Gland type electrode clamping groove module for gas sensor

Abstract

The utility model discloses a gland type electrode clamping groove module for a gas sensor, which comprises a solder mask layer, an electrode fixing structure arranged at the upper end of the solder mask layer, and a locking protection structure arranged on the surface of the electrode fixing structure, the electrode fixing structure comprises a bottom plate fixedly connected to the top surface of the solder mask layer, the middle part of the bottom plate is fixedly connected with an electrode pressing sheet, the top surface of the solder mask layer is fixedly connected with a terminal, and the middle part of the terminal is fixedly connected with a contact pin. According to the gland type electrode clamping groove module for the gas sensor, provided by the utility model, the gland type electrode clamping groove module for the gas sensor is specially designed in order to meet the development requirements of miniaturization and integration of the gas sensor, so that the gas sensor is integrated and modularized, and the gland type electrode clamping groove module is convenient for hardware engineers to use; and through the structural design of the interdigital electrode clamping groove, replacement of the failed gas sensor is more convenient, the cost is saved, and the working time is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a gas sensor technical field especially relates to a gland formula electrode slot module for gas sensor. BACKGROUND

[0002] The gas sensor detects the gas concentration through the principle of electrochemistry, semiconductor, etc., and the interdigital electrode (IDE) is a special electrode structure composed of interlaced electrode fingers, which can increase the surface area and improve the sensitivity and response speed of the sensor. The interdigital electrode is often used in electrochemical gas sensors to enhance the detection accuracy of gas concentration changes and is widely used in air quality monitoring, industrial gas leakage detection and other fields. Through this design, the sensor can respond more quickly and accurately to changes in gas concentration.

[0003] However, the existing gas sensor still has the following technical problems: the current design of the gas sensor mainly focuses on the development and design of the gas-sensitive material, ignoring the integration development of the gas sensor. In the experiment, the interdigital electrode is often fixed by a clamp, which brings great inconvenience to the application. Therefore, a gland formula electrode slot module for gas sensor is needed to provide a new technical solution to solve the technical problems mentioned in the above patent. CONTENT OF THE UTILITY MODEL

[0004] Therefore, it is necessary to provide a gland formula electrode slot module for gas sensor to solve the above technical problems. The interdigital electrode slot design is convenient for fixing and replacing the gas sensor. The use of the device not only improves the connection method of the gas sensor, but also improves the working time during the replacement of the gas sensor.

[0005] At the same time, the gas sensor signal conversion function can convert the resistance analog signal collected by the gas sensor into a digital signal, which is convenient for data processing of the main control chip.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A gland formula electrode slot module for gas sensor is applied to the quick installation and fixation of the interdigital electrode.

[0008] The gland formula electrode slot module for gas sensor specifically includes a solder mask layer, an electrode fixing structure arranged on the upper end of the solder mask layer, and a locking protection structure arranged on the surface of the electrode fixing structure.

[0009] The electrode fixing structure comprises a bottom plate fixedly connected to the top surface of the solder resist layer, a electrode pressing sheet fixedly connected to the middle part of the bottom plate, a terminal fixedly connected to the top surface of the solder resist layer, a pin fixedly connected to the middle part of the terminal, a plug inserted into the terminal, and a interdigital electrode inserted into the bottom plate.

[0010] As a preferred embodiment of the gland type electrode clamping groove module for the gas sensor provided by the utility model, the electrode pressing sheet and the pin are made of copper, one end of the electrode pressing sheet away from the pin is arranged in the interior of the bottom plate, and the electrode pressing sheet itself has a certain elasticity.

[0011] As a preferred embodiment of the gland type electrode clamping groove module for the gas sensor provided by the utility model, the bottom plate is provided with plug-in sliding grooves on both sides, and the bottom plate is fixedly connected with a first positioning block and a second positioning block on both sides respectively.

[0012] As a preferred embodiment of the gland type electrode clamping groove module for the gas sensor provided by the utility model, the bottom plate is provided with a cover plate at the upper end, the cover plate is fixedly connected with an adjusting plug block at the bottom end, the cover plate is fixedly connected with a first plug rod and a second plug rod on both sides respectively, and the first plug rod and the second plug rod are inserted into the bottom part of the first positioning block and the second positioning block respectively.

[0013] As a preferred embodiment of the gland type electrode clamping groove module for the gas sensor provided by the utility model, the surface of the interdigital electrode is fixedly connected with two groups of metal electrodes, the two groups of metal electrodes are arranged in an interlaced manner on the surface of the interdigital electrode, the two groups of metal electrodes are kept at a certain distance from each other, and the two groups of metal electrodes are electrically connected with the two electrode pressing sheets respectively.

[0014] As a preferred embodiment of the gland type electrode clamping groove module for the gas sensor provided by the utility model, the plug sheet mounted in the interior of the bottom plate comprises the interdigital electrode but is not limited to the installation of other sensors.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The gland type electrode clamping groove module for the gas sensor provided by the utility model adopts the interdigital electrode clamping groove type design, is convenient for fixing and replacing the gas sensor, the use of the device can not only improve the connection mode of the gas sensor, but also can improve the working time during replacement of the gas sensor.

[0017] Meanwhile, the signal conversion function of the gas sensor can convert the resistance analog signal collected by the gas sensor into a digital signal, which is convenient for data processing of the main control chip. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to make the scheme in the utility model clearer, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor.

[0019] Figure 1 The overall structural schematic diagram of the gland type electrode clamping groove module for the gas sensor is provided in the utility model.

[0020] Figure 2 The structural schematic diagram of the electrode fixing structure and the locking protection structure of the gland type electrode clamping groove module for the gas sensor is provided in the utility model.

[0021] Figure 3 The structural schematic diagram of the electrode fixing structure of the gland type electrode clamping groove module for the gas sensor is provided in the utility model.

[0022] Figure 4 The structural schematic diagram of the locking protection structure of the gland type electrode clamping groove module for the gas sensor is provided in the utility model.

[0023] Figure 5 The structural schematic diagram of the interdigital electrode of the gland type electrode clamping groove module for the gas sensor is provided in the utility model.

[0024] The marking in the drawing is as follows:

[0025] 1, solder resist layer; 2, electrode fixing structure; 3, locking protection structure; 4, bottom plate; 5, electrode pressing sheet; 6, terminal; 7, insertion pin; 8, plug; 9, plug-in sliding groove; 10, first positioning block; 11, second positioning block; 12, cover plate; 13, adjusting plug block; 14, first insertion rod; 15, second insertion rod; 16, interdigital electrode; 17, metal electrode. DETAILED DESCRIPTION

[0026] In order to make the scheme in the utility model clearer, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor.

[0027] As described in the background, the current gas sensor design mainly focuses on the development and design of gas sensitive materials, ignoring the integrated development of gas sensors. In the experiment, the clamp method is often used to fix the interdigital electrode, which brings great inconvenience to the application.

[0028] In order to solve this technical problem, the utility model provides a gland formula electrode clamping groove module for gas sensor, it applies to the quick installation and fixation of interdigital electrode.

[0029] Specifically, please refer to Figures 1-3 The gland formula electrode clamping groove module for gas sensor specifically includes solder resist layer 1, characterized in that: it also includes electrode fixing structure 2 arranged on the upper end of the solder resist layer 1, and locking protection structure 3 arranged on the surface of the electrode fixing structure 2.

[0030] The electrode fixing structure 2 includes bottom plate 4 fixedly connected to the top surface of the solder resist layer 1, electrode pressing sheet 5 fixedly connected to the middle part of the bottom plate 4, terminal 6 fixedly connected to the top surface of the solder resist layer 1, pin 7 fixedly connected to the middle part of the terminal 6, plug 8 plug-in connected to the inside of the terminal 6, electrode pressing sheet 5 electrically connected through pin 7 and plug 8, and interdigital electrode 16 plug-in connected to the inside of the bottom plate 4.

[0031] The gland formula electrode clamping groove module for gas sensor provided by the utility model adopts interdigital electrode 16 clamping groove type design, is convenient for fixing and replacing gas sensor, and use of the device not only can improve the connection mode of the gas sensor, but also can improve working time in replacement of the gas sensor.

[0032] Meanwhile, the signal conversion function of the gas sensor can convert the resistance analog signal collected by the gas sensor into a digital signal, which is convenient for data processing of the main control chip.

[0033] In order to enable personnel in the technical field to better understand the utility model scheme, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings.

[0034] Please refer to Figures 1-5 The gland formula electrode clamping groove module for gas sensor includes solder resist layer 1, characterized in that: it also includes electrode fixing structure 2 arranged on the upper end of the solder resist layer 1, and locking protection structure 3 arranged on the surface of the electrode fixing structure 2.

[0035] The electrode fixing structure 2 includes bottom plate 4 fixedly connected to the top surface of the solder resist layer 1, electrode pressing sheet 5 fixedly connected to the middle part of the bottom plate 4, terminal 6 fixedly connected to the top surface of the solder resist layer 1, pin 7 fixedly connected to the middle part of the terminal 6, plug 8 plug-in connected to the inside of the terminal 6, electrode pressing sheet 5 electrically connected through pin 7 and plug 8, and interdigital electrode 16 plug-in connected to the inside of the bottom plate 4.

[0036] Specifically, the electrode pressing sheet 5 and the pin 7 are made of copper, the electrode pressing sheet 5 is arranged in the inside of the bottom plate 4 away from the pin 7, and the electrode pressing sheet 5 itself has a certain elasticity.

[0037] Specifically, the bottom plate 4 is provided with a plug-in sliding groove 9 on both sides, and the bottom plate 4 is fixedly connected with a first positioning block 10 and a second positioning block 11 on both sides respectively.

[0038] Specifically, the surface of the interdigital electrode 16 is fixedly connected with two groups of metal electrodes 17, the two groups of metal electrodes 17 are arranged in an interlaced manner on the surface of the interdigital electrode 16 and are kept a certain distance from each other, and the two groups of metal electrodes 17 are electrically connected with the two electrode pressing sheets 5 respectively.

[0039] Specifically, the bottom plate 4 is provided with a cover plate 12 at the upper end, the cover plate 12 is fixedly connected with an adjusting plug block 13 at the bottom end, and the cover plate 12 is fixedly connected with a first plug rod 14 and a second plug rod 15 on both sides, and the first plug rod 14 and the second plug rod 15 are respectively inserted into the bottom of the first positioning block 10 and the second positioning block 11.

[0040] Through the above structure design, the interdigital electrode 16 is placed on the boss on the top surface of the solder resist layer 1, and the boss slides into the inside of the bottom plate 4, and the interdigital electrode 16 reaches the accurate installation position under the limiting action of the boss on the bottom plate 4, wherein the metal electrodes 17 at both ends of the interdigital electrode 16 are in contact with the electrode pressing sheets 5 on the bottom plate 4, and then the cover plate 12 is pressed down, the protruding structure on the cover plate 12 is pressed on the surface of the metal electrode 17 on the bottom plate 4, so that the metal electrode 17 is in closer contact with the metal electrode 17 at both ends of the interdigital electrode 16. The uncovered area provides sufficient reaction space for the gas-sensitive material and the target gas to realize the collection of the resistance signal. Then, the cover plate 12 is opened again, and the interdigital electrode 16 is slid out to realize the function of replacing the gas sensor. Finally, the collected resistance signal is led out through the lead-out wire on the plug 8 through the terminal 6 and the plug 8. The whole collection board can be installed in the mainboard through the fixing hole, and the main control chip is effectively connected with the left side welding hole through the corresponding pin to realize the signal collection of the gas sensor.

Claims

1. A grommet electrode card slot module for a gas sensor comprising a solder resist layer (1) characterised in that; Also include the electrode fixed structure (2) set in the solder resist layer (1) upper end, and the locking protection structure (3) set in the electrode fixed structure (2) surface; The electrode fixed structure (2) includes a bottom plate (4) fixedly connected to the top surface of the solder resist layer (1), a middle portion of the bottom plate (4) is fixedly connected with an electrode pressing sheet (5), a top surface of the solder resist layer (1) is fixedly connected with a terminal (6), a middle portion of the terminal (6) is fixedly connected with a pin (7), an inside of the terminal (6) is plug-in connected with a plug (8), the electrode pressing sheet (5) is electrically connected through the pin (7) and the plug (8), an inside of the bottom plate (4) is plug-in connected with a interdigital electrode (16).

2. The gland electrode card slot module for a gas sensor according to claim 1, characterized by, The electrode pressing sheet (5) and the pin (7) are made of copper, an end of the electrode pressing sheet (5) away from the pin (7) is arranged in the inside of the bottom plate (4), and the electrode pressing sheet (5) itself has a certain elasticity.

3. The gland electrode card slot module for a gas sensor according to claim 2, characterized by, Both sides of the bottom plate (4) are provided with plug-in sliding grooves (9), both sides of the bottom plate (4) are respectively fixedly connected with a first positioning block (10) and a second positioning block (11).

4. The gland electrode card slot module for a gas sensor according to claim 3, characterized by, An upper end of the bottom plate (4) is provided with a cover plate (12), a bottom end of the cover plate (12) is fixedly connected with an adjusting plug block (13), both sides of the cover plate (12) are fixedly connected with a first plug rod (14) and a second plug rod (15), the first plug rod (14) and the second plug rod (15) are respectively plug-in connected to the bottom of the first positioning block (10) and the second positioning block (11).

5. The gland electrode card slot module for a gas sensor according to claim 4, characterized by, A surface of the interdigital electrode (16) is fixedly connected with two groups of metal electrodes (17), two groups of the metal electrodes (17) are staggered plug-in arranged on the surface of the interdigital electrode (16) and the two groups of the metal electrodes (17) are kept a certain distance from each other, and the two groups of the metal electrodes (17) are respectively electrically connected with the two electrode pressing sheets (5).

6. The gland electrode card slot module for a gas sensor according to claim 5, characterized by, The plug-in sheet installed in the inside of the bottom plate (4) includes the interdigital electrode (16).

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