CN209680674U - Electric vehicle battery single product cleaning system - Google Patents

Abstract

The utility model provides a single-product cleaning system for electric vehicle batteries, which mainly includes a single-product supporting frame for the battery, three sets of cleaning units for the single-product battery pack and two sets of air-cutting and drying units for the single-product battery pack. The electric vehicle battery single-product cleaning system is equipped with a special "A"-shaped support material frame, through which the "A"-shaped support material frame can be very convenient to fix and support the electric vehicle battery single product, while the cleaning box and drying box It is set to a structure suitable for the shape of the "A"-shaped support material frame, which can effectively reduce the space of the cleaning box and drying box, and can save a lot of cleaning water and water resources under the premise of ensuring the cleaning effect. Play a better wind shear drying effect. The patent uses a closed door drive mechanism to realize automatic closing and opening of the openings at both ends of the cleaning chamber and drying chamber, which can effectively ensure the sealing effect. A supporting material frame conveying device is set between the cleaning chamber and the drying chamber, which can realize the single product of electric vehicle batteries. Automated cleaning.

Description

Electric vehicle battery single product cleaning system

technical field

The utility model relates to a device for cleaning equipment, in particular to a cleaning system for a single battery pack of an electric vehicle.

Background technique

With the increasingly serious environmental pollution and the increasingly scarce energy sources, it has become necessary to replace existing vehicles with electric vehicles, and electric vehicles have become a major trend in future development. As the power source of electric vehicles, electric packs are the key components of electric vehicles. Whether electric vehicles can be popularized in a large area has a crucial role in the quality of battery packs.

The battery pack of an electric vehicle is mainly welded by the battery pack bracket and the individual components installed in the battery pack bracket. The structure of the single component of the battery pack is relatively special, and most of them are slender tubular structures one by one. Products with this structure are very inconvenient to clean, and cannot be piled up for cleaning, because this will cause dead ends for cleaning. Therefore, the current commonly used method is to clean one by one. This method has a slow cleaning speed and is very inconvenient to clean. Existing cleaning equipment is not suitable for single-product components of battery packs of this shape, and it is difficult to clean them in large quantities. With the continuous expansion of the production demand of electric vehicles, the demand for battery packs is also increasing. Therefore, it is necessary to design a system dedicated to cleaning the individual components of this battery pack.

Utility model content

In view of the above-mentioned shortcomings of the prior art, the purpose of this utility model is to provide a system capable of automatically cleaning the battery packs of electric vehicles.

In order to achieve the above purpose and other related purposes, the utility model provides a single-product cleaning system for electric vehicle batteries, which includes: a supporting material frame for a single battery product, and the supporting material frame for a single battery product includes two "A"-shaped The side frame, the two side frames are connected by connecting rods, the side frame is provided with a support plate for placing the battery single product; at least one set of battery pack single product cleaning unit, the battery pack single product cleaning unit includes a A cleaning box, the cleaning box forms a cleaning cavity, the cleaning cavity is adapted to the shape of the supporting material frame of the battery single product, the cleaning box is connected to the water washing system, the two ends of the cleaning cavity are opened and a sealed door is provided ; At least one group of single-product wind-cut drying units for battery packs, the single-product wind-cut drying unit for battery packs includes a drying box, and the drying box forms a drying chamber, and the drying box is connected to a blower, and the inlet of the blower is The tuyere communicates with the drying chamber through the air inlet pipe, the air inlet pipe is located on the top of the drying box, and the two ends of the drying box are opened and are provided with sealed doors; the cleaning chamber and the drying chamber are provided with supporting materials The frame conveying device, the supporting material frame conveying devices in the cleaning chamber and the drying chamber are arranged in sequence to form a supporting material frame conveying channel.

Preferably, the cleaning box includes an inner frame and an outer frame, the shape of the inner frame and the outer frame are adapted to the shape of the supporting material frame of the battery single product, and the cleaning chamber is formed between the inner frame and the outer frame, The cleaning chamber extends for a certain distance in the longitudinal direction.

Preferably, the supporting material frame conveying device includes a plurality of conveying rollers arranged in parallel, the conveying rollers pass through the inner frame and the outer frame, and the conveying rollers arranged in parallel are connected to the driving motor through a sprocket wheel and a transmission chain .

Preferably, an ultrasonic vibrating plate is provided on the side wall of the outer frame of the cleaning box.

Preferably, the airtight door is divided into left and right leaves, and each airtight door is connected to a airtight door driving mechanism, and the airtight door driving mechanism is used to drive the airtight door to open or seal the corresponding opening.

Preferably, the drive mechanism of the airtight door includes a horizontal drive cylinder and two longitudinal drive cylinders, the horizontal drive cylinder is hinged to the airtight door through a connecting piece, the horizontal drive cylinder is connected to one of the longitudinal drive cylinders, and the two Two longitudinal drive cylinders are respectively arranged at the upper and lower ends of the airtight door, and the longitudinal drive cylinders are slidably connected with a slide bar, and the transverse drive cylinders can push the longitudinal drive cylinders to move back and forth along the slide bar. The longitudinal drive cylinder can drive the airtight door to move inside and outside in the longitudinal direction.

Preferably, the water washing system includes a liquid storage tank, the water outlet of the liquid storage tank is connected to the first port of the first pneumatic three-way ball valve through the first normally open manual ball valve, and the first pneumatic three-way ball valve The second port is connected to the drain port of the cleaning tank through the second normally open manual ball valve, and the third port of the first pneumatic three-way ball valve is connected to the first port of the second pneumatic three-way ball valve through the water pump. The second port of the pneumatic three-way ball valve is connected to the water inlet of the liquid storage tank, and the third port of the second pneumatic three-way ball valve is connected to the water inlet of the cleaning tank.

Preferably, the air inlet of the blower is provided with a heater.

Preferably, the air inlet of the air inlet pipe is in the shape of a bell mouth corresponding to the shape of the drying chamber.

Preferably, it also includes a base feeding and conveying device, the base feeding and conveying device is connected to the last-stage wind-cutting drying unit and the first-stage battery pack single-product cleaning unit, and the base feeding and conveying device is used to move the base from the last The outlet of the first-level product wind-cutting drying unit is transported to the inlet of the first-level battery pack single-product cleaning unit.

As mentioned above, the single-product cleaning device for electric vehicle batteries has the following beneficial effects: the single-product cleaning system for electric vehicle batteries is provided with a special "A"-shaped support material frame, which can be very convenient The single product of the electric vehicle battery is fixed and supported, and the cleaning box and the drying box are set in a structure suitable for the shape of the "A"-shaped support material frame, which can effectively reduce the space of the cleaning box and the drying box, while ensuring the cleaning effect. Under the premise, it can save a lot of cleaning water and save water resources, and it can achieve a better wind-cut drying effect under the same wind force. The patent uses a closed door drive mechanism to realize automatic closing and opening of the openings at both ends of the cleaning chamber and drying chamber, which can effectively ensure the sealing effect. A supporting material frame conveying device is set between the cleaning chamber and the drying chamber, which can realize the single product of electric vehicle batteries. Automated cleaning.

Description of drawings

Fig. 1 is a schematic structural diagram of a supporting material frame for a single battery product according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of the overall structure of the embodiment of the utility model.

Fig. 3 is a schematic structural diagram of a cleaning unit for a single battery pack according to an embodiment of the present invention.

Fig. 4 is a structural schematic diagram of the utility model patent closed door driving mechanism.

Fig. 5 is a pipeline diagram of a water washing system according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a wind-cut drying unit for a single battery pack according to an embodiment of the present invention.

Component label description: 1. Support material frame for battery single product; 11. Side frame; 12. Connecting rod; 13. Support plate; 2. Cleaning unit for battery pack single product; 21. Drain pipe; 22. Bracket; 23. Cleaning box ; 231, outer frame; 232, inner frame; 233, sealed door; 234, horizontal drive cylinder; 235, slide bar; 236, longitudinal drive cylinder; 24, ultrasonic vibration plate; 27. Water pump; 28. Filter; 29. Water inlet pipe; 3. Air-cut drying unit for battery pack; 32. Bracket; 33. Drying box; 331. Outer frame; 332. Inner frame; 34. Conveyor roller; 35 , drive chain; 36, blower; 37, air inlet pipe; 38, heater. 4. Base feeding and conveying device; 5. The first pneumatic three-way ball valve, 6. The second pneumatic three-way ball valve; 7. The first normally open manual ball valve; 8. The second normally open manual ball valve.

Detailed ways

The implementation of the present utility model is illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification.

See Figures 1 through 6. It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the utility model Therefore, it has no technical substantive meaning. Any modification of structure, change of proportional relationship or adjustment of size shall still fall within the scope of The technical content disclosed by the utility model must be within the scope covered. At the same time, terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and are not used to limit this specification. The practicable range of the utility model, and the change or adjustment of its relative relationship, without any substantial change in the technical content, shall also be regarded as the practicable scope of the utility model.

As shown in Figures 1 and 2, the utility model provides a single product cleaning system for electric vehicle batteries, which mainly includes a battery single product support frame 1, three sets of battery pack single product cleaning units 2 and two sets of battery pack single product The wind-cut drying unit 3, the battery single-product support frame 1 is mainly used to place the battery pack single product, the first two battery pack single-product cleaning units 2 are used to clean the battery pack single product through cleaning liquid, and the third battery pack single product The single-product cleaning unit 2 is used for rinsing the battery pack single product with clean water, and the battery pack single-product wind-cut drying unit 3 is used for wind-cut drying the battery pack single product.

As shown in Figure 1, the supporting material frame 1 for the battery single product includes two "A"-shaped side frames 11, and the two side frames 11 are connected by connecting rods 12. The support plate 13. Adopting this support material frame structure can install multiple slender battery single products on one support frame at one time, and does not interfere with each other in the process of wind-cutting and drying, which can achieve a good cleaning effect. And its structure is very simple, strong, and it is also very convenient to use. A base should also be provided under the battery single product support material frame 1 to facilitate transportation.

As shown in Figures 3 and 4, the structural shape of the cleaning box 23 of the single product cleaning unit 2 is similar to the shape of the battery single product support material frame 1, which includes an outer frame 231 and an inner frame 232, and the shape of the inner frame 232 and the outer frame 231 Adapting to the shape of the battery single-product supporting material frame 1 , the shape of the cleaning chamber formed between the inner frame 232 and the outer frame 231 is also compatible with the shape of the battery single-product supporting material frame 1 . The cleaning chamber extends for a certain distance along the longitudinal direction, and the extended distance should be greater than the length of the single-battery supporting material frame 1 , so that the entire single-battery supporting material frame 1 can be placed in the cleaning box 23 . The outer frame 231 and the inner frame 232 of the cleaning box 23 are fixed on the frame 22 .

The front and rear ends of the cleaning chamber are opened and are provided with airtight doors 233. The openings are provided to facilitate the battery single product support material frame 1 to enter the drying chamber from the front end of the cleaning box 23 and be pulled out from the rear end. The sealing door 233 is provided in order to seal the cleaning chamber, so that the single battery can be cleaned in the cleaning chamber. Since the cleaning liquid needs to be injected into the cleaning chamber, it is necessary to ensure that the sealing door 33 can seal the opening, and at the same time, in order to realize automatic cleaning, it is necessary to realize the automatic opening and closing operations of the sealing door. This patent has specially designed a kind of sealing door driving mechanism for this reason, drives the opening and closing of sealing door.

As shown in Figures 3 and 4, the airtight door 233 of each opening of the cleaning chamber is divided into two left and right leaves, and each airtight door 233 corresponds to one side of the opening of the washing chamber, which is equivalent to the two sides of the "A" type opening , each airtight door is connected with the airtight door driving mechanism, and the airtight door driving mechanism is used to drive the airtight door to open or seal the corresponding opening. The airtight door drive mechanism includes a horizontal drive cylinder 234 and two longitudinal drive cylinders 236, the horizontal drive cylinder 234 is hinged with the airtight door 233 through a connector, the horizontal drive cylinder 234 is connected with one of the longitudinal drive cylinders 236, and the two longitudinal drive cylinders 236 Respectively arranged at the upper and lower ends of the airtight door 233, the longitudinal drive cylinder 236 is slidingly connected with a slide bar 235, the horizontal drive cylinder 234 can push the longitudinal drive cylinder 236 to move back and forth along the slide bar, and the longitudinal drive cylinder 236 can drive the airtight door 233 in the longitudinal direction. direction to move in and out.

Shown in Fig. 4 is the driving mechanism of a fan airtight door, and this airtight door driving mechanism, when closing the door, at first pushes airtight door 233 and vertically driven cylinder 236 to move along the transverse direction of horizontal plane by horizontal drive cylinder 234, makes airtight door move to Corresponding to the front of the opening, then the sealing door 233 is driven inwardly by the longitudinal drive cylinder 236 along the longitudinal direction of the horizontal plane, so that the sealing door is pressed against the corresponding opening, so that the opening can be sealed. Set the sealing ring on the edge of the airtight door or opening.

In order to facilitate the entry and exit of the battery single product support material frame 1, an automatic conveying device is provided at the bottom of the cleaning box 23. As a specific implementation, the automatic conveying device includes a plurality of conveying rollers 25 arranged in parallel, and the conveying rollers 25 pass through the inner frame and the outer frame, so that a plurality of output rollers are formed in the drying chamber, and a plurality of parallel output rollers are formed. The arranged conveying rollers are connected with the drive motor through sprockets and transmission chains. When the battery single product is supported on the conveying roller of the material frame 1, the automatic entry and exit of the battery single product support material frame 1 can be realized.

The cleaning tank 23 is connected with the water washing system. The water washing system mainly includes a water pump 27, a filter 28, a water inlet pipe 29, a drain pipe 21 and a liquid storage tank 26. The cleaning tank 23 and the liquid storage tank 26 pass through the water inlet pipe 29, the drain pipe 21, the filter 28 and the water pump 27 are connected, through the water pump 27, the water inlet pipe 29 and the filter 28, the water injection of the liquid storage tank 26 into the cleaning tank 23 is realized, or the liquid storage tank 26 is cleaned through the water pump 27, the drain pipe 21 and the filter 28 Drainage in the tank 3; the filter 28 is used to filter the impurities in the cleaning solution.

In addition to conventional cleaning methods, the water washing system can also use surge and other methods for cleaning. At the same time, the entire cleaning pipeline must complete water intake, drainage, and even automatic cleaning of the water tank. The pipeline diagram of this washing system is as shown in Figure 5, its liquid storage tank 26 and cleaning tank 23, and the water outlet of liquid storage tank 26 passes through the first port of the first normally open manual ball valve 7 and the first pneumatic three-way ball valve 5 connection, the second port of the first pneumatic three-way ball valve 5 is connected to the drain port of the cleaning tank 23 through the second normally open manual ball valve 8, and the third port of the first pneumatic three-way ball valve 5 is connected to the second pneumatic three-way ball valve through the water pump 27 6, the second port of the second pneumatic three-way ball valve 6 is connected to the water inlet of the liquid storage tank 26, the third port of the second pneumatic three-way ball valve 6 is connected to the water inlet of the cleaning tank 23, and the filter 28 It is arranged between the second pneumatic three-way ball valve 6 and the water pump 27 .

The cleaning pipeline structure of the single product of the electric vehicle battery pack can realize four working states through the cooperation between the first pneumatic three-way ball valve 5 and the second pneumatic three-way ball valve 6:

1) It is the water injection state of the cleaning tank 23. At this time, the first port of the first pneumatic three-way ball valve 5 is connected to the third port, and the first port of the second pneumatic three-way ball valve 6 is connected to the third port, so that the Water is poured into the cleaning tank 23 from the liquid storage tank 26 . 2) The washing tank 23 is in the drainage state. At this time, the second port of the first pneumatic three-way ball valve 5 is connected to the third port, and the first port of the second pneumatic three-way ball valve 6 is connected to the second port. Liquid storage tank 26. 3) In the surge cleaning state of the washing tank 26, the second port of the first pneumatic three-way ball valve 5 is connected to the third port, and the first port of the second pneumatic three-way ball valve 6 is connected to the third port. In this way, the self-circulation of water in the cleaning tank 23 can be realized to realize surge cleaning. 4) The state of the liquid storage tank 26 during self-cleaning circulation. At this time, the first port of the first pneumatic three-way ball valve 5 is connected to the third port, and the first port of the second pneumatic three-way ball valve 6 is connected to the second port. Realize the water self-circulation of the liquid storage tank 26 to realize the automatic cleaning of the liquid storage tank.

The outer frame side wall of the cleaning box 23 is provided with an ultrasonic vibrating plate 24, so the electric vehicle battery single product cleaning device can also perform ultrasonic cleaning to achieve a better cleaning effect.

As shown in FIG. 6 , it is a schematic structural view of the wind-cut drying unit 3 for a battery pack single product, which includes a drying box 33. The structural shape of the drying box 33 is similar to the shape of the battery single product supporting material frame 1, and it includes an outer frame 331 and The shape of the inner frame 332, the inner frame 332, and the outer frame 331 is adapted to the shape of the supporting material frame 1 of the battery single product, so that the shape of the drying chamber formed between the inner frame 332 and the outer frame 331 is also consistent with the shape of the supporting material frame 1 of the battery single product. The shape fits. The drying chamber extends for a certain distance along the longitudinal direction, and the extended distance should be greater than the length of the single-battery supporting material frame 1 , so that the entire single-battery supporting material frame 1 can be placed in the drying box 33 . The outer frame 331 and the inner frame 332 of the drying box are fixed on the frame 32 .

The front and rear ends of the drying chamber are open and are provided with airtight doors. The openings are provided to facilitate the battery single-product supporting material frame 1 to enter the drying chamber from the front end of the drying box and be pulled out from the rear end. Setting the airtight door can seal the drying chamber during wind-cut drying, so as to achieve a better drying effect. In order to facilitate the entry and exit of the battery single product support material frame 1, an automatic conveying device is provided at the bottom of the drying box. As a specific embodiment, the automatic conveying device includes a plurality of conveying rollers 34 arranged in parallel, and the conveying rollers 34 pass through the inner frame and the outer frame, so that a plurality of output rollers are formed in the drying chamber, and a plurality of parallel output rollers are formed. The arranged conveying rollers are connected with the drive motor through sprockets and transmission chains. When the battery single product is supported on the conveying roller of the material frame 1, the automatic entry and exit of the battery single product support material frame 1 can be realized.

The wind-cut drying device for electric vehicle battery single product also includes a wind-cut mechanism, the wind-cut mechanism is arranged above the drying box 33, and the wind-cut mechanism includes a blower 36, and the air inlet of the blower 36 is communicated with the drying chamber through an air inlet pipe 37 to The air duct 37 is located on the top of the drying box. In order to achieve a better wind cutting effect, the air inlet of the air inlet duct 37 should be set to be bell-shaped and corresponding to the shape of the drying chamber, so as to achieve a better effect. wind shear drying effect. In order to better dry the single battery, the air inlet of the blower 36 is provided with a heater 38 . And the water that blows off by wind shear can directly fall on the bottom of drying box 33, and drain hole can be set at the bottom of drying box 33 and discharge outwards through water.

The conveying devices of the battery pack single-product cleaning unit 2 and the battery pack single-product wind-cut drying unit 3 are arranged in parallel, so that after each unit completes the corresponding operation, it can be directly sent to the next station through the conveying device for the corresponding operation. In this way, the purpose of automatic cleaning can be achieved.

The supporting material frame 1 of the battery single product can be directly removed from the base after cleaning, and the base of the supporting material frame 1 of the battery single product can be sent to the starting station through the base feeding and conveying device. As shown in Figure 1, the base feeding and conveying device 4 is connected to the end of the last-stage wind-cut drying unit 3 and the starting end of the first-stage battery pack single-product cleaning unit 2, and the base feeding and conveying device 4 is a conveying roller, which can The base is transported from the outlet of the last-stage wind-cut drying unit to the inlet of the first-stage battery pack single-product cleaning unit, so that the base can be recycled.

The electric vehicle battery single-product cleaning system is equipped with a special "A"-shaped support material frame, through which the "A"-shaped support material frame can be very convenient to fix and support the electric vehicle battery single product, while the cleaning box, drying box It is set to a structure suitable for the shape of the "A"-shaped support material frame, which can effectively reduce the space of the cleaning box and drying box, and can save a lot of cleaning water and water resources under the premise of ensuring the cleaning effect. Play a better wind shear drying effect. The patent uses a closed door drive mechanism to realize automatic closing and opening of the openings at both ends of the cleaning chamber and drying chamber, which can effectively ensure the sealing effect. A supporting material frame conveying device is set between the cleaning chamber and the drying chamber, which can realize the single product of electric vehicle batteries. Automated cleaning. Therefore, the utility model effectively overcomes various shortcomings in the prior art and has high industrial application value.

The above-mentioned embodiments only illustrate the principles and effects of the present utility model, but are not intended to limit the present utility model. Anyone familiar with this technology can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed in the utility model should still be covered by the claims of the utility model.

Claims (10)

1. a kind of batteries of electric automobile single-item cleaning system, characterized in that it comprises:

Battery single-item supports material frame, and battery single-item support material frame includes the side frame of two " A " fonts, two side frames it Between by connecting rod connect, the side frame be equipped with for placing battery single-item support plate；

At least one set of battery pack single-item cleaning unit, the battery pack single-item cleaning unit include a cleaning case, the cleaning case A cleaning chamber is formed, the cleaning chamber and battery single-item support material frame shape are adapted, the cleaning case and water wash system Connection, the cleaning chamber both ends open and equipped with hermatic door；

At least one set of battery pack single-item wind cuts drying unit, and it includes a drying box, institute that the battery pack single-item wind, which cuts drying unit, It states drying box and forms a drying chamber, the drying box is connect with air blower, and the air inlet of the air blower passes through blast pipe and institute Drying chamber connection is stated, the blast pipe is located at the top of the drying box, the drying box both ends open and equipped with hermatic door；

Support material frame conveying device, the support material frame conveying in the cleaning chamber, drying chamber are equipped in the cleaning chamber, drying chamber Device is arranged successively to form support material frame transfer passage.

2. batteries of electric automobile single-item cleaning system according to claim 1, which is characterized in that the cleaning case includes interior Frame and outer rim, the interior frame, outer rim shape and battery single-item support material frame shape are adapted, the inner edge The cleaning chamber is formed between frame, outer rim, the cleaning chamber extends in the longitudinal direction certain distance.

3. batteries of electric automobile single-item cleaning system according to claim 2, it is characterised in that: the support material frame conveying Device includes the conveying roller of more parallel arrangeds, and the conveying roller passes through the interior frame and outer rim, multiple parallel arrangeds Conveying roller is connect by sprocket wheel and transmission chain with driving motor.

4. batteries of electric automobile single-item cleaning system according to claim 1, it is characterised in that: the outside of the cleaning case Frame side wall is equipped with ultrasonic wave shake plate.

5. batteries of electric automobile single-item cleaning system according to claim 1, it is characterised in that: the hermatic door is divided into a left side The right side two is fanned, and every fan hermatic door is connect with a sealing door drive mechanism, and the sealing door drive mechanism is for driving the sealing Corresponding opening is opened or sealed to door.

6. batteries of electric automobile single-item cleaning system according to claim 5, it is characterised in that: the hermatic door driving machine Structure includes a laterally driven cylinder and two zigzag tread patterns cylinders, and the laterally driven cylinder passes through connector and the hermatic door Hingedly, the laterally driven cylinder is connect with one of zigzag tread patterns cylinder, and two zigzag tread patterns cylinders are separately positioned on institute The upper and lower ends of hermatic door are stated, the zigzag tread patterns cylinder is connect with a sliding bar, and the laterally driven cylinder can push institute It states zigzag tread patterns cylinder to move back and forth along the slide bar, the zigzag tread patterns cylinder can drive the hermatic door in a longitudinal direction Inside and outside movement.

7. batteries of electric automobile single-item cleaning system according to claim 1, it is characterised in that: the water wash system includes The water outlet of liquid reserve tank, the liquid reserve tank is connected by the first port of the first normally opened manual ball valve and the first Pneumatic three-way ball valve It connecing, the second port of first Pneumatic three-way ball valve is connect by the second normally opened manual ball valve with the cleaning case discharge outlet, The third port of first Pneumatic three-way ball valve is connect by water pump with the first port of the second Pneumatic three-way ball valve, and described the The second port of two Pneumatic three-way ball valves and the water inlet of liquid reserve tank, the third port and cleaning of second Pneumatic three-way ball valve The water inlet of case connects.

8. batteries of electric automobile single-item cleaning system according to claim 1, it is characterised in that: the air inlet of the air blower Mouth is equipped with heater.

9. batteries of electric automobile single-item cleaning system according to claim 1, it is characterised in that: the air inlet of the blast pipe Mouth is in the shape of a trumpet corresponding with the shape of the drying chamber.

10. batteries of electric automobile single-item cleaning system according to claim 1, it is characterised in that: it further includes a pedestal Infeed conveyor, the pedestal infeed conveyor connection afterbody product wind cut drying unit and first order battery pack single-item Cleaning unit, the pedestal infeed conveyor, which is used to pedestal cutting drying unit outlet from afterbody product wind, is delivered to first Grade battery pack single-item cleaning unit import.