Intelligent gas meter based on Internet of Things

Abstract

The invention relates to the technical field of gas meters, in particular to an intelligent gas meter based on the Internet of Things, which comprises a shell, a placement groove, a display unit, an interface, a sealing mechanism, a movable plate, a display plate and an adjusting mechanism, the placement groove is formed in the shell, the display unit is mounted in the placement groove, the interface is mounted at the display unit, and the sealing mechanism is arranged on the display unit. The sealing mechanism is installed at the position of the display unit and the connector, the movable plate is installed on the outer side of the display unit, the display panel is installed between the movable plate and the display unit, and the adjusting mechanism is installed on the back of the movable plate. And thus, the reading convenience and safety are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of gas meters, in particular to an intelligent gas meter based on the Internet of Things. Background Art

[0002] The IoT-based smart gas meter is a gas metering device that uses IoT technology to achieve remote data collection, monitoring and management. It transmits gas usage data and device status to the cloud server in real time through a wireless network connection for remote monitoring and management by users and service providers.

[0003] In the daily use of gas meters, due to the common gas in shared houses or public buildings, some users will intermittently check the gas meter readings to share the accounting costs; the gas meter needs to ensure its safety. In order to reduce the potential risk of gas leakage to the indoor environment, it is required to be installed in a well-ventilated external area. At this time, the user needs to open the integrated cabinet to check the gas readings, and there is no long-term lighting in the integrated cabinet. Therefore, external tools such as flashlights are needed for checking, and the position of the meter in the integrated cabinet cannot be guaranteed to be consistent with the normal height of a person, which will make readings inconvenient and require people to stay in front of the integrated cabinet for too long. When gas leaks, people are still checking the gas readings, which will pose a safety hazard. Therefore, alarms are usually set to prevent gas leaks; but gas leaks are difficult to detect in the initial stage, and the alarm will not work when the concentration is low. For the human body, even if the gas concentration is low, long-term exposure to gas will cause damage to the human respiratory system, thereby affecting human health.

[0004] In order to solve the above problems, there are many solutions in the prior art, such as a smart gas meter with patent number 202111560844.8, which sets the smart gas meter into three sections: an upper panel, a rotating groove, and a lower panel. By pressing the pressing handle, the driving rod moves outward along the sliding groove to drive the slide plate to slide outward, so that the display screen slides out of the rotating groove. When the end of the piston rod is pressed down into place, the pressing shaft that slides out with the slide plate shifts to the bottom of the pressing arm. Continue to press the pressing handle to make the pressing arm drive the pressing shaft to press down and make the display screen flip upward around the pressing shaft. In the process of pressing the pressing shaft, the switch can be triggered to make the sliding display screen flip up and light up, so that the display screen flips to the user's field of vision for the convenience of user viewing. However, during the viewing process, gas leakage will still affect the human body and cause safety hazards.

[0005] Based on this, in order to solve the problem that when checking the gas indication, the inconvenient reading of the indication on the meter causes people to stay too long to check, which may cause safety hazards when gas leaks, the present invention designs an intelligent gas meter based on the Internet of Things. Summary of the invention

[0006] The present invention provides an Internet of Things-based smart gas meter. In order to solve the problem that when checking the gas indication, the inconvenient reading of the indication on the meter causes people to stay for too long to check, which may cause safety hazards when gas leaks, the present invention uses the mobility of the display panel to adjust the rotation angle of the display panel, and simultaneously seals the interface, thereby improving the convenience and safety of reading.

[0007] In order to achieve the above object, the present invention provides the following technical solutions:

[0008] The present invention provides an Internet of Things-based smart gas meter, comprising a shell, a placement groove, a display unit, an interface, a sealing mechanism, a movable panel, a display panel and an adjusting mechanism, wherein the placement groove is opened in the shell, the display unit is installed in the placement groove, the interface is installed at the display unit, the sealing mechanism is installed at the display unit and the interface, the movable panel is installed at the outside of the display unit, the display panel is installed between the movable panel and the display unit, and the adjusting mechanism is installed at the back of the movable panel. When the display panel moves outward, the adjusting mechanism drives the movable panel to move longitudinally, and the movable panel drives the sealing mechanism to seal the interface, and the display panel is stretched forward again by the adjusting mechanism. When stretched to the extreme position, the display panel can be flipped, so that the display panel can be observed by looking up, thereby improving the reading of the display panel.

[0009] Preferably, the sealing mechanism includes a slide groove, a through groove, a sealing plate, a return spring, a collecting chamber, an airbag, a limit groove and a limit block. The slide groove is opened on the outer wall of the shell, the through groove is opened on the transverse inner wall of the interface, the sealing plate is installed at the interface, the return spring is installed in the through groove, the collecting chamber is opened in the inner cavity of the sealing plate, the airbag is installed in the collecting chamber, the limit groove is opened on the shell, the limit block is installed in the collecting chamber and is connected to the airbag, the limit block cooperates with the limit groove, and the sealing mechanism realizes self-locking, that is, when gas leakage really occurs at the interface, the sealing mechanism can be locked, thereby realizing sealing protection and alerting the inspector at the same time, thereby facilitating subsequent maintenance and processing, and thus gas leakage can be discovered in time even when the gas concentration is not high, reducing safety hazards.

[0010] Preferably, the adjustment mechanism includes a push block, a handle, a hinge slot a, a hinge slot b, a hinge block a, a hinge block b and an oblique slot, the push block is installed at the bottom of the movable plate, the handle is installed at the front end of the push block, the hinge slot a and the hinge slot b are both opened on the shell, the hinge block a is installed in the hinge slot a, the hinge block b is installed in the hinge slot b, the two ends of the display panel are respectively connected to the hinge block a and the hinge block b, the oblique slot is opened at the connection between the hinge block a and the display panel, the deflection angle of the display panel is determined by the moving position of the push block, the longer the distance the push block is extended, the larger the rotation angle of the display panel, which makes it more convenient for the inspector to read the readings.

[0011] Preferably, the interface is installed above the display unit, the hinge slot a is located above the hinge slot b, and the angle between the inclined slot and the horizontal plane is 45°, thereby facilitating the flipping of the display panel and reading.

[0012] Preferably, the airbag is folded and corrugated, and the airbag unfolds when the sealing plate moves horizontally to the end. After being locked, the folded corrugated airbag can gradually deform after absorbing the gas, thereby expanding the storage space of the gas.

[0013] Preferably, a visual window is provided on the push block, a lamp body is installed at the visual window, and a trigger switch is installed in the hinge groove a. When looking up, the light will shine on the display board and generate reflection, thereby making the text on the display board clearer and improving the convenience of reading.

[0014] Preferably, the top end of the movable plate and the bottom end of the sealing plate are both wedge-shaped surfaces, and the inclination angle with the horizontal plane is 45°-90°, thereby facilitating the lateral movement of the sealing plate and balancing the distances of the longitudinal movement and the lateral movement.

[0015] Preferably, a rubber strip is installed at the bottom end of the sealing plate. The movable plate and the sealing plate are both made of glass. The rubber strip can scrape the inner wall of the movable plate to prevent the inner wall from being unclear after long-term use; on the other hand, it also plays a role in protecting the glass.

[0016] Preferably, the interface is installed below the display unit, the hinge groove a is located below the hinge groove b, and the movable plate is located above the sealing plate, thereby facilitating the reading of the gas meter when it is installed below.

[0017] Preferably, a sensor is installed in the placement groove below the interface, and the threshold value of the sensor alarm is set to 1%, so that the sensor can be used to warn when checking liquefied petroleum gas and other gases with a density greater than air, thereby improving safety.

[0018] The beneficial effects of the present invention are as follows:

[0019] 1. The present invention proposes an intelligent gas meter based on the Internet of Things. The movable plate is driven to move by the adjusting mechanism, thereby driving the sealing mechanism to improve its own sealing performance. At the same time, it can be associated with the display panel so that the display panel moves forward, making it easier to observe the gas indication. In addition, the sealing mechanism can be used to maintain the seal at the interface to prevent a large amount of gas leakage from causing harm to the human body when people check the gas indication. The sealing mechanism also achieves self-locking when the gas leaks, that is, when gas leakage occurs at the interface, the sealing mechanism can be locked, thereby achieving sealing protection and warning the inspector at the same time, thereby facilitating subsequent maintenance and processing, and even when the gas concentration is not high, the gas leakage can be discovered in time, reducing safety hazards.

[0020] 2. The present invention proposes an intelligent gas meter based on the Internet of Things. When the sealing plate slides to the point where the limit block corresponds to the limit groove, the airbag expands to drive the limit block to extend and then embed into the limit groove. At this time, the reset spring will no longer restore the sealing plate. On the one hand, the user can sense the gas leakage at that place, and can quickly move away from the gas leakage site while verifying the accuracy of the reading, and make emergency treatment; on the other hand, the gas can be isolated and a certain amount of gas can be stored, thereby avoiding gas leakage before rescue or maintenance personnel arrive, reducing the safety hazard of gas leakage to the surrounding environment.

[0021] 3. The present invention proposes an intelligent gas meter based on the Internet of Things. When the hinge block b reaches the limit position of the hinge slot b, the hinge block a has not reached the limit position of the hinge slot a. Then, pulling the handle again will cause the push block to drive the hinge block a to continue to move forward along the slide slot, thereby driving the display panel to deflect. At this time, the upper end of the display panel is closer to the front, thus forming an angle that is convenient for looking up or looking down. When it is difficult to observe horizontally, the angle of the display panel can be changed by adjusting the mechanism, thereby improving the convenience of reading for the inspector, while also reducing the stay time and reducing safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the specific implementation mode of the present invention or the technical solution in the prior art, the drawings required for use in the specific implementation mode or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are one implementation mode of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 It is a half-section schematic diagram of the present invention;

[0025] Figure 3is a schematic diagram of the sealing mechanism of the present invention;

[0026] Figure 4 is a schematic diagram of the adjustment mechanism of the present invention;

[0027] Figure 5 yes Figure 4 The enlarged view of point A in the middle;

[0028] Figure 6 This is a schematic diagram of the movable plate of the present invention just contacting with the sealing plate;

[0029] Figure 7 yes Figure 6 The enlarged view of point B in the middle;

[0030] Figure 8 It is a schematic diagram of the movable plate of the present invention completely squeezing the sealing plate;

[0031] Fig. 9 yes Figure 8 Enlarged view of point C in the middle;

[0032] Fig.10 It is a schematic diagram of the interface of the present invention being located at the bottom.

[0033] In the figure: 1. shell; 2. placement groove; 21. sensor; 3. display unit; 4. interface; 5. sealing mechanism; 51. slide groove; 52. through groove; 53. sealing plate; 531. rubber strip; 54. reset spring; 55. collecting chamber; 56. air bag; 57. limit groove; 58. limit block; 6. movable plate; 61. wedge surface; 7. display panel; 8. adjustment mechanism; 81. push block; 811. visual window; 82. handle; 83. hinge groove a; 84. hinge groove b; 85. hinge block a; 86. hinge block b; 87. inclined groove; 9. lamp body; 91. trigger switch. DETAILED DESCRIPTION

[0034] In order to better understand the above solution, the above technical solution is described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0035] like Figure 1-2As shown, the present invention provides an Internet of Things-based smart gas meter, including a housing 1, a placement groove 2, a display unit 3, an interface 4, a sealing mechanism 5, a movable plate 6, a display panel 7 and an adjustment mechanism 8. The placement groove 2 is opened in the housing 1, and the display unit 3 is installed in the placement groove 2. The display unit 3 is a module for supplying a signal to the display panel 7. The display unit 3 and the display panel 7 are connected through a circuit, and the two can move in relative position, that is, the wire can be wound or folded; the interface 4 is installed at the display unit 3, and the interface 4 is used to transmit gas. When the density of the gas to be transmitted is small, such as natural gas, the gas will flow upward at this time, and the gas meter is set at a high place at this time, and it is necessary to look up obliquely to observe, and the natural gas is colorless and odorless, and will float above the air first, so it is difficult for the human body to smell and perceive it;

[0036] The sealing mechanism 5 is installed at the display unit 3 and the interface 4, and the sealing mechanism 5 is used to limit the sealing of the interface 4, while the interface 4 can be kept airtight to the outside at the beginning, so that on the one hand, the gas concentration can be monitored by the external monitoring unit, and on the other hand, the external ventilation can be realized, thereby reducing the safety hazard of the gas; the movable plate 6 is installed on the outside of the display unit 3, and the display panel 7 is installed between the movable plate 6 and the display unit 3. The movement of the movable plate 6 will drive the sealing mechanism 5 to improve its own sealing performance, and it can also be associated with the display panel 7, so that the display panel 7 can be moved forward to facilitate observation, and the sealing mechanism 5 can be used to maintain the sealing of the interface 4, thereby avoiding a large amount of gas leakage when people check it and causing harm to the human body; in addition, the sealing mechanism 5 also realizes self-locking, that is, when a gas leak really occurs at the interface 4, the sealing mechanism 5 can be locked, thereby realizing sealing protection and warning the inspector at the same time, thereby facilitating subsequent maintenance and processing, thereby even when the gas concentration is not high, the gas leakage can be discovered in time, thereby reducing the safety hazard;

[0037] like Figure 6-7 As shown, the top end of the movable plate 6 and the bottom end of the sealing plate 53 are both wedge-shaped surfaces 61, and the inclination angle with the horizontal plane is 45°-90°, so that the movable plate 6 can drive the sealing plate 53 to move horizontally.

[0038] The adjusting mechanism 8 is installed on the back of the movable plate 6. When the display panel 7 moves outward, the adjusting mechanism 8 drives the movable plate 6 to move longitudinally. The movable plate 6 drives the sealing mechanism 5 to seal the interface 4. The interface 4 is installed above the display unit 3.

[0039] When the adjusting mechanism 8 drives the display panel 7 to move forward, the inspector can directly observe it by looking straight ahead, and because the display panel 7 is pulled closer and closer to the outside, the numbers can be observed more clearly. If the gas meter housing 1 is placed too high, it is impossible to look straight ahead at this time, so the display panel 7 is stretched forward again by the adjusting mechanism 8. When it is stretched to the extreme position, the display panel 7 can be flipped over, making it easier to observe the display panel 7 by looking up, thereby improving the reading of the display panel 7. At the same time, compared with the traditional method that is unclear, this method improves the accuracy of the reading, thereby reducing the time people stay at the gas meter and reducing safety hazards.

[0040] like Figure 3 As shown, the sealing mechanism 5 includes a slide groove 51, a through groove 52, a sealing plate 53, a return spring 54, a collecting chamber 55, an air bag 56, a limit groove 57, and a limit block 58. The slide groove 51 is provided on the outer wall of the shell 1. The width of the slide groove 51 is not limited, and it can support the sliding of the movable plate 6. The through groove 52 is provided on the transverse inner wall of the shell 1 at the interface 4. The sealing plate 53 is installed at the interface 4. The sealing plate 53 can be relatively sealed or not sealed at the beginning. If it is sealed at the beginning, a gas concentration monitoring device or sensor 21 needs to be arranged inside. If it is not sealed at the beginning, it needs to be gradually converted to sealing during the sliding process of the sealing plate 53. The specific methods include but are not limited to: an offset hole is provided on the surface of the sealing plate 53, and the offset hole is gradually closed while the movable plate 6 gradually squeezes the sealing plate 53, or an air outlet is provided below the sealing plate 53, and the air outlet is blocked during the inward sliding process of the sealing plate 53, thereby forming a seal, etc. The sealing at this place is a conventional technical means;

[0041] The reset spring 54 is installed in the through groove 52. At this time, the sealing plate 53 can be reset by relying on the reset spring 54, that is, after checking the reading of the gas meter normally, loosen the adjusting mechanism 8, and the reset spring 54 can drive the sealing plate 53 to reset. The sealing plate 53 will squeeze the movable plate 6, so that the movable plate 6 and the adjusting mechanism 8 are reset. The collecting chamber 55 is opened in the inner cavity of the sealing plate 53, and the airbag 56 is installed in the collecting chamber 55. The collecting chamber 55 is used to collect overflowed or leaked gas. When the gas leaks, the adjusting mechanism 8 drives the movable plate 6 to move upward, and the movable plate 6 drives the sealing mechanism 5 to move inward, and the sealing plate 53 seals the internal chamber at this time. Therefore, when the sealing plate 53 moves inward again, the internal gas will make the gas in the sealing plate 53 The airbag 56 expands, and the limit groove 57 is opened on the shell 1. The limit block 58 is installed in the collecting chamber 55 and is connected to the airbag 56. The limit block 58 cooperates with the limit groove 57. When the sealing plate 53 slides to the limit block 58 corresponding to the limit groove 57, the airbag 56 expands and drives the limit block 58 to extend, and then embeds into the limit groove 57. At this time, the reset spring 54 will no longer restore the sealing plate 53. On the one hand, it can allow the user to sense the gas leakage at this place, and can quickly move away from the leakage site while verifying the accuracy of the reading, and make emergency treatment. On the other hand, it can isolate the gas and store a certain amount of gas, thereby avoiding the leakage of gas before the rescue or maintenance personnel arrive, reducing the safety hazard of gas leakage in the building.

[0042] like Figure 4-5 As shown, the adjustment mechanism 8 includes a push block 81, a handle 82, a hinge slot a83, a hinge slot b84, a hinge block a85, a hinge block b86 and an inclined slot 87. The push block 81 is installed at the bottom of the movable plate 6, the handle 82 is installed at the front end of the push block 81, the hinge slot a83 and the hinge slot b84 are both opened on the housing 1, the hinge block a85 is installed in the hinge slot a83, the hinge block b86 is installed in the hinge slot b84, the two ends of the display panel 7 are respectively connected to the hinge block a85 and the hinge block b86, and the inclined slot 87 is opened at the hinge block a85 is the connection between the display panel 7 and the push block 81; the push block 81 is set in a trapezoidal shape, and the upper end of the push block 81 is connected to the hinge block a85, so that the push block 81 can drive the hinge block a85 to move along the hinge groove a83. At the same time, the hinge block a85 will synchronously drive the display panel 7 to move. Therefore, when the handle 82 pulls the push block 81, the push block 81 can drive the display panel 7 to move outward, thereby facilitating clearer observation; the hinge groove a83 is located above the hinge groove b84, and the angle between the inclined groove 87 and the horizontal plane is 45°; the top of the display panel 7 is embedded in the inclined groove 87 with an axis.

[0043] The hinge groove a83 is longer than the hinge groove b84. At this time, when the hinge block b86 reaches the limit position of the hinge groove b84, the hinge block a85 has not reached the limit position of the hinge groove a83. Then, pulling the handle 82 again will cause the push block 81 to drive the hinge block a85 to continue to move forward along the slide groove 51, thereby driving the display panel 7 to deflect. At this time, the upper end of the display panel 7 is closer to the front, so that an angle that is convenient for looking up is formed. Then, when it is difficult to observe horizontally, the angle of the display panel 7 can be changed by adjusting the mechanism 8, thereby improving the convenience of the inspector's reading, while also reducing the stay time and reducing safety hazards. The movable plate 6, the sealing plate 53 and the push block 81 can be set to transparent glass material, which is convenient for observing the readings, and the deflection angle of the display panel 7 is determined by the moving position of the push block 81. The longer the push block 81 extends, the greater the rotation angle of the display panel 7, which is more convenient for the inspector to read the readings; the purpose of the inclined groove 87 here is to achieve supply, so as to avoid the situation where the distance of the hypotenuse is greater than the right-angled side after the display panel 7 is rotated, and the distance is supplemented by the inclined groove 87. The specific connection method here is that the top end of the display panel 7 is an axis, and the axis is connected to the inclined groove 87. At this time, the axis can both slide and rotate in the inclined groove 87, and will not affect the normal rotation of the display panel 7 below.

[0044] like Figure 6-7 As shown, the airbag 56 is folded and corrugated, and the airbag 56 is unfolded when the sealing plate 53 moves horizontally to the end. When the sealing plate 53 moves horizontally, the chamber between the sealing plate 53 and the shell 1 gradually decreases, and the sealing plate 53 also plays a sealing role at this moment, thereby driving the internal gas to flow into the airbag 56. When the sealing plate 53 moves to the corresponding position of the limit plate and the limit groove 57 (that is, the extreme position), if a gas leak occurs at this time, the leaked gas can just push the limit block 58 directly into the limit groove 57, and the airbag 56 will not be filled and then extend the limit block 58, so as to avoid affecting the timely locking of the gas leak. At the same time, after locking, the folded corrugated airbag 56 can gradually deform after absorbing the gas, thereby expanding the storage space of the gas, which can buy a certain amount of time for the staff to repair.

[0045] like Figure 8-9As shown, a visual window 811 is provided on the push block 81, and a lamp body 9 is installed at the visual window 811, and a trigger switch 91 is installed in the hinge groove a83. The visual window 811 can be transparent glass or a directly removed notch. At this time, when the movable plate 6 moves upward, the indication on the display board 7 does not need to be read through the external cover, and can be directly read through the visual window 811, or viewed obliquely upward from the bottom of the push block 81, which can make the reading clearer. At the same time, when the hinge block a85 is located in the hinge groove a83 and slides, it can drive the trigger switch 91, and then drive the lamp body 9 to emit light. The lamp body 9 is located at the visual window 811, and the upper light is presented when looking horizontally, which is convenient for reading. When looking up, the light will shine on the display board 7 and produce reflection, which makes the text on the display board 7 clearer, improves the convenience of reading, reduces the time required for reading, reduces the stay time at the gas meter, and reduces safety hazards.

[0046] like Figure 7 As shown, a rubber strip 531 is installed at the bottom end of the sealing plate 53, and the rubber strip 531 is used to reduce the friction between the movable plate 6 and the sealing plate 53. The mutual contact between the two is offset by the rubber strip 531. At the same time, the rubber strip 531 can scrape the inner wall of the movable plate 6 to avoid the inner wall of the movable plate 6 being unclear after long-term use, which affects the inspector's direct reading through the movable plate 6; in addition, the rubber strip 531 also plays a role in protecting the glass. When the gas is not leaking, the reset spring 54 will drive the sealing plate 53 to reset. At this time, the rubber strip 531 will first contact the movable plate 6 and drive the movable plate 6 to move downward. The rubber strip 531 acts as an active mechanism, thereby reducing the wear of the movable plate 6 caused by multiple movements and achieving a cleaning effect.

[0047] like Fig.10As shown, the interface 4 is installed below the display unit 3, the hinge groove a83 is located below the hinge groove b84, and the movable plate 6 is located above the sealing plate 53; this is the second use scenario of the present invention, that is, at this time the interface 4 is located below the display unit 3, and the overall layout of the gas meter is also located below. The user needs to squat to read the normal reading. At this time, if the gas transported is liquefied petroleum gas, the gas will float downward, which is not convenient for the user to perceive. After long-term use, the gas concentration at the bottom is too high, which will cause damage to the human body and even cause risks such as explosion. Therefore, the adjustment mechanism 8 and the sealing mechanism 5 are set. In the process of the handle 82 pulling the push block 81, the movable plate 6 will move downward, driving the sealing plate 53 to shrink inward, thereby driving the limit The positioning block 58 corresponds to the position of the limiting groove 57. At this time, if the gas leaks, the gas will enter the airbag 56 along the mouth of the collecting chamber 55, and squeeze the limiting block 58 while expanding the airbag 56, so that the limiting block 58 enters the limiting groove 57, thereby sealing the interface 4, thereby realizing emergency treatment when the gas leaks. At the same time, the non-restoration of the sealing plate 53 also warns the observer that a gas leak has occurred there, so that it can be dealt with quickly and the safety hazard is reduced; at the same time, the hinge groove a83 there is located below the hinge groove b84. In the process of the push block 81 moving outward, the hinge block a85 moves outward a farther distance. At this time, the display panel 7 is flipped with the bottom facing forward, which makes it convenient for the user to look down at the reading, thereby improving the accuracy and convenience of the reading.

[0048] The placement groove 2 below the interface 4 is installed with a sensor 21, and the alarm threshold of the sensor 21 is set to 1%. Due to the low gas density, the gas concentration below will be relatively high. When the gas concentration below reaches 1%, it means that the gas concentration is about to exceed the normal range. Emergency treatment can be achieved by pulling the handle 82 to seal the leaked gas, thereby improving the safety of the gas meter.

[0049] When it is necessary to read the gas meter at a high place, the reading can be directly read inward through the movable plate 6, but it is generally difficult to see clearly in a dark area. At this time, the movable plate 6 can be driven up by the adjustment mechanism 8, and the display panel 7 can be driven forward at the same time. When the movable plate 6 rises, it will drive the sealing mechanism 5 to work, and then the interface 4 is sealed to prevent people from being affected by the gas when reading. The specific method is as follows:

[0050] The user drives the push block 81 to move through the handle 82, and the push block 81 is connected to the hinge block a85. At this time, the hinge slot a83 is located above the hinge slot 84b, and the hinge slot a83 is longer than the hinge slot b84. At this time, the moving path of the hinge block a85 will be greater than the moving path of the hinge block b86; the hinge block a85 slides in the hinge slot a83, and the hinge block a85 drives the display panel 7 to move forward for easy reading; and the hinge block b86 also moves synchronously along the hinge slot b84. When the hinge block b86 moves to the end of the hinge slot b84, the hinge block a85 can still continue to move forward driven by the push block 81. At this time, the display panel 7 will gradually fold, making it easier for the user to look up and read data; during the movement of the hinge block a85, The trigger switch 91 will be squeezed, so that the lamp body 9 on the push block 81 lights up, which is convenient for reading the indication; when the push block 81 moves forward, it drives the movable plate 6 to move upward, and the movable plate 6 drives the sealing plate 53 to slide inward through the wedge surface 61, thereby driving the sealing plate 53 to seal the chamber at the interface 4. The sealing plate 53 will compress the reset spring 54 during the sliding process, and at the same time, the gas in the sealed chamber will flow to the air bag 56 in the collecting chamber 55, thereby driving the air bag 56 to swell; when gas leakage occurs, the gas will lift the limit block 58 through the air bag 56, and the limit block 58 will enter the limit groove 57, thereby realizing the limit of the sealing plate 53. At this time, the sealing plate 53 is locked, and the gas will enter the air bag 56 to gradually fill it, waiting for maintenance personnel to handle it;

[0051] When it is necessary to read the gas meter at a lower position, the reading can also be directly read inward through the movable plate 6. If it is difficult to see clearly, the user drives the push block 81 to move through the handle 82, and the push block 81 is connected to the hinge block a85. At this time, the hinge slot a83 is located below the hinge slot b84, and the hinge slot a83 is still longer than the hinge slot b84. At this time, the moving path of the hinge block a85 will be greater than the moving path of the hinge block b86; the hinge block a85 is located in the hinge slot a83 and slides, and the hinge block a85 drives the display panel 7 to move forward for easy reading; and the hinge block b86 also moves synchronously along the hinge slot b84. When the hinge block b86 moves to the end of the hinge slot b84, the hinge block a85 can still continue to move forward driven by the push block 81. At this time, the display panel 7 will gradually fold, which is convenient for the user to look down and read the data.

[0052] The basic principles and beneficial effects of the present invention are shown and described above. At the same time, the present invention is not limited to the above embodiments. Without departing from the effects and scope of the present invention, the present invention may have various changes and improvements. These changes and improvements all fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A smart gas meter based on the Internet of Things, characterized in that: The device comprises a housing (1), a placement groove (2), a display unit (3), an interface (4), a sealing mechanism (5), a movable panel (6), a display panel (7) and an adjusting mechanism (8), wherein the placement groove (2) is opened in the housing (1), the display unit (3) is installed in the placement groove (2), the interface (4) is installed at the display unit (3), the sealing mechanism (5) is installed at the display unit (3) and the interface (4), the movable panel (6) is installed outside the display unit (3), the display panel (7) is installed between the movable panel (6) and the display unit (3), and the adjusting mechanism (8) is installed at the back of the movable panel (6). When the display panel (7) moves outward, the adjusting mechanism (8) drives the movable panel (6) to move longitudinally, and drives the sealing mechanism (5) to block the cavity at the interface (4) through the movable panel (6).

2. According to claim 1, a smart gas meter based on the Internet of Things is characterized by: The sealing mechanism (5) comprises a slide groove (51), a through groove (52), a sealing plate (53), a return spring (54), a collecting chamber (55), an airbag (56), a limit groove (57) and a limit block (58); the slide groove (51) is provided on the outer wall of the shell (1); the through groove (52) is provided on the inner wall of the transverse shell (1) at the interface (4); the sealing plate (53) is installed at the interface (4); the return spring (54) is installed in the through groove (52); the collecting chamber (55) is provided in the inner cavity of the sealing plate (53); the airbag (56) is installed in the collecting chamber (55); the limit groove (57) is provided on the shell (1); the limit block (58) is installed in the collecting chamber (55) and is connected to the airbag (56); the limit block (58) cooperates with the limit groove (57).

3. According to claim 2, a smart gas meter based on the Internet of Things is characterized in that: The adjusting mechanism (8) comprises a push block (81), a handle (82), a hinge groove a (83), a hinge groove b (84), a hinge block a (85), a hinge block b (86) and an inclined groove (87); the push block (81) is mounted at the bottom of the movable plate (6); the handle (82) is mounted at the front end of the push block (81); the hinge groove a (83) and the hinge groove b (84) are both formed on the housing (1); the hinge block a (85) is mounted in the hinge groove a (83); the hinge block b (86) is mounted in the hinge groove b (84); two ends of the display panel (7) are respectively connected to the hinge block a (85) and the hinge block b (86); the inclined groove (87) is formed at the connection between the hinge block a (85) and the display panel (7); and the top of the display panel (7) is embedded in the inclined groove (87) by an axis.

4. The smart gas meter based on the Internet of Things according to claim 3 is characterized in that: The interface (4) is installed above the display unit (3), the hinge groove a (83) is located above the hinge groove b (84), and the angle between the inclined groove (87) and the horizontal plane is 45 degrees.

5. The smart gas meter based on the Internet of Things according to claim 2, characterized in that: The airbag (56) is in a folded corrugated shape, and the airbag (56) is unfolded when the sealing plate (53) moves laterally to the end.

6. The smart gas meter based on the Internet of Things according to claim 4, characterized in that: The push block (81) is provided with a visible window (811), a lamp body (9) is installed at the visible window (811), and a trigger switch (91) is installed in the hinge groove a (83).

7. The smart gas meter based on the Internet of Things according to claim 5, characterized in that: The top end of the movable plate (6) and the bottom end of the sealing plate (53) are both wedge-shaped surfaces (61), and the inclination angle with the horizontal plane is 45°-90°.

8. The smart gas meter based on the Internet of Things according to claim 7, characterized in that: A rubber strip (531) is installed at the bottom end of the sealing plate (53), and the movable plate (6) and the sealing plate (53) are both made of glass.

9. The smart gas meter based on the Internet of Things according to claim 3, characterized in that: The interface (4) is installed below the display unit (3), the hinge groove a (83) is located below the hinge groove b (84), and the movable plate (6) is located above the sealing plate (53).

10. The smart gas meter based on the Internet of Things according to claim 9, characterized in that: The placement groove (2) below the interface (4) is installed with a sensor (21), and the alarm threshold of the sensor (21) is set to 1%.

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