CN213147953U - Gas meter detection device and gas meter - Google Patents
Gas meter detection device and gas meter Download PDFInfo
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- CN213147953U CN213147953U CN202021947655.7U CN202021947655U CN213147953U CN 213147953 U CN213147953 U CN 213147953U CN 202021947655 U CN202021947655 U CN 202021947655U CN 213147953 U CN213147953 U CN 213147953U
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Abstract
The embodiment of the application provides a gas table detection device and gas table, this gas table detection device includes: the wire harness comprises a first circuit board, a wire passing assembly and a wire harness. The first circuit board is positioned inside a shell of the gas meter, and is provided with a detection element which is used for detecting the pressure or temperature inside the gas meter; the gas meter is characterized in that the wire passing assembly is fixedly connected with the first circuit board, is arranged on a shell of the gas meter and is used for penetrating through the shell and realizing sealing; the wire harness penetrates through the wire passing assembly to be connected with the first circuit board, and the wire harness further penetrates through the wire passing assembly to be connected with the second circuit board outside the shell.
Description
Technical Field
The application relates to the technical field of gas meters, in particular to a gas meter detection device and a gas meter.
Background
A diaphragm gas meter is a device for measuring the usage of gas, and charges a fee by measuring the volume of gas used. However, because the temperature and pressure of the gas have an influence on the measurement of the volume of the gas, the diaphragm gas meter adopts working condition measurement instead of standard condition measurement, and therefore, in the actual use process, measurement errors are caused by different use environments. And if the conditions such as abnormal temperature, abnormal pressure and the like occur during gas supply, the gas supply safety hazard exists.
SUMMERY OF THE UTILITY MODEL
An object of the application is to provide a gas table detection device and gas table, can detect the internal environment of gas table, can be convenient and stable for volume correction, gas warning provide data support.
In a first aspect, an embodiment of the present application provides a gas meter detection device, where the gas meter detection device includes:
the first circuit board is positioned inside a shell of the gas meter, and is provided with a detection element which is used for detecting the pressure or the temperature inside the gas meter;
the gas meter comprises a gas meter shell, a gas passing assembly, a first circuit board and a second circuit board, wherein the gas passing assembly is fixedly connected with the first circuit board and is arranged on the gas meter shell and used for penetrating through the shell and realizing sealing;
the wire harness penetrates through the wire passing assembly to be connected with the first circuit board, and the wire harness further penetrates through the wire passing assembly to be connected with the second circuit board outside the shell.
Through above-mentioned gas table detection device, gas table detection device accessible detection element on the first circuit board detects the inside pressure or the temperature of gas table. Because the first circuit board and the second circuit board are respectively positioned inside and outside the gas meter shell, the internal environment of the gas meter can be accurately detected through the detection element in the first circuit board, and the signal from the first circuit board can be processed through the second circuit board outside the shell, so that the second circuit board is prevented from being influenced by gas because the second circuit board is positioned in the gas meter shell. Through the wire passing assembly which is fixedly connected with the first circuit board and can penetrate through the shell in the gas meter detection device, a wire harness used for connecting the first circuit board and the second circuit board can be guided to the outside of the shell from the inside of the shell of the gas meter, sealing can be realized by the cooperation of the wire passing assembly and the shell, the simple, convenient and reliable structure can ensure that the first circuit board in the shell can be stably transmitted with the second circuit board outside the shell, the high-efficiency and stable feedback of the environment condition inside the gas meter to the second circuit board outside the gas meter shell is facilitated, and the second circuit board can conveniently process signals from the first circuit board.
In an alternative embodiment, the wire passing assembly comprises a wire passing stud, a wire clip and a locking nut;
the wire-passing stud is sleeved on the wire clamp, the wire harness penetrates through the wire clamp to connect the first circuit board with the second circuit board, and the locking nut is used for fixing the wire-passing stud on the shell;
the shape of the outer wall of the wire clamp is matched with the shape of the inner wall of the wire passing stud.
Through the implementation mode, the wire passing stud is sleeved on the wire clamp and used for connecting the wire harness of the first circuit board and the second circuit board through the wire passing stud in a mode of passing through the wire clamp, the wire passing stud and the wire clamp of the wire passing assembly can carry out double protection on the wire harness passing through the shell, damage of the wire harness is avoided, and fixation of the wire passing stud can be achieved through the locking nut. Because the shape of the outer wall of the line card is matched with the shape of the inner wall of the line-passing stud, a better sealing effect can be realized when the line card passes through the line-passing stud.
In an optional embodiment, an opening is arranged on the side wall of the line card;
the wire harness can be radially placed into the line card from the opening in the side of the line card.
Through the implementation mode, the wire harness can be put into the wire clip through the opening in a simple and convenient mode, then the wire clip can penetrate through the wire passing stud, the wire passing stud penetrates through the shell of the gas meter, wire passing protection and sealing are achieved, and the structure is simple and reliable.
In an alternative embodiment, the string passing post comprises a fixing structure and an extending structure;
the fixing structure is positioned in the shell and is connected with the first circuit board through a first fixing piece;
the extension structure penetrates through the shell and is installed on the shell, and threads are arranged on the extension structure.
Through above-mentioned implementation, be located the first circuit board of the casing inside of gas table and be connected with the fixed knot who crosses the terminal, and the extension structure of crossing the terminal installs on the casing to this can be simple and convenient mode fix first circuit board on crossing the terminal.
In an alternative embodiment, a sealing ring is disposed between the wire stud and the housing.
Through the implementation mode, the position on the shell, which is used for penetrating through the wire passing stud, can be reliably sealed, and gas leakage is avoided.
In an alternative embodiment, a display screen is disposed on the second circuit board.
Through the implementation mode, the content detected by the inspection element on the first circuit board can be displayed on the basis of the display screen of the second circuit board.
In an optional embodiment, a processing chip is mounted on the second circuit board, and the processing chip is used for performing gas volume correction according to the temperature or pressure detected by the detection element.
Through the implementation mode, the processing chip based on the outer part of the gas meter shell can correct the gas volume according to the temperature or the pressure detected by the detection element, so that the correction of the measurement volume of the gas meter is facilitated, and the gas measurement error is improved.
In a second aspect, an embodiment of the present application provides a gas meter, which includes a housing, a first circuit board, a wire passing assembly, a wire harness, and a second circuit board;
the first circuit board is arranged in the shell, a detection element is arranged on the first circuit board, and the detection element is used for detecting the pressure or temperature in the gas meter;
the wire passing assembly is fixedly connected with the first circuit board, is arranged on the shell and is used for penetrating through the shell and realizing sealing;
the second circuit board is mounted outside the shell;
the wire harness penetrates through the wire passing assembly, and two ends of the wire harness are respectively connected with the first circuit board and the second circuit board.
Through above-mentioned gas table, through installing first circuit board and the second circuit board inside and outside the casing respectively to and play the guide, link up the line crossing subassembly, the pencil of effect, can be so that the first circuit board in the casing can carry out stable signal transmission with the second circuit board outside the casing, be favorable to giving back the outside second circuit board of gas table casing with the high-efficient, stable feedback of the inside environmental aspect of gas table, so that the second circuit board is handled the signal that comes from first circuit board. The gas meter comprises a shell, a gas meter body, a first circuit board, a second circuit board, a detection element, a gas meter body, a gas meter cover and a gas meter, wherein the detection element in the first circuit board can accurately detect the internal environment of the gas meter, the second circuit board arranged outside the shell can process signals from the first circuit board, and the second circuit board is prevented from being influenced by gas because the second circuit board is positioned in the gas meter shell. Through the wire passing assembly which is fixedly connected with the first circuit board and can penetrate through the shell in the gas meter detection device, a wire harness used for connecting the first circuit board and the second circuit board can be guided to the outside of the shell from the inside of the shell of the gas meter, and the structure is simple, convenient and reliable.
In an alternative embodiment of the second aspect above, the thread passing assembly comprises a thread passing stud, a thread clip and a locking nut;
the wire-passing stud is sleeved on the wire clamp, and the wire harness penetrates through the wire clamp to connect the first circuit board with the second circuit board;
the locking nut is used for fixing the wire passing stud on the shell;
the shape of the outer wall of the wire clamp is matched with the shape of the inner wall of the wire passing stud.
In an optional embodiment of the second aspect, the side wall of the line card is provided with an opening.
Based on the embodiment, the wire harness is placed into the wire harness through the opening, and the wire harness fixing and the wire passing protection are achieved in a simple mode.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a schematic diagram of a gas meter detection device provided in an embodiment of the present application.
Fig. 2 is a schematic diagram illustrating a first circuit board and a wire passing assembly in an example provided by the embodiment of the present application.
Fig. 3 is a schematic diagram of a gas meter detection device in an example provided in the embodiment of the present application.
Fig. 4 is a schematic diagram of a second circuit board in an example provided by an embodiment of the present application.
Fig. 5 is a schematic diagram of a gas meter provided in an embodiment of the present application.
Fig. 6 is a schematic view of a partial structure of a gas meter provided in an embodiment of the present application.
Reference numerals: 100-a gas meter detection device; 110-a first circuit board; 111-a detection element; 120-a wire passing assembly; 121-a wire-passing stud; 1211 — an immobilization structure; 1212-an extension structure; 122-line cards; 123-locking nut; 124-sealing ring; 130-a wire harness; 200-a second circuit board; 210-a processing chip; 220-a display screen; 230-a power supply; 240-alarm; 300-shell.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The embodiments described below and the features of the embodiments can be combined with each other without conflict. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Referring to fig. 1, fig. 1 is a schematic view of a gas meter detection device 100 according to an embodiment of the present disclosure. The gas meter detection device 100 is applied to a gas meter. The dotted line area in fig. 1 indicates the position of the housing 300 of the gas meter.
As shown in fig. 1, a gas meter detection device 100 includes: a circuit board, a wire passing assembly 120, and a wire harness 130. The circuit board includes a first circuit board 110. In some embodiments, the gas meter detection device 100 may further include a second circuit board 200 in addition to the first circuit board 110, that is, the second circuit board 200 may be a part of the gas meter detection device 100.
The first circuit board 110 is located inside the housing 300 of the gas meter. The housing 300 is provided with a wire passing hole.
The wire passing assembly 120 is fixedly connected to the first circuit board 110. The line passing assembly 120 is installed on the housing 300 of the gas meter and is used for passing through the line passing hole of the housing 300. The wire passing assembly 120 can be sealed after passing through the wire passing hole of the housing 300.
The wire harness 130 is connected to the first circuit board 110 through the wire guide assembly 120, and the wire harness 130 is also connected to the second circuit board 200 outside the housing 300 through the wire guide assembly 120.
As shown in fig. 2, a detection element 111 is mounted on the first circuit board 110, and the detection element 111 is used for detecting the pressure or temperature inside the gas meter.
The first circuit board 110 may transmit the temperature or pressure data detected by the detecting element 111 to the second circuit board 200 through the wire harness 130, so that the second circuit board 200 may process the temperature or pressure data detected by the detecting element 111. The first circuit board 110 and the detecting element 111 can be used as an acquisition device, and the second circuit board 200 can be used as a processing device of the gas meter detecting device 100. The second circuit board 200 can correct the volume of the fuel gas according to the temperature or pressure detected by the detection element 111, or give an alarm according to the temperature or pressure detected by the detection element 111.
Through the gas meter detection device 100 provided by the embodiment of the application, the gas meter detection device 100 can detect the pressure or the temperature inside the gas meter through the detection element 111 on the first circuit board 110, so that the detection of the internal environment of the gas meter is realized. When the gas meter detection device 100 is installed in a gas meter for use, because the first circuit board 110 and the second circuit board 200 are respectively located inside and outside the gas meter shell 300, the internal environment of the gas meter can be accurately detected through the detection element 111 in the first circuit board 110, and signals from the first circuit board 110 can be processed through the second circuit board 200 arranged outside the shell 300, so that the second circuit board 200 is prevented from being influenced by gas because the second circuit board 200 is located in the gas meter shell 300. Through the wire passing assembly 120 which is fixedly connected with the first circuit board 110 and can pass through the housing 300 in the gas meter detection device 100, the wire harness 130 for connecting the first circuit board 110 and the second circuit board 200 can be guided from the inside of the housing 300 of the gas meter to the outside of the housing 300, and a sealing effect can be realized. With the simple and reliable structure, the first circuit board 110 in the housing 300 can perform stable signal transmission with the second circuit board 200 outside the housing 300, which is beneficial to feeding back the environment condition inside the gas meter to the second circuit board 200 outside the gas meter housing 300 efficiently and stably, so that the second circuit board 200 processes the signal from the first circuit board 110.
Referring to fig. 2 and 3, in the embodiment of the present application, the wire passing assembly 120 includes a wire passing stud 121, a wire clip 122, and a locking nut 123.
The wire-passing stud 121 is sleeved on the wire clip 122, and the wire harness 130 passes through the wire clip 122 to connect the first circuit board 110 with the second circuit board 200.
The locking nut 123 is used to fix the wire passage stud 121 to the housing 300.
The shape of the outer wall of the line card 122 matches the shape of the inner wall of the wire stud 121, and the space formed by the inner wall of the line card 122 is used for accommodating the wiring harness 130, and the wiring harness 130 can be protected by the line card 122. Because the shape of the outer wall of the line card 122 matches the shape of the inner wall of the line stud 121, a better sealing action is achieved when the line card 122 passes through the line stud 121.
Because the wire-passing stud 121 is sleeved on the wire clip 122, and the wire harness 130 for connecting the first circuit board 110 and the second circuit board 200 passes through the wire-passing stud 121 in a manner of passing through the wire clip 122, the wire harness 130 passing through the shell 300 can be protected doubly by the wire-passing stud 121 of the wire-passing assembly 120 and the wire clip 122, so that the wire harness 130 is prevented from being damaged, and stable and reliable signal transmission is facilitated.
To reduce threading difficulty, openings may be provided in the sidewalls of line cards 122. The wiring harness 130 can be placed radially into the line card 122 from an opening in the side of the line card 122.
In the threading process, the wire harness 130 can be put into the wire clip 122 through the opening in a simple and convenient manner, then the wire clip 122 can pass through the wire passing stud 121, and the wire passing stud 121 passes through the shell 300 of the gas meter, so that the wire passing protection and sealing are realized, and the structure is simple and reliable. Wherein, when the extending direction of the opening, the extending direction of the wire harness 130 and the axial extending direction of the line card 122 are the same, the wire harness 130 can be put into the line card 122 through the opening in the radial direction.
As shown in fig. 3, the wire passing stud 121 may include a fixing structure 1211 and an extending structure 1212.
The fixing structure 1211 is located inside the housing 300 of the gas meter, and the fixing structure 1211 can be connected to the first circuit board 110 through a first fixing member. Wherein, the first fixing piece can be a screw, a nut and the like.
An extension 1212 extends through the housing 300 and is attached to the housing 300. the extension 1212 may be threaded.
The wire passing stud 121 may be an integrally formed structure.
Through the implementation manner, the first circuit board 110 located inside the housing 300 of the gas meter may be fixedly connected to the fixing structure 1211 of the wire stud 121, and the extension structure 1212 of the wire stud 121 is mounted on the housing 300, so that the first circuit board 110 may be fixed on the wire stud 121, and the first circuit board 110 may be fixed in a simple and convenient manner, and the structure is simple and reliable.
Optionally, in addition to the manner of connecting the wire stud 121 and the first circuit board 110 through the first fixing member, in other embodiments, other fixing manners may be adopted between the wire stud 121 and the first circuit board 110, and may be, but are not limited to, a welding connection, a binding connection, an interference fit connection, a threaded connection, and the like. In one example, a clip may be provided on the wire stud 121 and a through hole matching the clip may be provided on the first circuit board 110, or a clip may be provided on the first circuit board 110 and a through hole may be provided on the wire stud 121. The clamping piece penetrates through the through hole to realize connection.
As an embodiment, a locking nut 123 may be disposed at the extension 1212 of the wire stud 121, and the wire stud 121 may be fixed on the housing 300 by the locking nut 123.
An external thread can be arranged on the extension structure 1212, an internal thread matched with the external thread can be arranged on the lock nut 123, and the extension structure 1212 and the lock nut 123 are connected in a threaded mode.
Through the implementation mode, the wire passing stud 121 is provided with the external thread, the wire passing stud 121 is fixed on the shell 300 through the threaded connection between the external thread and the locking nut 123, the installation mode is simple, the wire passing stud 121 can be simply and conveniently installed on the shell 300 of the gas meter, and the structural stability can be improved.
Optionally, a sealing ring 124 may be disposed between the wire stud 121 and the housing 300.
As an embodiment, a sealing ring 124 may be disposed on an end surface of the wire stud 121 abutting against an inner wall of the housing 300, and when the extension structure 1212 of the wire stud 121 passes through the wire hole of the housing 300, the sealing ring 124 on the surface of the fixing structure 1211 of the wire stud 121 may seal the wire hole.
As an embodiment, a sealing ring 124 may be disposed on the outer wall of the housing 300, and when the threaded locking nut 123 is screwed with the threaded extension structure 1212, the sealing ring 124 on the outer wall of the housing 300 may seal the gap between the extension structure 1212 and the locking nut 123, thereby sealing the wire passing hole.
The position on the housing 300 for passing through the wire stud 121 can be reliably sealed by the sealing ring 124, so that gas leakage is avoided.
As shown in fig. 4, a processing chip 210 may be mounted on the second circuit board 200, and the processing chip 210 is used to perform gas volume correction according to the temperature or pressure detected by the detection element 111. The processing chip 210 outside the gas meter case 300 can correct the gas volume according to the temperature or pressure detected by the detection element 111, so that the measurement volume of the gas meter can be corrected, and the gas measurement error can be improved.
Alternatively, the Processing chip 210 may be, but is not limited to, a Central Processing Unit (CPU), an application specific integrated circuit chip, or a field programmable gate array.
Optionally, a display screen 220 may be disposed on the second circuit board 200. The display 220 may be a liquid crystal display 220. The content detected by the inspection element on the first circuit board 110 can be displayed based on the display screen 220 of the second circuit board 200, for example, but not limited to, the current temperature, pressure, current gas usage, balance, and other information can be displayed.
Optionally, a power supply 230 may be further disposed on the second circuit board 200, and the power supply 230 may be a storage battery, a super capacitor, or the like. Therefore, standby electricity can be provided for the gas meter.
Optionally, an alarm 240 may be further disposed on the second circuit board 200, and the alarm 240 may be an indicator light or a buzzer. When the second circuit board 200 determines that the temperature abnormal condition or the pressure abnormal condition exists according to the temperature data or the pressure data transmitted by the first circuit board 110, an alarm 240 can give an alarm.
Optionally, a wireless communication module may be further disposed on the second circuit board 200, and information of the current gas meter may be sent to an external device in a wireless transmission manner based on the wireless communication module, so that a user can perform fast meter reading.
Alternatively, the gas meter may be an NB-IoT (Narrow Band Internet of Things) gas meter.
Based on the same inventive concept, as shown in fig. 5, an embodiment of the present application further provides a gas meter, where the gas meter includes a housing 300, the gas meter detection device 100, and a second circuit board 200.
As shown in fig. 6, the gas meter detection device 100 is attached to a housing 300 of the gas meter.
The gas meter may include a housing 300, a first circuit board 110 (see fig. 1), a wire passing assembly 120, a wire harness 130, and a second circuit board 200.
The first circuit board 110 is mounted inside the housing 300, the first circuit board 110 is mounted with a detection element 111, and the detection element 111 is used for detecting the pressure or temperature inside the gas meter.
The wire passing assembly 120 is fixedly connected to the first circuit board 110, and the wire passing assembly 120 is mounted at the housing 300 and is used for passing through the housing 300 and achieving sealing.
The second circuit board 200 is mounted outside the housing 300.
The wire harness 130 passes through the wire guide assembly 120, and both ends of the wire harness 130 are connected to the first circuit board 110 and the second circuit board 200, respectively.
The first circuit board 110 and the detecting element 111 can be used as a collecting device, and the second circuit board 200 can be used as a processing device. The second circuit board 200 can correct the volume of the fuel gas according to the temperature or pressure detected by the detection element 111, or give an alarm according to the temperature or pressure detected by the detection element 111.
The wire passing assembly 120 may include, among other things, a wire passing stud 121, a wire clip 122, and a lock nut 123.
The wire-passing stud 121 is sleeved on the wire clip 122, and the wire harness 130 passes through the wire clip 122 to connect the first circuit board 110 with the second circuit board 200. The lock nut 123 is used to fix the wire stud 121 to the housing 300.
Wherein, the shape of the outer wall of the line card 122 is matched with the shape of the inner wall of the line stud 121.
Openings are provided in the side walls of the line cards 122. The manner in which the wiring harness 130 passes through the line card 122 may be: radially into the line card 122 from an opening in the side of the line card 122.
Alternatively, the wire stud 121 may include a fixing structure 1211 and an extending structure 1212 having an external thread, the fixing structure 1211 is located inside the housing 300, the fixing structure 1211 is connected to the first circuit board 110 by a first fixing member, and the extending structure 1212 passes through the housing 300 and is mounted on the housing 300.
The shell 300 of the gas meter is provided with gas holes, and the gas holes comprise gas inlet holes and gas outlet holes.
The gas meter can be an NB-IoT (Narrow Band Internet of Things) gas meter.
Optionally, a control switch may be further disposed on the second circuit board 200, and when the second circuit board 200 determines that the abnormal temperature or the abnormal pressure exists, the valve corresponding to the gas meter may be closed through the control switch, so as to stop delivering the gas, and reduce the potential safety hazard.
For other details of the gas meter, reference may be made to the foregoing description about the gas meter detecting device 100 and the second circuit board 200, which is not described herein again.
Through the gas meter, the first circuit board 110 and the second circuit board 200 which are respectively installed inside and outside the housing 300, the wire passing assembly 120 and the wire harness 130 which play a role in guiding and connecting can enable the first circuit board 110 inside the housing 300 and the second circuit board 200 outside the housing 300 to perform stable signal transmission, which is beneficial to efficiently and stably feeding back the environment condition inside the gas meter to the second circuit board 200 outside the gas meter housing 300, so that the second circuit board 200 can process signals from the first circuit board 110. The internal environment of the gas meter can be accurately detected based on the detection element 111 in the first circuit board 110, the signal from the first circuit board 110 can be processed through the second circuit board 200 arranged outside the shell 300, and the second circuit board 200 is prevented from being influenced by gas because the second circuit board is positioned in the gas meter shell 300. Based on the wire passing assembly 120 which is fixedly connected with the first circuit board 110 and can pass through the housing 300 in the gas meter detection device 100, the wire harness 130 for connecting the first circuit board 110 and the second circuit board 200 can be guided from the inside of the housing 300 of the gas meter to the outside of the housing 300, and the structure is simple, convenient and reliable.
In the description of the present application, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed when used, and are only used for convenience of description and simplification of description, but do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected. Either mechanically or electrically. They may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this document, 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.
The above embodiments are merely examples of the present application and are not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A gas meter detection device, characterized in that, the gas meter detection device includes:
the first circuit board is positioned inside a shell of the gas meter, and is provided with a detection element which is used for detecting the pressure or the temperature inside the gas meter;
the gas meter comprises a gas meter shell, a gas passing assembly, a first circuit board and a second circuit board, wherein the gas passing assembly is fixedly connected with the first circuit board and is arranged on the gas meter shell and used for penetrating through the shell and realizing sealing;
the wire harness penetrates through the wire passing assembly to be connected with the first circuit board, and the wire harness further penetrates through the wire passing assembly to be connected with the second circuit board outside the shell.
2. The gas meter detection device of claim 1, wherein the wire passing assembly comprises a wire passing stud, a wire clip and a locking nut;
the wire-passing stud is sleeved on the wire clamp, the wire harness penetrates through the wire clamp to connect the first circuit board with the second circuit board, and the locking nut is used for fixing the wire-passing stud on the shell;
the shape of the outer wall of the wire clamp is matched with the shape of the inner wall of the wire passing stud.
3. The gas meter detection device according to claim 2, wherein an opening is provided on a sidewall of the line card;
the wire harness can be radially placed into the line card from the opening in the side of the line card.
4. The gas meter detection device of claim 2, wherein the wire stud comprises a fixing structure and an extending structure;
the fixing structure is positioned in the shell and is connected with the first circuit board through a first fixing piece;
the extension structure penetrates through the shell and is installed on the shell, and threads are arranged on the extension structure.
5. The gas meter detection device of claim 2, wherein a seal ring is disposed between the wire stud and the housing.
6. The gas meter detection device according to claim 1, wherein a display screen is provided on the second circuit board.
7. The gas meter detection device according to claim 1, wherein a processing chip is mounted on the second circuit board, and the processing chip is configured to perform gas volume correction according to the temperature or pressure detected by the detection element.
8. A gas meter is characterized by comprising a shell, a first circuit board, a wire passing assembly, a wire harness and a second circuit board;
the first circuit board is arranged in the shell, a detection element is arranged on the first circuit board, and the detection element is used for detecting the pressure or temperature in the gas meter;
the wire passing assembly is fixedly connected with the first circuit board, is arranged on the shell and is used for penetrating through the shell and realizing sealing;
the second circuit board is mounted outside the shell;
the wire harness penetrates through the wire passing assembly, and two ends of the wire harness are respectively connected with the first circuit board and the second circuit board.
9. The gas meter of claim 8, wherein the wire passing assembly comprises a wire passing stud, a wire clip and a lock nut;
the wire-passing stud is sleeved on the wire clamp, and the wire harness penetrates through the wire clamp to connect the first circuit board with the second circuit board;
the locking nut is used for fixing the wire passing stud on the shell;
the shape of the outer wall of the wire clamp is matched with the shape of the inner wall of the wire passing stud.
10. The gas meter of claim 9, wherein an opening is provided on a sidewall of the line card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021947655.7U CN213147953U (en) | 2020-09-08 | 2020-09-08 | Gas meter detection device and gas meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021947655.7U CN213147953U (en) | 2020-09-08 | 2020-09-08 | Gas meter detection device and gas meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213147953U true CN213147953U (en) | 2021-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021947655.7U Active CN213147953U (en) | 2020-09-08 | 2020-09-08 | Gas meter detection device and gas meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213147953U (en) |
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2020
- 2020-09-08 CN CN202021947655.7U patent/CN213147953U/en active Active
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