CN106017651A - Double-precision dual purpose electronic scale - Google Patents
Double-precision dual purpose electronic scale Download PDFInfo
- Publication number
- CN106017651A CN106017651A CN201610095140.0A CN201610095140A CN106017651A CN 106017651 A CN106017651 A CN 106017651A CN 201610095140 A CN201610095140 A CN 201610095140A CN 106017651 A CN106017651 A CN 106017651A
- Authority
- CN
- China
- Prior art keywords
- electronic scale
- spike
- precision
- supporting part
- supporting
- 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.)
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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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Force In General (AREA)
Abstract
The invention discloses a double-precision dual purpose electronic scale, comprising a carrier plate and weighing sensor assemblies used for weighing loaded objects on the carrier plate. Each weighing sensor assembly comprises a plastic pedestal, a force measurement sensor, a first supporting leg provided with a first supporting portion, and a second supporting leg provided with a second supporting portion, wherein the force measurement sensor comprises a fixing portion, a first precision elasticity force bearing portion and a second precision elasticity force bearing portion. In a free state, the second supporting portion is lower than the first supporting portion, and independently supports a whole electronic scale. When carrying objects, the carrier plate is stressed to drive the first supporting portion to move downwards; when the carried objects exceed a certain weight, the first supporting portion moves downwards and supports the whole electronic scale with the second support portion. The dual purpose electronic scale can be used as a weight electronic scale as well as a kitchen electronic scale.
Description
Technical field
The invention belongs to electronic balance structure design field, be specifically related to a kind of double precision dual-purpose 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 electronic scale of electronic scale that precision is high.
The technical scheme realizing the object of the invention is: a kind of double precision dual-purpose electronic scale, including support board and for weighing
The LOAD CELLS assembly of support board carrier weight；Each LOAD CELLS assembly includes: plastic base, force cell,
It is provided with first spike of the first support and is provided with second spike of the second supporting part；Force cell includes fixing
Portion, the first precision elasticity load portion and the second precision elasticity load portion；Plastic base includes roof, containing cavity and capping
Live containing cavity bottom opening and there is the spring lid of center trepanning；The upper surface of roof is bonded and fixed on support board diapire；Survey
The fixed part of force transducer is fixedly installed on the inwall of roof；First spike includes a stay tube, the top, top of a stay tube
Being connected in the first precision elasticity load portion of force cell, the bottom end face of a stay tube is as the first supporting part；Spring lid leads to
Guo Qi center trepanning is set on the periphery wall of a stay tube bottom；Each second spike is resilient support foot；Each second supports
Foot is arranged in the vestibule of corresponding one stay tube, and each second spike includes screw thread spring, is fixedly installed on screw thread spring
The upper supporting piece on top, it is fixedly installed on the lower support element of screw thread spring bottom end；Upper supporting piece apical grafting is elastic in the second precision
In load portion, the basal surface of lower support element is as the second supporting part；Under free state, the second supporting part is less than the first support
Portion, the second supporting part individually supports whole electronic scale；During support board carrying object, support board stress and then drive first
Support part moves down；After carrier heavily exceedes to a certain degree, the first supporting part is displaced downwardly to jointly support whole with the second supporting part
Individual electronic scale.
In such scheme, each force cell is integral piece.
In such scheme, first spike is rigid support foot or resilient support foot；Second spike under external force,
Self whole height changes in the range of elastic deformation.
In such scheme, the fixed part of force cell is the square frame with four straight flanges, and the middle-end of each straight flange is towards square frame
Protruding outside extension forms an elastic plate portion, and each elastic plate portion is as the first precision elasticity load portion；One of them straight flange
Middle-end highlights extension formation elastic plate portion inside square frame, and this relatively thin elastic plate portion is as the second precision elasticity load
Portion.
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 a kind of perspective view of the present invention；
Fig. 2 is that electronic scale shown in Fig. 1 is as a kind of side-looking structural representation during electronic scale；
Fig. 3 is the close-up schematic view in Fig. 2 at A；
Fig. 4 is that electronic scale shown in Fig. 1 is as a kind of side-looking structural representation during body weight electronic scale；
Fig. 5 is a kind of perspective view of force cell in electronic scale shown in Fig. 1；
Fig. 6 is a kind of perspective view when another angle is observed of the force cell shown in Fig. 5；
Fig. 7 is a kind of side-looking structural representation of force cell shown in Fig. 5；
Detailed description of the invention
(embodiment 1)
The present embodiment is a kind of double precision dual-purpose electronic scale, as shown in Fig. 1 to Fig. 7, including support board 1, display screen 11,
Regulation switch 12 and four LOAD CELLS assemblies 2 being used for weighing support board carrier weight；Loading in the present embodiment
The shape of plate is square, uses glass or fiberglass to make；Four LOAD CELLS assemblies are evenly distributed on support board diapire
At corner.
