阅读说明：本技术 一种电池灌酸装置及控制方法 (A kind of battery acid filling device and control method ) 是由 戴北平 于 2019-08-27 设计创作，主要内容包括：本发明公开了一种电池灌酸装置,属于电池生产技术领域,包括机架、注酸组件、抽真空组件和电池安装架；所述注酸组件和所述抽真空组件均设在所述机架上,所述电池安装架设在所述机架的一侧,所述注酸组件与所述抽真空组件连通；灌酸组件用于对电池灌酸,抽真空组件用于保持电池内腔为真空状态。通过设置注酸组件和抽真空组件在电池的负极及正极,实现自动将酸灌入电池内腔,边灌酸边对电池内腔的压力检测,保证了电池内腔为真空状态,保证了灌酸的效率,设有观察罐,便于操作人员观察电池是否灌满酸,实现了自动取料、自动灌酸和自动检测真空状态的整个灌酸过程的自动化操作,灌酸效率高,节省人力。(The invention discloses a kind of battery acid filling devices, belong to technical field of battery production, including rack, acid filling component, vacuumizing assembly and battery installing rack；The acid filling component and the vacuumizing assembly are each provided in the rack, and the battery installing rack is located at the side of the rack, and the acid filling component is connected to the vacuumizing assembly；Acid filling component is used for battery acid filling, and vacuumizing assembly is vacuum state for keeping battery compartment.By the way that acid filling component and vacuumizing assembly is arranged in the cathode and anode of battery, acid is poured into battery compartment automatically by realization, in acid filling to the pressure detecting of battery compartment, it ensure that battery compartment is vacuum state, ensure that the efficiency of acid filling, be equipped with observation tank, observe whether battery fills acid convenient for operator, the automatic operation of the entire acid filling process of automatic material taking, automatic battery acid filling and automatic detection vacuum state is realized, acid filling is high-efficient, saves manpower.)

1. a kind of battery acid filling device, which is characterized in that including rack, acid filling component, vacuumizing assembly and battery installing rack；Institute It states acid filling component and the vacuumizing assembly is each provided in the rack, the battery installing rack is located at the side of the rack, The acid filling component is connected to the vacuumizing assembly；

The acid filling component includes acid storage tank, magnetic drive pump, measuring tank, acid filling tank and multiple acid filling pipelines；The magnetic drive pump it is defeated Enter end to be connected to the acid storage tank, the No.1 orifice of the output end of the magnetic drive pump and the measuring tank, the measuring tank No. two interfaces and the acid filling tank No.1 orifice, No. two interfaces of the acid filling pipe and the multiple acid filling pipe The one end in road is connected to；

The vacuumizing assembly includes vacuum pump, the first pans, the second pans and multiple acid extracting pipe roads, the vacuum pump It is evacuated the No.1 orifice at end and first pans, the second interface of shown No.1 pans and second pans No.1 orifice, the one end in multiple acid extracting pipe roads is connected to the other end of multiple acid filling pipelines one by one respectively, The other end in multiple acid extracting pipe roads with No. two orifices of second pans.

2. a kind of battery acid filling device according to claim 1, which is characterized in that the vacuumizing assembly further includes multiple Tank is inspected, multiple No.1 interfaces for inspecting tank are connected to the one end in the acid extracting pipe road one by one respectively, multiple inspections No. two interfaces of tank are connected to second pans, and the inspection tank is transparent tank body.

3. a kind of battery acid filling device according to claim 2, which is characterized in that the vacuumizing assembly further includes taking out very Empty main valve, battery vacuum-pumping valve, electro connecting pressure gauge and relief valve, the pumping of the described one end for vacuumizing main valve and the vacuum pump The connection of gas end, the No.1 orifice of the other end for vacuumizing main valve and first pans；The battery vacuum-pumping The other end of No. two orifices of one end of valve and second pans, multiple acid extracting pipe roads converges and the battery The other end of vacuum pumping valve is connected to；The test side of the electro connecting pressure gauge is located at the remittance of the other end in multiple acid extracting pipe roads At conjunction；One end of the relief valve is connected to the other end of the battery vacuum-pumping valve.

4. a kind of battery acid filling device according to claim 1, which is characterized in that the acid filling component further includes metering Valve, acid filling valve and speed-regulating valve, No. two orifices of one end of the speed-regulating valve and the acid filling tank, the speed The other end of regulating valve is connected to one end of the acid filling valve, the other end of the acid filling valve respectively with multiple acid extracting pipe roads One end connection, No. two orifices of one end of the metering valve and the measuring tank, the other end of the metering valve and institute State the No.1 orifice of acid filling tank.

5. a kind of battery acid filling device according to claim 4, which is characterized in that the acid filling component further includes multiple streams Valve is measured, the vacuumizing assembly further includes taking out sour switch valve, and one end of multiple flow valves is another with the acid filling valve End connection；Multiple described one end for taking out sour switch valve are connected to the one end in multiple acid extracting pipe roads one by one respectively.

6. a kind of battery acid filling device according to claim 2, which is characterized in that the vacuumizing assembly further includes letting out acid Slot is located at the lower section for inspecting tank with sour valve, the acid tank of letting out is let out, and described one end for letting out sour valve is connected to the pans, institute It states and lets out the other end of sour valve and be connected to the acid tank of letting out；No. three interfaces of described one end for letting out sour valve and second pans connect Logical, the other end for letting out sour valve is connected to the acid tank of letting out.

7. a kind of battery acid filling device according to claim 1, which is characterized in that the surface of the battery installing rack is equipped with Multiple battery mounting plates and multiple battery floor backup plates, multiple described battery mounting plates or so are arranged in parallel, the battery floor backup plate It is located between the another battery mounting plate, the lower section of the battery installing rack is equipped with sliding block and sliding rail, and the sliding block is located at institute The bottom of battery installing rack is stated, the sliding block is slidably matched with the sliding rail.

8. a kind of battery acid filling device according to claim 5, which is characterized in that the acid filling component further includes multiple notes Sour pipette tips, the vacuumizing assembly further include the sour pipette tips of multiple pumpings, and the acid filling pipette tips include the first slider cylinder, acid filling installation Seat and battery acid filling mouth, first slider cylinder are located at the front side of the battery installing rack, and the acid filling mounting base is located at institute The telescopic end of slider cylinder is stated, the battery acid filling mouth is located in the acid filling mounting base, the battery acid filling mouth and the stream Measure the other end connection of valve；The sour pipette tips of the pumping include the second slider cylinder, take out sour mounting base and battery takes out sour mouth, and described second Slider cylinder is located at the rear side of acid filling mounting base, and the telescopic end taken out sour mounting base and be located at second slider cylinder is described Battery is taken out sour mouth and is located in the sour mounting base of the pumping, and the battery is taken out sour mouth and is connected to described one end for taking out sour switch valve.

9. a kind of battery acid filling device according to claim 1, which is characterized in that further include acid filling robot, the filling Sour robot is located at the side of the battery installing rack, and the movable end of the acid filling robot is equipped with clamp bracket.

10. a kind of battery acid filling apparatus control method, which is characterized in that use a kind of described in any item electricity of claim 1-9 Basin irrigation acid device, comprising the following steps:

Step S1: mechanical arm installs the battery to acid filling to battery installing rack, and makes the cathode pair of acid filling pipette tips and battery It answers, it is corresponding with the anode of battery to take out sour pipette tips；

Step S2: magnetic pump operation simultaneously starts timing, and magnetic drive pump injects the acid in acid storage tank in measuring tank, and opens simultaneously true Sky pump vacuumizes main valve, battery vacuum valve, makes vacuum pump to battery vacuum-pumping；

Step S3: after the timing of magnetic drive pump, closing magnetic drive pump, open simultaneously metering pot valve, and the acid in measuring tank passes through After metering valve injects acid filling tank, metering valve is closed；

Step S4: when electro connecting pressure gauge detects that the vacuum pressure of battery reaches the pressure of setting, closing vacuumizes main valve, And whether detection vacuum sealing for 5 seconds is normal；

Step S5: if detecting, the vacuum sealing of battery is normal, opens acid filling valve and starts timing, acid filling pipette tips and the sour pipette tips of pumping Acid is sucked battery by work；

Step S6: after acid filling timing, closing acid filling valve and battery vacuum-pumping valve, and acid filling pipette tips are separated with battery, It opens and battery relief valve and lets out sour valve, the acid for keeping inside battery extra is arranged to letting out acid tank.

Technical field

The present invention relates to technical field of battery production more particularly to a kind of battery acid filling device and control methods.

Background technique

The acid filling of horizon battery is generally vacuum acid filling, thus the air-leakage test process to battery need to be in battery acid filling Before, for preventing battery leakage acid.The detection mode taken is inflating pressure and to keep pressure certain time into battery case Its internal pressure drop is detected, afterwards to judge whether gas leakage；Pressure is then discharged into acid filling again；Acid filling is by battery liquid (certain density sulfuric acid) quantitatively pours into battery, and the acid filling mode often used is first to vacuumize shell, then passes through shell The negative pressure generated in vivo is by electrolyte suction casing.Therefore, air-leakage test and acid filling are two procedures in actual production process, Operation need to be completed in two equipment, and two equipment occupy larger space, need to match two operator's cooperations could complete behaviour Make, and need first inflating pressure discharge again, then vacuumizes, and the time used in vacuumizing is often very long, this allows for air-tightness Detection and acid filling process are relatively complicated, and the production time is longer.

Summary of the invention

It is an object of the invention to propose a kind of battery acid filling device and control method.

To achieve this purpose, the present invention adopts the following technical scheme:

A kind of battery acid filling device, including rack, acid filling component, vacuumizing assembly and battery installing rack；The acid filling component and The vacuumizing assembly is each provided in the rack, and the battery installing rack is located at the side of the rack, the acid filling component It is connected to the vacuumizing assembly；

The acid filling component includes acid storage tank, magnetic drive pump, measuring tank, acid filling tank and multiple acid filling pipelines；The magnetic drive pump it is defeated Enter end to be connected to the acid storage tank, the No.1 orifice of the output end of the magnetic drive pump and the measuring tank, the measuring tank No. two interfaces and the acid filling tank No.1 orifice, No. two interfaces of the acid filling pipe and the multiple acid filling pipe The one end in road is connected to；

The vacuumizing assembly includes vacuum pump, the first pans, the second pans and multiple acid extracting pipe roads, the vacuum pump It is evacuated the No.1 orifice at end and first pans, the second interface of shown No.1 pans and second pans No.1 orifice, the one end in multiple acid extracting pipe roads is connected to the other end of multiple acid filling pipelines one by one respectively, The other end in multiple acid extracting pipe roads with No. two orifices of second pans.

Preferably, the vacuumizing assembly further includes multiple inspection tanks, it is multiple it is described inspect tanks No.1 interfaces respectively with The one end in the acid extracting pipe road is connected to one by one, and multiple No. two interfaces for inspecting tank are connected to second pans, institute Stating and inspecting tank is transparent tank body.

Preferably, the vacuumizing assembly further includes vacuumizing main valve, battery vacuum-pumping valve, electro connecting pressure gauge and pressure release Valve, described one end for vacuumizing main valve are connected to the pumping end of the vacuum pump, the other end for vacuumizing main valve with it is described The No.1 orifice of first pans；No. two interfaces of one end of the battery vacuum-pumping valve and second pans connect Logical, the other end in multiple acid extracting pipe roads converges to be connected to the other end of the battery vacuum-pumping valve；The electric contact pressure The test side of table is located at the meet of the other end in multiple acid extracting pipe roads；One end of the relief valve and the battery are taken out true The other end of empty valve is connected to.

Preferably, the acid filling component further includes metering valve, acid filling valve and speed-regulating valve, and the one of the speed-regulating valve No. two orifices at end and the acid filling tank, the other end of the speed-regulating valve are connected to one end of the acid filling valve, institute The other end for stating acid filling valve is connected to the one end in multiple acid extracting pipe roads respectively, one end of the metering valve and the measuring tank No. two orifices, the No.1 orifice of the other end of the metering valve and the acid filling tank.

Preferably, the acid filling component further includes multiple flow valves, and the vacuumizing assembly further includes taking out sour switch valve, more One end of a flow valve is connected to the other end of the acid filling valve；Multiple described one end for taking out sour switch valves respectively with it is more The one end in a acid extracting pipe road is connected to one by one.

Preferably, the vacuumizing assembly further includes letting out acid tank and letting out sour valve, and the acid tank of letting out is located at the inspection tank Lower section, described one end for letting out sour valve are connected to the pans, and the other end for letting out sour valve is connected to the acid tank of letting out；It is described One end of sour valve and No. three orifices of second pans are let out, the other end for letting out sour valve and the acid tank of letting out connect It is logical.

Preferably, the surface of the battery installing rack is equipped with multiple battery mounting plates and multiple battery floor backup plates, Duo Gesuo It states battery mounting plate or so to be arranged in parallel, the battery floor backup plate is located between the another battery mounting plate, the battery peace The lower section shelved is equipped with sliding block and sliding rail, and the sliding block is located at the bottom of the battery installing rack, the sliding block and the sliding rail It is slidably matched.

Preferably, the acid filling component further includes multiple acid filling pipette tips, and the vacuumizing assembly further includes the sour rifle of multiple pumpings Head, the acid filling pipette tips include the first slider cylinder, acid filling mounting base and battery acid filling mouth, and first slider cylinder is located at institute The front side of battery installing rack is stated, the acid filling mounting base is located at the telescopic end of the slider cylinder, and the battery acid filling mouth is located at In the acid filling mounting base, the battery acid filling mouth is connected to the other end of the flow valve；The sour pipette tips of the pumping include second Slider cylinder takes out sour mounting base and the sour mouth of battery pumping, and second slider cylinder is located at the rear side of acid filling mounting base, the pumping acid Mounting base is located at the telescopic end of second slider cylinder, and the battery is taken out sour mouth and is located in the sour mounting base of the pumping, the electricity It takes out sour mouth and is connected to described one end for taking out sour switch valve in pond.

It preferably, further include acid filling robot, the acid filling robot is located at the side of the battery installing rack, the filling The movable end of sour robot is equipped with clamp bracket.

A kind of battery acid filling apparatus control method uses battery acid filling device, comprising the following steps:

Step S1: mechanical arm installs the battery to acid filling to battery installing rack, and makes the cathode pair of acid filling pipette tips and battery It answers, it is corresponding with the anode of battery to take out sour pipette tips；

Step S2: magnetic pump operation simultaneously starts timing, and magnetic drive pump injects the acid in acid storage tank in measuring tank, and opens simultaneously true Sky pump vacuumizes main valve, battery vacuum valve, makes vacuum pump to battery vacuum-pumping；

Step S3: after the timing of magnetic drive pump, closing magnetic drive pump, open simultaneously metering pot valve, and the acid in measuring tank passes through After metering valve injects acid filling tank, metering valve is closed；

Step S4: when electro connecting pressure gauge detects that the vacuum pressure of battery reaches the pressure of setting, closing vacuumizes main valve, And whether detection vacuum sealing for 5 seconds is normal；

Step S5: if detecting, the vacuum sealing of battery is normal, opens acid filling valve and starts timing, acid filling pipette tips and the sour pipette tips of pumping Acid is sucked battery by work；

Step S6: after acid filling timing, closing acid filling valve and battery vacuum-pumping valve, and acid filling pipette tips are separated with battery, It opens and battery relief valve and lets out sour valve, the acid for keeping inside battery extra is arranged to letting out acid tank.

The invention has the benefit that by the way that acid filling component and vacuumizing assembly is arranged in the cathode and anode of battery, in fact Acid is now poured into battery compartment automatically, in acid filling to the pressure detecting of battery compartment, ensure that battery compartment is vacuum state, Ensure that the efficiency of acid filling, be equipped with observation tank, convenient for operator observe battery whether fill acid, realize automatic material taking, from The automatic operation of dynamic acid filling and the entire acid filling process of automatic detection vacuum state, acid filling is high-efficient, saves manpower.

Detailed description of the invention

The present invention will be further described for attached drawing, but the content in attached drawing does not constitute any limitation of the invention.

Fig. 1 is overall structure diagram of the invention；

Fig. 2 is the connection schematic diagram of structure of the invention；

Fig. 3 is rearview of the invention；

Fig. 4 is the structural schematic diagram of acid filling pipette tips of the invention；

Fig. 5 is the structural schematic diagram of the sour pipette tips of pumping of the invention.

Wherein: rack 1, acid filling component 2, vacuumizing assembly 3, battery installing rack 4, to acid filling battery 5, acid storage tank 21, magnetic Power pumps 22, measuring tank 23, acid filling tank 24, acid filling pipeline 25, vacuum pump 31, the first pans 32, the second pans 33, acid extracting pipe Road 34 inspects tank 35, vacuumizes main valve 311, battery vacuum-pumping valve 331, electro connecting pressure gauge 332, relief valve 333, metering valve 231, acid filling valve 241, speed-regulating valve 242, flow valve 251, let out acid tank 335, let out sour valve 334, take out sour switch valve 341, battery Mounting plate 41, sliding rail 43, acid filling pipette tips 26, takes out sour pipette tips 36, the first slider cylinder 261, acid filling mounting base at battery floor backup plate 42 262, the sour mounting base 362 of battery acid filling mouth 263, the second slider cylinder 361, pumping, battery take out sour mouth 363, acid filling robot 6, folder Hold bracket 61.

Specific embodiment

To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.

A kind of battery acid filling device of the present embodiment as shown in attached drawing 1 and 3, including rack 1, acid filling component 2, vacuumizes Component 3 and battery installing rack 4；Acid filling component 2 and vacuumizing assembly 3 are each provided in rack 1；

The surface of battery installing rack 4 is equipped with multiple battery mounting plates 41 and multiple battery floor backup plates 42, multiple battery mounting plates 41 Left and right is arranged in parallel, and battery floor backup plate 42 is located between another battery mounting plate 41, the lower section of battery installing rack 4 be equipped with sliding block and Sliding rail 43, sliding block are located at the bottom of battery installing rack 4, and sliding block is slidably matched with sliding rail 43.

As shown in Fig. 2, acid filling component 2 includes acid storage tank 21, magnetic drive pump 22, measuring tank 23, acid filling tank 24, multiple acid fillings Pipeline 25, metering valve 231, acid filling valve 241, speed-regulating valve 242 and multiple acid filling pipette tips 26, the input terminal of magnetic drive pump 22 and storage Sour tank 21 is connected to, the output end of magnetic drive pump 22 and the No.1 orifice of measuring tank 23, No. two interfaces of measuring tank 23 and metering One end of valve 231 is connected to, the other end of metering valve 231 and the No.1 orifice of acid filling tank 24, No. two interfaces of acid filling tank 24 It is connected to one end of speed-regulating valve 242, the other end of speed-regulating valve 242 is connected to one end of acid filling valve 241, acid filling valve 241 other end is connected to multiple flow valves 251 one by one respectively, and multiple flow valves 251 are respectively connected with note by acid filling pipeline 25 Sour pipette tips 26, acid filling pipette tips 26 are corresponding with the cathode to acid filling battery 5, connect acid filling pipette tips 26 with the battery compartment to acid filling It is logical.

Metering valve 231 is used to control the amount that measuring tank 23 injects acid filling tank 24；Acid filling valve 241 for control acid filling tank 24 with The folding of acid filling pipette tips 26；Speed-regulating valve 242 is used to adjust the time of acid filling.

Flow valve 251 is used to adjust the acidfilling amount balance of each battery, is evenly distributed to acid in each acid filling pipette tips 26, Since to multiple battery acid fillings, flow valve 251 is arranged simultaneously, convenient for controlling the acid filling time to all batteries.

Vacuumizing assembly 3 includes vacuum pump 31, the first pans 32, the second pans 33, multiple acid extracting pipe roads 34, multiple Tank 35 is inspected, main valve 311 is vacuumized, battery vacuum-pumping valve 331, electro connecting pressure gauge 332, relief valve 333, lets out acid tank 335, lets out Sour valve 334 and the sour pipette tips 36 of pumping, the No.1 orifice at the pumping end and the first pans 32 of vacuum pump 31, the first pans 32 No. two interfaces be connected to the first interface of the second pans 33, No. two interfaces of the second pans 33 and battery vacuum-pumping valve 331 connections, No. three interfaces of the second pans 33 are connected to the one end for letting out sour valve 334, are let out the other end of sour valve 334 and are let out acid tank 335 connections, the other end of battery vacuum-pumping valve 331 are connected to No. two interface meets for inspecting tank 35, one end of relief valve 333 It is connected to No. two interface meets for inspecting tank 35 with the test side of electro connecting pressure gauge 332, multiple No.1s for inspecting tank 35 Interface is connected to multiple one end for taking out sour switch valve 341 one by one respectively, and multiple other ends for taking out sour switch valve 341 pass through more respectively A acid extracting pipe road 34 is connected to the sour pipette tips 36 of multiple pumpings, is taken out sour pipette tips 36 with to the positive corresponding of acid filling battery 5, is made acid filling pipette tips 26 are connected to the battery compartment to acid filling, to be connected to acid filling component 2.

Tank 35 and cell communication are inspected, in acid filling, since battery vacuum-pumping valve 331 is closed, sour switch valve 341 is taken out and beats It opens, therefore after battery fills acid, tank 35 is inspected in acid solution injection, therefore checks whether each battery fills to the observation for inspecting tank 35 It is full.

It is filled with acid solution if observing and inspecting in tank 35, that is, proves that the battery complete by acid filling.

It vacuumizes main valve 311 and vacuumizes situation for control entire pipeline loop；Battery vacuum-pumping valve 331 is for controlling Vacuum pump 31 vacuumizes inside battery；Electro connecting pressure gauge 332 is used to detect the vacuum pressure in battery, in acid filling process In, if electro connecting pressure gauge 332 detects low pressure, opens vacuum pump 31 and vacuumize main valve 311, if detecting high-voltage signal When, it closes vacuum pump 31 and vacuumizes main valve 311, the air pressure of internal duct is made to keep sets requirement range；It is complete in battery acid filling Cheng Hou makes pipeline restore normal pressure filling, convenient for inside battery and inspects acid row extra in tank 35 by opening relief valve 333 Out.

Acid tank 335 is let out for extra acid recovery, lets out sour valve 334 for after completing acid filling letting out, extra acid injection Acid tank 335 realizes the centralized recovery to acid solution.

As shown in Fig. 4, acid filling pipette tips 26 include the first slider cylinder 261, acid filling mounting base 262 and battery acid filling mouth 263, the first slider cylinder 261 is located at the front side of battery installing rack 4, and acid filling mounting base 262 is located at the telescopic end of slider cylinder, electricity Pond acid filling mouth 263 is located in acid filling mounting base 262, and battery acid filling mouth 263 is connected to the other end of flow valve 251.

As shown in Fig. 5, taking out sour pipette tips 36 includes that the second slider cylinder 361, the sour mounting base 362 of pumping and battery take out sour mouth 363, the second slider cylinder 361 is located at the rear side for beatting up acid filling mounting base 262, takes out sour mounting base 362 and is located at the second slider cylinder 361 Telescopic end, battery takes out sour mouth 363 and is located in the sour mounting base 362 of pumping, and battery takes out sour mouth 363 and takes out one end of sour switch valve 341 Connection.

Acid filling pipette tips 26 are mounted in the first slider cylinder 261, realize that acid filling pipette tips 26 are automatically corresponding with the cathode of battery, It takes out sour pipette tips 36 to be mounted in the second slider cylinder 361, realizes that the sour pipette tips 36 of pumping are automatically corresponding with the anode of battery.

It further include acid filling robot 6 as shown in attached drawing 1 and 3, acid filling robot 6 is located at the side of battery installing rack 4, fills The movable end of sour robot 6 is equipped with clamp bracket 61.

Acid filling robot 6 is used to battery being clamped to battery installing rack 4, and after the completion of acid filling, acid filling robot 6 is by battery Battery installing rack 4 is left in clamping, and battery is placed on battery installing rack 4 without operator, manpower is saved, improves life Produce efficiency.

Battery is mounted between two battery mounting plates 41, for the limit to battery left-right position, and battery floor is arranged Backup plate 42, for the limit to battery upper and lower position, avoid acid filling pipette tips 26 and take out sour pipette tips 36 and battery to it is corresponding when displacement, Realize that acid filling pipette tips 26 are corresponding with the cathode of battery, and take out sour pipette tips 36 and battery it is positive it is corresponding be automatically brought into operation, nothing It needs operator that battery and the sour pipette tips 36 of pumping or acid filling pipette tips 26 is corresponding one by one, saves manpower, improve production efficiency.

The battery acid filling apparatus control method of the present embodiment, comprising the following steps:

Step S1: mechanical arm installs the battery to acid filling to battery installing rack 4, and makes the cathode of acid filling pipette tips 26 Yu battery It is corresponding, it is corresponding with the anode of battery to take out sour pipette tips 36；

Step S2: magnetic drive pump 22 works and starts timing, and magnetic drive pump 22 injects the acid in acid storage tank 21 in measuring tank 23, and same When open vacuum pump 31, vacuumize main valve 311, battery vacuum valve, make vacuum pump 31 to battery vacuum-pumping；

Step S3: after the timing of magnetic drive pump 22, closing magnetic drive pump 22, opens simultaneously and measures pot valve 231, in measuring tank 23 Acid by metering valve 231 inject acid filling tank 24 after, close metering valve 231；

Step S4: when electro connecting pressure gauge 332 detects that the vacuum pressure of battery reaches the pressure of setting, closing vacuumizes total Valve 311, and whether detection vacuum sealing for 5 seconds is normal；

Step S5: if detecting, the vacuum sealing of battery is normal, opens acid filling valve 241 and starts timing, acid filling pipette tips 26 and pumping Acid is sucked battery by the sour work of pipette tips 36；

Step S6: after acid filling timing, closing acid filling valve 241 and battery vacuum-pumping valve 331, and by acid filling pipette tips 26 and electricity Pond separation, opens battery relief valve 333, and the extra acid of inside battery is arranged to letting out acid tank 335.

The technical principle of the invention is described above in combination with a specific embodiment.These descriptions are intended merely to explain of the invention Principle, and shall not be construed in any way as a limitation of the scope of protection of the invention.Based on the explanation herein, the technology of this field Personnel can associate with other specific embodiments of the invention without creative labor, these modes are fallen within Within protection scope of the present invention.