CN110300343A - A kind of outdoor pick up facility - Google Patents
A kind of outdoor pick up facility Download PDFInfo
- Publication number
- CN110300343A CN110300343A CN201910369836.1A CN201910369836A CN110300343A CN 110300343 A CN110300343 A CN 110300343A CN 201910369836 A CN201910369836 A CN 201910369836A CN 110300343 A CN110300343 A CN 110300343A
- Authority
- CN
- China
- Prior art keywords
- pickup
- separator
- pickup part
- facility
- sound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
- H04R1/083—Special constructions of mouthpieces
- H04R1/086—Protective screens, e.g. all weather or wind screens
Abstract
The present invention proposes a kind of outdoor pick up facility, and the outdoor pick up facility includes: shell, and the shell has an installation cavity, and the shell is equipped with opening;Separator, on the housing and in the installation cavity, separator is equipped with acoustic hole for the separator installing, and the bottom wall of the separator and the installation cavity encloses pickup chamber;Pickup part, the pickup part include acoustical-electrical transducer part, low noise amplifier circuit for sound frequency signal, and it is intracavitary that the pickup part is set to the pickup;Wherein, there are gap, extraneous sound is passed in the installation cavity from the gap and is passed to the pickup part after the reflection of the bottom wall of the installation cavity for the main body of the separator and the shell.Outdoor pick up facility provided by the invention keeps apart pickup part with external environment, pickup part is avoided to pick up to sound of the wind, greatly reduce the probability that microphone pickup wind is made an uproar, improve the pickup quality of pickup part, simultaneously, separator also keeps apart extraneous rainwater with pickup part, avoids equipment inner structure dampness or water inlet, improves the service life of product.
Description
Technical field
The present invention relates to field of audio devices, in particular to a kind of outdoor pick up facility.
Background technique
Due to consideration that sound is needed through air transmitted, currently, the surface of pick up facility is all there are acoustic hole so that sound
Sound enters pick up facility by acoustic hole and obtains sound, when this pick up facility is used outdoors, since acoustic hole is located at pickup
The surface of equipment easily causes equipment inner structure to make moist or intake, impacts to the working performance of equipment, when serious even
Equipment is caused to be got rusty damage.
Summary of the invention
The main object of the present invention is to provide a kind of outdoor pick up facility, it is intended to when solving pick up facility use outdoors, by
It is located at the surface of pick up facility in acoustic hole, easily causes equipment inner structure to make moist or intake, the working performance of equipment is made
Equipment is even resulted at influence, when serious to get rusty the problem of damaging.
To achieve the above object, the present invention proposes a kind of outdoor pick up facility, and the outdoor pick up facility includes: shell,
The shell has an installation cavity, and the shell is equipped with opening;Separator, the separator install on the housing simultaneously position
In in the installation cavity, the bottom wall of the separator and the installation cavity encloses pickup chamber;Pickup part, the pickup part include
Acoustical-electrical transducer part, low noise amplifier circuit for sound frequency signal, it is intracavitary that the pickup part is set to the pickup;Wherein, it is described every
There are gap, extraneous sound is passed to from the gap in the installation cavity and by the installation for the main body of off member and the shell
The pickup part is passed to after the bottom wall reflection of chamber.
Preferably, the separator is recessed fluted, and the bottom wall of the groove and the installation cavity encloses the pickup
Chamber, it is intracavitary that the pickup part is installed on the pickup.
Preferably, the outdoor pick up facility further includes microphone set, and the microphone set is wrapped in the surface of the pickup part,
It is arranged in the groove jointly with the pickup part.
Preferably, for the notch of the groove circumferentially around there is a circle isolation board, the isolation board is equipped with fixed column, described
Fixed column is fixedly connected with the bottom wall.
Preferably, the position of the acoustic hole and the fixed column are staggeredly located out.
Preferably, the outdoor pick up facility further includes sound net, and the sound is provided with protrusion on the net, the installation cavity it is interior
Sound net fixation hole is offered on wall, the protrusion is inserted into the sound net fixation hole with the fixation sound net.
Preferably, through-hole is offered on the bottom wall, the connecting line of the outdoor pick up facility is drawn from the through-hole.
Preferably, the shell is extended with stud to installation direction, is provided with screw thread on the outer surface of the stud.
Preferably, the separator is plastic cement, and the shell is made of stainless steel material.
Technical solution of the present invention is installed on shell by the way that a separator is arranged in the shell of pick up facility, and by separator
Installation cavity in the bottom wall of device chamber enclose pickup chamber, then in the intracavitary setting pickup part of the pickup, wherein separator
There are gap, extraneous sound is passed in installation cavity and is mounted from the acoustic hole on the gap and separator for main body and shell
Pickup part is passed to so that pickup part can pick up sound without barrier after the bottom wall reflection of chamber.Since pickup part is in pickup chamber
In, separator, which keeps apart pickup part with external environment, to be not directly contacted with, and therefore, wind will not be formed pair on the surface of pickup part
Stream picks up to sound of the wind so as to avoid pickup part, greatly reduces the probability that microphone pickup wind is made an uproar, improve picking up for pickup part
Sound quality, meanwhile, separator also keeps apart extraneous rainwater with pickup part, avoid equipment inner structure make moist or into
Water improves the service life of product.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the decomposition texture schematic diagram of the outdoor pick up facility of the present invention;
Fig. 2 is the structural schematic diagram of the separator of the outdoor pick up facility of the present invention;
Fig. 3 is the structural schematic diagram of the shell of pick up facility outside invention room.
Drawing reference numeral explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as referring to
Show or imply its relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " are defined as a result,
Two " feature can explicitly or implicitly include at least one of the features.In addition, the technical solution between each embodiment can
It to be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution occurs
Conflicting or cannot achieve when, will be understood that the combination of this technical solution is not present, also not the present invention claims protection model
Within enclosing.
As shown in Figure 1, the outdoor pick up facility includes: shell 10, institute the invention proposes a kind of outdoor pick up facility
Shell 10 is stated with an installation cavity 14, the shell 10 is equipped with opening;Separator 20, the separator 20 are installed in the shell
On body 10 and it is located in the installation cavity 14, the bottom wall (not indicating in figure) of the separator 20 and the installation cavity 14 encloses
Pickup chamber (does not indicate) in figure;Pickup part 30, it is intracavitary that the pickup part 30 is set to the pickup;Wherein, the separator 20
Main body and the shell 10 there are gap, extraneous sound is incoming described from the acoustic hole 22 on the gap and separator 20
In installation cavity 14 and the pickup part 30 is passed to after the reflection of the bottom wall of the installation cavity 14.
In the present embodiment, installation cavity 14 has side wall (not indicating in figure) and bottom wall, and side wall is annular wall, the opening
It is opposite with the bottom wall, installation cavity 14 is connected to external environment, to guarantee that sound can enter installation cavity 14 from opening.Separator
20 are installed on the bottom wall of installation cavity 14, are enclosed pickup chamber with the bottom wall of installation cavity 14, pickup part 30 is located at the pickup
In chamber.In order to enable pickup part 30 clearly to pick up sound, there are gap, isolation between the main body and bottom wall of separator 20
There is acoustic hole 22 on part 20, so that sound passes through, in the preferred embodiment, the main body of separator 20 is round (as shown in Figure 2),
Its diameter is less than the diameter of annular wall, after separator 20 is installed in installation cavity 14, between the main body and annular wall of separator 20
There are gaps simultaneously, there is also gap so that sound is passed to pickup chamber between the main body of separator 20 and the bottom wall of installation cavity 14
In.Pickup part 30 is located in installation cavity 14, offers pickup hole thereon to pick up sound, sound enters pickup along gap from opening
After chamber, a part directly can enter pickup part 30 by pickup hole, and another part can be reflected into pickup chamber by bottom wall, with
Guarantee good pickup effect.Pickup part 20 includes acoustical-electrical transducer part (not indicating in figure), low noise sound audio signals amplification electricity
Road (does not indicate) in figure, completes the pickup to sound by the acoustical-electrical transducer part of pickup part 20 and is converted into electric signal, by low noise
Sound audio signals amplifying circuit is completed then to be sent to late-class circuit through connecting line 31 to the signal processing of sound.
10 pairs of shell outdoor most of beam wind block, and separator 20 and shell 10 form double barrier, have cut off sky
The path of gas convection current shields the sound of the wind outside shell 10, therefore the pickup of pickup part 30 is the clean speech letter for eliminating wind and making an uproar
Number, achieve the effect that radix saposhnikoviae, be not in due to wind make an uproar it is too big and the case where do not hear normal sound, improve pickup part 30
Pickup quality.10 pairs of shell outdoor most of rainwater block, and fraction rainwater is hindered in 14 inner wall of installation cavity by separator 20
Every and flow out, cannot be introduced into internal structure, and directly outwardly due to the pickup hole of pickup part 30, so rainwater can not be by
Pickup hole enters, and extraneous rainwater is difficult to contact with pickup part 30, avoids equipment inner structure dampness or water inlet, improves production
The service life of product.
Optionally, the bottom wall of the separator 20 recessed fluted 24, the groove 24 and the installation cavity 14 encloses
The pickup chamber, it is intracavitary that the pickup part 30 is installed on the pickup.
In specific implement, groove 24 is located at the middle position of separator 20, forms pickup chamber by groove 24 and bottom wall,
Pickup part 30 is located in groove 24, even if there is a small amount of rainwater to enter installation cavity 14 from the gap of separator 20 and shell 10
It may not flow into groove 24, avoid the inside that rainwater enters pickup part 30 from pickup hole, sound enters bottom after pickup chamber
Sound reflection is entered groove 24 by wall, enters pickup part 30 from the pickup hole on 30 surface of pickup part, wind is by shell 10 and separator 20
Barrier outside, will not form convection current on the surface of pickup part 30, greatly reduce pickup part 30 and pick up the probability made an uproar to wind, guarantee
The audio of pick up facility.The outdoor pick up facility can reach IP67 grades of waterproof ability, and can prevent outdoor wind from making an uproar, and be suitble to
Outdoor and severe wind and rain weather uses.
Further, the outdoor pick up facility further includes microphone set 40, and the microphone set 40 is wrapped in the pickup part
30 surface is set in the groove 24 jointly with the pickup part 30.
Microphone set 40 is set in the surface of pickup part 30, is installed in groove 24 together with pickup part 30, and microphone set 40 is filled out
It fills in the gap of 24 inner wall of groove and pickup part 30, the effect of bumper and absorbing shock and fastening can be played to pickup part 30, is prevented
Pickup part 30 is detached from out of groove 24, can also be played a protective role to pickup part 30 when pick up facility is by external force, be avoided picking up
The inner wall of sound part 30 and groove 24, which bumps against to pick up, arrives collision noise;Meanwhile microphone set 40 also has certain water-proof function, protects
Its internal pickup part 30 avoids contact to water.
Specifically, it is also provided with line outlet groove 23 on the side wall of the groove 24, the connecting line 31 of the pickup part 30 is from institute
State the extraction of line outlet groove 23;Offer through-hole 13 on the bottom wall, the connecting line 31 of the outdoor pick up facility is from the through-hole 13
It draws.
The connecting line 31 of pickup part 30 is drawn from line outlet groove 23 can guarantee that microphone set 40 and the inner wall of groove 24 closely paste
The case where closing, microphone set 40 will not be made not to be bonded with the generation of the inner wall of groove 24 because of the presence of connecting line 31, pickup
Part 30 will not collide with the inner wall of groove 24 and generate vibration, ensure that the pickup quality of pick up facility.Through-hole 13 on bottom wall is right
It should be opened up in line outlet groove 23, in the present embodiment, pickup part 30 is electret microphone, and the inside of electret microphone includes vibrating membrane
And sound treatment circuit, treated, and sound is set directly through through-hole 13 with external after the extraction of line outlet groove 23 by connecting line 31
Standby connection, by late-class circuit after electric signal transmission.In the present embodiment, the connecting line 31 is 2pin conducting wire.
As one embodiment, as shown in Fig. 2, 24 notch of the groove circumferentially around there is a circle isolation board 25, it is described
Isolation board 25 is equipped with fixed column 21, and the fixed column 21 is fixedly connected with the bottom wall.
Fixed column 21 protrudes from the surface of isolation board 25, and therefore, separator 20 is fixed on installation cavity 14 by fixed column 21
Bottom wall after, there is also gaps for the sound of bottom wall and isolation board 25, so that pickup chamber is in communication with the outside, the propagation for constituting sound is logical
Road.Fixed column 21 is hollow structure, and the position that fixed column 21 is corresponded on bottom wall offers mounting hole (not indicating in figure), fixed
Column 21 is cooperatively formed with mounting hole to be threadedly coupled so that separator 20 to be fixed in installation cavity 14.In the preferred embodiment, fixed
The quantity of column 21 is three, is circumferentially uniformly distributed on isolation board 25, so that 25 stress equalization of isolation board.
Further, acoustic hole 22, the position of the acoustic hole 22 and the fixed column are offered on the isolation board 25
21 are staggeredly located out.
The acoustic hole 22 opened up on isolation board 25 guarantees that extraneous sound can fully be passed to pickup intracavitary, pickup part 30
Enough volumes can be got, acoustic hole 22 opens up being staggeredly located out for position and fixed column 21.In the preferred embodiment,
Acoustic hole 22 there are three being set between fixed column 21 two-by-two.
The outdoor pick up facility further includes sound net (not indicating in figure), and the sound is provided with protrusion, the installation on the net
Sound net fixation hole 11 is offered on the inner wall of chamber 14, the protrusion is inserted into the sound net fixation hole 11 with the fixation sound net.
In specific implement, sound net fixation hole 11 is directly arranged on the inner wall of installation cavity 14, the online protrusion insertion of sound
Achieve the purpose that stationary tone net, sound net are located at the opening of shell 10, prevent foreign matter from entering installation cavity into sound net fixation hole 11
In 14, play a protective role to the device in installation cavity 14.It should be understood that sound net fixation hole 11 can also be consolidated by one layer of sound net
Determine ring and be inserted into formation in installation cavity 14, at this point, being provided with raised position (not indicating in figure), sound net on the net corresponding to sound
The gap that gap between 14 inner wall of fixed ring and installation cavity is greater than other positions forms sound net fixation hole 11, and protrusion is inserted into this
It similarly can reach the purpose of stationary tone net in sound net fixation hole 11.
Specifically, the shell 10 is extended with stud 12 to installation direction, is provided with spiral shell on the outer surface of the stud 12
Line is tight structure between screw thread and external equipment, has waterproof action, prevent rainwater from thus entering in product at interface position
Portion.
In the present embodiment, outdoor pick up facility is fixedly connected on external equipment by stud 12, the outer surface of stud 12
Realize that outdoor pick up facility is threadedly coupled with external equipment equipped with screw thread, installation can be completed in simple rotation.
As one embodiment, the separator 20 is plastic cement, and the shell 10 is made of stainless steel material.
Stainless steel material has preferable reflex to sound, and the incoming pickup of sound is intracavitary, the metallic walls and modeling of shell 10
Glue separator 20 reflects sound, completes the pickup to sound by the acoustical-electrical transducer part of pickup part 20 and is converted into telecommunications
Number, completed by low noise amplifier circuit for sound frequency signal to the signal processing of sound, exported by connecting line 31 to late-class circuit, compared with
In good embodiment, the cavity wall of the pickup hole face installation cavity 14 of pickup part 20 can effectively pick up the sound reflected in this way.
Separator 20 can play insulating effect using plastic material, and can prevent from degenerating after contact rainwater getting rusty.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the design of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/it is used in it indirectly
He is included in scope of patent protection of the invention relevant technical field.
Claims (10)
1. it is a kind of outdoor pick up facility, which is characterized in that it is described outdoor pick up facility include:
Shell, the shell have an installation cavity, and the shell is equipped with opening;
Separator, on the housing and in the installation cavity, separator is equipped with acoustic hole, institute for the separator installing
The bottom wall for stating separator and the installation cavity encloses pickup chamber;
Pickup part, the pickup part include acoustical-electrical transducer part, low noise amplifier circuit for sound frequency signal, and the pickup part is set to
The pickup is intracavitary;
Wherein, there are gap, extraneous sound is passed to the installation from the gap for the main body of the separator and the shell
It is intracavitary and by the bottom wall of the installation cavity reflection after be passed to the pickup part.
2. according to outdoor pick up facility described in claim 1, which is characterized in that the separator is recessed fluted, the groove
The pickup chamber is enclosed with the bottom wall of the installation cavity, it is intracavitary that the pickup part is installed on the pickup.
3. outdoor pick up facility according to claim 2, which is characterized in that the outdoor pick up facility further includes microphone
Set, the microphone set are wrapped in the surface of the pickup part, are arranged in the groove jointly with the pickup part.
4. outdoor pick up facility according to claim 2, which is characterized in that be also provided with outlet on the side wall of the groove
The connecting line of slot, the pickup part is drawn from the line outlet groove.
5. outdoor pick up facility according to claim 2, which is characterized in that the notch of the groove is circumferentially around there is a circle
Isolation board, the isolation board are equipped with fixed column, and the fixed column is fixedly connected with the bottom wall.
6. outdoor pick up facility according to claim 1, which is characterized in that the position of the acoustic hole and the fixed column
Be staggeredly located out.
7. outdoor pick up facility according to claim 1, which is characterized in that the outdoor pick up facility further includes sound net,
The sound is provided with protrusion on the net, and sound net fixation hole is offered on the inner wall of the installation cavity, and the protrusion is inserted into the sound net
With the fixation sound net in fixation hole.
8. outdoor pick up facility according to claim 1, which is characterized in that offer through-hole, the room on the bottom wall
The connecting line of outer pick up facility is drawn from the through-hole.
9. outdoor pick up facility according to claim 1, which is characterized in that the shell is extended with spiral shell to installation direction
Column is provided with screw thread on the outer surface of the stud.
10. it is according to claim 1 outdoor pick up facility, which is characterized in that the separator be plastic cement, the shell by
Stainless steel material is constituted.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910369836.1A CN110300343B (en) | 2019-04-30 | 2019-04-30 | Outdoor pickup equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910369836.1A CN110300343B (en) | 2019-04-30 | 2019-04-30 | Outdoor pickup equipment |
Publications (2)
Publication Number | Publication Date |
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CN110300343A true CN110300343A (en) | 2019-10-01 |
CN110300343B CN110300343B (en) | 2021-07-13 |
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Family Applications (1)
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CN201910369836.1A Active CN110300343B (en) | 2019-04-30 | 2019-04-30 | Outdoor pickup equipment |
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CN (1) | CN110300343B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112014681A (en) * | 2020-08-05 | 2020-12-01 | 深圳供电局有限公司 | Ground pickup device for fault location of high-voltage cable |
CN112770207A (en) * | 2020-12-25 | 2021-05-07 | 深圳供电局有限公司 | Sound transmission device |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102860038A (en) * | 2010-04-21 | 2013-01-02 | 楼氏电子亚洲有限公司 | Microphone |
CN103347224A (en) * | 2013-06-05 | 2013-10-09 | 歌尔声学股份有限公司 | Vocal cavity structure for reducing pickup wind noise of microphone |
CN203872311U (en) * | 2014-03-26 | 2014-10-08 | 长沙理工大学 | Outdoor sound pickup housing |
CN105451143A (en) * | 2015-12-23 | 2016-03-30 | 苏州百丰电子有限公司 | Windproof microporous waterproof type electret condenser microphone |
CN205213002U (en) * | 2015-11-19 | 2016-05-04 | 广东博安至高电子科技有限公司 | Meeting microphone acoustics structure |
CN105721998A (en) * | 2016-04-27 | 2016-06-29 | 歌尔声学股份有限公司 | Separated cavity packaging structure of integrated sensor |
CN106878842A (en) * | 2017-04-27 | 2017-06-20 | 深圳市韶音科技有限公司 | A kind of wind resistance is made an uproar microphone structure |
CN107241664A (en) * | 2017-08-09 | 2017-10-10 | 深圳北鱼信息科技有限公司 | A kind of microphone assembly |
-
2019
- 2019-04-30 CN CN201910369836.1A patent/CN110300343B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102860038A (en) * | 2010-04-21 | 2013-01-02 | 楼氏电子亚洲有限公司 | Microphone |
CN103347224A (en) * | 2013-06-05 | 2013-10-09 | 歌尔声学股份有限公司 | Vocal cavity structure for reducing pickup wind noise of microphone |
CN203872311U (en) * | 2014-03-26 | 2014-10-08 | 长沙理工大学 | Outdoor sound pickup housing |
CN205213002U (en) * | 2015-11-19 | 2016-05-04 | 广东博安至高电子科技有限公司 | Meeting microphone acoustics structure |
CN105451143A (en) * | 2015-12-23 | 2016-03-30 | 苏州百丰电子有限公司 | Windproof microporous waterproof type electret condenser microphone |
CN105721998A (en) * | 2016-04-27 | 2016-06-29 | 歌尔声学股份有限公司 | Separated cavity packaging structure of integrated sensor |
CN106878842A (en) * | 2017-04-27 | 2017-06-20 | 深圳市韶音科技有限公司 | A kind of wind resistance is made an uproar microphone structure |
CN107241664A (en) * | 2017-08-09 | 2017-10-10 | 深圳北鱼信息科技有限公司 | A kind of microphone assembly |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112014681A (en) * | 2020-08-05 | 2020-12-01 | 深圳供电局有限公司 | Ground pickup device for fault location of high-voltage cable |
CN112014681B (en) * | 2020-08-05 | 2023-08-11 | 深圳供电局有限公司 | Ground pickup device for positioning high-voltage cable faults |
CN112770207A (en) * | 2020-12-25 | 2021-05-07 | 深圳供电局有限公司 | Sound transmission device |
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