CN210603447U - Gas meter control box - Google Patents
Gas meter control box Download PDFInfo
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- CN210603447U CN210603447U CN201922086291.1U CN201922086291U CN210603447U CN 210603447 U CN210603447 U CN 210603447U CN 201922086291 U CN201922086291 U CN 201922086291U CN 210603447 U CN210603447 U CN 210603447U
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- normally closed
- gas meter
- control box
- circuit board
- microswitch
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Abstract
The utility model discloses a gas meter control box, which comprises a box body, wherein a circuit board mounting bin and a battery mounting bin are arranged in the box body; the box body is formed by butting a front cover and a rear shell, and the front cover and the rear shell are fixedly connected through a connecting piece; the method is characterized in that: the anti-disassembly normally closed type microswitch is fixed in the box body, an action part of the anti-disassembly normally closed type microswitch is pressed after the front cover is in butt joint with the rear shell, and the action part of the anti-disassembly normally closed type microswitch can be reset, closed and conducted after the front cover is separated from the rear shell; the anti-dismantling normally closed microswitch is electrically connected with the controller on the circuit board through a pin, and the alarm is electrically connected with the controller on the circuit board. The utility model discloses gas table control box can help in time to discover to be dismantled, has the better warning effect of preventing tearing open.
Description
Technical Field
The utility model belongs to the gas table field, concretely relates to gas table control box.
Background
The gas meter is an important gas metering instrument, and needs to be disassembled, assembled, replaced or maintained by professional organization personnel, otherwise, the gas meter is very easy to cause gas leakage, and huge potential safety hazards exist in private assembly and disassembly. In order to avoid private disassembly of the gas meter, a lead seal is usually installed at the butt joint of the gas meter housing for sealing and preventing private disassembly.
There are various types of gas meters, one of them is a prepaid (or called prepaid) gas meter (for example, "an intelligent gas meter with a touch keyboard and a control method thereof" disclosed in CN 110442060A), and a prepaid code is input through a numeric keypad of the gas meter to realize prevention or charging. However, just based on the prepayment or recharging function of the gas meter, a lawless person tries to illegally crack and earns benefits from the control box by disassembling the gas meter control box and connecting the control box with a circuit board by using a computer and a data wire. However, the existing prepaid gas meter still only adopts a lead seal to passively prevent private disassembly, which also causes that private disassembly behavior is difficult to be discovered in time.
Based on this, the applicant considers to design a gas meter control box capable of helping to find the disassembled gas meter control box in time.
Disclosure of Invention
To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide a gas meter control box which can help to find the disassembled gas meter control box in time.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a gas meter control box comprises a box body, wherein a circuit board mounting bin and a battery mounting bin are arranged in the box body; the box body is formed by butting a front cover and a rear shell, and the front cover and the rear shell are fixedly connected through a connecting piece; the method is characterized in that:
the anti-disassembly normally closed type microswitch is fixed in the box body, an action part of the anti-disassembly normally closed type microswitch is pressed after the front cover is in butt joint with the rear shell, and the action part of the anti-disassembly normally closed type microswitch can be reset, closed and conducted after the front cover is separated from the rear shell;
the anti-dismantling normally closed microswitch is electrically connected with the controller on the circuit board through a pin, and the alarm is electrically connected with the controller on the circuit board.
Compared with the prior art, the utility model discloses the advantage that gas table control box has is:
prevent tearing open with closed type micro-gap switch setting inside gas table control box, the accessible box body forms effective protection, and the disguise is better. And after the box body is privately dismounted by other people and the front cover and the rear shell are separated, the anti-dismounting normally closed microswitch is closed and conducted, and then the alarm sends out an alarm signal for dismounting the gas meter, so that a privately dismounted person is warned and related personnel are reminded.
It is from top to bottom visible, the utility model discloses gas table control box can help in time to discover to be dismantled, has the better warning effect of preventing tearing open.
Drawings
Fig. 1 is a schematic structural diagram of a gas meter control box of the utility model mounted on a gas meter shell.
Fig. 2 is a schematic structural diagram of a gas meter control box of the utility model mounted on a gas meter shell.
Fig. 3 is a gas meter shell body with the explosion diagram (front side view angle) of the gas meter control box of the utility model.
Fig. 4 is an enlarged view of a portion a in fig. 3.
Fig. 5 is an enlarged view of fig. 3 at B.
Fig. 6 is a gas meter shell body with the explosion diagram (rear side view angle) of the gas meter control box.
Fig. 7 is a schematic structural view of the battery compartment cover in fig. 6.
Fig. 8 is a schematic structural diagram of the transparent panel in fig. 6.
Labeled as:
1, front cover: 11 lugs, 12 battery mounting bins and 13 data interfaces;
2, a rear shell;
3 anti-disassembly normally closed microswitch: 31 an operation part;
4, battery compartment cover: 41 guide cylinders, 42 convex columns and 43 reinforcing rib blocks;
5, transparent panel: 51 bumps.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In the specific implementation: as shown in fig. 1 to 8, a gas meter control box comprises a box body, wherein a circuit board mounting bin and a battery mounting bin 12 are arranged in the box body; the box body is formed by butting a front cover 1 and a rear shell 2, and the front cover 1 and the rear shell 2 are fixedly connected through a connecting piece;
the anti-disassembly normally closed type microswitch 3 is fixed in the box body, an action part 31 of the anti-disassembly normally closed type microswitch 3 is pressed after the front cover 1 is in butt joint with the rear shell 2, and the action part 31 of the anti-disassembly normally closed type microswitch 3 can be reset, closed and conducted after the front cover 1 is separated from the rear shell 2;
the anti-dismantling normally closed microswitch 3 is electrically connected with the controller on the circuit board through a pin, and the alarm is electrically connected with the controller on the circuit board.
In implementation, the two side edges of the front cover 1 are provided with lugs 11 for lead sealing and hanging.
Thus, the lead seal, the normally closed microswitch 3 for preventing disassembly, the alarm and the circuit board can form a double anti-disassembly structure, and a better anti-disassembly effect is achieved.
Wherein, the pins of the anti-disassembly normally closed micro switch 3 are welded and installed on the circuit board.
Thus, the installation structure of the anti-dismantling normally closed microswitch 3 in the box body can be further simplified, and the stable effect of the anti-dismantling normally closed microswitch 3 is effectively ensured.
The anti-disassembly normally-closed microswitch 3 is integrally arranged on the back of the circuit board, a pressing column is convexly formed on the inner side surface of the rear shell 2, and the pressing column presses against the action part 31 of the anti-disassembly normally-closed microswitch 3.
The components on the circuit board are generally intensively arranged on the front side of the circuit board, and the anti-dismantling normally-closed microswitch 3 is arranged on the back side of the circuit board, so that the compact front side area of the circuit board cannot be occupied, and the layout and the space among the existing components are more reasonable; in addition, the space in the box body at the back side of the circuit board can be more fully utilized.
Wherein, the alarm is one or two of a sound alarm, an audible and visual alarm or a wireless signal transmitter.
Therefore, the sound alarm or the acousto-optic alarm can realize in-situ alarm; the wireless signal transmitter can realize remote alarm, and the wireless signal transmitter are matched to obtain a better alarm effect.
The periphery of the circuit board is fixed on the back face of the front cover 1 through screws, the battery mounting bin 12 is formed in the lower side of the front cover 1 in an inwards concave mode, and the battery mounting bin 12 is further provided with a battery bin cover 4.
After the structure is adopted, the battery is more convenient to replace; the length between the battery and the circuit board can be shortened, and the using amount of the connecting cable is saved. In addition, the front cover 1 with the structure can be processed and molded by adopting an injection molding process, is easy for mass production, and reduces the manufacturing cost.
The battery installation bin 12 is internally provided with a data interface 13 electrically connected with a controller of the circuit board;
a normally closed microswitch 3 for preventing disassembly is fixedly arranged in the battery installation bin 12, and a pin of the normally closed microswitch 3 for preventing disassembly is electrically connected with a controller on the circuit board through a cable;
the battery compartment cover 4 is fixed on the front cover 1 through a connecting piece, and the action part 31 of the anti-disassembly normally closed microswitch 3 is pressed by the battery compartment cover 4.
After adopting above-mentioned structure, not only be convenient for the gas table maintainer unpack the battery storehouse lid 4 back fast apart, utilize the data line to be connected circuit board and computer to accomplish the inspection or the data update of circuit board fast, promote the convenience of use.
Meanwhile, the arrangement of the anti-disassembly normally closed microswitch 3 can immediately send out an alarm signal after the battery bin cover 4 is disassembled, thereby playing a better anti-disassembly warning role.
Wherein, a guide cylinder 41 is convexly formed at the rear side of the rear side surface of the battery compartment cover 4, and a counter sink communicated with the guide cylinder 41 is arranged at the front side of the battery compartment cover 4; the inner wall of the battery bin is provided with a threaded connecting hole which is opposite to the guide cylinder 41; the battery compartment cover 4 is fixed by screws inserted into the countersunk holes, the guide cylinders 41 and the threaded connection holes.
The battery compartment cover 4 is simple to assemble, the battery compartment cover 4 can be reliably fixed through one screw, and the battery compartment cover 4 can be more efficiently assembled and disassembled.
The rear side surface of the battery compartment cover 4 is convexly provided with a convex column 42, and the convex column 42 is used for abutting against the action part 31 of the anti-dismantling normally closed microswitch 3.
Therefore, reliable abutting can be achieved through the convex column 42, the reliability of the alarm function is better ensured, and the anti-false-alarm function is better.
Wherein, the cross section of the convex column 42 is in a cross-shaped structure.
Thus, the outer end surface of the convex column 42 has a large covering area and cannot reliably press against the action part 31 of the normally closed microswitch; and the method also has the advantages of more material saving and firmer structural strength.
Wherein, a plurality of reinforcing rib blocks 43 are fixedly arranged on the inner side surface of the battery compartment cover 4.
Therefore, the structural strength of the battery compartment cover 4 can be effectively enhanced, and the structural reliability of the battery compartment cover 4 can be better ensured.
When the counter is implemented, a reading window for exposing a digital display part of the counter is further arranged on the front cover 1, a transparent panel 5 is fixed on the inner side of the reading window through ultrasonic welding, two side edges of the transparent panel 5 are respectively provided with a convex block 51 protruding backwards, and a strip-shaped jack is arranged on the convex block 51 and is adjacent to the transparent panel 5 in a penetrating manner;
the counter further comprises a data plate (not shown in the figure), a through hole for exposing the digital display part of the counter is formed in the data plate, protruding pieces protruding outwards transversely are arranged on the edges of the two sides of the data plate, and the protruding pieces are correspondingly inserted into strip-shaped insertion holes of the protruding blocks 51 to achieve limiting and fixing.
The structure of the reading window has the advantages of good forming quality and convenience in assembling the nameplate.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the technical scope of the present invention, and the technical scope of the present invention is also considered to fall into the scope of the claims.
Claims (10)
1. A gas meter control box comprises a box body, wherein a circuit board mounting bin and a battery mounting bin are arranged in the box body; the box body is formed by butting a front cover and a rear shell, and the front cover and the rear shell are fixedly connected through a connecting piece; the method is characterized in that:
the anti-disassembly normally closed type microswitch is fixed in the box body, an action part of the anti-disassembly normally closed type microswitch is pressed after the front cover is in butt joint with the rear shell, and the action part of the anti-disassembly normally closed type microswitch can be reset, closed and conducted after the front cover is separated from the rear shell;
the anti-dismantling normally closed microswitch is electrically connected with the controller on the circuit board through a pin, and the alarm is electrically connected with the controller on the circuit board.
2. The gas meter control box according to claim 1, characterized in that: and the anti-dismounting normally closed microswitch pin is welded and installed on the circuit board.
3. The gas meter control box according to claim 2, characterized in that: the anti-disassembly normally closed microswitch is integrally arranged on the back surface of the circuit board, a pressing column is convexly formed on the inner side surface of the rear shell, and the pressing column presses against an action part of the anti-disassembly normally closed microswitch.
4. The gas meter control box according to any one of claims 1 to 3, characterized in that: the alarm is any one or two of a sound alarm, an audible and visual alarm or a wireless signal transmitter.
5. The gas meter control box according to any one of claims 1 to 3, characterized in that: the periphery of the circuit board is fixed on the back face of the front cover through screws, the battery mounting bin is formed on the lower side of the front cover in an inwards concave mode, and the battery mounting bin is further provided with a battery bin cover.
6. The gas meter control box according to claim 5, characterized in that: a data interface electrically connected with the controller of the circuit board is arranged in the battery mounting bin;
the battery installation bin is internally and fixedly provided with an anti-dismounting normally closed microswitch, and a pin of the anti-dismounting normally closed microswitch is electrically connected with a controller on the circuit board through a cable;
the battery compartment cover is fixed on the front cover through a connecting piece, and the action part of the anti-dismounting normally-closed microswitch is pressed by the battery compartment cover.
7. The gas meter control box according to claim 6, characterized in that: a guide cylinder is convexly formed at the rear side of the rear side surface of the battery compartment cover, and a counter sink communicated with the guide cylinder is arranged at the front side of the battery compartment cover; the inner wall of the battery bin is provided with a threaded connecting hole which is opposite to the guide cylinder; the battery bin cover is fixed through screws inserted in the countersunk holes, the guide cylinders and the threaded connecting holes.
8. The gas meter control box according to claim 6, characterized in that: the rear side surface of the battery compartment cover is convexly provided with a convex column which is used for abutting against the action part of the anti-dismounting normally closed microswitch.
9. The gas meter control box according to claim 8, characterized in that: the cross section of the convex column is of a cross-shaped structure.
10. The gas meter control box according to claim 5, characterized in that: a plurality of reinforcing rib blocks are fixedly arranged on the inner side surface of the battery bin cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922086291.1U CN210603447U (en) | 2019-11-28 | 2019-11-28 | Gas meter control box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922086291.1U CN210603447U (en) | 2019-11-28 | 2019-11-28 | Gas meter control box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210603447U true CN210603447U (en) | 2020-05-22 |
Family
ID=70693956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922086291.1U Active CN210603447U (en) | 2019-11-28 | 2019-11-28 | Gas meter control box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210603447U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021232654A1 (en) * | 2020-05-22 | 2021-11-25 | 上海飞奥燃气设备有限公司 | Anti-disassembly diaphragm gas meter with wireless remote-reading |
-
2019
- 2019-11-28 CN CN201922086291.1U patent/CN210603447U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021232654A1 (en) * | 2020-05-22 | 2021-11-25 | 上海飞奥燃气设备有限公司 | Anti-disassembly diaphragm gas meter with wireless remote-reading |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 69, Mount Huangshan Avenue, Yubei District, Chongqing, Chongqing Patentee after: Chongqing Qianwei watch Co., Ltd Address before: 401121 No. 69, Mount Huangshan Avenue, Yubei District, Chongqing Patentee before: QIANWEI KROMSCHRODER METERS (CHONGQING) Co.,Ltd. |