CN104838243B - A kind of electronic scale - Google Patents
A kind of electronic scale Download PDFInfo
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- CN104838243B CN104838243B CN201480002777.XA CN201480002777A CN104838243B CN 104838243 B CN104838243 B CN 104838243B CN 201480002777 A CN201480002777 A CN 201480002777A CN 104838243 B CN104838243 B CN 104838243B
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- precision
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- 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
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- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
A kind of electronic scale, including support board (1), be used for supporting the first precision of support board (1) weigh assembly (2), be used for supporting support board (1) and weigh the second precision of assembly (2) of the first precision is weighed assembly (3) and be used for that self pressure is passed to the second precision and weigh the power of leading part (4) of assembly (2)；First precision assembly (2) of weighing includes elastic supporting piece (21)；Leading power part (4) to be provided with and lead power support (40), support board (1) is provided with leads power pressure contact portion (10)；When support board (1) does not carries object, power of the leading pressure contact portion of support board (1) exceeds the power of leading support (40) leading power part (4)；During support board (1) carrying object, compression elasticity supporting member (21) under support board (1) stress and move down, support board (1) is in stress to after to a certain degree, and it is led power pressure contact portion (10) and is crimped in the power of leading support (40) leading power part (4).While the present invention is except having concurrently as body weight electronic scale and electronic scale, moreover it is possible to when the weight carrying object exceedes the maximum range of electronic scale, effectively prevent from damaging electronic scale.
Description
Technical field
The invention belongs to electronic balance structure design field, be specifically related to a kind of electronic scale.
Background technology
Body weight electronic scale in the market, its structure mainly includes support board, display screen, regulation switch, power module and forms for supporting the LOAD CELLS of support board, its function is mainly used in human body of weighing, and be usually after carrier body weight exceedes preset value, display screen just starts to show numerical value, and this preset value is usually 5 kilograms；It addition, the maximum range of this kind of body weight electronic scale is usually 180 kilograms, scale division value is 100 grams, and error is relatively big, so this traditional body weight electronic scale is 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, uses so cannot function as scale.The most also having scale division value to can reach 2 grams, range can reach the electronic scale of 150 kilograms, is to use the force cell that precision is higher and range is bigger to make, but its price is much more expensive, it is impossible to be 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 electronic scale of electronic scale that precision is high.
The first technical scheme realizing the object of the invention is: a kind of electronic scale, weighs assembly including support board, for supporting the first precision of support board；It is characterized in that: also include for supporting support board and weigh the second precision of assembly of the first precision is weighed assembly and weighing power of the leading part of assembly for self pressure is passed to the second precision；First precision assembly of weighing includes elastic supporting piece；The power part of leading is provided with leads power support, and support board is provided with leads power pressure contact portion；When support board does not carries object, power of the leading pressure contact portion of support board exceeds power of the leading support leading power part；During support board carrying object, compression elasticity supporting member under support board stress and move down, support board is in stress to after to a certain degree, and it is led power pressure contact portion and is crimped on power of the leading support leading power part.
In such scheme, during power of the leading pressure contact portion stress of support board moves down until being crimped on and leading on power of the leading support of power part, elastic supporting piece is in elastic deformation state.
The second technical scheme realizing the object of the invention is: a kind of electronic scale, weighs assembly including support board, for supporting the first precision of support board；It is characterized in that: also include for supporting support board and weigh the second precision of assembly of the first precision is weighed assembly and weighing power of the leading part of assembly for self pressure is passed to the second precision；First precision assembly of weighing includes elastic supporting piece；The power part of leading includes that the diapire of support board is as leading power pressure contact portion as the bearing plate with support holes leading power support；Each first precision weigh assembly through corresponding support holes apical grafting on support board diapire；When support board does not carries object, power of the leading pressure contact portion of support board exceeds power of the leading support leading power part；During support board carrying object, compression elasticity supporting member under the diapire stress of support board and move down, support board is in stress to after to a certain degree, and it is led power pressure contact portion and is crimped on power of the leading support leading power part.
In such scheme, during power of the leading pressure contact portion stress of support board moves down until being crimped on and leading on power of the leading support of power part, elastic supporting piece is in elastic deformation state.
The third technical scheme realizing the object of the invention is: a kind of electronic scale, weighs assembly including support board, for supporting the first precision of support board；It is characterized in that: also include for supporting support board and weigh the second precision of assembly of the first precision is weighed assembly and weighing power of the leading part of assembly for self pressure is passed to the second precision；First precision assembly of weighing includes elastic supporting piece and the first precision force cell；Second precision assembly of weighing includes the second precision force cell；The power part of leading is provided with leads power support, and support board is provided with leads power pressure contact portion；Support board crimping is arranged on elastic supporting piece, and elastic supporting piece crimping is arranged on the first precision force cell, and the first precision force cell directly crimps to be arranged on the second precision force cell or crimp to be arranged on and leads on power part；When support board does not carries object, power of the leading pressure contact portion of support board exceeds power of the leading support leading power part；During support board carrying object, compression elasticity supporting member under support board stress and move down, support board is in stress to after to a certain degree, and it is led power pressure contact portion and is crimped on power of the leading support leading power part.
In such scheme, the second precision assembly of weighing also includes the spike for supporting the second precision force cell, and the bottom of a spike is the least significant end of this electronic scale.
In such scheme, during power of the leading pressure contact portion stress of support board moves down until being crimped on and leading on power of the leading support of power part, elastic supporting piece is in elastic deformation state.
The 4th kind of technical scheme realizing the object of the invention is: a kind of electronic scale, weighs assembly including support board, for supporting the first precision of support board；It is characterized in that: also include for supporting support board and weigh the second precision of assembly of the first precision is weighed assembly and weighing power of the leading part of assembly for self pressure is passed to the second precision；First precision assembly of weighing includes elastic supporting piece and the first precision force cell；Second precision assembly of weighing includes the second precision force cell；The power part of leading is provided with leads power support, and support board is provided with leads power pressure contact portion；Support board crimping is arranged on the first precision force cell, and the first precision force cell crimping is arranged on elastic supporting piece, and elastic supporting piece directly crimps to be arranged on the second precision force cell or crimp to be arranged on and leads on power part；When support board does not carries object, power of the leading pressure contact portion of support board exceeds power of the leading support leading power part；During support board carrying object, compression elasticity supporting member under support board stress and move down, support board is in stress to after to a certain degree, and it is led power pressure contact portion and is crimped on power of the leading support leading power part.
In such scheme, the second precision assembly of weighing also includes the spike for supporting the second precision force cell, and the bottom of a spike is the least significant end of this electronic scale.
In such scheme, during power of the leading pressure contact portion stress of support board moves down until being crimped on and leading on power of the leading support of power part, elastic supporting piece is in elastic deformation state.
The 5th kind of technical scheme realizing the object of the invention is: a kind of electronic scale, weighs assembly including support board, for supporting the first precision of support board；It is characterized in that: also include for supporting support board and weigh the second precision of assembly of the first precision is weighed assembly and weighing power of the leading part of assembly for self pressure is passed to the second precision；First precision assembly of weighing includes elastic supporting piece and the first precision force cell；Elastic supporting piece includes screw thread spring, the upper supporting part being arranged on screw thread spring top and is arranged on the lower supporting part of screw thread spring bottom end；Second precision assembly of weighing includes the second precision force cell；The power part of leading is provided with leads power support, and support board is provided with leads power pressure contact portion；Elastic supporting piece is arranged on above or below the first precision force cell；When above elastic supporting piece is arranged on the first precision force cell, support board crimping is arranged on upper supporting part, and lower supporting part crimping is arranged on the first precision force cell, and the first precision force cell crimping is arranged on the second precision force cell；When elastic supporting piece is arranged on below the first precision force cell, support board crimping is arranged on the first precision force cell, and the first precision force cell crimping is arranged on upper supporting part, and lower supporting part crimping is arranged on the second precision force cell；When support board does not carries object, power of the leading pressure contact portion of support board exceeds power of the leading support leading power part；During support board carrying object, compression elasticity supporting member under support board stress and move down, support board is in stress to after to a certain degree, and it is led power pressure contact portion and is crimped on power of the leading support leading power part.
In such scheme, during power of the leading pressure contact portion stress of support board moves down until being crimped on and leading on power of the leading support of power part, screw thread spring is in elastic deformation state.
The present invention in use, while having concurrently as body weight electronic scale and electronic scale, moreover it is possible to when the weight carrying object exceedes the maximum range of electronic scale, effectively prevents from damaging electronic scale.It addition, the present invention can use existing cheap force cell on market to make, so greatly reducing cost, it is easy to universal.
Accompanying drawing explanation
Fig. 1 is a kind of perspective view of the first structure of the present invention；
Fig. 2 is a kind of perspective view when another angle is observed of the electronic scale shown in Fig. 1；
Fig. 3 is that electronic scale shown in Fig. 1 is as a kind of structural representation during electronic scale；
Fig. 4 is a kind of close-up schematic view in Fig. 3 at A；
Fig. 5 is that electronic scale shown in Fig. 1 is as a kind of structural representation during body weight electronic scale；
Fig. 6 is a kind of close-up schematic view in Fig. 5 at B；
Fig. 7 is a kind of perspective view of the first precision force cell in electronic scale shown in Fig. 1；
Fig. 8 is a kind of perspective view when another angle is observed of the first precision force cell shown in Fig. 7；
Fig. 9 is a kind of perspective view of the second precision force cell in electronic scale shown in Fig. 1；
Figure 10 is a kind of perspective view when another angle is observed of the second precision force cell shown in Fig. 9；
Figure 11 is a kind of side-looking structural representation of the second structure of the present invention；
Figure 12 is the close-up schematic view in Figure 11 at C；
Figure 13 is a kind of side-looking structural representation when being in another state of the electronic scale shown in Figure 11；
Figure 14 is a kind of perspective view of the third structure of the present invention；
Figure 15 is a kind of explosive view of electronic scale shown in Figure 14；
Figure 16 is a kind of side-looking structural representation of electronic scale shown in Figure 14；
Figure 17 is the close-up schematic view in Figure 16 at D；
Figure 18 is a kind of side-looking structural representation when being in another state of the electronic scale shown in Figure 16；
Figure 19 is a kind of side-looking structural representation of the 4th kind of structure of the present invention；
Figure 20 is the close-up schematic view in Figure 19 at E；
Figure 21 is a kind of side-looking structural representation when being in another state of the electronic scale shown in Figure 19；
Figure 22 is a kind of side-looking structural representation of the 5th kind of structure of the present invention；
Figure 23 is the close-up schematic view in Figure 22 at F；
Figure 24 is a kind of side-looking structural representation when being in another state of the electronic scale shown in Figure 22；
Figure 25 is a kind of side-looking structural representation of the 6th kind of structure of the present invention；
Figure 26 is the close-up schematic view in Figure 25 at G；
Figure 27 is a kind of side-looking structural representation when being in another state of the electronic scale shown in Figure 25；
Figure 28 is a kind of side-looking structural representation of the 7th kind of structure of the present invention；
Figure 29 is a kind of side-looking structural representation when being in another state of the electronic scale shown in Figure 28；
Figure 30 is a kind of side-looking structural representation of the 8th kind of structure of the present invention；
Figure 31 is a kind of side-looking structural representation when being in another state of the electronic scale shown in Figure 30；
Figure 32 is a kind of side-looking structural representation of the 9th kind of structure of the present invention；
Figure 33 is the close-up schematic view in Figure 32 at H；
Figure 34 is a kind of side-looking structural representation when being in another state of the electronic scale shown in Figure 32；
Figure 35 is a kind of side-looking structural representation of the tenth kind of structure of the present invention；
Figure 36 is the close-up schematic view in Figure 35 at I；
Figure 37 is a kind of side-looking structural representation when being in another state of the electronic scale shown in Figure 35；
Figure 38 is a kind of side-looking structural representation of the 11st kind of structure of the present invention.
Detailed description of the invention
(embodiment 1): the present embodiment is a kind of double precision electronic scale, as shown in Fig. 1 to Figure 10, including support board 1, display screen 11, regulation switch 12, for support four the first precision of support board weigh assembly 2, for supporting support board and weigh four the second precision of assembly of the first precision are weighed assembly 3 and lead power part 4 for self pressure is passed to weigh four of assembly of the second precision.
In the present embodiment, the weigh concrete structure of assembly 3 of the second precision is as follows: a spike 32 on the second precision force cell 31 of the deck 34 including having storage tank 33 and draw-in groove, the second precision force cell 31 being arranged in draw-in groove, apical grafting, covers storage tank 33 bottom opening and has the spring lid 35 of center positioning hole 351；Spike 32 in the present embodiment includes that cylindrical metal props up bracer 321 and is bonded in the slipmat 322 of bracer 321 bottom, and described bracer 321 is arranged in the center positioning hole of spring lid, slipmat low go out spring lid.In the present embodiment, the bottom of slipmat, as the bottom of a spike, is the least significant end of the present embodiment.Described spring, the concrete structure of 35 is to include inner ring, outer ring and connect inner ring and a plurality of spiral arm of outer ring, center positioning hole is arranged on inner ring, its effect is that positioning metal props up bracer, allow metal support block that self pressure is transmitted vertically downward, the most also avoiding deck that self pressure is directly passed to metal support block by spring lid, owing to its structure and technique effect are well known to those skilled in the art already, it is no longer carefully stated by the present embodiment.
Power of leading part 4 in the present embodiment includes being provided with the diapire 41 of buckling groove, enclosing the tubular support wall 42 forming vestibule, the locating surface being arranged on tubular support wall inwall, this locating surface is a horizontal annular face being radially arranged along tubular support wall 42, and diapire 41 crimping leading power part is arranged on deck 34 top.
In the present embodiment, the top of tubular support wall 42 is as leading power support 40, and the diapire of support board is as leading power pressure contact portion 10.
In the present embodiment, each first precision assembly 2 of weighing is arranged in a corresponding vestibule leading power part 4, and its concrete structure is as follows: includes elastic supporting piece the 21, first precision force cell 22 and has the elastomeric cap 24 of center spacing hole 241；Described elastic supporting piece includes screw thread spring 211, the upper supporting part 212 being arranged on screw thread spring top, is arranged on the lower supporting part 213 of screw thread spring bottom end, and screw thread spring is connected by trip bolt respectively with upper supporting part and lower supporting part；The neighboring of elastomeric cap crimps and is bonded and fixed on the locating surface leading power part, and lower supporting part 213 is arranged in the center spacing hole 241 of elastomeric cap, and upper supporting part is bonded and fixed on support board diapire.The concrete structure of described elastomeric cap 24 and the similar above-mentioned spring lid 35 of technique effect, also include inner ring, outer ring and connect inner ring and a plurality of spiral arm of outer ring, center spacing hole 241 is arranged on inner ring, its effect is to position the lower supporting part in spacing hole at its center, allow lower supporting part that self pressure is transmitted vertically downward, the most also lower supporting part is avoided self pressure directly to be passed to lead the tubular support wall of power part by elastomeric cap, owing to its structure and technique effect are well known to those skilled in the art already, it is no longer carefully stated by the present embodiment.
First precision force cell 22 is arranged in the buckling groove leading power part diapire 41, and the diapire of lower supporting part is crimped on the first precision force cell.
In the present embodiment, as shown in Fig. 7 and Fig. 8, the first precision force cell 22 is conventional Weighing module for kitchen use, and its range is 0 to 20 kilogram, and scale division value is 1 gram；This first precision force cell includes the first fixed part the 221, first load deformations 222 and the first resistance strain gage 223.First fixed part of this first precision force cell is fixed in the buckling groove leading power part diapire 41, and the lower supporting part in elastic supporting piece is crimped in the first load deformations.
