CN110702217A - Noise detection device - Google Patents
Noise detection device Download PDFInfo
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- CN110702217A CN110702217A CN201911120869.9A CN201911120869A CN110702217A CN 110702217 A CN110702217 A CN 110702217A CN 201911120869 A CN201911120869 A CN 201911120869A CN 110702217 A CN110702217 A CN 110702217A
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- door
- opening
- case
- noise detecting
- detecting apparatus
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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- General Physics & Mathematics (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention provides noise detection equipment, which can reduce the steps of noise detection operation and reduce the labor cost. The noise detection device (1) comprises: an outer case (2) having a substantially box-like shape, a first opening (21) formed in one side wall thereof, and an outer door (20) rotatable about a first axis (L1) to open and close the first opening; an inner case (3) having a second opening (31) in one wall portion and an inner door (30) that can open and close the second opening (31) by rotating about a second axis (L2) parallel to the first axis; the noise induction mechanism is arranged in the inner shell; and a transmission mechanism (4) which connects the inner door and the outer door so that the inner door and the outer door operate in a linked manner, and which opens the second opening and faces the first opening when the outer door opens the first opening, and synchronously closes the second opening when the outer door rotates to a position where the first opening is closed.
Description
Technical Field
The present invention relates to a noise detecting apparatus, and more particularly, to a noise detecting apparatus including a multilayer casing.
Background
At present, functional components such as a lift lens and a rear lens are widely used in electronic products such as mobile phones and cameras. If the sound generated by these functional components during the operation process is too loud when using the electronic product, it may cause a bad experience for the user. Therefore, in the production process, after the functional components are assembled, noise generated by the functional components during operation is often detected by a noise detection device and controlled within a predetermined range. However, in general, environmental noise in a production plant is large, which interferes with noise detection of functional components, and thus, direct noise detection is not possible. Conventionally, noise detection devices having a multilayer casing (for example, a double casing) have been generally used to detect noise of functional components.
However, when the worker sets the functional components to the noise detecting apparatus having the double-casing structure, the worker may need to perform the following five steps: 1 opening an outer door of an outer shell; 2 opening the inner door of the inner shell; 3, arranging the noise induction mechanism in the inner shell; 4, closing the inner door of the inner shell; 5 the outer door of the outer casing is closed. Thus, the noise detection operation has many steps and a large amount of labor is consumed, which leads to an increase in labor cost.
Disclosure of Invention
The present invention has been made in view of the above problems, and an object of the present invention is to provide a noise detection device capable of reducing the number of steps for noise detection work and reducing labor cost.
In order to achieve the above object, a first aspect of the present invention provides a noise detection device, comprising: an outer case having a substantially box-like shape, a first opening formed in a side wall thereof, and an outer door capable of rotating around a first axis with respect to a main body of the outer case to open and close the first opening; an inner case located inside the outer case, having a second opening in one wall portion, and having an inner door that is rotatable about a second axis parallel to the first axis with respect to a main body of the inner case to open and close the second opening; the noise induction mechanism is arranged inside the inner shell; and a transmission mechanism that connects the inner door and the outer door so that the inner door and the outer door operate in a linked manner in rotation, and that causes the inner door to open the second opening and cause the second opening to face the first opening when the outer door opens the first opening, and causes the inner door to close the second opening synchronously when the outer door rotates to a position that closes the first opening.
According to the above configuration, by connecting the outer door of the outer casing and the inner door of the inner casing by the transmission mechanism and causing the outer door and the inner door to open and close the first opening and the second opening simultaneously under the connecting action of the transmission mechanism, it is possible to open the outer door of the outer casing and close the inner door of the inner casing simultaneously. This reduces the number of steps for noise detection and labor.
A noise detecting device according to a second aspect of the present invention is the noise detecting device according to the first aspect of the present invention, wherein the transmission mechanism includes a link and a guide, both ends of the link are rotatably connected to the outer door and the inner door, respectively, the guide rotatably connects the inner housing and the outer housing, and restricts the inner housing from translating synchronously with the inner door when the inner door moves.
According to the above configuration, by making the transmission mechanism include the link and the guide, and making both ends of the link rotatably connected to the outer door and the inner door, respectively, making the guide rotatably connect the inner casing with the outer casing, and restricting the inner casing from translating in synchronization with the inner door when the inner door moves, the outer door and the inner door can be synchronously opened and closed by a simple structure.
A noise detecting device according to a third aspect of the present invention is the noise detecting device according to the second aspect of the present invention, wherein the inner door is provided at a bottom of the inner case and is movable along an inner bottom surface of the outer case.
According to the structure, the inner door is arranged at the bottom of the inner shell and can move along the inner bottom surface of the outer shell, the inner door can be closed and opened through the translation of the inner door of the inner shell and the rotation of other parts of the inner shell, and therefore the outer door and the inner door can be closed and opened synchronously.
A noise detecting device according to a fourth aspect of the present invention is the noise detecting device according to the third aspect of the present invention, wherein a guide rail that guides movement of the inner door is provided on an inner bottom surface of the outer case.
According to the above configuration, the guide rail for guiding the movement of the inner door is provided on the inner bottom surface of the outer case, so that the rotation of the outer door can be converted into the translation of the inner door, and the translation range of the inner door can be restricted. Thereby, the synchronized opening and closing of the outer door and the inner door is facilitated.
A noise detecting device according to a fifth aspect of the present invention is the noise detecting device according to the third aspect of the present invention, wherein the guide member includes: a guide portion provided on an inner top surface of the housing case; and a guided portion provided in the inner case and guided by the guide portion.
According to the above configuration, by providing the guide member including the guide portion and the guided portion, and providing the guide portion on the inner top surface of the outer case and the guided portion on the inner case, the rotation of the outer door can be smoothly converted into the rotation of the portion of the inner case other than the inner door, and the portion of the inner case other than the inner door can be prevented from being arbitrarily shaken in the outer case. Thereby, the synchronized opening and closing of the outer door and the inner door is facilitated.
A noise detecting device according to a sixth aspect of the present invention is the noise detecting device according to the fifth aspect of the present invention, wherein one of the guide portion and the guided portion has a long hole, and the other of the guide portion and the guided portion has a pin inserted into the long hole in a sliding contact manner.
According to the above configuration, by providing one of the guide portion and the guided portion with the elongated hole and providing the other of the guide portion and the guided portion with the pin inserted into the elongated hole, it is possible to easily restrict rotation of the portion of the inner case other than the inner door.
A noise detecting device according to a seventh aspect of the present invention is the noise detecting device according to the first aspect of the present invention, wherein the outer door includes a first plate portion contactable with an inner peripheral surface of the first opening over an entire circumference, and a second plate portion contactable with a peripheral edge of the first opening over an entire circumference.
According to the above configuration, since the outer door includes the first plate portion capable of abutting the inner peripheral surface of the first opening over the entire circumference and the second plate portion capable of abutting the peripheral edge of the first opening over the entire circumference, the inner space of the outer case can be sealed by the engagement of the first plate portion with the first opening and the engagement of the second plate portion with the peripheral edge of the first opening, thereby forming the sound-insulating environment.
A noise detecting device according to an eighth aspect of the present invention is the noise detecting device according to the seventh aspect of the present invention, wherein a buffer member is provided on an inner surface of the first plate portion.
According to the above configuration, since the buffer member is provided on the inner surface of the first plate portion, a preferable sound-insulating environment can be formed inside the outer case, and the detection accuracy can be improved.
A noise detecting device according to a ninth aspect of the present invention is the noise detecting device according to the first aspect of the present invention, wherein a buffer member is provided on each of an inner surface of the inner case and an inner surface of the inner door.
According to the above configuration, since the buffer members are provided on the inner surfaces of the inner case and the inner door, an ideal sound insulation environment can be formed in the inner case, and the detection accuracy can be further improved.
Drawings
Fig. 1 is a schematic view showing a state in which an outer door of an outer case and an inner door of an inner case are opened simultaneously.
Fig. 2 is a schematic view showing a state in which the outer door of the outer case and the inner door of the inner case are closed at the same time.
(symbol description)
1 noise detection equipment;
2 an outer housing;
20 outer doors;
201 a first plate portion;
202 a second plate portion;
203 a first cushioning member;
21 a first opening;
22 a main body of an outer housing;
3 an inner housing;
30 an inner door;
300 a second cushioning member;
31 a second opening;
32 a main body of the inner housing;
4, a transmission mechanism;
41 connecting rods;
411 a first link;
412 a second link;
413 a third link;
42 a guide member;
421 pin (guided portion);
422 guide the plate (guide);
423 elongated holes;
an L1 first axis;
l2 second axis.
Detailed Description
Hereinafter, embodiments of the present invention will be described with reference to fig. 1 and 2. Fig. 1 is a schematic view showing a state in which an outer door of an outer case and an inner door of an inner case are opened simultaneously. Fig. 2 is a schematic view showing a state in which the outer door of the outer case and the inner door of the inner case are closed at the same time.
In the present invention, the axis direction in which the outer door 20 rotates in fig. 1 is defined as the X direction, one side of the X direction is defined as the X1 direction, the other side is defined as the X2 direction, the direction orthogonal to the X direction in fig. 1 is defined as the Y direction, one side of the Y direction is defined as the Y1 direction, the other side is defined as the Y2 direction, the directions orthogonal to all X, Y directions in fig. 1 are defined as the Z direction, one side of the Z direction is defined as the Z1 direction, and the other side is defined as the Z2 direction. Further, in the present invention, the first axis about which the outer door 20 rotates is set to L1, the second axis about which the inner door 30 rotates is set to L2, and L1 and L2 are both parallel to the X direction.
Fig. 1 is a schematic view showing the outer door and the inner door completely opened. As shown in fig. 1, the noise detecting device 1 is generally box-shaped as a whole, and includes an outer case 2, an inner case 3, a transmission mechanism 4, and an acoustic sensor (i.e., a noise sensing mechanism) not shown, wherein the outer case 2 is generally box-shaped, a first opening 21 is provided in a side wall located on the Y1 side, an outer door 20 capable of opening and closing the first opening 21 by rotating around a first axis L1 with respect to a main body of the outer case 2 is provided, the inner case 3 is located inside the outer case 2, a second opening 31 is provided in a wall portion facing the Y1 side in the state of fig. 1, an inner door 30 capable of opening and closing the second opening 31 by rotating around a second axis L2 parallel to the first axis L1 with respect to the inner case 3 is provided, the acoustic sensor is provided inside the inner case 3, the transmission mechanism 4 connects the inner door 30 and the outer door 20, and operates in conjunction with the rotation of the outer door 20, the transmission mechanism 4 causes the inner door 30 to open the second opening 31 and cause the second opening 31 to face the first opening 21 when the outer door 20 opens the first opening 21, and causes the inner door 30 to synchronously close the second opening 31 when the outer door 20 is rotated to a position to close the first opening 21.
By configuring the noise detection apparatus 1 as described above, when a component to be detected (not shown) is set in the inner case 3 before detection and the above-described component is taken out from the inner case 3 after completion of detection, the inner door 30 of the inner case 3 can be synchronously opened only by opening the outer door 20 from the outside of the noise detection apparatus 1, and the inner door 30 of the inner case 3 can be synchronously closed only by closing the outer door 20 of the outer case 2. Therefore, compared with the prior art, the method can simplify five steps into two steps, thereby reducing the operation steps of detection operation, saving labor and reducing labor cost.
Further, as shown in fig. 1, in the outer case 2, the outer door 20 is formed in a step shape by stacking a first plate portion 201 on the outer side and a second plate portion 202 adjacent to the first plate portion 201. The outer door 20 is connected to the main body 22 of the outer case so as to be rotatable about the first axis L1 with respect to the main body 22 of the outer case. Further, a first cushioning member 203 is attached to the inside of the second plate portion 202.
Further, in the outer case 2, the first opening 21 is formed corresponding to the outer door 20, the second plate portion 202 can abut against the inner peripheral surface of the first opening 21 over the entire circumference, and the first plate portion 201 can abut against the peripheral edge of the first opening 21 over the entire circumference.
By forming the outer door 20 and the first opening 21 of the outer case 2 in the above-described manner, the inner space of the outer case 2 can be reliably closed when the outer door 20 closes the first opening 21, thereby forming a desired sound-deadening environment in the outer case 2.
Further, as shown in fig. 1 and 2, the outer door 20 of the outer casing 2 transmits rotation to the inner door 30 of the inner casing 3 via the transmission mechanism 4 to open or close the inner door 30 of the inner casing 3.
Specifically, the transmission mechanism 4 includes a link 41 and a guide 42, the link 41 includes two first links 411, two second links 412, and one third link 413, wherein one end of the first link 411 is non-rotatably mounted to the outer door 20, the other end of the first link 411 is rotatably connected to one end of the second link 412, the second link 412 extends along the Y-direction edge of the inner door 30, the other end of the second link is non-rotatably connected to both ends of the third link 413, and the third link 413 extends along the X-direction and is fixed to the outer surface of the inner door 30. Thereby, the two first links 411, the two second links 412, and the one link 413 together rotatably connect the inner door 30 with the outer door 20.
By configuring the link 41 in the above manner, while the outer door 20 rotates about the first axis L1, the rotation is transmitted to the inner door 30 of the inner case 3 via the link 41 (specifically, the first link 411, the second link 412, and the third link 413), thereby causing the inner door 30 to translate along the inner bottom surface of the outer case 2 to open or close the second opening 31.
Further, as shown in fig. 1 and 2, the guide 42 includes pins 421 (guided portions) respectively provided on the top of the inner casing 3 and two guide plates 422 (guide portions) respectively provided on the inner top surface of the outer casing 2. The two guide plates 422 are provided in the vicinity of the X1-side surface and the vicinity of the X2-side surface of the inner surface of the outer casing 2, respectively, and are formed with long holes extending in the Z direction, respectively. Also, the two pins 421 are inserted into the two long holes of the two guide plates 422 in a sliding contact manner. This can prevent the inner case 3 from greatly shaking during rotation.
Further, as shown in fig. 1, a second cushioning member 300 is mounted to the inner surfaces of the inner door 30 and the main body 32 of the inner case. In this manner, when the second opening 31 is closed by the inner door 30, a desired closed space can be formed inside the inner case 30 to form a desired soundproof environment.
By constituting the transmission mechanism 4 in the above-described manner, the synchronous opening and synchronous closing of the outer door 20 and the inner door 30 can be achieved by a simple structure.
(noise detection work flow)
Hereinafter, the procedure of the noise detection operation by the noise detection device 1 will be roughly described.
Specifically, after the assembly of the component to be inspected is completed, the operator manually opens the outer door 20 of the outer housing 2 toward the Y1 side as shown in fig. 1, the link 41 of the transmission mechanism 4 causes the inner door 30 of the inner housing 3 to translate in the Y1 direction, and at the same time, the guide 42 restricts the movement of the main body 32 of the inner housing together with the inner door 30 in the Y1 direction, whereby the inner door 30 of the inner housing 3 is opened with respect to the main body 32 of the inner housing. Then, the operator sets the component to be inspected inside the inner case 3 and connects the cable of the component to be inspected to the power supply outside the noise detecting apparatus 1, and then closes the outer door 20 of the outer case 2 as shown in fig. 2, at which time the link 41 of the transmission mechanism 4 brings the inner door 30 of the inner case 3 to translate in the Y2 direction, while the guide 42 of the transmission mechanism 4 restricts the movement of the main body 32 of the inner case together with the inner door 30 in the Y2 direction, whereby the inner door 30 of the inner case 3 is closed with respect to the main body 32 of the inner case.
Subsequently, the operator presses a switch button (not shown) to energize the component to be detected to operate the component, and detects noise generated when the component to be detected operates by an acoustic sensor provided in the inner case 3.
And when the detected noise is in a specified range, the component to be detected passes the detection and is normally delivered. When the detected noise exceeds the specified range, the component to be detected is processed as a defective product.
Although the present invention has been described above with reference to specific embodiments, it is possible to obtain the present invention by using elements of the above embodiments in combination, in addition to the embodiments described above, without departing from the spirit of the present invention.
In the above embodiment, the guide rail for guiding the movement of the inner door is provided on the inner bottom surface of the outer case, but the present invention is not limited to this, and the inner door of the inner case may be directly translated along the inner bottom surface of the outer case without providing the guide rail.
In the above embodiment, the pin is provided as the guided portion on the inner case, and the long hole into which the pin is inserted is formed as the guide portion on the inner top surface of the outer case.
Further, in the above-described embodiment, the guide has the elongated hole extending in the Z direction, but the present invention is not limited to this, and the shape of the elongated hole may be any shape as long as the rotation locus of the inner case can be restricted to avoid random rattling thereof.
Claims (9)
1. A noise detecting apparatus, comprising:
an outer case having a substantially box-like shape, a first opening formed in a side wall thereof, and an outer door capable of rotating around a first axis with respect to a main body of the outer case to open and close the first opening;
an inner case located inside the outer case, having a second opening in one wall portion, and having an inner door that is rotatable about a second axis parallel to the first axis with respect to a main body of the inner case to open and close the second opening;
the noise induction mechanism is arranged inside the inner shell; and
a transmission mechanism that connects the inner door and the outer door so that the inner door and the outer door operate in linkage with each other in rotation, and that causes the inner door to open the second opening and cause the second opening to face the first opening when the outer door opens the first opening, and causes the inner door to synchronously close the second opening when the outer door rotates to a position that closes the first opening.
2. The noise detecting apparatus according to claim 1,
the transmission mechanism comprises a connecting rod and a guide piece,
both ends of the connecting rod are respectively rotatably connected with the outer door and the inner door,
the guide rotatably connects the inner housing with the outer housing and limits the inner housing from translating in unison with the inner door as the inner door moves.
3. The noise detecting apparatus according to claim 2,
the inner door is arranged at the bottom of the inner shell and can move along the inner bottom surface of the outer shell.
4. The noise detecting apparatus according to claim 3,
a guide rail for guiding movement of the inner door is provided on an inner bottom surface of the outer case.
5. The noise detecting apparatus according to claim 3,
the guide includes:
a guide portion provided on an inner top surface of the housing case; and
and a guided portion provided in the inner case and guided by the guide portion.
6. The noise detecting apparatus according to claim 5,
one of the guide portion and the guided portion has a long hole,
the other of the guide portion and the guided portion has a pin inserted into the elongated hole in a sliding contact manner.
7. The noise detecting apparatus according to claim 1,
the outer door has a first plate portion capable of coming into contact with an inner peripheral surface of the first opening over the entire circumference, and a second plate portion capable of coming into contact with a peripheral edge of the first opening over the entire circumference.
8. The noise detecting apparatus according to claim 7,
a cushioning member is provided on an inner surface of the first plate portion.
9. The noise detecting apparatus according to claim 1,
cushioning members are provided on each inner surface of the inner case and the inner surface of the inner door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911120869.9A CN110702217B (en) | 2019-11-15 | 2019-11-15 | Noise detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911120869.9A CN110702217B (en) | 2019-11-15 | 2019-11-15 | Noise detection device |
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| Publication Number | Publication Date |
|---|---|
| CN110702217A true CN110702217A (en) | 2020-01-17 |
| CN110702217B CN110702217B (en) | 2021-07-27 |
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| CN201911120869.9A Active CN110702217B (en) | 2019-11-15 | 2019-11-15 | Noise detection device |
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| CN110702217B (en) | 2021-07-27 |
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