CN203551056U - Pressure weighing sensor - Google Patents
Pressure weighing sensor Download PDFInfo
- Publication number
- CN203551056U CN203551056U CN201320703872.5U CN201320703872U CN203551056U CN 203551056 U CN203551056 U CN 203551056U CN 201320703872 U CN201320703872 U CN 201320703872U CN 203551056 U CN203551056 U CN 203551056U
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- Prior art keywords
- pressure
- elastic body
- hole
- installation
- sensors
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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 - Lifetime
Links
- 238000005303 weighing Methods 0.000 title claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 4
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to a pressure weighing sensor, having an elastic body and a pressure sensor. One of an upper side and a lower side of the elastic body in the stress-bearing direction is provided with a platform installation hole, and the other is provided with at least two pedestal installation holes used for connecting an installation pedestal. The axis of the platform installation hole is perpendicular to the stress-bearing direction of the elastic body. The pressure weighing sensor is simple in structure and easy to manufacture, is improved in self-adaptive capability by the optimal design that the platform installation hole can enable a weighing platform and the elastic body rotate relative to each other within a small range, and thus a problem that the weighing precision is not high due to the uneven ground is solved. With the pedestal installation holes, the elastic body and the pedestal are fixedly connected, and thus the installation is enabled to be more reliable.
Description
Technical field
The utility model relates to weighing device technical field, especially a kind of pressure and weighting transducers.
Background technology
Bridge type magnetic sensor is a kind of LOAD CELLS of commonly using in the productions such as truck scale, track scale, axle weight scale, weighbridge, storage scale.There is great force value, anti-bias load, high precision, low-power consumption, hermetic advantage, be applicable to all kinds of rugged surroundings.But install inconveniently, and higher to the conditional request of weighing, uneven if there is ground, not etc. weighing results is not inaccurate for each point of weighing platform stressed, and weighing precision during actual use is restricted.
Utility model content
The technical problems to be solved in the utility model is: overcome the affected technical matters of weighing precision that LOAD CELLS in prior art causes because of the defect of structural design, a kind of pressure and weighting transducers is provided, can effectively solves because of the uneven problem that affects weighing precision in ground.
The utility model solves the technical scheme that its technical matters adopts: a kind of pressure and weighting transducers, comprise elastic body and pressure transducer, described elastic body is subject to the wherein side in the both sides up and down of force direction to be provided with one and is provided with at least two for the base installing hole of connection base for connecting platform mounting hole, the opposite side of weighing platform, and the axis of described platform mounting hole is perpendicular to the elastomeric force direction that is subject to.A platform mounting hole can make elastic body with respect to weighing platform rotation within the specific limits, thereby the situation that adapts to ground injustice, improves adaptability, solve the uneven problem that affects weighing precision in ground, base installing hole can make to be fixedly connected with between elastic body and base, makes to install more reliable.
Further, region on described elastic body between platform mounting hole and installation of sensors hole has two in conplane open type strain groove, the opening direction of two described open type strain grooves on the contrary and perpendicular to the elastomeric force direction that is subject to, the region that is positioned at base installing hole and installation of sensors hole on described elastic body has a closed type groove.Strain groove is set like this, can makes elastomeric elastic strain reaction sensitiveer, improve precision.
Further, described elastomeric middle part has the installation of sensors hole of two setting pressure sensors, and two installation of sensors holes are symmetrical arranged with respect to central shaft.Arranging of two pressure transducers can improve weighing precision, reduces error.
Further, described base installing hole is subject to force direction perpendicular to elastic body.
Further, the axis of described installation of sensors hole, platform mounting hole and base installing hole is parallel.
As preferably, the described elastomeric two ends up and down of force direction that are subject to have cambered surface.Cambered surface design can be for providing rotation space between weighing platform and elastic body.
Described pressure transducer is resistance strain gage pressure transducer, resistance strain gage pressure transducer comprises resistance strain gage module and signal wire, resistance strain gage module is installed in installation of sensors hole, on described elastic body, have the leadout hole of signal wire, on described elastic body, Signal connector is installed, Signal connector is electrically connected by signal wire and resistance strain gage module.
The first embodiment: described signal wire is analog signal line.
The second embodiment: described resistance strain gage pressure transducer also comprises analog to digital converter, described signal wire is digital signal line.
Further, for improving elastomeric serviceable life, avoid concentrating because of the stress of open type strain groove the problem that causes elastic body to damage, the bottom land of two described open type strain grooves has the concentrated reaming of the stress of minimizing.
The beneficial effects of the utility model are, pressure and weighting transducers of the present utility model, simple in structure, be easy to manufacture, platform mounting hole by optimal design can make to occur between weighing platform and elastic body relatively rotating among a small circle, improves adaptive ability, thereby solve, causes the affected problem of weighing precision because of ground injustice, base installing hole can make to be fixedly connected with between elastic body and base, makes to install more reliable.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the stereographic map of pressure and weighting transducers preferred embodiment of the present utility model;
Fig. 2 is the front view of pressure and weighting transducers preferred embodiment of the present utility model;
In figure: 1. elastic body, 11. open type strain grooves, 12. closed type grooves, 13. leadout holes, 14. reamings, 2. pressure transducer, 21. resistance strain gage modules, 22. signal wires, 23. Signal connectors, 3. platform mounting hole, 4. base installing hole, 5. installation of sensors hole.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model is only described in a schematic way, so it only show the formation relevant with the utility model.
