Gas leakage detection infrared imager

Abstract

The utility model discloses a gas leak detection infrared imager comprising an imager main body, the imager main body comprises a housing, the housing is provided with a mounting hole, and the imager main body is internally provided with a control mainboard; the encoder switch is fixedly arranged in the shell, and the encoder switch is electrically connected with the control mainboard; the knob comprises a rotating disc and a connecting column, the connecting column is fixedly connected with the rotating disc, the connecting column penetrates through the mounting hole in a sliding mode and then is fixedly connected with the encoder switch, and the rotating disc is located on the outer side of the shell; the limiting piece is fixedly connected to the connecting column in a sleeving mode and located on the inner side of the shell, and the limiting piece is used for limiting the connecting column to be separated from the mounting hole outwards; and the buffer piece is arranged between the limiting piece and the shell. According to the utility model, the technical effects of reducing the influence of the environment on the option operation part of the gas leakage detection infrared imager, improving the use sensitivity and stability, and being capable of reducing the impact of the limiting piece on the shell when the knob rebounds can be realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to infrared detection technical field, specifically, relate to a gas leak detection infrared imager. BACKGROUND

[0002] The gas leak detection infrared imager on the market mostly adopts micro-oscillating lever or magnet hall magnet induction mode, and the magnet hall induction mode is susceptible to temperature influence, which leads to magnet magnetic force change and causes inaccurate hall induction, and the micro-oscillating lever mode is susceptible to dust accumulation, which leads to inoperable operation. UTILITY MODEL CONTENTS

[0003] The utility model discloses a gas leak detection infrared imager, which solves the problem of inoperable operation of the gas leak detection infrared imager due to temperature environment and dust.

[0004] To achieve the above object, the utility model provides a gas leak detection infrared imager, which comprises:

[0005] An imager main body, which comprises a shell, the shell is provided with a mounting hole, and the imager main body is provided with a control mainboard;

[0006] An encoder switch, which is fixedly arranged in the shell and electrically connected with the control mainboard;

[0007] A knob, which comprises a rotating disc and a connecting column, the connecting column is fixedly connected with the rotating disc, the connecting column is fixedly connected with the encoder switch after sliding through the mounting hole, and the rotating disc is located on the outside of the shell;

[0008] A limiting piece, which is fixedly sleeved on the connecting column and located on the inside of the shell, and is used for limiting the connecting column from separating from the mounting hole;

[0009] A buffer piece, which is arranged between the limiting piece and the shell.

[0010] Further, a first mounting groove is arranged on the connecting column, the first mounting groove is arranged as an annular groove, and the limiting piece is clamped and fixed with the first mounting groove.

[0011] Further, the limiting piece comprises a clamping spring, one end of the clamping spring is arranged as an open structure, and the clamping spring is clamped and fixed on the first mounting groove through the open structure.

[0012] Further, the buffer piece comprises silica gel foam.

[0013] Further, the silica gel foam is arranged in a ring shape, and is fixedly connected to the inner side of the shell.

[0014] Further, the gas leak detection infrared imager further comprises a sealing member, which is sleeved on the connecting column and located between the connecting column and the mounting hole.

[0015] Further, the depth of the mounting hole is greater than the maximum pressing stroke of the encoder switch.

[0016] Further, a second mounting groove is arranged on the connecting column, the second mounting groove is arranged in a ring shape, and the sealing member is sleeved and fixed on the second mounting groove.

[0017] Further, a plurality of anti-skid grooves are arranged on the ring side of the rotating disc.

[0018] Further, a connecting groove is arranged in the connecting column, and the connecting column is inserted and matched with the encoder switch through the connecting groove.

[0019] In the embodiment of the utility model, the imaging instrument main body is arranged, the imaging instrument main body includes the shell, the mounting hole is set up on the shell, the control mainboard is arranged in the imaging instrument main body;Encoder switch, the encoder switch is fixed in the shell, and the encoder switch is electrically connected with the control mainboard;Knob, the knob includes rotating disc and connecting column, the connecting column is fixedly connected with the rotating disc, and the connecting column is fixedly connected with the encoder switch after sliding through the mounting hole, and the rotating disc is located at the outer side of the shell;Limiting piece, the limiting piece is fixedly sleeved on the connecting column and located at the inner side of the shell, and the limiting piece is used for limiting the connecting column to separate from the mounting hole outward;Buffer piece, the buffer piece is arranged between the limiting piece and the shell, reaches the purpose that the knob and the encoder switch are used, the encoder switch is rotated and is controlled through the knob, and the limiting piece is limited to the knob in the axial direction, and the buffer piece is buffered to the rebound process of the knob after pressing, thereby realizing the influence of the environment on the option operation component of the gas leak detection infrared imager is reduced, the use sensitivity and stability are improved, and the impact of the limiting piece on the shell when the knob rebounds can be limited, thereby solving the problems that the option key of the gas leak detection infrared imager is easily affected by temperature environment and dust in the related art, and operation is not sensitive. BRIEF DESCRIPTION OF DRAWINGS

[0020] The drawings constituting a part of the utility model are used to provide further understanding on the utility model, so that other features, objects and advantages of the utility model become more obvious.The illustrative embodiment drawings of the utility model and the description thereof are used to explain the utility model, and do not constitute undue limitation on the utility model.In the drawings:

[0021] Figure 1It is a local explosion structure schematic diagram of the gas leak detection infrared imaging instrument according to the embodiment of the utility model;

[0022] Figure 2 It is a side view structure schematic diagram of the gas leak detection infrared imaging instrument according to the embodiment of the utility model;

[0023] Figure 3 It is Figure 2 The cross-sectional structure schematic diagram of A-A in it;

[0024] Figure 4 It is Figure 3 The structure schematic diagram of local amplification in it;

[0025] Wherein, 1 shell, 2 imaging instrument main body, 3 encoder switch, 4 knob, 40 rotating disc, 41 connecting column, 410 first installation slot, 411 second installation slot, 42 connecting groove, 5 buffer, 6 limiting piece, 7 sealing element. DETAILED DESCRIPTION

[0026] In order to make the personnel in the technical field better understand the utility model scheme, the technical scheme in the embodiment of the utility model will be described clearly and completely below in combination with the drawings in the embodiment of the utility model, obviously, the described embodiment is only a part of the embodiment of the utility model, not all. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor should belong to the protection scope of the utility model.

[0027] It should be noted that the terms "first", "second" and the like in the description and claims of the utility model and the above drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the utility model described herein.

[0028] In the utility model, the orientation or position relationship indicated by the terms "upper", "lower", "inner" and the like is based on the orientation or position relationship shown in the drawings. These terms are mainly used to better describe the utility model and its embodiments, and are not used to limit the indicated device, element or component must have a specific orientation, or be constructed and operated in a specific orientation.

[0029] And, in addition to the orientation or position relationship, the above-mentioned part of the term can also be used to represent other meanings, for example, the term "upper" can also be used to represent a certain attachment relationship or connection relationship in some cases. For the ordinary skilled in the art, the specific meaning of these terms in the utility model can be understood according to the specific circumstances.

[0030] Furthermore, the terms "set", "provided with", "connected", "fixed" and the like should be interpreted broadly. For example, "connected" can be fixed connection, detachable connection, or integral configuration; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection via an intermediate medium, or internal connection between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those skilled in the art according to the specific circumstances.

[0031] In addition, the term "a plurality of" means two and more than two.

[0032] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0033] To solve the related technical problems, as shown in Figures 1 to 4 The embodiment of the present application provides a gas leak detection infrared imager, which comprises:

[0034] An imager main body 2, the imager main body 2 comprises a shell 1, the shell 1 is provided with a mounting hole, and the imager main body 2 is provided with a control mainboard;

[0035] An encoder switch 3, the encoder switch 3 is fixedly arranged in the shell 1, and the encoder switch 3 is electrically connected with the control mainboard;

[0036] A knob 4, the knob 4 comprises a rotating disc 40 and a connecting column 41, the connecting column 41 is fixedly connected with the rotating disc 40, the connecting column 41 is fixedly connected with the encoder switch 3 after sliding through the mounting hole, and the rotating disc 40 is located outside the shell 1;

[0037] A limiting piece 6, the limiting piece 6 is fixedly sleeved on the connecting column 41 and located inside the shell 1, and the limiting piece 6 is used for limiting the connecting column 41 from separating outward from the mounting hole;

[0038] A buffer piece 5, the buffer piece 5 is arranged between the limiting piece 6 and the shell 1.

[0039] In the embodiment, the imager main body 2 mainly comprises an infrared lens, a detector, an electric control assembly and the shell 1, wherein the detector and the electric control assembly are fixedly arranged in the shell 1, and the infrared lens is partially located outside the shell 1 after being connected with the detector. In order to conveniently call various functions of the imager main body 2 in the use process, an option key needs to be configured. In the embodiment, the option key comprises the encoder switch 3, the encoder switch 3 is fixedly arranged in the shell 1 and electrically connected with the control mainboard in the shell 1, the corresponding electrical signal is output through the rotation of the encoder switch 3, so that the option function is realized. The encoder switch 3 is a standard electronic component, which has various types, complete specifications and cost / quality advantages.

[0040] To facilitate the rotation of the encoder switch 3 located in the shell 1, the option key in the embodiment further comprises a knob 4, a part of the knob 4 is located outside the shell 1, and the other part is located inside the shell 1 and connected with the encoder switch 3, so that the knob 4 can be rotated to drive the encoder switch 3 to rotate. In the embodiment, the knob 4 comprises a rotating disc 40 and a connecting column 41, wherein the rotating disc 40 is located outside the shell 1, and the connecting column 41 passes through the mounting hole on the shell 1 into the inside of the shell 1 and is connected with the encoder switch 3.

[0041] In an embodiment, the connecting column 41 and the encoder switch 3 can be insertedly matched, and further, a connecting groove 42 is arranged in the connecting column 41, and the connecting column 41 is insertedly matched with the encoder switch 3 through the connecting groove 42. In the embodiment, the lock in the rotation direction can be realized by the shape of the insertion part (for example, the shape of a D-shaped hole), so that the connecting column 41 can be synchronously rotated with the encoder switch 3. In another embodiment, the connecting column 41 and the encoder switch 3 can be fixedly connected by adhesion or welding, and the like, which is not limited in the embodiment.

[0042] To facilitate the installation, the connecting column 41 and the encoder switch 3 are preferably insertedly matched in the embodiment. During the installation, the connecting column 41 of the knob 4 can be first passed through the mounting hole on the shell 1, and then the encoder switch 3 is insertedly matched with the connecting column 41. The encoder switch 3 can be fixed in the shell 1 by a screw. After the insertion matching, to avoid the connecting column 41 from sliding outwardly to separate from the encoder switch 3, a limiting piece 6 is arranged on the connecting column 41 in the embodiment, and the limiting piece 6 corresponds to the inner side surface of the shell 1, and when the connecting column 41 moves outwardly along the axial direction, the limiting piece 6 abuts against the inner side surface of the shell 1 to limit the connecting column 41 from separating outwardly from the mounting hole.

[0043] When the encoder switch 3 is operated, the knob 4 can be pressed to press the encoder switch 3, so as to enrich the option operation. After the pressing, the encoder switch 3 and the knob 4 will rebound, that is, the connecting column 41 will slide outwardly in the mounting hole. Therefore, to avoid the hard contact between the limiting piece 6 arranged on the connecting column 41 and the inner side of the shell 1, which can easily cause damage, a buffer piece 5 is arranged between the limiting piece 6 and the shell 1 in the embodiment, the buffer piece 5 is made of flexible material, and the buffer piece 5 can be fixed on the inner side of the shell 1 or the outer side of the limiting piece 6. When rebounding after the pressing, the flexible contact between the limiting piece 6 and the shell 1 is realized through the buffer piece 5, so as to further improve the use stability. Moreover, after the buffer piece 5 is arranged, the buffer piece 5 as the flexible material can fill the gap between the limiting piece 6 and the shell 1, so as to effectively prevent the knob 4 from shaking due to the gap.

[0044] The utility model discloses a knob 4 and encoder switch 3 cooperate, control through the knob 4 drive encoder switch 3 rotation, and through the limiting piece 6 to the knob 4 in axial location, the springback process of the knob 4 is buffered through the buffer 5 after pressing to the purpose, thereby realize the influence of reducing the environment to the option operation component of gas leak detection infrared imaging appearance, improve the use sensitivity and stability, and can to the impact of limiting piece 6 to shell 1 when the knob 4 rebound, further solve the option key of gas leak detection infrared imaging appearance in the related art and be susceptible to temperature environment influence and dust influence, lead to the problem of not sensitive operation.

[0045] For the convenience of fixing the limiting piece 6 on the connecting column 41, as shown in Figure 1 and Figure 4 , a first mounting groove 410 is formed on the connecting column 41 in the embodiment, the first mounting groove 410 is arranged as an annular groove, and the limiting piece 6 is clamped and fixed with the first mounting groove 410. In the embodiment, the limiting piece 6 can be arranged as an annular structure, can be sleeved and fixed on the connecting column 41 and clamped into the first mounting groove 410. In a specific embodiment, the limiting piece 6 includes a clamping spring, one end of the clamping spring is arranged as an open structure, the clamping spring is clamped and fixed on the first mounting groove 410 through the open structure, and the outer diameter of the clamping spring is greater than the diameter of the mounting hole on the shell 1, so that the connecting column 41 can be limited to separate from the mounting hole.

[0046] The buffer 5 is a structural member that plays a buffering role, and can be made of an elastic material, such as rubber. In consideration of the fact that the buffer 5 also needs to play a role of filling gaps, the buffer 5 in the embodiment includes silica gel foam, which has good elastic deformation ability and filling capacity. Further, the silica gel foam is arranged in an annular shape and is adhesively fixed to the inner side of the shell 1.

[0047] Since the connecting column 41 of the knob 4 needs to be axially slidable in the mounting hole, the connecting column 41 and the mounting hole need to be gap-fitted. As shown in Figure 4 , to avoid external dust entering the shell 1 through the gap, the gas leak detection infrared imaging appearance in the embodiment further includes a sealing member 7, which is sleeved on the connecting column 41 and located between the connecting column 41 and the mounting hole. To avoid the sealing member 7 from separating from the mounting hole during the sliding process of the connecting column 41 in the mounting hole, the depth of the mounting hole is greater than the maximum pressing stroke of the encoder switch 3 in the embodiment. To improve the sealing performance, the sealing member 7 can be configured with multiple levels of sealing structure. In an embodiment, the sealing member 7 includes a sealing rubber ring, which can be arranged as one or more.

[0048] For the convenience of fixing the sealing member 7 on the connecting column 41, as shown in Figure 4As shown, the second mounting groove 411 is arranged on the connecting column 41 in the embodiment, and the second mounting groove 411 is arranged as an annular groove, and the sealing element 7 is sleeved and fixed on the second mounting groove 411.

[0049] In order to avoid sliding when the rotating disc 40 is operated, a plurality of anti-skid grooves are arranged on the ring side of the rotating disc 40 in the embodiment.

[0050] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A gas leak infrared imaging instrument, comprising: The utility model relates to a gas leak detection infrared imager, including: An imager body, the imager body includes a shell, the shell is provided with a mounting hole, the imaper body is provided with a control mainboard in; An encoder switch, the encoder switch is fixed in the shell, and the encoder switch is electrically connected with the control mainboard; A knob, the knob includes a rotating disc and a connecting column, the connecting column is fixedly connected with the rotating disc, the connecting column is fixedly connected with the encoder switch after sliding through the mounting hole, and the rotating disc is located on the outside of the shell; A limiting piece, the limiting piece is fixedly sleeved on the connecting column and located on the inside of the shell, and the limiting piece is used for limiting the connecting column to be separated from the mounting hole outwardly; A buffer piece, the buffer piece is arranged between the limiting piece and the shell.

2. The gas leak detection infrared imager of claim 1, wherein, The connecting column is provided with a first installation groove, the first installation groove is arranged as an annular groove, and the limiting piece is clamped and fixed with the first installation groove.

3. The gas leak detection infrared imager of claim 2, wherein, The limiting piece includes a snap spring, one end of the snap spring is arranged as an open structure, and the snap spring is clamped and fixed on the first installation groove through the open structure.

4. The gas leak detection infrared imager of claim 1, wherein, The buffer piece includes silica gel foam.

5. The gas leak detection infrared imager of claim 4, wherein, The silica gel foam is arranged as an annular shape, and the silica gel foam is adhesively fixed on the inside of the shell.

6. The gas leak detection infrared imager of claim 1, wherein, The gas leak detection infrared imager further includes a sealing piece, the sealing piece is sleeved on the connecting column and located between the connecting column and the mounting hole.

7. The gas leak detection infrared imager of claim 6, wherein, The depth of the mounting hole is greater than the maximum pressing stroke of the encoder switch.

8. The gas leak detection infrared imager of claim 7, wherein, The connecting column is provided with a second installation groove, the second installation groove is arranged as an annular groove, and the sealing piece is clamped and fixed on the second installation groove.

9. The gas leak detection infrared imager of claim 1, wherein, The ring side of the rotating disc is provided with a plurality of anti-skid grooves.

10. The gas leak detection infrared imager of claim 1, wherein, The connecting column is provided with a connecting groove, and the connecting column is inserted and matched with the encoder switch through the connecting groove.

Images