CN110703111A - Novel storage battery double-flow alternating-measurement nuclear capacity testing machine - Google Patents
Novel storage battery double-flow alternating-measurement nuclear capacity testing machine Download PDFInfo
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- CN110703111A CN110703111A CN201911003142.2A CN201911003142A CN110703111A CN 110703111 A CN110703111 A CN 110703111A CN 201911003142 A CN201911003142 A CN 201911003142A CN 110703111 A CN110703111 A CN 110703111A
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- 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]
- G01R31/385—Arrangements for measuring battery or accumulator variables
- G01R31/387—Determining ampere-hour charge capacity or SoC
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention provides a novel storage battery double-flow cross-testing nuclear capacity testing machine, which structurally comprises a carrying handle, a display screen, a discharge rate adjusting rotary piece, a double-flow cross-testing device, a nuclear capacity testing box body and a high-row side fan, wherein the bottom end of the carrying handle is fixedly connected to the top end of the nuclear capacity testing box body in an electric welding mode, the display screen is installed on the front end face of the nuclear capacity testing box body in an embedding mode, the double-flow cross-testing device is installed inside the front end face of the nuclear capacity testing box body in an embedding mode, in the process of connecting tapping ports of a main control storage battery through a conducting rod, a part of current storage capacity of the main control storage battery is supplemented, thereby orderly finishing control and handover, finishing the core capacity test of all the storage battery packs in the same place in a short time, and discharge in the nuclear capacity test can be recovered through conversion, so that the loss condition of the nuclear capacity current of the same times can be reduced, and the main control storage battery pack can be quickly recovered to a use state.
Description
Technical Field
The invention belongs to the field of storage batteries, and particularly relates to a novel storage battery pack double-flow alternating-measurement nuclear capacity testing machine.
Background
In order to ensure safety, the storage battery pack in the power switching station needs to be checked for internal capacity every year when the storage battery pack is in an operating state, and because a station cannot stop, a detection supply standby storage battery is usually arranged so that the storage battery pack in the station can maintain normal power supply requirements during detection.
Based on the above description, the inventor finds that the existing novel storage battery pack dual-flow cross-testing nuclear capacity testing machine mainly has the following defects, for example:
because the capacity of reserve battery group is difficult to compare with main control storage battery group, and main control storage battery group is discharging the back, need a period of time to carry out the interior power and continue long-pending, reserve battery group need maintain can supply power switching after it finishes the power supply to mend again, the inspector need be after reserve battery switching is accomplished, replenish the power again and just can carry out the capacity to it and check, and the two-way loss of power both useless the consumed the energy, need spend more time in same switching station simultaneously and just can accomplish the maintenance of inside all batteries and check.
Disclosure of Invention
In order to solve the technical problems, the invention provides a novel storage battery double-flow alternating-current capacity checking machine, which aims to solve the problems that the capacity of a standby battery pack is difficult to compare with that of a main control storage battery pack, the main control storage battery pack needs a period of time for internal power supply continuous accumulation after discharging, the standby battery pack can be subjected to power supply switching after the standby battery pack completes power supply re-supplement, a detector needs to replenish a power supply again after the standby battery is switched, the capacity of the standby battery pack can be checked, the bidirectional loss of the power supply consumes useless energy, and the maintenance and checking of all internal storage batteries can be completed within a long time in the same switching station.
Aiming at the defects of the prior art, the purpose and the effect of the novel storage battery pack double-flow alternating-testing nuclear capacity testing machine are achieved by the following specific technical means: the utility model provides a novel storage battery double-flow is handed over and is surveyed nuclear and hold test machine, its structure includes that carrying handle, display screen, the speed regulation of discharging revolve piece, double-flow volume and hand over survey device, nuclear and hold test box, high row side fan, the carrying handle bottom adopts the mode fixed connection of electric welding to hold test box top in the nuclear, the display screen is installed at the positive terminal surface of nuclear appearance test box through the mode of inlaying, double-flow is handed over the mode of surveying device through the embedding and is installed inside the positive terminal surface of nuclear appearance test box, the speed regulation of discharging revolves a fixed mounting under double-flow is handed over the survey device.
The double-flow intersection measuring device comprises a release pipe, an intersection sleeve, a double-flow transit mechanism and an intersection measuring point limiting sleeve, wherein the release pipe is inserted into the intersection sleeve, the inner surface of the intersection measuring point limiting sleeve is attached to the outer surface of the double-flow transit mechanism, the release pipe is fixedly connected with the double-flow transit mechanism, and the outer surface of the intersection measuring point limiting sleeve is welded on the right side of the front end face of the nuclear capacity testing box.
Preferably, the double-flow adapter mechanism comprises a sleeving restriction sheet, a conductive rod, a matching groove, a hidden adapter mechanism and three auxiliary pressing mechanisms, the top end of the sleeved constraint sheet and the bottom end of the cross measuring point limiting sleeve are of an integrated structure, the top end of the conducting rod is arranged in the three auxiliary beam pressing mechanisms in an embedded mode, the bottom end of the conducting rod is provided with a matching groove, the hidden switching mechanism is fixedly arranged at the back of the conducting rod, when the conducting rod is inserted into the storage battery component interface for detecting discharge, the double-current switching mechanism can extend and expand the hidden switching mechanism and automatically complete the butt joint with the standby battery pack through the inserted pushing force below the hidden switching mechanism, thereby supplementing the standby battery pack in real time, ensuring the limit stable amount of the power supply inside the battery pack, therefore, the spare storage battery pack can be detected immediately after the detection of the storage battery pack is finished.
Preferably, the hidden switching mechanism comprises a guide sleeve, a positioning elastic rod, a three-stack sleeving mechanism, a sliding switching push sheet, a guide groove and a pushing deformation strip, wherein the guide groove is formed in the guide sleeve, the left lower end of the positioning elastic rod is fixedly connected with the pushing deformation strip, the top end of the sliding switching push sheet is attached to the bottom end of the pushing deformation strip, the top end of the stacking sleeving mechanism is movably connected with the top end of the sliding switching push sheet, and the pushing deformation strip can bend and lift up pressure when the sliding switching push sheet is subjected to pushing force, so that the sliding switching push sheet can indirectly act on the positioning elastic rod to generate continuous recoverable deformation and provide backup pressure for pushing the pushing deformation strip to reset.
Preferably, the three auxiliary pressing mechanisms comprise a sleeve plate, an air bag, an inner cavity, a laminated pipe and a pressing bar, the laminated pipe is installed inside the sleeve plate in an embedded mode, the air bag is connected with the pressing bar through the laminated pipe, the inner cavity and the sleeve plate are of an integrated structure, when the air bag is pressed in all directions by the matching connecting rods, internal air can be pressed into the pressing bar through the laminated pipe to be expanded, and the locking strength of the air bag is stronger as the matching connecting rods are deeper and deeper, so that the air bag cannot fall off due to sudden external force in the discharging process.
Preferably, the three-layer sleeving mechanism comprises two constraint sliders, a top sleeve, a middle joint branch rod, a back traction strip and a delay sleeve, wherein each constraint slider group is provided with two pairs of the constraint sliders and installed oppositely, the delay sleeve is installed inside the top sleeve in an embedded mode, the delay sleeve covers the outer surface of the middle joint branch rod close to one side of the top sleeve, and the back traction strip is fixedly connected with the middle joint branch rod.
Preferably, the intermediate connecting branch rod comprises a branch guide block, a back connecting sleeve, a biting strip and a strong magnetic attraction strip, the top end of the branch guide block is fixedly provided with the strong magnetic attraction strip, the back connecting sleeve is internally provided with the biting strip, and the branch guide block is arranged in the back connecting sleeve in an embedded mode.
