CN214539360U - MEMS gas sensor for monitoring air quality of automobile - Google Patents
MEMS gas sensor for monitoring air quality of automobile Download PDFInfo
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- CN214539360U CN214539360U CN202120142234.5U CN202120142234U CN214539360U CN 214539360 U CN214539360 U CN 214539360U CN 202120142234 U CN202120142234 U CN 202120142234U CN 214539360 U CN214539360 U CN 214539360U
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Abstract
The utility model discloses a MEMS gas sensor for monitoring air quality of an automobile, which comprises a sensor body and a substrate, wherein a ventilation groove is formed at the bottom of the substrate, a fastening bolt is arranged on the surface of the substrate, the sensor body is arranged at the inner side of the substrate, pins are arranged at both sides of the bottom end of the sensor body, a pin groove is formed at the inner side of the substrate, a cross-shaped support frame is arranged at the inner side of the pin groove, a through hole is formed in the surface of the cross-shaped support frame, a metal lead is arranged at one side of the through hole, an installation fastener is arranged on the inner wall of the through hole, a clamp spring is sleeved at the outer side of the installation fastener, and a rubber pad is arranged at the outer side of the clamp spring; the utility model has the advantages of be convenient for carry on dismouting, stability is higher, conveniently dispel the heat, improve life, convenient to popularize and use.
Description
Technical Field
The utility model belongs to the technical field of the sensor technique and specifically relates to a car is MEMS gas sensor for air quality monitoring.
Background
MEMS sensors, i.e. Micro Electro Mechanical Systems (MEMS), are developed on the basis of microelectronic technology, are the leading-edge research fields of multidisciplinary intersection, through more than forty years of development, have become one of the major scientific and technological fields of world attention, it relates to many disciplines and technologies such as electron, machinery, material, physics, chemistry, biology, medicine, etc., it has broad application prospects, MEMS sensor is a new sensor made out by adopting microelectronic and micromechanical processing technology, compared with traditional sensor, it has small, light, with low costs, with low consumption, the reliability is high, suitable for the mass production, easy to integrate and realize the characteristic of intellectualization;
the existing MEMS gas sensor is mainly fixedly installed by tin soldering or supporting legs, and is easily influenced by factors such as humidity and temperature in air after long-term use, corrosion occurs in different degrees, so that the MEMS is not firmly fixed, the accuracy of a monitoring result is influenced, and long-term use requirements cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a have be convenient for carry on dismouting, stability higher, conveniently dispel the heat, improve life, the MEMS gas sensor for monitoring of automobile air quality who facilitates promotion use, solved the problem among the prior art.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: an MEMS gas sensor for monitoring air quality of an automobile comprises a sensor body and a substrate, wherein a ventilation groove is formed in the bottom of the substrate, a fastening bolt is arranged on the surface of the substrate, the sensor body is arranged on the inner side of the substrate, and pins are arranged on two sides of the bottom end of the sensor body;
the mounting hole has been seted up to base plate surface four corners position, the lead groove has been seted up to the base plate inboard, lead inslot side is provided with the cross support frame, the through-hole has been seted up on cross support frame surface, through-hole one side is provided with the metal lead wire, the through-hole inner wall is provided with the installation fastener, installation fastener outside cover is equipped with the jump ring, the jump ring outside is provided with the rubber pad.
The utility model discloses further set up to: the sensor body is matched and mounted with the substrate, and the pins are matched with the pin grooves.
By adopting the technical scheme, the sensor is prevented from being fixed in a conventional soldering mode, the problem of looseness caused by corrosion in long-term use is effectively avoided, and the service life of the sensor is prolonged.
The utility model discloses further set up to: the ventilation groove is formed in the bottom of the base plate and is formed in a cross mode.
Through adopting above-mentioned technical scheme, the radiating purpose of effectual sensor high temperature operation of solving through the crisscross ventilation groove, improves the air heat dissipation velocity of flow, avoids sensor high temperature operation, improves the device's use accuracy.
The utility model discloses further set up to: the four groups of fastening bolts are arranged, the fastening bolts are uniformly distributed at the four corners of the base plate, and the fastening bolts are mutually screwed and connected with the mounting holes.
Through adopting above-mentioned technical scheme, improve the stability of base plate installation, prevent that the device from taking place to become flexible in the use, improve sensor body monitoring accuracy
The utility model discloses further set up to: the installation fastener is in sleeved clamping connection with the through hole, and the installation fastener is inconsistent with the clamp spring.
Through adopting above-mentioned technical scheme, through the cooperation between installation fastener and the jump ring, improved the convenient degree of installation between sensor body and the base plate, improved good practical function.
The utility model discloses further set up to: one end of the rubber pad is tightly abutted to the sensor body, the other end of the rubber pad is tightly abutted to the substrate, and the rubber pad and the mounting clamping piece are mutually assembled in a sleeved mode.
Through adopting above-mentioned technical scheme for keep apart the vibrations that produce and absorb the impact, play the guard action to the sensor body, prevent that the sensor body from receiving violent vibrations and losing sensitivity.
To sum up, the utility model discloses a beneficial technological effect does:
1. when the MEMS gas sensor for monitoring the air quality of the automobile is used, structurally, a sensor body is clamped on the surface of a cross-shaped support frame, pins and pin grooves are matched with each other for buckling, and an installation clamping piece penetrates through a through hole to abut against a clamp spring, so that the convenience degree of installation between the sensor body and a substrate is improved;
2. structurally, the substrate is arranged at an automobile monitoring position, passes through the mounting hole through the fastening bolt, is fixedly mounted in a screwing connection mode, and is electrically connected with the sensor body through the metal lead, so that the corrosion problem caused by a conventional tin soldering fixing mode is effectively avoided, and the service life and the use precision of the device are prolonged;
3. structurally, keep apart the vibrations that produce and absorb the impact through the rubber pad, play the guard action to the sensor body, prevent that the sensor body from receiving violent vibrations and losing sensitivity.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an MEMS gas sensor for monitoring air quality of an automobile according to the present invention;
fig. 2 is a schematic structural diagram of a substrate of an MEMS gas sensor for monitoring air quality of an automobile according to the present invention;
FIG. 3 is a schematic diagram of the basic bottom structure of the MEMS gas sensor for monitoring air quality of a vehicle according to the present invention;
FIG. 4 is a schematic cross-sectional structural view of an MEMS gas sensor for monitoring air quality of a vehicle according to the present invention;
fig. 5 is an enlarged schematic structural diagram of a point a of the MEMS gas sensor for monitoring air quality of an automobile according to the present invention;
fig. 6 is a schematic view of the mounting structure of the MEMS gas sensor for monitoring air quality of an automobile.
In the figure, 1, a sensor body; 2. a substrate; 3. a ventilation slot; 4. fastening a bolt; 5. a pin; 6. a lead groove; 7. mounting holes; 8. a cross support frame; 9. a through hole; 10. a metal lead; 11. installing a clamping piece; 12. a clamp spring; 13. and (7) a rubber pad.
Detailed Description
The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1, 2 and 6, the MEMS gas sensor for monitoring air quality of an automobile disclosed by the present invention comprises a sensor body 1 and a substrate 2, wherein the sensor body 1 is arranged inside the substrate 2, pins 5 are arranged on both sides of the bottom end of the sensor body 1, a pin groove 6 is arranged inside the substrate 2, a cross support frame 8 is arranged inside the pin groove 6, a through hole 9 is arranged on the surface of the cross support frame 8, a metal lead 10 is arranged on one side of the through hole 9, an installation clamping member 11 is arranged on the inner wall of the through hole 9, and a clamp spring 12 is sleeved outside the installation clamping member 11;
in this embodiment, in the use, at first assemble sensor body 1 on the surface of cross support frame 8, pin 5 closely laminates in pin groove 6, pass through-hole 9 from the bottom of base plate 2 through installation fastener 11, make installation fastener 11 closely offset with jump ring 12, carry out fixed mounting with sensor body 1 and base plate 2, carry out electric connection with sensor body 1 through metal lead 10, guarantee sensor body 1's normal use, in practical application, also can change the arrangement mode and the quantity of arranging of installation fastener 11 and jump ring 12 according to actual need, do not specifically limit here.
As shown in fig. 1, 3 and 5, fastening bolts 4 are arranged on the surface of a substrate 2, mounting holes 7 are arranged at four corners of the surface of the substrate 2, a ventilation groove 3 is arranged at the bottom of the substrate 2, a rubber pad 13 is arranged outside a clamp spring 12, and a sensor body 1 is arranged inside the substrate 2;
in this embodiment, in the use, install base plate 2 in the automobile monitoring position, pass mounting hole 7 through fastening bolt 4, carry out fixed mounting through closing the connected mode soon, the effectual corrosion problems who brings of conventional soldering tin fixed mode of having avoided, in the use, the ventilation groove 3 through the cross dispels the heat to sensor body 1, avoid the high temperature operation of sensor body 1, the life and the service precision of the device have been prolonged, through the vibrations and the absorption impact of rubber pad 13 isolation production, play the guard action to sensor body 1, prevent that sensor body 1 from receiving violent vibrations and losing sensitivity.
Referring to fig. 1, the sensor body 1 and the substrate 2 are mutually matched and mounted, and the pins 5 and the pin grooves 6 are mutually matched, so that the conventional sensor is prevented from being fixed in a soldering mode, the problem that the sensor is corroded to cause looseness in long-term use is effectively avoided, and the service life of the sensor is prolonged.
Referring to fig. 3, ventilation groove 3 is seted up in the bottom of base plate 2, and ventilation groove 3 is the cross and sets up, and the radiating purpose of sensor high temperature operation of effectual solution through the cross ventilation groove 3, improves the air heat dissipation velocity of flow, avoids sensor high temperature operation, improves the device's use accuracy.
Referring to fig. 1, four groups of fastening bolts 4 are arranged, the fastening bolts 4 are uniformly distributed at four corners of the substrate 2, the fastening bolts 4 are rotatably connected with the mounting holes 7, the mounting stability of the substrate 2 is improved, the device is prevented from loosening in the use process, and the monitoring precision of the sensor body 1 is improved
Referring to fig. 5, installation fastener 11 and the mutual suit joint of through-hole 9, and installation fastener 11 is inconsistent with jump ring 12, through the cooperation between installation fastener 11 and the jump ring 12, has improved the convenient degree of installation between sensor body 1 and the base plate 2, has improved good practical function.
Referring to fig. 5, one end of the rubber pad 13 is tightly abutted to the sensor body 1, the other end of the rubber pad 13 is tightly abutted to the substrate 2, and the rubber pad 13 and the mounting fastener 11 are mutually sleeved and assembled for isolating the generated vibration and absorbing the impact, so as to protect the sensor body 1 and prevent the sensor body 1 from losing sensitivity due to severe vibration.
The implementation principle of the embodiment is as follows:
the utility model relates to a MEMS gas sensor for monitoring air quality of automobile, in the use, at first assemble sensor body 1 on the surface of cross support frame 8, pin 5 closely laminates in pin groove 6, pass through-hole 9 from the bottom of base plate 2 through installation fastener 11, make installation fastener 11 closely offset with jump ring 12, carry out fixed mounting with base plate 2 with sensor body 1, carry out the electric connection with sensor body 1 through metal lead wire 10, guarantee the normal use of sensor body 1, install base plate 2 in the automobile monitoring position, pass through mounting hole 7 through fastening bolt 4, carry out fixed mounting through the closure connected mode soon, the corrosion problem that the conventional soldering tin fixed mode brought is effectively avoided, in the use, dispel the heat to sensor body 1 through criss-cross ventilation slot 3, avoid sensor body 1 high temperature operation, the service life and the use accuracy of the device are prolonged, the vibration and the absorption impact generated by the isolation of the rubber pad 13 play a role in protecting the sensor body 1, and the sensor body 1 is prevented from losing sensitivity due to severe vibration so as to solve the technical problem existing in the prior art.
Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides an automobile is MEMS gas sensor for air quality monitoring, includes sensor body (1) and base plate (2), its characterized in that: the bottom of the base plate (2) is provided with a ventilation groove (3), the surface of the base plate (2) is provided with a fastening bolt (4), the inner side of the base plate (2) is provided with a sensor body (1), and two sides of the bottom end of the sensor body (1) are provided with pins (5);
mounting hole (7) have been seted up to base plate (2) surface four corners position, pin groove (6) have been seted up to base plate (2) inboard, pin groove (6) inboard is provided with cross support frame (8), through-hole (9) have been seted up on cross support frame (8) surface, through-hole (9) one side is provided with metal lead wire (10), through-hole (9) inner wall is provided with installation fastener (11), installation fastener (11) outside cover is equipped with jump ring (12), the jump ring (12) outside is provided with rubber pad (13).
2. The MEMS gas sensor for automobile air quality monitoring according to claim 1, wherein: the sensor body (1) and the substrate (2) are mutually matched and mounted, and the pins (5) are mutually matched with the pin grooves (6).
3. The MEMS gas sensor for automobile air quality monitoring according to claim 1, wherein: the ventilation groove (3) is formed in the bottom of the base plate (2), and the ventilation groove (3) is formed in a cross mode.
4. The MEMS gas sensor for automobile air quality monitoring according to claim 1, wherein: the four groups of fastening bolts (4) are arranged, the fastening bolts (4) are uniformly distributed at the four corners of the substrate (2), and the fastening bolts (4) are connected with the mounting holes (7) in a screwing mode.
5. The MEMS gas sensor for automobile air quality monitoring according to claim 1, wherein: the installation clamping piece (11) is mutually sleeved and clamped with the through hole (9), and the installation clamping piece (11) is abutted to the clamp spring (12).
6. The MEMS gas sensor for automobile air quality monitoring according to claim 1, wherein: one end of the rubber pad (13) is tightly abutted against the sensor body (1), the other end of the rubber pad (13) is tightly abutted against the base plate (2), and the rubber pad (13) and the mounting clamping piece (11) are mutually assembled in a sleeved mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120142234.5U CN214539360U (en) | 2021-01-19 | 2021-01-19 | MEMS gas sensor for monitoring air quality of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120142234.5U CN214539360U (en) | 2021-01-19 | 2021-01-19 | MEMS gas sensor for monitoring air quality of automobile |
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| CN214539360U true CN214539360U (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120142234.5U Active CN214539360U (en) | 2021-01-19 | 2021-01-19 | MEMS gas sensor for monitoring air quality of automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113858920A (en) * | 2021-11-24 | 2021-12-31 | 博耐尔汽车电气系统有限公司 | Sensor mounting structure and mounting method |
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2021
- 2021-01-19 CN CN202120142234.5U patent/CN214539360U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113858920A (en) * | 2021-11-24 | 2021-12-31 | 博耐尔汽车电气系统有限公司 | Sensor mounting structure and mounting method |
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