CN105977853B - A kind of Novel electrical cabinet for electrical power trans mission/distribution system - Google Patents
A kind of Novel electrical cabinet for electrical power trans mission/distribution system Download PDFInfo
- Publication number
- CN105977853B CN105977853B CN201610474593.4A CN201610474593A CN105977853B CN 105977853 B CN105977853 B CN 105977853B CN 201610474593 A CN201610474593 A CN 201610474593A CN 105977853 B CN105977853 B CN 105977853B
- Authority
- CN
- China
- Prior art keywords
- cabinet
- distribution system
- trans mission
- unit
- operational amplifier
- 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.)
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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
- 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
Abstract
The present invention relates to a kind of Novel electrical cabinets for electrical power trans mission/distribution system,Including cabinet,The front of the cabinet is equipped with work light,Switch and several drawout cubicle units,The side of the cabinet is equipped with cooling mechanism,The Novel electrical cabinet for being used for electrical power trans mission/distribution system detects the pressure that bead generates spring by the pressure sensor on position-limiting unit,To detect the rotation distance of runner,And to control the displacement distance of drawer box,Realize that the limit moved in installation guide rail to drawer unit operates,Staff is facilitated to carry out relevant work,Moreover,In signal amplification circuit,OP90 is a high-performance,Micro energy lose operational amplifier,Thus greatly reduce the power consumption of signal amplification circuit,And,OP90 also has the characteristics that low maladjustment voltage and high-gain,Substantially increase the accuracy of the signal processing of signal amplification circuit,Improve the reliability of electrical cabinet.
Description
Technical field
The present invention relates to a kind of Novel electrical cabinets for electrical power trans mission/distribution system.
Background technology
Electrical cabinet is that switchgear, measuring instrumentss, protection electric appliance and ancillary equipment are assembled in envelope by electrical wiring requirement
Close or semiclosed metal safe or screen width on, constitute low-voltage distribution equipment, main effect is to be assigned to electric energy respectively with electric control
A load position, and the power-off protection in short circuit, overload and electric leakage.Electrical cabinet is widely used to be mainly used for chemical industry row
Industry, environmental protection industry (epi), electric system, metallurgical system, industry, nuclear power industry, fire-fighting safety system, transportation industry etc..
In order to realize that multi-channel control acts on, each control area is integrated into individually by the mode of electrical cabinet generally use drawer
In drawout cubicle, to reduce space.But in operation, each drawer unit on electrical cabinet is generally deficient of accordingly
Limit measure often says that drawer is fully open when operating personnel being caused to move drawer, and under normal conditions, in order to easy to operate,
Movable part drawer is only needed, moreover, in electrical cabinet, needs the various signals by access to be amplified test, but usually
Not only power consumption is big for signal amplification circuit, but also precision is low, to reduce the practical value of electrical cabinet.
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 transmission and distribution
The Novel electrical cabinet of system.
The technical solution adopted by the present invention to solve the technical problems is：It is a kind of to be used for the novel electrical of electrical power trans mission/distribution system
The front of cabinet, including cabinet, the cabinet is equipped with work light, switch and several drawout cubicle units, the side of the cabinet
Equipped with cooling mechanism；
The drawout cubicle unit includes the drawer unit installed guide rail and be arranged in installation guide rail, the installation guide rail
The shape of vertical cross-section is U-shaped, and the lower section of the installation guide rail is equipped with horizontally disposed guide-rail plate；
The drawer unit includes drawer box, is arranged in drawer box frontal panel and the movement in drawer box both sides is arranged
Unit, the mobile unit include horizontally disposed shaft and sliding unit, and the drawer box is connected by shaft and sliding unit
It connects, the sliding unit is arranged in the top of guide-rail plate；
The sliding unit includes runner and several position-limiting units, and the position-limiting unit is circumferentially uniformly arranged on the outer of runner
Week, the position-limiting unit include shell, and the shape of the vertical cross-section of the shell is U-shaped, and the bottom end of the shell, which is fixed on, to be turned
On wheel, bead, spring and pressure sensor are equipped in the shell, the pressure sensor fixes bottom end inside the shell,
The pressure sensor is connect by spring with bead；
Signal amplification module is equipped in the drawout cubicle unit, the signal amplification module includes signal amplification circuit, institute
It includes operational amplifier, first resistor, second resistance, 3rd resistor, adjustable resistance and capacitance, the fortune to state signal amplification circuit
Calculate the model OP90 of amplifier, the external 5V DC voltage power supplies of power end of the operational amplifier, the operational amplifier
Power end pass through capacity earth, the ground terminal ground connection of the operational amplifier, two of operational amplifier switch settings
The series electrical that end is made up of first resistor, second resistance and 3rd resistor is arranged in the switch at end, one of operational amplifier
The switch setting end of road and another operational amplifier is connect, the output end of the operational amplifier by adjustable resistance respectively with
Second resistance is connected with 3rd resistor, and the adjustable end of the adjustable resistance is connect with second resistance and 3rd resistor respectively.
