CN203572559U - Weighing sensor - Google Patents
Weighing sensor Download PDFInfo
- Publication number
- CN203572559U CN203572559U CN201320706386.9U CN201320706386U CN203572559U CN 203572559 U CN203572559 U CN 203572559U CN 201320706386 U CN201320706386 U CN 201320706386U CN 203572559 U CN203572559 U CN 203572559U
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- CN
- China
- Prior art keywords
- elastic body
- load cells
- strain gage
- resistance strain
- pressure transducer
- Prior art date
- 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
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- 238000005303 weighing Methods 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 3
- 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
- 239000002360 explosive Substances 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 weighing sensor, which comprises an elastic body and a pressure sensor. Upper and lower two sides of the elastic body are provided with two parallelly-arranged opening-type strain grooves; opening directions of the two opening-type strain grooves are opposite; the pressure sensor is arranged in the position, located between two opening-type strain grooves, of the elastic body; one side of the upper and lower two sides of the force bearing direction of the elastic body is provided with a platform mounting hole for being connected with a weighing platform, and the other side is provided with at least two base mounting holes for being connected with a mounting base; and the platform mounting hole is vertical with the force bearing direction of the elastic body. According to the weighing sensor, the structure is simple, manufacturing is easy, relative rotation in a small range can happen between the weighing platform and the elastic body via the optimally-designed platform mounting hole, the problem that the weighing precision is influenced due to uneven ground can be solved, fixed connection between the elastic body and the mounting base can be ensured due to the base mounting hole, and the mounting is more reliable.
Description
Technical field
The utility model relates to weighing device technical field, especially a kind of LOAD CELLS.
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, if there is ground injustice, 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 of the prior art causes because of the defect of structural design, a kind of LOAD CELLS 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 LOAD CELLS, comprise elastic body and pressure transducer, described elastomeric upper and lower both sides have two open type strain grooves that be arranged in parallel, the opening direction of two described open type strain grooves is contrary, described pressure transducer is arranged on the position between two open type strain grooves in elastic body, described elastic body 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 of weighing platform, opposite side is provided with at least two base installing holes for connection base, described platform mounting hole is subject to force direction perpendicular to elastic body.Can be around the rotation among a small circle of the axis of platform mounting hole between weighing platform and elastic body after installation, thus solve because of the uneven problem that affect weighing precision in ground, and base installing hole can make to be fixedly connected with between elastic body and mounting seat, makes installation more reliable.
Further, described base installing hole is subject to force direction perpendicular to elastic body.
Further, the axis of described base installing hole is parallel with the axis of platform mounting hole.
As preferably, the described elastomeric two ends up and down that are subject to force direction 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, on described elastic body, have and hold the cavity of resistance strain gage module and the leadout hole of signal wire, at least one Signal connector is installed on described elastic body, and 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, the quantity of described resistance strain gage module is two, and elastic body is provided with two Signal connectors that are connected by signal wire with two resistance strain gage modules respectively.
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, LOAD CELLS of the present utility model, simple in structure, be easy to manufacture, by the platform mounting hole of optimal design, can make between weighing platform and elastic body to occur relatively rotating among a small circle, thereby solve because ground injustice causes the affected problem of weighing precision, base installing hole can make to be fixedly connected with between elastic body and mounting seat, make 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 first embodiment of LOAD CELLS of the present utility model;
Fig. 2 is the stereographic map of second embodiment of LOAD CELLS of the present utility model;
Fig. 3 is the three-dimensional explosive view of second embodiment of LOAD CELLS of the present utility model;
Fig. 4 is the cut-open view of second embodiment of LOAD CELLS of the present utility model.
In figure: 1. elastic body, 11. open type strain grooves, 12. reamings, 2. pressure transducer, 21. resistance strain gage modules, 22. signal wires, 23. Signal connectors, 3. platform mounting hole, 4. base installing 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, and basic structure of the present utility model is only described in a schematic way, and therefore it only shows the formation relevant with the utility model.
First embodiment of LOAD CELLS of the present utility model as shown in Figure 1, comprise elastic body 1 and pressure transducer 2, the both sides up and down of elastic body 1 have two open type strain grooves 11 that be arranged in parallel, the opening direction of two open type strain grooves 11 is contrary, pressure transducer 2 is arranged on the position between two open type strain grooves 11 in elastic body 1, 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 base installing holes 4 for connection base, platform mounting hole 3 is subject to force direction perpendicular to elastic body 1.Can be around the rotation among a small circle of the axis of platform mounting hole 3 between weighing platform and elastic body 1 after installation, thus solve because of the uneven problem that affects weighing precision in ground.
Further, base installing hole 4 is subject to force direction perpendicular to elastic body 1.
Further, the axis of base installing hole 4 is parallel with the axis of platform mounting hole 3.
As preferably, the two ends up and down that are subject to force direction of elastic body 1 have cambered surface, S-shaped bulk.Cambered surface design can be for providing rotation space between weighing platform and elastic body 1.
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 open type strain grooves 11 has the concentrated reaming 12 of the stress of minimizing.
Second embodiment of LOAD CELLS of the present utility model as shown in Fig. 2～4, is with the difference of first embodiment: resistance strain gage pressure transducer 2 also comprises analog to digital converter, signal wire 22 is digital signal line.Further, the quantity of resistance strain gage module 21 is two, and elastic body 1 is provided with two Signal connectors 23 that are connected by signal wire 22 with two resistance strain gage modules 21 respectively.
Take above-mentioned foundation desirable embodiment of the present utility model as enlightenment, by above-mentioned description, relevant staff can, 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 (9)
1. a LOAD CELLS, comprise elastic body and pressure transducer, it is characterized in that: described elastomeric upper and lower both sides have two open type strain grooves that be arranged in parallel, the opening direction of two described open type strain grooves is contrary, described pressure transducer is arranged on the position between two open type strain grooves in elastic body, described elastic body 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 of weighing platform, opposite side is provided with at least two base installing holes for connection base, described platform mounting hole is subject to force direction perpendicular to elastic body.
2. LOAD CELLS as claimed in claim 1, is characterized in that: described base installing hole is subject to force direction perpendicular to elastic body.
3. LOAD CELLS as claimed in claim 2, is characterized in that: the axis of described base installing hole is parallel with the axis of platform mounting hole.
4. LOAD CELLS as claimed in claim 1, is characterized in that: the described elastomeric two ends up and down that are subject to force direction have cambered surface.
5. LOAD CELLS as claimed in claim 1, 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, on described elastic body, have and hold the cavity of resistance strain gage module and the leadout hole of signal wire, at least one Signal connector is installed on described elastic body, and Signal connector is electrically connected by signal wire and resistance strain gage module.
6. LOAD CELLS as claimed in claim 5, is characterized in that: described signal wire is analog signal line.
7. LOAD CELLS as claimed in claim 5, is characterized in that: described resistance strain gage pressure transducer also comprises analog to digital converter, and described signal wire is digital signal line.
8. LOAD CELLS as claimed in claim 5, is characterized in that: the quantity of described resistance strain gage module is two, and elastic body is provided with two Signal connectors that are connected by signal wire with two resistance strain gage modules respectively.
9. LOAD CELLS as claimed in claim 1, 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 |
|---|---|---|---|
| CN201320706386.9U CN203572559U (en) | 2013-11-08 | 2013-11-08 | Weighing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320706386.9U CN203572559U (en) | 2013-11-08 | 2013-11-08 | Weighing sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203572559U true CN203572559U (en) | 2014-04-30 |
Family
ID=50540286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320706386.9U Expired - Lifetime CN203572559U (en) | 2013-11-08 | 2013-11-08 | Weighing sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203572559U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937999A (en) * | 2016-01-20 | 2016-09-14 | 申俊 | Dual-precision weighing sensor |
| CN106679858A (en) * | 2017-02-08 | 2017-05-17 | 厦门红雏鹰科技有限公司 | Self-closing self-protective pressure and tension sensor |
| 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 |
| CN109316730A (en) * | 2017-08-01 | 2019-02-12 | 向股份有限公司 | Force measuring system for sports equipment |
-
2013
- 2013-11-08 CN CN201320706386.9U patent/CN203572559U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937999A (en) * | 2016-01-20 | 2016-09-14 | 申俊 | Dual-precision weighing sensor |
| CN106679858A (en) * | 2017-02-08 | 2017-05-17 | 厦门红雏鹰科技有限公司 | Self-closing self-protective pressure and tension sensor |
| CN109316730A (en) * | 2017-08-01 | 2019-02-12 | 向股份有限公司 | Force measuring system for sports equipment |
| 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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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: 20160115 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: 20140430 |