In the present embodiment, as shown in Fig. 9 and Figure 10, the second precision force cell 31 is conventional body weight weighing sensor, and its range is 5 kilograms to 180 kilograms, and scale division value (also referred to as precision) is 100 grams；This second precision force cell 31 includes the second fixed part the 311, second load deformations 312 and the second resistance strain gage 313.Second fixed part 311 of this second precision force cell is fixed in the draw-in groove of deck 34, and bracer 321 apical grafting is in the second load deformations 312.
In the present embodiment, the first precision force cell used and the second precision force cell can use the most widely circulation and the cheapest force cell of price, thus effectively reduce manufacturing cost.
Under free state, namely when not placing carrying object on support board, in elastic supporting piece, the top of upper supporting part exceeds and leads the top of tubular support wall 42 in power part, so that the diapire 10 of support board exceeds the top leading power part.When placing carrying object and carrier on support board heavily less than 20 kilograms, by selecting suitable screw thread spring, can make support board in stress folding process, support board diapire exceeds all the time leads power part, and within the scope of being in the elastic deformation of screw thread spring.Support board passes to the first precision force cell whole pressure of carrying object by elastic supporting piece, pass to the second precision force cell the most again, now by regulation switch or intelligent control circuit can make display screen show the first precision weigh assembly weigh weight amount, ignore the second precision to weigh the weighing numerical value of assembly, weighing precision during Gai can reach 1 gram, so the present embodiment can use as electronic scale.
When carrier body weight is more than 20 kilograms, support board will move down until being crimped on and leading on power part, specifically as on the upper supporting part that the support board diapire leading power pressure contact portion 10 is crimped on the top as the tubular support wall 42 leading power support 40 and the first precision is weighed in assembly simultaneously.Its operation principle is: support board passes to the first precision force cell the partial pressure of carrying object by elastic supporting piece, passes to the second precision force cell the most again；Support board is also directly passed to the second precision force cell remaining pressure of carrying object by leading power part simultaneously, due to during this, the deformation of elastic supporting piece will not increase again, also will not increase again so passing to the partial pressure of the first precision force cell by elastic supporting piece, by selecting suitable screw thread spring, this partial pressure elastic deformation tolerance range not over the first precision force cell can be made, namely the first precision force cell will not be damaged.Now by regulation switch or intelligent control circuit can make display screen show the second precision weigh assembly weigh weight amount, ignore the first precision to weigh the weighing numerical value of assembly, weighing precision during Gai can reach 100 grams, so the present embodiment is also used as body weight electronic scale and uses.
(embodiment 2): the present embodiment is substantially the same manner as Example 1, difference is: as shown in Figure 11 to Figure 13, the deck 34 that power of leading part 4 in the present embodiment and the second precision are weighed in assembly is made into integration by injection molding, compared with Example 1, power of leading part in the present embodiment is no longer separately provided diapire 41, but directly using the roof of deck 34 as power of the leading part diapire 41 in embodiment 1.
It addition, the weigh concrete structure of assembly of the first precision is as follows in the present embodiment: include being provided with draw-in groove and containing cavity mounting seat 27, cover containing cavity bottom end opening in mounting seat and there is central bore elastic closure 28, be positioned in containing cavity and the first precision force cell 22 of being connected in draw-in groove and elastic supporting piece 21.The top of mounting seat 27 is bonded and fixed on support board diapire；Elastic supporting piece 21 includes screw thread spring 211, upper supporting part 212 and lower supporting part 213, the top of upper supporting part is arranged in the central bore of elastomeric cap, and apical grafting is on the first precision force cell, lower supporting part crimping is arranged on the deck 34 that the second precision is weighed in assembly.Under free state, the weigh top of assembly 2 of the first precision exceeds power of the leading support 40 leading power part.In the present embodiment, the first fixed part 2221 that the first precision is weighed in assembly is connected in the draw-in groove of placement seat, and the first load deformations 222 crimps on the top of upper supporting part 212.Elastomeric cap 24 in the concrete structure of described elastic closure 28 and the similar embodiment of technique effect 1, also include inner ring, outer ring and connect inner ring and a plurality of spiral arm of outer ring, central bore is arranged on inner ring, its effect is to position the upper supporting part in spacing hole at its center, allow upper supporting part that self pressure is transmitted vertically downward, the most also avoid mounting seat pressure not to be directly passed to upper supporting part by spring lid；Owing to its structure and technique effect are well known to those skilled in the art already, it is no longer carefully stated by the present embodiment.
The operation principle of the present embodiment is: when the pressure carrying object suffered by support board is less than the maximum range of the first precision force cell, power of the leading pressure contact portion 10 of support board exceeds power of the leading support 40 leading power part all the time, first support board passes to the first precision force cell whole pressure of carrying object, the second precision force cell is passed to then through elastic supporting piece, now by regulation switch or intelligent control circuit can make display screen show the first precision weigh assembly weigh weight amount, ignore the second precision to weigh the weighing numerical value of assembly, weighing precision during Gai can reach 1 gram, so the present embodiment can use as electronic scale.When carrying the pressure of object suffered by support board more than the maximum range of the first precision force cell, power of the leading pressure contact portion 10 of support board is crimped on simultaneously leads power of the leading support 40 of power part and the first precision is weighed on assembly；Support board passes to elastic supporting piece the partial pressure of carrying object by the first precision force cell, passes to the second precision force cell the most again；Support board is also directly passed to the second precision force cell remaining pressure of carrying object by leading power part simultaneously, due to during this, the deformation of elastic supporting piece will not increase again, so support board is applied to the pressure on the first accurate sensor and will not increase again, by selecting suitable screw thread spring, this partial pressure elastic deformation tolerance range not over the first precision force cell can be made, namely the first precision force cell will not be damaged.Now by regulation switch or intelligent control circuit can make display screen show the second precision weigh assembly weigh weight amount, ignore the first precision to weigh the weighing numerical value of assembly, weighing precision during Gai can reach 100 grams, so the present embodiment is also used as body weight electronic scale and uses.
