Gas sensor integrated module

Abstract

The utility model discloses a gas sensor integrated module which comprises a shell assembly, a sensor body, a PCB connecting plate and a module cover, the module cover is arranged below the shell assembly and connected with the shell assembly in a combined mode, the PCB connecting plate is connected with the sensor body in a combined mode, the PCB connecting plate is arranged above the module cover, and the module cover is arranged above the sensor body. The shell assembly is arranged in the module cover and combined and connected with the module cover, and an upper sealing cover is arranged above the shell assembly. According to the utility model, the integrated module adopts a split design, so that the position where a problem occurs can be conveniently judged, and after-sales maintenance is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to sensor technical field especially relates to a gas sensor integrated module. BACKGROUND

[0002] At present, in general life, most gases are colorless and odorless, and some gases, especially some factory discharged waste gas, are easy to cause harm to human body and environment, but with the improvement of people's living standards and the increasing emphasis on environmental protection, the detection of various toxic and harmful gases, the monitoring of atmospheric pollution and industrial waste gas and the detection of environmental quality have put forward higher requirements, and as one of the sensory or signal input parts, the sensor is indispensable, and the sensor can detect and analyze various gases, so it has been widely applied in the fields of medicine, environmental protection, quality inspection and home.

[0003] Common gas sensors have the characteristics of many types, if it is a product for detecting different gases, the gas sensor needs to be replaced, when the gas sensor is installed on the mainboard, welding is usually used, but the gas sensor welded on the mainboard not only limits its application in portable devices or space limited environment, but also is inconvenient to separate from the mainboard when the gas sensor needs to be repaired and replaced later. UTILITARIAN CONTENT

[0004] The utility model aims at providing a kind of gas sensor integrated module, the module adopts split design, it is easy to separate the detection unit of gas sensor and the connection unit of outside simply and quickly, it is convenient to replace and overhaul sensor body.

[0005] The utility model adopts the following technical solutions:

[0006] A kind of gas sensor integrated module, including shell assembly, sensor body, PCB connecting plate and module cover, the surface of the PCB connecting plate is fixedly installed with several connection PIN, the module cover is arranged below module shell body, and is combined with shell assembly, the PCB connecting plate is installed above module cover, and is combined with module cover, upper cover is provided on the upper portion of shell assembly.

[0007] Optionally, the shell assembly includes a module housing, the upper and lower ports of the module housing are communicated with the outside, and a limiting stop is formed in the inner wall of the module housing close to the lower end opening position of the module housing.

[0008] Optionally, a threaded strip is fixedly arranged on the lower outer wall of the upper cover, a threaded groove is formed in the inner wall of the upper opening of the module housing, and the threaded strip is threadedly matched with the threaded groove.

[0009] Optionally, the lower end surface of the module shell is annular and uniformly provided with a plurality of vertical sliding grooves, the sliding grooves are communicated with the limiting grooves, and a limiting slot is formed at the upper end side of the sliding groove, the limiting slot is communicated with the sliding groove.

[0010] Optionally, the upper surface of the module cover is provided with a circular slot for placing the PCB connecting plate, and a rubber ring is placed in the slot.

[0011] Optionally, a plurality of through holes two are formed in the slot of the module cover, the number of the through holes two is same as the number of the connecting PINs on the PCB connecting plate.

[0012] Optionally, the outer wall of the module cover is annular and uniformly provided with a plurality of clamping blocks, the thickness of the clamping block is less than the thickness of the module cover, the thickness of the clamping block corresponds to the limiting slot, and the width of the clamping block corresponds to the sliding groove.

[0013] Optionally, the shell assembly comprises a module shell, and a fixed plate is fixedly arranged on the lower end surface of the module shell, and a through hole for the connecting PIN of the PCB connecting plate is formed in the fixed plate.

[0014] Optionally, a placing slot is formed in the upper surface of the fixed plate, a through hole one is formed in the center surface of the placing slot, and a through hole three corresponding to the through hole one is formed in the center surface of the PCB connecting plate.

[0015] Optionally, an anchor-shaped buckle is arranged below the fixed plate, and the anchor-shaped buckle is used in cooperation with the through hole one and the through hole three.

[0016] In summary, the present application has the following advantages:

[0017] 1. In the present application, when installing the gas sensor, the connecting PIN is welded to the external connecting main plate, at this time, the module cover and the module shell have been connected, then the sensor body is inserted into the PCB connecting plate, and then the upper cover is screwed with the module shell to complete the thread cooperation, so that the installation operation of the gas sensor integrated module is completed, and the process is simple and practical.

[0018] 2. In the present application, when the sensor body needs to be replaced, the upper cover is unscrewed, and then the sensor body is pulled out of the PCB connecting plate, so that the sensor body can be replaced.

[0019] 3、The utility model discloses, need to replace integrated module whole, first the connection PIN below PCB connecting plate is split in the connection mainboard of outside, becomes the separate state from the welding state, then integrated module whole is taken out, then the upper cover is screwed off, removes the force that exerts to sensor body upper end, then twists the connection PIN below PCB connecting plate, drives module cover to carry out reverse rotation, makes the clamping block and limit slot separate, reenter into the vertical slide groove, then module cover, PCB connecting plate and sensor body are separated with module shell together, after separating, separate again sensor body and PCB connecting plate, can replace brand -new integrated module subsequently, simple operation, convenient and practical, it is easy to use;

[0020] 4、The utility model discloses, integrated module adopts the design of split, can be convenient for judging the position of problem occurrence, is very favorable to after -sales maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the explosion map of example one in the utility model;

[0022] Figure 2 It is the whole structure schematic diagram of example one in the utility model;

[0023] Figure 3 It is the structure schematic diagram of module shell of example one in the utility model;

[0024] Figure 4 It is the structure schematic diagram of module cover of example one in the utility model;

[0025] Figure 5 It is the whole sectional view of example one in the utility model;

[0026] Figure 6 It is the sectional view of module shell of example one in the utility model;

[0027] Figure 7 It is the whole structure schematic diagram of example two in the utility model;

[0028] Figure 8 It is the whole sectional view of example two in the utility model;

[0029] Figure 9 It is the structure schematic diagram of anchor-shaped buckle of example two in the utility model;

[0030] In the figure, 1, module shell; 11, sliding groove; 12, limiting groove; 13, limiting stop; 14, threaded groove; 17, fixed plate; 171, through hole three; 172, placing groove; 2, sensor body; 21, PCB connecting plate; 22, through hole one; 23, connecting PIN; 3, upper cover; 31, threaded strip; 4, rubber ring; 5, module cover; 51, notch; 52, through hole two; 53, clamping block; 6, anchor-shaped buckle. DETAILED DESCRIPTION

[0031] The principles and spirits of the present application will be explained in detail below with reference to several representative embodiments of the present application.

[0032] Please refer to Figures 1-9 The present application will be described in detail below with reference to the accompanying drawings and embodiments:

[0033] Embodiment one:

[0034] Please refer to Figures 1-2 A gas sensor integrated module, comprising a shell assembly, a sensor body 2, a PCB connecting plate 21 and a module cover 5, the shell assembly comprises a module shell 1, the surface of the PCB connecting plate 21 is fixedly installed with a plurality of connecting PINs 23, the pins of the sensor body 2 are inserted into the connecting PINs 23 on the PCB connecting plate 21, then the sensor body 2 and the PCB connecting plate 21 are placed into the module shell 1 to protect the sensor body 2, the module cover 5 is arranged below the module shell 1 and is combined and connected with the module shell 1, the PCB connecting plate 21 is installed above the module cover 5 and is combined and connected with the module cover 5, which has a fixing effect on the sensor body 2 and the PCB connecting plate 21, wherein the PCB connecting plate 21 is a prior art and is a circuit board for connecting and integrating various electronic components, including sensors.

[0035] Please refer to Figures 2-3 In this embodiment, the upper and lower ports of the module shell 1 are communicated with the outside, a limiting stop 13 is arranged on the inner wall of the module shell 1 near the lower end opening position of the module shell 1, and the limiting stop 13 is used for limiting the position of the module cover 5.

[0036] Please refer to Figure 6 In this embodiment, the upper end of the module shell 1 is provided with an upper cover 3, the lower outer wall of the upper cover 3 is fixedly provided with a threaded strip, a threaded groove 14 is arranged on the inner wall of the upper opening of the module shell 1, the threaded strip is threadedly matched with the threaded groove 14, and the upper cover 3 is combined and connected with the module shell 1.

[0037] Specifically, the upper cover 3 is used for limiting the upper end of the sensor body 2 installed in the module shell 1.

[0038] As shown in Figure 3 A plurality of vertical sliding grooves 11 are evenly arranged on the lower end surface of the module shell 1 in a ring shape, the sliding grooves 11 are connected with the limiting stop 13, and a limiting groove 12 is arranged on the upper end side of the sliding groove 11, the limiting groove 12 is connected with the sliding groove 11, and the limiting groove 12 and the sliding groove 11 are combined into an L-shaped groove.

[0039] Specifically, the module shell 1 is combined and connected with the module cover 5 through the sliding groove 11, the limiting groove 12 and the limiting stop 13.

[0040] As shown in Figures 1-5 A circular slot 51 for placing the PCB connecting plate 21 is arranged on the upper surface of the module cover 5, a rubber ring 4 is placed in the slot 51, and a plurality of through holes 52 are arranged in the slot 51 of the module cover 5, the number of the through holes 52 is the same as the number of the connecting PINs 23 on the PCB connecting plate 21, the connecting PINs 23 on the PCB connecting plate 21 are inserted into the through holes 52, then the PCB connecting plate 21 enters the slot 51 and contacts the rubber ring 4, wherein the rubber ring 4 is used to avoid the PCB connecting plate 21 being pressed and damaged on the lower surface during installation.

[0041] As shown in Figures 1-5 A plurality of clamping blocks 53 are fixedly arranged on the outer wall of the module cover 5 in a ring shape, the thickness of the clamping block 53 is less than the thickness of the module cover 5, the thickness of the clamping block 53 corresponds to the limiting groove 12, and the width of the clamping block 53 corresponds to the sliding groove 11, the clamping block 53 can enter the vertical sliding groove 11, then the clamping block 53 can enter the limiting groove 12 by rotating the module cover 5, at this time, the module cover 5 and the module shell 1 are combined and connected.

[0042] Specifically, the module cover 5 is inserted into the lower end of the module shell 1 with the clamping block 53 upward, during the insertion process, the clamping block 53 enters the corresponding sliding groove 11, when the upper surface of the module cover 5 touches the limiting stop 13, the module cover 5 is rotated, the clamping block 53 enters the limiting groove 12, at this time, the module cover 5 and the module shell 1 are combined and connected, then the PCB connecting plate 21 is connected with the sensor body 2, and is placed in the module shell 1, the connecting PINs 23 of the PCB connecting plate 21 penetrate the through holes 52 of the module cover 5, then the upper cover 3 is threadedly connected with the module shell 1, to finally fix the position of the sensor body 2.

[0043] Further, when the sensor body 2 needs to be replaced, the upper cover 3 is unscrewed, then the sensor body 2 is pulled out of the PCB connecting plate 21, so that the sensor body 2 can be replaced

[0044] Further, if the sensor body 2 still cannot work after replacement, at this time, it needs to be considered whether the PCB connecting plate 21 has a problem, the connection PIN 23 below the PCB connecting plate 21 is first separated from the external connecting mainboard, from the welding state to the separated state, then the integrated module is taken out as a whole, then the upper cover 3 is unscrewed, the force applied to the upper end of the sensor body 2 is removed, then the connection PIN 23 below the PCB connecting plate 21 is screwed, the module cover 5 is driven to rotate in the opposite direction, the clamping block 53 is separated from the limiting groove 12, and reenters the vertical sliding groove 11, then the module cover 5, the PCB connecting plate 21 and the sensor body 2 are separated from the module shell 1, after the separation is completed, the sensor body 2 and the PCB connecting plate 21 are separated, and the new sensor body 2 can be replaced subsequently, which is simple, convenient and practical.

[0045] Embodiment two:

[0046] As shown in Figures 7-9 , on the basis of embodiment one, in order to reduce the number of parts in the sensor module, the module shell 1 in the shell assembly is replaced with a module shell 1 provided with a fixed plate 17 at the lower end opening, the fixed plate 17 in the embodiment is integrally provided with the module shell 1, and the fixed plate 17 is also provided with a through hole for the connection PIN 23 of the PCB connecting plate 21 to pass through.

[0047] As shown in Figures 7-9 , a placing groove 172 is provided on the upper surface of the fixed plate 17, a through hole one 22 is provided on the central surface of the placing groove 172, and a through hole three 171 corresponding to the through hole one 22 is provided on the central surface of the PCB connecting plate 21.

[0048] As shown in Figures 7-9 , a rubber ring 4 is also placed in the placing groove 172, which corresponds to the PCB connecting plate 21.

[0049] As shown in Figures 7-9 , an anchor-shaped buckle 6 is provided below the fixed plate 17, which is used in cooperation with the through hole one 22 and the through hole three 171.

[0050] Specifically, after the sensor body 2 and the PCB connecting plate 21 are connected and placed in the module shell 1, the anchor-shaped buckle 6 is inserted into the through hole one 22 and the through hole two 52 to fix the PCB connecting plate 21 and the fixed plate 17, and then the upper end of the sensor body 2 is limited by screwing the upper cover 3.

[0051] As used in the specification and claims, some terms can have special meanings. Those of skill in the art will understand that a hardware manufacturer can use a different name for the same component. Accordingly, the specification and claims should not be construed as limited to components with the names identified herein. Rather, the specification and claims should be construed to cover components that serve the same function as those identified herein, regardless of the names used by a hardware manufacturer. As used throughout this specification and in the claims, "comprise" or "comprising" or "include" or "including" means "including but not limited to." "Substantially" means within acceptable manufacturing tolerances, as would be understood by one of skill in the art.

[0052] It should be noted that, as used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the content clearly dictates otherwise. Thus, for example, reference to "a component" includes a combination of two or more components, and the like.

[0053] The foregoing description illustrates and describes the only preferred embodiments of the application. However, it is to be understood that the application is not limited to the precise embodiments described herein and that various modifications can be made in the application without departing from the spirit and scope of the application. Accordingly, the specification and drawings are to be regarded as illustrative only and the scope of the application is to be determined solely by reference to the claims.

Claims

1. A gas sensor integrated module, characterized by: Including shell assembly, sensor body (2), PCB connecting plate (21) and module cover (5), the surface of the PCB connecting plate (21) is fixedly provided with a plurality of connecting PIN (23), the module cover (5) is arranged below the module shell (1), and is combined with the shell assembly, the PCB connecting plate (21) is installed above the module cover (5), and is combined with the module cover (5), the upper cover (3) is arranged above the shell assembly.

2. The gas sensor integrated module according to claim 1, characterized in that: The shell assembly includes a module shell (1), the upper and lower ends of the module shell (1) are communicated with the outside, and a limiting stop (13) is formed in the inner wall of the module shell (1) close to the lower end opening position of the shell (1).

3. The gas sensor integrated module according to claim 2, characterized in that: The lower outer wall of the upper cover (3) is fixedly provided with a threaded strip, and the inner wall of the upper opening of the module shell (1) is provided with a threaded groove (14), and the threaded strip is screwed with the threaded groove (14).

4. The gas sensor integrated module according to claim 2, characterized in that: The lower end surface of the module shell (1) is uniformly provided with a plurality of vertical sliding grooves (11), the sliding grooves (11) are communicated with the limiting stop (13), and a limiting groove (12) is formed in the upper end side of the sliding groove (11), and the limiting groove (12) is communicated with the sliding groove (11).

5. The gas sensor integrated module according to claim 1, characterized in that: The upper surface of the module cover (5) is provided with a circular notch (51) for placing the PCB connecting plate (21), and a rubber ring (4) is placed in the notch (51).

6. The gas sensor integrated module according to claim 5, characterized in that: A plurality of through holes two (52) are formed in the notch (51) of the module cover (5), and the number of the through holes two (52) is the same as that of the connecting PIN (23) on the PCB connecting plate (21).

7. The gas sensor integrated module according to claim 4, characterized in that: The outer wall of the module cover (5) is uniformly provided with a plurality of clamping blocks (53), the thickness of the clamping block (53) is less than that of the module cover (5), the thickness of the clamping block (53) corresponds to the limiting groove (12), and the width of the clamping block (53) corresponds to the sliding groove (11).

8. The gas sensor integrated module according to claim 1, characterized in that: The shell assembly includes a module shell (1), and the lower end surface of the module shell (1) is fixedly provided with a fixed plate (17), and the fixed plate (17) is provided with a through hole for the connecting PIN (23) of the PCB connecting plate (21).

9. The gas sensor integrated module according to claim 8, characterized in that: The upper surface of the fixed plate (17) is provided with a placing groove (172), the center surface of the placing groove (172) is provided with a through hole one (22), and the center surface of the PCB connecting plate (21) is provided with a through hole three (171) corresponding to the through hole one (22).

10. The gas sensor integrated module according to claim 9, characterized in that: The lower side of the fixed plate (17) is provided with an anchor-shaped buckle (6), and the anchor-shaped buckle (6) is used in cooperation with the through hole one (22) and the through hole three (171).

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