CN111710114A - Adjustable current pulse noise detects alarm - Google Patents
Adjustable current pulse noise detects alarm Download PDFInfo
- Publication number
- CN111710114A CN111710114A CN202010593176.8A CN202010593176A CN111710114A CN 111710114 A CN111710114 A CN 111710114A CN 202010593176 A CN202010593176 A CN 202010593176A CN 111710114 A CN111710114 A CN 111710114A
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- detection
- adjusting
- tuning fork
- sleeve
- adjustable current
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/02—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by magnetic means, e.g. reluctance
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention discloses an adjustable current pulse noise detection alarm which comprises a detection box, wherein a plurality of detection cavities are symmetrically formed in the detection box, a sound vibration diaphragm is embedded on the outer side wall of each detection cavity, a tuning fork and a fixed rod are installed on the inner bottom wall of each detection cavity, and two unlike magnetic poles are symmetrically embedded in the tuning fork. According to the invention, the tuning fork drives the unlike magnetic pole to vibrate and the elastic lead to generate relative cutting motion to generate alternating current, so that the warning lamp is lightened and extinguished to flicker and the buzzer buzzes intermittently, the strength of warning is further increased, the attention is attracted more easily, the number of turns of the unit length of the elastic lead is changed by moving the adjusting sleeve, the detection limit value is changed, and the detection alarm is suitable for more occasions.
Description
Technical Field
The invention relates to the field of noise detection, in particular to an adjustable current pulse noise detection alarm.
Background
The noise limit of the environment is consistent with the environment in various occasions, such as libraries, classrooms and the like, the environment is low in noise, the construction site is high in noise, and the noise detection alarm needs to change the detection limit value according to different environments.
The existing noise detection alarm cannot freely adjust the limit value of the noise according to the environment, and only alarms by volume in the noise environment are difficult to attract the attention of people and are easy to ignore.
Disclosure of Invention
The invention aims to solve the defects that the detection limit value cannot be adjusted and the warning capability is insufficient in the prior art, and provides an adjustable current pulse noise detection alarm.
In order to achieve the purpose, the invention adopts the following technical scheme:
an adjustable current pulse noise detection alarm comprises a detection box, wherein a plurality of detection cavities are symmetrically formed in the detection box, a sound vibrating diaphragm is embedded on the outer side wall of each detection cavity, a tuning fork and a fixed rod are installed on the inner bottom wall of each detection cavity, two different magnetic poles are symmetrically embedded in the tuning fork, a fixed ring is installed at the upper end of the fixed rod, an insulating rod is fixedly inserted in the fixed ring, an elastic lead is wound on the insulating rod, an adjusting sleeve is slidably sleeved at one end, away from the fixed ring, of the insulating rod, two ends of the elastic lead are respectively connected with the adjusting sleeve and the fixed ring, the adjusting sleeve is slidably inserted on the inner side wall of the detection cavity, an adjusting shaft is rotatably embedded in the detection box, a shaft sleeve is rotatably sleeved at the lower end of the adjusting shaft, an adjusting disc is fixedly sleeved on the adjusting shaft, and a first thread groove is formed in the upper surface of, every the second thread groove has all been seted up to the lower bottom surface of adjusting collar, and second thread groove and first thread groove cooperation, inlay on the lateral wall of detection box and be equipped with warning light area and bee calling organ, and warning light area and bee calling organ parallel connection, the upper end of regulating spindle extends to the upper end of detecting the box and installs the control panel.
Preferably, the adjusting shaft, the adjusting disk, the shaft sleeve, the adjusting sleeve, the fixing rod and the fixing ring are all made of conductive metal materials;
the adjusting shaft, the adjusting disc, the shaft sleeve, the adjusting sleeve, the fixing rod and the fixing ring are connected through the elastic lead to form a passage, and then the adjusting shaft, the adjusting disc, the shaft sleeve, the adjusting sleeve, the fixing rod, the fixing ring, the elastic lead, the warning lamp strip and the buzzer form a parallel loop;
when large noise occurs, the vibration of the sound vibration film enables the air pressure in the detection cavity to change, the tuning fork vibrates under the change of the air pressure, the vibrating tuning fork continuously cuts magnetic field lines with the elastic lead through two different magnetic poles and generates current, the current enables the warning lamp strip to be lightened and the buzzer to give an alarm through the parallel loop, and the tuning fork vibrates back and forth to generate alternating current, so that the warning lamp strip is lightened and flickered and the buzzer buzzes intermittently, the warning strength is further increased, and the attention is attracted more easily;
when the noise is small, the current generated in the elastic lead is not enough to support the lightening of the warning lamp strip and the sounding of the buzzer.
