Mobile combination device for rapid formation of storage battery

By designing a battery to quickly transform into a mobile combination device, the liftable bearing plate and sliding frame are used to achieve continuous operation of transformation and cleaning, the problems of low efficiency and insufficient personnel health protection in the prior art are solved, and an efficient and safe transformation and cleaning process is achieved.

CN119812505APending Publication Date: 2025-04-11江苏永达电源股份有限公司
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Patent Information

Application Number
CN202411679949.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-22
Publication Date
2025-04-11

AI Technical Summary

Technical Problem

The existing battery is less efficient during the process of forming the formation and the personnel health protection is low. It requires manual pick-up and storage of the battery, which is easy to get into the liquid, affecting efficiency and safety.

Method used

A rapid battery transformation into a moving combination device is designed. By installing the battery on a liftable bearing plate, connecting it with the track with a sliding frame, the bearing plate is moved sequentially above the decomposition tank and the cleaning tank, achieving continuous operation of decomposition and cleaning, avoiding manual direct contact into liquid.

Benefits of technology

It improves the efficiency of battery formation and cleaning, ensures the safety of manual operation, avoids liquid residue, and improves work efficiency and personnel health protection.

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Abstract

The invention relates to the field of rapid formation of storage batteries, in particular to a mobile combination device for rapid formation of storage batteries, which comprises a fixed frame, sliding frames are symmetrically arranged above the fixed frame, and the sliding frames are used for connecting the fixed frame with a track above a storage battery processing workshop. A storage battery is mounted on a connecting plate, the whole connecting plate is quickly connected with a bearing plate, and a sliding frame is connected with a rail at the top of a processing workshop, so that the sliding frame can drive the whole storage battery to sequentially move to the position above a formation tank and a cleaning tank, and the storage battery can be conveniently cleaned through lifting of the bearing plate when above the storage battery. The whole storage battery is sequentially put into the formation tank and the cleaning tank, and the whole storage battery is air-dried by the air blower in the conveying process, so that the continuous formation and cleaning operation of the storage battery can be ensured through the structure and the mode, the efficiency is improved, no formation liquid is left on the surface of the storage battery before and after the storage battery is manually contacted, and the storage battery is prevented from being damaged. Therefore, the safety of manual operation is ensured.
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Description

Technical Field

[0001] The invention relates to the field of rapid formation of storage batteries, and in particular to a mobile combined device for rapid formation of storage batteries. Background Art

[0002] Rapid battery formation is an important technology in the battery production process. The main function of formation is to fully activate the active substances inside the battery to make it have the best performance. Through formation, the chemical reaction inside the battery is balanced, thereby improving its charge and discharge efficiency and cycle life. During the formation process, the battery needs to be placed in an electrolyte pool, and after the formation is completed, the battery needs to be powered off and cleaned to complete the entire formation work.

[0003] The Chinese patent application with the announcement number CN221150108U discloses a lead-acid battery formation tank, comprising a body, a threaded screw fixedly connected to the output end of the motor, a threaded sleeve arranged on the threaded screw, a first mesh plate fixedly connected to one end of the threaded sleeve, a slide groove symmetrically arranged on both sides of the first mesh plate, a slider arranged in the slide groove, and the slider fixedly connected to the second mesh plate. The utility model is provided with a slider and a slide groove, and when the lead-acid battery formation tank is completed to take out a batch of battery bodies placed therein, the motor in the sealing box is started to drive the threaded screw to rotate, the threaded screw drives the first mesh plate to move upward through the threaded sleeve, and the second mesh plate is driven to move outward through the slider moving in the slide groove, so as to prevent the staff from inhaling the acid mist inside the lead-acid battery formation tank when working, thereby endangering the staff and ensuring the health of the staff.

[0004] In the existing battery formation process, although no human assistance is required, the battery needs to be manually taken and placed before and after the start. For example, in the above patent, although a lifting structure can be used to immerse the battery in the formation tank to avoid direct contact between personnel and the liquid inside the formation tank, it is still necessary to manually touch the battery. At this time, if waiting for the liquid on the surface of the battery to dry, it will take a lot of time. If it is directly transported, it is inevitable to contact with residual liquid. The formation tank is in a suspended state during the transportation and placement process, so the work efficiency cannot be guaranteed. In addition, since the battery needs to enter the cleaning tank later, this method will greatly reduce the efficiency of battery formation.

