CN2282169Y - Photoelectric measurer for conductor length - Google Patents
Photoelectric measurer for conductor length Download PDFInfo
- Publication number
- CN2282169Y CN2282169Y CN 96215512 CN96215512U CN2282169Y CN 2282169 Y CN2282169 Y CN 2282169Y CN 96215512 CN96215512 CN 96215512 CN 96215512 U CN96215512 U CN 96215512U CN 2282169 Y CN2282169 Y CN 2282169Y
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- casing
- roller
- circuit
- measurement
- photoelectric
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- Expired - Fee Related
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model relates to a photoelectric measuring instrument for measuring conducting wire length, which is composed of a box-shaped machine casing, a control panel arranged on the upper part of the machine casing, a control circuit arranged in the machine casing, a mechanical drive part arranged in the machine casing and composed of a measurement rolling wheel, a guide rolling wheel and a pressing wheel, a photoelectric conversion disk coaxial with the measurement rolling wheel, and a sensing part composed of a photoelectric switch. The rotation of the measurement rolling wheel can be realized through the utilization of the friction of the conducting wire, and the rotation of the photoelectric sensing part can be driven. The displacement signal of the length of the conducting wire can be converted into an electric pulse, and the electric pulse can be sent into the control circuit of an 8031 single chip computer to realize the processing and the calculation of data. When a setting distance is achieved, the buzzing indication and the display of liquid crystal digital code can be realized. The utility model can remind operating personnel to install a spacer, and the utility model has the advantages of convenient operation and high measuring precision.
Description
The utility model relates to a kind of self-operated measuring unit that single chip microcomputer constitutes of using, and exactly, relates to a kind of conductor length photoelectric measuring instrument.
For remote transmission of electric energy, usually voltage is increased to several ten thousand～tens0000 volts, deliver to customer center through power transmission line again.This high voltage transmission line generally is with bare conductors such as copper, aluminium, steel or steel-cored aluminiums, is fastened on built on stilts laying the on rod or the iron tower.For the safety of power network, these high voltage transmission lines must not touch mutually.Need to use conductor spacer that each conductor spacing certain distance is made it fixing with other power transmission lines arrangements up and down.Range determination between the present this conductor spacer all is to adopt the artificial walking-meter step to measure at the electric pole downside, perhaps adopts tape measure to measure on ground, and is both inaccurate, error big, labour intensity is also quite big; If run into, also can't measure with this method across the conductor length between the iron tower in mountain valley, river.
The purpose of this utility model provides a kind of self-operated measuring unit---conductor length photoelectric measuring instrument that uses single chip microcomputer to constitute, this device can be used for measuring conductor length, so that when lead spacer is installed, be used to survey long location, the measuring accuracy height, easy to use.
The utility model is to realize like this, the sensing measurement part that includes casing, single chip machine controlling circuit, constitutes by mechanical drive and opto-electronic conversion, it is characterized in that: casing is rectangular box-like, be installed on control panel and be the control core circuit by single chip microcomputer at the casing upside, the casing both sides are provided with for lead runs through the Long Circle hole of passing through; Downside middle position at box-like casing is installed on cylindrical measurement roller, parallelly respectively in the both sides of this measurement roller be installed on a guide roller, being coaxially installed with in a side of measuring roller can changeover panel and the opto-electronic conversion sensing device that constitutes of optoelectronic switch by photoelectricity; Upside installation at box-like casing is provided with a contact roller, the shaft axis of this contact roller is answered parallel offset and is positioned at axis one side of the measurement roller wheel shaft of its downside, the rotating shaft of this contact roller is fixed on the framework, and compression spring and casing that this framework is installed by its four jiaos of downsides fuse.
Above-mentioned measurement roller should be selected the rubberite manufacturing for use.
The material of above-mentioned contact roller and angle sheave should be nylon, and the wheel rim of this two-wheeled should be carefully middle and the thick arcuation curve in two ends.
Above-mentioned single-chip microcomputer by the control core circuit by 8031 cpu chips and storer thereof, receive shaping circuit, correction coefficient receiving circuit, transducing signal as the button of its input end and receive shaping circuit and formed as the sound equipment driving circuit and the digital display driver circuit of its output terminal.
Characteristics of the present utility model are to utilize the mechanical drive and the sense measuring device of its particular design, after lead run through this device, again this device and driving are linked, operating personnel are sitting in the driving that is erected on the lead, just can be as manipulating range determination and the installing and locating that counter carries out lead spacer.Wherein measure the angle sheave of roller and its both sides, and the contact roller of the upside mechanical driving part that matches and constitute, and the photoelectric sensing measure portion that constitutes such as opto-electronic conversion dish, can guarantee that this measurement mechanism has very high measuring accuracy, be aided with the data computation, processing and the digital displaying sound indication control circuit that constitute by single chip microcomputer again, make whole measuring process convenient, simple, accuracy height again, thus alleviate the transmission of electricity labor intensity of operating personnel greatly.
Below in conjunction with drawings and Examples, specifically introduce structure of the present utility model and principle of work
Fig. 1 is the utility model casing stereoscopic synoptic diagram
Fig. 2 is internal mechanical transmission of the utility model casing and photoelectric sensing part-structure schematic top plan view
Fig. 3 is the measurement roller and the coaxial mounted photoelectric conversion sensor structural representation thereof of the utility model casing inside
Fig. 4 single chip machine controlling circuit block diagram of the present utility model
The electrical schematic diagram of the some embodiment of Fig. 5 control circuit of the present utility model
Referring to Fig. 1～Fig. 3, the utility model be the control panel 2 installed by casing 1, at casing 1 upside and control panel 2 in installation be the mechanical driving part of installing in control core circuit (not shown) and the casing by single chip microcomputer, form with the sensing measurement part 4 that photoelectric conversion section constitutes, wherein casing 1 is rectangular box-like, can raise from the centre and be divided into up and down two parts (referring to Fig. 2), the both sides of casing 1 are provided with Long Circle through hole 11, for lead run through by.Control panel 2 is provided with liquid crystal digital display tube 21, control button 22, loudspeaker 23 and gauge tap 24.The casing front center is provided with switch hasp 12.Downside middle position at casing 1 is provided with the cylindrical measurement roller made from rubberite 41, parallelly respectively in the both sides of measuring roller 41 be installed on a guide roller 42 made from nylon, be coaxially installed with the photoelectric sensing conversion equipment that constitutes by opto-electronic conversion dish 43 and optoelectronic switch 44 in a side of measuring roller 41.Wherein photoelectric conversion device can be selected the rotary encoder of upright stone (OMRON) company of Japan for use, and its model can be the E6B type.Upside installation at box-like casing 1 is provided with a contact roller 45 of also making with nylon, the rotating shaft of this contact roller 45 is fixed on the framework 46, compression spring and casing 1 that this framework 46 is installed by its four jiaos of downsides fuse, and the axis of this contact roller 45 is answered a side of the measurement roller 41 of parallel its downside of deflection.Contact roller 45 should be carefully middle and the thick arcuation curve in two ends with the wheel rim of guide roller 42.After being placed on lead 9 on guide roller 42 and the measurement roller 41 when opening box-like casing 1, upside casing 1 should being closed up the top of covering at the downside casing, and casing be locked with hasp 12.At this moment, because the lead of surveying has certain diameter, it tightly is pressed in by the contact roller on the casing 45 and measures on the roller 41, the two ends of this lead then by frame on guide roller 42.During work, this device travels forward along lead with driving, will force measurement roller 41 to be subjected to the lead frictional force drives and rotation thereupon, the opto-electronic conversion dish 43 that drives its coaxial opposite side simultaneously also rotates synchronously, the number of turns of opto-electronic conversion dish 43 rotations should be identical with measuring roller 41 like this, and optoelectronic switch 44 reception of measuring that the number of turns that opto-electronic conversion dish 43 rotates can be installed by its both sides, thereby the angle displacement (also being the length of lead) of optical disc 43 rotations is converted to electric impulse signal send into control circuit 3 by lead, again by single-chip microcomputer process data processing and logical operation, the stroke (length) of above-mentioned mechanical motion is changed, by crystal digital coding on the display spare notices operation personnel, in case reach setting apart from the time, control circuit also can be sounded bulletin to remind operating personnel, can the local integration conductor spacer.
The automatic control process of data acquisition of the present utility model, processing and output is to be finished by the minimum system of 8031 single-chip microcomputers, this system is made up of 8031CPU address latch (74LS373) and program storage EPROM (2764), and the button that control circuit also includes as input end receives shaping circuit, correction coefficient receiving circuit and transducing signal reception shaping circuit; And as the sound equipment driving circuit and the display driver circuit (referring to Fig. 4) of output terminal.
Fig. 5 has showed the several unit circuits electrical schematic diagram of control circuit among the utility model embodiment.Wherein U1 (8031), U2 (74LS373) and U3 (EPROM 2764) constitute single-chip computer control system, also are the logic control circuit cores of this device.U4 amplifier and button A1, R2, R6, C9 constitute receiving circuit, and this device is provided with four button receiving element circuit altogether, are connected with 8301 corresponding input end respectively, and the logic of matching program is set, and has the function that a key is used more.Thumb-acting switch N1～N4 and U13, U14 (74HC245) constitute the correction coefficient receiving circuit, and its effect is to read in correction factor, is used to revise measuring error, improve measuring accuracy.U4:A and R3, R5, C8 have constituted the sensor receiving circuit.U5～U8 (4511) is that seven sections decoder drivers of four BCD cooperate the formation liquid crystal display drive circuit with UP～U12 (DIP10).U16 (4502) constitutes hummer sound equipment driving circuit with peripheral circuit.
The utility model is through on-the-spot test, and its measuring accuracy is within 2 ‰, and is and easy to use, realized goal of the invention.
Claims (4)
1, a kind of conductor length photoelectric measuring instrument, the sensing measurement part that includes casing, single chip machine controlling circuit, constitutes by mechanical drive and opto-electronic conversion, it is characterized in that: casing is rectangular box-like, be installed on control panel and be the control core circuit by single chip microcomputer at the casing upside, the casing both sides are provided with for lead runs through the Long Circle hole of passing through; Downside middle position at box-like casing is installed on cylindrical measurement roller, parallelly respectively in the both sides of this measurement roller be installed on a guide roller, be coaxially installed with the opto-electronic conversion sensing device that constitutes by opto-electronic conversion dish and optoelectronic switch in a side of measuring roller; Upside installation at box-like casing is provided with a contact roller, the shaft axis seat parallel offset of this contact roller and be positioned at axis one side of the measurement roller wheel shaft of its downside, the rotating shaft of this contact roller is fixed on the framework, and compression spring and casing that this framework is installed by its four jiaos of downsides fuse.
2, conductor length photoelectric measuring instrument as claimed in claim 1 is characterized in that: above-mentioned measurement roller should be selected the rubberite manufacturing for use.
3, conductor length photoelectric measuring instrument as claimed in claim 1, it is characterized in that: the material of above-mentioned contact roller and angle sheave should be nylon, and the wheel rim of this two-wheeled should be carefully middle and the thick arcuation curve in two ends.
4, conductor length photoelectric measuring instrument as claimed in claim 1 is characterized in that: above-mentioned single-chip microcomputer by the control core circuit by 8031 cpu chips and storer thereof, receive shaping circuit, correction coefficient receiving circuit, transducing signal as the button of its input end and receive shaping circuit and formed as the sound equipment driving circuit and the digital display driver circuit of its output terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96215512 CN2282169Y (en) | 1996-07-12 | 1996-07-12 | Photoelectric measurer for conductor length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96215512 CN2282169Y (en) | 1996-07-12 | 1996-07-12 | Photoelectric measurer for conductor length |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2282169Y true CN2282169Y (en) | 1998-05-20 |
Family
ID=33897281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96215512 Expired - Fee Related CN2282169Y (en) | 1996-07-12 | 1996-07-12 | Photoelectric measurer for conductor length |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2282169Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799547A (en) * | 2010-03-17 | 2010-08-11 | 上海大学 | Photoelectric curve distance meter |
| CN102937432A (en) * | 2012-11-02 | 2013-02-20 | 无锡华联科技集团有限公司 | Pipe conveying length detecting mechanism |
| CN106000899A (en) * | 2016-06-24 | 2016-10-12 | 广西三威林产工业有限公司 | Rough board length screening system |
| CN109323648A (en) * | 2018-10-24 | 2019-02-12 | 青海送变电工程有限公司 | A kind of lead spacer mounting distance measuring appliance |
| CN112444222A (en) * | 2020-12-07 | 2021-03-05 | 云南电网有限责任公司昆明供电局 | Transmission line leads, ground wire distance measuring device |
-
1996
- 1996-07-12 CN CN 96215512 patent/CN2282169Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799547A (en) * | 2010-03-17 | 2010-08-11 | 上海大学 | Photoelectric curve distance meter |
| CN102937432A (en) * | 2012-11-02 | 2013-02-20 | 无锡华联科技集团有限公司 | Pipe conveying length detecting mechanism |
| CN106000899A (en) * | 2016-06-24 | 2016-10-12 | 广西三威林产工业有限公司 | Rough board length screening system |
| CN109323648A (en) * | 2018-10-24 | 2019-02-12 | 青海送变电工程有限公司 | A kind of lead spacer mounting distance measuring appliance |
| CN109323648B (en) * | 2018-10-24 | 2020-05-26 | 青海送变电工程有限公司 | Installation distance measuring device for conductor spacer |
| CN112444222A (en) * | 2020-12-07 | 2021-03-05 | 云南电网有限责任公司昆明供电局 | Transmission line leads, ground wire distance measuring device |
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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 |