CN117117391B - Flow rate adjusting device and flow rate adjusting method - Google Patents
Flow rate adjusting device and flow rate adjusting method Download PDFInfo
- Publication number
- CN117117391B CN117117391B CN202311365212.5A CN202311365212A CN117117391B CN 117117391 B CN117117391 B CN 117117391B CN 202311365212 A CN202311365212 A CN 202311365212A CN 117117391 B CN117117391 B CN 117117391B
- Authority
- CN
- China
- Prior art keywords
- flow
- adjusting
- temperature
- adjusting part
- flow rate
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000001514 detection method Methods 0.000 claims abstract description 51
- 230000001105 regulatory effect Effects 0.000 claims abstract description 49
- 230000008602 contraction Effects 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims description 21
- 238000007654 immersion Methods 0.000 claims description 11
- 230000007423 decrease Effects 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 4
- 238000004146 energy storage Methods 0.000 description 11
- 230000033228 biological regulation Effects 0.000 description 10
- 230000008569 process Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/06—Control of flow characterised by the use of electric means
- G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
- G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/637—Control systems characterised by the use of reversible temperature-sensitive devices, e.g. NTC, PTC or bimetal devices; characterised by control of the internal current flowing through the cells, e.g. by switching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
Abstract
The invention provides a flow regulating device and a flow regulating method, comprising the following steps: the inlet pipe, the outlet pipe and the storage cavity are communicated with the storage cavity; the first temperature detection part is arranged at the outflow port of the inflow pipe, and the second temperature detection part is arranged at the inflow port of the outflow pipe; the first adjusting part of the first adjusting structure is arranged at the outflow port in a telescopic way, and the second adjusting part of the second adjusting structure is arranged at the inflow port in a telescopic way; the first temperature detection piece, the second temperature detection piece, the first adjusting structure and the second adjusting structure are all connected with the control piece, and the control piece controls the expansion and contraction of the first adjusting part and/or the expansion and contraction of the second adjusting part according to the charge-discharge multiplying power of the battery cell and the temperature difference condition of the first temperature detection piece and the second temperature detection piece. By the technical scheme provided by the invention, the technical problem of poor adjustment accuracy of the flow adjusting device in the prior art can be solved.
Description
Technical Field
The invention relates to the technical field of immersed energy storage, in particular to a flow regulating device and a flow regulating method.
Background
At present, the operation of the energy storage battery system often needs a stable temperature, and when the temperature is too high or too low, the operation efficiency and the service life of the energy storage battery system are affected. Especially in case of too high temperature, ignition and even explosion of the power core are likely to be caused, which poses a threat to the safety of the energy storage system. The immersed liquid cooling energy storage is to directly immerse the energy storage battery core in the cooling liquid and completely isolate the battery core from water, air and the like so as to realize the thermal management of the energy storage battery system.
However, in the prior art, the flow control of the immersion liquid of the energy storage battery system is often manually adjusted by a worker, and automatic adjustment cannot be realized. In this way, the adjustment is far behind the detection and demand conditions, so that the adjustment precision and accuracy are poor.
Disclosure of Invention
The invention mainly aims to provide a flow regulating device and a flow regulating method, which are used for solving the technical problem of poor regulating accuracy of the flow regulating device in the prior art.
In order to achieve the above object, according to one aspect of the present invention, there is provided a flow rate adjusting device comprising:
the device comprises a flow inlet pipe, a flow outlet pipe and a storage cavity, wherein the flow inlet pipe and the flow outlet pipe are communicated with the storage cavity, and the storage cavity is used for storing a discharge core and immersion liquid;
the first temperature detection piece and the second temperature detection piece are arranged at the outflow port of the inflow pipe, and the second temperature detection piece is arranged at the inflow port of the outflow pipe;
the first adjusting part of the first adjusting structure is arranged at the outflow port in a telescopic way, and the second adjusting part of the second adjusting structure is arranged at the inflow port in a telescopic way; the first adjusting part is of a variable cross-section structure flow adjusting structure along the extending and contracting direction of the first adjusting part; the second adjusting part is of a variable cross-section structure along the expansion and contraction direction of the second adjusting part;
the control piece, first temperature detection piece, second temperature detection piece, first regulation structure and second regulation structure are all connected with the control piece, and the control piece is according to the charge-discharge multiplying power of electric core and the difference in temperature condition of first temperature detection piece and second temperature detection piece to the flexible of first regulation portion and/or the flexible of second regulation portion control.
Further, the cross-sectional area of the first regulating portion gradually decreases in the extending direction of the first regulating portion; and/or the number of the groups of groups,
the cross-sectional area of the second regulating portion gradually decreases in the extending direction of the second regulating portion.
Further, the first adjusting structure comprises a first adjusting piece, a first guide sleeve and a first supporting piece, the first adjusting piece comprises a first connecting portion and a first adjusting portion which are connected with each other, the first guide sleeve is arranged at the outflow port, the first guide sleeve extends along the extending direction of the first adjusting portion, the first guide sleeve is arranged in a matched mode with the first connecting portion, the first connecting portion is movably arranged in the first guide sleeve, the first supporting piece is arranged in the first guide sleeve, and the first supporting piece is located between the first guide sleeve and the first connecting portion.
Further, the first adjustment structure further includes:
the first driving piece is rotatably arranged and is provided with an internal thread;
the first driving screw rod is provided with external threads matched with the internal threads, and is connected with one end of the first connecting part, which is far away from the first adjusting part, so that the first driving piece drives the first connecting part to move through the first driving screw rod.
Further, the flow rate adjusting device further includes:
the first flow detection piece is arranged at the outflow port and is used for detecting the flow at the outflow port;
the second flow detection piece is arranged at the flow inlet and is used for detecting the flow at the flow inlet;
the first flow detection piece and the second flow detection piece are connected with the control piece, so that the control piece can control the expansion and contraction of the first adjusting part and/or the expansion and contraction of the second adjusting part according to the flow conditions detected by the first flow detection piece and the second flow detection piece.
Further, the flow rate adjusting device further includes:
the plurality of third temperature detection pieces are arranged at intervals along the arrangement direction of the plurality of electric cores in the storage cavity, the plurality of third temperature detection pieces are arranged in one-to-one correspondence with the plurality of electric cores, each third temperature detection piece is used for detecting the temperature of the corresponding electric core, and the plurality of third temperature detection pieces are connected with the control piece;
the plurality of position detection pieces are arranged in one-to-one correspondence with the plurality of third temperature detection pieces, each position detection piece is used for detecting the position of the corresponding third temperature detection piece, and the plurality of position detection pieces are connected with the control piece;
the control piece controls the expansion and contraction of the first adjusting part and/or the expansion and contraction of the second adjusting part according to information detected by the third temperature detecting pieces and the position detecting pieces and temperature difference information detected by the first temperature detecting pieces and the second temperature detecting pieces.
According to another aspect of the present invention, there is provided a flow rate adjustment method, suitable for the flow rate adjustment device provided above, the flow rate adjustment method including:
acquiring the temperature T1 at the outflow port of the flow regulating device and the temperature T2 at the inflow port of the flow regulating device;
acquiring a charge-discharge multiplying power C1 of a battery cell of the flow regulating device;
and controlling the expansion and contraction of the first adjusting part of the flow adjusting device and/or the expansion and contraction of the second adjusting part of the flow adjusting device according to the temperature T1 at the outlet, the temperature T2 at the inlet and the charge-discharge multiplying power C of the battery cell.
Further, according to the temperature T1 at the outlet, the temperature T2 at the inlet, and the charge/discharge rate of the battery cell, the expansion and contraction of the first adjusting portion of the flow rate adjusting device and/or the expansion and contraction of the second adjusting portion of the flow rate adjusting device are controlled, including:
when T2-T1 is more than or equal to T0, the first adjusting part and the second adjusting part are controlled to extend out, and the flow section at the outflow port is smaller than the flow section at the inflow port;
when T2-T1 is less than T0 and C1 is more than or equal to C0, the first adjusting part and the second adjusting part are controlled to extend out, and the flow section at the outlet is larger than the flow section at the inlet;
when T2-T1 is less than T0 and C1 is less than C0, acquiring real-time total flow S1 in the storage cavity, and adjusting the first adjusting part and/or the second adjusting part according to the total flow S1 in the storage cavity;
wherein t0 is a preset temperature difference value, and C0 is a preset charge-discharge multiplying power.
Further, obtaining the total flow S1 in the storage cavity, and adjusting the first adjusting portion and/or the second adjusting portion according to the total flow S1 in the storage cavity, including:
obtaining the design flow S0 of the storage cavity;
when S1 is more than or equal to S0, the first adjusting part and the second adjusting part are adjusted so that the flow section at the outflow port is the same as the flow section at the inflow port;
when S1 is less than S0, the first adjusting part and the second adjusting part are adjusted so that the flow cross section at the outlet is larger than the flow cross section at the inlet.
Further, before the real-time total flow S1 in the storage cavity is obtained and the first adjusting portion and/or the second adjusting portion are adjusted according to the total flow S1 in the storage cavity, the flow adjusting method further includes:
acquiring the number of the battery cells exceeding a preset temperature T3 in a plurality of battery cells in the flow regulating device;
when the number of the electric cores exceeding the preset temperature T3 is larger than or equal to the preset number, the first adjusting part is controlled to extend out so as to increase the flow section at the outlet;
when the number of the electric cores exceeding the preset temperature T3 is smaller than the preset number, the distribution positions of the electric cores exceeding the preset temperature are obtained, and the first adjusting part and the second adjusting part are adjusted according to the distribution positions of the electric cores exceeding the preset temperature.
By applying the technical scheme of the invention, the expansion and contraction of the first adjusting part and/or the expansion and contraction of the second adjusting part can be conveniently controlled according to the charge-discharge multiplying power of the battery cell and the temperature difference condition of the first temperature detecting part and the second temperature detecting part, so that the flow of the outflow port and the flow condition of the inflow port can be conveniently and better adjusted, the battery cell in the storage cavity can be conveniently and better cooled, the cooling effect is improved, and the total flow in the storage cavity can be conveniently controlled. In addition, the adjusting process is an automatic adjusting process, so that the automation degree of flow adjustment is improved, the adaptability adjustment can be carried out according to the detection result, and the adjusting accuracy is ensured. Therefore, the flow regulating device provided by the embodiment can solve the technical problem of poor regulation accuracy of the flow regulating device in the prior art.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 illustrates a cross-sectional view of a first adjustment structure provided in accordance with an embodiment of the present invention;
FIG. 2 illustrates a cross-sectional view of a second adjustment structure provided in accordance with an embodiment of the present invention;
FIG. 3 shows a schematic structural view of a first adjustment structure provided in accordance with an embodiment of the present invention;
FIG. 4 shows a functional block diagram of a flow regulating device provided in accordance with an embodiment of the present invention;
fig. 5 shows a flow chart of a flow adjustment method provided according to an embodiment of the present invention.
Wherein the above figures include the following reference numerals:
10. a flow inlet pipe; 11. a flow outlet;
20. a outflow pipe; 21. a feed port;
40. a first adjustment structure; 41. a first adjustment member; 411. a first adjusting part; 412. a first connection portion; 42. a first guide sleeve; 43. a first support; 44. a first driving screw rod; 45. a first motor;
50. a second adjustment structure; 511. a second adjusting part;
60. a first flow rate detecting member; 70. a second flow rate detecting member.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 to 4, a first embodiment of the present invention provides a flow rate adjustment device including: the device comprises a flow inlet pipe 10, a flow outlet pipe 20, a storage cavity, a first temperature detection part, a second temperature detection part, a first adjusting structure 40, a second adjusting structure 50 and a control part, wherein the flow inlet pipe 10 and the flow outlet pipe 20 are communicated with the storage cavity, and the storage cavity is used for storing a discharge core and immersion liquid. The first temperature detecting member is provided at the outflow port 11 of the inflow pipe 10, and the second temperature detecting member is provided at the inflow port 21 of the outflow pipe 20. The first adjusting part 411 of the first adjusting structure 40 is telescopically arranged at the outflow port 11, and the second adjusting part 511 of the second adjusting structure 50 is telescopically arranged at the inflow port 21; along the expansion and contraction direction of the first adjusting part 411, the first adjusting part 411 is of a variable cross-section structure flow adjusting structure; the second adjusting portion 511 has a variable cross-section structure along the expansion and contraction direction of the second adjusting portion 511. The first temperature detecting element, the second temperature detecting element, the first adjusting structure 40 and the second adjusting structure 50 are all connected with a control element, and the control element controls the expansion and contraction of the first adjusting part 411 and/or the expansion and contraction of the second adjusting part 511 according to the charge and discharge multiplying power of the battery cell and the temperature difference condition of the first temperature detecting element and the second temperature detecting element.
Wherein the inflow pipe 10 is used for supplying the immersion liquid into the storage cavity, and the outflow pipe 20 is used for discharging the immersion liquid in the storage cavity.
By adopting the flow regulating device provided by the embodiment, the expansion and contraction of the first regulating part 411 and/or the expansion and contraction of the second regulating part 511 can be conveniently controlled according to the charge-discharge multiplying power of the battery cell and the temperature difference condition of the first temperature detecting part and the second temperature detecting part, so that the flow of the outflow port 11 and the flow of the inflow port 21 can be conveniently and better regulated, the battery cell in the storage cavity can be conveniently cooled, the cooling effect is improved, and the total flow in the storage cavity can be conveniently controlled. In addition, the adjusting process is an automatic adjusting process, so that the automation degree of flow adjustment is improved, the adaptability adjustment can be carried out according to the detection result, and the adjusting accuracy is ensured. Therefore, the flow regulating device provided by the embodiment can solve the technical problem of poor regulation accuracy of the flow regulating device in the prior art.
In the present embodiment, the cross-sectional area of the first adjusting portion 411 gradually decreases in the extending direction of the first adjusting portion 411. By adopting such a structural arrangement, the change of the cross-sectional area of the first adjusting part 411 is changed regularly, so that the adjustment of the flow cross-section at the outflow port 11 can be conveniently realized by adjusting the first adjusting part 411, and the flow at the outflow port 11 can be conveniently and better controlled.
Specifically, in the present embodiment, the cross-sectional area of the second regulating portion 511 gradually decreases in the extending direction of the second regulating portion 511. By adopting such a structural arrangement, the change of the cross-sectional area of the second adjusting portion 511 is changed regularly, so that the adjustment of the flow cross-section at the inlet 21 can be realized by the adjustment of the second adjusting portion 511, and the flow at the inlet 21 can be controlled conveniently and better.
Preferably, the first adjusting part 411 and the second adjusting part 511 in the present embodiment are both tapered structures. When the first adjusting portion 411 is not inserted into the outflow port 11, the flow cross section of the outflow port 11 is the largest, and the flow cross section of the outflow port 11 at this time can be obtained by measurement and calculation. When the second adjusting portion 511 is not inserted into the inlet 21, the flow cross section of the inlet 21 is the largest, and the flow cross section of the inlet 21 at this time can be obtained by measurement and calculation. The taper of the first adjusting portion 411 and the maximum cross section of the end portion can be obtained by measurement and calculation, and the taper of the second adjusting portion 511 and the maximum cross section of the end portion can be obtained by measurement and calculation, so that the flow rate of the outflow port 11 can be adjusted according to the position where the first adjusting portion 411 extends into the outflow port 11, and the flow rate of the inflow port 21 can be adjusted according to the position where the second adjusting portion 511 extends into the inflow port 21.
