CN106025860B - A kind of intelligent drawer cabinet for electric system - Google Patents
A kind of intelligent drawer cabinet for electric system Download PDFInfo
- Publication number
- CN106025860B CN106025860B CN201610529372.2A CN201610529372A CN106025860B CN 106025860 B CN106025860 B CN 106025860B CN 201610529372 A CN201610529372 A CN 201610529372A CN 106025860 B CN106025860 B CN 106025860B
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- CN
- China
- Prior art keywords
- cabinet
- integrated circuit
- electric system
- drawer
- idler wheel
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/173—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal drawer type
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Trip Switchboards (AREA)
Abstract
Intelligent drawer cabinet the present invention relates to kind for electric system, including cabinet, the front of the cabinet is equipped with several drawout cubicle units, the side of the cabinet is equipped with several thermovents, the intelligent drawer cabinet for being used for electric system passes through the driving motor in fixed cell and rotates, casing is set to be moved to outside groove, protrusion part is formed on idler wheel, idler wheel is prevented to move, to make drawer box fix, realize limit function, moreover, in digital temperature measuring circuit, by the way that analog signal is transmitted in the form of digital signal, to ensure that the stability and reliability of signal transmission, improve the anti-interference of temperature measurement and the accuracy of measurement result.
Description
Technical field
The present invention relates to a kind of intelligent drawer cabinets for electric system.
Background technology
Drawout cubicle is cabinet made of being combined by several drawers, compared to common electrical cabinet, high with integrated level,
It is small, the characteristics of more occasion distribution operations can be carried out, be widely used in various electric system.
The drawer unit of existing drawout cubicle mostly uses common drawer box, sliding in drawer is open by drawer box
It is dynamic to carry out the operations such as wiring repair to each circuit components in drawer box inside.But in use, each on electrical cabinet
A drawer unit is generally deficient of corresponding limit measure, often that drawer is fully open when operating personnel being caused to move drawer, and
In order to which various operations facilitate in actual conditions, it is only necessary to movable part drawer, moreover, in order to monitor the work of drawout cubicle in real time
Temperature understands its running environment, needs to measure drawout cubicle inside into trip temperature, but in existing temperature measuring circuit, all
It is to be transmitted by the form of analog signal after being sampled to temperature by temperature sensor, but believe due to simulating
Number during transmission, poor for the anti-interference ability of interference signal, to cause to send out in terminal-pair temperature signal collection
Raw deviation, to reduce the reliability of temperature measurement.
Invention content
The technical problem to be solved by the present invention is to：For overcome the deficiencies in the prior art, it provides and a kind of being used for power train
The intelligent drawer cabinet of system.
The technical solution adopted by the present invention to solve the technical problems is：A kind of intelligent drawer cabinet for electric system,
Including cabinet, the front of the cabinet is equipped with several drawout cubicle units, and the side of the cabinet is equipped with several thermovents；
The drawout cubicle unit includes mounting socket and the drawer appliance that is arranged in mounting socket, and the mounting socket is set
It sets in cabinet, the shape of the vertical cross-section of the mounting socket is U-shaped, and the both sides in the mounting socket are equipped with guide-track groove；
The drawer appliance includes drawer box, operation panel and sliding equipment, and the operation panel is arranged in drawer box
Outside, the sliding equipment include two slide assemblies, and the slide assemblies are arranged in the both sides of drawer box, the slide assemblies
Including two sliding units and two shafts, the sliding unit is corresponded with shaft, and the sliding unit is arranged in guide rail
In slot；
The sliding unit includes idler wheel, and the drawer box is sequentially connected by shaft and idler wheel, and the idler wheel is equipped with
Several grooves, the center of circle of the notch far from idler wheel of the groove, the groove are circumferentially evenly distributed on idler wheel along the center of circle of idler wheel
On, the shape of the vertical cross-section of the groove is U-shaped, and fixed cell is equipped in the groove, and the fixed cell includes driving
Motor, drive shaft and casing, the driving motor are fixed on the bottom of groove, and the driving motor is sequentially connected with drive shaft,
The propeller shaft sleeve is located in casing, and the periphery of the drive shaft is equipped with external screw thread, and internal thread, the drive are equipped in described sleeve pipe
The external screw thread of moving axis and the internal thread of casing match；
It is equipped with digital temperature measurement module in the cabinet, digital temperature is equipped in the digital temperature measurement module
Measuring circuit is spent, the digital temperature measuring circuit includes integrated circuit, first resistor, second resistance, 3rd resistor, first
Capacitance, the second capacitance and triode, the model LM84 of the integrated circuit, the external 5V direct currents of power end of the integrated circuit
Voltage source, the power end of the integrated circuit is by the second capacity earth, and the ground terminal of the integrated circuit is grounded, the collection
At circuit positive digital end by the negative digital end of the first capacitance and integrated circuit connect, the positive digital end of the integrated circuit with
The collector of triode connects, and the collector of the triode and the base stage of triode connect, the negative word of the integrated circuit
End is connect with the emitter of triode, and the ground terminal ground connection of the integrated circuit, the warning end of the integrated circuit passes through third
The data terminal of the external 5V DC voltage power supplies of resistance, the integrated circuit passes through the external 5V DC voltage power supplies of first resistor, institute
The clock end for stating integrated circuit passes through the external 5V DC voltage power supplies of second resistance.
Preferably, personnel intuitively observe the operating condition of drawout cubicle and carry out relevant operation in order to facilitate the operation, institute
It states operation panel and is equipped with display screen, switch, loud speaker, several indicator lights, several operation buttons and two handles, the handle
It is arranged in the both sides of operation panel.
Preferably, personnel quickly carry out limit operation to drawer box in order to facilitate the operation, the operation panel is equipped with
Emergency stop button.
Preferably, the characteristics of being easy up to flow using hot-air, in order to reinforce heat-sinking capability, the thermovent setting
Top in cabinet side.
Preferably, in order to improve the heat dissipation area of thermovent to reinforce heat-sinking capability, the shape of the thermovent is
Arc.
Preferably, drawer appliance is inserted into the inside of mounting socket for convenience, the shape of the mounting socket opening
It is tubaeform.
Preferably, operation is carried in the lifting of the drawout cubicle for convenience, the top of the cabinet is equipped with several hanging rings.
Preferably, the model 2N3904 of the triode.
The invention has the advantages that the intelligent drawer cabinet for being used for electric system passes through the driving motor in fixed cell
Rotation, makes casing be moved to outside groove, forms protrusion part on idler wheel, idler wheel is prevented to move, to make drawer box fix,
Realize limit function, moreover, in digital temperature measuring circuit, by by analog signal in the form of digital signal into
Row transmission improves the anti-interference and measurement result of temperature measurement to ensure that the stability and reliability of signal transmission
Accuracy.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of the intelligent drawer cabinet for electric system of the present invention；
Fig. 2 is the structural schematic diagram of the intelligent drawer cabinet for electric system of the present invention；
Fig. 3 is the structural schematic diagram of the drawout cubicle of the intelligent drawer cabinet for electric system of the present invention；
Fig. 4 is the structural schematic diagram of the mounting socket of the intelligent drawer cabinet for electric system of the present invention；
Fig. 5 is the structural schematic diagram of the mounting socket of the intelligent drawer cabinet for electric system of the present invention；
Fig. 6 is the structural schematic diagram of the drawer appliance of the intelligent drawer cabinet for electric system of the present invention；
Fig. 7 is the structural schematic diagram of the drawer appliance of the intelligent drawer cabinet for electric system of the present invention；
Fig. 8 is the structural schematic diagram of the sliding unit of the intelligent drawer cabinet for electric system of the present invention；
Fig. 9 is the structural schematic diagram of the operation panel of the intelligent drawer cabinet for electric system of the present invention；
The circuit diagram of the digital temperature measuring circuit of the intelligent drawer cabinet for electric system of Figure 10 inventions；
In figure：1. cabinet, 2. drawout cubicle units, 3. hanging rings, 4. thermovents, 5. mounting sockets, 6. drawer appliances, 7. guide rails
Slot, 8. drawer boxes, 9. operation panels, 10. sliding units, 11. idler wheels, 12. grooves, 13. driving motors, 14. drive shafts, 15.
Casing, 16. display screens, 17. indicator lights, 18. operation buttons, 19. switches, 20. loud speakers, 21. handles, 22. emergency stop buttons,
23. shaft, U1. integrated circuits, R1. first resistors, R2. second resistances, R3. 3rd resistors, the first capacitances of C1., the second electricity of C2.
Hold, Q1. triodes.
Specific implementation mode
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant to the invention.
As shown in Fig. 1-Figure 10, a kind of intelligent drawer cabinet for electric system, including cabinet 1, the front of the cabinet 1
Equipped with several drawout cubicle units 2, the side of the cabinet 1 is equipped with several thermovents 4；
The drawout cubicle unit 2 includes mounting socket 5 and the drawer appliance 6 being arranged in mounting socket 5, and the installation is inserted
Mouth 5 is arranged in cabinet 1, and the shape of the vertical cross-section of the mounting socket 5 is U-shaped, and the both sides in the mounting socket 5 are equipped with
Guide-track groove 7；
The drawer appliance 6 includes drawer box 8, operation panel 9 and sliding equipment, and the operation panel 9 is arranged in drawer
The outside of box 8, the sliding equipment include two slide assemblies, and the slide assemblies are arranged in the both sides of drawer box 8, the cunning
Dynamic component includes two sliding units 10 and two shafts 23, and the sliding unit 10 is corresponded with shaft 23, the sliding
Unit 10 is arranged in guide-track groove 7；
The sliding unit 10 includes idler wheel 11, and the drawer box 8 is sequentially connected by shaft 23 and idler wheel 11, the rolling
Wheel 11 is equipped with several grooves 12, and the notch of the groove 12 is far from the center of circle of idler wheel 11, circle of the groove 12 along idler wheel 11
The heart is circumferentially evenly distributed on idler wheel 11, and the shape of the vertical cross-section of the groove 12 is U-shaped, is equipped with and fixes in the groove 12
Unit, the fixed cell include driving motor 13, drive shaft 14 and casing 15, and the driving motor 13 is fixed on groove 12
Bottom, the driving motor 13 are sequentially connected with drive shaft 14, and the drive shaft 14 is set in casing 15, the drive shaft 14
Periphery be equipped with external screw thread, internal thread, the internal thread of the external screw thread and casing 15 of the drive shaft 14 are equipped in described sleeve pipe 15
Match；
It is equipped with digital temperature measurement module in the cabinet 1, is equipped in the digital temperature measurement module digital
Temperature measuring circuit, the digital temperature measuring circuit include integrated circuit U1, first resistor R1, second resistance R2, third
The model LM84 of resistance R3, the first capacitance C1, the second capacitance C2 and triode Q1, the integrated circuit U1, the integrated electricity
The external 5V DC voltage power supplies of power end of road U1, the power end of the integrated circuit U1 are described by the second capacitance C2 ground connection
The ground terminal of integrated circuit U1 is grounded, and the positive digital end of the integrated circuit U1 passes through the negative of the first capacitance C1 and integrated circuit U1
Digital end connects, and the positive digital end of the integrated circuit U1 is connect with the collector of triode Q1, the current collection of the triode Q1
Pole is connect with the base stage of triode Q1, and the negative digital end of the integrated circuit U1 is connect with the emitter of triode Q1, the collection
Be grounded at the ground terminal of circuit U 1, the warning end of the integrated circuit U1 by the external 5V DC voltage power supplies of 3rd resistor R3,
The data terminal of the integrated circuit U1 passes through the external 5V DC voltage power supplies of first resistor R1, the clock end of the integrated circuit U1
Pass through the external 5V DC voltage power supplies of second resistance R2.
Preferably, personnel intuitively observe the operating condition of drawout cubicle and carry out relevant operation in order to facilitate the operation, institute
Operation panel 9 is stated equipped with display screen 16, switch 19, loud speaker 20, several indicator lights 17, several operation buttons 18 and two one or two
Hand 21, the handle 21 are arranged in the both sides of operation panel 9.
Preferably, personnel quickly carry out limit operation to drawer box 8 in order to facilitate the operation, it is set on the operation panel 9
There is emergency stop button 22.
Preferably, the characteristics of being easy up to flow using hot-air, in order to reinforce heat-sinking capability, the thermovent 4 is set
Set the top in 1 side of cabinet.
Preferably, in order to improve the heat dissipation area of thermovent 4 to reinforce heat-sinking capability, the shape of the thermovent 4
For arc.
Preferably, drawer appliance 6 is inserted into the inside of mounting socket 5, the shape that the mounting socket 5 is open for convenience
It is tubaeform.
Preferably, operation is carried in the lifting of the drawout cubicle for convenience, the top of the cabinet 1 is equipped with several hanging rings 3.
Preferably, the model 2N3904 of the triode Q1.
In the drawer appliance 6 on mobile cabinet 1, in order to fix the position of drawer box 8, to facilitate the behaviour such as wiring repair
The progress of work usually carries out limit to drawer box 8 by the fixed cell on sliding unit 10 and operates, it is made to fix.Use fixation
When unit, personnel are directly fixed in order to facilitate the operation, and the emergency stop button 22 of fixed cell work will be driven to be arranged in handle
On 21, operating personnel is enable to fix drawer box 8 at any time when pulling drawer appliance 6.In a fixation unit, by 13 turns of driving motor
It is dynamic, drive drive shaft 14 to be rotated along its own axis, in rotary course, by the external screw thread and casing 15 in drive shaft 14
Internal thread match, keep casing 15 mobile towards the outside of groove 12 on idler wheel 11, when casing 15 is moved to 12 outside of groove,
There is the protrusion part of several casings 15 in the periphery of idler wheel 11, and under the action of several protrusion parts, idler wheel 11 is no longer in guide rail
It is moved in slot 7, to make drawer box 8 fix.The intelligent drawer cabinet for being used for electric system passes through the driving electricity in fixed cell
Machine 13 rotates, and casing 15 is made to be moved to outside groove 12, forms protrusion part on idler wheel 11, idler wheel 11 is prevented to move, to
So that drawer box 8 is fixed, realizes limit function.
In order to accurately measure the temperature in cabinet 1, to grasp the effective environment of drawout cubicle operation, by digital temperature
Measurement module is detected the temperature in cabinet 1.In digital temperature measuring circuit, the model of integrated circuit U1
Temperature signal is converted into digital signal, the external temperature-sensing element triode Q1 of LM84 palpuses, triode by LM84, integrated circuit U1
Q1 detects the temperature of testee, and the analog signal that temperature change generates exports 8 bit binary datas after LM84 is handled.The electricity
Road is by the way that analog signal to be transmitted in the form of digital signal, to ensure that the stability and reliability of signal transmission,
Improve the anti-interference of temperature measurement and the accuracy of measurement result.
Compared with prior art, which passes through 13 turns of driving motor in fixed cell
It is dynamic, so that casing 15 is moved to outside groove 12, forms protrusion part on idler wheel 11, prevent idler wheel 11 from moving, to make drawer
Box 8 fix, realize limit function, moreover, in digital temperature measuring circuit, by by analog signal with digital signal
Form be transmitted, to ensure that the stability and reliability of signal transmission, improve temperature measurement anti-interference and
The accuracy of measurement result.
It is enlightenment with above-mentioned desirable embodiment according to the present invention, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to determine its technical scope according to right.
Claims (8)
1. a kind of intelligent drawer cabinet for electric system, including cabinet (1), which is characterized in that the front of the cabinet (1) is set
There are several drawout cubicle units (2), the side of the cabinet (1) to be equipped with several thermovents (4)；
The drawout cubicle unit (2) includes the drawer appliance (6) of mounting socket (5) and setting in mounting socket (5), the peace
Mouth (5) setting is plugged in cabinet (1), the shape of the vertical cross-section of the mounting socket (5) is U-shaped, the mounting socket (5)
Interior both sides are equipped with guide-track groove (7)；
The drawer appliance (6) includes drawer box (8), operation panel (9) and sliding equipment, and operation panel (9) setting exists
The outside of drawer box (8), the sliding equipment include two slide assemblies, and the slide assemblies are arranged the two of drawer box (8)
Side, the slide assemblies include two sliding units (10) and two shafts (23), the sliding unit (10) and shaft (23)
It corresponds, sliding unit (10) setting is in guide-track groove (7)；
The sliding unit (10) includes idler wheel (11), and the drawer box (8) is sequentially connected by shaft (23) and idler wheel (11),
The idler wheel (11) is equipped with several grooves (12), the center of circle of the notch far from idler wheel (11) of the groove (12), the groove
(12) it is circumferentially evenly distributed on idler wheel (11) along the center of circle of idler wheel (11), the shape of the vertical cross-section of the groove (12) is U
Shape, the groove (12) is interior to be equipped with fixed cell, and the fixed cell includes driving motor (13), drive shaft (14) and casing
(15), the driving motor (13) is fixed on the bottom of groove (12), and the driving motor (13) connects with drive shaft (14) transmission
It connects, the drive shaft (14) is set in casing (15), and the periphery of the drive shaft (14) is equipped with external screw thread, described sleeve pipe (15)
Interior to be equipped with internal thread, the internal thread of the external screw thread and casing (15) of the drive shaft (14) matches；
It is equipped with digital temperature measurement module in the cabinet (1), digital temperature is equipped in the digital temperature measurement module
Spend measuring circuit, the digital temperature measuring circuit include integrated circuit (U1), first resistor (R1), second resistance (R2),
3rd resistor (R3), the first capacitance (C1), the second capacitance (C2) and triode (Q1), the model of the integrated circuit (U1)
LM84, the external 5V DC voltage power supplies of power end of the integrated circuit (U1), the power end of the integrated circuit (U1) pass through
Second capacitance (C2) is grounded, and the ground terminal ground connection of the integrated circuit (U1), the positive digital end of the integrated circuit (U1) passes through
First capacitance (C1) is connect with the negative digital end of integrated circuit (U1), the positive digital end of the integrated circuit (U1) and triode
(Q1) collector connection, the collector of the triode (Q1) are connect with the base stage of triode (Q1), the integrated circuit
(U1) negative digital end is connect with the emitter of triode (Q1), the ground terminal ground connection of the integrated circuit (U1), described integrated
For the warning end of circuit (U1) by the external 5V DC voltage power supplies of 3rd resistor (R3), the data terminal of the integrated circuit (U1) is logical
The external 5V DC voltage power supplies of first resistor (R1) are crossed, the clock end of the integrated circuit (U1) is external by second resistance (R2)
5V DC voltage power supplies.
2. being used for the intelligent drawer cabinet of electric system as described in claim 1, which is characterized in that on the operation panel (9)
Equipped with display screen (16), switch (19), loud speaker (20), several indicator lights (17), several operation buttons (18) and two handles
(21), both sides of handle (21) setting in operation panel (9).
3. being used for the intelligent drawer cabinet of electric system as claimed in claim 2, which is characterized in that on the operation panel (9)
Equipped with emergency stop button (22).
4. being used for the intelligent drawer cabinet of electric system as described in claim 1, which is characterized in that thermovent (4) setting
Top in cabinet (1) side.
5. being used for the intelligent drawer cabinet of electric system as described in claim 1, which is characterized in that the shape of the thermovent (4)
Shape is arc.
6. being used for the intelligent drawer cabinet of electric system as described in claim 1, which is characterized in that the mounting socket (5) is opened
Mouthful shape it is tubaeform.
7. being used for the intelligent drawer cabinet of electric system as described in claim 1, which is characterized in that the top of the cabinet (1)
Equipped with several hanging rings (3).
8. being used for the intelligent drawer cabinet of electric system as described in claim 1, which is characterized in that the type of the triode (Q1)
Number be 2N3904.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610529372.2A CN106025860B (en) | 2016-07-06 | 2016-07-06 | A kind of intelligent drawer cabinet for electric system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610529372.2A CN106025860B (en) | 2016-07-06 | 2016-07-06 | A kind of intelligent drawer cabinet for electric system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106025860A CN106025860A (en) | 2016-10-12 |
| CN106025860B true CN106025860B (en) | 2018-10-09 |
Family
ID=57106747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610529372.2A Active CN106025860B (en) | 2016-07-06 | 2016-07-06 | A kind of intelligent drawer cabinet for electric system |
Country Status (1)
| Country | Link |
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| CN (1) | CN106025860B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410652A (en) * | 2016-11-18 | 2017-02-15 | 国家电网公司 | Intelligent drawer cabinet used for electric power system |
| CN107482519B (en) * | 2017-08-11 | 2019-01-22 | 山东恒东实业集团有限公司 | A kind of electric drawer formula Electromagnetic Control electric power cabinet |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5899205A (en) * | 1981-12-09 | 1983-06-13 | 株式会社日立製作所 | Cooler for enclosed control panel |
| DE102008054081B4 (en) * | 2008-10-31 | 2011-02-03 | Seifert Mtm Systems Malta Ltd. | Method for conditioning a control cabinet |
| CN102856854A (en) * | 2012-09-04 | 2013-01-02 | 昆山永丰电气成套设备有限公司 | Switch type high voltage cable branch box |
| CN104037637B (en) * | 2014-05-09 | 2016-02-24 | 四川省科学城久信科技有限公司 | Drawer type capacitor compensation cabinet |
| CN204649281U (en) * | 2015-05-27 | 2015-09-16 | 浙江天信仪表科技有限公司 | Proving operation platform |
| CN205212214U (en) * | 2015-12-28 | 2016-05-04 | 富阳鸿祥技术服务有限公司 | Waterproof switch board based on thing networking monitoring |
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2016
- 2016-07-06 CN CN201610529372.2A patent/CN106025860B/en active Active
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| Publication number | Publication date |
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| CN106025860A (en) | 2016-10-12 |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180828 Address after: 510000 B1B2, one, two, three and four floors of the podium building 231 and 233, science Avenue, Guangzhou, Guangdong. Applicant after: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd. Address before: 510000 No. 486 Kangwang Middle Road, Liwan District, Guangzhou City, Guangdong Province Applicant before: Chen Jialing Effective date of registration: 20180828 Address after: 511517 Guangdong Qingyuan high tech Industrial Development Zone 6 A2 9 9 Applicant after: Guangdong Wen Feng Power Tech Corp.,Inc. Address before: 510000 B1B2, one, two, three and four floors of the podium building 231 and 233, science Avenue, Guangzhou, Guangdong. Applicant before: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An Intelligent Drawer Cabinet for Power System Effective date of registration: 20220923 Granted publication date: 20181009 Pledgee: Bank of China Limited Qingyuan Branch Pledgor: Guangdong Wen Feng Power Tech Corp.,Inc. Registration number: Y2022980016267 |