CN209570309U - A kind of fuel cell pack automation air tightness detection equipment - Google Patents
A kind of fuel cell pack automation air tightness detection equipment Download PDFInfo
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- CN209570309U CN209570309U CN201920055262.6U CN201920055262U CN209570309U CN 209570309 U CN209570309 U CN 209570309U CN 201920055262 U CN201920055262 U CN 201920055262U CN 209570309 U CN209570309 U CN 209570309U
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Abstract
The utility model relates to a kind of fuel cell pack automation air tightness detection equipment and detection methods.Detection device includes rack, lifting pressure mechanism, air tightness detection machine structure, manipulator and control mechanism；Rack includes upper plate, lower plate and support, and lower plate is U-shaped, and upper plate is located at right above lower plate, and the quadrangle of the two is connected to a fixed by support column.Lifting pressure mechanism includes driving motor, press machine, push rod, lower platen and lifting sleeve, press machine is fixed on upper plate upper surface, press machine lower end connects push rod, push rod lower end surface connects lower platen, lower platen is located among upper plate and lower plate, can be along support column oscilaltion under the driving of press machine.This air-tightness detection method overall process is automatically performed by equipment, efficiently solve that fuel cell pack volume is excessive, preponderance, the problems such as more difficult is being fetched and delivered in test device, is improving the degree of automation and precision of detection, is adapted to mate with the use of fuel cell pack automatic assembly production line.
Description
Technical field
The utility model relates to fuel cell pack automatic producing technology field, especially a kind of fuel cell pack automation
Air tightness detection equipment.
Background technique
During fuel cell pack automated production, it may be damaged because of seal, assemble improper or other factors etc. and made
It is impaired at fuel cell pack air-tightness, lead to the gas leakage that reacts in the process of running, to reduce fuel cell pack
Efficiency and performance, or even will appear safety problem, therefore be required to before the assembly and encapsulation for completing pile are offline to pile
Air-tightness is detected.In the prior art, the air-leakage test of fuel cell pack is needed mainly by being accomplished manually in pile
On plug repeatedly, not only process is excessively cumbersome, can also butt joint damage.Further, since the volume of fuel cell pack is larger,
Heavier-weight, brings up to move down on testboard and not only spends human and material resources, and working efficiency is low, and in the handling process may
It will appear collision and high vibration, it is easy to damage to pile.
Publication No. is the utility model patent of CN103900773A, provides a kind of online air-leakage test of fuel cell pack
Device and method, including the convenient test box of pressure gauge, air-tightness and gas leakage rate tester, test object are by press
It presses to the battery pile of stacking pressure but not yet tightening nut.Since fuel cell pack not yet tightening nut fastens, in such shape
Air tightness test is carried out under state, it may occur however that the battery unit of stacking misplaces in pressure, not can guarantee each battery list
The pile air-tightness numerical value that the runner of member is aligned always during the test, therefore detects may be not fully accurate.
Authorization Notice No. is the utility model patent of CN207703414U, is provided a kind of for the airtight of fuel cell pack
Property detection device, including travelling frame, the fixed plate being arranged at the top of mobile braced frame and be arranged in fixed plate
Air-leakage test unit, storage cylinder is equipped in mobile braced frame, bottom is equipped with universal wheel.Device is moved by universal wheel
It moves to predeterminated position, enables devices to as needed, air-leakage test is carried out to the fuel cell pack at different location.Inspection every time
Before survey, need that manually packaged type frame is moved near fuel cell pack to be measured, working efficiency is more low, and this
Detection pattern is not suitable for the automated production of extensive batch, and mobile structural instability is more prominent, is easy
Test result is caused to generate deviation.
Authorization Notice No. is the utility model patent of CN207649856U, provides a kind of fuel cell bipolar plate tightness
Detection device is not used to detect assembled fuel electricity only for the air-leakage test of single fuel battery double plates
Chi Dui.
Utility model content
Against the above deficiency, the utility model provides a kind of fuel cell pack automation air tightness detection equipment and detection
Method, detection overall process are automatically performed by equipment, under the premise of setting parameters, without manually participating, effectively
It solves that fuel cell pack volume is excessive, preponderance, the problems such as more difficult is being fetched and delivered in test device, is improving detection
The degree of automation and precision.
The technical solution of the utility model are as follows:
A kind of fuel cell pack automation air tightness detection equipment, including rack, lifting pressure mechanism, air tightness detection machine
Structure, manipulator and control mechanism；
The rack includes upper plate, lower plate and support, and the lower plate is U-shaped, is fixed by the bracket in support
Upper surface, the upper plate are located at right above lower plate, and the quadrangle of the two is connected to a fixed by support column；
The lifting pressure mechanism includes driving motor, press machine, push rod, lower platen and lifting sleeve, the press machine
It is fixed on upper plate upper surface, press machine is connected with the drive shaft of driving motor, and the upper plate is opened in press machine bearing
Hole, press machine lower end connect push rod, and push rod is extended downwardly from hole, and push rod lower end surface connects lower platen, and the lower platen is located at
Among upper plate and lower plate, lifting sleeve is arranged in lower platen quadrangle, and the lifting sleeve is set on corresponding support column, institute
State lower platen under the driving of press machine, can be along support column oscilaltion；
The air tightness detection machine structure includes standard gas bottle, 6 pneumatic operated valves, air inlet pipe, escape pipe, anode cavity inlet gas contiguity
Head, anode cavity work off one's feeling vent one's spleen touch head, cathode cavity import gastight joint, cathode cavity outlet gastight joint, water cooling cavity into
Mouth gastight joint, water cooling cavity work off one's feeling vent one's spleen and touch head, pressure sensor and ventilating system, and the standard gas bottle is placed in support,
Air inlet pipe one end connects standard gas bottle, and the other end is separately connected anode cavity inlet gas by 3 pneumatic operated valves and touches head, cathode cavity
Import gastight joint and water cooling cavity inlet gas touch head, and described escape pipe one end connects ventilating system, and the other end passes through 3
Pneumatic operated valve, which is separately connected anode cavity and works off one's feeling vent one's spleen, to be touched head, cathode cavity outlet gastight joint and water cooling cavity and works off one's feeling vent one's spleen contiguity
Head；The gastight joint is set to the lower surface of lower platen, and the cavity of position and fuel cell pack upper surface imports and exports position phase
Corresponding, the anode cavity import and export gastight joint, the gastight joint of cathode cavity import and export and water cooling cavity import and export are airtight
Connector is respectively used to anode cavity import and export, cathode cavity import and export and the water cooling cavity import and export of connection fuel cell pack,
The interface of each gastight joint is equipped with sealing ring, and the anode cavity, which is worked off one's feeling vent one's spleen, touches head, cathode cavity outlet gastight joint
Pressure sensor is mounted on water cooling cavity close joint of working off one's feeling vent one's spleen；
The manipulator is put on lower plate, the control mechanism is for controlling manipulator for clamping fuel cell pack
Movement and driving motor and pneumatic operated valve opening and closing.
The lifting pressure mechanism further includes position sensor, and the position sensor is set to the lower surface of lower platen,
For incuding the down position of lower platen, position sensor is connected with driving motor, will test signal and is transferred to driving motor, drives
Dynamic motor is out of service according to detection signal.
It further include photosensitive sensor, the photosensitive sensor is set to the upper surface of lower plate, for incuding fuel cell pack
Whether position is had been placed in, and photosensitive sensor is connected with control mechanism, will test signal and is transferred to control mechanism, the control
Mechanism starts driving motor according to the detection signal of photosensitive sensor automatically.
The pressure sensor is connected with control mechanism, and pressure result is transferred to control mechanism, when certain pressure value is super
When crossing preset value, corresponding pneumatic operated valve is automatically closed in control mechanism.
It further include position-limit mechanism, the position-limit mechanism includes several fixed limited blocks and elastic limit block, the fixation
Formula limited block is set to three sides upper surface of U-shaped lower plate, including skewback and fixed block；The elastic limit block, which is set to, to be pushed
Plate lower surface is connect close to four corners, including elastic skewback, connecting plate, sliding rail and balancing spring, the connecting plate with lower platen
Fixed, connecting plate is equipped with sliding rail, and the elasticity skewback is slidably connected with sliding rail, and the both ends of elastic skewback pass through two equilibrium bombs
Spring is connected respectively to lower platen lower surface；The inclined-plane of the skewback and elastic skewback is towards inside, with fuel cell pack edge
Interference fit is generated when contact.
It further include buffer gear, the buffer gear is set to the upper surface of lower plate, including cushion socket and spring catch, described
Cushion socket and spring catch are to be symmetrical set, and spring catch is arranged along the lower surface edge of fuel cell pack, and spring catch is not
Its height is higher than cushion socket when pressure.
The fixed block upper surface of the lower plate two sides also is provided with spring catch.
Lifting pressure mechanism is arranged in the utility model on the rack, and lower platen is located among upper plate and lower plate, driving
Motor driven lower platen moves up and down, and gastight joint is set to the lower surface of lower platen, and standard gas bottle is stored in rack, manipulator
Fuel cell pack is grabbed, is placed on lower plate and carries out air tightness test.When lower platen drops to and fuel cell pack upper surface
When being in contact, the gastight joint of corresponding position is mutually clamped with the cavity inlet and outlet of fuel cell pack, and control mechanism controls pneumatic operated valve
It opens and closes, the air-tightness of fuel pile is tested.
The test object of the present apparatus is the fuel cell pack assembled, and battery unit position is fixed in detection process,
It will not be subjected to displacement and misplace, testing result is more accurate.This detection device is without manually moving fuel cell pack or mobile inspection
Measurement equipment not only alleviates work load, improves work efficiency.Pile is fetched and delivered from air tightness detection equipment by manipulator
It completes, landing process is steady, is respectively arranged with resilient cushion in manipulator tooling, will not damage to fuel cell pack.
Gastight joint is plugged in detection process and opening and closing pneumatic operated valve is controlled by hardware system complete completely, it manually can be to hardware
System parameter carries out setting debugging, it is made to maintain optimum parameter area, caused by avoiding manually-operated pressure uneven
Connector problem easy to damage, the failure and maintenance rate of equipment are low.Equipment is equipped with position sensor and photosensitive sensor, according to position
The detection signal of inductor and photosensitive sensor automatically controls driving motor operation and motor-driven valve opening and closing, implementation entirely detected
Process automation is completed, and the automatic assembly production line for being adapted to mate with fuel cell pack uses, and improves production efficiency, reduces production
Cost.
The fuel cell pack air tightness detection equipment occupied area of the utility model is small, is applicable under comparable size, no
Level pile, has a wide range of application, and access speed is fast, easily operated, and it is high to detect accuracy.
Detailed description of the invention
Fig. 1 is that the utility model fuel cell pack automates air tightness detection equipment perspective view；
Fig. 2 is that the utility model fuel cell pack automates air tightness detection equipment front view；
Fig. 3 is the structural schematic diagram of the utility model air tightness detection machine structure；
Fig. 4 is the utility model upper plate face upwarding stereogram；
Fig. 5 is the utility model fuel cell pack top perspective view；
Fig. 6 is the utility model lower plate top perspective view；
Fig. 7 is the utility model lower plate top view；
Fig. 8 is the stereo amplification figure of the utility model elastic limit block；
Fig. 9 is the utility model fuel cell pack outward leakage automatic testing method flow chart；
Figure 10 is that automatic testing method flow chart is revealed in the utility model fuel cell pack.
Specific embodiment
Make furtherly below with reference to technical effect of the attached drawing to the design of the utility model, specific structure and generation
It is bright, to be fully understood from the purpose of this utility model, feature and effect.
With reference to Fig. 1 and Fig. 2, the fuel cell pack of the utility model automates air tightness detection equipment, including rack, lifting
Pressure mechanism, air tightness detection machine structure, manipulator and control mechanism.Rack includes upper plate 11, lower plate 12 and support 13, bottom
Plate 12 is U-shaped, is fixed on 13 upper surface of support by bracket 14, and upper plate 11 is located at right above lower plate 12, the four of the two
Angle is connected to a fixed by support column 15.
Lifting pressure mechanism includes driving motor 21, press machine 22, push rod 23, lower platen 24, lifting sleeve 25 and position
Inductor 26, press machine 22 are fixed on 11 upper surface of upper plate, and press machine 22 is connected with the drive shaft of driving motor 21, upper top
Plate 11 connects push rod 23 in the aperture of 22 bearings of press machine, 22 lower end of press machine, and push rod 23 is extended downwardly from hole, under push rod 23
End face connects lower platen 24, and lower platen 24 is located among upper plate 11 and lower plate 12,24 4 jiaos of setting lifting sleeves of lower platen
25, lifting sleeve 25 is set on corresponding support column 15, lower platen 24 under the driving of press machine 22, can be along support column 15
Lower lifting.Position sensor 26 is set to the lower surface of lower platen 24, for incuding the down position of lower platen 24, position sense
It answers device 26 to be connected with driving motor 21, will test signal and be transferred to driving motor 21, driving motor 21 stops according to detection signal
Operation.
When detection, space of the fuel cell pack 80 between lower platen 24 and lower plate 12 is put by manipulator clamping.
Lower plate 12 and bracket 14 are U-shaped, and U-shaped opening is the channel that fuel cell pack 80 passes in and out.Support 13 has certain
Height and volume, height is in manipulator range.In order to test whether fuel cell pack has been placed in position, this is practical
Novel detection device is additionally provided with photosensitive sensor 62, as shown in fig. 7, photosensitive sensor 62 is set to the upper surface of lower plate 12,
For incuding whether fuel cell pack 80 has been placed in position, photosensitive sensor 62 is connected with control mechanism, will test signal
It is transferred to control mechanism, control mechanism starts driving motor 21 according to the detection signal of photosensitive sensor 62 automatically, and driving pushes
Plate 24 moves downward, and starts to detect program.
With reference to Fig. 3, air tightness detection machine structure includes 31,6 pneumatic operated valves 32, air inlet pipe 33, escape pipes 34, anode cavities of standard gas bottle
Body import gastight joint 35, anode cavity work off one's feeling vent one's spleen touch first 36, cathode cavity import gastight joint 37, cathode cavity is worked off one's feeling vent one's spleen
Contiguity head 38, water cooling cavity inlet gas contiguity head 39, water cooling cavity work off one's feeling vent one's spleen and touch first 40, pressure sensor 41 and ventilating system
42.Standard gas bottle 31 is placed in support 13, is supplied for air tightness detection machine structure.33 one end of air inlet pipe connects standard gas bottle 31, the other end
Anode cavity inlet gas, which is separately connected, by 3 pneumatic operated valves 32 touches head 35, cathode cavity import gastight joint 37 and waterway
Body import gastight joint 39,34 one end of escape pipe connect ventilating system 42, and the other end is separately connected anode by 3 pneumatic operated valves 32
Cavity outlet gastight joint 36, cathode cavity outlet gastight joint 38 and water cooling cavity work off one's feeling vent one's spleen and touch first 40.Pneumatic operated valve 32 is Y
Type pneumatic stopping valve is easily installed and connects, securely and reliably.
With reference to Fig. 4 and Fig. 5, gastight joint is set to the lower surface of lower platen 24, position and 80 upper surface of fuel cell pack
Cavity inlet and outlet position it is corresponding, anode cavity import and export gastight joint 35,36, cathode cavity import and export gastight joint
37,38 and water cooling cavity import and export gastight joint 39,40 be connected respectively the anode cavity import and export of fuel cell pack 80
81,82, cathode cavity import and export 83,84 and water cooling cavity import and export 85,86, the interface of each gastight joint is equipped with sealing
Circle, anode cavity work off one's feeling vent one's spleen touch first 36, cathode cavity outlet gastight joint 38 and water cooling cavity work off one's feeling vent one's spleen touch it is equal at first 40
Pressure sensor 41 is installed, for measuring each cavity internal pressure value, the external digital pressure display instrument of pressure sensor 41, with
The mode of numerical value shows pressure.
Control mechanism is for controlling the movement of manipulator and the opening and closing of driving motor 21 and pneumatic operated valve 32.In lower platen
During 24 decline, position sensor 26 touches the upper surface of fuel cell pack 80 first, and each gastight joint is in lower platen
It is clamped automatically under 24 falling pressure with the cavity import/export of fuel cell pack 80, the sealing ring at gastight joint makes interface
It fits together perfectly, prevents gas from leaking.When lower platen 24 drops to each gastight joint and the interconnection of cavity import/export, and the two
When the position that contact point is fully sealed, position sensor 26 issues detection signal, and driving motor 21 is out of service, lower platen 24
Stop decline.
Pressure sensor 41 is connected for pressure signal in Real-time Feedback respective cavities with control mechanism, by pressure
As a result it is transferred to control mechanism, when pressure value reaches preset value, corresponding pneumatic operated valve 32 is automatically closed in control mechanism, prevents gas
Respective cavities are flowed out, for detecting fuel cell pack 80 with the presence or absence of external leakage or internal leakage.
For slide displacement of the fuel cell heap 80 between lower platen 24 and lower plate 12, the inspection of the utility model
Measurement equipment is additionally provided with position-limit mechanism, and position-limit mechanism includes several fixed limited blocks 51 and elastic limit block 52.With reference to Fig. 6, Gu
Fixed pattern limited block 51 is set to three sides upper surface of U-shaped lower plate 12, in evenly distributed, holding all directions uniform stressed.Gu
Fixed pattern limited block 51 includes the skewback 511 of 512 top of fixed block 512 and fixed block, and skewback 511 has the inclined-plane towards inside,
Inclined-plane and 80 side edge of fuel cell pack are touched.
With reference to Fig. 4 and Fig. 8, elastic limit block 52 is set to 24 lower surface of lower platen close to four corners, including elastic skewback
521, connecting plate 522, sliding rail 523 and balancing spring 524, connecting plate 522 are connected and fixed with lower platen 24, are set on connecting plate 522
There is sliding rail 523, elastic skewback 521 is slidably connected with sliding rail 523, and the both ends of elastic skewback 521 pass through two balancing springs 524
It is connected respectively to 24 lower surface of lower platen, plays the role of balancing pressure.The inclined-plane of elastic skewback 521 is also towards inside, skewback
511 and elastic skewback 521 inclined-plane and 80 EDGE CONTACT of fuel cell pack when generate interference fit, fuel cell pack 80 is consolidated
It is scheduled on the position in center, prevents it from generating positional shift during the test, influences test result.
Manipulator generates vibration during placing fuel cell pack 80 in order to prevent, causes physical damnification, this is practical new
The detection device of type is additionally provided with buffer gear, and buffer gear is set to the upper surface of lower plate 12, including cushion socket 71 and spring catch
72, cushion socket 71 and spring catch 72 are to be symmetrical set, and spring catch 72 is arranged along the lower surface edge of fuel cell pack 80
Column, its height is higher than cushion socket 71 when spring catch 72 is non-depressed.When manipulator unclamps fuel cell pack 80, pile following table kept man of a noblewoman
Spring catch 72 is first touched, cushion effect declines fuel cell pack slowly, is smoothly parked on cushion socket 71.12 liang of lower plate
512 upper surface of fixed block of side also is provided with spring catch 72, the cushion effect of spring catch 72 make the lower edge of fuel cell pack 80 with
Speed slows down when the contact of incline plane of skewback 511, reduces the impact force to fuel cell pack 80.
With reference to Fig. 9, the fuel cell pack outward leakage automatic testing method of the utility model, comprising the following steps:
S1: manipulator picks up fuel cell pack 80, is put into 12 upper surface of lower plate；
S2: fuel cell pack 80 depresses spring catch 72 by self weight, is parked on cushion socket 71；
S3: photosensitive sensor 62 issues detection signal to control mechanism；
S4: control mechanism controls driving motor 21 and starts, and push rod 23 drives lower platen 24 to decline, to fuel cell pack 80
It is close；
S5: anode cavity import and export gastight joint 35,36, cathode cavity import and export gastight joint 37,38 and waterway
Body import and export gastight joint 39,40 respectively with the anode cavity import and export of fuel cell pack 80 81,82, cathode cavity into and out of
Mouth 83,84 is connected with water cooling cavity import and export 85,86；
S6: position sensor 26 issues detection signal to driving motor 21, and driving motor 21 is out of service；
S7: control mechanism 6 pneumatic operated valves 32 of control are fully open, and gas enters cavity from cavity import through air inlet pipe 33,
Ventilating system 42 is discharged to from cavity outlet through escape pipe 34 again；
After S8:10 seconds, control mechanism closes 3 pneumatic operated valves 32 being connected with outlet gastight joint, and gas can only enter
Cavity, cavity internal pressure are gradually increased；
S9: pressure sensor 41 shows the intracorporal pressure of respective chamber；
S10: when the intracorporal pressure value of some chamber reaches preset value 100KPa, control mechanism close with respective cavities into
The connected pneumatic operated valve 32 of mouth gastight joint, prevents gas from going successively to respective cavities, until closing all pneumatic operated valves 32；
S11: after the defined time, if some chamber pressure that pressure sensor 41 is shown decrease beyond default model
It encloses, then illustrates that there are outward leakages for the fuel cell pack 80, enter step S12；If whole chamber pressure declines are in preset range
Interior, then outward leakage is not present in the fuel cell pack 80, and detection terminates；
S12: control system is opened and exports 3 pneumatic operated valves 32 being connected of gastight joint, and gas is from cavity outlet in cavity
Ventilating system 42 is discharged to through escape pipe 34；
S13: control system controls driving motor 21 and inverts, and push rod 23 drives lower platen 24 to rise, and returns to initial position；
S14: manipulator picks up fuel cell pack 80, is put into maintenance station and is manually overhauled, after reparation, then moves to gas
Air tightness test is carried out in close property detection device, until entering next process after detection is qualified.
With reference to Figure 10, automatic testing method is revealed in the fuel cell pack of the utility model, comprising the following steps:
S1: manipulator picks up fuel cell pack 80, is put into 12 upper surface of lower plate；
S2: fuel cell pack 80 depresses spring catch 72 by self weight, is parked on cushion socket 71；
S3: photosensitive sensor 62 issues detection signal to control mechanism；
S4: control mechanism controls driving motor 21 and starts, and push rod 23 drives lower platen 24 to move down, to fuel cell pack
80 is close；
S5: anode cavity import and export gastight joint 35,36, cathode cavity import and export gastight joint 37,38 and waterway
Body import and export gastight joint 39,40 respectively with the anode cavity import and export of fuel cell pack 80 81,82, cathode cavity into and out of
Mouth 83,84 is connected with water cooling cavity import and export 85,86；
S6: position sensor 26 issues detection signal to driving motor 21, and driving motor 21 is out of service；
S7: control mechanism 6 pneumatic operated valves 32 of control are fully open, and gas enters cavity from cavity import through air inlet pipe 33,
Ventilating system 42 is discharged to from cavity outlet through escape pipe 34 again；
After S8:10 seconds, control mechanism closes 3 pneumatic operated valves 32 being connected with outlet gastight joint, and gas can only enter
Cavity, cavity internal pressure are gradually increased；
S9: pressure sensor 41 shows the intracorporal pressure of respective chamber；
S10: when the intracorporal pressure value of some chamber reaches preset value 100KPa, control mechanism close with respective cavities into
The connected pneumatic operated valve 32 of mouth gastight joint, prevents gas from going successively to respective cavities, until closing all pneumatic operated valves；
S11: after the defined time, if some chamber pressure that pressure sensor 41 is shown decrease beyond default model
It encloses, then illustrates that there are outward leakages for the fuel cell pack 80, enter step S23；If whole chamber pressure declines are within a preset range,
Enter step S12；
S12: control mechanism is opened and exports 3 pneumatic operated valves 32 being connected of gastight joint, and gas is from cavity outlet in cavity
Ventilating system 42 is discharged to through escape pipe 34；
S13: the pressure recovery of each cavity to normal pressure, control mechanism are closed and 3 pneumatic operated valves for touching and being connected of working off one's feeling vent one's spleen
32；
S14: control mechanism opens the pneumatic operated valve 32 being connected with anode cavity inlet gas contiguity head 35, and gas enters anode cavities
Body, cavity internal pressure are gradually increased；
S15: when the intracorporal pressure value of anode cavities reaches preset value 100KPa, control mechanism is closed and the import of anode cavity
The connected pneumatic operated valve 32 of gastight joint 35, gas stop entering anode cavity；
S16: it after the defined time, if the pressure change of cathode cavity or water cooling cavity is more than prescribed limit, says
The bright fuel cell pack 80 enters step S23 there are interior leakage；If the pressure change of cathode cavity and water cooling cavity is providing
In range, S17 is entered step；
S17: control mechanism opens the pneumatic operated valve 32 being connected with cathode cavity import gastight joint 37, and gas enters cathode cavity
Body, cavity internal pressure are gradually increased；
S18: when the intracorporal pressure value of cathode cavity reaches preset value 100KPa, control mechanism is closed and cathode cavity import
The connected pneumatic operated valve 32 of gastight joint 35, gas stop entering cathode cavity；
S19: it after the defined time, if the pressure change of anode cavity or water cooling cavity is more than prescribed limit, says
The bright fuel cell pack 80 enters step S23 there are interior leakage；If the pressure change of anode cavity and water cooling cavity is providing
In range, S20 is entered step；
S20: control mechanism opens the pneumatic operated valve 32 being connected with water cooling cavity inlet gas contiguity head 39, and gas enters waterway
Body, cavity internal pressure are gradually increased；
S21: when the intracorporal pressure value of waterway reaches preset value 100KPa, control mechanism is closed and the import of water cooling cavity
The connected pneumatic operated valve 32 of gastight joint 35, gas stop entering water cooling cavity；
S22: it after the defined time, if the pressure change of anode cavity or cathode cavity is more than prescribed limit, says
The bright fuel cell pack 80 enters step S23 there are interior leakage；If the pressure change of anode cavity and cathode cavity is providing
In range, then interior leakage is not present in the fuel cell pack 80, and detection terminates；
S23: control system is opened and exports 3 pneumatic operated valves 32 being connected of gastight joint, and gas is from cavity outlet in cavity
Ventilating system 42 is discharged to through escape pipe 34；
S24: control system controls driving motor 21 and inverts, and push rod 23 drives lower platen 24 to rise, and returns to initial position；
S25: manipulator picks up fuel cell pack 80, is put into maintenance station and is manually overhauled, after reparation, then moves to gas
Air tightness test is carried out in close property detection device, until entering next process after detection is qualified.
Disclosed above is only the embodiments of the present invention, and still, the utility model is not limited to this, any ability
What the technical staff in domain can think variation should all fall into the protection scope of the utility model.
Claims (7)
1. a kind of fuel cell pack automates air tightness detection equipment, which is characterized in that including rack, lifting pressure mechanism, gas
Close testing agency, manipulator and control mechanism；
The rack includes upper plate (11), lower plate (12) and support (13), and the lower plate (12) is U-shaped, passes through branch
Frame (14) is fixed on support (13) upper surface, and the upper plate (11) is located at right above lower plate (12), and the quadrangle of the two passes through
Support column (15) is connected to a fixed；
The lifting pressure mechanism includes driving motor (21), press machine (22), push rod (23), lower platen (24) and lifting sleeve
(25), the press machine (22) is fixed on upper plate (11) upper surface, the drive shaft phase of press machine (22) and driving motor (21)
Connection, the upper plate (11) connect push rod (23) in the aperture of press machine (22) bearing, press machine (22) lower end, push rod (23)
Extended downwardly from hole, push rod (23) lower end surface connect lower platen (24), the lower platen (24) be located at upper plate (11) and under
Bottom plate (12) is intermediate, and lifting sleeve (25) are arranged in lower platen (24) quadrangle, and the lifting sleeve (25) is set in corresponding support
On column (15), the lower platen (24) under the driving of press machine (22), can be along support column (15) oscilaltion；
The air tightness detection machine structure includes standard gas bottle (31), 6 pneumatic operated valves (32), air inlet pipe (33), escape pipe (34), anode cavities
Body import gastight joint (35), anode cavity, which are worked off one's feeling vent one's spleen, touches head (36), cathode cavity import gastight joint (37), cathode cavity
Outlet gastight joint (38), water cooling cavity inlet gas contiguity head (39), water cooling cavity work off one's feeling vent one's spleen and touch head (40), pressure sensor
(41) it is placed in support (13) with ventilating system (42), the standard gas bottle (31), air inlet pipe (33) one end connects standard gas bottle
(31), it is airtight by 3 pneumatic operated valves (32) to be separately connected anode cavity inlet gas contiguity head (35), cathode cavity import for the other end
Connector (37) and water cooling cavity inlet gas contiguity head (39), described escape pipe (34) one end connect ventilating system (42), the other end
By 3 pneumatic operated valves (32) be separately connected anode cavity work off one's feeling vent one's spleen touch head (36), cathode cavity outlet gastight joint (38) and
Water cooling cavity, which is worked off one's feeling vent one's spleen, touches head (40)；The gastight joint is set to the lower surface of lower platen (24), position and fuel cell
The cavity inlet and outlet position of heap (80) upper surface is corresponding, and the anode cavity inlet gas touches head (35), anode cavity outlet
Gastight joint (36), cathode cavity import gastight joint (37), cathode cavity export gastight joint (38), water cooling cavity inlet gas
Contiguity head (39), water cooling cavity, which are worked off one's feeling vent one's spleen, touches the anode cavity import that head (40) is respectively used to connection fuel cell pack (80)
(81), anode cavity outlet (82), cathode cavity import (83), cathode cavity export (84), water cooling cavity import (85), water cooling
Cavity outlet (86), the interface of each gastight joint are equipped with sealing ring, and the anode cavity, which is worked off one's feeling vent one's spleen, touches head (36), cathode
Cavity outlet gastight joint (38) and water cooling cavity, which work off one's feeling vent one's spleen to touch, is mounted on pressure sensor (41) at head (40)；
The manipulator is put on lower plate (12), the control mechanism is for controlling machine for clamping fuel cell pack (80)
The movement of tool hand and the opening and closing of driving motor (21) and pneumatic operated valve (32).
2. fuel cell pack according to claim 1 automates air tightness detection equipment, which is characterized in that the buck
Force mechanisms further include position sensor (26), and the position sensor (26) is set to the lower surface of lower platen (24), for feeling
The down position of lower platen (24) is answered, position sensor (26) is connected with driving motor (21), will test signal and is transferred to driving
Motor (21), driving motor (21) are out of service according to detection signal.
3. fuel cell pack according to claim 1 automates air tightness detection equipment, which is characterized in that further include photosensitive
Sensor (62), the photosensitive sensor (62) are set to the upper surface of lower plate (12), are for incuding fuel cell pack (80)
No to have been placed in position, photosensitive sensor (62) is connected with control mechanism, will test signal and is transferred to control mechanism, the control
Mechanism processed starts driving motor (21) according to the detection signal of photosensitive sensor (62) automatically.
4. fuel cell pack according to claim 1 automates air tightness detection equipment, which is characterized in that the pressure passes
Sensor (41) is connected with control mechanism, and pressure result is transferred to control mechanism, when certain pressure value is more than preset value, control
Corresponding pneumatic operated valve (32) is automatically closed in mechanism.
5. fuel cell pack according to claim 1 automates air tightness detection equipment, which is characterized in that further include limit
Mechanism, the position-limit mechanism include several fixed limited blocks (51) and elastic limit block (52), the fixed limited block
(51) three sides upper surface of U-shaped lower plate (12), including skewback (511) and fixed block (512) are set to；The elastic spacing
Block (52) is set to lower platen (24) lower surface close to four corners, including elastic skewback (521), connecting plate (522), sliding rail (523)
With balancing spring (524), the connecting plate (522) is connected and fixed with lower platen (24), and connecting plate (522) is equipped with sliding rail
(523), the elastic skewback (521) is slidably connected with sliding rail (523), and the both ends of elastic skewback (521) pass through two equilibrium bombs
Spring (524) is connected respectively to lower platen (24) lower surface；The inclined-plane of the skewback (511) and elastic skewback (521) is in
Side generates interference fit when with fuel cell pack (80) EDGE CONTACT.
6. fuel cell pack according to claim 5 automates air tightness detection equipment, which is characterized in that further include buffering
Mechanism, the buffer gear are set to the upper surface of lower plate (12), including cushion socket (71) and spring catch (72), the cushion socket
(71) and spring catch (72) is to be symmetrical set, and spring catch (72) is arranged along the lower surface edge of fuel cell pack (80)
Column, its height is higher than cushion socket (71) when spring catch (72) is non-depressed.
7. fuel cell pack according to claim 6 automates air tightness detection equipment, which is characterized in that the lower plate
(12) fixed block (512) upper surface of two sides also is provided with spring catch (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920055262.6U CN209570309U (en) | 2019-01-14 | 2019-01-14 | A kind of fuel cell pack automation air tightness detection equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920055262.6U CN209570309U (en) | 2019-01-14 | 2019-01-14 | A kind of fuel cell pack automation air tightness detection equipment |
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| CN209570309U true CN209570309U (en) | 2019-11-01 |
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| CN201920055262.6U Withdrawn - After Issue CN209570309U (en) | 2019-01-14 | 2019-01-14 | A kind of fuel cell pack automation air tightness detection equipment |
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| CN (1) | CN209570309U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556808A (en) * | 2019-01-14 | 2019-04-02 | 北京氢璞创能科技有限公司 | A kind of fuel cell pack automation air tightness detection equipment and detection method |
| CN117249961A (en) * | 2023-11-20 | 2023-12-19 | 四川省产品质量监督检验检测院 | Air-tight detection tool for air inlet of hydrogen fuel cell |
-
2019
- 2019-01-14 CN CN201920055262.6U patent/CN209570309U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556808A (en) * | 2019-01-14 | 2019-04-02 | 北京氢璞创能科技有限公司 | A kind of fuel cell pack automation air tightness detection equipment and detection method |
| CN109556808B (en) * | 2019-01-14 | 2023-11-14 | 北京氢璞创能科技有限公司 | Automatic air tightness detection equipment and detection method for fuel cell stack |
| CN117249961A (en) * | 2023-11-20 | 2023-12-19 | 四川省产品质量监督检验检测院 | Air-tight detection tool for air inlet of hydrogen fuel cell |
| CN117249961B (en) * | 2023-11-20 | 2024-02-02 | 四川省产品质量监督检验检测院 | Air-tight detection tool for air inlet of hydrogen fuel cell |
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