CN114166319B - A water meter load detection device simulating a water meter use environment - Google Patents
A water meter load detection device simulating a water meter use environment Download PDFInfo
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- CN114166319B CN114166319B CN202111440039.1A CN202111440039A CN114166319B CN 114166319 B CN114166319 B CN 114166319B CN 202111440039 A CN202111440039 A CN 202111440039A CN 114166319 B CN114166319 B CN 114166319B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 152
- 238000001514 detection method Methods 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 238000010992 reflux Methods 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 22
- 230000002457 bidirectional effect Effects 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 13
- 238000007667 floating Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 6
- 238000011161 development Methods 0.000 description 3
- 238000012795 verification Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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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
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Abstract
本发明适用于水表领域，提供了一种模拟水表使用环境的水表负载检测装置，包括底座，底座上固定有安装架，底座上设置有转动板，并在转动板上设置有用于固定水表的抵接机构，抵接机构与水表连接并导通，且抵接机构与设置在安装架上的放液组件连接并导通；转动板的两端分别通过两个对称设置的二号连接杆与放液组件连接；抬升组件，抬升组件设置在底座上并与转动板的一端连接，且抬升组件通过一号皮带连接设置在安装架上的棘齿盘，棘齿盘上设置有转盘，转盘呈环形阶梯状，并在其上转动安装有与棘齿盘适配的棘齿，棘齿通过弹片与转盘弹性连接；回流组件，回流组件设置在安装架上，并与转盘连接，回流组件可驱使放液组件中的水回流，实现高效率检测。
The present invention is applicable to the field of water meters and provides a water meter load detection device that simulates the use environment of the water meter, including a base, a mounting frame is fixed on the base, a rotating plate is arranged on the base, and an abutment mechanism for fixing the water meter is arranged on the rotating plate, the abutment mechanism is connected and conducted with the water meter, and the abutment mechanism is connected and conducted with a discharge assembly arranged on the mounting frame; the two ends of the rotating plate are respectively connected to the discharge assembly through two symmetrically arranged No. 2 connecting rods; a lifting assembly, the lifting assembly is arranged on the base and connected to one end of the rotating plate, and the lifting assembly is connected to a ratchet disk arranged on the mounting frame through a No. 1 belt, a turntable is arranged on the ratchet disk, the turntable is in an annular stepped shape, and a ratchet adapted to the ratchet disk is rotatably installed thereon, and the ratchet is elastically connected to the turntable through a spring sheet; a reflux assembly, the reflux assembly is arranged on the mounting frame and connected to the turntable, the reflux assembly can drive the water in the discharge assembly to reflux, so as to realize high-efficiency detection.
Description
Technical Field
The invention belongs to the field of water meters, and particularly relates to a water meter load detection device for simulating a water meter use environment.
Background
The water meter is a meter for measuring water flow, is mainly used for measuring the accumulated flow of water, is generally divided into two types of volumetric water meters and speed water meters, and originates from the United kingdom, the development of the water meters has been about two hundred years old, when the specification of the water meters is selected, the size and the flow range of the flow used under normal conditions are estimated first, and then the water meter with the specification with the flow closest to the value is selected as the first choice.
Currently, water meters are widely used in various industries, and along with the rapid development of electronic information technology, electronic water meters gradually become the development direction of the water meter industry. Enterprises or metering departments producing water meters need to perform performance verification on the indication errors of the water meters according to verification rules formulated by related departments.
The collecting method is the most commonly used detecting method, which is to collect the water quantity flowing through the measured water meter into one or a plurality of containers, measure the water quantity of the containers by a static volume method or a static weighing method, the water flow is needed to be manually switched by the verification personnel for three times, the water level of the standard meter is read for four times by reading the indication number of the measured water meter, the water level of the standard meter is read for three times, the data are manually recorded, various errors are calculated and compared with the indication value of the water meter, and the indication value error of the water meter is determined. The operation of the calibrating device needs to be controlled in real time by the calibrating personnel in the whole calibrating process, the valve needs to be closed to wait for the stability of the liquid level in the standard metal gauge when various readings are read manually, and the stability of the start-stop stage, the interpretation error of the liquid level readings, the indication scale resolution of the detected water meter and the artificial reasons all influence the meter calibrating precision.
Disclosure of Invention
The invention provides a water meter load detection device for simulating the use environment of a water meter, and aims to solve the problem of human error in the water meter precision detection process.
The invention is realized in such a way that a water meter load detection device simulating the use environment of a water meter comprises:
the base is of a cuboid structure, a mounting frame is fixed at the upper part of the base, a rotatable rotating plate is arranged on the base, an abutting mechanism for fixing the water meter is arranged on the rotating plate, the abutting mechanism is connected and communicated with the water meter, and the abutting mechanism is connected and communicated with a liquid discharge assembly arranged on the mounting frame;
The two ends of the rotating plate are respectively connected with the liquid discharge assembly through two symmetrically arranged second connecting rods;
The lifting assembly is arranged on the base and connected with one end of the rotating plate, the lifting assembly is connected with a ratchet disc arranged on the mounting frame through a first belt, a rotary disc is arranged on the ratchet disc, the rotary disc is in an annular step shape, a pawl matched with the ratchet disc is rotatably arranged on the rotary disc, and the pawl is elastically connected with the rotary disc through a spring plate;
And the backflow component is arranged on the mounting frame and connected with the turntable, and can drive water in the liquid discharge component to flow back.
Further, the abutting mechanism comprises a first driving device fixedly installed on the rotating plate, a bidirectional driving assembly arranged on the rotating plate and connected with an output shaft of the first driving device, and two groups of elastic sealing assemblies connected with the bidirectional driving assembly and symmetrically arranged;
the elastic sealing component is connected with the liquid discharging component through a hose and is communicated with the liquid discharging component.
Further, the bidirectional driving assembly comprises a bidirectional screw rod rotatably mounted on the rotating plate and two first threaded sleeves symmetrically arranged on the bidirectional screw rod;
The rotating plate is provided with a through groove along the length direction of the rotating plate, a connecting piece penetrating through the through groove is fixedly arranged on the first threaded sleeve, and the connecting piece is connected with the elastic sealing assembly.
Further, the elastic sealing assembly comprises a connecting pipe, a rubber pad and a spring, wherein the connecting pipe is hollow in the interior and connected with the connecting piece, the rubber pad is sleeved on the connecting pipe, and the spring is sleeved on the connecting pipe;
The connecting pipe is provided with limiting rings which are abutted to the connecting piece on two sides of the connecting piece, one end of the spring is connected with the limiting rings, the other end of the spring is connected with the rubber pad, and the connecting pipe is provided with a protrusion used for limiting the rubber pad.
Further, the liquid discharging assembly comprises a water discharging tank and a water collecting tank which are movably connected with the mounting frame through a guide structure and are arranged at two ends of the base;
The water discharging tank and the water collecting tank are respectively connected with the two ends of the rotating plate through the second connecting rod, and are connected with the reflux assembly and simultaneously connected with the connecting pipe through the hose and communicated with the connecting pipe;
the water collecting tank is provided with a lifting detection rod, and a floating ball is fixedly arranged at the lower part of the detection rod.
Further, the guide structure comprises two groups of guide plates symmetrically and fixedly arranged on the mounting frame, a long groove arranged on the guide plates and a pulley arranged in the long groove in a sliding manner;
The pulleys are respectively arranged on the two sides of the water discharging tank and the water collecting tank, and two pulleys are arranged on the same sides of the water discharging tank and the water collecting tank along the vertical direction.
Further, the lifting assembly comprises a second driving device fixedly installed on the mounting frame, a unidirectional screw rod connected with an output shaft of the second driving device and rotatably installed between the mounting frame and the base, and a second threaded sleeve in threaded fit with the unidirectional screw rod;
the second threaded sleeve is connected with one end of the rotating plate through a first connecting rod.
Further, the reflux assembly comprises a water pump fixedly arranged on the mounting frame and a bevel gear set connected with the water pump through a second belt;
The water inlet of the water pump is arranged in the water collecting tank, and the water outlet of the water pump is arranged in the water discharging tank;
the bevel gear group comprises a first bevel gear which is connected with the water pump through a second belt and is rotatably installed on the installation frame, a second bevel gear which is meshed with the first bevel gear and is rotatably installed on the installation frame, and the second bevel gear is connected with the turntable.
Compared with the prior art, the invention has the beneficial effects that:
Because the existing water meter is manually visual data when detecting precision, the detected precision has certain error, the water meter is fixed by using the abutting mechanism, the rotating plate rotates at a certain angle under the action of the lifting component, the liquid level of the water discharging tank and the water receiving tank is changed, water in the water discharging tank flows through the water meter to the water receiving tank under the principle of a communicating vessel, after the water meter is stable, the water level in the water discharging tank is ensured to be kept at the same height with the liquid level of the water receiving tank under the initial state by directly reading the numerical value on the detecting rod and comparing the numerical value with the numerical value displayed on the water meter, meanwhile, in order to avoid the accidental occurrence of single measurement, the lifting component enables the rotating plate to recover to the level for the next test, and in the process of recovering the level of the lifting component, the water in the water receiving tank is returned to the water discharging tank by the backflow component.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic three-dimensional structure provided by the invention.
Fig. 2 is a schematic three-dimensional structure of another angle provided by the present invention.
Fig. 3 is a schematic structural view of an elastic sealing assembly provided by the present invention.
Fig. 4 is a partially disassembled view provided by the present invention.
Fig. 5 is a schematic structural view of a detection rod provided by the present invention.
Reference numerals:
The device comprises a base, a 2-mounting frame, a 3-rotating plate, a 4-first driving device, a 5-bidirectional screw rod, a 6-first threaded sleeve, a 7-connecting piece, an 8-connecting pipe, a 9-limiting circular ring, a 10-spring, an 11-rubber pad, a 12-bulge, a 13-second driving device, a 14-unidirectional screw rod, a 15-second threaded sleeve, a 16-first connecting rod, a 17-second connecting rod, a 18-water discharge tank, a 19-guide plate, a 20-pulley, a 21-water collecting tank, a 22-detecting rod, a 23-first belt, a 24-cone gear set, a 25-rotating disc, a 26-pawl, a 27-elastic piece, a 28-ratchet disc, a 29-second belt, a 30-water pump and a 31-floating ball.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In order to effectively explain the embodiments of the present application, the embodiments of the present application are explained in detail below with reference to the figures.
Referring to fig. 1-5, the present invention provides a water meter load detection device for simulating the use environment of a water meter, so as to solve the problem of human error in the water meter precision detection process.
The embodiment of the invention provides a water meter load detection device for simulating the use environment of a water meter, which comprises:
The water meter comprises a base 1, wherein the base 1 is of a cuboid structure, a mounting frame 2 is fixed at the upper part of the base 1, a rotatable rotating plate 3 is arranged on the base 1, an abutting mechanism for fixing the water meter is arranged on the rotating plate 3, the abutting mechanism is connected and communicated with the water meter, and the abutting mechanism is connected and communicated with a liquid discharging component arranged on the mounting frame 2;
The abutting mechanism comprises a first driving device 4 fixedly installed on the rotating plate 3, a bidirectional driving assembly arranged on the rotating plate 3 and connected with an output shaft of the first driving device 4, and two groups of elastic sealing assemblies which are connected with the bidirectional driving assembly and are symmetrically arranged;
the elastic sealing component is connected with the liquid discharging component through a hose and is communicated with the liquid discharging component;
the bidirectional driving assembly comprises a bidirectional screw rod 5 rotatably mounted on the rotating plate 3 and two first threaded sleeves 6 symmetrically arranged on the bidirectional screw rod 5;
the rotating plate 3 is provided with a through groove along the length direction, the first threaded sleeve 6 is fixedly provided with a connecting piece 7 penetrating through the through groove, and the connecting piece 7 is connected with the elastic sealing assembly;
The elastic sealing assembly comprises a connecting pipe 8, a rubber pad 11 and a spring 10, wherein the connecting pipe 8 is hollow in the interior and is connected with the connecting piece 7, the rubber pad 11 is sleeved on the connecting pipe 8, and the spring 10 is sleeved on the connecting pipe 8;
Limiting rings 9 abutted against the connecting pieces 7 are arranged on the two sides of the connecting pieces 7 on the connecting pipes 8, one ends of springs 10 are connected with the limiting rings 9, the other ends of the springs are connected with rubber pads 11, and protrusions 12 used for limiting the rubber pads 11 are arranged on the connecting pipes 8.
When the water meter is used, the first driving device 4 is controlled to rotate to drive the bidirectional screw rod 5 to rotate, so that the first threaded sleeve 6 in threaded fit with the bidirectional screw rod 5 moves close to each other in the axial direction of the bidirectional screw rod 5, and the rubber pad 11 is tightly attached to two ends of the water meter.
Wherein, be screw thread fit between two-way lead screw 5 and the screw thread sleeve 6 for when the both ends and the rubber pad 11 of water gauge closely paste, even drive arrangement 4 outage stop work, also can not lead to rubber pad 11 and water gauge to take place to break away from the phenomenon, guarantee the precision of connection between the two.
Two ends of the rotating plate 3 are respectively connected with the liquid discharge assembly through two symmetrically arranged second connecting rods 17;
The lifting assembly is arranged on the base 1 and connected with one end of the rotating plate 3, the lifting assembly is connected with a ratchet disc 28 arranged on the mounting frame 2 through a first belt 23, a rotary disc 25 is arranged on the ratchet disc 28, the rotary disc 25 is in an annular step shape, a pawl 26 matched with the ratchet disc 28 is rotatably arranged on the rotary disc 25, and the pawl 26 is elastically connected with the rotary disc 25 through a spring plate 27;
The liquid discharging assembly comprises a water discharging tank 18 and a water collecting tank 21 which are movably connected with the mounting frame 2 through a guide structure and are arranged at two ends of the base 1;
The water discharge tank 18 and the water collection tank 21 are respectively connected with the two ends of the rotating plate 3 through the second connecting rod 17, and are connected with the reflux component and simultaneously connected with the connecting pipe 8 through the hose;
The water collecting tank 21 is provided with a lifting detection rod 22, and a floating ball 31 is fixedly arranged at the lower part of the detection rod 22;
the guide structure comprises two groups of guide plates 19 symmetrically and fixedly arranged on the mounting frame 2, a long groove arranged on the guide plates 19 and a pulley 20 arranged in the long groove in a sliding manner;
the pulleys 20 are respectively arranged at two sides of the water discharge tank 18 and the water collection tank 21, and two pulleys 20 are arranged at the same side of the two pulleys along the vertical direction;
the lifting assembly comprises a second driving device 13 fixedly mounted on the mounting frame 2, a unidirectional screw rod 14 which is connected with an output shaft of the second driving device 13 and rotatably mounted between the mounting frame 2 and the base 1, and a second threaded sleeve 15 which is in threaded fit with the unidirectional screw rod 14;
The second threaded sleeve 15 is connected with one end of the rotating plate 3 through a first connecting rod 16.
When the second driving device 13 rotates, the unidirectional screw rod 14 is driven to rotate, so that the second threaded sleeve 15 moves in the axial direction of the unidirectional screw rod 14, the rotating plate 3 rotates through the first supporting rod 16, and the heights of the water discharging tank 18 and the water collecting tank 21 are changed.
It should be noted that, in the process of tilting the rotating plate 3 from horizontal to horizontal, the ratchet disc 28 rotates along with the first driving device 13, but a yielding phenomenon occurs between the ratchet disc and the ratchet 26, at this time, the backflow component does not rotate, whereas in the process of tilting the rotating plate 3 from horizontal to horizontal, the backflow component acts to replay the water pump in the water receiving tank 21 into the water tank 18.
The backflow assembly is arranged on the mounting frame 2 and connected with the turntable 25, and can drive water in the liquid discharge assembly to flow back;
The backflow assembly comprises a water pump 30 fixedly arranged on the mounting frame 2 and a bevel gear set 24 connected with the water pump 30 through a second belt 29;
the water inlet of the water pump 30 is arranged in the water collecting tank 21, and the water outlet is arranged in the water discharging tank 18;
The bevel gear set 24 includes a first bevel gear connected to the water pump 30 via the second belt 29 and rotatably mounted on the mounting frame 2, a second bevel gear meshed with the first bevel gear and rotatably mounted on the mounting frame 2, and the second bevel gear is connected to the turntable 25.
During the tilting of the rotating plate 3 from horizontal, the water pump 30 is activated, which returns the water pump in the water receiving tank 21 to the water tank 18.
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, and alternatives falling within the spirit and principles of the invention.
Claims (8)
1. A water meter load detection device simulating a water meter usage environment, comprising:
The base (1), the base (1) is of a cuboid structure, the upper part of the base is fixedly provided with a mounting frame (2), the base (1) is provided with a rotatable rotating plate (3), the rotating plate (3) is provided with an abutting mechanism for fixing a water meter, the abutting mechanism is connected and communicated with the water meter, and the abutting mechanism is connected and communicated with a liquid discharge assembly arranged on the mounting frame (2);
Two ends of the rotating plate (3) are respectively connected with the liquid discharge assembly through two symmetrically arranged second connecting rods (17);
The lifting assembly is arranged on the base (1) and connected with one end of the rotating plate (3), the lifting assembly is connected with a ratchet disc (28) arranged on the mounting frame (2) through a first belt (23), a rotary disc (25) is arranged on the ratchet disc (28), the rotary disc (25) is in an annular step shape, a pawl (26) matched with the ratchet disc (28) is rotatably arranged on the rotary disc, and the pawl (26) is elastically connected with the rotary disc (25) through a spring piece (27);
And the backflow component is arranged on the mounting frame (2) and is connected with the turntable (25), and can drive water in the liquid discharge component to flow back.
2. A water meter load detection device simulating the environment in which a water meter is used according to claim 1, wherein the abutting mechanism comprises a first driving device (4) fixedly installed on the rotating plate (3), a bidirectional driving component which is arranged on the rotating plate (3) and is connected with an output shaft of the first driving device (4), and two groups of elastic sealing components which are connected with the bidirectional driving component and are symmetrically arranged;
the elastic sealing component is connected with the liquid discharging component through a hose and is communicated with the liquid discharging component.
3. A water meter load detection device simulating the environment in which a water meter is used according to claim 2, wherein the bidirectional drive assembly comprises a bidirectional screw (5) rotatably mounted on the rotary plate (3), two first threaded sleeves (6) symmetrically arranged on the bidirectional screw (5);
The rotating plate (3) is provided with a through groove along the length direction of the rotating plate, a connecting piece (7) penetrating through the through groove is fixedly arranged on the first threaded sleeve (6), and the connecting piece (7) is connected with the elastic sealing assembly.
4. A water meter load detection device simulating the environment in which a water meter is used according to claim 3, wherein the elastic sealing component comprises a connecting pipe (8) which is hollow in the interior and is connected with the connecting piece (7), a rubber pad (11) sleeved on the connecting pipe (8) and a spring (10) sleeved on the connecting pipe (8);
Limiting rings (9) which are abutted to the connecting pieces (7) are arranged on the two sides of the connecting pieces (8), one end of each spring (10) is connected with each limiting ring (9), the other end of each spring is connected with each rubber pad (11), and protrusions (12) used for limiting the corresponding rubber pad (11) are arranged on the connecting pieces (8).
5. The water meter load detection device simulating water meter use environment according to claim 4, wherein the liquid discharge assembly comprises a water discharge tank (18) and a water receiving tank (21) which are movably connected with the mounting frame (2) through a guide structure and are arranged at two ends of the base (1);
The water discharging tank (18) and the water collecting tank (21) are respectively connected with the two ends of the rotating plate (3) through the second connecting rod (17), and are connected with the reflux assembly and are connected with the connecting pipe (8) through the hose at the same time of being connected with the reflux assembly;
the water collecting tank (21) is provided with a lifting detection rod (22), and a floating ball (31) is fixedly arranged at the lower part of the detection rod (22).
6. A water meter load detection device simulating the environment of use of a water meter according to claim 5, wherein said guide structure comprises two sets of guide plates (19) symmetrically and fixedly mounted on said mounting frame (2), an elongated slot provided on said guide plates (19), and a pulley (20) slidably provided in said elongated slot;
the pulleys (20) are respectively arranged at two sides of the water discharging tank (18) and the water receiving tank (21), and two pulleys (20) are arranged at the same side of the two pulleys along the vertical direction.
7. A water meter load detection device simulating the environment of use of a water meter according to claim 5, wherein the lifting assembly comprises a second driving device (13) fixedly mounted on the mounting frame (2), a unidirectional screw rod (14) connected with the output shaft of the second driving device (13) and rotatably mounted between the mounting frame (2) and the base (1), and a second threaded sleeve (15) in threaded fit with the unidirectional screw rod (14);
The second threaded sleeve (15) is connected with one end of the rotating plate (3) through a first connecting rod (16).
8. A water meter load sensing apparatus simulating the environment in which a water meter is used as claimed in claim 7, wherein said return assembly includes a water pump (30) fixedly mounted on said mounting bracket (2), a bevel gear set (24) connected to said water pump (30) by a belt (29);
The water inlet of the water pump (30) is arranged in the water collecting tank (21), and the water outlet is arranged in the water discharging tank (18);
The bevel gear set (24) comprises a first bevel gear which is connected with the water pump (30) through a second belt (29) and rotatably installed on the installation frame (2), and a second bevel gear which is meshed with the first bevel gear and rotatably installed on the installation frame (2), wherein the second bevel gear is connected with the turntable (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111440039.1A CN114166319B (en) | 2021-11-27 | 2021-11-27 | A water meter load detection device simulating a water meter use environment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111440039.1A CN114166319B (en) | 2021-11-27 | 2021-11-27 | A water meter load detection device simulating a water meter use environment |
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| CN114166319B true CN114166319B (en) | 2025-04-15 |
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| CN116698164B (en) * | 2023-08-08 | 2023-10-13 | 河北丰源智控科技股份有限公司 | Thing networking water gauge calibrating installation |
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| CN112179459A (en) * | 2020-09-30 | 2021-01-05 | 湖南常德牌水表制造有限公司 | Water meter load detection device for simulating water meter use environment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102016112196B4 (en) * | 2016-07-04 | 2018-04-05 | Bundesrepublik Deutschland, Vertreten Durch Das Bundesministerium Für Wirtschaft Und Energie, Dieses Vertreten Durch Den Präsidenten Der Physikalisch-Technischen Bundesanstalt | Flow-generating device and method for calibrating a DUT |
| KR101942014B1 (en) * | 2016-11-21 | 2019-01-24 | 한국표준과학연구원 | The evaluation system and method for flowmeter |
| CN111397702B (en) * | 2020-04-08 | 2021-08-20 | 杭州德创能源设备有限公司 | Automatic water meter verification system |
| CN213120754U (en) * | 2020-07-28 | 2021-05-04 | 开封锦科流量仪表有限公司 | Water flow standard device |
| CN213148014U (en) * | 2020-08-10 | 2021-05-07 | 山东埃美诺仪表有限公司 | Thing networking water gauge check out test set |
| CN213714490U (en) * | 2020-12-18 | 2021-07-16 | 吉林宏盛科技有限公司 | Water meter flow calibrating installation |
| CN112816036B (en) * | 2021-01-26 | 2021-10-26 | 沭阳亿彩泡塑有限公司 | Water meter detection device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110631664A (en) * | 2019-09-29 | 2019-12-31 | 特福隆（上海）科技有限公司 | A liquid flow calibration calibration device |
| CN112179459A (en) * | 2020-09-30 | 2021-01-05 | 湖南常德牌水表制造有限公司 | Water meter load detection device for simulating water meter use environment |
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