CN102944612A - Electromagnetic-driven frequency conversion string floor cavity detector - Google Patents
Electromagnetic-driven frequency conversion string floor cavity detector Download PDFInfo
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- CN102944612A CN102944612A CN2012104166543A CN201210416654A CN102944612A CN 102944612 A CN102944612 A CN 102944612A CN 2012104166543 A CN2012104166543 A CN 2012104166543A CN 201210416654 A CN201210416654 A CN 201210416654A CN 102944612 A CN102944612 A CN 102944612A
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Abstract
The invention relates to an electromagnetic-driven frequency conversion string floor cavity detector, which comprises a support system, a slide block system, an electrical current generation system, a string drive system and a suction disc system, and is characterized in that the detector is fastened on floor tile through the suction disc system, the electrical current generation system provides frequency conversion electrical current for the string drive system when a slide block in the slide block system moves, strings in the string drive system vibrate to send a sound wave with frequency variation, a cavity between the tile and the ground or the tile and the wall form a resonance box, volume can be substantially increased due to a resonance effect so as to hear high sound, such that the cavity in the middle of the floor or the wall can be detected, and a cavity value can be read from a scale line corresponding to a frequency modulation wheel, and further can be read from an indicator. With detection of the cavity between the tile and the ground or the tile and the wall by using the method, simpleness and efficiency are provided, a construction side and a head of a household easily reach a consensus so as to easily achieve timely rectification and eliminate cavity hidden danger. In addition, the detector provides basis for institution of home decoration paving tile quality standards by the relevant department.
Description
Technical field
The present invention relates to a kind of family expenses finishing detecting instrument, be specifically related to cavity, a kind of Electromagnetic Drive frequency conversion string floor detector.
Background technology
The ground paving ceramic tile, the wall tiling, finishing has become fashion, finishing has changed people's life, finishing has beautified living environment, give people's Beautiful treat, but have many problems in the finishing implementation process, for the material saving, often packing material is unreal between ground and ceramic tile during such as tiling, stay many empty hidden danger, owing to lacking examination criteria and cheap apparatus, detect empty hidden danger very difficult, so that the householder finds it hard to tell about one's suffering, construction party is but felt reassured and emboldened on account of the support, be further intensified, its harm is: made many rubbish engineerings on the one hand, caused the social resources waste, aggravated on the other hand interpersonal contradiction, affect social harmonious development, so design this detector.
Summary of the invention
The objective of the invention is for above-mentioned deficiency, cavity, a kind of Electromagnetic Drive frequency conversion string floor detector is provided.
Solution of the present invention realizes by following technological means: cavity, a kind of Electromagnetic Drive frequency conversion string floor detector, comprise support system, slip bocks system, electrical current generation system, the string drive system, sucker system, it is characterized in that: detector is fixed tightly on the floor tile by sucker system, when slip bocks system moves, electrical current generation system provides the frequency conversion electric current to the string drive system, string vibration in the string drive system, send the sound wave of frequency change, between ceramic tile and ground or the cavity between ceramic tile and body of wall forms resonance box, utilize resonant interaction, detect between ceramic tile and ground or the cavity between ceramic tile and body of wall.
Described support system is comprised of shell, support, upper fixed bar, lower fixed bar, connecting band, screw, triangular prism, scale mark, fixed bar used by support and lower fixed bar is fixed on the shell, connecting band one end is fixed on the shell, and the other end is fixed with triangular prism, and there is screw at the connecting band middle part.
Described slip bocks system is comprised of slide block, resistor stripe, upper frequency modulation electrode, lower frequency modulation electrode, and slide block can slide at resistor stripe, and the resistor stripe upper end links to each other with upper frequency modulation electrode, and the resistor stripe lower end links to each other with lower frequency modulation electrode.
Described electrical current generation system has the frequency control port, comm port, feedback port, output port, current feedback circuit forms, the frequency control port links to each other with lower frequency modulation electrode, comm port links to each other with common electrode, common electrode links to each other with upper frequency modulation electrode, common electrode links to each other with upper drive electrode, feedback port links to each other with feedback transducer, output port links to each other with lower drive electrode, current feedback circuit produces the electric current of frequency change, its frequency is by frequency control port and feedback port control, the output current frequency of output port changes, and output port output current size is controlled by feedback port.