Preferably, in order to facilitate the installing and dismounting of cooling mechanism, the cooling mechanism includes outline border, filter screen, fan
Shape with several screws, the outline border is circle, and the screw passes through outline border to fix on the cabinet and is circumferentially evenly distributed on
On outline border, the filter screen and fan are arranged in outline border, and the fan is arranged in the inside of filter screen.
Preferably, regulation drawer unit, the inside of the installation guide rail are equipped with groove, the shape of the groove for convenience
Shape is semicircle.
Preferably, drawer unit is inserted into installation guide rail for convenience, the opening shape of the installation guide rail is loudspeaker
Shape.
Preferably, in order to fix the sliding trace of drawer unit, the top of the guide-rail plate is close to one end of drawer box
Equipped with limited block.
Preferably, showing and operating for convenience, the panel is equipped with display screen, handle, several status indicator lamps
With several control buttons.
Preferably, in order to ensure that good man-machine display interface, the display screen are liquid crystal display.
Preferably, drawer box hits installation guide rail bottom in order to prevent, the bottom shape on the inside of the installation guide rail is
It is semicircle.
The invention has the advantages that the Novel electrical cabinet for being used for electrical power trans mission/distribution system is passed by the pressure on position-limiting unit
The pressure that sensor detection bead generates spring, to detect the rotation distance of runner, and to control the movement of drawer box
Distance realizes that the limit moved in installation guide rail to drawer unit operates, facilitates staff to carry out relevant work, not only such as
This, in signal amplification circuit, OP90 is a high-performance, micro energy lose operational amplifier, thus greatly reduces signal amplification
The power consumption of circuit substantially increases the letter of signal amplification circuit moreover, OP90 also has the characteristics that low maladjustment voltage and high-gain
Number processing accuracy, improve the reliability of electrical cabinet.
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 Novel electrical cabinet for electrical power trans mission/distribution system of the present invention；
Fig. 2 is the structural schematic diagram of the Novel electrical cabinet for electrical power trans mission/distribution system of the present invention；
Fig. 3 is the structural schematic diagram 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 schematic diagram 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 schematic diagram 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 schematic diagram of the installation guide rail of the Novel electrical cabinet for electrical power trans mission/distribution system of the present invention；
Fig. 7 is the structural schematic diagram 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 schematic diagram 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 schematic diagram of the panel of the Novel electrical cabinet for electrical power trans mission/distribution system of the present invention；
The circuit diagram of the signal amplification circuit of the Novel electrical cabinet for electrical power trans mission/distribution system of Figure 10 inventions；
In figure：1. cabinet, 2. work lights, 3. switches, 4. drawout cubicle units, 5. cooling mechanisms, 6. outline borders, 7. spiral shells
Silk, 8. filter screens, 9. fans, 10. installation guide rails, 11. drawer boxes, 12. panels, 13. handles, 14. sliding units, 15. shafts,
16. limited block, 17. guide-rail plates, 18. grooves, 19. runners, 20. position-limiting units, 21. shells, 22. beades, 23. springs, 24.
Pressure sensor, 25. display screens, 26. status indicator lamps, 27. control buttons, U1. operational amplifiers, R1. first resistors, R2.
Second resistance, R3. 3rd resistors, RP1. adjustable resistances, C1. capacitances.
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 Novel electrical cabinet for electrical power trans mission/distribution system, including cabinet 1, the cabinet 1 is just
Face is equipped with work light 2, switch 3 and several drawout cubicle units 4, and the side of the cabinet 1 is equipped with cooling mechanism 5；
The drawout cubicle unit 4 includes the drawer unit installed guide rail 10 and be arranged in installation guide rail 10, the installation
The shape of the vertical cross-section of guide rail 10 is U-shaped, and the lower section of the installation guide rail 10 is equipped with horizontally disposed guide-rail plate 17；
The drawer unit include drawer box 11, setting in 11 frontal panel 12 of drawer box and setting in 11 liang of drawer box
The mobile unit of side, the mobile unit include horizontally disposed shaft 15 and sliding unit 14, and the drawer box 11 is by turning
Axis 15 is connect with sliding unit 14, and the sliding unit 14 is arranged in the top of guide-rail plate 17；
The sliding unit 14 includes runner 19 and several position-limiting units 20, and the position-limiting unit 20 is circumferential to be uniformly arranged on
The periphery of runner 19, the position-limiting unit include shell 21, and the shape of the vertical cross-section of the shell 21 is U-shaped, the shell
21 bottom end is fixed on runner 19, and bead 22, spring 23 and pressure sensor 24, the pressure are equipped in the shell 21
Sensor 24 is fixed on the bottom end in shell 21, and the pressure sensor 24 is connect by spring 23 with bead 21；
Signal amplification module is equipped in the drawout cubicle unit 4, the signal amplification module includes signal amplification circuit, institute
State signal amplification circuit include operational amplifier U1, first resistor R1, second resistance R2,3rd resistor R3, adjustable resistance RP1 and
The external 5V direct currents piezoelectricity of power end of the model OP90, the operational amplifier U1 of capacitance C1, the operational amplifier U1
The power end in source, the operational amplifier U1 is grounded by capacitance C1, the ground terminal ground connection of the operational amplifier U1, the fortune
Calculate two switch setting ends of amplifier U1, the switch setting end of one of operational amplifier U1 passes through first resistor R1, the
The series circuit of two resistance R2 and 3rd resistor R3 compositions is connect with the switch of another operational amplifier U1 setting end, the fortune
The output end for calculating amplifier U1 is connect with second resistance R2 and 3rd resistor R3 respectively by adjustable resistance RP1, the adjustable electric
The adjustable end of resistance RP1 is connect with second resistance R2 and 3rd resistor R3 respectively.
Preferably, for convenience cooling mechanism 5 installing and dismounting, the cooling mechanism 5 include outline border 6, filter screen 8,
The shape of fan 9 and several screws 7, the outline border 6 is circle, and the screw 7 is fixed on cabinet 1 across outline border 6 and circumferential direction
It is evenly distributed on outline border 6, the filter screen 8 and fan 9 are arranged in outline border 6, and the fan 9 is arranged in filter screen 8
Inside.
Preferably, regulation drawer unit, the inside of the installation guide rail 10 are equipped with groove 18, the groove for convenience
18 shape is semicircle.
Preferably, drawer unit is inserted into installation guide rail 10 for convenience, the opening shape of the installation guide rail 10 is
It is tubaeform.
Preferably, in order to fix the sliding trace of drawer unit, the top of the guide-rail plate 17 is close to drawer box 11
One end is equipped with limited block 16.
Preferably, showing and operating for convenience, the panel 12 is equipped with display screen 25, handle 13, several states
Indicator light 26 and several control buttons 27.
Preferably, in order to ensure that good man-machine display interface, the display screen 25 are liquid crystal display.
Preferably, drawer box 11 hits 10 bottom of installation guide rail, the bottom of 10 inside of installation guide rail in order to prevent
Shape is semicircle.
When the electrical cabinet is run, when needing to open specified drawout cubicle unit 4, it is only necessary to the handle 13 on panel 12 is pulled,
Under the action of pulling force, drawer box 11 is moved along direction of pull on the guide-rail plate 17 of installation guide rail 10, in moving process, by
Position-limiting unit 20 on sliding unit 14 generates drawer box 11 resistance opposite with force direction, to slow down drawer box 11
Movement, play certain position-limiting action.It is internal by squeezing by the bead 22 in shell 21 when position-limiting unit 20 works
Spring 23, so that the pressure sensor 24 of bottom in shell 21 is generated certain pressure data, work as by the way that pressure data is detectable
The displacement distance of preceding drawer box 11 moreover after 14 unit use of drawout cubicle, pushes it into the interior of installation guide rail 10
Portion, in moving process, sliding unit 14 enters the groove 18 in installation guide rail 10, to which effect be fixed.Sliding unit
14 in 17 sliding process of guide-rail plate, is limited to the sliding of drawer box 11 by limited block 16, makes drawer box 11 along guide rail
The direction of plate 17 is moved, and is further ensured the steady of drawer unit movement and is smoothed out.This is novel for electrical power trans mission/distribution system
Electrical cabinet detects the pressure that bead 22 generates spring 23 by the pressure sensor 24 on position-limiting unit 20, to which detection turns
The rotation distance of wheel 19, and to control the displacement distance of drawer box 11, realize and drawer unit is moved in installation guide rail 10
Limit operation, facilitate staff carry out relevant work.
In drawout cubicle unit 4, processing is amplified to input signal using signal amplification module, to facilitate electrical cabinet
Make all kinds of calculation process.In signal amplification circuit, OP90 is a high-performance, micro energy lose operational amplifier, to drop significantly
The low power consumption of signal amplification circuit substantially increases signal moreover, OP90 also has the characteristics that low maladjustment voltage and high-gain
The accuracy of the signal processing of amplifying circuit improves the reliability of electrical cabinet.
Compared with prior art, which passes through the pressure sensing on position-limiting unit 20
Device 24 detects the pressure that bead 22 generates spring 23, to detect the rotation distance of runner 19, and to control drawer box
11 displacement distance realizes that the limit moved in installation guide rail 10 to drawer unit operates, facilitates staff to carry out corresponding
Work, moreover, in signal amplification circuit, OP90 is a high-performance, micro energy lose operational amplifier, to substantially reduce
The power consumption of signal amplification circuit moreover, OP90 also has the characteristics that low maladjustment voltage and high-gain substantially increases signal and puts
The accuracy of the signal processing of big circuit, improves the reliability of electrical cabinet.
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 Novel electrical cabinet for electrical power trans mission/distribution system, which is characterized in that including cabinet (1), the front of the cabinet (1)
Equipped with work light (2), switch (3) and several drawout cubicle units (4), the side of the cabinet (1) is equipped with cooling mechanism
(5)；
The drawout cubicle unit (4) includes the drawer unit of installation guide rail (10) and setting in installation guide rail (10), the peace
The shape for filling the vertical cross-section of guide rail (10) is U-shaped, and the lower section of the installation guide rail (10) is equipped with horizontally disposed guide-rail plate
(17)；
The drawer unit includes drawer box (11), setting in drawer box (11) frontal panel (12) and is arranged in drawer box
(11) mobile unit of both sides, the mobile unit include horizontally disposed shaft (15) and sliding unit (14), the drawer
Box (11) is connect by shaft (15) with sliding unit (14), top of sliding unit (14) setting in guide-rail plate (17)；
The sliding unit (14) includes runner (19) and several position-limiting units (20), and the position-limiting unit (20) circumferentially uniformly sets
The periphery in runner (19) is set, the position-limiting unit includes shell (21), and the shape of the vertical cross-section of the shell (21) is U
The bottom end of shape, the shell (21) is fixed on runner (19), be equipped in the shell (21) bead (22), spring (23) and
Pressure sensor (24), the pressure sensor (24) are fixed on the bottom end in shell (21), and the pressure sensor (24) is logical
Spring (23) is crossed to connect with bead (21)；
Signal amplification module is equipped in the drawout cubicle unit (4), the signal amplification module includes signal amplification circuit, described
Signal amplification circuit includes operational amplifier (U1), first resistor (R1), second resistance (R2), 3rd resistor (R3), adjustable electric
Hinder (RP1) and capacitance (C1), the model OP90 of the operational amplifier (U1), outside the power end of the operational amplifier (U1)
5V DC voltage power supplies are connect, the power end of the operational amplifier (U1) is grounded by capacitance (C1), the operational amplifier
(U1) ground terminal ground connection, two switch setting ends of the operational amplifier (U1), one of operational amplifier (U1)
The series circuit that end is made up of first resistor (R1), second resistance (R2) and 3rd resistor (R3) is arranged in switch and another is transported
The switch setting end for calculating amplifier (U1) connects, and the output end of the operational amplifier (U1) passes through adjustable resistance (RP1) difference
Connect with second resistance (R2) and 3rd resistor (R3), the adjustable end of the adjustable resistance (RP1) respectively with second resistance (R2)
It is connected with 3rd resistor (R3).
2. being used for the Novel electrical cabinet of electrical power trans mission/distribution system as described in claim 1, which is characterized in that the cooling mechanism (5)
Including outline border (6), filter screen (8), fan (9) and several screws (7), the shape of the outline border (6) is circle, the screw
(7) it is fixed on cabinet (1) and is circumferentially evenly distributed on outline border (6), the filter screen (8) and fan (9) across outline border (6)
It is arranged in outline border (6), inside of fan (9) setting in filter screen (8).
3. being used for the Novel electrical cabinet of electrical power trans mission/distribution system as described in claim 1, which is characterized in that the installation guide rail (10)
Inside be equipped with groove (18), the shape of the groove (18) is semicircle.
4. being used for the Novel electrical cabinet of electrical power trans mission/distribution system as described in claim 1, which is characterized in that the installation guide rail (10)
Opening shape be it is tubaeform.
5. being used for the Novel electrical cabinet of electrical power trans mission/distribution system as described in claim 1, which is characterized in that the guide-rail plate (17)
Top is equipped with limited block (16) close to one end of drawer box (11).
6. being used for the Novel electrical cabinet of electrical power trans mission/distribution system as described in claim 1, which is characterized in that set on the panel (12)
There are display screen (25), handle (13), several status indicator lamps (26) and several control buttons (27).
7. being used for the Novel electrical cabinet of electrical power trans mission/distribution system as claimed in claim 6, which is characterized in that the display screen (25) is
Liquid crystal display.
8. being used for the Novel electrical cabinet of electrical power trans mission/distribution system as claimed in claim 6, which is characterized in that the installation guide rail (10)
The bottom shape of inside 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 CN105977853A (en) | 2016-09-28 |
| CN105977853B true 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) |
Families Citing this family (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 |
| CN111987633B (en) * | 2020-07-14 | 2022-04-26 | 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 |
| 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 |
-
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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105977853A (en) | 2016-09-28 |
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| 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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