Preferably, the insulation rod and the elastic lead penetrate through the tuning fork;
the tuning fork makes magnetic field line and elasticity wire take place relative cutting motion through two unlike magnetic poles and produce the electric current in the vibration process, and the elasticity wire is more intensive more the coiling, and the electric current that produces is bigger, and the tuning fork vibration of small amplitude can produce the electric current that is enough to support warning light area to light and the buzzer buzzes, and the noise limit value that detects reduces promptly, is applicable to low noise restriction occasion, otherwise, the elasticity wire is more sparse more the coiling, and the electric current that produces is smaller, and the noise limit value that detects increases, is applicable to big noise restriction occasion.
Preferably, the fixing rods are electrically connected with one ends of the warning lamp strip and the buzzer together, and the shaft sleeve is electrically connected with the other ends of the warning lamp strip and the buzzer;
the control panel is rotated to make the regulating spindle rotate, then the regulating panel rotates and makes a plurality of adjusting sleeves remove, the adjusting sleeve removes then can extrude or tensile elasticity wire, when the adjusting sleeve extrudees elasticity wire, elasticity wire coiling number of turns increases in its unit length, then the noise detection limit value has been transferred down, when the tensile elasticity wire of adjusting sleeve, elasticity wire coiling number of turns reduces in its unit length, then the limit value of noise detection has been transferred high, then can easily control through rotating the control panel and detect the limit value, make and detect the alarm and be applicable to more occasion.
The invention has the following beneficial effects:
1. noise sound wave makes the sound vibrating diaphragm vibration, the atmospheric pressure of sound vibrating diaphragm vibration detection intracavity changes, the tuning fork vibrates under the atmospheric pressure change, the tuning fork of vibration constantly takes place cutting magnetic field line phenomenon and produces the electric current through two unlike magnetic poles with the elastic wire, the electric current makes warning light area light and bee calling organ report to the police through parallel circuit, and because the tuning fork makes a round trip to vibrate and produces alternating current, make warning light area bright and go out scintillation and bee calling organ intermittent type and ring, further increase the intensity of warning, it attracts attention to change.
2. The control panel rotates and makes the regulating spindle rotate, then the regulating panel rotates and makes a plurality of adjusting sleeves remove, when the adjusting sleeve extrusion elasticity wire of removal, elasticity wire coiling number of turns increases in its unit length, then the noise detection limit value has been transferred down, when the adjusting sleeve stretches the elasticity wire, elasticity wire coiling number of turns reduces in its unit length, then the limit value that the noise detected has been transferred high, then the accessible rotates the control panel and can easily control and detect the limit value, make and detect the alarm and be applicable to more occasion.
In conclusion, the tuning fork drives the unlike magnetic pole to vibrate and the elastic lead to generate relative cutting motion to generate alternating current, so that the warning lamp is lightened and extinguished to flicker, the buzzer buzzes intermittently, the warning strength is further improved, the attention is attracted more easily, the number of turns of the unit length of the elastic lead is changed by moving the adjusting sleeve, the detection limit value is changed, and the detection alarm is suitable for more occasions.
Drawings
Fig. 1 is a schematic structural diagram of an adjustable current impulse noise detection alarm according to the present invention;
fig. 2 is a schematic plan structure view of an adjustable current impulse noise detection alarm according to the present invention;
FIG. 3 is an enlarged view of a portion of an adjustment sleeve of an adjustable current impulse noise detection alarm in accordance with the present invention;
FIG. 4 is an enlarged view of a tuning fork portion of an adjustable current impulse noise detection alarm in accordance with the present invention;
fig. 5 is a schematic circuit connection diagram of an adjustable current pulse noise detection alarm according to the present invention.
In the figure: the device comprises a detection box 1, an adjusting shaft 11, a control disc 12, an adjusting disc 13, a first thread groove 131, a shaft sleeve 14, an adjusting sleeve 15, a second thread groove 151, a warning light band 16, a buzzer 17, a detection cavity 2, a sound vibrating diaphragm 21, a tuning fork 22, a unlike magnetic pole 221, a fixing rod 23, a fixing ring 231, an insulating rod 3 and an elastic lead 31.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, an adjustable current pulse noise detection alarm comprises a detection box 1, a plurality of detection chambers 2 are symmetrically arranged in the detection box 1, a sound vibration diaphragm 21 is embedded on the outer side wall of each detection chamber 2, a tuning fork 22 and a fixed rod 23 are installed on the inner bottom wall of each detection chamber 2, two unlike magnetic poles 221 are symmetrically embedded on the tuning fork 22, a fixed ring 231 is installed at the upper end of the fixed rod 23, an insulating rod 3 is fixedly inserted on the fixed ring 231, an elastic lead wire 31 is wound on the insulating rod 3, an adjusting sleeve 15 is slidably sleeved at one end of the insulating rod 3 far away from the fixed ring 231, two ends of the elastic lead wire 31 are respectively connected with the adjusting sleeve 15 and the fixed ring 231, the adjusting sleeve 15 is slidably inserted on the inner side wall of the detection chamber 2, an adjusting shaft 11 is rotatably embedded in the detection box 1, a shaft sleeve 14 is rotatably sleeved at the lower end of the adjusting shaft, first thread groove 131 has been seted up to the upper surface of adjusting disk 13, and second thread groove 151 has all been seted up to the lower bottom surface of every adjusting collar 15, and second thread groove 151 and the cooperation of first thread groove 131, inlays on the lateral wall of detection box 1 and is equipped with warning light strip 16 and bee calling organ 17, and warning light strip 16 and bee calling organ 17 parallel connection, and the upper end of regulating spindle 11 extends to the upper end of detecting box 1 and installs control panel 12.
The adjusting shaft 11, the adjusting disk 13, the shaft sleeve 14, the adjusting sleeve 15, the fixing rod 23 and the fixing ring 231 are all made of conductive metal materials;
the adjusting shaft 11, the adjusting disk 13, the shaft sleeve 14, the adjusting sleeve 15, the fixing rod 23 and the fixing ring 231 are connected through the elastic lead 31 to form a passage, and then the adjusting shaft 11, the adjusting disk 13, the shaft sleeve 14, the adjusting sleeve 15, the fixing rod 23, the fixing ring 231, the elastic lead 31, the warning lamp strip 16 and the buzzer 17 form a parallel loop;
when large noise occurs, the sound vibration film 21 vibrates to enable the air pressure in the detection cavity 2 to change, the tuning fork 22 vibrates under the change of the air pressure, the vibrating tuning fork 22 continuously cuts magnetic field lines with the elastic lead 41 through the two different-name magnetic poles 221 and generates current, the current enables the warning lamp strip 16 to be lighted and the buzzer 17 to give an alarm through a parallel loop, and the tuning fork 22 vibrates back and forth to generate alternating current, so that the warning lamp strip 16 is lighted and extinguished to flicker and the buzzer 17 sounds intermittently, the warning strength is further increased, and the attention is attracted more easily;
when the noise is low, the current generated in the elastic wire 31 is not enough to support the illumination of the warning light strip 16 and the sounding of the buzzer 17.
The insulating rod 3 and the elastic lead 31 penetrate through the tuning fork 22;
in the vibration process of the tuning fork 22, the magnetic field lines and the elastic lead 31 are subjected to relative cutting movement through the two unlike magnetic poles 221 to generate current, the more the elastic lead 31 is wound, the larger the generated current is, namely, the tuning fork 22 vibrates in a small amplitude manner to generate current which is enough to support the lightening of the warning lamp strip 16 and the sounding of the buzzer 17, namely, the detected noise limit value is reduced, and the tuning fork is suitable for low-noise limiting occasions, and conversely, the more the elastic lead 31 is wound, the more the generated current is reduced, the smaller the detected noise limit value is increased, and the tuning fork is suitable for high-noise limiting occasions.
The fixing rods 23 are commonly and electrically connected with one ends of the warning lamp strip 16 and the buzzer 17, and the shaft sleeve 14 is electrically connected with the other ends of the warning lamp strip 16 and the buzzer 17;
rotating control panel 12 makes regulating spindle 11 rotate, then regulating panel 13 rotates and makes a plurality of adjusting collar 15 remove, adjusting collar 15 removes then can extrude or stretch elasticity wire 31, when adjusting collar 15 extrudees elasticity wire 31, the number of turns of winding of elasticity wire 31 increases in its unit length, then the noise detection limit value has been reduced, when adjusting collar 15 stretches elasticity wire 31, the number of turns of winding of elasticity wire 31 in its unit length reduces, then the limit value that the noise detected has been increaseed, then can easily control through rotating control panel 12 and detect the limit value, make the detection alarm be applicable to more occasion.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. The utility model provides an adjustable current impulse noise detects alarm, includes detection box (1), its characterized in that, a plurality of detection chambeies (2) have been seted up to the symmetry in detection box (1), every it is equipped with sound vibrating diaphragm (21) to inlay on the lateral wall in detection chamber (2), every all install tuning fork (22) and dead lever (23) on the interior diapire in detection chamber (2), the symmetry inlays on tuning fork (22) and is equipped with two synonym magnetic poles (221), solid fixed ring (231) are installed to the upper end of dead lever (23), fixed inserting is equipped with insulator spindle (3) on solid fixed ring (231), the winding has elasticity wire (31) on insulator spindle (3), the one end sliding sleeve that insulator spindle (3) kept away from solid fixed ring (231) is equipped with adjusting sleeve (15), and adjusting sleeve (15) and solid fixed ring (231) are connected respectively to the both ends of elasticity wire (31), adjusting collar (15) slide and insert and establish on the inside wall that detects chamber (2), it inlays and is equipped with regulating spindle (11) to detect box (1) internal rotation, the lower extreme of regulating spindle (11) rotates the cover and is equipped with axle sleeve (14), fixed cover is equipped with adjustment disk (13) on regulating spindle (11), first thread groove (131), every have been seted up to the upper surface of adjustment disk (13) second thread groove (151) have all been seted up to the lower bottom surface of regulating collar (15), and second thread groove (151) and first thread groove (131) cooperation, it is equipped with warning lamp area (16) and bee calling organ (17) to inlay on the lateral wall of detection box (1), and warning lamp area (16) and bee calling organ (17) parallel connection, the upper end of regulating spindle (11) extends to the upper end that detects box (1) and installs control panel (12).
2. The adjustable current pulse noise detection alarm device according to claim 1, wherein the adjusting shaft (11), the adjusting disk (13), the shaft sleeve (14), the adjusting sleeve (15), the fixing rod (23) and the fixing ring (231) are all made of conductive metal.
3. An adjustable current impulse noise detection alarm as claimed in claim 1, characterized in that the insulating rod (3) and the elastic wire (31) are passed through the tuning fork (22).
4. The adjustable current pulse noise detection alarm device according to claim 1, wherein a plurality of said fixing rods (23) are electrically connected to one end of the warning light strip (16) and the buzzer (17) together, and said sleeve (14) is electrically connected to the other end of the warning light strip (16) and the buzzer (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010593176.8A CN111710114A (en) | 2020-06-26 | 2020-06-26 | Adjustable current pulse noise detects alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010593176.8A CN111710114A (en) | 2020-06-26 | 2020-06-26 | Adjustable current pulse noise detects alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111710114A true CN111710114A (en) | 2020-09-25 |
Family
ID=72543097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010593176.8A Withdrawn CN111710114A (en) | 2020-06-26 | 2020-06-26 | Adjustable current pulse noise detects alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111710114A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112681191A (en) * | 2021-01-18 | 2021-04-20 | 石凯 | Road isolating device for traffic engineering |
-
2020
- 2020-06-26 CN CN202010593176.8A patent/CN111710114A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112681191A (en) * | 2021-01-18 | 2021-04-20 | 石凯 | Road isolating device for traffic engineering |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200925 |