By the contrast of the present embodiment Yu embodiment 1, may certify that the position of elastic supporting piece can be diversified, it is not necessary to be limited to a certain particular location.
(embodiment 3)
The present embodiment is substantially the same manner as Example 1, difference is: as shown in Figure 14 to Figure 18, the present embodiment also in leading power part the top of tubular support wall be provided with the square bearing plate 5 with four circular support holes 51, this bearing plate is in the present embodiment as leading power of the leading support 40 of power part, and support board diapire is still as leading power pressure contact portion 10.
In a free state, the upper supporting part 212 of each elastic supporting piece through a corresponding support holes 51 and is bonded and fixed on support board diapire the present embodiment, so that power of the leading pressure contact portion 10 of support board is higher than power of the leading support 40 leading power part；After on support board, carrier body weight exceedes to a certain degree, support board moves down and is crimped on bearing plate, namely power of the leading pressure contact portion 10 of support board is crimped on power of the leading support 40 leading power part.
In the present embodiment, the shape of bearing plate 5 is straight tabular, and its area is more than support board.It practice, the bearing plate in the present embodiment serves not only as leading power of the leading support 40 of power part, it is alternatively arranged as assisting support board to use；Such as when weighing wisp, being directly placed on support board 1 weighing, as when using for weighing scale, then stand directly on and weigh on bearing plate 5, because sole is the dirtiest, this occupation mode can avoid support board 1 of making dirty.
It addition, display screen 11 and regulation switch 12 in embodiment 1 are arranged on support board, the present embodiment is then provided on bearing plate.
The operation principle of the present embodiment is: when the pressure carrying object suffered by support board is less than the maximum range of the first precision force cell, power of the leading pressure contact portion 10 of support board exceeds power of the leading support 40 leading power part all the time, first support board passes to elastic supporting piece whole pressure of carrying object, passing to the second precision force cell then through the first precision force cell, now the present embodiment can use as electronic scale.
When carrying the pressure of object suffered by support board more than the maximum range of the first precision force cell, power of the leading pressure contact portion 10 of support board is crimped on simultaneously leads power of the leading support 40 of power part and the first precision is weighed on assembly；Support board passes to the first precision force cell the partial pressure of carrying object by elastic supporting piece, passes to the second precision force cell the most again；Support board is also directly passed to the second precision force cell remaining pressure of carrying object by leading power part simultaneously, and now the present embodiment is also used as body weight electronic scale use.
(embodiment 4): the present embodiment is substantially the same manner as Example 3, and difference is: as shown in Figure 19 to Figure 21, in the present embodiment, leading power part 4 is that crimping is arranged on the bearing plate 5 that the second precision is weighed on assembly 3；This bearing plate 5 include four be arranged on, for crimping, crimping plate district 52 that the second precision weighs on assembly 3 and four recessed for disposing the first precision to weigh the resettlement groove 53 of assembly 2, the roof of this bearing plate 5 is as leading power support 40；The diapire of support board is still as leading power pressure contact portion 10.In the present embodiment, each resettlement groove 53 deviates the second precision and weighs assembly, make the first precision weigh assembly 2 and the second precision assembly 3 of weighing forms the form mutually staggered and arranges, namely the assembly 2 of weighing of each first precision precision in the present embodiment is no longer arranged on the second precision and weighs the surface of assembly 3, this structure can reduce whole height.
In the present embodiment, the weigh roof of the deck 34 in assembly of each second precision is directly bonded and fixed at bearing plate 5 and crimps on the diapire in plate portion 52.
In the present embodiment, each first precision assembly 2 of weighing is arranged in a corresponding resettlement groove 53, and the weigh concrete structure of assembly 2 of each first precision is as follows: includes elastic supporting piece the 21, first precision force cell 22 and has the elastomeric cap 24 of center spacing hole 241；Described elastic supporting piece includes screw thread spring 211, the upper supporting part 212 being arranged on screw thread spring top, is arranged on the lower supporting part 213 of screw thread spring bottom end；The top of upper supporting part is bonded and fixed on support board diapire, and lower supporting part is arranged in the center spacing hole of elastomeric cap, and the bottom crimping of lower supporting part is arranged on the first precision force cell 22.Under free state, upper supporting part 212 exceeds resettlement groove 53, so that support board diapire exceeds bearing plate.
In the present embodiment, each resettlement groove 53 is provided with horizontally disposed locating surface, each resettlement groove diapire 531 is additionally provided with locating groove；The diapire of elastomeric cap neighboring is bonded and fixed on this locating surface, and the first fixed part 221 of the first precision force cell fixes and crimps and is arranged in locating groove, and lower supporting part is crimped in the first load deformations 222.
The operation principle of the present embodiment is: when the pressure carrying object suffered by support board is less than the maximum range of the first precision force cell, power of the leading pressure contact portion 10 of support board exceeds power of the leading support 40 leading power part all the time, support board first passes through elastic supporting piece whole pressure of carrying object and passes to the first precision force cell, passing to the second precision force cell then through leading power part 4, now the present embodiment can use as electronic scale.
When carrying the pressure of object suffered by support board more than the maximum range of the first precision force cell, power of the leading pressure contact portion 10 of support board is crimped on simultaneously leads power of the leading support 40 of power part and the first precision is weighed on assembly；Support board passes to the first precision force cell the partial pressure of carrying object by elastic supporting piece, passes to the second precision force cell then through the power part of leading；Support board is also directly passed to the second precision force cell remaining pressure of carrying object by leading power part simultaneously, and now the present embodiment can use as body weight electronic scale.
It addition, from the point of view of accompanying drawing 19 to Figure 21, in the present embodiment, the size of bearing plate is identical with support board,；But in concrete practice, it is possible to support board is made less, bearing plate is made bigger so that bearing plate serves not only as leading power part and uses, and is alternatively arranged as assisting support board to use；Such as when weighing wisp, being directly placed on support board 1 weighing, as when using for weighing scale, then stand directly on and weigh on bearing plate 5, because sole is the dirtiest, this occupation mode can avoid support board 1 of making dirty.
(embodiment 5): the present embodiment is substantially the same manner as Example 4, difference is: as shown in Figure 22 to Figure 24, in the present embodiment, leading power part 4 is that split is arranged, including being provided with support holes 51 and the bearing plate 5 in crimping plate district 52 and four seatings 6 being fixed on bearing plate diapire；Each seatings 6 has the placing chamber 61 just arranged a corresponding support holes 51；The diapire 62 of placing chamber is provided with fixing slot, is additionally provided with horizontally disposed confined planes in placing chamber.The roof of bearing plate 5 is still as leading power support 41.
The weigh structure of assembly 2 of the first precision in the present embodiment is substantially the same manner as Example 4, difference is: the diapire of elastomeric cap neighboring is bonded and fixed on this confined planes, and the first precision force cell fixes and crimps in the fixing slot being arranged on placing chamber diapire.Under free state, upper supporting part 212 exceeds bearing plate 5, so that support board diapire exceeds bearing plate.
The present embodiment, by being split into bearing plate 5 and 6 two parts of seatings leading power part 4, can make the present embodiment more easily implement.
(embodiment 6): the present embodiment is substantially the same manner as Example 5, difference is: as shown in Figure 25 to Figure 27, in the present embodiment, power of the leading part 4 in the present embodiment includes bearing plate 5 and the advance expenditure advance expenditure part 7 between pressing plate 29 and bearing plate 5 diapire being provided with support holes 51；In the present embodiment, each advance expenditure part is arranged on the surface of deck 34, certainly advance expenditure part is placed on other places, weighing assembly as long as making bearing plate self pressure can be passed to the second precision by advance expenditure part, being also feasible.In the present embodiment, bearing plate is still as leading power support 40.
In the present embodiment, each first precision weigh assembly 2 include elastic supporting piece 21, the mounting seat 27 being provided with draw-in groove and containing cavity, cover containing cavity bottom end opening in mounting seat and there is central bore 281 elastic closure 28, be positioned in containing cavity and the first precision force cell 22 of being connected in draw-in groove and the cylindric compression leg 23 being arranged in elastic closure central bore 281.Elastic supporting piece 21 includes screw thread spring 211, the upper supporting part 212 being arranged on screw thread spring top and is arranged on the lower supporting part 213 of screw thread spring bottom end, the top of upper supporting part is through a corresponding support holes 51 and is bonded and fixed on support board diapire, lower supporting part crimping is fixed on the roof of mounting seat 27, first precision force cell 22 crimping is arranged on compression leg 23, and compression leg then crimps and is arranged on pressing plate 29.
In the present embodiment, the first fixed part 221 in the first precision force cell 22 fixes in the draw-in groove of mounting seat roof, and the first load deformations 222 crimping is arranged on the top of compression leg 23.
Pressing plate 29 in the present embodiment is square, is integral piece, and at its corner, crimping is fixed on four the second precision and weighs in assembly on the roof of deck 34.Advance expenditure part 7 is arranged between pressing plate and bearing plate.
The operation principle of the present embodiment is: when the pressure carrying object suffered by support board is less than the maximum range of the first precision force cell, power of the leading pressure contact portion 10 of support board exceeds power of the leading support 40 leading power part all the time, support board first passes through elastic supporting piece whole pressure of carrying object and passes to the first precision force cell, gives the second precision force cell then through 29 pressure transmission of pressing plate；Now the present embodiment can use as electronic scale.
When carrying the pressure of object suffered by support board more than the maximum range of the first precision force cell, power of the leading pressure contact portion 10 of support board is crimped on simultaneously leads power of the leading support 40 of power part and the first precision is weighed on assembly；Support board passes to the first precision force cell the partial pressure of carrying object by elastic supporting piece, gives the second precision force cell then through 29 pressure transmission of pressing plate；Support board is also directly passed to the second precision force cell remaining pressure of carrying object by leading power part simultaneously, and now the present embodiment can use as body weight electronic scale.
(embodiment 7): the present embodiment is substantially the same manner as Example 1, and difference is: as shown in Figure 28 to Figure 29, the present embodiment only includes first precision and weighs assembly and second precision is weighed assembly.
