CN110702935A - High-sensitivity sensor - Google Patents
High-sensitivity sensor Download PDFInfo
- Publication number
- CN110702935A CN110702935A CN201911004713.4A CN201911004713A CN110702935A CN 110702935 A CN110702935 A CN 110702935A CN 201911004713 A CN201911004713 A CN 201911004713A CN 110702935 A CN110702935 A CN 110702935A
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- Prior art keywords
- shell
- fastening bolt
- copper
- base
- block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 64
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 64
- 238000007789 sealing Methods 0.000 claims abstract description 55
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229910052802 copper Inorganic materials 0.000 claims abstract description 43
- 239000010949 copper Substances 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 230000017525 heat dissipation Effects 0.000 claims abstract description 22
- 239000004411 aluminium Substances 0.000 claims description 22
- 230000035945 sensitivity Effects 0.000 claims description 16
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
- G01P1/02—Housings
- G01P1/023—Housings for acceleration measuring devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
- G01P15/09—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by piezoelectric pick-up
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention discloses a high-sensitivity sensor which comprises a base, a heat dissipation mechanism and a sealing mechanism, wherein the heat dissipation mechanism is positioned on the base and comprises a shell, the shell is positioned above the base, a second fastening bolt penetrates through one side of an aluminum plate, the end part of the second fastening bolt is positioned in the side of the shell, and an aluminum block is arranged on the side of the aluminum plate; the sensor is provided with the heat dissipation mechanism, the vertical section of the copper block is designed to be of a trapezoidal structure, so that the area for absorbing heat inside the sensor is increased, the vertical section of the aluminum block is designed to be of a semicircular structure, so that the contact area of the aluminum block and air is increased, and the heat dissipation speed is increased.
Description
Technical Field
The invention belongs to the technical field of sensors, and particularly relates to a high-sensitivity sensor.
Background
The sensor is a detection device which can sense the measured information and convert the sensed information into an electric signal or other information in a required form according to a certain rule to output so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like.
Although the arrangement of the protective cover structure is favorable for preventing the residue in the pipeline from influencing the data detected by the thermal flow sensor, the arrangement of the display control screen structure is favorable for more conveniently checking the data detected by the thermal flow sensor and more conveniently operating the thermal flow sensor, the arrangement of the protective cover structure is favorable for more conveniently preventing the first thread head or the detection rod from being stained with dust or other substances, but the heat dissipation and the sealing performance are poor, so that the sensitivity of the sensor is easily influenced, and the measurement accuracy is easily influenced, therefore, the invention with the publication number of CN206847700U provides the high-sensitivity sensor.
Disclosure of Invention
The present invention is directed to a sensor with high sensitivity to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high sensitivity's sensor, includes base, heat dissipation mechanism and sealing mechanism, heat dissipation mechanism is located the base, heat dissipation mechanism includes the shell, the shell is located the top of base, and the inner wall of shell is provided with the copper to one side of copper runs through there is first fastening bolt, and first fastening bolt's tip is located the inside of shell avris moreover, the avris of copper is fixed with the copper billet, and the opposite side of copper is fixed with the aluminium pole to the tip of aluminium pole runs through the inside that the avris in the shell is located aluminum plate, one side of aluminum plate runs through there is second fastening bolt, and the tip of second fastening bolt is located the inside of shell avris, and aluminum plate's avris is provided with the aluminium billet.
Preferably, sealing mechanism is located the base, sealing mechanism includes the second sealing member, the top of base is laid to the second sealing member, and the top of second sealing member is provided with first sealing member to first sealing member is laid in the bottom of shell, the third fastening bolt has been run through to one side of shell bottom, and the lower extreme of third fastening bolt is located the inside of base.
Preferably, a piezoelectric element is arranged at the center of the top of the base and located inside the housing, a mass block is arranged at the top of the piezoelectric element, a pre-pressing spring is arranged above the mass block, a pre-pressing plate is arranged above the pre-pressing spring, fourth fastening bolts penetrate through the pre-pressing plate, the pre-pressing spring, the mass block and the piezoelectric element, and the lower end of each fourth fastening bolt is located inside the base.
Preferably, the vertical section of the copper block is designed to be a trapezoidal structure, and the copper blocks are distributed on the copper plate at equal intervals.
Preferably, the first fastening bolt and the copper plate are in through connection, and the first fastening bolt and the shell are in threaded connection.
Preferably, the aluminum rod is provided with a plurality of, and aluminum rod and shell are through connection to aluminum rod and aluminum plate are the block connection.
Preferably, the vertical section of the aluminum block is designed to be of a semicircular structure, and the aluminum block and the aluminum plate are distributed at equal intervals.
Preferably, the vertical section of the first sealing element and the vertical section of the second sealing element are both designed to be in a sawtooth structure, and the first sealing element and the second sealing element are connected in a clamping manner.
Compared with the prior art, the invention has the beneficial effects that:
1. be provided with heat dissipation mechanism, and the vertical section design of copper billet is trapezium structure, thereby increased the inside thermal area of absorption sensor, and the vertical section design of aluminium billet is semi-circular structure, thereby the area of aluminium billet with the air contact has been increased, thereby increase radiating speed, because the endotherm of copper billet is fast, the heat dissipation is slow, and the aluminium billet endotherm is slow, it is fast to dispel the heat, consequently, the characteristic of copper and aluminium has been combined, radiating speed has been increased, thereby guaranteed that the sensor can not be because of the high temperature, lead to the problem of sensitivity decline.
2. Be provided with sealing mechanism, and the vertical section of first sealing member and second sealing member all designs for serration structure, and first sealing member and second sealing member are connected for the block, have increased area of contact between first sealing member and the second sealing member to increased the seal between base and the shell, reduced the entering of dust, thereby promoted the sensitivity of sensor.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the structure at B in FIG. 1 according to the present invention;
FIG. 4 is a schematic perspective view of the aluminum plate shown in FIG. 1 according to the present invention;
FIG. 5 is a schematic perspective view of the copper plate of FIG. 1 according to the present invention;
in the figure: 1. a base; 2. a housing; 3. a copper plate; 4. a first fastening bolt; 5. a copper block; 6. an aluminum rod; 7. an aluminum plate; 8. a second fastening bolt; 9. a first seal member; 10. a second seal member; 11. a third fastening bolt; 12. a piezoelectric element; 13. a mass block; 14. pre-pressing a spring; 15. pre-pressing a plate; 16. a fourth fastening bolt; 17. and (7) an aluminum block.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides the following technical solutions: a high-sensitivity sensor comprises a base 1, a heat dissipation mechanism and a sealing mechanism, wherein the heat dissipation mechanism is positioned on the base 1 and comprises a shell 2, the shell 2 is positioned above the base 1, the inner wall of the shell 2 is provided with a copper plate 3, a first fastening bolt 4 penetrates through one side of the copper plate 3, the end part of the first fastening bolt 4 is positioned inside the side of the shell 2, a copper block 5 is fixed on the side of the copper plate 3, an aluminum rod 6 is fixed on the other side of the copper plate 3, the end part of the aluminum rod 6 penetrates through the side of the shell 2 and is positioned inside an aluminum plate 7, a second fastening bolt 8 penetrates through one side of the aluminum plate 7, the end part of the second fastening bolt 8 is positioned inside the side of the shell 2, the side of the aluminum plate 7 is provided with an aluminum block 17, the heat dissipation mechanism is arranged, the vertical section of the copper block 5 is designed into a trapezoidal structure, and the area for absorbing heat inside the, and the vertical section design of aluminium pig 17 is semi-circular structure to increased the area of aluminium pig 17 with the air contact, thereby increased radiating speed, because the heat absorption of copper pig 5 is fast, the heat dissipation is slow, and aluminium pig 17 heat absorption is slow, and the heat dissipation is fast, has consequently combined the characteristic of copper and aluminium, has increased radiating speed, thereby has guaranteed that the sensor can not lead to the problem of sensitivity decline because of the high temperature.
In the embodiment, preferably, the sealing mechanism is located on the base 1, the sealing mechanism comprises a second sealing member 10, the second sealing member 10 is laid on the top of the base 1, the first sealing member 9 is arranged above the second sealing member 10, the first sealing member 9 is laid on the bottom of the housing 2, a third fastening bolt 11 penetrates through one side of the bottom of the housing 2, the lower end of the third fastening bolt 11 is located inside the base 1, a piezoelectric element 12 is arranged at the center of the top of the base 1, the piezoelectric element 12 is located inside the housing 2, a mass 13 is disposed on the top of the piezoelectric element 12, a pre-pressing spring 14 is disposed above the mass 13, a pre-pressing plate 15 is disposed above the pre-pressing spring 14, fourth fastening bolts 16 penetrate through the pre-pressing plate 15, the pre-pressing spring 14, the mass 13, and the piezoelectric element 12, and the lower ends of the fourth fastening bolts 16 are located inside the base 1.
The area for absorbing the heat inside the sensor is increased, and in the embodiment, preferably, the vertical section of the copper block 5 is designed to be a trapezoid structure, and the copper blocks 5 are distributed on the copper plate 3 at equal intervals.
So that the copper plate 3 can be fixed inside the housing 2 and so that the copper plate 3 can be detached, in this embodiment, preferably, the first fastening bolt 4 is in through connection with the copper plate 3 and the first fastening bolt 4 is in threaded connection with the housing 2.
Increased heat conduction's route to radiating effect has been increased, and the outer wall of aluminium pole 6 is provided with the one deck sealing member, thereby has promoted the leakproofness between aluminium pole 6 and the shell 2, this embodiment, preferred, aluminium pole 6 is provided with a plurality ofly, and aluminium pole 6 is through connection with shell 2, and aluminium pole 6 is connected for the block with aluminum plate 7.
The contact area of the aluminum block 17 and the air is increased, so that the heat dissipation speed is increased, in the embodiment, the vertical section of the aluminum block 17 is preferably designed to be in a semicircular structure, and the aluminum block 17 and the aluminum plate 7 are distributed at equal intervals.
The contact area between the first sealing element 9 and the second sealing element 10 is increased, so that the tightness between the base 1 and the housing 2 is increased, in the present embodiment, preferably, the vertical sections of the first sealing element 9 and the second sealing element 10 are designed to be saw-toothed structures, and the first sealing element 9 and the second sealing element 10 are in snap connection.
The working principle and the using process of the invention are as follows: when the device is used, the copper block 5 and the copper plate 3 absorb heat generated by the sensor, then the heat is conducted to the aluminum plate 7 and the aluminum block 17 through the aluminum rod 6, thereby discharging the heat generated by the sensor, and the copper block 5 has fast heat absorption and slow heat dissipation, and the aluminum block 17 has slow heat absorption and fast heat dissipation, thereby combining the characteristics of copper and aluminum, increasing the heat dissipation speed, thereby ensuring that the sensor does not cause the problem of sensitivity reduction due to overhigh temperature, and is provided with a sealing mechanism, the vertical sections of the first sealing element 9 and the second sealing element 10 are designed to be saw-toothed structures, the first sealing element 9 and the second sealing element 10 are in clamping connection, the contact area between the first sealing element 9 and the second sealing element 10 is increased, thereby increasing the tightness between the base 1 and the housing 2 and reducing the entrance of dust, thereby improving the sensitivity of the sensor.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a sensor of high sensitivity, includes base (1), heat dissipation mechanism and sealing mechanism, its characterized in that: heat dissipation mechanism is located base (1), heat dissipation mechanism includes shell (2), shell (2) are located the top of base (1), and the inner wall of shell (2) is provided with copper (3), and one side of copper (3) runs through there is first fastening bolt (4), and the tip of first fastening bolt (4) is located the inside of shell (2) avris moreover, the avris of copper (3) is fixed with copper billet (5), and the opposite side of copper (3) is fixed with aluminium pole (6), and the inside that the avris that runs through in shell (2) in the tip of aluminium pole (6) is located aluminum plate (7), one side of aluminum plate (7) runs through there is second fastening bolt (8), and the tip of second fastening bolt (8) is located the inside of shell (2) avris to the avris of aluminum plate (7) is provided with aluminium billet (17).
2. A high sensitivity sensor as claimed in claim 1, wherein: sealing mechanism is located base (1), sealing mechanism includes second sealing member (10), the top of base (1) is laid in second sealing member (10), and the top of second sealing member (10) is provided with first sealing member (9) to the bottom of shell (2) is laid in first sealing member (9), third fastening bolt (11) have been run through to one side of shell (2) bottom, and the lower extreme of third fastening bolt (11) is located the inside of base (1).
3. A high sensitivity sensor as claimed in claim 1, wherein: the piezoelectric element (12) is arranged at the center of the top of the base (1), the piezoelectric element (12) is located inside the shell (2), the mass block (13) is arranged at the top of the piezoelectric element (12), the pre-pressing spring (14) is arranged above the mass block (13), the pre-pressing plate (15) is arranged above the pre-pressing spring (14), the fourth fastening bolt (16) penetrates through the interior of the pre-pressing plate (15), the pre-pressing spring (14), the mass block (13) and the piezoelectric element (12), and the lower end of the fourth fastening bolt (16) is located inside the base (1).
4. A high sensitivity sensor as claimed in claim 1, wherein: the vertical section of the copper block (5) is designed to be a trapezoid structure, and the copper blocks (5) are distributed on the copper plate (3) at equal intervals.
5. A high sensitivity sensor as claimed in claim 1, wherein: the first fastening bolt (4) and the copper plate (3) are in through connection, and the first fastening bolt (4) and the shell (2) are in threaded connection.
6. A high sensitivity sensor as claimed in claim 1, wherein: aluminium pole (6) are provided with a plurality ofly, and aluminium pole (6) are through connection with shell (2) to aluminium pole (6) are connected for the block with aluminum plate (7).
7. A high sensitivity sensor as claimed in claim 1, wherein: the vertical section of the aluminum block (17) is designed to be of a semicircular structure, and the aluminum block (17) and the aluminum plate (7) are distributed at equal intervals.
8. A high sensitivity sensor according to claim 2, wherein: the vertical section of the first sealing element (9) and the vertical section of the second sealing element (10) are both designed to be of a saw-toothed structure, and the first sealing element (9) and the second sealing element (10) are connected in a clamping mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911004713.4A CN110702935A (en) | 2019-10-17 | 2019-10-17 | High-sensitivity sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911004713.4A CN110702935A (en) | 2019-10-17 | 2019-10-17 | High-sensitivity sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110702935A true CN110702935A (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911004713.4A Pending CN110702935A (en) | 2019-10-17 | 2019-10-17 | High-sensitivity sensor |
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| CN (1) | CN110702935A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114166364A (en) * | 2021-12-24 | 2022-03-11 | 杭州浅海科技有限责任公司 | A fast-response temperature sensor package structure for ocean observation |
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| TW448552B (en) * | 2000-04-29 | 2001-08-01 | Pixart Imaging Inc | Sensor package capable of improving the heat dissipation method |
| CN101082630A (en) * | 2007-07-09 | 2007-12-05 | 北京信息工程学院 | Novel piezoelectric quartz accelerameter |
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| CN204945164U (en) * | 2015-08-24 | 2016-01-06 | 深圳市惠贻华普电子有限公司 | A kind of piezoelectric acceleration transducer |
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-
2019
- 2019-10-17 CN CN201911004713.4A patent/CN110702935A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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Application publication date: 20200117 |