CN217465887U - Double-display flowmeter - Google Patents

Abstract

The utility model relates to a flowmeter technical field specifically discloses a two apparent flowmeters, include: an isolation cover; the transmission shaft is rotatably arranged and is positioned inside the isolation cover; the signaling disc is movably connected with the outer wall of the isolation cover; the magnetic coupling structure is used for outputting a mechanical signal of the rotation of the signaling disc and comprises an inner magnetic ring and an outer magnetic ring corresponding to the inner magnetic ring in position, wherein the outer magnetic ring is sleeved on the transmission shaft, the inner magnetic ring is arranged in the signaling disc, and the isolation cover is positioned between the inner magnetic ring and the outer magnetic ring; and the electronic signal generating assembly is used for receiving and transmitting the action condition of the message sending disc. The magnetic coupling structure and the electronic signal generation assembly are integrated on one part, mechanical signals and electronic signals can be output outwards at the same time, and double display of the flowmeter is achieved.

Description

Double-display flowmeter

Technical Field

The utility model relates to a flowmeter technical field specifically discloses a two apparent flowmeters.

Background

The flowmeter only adopts mechanical display or only adopts electronic liquid crystal display when in measurement display. Because only mechanical display and only electronic liquid crystal display are adopted, only a single counting source is provided, counting errors are not easy to find, and the accuracy of metering is influenced.

SUMMERY OF THE UTILITY MODEL

The present invention aims to solve the above technical problems in the related art at least to some extent. Therefore, the utility model provides a two apparent flowmeters solves above-mentioned at least one technical problem.

In order to achieve the above object, the present invention provides in a first aspect a dual display flowmeter, comprising:

an isolation cover;

the transmission shaft is rotatably arranged and is positioned inside the isolation cover; the signaling disc is movably connected with the outer wall of the isolation cover;

the magnetic coupling structure is used for outputting a mechanical signal of the rotation of the signaling disc and comprises an inner magnetic ring and an outer magnetic ring corresponding to the inner magnetic ring in position, wherein the outer magnetic ring is sleeved on the transmission shaft, the inner magnetic ring is arranged in the signaling disc, and the isolation cover is positioned between the inner magnetic ring and the outer magnetic ring;

and the electronic signal generating assembly is used for receiving and transmitting the action condition of the message sending disc.

In addition, the dual display flowmeter of the utility model can also have the following additional technical characteristics:

according to some embodiments of the present invention, further comprising: and the driving piece is connected with the signaling disc and is used for driving the signaling disc to rotate.

According to some embodiments of the invention, the electronic signal generating assembly comprises: the signal generating device is installed on the signaling disc, and the signal receiving device is installed on the isolation cover and matched with the signal generating device in position.

According to some embodiments of the invention, the signal generating device is selected from magnetic steel, and the signal receiving device is selected from hall sensor.

According to some embodiments of the present invention, further comprising:

and the fixing ring is sleeved on the isolation cover and is coaxially arranged with the isolation cover.

According to some embodiments of the utility model, keep apart the lid with be provided with the stopper between the transmission shaft, the transmission shaft with stopper rotatable coupling.

According to some embodiments of the invention, the signalling disc is arranged coaxially with the isolation cover.

According to some embodiments of the invention, the drive member is selected from a gear or a drive shaft; the gear sleeve is arranged at one end of the signaling disc, which is far away from the fixing ring.

According to some embodiments of the invention, the number of signal generating devices is greater than or equal to 1.

According to some embodiments of the present invention, further comprising:

and the processor is connected with the magnetic coupling structure and the electronic signal generating assembly and is used for judging whether the dual-display flowmeter is abnormal or not according to the comparison result of the output signals of the magnetic coupling structure and the electronic signal generating assembly.

Compared with the prior art, the utility model discloses following beneficial effect has:

this application takes place the subassembly with magnetic coupling structure and electronic signal and integrates to a part on, can outwards output mechanical signal and electronic signal simultaneously, utilizes mechanical signal and electronic signal data to compare to judge whether signal output appears unusually.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a cross-sectional view of a dual display flowmeter according to an embodiment of the present invention.

The reference numbers are as follows:

the dual-display flowmeter comprises a dual-display flowmeter 100, a fixing ring 10, an isolation cover 11, a transmission shaft 12, a signaling disc 13, a limiting block 14, an inner magnetic ring 15, an outer magnetic ring 16, a driving piece 17, a signal generating device 18 and a signal receiving device 19.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, elements, and/or components, but do not preclude the presence or addition of one or more other features, elements, components, and/or groups thereof.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first", "second", may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

For convenience of description, spatially relative terms, such as "bottom," "front," "upper," "oblique," "lower," "top," "inner," "horizontal," "outer," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. This spatially relative relationship is intended to encompass different orientations of the mechanism in use or operation in addition to the orientation depicted in the figures. For example, if the mechanism in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below.

Referring to fig. 1, an embodiment of the present invention provides a dual display flowmeter 100, which includes a fixing ring 10, an isolation cover 11, a transmission shaft 12, a signaling disc 13, a magnetic coupling structure, an electronic signal generating assembly, and a processor, wherein the fixing ring 10 is sleeved on the isolation cover 11 and coaxially disposed with the isolation cover 11, a limit block 14 is disposed between the isolation cover 11 and the transmission shaft 12, and the transmission shaft 12 is rotatably connected with the limit block 14 and coaxially disposed with the transmission shaft 12. The transmission disc 13 is arranged coaxially with the isolation cover 11. The transmission shaft 12 is rotatably arranged and is positioned inside the isolation cover 11; the signaling disc 13 is movably connected with the outer wall of the isolation cover 11; the magnetic coupling structure is used for outputting a mechanical signal of the rotation of the signaling disc 13 and comprises an inner magnetic ring 15 and an outer magnetic ring 16 corresponding to the inner magnetic ring 15 in position, wherein the outer magnetic ring 16 is sleeved on the transmission shaft 12, the inner magnetic ring 15 is arranged in the signaling disc 13, and the isolation cover 11 is positioned between the inner magnetic ring 15 and the outer magnetic ring 16; the electronic signal generating assembly is used for outputting an electronic signal generated by rotation of the signaling disc 13, the electronic signal generating assembly can be selected from any one of a magnetic induction sensor, a photoelectric sensor and a proximity switch sensor, and the processor is connected with the magnetic coupling structure and the electronic signal generating assembly and used for judging whether the dual-display flow meter is abnormal or not according to a comparison result of output signals of the magnetic coupling structure and the electronic signal generating assembly.

Specifically, this application takes place the subassembly with magnetic coupling structure and electronic signal and integrates to a part on, can outwards output mechanical signal and electronic signal simultaneously, utilizes mechanical signal and electronic signal data to compare to judge whether signal output appears unusually.

In this embodiment, with continued reference to FIG. 1, dual apparent flow meter 100 includes a drive member 17 coupled to message disk 13 for driving rotation of message disk 13. In particular, the drive element 17 can be a gear or a drive shaft, which is arranged on the end of the signalling disk 13 remote from the fastening ring 10. When the driving member 17 drives the signal disc 13 to rotate, the inner magnetic ring 15 also rotates, and then acts with the outer magnetic ring 16 to generate a magnetic field change, and finally drives the transmission shaft 12 to rotate to output a mechanical signal.

Further, with continued reference to fig. 1, the electronic signal generating assembly includes: a signal generating device 18 and a signal receiving device 19, wherein the signal generating device 18 is installed on the message sending plate 13, and the signal receiving device 19 is installed on the isolation cover 11 and is matched with the position of the signal generating device 18. It should be noted that, the position of the signal receiving device 19 and the position of the signal generating device 18 are matched, which means that when the signal generating device 18 moves under the driving of the inquiry disk 13, the signal receiving device 19 can receive the change of the signal sent by the signal generating device 18. Preferably, the signal generating means 18 can be provided on the end face of the interrogation plate 13 remote from the drive member 17. Specifically, the signal generating device 18 may be a magnetic steel, and the signal receiving device 19 may be a hall sensor. Specifically, when the signal sending disk 13 rotates, the position of the magnetic steel changes, the magnetic field changes accordingly, the hall sensor converts the magnetic signal into an electrical signal, and the electrical signal and the mechanical signal are displayed together, so that double display of the mechanical signal and the electrical signal of the flowmeter is realized.

In addition, the processor in this embodiment may determine whether the dual-display flowmeter is abnormal through a comparison result of output signals of the magnetic coupling structure and the electronic signal generating assembly, so that if one of the magnetic coupling structure and the electronic signal generating assembly is abnormal, the other one may still ensure normal operation of the flowmeter.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A dual display flow meter, comprising:

an isolation cover;

the transmission shaft is rotatably arranged and is positioned inside the isolation cover; the signaling disc is movably connected with the outer wall of the isolation cover;

the magnetic coupling structure is used for outputting a mechanical signal of the rotation of the signaling disc and comprises an inner magnetic ring and an outer magnetic ring corresponding to the inner magnetic ring in position, wherein the outer magnetic ring is sleeved on the transmission shaft, the inner magnetic ring is arranged in the signaling disc, and the isolation cover is positioned between the inner magnetic ring and the outer magnetic ring;

and the electronic signal generating assembly is used for receiving and transmitting the action condition of the message sending disc.

2. The dual display flow meter of claim 1, further comprising: and the driving piece is connected with the signaling disc and is used for driving the signaling disc to rotate.

3. The dual display flow meter of claim 2,

the electronic signal generating assembly comprises: the signal generating device is installed on the signaling disc, and the signal receiving device is installed on the isolation cover and matched with the signal generating device in position.

4. The dual display flow meter of claim 3,

the signal generating device is selected from magnetic steel, and the signal receiving device is selected from a Hall sensor.

5. The dual display flow meter of claim 3, further comprising:

and the fixing ring is sleeved on the isolation cover and is coaxially arranged with the isolation cover.

6. The dual display flowmeter of claim 3, wherein a stop block is disposed between the isolation cover and the transmission shaft, and the transmission shaft is rotatably connected to the stop block.

7. The dual display flow meter of claim 3, wherein the message disk is disposed coaxially with the isolation cover.

8. The dual apparent flow meter according to claim 5, wherein said drive member is selected from a gear or a drive shaft; when the driving piece is selected from gears, the gear sleeve is arranged at one end of the signaling disc, which is far away from the fixing ring.

9. The dual display flow meter of claim 7, wherein the number of signal generating devices is greater than or equal to 1.

10. The dual display flow meter according to any one of claims 1-9, further comprising:

and the processor is connected with the magnetic coupling structure and the electronic signal generating assembly and is used for judging whether the dual-display flowmeter is abnormal or not according to the comparison result of the output signals of the magnetic coupling structure and the electronic signal generating assembly.

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