CN104122833A - 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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- CN104122833A CN104122833A CN201410354969.9A CN201410354969A CN104122833A CN 104122833 A CN104122833 A CN 104122833A CN 201410354969 A CN201410354969 A CN 201410354969A CN 104122833 A CN104122833 A CN 104122833A
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- pressure
- pressure switch
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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 a kind of Apparatus and method for of trigger point of slowly being debugged to high value to low value or by low value by high value.
Background technology
Along with social development, the work of washing the dishes has realized robotization by machine and has washed the dishes, and in dish-washing machine, be provided with pressure switch, for strict interior pressure and the water level of controlling dish-washing machine, and after pressure switch is produced, also need to debug the numerical value of high pressure trigger point and low pressure trigger point, and common debugging is to rely on workman to rely on experience to find trigger point, pressurization, finding trigger point so repeats finally to obtain trigger point numerical value accurately and has located debugging again, but there is the practical experience that relies on workman in this kind of debud mode, and operate complicated, efficiency is low, the shortcomings such as debugging mass deviation is large.
Summary of the invention
The automatic Debugging equipment and the adjustment method that the object of this invention is to provide a kind of dish-washing machine pressure switch, it utilizes constant-voltage equipment and regulating device in the automation mechanized operation of PLC and servo controller, to complete exactly the high and low pressure trigger parameter debugging of pressure switch, and simple to operate, efficiency is high, and debugging mass deviation is little.
Technical solution of the present invention is in frame, control panel, PLC controller, servo controller, solenoid valve, compressed air pressure regulating valve, cylinder, pressure pan, on the basis of constant-pressure tank, has been characterized in stationary installation, regulating device, constant-voltage equipment, described stationary installation is arranged on the front panel of frame, is provided with adjustment hole, pneumatic fittings, detection trigger contact in stationary installation; Pneumatic fittings is connected with the output terminal of pressure pan, constant-pressure tank by pipeline, and on pipeline, is respectively arranged with solenoid valve and is controlled by PLC controller, and the output terminal of constant-pressure tank has fine bleeder port; Detection trigger contact is connected with PLC controller by wire; The rear that is positioned at stationary installation in frame is provided with regulating device, is provided with servomotor and adjuster bar in regulating device, and servomotor drives control by servo controller, and adjuster bar passes through gear driven by servomotor; The adjuster bar of regulating device is relative with the adjustment hole position in stationary installation, in the frame of regulating device below, is fixed with propulsion cylinder, and propulsion cylinder is controlled by PLC controller, and the bottom of regulating device is fixed on the expansion link of propulsion cylinder; Bottom in frame is provided with constant-voltage equipment, in constant-voltage equipment, be provided with servomotor and constant voltage cylinder, servomotor drives control by servo controller, and the expansion link of constant voltage cylinder is driven by servomotor, and the air pressure output terminal of constant voltage cylinder is connected with constant-pressure tank input end by pipeline.
High and low pressure of the present invention trigger point adjustment method is as follows:
The step of high pressure trigger point adjustment method is as follows:
Step 1: be the triggering air pressure of pressure switch input high pressure;
Step 2: whether the high-voltage contact of detected pressures switch triggers;
Step 3: if the testing result of step 2 is yes, pressure switch is carried out to release, then regulate the high-voltage contact adjusting knob of pressure switch to be regulated to height triggering numerical value direction by low triggering numerical value;
Step 4: repeat above three steps until the testing result of step 2 is no, carry out step 5;
Step 5: be the triggering air pressure of pressure switch input high pressure, then the high-voltage contact adjusting knob that regulates pressure switch triggers numerical value by height and to low triggering numerical value direction slow circumvolve, regulates until high-voltage contact detected and be triggered, and then stops the rotation and has regulated high pressure spot to debug.
The step of low pressure trigger point adjustment method is as follows:
Step 1: be the air pressure of pressure switch input forced-triggered;
Step 2: directly trigger air pressure for pressure switch switches to low pressure in the situation that of not release;
Step 3: whether the low-pressure contact of detected pressures switch triggers;
Step 4: if the testing result of step 3 is yes, pressure switch is carried out to release, then regulate the low-pressure contact adjusting knob of pressure switch to be regulated to height triggering numerical value direction by low triggering numerical value;
Step 5: repeat above four steps until the testing result of step 3 is no, carry out step 6;
Step 6: be the triggering air pressure of pressure switch input low pressure, then the low-pressure contact adjusting knob that regulates pressure switch triggers numerical value direction slow circumvolve by low triggering numerical value to height and regulates until low-pressure contact detected and be triggered, and then stops the rotation and has regulated low pressure point to debug.
Stationary installation described in present device is by holder, clamping cylinder, pressing plate, pneumatic fittings forms, in the middle of holder, be provided with the placement position of pressure switch, place in position and be provided with two adjustment holes, on the holder under placement position, be provided with pneumatic fittings; On holder directly over placement position, be fixed with clamping cylinder, on the expansion link of clamping cylinder, be fixed with pressing plate; The back of holder is provided with three detection trigger contacts, pressure switch is placed on the placement position of stationary installation, the high and low pressure contact adjusting knob of pressure switch is corresponding with two adjustment holes respectively, the pressure input pipe of pressure switch inserts in pneumatic fittings, and three pins of pressure switch are connected with three detection trigger contacts respectively.
Regulating device described in present device is by support, servomotor, spring, clutch arm, clutch gear, driving gear, follower gear, clutch air cylinder, adjuster bar forms, back at support is fixed with servomotor, the rotating shaft of servomotor extends in support through support, and be fixed with driving gear on this end, left at driving gear, right both sides is respectively arranged with clutch arm, middle and the support of clutch arm are hinged, article two, the upper end of clutch arm is connected by spring, article two, the lower end of clutch arm is separately installed with clutch gear, clutch gear and driving gear can be intermeshing, on support below driving gear, be provided with two adjuster bars, on two adjuster bars, be fixed with respectively follower gear, follower gear and clutch gear can be intermeshing, on support, above driving gear, between two clutch arm upper ends, be fixed with two clutch air cylinders, the telescopic end of two clutch air cylinders contacts with two clutch arm upper ends respectively.
Constant-voltage equipment described in present device is by support, servomotor, cylinder, pushing plate forms, and at the left end of support, is fixed with two cylinders, and right-hand member is fixed with two servomotors, the rotating shaft of two servomotors extends in support through support respectively, and has screw thread on the axle body of this two rotating shaft; One end of two pushing plates is screwed in two rotating shafts by screw thread respectively, and the other end of two pushing plates is connected with the expansion link of two cylinders respectively.
Principle of work of the present invention is that pressure switch is placed in stationary installation of the present invention, and operation makes constant-pressure tank keep output 140 mmH to constant-voltage equipment then by PLC controller, to detect air pressure
20 and 120mmH
20 constant air pressure, control solenoid valve operate, control servo controller to each cylinder and to respectively watching motor, operate, according to the adjustment method of the present invention's record, pressure switch completed to trigger point numerical value debugging in an orderly manner.
Advantage of the present invention is rational in infrastructure, and its energy robotization completes the high and low pressure trigger point debugging of pressure switch exactly, and simple to operate, and efficiency is high, and debugging mass deviation is little.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is inner structure schematic diagram of the present invention.
Fig. 3 is regulating device structural representation of the present invention.
Fig. 4 is pressure switch construction schematic diagram.
Fig. 5 is constant-voltage equipment structural representation of the present invention.
Fig. 6 is fixture structure schematic diagram of the present invention.
Fig. 7 is another angle structural representation of stationary installation of the present invention.
Embodiment
Shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, the present invention is in frame 9, control panel 17, PLC controller 11, servo controller 13, solenoid valve 16, compressed air pressure regulating valve 7, cylinder 22,29, pressure pan 8, on the basis of constant-pressure tank 1,2, be characterized in stationary installation 10, regulating device 14, constant-voltage equipment 12, described stationary installation 10 is arranged on the front panel of frame 9, and in stationary installation, 10 are provided with adjustment hole, pneumatic fittings 37, detection trigger contact 39; Pneumatic fittings 37 is 140 mmH by pipeline and pressure pan 8, constant voltage value
20 constant-pressure tank 1, constant voltage value are 120 mmH
2the output terminal of 0 constant-pressure tank 2 three tanks is connected, and on pipeline, is respectively arranged with solenoid valve 16 and is controlled by PLC controller 11, and constant voltage value is 140 mmH
20 constant-pressure tank 1, constant voltage value are 120 mmH
2the output terminal of 0 constant-pressure tank 2 all has fine bleeder port, and the speed of losing heart is at per minute 0.1～0.5 mmH
20 excretion; Detection trigger contact 39 is connected with PLC controller 11 by wire; The rear that is positioned at stationary installation 10 in frame 9 is provided with regulating device 14, is provided with servomotor 18 and adjuster bar 24 in regulating device 14, and servomotor 18 drives control by servo controller 13, and adjuster bar 24 passes through gear driven by servomotor 18; The adjuster bar 24 of regulating device 14 is relative with the adjustment hole position in stationary installation 10, in the frame 9 of regulating device 14 belows, be fixed with propulsion cylinder 15, propulsion cylinder 15 is controlled by PLC controller 11, and the bottom of regulating device 14 is fixed on the expansion link of propulsion cylinder 15; Bottom in frame 9 is provided with constant-voltage equipment 12, in constant-voltage equipment 12, be provided with servomotor 30 and constant voltage cylinder 29, servomotor 30 drives control by servo controller 13, the expansion link of constant voltage cylinder 29 is driven by servomotor 30, and the air pressure output terminal of constant voltage cylinder 29 is connected with constant-pressure tank 1,2 input ends 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 solenoid valve 16 and is inputted 140 mmH for pressure switch
2the triggering air pressure of 0 high pressure.
Whether step 2:PLC controller 11 triggers by the high-voltage contact of the trigger detection point 39 detected pressures switches of stationary installation 10.
Step 3: if the testing result of step 2 is yes, PLC controller 11 is opened 16 pairs of pressure switches of corresponding solenoid valve and is carried out release, then to the servomotor 18 of 13 pairs of regulating devices of signal servo controller, control, the high-voltage contact adjusting knob 26 that simultaneously drives the corresponding adjuster bar of pressure switch high-voltage contact adjusting knob to carry out pressure switch triggers numerical value direction by low triggering numerical value to height and regulates.
Step 4: repeat above three steps until the testing result of step 2 is no, carry out step 5.
Step 5:PLC controller 11 is opened corresponding solenoid valve 16 and is inputted 140 mmH for pressure switch
20 high pressure triggers air pressure, then PLC controller 11 controls to the servomotor 18 of 13 pairs of regulating devices of signal servo controller, drive high-voltage contact adjusting knob that the corresponding adjuster bar of pressure switch high-voltage contact adjusting knob carries out pressure switch to trigger numerical value by height simultaneously and regulate until PLC controller 11 detects high-voltage contact is triggered to low triggering numerical value direction slow circumvolve, then stop the rotation and has regulated high pressure spot to debug.
The step of low pressure trigger point adjustment method is as follows:
Step 1: be the air pressure of the pressure switch input numerical value forced-triggered that is 2kpa;
Step 2:PLC controller 11 control solenoid valves 16 in the situation that of not release directly for pressure switch switches to 120 mmH
20 low pressure triggers air pressure.
Whether step 3:PLC controller 11 triggers by the low-pressure contact of the trigger detection point 39 detected pressures switches of stationary installation 10.
Step 4: if the testing result of step 3 is yes, PLC controller 11 is opened 16 pairs of pressure switches of corresponding solenoid valve and is carried out release, then to the servomotor 18 of 13 pairs of regulating devices of signal servo controller, control, the low-pressure contact adjusting knob 27 that simultaneously drives the corresponding adjuster bar of pressure switch low-pressure contact adjusting knob to carry out pressure switch triggers numerical value by height and regulates 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:PLC controller 11 is opened corresponding solenoid valve 16 and is inputted 120 mmH for pressure switch
20 low pressure triggers air pressure, then PLC controller 11 controls to the servomotor 18 of 13 pairs of regulating devices of signal servo controller, drive high-voltage contact adjusting knob that the corresponding adjuster bar of pressure switch low-pressure contact adjusting knob carries out pressure switch to height, to trigger that numerical value direction slow circumvolve regulates until PLC controller 11 detects low-pressure contact is triggered by low triggering numerical value simultaneously, then stop the rotation and has regulated high pressure spot to debug.
Stationary installation 10 of the present invention is by holder 34, clamping cylinder 35, pressing plate 36, pneumatic fittings 37 forms, in the middle of holder 34, be provided with the placement position 38 of pressure switch, place in position 38 and be provided with two adjustment holes, on the holder 34 under placement position 38, be provided with pneumatic fittings 37; On holder 34 directly over placement position 38, be fixed with clamping cylinder 35, on the expansion link of clamping cylinder 35, be fixed with pressing plate 36; The back of holder 34 is provided with three detection trigger contacts 39, pressure switch is placed on the placement position 38 of stationary installation 10, the high-voltage contact adjusting knob 26 of pressure switch, low-pressure contact adjusting knob 27 are corresponding with two adjustment holes respectively, the pressure input pipe 28 of pressure switch inserts in pneumatic fittings 37, and three pins 40 of pressure switch are connected with three detection trigger contacts 39 respectively.
Regulating device of the present invention is by support 41, servomotor 18, spring 19, clutch arm 20, clutch gear 25, driving gear 23, follower gear 21, clutch air cylinder 22, adjuster bar 24 forms, at the back of support 41, be fixed with servomotor 18, the rotating shaft of servomotor 18 extends in support 41 through support 41, and on this end, be fixed with driving gear 23, on driving gear 23 left sides, right both sides is respectively arranged with clutch arm 20, the middle of clutch arm 20 and support 41 are hinged, article two, the upper end of clutch arm 20 is connected by spring 19, article two, the lower end of clutch arm is separately installed with clutch gear 25, clutch gear 25 can be intermeshing with driving gear 23, on support below driving gear 23, be provided with on 24, two adjuster bars of two adjuster bars and be fixed with respectively follower gear 21, follower gear 21 can be intermeshing with clutch gear 25, the telescopic end that is fixed with 22, two clutch air cylinders 22 of two clutch air cylinders on support 41 between two clutch arm upper ends above driving gear 23 contacts with two clutch arm 20 upper ends respectively.
The constant-voltage equipment of this is by support 33, servomotor 30, cylinder 29, pushing plate 31 forms, left end at support 33 is fixed with two cylinders 29, the rotating shaft that right-hand member is fixed with 30, two servomotors 30 of two servomotors extends in support 33 through support 33 respectively, and has screw thread on the axle body of this two rotating shaft; One end of two pushing plates 31 is screwed in two rotating shafts by screw thread respectively, and the other end of two pushing plates 31 is connected with the expansion link of two cylinders 29 respectively.Described constant-pressure tank is provided with two constant voltage values and is respectively 140 mmH
20 and 120mmH
20 independent constant voltage storehouse, the input end in two independent constant voltage storehouses is connected by pipeline with the air pressure output terminal of two cylinders respectively; On the output port 3,5 in two independent constant voltage storehouses, be respectively arranged with fine bleeder port, the air capacity of bleeder port is per minute 0.1～0.5 mmH
20 excretion.
Claims (5)
1. an automatic Debugging equipment for dish-washing machine pressure switch, it comprises frame, control panel, PLC controller, servo controller, solenoid valve, compressed air pressure regulating valve, cylinder, pressure pan, constant-pressure tank, it is characterized in that there is stationary installation, regulating device, constant-voltage equipment, described stationary installation is arranged on the front panel of frame, is provided with adjustment hole, pneumatic fittings, detection trigger contact in stationary installation; Pneumatic fittings is connected with the output terminal of pressure pan, constant-pressure tank by pipeline, and on pipeline, is respectively arranged with solenoid valve and is controlled by PLC controller, and the output terminal of constant-pressure tank has fine bleeder port; Detection trigger contact is connected with PLC controller by wire; The rear that is positioned at stationary installation in frame is provided with regulating device, is provided with servomotor and adjuster bar in regulating device, and servomotor drives control by servo controller, and adjuster bar passes through gear driven by servomotor; The adjuster bar of regulating device is relative with the adjustment hole position in stationary installation, in the frame of regulating device below, is fixed with propulsion cylinder, and propulsion cylinder is controlled by PLC controller, and the bottom of regulating device is fixed on the expansion link of propulsion cylinder; Bottom in frame is provided with constant-voltage equipment, in constant-voltage equipment, be provided with servomotor and constant voltage cylinder, servomotor drives control by servo controller, and the expansion link of constant voltage cylinder is driven by servomotor, and the air pressure output terminal of constant voltage cylinder is connected with constant-pressure tank input end by pipeline.
2. an automatically debug method for dish-washing machine pressure switch, is characterized in 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: be the triggering air pressure of pressure switch input high pressure;
Step 2: whether the high-voltage contact of detected pressures switch triggers;
Step 3: if the testing result of step 2 is yes, pressure switch is carried out to release, then regulate the high-voltage contact adjusting knob of pressure switch to be regulated to height triggering numerical value direction by low triggering numerical value;
Step 4: repeat above three steps until the testing result of step 2 is no, carry out step 5;
Step 5: be the triggering air pressure of pressure switch input high pressure, then the high-voltage contact adjusting knob that regulates pressure switch triggers numerical value by height and to low triggering numerical value direction slow circumvolve, regulates until high-voltage contact detected and be triggered, and then stops the rotation and has regulated high pressure spot to debug;
The step of low pressure trigger point adjustment method is as follows:
Step 1: be the air pressure of pressure switch input forced-triggered;
Step 2: directly trigger air pressure for pressure switch switches to low pressure in the situation that of not release;
Step 3: whether the low-pressure contact of detected pressures switch triggers;
Step 4: if the testing result of step 3 is yes, pressure switch is carried out to release, then regulate the low-pressure contact adjusting knob of pressure switch to be regulated to low triggering numerical value direction by height triggering numerical value;
Step 5: repeat above four steps until the testing result of step 3 is no, carry out step 6;
Step 6: be the triggering air pressure of pressure switch input low pressure, then the low-pressure contact adjusting knob that regulates pressure switch triggers numerical value direction slow circumvolve by low triggering numerical value to height and regulates until low-pressure contact detected and be triggered, and then stops the rotation and has regulated low pressure point to debug.
3. the automatic Debugging equipment of a kind of dish-washing machine pressure switch according to claim 1, it is characterized in that stationary installation is by holder, clamping cylinder, pressing plate, pneumatic fittings forms, in the middle of holder, be provided with the placement position of pressure switch, place in position and be provided with two adjustment holes, on the holder under placement position, be provided with pneumatic fittings; On holder directly over placement position, be fixed with clamping cylinder, on the expansion link of clamping cylinder, be fixed with pressing plate; The back of holder is provided with three detection trigger contacts, pressure switch is placed on the placement position of stationary installation, the high and low pressure contact adjusting knob of pressure switch is corresponding with two adjustment holes respectively, the pressure input pipe of pressure switch inserts in pneumatic fittings, and three pins of pressure switch are connected with three detection trigger contacts respectively.
4. the automatic Debugging equipment of a kind of dish-washing machine pressure switch according to claim 1, it is characterized in that regulating device is by support, servomotor, spring, clutch arm, clutch gear, driving gear, follower gear, clutch air cylinder, adjuster bar forms, back at support is fixed with servomotor, the rotating shaft of servomotor extends in support through support, and be fixed with driving gear on this end, left at driving gear, right both sides is respectively arranged with clutch arm, middle and the support of clutch arm are hinged, article two, the upper end of clutch arm is connected by spring, article two, the lower end of clutch arm is separately installed with clutch gear, clutch gear and driving gear can be intermeshing, on support below driving gear, be provided with two adjuster bars, on two adjuster bars, be fixed with respectively follower gear, follower gear and clutch gear can be intermeshing, on support, above driving gear, between two clutch arm upper ends, be fixed with two clutch air cylinders, the telescopic end of two clutch air cylinders contacts with two clutch arm upper ends respectively.
5. the automatic Debugging equipment of a kind of dish-washing machine pressure switch according to claim 1, it is characterized in that constant-voltage equipment is by support, servomotor, cylinder, pushing plate forms, and at the left end of support, is fixed with two cylinders, and right-hand member is fixed with two servomotors, the rotating shaft of two servomotors extends in support through support respectively, and has screw thread on the axle body of this two rotating shaft; One end of two pushing plates is screwed in two rotating shafts by screw thread respectively, and the other end of two pushing plates is connected with the expansion link of two cylinders respectively.
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| 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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| Publication Number | Publication Date |
|---|---|
| CN104122833A true CN104122833A (en) | 2014-10-29 |
| CN104122833B CN104122833B (en) | 2017-01-25 |
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ID=51768288
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107833773A (en) * | 2017-11-07 | 2018-03-23 | 胡君分 | A kind of pressure regulator of mechanical pressure switch |
| CN108803696A (en) * | 2018-06-22 | 2018-11-13 | 杭州为家美小家电有限公司 | Automatic Regulation equipment for insulation cover pressure switch |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104122833B (en) | 2017-01-25 |
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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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Address after: 528308 No.15, Shilong Road, committee of Yange village, Lunjiao, Shunde District, Foshan City, Guangdong Province Patentee after: GUANGDONG SAIPU APPLIANCES MANUFACTURING Co.,Ltd. Address before: 528300, No. 12 South Road, Huang Yong Industrial Zone, Beijiao Town, Shunde District, Guangdong, Foshan Patentee before: GUANGDONG SAIPU APPLIANCES MANUFACTURING Co.,Ltd. |