CN117117352A - Electric vehicle battery and diagnosis management system thereof - Google Patents
Electric vehicle battery and diagnosis management system thereof Download PDFInfo
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- CN117117352A CN117117352A CN202311156076.9A CN202311156076A CN117117352A CN 117117352 A CN117117352 A CN 117117352A CN 202311156076 A CN202311156076 A CN 202311156076A CN 117117352 A CN117117352 A CN 117117352A
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- 238000003745 diagnosis Methods 0.000 title claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000010030 laminating Methods 0.000 claims 1
- 230000008521 reorganization Effects 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 abstract description 14
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000004146 energy storage Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to the technical field of battery management systems, and discloses an electric vehicle battery and a diagnosis management system thereof, wherein the electric vehicle battery comprises two shells which are detachably arranged up and down and are mutually covered, a plurality of battery packs which are connected are sequentially arranged in the inner cavities of the two shells from top to bottom, an electric connection driving mechanism is arranged on the outer wall of one end of each battery pack, and the electric vehicle battery also comprises an infrared emitter, an infrared receiver, a temperature detector, an auxiliary power supply and a control module; the invention provides a diagnosis detection system provided with a series battery pack and a battery pack; the temperature and the form of a plurality of batteries connected in series in the battery pack in a running way are monitored through the infrared transmitter, the infrared receiver and the temperature detector, the abnormal state of the batteries is intelligently identified, the abnormal batteries are automatically removed, and the rest batteries are rebuilt, so that the battery pack can still continue to supply power, and the high-efficiency utilization and circuit protection of the batteries are realized.
Description
Technical Field
The invention relates to the technical field of battery management systems, in particular to an electric vehicle battery and a diagnosis management system thereof.
Background
The battery of the electric vehicle is a power source on the electric vehicle, most of the electric vehicle is provided with a lead-acid storage battery, the lead-acid storage battery has low cost and high cost performance, and the battery can be charged and can be repeatedly used, so the battery is called as a 'lead-acid storage battery', and the problems of gradual failure of electrolyte, consumption of electrolyte and the like can occur in the long-term use process of the energy storage battery.
The prior Chinese patent (CN 116231121B) discloses an energy storage battery management system, which relates to the technical field of energy storage batteries, wherein a server sends an abnormal state signal and an energy storage battery corresponding to the abnormal state signal to an equipment monitoring module; the device monitoring module is used for assigning monitoring staff to monitor the running state of the energy storage battery which works abnormally, overhauling the abnormal running state stage of the energy storage battery, comprehensively processing the power data, the energy consumption data of the energy storage battery and the energy difference data of the energy storage battery when the energy storage battery is charged and discharging through the state identification module, and identifying the using state of the energy storage battery.
However, if a plurality of storage batteries connected in series in the battery pack are abnormal or damaged, the whole series battery pack is broken, then driving electric energy during operation cannot be provided for the electric vehicle, the electric vehicle is anchored and cannot be used continuously, further, the temperature and the form of the plurality of storage batteries connected in series in the battery pack during operation are monitored, the abnormal state of the batteries is intelligently identified, the abnormal storage batteries are automatically removed, and the rest storage batteries are recombined, so that the battery pack can still be powered continuously, and the problem which needs to be solved is solved.
Therefore, a new electric vehicle battery and a diagnostic management system thereof are needed.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides an electric vehicle battery and a diagnosis management system thereof, which are used for solving the problems in the prior art that how to monitor the temperature and the form of a plurality of batteries connected in series in a battery pack during operation, intelligently identify the abnormal state of the battery, automatically reject the abnormal battery and reconstruct the residual battery so that the battery pack can still continue to supply power.
The invention provides the following technical scheme: the electric vehicle battery comprises two shells which are detachably arranged up and down and mutually covered, wherein a plurality of battery packs which are connected are sequentially arranged in the inner cavities of the two shells from top to bottom, and an outer wall at one end of each battery pack is provided with an electric connection driving mechanism;
the battery pack comprises a mounting frame, a protection frame, a storage battery, a first conductive block, a second conductive block and a conductive ring, wherein the mounting frame is fixedly arranged in an inner cavity of the shell, the protection frame is fixedly arranged on the inner wall of the mounting frame, the storage battery is detachably arranged in the middle of the inner cavity of the protection frame, the first conductive block and the second conductive block which are electrically connected with the anode and the cathode of the storage battery are respectively arranged on two sides of the outer wall body at one end of the protection frame, and the conductive ring is fixedly sleeved on the inner wall of the second conductive block;
the electric connection driving mechanism comprises a servo motor, a screw rod, sliding conductive blocks, a power transmission wire, a limiting groove and a bearing, wherein the servo motor and the bearing are fixedly arranged on wall bodies on two sides of the outer end of a mounting frame, an output shaft of the servo motor is fixedly sleeved with one end of the screw rod, the other end of the screw rod is fixedly limited on the wall body on the outer end of the mounting frame through the bearing connected with the screw rod in a transmission manner, the sliding conductive blocks movably attached to the inner wall of the first conductive block are sleeved on the surface threads of the screw rod, the power transmission wire is fixedly connected to one side wall of the sliding conductive block close to the servo motor, and the limiting groove arranged on the outer wall of the protective frame is fixedly arranged between the first conductive block and the second conductive block.
Further, the combination of the mounting frame, the protection frame and the storage battery in the plurality of battery packs is sequentially mounted inside the two covered shells from top to bottom, wherein the positive and negative poles of the storage battery are arranged on the two sides of the outer end of the storage battery from left to right, and the positive and negative poles of the plurality of storage batteries are uniformly set from top to bottom.
Further, in the battery pack sequentially arranged from top to bottom, the positive electrode of the odd-layer storage battery is electrically connected with the first conductive block, the negative electrode of the odd-layer storage battery is electrically connected with the second conductive block, the positive electrode of the even-layer storage battery is electrically connected with the second conductive block, and the negative electrode of the even-layer storage battery is electrically connected with the first conductive block.
Further, in the battery packs sequentially arranged from top to bottom, the electric connection driving mechanism arranged outside the odd-layer storage batteries and the electric connection driving mechanism arranged outside the even-layer storage batteries are arranged in a central symmetry mode by taking the middle point of the boundary line of the two battery packs as the axis.
Further, the second conductive block arranged at the negative electrode of the storage battery in the odd-layer battery pack is electrically connected with the second conductive block arranged at the positive electrode of the storage battery in the even-layer battery pack through a connecting wire.
Further, the outer wall of the limit groove is provided with a chute which is movably clamped with the inner end of the sliding conductive block, the inner sides of the first conductive block, the second conductive block and the conductive ring arranged on the inner wall of the second conductive block are provided with grooves which are used for movably penetrating the sliding conductive block, and the screw rod and the limit groove are made of insulating materials.
The utility model provides a diagnosis management system of electric motor car battery, is applied to the electric motor car battery of claim, still includes infrared transmitter, infrared receiver, temperature detector, auxiliary power source and control module, infrared transmitter and infrared receiver set up the both sides at the top bottom of installing the frame relatively, temperature detector installs on the lateral wall of installing frame and guard frame and temperature detector's temperature measurement end contacts with the table body of battery, the logical groove that carries out infrared transmission between infrared transmitter and the infrared receiver has been seted up to the lateral wall of installing frame and guard frame.
Further, after a certain storage battery gauge body bulges, infrared signals between the infrared emitter and the infrared receiver are transmitted, and then the infrared receiver can not receive infrared emission information output by the infrared emitter and outputs a shielding judgment signal to the control module, and the control module receives the shielding judgment signal and outputs a control instruction for the electric connection driving mechanism arranged on the fault storage battery.
Further, the temperature detector detects the temperature of the accumulator meter and generates temperature information, when the temperature information detected by a certain accumulator meter exceeds the set highest threshold temperature, the temperature detector outputs a temperature judgment signal to the control module, and the control module receives the temperature judgment signal and outputs a control instruction for the electric connection driving mechanism arranged on the fault accumulator.
Further, when the control module receives the shielding judgment signal or the temperature judgment signal, a driving control instruction for the electric connection driving mechanism installed on the fault storage battery is output, the output shaft of the servo motor is controlled to drive the screw rod connected with the electric connection driving mechanism to spin forward, the sliding conductive block sleeved on the surface of the screw rod is separated from the inner wall of the first conductive block along the surface of the limiting groove along with the forward spin of the screw rod, until the sliding conductive block moves to the inside of the second conductive block along the surface of the limiting groove, at the moment, the sliding conductive block is attached to the inner wall of the conductive ring installed on the inner wall of the second conductive block, and then the sliding conductive block, the conductive ring and the second conductive block are used for eliminating the fault storage battery and are communicated to form a new passage, and a transmission wire, the sliding conductive block, the conductive ring and the second conductive block in the electric connection driving mechanism are adjacently connected with the second conductive block, the storage battery and the first conductive block connected in the sliding conductive block through the connecting wire, and another transmission wire connected with the sliding conductive block in the first conductive block form a passage, namely, the connection relation of the rest storage battery is formed, so that the power supply performance is maintained.
The invention has the technical effects and advantages that:
the invention is beneficial to monitoring the temperature and the form of a plurality of batteries connected in series in the battery pack through the infrared emitter, the infrared receiver and the temperature detector when the batteries are operated, intelligently identifying the abnormal state of the batteries, further automatically eliminating the abnormal batteries and resetting the rest batteries, so that the battery pack still can continue to supply power, and automatically reintegrating the abnormally discharged batteries into an original circuit after the faults are eliminated, thereby realizing the high-efficiency utilization and circuit protection of the batteries.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is an exploded view of the overall structure of the present invention.
Fig. 3 is a schematic view of the structure of each component inside the housing of the present invention.
Fig. 4 is a schematic diagram of the structure of fig. 3 a according to the present invention.
Fig. 5 is a schematic diagram of the structure of fig. 3B according to the present invention.
Fig. 6 is a schematic diagram of the connection structure of the upper layer battery pack and infrared emitter and infrared receiver and temperature detector in fig. 3 according to the present invention.
Fig. 7 is a schematic flow chart of a control system for battery abnormality diagnosis and abnormality processing according to the present invention.
The reference numerals are: 1. a housing; 2. a battery pack; 201. a mounting frame; 202. a protective frame; 203. a storage battery; 204. a first conductive block; 205. a second conductive block; 206. a conductive ring; 3. the driving mechanism is electrically connected; 301. a servo motor; 302. a screw rod; 303. sliding the conductive block; 304. a power transmission wire; 305. a limit groove; 306. a bearing; 4. connecting wires; 5. an infrared emitter; 6. an infrared receiver; 7. a temperature detector; 8. an auxiliary power supply; 9. and a control module.
Detailed Description
The embodiments of the present invention will be clearly and completely described below with reference to the drawings in the present invention, and the configurations of the structures described in the following embodiments are merely examples, and the electric vehicle battery and the diagnostic management system thereof according to the present invention are not limited to the structures described in the following embodiments, and all other embodiments obtained by a person having ordinary skill in the art without making any inventive effort are within the scope of the present invention.
Referring to fig. 1-7, the invention provides an electric vehicle battery and a diagnosis management system thereof, which comprises two shells 1 which are detachably arranged up and down and mutually covered, wherein a plurality of battery packs 2 which are connected are sequentially arranged in the inner cavities of the two shells 1 from top to bottom, and an outer wall at one end of each battery pack 2 is provided with an electric connection driving mechanism 3;
the battery pack 2 comprises a mounting frame 201, a protection frame 202, a storage battery 203, a first conductive block 204, a second conductive block 205 and a conductive ring 206, wherein the mounting frame 201 is fixedly arranged in an inner cavity of the shell 1, the protection frame 202 is fixedly arranged on the inner wall of the mounting frame 201, the storage battery 203 is detachably arranged in the middle of the inner cavity of the protection frame 202, the first conductive block 204 and the second conductive block 205 which are electrically connected with the anode and the cathode of the storage battery 203 are respectively arranged on two sides of an outer wall body at one end of the protection frame 202, and the conductive ring 206 is fixedly sleeved on the inner wall of the second conductive block 205;
the electric connection driving mechanism 3 comprises a servo motor 301, a screw rod 302, a sliding conductive block 303, a power transmission wire 304, a limiting groove 305 and a bearing 306, wherein the servo motor 301 and the bearing 306 are fixedly installed on the wall bodies on two sides of the outer end of the installation frame 201, an output shaft of the servo motor 301 is fixedly sleeved with one end of the screw rod 302, the other end of the screw rod 302 is fixedly limited on the wall body on the outer end of the installation frame 201 through the bearing 306 in transmission connection with the screw rod, the sliding conductive block 303 movably attached to the inner wall of the first conductive block 204 is sleeved on the surface thread of the screw rod 302, the power transmission wire 304 is fixedly connected to one side wall of the sliding conductive block 303 close to the servo motor 301, and the limiting groove 305 installed on the outer wall of the protection frame 202 is fixedly arranged between the first conductive block 204 and the second conductive block 205.
In this embodiment, it is to be specifically explained that the plurality of battery packs 2 are sequentially connected from top to bottom and disposed in the inner cavities of the two covered housings 1, and fig. 2 and 3 show the structure of the two battery packs 2 and the connection relationship thereof as a representative, and in the actual use process, the connection relationship of the plurality of battery packs 2 is sequentially disposed from top to bottom and is identical to the structure of the two battery packs 2 and the connection relationship thereof shown in fig. 2 and 3, so that the detailed description of the embodiment is omitted.
The combination of the mounting frames 201, the protection frames 202 and the storage batteries 203 in the plurality of battery packs 2 are sequentially mounted in the two covered shells 1 from top to bottom, wherein the positive and negative electrodes of the storage batteries 203 are arranged on the two sides of the outer ends of the storage batteries 203 from left to right, and the positive and negative electrodes of the plurality of storage batteries 203 are uniformly set from top to bottom;
in the battery pack 2 sequentially arranged from top to bottom, the positive electrode of the odd-layer storage battery 203 is electrically connected with the first conductive block 204, the negative electrode of the odd-layer storage battery 203 is electrically connected with the second conductive block 205, the positive electrode of the even-layer storage battery 203 is electrically connected with the second conductive block 205, and the negative electrode of the even-layer storage battery 203 is electrically connected with the first conductive block 204;
in the battery packs 2 sequentially arranged from top to bottom, an electric connection driving mechanism 3 installed outside the odd-layer storage battery 203 and an electric connection driving mechanism 3 installed outside the even-layer storage battery 203 are arranged in a central symmetry manner by taking the middle point of the boundary line between the two battery packs 2 as an axis, for example, a servo motor 301 installed in the odd-layer electric connection driving mechanism 3 is arranged on the right side, a servo motor 301 installed in the even-layer electric connection driving mechanism 3 is arranged on the left side, and other structures in the electric connection driving mechanism 3 are also arranged in a symmetrical manner in the same center and marked in fig. 3;
the second conductive block 205 arranged at the negative electrode of the storage battery 203 in the odd-layer battery pack 2 is electrically connected with the second conductive block 205 arranged at the positive electrode of the storage battery 203 in the even-layer battery pack 2 through a connecting wire 4;
the outer wall of the limiting groove 305 is provided with a sliding groove which is movably clamped with the inner end of the sliding conductive block 303, and the inner sides of the first conductive block 204, the second conductive block 205 and the conductive ring 206 arranged on the inner wall of the second conductive block 205 are provided with grooves for the sliding conductive block 303 to movably penetrate;
the screw rod 302 and the limiting groove 305 are made of insulating materials, so that the electric current can directly build the electric connection between the first conductive block 204 and the second conductive block 205 without passing through the screw rod 302 or the limiting groove 305.
Referring to fig. 3 and 6 and 7, an electric vehicle battery and a diagnosis management system thereof further include an infrared emitter 5, an infrared receiver 6, a temperature detector 7, an auxiliary power supply 8 and a control module 9, wherein the infrared emitter 5 and the infrared receiver 6 are oppositely arranged at two sides of the top and bottom of the mounting frame 201, the temperature detector 7 is arranged on the side walls of the mounting frame 201 and the protection frame 202, and the temperature measuring end of the temperature detector 7 is in contact with the surface body of the storage battery 203;
after the surface of a certain storage battery 203 bulges, the infrared signal between the infrared emitter 5 and the infrared receiver 6 is blocked, and then the infrared receiver 6 can not receive the infrared emission information output by the infrared emitter 5, and then a blocking judgment signal is output to the control module 9, and the control module 9 receives the blocking judgment signal and outputs a control instruction for the electric connection driving mechanism 3 arranged on the fault storage battery 203;
when the temperature information detected by the surface body of one of the storage batteries 203 exceeds the set maximum threshold temperature, the temperature detector 7 outputs a temperature determination signal to the control module 9, and the control module 9 receives the temperature determination signal and outputs a control command for the drive mechanism 3 electrically connected to the faulty storage battery 203.
