CN214372714U - Metering device - Google Patents

Abstract

The utility model relates to a metering instrument, which comprises a shell and a meter core arranged in the shell, wherein the shell comprises at least two parts which are detachably connected, the at least two parts which are detachably connected are conducted through electric connection, and the meter core is arranged in a containing cavity formed by the at least two parts which are detachably connected; the utility model provides an among the metering device, can dismantle at least two parts of connection through the messenger and become the equipotential body to lead to the casing electrified when avoiding external electrified object to be close to, and then avoid inside to hold the intracavity electrified, avoid the inside table core of casing to receive external electromagnetic interference promptly, the simple easy operation of mode that the at least two parts that will dismantle the connection switched on in this embodiment, solved among the prior art that the metering device meter receives electromagnetic interference easily and leads to the problem that measurement accuracy is low.

Description

Metering device

Technical Field

The utility model belongs to the technical field of the instrument, concretely relates to metering device.

Background

This section provides background information related to the present disclosure only and is not necessarily prior art.

Along with the continuous progress of science and technology, gasization engineering develops rapidly, and the measurement of present gas mainly goes on with the gas table, and wherein, electronic type gas table has advantages such as sensitivity height, no rotatable parts, long service life as novel gas table, consequently obtains more and more applications in market.

However, the measurement component of the existing electronic gas meter collects information in an electrical manner, so when the electronic gas meter receives external electromagnetic interference, the detection precision is easily affected, and the existing electronic gas meter is generally not provided with an electromagnetic interference resistant device, so that the electromagnetic interference easily enters the electronic measurement part through a meter shell, thereby reducing the measurement precision and even causing abnormal measurement.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that current metering device receives electromagnetic interference easily and leads to measurement accuracy low, the utility model provides a metering device, metering device includes casing and table core, the casing is including dismantling the at least two parts of connection, detachable at least two parts switch on mutually through the electricity connection, the table core sets up the intracavity that holds that detachable at least two parts formed.

According to the utility model discloses among the metering device, the casing is including dismantling the at least two parts of connection, a plurality of parts can be dismantled to connect and switch on mutually promptly, a plurality of parts form the equipotential body, thereby it is electrified when leading to any one of them part when avoiding external electrified object to be close to, and then the inside that forms after avoiding a plurality of parts to connect holds the intracavity electrified, avoid the inside watch core of casing to receive external electromagnetic interference promptly, the mode that switches on watchcase and lower watchcase is simple easy to operate in this embodiment, the problem that the metering device received electromagnetic interference easily among the prior art and leads to measuring accuracy low is solved.

In addition, according to the utility model discloses metering device, can also have following technical characteristics:

in some embodiments of the present invention, the detachable at least two parts include an upper case and a lower case, the upper case is connected to the lower case in a sealing manner, and the upper case is conducted to the lower case.

In some embodiments of the present invention, the meter further comprises a conductive structure connected between the upper case and the lower case to make the upper case and the lower case conductive.

In some embodiments of the present invention, the conductive structure is connected to the upper case and the lower case by conductive screws, respectively.

In some embodiments of the present invention, the conductive structure is welded to the upper case and the lower case, respectively.

In some embodiments of the present invention, the two ends of the conductive structure are respectively provided with a first plug and a second plug, the first plug is connected to the upper surface shell, and the second plug is connected to the lower surface shell.

In some embodiments of the present invention, the conductive structure is configured as a wire.

In some embodiments of the present invention, both ends of the wire are connected to the outer wall of the upper case and the outer wall of the lower case, respectively.

In some embodiments of the present invention, the upper case is provided with a first metal exposed area, the lower case is provided with a second metal exposed area, and the first metal exposed area and the second metal exposed area are connected.

In some embodiments of the present invention, the meter further comprises a shell card, and the shell card contacts and is conducted with the first metal exposed area and the second metal exposed area respectively.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:

fig. 1 is a first schematic structural diagram of a metering device according to an embodiment of the present invention;

fig. 2 is a second structural schematic diagram of a metering device according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

fig. 4 is a third schematic structural diagram of a metering device according to an embodiment of the present invention;

fig. 5 is an enlarged schematic view of B in fig. 4.

The reference symbols in the drawings denote the following:

1000. a metering device;

100. a housing;

110. a watch case is put on; 111. a first metal denuded zone;

120. a lower case; 121. a second metal denuded zone;

130. a sealing gasket;

200. a wire;

300. a screw;

400. a shell card.

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 "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", 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. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device 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. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a metering device 1000, the metering device 1000 includes a casing 100 and a watch core (not shown in the figure), the casing 100 includes at least two parts capable of being detachably connected, the at least two parts capable of being detachably connected are electrically connected to each other, and the watch core is disposed in a containing cavity formed by the at least two parts capable of being detachably connected.

The embodiment of the utility model provides an among the metering device 1000, casing 100 is at least including the two parts that are connected, be formed with after this at least two parts are connected and hold the chamber, the watch core sets up and is holding the intracavity, this embodiment switches on through making above-mentioned at least two parts mutually, make it become equipotential body, thereby lead to one of them certain part to be electrified when avoiding external electrified object to be close to, and then avoid holding the intracavity that forms electrified, avoid being located promptly and hold the watch core of intracavity and receive external electromagnetic interference, the simple easy operation of mode that switches on casing 100 in this embodiment, the problem that among the prior art metering device 1000 received electromagnetic interference easily and lead to measuring accuracy low has been solved.

In some embodiments of the present invention, the casing 100 includes an upper casing 110 and a lower casing 120, the upper casing 110 is connected to the lower casing 120 in a fastening manner, and the upper casing 110 is conducted to the lower casing 120, i.e. an electrical connection is formed between the upper casing 110 and the lower casing 120. The upper watch case 110 and the lower watch case 120 are buckled and connected in the embodiment, the upper watch case 110 and the lower watch case 120 are conducted, the upper watch case 110 and the lower watch case 120 are made to be equipotential bodies, the upper watch case 110 and/or the lower watch case 120 are/is electrified when an external electrified object is close to the equipotential bodies, the internal accommodating cavity formed after buckling of the upper watch case 110 and the lower watch case 120 is further prevented from being electrified, namely, the watch core inside the case 100 is prevented from being subjected to external electromagnetic interference, the mode for conducting the upper watch case 110 and the lower watch case 120 in the embodiment is simple and easy to operate, and the problem that the metering instrument 1000 is easily subjected to electromagnetic interference and low in metering precision in the prior art is solved.

Specifically, the meter 1000 provided in this embodiment is an electronic smart meter 1000, and the structure of the meter core may refer to the specific structure of the meter core in the prior art. The case 100 is covered on the outside of the watch core, and the case 100 is described by taking as an example that the case 100 includes an upper case 110 and a lower case 120, in this embodiment, the upper case 110 is connected with the lower case 120 in a snap-fit manner, illustratively, as shown in fig. 1, the lower case 120 forms a bayonet on the side facing the upper case 110, the side facing the lower case 120 of the upper case 110 extends into the bayonet, so as to be connected with the lower case 120 in a snap-fit manner, and in addition, the upper case 110 and the lower case 120 can be further connected by a connecting member such as a bolt or a screw.

In some embodiments of the present invention, the upper case 110 and the lower case 120 are connected in a sealing manner, for example, a sealing gasket 130 is disposed between the upper case 110 and the lower case 120, and after the upper case 110 and the lower case 120 are connected in a fastening manner, a sealing process, such as welding, bonding, etc., can be further performed on the upper case 110 and the lower case 120, so as to ensure that a sealed cavity is formed inside the case 100, and further protect the watch core inside.

In the present embodiment, the upper case 110 and the lower case 120 are electrically connected, that is, the upper case 110 and the lower case 120 form a circuit connection therebetween, for example, the upper case 110 and the lower case 120 may be respectively provided with a conductive portion, and the conductive portion of the upper case 110 is connected with the conductive portion of the lower case 120, so that the conduction is realized; alternatively, a conductive structure may be separately provided, and the conductive structure may be connected to the upper case 110 and the lower case 120, respectively, to achieve conduction.

Specifically, in some embodiments of the present invention, the metering device 1000 further includes a conductive structure connected between the upper case 110 and the lower case 120 to conduct the upper case 110 and the lower case 120.

In an alternative embodiment, the conductive structure is disposed in the case 100, i.e., in the accommodating space formed by the buckling of the upper case 110 and the lower case 120, thereby ensuring the stability of the conductive structure and preventing the conductive structure from being damaged; in another alternative embodiment, the conductive structure is disposed outside the case 100, i.e. outside the accommodating space formed by the buckling of the upper case 110 and the lower case 120, so that the conductive structure can be installed after the upper case 110 and the lower case 120 are connected during production, thereby facilitating the manufacturing.

Illustratively, the conductive structure may be configured as a wire or as a conductive metal sheet; the conductive structure can be connected to the upper case 110 and the lower case 120 in various ways, which can be selected according to the actual situation. It should be noted that, the portions of the upper case 110 and the lower case 120 for connecting with the conductive structure are configured as conductive portions to ensure that the upper case 110 and the lower case 120 are conductive.

Illustratively, in some embodiments of the present invention, as shown in fig. 2 and 3, the conductive structure is connected to the upper case 110 and the lower case 120 respectively by conductive screws 300, and specifically, when the conductive structure is disposed in the case 100, one end of the conductive structure is connected to the inner wall of the upper case 110 by the conductive screws 300, and the other end of the conductive structure is connected to the inner wall of the lower case 120 by the conductive screws 300; when the conductive structure is disposed outside the case 100, one end of the conductive structure is connected to the outer wall of the upper case 110 by the conductive screw 300, and the other end of the conductive structure is connected to the outer wall of the lower case 120 by the conductive screw 300.

In other embodiments of the present invention, the conductive structure is welded to the upper case 110 and the lower case 120, respectively, and specifically, when the conductive structure is disposed in the case 100, one end of the conductive structure is welded to the inner wall of the upper case 110, and the other end of the conductive structure is welded to the inner wall of the lower case 120; when the conductive structure is disposed outside the case 100, one end of the conductive structure is welded to the outer wall of the upper case 110, and the other end of the conductive structure is welded to the outer wall of the lower case 120.

In other embodiments of the present invention, the two ends of the conductive structure are respectively provided with a first plug and a second plug, the first plug is connected to the upper case 110, and the second plug is connected to the lower case 120. In this embodiment, the upper case 110 and the lower case 120 are respectively provided with an electrical jack, and specifically, when the conductive structure is provided in the case 100, the first plug is mated with the jack provided on the inner wall of the upper case 110, and the second plug is mated with the jack provided on the inner wall of the lower case 120; when the conductive structure is disposed outside the case 100, the first plug mates with a jack on the outer wall of the upper case 110 and the second plug mates with a jack on the outer wall of the lower case 120.

Specifically, in some embodiments of the present invention, as shown in fig. 1, the conductive structure is a wire 200, the wire 200 may be disposed outside the case 100 or inside the case 100, as shown in fig. 1, the wire 200 is disposed outside the case 100, and two ends of the wire 200 are respectively connected to an outer wall of the upper case 110 and an outer wall of the lower case 120, so that the upper case 110 and the lower case 120 are conducted through the wire 200.

It should be noted that, in this embodiment, the wire 200 may be set as the metal wire 200, and specifically, the metal wire 200 may be further wrapped with an insulating layer, for example, an insulating rubber or an insulating plastic may be wrapped around the metal wire 200 to protect the metal wire 200.

In some embodiments of the present invention, the upper case 110 and the lower case 120 can be conducted through other methods, specifically, as shown in fig. 2, the upper case 110 is provided with a first metal exposed area 111, the lower case 120 is provided with a second metal exposed area 121, and the first metal exposed area 111 and the second metal exposed area 121 are conducted.

Since the upper case 110 and the lower case 120 are usually painted, in this embodiment, the set portions of the upper case 110 and the lower case 120 may be painted, so that the first metal exposed area 111 is formed on the upper case 110 and the second metal exposed area 121 is formed on the lower case 120.

For example, the first metal exposed region 111 may be disposed on a side of the upper case 110 facing the lower case 120, and the second metal exposed region 121 may be disposed on a side of the lower case 120 facing the lower case 110, and the positions of the first metal exposed region 111 and the second metal exposed region 121 are not particularly limited in this embodiment, so that the first metal exposed region 111 and the second metal exposed region 121 may be in contact and conductive when the upper case 110 and the lower case 120 are connected.

In another alternative embodiment, as shown in fig. 3, the metering device 1000 further includes a case clamp 400, and the case clamp 400 is respectively in contact with the first metal exposed area 111 and the second metal exposed area 121, so that the first metal exposed area 111 is communicated with the second metal exposed area 121.

Specifically, as shown in fig. 4 and 5, when upper case 110 is aligned with and connected to lower case 120, shell card 400 is snapped into the connection between upper case 110 and lower case 120 and contacts with first exposed metal region 111 of upper case 110 and second exposed metal region 121 of lower case 120, respectively, so as to conduct upper case 110 and lower case 120.

The embodiments of the present disclosure have been described above. However, these examples are for illustrative purposes only and are not intended to limit the scope of the present disclosure. Those skilled in the art can also devise methods that are not exactly the same as those described above in order to achieve the same objectives. The scope of the disclosure is defined by the appended claims and equivalents thereof. Various alternatives and modifications can be devised by those skilled in the art without departing from the scope of the present disclosure, and such alternatives and modifications are intended to be within the scope of the present disclosure.

Claims (10)

1. The metering device is characterized by comprising a shell and a meter core, wherein the shell comprises at least two parts which are detachably connected, the at least two detachable parts are electrically connected and conducted, and the meter core is arranged in an accommodating cavity formed by the at least two detachable parts.

2. The metering device of claim 1, wherein the at least two removable portions comprise an upper case and a lower case, the upper case being sealingly connected to the lower case and the upper case being in communication with the lower case.

3. The metering device of claim 2, further comprising a conductive structure connected between the upper and lower cases to render the upper and lower cases conductive.

4. The metering device of claim 3, wherein the conductive structure is connected to the upper case and the lower case by conductive screws, respectively.

5. The metering device of claim 3, wherein the conductive structure is welded to the upper and lower cases, respectively.

6. The metering device of claim 3, wherein a first plug and a second plug are respectively arranged at two ends of the conductive structure, the first plug is connected with the upper surface shell, and the second plug is connected with the lower surface shell.

7. A meter according to any of claims 3 to 6, wherein the electrically conductive structure is provided as a wire.

8. The measuring instrument according to claim 7, wherein both ends of the wire are connected to an outer wall of the upper case and an outer wall of the lower case, respectively.

9. The meter of claim 2, wherein the upper case has a first exposed metal area and the lower case has a second exposed metal area, the first exposed metal area being in communication with the second exposed metal area.

10. The meter of claim 9, further comprising a shell card in contact with and in communication with the first exposed metal area and the second exposed metal area, respectively.

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