CN109884141B - Electrochemical sensor's protector based on graphite alkene combined material - Google Patents
Electrochemical sensor's protector based on graphite alkene combined material Download PDFInfo
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- CN109884141B CN109884141B CN201910111753.2A CN201910111753A CN109884141B CN 109884141 B CN109884141 B CN 109884141B CN 201910111753 A CN201910111753 A CN 201910111753A CN 109884141 B CN109884141 B CN 109884141B
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Abstract
The invention discloses a protective device of an electrochemical sensor based on a graphene composite material, which comprises a protective box and a pressure sensor body, wherein two sides of the pressure sensor body are both connected with connectors, one end of each connector is connected with a flange, one end of each flange is connected with a natural gas conveying pipe, a protective cavity is arranged in the protective box, a second opening is arranged at the upper end of the protective cavity, and two sides of the upper end of the protective cavity are both provided with U-shaped openings. The pressure sensor body clamping device not only solves the problem that the pressure sensor body is inconvenient to stably clamp, but also solves the problem that the pressure sensor body is inconvenient to stably install and disassemble, improves the stability of the pressure sensor body, can stably protect, avoids the situation that the stability of the pressure sensor body is poor when a natural gas pipeline is detected to influence the detection data, and improves the installation and disassembly efficiency.
Description
Technical Field
The invention relates to the technical field of electrochemical sensors, in particular to a protective device of an electrochemical sensor based on a graphene composite material.
Background
The earliest electrochemical sensors dates back to the 50 s of the 20 th century, when used for oxygen monitoring. By the mid 80's of the 20 th century, small electrochemical sensors began to be used to detect a wide variety of toxic gases in the PEL range and showed good sensitivity and selectivity. Electrochemical sensors operate by reacting with the gas being measured and producing an electrical signal proportional to the gas concentration. The typical electrochemical sensor consists of a sensing electrode (or working electrode) and a counter electrode, which are separated by a thin electrolyte layer, and at present, for the purpose of protecting personal safety, various electrochemical sensors are widely applied to a plurality of static and mobile application occasions, and particularly, pressure sensors in the electrochemical sensors are widely applied to natural gas pipelines in daily life of people.
The pressure sensor on the natural gas pipeline can sense pressure signals, and can convert the pressure signals into devices or devices of usable output electric signals according to a certain rule, when the pressure sensor is installed, the protection device needs to be installed due to the fact that the pressure sensor is easily influenced by external pressure, but the existing protection device is generally a protection shell installed outside the pressure sensor, the protection shell is inconvenient to install and disassemble, installation and disassembly time is prolonged, the protection shell cannot effectively and stably fix the pressure sensor, the pressure sensor is easily damaged under the impact or extrusion of the external pressure, the service life is shortened, and the use cost is improved.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a protective device of an electrochemical sensor based on a graphene composite material.
In order to achieve the purpose, the invention adopts the following technical scheme:
a protective device of an electrochemical sensor based on graphene composite materials comprises a protective box and a pressure sensor body, the two sides of the pressure sensor body are both connected with connectors, one end of each connector is connected with a flange, one end of the flange is connected with a natural gas conveying pipe, a protection cavity is arranged in the protection box, a second opening is arranged at the upper end of the protection cavity, the two sides of the upper end of the protection cavity are both provided with U-shaped openings, the lower end of the pressure sensor body penetrates through the second opening and the two U-shaped openings and extends into the protection cavity, clamping plates are detachably connected on the opposite side walls in the protection cavity, one ends of the two clamping plates respectively abut against the two sides of the pressure sensor body, the upper end of protection box is equipped with the visor, the lower extreme of visor is equipped with the mounting groove, be equipped with damping device in the mounting groove, damping device's lower extreme and the upper end interconnect of pressure sensor body.