In this embodiment, it should be specifically described that the output end of the auxiliary power supply 8 is electrically connected with the input ends of the infrared emitter 5, the infrared receiver 6, the temperature detector 7 and the control module 9 respectively, and only provides operation electric energy for the infrared emitter 5, the infrared receiver 6, the temperature detector 7 and the control module 9, and the auxiliary power supply 8 and the storage battery 203 are independent circuits respectively, and do not interfere with each other;
the side walls of the mounting frame 201 and the protection frame 202 are provided with through grooves for infrared transmission between the infrared emitter 5 and the infrared receiver 6.
The working principle of the invention is as follows:
s1, after a certain accumulator 203 has a bulge, transmitting infrared signals between the infrared emitter 5 and the infrared receiver 6, and further, outputting a shielding judgment signal to the control module 9 due to the fact that the infrared receiver 6 cannot receive infrared emission information output by the infrared emitter 5, and further, receiving the shielding judgment signal by the control module 9 and outputting a control instruction for electrically connecting the driving mechanism 3 on the fault accumulator 203;
s2, detecting the temperature of the surface body of the storage battery 203 through the temperature detector 7 and generating temperature information, and when the temperature information detected by the surface body of one storage battery 203 exceeds the set highest threshold temperature, outputting a temperature judgment signal to the control module 9 through the temperature detector 7, receiving the temperature judgment signal through the control module 9 and outputting a control instruction for electrically connecting the driving mechanism 3 on the fault storage battery 203;
s3, when a shielding judgment signal or a temperature judgment signal is received through the control module 9, a driving control instruction for electrically connecting the driving mechanism 3 on the fault storage battery 203 is output, the output shaft of the servo motor 301 is controlled to drive the screw rod 302 connected with the fault storage battery 203 to spin forward, the sliding conductive block 303 sleeved on the surface of the screw rod 302 is separated from the inner wall of the first conductive block 204 along the surface of the limit groove 305 along with the forward spin of the screw rod 302, until the sliding conductive block 303 moves to the inside of the second conductive block 205 along the surface of the limit groove 305, at the moment, the sliding conductive block 303 is attached to the inner wall of the conductive ring 206 arranged on the inner wall of the second conductive block 205, then the sliding conductive block 303, the conductive ring 206 and the second conductive block 205 reject the fault storage battery 203 to be communicated with each other, a new path is formed, and a transmission wire 304, the sliding conductive block 303, the conductive ring 206 and the second conductive block 205 in the electric connection driving mechanism 3 are adjacently connected with the sliding conductive block 205 through the connecting wire 4, namely, the second conductive block 205 and the second conductive block 204 in the other electric connection driving mechanism 3 are still connected with each other through the connecting wire 4, and the other conductive path is still connected with the other, namely, the power transmission wire 203 can be connected with the other through the sliding conductive block 203, and the other storage battery 2 is still connected;
s4, after the surface body of the fault storage battery 203 is subjected to bulge maintenance or high-temperature elimination, at the moment, infrared transmission between the infrared emitter 5 and the infrared receiver 6 is restored again, and when the temperature detection value of the surface body of the storage battery 203 by the temperature detector 7 is lower than a temperature threshold value, then both the temperature detection value and the temperature detection value output a reset judgment command to the control module 9, the control module 9 receives the reset judgment command, the output pair outputs a reset driving control command for electrically connecting the driving mechanism 3 installed on the fault storage battery 203, the output shaft of the servo motor 301 is controlled to drive the lead screw 302 connected with the lead screw 302 to reversely spin, the sliding conductive block 303 sleeved on the surface of the lead screw 302 is separated along the surface of the limiting groove 305, and is moved from the inner wall of the conductive ring 206 installed on the inner wall of the second conductive block 205 until the sliding conductive block 303 is moved into the inside the first conductive block 204 along the surface of the limiting groove 305, at the moment, the sliding conductive block 303 is attached to the inner wall of the first conductive block 204 again, then the fault-removed storage battery 203 is connected into a circuit again, and then the lead wire 304 in the electric connecting driving mechanism 3 is connected with the lead wire 205, the second conductive block 203 and the adjacent conductive block 203 are connected with the second conductive block 204 in the initial conductive path 204 through the other conductive path 204, and the other conductive path 204 is connected with the first conductive block 204 and the second conductive block 204 in the initial conductive path 204, and the conductive path 204 is formed by connecting the conductive state with the lead wire and the conductive block 204 in the second conductive block 204 and the second conductive block 204;
s5, performing the cyclic control steps of S1-S4 to monitor the temperature and the form of the plurality of batteries 203 connected in series in the battery pack 2 during operation, intelligently identify the abnormal state of the batteries, automatically reject the abnormal batteries 203 and re-establish the residual batteries 203 so as to continuously supply power to the battery pack 2.
The above is only one preferred specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art will be within the technical scope of the present invention; equivalent substitutions or modifications are made according to the technical plan of the present invention and its modified idea, which should be included under the protection of the present invention.
Claims (10)
1. The utility model provides an electric motor car battery, is provided with two shells (1) that mutually cover including upper and lower demountable installation, its characterized in that: a plurality of battery packs (2) which are connected are sequentially arranged in the inner cavities of the two shells (1) from top to bottom, and an electric connection driving mechanism (3) is arranged on the outer wall of one end of each battery pack (2);
the battery pack (2) comprises a mounting frame (201), a protection frame (202), a storage battery (203), a first conductive block (204), a second conductive block (205) and a conductive ring (206), wherein the mounting frame (201) is fixedly arranged in an inner cavity of the shell (1), the protection frame (202) is fixedly arranged on the inner wall of the mounting frame (201), the storage battery (203) is detachably arranged in the middle of the inner cavity of the protection frame (202), the two sides of the outer wall body at one end of the protection frame (202) are respectively provided with the first conductive block (204) and the second conductive block (205) which are electrically connected with the anode and the cathode of the storage battery (203), and the conductive ring (206) is fixedly sleeved on the inner wall of the second conductive block (205);
the utility model provides an electricity connection actuating mechanism (3) include servo motor (301), lead screw (302), slip conducting block (303), transmission line (304), spacing groove (305) and bearing (306), wherein servo motor (301) and bearing (306) are all fixed mounting on the wall of installing frame (201) outer end both sides, the output shaft of servo motor (301) is fixed cup joint with one end of lead screw (302), the other end of lead screw (302) is fixed spacing on the wall of installing frame (201) outer end through bearing (306) of being connected with it, the surface screw thread of lead screw (302) cup joints slip conducting block (303) with first conducting block (204) inner wall activity laminating, a side wall fixedly connected with transmission line (304) that slip conducting block (303) are close to servo motor (301), fixedly between first conducting block (204) and second conducting block (205) are provided with spacing groove (305) of installing on protecting frame (202) outer wall.
2. An electric vehicle battery as claimed in claim 1, wherein: the combination of the mounting frame (201), the protection frame (202) and the storage battery (203) in the plurality of battery packs (2) is sequentially mounted inside the two covered shells (1) from top to bottom, wherein the positive and negative poles of the storage battery (203) are arranged on the two sides of the outer end of the storage battery (203) from left to right, and the positive and negative poles of the plurality of storage batteries (203) are all set in a unified direction from top to bottom.
3. An electric vehicle battery as claimed in claim 1, wherein: in the battery pack (2) which is sequentially arranged from top to bottom, the positive electrode of the odd-layer storage battery (203) is electrically connected with the first conductive block (204), the negative electrode of the odd-layer storage battery (203) is electrically connected with the second conductive block (205), and the positive electrode of the even-layer storage battery (203) is electrically connected with the second conductive block (205), and the negative electrode of the even-layer storage battery (203) is electrically connected with the first conductive block (204).
4. An electric vehicle battery as claimed in claim 1, wherein: in the battery packs (2) which are sequentially arranged from top to bottom, an electric connection driving mechanism (3) which is arranged outside the odd-layer storage batteries (203) and an electric connection driving mechanism (3) which is arranged outside the even-layer storage batteries (203) are arranged in a central symmetry way by taking the middle point of the boundary line of the two battery packs (2) as an axis.
5. An electric vehicle battery as claimed in claim 1, wherein: the second conductive blocks (205) arranged at the negative electrode of the storage battery (203) in the odd-layer battery pack (2) are electrically connected with the second conductive blocks (205) arranged at the positive electrode of the storage battery (203) in the even-layer battery pack (2) through connecting wires (4).