Compared with the prior art, the invention has the following advantagesAdvantageous effects：
In the process of connecting the tap ports of the main control storage battery pack through the conductive rods, the hidden switching mechanism hidden at the back of the main control storage battery pack is unfolded, the three-layer sleeving mechanism forms step-shaped extension and is close to the tap ports of the standby storage battery pack, the connection is automatically completed through the middle connection and the tap ports, then the current output by the core capacity of the main control storage battery pack can enter the standby storage battery pack through switching, so that the limit stable amount of the power supply inside the standby storage battery pack is ensured, the standby storage battery pack can be immediately detected after the detection of the storage battery pack is completed, the current can be refluxed when the standby storage battery pack is detected, a part of the current storage amount of the main control storage battery pack is supplemented, the switching can be orderly completed, the core capacity tests of all the storage battery packs in the same place can be completed in a short time, and the discharge in the core capacity test can be recovered through switching, the loss condition of the core capacity current of the same times can be reduced, and the main control storage battery pack can be quickly recovered to a use state.
Drawings
Fig. 1 is a schematic structural diagram of a novel storage battery pack double-flow cross-testing nuclear capacity testing machine according to the invention.
Fig. 2 is a detailed structural diagram of the interior of a double-flow cross-testing device of the novel storage battery double-flow cross-testing nuclear capacity tester.
Fig. 3 is a detailed internal structure diagram of the dual-flow adapter mechanism.
Fig. 4 is a schematic diagram illustrating an internal detailed structure of the hidden adaptor.
Fig. 5 is a schematic diagram of the detailed structure of the three auxiliary binding and pressing mechanisms.
Fig. 6 is a detailed structural diagram of the inside of the three-layer socket mechanism.
Fig. 7 is a side view of the middle connecting rod.
In the figure: a carrying handle-1, a display screen-2, a discharge rate adjusting rotary piece-3, a double-flow delivery measuring device-4, a nuclear capacity testing box-5, a high-row side fan-6, a release pipe-a 41, a delivery sheath-a 42, a double-flow delivery mechanism-a 43, a delivery measuring point limit sleeve-a 44, a sleeve connection restraint sheet-a 431, a conductive rod-a 432, a matching groove-a 433, a hidden delivery mechanism-a 434, a three-auxiliary beam pressing mechanism-a 435, a guide sleeve-q 1, a positioning elastic rod-q 2, a three-fold sleeve mechanism-q 3, a sliding delivery push sheet-q 4, a guide groove-q 5, a push deformation strip-q 6, a sleeve plate-q 11, an air bag-q 12, an inner cavity-q 13, a folding pipe-q 14, a beam pressing strip-q 15, a constraint slide block-q 31, a top sleeve-q 32, a middle connecting rod-q 33, a beam pressing strip-q 3683, Back-pulling strip-q 34, extension sleeve-q 35, extension block-q 331, back connecting sleeve-q 332, biting strip-q 333 and strong magnetic attraction strip-q 334.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
As shown in figures 1 to 7:
the invention provides a novel storage battery double-flow cross-testing nuclear capacity testing machine which structurally comprises a lifting handle 1, a display screen 2, a discharge rate adjusting rotary piece 3, a double-flow cross-testing device 4, a nuclear capacity testing box body 5 and a high-row side fan 6, wherein the bottom end of the lifting handle 1 is fixedly connected to the top end of the nuclear capacity testing box body 5 in an electric welding mode, the display screen 2 is installed on the front end face of the nuclear capacity testing box body 5 in an embedding mode, the double-flow cross-testing device 4 is installed inside the front end face of the nuclear capacity testing box body 5 in an embedding mode, the discharge rate adjusting rotary piece 3 is fixedly installed under the double-flow cross-testing device 4, the double-flow cross-testing device 4 comprises a release pipes a41, a cross-protection sleeves a42, a double-flow switching mechanisms a43 and a42 5 cross-testing point limiting sleeves a42 5, the release pipes a41 are inserted and embedded inside the cross-testing point limiting sleeves a44, the inner surface of each cross-testing point limiting sleeve a44 is, the release pipe a41 is fixedly connected with a double-flow adapter mechanism a43, and the outer surface of the cross measuring point limiting sleeve a44 is welded on the right side of the positive end face of the nuclear volume test box body 5.
