CN208579833U - A Sound velocity measuring apparatus based on Internet of Things - Google Patents
A Sound velocity measuring apparatus based on Internet of Things Download PDFInfo
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- CN208579833U CN208579833U CN201821069716.7U CN201821069716U CN208579833U CN 208579833 U CN208579833 U CN 208579833U CN 201821069716 U CN201821069716 U CN 201821069716U CN 208579833 U CN208579833 U CN 208579833U
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- energy converter
- screw rod
- baffle
- internet
- double rod
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Abstract
The utility model discloses a Sound velocity measuring apparatus based on Internet of Things, including baffle, fixed double rod, transmitting transducer, receive energy converter, position double rod, bluetooth displacement detecting mechanism, motor, motor control connector, transmitting turns energy converter input interface, receive converter output interface, soft spacer ring, limit switch group, cover board, screw rod, the utility model has the beneficial effects that realizing the Internet of Things networking of product, the measurement experiment of dependent acoustic velocity is completed by network, promote conventional efficient, for not purchasing school or the public of Experimental Establishment, it can be controlled by computer and complete dependent acoustic velocity measurement experiment.Digital display grid ruler displacement detecting design based on Bluetooth transmission eliminates traditional screw rod reading structure bring backhaul difference problem, improves the accuracy of experiment.Transducer drive structure is driven using double rod positioning screw rod, effectively reduces drive gap, improves stability when device operation;Using soft connection, the interference of resonance signal is effectively avoided.
Description
Technical field
The utility model relates to experimental provision field, the specially a Sound velocity measuring apparatus based on Internet of Things.
Background technique
The measurement of the velocity of sound is mainly observed, studies sound wave propagation phenomenon in different media, and sound wave in these media is measured
Spread speed.Traditional velocity measurement experiments, the main position by being shaken between screw rod change energy converter manually, pass through drum
Or vernier caliper reads displacement data, then according to the waveform situation of change of signal generator and oscillograph, using phase method or
Time difference method measures the velocity of sound.Since there are return differences for screw rod transmission, so there are problems for the reading accuracy being displaced, one can only be passed through
Direction is continuously driven and repeatedly measurement data is just avoided that return difference problem.It is difficult to realize the automation of the velocity of sound due to the above reasons,
Measurement.In addition, student previews general by testing handout or simulation software realization, body since experiment can only be completed in laboratory
It is poor to test effect;For not purchasing school or the public of Experimental Establishment, will be unable to complete dependent acoustic velocity measurement experiment.
Utility model content
The purpose of this utility model is to provide a Sound velocity measuring apparatus based on Internet of Things, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions: a Sound velocity measuring apparatus based on Internet of Things,
It is formed including testing jig and controller,
The testing jig includes baffle, fixed double rod, transmitting transducer, receives energy converter, positioning double rod, cover board, described
Baffle bottom two sides are fixedly connected with fixed double rod, and baffle top is fixedly connected with positioning double rod, is equipped with silk below the positioning double rod
Bar, the screw rod are connected with baffle, and positioning double rod is fixedly connected with transmitting transducer, the transmitting transducer two with one end of screw rod
Side is equipped with soft spacer ring, and the fixed double rod other end, which is equipped with, receives energy converter, described to receive energy converter and fixed double rod and silk
Bar is slidably connected, and described to receive to be fixedly connected with bluetooth displacement detecting mechanism on the upside of energy converter, the positioning double rod two sides are equipped with limit
Bit switch group, baffle rear side are fixedly connected with cover board, and the cover board is equipped with transmitting and turns energy converter input interface, receives converter output
Interface, the intermediate position on the outside of the baffle connect motor control interface, and the motor control connector other end is fixedly connected
Motor, described screw rod one end passes through baffle, motor control connector is connected to motor;
The controller includes main control unit, signal generator, electric machine control system, signal detection module, bluetooth mould
Block, wireless WiFi module, the main control unit inside are equipped with the sound velocity determination software of programming, and the signal generator passes through hair
It penetrates and turns energy converter input interface and be connected with transmitting transducer, the electric machine control system is connected with testing jig motor, the signal
Detection module is connected by receiving converter output interface with energy converter is received, the bluetooth displacement of the bluetooth module and testing jig
Testing agency's communication, the controller is by WiFi module and network connection, to further connect computer.
Further, described to receive energy converter between limit switch group.
Further, the motor receives energy converter by screw rod drive.
Further, the aobvious screen of setting right above the bluetooth displacement detecting mechanism.
Further, the signal generator, electric machine control system, signal detection module, bluetooth module, wireless WiFi
Module passes through main control unit control.
Compared with prior art, the utility model has the beneficial effects that
1. realizing the Internet of Things networking of product, the measurement experiment of dependent acoustic velocity is completed by network, promotes conventional efficient, for
School or the public of Experimental Establishment are not purchased, can be controlled by computer and complete dependent acoustic velocity measurement experiment.
2. the digital display grid ruler displacement detecting based on Bluetooth transmission designs, traditional screw rod reading structure bring backhaul is eliminated
Poor problem, improves the accuracy of experiment, and facilitates reading.
3. transducer drive structure is driven using double rod positioning screw rod, drive gap is effectively reduced, improves device operation
When stability.
4. energy converter fixing seat and positioning between the dual beams are equipped with soft spacer ring, soft connection is used, is effectively avoided altogether
The interference of vibration signal.
Detailed description of the invention
Fig. 1 is the frame principle figure of the utility model.
Fig. 2 is the testing jig main view of the utility model.
Fig. 3 is the testing jig structural schematic diagram of the utility model.
Fig. 4 is the testing jig top view of the utility model.
In Fig. 1-4: 1- baffle;2- fixes double rod;3- transmitting transducer;4- receives energy converter;5- positions double rod;6- is blue
Tooth displacement detecting mechanism;7- motor;8- motor control connector;9- transmitting turns energy converter input interface;10- receives converter
Output interface;The soft spacer ring of 11-;12- limit switch group;13- cover board;14- screw rod.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a Sound velocity measuring apparatus based on Internet of Things, packet
Testing jig and controller composition are included,
The testing jig includes baffle 1, fixed double rod 2, transmitting transducer 3, receives energy converter 4, positioning double rod 5, cover board
13,1 two sides of the bottom of baffle are fixedly connected with fixed double rod 2, and 1 top of baffle is fixedly connected with positioning double rod 5, the positioning double rod
5 lower sections are equipped with screw rod 14, and the screw rod 14 and baffle 1 connect, and position double rod 5 with one end of screw rod 14 and are fixedly connected with transmitting transducing
Device 3,3 two sides of transmitting transducer are equipped with soft spacer ring 11, and soft spacer ring can be avoided resonance signal influence, Gu
5 other end of double rod is determined equipped with energy converter 4 is received, and the energy converter 4 that receives is slidably connected with fixed double rod 5 and screw rod 14, described
Receive to be fixedly connected with bluetooth displacement detecting mechanism 6 on the upside of energy converter 4, bluetooth displacement detecting mechanism 6 can directly measure transmitting and change
Energy device 3 is equipped with limit switch group 12, fixes on rear side of baffle 1 with the distance between energy converter 4,5 two sides of positioning double rod are received
Connecting cover plate 13, the cover board 13 are equipped with transmitting and turn energy converter input interface 9, receive converter output interface 10, the baffle 1
The intermediate position in outside connects motor control interface 8, and 8 other end of motor control connector is fixedly connected with silk described in motor 7
14 one end of bar passes through baffle 1, motor control connector 8 is connect with motor 7;
The controller includes main control unit, signal generator, electric machine control system, signal detection module, bluetooth mould
Block, wireless WiFi module, the main control unit inside are equipped with the sound velocity determination software of programming, and the signal generator passes through hair
It penetrates and turns energy converter input interface 9 and be connected with transmitting transducer 3, the electric machine control system is connected with testing jig motor 7, the letter
Number detection module is connected by receiving converter output interface 10 with energy converter 4 is received, the indigo plant of the bluetooth module and testing jig
Tooth displacement detecting mechanism 6 communicates, and the controller is by WiFi module and network connection, to further connect computer.
As a kind of technical optimization scheme of the utility model, it is described receive energy converter 4 be located at limit switch group 12 it
Between, limit switch group 12, which can limit, receives 4 moving range of energy converter, improves experiment safety.
As a kind of technical optimization scheme of the utility model, the motor 7 receives energy converter by the drive of screw rod 14
4, so that it is mobile to receive energy converter 4.
As a kind of technical optimization scheme of the utility model, setting is aobvious right above the bluetooth displacement detecting mechanism 6
Screen can directly display transmitting transducer 3 and receive the distance between energy converter 4, eliminate traditional screw rod reading structure bring
Backhaul difference problem, the digitlization for realizing displacement are tested automatically.
As a kind of technical optimization scheme of the utility model, the signal generator, electric machine control system, signal inspection
It surveys module, bluetooth module, wireless WiFi module and passes through main control unit control.
Embodiment
When the utility model is used, network computer operation experiments carry out, by WiFi module, main control list is controlled
Member, so that further control signal generator, electric machine control system, signal detection module, bluetooth module, electric machine control system drive
Dynamic motor 4 receives energy converter 4 by the drive of screw rod 14, will receive energy converter 4 and move to suitable location, using bluetooth displacement detecting
Mechanism 6 detects transmitting transducer 3 and receives the distance between energy converter 4, is tested.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a Sound velocity measuring apparatus based on Internet of Things, including testing jig and controller composition, it is characterised in that:
The testing jig includes baffle (1), fixed double rod (2), transmitting transducer (3), receives energy converter (4), positioning double rod
(5), cover board (13), baffle (1) two sides of the bottom are fixedly connected fixed double rod (2), and it is double that baffle (1) top is fixedly connected with positioning
Bar (5) is equipped with screw rod (14) below the positioning double rod (5), and the screw rod (14) and baffle (1) connect, positioning double rod (5) and
One end of screw rod (14) is fixedly connected transmitting transducer (3), and transmitting transducer (3) two sides are equipped with soft spacer ring
(11), fixed double rod (2) other end, which is equipped with, receives energy converter (4), described to receive energy converter (4) and fixed double rod (2) and screw rod
(14) it is slidably connected, described to receive to be fixedly connected bluetooth displacement detecting mechanism (6) on the upside of energy converter (4), the positioning double rod (5)
Two sides are equipped with limit switch group (12), are fixedly connected cover board (13) on rear side of baffle (1), and the cover board (13) is equipped with transmitting conversion energy
Device input interface (9) receives converter output interface (10), and the intermediate position connection motor control on the outside of the baffle (1) connects
Interface (8), motor control connector (8) other end are fixedly connected motor (7), and described screw rod (14) one end passes through baffle
(1), motor control connector (8) is connect with motor (7);
The controller includes main control unit, signal generator, electric machine control system, signal detection module, bluetooth module, nothing
Line WiFi module, the main control unit inside are equipped with the sound velocity determination software of programming, and the signal generator passes through transmitting turn
Energy converter input interface (9) is connected with transmitting transducer (3), and the electric machine control system is connected with testing jig motor (7), described
Signal detection module is connected by receiving converter output interface (10) with energy converter (4) are received, the bluetooth module and test
The bluetooth displacement detecting mechanism (6) of frame communicates, and the controller is by WiFi module and network connection, thus further connection meter
Calculation machine.
2. a Sound velocity measuring apparatus based on Internet of Things according to claim 1, it is characterised in that: described receives transducing
Device (4) is located between limit switch group (12).
3. a Sound velocity measuring apparatus based on Internet of Things according to claim 1, it is characterised in that: the motor (7)
It is driven by screw rod (14) and receives energy converter (4).
4. a Sound velocity measuring apparatus based on Internet of Things according to claim 1, it is characterised in that: the bluetooth displacement
The aobvious screen of setting right above testing agency (6).
5. according to a Sound velocity measuring apparatus based on Internet of Things described in claim 1, it is characterised in that: the signal occurs
Device, electric machine control system, signal detection module, bluetooth module, wireless WiFi module pass through main control unit control.
Priority Applications (1)
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CN201821069716.7U CN208579833U (en) | 2018-07-06 | 2018-07-06 | A Sound velocity measuring apparatus based on Internet of Things |
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CN201821069716.7U CN208579833U (en) | 2018-07-06 | 2018-07-06 | A Sound velocity measuring apparatus based on Internet of Things |
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CN208579833U true CN208579833U (en) | 2019-03-05 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108519145A (en) * | 2018-07-06 | 2018-09-11 | 杭州大华仪器制造有限公司 | A Sound velocity measuring apparatus based on Internet of Things |
-
2018
- 2018-07-06 CN CN201821069716.7U patent/CN208579833U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108519145A (en) * | 2018-07-06 | 2018-09-11 | 杭州大华仪器制造有限公司 | A Sound velocity measuring apparatus based on Internet of Things |
CN108519145B (en) * | 2018-07-06 | 2024-04-16 | 杭州大华仪器制造有限公司 | Sound velocity tester based on Internet of things |
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GR01 | Patent grant | ||
CP02 | Change in the address of a patent holder |
Address after: 311401 Building 1 and 2, No.3, Dongzhou industrial functional zone, Dongzhou street, Fuyang District, Hangzhou City, Zhejiang Province Patentee after: HANGZHOU DAHUA APPARATUS MANUFACTURE Co.,Ltd. Address before: 311401 No.3, No.11 Road, Dongzhou industrial functional zone, Dongzhou street, Fuyang District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU DAHUA APPARATUS MANUFACTURE Co.,Ltd. |
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CP02 | Change in the address of a patent holder |