CN107172238B - Elevator telephone - Google Patents
Elevator telephone Download PDFInfo
- Publication number
- CN107172238B CN107172238B CN201710414502.2A CN201710414502A CN107172238B CN 107172238 B CN107172238 B CN 107172238B CN 201710414502 A CN201710414502 A CN 201710414502A CN 107172238 B CN107172238 B CN 107172238B
- Authority
- CN
- China
- Prior art keywords
- communication module
- clamping groove
- lever
- box body
- elevator
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0297—Telephone sets adapted to be mounted on a desk or on a wall
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3816—Mechanical arrangements for accommodating identification devices, e.g. cards or chips; with connectors for programming identification devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3816—Mechanical arrangements for accommodating identification devices, e.g. cards or chips; with connectors for programming identification devices
- H04B1/3818—Arrangements for facilitating insertion or removal of identification devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/3888—Arrangements for carrying or protecting transceivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/60—Systems for communication between relatively movable stations, e.g. for communication with lift
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The invention discloses an elevator telephone, which comprises a box body, a box cover and a control main board arranged in the box body, wherein the box cover is buckled on the box body, a GSM communication module is arranged on the control main board, the GSM communication module is arranged on one side of the inner wall of the box body, a clamping groove for inserting a GSM card is arranged on the GSM communication module in a telescopic manner, an opening of the clamping groove can extend out of the box body, and a detachable clamping sleeve is arranged at the position of the box body, which is positioned in the clamping groove. The elevator telephone has simple structure, adopts a hidden embedded structure for the GSM communication module and adopts a telescopic clamping groove, and can place a GSM card only by extracting the GSM communication module; the card sleeve is further arranged at the extending end of the card slot, so that the protection capability of the GSM communication module is further improved, and the GSM communication module is prevented from being damaged in the using process of the telephone.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a telephone.
Background
The appearance of elevators brings great convenience to people, and the safety and stability consciousness of elevators is always improved. However, the elevator is inevitably problematic as a tool. Therefore, the elevator telephone set has been developed. Elevator phones are generally used as emergency help communication tools when an elevator fails. Although many elevators have emergency help systems, the general transmission distance is not too long, and the communication quality of the general emergency help systems is not good because of great interference in the elevators, most elevators need to be wired, people need to be on duty, and help can be sought after leaving the duty without doors. Therefore, wireless communication is a new direction of elevator emergency communication at present, but is also limited by the reason of the telephone structure, and the communication module is easy to damage, so that communication failure is caused. Therefore, the elevator telephone with high telephone quality and the communication module not easy to damage is sought, and the elevator telephone is an innovative way of elevator communication at present.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the elevator telephone with simple structure, good protection performance and ingenious GSM communication module structure.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides an elevator telephone, includes box, case lid and installs the control mainboard in the box, the case lid cartridge is on the box, be equipped with GSM communication module on the control mainboard, GSM communication module installs in one side of box inner wall, the scalable draw-in groove that is used for the cartridge GSM card that is equipped with on the GSM communication module, and the opening of draw-in groove can stretch out the box, the box is located the position of draw-in groove and is equipped with dismantled and assembled cutting ferrule.
As the improvement of the technical scheme, the GSM communication module further comprises an interlocking component capable of buckling the clamping groove, the interlocking component can lock the clamping head at the lower end of the clamping groove, and a first reset spring for ejecting the clamping groove is further arranged at the bottom of the clamping groove.
As an improvement of the technical scheme, the GSM communication module is further provided with a shell, a guide post capable of movably penetrating through the shell is arranged on the inner side of the clamping groove, and the first reset spring is sleeved on the guide post and is positioned between the bottom of the clamping groove and the shell.
As the improvement of above-mentioned technical scheme, the interlocking subassembly includes first lever, can swing second lever and the T shape pressure head of installing in the casing, but first lever movable mounting is in the casing, the one end of first lever is equipped with one and can contacts with the L shape portion of guide pillar, and the other end passes the baffle and can contact with second lever one end, the long waist hole at second lever other end activity hinge T shape pressure head middle part is last, the one end activity of T shape pressure head passes the casing lateral wall, and the dop of draw-in groove bottom can be withheld to the other end, and when the draw-in groove pressurized moves towards the casing inboard, the guide pillar moves and drives T shape pressure head through first lever and second lever and unclamp the draw-in groove, and the draw-in groove is popped up under first reset spring's effect.
As an improvement of the technical scheme, one end of the T-shaped pressure head, which is close to the side wall of the mounting cavity, is provided with a second reset spring.
As the improvement of the technical scheme, a wiring port convenient for controlling the wiring of the main board is arranged on one side of the box body, an adjustable wiring terminal is arranged on the inner side of the wiring port of the box body, and the wiring terminal is electrically connected with an elevator emergency power supply.
As an improvement of the technical scheme, the control main board is also provided with a voice communication module and an alarm assembly, the output end of the voice communication module is electrically connected with the alarm assembly, and the input end of the voice communication module is connected with the GSM communication module.
As an improvement of the technical scheme, the voice communication module adopts a China high-definition voice communication module and adopts an all-digital communication mode.
As an improvement of the technical scheme, the alarm assembly comprises a buzzer and a loudspeaker, and the buzzer and the loudspeaker are electrically connected with the voice communication module.
As an improvement of the technical scheme, the security call button is arranged on the box cover and is electrically connected with the voice communication module.
The invention has the beneficial effects that:
the elevator telephone has simple structure, adopts a hidden embedded structure for the GSM communication module and adopts a telescopic clamping groove, and can place a GSM card only by extracting the GSM communication module; the card sleeve is further arranged at the extending end of the card slot, so that the protection capability of the GSM communication module is further improved, and the GSM communication module is prevented from being damaged in the using process of the telephone.
Drawings
The invention will be further described with reference to the accompanying drawings and specific examples, in which:
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a block diagram of a case according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a GSM communication module according to an embodiment of the present invention.
Detailed Description
Referring to fig. 1 and 2, an elevator telephone comprises a box 1, a box cover 2 and a control main board 3 arranged in the box 1, wherein the box cover 2 is buckled on the box 1, and a security call button is arranged on the box cover 2 and is electrically connected with a voice communication module 32. The control main board 3 is provided with a GSM communication module 31, a voice communication module 32 and an alarm assembly 33, the output end of the voice communication module 32 is electrically connected with the alarm assembly 33, and the input end of the voice communication module 32 is connected with the GSM communication module 31. The voice communication module 32 is a high-definition voice communication module and adopts an all-digital communication mode. The voice communication module 32 has a signal processing function similar to a microprocessor, and the alarm assembly 33 includes a buzzer 331 and a speaker, where the buzzer 331 and the speaker are electrically connected with the voice communication module 32. The alarm assembly 33 further comprises a sensor probe and a signal receiving module which are sequentially connected, the output end of the signal receiving module is connected with the voice communication module 32, the alarm output circuit is sequentially connected with the buzzer 331, the loudspeaker and the power amplifier, and the input end of the alarm whistle alarm module is connected with the voice communication module 32.
The utility model discloses a lift emergency power supply, including box 1, terminal 12, elevator emergency power supply, the box 1 is equipped with the wiring mouth 11 that makes things convenient for control mainboard 3 wiring one side, the inboard that box 1 is located wiring mouth 11 is equipped with adjustable terminal 12, terminal 12 and elevator emergency power supply electric connection. Wiring is carried out by adopting a built-in binding post 12, and a power line is not required to be installed by opening the box cover 2 when the elevator telephone is installed; in addition, the binding post 12 is electrically connected with an elevator emergency power supply, so that the situation that the elevator encounters an emergency can be guaranteed to the greatest extent, the outside is powered off, the elevator telephone can be used continuously, and the reliability of emergency communication of the elevator telephone is guaranteed.
Referring to fig. 1 and 3, the GSM communication module 31 is mounted on one side of the inner wall of the case 1, a clamping groove 311 for inserting a GSM card is telescopically provided on the GSM communication module 31, an opening of the clamping groove 311 can extend out of the case 1, a detachable clamping sleeve 312 is provided at a position of the case 1 located at the clamping groove 311, and the clamping sleeve 312 can protect the clamping groove 311 from being damaged. The casing 315 is located the bottom of installing the chamber 313 and is equipped with movable chamber 316, be equipped with the baffle between movable chamber 316 and the installing the chamber 313, draw-in groove 311 bottom is equipped with the guide pillar that can move through the baffle, first reset spring suit is on the guide pillar, and is located draw-in groove 311 bottom and baffle between for draw-in groove 311 can be popped out the position when moving, guarantees not blocked.
