WO2019184892A1 - 一种测试箱 - Google Patents

一种测试箱 Download PDF

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Publication number
WO2019184892A1
WO2019184892A1 PCT/CN2019/079597 CN2019079597W WO2019184892A1 WO 2019184892 A1 WO2019184892 A1 WO 2019184892A1 CN 2019079597 W CN2019079597 W CN 2019079597W WO 2019184892 A1 WO2019184892 A1 WO 2019184892A1
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WO
WIPO (PCT)
Prior art keywords
test box
box body
rotating member
box according
sound
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PCT/CN2019/079597
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English (en)
French (fr)
Inventor
胡谦谦
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京东方科技集团股份有限公司
合肥京东方视讯科技有限公司
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Application filed by 京东方科技集团股份有限公司, 合肥京东方视讯科技有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US16/620,623 priority Critical patent/US20200326229A1/en
Publication of WO2019184892A1 publication Critical patent/WO2019184892A1/zh

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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/028—Casings; Cabinets ; Supports therefor; Mountings therein associated with devices performing functions other than acoustics, e.g. electric candles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/002—Devices for damping, suppressing, obstructing or conducting sound in acoustic devices
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/162—Selection of materials
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/342—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for microphones

Definitions

  • the present application relates to the field of noise detection technologies, and in particular, to a test box.
  • the source of the electronic components that need to be found is a certain noise source. small parts.
  • a test box comprising:
  • test box body a test box body, the test chamber body forming a chamber for placing the machine
  • the rotating member rotatably coupled to the test box body, the rotating member is provided with a through hole, and one end of the sound transmitting barrel extends through the through hole into the test box body chamber.
  • the sound tube can be telescopically moved relative to the through hole.
  • the rotating component being rotatably coupled to the test box body by the connecting component;
  • the connecting component comprising a jaw assembly for clamping the rotating component, the jaw component A claw member disposed outside the rotating member and a lock nut for engaging the claw member;
  • the lock nut When the rotating member is positioned, the lock nut is tightened, and the claw portion of the claw member clamps the rotating member.
  • the rotating component is a spherical component.
  • the sound tube, the test box body, and the connecting component are all made of an insulating material.
  • the test box body comprises a box cover and a base, and the box cover is detachably connected to the base.
  • At least one layer of sound absorbing structure is disposed on an inner surface of the box cover.
  • the sound absorbing structure comprises sound absorbing cotton.
  • the base is provided with at least one sound absorbing structure on a side of the machine table.
  • test box body is provided with a lead hole for taking out a power line and a signal line of the machine.
  • an earpiece assembly and a flexible tube are further included, and the earpiece assembly is coupled to an end of the sound tube that faces away from the test box body by the flexible tube.
  • test box body is provided with at least one opening, and each of the openings is provided with a peening window.
  • the peek window is a double-layer window structure.
  • the viewport is made of an acrylic material.
  • FIG. 1 is a schematic structural diagram of a test box according to an embodiment of the present disclosure
  • FIG. 2 is a schematic structural view of a base in a test box according to an embodiment of the present disclosure
  • FIG. 3 is a schematic structural diagram of a box cover in a test box according to an embodiment of the present disclosure.
  • test box provided by the embodiment of the present application includes:
  • test box body the chamber of the test box body forming a chamber for placing the machine
  • a rotating member 3 rotatably coupled to the test box body, the rotating member 3 is provided with a through hole, and one end of the sound transmitting barrel 1 extends through the through hole into the test box body chamber.
  • the rotating component 3 is rotatably disposed on the test box body, and one end of the sounding cylinder 1 passes through the through hole in the rotating component 3 and extends into the chamber of the test box body to perform the noise emitted by the object to be tested.
  • the megaphone 1 can be rotated with the rotating component 3 to realize the adjustment of the position of the portion of the megaphone 1 extending into the chamber, and the sounding cylinder 1 is positioned to locate the noise portion of the machine to determine the noise generated in the machine.
  • the component realizes the detection of the machine that emits noise due to the small component, and the test box has a simple structure and a low cost, and the detection efficiency is improved, and the cost is reduced.
  • the megaphone 1 can be telescopically moved relative to the through hole on the rotating component 3; thus, during the noise detection process, the megaphone 1 can move through the through hole toward the test box body or away from the test box body, Adjusting the length of the sound tube 1 to the chamber of the test box body enables more precise position adjustment of the portion of the sound tube 1 that extends into the chamber, thereby improving the accuracy of positioning the noise portion of the machine.
  • the test box provided by the embodiment of the present application further includes a connecting component, the rotating component 3 is rotatably connected to the test box body through the connecting component; the connecting component includes a claw component for clamping the rotating component 3, the claw
  • the assembly includes a jaw member 2 disposed outside the rotating member 3 and a lock nut 4 for threadingly engaging the jaw member 2;
  • the claw member 2 is disposed outside the rotating member 3.
  • the lock nut 4 is in a state to be tightened, and at this time, the claw member 2 is in an initial state, and the rotating member 3 is rotated.
  • the claw member 2 is gathered toward the rotating member 3, and the rotating member 3 is clamped.
  • the rotating component 3 is fixed and unadjustable, and the adjustment of the deflection angle of the microphone 1 in the chamber is fixed, and the jaw assembly has a simple structure and convenient operation.
  • the rotating member 3 is a spherical member.
  • the above-mentioned rotating member 3 adopts a spherical member.
  • the spherical member can be rotated at an arbitrary angle around its center to facilitate adjustment of the position of the sound-transmitting cylinder 1.
  • the sound tube 1, the test box body, and the connecting component are all made of an insulating material.
  • the power board of the disassembled machine has a high voltage zone, and the voltage of the high voltage zone is 220V minimum. There is a safety hazard of electric shock.
  • the sound tube 1, the test box body and the connection components are all insulators. It can isolate the high pressure area and improve the safety of detection.
  • the test box body includes a box cover 6 and a base 7, and the box cover 6 is detachably coupled to the base 7.
  • the test box body adopts a detachable box cover 6 and a base 7 to facilitate detection of the machine table.
  • At least one sound absorbing structure is provided on the inner surface of the box cover 6.
  • the sound absorbing structure includes sound absorbing cotton.
  • An absorbing mechanism is disposed on the inner surface of the box cover 6 to effectively prevent interference from external noise when detecting the machine, thereby improving the accuracy of detecting the machine.
  • the base 7 is provided with at least one sound absorbing structure on the side of the machine table, and the sound absorbing structure may include the sound absorbing cotton 9.
  • the sound absorbing cotton 9 is disposed on the base 7 to effectively prevent interference from external noise when detecting the machine, thereby improving the accuracy of detecting the machine.
  • test box body is provided with lead holes 8 for taking out power lines and signal lines of the machine.
  • test box provided by the present application may further include an earpiece assembly and a flexible tube, and the earpiece assembly is connected to one end of the sound tube 1 away from the test box body through a flexible tube.
  • the earpiece assembly includes a sound amplifying component.
  • the end of the microphone 1 facing away from the test box body and the earpiece assembly are connected by a flexible tube, so that the detecting personnel can locate the sound emitting part, and since the earpiece assembly includes the sound amplifying part, the detected noise can be effectively expanded, and the flexible tube It has good sound transmission and can improve the accuracy of detection.
  • test box body is provided with at least one opening, and each of the openings is provided with a peening window 5.
  • the peening window 5 is a two-layer window structure.
  • the sight glass 5 is made of a transparent acrylic material.
  • the test box body is provided with a peening window 5, which is convenient for the inspection personnel to observe the condition of the machine and the position of the sound tube 1, and the peening window 5 is made of acrylic material, thereby effectively avoiding leakage during the test and ensuring the safety of the test personnel. .

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

一种测试箱，包括测试箱本体，测试箱本体内形成用于放置机台的腔室；设置在测试箱本体上的传声筒（1）；通过连接组件与测试箱转动连接的转动部件（3），转动部件（3）上设有通孔，传声筒（1）的一端穿过通孔延伸至测试箱本体腔室中。测试箱中，将传声筒（1）转动设置在测试箱本体上，且传声筒（1）的一端延伸至测试箱本体的内腔中，通过对传声筒（1）的位置进行调节，确定被测机台中产生噪音的部件位置，确定机台中发出杂音的部件，从而实现了对由于小部件发出杂音的机台的检测，且本测试箱结构简单，成本较低，在提高检测效率的同时，降低了成本。

Description

一种测试箱
本公开要求在2018年03月26日提交中国专利局、公开号为201820412793.1、公开名称为“一种测试箱”的中国专利公开的优先权，该公开的全部内容通过引用结合在本公开中。
技术领域
本申请涉及噪音检测技术领域，特别涉及一种测试箱。
背景技术
整机制造行业在机台测试时，会遇到机台有杂音的情况，因此需要对每件机台进行电子元器件噪声源的确定，而往往需要找出的电子元器件噪声源是某个小零件。
发明内容
根据本公开的实施例，提供了：
一种测试箱，包括：
测试箱本体，所述测试箱本体内形成用于放置机台的腔室；
设置在所述测试箱本体上的传声筒；
与所述测试箱本体转动连接的转动部件，所述转动部件上设有通孔，所述传声筒的一端穿过所述通孔延伸至所述测试箱本体腔室中。
可选地，所述传声筒可相对于所述通孔伸缩移动。
可选地，还包括连接组件，所述转动部件通过所述连接组件与所述测试箱本体转动连接；所述连接组件包括用于夹紧所述转动部件的卡爪组件，所述卡爪组件包括设置在所述转动部件外侧的卡爪部件和用于与所述卡爪部件配合的锁紧螺母；
当所述转动部件转动时，所述锁紧螺母处于待拧紧状态，所述卡爪部件与所述转动部件间存在间隙；
当对所述转动部件定位时，所述锁紧螺母拧紧，所述卡爪部件的爪部夹紧所述转动部件。
可选地，所述转动部件为球形部件。
可选地，所述传声筒、测试箱本体、连接组件均由绝缘材质制成。
可选地，所述测试箱本体包括箱罩和底座，所述箱罩与底座可拆卸连接。
可选地，所述箱罩的内表面上设有至少一层吸声结构。
可选地，所述吸声结构包括吸声棉。
可选地，所述底座用于放置机台的侧面上设有至少一层吸声结构。
可选地，所述测试箱本体上设有用于引出机台的电源线和信号线的引线孔。
可选地，还包括听筒组件和柔性管，所述听筒组件通过所述柔性管与所述传声筒背离所述测试箱本体的一端连接。
可选地，所述测试箱本体上设有至少一个开口，每个所述开口处均设有窥视窗。
可选地，所述窥视窗为双层窗结构。
可选地，所述窥视窗由亚克力材料制成。
附图说明
图1为本公开实施例提供的测试箱的结构示意图；
图2为本公开实施例提供的测试箱中底座的结构示意图；
图3为本公开实施例提供的测试箱中箱罩的结构示意图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
请参考图1至图3，本申请实施例提供的测试箱，包括：
测试箱本体，测试箱本体内形成用于放置机台的腔室；
设置在测试箱本体上的传声筒1；
与测试箱本体转动连接的转动部件3，转动部件3上设有通孔，传声筒1的一端穿过通孔延伸至测试箱本体腔室中。
上述测试箱中，将转动部件3转动设置在测试箱本体上，传声筒1的一端穿过转动部件3上的通孔，延伸至测试箱本体的腔室中，对被测物发出的杂声进行检测，在检测过程中，传声筒1可随转动部件3进行转动，实现对传声筒1延伸至腔室内的部分的位置的调节，通过传声筒1对机台发出杂音部位的定位，确定机台中发出杂音的部件，从而实现了对由于小部件发出杂音的机台的检测，且本测试箱结构简单，成本较低，在提高检测效率的同时，降低了成本。
具体地，传声筒1可相对于转动部件3上的通孔伸缩移动；从而，在杂声检测过程中，传声筒1可通过通孔向靠近测试箱本体的方向或背离测试箱本体的方向运动，以调节传声筒1延伸至测试箱本体腔室中的长度，实现对传声筒1延伸至腔室内的部分进行更精确的位置调节，从而提高对机台发出杂音部位定位的精确性。
具体地，本申请实施例提供的测试箱，还包括连接组件，所述转动部件3通过该连接组件与测试箱本体转动连接；连接组件包括用于夹紧转动部件3的卡爪组件，卡爪组件包括设置在转动部件3外侧的卡爪部件2和用于与卡爪部件2螺纹配合的锁紧螺母4；
当转动部件3转动时，锁紧螺母4处于待拧紧状态，卡爪部件2与转动部件3间存在间隙；
当对转动部件3定位时，锁紧螺母4拧紧，卡爪部件2的爪部夹紧转动部件3。
上述卡爪组件中，卡爪部件2设置于转动部件3的外侧，当对传声筒1的位置进行调节时，锁紧螺母4处于待拧紧状态，此时卡爪部件2处于初始 状态，转动部件3转动，对传声筒1的位置进行调节，当传声筒1调至发出杂音部位时，锁紧螺母4拧紧，此时，卡爪部件2向转动部件3方向聚拢，并将转动部件3夹紧，此时，转动部件3固定不可调节，实现对传声筒1在腔室内的偏转角度的调节固定，且卡爪组件结构简单，操作方便。
具体地，转动部件3为球形部件。
上述转动部件3采用球形部件，在对测试箱进行组装时，不易将转动部件3装配错误，且球形部件可绕其中心转动任意角度，便于对传声筒1的位置进行调节。
具体地，传声筒1、测试箱本体、连接组件均由绝缘材质制成。
在对机台进行噪声源确定时都为带电作业，拆卸的机台电源板有高压区，且高压区电压最低220V，存在触电的安全隐患，上述传声筒1、测试箱本体和连接组件均为绝缘体，能够隔离高压区，提高检测的安全性。
具体地，测试箱本体包括箱罩6和底座7，箱罩6与底座7可拆卸连接。
上述测试箱本体采用可分离的箱罩6和底座7，便于对机台进行检测。
具体地，箱罩6的内表面上设有至少一层吸声结构。
具体地，吸声结构包括吸声棉。
上述箱罩6的内表面上设置吸收机构，有效防止在对机台进行检测时，受到外界噪音的干扰，提高对机台检测的准确性。
具体地，底座7用于放置机台的侧面上设有至少一层吸声结构，该吸声结构可以包括吸声棉9。
上述底座7上设置吸声棉9，有效防止在对机台进行检测时，受到外界噪音的干扰，提高对机台检测的准确性。
具体地，测试箱本体上设有用于引出机台的电源线和信号线的引线孔8。
具体地，本申请提供的测试箱还可以包括听筒组件和柔性管，听筒组件通过柔性管与传声筒1背离测试箱本体的一端连接。
具体地，听筒组件包括扩音部件。
上述传声筒1背离测试箱本体的一端与听筒组件间通过柔性管连接，便 于检测人员对发出杂音部位进行定位，且由于听筒组件包括扩音部件，可以有效将检测到的杂音进行扩大，且柔性管具有良好的声音传递作用，可以提高检测的准确性。
具体地，测试箱本体上设有至少一个开口，每个开口处均设有窥视窗5。
具体地，窥视窗5为双层窗结构。
具体地，窥视窗5由透明亚克力材料制成。
上述测试箱本体上设有窥视窗5，便于检测人员对机台情况以及传声筒1位置进行观察，且窥视窗5采用亚克力材料制成，有效避免测试过程中发生漏电情况，保证了检测人员的安全。
显然，本领域的技术人员可以对本申请实施例进行各种改动和变型而不脱离本申请的精神和范围。这样，倘若本申请的这些修改和变型属于本申请权利要求及其等同技术的范围之内，则本申请也意图包含这些改动和变型在内。

Claims (14)

  1. 一种测试箱，包括：
    测试箱本体，所述测试箱本体内形成用于放置机台的腔室；
    设置在所述测试箱本体上的传声筒；
    与所述测试箱本体转动连接的转动部件，所述转动部件上设有通孔，所述传声筒的一端穿过所述通孔延伸至所述测试箱本体腔室中。
  2. 根据权利要求1所述的测试箱，其中，所述传声筒可相对于所述通孔伸缩移动。
  3. 根据权利要求1所述的测试箱，其中，还包括连接组件，所述转动部件通过所述连接组件与所述测试箱本体转动连接；所述连接组件包括用于夹紧所述转动部件的卡爪组件，所述卡爪组件包括设置在所述转动部件外侧的卡爪部件和用于与所述卡爪部件配合的锁紧螺母；
    当所述转动部件转动时，所述锁紧螺母处于待拧紧状态，所述卡爪部件与所述转动部件间存在间隙；
    当对所述转动部件定位时，所述锁紧螺母拧紧，所述卡爪部件的爪部夹紧所述转动部件。
  4. 根据权利要求3所述的测试箱，其中，所述转动部件为球形部件。
  5. 根据权利要求3所述的测试箱，其中，所述传声筒、测试箱本体、连接组件均由绝缘材质制成。
  6. 根据权利要求1所述的测试箱，其中，所述测试箱本体包括箱罩和底座，所述箱罩与底座可拆卸连接。
  7. 根据权利要求6所述的测试箱，其中，所述箱罩的内表面上设有至少一层吸声结构。
  8. 根据权利要求7所述的测试箱，其中，所述吸声结构包括吸声棉。
  9. 根据权利要求6所述的测试箱，其中，所述底座用于放置机台的侧面上设有至少一层吸声结构。
  10. 根据权利要求1所述的测试箱，其中，所述测试箱本体上设有用于引出机台的电源线和信号线的引线孔。
  11. 根据权利要求1所述的测试箱，其中，还包括听筒组件和柔性管，所述听筒组件通过所述柔性管与所述传声筒背离所述测试箱本体的一端连接。
  12. 根据权利要求1-11任一项所述的测试箱，其中，所述测试箱本体上设有至少一个开口，每个所述开口处均设有窥视窗。
  13. 根据权利要求12所述的测试箱，其中，所述窥视窗为双层窗结构。
  14. 根据权利要求12或13所述的测试箱，其中，所述窥视窗由亚克力材料制成。
PCT/CN2019/079597 2018-03-26 2019-03-25 一种测试箱 WO2019184892A1 (zh)

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CN207908156U (zh) * 2018-03-26 2018-09-25 京东方科技集团股份有限公司 一种测试箱
TWI754384B (zh) 2020-09-21 2022-02-01 華碩電腦股份有限公司 噪音測量裝置
TWI823340B (zh) * 2022-04-14 2023-11-21 威剛科技股份有限公司 旋轉物的測試裝置
CN115452294A (zh) * 2022-09-14 2022-12-09 欧拓飞科技(珠海)有限公司 一种利用噪音检测摄像头的装置及其测试方法

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