CN105937984A - Security type dual-sensing electronic scale - Google Patents
Security type dual-sensing electronic scale Download PDFInfo
- Publication number
- CN105937984A CN105937984A CN201610098361.3A CN201610098361A CN105937984A CN 105937984 A CN105937984 A CN 105937984A CN 201610098361 A CN201610098361 A CN 201610098361A CN 105937984 A CN105937984 A CN 105937984A
- Authority
- CN
- China
- Prior art keywords
- support
- supporting member
- elastic
- support board
- spring plank
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/44—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing persons
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/62—Over or under weighing apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G21/00—Details of weighing apparatus
- G01G21/23—Support or suspension of weighing platforms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
- G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
- G01G3/14—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing measuring variations of electrical resistance
- G01G3/1402—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Force In General (AREA)
Abstract
The invention discloses a security type dual-sensing electronic scale comprising a carrying plate and weighing sensor assemblies for weighing an object carried by the carrying plate. A guiding force compressing part is arranged on the carrying plate. Each of weighing sensor assemblies consists of a first precision force-measuring sensor, a second precision force-measuring sensor, a first support element having a first support part, a second support element having a second support part, and a support leg. In a free state, the carrying plate is arranged on the second support part of the second support element in a compressing mode and the guiding force compressing part of the carrying plate is higher than the first support part of the first support element. When an object is carried by the carrying plate, the carrying plate drives the guiding force compressing part to move downwardly under the force; after the weight of the carried object exceeds a certain degrees, the guiding force compressing part of the carrying plate moves downwardly to the first support part and is compressed on the first support part. The provided electronic scale not only can be used as an electronic weighing scale but also can be used as an electronic kitchen scale.
Description
Technical field
The invention belongs to electronic balance structure design field, be specifically related to a kind of safety double-sensing electronic scale.
Background technology
Body weight electronic scale in the market, its structure mainly includes support board, display screen, regulation switch, power module
With the LOAD CELLS composition for supporting support board, its function is mainly used in human body of weighing, and is usually when carrying object
After weight exceedes preset value, display screen just starts to show numerical value, and this preset value is usually 5 kilograms；It addition, this kind of body weight
The maximum range of electronic scale is usually 180 kilograms, and scale division value is 100 grams, and error is relatively big, so this traditional body weight
Electronic scale, on ordinary days in addition to weighing in, substantially cannot function as its use, especially cannot be used for using as electronic scale.
And existing electronic scale, its scale division value can reach 1 gram, but its range is usually no more than 50 kilograms, so not
Can use as scale.The most also having scale division value to can reach 2 grams, range can reach the electronic scale of 150 kilograms,
System uses the force cell that precision is higher and range is bigger to make, but its price is much more expensive, it is impossible to universal.
Summary of the invention
It is an object of the invention to provide a kind of cost relatively low, both can be as wide range, body weight electronic scale that precision is low, again
Can be as small-range, the safety double-sensing electronic scale of electronic scale that precision is high.
The technical scheme realizing the object of the invention is: a kind of safety double-sensing electronic scale, including support board and for claiming
The LOAD CELLS assembly of amount support board carrier weight；Support board is provided with leads power pressure contact portion；Each LOAD CELLS assembly bag
Include plastic base, the containing cavity being arranged in plastic base, cover containing cavity bottom end opening and have centre bore spring lid,
First precision force cell, the second precision force cell, there is the first supporting member of the first support, have second
Second supporting member of support and a spike；First precision force cell includes the first fixed part and the first elastic load
Portion；Second precision force cell includes the second fixed part and the second elastic load portion；Prop up spike to include being positioned in centre bore
Support column, be arranged on the slipmat of support column bottom, be arranged on the mounting seat with draw-in groove on support column top；First
Elastic load portion and the second elastic load portion are fixed in the draw-in groove of mounting seat；First supporting member includes columned
Holding post and be arranged on the bearing plate on support column top, bearing plate is provided with support holes, and each second supporting member passes corresponding one
Support holes is connected on the diapire of support board；Bearing plate glues as the first support of the first supporting member, the top of support column
Knot is fixed on the diapire of bearing plate；Second supporting member includes briquetting, elastic plate, has the locating part of spacing slide opening；Pressure
The basic configuration of block is cylindric, and the second spring plank is set on the periphery wall of briquetting by its spacing hole；Locating part is fixing to be set
Put on support board diapire；Elastic plate includes upper bearing plate portion, lower support plate portion, connects upper bearing plate portion and lower support plate
The elastic plate portion in portion, elastic plate portion is obliquely installed relative to support board；Lower support plate portion crimps and is fixedly installed on briquetting top
On, upper bearing plate portion, as the second support, is connected on support board diapire, and can be reciprocal at the spacing slide opening of locating part
Slide；Under free state, support board crimping is arranged on the second support of the second supporting member, and leading of support board is defeated
The portion of connecing exceeds the first support of the first supporting member；When carrying object on support board, support board stress drives it to lead to defeat and connect
Subordinate moves, and after carrier body weight exceedes to a certain degree, the leading of support board is defeated and met subordinate and move to be crimped on the first supporting
In portion.
In such scheme, containing cavity is provided with for position the first supporting member have location hole the first spring plank and
For positioning second spring plank with spacing hole of the second supporting member；First spring plank is located at the first supporting by its location borehole jack
On the periphery wall of part, the neighboring of the first spring plank is fixedly installed on the inwall of containing cavity；Second spring plank is spacing by it
Borehole jack is located on the periphery wall of Lower bearing portions, and the neighboring in the second diving board portion is fixedly installed on the inwall of containing cavity.
In such scheme, the first spring plank is additionally provided with the first breach, and the second supporting member is positioned in this first breach；Second spring
Plate is additionally provided with the second breach, and the first supporting member is positioned in this second breach.
In such scheme, the first supporting member is rigid support or elastic supporting piece；Second supporting member under external force,
Self whole height changes in the range of elastic deformation.
The present invention in use, while having concurrently as body weight electronic scale and electronic scale, moreover it is possible to carrying object
Weight when exceeding the maximum range of electronic scale, effectively prevent from damaging electronic scale.It addition, the present invention can use
On market, existing cheap force cell is made, so greatly reducing cost, it is easy to universal.
Accompanying drawing explanation
Fig. 1 is that the present invention is as a kind of side-looking structural representation during electronic scale；
Fig. 2 is the close-up schematic view in Fig. 1 at A；
Fig. 3 is that electronic scale shown in Fig. 1 is as a kind of side-looking structural representation during body weight electronic scale；
Fig. 4 is a kind of perspective view of force cell in electronic scale shown in Fig. 1；
Fig. 5 is a kind of perspective view when another angle is observed of the force cell shown in Fig. 4；
Fig. 6 is a kind of side view of force cell shown in Fig. 4.
Detailed description of the invention
(embodiment 6)
The present embodiment is a kind of safety double-sensing electronic scale, as shown in Fig. 1 to Fig. 6, including support board 1, Yi Jisi
The individual LOAD CELLS assembly 2 for weighing support board carrier weight；In the present embodiment, the shape of support board is square, adopts
Make with glass or fiberglass；Four LOAD CELLS assemblies are evenly distributed at support board diapire corner.In the present embodiment,
The diapire of support board is as leading power pressure contact portion 10.
In the present embodiment, each LOAD CELLS assembly mainly includes that first precision force cell the 8, second precision dynamometry passes
Sensor 9, have the first support 40 the first supporting member 4, have the second support 50 the second supporting member 5 and
Spike 6.
As shown in Fig. 4 to Fig. 6, in the present embodiment, the first precision force cell 8 includes the first fixed part 81, first
Elastic load portion 82 and be arranged on the resistance strain gage (being not drawn on figure) in the first elastic load portion；The present embodiment
In, after the first fixed part 81 is fixing, the first elastic load portion 82 becomes unsettled setting, thus elastic shape occurs after stress
Become, and then by resistance strain gage, the deformation of self is converted into the signal of telecommunication.First precision force cell in the present embodiment
The range of 8 is 0 kilogram to 180 kilograms, and precision (also referred to as scale division value) is 100 grams, is mainly used in weighing persons body
Weight.
Second precision force cell 9 includes the second elastic load portion 92 of fixed part 91, second and is arranged on second
Resistance strain gage (being not drawn on figure) in elastic load portion；The shape of the second precision force cell 9 in the present embodiment
Shape approximation " G font ", the shape of the first precision force cell 8 then with the second precision force cell 9 symmetry
" anti-G font ", certainly, the first precision force cell 8 and the second precision force cell 9 make other shape also
It is feasible.After second fixed part 91 is fixing, the second elastic load portion 92 becomes unsettled setting, thus after stress
There is elastic deformation, and then by resistance strain gage, the deformation of self is converted into the signal of telecommunication.Second precision in the present embodiment
The range of force cell 9 is 0 to 20 kilogram, and precision is 1 gram, is mainly used in kitchen articles and weighs.
Specifically, in the present embodiment, the concrete structure of each LOAD CELLS assembly 2 is as follows: as shown in Figure 2, including moulding
Expect pedestal 21, the containing cavity 22 being arranged in plastic base, cover containing cavity bottom end opening and there is centre bore 231
Spring lid the 23, first precision force cell the 8, second precision force cell 9, there is the first of the first support 40
Supporting member 4, second supporting member 5 with the second support 50 and a spike 6.
A spike 6 in the present embodiment includes the support column 61 being positioned in centre bore 231, is arranged on support column 61 bottom
Slipmat 62, be arranged on the mounting seat 63 with draw-in groove on support column top；First elastic load portion 82 and the second bullet
Property load portion 92 is fixed in the draw-in groove of mounting seat.
In the present embodiment, the first supporting member 4 includes columned support column 41 and is arranged on the load-bearing on support column 41 top
Plate 7, bearing plate is provided with support holes 71, and each second supporting member is connected to the diapire of support board through a corresponding support holes
On；Bearing plate 7 is as the first support 40 of the first supporting member, and the top of support column 41 is bonded and fixed at bearing plate
On diapire.In concrete practice, the first supporting member may be used without elastic supporting piece, it is contemplated that the amount in the first elastic load portion
Journey is greater than the range in the second elastic load portion, so the first supporting member is when using elastic supporting piece, its coefficient of elasticity is wanted
Coefficient of elasticity more than the second supporting member.
In the present embodiment, the second supporting member 5 is under external force, the elastic bearing that self whole height can change
Part；The concrete structure of each second supporting member 5 is as follows: includes briquetting 54, elastic plate 55, have spacing slide opening 561
Locating part 56；The basic configuration of briquetting 52 is cylindric, and the second spring plank 27 is set in briquetting by its spacing hole 271
On the periphery wall of 52；Locating part 56 is fixedly installed on support board diapire；Elastic plate 55 include upper bearing plate portion 551,
Lower support plate portion 552, connection upper bearing plate portion 551 and the elastic plate portion 553 in lower support plate portion 552, elastic plate portion 553
Support board relatively is obliquely installed；Lower support plate portion 552 crimps and is fixedly installed on briquetting 52 top, upper bearing plate portion
551, as the second support 50, are connected on support board diapire, and can reciprocatingly slide at the spacing slide opening 561 of locating part.
In order to preferably spacing to the first supporting member and the second supporting member in the containing cavity 22 of pedestal, also in containing cavity
It is provided with first spring plank 26 with hole 261, location for positioning the first supporting member 4 and for location the second supporting
Second spring plank 27 with spacing hole 271 of part 5.
In the present embodiment, in spring lid the 23, first spring plank 26 and the second spring plank 27 are equipped with inner ring, outer ring and connect
Four spiral arm between circle and outer ring, centre bore 231, hole 261, location or spacing hole 271 are arranged on inner ring, outward
Circle is fixedly installed on containing cavity inwall；The spring lid of this structure in use, is possible to prevent plastic base and support column 61
Between transmit pressure.First spring plank of this structure in use, is possible to prevent the first supporting member self pressure experienced
Plastic base 21 is passed to, it is to avoid weighing error occurs in the first elastic load portion by the first spring plank；The second of this structure
Spring plank in use, is possible to prevent the second supporting member that self pressure experienced is passed to pedestal by the second spring plank, it is to avoid
There is weighing error in second elastic load portion.
First spring plank is set on the periphery wall of the first supporting member 4 by its hole 261, location, the neighboring of the first spring plank
It is fixedly installed on the inwall of containing cavity 22.Additionally, the first spring plank is not in order to affect the second supporting member, it is additionally provided with
One breach 262, the second supporting member is positioned in this first breach 262.
Second spring plank is set on the periphery wall of Lower bearing portions by its spacing hole 271, and the neighboring in the second diving board portion is solid
Surely it is arranged on the inwall of containing cavity 22.Additionally, the second spring plank is not in order to affect the first supporting member, it is additionally provided with second and lacks
Mouth 272, the first supporting member is positioned in this second breach 272.
Under free state, namely when support board does not carries object, support board under the supporting role of elastic supporting piece, as
The support board diapire leading power pressure contact portion 10 exceeds the first support；Now the first elastic load portion is not by support board
Pressure, does not play the effect of weighing.
When, after support board carrying object, elastic plate pressurized generation elastic deformation, self whole height diminishes, and support board drives
It is led to defeat and connects subordinate's shifting；Upper bearing plate portion is owing to can slide in spacing slide opening, it is possible in the deformation of elastic plate
During, keep overall balance；By selecting suitable elastic plate, carrier body weight can be made less than 20,000
Gram time, the diapire of support board exceeds the first support all the time, should during, the present embodiment can make as electronic scale
With.
When support board carrier body weight is more than 20 kilograms, namely the maximum rated range in elastic load portion more than second
Time, support board moves down until it leads power pressure contact portion is crimped on the first support and the second support simultaneously, now the first bullet
Property load portion and the second elastic load portion all there is elastic deformation, and by resistance strain gage, respective deformation quantity is converted into
The signal of telecommunication, by the intelligence computation of circuit, can calculate carrier weight now, so now the present embodiment is the most permissible
Use as scale.
Force cell in the present embodiment, can be made by impact style batch, and its price is the cheapest, effectively reduces
The manufacturing cost of the present embodiment.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not to this
The restriction of the embodiment of invention.For those of ordinary skill in the field, the most also may be used
To make other changes in different forms.Here without also cannot all of embodiment be given exhaustive.And this
Belong to obvious change that the connotation of the present invention extended out a bit or variation still falls within protection scope of the present invention.
Claims (4)
1. a safety double-sensing electronic scale, including support board and for weighing the biography of weighing of support board carrier weight
Sensor assembly；It is characterized in that: support board is provided with leads power pressure contact portion；Each LOAD CELLS assembly include plastic base,
The containing cavity that is arranged in plastic base, cover containing cavity bottom end opening and there is the spring lid of centre bore, the first precision is surveyed
Force transducer, the second precision force cell, there is the first supporting member of the first support, have the of the second support
Two supporting members and a spike；First precision force cell includes the first fixed part and the first elastic load portion；Second precision
Force cell includes the second fixed part and the second elastic load portion；Prop up spike to include the support column being positioned in centre bore, set
Put the slipmat in support column bottom, be arranged on the mounting seat with draw-in groove on support column top；First elastic load portion and
Second elastic load portion is fixed in the draw-in groove of mounting seat；First supporting member includes columned support column and is arranged on
The bearing plate on support column top, bearing plate is provided with support holes, and each second supporting member is connected to through a corresponding support holes
On the diapire of support board；Bearing plate is bonded and fixed at load-bearing as the first support of the first supporting member, the top of support column
On the diapire of plate；Second supporting member includes briquetting, elastic plate, has the locating part of spacing slide opening；The basic configuration of briquetting
For cylindric, the second spring plank is set on the periphery wall of briquetting by its spacing hole；Locating part is fixedly installed at the bottom of support board
On wall；Elastic plate includes upper bearing plate portion, lower support plate portion, connects upper bearing plate portion and the elastic plate portion in lower support plate portion,
Elastic plate portion is obliquely installed relative to support board；Lower support plate portion crimps and is fixedly installed on briquetting top, upper bearing plate portion
As the second support, it is connected on support board diapire, and can reciprocatingly slide at the spacing slide opening of locating part；Free state
Under, support board crimping is arranged on the second support of the second supporting member, and power of the leading pressure contact portion of support board exceeds first
First support of bearing member；On support board carry object time, support board stress drive its lead defeat connect subordinate move, work as carrying
After weight of object exceedes to a certain degree, the leading of support board is defeated and is met subordinate and move to be crimped on the first support.
Safety double-sensing electronic scale the most according to claim 1, it is characterised in that: containing cavity is provided with use
In positioning first spring plank with hole, location of the first supporting member and for positioning the spacing hole that has of second supporting member
Second spring plank；First spring plank is located on the periphery wall of the first supporting member by its location borehole jack, the neighboring of the first spring plank
It is fixedly installed on the inwall of containing cavity；Second spring plank is set on the periphery wall of Lower bearing portions by its spacing hole, and second
The neighboring in diving board portion is fixedly installed on the inwall of containing cavity.
Safety double-sensing electronic scale the most according to claim 2, it is characterised in that: the first spring plank is additionally provided with
First breach, the second supporting member is positioned in this first breach；Second spring plank is additionally provided with the second breach, and the first supporting member is positioned at
In this second breach.
Safety double-sensing electronic scale the most according to claim 1, it is characterised in that: the first supporting member is rigidity
Supporting member or elastic supporting piece；Under external force, self whole height changes in the range of elastic deformation second supporting member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610098361.3A CN105937984A (en) | 2016-01-20 | 2016-01-20 | Security type dual-sensing electronic scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610098361.3A CN105937984A (en) | 2016-01-20 | 2016-01-20 | Security type dual-sensing electronic scale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105937984A true CN105937984A (en) | 2016-09-14 |
Family
ID=57152927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610098361.3A Withdrawn CN105937984A (en) | 2016-01-20 | 2016-01-20 | Security type dual-sensing electronic scale |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105937984A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111189521A (en) * | 2020-02-24 | 2020-05-22 | 深圳市晨北科技有限公司 | Weighing sensing device and electronic scale |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86103383A (en) * | 1985-05-15 | 1986-11-19 | 东京电气株式会社 | Multi-range load cell scales |
| CN101666671A (en) * | 2008-09-05 | 2010-03-10 | 宁波柯力电气制造有限公司 | Double range weighing sensor |
| DE102010011033A1 (en) * | 2010-03-11 | 2011-09-15 | Leifheit Ag | Balance e.g. kitchen balance, for use as twin bending joist load cell, has capacitive sensor for monitoring ambient capacitance of electrode arranged in sensor, and supporting plate for receiving mass to be weighed |
| CN203323855U (en) * | 2013-06-07 | 2013-12-04 | 深圳市汇思科电子科技有限公司 | Double scale tray electronic platform scale |
| CN104838243A (en) * | 2014-07-23 | 2015-08-12 | 王雅苹 | Electronic scale |
-
2016
- 2016-01-20 CN CN201610098361.3A patent/CN105937984A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86103383A (en) * | 1985-05-15 | 1986-11-19 | 东京电气株式会社 | Multi-range load cell scales |
| CN101666671A (en) * | 2008-09-05 | 2010-03-10 | 宁波柯力电气制造有限公司 | Double range weighing sensor |
| DE102010011033A1 (en) * | 2010-03-11 | 2011-09-15 | Leifheit Ag | Balance e.g. kitchen balance, for use as twin bending joist load cell, has capacitive sensor for monitoring ambient capacitance of electrode arranged in sensor, and supporting plate for receiving mass to be weighed |
| CN203323855U (en) * | 2013-06-07 | 2013-12-04 | 深圳市汇思科电子科技有限公司 | Double scale tray electronic platform scale |
| CN104838243A (en) * | 2014-07-23 | 2015-08-12 | 王雅苹 | Electronic scale |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111189521A (en) * | 2020-02-24 | 2020-05-22 | 深圳市晨北科技有限公司 | Weighing sensing device and electronic scale |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160914 |