CN105973370A - Intelligent double-stage weighing electronic scale - Google Patents

Intelligent double-stage weighing electronic scale Download PDF

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Publication number
CN105973370A
CN105973370A CN201610613953.4A CN201610613953A CN105973370A CN 105973370 A CN105973370 A CN 105973370A CN 201610613953 A CN201610613953 A CN 201610613953A CN 105973370 A CN105973370 A CN 105973370A
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CN
China
Prior art keywords
mounting seat
load cells
precision
spike
power
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
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CN201610613953.4A
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Chinese (zh)
Inventor
申俊
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Chuzhou Beitengte Electrical Appliance Co Ltd
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Chuzhou Beitengte Electrical Appliance Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Chuzhou Beitengte Electrical Appliance Co Ltd filed Critical Chuzhou Beitengte Electrical Appliance Co Ltd
Priority to CN201610613953.4A priority Critical patent/CN105973370A/en
Publication of CN105973370A publication Critical patent/CN105973370A/en
Withdrawn legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01GWEIGHING
    • G01G19/00Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01GWEIGHING
    • G01G19/00Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/44Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing persons
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01GWEIGHING
    • G01G23/00Auxiliary devices for weighing apparatus
    • G01G23/005Means for preventing overload
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01GWEIGHING
    • G01G3/00Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
    • G01G3/12Weighing 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
    • G01G3/14Weighing 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)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)

Abstract

The invention discloses an intelligent double-stage weighing electronic scale. The intelligent double-stage weighing electronic scale comprises a loading plate, a base and double-stage weighing sensors, wherein the loading plate is used for placing an object to be weighed, the base is arranged beneath the loading plate, and the double-stage weighing sensors are arranged in the base and used for supporting the loading plate; each double-stage weighing sensor comprises a first mounting seat, a first precision weighing sensor, a first supporting leg, an elastic support part, a second mounting seat, a second precision weighing sensor and a second supporting leg which are sequentially arranged in a crimped mode; each first mounting base is provided with a force guide crimping part, and each second mounting base is provided with a mounting plate part and a force guide supporting part which is used for transmitting pressure borne by the force guide supporting part to the mounting plate part; in the free state, the force guide crimping parts are higher than the force guide supporting parts; when the first mounting seats bear pressure, the elastic support parts are compressed by the first mounting seats to move downwards; when the first mounting seats bear pressure at a preset degree, the force guide crimping parts of the first mounting seats move downwards to be crimped on the force guide supporting parts. The intelligent double-stage weighing electronic scale has double-stage continuous ranges, and different precision values exist in ranges of both stages.

Description

A kind of intelligent pair of rank weighing electronic scale
Technical field
The invention belongs to equalizer technology field, be specifically related to a kind of intelligent pair of rank weighing electronic scale.
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 pair of rank weighing electronic scale.
The technical scheme realizing the object of the invention is: a kind of intelligent pair of rank weighing electronic scale, including waiting to claim for putting The support board of object;It is characterized in that: also include being arranged on the base below support board and arrange in the base for supporting Double rank LOAD CELLS of support board;Each pair of rank LOAD CELLS includes crimping the first mounting seat of setting, the first precision successively LOAD CELLS, first spike, elastic supporting piece, the second mounting seat, the second precision LOAD CELLS and second spike;The One mounting seat is provided with to be led power pressure contact portion and is positioned at the first deck leading power pressure contact portion center;First precision LOAD CELLS is provided with First fixed part, the first load deformations and the first resistance strain gage being arranged in the first load deformations;Described first is solid Determining portion's clamping to be arranged in the first deck, the first load deformations crimping is arranged on the top of first spike;Second installs Seat is provided with mounting plate portion and for self pressure being passed to power of the leading support of mounting plate portion;Lead power support top to set Having static contact, power of the leading pressure contact portion of the first mounting seat is provided with the moving contact adaptive with this static contact;Under free state, lead to defeat connecing Portion exceeds and leads power support;Elasticity of compression supporting member during the first mounting seat pressure-bearing stress and move down;When the first mounting seat pressure-bearing is subject to When power is to predeterminable level, the leading of the first mounting seat is defeated and is met subordinate and move to be crimped on and lead on power support, and moving contact is pressed the most therewith Connect and be arranged on static contact.
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, although the first precision LOAD CELLS and the second precision LOAD CELLS stress simultaneously, but the first precision can be utilized to weigh The independent check weighing of sensor, namely externally connected with display screen only shows the data that the first precision LOAD CELLS measures, its accuracy value is The accuracy value of one precision LOAD CELLS, general uses higher precision, and such as accuracy value is 1 gram or less;In the second amount When weighing in journey, namely lead to defeat and meet subordinate and move to be crimped on when leading on power support, although the first precision LOAD CELLS and Second precision LOAD CELLS stress simultaneously, but the second independent check weighing of precision LOAD CELLS can be utilized, namely external display Screen only shows the data that the second precision LOAD CELLS measures, and its accuracy value is the accuracy value of the second precision LOAD CELLS, one As to use relatively low precision, such as accuracy value be 100 grams or bigger;It addition, the present invention weighs in second-order range ability Time, now lead to defeat meeting subordinate and move to be crimped on and lead on power support, spring deformation is not further added by, namely is applied to the first precision Pressure on LOAD CELLS is not further added by, thus effectively protects the first precision LOAD CELLS so that it is will not be overweight because of load And damage;Additionally, the present invention is by selecting spring as elastic supporting piece, can defeat by selecting suitable spring to make to lead Meet portion and lead there is between power support suitable clearance distance, the processing to the second mounting seat and elastic supporting piece can be reduced Required precision, can guarantee that again comfort during use.
Accompanying drawing explanation
Fig. 1 is a kind of perspective view 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 a kind of side view of electronic scale shown in Fig. 1;
Fig. 4 is that in electronic scale shown in Fig. 1, double rank LOAD CELLS is in the first rank range and weighs a kind of structural representation of state;
Fig. 5 is that double rank LOAD CELLS shown in Fig. 4 are in second-order range and weigh a kind of structural representation of state;
Fig. 6 is the first precision LOAD CELLS and a kind of explosive view of lower supporting part in double rank LOAD CELLS shown in Fig. 4;
Fig. 7 is the first precision LOAD CELLS shown in Fig. 6 and the lower supporting part a kind of explosive view when another angle is observed;
Fig. 8 is the second precision LOAD CELLS and a kind of explosive view of a spike in double rank LOAD CELLS shown in Fig. 4;
Fig. 9 is the second precision LOAD CELLS shown in Fig. 8 and the spike a kind of explosive view when another angle is observed;
Figure 10 is that in the second structure of the present invention, double rank LOAD CELLS is in weigh a kind of structure of state of the first rank range and shows It is intended to;
Figure 11 is that double rank LOAD CELLS shown in Figure 10 are in second-order range and weigh a kind of structural representation of state;
Figure 12 is the second precision LOAD CELLS and a kind of explosive view of second spike in double rank LOAD CELLS shown in Figure 10;
Figure 13 is the second precision LOAD CELLS shown in Figure 10 and second spike a kind of explosive view when another angle is observed;
Figure 14 is that in the third structure of the present invention, double rank LOAD CELLS is in weigh a kind of structure of state of the first rank range and shows It is intended to;
Figure 15 is a kind of structural representations when removing regulation screw of double rank LOAD CELLS shown in Figure 14;
Figure 16 is a kind of structural representation regulating screw in double rank LOAD CELLS shown in Figure 14;
Figure 17 is that double rank LOAD CELLS shown in Figure 14 are in second-order range and weigh a kind of structural representation of state;
Figure 18 is that in the 4th kind of structure of the present invention, double rank LOAD CELLS is in weigh a kind of structure of state of the first rank range and shows It is intended to;
Figure 19 is that double rank LOAD CELLS shown in Figure 18 are in second-order range and weigh a kind of structural representation of state;
Figure 20 is that in the 5th kind of structure of the present invention, double rank LOAD CELLS is in weigh a kind of structure of state of the first rank range and shows It is intended to;
Figure 21 is that double rank LOAD CELLS shown in Figure 20 are in second-order range and weigh a kind of structural representation of state.
Detailed description of the invention
(embodiment 1)
The present embodiment is a kind of intelligent pair of rank weighing electronic scale, as shown in Fig. 1 to Fig. 9, including for putting object to be claimed Support board 91;It is characterized in that: also include being arranged on the base 92 below support board with four arranged in the base for propping up Double rank LOAD CELLS 93 of carrier plate.
The each pair of rank LOAD CELLS include crimping successively first mounting seat the 1, first precision LOAD CELLS 2 of setting, One spike 3, elastic supporting piece the 4, second mounting seat the 5, second precision LOAD CELLS 6 and second spike 7.
On the diapire of the first mounting seat, power of the leading pressure contact portion 11 being provided with annular leads the first of power pressure contact portion center with being positioned at Deck 12;In the present embodiment, described in lead the diapire of power pressure contact portion 11 be a planar annular, the roof of the first mounting seat also has One plane, for being bonded and fixed at the diapire of external support board.
First precision LOAD CELLS is provided with first fixed part the 21, first load deformations 22 and is arranged on the first load The first resistance strain gage 23 in deformations;First resistance strain gage can be generation during the first load deformations pressure-bearing stress Deformation is converted into the signal of telecommunication;Described first fixed part clamping is arranged in the first deck, and the first load deformations crimping is arranged on On the top of first spike.
In the present embodiment, the first precision force cell is LOAD CELLS for kitchen use, and its range is 0 to 5 kilogram, precision Value can reach 1 gram;Specifically, the shape of described first fixed part be by four edges combination formed rectangular box-like, first holds The shape of power deformations is to be combined, by a base and three straight flanges arranging with this base vertical, " mountain " font formed, the One load deformations is arranged in the rectangle frame of the first fixed part, the central straight in three straight flanges of described first load deformations The inner side edge wall of the end on limit and a frame middle-end of the first fixed part is connected.The structure shape of this first precision LOAD CELLS Shape is relatively reasonable, it is easy to by impact style processing and manufacturing, and cost is relatively low.
In the present embodiment, the basic configuration of first spike is cylindrical, and the top of the periphery wall of first spike is provided with The annular pressure contact portion 32 of evagination, bottom is as traveller portion 33;The roof of first spike is provided with protruding upward two location Coupling boss 34, each location couples boss and is provided with screw;Described three straight flanges of first load deformations are positioned at center straight flange Two straight flanges of both sides, are respectively provided with first fastener hole 221;Two the first screws 31 are through corresponding first fastener hole It is rotated with after 221 in a corresponding location couples the screw of boss, thus the top of first spike is spirally connected and is fixed on first On the diapire of load deformations.This structure, while realizing first load deformations first spike of crimping, also utilizes the One load deformations direct position first support foot, its structure more simplifies compact.
In concrete practice, it is possible to by anchor mode, the top of first spike is fixed on the first load deformations On, two anchor boss protruding upward are such as set on the roof of first spike, the first load deformations is arranged Two anchor holes, each boss that is anchored passes anchor process after a corresponding anchor hole, and this mode is also effective and feasible.
Second mounting seat is provided with mounting plate portion 51, for self pressure being passed to power of the leading support of mounting plate portion 52, the holding part 56 enclosing formation containing cavity 55 below mounting plate portion it is positioned at.In the present embodiment, lead power support top end face It it is a planar annular adaptive with leading power pressure contact portion diapire.
Mounting plate portion is horizontally disposed with, and the diapire of mounting plate portion is provided with the second deck 54, and the roof of mounting plate portion is provided with The tube shape bulge 53 with sliding chamber protruding upward;The power support of leading is the annular boss projecting upwards formation from mounting plate portion, Described first spike, elastic supporting piece and tube shape bulge 53 are located in the cavity that this annular boss surrounds.This structure makes Power support must be led under coordinating with the first mounting seat, elastic supporting piece, first spike and the first precision can be weighed Sensor is trapped among wherein, elastic supporting piece and the first precision LOAD CELLS is had certain protective effect so that it is be susceptible to Disturb to extraneous factor.The existence of the first deck and the second deck is so that the first precision LOAD CELLS and the second precision claim The installation of weight sensor operates more rapid and convenient.
In the present embodiment, elastic supporting piece is screw thread spring;Elastic supporting piece is set on tube shape bulge, elastic supporting piece Top be connected on the diapire of annular pressure contact portion 32 of first spike, the bottom of elastic supporting piece is connected to mounting plate portion On roof;The traveller portion 33 of first spike is positioned in the sliding chamber of tube shape bulge, and can slide up and down along sliding chamber.This structure makes The first mounting seat when load pressurized, can be passed self bearing pressure by the first precision LOAD CELLS and first spike Pass elastic supporting piece so that the screw thread spring as elastic supporting piece is shortened by compression, so that the first mounting seat moves down; When the first mounting seat pressure-bearing stress exceedes predeterminable level, power of the leading pressure contact portion of the first mounting seat will be displaced downwardly to be crimped on the second peace On power of the leading support of dress seat.
This relatively reasonable in structure, preferably spring can be accurately positioned, prevent its eccentric displacement, it addition, this Plant structure to be especially suitable for quickly assembling and later maintenance replacing.Additionally, this structure is also fully utilized by the performance advantage of spring, By selecting suitable spring, so that during free state, power of the leading pressure contact portion of the first mounting seat and leading of the second mounting seat The gap on power support top is in suitably sized, it is generally preferable to be 1 millimeter to 5 millimeters, and 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 under Move to be crimped on and lead on power support, namely move down whole above-mentioned gap size;Too small gap may require that higher processing essence Degree, improves technology difficulty and manufacturing cost.
Second precision LOAD CELLS is provided with second fixed part the 61, second load deformations 62 and is arranged on the second load The second resistance strain gage 63 in deformations, the second resistor disc is for being converted into the signal of telecommunication the deformation of the second load deformations; Second fixed part clamping is arranged in the second deck, and the second load deformations is less than described mounting plate portion, reserves sky for its deformation Between, the second load deformations crimping is arranged on the top of second spike.
In the present embodiment, the second precision LOAD CELLS is human body weighing's sensor, and its range is 0 kilogram to 50 kilograms, Accuracy value is 100 grams.
The present embodiment is owing to using four double rank LOAD CELLSs, and the scope of weighing of the first rank range is 0 to 20 kilogram, can To meet the demand that daily small articles is weighed, the scope of weighing of second-order range is 20 to 200 kilograms, can meet human body weighing Demand.
In the present embodiment, the second precision LOAD CELLS is structurally similar to the first 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 second fixed part is By four edges combination formed rectangular box-like, the shape of the second 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 second load deformations is arranged in the frame of the second fixed part, and described second 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 second fixed part Even.The first precision LOAD CELLS and the second precision LOAD CELLS in the present embodiment are suitable for by impact style processing system Make, advantageously reduce manufacturing cost.
In the present embodiment, the first precision LOAD CELLS used and the second precision LOAD CELLS may be used without the widest For circulation and the cheapest force cell of price, thus effectively reduce manufacturing cost.
In the present embodiment, the basic configuration of second spike is cylindric, and its bottom is provided with rubber slipmat 71.This reality Execute in example second spike to be fixedly installed on the second precision LOAD CELLS by screw connection manner, specifically, second The top of spike is provided with two installation screws 72, and the second load deformations is provided with two the second fastener holes 621;Second spike Top by two with installation screw adaptation the second screws 73 be directly anchored on the diapire of the second load deformations.This reality Execute in example, two straight flanges being positioned at straight flange both sides, center in described three straight flanges of second load deformations, it is respectively provided with one Two fastener holes.Certainly, described second spike also can be fixedly installed in the second load deformations by anchor mode.Such as, Arranging two anchor boss protruding upward on the roof of second spike, each boss that is anchored is through corresponding one second fastening Kong Hou, then carry out anchoring process.This structure, while realizing second load deformations second spike of crimping, also utilizes the Two load deformations directly position second spike, and its structure more simplifies compact.
In the present embodiment, holding part and mounting plate portion are made into integration, and the second precision LOAD CELLS and second spike set Putting in this containing cavity, the bottom of second spike also extends downwardly from this containing cavity.The advantage of this structure is can be to Two precision LOAD CELLSs and second spike are protected, and prevent extraneous factor from disturbing it.The present embodiment is leading Power support, mounting plate portion and holding part are formed integrally part, in concrete practice, it is possible to it each makes split part, finally Fit together, be also feasible.
In the present embodiment, being provided with containing cavity bottom opening at holding part bottom center, this opening part is provided with for blocking appearance Put the capping 58 of chamber bottom opening, at cap central, be provided with center hole 581;The bottom of second spike extends downwardly from capping Leave gap between center hole, and the inwall of the periphery wall of second spike and cap central circular hole, thus ensure the second peace Dress seat does not directly contact with second spike, prevents from leading power support and self pressure is directly passed to the by holding part Two spikes, it is ensured that lead power support and self pressure is passed sequentially through mounting plate portion, the second precision LOAD CELLS transmission To second spike.It addition, capping with holding part with the use of, the first precision LOAD CELLS being pointed in containing cavity is carried out Preferably protection.
In the present embodiment, the range of the first precision LOAD CELLS is less 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 less 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 first precision LOAD CELLS pressure is limited in its range ability, thus prevent the first LOAD CELLS because of overweight and by crushing;This The advantage of kind of limiter protected mode is: owing to the elastic deformation of strain gauge load cell is the least, such as in the present embodiment the Deformation difference in height in the whole range of one precision LOAD CELLS is calculated in microns, if using rigid support to replace this enforcement Spring in example, then the gap between power of leading pressure contact portion and power of the leading support of the second mounting seat of the first mounting seat also must be with Micron is weighed, and this is the most too high to requirement on machining accuracy, and causes in view of the error in materials processing molding and the temperature difference Material expand change, industrial be difficulty with;If but use spring to amplify deformation, just can effectively reduce machining accuracy and want Summation manufacturing cost.
The outer wall of the present embodiment the second mounting seat is provided with the clamping installation portion 57 for installing self entirety, and this clamping is pacified Dress portion is the wedge shape latch outwardly formed from the second mounting seat outer wall.Base 92 is provided with four buckling grooves, and each pair of rank claim Weight sensor is fixed in a corresponding buckling groove by clamping installation portion;This mounting means more simplifies, and each pair Rank LOAD CELLS can independently dismount, it is simple to overhauls and changes.
The present embodiment also includes the governor motion 8 for regulating elastic supporting piece height;On the periphery wall of the first mounting seat Being provided with the stopper section 13 of evagination, the periphery wall leading power support is provided with external screw thread district 521;Governor motion includes regulating spiral cover 81 With to top spiral cover 82;This regulation rotation upper part of the cover inwall is provided with the annular anticreep pressure contact portion 811 of convex, and the inwall of bottom sets There is the internal threaded regions 812 adaptive with leading power support external screw thread district;Described anticreep pressure contact portion is set in being positioned at of the first mounting seat On periphery wall above stopper section, and it is crimped on stopper section;Top spiral cover rotation is located in the external screw thread district leading power support, this In embodiment, top spiral cover is positioned at the lower section of regulation spiral cover, and apical grafting is on regulation spiral cover.Under external force, described backstop Portion can slide up and down between power support top at anticreep pressure contact portion and leading.The advantage of this kind of structure is: at concrete practice In, spring is owing to being restricted by its processing technique, and its concordance is difficult to ensure that, owing to weighing scale and kitchen scale typically can be simultaneously Using four double rank LOAD CELLSs, the spring that concordance is difficult to ensure that will cause the height slightly district of four LOAD CELLSs Not, impact assembles and uses, and even when user picks up electronic scale observation, the bottom of each second spike is not at same plane On, pole is unsightly;The present embodiment uses governor motion to adjust the whole height of elastic supporting piece, though so that the present embodiment Use the spring that error is slightly larger, also have only to regulation spiral cover to be rotated in place, the concordance of whole height can be ensured.
In the present embodiment, leading power support top and be provided with static contact 91, power of the leading pressure contact portion of the first mounting seat is provided with and is somebody's turn to do The moving contact 92 that static contact is adaptive;When this lead power pressure contact portion be crimped on lead on power support time, moving contact crimping be arranged on stationary contact On head, both realize electrical connection.In concrete practice, when moving contact and static contact electrical contact, produce a signal of telecommunication to being connected External central control circuit, when central control circuit receives this signal, show that the second precision is weighed biography on a display screen The data that sensor measures;When central control circuit does not receives this signal, show the first precision weighing and sensing on a display screen The data that device measures;In other words, this dynamic/static contact combines the signal automatically can changed as display screen video data Permutator;This structure, can simplify the programming of CPU element in central control circuit.In concrete practice, also can use it Its structure, replaces the combination of this dynamic/static contact for example with tongue tube, proximity switch etc..
The operation principle of each pair of rank LOAD CELLS is:
First mounting seat is in free state namely when not bearing pressure, and top and the power pressure contact portion of leading thereof of the first mounting seat all exceed Lead the top of power support;
Compression spring during the first mounting seat pressure-bearing stress thus move down, when the first mounting seat pressure-bearing stress less than 5 kilogram time, also Time i.e. in the first rank range ability, by selecting suitable spring and selecting suitable power of leading pressure contact portion and lead power support Spacing so that this rank range in weigh time, the power pressure contact portion of leading will not be crimped onto and cause on support, namely first install Seat bears whole pressure, and passes to the first precision LOAD CELLS, first spike, spring, the second mounting seat successively Mounting plate portion, the second precision LOAD CELLS and second spike;The first essence is shown now by external central control circuit The data that degree LOAD CELLS measures, its accuracy value is up to 1 gram;
When the first mounting seat pressure-bearing stress is less than 50 kilograms and is more than or equal to 5 kilogram, namely in second-order range ability Time interior, the power pressure contact portion of leading can be crimped on leads on power support, owing to spring deformation is not further added by so that the first precision weighing and sensing Device stress is not further added by, thus effectively protects the first precision LOAD CELLS will not be because of overweight crushing;It practice, now first peace In dress seat pressure, (actually this force value size is determined by pre-set springs deformation degree, can be slightly larger than 5,000 5 kilograms Gram force) pass to the first precision LOAD CELLS, first spike, spring, the mounting plate portion of the second mounting seat, the second essence successively Degree LOAD CELLS and second spike;Remaining pressure is then by leading power pressure contact portion and leading power support and pass to installing plate successively Portion, the second precision LOAD CELLS and second spike;At this moment the second precision LOAD CELLS is shown by central control circuit The data measured, its accuracy value only has 100 grams.
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 first precision LOAD CELLS because of overweight and crushing;In addition outside the present embodiment the second mounting seat Wall is provided with the clamping installation portion for installing self entirety, when assembling, can entire card be contained on external plastic feet, operation Simple and direct facility.
(embodiment 2)
The present embodiment is substantially the same manner as Example 1, and difference is: as shown in Figure 10 to Figure 13, in the present embodiment, and the second essence The planform of degree LOAD CELLS, second spike and capping is different with embodiment 1, the second precision in the present embodiment LOAD CELLS is still provided with second fixed part the 61, second load deformations 62 and the use being arranged in the second load deformations In the second resistance strain gage 63 detecting the second load deformations deflection;But the second precision LOAD CELLS in the present embodiment Shape be similar to instead " G " font, its second fixed part approximation " C " font, the shape of the second load deformations is similar to one Less " C " font, and be connected with the second fixed part, combination forms anti-" G " font.The amount of this kind the second precision LOAD CELLS Journey is the most same as in Example 1 with accuracy value, and this structure also can be made by impact style, and its manufacturing process is simpler.
In the present embodiment, the second fixed part in the second precision LOAD CELLS is still installed on mounting plate portion diapire In second deck, the present embodiment no longer uses the second screw that the second load deformations and second spike are spirally connected and are fixed on one Rise, but the second load deformations is directly crimped on the top being arranged on second spike;But by screw connection manner the The assembling mode that the top of two spikes is joined directly together with the second load deformations is still feasible.
Capping in the present embodiment includes interior cover region 582, outer cover region 583 and connects interior cover region and a plurality of spiral shell of outer cover region Rotation elastic arm 584, center hole is arranged at inner cap district center, and the outer wall of second spike is adhesively fixed centrally disposed circular hole In.Little owing to spiral elastic arm can be made sufficiently thin, this kind of structure can fully reduce second spike outer wall and the second peace The power transmitted by capping between dress seat so that it is the error caused affects for the precision in second-order range, reaches to ignore The degree disregarded.
The present embodiment reduce further the structural requirement to the second precision LOAD CELLS, and simplifies assembly operation, Manufacturing cost can be reduced further.
(embodiment 3)
The present embodiment is substantially the same manner as Example 1, and difference is: as shown in Figure 14 to Figure 17, and the present embodiment is no longer arranged Static contact 91 and moving contact 92, the top of the periphery wall of first spike no longer arranges annular pressure contact portion 32, and bottom does not remakes Use for traveller portion 33.
In the present embodiment, the center of first spike is provided with adjustment hole 35, the center of the tube shape bulge 53 of mounting plate portion Place, is additionally provided with the circle from mounting plate portion is protruding upward and couples pylon 59, and the roof center of this connection pylon is provided with connection spiral shell Hole 591;Tube shape bulge couples pylon and encloses formation annular spacing groove 592 with circle;The bottom of spring is positioned at this annular spacing groove In, and be connected in mounting plate portion, the top of spring is connected on the diapire of first spike.
Being used in the present embodiment regulates the governor motion 8 of elastic supporting piece height and no longer includes regulating spiral cover 81 and to top Spiral cover 82, only include regulate screw 83, this regulation screw be sequentially provided with from top to bottom the portion of screwing 831, slide connecting part 832 and with regulation The spiro union portion 833 that hole is adaptive, screws the external diameter external diameter more than slide connecting part in portion, and the shape of slide connecting part is the cylinder that outer wall is smooth Shape;The adjustment hole of described first spike is stepped hole, be the most successively the bigger crimping porose area 351 in aperture and aperture relatively Little slide opening district 352, the diapire of crimping porose area is as electrolysis 353, and slide opening district is the circular hole that hole wall is smooth;Described spiro union portion spiral shell Connect and be fixed in the connection screw 591 coupling pylon 59;During free state, under the top pressure effect of spring, the portion of screwing is positioned at pressure Connect in porose area, and the diapire screwing portion is crimped on the diapire of crimping porose area, namely on described electrolysis;Slide connecting part 832 then position In slide opening district;Under external force, described first spike can regulation screw slide connecting part 832 guide effect under on glide Dynamic.This structure connects first spike and the mounting plate portion of the second mounting seat by using regulation screw so that first supports Foot and spring will not be lost because of split;Simultaneously by this regulation screw of turn, can directly adjust the first mounting seat leads power Clearance distance between power of the leading support of pressure contact portion and the second mounting seat, its structure comparison compact and reasonable.
(embodiment 4)
The present embodiment is substantially the same manner as Example 4, and difference is: as shown in Figure 18 to Figure 19, due to regulation screw 83 quilt First mounting seat encloses Tibetan wherein with leading power support, it is impossible to again tune after overall package, so the regulation in the present embodiment Mechanism 8 also includes regulating spiral cover 81 and to top spiral cover 82;The periphery wall of the first mounting seat is provided with the stopper section 13 of evagination, leads power The periphery wall of support is provided with external screw thread district 521;This regulation rotation upper part of the cover inwall is provided with the annular anticreep crimping of convex Portion 811, the inwall of bottom is provided with and leads the internal threaded regions 812 that power support external screw thread district is adaptive;Described anticreep pressure contact portion set It is located at being positioned on the periphery wall above stopper section of the first mounting seat, and is crimped on stopper section;Top spiral cover rotation is located at the power of leading In the external screw thread district of support, in the present embodiment, top spiral cover is positioned at the lower section of regulation spiral cover, and apical grafting is on regulation spiral cover. Under external force, described stopper section can slide up and down between power support top at anticreep pressure contact portion and leading.This kind of structure Advantage be: in concrete practice, spring is owing to being restricted by its processing technique, and its concordance is difficult to ensure that, due to people Body scale and kitchen scale typically can use four double rank LOAD CELLSs simultaneously, and the spring that concordance is difficult to ensure that will cause four The height of LOAD CELLS is slightly distinguished, and impact assembles and uses, even when user picks up electronic scale observation, and each second The most at grade, pole is unsightly in the bottom of spike;The present embodiment uses governor motion to adjust the overall high of elastic supporting piece Degree, even if so that the present embodiment uses the slightly larger spring of error, also has only to a regulation spiral cover to be rotated in place, can ensure The concordance of whole height.
Additionally, in the present embodiment, lead power support top and be provided with static contact 91, power of the leading pressure contact portion of the first mounting seat is provided with The moving contact 92 adaptive with this static contact;When this lead power pressure contact portion be crimped on lead on power support time, moving contact crimping be arranged on On static contact, both realize electrical connection.In concrete practice, when moving contact and static contact electrical contact, produce a signal of telecommunication and give The external central control circuit being connected, when central control circuit receives this signal, shows that the second precision claims on a display screen The data that weight sensor measures;When central control circuit does not receives this signal, show that the first precision is weighed on a display screen The data that sensor measures;In other words, this dynamic/static contact combines and automatically can change as display screen video data Signal switch;This structure, can simplify the programming of CPU element in central control circuit.In concrete practice, also can adopt Use other structure, replace the combination of this dynamic/static contact for example with tongue tube, proximity switch etc..
(embodiment 5)
The present embodiment is substantially the same manner as Example 5, and difference is: as shown in Figure 20 to Figure 21, in the present embodiment, and the second essence The planform of degree LOAD CELLS, second spike and capping is different with embodiment 5, the second precision in the present embodiment LOAD CELLS is still provided with second fixed part the 61, second load deformations 62 and the use being arranged in the second load deformations In the second resistance strain gage 63 detecting the second load deformations deflection;But the second precision LOAD CELLS in the present embodiment Shape be similar to instead " G " font, its second fixed part approximation " C " font, the shape of the second load deformations is similar to one Less " C " font, and be connected with the second fixed part, combination forms anti-" G " font.The amount of this kind the second precision LOAD CELLS Journey is the most same as in Example 1 with accuracy value, and this structure also can be made by impact style, and its manufacturing process is simpler.
In the present embodiment, the second fixed part in the second precision LOAD CELLS is still installed on mounting plate portion diapire In second deck, the present embodiment no longer uses the second screw that the second load deformations and second spike are spirally connected and are fixed on one Rise, but the second load deformations is directly crimped on the top being arranged on second spike;But by screw connection manner the The assembling mode that the top of two spikes is joined directly together with the second load deformations is still feasible.
Capping in the present embodiment includes interior cover region 582, outer cover region 583 and connects interior cover region and a plurality of spiral shell of outer cover region Rotation elastic arm 584, center hole is arranged at inner cap district center, and the outer wall of second spike is adhesively fixed centrally disposed circular hole In.Little owing to spiral elastic arm can be made sufficiently thin, this kind of structure can fully reduce second spike outer wall and the second peace The power transmitted by capping between dress seat so that it is the error caused affects for the precision in second-order range, reaches to ignore The degree disregarded.
The present embodiment reduce further the structural requirement to the second precision LOAD CELLS, and simplifies assembly operation, Manufacturing cost can be reduced further.
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 pair of rank weighing electronic scale, including the support board for putting object to be claimed;It is characterized in that: also include It is arranged on the base below support board and the double rank LOAD CELLS for supporting support board in the base is set;Each pair of rank claim Weight sensor includes crimping the first mounting seat of setting, the first precision LOAD CELLS, first spike, elastic bearing successively Part, the second mounting seat, the second precision LOAD CELLS and second spike;First mounting seat is provided with to be led power pressure contact portion and being positioned at and leads First deck of power pressure contact portion center;First precision LOAD CELLS is provided with the first fixed part, the first load deformations and sets Put the first resistance strain gage in the first load deformations;Described first fixed part clamping is arranged in the first deck, and first The crimping of load deformations is arranged on the top of first spike;Second mounting seat is provided with mounting plate portion and for suffered by self Pressure transmission is to power of the leading support of mounting plate portion;Leading power support top and be provided with static contact, the leading to defeat of the first mounting seat connects Portion is provided with the moving contact adaptive with this static contact;Under free state, the power pressure contact portion of leading exceeds leads power support;First mounting seat is held Pressure stress time elasticity of compression supporting member and move down;When the first mounting seat pressure-bearing stress is to predeterminable level, leading of the first mounting seat Defeating and meet subordinate and move to be crimped on and lead on power support, moving contact crimps the most therewith and is arranged on static contact.
CN201610613953.4A 2016-01-20 2016-01-20 Intelligent double-stage weighing electronic scale Withdrawn CN105973370A (en)

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CN201610096335.7A CN105937930A (en) 2016-01-20 2016-01-20 Intelligent dual-step electronic weighing scale

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CN201610616570.2A Withdrawn CN106225895A (en) 2016-01-20 2016-01-20 A kind of intelligent pair of rank weighing electronic scale of veneer
CN201610096335.7A Withdrawn CN105937930A (en) 2016-01-20 2016-01-20 Intelligent dual-step electronic weighing scale
CN201610615478.4A Withdrawn CN105973376A (en) 2016-01-20 2016-01-20 Intelligent double-stage weighing electronic scale
CN201610613783.XA Withdrawn CN105973428A (en) 2016-01-20 2016-01-20 Intelligent weighing electronic scale
CN201610622942.2A Withdrawn CN106052824A (en) 2016-01-20 2016-01-20 Single-plate double-order weighing electronic scale
CN201610615477.XA Withdrawn CN106153170A (en) 2016-01-20 2016-01-20 A kind of intelligent pair of rank weighing electronic scale
CN201610619503.6A Withdrawn CN105973371A (en) 2016-01-20 2016-01-20 Single-plate intelligent double-stage weighing electronic scale
CN201610613953.4A Withdrawn CN105973370A (en) 2016-01-20 2016-01-20 Intelligent double-stage weighing electronic scale
CN201610613738.4A Withdrawn CN106033005A (en) 2016-01-20 2016-01-20 Intelligent weighing electronic scale
CN201610613826.4A Withdrawn CN106225898A (en) 2016-01-20 2016-01-20 A kind of veneer double rank weighing electronic scale

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CN201610096335.7A Withdrawn CN105937930A (en) 2016-01-20 2016-01-20 Intelligent dual-step electronic weighing scale
CN201610615478.4A Withdrawn CN105973376A (en) 2016-01-20 2016-01-20 Intelligent double-stage weighing electronic scale
CN201610613783.XA Withdrawn CN105973428A (en) 2016-01-20 2016-01-20 Intelligent weighing electronic scale
CN201610622942.2A Withdrawn CN106052824A (en) 2016-01-20 2016-01-20 Single-plate double-order weighing electronic scale
CN201610615477.XA Withdrawn CN106153170A (en) 2016-01-20 2016-01-20 A kind of intelligent pair of rank weighing electronic scale
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CN113447100B (en) * 2021-08-30 2021-10-29 江苏卓铭电子科技有限公司 Elastomer of weighing sensor and weighing system

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Publication number Priority date Publication date Assignee Title
US11796528B2 (en) * 2021-02-04 2023-10-24 Chengdu Qinchuan Iot Technology Co., Ltd. Method and system for measuring energy of natural gas

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CN106225898A (en) 2016-12-14
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CN105973376A (en) 2016-09-28
CN106052824A (en) 2016-10-26
CN106225895A (en) 2016-12-14
CN106033005A (en) 2016-10-19
CN106153170A (en) 2016-11-23
CN105973371A (en) 2016-09-28

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