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CN-122017614-A - Rapid capacity detection device and method for lead-acid storage battery

CN122017614ACN 122017614 ACN122017614 ACN 122017614ACN-122017614-A

Abstract

The invention belongs to the technical field of capacity detection of lead-acid storage batteries, and particularly provides a capacity rapid detection device and method for a lead-acid storage battery, comprising a testing machine, a testing table is arranged in the testing machine, a battery to be tested is placed in the testing table, a testing component is arranged at the top of the testing table, the testing component comprises a cylinder, the cylinder is arranged at the top of the testing table, the cylinder drives the ejector plate to move up and down, a sliding rod is slidably arranged on a top plate of the test board, a bottom push plate is arranged at the lower end of the sliding rod, the ejector plate is arranged at the upper end of the sliding rod, the first magnetic isolation sleeve and the second magnetic isolation sleeve are arranged on the bottom push plate, the bottom push plate moves downwards, and the conductive copper sheets in the first magnetic isolation sleeve and the second magnetic isolation sleeve are connected with positive and negative electrodes on a battery to be tested to be communicated with the battery to be tested. The invention can directly analyze the reasons of the problems such as voltage drop or battery heating and the like, and improves the efficiency of equipment analysis of the problems.

Inventors

  • ZHOU XINGHUA
  • CAI WEI
  • AI YUANGAO
  • PENG WEIDONG
  • ZHANG YUANDONG
  • LIN SHUSHENG

Assignees

  • 中国长江电力股份有限公司
  • 珠海伊托科技有限公司

Dates

Publication Date
20260512
Application Date
20260202

Claims (14)

  1. 1. A capacity quick detection device for lead acid battery, a serial communication port, including test machine (1), test machine (1) internally mounted testboard (7), test board (7) inside are placed and are surveyed battery (8), test board (7) top installation test subassembly (9), test subassembly (9) are including cylinder (901), test board (7) top installation cylinder (901), cylinder (901) drive push pedal (904) reciprocates, slide bar (905) is installed on the roof of test board (7) in the slip, push pedal (907) is installed to slide bar (905) lower extreme, install push pedal (904) in the upper end, install magnetism isolating sleeve one (908) and magnetism isolating sleeve two (917) on push pedal (907) down, connect magnetism isolating sleeve one (908) and magnetism isolating magnetism sleeve two (917) inside conductive copper sheet (912) and the positive negative electrode (10) on being surveyed battery (8) and communicate to being surveyed battery (8).
  2. 2. The rapid capacity detection device for lead-acid batteries according to claim 1, characterized in that the positive and negative electrodes (10) comprise a first copper pillar (101) and a second copper pillar (102).
  3. 3. The rapid capacity detection device for the lead-acid storage battery according to claim 2, wherein a groove (103) is formed between the first copper guide pillar (101) and the second copper guide pillar (102), insulating adhesive tapes (913) are installed on the inner walls of the first magnetism isolating sleeve (908) and the second magnetism isolating sleeve (917), the insulating adhesive tapes (913) are attached to the outer walls of the positive electrode and the negative electrode (10), and the insulating adhesive tapes (913) are matched with the groove (103).
  4. 4. The rapid capacity detection device for a lead-acid storage battery according to claim 1, wherein a decompression switch (915) and an emergency power switch (918) which can move up and down are respectively arranged in the first magnetism isolating sleeve (908) and the second magnetism isolating sleeve (917), the decompression switch (915) is electrically connected with a voltage regulator of the testing machine (1), and the emergency power switch (918) is used for measuring on-off of a circuit.
  5. 5. The rapid capacity detection device for a lead-acid storage battery according to claim 4, wherein a guide sleeve (910) is fixedly installed on the bottom push plate (907), driven inclined blocks (914) are installed at the tops of the pressure-reducing switch (915) and the emergency power switch (918), springs two (916) are installed at the bottoms of the pressure-reducing switch and the emergency power switch, a guide rod (919) is transversely and slidably installed in the guide sleeve (910), driving inclined blocks (911) are installed at two ends of the guide rod (919), the driving inclined blocks (911) at one end of the guide rod (919) are matched with the driven inclined blocks (914) at the top of the pressure-reducing switch (915), and the driving inclined blocks (911) at the other end of the guide rod (919) are matched with the driven inclined blocks (914) at the top of the emergency power switch (918).
  6. 6. The device for rapidly detecting the capacity of a lead-acid storage battery according to claim 5, wherein an adsorption magnetic block (920) is arranged in the middle of the guide rod (919), an electromagnetic chuck I (921) and an electromagnetic chuck II (922) are respectively arranged on inner side walls of two ends of the guide sleeve (910), when the electromagnetic chuck I (921) is electrified, the electromagnetic chuck I (921) adsorbs the magnetic block (920), when the electromagnetic chuck II (922) is electrified, the electromagnetic chuck II (922) adsorbs the magnetic block (920), and the electromagnetic chuck I (921) and the electromagnetic chuck II (922) cannot be electrified at the same time.
  7. 7. The rapid capacity detection device for a lead-acid battery according to claim 6, wherein the electromagnetic chuck one (921) is located at one end of the guide sleeve (910) close to the pressure reducing switch (915), and the electromagnetic chuck two (922) is located at the other end.
  8. 8. The rapid capacity detection device for the lead-acid storage battery according to claim 1, wherein the output end of the air cylinder (901) is connected with an active pushing plate (902), a magnetic attraction plate (903) is arranged on the active pushing plate (902), an electromagnetic disc (906) is arranged at the bottom of the pushing plate (904), and the electromagnetic disc (906) is used for adsorbing the magnetic attraction plate (903).
  9. 9. The capacity rapid inspection apparatus for lead acid storage battery as claimed in claim 8, wherein the bottom push plate (907) is connected to the top plate of the test bench (7) through a return spring (909).
  10. 10. The rapid capacity detection device for the lead-acid storage battery according to claim 1, wherein a box door (4) is arranged on the testing machine (1), a heat dissipation piece (5) is arranged on the side wall of the testing machine (1), and a main control machine (2) is arranged on the testing machine (1).
  11. 11. The rapid capacity detection device for the lead-acid storage battery according to claim 1, wherein a handle (3) is arranged on the testing machine (1), and wheels (6) are arranged at the bottom of the testing machine (1).
  12. 12. The rapid capacity detection device for the lead-acid storage battery according to claim 1, wherein a plastic shell (11) is arranged at the top of the battery (8) to be detected, the plastic shell (11) surrounds the positive electrode (10), and a gap for inserting the first magnetism isolating sleeve (908) and the second magnetism isolating sleeve (917) is arranged between the positive electrode (10) and the plastic shell (11).
  13. 13. The detection method for the capacity rapid detection device for the lead-acid storage battery according to claim 7, wherein the positive electrode (10) comprises a first copper guide pillar (101) and a second copper guide pillar (102), a groove (103) is formed between the first copper guide pillar (101) and the second copper guide pillar (102), an insulating adhesive tape (913) is arranged on the inner wall of a first magnetism isolating sleeve (908) and the inner wall of a second magnetism isolating sleeve (917), the insulating adhesive tape (913) is attached to the outer wall of the positive electrode (10), the insulating adhesive tape (913) is matched with the groove (103), the output end of a cylinder (901) is connected with an active push plate (902), a magnetic suction plate (903) is arranged on the active push plate (902), an electromagnetic disc (906) is arranged at the bottom of the push plate (904), the electromagnetic disc (906) is used for adsorbing the magnetic suction plate (903), and the bottom push plate (907) is connected with the top plate of the test bench (7) through a reset spring (909); The method comprises the following steps: Step one, placing a battery (8) to be tested in a test table (7) in a test machine (1), and enabling positive and negative electrodes (10) at the top of the battery (8) to correspond to the positions of a first magnetism isolating sleeve (908) and a second magnetism isolating sleeve (917) of a test assembly (9) respectively; Step two, an electromagnetic disc (906) at the bottom of a pushing plate (904) is electrified, so that the electromagnetic disc (906) adsorbs a magnetic suction plate (903), a cylinder (901) is started, the cylinder (901) drives an active pushing plate (902), the pushing plate (904) and a bottom pushing plate (907) to synchronously move downwards, the bottom pushing plate (907) drives a first magnetism isolating sleeve (908) and a second magnetism isolating sleeve (917) to be sleeved outside a positive electrode (10), the first magnetism isolating sleeve (908) and a conductive copper sheet (912) in the second magnetism isolating sleeve (917) are connected with a first copper guide pillar (101), and a reset spring (909) connected with the bottom pushing plate (907) is stretched; Measuring voltage, internal resistance and charge-discharge characteristic parameters of a battery (8) to be tested by the testing machine (1), and isolating the interference of an external magnetic field on connection of the conductive copper sheet (912) and the positive and negative electrodes (10) by the first magnetism isolating sleeve (908) and the second magnetism isolating sleeve (917) in the testing process; If the voltage drops or the battery (8) to be tested heats up in the detection process, the cylinder (901) is started again to drive the bottom push plate (907) to move downwards, the conductive copper sheet (912) is gradually connected with the second copper guide post (102) to increase the contact area and reduce the contact resistance, if the measured voltage is obviously raised and the battery (8) to be tested heats up and is relieved, the judgment problem is caused by the connection end of the battery (8) to be tested and the test component (9), the electromagnetic chuck I (921) is electrified, the electromagnetic chuck I (921) adsorbs the magnetic suction block (920) in the middle of the guide rod (919), the guide rod (919) is driven to move towards the direction of the decompression switch (915), the active oblique block (911) at one end of the guide rod (919) is matched with the driven oblique block (914) at the top of the decompression switch (915), the decompression switch (915) is moved downwards to be lower than the emergency power switch (918), the positive and negative electrodes (10) press the decompression switch (915) along with the continuous downward movement of the bottom push plate (907), the voltage of the test machine (1) is slowly lowered to measure the circuit voltage to zero, and the test is stopped smoothly; If the measured voltage continuously drops or slowly drops and the measured battery (8) is still severely heated, the judgment problem is caused by the inside of the measured battery (8), the electromagnetic chuck II (922) far away from one end of the pressure reducing switch (915) in the guide sleeve (910) is electrified, the electromagnetic chuck II (922) adsorbs the magnetic attraction block (920) to drive the guide rod (919) to move towards the direction of the emergency power switch (918), the driving inclined block (911) at the other end of the guide rod (919) is matched with the driven inclined block (914) at the top of the emergency power switch (918), so that the emergency power switch (918) is moved downwards to be lower than the pressure reducing switch (915), the positive electrode (10) presses the emergency power switch (918) along with the continuous downward movement of the bottom push plate (907), and the power supply of the measuring circuit is directly disconnected.
  14. 14. The method according to claim 13, wherein in the third step, if the measuring circuit is shorted, the electromagnetic disc (906) connected to the measuring circuit is powered off, the return spring (909) rebounds to drive the bottom push plate (907), the first magnetism isolating sleeve (908) and the second magnetism isolating sleeve (917) to reset, and the test assembly (9) is disconnected from the battery (8) under test.

