CN108369129A - Electronic balance - Google Patents
Electronic balance Download PDFInfo
- Publication number
- CN108369129A CN108369129A CN201580085415.6A CN201580085415A CN108369129A CN 108369129 A CN108369129 A CN 108369129A CN 201580085415 A CN201580085415 A CN 201580085415A CN 108369129 A CN108369129 A CN 108369129A
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- China
- Prior art keywords
- frame
- fixed
- blocky
- generating apparatus
- force generating
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G7/00—Weighing apparatus wherein the balancing is effected by magnetic, electromagnetic, or electrostatic action, or by means not provided for in the preceding groups
- G01G7/02—Weighing apparatus wherein the balancing is effected by magnetic, electromagnetic, or electrostatic action, or by means not provided for in the preceding groups by electromagnetic action
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G21/00—Details of weighing apparatus
- G01G21/24—Guides or linkages for ensuring parallel motion of the weigh-pans
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Force In General (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
From the close beneath of electromagnetism force generating apparatus (6) until the close beneath of fixing piece (42) broad range, the 1st frame (4) is supported from below by the 2nd frame (5), and the fixing piece (42) is fixed in the end of movable column (31) side of extension (321).Thus, even if the load of weighing disk (2) or the dead weight of blocky mechanism body (3), in the case where acting on the direction for pressing the 1st frame (4) downwards via fixing piece (42), also it can will be loaded from the 1st frame (4) in the close beneath of the fixing piece (42) and be transferred to the 2nd frame (5), via the 2nd frame (5), load is transferred to base component (1) in the close beneath of electromagnetism force generating apparatus (6).Therefore, it is possible to prevent the deformation of the 1st frame (4), to improve biased error characteristic.
Description
Technical field
The present invention relates to digging through one block of base material and the blocky mechanism body that is formed is equipped with the electronic balance of weighing plate.
Background technology
The electronic balance of so-called electromagnetic force equilibrium type, such as have and generated with the electromagnetic force of moving coil and magnetic circuit
Device.Magnetic circuit is the composition for including permanent magnet and yoke etc., can form magnetostatic field in inside.Moving coil is configured by magnetic
In the magnetostatic field that road is formed, and can be along its axis direction displacement.
The weighing plate for having loaded measurement object object links via lever and moving coil, as lever is due to measurement object object
Load be subjected to displacement, with lever connection moving coil displacement.At this point, the displacement of lever is detected by detector, with the lever
The mode feedback control to unshift is flowed to the electric current of moving coil, and thus, it is possible to the matter according to the current value to measurement object object
Amount measures.
This electronic balance, such as have the Luo Bai Weirs mechanism that the displacement of weighing plate is limited in vertical direction.Luo Bai
Weir mechanism is the fixed column for movable column and the base component for being fixed in electronic balance main body to being mounted with weighing plate
Into the mechanism of joining line, and it is configured to：With movable column since the load of measurement object object is subjected to displacement, Luo Bai Weirs mechanism is scratched
It is bent.Above-mentioned lever links with movable column, with the displacement of movable column, the lever also displacement.
Conventionally, there is known the blocky mechanism body formed by digging through one block of base material, makes the primary Weir machine of sieve as described above
The composition that structure, movable column, fixed column and lever are integrally formed (for example, referring to following patent documents 1).Like this, lead to
Using one, uniform composition is crossed, response and temperature characterisitic can be improved.
Fig. 6 is the schematic sectional view for the configuration example for showing previous electronic balance.The electronic balance is electromagnetic force equilibrium
Type electronic balance, have weighing plate 101, blocky mechanism body 102, the 1st frame 103, the 2nd frame 104, base component 105 and
Electromagnetism force generating apparatus 106 etc..
Blocky mechanism body 102 has following constitute：By digging through one block of base material, and movable column 102a is integrally formed, consolidates
Fixed column 102b and Luo Bai Weir mechanism 102c etc..The upper end and lower end of movable column 102a and fixed column 102b, leads to
Reciprocally link after a pair of of the Luo Bai Weirs mechanism 102c extended in the horizontal direction.As a result, with movable column 102a or more
It is mobile, a pair of of Luo Bai Weirs mechanism 102c flexures, so as to which the displacement of movable column 102a is limited in vertical direction.
