Summary of the invention
In order to which working efficiency is low when solving to inflate detection battery big cover manually in the prior art, examines not accurate enough skill
Art problem, the application provide a kind of big lid air-tightness detection device of lead-acid accumulator, specifically include following technical scheme:
A kind of big lid air-tightness detection device of lead-acid accumulator, including driving mechanism and the inflation being mounted in driving mechanism
Pipe, the driving mechanism drive the gas tube to move in perpendicular;The side wall of the gas tube one end, which is equipped with, to be filled
Gas nozzle, sealing ring is equipped at the air inflation nozzle, and the other end is connected to by gas circuit with compressed air source unit;
Further include vent hole seal mechanism, covers the gas vent on side greatly for sealed cell;
It further include air pressure testing agency, for measuring the pressure information in the gas circuit.
Wherein, the driving mechanism includes the first cylinder being vertically arranged, and the piston rod end of first cylinder is fixed
There is mounting plate, the bottom surface of the mounting plate is horizontally disposed the second cylinder.
It wherein, further include location structure, for mounting and positioning the battery big cover, the location structure includes positioning
Plate, sets that there are two moveable lateral adjustments block and two removable longitudinal regulating blocks, the lateral adjustments on the positioning plate
Block and longitudinal regulating block surround a locating slot, for positioning to the battery big cover.
Wherein, the vent hole seal mechanism includes two third cylinders, and it is described fixed that described two third cylinders are mounted on
On the plate of position and it is separately positioned on the outsides of two lateral adjustments blocks, is equipped with one end of piston rod close to the lateral adjustments block,
The end of the third cylinder piston rod is equipped with gasket.
Wherein, second cylinder includes two, and the gas tube also includes two, and two gas tubes are separately positioned on two
The piston rod end of a second cylinder.
It wherein, further include installation casing, the installation casing is equipped with an erecting bed, and the location structure is arranged in the peace
It fills on platform;The driving mechanism upper end is fixed on the installation casing and is located at the surface of the location structure.
Wherein, the air pressure testing agency includes the gas pressure sensor being arranged in the gas circuit.
It further, further include the control panel being arranged on the installation casing, the control panel and the gas
The output end of pressure sensor connects, for showing the pressure information in gas circuit.
Further, the driving mechanism further includes the guidance set that first cylinder two sides are arranged in, the guiding
Component lower end is connect with the mounting plate.
It further, further include warning device, for the hair when detecting that pressure information is less than preset value in the gas circuit
Warning message out.
According to above-described embodiment the big lid air-tightness detection device of lead-acid accumulator, by location structure to battery big cover into
After row is accurately positioned, vent hole seal mechanism action seals up the gas vent on battery big cover two sides, then driving mechanism band
Dynamic gas tube, to inflation and pressure maintaining several seconds in battery protecting cover, is detected in gas circuit automatically by liquid injection hole by air pressure testing agency
Air pressure this method and passes through liquid detecting after manually inflating by whether the air-tightness for having pressure drop to judge battery big cover
Method compare, realize automation inflation and detection, detection efficiency it is higher and detection accuracy it is also higher.
Specific embodiment
Below by specific embodiment combination attached drawing, invention is further described in detail.
It is herein component institute serialization number itself, such as " first ", " second " etc., is only used for distinguishing described object,
Without any sequence or art-recognized meanings.And " connection ", " connection " described in the application, unless otherwise instructed, include directly and
It is indirectly connected with (connection).
The present embodiment provides a kind of big lid air-tightness detection device of lead-acid accumulator, such as Fig. 1, including installation casing 1, the peace
Shell 1 of installing is equipped with an erecting bed, and the both ends on the erecting bed are provided with vent hole seal mechanism 5, for big to battery
Lid 6 carries out sealing up the gas vent 62 on 6 side of battery big cover when air-leakage test.The upper end of installation casing is provided with a driving
Mechanism, the driving mechanism lower end are equipped with gas tube 3, and driving mechanism is used to that gas tube 3 to be driven to move in perpendicular, so that
3 lower end of gas tube puts in the liquid injection hole 61 on battery big cover 6, and the air inflation nozzle 31 on 3 side wall of gas tube is directed at liquid injection hole 61
It gas vent (not marked in figure) on side wall and is sealed with the gas vent junction, inside the gas vent and battery big cover and battery
Gas vent 62 on big 6 side of lid is connected to.Then it is inflated by the air inflation nozzle 31 into battery big cover 6, one after the completion of inflation
The pressure information in gas circuit is detected in fixing time by air pressure testing agency, illustrates that battery is big if pressure information remains unchanged
6 air-tightness of lid is good, otherwise illustrates battery big cover 6 there are leakage problems, thus completes the detection to 6 air-tightness of battery big cover.
Wherein, if Fig. 2-5, the driving mechanism include the first cylinder 21 being vertically arranged, the upper end of the first cylinder 21 is fixed
In the upper end of installation casing 1, the piston rod end of the first cylinder 21 is horizontally fixed with a mounting plate 22, in the mounting plate 22
Bottom surface is horizontally disposed there are two the second cylinder 23, and one end of the piston rod of the second cylinder of two of them 23 is oppositely arranged, and two the
The piston rod end of two cylinders 23 passes through mounting rack respectively and is connected with a gas tube 3.When inflating in this way, pass through the first cylinder 21
The decline of gas tube 3 is driven to put in the liquid injection hole 61 of 6 upper surface of battery big cover, then the second cylinder 23 works, and drives gas tube 3
Horizontal movement is directed at the air inflation nozzle on 3 side wall of gas tube and puts in the gas vent on 61 side wall of liquid injection hole, so that air inflation nozzle
31 can inflate into battery big cover 6, also to ensure that the leakproofness of air inflation nozzle 31 and gas vent junction, in air inflation nozzle 31
It is additionally provided with a sealing ring 32, which is flexible plastic material, when air inflation nozzle 31 puts in the row on 61 side wall of liquid injection hole
When stomata, which, which receives to squeeze, just plays the role of sealing to the contact position of air inflation nozzle 31 and 61 side wall of liquid injection hole.
Further, in order to ensure that driving mechanism movement stability, be additionally provided with and lead in the two sides of the first cylinder 21
To component 24, which connect with mounting plate 22, and upper end is fixed on installation casing 1.
Further, which further includes the location structure 4 being arranged on the erecting bed of installation casing 1, for battery
Big lid 6 is accurately positioned.The location structure 5 includes a positioning plate 41, and there are two moveable horizontal for installation on positioning plate 4
The longitudinal regulating block 43 mobile to adjusting block 42 and two, two lateral adjustments blocks 42 and two longitudinal regulating blocks 43 surround one
Battery big cover 6 is mounted in the locating slot by the locating slot of rectangular area, realizes the accurate positioning to battery big cover 6.Specifically
, the both sides for installing longitudinal regulating block 43 in the present embodiment on positioning plate 41 are equipped with multiple rows of vertical adjustment screw hole 412, per adjacent
Spacing between two rows of vertical adjustment screw holes 412 is smaller, and mounting hole is equipped in two longitudinal regulating blocks 43, by screw by two
A longitudinal regulating block 43 is fixed on 412 position of vertical adjustment screw hole, while adjustable two longitudinal regulating blocks 43 and other rows
Vertical adjustment screw hole 412 it is fixed, to adjust the width between two longitudinal regulating blocks 43, more polytypic can be applicable in this
The width of battery big cover 6.In addition, being additionally provided with the mounting groove 413 of two transverse directions on positioning plate 41, in the mounting groove 413 uniformly
Equipped with multiple lateral adjustments screw holes 411, there are two fixed blocks 421 for the lower end difference horizontal connection of two lateral adjustments blocks 42, Gu
Determine also to be provided with mounting hole on block 421, fixed block 421 is fixed in mounting groove 413 by screw, while can also be by fixed block
421 move fixed with other lateral adjustments screw hole 411 along mounting groove 413, realize two lateral adjustments blocks 42 along lateral tune
Section, the battery big cover 6 of different length can be applicable in this.There are also other for the location structure 4 of battery big cover 6 in other embodiments
The adjustable way of form or lateral adjustments block 42 and longitudinal regulating block 43 can also be by realizing, as long as energy otherwise
It realizes the accurate positioning of battery big cover 6 and various sizes of battery big cover 6 can be applicable in, details are not described herein again.
Wherein, vent hole seal mechanism 4 includes two third cylinders 5, and two third cylinders 5 are installed on positioning plate 41
And it is separately positioned on the outside of two lateral adjustments blocks 42, one end of piston rod is equipped with close to lateral adjustments block 42, two work
The end of stopper rod is equipped with gasket.When needing to carry out air-leakage test to battery big cover 6, it is fixed that battery big cover 6 is mounted on
After on bit architecture 4, start the device, two third cylinders 5 work first, and piston rod end is stretched out close to battery big cover 6
Both ends, the gasket of end just blocks the gas vent 62 at the both ends of battery big cover 6.
Wherein, the upper end of gas tube 3 is connect by gas circuit with compressed air source unit, is provided gas source to air inflation nozzle 31, is set in gas circuit
There is solenoid valve to can control the on-off of gas circuit.
Further, air pressure testing agency includes the gas pressure sensor being arranged in gas circuit, when into battery big cover 6
After the completion of inflation, kept for 10-20 seconds (the present embodiment is 15 seconds), if gas pressure sensor detects in gas circuit during this period
Air pressure size is stablized constant, then illustrates that 6 air-tightness of battery big cover is good, otherwise explanation needs to reprocess there are gas leak phenomenon.
Further, the device of the present embodiment further includes PLC controller, the PLC controller respectively with the first cylinder 21,
The control terminal of two cylinders 23, third cylinder 5 and the solenoid valve in gas circuit is electrically connected, and entire detection process passes through PLC control
Device control is completed, and sequence of movement, inflationtime and the dwell time of each cylinder pass through the desired value deposit PLC preset
In controller, start button 13 device that staff need to only start on installation casing 1 can be automatically performed air-leakage test.
It is additionally provided with scram button 12 on installation casing 1 simultaneously, the course of work of equipment can be listened at any time when accident occurs.
Further, it is additionally provided with manual operation button 14 on the installation casing 1, when a other battery big cover 6 needs manually
When detection, the equipment can be controlled using hand push button and completes air-leakage test.
Further, liquid crystal control panels 11 are additionally provided on the installation casing 1 of the present embodiment, the control panel 11 and PLC
Controller connection, the output end of gas pressure sensor is also connect with PLC controller, and pressure information is shown by control panel
It shows and, staff is facilitated to check the pressure information in gas circuit.
Further, which further includes the warning device connecting with PLC controller, which includes buzzer,
When PLC controller detects that pressure is less than setting value in gas circuit, that is, warning device alert is controlled, prompts work people
There is air-tightness in member's big lid 6 of present battery, which thereby enhance the accuracy of detection.Alternatively, it is also possible to pass through PLC controller
It is arranged on control panel 11 and shows an alarm icon, when detecting that pressure is less than setting value in gas circuit, the alarm figure
Mark while flashing red light, to prompt staff.
Use above specific case is illustrated the present invention, is merely used to help understand the present invention, not to limit
The system present invention.For those skilled in the art, according to the thought of the present invention, can also make several simple
It deduces, deform or replaces.