Each LOAD CELLS assembly 2 includes: plastic base 3, force cell 4, be provided with the first of the first support 50
Prop up spike 5 and be provided with second spike 6 of the second supporting part 60.
As shown in Fig. 5 to Fig. 7, the force cell 4 in the present embodiment is one-body molded part, including fixed part 41, four
The second precision elasticity load portion 43 of 42, one, individual first precision elasticity load portion and for detecting the first precision respectively
Elastic load portion 42 and the resistance strain gage (being not drawn on figure) of the second precision elasticity load portion 43 deformation quantity.Concrete next
Saying, the fixed part 41 in the present embodiment is the square frame with four straight flanges, and the middle-end of each straight flange is protruding outside towards square frame
Extending and form an elastic plate portion, this elastic plate portion is as the first precision elasticity load portion 42；The middle-end of one of them straight flange to
Prominent extension inside square frame and form a relatively thin elastic plate portion, this relatively thin elastic plate portion is as the second precision elasticity load
Portion 43.Each resistance strain gage is sticked in a corresponding elastic plate portion, and after fixed part is fixing, each elastic plate portion is unsettled
Arranging, thus elastic deformation occurs when stress, each resistance strain gage is changed into the deformation quantity in a corresponding elastic plate portion
The signal of telecommunication.
The range in the first precision elasticity load portion 42 in the present embodiment is 0 kilogram to 180 kilograms, and precision is (also referred to as
Scale division value) it is 100 grams, it is mainly used in weighing persons body weight；The range in the second precision elasticity load portion 43 is 0 to 20
Kilogram, precision is 1 gram, is mainly used in kitchen articles and weighs.
Plastic base 3 in the present embodiment includes roof 31, containing cavity 32 and covers containing cavity bottom opening and tool
There is the spring lid 35 of center trepanning 351；The inwall of roof 31 is provided with the draw-in groove for fixing force cell fixed part 41,
The upper surface of roof 31 is bonded and fixed on support board 1 diapire.
First spike 5 includes step-like up big and down small stay tube 52, and the top of a stay tube 52 is provided with the apical grafting of annular
Face, a stay tube 52 in the first precision elasticity load portion 42 of force cell, props up stay tube by this apical grafting face apical grafting
Bottom end face is also a ring surface, and this bottom end face is as the first supporting part 50.In concrete practice, first spike is also
Resilient support foot can be used, it is contemplated that the range in the first precision elasticity load portion is more than the amount in the second precision elasticity load portion
Journey, so first spike is when using resilient support foot, its coefficient of elasticity is greater than the elastic system of the second resilient support foot
Number.
Spring lid 35 is set on the periphery wall of stay tube 52 bottom by its center trepanning 351.
In the present embodiment, spring lid 35 is provided with inner ring, outer ring and connects four spiral arm between inner ring and outer ring,
Center trepanning 351 is arranged on inner ring, and outer ring is fixedly installed on containing cavity inwall.A stay tube is played relatively by spring lid 35
For stable position-limiting action, moreover it is possible to prevent 3 self pressures of plastic base from passing to a stay tube 52 by spring lid 35.
Each second spike 6 is resilient support foot；Each second spike is arranged in the vestibule of corresponding one stay tube 52,
Each second spike 6 includes screw thread spring 61, the upper supporting piece 62 being fixedly installed on screw thread spring top, is fixedly installed
Lower support element 63 at screw thread spring bottom end；Upper supporting piece 62 apical grafting in the second precision elasticity load portion 43, lower support
Part 63 be shaped as straight tabular, the basal surface of lower support element is as the second supporting part 60.
Under free state, under the resilient support effect of second spike, the second supporting part 60 is less than the first supporting part 50,
The first unsettled setting of support 50, now the second supporting part individually supports whole electronic scale.
During support board carrying object, support board stress is compressed downwards thread bullet spring and then drives the first supporting part to move down；Pass through
Selecting suitable screw thread spring, when can make on support board carrier heavily less than 20 kilograms, the first supporting part 50 is all the time
Unsettled setting, during this, the second supporting part individually supports whole electronic scale, and now display screen can demonstrate the second precision
The gravimetric value that elastic load portion measures.
After carrier heavily exceedes to a certain degree, such as time more than 20 kilograms, the bottom of support column 51 namely first supports
Portion 50 is displaced downwardly on the lower support element 63 that is crimped in second spike 6, and now the first supporting part and the second supporting part are altogether
With supporting whole electronic scale.Now all there is elastic shape in the first precision elasticity load portion and the second precision elasticity load portion
Become, and by resistance strain gage, respective deformation quantity is converted into the signal of telecommunication, by the intelligence computation of circuit, can calculate
Go out carrier weight now, so now the present embodiment can use as scale again.
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 double precision dual-purpose electronic scale, including support board and for weighing the weighing and sensing of support board carrier weight
Device assembly；It is characterized in that: each LOAD CELLS assembly includes: plastic base, force cell, be provided with the first supporting
First spike in portion and second spike being provided with the second supporting part；Force cell includes fixed part, the first precision bullet
Property load portion and the second precision elasticity load portion；Plastic base includes that roof, containing cavity and covering is opened bottom containing cavity
Mouthful and there is the spring lid of center trepanning；The upper surface of roof is bonded and fixed on support board diapire；Fixing of force cell
Portion is fixedly installed on the inwall of roof；First spike includes a stay tube, and the top apical grafting of a stay tube is at force cell
The first precision elasticity load portion on, the bottom end face of stay tube is as the first supporting part；Spring lid passes through its center trepanning set
It is located on the periphery wall of a stay tube bottom；Each second spike is resilient support foot；Each second spike is arranged on corresponding one
In the vestibule of individual stay tube, each second spike include screw thread spring, the upper supporting piece being fixedly installed on screw thread spring top,
It is fixedly installed on the lower support element of screw thread spring bottom end；Upper supporting piece apical grafting in the second precision elasticity load portion, lower support
The basal surface of part is as the second supporting part；Under free state, the second supporting part is less than the first supporting part, the second supporting part list
Solely support whole electronic scale；During support board carrying object, support board stress and then drive the first supporting part move down；Work as carrying
After thing heavily exceedes to a certain degree, the first supporting part is displaced downwardly to jointly support whole electronic scale with the second supporting part.
Double precision dual-purpose electronic scale the most according to claim 1, it is characterised in that: each force cell is one
Part.
Double precision dual-purpose electronic scale the most according to claim 1, it is characterised in that: first spike is that rigidity is propped up
Spike or resilient support foot；Under external force, self whole height changes in the range of elastic deformation second spike.
Double precision dual-purpose electronic scale the most according to claim 1, it is characterised in that: the fixed part of force cell
Being the square frame with four straight flanges, the middle-end of each straight flange forms an elastic plate portion, each elasticity towards protruding outside extension of square frame
Plate portion is as the first precision elasticity load portion；The middle-end of one of them straight flange highlights extension formation elastic plate inside square frame
Portion, this relatively thin elastic plate portion is as the second precision elasticity load portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610095140.0A CN106017651A (en) | 2016-01-20 | 2016-01-20 | Double-precision dual purpose electronic scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610095140.0A CN106017651A (en) | 2016-01-20 | 2016-01-20 | Double-precision dual purpose electronic scale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106017651A true CN106017651A (en) | 2016-10-12 |
Family
ID=57082785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610095140.0A Withdrawn CN106017651A (en) | 2016-01-20 | 2016-01-20 | Double-precision dual purpose electronic scale |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106017651A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084877A (en) * | 2017-06-15 | 2017-08-22 | 中国水利水电科学研究院 | Spring transfer pressure detection means |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104838243A (en) * | 2014-07-23 | 2015-08-12 | 王雅苹 | Electronic scale |
-
2016
- 2016-01-20 CN CN201610095140.0A patent/CN106017651A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104838243A (en) * | 2014-07-23 | 2015-08-12 | 王雅苹 | Electronic scale |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084877A (en) * | 2017-06-15 | 2017-08-22 | 中国水利水电科学研究院 | Spring transfer pressure detection means |
| CN107084877B (en) * | 2017-06-15 | 2024-01-30 | 中国水利水电科学研究院 | Spring type grading pressure detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20161012 |