Weighing plate 101 is installed in the upper surface of movable column 102a.Fixed column 102b is formed with the extension of elongate in shape
102d, extension 102d extend to the sides movable column 102a along Luo Bai Weirs mechanism 102c, and the one end of the 1st frame 103 is logical
It crosses multiple bolts 107 and is fixed in extension 102d.
The another side of 1st frame 103 extends to the rear of fixed column 102b along horizontal direction (with movable column 102a mono-
The opposite side in side), electromagnetism force generating apparatus 106 is installed in the other end.As a result, arrangement for producing electromagnetic force 106 with
Position adjacent fixed column 102b is kept by the 1st frame 103 together with blocky mechanism body 102.
2nd frame 104 is fixed in the 1st frame 103, and the 1st frame 103 is supported in the lower section of electromagnetism force generating apparatus 106.
By using base component 105 support the 2nd frame 104, movable column 102a can vertically displacement in the state of, energy
It is enough to keep blocky mechanism body 102.Like this, it is propped up from below by the 2nd frame 104 than heavier electromagnetism force generating apparatus 106
In the state of holding, it is installed in base component 105, thereby, it is possible to cause electromagnetic force to generate due tos preventing the vibration etc. when the conveying
Device 106 and the position relationship of blocky mechanism body 102 deviate.
Existing technical literature
Patent document
Patent document 1：No. 4035724 bulletins of Japanese Patent Publication No.
Invention content
Technical problems to be solved by the inivention
However, in the electronic balance of previous electromagnetic force equilibrium type as described above, the 1st frame 103 due to relative to
The load of weighing plate 101 and deform, may be deteriorated to biased error characteristic.In addition, blocky mechanism body 102 dead weight compared with
In the case of big, the 1st frame 103 just deforms before measurement object object is placed on weighing plate 101, and biased error characteristic also may be used
It can be deteriorated.
That is, as shown by the arrow in fig. 6, the load of weighing disk 101 or the dead weight of blocky mechanism body 102, via each bolt
107 act on the direction for pressing the 1st frame 103 downwards.Accordingly, there exist following problems：1st frame 103 by the 2nd frame
The part of 104 bearings becomes fulcrum with the portion boundary position 108 not supported, to which the 1st frame 103 is easily deformed.
The present invention has been made in view of the above-described circumstances, and an object thereof is to provide a kind of biased error characteristics of capable of improving
Electronic balance.
Scheme for solving above-mentioned technical problem
The electronic balance of the present invention has：Weighing plate, blocky mechanism body, the 1st frame, the 2nd frame, electromagnetism force generating apparatus
And base component.It is placed with measurement object object in the weighing plate.The bulk mechanism body is to dig through one block of base material and shape
At being equipped with the weighing plate.1st frame is fixed in the blocky mechanism body by multiple fixing pieces.2nd frame
Frame is fixed in the 1st frame.The electromagnetism force generating apparatus is installed on the 1st frame or the 2nd frame.The base
Base member the electromagnetism force generating apparatus close beneath and support the 2nd frame.
The bulk mechanism body is integrally formed with movable column, fixed column, Luo Bai Weirs mechanism.The weighing plate is mounted
In the movable column.1st frame is fixed in the fixed column.Luo Bai Weirs mechanism is by the movable column and described
Fixed column is connected to limit the displacement of the weighing plate in vertical direction.It is formed with elongate in shape in the fixed column
Extension, and be at least fixed in the described 1st by the fixing piece in the end of the movable column side of the extension
Frame, the extension extend to the movable column side along Luo Bai Weirs mechanism.The electromagnetism force generating apparatus with it is described
Fixed column is adjacent to configuration.In the range of close beneath of the close beneath from the electromagnetism force generating apparatus to the fixing piece
Interior, the 2nd frame supports the 1st frame from below, and the fixing piece is fixed in the movable column of the extension
The end of side.
