CN203837784U - A multifunctional weighing sensor - Google Patents
A multifunctional weighing sensor Download PDFInfo
- Publication number
- CN203837784U CN203837784U CN201420119811.9U CN201420119811U CN203837784U CN 203837784 U CN203837784 U CN 203837784U CN 201420119811 U CN201420119811 U CN 201420119811U CN 203837784 U CN203837784 U CN 203837784U
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- China
- Prior art keywords
- sensor
- housing
- processing module
- inclination angle
- weighing sensor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000005303 weighing Methods 0.000 title claims abstract description 35
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 2
- 229920001971 elastomer Polymers 0.000 abstract 4
- 239000000806 elastomer Substances 0.000 abstract 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000004826 seaming Methods 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000002547 anomalous effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
A multifunctional weighing sensor comprises a column-type elastomer, a housing positioned on the outer wall of the elastomer, a strain gauge arranged on the elastomer and a digital processing module connected with the strain gauge. The characteristics are that the housing is a multi-prismatic surface seal housing; an inclination angle sensor monitoring a size of a force-borne inclination angle of a sensor and a humiture sensor are arranged in the digital processing module; the lower end of the elastomer is provided with a rotation-preventing structure; and the multi-prismatic surface seal housing is adopted to be the housing, and the inclination angle sensor used for monitoring the size of the sensor force-borne inclination angle and the humiture sensor are arranged in the digital processing module, so that the size of the inclination angle of the sensor, seal states of a sensor cavity and humiture parameters of the sensor can be detected in real time in order to maintain a motor truck scale in an optimum metering precision. The multifunctional weighing sensor of the utility model is good in sealing performance and high in intensity; the multifunctional weighing sensor can carry out real time monitoring on the states of the force-borne inclination angle and the sealing states of the sensor; debugging and maintenance of the sensor is provided with convenience; and the multifunctional weighing sensor of the utility model is especially applicable to the motor truck scale.
Description
Technical field
The utility model relates to a kind of column type sensor, is specifically related to a kind of Multifunctional weighing sensor, can be applicable to the electronic weighing appliances such as truck scale.
Background technology
At present, column type sensor is widely used in the various electronic weighing appliances such as various truck scales, track scale, axle weight scale, batch can scale.Column type sensor generally comprise pillar elastic body, be positioned at elastic body outer wall housing, be located at the strainometer on elastic body.As the patent No. Chinese utility model patent " a kind of column type sensor for electronic vehicle weighing apparatus " that is CN200920115040.5, include the seaming chuck and the push-down head that are intervally installed, between seaming chuck and push-down head, be supported with elastic body, it is characterized in that: the end face of elastomeric head is convex globoidal, seaming chuck lower surface has the cancave cambered surface of the cooperation of contacting with this convex globoidal, the end face of described elastomeric afterbody is also convex globoidal, the top of push-down head has recess that can accommodating elastomeric afterbody, in recess, be fixed with a spacer pin, this spacer pin is through the spacing hole that is positioned at elastomeric afterbody lower end, loose fit between spacer pin and spacing hole.The spacer pin of this structure easily comes off, and failure rate is high, high to truck scale rigidity requirement, practical not.Also has the Chinese utility model patent " LOAD CELLS " that the patent No. is CN201320193064.9, include elastic body and pressure head, described pressure head is positioned at described elastic body upper end, it is characterized in that: described elastomeric lower end is provided with mounting base, to facilitate and being connected of electronic scale, and, on described mounting base, be provided with horizontal indicating device; This horizontal indicating device can be the horizontal and vertical horizontal instruction foam that is arranged on mounting base edge, can be also the universal type horizontal instruction foam that is only arranged on mounting base one edge.This structure is easy for installation, weighs also compared with accurate stable, but stressed inclination angle state and sealing state that can not Real-Time Monitoring sensor.
The sedimentation on the expanding with heat and contract with cold of truck scale body, truck scale basis, alignment error and the displacement etc. of sensor all can cause the sensor cannot be vertically stressed, and measuring accuracy reduces, and has a strong impact on the fairness of trade settlement, even causes irremediable loss; The sealing of LOAD CELLS is also the reliable and stable key factor of truck scale in addition, in application practice, a lot of truck scale measuring accuracies do not reach requirement, data shakiness is established a capital and LOAD CELLS seal failure, insulation resistance declines direct relation, how finding ahead of time, the fault sensor of positioning searching seal failure is all a technical barrier all the time fast.
Summary of the invention
Technical problem to be solved in the utility model is that the Multifunctional weighing sensor that a kind of good airproof performance, intensity are high, can carry out to the stressed inclination angle state of sensor and sealing state Real-Time Monitoring is provided for the above-mentioned state of the art.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of Multifunctional weighing sensor, comprise pillar elastic body, be positioned at the housing of elastic body outer wall, the digital signal processing module of being located at the strainometer on elastic body and being connected with strainometer, it is characterized in that: described housing is many faceted pebbles seal casinghousing, in digital signal processing module, be provided with obliquity sensor, Temperature Humidity Sensor for the stressed inclination angle of monitoring sensor size, elastomeric lower end is provided with anti-rotation structure.
As improvement, described anti-rotation structure is specially: elastomeric lower end offers and the circular counter bore structure of carrying annex assembling, thereby make the bottom, hole forming become protruding sphere inner circle bearing holes, the protruding spherical structure in bottom, hole contacts power transmission with carrying annex, elastomeric lower end periphery is shaped to 3～6 can be whittled into plane with polygonized structure or the periphery left and right sides, elastomeric lower end of carrying annex formation screens anti-rotation, annex is corresponding coordinates with carrying, forms the structure of screens anti-rotation.
As improvement, described elastomeric middle part forms the strain bore for placing strainometer, digital signal processing module is arranged in housing round position, elastomeric middle and lower part, digital signal processing module is channel structure, is welded with two aviation plugs that are connected with the binary channels joint of digital signal processing module respectively on housing.
As improvement, described aviation plug is welded on respectively on two faceted pebbles wherein of housing.
Improve, described housing is six faceted pebbles, three faceted pebbles, four faceted pebbles, five faceted pebbles or seven faceted pebbles again.
As improvement, described digital signal processing module output removes to connect weighing instrument, is provided with and display module that humiture monitor and the alarm of reporting to the police big or small to the stressed inclination angle of sensor in weighing instrument.
Finally, described weighing instrument is with the network port.
Compared with prior art, the utility model has the advantage of: housing adopts many faceted pebbles seal casinghousing, in digital signal processing module, be provided with the obliquity sensor for the stressed inclination angle of monitoring sensor size, Temperature Humidity Sensor and alarm, inclination angle size that like this can real time detecting sensor, the humiture parameter of the sealing state of sensor cavity and sensor, as excessive in inclination angle, truck scale has warning function, truck scale commissioning engineer also can adjust according to dip angle parameter the verticality of sensor, as excessive in humidity, seal failure, fast changeable fault sensor, make truck scale all the time in best measuring accuracy.The utility model good airproof performance, intensity be high, can carry out Real-Time Monitoring to the stressed inclination angle state of sensor and sealing state, facilitate debugging and the maintenance of sensor, applicable to various electronic weighing appliances such as various truck scales, track scale, axle weight scale, batch can scales, be particularly useful for truck scale, support the use with the weighing instrument with the network port, also can realize Remote Fault Diagnosis, greatly improve and safeguard convenience.
Brief description of the drawings
Fig. 1 is the structural representation of the LOAD CELLS of the utility model embodiment;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is elastomeric partial sectional view;
Fig. 4 is the structural representation of the truck scale of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
As Figure 1-4, the present embodiment is the Multifunctional weighing sensor that truck scale is used, comprise pillar elastic body 1, be positioned at elastic body 1 outer wall housing 2, be welded on the aviation plug 3 on housing 2, the digital signal processing module 5 of being located at the strainometer 4 on elastic body 2 and being connected with strainometer 4, housing 2 is integrated stamping forming six faceted pebble seal casinghousings, not only good airproof performance, and intensity is higher, force structure is better, the middle part of elastic body 1 forms the strain bore for placing strainometer 4, digital signal processing module 5 is arranged in housing 2 round the position, middle and lower part of elastic body 1, in digital signal processing module 5, be provided with the obliquity sensor for the stressed inclination angle of monitoring sensor size, Temperature Humidity Sensor, can distinguish like this dip angle parameter and the humiture parameter of output transducer, digital signal processing module 5 outputs remove to connect weighing instrument 4a, in weighing instrument 4a, be provided with and display module that humiture monitor and the alarm of reporting to the police big or small to the stressed inclination angle of sensor, like this as inclination angle is excessive, truck scale can send warning, truck scale commissioning engineer also can adjust according to dip angle parameter the verticality of sensor, make truck scale all the time in best measuring accuracy, as humidity ANOMALOUS VARIATIONS, seal failure, truck scale has this warning function, alarm accordingly, truck scale commissioning engineer fast changeable fault sensor, digital signal processing module 5 is channel structure, aviation plug 3 is two, be welded on respectively on two faceted pebbles wherein of housing 2, be connected with the binary channels joint of digital signal processing module 5, when use, as shown in Figure 3, aviation plug is connected with the aviation plug of the adjacent LOAD CELLS of connecting mutually by stube cable 2a, and one of them aviation plug 3 of last LOAD CELLS is connected with the input end of weighing instrument 4a, on the display of weighing instrument 4a, just can show like this parameters such as inclination angle size and temperature humidity, on the lower end loading end of elastic body 1, offer a circular counter bore structure of assembling with carrying annex, make the bottom, hole forming become protruding sphere inner circle bearing holes 11, the protruding spherical structure 13 in bottom, hole contacts power transmission with carrying annex, the lower end periphery of elastic body 1 is shaped to 3～6 polygonized structures 12 that can form with carrying annex screens anti-rotation, and the present embodiment is to adopt hexagonal structure.Certainly, can be also that the periphery left and right sides, elastomeric lower end is whittled into plane, annex is corresponding coordinates with carrying, also can form the structure of screens anti-rotation.Finally, weighing instrument, with the network port, also can be realized Remote Fault Diagnosis, greatly improves and safeguards convenience.
Fig. 3 is the truck scale structure that the present embodiment has been installed, and truck scale comprises mono-of the basic 5a of mono-of scale body 1a, some of stube cable 2a, some of column weighting sensor 3a, mono-of weighing instrument 4a and truck scale.In application practice, the expanding with heat and contract with cold of scale body 1a, the truck scale basis sedimentation of 5a and the alignment error of column weighting sensor 3a and displacement all can cause the LOAD CELLS 3a cannot be vertically stressed, produce inclination angle component mg*tag α, although sensor has certain self-compensating function, but inclination alpha is ° larger, compensation precision will be lower, if exceed 5 °, truck scale measuring accuracy declines obviously, substantially loses function of measuring, must stop using, debug detection, use as continued, will have a strong impact on the fairness of trade settlement, cause irremediable loss.The inclination angle state of weighing instrument 4a real-time monitoring sensing device, once inclination angle is excessive, will abnormal alarm, truck scale commissioning engineer also can adjust according to dip angle parameter the verticality of sensor, makes truck scale all the time in best measuring accuracy.
Claims (7)
1. a Multifunctional weighing sensor, comprise pillar elastic body, be positioned at the housing of elastic body outer wall, the digital signal processing module of being located at the strainometer on elastic body and being connected with strainometer, it is characterized in that: described housing is many faceted pebbles seal casinghousing, in digital signal processing module, be provided with obliquity sensor, Temperature Humidity Sensor for the stressed inclination angle of monitoring sensor size, elastomeric lower end is provided with anti-rotation structure.
2. Multifunctional weighing sensor according to claim 1, it is characterized in that: described anti-rotation structure is specially: elastomeric lower end offers and the circular counter bore structure of carrying annex assembling, thereby make the bottom, hole forming become protruding sphere inner circle bearing holes, the protruding spherical structure in bottom, hole contacts power transmission with carrying annex, elastomeric lower end periphery is shaped to 3～6 can be whittled into plane with polygonized structure or the periphery left and right sides, elastomeric lower end of carrying annex formation screens anti-rotation, annex is corresponding coordinates with carrying, forms the structure of screens anti-rotation.
3. Multifunctional weighing sensor according to claim 1, it is characterized in that: described elastomeric middle part forms the strain bore for placing strainometer, digital signal processing module is arranged in housing round position, elastomeric middle and lower part, digital signal processing module is channel structure, is welded with two aviation plugs that are connected with the binary channels joint of digital signal processing module respectively on housing.
4. Multifunctional weighing sensor according to claim 3, is characterized in that: described aviation plug is welded on respectively on two faceted pebbles wherein of housing.
5. according to the Multifunctional weighing sensor described in claim 1～4 any one, it is characterized in that: described housing is six faceted pebbles, three faceted pebbles, four faceted pebbles, five faceted pebbles or seven faceted pebbles.
6. according to the Multifunctional weighing sensor described in claim 1～4 any one, it is characterized in that: described digital signal processing module output removes to connect weighing instrument, is provided with and display module that humiture monitor and the alarm of reporting to the police big or small to the stressed inclination angle of sensor in weighing instrument.
7. Multifunctional weighing sensor according to claim 6, is characterized in that: described weighing instrument is with the network port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420119811.9U CN203837784U (en) | 2014-03-17 | 2014-03-17 | A multifunctional weighing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420119811.9U CN203837784U (en) | 2014-03-17 | 2014-03-17 | A multifunctional weighing sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203837784U true CN203837784U (en) | 2014-09-17 |
Family
ID=51515609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420119811.9U Expired - Lifetime CN203837784U (en) | 2014-03-17 | 2014-03-17 | A multifunctional weighing sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203837784U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017128078A1 (en) * | 2017-11-28 | 2019-05-29 | Minebea Intec GmbH | Rotary sensor for a load cell |
| CN114593806A (en) * | 2020-12-04 | 2022-06-07 | 梅特勒-托利多(常州)精密仪器有限公司 | Weighing module reaches weighing system including it |
-
2014
- 2014-03-17 CN CN201420119811.9U patent/CN203837784U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017128078A1 (en) * | 2017-11-28 | 2019-05-29 | Minebea Intec GmbH | Rotary sensor for a load cell |
| DE102017128078B4 (en) | 2017-11-28 | 2022-09-01 | Minebea Intec GmbH | Twist sensor for a load cell |
| CN114593806A (en) * | 2020-12-04 | 2022-06-07 | 梅特勒-托利多(常州)精密仪器有限公司 | Weighing module reaches weighing system including it |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |