NB module whole meter testing device

Abstract

The utility model relates to the technical field of water meter detection, in particular to an NB module whole meter testing device which comprises a testing table. The test board is provided with a tool seat for limiting the water meter body, a data import device for being electrically connected to an NB module of the water meter body, a medium conveying device communicated with a water inlet of the water meter body, and a CCD visual device for reading the reading of a base meter on the water meter body; the CCD visual device is electrically connected to the data import device so as to import the read data into the NB module. The method and the device have the effect of improving the testing efficiency of the water meter with the NB module.

Description

Technical Field

[0001] The present application relates to the technical field of water meter detection, and in particular to a NB module whole-meter testing device. Background Art

[0002] NB-IoT water meter is a smart water meter that uses narrowband Internet of Things (NB-IoT) technology for data transmission and remote management. It can automatically upload water consumption data to the cloud management system in real time or periodically, eliminating the need for manual door-to-door meter reading, greatly improving meter reading efficiency and reducing labor costs. It can also monitor the operating status of the water meter and abnormal water use (such as water leakage, abnormal flow, etc.) in real time, and send early warning information in a timely manner to help users discover and deal with problems in a timely manner, thereby reducing water waste.

[0003] Water meters with NB modules need to be tested before leaving the factory. During the test, the base meter readings of the water meter need to be manually imported into the NB module so that the data in the NB module is consistent with the actual flow of the water meter. Since the values ​​in the NB module of the water meter are manually input, there may be reading errors or value input errors during the input process, resulting in test failures, requiring retesting, and low test efficiency, so further improvements are needed. Utility Model Content

[0004] In order to improve the testing efficiency of water meters with NB modules, the present application provides a NB module whole-meter testing device.

[0005] The present application provides a NB module whole meter testing device adopts the following technical solution:

[0006] A NB module whole meter testing device comprises a test bench, wherein the test bench is provided with a tooling seat for limiting a water meter body, a data importing device for the NB module electrically connected to the water meter body, a medium conveying device connected to the water inlet of the water meter body, and a CCD visual device for reading a base meter reading on the water meter body, wherein the CCD visual device is electrically connected to the data importing device to import the read data into the NB module.

[0007] By adopting the above technical solution, when testing a water meter with an NB module, the water meter body is placed on the tooling seat, and after the data import device is electrically connected to the NB module, the medium conveying device is connected to the water inlet of the water meter body to convey flowing medium to the water meter body to simulate the flow of water, and after the CCD visual device reads the base meter reading on the water meter body, the read data is imported into the NB module through the data import device, thereby realizing automatic reading and importing, and improving the testing efficiency of the water meter with the NB module.

[0008] Preferably, the tooling seat includes a tooling base plate, a pair of tooling side plates respectively fixedly connected to both sides of the tooling base plate, a tooling top plate fixedly connected to the upper parts of the tooling side plates, and a movable seat slidably connected to the tooling base plate and located between the two tooling side plates, the movable seat having a placement groove for placing the water meter body, a side wall of the tooling top plate having a limiting groove along the sliding direction of the movable seat for the base surface of the water meter body to slide through, and the tooling base plate is provided with a tooling driving part for driving the movable seat to slide.

[0009] By adopting the above technical solution, under normal conditions, the tooling drive component drives the movable seat to slide out of the position of the tooling top plate, so that the placement groove and the limit groove are in a misaligned state, which is convenient for placing the water meter body. After the water meter body is placed in the placement groove of the movable seat, the tooling drive component drives the movable seat to slide and reset, so that the base table of the water meter body slides and is clamped in the limit groove, thereby limiting the water meter body.

[0010] Preferably, the tooling driving member is a first cylinder, a cylinder body of the first cylinder is fixedly connected to the tooling bottom plate, and a piston rod of the first cylinder is fixedly connected to the movable seat.

[0011] By adopting the above technical solution, the movable seat is driven to slide back and forth by the extension and retraction of the piston rod of the cylinder, and the response speed of the cylinder is fast.

[0012] Preferably, the medium conveying device includes a fixed seat, a movable plate connected to the fixed seat axially slidingly along the water inlet of the water meter body, and an air supply pipe fixedly connected to the movable plate and sleeved on the water inlet of the water meter body, the air supply pipe is connected to an air supply part, and the fixed seat is provided with an air supply drive part for driving the movable plate to slide.

[0013] By adopting the above technical solution, after the water meter body is installed on the working seat, the movable plate is driven by the air supply drive member to slide toward the water meter body, so that the air supply pipe is installed on the water inlet of the water meter body, and the air supply member is started to supply air to the water meter body to simulate the flow of water.

[0014] Preferably, the air supply driving member is a second cylinder, a cylinder body of the second cylinder is fixedly connected to a fixing seat, and a piston rod of the second cylinder is fixedly connected to the movable plate.

[0015] By adopting the above technical solution, the movable plate is driven to slide back and forth by the extension and retraction of the piston rod of the cylinder, and the response speed of the cylinder is fast.

[0016] Preferably, the data import device includes a fixing frame fixedly connected to the test bench and located on one side of the tooling seat, a rotating shaft rotatably connected to the fixing frame, a connecting arm fixedly connected to the rotating shaft, a data import connector fixedly connected to the free end of the connecting arm and electrically connected to the CCD vision device, and a driving assembly for driving the rotating shaft to rotate, and the data import connector abuts against the transmission connector of the NB module to realize the electrical connection between the data import connector and the transmission connector.

[0017] By adopting the above technical solution, after the water meter body is placed on the workbench, the driving assembly drives the rotating shaft to rotate, thereby driving the free end of the connecting arm to swing toward the water meter body, so that the data import connector abuts against the transmission connector of the NB module, thereby realizing the electrical connection between the data import connector and the transmission connector.

[0018] Preferably, the driving assembly includes a rocker arm fixedly connected to the rotating shaft and a third cylinder, the cylinder body of the third cylinder is hinged to the fixed frame, and the piston rod end of the third cylinder is hinged to an end of the rocker arm away from the rotating shaft.

[0019] By adopting the above technical solution, the swing of the swing arm is achieved by the extension and retraction of the piston rod of the cylinder, thereby driving the rotation of the rotating shaft, thereby achieving the swing of the connecting arm.

[0020] Preferably, the CCD vision device includes a support column fixedly connected to the test bench, a support cross arm arranged on the support column, and a CCD camera arranged on the support cross arm and located above the workbench to read the base meter reading of the water meter body, and the CCD camera is electrically connected to the data import connector.

[0021] By adopting the above technical solution, the base meter reading of the water meter body is read through the CCD camera, and the read data is imported into the NB module through the data import connector.

[0022] Preferably, the test bench is provided with a laser marking device for laser marking the surface of the water meter body on the tooling seat.

[0023] By adopting the above technical solution, after the test is completed, the basic parameter data of the water meter body is engraved on the surface of the water meter body by a laser engraving device.

[0024] Preferably, the laser engraving device is located on one side of the CCD vision device, the test bench is slidably connected to the transfer seat, the tooling seat is fixedly connected to the transfer seat, and the test bench is provided with a transfer drive component that drives the transfer seat to slide so that the water meter body is located below the CCD vision device / laser engraving device.

[0025] By adopting the above technical solution, the transfer seat is driven to slide by the transfer drive member, so that the tooling seat slides to the bottom of the CCD vision device (detection station) for detection operation. After the detection is completed, the transfer drive member drives the transfer seat to slide to the bottom of the laser engraving device (engraving station) for laser engraving operation.

[0026] In summary, the utility model has the following beneficial effects:

[0027] 1. When testing a water meter with an NB module, place the water meter body on the tooling seat, and after the data import device is electrically connected to the NB module, the medium conveying device is connected to the water inlet of the water meter body to convey the flowing medium to the water meter body to simulate the flow of water. After the CCD visual device reads the base meter reading on the water meter body, the data import device is used to import the read data into the NB module, so as to realize automatic reading and importing, and improve the test efficiency of the water meter with the NB module;

[0028] 2. Under normal conditions, the tooling drive member drives the movable seat to slide out of the position of the tooling top plate, so that the placement groove and the limit groove are in a dislocated state, which is convenient for placing the water meter body. After the water meter body is placed in the placement groove of the movable seat, the tooling drive member drives the movable seat to slide and reset, so that the base of the water meter body slides and is stuck in the limit groove, thereby limiting the water meter body;

[0029] 3. The transfer seat is driven by the transfer drive to slide, so that the tooling seat slides to the bottom of the CCD vision device (detection station) for detection. After the detection is completed, the transfer drive drives the transfer seat to slide to the bottom of the laser engraving device (engraving station) for laser engraving. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of a NB module whole meter test device;

[0031] Figure 2 It is a schematic diagram of the connection structure between the tooling seat and the transfer seat;

[0032] Figure 3 It is a structural schematic diagram of a tooling seat and a medium conveying device;

[0033] Figure 4 It is a structural schematic diagram of a data import device;

[0034] Figure 5 It is a structural diagram of a CCD vision device.

[0035] In the figure, 1, test bench; 11, first platform; 12, second platform; 13, first fixed plate; 14, second fixed plate; 15, guide rod; 16, transfer seat; 2, tooling seat; 21, tooling bottom plate; 211, guide rail; 22, tooling side plate; 23, tooling top plate; 231, limiting groove; 24, movable seat; 241, placement groove; 25, first cylinder; 26, extension plate; 3, medium conveying device; 31, fixed seat; 32, movable plate; 33. Air supply pipe; 34. Second air cylinder; 35. Air pump; 4. Data import device; 41. Fixed frame; 42. Rotating shaft; 43. Connecting arm; 44. Data import connector; 45. Driving assembly; 451. Rocker arm; 452. Third air cylinder; 46. Connecting block; 5. CCD visual device; 51. Support column; 52. Support cross arm; 53. CCD camera; 54. Mounting sleeve; 6. Laser engraving device; 61. Engraving frame; 62. Laser engraving head. DETAILED DESCRIPTION

[0036] The following is combined with Figure 1-5 This application is described in further detail.

[0037] The present application embodiment discloses a NB module whole meter testing device, referring to Figure 1 , including a test bench 1, the test bench 1 is provided with a tooling seat 2 for limiting the water meter body, a data importing device 4 for an NB module electrically connected to the water meter body, a medium conveying device 3 connected to the water inlet of the water meter body, a CCD visual device 5 for reading the base meter reading on the water meter body, and a laser engraving device 6 located on one side of the CCD visual device 5 for laser engraving the surface of the water meter body, the CCD visual device 5 is electrically connected to the data importing device 4 to import the read data into the NB module.

[0038] Reference Figure 1 , Figure 2 The test bench 1 has a first platform 11 and a second platform 12. The second platform 12 is located behind the first platform 11, and the upper end surface of the second platform 12 is higher than the upper end surface of the first platform 11. The upper end surface of the first platform 11 is fixedly connected with a first fixed plate 13 and a second fixed plate 14 distributed along the length direction, and a guide rod 15 is fixedly connected between the first fixed plate 13 and the second fixed plate 14. The first platform 11 is provided with a transfer seat 16 that is slidably sleeved on the guide rod 15. The first platform 11 is provided with a transfer drive member that drives the transfer seat 16 to slide. In this embodiment, the transfer drive member can use a screw drive method to drive the transfer seat 16 to slide. In other embodiments, the transfer drive member can also use a cylinder drive method.

[0039] Reference Figure 2 , Figure 3The tooling seat 2 includes a tooling bottom plate 21 fixedly connected to the upper end surface of the transfer seat 16, a pair of tooling side plates 22 fixedly connected to both sides of the tooling bottom plate 21, a tooling top plate 23 fixedly connected to the upper part of the tooling side plates 22, and a movable seat 24 slidably connected to the tooling bottom plate 21 along the length direction of the first platform 11 and located between the two tooling side plates 22. The two tooling side plates 22 are distributed along the width direction of the first platform 11, and the movable seat 24 has a placement groove 241 for placing the water meter body, and a limiting groove 231 for the base surface of the water meter body to slide through is opened on the side of the tooling top plate 23 away from the first fixed plate 13 along the sliding direction of the movable seat 24.

[0040] The upper end surface of the tooling base plate 21 is fixedly connected with a guide rail 211, the length direction of the guide rail 211 is parallel to the length direction of the first platform 11, and the movable seat 24 is slidably connected to the guide rail 211. The tooling base plate 21 is provided with a tooling driving member for driving the movable seat 24 to slide, specifically, the tooling driving member is a first cylinder 25, the cylinder body of the first cylinder 25 is fixedly connected to a side of the tooling base plate 21 close to the first fixed plate 13, and the piston rod of the first cylinder 25 is fixedly connected to the movable seat 24.

[0041] An extension plate 26 is fixedly connected to one side of the tooling base plate 21 close to the second fixed plate 14, and the upper end surface of the extension plate 26 is flush with the upper end surface of the tooling base plate 21. The medium conveying device 3 includes a fixed seat 31 fixedly connected to the upper end surface of the extension plate 26, a movable plate 32 slidably connected to the fixed seat 31 along the length direction of the first platform 11, and an air supply pipe 33 fixedly connected to the movable plate 32 and sleeved on the water inlet of the water meter body. The air supply pipe 33 is connected to an air supply part through a pipeline, and the air supply part is an air pump 35. In this embodiment, the start and stop of the air pump 35 is controlled by PLC. The fixed seat 31 is provided with an air supply drive part that drives the movable plate 32 to slide. Specifically, the air supply drive part is a second cylinder 34. The cylinder body of the second cylinder 34 is fixedly connected to the fixed seat 31. The piston rod of the second cylinder 34 is axially parallel to the length direction of the first platform 11, and the movable plate 32 is fixedly connected to the piston rod of the second cylinder 34.

[0042] Reference Figure 1 , Figure 4The data import device 4 includes a fixing frame 41 fixedly connected to the first platform 11 and located on one side of the extension plate 26, a rotating shaft 42 rotatably connected to the fixing frame 41, a connecting arm 43 fixedly connected to the rotating shaft 42, a data import connector 44 fixedly connected to the free end of the connecting arm 43 and electrically connected to the CCD visual device 5, and a driving component 45 for driving the rotating shaft 42 to rotate. The axial direction of the rotating shaft 42 is parallel to the width direction of the first platform 11, and the end of the rotating shaft 42 away from the second platform 12 has a rotation-stop shaft section. The end of the connecting arm 43 is fixedly connected with a connecting block 46 that is slidably sleeved on the rotation-stop shaft section. The connecting block 46 is locked with a bolt that is tightly pressed against the outer wall of the rotation-stop shaft section. After the sliding position of the connecting block 46 can be slidably adjusted, the locking bolt is tightened to fix the position of the connecting block 46. The data import connector 44 is in contact with the transmission connector of the NB module to achieve electrical connection between the data import connector 44 and the transmission connector. The driving assembly 45 includes a rocker arm 451 fixedly connected to the outer peripheral wall of the rotating shaft 42 and a third cylinder 452 located below the rocker arm 451. The cylinder body of the third cylinder 452 is hinged to the fixed frame 41, and the piston rod end of the third cylinder 452 is hinged to the end of the rocker arm 451 away from the rotating shaft 42.

[0043] Reference Figure 1 , Figure 5 The CCD visual device 5 includes a support column 51 fixedly connected to one side of the upper end surface of the second platform 12, a support cross arm 52 arranged on the support column 51, and a CCD camera 53 arranged on the support cross arm 52 and located above the tooling seat 2 to read the base meter reading of the water meter body. The support column 51 is vertically arranged, and the support column 51 is a cylinder. The end of the support cross arm 52 is fixedly connected to a mounting sleeve 54, and the mounting sleeve 54 is clamped and fixed to the support column 51. The CCD camera 53 is fixedly connected to the support cross arm 52 by bolts, and the CCD camera 53 is electrically connected to the data import connector 44. Under normal conditions, the CCD camera 53 is located directly above the water meter body. The laser engraving device 6 is located on the other side of the upper end surface of the second platform 12. The laser engraving device 6 includes an engraving frame 61 fixedly connected to the other side of the upper end surface of the second platform 12 and a laser engraving head 62 movably connected to the engraving frame 61. The laser engraving head 62 can move along the X-axis-Y-axis-Z-axis to realize the engraving operation on the water meter body. The laser engraving device 6 is a prior art and will not be described in detail here.

[0044] The implementation principle of the NB module whole meter testing device of the embodiment of the present application is as follows: under normal conditions, the tooling seat 2 is located directly below the CCD camera 53, the piston rod of the first cylinder 25 is extended, and the movable seat 24 is driven to slide toward the extension plate 26, so that the placement groove 241 and the limiting groove 231 are in a misaligned state, which is convenient for placing the water meter body. After the water meter body is placed in the placement groove 241 of the movable seat 24, the piston rod of the first cylinder 25 is contracted to drive the movable seat 24 to slide and reset, so that the base of the water meter body is slidably clamped in the limiting groove 231, so as to limit the water meter body;

[0045] The piston rod of the second air cylinder 34 extends to drive the movable plate 32 to slide toward the water meter body, so that the air supply pipe 33 is sleeved on the water inlet of the water meter body, and the piston rod of the third air cylinder 452 extends, driving the free end of the swing rod 451 to swing upward, thereby driving the rotating shaft 42 to rotate, thereby driving the free end of the connecting arm 43 to swing downward toward the water meter body, so that the data import connector 44 abuts against the transmission connector of the NB module, and realizes the electrical connection between the data import connector 44 and the transmission connector; the CCD camera 53 collects the initial water consumption information of the water meter body, and after the reading is completed, the air pump 35 is started by the PLC control, and the water meter body is ventilated through the air supply pipe 33 to simulate the flow of water. When the flow of the water meter body exceeds 10L, the PLC controls the air pump 35 to stop working, and the CCD reads the last value on the base meter of the water meter body, and imports the value into the NB module of the water meter through the data import connector 44;

[0046] The piston rods of the second cylinder 34 and the third cylinder 452 shrink and reset, and the transfer drive member drives the transfer seat 16 to slide under the laser engraving head 62 (engraving station), and the basic parameter data of the water meter body is engraved on the surface of the water meter body through the laser engraving head 62.

[0047] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A NB module whole meter testing device, characterized in that: The test bench (1) comprises a tooling seat (2) for limiting the position of a water meter body, a data import device (4) for an NB module electrically connected to the water meter body, a medium conveying device (3) connected to the water inlet of the water meter body, and a CCD visual device (5) for reading the base meter reading on the water meter body, wherein the CCD visual device (5) is electrically connected to the data import device (4) to import the read data into the NB module.

2. The NB module whole meter testing device according to claim 1, characterized in that: The tooling seat (2) comprises a tooling base plate (21), a pair of tooling side plates (22) respectively fixedly connected to both sides of the tooling base plate (21), a tooling top plate (23) fixedly connected to the upper part of the tooling side plates (22), and a movable seat (24) slidably connected to the tooling base plate (21) and located between the two tooling side plates (22), the movable seat (24) having a placement groove (241) for placing a water meter body, a side wall of the tooling top plate (23) having a limit groove (231) for the base of the water meter body to slide through along the sliding direction of the movable seat (24), and a tooling driving member for driving the movable seat (24) to slide.

3. A NB module whole meter testing device according to claim 2, characterized in that: The tooling driving component is a first cylinder (25), a cylinder body of the first cylinder (25) is fixedly connected to the tooling base plate (21), and a piston rod of the first cylinder (25) is fixedly connected to the movable seat (24).

4. The NB module whole meter testing device according to claim 1, characterized in that: The medium conveying device (3) comprises a fixed seat (31), a movable plate (32) connected to the fixed seat (31) in an axially sliding manner along the water inlet of the water meter body, and an air supply pipe (33) fixedly connected to the movable plate (32) and sleeved on the water inlet of the water meter body, the air supply pipe (33) being connected to an air supply member, and the fixed seat (31) being provided with an air supply driving member for driving the movable plate (32) to slide.

5. The NB module whole meter testing device according to claim 4, characterized in that: The air supply drive component is a second cylinder (34); the cylinder body of the second cylinder (34) is fixedly connected to the fixed seat (31); and the piston rod of the second cylinder (34) is fixedly connected to the movable plate (32).

6. The NB module whole meter testing device according to claim 1, characterized in that: The data import device (4) comprises a fixing frame (41) fixedly connected to the test bench (1) and located on one side of the tooling seat (2), a rotating shaft (42) rotatably connected to the fixing frame (41), a connecting arm (43) fixedly connected to the rotating shaft (42), a data import connector (44) fixedly connected to the free end of the connecting arm (43) and electrically connected to the CCD visual device (5), and a driving component (45) for driving the rotating shaft (42) to rotate, wherein the data import connector (44) abuts against the transmission connector of the NB module to achieve electrical connection between the data import connector (44) and the transmission connector.

7. The NB module whole meter testing device according to claim 6, characterized in that: The driving assembly (45) comprises a swing rod (451) fixedly connected to the rotating shaft (42) and a third cylinder (452); the cylinder body of the third cylinder (452) is hinged to the fixing frame (41); and the end of the piston rod of the third cylinder (452) is hinged to an end of the swing rod (451) away from the rotating shaft (42).

8. The NB module whole meter testing device according to claim 6, characterized in that: The CCD visual device (5) comprises a support column (51) fixedly connected to the test bench (1), a support cross arm (52) arranged on the support column (51), and a CCD camera (53) arranged on the support cross arm (52) and located above the tooling seat (2) to read the base meter reading of the water meter body, and the CCD camera (53) is electrically connected to the data import connector (44).

9. The NB module whole meter testing device according to claim 1, characterized in that: The test bench (1) is provided with a laser engraving device (6) for laser engraving the surface of the water meter body on the tooling seat (2).

10. The NB module whole meter testing device according to claim 9, characterized in that: The laser engraving device (6) is located on one side of the CCD visual device (5); the test bench (1) is slidably connected to a transfer seat (16); the tooling seat (2) is fixedly connected to the transfer seat (16); and the test bench (1) is provided with a transfer drive component that drives the transfer seat (16) to slide so that the water meter body is located below the CCD visual device (5) / laser engraving device (6).

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