Preferably, the upper end both sides of protection box all are fixed with two picture pegs, the upper end both sides of visor all are equipped with two third openings that correspond with the picture peg, and are a set of with two third openings and two picture pegs of one side, and two picture pegs in the same group run through two third openings in the same group respectively and extend to the upper end of visor, and impartial interval is equipped with a plurality of first through-holes on two picture pegs in the same group, and runs through jointly in two wherein first through-holes in the same group and be equipped with the screw rod, the equal screw thread in both ends of screw rod has cup jointed the nut.
Preferably, both sides of the protection box are provided with a placing groove, one end side wall in the placing groove is provided with a second through hole, one end side wall of the clamping plate is provided with a threaded blind hole corresponding to the second through hole, a screw penetrates through the second through hole, and one end of the screw extends into the threaded blind hole.
Preferably, damping device is including fixing four fixed blocks on an end lateral wall in the mounting groove, the lower extreme of visor is equipped with two clamp plates, all is fixed with two other fixed blocks on two clamp plates, and is a set of with two fixed blocks of one side, overlaps jointly between two fixed blocks in the same group to be equipped with reset spring, and the lower extreme of two clamp plates is contradicted in the upper end of pressure sensor body.
Preferably, the pressure sensor body is composed of a pressure sensitive element and a signal processing unit, and the pressure sensitive element is made of graphene composite materials.
Preferably, a rubber layer is arranged on the side wall of one end of the clamping plate, the lower end of the pressure sensor body abuts against the rubber layer, and a stop block is fixed on one side of the clamping plate.
Preferably, install the display screen on the one end lateral wall of pressure sensor body, be equipped with first opening on the one end lateral wall of protection box, and first opening and display screen correspond each other.
Preferably, the bottom in the protection cavity is fixed with the rubber block, and the lower extreme of pressure sensor body is contradicted in the upper end of rubber block.
Preferably, mounting plates are fixed to two sides of the protection box, and mounting holes are formed in the mounting plates.
Preferably, the protective cover and the protective box are both made of stainless steel.
The invention has the beneficial effects that:
1. through the matching between the two clamping plates and the damping device, the function of stably clamping the pressure sensor body is realized, and the condition that the pressure sensor affects detection data due to poor stability in the process of detecting the pipeline is avoided;
2. through the matching among the screw, the protection box, the protection cover, the screw and the inserting plate, the function of convenient installation and disassembly is realized, and the installation and disassembly efficiency is improved;
in conclusion, the pressure sensor body clamping device not only solves the problem that the pressure sensor body is inconvenient to stably clamp, but also solves the problem that the pressure sensor body is inconvenient to stably install and disassemble, improves the stability of the pressure sensor body, can stably protect, avoids the situation that the stability of the pressure sensor body is poor when a natural gas pipeline is detected to influence the detection data, and improves the installation and disassembly efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a protection device of an electrochemical sensor based on a graphene composite material according to the present invention;
fig. 2 is a schematic structural diagram of a protection box of a protection device of an electrochemical sensor based on graphene composite material according to the present invention;
fig. 3 is a schematic external structural diagram of a protection device of an electrochemical sensor based on graphene composite according to the present invention;
fig. 4 is an enlarged view of a protection device of an electrochemical sensor based on graphene composite according to the present invention at a position a;
fig. 5 is a schematic structural diagram of a pressure sensor body of a protection device of an electrochemical sensor based on graphene composite according to the present invention;
fig. 6 is a schematic structural diagram of a protective device clamping plate of an electrochemical sensor based on graphene composite according to the present invention;
fig. 7 is a top view of a protective cover of an electrochemical sensor based on graphene composite according to the present invention.