The double-current adapter mechanism a43 comprises a sleeve connection restraining sheet a431, a conductive rod a432, a matching groove a433, a hidden adapter mechanism a434 and a three-auxiliary pressure mechanism a435, wherein the top end of the sleeve connection restraining sheet a431 and the bottom end of a cross measuring point limiting sleeve a44 are integrated, the top end of the conductive rod a432 is installed in the three-auxiliary pressure mechanism a435 in an embedded mode, the bottom end of the conductive rod a432 is provided with the matching groove a433, the hidden adapter mechanism a434 is fixedly installed at the back of the conductive rod a432, when the conductive rod a432 is inserted into a storage battery component interface for detecting discharge, the double-current adapter mechanism a43 can enable the hidden adapter mechanism a434 to extend and expand and automatically complete the butt joint with a standby battery pack through the pushing force of the plug connection at the lower part, so as to supplement the standby battery pack in real time, and ensure the limit stable amount of a power supply inside the battery pack, and thus after the detection of the storage battery pack is finished, the spare battery pack is immediately tested.
The hidden switching mechanism a434 comprises a guide sleeve q1, a positioning elastic rod q2, a three-folding sleeving mechanism q3, a sliding switching push plate q4, a guide groove q5 and a pushing deformation strip q6, wherein a guide groove q5 is arranged inside the guide sleeve q1, the left lower end of the positioning elastic rod q2 is fixedly connected with a pushing deformation strip q6, the top end of the sliding switching push plate q4 is attached to the bottom end of the pushing deformation strip q6, the top end of the folding sleeving mechanism q3 is movably connected with the top end of the sliding switching push plate q4, and when the sliding switching push plate q4 is subjected to pushing force, the pushing deformation strip q6 can bend and lift up pressure, and can indirectly act on the positioning elastic rod q2 to enable the positioning elastic rod to generate continuous recoverable deformation, and provide backup pressure for pushing the resetting of the pushing deformation strip q 6.
The three-auxiliary pressing mechanism a435 comprises a sleeve plate q11, an air bag q12, an inner cavity q13, a folding pipe q14 and a pressing bar q15, the folding pipe q14 is installed inside the sleeve plate q11 in an embedded mode, the air bag q12 is connected with the pressing bar q15 through the folding pipe q14, the inner cavity q13 and the sleeve plate q11 are of an integrated structure, when the air bag q12 is pressed in all directions by a matching connecting rod, internal air is pressed into the pressing bar q15 through the folding pipe q14 to be expanded, and the locking force is stronger as the matching connecting rod is deeper, so that the falling-off caused by sudden external force in the discharging process can be avoided.
The three-folding sleeving mechanism q3 comprises a restraining slider q31, a top sleeve q32, a middle connecting rod q33, a back traction bar q34 and a delay sleeve q35, wherein each group of the restraining sliders q31 is provided with two and oppositely arranged, the delay sleeve q35 is arranged inside the top sleeve q32 in an embedding mode, the delay sleeve q35 coats the outer surface of the middle connecting rod q33 close to one side of the top sleeve q32, the back traction bar q34 is fixedly connected with the middle connecting rod q33, the back traction bar q34 in the three-folding sleeving mechanism q3 is stretched and loosened, the top sleeve q32, the delay sleeve q35 and the middle connecting rod q33 which are connected one by one can be extended outwards through the repulsive force provided by the restraining slider q31, and the extending distance can be continuously increased so as to be close to a connecting port of a standby storage battery.
