CN106017639A - Intelligent weighing sensor - Google Patents
Intelligent weighing sensor Download PDFInfo
- Publication number
- CN106017639A CN106017639A CN201610616211.7A CN201610616211A CN106017639A CN 106017639 A CN106017639 A CN 106017639A CN 201610616211 A CN201610616211 A CN 201610616211A CN 106017639 A CN106017639 A CN 106017639A
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- Prior art keywords
- load cells
- supporting part
- spring
- precision
- bearing part
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/40—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight
- G01G19/413—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight using electromechanical or electronic computing means
- G01G19/414—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight using electromechanical or electronic computing means using electronic computing means only
-
- 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
- G01G19/50—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing persons having additional measuring devices, e.g. for height
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G21/00—Details of weighing apparatus
- G01G21/23—Support or suspension of weighing platforms
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Force In General (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
Abstract
The invention discloses an intelligent weighing sensor. The intelligent weighing sensor comprises an installation seat, a first precision weighing sensor, an elastic bearing part, a second precision weighing sensor and a supporting leg. The elastic bearing part comprises an upper bearing part body, a spring and a lower bearing part body, the top end of the spring is connected to the upper bearing part body in an abutting mode, and the bottom end of the spring is connected to the lower bearing part body in an abutting mode. The installation seat, the first precision weighing sensor, the upper bearing part body, the spring, the lower bearing part body, the second precision weighing sensor and the supporting leg are sequentially arranged in a press connecting mode. The upper bearing part body is provided with a force guiding press connecting part, and the supporting leg is provided with a force guiding bearing part. In a free state, the force press connecting part is higher than the force guiding bearing part. The upper bearing part body compresses the spring when bearing pressure and being stressed, and then the force guiding press connecting part is driven to move downwards; when the upper bearing part body bears pressure and is stressed to a preset degree, the force guiding press connecting part moves downwards to the force guiding bearing part in a press connecting mode. The intelligent weighing sensor has a double-stage consecutive range, and different precision values are achieved in different stages of the range.
Description
Technical field
The invention belongs to load cell structure design field, be specifically related to a kind of intelligent weighing sensor.
Background technology
Body weight electronic scale in the market, its structure mainly includes support board, display screen, regulation button, 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 carrier body weight
After amount 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 electronic scale
Maximum range is usually 180 kilograms, and accuracy value only has 100 grams, and error is relatively big, so this traditional body weight electronic scale removes on ordinary days
Outside weighing in, substantially cannot function as its use, especially cannot be used for using as electronic scale.And existing kitchen electricity
Sub-scale, its accuracy value can reach 1 gram the least, but its range is usually no more than 10 kilograms, so cannot function as scale
Use.
Summary of the invention
It is an object of the invention to provide and a kind of there is the continuous range in double rank and in the range of each rank, there is different accuracy value
Intelligent weighing sensor.
The technical scheme realizing the object of the invention is: a kind of intelligent weighing sensor, it is characterised in that: include installing
Seat, the first precision LOAD CELLS, elastic supporting piece, the second precision LOAD CELLS and a spike；Elastic supporting piece includes
Supporting member, spring and lower supporting part, the top of spring is connected on upper supporting part, and the bottom of elastic supporting piece is connected to lower support
On part；Described mounting seat, the first precision LOAD CELLS, upper supporting part, spring, lower supporting part, the second precision LOAD CELLS
Setting is crimped successively with a spike；Upper supporting part is provided with leads power pressure contact portion, and a spike is provided with leads power support；Lead on power support
Being provided with static contact, the power pressure contact portion of leading is provided with moving contact, and when the power pressure contact portion of leading is crimped on and leads on power support, moving contact crimps
It is arranged on static contact；Under free state, the power pressure contact portion of leading exceeds leads power support；Bullet is compressed during upper supporting part pressure-bearing stress
Spring, so drive lead defeat connect subordinate move, when upper supporting part pressure-bearing stress is to predeterminable level, lead defeat connect subordinate move to crimping
Leading on power support；When moving contact and static contact electrical contact, produce a signal of telecommunication and control electricity to the external central authorities being connected
Road, when central control circuit receives this signal, shows the data that the second precision LOAD CELLS measures on a display screen；In the middle of
When centre control circuit does not receives this signal, show the data that the first precision LOAD CELLS measures on a display screen；Lower support
Part is provided with mounting plate portion and the second deck being arranged on mounting plate portion diapire；Second precision LOAD CELLS is provided with second and fixes
Portion, the second load deformations and the second resistance strain gage being arranged in the second load deformations；Second fixed part clamping is arranged
In the second deck.
In such scheme, the range of the first precision LOAD CELLS is more than the range of the second precision LOAD CELLS.
When the present invention weighs in the first rank range, namely the power pressure contact portion of leading not yet is displaced downwardly to be crimped on and leads on power support
Time, the first precision LOAD CELLS and the second precision LOAD CELLS bear whole pressure simultaneously, but can utilize the second precision
The independent check weighing of LOAD CELLS, namely externally connected with display screen only shows the data that the second precision LOAD CELLS measures, its accuracy value
Being the accuracy value of the second precision LOAD CELLS, general use higher precision, such as accuracy value is 1 gram or less；?
When weighing in two ranges, namely leading to defeat and meet subordinate and move to be crimped on when leading on power support, the first precision LOAD CELLS holds
Being subject to whole pressure, the second precision LOAD CELLS to be subjected only to partial pressure, remaining pressure then directly passes by leading power pressure contact portion
It is handed to lead on power support, it is possible to utilize the first independent check weighing of precision LOAD CELLS, namely externally connected with display screen only shows
The data that first precision LOAD CELLS measures, its accuracy value is the accuracy value of the second precision LOAD CELLS, and general employing is relatively
Low precision, such as accuracy value are 100 grams or bigger；During it addition, the present invention weighs in second-order range ability, now lead
Defeating and meet subordinate and move to be crimped on and lead on power support, spring deformation is not further added by, namely is applied to the second precision weighing and sensing
Pressure on device is not further added by, thus effectively protects the second precision LOAD CELLS so that it is will not damage because load is overweight；This
Outward, the present invention, by selecting spring as the core of elastic supporting piece, can connect by selecting suitable spring to make to lead to defeat
Portion and lead and have suitable clearance distance between power support, can reduce the machining accuracy to upper supporting part and a spike and want
Ask, can guarantee that again comfort during use.
Accompanying drawing explanation
Fig. 1 is that the first structure of the present invention is in the first rank range and weighs a kind of structural representation of state；
Fig. 2 is that combination type LOAD CELLS shown in Fig. 1 is in second-order range and weighs a kind of structural representation of state；
Fig. 3 is the first precision LOAD CELLS and a kind of explosive view of the first screw in combination type LOAD CELLS shown in Fig. 1；
Fig. 4 is the first precision LOAD CELLS shown in Fig. 3 and first screw a kind of explosive view when another angle is observed；
Fig. 5 is the second precision LOAD CELLS and a kind of explosive view of a spike in combination type LOAD CELLS shown in Fig. 1；
Fig. 6 is the second precision LOAD CELLS shown in Fig. 5 and the spike a kind of explosive view when another angle is observed；
Fig. 7 is that the second structure of the present invention is in the first rank range and weighs a kind of structural representation of state；
Fig. 8 is that combination type LOAD CELLS shown in Fig. 7 is in second-order range and weighs a kind of structural representation of state；
Fig. 9 is that the third structure of the present invention is in the first rank range and weighs a kind of structural representation of state；
Figure 10 is that combination type LOAD CELLS shown in Fig. 9 is in second-order range and weighs a kind of structural representation of state；
Figure 11 is the first precision LOAD CELLS and a kind of explosive view of capping in combination type LOAD CELLS shown in Fig. 9；
Figure 12 is the first precision LOAD CELLS shown in Figure 11 and the capping a kind of explosive view when another angle is observed；
Figure 13 is that the 4th kind of structure of the present invention is in the first rank range and weighs a kind of structural representation of state；
Figure 14 is a kind of structural representation when removing regulation screw and spring of the combination type LOAD CELLS shown in Figure 13；
Figure 15 is a kind of structural representation regulating screw in combination type LOAD CELLS shown in Figure 13；
Combination type LOAD CELLS shown in Figure 16 Figure 13 is in second-order range and weighs a kind of structural representation of state；
Figure 17 is that the 5th kind of structure of the present invention is in the first rank range and weighs a kind of structural representation of state；
Figure 18 is that combination type LOAD CELLS shown in Figure 17 is in second-order range and weighs a kind of structural representation of state.
Detailed description of the invention
(embodiment 1)
The present embodiment is a kind of intelligent combined LOAD CELLS, as shown in Fig. 1 to Fig. 6, including mounting seat the 1, first precision
LOAD CELLS 2, elastic supporting piece the 3, second precision LOAD CELLS 4 and a spike 5；Elastic supporting piece includes upper supporting part
31, spring 32 and lower supporting part 33, the top of spring is connected on upper supporting part, and the bottom of elastic supporting piece is connected to lower support
On part；Described mounting seat, the first precision LOAD CELLS, upper supporting part, spring, lower supporting part, the second precision LOAD CELLS
Setting is crimped successively with a spike；Upper supporting part is provided with leads power pressure contact portion 311, and a spike is provided with leads power support 51；Free shape
Under state, the power pressure contact portion of leading exceeds leads power support；Compression spring during upper supporting part pressure-bearing stress, and then drive and lead to defeat and meet subordinate
Move, when upper supporting part pressure-bearing stress is to predeterminable level, lead to defeat meeting subordinate and move to be crimped on and lead on power support.In detail below
Illustrate concrete structure and the operation principle of the present embodiment.
