CN202648808U - Charged display and temperature detection apparatus of ring main unit - Google Patents
Charged display and temperature detection apparatus of ring main unit Download PDFInfo
- Publication number
- CN202648808U CN202648808U CN201220324326.6U CN201220324326U CN202648808U CN 202648808 U CN202648808 U CN 202648808U CN 201220324326 U CN201220324326 U CN 201220324326U CN 202648808 U CN202648808 U CN 202648808U
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- ring main
- main unit
- temperature
- emitting diode
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Abstract
Disclosed in the utility model is a charged display and temperature detection apparatus of a ring main unit. The apparatus comprises a charged display unit and a temperature monitoring unit. The charged display unit that is connected between metal rings (12) on three elbow heads at a three-phase cable outlet position inside the ring main unit and the ground consists of a rectifier circuit (1), a charge and discharge capacitor (2), a controlled silicon (4) and a light-emitting diode assembly (5). And the temperature monitoring unit includes a temperature sensor (6), a microprocessor (7), a data transmission unit (8) and a display (9). According to the utility model, double and indirect electricity testing can be carried out on an electricity testing display device used by the ring main unit; and the monitoring on the temperature inside the ring main unit can be carried out comprehensively in real time.
Description
Technical field
The utility model relates to a kind of ring main unit live and shows and temperature-detecting device.
Background technology
Ring main unit is that one group of high-tension switch gear is contained in the steel sheet metal cabinet or makes the electrical equipment of assembly unit compartment ring network power supply unit, have simple in structure, volume is little, price is low, can improve power supply parameter and the advantages such as performance and power supply safety.It is widely used in the distribution substation and box-type substation of the load centers such as Urban Residential District, skyscraper, large public building, factory and enterprise.
The ring main unit of present sealing is the equipment that can't carry out direct electrical verification, can only rely on indirect method of checking electricity equipment to carry out electrical verification work, the electrical verification of existing ring main unit, all be to carry out electrical verification by the single signal source of capacitance type sensor, do not meet the electric power safety specified standard: when adopting indirect method of checking electricity, should have at least two or more indications that corresponding the variation occurs simultaneously.
The utility model content
The purpose of this utility model namely is to overcome the deficiency of present technology, provides a kind of simple in structure, safe and reliable ring main unit live to show and temperature-detecting device.
The utility model is achieved through the following technical solutions: ring main unit live shows and temperature-detecting device, first module is charged display unit, be connected between the becket and the earth on three elbow heads that threephase cable in the ring main unit goes out line position, comprise rectification circuit, charge and discharge capacitance, controllable silicon and light-emitting diode component, rectification circuit and charge and discharge capacitance are connected in series between the becket and the earth of a phase cable, rectification circuit is the rectifier of many group series connection, rectifier is that a resistance and a diodes in parallel form, be connected in parallel on the charge and discharge capacitance after controllable silicon and the light-emitting diode component series connection, be parallel with a bidirectional trigger diode on the controllable silicon, light-emitting diode component is many groups light emitting diode groups in parallel, and the light emitting diode group is the light emitting diode of a plurality of series connection;
Second unit is the monitoring temperature unit, comprise temperature sensor, microprocessor, data transmission unit and display, described temperature sensor is installed at the position of ring main unit inside enclosed cable elbow head, the signal output part of temperature sensor connects microprocessor by A/D converter, the output of microprocessor connects display, also be connected with a storer on the microprocessor, data transmission unit is connected on the storer.
Described rectification circuit comprises 4 rectifiers.
Described charge and discharge capacitance is electrolytic electric capacity, the guaranteed capacity value.
Described light-emitting diode component is 3 groups of light emitting diode groups.
Described light emitting diode group comprises 3 light emitting diodes.
Also be serially connected with current-limiting resistance or current-limiting inductance between described controllable silicon and the light emitting diode, the protection light emitting diode.
Described storer is connected USB interface with microprocessor and connects.
Described data transmission unit is modulator-demodular unit.
The beneficial effects of the utility model are:
(1) display of temperature outside ring main unit by the cable elbow head in the temperature sensor monitors ring main unit shows, when operating, the staff can monitor cable temperature by display, can know whether normally operation of ring main unit, guaranteed staff's safety, and this device also sends to temperature data the Surveillance center of far-end, the temperature information of sealing cable can be monitored at any time, the fire and the large area blackout that cause because cable is overheated can be effectively prevented;
(2) and after ring main unit was with voltage, light emitting diode namely can glimmer, and sends caution, realize the function to the ring main unit indirect method of checking electricity, used the multi-group light-emitting diode group in parallel, had very high reliability and security;
(3) realized the electrical verification display device that ring main unit uses is carried out dual indirect method of checking electricity, and more comprehensive and real-time to the monitoring of the temperature in the cabinet.
Description of drawings
Fig. 1 is mounting structure figure of the present utility model;
Fig. 2 is charged display unit circuit structural drawing;
Fig. 3 is the structured flowchart of monitoring temperature unit;
Among the figure, 1-rectification circuit, 2-charge and discharge capacitance, 3-bidirectional trigger diode, 4-controllable silicon, 5-light-emitting diode component, 6-temperature sensor, 7-microprocessor, 8-data transmission unit, 9-display, 10-storer, 11-A/D converter, 12-becket.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1 and Figure 2, ring main unit live demonstration and temperature-detecting device, this device is divided into two unit at least:
First module is charged display unit, be connected between the becket 12 and the earth on three elbow heads that threephase cable in the ring main unit goes out line position, comprise rectification circuit 1, charge and discharge capacitance 2, controllable silicon 4 and light-emitting diode component 5, rectification circuit 1 and charge and discharge capacitance 2 are connected in series between the becket and the earth of a phase cable, rectification circuit 1 is the rectifier of many group series connection, rectifier is that a resistance and a diodes in parallel form, be connected in parallel on the charge and discharge capacitance 2 after controllable silicon 4 and light-emitting diode component 5 series connection, be parallel with a bidirectional trigger diode 3 on the controllable silicon 4, light-emitting diode component 5 is many groups light emitting diode groups in parallel, and the light emitting diode group is the light emitting diode of a plurality of series connection.
Second unit is the monitoring temperature unit, comprise temperature sensor 6, microprocessor 7, data transmission unit 8 and display 9, described temperature sensor 6 is installed at the position of ring main unit inside enclosed cable elbow head, the signal output part of temperature sensor 6 connects microprocessor 7 by A/D converter 11, the output of microprocessor 7 connects display 9,7 also are connected with a storer 10 on the microprocessor, and data transmission unit 8 is connected on the storer 10.
Described charge and discharge capacitance is electrolytic electric capacity, and the guaranteed capacity value can be lighted a plurality of light emitting diodes.
Also be serially connected with current-limiting resistance or current-limiting inductance between described controllable silicon 4 and the light emitting diode, the protection light emitting diode.
Charged display unit principle of work of the present utility model is: threephase cable goes out becket on three elbow heads of line position when charged in the ring main unit, electric current namely is communicated to ground by rectification circuit 1 and charge and discharge capacitance 2, and charge and discharge capacitance 2 charged, when the voltage at charge and discharge capacitance 2 two ends during greater than the turn-on threshold of bidirectional trigger diode 3, bidirectional trigger diode 3 is reversed puncture, thereby start controllable silicon 4, charge and discharge capacitance 2, controllable silicon 4 and light-emitting diode component 5 form the discharge loop of charge and discharge capacitance 2, light emitting diode in the light-emitting diode component 5 is lit, when charge and discharge capacitance 2 both end voltage are 0V, controllable silicon 4 namely ends charge and discharge capacitance 2, light emitting diode in the light-emitting diode component 5 namely extinguishes, 2 again chargings of charge and discharge capacitance, until when reaching the turn-on threshold of bidirectional trigger diode 3, repeat above-mentioned action, so move in circles so that discharge diode circulation flicker.
Monitoring temperature cell operation principle of the present utility model is: when the temperature of temperature sensor 6 tests to enclosed cable elbow head place, send to microprocessor 7 by A/D converter 11, microprocessor 7 sends to display 9 with temperature data and shows, microprocessor 7 also stores temperature data into storer 10, and the Surveillance center that data transmission unit 8 sends to far-end also crossed data communication device by storer 10.
Claims (8)
1. ring main unit live shows and temperature-detecting device, and it is characterized in that: this device is divided into two unit at least:
First module is charged display unit, be connected between the becket (12) and the earth on three elbow heads that threephase cable in the ring main unit goes out line position, comprise rectification circuit (1), charge and discharge capacitance (2), controllable silicon (4) and light-emitting diode component (5), rectification circuit (1) and charge and discharge capacitance (2) are connected in series between the becket and the earth of a phase cable, rectification circuit (1) is the rectifier of many group series connection, rectifier is that a resistance and a diodes in parallel form, be connected in parallel on the charge and discharge capacitance (2) after controllable silicon (4) and light-emitting diode component (5) series connection, be parallel with a bidirectional trigger diode (3) on the controllable silicon (4), light-emitting diode component (5) is many groups light emitting diode groups in parallel, and the light emitting diode group is the light emitting diode of a plurality of series connection;
Second unit is the monitoring temperature unit, comprise temperature sensor (6), microprocessor (7), data transmission unit (8) and display (9), described temperature sensor (6) is installed at the position of ring main unit inside enclosed cable elbow head, the signal output part of temperature sensor (6) connects microprocessor (7) by A/D converter (11), the output of microprocessor (7) connects display (9), (7) also are connected with a storer (10) on the microprocessor, and data transmission unit (8) is connected on the storer (10).
2. ring main unit live according to claim 1 shows and temperature-detecting device, and it is characterized in that: described rectification circuit (1) comprises 4 rectifiers.
3. ring main unit live according to claim 1 shows and temperature-detecting device, and it is characterized in that: described charge and discharge capacitance (2) is electrolytic electric capacity.
4. ring main unit live according to claim 1 shows and temperature-detecting device, and it is characterized in that: described light-emitting diode component (5) is 3 groups of light emitting diode groups.
5. ring main unit live according to claim 1 shows and temperature-detecting device, and it is characterized in that: described light emitting diode group comprises 3 light emitting diodes.
6. ring main unit live according to claim 1 shows and temperature-detecting device, it is characterized in that: also be serially connected with current-limiting resistance or current-limiting inductance between described controllable silicon and the light emitting diode.
7. ring main unit live according to claim 1 shows and temperature-detecting device, and it is characterized in that: described storer (10) is connected 7 with microprocessor) connect by USB interface.
8. ring main unit live according to claim 1 shows and temperature-detecting device, it is characterized in that: described data transmission unit (8) is modulator-demodular unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220324326.6U CN202648808U (en) | 2012-07-06 | 2012-07-06 | Charged display and temperature detection apparatus of ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220324326.6U CN202648808U (en) | 2012-07-06 | 2012-07-06 | Charged display and temperature detection apparatus of ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202648808U true CN202648808U (en) | 2013-01-02 |
Family
ID=47417903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220324326.6U Expired - Fee Related CN202648808U (en) | 2012-07-06 | 2012-07-06 | Charged display and temperature detection apparatus of ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202648808U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048527A (en) * | 2011-10-14 | 2013-04-17 | 四川蓝讯宝迩电子科技有限公司 | Electrifying display and temperature detecting device for ring main unit |
| CN103344820A (en) * | 2013-07-23 | 2013-10-09 | 北京合纵科技股份有限公司 | Potential indicator with temperature measuring function |
| CN106597961A (en) * | 2017-02-22 | 2017-04-26 | 国家电网公司 | Ring network cabinet environment monitoring system and method thereof |
-
2012
- 2012-07-06 CN CN201220324326.6U patent/CN202648808U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048527A (en) * | 2011-10-14 | 2013-04-17 | 四川蓝讯宝迩电子科技有限公司 | Electrifying display and temperature detecting device for ring main unit |
| CN103344820A (en) * | 2013-07-23 | 2013-10-09 | 北京合纵科技股份有限公司 | Potential indicator with temperature measuring function |
| CN103344820B (en) * | 2013-07-23 | 2015-11-11 | 北京合纵科技股份有限公司 | A kind of potential indicator with temp sensing function |
| CN106597961A (en) * | 2017-02-22 | 2017-04-26 | 国家电网公司 | Ring network cabinet environment monitoring system and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20130706 |