It according to such composition, can be from the movable column of the close beneath of electromagnetism force generating apparatus until being fixed on extension
Broad range as the close beneath of the fixing piece of the end of side supports the 1st frame from below by the 2nd frame.It is as a result,
It is the load of weighing disk or the dead weight of blocky mechanism body, is acted on via fixing piece and press the 1st frame downwards
In the case of direction, it can will also be loaded from the 1st frame in the close beneath of the fixing piece and be transferred to the 2nd frame, via the 2nd
Load is transferred to base component by frame in the close beneath of electromagnetism force generating apparatus.Therefore, it is possible to prevent the change of the 1st frame
Shape, to improve biased error characteristic.
Can also be that the 1st frame includes a pair of separated frame, and a pair of separated frame is in the length with the extension
The blocky mechanism body is clipped in the orthogonal width direction in degree direction, and the extension is fixed in by the fixing piece respectively
Portion.In this case, can also be that the pair of separation frame is fixed in the 2nd frame respectively.
According to such composition, since the 1st frame is separated into a pair of separated frame, and blocky mechanism body is by this pair point
It is kept from frame, so can prevent the 1st frame from being deformed due to internal stress.But in this case, due to the 1st frame
Frame is separated into a pair of separated frame, and each frame that detaches has the dead weight because of the load of weighing disk or blocky mechanism body due to becomes
The possibility being easily deformed.In the present invention, since the close beneath from electromagnetism force generating apparatus is until being fixed on extension
The broad range of the close beneath of the fixing piece of the end of movable column side, each point of the 1st frame is supported by the 2nd frame from below
From frame, so the 1st frame deformation can be prevented, to improve biased error characteristic.
The preferably described electromagnetism force generating apparatus is installed in the 2nd frame.
According to such composition, the 2nd frame can be utilized directly to bear the load of electromagnetism force generating apparatus.As a result, due to
The load for acting on the 1st frame can be reduced, so the deformation of the 1st frame can be effectively prevented, to further increase partially
Set error characteristics.
Invention effect
According to the present invention, movable column side due to the close beneath from electromagnetism force generating apparatus until being fixed on extension
The broad range of the close beneath of the fixing piece of end supports the 1st frame from below by the 2nd frame, so the 1st can be prevented
Frame deformation, to improve biased error characteristic.
Description of the drawings
Fig. 1 is the stereogram of the configuration example for the electronic balance for showing one embodiment of the present invention.
Fig. 2 is the vertical view of the electronic balance of Fig. 1.
Fig. 3 is the side view of the electronic balance of Fig. 1.
Fig. 4 is the front view of the electronic balance of Fig. 1.
Fig. 5 is the A-A sectional views of the electronic balance in Fig. 2.
Fig. 6 is the schematic sectional view for the configuration example for showing previous electronic balance.
Specific implementation mode
Fig. 1 is the stereogram of the configuration example for the electronic balance for showing one embodiment of the present invention.
Fig. 2 is the vertical view of the electronic balance of Fig. 1.Fig. 3 is the side view of the electronic balance of Fig. 1.Fig. 4 is the electronics of Fig. 1
The front view of balance.Fig. 5 be electronic balance in Fig. 2 along the sectional view of A-A.
In the electronic balance, each component is arranged on base component 1, by measurement object object be placed in weighing plate 2 from
And it can measure.In addition, in Fig. 1 and Fig. 2, be omitted electronic balance base component 1 and weighing plate 2 and scheme
Show.In addition, in Fig. 3~Fig. 5, a part for base component 1 is omitted and illustrates.In the electronic balance of present embodiment,
Other than said base component 1 and weighing plate 2, it is also equipped with blocky mechanism body 3, the 1st frame 4, the 2nd frame 5, electromagnetic force production
Generating apparatus 6, lever elongate member 7, detector 8 and shutter 9 etc..
Weighing plate 2 is installed on blocky mechanism body 3.The bulk mechanism body 3, such as the quadrangular shape that will be made of aluminium alloy
One block of base material dig through and formed, form movable column 31, fixed column 32, Luo Bai Weirs mechanism 33, thick stick with being thus integrally constituted
Bar 34 and linking part 35 etc..But blocky mechanism body 3 is not limited to the component for the quadrangular shape being made of aluminium alloy, also may be used
It is formed by other materials or shape with being.
Movable column 31 is, for example, the part of the quadrangular shape extended in the vertical direction, and upper surface is equipped with weighing plate 2.
The movable column 31 constitutes the one end of the horizontal direction of blocky mechanism body 3.In contrast, fixed column 32 constitutes blocky machine
The other end of the horizontal direction of structure body 3, and by the way that the fixed column 32 is fixed on the 1st frame 4, supported at the fixed column 32
Blocky mechanism body 3.
Luo Bai Weirs mechanism 33 extends to the other end along horizontal direction from the one end of blocky mechanism body 3, will be movable
Column 31 links with fixed column 32.In the present embodiment, the upper end and lower end of movable column 31 and fixed column 32 pass through
A pair of of Luo Bai Weirs mechanism 33 reciprocally links.A pair of Luo Bai Weirs mechanism 33 constitutes the upper surface of blocky mechanism body 3 as a result,
And lower surface.
Each Luo Bai Weirs mechanism 33 has：Flat beam 331, it is horizontally extending；Flexible portion 332, by beam 331
Both ends link with movable column 31 and fixed column 32 respectively.It is smaller than beam 331 that flexible portion 332 is formed as thickness, thus becomes and holds
Easy elastically-deformable shape.In the case where the load of measurement object object is applied to weighing plate 2, each Luo Bai Weirs mechanism 33 is scratched
Property portion 332 bend, movable column 31 is to vertical lower displacement.At this point, due to the effect of each Luo Bai Weirs mechanism 33, can will weigh
The displacement limitation of disk 2 is in vertical direction.
Fixed column 32 in present embodiment is formed with the extension 321 of elongate in shape, and the extension 321 is in the horizontal direction
On along Luo Bai Weirs mechanism 33 extend to 31 side of movable column.The extension 321 configures between a pair of of Luo Bai Weirs mechanism 33,
By forming defined interval between a pair of of Luo Bai Weirs mechanism 33, each Luo Bai Weirs mechanism 33 can be prevented in flexure
It is in contact with it.
Lever 34 links via linking part 35 with movable column 31.As shown in figure 5, extension of the linking part 35 in fixed column 32
Extending in vertical direction between portion 321 and movable column 31, lower end links via force spring 351 and movable column 31, and
And end links via the one end of force spring 352 and lever 34 thereon.Force spring 352 be, for example, thickness be 0.1mm with
Under very thin flat spring moved up and down together with linking part 35 with the displacement of movable column 31.
Lever 34 in the horizontal direction along Luo Bai Weirs mechanism 33 extend, central portion via fulcrum spring 353 and with
The extension 321 of fixed column 32 links.Fulcrum spring 353 is 0.1mm or less by such as thickness in the same manner as force spring 352
Very thin flat spring constitute.As a result, in the case where linking part 35 is moved up and down with the displacement of movable column 31, via
Force spring 352 applies the power of upper and lower directions to the one end of lever 34, and lever 34 is swung centered on fulcrum spring 353.
In the other end of lever 34, that is, for fulcrum spring 353, opposite with 352 side of force spring one
Side, such as the fixing piece 341 by being made of bolt and nut are equipped with lever elongate member 7.In this instance, a pair of of lever
Elongate member 7, in such a way that the length direction D1 respectively along blocky mechanism body 3 extends, in width direction D2 (with length direction
Horizontal direction orthogonal D1) on clip 3 ground of blocky mechanism body be arranged in both sides.The length direction D1's of each lever elongate member 7
One end is fixed on lever 34 respectively.
1st frame 4 is made of a pair of separated frame 41, which clips bulk on width direction D2
Mechanism body 3 is simultaneously arranged in both sides.Each separation frame 41 be, for example, be formed by by aluminium, the strip with alongst D1
The component of shape, the section for being orthogonal to length direction D1 are formed as L-shaped.