Specifically, the first adjusting structure 40 includes a first adjusting member 41, a first guide sleeve 42 and a first supporting member 43, the first adjusting member 41 includes a first connecting portion 412 and a first adjusting portion 411 that are connected to each other, the first guide sleeve 42 is disposed at the outflow port 11, the first guide sleeve 42 extends along an extending direction of the first adjusting portion 411, the first guide sleeve 42 is disposed in correspondence with the first connecting portion 412, the first connecting portion 412 is movably disposed in the first guide sleeve 42, the first supporting member 43 is mounted in the first guide sleeve 42, and the first supporting member 43 is located between the first guide sleeve 42 and the first connecting portion 412. By adopting the structure, the first adjusting part 411 can be effectively supported by the first supporting piece 43, the situation that the movement stability is poor due to the fact that the first adjusting part 411 stretches out too long is avoided, the situation that the movement of the first adjusting part 411 is unstable due to the fact that the first adjusting part 411 moves in fluid is also avoided, and the setting and the movement stability of the first adjusting part 411 are improved conveniently.
It should be noted that, the first supporting member 43 may not completely seal the gap between the first adjusting portion 411 and the guide sleeve, and the first supporting member 43 may occupy only a portion of the space between the first adjusting portion 411 and the guide sleeve, so that the liquid may flow out through the outflow port 11 smoothly.
In this embodiment, the first adjustment structure 40 further includes a first drive member rotatably disposed with internal threads and a first drive screw 44. The first driving screw 44 has an external thread matching with the internal thread, and the first driving screw 44 is connected with one end of the first connecting portion 412 away from the first adjusting portion 411, so that the first driving member drives the first connecting portion 412 to move through the first driving screw 44. By adopting the structure, the structure is simple, the action is stable, and the first adjusting part 411 can be conveniently and smoothly driven by the first connecting part 412 to extend into the outflow port 11 or retract from the outflow port 11. In particular, the direction of advancement of the helix will be less resistant in the immersion liquid than in the direct push, facilitating more adaptable handling.
Specifically, the first adjustment structure 40 further includes a protective housing and a first motor 45, and the first motor 45 is mounted in the protective housing to protect the first motor 45. The first motor 45 drives the first driving member to move, and the first motor 45 may be a micro motor.
In particular, the second adjustment structure 50 is similar in arrangement to the first adjustment structure 40. The second adjusting structure 50 correspondingly comprises a second adjusting piece, a second guide sleeve, a second supporting piece, a second driving piece and a second driving screw.
In the present embodiment, the flow rate adjustment device further includes a first flow rate detecting member 60 and a second flow rate detecting member 70, the first flow rate detecting member 60 is disposed at the outflow port 11, and the first flow rate detecting member 60 is configured to detect the flow rate at the outflow port 11. The second flow rate detecting member 70 is provided at the inlet 21, and the second flow rate detecting member 70 is for detecting the flow rate at the inlet 21. Wherein, the first flow detecting member 60 and the second flow detecting member 70 are connected to the control member, so that the control member controls the expansion and contraction of the first adjusting portion 411 and/or the expansion and contraction of the second adjusting portion 511 according to the flow conditions detected by the first flow detecting member 60 and the second flow detecting member 70. With such a structural arrangement, the first adjusting portion 411 and the second adjusting portion 511 can be adjusted better, so that the flow in the storage chamber can be adjusted better, and the flow in the storage chamber can be controlled within a predetermined flow range.
Specifically, the flow regulating device further comprises a plurality of third temperature detecting pieces and a plurality of position detecting pieces, the third temperature detecting pieces are arranged along the arrangement direction of the plurality of electric cores in the storage cavity at intervals, the third temperature detecting pieces are arranged in one-to-one correspondence with the electric cores, each third temperature detecting piece is used for detecting the temperature of the corresponding electric core, and the third temperature detecting pieces are all connected with the control piece. The plurality of position detecting pieces are arranged in one-to-one correspondence with the plurality of third temperature detecting pieces, each of the position detecting pieces is used for detecting a position of the corresponding third temperature detecting piece, and the plurality of position detecting pieces are connected with the control piece, wherein the control piece controls the expansion and contraction of the first adjusting part 411 and/or the expansion and contraction of the second adjusting part 511 according to information detected by the plurality of third temperature detecting pieces and the plurality of position detecting pieces and temperature difference information detected by the first temperature detecting pieces and the second temperature detecting pieces. With such a configuration, the adjustment modes of the first adjustment portion 411 and the second adjustment portion 511 can be optimized, so that the adjustment of the flow rate at the outflow port 11 and the adjustment of the flow rate at the inflow port 21 can be better realized.
Specifically, when the temperature difference range between the first temperature detecting element and the second temperature detecting element is smaller, the expansion and contraction of the first adjusting portion 411 and the second adjusting portion 511 are controlled according to the number of the battery cells whose temperature exceeds the predetermined temperature and the distribution positions of the corresponding battery cells, and according to the specific number of the battery cells and the distribution position of the battery cells.
The application corresponds immersion liquid cooling energy storage system coolant flow intelligent regulation device, and the device sets up in the mouth of pipe department of return liquid pipe or feed liquor pipe, including micro motor, flow sensor, temperature sensor, the toper flow control needle of out-of-band transmission screw thread, motor control unit etc.. After receiving the temperature difference or temperature rise adjusting signal, the motor control unit sends out an instruction to control the micro motor to rotate, and then drives the flow adjusting conical valve needle provided with the external driving screw thread to rotate, the conical valve needle can advance or retreat in the horizontal direction with the pipe orifice, the depth of the conical valve needle inserted into the liquid inlet hole or the liquid return hole is adjusted, and the different parts of the conical valve needle are inserted into the liquid inlet hole or the liquid return hole so as to adjust the size of a gap between the liquid inlet hole or the liquid return hole and the conical valve needle. The conical valve needle gradually thickens from front to back, the deeper the conical valve needle is inserted into the orifice hole, the smaller the flow is, the shallower the conical valve needle is inserted into the orifice hole, and the larger the flow is, so that the purpose of intelligently and accurately regulating the flow of orifice cooling liquid is achieved. Through setting up flow sensor in mouth of pipe department, can monitor the coolant liquid flow information in the mouth of pipe that advances in real time, send the control unit of signal for micro motor to control module when reaching the default, stop the needle and rotate to intelligent regulation flow.
Specifically, the flow rate adjusting device in this embodiment includes a temperature detecting module, a motor control unit, and a flow rate detecting module, where the temperature detecting module includes a first temperature detecting member and a second temperature detecting member, and the flow rate detecting module includes a first flow rate detecting member 60 and a second flow rate detecting member 70. The motor control unit is used for controlling the movement conditions of the first driving screw 44 and the second driving screw.
An embodiment of the present invention provides a flow rate adjustment method, which is applicable to the flow rate adjustment device provided above, and the flow rate adjustment method includes: acquiring the temperature T1 at the outflow port 11 of the flow regulating device and the temperature T2 at the inflow port 21 of the flow regulating device; acquiring a charge-discharge multiplying power C1 of a battery cell of the flow regulating device; the expansion and contraction of the first adjusting part 411 of the flow rate adjusting device and/or the expansion and contraction of the second adjusting part 511 of the flow rate adjusting device are controlled according to the temperature T1 at the outflow port 11, the temperature T2 at the inflow port 21, and the charge/discharge rate C of the battery cell.
By adopting the method, the control of the expansion and contraction of the first adjusting part 411 and the expansion and contraction of the second adjusting part 511 can be conveniently and automatically realized, the adjusting mode is optimized, the adjusting precision is improved, and the stepless adjustment and the accurate adjustment are realized.
In the present embodiment, according to the temperature T1 at the outlet 11, the temperature T2 at the inlet 21, and the charge/discharge rate of the battery cell, the expansion and contraction of the first adjusting portion 411 of the flow rate adjusting device and/or the expansion and contraction of the second adjusting portion 511 of the flow rate adjusting device are controlled, including: when T2-T1 is more than or equal to T0, the first adjusting part 411 and the second adjusting part 511 are controlled to extend, and the flow section at the outlet 11 is smaller than the flow section at the inlet 21; when T2-T1 is less than T0 and C1 is more than or equal to C0, the first adjusting part 411 and the second adjusting part 511 are controlled to extend, and the flow cross section at the outlet 11 is larger than the flow cross section at the inlet 21; when T2-T1 is less than T0 and C1 is less than C0, acquiring real-time total flow S1 in the storage cavity, and adjusting the first adjusting part 411 and/or the second adjusting part 511 according to the total flow S1 in the storage cavity; wherein t0 is a preset temperature difference, and C0 is a preset charge-discharge rate (typically, a normal charge-discharge rate). With such a method, the adjustment of the first adjusting part 411 and the second adjusting part 511 can be facilitated to be optimized, and the battery cell can be facilitated to be cooled better.
Specifically, the total flow S1 in the storage chamber is obtained, and the first adjusting portion 411 and/or the second adjusting portion 511 are adjusted according to the total flow S1 in the storage chamber, including: obtaining the design flow S0 of the storage cavity; when S1 is greater than or equal to S0, the first adjusting part 411 and the second adjusting part 511 are adjusted so that the flow cross section at the outflow port 11 is the same as the flow cross section at the inflow port 21; when S1 < S0, the first and second adjustment portions 411 and 511 are adjusted so that the flow cross section at the outflow port 11 is larger than the flow cross section at the inflow port 21. By adopting the method, the adjustment process of the first adjusting part 411 and the second adjusting part 511 can be conveniently further optimized, and the flow in the storage cavity can be effectively ensured to meet the design flow under the condition of ensuring that the temperature of the battery cell is not too high.
In this embodiment, before the real-time total flow S1 in the storage chamber is obtained and the first adjusting portion 411 and/or the second adjusting portion 511 are adjusted according to the total flow S1 in the storage chamber, the flow adjusting method further includes: acquiring the number of the battery cells exceeding a preset temperature T3 in a plurality of battery cells in the flow regulating device; when the number of the electric cores exceeding the preset temperature T3 is larger than or equal to the preset number, the first adjusting part 411 is controlled to extend so as to increase the flow section at the outlet 11; when the number of the cells exceeding the predetermined temperature T3 is smaller than the predetermined number, the distribution positions of the cells exceeding the predetermined temperature are acquired, and the first adjusting part 411 and the second adjusting part 511 are adjusted according to the distribution positions of the cells exceeding the predetermined temperature. By adopting the method, the first adjusting part 411 and the second adjusting part 511 can be conveniently and better adjusted according to the temperature condition and the distribution position condition of the specific battery cell, and the accuracy of adjustment is further improved.
Specifically, when the number of cells exceeding the predetermined temperature T3 is greater than or equal to 1/3 of the total number of cells, the first adjusting portion 411 is controlled to protrude to increase the flow cross section at the outflow port 11. When the number of the electric cores exceeding the preset temperature T3 is less than 1/3 of the total electric core number, and the electric core number of the electric cores positioned close to the water outlet 11 is larger than the electric core number of the electric cores positioned close to the water inlet 21, the first adjusting part 411 and the second adjusting part 511 are controlled to be maintained in the current state; when the number of the cells located near the outlet 11 is smaller than or equal to the number of the cells located far from the inlet 21, the first adjusting part 411 and the second adjusting part 511 are controlled to retract, and the flow section at the outlet 11 is made the same as the flow section at the inlet 21.
Specifically, the current state referred to in the present embodiment refers to a state before the next adjustment operation is performed, and the current states corresponding to different times may be different.
As shown in fig. 5, in one embodiment, the flow adjustment method of the present application includes:
the first step: according to the charge and discharge multiplying power and strategy of the energy storage system, designing the total flow of the immersion liquid required in the storage cavity;
and a second step of: the micro motor controls the conical valve needle (corresponding to the first adjusting part 411 and/or the second adjusting part 511) to respectively pre-adjust the outflow port 11 and the inflow port 21;
and a third step of: charging and discharging the energy storage system according to the multiplying power and the strategy, and monitoring and recording real-time data of the temperature of a single cell in the battery cluster;
fourth step: analyzing the temperature rise and the temperature difference of the battery in the charge and discharge process according to the temperature data acquired in real time;
fifth step: judging whether the temperature rise or the temperature difference in the data is within a preset threshold value; when the temperature rise or the temperature difference exceeds a preset threshold value, calculating a required flow value according to the temperature rise or the temperature difference, and feeding back the flow value to a control unit and a flow detection unit of the micro motor, wherein the motor control unit sends out a command to start the micro motor so as to drive the valve needle to adjust the flow of the pipe orifice; when the total flow of the immersion liquid in the storage cavity reaches a required flow value through the first flow detecting part 60 and the second flow detecting part 70, the total flow is fed back to the control unit of the motor, and the valve needle is stopped being regulated;
sixth step: monitoring and recording real-time data of the total flow of the immersion liquid in the storage cavity;
seventh step: the total flow data is not matched with the design data, namely, unqualified judgment is carried out, the valve needle is required to be adjusted again, and temperature rise and temperature difference data are repeatedly analyzed and confirmed;
eighth step: and when the total flow data is matched with the design data, the flow regulation is completed.
From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects: the intelligent and accuracy of flow control are improved, stepless regulation is realized, and the consistency of the overall temperature of the battery is further improved.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present application, it should be understood that, where azimuth terms such as "front, rear, upper, lower, left, right", "transverse, vertical, horizontal", and "top, bottom", etc., indicate azimuth or positional relationships generally based on those shown in the drawings, only for convenience of description and simplification of the description, these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are merely for convenience of distinguishing the corresponding components, and unless otherwise stated, the terms have no special meaning, and thus should not be construed as limiting the scope of the present application.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A flow regulating device, comprising:
the device comprises a flow inlet pipe (10), a flow outlet pipe (20) and a storage cavity, wherein the flow inlet pipe (10) and the flow outlet pipe (20) are communicated with the storage cavity, and the storage cavity is used for storing a discharge core and immersion liquid;
a first temperature detection part and a second temperature detection part, wherein the first temperature detection part is arranged at the outflow port (11) of the inflow pipe (10), and the second temperature detection part is arranged at the inflow port (21) of the outflow pipe (20);
a first adjusting structure (40) and a second adjusting structure (50), wherein a first adjusting part (411) of the first adjusting structure (40) is arranged at the outflow port (11) in a telescopic way, and a second adjusting part (511) of the second adjusting structure (50) is arranged at the inflow port (21) in a telescopic way; along the expansion and contraction direction of the first adjusting part (411), the first adjusting part (411) is of a variable cross-section structure flow adjusting structure; along the expansion and contraction direction of the second adjusting part (511), the second adjusting part (511) has a variable cross-section structure;
the control piece is connected with the first temperature detection piece, the second temperature detection piece, the first adjusting structure (40) and the second adjusting structure (50), and controls the expansion and contraction of the first adjusting part (411) and/or the expansion and contraction of the second adjusting part (511) according to the charge-discharge multiplying power of the battery cell and the temperature difference condition of the first temperature detection piece and the second temperature detection piece;
the first adjusting structure (40) comprises a first adjusting piece (41), a first guide sleeve (42) and a first supporting piece (43), the first adjusting piece (41) comprises a first connecting part (412) and a first adjusting part (411) which are connected with each other, the first guide sleeve (42) is arranged at the outflow port (11), the first guide sleeve (42) extends along the extending direction of the first adjusting part (411), the first guide sleeve (42) is arranged in a matching way with the first connecting part (412), the first connecting part (412) is movably arranged in the first guide sleeve (42), the first supporting piece (43) is arranged in the first guide sleeve (42), and the first supporting piece (43) is arranged between the first guide sleeve (42) and the first connecting part (412);
a first flow rate detecting member (60) provided at the outflow port (11), the first flow rate detecting member (60) being configured to detect a flow rate at the outflow port (11);
a second flow rate detecting member (70) provided at the inlet port (21), the second flow rate detecting member (70) being configured to detect a flow rate at the inlet port (21);
wherein the first flow detecting member (60) and the second flow detecting member (70) are connected to the control member, so that the control member controls the expansion and contraction of the first adjusting portion (411) and/or the expansion and contraction of the second adjusting portion (511) according to the flow conditions detected by the first flow detecting member (60) and the second flow detecting member (70);
the plurality of third temperature detection pieces are arranged at intervals along the arrangement direction of the plurality of electric cores in the storage cavity, the plurality of third temperature detection pieces are arranged in one-to-one correspondence with the plurality of electric cores, each third temperature detection piece is used for detecting the temperature of the corresponding electric core, and the plurality of third temperature detection pieces are connected with the control piece;
the plurality of position detection pieces are arranged in one-to-one correspondence with the plurality of third temperature detection pieces, each position detection piece is used for detecting the position of the corresponding third temperature detection piece, and the plurality of position detection pieces are connected with the control piece;
wherein the control member controls the expansion and contraction of the first adjusting portion (411) and/or the expansion and contraction of the second adjusting portion (511) according to information detected by the plurality of third temperature detecting members and the plurality of position detecting members and temperature difference information detected by the first temperature detecting member and the second temperature detecting member.
2. The flow regulator according to claim 1, wherein,
the cross-sectional area of the first adjusting part (411) gradually decreases along the extending direction of the first adjusting part (411); and/or the number of the groups of groups,
the cross-sectional area of the second regulating portion (511) gradually decreases along the protruding direction of the second regulating portion (511).
3. The flow regulating device according to claim 1, wherein the first regulating structure (40) further comprises:
a first drive member rotatably disposed, the first drive member having internal threads;
the first driving screw rod (44), the first driving screw rod (44) is provided with external threads matched with the internal threads, the first driving screw rod (44) is connected with one end of the first connecting part (412) far away from the first adjusting part (411), so that the first driving piece drives the first connecting part (412) to move through the first driving screw rod (44).
4. A flow rate adjustment method, characterized in that it is applied to the flow rate adjustment device according to any one of claims 1 to 3, comprising:
acquiring the temperature T1 at the outflow port of the flow regulating device and the temperature T2 at the inflow port of the flow regulating device;
acquiring the charge-discharge multiplying power C1 of the battery cell of the flow regulating device;
and controlling the expansion and contraction of the first regulating part of the flow regulating device and/or the expansion and contraction of the second regulating part of the flow regulating device according to the temperature T1 at the outflow port, the temperature T2 at the inflow port and the charge-discharge multiplying power C of the battery cell.
5. The flow rate adjustment method according to claim 4, wherein the controlling of the expansion and contraction of the first adjustment portion of the flow rate adjustment device and/or the expansion and contraction of the second adjustment portion of the flow rate adjustment device according to the temperature T1 at the outflow port, the temperature T2 at the inflow port, and the charge/discharge rate of the battery cell includes:
when T2-T1 is more than or equal to T0, the first adjusting part and the second adjusting part are controlled to extend out, and the flow section at the outflow port is smaller than the flow section at the inflow port;
when T2-T1 is less than T0 and C1 is more than or equal to C0, the first regulating part and the second regulating part are controlled to extend out, and the flow section at the outflow port is larger than the flow section at the inflow port;
when T2-T1 is less than T0 and C1 is less than C0, acquiring real-time total flow S1 in the storage cavity, and adjusting the first adjusting part and/or the second adjusting part according to the total flow S1 in the storage cavity;
wherein t0 is a preset temperature difference value, and C0 is a preset charge-discharge multiplying power.
6. The flow rate adjustment method according to claim 5, wherein the obtaining the total flow rate S1 in the storage chamber and adjusting the first adjustment portion and/or the second adjustment portion according to the total flow rate S1 in the storage chamber includes:
obtaining the design flow S0 of the storage cavity;
when S1 is more than or equal to S0, the first adjusting part and the second adjusting part are adjusted so that the flow section at the outflow port is the same as the flow section at the inflow port in size;
and when S1 is less than S0, the first adjusting part and the second adjusting part are adjusted so that the flow cross section at the outflow port is larger than the flow cross section at the inflow port.
7. The flow rate adjustment method according to claim 5, characterized in that before acquiring the real-time total flow rate S1 in the storage chamber and adjusting the first adjustment portion and/or the second adjustment portion according to the total flow rate S1 in the storage chamber, the flow rate adjustment method further comprises:
acquiring the number of the battery cells exceeding a preset temperature T3 in a plurality of battery cells in the flow regulating device;
when the number of the electric cores exceeding the preset temperature T3 is larger than or equal to the preset number, the first adjusting part is controlled to extend out so as to increase the flow cross section at the outflow port;
when the number of the electric cores exceeding the preset temperature T3 is smaller than the preset number, the distribution positions of the electric cores exceeding the preset temperature are obtained, and the first adjusting part and the second adjusting part are adjusted according to the distribution positions of the electric cores exceeding the preset temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311365212.5A CN117117391B (en) | 2023-10-20 | 2023-10-20 | Flow rate adjusting device and flow rate adjusting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311365212.5A CN117117391B (en) | 2023-10-20 | 2023-10-20 | Flow rate adjusting device and flow rate adjusting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117117391A CN117117391A (en) | 2023-11-24 |
| CN117117391B true CN117117391B (en) | 2024-01-26 |
Family
ID=88796893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311365212.5A Active CN117117391B (en) | 2023-10-20 | 2023-10-20 | Flow rate adjusting device and flow rate adjusting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117117391B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117317449B (en) * | 2023-11-29 | 2024-01-26 | 珠海科创储能科技有限公司 | Battery cabinet and flow adjusting method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11320455A (en) * | 1998-03-16 | 1999-11-24 | Kr Kogyo Kk | Rotation speed regulating device for air rotation tool |
| CN101225883A (en) * | 2006-09-22 | 2008-07-23 | 美商奥美科技股份有限公司 | Automate fluid flow control system |
| CN206362390U (en) * | 2016-12-28 | 2017-07-28 | 苏州天大泰和自控仪表技术有限公司 | Fluid flow rate measurement apparatus and pipe-line |
| DE202017007116U1 (en) * | 2017-03-06 | 2019-08-12 | Engelmann Sensor Gmbh | Measuring unit, pipe section and flow meter for determining the flow rate |
| CN114413979A (en) * | 2022-03-30 | 2022-04-29 | 潍柴动力股份有限公司 | Venturi tube flow measuring method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6742335B2 (en) * | 2002-07-11 | 2004-06-01 | Clean Air Power, Inc. | EGR control system and method for an internal combustion engine |
-
2023
- 2023-10-20 CN CN202311365212.5A patent/CN117117391B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11320455A (en) * | 1998-03-16 | 1999-11-24 | Kr Kogyo Kk | Rotation speed regulating device for air rotation tool |
| CN101225883A (en) * | 2006-09-22 | 2008-07-23 | 美商奥美科技股份有限公司 | Automate fluid flow control system |
| CN206362390U (en) * | 2016-12-28 | 2017-07-28 | 苏州天大泰和自控仪表技术有限公司 | Fluid flow rate measurement apparatus and pipe-line |
| DE202017007116U1 (en) * | 2017-03-06 | 2019-08-12 | Engelmann Sensor Gmbh | Measuring unit, pipe section and flow meter for determining the flow rate |
| CN114413979A (en) * | 2022-03-30 | 2022-04-29 | 潍柴动力股份有限公司 | Venturi tube flow measuring method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117117391A (en) | 2023-11-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN117117391B (en) | Flow rate adjusting device and flow rate adjusting method | |
| EP1845574A1 (en) | Fuel cell system and start method thereof | |
| CN110984930B (en) | Underground fine layered water injection control device and method | |
| US5685971A (en) | Apparatus and method for forming a variable diameter hole in a conductive workpiece | |
| CN107178909A (en) | High water tank control system and method, device | |
| CN207196955U (en) | High water tank control system and device | |
| CN110686900A (en) | Fuel cell engine test equipment with water-cooling heat dissipation function | |
| CN114165265A (en) | Electro-hydraulic main valve with integrated speed regulation function | |
| JP2000251921A (en) | Battery jar forming device for lead-acid battery and battery jar forming method | |
| CN104607732A (en) | Electrochemical machine tool for removing internal-crossing array small-hole burrs | |
| CN116505052A (en) | Negative pressure formation integrated machine and battery cell negative pressure formation method | |
| CN109273796A (en) | A kind of temperature automatically controlled energy storage mould group | |
| CN218108203U (en) | Coating device for lithium battery | |
| CN206595333U (en) | Fuel cell temperature difference monitoring system | |
| CN110311156B (en) | Control method of electronic injection liquid inlet device for fuel cell | |
| CN211924949U (en) | Novel temperature regulation control valve | |
| CN215640145U (en) | Engine oil consumption measuring and controlling device | |
| CN219918152U (en) | Feeder voltage regulating device | |
| CN219688481U (en) | Feeding device for ball bearing of radiator fan | |
| CN216882980U (en) | Automatic error compensation precision turning device based on unmanned aerial vehicle power motor part | |
| CN212571101U (en) | Water level adjusting device of charging cooling water tank | |
| CN217821222U (en) | Cooling device of furnace top gun camera | |
| CN213104952U (en) | Drainage plate connecting assembly | |
| CN220120307U (en) | Waterproof performance test fixture of battery | |
| CN214010480U (en) | Water level measuring device for hydraulic engineering detection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |