CN107367318B - A kind of capacitance weighing sensor non-linear compensator - Google Patents
A kind of capacitance weighing sensor non-linear compensator Download PDFInfo
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- CN107367318B CN107367318B CN201710104766.8A CN201710104766A CN107367318B CN 107367318 B CN107367318 B CN 107367318B CN 201710104766 A CN201710104766 A CN 201710104766A CN 107367318 B CN107367318 B CN 107367318B
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- sealing ring
- lower casing
- gasket
- hole
- binding post
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The invention discloses a kind of capacitance weighing sensor non-linear compensators, including upper casing and lower casing, the upper casing is located at the surface of lower casing, the lateral surface of the upper casing is bonded with gasket, the outer surface of the gasket is fixedly connected with the inner surface of fixed frame, the lateral surface of the lower casing is opened up there are two seal groove, the inside of two seal grooves is connected with sealing strip, the lateral surface of the sealing strip is fixedly connected with the inner surface of gasket, the front of lower casing offers entrance hole and outlet hole respectively, the position that outlet hole and entrance hole are corresponded on fixed frame offers the first notch.The capacitance weighing sensor non-linear compensator, the first sealing ring, the second sealing ring and third sealing ring are connected to by putting on fixing sleeve online, it is capable of the sealing of line feeder set and lower casing junction, by being bonded with gasket between upper casing and fixed frame, it can effectively avoid solving the problems, such as existing non-linear compensator poor sealing effect into water and dampness.
Description
Technical field
The present invention relates to sensor technical field, specially a kind of capacitance weighing sensor non-linear compensator construction packages
Technology.
Background technique
In hyundai electronics scale weighing system, weight signal is obtained using weighing sensor, then the weight signal is sent to tune
It is improved and is shown in reason circuit, obtain weighing results, currently, resistance strain weighing transducer is extensive in electronic scale
Using, but the limitation of the strained limit, the opposite variation generally below 1% of the metal strain silk resistance of resistance sensor, and
The resistance value of strain silk is influenced by temperature very greatly, in contrast, the relative variation of capacitance type sensor capacitance can be greater than
100%, therefore measurement range is much bigger；Capacitance sensor generally uses metal as electrode, makees insulation supporter with inorganic material, therefore
Very big temperature change can be born, in addition capacitance type sensor also has that high sensitivity, dynamic response time are short, mechanical loss is small
The advantages that, but when carrying out weighing measurement using capacitance weighing sensor, between sensor output voltage value and load weight
Relationship be it is nonlinear, in order to guarantee certain measurement accuracy and convenient for being applied in TT&C system, it is necessary to be carried out to it non-thread
Property compensation, common compensation method at present has hardware compensating method and Software Method, but since capacitance weighing sensor is serious non-linear,
When being compensated with hardware circuit, circuit is complicated, and compensation precision is not also high, in the intelligence instrument and control system of Microcomputer, commonly uses
Software replaces hardware to carry out nonlinear compensation, and has been widely used.
Since non-linear compensator is the important device of the weighing sensor course of work, so the work of non-linear compensator
Environment is extremely important, and existing non-linear compensator has leakproofness difference, occurs intaking and by time of tide meeting at work
The work of compensator is seriously affected, and then leads to the data serious distortion of weighing sensor.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, it the present invention provides a kind of capacitance weighing sensor non-linear compensator, solves
The problem of existing non-linear compensator poor sealing effect.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of capacitance weighing sensor is non-thread
Property compensator, including upper casing and lower casing, the upper casing are located at the surface of lower casing, and the lateral surface of the upper casing is bonded with sealing
Pad, the outer surface of the gasket are fixedly connected with the inner surface of fixed frame, and the lateral surface of the lower casing opens up that there are two sealings
Slot, the inside of two seal grooves are connected with sealing strip, and the lateral surface of the sealing strip and the inner surface of gasket are fixed
Connection.
The front of the lower casing offers entrance hole and outlet hole respectively, corresponds to outlet hole and entrance hole on the fixed frame
Position offer the first notch, the position of corresponding first notch offers the second notch, the entrance hole on the gasket
It is respectively provided with wired set with the inside of outlet hole, the inside of two line sets has been fixedly attached inlet wire and outlet, the line respectively
The outer surface of set is bonded with the first sealing ring, the second sealing ring and third sealing ring respectively, and second sealing ring is located at first
Between sealing ring and third sealing ring, first sealing ring connects close to the one side of the second sealing ring and the front of lower casing
Touching, between fixed frame and lower casing, the lateral surface of second sealing ring contacts second sealing ring with gasket, described
Third sealing ring is contacted close to the one side of the second sealing ring with the inner surface of lower casing.
Circuit board is fixedly installed in the inner bottom wall of the lower casing, be respectively welded on the circuit board the first binding post and
Second binding post is fixedly connected with baffle in the inner bottom wall of the lower casing, and the baffle is located between circuit board and line set, described
The position of corresponding first binding post and the second binding post offers first through hole and the second through-hole respectively on baffle, and described first connects
Terminal runs through first through hole far from one end of circuit board and extends to the front of baffle, and first binding post is extending to baffle just
The one end in face and inlet wire weld, and the one end of second binding post far from circuit board is through the second through-hole and extends to baffle just
Face, second binding post extend to the positive one end of baffle and one end of outlet and weld.
It is also fixedly connected in the inner bottom wall of the lower casing there are four connecting column, is correspondingly connected with column on the upper casing inner roof wall
Position is fixedly connected with inserted link, and the upper surface of the connecting column offers slot, and the inserted link is plugged in slot, the slot
Inner bottom wall be fixedly connected with one end of spring, the inside of the slot is additionally provided with pressing plate, the lower surface of the pressing plate and bullet
The other end of spring is fixedly connected, and the inner wall of the slot is successively opened up from top to bottom there are two card slot, two card slots it is interior
Portion is connected with fixture block, and the lateral surface of the fixture block is fixedly connected with the outer surface of inserted link.
Preferably, the upper casing is identical as the size of lower casing, and the height of the fixed frame and the height of gasket are identical, institute
The height for stating gasket is twice of upper casing height, and the top of the gasket and the upper surface of upper casing are located at same level height
Degree.
Preferably, the inside of the first through hole and the second through-hole is bonded with insulating washer, two insulating washers
The inner surface appearance face contact with the first binding post and the second binding post respectively.
Preferably, the width of the baffle and the inner width of lower casing are identical, the upper surface of the baffle and the inner roof wall of upper casing
Contact.
Preferably, first sealing ring, the second sealing ring, third sealing ring and insulating washer are rubber ring, described
Gasket is rubber pad, and the line set is rubber sleeve, and the sealing strip is rubber strip.
Preferably, the thickness of second sealing ring is identical as the thickness of gasket, and the fixture block is rubber block.
(3) beneficial effect
The present invention provides a kind of capacitance weighing sensor non-linear compensator, have it is following the utility model has the advantages that
The capacitance weighing sensor non-linear compensator is connected to the first sealing ring, second close by putting on fixing sleeve online
Seal and third sealing ring are capable of the sealing of line feeder set and lower casing junction, by being bonded between upper casing and fixed frame
Gasket can reinforce the leakproofness of upper casing and lower casing junction, by being bonded in the inner surface of first through hole and the second through-hole
There is insulating washer, can completely cut off at circuit board and line, avoid the first binding post and inlet wire, the second binding post and outlet junction
The electric spark of appearance influences the normal work of circuit board, and sealing effect is good, capacitance weighing sensor non-linear compensator sealing
It is good, it can effectively avoid solving the problems, such as existing non-linear compensator poor sealing effect into water and dampness.
Detailed description of the invention
Fig. 1 is front view of the present invention；
Fig. 2 is Section A-A figure in Fig. 1 of the present invention
Fig. 3 is front elevational view of the present invention；
Fig. 4 is connecting column cross-sectional view of the present invention.
In figure: 1 upper casing, 2 lower casings, 3 gaskets, 4 fixed frames, 5 seal grooves, 6 sealing strips, 7 entrance holes, 8 outlet holes, 9
One notch, 10 second notches, 11 line sets, 12 inlet wires, 13 outlets, 14 first sealing rings, 15 second sealing rings, the sealing of 16 thirds
Circle, 17 circuit boards, 18 first binding posts, 19 second binding posts, 20 baffles, 21 first through hole, 22 second through-holes, 23 connecting columns,
24 inserted links, 25 slots, 26 springs, 27 pressing plates, 28 card slots, 29 fixture blocks, 30 insulating washers.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of capacitance weighing sensor non-linear compensator, packet
Upper casing 1 and lower casing 2 are included, upper casing 1 is located at the surface of lower casing 2, and the lateral surface of upper casing 1 is bonded with gasket 3, upper casing 1 and lower casing 2
Size it is identical, the height of fixed frame 4 is identical as the height of gasket 3, and the height of gasket 3 is twice of 1 height of upper casing, close
The top of packing 3 and the upper surface of upper casing 1 are located at same level height, and the outer surface of gasket 3 is fixedly connected with fixed frame 4
Inner surface, the lateral surface of lower casing 2 are opened up there are two seal groove 5, and the inside of two seal grooves 5 is connected with sealing strip 6, sealing strip
6 lateral surface is fixedly connected with the inner surface of gasket 3.
The front of lower casing 2 offers entrance hole 7 and outlet hole 8 respectively, and outlet hole 8 and entrance hole 7 are corresponded on fixed frame 4
Position offers the first notch 9, and the position of corresponding first notch 9 offers the second notch 10 on gasket 3, entrance hole 7 and goes out
The inside of string holes 8 is respectively provided with wired set 11, and the inside of two line sets 11 has been fixedly attached inlet wire 12 and outlet 13, line set 11 respectively
Outer surface be bonded with the first sealing ring 14, the second sealing ring 15 and third sealing ring 16 respectively, the second sealing ring 15 is located at the
Between one sealing ring 14 and third sealing ring 16, the one side and lower casing 2 close to the second sealing ring 15 of the first sealing ring 14
Front face, the second sealing ring 15 is between fixed frame 4 and lower casing 2, the thickness of the second sealing ring 15 and the thickness of gasket 3
Identical, the lateral surface of the second sealing ring 15 is contacted with gasket 3, third sealing ring 16 close to the second sealing ring 15 one side with
The inner surface of lower casing 2 contacts.
It is fixedly installed with circuit board 17 in the inner bottom wall of lower casing 2,18 He of the first binding post is respectively welded on circuit board 17
Second binding post 19 is fixedly connected with baffle 20 in the inner bottom wall of lower casing 2, and baffle 20 is located between circuit board 17 and line set 11,
The width of baffle 20 is identical as the inner width of lower casing 2, and the upper surface of baffle 20 is contacted with the inner roof wall of upper casing 1, corresponding on baffle 20
The position of first binding post 18 and the second binding post 19 offers first through hole 21 and the second through-hole 22, the first binding post 18 respectively
One end far from circuit board 17 runs through first through hole 21 and extends to the front of baffle 20, and the first binding post 18 extends to baffle 20
Positive one end and inlet wire 12 weld, and the one end of the second binding post 19 far from circuit board 17 is through the second through-hole 22 and extends to gear
The front of plate 20, the second binding post 19 extend to the positive one end of baffle 20 and one end of outlet 13 and weld, 21 He of first through hole
The inside of second through-hole 22 is bonded with insulating washer 30, the inner surface of two insulating washers 30 respectively with the first binding post 18 and
The appearance face contact of second binding post 19 can completely cut off at circuit board 17 and line, avoid the first binding post 17 and inlet wire 12, the
The electric spark that two binding posts 19 and 13 junction of outlet occur influences the normal work of circuit board 17, the first sealing ring 14, second
Sealing ring 15, third sealing ring 16 and insulating washer 30 are rubber ring, and gasket 3 is rubber pad, and line set 11 is rubber sleeve, close
Strip of paper used for sealing 6 is rubber strip, and rubber can provide preferable sealing for junction, reinforces the leakproofness in compensator gap everywhere, keeps away
Exempt from compensator water inlet or dampness, solves the problems, such as existing non-linear compensator poor sealing effect.
It is also fixedly connected in the inner bottom wall of lower casing 2 there are four connecting column 23, the position of column 23 is correspondingly connected on 1 inner roof wall of upper casing
It sets and is fixedly connected with inserted link 24, the upper surface of connecting column 23 offers slot 25, and inserted link 24 is plugged in slot 25, slot 25
Inner bottom wall is fixedly connected with one end of spring 26, and the inside of slot 25 is additionally provided with pressing plate 27, the lower surface of pressing plate 27 and spring
26 other end is fixedly connected, and pressing plate 27 withstands on the bottom end of inserted link 24, can reinforce the clamping of fixture block 29 Yu card slot 28, slot 25
Inner wall successively opened up from top to bottom there are two card slot 28, the inside of two card slots 28 is connected with fixture block 29, and fixture block 29 is rubber
Blob of viscose, rubber have preferable elasticity, facilitate the disassembly of the compensator, the outer surface of the lateral surface and inserted link 24 of fixture block 29 is fixed
Connection, can reinforce the connection of inserted link 24 Yu slot 25.
In conclusion the capacitance weighing sensor non-linear compensator, by covering fixing sleeve on 11 online, to be connected to first close
Seal 14, the second sealing ring 15 and third sealing ring 16 are capable of the sealing of line feeder set 11 and 2 junction of lower casing, by upper
It is bonded with gasket 3 between shell 1 and fixed frame 4, the leakproofness of 2 junction of upper casing 1 and lower casing can be reinforced, by logical first
The inner surface of hole 21 and the second through-hole 22 is bonded with insulating washer 30, can completely cut off at circuit board 17 and line, avoid first from connecing
The electric spark that terminal 17 and inlet wire 12, the second binding post 19 and 13 junction of outlet occur influences the normal work of circuit board 17,
Sealing effect is good, which is sealed, and can effectively avoid solving existing into water and dampness
The problem of some non-linear compensator poor sealing effects.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By sentence " element limited including one ..., it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element ", the electricity occurred in this article
Device element is electrically connected with extraneous main controller and 220V alternating current, and main controller can play the routine of control for computer etc.
Know equipment.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of capacitance weighing sensor non-linear compensator, including upper casing (1) and lower casing (2), the upper casing (1) are located at lower casing
(2) surface, it is characterised in that: the lateral surface of the upper casing (1) is bonded with gasket (3), the appearance of the gasket (3)
Face is fixedly connected with the inner surface of fixed frame (4), and the lateral surface of the lower casing (2) opens up that there are two seal groove (5), described in two
The inside of seal groove (5) is connected with sealing strip (6), and the inner surface of the lateral surface and gasket (3) of the sealing strip (6) is fixed
Connection；
The front of the lower casing (2) offers entrance hole (7) and outlet hole (8) respectively, corresponds to outlet hole on the fixed frame (4)
(8) it is offered the first notch (9) with the position of entrance hole (7), the position of corresponding first notch (9) is opened on the gasket (3)
Equipped with the second notch (10), the inside of the entrance hole (7) and outlet hole (8) is respectively provided with wired set (11), two line sets
(11) inside has been fixedly attached inlet wire (12) and outlet (13) respectively, and the outer surface of the line set (11) is bonded with first respectively
Sealing ring (14), the second sealing ring (15) and third sealing ring (16), second sealing ring (15) are located at the first sealing ring
(14) between third sealing ring (16), the one side and lower casing close to the second sealing ring (15) of first sealing ring (14)
(2) front face, second sealing ring (15) are located between fixed frame (4) and lower casing (2), second sealing ring (15)
Lateral surface contacted with gasket (3), the third sealing ring (16) close to the second sealing ring (15) one side and lower casing (2)
Inner surface contact；
It is fixedly installed with circuit board (17) in the inner bottom wall of the lower casing (2), is respectively welded first on the circuit board (17)
Binding post (18) and the second binding post (19) are fixedly connected with baffle (20), the baffle in the inner bottom wall of the lower casing (2)
(20) between circuit board (17) and line set (11), corresponding first binding post (18) and the second binding post on the baffle (20)
(19) position offers first through hole (21) and the second through-hole (22) respectively, and first binding post (18) is far from circuit board
(17) one end runs through first through hole (21) and extends to the front of baffle (20), and first binding post (18) extends to baffle
(20) positive one end and inlet wire (12) are welded, and the one end of second binding post (19) far from circuit board (17) is logical through second
Hole (22) and the front for extending to baffle (20), second binding post (19) extend to the positive one end of baffle (20) and outlet
(13) one end welding；
It is corresponding on upper casing (1) inner roof wall to connect there are four being also fixedly connected in the inner bottom wall of the lower casing (2) connecting column (23)
The position for connecing column (23) is fixedly connected with inserted link (24), and the upper surface of the connecting column (23) offers slot (25), described to insert
Bar (24) is plugged in slot (25), and the inner bottom wall of the slot (25) is fixedly connected with one end of spring (26), the slot
(25) inside is additionally provided with pressing plate (27), and the lower surface of the pressing plate (27) is fixedly connected with the other end of spring (26), institute
The inner wall for stating slot (25) is successively opened up from top to bottom there are two card slot (28), and the inside of two card slots (28) is connected with
The lateral surface of fixture block (29), the fixture block (29) is fixedly connected with the outer surface of inserted link (24)；
The inside of the first through hole (21) and the second through-hole (22) is bonded with insulating washer (30), two felt pads
Enclose the inner surface appearance face contact with the first binding post (18) and the second binding post (19) respectively of (30).
2. a kind of capacitance weighing sensor non-linear compensator according to claim 1, it is characterised in that: the upper casing
(1) identical as the size of lower casing (2), the height of the fixed frame (4) is identical as the height of gasket (3), the gasket (3)
Height be twice of upper casing (1) height, it is high that the top of the gasket (3) and the upper surface of upper casing (1) are located at same level
Degree.
3. a kind of capacitance weighing sensor non-linear compensator according to claim 1, it is characterised in that: the baffle
(20) width is identical as the inner width of lower casing (2), and the upper surface of the baffle (20) is contacted with the inner roof wall of upper casing (1).
4. a kind of capacitance weighing sensor non-linear compensator according to claim 1, it is characterised in that: described first is close
Seal (14), the second sealing ring (15), third sealing ring (16) and insulating washer (30) are rubber ring, the gasket (3)
For rubber pad, the line set (11) is rubber sleeve, and the sealing strip (6) is rubber strip.
5. a kind of capacitance weighing sensor non-linear compensator according to claim 1, it is characterised in that: described second is close
The thickness of seal (15) is identical as the thickness of gasket (3), and the fixture block (29) is rubber block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710104766.8A CN107367318B (en) | 2017-02-24 | 2017-02-24 | A kind of capacitance weighing sensor non-linear compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710104766.8A CN107367318B (en) | 2017-02-24 | 2017-02-24 | A kind of capacitance weighing sensor non-linear compensator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107367318A CN107367318A (en) | 2017-11-21 |
| CN107367318B true CN107367318B (en) | 2019-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710104766.8A Expired - Fee Related CN107367318B (en) | 2017-02-24 | 2017-02-24 | A kind of capacitance weighing sensor non-linear compensator |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109461255A (en) * | 2018-09-12 | 2019-03-12 | 湖南金码智能设备制造有限公司 | A kind of device and method that the self-adapting detecting for vending machine picks up condition of merchandise |
| CN112235987A (en) * | 2020-10-30 | 2021-01-15 | 东莞市戎科科技有限公司 | 5G outdoor base station is with stand-by power supply that waterproof performance is good |
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|---|---|---|---|---|
| CN88103475A (en) * | 1987-06-12 | 1988-12-28 | 托利多磅称公司 | Digital load shift compensation and method thereof |
| CN202057410U (en) * | 2011-04-29 | 2011-11-30 | 雒庆彬 | Angle change weight compensator for stacker-reclaimer belt scale |
| CN102353439A (en) * | 2011-07-04 | 2012-02-15 | 宁波柯力电气制造有限公司 | Digital module with temperature compensating function and temperature compensating method thereof |
-
2017
- 2017-02-24 CN CN201710104766.8A patent/CN107367318B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88103475A (en) * | 1987-06-12 | 1988-12-28 | 托利多磅称公司 | Digital load shift compensation and method thereof |
| CN202057410U (en) * | 2011-04-29 | 2011-11-30 | 雒庆彬 | Angle change weight compensator for stacker-reclaimer belt scale |
| CN102353439A (en) * | 2011-07-04 | 2012-02-15 | 宁波柯力电气制造有限公司 | Digital module with temperature compensating function and temperature compensating method thereof |
Non-Patent Citations (2)
| Title |
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| 基于小波神经网络的电容称重传感器非线性补偿研究;俞阿龙;《微计算机信息》;20101231;第26卷(第3-1期);第33、49-50页 |
| 基于遗传神经网络的电容称重传感器非线性补偿方法;俞阿龙;《智能控制技术》;20101231;第32卷(第6期);第10-12页 |
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