CN205898367U - Circuit breaker vacuum monitor - Google Patents
Circuit breaker vacuum monitor Download PDFInfo
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- CN205898367U CN205898367U CN201620864826.7U CN201620864826U CN205898367U CN 205898367 U CN205898367 U CN 205898367U CN 201620864826 U CN201620864826 U CN 201620864826U CN 205898367 U CN205898367 U CN 205898367U
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Abstract
The utility model relates to a vacuum monitoring field, more specifically relates to circuit breaker vacuum monitor. The utility model discloses circuit breaker vacuum monitor, its simple structure to central processing unit is the main control unit, and test procedure realizes automaticly totally, deducts effectively owing to the electric leakage electric current that environmental factor produced, and direct indication vacuum value makes vacuum circuit breaker user grasp the vacuum state of explosion chamber in detail. Detection module's input is being connected to the output of input interface, central processing unit's input is being connected to detection module's output, central processing unit's input is being connected to power module's output, central processing unit's input is being connected to the output of keying in, high voltage pilot light's input is being connected to central processing unit's output, high frequency high voltage power supply's input is being connected to central processing unit's output, the input of display screen is being connected to central processing unit's output, the input of printing output module is being connected to central processing unit's output.
Description
Technical field
The utility model relates generally to a kind of vacuum monitoring field, more particularly, it relates to breaker vacuum monitor.
Background technology
Vacuum circuit breaker is the High-Voltage Electrical Appliances commonly using in power system, and its core component is vacuum interrupter, due to
Arc-chutes are using vacuum condition as working foundation, so it is unlike oil circuit breaker, sf6 switch easily detects its quality like that.
Traditionally, vacuum circuit breaker user judges that the method for arc-chutes vacuum is industrial frequency withstand voltage method, and this method can only judge roughly
The vacuum of vacuum switch.Vacuum degree measuring instrument is the evaluation apparatus of the vacuum of vacuum interrupter, the sampling Design of this instrument
Change and the method demarcated was done using current peak in the past, and demarcated using ionic charge.So, restrained effectively test
During transient state power supply interference, make stable testing reliable.
Utility model content
, mainly solving the technical problems that providing breaker vacuum monitor, its structure is simple, with central authorities for the utility model
Processor is main control unit, and test process fully achieves automation, effectively deducts the leakage current producing due to environmental factor,
Directly display vacuum degree, make vacuum circuit breaker user grasp the vacuum state of arc-chutes in detail.
For solving above-mentioned technical problem, the utility model breaker vacuum monitor includes input interface, detection module, electricity
Source module, key-press input, central processing unit, HT pilot, high-frequency and high-voltage power supply, display screen, printout module, its structure
Simply, with central processing unit as main control unit, test process fully achieves automation, effectively deducts and is produced due to environmental factor
Leakage current, directly display vacuum degree, make vacuum circuit breaker user grasp the vacuum state of arc-chutes in detail.
Wherein, the output end of described input interface is connected to the input of detection module；The output end of described detection module
It is connected to the input of central processing unit；The output end of described power module is connected to the input of central processing unit；Described press
The output end of key input is connected to the input of central processing unit；The output end of described central processing unit is connected to HT pilot
Input；The output end of described central processing unit is connected to the input of high-frequency and high-voltage power supply；Described central processing unit defeated
Go out the input that end is connected to display screen；The output end of described central processing unit is connected to print out the input of module.
Optimize further as of the present utility model, central processing unit described in the utility model breaker vacuum monitor is adopted
Use at80c51 single-chip microcomputer.
Optimize further as of the present utility model, detection module described in the utility model breaker vacuum monitor adopts
Gas current detection sensor.
Optimize further as of the present utility model, key-press input described in the utility model breaker vacuum monitor adopts
Matrix keyboard.
Optimize further as of the present utility model, display screen described in the utility model breaker vacuum monitor adopts liquid
Crystal display screen.
Optimize further as of the present utility model, HT pilot described in the utility model breaker vacuum monitor is adopted
Use led.
Optimize further as of the present utility model, described in the utility model breaker vacuum monitor, print out module
Using epson miniature pin type print module.
Control effect: the utility model breaker vacuum monitor, its structure is simple, with central processing unit for master control list
Unit, test process fully achieves automation, effectively deducts the leakage current producing due to environmental factor, directly displays vacuum
Value, makes vacuum circuit breaker user grasp the vacuum state of arc-chutes in detail.
Brief description
The utility model is described in more detail with specific implementation method below in conjunction with the accompanying drawings.
Fig. 1 is the hardware structure diagram of the utility model breaker vacuum monitor.
Fig. 2 is the circuit theory diagrams of the single-chip microcomputer of the utility model breaker vacuum monitor.
Fig. 3 is the circuit theory diagrams of the high-frequency and high-voltage power supply of the utility model breaker vacuum monitor.
Fig. 4 is the circuit theory diagrams of the display screen of the utility model breaker vacuum monitor.
Fig. 5 is the circuit theory diagrams of the power module of the utility model breaker vacuum monitor.
Fig. 6 is the circuit theory diagrams of the printout module of the utility model breaker vacuum monitor.
Fig. 7 is the circuit theory diagrams of the detection module of the utility model breaker vacuum monitor.
Specific embodiment
Specific embodiment one:
In conjunction with Fig. 1,2,3,4,5,6,7, present embodiment is described, described in present embodiment, breaker vacuum monitor includes
Input interface, detection module, power module, key-press input, central processing unit, HT pilot, high-frequency and high-voltage power supply, display
Screen, printout module, its structure is simple, and with central processing unit as main control unit, test process fully achieves automation, effectively
The leakage current that ground deduction is produced due to environmental factor, directly displays vacuum degree, so that vacuum circuit breaker user is grasped in detail and goes out
The vacuum state of arc chamber.
Wherein, the output end of described input interface is connected to the input of detection module, and input interface is used for inputting test product
Gas current, be connected with detection module by j1.
The output end of described detection module is connected to the input of central processing unit, and detection module is used for detecting input interface
The gas current size of input, is connected with the p2.5 port of central processing unit.
The output end of described power module is connected to the input of central processing unit, and power module is used for entering for whole system
Row power supply, makes breaker vacuum monitor normal work, completes the detection of vacuum, input 220v voltage is to power management mould
Block.
The output end of described key-press input is connected to the input of central processing unit, and key-press input is used for inputting user and refers to
Order, operating buttons make instrument be in different working conditions, and key-press input is matrix keyboard, with the p0.3 of central processing unit,
P0.4, p0.5 port is connected.
The output end of described central processing unit is connected to the input of HT pilot, and high pressure instruction etc. is used for indicating high pressure
Signal, when high-frequency and high-voltage power supply exports, HT pilot is bright, is connected with the p0.0 port of central processing unit.
The output end of described central processing unit is connected to the input of high-frequency and high-voltage power supply, during high-frequency and high-voltage power supply is used for inciting somebody to action
The signal of certain dutycycle that what central processor was sent have carries out power amplification, drives high-frequency and high-voltage power supply, thus producing measurement
Required high pressure, is connected with the p2.2 port of central processing unit.
The output end of described central processing unit is connected to the input of display screen, and display screen is used for each seed ginseng of display system
Number, display screen is connected respectively at p3.0, p3.1, p3.2, p3.3, p3.4 port of central processing unit.
The output end of described central processing unit is connected to print out the input of module, and printout module is used for printing
The measured parameter of output, printout is connected with p2.0, p2.1 port of central processing unit respectively.
Specific embodiment two:
In conjunction with Fig. 1,2,3,4,5,6,7, present embodiment is described, described central processing unit adopts at80c51 single-chip microcomputer.Institute
State at89c51 single-chip microcomputer has the step-by-step operation system of complete set from its internal hardware to software, the interval also spy of ram in piece
Do not open the address section of a dual-use function, 16 bytes, element address 20h～2fh, it both can have been made byte and process,
Also position can be made process.The setting of i/o pin of 51 single-chip microcomputers and using very simple, when this pin is made input pin and is used, need only be by
This pin is set to high level (during reset, each i/o mouth all puts high electricity).When this pin makees output pin use, then for high level or low
Level.
Specific embodiment three:
In conjunction with Fig. 1,2,3,4,5,6,7, present embodiment is described, described detection module adopts gas current detection sensor.
Two contacts of arc-chutes are pulled open certain to be opened away from applying high voltage pulse, collide ionization with residual gas molecule, produced
Gas current and residual gas density be vacuum relation approximately in proportion.For different vacuum tubes, in equal vacuum
Under the conditions of, the size of gas current also differs, after predicting gas current, by gas current one curve of vacuum, by counting
Calculation machine is automatically performed the calculating of vacuum, and shows vacuum degree.
Specific embodiment four:
In conjunction with Fig. 1,2,3,4,5,6,7, present embodiment is described, described key-press input adopts matrix keyboard.By matrix
Formula keyboard realizes the input of multiple buttons, realizes various control, saves io mouth.
Specific embodiment five:
In conjunction with Fig. 1,2,3,4,5,6,7, present embodiment is described, described display screen adopts LCDs.LCDs
There is low pressure, low-power consumption, flat structure, display information amount is big, be easy to the spies such as colorization, radiationless, pollution-free, life-span length
Point.
Specific embodiment six:
In conjunction with Fig. 1,2,3,4,5,6,7, present embodiment is described, described HT pilot adopts led.The high frequency when detection
High voltage power supply discharges high voltage pulse, collides ionization with residual gas molecule, and produced gas current is detected module and examines
Measure, processed.When high-frequency and high-voltage power supply release high voltage pulse, HT pilot is bright, shows that present high-frequency and high-voltage power supply is defeated
Go out signal.
Specific embodiment seven:
In conjunction with Fig. 1,2,3,4,5,6,7, present embodiment is described, described printout module is beaten using the miniature pin type of epson
Impression block.Breaker vacuum detector detects vacuum degrees of data, by printing out the data of module output detection, is easy to check
Data.
The operation principle of the utility model breaker vacuum monitor is: the utility model breaker vacuum monitor passes through
Different key on key-press input selects suitable pattern, is tested, two contacts of arc-chutes to be detected are pulled open necessarily
Open away from one section is connected to input interface, and one section is connected to high-frequency and high-voltage power supply, and central controller controls high-frequency and high-voltage power supply is applied
Plus high voltage pulse, collide ionization with residual gas molecule, produced gas current and residual gas density are vacuum
Relation approximately in proportion.Gas current is detected module by input interface and gas current size is detected, the data having detected
It is sent to central processing unit, central processing unit calculates vacuum.The vacuum calculating is shown by display screen, central authorities
Processor controls the data of printout module printout measurement.Power module is powered for detector, is that detector completes to examine
Survey the work of vacuum.
Although with preferred embodiment disclosure as above, it is not limited to the utility model to the utility model, appoint
What person skilled in the art, without departing from spirit and scope of the present utility model, can do various change and modify, therefore
Protection domain of the present utility model should be by being defined that claims are defined.
Claims (7)
1. breaker vacuum monitor it is characterised in that described breaker vacuum monitor include input interface, detection module,
Power module, key-press input, central processing unit, HT pilot, high-frequency and high-voltage power supply, display screen, printout module, described
The output end of input interface is connected to the input of detection module；The output end of described detection module is connected to central processing unit
Input；The output end of described power module is connected to the input of central processing unit；The output end of described key-press input connects
The input of central processing unit；The output end of described central processing unit is connected to the input of HT pilot；Described central authorities
The output end of processor is connected to the input of high-frequency and high-voltage power supply；The output end of described central processing unit is connected to display screen
Input；The output end of described central processing unit is connected to print out the input of module.
2. breaker vacuum monitor according to claim 1 it is characterised in that: described central processing unit adopts
At80c51 single-chip microcomputer.
3. breaker vacuum monitor according to claim 1 it is characterised in that: described detection module adopts gas current
Detection sensor.
4. breaker vacuum monitor according to claim 1 it is characterised in that: described key-press input adopt matrix form key
Disk.
5. breaker vacuum monitor according to claim 1 it is characterised in that: described display screen adopts liquid crystal display
Screen.
6. breaker vacuum monitor according to claim 1 it is characterised in that: described HT pilot adopts led.
7. breaker vacuum monitor according to claim 1 it is characterised in that: described printout module adopt
Epson miniature pin type print module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620864826.7U CN205898367U (en) | 2016-08-09 | 2016-08-09 | Circuit breaker vacuum monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620864826.7U CN205898367U (en) | 2016-08-09 | 2016-08-09 | Circuit breaker vacuum monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205898367U true CN205898367U (en) | 2017-01-18 |
Family
ID=57781126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620864826.7U Expired - Fee Related CN205898367U (en) | 2016-08-09 | 2016-08-09 | Circuit breaker vacuum monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205898367U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108765890A (en) * | 2018-04-27 | 2018-11-06 | 国家电网公司 | Vacuum monitor |
-
2016
- 2016-08-09 CN CN201620864826.7U patent/CN205898367U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108765890A (en) * | 2018-04-27 | 2018-11-06 | 国家电网公司 | Vacuum monitor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170118 Termination date: 20200809 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |