CN110139016B - Multi-microphone system of head-mounted camera - Google Patents
Multi-microphone system of head-mounted camera Download PDFInfo
- Publication number
- CN110139016B CN110139016B CN201910529365.6A CN201910529365A CN110139016B CN 110139016 B CN110139016 B CN 110139016B CN 201910529365 A CN201910529365 A CN 201910529365A CN 110139016 B CN110139016 B CN 110139016B
- Authority
- CN
- China
- Prior art keywords
- clamp
- mounting
- head
- positioning
- microphone system
- 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.)
- Active
Links
- 238000009434 installation Methods 0.000 claims description 21
- 230000001681 protective effect Effects 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/04—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or holding steady relative to, a person, e.g. by chains, e.g. rifle butt or pistol grip supports, supports attached to the chest or head
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- Multimedia (AREA)
- Studio Devices (AREA)
Abstract
The invention relates to the technical field of microphone systems, in particular to a multi-microphone system of a head-mounted camera, which comprises a clamp, wherein one side of the clamp is provided with a camera through a mounting mechanism, the other side of the clamp is provided with a plurality of microphones through a connecting mechanism, the clamp is also provided with a control module, and when multi-application concurrency occurs, the control module starts different microphones through an MCU according to different requirements of application on audio acquisition to acquire data. The invention solves the problem that in the process of concurrent use of multi-purpose intelligent hardware, because a plurality of applications are used, microphone data are required to be acquired, and the audio output by the microphone cannot be acquired by individual applications.
Description
Technical Field
The invention relates to the technical field of microphone systems, in particular to a multi-microphone system of a head-mounted camera.
Background
The head-mounted camera is widely applied because the head-mounted camera can conveniently track and shoot at the visual angle of a user and is often matched with a microphone to form a head-mounted camera microphone system, the head-mounted camera microphone system in the prior art can realize the collection work of video and audio, but in the process of concurrent use of multipurpose intelligent hardware, because a plurality of applications are used in parallel, microphone data are required to be collected, and the audio output by the microphone cannot be obtained by individual applications.
Disclosure of Invention
The invention aims to solve the defect that the microphone can not be used in parallel by multiple applications in the prior art, and provides a multi-microphone system of a head-mounted camera.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a many microphone systems of head-mounted camera, includes the clamp, the camera is installed through installation mechanism to one side of clamp, a plurality of microphones are installed through coupling mechanism to the opposite side of clamp, still be equipped with control module on the clamp, control module is when appearing many application concurrency, carries out data acquisition through MCU start different microphones according to the difference of application to the audio acquisition demand.
Preferably, the installation mechanism comprises an installation frame arranged on one side of the clamp, a screw is inserted into an installation hole formed in the installation frame, one end of the screw is in threaded connection with a locking nut, the other end of the screw is vertically connected with an installation cylinder, a camera is installed in the installation cylinder, a friction ring is sleeved on the screw between the installation cylinder and the installation frame, and the friction ring is a rubber ring.
Preferably, both ends of the camera are sleeved with protective sleeves, two protective sleeves are respectively positioned at both sides of the mounting cylinder, the outer wall of the protective sleeve is coaxially connected with a connecting ring, and the two connecting rings are connected through a plurality of connecting bolts which are parallel to each other.
Preferably, the connecting mechanism comprises a connecting plate connected with one side of the clamp, the connecting plate is rotationally connected with one end of the mounting plate through a connecting shaft, the other end of the mounting plate is provided with a mounting shell, and a plurality of microphones are all arranged in the mounting shell.
Preferably, the clamp is circular arc, the both ends of clamp are connected with the linking bridge respectively, be equipped with the connecting rod on the linking bridge, the cover is equipped with the connecting cylinder on the connecting rod, two the connecting cylinder is connected with the one end of first elastic cord and second elastic cord respectively, be connected through swing joint mechanism between the other end of first elastic cord and the other end of second elastic cord.
Preferably, the movable connecting mechanism comprises a second locating plate connected with the end part of the first elastic band and a first locating plate connected with the end part of the second elastic band, locating holes are formed in the second locating plate at equal intervals, locating rods are vertically connected to the surface of the first locating plate, and the locating rods penetrate through one of the locating holes and are connected with spherical locating blocks at the end parts.
Preferably, the middle part inner wall of clamp is connected with crescent first cushion, be connected with cuboid form second cushion on the both sides inner wall of clamp, first cushion and second cushion are made for the sponge.
Preferably, the control module comprises a CPU, the CPU is connected with an MCU through a wire, the MCU is connected with a plurality of microphones through wires, the CPU is connected with a camera and a main board power supply circuit through wires, and the main board power supply circuit is connected with a power supply system through wires.
Preferably, one side of clamp is equipped with the installation cover, the control box is equipped with in the installation cover, install set screw on the installation cover, set screw and control box threaded connection, be equipped with the mainboard in the control box, CPU, MCU, mainboard power supply circuit and electrical power generating system all establish on the mainboard.
Preferably, a key is arranged on the outer wall of the control box, and the key is connected with the CPU through a wire.
The multi-microphone system of the head-mounted camera provided by the invention has the beneficial effects that:
1. the invention adopts the head-mounted camera and the microphone system, is convenient to carry, and is convenient for tracking shooting and recording;
2. the multiple microphones are arranged, and each microphone can work independently to realize recording, so that data acquisition can be performed respectively when multiple applications are concurrent;
3. the control module is arranged, when multi-application concurrency occurs, different microphones can be started through the MCU according to different requirements of the application on audio acquisition to acquire data;
4. The invention solves the problem that in the process of concurrent use of multipurpose intelligent hardware, because a plurality of applications are used, microphone data are required to be acquired, and thus individual applications cannot acquire audio output by microphones.
Drawings
Fig. 1 is an isometric view of a multi-microphone system of a headset camera according to the present invention;
FIG. 2 is a schematic diagram of the structure at A in FIG. 1;
FIG. 3 is a schematic diagram of the structure at B in FIG. 1;
FIG. 4 is an isometric view of another view of a headset multi-microphone system according to the present invention;
fig. 5 is a system block diagram of a control module of a multi-microphone system of a headset camera according to the present invention.
In the figure: the clamp 1, a first cushion block 2, a mounting shell 3, a mounting plate 4, a control box 5, a mounting sleeve 6, a connecting cylinder 7, a first elastic band 8, a positioning screw 9, a second elastic band 10, a protective sleeve 11, a connecting ring 12, a connecting bolt 13, a mounting cylinder 14, a camera 15, a second cushion block 16, a connecting plate 17, a locking nut 18, a screw 19, a positioning rod 20, a mounting frame 21, a friction ring 22, a first positioning plate 23, a second positioning plate 24, a positioning hole 25, a positioning block 26, a connecting shaft 27, a connecting bracket 28 and a key 29.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-5, a multi-microphone system of a head-mounted camera includes a clamp 1, a camera 15 is installed on one side of the clamp 1 through a mounting mechanism, a plurality of microphones are installed on the other side of the clamp 1 through a connecting mechanism, a control module is further arranged on the clamp 1, and when multi-application concurrency occurs, the control module starts different microphones through an MCU according to different requirements of application on audio collection to perform data collection. The clamp 1 is adopted to fix the head position, so that the portable tracking device is convenient to carry, track, shoot and record; the multiple microphones are arranged, and each microphone can work independently to realize recording, so that data acquisition can be performed respectively when multiple applications are concurrent; the control module is arranged, when multi-application concurrency occurs, different microphones can be started through the MCU according to different requirements of the application on audio acquisition to acquire data; the method solves the problem that in the process of concurrent use of the multipurpose intelligent hardware, because a plurality of applications are used, microphone data are required to be collected, and therefore individual applications cannot acquire audio output by the microphone.
The installation mechanism comprises an installation frame 21 arranged on one side of the clamp 1, a screw 19 is inserted into an installation hole formed in the installation frame 21, one end of the screw 19 is in threaded connection with a locking nut 18, the other end of the screw 19 is vertically connected with an installation cylinder 14, a camera 15 is installed in the installation cylinder 14, a friction ring 22 is sleeved on the screw 19 between the installation cylinder 14 and the installation frame 21, and the friction ring 22 is a rubber ring. The mounting cylinder 14 can rotate around the axis of the screw 19 so as to adjust the shooting angle of the camera 15, the friction force between the mounting cylinder 14 and the mounting frame 21 can be increased through the friction ring 22, so that the mounting cylinder 14 can keep the shooting angle, the clamping force of the mounting cylinder 14 to the friction ring 22 can be adjusted through the locking nut 18, and the magnitude of the friction force between the friction ring 22 and the mounting cylinder 14 is adjusted.
The two ends of the camera 15 are sleeved with protective sleeves 11, the two protective sleeves 11 are respectively positioned on two sides of the mounting cylinder 14, the outer wall of the protective sleeve 11 is coaxially connected with connecting rings 12, and the two connecting rings 12 are connected through a plurality of connecting bolts 13 which are parallel to each other. The protection can be carried out to the camera 15 through protective sheath 11, reduces the collision damage to the camera 15 when getting when putting this microphone system, and the mounting means is that two protective sheaths 11 embolia from camera 15 both ends, then through connecting bolt 13 connect two go-between 12 can, go-between 12 adopts the metal ring, and protective sheath 11 adopts the sponge cover.
The connecting mechanism comprises a connecting plate 17 connected with one side of the clamp 1, the connecting plate 17 is rotationally connected with one end of the mounting plate 4 through a connecting shaft 27, the other end of the mounting plate 4 is provided with a mounting shell 3, and a plurality of microphones are all arranged in the mounting shell 3. The position of the microphone can be adjusted by rotating the mounting plate 4.
The clamp 1 is arc, and the both ends of clamp 1 are connected with linking bridge 28 respectively, are equipped with the connecting rod on the linking bridge 28, and the cover is equipped with connecting cylinder 7 on the connecting rod, and two connecting cylinders 7 are connected with the one end of first elastic cord 8 and second elastic cord 10 respectively, are connected through swing joint mechanism between the other end of first elastic cord 8 and the other end of second elastic cord 10. The clamp 1 is easy to wear by the first elastic band 8 and the second elastic band 10.
The movable connecting mechanism comprises a second positioning plate 24 connected with the end part of the first elastic belt 8 and a first positioning plate 23 connected with the end part of the second elastic belt 10, positioning holes 25 are formed in the second positioning plate 24 at equal intervals, the surface of the first positioning plate 23 is vertically connected with a positioning rod 20, and the positioning rod 20 penetrates through one of the positioning holes 25 and is connected with a spherical positioning block 26 at the end part. By inserting the positioning rod 20 into different positioning holes 25, the tightness when worn can be adjusted conveniently.
The middle part inner wall of clamp 1 is connected with crescent first cushion 2, is connected with cuboid form second cushion 16 on the both sides inner wall of clamp 1, and first cushion 2 and second cushion 16 are made for the sponge. The first pad 2 and the second pad 16 are used for providing buffering force and improving comfort when being worn.
The control module comprises a CPU, the CPU is connected with an MCU through a wire, the MCU is connected with a plurality of microphones through wires, the CPU is connected with a camera 15 and a main board power supply circuit through wires, and the main board power supply circuit is connected with a power supply system through wires. The MCU is controlled by the CPU to turn on different microphones.
One side of the clamp 1 is provided with a mounting sleeve 6, a control box 5 is inserted in the mounting sleeve 6, a positioning screw 9 is arranged on the mounting sleeve 6 in a threaded manner, the positioning screw 9 is in threaded connection with the control box 5, a main board is arranged in the control box 5, and a CPU, an MCU, a main board power supply circuit and a power supply system are all arranged on the main board. The outer wall of the control box 5 is provided with a key 29, and the key 29 is connected with the CPU through a lead. The system is controlled by the keys 29, and the control module is convenient to install in a centralized way by the control box 5.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides a multi-microphone system of head-mounted camera, includes clamp (1), its characterized in that, install camera (15) through installation mechanism in one side of clamp (1), a plurality of microphones are installed through coupling mechanism to the opposite side of clamp (1), still be equipped with control module on clamp (1), control module is when appearing the concurrency of many applications, starts different microphones through MCU according to the difference of application to the audio acquisition demand and carries out data acquisition;
The connecting mechanism comprises a connecting plate (17) connected with one side of the clamp (1), the connecting plate (17) is rotationally connected with one end of the mounting plate (4) through a connecting shaft (27), the other end of the mounting plate (4) is provided with a mounting shell (3), and a plurality of microphones are all arranged in the mounting shell (3);
The clamp (1) is arc-shaped, two ends of the clamp (1) are respectively connected with a connecting bracket (28), connecting rods are arranged on the connecting brackets (28), connecting cylinders (7) are sleeved on the connecting rods, the two connecting cylinders (7) are respectively connected with one ends of a first elastic belt (8) and a second elastic belt (10), and the other ends of the first elastic belt (8) and the second elastic belt (10) are connected through a movable connecting mechanism;
The movable connecting mechanism comprises a second positioning plate (24) connected with the end part of the first elastic belt (8) and a first positioning plate (23) connected with the end part of the second elastic belt (10), positioning holes (25) are formed in the second positioning plate (24) at equal intervals, positioning rods (20) are vertically connected to the surface of the first positioning plate (23), and the positioning rods (20) penetrate through one of the positioning holes (25) and are connected with spherical positioning blocks (26) at the end parts.
2. The multi-microphone system for the head-mounted camera according to claim 1, wherein the mounting mechanism comprises a mounting frame (21) arranged on one side of the clamp (1), a screw (19) is inserted into a mounting hole formed in the mounting frame (21), one end of the screw (19) is in threaded connection with a locking nut (18), the other end of the screw (19) is vertically connected with a mounting cylinder (14), the camera (15) is mounted in the mounting cylinder (14), and a friction ring (22) is sleeved on the screw (19) between the mounting cylinder (14) and the mounting frame (21), and the friction ring (22) is a rubber ring.
3. The multi-microphone system for the head-mounted camera according to claim 2, wherein two ends of the camera (15) are respectively sleeved with a protective sleeve (11), two protective sleeves (11) are respectively positioned at two sides of the mounting cylinder (14), connecting rings (12) are coaxially connected to the outer wall of the protective sleeve (11), and the two connecting rings (12) are connected through a plurality of connecting bolts (13) which are parallel to each other.
4. The multi-microphone system of the head-mounted camera according to claim 1, wherein a crescent-shaped first cushion block (2) is connected to the inner wall of the middle part of the clamp (1), cuboid-shaped second cushion blocks (16) are connected to the inner walls of the two sides of the clamp (1), and the first cushion block (2) and the second cushion block (16) are made of sponge.
5. The head-mounted camera multi-microphone system according to claim 1, wherein the control module comprises a CPU, the CPU is connected with an MCU through a wire, the MCU is connected with a plurality of microphones through wires, the CPU is connected with a camera (15) and a main board power supply circuit through wires, and the main board power supply circuit is connected with a power supply system through wires.
6. The multi-microphone system for the head-mounted camera according to claim 5, wherein a mounting sleeve (6) is arranged on one side of the clamp (1), a control box (5) is inserted into the mounting sleeve (6), a positioning screw (9) is mounted on the mounting sleeve (6) in a threaded manner, the positioning screw (9) is in threaded connection with the control box (5), a main board is arranged in the control box (5), and the CPU, the MCU, the main board power supply circuit and the power supply system are all arranged on the main board.
7. The multi-microphone system of the head-mounted camera according to claim 6, wherein keys (29) are arranged on the outer wall of the control box (5), and the keys (29) are connected with the CPU through wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910529365.6A CN110139016B (en) | 2019-07-05 | 2019-07-05 | Multi-microphone system of head-mounted camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910529365.6A CN110139016B (en) | 2019-07-05 | 2019-07-05 | Multi-microphone system of head-mounted camera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110139016A CN110139016A (en) | 2019-08-16 |
| CN110139016B true CN110139016B (en) | 2024-06-07 |
Family
ID=67577878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910529365.6A Active CN110139016B (en) | 2019-07-05 | 2019-07-05 | Multi-microphone system of head-mounted camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110139016B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102871263A (en) * | 2012-10-11 | 2013-01-16 | 中国人民解放军总后勤部军需装备研究所 | Embedded digital on-duty recording device for military large-brimmed hat |
| CN103960815A (en) * | 2013-01-31 | 2014-08-06 | 上海晨兴希姆通电子科技有限公司 | Safety helmet |
| JP2016139881A (en) * | 2015-01-27 | 2016-08-04 | 国立大学法人 名古屋工業大学 | Head mount display |
| CN205487330U (en) * | 2015-12-28 | 2016-08-17 | 天津天大天星智能物联技术有限公司 | Controller based on pronunciation array |
| CN206147395U (en) * | 2016-08-19 | 2017-05-03 | 微美光速资本投资管理（北京）有限公司 | Wear virtual reality device |
| WO2017156622A1 (en) * | 2016-03-13 | 2017-09-21 | Rising Sun Productions Limited | Head-mounted audiovisual capture device |
| CN107209375A (en) * | 2015-10-23 | 2017-09-26 | 深圳市柔宇科技有限公司 | Head-mounted display apparatus, prompt message show system and method |
| CN207039845U (en) * | 2017-08-16 | 2018-02-23 | 深圳市华德安科技有限公司 | Wear-type video and audio harvester |
| CN209692900U (en) * | 2019-06-19 | 2019-11-26 | 昆山玖趣智能科技有限公司 | A kind of head mounted image-sensing head multi-microphone system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1023504B1 (en) * | 2015-09-02 | 2017-04-10 | Big Boy Systems | PORTABLE AUDIO-VIDEO RECORDING DEVICE |
| CN206365527U (en) * | 2016-12-09 | 2017-08-01 | 点子建有限公司 | A kind of integrated intelligent headset equipment |
-
2019
- 2019-07-05 CN CN201910529365.6A patent/CN110139016B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102871263A (en) * | 2012-10-11 | 2013-01-16 | 中国人民解放军总后勤部军需装备研究所 | Embedded digital on-duty recording device for military large-brimmed hat |
| CN103960815A (en) * | 2013-01-31 | 2014-08-06 | 上海晨兴希姆通电子科技有限公司 | Safety helmet |
| JP2016139881A (en) * | 2015-01-27 | 2016-08-04 | 国立大学法人 名古屋工業大学 | Head mount display |
| CN107209375A (en) * | 2015-10-23 | 2017-09-26 | 深圳市柔宇科技有限公司 | Head-mounted display apparatus, prompt message show system and method |
| CN205487330U (en) * | 2015-12-28 | 2016-08-17 | 天津天大天星智能物联技术有限公司 | Controller based on pronunciation array |
| WO2017156622A1 (en) * | 2016-03-13 | 2017-09-21 | Rising Sun Productions Limited | Head-mounted audiovisual capture device |
| CN206147395U (en) * | 2016-08-19 | 2017-05-03 | 微美光速资本投资管理（北京）有限公司 | Wear virtual reality device |
| CN207039845U (en) * | 2017-08-16 | 2018-02-23 | 深圳市华德安科技有限公司 | Wear-type video and audio harvester |
| CN209692900U (en) * | 2019-06-19 | 2019-11-26 | 昆山玖趣智能科技有限公司 | A kind of head mounted image-sensing head multi-microphone system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110139016A (en) | 2019-08-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9774945B1 (en) | Headset mount | |
| CN108736289B (en) | A kind of multi-functional construction site convenient for safeguarding electric power termination | |
| CN110139016B (en) | Multi-microphone system of head-mounted camera | |
| CN219912495U (en) | Quick installing support of outdoor surveillance camera head | |
| CN216086017U (en) | Electrical engineering cable protection device | |
| CN209692900U (en) | A kind of head mounted image-sensing head multi-microphone system | |
| CN216619256U (en) | Monitoring device of system integration equipment | |
| CN209675882U (en) | A kind of cable relief for communication equipment | |
| CN113727569B (en) | Rack chute and rack convenient to spacing pivoted of electric wire | |
| CN218214763U (en) | Reinforced overhead insulated cable | |
| CN212034303U (en) | Sound box with subwoofer | |
| CN208402126U (en) | A kind of ear muff inner ring supersonic thermal setting device | |
| CN203667733U (en) | Network data transmission cable winder | |
| CN217984432U (en) | Cable bracket arm combined system of fast-assembling installation | |
| CN214069486U (en) | Insulated bus frame convenient to adjust inside centre gripping bore | |
| CN211152045U (en) | Surveillance camera head that angle can change | |
| CN219203938U (en) | Clamping device for power cable installation | |
| CN220544327U (en) | Wiring protection device | |
| CN216447807U (en) | Camera device with insulating rod and multi-angle rotation function | |
| CN219918328U (en) | Wiring auxiliary device for intelligent electromechanical engineering | |
| CN219247397U (en) | Exposed wire protection device | |
| CN220912829U (en) | Steel ball positioning fixture | |
| CN215073499U (en) | Monitoring facilities is used to network information safety | |
| CN217036219U (en) | Computer network tapping device | |
| CN213547958U (en) | Safety protection device for electric power device in tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |