CN201945308U - Level bar with promoting function - Google Patents
Level bar with promoting function Download PDFInfo
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- CN201945308U CN201945308U CN2011200350416U CN201120035041U CN201945308U CN 201945308 U CN201945308 U CN 201945308U CN 2011200350416 U CN2011200350416 U CN 2011200350416U CN 201120035041 U CN201120035041 U CN 201120035041U CN 201945308 U CN201945308 U CN 201945308U
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- surveyor
- staff
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Abstract
A level bar with a promoting function comprises a bar body which is provided with at least a plate level device. At least a hollow portion is arranged in the bar body. The hollow portion is provided with an inductor, a controller and a sounding device. The controller is respectively connected with the inductor and the sounding device. The inductor includes an independent sensor for detecting an angle formed by the bar body and the horizon. The independent sensor is not contacted with the plate level device. The controller receives the information of the angle formed by the bar body and the horizon transmitted by the independent sensor. If the angle information is within the preset range, the sounding device is triggered to generate sounds. The level bar with the promoting function not only can judge weather the angle formed by a pre-detecting surface and the horizon is the preset angle or not according to the fact weather the traditional level is placed in the middle or not, but also provides another set of independent judging tools which are the independent sensor and the controller. The independent sensor is arranged for detecting the angle formed by the bar body and the horizon, and then the controller is applied to judge weather the angle is within the preset range or not. The level bar is convenient to use and has high accuracy.
Description
Technical field
The utility model relates to a kind of measurer, particularly a kind of surveyor's staff that has prompt facility.
Background technology
Surveyor's staff is mainly used in the flatness of the various lathes of check and other equipment guide rails, uses the instrument of measurement level when the installation of equipment, check, measurement, line, Industrial Engineering construction.And can check tiny inclination angle.Existing all kinds of surveyor's staff all is that the application of air bubble is lighter than liquid, and in the liquid pipe characteristic of come-up drift is measured the levelness of object.This class surveyor's staff functions of use is single, and when measuring the levelness of object, bubble indication is not obvious, and particularly not enough or have in the environment of extraneous light under disturbing in comparatively complicated workplace and illuminance, the reading of more ugly clear water bubble position also can produce the bigger collimation error.
At application number is to disclose a kind of surveyor's staff in 01230594.4, and it relates generally to a kind of surveyor's staff that can use in dark surrounds.The surveyor's staff of production and sales can only use in bright light environments on the market, and this patent is by light emitting diode being installed in the level vial position, being made it to link to each other with surveyor's staff built-in power and switch with lead, opening or close by switch control light emitting diode.Adopt such scheme, in dark surrounds, can normally use by opening led lighting.But above-mentioned surveyor's staff can not promote the precision of detection.
At application number is also to disclose a kind of surveyor's staff in 00217890.7, include chi body, bubble seat, end cap, be respectively arranged with 180 ° of bubbles, 45 ° of bubbles, 90 ° of bubbles on the chi body, the chi body is provided with bubble near end position, end cap on its bubble and the fixed ruler end of body fuses by working of plastics, and with two self-tapping screws connections up and down, go here and there on the self-tapping screw and withstand on spring between bubble seat and the end cap, the screw hole on the end cap clogs with stopper.This surveyor's staff can promote the precision of detection in theory, still, still has following problem:
Each user checks that whether during level, there is error in surveyor's staff, and this error directly influences the precision that surveyor's staff is measured.In some occasions, as need carry out adjustment to surveyor's staff when dispatching from the factory, much be artificial hand wage adjustment school at present, has inconvenience.
At application number is to disclose a kind of multifunction electronic surveyor's staff in 89217556.7, be provided with the scale ruler in the lower end in this blade front, the blade bottom surface is provided with permanent magnet, at the other light source that is provided with of each air level, in surveyor's staff, be provided with the standalone sensor accurate circuit of newspaper automatically, when the multifunction electronic surveyor's staff was positioned at equilibrium state, bubble, luminotron, three kinds of signals of sound can excite simultaneously.In this surveyor's staff, sensor is to be used for the position of perception bubble, and then finishes the effect of stimulated luminescence pipe, voice signal.When being positioned at air level middle such as, bubble, two leads in the lead formula standalone sensor will be disconnected by bubble, and it is accurate to finish newspaper with this.Though above-mentioned surveyor's staff can provide three kinds of mode of excitation of position, luminotron, sound of bubble, but its principle is just judged this a kind of mode of centre whether bubble is positioned at air level and is carried out the triggering of luminotron, sound etc., that is to say, this mode in centre whether bubble is positioned at air level exists error big, the technical matters that measuring accuracy is not high.The still unresolved above-mentioned problem of above-mentioned patent.
The utility model content
The purpose of this utility model is to provide a kind of surveyor's staff that has prompt facility, with reading that solves the bubble position that is difficult to see clearly surveyor's staff in the prior art and the technical matters that produces the big collimation error.
A kind of surveyor's staff that has prompt facility, comprise blade, and at least one air level device is set on blade, one induction installation, controller and sound-producing device are set on the blade, controller connects induction installation and sound-producing device respectively, and induction installation comprises that one is used to detect the standalone sensor of blade and angle that level is, and described standalone sensor and air level device are independently of one another;
Controller receives blade and the angle information that level is that standalone sensor sends, if described angle information drops in the preset range, triggers the sound-producing device sounding.
Preferably, a calibration apparatus is set on the described blade, described calibration apparatus is connected with standalone sensor.
Preferably, described standalone sensor is an obliquity sensor.
Preferably, following one or more components are set on blade: 45 ° of trigger elements, 90 ° of trigger elements, 180 ° of trigger elements, described 45 ° of trigger element/90 ° trigger elements/180 ° of trigger elements connect controller.
Preferably, it is characterized in that described 45 ° of trigger element/90 ° trigger elements/180 ° of trigger elements are switch.
Preferably, described air level device comprises horizontal levelling bubble, 45 ° of air levels and 90 ° of air levels.
Preferably, the viewpoint definition unit is set on blade, described viewpoint definition unit connects controller.
Preferably, described viewpoint definition unit comprises the input block of importing angle for the user, and described input block comprises following one or more combination at least: knob, keyboard, the input screen of angle is carved with on the next door.
Preferably, the precision adjustment unit is set also on blade, described precision adjustment unit connects controller, by the accuracy rating of described controller control standalone sensor.
Preferably, the following one or more combination of described precision adjustment unit: knob, keyboard, the input screen of accuracy rating, the switch combination of some precision gears are carved with in the next door.
Preferably, the switch element that a control induction installation opens or closes also is set on the described blade.
A kind of surveyor's staff that has prompt facility, comprise blade, one induction installation, controller and sound-producing device are set on the blade, controller connects induction installation and sound-producing device respectively, and induction installation comprises that one is used to detect the standalone sensor of blade and angle that level is, controller receives blade and the angle information that level is that standalone sensor sends, if described angle information drops in the preset range, triggers the sound-producing device sounding.
Preferably, a calibration apparatus is set on the described blade, described calibration apparatus is connected with standalone sensor.
Preferably, described standalone sensor is an obliquity sensor.
Preferably, the viewpoint definition unit is set on blade, described viewpoint definition unit connects controller.
Preferably, the precision adjustment unit is set also on blade, described precision adjustment unit connects controller, by the accuracy rating of described controller control standalone sensor.
A kind of surveyor's staff that has prompt facility, comprise blade, one induction installation is set on the blade, controller and sound-producing device, controller connects induction installation and sound-producing device respectively, and induction installation comprises that one is used to detect the standalone sensor of blade and angle that level is, the viewpoint definition unit is set on blade, described viewpoint definition unit connects controller, controller is provided with preset range according to the angle information that the viewpoint definition unit sends, and receive blade and angle information that level is that standalone sensor sends, if described angle information drops in the preset range, trigger the sound-producing device sounding.
Preferably, at least one air level device is set on blade, described standalone sensor and air level device are independently of one another.
Preferably, described viewpoint definition unit comprises the input block of importing angle for the user, and described input block comprises following one or more combination at least: knob, keyboard, the input screen of angle is carved with on the next door.
Preferably, the angular range of viewpoint definition unit setting is in 90 °.
A kind of surveyor's staff that has prompt facility, comprise blade, one induction installation is set on the blade, controller and sound-producing device, controller connects induction installation and sound-producing device respectively, and induction installation comprises that one is used to detect the standalone sensor of blade and angle that level is, the precision adjustment unit is set on blade, described precision adjustment unit connects controller, accuracy rating by described controller control standalone sensor, controller receives blade and the angle information that level is that standalone sensor sends, if described angle information drops in the preset range, trigger the sound-producing device sounding.
Preferably, at least one air level device is set on blade, described standalone sensor and air level device are independently of one another.
Preferably, the precision range of control of described precision adjustment unit is between ± 0.5 ° to ± 5 °.
Preferably, the precision range of control of described precision adjustment unit set shelves be ± 0.5, ± 1, ± 2, ± 3, ± 4, ± 5 one of them.
Compared with prior art, there is following technique effect in the utility model:
At first, the utility model not only can judge between two parties whether look in advance between face and the level is predetermined angle by traditional air level, and, the utility model provides an other cover independently to judge instrument, promptly, one standalone sensor is set detects blade and angle that level is, the back judges whether to be preset range by controller, if then can trigger the sound-producing device sounding, can also pass through an other judgment standard independent and the air level device, and, can overcome the calibration of air level device and exist under the situation of error by the auditory tone cues user, an other judgement instrument can also be arranged by the auditory tone cues user, easy to use and precision is high.That is to say that the utility model can only be provided with a standalone sensor and detect blade and angle that level is, by sound prompting user.
Secondly, a calibration apparatus is set on the blade of the present utility model, can carries out reference calibration work, improve adjustment efficient.
Once more, can provide three kinds of angles at least on the blade of the present utility model: can select for the user for 45 °, 90 °, 180 °, when the user chooses 45 ° of trigger elements, controller receives angle that standalone sensor sends [(45-d) °, (45+d) °] (d is that controller can receive ground precision error), controller control sound-producing device sounding uses more flexible.
Also have, the utility model can also provide the viewpoint definition unit that angle can any adjustment, can measure any angle that the user need measure, and has expanded the usable range of surveyor's staff.
At last, the precision adjustment unit that the utility model can also provide sensor accuracy to adjust arbitrarily can be adjusted the precision of standalone sensor, has expanded the usable range of surveyor's staff.
Description of drawings
Fig. 1 is a kind of Facad structure synoptic diagram that has the surveyor's staff of prompt facility of the utility model;
Fig. 2 is a kind of reverse side structural representation that has the surveyor's staff of prompt facility of the utility model;
Fig. 3 is the utility model surveyor's staff interior section structure connection layout.
Fig. 4 has the Facad structure synoptic diagram of the surveyor's staff of prompt facility for the utility model another kind.
Embodiment
Below in conjunction with accompanying drawing, the utility model is done further detailed narration.
Embodiment one
See also Fig. 1, Fig. 2, it is a kind of a kind of exemplifying embodiment figure that has the surveyor's staff of prompt facility of the utility model.A kind of surveyor's staff that has prompt facility comprises blade 1, and at least one air level device is set on blade 1.In this example, the air level device comprises 121,45 ° of air levels 122 of horizontal levelling bubble and 90 ° of air levels 123.When needs are measured these three kinds of angles, only need watch corresponding air level whether placed in the middle, consider the subjectivity of judging that existence is bigger certainly, can also listen sound again.
In this example, at least one hollow bulb is set in the blade 1, and an induction installation 21, controller 22 and sound-producing device 23(are set on hollow bulb see also Fig. 3).Controller 22 connects induction installation 21 and sound-producing device 23 respectively.In the blade 1 can wholely be a hollow form, induction installation 21, controller 22 and sound-producing device 23 can directly place in it, certainly, also can be that some hollow bulbs are set in the blade 1, induction installation 21, controller 22 and sound-producing device 23 can be put at different hollow bulbs.Below only being for example, is not to be used for limiting this programme.
In this example, induction installation 21 comprises that at least one is used to detect the standalone sensor of blade and angle that level is, standalone sensor and the noncontact of air level device.
In this example, standalone sensor can adopt obliquity sensor.Be that obliquity sensor is used for measuring inclination angle variable quantity with respect to the horizontal plane.Theoretical foundation is exactly Newton second law, and according to the basic physical principle, an internal system, speed can't be measured, but can measure its acceleration.If initial velocity is known, just can goes out linear velocity, and then can calculate straight-line displacement by integral and calculating.So it is a kind of acceleration transducer of utilization principle of inertia in fact.Just side and vertical direction do not have the acceleration effect when obliquity sensor is static, act on the acceleration of gravity that has only above it so.Angle between gravity Z-axis and the acceleration transducer sensitive axis has been exactly the pitch angle.Obliquity sensor can be divided into " solid pendulum " formula, " liquid pendulum " formula, " gas pendulum " three kinds of obliquity sensors etc. through being usually used in the horizontal survey of system on principle of work, in this example, can adopt all kinds obliquity sensor to realize this programme.
Controller 22 receives blade and the angle information that level is that standalone sensor sends, if described angle information drops in the preset range, triggers the sound-producing device sounding.
Following one or more components are set on blade: 18,180 ° of trigger elements 19 of 17,90 ° of trigger elements of 45 ° of trigger elements, 18/180 ° of trigger element of 17/90 ° of trigger element of described 45 ° of trigger elements 19 connects controller 22.
18/180 ° of trigger element 19 of 17/90 ° of trigger element of 45 ° of trigger elements can be pushbutton switch.When the user presses corresponding button, controller 22 can receive corresponding signal, revise the corresponding angle Α that reaches in advance, and modification preset range, preset range is [(Α-d) °, (Α+d) °] (d is that controller can receive ground precision error), when receiving the angle that standalone sensor sends, drops in the preset range by controller 21, trigger sound-producing device 14 sounding.When the user triggers different pushbutton switches, can revise Α.
The viewpoint definition unit is set on blade 1, and described viewpoint definition unit connects controller 22.Described viewpoint definition unit comprises the input block of importing angle for the user, and described input block comprises following one or more combination at least: knob, keyboard, the input screen of angle is carved with on the next door.When controller 22 receives the angle [alpha] that the viewpoint definition unit sends, then it is kept in the controller 22.The angle beta that sends over when obliquity sensor, when satisfying | β-α | during＜=d, controller carries out sounding alarm by sound-producing device 14, and d is that controller can receive ground precision error.
Need to prove that angle [alpha] can be 45 °, 180 ° and 90 °, also can be arbitrarily angled.In this example, 18/180 ° of trigger element 19 of 17/90 ° of trigger element of 45 ° of trigger elements can only be set, also viewpoint definition unit 16 can only be set, certainly, viewpoint definition unit 16 and 18,180 ° of trigger elements of 17,90 ° of trigger elements of 45 ° of trigger elements can be set simultaneously also.
Sound-producing device 14 can be a hummer, also can be other sound-producing device.
Precision adjustment unit 15 also is set on blade 1, and precision adjustment unit 15 connects controller 22, by the accuracy rating of controller 22 control standalone sensors.Controller 22 receives the precision that precision adjustment unit 15 sends, and can revise corresponding d.The following one or more combination of precision adjustment unit: knob, keyboard, the input screen of accuracy rating, the button combination of some precision gears are carved with in the next door.This precision adjusting device 15 also can standalone sensor 2 links to each other, and some precision gears are set on this precision adjusting device 15, as ± 0.5 grade, ± 1 grade etc.With 45 ° of air levels 122 is example, when precision adjusting device 15 get to ± 1 grade the time, when promptly 45 ° of air levels 122 reached 44 °-46 ° scope, sound-producing device 14 just sent the prompt tone of warning.
The switch element 16 that one control induction installation opens or closes also is set on the blade 1.Please refer to Fig. 1, report standard apparatus to comprise a power supply 11 automatically, power supply 11 gives sound-producing device 14 power supplies, and sound-producing device 14 connects a switch element 16, and with these switch element 16 closures, sound-producing device 14 is just switched on.
Gauge tap 16 connects, closed level control switch 19, and standalone sensor 2 work that are connected with horizontal levelling bubble 123, when angle was up to the standard, the sound of warning was sent in sound-producing device 14 changes, and the like, 45 ° of air levels and 90 ° of air levels also are like this.
In the present embodiment, a calibration apparatus 13 is set on the blade 1, this calibration apparatus 13 is connected with standalone sensor 2.After surveyor's staff has just dispatched from the factory or passed through maintenance, can carry out zero-in by 13 pairs of surveyor's staffs of this calibration apparatus.
In the present embodiment, the through hole 20 with the surveyor's staff suspension is convenient at least one end setting of blade 1.In the present embodiment, the two ends of blade 1 are provided with a through hole 20 respectively.
The utility model in use, opening power 11, whole automatic newspaper standard apparatus is started working.At first, select one of them gauge tap closure of 19,45 ° of gauge tap 17 of level control switch or 90 ° of gauge tap 18, corresponding standalone sensor 2 is started working, at this moment, select a gear by precision adjusting device 15, the detected angle signal of standalone sensor sends to controller, and controller is judged in preset range, just trigger sound-producing device 14, sound-producing device 14 just sends the sound of warning to show prompting.
Embodiment two
See also Fig. 4, a kind of surveyor's staff that has prompt facility comprises blade 21, and at least one air level device is set on blade 21, and in this example, the air level device comprises 221,45 ° of air levels 222 of horizontal levelling bubble and 90 ° of air levels 223.
At least one hollow bulb is set in the blade 21, and an induction installation is set on hollow bulb, controller and sound-producing device, controller connects induction installation and sound-producing device 24 respectively, and induction installation comprises that one is used to detect the standalone sensor of blade and angle that level is, described standalone sensor and the noncontact of air level device, viewpoint definition unit 27 is set on blade, described viewpoint definition unit 27 connects controller, controller is provided with preset range according to the angle information that viewpoint definition unit 27 sends, and receive blade and angle information that level is that standalone sensor sends, if described angle information drops in the preset range, trigger the sound-producing device sounding.
Described viewpoint definition unit 27 comprises the input block of importing angle for the user, and described input block comprises following one or more combination at least: knob, keyboard, the input screen of angle is carved with on the next door.
The angular range that viewpoint definition unit 27 is set is in 90 °.
Embodiment three
A kind of surveyor's staff that has prompt facility, comprise blade, and at least one air level device is set on blade, at least one hollow bulb is set in the blade, and an induction installation is set on hollow bulb, controller and sound-producing device, controller connects induction installation and sound-producing device respectively, and induction installation comprises that one is used to detect the standalone sensor of blade and angle that level is, described standalone sensor and the noncontact of air level device, the precision adjustment unit is set on blade, described precision adjustment unit connects controller, accuracy rating by described controller control standalone sensor, controller receives blade and the angle information that level is that standalone sensor sends, if described angle information drops in the preset range, triggers the sound-producing device sounding.The following one or more combination of precision adjustment unit: knob, keyboard, the input screen of accuracy rating, the switch combination of some precision gears are carved with in the next door.The precision range of control of described precision adjustment unit is between ± 0.5 ° to ± 5 °.The precision range of control of described precision adjustment unit set shelves be ± 0.5, ± 1, ± 2, ± 3, ± 4, ± 5 one of them.
The foregoing description two, embodiment three can only provide auditory tone cues, and the air level device promptly is not set.
Embodiment four
A kind of surveyor's staff that has prompt facility, comprise blade, one induction installation, controller and sound-producing device are set on the blade, controller connects induction installation and sound-producing device respectively, and induction installation comprises that one is used to detect the standalone sensor of blade and angle that level is, controller receives blade and the angle information that level is that standalone sensor sends, if described angle information drops in the preset range, triggers the sound-producing device sounding.
The same with example one, a calibration apparatus is set on the blade, described calibration apparatus is connected with standalone sensor.The viewpoint definition unit is set on blade, and described viewpoint definition unit connects controller.The precision adjustment unit also is set on blade, and described precision adjustment unit connects controller, by the accuracy rating of described controller control standalone sensor.
More than disclosed only be several specific embodiments of the application, but the application is not limited thereto, any those skilled in the art can think variation, all should drop in the application's the protection domain.
Claims (24)
1. surveyor's staff that has prompt facility, comprise blade, and at least one air level device is set on blade, it is characterized in that, one induction installation, controller and sound-producing device are set on the blade, controller connects induction installation and sound-producing device respectively, and induction installation comprises that one is used to detect the standalone sensor of blade and angle that level is, and described standalone sensor and air level device are independently of one another;
Controller receives blade and the angle information that level is that standalone sensor sends, if described angle information drops in the preset range, triggers the sound-producing device sounding.
2. the surveyor's staff that has prompt facility as claimed in claim 1 is characterized in that, a calibration apparatus is set on the described blade, and described calibration apparatus is connected with standalone sensor.
3. the surveyor's staff that has prompt facility as claimed in claim 1 is characterized in that, described standalone sensor is an obliquity sensor.
4. the surveyor's staff that has prompt facility as claimed in claim 1, it is characterized in that, following one or more components are set on blade: 45 ° of trigger elements, 90 ° of trigger elements, 180 ° of trigger elements, described 45 ° of trigger element/90 ° trigger elements/180 ° of trigger elements connect controller.
5. the surveyor's staff that has prompt facility as claimed in claim 4 is characterized in that, described 45 ° of trigger element/90 ° trigger elements/180 ° of trigger elements are switch.
6. the surveyor's staff that has prompt facility as claimed in claim 4 is characterized in that, described air level device comprises horizontal levelling bubble, 45 ° of air levels and 90 ° of air levels.
7. the surveyor's staff that has prompt facility as claimed in claim 1 is characterized in that, the viewpoint definition unit is set on blade, and described viewpoint definition unit connects controller.
8. the surveyor's staff that has prompt facility as claimed in claim 7, it is characterized in that, described viewpoint definition unit comprises the input block of importing angle for the user, and described input block comprises following one or more combination at least: knob, keyboard, the input screen of angle is carved with on the next door.
9. the surveyor's staff that has prompt facility as claimed in claim 1 is characterized in that, the precision adjustment unit also is set on blade, and described precision adjustment unit connects controller, by the accuracy rating of described controller control standalone sensor.
10. the surveyor's staff that has prompt facility as claimed in claim 9 is characterized in that, the following one or more combination of described precision adjustment unit: knob, keyboard, the input screen of accuracy rating, the switch combination of some precision gears are carved with in the next door.
11. the surveyor's staff that has prompt facility as claimed in claim 1 is characterized in that, the switch element that a control induction installation opens or closes also is set on the described blade.
12. surveyor's staff that has prompt facility, comprise blade, it is characterized in that, one induction installation, controller and sound-producing device are set on the blade, controller connects induction installation and sound-producing device respectively, and induction installation comprises that one is used to detect the standalone sensor of blade and angle that level is, blade and angle information that level is that controller reception standalone sensor sends, if described angle information drops in the preset range, trigger the sound-producing device sounding.
13. the surveyor's staff that has prompt facility as claimed in claim 12 is characterized in that, a calibration apparatus is set on the described blade, described calibration apparatus is connected with standalone sensor.
14. the surveyor's staff that has prompt facility as claimed in claim 12 is characterized in that, described standalone sensor is an obliquity sensor.
15. the surveyor's staff that has prompt facility as claimed in claim 12 is characterized in that, the viewpoint definition unit is set on blade, described viewpoint definition unit connects controller.
16. the surveyor's staff that has prompt facility as claimed in claim 12 is characterized in that, the precision adjustment unit also is set on blade, described precision adjustment unit connects controller, by the accuracy rating of described controller control standalone sensor.
17. surveyor's staff that has prompt facility, comprise blade, it is characterized in that, one induction installation is set on the blade, controller and sound-producing device, controller connects induction installation and sound-producing device respectively, and induction installation comprises that one is used to detect the standalone sensor of blade and angle that level is, the viewpoint definition unit is set on blade, described viewpoint definition unit connects controller, controller is provided with preset range according to the angle information that the viewpoint definition unit sends, and receive blade and angle information that level is that standalone sensor sends,, trigger the sound-producing device sounding if described angle information drops in the preset range.
18. the surveyor's staff that has prompt facility as claimed in claim 17 is characterized in that, at least one air level device is set on blade, described standalone sensor and air level device are independently of one another.
19. the surveyor's staff that has prompt facility as claimed in claim 17, it is characterized in that, described viewpoint definition unit comprises the input block of importing angle for the user, and described input block comprises following one or more combination at least: knob, keyboard, the input screen of angle is carved with on the next door.
20. the surveyor's staff that has prompt facility as claimed in claim 17 is characterized in that, the angular range that the viewpoint definition unit is set is in 90 °.
21. surveyor's staff that has prompt facility, comprise blade, it is characterized in that, one induction installation is set on the blade, controller and sound-producing device, controller connects induction installation and sound-producing device respectively, and induction installation comprises that one is used to detect the standalone sensor of blade and angle that level is, the precision adjustment unit is set on blade, described precision adjustment unit connects controller, accuracy rating by described controller control standalone sensor, controller receives blade and the angle information that level is that standalone sensor sends, if described angle information drops in the preset range, triggers the sound-producing device sounding.
22. surveyor's staff as claimed in claim 21 is characterized in that, at least one air level device is set on blade, described standalone sensor and air level device are independently of one another.
23. the surveyor's staff that has prompt facility as claimed in claim 21 is characterized in that, the precision range of control of described precision adjustment unit is between ± 0.5 ° to ± 5 °.
24. the surveyor's staff that has prompt facility as claimed in claim 21 is characterized in that, the precision range of control of described precision adjustment unit set shelves be ± 0.5, ± 1, ± 2, ± 3, ± 4, ± 5 one of them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200350416U CN201945308U (en) | 2011-02-09 | 2011-02-09 | Level bar with promoting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200350416U CN201945308U (en) | 2011-02-09 | 2011-02-09 | Level bar with promoting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201945308U true CN201945308U (en) | 2011-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200350416U Expired - Fee Related CN201945308U (en) | 2011-02-09 | 2011-02-09 | Level bar with promoting function |
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| Country | Link |
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| CN (1) | CN201945308U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012106977A1 (en) * | 2011-02-09 | 2012-08-16 | Wen Hao | Level with prompting functions |
| CN108592882A (en) * | 2018-07-11 | 2018-09-28 | 浙江东精工量具有限公司 | A kind of adjustable air level holder assembly |
-
2011
- 2011-02-09 CN CN2011200350416U patent/CN201945308U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012106977A1 (en) * | 2011-02-09 | 2012-08-16 | Wen Hao | Level with prompting functions |
| CN108592882A (en) * | 2018-07-11 | 2018-09-28 | 浙江东精工量具有限公司 | A kind of adjustable air level holder assembly |
| CN108592882B (en) * | 2018-07-11 | 2023-08-22 | 浙江东精工量具有限公司 | Adjustable water alignment bubble seat subassembly |
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Granted publication date: 20110824 Termination date: 20180209 |