A portable gas detector

Abstract

The utility model relates to a portable gas detection appearance, including the casing, the casing front is equipped with display screen and control button group, is equipped with battery and circuit board in the casing, at least three and control button group cooperation's pointing stick are fixedly arranged on the circuit board, control button group includes the button support of being located in the casing, and the illumination control cover plate, power cover plate and multi -functional switching cover plate that the button support is integrally formed and shows the casing, illumination control cover plate, power cover plate and multi -functional switching cover plate cover are equipped with the pointing stick top, the casing top is provided with the structure of hanging, the casing bottom is equipped with the light, the casing side and the back middle upper position are distributed with the air hole in many regional arrays, and the casing back middle lower position is provided with the support structure that can unfold, the utility model has the advantages of: compact structure, stable operation, convenient support, accurate detection and convenient to carry.

Description

Technical Field

[0001] This utility model relates to the field of gas detector technology, specifically to a portable gas detector. Background Technology

[0002] Portable gas detectors are widely used in industrial production, mining, and emergency rescue scenarios to monitor the concentration of toxic, harmful, or flammable gases in the environment in real time, ensuring the safety of workers. However, existing portable gas detectors have the following shortcomings in use: 1. The control buttons are mostly of a distributed structure, which are prone to loosening and accidental touches after long-term use. In addition, the button markings are not clear, making operation inconvenient in dim environments. 2. Lacking a stable support structure, it is prone to tipping over when placed, affecting the reading of test data; 3. The ventilation holes are poorly designed, mostly concentrated in a single area, which can easily obstruct gas flow due to hand grip, affecting the detection accuracy; 4. The carrying method is limited and the shell protection is insufficient, making it susceptible to damage from collisions or slips in complex working conditions.

[0003] Therefore, it is necessary to design a portable gas detector that is structurally stable, easy to operate, reliably supported, and easy to carry in order to solve the above problems. Summary of the Invention

[0004] The purpose of this invention is to overcome the shortcomings of existing portable gas detectors and provide a portable gas detector that is compact in structure, stable in operation, easy to support, accurate in detection, and convenient to carry.

[0005] To achieve the above objectives, the following technical solution is provided: A portable gas detector includes a housing. The front of the housing is provided with a display screen and a control button group. The housing contains a battery and a circuit board. At least three pointing sticks that cooperate with the control button group are fixed on the circuit board. The control button group includes a button bracket located inside the housing. An integrated lighting control cover, a power cover, and a multi-function switching cover are formed on the button bracket and protrude from the housing. The lighting control cover, power cover, and multi-function switching cover cover the pointing sticks. A hanging structure is provided on the top of the housing. A light is provided on the bottom of the housing. Ventilation holes are distributed in a multi-area array on the upper part of the side and back of the housing. An unfoldable support structure is provided on the lower part of the back of the housing.

[0006] The above technical solution utilizes a housing as the main support structure for the instrument, integrating various functional components and providing protection. A display screen shows real-time information such as gas concentration and detection status. Control buttons control power on / off, function switching, and lighting control. A rechargeable lithium battery provides power. The circuit board is the core control component, integrating a gas sensor, processor, and communication module for gas detection, data processing, and command response. The pointing stick is a push-to-trigger element that, in conjunction with the control buttons, inputs commands. A mounting structure allows the instrument to be attached to clothing, tool bags, etc., improving portability. A light provides illumination in dim environments to aid in operation or readings. Multiple areas prevent complete hand obstruction, ensuring unobstructed access of external gas to the housing and sensor, improving detection accuracy. A retractable support structure located on the lower back of the housing allows for tilting support, facilitating observation of the display data.

[0007] A two-stage push-button structure for an electric vehicle horn switch can be further configured as follows: the lighting control cover is provided with a sun-shaped mark, the multi-function switch cover is provided with a "℃ / ℉" mark and a volume mark, the power cover is provided with a power symbol mark, the lighting control cover, the power cover, and the multi-function switch cover are all raised structures, the button bracket is an integrated metal frame structure, and the lighting control cover, the power cover, and the multi-function switch cover can all be injection molded onto the button bracket.

[0008] Using the above technical solution, the button bracket is an integrated metal frame structure (such as stainless steel), which improves structural strength and fatigue resistance. The lighting control cover, power cover, and multi-function switch cover are all installed above the pointing stick. Pressing the pointing stick triggers the corresponding function. The multi-function switch cover is equipped with "℃ / ℉" markings (for switching temperature units) and volume markings (for adjusting alarm volume). The power symbol marking is used to indicate the power on / off function. The lighting control cover, multi-function switch cover, and power cover are all raised structures (the raised height is preferably 0.5-1.5mm) to facilitate blind operation and improve operating efficiency in complex environments. The three covers can also be made of silicone injection molded onto the button bracket to improve the button feel.

[0009] A portable gas detector may be further configured such that: the support structure is a support plate rotatably connected to the lower middle position of the back of the housing; when the support plate is unfolded, the main body can be in an inclined support state; the support plate is flat in the middle and inclined downward at both ends; the lower middle position of the back of the housing is provided with a slot adapted to the shape of the support plate; the end of the support plate away from the rotatable part of the housing is provided with an easy-opening slot, which is trapezoidal or arc-shaped.

[0010] Using the above technical solution, the rotating shaft connecting the support plate to the back of the housing can be a damped rotating shaft, so that the support plate can stay stably at any angle. After the support plate is unfolded, the main body can be tilted at 30°-60° to support the main body, which is suitable for the viewing angle of the human eye. When the support plate is folded up, it can be embedded in the slot without affecting the overall portability of the instrument. The slot is easy to open in a trapezoidal or arc shape, making it easy to insert fingers to pry the support plate out of the slot and unfold it.

[0011] A portable gas detector may be further configured such that the hanging structure is a raised hanging hole centered at the top, which is adapted to a hanging rope or hook.

[0012] Using the above technical solution, the inner diameter of the hanging hole is preferably 5-8mm, which is compatible with conventional lanyards, hooks or safety ropes to meet the carrying needs of different scenarios.

[0013] A portable gas detector may be further configured as follows: the housing is a polygonal protective housing with rounded corners; the housing has anti-slip grooves arranged in a multi-area array below the vent, the anti-slip grooves having the same shape as the vent; the display screen is an embedded screen located in the central recessed area on the front of the housing; and the side of the housing is provided with a TYPE-C interface with a dust cover.

[0014] Furthermore, the housing can be made of ABS or PC material, and the surface can be treated with a wear-resistant coating. The rounded corner design reduces collision damage, the polygonal structure improves grip stability, and the anti-slip groove and vent have the same shape (such as round or square), which not only enhances grip friction but also makes the appearance more uniform. The display screen is an embedded screen, and the groove depth is preferably 0.3-0.8mm to avoid direct impact to the display screen. The TYPE-C interface can be used for charging or data transmission, and the dust cover can prevent dust and moisture from entering the interface.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. Stable and convenient operation: The control button group adopts an integrated metal bracket, with a raised cover and special markings, which not only improves the structural strength and avoids loosening and accidental touch, but also facilitates blind operation and is suitable for dim or complex environments. 2. Reliable support: The expandable support plate design allows it to be embedded in the slot without affecting portability when folded up, and provides stable tilt support when unfolded for easy reading. 3. Accurate detection: Multiple ventilation holes on the sides and upper back reduce obstruction when holding the device, ensure smooth gas flow, and improve detection accuracy; 4. Excellent portability and protection: The top hanging structure is compatible with various carrying methods, and the protective shell with rounded corners and anti-slip grooves improves drop resistance and grip stability; the embedded display screen and TYPE-C interface with dust cover further enhance protection performance. Detailed Implementation

[0016] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. Attached Figure Description

[0017] Figure 1 This is a perspective view of an embodiment of the present utility model.

[0018] Figure 2 As an embodiment of this utility model Figure 1 A schematic diagram of the explosion state.

[0019] Figure 3 As an embodiment of this utility model Figure 2 A schematic diagram of the structure of the button bracket.

[0020] Figure 4 This is an embodiment of the present utility model. Figure 1 A schematic diagram of the back structure.

[0021] Figure 5 As an embodiment of this utility model Figure 4 A schematic diagram of the structure after the middle support plate is flipped open.

[0022] In the diagram: 1. Housing; 2. Display screen; 3. Control button group; 4. Raised hanging hole; 5. Lighting; 6. Vent hole; 7. Support plate; 8. Slot; 9. TYPE-C interface; 11. Battery; 12. Circuit board; 13. Pointing stick; 31. Button bracket; 32. Lighting control cover; 33. Power cover; 34. Multi-function switch cover; 61. Anti-slip groove; 71. Easy-open slot; 321. Sun-shaped indicator; 331. Power indicator; 341. "℃ / ℉" indicator; 342. Volume indicator. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0025] Example: As shown in Figures 1-5, a portable gas detector includes a housing 1. The housing 1 can be made of ABS material and has a hexagonal structure with rounded corners. The surface is treated with wear-resistant and anti-static treatment. A groove area is provided in the center of the front of the housing 1, and a display screen 2 is embedded in the groove to display information such as gas concentration, temperature, and battery level. A control button group 3 is provided below the display screen 2.

[0026] like Figure 2As shown, a battery 11 (a lithium battery with a capacity of 2000-3000mAh can be selected) and a circuit board 12 are fixed in the inner cavity of the housing. Three pointing sticks 13 are soldered on the circuit board, which correspond to lighting control, power control and multi-function switching functions respectively.

[0027] like Figure 2 and Figure 3 As shown, the control button group 3 includes a one-piece stainless steel button bracket 31, a lighting control cover 32, a power cover 33, and a multi-function switching cover 34. All three protrude from the surface of the housing 1. They can be injection molded from the button bracket 31 using silicone. The lighting control cover 32 is printed with a sun-shaped mark 321, the power cover 33 is printed with a power mark 331, and the multi-function switching cover 34 is printed with a "℃ / ℉" mark 341 and a volume mark 342.

[0028] The top of the housing 1 has a raised hanging hole 4 in the center, with rounded edges, so that a hanging rope or hook can be inserted; the bottom is embedded with a light 5 (such as an LED light, the brightness and flashing frequency of which can be adjusted).

[0029] Ventilation holes 6 are distributed on the left side, right side and upper back of the shell 1, with several holes arranged in an array in each area to ensure gas flow. A slot 8 adapted to the shape of the support plate 7 is provided in the lower back. The support plate 7 can be rotatably connected to the inside of the slot 8 via a damping pivot. The support plate 7 is flat in the middle and tilted downward at both ends by 15°. A trapezoidal easy-open slot 71 is provided at the end away from the pivot.

[0030] The area below the vent 6 on the back of the housing 1 has anti-slip grooves 61 of the same shape as the vent 6 to enhance grip friction; the lower right side has a TYPE-C interface 9 with a silicone dust cover, which supports 5V / 2A charging and data transfer.

[0031] The usage is as follows: press the power cover 33 to turn on the instrument, and the display screen 2 will light up; the temperature unit can be switched or the alarm volume can be adjusted by using the multi-function switching cover 34; press the lighting control cover 32 to turn the bottom light 5 on / off; when it needs to be placed, pry out the support plate 7 through the easy-open slot 71 to unfold it to a suitable angle to support the instrument; when carrying it, simply attach a hanging rope through the hanging hole 4.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples of this utility model and are not intended to limit it. Various changes and modifications can be made to this utility model without departing from its spirit and scope. All such changes and modifications fall within the scope of protection of this utility model as defined by the appended claims and their equivalents.

Claims

1. A portable gas detector, comprising a housing (1), wherein the front of the housing (1) is provided with a display screen (2) and a control button group (3), characterized in that: The housing contains a battery (11) and a circuit board (12). At least three pointing sticks (13) that cooperate with the control button group (3) are fixed on the circuit board (12). The control button group (3) includes a button bracket (31) located inside the housing (1). The button bracket (31) has an integrally formed lighting control cover (32), a power cover (33), and a multi-function switching cover (34) that protrude from the housing. The lighting control cover (32), the power cover (33), and the multi-function switching cover (34) cover the pointing sticks (13). The top of the housing (1) is provided with a hanging structure. The bottom of the housing (1) is provided with a lighting lamp (5). The sides and the upper part of the back of the housing (1) are provided with ventilation holes (6) in a multi-area array. The lower part of the back of the housing (1) is provided with an unfoldable support structure.

2. The portable gas detector according to claim 1, characterized in that: The lighting control cover (32) is provided with a sun-shaped mark (321), the multi-function switch cover (34) is provided with a "℃ / ℉" mark (341) and a volume mark (342), the power cover (33) is provided with a power symbol mark (331), the lighting control cover (32), the power cover (33) and the multi-function switch cover (34) are all raised structures, the button bracket (31) is an integrated metal frame structure, and the lighting control cover (32), the power cover (33) and the multi-function switch cover (34) can all be injection molded onto the button bracket (31).

3. A portable gas detector according to claim 1, characterized in that: The support structure is a support plate (7) that is rotatably connected to the lower back of the shell (1). After the support plate (7) is unfolded, the main body can be tilted at 30-60°. The support plate (7) is flat in the middle and tilted downward at both ends. The lower back of the shell (1) is provided with a slot (8) that matches the shape of the support plate. The support plate (7) is provided with an easy-open slot (71) at the end away from the shell (1) that is rotatable. The easy-open slot (71) is set in a trapezoidal or arc shape.

4. A portable gas detector according to claim 1, characterized in that: The hanging structure is a raised hanging hole (4) at the top center, which is suitable for hanging ropes or hooks.

5. A portable gas detector according to any one of claims 1-4, characterized in that: The housing (1) is a polygonal protective housing with rounded corners. The housing (1) has anti-slip grooves (61) arranged in a multi-area array below the vent (6). The anti-slip grooves (61) have the same shape as the vent (6). The display screen (2) is an embedded screen located in the central groove area on the front of the housing (1). The housing (1) has a TYPE-C interface (9) with a dust cover on its side.

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