CN104568124A - Vibration detector - Google Patents
Vibration detector Download PDFInfo
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- CN104568124A CN104568124A CN201510024526.8A CN201510024526A CN104568124A CN 104568124 A CN104568124 A CN 104568124A CN 201510024526 A CN201510024526 A CN 201510024526A CN 104568124 A CN104568124 A CN 104568124A
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- casing
- detection casing
- inertia member
- vibration detector
- fixture
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Abstract
The embodiment of the invention provides a vibration detector. The vibration detector comprises a detection box body and a detection circuit connected with the detection box body. A first inertia piece, a second inertia piece, a first fixing piece and a second fixing piece are arranged in the detection box body. The first inertia piece is used for keeping inertia staticity when the detection box body makes non-upward movement, the second inertia piece is used for keeping inertia staticity when the detection box body makes upward movement, the first fixing piece is used for making contact with the first inertia piece when the detection box body makes non-upward movement, and the second fixing piece is used for making contact with the second inertia piece when the detection box body makes upward movement. According to the vibration detector, the first inertia piece and the second inertia piece are used for triggering a detection circuit, and the vibration detection sensivity is improved; when the detection circuit is not triggered, the entire detection circuit is in a low energy consumption state, and thus the energy consumption of the vibration detector is low.
Description
Technical field
The present invention relates to sensor field, particularly relate to a kind of vibration detector.
Background technology
Along with the development of science and technology, occur that various vibration transducer is applied to each sensory field.As electric vortex type vibration transducer, induction type vibration sensor, condenser type vibration transducer, piezoelectric vibration pickup and resistance-strain type vibration transducer etc.
But above-mentioned vibration transducer has following shortcoming:
One, vibration transducer is passive detection device, and as piezoelectric crystal vibration detector adopts piezoelectric ceramic piece, both sides are the prill of cavity design, utilizes bead to roll and contacts with piezoelectric ceramic piece.When vibrating, bead produces pulsating volage to the change of piezoelectric ceramic piece pressure, thus realizes vibration induction.During detection, create displacement or Velocity-acceleration after bead motion after, vibration is just detected, and bead needs to take a long time from static to motion, and therefore this passive detection has certain hysteresis quality.
Two, in whole testing process, the testing circuit of detector is in conducting state always, and the electric energy therefore consumed is more.
Therefore, be necessary to provide a kind of vibration detector, to solve the problem existing for prior art.
Summary of the invention
The embodiment of the present invention provides a kind of detection sensitivity high and the vibration detector that energy consumption is lower, has certain hysteresis quality and the higher technical matters of energy consumption with the vibration detection solving existing vibration detector.
The embodiment of the present invention provides a kind of vibration detector, and it comprises the testing circuit detecting casing and be connected with described detection casing,
Be provided with in wherein said detection casing:
First inertia member, for when non-moving up occurs described detection casing, described first inertia member keeps inertia static;
Second inertia member, for when described detection casing moves up, described second inertia member keeps inertia static;
First fixture, for when non-moving up occurs described detection casing, described first fixture contacts with described first inertia member, to trigger described testing circuit; And
Second fixture, for when described detection casing moves up, described second fixture contacts with described second inertia member, to trigger described testing circuit.
In the vibration detector described in the embodiment of the present invention, the lower box of described first inertia member and described detection casing forms described second fixture; Described first fixture is fixedly installed on the inner side of the upper box of described detection casing.
In the vibration detector described in the embodiment of the present invention, the lower box of described detection casing is spherical casing, described first inertia member is conducting sphere, and described conducting sphere is arranged on the inner surface of described spherical casing, the inner surface movable contact of described conducting sphere and described spherical casing.
In the vibration detector described in the embodiment of the present invention, described first fixture is the conducting ring of the inner side of the upper box being arranged on described detection casing, and when non-moving up occurs described detection casing, described conducting ring contacts with described conducting sphere.
In the vibration detector described in the embodiment of the present invention, described second inertia member is arranged on the inner side of the upper box of described detection casing, comprise a Flexible Connector and a conducting block, described conducting block is connected by the inner side of described Flexible Connector with the upper box of described detection casing; When described detection casing moves up, described conducting block contacts with described conducting sphere.
In the vibration detector described in the embodiment of the present invention, the upper box of described detection casing is insulation cover plate.
In the vibration detector described in the embodiment of the present invention, described testing circuit comprises power supply, the first switching tube, second switch pipe and alarm;
The positive pole of described power supply is connected by the control end of described detection casing with described first switching tube, the input end of described first switching tube is connected with the positive pole of described power supply, the output terminal of described first switching tube is connected with the negative pole of described power supply, the control end of described second switch pipe is connected with the output terminal of described first switching tube, the input end of described second switch pipe is connected with the positive pole of described power supply, and the output terminal of described second switch pipe is connected with the negative pole of described power supply by described alarm.
In the vibration detector described in the embodiment of the present invention, when described first fixture of described detection casing contacts with described first inertia member of described detection casing, described first switching tube conducting, the conducting of described second switch pipe, described alarm carries out vibration alarming.
In the vibration detector described in the embodiment of the present invention, when described second fixture of described detection casing contacts with described second inertia member of described detection casing, described first switching tube conducting, the conducting of described second switch pipe, described alarm carries out vibration alarming.
In the vibration detector described in the embodiment of the present invention, when the described first inertia member noncontact of described first fixture of described detection casing and described detection casing, and during the described second inertia member noncontact of described second fixture of described detection casing and described detection casing, described first switching tube disconnects, described second switch pipe disconnects, described alarm no power.
Compared to the vibration detector of prior art, vibration detector of the present invention, by the first inertia member and the second inertia member trigger detection circuit, improves the sensitivity of vibration detection; And when testing circuit does not trigger, whole testing circuit is in low energy consumption state, and therefore the energy consumption of vibration detector is lower; The vibration detection solving existing vibration detector has certain hysteresis quality and the higher technical matters of energy consumption.
Accompanying drawing explanation
Fig. 1 is the structural representation of the detection casing of the preferred embodiment of vibration detector of the present invention;
Fig. 2 is the electrical block diagram of the testing circuit of the preferred embodiment of vibration detector of the present invention;
Fig. 3 A is one of structural representation of another detection casing of the preferred embodiment of vibration detector of the present invention;
Fig. 3 B is the structural representation two of another detection casing of the preferred embodiment of vibration detector of the present invention;
Fig. 4 is the electrical block diagram of another testing circuit of the preferred embodiment of vibration detector of the present invention.
Embodiment
The explanation of following embodiment is graphic with reference to what add, can in order to the specific embodiment implemented in order to illustrate the present invention.The direction term that the present invention mentions, such as " on ", D score, "front", "rear", "left", "right", " interior ", " outward ", " side " etc., be only the direction with reference to annexed drawings.Therefore, the direction term of use is in order to illustrate and to understand the present invention, and is not used to limit the present invention.
In the drawings, the unit that structure is similar represents with identical label.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the structural representation of the detection casing of the preferred embodiment of vibration detector of the present invention; Fig. 2 is the electrical block diagram of the testing circuit of the preferred embodiment of vibration detector of the present invention.The vibration detector of this preferred embodiment comprises the testing circuit 20 detecting casing 10 and be connected with detection casing 10.
As shown in Figure 1, to detect in casing 10 and be provided with the first inertia member 11, second inertia member 12, first fixture 13 and the second fixture 14.First inertia member 11 is for when detecting casing 10 and non-moving up occurring, and the first inertia member 11 can keep inertia static; Second inertia member 12 is for when detecting casing 10 and moving up, and the second inertia member 12 can keep inertia static; First fixture 13 is for when detecting casing 10 and non-moving up occurring, and the first fixture 13 contacts with the first inertia member 11, with trigger detection circuit 20; Second fixture 14 is for when detecting casing 10 and moving up, and the second fixture 14 contacts with the second inertia member 12, with trigger detection circuit 20.
In the preferred embodiment, second fixture 14 is made up of the lower box 15 of the first inertia member 11 and detection casing 10, the lower box 15 wherein detecting casing is spherical casing, first inertia member 11 is conducting sphere, this conducting sphere is arranged on the inner surface of spherical casing, the inner surface movable contact of conducting sphere and spherical casing.Here preferably the radius of conducting sphere is less than the radius-of-curvature of spherical casing, and namely when detecting casing 10 and moving left and right (vibration), conducting sphere can roll in spherical casing; When detecting casing 10 and moving up, conducting sphere synchronously can move up with spherical casing.
The upper box 16 detecting casing 10 is insulation cover plate, and the first fixture 13 is for being arranged on the conducting ring of the inner side of insulation cover plate, and this conducting ring can be synchronized with the movement along with the upper box 16 detecting casing 10.Second inertia member 12 comprises Flexible Connector 121 and a conducting block 122, and conducting block 122 is connected with the inner side of insulation cover plate by this Flexible Connector 121.Because Flexible Connector 121 has certain buffer action, therefore conducting block 122 synchronously cannot be moved or vibrate with detection casing 10, thus conducting block 122 can contact with the second fixture 14, with trigger detection circuit 20.
Below being only a kind of implementation detecting casing, certainly also by arranging different inertia members or multiple inertia member, utilizing the static active trigger detection circuit of the inertia of inertia member, and do not need to wait for that the bead motion in passive detection device carrys out trigger detection circuit.Please refer to Fig. 3 A and Fig. 3 B, Fig. 3 A is one of structural representation of another detection casing of the preferred embodiment of vibration detector of the present invention; Fig. 3 B is the structural representation two of another detection casing of the preferred embodiment of vibration detector of the present invention.Wherein Fig. 3 A is the combination of the first inertia member 31 and the first fixture 32, can detect the non-of casing and upwards vibrate.Fig. 3 B is the combination of the second inertia member 33 and the second fixture 34, can detect the non-downward vibration of casing.Use above-mentioned two detection casings can realize equally utilizing the static active trigger detection circuit of the inertia of inertia member simultaneously.
As shown in Figure 2, the testing circuit 20 of the vibration detector of this preferred embodiment comprises power supply 21, first switching tube 22, second switch pipe 23 and alarm 24.The positive pole of power supply 21 is connected with the control end of the first switching tube 22 by detecting casing 10, the input end of the first switching tube 22 is connected with the positive pole of power supply 21, the output terminal of the first switching tube 22 is connected with the negative pole of power supply 21, the control end of second switch pipe 23 is connected with the output terminal of the first switching tube 22, the input end of second switch pipe 23 is connected with the positive pole of power supply 21, and the output terminal of second switch pipe 23 is connected with the negative pole of power supply 21 by described alarm 24.
When the vibration detector of this preferred embodiment works, this vibration detector is fixed on detected object, when vibration detector does not detect vibration, conducting sphere and conducting block 122, conducting sphere and conducting ring are off-state, namely detect the first fixture 13 of casing 10 and detect the first inertia member 11 noncontact of casing 10, and detect the second fixture 14 of casing 10 and detect the second inertia member 12 noncontact of casing 10, at this moment detect casing 10 entirety and be in off-state, the positive pole of power supply 21 and the control end of the first switching tube 22 separated, therefore the first switching tube 22 disconnects, second switch pipe 23 disconnects, alarm 24 no power.At this moment the first switching tube 22 and second switch pipe 23 only have faint penetrating current, and the overall power of vibration detector is very low.Certainly second switch pipe 23 also can use thyristor 43 to replace here, specifically as shown in Figure 4.
When vibration detector detects the non-vibration moved upward, conducting sphere keeps inertia static, detects the upper box 16 of casing 10, the lower box 15 detecting casing 10 and conducting ring synchronizing moving.Conducting sphere contacts with the conducting ring on the upper box 16 detecting casing 10, namely the first fixture 13 detecting casing 10 contacts with the first inertia member 11 detecting casing 10, at this moment detect casing 10 entirety and be in conducting state, conducting between the positive pole of power supply 21 and the control end of the first switching tube 22, first switching tube 22 conducting, second switch pipe 23 also conducting, alarm 24 carries out vibration alarming.
When vibration detector detects the vibration moved upward, conducting block 122 keeps inertia static under the effect of Flexible Connector 121, detects the upper box 16 of casing 10, the lower box 15 detecting casing 10 and conducting sphere synchronizing moving.Conducting sphere contacts with conducting block 122, the second fixture 14 detecting casing 10 contacts with the second inertia member 12 detecting casing 10, at this moment detect casing 10 entirety and be in conducting state, conducting between the positive pole of power supply 21 and the control end of the first switching tube 22, first switching tube 22 conducting, second switch pipe 23 also conducting, alarm 24 carries out vibration alarming.
Simultaneously because the lower box 15 detecting casing 10 is spherical casing, this spherical casing also can carry out immediate restoration of service to conducting sphere, is convenient to carry out vibration detection next time.The vibration detector of this preferred embodiment, by the inertia of the first inertia member 11 and the second inertia member 12, testing circuit is triggered, and do not need to carry out the operations such as promotion to the first inertia member 11 and the second inertia member 12, save the first inertia member 11 by static to moving the time spent, therefore the detection sensitivity of this vibration detector is high, detection time is short and detecting reliability is strong.
Vibration detector of the present invention, by the first inertia member and the second inertia member trigger detection circuit, improves the sensitivity of vibration detection; And when testing circuit does not trigger, whole testing circuit is in low energy consumption state, and therefore the energy consumption of vibration detector is lower; The vibration detection solving existing vibration detector has certain hysteresis quality and the higher technical matters of energy consumption.
In sum; although the present invention discloses as above with preferred embodiment; but above preferred embodiment is also not used to limit the present invention; those of ordinary skill in the art; without departing from the spirit and scope of the present invention; all can do various change and retouching, the scope that therefore protection scope of the present invention defines with claim is as the criterion.
Claims (10)
1. a vibration detector, is characterized in that, comprises the testing circuit detecting casing and be connected with described detection casing,
Be provided with in wherein said detection casing:
First inertia member, for when non-moving up occurs described detection casing, described first inertia member keeps inertia static;
Second inertia member, for when described detection casing moves up, described second inertia member keeps inertia static;
First fixture, for when non-moving up occurs described detection casing, described first fixture contacts with described first inertia member, to trigger described testing circuit; And
Second fixture, for when described detection casing moves up, described second fixture contacts with described second inertia member, to trigger described testing circuit.
2. vibration detector according to claim 1, is characterized in that, the lower box of described first inertia member and described detection casing forms described second fixture; Described first fixture is fixedly installed on the inner side of the upper box of described detection casing.
3. vibration detector according to claim 2, it is characterized in that, the lower box of described detection casing is spherical casing, described first inertia member is conducting sphere, described conducting sphere is arranged on the inner surface of described spherical casing, the inner surface movable contact of described conducting sphere and described spherical casing.
4. vibration detector according to claim 3, is characterized in that, described first fixture is the conducting ring of the inner side of the upper box being arranged on described detection casing, and when non-moving up occurs described detection casing, described conducting ring contacts with described conducting sphere.
5. vibration detector according to claim 4, it is characterized in that, described second inertia member is arranged on the inner side of the upper box of described detection casing, comprise a Flexible Connector and a conducting block, described conducting block is connected by the inner side of described Flexible Connector with the upper box of described detection casing; When described detection casing moves up, described conducting block contacts with described conducting sphere.
6. vibration detector according to claim 2, is characterized in that, the upper box of described detection casing is insulation cover plate.
7. vibration detector according to claim 1, is characterized in that, described testing circuit comprises power supply, the first switching tube, second switch pipe and alarm;
The positive pole of described power supply is connected by the control end of described detection casing with described first switching tube, the input end of described first switching tube is connected with the positive pole of described power supply, the output terminal of described first switching tube is connected with the negative pole of described power supply, the control end of described second switch pipe is connected with the output terminal of described first switching tube, the input end of described second switch pipe is connected with the positive pole of described power supply, and the output terminal of described second switch pipe is connected with the negative pole of described power supply by described alarm.
8. vibration detector according to claim 7, it is characterized in that, when described first fixture of described detection casing contacts with described first inertia member of described detection casing, described first switching tube conducting, the conducting of described second switch pipe, described alarm carries out vibration alarming.
9. vibration detector according to claim 7, it is characterized in that, when described second fixture of described detection casing contacts with described second inertia member of described detection casing, described first switching tube conducting, the conducting of described second switch pipe, described alarm carries out vibration alarming.
10. vibration detector according to claim 7, it is characterized in that, when the described first inertia member noncontact of described first fixture of described detection casing and described detection casing, and during the described second inertia member noncontact of described second fixture of described detection casing and described detection casing, described first switching tube disconnects, described second switch pipe disconnects, described alarm no power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510024526.8A CN104568124B (en) | 2015-01-16 | 2015-01-16 | Vibration detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510024526.8A CN104568124B (en) | 2015-01-16 | 2015-01-16 | Vibration detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104568124A true CN104568124A (en) | 2015-04-29 |
| CN104568124B CN104568124B (en) | 2018-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510024526.8A Expired - Fee Related CN104568124B (en) | 2015-01-16 | 2015-01-16 | Vibration detector |
Country Status (1)
| Country | Link |
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| CN (1) | CN104568124B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084786A (en) * | 2017-06-12 | 2017-08-22 | 陈果 | A kind of viberation detector |
| CN109069728A (en) * | 2016-04-28 | 2018-12-21 | 贝克顿·迪金森公司 | Needle the storage box with positioning indicator |
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| CN1101127A (en) * | 1993-09-30 | 1995-04-05 | 李扬荣 | Pressure transducer for use in traffic collision |
| US6297463B1 (en) * | 1998-08-31 | 2001-10-02 | Sealed Air Corporation (U.S.) | Out-of-fluid detector for reciprocating pumps |
| CN101228418A (en) * | 2005-07-22 | 2008-07-23 | 株式会社生方制作所 | Acceleration switch |
| CN201242975Y (en) * | 2008-05-16 | 2009-05-20 | 比亚迪股份有限公司 | Collision sensor |
| CN102132372A (en) * | 2008-08-28 | 2011-07-20 | 美泰公司 | Motion switch |
| CN204479176U (en) * | 2015-01-16 | 2015-07-15 | 成都大学 | Vibration detector |
-
2015
- 2015-01-16 CN CN201510024526.8A patent/CN104568124B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1101127A (en) * | 1993-09-30 | 1995-04-05 | 李扬荣 | Pressure transducer for use in traffic collision |
| US6297463B1 (en) * | 1998-08-31 | 2001-10-02 | Sealed Air Corporation (U.S.) | Out-of-fluid detector for reciprocating pumps |
| CN101228418A (en) * | 2005-07-22 | 2008-07-23 | 株式会社生方制作所 | Acceleration switch |
| CN201242975Y (en) * | 2008-05-16 | 2009-05-20 | 比亚迪股份有限公司 | Collision sensor |
| CN102132372A (en) * | 2008-08-28 | 2011-07-20 | 美泰公司 | Motion switch |
| CN204479176U (en) * | 2015-01-16 | 2015-07-15 | 成都大学 | Vibration detector |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109069728A (en) * | 2016-04-28 | 2018-12-21 | 贝克顿·迪金森公司 | Needle the storage box with positioning indicator |
| CN109069728B (en) * | 2016-04-28 | 2021-08-13 | 贝克顿·迪金森公司 | Needle storage cartridge with status indicator |
| CN107084786A (en) * | 2017-06-12 | 2017-08-22 | 陈果 | A kind of viberation detector |
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| Publication number | Publication date |
|---|---|
| CN104568124B (en) | 2018-10-19 |
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Granted publication date: 20181019 Termination date: 20200116 |