Described string drive system is comprised of FM Wheel, string, upper drive electrode, lower drive electrode, magnet, indicator, FM Wheel is between string and shell, the string upper end links to each other with upper drive electrode, the string lower end is fixed on the screw, string is in the magnetic field of magnet, one end of indicator links to each other with lower drive electrode, and the other end of indicator is connected on the screw.
Described sucker system is comprised of cam, pin, bar, dish cover, diaphragm, cam is connected on the shell, cam hole is arranged on the cam, one end of bar has the other end of bar hole, bar to link to each other with diaphragm, the pin that is inserted in cam hole and the bar hole couples together cam and bar, on the dish cover cover hole is arranged, and pulls button on the dish cover, rotation case, bar band dynamic diaphragm be mobile and generation deformation in the dish cover.
The driving of described string can be continuous, also can be interrupted.
Scale mark on the described shell is by cavity size mark.
Described slide block and FM Wheel link.
Described slide block slides at resistor stripe manual slip and electronic small slip dual mode, electronic small slip is controlled by feedback port, utilize the frequency of the natural frequency of string, the driving frequency of drive current, empty sympathetic response to equate, accurately measure the frequency of empty sympathetic response, be converted into empty numerical value and demonstration with indicator.
Embodiment: the sucker diaphragm is attached on the ceramic tile, rotate detector vertical with sucker, sucker just tightly is adsorbed on the ceramic tile, the starting current generation systems, string vibration in the string drive system, if between ceramic tile and ground or between ceramic tile and body of wall without the cavity, then can't hear the sound or the sound is very little, if between ceramic tile and ground or between ceramic tile and body of wall the cavity is arranged, can hear the larger sound, thereby in the middle of detecting floor or wall the cavity be arranged, slide block in the moving slider system, make the sound maximum, can read empty numerical value on the scale mark from the shell, also can read empty numerical value from indicator.
This method detects between ceramic tile and ground or the cavity between ceramic tile and body of wall, and simple, efficient, householder easily reaches common understanding with construction party, is convenient to timely rectification, eliminates empty hidden danger, and this detector provides foundation for relevant unit's formulation house ornamentation flooring brick quality standard.
Its principle is, very faint of the sound that string vibration is sent, often ear is pressed close to just and can be heard, but by sucker, triangular prism string is pressed on the ceramic tile, if between ceramic tile and ground or between ceramic tile and body of wall without the cavity, string and building body can not resonate, so sound is still very weak, if between ceramic tile and ground or between ceramic tile and body of wall the cavity is arranged, there is resonant interaction in this cavity, significantly increased volume, so can hear the larger sound.Slide block in the slip bocks system moves, changed the natural frequency of string, power frequency also changes synchronously in the electrical current generation system simultaneously, thereby the realization frequency conversion function, electronic small slip is controlled by feedback port, utilizes the frequency of the natural frequency of string, the driving frequency of drive current, empty sympathetic response to equate, accurately measure the frequency of empty sympathetic response, the frequency of sympathetic response sound wave is measured in the sympathetic response of certain empty big or small corresponding certain frequency sound wave, just knows empty numerical value.
Although the above is described the preferred embodiments of the present invention by reference to the accompanying drawings; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away from the scope situation that aim of the present invention and claim protect, can also make the concrete conversion of a lot of forms, these all belong within protection scope of the present invention.
Description of drawings
Fig. 1 is elevation cross-sectional view of the present invention;
Fig. 2 is sucker left view of the present invention.
Wherein: 1-support system, 2-slip bocks system, 3-electrical current generation system, 4-string drive system, 5-sucker system, 11-shell, 12-support, 1301-upper fixed bar, 1302-lower fixed bar, 14-connecting band, 15-screw, 16-triangular prism, 17-scale mark, 21-slide block, 22-resistor stripe, 2301-upper frequency modulation electrode, 2302-lower frequency modulation electrode, 31-frequency control port, 32-comm port, 33-feedback port, 3301-feedback transducer, 34-output port, 35-current feedback circuit, 41-FM Wheel, 42-string, 4301-upper drive electrode, 4302-lower drive electrode, 44-magnet, 45-indicator, 51-cam, 5101-cam hole, 52-pin, 53-bar, 5301-bar hole, 54-dish cover, 5401-cover hole, 5402-pull button, 55-diaphragm.
Embodiment
The present invention is described in further detail below in conjunction with description of drawings and embodiment:
As shown in the figure, cavity, a kind of Electromagnetic Drive frequency conversion string floor detector, comprise support system 1, slip bocks system 2, electrical current generation system 3, string drive system 4, sucker system 5, it is characterized in that: detector is fixed tightly on the floor tile by sucker system 5, when slip bocks system 2 moves, electrical current generation system 3 provides the frequency conversion electric current for string drive system 4, string 42 vibrations in the string drive system 4, send the sound wave of frequency change, between ceramic tile and ground or the cavity between ceramic tile and body of wall forms resonance box, utilize resonant interaction, detect between ceramic tile and ground or the cavity between ceramic tile and body of wall.
Described support system 1 is comprised of shell 11, support 12, upper fixed bar 1301, lower fixed bar 1302, connecting band 14, screw 15, triangular prism 16, scale mark 17, fixed bar 1301 used by support 12 and lower fixed bar 1302 is fixed on the shell 11, connecting band 14 1 ends are fixed on the shell 11, the other end is fixed with triangular prism 16, and there is screw 15 at connecting band 14 middle parts.
Described slip bocks system 2 is comprised of slide block 21, resistor stripe 22, upper frequency modulation electrode 2301, lower frequency modulation electrode 2302, slide block 21 can slide at resistor stripe 22, resistor stripe 22 upper ends link to each other with upper frequency modulation electrode 2301, and resistor stripe 22 lower ends link to each other with lower frequency modulation electrode 2302.
Described electrical current generation system 3 has frequency control port 31, comm port 32, feedback port 33, output port 34, current feedback circuit 35 forms, frequency control port 31 links to each other with lower frequency modulation electrode 2302, comm port 32 links to each other with common electrode 3201, common electrode 3201 links to each other with upper frequency modulation electrode 2301, common electrode 3201 links to each other with upper drive electrode 4301, feedback port 33 links to each other with feedback transducer 3301, output port 34 links to each other with lower drive electrode 4302, current feedback circuit 35 produces the electric current of frequency change, its frequency is by frequency control port 31 and feedback port 33 controls, the output current frequency of output port 34 changes, and output port 34 output current sizes are subjected to feedback port 33 controls.
Described string drive system 4 is comprised of FM Wheel 41, string 42, upper drive electrode 4301, lower drive electrode 4302, magnet 44, indicator 45, FM Wheel 41 is on 11 on string 42 and shell, string 42 upper ends link to each other with upper drive electrode 4301, string 42 lower ends are fixed on the screw 15, string 42 is in the magnetic field of magnet 44, one end of indicator 45 links to each other with lower drive electrode 4302, and the other end of indicator 45 is connected on the screw 15.
Described sucker system 5 is comprised of cam 51, pin 52, bar 53, dish cover 54, diaphragm 55, cam 51 is connected on the shell 11, cam hole 5101 is arranged on the cam 51, one end of bar 53 has the other end of bar hole 5301, bar 53 to link to each other with diaphragm 55, the pin 52 that is inserted in cam hole 5101 and the bar hole 5301 couples together cam 51 and bar 53, and cover hole 5401 is arranged on the dish cover 54, pulls button 5402 on the dish cover 54, rotation case 11, bar 53 band dynamic diaphragms 55 are in 54 li movements of dish cover and deformation occurs.
The driving of described string 42 can be continuous, also can be interrupted.
Described slide block 21 and FM Wheel 41 link.
Described slide block 21 slides at resistor stripe 22 manual slip and electronic small slip dual mode, electronic small slip is subjected to feedback port 33 controls, utilize the frequency of the natural frequency of string 42, the driving frequency of drive current, empty sympathetic response to equate, accurately measure the frequency of empty sympathetic response, be converted into empty numerical value and demonstration with indicator 45.
Embodiment: sucker 5 diaphragms 55 are attached on the ceramic tile, rotate detector vertical with sucker 5, sucker 5 just tightly is adsorbed on the ceramic tile, starting current generation systems 3, string 42 vibrations in the string drive system 4, if between ceramic tile and ground or between ceramic tile and body of wall without the cavity, then can't hear the sound or the sound is very little, if between ceramic tile and ground or between ceramic tile and body of wall the cavity is arranged, can hear the larger sound, thereby in the middle of detecting floor or wall the cavity be arranged, slide block 21 in the moving slider system 2, make the sound maximum, can read empty numerical value on the scale mark 17 from the shell 11, also can read empty numerical value from indicator 45.
Its principle is, string 42 vibrations, be pressed on the ceramic tile by sucker 5, triangular prism 16, if without the cavity, string 42 can not resonate with the building body, so sound is very weak between ceramic tile and ground or between ceramic tile and body of wall, if between ceramic tile and ground or between ceramic tile and body of wall the cavity is arranged, there is resonant interaction in this cavity, has significantly increased volume, so can hear the larger sound.Slide block 21 in the slip bocks system 2 moves, and has changed the natural frequency of string 42, and power frequency also changes synchronously in the electrical current generation system 3 simultaneously, thereby realizes frequency conversion function.Electronic small slip is subjected to feedback port 33 controls, utilize the frequency of the natural frequency of string 42, the driving frequency of drive current, empty sympathetic response to equate, accurately measure the frequency of empty sympathetic response, the sympathetic response of certain empty big or small corresponding certain frequency sound wave, measure the frequency of sympathetic response sound wave, just know empty numerical value.
Claims (10)
1. cavity, Electromagnetic Drive frequency conversion string floor detector, comprise support system (1), slip bocks system (2), electrical current generation system (3), string drive system (4), sucker system (5), it is characterized in that: detector is fixed tightly on the floor tile by sucker system (5), when slip bocks system (2) is mobile, electrical current generation system (3) provides the frequency conversion electric current for string drive system (4), string (42) vibration in the string drive system (4), send the sound wave of frequency change, between ceramic tile and ground or the cavity between ceramic tile and body of wall forms resonance box, utilize resonant interaction, detect between ceramic tile and ground or the cavity between ceramic tile and body of wall.
2. cavity, a kind of Electromagnetic Drive frequency conversion string according to claim 1 floor detector, it is characterized in that: described support system (1) has shell (11), support (12), upper fixed bar (1301), lower fixed bar (1302), connecting band (14), screw (15), triangular prism (16), scale mark (17) forms, fixed bar (1301) used by support (12) and lower fixed bar (1302) is fixed on the shell (11), connecting band (14) one ends are fixed on the shell (11), the other end is fixed with triangular prism (16), and there is screw (15) at connecting band (14) middle part.
3. cavity, a kind of Electromagnetic Drive frequency conversion string according to claim 1 floor detector, it is characterized in that: described slip bocks system (2) has slide block (21), resistor stripe (22), upper frequency modulation electrode (2301), lower frequency modulation electrode (2302) to form, slide block (21) can slide at resistor stripe (22), resistor stripe (22) upper end links to each other with upper frequency modulation electrode (2301), and resistor stripe (22) lower end links to each other with lower frequency modulation electrode (2302).
4. cavity, a kind of Electromagnetic Drive frequency conversion string according to claim 1 floor detector, it is characterized in that: described electrical current generation system (3) has frequency control port (31), comm port (32), feedback port (33), output port (34), current feedback circuit (35) forms, frequency control port (31) links to each other with lower frequency modulation electrode (2302), comm port (32) links to each other with common electrode (3201), common electrode (3201) links to each other with upper frequency modulation electrode (2301), common electrode (3201) links to each other with upper drive electrode (4301), feedback port (33) links to each other with feedback transducer (3301), output port (34) links to each other with lower drive electrode (4302), current feedback circuit (35) produces the electric current of frequency change, its frequency is by frequency control port (31) and feedback port (33) control, the output current frequency of output port (34) changes, and output port (34) output current size is subjected to feedback port (33) control.
5. cavity, a kind of Electromagnetic Drive frequency conversion string according to claim 1 floor detector, it is characterized in that: described string drive system (4) has FM Wheel (41), string (42), upper drive electrode (4301), lower drive electrode (4302), magnet (44), indicator (45) forms, FM Wheel (41) is between string (42) and shell (11), string (42) upper end links to each other with upper drive electrode (4301), string (42) lower end is fixed on the screw (15), string (42) is in the magnetic field of magnet (44), one end of indicator (45) links to each other with lower drive electrode (4302), and the other end of indicator (45) is connected on the screw (15).
6. cavity, a kind of Electromagnetic Drive frequency conversion string according to claim 1 floor detector, it is characterized in that: described sucker system (5) has cam (51), pin (52), bar (53), dish cover (54), diaphragm (55) forms, cam (51) is connected on the shell (11), cam hole (5101) is arranged on the cam (51), one end of bar (53) has bar hole (5301), the other end of bar (53) links to each other with diaphragm (55), the pin (52) that is inserted in cam hole (5101) and bar hole (5301) couples together cam (51) and bar (53), on the dish cover (54) cover hole (5401) is arranged, pull button (5402) on the dish cover (54), rotation case (11), bar (53) band dynamic diaphragm (55) is in the inner mobile and generation deformation of dish cover (54).
7. cavity, a kind of Electromagnetic Drive frequency conversion string according to claim 1 floor detector, it is characterized in that: the driving of described string (42) can be continuous, also can be interrupted.
8. cavity, a kind of Electromagnetic Drive frequency conversion string according to claim 1 floor detector, it is characterized in that: the scale mark (17) on the described shell (11) is by cavity size mark.
9. cavity, a kind of Electromagnetic Drive frequency conversion string according to claim 1 floor detector, it is characterized in that: described slide block (21) and FM Wheel (41) link.
10. cavity, a kind of Electromagnetic Drive frequency conversion string according to claim 1 floor detector, it is characterized in that: described slide block (21) slides at resistor stripe (22) manual slip and electronic small slip dual mode, electronic small slip is subjected to feedback port (33) control, utilize the frequency of the natural frequency of string (42), the driving frequency of drive current, empty sympathetic response to equate, accurately measure the frequency of empty sympathetic response, be converted into empty numerical value and demonstration with indicator (45).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012104166543A CN102944612A (en) | 2012-10-28 | 2012-10-28 | Electromagnetic-driven frequency conversion string floor cavity detector |
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| CN2012104166543A CN102944612A (en) | 2012-10-28 | 2012-10-28 | Electromagnetic-driven frequency conversion string floor cavity detector |
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| CN2012104166543A Pending CN102944612A (en) | 2012-10-28 | 2012-10-28 | Electromagnetic-driven frequency conversion string floor cavity detector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175899A (en) * | 2013-03-09 | 2013-06-26 | 颜丙臣 | Tile floor cavity detector |
| CN113700328A (en) * | 2021-08-05 | 2021-11-26 | 陕西龙旭建筑工程有限公司 | Hollowing detection and repair device for ceramic tiles |
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| CN101051040A (en) * | 2007-04-26 | 2007-10-10 | 华南理工大学 | Detecting method and instrument for cement road surface plate bottom empty by sound vibration method |
| JP2010085361A (en) * | 2008-10-02 | 2010-04-15 | Yuzuru Ashida | Wall surface percussive instrument |
| JP2011149752A (en) * | 2010-01-20 | 2011-08-04 | Railway Technical Research Institute | Method of diagnosing cavity below roadbed and method of repairing roadbed |
| CN203083974U (en) * | 2012-10-28 | 2013-07-24 | 颜丙臣 | Electromagnetic driving string frequency conversion floor cavity detection instrument |
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2012
- 2012-10-28 CN CN2012104166543A patent/CN102944612A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1164305A (en) * | 1997-08-27 | 1999-03-05 | Taisei Corp | Vibration exciting and receiving device for inspecting back of concrete wall |
| CN1456884A (en) * | 2002-05-09 | 2003-11-19 | 社团法人日本建设机械化协会 | Compactness diagnosing method and apparatus for concrete slope surface |
| US20050193818A1 (en) * | 2004-02-03 | 2005-09-08 | University Of Denver | Method and Apparatus for Acoustic Sensing of Structures |
| CN2898813Y (en) * | 2006-01-23 | 2007-05-09 | 殷超 | Vibration exciter of universal steel-string sensor |
| CN101051040A (en) * | 2007-04-26 | 2007-10-10 | 华南理工大学 | Detecting method and instrument for cement road surface plate bottom empty by sound vibration method |
| JP2010085361A (en) * | 2008-10-02 | 2010-04-15 | Yuzuru Ashida | Wall surface percussive instrument |
| JP2011149752A (en) * | 2010-01-20 | 2011-08-04 | Railway Technical Research Institute | Method of diagnosing cavity below roadbed and method of repairing roadbed |
| CN203083974U (en) * | 2012-10-28 | 2013-07-24 | 颜丙臣 | Electromagnetic driving string frequency conversion floor cavity detection instrument |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175899A (en) * | 2013-03-09 | 2013-06-26 | 颜丙臣 | Tile floor cavity detector |
| CN113700328A (en) * | 2021-08-05 | 2021-11-26 | 陕西龙旭建筑工程有限公司 | Hollowing detection and repair device for ceramic tiles |
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Application publication date: 20130227 |