Valveless ultrasonic water meter

Abstract

The utility model discloses a water meter, and particularly relates to a valveless ultrasonic water meter which comprises a meter head, the meter head is connected to a pipeline, a detection pipe is arranged in the pipeline, two sides of the detection pipe are connected with clamping plates, reflecting plates are arranged on the clamping plates, and an ultrasonic sensor is arranged above the reflecting plates. A layer of sealant is arranged at the contact position of the meter head of the water meter and a pipeline, the risk that water enters the meter head can be reduced, in addition, an air bag and inert gas with pressure are arranged in the water meter, the pressure difference between the interior of the meter head and the interior of the pipeline can be reduced, the water inflow possibility is further reduced, and meanwhile when a shell of the meter head is broken or leaks air, the water meter is not damaged. When the pressure in the meter head drops sharply, the air bag expands to isolate the pipeline and the circuit board, so that the gas meter is safer and more reliable and has a good use effect.

Description

Technical Field

[0001] The utility model relates to the technical field of metering equipment, in particular to a valveless ultrasonic water meter. Background Art

[0002] With the advancement of science and technology and the improvement of people's living standards, the demand for water resources is increasing, and higher requirements are also placed on the accuracy and stability of water meters. Although traditional mechanical water meters are widely used, they have disadvantages such as low accuracy and susceptibility to environmental influences. Ultrasonic water meters, as a new type of water meter, are gradually gaining favor with its advantages such as high precision and long life. However, the existing ultrasonic water meters still have some problems in terms of sealing. Due to the poor sealing performance of the water meter, leakage is prone to occur, which not only affects the normal operation of the water meter, but also may cause waste of water resources. In addition, poor sealing performance will also cause the electronic components inside the water meter to be damp and damaged, further affecting the measurement accuracy and service life of the water meter. Therefore, how to improve the sealing performance of ultrasonic water meters is a problem that needs to be solved urgently. Utility Model Content

[0003] In order to solve the problems existing in the above-mentioned prior art, the utility model provides a valveless ultrasonic water meter to solve the current technical problems.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] The utility model provides a valveless ultrasonic water meter, comprising: a meter head, wherein the meter head is connected to a pipeline, a detection tube is arranged inside the pipeline, clamping plates are connected to both sides of the detection tube, a reflection plate is arranged on the clamping plate, and an ultrasonic sensor is arranged above the reflection plate.

[0006] Preferably, a sensor mounting hole is provided on the pipeline, the sensor mounting hole is communicated with the pipeline, and the ultrasonic sensor is installed in the sensor mounting hole.

[0007] Preferably, the ultrasonic sensor is electrically connected to a circuit board.

[0008] Preferably, the back side of the ultrasonic sensor is fixed on the meter head, and a layer of sealant is coated between the meter head and the ultrasonic sensor.

[0009] Preferably, a first battery and a second battery are arranged in the meter head.

[0010] Preferably, an air bag is provided inside the meter head, and the meter head is filled with inert gas.

[0011] Preferably, two metal meshes are arranged inside the meter head, and the airbag is arranged between the two metal meshes.

[0012] The beneficial effects of the utility model are as follows: a layer of sealant is provided at the position where the meter head and the pipeline contact, which can reduce the risk of water entering the meter head; in addition, an air bag and pressurized inert gas are provided inside the water meter, which can reduce the pressure difference between the inside of the meter head and the inside of the pipeline, further reducing the possibility of water entering; at the same time, when the outer shell of the meter head is broken or leaks, the pressure inside the meter head will drop sharply, at this time, the air bag will expand, isolate the pipeline and the circuit board, which is safer and more reliable, and has a good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The above aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0014] Figure 1 It is a structural schematic diagram of a valveless ultrasonic water meter according to an embodiment of the utility model;

[0015] Figure 2 It is a structural schematic diagram of a valveless ultrasonic water meter according to an embodiment of the utility model;

[0016] Figure 3 It is a structural schematic diagram of a valveless ultrasonic water meter according to an embodiment of the utility model.

[0017] Description of Reference Numerals

[0018] exist Figure 1-Figure 3 In the figure, the meter head 1; the circuit board 2; the metal mesh 3; the air bag 4; the sealant 5; the sensor mounting hole 6; the card board 7; the pipeline 8; the reflective plate 9; and the detection tube 10. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The utility model provides a valveless ultrasonic water meter, comprising: a meter head 1, the meter head 1 is connected to a pipe 8, a detection tube 10 is arranged inside the pipe 8, a clamping plate 7 is connected to both sides of the detection tube 10, a reflection plate 9 is arranged on the clamping plate 7, and an ultrasonic sensor is arranged above the reflection plate 9. The meter head 1 is a plastic shell, the detection tube 10 is a round tube, the clamping plate 7 is a plastic block, and the reflection plate 9 is clamped, wherein the detection tube 10, the ultrasonic sensor and the reflection plate 9 can all adopt the existing technology.

[0021] A sensor mounting hole 6 is provided on the pipe 8, the sensor mounting hole 6 is connected to the pipe 8, and the ultrasonic sensor is installed in the sensor mounting hole 6. The ultrasonic sensor is electrically connected to the circuit board 2. The circuit board 2 and its accessory equipment also adopt the existing technology. The present application is to improve the sealing of the existing ultrasonic water meter, and its detection components all adopt the existing technology.

[0022] The back of the ultrasonic sensor is fixed on the meter head 1, and a layer of sealant 5 is applied between the meter head 1 and the ultrasonic sensor. A first battery and a second battery are arranged in the meter head 1. The first battery and the second battery are two batteries, one of which powers the ultrasonic sensor and the other powers other devices.

[0023] An air bag 4 is arranged inside the meter head 1, and an inert gas is filled inside the meter head 1. The air bag 4 can be made of existing technology, such as a balloon made of rubber material.

[0024] Two metal meshes 3 are arranged inside the meter head 1, and the air bag 4 is arranged between the two metal meshes 3. The metal mesh 3 is pasted inside the meter head 1.

[0025] A layer of sealant 5 is provided at the position where the meter head 1 of the water meter contacts the pipe 8, which can reduce the risk of water entering the meter head 1. In addition, an air bag 4 and pressurized inert gas are provided inside the water meter, which can reduce the pressure difference between the inside of the meter head 1 and the inside of the pipe 8, and further reduce the possibility of water entering. At the same time, when the shell of the meter head 1 is broken or leaks, the pressure inside the meter head 1 will drop sharply. At this time, the air bag 4 will expand to isolate the pipe 8 and the circuit board 2, which is safer and more reliable, and has a good use effect.

[0026] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A valveless ultrasonic water meter, comprising: The meter header is characterized in that: the meter header is connected to a pipeline, a detection tube is arranged inside the pipeline, clamps are connected to both sides of the detection tube, a reflection plate is arranged on the clamp, and an ultrasonic sensor is arranged above the reflection plate; the back of the ultrasonic sensor is fixed to the meter header, and a layer of sealant is applied between the meter header and the ultrasonic sensor; an airbag is arranged inside the meter header, and the meter header is filled with inert gas.

2. The valveless ultrasonic water meter according to claim 1, characterized in that: The pipeline is provided with a sensor installation hole, the sensor installation hole is communicated with the pipeline, and the ultrasonic sensor is installed in the sensor installation hole.

3. The valveless ultrasonic water meter according to claim 1, characterized in that: The ultrasonic sensor is electrically connected to the circuit board.

4. The valveless ultrasonic water meter according to claim 1, characterized in that: A first battery and a second battery are arranged in the meter head.

5. The valveless ultrasonic water meter according to claim 1, characterized in that: Two metal nets are arranged inside the meter head, and the air bag is arranged between the two metal nets.

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