CN209263895U - A kind of electronic rheostat sensor for pile detection - Google Patents
A kind of electronic rheostat sensor for pile detection Download PDFInfo
- Publication number
- CN209263895U CN209263895U CN201920063895.1U CN201920063895U CN209263895U CN 209263895 U CN209263895 U CN 209263895U CN 201920063895 U CN201920063895 U CN 201920063895U CN 209263895 U CN209263895 U CN 209263895U
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- Prior art keywords
- substrate
- strain resistor
- strain
- shell
- resistor
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Abstract
The utility model discloses a kind of electronic rheostat sensors for pile detection, including shell, substrate, pad and strain resistor, the lower part of the housing is equipped with substrate, the base upper portion is equipped with strain resistor, link block is equipped between the strain resistor, connecting pin is equipped on the right side of the strain resistor, pad is equipped on the left of the strain resistor, it is equipped with curve substrate in the middle part of the strain resistor and limits band, a kind of electronic rheostat sensor for pile detection, external detection instrument is electrically connected by outer contact and pad, by applying pressure to foundation pile, deformation occurs for the strain resistor of sensor internal, resistance value changes, it is recorded by extension instrument, curve substrate, which limits band, can limit the variation range of strain resistor with straight line substrate limit band, increase measurement accuracy, and strain resistor is located at substrate axis Line two sides, are capable of the sensitivity of strain transducer measurement, and then guarantee the accuracy of measurement result.
Description
Technical field
The utility model relates to sensor technical field, specially a kind of electronic rheostat for pile detection is sensed
Device.
Background technique
The strain of object is a very important geometric parameter, and accurately measurement has a very important significance.It answers
Becoming sensor is for measuring a kind of sensor strained caused by object receiving force deformation.Resistance strain gage is then that it is most often adopted
Sensing element.It is the sensing element that a kind of variation that can will be strained on mechanical component is converted to resistance variations.Strain passes
The type of sensor is more, by principle point, have resistance-type, it is capacitive, piezoelectric type, inductance type and optical profile type etc..
Resistance strain, resistance material can be divided into metal, semiconductor, solution, conducting polymer, graphite etc. again.
When test, sensor is pasted on the surface of determinand securely with adhesive, with test specimen stress deformation, is answered
The sensitive grid for becoming piece also obtains same deformation, so that its resistance is made to change therewith, and this resistance variations is answered with test specimen
Become ratio, so if this resistance variations are converted to voltage or curent change by centainly measuring route, then again
It is shown and is recorded with display recorder table, just can know that the size of determinand dependent variable, resistance-type used at present are answered
Become sensor being most widely used with metallic resistance, however due to the limitation of metal stretching rate, surveyed range of strain also compares
It is small.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of electronic rheostat sensing for pile detection
When solving test, sensor is pasted on the surface of determinand securely with adhesive for device, with test specimen stress deformation,
The sensitive grid of foil gauge also obtains same deformation, so that its resistance is made to change therewith, and this resistance variations is and test specimen
Strain it is proportional, so if this resistance variations are converted to voltage or curent change by centainly measuring route, then
It is shown and is recorded with display recorder table again, just can know that the size of determinand dependent variable, resistance-type used at present
Strain transducer is most widely used with metallic resistance, however due to the limitation of metal stretching rate, surveyed range of strain also compares
It is smaller.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of for pile detection
Electronic rheostat sensor, including shell, substrate, pad and strain resistor, the lower part of the housing are equipped with substrate, the substrate
Top is equipped with strain resistor, is equipped with link block between the strain resistor, the strain resistor is connected by link block, described
Connecting pin is equipped on the right side of strain resistor, the connecting pin is fixedly connected by glue with strain resistor, on the left of the strain resistor
Equipped with pad, the pad is welded and fixed with strain resistor, and curve substrate is equipped in the middle part of the strain resistor and limits band, institute
It states curve substrate limit band two sides and is equipped with straight line substrate limit band, the base upper portion is equipped with protective layer, the protective layer lower part
Equipped with electrode layer, the electrode layer is covered on strain resistor surface, and the electrode layer lower part is equipped with sensing layer, the strain resistor
Positioned at sensing layer, the sensing layer lower part is equipped with barrier layer.
Preferably, it is equipped with sealing ring outside the strain resistor, the edge of the shell is mutually chimeric with sealing ring.
Preferably, the substrate bottom is equipped with adhesive layer, and the adhesive layer and outer base paste fixation.
Preferably, the surface of shell is equipped with outer contact, the outer contact and pad and is electrically connected by conducting wire.
Preferably, the junction of the shell and substrate is equipped with sealing joint strip, and the sealing joint strip is socketed solid by glue
It is scheduled on the junction of shell and substrate.
(3) beneficial effect
The utility model provides a kind of electronic rheostat sensor for pile detection.Have it is following the utility model has the advantages that
(1), a kind of electronic rheostat sensor for pile detection, by adhesive layer by substrate and shell when use
It is firmly bonded in foundation pile surface, external detection instrument is electrically connected by outer contact and pad, by applying pressure to foundation pile,
Deformation occurs for the strain resistor of sensor internal, and resistance value changes, and is recorded by extension instrument, and strain resistor is song
Line style, link block also changes therewith before and after the stretching of strain resistor, and curve substrate limits band and straight line substrate limit band and can limit
The variation range of strain resistor processed increases measurement accuracy, and strain resistor is located at substrate central axes two sides, being capable of strain transducer
The sensitivity of measurement, and then guarantee the accuracy of measurement result.
(2), a kind of electronic rheostat sensor for pile detection, protective layer is located at electrode layer top can be effective
Internal strain resistance is protected not to be damaged, electrode layer is covered on strain resistor surface, can effectively increase transmission signal, electrostrictive strain
Resistance is located at sensing layer, can increase the detection accuracy of strain resistor, and barrier layer uses insulating materials, avoids in external factor
The detection accuracy in portion, sealing ring is chimeric with shell to increase shell and substrate connection sealing, can be with effective protection internal strain
The setting of resistance, sealing joint strip seals the junction of shell and substrate, increases the connective stability of shell and substrate.
Detailed description of the invention
Fig. 1 is the utility model positive structure schematic；
Fig. 2 is the utility model structure schematic diagram；
Fig. 3 is the utility model filter core structure schematic diagram；
In figure, shell -1, outer contact -2, sealing joint strip -3, substrate -4, adhesive layer -5, sealing ring -6, connecting pin -7, song
Line substrate limit band -8, strain resistor -9, link block -10, straight line substrate limit band -11, pad -12, protective layer -13, electricity
Pole layer -14, sensing layer -15, barrier layer -16.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model embodiment provides a kind of technical solution: a kind of electronics change for pile detection
Resistive sensor, including shell 1, substrate 4, pad 12 and strain resistor 9,1 lower part of shell are equipped with substrate 4, the base
4 top of bottom is equipped with strain resistor 9, and link block 10 is equipped between the strain resistor 9, and the strain resistor 9 passes through link block 10
It is connected, connecting pin 7 is equipped on the right side of the strain resistor 9, the connecting pin 7 is fixedly connected by glue with strain resistor 9, institute
It states and is equipped with pad 12 on the left of strain resistor 9, the pad 12 is welded and fixed with strain resistor 9,9 middle part of strain resistor
Band 8 is limited equipped with curve substrate, the curve substrate limit 8 two sides of band are equipped with straight line substrate and limit band 11,4 top of substrate
Equipped with protective layer 13,13 lower part of protective layer is equipped with electrode layer 14, and the electrode layer 14 is covered on 9 surface of strain resistor, institute
14 lower part of electrode layer is stated equipped with sensing layer 15, the strain resistor 9 is located inside sensing layer 15, and 15 lower part of sensing layer is equipped with
Barrier layer 16.
Preferably, sealing ring 6 is equipped with outside the strain resistor 9, the edge of the shell 1 is mutually chimeric with sealing ring 6, close
Seal 6 is chimeric with shell 1 to increase shell 1 and 4 connection sealing of substrate, can be with effective protection internal strain resistance 9.
Preferably, 4 bottom of substrate is equipped with adhesive layer 5, and the adhesive layer 5 pastes fixation with outer base, by glutinous
Substrate 4 and shell 1 are firmly bonded in foundation pile surface by paste layer 5, increase connective stability.
Preferably, 1 surface of shell is equipped with outer contact 2, and the outer contact 2 is electrically connected with pad 12 by conducting wire
It connects, external detection instrument is electrically connected by outer contact 2 with pad 12, and by applying pressure to foundation pile, sensor internal is answered
Deformation occurs for power transformation resistance 9, and resistance value changes, and is recorded by extension instrument.
Preferably, the junction of the shell 1 and substrate 4 is equipped with sealing joint strip 3, and the sealing joint strip 3 passes through glue set
The junction for being fixed on shell 1 Yu substrate 4 is connect, the junction of shell 1 and substrate 4 is sealed, increased by the setting of sealing joint strip 3
The connective stability of shell 1 and substrate 4.
Working principle: substrate 4 and shell 1 are firmly bonded in by foundation pile surface, external detection by adhesive layer 5 when use
Instrument is electrically connected by outer contact 2 with pad 12, and by applying pressure to foundation pile, the strain resistor 9 of sensor internal occurs
Deformation, resistance value change, and are recorded by extension instrument, and strain resistor 9 is shaped form, before the stretching of strain resistor 9
Link block also changes therewith afterwards, and curve substrate limit band 9 and straight line substrate limit band 11 and can limit the variation model of strain resistor 9
It encloses, increases measurement accuracy, and strain resistor 9 is located at 4 central axes two sides of substrate, be capable of the sensitivity of strain transducer measurement, into
And guarantee the accuracy of measurement result.Protective layer 13 be located at 14 top of electrode layer can effective protection internal strain resistance 9 not by
It destroys, electrode layer 14 is covered on 9 surface of strain resistor, can effectively increase transmission signal, and strain resistor 9 is located in sensing layer 15
Portion can increase the detection accuracy of strain resistor, and barrier layer 16 uses insulating materials, avoid the detection essence inside external factor
Degree, sealing ring 6 is chimeric with shell 1 to increase shell 1 and 4 connection sealing of substrate, can with effective protection internal strain resistance 9,
The setting of sealing joint strip 3 seals the junction of shell 1 and substrate 4, increases the connective stability of shell 1 Yu substrate 4.
The shell 1, outer contact 2, sealing joint strip 3, substrate 4, adhesive layer 5, sealing ring 6, connecting pin 7, song of the utility model
Line substrate limit band 8, strain resistor 9, link block 10, straight line substrate limit band 11, pad 12, protective layer 13, electrode layer 14,
Sensing layer 15, barrier layer 16, component are universal standard part or component as known to those skilled in the art, and structure and principle are all
Can be learnt by technical manual for this technology personnel or be known by routine experiment method, the utility model solve the problems, such as be
When test, sensor is pasted on the surface of determinand securely with adhesive, with test specimen stress deformation, foil gauge it is quick
Sense grid also obtain same deformation, so that its resistance is made to change therewith, and this resistance variations is proportional to test specimen strain
, so if this resistance variations are converted to voltage or curent change by centainly measuring route, then again with display note
Record instrument, which is shown, to be recorded, and just can know that the size of determinand dependent variable, resistance strain used at present
With being most widely used for metallic resistance, however due to the limitation of metal stretching rate, surveyed range of strain is also smaller, this is practical
Novel being combined with each other by above-mentioned component, a kind of electronic rheostat sensor for pile detection, by glutinous when use
Substrate and shell are firmly bonded in foundation pile surface by paste layer, and external detection instrument is electrically connected by outer contact and pad, are led to
It crosses and pressure is applied to foundation pile, deformation occurs for the strain resistor of sensor internal, and resistance value changes, and is carried out by extension instrument
Record, strain resistor are shaped form, and link block also changes therewith before and after the stretching of strain resistor, curve substrate limit band and straight line
Substrate limit band can limit the variation range of strain resistor, increase measurement accuracy, and strain resistor is located at substrate central axes two
Side, is capable of the sensitivity of strain transducer measurement, and then guarantees the accuracy of measurement result.Protective layer is located at electrode layer top energy
Enough effective protection internal strain resistance is not damaged, and electrode layer is covered on strain resistor surface, can effectively increase transmission signal,
Strain resistor is located at sensing layer, can increase the detection accuracy of strain resistor, and barrier layer uses insulating materials, avoids outside
Detection accuracy inside factor, sealing ring is chimeric with shell to increase shell and substrate connection sealing, can be in effective protection
The setting of portion's strain resistor, sealing joint strip seals the junction of shell and substrate, increases the stable connection of shell and substrate
Property.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims
All changes are embraced therein.It should not treat any reference in the claims as limiting related right
It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of electronic rheostat sensor for pile detection, it is characterised in that: including shell (1), substrate (4), welding
Point (12) and strain resistor (9), shell (1) lower part are equipped with substrate (4), and substrate (4) top is equipped with strain resistor
(9), link block (10) are equipped between the strain resistor (9), the strain resistor (9) is connected by link block (10), institute
It states and is equipped with connecting pin (7) on the right side of strain resistor (9), the connecting pin (7) is fixedly connected by glue with strain resistor (9), institute
It states and is equipped with pad (12) on the left of strain resistor (9), the pad (12) is welded and fixed with strain resistor (9), the strain
Curve substrate limit band (8) is equipped in the middle part of resistance (9), curve substrate limit band (8) two sides are equipped with straight line substrate and limit band
(11), substrate (4) top is equipped with protective layer (13), and protective layer (13) lower part is equipped with electrode layer (14), the electrode
Layer (14) is covered on strain resistor (9) surface, and electrode layer (14) lower part is equipped with sensing layer (15), the strain resistor (9)
Internal positioned at sensing layer (15), sensing layer (15) lower part is equipped with barrier layer (16).
2. a kind of electronic rheostat sensor for pile detection according to claim 1, it is characterised in that: described to answer
Power transformation, which hinders, is equipped with sealing ring (6) outside (9), and the edge of the shell (1) is mutually chimeric with sealing ring (6).
3. a kind of electronic rheostat sensor for pile detection according to claim 1, it is characterised in that: the base
Bottom (4) bottom is equipped with adhesive layer (5), and the adhesive layer (5) and outer base paste fixation.
4. a kind of electronic rheostat sensor for pile detection according to claim 1, it is characterised in that: the shell
Body (1) surface is equipped with outer contact (2), and the outer contact (2) and pad (12) are electrically connected by conducting wire.
5. a kind of electronic rheostat sensor for pile detection according to claim 1, it is characterised in that: the shell
The junction of body (1) and substrate (4) is equipped with sealing joint strip (3), and the sealing joint strip (3) is sleeved and fixed by glue in shell
(1) with the junction of substrate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920063895.1U CN209263895U (en) | 2019-01-15 | 2019-01-15 | A kind of electronic rheostat sensor for pile detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920063895.1U CN209263895U (en) | 2019-01-15 | 2019-01-15 | A kind of electronic rheostat sensor for pile detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209263895U true CN209263895U (en) | 2019-08-16 |
Family
ID=67584640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920063895.1U Expired - Fee Related CN209263895U (en) | 2019-01-15 | 2019-01-15 | A kind of electronic rheostat sensor for pile detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209263895U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111272063A (en) * | 2020-03-09 | 2020-06-12 | 江苏柔世电子科技有限公司 | Resistance type curvature sensor |
| CN111521106A (en) * | 2020-03-09 | 2020-08-11 | 江苏柔世电子科技有限公司 | Resistance type strain sensor |
-
2019
- 2019-01-15 CN CN201920063895.1U patent/CN209263895U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111272063A (en) * | 2020-03-09 | 2020-06-12 | 江苏柔世电子科技有限公司 | Resistance type curvature sensor |
| CN111521106A (en) * | 2020-03-09 | 2020-08-11 | 江苏柔世电子科技有限公司 | Resistance type strain sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190816 Termination date: 20210115 |
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| CF01 | Termination of patent right due to non-payment of annual fee |