CN207816492U - A kind of pressure resistance type ceramics tension sensor - Google Patents

A kind of pressure resistance type ceramics tension sensor Download PDF

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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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CN
China
Prior art keywords
diaphragm
branch
shell
elastomer
center
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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.)
Expired - Fee Related
Application number
CN201721895988.8U
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Chinese (zh)
Inventor
王立刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LASCAUX MICROELECTRONIC DEVICE (TIANJIN) Co Ltd
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LASCAUX MICROELECTRONIC DEVICE (TIANJIN) Co Ltd
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Priority to CN201721895988.8U priority Critical patent/CN207816492U/en
Application granted granted Critical
Publication of CN207816492U publication Critical patent/CN207816492U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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

A kind of pressure resistance type ceramics tension sensor
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.
CN201721895988.8U 2017-12-29 2017-12-29 A kind of pressure resistance type ceramics tension sensor Expired - Fee Related CN207816492U (en)

Priority Applications (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

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
CN207816492U true CN207816492U (en) 2018-09-04

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Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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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