CN2823978Y - Ultrasonic level-meter - Google Patents
Ultrasonic level-meter Download PDFInfo
- Publication number
- CN2823978Y CN2823978Y CN 200520008560 CN200520008560U CN2823978Y CN 2823978 Y CN2823978 Y CN 2823978Y CN 200520008560 CN200520008560 CN 200520008560 CN 200520008560 U CN200520008560 U CN 200520008560U CN 2823978 Y CN2823978 Y CN 2823978Y
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- ultrasound wave
- piston shoes
- utility
- model
- ultrasonic
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Abstract
The utility model relates to a non-contact multiprobe ultrasonic leveling apparatus. In the utility model, a main control box is connected with a plurality of slide boots and every slid boot is also provided with a plurality of ultrasonic probes. Through the probes, ultrasonic is sent out, and reflected ultrasonic is received to realize that the distance between a testing point and the ground is measured out in the non-contact mode, so the utility model has the advantages of wide use range and high flexibility. Because the utility model is different from the existing contact type detector and a mechanical part exists in the detection position, loss is generated and the service life is enhanced. In addition, by selecting an approximate measured value in the process of measurement, average counting is carried out, and through a compensating energy converter, the error which is generated because of the change of air is corrected to obtain a measured result which has less deflection with the actual measured value.
Description
Technical field
The utility model relates to a kind of contactless multi-probe ultrasound wave levelling instrument.
Technical background
Original contact levelling instrument is analog quantity output control, must be close to reference surface or benchmark rope with mechanicalness, when meeting some particular point situations such as stone sound, slit, benchmark rope node, whole output control also changes thereupon, and existing contactless levelling instrument mostly is single ultrasonic sensor greatly, when detecting irregular road surface, projection and hole concave portion can not get compensation, can cause great influence to detection architecture.
The utility model content
The utility model is in order to overcome above-mentioned shortcoming, provides a kind of and measures accurately, high life, usable range is wide, dirigibility is high ultrasound wave levelling instrument.
The technical scheme in the invention for solving the technical problem is: comprise a primary control box, described primary control box is connected with at least one ultrasound wave piston shoes, and described ultrasound wave piston shoes are provided with at least two ultrasonic probes.
Can be connected by at least one grade of junction box between described primary control box and the ultrasound wave piston shoes, the number of described junction box is at least one, and each junction box is connected with at least one ultrasound wave piston shoes or next stage junction box respectively.
Probe number on the described ultrasound wave piston shoes can be 5.
The number of the junction box that described primary control box connects can be 2.
Can be provided with 3 ultrasound wave piston shoes on described each junction box.
Described ultrasonic probe can be high-frequency transducer.
Described each ultrasound wave piston shoes can be respectively by a Single-chip Controlling.
Can be provided with one in the described primary control box and be used for single-chip microcomputer that whole ultrasonic ripple levelling instrument is controlled.
Also can be provided with button, display screen and pilot lamp on the panel of described primary control box.
The utility model connects a plurality of piston shoes at primary control box, each piston shoes is provided with a plurality of ultrasonic probes again, send ultrasound wave by probe, receiving its reflection supersonic wave, realize that non-contact mode measuring goes out the distance between test point and the ground, make that the utility model usable range is wide, the dirigibility height, owing to be different from the existing contact detector, exist mechanical part to produce loss because of surveying the position, improved serviceable life greatly, in addition, by in the process of measuring, choosing the measured value that is close, average calculating, and the error that changes generation because of air is carried out, thereby obtain the measurement result littler with the actual measured value deviation by the compensation transducer.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Fig. 2 is a user mode synoptic diagram of the present utility model
Fig. 3 is the theory diagram of the utility model hardware control circuit
Fig. 4 is the software flow pattern in the utility model
Fig. 5 is the structural representation of ultrasonic sensor in the utility model
Embodiment
As shown in Figure 1, the utility model comprises a primary control box 8, two junction boxs 6 and six ultrasound wave piston shoes 7, described two junction boxs 6 are connected on the described primary control box 8 by spiral cable line 5 respectively, described each junction box connects three piston shoes 7 by other three spiral cable lines 10 respectively again, and described each piston shoes are provided with six ultrasound wave high-frequency transducers 9.On the panel of primary control box, also be provided with a LCDs 2, four buttons 4, four square pilot lamp 3 and a plurality of and high-frequency transducer 9 corresponding diode pilot lamp 1.
The front end that described ultrasound wave piston shoes 7 are total systems also is the most critical part, its structure as shown in Figure 5, six ultrasound wave high-frequency transducer 9 five range finding transducer a～e wherein are arranged on the piston shoes framework end face, also have a compensation transducer f to be arranged on the sidewall of described piston shoes framework one side.In the course of work of ultrasound wave piston shoes, at first by high frequency range finding transducers transmit ultrasonic waves, the formation reflection wave returns and is received by high frequency range finding transducer after ultrasound wave is run into medium, obtains useful digital signal.5 independent transducers are worked simultaneously on the ultrasound wave piston shoes, but have only 3 measured values near the actual detected value just can adopt, thereby try to achieve mean value.By this method, irregular detected value will can not calculated, and just can not have influence on the result of mean value.Simultaneously, the sensor emission that is positioned on the piston shoes sidewall reflects behind another sidewall again, is received by transducer, thereby detects the error that produces because of air temperature variations, and compensate by advancing to calculate.
The hardware control circuit of present embodiment as shown in Figure 3, in described primary control box, corresponding described two junction boxs are respectively arranged with two master controllers, each primary controller is controlled corresponding junction box branch respectively, cause two branched structures are identical, be example only among the figure with a master controller, each master controller is respectively arranged with a single-chip microcomputer P89C668, each branch is linked to each other as the overhead control chip and with the interface of paving machine by described single-chip microcomputer P89C668, is responsible for various signal datas processing, man-machine interface realization, output control signal.Described single-chip microcomputer P89C668 and peripheral treatment circuit thereof are connected with the online programming interface, be used to connect I/O chip 8255 and a communicating circuit of display lamp and button circuit, described communicating circuit links to each other with junction box, be connected in the ultrasound wave piston shoes sensor circuit of next stage, described ultrasound wave piston shoes sensor circuit also is connected with described cable concentrator by a communication line, carry out exchanges data by the single-chip microcomputer P89C668 in cable concentrator and the primary control box in the mode of CAN agreement, and by another single chip computer AT 89C52 as the overhead control chip, single chip computer AT 89C52 on described each ultrasound wave piston shoes is connected with communicating circuit in turn, the single-chip microcomputer treatment circuit, the CPLD chip, trigger Echo Processing circuit and high energy range finding transducer a～e, also have a compensation transducer f to link to each other with described triggering Echo Processing circuit., like this, just can answer customer requirement to carry out some feasible timely modifications, to satisfy different requirements because but the utility model has used popular in the world online programming single-chip microcomputer P89C668.Secondly, its communication protocol has also adopted the CAN agreement, and these some all be that the raising of this product quality and content is laid a good foundation.
The flow process of the main program module in the utility model software through after initialization, LED demonstration, the keyboard scan process, by differentiating the different command value of key input, enters corresponding different subroutine and carries out work successively as shown in Figure 4.The utility model adopts full modular design, is divided into some sub-modules under main degree module, and sub-module is only got in touch with primary module, and it doesn't matter between the sub-module.This program modularity design, antijamming capability is strong, and modification is than being easier to, and is readable strong, and upgrading is present popular software program method easily.
The utility model is based on the application of acoustic reflection law, and sound wave is subjected to air themperature when propagating in gas, and when pressure changed, the velocity of sound also changed thereupon.The single probe of numerous manufacturer production ultrasound wave levelling instrument system is arranged both at home and abroad, its temperature compensation is not good, this instrument adopts penalty method for this reason, utilizing characteristic in self Machine Design is that distance between the both sides plate washer on the piston shoes is fixed range, though the velocity of sound changes under the different condition, the fixed range between the plate washer and the constant rate of measuring distance.Therefore pass through the measurements and calculations of compensation transducer f, thereby the variation of air themperature is effectively compensated distance between the biside plate.
Use as shown in Figure 2, combination of ultrasound wave piston shoes and average function thereof can act on long and irregular road surface, hole concave portion as the road surface will be compensated, because this ultrasound wave piston shoes combination can be rejected less, bigger irregular value, these values will on average be fallen machine and be need not point-device reference surface.Piston shoes combinations will improve the reference surface situation even need not the combination of benchmark rope piston shoes, will make you have greater flexibility and you is saved time finally can save fund.Half and half cover about instrument is divided in the system, forming identical i.e. three piston shoes, a cable concentrator, a primary controller and some cables becomes a measurement, control loop.Owing on each piston shoes five distance measuring sensors are arranged, try to achieve mean value thereby have only three measured values just to use near actual measured value; And combination of three piston shoes and average function thereof can act on hole concave portion long and irregular road surface such as road surface and will be compensated, thereby make finding range reach 200mm-1000mm, considerably beyond the relative range of contact and single probe levelling instrument.
The combination of ultrasound wave piston shoes need not point-device reference surface, piston shoes combinations will improve examines planar condition fund and need not the benchmark rope, be more conducive to the use of road building machine, be fit to various road conditions more, as road conditions such as heavy grade, high drops, make construction party have greater flexibility, the saving fund, save time.Contact levelling instrument is analog quantity output control, must be close to reference surface (or benchmark rope) with mechanicalness, and when meeting some particular point situations such as stone sound, slit, benchmark rope node, whole output control also changes thereupon.Because the utility model adopts ultrasonic device to measure, and does not contact with reference surface, this has reduced the wearing and tearing of mechanical parts on the one hand, improves serviceable life; On the other hand, it exports control stably, has also promoted machine performance, has improved construction quality.
Owing to mostly select the 40KHz transducer both at home and abroad, its advantage of 175KHz high-frequency transducer that adopts in the utility model is as follows:
1. frequency height, for example be 1/175 * 103Hz=5.7us the frequency one wave period of 175KHz, and wave period of 40KHz transducer be 1/40 * 103Hz=25us, therefore, can improve about 4.4 times than 40KHz at 175KHz on the time degree
2. the frequency height also is conducive to improve the directive property of transducer, obtains at a little surface of emission Must sharp directive property.
3. the blind area is little, supposes exomonental width regulation 40 cycles of emission, uses 175KHz Then the emission pulsewidth in 40 cycles is 228us. If same launched for 40 week with 40KHz Its generation pulsewidth will reach 1000us phase, and this significantly makes measures the blind area increase.
Claims (9)
1. a ultrasound wave levelling instrument comprises a primary control box, it is characterized in that: described primary control box is connected with at least one ultrasound wave piston shoes, and described ultrasound wave piston shoes are provided with at least two ultrasonic probes.
2. ultrasound wave levelling instrument according to claim 1, it is characterized in that: be connected by at least one grade of junction box between described primary control box and the ultrasound wave piston shoes, the number of described junction box is at least one, and each junction box is connected with at least one ultrasound wave piston shoes or next stage junction box respectively.
3. ultrasound wave levelling instrument according to claim 1 and 2 is characterized in that: the probe number on the described ultrasound wave piston shoes is 5.
4. ultrasound wave levelling instrument according to claim 2 is characterized in that: the number of the junction box that described primary control box connects is 2.
5. according to claim 2 or 4 described ultrasound wave levelling instrument, it is characterized in that: described each junction box is provided with 3 ultrasound wave piston shoes.
6. ultrasound wave levelling instrument according to claim 1 and 2 is characterized in that: described ultrasonic probe is a high-frequency transducer.
7. ultrasound wave levelling instrument according to claim 1 and 2 is characterized in that: described each ultrasound wave piston shoes are respectively by a Single-chip Controlling.
8. ultrasound wave levelling instrument according to claim 1 and 2 is characterized in that: be provided with one in the described primary control box and be used for single-chip microcomputer that whole ultrasonic ripple levelling instrument is controlled.
9. ultrasound wave levelling instrument according to claim 1 and 2 is characterized in that: also be provided with button, display screen and pilot lamp on the panel of described primary control box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520008560 CN2823978Y (en) | 2005-03-16 | 2005-03-16 | Ultrasonic level-meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520008560 CN2823978Y (en) | 2005-03-16 | 2005-03-16 | Ultrasonic level-meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2823978Y true CN2823978Y (en) | 2006-10-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520008560 Expired - Lifetime CN2823978Y (en) | 2005-03-16 | 2005-03-16 | Ultrasonic level-meter |
Country Status (1)
| Country | Link |
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| CN (1) | CN2823978Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256903A (en) * | 2013-04-03 | 2013-08-21 | 德国Moba自动控制股份有限公司 | Paving thickness detecting system and equalizing beam system including same |
| CN103866672A (en) * | 2012-12-14 | 2014-06-18 | 约瑟夫福格勒公司 | Construction machine with setup assistance system for sensor unit |
| CN105625145A (en) * | 2016-03-22 | 2016-06-01 | 西安依恩驰网络技术有限公司 | Suspended spreading machine leveling device and leveling method thereof |
| CN111455781A (en) * | 2020-04-25 | 2020-07-28 | 江苏奥新科技有限公司 | Multi-beam ultrasonic leveling control system for pavement machinery, control method thereof and application of control system |
| EP3739122B1 (en) | 2019-05-14 | 2021-04-28 | Joseph Vögele AG | Road finisher and method for determining a thickness of a layer of an established installation layer |
| CN113756158A (en) * | 2020-10-09 | 2021-12-07 | 张学枝 | Novel ultrasonic sliding shoe |
-
2005
- 2005-03-16 CN CN 200520008560 patent/CN2823978Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103866672A (en) * | 2012-12-14 | 2014-06-18 | 约瑟夫福格勒公司 | Construction machine with setup assistance system for sensor unit |
| CN103866672B (en) * | 2012-12-14 | 2016-09-14 | 约瑟夫福格勒公司 | There is the building machinery arranging aid system for sensor unit |
| CN103256903A (en) * | 2013-04-03 | 2013-08-21 | 德国Moba自动控制股份有限公司 | Paving thickness detecting system and equalizing beam system including same |
| CN105625145A (en) * | 2016-03-22 | 2016-06-01 | 西安依恩驰网络技术有限公司 | Suspended spreading machine leveling device and leveling method thereof |
| EP3739122B1 (en) | 2019-05-14 | 2021-04-28 | Joseph Vögele AG | Road finisher and method for determining a thickness of a layer of an established installation layer |
| US11560675B2 (en) | 2019-05-14 | 2023-01-24 | Joseph Voegele Ag | Road finisher and method for determining the layer thickness of a paving layer produced |
| CN111455781A (en) * | 2020-04-25 | 2020-07-28 | 江苏奥新科技有限公司 | Multi-beam ultrasonic leveling control system for pavement machinery, control method thereof and application of control system |
| CN113756158A (en) * | 2020-10-09 | 2021-12-07 | 张学枝 | Novel ultrasonic sliding shoe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU AOXIN SCIENCE + TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: WU JUN Effective date: 20110520 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 225800 BAOYING AVENUE, NEW AREA, ECONOMIC DEVELOPMENT ZONE, BAOYING COUNTY,JIANGSU PROVINCE TO: 225000 ECONOMIC DEVELOPMENT NEW ZONE, BAOYING COUNTY, YANGZHOU CITY, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110520 Address after: 225000 economic development zone, Baoying County, Jiangsu, Yangzhou Patentee after: Jiangsu Aoxin Science & Technology Co., Ltd. Address before: 225800 Baoying Road, New Development Zone, Baoying County, Jiangsu Province Patentee before: Wu Jun |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150316 Granted publication date: 20061004 |