Fuel gas metering box control terminal

Abstract

The utility model relates to the technical field of terminal equipment, in particular to a control terminal of a gas metering box. Comprising a lower box body and an upper box cover detachably connected to the lower box body, a containing space is formed in the lower box body and the upper box cover, a display screen, an indicator light and a control button are connected to the upper box cover, and a display circuit board located in the containing space is detachably connected to the bottom side of the upper box cover. The display screen, the indicating lamp and the control button are all connected with the display circuit board; the internal layout of the accommodating space can be more compact and reasonable, and the occupied space is reduced; the use of cables can be reduced, so that the wiring is simplified, the problem of cable disorder is avoided, and the tidiness and reliability of wiring are improved; under the influence of wiring simplification and layout optimization, the assembly process of the control terminal of the fuel gas metering box becomes more direct, simpler and more convenient, so that the assembly efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of terminal equipment, in particular to a gas metering box control terminal. Background Art

[0002] In the prior art, a gas meter box with a gas meter is provided to measure gas transportation, which greatly improves reliability; for example, a gas meter box with solenoid valve control disclosed in Patent No. CN202222887059.X, in which a gas meter box control terminal is used to read data from the gas meter box and control the gas meter box and other equipment in a remote control system for gas transportation; the existing gas meter box control terminal of our company includes an upper part, including a lower box body and an upper box cover detachably connected thereto, wherein a storage space is formed inside the lower box body and the upper box cover, a display screen, indicator lights and control buttons connected to the upper box cover, a display circuit board is fixedly connected in the lower box body, and is spaced far apart from the display screen, indicator lights and control buttons, resulting in an unreasonable layout of the storage space, and when the display screen, indicator lights and control buttons are connected to the display circuit board through cables, the wiring is chaotic, which increases the difficulty of assembling and maintaining the gas meter box control terminal, thereby affecting the efficiency of assembling and maintaining the gas meter box control terminal.

[0003] Based on this, the applicant considered designing a gas meter box control terminal that reduces the difficulty of assembly and maintenance. Utility Model Content

[0004] In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is: how to provide a gas meter box control terminal which reduces the difficulty of assembly and maintenance.

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

[0006] A gas meter box control terminal comprises a lower box body and an upper box cover detachably connected thereto, wherein the lower box body and the upper box cover form a storage space inside, the upper box cover is connected with a display screen, an indicator light and a control button, and the bottom side of the upper box cover is detachably connected with a display circuit board located in the storage space, and the display screen, the indicator light and the control button are all connected to the display circuit board.

[0007] The working principle and advantages of a gas meter box control terminal in this technical solution are:

[0008] Since the display circuit board is located on the bottom side of the upper box cover and is directly connected to the display screen, indicator lights and control buttons, the layout inside the accommodating space can be made more compact and reasonable, reducing space occupancy; it can also reduce the use of cables, thereby simplifying wiring, avoiding the problem of cable confusion, and improving the neatness and reliability of wiring; under the influence of wiring simplification and layout optimization, the assembly process of the gas meter box control terminal can be made more direct and simple, thereby improving the efficiency of assembly. When the gas meter box control terminal needs to be repaired or parts need to be replaced, maintenance personnel can more easily access each component, reducing the difficulty and time cost of maintenance; and reducing the use of cables and optimizing the layout help reduce potential failure points, thereby improving the reliability of the entire gas meter box control terminal.

[0009] Furthermore, a connecting piece is connected to the bottom side of the upper case cover, and the display circuit board is detachably connected to the connecting piece.

[0010] Furthermore, the connecting member includes a first supporting plate detachably connected to the bottom side of the upper case cover and a second supporting plate detachably connected to the display circuit board.

[0011] Furthermore, through holes for the indicator light to pass through are correspondingly formed on the first support plate and the upper box cover, and one end of the indicator light passing through the through hole is detachably connected to a limiting ring.

[0012] Furthermore, the inner side wall of the limiting ring is threadedly connected to the outer side wall of the indicator light.

[0013] Furthermore, screw holes for threaded connection with connecting bolts are correspondingly formed on the second supporting plate and the display circuit board.

[0014] Furthermore, a hollow portion is provided on the upper box cover to expose a display area of ​​the display screen.

[0015] Furthermore, a transparent window is provided between the hollow portion and the display screen, and the transparent window comprises a bottom plate and a protruding portion extending into the hollow portion.

[0016] Furthermore, a main control circuit board and a power supply circuit board are fixedly connected in the lower box body, and the display circuit board, the main control circuit board and the power supply circuit board are connected to each other.

[0017] Furthermore, a plurality of connecting brackets are fixedly connected to the bottom side of the lower box body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The three-dimensional structure of the gas meter box control terminal of the utility model embodiment is shown in FIG. Figure 1 ;

[0019] Figure 2 The three-dimensional structure of the gas meter box control terminal of the utility model embodiment is shown in FIG. Figure 2 ;

[0020] Figure 3 This is a three-dimensional structural schematic diagram of a gas metering box control terminal without an upper box cover according to an embodiment of the utility model;

[0021] Figure 4 This is a schematic diagram of the three-dimensional structure of the upper box cover of the embodiment of the utility model;

[0022] Figure 5 This is a schematic diagram of the three-dimensional structure of the connector, display screen, display circuit board and transparent window of the embodiment of the utility model;

[0023] Figure 6 This is a three-dimensional structural schematic diagram of a display screen and a display circuit board according to an embodiment of the utility model;

[0024] Figure 7 This is a schematic diagram of the three-dimensional structure of the transparent window of the embodiment of the utility model;

[0025] In the above drawings: 100, lower box; 110, main control circuit board; 120, power supply circuit board; 130, connecting bracket;

[0026] 200, upper box cover; 210, control button; 220, indicator light; 221, limiting ring; 230, connecting piece; 231, first support plate; 232, second support plate; 240, display circuit board; 243, connecting bolts; 250, display screen; 260, transparent window; 261, bottom plate; 262, protrusion. DETAILED DESCRIPTION

[0027] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0028] Refer to Figure 1 to Figure 6The present embodiment provides a gas meter box control terminal, including a lower box body 100 and an upper box cover 200 detachably connected thereto, wherein a storage space is formed inside the lower box body 100 and the upper box cover 200, and a display screen 250, an indicator light 220 and a control button 210 are connected to the upper box cover 200, and a display circuit board 240 located in the storage space is detachably connected to the bottom side of the upper box cover 200, and the display screen 250, the indicator light 220 and the control button 210 are all connected to the display circuit board 240.

[0029] In this embodiment, since the display circuit board 240 is located on the bottom side of the upper box cover 200 and is directly connected to the display screen 250, the indicator light 220 and the control button 210, the layout inside the accommodating space can be made more compact and reasonable, reducing space occupancy; it can also reduce the use of cables, thereby simplifying wiring, avoiding the problem of cable confusion, and improving the neatness and reliability of wiring; under the influence of wiring simplification and layout optimization, the assembly process of the gas meter box control terminal can become more direct and simple, thereby improving the efficiency of assembly. When the gas meter box control terminal needs to be repaired or parts are replaced, maintenance personnel can more easily access each component, reducing the difficulty and time cost of maintenance; and reducing the use of cables and optimizing the layout help reduce potential failure points, thereby improving the reliability of the entire gas meter box control terminal.

[0030] Preferably, if Figure 1 to Figure 6 As shown, a connector 230 is connected to the bottom side of the upper case cover 200, and the display circuit board 240 is detachably connected to the connector 230; a detachable connection between the display circuit board 240 and the bottom side of the upper case cover 200 is achieved, and direct connection between the display circuit board 240 and the upper case cover 200 is avoided, which is beneficial to the heat dissipation of the display circuit board 240.

[0031] Preferably, if Figure 1 to Figure 6 As shown, the connecting member 230 includes a first support plate 231 detachably connected to the bottom side of the upper box cover 200 and a second support plate 232 detachably connected to the display circuit board 240: the connecting member 230 is detachably connected to the upper box cover 200 through the first support plate 231, and by setting connecting members 230 of different sizes, it can adapt to display circuit boards 240 of different sizes, thereby improving the versatility and flexibility of the gas metering box control terminal; and when it is necessary to replace the circuit board, it is only necessary to remove the connection between the second support plate 232 and the display circuit board 240 to quickly replace the display circuit board 240, thereby improving the maintenance efficiency; specifically, the connecting member 230 is a Z-shaped plate, the first support plate 231 is in contact with the upper box cover 200, and the second support plate 232 is in contact with the display circuit board 240; more specifically, the connecting member 230 includes two, and the display circuit board 240 is arranged between the two connecting members 230, so that the connection plate of the display circuit board 240 is more stable.

[0032] Preferably, if Figure 1 to Figure 6 As shown, the first support plate 231 and the upper box cover 200 are correspondingly provided with through holes for the indicator light 220 to pass through, and one end of the indicator light 220 passing through the through hole is detachably connected with a limiting ring 221; during assembly, one end of the indicator light 220 located in the first support plate 231 passes through the through holes on the upper box cover 200 and the first support plate 231 in turn, and then the limiting ring 221 is connected to the end of the indicator light 220 passing through the through hole, so that the connecting member 230 is fixedly connected to the upper box cover 200, and the connecting member 230 is connected to the upper box cover 200 by using the indicator light 220 that needs to be set on the upper box cover 200, without setting other connecting structures connecting the upper box cover 200 and the connecting member 230; not only does it simplify the overall design, but it can also reduce the use of materials; specifically, the inner wall of the limiting ring 221 is threadedly connected to the outer wall of the indicator light 220, and both connection and disassembly are very convenient and quick.

[0033] Preferably, if Figure 1 to Figure 6 As shown, screw holes threadedly connected to the connecting bolts 243 are correspondingly opened on the second support plate 232 and the display circuit board 240; the second support plate 232 and the display circuit board 240 are detachably connected through the cooperation between the connecting bolts 243 and the screw holes, which is stable and convenient.

[0034] Preferably, if Figure 1 to Figure 6 As shown, a hollow portion is provided on the upper box cover 200 to expose the display area of ​​the display screen 250; the hollow portion exposing the display area of ​​the display screen 250 allows the user to intuitively see the information on the display screen 250, thereby improving the readability of the information.

[0035] Preferably, if Figure 1 to Figure 7 As shown, a transparent window 260 is arranged between the hollow portion and the display screen 250, and the transparent window 260 includes a bottom plate 261 and a protrusion 262 extending into the hollow portion; a transparent window 260 is arranged between the hollow portion of the upper box cover 200 and the display screen 250, and the transparent window 260 includes a bottom plate 261 and a protrusion 262 extending into the hollow portion. The bottom plate 261 and the protrusion 262 of the transparent window 260 provide physical protection for the display screen 250 to prevent dust, moisture and other contaminants from directly contacting the display screen 250, and can also reduce the risk of damage to the display screen 250 due to accidental impact or scratching, and the transparent property of the transparent window 260 can ensure that the image and text of the display screen 250 are clearly visible, while reducing the interference of external light on the display effect.

[0036] Preferably, if Figure 1~Figure 4 As shown, a main control circuit board 110 and a power supply circuit board 120 are fixedly connected in the lower box body 100, and the display circuit board 240, the main control circuit board 110 and the power supply circuit board 120 are connected to each other.

[0037] Preferably, if Figure 1~Figure 3 As shown, a plurality of connection brackets 130 are fixedly connected to the bottom side of the lower box body 100; the plurality of connection brackets 130 on the bottom side of the lower box body 100 can facilitate the fixed connection of the gas metering box control terminal at the installation location.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A gas metering box control terminal, comprising a lower box body and an upper box cover detachably connected thereto, wherein the lower box body and the upper box cover form a receiving space inside, and the upper box cover is connected with a display screen, an indicator light and a control button, characterized in that: A display circuit board located in the accommodating space is detachably connected to the bottom side of the upper box cover, and the display screen, the indicator light and the control button are all connected to the display circuit board.

2. A gas meter box control terminal as claimed in claim 1, characterized in that: The bottom side of the upper box cover is connected with a connecting piece, and the display circuit board is detachably connected to the connecting piece.

3. A gas meter box control terminal as claimed in claim 2, characterized in that: The connecting member includes a first support plate detachably connected to the bottom side of the upper box cover and a second support plate detachably connected to the display circuit board.

4. A gas meter box control terminal as claimed in claim 3, characterized in that: The first support plate and the upper box cover are correspondingly provided with through holes for the indicator light to pass through, and one end of the indicator light passing through the through hole is detachably connected with a limiting ring.

5. A gas meter box control terminal as claimed in claim 4, characterized in that: The inner side wall of the limiting ring is threadedly connected to the outer side wall of the indicator light.

6. A gas meter box control terminal as claimed in claim 3, characterized in that: The second support plate and the display circuit board are provided with corresponding screw holes which are threadedly connected with the connecting bolts.

7. A gas meter box control terminal as claimed in claim 1, characterized in that: The upper box cover is provided with a hollow portion exposing the display area of ​​the display screen.

8. A gas meter box control terminal as claimed in claim 7, characterized in that: A transparent window is arranged between the hollow portion and the display screen, and the transparent window comprises a bottom plate and a protruding portion extending into the hollow portion.

9. A gas meter box control terminal as claimed in claim 1, characterized in that: A main control circuit board and a power supply circuit board are fixedly connected in the lower box body, and the display circuit board, the main control circuit board and the power supply circuit board are connected to each other.

10. A gas meter box control terminal as claimed in claim 1, characterized in that: A plurality of connection brackets are fixedly connected to the bottom side of the lower box body.

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