CN113471767A - Power grid big data transmission method - Google Patents

Power grid big data transmission method Download PDF

Info

Publication number
CN113471767A
CN113471767A CN202110726496.0A CN202110726496A CN113471767A CN 113471767 A CN113471767 A CN 113471767A CN 202110726496 A CN202110726496 A CN 202110726496A CN 113471767 A CN113471767 A CN 113471767A
Authority
CN
China
Prior art keywords
big data
power grid
spout
grid big
transmission method
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.)
Pending
Application number
CN202110726496.0A
Other languages
Chinese (zh)
Inventor
时洪飞
袁航
胡方
刘阳
史晨昱
任振峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Big Data Center
State Grid Henan Electric Power Co Zhengzhou Power Supply Co
Zhengzhou Power Supply Co of Henan Electric Power Co
Zhoukou Power Supply Co of State Grid Henan Electric Power Co Ltd
Original Assignee
Henan Big Data Center
State Grid Henan Electric Power Co Zhengzhou Power Supply Co
Zhoukou Power Supply Co of State Grid Henan Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Henan Big Data Center, State Grid Henan Electric Power Co Zhengzhou Power Supply Co, Zhoukou Power Supply Co of State Grid Henan Electric Power Co Ltd filed Critical Henan Big Data Center
Priority to CN202110726496.0A priority Critical patent/CN113471767A/en
Publication of CN113471767A publication Critical patent/CN113471767A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/18Packaging or power distribution
    • G06F1/181Enclosures
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60Protecting data
    • G06F21/602Providing cryptographic facilities or services
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/52Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5219Sealing means between coupling parts, e.g. interfacial seal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/04Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks

Abstract

The invention discloses a power grid big data transmission method, which comprises the steps of obtaining power grid big data through a terminal server, transmitting the obtained power grid big data to a safety server by the terminal server, encrypting the received power grid big data by the safety server, transmitting the power grid big data encrypted by the safety server to a client through a data encryption channel, wherein one side of the safety server is provided with a plurality of first sliding grooves, and inserting plates into the first sliding grooves Impurities such as moisture enter the interior of the first sliding groove, and the influence on the device is avoided.

Description

Power grid big data transmission method
Technical Field
The invention relates to the technical field of power grid big data, in particular to a power grid big data transmission method.
Background
The power grid mainly comprises three units of power transformation, power transmission and power distribution, wherein power transmission is an important component link of the overall function of the power system, statistics of power consumption of different power consumption client groups such as families, units and factories needs to be monitored all the time in the power transmission process, and in order to enable electric energy to be accurately transmitted to required clients, an encryption channel is arranged between a power transmission terminal server and the clients, so that data between each client and the terminal server are ensured to be relatively independent, accurate and free from interference.
However, when the existing encryption channel is connected with a client and a security server, the plug tightness of the connection part is poor, and the plug is easy to separate when pulled by a tensile force, so that the data is disordered and lost.
Disclosure of Invention
The invention aims to provide a power grid big data transmission method, which aims to solve the problems that the plug tightness of the connection part of an encryption channel, a client and a safety server is poor, and the plug is easy to separate when being pulled by tension, so that the data is disordered and lost.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a big data transmission method of electric wire netting, acquires electric wire netting big data through terminal server, and terminal server transmits the electric wire netting big data who acquires for safety server, and safety server encrypts the electric wire netting big data that receive, and the electric wire netting big data after safety server encryption passes through the data encryption passageway and transmits the customer end, a plurality of first spouts have been seted up to one side of safety server, the inside of first spout is inserted and is equipped with the picture peg, the one end of picture peg is connected with the input of customer end, the second notch has all been seted up to the inner wall of first spout both sides, the both sides of picture peg all are provided with fixed establishment.
As a preferable technical scheme of the invention, the fixing mechanism comprises two fixing plates and two fixing plates
The one end that the fixed plate kept away from each other all is linked together with the inside that corresponds the second notch.
As a preferable technical scheme of the invention, one sides of the fixing plates, which are close to each other, are fixedly connected with connecting plates, and both sides of the inserting plate are provided with third sliding chutes for the fixing plates to slide.
As a preferable technical scheme of the present invention, a third notch for the connecting plate to slide is formed on each side of the third sliding groove close to each other, and a plurality of second springs are fixedly connected between the third notch and the connecting plate.
According to a preferable technical scheme of the invention, the two sides of the inserting plate are respectively provided with a fourth sliding chute, a pressing plate is connected inside the fourth sliding chutes in a sliding manner, and one side, close to each other, of the pressing plate is fixed with one side of the connecting plate.
According to a preferable technical scheme of the invention, the inner walls of the upper side and the lower side of the first sliding groove are respectively provided with a second sliding groove, the inner part of each second sliding groove is connected with a moving plate in a sliding manner, the upper side and the lower side of the inserting plate are respectively provided with a first notch, and one end of each moving plate, which is close to each other, is communicated with the inner part of the corresponding first notch.
As a preferred technical solution of the present invention, a first spring is disposed inside the second sliding chute, one end of the first spring is fixed to an inner wall of the second sliding chute, and the other end of the first spring is fixedly connected to one side of the moving plate.
As a preferred technical solution of the present invention, a plurality of output contacts are disposed inside the first sliding groove, an inner cavity is disposed at one side of the board, and a plurality of input contacts communicated with the output contacts are disposed inside the inner cavity.
Compared with the prior art, the invention has the beneficial effects that:
1. the fixed plate, the second notch and the pressing plate are arranged, when the output contact and the input contact are communicated, the pressing plate is pressed down to enable the pressing plate to move in the fourth sliding groove, the connecting plate is driven to move in the third notch by the movement of the pressing plate, so that the fixed plate is driven to move in the third sliding groove, then the inserting plate is embedded in the first sliding groove, after the output contact is inserted in the input contact, the pressing plate is released, the two connecting plates move to the sides far away from each other under the action of the resilience force of the second spring, the fixed plate is driven to move towards the inside of the second notch when the connecting plate moves, so that the fixed plate is embedded in the second notch, namely the inserting plate and the safety server are fixed, the fixing mode is compact, the phenomenon that the inserting plate falls off when the inserting plate is pulled by external force is avoided, and the reliability of the device is improved.
2. The safety server is provided with the movable plates, the first springs and the first notches, when the first springs are in an initial state, the two movable plates are in a fit state, the two movable plates are mutually fit to enable the interior of the first sliding groove to be in a sealed state, and after the inserting plate is inserted into the interior of the first sliding groove, one side of the movable plate is located in the corresponding first notch, so that when the inserting plate and the safety server are fixed, the connection between the inserting plate and the movable plates enables the interior of the first sliding groove to be in a sealed state, and because the interior of the first sliding groove is always in a sealed state, impurities such as dust, moisture and the like in the air are prevented from entering the interior of the first sliding groove, and the device is prevented from being influenced.
Drawings
FIG. 1 is a schematic view of the flow structure of the present invention;
FIG. 2 is a schematic diagram of a connection structure between a security server and a plug-in board according to the present invention;
FIG. 3 is a schematic view of the structure of FIG. 2 at A in accordance with the present invention;
FIG. 4 is a side view partially in section of the security server of the present invention;
fig. 5 is a schematic top view of a partial cross-sectional structure of a security server according to the present invention.
In the figure: 1. a terminal server; 2. a security server; 3. a data encryption channel; 4. a client; 5. a first chute; 7. inserting plates; 8. a second chute; 9. moving the plate; 10. a first spring; 11. a first notch; 12. an inner cavity; 13. an output contact; 14. an input contact; 15. a second notch; 16. a fixing plate; 17. a connecting plate; 18. a third notch; 19. a second spring; 20. a pressing plate; 21. a third chute; 22. and a fourth chute.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme of a power grid big data transmission method, which comprises the following steps:
as shown in fig. 1, 2 and 3, the power grid big data transmission method in this embodiment includes the terminal server 1, the output end of the terminal server 1 is provided with the security server 2, the output end of the security server 2 is provided with the client 4, a data encryption channel 3 is arranged between the security server 2 and the client 4, the terminal server obtains the power grid big data, the terminal server transmits the obtained power grid big data to the security server, the security server encrypts the received power grid big data, the power grid big data encrypted by the security server is transmitted to the client through the data encryption channel, one side of the security server 2 is provided with a plurality of first chutes 5, the first chutes 5 are inserted with the insertion plates 7, both sides of the first chutes 5 are provided with the second notches 15, both sides of the insertion plates 7 are slidably connected with the fixing plates 16, when the fixing plate 16 is inserted into the corresponding second notch 15, the secure server 2 and the card 7 are fixed to each other in a stable manner.
According to fig. 3 and 5, in this embodiment, a connecting plate 17 is fixedly connected to each side of the fixing plate 16 close to each other, third sliding grooves 21 for the fixing plate 16 to slide are respectively formed on both sides of the insertion plate 7, third notches 18 for the connecting plate 17 to slide are respectively formed on each side of the third sliding grooves 21 close to each other, a plurality of second springs 19 are fixedly connected between the third notches 18 and the connecting plate 17, fourth sliding grooves 22 are respectively formed on both sides of the insertion plate 7, a pressing plate 20 is slidably connected to the inside of the fourth sliding grooves 22, the side of the pressing plate 20 close to each other is fixed to the side of the connecting plate 17, a plurality of output contacts 13 are arranged inside the first sliding groove 5, an inner cavity 12 is formed on one side of the insertion plate 7, a plurality of input contacts 14 communicated with the output contacts 13 are arranged inside the inner cavity 12, when the output contacts 13 and the input contacts 14 need to be communicated, press down the pressing plate 20, make the inside removal at fourth spout 22 of pressing plate 20, the removal of pressing plate 20 drives connecting plate 17 and removes in the inside of third notch 18, thereby drive fixed plate 16 and remove in the inside of third spout 21, then inlay the inside of establishing first spout 5 with picture peg 7, make output contact 13 insert establish the inside back of input contact 14, loosen pressing plate 20, under the effect of second spring 19 resilience force, two connecting plates 17 remove to the one side of keeping away from each other, drive fixed plate 16 and remove to the inside of second notch 15 when connecting plate 17 removes, make fixed plate 16 inlay the inside of establishing second notch 15, plug board 7 and security server 2 are fixed mutually.
According to fig. 3 and 4, in this embodiment, the inner walls of the upper and lower sides of the first sliding groove 5 are both provided with a second sliding groove 8, the interior of the second sliding groove 8 is slidably connected with a moving plate 9, the interior of the second sliding groove 8 is provided with a first spring 10, one end of the first spring 10 is fixed to the inner wall of the second sliding groove 8, the other end of the first spring 10 is fixedly connected to one side of the moving plate 9, both sides of the moving plate 9 are both arc-shaped, one end of the inserting plate 7 located inside the first sliding groove 5 is arc-shaped, when the arc-shaped surface of the inserting plate 7 extrudes the arc-shaped surface of the moving plate 9, the moving plate 9 is extruded to move towards the interior of the second sliding groove 8, so as to extrude the first spring 10, the upper and lower sides of the inserting plate 7 are both provided with first notches 11, one ends of the two moving plates 9 close to each other are both communicated with the interiors of the corresponding first notches 11, when the inserting plate 7 moves into the first sliding groove 5, the inserting plate 7 continues to move until the first notch 11 on the inserting plate 7 moves to the moving plate 9, the moving plate 9 is embedded into the first notch 11 under the action of the resilience force of the first spring 10, and at this time, the connection between the inserting plate 7 and the moving plate 9 enables the inside of the first sliding groove 5 to be in a sealed state, it should be noted that, when the first spring 10 is in an initial state, the two moving plates 9 are in a bonded state, and the two moving plates 9 are bonded with each other, so that the inside of the first sliding groove 5 is in a sealed state.