As shown in Fig. 1～2, a kind of pressure and weighting transducers of the present utility model, comprise elastic body 1 and pressure transducer 2, the middle part of described elastic body 1 has the installation of sensors hole 5 of two setting pressure sensors 2, two installation of sensors holes 5 are symmetrical arranged with respect to central shaft, described elastic body 1 is subject to the wherein side in the both sides up and down of force direction to be provided with one for connecting the platform mounting hole 3 of weighing platform, opposite side is provided with at least two for the base installing hole 4 of connection base, the axis of described platform mounting hole 3 is perpendicular to the force direction that is subject to of elastic body 1, region on described elastic body 1 between platform mounting hole 3 and installation of sensors hole 5 has two in conplane open type strain groove 11, the opening direction of two described open type strain grooves 11 is contrary and perpendicular to the force direction that is subject to of elastic body 1, the region that is positioned at base installing hole 4 and installation of sensors hole 5 on described elastic body 1 has a closed type groove 12.
Further, described base installing hole 4 is subject to force direction perpendicular to elastic body 1.
Further, described installation of sensors hole 5, platform mounting hole 3 are parallel with the axis of base installing hole 4.
As preferably, the two ends up and down that are subject to force direction of described elastic body 1 have cambered surface.Cambered surface design can be for providing rotation space between weighing platform and elastic body 1.
Described pressure transducer 2 is resistance strain gage pressure transducer, resistance strain gage pressure transducer comprises resistance strain gage module 21 and signal wire 22, resistance strain gage module 21 is installed in installation of sensors hole 5, on described elastic body 1, have the leadout hole 13 of signal wire 22, on described elastic body 1, Signal connector 23 is installed, Signal connector 23 is electrically connected by signal wire 22 and resistance strain gage module 21.
The first embodiment: described signal wire 22 is analog signal line.
The second embodiment: described resistance strain gage pressure transducer also comprises analog to digital converter, described signal wire 22 is digital signal line.
Further, for improving the serviceable life of elastic body 1, avoid concentrating because of the stress of open type strain groove 11 problem that causes elastic body 1 to damage, the bottom land of two described open type strain grooves 11 has the concentrated reaming 14 of the stress of minimizing.
The above-mentioned foundation desirable embodiment of the present utility model of take is enlightenment, and by above-mentioned description, relevant staff can, within not departing from the scope of this utility model technological thought, carry out various change and modification completely.The technical scope of this utility model is not limited to the content on instructions, must determine its technical scope according to claim scope.
Claims (10)
1. a pressure and weighting transducers, comprise elastic body and pressure transducer, it is characterized in that: described elastic body is subject to the wherein side in the both sides up and down of force direction to be provided with one and is provided with at least two for the base installing hole of connection base for connecting platform mounting hole, the opposite side of weighing platform, and the axis of described platform mounting hole is perpendicular to the elastomeric force direction that is subject to.
2. pressure and weighting transducers as claimed in claim 1, it is characterized in that: the region on described elastic body between platform mounting hole and installation of sensors hole has two in conplane open type strain groove, the opening direction of two described open type strain grooves on the contrary and perpendicular to the elastomeric force direction that is subject to, the region that is positioned at base installing hole and installation of sensors hole on described elastic body has a closed type groove.
3. pressure and weighting transducers as claimed in claim 1 or 2, is characterized in that: described elastomeric middle part has the installation of sensors hole of two setting pressure sensors, and two installation of sensors holes are symmetrical arranged with respect to central shaft.
4. pressure and weighting transducers as claimed in claim 3, is characterized in that: described base installing hole is subject to force direction perpendicular to elastic body.
5. pressure and weighting transducers as claimed in claim 4, is characterized in that: the axis of described installation of sensors hole, platform mounting hole and base installing hole is parallel.
6. pressure and weighting transducers as claimed in claim 1, is characterized in that: the described elastomeric two ends up and down of force direction that are subject to have cambered surface.
7. pressure and weighting transducers as claimed in claim 3, it is characterized in that: described pressure transducer is resistance strain gage pressure transducer, resistance strain gage pressure transducer comprises resistance strain gage module and signal wire, resistance strain gage module is installed in installation of sensors hole, on described elastic body, have the leadout hole of signal wire, on described elastic body, Signal connector is installed, Signal connector is electrically connected by signal wire and resistance strain gage module.
8. pressure and weighting transducers as claimed in claim 7, is characterized in that: described signal wire is analog signal line.
9. pressure and weighting transducers as claimed in claim 7, is characterized in that: described resistance strain gage pressure transducer also comprises analog to digital converter, and described signal wire is digital signal line.
10. pressure and weighting transducers as claimed in claim 2, is characterized in that: the bottom land of two described open type strain grooves has the concentrated reaming of the stress of minimizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320703872.5U CN203551056U (en) | 2013-11-08 | 2013-11-08 | Pressure weighing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320703872.5U CN203551056U (en) | 2013-11-08 | 2013-11-08 | Pressure weighing sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203551056U true CN203551056U (en) | 2014-04-16 |
Family
ID=50469154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320703872.5U Expired - Lifetime CN203551056U (en) | 2013-11-08 | 2013-11-08 | Pressure weighing sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203551056U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557914A (en) * | 2013-11-08 | 2014-02-05 | 丹阳市利康机械有限公司 | Pressure weighing sensor |
-
2013
- 2013-11-08 CN CN201320703872.5U patent/CN203551056U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557914A (en) * | 2013-11-08 | 2014-02-05 | 丹阳市利康机械有限公司 | Pressure weighing sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160114 Address after: 306, room 212300, A, Pioneer Park, 19 Qi Lu Road, Danyang Economic Development Zone, Jiangsu, China Patentee after: CAMRONG (DANYANG) INTELLIGENT MACHINERY CO.,LTD. Address before: Zhenjiang City, Jiangsu Province, nine road 212300 Danyang City Development Zone No. 25 Patentee before: DANYANG LIKANG MACHINERY CO.,LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |