CN207816492U - A kind of pressure resistance type ceramics tension sensor - Google Patents
A kind of pressure resistance type ceramics tension sensor Download PDFInfo
- Publication number
- CN207816492U CN207816492U CN201721895988.8U CN201721895988U CN207816492U CN 207816492 U CN207816492 U CN 207816492U CN 201721895988 U CN201721895988 U CN 201721895988U CN 207816492 U CN207816492 U CN 207816492U
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- Prior art keywords
- diaphragm
- branch
- shell
- elastomer
- center
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Abstract
The utility model proposes a kind of pressure resistance type ceramics tension sensors, including:Shell, waterproof cover, ceramic diaphragm, elastomer, shell is cylindrical, lower end closed, upper end opening, ceramic diaphragm is fixedly mounted on shell upper end, elastomer is fixedly mounted inside housings, shell is divided into upper layer and lower layer, ceramic diaphragm is made of center diaphragm and multiple branch's diaphragms, center diaphragm is circle, branch's diaphragm is sector, branch's diaphragm is uniformly distributed circumferentially in the periphery of center diaphragm, center diaphragm and branch's diaphragm are integrally formed, it is fixedly connected by ceramic connecting rod between center diaphragm and elastomer, thick-film resistor piece is installed on each branch diaphragm, the upper end of ceramic diaphragm is equipped with position-limited rack, position limiting clamp is fixedly mounted on housing tip, waterproof cover twist-on is in housing tip, through-hole there are two being set on shell.The utility model be capable of multi-direction multi-angle detection testee tension, and can dustproof and waterproof, reduce spoilage.
Description
Technical field
The utility model is related to sensor technical field, more particularly to a kind of pressure resistance type ceramics tension sensor.
Background technology
It is well known that tension sensor is a kind of force-sensing sensor that application range is wide.It is domestic and international applied at present
Various tension sensors nearly all use the quick sensing element of power of resistance strain gage composition.Actually resistance strain gage is by amorphous
Semiconductor chip or by 0.02-0.05mm wires be coiled into palisade or by metallic membrane corrode at palisade after, using epoxy resin
It is adhered to stainless steel membrane on piece, stainless steel diaphragm generates micro deformation and is transmitted to resistance strain gage under tension, to produce
Raw resistance strain gage change in resistance realizes tension-resistance value physical quantity conversion.
But present tension sensor can only generally detect a point of testee, a direction leads to detection essence
The generally all direct exposed to air of low and present tension sensor is spent, is caused fragile and non-watertight.
Utility model content
In view of the above-mentioned problems, the purpose of this utility model is that proposing a kind of pressure resistance type ceramics tension sensor, energy is more than enough
Direction multi-angle detection testee tension, and can dustproof and waterproof, reduce spoilage.
Technical solution is used by the utility model solves above-mentioned technical problem:A kind of pressure resistance type ceramics tension sensing
Device, which is characterized in that including:Shell, waterproof cover, ceramic diaphragm, elastomer, the shell is cylindrical, lower end closed, upper end
Opening, the ceramic diaphragm are fixedly mounted on the shell upper end by word nail, and the elastomer is circle, the elastomer
Diameter is identical as the housing inner diameter, and the elastomer is fixedly mounted on the enclosure interior, and the shell is divided into upper and lower two
Layer, the ceramic diaphragm are made of center diaphragm and multiple branch's diaphragms, and the center diaphragm is circle, and branch's diaphragm is
Sector, branch's diaphragm are uniformly distributed circumferentially in the periphery of the center diaphragm, the center diaphragm and branch's diaphragm one
It is body formed, it is fixedly connected by ceramic connecting rod between the center diaphragm and the elastomer, each branch's diaphragm is upper
Thick-film resistor piece is installed, the upper end of the ceramic diaphragm is equipped with position-limited rack, and the position limiting clamp is fixedly mounted on the shell top
End, the waterproof cover twist-on are set on the housing tip, the shell there are two through-hole, and two through-holes are located at shell lower layer,
The center of two through-holes is on an axis.
Further, the diameter of the center diaphragm is less than the diameter of elastomer.
Further, the thick-film resistor piece is bonded with branch's diaphragm, and the thick-film resistor piece is close to center diaphragm one
Side bonds.
Further, the thick-film resistor piece includes substrate, and for the substrate in sector, the front of the substrate is welded with two
Bridge resistance, the back side of the substrate are welded with two bridge resistance,s, the bridge resistance, of substrate tow sides interconnect to be formed favour this
Pause electric bridge.
The utility model has the advantage of:1, ceramic diaphragm is made of center diaphragm and branch's diaphragm, can be detected polygonal
The pressure value of degree, improves accuracy of detection;2, position-limited rack is set, ceramic diaphragm is prevented to be bent upwards excessively and damage;3, it is arranged
Have waterproof cover, can not only waterproof can also be dust-proof, delay to damage.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of structure chart of pressure resistance type ceramics tension sensor of the utility model;
Fig. 2 is a kind of structure chart of the thick-film resistor piece of pressure resistance type ceramics tension sensor of the utility model.
Wherein:1, waterproof cover;2, shell;3, ceramic diaphragm;31, center diaphragm;32, branch's diaphragm;4, elastomer;5, thick
Film resistance piece;51, substrate;52, bridge resistance,;6, position-limited rack;7, ceramic connecting rod;8, through-hole.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
As depicted in figs. 1 and 2, a kind of pressure resistance type ceramics tension sensor, including:Shell 2, waterproof cover 1, ceramic diaphragm 3,
Elastomer 4, the shell 2 is cylindrical, lower end closed, upper end opening, and the ceramic diaphragm 3 is fixedly mounted on by word nail
2 upper end of the shell, the elastomer 4 are circle, and 4 diameter of the elastomer is identical as 2 internal diameter of the shell, the elastomer
4 are fixedly mounted on inside the shell 2, the shell 2 are divided for upper layer and lower layer, the ceramic diaphragm 3 is by 31 He of center diaphragm
Multiple branch's diaphragms 32 form, and the center diaphragm 31 is circle, and branch's diaphragm 32 is sector, 32 edge of branch's diaphragm
It is circumferentially evenly distributed on the periphery of the center diaphragm 31, the center diaphragm 31 and branch's diaphragm 32 are integrally formed, in described
It is fixedly connected by ceramic connecting rod 7 between heart diaphragm 31 and the elastomer 4, thickness is installed on each branch's diaphragm 32
The upper end of film resistance piece 5, the ceramic diaphragm 3 is equipped with position-limited rack 6, and the position limiting clamp is fixedly mounted on 2 top of the shell, institute
1 twist-on of waterproof cover to be stated to be set on 2 top of the shell, the shell 2 there are two through-hole 8, two through-holes 8 are located at 2 lower layer of shell,
The center of two through-holes 8 is on an axis.
Further, the diameter of the center diaphragm 31 is less than the diameter of elastomer 4.
Further, the thick-film resistor piece 5 is bonded with branch's diaphragm 32, and the thick-film resistor piece 5 is close to central mode
31 side of piece bonds.
Further, the thick-film resistor piece 5 includes substrate 51, and the substrate 51 is in sector, the face bonding of the substrate 51
Bridge resistance, 52 there are two connecing, the back side of the substrate 51 is welded with two bridge resistance,s 52, the bridge of 51 tow sides of substrate
The interconnection of resistance 52 forms resistance bridge.
Working method:Testee is passed through from the through-hole 8 of shell 2, is squeezed elastomer 4, is made 4 stress of elastomer, elastomer 4
Make 3 stress of ceramic diaphragm by ceramic connecting rod 7, and then drives 5 stress of thick-film resistor piece on ceramic diaphragm 3, thick-film resistor piece 5
The roads Shang Qian resistance is made electric bridge generate one and is directly proportional to the pressure voltage signal, and then measured testee due to piezoresistive effect
Pressure.
Finally it should be noted that:The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System;Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand:It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement;And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (4)
1. a kind of pressure resistance type ceramics tension sensor, which is characterized in that including:Shell, waterproof cover, ceramic diaphragm, elastomer, institute
It is cylindrical to state shell, lower end closed, upper end opening, the ceramic diaphragm by a word nail be fixedly mounted on the housing
End, the elastomer are circle, and the elastomer diameter is identical as the housing inner diameter, and the elastomer is fixedly mounted on described
The shell is divided into upper layer and lower layer by enclosure interior, and the ceramic diaphragm is made of center diaphragm and multiple branch's diaphragms, described
Center diaphragm is circle, and branch's diaphragm is sector, and branch's diaphragm is uniformly distributed circumferentially in the center diaphragm
Periphery, the center diaphragm and branch's diaphragm are integrally formed, and pass through ceramic connecting rod between the center diaphragm and the elastomer
It is fixedly connected, thick-film resistor piece is installed on each branch's diaphragm, the upper end of the ceramic diaphragm is equipped with position-limited rack, institute
It states position limiting clamp and is fixedly mounted on the housing tip, the waterproof cover twist-on is equipped with two in the housing tip, the shell
A through-hole, two through-holes are located at shell lower layer, and the center of two through-holes is on an axis.
2. a kind of pressure resistance type ceramics tension sensor according to claim 1, which is characterized in that the center diaphragm it is straight
Diameter is less than the diameter of elastomer.
3. a kind of pressure resistance type ceramics tension sensor according to claim 1, which is characterized in that the thick-film resistor piece with
Branch's diaphragm bonds, and the thick-film resistor piece is bonded close to center diaphragm side.
4. a kind of pressure resistance type ceramics tension sensor according to claim 1, which is characterized in that the thick-film resistor piece packet
Substrate is included, the substrate is welded with two bridge resistance,s in sector, the front of the substrate, and the back side of the substrate is welded with two
The bridge resistance, of a bridge resistance, substrate tow sides interconnects to form resistance bridge.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721895988.8U CN207816492U (en) | 2017-12-29 | 2017-12-29 | A kind of pressure resistance type ceramics tension sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721895988.8U CN207816492U (en) | 2017-12-29 | 2017-12-29 | A kind of pressure resistance type ceramics tension sensor |
Publications (1)
Publication Number | Publication Date |
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CN207816492U true CN207816492U (en) | 2018-09-04 |
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CN201721895988.8U Expired - Fee Related CN207816492U (en) | 2017-12-29 | 2017-12-29 | A kind of pressure resistance type ceramics tension sensor |
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CN (1) | CN207816492U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115717951A (en) * | 2022-10-13 | 2023-02-28 | 无锡盛赛传感科技有限公司 | High-performance piezoresistive ceramic tension sensor, processing technology thereof and tool for processing |
-
2017
- 2017-12-29 CN CN201721895988.8U patent/CN207816492U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115717951A (en) * | 2022-10-13 | 2023-02-28 | 无锡盛赛传感科技有限公司 | High-performance piezoresistive ceramic tension sensor, processing technology thereof and tool for processing |
CN115717951B (en) * | 2022-10-13 | 2023-11-21 | 无锡盛赛传感科技有限公司 | High-performance piezoresistive ceramic tension sensor, processing technology thereof and tooling for processing |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180904 Termination date: 20201229 |