In the present embodiment, the spike 32 that second precision is weighed in assembly 3 is different with embodiment 1, a spike 32 in the present embodiment includes that cylindrical metal props up bracer 321 and the supporting plate 323 being made into integration with a bracer, supporting plate 323 is less than spring lid 35, supporting plate 323 is as the bottom of a spike, being the least significant end of the present embodiment, its Area of bearing is relatively big, the whole electronic scale of support that can be stable.
Additionally, in the present embodiment, the weigh concrete structure of assembly 2 of the first precision is as follows: includes elastic supporting piece the 21, first precision force cell 22, have the elastomeric cap 24 of center spacing hole 241, be arranged on first precision force cell one end and load boss 25 upwardly, be arranged on the first accurate sensor other end and to the support rim 26 of lower process；Described elastic supporting piece includes screw thread spring 211, the upper supporting part 212 being arranged on screw thread spring top, is arranged on the lower supporting part 213 of screw thread spring bottom end；The diapire of elastomeric cap neighboring crimps and is bonded and fixed on the locating surface in tubular support wall 42；The roof of upper supporting part is bonded and fixed on support board diapire；Lower supporting part 213 is arranged in the center spacing hole 241 of elastomeric cap, and the diapire of lower supporting part crimps and is fixed on described load boss 25, and the diapire of support rim 26 crimps and is fixed on deck top.
The first precision force cell in the present embodiment is a kind of cantilevered force cell known to those skilled in the art, and its range is 0 to 20 kilogram, and scale division value is 1 gram.
The operation principle of the present embodiment is: when the pressure carrying object suffered by support board is less than the maximum range of the first precision force cell, power of the leading pressure contact portion 10 of support board exceeds power of the leading support 40 leading power part all the time, support board first passes through elastic supporting piece whole pressure of carrying object and passes to the first precision force cell, gives the second precision force cell then through 26 pressure transmission of support rim；Now the present embodiment can use as electronic scale.
When carrying the pressure of object suffered by support board more than the maximum range of the first precision force cell, power of the leading pressure contact portion 10 of support board is crimped on simultaneously leads power of the leading support 40 of power part and the first precision is weighed on assembly；Support board passes to the first precision force cell the partial pressure of carrying object by elastic supporting piece, gives the second precision force cell then through 26 pressure transmission of support rim；Support board is also directly passed to the second precision force cell remaining pressure of carrying object by leading power part simultaneously, and now the present embodiment can use as body weight electronic scale.
(embodiment 8): the present embodiment is substantially the same manner as Example 7, difference is: as shown in Figure 30 to Figure 31, the deck 34 that power of leading part 4 in the present embodiment and the second precision are weighed in assembly is made into integration by injection molding, compared with Example 1, power of leading part in the present embodiment is no longer separately provided diapire 41, but directly using the roof of deck 34 as power of the leading part diapire 41 in embodiment 1；Additionally, tubular support wall encloses in formation vestibule the most no longer arranges locating surface.
In the present embodiment, the weigh concrete structure of assembly of the first precision is as follows: includes elastic supporting piece 21, cantilevered the first precision force cell 22, be arranged on first precision force cell one end and load boss 25 upwardly, be arranged on the first accurate sensor other end and to the support rim 26 of lower process；Described elastic supporting piece includes screw thread spring 211, the upper supporting part 212 being arranged on screw thread spring top, is arranged on the lower supporting part 213 of screw thread spring bottom end；The roof of load boss 25 is bonded and fixed on support board diapire, and the diapire of support rim 26 crimps and be fixed on the upper supporting part in elastic supporting piece, and lower supporting part crimps and is fixed on the top of deck 34.
(embodiment 9): the present embodiment is substantially the same manner as Example 5, and difference is: as shown in Figure 32 to Figure 34, the present embodiment is provided only with first precision and weighs assembly 2.The weigh concrete structure of assembly 2 of this first precision is as follows: includes elastic supporting piece 21, cantilevered the first precision force cell 22, be arranged on first precision force cell one end and load boss 25 upwardly, be arranged on the first accurate sensor other end and to the support rim 26 of lower process；Described elastic supporting piece includes screw thread spring 211, the upper supporting part 212 being arranged on screw thread spring top, is arranged on the lower supporting part 213 of screw thread spring bottom end；The top of upper supporting part is bonded and fixed on support board diapire, and lower supporting part crimping is arranged on load boss 25, and the diapire crimping of support rim 26 is fixed on the diapire 62 of seatings.
(embodiment 10): the present embodiment is substantially the same manner as Example 1, difference is: as shown in Figure 35 to Figure 37, in the present embodiment, the weigh concrete structure of assembly 2 of the first precision is as follows: includes elastic supporting piece the 21, first precision force cell 22, have the elastomeric cap 24 of center spacing hole 241；Described elastic supporting piece 21 includes elastic rod 214, briquetting 215, has the locating part 217 of limit sliding chutes 216；Locating part 217 is fixed on the diapire of support board, and limit sliding chutes 216 is horizontally disposed with；Elastic rod 214 includes the elastic plate portion 2142 that the anticreep slide plate portion 2141 that can reciprocatingly slide in limit sliding chutes and support board place planar tilt are arranged；The bottom in elastic plate portion is rotationally connected with the top of briquetting 215, and briquetting 215 is arranged in the center spacing hole 241 of elastomeric cap, and the bottom of briquetting is crimped on the first precision force cell 22.The present embodiment can by external smart circuit to the first precision load cells monitor to data carry out error analysis, thus when as electronic scale, obtain the exact value of carrier body weight on support board.
In the present embodiment, lead the tubular support wall in power part to leave enough spaces to the deformation of elastic rod, be the most specially provided with breach 421.
By selecting suitable elastic rod, when can make the present embodiment carrier body weight is less than 20 kilograms in a free state and on support board, power of the leading pressure contact portion of support board exceeds power of the leading support leading power part；When carrier body weight is more than 20 kilograms, support board is crimped on leads on power part；When elastic rod stress deforms upon, its anticreep slide plate portion reciprocatingly slides in limit sliding chutes, so that the present embodiment keeps steady statue.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.And the obvious change that these connotations belonging to the present invention are extended out or variation still fall within protection scope of the present invention.
Claims (6)
1. an electronic scale, weighs assembly including support board, for supporting the first precision of support board；It is characterized in that: also wrap
Include for supporting support board and weigh the second precision of assembly of the first precision is weighed assembly and for self pressure is transmitted
Weigh power of the leading part of assembly to the second precision；First precision assembly of weighing includes elastic supporting piece；The power part of leading includes propping up as the power of leading
The bearing plate with support holes of bearing portion, the diapire of support board is as leading power pressure contact portion；Each first precision weighs assembly through corresponding
Support holes and apical grafting on support board diapire；When support board does not carries object, power of the leading pressure contact portion of support board exceeds leads power part
Lead power support；Support board carrying object time, compression elasticity supporting member under the diapire stress of support board and move down, support board is in stress
After to a certain degree, it is led power pressure contact portion and is crimped on power of the leading support leading power part.
Electronic scale the most according to claim 1, it is characterised in that: power of the leading pressure contact portion stress of support board moves down until crimping
During on power of the leading support lead power part, elastic supporting piece is in elastic deformation state.
3. an electronic scale, weighs assembly including support board, for supporting the first precision of support board；It is characterized in that: also wrap
Include for supporting support board and weigh the second precision of assembly of the first precision is weighed assembly and for self pressure is transmitted
Weigh power of the leading part of assembly to the second precision；First precision assembly of weighing includes elastic supporting piece and the first precision force cell；
Second precision assembly of weighing includes the second precision force cell；The power part of leading is provided with leads power support, and support board is provided with the power of leading
Pressure contact portion；Support board crimping is arranged on the first precision force cell, and the first precision force cell crimping is arranged on elastic
In bearing member, elastic supporting piece directly crimps to be arranged on the second precision force cell or crimp to be arranged on and leads on power part；Loading
When plate does not carries object, power of the leading pressure contact portion of support board exceeds power of the leading support leading power part；During support board carrying object, loading
Compression elasticity supporting member under plate stress and move down, support board is in stress to after to a certain degree, and it is led power pressure contact portion and is crimped on and leads power part
Lead on power support.
Electronic scale the most according to claim 3, it is characterised in that: the second precision weigh assembly also include for supporting second
A spike of precision force cell, the bottom of a spike is the least significant end of this electronic scale.
5. an electronic scale, weighs assembly including support board, for supporting the first precision of support board；It is characterized in that: also wrap
Include for supporting support board and weigh the second precision of assembly of the first precision is weighed assembly and for self pressure is transmitted
Weigh power of the leading part of assembly to the second precision；First precision assembly of weighing includes elastic supporting piece and the first precision force cell；
Elastic supporting piece includes screw thread spring, the upper supporting part being arranged on screw thread spring top and is arranged on the lower support of screw thread spring bottom end
Part；Second precision assembly of weighing includes the second precision force cell；The power part of leading is provided with leads power support, and support board is provided with
Lead power pressure contact portion；Elastic supporting piece is arranged on above or below the first precision force cell；When elastic supporting piece is arranged on
Time above one precision force cell, support board crimping is arranged on upper supporting part, and lower supporting part crimping is arranged on the first precision and surveys
On force transducer, the first precision force cell crimping is arranged on the second precision force cell；When elastic supporting piece is arranged on
Time below first precision force cell, support board crimping is arranged on the first precision force cell, the first precision force-measuring sensing
Device crimping is arranged on upper supporting part, and lower supporting part crimping is arranged on the second precision force cell；Support board does not carries object
Time, power of the leading pressure contact portion of support board exceeds power of the leading support leading power part；During support board carrying object, under support board stress, press bullet
Property supporting member and move down, support board is in stress to after to a certain degree, and it is led power pressure contact portion and is crimped on power of the leading support leading power part.
Electronic scale the most according to claim 5, it is characterised in that: power of the leading pressure contact portion stress of support board moves down until crimping
During on power of the leading support lead power part, screw thread spring is in elastic deformation state.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2014/082855 WO2016011625A1 (en) | 2014-07-23 | 2014-07-23 | Electronic scale |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104838243A CN104838243A (en) | 2015-08-12 |
| CN104838243B true CN104838243B (en) | 2016-11-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480002777.XA Expired - Fee Related CN104838243B (en) | 2014-07-23 | 2014-07-23 | A kind of electronic scale |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104838243B (en) |
| WO (1) | WO2016011625A1 (en) |
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| CN1386192A (en) * | 2000-08-15 | 2002-12-18 | 西铁城时计株式会社 | Weighting scale |
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Also Published As
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| CN104838243A (en) | 2015-08-12 |
| WO2016011625A1 (en) | 2016-01-28 |
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