In the figure: the rubber block, the placing groove, the clamping plate, the pressure sensor body, the screw rod, the mounting plate, the protection box, the display screen, the mounting plate, the screw bolt, the first opening, the rubber layer, the screw plate, the protection box, the mounting plate, the screw bolt, the first opening, the rubber layer, the first through hole, the 14 inserting plate, the opening, the protection cover, the third opening, the stop block, the pressing plate, the fixing block, the reset spring, the natural gas conveying pipe, the flange, the connector 24, the mounting hole 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-7, a protection device for an electrochemical sensor based on graphene composite material comprises a protection box 7 and a pressure sensor body 4, wherein mounting plates 6 are fixed on both sides of the protection box 7, mounting holes 25 are formed in the mounting plates 6, the position of the protection box 7 is conveniently mounted and fixed by matching bolts with the mounting holes 25, a display screen 8 is mounted on one side wall of the pressure sensor body 4 to conveniently display data, a first opening 11 is formed in one side wall of the protection box 7, the first opening 11 and the display screen 8 correspond to each other, the pressure sensor body 4 is composed of a pressure sensitive element and a signal processing unit, the pressure sensitive element is made of graphene composite material, the graphene has a special structure, the outstanding heat conductivity, mechanical property and electrical property are more and more widely applied, both sides of the pressure sensor body 4 are connected with connectors 24, one end of the connector 24 is connected with a flange 23, one end of the flange 23 is connected with a natural gas conveying pipe 22, the connector 24 and the natural gas conveying pipe 22 are conveniently connected through the flange 23, and gas in the natural gas conveying pipe 22 is conveniently detected through the pressure sensor body 4;
a protection cavity is arranged in the protection box 7, a second opening is arranged at the upper end of the protection cavity, U-shaped openings 15 are arranged on two sides of the upper end of the protection cavity, the lower end of the pressure sensor body 4 penetrates through the second opening and the two U-shaped openings 15 and extends into the protection cavity, clamping plates 3 are detachably connected onto opposite side walls in the protection cavity, the pressure sensor is convenient to mount and dismount, one ends of the two clamping plates 3 respectively abut against two sides of the pressure sensor body 4, the pressure sensor body 4 is conveniently and stably clamped through the clamping plates 3, a rubber layer 12 is arranged on one side wall of one end of each clamping plate 3, the lower end of each pressure sensor body 4 abuts against the rubber layer 12, the pressure sensor body 4 is protected and prevented from being damaged, a stop block 18 is fixed on one side of each clamping plate 3, a protective cover 16 is arranged at the upper end of the protection box 7, the lower extreme of visor 16 is equipped with the mounting groove, is equipped with damping device in the mounting groove 28, and damping device's lower extreme and the upper end interconnect of pressure sensor body 4 have strengthened the protection to pressure sensor body 4 through damping device, have improved the stability of pressure sensor body 4.
According to the invention, two insert plates 14 are fixed on two sides of the upper end of the protection box 7, two third openings 17 corresponding to the insert plates 14 are arranged on two sides of the upper end of the protection cover 16, the two third openings 17 and the two insert plates 14 on the same side form a group, the two insert plates 14 in the same group respectively penetrate through the two third openings 17 in the same group and extend to the upper end of the protection cover 16, a plurality of first through holes 13 are arranged on the two insert plates 14 in the same group at equal intervals, the protection box 7 and the protection cover 16 are conveniently connected under the action of the insert plates 14, a screw rod 5 jointly penetrates through the two first through holes 13 in the same group, nuts 27 are sleeved on two ends of the screw rod 5 in a threaded manner, the protection cover 16 is conveniently installed and fixed under the matching of the screw rod 5 and the nuts 27, and the connectivity between the protection cover 16 and the protection box 7 is improved.
According to the invention, the two sides of the protection box 7 are respectively provided with the placing grooves 2, the side wall of one end in each placing groove 2 is provided with the second through hole 26, the side wall of one end of the clamping plate 3 is provided with the threaded blind hole corresponding to the second through hole 26, the screw 10 penetrates through the second through hole, one end of the screw 10 extends into the threaded blind hole, the clamping plate 3 is conveniently installed and fixed under the action of the screw 10, and the installation and disassembly efficiency is improved.
In the invention, the damping device comprises four fixed blocks 20 fixed on the side wall of one end in the mounting groove 28, two pressing plates 19 are arranged at the lower end of the protective cover 16, two other fixed blocks 20 are fixed on the two pressing plates 19, the two fixed blocks 20 on the same side form a group, and a return spring 21 is sleeved between the two fixed blocks 20 in the same group together, when the protective cover 16 is pressed, the four fixed blocks 20 respectively press the four return springs 21, and automatically reset under the action of the elastic force of the return springs 21, so that the extrusion of external pressure on the pressure sensor body 4 is reduced, and the lower ends of the two pressing plates 19 are abutted against the upper end of the pressure sensor body 4, thereby improving the stability of the pressure sensor body 4 and protecting the pressure sensor body 4.
In the invention, when in use, the nut 27 is rotated to rotate the screw rod 5 out, then the protective cover 16 is pulled out from the four insert plates 14, then the two clamping plates 3 are installed and fixed through the two screws 10, the pressure sensor body 4 is placed in the protective cavity, the display screen 8 on the pressure sensor body 4 corresponds to the first opening 11, two ends of the pressure sensor body 4 respectively abut against the two rubber layers 12, one side of the lower end of the pressure sensor body 4 abuts against the upper end of the rubber block 1, then the protective cover 16 is buckled on the protective box 7, the two insert plates 14 on two sides of the upper end of the protective box 7 respectively penetrate through the four third openings 17 and extend to the upper end of the protective cover 16, then the two screw rods 5 respectively penetrate through the first through holes 13 on the two insert plates 14, then the four nuts 27 are respectively screwed and fixed, when external force is applied to the protective cover 16, the four fixing blocks 20 in the protective cover 16 respectively apply pressure to the four return springs 21, and the impact of the pressing plate 19 on the pressure sensor body 4 is relieved by the elastic force of the return springs 21, so that the stability of the pressure sensor body 4 is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a protector of electrochemical sensor based on graphite alkene combined material, includes protection box (7) and pressure sensor body (4), its characterized in that: the pressure sensor comprises a pressure sensor body (4), wherein two sides of the pressure sensor body (4) are both connected with a connector (24), one end of the connector (24) is connected with a flange (23), one end of the flange (23) is connected with a natural gas conveying pipe (22), a protection cavity is arranged in a protection box (7), the upper end of the protection cavity is provided with a second opening, the two sides of the upper end of the protection cavity are both provided with U-shaped openings (15), the lower end of the pressure sensor body (4) penetrates through the second opening and the two U-shaped openings (15) and extends into the protection cavity, clamping plates (3) can be detachably connected onto opposite side walls in the protection cavity, one ends of the two clamping plates (3) are respectively abutted against two sides of the pressure sensor body (4), a protective cover (16) is arranged at the upper end of the protection box (7), a mounting groove is arranged at the lower end of, the lower end of the damping device is connected with the upper end of the pressure sensor body (4).
2. The graphene composite material-based electrochemical sensor protection device according to claim 1, wherein two insert plates (14) are fixed on two sides of the upper end of the protection box (7), two third openings (17) corresponding to the insert plates (14) are arranged on two sides of the upper end of the protection cover (16), the two third openings (17) and the two insert plates (14) on the same side form a group, the two insert plates (14) in the same group respectively penetrate through the two third openings (17) in the same group and extend to the upper end of the protection cover (16), a plurality of first through holes (13) are arranged on the two insert plates (14) in the same group at equal intervals, a screw rod (5) jointly penetrates through the two first through holes (13) in the same group, and nuts (27) are sleeved on two ends of the screw rod (5) in a threaded manner.
3. The graphene composite material based electrochemical sensor protection device according to claim 1, wherein a placing groove (2) is formed in each of two sides of the protection box (7), a second through hole (26) is formed in one end side wall in the placing groove (2), a threaded blind hole corresponding to the second through hole (26) is formed in one end side wall of the clamping plate (3), a screw (10) is arranged in the second through hole in a penetrating manner, and one end of the screw (10) extends into the threaded blind hole.
4. The electrochemical sensor protection device based on graphene composite material as claimed in claim 1, wherein the damping device comprises four fixing blocks (20) fixed on one end side wall in the installation groove (28), the lower end of the protection cover (16) is provided with two pressing plates (19), the two pressing plates (19) are respectively fixed with two other fixing blocks (20), the two fixing blocks (20) on the same side are in a group, a reset spring (21) is sleeved between the two fixing blocks (20) in the same group, and the lower ends of the two pressing plates (19) abut against the upper end of the pressure sensor body (4).
5. The graphene composite material based electrochemical sensor protection device according to claim 1, wherein the pressure sensor body (4) is composed of a pressure sensitive element and a signal processing unit, and the pressure sensitive element is made of graphene composite material.
6. The graphene composite-based electrochemical sensor protection device according to claim 1, wherein a rubber layer (12) is disposed on a side wall of one end of the clamping plate (3), a lower end of the pressure sensor body (4) abuts against the rubber layer (12), and a stopper (18) is fixed to one side of the clamping plate (3).
7. The graphene composite material based electrochemical sensor protection device according to claim 1, wherein a display screen (8) is installed on a side wall of one end of the pressure sensor body (4), a first opening (11) is formed in a side wall of one end of the protection box (7), and the first opening (11) and the display screen (8) correspond to each other.
8. The graphene composite-based electrochemical sensor protection device according to claim 1, wherein a rubber block (1) is fixed to the bottom of the protection cavity, and the lower end of the pressure sensor body (4) abuts against the upper end of the rubber block (1).
9. The graphene composite-based electrochemical sensor protection device according to claim 1, wherein mounting plates (6) are fixed to two sides of the protection box (7), and mounting holes (25) are formed in the mounting plates (6).
10. The graphene composite-based electrochemical sensor protection device according to claim 1, wherein the protective cover (16) and the protective case (7) are made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910111753.2A CN109884141B (en) | 2019-02-12 | 2019-02-12 | Electrochemical sensor's protector based on graphite alkene combined material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910111753.2A CN109884141B (en) | 2019-02-12 | 2019-02-12 | Electrochemical sensor's protector based on graphite alkene combined material |
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| CN109884141A CN109884141A (en) | 2019-06-14 |
| CN109884141B true CN109884141B (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910111753.2A Active CN109884141B (en) | 2019-02-12 | 2019-02-12 | Electrochemical sensor's protector based on graphite alkene combined material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111189486B (en) * | 2020-02-20 | 2024-05-28 | 江南大学 | Vertical slice structure semiconductor sensor protection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201688941U (en) * | 2010-05-26 | 2010-12-29 | 宇宙电路板设备(深圳)有限公司 | Pressure gauge protective cover |
| US9964460B2 (en) * | 2014-02-24 | 2018-05-08 | Kulite Semiconductor Products, Inc. | Pressure sensor having a front seal |
| CN206905941U (en) * | 2017-06-22 | 2018-01-19 | 张昊萱 | A kind of drop resistant and the instrument shell structure for being easy to maintenance |
| CN207181505U (en) * | 2017-09-05 | 2018-04-03 | 国网甘肃省电力公司检修公司 | A kind of current detection sensor fixing device |
| CN107830874A (en) * | 2017-12-07 | 2018-03-23 | 成都华西天然药物有限公司 | A kind of protector for sensor |
| CN207717283U (en) * | 2018-02-02 | 2018-08-10 | 马鞍山市亿格仪表有限公司 | A kind of pressure gauge with protective device |
| CN109084819A (en) * | 2018-06-20 | 2018-12-25 | 佛山市川东磁电股份有限公司 | A kind of pressure sensor of the removable shield of band |
| CN108592972A (en) * | 2018-06-27 | 2018-09-28 | 合肥佑宁传感科技有限公司 | A kind of sensor fixed blade guard |
| CN208270135U (en) * | 2018-07-02 | 2018-12-21 | 浙江中智检测技术有限公司 | A kind of pressure-detecting device being easily installed |
| CN108896084A (en) * | 2018-08-07 | 2018-11-27 | 合肥云联电子科技有限公司 | A kind of protective device of the humidity self-compensating sensor for steam wetness measurement |
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