CN105977853A - New type electric cabinet for power transmission and distribution system - Google Patents
New type electric cabinet for power transmission and distribution system Download PDFInfo
- Publication number
- CN105977853A CN105977853A CN201610474593.4A CN201610474593A CN105977853A CN 105977853 A CN105977853 A CN 105977853A CN 201610474593 A CN201610474593 A CN 201610474593A CN 105977853 A CN105977853 A CN 105977853A
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- Prior art keywords
- resistance
- cabinet
- unit
- distribution system
- operational amplifier
- Prior art date
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 29
- 230000003321 amplification Effects 0.000 claims abstract description 23
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 23
- 239000011324 bead Substances 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 10
- 239000011521 glass Substances 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/127—Withdrawal mechanism
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Trip Switchboards (AREA)
- Patch Boards (AREA)
Abstract
The invention relates to a new type electric cabinet for power transmission and distribution systems. The cabinet comprises a cabinet body. A working indicator lamp, a switch and a plurality of drawer units are arranged on the front of the cabinet body. A heat dissipation mechanism is arranged on one side of the cabinet body. According to the new type electric cabinet for the power transmission and distribution systems, the pressure generated by a glass bead on a spring is detected through a pressure sensor on a limiting unit, therefore, the rotation distance of a rotation wheel is detected, the rotation distance is used for controlling the moving distances of the drawer boxes, the movement of the drawer units in mounting guide rails is limited, and a worker can carry out corresponding work conveniently. Moreover, in a signal amplifier circuit, OP90 is a high-performance and micro-power-consumption operational amplifier, and therefore, the power consumption of the signal amplification circuit is greatly reduced. Moreover, the OP90 is characterized in low offset voltage and high gain. The signal processing precision of the signal amplification circuit is greatly improved. The reliability of the electric cabinet is improved.
Description
Technical field
The present invention relates to a kind of Novel electrical cabinet for electrical power trans mission/distribution system.
Background technology
Regulator cubicle is by switchgear, measuring instruments, protection electrical equipment and auxiliary equipment group by electrical wiring requirement
Being contained on closing or semiclosed metal safe or screen width, constitute low-voltage distribution equipment, main effect is distribution control
Electric energy is assigned to each load position by system, and short circuit, transship and leak electricity time power-off protection.Electricity
Gas holder is of many uses is mainly used in chemical industry, environmental protection industry (epi), power system, metallurgical system, industry, core
Electricity industry, fire-fighting safety system, transportation industry etc..
In order to realize multi-channel control effect, regulator cubicle generally uses the mode of drawer by integrated for each control area
In single drawout cubicle, thus decrease space.But each drawer in operation, on regulator cubicle
Unit is generally deficient of corresponding spacing measure, and drawer is fully open to cause operator often to say when moving drawer,
And under normal circumstances, in order to easy to operate, it is only necessary to movable part drawer, moreover, in regulator cubicle,
Need to be amplified the various signals accessed test, but generally signal amplification circuit not only power consumption is big, and
Precision is low, thus reduces the practical value of regulator cubicle.
Summary of the invention
The technical problem to be solved in the present invention is: in order to overcome the deficiencies in the prior art, it is provided that a kind of is used for
The Novel electrical cabinet of electrical power trans mission/distribution system.
The technical solution adopted for the present invention to solve the technical problems is: a kind of novel for electrical power trans mission/distribution system
Regulator cubicle, including cabinet, the front of described cabinet is provided with relay indicating light, switch and some drawout cubicle unit,
The side of described cabinet is provided with cooling mechanism；
Described drawout cubicle unit includes installing guide rail and being arranged on the drawer unit installed in guide rail, described installation
The vertical cross-section of guide rail be shaped as U-shaped, the lower section of described installation guide rail is provided with horizontally disposed guide-rail plate；
Described drawer unit includes drawer box, the panel being arranged on drawer box front and is arranged on drawer box both sides
Mobile unit, described mobile unit includes that horizontally disposed rotating shaft and sliding unit, described drawer box pass through
Rotating shaft is connected with sliding unit, and described sliding unit is arranged on the top of guide-rail plate；
Described sliding unit includes that runner and some position-limiting units, described position-limiting unit circumference are uniformly arranged on and turns
The periphery of wheel, described position-limiting unit includes shell, the vertical cross-section of described shell be shaped as U-shaped, described
The bottom of shell is fixed on runner, is provided with bead, spring and pressure transducer in described shell, described
The fixing bottom in the enclosure of pressure transducer, described pressure transducer is connected with bead by spring；
Being provided with signal amplification module in described drawout cubicle unit, described signal amplification module includes that signal amplifies electricity
Road, described signal amplification circuit include operational amplifier, the first resistance, the second resistance, the 3rd resistance, can
Adjusting resistance and electric capacity, the model of described operational amplifier is OP90, and the power end of described operational amplifier is external
5V DC voltage power supply, the power end of described operational amplifier passes through capacity earth, described operational amplifier
Earth terminal ground connection, two switches of described operational amplifier arrange end, the switch of one of them operational amplifier
Arrange and hold the series circuit and another operation amplifier formed by the first resistance, the second resistance and the 3rd resistance
The switch of device arrange end connect, the outfan of described operational amplifier by adjustable resistance respectively with the second resistance
Connecting with the 3rd resistance, the adjustable end of described adjustable resistance is connected with the second resistance and the 3rd resistance respectively.
As preferably, the installing/dismounting of cooling mechanism for convenience, described cooling mechanism includes housing, filtration
Net, fan and some screws, described housing generally circular in shape, described screw is fixed on cabinet through housing
Upper and circumference is evenly distributed on housing, and described drainage screen and fan are arranged in housing, and described fan sets
Put the inner side at drainage screen.
As preferably, specifying drawer unit for convenience, the inner side of described installation guide rail is provided with groove, described
Groove be shaped as semicircle.
As preferably, drawer unit inserts and installs in guide rail for convenience, the opening shape of described installation guide rail
For tubaeform.
As preferably, in order to fix the sliding trace of drawer unit, the top of described guide-rail plate is near drawer box
One end be provided with limited block.
As preferably, showing for convenience and operate, described panel is provided with display screen, handle, Ruo Ganzhuan
State display lamp and some control buttons.
As preferably, in order to ensure good man-machine display interface, described display screen is LCDs.
As preferably, install bottom guide rail to prevent drawer box from clashing into, the bottom inside described installation guide rail
It is shaped as semicircle.
The invention has the beneficial effects as follows, this is used for the Novel electrical cabinet of electrical power trans mission/distribution system by position-limiting unit
The pressure that spring is produced by pressure transducer detection bead, thus detect the rotation distance of runner, and in order to
Control the displacement of drawer box, it is achieved to drawer unit spacing operation of movement in installing guide rail, convenient
Staff carries out relevant work, moreover, in signal amplification circuit, OP90 be a high-performance,
Micro Energy Lose operational amplifier, thus greatly reduce the power consumption of signal amplification circuit, and, OP90 also has
Low maladjustment voltage and the feature of high-gain, substantially increase the accuracy of the signal processing of signal amplification circuit,
Improve the reliability of regulator cubicle.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the Novel electrical cabinet for electrical power trans mission/distribution system of the present invention；
Fig. 2 is the structural representation of the Novel electrical cabinet for electrical power trans mission/distribution system of the present invention；
Fig. 3 is the structural representation of the cooling mechanism of the Novel electrical cabinet for electrical power trans mission/distribution system of the present invention；
Fig. 4 is the structural representation of the drawout cubicle unit of the Novel electrical cabinet for electrical power trans mission/distribution system of the present invention；
Fig. 5 is the structural representation of the drawout cubicle unit of the Novel electrical cabinet for electrical power trans mission/distribution system of the present invention；
Fig. 6 is the structural representation installing guide rail of the Novel electrical cabinet for electrical power trans mission/distribution system of the present invention；
Fig. 7 is the structural representation of the sliding unit of the Novel electrical cabinet for electrical power trans mission/distribution system of the present invention；
Fig. 8 is the structural representation of the position-limiting unit of the Novel electrical cabinet for electrical power trans mission/distribution system of the present invention；
Fig. 9 is the structural representation of the panel of the Novel electrical cabinet for electrical power trans mission/distribution system of the present invention；
The circuit theory diagrams of the signal amplification circuit of the Novel electrical cabinet for electrical power trans mission/distribution system of Figure 10 invention；
In figure: 1. cabinet, 2. relay indicating light, 3. switch, 4. drawout cubicle unit, 5. cooling mechanism, 6.
