CN209069413U - A kind of portable noise measuring instrument - Google Patents
A kind of portable noise measuring instrument Download PDFInfo
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- CN209069413U CN209069413U CN201821150876.4U CN201821150876U CN209069413U CN 209069413 U CN209069413 U CN 209069413U CN 201821150876 U CN201821150876 U CN 201821150876U CN 209069413 U CN209069413 U CN 209069413U
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- Prior art keywords
- tool housing
- column
- support frame
- noise measuring
- measuring instrument
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Abstract
The utility model relates to noise measuring apparatus fields, disclose a kind of portable noise measuring instrument, including tool housing and the detector ontology being arranged in tool housing and the key panel being electrically connected with detector ontology, liquid crystal display, collect microphone and battery socket and support frame, noise samples detection is carried out to tested region in a short time, tool housing need to only be removed from support frame, by staff's grip and microphone alignment region to be measured will be collected, it can carry out noise measuring, it is also convenient for the traverse measurement of staff, when staff needs to carry out prolonged control survey to region to be measured, tool housing can be fixed on support frame, without being held by staff, avoid staff tired out, meet the noise samples needs under different situations.
Description
Technical field
The utility model relates to noise measuring apparatus fields, more specifically, it relates to a kind of portable noise measuring instrument.
Background technique
It is all to interfere people's rest, study and work and your sound to be listened is produced for the viewpoint of physiology
The sound of raw interference, is referred to as noise, when noise on human and ambient enviroment cause adverse effect, just forms noise pollution.Respectively
The creation and use of kind mechanical equipment bring flourishing and progress to the mankind, but also produce simultaneously more and more and more next
Stronger noise, noise not only can cause to damage to hearing, moreover it is possible to a variety of carcinogenic fatal diseases be induced, also to people's lives
Work is interfered, so just needing first to measure noise using to noise measuring set before managing noise.
However, existing to some occasions for needing to carry out noise measuring, need staff carry noise level indicator into
Row test, when needing to carry out prolonged noise measuring, prolonged grip can make testing staff generate fatigue, influence work
Efficiency.
Utility model content
Aiming at the problems existing in the prior art, the purpose of this utility model is to provide a kind of portable noise measurings
Instrument, it is easy to use and the advantages of used for staff in different operating with easy to carry.
To achieve the above object, the utility model provides following technical solution:
A kind of portable noise measuring instrument, including tool housing and the detector ontology that is arranged in the tool housing with
And be electrically connected with the detector ontology key panel, liquid crystal display, collect microphone and battery socket, further include with it is described
Tool housing is detachably fixed the support frame of connection, and the key panel and the liquid crystal display are mounted on the instrument
On shell, described one end collected microphone and the tool housing is arranged in, the battery socket is arranged remote in the tool housing
One side from the key panel.
Through the above technical solutions, noise samples detection is carried out to tested region in a short time, it only need to be by tool housing
It is removed from support frame, by staff's grip and microphone alignment region to be measured will be collected, noise measuring can be carried out, be also convenient for
The traverse measurement of staff can will be outside instrument when staff needs to carry out prolonged control survey to region to be measured
Shell is fixed on support frame, without being held by staff, is avoided staff tired out, is met the noise under different situations
Sampling needs.
Further, location hole is offered on the tool housing, support frame as described above is solid close to one end of the detector
Surely it is provided with the positioning column being threadedly coupled with the location hole.
Through the above technical solutions, location hole is directed at positioning column, rotary apparatus shell can connect tool housing
It is quickly fixed on the support frame with detector ontology.
Further, support frame as described above includes supporting table and multiple support legs for being rotatably arranged on the supporting table side
And it is rotatably arranged on the reversing column in the supporting table, reversing bearing, the reversing shaft are fixedly installed in the supporting table
The inner peripheral held is fixedly connected with the reversing column, and the positioning column is coaxial to be fixed in the reversing column.
Through the above technical solutions, reversing column, which rotates, can be changed the direction for collecting microphone, outside the setting instrument of reversing bearing
Shell can be stable rotation, reduce the additional noise that generates when changing the direction for collecting microphone, the detection to noise avoided to generate
Interference.
Further, it is arranged with positioning ring in the support leg, it is coaxial in the reversing column to be fixed with locating piece, it is described
Positioning belt is fixedly connected on positioning ring, the positioning belt is fixedly connected on the locating piece far from one end of the positioning ring
On.
Through the above technical solutions, positioning belt can fix the angle that support leg is opened, guarantee the stability of support frame.
Further, the support leg is detachably fixed far from one end of the supporting table and is connected with extension bar.
Through the above technical solutions, installing extension bar in support leg, make the elevated height of support frame entirety, to change
The height of microphone is collected, to adapt to different noise testing conditions.
Further, the extension bar is provided with non-slip rubber block, the anti-slip rubber far from one end of the support leg
Block is fixedly connected with clamping block close to one end of the extension bar, offers on the extension bar and the matched card of the clamping block
Tight slot.
Through the above technical solutions, non-slip rubber block can increase the frictional force between support frame and ground, it is further to increase
Add the stability of support frame, clamping block and clamping slot to be embedded fixation easy for removal and installation.
Further, described to collect the measuring head and be fixed at institute that microphone includes one end far from the tool housing
State the windproof sponge on measuring head.
Through the above technical solutions, windproof sponge can reduce wind and make an uproar, guarantee the measuring accuracy of portable noise measuring instrument.
Further, the measuring head is fixedly installed anticreep barb close to one end of the windproof sponge.
Through the above technical solutions, windproof sponge can more be stably fixed on measuring head by anticreep barb, avoid
Windproof sponge falls off from measuring head.
Further, it is provided with dustproof cover on the tool housing, the dustproof cover is provided with dustproof column on one side, described
Dustproof column is embedded in the positioning hole.
Through the above technical solutions, tool housing is removed storage, dustproof cover from support frame after being measured of noise
Avoidable positioning hole falls ash and influences installation next time.
Compared with prior art, the utility model has the beneficial effects that
(1) pass through and positioning column be set on the support frame, positioning column is being threaded in the positioning hole on tool housing,
Physical strength of the staff in long-time detection noise intensity is saved, the work energy of staff is saved, guarantees measurement result
It is accurate；
(2) by radix saposhnikoviae sponge fixed on the measuring head for receiving noise, the shadow that avoidable wind is made an uproar to noise testing
It rings, improves the accuracy of test result.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the rear view of tool housing；
Fig. 3 is the partial sectional view of support frame.
Appended drawing reference: 1, tool housing；11, location hole；2, detector ontology；21, key panel；22, liquid crystal display；
23, microphone is collected；231, measuring head；232, windproof sponge；233, anticreep barb；24, battery socket；3, support frame；31, it supports
Platform；32, support leg；33, reversing bearing；34, reversing column；35, positioning column；36, extension bar；361, clamping slot；37, anti-slip rubber
Block；371, clamping block；4, positioning ring；41, locating piece；42, positioning belt；5, dustproof cover；51, dustproof column.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
A kind of portable noise measuring instrument includes tool housing 1 combined with Figure 1 and Figure 2, and is arranged in tool housing 1
Detector ontology 2 is provided with the battery socket 24 being electrically connected with detector ontology 2, setting in battery socket 24 in tool housing 1
There are 4 section 1.5V batteries to connect to power to detector ontology 2, tool housing 1 is additionally provided on one side and examines far from battery socket 24
Key panel 21 and liquid crystal display 22 that instrument ontology 2 is electrically connected are surveyed, and in the setting of one end of tool housing 1 and detector ontology
The collection microphone 23 of 2 signals connection.Staff holds tool housing 1, by pressing the button the starting of the on & off switch on panel 21
Detector ontology 2 is collected and generates after microphone 23 is directed at reception noise in region to be measured and convey noise signal to detector ontology 2
Place, detector ontology 2 exports after receiving noise signal processing to liquid crystal display 22 and the matched display of numerical values recited of noise
Signal, liquid crystal display 22 show the numerical values recited of noise after receiving display signal.
As shown in Figure 1, collecting the measuring head 231 that microphone 23 includes one end far from tool housing 1, measured to reduce
The influence that Cheng Zhongfeng makes an uproar, is fixedly installed windproof sponge 232 on measuring head 231, and windproof sponge 232 can stop to blow wind into measuring head
231, it reduces wind and makes an uproar, guarantee the measuring accuracy of portable noise measuring instrument.
As shown in Fig. 2, wind-force is crossed senior general's radix saposhnikoviae sponge 232 and is blown off in order to prevent, in measuring head 231 close to windproof sponge
Anticreep barb 233 is fixedly installed in 232 one end, and anticreep barb 233 can catch on windproof sponge 232, consolidates it more stable
It is scheduled on measuring head 231.
As shown in Fig. 2, above-mentioned design is applicable to the noise samples in staff's short time to region to be measured, and
When carrying out prolonged noise measuring to some regions to be measured, the prolonged tool housing 1 that holds can allow staff tired out, into
And the testing efficiency and accuracy influenced to noise testing is detachably fixed setting to solve this problem on tool housing 1
Support frame 3 can be placed on the ground and be supported to tool housing 1 by support frame 3, hold for a long time without staff,
Noise measuring can be carried out to region to be measured.
As shown in figure 3, support frame 3 includes supporting table 31, the multiple support legs 32 being rotatably arranged on 31 side of supporting table
Reversing bearing 33 and the reversing column 34 being fixedly connected coaxial with reversing bearing 33 with being fixed on support cushion cap, make to change
It can be rotated in supporting table 31 to column 34.The one end of reversing column 34 far from ground is coaxial to be fixedly connected with positioning column 35, and in instrument
The location hole 11 being threadedly coupled with positioning column 35 is opened up on device shell 1, keeps tool housing 1 quickly solid together with detector ontology 2
It is scheduled on support frame 3, while the drive tool housing 1 of reversing column 34 rotates and then the changeable direction for collecting microphone 23, realization pair
The region to be measured of different directions carries out noise measuring, and the rotation that reversing bearing 33 keeps shell stable is reduced and changed in commutation
The additional noise that microphone 23 generates is collected to 34 pairs of column, avoids the interference of unnecessary noise.
As shown in Fig. 2, tool housing 1 can be removed from support frame 3 and be stored, in instrument after being measured of noise
Dustproof cover 5 is set on shell 1, dustproof cover 5 is provided with dustproof column 51 on one side, and dustproof column 51 is embedded in location hole 11,
It can avoid dust stratification in location hole 11 and influence installation next time.
As shown in figure 3, support leg 32 is set as three, the angle needs opened are fixed, to increase support frame 3
Stability is arranged positioning ring 4 in support leg 32, the coaxial stationary positioned block 41 in reversing column 34, and solid on positioning ring 4
Surely positioning belt 42 is connected, then one end of the remotely located ring 4 of positioning belt 42 is fixedly connected on locating piece 41, keeps support leg
32 opening angle, the further stability for improving support frame 3.
In conjunction with Fig. 1 and Fig. 3, in some cases, collects microphone 23 and need higher test height, in support leg 32 far from branch
The threaded one end for supportting platform 31 connects extension bar 36, makes the elevated height of the entirety of support frame 3, to improve the height for collecting microphone 23
Degree.
As shown in figure 3, extension bar 36 is provided with non-slip rubber block 37 far from one end of support leg 32, non-slip rubber block 37 is leaned on
One end of nearly extension bar 36 is fixedly connected with clamping block 371, offers on extension bar 36 and the matched clamping slot of clamping block 371
361, non-slip rubber block 37 is mounted on can quickly on extension bar 36 by the fixation that is embedded of clamping block 371 and clamping slot 361,
Non-slip rubber block 37 can increase the frictional force between support frame and ground simultaneously, the further stability for increasing support frame.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (6)
1. a kind of portable noise measuring instrument, including tool housing (1) and the detector sheet being arranged in the tool housing (1)
Body (2) and the key panel (21) being electrically connected with the detector ontology (2), collect microphone (23) at liquid crystal display (22)
With battery socket (24), which is characterized in that further include the support frame (3) for being detachably fixed connection with the tool housing (1), institute
It states key panel (21) and the liquid crystal display (22) is mounted on the tool housing (1), the collection microphone
(23) setting is in one end of the tool housing (1), and battery socket (24) setting is in the tool housing (1) far from described
The one side of key panel (21)；
It is offered location hole (11) on the tool housing (1), support frame as described above (3) is set close to the fixation of one end of the detector
It is equipped with the positioning column (35) being threadedly coupled with the location hole (11)；
Support frame as described above (3) includes supporting table (31) and multiple support legs for being rotatably arranged on the supporting table (31) side
(32) and the reversing column (34) that is rotatably arranged on the supporting table (31), commutation is fixedly installed in the supporting table (31)
The inner peripheral of bearing (33), the reversing bearing (33) is fixedly connected with the reversing column (34), and the positioning column (35) is coaxial
It is fixed on the reversing column (34)；
It is provided with dustproof cover (5) on the tool housing (1), being provided on one side dustproof column (51) for the dustproof cover (5) is described
Dustproof column (51) is embedded in the location hole (11).
2. portable noise measuring instrument according to claim 1, which is characterized in that be arranged on the support leg (32)
Positioning ring (4), it is coaxial on the reversing column (34) to be fixed with locating piece (41), positioning is fixedly connected on the positioning ring (4)
Band (42), the positioning belt (42) are fixedly connected on the locating piece (41) far from the one end of the positioning ring (4).
3. portable noise measuring instrument according to claim 2, which is characterized in that the support leg (32) is far from the branch
One end of support platform (31), which is detachably fixed, is connected with extension bar (36).
4. portable noise measuring instrument according to claim 3, which is characterized in that the extension bar (36) is far from the branch
One end of support foot (32) is provided with non-slip rubber block (37), the one end of the non-slip rubber block (37) close to the extension bar (36)
It is fixedly connected with clamping block (371), is offered on the extension bar (36) and the clamping block (371) matched clamping slot
(361).
5. portable noise measuring instrument according to claim 4, which is characterized in that the collection microphone (23) includes separate
The measuring head (231) of one end of the tool housing (1) and the windproof sponge being fixed on the measuring head (231)
(232).
6. portable noise measuring instrument according to claim 5, which is characterized in that the measuring head (231) is close to described
One end of windproof sponge (232) is fixedly installed anticreep barb (233).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821150876.4U CN209069413U (en) | 2018-07-19 | 2018-07-19 | A kind of portable noise measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821150876.4U CN209069413U (en) | 2018-07-19 | 2018-07-19 | A kind of portable noise measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209069413U true CN209069413U (en) | 2019-07-05 |
Family
ID=67089567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821150876.4U Active CN209069413U (en) | 2018-07-19 | 2018-07-19 | A kind of portable noise measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209069413U (en) |
-
2018
- 2018-07-19 CN CN201821150876.4U patent/CN209069413U/en active Active
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