mainly uses 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.
Utility model content
In view of this, the utility model 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;
According to the control of described control system, the energy-storage system of storage or release electric energy, described energy-storage system is connected with described control system;
According to the control of described control system, after being converted to alternating current, exports the direct current of described energy-storage system output, or the alternating current receiving from the external world is converted to the inverter that exports described energy-storage system DC circuit to, described inverter is connected with described control system and energy-storage system respectively;
Wherein, described energy-storage system is above-mentioned arbitrary described energy-storage system.
Can find out from above-mentioned technical scheme, the disclosed energy-storage system of the utility model, 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.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment 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 embodiment more of the present utility model, for those of ordinary skill in the art, 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 the utility model embodiment schematic diagram;
Fig. 2 is the disclosed supply vehicle charge-discharge circuit of another embodiment of the utility model schematic diagram;
Fig. 3 is the disclosed supply vehicle charge-discharge circuit of another embodiment of the utility model schematic diagram;
Fig. 4 is the disclosed supply vehicle charge-discharge circuit of another embodiment of the utility model schematic diagram;
Fig. 5 is the disclosed supply vehicle charge-discharge circuit of another embodiment of the utility model schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model provides a kind of energy-storage system, is 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:
Control system 103 is controlled soft starting circuit 202 closures of energy-storage system 101, make to realize current path between the battery pack 201 of energy-storage system 101 and inverter 102, and then be achieved storage and the release to battery pack 201 electric energy through inverter 102 and soft starting circuit 202.
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 describe taking two as example herein.
The utility model another embodiment also provide 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.
Soft starting circuit 202 comprises:
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:
First control system 103 is determined and need to be dropped into 1 or 2 battery pack 201 according to parameters such as battery capacity, electrical network loads, then control the circuit breaker and the contactor closure that in soft starting circuit 202, are connected with the battery pack 201 of needs input, make to realize current path between battery pack 201 and inverter 102, and then be achieved storage and the release to battery pack 201 electric energy through inverter 102 and soft starting circuit 202.In the time that shutting down, inverter 102 need discharge loop 203 to discharge.
Remaining feature and concrete operation principle are same as the previously described embodiments in the present embodiment, repeat no more herein
The utility model another embodiment also provide 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.
Soft starting circuit 202 comprises:
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.
Discharge loop 205 comprises: the 5th contactor K5 and the resistance being connected in series.
Concrete operation principle is:
First control system 103 is determined and need to be dropped into 1 or 2 battery pack 201 according to parameters such as battery capacity, electrical network loads, then controls the breaker closing being connected with the battery pack 201 of needs input in soft starting circuit 202; The 4th contactor K4 closure in parallel circuits 204 in the battery pack 201 that needs are dropped into, the battery management system being connected with every batteries respectively by the voltage real-time report of every batteries to control system 103, when control system 103 judgement be connected in parallel circuits 204 two ends two battery strings voltage difference hour, control the 3rd contactor K3 closure in parallel circuits 204, by described two battery series-parallel connections; Then control system 103 is controlled the contactor closure being connected with the battery pack 201 of needs input in soft starting circuit 202, make to realize current path between battery pack 201 and inverter 102, and then be achieved storage and the release to battery pack 201 electric energy through inverter 102 and soft starting circuit 202.In the time that shutting down, inverter 102 need discharge loop 203 to discharge.
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
The utility model another embodiment also provide a kind of supply vehicle, as shown in Figure 5, comprises
Control system 103;
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:
Control system 103 is controlled inverter 102 and energy-storage system 101, exports energy-storage system 101 to making inverter 102 that the alternating current receiving from the external world is converted to DC circuit, makes energy-storage system 101 storage of electrical energy; Control system 103 is controlled inverter 102 and energy-storage system 101, and the direct current that inverter 102 is exported energy-storage system 101 is exported after being converted to alternating current, and energy-storage system 101 is externally discharged.
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 utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model 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;
According to the control of described control system, the energy-storage system of storage or release electric energy, described energy-storage system is connected with described control system;
According to the control of described control system, after being converted to alternating current, exports the direct current of described energy-storage system output, or the alternating current receiving from the external world is converted to the inverter that exports described energy-storage system DC circuit to, described inverter is connected with described control system and energy-storage system respectively;
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 |
|---|---|---|---|
| CN201420067223.5U CN203734345U (en) | 2014-02-17 | 2014-02-17 | Energy storage system and power vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420067223.5U CN203734345U (en) | 2014-02-17 | 2014-02-17 | Energy storage system and power vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN203734345U true CN203734345U (en) | 2014-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420067223.5U Expired - Lifetime CN203734345U (en) | 2014-02-17 | 2014-02-17 | Energy storage system and power vehicle |
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| Country | Link |
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| CN (1) | CN203734345U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762698A (en) * | 2014-02-17 | 2014-04-30 | 国家电网公司 | Energy storage system and power vehicle |
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2014
- 2014-02-17 CN CN201420067223.5U patent/CN203734345U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762698A (en) * | 2014-02-17 | 2014-04-30 | 国家电网公司 | Energy storage system and power vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140723 Effective date of abandoning: 20160420 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |