Water control machine

Abstract

The utility model belongs to the technical field of metering equipment, and provides a water control machine which comprises a pipe body, a card swiping control panel arranged outside the pipe body, an electromagnetic valve connected with the card swiping control panel and a flow metering mechanism connected with the card swiping control panel. The flow metering mechanism comprises an ultrasonic metering transmitting probe and an ultrasonic metering receiving probe which are connected with the card swiping control panel, and the ultrasonic metering transmitting probe and the ultrasonic metering receiving probe are arranged at the position, close to the water outlet side, in the pipe body in a spaced mode. According to the water control machine, ultrasonic pulses are sent into fluid through the ultrasonic metering transmitting probe, then the ultrasonic metering receiving probe receives reflected ultrasonic signals, the time difference from transmitting to receiving is measured through the card swiping control panel, and the flow velocity is calculated in combination with the sound velocity of the fluid; therefore, accurate flow measurement can be realized.

Description

Technical Field

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

[0002] The water control machine mainly consists of three parts: card swiping control board, IC card and signal base meter. The card swiping control board is the core of the water control machine. It is responsible for the control of the sampling, billing, display and other units of the water control machine. At the same time, it takes corresponding measures in time according to the running status of the water control machine, and then saves the important running data for later use and analysis.

[0003] The existing card swiping control board of the water control machine includes a card reading module, a switch control module, and a flow metering module, wherein the flow metering module is connected to a mechanical flow meter. However, the mechanical flow meter calculates the flow by rotating a turntable driven by water flow, and the calculation accuracy is low. Utility Model Content

[0004] The utility model aims to provide a water control machine to solve the problem of low calculation accuracy of the existing water control machine.

[0005] The utility model provides a water control machine, comprising a pipe body, a card swiping control board arranged outside the pipe body, an electromagnetic valve connected to the card swiping control board, and a flow metering mechanism connected to the card swiping control board, wherein the electromagnetic valve is arranged inside the pipe body, and the flow metering mechanism comprises an ultrasonic metering transmitting probe and an ultrasonic metering receiving probe connected to the card swiping control board, and the ultrasonic metering transmitting probe and the ultrasonic metering receiving probe are arranged at intervals inside the pipe body near the water outlet side.

[0006] The above-mentioned water control machine sends ultrasonic pulses into the fluid through the ultrasonic metering transmitting probe, and then the ultrasonic metering receiving probe receives the reflected ultrasonic signal. The time difference from transmission to reception is measured by the card swiping control panel, and the flow velocity is calculated in combination with the fluid sound velocity. Since ultrasonic propagation is affected by the flow velocity, accurate flow measurement can be achieved.

[0007] Furthermore, the tube body and the positions corresponding to the ultrasonic metrology transmitting probe and the ultrasonic metrology receiving probe are provided with plugging holes, and the ultrasonic metrology transmitting probe and the ultrasonic metrology receiving probe are connected to the corresponding plugging holes through a sealing structure.

[0008] Furthermore, the sealing structure includes a sealing sleeve sleeved around the ultrasonic metrology transmitting probe and the ultrasonic metrology receiving probe and a sealing cover arranged outside the plug hole, and the plug hole and the sealing sleeve are transitionally matched.

[0009] Furthermore, the card swiping control board includes a card reading module, a switch control module, and a flow metering module. The switch control module is connected to the solenoid valve, and the flow metering module is connected to the ultrasonic metering transmitting probe and the ultrasonic metering receiving probe.

[0010] Furthermore, a limiting step is provided on the lower side of the side wall of the plug hole, and the sealing sleeve is arranged on the limiting step.

[0011] Furthermore, a plurality of longitudinally arranged sealing grooves are provided on the side of the plug hole.

[0012] Furthermore, the ultrasonic metrology transmitting probe and the ultrasonic metrology receiving probe are provided with a plurality of sealing protrusions at positions corresponding to the corresponding sealing grooves.

[0013] Furthermore, the sealing cover is threadedly connected to the tube body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a cross-sectional structural diagram of the water control machine in the first embodiment of the utility model;

[0015] Figure 2 It is a schematic cross-sectional structure diagram of a water control machine in another embodiment of the utility model;

[0016] Figure 3 It is a schematic diagram of the enlarged structure of the ultrasonic metering transmitting probe in the water control machine in another embodiment of the utility model.

[0017] Description of main component symbols:

[0018] tube body 10 Flow metering module 23 Sealed structure 50 Socket 11 Solenoid valve 30 Sealing sleeve 51 Card swipe control panel 20 Flow Measuring Mechanism 40 Sealing cover 52 Card reader module 21 Ultrasonic measurement transmitter probe 41 Sealing bulge 60 Switch control module 22 Ultrasonic measurement receiving probe 42

[0019] The following specific implementation manner will further illustrate the present utility model in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively with reference to the relevant drawings. Several embodiments of the utility model are given in the drawings. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0023] See also Figure 1 A water control machine provided by an embodiment of the utility model comprises a pipe body 10, a card swiping control board 20 arranged outside the pipe body 10, a solenoid valve 30 connected to the card swiping control board 20, and a flow metering mechanism 40 connected to the card swiping control board 20, wherein the solenoid valve 30 is arranged in the pipe body 10, and the flow metering mechanism 40 comprises an ultrasonic metering transmitting probe 41 and an ultrasonic metering receiving probe 42 connected to the card swiping control board 20, and the ultrasonic metering transmitting probe 41 and the ultrasonic metering receiving probe 42 are arranged at intervals inside the pipe body 10 near the water outlet side.

[0024] The above-mentioned water control machine sends ultrasonic pulses into the fluid through the ultrasonic metering transmitting probe 441, and then the ultrasonic metering receiving probe 42 receives the reflected ultrasonic signal, and measures the time difference from transmission to reception through the card swiping control board 20, and calculates the flow rate in combination with the fluid sound velocity. Since ultrasonic propagation is affected by the flow velocity, accurate flow measurement can be achieved.

[0025] See also Figure 2 and Figure 3 In one embodiment of the utility model, the tube body 10 and the positions corresponding to the ultrasonic metering transmitting probe 41 and the ultrasonic metering receiving probe 42 are all provided with plug-in holes 11, and the ultrasonic metering transmitting probe 41 and the ultrasonic metering receiving probe 42 are connected to the corresponding plug-in holes 11 through a sealing structure 50. When in use, it is only necessary to insert the ultrasonic metering transmitting probe 41 and the ultrasonic metering receiving probe 42 into the corresponding plug-in holes 11, and the connection between the ultrasonic metering transmitting probe 41 and the ultrasonic metering receiving probe 42 and the corresponding plug-in holes 11 is sealed by the sealing structure 50, so as to play a role of sealing and leak prevention, and the ultrasonic metering transmitting probe 41 and the ultrasonic metering receiving probe 42 are easy to install.

[0026] In one embodiment of the utility model, the sealing structure 50 includes a sealing sleeve 51 sleeved on the outer periphery of the ultrasonic metrology transmitting probe 41 and the ultrasonic metrology receiving probe 42 and a sealing cover 52 disposed on the outer side of the plug hole 11, and the plug hole 11 is transitionally matched with the sealing sleeve 51. The sealing sleeve 51 is squeezed by the ultrasonic metrology transmitting probe 41 and the ultrasonic metrology receiving probe 42 to play a sealing role, and the sealing cover 52 protects the ultrasonic metrology transmitting probe 41 and the ultrasonic metrology receiving probe 42.

[0027] In one embodiment of the utility model, the card swiping control board 20 includes a card reading module 21, a switch control module 22, and a flow metering module 23. The switch control module 22 is connected to the solenoid valve 30, and the flow metering module 23 is connected to the ultrasonic metering transmitting probe 41 and the ultrasonic metering receiving probe 42. Specifically, the card reading module 21 is used to read the information of the user's IC card so as to supply water to the IC with sufficient fees. When it is detected that the IC card fee is sufficient, the card swiping control board 20 opens the solenoid valve 30 through the switch control module 22, so that water flows out of the water outlet end of the tube body 10, and then collects and calculates the water flow rate through the flow metering module 23, and then accurately calculates the water flow rate according to the value of the ultrasonic propagation affected by the flow rate.

[0028] In one embodiment of the utility model, a limiting step (not shown) is provided on the lower side of the side wall of the plug hole 11 , and the sealing sleeve 51 is provided on the limiting step to prevent the sealing sleeve 51 from falling into the tube body 10 .

[0029] In one embodiment of the utility model, a plurality of longitudinally arranged sealing grooves (not shown) are provided on the side of the plug hole 11. When in use, the sealing sleeve 51 is deformed by force and squeezed into the sealing grooves, thereby increasing the contact area between the sealing sleeve 51 and the plug hole 11, thereby improving the sealing effect. In one embodiment of the utility model, the sealing sleeve 51 can be a rubber sleeve.

[0030] In one embodiment of the present invention, please refer to Figure 3 The ultrasonic metering transmitting probe 41 and the ultrasonic metering receiving probe 42 are provided with multiple sealing protrusions 60 at positions corresponding to the corresponding sealing grooves to increase the pressure on the contact end of the sealing sleeve 51 and the plug-in hole 11, further improving the sealing effect.

[0031] In one embodiment of the utility model, the sealing cover 52 is threadedly connected to the tube body 10 to facilitate maintenance of the ultrasonic metering transmitting probe 41 and the ultrasonic metering receiving probe 42. When in use, the corresponding installation position can be integrally injection-molded on the tube body 10 to install the ultrasonic metering transmitting probe 41 and the ultrasonic metering receiving probe 42.

[0032] The above-mentioned embodiments only express several implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A water control machine, comprising a pipe body, a card swiping control board arranged outside the pipe body, a solenoid valve connected to the card swiping control board, and a flow metering mechanism connected to the card swiping control board, wherein the solenoid valve is arranged inside the pipe body, and is characterized in that: The flow metering mechanism comprises an ultrasonic metering transmitting probe and an ultrasonic metering receiving probe connected to the card swiping control board. The ultrasonic metering transmitting probe and the ultrasonic metering receiving probe are arranged at intervals inside the pipe body near the water outlet side.

2. The water control machine according to claim 1, characterized in that: The tube body and the positions corresponding to the ultrasonic metering transmitting probe and the ultrasonic metering receiving probe are all provided with plugging holes, and the ultrasonic metering transmitting probe and the ultrasonic metering receiving probe are all connected to the corresponding plugging holes through a sealing structure.

3. The water control machine according to claim 2, characterized in that: The sealing structure comprises a sealing sleeve sleeved on the periphery of the ultrasonic metering transmitting probe and the ultrasonic metering receiving probe and a sealing cover arranged on the outside of the plug hole, and the plug hole and the sealing sleeve are transitionally matched.

4. The water control machine according to claim 1, characterized in that: The card swiping control board includes a card reading module, a switch control module, and a flow metering module. The switch control module is connected to the solenoid valve, and the flow metering module is connected to the ultrasonic metering transmitting probe and the ultrasonic metering receiving probe.

5. The water control machine according to claim 3, characterized in that: A limiting step is provided on the lower side of the side wall of the plug hole, and the sealing sleeve is arranged on the limiting step.

6. The water control machine according to claim 3, characterized in that: A plurality of longitudinally arranged sealing grooves are provided on the side of the plug-in hole.

7. The water control machine according to claim 6, characterized in that: The ultrasonic metering transmitting probe and the ultrasonic metering receiving probe are provided with a plurality of sealing protrusions at positions corresponding to the corresponding sealing grooves.

8. The water control machine according to claim 3, characterized in that: The sealing cover is threadedly connected to the tube body.

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