The middle connecting and separating rod q33 comprises a separating block q331, a back connecting sleeve q332, a biting bar q333 and a strong magnetic attraction bar q334, the top end of the separating block q331 is fixedly provided with the strong magnetic attraction bar q334, the biting bar q333 is arranged inside the back connecting sleeve q332, the separating block q331 is installed in the back connecting sleeve q332 in an embedded mode, the strong magnetic attraction bar q334 can be close to a standby storage battery pack interface to be measured after the middle connecting and separating rod q33 completely extends out, the separating block q331 can be in contact with a receiving groove of the standby storage battery pack by being drawn by a matching attraction block at the inserting port, and current can be introduced into the standby storage battery.
The specific use mode and function of the embodiment are as follows:
in the invention, when the storage battery pack is subjected to a nuclear capacity test, after the flip cover on the surface of the double-flow cross testing device 4 is opened, the double-flow cross mechanism a43 inside is exposed, the double-flow cross mechanism a43 is pulled out from the cross testing point limiting sleeve a44, the sleeving constraint sheet a431 can simultaneously constrain the two three-auxiliary beam pressing mechanisms a435, the conducting rod a432 is inserted into the internal matching groove a433 of the tap port in the storage battery pack and is completely attached to the internal discharge terminal of the conducting rod a, the sliding switch push sheet q4 is pushed by the guide sheets of the storage battery pack interface in the mutual inserting process along with the inserting process, the sliding switch push sheet q4 is pushed towards the inside, in the sliding process of the sliding switch push sheet q4, as the three-folding sleeve mechanism q3 is positioned in the unimpeded accommodating groove at the bottom of the sliding switch push sheet q3, when the sliding switch sheet is positioned in the slotted hole inside of the three-folding sleeve mechanism 432 a, along with the loosening of the back-pulling bar q34, the top sleeve q32 extends out of the sliding transfer push sheet q4, and after the pulling and tensioning of the back-pulling bar q34 are lost, the same-grade magnetic blocks are arranged in the middle of the restraining sliding block q31, mutually repulsive magnetic fields can be generated in the magnetic field range close to each other, initial stable values provided by the magnetic fields are different through adapting bars with different gravity, the low-value end can be extended towards the outside, after the restraining sliding blocks q31 are gradually unfolded, the top sleeve q32, the extending sleeve q35 and the middle tapping rod q33 form a step-shaped guide pipe, the guide pipe is quickly attracted and quickly contacted with the tapping port of the spare battery pack through the strong magnetic absorbing bar q334 close to the spare battery pack interface, the guide pipe can be contacted with the current receiving groove of the spare battery pack through the tapping block q331, most of the current discharged from the battery pack in the nuclear capacity can be guided into the guide pipe, and the spare battery pack can be supplemented in real time, therefore, the spare storage battery pack can be detected immediately after the detection of the storage battery pack is finished.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (6)
1. The utility model provides a novel two flows of storage battery are handed over and are surveyed nuclear and hold test machine, its structure includes that carrying handle (1), display screen (2), discharge rate adjust and revolve piece (3), two flows are handed over and are surveyed device (4), nuclear and hold test box (5), high side fan (6) of arranging, its characterized in that:
the bottom end of the lifting handle (1) is fixedly connected to the top end of the nuclear capacity testing box body (5) in an electric welding mode, the display screen (2) is installed on the front end face of the nuclear capacity testing box body (5) in an embedding mode, the double-flow volume testing device (4) is installed inside the front end face of the nuclear capacity testing box body (5) in an embedding mode, and the discharge rate adjusting rotary piece (3) is fixedly installed under the double-flow volume testing device (4);
the double-flow intersection measuring device (4) comprises a release pipe (a41), an intersection sleeve (a42), a double-flow transit mechanism (a43) and an intersection measuring point limiting sleeve (a44), wherein the release pipe (a41) is inserted and embedded into the intersection sleeve (a42), the inner surface of the intersection measuring point limiting sleeve (a44) is attached to the outer surface of the double-flow transit mechanism (a43), the release pipe (a41) is fixedly connected with the double-flow transit mechanism (a43), and the outer surface of the intersection measuring point limiting sleeve (a44) is welded on the right side of the positive end face of the nuclear capacity testing box (5).
2. The novel battery pack double-flow cross-testing nuclear capacity testing machine as claimed in claim 1, characterized in that: the double-current transfer mechanism (a43) comprises a sleeving restriction sheet (a431), a conductive rod (a432), a matching groove (a433), a hidden transfer mechanism (a434) and a three-auxiliary beam pressing mechanism (a435), wherein the top end of the sleeving restriction sheet (a431) and the bottom end of a cross measurement point limiting sleeve (a44) are of an integrated structure, the top end of the conductive rod (a432) is installed inside the three-auxiliary beam pressing mechanism (a435) in an embedding mode, the matching groove (a433) is formed in the bottom end of the conductive rod (a432), and the hidden transfer mechanism (a434) is fixedly installed on the back of the conductive rod (a 432).
3. The novel battery pack double-flow cross-testing nuclear capacity testing machine as claimed in claim 2, characterized in that: the hidden switching mechanism (a434) comprises a guide sleeve (q1), a positioning elastic rod (q2), a three-folding sleeving mechanism (q3), a sliding switching push piece (q4), a guide groove (q5) and a pushing deformation strip (q6), wherein the guide groove (q5) is formed in the guide sleeve (q1), the left lower end of the positioning elastic rod (q2) is fixedly connected with the pushing deformation strip (q6), the top end of the sliding switching push piece (q4) is attached to the bottom end of the pushing deformation strip (q6), and the top end of the folding sleeving mechanism (q3) is movably connected with the top end of the sliding switching push piece (q 4).
4. The novel battery pack double-flow cross-testing nuclear capacity testing machine as claimed in claim 2, characterized in that: the three-auxiliary pressure restraining mechanism (a435) comprises a sleeve plate (q11), an air bag (q12), an inner cavity (q13), a folding pipe (q14) and a pressure restraining bar (q15), wherein the folding pipe (q14) is installed inside the sleeve plate (q11) in an embedding mode, the air bag (q12) is connected with the pressure restraining bar (q15) through the folding pipe (q14), and the inner cavity (q13) and the sleeve plate (q11) are of an integrated structure.
5. The novel battery pack double-flow cross-testing nuclear capacity testing machine as claimed in claim 3, characterized in that: three pile of muffjoint mechanisms (q3) connect branch pole (q33), back and draw in strip (q34), prolong cover (q35) including restraint slider (q31), top cover (q32), well, restraint slider (q31) every group is equipped with two and opposition installation altogether, it installs inside top cover (q32) through the mode of embedding to prolong cover (q35), it connects branch pole (q33) to be close to top cover (q32) one side surface in the cover (q35) cladding, back and draw in strip (q34) and well connect branch pole (q33) fixed connection together.
6. The novel battery pack double-flow cross-testing nuclear capacity testing machine as claimed in claim 5, characterized in that: well connect branch pole (q33) including dividing to draw piece (q331), back of the body nipple (q332), sting strip (q333), strong magnetism inhale strip (q334), divide and draw piece (q331) top fixed mounting to inhale strip (q334) strongly, back of the body nipple (q332) inside is equipped with bites strip (q333), divide and draw piece (q331) to install in back of the body nipple (q332) through the mode of embedding.
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| CN201911003142.2A CN110703111B (en) | 2019-10-22 | 2019-10-22 | Novel storage battery double-flow alternating-measurement nuclear capacity testing machine |
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| CN201911003142.2A CN110703111B (en) | 2019-10-22 | 2019-10-22 | Novel storage battery double-flow alternating-measurement nuclear capacity testing machine |
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