CN2544261Y - Novel structured electronic balance weighing sensor - Google Patents
Novel structured electronic balance weighing sensor Download PDFInfo
- Publication number
- CN2544261Y CN2544261Y CN 02217450 CN02217450U CN2544261Y CN 2544261 Y CN2544261 Y CN 2544261Y CN 02217450 CN02217450 CN 02217450 CN 02217450 U CN02217450 U CN 02217450U CN 2544261 Y CN2544261 Y CN 2544261Y
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- guiding mechanism
- mounting hole
- boss
- fixed head
- frame
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Abstract
The utility model relates to an electronic balance weighing sensor with a novel structure. The mechanical structure comprises a guiding mechanism, a bottom board, a beam, a reed, a dead plate, and a lever. The upper and lower featheredges of the frame-shaped guiding mechanism are guide bars; the thicker left side of the guiding mechanism is a force column and the right is a support column and a convex beam extending into the frame, wherein, the bottom of an opening and two fork ends of the U-shaped dead plate are provided with bosses provided with vertical fixed supporting planes. The guiding mechanism is perpendicular to the opening of the bottom plate, and the support column is fixedly connected with the fixed supporting plane. The weighing sensor has the advantages of compact structure, convenient assembling, accurate position, and good mechanical performance.
Description
Technical field
The utility model relates to weighing apparatus, particularly a kind of electronic balance weighing sensor of new structure.
Background technology
The weighing sensor of electronic balance is to be made according to the electromagnetic force equilibrium principle, its guiding mechanism is under the action of gravity that is claimed thing during measurement, because of distortion produces displacement, displacement is after lever amplifies, the coil that links to each other with lever is moved in static magnetic field, and electrooptical device is measured coil and has been departed from original equilibrium position, gives the certain offset current of coil by the circuit control section, alive coil is subjected to Amp (being electromagnetic force) effect in magnetic field, make lever return to the equilibrium position.Therefore, claim thing corresponding offset current this and quilt, carry out conversion process, can record the quality that is claimed thing by the circuit control section.
The physical construction of existing electronic balance weighing sensor is made up of more than 30 parts, mechanism's complexity, and processing capacity is big, during mounting cost, and the error that assembling and positioning produces is also big, has influenced the raising of measuring accuracy.As shown in Figure 1, only power post 01 just has several parts to be assembled, and other structures repeat no more.
Summary of the invention
Existing sensor parts are many in order to solve for the utility model, existing technical matters during assembly fee, and provide a kind of structure height integrated novel electronic balance weighing sensor.
According to above-mentioned purpose, the utility model provides a kind of novel electronic balance weighing sensor, comprises physical construction, calutron, and it is characterized in that: physical construction is made of guiding mechanism, base plate, crossbeam, reed, fixed head, lever; The thin top of guiding mechanism that wherein is shaped as frame is that top guide bar, bottom are lower guide rod, and its thicker left side is that power post, the right are pillar and are connected with the protruding beam that stretches into the frame right part;
Wherein the base plate open bottom of U-shaped has slightly high boss, near boss the fixed supported slab vertical with base plate is arranged, and there is platform in the fixed supported slab outside, and its two fork has than high boss.
Guiding mechanism is perpendicular to the opening part of base plate, and its pillar is close to fixed supported slab and is placed on the boss, by screw pillar and fixed supported slab is fastenedly connected; Crossbeam is positioned at guiding mechanism frame left part, is connected with power post, fixed head by reed, and fixed head is connected with boss; Lever is positioned at the guiding mechanism frame outside, and the one end is connected with crossbeam, and the other end is connected with calutron on being installed in platform.
The sensor, wherein the protruding beam-ends above and below of guiding mechanism has between flange and top guide bar, lower guide rod protruding stupefied and forms the slit, near power post, pillar place two-sided groove is arranged at top guide bar, lower guide rod.
The sensor, wherein the reed of parelinvar comprises and hangs spring, support spring.
The sensor, its middle cross beam are positioned at guiding mechanism frame left part, are connected with the power post by hanging spring by the mounting hole in the middle of it, and are connected with fixed head by support spring by the mounting hole at its two ends.
The sensor, wherein there is oval mounting hole in the front, two ends of fixed head, and there is mounting hole the side, and fixed head is connected on the boss by screw by mounting hole, is connected with support spring by mounting hole.
The utility model becomes one original numerous parts owing to adopted above technical measures, makes the electronic balance weighing sensor of novel mechanism have the advantage of compact conformation, easy to assembly, accurate positioning, good mechanical property.
Description of drawings Fig. 1 is an electronic balance weighing sensor original structure synoptic diagram.Fig. 2 is the structural representation of utility model.Fig. 3 is the base arrangement synoptic diagram of utility model.Fig. 4 is the beam structure synoptic diagram of utility model.Fig. 5 is the fixed head structural representation of utility model.
Embodiment
Below with reference to accompanying drawing the utility model is further elaborated.
As shown in Figure 2, a kind of scales/electronic balance weighing sensor of new structure, comprise physical construction, calutron, its highly integrated physical construction mainly is made of guiding mechanism 1, base plate 2, fixed head 5, reed 4, crossbeam 3, lever 6, adds the scale pan 7, sleeve 8, supporting plate 9 and connects securing member.Wherein the thin top of guiding mechanism 1 of rectangle frame is top guide bar 1-1, the following lower guide rod 1-2 of being, its thicker left side is that power post 1-3, the right are pillar 1-4 and are connected with the protruding beam 1-5 that stretches into the frame right part; There is formation slit 1-6 between flange and top guide bar 1-1, lower guide rod 1-2 protruding stupefied protruding beam 1-5 end above and below, and slit 1-6 has the limit function of guiding mechanism 1 stress deformation; Near power post 1-3, pillar 1-4 place two-sided groove 1-7 is arranged at top guide bar 1-1, lower guide rod 1-2, the upper and lower guide rod at groove 1-7 place is thinner, is equivalent to reed, makes elastic bending deflection in the time of can making guiding mechanism 1 stressed.Though shape more complicated in the frame of guiding mechanism 1 if use whole block material in the enterprising line cutting processing of numerically-controlled machine, is not difficult to make.
In conjunction with shown in Figure 3, wherein base plate 2 open bottom of U-shaped have slightly high boss 2-1, and its two fork has than high boss 2-2, near boss 2-1 the fixed supported slab 2-3 vertical with base plate 2 are arranged, and there is platform 2-4 in the fixed supported slab 2-3 outside.Threaded hole 2-5 is arranged on boss 2-2, be used for mounting plate 3; Mounting hole 2-6 is arranged on fixed supported slab 2-3, be used to install guiding mechanism 1; Mounting hole 2-7 is arranged on platform 2-4, be used to install calutron.Also have mounting hole 2-8 in addition, be used for entire mechanism is installed in the casing of electronic balance.
In conjunction with shown in Figure 4, slightly be the crossbeam 3 of isosceles triangle, there is mounting hole 3-1 at drift angle place in the middle of it, is used for installing hanging spring 4-1, and there is mounting hole 3-2 at its place, base angle, two ends, is used to install support spring 4-2.
In conjunction with shown in Figure 4, the fixed head 5 of long strip type, there is oval mounting hole 5-1 at its two ends, are used for fixed head 5 is installed in the boss 2-2 of guiding mechanism 1, and there is mounting hole 5-2 its side, two ends, is used to install support spring 4-2.
Refer again to Fig. 2, the opening part of the vertical and base plate 2 of guiding mechanism 1, its pillar 1-4 is close to fixed supported slab 2-3 and places on the boss 2-1, is fastenedly connected by mounting hole 2-6 on the fixed supported slab 2-3 and the threaded hole on the pillar 1-4 by screw; Crossbeam 3 is positioned at guiding mechanism 1 frame left part, is connected with power post 1-3 by hanging spring 4-1 by middle mounting hole 3-1, and is connected with fixed head 5 by support spring 4-2 by its two ends mounting hole 3-2.During assembling, fixed head 5 moves as horizontal direction the relative position of base plate 2 by its oval mounting hole 3-1, to guarantee two support spring 4-2 in a plane, also can regulate the crossbeam 5 and the relative position of guiding mechanism 1 simultaneously.Lever 6 is positioned at the guiding mechanism 1 frame outside, and the one end at right angles is connected with an end of crossbeam 5, and its other end is connected with the coil 10 of calutron.Calutron comprises that also the magnet steel 11, the magnetic pole 12 that constitute magnetic field are installed on the platform 2-4.The center of circular pan of a steelyard 7 is installed in by axle sleeve 8 on the end of scale pan supporting plate 9, and the other end of supporting plate 9 is fixed on the power post (1-3) of guiding mechanism 1 by screw.Whole load cell structure is very compact, assembles very convenient.
Weighing sensor of the present utility model is when being claimed that thing places pan of a steelyard 7, its gravity passes to power post 1-3 by supporting plate 9, guiding mechanism 1 is fulcrum generation plain bending distortion with pillar 1-4 under action of gravity, distortion is by hanging spring 4-1, support spring 4-2 makes crossbeam 5 produce displacement, displacement is through lever 6 amplifications and continuous coil 10 is moved in magnetic field, electrooptical device is measured coil 10 and has been departed from original equilibrium position, by the electric current in the circuit control section increase coil 10, this current increment is called offset current, offset current has increased the suffered electromagnetic force of coil, coil is moved down, so that lever 6 returns to the equilibrium position.So, with this with claimed thing corresponding offset current, by the circuit part of electronic balance change, data processing, can obtain to be claimed the weight of thing.If claimed thing to surpass the measurement range of electronic balance, the distortion of guiding mechanism 1 stops because of slit 1-6 is closed, can protect sensor not to be damaged.
Claims (5)
1, a kind of electronic balance weighing sensor of new structure comprises physical construction, calutron, it is characterized in that: physical construction is made of guiding mechanism (1), base plate (2), crossbeam (3), reed (4), fixed head (5), lever (6); The thin top of guiding mechanism (1) that wherein is shaped as frame is that top guide bar (1-1), bottom are lower guide rod (1-2), and its thicker left side is that power post (1-3), the right are pillar (1-4) and are connected with the protruding beam (1-5) that stretches into the frame right part;
Wherein the base plate of U-shaped (2) open bottom has slightly high boss (2-1), near boss (2-1) fixed supported slab (2-3) vertical with base plate (2) is arranged, and fixed supported slab (2-3) outside has platform (2-4), its two fork to have than high boss (2-2);
Guiding mechanism (1) is perpendicular to the opening part of base plate (2), and its pillar (1-4) is close to fixed supported slab (2-3) and is placed on the boss (2-1), by screw pillar (1-4) and fixed supported slab (2-3) is fastenedly connected; Crossbeam (3) is positioned at guiding mechanism (1) frame left part, is connected with power post (1-3), fixed head (5) by reed (4), and fixed head (5) is connected with boss (2-2); Lever (6) is positioned at guiding mechanism (1) the frame outside, and the one end is connected with crossbeam (3), and the other end is connected with calutron on being installed in platform (2-4).
2, sensor according to claim 1, it is characterized in that: wherein the protruding beam (1-5) of guiding mechanism (1) end above and below has between flange and top guide bar (1-1), lower guide rod (1-2) protruding stupefied and forms slit (1-6), has located two-sided groove (1-7) at top guide bar (1-1), the close power post (1-3) of lower guide rod (1-2), pillar (1-4).
3, according to the sensor of claim 1 statement, it is characterized in that: wherein the reed of parelinvar (4) comprises that a slice hangs spring (4-1), two support springs (4-2).
4, sensor according to claim 1, it is characterized in that: its middle cross beam (3) is positioned at guiding mechanism (1) frame left part, be connected with power post (1-3) by hanging spring (4-1) by the mounting hole (3-1) in the middle of it, and be connected with fixed head (3) by support spring (4-2) by the mounting hole (3-2) at its two ends.
5, sensor according to claim 1, it is characterized in that: wherein there is oval mounting hole (5-1) in the front, two ends of fixed head (5), there is mounting hole (5-2) side, fixed head (5) is connected on the boss (2-2) by screw by mounting hole (5-1), is connected with support spring (4-2) by mounting hole (5-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02217450 CN2544261Y (en) | 2002-05-16 | 2002-05-16 | Novel structured electronic balance weighing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02217450 CN2544261Y (en) | 2002-05-16 | 2002-05-16 | Novel structured electronic balance weighing sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2544261Y true CN2544261Y (en) | 2003-04-09 |
Family
ID=33696259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02217450 Expired - Fee Related CN2544261Y (en) | 2002-05-16 | 2002-05-16 | Novel structured electronic balance weighing sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2544261Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963524A (en) * | 2009-07-23 | 2011-02-02 | 梅特勒-托利多公开股份有限公司 | Connectable load-bearer |
| CN106197624A (en) * | 2015-05-26 | 2016-12-07 | 梅特勒-托利多仪器（上海）有限公司 | LOAD CELLS and electronic balance |
| CN108369129A (en) * | 2015-12-22 | 2018-08-03 | 株式会社岛津制作所 | Electronic balance |
-
2002
- 2002-05-16 CN CN 02217450 patent/CN2544261Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963524A (en) * | 2009-07-23 | 2011-02-02 | 梅特勒-托利多公开股份有限公司 | Connectable load-bearer |
| CN101963524B (en) * | 2009-07-23 | 2015-06-17 | 梅特勒-托利多公开股份有限公司 | Connectable load-bearer |
| CN106197624A (en) * | 2015-05-26 | 2016-12-07 | 梅特勒-托利多仪器（上海）有限公司 | LOAD CELLS and electronic balance |
| CN106197624B (en) * | 2015-05-26 | 2019-02-26 | 梅特勒-托利多仪器（上海）有限公司 | Weighing sensor and electronic balance |
| CN108369129A (en) * | 2015-12-22 | 2018-08-03 | 株式会社岛津制作所 | Electronic balance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |