CN1071505A - The hydraulic pressure that the is used for mechanical platform scale collecting unit of weighing - Google Patents
The hydraulic pressure that the is used for mechanical platform scale collecting unit of weighing Download PDFInfo
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- CN1071505A CN1071505A CN 91109270 CN91109270A CN1071505A CN 1071505 A CN1071505 A CN 1071505A CN 91109270 CN91109270 CN 91109270 CN 91109270 A CN91109270 A CN 91109270A CN 1071505 A CN1071505 A CN 1071505A
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Abstract
A kind of hydraulic pressure that is used for mechanical platform scale collecting unit of weighing, be above the V-notch place of the terminal suspension of its arm beam of steelyard sliding weight of steelyard, install its bottom and be the corrugated tube of cone shape, and its vertex of a cone and V-notch bottom connection are touched, the corrugated tube inner chamber is full of pressure transmitting medium, its intracavity bottom has a pressure transmission aperture to be connected with the tracting pressuring hole that is placed on mechanical platform scale pressure acquisition unit nearby by the impulse kapillary, this pressure acquisition unit is connected with adaptation module in being inserted in universal standard industrial control interface case by lead, and the interface case then connects with computing machine.Weighing operation is simple, rapid, precision is high, makes platform scale become the electronic scales that " intelligence " is changed.
Description
The present invention relates to a kind of supporting application apparatus of force-sensing sensor, exactly, promptly it is used for mechanical platform scale and the cover hydraulic pressure sensor of weighing formed.
Now, various mechanical platform scales still are widely used as the main weighing apparatus means of weighing in enterprises and institutions such as many factories, shop, school, warehouses, this be because it is simple in structure, weighing is accurate, easy to use.But, in recent years the desk-top electronic scales that uses in many public arenas then with its operation more easy and weighing accurately and have and multiplely digitally show that advantages such as (comprising weight, unit price, price and total price etc.), reading be directly perceived win increasing people's favor and widened its application scenario gradually.It is limited that yet desk-top electronic scales Bi Jing weighs, and the output of now most of commercial desk-top electronic scales still is confined to have only on the digital elementary function that shows, " hard copy " of printing the list of weighing can not be provided.
The purpose of this invention is to provide a kind of hydraulic pressure that is used for mechanical platform scale collecting unit of weighing, make the console mode that still do not possess electronics check weighing function at present and the mechanical platform scale of other patterns be transformed into electronic scales with Premium Features.
Structure of the present invention is as shown in Figure 1: above the terminal v-notch place that hangs sliding weight of steelyard of the arm beam of steelyard 1 of mechanical platform scale, install its bottom and be the corrugated tube 2 of cone shape, and the v-notch bottom connection of its vertex of a cone and the arm beam of steelyard is touched, the inner chamber of corrugated tube 2 is full of pressure transmitting medium 3, its intracavity bottom has a pressure transmission aperture to be connected with the tracting pressuring hole that is placed on mechanical platform scale pressure acquisition unit 5 nearby by impulse kapillary 4, this pressure acquisition unit 5 is connected with the adaptation module 7 that is inserted in 6 li in universal standard industrial control interface case by lead, and 6 in interface case connects with computing machine 8.
Corrugated tube is to use pressure instrumentation element quite widely at present, and its mechanical characteristic is good, is linear change basically, also has the corrugated tube finished product of various unlike materials, different size to sell separately on the market now.The present invention is full of pressure transmitting medium (can adopt silicone oil) in the corrugated tube inner chamber, it is used as the mechanical transform component of the gravity of a platform scale check weighing or pressure: after the thing of being weighed is put weighting platform, the arm beam of steelyard can be tilted upward, its v-notch just heads on the awl point of corrugated tube bottom and upwards exerts pressure, make the corrugated tube compression, the pressure transmitting medium-silicone oil of its inner chamber also is extruded.According to Pascal's relevant law, there is the linear ratio relation in the ratio of effective bearing cross-section area (S) of the pressure that corrugated tube axially is subjected to (F) and this corrugated tube with the pressure (P) that imports pressure acquisition unit by the impulse kapillary into: P α F/S.As long as carry out repeatedly the test of standard weights, just can obtain the numerical value corresponding relation between them easily.Because corrugated tube is directly to be contained on the pressure acquisition unit as the responsive testing element of pressure and pressure, also can directly mate, and the base components-pressure acquisition unit of electromechanical integration carries out the peripheral input of the standard sensitive element that data conversion treatment is an industrial control computer system by the adaptation module that is inserted in the standard industrial control case by impulse kapillary and pressure acquisition unit.Like this, just can be connected pressure acquisition unit with adaptation module in being inserted in standard industrial control, make it to become the another peripherals of computing machine again by the interface case, include in the computer management system, the present invention also just has been transformed into the high-grade electronic scales of computer control process information to the mechanical platform scale of routine.During use, as long as corrugated tube of the present invention is packed in the reverse position top that original arm beam of steelyard hangs sliding weight of steelyard, its vertex of a cone and v-notch bottom connection are touched, the present invention just can replace sliding weight of steelyard, by the elastic deformation of corrugated tube and the transmission of pressure transmission kapillary and pressure acquisition unit (both also all are the approved product that can buy on the market for the backs), responsive, the actual loading data in real time of platform scale sent in the computer system handle, so mechanical platform scale has been weighed the plurality of advantages that also can obtain computing machine and infotech, remaining main task is to work out corresponding program or acquire a small amount of hardware just to make mechanical platform scale also can finish automatic calibration, automatically finish various operation of data, analyze, handle and (comprise demonstration, print) etc. task, become " intelligence " type electronic scales, the weighing precision height, data accurately and reliably and possess storage, handle, multiple functions such as conversion.
When using the present invention to weigh, the arm beam of steelyard of platform scale is blocked by the bellows element top, no longer swing, during so each operation, do not add and subtract sliding weight of steelyard, do not wait until that the arm beam of steelyard is stable yet, as long as claimed the object of weighing apparatus to place on the weighing platform, computing machine just can collect the actual weight of object immediately, has both simplified operating performance, improves the speed of weighing again greatly.
If the present invention can apply, very big society, economic benefit will be obtained in industry-by-industry.For example apply the present invention in the village supply and marketing cooperative and improve mechanical platform scale, just can avoid occurring grain and cotton purchase peasant in season and stand in a long queue and wait for the passive situation of mistaking of delaying work of weighing, the staff is not only busy but also tired never again, does not also make mistakes unavoidably.This is because the present invention not only improves the work efficiency of weighing greatly, what is more important, utilize technological means of the present invention, gather peripherals for one that traditional mechanical type platform scale can be transformed into infosystem, so just can handle and make out an invoice, valuate, settle accounts, gather and total purchase clerical work such as statistics, these all are included into the management area of computer information processing, and have replaced manually-operated.In a word, the present invention can become the frequent important means of using the unit realization technical progress of big machinery platform scale such as village supply and marketing cooperative, warehouse accumulating and large-scale wholesale shop etc.
Claims (2)
1, a kind of hydraulic pressure that is used for mechanical platform scale collecting unit of weighing, it is characterized in that: above the terminal v-notch place that hangs sliding weight of steelyard of the arm beam of steelyard of mechanical platform scale, install its bottom and be the corrugated tube of cone shape, and its vertex of a cone and v-notch bottom connection are touched, the corrugated tube inner chamber is full of pressure transmitting medium, its intracavity bottom has a pressure transmission aperture to be connected with the tracting pressuring hole that is placed on mechanical platform scale pressure acquisition unit nearby by the impulse kapillary, this pressure acquisition unit is connected with adaptation module in being inserted in universal standard industrial control interface case by lead, and the interface case then connects with computing machine.
2, the hydraulic pressure as claimed in claim 1 collecting unit of weighing is characterized in that the pressure transmitting medium that is full of in the corrugated tube inner chamber is a silicone oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91109270 CN1071505A (en) | 1991-10-09 | 1991-10-09 | The hydraulic pressure that the is used for mechanical platform scale collecting unit of weighing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91109270 CN1071505A (en) | 1991-10-09 | 1991-10-09 | The hydraulic pressure that the is used for mechanical platform scale collecting unit of weighing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1071505A true CN1071505A (en) | 1993-04-28 |
Family
ID=4909742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91109270 Pending CN1071505A (en) | 1991-10-09 | 1991-10-09 | The hydraulic pressure that the is used for mechanical platform scale collecting unit of weighing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1071505A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107209045A (en) * | 2015-01-20 | 2017-09-26 | 金宙科技有限公司 | Vehicle load metering device |
-
1991
- 1991-10-09 CN CN 91109270 patent/CN1071505A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107209045A (en) * | 2015-01-20 | 2017-09-26 | 金宙科技有限公司 | Vehicle load metering device |
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