Housing, 7. screw, 8. drainage screen, 9. fan, 10. installation guide rail, 11. drawer boxes, 12. panels, 13.
Handle, 14. sliding units, 15. rotating shafts, 16. limited blocks, 17. guide-rail plates, 18. grooves, 19. runners,
20. position-limiting units, 21. shells, 22. beades, 23. springs, 24. pressure transducers, 25. display screens,
26. status indicator lamps, 27. control buttons, U1. operational amplifier, R1. the first resistance, R2. the second resistance,
R3. the 3rd resistance, RP1. adjustable resistance, C1. electric capacity.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification,
The basic structure of the present invention is described the most in a schematic way, and therefore it only shows the composition relevant with the present invention.
As shown in Fig. 1-Figure 10, a kind of Novel electrical cabinet for electrical power trans mission/distribution system, including cabinet 1, described
The front of cabinet 1 is provided with relay indicating light 2, switch 3 and some drawout cubicle unit 4, the side of described cabinet 1
Face is provided with cooling mechanism 5；
Described drawout cubicle unit 4 includes installing guide rail 10 and being arranged on the drawer unit installed in guide rail 10,
The vertical cross-section of described installation guide rail 10 be shaped as U-shaped, the lower section of described installation guide rail 10 is provided with level
The guide-rail plate 17 arranged；
Described drawer unit includes that drawer box 11, the panel 12 being arranged on drawer box 11 front and being arranged on is taken out
The mobile unit of drawer box 11 both sides, described mobile unit includes horizontally disposed rotating shaft 15 and sliding unit 14,
Described drawer box 11 is connected with sliding unit 14 by rotating shaft 15, and described sliding unit 14 is arranged on guide rail
The top of plate 17；
Described sliding unit 14 includes runner 19 and some position-limiting units 20, and described position-limiting unit 20 circumference is all
The even periphery being arranged on runner 19, described position-limiting unit includes shell 21, the vertical cross-section of described shell 21
Be shaped as U-shaped, the bottom of described shell 21 is fixed on runner 19, is provided with glass in described shell 21
Pearl 22, spring 23 and pressure transducer 24, described pressure transducer 24 is fixed on the bottom in shell 21,
Described pressure transducer 24 is connected with bead 21 by spring 23；
Being provided with signal amplification module in described drawout cubicle unit 4, described signal amplification module includes that signal amplifies
Circuit, described signal amplification circuit include operational amplifier U1, the first resistance R1, the second resistance R2, the 3rd
Resistance R3, adjustable resistance RP1 and electric capacity C1, the model of described operational amplifier U1 is OP90, described fortune
Calculating the power end external 5V DC voltage power supply of amplifier U1, the power end of described operational amplifier U1 passes through
Electric capacity C1 ground connection, the earth terminal ground connection of described operational amplifier U1, open for two of described operational amplifier U1
Pass arranges end, and the switch of one of them operational amplifier U1 arranges end by the first resistance R1, the second resistance
The series circuit of R2 and the 3rd resistance R3 composition arranges end and is connected with the switch of another operational amplifier U1,
The outfan of described operational amplifier U1 by adjustable resistance RP1 respectively with the second resistance R2 and the 3rd resistance
R3 connects, and the adjustable end of described adjustable resistance RP1 is connected with the second resistance R2 and the 3rd resistance R3 respectively.
