CN116499559A - Water meter error detection device refitting method - Google Patents
Water meter error detection device refitting method Download PDFInfo
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- CN116499559A CN116499559A CN202310486991.8A CN202310486991A CN116499559A CN 116499559 A CN116499559 A CN 116499559A CN 202310486991 A CN202310486991 A CN 202310486991A CN 116499559 A CN116499559 A CN 116499559A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 245
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 230000001360 synchronised effect Effects 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 31
- 238000009420 retrofitting Methods 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 8
- 238000007667 floating Methods 0.000 claims description 6
- 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 claims description 3
- 238000004891 communication Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 5
- 238000002715 modification method Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process 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
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- 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
- G01F25/17—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters using calibrated reservoirs
-
- 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 provides a method for refitting a water meter error detection device, which belongs to the technical field of water meter detection devices and comprises the following steps: selecting n secondary water pumps and n+1 frequency converters; the number of the original measured water meters connected in series at the output port of the raw water pump is adjusted to be m; the output ports of the secondary water pumps are connected in series and connected with m new water meters to be measured, 1 secondary water pump is connected in series with m new water meters to be measured to form a group of additional groups, and one or more groups of additional groups are connected in series between the output port of the original water meter to be measured at the tail end and the input port of the standard device; n+1 frequency converters are electrically connected with n secondary water pumps and 1 raw water pump in a matched mode, each secondary water pump and the raw water pump are electrically connected with a single frequency converter, all the frequency converters are electrically connected with a main controller, and the frequency converters are uniformly controlled by the main controller and used for achieving synchronous operation of the raw water pump and the n secondary water pumps; the invention can increase the number of the serially connected water meters and improve the detection efficiency.
Description
Technical Field
The invention belongs to the technical field of water meter detection devices, and particularly relates to a method for refitting a water meter error detection device.
Background
The water meter is one of metering instruments with wide application range and various specifications in the field of flow measurement, and plays an extremely important role in the aspects of water supply and drainage flow calculation, water charge trade settlement, energy measurement, industrial and agricultural water process control and the like.
Before the water meter leaves the factory, the water meter must be checked for accurate readings. The verification is to compare the volume of water flowing through the water meter in a period of time with the volume of water collected in a standard (measuring cylinder or scale) according to the flow continuity principle in fluid mechanics, so as to calculate the error of the water meter. Whereas the prior art device for calibrating the water meter consists of a water storage tank; a water pump; the water meter consists of a plurality of water meters to be tested and a standard device which are connected in series. Because the number of the serially connected water meters cannot be too large due to the limitation of the pressure level of the water meters, otherwise, the water meters are inaccurate or damaged due to the fact that the pressure of the serially connected water meters is too high, which is a main reason for limiting the number of the serially connected water meters; therefore, the number of the serially connected water meters is limited in the conventional water meter measurement, and the excessive water meters cannot be detected at the same time, so that the problem of insufficient detection efficiency is caused.
Disclosure of Invention
In view of this, the method for refitting the water meter error detection device provided by the invention can solve the problem that the detection efficiency is not high enough due to the limitation of the number of serially connected water meters during water meter measurement by refitting the original water meter error detection device.
The invention is realized in the following way:
the invention provides a method for refitting a water meter error detection device, wherein the water meter error detection device comprises a water storage tank, a raw water pump and a standard device; the output port of the water storage tank is communicated with the input port of the raw water pump, the output port of the raw water pump is sequentially connected in series and communicated with a plurality of raw water meters to be measured through a pipeline, and the output port of the original water meter to be measured at the tail end is communicated with the input port of the standard device;
wherein the retrofitting method comprises:
selecting n secondary water pumps and n+1 frequency converters; wherein n is an integer and n > 1;
the number of the original measured water meters connected in series with the output port of the raw water pump is adjusted to be m; m is an integer and is more than 1, m new measured water meters are connected in series and communicated with the output port of each secondary water pump, 1 secondary water pump is connected in series with m new measured water meters to form a group of additional groups, and one or more groups of additional groups are connected in series between the output port of the original measured water meter at the tail end and the input port of the standard device;
n+1 frequency converters are electrically connected with n secondary water pumps and 1 raw water pump in a matched mode, each secondary water pump and the raw water pump are electrically connected with an independent frequency converter, all the frequency converters are electrically connected with a main controller, and the frequency converters are uniformly controlled by the main controller and used for achieving synchronous operation of the raw water pump and the n secondary water pumps.
The frequency converter is matched with the raw water pump and the secondary water pump, the raw water pump and the secondary water pump are controlled through the frequency converter, the control is more accurate, the frequency converter is electrically connected with the frequency converter through the main controller, the main controller uniformly regulates and controls the frequency converter, the frequency converter and the main controller are started and stopped simultaneously, the frequency converter and the main controller can synchronously operate, when the frequency converter and the main controller can synchronously operate, liquid in a pipeline is supplied with energy simultaneously, the liquid in the pipeline is driven simultaneously, the liquid in the pipeline can still move simultaneously when the pipeline is prolonged, and the measured water meter can still be measured under the condition that the pipeline is prolonged.
On the basis of the technical scheme, the refitting method of the water meter error detection device can be further improved as follows:
wherein, in the step of selecting n secondary water pumps and n+1 frequency converters; the standard of the secondary water pump and the frequency converter is:
the structure, flow, lift and other technical data of the n secondary water pumps are identical, and the carrier frequency and other technical data of the n+1 frequency converters are identical.
The same technical data are adopted, when the raw water pump, the secondary water pump and the frequency converter are uniformly regulated and controlled, the speed of the output signals of the frequency converter is the same, the starting time of the raw water pump is the same as that of the secondary water pump, the liquid power generated by the raw water pump is the same as that generated by the secondary water pump, and when the main controller is uniformly started, the raw water pump and each secondary water pump are synchronously started, and the energy supply to the liquid in the pipeline is the same.
Further, the technical data requirements of the n selected secondary water pumps are as follows: the flow of the secondary water pump meets the maximum flow requirement of the measured water meter, the liquid pressure generated by the lift of the water pump does not exceed the allowable pressure during the detection of the measured water meter, and the lift refers to: the pump applies work to the liquid per unit weight.
The measured water meter is guaranteed not to be damaged, and meanwhile, the requirement of measurement can be met: the liquid flow in the measured water meter is the maximum flow of the measured water meter.
Further, the number of the original measured water meters connected in series with the output port of the raw water pump is adjusted to be m; wherein m is an integer and m is more than 1, and the number m of the measured water meters in the step of connecting m new measured water meters in series through each secondary water pump output port is as follows:
the mth measured water meter connected in series at the input port of the secondary water pump should be capable of meeting the maximum flow requirement.
Furthermore, the step of connecting the secondary water pumps in series with m water meters to be measured is characterized in that the secondary water pumps are used as a group of additional groups, one or more groups of additional groups are connected in series between the output port of the original water meter to be measured at the tail end and the input port of the standard device, all the components are connected in series, and the sealing performance of the connecting part is required to ensure that no air enters during use.
By adopting the sealing requirement, the detection effect is not affected by air when the measured water meter error is actually measured; and the detection precision is ensured.
Furthermore, the sealing performance requirement of the joint should ensure that no air enters the joint when in use, and the judging mode is as follows: when the secondary water pump is started, liquid in the pipeline circulates, a towel soaked with oil is wound at the joint, after a period of time, the liquid in the standard device is observed, the sealing effect is considered to be met when the liquid level in the standard device is free of floating oil or oil film, and the sealing effect is considered to be unsatisfied when the floating oil or oil film exists in the liquid level in the standard device.
Further, the refitting method further comprises the steps of fixing n multiplied by m new water meters to be tested and pipelines connected in series into a pipeline by adopting a steel frame;
wherein, the fixed mode is: and reinforcing ribs are arranged on two sides of the new water meter to be measured, two ends of each reinforcing rib are fixedly connected with the steel rack, then a plurality of clamps are used for clamping pipelines connected with the new water meter to be measured, and two ends of each clamp are fixedly connected with the reinforcing ribs.
Further, the retrofitting method further comprises: the method comprises the steps of adopting n multiplied by m photoelectric sensors and a plurality of sliding grooves, arranging n multiplied by m sliding blocks in the sliding grooves, arranging the sliding grooves above a new measured water meter connected in series into a pipeline, enabling the sliding grooves to be parallel to the pipeline connected with the new measured water meter, fixedly connecting two ends of the sliding grooves with a steel frame, arranging the sliding blocks in the sliding grooves, enabling each sliding block to be positioned above the new measured water meter, and fixedly connecting the n multiplied by m photoelectric sensors and the n multiplied by m sliding blocks in a one-to-one correspondence manner.
Further, the retrofitting method further comprises: the n multiplied by m photoelectric sensors are electrically connected with the main controller, the photoelectric sensors positioned on the same chute are uniformly divided into a row on the main controller, and the photoelectric sensors are numbered according to the sequence of the photoelectric sensors on the chute.
Further, the retrofitting method further comprises: and each input port of the secondary water pump is connected with a pulse damper in series connection, and the pulse damper is used for eliminating pressure pulses of liquid flowing to the input port of the secondary water pump.
The pulse damper is arranged for eliminating the liquid pressure generated by the pump body of the upper stage, so that the liquid pressure from the upper stage is prevented from being overlapped with the liquid pressure applied by the pump body of the lower stage, and the output pressure of the pump body of the lower stage is gradually increased, so that the liquid pressure is higher than the rated pressure of the secondary water pump; damage secondary water pump, influence and detect, can also eliminate pipeline vibrations simultaneously, improve detection effect.
Compared with the prior art, the water meter error detection device refitting method has the beneficial effects that: by adding a water pump between the water meters in series, the number of water meters in series is increased without increasing the bearing pressure of the water meters. The water meter detection efficiency is improved, the water meter production cost is reduced, the large-batch water meter detection can be more conveniently realized by adopting an automatic or artificial intelligence technology, the quality is ensured, and the labor cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments of the present invention will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a water meter error detection device prior to retrofitting;
FIG. 2 is a schematic diagram of a modified water meter error detection device;
FIG. 3 is a schematic diagram of an electrical connection of a method of retrofitting a water meter error detection device;
FIG. 4 is a diagram of the water meter error detection device after retrofitting;
FIG. 5 is a schematic diagram of the pipeline connection after the water meter error detection device is retrofitted;
in the drawings, the list of components represented by the various numbers is as follows:
1. a water storage tank; 2. a raw water pump; 3. a etalon; 4. a secondary water pump; 5. a frequency converter; 6. a main controller; 7. and a measured water meter.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
1-2, which are schematic diagrams before and after modification of a method for modifying a water meter error detection device;
the water meter error detection device comprises a water storage tank 1, a raw water pump 2 and a standard device 3; the output port of the water storage tank 1 is communicated with the input port of the raw water pump 2, the output port of the raw water pump 2 is sequentially connected in series and communicated with a plurality of original measured water meters 7 through pipelines, and the output port of the original measured water meter 7 at the tail end is communicated with the input port of the standard device 3;
wherein the retrofitting method comprises:
n secondary water pumps 4 and n+1 frequency converters 5 are selected; wherein n is an integer and n > 1;
the number of the original measured water meters 7 connected in series with the output ports of the raw water pump 2 is adjusted to be m; wherein m is an integer and is more than 1, m new measured water meters 7 are connected in series and communicated with the output port of each secondary water pump 4, 1 secondary water pump 4 is connected in series with m new measured water meters 7 to form a group of additional groups, and one or more groups of additional groups are connected in series between the output port of the original measured water meter 7 at the tail end and the input port of the standard device 3;
as shown in fig. 3, n+1 frequency converters 5 are electrically connected with n secondary water pumps 4 and 1 raw water pump 2 in a matching way, so that each secondary water pump 4 and the raw water pump 2 are electrically connected with a single frequency converter 5, all the frequency converters 5 are electrically connected with a main controller 6, and the frequency converters are uniformly controlled by the main controller 6 to realize synchronous operation of the raw water pump 2 and the n secondary water pumps 4.
In the technical scheme, n secondary water pumps 4 and n+1 frequency converters 5 are selected; the standards of the selected secondary water pump 4 and the frequency converter 5 are as follows:
the structure, flow, lift and other technical data of the n secondary water pumps 4 and the frequency converters 5 are identical, and the carrier frequency and other technical data of the n+1 frequency converters 5 are identical.
Further, in the above technical solution, the technical data requirements of the n secondary water pumps 4 selected are: the flow of the secondary water pump 4 should meet the maximum flow requirement of the measured water meter 7, the liquid pressure generated by the pump lift of the water pump should not exceed the allowable pressure when the measured water meter 7 detects, and the pump lift refers to: the pump applies work to the liquid per unit weight.
Furthermore, in the above technical solution, the number of the original measured water meters 7 connected in series with the output port of the raw water pump 2 is adjusted to be m; wherein m is an integer and m is more than 1, and the number m of the measured water meters 7 in the step of connecting m new measured water meters 7 in series through the output port of each secondary water pump 4 is as follows:
the mth measured water meter 7 connected in series at the input of the secondary water pump 4 should be able to meet the maximum flow requirement.
Furthermore, in the above technical scheme, m measured water meters 7 are connected in series with 1 secondary water pump 4 to form a group of additional groups, one or more groups of additional groups are connected in series between the output port of the original measured water meter 7 at the end and the input port of the standard device 3, all the components are connected in series, and the sealing performance of the connection part is required to ensure that no air enters during use.
Furthermore, in the above technical solution, the judging mode that no air enters when the joint is required to be guaranteed due to the sealing performance requirement of the joint is as follows: when the secondary water pump 4 is started, liquid in the pipeline circulates, a towel soaked with oil is wound at the joint, after a period of time, the liquid in the standard device 3 is observed, the sealing effect is considered to meet the requirement when the liquid level in the standard device 3 is free of floating oil or oil film, and the sealing effect is considered to be unsatisfied when the floating oil or oil film exists in the liquid level in the standard device 3.
Furthermore, in the technical scheme, the refitting method further comprises the steps of fixing the n multiplied by m new measured water meters 7 and the pipelines which are connected in series into the pipeline by adopting a steel frame;
wherein, the fixed mode is: reinforcing ribs are arranged on two sides of the new measured water meter 7, two ends of each reinforcing rib are fixedly connected with the steel frame, then a plurality of clamps are used for clamping a pipeline connected with the new measured water meter 7, and two ends of each clamp are fixedly connected with the reinforcing ribs.
Further, in the above technical solution, the modification method further includes: the method comprises the steps of adopting n multiplied by m photoelectric sensors and a plurality of sliding grooves, arranging n multiplied by m sliding blocks in the sliding grooves, arranging the sliding grooves above a new measured water meter 7 connected in series into a pipeline, enabling the sliding grooves to be parallel to the pipeline connected with the new measured water meter 7, fixedly connecting two ends of the sliding grooves with a steel frame, arranging the sliding blocks in the sliding grooves, enabling each sliding block to be positioned above the new measured water meter 7, and fixedly connecting the n multiplied by m photoelectric sensors and the n multiplied by m sliding blocks in a one-to-one correspondence manner.
Further, in the above technical solution, the modification method further includes: the n multiplied by m photoelectric sensors are electrically connected with the main controller, the photoelectric sensors positioned on the same chute are uniformly divided into a row on the main controller, and the photoelectric sensors are numbered according to the sequence of the photoelectric sensors on the chute.
Further, in the above technical solution, the modification method further includes: and the input port of each secondary water pump 4 is connected in series and communicated with a pulse damper, and the pulse damper is used for eliminating pressure pulses of liquid flowing to the input port of the secondary water pump 4.
Fig. 4-5 are real object diagrams of the water meter error detecting device after being modified according to the method.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (10)
1. The method for refitting the water meter error detection device comprises a water storage tank (1), a raw water pump (2) and a etalon (3); the output port of the water storage tank (1) is communicated with the input port of the raw water pump (2), the output port of the raw water pump (2) is sequentially connected with a plurality of original measured water meters (7) in series communication through a pipeline, and the output port of the original measured water meter (7) at the tail end is communicated with the input port of the standard device (3);
the method is characterized in that the refitting method comprises the following steps:
n secondary water pumps (4) and n+1 frequency converters (5) are selected; wherein n is an integer and n > 1;
the number of the original measured water meters (7) connected in series with the output ports of the raw water pump (2) is adjusted to be m; m is an integer and is more than 1, m new measured water meters (7) are connected in series and communicated with the output port of each secondary water pump (4), 1 secondary water pump (4) is connected in series with m new measured water meters (7) to form a group of additional groups, and one or more groups of additional groups are connected in series between the output port of the original measured water meter (7) at the tail end and the input port of the standard device (3);
n+1 frequency converters (5) are electrically connected with n secondary water pumps (4) and 1 raw water pump (2) in a matching way, so that each secondary water pump (4) is electrically connected with an independent frequency converter (5) with the raw water pump (2), all the frequency converters (5) are electrically connected with a main controller (6), and the synchronous operation of the raw water pump (2) and the n secondary water pumps (4) is realized through unified control of the main controller (6).
2. The method for retrofitting a water meter error detection device according to claim 1, wherein said selecting n secondary water pumps (4) and n+1 frequency converters (5) is performed; the standards of the secondary water pump (4) and the frequency converter (5) are as follows:
the structure, flow, lift and other technical data of the n secondary water pumps (4) are identical, and the carrier frequency and other technical data of the n+1 frequency converters (5) are identical.
3. The method for retrofitting a water meter error detection device according to claim 2, wherein the technical data requirements of the selected n secondary water pumps (4) are: the flow of the secondary water pump (4) meets the maximum flow requirement of the measured water meter (7), the liquid pressure generated by the lift of the water pump does not exceed the allowable pressure when the measured water meter (7) detects, and the lift refers to: the pump applies work to the liquid per unit weight.
4. A method for retrofitting a water meter error detection device according to claim 3, wherein said adjusting the number of said original measured water meters (7) connected in series to the output port of said raw water pump (2) adjusts the number thereof to m; wherein m is an integer and is more than 1, and the number m of the measured water meters (7) in the step of connecting m new measured water meters (7) in series connection with the output port of each secondary water pump (4) is as follows:
the mth measured water meter (7) connected in series at the input port of the secondary water pump (4) should be capable of meeting the maximum flow requirement.
5. The method for retrofitting a water meter error detection device according to claim 4, wherein the m water meters (7) to be tested are connected in series with 1 secondary water pump (4) as a set of additional sets, one or more sets of additional sets are connected in series between the output port of the original water meter (7) to be tested at the end and the input port of the standard device (3), each part is connected in series, and the sealing performance requirement of the connection part should ensure that no air enters during use.
6. The method for retrofitting a water meter error sensing device according to claim 5 wherein said joint sealing performance requirement is determined by: when the secondary water pump (4) is started, liquid in the pipeline circulates, a towel soaked with oil is wound at the joint, after a period of time, the liquid in the standard device (3) is observed, the sealing effect is considered to be met when the liquid level in the standard device (3) is free of floating oil or oil film, and the sealing effect is considered to be unsatisfied when the floating oil or oil film exists in the liquid level in the standard device (3).
7. The method for retrofitting a water meter error detection device according to claim 6, further comprising fixing n x m new water meters (7) to be tested and the pipes connected in series in the pipeline with a steel frame;
wherein, the fixed mode is: reinforcing ribs are arranged on two sides of the new measured water meter (7), two ends of each reinforcing rib are fixedly connected with the steel frame, then a plurality of clamps are used for clamping pipelines connected with the new measured water meter (7), and two ends of each clamp are fixedly connected with the reinforcing ribs.
8. The method of retrofitting a water meter error sensing device of claim 7 wherein said retrofitting method further comprises: an n multiplied by m photoelectric sensors and a plurality of sliding grooves are adopted, n multiplied by m sliding blocks are arranged in the sliding grooves, the sliding grooves are arranged above a new measured water meter (7) connected in series into a pipeline, the sliding grooves are parallel to the pipeline connected with the new measured water meter (7), two ends of the sliding grooves are fixedly connected with a steel frame, the sliding blocks are placed in the sliding grooves, each sliding block is positioned above the new measured water meter (7), and the n multiplied by m photoelectric sensors are fixedly connected with the n multiplied by m sliding blocks in a one-to-one correspondence mode.
9. The method of retrofitting a water meter error sensing device of claim 8, wherein said retrofitting method further comprises: the n multiplied by m photoelectric sensors are electrically connected with the main controller, the photoelectric sensors positioned on the same chute are uniformly divided into a row on the main controller, and the photoelectric sensors are numbered according to the sequence of the photoelectric sensors on the chute.
10. The method of retrofitting a water meter error sensing device of claim 9, wherein said retrofitting method further comprises: and a pulse damper is connected in series connection with the input port of each secondary water pump (4), and the pulse damper is used for eliminating pressure pulses of liquid flowing to the input port of the secondary water pump (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310486991.8A CN116499559A (en) | 2023-05-04 | 2023-05-04 | Water meter error detection device refitting method |
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| CN202310486991.8A CN116499559A (en) | 2023-05-04 | 2023-05-04 | Water meter error detection device refitting method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117455860A (en) * | 2023-10-26 | 2024-01-26 | 宁波市宇星水表有限公司 | Water meter delivery data monitoring management system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117455860A (en) * | 2023-10-26 | 2024-01-26 | 宁波市宇星水表有限公司 | Water meter delivery data monitoring management system |
| CN117455860B (en) * | 2023-10-26 | 2024-04-09 | 宁波市宇星水表有限公司 | Water meter delivery data monitoring management system |
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