CN113300244A - Protection device for protecting various microcomputers - Google Patents
Protection device for protecting various microcomputers Download PDFInfo
- Publication number
- CN113300244A CN113300244A CN202110661083.9A CN202110661083A CN113300244A CN 113300244 A CN113300244 A CN 113300244A CN 202110661083 A CN202110661083 A CN 202110661083A CN 113300244 A CN113300244 A CN 113300244A
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- China
- Prior art keywords
- protection
- microcomputer
- microcomputer protection
- protection device
- power supply
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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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- 230000004224 protection Effects 0.000 title claims abstract description 113
- 239000011229 interlayer Substances 0.000 claims description 20
- 238000004146 energy storage Methods 0.000 claims description 11
- 238000005259 measurement Methods 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 9
- 238000002474 experimental method Methods 0.000 abstract description 8
- 238000013024 troubleshooting Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Classifications
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- 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
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
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- 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
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention relates to the technical field of microcomputer protection, in particular to a protection device for protecting various microcomputers, which is a vertical cabinet and mainly comprises a front cabinet panel and a rear cabinet panel, wherein microcomputer protection, power supply air switch and terminal strips are arranged in the vertical cabinet in a layered and partitioned manner; under the condition of multi-type, multi-type and most-quantity microcomputer protection, the invention ensures the safety of personnel, improves the efficiency of replacing the micro-protection device and improves the capability of testing and troubleshooting in the process of replacing the microcomputer protection, performing the protection experiment, performing the protection on-off fixed value and simulating various secondary faults.
Description
Technical Field
The invention relates to the technical field of microcomputer protection, in particular to a protection device for protecting various microcomputers.
Background
The microcomputer protection device is used as the core of common high-voltage protection, is used for overcurrent protection, quick-break protection and low-voltage protection of a high-voltage cabinet, and comprises the following steps in process interlock protection: low oil pressure, frequency conversion trouble, DCS general trouble etc. if in the body protection: light gas, heavy gas, high temperature, overtemperature protection, etc.; and (4) setting a value according to the use load application and the actual situation and carrying out protection on and off. The microcomputer protection device is an isolated spare part when leaving factory, the wiring of the micro-protection equipment of different manufacturers is different, and the test and the verification of the single wiring are very complicated and unsafe; the microcomputer protection device is replaced and the setting value is set for a long time due to infrequent operation, wrong setting values or setting values cannot be set easily, the protection function cannot be realized, problems of a switching-on and switching-off loop of the high-voltage cabinet micro-protection device cannot be found, and the like; especially under the condition of multiple types, types and quantities, the equipment maintenance task is heavy, the microcomputer protection device is replaced, the protection switching constant value is carried out, the protection experiment is carried out, various secondary faults are simulated, continuous rewiring is needed, the wiring and the experiment are complex and complicated, the wiring and the experiment are not in accordance with the standard, the personal safety cannot be guaranteed, the efficiency of replacing the micro protection device is low, the test quality is not high, and the like.
Disclosure of Invention
The invention aims to solve the problems of replacing microcomputer protection, performing protection experiments, performing protection on a fixed value and simulating various secondary faults under the condition of multi-type, multi-type and multi-quantity microcomputer protection, ensure personnel safety, improve the efficiency of replacing a micro-protection device and improve the capability of testing and troubleshooting fault quality.
In order to achieve the purpose, the invention provides the following technical scheme:
a protection device for multiple types of microcomputer protection, comprising: the protection device is a vertical cabinet, mainly comprises a front cabinet panel and a rear cabinet panel, and is internally layered and partitioned with a microcomputer protection, a power supply air switch and a terminal strip.
The technical scheme of the invention is further improved as follows: the upper part of the front cabinet panel is fixed with a plurality of microcomputers for protection, the middle part is provided with a common closing switch, a closing position indicator light, a separating switch and a separating position indicator light in a switch and indicator light area, and the lower part is provided with a fixed vacuum circuit breaker.
The technical scheme of the invention is further improved as follows: the two sides of the edge of the rear cabinet panel, which avoids the microcomputer protection arranged on the front cabinet panel, are respectively provided with a left interlayer and a right interlayer.
The technical scheme of the invention is further improved as follows: the left interlayer is mainly provided with a main power supply air switch, a protection device power supply air switch for microcomputer protection, a main control power supply air switch, an energy storage power supply air switch, a PT power supply air switch for microcomputer protection, a measurement and protection wiring terminal row for microcomputer protection, a protection device power supply and a PT butt joint terminal row for microcomputer protection which are sequentially installed from top to bottom.
The technical scheme of the invention is further improved as follows: the right interlayer is mainly provided with an on-off circuit, an on-off circuit indicator light, an energy storage circuit terminal row, a microcomputer protection on-off terminal and a microcomputer protection on-off terminal which are sequentially arranged from top to bottom.
The technical scheme of the invention is further improved as follows: the left interlayer and the right interlayer are respectively provided with a guide rail.
Compared with the prior art, the protection device for protecting various microcomputers has the following beneficial effects:
1. the invention provides a protection device for protecting various microcomputers, which can be simultaneously provided with the microcomputer protection of different manufacturers, has high replacement efficiency, strong functions, convenient movement and standard operation of personnel, and can work only by connecting a 220V alternating current power supply.
2. The invention provides a protection device for various microcomputer protections, which is convenient for test debugging and has a terminal row specially used for debugging, each microcomputer protection has a corresponding terminal, and the protection device can not only raise current but also raise voltage, but also has a special input terminal, simulates various input quantity fault alarm signals and improves the capability of experiment and troubleshooting fault quality.
3. The invention provides a protection device for protecting various microcomputers, which shares a fixed breaker and a switching-on/off loop, thereby saving wire and space; and (3) simulating test debugging and simulating various high-voltage secondary faults, and enhancing the maintenance capability of maintenance personnel and ensuring the safety of the maintenance personnel.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a protection device for multiple types of microcomputer protection according to the present invention.
The labels in the figure are: 1-microcomputer protection; 2-switch and indicator light zones; 3-fixed vacuum circuit breaker; 4-a left interlayer; 5-right interlayer.
Detailed Description
The technical solution of the present invention will be clearly and completely described by the following detailed description. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the protection device is a vertical cabinet, mainly comprising a front cabinet panel and a rear cabinet panel, wherein the interior of the vertical cabinet is layered and partitioned to be provided with a microcomputer protection (1), a power supply air switch and a terminal strip; the upper part of the front cabinet panel is fixed with a plurality of microcomputer protections (1), the middle part is a switch and indicator light area (2) which is provided with a common closing switch, a closing indicator light, a separating switch and a separating indicator light, and the lower part is provided with a fixed vacuum circuit breaker (3); the rear cabinet panel avoids the two sides of the edge of the microcomputer protection (1) arranged on the front cabinet panel and is respectively provided with a left interlayer (4) and a right interlayer (5); the left interlayer (4) and the right interlayer (5) are respectively provided with a guide rail; the left interlayer (4) is mainly provided with a main power supply air switch, a microcomputer protection (1) protection device power supply air switch, a main control power supply air switch, an energy storage power supply air switch, a microcomputer protection (1) PT power supply air switch, a microcomputer protection (1) measurement and protection wiring terminal row, a protection device power supply and a microcomputer protection (1) PT butt joint terminal row which are sequentially installed from top to bottom; the right interlayer (5) is mainly provided with an on-off circuit, an on-off circuit indicator light, an energy storage circuit terminal row, a microcomputer protection (1) open-in terminal and a microcomputer protection (1) open-out terminal which are sequentially arranged from top to bottom. The device makes change the little guarantor device, carry out the protection experiment, protect and throw on and retreat definite value and simulate various secondary faults under multiple type, polymorphic type, the condition of majority, solves personnel's safety, improves and changes little guarantor device efficiency, improves the ability of experiment and troubleshooting fault quality.
The device only needs to connect a 220V alternating current power supply, the power supply, a control power supply and an energy storage power supply are converted into direct current 220V through a power supply conversion device, a power supply, the control power supply and the energy storage power supply are provided for each microcomputer protection (1), a wiring port corresponding to a terminal of the microcomputer protection (1) and a terminal of a fixed trolley circuit breaker (4) is arranged on the whole cabinet, the whole switching-on/off loop, an indicator light loop and an energy storage loop are all shared, after all wires are connected, the circuit breaker is in a switching-off position, after all power supplies are switched on and off, all microcomputer protection (1) start to operate, a switching-off position light of a protection device of the microcomputer protection (1) is turned on, a switching-off position indicator light is turned on, an energy storage knob is rotated, after energy is stored, an energy storage light is turned on, a switching-on button is pressed, a switching-off button is pressed, connecting a corresponding connection wire of an instrument to a PT open upper port, closing the corresponding PT open, adjusting instrument parameters, boosting to check whether a micro-protection voltage value is consistent with the instrument, performing voltage related tests such as voltage-loss tripping, low-voltage tripping, re-voltage locking according to the voltage protection of a microcomputer protection (1) protection device, debugging current, connecting an instrument wire according to requirements, correspondingly inserting the instrument wire to a current terminal row, boosting the current, checking whether the micro-protection display current value is consistent with the instrument, making a current measurement loop, then performing current protection, performing various related tests such as quick breaking, overcurrent and the like, setting a fixed value, throwing a pressing plate, closing a circuit breaker, simulating faults such as boosting breaking or overcurrent and the like, checking whether the circuit breaker is tripped or not, checking whether the protection device of the microcomputer protection (1) is correctly opened or not, and simulating various open fault signals from the open terminal row according to needs, such as light gas alarm, heavy gas trip, and process interlock trip; the terminal can be tested by the microcomputer protection (1), and when the microcomputer protection (1) loses power, gives an alarm or has a fault, a universal meter is used for checking whether the corresponding position of the terminal wiring is connected; most tests of the microcomputer protection (1) can be simulated by the protection device, and some high-voltage secondary related fault problems which are frequently encountered can be manufactured and simulated, so that the problems can be quickly searched and processed.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the appended claims.
Claims (6)
1. A protection device for multiple types of microcomputer protection, comprising: the protection device is a vertical cabinet, mainly comprises a front cabinet panel and a rear cabinet panel, and is internally provided with a microcomputer protection (1), a power supply air switch and a terminal strip in a layered and partitioned manner.
2. The protection device for multiple types of microcomputer protection according to claim 1, wherein: the upper part of the front cabinet panel is fixed with a plurality of microcomputer protection devices (1), the middle part is a switch and indicator light area (2) which is provided with a common closing switch, a closing indicator light, a separating switch and a separating indicator light, and the lower part is provided with a fixed vacuum circuit breaker (3).
3. The protection device for multiple types of microcomputer protection according to claim 1, wherein: the rear cabinet panel avoids the two sides of the edge of the microcomputer protection (1) arranged on the front cabinet panel and is respectively provided with a left interlayer (4) and a right interlayer (5).
4. A protection device for multiple types of microcomputer protection according to claim 3, characterized in that: the left interlayer (4) is mainly provided with a main power supply air switch, a protection device power supply air switch of the microcomputer protection (1), a main control power supply air switch, an energy storage power supply air switch, a PT power supply air switch of the microcomputer protection (1), a measurement and protection wiring terminal row of the microcomputer protection (1), a protection device power supply and a PT butt joint terminal row of the microcomputer protection (1) which are sequentially installed from top to bottom.
5. A protection device for multiple types of microcomputer protection according to claim 3, characterized in that: the right interlayer (5) is mainly provided with an on-off circuit, an on-off circuit indicator light, an energy storage circuit terminal row, a microcomputer protection (1) open-in terminal and a microcomputer protection (1) open-out terminal which are sequentially arranged from top to bottom.
6. A protection device for multiple types of microcomputer protection according to claim 3, characterized in that: and the left interlayer (4) and the right interlayer (5) are respectively provided with a guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110661083.9A CN113300244A (en) | 2021-06-15 | 2021-06-15 | Protection device for protecting various microcomputers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110661083.9A CN113300244A (en) | 2021-06-15 | 2021-06-15 | Protection device for protecting various microcomputers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113300244A true CN113300244A (en) | 2021-08-24 |
Family
ID=77328267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110661083.9A Pending CN113300244A (en) | 2021-06-15 | 2021-06-15 | Protection device for protecting various microcomputers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113300244A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1558529A (en) * | 2004-02-12 | 2004-12-29 | 上海意中科技发展有限公司 | Microcomputer protection and electric power monitoring system |
| CN201327996Y (en) * | 2008-11-14 | 2009-10-14 | 北京德威特电力***自动化有限公司 | Microcomputer protection device and system |
| CN202362965U (en) * | 2011-12-15 | 2012-08-01 | 江苏省电力公司金湖县供电公司 | Microcomputer protection universal simulation device |
| KR101577969B1 (en) * | 2015-09-21 | 2015-12-16 | 진정화 | Multifunctional protective arc distribution box and its operation method |
| CN204945329U (en) * | 2015-09-25 | 2016-01-06 | 中国长江电力股份有限公司 | A kind of microcomputer protective relay device experiment cabinet |
| CN106711826A (en) * | 2017-01-19 | 2017-05-24 | 珠海瑞捷电气股份有限公司 | Removable circuit breaker switch cabinet and wiring-omitting method thereof |
| CN107993540A (en) * | 2018-01-15 | 2018-05-04 | 国网北京市电力公司 | A kind of microcomputer protective relay teaching experiment system |
| CN208707286U (en) * | 2018-08-21 | 2019-04-05 | 广东新兴铸管有限公司 | A kind of air compressor machine high voltage power supply cabinet automatically cutting off lock signal |
| US20200052481A1 (en) * | 2018-08-08 | 2020-02-13 | Brand Shared Services, Llc | Power distribution and protection cabinet |
| CN111478449A (en) * | 2020-05-29 | 2020-07-31 | 珠海瑞捷电气股份有限公司 | Wiring-free microcomputer protection measurement and control device and high-voltage switch cabinet |
-
2021
- 2021-06-15 CN CN202110661083.9A patent/CN113300244A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1558529A (en) * | 2004-02-12 | 2004-12-29 | 上海意中科技发展有限公司 | Microcomputer protection and electric power monitoring system |
| CN201327996Y (en) * | 2008-11-14 | 2009-10-14 | 北京德威特电力***自动化有限公司 | Microcomputer protection device and system |
| CN202362965U (en) * | 2011-12-15 | 2012-08-01 | 江苏省电力公司金湖县供电公司 | Microcomputer protection universal simulation device |
| KR101577969B1 (en) * | 2015-09-21 | 2015-12-16 | 진정화 | Multifunctional protective arc distribution box and its operation method |
| CN204945329U (en) * | 2015-09-25 | 2016-01-06 | 中国长江电力股份有限公司 | A kind of microcomputer protective relay device experiment cabinet |
| CN106711826A (en) * | 2017-01-19 | 2017-05-24 | 珠海瑞捷电气股份有限公司 | Removable circuit breaker switch cabinet and wiring-omitting method thereof |
| CN107993540A (en) * | 2018-01-15 | 2018-05-04 | 国网北京市电力公司 | A kind of microcomputer protective relay teaching experiment system |
| US20200052481A1 (en) * | 2018-08-08 | 2020-02-13 | Brand Shared Services, Llc | Power distribution and protection cabinet |
| CN208707286U (en) * | 2018-08-21 | 2019-04-05 | 广东新兴铸管有限公司 | A kind of air compressor machine high voltage power supply cabinet automatically cutting off lock signal |
| CN111478449A (en) * | 2020-05-29 | 2020-07-31 | 珠海瑞捷电气股份有限公司 | Wiring-free microcomputer protection measurement and control device and high-voltage switch cabinet |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210824 |
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| RJ01 | Rejection of invention patent application after publication |