When the output contact 13 and the input contact 14 are communicated, the pressing plate 20 is pressed down, so that the pressing plate 20 moves in the fourth sliding groove 22, the movement of the pressing plate 20 drives the connecting plate 17 to move in the third notch 18, so as to drive the fixing plate 16 to move in the third sliding groove 21, then the inserting plate 7 is embedded in the first sliding groove 5, so that the output contact 13 is inserted in the input contact 14, the pressing plate 20 is released, under the action of the resilience force of the second spring 19, the two connecting plates 17 move towards the sides far away from each other, the connecting plate 17 drives the fixing plate 16 to move towards the inside of the second notch 15 when moving, so that the fixing plate 16 is embedded in the second notch 15, namely, the inserting plate 7 and the security server 2 are fixed, the fixing mode is compact, and the inserting plate 7 is prevented from falling off when being pulled by external force, the reliability of the device is improved, first spring 10 is when initial state, two movable plates 9 are in the laminating state, the laminating each other of two movable plates 9 makes the inside of first spout 5 be in encapsulated situation, insert the inside back of establishing first spout 5 when picture peg 7, one side of movable plate 9 all is located the inside that corresponds first notch 11, make when picture peg 7 and safety server 2 are fixed mutually, the inside of first spout 5 is in encapsulated situation also to be made in the connection between picture peg 7 and the movable plate 9, because the inside of first spout 5 is in encapsulated situation all the time, dust in the air has been avoided, impurity such as moisture gets into the inside of first spout 5, the device has been avoided receiving the influence.
In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A power grid big data transmission method is characterized in that:
the method comprises the steps that power grid big data are obtained through a terminal server (1), the terminal server (1) transmits the obtained power grid big data to a security server (2), the security server (2) encrypts the received power grid big data, and the power grid big data encrypted by the security server (2) are transmitted to a client (4) through a data encryption channel (3);
a plurality of first spouts (5) have been seted up to one side of safety server (2), the inside of first spout (5) is inserted and is equipped with picture peg (7), the one end of picture peg (7) is connected with the input of customer end (4), second notch (15) have all been seted up to the inner wall of first spout (5) both sides, the both sides of picture peg (7) all are provided with fixed establishment.
2. The power grid big data transmission method according to claim 1, wherein: the fixing mechanism comprises two fixing plates (16), and one ends, far away from each other, of the two fixing plates (16) are communicated with the inside of the corresponding second notch (15).
3. The power grid big data transmission method according to claim 2, wherein: the equal fixedly connected with connecting plate (17) in one side that fixed plate (16) are close to each other, confession fixed plate (16) gliding third spout (21) have all been seted up to the both sides of picture peg (7).
4. The power grid big data transmission method according to claim 3, wherein: one side that third spout (21) are close to each other all sets up and supplies gliding third notch (18) of connecting plate (17), a plurality of second springs (19) of fixedly connected with between third notch (18) and connecting plate (17).
5. The power grid big data transmission method according to claim 1, wherein: fourth spout (22) have all been seted up to the both sides of picture peg (7), the inside sliding connection of fourth spout (22) has press board (20), one side that press board (20) are close to each other is fixed mutually with one side of connecting plate (17).
6. The power grid big data transmission method according to claim 1, wherein: second spout (8) have all been seted up to the inner wall of both sides about first spout (5), the inside sliding connection of second spout (8) has movable plate (9), first notch (11), two have all been seted up to the upper and lower both sides of picture peg (7) the one end that movable plate (9) are close to each other all is linked together with the inside that corresponds first notch (11).
7. The power grid big data transmission method according to claim 6, wherein: the inside of second spout (8) is provided with first spring (10), and the inner wall of the one end of first spring (10) and second spout (8) is fixed mutually, the other end of first spring (10) and one side fixed connection of movable plate (9).
8. The power grid big data transmission method according to claim 1, wherein: a plurality of output contacts (13) are arranged in the first sliding groove (5), an inner cavity (12) is formed in one side of the inserting plate (7), and a plurality of input contacts (14) communicated with the output contacts (13) are arranged in the inner cavity (12).
CN202110726496.0A 2021-06-29 2021-06-29 Power grid big data transmission method Pending CN113471767A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110726496.0A CN113471767A (en) 2021-06-29 2021-06-29 Power grid big data transmission method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110726496.0A CN113471767A (en) 2021-06-29 2021-06-29 Power grid big data transmission method

Publications (1)

Publication Number Publication Date
CN113471767A true CN113471767A (en) 2021-10-01

Family

ID=77873690

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110726496.0A Pending CN113471767A (en) 2021-06-29 2021-06-29 Power grid big data transmission method

Country Status (1)

Country Link
CN (1) CN113471767A (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104079578A (en) * 2014-07-08 2014-10-01 北京锐安科技有限公司 Evidence-taking data hidden transmission method and system
CN104851206A (en) * 2015-05-25 2015-08-19 华北电力大学 USBKEY (universal serial bus key)-based online electric charge payment system
US9722346B1 (en) * 2016-03-23 2017-08-01 Bby Solutions, Inc. USB-A slide port
CN206789824U (en) * 2017-02-24 2017-12-22 常州信息职业技术学院 A kind of network cable socket plate
CN111834802A (en) * 2020-07-27 2020-10-27 顾龙 New forms of energy power connecting device
CN211831449U (en) * 2020-03-27 2020-10-30 西安明景安防设备有限公司 Data acquisition case
CN111915114A (en) * 2019-05-10 2020-11-10 国家电网有限公司 Data processing method, data processing terminal, photovoltaic cloud server and system
CN212542822U (en) * 2020-06-12 2021-02-12 广州诺星智能科技有限公司 USB data connecting device
CN112468445A (en) * 2020-10-29 2021-03-09 广西电网有限责任公司 AMI lightweight data privacy protection method for power Internet of things
CN112700078A (en) * 2020-08-20 2021-04-23 国家电网公司西北分部 Electric power auxiliary service market technical support system with automatic feedback function

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104079578A (en) * 2014-07-08 2014-10-01 北京锐安科技有限公司 Evidence-taking data hidden transmission method and system
CN104851206A (en) * 2015-05-25 2015-08-19 华北电力大学 USBKEY (universal serial bus key)-based online electric charge payment system
US9722346B1 (en) * 2016-03-23 2017-08-01 Bby Solutions, Inc. USB-A slide port
CN206789824U (en) * 2017-02-24 2017-12-22 常州信息职业技术学院 A kind of network cable socket plate
CN111915114A (en) * 2019-05-10 2020-11-10 国家电网有限公司 Data processing method, data processing terminal, photovoltaic cloud server and system
CN211831449U (en) * 2020-03-27 2020-10-30 西安明景安防设备有限公司 Data acquisition case
CN212542822U (en) * 2020-06-12 2021-02-12 广州诺星智能科技有限公司 USB data connecting device
CN111834802A (en) * 2020-07-27 2020-10-27 顾龙 New forms of energy power connecting device
CN112700078A (en) * 2020-08-20 2021-04-23 国家电网公司西北分部 Electric power auxiliary service market technical support system with automatic feedback function
CN112468445A (en) * 2020-10-29 2021-03-09 广西电网有限责任公司 AMI lightweight data privacy protection method for power Internet of things

Similar Documents

Publication Publication Date Title
KR101119713B1 (en) System plug connector having an adapter module
CN107453173A (en) Heat transfer component and the electric connector with the heat transfer component
GB2448937B (en) Improvements in and relating to electrical connectors
US20150093925A1 (en) Adapter For Contacting Bus Bars
CN113471767A (en) Power grid big data transmission method
US11086081B2 (en) Conductive cooling for small form-factor pluggable (SFP) fiber optic transceivers
CN113783038B (en) Electric energy meter interface clamping device
CN101350462B (en) Structure for electric connector
CN209994505U (en) Network integrated wiring interface support
CN216214568U (en) Wiring structure and electrical box
CN104993318A (en) Intelligent socket and intelligent socket control system
CN104902157B (en) Law-enforcing recorder
CN215452947U (en) Optical transmission equipment
CN107204536B (en) Connector and crystal head female seat
CN214124226U (en) Plug and socket assembly
CN117559161B (en) Quick assembly and disassembly electric connector
CN218997836U (en) Outlet box of stepping motor and stepping motor
CN1983719A (en) HDMI welded-wire connector
CN112421300B (en) Safety interface for electronic equipment
CN211123839U (en) Built-in computer display interface end
CN220692497U (en) Riveting device for terminal complete crimping
CN219981308U (en) Line ball knot convenient to dismantle
CN212010867U (en) Line pressing terminal in circuit protection equipment
CN218586400U (en) Cold pressing wiring terminal convenient to compress tightly
CN218034618U (en) Conduction band for heat conduction

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
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20211001