CN116519100A - Automatic verification system for water meter - Google Patents
Automatic verification system for water meter Download PDFInfo
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- CN116519100A CN116519100A CN202310796514.1A CN202310796514A CN116519100A CN 116519100 A CN116519100 A CN 116519100A CN 202310796514 A CN202310796514 A CN 202310796514A CN 116519100 A CN116519100 A CN 116519100A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 410
- 238000012795 verification Methods 0.000 title claims abstract description 159
- 230000007246 mechanism Effects 0.000 claims abstract description 163
- 238000005086 pumping Methods 0.000 claims description 53
- 238000000605 extraction Methods 0.000 claims description 29
- 230000002950 deficient Effects 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 238000001514 detection method Methods 0.000 description 23
- 238000003556 assay Methods 0.000 description 11
- 238000003809 water extraction Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Abstract
The invention relates to the technical field of instrument verification, in particular to an automatic verification system of a water meter, which comprises a main conveyor belt, wherein an assembly area and a verification area are sequentially arranged on the main conveyor belt; an assembling mechanism and a vacuumizing mechanism are arranged in the assembling area; the assembly mechanism comprises a water inlet connecting pipe, a water outlet connecting pipe and a second driving mechanism; the water inlet connecting pipe and the water outlet connecting pipe are respectively connected with two ends of the water meter to form a verification piece by driving by the corresponding second driving mechanism; the vacuumizing mechanism comprises a vacuum pump, an air suction connecting pipe connected with the vacuum pump and a third driving mechanism in driving connection with the air suction connecting pipe, the air suction connecting pipe can be communicated with one end of the verification piece, and a first switch is respectively arranged on the water inlet connecting pipe and the water outlet connecting pipe; the position of the water inlet pipe close to the water inlet connecting pipe is also provided with a second switch. According to the automatic verification system for the water meter, the water meter is vacuumized and then verified, so that the influence of gas on verification effects is reduced, and meanwhile, the verification efficiency is improved.
Description
Technical Field
The invention relates to the technical field of instrument verification, in particular to an automatic verification system for a water meter.
Background
The water meter is an instrument for measuring water flow, is mainly used for measuring accumulated water flow, and plays an extremely important role in the aspects of water supply and drainage flow calculation, water cost trade settlement, energy metering, industrial and agricultural water process control and the like.
As a metering tool, the accuracy is quite important, before the water meter leaves the factory, the water meter is subjected to flow error verification and pressure resistance verification according to the specification of national metering verification regulations, the verification method is that the water meter is connected in a verification pipeline, and then the water pump, the water inlet valve, the water outlet valve and the flow regulating valve in the verification pipeline are controlled to work through a control center to detect.
The flow error verification is to verify the difference between the flow rate displayed by the water meter and the actual flow rate, and the flow rate displayed by the water meter is characterized by the degree of rotation of a water meter pointer, but after the water meter is connected in a verification pipeline, air exists in the water meter and the pipeline, and the degree of the water meter can be influenced by the air flowing through the water meter. In this regard, chinese patent application No. 202211475086.4 discloses a water meter verification device and a verification method, it discloses that an exhaust pipe is connected to the side of a communicating pipe, a first control valve is installed on the exhaust pipe, the communicating pipe is provided with a first electromagnetic valve, the first electromagnetic valve is arranged between the exhaust pipe and a metering container, the air in the water pressure stable water tank output is discharged from the exhaust pipe in advance from the water meter to be tested, the pipeline is in a state of being fully filled with water, the pointer of the water meter to be tested is driven to rotate by the water tank output water flow, redundant water flows into the metering container for comparison, the influence of air in the pipeline on the water meter to be tested is avoided, and the accuracy of the verification result of the water meter to be tested is improved.
In the related art, the pipeline and the water meter are discharged through water, so that on one hand, the water meter filled with air is impacted by water flow during water feeding, and the water meter is damaged, and on the other hand, before each verification, water feeding and air discharging operations are needed, so that the working efficiency is affected.
Disclosure of Invention
Therefore, the invention provides an automatic verification system for the water meter, which aims to achieve the effects of reducing the influence of gas on verification effects and improving verification efficiency.
The technical scheme of the invention is as follows:
an automatic verification system for a water meter, comprising
A main conveyor belt, wherein an assembly area and a verification area are sequentially arranged on the main conveyor belt along the conveying direction of the main conveyor belt;
the verification area is internally provided with a verification mechanism which is provided with a water inlet pipe for inputting detection water flow, a water outlet pipe for detecting water flow and a fourth driving mechanism which is respectively in driving connection with the water inlet pipe and the water outlet pipe;
an assembling mechanism and a vacuumizing mechanism are arranged in the assembling area;
the assembly mechanism comprises a water inlet connecting pipe and a water outlet connecting pipe, and a second driving mechanism which is respectively in driving connection with the water inlet connecting pipe and the water outlet connecting pipe; the water inlet connecting pipe and the water outlet connecting pipe are respectively connected with two ends of the water meter to form a verification piece by being driven by a corresponding second driving mechanism;
the verification part is transported into the verification area under the action of the main conveyor belt and driven by the fourth driving mechanism, the water inlet pipe is connected with the water inlet connecting pipe, and the water outlet pipe is connected with the water outlet connecting pipe;
the vacuum pumping mechanism comprises a vacuum pump, an air suction connecting pipe connected with the vacuum pump and a third driving mechanism in driving connection with the air suction connecting pipe, the air suction connecting pipe can be communicated with one end of the verification piece, and a first switch is respectively arranged on the water inlet connecting pipe and the water outlet connecting pipe; the position of the water inlet pipe close to the water inlet connecting pipe is also provided with a second switch.
Through adopting above-mentioned technical scheme, use the main conveyor belt as power formation automatic verification assembly line, the water gauge arrives the equipment district earlier on the main conveyor belt, in the equipment district, second actuating mechanism starts, make inlet connection pipe and play water connecting pipe be connected respectively with the both ends of water gauge and constitute the examination piece, then third actuating mechanism starts, make the one end intercommunication of examination piece of air-extracting connection pipe be close on the examination piece this moment, keep away from the first switch of air-extracting connection pipe and close, start the vacuum pump and take out the air in the examination piece, then with the first switch of opening on the examination piece closed, the rethread third actuating mechanism separates the air-extracting connection pipe with the examination piece, the examination piece after being taken out enters into the examination district along with the main conveyor belt, inlet tube and inlet connection pipe intercommunication under fourth actuating mechanism's effect, outlet pipe and play water connecting pipe intercommunication, then open the second switch on the inlet tube, detect.
The arrangement of the second switch on the water inlet pipe can reduce the air entering the water inlet pipeline, the vacuumizing mechanism pumps out the air in the water meter, the influence of the air on the detection result is reduced, the condition that the water flow impacts the water meter filled with the air is avoided, and the damage to the water meter is reduced; in addition, after the assembly area is assembled with the verification components and vacuumized, the assembly area is directly subjected to verification in the verification area, the assembly and vacuumization processes of the next assembly of the verification components are synchronously carried out in the verification process of the verification area, after the verification of the last assembly of the verification components is completed, the newly assembled verification components directly enter the verification area for verification, no exhaust operation is needed after each time of assembling the verification pipeline, and the working efficiency is greatly improved.
Further, the water inlet pipe is further provided with a liquid level sensor and an exhaust pipe, the liquid level sensor is arranged between the second switch on the water inlet pipe and the exhaust pipe, and the exhaust pipe is provided with an electromagnetic valve.
After the water supply pipeline that supplies water to the inlet tube stops water, can be filled with air in the inlet tube, through adopting above-mentioned technical scheme, when having the first time of examining of air in the inlet tube, start water supply system and supply water, solenoid valve on the blast pipe is opened, and gas in the inlet tube can be discharged through the blast pipe, and until level sensor senses rivers, the solenoid valve closes, and rivers get into the inlet connection pipe, and exhaust operation carries out when examining to needs first time moreover, convenient and fast is favorable to improving work efficiency.
Further, the water inlet connecting pipes are connected in parallel to form a plurality of groups, and the water outlet connecting pipes are connected in parallel to form a plurality of groups;
the air extraction connecting pipe comprises an air extraction main pipe and a plurality of air extraction branch pipes, wherein the air extraction main pipe is connected with the vacuum pump, one end of each air extraction branch pipe is connected with the air extraction main pipe, and the other end of each air extraction branch pipe is correspondingly connected with the water inlet connecting pipe or the water outlet connecting pipe.
The water meter verification generally comprises pressure verification and flow verification, and after one verification, unqualified products are removed and then the next verification is carried out, so that invalid verification on the unqualified products is avoided.
Further, the water inlet pipe is provided with a plurality of water inlet connecting pipes, the water outlet pipe is provided with a plurality of water outlet connecting pipes, each water inlet pipe is provided with a booster pump and a pressure sensor, each water outlet branch pipe is provided with an instantaneous flow indicator and a reverser, and each reverser is provided with a measurement standard device.
By adopting the technical scheme, when the pressure is detected, a first switch on the water inlet connecting pipe is closed, a booster pump is started, water flow is conveyed into the corresponding water inlet pipe until the pressure detected by the pressure sensor reaches the detection requirement (generally 1.5 times of the rated working pressure of the water meter), then the first switch on the water inlet connecting pipe is opened, water is put into the water meter, the pressure resistance detection is carried out for a specified time, after the pressure resistance detection is finished, the detection result is fed back to the control system, and the control system controls a second switch on the water inlet pipe where the unqualified water meter is positioned and an electrical element to be closed according to the detection result; and then starting the booster pump again until the instantaneous flowmeter detects that the flow value of the detection point is reached, wherein the instantaneous flowmeter is connected with the booster pump through a control system, so that the flow of each branch can reach the flow required by verification.
The pressure-resistant verification and the flow verification of the water meter can be completed in the same area, the second switch of the corresponding water inlet connecting pipe is closed according to the pressure-resistant verification result, the pressure-resistant verification defective products do not need to be subjected to the flow verification, a removing area is not needed in the middle to remove the water meter with the pressure-resistant verification defective products, the verification assembly line is shortened, and the verification efficiency is improved.
Further, the water outlet pipe comprises a connecting ring and a connecting pipe, the connecting ring is arranged in the connecting pipe, the connecting ring is in sealing connection with the water outlet connecting pipe, the connecting pipe is a square pipe, a sealing plate is arranged in the connecting pipe and is hinged with the top surface of the inner wall of the connecting pipe, and the sealing plate controls the smoothness and blockage of the connecting pipe along with the insertion and extraction of the water outlet connecting pipe.
Through adopting above-mentioned technical scheme, when not examining, the closing plate is in vertical state under the action of gravity, shutoff connecting pipe inner chamber reduces the air and gets into, when the play water connecting pipe inserts, under the promotion of play water connecting pipe, the closing plate upwards rotates to laminating with the connecting pipe inner wall, and the water supply flow passes through smoothly.
Further, a sorting area is further arranged on the main conveyor belt, and the sorting area is arranged at the downstream of the verification area; a splitting mechanism and a removing mechanism are arranged in the sorting area, and the removing mechanism is arranged at the downstream of the splitting mechanism;
the splitting mechanism comprises a plugboard and a sixth driving mechanism which is in driving connection with the plugboard, the parallel water inlet connecting pipes and the parallel water outlet connecting pipes are connected through the connecting plates, the connecting plates are provided with plug grooves, the plug grooves penetrate through the connecting plates along the movement direction of the main conveyor belt, the plug grooves are T-shaped grooves, and the plugboard can be inserted in the plug grooves;
the rejecting mechanism comprises a defective product conveyor belt arranged on one side of the main conveyor belt and a seventh driving mechanism for driving the water meter to move to the defective product conveyor belt.
Through adopting above-mentioned technical scheme, after pressure-proof verification and flow verification are all accomplished, the verification piece gets into the sorting area under the effect of main conveyor belt, along with the removal of verification piece, the plugboard inserts the jack-in inslot gradually, then under the effect of sixth actuating mechanism, the plugboard drives the connecting plate and removes for inlet connection pipe and inlet tube, outlet connection pipe and outlet pipe separation, the water gauge after the verification is scattered and is continued to move forward on main conveyor belt, when moving to inferior quality conveyor belt department, seventh actuating mechanism promotes the inferior quality according to control system's instruction to the inferior quality conveyor belt on, accomplish the detection.
Further, the device also comprises two assembling mechanism conveyor belts which are arranged at two sides of the main conveyor belt, wherein the assembling mechanism conveyor belts extend from the sorting area to the assembling area, and the assembling mechanism conveyor belts are fixedly connected with magnets which can be in adsorption fit with the connecting plates.
Through adopting above-mentioned technical scheme, equipment mechanism conveyer belt is opposite with main conveyer belt conveying path, under the effect of sixth actuating mechanism, the connecting plate removes to equipment mechanism conveyer belt, and connecting plate and magnet adsorb for the connecting plate is stable to stand on equipment mechanism conveyer belt, then along with the removal of equipment mechanism conveyer belt, the plugboard breaks away from in the jack-in groove, and the connecting plate removes to the equipment district in and carries out the equipment of next time.
Further, a water pumping area is further arranged on the main conveyor belt, the water pumping area is arranged between the sorting area and the verification area, and a water pumping mechanism is arranged in the water pumping area;
the water pumping mechanism comprises a water pumping pump, a water pumping connecting pipe connected with the water pumping pump and a fifth driving mechanism in driving connection with the water pumping connecting pipe, and the water pumping connecting pipe can be communicated with one end of the verification piece.
After verification is finished, water in the water meter is poured out, the water meter is inclined, the water is poured out, but the inner diameter of the center of the water meter is larger than the inner diameter of connecting pipes at two ends of the water meter, because the water is not poured out cleanly, after verification is finished, the verification piece reaches a water pouring area along with a main conveying belt, a water pumping connecting pipe is communicated with the verification piece under the action of a fifth driving mechanism, and the water pump pumps water to the verification piece, so that the water in the water meter can be pumped out more completely.
Further, a feeding area is further arranged on the main conveyor belt, the feeding area is arranged at the upstream of the assembling area, and a counting mechanism is arranged in the feeding area;
the counting mechanism comprises a counter, a code scanner, an adjusting rod and a first driving mechanism in driving connection with the adjusting rod, and the adjusting rod can move to the upper part of the main conveyor belt to block the water meter from moving forward under the driving of the first driving mechanism.
By adopting the technical scheme, the start and stop of the first driving mechanism are set according to the distance between the two parallel water inlet connecting pipes, the start and stop of the first driving mechanism are controlled, the distance between two adjacent water meters is controlled, and the water meters can be correspondingly connected with the assembly mechanism.
The working principle and the beneficial effects of the invention are as follows:
according to the automatic verification system for the water meter, the verification piece is obtained by assembling the water meter before the water meter is connected with the verification pipeline, then the vacuumizing operation is carried out on the verification piece, the verification piece with the vacuum inside is connected with the verification pipeline for verification, the influence of air on a detection result is reduced, meanwhile, the condition that water flow impacts the water meter full of air is avoided, the damage effect on the water meter is reduced, the assembling area synchronously carries out the assembling and vacuumizing processes of a next group of verification pieces in the verification process of the verification area, after the verification of the last group of verification pieces is completed, the newly assembled verification piece directly enters the verification area for verification, and the exhaust operation is not needed after the verification pipeline is assembled each time, so that the working efficiency is greatly improved.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic view of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic diagram of the structure of the loading zone and the assembly zone;
FIG. 3 is a schematic view of the structure of the assembly area vacuum assembly in the working state;
FIG. 4 is a schematic diagram of the structure of the assay region;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
FIG. 6 is a sectional view showing a state of a sealing plate when a water connection pipe is not inserted into a water outlet pipe;
FIG. 7 is a sectional view showing a state of a sealing plate when a water outlet connection pipe is inserted into a water outlet pipe;
FIG. 8 is a schematic diagram of the structure of the water extraction zone and the sorting zone;
fig. 9 is a schematic diagram of the assembly mechanism separated from the water meter in the sorting area.
In the figure: 1. a main conveyor belt; 11. a feeding area; 12. an assembly area; 121. a first driving mechanism; 122. a counter; 123. a code scanner; 13. an assay zone; 14. a water pumping area; 15. a sorting area; 2. an assembly mechanism; 21. a water inlet connecting pipe; 211. a connecting plate; 2111. a plug-in groove; 212. a first switch; 22. a water outlet connecting pipe; 23. a second driving mechanism; 3. a vacuum pumping mechanism; 31. a vacuum pump; 32. an air extraction connecting pipe; 321. an air extraction main pipe; 322. an air extraction branch pipe; 33. a third driving mechanism; 4. a verification mechanism; 41. a water inlet pipe; 411. a second switch; 412. a liquid level sensor; 413. a booster pump; 414. a pressure sensor; 415. an exhaust pipe; 416. a water tank; 42. a water outlet pipe; 421. a connecting pipe; 4211. An instantaneous flow indicator; 4212. a commutator; 4213. a metrology etalon; 4214. a sealing plate; 422. a connecting ring; 43. a fourth driving mechanism; 5. a water pumping mechanism; 51. a water pump; 52. a water pumping connecting pipe; 521. a water pumping main pipe; 522. a water pumping branch pipe; 53. a fifth driving mechanism; 6. a splitting mechanism; 61. a plug board; 62. a sixth driving mechanism; 7. a rejecting mechanism; 71. a defective conveyor belt; 72. a seventh driving mechanism; 8. assembling a mechanism conveyor belt; 81. a magnet; 9. a camera; 10. a water meter.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, this embodiment provides an automatic verification system for a water meter, including a main conveyor belt 1, a feeding area 11, an assembling area 12, a verification area 13, a water pumping area 14 and a sorting area 15 are sequentially arranged on the conveyor belt along the conveying direction of the main conveyor belt 1, the water meter 10 of the feeding area 11 is moved to the assembling area 12 under the action of the main conveyor belt 1, a verification piece is assembled in the assembling area 12, then the verification piece is vacuumized, the vacuumized verification piece is moved to the verification area 13 for verification, the verification piece after verification is moved to the water pumping area 14, water in the verification piece is pumped away, and then the verification piece is continuously moved to the sorting area 15, and unqualified products are removed. The air in the water meter 10 is pumped away for verification, so that the influence of the air on a detection result is reduced, the condition that water flow impacts the water meter 10 filled with the air is avoided, the damage to the water meter 10 is reduced, the assembly area 12 synchronously performs the assembly and vacuumizing processes of a next group of verification components in the verification process of the verification area 13, the newly assembled verification components directly enter the verification area 13 for verification after the verification of the previous group of verification components is completed, the exhaust operation is not required after each time of the verification pipeline is assembled, and the working efficiency is greatly improved.
Referring to fig. 1-2, an assembly mechanism 2 is disposed within the assembly zone 12. The assembly mechanism 2 comprises a water inlet connecting pipe 21, a water outlet connecting pipe 22 and a second driving mechanism 23 which is respectively in driving connection with the water inlet connecting pipe 21 and the water outlet connecting pipe 22. The water inlet connecting pipe 21 and the water outlet connecting pipe 22 are respectively provided with a first switch 212, and the first switch 212 is an electromagnetic valve. The water inlet connecting pipes 21 are arranged in parallel, the water outlet connecting pipes 22 are arranged in parallel, and two groups of water inlet connecting pipes 21 and water outlet connecting pipes 22 are connected in parallel in the specification and the drawing of the application show that the two groups of water inlet connecting pipes are connected in parallel for simplicity, and can be practically arranged according to the needs. The parallel water inlet connecting pipes 21 are connected through a connecting plate 211, the parallel water outlet connecting pipes 22 are connected through the connecting plate 211, the second driving mechanism 23 is a cylinder, and the second driving mechanism 23 acts on the connecting plate 211; a position sensor is arranged in the assembly area 12 at a position corresponding to the water inlet connecting pipe 21 of the feeding area 11.
Referring to fig. 2 to 3, a first driving mechanism 121, a counter 122, and a code scanner 123 are sequentially provided at the front end of the assembly area 12. The first driving mechanism 121 is an air cylinder, a piston rod of the air cylinder is horizontal and perpendicular to the conveying direction of the main conveyor belt 1, a worker or a manipulator places the water meter 10 in the feeding area 11, the water meter 10 moves to be abutted with the piston rod of the first driving mechanism 121, and the inclined water meter 10 can be aligned and then the piston rod is retracted. Limiting the frequency of the retraction of the piston rod of the first driving mechanism 121, adjusting the distance between two adjacent water meters 10, continuing to count the water meters 10 by the counter 122 and scanning the codes by the code scanner 123, transmitting a signal to the control system when the count of the counter 122 reaches the number of the water inlet connecting pipes 21 connected in parallel in the assembly mechanism 2, controlling the piston rod of the first driving mechanism 121 to be in an extending state by the control system, and stopping the movement of the main conveyor belt 1 in the feeding area 11. When the position sensor in the assembly area 12 senses the water meter 10, a signal is transmitted to the control system, the transmission belt in the assembly area 12 stops moving, and at the moment, the second driving mechanism 23 is started to push the connecting plate 211 to move towards the direction close to the water meter 10, so that the water inlet connecting pipe 21 and the water outlet connecting pipe 22 are respectively connected with two ends of the water meter 10 to form a verification piece.
Referring to fig. 3, a vacuum pumping mechanism 3 is also provided in the assembly area 12. The vacuum pumping mechanism 3 includes a vacuum pump 31, a suction connection pipe 32 communicating with the vacuum pump 31, and a third driving mechanism 33 connected with the suction connection pipe 32. The air extraction connecting pipe 32 comprises an air extraction main pipe 321 and a plurality of air extraction branch pipes 322, the number of the air extraction branch pipes 322 is consistent with that of the water outlet connecting pipes 22, the air extraction main pipe 321 is a hose, one end of each air extraction branch pipe 322 is communicated with the air extraction main pipe 321, and the other end of each air extraction branch pipe 322 can be communicated with the water inlet connecting pipe 21 or the water outlet connecting pipe 22. The third driving mechanism 33 is a cylinder. After the assembly is completed, the third driving mechanism 33 is started, so that the air extraction branch pipe 322 is connected with the water inlet connecting pipe 21, at the moment, the first switch 212 on the water outlet connecting pipe 22 is in a closed state, the first switch 212 on the water inlet connecting pipe 21 is in an open state, the vacuum pump 31 is started to suck the air in the verification piece, and after the suction is completed, the first switch 212 is closed. The assay component is then transported to the assay region 13 for assay.
Referring to fig. 3 to 5, an assay mechanism 4 is provided in the assay region 13, and the assay mechanism 4 includes a water inlet pipe 41 through which a detected water flow is inputted, a water outlet pipe 42 through which the detected water flow flows out, and a fourth driving mechanism 43 drivingly connected to the water inlet pipe 41 and the water outlet pipe 42, respectively. The water inlet pipe 41 and the water inlet connecting pipe 21 are correspondingly connected in parallel, one end of the water inlet pipe 41 is communicated with the water tank 416, and the other end of the water inlet pipe 41 can be connected with the water inlet connecting pipe 21. The water outlet pipe 42 is correspondingly arranged with the water outlet connecting pipe 22, one end of the water outlet pipe 42 can be connected with the water outlet connecting pipe 22, and the other end is communicated with the water tank 416; the water inlet pipe 41 and the water outlet pipe 42 are both in a structure that a section of hose is connected in series in a pipeline, so that the fourth driving mechanism 43 drives and changes the lengths of the water inlet pipe 41 and the water outlet pipe 42 so as to be communicated with or separated from the water inlet connecting pipe 21 or the water outlet connecting pipe 22. The fourth driving mechanism 43 is a cylinder. A position sensor (not shown) and a plurality of cameras 9 corresponding to the pairs of water meters 10 are arranged in the verification area 13.
The verification part is transported into the verification area 13, when the position sensor in the verification area 13 senses the verification part, a signal is transmitted to the control system, the main conveyor belt 1 in the verification area 13 stops working, the feeding area 11 and the main conveyor belt 1 in the assembly area 12 are started, the water inlet pipe 41 in the verification area 13 is aligned with the water inlet connecting pipe 21 at the moment, the fourth driving mechanism 43 is started, the water inlet pipe 41 is communicated with the water inlet connecting pipe 21, the water outlet pipe 42 is communicated with the water outlet connecting pipe 22, and the camera is positioned above the water meter 10 at the moment, so that a verification loop is formed.
Referring to fig. 5, a second switch 411, a liquid level sensor 412, a booster pump 413, and a pressure sensor 414 are sequentially provided on each water inlet pipe 41 in a direction away from the water inlet connection pipe 21. The second switch 411 is a solenoid valve, the water inlet pipe 41 is also communicated with an exhaust pipe 415, the exhaust pipe 415 is positioned between the liquid level sensor 412 on the water inlet pipe 41 and the booster pump 413, and the solenoid valve is arranged on the exhaust pipe 415. When the detecting member detects pressure in the detecting area 13, the second switch 411 on the water inlet pipe 41 is closed, the booster pump 413 is opened, if the liquid level sensor 412 cannot sense water flow, the air in the water inlet pipe 41 is indicated to be air, the electromagnetic valve on the exhaust pipe 415 is opened, gas in the water inlet pipe 41 is discharged from the exhaust pipe 415, when the liquid level sensor 412 senses water flow, the electromagnetic valve on the exhaust pipe 415 is closed, the pressure sensor 414 is gradually pressurized until the pressure reaches a set value, the second switch 411 on the water inlet pipe 41 is opened, water is put into the water meter 10 and kept for a set time, pressure resistance detection is carried out, the detection result is fed back to the control system, and the control system controls the second switch 411 and the electric appliance element on the water inlet pipe 41 where the unqualified water meter 10 is located according to the detection result to be closed.
Referring to fig. 5, in a direction away from the water outlet connection pipe 22, an instantaneous flow indicator 4211 and a diverter 4212 are sequentially arranged on the water outlet pipe 42, and a measurement standard 4213 is communicated with the diverter 4212. The measuring standard 4213 is a working gauge and a weighing system, and the working gauge is connected with the reverser 4212. After the pressure-resistant detection is completed, the flow detection is performed, the booster pump 413 is started until the instantaneous flowmeter detects that the flow value reaches the detection point, the reverser 4212 is started, the water flow is led into the working volume, after the set flow flows, the reverser 4212 leads the water flow into the water outlet pipe 42, and the water quantity is read out according to the photo of the pointer change of the water meter 10 taken by the camera 9 and compared with the water quantity read out by the working volume.
Referring to fig. 6 to 7, the water outlet pipe 42 includes a connection ring 422 and a connection pipe 421, the connection ring 422 is disposed in the connection pipe 421, a hose is disposed on the connection pipe 421, the connection ring 422 is in sealing connection with the water outlet connection pipe 22, the connection section of the connection pipe 421 and the connection ring 422 is square pipes, a sealing plate 4214 is disposed in the connection pipe 421, the sealing plate 4214 is hinged to the top surface of the inner wall of the connection pipe 421, and when no external force acts, the sealing plate 4214 is in a vertical state and fills the inner cavity of the whole connection pipe 421. When the detection is not performed, the sealing plate 4214 is in a vertical state under the action of gravity, the inner cavity of the connecting pipe 421 is blocked, air is reduced, when the water outlet connecting pipe 22 is inserted, the sealing plate 4214 is upwards rotated to be attached to the inner wall of the connecting pipe 421 under the pushing of the water outlet connecting pipe 22, water supply flow smoothly passes through, detection is performed, and the water enters the water pumping area 14 after the detection is completed.
Referring to fig. 8, a pumping mechanism 5 is disposed within pumping zone 14. The water pumping mechanism 5 comprises a water pumping pump 51, a water pumping connecting pipe 52 connected with the water pumping pump 51 and a fifth driving mechanism 53 in driving connection with the water pumping connecting pipe 52. The air extraction connecting pipe 32 comprises a main water extraction pipe 521 and a plurality of branch water extraction pipes 522, the quantity of the branch water extraction pipes 522 is consistent with that of the branch water extraction connecting pipes 22, the main water extraction pipe 521 is a hose, one end of the branch water extraction pipe 522 is communicated with the main water extraction pipe 521, the other end of the branch water extraction pipe 522 can be communicated with the water inlet connecting pipe 21 or the water outlet connecting pipe 22, and the fifth driving mechanism 53 is an air cylinder; a position sensor is also provided in the water extraction zone 14.
The verification part is transported into the water pumping area 14, when the position sensor in the water pumping area 14 senses the verification part, a signal is transmitted to the control system, the main conveyor belt 1 in the water pumping area 14 stops working, at the moment, the water pumping branch pipe 522 in the water pumping area 14 is aligned with the water inlet connecting pipe 21, the fifth driving mechanism 53 is started, the water pumping main pipe 521 is communicated with the water inlet connecting pipe 21, water pumping is carried out, and the water enters the sorting area 15 after water pumping.
Referring to fig. 8 to 9, a splitting mechanism 6 and a rejecting mechanism 7 are disposed in the sorting area 15. The reject mechanism 7 is downstream of the splitting mechanism 6. The splitting mechanism 6 includes a plugboard 61 and a sixth driving mechanism 62 in driving connection with the plugboard 61, the sixth driving mechanism 62 is an air cylinder, the plugboard 61 is fixedly connected to a piston rod of the sixth driving mechanism 62, a plugboard 2111 is formed on the connecting board 211, the plugboard 2111 penetrates the connecting board 211 along the movement direction of the main conveyor belt 1, the plugboard 2111 is a T-shaped slot, and the plugboard 61 can be inserted into the plugboard 2111. The rejecting mechanism 7 includes a defective product conveyor belt 71 provided on one side of the main conveyor belt 1, and a seventh driving mechanism 72 that drives the water meter 10 to move onto the defective product conveyor belt 71, the seventh driving mechanism 72 being a cylinder, and a code scanner 123 being provided upstream of the seventh driving mechanism 72.
The detected verification piece moves into the sorting area 15, along with the movement of the verification piece, the plug board 61 is inserted into the plug-in groove 2111, the sixth driving mechanism 62 is started, the water outlet connecting pipe 22 is separated from the water outlet pipe 42, the water meter 10 is separated from the water inlet pipe 41, the water meter 10 continues to move on the main conveyor belt 1, when the water meter moves to the code scanner 123 in the sorting area 15, the code scanner 123 scans the code and recognizes, the water meter 10 continues to move to the seventh driving mechanism 7, if the water meter 10 is failed, the seventh driving mechanism 7 starts to push the water meter 10 onto the defective product conveyor belt 71, the qualified water meter 10 continues to move to the qualified product storage area, and the failed water meter 10 on the defective product conveyor belt 71 moves to the defective product storage area.
Referring to fig. 8-9, the main conveyor 1 is provided with an assembly mechanism conveyor 8 on both sides. The assembly mechanism conveyor belt 8 is opposite to the conveying path of the main conveyor belt 1, the assembly mechanism conveyor belt 8 extends to the second driving mechanism 23 from the splitting mechanism 6, the assembly mechanism conveyor belt 8 is fixedly connected with a magnet 81 which can be in adsorption fit with the connecting plate 211, and a position sensor is arranged in the assembly area 12. Under the action of the sixth driving mechanism 62, the connection plate 211 moves onto the assembly mechanism conveyor belt 8, the connection plate 211 is adsorbed by the magnet 81, so that the connection plate 211 is stably erected on the assembly mechanism conveyor belt 8, then along with the movement of the assembly mechanism conveyor belt 8, the plug board 61 is separated from the plug slot 2111, the connection plate 211 moves into the assembly area 12 along with the assembly mechanism conveyor belt 8, and when a position sensor in the assembly area 12 senses a signal, the assembly mechanism conveyor belt 8 stops running, so that the assembly mechanism 2 is assembled next time in the assembly area 12.
The implementation principle of the embodiment of the application is as follows: the water meter 10 is placed in the feeding area 11 of the main conveyor belt 1, the water meter 10 moves into the assembling area 12, the first driving mechanism 121 performs correction on the water meter 10 and position adjustment between two adjacent water meters 10 in the moving process, then the counter 122 records the number of the water meters 10, the code scanner 123 scans the number information of the water meters 10, when the count of the counter 122 reaches the set number, the control system controls the piston rod of the first driving mechanism 121 to be in an extending state, and the main conveyor belt 1 in the feeding area 11 stops moving; when the position sensor in the assembly area 12 senses the water meter 10, the control system controls the transmission belt in the assembly area 12 to stop moving, and at the moment, the second driving mechanism 23 is started, so that the water inlet connecting pipe 21 and the water outlet connecting pipe 22 are respectively connected with the two ends of the water meter 10 to form a verification piece; then, the third driving mechanism 33 is started to connect the air extraction branch pipe 322 with the water inlet connecting pipe 21, at this time, the first switch 212 on the water outlet connecting pipe 22 is in a closed state, the first switch 212 on the water inlet connecting pipe 21 is in an open state, the vacuum pump 31 is started to suck the air in the verification piece, and after the suction is completed, the first switch 212 is closed. The assay component is then transported to the assay region 13 for assay.
When the position sensor in the verification area 13 senses a verification piece, the control system controls the main conveyor belt 1 in the verification area 13 to stop working, the feeding area 11 and the main conveyor belt 1 in the assembly area 12 are started, the fourth driving mechanism 43 is started, the water inlet pipe 41 is communicated with the water inlet connecting pipe 21, the water outlet pipe 42 is communicated with the water outlet connecting pipe 22, and the camera is positioned above the water meter 10 to form a verification loop; closing a second switch 411 on the water inlet pipe 41, starting a booster pump 413, gradually pressurizing until the pressure sensor 414 detects that the pressure reaches a set value, opening the second switch 411 on the water inlet pipe 41, putting water into the water meter 10, maintaining for a set time, performing pressure resistance detection, and if the pressure resistance detection is defective, controlling the second switch 411 and an electric element on the water inlet pipe 41 where the defective water meter 10 is located by a control system to be closed; the booster pump 413 is started until the instantaneous flowmeter detects that the flow value reaches the detection point, the reverser 4212 is started, the water flow is led into the working volume, after the set flow flows, the reverser 4212 leads the water flow into the water outlet pipe 42, and the flow verification is completed by reading out the water quantity and comparing the water quantity read out by the working volume according to the photo of the pointer change of the water meter 10 taken by the camera 9.
After the flow verification is finished, the verification part enters the water pumping area 14, when a position sensor in the water pumping area 14 senses the verification part, the control system controls the main conveyor belt 1 in the water pumping area 14 to stop working, and the fifth driving mechanism 53 is started, so that the water pumping main pipe 521 is communicated with the water inlet connecting pipe 21 to pump water, and the water enters the sorting area 15 after the water is pumped.
In the sorting area 15, along with the movement of the verification piece, the plug board 61 is inserted into the plug slot 2111, the sixth driving mechanism 62 is started to separate the water outlet connecting pipe 22 from the water outlet pipe 42, the water inlet connecting pipe 21 is separated from the water inlet pipe 41, the connecting plate 211 is moved onto the assembly mechanism conveyor belt 8 and transported into the assembly area 12, and when the position sensor in the assembly area 12 senses a signal, the assembly mechanism conveyor belt 8 stops running, so that the assembly mechanism 2 is assembled next time in the assembly area 12; when the water meter 10 moves to the code scanner 123 in the sorting area 15, the code scanner 123 scans the code to identify, the water meter 10 moves to the seventh driving mechanism 72, if the water meter 10 is unqualified, the seventh driving mechanism 72 starts to push the water meter 10 to the defective product conveyor belt 71, the qualified water meter 10 moves to the qualified product storage area, and the defective water meter 10 on the defective product conveyor belt 71 moves to the defective product storage area.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (9)
1. An automatic verification system for a water meter, comprising
A main conveyor belt (1), wherein an assembly area (12) and a verification area (13) are sequentially arranged on the main conveyor belt (1) along the conveying direction of the main conveyor belt (1);
the verification area (13) is internally provided with a verification mechanism (4), and the verification mechanism (4) is provided with a water inlet pipe (41) for detecting water flow input, a water outlet pipe (42) for detecting water flow outflow and a fourth driving mechanism (43) which is respectively in driving connection with the water inlet pipe (41) and the water outlet pipe (42);
an assembling mechanism (2) and a vacuumizing mechanism (3) are arranged in the assembling area (12);
the assembly mechanism (2) comprises a water inlet connecting pipe (21) and a water outlet connecting pipe (22), and a second driving mechanism (23) which is respectively in driving connection with the water inlet connecting pipe (21) and the water outlet connecting pipe (22); driven by a corresponding second driving mechanism (23), the water inlet connecting pipe (21) and the water outlet connecting pipe (22) are respectively connected with two ends of the water meter (10) to form a verification piece;
the verification part is transported into the verification area (13) under the action of the main conveyor belt (1), driven by the fourth driving mechanism (43), the water inlet pipe (41) is connected with the water inlet connecting pipe (21), and the water outlet pipe (42) is connected with the water outlet connecting pipe (22);
the vacuum pumping mechanism (3) comprises a vacuum pump (31), an air suction connecting pipe (32) connected with the vacuum pump (31) and a third driving mechanism (33) in driving connection with the air suction connecting pipe (32), wherein the air suction connecting pipe (32) can be communicated with one end of the verification piece, and a first switch (212) is respectively arranged on the water inlet connecting pipe (21) and the water outlet connecting pipe (22); the position of the water inlet pipe (41) close to the water inlet connecting pipe (21) is also provided with a second switch (411).
2. The automatic verification system for water meters according to claim 1, wherein the water inlet pipe (41) is further provided with a liquid level sensor (412) and an exhaust pipe (415), the liquid level sensor (412) is arranged between the second switch (411) and the exhaust pipe (415), and the exhaust pipe (415) is provided with an electromagnetic valve.
3. The automatic verification system of a water meter according to claim 1, wherein the water inlet connecting pipes (21) are arranged in parallel with a plurality of groups, and the water outlet connecting pipes (22) are arranged in parallel with a plurality of groups;
the air extraction connecting pipe (32) comprises an air extraction main pipe (321) and a plurality of air extraction branch pipes (322), wherein the air extraction main pipe (321) is connected with the vacuum pump (31), one end of each air extraction branch pipe (322) is connected with the air extraction main pipe (321), and the other end is correspondingly connected with the water inlet connecting pipe (21) or the water outlet connecting pipe (22).
4. A water meter automatic verification system according to claim 3, wherein a plurality of water inlet pipes (41) and water inlet connecting pipes (21) are arranged correspondingly, a plurality of water outlet pipes (42) and water outlet connecting pipes (22) are arranged correspondingly, a booster pump (413) and a pressure sensor (414) are arranged on each water inlet pipe (41), an instantaneous flow indicator (4211) and a commutator (4212) are arranged on each water outlet branch pipe, and a measurement standard device (4213) is arranged on each commutator (4212).
5. The automatic verification system for water meters according to claim 1, wherein the water outlet pipe (42) comprises a connecting ring (422) and a connecting pipe (421), the connecting ring (422) is arranged in the connecting pipe (421), the connecting ring (422) is in sealing connection with the water outlet connecting pipe (22), the connecting pipe (421) is a square pipe, a sealing plate (4214) is arranged in the connecting pipe (421), the sealing plate (4214) is hinged with the top surface of the inner wall of the connecting pipe (421), and the sealing plate (4214) controls the unblocking and blocking of the connecting pipe (421) along with the insertion and extraction of the water outlet connecting pipe (22).
6. A water meter automatic verification system according to claim 3, wherein the main conveyor belt (1) is further provided with a sorting zone (15), the sorting zone (15) being arranged downstream of the verification zone (13); a splitting mechanism (6) and a removing mechanism (7) are arranged in the sorting area (15), and the removing mechanism (7) is arranged at the downstream of the splitting mechanism (6);
the splitting mechanism (6) comprises a plugboard (61) and a sixth driving mechanism (62) which is in driving connection with the plugboard (61), wherein a water inlet connecting pipe (21) and a water outlet connecting pipe (22) which are connected in parallel are connected through a connecting plate (211), a plug-in groove (2111) is formed in the connecting plate (211), the plug-in groove (2111) penetrates through the connecting plate (211) along the movement direction of the main conveyor belt (1), the plug-in groove (2111) is a T-shaped groove, and the plugboard (61) can be inserted into the plug-in groove (2111);
the rejecting mechanism (7) comprises a defective product conveyor belt (71) arranged on one side of the main conveyor belt (1), and a seventh driving mechanism (72) for driving the water meter (10) to move onto the defective product conveyor belt (71).
7. The automatic verification system for water meters according to claim 6, further comprising two assembling mechanism conveyor belts (8) arranged on two sides of the main conveyor belt (1), wherein the assembling mechanism conveyor belts (8) extend from the sorting area (15) to the assembling area (12), and magnets (81) capable of being in adsorption fit with the connecting plates (211) are fixedly connected to the assembling mechanism conveyor belts (8).
8. The automatic verification system of a water meter according to claim 6, wherein a water pumping area (14) is further arranged on the main conveyor belt (1), the water pumping area (14) is arranged between the sorting area (15) and the verification area (13), and a water pumping mechanism (5) is arranged in the water pumping area (14);
the water pumping mechanism (5) comprises a water pumping pump (51), a water pumping connecting pipe (52) connected with the water pumping pump (51) and a fifth driving mechanism (53) in driving connection with the water pumping connecting pipe (52), and the water pumping connecting pipe (52) can be communicated with one end of the verification piece.
9. The automatic verification system for water meters according to claim 2, wherein the main conveyor belt (1) is further provided with a feeding area (11), the feeding area (11) is arranged at the upstream of the assembly area (12), and a counting mechanism is arranged in the feeding area (11);
the counting mechanism comprises a counter (122), a code scanner (123), an adjusting rod and a first driving mechanism (121) in driving connection with the adjusting rod, wherein the adjusting rod can move to the upper side of the main conveyor belt (1) to block the water meter (10) from advancing under the driving of the first driving mechanism (121).
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Cited By (1)
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| CN116698164A (en) * | 2023-08-08 | 2023-09-05 | 河北丰源智控科技股份有限公司 | Thing networking water gauge calibrating installation |
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