The diapire of mounting seat is provided with the first deck 11, and the roof of mounting seat has a plane, is used for being bonded and fixed at
On the diapire of external support board；First precision LOAD CELLS is provided with first fixed part the 21, first load deformations 22 and arranges
The first resistance strain gage 23 in the first load deformations, the first resistance strain gage can be subject to the first load deformations pressure-bearing
The deformation produced during power is converted into the signal of telecommunication；First fixed part clamping is arranged in the first deck, and this clamping is arranged can letter
Change the assembly operation of the first precision LOAD CELLS.
Upper supporting part has horizontally disposed gusset piece portion 312, and the power pressure contact portion of leading is to be downwardly projected formation from gusset piece portion
Annular boss, lead and there is on the roof of power support the annular bearing surface adaptive with leading power pressure contact portion；First load deformations
Crimping is arranged on the roof in gusset piece portion.
The center of gusset piece portion diapire is provided with the guiding traveller 313 being downwardly projected formation；Lower supporting part is provided with installing plate
Portion 331, project upwards from mounting plate portion formation the tube shape bulge 332 with sliding chamber, be arranged on mounting plate portion diapire
Two decks 333；Spring housing is located on tube shape bulge, and the top of spring is connected on the diapire in gusset piece portion of upper supporting part, bullet
On the roof of the mounting plate portion that the bottom of spring is connected to lower supporting part；Guide traveller to be positioned in the sliding chamber of tube shape bulge, and can be
Sliding up and down in sliding chamber, this structure makes upper supporting part under guiding the traveller 313 guide and limit effect with tube shape bulge 332
Move up and down.Second precision LOAD CELLS is provided with second fixed part the 41, second load deformations 42 and is arranged on second and holds
The second resistance strain gage 43 in power deformations, the second resistance strain gage can be producing during the second load deformations pressure-bearing stress
Deformation be converted into the signal of telecommunication；Second fixed part clamping is arranged in the second deck, and this clamping arranges and can simplify the second essence
The assembly operation of degree LOAD CELLS；Second load deformations crimping is arranged on a spike.
In the present embodiment, the second precision force cell is LOAD CELLS for kitchen use, and its range is 0 to 5 kilogram, precision
Value can reach 1 gram, for the present embodiment, the scope of weighing of 0 kilogram to 5 kilogram is measured as first rank of the present embodiment
Journey；Specifically, the shape of described second fixed part be by four edges combination formed rectangular box-like, the second load deformations
Shape is to be combined " mountain " font formed, the second load deformation by two bases and three straight flanges arranging with this base vertical
Portion is arranged in the rectangle frame of the second fixed part, the end of the center straight flange in three straight flanges of described second load deformations with
The inner side edge wall of one frame middle-end of the second fixed part is connected.The planform of this second precision LOAD CELLS is more closed
Reason, it is easy to by impact style processing and manufacturing, and cost is relatively low.
When being used for manufacturing electronic scale, it is generally required to the combination type LOAD CELLS described in four the present embodiment, its finished product
The first rank range be 0 to 20 kilogram, the demand that daily small articles is weighed can be met.
In the present embodiment, the first precision LOAD CELLS is human body weighing's sensor, and its range is 0 kilogram to 50 kilograms,
Accuracy value is 100 grams, for the present embodiment, using the scopes of weighing of 5 kilograms to 50 kilograms as the second-order of the present embodiment
Range；When being used for manufacturing electronic scale, it is generally required to the combination type LOAD CELLS described in four the present embodiment, the of its finished product
Second order range is 20 to 200 kilograms, can meet the demand of human body weighing.
In the present embodiment, the first precision LOAD CELLS is structurally similar to the second precision LOAD CELLS, but
On the thickness of size and sheet material used bigger than the first precision LOAD CELLS.Specifically, the shape of described first fixed part is
By four edges combination formed rectangular box-like, the shape of the first load deformations is by a base and to set with this base vertical
" mountain " font that three the straight flange combinations put are formed, the first load deformations is arranged in the frame of the first fixed part, and described first
The end of the center straight flange in three straight flanges of load deformations and the inner side edge wall phase of a frame middle-end of the first fixed part
Even.The first precision LOAD CELLS and the first precision LOAD CELLS in the present embodiment are suitable for by impact style processing system
Make, advantageously reduce manufacturing cost.It addition, the first precision LOAD CELLS and the second precision weighing and sensing used by the present embodiment
Device may be used without the force cell the most widely circulated and price is the cheapest, thus effectively reduces manufacturing cost.
In the present embodiment, the first load deformations of the first precision LOAD CELLS is provided with two the first fastener holes 221；
The roof in gusset piece portion is provided with two the fastening screws adaptive with the first fastener hole, the first load deformations by with fastening spiral shell
Two the first screws 24 of hole adaptation are spirally connected on the roof being fixed on gusset piece portion.Specifically, described first load deformations
Article three, two straight flanges being positioned at straight flange both sides, center in straight flange, are respectively provided with first fastener hole 221；This structure is realizing
While first load deformations crimping gusset piece portion, the first load deformations is also utilized to be directly connected to and position gusset piece portion,
Its structure more simplifies compact.In concrete practice, it is possible to by anchor mode, the top in gusset piece portion is anchored in first and holds
On the diapire of power deformations, such as, two anchor boss protruding upward are set on the roof in gusset piece portion, at the first load
Arranging two anchor holes in deformations, each boss that is anchored passes anchor process after a corresponding anchor hole, and this anchor mode also has
Imitate feasible.
In the present embodiment, the second load deformations of the second precision LOAD CELLS is provided with two the second fastener holes 421,
Two installation screws that the roof of spike is provided with and the second fastener hole is adaptive, the second load deformations by with installation screw
Two adaptive the second screws 44 are fixed on the roof of a spike.Specifically, described three straight flanges of second load deformations
In two straight flanges being positioned at straight flange both sides, center, be respectively provided with second fastener hole.Certainly, described spike also can pass through anchor
The mode of connecing is fixedly installed on the diapire of the second load deformations.Such as, the roof of spike is arranged two protruding upward
Anchor boss, each boss that is anchored is through after corresponding second fastener hole, then carries out anchoring process.This structure is realizing
While two load deformations crimping spikes, also utilizing the second load deformations to be directly connected to location spike, its structure is relatively
Compact for simplifying.
In the present embodiment, power of leading pressure contact portion and the gusset piece portion of upper supporting part are made into integration, and enclose formation one cavity, the
Two decks, the second precision LOAD CELLS, spring and lower supporting part are respectively positioned in this cavity.The advantage of this structure is permissible
Second precision LOAD CELLS, spring and lower supporting part are protected, prevents extraneous factor from it being disturbed.Concrete real
In trampling, it is possible to power pressure contact portion will be led and split part is each made in gusset piece portion, and be finally assemblied at together, be also feasible.
The present embodiment Elastic supporting member relatively reasonable in structure compact, can preferably be accurately positioned spring,
Prevent its eccentric displacement, it addition, this structure is especially suitable for quickly assembling and later maintenance replacing.Additionally, this structure is also filled
Divide the performance advantage that make use of spring, by selecting suitable spring, so that during free state, leading of upper supporting part is defeated
The gap connecing the bottom in portion and power of the leading support top of spike is in suitably sized, it is generally preferable to be 1 millimeter to 5 millis
Rice, preferably preferred size is 2 millimeters to 3 millimeters, significantly can fall to people when human body weighs sense in excessive gap, because
Power of leading pressure contact portion now have to be displaced downwardly to be crimped on leads on power support, namely quickly moves down whole above-mentioned gap size；
Too small gap may require that higher machining accuracy, improves technology difficulty and manufacturing cost.
In the present embodiment, the range of the first precision LOAD CELLS is greater than the range of the second precision LOAD CELLS, also
I other words the maximum of the first precision LOAD CELLS is weighed, value is greater than the maximum of the second precision LOAD CELLS and weighs value, passes through
Choose suitable spring, and select suitable power of leading pressure contact portion and the distance led between power support, can be by the second precision
LOAD CELLS pressure is limited in its range ability, thus prevents the second precision LOAD CELLS from being pressed because of overweight
Damage；The advantage of this limiter protected mode is: owing to the elastic deformation of strain gauge load cell is the least, such as the present embodiment
In the second precision LOAD CELLS whole range in deformation difference in height calculate in microns, if use rigid support replace this
Spring in embodiment, then the gap between power of leading pressure contact portion and power of the leading support of a spike of upper supporting part also must be with micro-
Meter Heng Liang, this is the most too high to requirement on machining accuracy, and cause in view of the error in materials processing molding and the temperature difference
Material expands change, industrial is difficulty with；If but use spring to amplify deformation, just can the most effectively reduce machining accuracy
Require and manufacturing cost.
In the present embodiment, the outer wall of upper supporting part is provided with the clamping installation portion 316 for installing self entirety, this clamping
Installation portion is the wedge shape latch outwardly formed from upper supporting part outer wall.The present embodiment in use, general and in-built electrical
The plastic feet of road plate and power module with the use of, the advantage of this structure is, if reserved hole clipping in plastic feet,
Then directly can be installed in hole clipping by this clamping installation portion, its assembly operation is very convenient fast.
In the present embodiment, the power support of leading is provided with static contact 71, and the power pressure contact portion of leading is provided with moving contact 72, when this leads power
Pressure contact portion is crimped on when leading on power support, and moving contact crimping is arranged on static contact, and both realize electrical connection.At concrete practice
In, when moving contact and static contact electrical contact, produce a signal of telecommunication and control electricity to the external central control circuit being connected, central authorities
When road receives this signal, show the data that the second precision LOAD CELLS measures on a display screen；When central control circuit not
When receiving this signal, show the data that the first precision LOAD CELLS measures on a display screen；In other words, this dynamic/static contact
Combine the signal switch automatically can changed as display screen video data；This structure, can simplify central authorities' control
The programming of CPU element in circuit processed.In concrete practice, also can use other structure, for example with tongue tube, proximity switch etc.
This dynamic/static contact is replaced to combine.
The operation principle of the present embodiment is:
The pressure that mounting seat affords self all passes to the gusset piece of upper supporting part by the first precision LOAD CELLS
Portion；Upper supporting part is in free state namely when not bearing pressure, and it is led power pressure contact portion and exceeds power of the leading support of lower supporting part；
Compression spring during upper supporting part pressure-bearing stress thus move down, when mounting seat pressure-bearing stress is less than 5 kilogram, namely the
Time in single order range ability, by selecting suitable spring and selecting suitable power of leading pressure contact portion and lead between power support
Away from, during so that weigh in this rank range, the power pressure contact portion of leading will not be crimped onto and cause on support, and now gusset piece portion is certainly
Whole pressure transmission suffered by body give the second precision LOAD CELLS, during being somebody's turn to do, and the first precision LOAD CELLS and the second precision
LOAD CELLS all bears whole pressure, but external display screen only shows the data that the second precision LOAD CELLS measures,
Its accuracy value is the accuracy value that the second precision LOAD CELLS has, and in the present embodiment, the accuracy value in this range is 1 gram；
When mounting seat pressure-bearing stress is less than 50 kilograms and is more than or equal to 5 kilogram, namely time in second-order range ability,
The power pressure contact portion of leading can be crimped on leads on power support, the pressure that now the gusset piece portion of upper supporting part bears, only sub-fraction
Passing to the second precision LOAD CELLS, remaining major part is then directly passed to the power of leading of a spike and supports by leading power pressure contact portion
In portion；Owing to, during this, the first precision LOAD CELLS bears whole pressure, so external display screen only shows first
The data that precision LOAD CELLS measures, its accuracy value is the accuracy value that the first precision LOAD CELLS has, in the present embodiment,
Accuracy value in this range is 100 grams；In this second-order range ability, the deformation of spring no longer increases, namely the second precision claims
The pressure that weight sensor is born is in preset range, so that the second precision LOAD CELLS will not be because of super during Gai
Weigh and damage.
The structure design of the present embodiment is relatively reasonable, it is possible to reduce requirement on machining accuracy, reduces manufacturing cost and technique is difficult
Degree；Additionally can also effectively prevent the second precision LOAD CELLS because of overweight and crushing；In addition the outer wall of the present embodiment upper supporting part
It is provided with the clamping installation portion for installing self entirety, when assembling, can entire card be contained on external plastic feet, operation letter
Prompt convenient.
(embodiment 2)
The present embodiment is essentially identical with above-described embodiment 1, and difference is: as shown in Fig. 7 to Fig. 8, and the present embodiment also includes
For regulating the governor motion 6 of elastic supporting piece whole height；The periphery wall propping up spike is provided with the stopper section 52 of evagination, leads power
The periphery wall of pressure contact portion is provided with external screw thread district 314；Governor motion includes regulating spiral cover 61 and to top spiral cover 62, this regulation spiral cover
The inwall of bottom is provided with the annular anticreep pressure contact portion 611 of convex, and the inwall on top is provided with and leads power pressure contact portion external screw thread district
Adaptive internal threaded regions 612；Described anticreep pressure contact portion is set in being positioned on the periphery wall below stopper section, to top of lower supporting part
Spiral cover rotation is located in the external screw thread district leading power support, and is connected to regulate on spiral cover；Under external force, described stopper section can
Slide up and down between power support top leading power pressure contact portion bottom and leading.Under free state, under the elastic force effect of spring,
Anticreep pressure contact portion apical grafting is on stopper section；When gusset piece portion pressure-bearing stress, stress is shortened by spring, and leading power pressure contact portion will drive
Regulating spiral cover and move down top spiral cover, anticreep pressure contact portion 611 now moves down the most therewith, is positioned at the lower section of stopper section 52.
The advantage of this kind of structure is: in concrete practice, spring owing to being restricted by its processing technique, its concordance
Being difficult to ensure that, typically can use four combination type LOAD CELLSs due to weighing scale and kitchen scale, concordance is difficult to ensure that simultaneously
Spring may result in the height of four LOAD CELLSs and slightly distinguish, impact assembles and uses, and even picks up when user
When electronic scale is observed, the bottom of each lower supporting part may not at grade, and pole is unsightly；The present embodiment uses governor motion
Adjust the whole height under spring free state, even if so that the present embodiment uses the slightly larger spring of error, also having only to
Regulation spiral cover is rotated in place, the concordance of whole height can be ensured.It addition, this structure is so that the present embodiment is in
All attached state, will not be scattered mutually and cause losing parts.
(embodiment 3)
The present embodiment is essentially identical with above-described embodiment 2, and difference is: as shown in Fig. 9 to Figure 12, in the present embodiment
One precision LOAD CELLS is still provided with the first fixed part, the first load deformations and is arranged in the first load deformations
For detecting the first resistance strain gage of the first load deformations deflection；But the first precision LOAD CELLS in the present embodiment
Shape be similar to instead " G " font, its first fixed part approximation " C " font, the shape of the first load deformations is similar to one
Less " C " font, and be connected with the first fixed part, combination forms anti-" G " font.The amount of this kind the first precision LOAD CELLS
Journey is the most same as in Example 2 with accuracy value, and this structure also can be made by impact style, and its manufacturing process is simpler.Peace
The bottom of dress seat is provided with capping 12, and capping and mounting seat enclose formation one containing cavity 13, and the first deck and the first precision are weighed biography
Sensor is positioned in this containing cavity；Capping include center hole 121, interior cover region 122, outer cover region 123 and connect in cover region and outer
The a plurality of spiral elastic arm 124 of cover region, center hole is arranged at inner cap district center；The center in gusset piece portion is provided with and projects upwards
The cylinder table 317 formed, the periphery wall of cylinder table is bonded and fixed in center hole, and the first load deformations directly crimps setting
On the roof of cylinder table.Capping with holding part with the use of, the first precision LOAD CELLS being pointed in containing cavity is carried out
Preferably protection.Further, since spiral elastic arm can be made sufficiently thin little, this kind of structure can fully reduce mounting seat with upper
The power transmitted by capping between the cylinder table 317 of supporting member so that it is the error caused affects the precision in second-order range
For, reach the degree ignored.
The present embodiment reduce further the structural requirement to the first precision LOAD CELLS, and simplifies assembly operation,
Manufacturing cost can be reduced further.
(embodiment 4)
The present embodiment is substantially the same manner as Example 1, and difference is: as shown in Figure 13 to Figure 16, in the present embodiment, and upper supporting
Guiding traveller 313 is no longer set on the diapire in part gusset piece portion.In the present embodiment, the center in gusset piece portion is provided with adjustment hole
315, the center of the tube shape bulge of lower supporting part, it is provided with the circle from mounting plate portion is protruding upward and couples pylon 334, this connection
The roof center of pylon is provided with connection screw 335；Tube shape bulge couples pylon and encloses formation annular spacing groove 336 with circle；
The bottom of spring is positioned at this annular spacing groove, and is connected on the roof of lower supporting part mounting plate portion, and the top of spring abuts
On the diapire of upper supporting part.
The present embodiment includes the governor motion 6 for regulating spring heights, and this governor motion includes regulating screw 63, regulation
Screw is sequentially provided with the portion of screwing 631, slide connecting part 632 and the spiro union portion 633 with adjustment hole 315 adaptation from top to bottom, screws portion
External diameter is more than the external diameter of slide connecting part, and the shape of slide connecting part is the cylinder that outer wall is smooth；The adjustment hole of described upper supporting part is platform
Hole, rank, is the bigger less slide opening district 3152 of crimping porose area 3151 and aperture, aperture the most successively, the end of crimping porose area
Wall is as electrolysis 3153, and slide opening district is the circular hole that hole wall is smooth；Described spiro union portion is spirally connected and is fixed on the connection spiral shell coupling pylon
Kong Zhong；During free state, under the top pressure effect of spring, the portion of screwing is positioned in crimping porose area, and the diapire screwing portion is crimped on
On the diapire of crimping porose area, namely on described electrolysis；Slide connecting part is then positioned in slide opening district；Under external force, slide connecting part can
Slide opening district slides up and down, so that upper supporting part can move up and down under the guide effect of regulation screw slide connecting part.
This structure connects upper supporting part and lower supporting part by using regulation screw so that elastic supporting piece will not be because dividing
Body and lose parts；Simultaneously by this regulation screw of turn, can directly adjust power of leading pressure contact portion and the lower support of upper supporting part
Clearance distance between power of the leading support of part, its structure comparison compact and reasonable.
(embodiment 5)
The present embodiment is substantially the same manner as Example 4, and difference is: as shown in Figure 17 to Figure 18, due on regulation screw
Supporting member and lower supporting part enclose Tibetan wherein, it is impossible to again tune after overall package, so the governor motion in the present embodiment is also
Including regulation spiral cover 61 with to top spiral cover 62；The periphery wall propping up spike is provided with the stopper section 52 of evagination, leads outside power pressure contact portion
Perisporium is provided with external screw thread district 314；Governor motion includes regulating spiral cover 61 and to top spiral cover 62, the inwall of this regulation spiral cover bottom
Being provided with the annular anticreep pressure contact portion 611 of convex, the inwall on top is provided with and leads the interior spiral shell that power pressure contact portion external screw thread district is adaptive
Stricture of vagina district 612；Described anticreep pressure contact portion is set in being positioned on the periphery wall below stopper section of lower supporting part, is located at top spiral cover rotation
Lead in the external screw thread district of power support, and be connected to regulate on spiral cover；Under external force, described stopper section can connect leading to defeat
Bottom, portion and leading slides up and down between power support top.Under free state, under the elastic force effect of spring, anticreep pressure contact portion
Apical grafting is on stopper section；When gusset piece portion pressure-bearing stress, spring by stress shorten, lead power pressure contact portion by drives regulation spiral cover with
Moving down top spiral cover, anticreep pressure contact portion 611 now moves down the most therewith, is positioned at the lower section of stopper section 52.
The advantage of this kind of structure is: in concrete practice, spring owing to being restricted by its processing technique, its concordance
Being difficult to ensure that, typically can use four combination type LOAD CELLSs due to weighing scale and kitchen scale, concordance is difficult to ensure that simultaneously
Spring may result in the height of four LOAD CELLSs and slightly distinguish, impact assembles and uses, and even picks up when user
When electronic scale is observed, the bottom of each lower supporting part may not at grade, and pole is unsightly；The present embodiment uses governor motion
Adjust the whole height under spring free state, even if so that the present embodiment uses the slightly larger spring of error, also having only to
Regulation spiral cover is rotated in place, the concordance of whole height can be ensured.It addition, this structure is so that the present embodiment is in
All attached state, will not be scattered mutually and cause losing parts.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not right
The restriction of embodiments of the present 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 these
Belong to obvious change that the connotation of the present invention extended out or variation still falls within protection scope of the present invention.
Claims (1)
1. an intelligent weighing sensor, it is characterised in that: include mounting seat, the first precision LOAD CELLS, elastic bearing
Part, the second precision LOAD CELLS and a spike；Elastic supporting piece includes upper supporting part, spring and lower supporting part, the top of spring
End is connected on upper supporting part, and the bottom of elastic supporting piece is connected on lower supporting part；Described mounting seat, the first precision are weighed biography
Sensor, upper supporting part, spring, lower supporting part, the second precision LOAD CELLS and a spike crimp setting successively；Upper supporting part sets
Leading power pressure contact portion, a spike is provided with leads power support；The power support of leading is provided with static contact, and the power pressure contact portion of leading is provided with dynamic touching
Head, when the power pressure contact portion of leading is crimped on and leads on power support, moving contact crimping is arranged on static contact；Under free state, lead power
Pressure contact portion exceeds leads power support；Compression spring during upper supporting part pressure-bearing stress, and then drive to lead to defeat and meet subordinate and move, when upper
When bearing member pressure-bearing stress is to predeterminable level, lead to defeat meeting subordinate and move to be crimped on and lead on power support；Moving contact and static contact electricity
During contact, produce a signal of telecommunication give be connected external central control circuit, when central control circuit receives this signal,
The data that display screen display the second precision LOAD CELLS measures；When central control circuit does not receives this signal, aobvious
Show the data that screen display the first precision LOAD CELLS measures；Lower supporting part is provided with mounting plate portion and is arranged at the bottom of mounting plate portion
The second deck on wall；Second precision LOAD CELLS is provided with the second fixed part, the second load deformations and is arranged on second and holds
