WO2023035345A1 - 定位查找器 - Google Patents

定位查找器 Download PDF

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Publication number
WO2023035345A1
WO2023035345A1 PCT/CN2021/122253 CN2021122253W WO2023035345A1 WO 2023035345 A1 WO2023035345 A1 WO 2023035345A1 CN 2021122253 W CN2021122253 W CN 2021122253W WO 2023035345 A1 WO2023035345 A1 WO 2023035345A1
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WO
WIPO (PCT)
Prior art keywords
light
positioning
buzzer
finder according
transmitting
Prior art date
Application number
PCT/CN2021/122253
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English (en)
French (fr)
Inventor
李志坚
Original Assignee
李志坚
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Publication date
Application filed by 李志坚 filed Critical 李志坚
Publication of WO2023035345A1 publication Critical patent/WO2023035345A1/zh

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/24—Reminder alarms, e.g. anti-loss alarms
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/46—Indirect determination of position data
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
    • G01S7/4813—Housing arrangements
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • G08B3/1008—Personal calling arrangements or devices, i.e. paging systems
    • G08B3/1016—Personal calling arrangements or devices, i.e. paging systems using wireless transmission
    • G08B3/1083—Pager locating systems

Definitions

  • the invention relates to the field of positioning equipment, in particular to a positioning finder.
  • a location finder is a device used for location location and tracking. In outdoor activities such as mountaineering and camping, people generally like to hang a positioning finder on the backpack.
  • Existing positioning finders are mainly divided into electronic positioning finders equipped with positioning modules such as GPS, whose main function is to be used for large-scale positioning; there is also a positioning finder for small-scale positioning, which is convenient for users to locate items.
  • the location finder mainly relies on sound to prompt the user for its location.
  • Existing sounding positioning finders mainly use loudspeakers for prompting and alarming. The loudspeakers consume a lot of power during use, and the general service life is only 3-5 days. After the power is exhausted, the battery needs to be replaced, which is extremely inconvenient to use.
  • the object of the present invention is to overcome the above disadvantages and provide a location finder that saves power and produces a large volume of sound.
  • a positioning finder characterized in that it includes a housing, and the inside of the housing is provided with a first resonant cavity located above, a second resonant cavity located below, and a One resonant chamber is separated from the second resonant chamber and is used for sounding the buzzer sheet
  • the positioning finder also includes a main board connected with the buzzer sheet for controlling the power on and off of the buzzer sheet and connected with the main board
  • the power supply unit used to power the motherboard.
  • the first resonance cavity and the second resonance cavity form two spaces, one large and one small.
  • the middle part of the buzzer is provided with a light-transmitting hole, and above the light-transmitting hole is a light source controlled by the main board, and at the bottom of the second resonant cavity is a transparent hole connected to the outside.
  • the light emitted by the light source is projected outward through the light-transmitting hole, the second resonant cavity and the light-transmitting channel in sequence.
  • a light-transmitting projection component is installed in the light-transmitting channel, the projection component is provided with a predetermined projection pattern, and the light source is projected on the projection component and can project and display the projection pattern outward.
  • the casing or the projection part is also provided with a sound-emitting through hole for convenient sound generation.
  • the outer peripheral diameter of the buzzer piece is 6.5mm-50mm, and the thickness of the buzzer piece is 0.15mm-0.85mm.
  • the buzzer sheet includes a substrate and a conductive ceramic medium disposed on the substrate, and the substrate is one of copper sheet, stainless steel sheet, nickel alloy sheet and iron sheet or any combination thereof.
  • the projection part is provided with a light-transmitting column extending into the light-transmitting hole or extending below the light-transmitting hole.
  • the main board is installed in the housing and located above the buzzer piece, and the main board and the buzzer piece are connected by thimbles or elastic folding feet.
  • the housing includes a lower housing and an upper housing.
  • a concave battery compartment is provided on the upper surface of the upper casing, the power supply device is a button battery and installed in the battery compartment, and a cover is provided on the top of the battery compartment.
  • the main board is also provided with a communication module capable of connecting with external devices.
  • the diameter of a single hole of the sound-emitting through-hole for convenient sound generation does not exceed 10mm.
  • the second resonance cavity is in the shape of a funnel with a large top and a small bottom.
  • the second resonant chamber and the first resonant chamber form a funnel-shaped air circulation system.
  • the diameter of the light-transmitting through hole is no more than 6mm.
  • the positioning finder of the present invention uses a buzzer to make a sound. Compared with a buzzer or a loudspeaker and other sounding components, it consumes less power. In the case of using a button battery at the same time, the service life can be extended by more than double , and there are two resonant cavities in the housing, and the combination of the two can amplify the sound from the buzzer piece.
  • the positioning finder of the present invention also has a light-transmitting hole in the buzzer, and the light emitted by the light source can be projected on the projection part through the light-transmitting hole, thereby projecting a predetermined logo pattern outward, which is convenient for users to Find it in the dark.
  • the overall structure of the positioning finder described in the present invention is light and thin, easy to install, reasonable in design and easy to popularize and use.
  • FIG. 1 is a schematic structural view of Embodiment 1 of the present invention.
  • Fig. 2 is a top view of Embodiment 1 of the present invention.
  • Fig. 3 is the sectional view of A-A in Fig. 2;
  • FIG. 4 is a schematic diagram of an explosion in Embodiment 1 of the present invention.
  • Fig. 5 is a top view of Embodiment 1 of the present invention with the upper casing part removed;
  • Fig. 6 is the sectional view of B-B in Fig. 5;
  • Fig. 7 is the sectional view of C-C in Fig. 5;
  • FIG. 8 is a schematic structural diagram of the projection component in Embodiment 1 of the present invention.
  • FIG. 9 is a schematic diagram of Embodiment 2 of the present invention.
  • a positioning finder is characterized in that it includes a housing 1, and the inside of the housing 1 is provided with a first resonance chamber a located above, a second resonance chamber b located below and The buzzer piece 2 used to separate the first resonance chamber a from the second resonance chamber b and to make sound, the location finder also includes a buzzer piece 2 connected to the buzzer piece 2 for controlling the buzzer piece 2 Mainboard 3 that is powered off and a power supply device connected to mainboard 3 for supplying power to mainboard 3 .
  • the positioning finder adopts the buzzer 2 to make sound. Compared with sounding components such as buzzers or loudspeakers, the buzzer 2 consumes less power and has a longer service time, and the use of button batteries can meet the use requirements.
  • the buzzer 2 is mainly composed of a piezoelectric ceramic plate with electrodes printed on both sides and a metal plate of brass or stainless steel. Use an adhesive to bond the piezoelectric vibration plate and the metal sheet together. When a DC voltage is applied between the two electrodes of the piezoelectric vibration plate, due to the piezoelectric effect, the mechanical deformation will cause sound.
  • the sound sent by the buzzer 2 is small, and the positioning finder is provided with resonance chambers below and above the buzzer 2, and the sound sent by the buzzer 2 can resonate with the first resonance chamber a and the second resonance chamber b so that To achieve the effect of sound reinforcement at both ends.
  • the first resonance cavity a and the second resonance cavity b form two spaces, one large and one small.
  • a light-transmitting through hole 21 is provided in the middle of the buzzer sheet 2, and a light source 31 controlled by the main board 3 is provided above the light-transmitting through hole 21, and at the bottom of the second resonance chamber b There is a light-transmitting channel b1 communicating with the outside, and the light emitted by the light source 31 is projected outward through the light-transmitting through hole 21 , the second resonant cavity b and the light-transmitting channel b1 in sequence.
  • a light-transmissible projection component 5 is installed in the light-transmitting channel b1, and a projection pattern is provided on the projection component 5.
  • the projection pattern can be designed as a predetermined mark, and the light source 31 is projected on the projection component 5
  • the logo can be projected outwards.
  • the sign is not restricted and can be in any shape, and in this embodiment it is preferably a cross.
  • the casing 1 or the projection component 5 is also provided with a sound-emitting through hole 51 for convenient sound generation.
  • the projection component 5 is provided with a light-transmitting column 52 extending into the light-transmitting hole 21 or extending below the light-transmitting hole 21 .
  • the light projected by the light source 31 can extend to the projection part 5 through the transmission column 52, which can prevent the light from spreading, and the light transmission column 52 can partially block the light transmission hole 21 to increase the volume of the sound reinforcement.
  • this embodiment provides the following preferred data of the buzzer sheet 2, the outer diameter of the buzzer sheet 2 is 6.5mm-50mm, and the thickness of the buzzer sheet 2 is 0.15mm-0.85mm.
  • the buzzer 2 includes a substrate and a conductive ceramic medium disposed on the substrate, and the substrate is one of copper, stainless steel, nickel alloy and iron or any combination thereof.
  • the main board 3 is installed in the casing 1 and located above the buzzer piece 2 , and the main board 3 and the buzzer piece 2 are connected by a thimble 6 .
  • the housing 1 includes a lower housing 11 and an upper housing 12 .
  • the upper surface of the upper casing 12 is provided with a concave battery compartment 121
  • the power supply unit is a button battery and installed in the battery compartment 121
  • the top of the battery compartment 121 is also covered with a cover 8 .
  • the connection mode between the button battery and the main board is connected by contact 4 as shown in FIG. 4 .
  • the main board 3 is also provided with a communication module capable of connecting with external devices.
  • the diameter of a single hole of the sound-emitting through-hole for convenient sound generation does not exceed 10mm.
  • the second resonance chamber b is in the shape of a funnel with a large top and a small bottom.
  • the second resonance cavity b and the first resonance cavity a form a funnel-shaped air circulation system.
  • the diameter of the light-transmitting through hole 21 is no more than 6mm.
  • the difference between this embodiment and the first embodiment is that: the main board 3 and the buzzer piece 2 are connected by elastic folding feet 7 .
  • the connection between the main board 3 and the buzzer piece 2 is carried out by adopting the elastic folding feet 7 .
  • the overall structure of the positioning finder can be thinner.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

本发明涉及定位设备领域，特别为一种定位查找器，包括壳体(1)，所述壳体(1)的内部设有位于上方的第一共鸣腔(a)、位于下方的第二共鸣腔(b)以及用于发声的蜂鸣片(2)，所述蜂鸣片(2)将第一共鸣腔(a)和第二共鸣腔(b)分隔开，所述定位查找器还包括与蜂鸣片(2)相连接的用于控制蜂鸣片(2)通断电的主板(3)以及与主板(3)相连接的用于为主板(3)供电的电源装置。本申请可以克服现有定位查找器的缺点，实现定位查找器省电且发声音量大的效果。

Description

定位查找器 技术领域
本发明涉及定位设备领域，特别为一种定位查找器。
背景技术
定位查找器即用于位置定位和追踪的设备。在登山、野营等户外活动中，人们普遍喜欢在背包上悬挂一个定位查找器。现有的定位查找器主要分为安装有GPS等定位模块的电子定位查找器，其主要功能是用于大范围的定位；还有一种是用于小范围定位的定位查找器，方便用户进行物品的查找，该定位查找器主要是依靠发声的方式提示用户其所在位置。现有发声式定位查找器主要采用扬声器进行提示报警，扬声器在使用过程十分耗电，一般使用期限仅为3-5天，电量耗尽后需更换电池，使用起来极为不便。
发明内容
本发明的目的在于：克服以上缺点提供一种省电且发声音量大的定位查找器。
本发明通过如下技术方案实现：一种定位查找器，其特征在于：包括壳体，所述壳体的内部设有位于上方的第一共鸣腔、位于下方的第二共鸣腔以及用于将第一共鸣腔和第二共鸣腔分隔开且用于发声的蜂鸣片，所述定位查找器还包括与蜂鸣片相连接的用于控制蜂鸣片通断电的主板以及与主板相连接的用于为主板供电的电源装置。
为了更好的实施本方案,还提供如下优化方案：
优选地，所述第一共鸣腔和第二共鸣腔组成一大一小的两个空间。
为了便于投光定位，所述蜂鸣片的中部设有透光通孔，所述透光通孔的上方设有受主板控制的光源，且在第二共鸣腔的底部设有连通外部的透光通道，所述光源发出的光线依次经过透光通孔、第二共鸣腔和透光通道向外投射。
优选地，在透光通道中安装有能透光的投影部件，所述投影部件设有预定的投影图案，所述光源投射在投影部件上能向外投射显示所述的投影图案。
为了进一步扩声，所述壳体或投影部件上还设有用于方便发声的发声通孔。
优选地，所述蜂鸣片的外周直径为：6.5mm-50mm，所述蜂鸣片的厚度为：0.15mm-0.85mm。
优选地，所述蜂鸣片包括基板以及设置在基板上的导电陶瓷介质,所述基板采用铜片、不锈钢片、镍合金片和铁片中的之一或其任意组合。
为了防止光线发散，所述投影部件上设有延伸至透光通孔中或延伸至透光通孔下方的透光柱。
优选地，所述主板安装在壳体中并位于蜂鸣片的上方，所述主板与蜂鸣片之间通过顶针或弹性折脚相连接。
为了便于安装，所述壳体包括下壳体和上壳体。
优选地，所述上壳体的上表面设有下凹的电池仓，所述电源装置为纽扣电池并安装在电池仓中，在电池仓的顶部还盖设有盖体。
优选地，所述主板上还设有与能与外部设备相连接的通讯模块。
为了保证声音更集中不会发散，所述用于方便发声的发声通孔的单孔直径不超过10mm。
为了有助于声音借助空气在其中旋转放大，所述第二共鸣腔呈上大下小的漏斗状。
进一步为了有助于声音借助空气在其中旋转放大，所述第二共鸣腔和第一共鸣腔组成漏斗状的空气环流系统。
优选地，所述透光通孔的直径不超过6mm。
较之前技术而言，本发明的有益效果为：
1.本发明所述的定位查找器采用蜂鸣片进行发声，相比于蜂鸣器或扬声器等发声元件，耗电量少，在同时使用纽扣电池的情况下，使用期限可延长一倍以上，并且壳体中设置有两个共鸣腔，两者配合使用能将蜂鸣片发出的声音进行扩大。
2.本发明所述的定位查找器在蜂鸣片还开设有透光通孔，光源发出的光线能经过透光通孔投射在投影部件上，从而向外投射预定的标志图案，方便用户在黑暗环境中进行查找。
3.本发明所述的定位查找器整体结构轻薄，安装方便，设计合理便于推广使用。
附图说明
图1为本发明实施例一的结构示意图；
图2为本发明实施例一俯视图；
图3为图2中A-A的剖视图；
图4为本发明实施例一爆炸示意图；
图5为本发明实施例一去掉上壳体部分的俯视图；
图6为图5中B-B的剖视图；
图7为图5中C-C的剖视图；
图8为本发明实施例一中投影部件的结构示意图；
图9为本发明实施例二的示意图。
标号说明：1-壳体、11-下壳体、12-上壳体、121-电池仓、2-蜂鸣片、21-透光通孔、3-主板、31-光源、4-触点、5-投影部件、51-发声通孔、52-透光柱、6-顶针、7-弹性折脚、8-盖体、a-第一共鸣腔、b-第二共鸣腔、b1-透光通道。
具体实施方式
下面结合附图说明对本发明做详细说明：
实施例一：
如图1-8所示，一种定位查找器，其特征在于：包括壳体1，所述壳体1的内部设有位于上方的第一共鸣腔a、位于下方的第二共鸣腔b以及用于将第一共鸣腔a和第二共鸣腔b分隔开且用于发声的蜂鸣片2，所述定位查找器还包括与蜂鸣片2相连接的用于控制蜂鸣片2通断电的主板3以及与主板3相连接的用于为主板3供电的电源装置。
所述定位查找器采用蜂鸣片2进行发声，相比于蜂鸣器或扬声器等发声元件，蜂鸣片2的耗电量少，使用时间更长，采用纽扣电池即可满足使用要求。蜂鸣片2主要由一块两面印刷有电极的压电陶瓷板和一块金属板黄铜或不锈钢等组成。使用粘合剂，将压电振动板和金属片粘接在一起，当在压电振动板的两个电极间施加直流电压时，由于压电效应，导致机械变形，即可发出声音，由于蜂鸣片2发出的声音较小，所述定位查找器在蜂鸣片2的下方和上方设置共鸣腔，蜂鸣片2发出的声音能与第一共鸣腔a和第二共鸣腔b发生共振从而达到两头扩声的效果。
优选地，所述第一共鸣腔a和第二共鸣腔b组成一大一小的两个空间。
为了便于投光定位，所述蜂鸣片2的中部设有透光通孔21，所述透光通孔21的上方设有受主板3控制的光源31，且在第二共鸣腔b的底部设有连通外部的透光通道b1，所述光源31发出的光线依次经过透光通孔21、第二共鸣腔b和透光通道b1向外投射。
优选地，在透光通道b1中安装有可透光的投影部件5，所述投影部件5上设有投影图案，该投影图案可以设计为预定的标志，所述光源31投射在投影部件5上能向外投射显示出所述标志。
所述标志不受约束，可以是任意形状，本实施例优选为十字形。
为了进一步扩声，所述壳体1或投影部件5上还设有用于方便发声的发声通孔51。
所述投影部件5上设有延伸至透光通孔21中或延伸至透光通孔21下方的透光柱52。光源31投射的光线可经过透过柱52延伸至投影部件5上，可防止光线扩散，并且透光柱52可以将透光通孔21进行部分遮挡，加大扩声的音量。
由于蜂鸣片2为薄片结构，为了透光在蜂鸣片2的中部打孔后经通电震动发声时容易裂开，经过长期实验后发现对蜂鸣片采用特别设计的厚度和直径大小后，可以解决此问题。因此，本实施例提供如下蜂鸣片2的优选数据，所述蜂鸣片2的外周直径为：6.5mm-50mm，所述蜂鸣片2的厚度为：0.15mm-0.85mm。
优选地，所述蜂鸣片2包括基板以及设置在基板上的导电陶瓷介质,所述基板采用铜片、不锈钢片、镍合金片和铁片中的之一或其任意组合。
优选地，所述主板3安装在壳体1中并位于蜂鸣片2的上方，所述主板3与蜂鸣片2之间通过顶针6相连接。
为了便于安装，所述壳体1包括下壳体11和上壳体12。
优选地，所述上壳体12的上表面设有下凹的电池仓121，所述电源装置为纽扣电池并安装在电池仓121中，在电池仓121的顶部还盖设有盖体8。其中纽扣电池与主板之间的连接方式采用如图4所示的触点4进行连接。
优选地，所述主板3上还设有与能与外部设备相连接的通讯模块。
为了保证声音更集中不会发散，所述用于方便发声的发声通孔的单孔直径不超过10mm。
为了有助于声音借助空气在其中旋转放大，所述第二共鸣腔b呈上大下小的漏斗状。
进一步为了有助于声音借助空气在其中旋转放大，所述第二共鸣腔b和第一共鸣腔a组成漏斗状的空气环流系统。
优选地，所述透光通孔21的直径不超过6mm。
实施例二：
如图9所示，本实施例与实施例一的区别在于：所述主板3与蜂鸣片2之间通过弹性折脚7相连接。采用弹性折脚7进行主板3与蜂鸣片2之间的连接，相比于顶针6的连接方式，所述定位查找器的整体结构能更薄。
尽管本发明采用具体实施例及其替代方式对本发明进行示意和说明，但应当理解，只要不背离本发明的精神范围内的各种变化和修改均可实施。因此，应当理解除了受随附的权利要求及其等同条件的限制外，本发明不受任何意义上的限制。

Claims (16)

  1. 一种定位查找器，其特征在于：包括壳体(1)，所述壳体(1)的内部设有位于上方的第一共鸣腔(a)、位于下方的第二共鸣腔(b)以及用于发声的蜂鸣片(2)，所述蜂鸣片(2)将第一共鸣腔(a)和第二共鸣腔(b)分隔开，所述定位查找器还包括与蜂鸣片(2)相连接的用于控制蜂鸣片(2)通断电的主板(3)以及与主板(3)相连接的用于为主板(3)供电的电源装置。
  2. 根据权利要求1所述的定位查找器，其特征在于：所述第一共鸣腔(a)和第二共鸣腔(b)组成一大一小的两个空间。
  3. 根据权利要求1所述的定位查找器，其特征在于：所述蜂鸣片(2)的中部设有透光通孔(21)，所述透光通孔(21)的上方设有受主板(3)控制的光源(31)，且在第二共鸣腔(b)的底部设有连通外部的透光通道(b1)，所述光源(31)发出的光线依次经过透光通孔(21)、第二共鸣腔(b)和透光通道(b1)向外投射。
  4. 根据权利要求3所述的定位查找器，其特征在于：在透光通道(b1)中安装有能透光的投影部件(5)，所述投影部件(5)设有预定的投影图案，所述光源(31)投射在投影部件(5)上能向外投射显示所述的投影图案。
  5. 根据权利要求4所述的定位查找器，其特征在于：所述壳体(1)或投影部件(5)上还设有用于方便发声的发声通孔(51)。
  6. 根据权利要求4所述的定位查找器，其特征在于：所述投影部件(5)上设有延伸至透光通孔(21)中或延伸至透光通孔(21)下方的透光柱(52)。
  7. 根据权利要求1-6任意一项所述的定位查找器，其特征在于：所述蜂鸣片(2)的外周直径为：6.5mm-50mm，所述蜂鸣片(2)的厚度为：0.15mm-0.85mm。
  8. 根据权利要求7所述的定位查找器，其特征在于：所述蜂鸣片(2)包括基板以及设置在基板上的导电陶瓷介质,所述基板采用铜片、不锈钢片、镍合金片和铁片中的之一或其任意组合。
  9. 根据权利要求1-6任意一项所述的定位查找器，其特征在于：所述主板 (3)安装在壳体(1)并位于蜂鸣片(2)的上方，所述主板(3)与蜂鸣片(2)之间通过顶针(6)或弹性折脚(7)相连接。
  10. 根据权利要求1所述的定位查找器，其特征在于：所述壳体(1)包括下壳体(11)和上壳体(12)。
  11. 根据权利要求10所述的定位查找器，其特征在于：所述上壳体(12)的上表面设有下凹的电池仓(121)，所述电源装置为纽扣电池并安装在电池仓(121)中，在电池仓(121)的顶部还盖设有盖体(8)。
  12. 根据权利要求1所述的定位查找器，其特征在于：所述主板(3)上还设有与能与外部设备相连接的通讯模块。
  13. 根据权利要求1所述的定位查找器，其特征在于：所述第二共鸣腔(b)呈上大下小的漏斗状。
  14. 根据权利要求1所述的定位查找器，其特征在于：所述第二共鸣腔(b)和第一共鸣腔(a)组成漏斗状的空气环流系统。
  15. 根据权利要求3所述的定位查找器，其特征在于：所述透光通孔(21)的直径不超过6mm。
  16. 根据权利要求5所述的定位查找器，其特征在于：所述用于方便发声的发声通孔(51)的单孔直径不超过10mm。
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