CN204027694U - Noise Test System - Google Patents
Noise Test System Download PDFInfo
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- CN204027694U CN204027694U CN201420337384.1U CN201420337384U CN204027694U CN 204027694 U CN204027694 U CN 204027694U CN 201420337384 U CN201420337384 U CN 201420337384U CN 204027694 U CN204027694 U CN 204027694U
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- 238000012360 testing method Methods 0.000 title claims abstract description 53
- 238000004519 manufacturing process Methods 0.000 claims abstract description 47
- 230000030279 gene silencing Effects 0.000 claims description 60
- 238000012546 transfer Methods 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000009183 running Effects 0.000 abstract description 14
- 239000000047 product Substances 0.000 description 61
- 238000001514 detection method Methods 0.000 description 17
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The utility model discloses a noise test system, which comprises a sound box, a digital display and a power amplifier; the mute box is arranged on one side of the production line in parallel and comprises a box body, an access door and an observation door, the access door is positioned on one side of the box body close to the production line, and the observation door is arranged opposite to the access door; the access door and the observation door are electric control doors and are respectively connected with the box body in a sliding way, and the box body, the access door and the observation door can form a closed cavity; a noise sensor is arranged in the mute box, the noise sensor is respectively and electrically connected with the digital display and the input end of the power amplifier, and the output end of the power amplifier is provided with an earphone connecting hole; conveying devices are arranged at the bottom of the sound box and the preset conveying position on the production line, and the conveying direction of the conveying devices is perpendicular to the running direction of the production line. The noise level of the product in operation can be intuitively and accurately reflected, and the consistency of the quality of the detected product is ensured.
Description
Technical field
The utility model relates to product noise measuring technical field, particularly relates to a kind of noise test macro.
Background technology
On the production line of air conditioner finished product, complete after predetermined assembly process, the test of need to turning round, so that whether the air conditioner finished product that identification has been assembled exists extremely, wherein just comprises the content measurement to noise.Traditional air conditioner finished product noise measuring is to be completed by artificial judgment, and testing staff presses close to product by ear in product running, and the sense of hearing that relies on himself judges whether the noise of product meets standard and requirement.Because air conditioner finished product is in running, there is a large amount of winds to go out, the circumstance complication at while production line place, outside interference noise is a lot, so people's ear near time can be by severe jamming, lack unified evaluation criteria, thus cannot accurately judge the true horizon of noise, so that be difficult to guarantee the consistance of air conditioner end product quality.
Utility model content
Based on this, be necessary defect and deficiency for prior art, a kind of noise test macro that can accurately judge the noise true horizon of product to be detected and carry out Efficient Evaluation is provided.
The noise test macro providing for realizing the utility model object, comprises silencing case, digital indicator and power amplifier;
Described silencing case, is set in parallel in a side of production line, comprises casing, inlet/outlet and observes door, and described inlet/outlet is positioned at described casing near a side of described production line, and described observation door and described inlet/outlet are oppositely arranged; Described inlet/outlet and observation door, be electric controlled door, be connected with described box body-sliding respectively, and when described inlet/outlet is closed with observation door, the chamber that described casing, inlet/outlet and observation door formation one are sealed;
Described silencing case inside is provided with sensor noise, and described sensor noise is electrically connected to the input end of described digital indicator and power amplifier respectively, and the output terminal of described power amplifier is provided with headset connecting hole;
In the bottom of described silencing case and described production line, default delivering position place is provided with conveyer, and the direction of transfer of described conveyer is vertical with the rotation direction of described production line.
In an embodiment, the noise test macro that the utility model provides also comprises primary importance pick-up unit, second place pick-up unit and the 3rd position detecting device therein;
Described primary importance pick-up unit, is arranged on the above default delivering position place of described production line;
Described second place pick-up unit, is arranged on the inner one end near described inlet/outlet of described silencing case;
Described the 3rd position detecting device, is arranged on described silencing case inner near described one end of observing door.
Therein in an embodiment, the noise test macro that the utility model provides also comprises controller, and described controller is electrically connected to described primary importance pick-up unit, second place pick-up unit, the 3rd position detecting device, sensor noise, conveyer, inlet/outlet and observation door respectively.
In an embodiment, described primary importance pick-up unit, second place pick-up unit and the 3rd position detecting device are grating sensor therein.
In an embodiment, described conveyer is roller chain or feed belt therein.
In an embodiment, the noise test macro that the utility model provides also comprises supporting seat therein, and described supporting seat is set in parallel in a side of described production line, and described silencing case is fixed on described supporting seat.
Therein in an embodiment, in described production line, be also provided with dog catch, described dog catch is electrically connected to described controller.
In an embodiment, on described observation door, be provided with transparent windows therein.
In an embodiment, the material of described silencing case is glass fibre therein, and its internal package has acoustical cotton.
The beneficial effects of the utility model: the noise test macro that the utility model provides, by product to be detected is put in silencing case, isolate interference from outside source, obtains the inner real noise level of silencing case by the inner sensor noise arranging of silencing case.Simultaneously, utilize the noise that power amplifier collects sensor noise to amplify, by wearing headset running produces to product noise or abnormal sound, differentiate, the noise finally by digital indicator, sensor noise being collected directly shows, the intuitive and accurate product noise level in when operation that reflects, has guaranteed the consistance of testing product quality.
Accompanying drawing explanation
In order to make object, technical scheme and the advantage of noise test macro of the present utility model clearer, below in conjunction with concrete drawings and the specific embodiments, noise test macro of the present utility model is further elaborated.
Fig. 1 is the structural representation of an embodiment of noise test macro of the present utility model;
Fig. 2 is the vertical view of the noise test macro shown in Fig. 1;
Fig. 3 is the left view of the noise test macro shown in Fig. 1;
When Fig. 4 is the product introduction silencing case to be detected shown in Fig. 1, the structural representation of noise test macro of the present utility model;
Fig. 5 is the front view of the noise test macro shown in Fig. 4;
Fig. 6 is the B-B schematic diagram of Fig. 5;
Fig. 7 is while detecting after the product introduction silencing case to be detected shown in Fig. 1, the structural representation of noise test macro of the present utility model;
Fig. 8 is the front view of the noise test macro shown in Fig. 7;
Fig. 9 is the B-B schematic diagram of Fig. 8;
Figure 10 is that the material of the silencing case in noise test macro of the present utility model forms schematic diagram.
Embodiment
Below in conjunction with embodiment, describe the utility model in detail.It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.
Referring to Fig. 1 to Fig. 9, an embodiment of the noise test macro that the utility model provides, comprise silencing case 100, digital indicator 200 and power amplifier 300, wherein, silencing case 100 is set in parallel in a side of production line 10, and it is fixing with production line 10 that it can pass through screw, bolt etc.Particularly, silencing case 100 comprises casing 110, inlet/outlet 120 and observation door 130, and inlet/outlet 120 is positioned at casing 110 near a side of production line 10, observes door 130 and is oppositely arranged with inlet/outlet 120.Inlet/outlet 120 and observation door 130 are electric controlled door, under the driving of cylinder, are slidably connected respectively with casing 110, can slide up and down along casing, have opening and closing two states.When inlet/outlet 120 with when observing door 130 and closing, casing 110, inlet/outlet 120 and observe the chamber that door 130 forms a sealing, silencing case 100 now seals completely.
Inlet/outlet 120 is for the production of the turnover of the product to be detected 20 on streamline 10.The convenient operation person that arranges who observes door 130 observes the internal state of silencing case 100 at opposite side.Further, observe on door 130 and be provided with transparent windows 131.
Silencing case 100 inside are provided with sensor noise 140, sensor noise 140 is electrically connected to the input end of digital indicator 200 and power amplifier 300 respectively by cable, the output terminal of power amplifier 300 is provided with headset connecting hole, and the noise signal that sensor noise 140 can be collected transfers to headset after amplifying.In the bottom of silencing case 100 and production line 10, default delivering position place is provided with conveyer 400, and the direction of transfer of conveyer 400 is vertical with the rotation direction of production line 10.
Referring to Fig. 1 to Fig. 6, the default delivering position in production line 10 is over against silencing case 100.Product 20 to be detected advances along production line 10, when product 20 to be detected arrives this default delivering position along production line 10, open the inlet/outlet 120 of silencing case 100 and observe door 130, then controlling conveyer 400 rises, hold up product 20 to be detected, towards silencing case 100 place directions, move, product 20 to be detected is delivered to silencing case inside.When judgement product 20 to be detected arrives behind the detection position of silencing case 100 inside, close the inlet/outlet 120 of silencing case 100 and observe door 130, open product 20 to be detected, make it in normal operation, then just can start to carry out noise test.
Referring to Fig. 7 to Fig. 9, the detailed process of test is: sensor noise 140 gathers the noise signal of silencing case 100 inside, and the noise signal collecting is transferred to digital indicator 200 show, the noise signal collecting is transferred to power amplifier 300 simultaneously, after power amplifier 300 amplifies, transfer to headset.Testing staff is by observing the running noise level showing on digital indicator 200, whether the running noise that just can judge product to be detected exceeds standard, find that there is noise level and surpass preset standard, roll off the production line and reprocess, within qualified finished product machine noise level is controlled to critical field.Testing staff is by wearing headset simultaneously, can also judge in the running noise of product 20 to be detected whether have abnormal sound or noise, if find to have abnormal sound or noise, illustrate that product exists quality problems, need roll off the production line to verify and reprocess, further guarantee the quality of qualified finished product.
More preferably, before opening product 20 to be detected, background noise when control noise sensor 140 collection product 20 to be detected does not turn round in silencing case, and background noise is transferred on digital indicator 200 and shown and record.After opening product 20 to be detected, noise signal when control noise sensor 140 gathers product 20 running to be detected in silencing case, and itself and background noise are jointly transferred on digital indicator 200 and shown, form like this contrast, can accurately detect the running noise level of product 20 to be detected.
After test finishes, open the inlet/outlet 120 of silencing case 100 and observe door 130, controlling conveyer 400 running in the other direction, the finished product that completes detection is delivered in production line 10.Conventionally, product 20 to be detected can be fixed on a board 30, it is moved along production line 10, to avoid the lower surface for the treatment of testing product 20 to cause wearing and tearing.
The noise test macro that the utility model provides, by silencing case 100, digital indicator 200 and power amplifier 300 are set, has coordinated the detection of product noise with production line 10.It is put into product 20 to be detected in silencing case 100, and isolate interference from outside source obtains the inner real noise level of silencing case 100 by the inner sensor noise arranging 140 of silencing case 100.Simultaneously, the noise that utilizes 300 pairs of sensor noises 140 of power amplifier to collect amplifies, by wearing headset running produces to product noise or abnormal sound, differentiate, the noise finally by digital indicator 200, sensor noise 140 being collected directly shows, the intuitive and accurate noise level that reflects, to guarantee the quality of product and the accuracy of measurement.
As a kind of embodiment, noise test macro of the present utility model also comprises primary importance pick-up unit 500 (referring to Fig. 2), second place pick-up unit 600 and the 3rd position detecting device 700.Wherein, primary importance pick-up unit 500 is arranged in production line, for detection of whether needing testing product 20 along the production line default delivering position of 10 arrival place.Second place pick-up unit 600 is arranged on the inner one end near inlet/outlet 120 of silencing case 100, whether enters the inside of silencing case 100 for detection of product 20 to be detected completely.The 3rd position detecting device 700 is arranged on the inner one end near observing door 130 of silencing case 100, the detection position in silencing case 100 inside whether for detection of product to be detected 20.
Primary importance pick-up unit 500, second place pick-up unit 600 and the 3rd position detecting device 700 can be various proximity sensors or contact position transducer.Primary importance pick-up unit 500 in the present embodiment, second place pick-up unit 600 and the 3rd position detecting device 700 all adopt that size is little, lightweight, multiplexing capacity is strong, highly sensitive grating sensor, are convenient in production line 10, install and use.
In the noise test macro that above-described embodiment provides, the switch of each assembly is controlled all and can also can be realized robotization and control and detect by completing manually, specific as follows:
As a kind of embodiment, noise test macro of the present utility model also comprises controller, and controller is electrically connected to primary importance pick-up unit 500, second place pick-up unit 600, the 3rd position detecting device 700, sensor noise 140, conveyer 400, inlet/outlet 120 and observation door 130 respectively.
When detecting, primary importance pick-up unit 500 needs testing product 20 while arriving default delivering position place along production line 10, to controller, send detection signal, now product 20 to be detected is over against silencing case 100, controller is controlled inlet/outlet 120 and is observed door 130 and open, control conveyer 400 rises simultaneously, hold up product 20 to be detected, towards silencing case 100 place directions, move, product 20 to be detected is delivered to silencing case 100 inside; When second place pick-up unit 600 detects product 20 to be detected and enters the inside of silencing case 100 completely, to controller, send detection signal, controller controls inlet/outlet 120 and cuts out; When the 3rd position detecting device 700 detects product 20 to be detected and has arrived the detection position of silencing case 100 inside, to controller, send detection signal, controller controlled observation door 130 is closed, and controls the connecting lines such as socket power and connect, open product 20 to be detected, enter automatic test phase.
After test finishes, controller is controlled inlet/outlet 120 and is observed door 130 and open, and controls conveyer 400 running in the other direction, and the product that completes detection is delivered in production line 10.
As a kind of embodiment, conveyer 400 can be roller chain or feed belt.As shown in Figure 1 to Figure 2, default delivering position place in production line 10 and silencing case 100 bottoms arrange 2 roller chains respectively, be total up to 4, corresponding between two, be arranged in parallel, as long as control its rotation direction, can realize production line 10 product 20 to be detected is delivered to silencing case 100 inside, or from silencing case 100 inside, the product that completes detection is delivered to production line 10.
As a kind of embodiment, noise test macro of the present utility model also comprises supporting seat 800, and supporting seat 800 is set in parallel in a side of production line 10, and silencing case 100 is fixed on supporting seat 800, and Stability Analysis of Structures, is convenient to installing/dismounting.
Referring to Fig. 2, as a kind of embodiment, the default delivering position place in production line 10 is provided with dog catch 900, and dog catch 900 is electrically connected to controller.When detecting, primary importance pick-up unit 500 needs testing product 20 while arriving default delivering position place along production line 10, to controller, send detection signal, controller is controlled dog catch 900 and is upspring, and product 20 to be detected is blocked in to default delivering position place, makes it over against silencing case 100.The setting of dog catch 900 is equivalent to increase a safeguard measure; in above-described embodiment; when detecting, primary importance pick-up unit 500 needs testing product 20 while arriving default delivering position place along production line 10; controller can be controlled conveyer 400 and rise; hold up product 20 to be detected, towards silencing case 100 place directions, move.But if production line 10 runnings are too fast, product 20 to be detected is likely crossed conveyer under inertia effect.The setting of dog catch 900 just can be avoided the generation of this situation completely, realizes more reliably product 20 to be detected is blocked in to default delivering position place.
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 and exocuticle 114, and this structural design can play soundproof effect preferably.
The noise test macro that the utility model provides, not only can be applied to air-conditioning finished product detection, equally also can be applied to the detection of other electronic products.Avoided the unreliability of manual detection and the diversity of test stone, it can detect the running noise signal of product accurately, and reflects intuitively, has guaranteed the consistance of testing product quality.
Above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (9)
1. a noise test macro, is characterized in that, comprises silencing case, digital indicator and power amplifier;
Described silencing case, is set in parallel in a side of production line, comprises casing, inlet/outlet and observes door, and described inlet/outlet is positioned at described casing near a side of described production line, and described observation door and described inlet/outlet are oppositely arranged; Described inlet/outlet and observation door, be electric controlled door, be connected with described box body-sliding respectively, and when described inlet/outlet is closed with observation door, the chamber that described casing, inlet/outlet and observation door formation one are sealed;
Described silencing case inside is provided with sensor noise, and described sensor noise is electrically connected to the input end of described digital indicator and power amplifier respectively, and the output terminal of described power amplifier is provided with headset connecting hole;
In the bottom of described silencing case and described production line, default delivering position place is provided with conveyer, and the direction of transfer of described conveyer is vertical with the rotation direction of described production line.
2. noise test macro according to claim 1, is characterized in that, also comprises primary importance pick-up unit, second place pick-up unit and the 3rd position detecting device;
Described primary importance pick-up unit, is arranged on the above default delivering position place of described production line;
Described second place pick-up unit, is arranged on the inner one end near described inlet/outlet of described silencing case;
Described the 3rd position detecting device, is arranged on described silencing case inner near described one end of observing door.
3. noise test macro according to claim 2, it is characterized in that, also comprise controller, described controller is electrically connected to described primary importance pick-up unit, second place pick-up unit, the 3rd position detecting device, sensor noise, conveyer, inlet/outlet and observation door respectively.
4. noise test macro according to claim 3, is characterized in that, described primary importance pick-up unit, second place pick-up unit and the 3rd position detecting device are grating sensor.
5. according to the noise test macro described in claim 1 to 4 any one, it is characterized in that, described conveyer is roller chain or feed belt.
6. according to the noise test macro described in claim 1 to 4 any one, it is characterized in that, also comprise supporting seat, described supporting seat is set in parallel in a side of described production line, and described silencing case is fixed on described supporting seat.
7. noise test macro according to claim 3, is characterized in that, in described production line, is also provided with dog catch, and described dog catch is electrically connected to described controller.
8. according to the noise test macro described in claim 1 to 4 any one, it is characterized in that, on described observation door, be provided with transparent windows.
9. according to the noise test macro described in claim 1 to 4 any one, it is characterized in that, the material of described silencing case is glass fibre, and its internal package has acoustical cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420337384.1U CN204027694U (en) | 2014-06-23 | 2014-06-23 | Noise Test System |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420337384.1U CN204027694U (en) | 2014-06-23 | 2014-06-23 | Noise Test System |
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| CN204027694U true CN204027694U (en) | 2014-12-17 |
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| CN201420337384.1U Expired - Fee Related CN204027694U (en) | 2014-06-23 | 2014-06-23 | Noise Test System |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104165687A (en) * | 2014-06-23 | 2014-11-26 | 珠海格力电器股份有限公司 | noise testing system and method |
| CN110823552A (en) * | 2019-12-17 | 2020-02-21 | 万向钱潮（上海）汽车系统有限公司 | Electronic parking caliper noise measurement device and measurement method |
| CN113720440A (en) * | 2021-08-25 | 2021-11-30 | 无锡普天铁心股份有限公司 | Transformer core silence test system |
| CN117834854A (en) * | 2024-03-04 | 2024-04-05 | 四川辰宇微视科技有限公司 | Continuous detection device and method for color CMOS camera noise |
-
2014
- 2014-06-23 CN CN201420337384.1U patent/CN204027694U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104165687A (en) * | 2014-06-23 | 2014-11-26 | 珠海格力电器股份有限公司 | noise testing system and method |
| CN104165687B (en) * | 2014-06-23 | 2017-02-08 | 珠海格力电器股份有限公司 | noise testing method |
| CN110823552A (en) * | 2019-12-17 | 2020-02-21 | 万向钱潮（上海）汽车系统有限公司 | Electronic parking caliper noise measurement device and measurement method |
| CN110823552B (en) * | 2019-12-17 | 2022-04-22 | 万向钱潮（上海）汽车系统有限公司 | Electronic parking caliper noise measurement device and measurement method |
| CN113720440A (en) * | 2021-08-25 | 2021-11-30 | 无锡普天铁心股份有限公司 | Transformer core silence test system |
| CN117834854A (en) * | 2024-03-04 | 2024-04-05 | 四川辰宇微视科技有限公司 | Continuous detection device and method for color CMOS camera noise |
| CN117834854B (en) * | 2024-03-04 | 2024-05-07 | 四川辰宇微视科技有限公司 | Continuous detection device and method for color CMOS camera noise |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20210623 |
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| CF01 | Termination of patent right due to non-payment of annual fee |