The second resistance strain gage in power deformations；Second fixed part clamping is arranged in the second deck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610616211.7A CN106017639A (en) | 2016-01-20 | 2016-01-20 | Intelligent weighing sensor |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610096380.2A CN105937931A (en) | 2016-01-20 | 2016-01-20 | Intelligent combined weighing sensor |
| CN201610616211.7A CN106017639A (en) | 2016-01-20 | 2016-01-20 | Intelligent weighing sensor |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610096380.2A Division CN105937931A (en) | 2016-01-20 | 2016-01-20 | Intelligent combined weighing sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106017639A true CN106017639A (en) | 2016-10-12 |
Family
ID=56951216
Family Applications (10)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610615479.9A Withdrawn CN106033007A (en) | 2016-01-20 | 2016-01-20 | Intelligent combined weighing sensor |
| CN201610616211.7A Withdrawn CN106017639A (en) | 2016-01-20 | 2016-01-20 | Intelligent weighing sensor |
| CN201610614060.1A Withdrawn CN105973429A (en) | 2016-01-20 | 2016-01-20 | Intelligent weighing sensor |
| CN201610614173.1A Withdrawn CN106225894A (en) | 2016-01-20 | 2016-01-20 | A kind of intelligent combined LOAD CELLS |
| CN201610622945.6A Withdrawn CN106289481A (en) | 2016-01-20 | 2016-01-20 | A kind of intelligent weighing sensor |
| CN201610623899.1A Withdrawn CN105973432A (en) | 2016-01-20 | 2016-01-20 | Intelligent combined weighing sensor |
| CN201610096380.2A Withdrawn CN105937931A (en) | 2016-01-20 | 2016-01-20 | Intelligent combined weighing sensor |
| CN201610624052.5A Withdrawn CN106017657A (en) | 2016-01-20 | 2016-01-20 | Intelligent combined weighing sensor |
| CN201610619753.XA Withdrawn CN106052823A (en) | 2016-01-20 | 2016-01-20 | Intelligent weighing sensor |
| CN201610614110.6A Withdrawn CN106017630A (en) | 2016-01-20 | 2016-01-20 | Intelligent combined type weighing sensor |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610615479.9A Withdrawn CN106033007A (en) | 2016-01-20 | 2016-01-20 | Intelligent combined weighing sensor |
Family Applications After (8)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610614060.1A Withdrawn CN105973429A (en) | 2016-01-20 | 2016-01-20 | Intelligent weighing sensor |
| CN201610614173.1A Withdrawn CN106225894A (en) | 2016-01-20 | 2016-01-20 | A kind of intelligent combined LOAD CELLS |
| CN201610622945.6A Withdrawn CN106289481A (en) | 2016-01-20 | 2016-01-20 | A kind of intelligent weighing sensor |
| CN201610623899.1A Withdrawn CN105973432A (en) | 2016-01-20 | 2016-01-20 | Intelligent combined weighing sensor |
| CN201610096380.2A Withdrawn CN105937931A (en) | 2016-01-20 | 2016-01-20 | Intelligent combined weighing sensor |
| CN201610624052.5A Withdrawn CN106017657A (en) | 2016-01-20 | 2016-01-20 | Intelligent combined weighing sensor |
| CN201610619753.XA Withdrawn CN106052823A (en) | 2016-01-20 | 2016-01-20 | Intelligent weighing sensor |
| CN201610614110.6A Withdrawn CN106017630A (en) | 2016-01-20 | 2016-01-20 | Intelligent combined type weighing sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (10) | CN106033007A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106954874A (en) * | 2017-05-03 | 2017-07-18 | 孟英杰 | Automatic mixing and material device for breeding feed |
| CN114593806A (en) * | 2020-12-04 | 2022-06-07 | 梅特勒-托利多(常州)精密仪器有限公司 | Weighing module reaches weighing system including it |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5515161B2 (en) * | 2007-12-27 | 2014-06-11 | 株式会社タニタ | Weight scale |
| JP5005628B2 (en) * | 2008-07-15 | 2012-08-22 | 株式会社タニタ | Weighing scale with bottoming detection function and control method of weighing scale |
| CN202002716U (en) * | 2011-01-10 | 2011-10-05 | 广州市泰捷电子科技有限公司 | Human body weightometer |
| CN102889916A (en) * | 2011-07-22 | 2013-01-23 | 深圳市杰曼科技有限公司 | Wireless digital weighing sensor with zero power consumption in sleep mode |
| WO2016011625A1 (en) * | 2014-07-23 | 2016-01-28 | 王雅苹 | Electronic scale |
-
2016
- 2016-01-20 CN CN201610615479.9A patent/CN106033007A/en not_active Withdrawn
- 2016-01-20 CN CN201610616211.7A patent/CN106017639A/en not_active Withdrawn
- 2016-01-20 CN CN201610614060.1A patent/CN105973429A/en not_active Withdrawn
- 2016-01-20 CN CN201610614173.1A patent/CN106225894A/en not_active Withdrawn
- 2016-01-20 CN CN201610622945.6A patent/CN106289481A/en not_active Withdrawn
- 2016-01-20 CN CN201610623899.1A patent/CN105973432A/en not_active Withdrawn
- 2016-01-20 CN CN201610096380.2A patent/CN105937931A/en not_active Withdrawn
- 2016-01-20 CN CN201610624052.5A patent/CN106017657A/en not_active Withdrawn
- 2016-01-20 CN CN201610619753.XA patent/CN106052823A/en not_active Withdrawn
- 2016-01-20 CN CN201610614110.6A patent/CN106017630A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| CN106017657A (en) | 2016-10-12 |
| CN106225894A (en) | 2016-12-14 |
| CN105973429A (en) | 2016-09-28 |
| CN105937931A (en) | 2016-09-14 |
| CN106017630A (en) | 2016-10-12 |
| CN106033007A (en) | 2016-10-19 |
| CN105973432A (en) | 2016-09-28 |
| CN106289481A (en) | 2017-01-04 |
| CN106052823A (en) | 2016-10-26 |
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Application publication date: 20161012 |
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| WW01 | Invention patent application withdrawn after publication |