CN103557923A - Fixing frame structure for mounting weighing sensor - Google Patents
Fixing frame structure for mounting weighing sensor Download PDFInfo
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- CN103557923A CN103557923A CN201310520692.8A CN201310520692A CN103557923A CN 103557923 A CN103557923 A CN 103557923A CN 201310520692 A CN201310520692 A CN 201310520692A CN 103557923 A CN103557923 A CN 103557923A
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- wallboard
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Abstract
The invention relates to a fixing frame structure for mounting a weighing sensor. A battery compartment base is arranged outside a wall plate of one side of a fixing frame, and a limiting notch is formed in the outer wall of the battery compartment base. A top plate is provided with a mounting face and a limiting seat, an inner baffle connected with the top plate is arranged on one corner of the wall plate, and the inner baffle, the top plate and the wall plate form an independent demarcating mounting cavity. A processing circuit printed board with a demarcating switch is mounted in the mounting cavity, and a lead sealing cover plate is mounted on the opening of the demarcating mounting cavity through fasteners. An inner separating plate connected to the top plate and the wall plate divides the cavity into an independent mainboard mounting cavity and an independent power board mounting cavity, a control circuit printed board is mounted in the mainboard mounting cavity, an annular table face is arranged in the power board mounting cavity, and a power source circuit printed board is mounted on the annular table face. A bottom cover plate is mounted in the mounting hole of the wall plate through fasteners. The fixing frame structure for mounting the weighing sensor is reasonable in structure, overhaul can be carried out on a scale body and other parts without opening lead sealing, and the effect of insect prevention of the power source can be achieved.
Description
Technical field
The present invention relates to a kind of fixed rack structure that LOAD CELLS is installed, belong to electronic scale technical field.
Background technology
The weighing of electronic scales is to receive load by LOAD CELLS, by elastic body stress deformation, make to stick on the also distortion simultaneously of resistance strain gage on elastic body, cause the variation of resistance strain gage resistance, by metering circuit, weight signal is transformed into corresponding analog electrical signal and exports to signal processing apparatus, signal processing circuit receives signal and carries out analog to digital conversion, then provides control circuit and storage circuit by cable, realizes transmission and the demonstration of data.The variation that changes into component parameter on the treatment circuit of A/D conversion of digital signal at analog electrical signal can cause and the variation of weighing results on the printed circuit board for the treatment of circuit, is also provided with a calibration switch for this reason.But current electronic scales is that treatment circuit and main control circuit are arranged on a circuit printing plate, for avoiding user to modify to the components and parts on treatment circuit, to cover on cover plate on circuit board by lead sealing means, forbid the cover plate on user's unlocking electronic scale, only on lid, leave the demarcation hole that calibration switch is operated, for the inaccurate electronic scales of metering, by removing lead sealing, with instrument, pass the demarcation hole on cover plate and press calibration switch and again demarcate object to reach.But in order to guarantee the seriousness of metering, this calibration process need to be carried out in metrological service.Current lead sealing is carried out lead sealing for upper and lower cover cap mostly, but this lead seal structure also brings a problem simultaneously, when needs are opened upper and lower cover cap scale body inside are keeped in repair, just must open lead sealing, after maintenance, Xu Jing metrological service confirms lead sealing again again.But the maintenance of electronic scales is many, be not the maintenance for treatment circuit and LOAD CELLS, therefore can cause unnecessary work increase, again meterage with and waste of time.
Control circuit printed board, power circuit printed board and the treatment circuit printed board installation site of the inside of electronic scales are undesirable at present, cause internal wiring cabling relatively in disorder, be unfavorable for the detection of circuit EMC and the control of electric cost, especially in power circuit printed board, each device arranges upward, and can produce preference temperature during power work, make the small worms such as cockroach more like surviving in scale, usually due to insect or its excreta, touch the high-pressure section of power supply inside, cause the damages such as Switching Power Supply partial short-circuit.Although some power supply insect protected mechanisms, by increasing sealing mechanism, seal power supply itself mostly at present, to reach vermins-proof effect, this insect preventing structure relative complex, is also unfavorable for power supply heat sinking, so increased making and maintenance cost, the serviceable life of also having reduced power supply simultaneously.
Summary of the invention
The object of this invention is to provide a kind of rational in infrastructurely, do not open under lead sealing prerequisite, can overhaul scale body other parts, and can realize the fixed rack structure of the installation LOAD CELLS of power supply vermins-proof effect.
The present invention is that the technical scheme achieving the above object is: a kind of fixed rack structure that LOAD CELLS is installed, it is characterized in that: described fixed mount comprises top board, is connected to wallboard and the base plate of roof perimeter, wherein the wallboard of side outside is provided with the battery compartment seat being connected with base plate, and the outer wall of battery compartment seat is provided with spacing edge-cut, described top board is provided with installed surface and at least three limit bases that LOAD CELLS is installed, described top board and wallboard form the box structure of bottom opening, the Yi Jiaochu of wallboard is provided with the Internal baffle joining with top board, Internal baffle and top board and wallboard form independently to demarcate installs cavity, the treatment circuit printed board with calibration switch is arranged on to demarcate and installs in cavity, lead sealing cover plate is arranged on and is demarcated the opening part that cavity is installed by securing member, lead sealing cover plate is provided with the demarcation hole corresponding with calibration switch, and lead sealing paper or lead sealing screw are arranged on to demarcate on cover plate and get lodged in and demarcate hole, the internal partition being connected on top board and wallboard is divided into independently mainboard installation cavity and power panel installation cavity by cavity, and it is adjacent with mainboard installation cavity to demarcate installation cavity, control circuit printed board is arranged in mainboard installation cavity, in described power supply installation cavity, be provided with circular table, power circuit printed board is arranged on circular table by securing member, surrounding and circular table laminating in power circuit printed board, device in power circuit printed board arranges downwards, bottom plate is arranged in the mounting hole of wallboard by securing member, bottom plate blocks power circuit printed board and control circuit printed board.
The present invention will be provided with in fixed mount front battery compartment seat, and top board is provided with installed surface and three above limit bases of LOAD CELLS, conveniently LOAD CELLS will be arranged on fixed mount, also can realize the protection to LOAD CELLS by limit base.The top board of fixed mount of the present invention and wallboard form the box structure of bottom opening, make fixed mount there is good physical strength, fixed mount is respectively equipped with independently to demarcate installs cavity, mainboard installation cavity and power supply installation cavity, by treatment circuit printed board, control circuit printed board and power circuit printed board are arranged on respectively in installation cavity separately, lead sealing cover plate is arranged on to demarcate and cavity top is installed and blocks treatment circuit printed board, bottom plate is arranged on and on wallboard, shelters from treatment circuit printed board, therefore the treatment circuit that load cell signal is processed is separated with control circuit, owing to being provided with the treatment circuit printed board of calibration switch, arrange separately, and lead sealing cover plate is provided with demarcation hole, can not open under lead sealing prerequisite, opening bottom plate and upper cover can detect the parts in electronic scales, maintenance or replacing, and can not affect treatment circuit and LOAD CELLS, maintenance to electronic scales has brought convenience, reduced that unnecessary work increases and again meterage use.When power circuit printed board of the present invention is arranged on circular table by securing member, power circuit printed board surrounding can be fitted with installation cavity inner wall, between the power circuit printed board back side that makes to contain solder joint and pedestal, form a gapless cavity, stop the foreign matters such as small worm to enter, thereby reach insect protected object, and device in power circuit printed board arranges downwards, by the solder joint part of easy short circuit upward, make small worm be difficult for creeping, therefore effectively reduce the problem of the damages such as Switching Power Supply partial short-circuit.The present invention is simple and reasonable for structure, without increasing making and maintenance cost, just can reach insect protected.The present invention is by each independently installation cavity treatment circuit printed board, control circuit printed board and power circuit printed board respectively, and each printed board internal wiring cabling is clear, is conducive to the detection of circuit EMC and the control of electric cost.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
Fig. 1 is the structural representation of fixed rack structure of the present invention.
Fig. 2 is that the A of Fig. 1 is to structural representation.
Fig. 3 is the structural representation that fixed rack structure of the present invention is removed bottom plate and lead sealing cover plate.
Fig. 4 is the structural representation of fixed mount of the present invention.
Fig. 5 is the structural representation that fixed mount of the present invention is provided with LOAD CELLS and bracket.
Wherein: 1-fixed mount, 1-1-runners, 1-2-base plate, 1-3-spacing edge-cut, 1-4-battery compartment seat, 1-5-limit base, 1-6-top board, 1-7-wallboard, 1-8-cable hole, 1-9-outer gusset, 1-10-upper mounting column, 1-11-installed surface, 1-12-boss, 1-13-Internal baffle, 1-14-support column, 1-15-lower mounting column, 1-16-circular table, 1-17-internal partition, 1-18-wire casing, 1-19-supporting station, 2-adjusting leg, 3-lead sealing cover plate, 4-bottom plate, 5-socket, the printed board of 6-control circuit, the printed board of 7-power circuit, the printed board of 8-treatment circuit, 8-1-calibration switch, 9-bracket, 10-LOAD CELLS.
Embodiment
See shown in Fig. 1～3, a kind of fixed rack structure that LOAD CELLS is installed of the present invention, fixed mount 1 of the present invention comprises that top board 1-6 is connected to wallboard 1-7 and the base plate 1-2 of top board 1-6 periphery, this fixed mount 1 is made one-piece construction by metal material, wallboard 1-7 periphery is provided with a plurality of outer gusset 1-9, the wallboard 1-7 of side outside is provided with the battery compartment seat 1-4 being connected with base plate 1-2 therein, the outer wall of battery compartment seat 1-4 is provided with spacing edge-cut 1-3, when upper encloser is arranged on while covering on fixed mount 1 on fixed mount 1, the battery compartment of upper encloser is arranged on battery compartment portion of the present invention or top, the battery case being placed in upper encloser battery compartment is provided with limited block, this limited block inserts the spacing edge-cut 1-3 of this battery compartment seat 1-4 outer wall, can carry out spacing to battery case.
See Fig. 1, shown in 2, top board 1-6 of the present invention is provided with installed surface 1-11 and at least three the limit base 1-5 that LOAD CELLS 10 is installed, the installed surface 1-11 of this top board 1-6 is protruding installed surface, LOAD CELLS 10 is arranged on installed surface 1-11, bracket 9 is arranged on the top of LOAD CELLS 10, the scale pan is arranged in bracket 9, to be claimed the weight of thing to reach in LOAD CELLS 10 by bracket 9, the two limit base 1-5 that can arrange by diagonal angle can carry out spacing to bracket 9, or on middle limit base 1-5, pull bar is installed, when bracket 9 is subject to outside impulsive force and be greater than the carrying scope of LOAD CELLS 10, by limit base 1-5 supporting bracket 9, and when tension, can be undertaken spacing by pull bar, thereby protection LOAD CELLS 10.See shown in Fig. 1,5, the top of top board 1-6 of the present invention is also provided with three above upper mounting column 1-10, wireless network card can be arranged on upper mounting column 1-10.
See shown in Fig. 2～5, top board 1-6 of the present invention and wallboard 1-7 form the box structure of bottom opening, the Yi Jiaochu of wallboard 1-7 is provided with the Internal baffle 1-13 joining with top board 1-6, this Internal baffle 1-13 is L shaped, Internal baffle 1-13 and top board 1-6 and wallboard 1-7 form independently to demarcate cavity are installed, treatment circuit printed board 8 with calibration switch 8-1 is arranged in installation cavity, lead sealing cover plate 3 is arranged on and is demarcated the opening part that cavity is installed by securing member, lead sealing cover plate 3 is provided with the demarcation hole corresponding with calibration switch 8-1, and lead sealing paper or lead sealing screw are arranged on lead sealing cover plate 3 and get lodged in demarcates hole.See 2, shown in 3, the present invention demarcates installation cavity and is provided with at least two boss 1-12, boss 1-12 is provided with threaded hole, treatment circuit printed board 8 is arranged on the boss 1-12 that cavity is installed, treatment circuit printed board 8 is arranged on this boss 1-12 by securing member, through wires hole on wallboard 1-7 is installed cavity with demarcation and is communicated, Internal baffle 1-13 is provided with wire casing, the output signal cable of LOAD CELLS 10 is connected with treatment circuit printed board 8 through wallboard 1-7, LOAD CELLS 10 will receive load, weight signal is transformed into corresponding electric signal, and reach treatment circuit printed board 8 by signal cable, the treatment circuit for the treatment of circuit printed board 8 carries out A/D conversion, to collect analog electrical signal and transfer digital signal to, by data-signal, provide control circuit again, therefore do not opening under lead sealing prerequisite, opening bottom plate 4 and upper encloser can detect the parts in electronic scales, maintenance or replacing, and can not affect treatment circuit.
See Fig. 1, shown in 2, the internal partition 1-17 that the present invention is connected on top board 1-6 and wallboard 1-7 is divided into independently mainboard installation cavity and power panel installation cavity by cavity, demarcate installation cavity adjacent with mainboard installation cavity, control circuit printed board 6 is arranged in mainboard installation cavity, in mainboard installation cavity, there are at least two support column 1-14, control circuit printed board 6 is arranged on support column 1-14 by securing member, due to Internal baffle, 1-13 is provided with wire casing, by cable, treatment circuit is connected with control circuit, data after processing are reached to control circuit, by control circuit, realize demonstration and the transmission of data, and internal partition 1-17 is also provided with wire casing 1-18, at least one cable hole 1-8 on wallboard 1-7 communicates with mainboard installation cavity, convenient wiring cabling.
See shown in Fig. 2～4, the present invention is provided with circular table 1-16 in power supply installation cavity, the Si Jiaochu that is provided with circular table 1-16 in power supply installation cavity is provided with supporting station 1-19, power circuit printed board 7 is arranged on circular table 1-16 by securing member, surrounding and circular table 1-16 laminating in power circuit printed board 7, device in power circuit printed board 7 arranges downwards, can make power circuit printed board 7 surroundings fit with installation cavity inner wall, between power circuit printed board 7 back sides that make to contain solder joint and pedestal, form a gapless cavity, can stop the foreign matters such as small worm to enter, upward by the solder joint part of easy short circuit simultaneously, make small worm be difficult for creeping, therefore effectively reduced the problem of the damages such as power supply partial short-circuit.
See shown in Fig. 1～3, bottom plate 4 of the present invention is arranged in the mounting hole of wallboard 1-7 by securing member, bottom plate 4 blocks power circuit printed board 7 and control circuit printed board 6, and on bottom plate 4, has gauge tap and communication interface, by communication interface, is connected with external unit.
See shown in Fig. 2,3, the bottom that top board 1-6 of the present invention is positioned at power supply installation cavity one side is provided with plural lower mounting column 1-15, socket 5 can be arranged on to lower mounting column 1-15 upper, four bights of fixed mount 1 are provided with runners 1-1, regulate leg 2 to be screwed on each runners 1-1.
Claims (8)
1. the fixed rack structure that LOAD CELLS is installed, it is characterized in that: described fixed mount (1) comprises top board (1-6), is connected to wallboard (1-7) and the base plate (1-2) of top board (1-6) periphery, wherein the wallboard of a side (1-7) outside is provided with the battery compartment seat (1-4) being connected with base plate (1-2), and the outer wall of battery compartment seat (1-4) is provided with spacing edge-cut (1-3), described top board (1-6) is provided with installed surface (1-11) and at least three limit bases (1-5) that LOAD CELLS (10) is installed, described top board (1-6) and wallboard (1-7) form the box structure of bottom opening, the Yi Jiaochu of wallboard (1-7) is provided with the Internal baffle (1-13) joining with top board (1-6), Internal baffle (1-13) forms independently to demarcate with top board (1-6) and wallboard (1-7) installs cavity, the treatment circuit printed board (8) with calibration switch (8-1) is arranged on to demarcate and installs in cavity, lead sealing cover plate (3) is arranged on and is demarcated the opening part that cavity is installed by securing member, lead sealing cover plate (3) is provided with the demarcation hole corresponding with calibration switch (8-1), and lead sealing paper or lead sealing screw are arranged on demarcation cover plate (3) and go up and get lodged in demarcation hole, the internal partition (1-17) being connected on top board (1-6) and wallboard (1-7) is divided into independently mainboard installation cavity and power panel installation cavity by cavity, and it is adjacent with mainboard installation cavity to demarcate installation cavity, control circuit printed board (6) is arranged in mainboard installation cavity, in described power supply installation cavity, be provided with circular table (1-16), power circuit printed board (7) is arranged on circular table (1-16) by securing member, the upper surrounding of power circuit printed board (7) and circular table (1-16) laminating, device in power circuit printed board (7) arranges downwards, bottom plate (4) is arranged in the mounting hole of wallboard (1-7) by securing member, bottom plate (4) blocks power circuit printed board (7) and control circuit printed board (6).
2. the fixed rack structure of installation LOAD CELLS according to claim 1, it is characterized in that: described demarcation is installed cavity and is provided with at least two boss (1-12), treatment circuit printed board (8) is arranged on the boss (1-12) that cavity is installed by securing member, through wires hole on wallboard (1-7) communicates with demarcating installation cavity, and Internal baffle (1-13) is provided with wire casing.
3. the fixed rack structure of installation LOAD CELLS according to claim 1, it is characterized in that: the Si Jiaochu that is provided with circular table (1-16) in described power supply installation cavity is provided with supporting station (1-19), and power circuit printed board (7) is arranged on circular table (1-16) by securing member.
4. the fixed rack structure of installation LOAD CELLS according to claim 1, it is characterized in that: in described mainboard installation cavity, there are at least two support columns (1-14), it is upper that control circuit printed board (6) is arranged on support column (1-14) by securing member, and upper at least one cable hole (1-8) of wallboard (1-7) communicates with mainboard installation cavity.
5. the fixed rack structure of installation LOAD CELLS according to claim 1, is characterized in that: described bottom plate has gauge tap and communication interface on (4).
6. the fixed rack structure of installation LOAD CELLS according to claim 1, it is characterized in that: the top of described top board (1-6) is also provided with three above upper mounting columns (1-10), and the bottom that top board (1-6) is positioned at power supply installation cavity one side is provided with plural lower mounting column (1-15).
7. the fixed rack structure of installation LOAD CELLS according to claim 1, it is characterized in that: described wallboard (1-7) periphery is provided with reinforcement, four bights of fixed mount (1) are provided with runners (1-1), regulate leg (2) to be screwed on each runners (1-1).
8. the fixed rack structure of installation LOAD CELLS according to claim 1, is characterized in that: the installed surface (1-11) of described top board (1-6) is protruding installed surface, and LOAD CELLS (10) is arranged on installed surface (1-11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310520692.8A CN103557923B (en) | 2013-10-29 | 2013-10-29 | Fixing frame structure for mounting weighing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310520692.8A CN103557923B (en) | 2013-10-29 | 2013-10-29 | Fixing frame structure for mounting weighing sensor |
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| Publication Number | Publication Date |
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| CN103557923A true CN103557923A (en) | 2014-02-05 |
| CN103557923B CN103557923B (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310520692.8A Active CN103557923B (en) | 2013-10-29 | 2013-10-29 | Fixing frame structure for mounting weighing sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534872A (en) * | 2017-03-02 | 2018-09-14 | 碧彩股份两合公司 | Load sensor for scale |
| CN113465718A (en) * | 2021-09-03 | 2021-10-01 | 江苏卓铭电子科技有限公司 | Calibration protection mechanism of electronic scale and electronic scale |
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| CN201488793U (en) * | 2009-08-18 | 2010-05-26 | 宝山钢铁股份有限公司 | Ladle weighing device |
| CN102914353A (en) * | 2012-10-18 | 2013-02-06 | 台衡精密测控(昆山)股份有限公司 | Buffer type weighing machine for iron and steel materials |
| CN203551081U (en) * | 2013-10-29 | 2014-04-16 | 梅特勒-托利多(常州)测量技术有限公司 | Fixed frame structure for mounting weighing sensor |
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2013
- 2013-10-29 CN CN201310520692.8A patent/CN103557923B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE4321975C1 (en) * | 1993-07-01 | 1994-11-10 | Gericke Gmbh | Method for monitoring the metering capacity of a metering device |
| US20060213279A1 (en) * | 2005-03-25 | 2006-09-28 | Yong-Kyu Choi | Apparatus and method for measuring supporting force of large diameter ferroconcrete piles |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534872A (en) * | 2017-03-02 | 2018-09-14 | 碧彩股份两合公司 | Load sensor for scale |
| US10830633B2 (en) | 2017-03-02 | 2020-11-10 | Bizerba SE & Co. KG | Load cell for a scale with a switching device for changing the state of calibration data write protection |
| CN113465718A (en) * | 2021-09-03 | 2021-10-01 | 江苏卓铭电子科技有限公司 | Calibration protection mechanism of electronic scale and electronic scale |
| CN113465718B (en) * | 2021-09-03 | 2021-11-02 | 江苏卓铭电子科技有限公司 | Calibration protection mechanism of electronic scale and electronic scale |
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