CN219416315U - Flowmeter assembly - Google Patents

Abstract

The application discloses flowmeter assembly includes: the shell is provided with a yielding hole on the wall; the flowmeter body is arranged in the shell and comprises a flow detection part and a connection socket which are electrically connected, and the flow detection part is used for detecting the flow of the fluid to be detected; one end of the plug is connected with the connecting socket, and the other end of the plug is connected with an alternating current power supply after extending out of the abdicating hole so as to be used for providing power for the flowmeter body; and the position of the abdication hole is also provided with sealant to seal a gap between the abdication hole and the plug. The scheme adopts an alternating current power supply mode to replace a conventional battery power supply, and the problem of inaccurate detection caused by insufficient battery power is avoided. Meanwhile, the alternating current power supply is adopted for supplying power, and the battery does not need to be additionally replaced, so that the flowmeter does not need to be disassembled, the problem of equipment damage caused by disassembly is avoided, and the difficult problem that the battery is time-consuming and labor-consuming to replace is solved.

Description

Flowmeter assembly

Technical Field

The application relates to the technical field of tobacco production line detection, in particular to a flowmeter assembly.

Background

Flow meters are widely used in the tobacco industry as a material flow rate sensing instrument. Taking a flavoring and feeding procedure as an example, the flavoring and feeding procedure is one of key links in the tobacco shredding process, and the accuracy of sugar (aroma) materials added in the process directly influences the sensory quality of cigarettes, so the procedure is regarded as a key core procedure in the tobacco industry. At present, in order to ensure the blending precision of sugar materials, tobacco production enterprises generally adopt a feeding flowmeter to strictly monitor the sugar material flow, and the accuracy of the feeding flowmeter must be ensured in the whole process so as to provide accurate flow feedback signals for a feeding flow control link.

At present, most of used flowmeters in tobacco production use batteries as power supply modes, however, the flowmeters have the defect that when the battery power is insufficient, the flowmeters cannot work normally, and the accurate detection of sugar materials is affected. In addition, the installation position of a part of flowmeter is higher (about 9 m), and the installation position of a part of flowmeter is remote, so that the battery of the flowmeter is difficult to replace, and the flowmeter is easy to damage in the disassembling process, so that the equipment is influenced to be used continuously.

Disclosure of Invention

In order to solve the defect that in the prior art, when the battery electric quantity is insufficient, the flowmeter can not work normally, the problem of influencing the material detection precision is solved. The embodiment of the application provides a flowmeter assembly, through replacing the power supply mode of flowmeter for alternating current power supply direct power supply, avoided the battery power supply because of the problem that the detection accuracy that the electric quantity is not enough brought reduces and the battery is changed difficultly.

Based on this, the present application provides a flowmeter assembly, comprising:

the shell is provided with a yielding hole on the shell wall;

the flowmeter body is arranged in the shell and comprises a flow detection part and a connection socket which are electrically connected, and the flow detection part is used for detecting the flow of the fluid to be detected;

one end of the plug is connected with the connecting socket, and the other end of the plug is connected with an alternating current power supply after extending out of the abdicating hole so as to be used for providing power for the flowmeter body;

and the position of the abdication hole is also provided with sealant to seal a gap between the abdication hole and the plug.

The scheme adopts an alternating current power supply mode to replace a conventional battery power supply, and the problem of inaccurate detection caused by insufficient battery power is avoided. Meanwhile, the alternating current power supply is adopted for supplying power, and the battery does not need to be additionally replaced, so that the flowmeter does not need to be disassembled, the problem of equipment damage caused by disassembly is avoided, and the difficult problem that the battery is time-consuming and labor-consuming to replace is solved. Specifically, this scheme adopts the plug to be connected with connecting socket to offer the hole of stepping down on the casing of flowmeter, make the plug accessible hole of stepping down stretch out the flowmeter casing outside, and extend to be connected with alternating current power supply, simple structure uses in the production of being convenient for.

In one possible implementation, the flowmeter assembly further includes a power conversion device having a power input and a power output, the ac power source is connected to the power input, the plug is connected to the power output, and the power conversion device is configured to convert ac power provided by the ac power source into dc power and output the dc power to the plug.

In one possible implementation, a switching unit is connected in series between the ac power source and the power input port of the power conversion device, for controlling the on-off of a circuit between the ac power source and the power conversion device.

In one possible implementation, the power conversion device includes a dc switching power supply, and the power input port and the power output port are an input port and an output port of the dc switching power supply, respectively.

In one possible implementation, the flowmeter assembly further includes an antenna housing and a wireless communication module disposed in the antenna housing, the wireless communication module being electrically connected to the flow detection portion and the connection socket, respectively, the antenna housing extending from the housing to an exterior of the housing.

In one possible implementation, the housing includes a first housing and a second housing detachably connected, a cavity for accommodating the flowmeter body is provided in the first housing, and a relief hole is provided in the second housing.

In one possible implementation, the first housing and the second housing are threadably connected.

In one possible implementation, the flowmeter body further includes a cover for covering the flow detection portion and a cylindrical structure surrounding the connection socket, and an upper end surface of the connection socket is located in the cylindrical structure.

In one possible implementation, the cover is integrally formed with the tubular structure.

In one possible implementation, the relief hole is a circular hole, disposed at the center of the shell wall of the housing.

Drawings

FIG. 1 illustrates an exploded view of a flow meter assembly provided in one embodiment of the present application;

FIG. 2 illustrates a partial view of a cover of a flowmeter body provided in one embodiment of the present application;

fig. 3 is a schematic diagram showing a circuit connection between a power conversion device and a flowmeter body according to an embodiment of the present application.

Detailed Description

The present application is further described below in connection with specific embodiments. It is to be understood that the illustrative embodiments of the present disclosure, including but not limited to flow meter assemblies, are described herein with the specific embodiments being merely illustrative of the application and not limiting of the application. Furthermore, for ease of description, only some, but not all, of the structures or processes associated with the present application are shown in the drawings.

Further advantages and effects of the present application will be readily apparent to those skilled in the art from the present disclosure, by describing embodiments of the present application with specific examples. While the description of the present application will be presented in conjunction with the preferred embodiments, it is not intended that the features of this application be limited to only this implementation. Rather, the purpose of the description presented in connection with the embodiments is to cover other alternatives or modifications, which may be extended by the claims based on the present application. The following description contains many specific details in order to provide a thorough understanding of the present application. The present application may be practiced without these specific details. Furthermore, some specific details are omitted from the description in order to avoid obscuring the focus of the application. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.

Referring to fig. 1, an embodiment of the present application provides a flow meter assembly comprising a housing 1, a flow meter body 2 and a plug 3.

Specifically, the casing 1 has a hole 121 for releasing the flow meter, and the flowmeter body 2 is disposed inside the casing 1 and includes a flow detecting portion (not shown) and a connection socket 23 that are electrically connected. Wherein, flow detection portion is used for detecting the flow of measured fluid, and the one end and the connection socket 23 of plug 3 can dismantle the connection, and the other end stretches out the back through hole 121 of stepping down and is connected with alternating current power supply to be used for providing electric power to flowmeter body 2. The position of the abdication hole 121 is also provided with sealant to seal the gap between the abdication hole 121 and the plug 3, so as to prevent dust, materials and other substances from entering the shell 1 from the abdication hole 121 and influence the normal detection of the flowmeter.

Illustratively, as shown in fig. 3, the flowmeter assembly further includes a power conversion device 4 having a power input port and a power output port, an ac power source is connected to the power input port, the plug 3 is connected to the power output port, and the power conversion device 4 is configured to convert ac power provided by the ac power source into dc power and output the dc power to the plug 3. Specifically, the power conversion device comprises a direct-current switch power supply, and the power input port and the power output port are respectively an input port and an output port of the direct-current switch power supply. In some embodiments, the normal operation voltage of the flowmeter is between 5.8V and 7.2V, so that the power conversion device 4 with the power supply current of 5A can be selected from 220V to 6V. Specifically, the power conversion device 4 may employ a direct current switching power supply of the type JMD 10-06.

Illustratively, a switching unit 5 is connected in series between the ac power source and the power input of the power conversion device 4, and the switching unit 5 may be used to control the on-off of the circuit between the ac power source and the power conversion device 4. Specifically, when the flowmeter is not required to be used for detection or the flowmeter is required to be checked and disassembled, the power supply of the power supply to the flowmeter can be disconnected through the switch unit 5, so that the energy consumption is reduced, and the safety of the device is ensured.

Illustratively, as shown in fig. 2, the flowmeter body 2 further includes a cover 21 for covering the flow detecting portion and a cylindrical structure 22 surrounding the connection socket, and an upper end surface of the connection socket 23 is located in the cylindrical structure 22. The cylindrical structure 22 can protect the connection socket 23 from damage caused by collision or extrusion of the housing 1.

Specifically, the cover 21 and the cylindrical structure 22 are integrally formed, and may be made of a metal material. In mounting the flowmeter assembly, the cover 21 outside the flow sensing portion is required to be mounted and the metal is brought into contact with the metal to ensure proper sealing.

In particular, the dimensions of the plug 3 are adapted to the connection socket 23. In some embodiments, the size of the connection socket 23 is 4.3mm, so that a docking plug with a pitch of about 4.3mm may be used as the plug 3 to connect with the connection socket 23.

Illustratively, with continued reference to fig. 1, the flowmeter body 2 further includes an antenna housing 6 and a wireless communication module (not shown) disposed in the antenna housing 6, the wireless communication module being electrically connected to the flow detection portion and the connection socket 23, respectively, and the antenna housing 6 extending from the housing 1 to the outside of the housing 1.

Illustratively, the housing 1 includes a first housing 11 and a second housing 12 that are detachably connected, a cavity for accommodating the flowmeter body 2 is provided in the first housing 11, and a relief hole 121 is provided in the second housing 12. Optionally, the inner side walls of the first housing 11 and the second housing 12 are provided with threads, and the two are connected through threads.

Specifically, the relief hole 121 is located at the center position of the second housing 12, which may be a circular through hole having a diameter of 4 mm. During installation, the tail part of the connector can penetrate out of the flowmeter body 2 through the yielding hole 121, then the first shell 11 and the second shell 12 are screwed tightly, correct sealing is ensured, the yielding hole 121 is sealed by sealant after the installation is completed, and foreign matters are prevented from entering the flowmeter shell 1.

Compared with battery power supply, the flowmeter assembly provided by the utility model has more stable power supply performance, can avoid the problem of inaccurate detection caused by insufficient battery power, does not need to replace a battery, and solves the trouble of difficult disassembly of the flowmeter caused by operators. In addition, the utility model discloses still set up switch element and power conversion equipment in this application, further guaranteed the steady supply of flowmeter electric power. In addition, the cylindrical mechanism is also arranged to protect the connecting socket, so that the service life of the device is prolonged.

While the utility model has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a further detailed description of the utility model with reference to specific embodiments, and it is not intended to limit the practice of the utility model to those descriptions. Various changes in form and detail may be made therein by those skilled in the art, including a few simple inferences or alternatives, without departing from the spirit and scope of the present utility model.

Claims (10)

1. A flow meter assembly, comprising:

the shell is provided with a yielding hole on the shell wall;

the flowmeter body is arranged in the shell and comprises a flow detection part and a connection socket which are electrically connected, wherein the flow detection part is used for detecting the flow of a fluid to be detected;

one end of the plug is connected with the connecting socket, and the other end of the plug extends out through the yielding hole and is connected with an alternating current power supply so as to provide power for the flowmeter body;

and the position of the abdication hole is also provided with sealant to seal a gap between the abdication hole and the plug.

2. The flowmeter assembly of claim 1 further comprising a power conversion device having a power input and a power output, wherein the ac power source is coupled to the power input and the plug is coupled to the power output, and wherein the power conversion device is configured to convert ac power provided by the ac power source to dc power for output to the plug.

3. The flowmeter assembly of claim 2 wherein a switching unit is connected in series between the ac power source and the power input of the power conversion device for controlling the switching of a circuit between the ac power source and the power conversion device.

4. A flow meter assembly as claimed in claim 2 or claim 3, wherein the power conversion means comprises a dc switching power supply, the power input and power output being the input and output of the dc switching power supply respectively.

5. The flowmeter assembly of claim 1 further comprising an antenna housing and a wireless communication module disposed within the antenna housing, the wireless communication module being electrically connected to the flow sensing portion and the connection socket, respectively, the antenna housing extending from the housing to an exterior of the housing.

6. The flowmeter assembly of claim 1, wherein the housing comprises a first housing and a second housing removably connected, the first housing having a cavity disposed therein for receiving the flowmeter body, the second housing having the relief aperture disposed therein.

7. The flowmeter assembly of claim 6 wherein said first housing and said second housing are threadably connected.

8. The flowmeter assembly of claim 1 wherein said flowmeter body further comprises a cover for covering said flow sensing portion and a tubular structure surrounding said connection socket, an upper end surface of said connection socket being located within said tubular structure.

9. The flowmeter assembly of claim 8 wherein said cover is integrally formed with said tubular structure.

10. The flowmeter assembly of claim 1 wherein said relief bore is a circular bore disposed at a center of a wall of said housing.