CN201781195U - Outdoor power supply cabinet - Google Patents
Outdoor power supply cabinet Download PDFInfo
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- CN201781195U CN201781195U CN2010202496795U CN201020249679U CN201781195U CN 201781195 U CN201781195 U CN 201781195U CN 2010202496795 U CN2010202496795 U CN 2010202496795U CN 201020249679 U CN201020249679 U CN 201020249679U CN 201781195 U CN201781195 U CN 201781195U
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- outdoor power
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Abstract
The utility model provides an outdoor power supply cabinet with excellent heat management, low cost and small space occupation for solving the technical problems of high cost and large space occupation. The outdoor power supply cabinet comprises a cabinet body which internally comprises a distribution cabinet arranged at the upper part and a battery cabinet arranged at the lower part, wherein an air inlet communicated with the outside is arranged below the battery cabinet, an air outlet communicated with the outside is arranged at the top of the distribution cabinet, a first fan is arranged at the top of distribution cabinet, and a second fan is arranged at the top of the battery cabinet. The outdoor power supply cabinet of the utility model is adopted to reduce the space occupation of a heat management system and decrease the cost. Meanwhile, the mode also effectively utilizes heat in the distribution cabinet, prevents energy from losing outsides and heats storage batteries by utilizing the generated heat so as to fully utilize electric energy. The outdoor power supply cabinet of the utility model can remarkably decrease the cost, stably work in various adverse environments and ensure the service life and the utilization rates of the batteries.
Description
Technical field
The utility model belongs to the communication power supply field, relates in particular to the outdoor communication field of power supplies.
Background technology
The outdoor power system system mainly is made up of distribution storehouse and battery compartment.Rectification module, supervisory control system, switch etc. are set in the distribution storehouse, are equipped with some storage batterys in the battery compartment, when hot environment, the outdoor power system system is because inner heat device distribute heat adds that long solar radiation makes the internal system temperature very high.As everyone knows, storage battery can obtain long life-span and discharge performance preferably ambient temperature following time of 25 ℃.When but ambient temperature surpasses 25 ℃, 10 ℃ of the every risings of temperature, the life of storage battery then shortens half.According to numerous standard codes, the high workload ambient temperature of storage battery is 45 ℃.If ambient temperature surpasses 55 ℃, to life-span of storage battery be fatal damage.For the life-span of guarantee system reliability and stability, particularly storage battery, so need force cooling to power-supply system.
Conventional now mode is that the fan heat radiation is installed at top, distribution storehouse, but the intensity of its heat radiation not enough, present improved mode is the power cabinet top radiating mode that adopts fan and heat exchanger simultaneously distribution storehouse and battery compartment to be cooled off out of doors, also some adopts air-conditioning and semiconductor cooler to cool off in addition, the aforesaid way refrigeration is good, but all can increase the cost of investment of equipment and occupy the bulk installing space.
In addition, if this power-supply system works in low temperature environment, when ambient temperature by 25 ℃ when descending, the internal resistance of storage battery increases, polarization phenomena are serious, charge efficiency reduces, discharge capacity reduces; When ambient temperature reaches 0 ℃, 80% when discharge capacity is 25 ℃; More very the person's is, when ambient temperature reaches-25 ℃, and about 30% when discharge capacity only is 25 ℃.Also can make accumulator property lose consistency because of heat that heater produced at the inner skewness of battery compartment, of long duration, the part storage battery be because of overcharging or mistake is put and suffered damage.Effectively brought into play for the performance that makes storage battery, generally must be disposed heater,, further occupied the space of bulk in the power cabinet, also strengthened production cost simultaneously though can guarantee battery-operated like this under normal temperature at battery compartment.
The utility model content
The technical problem that the utility model is the above-mentioned cost height of solution, space hold is big provides the outdoor power system that a kind of heat management is good, cost is low, space hold is little cabinet.
A kind of outdoor power system cabinet comprises cabinet, and cabinet inside comprises superposed distribution storehouse and is positioned at the battery compartment of bottom;
Wherein, the battery compartment below is provided with and the extraneous air inlet that communicates, and top, distribution storehouse is provided with and the extraneous air outlet that communicates; The top in distribution storehouse is provided with first fan, and the top of battery compartment is provided with second fan.