Description

Rapid capacity detection device and method for lead-acid storage battery Technical Field The invention belongs to the technical field of capacity detection of lead-acid storage batteries, and particularly relates to a capacity rapid detection device and method for a lead-acid storage battery. Background Lead-acid batteries are widely used in many industries and daily life, such as electric vehicles, motorcycles, communication base stations, and the like. The traditional lead-acid storage battery detection method mainly depends on long-time discharge test, and the method is long in time consumption, high in cost and pollution to the environment to a certain extent, and the traditional detection method is replaced by a professional instrument detection method in the prior art. The accumulator detector is a special instrument for lead-acid accumulator, and generally integrates various detection principles, such as measuring the voltage, internal resistance, charge-discharge characteristics and other parameters of the accumulator, and combining with built-in algorithm and standard curve to quickly and accurately judge the capacity and health state of the accumulator. The battery detector is connected to the anode and the cathode of the battery, and the battery detector operates according to the prompt of an operation interface of the detector, such as selecting parameters of battery type, rated voltage, capacity and the like, and then starts a detection program. The instrument can automatically complete various tests and display the capacity, internal resistance, health state and other information of the battery. In the detection process of the detector, if the problems of rapid voltage drop, battery heating and the like occur, the reasons mainly include two aspects, namely, the problem of the connecting end of the battery and the detector, which is possibly caused by overlarge contact resistance of the battery, local overheating, inaccurate voltage measurement caused by heating, and the problem of the inside of the battery, which is possibly caused by internal short circuit of the battery or serious pole plate vulcanization. The tester in the prior art needs to analyze reasons one by one when the problems occur, has slower efficiency and wastes time. Disclosure of Invention The invention aims to solve the technical problem of providing a device and a method for rapidly detecting the capacity of a lead-acid storage battery, which not only can detect the lead-acid storage battery, but also can directly analyze the reasons of voltage drop or battery heating. In order to solve the technical problems, the technical scheme includes that the capacity rapid detection device for the lead-acid storage battery comprises a testing machine, a testing table is arranged in the testing machine, a battery to be tested is placed in the testing table, a testing component is arranged at the top of the testing table and comprises a cylinder, the cylinder is arranged at the top of the testing table and drives a pushing plate to move up and down, a sliding rod is arranged on a top plate of the testing table in a sliding manner, a bottom pushing plate is arranged at the lower end of the sliding rod, the pushing plate is arranged at the upper end of the sliding rod, a first magnetism isolating sleeve and a second magnetism isolating sleeve are arranged on the bottom pushing plate, the bottom pushing plate moves downwards, and conductive copper sheets in the first magnetism isolating sleeve and the second magnetism isolating sleeve are connected with positive electrodes and negative electrodes on the battery to be tested to be communicated with the battery to be tested. In a preferred scheme, the positive electrode and the negative electrode comprise a first copper guide pillar and a second copper guide pillar. In the preferred scheme, set up the recess between first copper guide pillar and the second copper guide pillar, separate magnetism cover one and separate magnetism cover two inner walls and install insulating adhesive tape, insulating adhesive tape and positive and negative electrode outer wall laminating, and insulating adhesive tape and recess cooperation. In the preferred scheme, the first magnetism isolating sleeve and the second magnetism isolating sleeve are internally provided with a pressure reducing switch and an emergency power switch which can move up and down respectively, the pressure reducing switch is electrically connected with a pressure regulator of the testing machine, and the emergency power switch is used for measuring the on-off state of a circuit. In the preferred scheme, fixed mounting guide pin bushing on the push pedal of end, the driven sloping block is all installed at decompression switch and emergency power switch top, and spring two is all installed to the bottom, horizontal slidable mounting guide arm in the guide pin bushing, the initiative sloping block is installed respectively at guide arm bo