CN213779142U

CN213779142U - Gas meter

Info

Publication number: CN213779142U
Application number: CN202023139494.1U
Authority: CN
Inventors: 李春燕; 于韶颖; 李忠园
Original assignee: Goldcard Smart Group Co Ltd
Current assignee: Goldcard Smart Group Co Ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-07-23
Anticipated expiration: 2030-12-22

Abstract

The embodiment of the utility model discloses a gas meter, which relates to the field of gas measuring instruments, and the technical scheme comprises a base meter, a magnetic element and a sampling component; the base watch comprises a shell and a rotating part; the shell is provided with an accommodating cavity which is sunken towards the inside of the shell, and the rotating part is arranged on the outer side wall of the accommodating cavity; the magnetic element is arranged on the rotating part and rotates around the outer side wall of the accommodating cavity along with the rotating part; the sampling subassembly is established the casing is external, and inserts the holding intracavity, the sampling subassembly with magnetic element corresponds the setting, the sampling subassembly includes the magnetic induction components and parts. The embodiment of the utility model provides a be applicable to the measurement to the gas quantity.

Description

Gas meter

Technical Field

The utility model relates to a measuring device field of gas quantity. In particular to a gas meter.

Background

With the rapid development of gas utilities, intelligent gas meters are also rapidly developed. The sampling counting mode of intelligent gas meter measurement in the existing market is mainly magnetic sampling.

In the existing gas meter, a magnetic element rotating along with the work of a base meter is positioned inside the base meter, a magnetic induction component for inducing the movement of the magnetic element is positioned outside the base meter, and when the magnetic induction component induces the movement of the magnetic element, an extra transmission part is needed to transmit the movement of the magnetic element to the outside of the base meter.

Specifically, the existing gas meter generally comprises a base meter and a bushing fixed in the base meter, an inner magnetic steel rotor is sleeved outside the bushing, a magnetic element is arranged on the inner magnetic steel rotor, and when the base meter works, the inner magnetic steel rotor rotates, and the magnetic element rotates along with the inner magnetic steel rotor.

An output rotor is arranged outside the base meter, a magnetic element is arranged on the output rotor, the output rotor is matched with an inner magnetic steel rotor, the inner magnetic steel rotor rotates to drive the output rotor to rotate, the magnetic element rotates along with the output rotor, and a magnetic induction component used for inducing the motion condition of the magnetic element is further arranged on the output rotor.

The whole sampling mechanism is complex in structure and large in occupied space.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a simple structure's gas table is provided.

The embodiment of the utility model provides a gas meter, including base table, magnetic element and sampling subassembly;

the base watch comprises a shell and a rotating part;

the shell is provided with an accommodating cavity which is sunken towards the inside of the shell, and the rotating part is arranged on the outer side wall of the accommodating cavity;

the magnetic element is arranged on the rotating part and rotates around the outer side wall of the accommodating cavity along with the rotating part;

the sampling subassembly is established the casing is external, and inserts the holding intracavity, the sampling subassembly with magnetic element corresponds the setting, the sampling subassembly includes the magnetic induction components and parts.

According to a concrete implementation mode of the embodiment of the application, the rotating part is a ring-shaped part which is sleeved on the outer side wall of the accommodating cavity.

According to a specific implementation manner of the embodiment of the application, the magnetic element is a magnetic block, and the magnetic induction component is a magnetic sensor; the magnetic block is arranged on the rotating part and rotates along with the rotating part; or,

the magnetic element is a magnetic ring, and the magnetic induction component is a bipolar magnetic switch sensor; the magnetic ring is arranged on the rotating part or the magnetic ring is the rotating part and is sleeved on the outer wall of the accommodating cavity.

According to a specific implementation manner of the embodiment of the application, the sampling assembly further comprises a sampling shaft, a wire cover and a flat wire;

the wire cover is buckled on the sampling shaft;

the flat cable is arranged between the sampling shaft and the wire cover, the flat cable is attached to the side wall of the sampling shaft, and one end of the flat cable is provided with a golden finger;

the magnetic induction component is arranged between the sampling shaft and the flat cable.

According to a specific implementation manner of the embodiment of the application, the sampling shaft comprises a shaft body, a flange plate and a connecting disc;

the flange plate is arranged at one end of the shaft body, the connecting disc is arranged at the other end of the shaft body, the diameter of the flange plate is larger than that of the shaft body, and the flange plate, the shaft body and the connecting disc are coaxially arranged;

processing has first plane and second plane on the outer peripheral face of sampling axle, first plane with form the contained angle between the second plane, correspond first plane with the second plane the ring flange is seted up with first plane and second plane intercommunication first jack and second jack, first jack with the second jack intercommunication, the winding displacement is followed first jack and second jack insert in the sampling axle, and laminate in on the first plane of sampling axle and the second plane.

According to a specific implementation manner of the embodiment of the application, at least two magnetic induction components are arranged, and the at least two magnetic induction components comprise a first magnetic induction component and a second magnetic induction component;

the first plane is provided with a first abdicating hole, the second plane is provided with a second abdicating hole, the first magnetic induction component is located in the first abdicating hole, and the second magnetic induction component is located in the second abdicating hole.

According to a specific implementation manner of the embodiment of the application, the wire cover comprises an arc-shaped cover body;

a positioning piece is arranged at the bottom end of the cover body, and a locking piece is arranged at the upper end of the cover body;

the top contour of the wire cover is matched with the contours of the first jack and the second jack.

According to a concrete implementation mode of this application embodiment, the setting element is including fixing lid bottom border department the reference column and offer connect the locating hole on the disc, the reference column can insert in the locating hole.

According to a concrete implementation mode of the embodiment of the application, the locking piece comprises a locking block fixed on the outer arc surface of the upper end of the cover body, an inclined part is formed on the outer side of the locking block, and the inclined part inclines towards the direction gradually close to the outer surface of the cover body from top to bottom.

According to a specific implementation manner of the embodiment of the application, a first limiting block is horizontally arranged on the first plane, and a first limiting hole is formed in the flat cable corresponding to the first limiting block;

and a second limiting block is horizontally arranged on the second plane and corresponds to the second limiting block, and a second limiting hole is formed in the wire arrangement.

The embodiment of the utility model provides a have following advantage:

through setting up the holding chamber on the casing in this application, insert the holding intracavity with the sampling component, the motion that the magnetic induction components and parts among the sampling component can direct induction magnetic element need not extra driving medium to this kind of structure makes the overall structure of gas table compacter simple, reduces the occupation space of gas table.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a gas meter according to an embodiment of the present application.

FIG. 2 is a schematic structural diagram of a sampling assembly according to an embodiment of the present application;

FIG. 3 is a schematic diagram of a sampling shaft of a sampling assembly according to an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a wire cover of a sampling assembly according to an embodiment of the present application;

FIG. 5 is a schematic diagram illustrating a flat cable structure of a sampling assembly according to an embodiment of the present application;

Detailed Description

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Fig. 1 is a schematic structural diagram of a gas meter provided in an embodiment of the present application; FIG. 2 is a schematic structural diagram of a sampling mechanism according to an embodiment of the present application; FIG. 3 is a schematic structural diagram of a sampling shaft of a sampling mechanism provided in an embodiment of the present application; FIG. 4 is a schematic structural diagram of a wire cover of a sampling mechanism according to an embodiment of the present application; fig. 5 is a schematic structural diagram of a flat cable in a sampling mechanism according to an embodiment of the present application, as shown in fig. 1 to 5, the present embodiment may include a base, a base table, a magnetic element 7, and a sampling assembly, where the base table is disposed on the base.

The base watch comprises a shell and a rotating part; the shell of the base watch is provided with an accommodating cavity which is sunken towards the inside of the shell, and the accommodating cavity is cylindrical; the rotating part is a ring-shaped part sleeved on the outer wall of the accommodating cavity, and the magnetic element 7 is arranged on the rotating part.

The rotating part rotates along with the work of the base watch, and then drives the magnetic element to rotate.

The sampling subassembly is established outside the casing and is inserted in the holding intracavity, and the sampling subassembly corresponds the setting with magnetic element, and the sampling subassembly includes magnetic induction components and parts 4, and magnetic induction components and parts 4 are used for responding to magnetic element 7's motion.

When the base meter works, the magnetic element 7 rotates, and the magnetic induction component 4 can directly induce the rotation of the magnetic element 7, so that the purpose of sampling and counting is achieved.

This structure need not extra driving medium to this kind of structure makes the overall structure compactness more simple of gas table, reduces the occupation space of gas table, because of the sampling component inserts in the holding intracavity, can reduce the interference of external magnetic field to the magnetic induction components and parts simultaneously, improves the stability and the accuracy of count.

In an embodiment, the magnetic element is a magnetic block, the magnetic block is disposed on the rotating portion and rotates with the rotating portion, the number of the magnetic blocks may be one or multiple, the embodiment is not limited herein, and the magnetic induction component is a magnetic sensor.

In another embodiment, the magnetic element is a magnetic ring, and in this case, the magnetic induction component is a bipolar magnetic switch sensor. When the magnetic element is a magnetic ring, the magnetic ring can be arranged on the rotating part and rotate along with the rotating part, the magnetic ring can also be directly sleeved on the outer wall of the accommodating cavity to directly replace the rotating part, and the magnetic ring can rotate.

In practical application, a proper magnetic element can be selected according to specific conditions, when the magnetic element selects a magnetic block, any magnetic sensor can realize the metering function, and when the magnetic element selects a magnetic ring, a bipolar magnetic switch sensor is needed to realize the metering function.

In one embodiment, the sampling assembly further comprises a sampling shaft 1, a wire cover 3 and a flat wire 2; the wire cover 3 is buckled on the sampling shaft 1; the flat cable 2 is arranged between the sampling shaft 1 and the cable cover 3, the flat cable 2 is attached to the side wall of the sampling shaft 1, one end of the flat cable 2 is provided with a golden finger, and the golden finger is used for being connected with the intelligent module control part; the magnetic induction component 4 is arranged between the sampling shaft 1 and the flat cable 2.

In this embodiment, the flat cable 2 may be an FPC flat cable 2, and the FPC flat cable 2 is a connection wire set that can be bent within a certain degree.

The sampling shaft 1 includes a shaft body 11, a flange 12, and a connection disk 13. The shaft body 11 is cylindrical, the flange 12 is arranged at one end of the shaft body 11, the connecting disc 13 is arranged at the other end of the shaft body 11, the diameter of the flange 12 is larger than that of the shaft body 11, the diameter of the connecting disc 13 is the same as that of the shaft body 11, and the flange 12, the shaft body 11 and the connecting disc 13 are coaxially arranged.

The outer diameter of the sampling shaft 1 is the same as the inner diameter of the accommodating cavity, so that the whole sampling assembly can be conveniently inserted into the accommodating cavity and is not easy to shift.

A first plane 111 and a second plane 112 are processed on the outer peripheral surface of the sampling shaft 1, an included angle is formed between the first plane 111 and the second plane 112, the included angle is preferably 45 degrees, corresponding to the first plane 111 and the second plane 112, a first insertion hole 121 and a second insertion hole 122 which are communicated with the first plane 111 and the second plane 112 are formed in the flange plate 12, the first insertion hole 121 is communicated with the second insertion hole 122, and the flat cable 2 is inserted into the sampling shaft 1 from the first insertion hole 121 and the second insertion hole 122 and is attached to the first plane 111 and the second plane 112 of the sampling shaft 1.

Magnetic induction components and parts 4 are provided with two at least, and two at least magnetic induction components and parts 4 include first magnetic induction components and parts 4 and second magnetic induction components and parts 4, through two at least magnetic induction components and parts 4 that set up, further improve the accuracy of sampling count.

In order to make the structure of the sampling assembly smaller, a first yielding hole 1111 is formed in the first plane 111, a second yielding hole 1121 is formed in the second plane 112, the first magnetic induction component 4 is located in the first yielding hole 1111, and the second magnetic induction component 4 is located in the second yielding hole 1121.

The magnetic induction component 4 is hidden between the sampling shaft 1 and the flat cable 2 by the arrangement, so that the structure is more compact, and the magnetic interference of an external magnetic field on the magnetic induction component 4 is further reduced, so that the sampling result is more accurate.

In an embodiment, the magnetic induction component 4 can also be directly fixed in the first yielding hole 1111 and the second yielding hole 1121, so that the installation is more convenient and faster.

In an embodiment, the first plane 111 is provided with a first stopper 1112, and the flat cable 2 is provided with a first stopper hole 21 corresponding to the first stopper 1112. The second plane 112 is provided with a second stopper 1122, and a second stopper hole 22 is formed in the flat cable 2 corresponding to the second stopper 1122.

When inserting winding displacement 2 downwards and laminating sampling axle 1 lateral wall, first stopper 1112 inserts in first spacing hole 21, and second stopper 1122 inserts in the spacing downthehole 22 of second, like this, can restrict the displacement of winding displacement 2, make the stable laminating of winding displacement 2 on the lateral wall of sampling axle 1, stability and accuracy when guaranteeing the sampling.

In this embodiment, the first limiting blocks 1112 are provided with two, the two first limiting blocks 1112 are symmetrically distributed on the upper and lower sides of the first yielding hole 1111, the second limiting blocks 1122 are provided with two, and the two second limiting blocks 1122 are symmetrically distributed on the upper and lower sides of the second yielding hole 1121. During actual production and use, the number of the limiting blocks can be set according to actual conditions, and the embodiment is not limited herein.

In one embodiment, the wire cover 3 includes a circular arc cover body 31, a positioning member is disposed at the bottom end of the cover body 31, and a locking member is disposed at the upper end of the cover body 31;

the top profile of the wire cover 3 is adapted to the profile of the first and second insertion holes 121 and 122, so that the wire cover 3 can be inserted from top to bottom through the first and second insertion holes 121 and 122 and lock the flat cable 2 on the sampling shaft 1.

The positioning member includes a positioning post 311 fixed at the bottom edge of the cover 31 and a positioning hole 131 formed on the connecting disc 13, and the positioning post 311 can be inserted into the positioning hole 131.

In this embodiment, the setting element is provided with two sets ofly, and two reference columns 311 are for the axial symmetric distribution of line lid 3, and two locating holes 131 are for the axial symmetric distribution of sampling axle 1, and two sets of setting elements can carry out accurate location to line lid 3 in the lock.

The locking member includes a locking piece 312 fixed on an outer arc surface of the upper end of the cover body 31, and an inclined portion 3121 is formed at an outer side of the locking piece 312, and the inclined portion 3121 is inclined from the top to the direction gradually approaching the outer surface of the cover body 31.

In this embodiment, the locking piece is provided with two sets ofly, and two locking pieces are for the axial symmetric distribution of line lid 3, through the slope 3121 that sets up in the outside of locking piece 312, when the top-down lock of line lid 3, the downside of locking piece 312 contacts first jack 121 and second jack 122 earlier, laborsaving and convenience that can be more like this, and the diapire at ring flange 12 is contradicted to the top surface of locking piece 312, and both the lock is accomplished, and line lid 3 can not drop again by fixed.

When the sampling assembly is installed, firstly, the flat cable 2 is inserted from the top to the bottom from the first jack 121 and the second jack 122, the first limit block 1112 is inserted into the first limit hole 21, the second limit block 1122 is inserted into the second limit hole 22, the magnetic induction component 4 is positioned in the first abdicating hole 1111 and the second abdicating hole 1121, the flat cable 2 is attached to the side wall of the sampling shaft 1, one end of the flat cable 2 with the golden finger is exposed outside the sampling shaft 1, then the cable cover 3 is inserted from the first jack 121 and the second jack 122 from the top to the bottom, the positioning column 311 is inserted into the positioning hole 131, the top surface of the locking block 312 abuts against the bottom surface of the flange 12, that is, the whole sampling assembly is assembled, and finally, the whole sampling assembly is inserted into the base table, so as to sense the movement of the magnetic element 7 in the base table, and achieve the purpose of sampling.

This application embodiment, through set up the holding chamber on the casing, insert the holding intracavity with the sampling component, the motion that the magnetic induction components and parts in the sampling component can direct induction magnetic element need not extra driving medium to this kind of structure makes the overall structure of gas table compacter simple, reduces the occupation space of gas table.

It should be noted that, in this document, the described aspects of the embodiments are different, but there is a certain correlation between the embodiments, and in understanding the aspects of the present invention, the embodiments may refer to each other; moreover, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element

The above description is only for the specific embodiments of the present invention, but the protection 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 protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A gas meter is characterized in that: comprises a base table, a magnetic element and a sampling component;

the base watch comprises a shell and a rotating part;

2. The gas meter of claim 1, wherein: the rotating part is a ring-shaped part sleeved on the outer side wall of the accommodating cavity.

3. The gas meter of claim 1, wherein: the magnetic element is a magnetic block, and the magnetic induction component is a magnetic sensor; the magnetic block is arranged on the rotating part and rotates along with the rotating part; or,

4. The gas meter of claim 1, wherein: the sampling assembly further comprises a sampling shaft, a wire cover and a flat cable;

the wire cover is buckled on the sampling shaft;

5. The gas meter of claim 4, wherein: the sampling shaft comprises a shaft body, a flange plate and a connecting disc;

6. The gas meter of claim 5, wherein: the magnetic induction components are at least two, and the at least two magnetic induction components comprise a first magnetic induction component and a second magnetic induction component;

7. The gas meter of claim 5, wherein: the wire cover comprises an arc-shaped cover body;

8. The gas meter of claim 7, wherein: the locating piece is including fixing reference column and seting up in lid bottom border department connect the locating hole on the disc, the reference column can insert in the locating hole.

9. The gas meter of claim 7, wherein: the locking piece is including fixing the locking piece on the extrados of lid upper end, the outside of locking piece is formed with the rake, the rake top-down orientation is close to gradually the slope of lid surface's direction.

10. The gas meter of claim 5, wherein: a first limiting block is horizontally arranged on the first plane, and a first limiting hole is formed in the flat cable corresponding to the first limiting block;