CN210221175U

CN210221175U - Internal pressure type remote water meter suitable for underwater

Info

Publication number: CN210221175U
Application number: CN201920711961.1U
Authority: CN
Inventors: Pingrang Yao; 姚平壤
Original assignee: NANJING WATER GATE ELECTRONIC CO Ltd
Current assignee: NANJING WATER GATE ELECTRONIC CO Ltd
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-03-31
Anticipated expiration: 2029-05-17

Abstract

The utility model provides an internal pressure type remote water meter suitable for underwater, which structurally comprises a box cover, a circuit box, a fastening ring, a base meter, a box cover shaft pin, a fastening clamping sleeve, a circuit bus and a bus hose; the circuit box is arranged in the box cover, the bottom of the box cover is connected with the top of the base meter through a fastening ring, the fastening ring is fixedly connected with the box cover and the fastening ring through a box cover shaft pin, and the fastening clamping sleeve is arranged at the inner joint of the fastening ring; the circuit bus passes through the lid and is connected with the circuit box, and the bus hose is located the outside of circuit bus. The advantages are that: 1) the external circuit box and the base meter are designed by relatively independent components, so that the device is convenient to disassemble, the maintenance difficulty is reduced, and the device can normally operate underwater for a long time; 2) the production flow is simplified, the production efficiency is improved, and the production cost is reduced.

Description

Internal pressure type remote water meter suitable for underwater

Technical Field

The utility model relates to a be applicable to underwater internal pressure formula teletransmission water gauge belongs to discharge measuring instrument equipment technical field.

Background

The existing external pressure type electronic water meter, such as the external pressure type mechanical sensor type electronic water meter suitable for underwater proposed by the invention patent with patent number ZL 201710465939.9, is easy to have the following problems after long-term use:

1. for the outgoing line waterproof sealing of the circuit box, the processing mainly depends on glue pouring, the process is complex, the production period is long, the defective rate is high, and the production efficiency is low;

2. the circuit box of the external pressure type mechanical sensor type electronic water meter and the base meter for sensing water flow are an inseparable whole, when a circuit part fails after the remote water meter is installed and operated, the whole water meter needs to be detached and replaced, and the maintenance process is complex and difficult to implement.

In view of the foregoing, there is a need in the art for a mechanical sensor type electronic water meter structure that can operate underwater for a long period of time and is easy to produce and maintain.

Disclosure of Invention

The utility model mainly aims at solving the weak point of above-mentioned electron teletransmission water gauge, provide a sealing and waterproof performance good, need not adopt encapsulating waterproof technology, just can be long-term at the internal pressure formula teletransmission water gauge of work under water.

The technical solution of the utility model is as follows: the structure of the underwater internal pressure type remote water meter comprises a box cover, a circuit box, a fastening ring, a base meter, a box cover shaft pin, a fastening clamping sleeve, a circuit bus and a bus hose; the circuit box is arranged in the box cover, the bottom of the box cover is connected with the top of the base meter through a fastening ring, the fastening ring is fixedly connected with the box cover and the fastening ring through a box cover shaft pin, and the fastening clamping sleeve is arranged at the inner joint of the fastening ring; the circuit bus passes through the lid and is connected with the circuit box, and the bus hose is located the outside of circuit bus.

Preferably, the base meter comprises a compression nut, an anti-slip pad, a meter shell, a steel pad, a water inlet, a water outlet, a water meter movement and a filter screen; the water meter comprises a shell, a water inlet, a water outlet, a water meter core, a steel mat and a non-slip mat, wherein the left side and the right side of the shell are respectively provided with the water outlet and the water inlet, the water meter core is arranged in a central cavity of the shell, the upper surface of the water meter core is provided with the steel mat and the non-slip mat from bottom to top and is fixed through a compression.

Preferably, the circuit box comprises watch cover glass, a support in the box, a special-shaped sealing ring, a box base, a magnetic-proof plate, a liquid crystal screen, a box character plate, a circuit board, a lithium battery, a perforated wire outlet structure and a magnetic sensor; the box inner support is arranged inside the box base, the box character plate covers the upper side of the box inner support, and the surface cover glass covers the outer part of the box character plate and is connected with the edge of the box base through a special-shaped sealing ring and is sealed and fixed; the circuit board is arranged at the top of the inner support of the box, the liquid crystal screen is arranged on the upper surface of the circuit board, and the lithium battery is arranged below the inner support of the box and connected with the liquid crystal screen and the circuit board; the antimagnetic plate is arranged in the center of the bottom of the box base, the magnetic sensor is arranged on the lower surface of the antimagnetic plate, and the perforated line outlet structure is arranged at the position of the threading hole on one side of the bottom of the box base.

Preferably, the perforated line outgoing structure comprises a line outgoing column, an open ring, a flat gasket, a rubber ring and a single-core bus; the threading column penetrates through a threading hole at the bottom of the box base, the upper part of the outer surface of the threading column is provided with an annular clamping groove, the lower part of the threading column is provided with a boss, the top end of the threading column is connected with an outgoing line of the internal circuit board, and the bottom end of the threading column is connected with the single-core bus; a rubber ring is arranged between the threading column and the through hole, and the rubber ring is tightly pressed with the lower surface of the box base through a boss at the lower part of the threading column; the upper part of the rubber ring is provided with an annular flat gasket, and the split ring is inserted into the annular clamping groove of the threading column and tightly presses the flat gasket.

The utility model has the advantages that:

1) the external circuit box and the base meter are designed by relatively independent components, so that the external circuit box and the base meter are convenient to disassemble. When a circuit part fails, the base meter is fixed on the pipeline, and the failure is solved only by detaching the failed circuit box and replacing the circuit box with a new circuit box, so that the maintenance difficulty is reduced, the cost is reduced, and the underwater power supply can normally operate underwater for a long time;

2) the wire outlet part of the circuit box adopts a wire passing column structure, and a glue filling, sealing and waterproof process is not needed. The production flow is simplified, the production efficiency is improved, and the production cost is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of an internal pressure remote water meter suitable for underwater use.

Fig. 2 is a structural exploded view of the internal pressure remote water meter suitable for underwater use.

FIG. 3 is a schematic diagram of the structure of the base table.

Fig. 4 is a schematic diagram of the structure of the circuit box.

Fig. 5 is a schematic diagram of a perforated outlet structure of the circuit box.

Figure 6 is a schematic view of the connection configuration on the exterior of the water meter.

Figure 7 is a schematic structural view of a water meter fastening ring and a fastening ferrule.

In the figure, 1 is a box cover, 2 is a circuit box, 3 is a fastening ring, 4 is a base meter, 5 is a box cover shaft pin, 6 is a fastening clamping sleeve, 7 is a circuit bus, and 8 is a bus hose; 2-1 is watch cover glass, 2-2 is a support in a box, 2-3 is a special-shaped sealing ring, 2-4 is a box base, 2-5 is a magnetic-proof plate, 2-6 is a liquid crystal screen, 2-7 is a box character plate, 2-8 is a circuit board, 2-9 is a lithium battery, 2-10 is a threading column, 2-11 is an open ring, 2-12 is a flat gasket, 2-13 is a rubber ring, 2-14 is a single-core bus, and 2-15 is a magnetic sensor; 4-1 is a compression nut, 4-2 is an anti-skid pad, 4-3 is a meter shell, 4-4 is a steel pad, 4-5 is a water inlet, 4-6 is a water outlet, 4-7 is a water meter movement, and 4-8 is a filter screen.

Detailed Description

The technical scheme of the invention is further explained according to the attached drawings of the specification.

As shown in fig. 1, the underwater internal pressure remote water meter comprises a cover 1, a circuit box 2, a fastening ring 3, a base meter 4, a cover shaft pin 5, a fastening ferrule 6, a circuit bus 7 and a bus hose 8; the circuit box 2 is arranged in the box cover 1, the bottom of the box cover 1 is connected with the top of the base table 4 through the fastening ring 3, the fastening ring 3 is fixedly connected with the box cover 1 and the fastening ring 3 through a box cover shaft pin 5, and the fastening clamping sleeve 6 is arranged at the inner joint of the fastening ring 3; the circuit bus 7 passes through the box cover 1 to be connected with the circuit box 2, and the bus hose 8 is arranged outside the circuit bus 7.

As shown in fig. 7, the fastening ring 3 is a ring-shaped member having a broken opening, and the upper and lower inner surfaces of the ring-shaped member are respectively provided with a ring-shaped boss structure, the upper ring-shaped boss thereof presses the circuit box 2, and the lower ring-shaped boss thereof is embedded in the ring-shaped groove at the upper part of the watch body of the base watch 4, so that the circuit box 2 and the base watch 4 are tightly fixed as a whole; fastening cutting ferrule 6 insert the straight flute of 3 break exits both sides of tight ring, connect into a complete annular with the tight ring 3 of disconnection, there is a pair of barb fastening cutting ferrule 6's lower part, in case insert the straight flute of tight ring 3, just can't withdraw from, only destroy barb structure, just can let fastening cutting ferrule 6 withdraw from the straight flute of 3 afterbody of tight ring, make tight ring 3 open the disconnected opening, thereby make circuit box 2 and base table 4 separation, thereby guaranteed water gauge overall structure's stability to a certain extent.

The tail part of the fastening ring 3 is provided with a pair of box cover shaft pin holes which correspond to the shaft pin holes on the box cover 1, and a box cover shaft pin 5 is inserted into the box cover shaft pin holes on the box cover 1 and the fastening ring 3 to connect the box cover 1 and the fastening ring 3 into a whole; the box cover 1 can rotate around the axis of the box cover shaft pin 5, and the box cover 1 can be opened upwards, so that a liquid crystal screen of the circuit box can be observed conveniently; or the box cover 1 is closed downwards, and the watch cover glass of the circuit box is protected from being cleaned and damaged by external impact.

As shown in fig. 2, the circuit box 2 and the base watch 4 are separable structures independent of each other, and after the box cover 1 and the fastening ring 3 are removed, the structure of the circuit box 2 can be separated separately and disconnected from the circuit bus 7.

As shown in fig. 3, the base watch 4 comprises a compression nut 4-1, an anti-skid pad 4-2, a watch case 4-3, a steel pad 4-4, a water inlet 4-5, a water outlet 4-6, a water meter movement 4-7 and a filter screen 4-8; wherein, the left side of the watchcase 4-3 is provided with a water outlet 4-6, the right side is provided with a water inlet 4-5, the central cavity of the watchcase 4-3 is internally provided with a water meter movement 4-7, the upper surface of the water meter movement 4-7 is provided with a steel pad 4-4 and an anti-skid pad 4-2 from bottom to top and is fixed by a compression nut 4-1, and the bottom of the water meter movement 4-7 is provided with a filter screen 4-8.

The base meter 4 in the utility model adopts the base meter structure in patent CN107328451A, and is characterized in that the impeller of the base meter with zero gravity is designed to rotate completely according to the rules of fluidics, and is little influenced by mechanical friction; the design of the sealing gland with the triple structure avoids the influence of water pressure change on the water meter measurement, and the measurement precision and the sensitivity are greatly improved and exceed the performance of the traditional mechanical water meter. The improvement points are as follows: according to the national regulation, the acceleration mechanism of the valve, valve seat and dripping hole of the original basic meter is changed into a simple filter screen.

As shown in fig. 4, the circuit box 2 comprises a watch cover glass 2-1, a support 2-2 in the box, a special-shaped sealing ring 2-3, a box base 2-4, a antimagnetic plate 2-5, a liquid crystal screen 2-6, a box character plate 2-7, a circuit board 2-8, a lithium battery 2-9, a perforated outgoing line structure and a magnetic sensor 2-15; the box inner support 2-2 is arranged inside the box base 2-4, the box character plate 2-7 covers the upper side of the box inner support 2-2, the surface cover glass 2-1 covers the outer part of the box character plate 2-7, and is connected with the edge of the box base 2-4 through the special-shaped sealing ring 2-3 and is sealed and fixed; the circuit board 2-8 is arranged at the top of the support 2-2 in the box, the liquid crystal screen 2-6 is arranged on the upper surface of the circuit board 2-8, and the lithium battery 2-9 is arranged below the support 2-2 in the box and connected with the liquid crystal screen 2-6 and the circuit board 2-8; the antimagnetic plate 2-5 is arranged in the center of the bottom of the box base 2-4, the magnetic sensor 2-15 is arranged on the lower surface of the antimagnetic plate 2-5, and the perforated line outlet structure is arranged at a through hole on one side of the bottom of the box base 2-4.

The meter cover glass 2-1 is made of toughened glass, the box base 2-4 is made of stainless steel, the side edge of the upper part of the box base 2-4 is rolled up by a roller device and wraps the bottom end of the meter cover glass 2-1 sleeved with the special-shaped sealing ring 2-3, the lower part of the inner support 2-2 is tightly matched with the box base 2-4, complete sealing performance and pressure resistance are guaranteed through double protection of the meter cover glass and a stainless steel shell, water flow infiltration is avoided, and therefore the whole water meter circuit box structure can work underwater stably for a long time.

As shown in fig. 5, the perforated outgoing line structure comprises a perforated column 2-10, an open ring 2-11, a flat gasket 2-12, a rubber ring 2-13 and a single core bus 2-14; wherein, the threading posts 2-10 are arranged by penetrating through threading holes at the bottom of the box base 2-4, the upper part of the outer surface is provided with an annular clamping groove, the lower part is provided with a lug boss, the top end is connected with the outgoing line of the internal circuit board 2-8, and the bottom end is connected with the single-core bus 2-14; a rubber ring 2-13 is arranged between the threading column 2-10 and the through hole, and the rubber ring 2-13 is tightly pressed with the lower surface of the box base 2-4 through a boss at the lower part of the threading column 2-10; the upper part of the rubber ring 2-13 is provided with an annular flat gasket 2-12, and the split ring 2-11 is inserted into the annular clamping groove of the threading post 2-10 and presses the flat gasket 2-12. The outgoing line of the circuit board 2-8 in the circuit box 2 is welded with a single-core bus 2-14 outside the circuit box through the threading post 2-10 to form a complete signal line from the inside to the outside of the box, and the perforation outgoing line structure not only ensures the metal insulation of the threading post 2-10 and the box base 2-4 made of stainless steel, but also ensures the complete sealing of the threading hole of the box base 2-4, thereby ensuring the sealing and waterproof performance of the circuit box and ensuring the normal and effective connection of the internal circuit board and external measuring equipment. Because of adopting the high-density material to make, the hydrone can't penetrate the outer casing of the circuit box, 485 data bus outgoing line position of the circuit box, because of adopting the structure of the internal pressure type water gauge, no longer receive the structure restriction of outer pressure type water gauge outer casing and cover nut, the glass outgoing line of the meter cover from the water gauge, change into the stainless steel box base outgoing line from the inferior part of the circuit box; the bus is also broken into parts, and each wire independently passes through the stainless steel shell to be connected with external measuring equipment.

As shown in fig. 6, the case cover 1, the fastening ring 3, the case cover shaft pin 5 and the fastening sleeve 6 constitute a connecting, protecting and fixing structural member for the circuit case and the base watch in the embodiment; wherein the fastening ring 3 is a broken ring-shaped member, the upper ring-shaped boss thereof presses the circuit box 2, and the lower ring-shaped boss thereof is embedded in the ring-shaped groove at the upper part of the watch body of the base watch 4, thereby tightly fixing the circuit box 2 and the base watch 4 as a whole.

The fastening clamping sleeve 6 is inserted into the straight grooves at two sides of the tail part of the fastening ring 3 to connect the disconnected fastening ring into a complete ring shape. Thereby ensuring that the fastening ring 3 cannot be disassembled; the lower portion of the fastening ferrule 6 has a pair of barbs. In case insert the straight flute of tight loop 3, just can't withdraw from, only destroy the barb structure, just can let fastening cutting ferrule 6 withdraw from the straight flute of 3 afterbody of tight loop, make tight loop 3 open annular opening to make circuit box 2 and base table 4 separate.

The tail part of the fastening ring 3 is provided with a pair of box cover shaft pin holes, and a box cover shaft pin 5 is inserted into the box cover shaft pin holes at the tail parts of the box cover 1 and the fastening ring 3 to connect the box cover 1 and the fastening ring 3 into a whole; the box cover 1 can rotate around the axis of the box cover shaft pin 5, and the box cover 1 can be opened upwards, so that a liquid crystal screen of the circuit box can be observed conveniently; or the box cover 1 is closed downwards, and the watch cover glass of the circuit box is protected from being cleaned and damaged by external impact.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The underwater internal pressure type remote transmission water meter is suitable for underwater internal pressure type remote transmission water meters and is characterized by comprising a box cover (1), a circuit box (2), a fastening ring (3), a base meter (4), a box cover shaft pin (5), a fastening clamping sleeve (6), a circuit bus (7) and a bus hose (8); the circuit box (2) is arranged in the box cover (1), the bottom of the box cover (1) is connected with the top of the base meter (4) through the fastening ring (3), the fastening ring (3) is fixedly connected with the box cover (1) and the fastening ring (3) through a box cover shaft pin (5), and the fastening clamping sleeve (6) is arranged at the inner joint of the fastening ring (3); the circuit bus (7) passes through the box cover (1) to be connected with the circuit box (2), and the bus hose (8) is arranged outside the circuit bus (7).

2. The internal pressure type remote water meter suitable for underwater use according to claim 1, wherein the base meter (4) comprises a compression nut (4-1), an anti-slip pad (4-2), a meter case (4-3), a steel pad (4-4), a water inlet (4-5), a water outlet (4-6), a water meter movement (4-7) and a filter screen (4-8); wherein, the left side of the watchcase (4-3) is provided with a water outlet (4-6), the right side is provided with a water inlet (4-5), the central cavity of the watchcase (4-3) is internally provided with a water meter movement (4-7), the upper surface of the water meter movement (4-7) is provided with a steel pad (4-4) and an anti-skid pad (4-2) from bottom to top and is fixed by a compression nut (4-1), and the bottom of the water meter movement (4-7) is provided with a filter screen (4-8).

3. The underwater internal pressure type remote water meter as claimed in claim 1, wherein the circuit box (2) comprises cover glass (2-1), a box inner support (2-2), a special-shaped sealing ring (2-3), a box base (2-4), a magnetic-proof plate (2-5), a liquid crystal screen (2-6), a box character plate (2-7), a circuit board (2-8), a lithium battery (2-9), a perforated outlet structure and a magnetic sensor (2-15); the box inner support (2-2) is arranged inside the box base (2-4), the box character plate (2-7) covers the upper side of the box inner support (2-2), and the surface cover glass (2-1) covers the outer part of the box character plate (2-7) and is connected with the edge of the box base (2-4) through a special-shaped sealing ring (2-3) and is fixed in a sealing manner; the circuit board (2-8) is arranged at the top of the support (2-2) in the box, the liquid crystal screen (2-6) is arranged on the upper surface of the circuit board (2-8), and the lithium battery (2-9) is arranged below the support (2-2) in the box and is connected with the liquid crystal screen (2-6) and the circuit board (2-8); the antimagnetic plate (2-5) is arranged in the center of the bottom of the box base (2-4), the magnetic sensor (2-15) is arranged on the lower surface of the antimagnetic plate (2-5), and the perforated line outlet structure is arranged at a threading hole on one side of the bottom of the box base (2-4); the surface cover glass (2-1) is made of toughened glass, the box base (2-4) is made of stainless steel and is made of high-density materials, so that water molecules cannot penetrate through the shell of the circuit box.

4. The internal pressure type remote water meter suitable for underwater use according to claim 3, wherein the perforated outlet structure comprises a threaded post (2-10), a split ring (2-11), a flat washer (2-12), a rubber ring (2-13) and a single core bus (2-14); wherein the threading posts (2-10) are arranged by penetrating through threading holes at the bottom of the box base (2-4), the upper part of the outer surface of the threading posts is provided with an annular clamping groove, the lower part of the threading posts is provided with a lug boss, the top ends of the threading posts are connected with outgoing lines of the internal circuit board (2-8), and the bottom ends of the threading posts are connected with the single-core bus (2-14); a rubber ring (2-13) is arranged between the threading column (2-10) and the through hole, and the rubber ring (2-13) is tightly pressed with the lower surface of the box base (2-4) through a boss at the lower part of the threading column (2-10); the upper part of the rubber ring (2-13) is provided with an annular flat gasket (2-12), and the split ring (2-11) is inserted into the annular clamping groove of the threading post (2-10) and presses the flat gasket (2-12).