[0005] Therefore, it is necessary to invent a kind of storage battery rapid transformation mobile assembly device to solve the above problems. Summary of the invention

[0006] The object of the present invention is to provide a mobile combined device for rapid formation of storage batteries. The storage battery is integrally mounted on a lifting and lowering support plate, and the support plate is moved sequentially above a formation tank and a cleaning tank, and the support plate is moved to a corresponding position and then lowered, thereby completing the formation and cleaning operations in sequence. This method can ensure the continuity of the formation operation, and can also avoid contact with the formed liquid before and after manual installation and placement, thereby ensuring personal safety, so as to solve the problems of low storage battery formation efficiency and low personnel health protection in the prior art.

[0007] In order to achieve the above object, the present invention provides the following technical solutions: a battery rapid formation mobile assembly device, comprising a fixed frame, a sliding frame symmetrically arranged above the fixed frame, and the sliding frame is used to connect the fixed frame with the track above the battery processing workshop, a bearing plate is arranged below the sliding frame, and a plurality of groups of batteries are arranged above the bearing plate;

[0008] The fixing assembly includes a connecting plate, which is arranged above the bearing plate, and a plurality of bearing grooves are provided on the surface of the connecting plate, and the inner walls of the bearing grooves are in contact with the corresponding storage batteries, so as to fix the storage batteries above the bearing plate;

[0009] The lowering assembly includes a connecting cavity, which is symmetrically opened below the fixed frame, and a bidirectional screw is rotatably connected in the connecting cavity, a servo motor output end is installed on one side of a group of bidirectional screws, and an internal threaded barrel is symmetrically screwed on the bidirectional screw, and a cross scissor frame is rotatably connected below the two groups of internal threaded barrels;

[0010] The blowing assembly is arranged above the fixing frame and is used for drying the cleaned storage battery.

[0011] As a preferred solution of the present invention, the fixing assembly further includes a clamping member, which is installed below the connecting plate, and a clamping slide rail is installed above the supporting plate, and the clamping slide rail is clamped with the clamping member.

[0012] As a preferred solution of the present invention, multiple groups of connecting tubes are installed above the connecting plate, a fixing ring is installed on the inner wall of the connecting tube, a connecting rod is connected through the connecting tube, a spring is sleeved on the connecting rod, and the spring is respectively fitted with the bottom of the connecting rod and the fixing ring at the top and bottom.

[0013] As a preferred solution of the present invention, a clamping block is symmetrically installed on the connecting rod, and the clamping block is located above the fixing ring, through grooves are symmetrically opened at the upper edge of the inner wall of the connecting cylinder, and the through grooves and the clamping block are in an alternating arrangement, and a rotating handle is installed above the connecting rod.

[0014] As a preferred solution of the present invention, a fixing frame is arranged above the connecting plate, and the fixing frame is connected through the rotating handle, a plurality of groups of wire sleeves are installed on the fixing frame, and the wire sleeves are connected to the terminals of the battery, and each group of the wire sleeves are connected in series with copper plates.

[0015] As a preferred solution of the present invention, the lowering assembly further comprises a bevel gear 1, which is mounted on one side of the two sets of bidirectional screws. A cavity is provided in the fixed frame, and a connecting shaft is rotatably connected in the cavity.

[0016] As a preferred solution of the present invention, bevel gears 2 are symmetrically mounted on the connecting shaft, and two sets of bevel gears 2 are respectively meshed with bevel gears 1 on one side of two sets of bidirectional screws.

[0017] As a preferred solution of the present invention, a connecting frame is symmetrically installed above the fixed frame, a sliding rod is installed in the connecting frame, a sliding sleeve is symmetrically sleeved on the sliding rod, and the sliding sleeve is rotatably connected to the bottom of the cross scissors frame.

[0018] As a preferred solution of the present invention, the blowing assembly includes an air collecting hood, which is covered and installed above the fixed frame, and the top of the air collecting hood is fixedly connected to the sliding frame, a screen frame is installed on the inner wall of the air collecting hood, a fan is installed above the air collecting hood, and the fan is connected to the inside of the air collecting hood.

[0019] In the above technical solution, compared with the prior art, the technical effects and advantages provided by the present invention are as follows:

[0020] The battery is mounted on a connecting plate, and the connecting plate is quickly connected to the supporting plate as a whole. At this time, the sliding frame is connected to the track on the top of the processing workshop, so that the sliding frame can drive the battery as a whole to move to the top of the formation tank and the cleaning tank in sequence. When the battery is above the formation tank and the cleaning tank, the battery as a whole can be placed in the formation tank and the cleaning tank in sequence by lifting and lowering the supporting plate. During the transportation process, a fan can air-dry the battery as a whole. This structure and method can ensure continuous formation and cleaning operations of the battery, thereby improving efficiency. Before and after manual contact with the battery, there is no residual formation liquid on the surface of the battery, thereby ensuring the safety of manual operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 It is a schematic diagram of the overall bottom structure of the present invention;

[0024] Figure 3 It is a schematic diagram of the planing structure of the fixing frame of the present invention;

[0025] Figure 4 It is a schematic diagram of the structure of the clamping slide rail of the present invention;

[0026] Figure 5 It is a schematic diagram of the connecting plate structure of the present invention;

[0027] Figure 6 It is a schematic diagram of the structure of the clamping member of the present invention;

[0028] Figure 7 For the present invention Figure 2 The enlarged structural diagram at A in the middle;

[0029] Figure 8 For the present invention Figure 3 The enlarged structural diagram at B in the middle;

[0030] Fig. 9 For the present invention Figure 5 Enlarged structural diagram at point C in the middle.

[0031] Description of reference numerals:

[0032] 001, fixed frame; 101, sliding frame; 102, bearing plate; 103, battery; 002, fixed assembly; 201, connecting plate; 202, bearing groove; 203, clamping piece; 204, clamping slide rail; 205, fixed ring; 206, connecting rod; 207, spring; 208, clamping block; 209, through groove; 210, rotating handle; 211, fixed frame; 212, wire sleeve; 213, connecting tube; 214, connecting tube; 215, fixing frame; 216, fixing frame; 217, fixing frame; 218, fixing frame; 219, fixing frame; 220, fixing frame; 221, fixing frame; 222, wire sleeve; 223, connecting tube; 224, fixing frame; 225, fixing frame; 226, fixing frame; 227, fixing frame; 228, fixing frame; 229, fixing frame; 230, fixing frame; 231, fixing frame; 232, fixing frame; 233, fixing frame; 234, fixing frame; 235, fixing frame; 236, fixing frame; 237, fixing frame; 238, fixing frame; 239, fixing frame; 240, fixing frame; 241, fixing frame; 242, fixing frame; 243, fixing frame; 244, fixing frame; 245, fixing frame; 246, fixing frame; 247, fixing frame; 248, fixing frame; 249, fixing frame; 250, fixing frame; 251, fixing frame; 252, fixing frame; 253, fixing frame; 254, fixing frame; 255, fixing frame; 256, fixing plate; 257, fixing plate; 258, fixing plate; 259, 4. Copper plate; 003. Lowering assembly; 301. Connecting cavity; 302. Bidirectional screw; 303. Servo motor; 304. Internal threaded cylinder; 305. Bevel gear one; 306. Cavity; 307. Connecting shaft; 308. Bevel gear two; 309. Cross scissors frame; 310. Connecting frame; 311. Sliding rod; 312. Sliding sleeve; 004. Blowing assembly; 401. Wind hood; 402. Screen frame; 403. Fan. DETAILED DESCRIPTION

[0033] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0034] The present invention provides Figure 1-9A battery rapid forming mobile assembly device is shown, comprising a fixed frame 001, a sliding frame 101 is symmetrically arranged above the fixed frame 001, and the sliding frame 101 is used to connect the fixed frame 001 with the track above the battery 103 processing workshop, a carrying plate 102 is arranged below the sliding frame 101, and a plurality of battery groups 103 are arranged above the carrying plate 102;

[0035] The fixed frame 001 can be moved on the track above the processing workshop through the sliding frame 101, and the preset path of the track here needs to pass above the formation tank and the cleaning tank.

[0036] The fixing assembly 002 includes a connecting plate 201, which is disposed above the carrying plate 102. A plurality of bearing grooves 202 are provided on the surface of the connecting plate 201, and the inner walls of the bearing grooves 202 are in contact with the corresponding storage batteries 103, so as to fix the storage batteries 103 above the carrying plate 102;

[0037] The battery 103 can be placed above the connecting plate 201 through the supporting groove 202, and multiple groups of connecting plates 201 need to be prepared during the formation process, so that when some connecting plates 201 are in the formation process, the remaining connecting plates 201 can be in a state of being installed and connected with the battery 103, thereby ensuring the continuity of the formation process of the battery 103.

[0038] The lowering assembly 003 includes a connecting cavity 301, which is symmetrically opened below the fixed frame 001. A bidirectional screw 302 is rotatably connected in the connecting cavity 301. A servo motor 303 output end is installed on one side of a set of bidirectional screws 302. An internal threaded cylinder 304 is symmetrically screwed on the bidirectional screw 302. A cross scissor frame 309 is rotatably connected below the two sets of internal threaded cylinders 304.

[0039] The servo motor 303 can drive the bidirectional screw 302 to rotate, thereby ensuring that the bidirectional screw 302 drives the internal threaded tube 304 to move in opposite directions, causing the cross scissors frame 309 to deform, thereby changing the downward length of the cross scissors frame 309.

[0040] The blowing assembly 004 is disposed above the fixing frame 001 and is used to dry the storage battery 103 after cleaning.

[0041] Furthermore, in the above structure, the fixing assembly 002 also includes a clamping member 203 , which is installed below the connecting plate 201 , and a clamping rail 204 is installed above the supporting plate 102 , and the clamping rail 204 is clamped with the clamping member 203 .

[0042] Through the cooperation between the clamping slide rail 204 and the clamping member 203 , the carrier plate 102 can be quickly assembled and disassembled from the connecting plate 201 , thereby ensuring that the efficiency of the connecting plate 201 is improved during the continuous formation process of the battery 103 .

[0043] Furthermore, in the above structure, multiple groups of connecting tubes 213 are installed above the connecting plate 201, and a fixing ring 205 is installed on the inner wall of the connecting tube 213. A connecting rod 206 is connected through the connecting tube 213, and a spring 207 is sleeved on the connecting rod 206. The spring 207 is respectively fitted with the bottom of the connecting rod 206 and the fixing ring 205 at the top and bottom.

[0044] The spring 207 compresses the fixing ring 205 so that the position of the connecting rod 206 in the connecting cylinder 213 can be kept fixed.

[0045] Furthermore, in the above structure, a block 208 is symmetrically installed on the connecting rod 206, and the block 208 is located above the fixing ring 205, and through grooves 209 are symmetrically opened at the upper edge of the inner wall of the connecting tube 213, and the through grooves 209 and the block 208 are in an staggered arrangement, and a rotating handle 210 is installed above the connecting rod 206.

[0046] After rotating the handle 210 to move the block 208 to a position flush with the through slot 209, the connecting rod 206 is pulled to allow the block 208 to pass through the through slot 209. The connecting rod 206 is rotated and reset to allow the block 208 to press against the top of the connecting tube 213, and at the same time, the spring 207 is squeezed from the bottom of the connecting rod 206.

[0047] Furthermore, in the above structure, a fixing frame 211 is provided above the connecting plate 201, and the fixing frame 211 is connected through the rotating handle 210, a plurality of groups of wire sleeves 212 are installed on the fixing frame 211, and the wire sleeves 212 are connected to the terminals of the battery 103, and each group of wire sleeves 212 is connected in series with a copper plate 214.

[0048] The battery 103 can be fixed by the fixing frame 211, and the fixing frame 211 can change position as the handle 210 is pulled, so as to facilitate the installation of the battery 103, and the copper plate 214 can ensure the power supply of each group of batteries 103, thereby ensuring the formation process.

[0049] Furthermore, in the above structure, the lowering component 003 also includes a bevel gear 305, which is installed on one side of the two sets of bidirectional screws 302. A cavity 306 is opened in the fixed frame 001, and a connecting shaft 307 is rotatably connected in the cavity 306.

[0050] Furthermore, in the above structure, bevel gear 2 308 is symmetrically mounted on the connecting shaft 307 , and the two sets of bevel gear 2 308 are respectively meshed with the bevel gear 1 305 on one side of the two sets of bidirectional screws 302 .

[0051] Through the two sets of bevel gears 2 308 and the connecting shaft 307 , and in cooperation with the bevel gear 1 305 , the power of one set of bidirectional screws 302 can be transmitted to the other set of bidirectional screws 302 .

[0052] Furthermore, in the above structure, a connection frame 310 is symmetrically installed above the fixed frame 001, a slide rod 311 is installed in the connection frame 310, a sliding sleeve 312 is symmetrically sleeved on the slide rod 311, and the sliding sleeve 312 is rotatably connected to the bottom of the cross scissors frame 309.

[0053] The cross scissor frame 309 is deformed so that the sliding sleeve 312 slides on the sliding rod 311, thereby ensuring the up and down movement of the fixed frame 001, so that the fixed frame 001 can drive the battery 103 to enter and leave the formation tank or the cleaning tank.

[0054] Furthermore, in the above structure, the blowing assembly 004 includes an air collecting hood 401, which is covered and installed above the fixed frame 001, and the top of the air collecting hood 401 is fixedly connected to the sliding frame 101, a screen frame 402 is installed on the inner wall of the air collecting hood 401, a fan 403 is installed above the air collecting hood 401, and the fan 403 is connected to the inside of the air collecting hood 401.

[0055] The fan 403 is used to blow air into the air collecting hood 401, so that the surface of the battery 103 can be dried by separation.

[0056] like Figure 1-9As shown, the connecting rod 206 is rotated by rotating the handle 210, so that the connecting rod 206 drives the block 208 to rotate to a position flush with the through slot 209. At this time, the connecting rod 206 is pulled to make the block 208 pass through the through slot 209, so that the fixed frame 211 moves upward. At this time, after the connecting rod 206 is rotated, the block 208 is against the top of the connecting cylinder 213, and the storage battery 103 is installed in the bearing groove 202 above the connecting plate 201. After the installation is completed, the fixed frame 211 is reset by the connecting rod 206, so that the wire sleeve 212 is sleeved with the terminal of the storage battery 103. At this time, the storage battery 103 is moved as a whole to the top of the formation tank through the track cooperation sliding frame 101. At this time, the servo motor 303 is started to rotate the bidirectional screw 302, so that the internal threaded cylinder 304 drives the cross scissors frame 309 to deform, so that the bearing plate 102 moves downward, and the storage battery 103 enters the formation tank, and the formation operation is completed. After that, the carrying plate 102 will be reset, and the battery 103 will continue to move as a whole, so that the carrying plate 102 moves above the cleaning tank, and the carrying plate 102 moves downward at the same time, so that the battery 103 enters the cleaning tank, and the battery 103 at this time is in a power-off state. At the same time, the redundant battery 103 can be installed above the new connecting plate 201 in advance during the process again. When the carrying plate 102 is reset after cleaning, the fan 403 will blow air to air-dry the surface of the battery 103, and finally the clamping member 203 of the connecting plate 201 is taken out from the clamping slide rail 204, and the new connecting plate 201 is installed, thereby completing the formation work of the battery 103. Through this structure, the battery 103 can be continuously formed and cleaned, thereby improving efficiency, and before and after manual contact with the battery 103, there is no residual formation liquid on its surface, thereby ensuring the safety of manual operation.

[0057] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A mobile assembly device for rapid formation of a battery, comprising a fixed frame (001), characterized in that: A sliding frame (101) is symmetrically arranged above the fixed frame (001), and the sliding frame (101) is used to connect the fixed frame (001) with a track above a battery (103) processing workshop, a carrying plate (102) is arranged below the sliding frame (101), and a plurality of groups of batteries (103) are arranged above the carrying plate (102); The fixing assembly (002) comprises a connecting plate (201), the connecting plate (201) being arranged above the carrying plate (102), a plurality of groups of carrying grooves (202) being provided on the surface of the connecting plate (201), and the inner walls of the carrying grooves (202) being in contact with corresponding storage batteries (103), so as to fix the storage batteries (103) above the carrying plate (102); The lowering component (003) comprises a connecting cavity (301), wherein the connecting cavity (301) is symmetrically arranged below the fixing frame (001), wherein a bidirectional screw (302) is rotatably connected in the connecting cavity (301), wherein one side of a group of the bidirectional screws (302) is provided with an output end of a servo motor (303), wherein an internal threaded barrel (304) is symmetrically screwed on the bidirectional screw (302), and a cross scissor frame (309) is rotatably connected below two groups of the internal threaded barrels (304); The blowing assembly (004) is arranged above the fixing frame (001) and is used to dry the cleaned storage battery (103).

2. A mobile assembly device for rapid battery formation according to claim 1, characterized in that: The fixing assembly (002) further comprises a clamping member (203), wherein the clamping member (203) is installed below the connecting plate (201), and a clamping slide rail (204) is installed above the supporting plate (102), and the clamping slide rail (204) is clamped with the clamping member (203).

3. A mobile assembly device for rapid formation of storage batteries according to claim 2, characterized in that: A plurality of connecting tubes (213) are installed above the connecting plate (201), a fixing ring (205) is installed on the inner wall of the connecting tube (213), a connecting rod (206) is passed through the connecting tube (213), a spring (207) is sleeved on the connecting rod (206), and the spring (207) is respectively fitted with the bottom of the connecting rod (206) and the fixing ring (205) at the top and bottom.

4. A mobile combined device for rapid formation of storage batteries according to claim 3, characterized in that: A clamping block (208) is symmetrically mounted on the connecting rod (206), and the clamping block (208) is located above the fixing ring (205). Through grooves (209) are symmetrically opened at the upper edge of the inner wall of the connecting tube (213), and the through grooves (209) and the clamping block (208) are in a staggered arrangement. A rotating handle (210) is mounted above the connecting rod (206).

5. The mobile combined device for rapid formation of storage batteries according to claim 3, characterized in that: A fixing frame (211) is arranged above the connecting plate (201), and the fixing frame (211) is connected through the rotating handle (210). A plurality of groups of wire sleeves (212) are installed on the fixing frame (211), and the wire sleeves (212) are sleeved with terminals of the storage battery (103), and each group of the wire sleeves (212) is connected in series using a copper plate (214).

6. A battery rapid formation mobile assembly device according to claim 1, characterized in that: The lowering assembly (003) further comprises a bevel gear (305), wherein the bevel gear (305) is mounted on one side of the two sets of bidirectional screws (302). A cavity (306) is provided in the fixing frame (001), and a connecting shaft (307) is rotatably connected in the cavity (306).

7. A mobile combined device for rapid formation of storage batteries according to claim 6, characterized in that: Bevel gear 2 (308) is symmetrically mounted on the connecting shaft (307), and the two sets of bevel gear 2 (308) are respectively meshed with bevel gear 1 (305) on one side of the two sets of bidirectional screws (302).

8. A mobile assembly device for rapid formation of storage batteries according to claim 7, characterized in that: A connecting frame (310) is symmetrically installed above the fixed frame (001), a sliding rod (311) is installed inside the connecting frame (310), a sliding sleeve (312) is symmetrically sleeved on the sliding rod (311), and the sliding sleeve (312) is rotatably connected to the bottom of the cross scissors frame (309).

9. The mobile assembly device for rapid formation of storage batteries according to claim 1, characterized in that: The blowing assembly (004) includes an air collecting hood (401), which is covered and installed above the fixed frame (001), and the top of the air collecting hood (401) is fixedly connected to the sliding frame (101), a screen frame (402) is installed on the inner wall of the air collecting hood (401), and a fan (403) is installed above the air collecting hood (401), and the fan (403) is connected to the air collecting hood (401).

Citation Information

Patent Citations

  • Lead-acid storage battery formation tank

    CN221150108U