The GSM communication module 31 is further provided with a housing 315, a mounting cavity 313 disposed in the housing and used for accommodating the card slot 311, and an interlocking component 314 capable of fastening the card slot 311, and a return spring for ejecting the card slot 311 is further disposed between the bottom of the mounting cavity 313 and the bottom of the card slot 311.
The interlocking assembly 314 comprises a first lever 317, a second lever 318 arranged in the mounting cavity 313 in a swinging manner, and a T-shaped pressing head 319, wherein the first lever 317 is movably arranged in the movable cavity 316, one end of the first lever 317 is provided with an L-shaped part which can be contacted with a guide pillar, the other end of the first lever passes through a partition plate and can be contacted with one end of the second lever 318, the other end of the second lever 318 is movably hinged on a long waist hole in the middle of the T-shaped pressing head 319, one end of the T-shaped pressing head 319 movably passes through the side wall of the mounting cavity 313, the other end of the T-shaped pressing head can buckle a clamping head at the bottom of the clamping groove 311, and one end of the T-shaped pressing head, which is close to the side wall of the mounting cavity 313, is provided with a second reset spring. When the clamping groove 311 is pressed to move towards the bottom of the mounting cavity 313, the guide post moves and drives the T-shaped pressing head 319 to release the clamping groove 311 through the first lever 317 and the second lever 318, and the clamping groove 311 is ejected under the action of the first reset spring. When the GSM card is required to be installed, an operator can easily install the GSM card by opening the clamping sleeve 312 and pressing the clamping groove 311, and the clamping groove 311 clamped by the clamping block 314 can be ejected out of the box body 1; compared with the traditional external GSM communication module 31, the design structure can protect the safety of the GSM communication module 31 to the greatest extent in public environment, thereby ensuring that the elevator telephone can be normally used in emergency.
The elevator telephone can also be set into manual answering or automatic answering through a preset dial switch in advance, tens of groups of numbers are stored, and the elevator telephone is circularly dialed one by one until being dialed through (mainly applied to various emergency help systems such as elevator bridge boxes, stations, scenic spots and the like). The example is that 3 groups of numbers are stored as 1. The security room telephone; 2. elevator maintenance responsible telephone numbers; the fire alarm telephone 119 is used for automatically dialing the security room after the dialing key is pressed, and automatically dialing the maintenance responsible person under the condition that no person receives the call after ringing, and automatically dialing 119 the alarm telephone if no person receives or fails to make the call, so that a telephone manager can automatically dial any unit or personal telephone when the telephone manager is not beside the telephone, and related personnel or departments can take corresponding measures. In addition, the GSM communication module 31 is also provided with a GSM antenna, which enhances the signal receiving capability and improves the communication quality.
The present invention is not limited to the above embodiments, but is intended to be within the scope of the present invention as long as the technical effects of the present invention can be achieved by any same or similar means.
Claims (6)
1. An elevator telephone set, comprising:
the intelligent control box comprises a box body (1), a box cover (2) and a control main board (3) arranged in the box body (1), wherein the box cover (2) is buckled on the box body (1), a GSM communication module (31) is arranged on the control main board (3), the GSM communication module (31) is arranged on one side of the inner wall of the box body (1), a clamping groove (311) for inserting a GSM card is telescopically arranged on the GSM communication module (31), an opening of the clamping groove (311) can extend out of the box body (1), and a detachable clamping sleeve (312) is arranged at the position of the box body (1) located in the clamping groove (311);
the GSM communication module (31) further comprises an interlocking component (314) capable of buckling the clamping groove (311), the interlocking component (314) can lock a clamping head (320) at the lower end of the clamping groove (311), and a first reset spring for ejecting the clamping groove (311) is further arranged at the bottom of the clamping groove (311);
the GSM communication module (31) is also provided with a shell (315), the inner side of the clamping groove (311) is provided with a guide post which can movably penetrate through the shell (315), and the first reset spring is sleeved on the guide post and is positioned between the bottom of the clamping groove (311) and the shell (315);
the interlocking assembly (314) comprises a first lever (317), a second lever (318) and a T-shaped pressing head (319), wherein the second lever (318) is arranged in the shell (315) in a swinging way, the first lever (317) can be movably arranged in the shell (315), one end of the first lever (317) is provided with an L-shaped part which can be contacted with a guide pillar, the other end of the first lever (317) passes through a baffle plate and can be contacted with one end of the second lever (318), the other end of the second lever (318) is movably hinged to a long waist hole in the middle of the T-shaped pressing head (319), one end of the T-shaped pressing head (319) movably passes through the side wall of the shell (315), the other end of the T-shaped pressing head can be buckled with a clamping head (320) at the bottom of the clamping groove (311), when the clamping groove (311) is pressed towards the inner side of the shell (315), the guide pillar moves and drives the T-shaped pressing head (319) to loosen the clamping groove (311) through the first lever (317) and the second lever (318), and the clamping groove (311) is ejected under the action of a first reset spring;
the elevator control box is characterized in that a wiring port (11) convenient for wiring of the control main board (3) is formed in one side of the box body (1), an adjustable wiring terminal (12) is arranged on the inner side of the wiring port (11) of the box body (1), and the wiring terminal (12) is electrically connected with an elevator emergency power supply.
2. An elevator telephone according to claim 1, characterized in that the end of the T-shaped ram adjacent to the side wall of the mounting cavity (313) is provided with a second return spring.
3. An elevator telephone according to claim 1, characterized in that the control main board (3) is further provided with a voice communication module (32) and an alarm assembly (33), the output end of the voice communication module (32) is electrically connected with the alarm assembly (33), and the input end of the voice communication module (32) is connected with the GSM communication module (31).
4. An elevator telephone according to claim 3, characterized in that the voice communication module (32) is a high-definition voice communication module and is an all-digital communication.
5. An elevator telephone according to claim 3, characterized in that the alarm assembly (33) comprises a buzzer (331) and a horn, both the buzzer (331) and the horn being electrically connected to the voice communication module (32).
6. An elevator telephone according to claim 3, characterized in that the cover (2) is provided with a security call button, which is electrically connected to the voice communication module (32).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710414502.2A CN107172238B (en) | 2017-06-05 | 2017-06-05 | Elevator telephone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710414502.2A CN107172238B (en) | 2017-06-05 | 2017-06-05 | Elevator telephone |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107172238A CN107172238A (en) | 2017-09-15 |
CN107172238B true CN107172238B (en) | 2023-08-01 |
Family
ID=59824595
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710414502.2A Active CN107172238B (en) | 2017-06-05 | 2017-06-05 | Elevator telephone |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107172238B (en) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11136402A (en) * | 1997-10-27 | 1999-05-21 | Nippon Telegr & Teleph Corp <Ntt> | Public telephone set |
KR20010027187A (en) * | 1999-09-10 | 2001-04-06 | 서평원 | Elevator Communication System and Control Method thereof |
JP2010124306A (en) * | 2008-11-20 | 2010-06-03 | Nec Corp | Mobile communication terminal |
CN102201326A (en) * | 2011-03-10 | 2011-09-28 | 上海连正元机电科技有限公司 | Wireless communication small card embedding device and manufacturing method thereof |
WO2013160844A1 (en) * | 2012-04-25 | 2013-10-31 | Turkcell Teknoloji Arastirma Ve Gelistirme Anonim Sirketi | Mobile device using near field communication |
CN203529642U (en) * | 2013-10-21 | 2014-04-09 | 温州永大电梯有限公司 | Special telephone for elevator |
CN205652941U (en) * | 2016-05-12 | 2016-10-19 | 北京同辉无限科技有限责任公司 | Elevator thing networking intelligent acquisition terminal |
CN106209137A (en) * | 2016-06-30 | 2016-12-07 | 努比亚技术有限公司 | A kind of SIM safe mobile phone and control method thereof and control system |
CN206042133U (en) * | 2016-07-08 | 2017-03-22 | 珠海市希梦电子科技有限公司 | Key face can number of depositing command telephone |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203574181U (en) * | 2013-10-16 | 2014-04-30 | 深圳市欧珀通信软件有限公司 | SIM card tray automatic ejection device and electronic device thereof |
CN105430120A (en) * | 2014-09-16 | 2016-03-23 | 中兴通讯股份有限公司 | Mobile phone plug pop-out system, mobile phone and mobile phone plug pop-out method |
CN105635351B (en) * | 2014-10-31 | 2019-02-12 | 小米科技有限责任公司 | The fixed device of SIM card and mobile terminal |
US20170070002A1 (en) * | 2015-09-08 | 2017-03-09 | Apple Inc. | Sim card connector with integrated ejection mechanism |
CN105600639A (en) * | 2016-03-21 | 2016-05-25 | 南京市特种设备安全监督检验研究院 | Elevator emergency warning communication device |
-
2017
- 2017-06-05 CN CN201710414502.2A patent/CN107172238B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11136402A (en) * | 1997-10-27 | 1999-05-21 | Nippon Telegr & Teleph Corp <Ntt> | Public telephone set |
KR20010027187A (en) * | 1999-09-10 | 2001-04-06 | 서평원 | Elevator Communication System and Control Method thereof |
JP2010124306A (en) * | 2008-11-20 | 2010-06-03 | Nec Corp | Mobile communication terminal |
CN102201326A (en) * | 2011-03-10 | 2011-09-28 | 上海连正元机电科技有限公司 | Wireless communication small card embedding device and manufacturing method thereof |
WO2013160844A1 (en) * | 2012-04-25 | 2013-10-31 | Turkcell Teknoloji Arastirma Ve Gelistirme Anonim Sirketi | Mobile device using near field communication |
CN203529642U (en) * | 2013-10-21 | 2014-04-09 | 温州永大电梯有限公司 | Special telephone for elevator |
CN205652941U (en) * | 2016-05-12 | 2016-10-19 | 北京同辉无限科技有限责任公司 | Elevator thing networking intelligent acquisition terminal |
CN106209137A (en) * | 2016-06-30 | 2016-12-07 | 努比亚技术有限公司 | A kind of SIM safe mobile phone and control method thereof and control system |
CN206042133U (en) * | 2016-07-08 | 2017-03-22 | 珠海市希梦电子科技有限公司 | Key face can number of depositing command telephone |
Non-Patent Citations (1)
Title |
---|
嵌入式车载导航与防盗系统的设计与研究;刘晋;杨一晨;郭健;申皓;;微型机与应用(第24期);全文 * |
Also Published As
Publication number | Publication date |
---|---|
CN107172238A (en) | 2017-09-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6320504B2 (en) | Mobile security system and auto dialing unit used same | |
CN107172238B (en) | Elevator telephone | |
CN206599355U (en) | A kind of elevator malfunction calls for help rescue system | |
CN214376863U (en) | Call for help alarm system | |
CN207369078U (en) | A kind of elevator call machine | |
KR101444819B1 (en) | Water proof fire transmitter equipped with cover | |
CN208522744U (en) | A kind of dust protected intercom | |
CN210539756U (en) | Integrated control console | |
CN210003072U (en) | lock device for detecting switch state of by electromechanical and photoelectric combination | |
CN207670339U (en) | One key escape switch | |
JP2022010976A (en) | Disaster prevention monitoring panel | |
EP1241648A1 (en) | Mobile security system and auto-dialling unit using the same | |
CN210112065U (en) | Elevator dialing telephone with voice recognition function | |
JPH0745836Y2 (en) | Fire transmitter | |
CN220519856U (en) | Elevator call key with human body sensing detection and intercom functions | |
CN210575602U (en) | Protective housing for panel switch | |
CN217972111U (en) | Alarm and communication integrated elevator button | |
CN219835376U (en) | Electronic equipment storage cabinet | |
CN221380914U (en) | Wired intercom calling machine with state indication | |
CN213365709U (en) | Intelligent fireproof communication terminal equipment | |
CN221040926U (en) | Protective shell | |
CN218465255U (en) | Elevator emergency call device | |
CN220691515U (en) | Emergency stop button audible and visual prompter | |
CN216355339U (en) | Uninterrupted automatic distribution equipment | |
CN218825805U (en) | Electric power thing networking alarm |
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 | ||
GR01 | Patent grant |