CN217585905U - Ultrasonic water meter - Google Patents
Ultrasonic water meter Download PDFInfo
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- CN217585905U CN217585905U CN202220684835.3U CN202220684835U CN217585905U CN 217585905 U CN217585905 U CN 217585905U CN 202220684835 U CN202220684835 U CN 202220684835U CN 217585905 U CN217585905 U CN 217585905U
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- water meter
- circuit board
- ultrasonic water
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Abstract
The utility model relates to a metering device. The purpose provides an ultrasonic water meter, and this water meter should have that waterproof performance is good, maintain convenient characteristics. The technical scheme is as follows: an ultrasonic water meter comprises a measuring tube provided with a measuring component and a collecting device fixed with the measuring tube; the method is characterized in that: a transparent glue pouring box, a circuit board assembly and a battery are arranged inside a shell of the collecting device; the circuit board assembly is packaged in the transparent potting adhesive box through potting adhesive; the number of the batteries is two, and each battery is packaged in the battery barrel through the pouring sealant; the circuit board assembly is electrically connected with the measuring assembly, and the battery supplies power to the circuit board assembly and the measuring assembly.
Description
Technical Field
The utility model relates to a metering device specifically is an ultrasonic water meter.
Background
The ultrasonic water meter is a novel water meter, the working principle of the ultrasonic water meter is that the water flow speed is calculated by using the change of the propagation speed of an ultrasonic sound beam in water, and the ultrasonic water meter has the advantages of high measurement precision, stable work, long service life and the like because no movable part exists inside the water meter. However, the water meter needs to work in a dark and humid severe environment for a long time, and has higher requirements on waterproof and moistureproof performances, and the existing ultrasonic water meter has the defects of poor sealing performance and inconvenient maintenance, so that the service life is short, the maintenance cost is higher, and further improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming not enough among the above-mentioned background art, providing an ultrasonic water meter, this water meter should have that waterproof performance is good, maintain convenient characteristics.
The technical scheme of the utility model is that:
an ultrasonic water meter comprises a measuring tube provided with a measuring component and a collecting device fixed with the measuring tube; the method is characterized in that: a transparent glue pouring box, a circuit board assembly and a battery are arranged inside the shell of the collecting device; the circuit board assembly is packaged in the transparent potting adhesive box through potting adhesive; the number of the batteries is two, and each battery is packaged in the battery barrel through the pouring sealant; the circuit board assembly is electrically connected with the measuring assembly, and the battery supplies power to the circuit board assembly and the measuring assembly.
The circuit board assembly comprises a circuit board, an antenna, an infrared transceiving sensor and a display screen.
The shell consists of a bottom cover and a main bin; the bottom is fixed with surveying buret, be equipped with on the main storehouse with display screen complex observation window and with infrared receiving and dispatching sensor complex signal window.
The inner wall of the transparent glue filling box is provided with a first check ring and a second check ring, the first check ring is provided with a first sealing ring used for surrounding the periphery of the display screen, and the second check ring is provided with a second sealing ring used for surrounding the periphery of the infrared transceiving sensor.
Two battery seats for placing batteries are arranged on the bottom cover, and a buckle for fixing the batteries is arranged on each clamping seat; the bottom cover is also provided with a connecting column for fixing the transparent glue pouring box.
The measuring component comprises a reflecting table fixed in the measuring tube, and a transducer and a temperature sensor fixed on the wall of the measuring tube.
The measuring tube wall is provided with a first measuring hole and a second measuring hole, the transducer is fixed in the first measuring hole through the pressing plate, and the temperature sensor is fixed in the second measuring hole through the threaded structure.
The bottom cover is fixed with the measuring pipe through the pressing plate.
The main bin is provided with a rotatable meter cover.
The utility model has the advantages that:
the utility model is internally provided with the transparent potting compound box, the circuit board assembly is encapsulated in the transparent potting compound box through the potting compound, the structure is simple, the production is convenient, the sealing performance is good, and the service life of the circuit board can be effectively prolonged; meanwhile, the battery is packaged in the battery barrel through the pouring sealant, the sealing performance is guaranteed through the integrated packaging design, the packaged new battery can be directly replaced during later maintenance, and the workload is reduced.
Drawings
Fig. 1 is one of the schematic perspective views of the present invention.
Fig. 2 is a second schematic perspective view of the present invention.
Fig. 3 is a schematic view of the structure of the present invention.
Fig. 4 isbase:Sub>A schematic sectional view taken along the linebase:Sub>A-base:Sub>A in fig. 3.
Fig. 5 is an exploded view of the present invention.
Fig. 6 is a schematic three-dimensional structure of the measuring tube and the measuring assembly of the present invention.
Fig. 7 is a schematic perspective view of the measuring tube of the present invention.
Fig. 8 is a schematic perspective view of the pressing plate of the present invention.
Fig. 9 is a schematic perspective view of the circuit board assembly of the present invention.
Fig. 10 is an exploded view of the circuit board assembly of the present invention.
Fig. 11 is a schematic perspective view of the transparent potting compound box of the present invention.
Fig. 12 is a schematic perspective view of the transparent potting compound box and the circuit board assembly of the present invention.
Fig. 13 is a schematic perspective view of the bottom cover of the present invention.
Fig. 14 is a schematic perspective view of the main bin of the present invention.
Fig. 15 is a schematic perspective view of the watch cover of the present invention.
Fig. 16 is a schematic sectional view of the battery barrel of the present invention.
Detailed Description
The present invention will be further described with reference to the drawings attached to the specification, but the present invention is not limited to the following embodiments.
As shown in fig. 1, an ultrasonic water meter includes a measuring tube 1 and a collecting device.
The measuring tube is a hollow tube, a first measuring hole 1.1 and a second measuring hole 1.2 are arranged on the tube wall of the measuring tube, and the second measuring hole is arranged between the two first measuring holes. The measuring tube is provided with a measuring component which comprises two reflecting tables 5, two transducers 6 and a temperature sensor 7. The transducer is placed in a first measuring hole and is pressed and fixed through a pressing plate 8 (the first measuring hole is a step hole, the transducer is located in a large hole of the step hole), the reflecting table is fixed in an inner cavity of the measuring pipe, a reflecting table is arranged below each transducer, an emitting surface (or a receiving surface) of the transducer is aligned to a reflecting surface of the reflecting table below, an included angle of 45 degrees is formed between the emitting surface (or the receiving surface) and the reflecting surface, and an included angle of 90 degrees is formed between the reflecting surfaces of the two reflecting tables. The temperature sensor is fixed in the second measuring hole through a thread structure, and the thread structure comprises an internal thread made in the second measuring hole and an external thread made on the outer wall of the temperature sensor. Be equipped with first connecting hole 8.1 and second connecting hole 8.2 on the clamp plate, be equipped with the third connecting hole 1.3 that corresponds with first connecting hole on the survey buret.
When the measuring assembly works, the two transducers are respectively used for transmitting and receiving ultrasonic waves, the reflecting table is used for controlling the propagation direction of the ultrasonic waves in the measuring pipe, and the water flow speed is calculated by measuring the transmission time of the ultrasonic waves.
The collection system is fixed on the measuring pipe and comprises a shell, and a transparent potting compound box 2, a circuit board assembly and a battery 3 which are arranged inside the shell. The circuit board assembly is packaged in the transparent potting adhesive box through the potting adhesive, so that the sealing performance is effectively enhanced, the circuit board assembly is prevented from being affected with damp, and the service life of the circuit board assembly is prolonged.
The circuit board assembly comprises a circuit board 9, an antenna 9.1, an infrared transceiving sensor 9.2 and a display screen 9.3. The circuit board is electrically connected with the transducer 6 and the temperature sensor 7 of the measuring component, the antenna is used for sending data to an external remote platform, the infrared receiving and sending sensor is used for carrying out data transmission with the meter reader, and the display screen is used for displaying parameters of the water meter.
The infrared transceiving sensor and the display screen are arranged between the circuit board and the transparent potting box, a first retainer ring 2.1 corresponding to the position of the display screen and a second retainer ring 2.2 corresponding to the position of the infrared transceiving sensor are arranged on the inner wall (the side facing the circuit board) of the transparent potting box, the outline of the first retainer ring is slightly larger than that of the display screen, and the outline of the second retainer ring is slightly larger than that of the infrared transceiving sensor. The first check ring is provided with a first sealing ring 10.1 which surrounds the display screen and blocks a gap between the first check ring and the circuit board, the second check ring is provided with a second sealing ring 10.2 which surrounds the infrared transceiving sensor and blocks a gap between the second check ring and the circuit board. Therefore, the display screen is wrapped in the sealed cavity (isolated from the potting adhesive) formed by the transparent potting adhesive box, the circuit board, the first check ring and the first sealing ring, the infrared transceiving sensor is wrapped in the sealed cavity (isolated from the potting adhesive) formed by the transparent potting adhesive box, the circuit board, the second check ring and the second sealing ring, and the display screen and the infrared transceiving sensor are not interfered by the potting adhesive. The circuit board is completely encapsulated and encapsulated in the potting adhesive, and the end part of the antenna extends out of the potting adhesive.
The battery is to circuit board subassembly and measurement element power supply, and the quantity of battery is two, effectively prolongs collection system's operating time, has reduced the later maintenance work load, and every battery all encapsulates in solitary battery bucket 4 through the casting glue, and the battery is again through wire electric connection circuit board subassembly and the measurement element who passes casting glue and battery bucket, can avoid the battery to receive the steam influence, has prolonged life.
The shell consists of a bottom cover 11 and a main bin 12. The bottom is fixed with surveying buret, is equipped with respectively on the bottom and is used for installing the battery seat 11.1 of battery, sets up the spliced pole 11.3 that is used for connecting the spliced pole of transparent encapsulating box in the buckle 11.2 that is used for pressing from both sides tight battery in the battery seat. The buckle is arc-shaped and bent (is suitable for the appearance of the battery barrel), and the buckle can be ensured to tightly fix the battery barrel.
The bottom cover is fixed with the measuring pipe through the pressing plate, and a fourth connecting hole 11.4 corresponding to the second connecting hole is formed in the bottom cover. And the main bin is provided with an observation window 12.1 matched with the display screen and a signal window 12.2 matched with the infrared transceiving sensor. The staff accessible observation window reads the parameter that the display screen shows, and the staff can carry out data interchange (infrared signal can penetrate transparent encapsulating box and casting glue) with infrared transceiver sensor when aiming at the signal window with the meter reading ware, realizes meter reading, parameter setting and equipment maintenance.
Still be equipped with magnet steel 12.3 on the main storehouse, be equipped with on the circuit board with magnet steel complex sensor (omit in the figure), the circuit board can detect the magnet steel position and change when the main storehouse is opened by force, the circuit board sends the signal to outside remote platform this moment and reports to the police and points out.
The first sealing ring and the second sealing ring are made of silica gel. The measuring assembly and the circuit board assembly are both in the prior art and can be obtained by outsourcing. The pouring sealant is polyurethane pouring sealant. The transparent glue filling box is made of transparent materials (such as acrylic materials).
Claims (9)
1. An ultrasonic water meter comprises a measuring tube (1) provided with a measuring component and a collecting device fixed with the measuring tube; the method is characterized in that: a transparent glue pouring box (2), a circuit board assembly and a battery (3) are arranged inside a shell of the collecting device; the circuit board assembly is packaged in the transparent potting adhesive box through potting adhesive; the number of the batteries is two, and each battery is packaged in a battery barrel (4) through pouring sealant; the circuit board assembly is electrically connected with the measuring assembly, and the battery supplies power to the circuit board assembly and the measuring assembly.
2. An ultrasonic water meter as set forth in claim 1, wherein: the circuit board assembly comprises a circuit board (9), an antenna (9.1), an infrared transceiving sensor (9.2) and a display screen (9.3).
3. An ultrasonic water meter as claimed in claim 2, wherein: the shell consists of a bottom cover (11) and a main bin (12); the bottom cover is fixed with the measuring pipe, and the main bin is provided with an observation window (12.1) matched with the display screen and a signal window (12.2) matched with the infrared transceiving sensor.
4. An ultrasonic water meter as set forth in claim 3, wherein: the inner wall of the transparent glue filling box is provided with a first check ring (2.1) and a second check ring (2.2), the first check ring is provided with a first sealing ring (10.1) used for surrounding the periphery of the display screen, and the second check ring is provided with a second sealing ring (10.2) used for surrounding the periphery of the infrared transceiving sensor.
5. An ultrasonic water meter as set forth in claim 4, wherein: two battery seats (11.1) for placing batteries are arranged on the bottom cover, and a buckle (11.2) for fixing the batteries is arranged on each card seat; the bottom cover is also provided with a connecting column (11.3) for fixing the transparent glue filling box.
6. An ultrasonic water meter as set forth in claim 5, wherein: the measuring component comprises a reflecting table (5) fixed in the measuring tube, and a transducer (6) and a temperature sensor (7) fixed on the wall of the measuring tube.
7. An ultrasonic water meter as set forth in claim 6, wherein: the measuring tube is characterized in that a first measuring hole (1.1) and a second measuring hole (1.2) are formed in the wall of the measuring tube, the transducer is fixed in the first measuring hole through a pressing plate (8), and the temperature sensor is fixed in the second measuring hole through a threaded structure.
8. An ultrasonic water meter as claimed in claim 7, wherein: the bottom cover is fixed with the measuring pipe through the pressing plate.
9. An ultrasonic water meter as set forth in claim 8, wherein: the main bin is provided with a rotatable meter cover (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220684835.3U CN217585905U (en) | 2022-03-28 | 2022-03-28 | Ultrasonic water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220684835.3U CN217585905U (en) | 2022-03-28 | 2022-03-28 | Ultrasonic water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217585905U true CN217585905U (en) | 2022-10-14 |
Family
ID=83542028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220684835.3U Active CN217585905U (en) | 2022-03-28 | 2022-03-28 | Ultrasonic water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217585905U (en) |
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2022
- 2022-03-28 CN CN202220684835.3U patent/CN217585905U/en active Active
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