Lead seal with active early warning function

Abstract

The utility model provides a lead seal with an active early warning function, which is used for being mounted at a joint of a metering instrument and comprises a shell, a lead seal and an early warning device, the shell is buckled at the joint; an active early warning device is arranged in the shell, and the active early warning device is used for sending out an early warning signal when the shell is detached and separated from the joint. The anti-theft device is used at a joint of a gas and tap water metering instrument and a pipeline and is used for preventing theft and damage behaviors from being found in time. By providing the active early warning device, the early warning signal can be generated at the monitoring end of the Internet of Things when a gas user privately destroys the lead seal, so that an active reminding function can be realized, and compared with a scheme in the prior art that whether the lead seal is unique or destroyed or not can be checked during inspection, the scheme of the application enables the protection of the lead seal to be more comprehensive.

Description

Technical Field

[0001] This application relates to the technical field of instrument seals, and particularly relates to a seal with an active warning function. Background Art

[0002] Existing gas and water metering instruments are sealed at the meter connection. The seal material is either plastic or metal. By setting the seal, the problem of illegal disassembly of the instrument can be reduced to a certain extent.

[0003] For example, in the patent with the patent number CN202321494611.7, a seal structure is disclosed, including: a fixed outer shell that is snapped onto the connection; an NFC chip is arranged inside the fixed outer shell, and the NFC chip is used for the identification mark of the metering instrument. By recording the UID of the NFC chip in the metering instrument file. By designing the shape of the seal and implanting an NFC chip inside it, the uniqueness of the seal and its irrecoverability after being damaged are ensured by using the uniqueness and non-modifiability of the NFC chip UID. It not only retains the characteristics of easy replacement and low cost of plastic seals, but also increases the uniqueness of the seal and its irrecoverability after being damaged. Choosing NFC instead of the lower-cost RFID is to solve the problem that users in the traditional gas and water industries lack media facilities. Multiple means such as writing the enterprise official website address, customer service phone number, and payment page address into the NFC chip can be used to establish an interaction channel between users and enterprises. Since the NFC module has become a standard configuration of the vast majority of smartphones, a reader does not need to be equipped during the communication process, effectively reducing costs.

[0004] However, during the use of the product provided by this existing technology, only when the gas inspection personnel arrive at the user's home can they check whether the seal is intact and whether it corresponds uniquely. And gas inspection has a certain cycle, and the integrity of the seal still cannot be ensured during the inspection gap period. Summary of the Invention

[0005] This application provides a seal with an active warning function. It is used to solve the technical problem that in the existing technology, gas inspection has a certain cycle, and the integrity of the seal still cannot be ensured during the inspection gap period. The specific solution is as follows:

[0006] This application provides a seal with an active warning function, which is used to be installed at the connection of a metering instrument, including: a housing;

[0007] The housing is snapped onto the connection; an active warning device is arranged inside the housing, and the active warning device is used to send a warning signal when the housing is disassembled and separated from the connection.

[0008] Optionally, the active warning device includes: a controller, a communication module, a memory, a fixer, a sensor, a power supply;

[0009] The controller is respectively connected to the communication module, the memory, and the sensor; the power supply supplies power to the controller, the communication module, the sensor, and the memory.

[0010] The sensor is arranged on the fixture, the fixture is connected to the housing, and the fixture is used to fix the sensor inside the housing.

[0011] The power supply is connected to the sensor and used to supply power to the sensor.

[0012] Optionally, the active warning device is a trigger alarm, the trigger alarm is arranged inside the housing, and when the housing is separated, the trigger alarm emits a warning signal.

[0013] Optionally, the housing includes: a first buckle member and a second buckle member; the first buckle member is snap-connected to the second buckle member.

[0014] The sensor is connected to the Internet of Things. When the first buckle member and the second buckle member are snap-fixed, the detection result of the sensor is the first parameter. When the first buckle member and the second buckle member are disassembled and separated, the detection result of the sensor is the second parameter. When the detection parameter of the sensor changes from the first parameter to the second parameter, the sensor generates a warning signal at the monitoring end of the Internet of Things based on the Internet of Things.

[0015] Optionally, the sensor is a pressure sensor; the pressure sensor is arranged between the first buckle member and the second buckle member.

[0016] When the first buckle member and the second buckle member are snap-fixed, the pressure sensor is squeezed by the first buckle member and the second buckle member. When the first buckle member and the second buckle member are disassembled and separated, the pressure sensor loses pressure, and the pressure sensor generates a warning signal at the monitoring end of the Internet of Things.

[0017] Optionally, the sensor is an infrared sensor; the infrared output end of the infrared sensor is arranged on the first buckle member, and the infrared receiving end of the infrared sensor is arranged on the second buckle member.

[0018] When the first buckle member and the second buckle member are snap-fixed, the signal emitted by the infrared output end of the infrared sensor is received by the infrared receiving end. When the first buckle member and the second buckle member are disassembled and separated, the infrared receiving end of the infrared sensor loses the signal, and the infrared receiving end generates a warning signal at the monitoring end of the Internet of Things.

[0019] Optionally, the sensor is a displacement sensor; the displacement sensor is disposed on the first buckle member and / or the second buckle member;

[0020] When the first buckle member is snap-fitted and fixed to the second buckle member, the position of the displacement sensor remains relatively unchanged; when the first buckle member and the second buckle member are disassembled and separated, the position of the displacement sensor changes, and the displacement sensor generates a warning signal at the Internet of Things monitoring end.

[0021] Optionally, the sensor is a magnetic induction sensor; the magnetic induction sensor is disposed on the first buckle member and / or the second buckle member;

[0022] When the first buckle member is snap-fitted and fixed to the second buckle member, the magnetic field of the magnetic induction sensor remains relatively unchanged; when the first buckle member and the second buckle member are disassembled and separated, the magnetic field of the magnetic induction sensor changes, and the magnetic induction sensor generates a warning signal at the Internet of Things monitoring end.

[0023] Optionally, an extension pipe is provided at the opening of the housing, and the extension pipe is used to wrap the side wall of the pipe connected to the measuring instrument; the extension pipe includes a first extension pipe and a second extension pipe; the first extension pipe is connected to the end of the first buckle member, and the second extension pipe is connected to the end of the second buckle member.

[0024] Optionally, a first locking protrusion and a first lock are provided on the first buckle member; a second locking protrusion and a second lock are provided on the second buckle member; the first locking protrusion is engaged and clamped with the second lock, and the second locking protrusion is engaged and clamped with the first lock.

[0025] Optionally, a through hole is formed in the first buckle member, and a plurality of locking pieces are uniformly arranged in the circumferential direction of the through hole. The locking pieces face the outside of the inner cavity of the housing, and each of the locking pieces forms the first lock, and the first lock is used to lock the second locking protrusion;

[0026] The structure of the first lock is the same as that of the second lock.

[0027] Optionally, the measuring instrument is connected to the pipe through a nut; the housing surrounds and locks the outside of the nut, and when the housing is connected to the nut, the nut is not exposed.

[0028] Compared with the prior art, the present application has the following advantages:

[0029] The present application provides a seal with an active warning function, which is used to be installed at the joint of a metering instrument and includes: a housing; the housing is snapped onto the joint; an active warning device is arranged inside the housing, and the active warning device is used to send a warning signal when the housing is disassembled and separated from the joint. It is used at the joints of gas and tap water metering instruments and pipelines to prevent theft and damage from not being detected in time. By providing the active warning device, when a gas user privately damages the seal, a warning signal can be generated at the monitoring end of the Internet of Things, so that the function of active reminder can be realized. Compared with the prior art in which it is only possible to check whether the seal is unique or damaged during inspection rounds, the solution of the present application makes the protection of the seal more comprehensive. Description of the Drawings

[0030] Figure 1 is a schematic installation structure diagram of a seal with an active warning function.

[0031] Figure 2 is a schematic cross-sectional structure diagram of a seal with an active warning function.

[0032] Figure 3 is Figure 1 a partial structure diagram of...

[0033] Figure 4 is a schematic structure diagram of the housing.

[0034] Figure 5 is another schematic structure diagram of the housing.

[0035] Figure 6 is a disassembled structure diagram of the housing and the sensor.

[0036] Figure 7 is yet another schematic structure diagram of the housing.

[0037] Reference Signs:

[0038] 1. Housing; 2. Sensor; 3. First snap member; 4. Second snap member; 5. Extension pipe; 6. First extension pipe; 7. Second extension pipe; 8. First locking protrusion; 9. First lock; 10. Second locking protrusion; 11. Second lock; 12. Through hole; 13. Locking piece; 14. Nut; 15. Pipe. Detailed Embodiments

[0039] In order to enable those skilled in the art to better understand the technical solution of the present application, the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present application. However, the present application can be implemented in many other ways different from the following description. Therefore, based on the embodiments provided in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0040] It should be noted that the terms "first", "second", "third", etc. in the claims, the description and the drawings of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. Such data can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than that shown or described herein. In addition, the terms "comprising", "having" and their variants are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0041] Explanation of professional terms involved in the present application:

[0042] ABS: Acrylonitrile Butadiene Styrene is a thermoplastic polymer material structure with high strength, good toughness and easy processing. ABS resin is a terpolymer of acrylonitrile, 1,3-butadiene and styrene.

[0043] Table joint lead seal: Nuts 14 are used to connect the gas meter and the water meter to the pipeline 15. In order to ensure that the gas meter and the water meter are not removed and damaged for theft, enterprises will apply lead seals at the joints between the instrument and the pipeline 15.

[0044] However, in the process of using the products provided by the prior art, only when the gas inspection personnel arrive at the user's home can they check whether the lead seal is intact and whether it corresponds uniquely. And gas inspection has a certain cycle, and the integrity of the lead seal still cannot be ensured during the inspection gap period.

[0045] See the appendix Figures 1-7 , the present application provides a lead seal with an active warning function, which is used to be installed at the joint of the metering instrument, and includes: a housing 1; the housing 1 is buckled at the joint; an active warning device is arranged inside the housing 1, and the active warning device is used to emit a warning signal when the housing 1 is disassembled and separated from the joint.

[0046] In this embodiment, the above-mentioned metering instrument can be a gas meter, a water meter, etc., and this application does not limit it.

[0047] In this embodiment, the material of the above-mentioned shell 1 can be ABS plastic material. ABS plastic has excellent performance. It performs normally in an environment of -25℃ to 60℃ and has good formability. The processed product has a smooth surface, is easy to dye and electroplate, and can be mixed with a variety of resins into a blend. It is now mainly used for alloys, plastics and ABS grades. ABS material is opaque, light ivory in appearance, non-toxic, odorless, and has the characteristics of toughness, hardness and rigidity. It burns slowly, the flame is yellow, and there is black smoke. After burning, the plastic softens and burns, and emits a special cinnamon smell, but there is no melting dripping phenomenon. It fully meets the indoor installation scenario of the metering instrument.

[0048] In this embodiment, the shape of the above-mentioned shell 1 can be various. The shape shown in the accompanying drawings is only one of the multiple shapes. Its shape can be spherical, rectangular, etc., or any other regular or irregular shape. This application does not limit it. In this embodiment, the purpose of setting the above-mentioned shell 1 is to cover the joints of the measuring instrument to avoid exposure, thereby achieving the function of preventing the unauthorized disassembly of the measuring instrument.

[0049] In this embodiment, the above-mentioned active warning device may include: a controller, a communication module, a memory, a fixer, a sensor 2, and a power supply; the controller is respectively connected to the communication module, the memory, and the sensor; the power supply supplies power to the controller, the communication module, the sensor 2, and the memory; the sensor 2 is arranged on the fixer, the fixer is connected to the housing 1, and the fixer is used to fix the sensor 2 in the housing 1; the power supply is connected to the sensor 2 for supplying power to the sensor 2.

[0050] In this embodiment, the controller can be a microcontroller or a microprocessor, which can be purchased directly. The memory can be a directly purchased memory, which can be directly connected to the controller or integrated on a PCB board. This application does not limit this. Working principle: The sensor device acquires the state change and generates an analog signal. After the microcontroller or microprocessor acquires the alarm analog signal, it processes the signal to generate alarm information and trigger an alarm action. The communication module transmits the alarm information to the server, and the server UI interface generates corresponding records and displays the status.

[0051] In this embodiment, the main function of the memory is to store historical data or sensor data, mainly to solve the problem of local data preservation when the communication module fails.

[0052] In this application, the sensors involved can all be directly purchased. The program methods for generating and transmitting sensor status control signals all belong to conventional technical means in this field, and this application has not made any improvements to them. For example, the patent with the patent number CN106882117A discloses a rollover warning device for a dump truck's lifting operation based on an inclination angle sensor, which relates to the technical field of dump truck anti-rollover warning devices. The rollover warning device of the present invention includes a rear axle inclination angle sensor, a frame inclination angle sensor, a carriage inclination angle sensor, a controller, and an alarm; the rear axle inclination angle sensor, the frame inclination angle sensor, the carriage inclination angle sensor, and the alarm are all connected to the controller respectively; the controller is used to receive the signals transmitted by the rear axle inclination angle sensor, the frame inclination angle sensor, and the carriage inclination angle sensor, process them to obtain the real-time inclination value α, and then compare and analyze α with the rollover inclination angle threshold β built into the controller. According to the analysis result, the controller issues a command to the alarm to alarm or not alarm. The present invention can accurately warn of the dangerous situation of the dump truck rolling over during the lifting operation, ensuring the safety of the dump truck and the driver. In this application, the data flow and processing process between the controller, the sensor, and the alarm are the same as those of the aforementioned prior art.

[0053] Among them, the power supply uses a lithium battery power supply, which operates stably. It should be noted that when the user uses the lithium battery power supply for power supply, it is necessary to conduct an explosion-proof certification on the power supply used in advance, and only after passing the certification can it be applied to the technical solution of this application.

[0054] In this embodiment, when the sensor is in use, a unique IMEI number will be used when transmitting the warning signal through the communication module. This is a unique code of a mobile communication device, so that the communication module can be uniquely corresponding to the housing, and further the unique corresponding relationship between the housing and its installation carrier can be determined.

[0055] In a specific implementation manner, the active warning device is a trigger-type alarm, and the trigger-type alarm is arranged in the housing. When the housing is separated, the trigger-type alarm emits a warning signal.

[0056] In this application, this embodiment also provides a warning device, and its implementation principle is through a metal wire or other metal components. When the watch case is closed, a circuit is formed, and when it is opened, an alarm is triggered. It can be realized according to the existing relay and circuit connection.

[0057] In a specific embodiment, the shell 1 includes: a first fastener 3 and a second fastener 4; the first fastener 3 and the second fastener 4 are fastened together, and the sensor 2 is connected to the Internet of Things. When the first fastener 3 and the second fastener 4 are fastened together, the detection result of the sensor 2 is a first parameter. When the first fastener 3 and the second fastener 4 are disassembled and separated, the detection result of the sensor 2 is a second parameter. When the detection parameter of the sensor 2 changes from the first parameter to the second parameter, the sensor 2 generates an early warning signal based on the Internet of Things at the monitoring end of the Internet of Things.

[0058] In this embodiment, the Internet of Things is first described:

[0059] Internet of Things (IoT) refers to the collection of any object or process that needs to be monitored, connected, and interacted in real time through various information sensors, radio frequency identification technology, global positioning system, infrared sensor, laser scanner and other devices and technologies, and the collection of various required information such as sound, light, heat, electricity, mechanics, chemistry, biology, location, etc. Through various possible network access, it realizes ubiquitous connection between objects and objects, objects and people, and realizes intelligent perception, identification and management of objects and processes. The Internet of Things is an information carrier based on the Internet, traditional telecommunications networks, etc., which allows all ordinary physical objects that can be independently addressed to form an interconnected network.

[0060] At present, the Internet of Things is gradually becoming mature and is widely used in modern urban management. In this application, the nodes of each sensor 2 are directly connected to the existing Internet of Things system, and the monitoring end and terminal built into the Internet of Things system can complete the monitoring of each sensor 2. In summary, the technical solution of this application does not improve the existing Internet of Things technology, but only connects the sensor 2 used in this application to the existing Internet of Things to realize the status monitoring of each sensor 2.

[0061] There are various types of sensors 2. Specifically, the applicant provides the following examples to illustrate the sensors 2 in the technical solution of this application:

[0062] First, the sensor 2 is a pressure sensor; the pressure sensor is arranged between the first fastener 3 and the second fastener 4; when the first fastener 3 and the second fastener 4 are engaged and fixed, the pressure sensor is squeezed by the first fastener 3 and the second fastener 4; when the first fastener 3 and the second fastener 4 are disassembled and separated, the pressure sensor loses pressure, and the pressure sensor generates an early warning signal at the Internet of Things monitoring end.

[0063] In this embodiment, the first parameter is: after the first fastener 3 and the second fastener 4 are fastened together,Figure 7 As shown, the pressure sensor is squeezed between two snap components, and there is a pressure reading on the pressure sensor. At this time, the pressure reading is a predetermined value, which is determined by the squeezing force of the whole after the two snap components are engaged. This predetermined value is the aforementioned first parameter. When the first snap component 3 and the second snap component 4 are damaged, the first snap component 3 and the second snap component 4 are separated. After separation, the pressure sensor loses the extrusion of the two snap components. At this time, the sensed value of the pressure sensor is 0, which is the aforementioned second parameter; when the sensed value of the pressure sensor is 0, after the Internet of Things system obtains this situation, it issues a warning signal, and at this time, it is necessary to arrange inspection personnel to enter the household for inspection.

[0064] Of course, when connecting the sensor 2 to the Internet of Things system, each pressure sensor needs to be numbered. It is necessary to ensure that: the number of each pressure sensor uniquely corresponds to each seal number, and each seal number uniquely corresponds to each user. In this way, the unique correspondence between the pressure sensor and the user is ensured.

[0065] In this embodiment, it is also possible that the user damages part of the outer shell 1, but the position where the pressure sensor is installed is not damaged. In this case, it can be solved by installing multiple pressure sensors. The multiple pressure sensors are randomly distributed between the first snap component 3 and the second snap component 4. If any one of the multiple pressure sensors loses pressure, the Internet of Things system issues a warning signal.

[0066] In this embodiment, the pressure sensor can be directly purchased. The specific installation or usage method can refer to the usage instructions at the time of purchase. This application does not make improvements to the pressure sensor itself. It only utilizes the related functions of the existing pressure sensor to solve the function of active warning for the disassembly of the outer shell 1 in the scenario where the relative position of the two snap components changes.

[0067] Second, the sensor 2 is an infrared sensor; the infrared output end of the infrared sensor is arranged on the first snap component 3, and the infrared receiving end of the infrared sensor is arranged on the second snap component 4; when the first snap component 3 and the second snap component 4 are snap-fixed, the infrared output end of the infrared sensor emits a signal and is received by the infrared receiving end; when the first snap component 3 and the second snap component 4 are disassembled and separated, the infrared receiving end of the infrared sensor loses the signal, and the infrared receiving end generates a warning signal at the Internet of Things monitoring end.

[0068] In this embodiment, the sensor 2 in this application can also be an infrared sensor. The aforementioned infrared sensor can also be directly purchased. This application does not make improvements to the infrared sensor itself.

[0069] In this embodiment, the aforementioned first parameter is as follows: after the first buckle 3 and the second buckle 4 are engaged and fixed, the infrared receiving end of the infrared sensor can just receive the infrared signal emitted by the infrared output end. At this time, the first parameter is that the infrared receiving end receives the infrared signal. When the first buckle 3 and the second buckle 4 are damaged and separated, the positions of the infrared receiving end and the infrared output end deviate, and the infrared receiving end cannot receive the infrared signal. At this time, it is the aforementioned second parameter. When the second parameter appears, the Internet of Things system issues a warning signal after obtaining this situation, and at this time, it is necessary to arrange inspection personnel to enter the household for inspection.

[0070] Third, the sensor 2 is a displacement sensor, such as Figure 6 the component marked as 2 shown in the figure; the displacement sensor is arranged on the first buckle 3 and / or the second buckle 4; when the first buckle 3 and the second buckle 4 are engaged and fixed, the position of the displacement sensor remains relatively unchanged; when the first buckle 3 and the second buckle 4 are disassembled and separated, the position of the displacement sensor changes, and the displacement sensor generates a warning signal at the Internet of Things monitoring end.

[0071] In this embodiment, after the first buckle 3 and the second buckle 4 are engaged and fixed, the nut 14 at the joint with the measuring instrument inside them is locked, and the two are in a relatively fixed position. At this time, the displacement sensor is in a relatively fixed position and remains unchanged, which is the aforementioned first parameter. When the first buckle 3 and the second buckle 4 are disassembled and separated, the position of the displacement sensor changes, and the displacement change is the aforementioned second parameter. When the second parameter appears, the Internet of Things system issues a warning signal after obtaining this situation, and at this time, it is necessary to arrange inspection personnel to enter the household for inspection.

[0072] It should be noted that whether it is a displacement sensor, an infrared sensor or a pressure sensor, users can directly purchase them. This application does not make improvements to various sensors 2, but applies various sensors 2 to this application to actively warn whether the lead seal is separated from the nut 14 at the joint of the measuring instrument.

[0073] Fourth, the sensor 2 is a magnetic induction sensor; the magnetic induction sensor is arranged on the first buckle 3 and / or the second buckle 4;

[0074] when the first buckle 3 and the second buckle 4 are engaged and fixed, the magnetic field of the magnetic induction sensor remains relatively unchanged; when the first buckle 3 and the second buckle 4 are disassembled and separated, the magnetic field of the magnetic induction sensor changes, and the magnetic induction sensor generates a warning signal at the Internet of Things monitoring end.

[0075] In this embodiment, after the first buckle member 3 and the second buckle member 4 are snap-fitted and fixed, the nut 14 at the joint with the metering instrument inside them is locked, and the two are in a relatively fixed position. At this time, the magnetic induction sensor is in a relatively fixed position and remains unchanged. When the first buckle member 3 and the second buckle member 4 are in a relatively fixed position (i.e., not disassembled), at this time, the magnetic field of the magnetic induction sensor remains relatively stable; the magnetic field of the magnetic induction sensor at this time is the aforementioned first parameter. When the first buckle member 3 and the second buckle member 4 are disassembled and separated, the position of the magnetic induction sensor changes, and the change in the magnetic field of the magnetic induction sensor is the aforementioned second parameter. When the second parameter appears, the Internet of Things system issues a warning signal after obtaining this situation, and at this time, it is necessary to arrange inspection personnel to enter the household for inspection.

[0076] In a specific embodiment, referring to Figure 4 As shown, an extension pipe 5 is provided at the opening part of the housing 1, and the extension pipe 5 is used to wrap the side wall of the pipe 15 connected to the metering instrument; the extension pipe 5 includes a first extension pipe 6 and a second extension pipe 7; the first extension pipe 6 is connected to the end of the first buckle member 3, and the second extension pipe 7 is connected to the end of the second buckle member 4.

[0077] Referring to Figure 4 As shown, by providing the first extension pipe 6 and the second extension pipe 7, after the first buckle member 3 and the second buckle member 4 are snap-connected, the first extension pipe 6 and the second extension pipe 7 are surrounded by the side wall of the pipe 15, so that the stability of the connection between the housing 1 and the joint can be improved.

[0078] In a specific embodiment, referring to Figure 4 As shown, a first locking protrusion 8 and a first locking buckle 9 are provided on the first buckle member 3; a second locking protrusion 10 and a second locking buckle 11 are provided on the second buckle member 4; the first locking protrusion 8 is engaged and snapped with the second locking buckle 11, and the second locking protrusion 10 is engaged and snapped with the first locking buckle 9.

[0079] In this embodiment, in order to improve the snap-connection stability between the first buckle member 3 and the second buckle member 4, two sets of snap-connection structures are provided on the two buckle members. One set of snap-connection structures includes a locking protrusion and a locking buckle. The two buckle members are snap-connected to each other, so that the snap-connection stability between the first buckle member 3 and the second buckle member 4 can be effectively improved.

[0080] In a specific embodiment, a through hole 12 is formed in the first buckle member 3, and a plurality of locking pieces 13 are uniformly arranged in the circumferential direction of the through hole 12. The locking pieces 13 face the outer side of the inner cavity of the housing 1, and each of the locking pieces 13 forms the first lock 9, and the first lock 9 is used to lock the second locking protrusion 10; the structure of the first lock 9 is the same as that of the second lock 11.

[0081] During use, the second locking protrusion 10 presses against each of the above-mentioned locking pieces 13 until the end of the second locking protrusion 10 passes through the locking piece 13. The above-mentioned locking piece 13 can be an elastic piece. After the end of the second locking protrusion 10 passes through the locking piece 13, the locking piece 13 automatically resets, and the end of the locking piece 13 abuts against the lower part of the end of the second locking protrusion 10, and each of the locking pieces 13 has an elastic tendency to move towards the second locking protrusion 10. Therefore, the second locking protrusion 10 is stably clamped to the first buckle member 3 through the locking piece 13.

[0082] In this embodiment, the structure of the second lock 11 is the same as that of the first lock 9. During actual use, the first locking protrusion 8 presses against each of the locking pieces 13 in the second lock 11 until the end of the first locking protrusion 8 passes through the locking piece 13. The above-mentioned locking piece 13 can be an elastic piece. After the end of the first locking protrusion 8 passes through the locking piece 13, the locking piece 13 automatically resets, and the end of the locking piece 13 abuts against the lower part of the end of the first locking protrusion 8, and each of the locking pieces 13 has an elastic tendency to move towards the first locking protrusion 8. Therefore, the first locking protrusion 8 is stably clamped to the second buckle member 4 through the locking piece 13.

[0083] In a specific embodiment, the measuring instrument is connected to the pipeline 15 through a nut 14; the housing 1 surrounds and locks the outside of the nut 14, and when the housing 1 is connected to the nut 14, the nut 14 is not exposed.

[0084] In this embodiment, in terms of structure: the lead seals of traditional meter connectors are all cylindrical structures. The present invention adopts a hexagonal prism outer shape structure so that, on the premise of ensuring structural symmetry, the inside of the housing 1 can perfectly fit the nut 14, and the housing 1 is locked and surrounded outside the nut 14 to improve the connection stability between the housing 1 and the nut 14.

[0085] In summary, the lead seal structure provided by this application has the following functions:

[0086] It is used at the joint of gas and tap water metering instruments and pipelines 15 to prevent theft and vandalism from being detected in a timely manner. By providing an active warning device, when a gas user privately damages the lead seal, a warning signal can be generated at the monitoring end of the Internet of Things, so that the function of active reminder can be realized. Compared with the existing technology in which the uniqueness or damage of the lead seal can only be checked during inspection, the solution of this application makes the protection of the lead seal more comprehensive.

[0087] Although this application is disclosed above in preferred embodiments, it is not intended to limit this application. Any person skilled in the art can make possible changes and modifications without departing from the spirit and scope of this application. Therefore, the protection scope of this application should be subject to the scope defined by the claims of this application.

Claims

1. A lead seal with active early warning function, used for installation at the joint of a measuring instrument, characterized in that: include: Housing (1); The housing (1) is snap-fitted at the joint; An active warning device is arranged inside the housing (1), and the active warning device is used to send out a warning signal when the housing (1) is disassembled and separated from the joint; The active warning device comprises: a controller, a communication module, a memory, a fixer, a sensor (2), and a power supply; The controller is respectively connected to the communication module, the memory, and the sensor; the power supply supplies power to the controller, the communication module, the sensor (2), and the memory; The sensor (2) is arranged on the fixture, the fixture is connected to the housing (1), and the fixture is used to fix the sensor (2) in the housing (1); The power supply is connected to the sensor (2) and is used to supply power to the sensor (2).

2. The lead seal with active early warning function according to claim 1 is characterized in that: The active warning device is a trigger alarm, which is arranged in the shell. When the shell is separated, the trigger alarm sends out a warning signal.

3. The lead seal with active early warning function according to claim 2 is characterized in that: The housing (1) comprises: a first snap fastener (3) and a second snap fastener (4); the first snap fastener (3) and the second snap fastener (4) are snap-connected. The sensor (2) is connected to the Internet of Things. When the first fastener (3) and the second fastener (4) are engaged and fixed, the detection result of the sensor (2) is a first parameter. When the first fastener (3) and the second fastener (4) are disassembled and separated, the detection result of the sensor (2) is a second parameter. When the detection parameter of the sensor (2) changes from the first parameter to the second parameter, the sensor (2) generates an early warning signal at a monitoring end of the Internet of Things based on the Internet of Things.

4. The lead seal with active early warning function according to claim 3 is characterized in that: The sensor (2) is a pressure sensor; the pressure sensor is arranged between the first fastener (3) and the second fastener (4); When the first fastener (3) and the second fastener (4) are engaged and fixed, the pressure sensor is squeezed by the first fastener (3) and the second fastener (4); when the first fastener (3) and the second fastener (4) are disassembled and separated, the pressure sensor loses pressure, and the pressure sensor generates a warning signal at the Internet of Things monitoring end.

5. The lead seal with active early warning function according to claim 3 is characterized in that: The sensor (2) is an infrared sensor; the infrared output end of the infrared sensor is arranged on the first fastening member (3), and the infrared receiving end of the infrared sensor is arranged on the second fastening member (4); When the first fastener (3) and the second fastener (4) are engaged and fixed, the infrared output end of the infrared sensor transmits a signal which is received by the infrared receiving end; when the first fastener (3) and the second fastener (4) are disassembled and separated, the infrared receiving end of the infrared sensor loses the signal, and the infrared receiving end generates an early warning signal at the Internet of Things monitoring end.

6. The lead seal with active early warning function according to claim 3 is characterized in that: The sensor (2) is a displacement sensor; the displacement sensor is arranged on the first fastening member (3) and / or the second fastening member (4); When the first fastener (3) and the second fastener (4) are fastened together, the position of the displacement sensor remains relatively unchanged; when the first fastener (3) and the second fastener (4) are disassembled and separated, the position of the displacement sensor changes, and the displacement sensor generates an early warning signal at the Internet of Things monitoring end.

7. The lead seal with active early warning function according to claim 3 is characterized in that: The sensor (2) is a magnetic induction sensor; the magnetic induction sensor is arranged on the first fastener (3) and / or the second fastener (4); When the first snap fastener (3) and the second snap fastener (4) are snapped and fixed, the magnetic field of the magnetic induction sensor remains relatively unchanged; when the first snap fastener (3) and the second snap fastener (4) are disassembled and separated, the magnetic field of the magnetic induction sensor changes, and the magnetic induction sensor generates a warning signal at the Internet of Things monitoring end.

8. The lead seal with active early warning function according to claim 3, characterized in that: The first locking protrusion (8) and the first locking buckle (9) are provided on the first locking member (3); the second locking protrusion (10) and the second locking buckle (11) are provided on the second locking member (4); the first locking protrusion (8) and the second locking buckle (11) are engaged in a matching and snap-fitting manner, and the second locking protrusion (10) and the first locking buckle (9) are engaged in a matching and snap-fitting manner.

9. The lead seal with active early warning function according to claim 8, characterized in that: A through hole (12) is formed on the first buckle (3), and a plurality of locking plates (13) are evenly arranged around the through hole (12), with the locking plates (13) facing the outer side of the inner cavity of the housing (1), and the locking plates (13) form the first locking buckle (9), and the first locking buckle (9) is used to lock the second locking protrusion (10); The structure of the first lock buckle (9) is the same as the structure of the second lock buckle (11); The meter is connected to a pipeline (15) via a nut (14); the housing (1) embraces and is locked on the outside of the nut (14); when the housing (1) is connected to the nut (14), the nut (14) is not exposed.

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