Each separation frame 41 is fixed in blocky mechanism for example, by the multiple fixing pieces 42 being made of bolt and nut
Body 3.More specifically, as shown in figure 5, each fixing piece 42 on width direction D2 to penetrate through the extension 321 of blocky mechanism body 3
Mode be fixed.In these multiple fixing pieces 42, at least one fixing piece 42 is in 31 side of movable column of extension 321
End is fixed in each separation frame 41.
2nd frame 5 is for example formed by aluminium, and following component is integrally formed：Bottom panel 51 supports the 1st frame from below
4；Side panel 52 extends from the both ends of the width direction D2 of bottom panel 51 upward respectively；Backplate 53, from bottom panel 51
The one end of length direction D1 extends upward.Each separation frame 41 for constituting the 1st frame 4, for example, by by bolt and spiral shell
The fixing piece 43 that mother is constituted, is fixed in the bottom panel 51 of the 2nd frame 5.
As shown in Figure 4 and 5, in the bottom panel 51 of the 2nd frame 5, in position corresponding with the lower section of blocky mechanism body 3
It sets and is formed with notch 511.Blocky mechanism body 3 is configured in a manner of not contacting bottom panel 51 as a result, even and if in blocky mechanism
When each Luo Bai Weirs mechanism 33 of body 3 is bent due to the load relative to weighing plate 2, blocky mechanism body 3 also not with bottom panel
51 contacts.
Blocky mechanism body 3 is installed with the state of interval between fixed column 32 and the backplate 53 of the 2nd frame 5.By
This forms space between the fixed column 32 and backplate 53 of blocky mechanism body 3, and electromagnetism force generating apparatus 6 is configured in the sky
In.Electromagnetism force generating apparatus 6 in the fixed column 32 relative to blocky mechanism body 3 and with rear side (31 side of movable column it is opposite
Side) it is adjacent in the state of configuration, it is mounted on the bottom panel 51 of the 2nd frame 5.
As shown in figure 5, electromagnetism force generating apparatus 6 has moving coil 61 and magnetic circuit 62.Magnetic circuit 62 e.g. includes forever
The composition of magnet and yoke etc. can form magnetostatic field in inside.Moving coil 61, configuration formed by magnetic circuit 62 it is magnetostatic
In, being maintained as can be along the i.e. vertical direction displacement of its axis direction.
The one end of the length direction D1 of each lever elongate member 7 is fixed on the thick stick of blocky mechanism body 3 as described above
Bar 34, the other end are fixed on the moving coil 61 of electromagnetism force generating apparatus 6.Therefore, movable column 31 due to relative to
The load of weighing plate 2 and displacement in vertical direction, in the case of being swung centered on fulcrum spring 353 to lever 34, pass through
The displacement in vertical direction of moving coil 61 of lever 34 is fixed in by each lever elongate member 7.
Detector 8 is the device of the displacement for detecting lever 34, such as has the light-emitting component mounted on circuit board 81
And photo detector.In the present embodiment, shutter 9 links with the lever elongate member 7 mounted on lever 34, passes through the shutter
9 can cover the part to the light of photo detector incidence from light-emitting component.As a result, with the displacement of lever 34, hidden by shutter 9
The light quantity covered changes, by detecting the variation of the light quantity by photo detector, so as to detect the displacement of lever 34.
When the quality to measurement object object measures, the displacement of lever 34 is detected by detector 8, with the not position of lever 34
The mode feedback control of shifting is flowed to the electric current of moving coil 61.In this case, the quality of measurement object object becomes bigger,
Flowing to the current value of moving coil 61 just becomes bigger, therefore can be measured based on the current value for flowing to moving coil 61
Go out the quality of measurement object object.
In the present embodiment, the 2nd frame 5 is supported in the close beneath of electromagnetism force generating apparatus 6 by base component 1.
In addition, close beneath of the 2nd frame 5 from electromagnetism force generating apparatus 6, extends to the close beneath of fixing piece 42, supports from below
1st frame 4 (each separation frame 41), the fixing piece 42 is fixed in the movable column 31 in the extension 321 of blocky mechanism body 3
The end of side.
That is, the bottom panel 51 and side panel 52 of the 2nd frame 5 extend to the 1st frame 4 being fixed on blocky mechanism body 3
In the fixing piece 42 of extension 321, it is fixed on the close beneath of fixing piece 42 near 31 side of movable column.Preferably, this
A little bottom panels 51 and side panel 52, in the end from 32 side of fixed column of blocky mechanism body 3, to along blocky mechanism body 3
2/3rds or more range of the length of length direction D1 extends towards 31 side of movable column.
As a result, as shown by arrows in Figure 3, the even load of weighing disk 2 or the dead weight of blocky mechanism body 3, via
In the case that fixing piece 42 acts on the direction for pressing the 1st frame 4 downwards, it can also make to be supported under the fixing piece 42
Side is nearby transferred to the 2nd frame 5 from the 1st frame 4, via the 2nd frame 5, will be born in the close beneath of electromagnetism force generating apparatus 6
Load is transferred to base component 1.Thereby, it is possible to prevent the deformation of the 1st frame 4, to improve biased error characteristic.
In addition, in the present embodiment, since the 1st frame 4 is separated into a pair of separated frame 41, to blocky mechanism body
3 are kept by this pair of separated frame 41, so can prevent the 1st frame 4 from being deformed because of internal stress.But in this feelings
Under condition, since the 1st frame 4 is separated into a pair of separated frame 41, the load there are each separation frame 41 relative to weighing disk 2
Or blocky mechanism body 3 dead weight and the possibility that is easily deformed.In the present embodiment, from the lower section of electromagnetism force generating apparatus 6
Nearby until the broad range of the close beneath of the fixing piece 42 of the end for the movable column side 31 for being fixed on extension 321, pass through
2nd frame 5 supports each separation frame 41 of the 1st frame 4 from below, therefore can prevent the 1st frame 4 from deforming, inclined to improve
Set error characteristics.
Further, in the present embodiment, since electromagnetism force generating apparatus 6 is installed on the 2nd frame 5, so can be by
2nd frame 5 directly bears the load of electromagnetism force generating apparatus 6.The load of the 1st frame 4 is acted on due to that can mitigate as a result,
So the deformation of the 1st frame 4 can be effectively prevented, to further increase biased error characteristic.
In addition, the close beneath of above-mentioned electromagnetism force generating apparatus 6, other than the underface of electromagnetism force generating apparatus 6,
Including the range for example from underface on length direction D1 within adjacent 1cm or within a few cm.Similarly, above-mentioned fixation
The close beneath of part 42, other than the underface of fixing piece 42, also include for example from underface on length direction D1 phase
Range within adjacent 1cm or within a few cm.
In the above embodiment, the composition that a pair of separated frame 41 is separated into the 1st frame 4 is illustrated.
But the present invention is readily applicable to the composition that the 1st frame 4 is not separated into a pair of separated frame 41.In addition, electromagnetic force generates
Device 6 is not limited to be mounted in the composition of the 2nd frame 5, can also be mounted on the 1st frame 4.
1st frame 4 and the 2nd frame 5, however it is not limited to formed by aluminium, can also be formed by other materials, but in order to
Inhibit to thermally expand and be heat-shrinked the influence generated to biased error characteristic, preferably by identical or same as blocky mechanism body 3
The material of type is formed.
Reference sign
1 base component
2 weighing plates
3 blocky mechanism bodies
4 the 1st frames
5 the 2nd frames
6 electromagnetism force generating apparatus
7 lever elongate member
8 detectors
9 shutters
31 movable columns
32 fixed columns
33 Luo Bai Weirs mechanisms
34 levers
35 linking parts
41 separation frames
42 fixing pieces
43 fixing pieces
51 bottom panels
52 side panels
53 backplates
61 moving coils
62 magnetic circuits
81 circuit boards
321 extensions
331 beams
331 flexible portions
341 fixing pieces
Claims (3)
1. a kind of electronic balance, which is characterized in that have：
Weighing plate is placed with measurement object object；
Blocky mechanism body is dug through one block of base material and is formed, is equipped with the weighing plate；
1st frame is fixed in the blocky mechanism body by multiple fixing pieces；
2nd frame is fixed in the 1st frame；
Electromagnetism force generating apparatus is installed on the 1st frame or the 2nd frame；
Base component supports the 2nd frame in the close beneath of the electromagnetism force generating apparatus,
In the blocky mechanism body, it is integrally formed：Movable column installs the weighing plate；Fixed column is fixed with the 1st frame
Frame；Luo Bai Weirs mechanism links the movable column and the fixed column, and the displacement of the weighing plate is limited in Vertical Square
To,
In the fixed column, it is formed with the extension of elongate in shape, which extends to institute along Luo Bai Weirs mechanism
Movable column side is stated, and is at least fixed in described by the fixing piece in the end of the movable column side of the extension
1 frame,
The electromagnetism force generating apparatus is adjacent to configuration with the fixed column,
2nd frame, in the close beneath from the electromagnetism force generating apparatus to being fixed on the described movable of the extension
In the range of the close beneath of the fixing piece of the end of column side, the 1st frame is supported from below.
2. electronic balance as described in claim 1, which is characterized in that
1st frame includes a pair of separated frame, and the pair of separation frame is orthogonal with the length direction of the extension
Width direction on clip the blocky mechanism body, the extension is fixed in by the fixing piece respectively,
The pair of separation frame is fixed in the 2nd frame respectively.
3. electronic balance as claimed in claim 2, which is characterized in that
The electromagnetism force generating apparatus is installed in the 2nd frame.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2015/085886 WO2017109869A1 (en) | 2015-12-22 | 2015-12-22 | Electronic balance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108369129A true CN108369129A (en) | 2018-08-03 |
| CN108369129B CN108369129B (en) | 2020-07-31 |
Family
ID=59089689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580085415.6A Active CN108369129B (en) | 2015-12-22 | 2015-12-22 | Electronic balance |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6551543B2 (en) |
| CN (1) | CN108369129B (en) |
| DE (1) | DE112015007215B4 (en) |
| WO (1) | WO2017109869A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111609910A (en) * | 2019-02-25 | 2020-09-01 | 株式会社岛津制作所 | Electronic balance |
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2015
- 2015-12-22 WO PCT/JP2015/085886 patent/WO2017109869A1/en active Application Filing
- 2015-12-22 CN CN201580085415.6A patent/CN108369129B/en active Active
- 2015-12-22 DE DE112015007215.2T patent/DE112015007215B4/en active Active
- 2015-12-22 JP JP2017557563A patent/JP6551543B2/en active Active
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| JP2002107216A (en) * | 2000-09-29 | 2002-04-10 | Anritsu Corp | Electronic force balance |
| CN2544261Y (en) * | 2002-05-16 | 2003-04-09 | 上海精密科学仪器有限公司 | Novel structured electronic balance weighing sensor |
| JP2004257886A (en) * | 2003-02-26 | 2004-09-16 | Shimadzu Corp | Electronic balance |
| CN1487270A (en) * | 2003-07-31 | 2004-04-07 | 上海精密科学仪器有限公司 | Weighing sensor for electronic balance |
| JP2012013465A (en) * | 2010-06-29 | 2012-01-19 | Shinko Denshi Kk | Electromagnetic force balanced weighing device |
| CN204854902U (en) * | 2015-05-26 | 2015-12-09 | 梅特勒-托利多仪器（上海）有限公司 | Weighing sensor and electronic balance |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111609910A (en) * | 2019-02-25 | 2020-09-01 | 株式会社岛津制作所 | Electronic balance |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6551543B2 (en) | 2019-07-31 |
| WO2017109869A1 (en) | 2017-06-29 |
| CN108369129B (en) | 2020-07-31 |
| JPWO2017109869A1 (en) | 2018-09-13 |
| DE112015007215B4 (en) | 2022-03-31 |
| DE112015007215T5 (en) | 2018-09-13 |
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