CN203502486U - Air switch with monitoring and early warning functions - Google Patents
Air switch with monitoring and early warning functions Download PDFInfo
- Publication number
- CN203502486U CN203502486U CN201320563777.XU CN201320563777U CN203502486U CN 203502486 U CN203502486 U CN 203502486U CN 201320563777 U CN201320563777 U CN 201320563777U CN 203502486 U CN203502486 U CN 203502486U
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- chip microcomputer
- converter
- air switch
- monitoring
- early warning
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Abstract
The utility model discloses an air switch with monitoring and early warning functions. The air switch with the monitoring and early warning functions comprises an air switch body and a one-chip microcomputer. A current detection device is connected to the one-chip microcomputer through a first A/D converter, a voltage detection device is connected to the one-chip microcomputer through a second A/D converter, and a keying circuit is connected to the one-chip microcomputer; and the one-chip microcomputer is connected to a display through a first D/A converter, the one-chip microcomputer is connected to a bell through a second D/A converter, the one-chip microcomputer is connected to a controller, and the display is a liquid crystal display. Compared with the prior art, the air switch with the monitoring and early warning functions is advantaged in that (1) the current and the voltage of a main circuit can be displayed, and the operating state of the main circuit is monitored; (2) potential hazards in the main circuit can be early warned; and (3) functions of remote monitoring, remote early warning and acousto-optic early warning can be achieved.
Description
Technical field
The utility model relates to field of circuit breakers, is specifically a kind of air switch with monitoring and warning function.
Background technology
Air switch, has another name called air-break, refers to the isolating switch of contact in air deciliter, is a kind of of isolating switch.Air switch is very important a kind of electrical equipment in low voltage power distribution network and electric drive system, and it integrates controls and multi-protective function.Decapacitation complete connect and minute deenergizing outside, the short circuit that also can occur circuit or electrical equipment, seriously overload and under-voltage etc. protection, the while also can be for actuating motor continually not.Air switch has the advantages such as working value is adjustable, breaking capacity is high, easy to operate, safe, so be widely used.Air switch generally belongs to passive protection to the defencive function of main circuit at present, and when main circuit breaks down, air switch can not disconnect rapidly, only can, when main circuit equipment may lose, just can disconnect main circuit.Therefore, we need a kind of can monitoring main circuit, and potential hidden danger are carried out to the air switch of early warning.
Utility model content
The purpose of this utility model is to provide a kind of air switch with monitoring and warning function.
The technical scheme that realizes the utility model object is as follows: a kind of air switch with monitoring and warning function, comprise air switch body, also comprise single-chip microcomputer, current sensing means is connected to single-chip microcomputer by the first A/D converter, voltage check device is connected to single-chip microcomputer by the second A/D converter, and key circuit is connected to single-chip microcomputer; Single-chip microcomputer is also connected to display by the first D/A converter, and single-chip microcomputer is also connected to electric bell by the second D/A converter, and single-chip microcomputer is also connected to controller.Described display is liquid crystal display.
In technique scheme, single-chip microcomputer can also be connected to the first D/A converter by wireless signal transmitter and the wireless signal receiver of mutual coupling, wherein single-chip microcomputer is connected to wireless signal transmitter, and wireless signal receiver is connected to the first D/A converter, to realize the function of remote monitoring.Single-chip microcomputer also can be connected to the second D/A converter by wireless signal transmitter and the wireless signal receiver of mutual coupling, wherein single-chip microcomputer is connected to wireless signal transmitter, wireless signal receiver is connected to the second D/A converter, to realize the function of distant early warning.In addition, on the second D/A converter, be also connected with flashlamp, to realize the function of flash of light early warning.
The utility model compared with prior art, has the following advantages and beneficial effect:
1, the utility model can show electric current, the voltage of main circuit, the running status of monitoring main circuit;
2, the utility model can carry out early warning to the potential hidden danger of main circuit;
3, the utility model can be realized remote monitoring, distant early warning and acousto-optic warning function.
Accompanying drawing explanation
Fig. 1 is the system construction drawing of the utility model embodiment 1.
Fig. 2 is the system construction drawing of the utility model embodiment 2.
Fig. 3 is the system construction drawing of the utility model embodiment 3.
Fig. 4 is the system construction drawing of the utility model embodiment 4.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
As Fig. 1, a kind of air switch with monitoring and warning function, comprises air switch body, also comprise single-chip microcomputer, current sensing means is connected to single-chip microcomputer by the first A/D converter, and voltage check device is connected to single-chip microcomputer by the second A/D converter, and key circuit is connected to single-chip microcomputer; Single-chip microcomputer is also connected to display by the first D/A converter, and single-chip microcomputer is also connected to electric bell by the second D/A converter, and single-chip microcomputer is also connected to controller.Wherein, described display is liquid crystal display.
Principle of work of the present utility model is: first by key circuit, realize the setting to excess current value, overvoltage value, under-voltage value, early warning current value and early warning magnitude of voltage.Current sensing means records the electric current in main circuit, after the first A/D converter is converted to digital signal, is input to single-chip microcomputer.Voltage check device records the voltage in main circuit, is converted to digital signal is input to single-chip microcomputer through the second A/D converter.After single-chip microcomputer is processed digital signal, output digit signals is to the first D/A converter, and the first D/A converter is converted to simulating signal by digital signal, shows magnitude of voltage and current value in main circuit in display.When the electric current in main circuit reaches early warning current value or voltage and reaches early warning magnitude of voltage, single-chip microcomputer output digit signals is to the second D/A converter, and the second D/A converter is converted to voltage signal by digital signal, drives electric bell alarm.Electric current in main circuit reaches excess current value, and single-chip microcomputer output signal is to controller, and controller is made control action, disconnects main circuit.In like manner, when the voltage in main circuit reaches overvoltage value or under-voltage value, controller is made control action, disconnects main circuit.
Fig. 2 shows the system architecture of air switch that can remote monitoring.Single-chip microcomputer is connected to the first D/A converter by wireless signal transmitter and the wireless signal receiver of mutual coupling, and wherein single-chip microcomputer is connected to wireless signal transmitter, and wireless signal receiver is connected to the first D/A converter.Single-chip microcomputer is by arriving after electric current and voltage signal processing of detecting, output digit signals is to wireless signal transmitter, after the signal that wireless signal transmitter sends is received by wireless signal receiver, output to the first D/A converter, the first D/A converter is converted to simulating signal by digital signal, shows magnitude of voltage and current value in main circuit in display.
Fig. 3 shows the system architecture that can carry out the air switch of distant early warning.Single-chip microcomputer is connected to the second D/A converter by wireless signal transmitter and the wireless signal receiver of mutual coupling, and wherein single-chip microcomputer is connected to wireless signal transmitter, and wireless signal receiver is connected to the second D/A converter.When the electric current in main circuit reaches early warning current value or voltage and reaches early warning magnitude of voltage, single-chip microcomputer output digit signals is to wireless signal transmitter, after the signal that wireless signal transmitter sends is received by wireless signal receiver, output to the second D/A converter, the second D/A converter is converted to voltage signal by digital signal, drives electric bell alarm.
Fig. 4 shows the system architecture of the air switch that has acousto-optic early warning concurrently.On the second D/A converter, connect flashlamp, when the electric current in main circuit reaches early warning current value or voltage and reaches early warning magnitude of voltage, single-chip microcomputer output digit signals is to the second D/A converter, the second D/A converter is converted to voltage signal by digital signal, when driving electric bell alarm, also drive flashlamp glittering, reach acousto-optic warning function.
Claims (5)
1. one kind has monitoring and the air switch of warning function, comprise air switch body, it is characterized in that, also comprise single-chip microcomputer, current sensing means is connected to single-chip microcomputer by the first A/D converter, voltage check device is connected to single-chip microcomputer by the second A/D converter, and key circuit is connected to single-chip microcomputer; Single-chip microcomputer is also connected to display by the first D/A converter, and single-chip microcomputer is also connected to electric bell by the second D/A converter, and single-chip microcomputer is also connected to controller.
2. as claimed in claim 1 have monitoring and an air switch of warning function, it is characterized in that, described single-chip microcomputer is connected to the first D/A converter by wireless signal transmitter and the wireless signal receiver of mutual coupling, wherein single-chip microcomputer is connected to wireless signal transmitter, and wireless signal receiver is connected to the first D/A converter.
3. as claimed in claim 1 have monitoring and an air switch of warning function, it is characterized in that, described single-chip microcomputer is connected to the second D/A converter by wireless signal transmitter and the wireless signal receiver of mutual coupling, wherein single-chip microcomputer is connected to wireless signal transmitter, and wireless signal receiver is connected to the second D/A converter.
4. the air switch with monitoring and warning function as claimed in claim 1, is characterized in that, on described the second D/A converter, is also connected with flashlamp.
5. the air switch with monitoring and warning function as claimed in claim 1, is characterized in that, described display is liquid crystal display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320563777.XU CN203502486U (en) | 2013-09-11 | 2013-09-11 | Air switch with monitoring and early warning functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320563777.XU CN203502486U (en) | 2013-09-11 | 2013-09-11 | Air switch with monitoring and early warning functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203502486U true CN203502486U (en) | 2014-03-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320563777.XU Expired - Lifetime CN203502486U (en) | 2013-09-11 | 2013-09-11 | Air switch with monitoring and early warning functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203502486U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356621A (en) * | 2015-12-22 | 2016-02-24 | 南京思飞捷软件科技有限公司 | Air switch, system for air switches and working procedure |
-
2013
- 2013-09-11 CN CN201320563777.XU patent/CN203502486U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356621A (en) * | 2015-12-22 | 2016-02-24 | 南京思飞捷软件科技有限公司 | Air switch, system for air switches and working procedure |
| CN105356621B (en) * | 2015-12-22 | 2018-05-15 | 南京思飞捷软件科技有限公司 | A kind of air switch and air switch system and workflow |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140326 |
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| CX01 | Expiry of patent term |