Portable gas flow metering device

Abstract

The utility model belongs to the field of gas flow meters, particularly relates to a portable gas flow metering device, and aims to solve the problems that a display on the conventional device is exposed outside during transportation or use, is easy to contact with an external object after being used for a long time, and then is scratched, displayed data is not clear, the use of the device is influenced, and the working efficiency is high. In order to solve the problems that in the prior art, in the prior art, when the outside brightness is relatively low, the device is inconvenient to observe, the following scheme is provided: the device comprises a device body, a gas inlet end and a gas outlet end for gas circulation are respectively arranged on two sides of the bottom of the device body, and a display for displaying data is arranged on the front side of the device body; the display is conveniently shielded and protected, damage to the display is reduced, the service life of the device body is further prolonged, the illuminating lamp is arranged on the front frame, display data on the device body can be conveniently observed in a dark condition, and the practicability of the device is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gas flow meters, in particular to a portable gas flow metering device. Background Art

[0002] A gas flow meter is an instrument for measuring gas flow. It is installed in a pipeline to record the amount of gas flowing through it. It can measure coal gas, air, natural gas, nitrogen, liquefied petroleum gas, etc. Generally speaking, a gas flow meter consists of a meter and a connecting pipe. The meter is set on the connecting pipe to measure the gas flow flowing through the connecting pipe.

[0003] However, the existing devices have the following problems: the display on the device is exposed during transportation or use, and is easily contacted with external objects after long-term use, thereby causing scratches on it, resulting in unclear display data, affecting the use of the device, and it is inconvenient to observe the device when the external brightness is dim. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art that the display on the device is exposed to the outside during transportation or use, and is easily contacted with external objects after long-term use, thereby causing scratches on it, resulting in unclear displayed data, affecting the use of the device, and inconvenient to observe the device when the external brightness is dim. A portable gas flow metering device is proposed to solve the shortcomings of the prior art that the display on the device is exposed to the outside during transportation or use, and is easily contacted with external objects after long-term use, thereby causing scratches on it, resulting in unclear displayed data, affecting the use of the device, and inconvenient to observe the device when the external brightness is dim.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A portable gas flow metering device comprises a device body, wherein both sides of the bottom of the device body are respectively provided with an inlet port and an outlet port for gas circulation, a display for displaying data is provided on the front side of the device body, a controller for controlling the device is provided inside the device body, and a battery for powering the device body is provided on the rear side of the device body;

[0007] The shielding mechanism is arranged on the device body to protect the display.

[0008] In a possible design, the shielding mechanism includes a front frame, a front plate and a baffle, the rear side of the front frame is fixedly connected to the front side of the device body, the top of the front frame is provided with a hole to facilitate the movement of the front plate, the two sides of the front plate slide with the inner walls of the same front frame respectively, the top of the front plate passes through the hole and slides with the inner walls of the hole, the bottom of the rear side of the front plate is fixedly connected to the front side of the baffle, and the baffle is arranged on the front side of the device body.

[0009] In one possible design, a push plate is fixedly connected to the front bottom of the front panel for facilitating opening the front panel, and a top plate is fixedly connected to the top of the front panel for preventing the front panel from being separated from the front frame. The size of the top plate is larger than the size of the hole, and the top plate is located on the top of the front frame.

[0010] In a possible design, an observation window for convenient observation of the display is provided on the front panel, and an acrylic plate is fixedly provided on the inner wall of the observation window.

[0011] In a possible design, two lighting lamps are fixedly installed on the top inner wall of the front frame to facilitate observation of the display under dim conditions, and a switch for starting the lighting lamps is installed on the rear side of the device body. The lighting lamps are located on the rear side of the hole.

[0012] In a possible design, a threaded hole is provided on the front plate, a fixing rod is threadedly connected to the inner wall of the threaded hole, and a rotating handle for fixing the front plate is fixedly connected to one end of the fixing rod.

[0013] In a possible design, a wiping sponge for wiping the display is fixedly disposed on the rear side of the baffle.

[0014] In the present application, when in use, the air inlet and outlet on the device body are connected to the pipeline, and then the device body is started, the circulating gas is measured, and the data is displayed through the display. A front frame and a front plate are set on the front side of the device to facilitate shielding and protecting the display screen to prevent external factors such as dust and water droplets from damaging the display. The push plate set on the front plate allows the user to easily operate the front plate through the push plate. When the display needs to be observed, the user only needs to push the push plate upward, and the front plate will move up to expose the display. When it is not necessary to observe, the front plate moves down to block the display. In order to prevent the front plate from accidentally separating from the front frame, a top plate is also provided on the top of the front plate, and its size is larger than the hole to ensure that the front plate will not fall off during the movement. An observation window is provided on the front plate, and the user can directly observe the data on the display through the observation window. An acrylic plate is provided on the inner wall of the observation window, which not only ensures the clarity of observation, but also enhances the durability of the observation window. In order to improve the user experience in a dim environment, two lighting lamps are also provided on the top inner wall of the front frame. When the ambient light is insufficient, the user can start the lighting lamp through the switch on the rear side of the device body to provide lighting for the display. The front panel is also provided with a threaded hole and a fixing rod, and one end of the fixing rod is connected to a rotating handle. When the position of the front panel needs to be fixed, the user only needs to turn the rotating handle to screw the fixing rod into the threaded hole to fix the front panel in the current position. A wiping sponge is provided on the rear side of the baffle. When the display is stained with dust or other stains, the user only needs to move the front panel down to the lowest position, make the wiping sponge contact the display, and then slide the front panel back and forth to easily clean the display.

[0015] The beneficial effects of the utility model are:

[0016] In the utility model, the shielding mechanism and the lighting lamp arranged on the front frame can facilitate shielding and protection of the display, reduce damage to the display, and thus extend the service life of the device body. In addition, the lighting lamp arranged on the front frame can facilitate observation of display data on the device body in dim conditions, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the opening of the utility model;

[0019] Figure 3 This is an exploded view of the shielding structure of the utility model;

[0020] Figure 4 It is an enlarged exploded view of the local structure of the utility model.

[0021] In the figure: 1. device body; 2. air inlet end; 3. air outlet end; 4. front frame; 5. front plate; 6. observation window; 7. push plate; 8. top plate; 9. fixing rod; 10. baffle; 11. lighting lamp; 12. wiping sponge. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Embodiment 1

[0024] Reference Figure 1-Figure 4 , a metering device, comprising a device body 1 and a shielding mechanism arranged on the device body 1:

[0025] An air inlet 2 and an air outlet 3 are respectively provided on both sides of the bottom of the device body 1 for gas circulation. A display is provided on the front side of the device body 1 for displaying metering data. A controller is provided inside the device body 1 for controlling the device. A battery is provided on the rear side of the device body 1 for providing power to the device.

[0026] The shielding mechanism mainly includes a front frame 4, a front plate 5 and a baffle 10. The rear side of the front frame 4 is fixedly connected to the front side of the device body 1 to form a stable frame. A hole is provided on the top of the front frame 4 to facilitate the sliding of the front plate 5. Both sides and the top of the front plate 5 are slidably connected to the inner wall of the front frame 4. This design enables the front plate 5 to slide up and down smoothly in the front frame 4. The rear bottom of the front plate 5 is fixedly connected to the front side of the baffle 10, so that the baffle 10 can move with the movement of the front plate 5.

[0027] A push plate 7 is provided at the bottom of the front side of the front panel 5, which is convenient for the user to push the front panel 5 to open or close. A top plate 8 is provided on the top of the front panel 5, and its size is larger than the hole to prevent the front panel 5 from falling off the front frame 4. In addition, an observation window 6 is provided on the front panel 5 for observing the data on the display. An acrylic plate is provided on the inner wall of the observation window 6, which can both protect the display and clearly display the data.

[0028] In order to further enhance the user experience, two lighting lamps 11 are provided on the top inner wall of the front frame 4 to provide lighting for the display in dim conditions. A switch is provided on the rear side of the device body 1 to control the lighting lamps 11 to be turned on and off.

[0029] The present application can be used in the field of gas flow meters, and can also be used in other fields applicable to the present application.

[0030] Embodiment 2

[0031] refer to Figure 1-Figure 4 , improved on the basis of the first embodiment, a portable gas flow metering device comprises:

[0032] In order to fix the front plate 5, a threaded hole is further provided on the front plate 5, and the position of the front plate 5 can be conveniently fixed by means of a threaded fixing rod 9 and a rotating handle.

[0033] Finally, a wiping sponge 12 is provided on the rear side of the baffle 10. When the user needs to clean the display, he only needs to push the front plate 5 downward to make the wiping sponge 12 contact the display, and then slide the front plate 5 back and forth to easily clean the display.

[0034] However, as is well known to those skilled in the art, the working principles and wiring methods of the controller, display, switch and lighting 11 are commonplace, and are all conventional means or common knowledge, and will not be elaborated here. Those skilled in the art can make any optional selections according to their needs or convenience. The display, switch and lighting 11 are connected to the controller through lines and are powered by batteries. The model of the device body 1 is MF5706.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A portable gas flow metering device, characterized in that: The device comprises a device body (1), wherein two sides of the bottom of the device body (1) are respectively provided with an air inlet (2) and an air outlet (3) for gas circulation, a display for displaying data is provided on the front side of the device body (1), a controller for controlling the device is provided inside the device body (1), and a storage battery for supplying energy to the device body (1) is provided on the rear side of the device body (1); A shielding mechanism is arranged on the device body (1) and is used to protect the display.

2. A portable gas flow metering device according to claim 1, characterized in that: The shielding mechanism comprises a front frame (4), a front plate (5) and a baffle (10); the rear side of the front frame (4) is fixedly connected to the front side of the device body (1); a hole is provided at the top of the front frame (4) for facilitating the movement of the front plate (5); two sides of the front plate (5) respectively slide with the inner walls of two sides of the same front frame (4); the top of the front plate (5) passes through the hole and slides with the inner wall of the hole; the bottom of the rear side of the front plate (5) is fixedly connected to the front side of the baffle (10); and the baffle (10) is arranged at the front side of the device body (1).

3. A portable gas flow metering device according to claim 2, characterized in that: A push plate (7) is fixedly connected to the bottom of the front side of the front plate (5) for facilitating opening of the front plate (5), and a top plate (8) is fixedly connected to the top of the front plate (5) for preventing the front plate (5) from being separated from the front frame (4), wherein the size of the top plate (8) is larger than the size of the hole, and the top plate (8) is located on the top of the front frame (4).

4. A portable gas flow metering device according to claim 2, characterized in that: The front plate (5) is provided with an observation window (6) for conveniently observing the display, and an acrylic plate is fixedly arranged on the inner wall of the observation window (6).

5. A portable gas flow metering device according to claim 2, characterized in that: Two lighting lamps (11) are fixedly arranged on the top inner wall of the front frame (4) for facilitating observation of the display under dim conditions, and a switch for starting the lighting lamps (11) is arranged on the rear side of the device body (1), and the lighting lamps (11) are located on the rear side of the hole.

6. A portable gas flow metering device according to claim 2, characterized in that: The front plate (5) is provided with a threaded hole, the inner wall of the threaded hole is threadedly connected to a fixing rod (9), and one end of the fixing rod (9) is fixedly connected to a rotating handle for fixing the front plate (5).

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