CN103557914A - Pressure weighing sensor - Google Patents
Pressure weighing sensor Download PDFInfo
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- CN103557914A CN103557914A CN201310552074.1A CN201310552074A CN103557914A CN 103557914 A CN103557914 A CN 103557914A CN 201310552074 A CN201310552074 A CN 201310552074A CN 103557914 A CN103557914 A CN 103557914A
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- pressure
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Abstract
The invention relates to a pressure weighing sensor which comprises an elastic body and pressure sensor bodies. One of the upper side and the lower side in the stress direction of the elastic body is provided with a platform installation hole used for being connected with a weighing platform, the other of the upper side and the lower side is provided with at least two base installation holes used for being connected with installation bases, and the axis of the platform installation hole is perpendicular to the stress direction of the elastic body. The pressure weighing sensor is simple in structure and easy to manufacture, the platform installation hole in optimal design enables small-range relative rotation to be generated between the weighing platform and the elastic body, the self-adaptive capacity is improved, the problem that the weighing accuracy is influenced by the uneven ground is accordingly solved, and the base installation holes enable the elastic body to be fixedly connected with the bases so that installation can be reliably achieved.
Description
Technical field
The present invention 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.
Summary of the invention
The technical problem to be solved in the present invention 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 technical solution adopted for the present invention to solve the technical problems is: 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 invention has the beneficial effects as follows, pressure and weighting transducers of the present invention, 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 present invention is further described.
Fig. 1 is the stereographic map of pressure and weighting transducers preferred embodiment of the present invention;
Fig. 2 is the front view of pressure and weighting transducers preferred embodiment of the present invention;
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
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, basic structure of the present invention is only described in a schematic way, so it only show the formation relevant with the present invention.
As shown in Fig. 1～2, a kind of pressure and weighting transducers of the present invention, 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 invention of take is enlightenment, and by above-mentioned description, relevant staff can, within not departing from the scope of this invention technological thought, carry out various change and modification completely.The technical scope of this invention 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 |
|---|---|---|---|
| CN201310552074.1A CN103557914A (en) | 2013-11-08 | 2013-11-08 | Pressure weighing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310552074.1A CN103557914A (en) | 2013-11-08 | 2013-11-08 | Pressure weighing sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103557914A true CN103557914A (en) | 2014-02-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310552074.1A Pending CN103557914A (en) | 2013-11-08 | 2013-11-08 | Pressure weighing sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103557914A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107328500A (en) * | 2017-08-11 | 2017-11-07 | 安徽天光传感器有限公司 | A kind of link sensor of plate ring structure |
| CN109029664A (en) * | 2018-10-11 | 2018-12-18 | 余姚市通用仪表有限公司 | A kind of attachment web of the rail formula weighing sensor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2188738A (en) * | 1986-04-03 | 1987-10-07 | Thames Side Scient Company Lim | Load cell |
| KR20000055483A (en) * | 1999-02-06 | 2000-09-05 | 김동진 | A load cell for electronic scale |
| AU6547100A (en) * | 1999-10-15 | 2001-04-26 | Kelba (Australia) Pty Ltd | A weight measuring device |
| CN2932328Y (en) * | 2006-08-01 | 2007-08-08 | 广州电测仪器厂 | Self-supported bridge-type weighing sensor |
| CN201116884Y (en) * | 2007-11-20 | 2008-09-17 | 杭州恒联电测仪器有限公司 | Hanging type weighing sensor |
| CN201788004U (en) * | 2010-08-24 | 2011-04-06 | 上海裕杰衡器有限公司 | Digital weighing sensor |
| CN203551056U (en) * | 2013-11-08 | 2014-04-16 | 丹阳市利康机械有限公司 | Pressure weighing sensor |
-
2013
- 2013-11-08 CN CN201310552074.1A patent/CN103557914A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2188738A (en) * | 1986-04-03 | 1987-10-07 | Thames Side Scient Company Lim | Load cell |
| KR20000055483A (en) * | 1999-02-06 | 2000-09-05 | 김동진 | A load cell for electronic scale |
| AU6547100A (en) * | 1999-10-15 | 2001-04-26 | Kelba (Australia) Pty Ltd | A weight measuring device |
| CN2932328Y (en) * | 2006-08-01 | 2007-08-08 | 广州电测仪器厂 | Self-supported bridge-type weighing sensor |
| CN201116884Y (en) * | 2007-11-20 | 2008-09-17 | 杭州恒联电测仪器有限公司 | Hanging type weighing sensor |
| CN201788004U (en) * | 2010-08-24 | 2011-04-06 | 上海裕杰衡器有限公司 | Digital weighing sensor |
| CN203551056U (en) * | 2013-11-08 | 2014-04-16 | 丹阳市利康机械有限公司 | Pressure weighing sensor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107328500A (en) * | 2017-08-11 | 2017-11-07 | 安徽天光传感器有限公司 | A kind of link sensor of plate ring structure |
| CN109029664A (en) * | 2018-10-11 | 2018-12-18 | 余姚市通用仪表有限公司 | A kind of attachment web of the rail formula weighing sensor |
| CN109029664B (en) * | 2018-10-11 | 2023-10-13 | 余姚市通用仪表有限公司 | Attached rail web type weighing sensor |
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| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140205 |