CN104390663A - Switch cabinet monitoring device - Google Patents
Switch cabinet monitoring device Download PDFInfo
- Publication number
- CN104390663A CN104390663A CN201410677778.6A CN201410677778A CN104390663A CN 104390663 A CN104390663 A CN 104390663A CN 201410677778 A CN201410677778 A CN 201410677778A CN 104390663 A CN104390663 A CN 104390663A
- Authority
- CN
- China
- Prior art keywords
- monitoring device
- switch cubicle
- voltage
- switch cabinet
- temperature
- 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.)
- Pending
Links
Landscapes
- Gas-Insulated Switchgears (AREA)
Abstract
The invention relates to the field of switch cabinets and discloses a switch cabinet monitoring device. The switch cabinet monitoring device comprises a power source, a controller, an alarm device, a voltage transformer for acquiring the voltage signal of the switch cabinet, a current transformer for acquiring the current signal of the switch cabinet, a frequency detection module for detecting the current frequency of the switch cabinet and a temperature sensor for acquiring temperatures, wherein the controller controls the alarm device according to the temperature signal acquired by the temperature sensor. The switch cabinet monitoring device is capable of realizing online monitoring on the important state variables, such as voltage, current, frequency, power and temperature, of a medium-voltage switch cabinet.
Description
Technical field
The present invention relates to disconnector field, particularly relate to a kind of switch cubicle monitoring device.
Background technology
China's power industry fast development in recent years; to the energy supply of increase China, readjusting the energy structure and preserving the ecological environment serves positive role; the factor of a lot of causing trouble is had in the operation of power switch cabinet; Unattended substation management mode and comprehensive automation are promoted in electric system, make the safe operation of switch cubicle become extremely important.So in order to the stability that improves switch cubicle work and security; each switch cubicle can configure an intelligent monitoring unit; the factor of these possibility causing trouble is monitored and protected; but there is a lot of power equipment positions all more remote; be difficult to Timeliness coverage and prevention when switch cabinet system breaks down, even if find, carry out keeping in repair and also want the regular hour just can be on the scene; seriously delay the opportunity of repairing, result in greater loss.
Therefore, need to research and develop the on-line monitoring of a kind of switch cubicle monitoring device to the voltage of switch cubicle, electric current, frequency, power and temperature, seem urgent and important.
Summary of the invention
For overcoming the deficiencies in the prior art, the object of the invention is: a kind of switch cubicle monitoring device is provided.
In order to solve the technical matters in background technology, the invention provides a kind of switch cubicle monitoring device, comprise power supply, controller, warning device, for gather switch cubicle voltage signal voltage transformer (VT), for gathering the current transformer of switch cubicle current signal, the frequency detection module of detector switch cabinet power frequency and the temperature sensor for collecting temperature, the temperature signal that described controller gathers according to described temperature sensor controls warning device.
Alternatively, described switch cubicle monitoring device also comprises the display module for showing monitoring result.
Alternatively, described switch cubicle monitoring device also comprises the processing module of the output signal for the treatment of described voltage transformer (VT) summation current transformer, and described processing module comprises absolute value amplifying circuit.
Preferably, described voltage transformer (VT) is that specified input current is not more than 10mA.
Alternatively, described switch cubicle monitoring device also comprises the temperature signal regulation circuit of the output signal for the treatment of described temperature sensor, and described temperature signal regulation circuit comprises shift circuit and absolute value circuit on two differential amplifying circuit, voltage follower, voltage.
Preferably, described temperature sensor is infrared thermopile sensor.
Particularly, described switch cubicle monitoring device also comprises the Keysheet module for setting alarm temperature value.
Adopt technique scheme, switch cubicle monitoring device of the present invention achieves the on-line monitoring of voltage, electric current, frequency, power and temperature to switch cubicle, has higher measuring accuracy.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the switch cubicle monitoring device that the embodiment of the present invention provides;
Fig. 2 is the temperature signal regulation circuit diagram of the switch cubicle monitoring device that the embodiment of the present invention provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of protection of the invention.
The structural representation of the switch cubicle monitoring device that embodiment: Fig. 1 provides for the embodiment of the present invention, can clearly be seen that from figure, the switch cubicle monitoring device that the present embodiment provides comprise power supply, controller, warning device, for gather switch cubicle voltage signal voltage transformer (VT), for gathering the current transformer of switch cubicle current signal, the frequency detection module of detector switch cabinet power frequency and the temperature sensor for collecting temperature, the temperature signal that described controller gathers according to described temperature sensor controls warning device.
Alternatively, described switch cubicle monitoring device also comprises the display module for showing monitoring result.
Alternatively, described switch cubicle monitoring device also comprises the processing module of the output signal for the treatment of described voltage transformer (VT) summation current transformer, and described processing module comprises absolute value amplifying circuit.
Preferably, described voltage transformer (VT) is specified input current is 10mA.
Alternatively, described switch cubicle monitoring device also comprises the temperature signal regulation circuit of the output signal for the treatment of described temperature sensor, as shown in Figure 2, described temperature signal regulation circuit comprises shift circuit and absolute value circuit on two differential amplifying circuit, voltage follower, voltage.
Preferably, described temperature sensor is infrared thermopile sensor.
Particularly, described switch cubicle monitoring device also comprises the Keysheet module for setting alarm temperature value.
Switch cubicle monitoring device of the present invention achieves the on-line monitoring of voltage, electric current, frequency, power and temperature to switch cubicle, has higher measuring accuracy.
Above disclosedly be only several preferred embodiment of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (7)
1. a switch cubicle monitoring device, it is characterized in that, comprise power supply, controller, warning device, for gather switch cubicle voltage signal voltage transformer (VT), for gathering the current transformer of switch cubicle current signal, the frequency detection module of detector switch cabinet power frequency and the temperature sensor for collecting temperature, the temperature signal that described controller gathers according to described temperature sensor controls warning device.
2. switch cubicle monitoring device as claimed in claim 1, is characterized in that, also comprising the display module for showing monitoring result.
3. switch cubicle monitoring device as claimed in claim 1, it is characterized in that, also comprise the processing module of the output signal for the treatment of described voltage transformer (VT) summation current transformer, described processing module comprises absolute value amplifying circuit.
4. switch cubicle monitoring device as claimed in claim 1, it is characterized in that, described voltage transformer (VT) is that specified input current is not more than 10mA.
5. switch cubicle monitoring device as claimed in claim 1, it is characterized in that, also comprise the temperature signal regulation circuit of the output signal for the treatment of described temperature sensor, described temperature signal regulation circuit comprises shift circuit and absolute value circuit on two differential amplifying circuit, voltage follower, voltage.
6. switch cubicle monitoring device as claimed in claim 5, it is characterized in that, described temperature sensor is infrared thermopile sensor.
7. as the switch cubicle monitoring device in claim 1-6 as described in any one, it is characterized in that, also comprising the Keysheet module for setting alarm temperature value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410677778.6A CN104390663A (en) | 2014-11-21 | 2014-11-21 | Switch cabinet monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410677778.6A CN104390663A (en) | 2014-11-21 | 2014-11-21 | Switch cabinet monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104390663A true CN104390663A (en) | 2015-03-04 |
Family
ID=52608598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410677778.6A Pending CN104390663A (en) | 2014-11-21 | 2014-11-21 | Switch cabinet monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104390663A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866587A (en) * | 2016-05-04 | 2016-08-17 | 国网江苏省电力公司电力科学研究院 | Monitoring system for condition of electric power switch cabinet |
-
2014
- 2014-11-21 CN CN201410677778.6A patent/CN104390663A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866587A (en) * | 2016-05-04 | 2016-08-17 | 国网江苏省电力公司电力科学研究院 | Monitoring system for condition of electric power switch cabinet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203965904U (en) | Intelligent transformer supervisory system based on Internet of Things | |
| CN204228887U (en) | A kind of power equipment and the comprehensive on-line monitoring system of transmission line malfunction | |
| CN201956656U (en) | Intellectual earth leakage protection apparatus | |
| CN103389447A (en) | Non-contact ultraviolet pulse discharge monitoring device | |
| CN104155960A (en) | Unattended environment monitoring system for transformer substation | |
| CN203982182U (en) | The unattended operation environment of transformer station supervisory system | |
| CN204346587U (en) | A kind of panel box system for detecting temperature | |
| CN203929981U (en) | A kind of fault electric arc testing circuit | |
| CN204155435U (en) | A kind of wireless temperature acquisition system | |
| CN202149937U (en) | Electric energy meter calibrating device and calibrating system | |
| CN104390663A (en) | Switch cabinet monitoring device | |
| CN203981862U (en) | Capacitance type potential transformer automated watch-keeping facility | |
| CN103630266A (en) | Optical fiber temperature measurement host, optical fiber temperature measurement system and optical fiber temperature measurement method | |
| CN203772420U (en) | Infrared-ray temperature measurement system for cable head of 10 kV switch cabinet of transformer station | |
| CN203929938U (en) | The on-line monitoring system of intelligent lightning protecting equipment | |
| CN105513253A (en) | Low-voltage distribution cabinet fire alarm system | |
| CN203191113U (en) | Temperature monitoring device used for electrical equipment | |
| CN103323119A (en) | Online temperature measuring system of high-voltage switch cabinet of transformer substation | |
| CN104571031A (en) | Intelligent auxiliary monitoring system for transformer substation and monitoring method for transformer substation | |
| CN209928301U (en) | Dust removal cabinet is with intelligent temperature and humidity measurement alarm system | |
| CN104568197A (en) | Transformer substation hot-spot detection sensor device | |
| CN204650322U (en) | A kind of high-tension switch cabinet temperature and humidity control system | |
| CN105301343A (en) | Power monitoring system of three phase power supply | |
| CN105548837A (en) | Defect warning device of insulating member in switch cabinet | |
| CN204405210U (en) | Transformer station's hot point inspection sensor device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150304 |