Adopt the utility model outdoor power system cabinet, reduced the space hold of heat management system, reduced cost.When the temperature height needs heat radiation, open first fan, air is up taken out from bottom, distribution storehouse, carry out air-cooled to battery compartment and distribution storehouse.When temperature is low, close first fan, start second fan, the heat that parts in the distribution storehouse produce is carried to battery compartment, like this, need not extra heating system, and the heat that the distribution storehouse produces is enough to battery is heated, make that the temperature of storage battery is unlikely to too low in the battery compartment, thereby guarantee the utilance of battery life and battery.This kind mode has also effectively been utilized the heat in the distribution storehouse simultaneously, prevents energy loss in the external world, but utilizes the heat of this generation, to the storage battery heating, electric energy is fully utilized.The utility model power cabinet can significantly reduce cost, and can both stably work in various adverse circumstances, guarantees the utilance of battery life and battery.
Description of drawings
Fig. 1 is an outdoor power system cabinet schematic perspective view in the utility model embodiment;
Fig. 2 is an outdoor power system cabinet frame work schematic diagram in the utility model embodiment;
Fig. 3 is outdoor power system cabinet work front elevational schematic when ambient temperature is higher in the utility model embodiment;
Fig. 4 is that schematic diagram was looked on the outdoor power system cabinet work right side when ambient temperature was higher in the utility model embodiment;
Fig. 5 is that schematic diagram was looked on the outdoor power system cabinet work right side when ambient temperature was low in the utility model embodiment;
Fig. 6 is the first fan work schematic diagram in the utility model embodiment;
Fig. 7 is the second fan internal structure schematic diagram in the utility model embodiment;
Fig. 8 is the second fan work schematic diagram in the utility model embodiment.
Embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 1 and Figure 2, a kind of outdoor power system cabinet comprises cabinet 1, and cabinet 1 inside comprises superposed distribution storehouse 11 and is positioned at the battery compartment 12 of bottom;
The second fan F2 is the rotating fan, and so-called rotating fan is that fan can be realized forward or reverse, and the second fan F2 takes out air in the battery compartment 12 to distribution storehouse 11 during such as counter-rotating, and the second fan F2 takes out distribution storehouse 11 internal fans to battery compartment 12 when then just changeing.Certainly, it is relative just changeing, reversing.Describe for convenient in this example, just changeing, mean wind and flow to battery compartment from the distribution storehouse; Counter-rotating refers to that wind flows to the distribution storehouse from battery compartment.Certainly you also can define wind and flow to battery compartment from the distribution storehouse for reversing, and definition wind flows to the distribution storehouse for just changeing from battery compartment.
The purpose that the second fan F2 is set is to realize the further circulation of air in distribution storehouse 11 and the battery compartment 12, therefore, obviously is to communicate between distribution storehouse 11 and the battery compartment 12, and the second fan F2 can control the air flow between distribution storehouse 11 and the battery compartment 12.
Distribution has storage battery 120 in the battery compartment 12, wherein, lay for ease of storage battery 120, be provided with several layers pallet 121 in this example, storage battery 120 is installed in the pallet 121, can insert two storage batterys 120 side by side in this example on each pallet 121, and power that can be as required inserts the storage battery 120 of corresponding number, storage battery can adopt lead accumulator, lithium ion battery etc., the ferric phosphate lithium cell in the preferred lithium ion battery.
Running about the first fan F1, can detect distribution storehouse temperature by temperature sensor, by comparing design temperature, control the break-make of the first fan F2 then by switch, same running for the second fan F2, can detect the battery compartment temperature by temperature sensor, relatively design temperature is controlled just commentaries on classics, counter-rotating, the disconnection of second fan again by switch.
In distribution storehouse 11, be provided with the distribution storehouse temp control switch k1 that detects distribution storehouse 11 temperature and control first fan F1 action; Be provided with the battery compartment temp control switch that detects battery compartment 12 interior temperature and control second fan F2 action in the described battery compartment 12.So-called temp control switch is meant that temperature sensor and switch are the electronic component of integral type, can pass through the testing environment temperature, relatively controls break-make after the set point.
Such as, in distribution storehouse 11, be provided with a distribution storehouse temp control switch k1 in this example, in battery compartment 12, be provided with two battery compartment temp control switchs, one is called and just changes temp control switch k3, and one is called reversal temperature control switch k2.Reversal temperature control switch k2 is arranged on higher position in the distribution storehouse 12, is just changeing temp control switch k3 and is being arranged on position lower in the distribution storehouse 12.
About the said temperature control switch, can be arranged in the cabinet sidewall 14, also can be arranged in the cabinet door 15.
It is on the cabinet base plate 16 that air inlet 150 can be arranged on battery compartment 12 bottoms, also can be arranged on sidewall 14 or the cabinet door 15; Such as being arranged on as shown in the figure on the cabinet door 15 in this example.
130 of air outlets are arranged on the top cover 13.
In sidewall 14, top cover 13 and cabinet door 15, be provided with the air channel in this example.Like this, after wind enters from air inlet 150, can be from air channel in the cabinet door 151 flow, wind can circulate between the storehouse at battery compartment, distribution, also can in sidewall, circulate between the air channel 140, can be expelled to air outlet, from air outlet 130, discharge from air channels in the top cover 13.
As described in Figure 6, this first fan F1 is provided with two terminals, is respectively 0 end, 1 end; The external distribution of the 1 end storehouse temp control switch k1 and the first protective tube f1 of the first fan F1, the described first protective tube f1 is mainly used in and prevents short circuit and overload protection.
Fig. 7 is the cut-away view of the second fan F2, and this second fan is provided with 3 terminals, be called public terminal, just change terminal, the counter-rotating terminal; 0 end, 1 end, 2 ends on the difference corresponding diagram; 0 end is a common port, be connected to thermoswitch KH1, KH2 respectively on 1 end, 2 ends, when breaking down, when 1 end and 2 ends passed through electric current simultaneously, the second fan F2 was in stop state and constantly heats up, when temperature reaches 135 ℃, thermoswitch KH1 or KH2 action, positive reversing line is cut off, when the second fan temperature rolls back 115 ℃, thermoswitch KH1 or KH2 reset, and cut circuit is connected.
As shown in Figure 8, the just commentaries on classics terminal of this second fan F2 (scheming last 1 end) connects and just changes temp control switch k3, and is in series with the 3rd protective tube f3, and counter-rotating terminal (scheming last 2 ends) meets reversal temperature control switch k2, and is in series with the second protective tube f2.The second protective tube f2, the 3rd protective tube f3 are used to prevent short circuit and overload protection.
Outdoor power system cabinet thermal management algorithm of the present invention is described below.
A kind of outdoor power system cabinet thermal management algorithm, the outdoor power system cabinet comprises cabinet 1, and superposed distribution storehouse 11 and the battery compartment 12 that is positioned at the bottom are set in cabinet 1 inside;
Below battery compartment 12, be provided with and the extraneous air inlet 150 that communicates, be provided with at 11 tops, distribution storehouse and the extraneous air outlet 130 that communicates; At the top in described distribution storehouse 11 the first fan F1 is set, the second fan F2 is set at the top of described battery compartment 12;
The described second fan F2 is the rotating fan;
Described thermal management algorithm comprises the steps:
A), when temperature in the distribution storehouse 11 during more than or equal to the first design temperature T1, first fan F1 work is dispelled the heat to the outdoor power system cabinet; When temperature in the distribution storehouse 11 during less than the first design temperature T1, the first fan F1 disconnects;
B), when temperature in the battery compartment 12 during more than or equal to the second design temperature T2, second fan F2 counter-rotating takes out gases in the battery compartment 12 to distribution storehouse 11, and battery compartment 12 is cooled off;
C), when temperature in the battery compartment 12 during smaller or equal to the 3rd design temperature T3, the second fan F2 just changes, and the heats that produce in the distribution storehouse 11 is taken out to 12 pairs of battery compartments 12 of battery compartment heated;
D), when temperature is between T2 and T3 in the battery compartment 12, the second fan F2 quits work;
Wherein, T1＞T3, T2＞T3.
Obviously, T1, T2, T3 and indefinite are for artificially setting as required.If such as in certain temperature, distribution storehouse inner part can operate as normal, and temperature is higher slightly again, then may be unfavorable to distribution storehouse inner part, cause cisco unity malfunction, then this moment, temperature threshold value in the time of can setting this and be unfavorable for distribution storehouse inner part is the T1 value, certainly, if think that a little higher than this temperature threshold value of temperature can be stood in the distribution storehouse, the T1 value also can be higher again.Obviously, be oppositely arranged and lower also be fine, safer like this.Such as, suppose distribution storehouse temperature if reach 70 ℃, totally unfavorable to power cabinet, and can stand below 70 ℃, it is 70 ℃ that the T1 value can be set.Certainly, be provided with below 70 ℃, be 54 ℃, 50 ℃, 45 ℃, 35 ℃ etc. and all be fine such as the T1 value is set, more than also just enumerate and and non exhaustive.In sum, this T1 value can artificially be set as required, and the designer can consider to be provided with rational T1 value according to the factors such as The field environmental demand situation of equipment.
Equally, T2, T3 also are not particularly limited.According to factors such as the kind of storage battery and characteristics, the designer sets suitable T2, T3 value, such as, set T2 value and be value and be 50 ℃, 45 ℃, 35 ℃, 32 ℃, 20 ℃ etc. and all be fine; Set the T3 value and be 5 ℃, 0 ℃ ,-5 ℃ ,-10 ℃ ,-15 ℃ or the like.
The inventor advises that T1, T2, T3 can select in following scope, the described first design temperature T1 is 35～70 ℃, and the described second design temperature T2 is 15～50 ℃, and described the 3rd design temperature T3 is below 5 ℃.
Preferably, the described first design temperature T1 is 45 ℃, and the described second design temperature T2 is 35 ℃, and described the 3rd design temperature T3 is 0 ℃.
About the detection of outdoor power system in-cabinet temperature and control the break-make of the first fan F1 and the second fan F2, realize by temp control switch in this example.The distribution storehouse temp control switch k1 that detects distribution storehouse temperature and control first fan F1 action is set in distribution storehouse 11; The battery compartment temp control switch that detects battery compartment 12 temperature and control second fan F2 action is set in battery compartment 12.Wherein the battery compartment temp control switch comprises just changes temp control switch k3 and reversal temperature control switch k2.
When distribution storehouse temp control switch k1 detected that temperature is more than or equal to the first design temperature T1 in the distribution storehouse 11, described distribution storehouse temp control switch k1 connected, and controlled first fan F1 work, and the outdoor power system cabinet is dispelled the heat;
When distribution storehouse temp control switch k1 detected that temperature is less than the first design temperature T1 in the distribution storehouse 11, described distribution storehouse temp control switch k1 disconnected, and controlled the first fan F1 and disconnected;
When reversal temperature control switch in the battery compartment 12 detects that temperature is more than or equal to the second design temperature T2 in the battery compartment 12, reversal temperature control switch k2 connects, control second fan F2 counter-rotating, gas in the battery compartment 12 is taken out to distribution storehouse 11, battery compartment 12 is cooled off;
When just changeing temp control switch k3 in the battery compartment 12 and detecting that temperature is smaller or equal to the 3rd design temperature T3 in the battery compartment 12, just changeing temp control switch k3 connects, the second fan F2 just changes, and the heat that produces in the distribution storehouse 11 is taken out to 12 pairs of battery compartments 12 of battery compartment heated;
When reversal temperature control switch k2 in the battery compartment 12 detected battery compartment 12 temperature less than the second design temperature T2, reversal temperature control switch k2 disconnected; When just changeing temp control switch k3 in the battery compartment 12 and detect that temperature is greater than the 3rd design temperature T3 in the battery compartment 12, just changeing temp control switch k3 and disconnecting; The described second fan F2 does not work.
As Fig. 3, Fig. 4, shown in Figure 5, further illustrate thermal management algorithm of the present invention below with specific T 1, T2, T3.
