CN114006443A - Intelligent thermal management system for oil immersed pressure-resistant battery of deep-sea submersible - Google Patents
Intelligent thermal management system for oil immersed pressure-resistant battery of deep-sea submersible Download PDFInfo
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- CN114006443A CN114006443A CN202111442207.0A CN202111442207A CN114006443A CN 114006443 A CN114006443 A CN 114006443A CN 202111442207 A CN202111442207 A CN 202111442207A CN 114006443 A CN114006443 A CN 114006443A
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- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 239000003921 oil Substances 0.000 claims description 34
- 238000004891 communication Methods 0.000 claims description 12
- 239000010720 hydraulic oil Substances 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
- H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
- H02J7/007194—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature of the battery
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00309—Overheat or overtemperature protection
Abstract
An intelligent thermal management system for an oil immersed pressure-resistant battery of a deep sea submersible comprises a thermal management unit and a shipborne or shore-based energy management and information display device; the heat management unit is integrated inside the deep sea oil-immersed pressure-resistant battery, a plurality of battery modules are arranged at intervals inside the deep sea oil-immersed pressure-resistant battery, a heating element is arranged at the bottom of each battery module, a deep sea battery system power control module is arranged beside the heat management unit, and a turbo pump is arranged beside each heating element and one side of each deep sea battery system power control module; the three-dimensional temperature field of the deep sea submersible oil immersed pressure-resistant battery is monitored in real time, the output power of the thermal management system is intelligently adjusted, and the deep sea submersible oil immersed battery is enabled to be at the optimal working temperature, so that the effect of saving battery energy is achieved when the battery is used for supplying power. The low-temperature heat management problem under the deep sea working condition and the high-temperature and low-temperature heat management problem under the shipborne or shore-based maintenance and storage working condition are considered.
Description
Technical Field
The invention relates to the technical field of thermal management of an energy system of a deep-sea submersible, in particular to an intelligent thermal management system for an oil-immersed pressure-resistant battery of the deep-sea submersible.
Background
The manned submersible and unmanned cableless submersible in deep sea submersible almost all adopt batteries as energy source, especially large depth submersible basically adopts the scheme of oil-immersed pressure-resistant battery. Compared with a pressure-resistant cabin type battery, under the condition of the same electric quantity configuration, the oil-immersed pressure-resistant battery has obvious advantages in indexes such as weight and volume and is beneficial to improvement of the overall performance of the deep sea submersible.
The deep sea environment is an extreme environment with low temperature and high pressure, and the oil-immersed pressure-resistant battery needs to simultaneously bear two extreme conditions of low temperature and high pressure in the extreme environment. When the electrolyte is used in deep sea, ions in the battery are difficult to migrate in the electrolyte due to low temperature, so that the internal resistance of the battery is increased, and the available electric quantity is reduced. Meanwhile, the heating of the power component may cause the local temperature of the oil-immersed battery to be overheated, so that the internal temperature of the battery is uneven, the consistency of the battery is poor, and the discharging electric quantity of the battery is also influenced.
When the battery is charged in a shipborne or shore-based charging maintenance state, such as a low-temperature environment, the low temperature makes it difficult for ions to be extracted from the positive electrode and migrated to be embedded into the negative electrode material, and the ions are caused to form dendrites on the negative electrode. The formed dendritic crystals can pierce the diaphragm under high pressure, so that internal short circuit is caused, thermal runaway is caused, and the oil-immersed pressure-resistant battery is burnt. If charging is carried out in a high-temperature environment, if effective heat management and control are not carried out, thermal runaway of the battery is easily caused, and the battery is ignited.
At present, an oil-immersed pressure-resistant battery system in the field of deep sea submersibles only depends on hydraulic oil in a battery box to conduct extremely limited heat conduction, and no active intelligent thermal management system exists, so that the hydraulic oil can not be intelligently regulated in the battery box according to the distribution condition of a temperature field. The existing battery thermal management system used in the onshore normal-pressure environment cannot be used in the deep-sea ultrahigh-pressure environment.
Disclosure of Invention
The applicant provides an intelligent thermal management system for the deep sea submersible oil-immersed pressure-resistant battery, which is reasonable in structure, aiming at the defects in the prior art, so that the high-low temperature charge and discharge performance and the safety of the deep sea submersible oil-immersed pressure-resistant battery are improved through the intelligent heat monitoring and regulating functions.
The technical scheme adopted by the invention is as follows:
an intelligent thermal management system for an oil immersed pressure-resistant battery of a deep sea submersible comprises a thermal management unit and a shipborne or shore-based energy management and information display device;
the thermal management unit is integrated in the deep-sea oil-immersed pressure-resistant battery,
a plurality of battery modules are arranged at intervals in the deep-sea oil-immersed pressure-resistant battery, a heating element is arranged at the bottom of each battery module, a deep-sea battery system power control module is arranged beside the heat management unit, and a turbo pump is arranged beside each heating element and the deep-sea battery system power control module.
As a further improvement of the above technical solution:
the system structure of the thermal management unit is as follows: the intelligent heat management system comprises a heat management system main control module, wherein the heat management system main control module is respectively connected with a communication module, a temperature acquisition module and an energy management driving module, the communication module is connected with a submersible control system, the temperature acquisition module is connected with a temperature sensor array, and the energy management driving module is connected with a temperature control assembly, a battery end power distribution module and a shipborne or shore-based energy management and information display device.
The temperature control assembly is composed of a turbo-pump set and a heating element array.
The turbo pump set is composed of a plurality of turbo pumps.
The heating element array is composed of a plurality of heating elements.
The operation of the turbo pump forms a stable flow field for the hydraulic oil.
The thermal management system main control module is used for comprehensively analyzing and processing the temperature data acquired by the temperature acquisition module, constructing a three-dimensional temperature field model of the deep-sea submersible oil-immersed pressure-resistant battery, and intelligently controlling and adjusting the working state of the temperature control assembly according to the temperature field model so as to achieve the purpose of intelligently adjusting the temperature of the deep-sea submersible oil-immersed pressure-resistant battery.
And the communication module is used for transmitting the working state of the main control module of the thermal management system and the temperature field information of the oil immersed pressure-resistant battery of the deep-sea submersible to the submersible control system.
The temperature acquisition module senses the state of a three-dimensional temperature field of the oil immersed pressure-resistant battery of the deep sea submersible through the temperature sensor array and sends temperature data to the main control module of the thermal management system; and the energy management driving module receives a control instruction sent by the main control module of the thermal management system and acquires energy from the battery end power distribution module or the shipborne or shore-based energy management and information display device.
The thermal management system of the deep-sea oil-immersed pressure-resistant battery is used in the deep-sea ultrahigh-pressure and low-temperature environment.
The invention has the following beneficial effects:
the invention has compact and reasonable structure and convenient operation, monitors the three-dimensional temperature field of the deep sea submersible oil-immersed pressure-resistant battery in real time, and intelligently adjusts the output power of the thermal management system to ensure that the deep sea submersible oil-immersed battery is at the optimal working temperature, thereby having the effect of saving battery energy when the battery is used for supplying power. The intelligent thermal management system for the oil-immersed pressure-resistant battery of the deep sea submersible simultaneously considers the low-temperature thermal management problem under the working condition of deep sea and the high-temperature and low-temperature thermal management problem under the working condition of shipborne or shore-based maintenance and storage.
The invention solves the problem of thermal management of the deep-sea submersible oil-immersed pressure-resistant battery, fills the blank of the field, and improves the high-low temperature charge and discharge performance and the safety of the deep-sea submersible oil-immersed pressure-resistant battery.
Drawings
FIG. 1 is a distribution diagram of the present invention.
Fig. 2 is a schematic diagram of the control principle of the present invention.
Wherein: 1. a thermal management unit; 2. a turbo pump; 3. a heating element; 4. deep sea oil immersed pressure-resistant battery; 5. the deep sea battery system power control module; 6. stabilizing the flow field; 7. a battery module; 8. a thermal management system main control module; 9. a communication module; 10. a temperature acquisition module; 11. an energy management driving module; 12. an array of temperature sensors; 13. a turbo pump stack; 14. an array of heating elements; 15. a battery side power distribution module; 16. a submersible control system; 17. a shipborne or shore-based energy management and information display device; 18. a temperature control component.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 and fig. 2, the intelligent thermal management system for the oil-immersed pressure-resistant battery of the deep-sea submersible comprises a thermal management unit 1, and a shipborne or shore-based energy management and information display device 17;
the heat management unit 1 is integrated inside the deep-sea oil-immersed pressure-resistant battery 4,
a plurality of battery modules 7 are arranged at intervals in the deep-sea oil-immersed pressure-resistant battery 4, a heating element 3 is arranged at the bottom of each battery module 7, a deep-sea battery system power control module 5 is arranged beside the heat management unit 1, and a turbo pump 2 is arranged beside each heating element 3 and the deep-sea battery system power control module 5.
The system structure of the thermal management unit 1 is as follows: the intelligent energy management system comprises a thermal management system main control module 8, wherein the thermal management system main control module 8 is respectively connected with a communication module 9, a temperature acquisition module 10 and an energy management driving module 11, the communication module 9 is connected with a submersible control system 16, the temperature acquisition module 10 is connected with a temperature sensor array 12, and the energy management driving module 11 is connected with a temperature control assembly 18, a battery end power distribution module 15 and a shipborne or shore-based energy management and information display device 17.
The temperature control assembly 18 is composed of a turbo-pump stack 13 and a heating element array 14.
The turbo-pump group 13 is composed of several turbo-pumps 2.
The heating element array 14 is composed of a number of heating elements 3.
The operation of the turbo pump 2 causes the hydraulic oil to form a steady flow field 6.
The thermal management system main control module 8 is used for comprehensively analyzing and processing the temperature data acquired by the temperature acquisition module 10, constructing a three-dimensional temperature field model of the oil-immersed pressure-resistant battery of the deep-sea submersible, and intelligently controlling and adjusting the working state of the temperature control component 18 according to the temperature field model, so that the purpose of intelligently adjusting the temperature of the oil-immersed pressure-resistant battery of the deep-sea submersible is achieved.
The communication module 9 is used for transmitting the working state of the thermal management system main control module 8 and the temperature field information of the oil immersed pressure-resistant battery of the deep sea submersible to the submersible control system 16.
The temperature acquisition module 10 senses the state of a three-dimensional temperature field of the deep sea submersible oil immersed pressure-resistant battery through the temperature sensor array 12 and sends temperature data to the heat management system main control module 8; the energy management driving module 11 receives a control instruction sent by the thermal management system main control module 8, and obtains energy from the battery end power distribution module 15 or the shipborne or shore-based energy management and information display device 17.
The thermal management system of the deep-sea oil-immersed pressure-resistant battery 4 is used in a deep-sea ultrahigh-pressure and low-temperature environment.
The specific structure and function of the invention are as follows:
comprising a thermal management unit 1 and an onboard or shore-based energy management and information display device 17.
The heat management unit 1 is integrated in the deep-sea oil-immersed pressure-resistant battery 4,
the thermal management unit 1 comprises a thermal management system main control module 8, a communication module 9, a temperature acquisition module 10 and an energy management driving module 11.
The thermal management system main control module 8 is used for comprehensively analyzing and processing temperature data acquired by the temperature acquisition module 10, constructing a three-dimensional temperature field model of the deep sea submersible oil immersed pressure-resistant battery, and intelligently controlling and adjusting the working state of the temperature control assembly 18 according to the temperature field model, so that the purpose of intelligently adjusting the temperature of the deep sea submersible oil immersed pressure-resistant battery is achieved.
The communication module 9 is used for transmitting the working state of the thermal management system main control module 8 and the temperature field information of the oil immersed pressure-resistant battery of the deep-sea submersible to the submersible control system 16.
The temperature acquisition module 10 senses the state of the three-dimensional temperature field of the deep sea submersible oil immersed pressure-resistant battery through the temperature sensor array 12 and sends temperature data to the heat management system main control module 8.
The energy management driving module 11 receives a control instruction sent by the thermal management system main control module 8, and obtains energy from the battery end power distribution module 15 or the shipborne or shore-based energy management and information display device 17.
In the actual working process:
when the submersible is in a submergence working state, for example, an oil immersed pressure-resistant battery of the deep sea submersible needs to be heated to ensure that the battery is in an optimal working temperature state, the energy management driving module 11 obtains energy from the battery end power distribution module 15 and drives the temperature control assembly 18 to work, and the temperature of the oil immersed pressure-resistant battery of the deep sea submersible is intelligently adjusted.
When the submersible is in a shipborne or shore-based storage and maintenance state, if the environmental temperature is cold, the long-term storage will affect the performance of the deep-sea oil-immersed pressure-resistant battery 4, the energy management driving module 11 will acquire energy from the shipborne or shore-based energy management and information display device 17, intelligently adjust the temperature of the deep-sea submersible oil-immersed pressure-resistant battery, and keep the deep-sea oil-immersed pressure-resistant battery 4 at a proper storage temperature; if the external environment temperature is too high or the deep sea oil immersed pressure-resistant battery 4 is in a charging and discharging maintenance state, the temperature of the deep sea oil immersed pressure-resistant battery 4 is higher, and the temperature needs to be reduced, the energy management driving module 11 acquires energy from the shipborne or shore-based energy management and information display device 17, and only drives the turbopump set 13 to work, so that the hydraulic oil forms a stable flow field 6, and the high-temperature oil at the upper part of the deep sea oil immersed pressure-resistant battery 4 and the low-temperature oil at the lower part form heat exchange, so that the temperature of each battery module 7 in the deep sea oil immersed pressure-resistant battery 4 tends to be consistent, and the local overheating caused by the heating of the deep sea battery system power control module 5 during the charging and discharging maintenance of the battery is avoided.
The turbo pump set 13 is composed of a plurality of turbo pumps 2, and the turbo pumps 2 can work normally in an oil-immersed high-pressure environment, are used for driving hydraulic oil to form a stable flow field 6, and can adjust the rotating speed according to the instruction of the energy management driving module 11.
The heating element array 14 is composed of a plurality of heating elements 3 and used for heating low-temperature hydraulic oil, and the heating power can be adjusted according to the instruction of the energy management driving module 11.
The intelligent thermal management system for the deep sea submersible oil immersed pressure-resistant battery can monitor the three-dimensional temperature field of the deep sea submersible oil immersed pressure-resistant battery in real time, and intelligently adjust the output power of the thermal management system to enable the deep sea submersible oil immersed battery to be at the optimal working temperature, so that the intelligent thermal management system has the effect of saving energy when the battery is used for supplying power. The intelligent thermal management system for the oil-immersed pressure-resistant battery of the deep sea submersible simultaneously considers the low-temperature thermal management problem under the working condition of deep sea and the high-temperature and low-temperature thermal management problem under the working condition of shipborne or shore-based maintenance and storage.
The above description is intended to be illustrative and not restrictive, and the scope of the invention is defined by the appended claims, which may be modified in any manner within the scope of the invention.
Claims (10)
1. The utility model provides an oily withstand voltage battery intelligence thermal management system of deep sea submersible which characterized in that: comprises a thermal management unit (1) and a shipborne or shore-based energy management and information display device (17);
the thermal management unit (1) is integrated in the deep-sea oil-immersed pressure-resistant battery (4),
a plurality of battery modules (7) are arranged at intervals in the deep-sea oil-immersed pressure-resistant battery (4), the bottom of each battery module (7) is provided with a heating element (3), one side of the heat management unit (1) is provided with a deep-sea battery system power control module (5), and one side of each heating element (3) and one side of the deep-sea battery system power control module (5) are provided with a turbo pump (2).
2. The deep sea submersible intelligent oil immersed pressure-resistant battery thermal management system according to claim 1, characterized in that: the system structure of the thermal management unit (1) is as follows: the intelligent heat management system comprises a heat management system main control module (8), wherein the heat management system main control module (8) is respectively connected with a communication module (9), a temperature acquisition module (10) and an energy management driving module (11), the communication module (9) is connected with a submersible control system (16), the temperature acquisition module (10) is connected with a temperature sensor array (12), and the energy management driving module (11) is connected with a temperature control assembly (18), a battery end power distribution module (15) and a shipborne or shore-based energy management and information display device (17).
3. The deep sea submersible intelligent thermal management system of oil immersed pressure cell of claim 2, wherein: the temperature control assembly (18) is composed of a turbo-pump group (13) and a heating element array (14).
4. The deep sea submersible intelligent oil immersed pressure resistant battery thermal management system according to claim 3, characterized in that: the turbo pump group (13) is composed of a plurality of turbo pumps (2).
5. The deep sea submersible intelligent oil immersed pressure resistant battery thermal management system according to claim 3, characterized in that: the heating element array (14) is composed of a plurality of heating elements (3).
6. The deep sea submersible intelligent oil immersed pressure-resistant battery thermal management system according to claim 1, characterized in that: the operation of the turbine pump (2) enables the hydraulic oil to form a stable flow field (6).
7. The deep sea submersible intelligent thermal management system of oil immersed pressure cell of claim 2, wherein: the thermal management system main control module (8) is used for comprehensively analyzing and processing temperature data acquired by the temperature acquisition module (10), constructing a three-dimensional temperature field model of the deep sea submersible oil immersed pressure-resistant battery, and intelligently controlling and adjusting the working state of the temperature control assembly (18) according to the temperature field model so as to achieve the purpose of intelligently adjusting the temperature of the deep sea submersible oil immersed pressure-resistant battery.
8. The deep sea submersible intelligent thermal management system of oil immersed pressure cell of claim 2, wherein: the communication module (9) is used for transmitting the working state of the thermal management system main control module (8) and the temperature field information of the oil-immersed pressure-resistant battery of the deep-sea submersible to the submersible control system (16).
9. The deep sea submersible intelligent thermal management system of oil immersed pressure cell of claim 2, wherein: the temperature acquisition module (10) senses the state of a three-dimensional temperature field of the deep sea submersible oil immersed pressure-resistant battery through the temperature sensor array (12) and sends temperature data to the heat management system main control module (8); the energy management driving module (11) receives a control command sent by the thermal management system main control module (8) and obtains energy from the battery end power distribution module (15) or the shipborne or shore-based energy management and information display device (17).
10. The deep sea submersible intelligent oil immersed pressure-resistant battery thermal management system according to claim 1, characterized in that: the thermal management system of the deep-sea oil-immersed pressure-resistant battery (4) is used in the deep-sea ultrahigh-pressure and low-temperature environment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111442207.0A CN114006443A (en) | 2021-11-30 | 2021-11-30 | Intelligent thermal management system for oil immersed pressure-resistant battery of deep-sea submersible |
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| CN202111442207.0A CN114006443A (en) | 2021-11-30 | 2021-11-30 | Intelligent thermal management system for oil immersed pressure-resistant battery of deep-sea submersible |
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2021
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