CN105896526B - Method for security protection, device and the cable of cable - Google Patents
Method for security protection, device and the cable of cable Download PDFInfo
- Publication number
- CN105896526B CN105896526B CN201610223409.9A CN201610223409A CN105896526B CN 105896526 B CN105896526 B CN 105896526B CN 201610223409 A CN201610223409 A CN 201610223409A CN 105896526 B CN105896526 B CN 105896526B
- Authority
- CN
- China
- Prior art keywords
- cable
- voltage
- input voltage
- load
- input
- 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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/007—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources
- H02J3/0073—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources for providing alternative feeding paths between load and source when the main path fails, e.g. transformers, busbars
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The present invention discloses a kind of method for security protection of cable, comprising: the input voltage of detection cable；Cable connection is disconnected by passive load module when detecting the input voltage and non-standard input voltage and selects the cable connecting predeterminated voltage with load；Detect the input current of the cable；And the safe condition of the cable is analyzed according to the input current and the predeterminated voltage that detect.Correspondingly, invention additionally discloses a kind of safety guard of cable and cables.Technical solution disclosed by the invention improves the safety detection effect of cable, improves the security and reliability of cable, improves the user experience of cable safeguard protection.
Description
Technical field
The present invention relates to electrical equipment technical field more particularly to a kind of method for security protection of cable, device and cable.
Background technique
Existing cable usually passes through wireless module, carrier communication module uses the active communications such as the resonance method, ohmic leakage method
System carries out monitoring safety status, but that structure is complicated is not easy to install, and higher cost, and lightning protection effect is poor, while only inputting
Voltage could work normally when being standard input voltage such as AC220V, once input voltage variation is lower voltage or power-off
When (for example road lighting cable daytime disconnects), the safeguard protection of cable can not be affected by detecting amperometry safe condition.
Summary of the invention
In consideration of it, the present invention provides the method for security protection, device and cable of a kind of cable, solves existing cable and inputting
Safe condition can not be detected and safety detection is at high cost, lightning protection effect is poor technical problem when voltage is lower or power-off.
According to one embodiment of present invention, a kind of method for security protection of cable is provided, comprising: the input of detection cable
Voltage；Cable connection is disconnected by passive load module when detecting the input voltage and non-standard input voltage and is selected
The cable is connected into predeterminated voltage with load；Detect the input current of the cable；And according to the input detected
Electric current and the predeterminated voltage analyze the safe condition of the cable.
Optionally, the passive load module selects cable being switched on or switched off load according to input voltage.
Optionally, the passive load module includes supply voltage device, relay and load, when input voltage is that standard is defeated
When entering voltage, the supply voltage device input voltage, which controls the relay and jumps, makes the load disconnect cable；When input electricity
When pressure and non-standard input voltage, the supply voltage device inputs predeterminated voltage and controls the relay and do not jump and will load
Connect cable.
Optionally, the passive load module further includes input overvoltage protection delayed switch module, for when described
By input voltage clamper to the predeterminated voltage when relay jumps.
Optionally, the method for security protection of the cable further include: when detect the input voltage be standard input electricity
The input current of the cable is detected when pressure；The peace of the cable is analyzed according to the input current and input voltage that detect
Total state.
According to another embodiment of the invention, a kind of safety guard of cable is provided, comprising: voltage detecting mould
Block, the input voltage for detection cable；Current detection module, the input current for detection cable；Passive load module is used
Cable connection is disconnected when the input voltage and non-standard input voltage for detecting cable when the voltage detection module and is selected
Cable is connected into predeterminated voltage with load；And safety analysis module, for according to the voltage detection module and current detecting
The safe condition of input voltage, input current analysis cable that module detects.
Optionally, the passive load module selects cable being switched on or switched off load according to input voltage.
Optionally, the passive load module includes supply voltage device, relay and load, when input voltage is that standard is defeated
When entering voltage, the supply voltage device input voltage, which controls the relay and jumps, makes the load disconnect cable；When input electricity
When pressure and non-standard input voltage, the supply voltage device inputs predeterminated voltage and controls the relay and do not jump and will load
Connect cable.
Optionally, the passive load module further includes input overvoltage protection delayed switch module, for when described
By input voltage clamper to the predeterminated voltage when relay jumps.
According to still another embodiment of the invention, a kind of cable is provided, the cable includes that the safety of above-mentioned cable is protected
Protection unit.
Compared with prior art, the method for security protection of cable provided by the invention, device and cable, it is described when detecting
Cable connection is disconnected by passive load module when input voltage and non-standard input voltage and is selected the cable and load
Predeterminated voltage is connected, and then analyzes the safe shape of the cable according to the input current and the predeterminated voltage that detect
State realizes the safeguard protection of cable under non-standard input voltage or when cable disconnection, improves the safety detection effect of cable
Fruit, while passive load module does not need lightning-arrest design, improves the security and reliability of cable, improves cable safeguard protection
User experience.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.It should be evident that drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the flow diagram of the method for security protection of cable in one embodiment of the invention.
Fig. 2 is the structural schematic diagram of passive load module in one embodiment of the invention.
Fig. 3 is the detailed circuit schematic of passive load module in one embodiment of the invention.
Fig. 4 is the flow diagram of the method for security protection of cable in another embodiment of the present invention.
Fig. 5 is the structural schematic diagram of the safety guard of cable in one embodiment of the invention.
Specific embodiment
Further more detailed description is made to technical solution of the present invention with reference to the accompanying drawings and detailed description.It is aobvious
So, described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, those of ordinary skill in the art's every other embodiment obtained without creative labor,
It all should belong to the scope of protection of the invention.
In the description of the present invention, it is to be understood that, term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indication or suggestion relative importance.In the description of the present invention, it should be noted that unless otherwise specific regulation
And restriction, term " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected.For the ordinary skill in the art, above-mentioned term can be understood in the present invention in conjunction with concrete condition
Concrete meaning.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Fig. 1 is the flow diagram of the method for security protection of cable in one embodiment of the invention.As shown, the electricity
The method for security protection of cable, comprising:
Step S101: the input voltage of detection cable.
In the present embodiment, the input voltage of detection cable first, the shape of cable is judged according to the input voltage detected
State, and then select corresponding safe condition detection mode.
Step S102: electricity is disconnected by passive load module when detecting the input voltage and non-standard input voltage
Cable connects and selects the cable connecting predeterminated voltage with load.
Referring to figs. 2 and 3, in the present embodiment, be provided previously one can according to input voltage select by cable connect or
The passive load module 30 for disconnecting load, it is connect with the zero line L of the cable and zero line side N.As shown, the nothing
Source load blocks 30 include supply voltage device 301, relay 302 and load 303.In the present embodiment, the passive load mould
Block 30 further includes fuse F2, rectifier bridge D2, input overvoltage protection delayed switch module and fuse F1.The insurance
Silk F2 setting inputs zero line in the cable, for preventing 30 internal fault of passive load module from leading to electric network fault.
The fuse F1 setting is in 30 output ends of the load, for preventing 303 damage of load from leading to electric network fault.It is described whole
Stream bridge D2 is arranged in 301 output end of power transformer and connect with 302 input terminal of relay, the relay 302
Output end is connect with the input overvoltage protection delayed switch module, the input overvoltage protection delayed switching molding
Block, the 303 and fuse F1 of load are sequentially connected in series.
In the present embodiment, when input voltage and non-standard input voltage AC220V, even cable disconnection, the power supply
Voltage device 301 can not drive the relay 302 to jump, by the load in input predeterminated voltage AC24V and Non voltage output
303 connect cable.Cable street lamp in AC24V low pressure does not work, but the access of the load 303 makes the cable have electricity
Stream passes through.
Step S103: the input current of the cable is detected.
Step S104: the safe shape of the cable is analyzed according to the input current and the predeterminated voltage that detect
State.
In the secure state process for analyzing the cable, when input current is more than preset range, then the electricity is determined
There are security risks for cable, such as stolen or disconnection failure, and then can carry out corresponding lash-up recovering processing.
In the method for security protection of the cable of the present embodiment, when detecting the input voltage and non-standard input voltage
When cable connection is disconnected by passive load module and is selected the cable and is loaded and connect predeterminated voltage, and then according to detection
To the input current and the predeterminated voltage analyze the safe condition of the cable, realize under non-standard input voltage
Or cable disconnect when cable safeguard protection, improve the safety detection effect of cable, while passive load module does not need to keep away
Thunder design, improves the security and reliability of cable, improves the user experience of cable safeguard protection.
Referring to fig. 4, another embodiment of the present invention also provides a kind of method for security protection of cable.As shown, the electricity
The method for security protection of cable, comprising:
Step S401: the input voltage of detection cable.
Step S402: the input current of the cable is detected when detecting that the input voltage is standard input voltage.
Step S403: the safe condition of the cable is analyzed according to the input current and input voltage that detect.
In the secure state process for analyzing the cable, when the input voltage, input current are more than preset range,
Then determine that there are security risks for the cable, such as stolen or disconnection failure, and then corresponding lash-up recovering processing can be carried out.
In the present embodiment, when detecting input voltage is standard input voltage AC220V, the supply voltage device 301
With rectifier bridge D2 export V+=12V voltage, control the relay 302 jump by it is described load 303 with the cable disconnect, with
Prevent the AC220V high voltage of the cable by 303 damage of load.In the present embodiment, due to the relay 302
The voltage that voltage jump has delay to lead to the cable is higher than AC24V, and the input overvoltage protection delayed switch module can
The input voltage clamper that the relay 302 is jumped is to the predeterminated voltage AC24V.
In the method for security protection of the cable of the present embodiment, when detecting the input voltage is standard input voltage
Passive load module disconnects the connection of the cable and load, and then according to the input current and input voltage detected point
The safe condition for analysing the cable realizes under standard input voltage, the safeguard protection of cable, while passive load module is not
Lightning-arrest design is needed, the security and reliability of cable is improved, improves the user experience of cable safeguard protection.
Fig. 5 is the structural schematic diagram of the safety guard 100 of cable in one embodiment of the invention.As shown, institute
State the safety guard 100 of cable, including sequentially connected voltage detection module 10, current detection module 20, passive load
Module 30 and safety analysis module 40.
Wherein, the voltage detection module 10 is used for the input voltage of detection cable, and the current detection module 20 is used for
The input current of detection cable.In the present embodiment, electricity is judged according to the input voltage that the voltage detection module 10 detects
The state of cable, and then corresponding safe condition detection mode is selected, and the input detected according to the current detection module 20
Electric current can analyze the safe condition of the cable.
The passive load module 30 is used to detect the input voltage of cable and nonstandard when the voltage detection module 10
Cable connection is disconnected when quasi- input voltage and selects cable connecting predeterminated voltage with load.In the present embodiment, described passive
Load blocks 30 can select cable being switched on or switched off load according to input voltage, by itself and the zero line L of the cable and zero
Line end N connection.The passive load module 30 includes supply voltage device 301, relay 302 and load 303.In the present embodiment
In, the passive load module 30 further include fuse F2, rectifier bridge D2, input overvoltage protection delayed switch module and
Fuse F1.The fuse F2 setting inputs zero line in the cable, for preventing inside the passive load module 30
Failure leads to electric network fault.The fuse F1 setting is in 30 output ends of the load, for preventing 303 damage of load from leading
Cause electric network fault.The rectifier bridge D2 setting connects in 301 output end of power transformer and with 302 input terminal of relay
It connects, 302 output end of relay is connect with the input overvoltage protection delayed switch module, the input overvoltage protection
Delayed switch module, the 303 and fuse F1 of load are sequentially connected in series.
In the present embodiment, the input voltage and non-standard input voltage detected when the voltage detection module 10
When AC220V, even cable disconnect, the supply voltage device 301 can not drive in input predeterminated voltage AC24V and Non voltage output
It moves the relay 302 to jump, cable is connected into the load 303.Cable street lamp in AC24V low pressure does not work, but institute
The access for stating load 303 makes the cable have electric current to pass through.
The input that the safety analysis module 40 is detected according to the voltage detection module 10 and current detection module 20
The safe condition of voltage, input current analysis cable.Specifically, in the secure state process for analyzing the cable, when described
When input voltage, input current are more than preset range, then determine that there are security risks for the cable, such as stolen or disconnection event
Barrier, and then corresponding lash-up recovering processing can be carried out.
In the safety guard 100 of the cable of the present embodiment, when the voltage detection module 10 detect it is described defeated
Cable connection is disconnected by passive load module 30 when entering voltage and non-standard input voltage and is selected the cable and load
303 connect predeterminated voltage, and then the input current and the predeterminated voltage detected according to the current detection module 20
The safe condition for analyzing the cable realizes the safeguard protection of cable under non-standard input voltage or when cable disconnection, mentions
Risen the safety detection effect of cable, while passive load module 30 does not need lightning-arrest design, improve cable safety and can
By property, the user experience of cable safeguard protection is improved.
In an alternative embodiment of the invention, when the voltage detection module 10 detects that input voltage is standard input voltage
When AC220V, the supply voltage device 301 and rectifier bridge D2 export V+=12V voltage, control the relay 302 and jump institute
It states load 303 to disconnect with the cable, to prevent the AC220V high voltage of the cable by 303 damage of load.In this reality
It applies in example, since the voltage that the voltage jump of the relay 302 has delay to lead to the cable is higher than AC24V, the input
The input voltage clamper that overvoltage protection delayed switch module can jump the relay 302 is to the predeterminated voltage
AC24V。
In the safety system 100 of the cable of the present embodiment, when the voltage detection module 10 detect it is described defeated
Enter the connection that passive load module 30 when voltage is standard input voltage disconnects the cable and load 303, the safety analysis
Module 40 analyzes the safe condition of the cable according to the input current and input voltage that detect, realizes defeated in standard
Enter under voltage, the safeguard protection of cable, while passive load module 30 does not need lightning-arrest design, improve cable safety and can
By property, the user experience of cable safeguard protection is improved.
In still another embodiment of the process, a kind of cable is also provided, the cable includes the safeguard protection of above-mentioned cable
Device 100 improves the safety detection effect of cable, improves the security and reliability of cable, improves cable safeguard protection
User experience.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction executing device with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The descriptions such as example " or " some examples " mean particular features, structures, materials, or characteristics described in conjunction with this embodiment or example
It is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are different
Surely identical embodiment or example is referred to.Moreover, particular features, structures, materials, or characteristics described can be any
It can be combined in any suitable manner in one or more embodiment or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (6)
1. a kind of method for security protection of cable characterized by comprising
The input voltage of detection cable；
When detecting the input voltage and non-standard input voltage, cable connection is disconnected by passive load module and is selected
The cable is connected into predeterminated voltage with load, the passive load module selects for cable to be switched on or switched off according to input voltage
Load, including supply voltage device, relay and load, when input voltage is standard input voltage, the supply voltage device is defeated
Entering voltage and controlling the relay and jump makes the load disconnection cable；It is described when input voltage and non-standard input voltage
Supply voltage device inputs predeterminated voltage and controls the relay and do not jump and cable is connected in load；
Detect the input current of the cable；And
The safe condition of the cable is analyzed according to the input current and the predeterminated voltage that detect.
2. the method for security protection of cable as described in claim 1, which is characterized in that the passive load module further includes defeated
Enter overvoltage protection delayed switch module, for when the relay is jumped by input voltage clamper to the default electricity
Pressure.
3. the method for security protection of cable as described in claim 1, which is characterized in that further include:
The input current of the cable is detected when detecting that the input voltage is standard input voltage；
The safe condition of the cable is analyzed according to the input current and input voltage that detect.
4. a kind of safety guard of cable characterized by comprising
Voltage detection module, the input voltage for detection cable；
Current detection module, the input current for detection cable；
Passive load module, for detecting the input voltage of cable when the voltage detection module and when non-standard input voltage
It disconnects cable connection and selects to connect cable into predeterminated voltage with load, the passive load module is selected according to input voltage will
Cable is switched on or switched off load, including supply voltage device, relay and load, when input voltage is standard input voltage, institute
Stating supply voltage device input voltage and controlling the relay and jump makes the load disconnect cable；When input voltage and non-standard defeated
When entering voltage, the supply voltage device inputs predeterminated voltage and controls the relay and do not jump and cable is connected in load；With
And
Safety analysis module, input voltage, input for being detected according to the voltage detection module and current detection module
The safe condition of amperometry cable.
5. the safety guard of cable as claimed in claim 4, which is characterized in that the passive load module further includes defeated
Enter overvoltage protection delayed switch module, for when the relay is jumped by input voltage clamper to the default electricity
Pressure.
6. a kind of cable, which is characterized in that the cable includes that the safety of the described in any item cables of claim 4 to 5 such as is protected
Protection unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610223409.9A CN105896526B (en) | 2016-04-12 | 2016-04-12 | Method for security protection, device and the cable of cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610223409.9A CN105896526B (en) | 2016-04-12 | 2016-04-12 | Method for security protection, device and the cable of cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105896526A CN105896526A (en) | 2016-08-24 |
| CN105896526B true CN105896526B (en) | 2019-07-23 |
Family
ID=57012938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610223409.9A Active CN105896526B (en) | 2016-04-12 | 2016-04-12 | Method for security protection, device and the cable of cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105896526B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102170106A (en) * | 2011-02-28 | 2011-08-31 | 中国北方车辆研究所 | Security protection method under vehicle high-voltage power supply system |
| CN204649895U (en) * | 2015-05-29 | 2015-09-16 | 国家电网公司 | Cable monitoring system |
| CN205027858U (en) * | 2015-10-12 | 2016-02-10 | 国家电网公司 | Special fault indicator of high -tension transmission net cable run |
-
2016
- 2016-04-12 CN CN201610223409.9A patent/CN105896526B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102170106A (en) * | 2011-02-28 | 2011-08-31 | 中国北方车辆研究所 | Security protection method under vehicle high-voltage power supply system |
| CN204649895U (en) * | 2015-05-29 | 2015-09-16 | 国家电网公司 | Cable monitoring system |
| CN205027858U (en) * | 2015-10-12 | 2016-02-10 | 国家电网公司 | Special fault indicator of high -tension transmission net cable run |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105896526A (en) | 2016-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105652190B (en) | Utilize the switch state inspection of the circuit block of insulated monitor | |
| EP2899827A1 (en) | Multi-power supply system and control method thereof | |
| CN105324897A (en) | Assembly for electrical protection of a potential short-circuit path or an overload in a direct current network having a system-determined, variable source internal resistance | |
| EP2580828A1 (en) | Fault protection of hvdc transmission lines | |
| KR20190005954A (en) | Flame circuit protection system, module and method | |
| CN105474542A (en) | Semiconductor device | |
| CN107124911A (en) | A kind of method of failure in removing HVDC electric power networks | |
| CN104181438B (en) | A kind of failure detector circuit, method and device | |
| CN104827912A (en) | Relay detection device | |
| US9472941B2 (en) | Battery module | |
| CN103675591A (en) | Multipoint insulation fault detection circuit of power battery output bus | |
| CN104599901A (en) | Detection circuit used for contactor | |
| CN103236695A (en) | Power distribution network loop closing current switching method and device, and power distribution terminal | |
| CN204615639U (en) | Softly open circuit and power equipment circuit | |
| KR101631998B1 (en) | Solar power generation system having Controlling Device for Leakage Current and Double Protection for Surge | |
| CN105814782A (en) | Circuit arrangement for emergency operation of a multiphase voltage converter by means of special operating methods | |
| CN203535152U (en) | Recessive defect detecting device for external starting contacts of failure protection equipment | |
| CN102680846B (en) | Methods for judging and protecting reliability of connection among battery units, and protection device | |
| CN105896526B (en) | Method for security protection, device and the cable of cable | |
| CN110190740A (en) | Fault-tolerant guard method, circuit and the air conditioner of pfc circuit | |
| CN204832407U (en) | A high -voltage circuit detection device for electric motor car | |
| CN208723536U (en) | A kind of electromotor integrated protection system for extractive equipment | |
| CN104422897A (en) | Method and device for detecting direct current crossing in double direct-current power source systems | |
| CN104422896A (en) | Method and device for detecting direct current crossing in double direct-current power source systems | |
| CN105720554A (en) | Overvoltage protection device and operation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | 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 | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201113 Address after: Room 10242, No. 260, Jiangshu Road, Xixing street, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Jiji Intellectual Property Operation Co., Ltd Address before: 201616 Shanghai city Songjiang District Sixian Road No. 3666 Patentee before: Phicomm (Shanghai) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211221 Address after: 276000 Longhu Software Park, 279 shuangyueyuan Road, high tech Industrial Development Zone, Linyi City, Shandong Province Patentee after: Linyi Longruan Information Technology Co.,Ltd. Address before: Room 10242, No. 260, Jiangshu Road, Xixing street, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou Jiji Intellectual Property Operation Co., Ltd |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220119 Address after: 276000 Huaxia Road 106, Linyi Economic and Technological Development Zone, Shandong Province Patentee after: Shandong Shuangyue Cable Group Co.,Ltd. Address before: 276000 Longhu Software Park, 279 shuangyueyuan Road, high tech Industrial Development Zone, Linyi City, Shandong Province Patentee before: Linyi Longruan Information Technology Co.,Ltd. |