As shown in Figure 3, Figure 4; When being operated in hot environment following time, in this embodiment, we are set at 45 ℃ with the first design temperature T1 that action takes place distribution storehouse temp control switch k1, the 3rd design temperature T3 that is just changeing temp control switch k3 generation action is set at 0 ℃, and the second design temperature T2 that action takes place reversal temperature control switch k2 is set at 35 ℃.The outdoor power system system is in the hot environment running, and the temperature that distribution storehouse temp control switch k1 is responded to reaches T1 (45 ℃) and when above, distribution storehouse temp control switch k1 closure, and the first fan F1 brings into operation, and the heat in distribution storehouse 11 is extracted out outside the rack; Because the operation of 11 tops, distribution storehouse, the first fan F 1 makes distribution storehouse 11 form negative pressure, the outer cold air of cabinet is entered from the air inlet 150 of rack below, through battery compartment 12, arrive distribution storehouse 11 again, thereby realize outdoor power system system cooling protection.When the temperature of being responded to as reversal temperature control switch k2 surpasses T2 (35 ℃), the second fan F2 starts and counter-rotating, the heat of battery compartment 12 is extracted into distribution storehouse 11, because reversal temperature control switch k2 present position temperature will inevitably be lower than temp control switch k1 present position, distribution storehouse temperature, so when the second fan F2 started, the first fan F1 was in operation.This moment, distribution storehouse 11 tops, the first fan F1 extracted the hot gas of distribution storehouse 11 accumulations outside the cabinet out.Because the operation of the first fan F1 and the second fan F2; distribution storehouse 11 and battery compartment 12 form negative pressure, and the air inlet 150 of the outer cold air slave cabinet of cabinet below enters, through battery compartment 12 and distribution storehouse 11; air outlet 130 from top cover 13 is gone out, and reaches the effect of cooling protection.
As shown in Figure 5, the course of work of outdoor power system cabinet under low temperature environment is as follows:
The outdoor power system system is just changeing temperature that temp control switch k3 responded to when being lower than T3 (0 ℃) in the low temperature environment running, the second fan F2 starts and forward rotation.The heat that distribution storehouse 11 is produced is extracted into battery compartment 12, gives the storage battery under low temperature environment 120 heating.Because heat is constantly sent into battery compartment 12, so heat will soon be full of entire cell storehouse 12, makes temperature even, keep the consistency of storage battery 120.Thereby improve performance and prolongation storage battery 120 life-spans of storage battery 120 under low temperature environment.
When temperature in the distribution storehouse 11 is lower than the first design temperature T1 (45 ℃) that sets, the first fan F1 does not work, when temperature in the battery compartment when just changeing between the second design temperature T2 (35 ℃) that the 3rd design temperature T3 (0 ℃) that temperature controller k3 sets and reversal temperature controller k2 set (such as between 0 ℃ and 35 ℃), the second fan F2 does not work.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (12)
1. an outdoor power system cabinet comprises cabinet, and described cabinet inside comprises superposed distribution storehouse and is positioned at the battery compartment of bottom;
It is characterized in that: described battery compartment below is provided with and the extraneous air inlet that communicates, and top, described distribution storehouse is provided with and the extraneous air outlet that communicates; The top in described distribution storehouse is provided with first fan, and the top of described battery compartment is provided with second fan.
2. outdoor power system cabinet as claimed in claim 1 is characterized in that: described second fan is the rotating fan.
3. outdoor power system cabinet as claimed in claim 2 is characterized in that: described outdoor power system cabinet cabinet comprises 3 sidewalls, a cabinet door and a base plate and a top cover.
4. outdoor power system cabinet as claimed in claim 3 is characterized in that: described air inlet is arranged on the cabinet door, and described air outlet is arranged on the top cover.
5. outdoor power system cabinet as claimed in claim 2 is characterized in that: described distribution comprises rectification module, miniature circuit breaker and monitoring module in the storehouse.
6. outdoor power system cabinet as claimed in claim 2 is characterized in that: be provided with the several layers pallet in the described battery compartment, storage battery is installed in the pallet.
7. outdoor power system cabinet as claimed in claim 6 is characterized in that: described storage battery is a ferric phosphate lithium cell.
8. outdoor power system cabinet as claimed in claim 2 is characterized in that: be provided with the distribution storehouse temp control switch that detects distribution storehouse temperature and control the action of first fan in the described distribution storehouse; Be provided with the battery compartment temp control switch that detects the battery compartment temperature and control the action of second fan in the described battery compartment.
9. outdoor power system cabinet as claimed in claim 8 is characterized in that: being provided with in the described battery compartment just changes temp control switch and reversal temperature control switch.
10. outdoor power system cabinet as claimed in claim 3 is characterized in that: be provided with the air channel in described sidewall, top cover and cabinet door.
11. outdoor power system cabinet as claimed in claim 1 is characterized in that: described distribution storehouse and battery compartment are integral type or split type.
12. outdoor power system cabinet as claimed in claim 2 is characterized in that: described second fan comprise public terminal, just change terminal and the counter-rotating terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202496795U CN201781195U (en) | 2010-06-30 | 2010-06-30 | Outdoor power supply cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202496795U CN201781195U (en) | 2010-06-30 | 2010-06-30 | Outdoor power supply cabinet |
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| Publication Number | Publication Date |
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| CN201781195U true CN201781195U (en) | 2011-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202496795U Expired - Lifetime CN201781195U (en) | 2010-06-30 | 2010-06-30 | Outdoor power supply cabinet |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102709974A (en) * | 2012-06-01 | 2012-10-03 | 张家港市泓溢电源科技有限公司 | Novel cooling system for storage battery formation processing power supply electric cabinet |
| CN103515849A (en) * | 2013-09-26 | 2014-01-15 | 华为技术有限公司 | Communication power supply cabinet and communication power supply cabinet temperature control method |
| CN105448561A (en) * | 2015-12-31 | 2016-03-30 | 宁波隆兴电信设备制造有限公司 | Protective structure for breakers in switching power cabinet |
| WO2016134589A1 (en) * | 2015-02-28 | 2016-09-01 | 中兴通讯股份有限公司 | Outdoor power cabinet and outdoor power system |
| CN106602451A (en) * | 2016-06-27 | 2017-04-26 | 河南平芝高压开关有限公司 | Power cabinet |
| CN108173126A (en) * | 2017-12-29 | 2018-06-15 | 武汉祺誉星科技有限公司 | Waterproof and moistureproof outdoor communication power supply cabinet |
| CN110225868A (en) * | 2017-02-07 | 2019-09-10 | 村田机械株式会社 | Repository |
| CN113131039A (en) * | 2021-04-08 | 2021-07-16 | 阳光三星(合肥)储能电源有限公司 | Energy storage device and heat dissipation method |
-
2010
- 2010-06-30 CN CN2010202496795U patent/CN201781195U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102709974A (en) * | 2012-06-01 | 2012-10-03 | 张家港市泓溢电源科技有限公司 | Novel cooling system for storage battery formation processing power supply electric cabinet |
| CN102709974B (en) * | 2012-06-01 | 2015-01-07 | 张家港市泓溢电源科技有限公司 | Novel cooling system for storage battery formation processing power supply electric cabinet |
| CN103515849A (en) * | 2013-09-26 | 2014-01-15 | 华为技术有限公司 | Communication power supply cabinet and communication power supply cabinet temperature control method |
| WO2016134589A1 (en) * | 2015-02-28 | 2016-09-01 | 中兴通讯股份有限公司 | Outdoor power cabinet and outdoor power system |
| CN105448561A (en) * | 2015-12-31 | 2016-03-30 | 宁波隆兴电信设备制造有限公司 | Protective structure for breakers in switching power cabinet |
| CN106602451A (en) * | 2016-06-27 | 2017-04-26 | 河南平芝高压开关有限公司 | Power cabinet |
| CN110225868A (en) * | 2017-02-07 | 2019-09-10 | 村田机械株式会社 | Repository |
| CN108173126A (en) * | 2017-12-29 | 2018-06-15 | 武汉祺誉星科技有限公司 | Waterproof and moistureproof outdoor communication power supply cabinet |
| CN113131039A (en) * | 2021-04-08 | 2021-07-16 | 阳光三星(合肥)储能电源有限公司 | Energy storage device and heat dissipation method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110330 |
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| CX01 | Expiry of patent term |