As preferably, the installing/dismounting of cooling mechanism 5 for convenience, described cooling mechanism 5 include housing 6,
Drainage screen 8, fan 9 and some screws 7, described housing 6 generally circular in shape, described screw 7 is through outward
Frame 6 is fixed on cabinet 1 and circumference is evenly distributed on housing 6, and described drainage screen 8 and fan 9 are all provided with
Putting in housing 6, described fan 9 is arranged on the inner side of drainage screen 8.
As preferably, specify that drawer unit, the inner side of described installation guide rail 10 are provided with groove 18 for convenience,
Described groove 18 be shaped as semicircle.
As preferably, drawer unit inserts and installs in guide rail 10 for convenience, opening of described installation guide rail 10
Mouth-shaped is tubaeform.
As preferably, in order to fix the sliding trace of drawer unit, the top of described guide-rail plate 17 is near drawer
One end of box 11 is provided with limited block 16.
As preferably, show for convenience and operate, described panel 12 be provided with display screen 25, handle 13,
Some status indicator lamps 26 and some control buttons 27.
As preferably, in order to ensure good man-machine display interface, described display screen 25 is LCDs.
As preferably, install bottom guide rail 10 to prevent drawer box 11 from clashing into, in described installation guide rail 10
The bottom shape of side is semicircle.
When this regulator cubicle runs, when needing to open the drawout cubicle unit 14 specified, it is only necessary to pull on panel 12
Handle 13, under the effect of pulling force, drawer box 11 along direction of pull install guide rail 10 guide-rail plate 17
Upper movement, in moving process, is produced drawer box 11 by the position-limiting unit 20 on sliding unit 14 and makees
The resistance that power thrusts is contrary, thus slow down the movement of drawer box 11, play certain position-limiting action.In limit
When bit location 20 works, by the bead 22 in shell 21 by the spring 23 within extruding, make shell
The pressure transducer 24 of 21 inner bottom parts produces certain pressure data, can detect present drawer by pressure data
The displacement of box 11, moreover, after drawout cubicle 14 unit uses, pushes it into installation and leads
The inside of rail 10, in moving process, sliding unit 14 enters the groove 18 installed in guide rail 10, thus
It is fixed effect.Sliding unit 14 is in guide-rail plate 17 sliding process, by limited block 16 to drawer box
The slip of 11 carries out spacing, makes drawer box 11 move along the direction of guide-rail plate 17, further ensures drawer
What unit moved is steadily smoothed out.This is used for the Novel electrical cabinet of electrical power trans mission/distribution system by position-limiting unit 20
Pressure transducer 24 detect the pressure that spring 23 is produced by bead 22, thus detect turning of runner 19
Dynamic distance, and in order to control the displacement of drawer box 11, it is achieved to drawer unit in guide rail 10 is installed
The spacing operation of movement, facilitates staff to carry out relevant work.
In drawout cubicle unit 4, signal amplification module is utilized to be amplified input signal processing, thus side
Just regulator cubicle makees all kinds of calculation process.In signal amplification circuit, OP90 is a high-performance, Micro Energy Lose fortune
Calculate amplifier, thus greatly reduce the power consumption of signal amplification circuit, and, OP90 also has low imbalance electricity
Pressure and the feature of high-gain, substantially increase the accuracy of the signal processing of signal amplification circuit, improve electricity
The reliability of gas holder.
Compared with prior art, this is used for the Novel electrical cabinet of electrical power trans mission/distribution system by the pressure on position-limiting unit 20
Force transducer 24 detects the pressure that spring 23 is produced by bead 22, thus detect the rotation of runner 19 away from
From, and in order to control the displacement of drawer box 11, it is achieved drawer unit is moved in installing guide rail 10
Spacing operation, facilitate staff to carry out relevant work, moreover, in signal amplification circuit, OP90
It is a high-performance, Micro Energy Lose operational amplifier, thus greatly reduces the power consumption of signal amplification circuit, and
And, OP90 also has the feature of low maladjustment voltage and high-gain, substantially increases the signal of signal amplification circuit
The accuracy processed, improves the reliability of regulator cubicle.
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, related work
Personnel can carry out various change and amendment completely in the range of without departing from this invention technological thought.
The content that the technical scope of this invention is not limited in description, it is necessary to according to right
Determine its technical scope.
Claims (8)
1. the Novel electrical cabinet for electrical power trans mission/distribution system, it is characterised in that include cabinet (1), described
The front of cabinet (1) is provided with relay indicating light (2), switch (3) and some drawout cubicle unit (4), institute
The side stating cabinet (1) is provided with cooling mechanism (5)；
Described drawout cubicle unit (4) includes installing guide rail (10) and being arranged on taking out in installation guide rail (10)
Drawer unit, the vertical cross-section of described installation guide rail (10) be shaped as U-shaped, described installation guide rail (10)
Lower section be provided with horizontally disposed guide-rail plate (17)；
Described drawer unit include drawer box (11), the panel (12) being arranged on drawer box (11) front and
Being arranged on the mobile unit of drawer box (11) both sides, described mobile unit includes horizontally disposed rotating shaft (15)
With sliding unit (14), described drawer box (11) is connected with sliding unit (14) by rotating shaft (15),
Described sliding unit (14) is arranged on the top of guide-rail plate (17)；
Described sliding unit (14) includes runner (19) and some position-limiting units (20), described position-limiting unit
(20) circumference is uniformly arranged on the periphery of runner (19), and described position-limiting unit includes shell (21), described
The vertical cross-section of shell (21) be shaped as U-shaped, the bottom of described shell (21) is fixed on runner (19)
On, it is provided with bead (22), spring (23) and pressure transducer (24), institute in described shell (21)
Stating the bottom that pressure transducer (24) is fixed in shell (21), described pressure transducer (24) passes through
Spring (23) is connected with bead (21)；
Being provided with signal amplification module in described drawout cubicle unit (4), described signal amplification module includes that signal is put
Big circuit, described signal amplification circuit includes operational amplifier (U1), the first resistance (R1), the second resistance
(R2), the 3rd resistance (R3), adjustable resistance (RP1) and electric capacity (C1), described operational amplifier (U1)
Model be OP90, the power end external 5V DC voltage power supply of described operational amplifier (U1), described fortune
Calculate the power end of amplifier (U1) by electric capacity (C1) ground connection, the ground connection of described operational amplifier (U1)
End ground connection, two switches of described operational amplifier (U1) arrange end, one of them operational amplifier (U1)
Switch the string that consists of the first resistance (R1), the second resistance (R2) and the 3rd resistance (R3) of end is set
Connection circuit arranges end and is connected with the switch of another operational amplifier (U1), described operational amplifier (U1)
Outfan be connected with the second resistance (R2) and the 3rd resistance (R3) respectively by adjustable resistance (RP1),
The adjustable end of described adjustable resistance (RP1) is connected with the second resistance (R2) and the 3rd resistance (R3) respectively.
2. the Novel electrical cabinet for electrical power trans mission/distribution system as claimed in claim 1, it is characterised in that described
Cooling mechanism (5) includes housing (6), drainage screen (8), fan (9) and some screws (7), described
Housing (6) generally circular in shape, described screw (7) through housing (6) be fixed on cabinet (1) upper and
Circumference is evenly distributed on housing (6), and described drainage screen (8) and fan (9) are arranged at housing (6)
In, described fan (9) is arranged on the inner side of drainage screen (8).
3. the Novel electrical cabinet for electrical power trans mission/distribution system as claimed in claim 1, it is characterised in that described
Install guide rail (10) inner side be provided with groove (18), described groove (18) be shaped as semicircle.
4. the Novel electrical cabinet for electrical power trans mission/distribution system as claimed in claim 1, it is characterised in that described
The opening shape installing guide rail (10) is tubaeform.
5. the Novel electrical cabinet for electrical power trans mission/distribution system as claimed in claim 1, it is characterised in that described
The top of guide-rail plate (17) is provided with limited block (16) near one end of drawer box (11).
6. the Novel electrical cabinet for electrical power trans mission/distribution system as claimed in claim 1, it is characterised in that described
Panel (12) is provided with display screen (25), handle (13), some status indicator lamps (26) and some controls
Button processed (27).
7. the Novel electrical cabinet for electrical power trans mission/distribution system as claimed in claim 6, it is characterised in that described
Display screen (25) is LCDs.
8. the Novel electrical cabinet for electrical power trans mission/distribution system as claimed in claim 6, it is characterised in that described
The bottom shape installing guide rail (10) inner side is semicircle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610474593.4A CN105977853B (en) | 2016-06-23 | 2016-06-23 | A kind of Novel electrical cabinet for electrical power trans mission/distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610474593.4A CN105977853B (en) | 2016-06-23 | 2016-06-23 | A kind of Novel electrical cabinet for electrical power trans mission/distribution system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105977853A true CN105977853A (en) | 2016-09-28 |
| CN105977853B CN105977853B (en) | 2018-08-28 |
Family
ID=57019813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610474593.4A Active CN105977853B (en) | 2016-06-23 | 2016-06-23 | A kind of Novel electrical cabinet for electrical power trans mission/distribution system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105977853B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107510604A (en) * | 2017-07-19 | 2017-12-26 | 深圳市贝优通新能源技术开发有限公司 | A kind of intelligent medical case that can realize Remote |
| CN111987633A (en) * | 2020-07-14 | 2020-11-24 | 安徽楚江高新电材有限公司 | GCS drawer type switch cabinet |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102908138A (en) * | 2012-11-14 | 2013-02-06 | 河南华南医电科技有限公司 | Fetus electrocardio amplifying circuit based on AD620 and OP90 |
| CN204538545U (en) * | 2015-04-29 | 2015-08-05 | 江苏中自电气技术有限公司 | With the MNS drawer of position limiting structure |
| CN204519861U (en) * | 2015-04-10 | 2015-08-05 | 王爱萍 | A kind of automatic flick type file cabinet |
| CN205282948U (en) * | 2016-01-08 | 2016-06-01 | 陈煌辉 | Small -size drawer type low voltage distribution box |
-
2016
- 2016-06-23 CN CN201610474593.4A patent/CN105977853B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102908138A (en) * | 2012-11-14 | 2013-02-06 | 河南华南医电科技有限公司 | Fetus electrocardio amplifying circuit based on AD620 and OP90 |
| CN204519861U (en) * | 2015-04-10 | 2015-08-05 | 王爱萍 | A kind of automatic flick type file cabinet |
| CN204538545U (en) * | 2015-04-29 | 2015-08-05 | 江苏中自电气技术有限公司 | With the MNS drawer of position limiting structure |
| CN205282948U (en) * | 2016-01-08 | 2016-06-01 | 陈煌辉 | Small -size drawer type low voltage distribution box |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107510604A (en) * | 2017-07-19 | 2017-12-26 | 深圳市贝优通新能源技术开发有限公司 | A kind of intelligent medical case that can realize Remote |
| CN111987633A (en) * | 2020-07-14 | 2020-11-24 | 安徽楚江高新电材有限公司 | GCS drawer type switch cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105977853B (en) | 2018-08-28 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180720 Address after: 432000 16 Hao long road, Xiaonan Economic Development Zone, Xiaogan, Hubei Applicant after: Xiaogan Xianyuan Electric Power Co., Ltd. Address before: 510000 Xinyi Road, Liwan District, Guangzhou, Guangdong Province, No. 24 Applicant before: Li Yusheng |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |