CN220585324U - Heat abstractor for lithium battery of energy storage power station - Google Patents
Heat abstractor for lithium battery of energy storage power station Download PDFInfo
- Publication number
- CN220585324U CN220585324U CN202322145808.6U CN202322145808U CN220585324U CN 220585324 U CN220585324 U CN 220585324U CN 202322145808 U CN202322145808 U CN 202322145808U CN 220585324 U CN220585324 U CN 220585324U
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- CN
- China
- Prior art keywords
- lithium battery
- fan
- temperature
- temperature difference
- energy storage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 88
- 238000004146 energy storage Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 29
- 230000017525 heat dissipation Effects 0.000 claims abstract description 20
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- BNOODXBBXFZASF-UHFFFAOYSA-N [Na].[S] Chemical compound [Na].[S] BNOODXBBXFZASF-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Secondary Cells (AREA)
Abstract
The utility model provides a heat dissipation device for a lithium battery of an energy storage power station, which relates to the field of temperature monitoring of the lithium battery, and comprises the following components: air-cooled heat dissipation lithium battery cabinet; a temperature detector, a lithium battery, a fan opening valve, an inner air duct and a fan are arranged in the air-cooled heat dissipation lithium battery cabinet; the temperature detector is arranged on the lithium battery; the temperature detector is used for detecting the maximum temperature and the minimum temperature of the lithium battery in the working process and transmitting a temperature difference signal between the maximum temperature and the minimum temperature to the fan opening valve; the lithium battery includes a plurality of blocks; the inner air channels are arranged among the lithium batteries; the fan is arranged at the air inlet of the inner air duct; the fan opening valve is respectively connected with the temperature detector and the fan, and is used for controlling the rotating speed of the fan according to the temperature difference signal. The utility model can radiate heat of lithium battery in real time, and prolong service life of lithium battery.
Description
Technical Field
The utility model relates to the field of lithium battery temperature monitoring, in particular to a heat dissipation device for a lithium battery of an energy storage power station.
Background
Because new energy sources such as wind power, photovoltaic and the like participate in the grid-connected capacity to rise year by year, the frequency and amplitude of the traditional thermal power generating unit participating in frequency modulation are greatly increased. The lithium battery is used as an energy storage link, has the characteristics of high power density, stable and safe operation and the like, and is widely applied to assisting the thermal power generating unit to participate in frequency modulation. Currently, the performance characteristics and the economy of the advanced lead-acid battery (lead-carbon battery), lithium ion battery (lithium iron phosphate, ternary lithium and the like), flow battery, sodium-sulfur battery and the like of the mainstream lithium battery in the market are different, but the operation safety and the service life are influenced by the battery temperature. As the time of participating in frequency modulation is too long, the battery temperature is higher and higher, thereby leading to short service life of the battery.
Disclosure of Invention
The utility model aims to provide a heat dissipation device for a lithium battery of an energy storage power station, so as to conduct real-time heat dissipation on the lithium battery in the monitoring energy storage power station.
In order to achieve the above object, the present utility model provides the following solutions:
an energy storage power station lithium battery heat dissipation device, comprising: air-cooled heat dissipation lithium battery cabinet;
a temperature detector, a lithium battery, a fan opening valve, an inner air duct and a fan are arranged in the air-cooled heat dissipation lithium battery cabinet;
the temperature detector is arranged on the lithium battery; the temperature detector is used for detecting the maximum temperature and the minimum temperature of the lithium battery in the working process and transmitting a temperature difference signal between the maximum temperature and the minimum temperature to the fan opening valve;
the lithium battery includes a plurality of blocks; the inner air channels are arranged among the lithium batteries;
the fan is arranged at the air inlet of the inner air duct; the fan opening valve is respectively connected with the temperature detector and the fan, and is used for controlling the rotating speed of the fan according to the temperature difference signal.
Optionally, the method further comprises: a comparator;
the comparator is connected with the temperature detector; the comparator is used for receiving the temperature difference and comparing the temperature difference with the upper limit of the temperature difference built in the comparator, so that the lithium battery exits or participates in the frequency modulation process.
Optionally, the method further comprises: automatic opening and closing;
the automatic opening and closing device is used for connecting a lithium battery radiating device of the energy storage power station and a bus connecting gate of the power plant; when the temperature difference exceeds the upper limit of the temperature difference, the automatic switch-on and switch-off is turned off, and the lithium battery is forced to exit the frequency modulation process; and when the temperature difference is recovered to be within the normal temperature difference range, closing the automatic switch-on/off valve to enable the lithium battery to participate in the frequency modulation process.
Optionally, the method further comprises: the energy management system is connected with the wire;
the energy management system connecting wire is used for connecting the temperature detector and the fan opening valve.
Optionally, the method further comprises: a connecting pipe;
when a plurality of inner air channels exist, each inner air channel is communicated with an outlet of one connecting pipe, and the fan is arranged at an inlet of the connecting pipe.
Optionally, the larger the temperature difference of the lithium battery is, the larger the opening degree of the fan opening valve is, and the faster the rotating speed of the fan is.
Optionally, the method further comprises: an upper cover plate and a lower cover plate;
the lithium battery is arranged between the upper cover plate and the lower cover plate.
According to the specific embodiment provided by the utility model, the utility model discloses the following technical effects: the utility model provides a heat dissipation device for a lithium battery of an energy storage power station, which is used for controlling a fan opening valve to change the rotating speed of a fan by monitoring the maximum temperature difference of the lithium battery in real time, so that the lithium battery is subjected to real-time heat dissipation, and the service life of the lithium battery is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an internal schematic diagram of a heat dissipating device for a lithium battery of an energy storage power station provided by the utility model;
fig. 2 is a schematic diagram of an air-cooled heat dissipation lithium battery cabinet provided by the utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model aims to provide a heat dissipation device for a lithium battery of an energy storage power station, which can conduct real-time heat dissipation on the lithium battery and prolong the service life of the lithium battery.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1-2, the present utility model provides a heat dissipating device for a lithium battery of an energy storage power station, comprising: air-cooled heat dissipation lithium battery cabinet; the air-cooled heat dissipation lithium battery cabinet is internally provided with a temperature detector 1, a lithium battery 2, a fan opening valve 3, an upper cover plate 4, a lower cover plate 5, an inner air duct 6 and a fan 7; the temperature detector 1 is arranged on the lithium battery 2; the temperature detector 1 is used for detecting the maximum temperature and the minimum temperature of the lithium battery 2 in the working process and transmitting a temperature difference signal between the maximum temperature and the minimum temperature to the fan opening valve 3; the lithium battery 2 includes a plurality of blocks; the inner air duct 6 is arranged among the lithium batteries 2; the fan 7 is arranged at the air inlet of the inner air duct 6; the fan opening valve 3 is respectively connected with the temperature detector 1 and the fan 7, and the fan opening valve 3 is used for controlling the rotating speed of the fan 7 according to the temperature difference signal.
The lithium battery 2 is an energy storage element, stores electric energy in the form of chemical energy, and is divided into two working states of charging and discharging; the fan 7 is a radiator installed beside the lithium battery 2, and radiates heat from the lithium battery 2 by changing the rotational speed and the air inlet amount of the inner air duct 6 when needed.
When the energy storage system needs to participate in frequency modulation, the temperature detector 1 detects the temperature difference delta t of the lithium battery 2; the temperature detector 1 transmits a temperature difference signal to the fan 7 controller 3 through an EMS connecting wire, the rotating speed of the fan 7 is controlled according to the current maximum temperature difference of the lithium battery 2, the rotating speed of the fan 7 is larger when the temperature difference is larger, and the cooling air flow of the inner air duct 6 is larger, so that heat is dissipated to the lithium battery 2.
In practical application, the method further comprises the following steps: a comparator; the comparator is connected with the temperature detector 1; the comparator is used for receiving the temperature difference and comparing the temperature difference with the upper limit of the temperature difference built in the comparator, so that the lithium battery 2 is withdrawn or participates in the frequency modulation process.
According to the utility model, whether the lithium battery 2 participates in the output is controlled according to the maximum temperature difference, so that the service life and the safety of the lithium battery 2 are ensured.
In practical application, the method further comprises the following steps: automatic opening and closing; the automatic opening and closing device is used for connecting a heat dissipation device of the lithium battery 2 of the energy storage power station and a bus connecting gate of a power plant; when the temperature difference exceeds the upper limit of the temperature difference, the automatic switch-on and switch-off is turned off, and the lithium battery 2 is forced to exit the frequency modulation process; and when the temperature difference is recovered to be within the normal temperature difference range, closing the automatic switch-on/off valve to enable the lithium battery 2 to participate in the frequency modulation process.
In practical application, the method further comprises the following steps: an energy management system (energymanagement system, EMS) connection line; the energy management system connecting wire is used for connecting the temperature detector 1 with the fan opening valve 3 and also used for connecting the fan opening valve 3 with the fan 7; the EMS connecting wire is responsible for transmitting control information and real-time monitoring information.
In practical application, the method further comprises the following steps: a connecting pipe; when there are a plurality of inner air channels 6, each inner air channel 6 is communicated with an outlet of one connecting pipe, and a fan 7 is arranged at an inlet of the connecting pipe.
In practical application, the larger the temperature difference of the lithium battery 2 is, the larger the opening degree of the fan opening valve 3 is, and the faster the rotation speed of the fan 7 is.
In practical application, the method further comprises the following steps: an upper cover plate 4 and a lower cover plate 5; the lithium battery 2 is arranged between the upper cover plate 4 and the lower cover plate 5, and plays a role in protection.
The heat dissipation mode of the utility model is as follows: after the temperature detector 1 detects that the temperature is out of limit, the battery is forced to exit the frequency modulation process, a temperature difference signal is transmitted to the fan 7 controller 3 through an EMS connecting wire, the rotating speed of the fan 7 is changed, and the air flow of the cold air blown into the inner air pipe 6 is increased, so that the heat of the lithium battery 2 is dissipated.
In order to ensure that the energy storage power station runs safely and stably in the frequency modulation process, the utility model detects the temperature of the lithium battery 2 in real time in the output process, and when the temperature difference exceeds the upper limit of the temperature difference, the battery is forced to exit the frequency modulation process until the temperature is restored to a reasonable interval range, and then the lithium battery continues to participate in the frequency modulation process.
The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to assist in understanding the methods of the present utility model and the core ideas thereof; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (7)
1. The utility model provides an energy storage power station lithium cell heat abstractor which characterized in that includes: air-cooled heat dissipation lithium battery cabinet;
a temperature detector, a lithium battery, a fan opening valve, an inner air duct and a fan are arranged in the air-cooled heat dissipation lithium battery cabinet;
the temperature detector is arranged on the lithium battery; the temperature detector is used for detecting the maximum temperature and the minimum temperature of the lithium battery in the working process and transmitting a temperature difference signal between the maximum temperature and the minimum temperature to the fan opening valve;
the lithium battery includes a plurality of blocks; the inner air channels are arranged among the lithium batteries;
the fan is arranged at the air inlet of the inner air duct; the fan opening valve is respectively connected with the temperature detector and the fan, and is used for controlling the rotating speed of the fan according to the temperature difference signal.
2. The energy storage power station lithium battery heat sink as set forth in claim 1, further comprising: a comparator;
the comparator is connected with the temperature detector; the comparator is used for receiving the temperature difference and comparing the temperature difference with the upper limit of the temperature difference built in the comparator, so that the lithium battery exits or participates in the frequency modulation process.
3. The energy storage power station lithium battery heat sink as set forth in claim 2, further comprising: automatic opening and closing;
the automatic opening and closing device is used for connecting a lithium battery radiating device of the energy storage power station and a bus connecting gate of the power plant; when the temperature difference exceeds the upper limit of the temperature difference, the automatic switch-on and switch-off is turned off, and the lithium battery is forced to exit the frequency modulation process; and when the temperature difference is recovered to be within the normal temperature difference range, closing the automatic switch-on/off valve to enable the lithium battery to participate in the frequency modulation process.
4. The energy storage power station lithium battery heat sink as set forth in claim 1, further comprising: the energy management system is connected with the wire;
the energy management system connecting wire is used for connecting the temperature detector and the fan opening valve.
5. The energy storage power station lithium battery heat sink as set forth in claim 1, further comprising: a connecting pipe;
when a plurality of inner air channels exist, each inner air channel is communicated with an outlet of one connecting pipe, and the fan is arranged at an inlet of the connecting pipe.
6. The heat sink of a lithium battery of an energy storage power station of claim 1, wherein the greater the temperature difference of the lithium battery, the greater the opening of the fan opening valve and the faster the rotational speed of the fan.
7. The energy storage power station lithium battery heat sink as set forth in claim 1, further comprising: an upper cover plate and a lower cover plate;
the lithium battery is arranged between the upper cover plate and the lower cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322145808.6U CN220585324U (en) | 2023-08-10 | 2023-08-10 | Heat abstractor for lithium battery of energy storage power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322145808.6U CN220585324U (en) | 2023-08-10 | 2023-08-10 | Heat abstractor for lithium battery of energy storage power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220585324U true CN220585324U (en) | 2024-03-12 |
Family
ID=90108101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322145808.6U Active CN220585324U (en) | 2023-08-10 | 2023-08-10 | Heat abstractor for lithium battery of energy storage power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220585324U (en) |
-
2023
- 2023-08-10 CN CN202322145808.6U patent/CN220585324U/en active Active
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