CN104165687B - Noise test method - Google Patents
Noise test method Download PDFInfo
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- CN104165687B CN104165687B CN201410284201.9A CN201410284201A CN104165687B CN 104165687 B CN104165687 B CN 104165687B CN 201410284201 A CN201410284201 A CN 201410284201A CN 104165687 B CN104165687 B CN 104165687B
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- noise
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- silencing case
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Abstract
A noise test method comprises the following steps that S100, a stopper is controlled to rise, so that a to-be-detected product right faces a silent box; S200, an entering-existing door and an observing door of the silent box are opened; S300, a conveying device is controlled to operate, and the to-be-detected product is conveyed into the silent box; S400, the entering-existing door and the observing door of the silent box are closed; S500, the -be-detected product is started, a noise sensor starts to collect noise signals and transmit the noise signals to a digital displayer to be displayed, and meanwhile, the noise signals are transmitted to a power amplifier and transmitted to a headset after being amplified through the power amplifier; S600, detection personnel judge whether the operation noise of the to-be-detected product exceeds standards and the to-be-detected product has abnormal sound or noise by observing the operation noise level displayed on the digital displayer and wearing the headset; and S700, the entering-existing door and the observing door of the silent box are opened, and the product is conveyed to a production line. The noise test system can directly and accurately reflect noise level of a product in operation, and ensures consistency of detection of product quality.
Description
Technical field
The present invention relates to product noise measuring technical field, more particularly to a kind of Noise Testing.
Background technology
On the production line of air-conditioner finished product, after completing predetermined assembly process, need to carry out operating test so that identification dress
Join the air-conditioner finished product completing to whether there is extremely, wherein just include the test content to noise.Traditional air-conditioner finished product is made an uproar
Sound detection is to be completed by artificial judgment, and that is, ear is pressed close to product when product operates by testing staff, relies on its own
Audition judges noise whether conformance with standard and the requirement of product.Because air-conditioner finished product is when operating, there is substantial amounts of wind
Go out, the environment that production line is located simultaneously is complicated, outside interference noise is a lot, thus human ear near when can be lacked by severe jamming
Weary unified evaluation criteria, so the true horizon of noise cannot accurately be judged, so that be difficult to ensure that air-conditioner end product quality
Concordance.
Content of the invention
Based on this it is necessary to the defect for prior art and deficiency, one kind is provided can accurately to judge product to be detected
Noise true horizon and the Noise Testing effectively assessed.
A kind of Noise Testing providing for realizing the object of the invention, comprises the following steps：
S100, when the product arrival to be detected default transmission position in production line is detected, controls and is arranged on institute
State stopper in production line to rise, stop that described product to be detected continues to move ahead along described production line so that institute
State product to be detected just to the silencing case being arranged on described production line side；
S200, opens the inlet/outlet of described silencing case and observes door；
S300, controls the transporter of corresponding position in the bottom being arranged on described silencing case and described production line
Operating, described product to be detected is delivered to inside described silencing case；
S400, after the test position within the described product described silencing case of arrival to be detected is detected, closes described quiet
The inlet/outlet of audio amplifier and observation door, control described stopper to drop to initial position；
S500, opens described product to be detected, controls the sensor noise within described silencing case to start to gather noise letter
Number, and the noise signal collecting transmitted shown to character display, simultaneously by the noise signal collecting transmit to
Power amplifier, transmits to headset after amplifying through described power amplifier；
S600, testing staff passes through to observe the running noise level of display on described character display, judges described to be checked
Whether the running noise surveying product is exceeded, simultaneously by wearing described headset, judges in the running noise of described product to be detected
With the presence or absence of abnormal sound or noise；
S700, after test terminates, opens the inlet/outlet of described silencing case and observes door, control described transporter opposite direction
Operating, the product completing to detect is delivered in described production line.
Wherein in an embodiment, after described product to be detected is sent into described silencing case, open described to be checked
Further comprising the steps of before surveying product：
S510, controls the background that described sensor noise gathers in described silencing case when described product to be detected does not operate to make an uproar
Message number, and described background noise is transmitted shown to described character display and record.
Beneficial effects of the present invention：The Noise Testing that the present invention provides, by being put into silencing case by product to be detected
Interior, completely cut off external interference source, the internal real noise level of silencing case is obtained by the sensor noise of setting inside silencing case.
Meanwhile, using power amplifier, the noise that sensor noise collects is amplified, by wearing headset, product operating is produced
Raw noise or abnormal sound are differentiated, and directly display out, finally by character display, the noise that sensor noise collects
Come, the intuitive and accurate noise level reflecting during product operation is it is ensured that detect the concordance of product quality.
Brief description
In order that the purpose of the Noise Testing of the present invention, technical scheme and advantage become more apparent, below in conjunction with
Concrete drawings and the specific embodiments, are further elaborated to the Noise Testing of the present invention.
Fig. 1 is the structural representation of an embodiment of noise test system of the present invention；
Fig. 2 is the top view of the noise test system shown in Fig. 1；
Fig. 3 is the left view of the noise test system shown in Fig. 1；
When Fig. 4 is that the product to be detected shown in Fig. 1 enters silencing case, the structural representation of the noise test system of the present invention
Figure；
Fig. 5 is the front view of the noise test system shown in Fig. 4；
Fig. 6 is the B-B schematic diagram of Fig. 5；
When Fig. 7 is to be detected after the product to be detected shown in Fig. 1 enters silencing case, the noise test system of the present invention
Structural representation；
Fig. 8 is the front view of the noise test system shown in Fig. 7；
Fig. 9 is the B-B schematic diagram of Fig. 8；
Figure 10 is the material composition schematic diagram of the silencing case in the noise test system of the present invention.
Specific embodiment
To describe the present invention below in conjunction with embodiment in detail.It should be noted that in the case of not conflicting, the application
In embodiment and the feature in embodiment can be mutually combined.
One embodiment of the noise test system providing referring to Fig. 1 to Fig. 9, the present invention, including silencing case 100, numeral
Display 200 and power amplifier 300, wherein, silencing case 100 is set in parallel in the side of production line 10, and it can lead to
Cross screw, bolt etc. fixing with production line 10.Specifically, silencing case 100 includes casing 110, inlet/outlet 120 and observes
Door 130, inlet/outlet 120 is located at casing 110 near the side of production line 10, observes that door 130 is relative with inlet/outlet 120 to be set
Put.Inlet/outlet 120 and observe door 130 and be electric controlled door, is slidably connected with casing 110 under the driving of cylinder respectively, can be along
Casing slides up and down, and has opening and closing two states.When inlet/outlet 120 and observation door 130 are closed, casing 110, turnover
Door 120 and observation door 130 form a chamber closed, and that is, silencing case 100 now fully seals.
Inlet/outlet 120 is used for the turnover of the product to be detected 20 in production line 10.The setting observing door 130 is easy to grasp
Work person observes to the internal state of silencing case 100 in opposite side.Further, observe and be provided with transparent observing on door 130
Window 131.
Sensor noise 140 is installed inside silencing case 100, sensor noise 140 pass through cable respectively with numerical monitor
The input electrical connection of device 200 and power amplifier 300, the outfan of power amplifier 300 is provided with headset connecting hole, permissible
The noise signal that sensor noise 140 is collected transmits to headset after amplifying.The bottom of silencing case 100 and production line 10
It is provided with transporter 400, the operating side of the direction of transfer of transporter 400 and production line 10 at upper default transmission position
To vertical.
Referring to Fig. 1 to Fig. 6, the default transmission position in production line 10 is just to silencing case 100.Product 20 edge to be detected
Production line 10 is advanced, and when product 20 to be detected reaches this default transmission position along production line 10, opens quiet
The inlet/outlet 120 of case 100 and observe door 130, then controls transporter 400 to rise, holds up product 20 to be detected, towards quiet
Case 100 place direction is moved, and product 20 to be detected is delivered to inside silencing case.When judging that product 20 to be detected reaches silencing case
After test position within 100, close the inlet/outlet 120 of silencing case 100 and observe door 130, open product 20 to be detected so as to
It is in normal operation, then just can proceed by noise test.
Referring to Fig. 7 to Fig. 9, the detailed process of test is：Sensor noise 140 gathers the noise letter within silencing case 100
Number, and the noise signal collecting is transmitted shown to character display 200, the noise signal collecting is transmitted simultaneously
To power amplifier 300, transmit to headset after amplifying through power amplifier 300.Testing staff passes through to observe character display 200
The running noise level of upper display it is possible to judge product to be detected running noise whether exceeded, find have noise level to surpass
Cross preset standard, offline reprocess, qualified finished product machine noise level is controlled within critical field.Testing staff passes through simultaneously
Wear headset, can also judge in the running noise of product 20 to be detected whether there is abnormal sound or noise, if find exist different
Ring or noise, then explanation product has quality problems, need offline verification to reprocess, be further ensured that the quality of qualified finished product.
More preferably, before opening product 20 to be detected, control noise sensor 140 gathers product 20 to be detected and does not operate
When silencing case in background noise, and background noise is transmitted shown to character display 200 and record.
Noise letter after opening product 20 to be detected, in silencing case when control noise sensor 140 gathers product 20 operating to be detected
Number, and by its with background noise common transport to character display 200 on shown, be so contrasted, can be accurate
Detect the running noise level of product 20 to be detected.
After test terminates, open the inlet/outlet 120 of silencing case 100 and observe door 130, control transporter 400 opposite direction
Operating, the finished product completing to detect is delivered in production line 10.Generally, product 20 to be detected can be fixed on one piece of technique
So as to move along production line 10 on plate 30, to avoid the lower surface of product 20 to be detected being caused wear and tear.
The noise test system that the present invention provides, by arranging silencing case 100, character display 200 and power amplification
Device 300, completes the detection of product noise with production line 10 cooperation.Product 20 to be detected is put in silencing case 100 for it, every
External interference source absolutely, obtains the internal real noise of silencing case 100 by the sensor noise 140 of the internal setting of silencing case 100
Level.Meanwhile, it is amplified using the noise that power amplifier 300 collects to sensor noise 140, by wearing headset pair
The noise that product operating produces or abnormal sound are differentiated, and collect sensor noise 140 finally by character display 200
Noise directly displays out, intuitive and accurate reflect noise level, with ensure product quality and measurement accuracy.
As a kind of embodiment, the noise test system of the present invention also include primary importance detection means 500 (referring to
Fig. 2), second position detection means 600 and the 3rd position detecting device 700.Wherein, primary importance detection means 500 is arranged
In production line, for detecting whether there being product 20 to be detected to reach at default transmission position along production line 10.
Second position detection means 600 is arranged on the internal one end near inlet/outlet 120 of silencing case 100, for detecting product to be detected
20 whether inside completely into silencing case 100.3rd position detecting device 700 is arranged on the internal close observation of silencing case 100
One end of door 130, for detecting whether product 20 to be detected is in the test position within silencing case 100.
Primary importance detection means 500, second position detection means 600 and the 3rd position detecting device 700 can be
Various proximity sensors or contact position sensor.Primary importance detection means 500 in the present embodiment, second position inspection
Survey device 600 and the 3rd position detecting device 700 all using size little, lightweight, multiplexing capacity is strong, highly sensitive grating
Sensor, is easy to be installed in production line 10 and use.
In the noise test system that above-described embodiment provides, the on-off control of each assembly all can pass through manually complete
Become, also can achieve Automated condtrol and detection, specific as follows：
As a kind of embodiment, the noise test system of the present invention also includes controller, and controller is respectively with first
Position detecting device 500, second position detection means 600, the 3rd position detecting device 700, sensor noise 140, transmission dress
Put 400, inlet/outlet 120 and observation door 130 electrically connects.
Reach default transmission when primary importance detection means 500 has detected product 20 to be detected along production line 10
When at position, send detection signal to controller, now just to silencing case 100, controller controls inlet/outlet to product 20 to be detected
120 open with observing door 130, control transporter 400 to rise simultaneously, hold up product 20 to be detected, be located towards silencing case 100
Direction is moved, and product 20 to be detected is delivered to inside silencing case 100；When second position detection means 600 detect to be detected
Product 20 completely into silencing case 100 inside when, send detection signal to controller, controller controls inlet/outlet 120 to cut out；
When the 3rd position detecting device 700 detects product 20 to be detected and reached the test position within silencing case 100, to control
Device sends detection signal, and controller controlled observation door 130 is closed, and controls the connecting lines such as socket power to connect, and opens to be detected
Product 20, enters automatic test phase.
After test terminates, controller controls inlet/outlet 120 and observation door 130 to open, and controls transporter 400 opposite direction fortune
Turn, the product completing to detect is delivered in production line 10.
As a kind of embodiment, transporter 400 can be roller chain or feed belt.As shown in Figure 1 to Figure 2,
Respectively at the default transmission position in production line 10 and silencing case 100 bottom arrange 2 roller chains, be total up to 4, two
Two is corresponding, be arranged in parallel, as long as controlling its rotation direction, you can realizes conveying product 20 to be detected from production line 10
To silencing case 100, or inside silencing case 100, the product completing to detect is delivered to production line 10.
As a kind of embodiment, the noise test system of the present invention also includes support base 800, and support base 800 is parallel
It is arranged on the side of production line 10, silencing case 100 is fixed on support base 800, Stability Analysis of Structures is easily installed dismounting.
Referring to Fig. 2, as a kind of embodiment, at the default transmission position in production line 10, it is provided with stopper
900, stopper 900 is electrically connected with the controller.When primary importance detection means 500 has detected product to be detected 20 along production
When streamline 10 reaches at default transmission position, send detection signal to controller, controller controls stopper 900 to upspring, will
Product 20 to be detected is blocked at default transmission position so as to just to silencing case 100.The setting of stopper 900 is equivalent to increase
One protective measure, in above-described embodiment, when primary importance detection means 500 has detected product to be detected 20 along production
When streamline 10 reaches at default transmission position, controller can control transporter 400 to rise, and holds up product 20 to be detected, court
Move to silencing case 100 place direction.But, if production line 10 operates too fast, product 20 to be detected is possible to used
Property effect under cross transporter.The setting of stopper 900 just can avoid the generation of this situation completely, more reliable realization
Product 20 to be detected is blocked at default transmission position.
As a kind of embodiment, the material of silencing case 100 is glass fibre 113, and its internal package has acoustical cotton
111.Referring to Figure 10, the concrete structure of silencing case 100 is from inside to outside followed successively by acoustical cotton 111, endepidermis 112, glass fibre 113
With exocuticle 114, this structure design, can preferably play soundproof effect.
Based on same design, the present invention also provides a kind of Noise Testing, comprises the following steps：
S100, when the product arrival to be detected default transmission position in production line is detected, controls and is arranged on life
The stopper producing on streamline rises, and stops that product to be detected continues to move ahead along production line so that product to be detected is just right
It is arranged on the silencing case of production line side；
S200, opens the inlet/outlet of silencing case and observes door；
S300, controls the transporter operating of corresponding position in the bottom being arranged on silencing case and production line, will
Product to be detected is delivered to inside silencing case；
S400, after the test position that product to be detected reaches within silencing case is detected, closes the inlet/outlet of silencing case
With observation door, stopper is controlled to drop to initial position；
S500, opens product to be detected, controls the sensor noise within silencing case to start to gather noise signal, and will adopt
The noise signal collecting transmits and is shown to character display, transmits the noise signal collecting to power amplification simultaneously
Device, transmits to headset after amplifying through power amplifier；
S600, testing staff passes through to observe the running noise level of display on character display, judges product to be detected
Whether running noise is exceeded, simultaneously by wearing headset, judges to whether there is abnormal sound or miscellaneous in the running noise of product to be detected
Sound；
S700, after test terminates, opens the inlet/outlet of silencing case and observes door, control the operating of transporter opposite direction, will
The product completing to detect is delivered in production line.
Further, after product to be detected is sent into silencing case, before opening product to be detected, also include following step
Suddenly：
S510, the background noise in silencing case when control noise sensor acquisition product to be detected does not operate, and will
Background noise is transmitted and is shown to character display and record.
The noise test system and method that the present invention provides, can be applied not only to air-conditioning finished product detection, equally can also
It is applied to the detection of other electronic products.Avoid the unreliability of manual detection and the multiformity of touchstone, its energy
Enough accurate running noise signals to product detect, and intuitively reflect it is ensured that detecting the one of product quality
Cause property.
Above example only have expressed the several embodiments of the present invention, and its description is more concrete and detailed, but can not
Therefore it is interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art,
Without departing from the inventive concept of the premise, some deformation can also be made and improve, these broadly fall into the protection model of the present invention
Enclose.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (2)
1. a kind of Noise Testing is it is characterised in that comprise the following steps：
S100, when the product arrival to be detected default transmission position in production line is detected, controls and is arranged on described life
The stopper producing on streamline rises, and stops that described product to be detected continues to move ahead so that described treat along described production line
Detection product is just to the silencing case being arranged on described production line side；
S200, opens the inlet/outlet of described silencing case and observes door；
S300, controls the transporter fortune of corresponding position in the bottom being arranged on described silencing case and described production line
Turn, described product to be detected is delivered to inside described silencing case；
S400, after the test position within the described product described silencing case of arrival to be detected is detected, closes described silencing case
Inlet/outlet and observe door, control described stopper drop to initial position；
S500, opens described product to be detected, controls the sensor noise within described silencing case to start to gather noise signal, and
The noise signal collecting is transmitted and is shown to character display, the noise signal collecting is transmitted simultaneously and put to power
Big device, transmits to headset after amplifying through described power amplifier；
S600, testing staff passes through to observe the running noise level of display on described character display, judges described product to be detected
Whether whether the running noise of product is exceeded, simultaneously by wearing described headset, judge in the running noise of described product to be detected
There is abnormal sound or noise；
S700, after test terminates, opens the inlet/outlet of described silencing case and observes door, controls described transporter opposite direction fortune
Turn, the product completing to detect is delivered in described production line.
2. Noise Testing according to claim 1 it is characterised in that will described product to be detected send into described quiet
After audio amplifier, further comprising the steps of before opening described product to be detected：
S510, controls described sensor noise to gather the background noise letter in described silencing case when described product to be detected does not operate
Number, and described background noise is transmitted shown to described character display and record.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410284201.9A CN104165687B (en) | 2014-06-23 | 2014-06-23 | Noise test method |
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|---|---|---|---|
| CN201410284201.9A CN104165687B (en) | 2014-06-23 | 2014-06-23 | Noise test method |
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| CN104165687A CN104165687A (en) | 2014-11-26 |
| CN104165687B true CN104165687B (en) | 2017-02-08 |
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| CN201410284201.9A Active CN104165687B (en) | 2014-06-23 | 2014-06-23 | Noise test method |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107328565A (en) * | 2017-07-31 | 2017-11-07 | 南京佳业检测工程有限公司 | A kind of on-line detecting instrument for safety valve |
| CN107548008A (en) * | 2017-08-15 | 2018-01-05 | 怀集县正华电器有限公司 | A kind of sound equipment tester |
| CN108872392B (en) * | 2018-05-16 | 2020-11-17 | 浙江西溪玻璃有限公司 | Automatic detection device for sound insulation effect of glass and automatic control method thereof |
| CN110589457B (en) * | 2019-08-20 | 2021-06-22 | 张美华 | Equipment and method for detecting running noise of vane pump |
| CN110702217B (en) * | 2019-11-15 | 2021-07-27 | 日本电产科宝(浙江)有限公司 | Noise detection device |
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|---|---|---|---|---|
| CN2340140Y (en) * | 1998-05-01 | 1999-09-22 | 四川长虹电子集团公司 | Checking instrument for television set |
| CN202075036U (en) * | 2011-04-27 | 2011-12-14 | 芜湖莫森泰克汽车科技有限公司 | Automatic transmission device for supplementing mute chamber detection |
| CN102505873A (en) * | 2011-10-28 | 2012-06-20 | 东莞市伟创东洋自动化设备有限公司 | On-line noise testing room of air conditioner |
| CN204027694U (en) * | 2014-06-23 | 2014-12-17 | 珠海格力电器股份有限公司 | Noise test macro |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3562151B2 (en) * | 1996-07-09 | 2004-09-08 | 株式会社デンソー | Product inspection system using a robot device |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2340140Y (en) * | 1998-05-01 | 1999-09-22 | 四川长虹电子集团公司 | Checking instrument for television set |
| CN202075036U (en) * | 2011-04-27 | 2011-12-14 | 芜湖莫森泰克汽车科技有限公司 | Automatic transmission device for supplementing mute chamber detection |
| CN102505873A (en) * | 2011-10-28 | 2012-06-20 | 东莞市伟创东洋自动化设备有限公司 | On-line noise testing room of air conditioner |
| CN204027694U (en) * | 2014-06-23 | 2014-12-17 | 珠海格力电器股份有限公司 | Noise test macro |
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