CN104122833B - Automatic debugging device and method for dish-washing machine pressure switch - Google Patents
Automatic debugging device and method for dish-washing machine pressure switch Download PDFInfo
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- CN104122833B CN104122833B CN201410354969.9A CN201410354969A CN104122833B CN 104122833 B CN104122833 B CN 104122833B CN 201410354969 A CN201410354969 A CN 201410354969A CN 104122833 B CN104122833 B CN 104122833B
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Abstract
The invention relates to an automatic debugging device and method for a dish-washing machine pressure switch. The automatic debugging device and method is used for debugging of the pressure switch of a dish-washing machine. The automatic debugging device comprises a rack, a control panel, a programmable logic controller (PLC), a servo controller, an electromagnetic valve, a compressed air pressure regulating valve, an air cylinder, a high-pressure tank, a constant pressure tank, a fixing device, an adjusting device and a constant pressure device. According to the method, the fixing device, the adjusting device, the constant pressure device, the servo controller and the electromagnetic valve are correspondingly controlled by the PLC to finish debugging of the pressure switch. The automatic debugging device and method for the dish-washing machine pressure switch has the advantages that the structure is reasonable, debugging of high and low pressure trigger points of the pressure switch can be automatically and accurately achieved, the operation is simple, the efficiency is high, and the deviation of debugging qualities is small.
Description
Technical field
The present invention relates to the automatic debugging of dish-washing machine pressure switch, specifically one kind is from high level to low value or by low value
Slowly debug the Apparatus and method for of trigger point to high level.
Background technology
With social development, the work washed the dishes achieves automation by machine and washes the dishes, and sets in dish-washing machine
It is equipped with pressure switch, for the strict internal pressure controlling dish-washing machine and water level, and in addition it is also necessary to debugging is high after pressure switch produces
Pressure trigger point and the numerical value of low pressure trigger point, and common debugging is to rely on workman to rely on experience to find trigger point, pressurization, then seek
Look for trigger point so to repeat to finally give accurate triggering point value positioning to complete to debug, but this kind of debud mode exists and relies on work
The practical experience of people, and operate the shortcomings of complicated, efficiency is low, debugging mass deviation is big.
Content of the invention
It is an object of the invention to provide a kind of automatic commissioning device of dish-washing machine pressure switch and adjustment method, it is using permanent
The high and low pressure that pressure device and adjusting means are accurately finished pressure switch in the automation mechanized operation of plc and servo controller touches
Send out parameter testing, and simple to operate, efficiency high, debug mass deviation little.
The technical solution of the present invention is the control panel in frame, plc controller, servo controller, magnetic valve, pressure
Contracting air pressure-adjusting valve, cylinder, pressure pan, on the basis of constant-pressure tank, it has been characterized in fixing device, adjusting means, constant-voltage equipment,
Described fixing device is arranged on the front panel of frame, is provided with adjustment hole, pneumatic fittings, detection trigger in fixing device
Contact；Pneumatic fittings are connected with the output end of pressure pan, constant-pressure tank by pipeline, and are respectively arranged with magnetic valve on pipeline
It is controlled by plc controller, the output end of constant-pressure tank has fine bleeder port；Wire and plc are passed through in detection trigger contact
Controller is connected；The rear being located at fixing device in frame is provided with adjusting means, is provided with servo electricity in adjusting means
Machine and adjusting rod, servomotor is driven controlling by servo controller, and adjusting rod passes through gear driven by servomotor；Adjust
The adjusting rod of device is relative with the adjustment hole position in fixing device, and the frame below adjusting means is fixed with propulsive gas
Cylinder, propulsion cylinder is controlled by plc controller, and the bottom of adjusting means is fixed on the expansion link of propulsion cylinder；In frame
Interior bottom is provided with constant-voltage equipment, is provided with servomotor and constant voltage cylinder, servomotor is by SERVO CONTROL in constant-voltage equipment
Device is driven controlling, and the expansion link of constant voltage cylinder drives by servomotor, the air pressure output end of constant voltage cylinder pass through pipeline with
Constant-pressure tank input is connected.
The high and low pressure trigger point adjustment method of the present invention is as follows:
The step of high pressure trigger point adjustment method is as follows:
Step 1: input the triggering air pressure of high pressure for pressure switch；
Step 2: whether the high-voltage contact of detection pressure switch triggers；
Step 3: if the testing result of step 2 is yes, pressure switch is pressed, then adjust the height of pressure switch
Pressure contact adjusting knob is adjusted from low triggering numerical value to high triggering numerical value direction；
Step 4: repeat three above step until the testing result of step 2 is no, carry out step 5；
Step 5: input the triggering air pressure of high pressure for pressure switch, then adjust the high-voltage contact adjusting knob of pressure switch
Slowly rotating regulation from high triggering numerical value to low triggering numerical value direction to be triggered until high-voltage contact is detected, then stopping the rotation
Regulation completes high pressure spot debugging.
The step of low pressure trigger point adjustment method is as follows:
Step 1: input the air pressure of forced-triggered for pressure switch；
Step 2: directly switch to low pressure triggering air pressure for pressure switch in the case of not pressing；
Step 3: whether the low-pressure contact of detection pressure switch triggers；
Step 4: if the testing result of step 3 is yes, pressure switch is pressed, then adjust the low of pressure switch
Pressure contact adjusting knob is adjusted from low triggering numerical value to high triggering numerical value direction；
Step 5: repeat above four steps until the testing result of step 3 is no, carry out step 6；
Step 6: input the triggering air pressure of low pressure for pressure switch, then adjust the low-pressure contact adjusting knob of pressure switch
Slowly rotating regulation from low triggering numerical value to high triggering numerical value direction to be triggered until low-pressure contact is detected, then stopping the rotation
Regulation completes low pressure point debugging.
By fixed seat, compression cylinder, pressing plate, pneumatic fittings form fixing device described in present device, in fixed seat
Middle be provided with the placement position of pressure switch, place in position and be provided with two adjustment holes, placing the fixation immediately below position
It is provided with pneumatic fittings on seat；Place and be fixed with compression cylinder in the fixed seat directly over position, solid on the expansion link of compression cylinder
Surely there is pressing plate；The back of fixed seat is provided with three detection trigger contacts, and pressure switch is placed on the placement position of fixing device,
The high and low pressure contact adjusting knob of pressure switch is corresponding with two adjustment holes respectively, the pressure input pipe insertion of pressure switch
In pneumatic fittings, three pins of pressure switch are connected with three detection trigger contacts respectively.
Adjusting means described in present device is by support, servomotor, spring, clutch arm, clutch gear, driving tooth
Wheel, driven gear, clutch air cylinder, adjusting rod forms, and has servomotor in the back fixation of support, the rotating shaft of servomotor passes through
Support extends in support, and is fixed with driving gear on here end, is respectively arranged with clutch in the left and right both sides of driving gear
Arm, the middle of clutch arm is hinged with support, and the upper end of two clutch arms is connected by spring, and the lower end of two clutch arms is divided
Clutch gear is not installed, clutch gear can engage each other with driving gear；Support below driving gear is provided with two
Root adjusting rod, two adjusting rods are respectively fixed with driven gear, and driven gear can engage each other with clutch gear；On support
It is fixed with two clutch air cylinders above driving gear, the telescopic end of two clutch air cylinders is respectively between two clutch arm upper ends
Contact with two clutch arm upper ends.
By support, servomotor, cylinder, pushing plate forms constant-voltage equipment described in present device, in the left end of support
It is fixed with two cylinders, right-hand member is fixed with two servomotors, the rotating shaft of two servomotors is each passed through support and extends to
In frame, and there is screw thread on the axle body of this two rotating shaft；One end of two pieces of pushing plates respectively by being threaded onto in two rotating shafts, two
The other end of block pushing plate is connected with the expansion link of two cylinders respectively.
The operation principle of the present invention is that pressure switch is placed in the fixing device of the present invention, is then controlled by plc
Device detection air pressure makes constant-pressure tank keep output 140 mmh constant-voltage equipment operation20 and 120mmh20 constant air pressure, control electromagnetism
Valve carries out to each cylinder operating, control servo controller to respectively watching the tune that motor carries out operating, recording according to the present invention in an orderly manner
Method for testing completes to pressure switch to trigger point value debugging.
It is an advantage of the invention that rational in infrastructure, it can automate the high and low pressure trigger point tune being accurately finished pressure switch
Examination, and simple to operate, efficiency high, debugging mass deviation is little.
Brief description
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the internal structure schematic diagram of the present invention.
Fig. 3 is the adjusting means structural representation of the present invention.
Fig. 4 is pressure switch construction schematic diagram.
Fig. 5 is the constant-voltage equipment structural representation of the present invention.
Fig. 6 is the fixture structure schematic diagram of the present invention.
Fig. 7 is fixing device another angled arrangement schematic diagram of the present invention.
Specific embodiment
According to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, in frame 9, control panel 17, plc controls the present invention
Device 11, servo controller 13, magnetic valve 16, compressed air pressure regulating valve 7, cylinder 22,29, pressure pan 8, the basis of constant-pressure tank 1,2
On, it has been characterized in fixing device 10, adjusting means 14, constant-voltage equipment 12, before described fixing device 10 is arranged on frame 9
On panel, in fixing device, 10 are provided with adjustment hole, pneumatic fittings 37, detection trigger contact 39；Pneumatic fittings 37 pass through pipe
Road is 140 mmh with pressure pan 8, constant voltage value20 constant-pressure tank 1, constant voltage value are 120 mmh2The output end of 0 constant-pressure tank 2 three tank
It is connected, and magnetic valve 16 is respectively arranged with pipeline and be controlled by plc controller 11, constant voltage value is 140 mmh20
Constant-pressure tank 1, constant voltage value are 120 mmh2The output end of 0 constant-pressure tank 2 all has fine bleeder port, and disappointing speed is per minute
0.1～0.5 mmh20 excretion；Detection trigger contact 39 is connected with plc controller 11 by wire；Upper in frame 9
The rear of fixing device 10 is provided with adjusting means 14, is provided with servomotor 18 and adjusting rod 24 in adjusting means 14, watches
Take motor 18 to be driven controlling by servo controller 13, adjusting rod 24 passes through gear driven by servomotor 18；Adjusting means
14 adjusting rod 24 is relative with the adjustment hole position in fixing device 10, and the frame 9 of adjusting means 14 lower section is fixed with
Propulsion cylinder 15, propulsion cylinder 15 is controlled by plc controller 11, and the bottom of adjusting means 14 is fixed on propulsion cylinder 15
On expansion link；Bottom in frame 9 is provided with constant-voltage equipment 12, is provided with servomotor 30 and constant voltage gas in constant-voltage equipment 12
Cylinder 29, servomotor 30 is driven controlling by servo controller 13, and the expansion link of constant voltage cylinder 29 is driven by servomotor 30,
The air pressure output end of constant voltage cylinder 29 is connected with constant-pressure tank 1,2 inputs 4,6 by pipeline.
The present invention is as follows to the high and low pressure trigger point adjustment method of pressure switch:
The step of high pressure trigger point adjustment method is as follows:
Step 1:plc controller 11 is opened corresponding magnetic valve 16 and is inputted 140 mmh for pressure switch20 high pressure touch
Get angry pressure.
Step 2:plc controller 11 by the high-voltage contact that the trigger detection point 39 of fixing device 10 detects pressure switch is
No triggering.
Step 3: if the testing result of step 2 is yes, plc controller 11 opens corresponding magnetic valve 16 to pressure switch
Pressed, then to signal servo controller 13, the servomotor 18 of adjusting means is controlled, drive pressure switch high simultaneously
The corresponding adjusting rod of pressure contact adjusting knob carry out the high-voltage contact adjusting knob 26 of pressure switch from low triggering numerical value to
High triggering numerical value direction is adjusted.
Step 4: repeat three above step until the testing result of step 2 is no, carry out step 5.
Step 5:plc controller 11 is opened corresponding magnetic valve 16 and is inputted 140 mmh for pressure switch20 high pressure triggering
Air pressure, then plc controller 11 to signal servo controller 13, the servomotor 18 of adjusting means is controlled, simultaneously carry dynamic pressure
Adjusting knob corresponding adjusting rod in switch high-pressure contact carries out the high-voltage contact adjusting knob of pressure switch by high triggering number
It is worth and slowly rotates regulation until plc controller 11 detects high-voltage contact and is triggered to low triggering numerical value direction, then stop rotation
Modulation section completes high pressure spot debugging.
The step of low pressure trigger point adjustment method is as follows:
Step 1: input the air pressure of the forced-triggered that numerical value is 2kpa for pressure switch；
Step 2:plc controller 11 controls magnetic valve 16 directly to switch to 120 for pressure switch in the case of not pressing
mmh20 low pressure triggering air pressure.
Step 3:plc controller 11 by the low-pressure contact that the trigger detection point 39 of fixing device 10 detects pressure switch is
No triggering.
Step 4: if the testing result of step 3 is yes, plc controller 11 opens corresponding magnetic valve 16 to pressure switch
Pressed, then to signal servo controller 13, the servomotor 18 of adjusting means is controlled, drive pressure switch low simultaneously
The corresponding adjusting rod of pressure contact adjusting knob carry out the low-pressure contact adjusting knob 27 of pressure switch from high triggering numerical value to
Low triggering numerical value direction is adjusted.
Step 5: repeat above four steps until the testing result of step 3 is no, carry out step 6.
Step 6:plc controller 11 is opened corresponding magnetic valve 16 and is inputted 120 mmh for pressure switch20 low pressure triggering
Air pressure, then plc controller 11 to signal servo controller 13, the servomotor 18 of adjusting means is controlled, simultaneously carry dynamic pressure
The corresponding adjusting rod of switch low-pressure contact adjusting knob carries out the high-voltage contact adjusting knob of pressure switch by low triggering number
It is worth and slowly rotates regulation until plc controller 11 detects low-pressure contact and is triggered to high triggering numerical value direction, then stop rotation
Modulation section completes high pressure spot debugging.
By fixed seat 34, compression cylinder 35, pressing plate 36, pneumatic fittings 37 form the fixing device 10 of the present invention, are fixing
The middle of seat 34 is provided with the placement position 38 of pressure switch, places in position 38 and is provided with two adjustment holes, is just placing position 38
It is provided with pneumatic fittings 37 in the fixed seat 34 of lower section；Place and be fixed with compression cylinder 35 in the fixed seat 34 directly over position 38,
Pressing plate 36 is fixed with the expansion link of compression cylinder 35；The back of fixed seat 34 is provided with three detection trigger contacts 39, pressure
Switch is placed on the placement position 38 of fixing device 10, and the high-voltage contact adjusting knob 26 of pressure switch, low-pressure contact adjust rotation
Button 27 is corresponding with two adjustment holes respectively, in the pressure input pipe 28 insertion pneumatic fittings 37 of pressure switch, pressure switch
Three pins 40 are connected with three detection trigger contacts 39 respectively.
The adjusting means of the present invention by support 41, servomotor 18, spring 19, clutch arm 20, clutch gear 25, actively
Gear 23, driven gear 21, clutch air cylinder 22, adjusting rod 24 forms, and has servomotor 18, servo in the back fixation of support 41
The rotating shaft of motor 18 extends in support 41 through support 41, and is fixed with driving gear 23 on here end, in driving gear
23 left and right both sides are respectively arranged with clutch arm 20, and the middle of clutch arm 20 is hinged with support 41, the upper end of two clutch arms 20
It is connected by spring 19, the lower end of two clutch arms is separately installed with clutch gear 25, clutch gear 25 and driving gear 23
Can engage each other；Two adjusting rods 24 are provided with the support below driving gear 23, two adjusting rods are respectively fixed with
Driven gear 21, driven gear 21 can engage each other with clutch gear 25；Above driving gear 23 two are located on support 41
Be fixed with two clutch air cylinders 22 between bar clutch arm upper end, the telescopic end of two clutch air cylinders 22 respectively with two clutch arms 20
Upper end contacts.
By support 33, servomotor 30, cylinder 29, pushing plate 31 forms the constant-voltage equipment of this, in the left end of support 33
It is fixed with two cylinders 29, right-hand member is fixed with two servomotors 30, the rotating shaft of two servomotors 30 is each passed through support 33
Extend in support 33, and have screw thread on the axle body of this two rotating shaft；One end of two pieces of pushing plates 31 is passed through to be threaded onto respectively
Article two, in rotating shaft, the other end of two pieces of pushing plates 31 is connected with the expansion link of two cylinders 29 respectively.Described constant-pressure tank sets
It is equipped with two constant voltage values and be respectively 140 mmh20 and 120mmh20 independent constant voltage storehouse, the input in two independent constant voltage storehouses divides
It is not connected by pipeline with the air pressure output end of two cylinders；It is respectively provided with the output port 3,5 in two independent constant voltage storehouses
There is fine bleeder port, the capacity of bleeder port is 0.1～0.5 mmh per minute20 excretion.
Claims (5)
1. a kind of automatic commissioning device of dish-washing machine pressure switch, it includes frame, control panel, plc controller, SERVO CONTROL
Device, magnetic valve, compressed air pressure regulating valve, cylinder, pressure pan, constant-pressure tank, it is characterized in that there is fixing device, adjusting means, constant voltage
Device, described fixing device is arranged on the front panel of frame, is provided with adjustment hole, pneumatic fittings, touches in fixing device
Send out detection contact；Pneumatic fittings are connected with the output end of pressure pan, constant-pressure tank by pipeline, and are respectively arranged with pipeline
Magnetic valve is controlled by plc controller, and the output end of constant-pressure tank has fine bleeder port；Wire is passed through in detection trigger contact
It is connected with plc controller；The rear being located at fixing device in frame is provided with adjusting means, is provided with and watches in adjusting means
Take motor and adjusting rod, servomotor is driven controlling by servo controller, and adjusting rod passes through gear driven by servomotor；
The adjusting rod of adjusting means is relative with the adjustment hole position in fixing device, the frame below adjusting means is fixed with and pushes away
Inlet casing, propulsion cylinder is controlled by plc controller, and the bottom of adjusting means is fixed on the expansion link of propulsion cylinder；?
Bottom in frame is provided with constant-voltage equipment, is provided with servomotor and constant voltage cylinder, servomotor is by servo in constant-voltage equipment
Controller is driven controlling, and the expansion link of constant voltage cylinder is driven by servomotor, and the air pressure output end of constant voltage cylinder passes through pipe
Road is connected with constant-pressure tank input.
2. the automatic commissioning device of a kind of dish-washing machine pressure switch according to claim 1, it is characterized in that fixing device by
Fixed seat, compression cylinder, pressing plate, pneumatic fittings form, and are provided with the placement position of pressure switch in the middle of fixed seat, place
It is provided with two adjustment holes in position, the fixed seat placing immediately below position is provided with pneumatic fittings；Place consolidating directly over position
Compression cylinder is fixed with reservation, the expansion link of compression cylinder is fixed with pressing plate；The back of fixed seat is provided with three triggerings
Detection contact, pressure switch is placed on the placement position of fixing device, the high and low pressure contact adjusting knob of pressure switch respectively with
Two adjustment holes are corresponding, in the pressure input pipe of pressure switch insertion pneumatic fittings, three pins of pressure switch respectively with
Three detection trigger contacts are connected.
3. the automatic commissioning device of a kind of dish-washing machine pressure switch according to claim 1, it is characterized in that adjusting means by:
Support, servomotor, spring, clutch arm, clutch gear, driving gear, driven gear, clutch air cylinder, adjusting rod forms, and is propping up
The back fixation of frame has servomotor, and the rotating shaft of servomotor extends in support through support, and is fixed with here end
Driving gear, is respectively arranged with clutch arm in the left and right both sides of driving gear, and the middle of clutch arm is hinged with support, two from
The upper end closing arm is connected by spring, and the lower end of two clutch arms is separately installed with clutch gear, clutch gear and driving tooth
Wheel can engage each other；Two adjusting rods are provided with the support below driving gear, two adjusting rods are respectively fixed with from
Moving gear, driven gear can engage each other with clutch gear；Support is located above driving gear two clutch arm upper ends it
Between be fixed with two clutch air cylinders, the telescopic end of two clutch air cylinders is contacted with two clutch arm upper ends respectively.
4. the automatic commissioning device of a kind of dish-washing machine pressure switch according to claim 1, it is characterized in that constant-voltage equipment by
Support, servomotor, cylinder, pushing plate forms, and is fixed with two cylinders in the left end of support, right-hand member is fixed with two servo electricity
Machine, the rotating shaft of two servomotors is each passed through support and extends in support, and has screw thread on the axle body of this two rotating shaft；Two pieces
Respectively by being threaded onto in two rotating shafts, the other end of two pieces of pushing plates is flexible with two cylinders respectively for one end of pushing plate
Bar is connected.
5. the automatic commissioning device described in a kind of application claim 1 carries out the automatic adjustment method of dish-washing machine pressure switch, its
Feature is that high and low pressure trigger point adjustment method is as follows:
The step of high pressure trigger point adjustment method is as follows:
Step 1: input the triggering air pressure of high pressure for pressure switch；
Step 2: whether the high-voltage contact of detection pressure switch triggers；
Step 3: if the testing result of step 2 is yes, pressure switch is pressed, the high pressure then adjusting pressure switch touches
Point adjusting knob is adjusted from low triggering numerical value to high triggering numerical value direction；
Step 4: repeat three above step until the testing result of step 2 is no, carry out step 5；
Step 5: input the triggering air pressure of high pressure for pressure switch, then adjust the high-voltage contact adjusting knob of pressure switch by height
Triggering numerical value slowly rotates regulation to low triggering numerical value direction and is triggered until high-voltage contact is detected, regulation of then stopping the rotation
Complete high pressure spot debugging；
The step of low pressure trigger point adjustment method is as follows:
Step 1: input the air pressure of forced-triggered for pressure switch；
Step 2: directly switch to low pressure triggering air pressure for pressure switch in the case of not pressing；
Step 3: whether the low-pressure contact of detection pressure switch triggers；
Step 4: if the testing result of step 3 is yes, pressure switch is pressed, the low pressure then adjusting pressure switch is touched
Point adjusting knob is adjusted from high triggering numerical value to low triggering numerical value direction；
Step 5: repeat above four steps until the testing result of step 3 is no, carry out step 6；
Step 6: input the triggering air pressure of low pressure for pressure switch, then adjust the low-pressure contact adjusting knob of pressure switch by low
Triggering numerical value slowly rotates regulation to high triggering numerical value direction and is triggered until low-pressure contact is detected, regulation of then stopping the rotation
Complete low pressure point debugging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410354969.9A CN104122833B (en) | 2014-07-24 | 2014-07-24 | Automatic debugging device and method for dish-washing machine pressure switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410354969.9A CN104122833B (en) | 2014-07-24 | 2014-07-24 | Automatic debugging device and method for dish-washing machine pressure switch |
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| CN104122833A CN104122833A (en) | 2014-10-29 |
| CN104122833B true CN104122833B (en) | 2017-01-25 |
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| CN201410354969.9A Active CN104122833B (en) | 2014-07-24 | 2014-07-24 | Automatic debugging device and method for dish-washing machine pressure switch |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107833773B (en) * | 2017-11-07 | 2019-01-15 | 江苏奇点家具有限公司 | A kind of pressure regulator of mechanical pressure switch |
| CN108803696B (en) * | 2018-06-22 | 2019-05-31 | 杭州为家美小家电有限公司 | Automatic Regulation equipment for insulation cover pressure switch |
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| US4854165A (en) * | 1987-06-01 | 1989-08-08 | Danford A. Jay | Apparatus for testing electrical components |
| EP0328249A1 (en) * | 1988-02-08 | 1989-08-16 | Sure Torque, Inc. | Apparatus for testing the release torque of container caps |
| CN102126404A (en) * | 2011-01-26 | 2011-07-20 | 中国计量学院 | Anti-explosion air valve exhaust pressure testing and regulating equipment |
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Effective date of registration: 20160523 Address after: 528300, No. 12 South Road, Huang Yong Industrial Zone, Beijiao Town, Shunde District, Guangdong, Foshan Applicant after: Guangdong saipu Electrical Appliance Manufacturing Co. Ltd Address before: 528300, No. 12 South Road, Huang Yong Industrial Zone, Beijiao Town, Shunde District, Guangdong, Foshan Applicant before: Yu Yunliang |
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