CN109813384B - Anti-disassembly intelligent water meter - Google Patents
Anti-disassembly intelligent water meter Download PDFInfo
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- CN109813384B CN109813384B CN201811639201.0A CN201811639201A CN109813384B CN 109813384 B CN109813384 B CN 109813384B CN 201811639201 A CN201811639201 A CN 201811639201A CN 109813384 B CN109813384 B CN 109813384B
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- electromagnet
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 238000004891 communication Methods 0.000 claims abstract description 26
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 238000013459 approach Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 6
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 230000007246 mechanism Effects 0.000 abstract description 4
- 230000001960 triggered effect Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
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Abstract
The invention provides an anti-disassembly intelligent water meter, which comprises a screw, a contact switch, a first bolt, a first spring, a second bolt and an electromagnet, wherein a chip, a wireless communication module and an infrared receiver are arranged on a circuit board; the anti-disassembly intelligent water meter provided by the invention can send out a signal when the water meter is damaged and disassembled by utilizing the cooperation of the screw and the contact switch, then the wireless communication module is utilized to transmit the condition to the remote monitoring terminal, so that the loss generated after the water meter is disassembled is reduced, the self-locking is performed after the water meter is disassembled by utilizing the design of the double bolts and the electromagnet, the water meter is prevented from being disassembled, and further, the anti-disassembly intelligent water meter can be triggered by an anti-disassembly mechanism through infrared communication when a maintainer performs maintenance, and is beneficial to the later maintenance of the water meter.
Description
Technical Field
The invention relates to an anti-dismantling water meter, in particular to an anti-dismantling intelligent water meter.
Background
The intelligent water meter is used as an advanced electronic and mechanical combined device, and can record and electronically display the water consumption and also can carry out data transmission with a remote host. The electronic module in the intelligent water meter plays a vital role, and lawbreakers often disassemble and replace the module maliciously so as to achieve the purpose of reducing payment, so that the water meter is damaged, water resources are wasted and losses are caused to water supply companies. Therefore, the anti-disassembly design of the intelligent water meter is particularly important.
The conventional anti-dismantling structure only alarms after dismantling, but can not prevent the water meter from being damaged continuously, and still can generate loss. Meanwhile, the general anti-disassembly principle is that a sensor (Hall or dry spring) is arranged on a module assembly, a magnet is arranged on a meter cover, and when the sensor is far away from the magnet by a certain distance, the sensor changes the on-off state, so that the micro-processing unit sends a signal to report the disassembly condition or close the valve. However, the induction distance between the sensor and the magnet in the anti-disassembly structure is difficult to control, namely, the sensor cannot be triggered by the magnet too far, the sensitivity is insufficient if the magnet is too close, and if a magnetic sheet is plugged at the bottom of the module assembly, the magnetic sheet can be disabled, so that the magnetic sheet is very easy to crack.
Disclosure of Invention
First, the technical problem to be solved
The invention aims to provide an anti-disassembly intelligent water meter which has an anti-disassembly self-locking function. In order to achieve the above purpose, the present invention adopts the following technical scheme:
(II) technical scheme
The utility model provides an anti-disassembly intelligent water meter, includes basic table, table cover seat, module box, circuit board, upper cover plate, battery, table cover seat installs on the basic table, the module box slide fastening is on the table cover seat, the battery is installed in this module box, the circuit board is fixed in the module storehouse in the module box and by the upper cover plate covers, the battery passes through the wire with the circuit board and links to each other; the circuit board is provided with a chip, a wireless communication module and an infrared receiver, and the wireless communication module and the infrared receiver are connected with the chip; the side surface of the module box is provided with a switch seat, the contact switch is arranged in the switch seat, and the contact switch is connected with the chip; the screw penetrates through the module box and the watch cover seat, and the bottom end of the screw is contacted with the top of the contact switch to enable the contact switch to be in a long-pass state; the module box is internally provided with a first shaft hole and a second shaft hole which are mutually perpendicular; the first bolt and the second bolt are respectively arranged in the first shaft hole and the second shaft hole, and the first spring and the second spring are respectively sleeved at the tail parts of the first bolt and the second bolt; the watch cover seat is provided with a limiting hole right below the first bolt, and the limiting hole is shielded by the second bolt to enable the first bolt to be placed on the second bolt; the electromagnet is fixed in the module bin at one side of the tail end of the second bolt and is not in direct contact with the second bolt, and the electromagnet is connected with the circuit board through a wire.
Further, the first bolt is a limiting end, a skirt edge and a first spring shaft from bottom to top in sequence, the limiting end is in contact with the second bolt, the diameter of the skirt edge is larger than the inner diameter of the first spring, the diameter of the first spring shaft is smaller than the inner diameter of the first spring, and the first spring shaft is sleeved with the first spring shaft.
Further, the second bolt is provided with a shielding part, an anti-rotor wing and a second spring shaft from outside to inside in sequence, the upper surface of the shielding part is a plane and is contacted with the bottom of the first bolt, the minimum diameter of the anti-rotor wing is larger than the inner diameter of the second spring, the diameter of the second spring shaft is smaller than the inner diameter of the second spring, and the second spring shaft is sleeved with the second spring shaft.
Further, the anti-rotor wing is composed of a cylinder on the inner side and square limiting blocks on two sides of the cylinder, and the second shaft hole is provided with a limiting groove matched with the second shaft hole.
Further, the first spring is in a compressed state.
Further, the second spring is in a free state.
Further, an infrared communication window is formed in the upper cover plate, and the infrared receiver receives infrared signals through the infrared communication window.
Further, the device also comprises a motor and a valve rod, wherein the motor is connected with the chip, and the valve rod is connected with the motor through a gear set.
Preferably, the battery is a lithium battery.
(III) beneficial effects
Compared with the prior art, the invention has obvious advantages and beneficial effects, in particular, by utilizing the cooperation of the screw and the contact switch, a signal can be sent when the water meter is damaged and disassembled, and then the wireless communication module is utilized to transmit the condition to the remote monitoring terminal, so that the loss generated after the water meter is disassembled is reduced; the design of the double bolts and the electromagnet is utilized, so that the water meter is self-locked after being disassembled, and the water meter is prevented from being disassembled; furthermore, the invention can prevent the anti-disassembly mechanism from triggering through infrared communication when maintenance personnel carry out maintenance, thereby being beneficial to the later maintenance of the water meter.
Drawings
The invention will be further described with reference to the accompanying drawings, in conjunction with examples.
FIG. 1 is a schematic overall outline of the present invention;
FIG. 2 is an exploded view of the part of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a cross-sectional view of section A-A of FIG. 3;
FIG. 5 is a partial cross-sectional view of section B-B of FIG. 3;
FIG. 6 is a schematic view of the exterior configuration of the plug portion of the present invention;
FIG. 7 is a schematic view of the configuration of the first latch of the present invention;
FIG. 8 is a schematic view of the external structure of a second latch according to the present invention;
fig. 9 is a communication schematic block diagram of the present invention.
Reference numerals illustrate:
1. base table 2, table cover seat
2a, limiting hole 3 and module box
3a, a module bin 3b and a switch seat
3c, a first shaft hole 3d and a second shaft hole
4. Circuit board 4a, chip
4b, a wireless communication module 4c and an infrared receiver
5. Upper cover plate 5a, infrared communication window
6. Screw 7, contact switch
8. Bolt 8a and limiting end
8b, skirt 8c, first spring shaft
9. Spring one 10 and bolt two
10a, shielding part 10b, anti-rotor wing
10b1, a cylinder 10b2 and a limiting block
10c, a second spring shaft 11, a second spring
12. Electromagnet 12a, battery coil
13. Battery 14, remote monitoring terminal
15. Infrared emitter
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
The invention is further described below with reference to the drawings and detailed description.
Referring to fig. 1 to 9, an anti-dismantling intelligent water meter comprises a base table 1, a meter cover seat 2, a module box 3, a circuit board 4, an upper cover plate 5 and a battery 13, wherein the meter cover seat 2 is installed on the base table 1, the module box 3 is fixedly arranged on the meter cover seat 2 in a sliding manner, the battery 13 is installed in the module box 3, the circuit board 4 is fixedly arranged in a module bin 3a in the module box 3 and is covered by the upper cover plate 5, and the battery 13 is connected with the circuit board 4 through a wire;
the design of the anti-disassembly part comprises a screw 6, a contact switch 7, a first bolt 8, a first spring 9, a second bolt 10, a second spring 11 and an electromagnet 12, wherein:
the circuit board 4 is provided with a chip 4a, a wireless communication module 4b and an infrared receiver 4c, and the wireless communication module 4b and the infrared receiver 4c are connected with the chip 4 a;
the side surface of the module box 3 is provided with a switch seat 3b, the contact switch 7 is arranged in the switch seat, and the contact switch 7 is connected with the chip 4 a; the screw 6 is arranged through the module box 3 and the watch cover seat 2 in a penetrating way, and the bottom end of the screw is contacted with the top of the contact switch 7 to be in a long-pass state;
the module box 3 is provided with a first shaft hole 3c and a second shaft hole 3d which are mutually perpendicular; the first bolt 8 and the second bolt 10 are respectively arranged in the first shaft hole 3c and the second shaft hole 3d, and the first spring 9 and the second spring 11 are respectively sleeved at the tail parts of the first bolt 8 and the second bolt 10;
the watch cover seat 2 is provided with a limiting hole 2a right below the first bolt 8, and the limiting hole 2a is shielded by the second bolt 10 so that the first bolt 8 is placed on the second bolt 10;
the electromagnet 12 is fixed in the module bin 3a at one side of the tail end of the second bolt 10 and is not in direct contact with the second bolt 10, and the electromagnet 12 is connected with the circuit board 4 through a wire.
As shown in fig. 7, the first pin 8 is sequentially provided with a limiting end 8a, a skirt edge 8b and a first spring shaft 8c from bottom to top, the limiting end 8a is in contact with the second pin 10, the diameter of the skirt edge 8b is larger than the inner diameter of the first spring 9, the diameter of the first spring shaft 8c is smaller than the inner diameter of the first spring 9, and the first spring 9 is sleeved on the first spring shaft 8 c.
As shown in fig. 8, the second bolt 10 is provided with a shielding portion 10a, an anti-rotor wing 10b and a second spring shaft 10c in sequence from outside to inside, the upper surface of the shielding portion 10a is a plane and contacts with the bottom of the first bolt 8, the minimum diameter of the anti-rotor wing 10b is larger than the inner diameter of the second spring 11, the diameter of the second spring shaft 10c is smaller than the inner diameter of the second spring 11, and the second spring 11 is sleeved on the second spring shaft 10 c. The anti-rotor wing 10b is composed of a cylinder 10b1 at the inner side and square limiting blocks 10b2 at two sides of the cylinder 10b1, and the second shaft hole 3d is provided with a limiting groove matched with the second shaft hole.
In order to ensure that the first bolt 8 smoothly falls into the limiting hole 2a after the second bolt 10 is retracted, the first spring 9 is in a compressed state, and after the second bolt 10 is retracted, the first bolt 8 rapidly falls into the limiting hole 2a under the elastic force of the first spring 9, so that the module box 3 is prevented from being taken down.
In order to prevent the second spring 11 from pulling the second pin back when it is not necessary to make the first pin 8 drop into the limiting hole 2a, and prevent the elastic force of the second spring 11 from blocking the magnetic force generated by the electromagnet 12, the second spring 11 is in a free state when in use, and the electromagnet 12 attracts the second pin 10 after being electrified to compress the second spring 11.
In order to facilitate the detachment and maintenance of the water meter by a technician, the upper cover plate 5 is provided with an infrared communication window 5a, and the technician can perform data transmission with the infrared receiver 4c through the infrared communication window 5a so as to send an instruction to the chip 4a, so that the electromagnet 12 is not electrified any more.
In order to further protect the water meter and prevent illegal use of tap water, a motor and a valve rod are further arranged in the water meter, the motor is connected with the chip 4a, the valve rod is connected with the motor through a gear set, the motor receives signals sent by the chip 4a and then enables the valve rod to rotate through the gear set, and a water way of the water meter is closed, so that the water meter is not connected with water any more.
In order to increase the service life of the whole water meter and prevent the whole water meter from being dead in the design life, the battery 13 is a lithium battery, has higher energy density and is beneficial to improving the service life of the intelligent module of the water meter and the disassembly-prevention design.
The circuit principle of the invention is shown in a block diagram in fig. 9, a chip 4a, a wireless communication module 4b and an infrared receiver 4c are arranged on the circuit board 4, and the wireless communication module 4b and the infrared receiver 4c are connected with the chip 4 a; the chip 4a is used for processing various signals to make corresponding operations; the infrared receiver 4c is responsible for communicating with an external infrared emitter 15 to confirm whether the electromagnetic coil 12a is electrified according to the signal sent by the contact switch; the wireless communication module 4b is responsible for communicating with an external remote monitoring terminal 14 so as to report the use data or the disassembled information of the water meter to the terminal; the battery 13 is controlled by the chip 4a to energize the respective components individually.
The anti-disassembly principle and the trigger mechanism of the invention are as follows:
when an illegal molecule dismounts the water meter, the screw 6 is firstly unscrewed, at the moment, the screw 6 inevitably leaves the contact switch 7, so that the contact switch 7 is in an off state, at the moment, the chip 4a on the circuit board 4 receives a signal and transmits the signal to the remote monitoring terminal 14 through the wireless communication module 4b, and meanwhile, the chip 4a sends an instruction to electrify the battery coil 12a on the electromagnet 12, so that the electromagnet 12 generates a magnetic field and generates suction force to the bolt II 10, and the electromagnet 12 approaches to the electromagnet 12; at this time, the limiting hole 2a is no longer shielded by the second bolt 10, and under the action of the elastic force of the first spring 9, the first bolt 8 rapidly falls into the limiting hole 2a, so that the module box 3 is prevented from moving left and destructive disassembly is prevented;
the technician can disassemble and repair the water meter, and can use the infrared transmitter 15a to perform data transmission with the infrared receiver 4c to send a command to the chip 4a, so that the chip can not execute related operations after the screw is disassembled, and the electromagnet 12 can not be electrified any more.
The invention has the design key points that by utilizing the cooperation of the screw and the contact switch, a signal can be sent when the water meter is damaged and detached, and then the wireless communication module is utilized to transmit the condition to the remote monitoring terminal, so that the loss generated after the water meter is detached is reduced; the design of the double bolts and the electromagnet is utilized, so that the water meter is self-locked after being disassembled, and the water meter is prevented from being disassembled; furthermore, the invention can prevent the anti-disassembly mechanism from triggering through infrared communication when maintenance personnel carry out maintenance, thereby being beneficial to the later maintenance of the water meter.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present invention still fall within the scope of the technical solutions of the present invention.
Claims (9)
1. The utility model provides an prevent tearing open intelligent water gauge, includes basic table, table cover seat, module box, circuit board, upper cover plate, battery, table cover seat is installed on the basic table, the module box slide-fixing in on the table cover seat, the battery is installed in this module box, the circuit board is fixed in the module storehouse in the module box and by the upper cover plate covers, the battery passes through the wire with the circuit board and links to each other its characterized in that: the circuit board is provided with a chip, a wireless communication module and an infrared receiver, and the wireless communication module and the infrared receiver are connected with the chip; the side surface of the module box is provided with a switch seat, the contact switch is arranged in the switch seat, and the contact switch is connected with the chip; the screw penetrates through the module box and the watch cover seat, and the bottom end of the screw is contacted with the top of the contact switch to enable the contact switch to be in a long-pass state; the module box is internally provided with a first shaft hole and a second shaft hole which are mutually perpendicular; the first bolt and the second bolt are respectively arranged in the first shaft hole and the second shaft hole, and the first spring and the second spring are respectively sleeved at the tail parts of the first bolt and the second bolt; the watch cover seat is provided with a limiting hole right below the first bolt, and the limiting hole is shielded by the second bolt to enable the first bolt to be placed on the second bolt; the electromagnet is fixed in the module bin at one side of the tail end of the second bolt and is not in direct contact with the second bolt, and the electromagnet is connected with the circuit board through a wire; when the screw is unscrewed and leaves the electric shock switch, the chip sends an instruction to electrify the electromagnet, and the electromagnet generates a magnetic field and generates suction force to the second plug pin to enable the second plug pin to approach the electromagnet; the limiting hole is not blocked by the second bolt after the second bolt is close to the electromagnet, and the first bolt falls into the limiting hole under the action of the elastic force of the first spring and is used for preventing the module box from being detached.
2. The tamper-evident intelligent water meter of claim 1, wherein: the first bolt is a limiting end, a skirt edge and a first spring shaft from bottom to top in sequence, the limiting end is in contact with the second bolt, the diameter of the skirt edge is larger than the inner diameter of the first spring, the diameter of the first spring shaft is smaller than the inner diameter of the first spring, and the first spring is sleeved on the first spring shaft.
3. The tamper-evident intelligent water meter of claim 1, wherein: the second bolt is provided with a shielding part, an anti-rotor wing and a second spring shaft from outside to inside in sequence, the upper surface of the shielding part is a plane and is contacted with the bottom of the first bolt, the minimum diameter of the anti-rotor wing is larger than the inner diameter of the second spring, the diameter of the second spring shaft is smaller than the inner diameter of the second spring, and the second spring shaft is sleeved with the second spring shaft.
4. A tamper-evident intelligent water meter as defined in claim 3, wherein: the anti-rotor wing consists of a cylinder on the inner side and square limiting blocks on two sides of the cylinder, and the second shaft hole is provided with a limiting groove matched with the second shaft hole.
5. The tamper-evident intelligent water meter of claim 1, wherein: the first spring is in a compressed state.
6. The tamper-evident intelligent water meter of claim 1, wherein: and the second spring is in a free state.
7. The tamper-evident intelligent water meter of claim 1, wherein: an infrared communication window is arranged on the upper cover plate, and the infrared receiver receives infrared signals through the infrared communication window.
8. The tamper-evident intelligent water meter of claim 1, wherein: the motor is connected to the chip, and the valve rod is connected with the motor through a gear set.
9. The tamper-evident intelligent water meter of claim 1, wherein: the battery is a lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811639201.0A CN109813384B (en) | 2018-12-29 | 2018-12-29 | Anti-disassembly intelligent water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811639201.0A CN109813384B (en) | 2018-12-29 | 2018-12-29 | Anti-disassembly intelligent water meter |
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| Publication Number | Publication Date |
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| CN109813384A CN109813384A (en) | 2019-05-28 |
| CN109813384B true CN109813384B (en) | 2023-12-05 |
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| CN201811639201.0A Active CN109813384B (en) | 2018-12-29 | 2018-12-29 | Anti-disassembly intelligent water meter |
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| CN111537034B (en) * | 2020-05-22 | 2024-08-02 | 上海飞奥燃气设备有限公司 | Anti-disassembly type wireless remote transmission diaphragm gas meter |
| CN114216529A (en) * | 2020-09-04 | 2022-03-22 | 成都秦川物联网科技股份有限公司 | Anti-disassembly structure of meter reading module of Internet of things intelligent gas meter |
| CN113280882A (en) * | 2020-10-16 | 2021-08-20 | 江苏棠梨智能科技有限公司 | Fully-sealed intelligent water meter anti-theft device |
| CN112444298B (en) * | 2020-11-09 | 2022-12-09 | 湖南常德牌水表制造有限公司 | Water meter dismounting alarm device |
| CN115062746B (en) * | 2022-06-15 | 2023-04-25 | 昆山市倍智信息咨询顾问有限公司 | Method for remotely monitoring machining by using die counting device and die counting device |
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|---|---|---|---|---|
| CH611966A5 (en) * | 1976-11-05 | 1979-06-29 | Leuthold Robert Maschinenbau A | Alarm device against intrusion into a room accessible by means of a movable structural part, such as doors, and secured by a lock |
| KR200166049Y1 (en) * | 1999-07-02 | 2000-02-15 | 김영종 | Water meter for remote control detector |
| CN2872026Y (en) * | 2006-01-18 | 2007-02-21 | 重庆市智能水表有限责任公司 | Front valve of multifunctional magnetic-controlled meter |
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| CN109813384A (en) | 2019-05-28 |
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