6. An electric vehicle battery as claimed in claim 1, wherein: the outer wall of the limit groove (305) is provided with a chute which is movably clamped with the inner end of the sliding conductive block (303), the inner sides of the first conductive block (204) and the second conductive block (205) and the conductive ring (206) arranged on the inner wall of the second conductive block (205) are provided with grooves which are used for the sliding conductive block (303) to movably penetrate, and the screw rod (302) and the limit groove (305) are made of insulating materials.
7. The diagnosis management system of the electric vehicle battery is characterized by being applied to the electric vehicle battery according to any one of claims 1-6, and further comprising an infrared emitter (5), an infrared receiver (6), a temperature detector (7), an auxiliary power supply (8) and a control module (9), wherein the infrared emitter (5) and the infrared receiver (6) are oppositely arranged on two sides of the top bottom of the mounting frame (201), the temperature detector (7) is mounted on the side walls of the mounting frame (201) and the protection frame (202), the temperature measuring end of the temperature detector (7) is in contact with the surface body of the storage battery (203), and through grooves for infrared transmission between the infrared emitter (5) and the infrared receiver (6) are formed in the side walls of the mounting frame (201) and the protection frame (202).
8. The diagnostic management system for an electric vehicle battery according to claim 7, wherein: after the surface of a certain storage battery (203) bulges, infrared signals between the infrared emitter (5) and the infrared receiver (6) are transmitted, and then the infrared receiver (6) can not receive infrared emission information output by the infrared emitter (5), and a shielding judgment signal is output to the control module (9), and then the control module (9) receives the shielding judgment signal and outputs a control instruction for electrically connecting the driving mechanism (3) on the fault storage battery (203).
9. The diagnostic management system for an electric vehicle battery according to claim 7, wherein: the temperature detector (7) detects the temperature of the meter body of the storage battery (203) and generates temperature information, when the temperature information detected by the meter body of one storage battery (203) exceeds the set highest threshold temperature, the temperature detector (7) outputs a temperature judgment signal to the control module (9), and the control module (9) receives the temperature judgment signal and outputs a control instruction for the electric connection driving mechanism (3) arranged on the fault storage battery (203).
10. The diagnostic management system for an electric vehicle battery according to claim 7, wherein: when a shielding judgment signal or a temperature judgment signal is received through a control module (9), a driving control instruction for electrically connecting a driving mechanism (3) on a fault storage battery (203) is output, an output shaft of a servo motor (301) is controlled to drive a screw rod (302) connected with the driving mechanism to spin forward, a sliding conductive block (303) which is sleeved on the surface of the screw rod (302) along the surface of a limiting groove (305) is separated from the inner wall of a first conductive block (204) until the sliding conductive block (303) moves to the inside of a second conductive block (205) along the surface of the limiting groove (305), at the moment, the sliding conductive block (303) is attached to the inner wall of a conductive ring (206) arranged on the inner wall of the second conductive block (205), the sliding conductive block (303), the conductive ring (206) and the second conductive block (205) are further removed from the fault storage battery (203) to be communicated, a new path is formed, and a conductive wire (304), the sliding conductive block (206) in the electric connection driving mechanism (3), the conductive block (205) and the second conductive block (205) are electrically connected with the adjacent conductive block (203) through the other conductive wire (4) in the driving mechanism (203) The first conductive block (204) and the sliding conductive block (303) connected inside the first conductive block (204) form a passage, namely, a reorganization residual storage battery connection relationship, with another power transmission wire (304) connected with the sliding conductive block (303) so as to enable the battery pack (2) to continuously supply power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311156076.9A CN117117352A (en) | 2023-09-07 | 2023-09-07 | Electric vehicle battery and diagnosis management system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311156076.9A CN117117352A (en) | 2023-09-07 | 2023-09-07 | Electric vehicle battery and diagnosis management system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117117352A true CN117117352A (en) | 2023-11-24 |
Family
ID=88810814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311156076.9A Withdrawn CN117117352A (en) | 2023-09-07 | 2023-09-07 | Electric vehicle battery and diagnosis management system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117117352A (en) |
-
2023
- 2023-09-07 CN CN202311156076.9A patent/CN117117352A/en not_active Withdrawn
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Application publication date: 20231124 |