CN203163768U - Structure of high voltage photoelectric temperature current and voltage complex sensor - Google Patents
Structure of high voltage photoelectric temperature current and voltage complex sensor Download PDFInfo
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- CN203163768U CN203163768U CN 201220361107 CN201220361107U CN203163768U CN 203163768 U CN203163768 U CN 203163768U CN 201220361107 CN201220361107 CN 201220361107 CN 201220361107 U CN201220361107 U CN 201220361107U CN 203163768 U CN203163768 U CN 203163768U
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Abstract
The utility model discloses a structure of a high voltage photoelectric temperature current and voltage complex sensor, which belongs to high voltage electrical device on-line monitoring devices. A non-magnetic skeleton coil, a light load coil and an induction power supply coil in an insulating lantern ring body are respectively connected with a photoelectric converter which is on the insulating lantern ring body. A conductor in the insulating lantern ring body passes through the non-magnetic skeleton coil, the light load coil and the induction power supply coil are then is connected with a low voltage resistor. The low voltage resistor is connected with the photoelectric converter and a high voltage resistor. The high voltage resistor is connected with an earthing terminal. The photoelectric converter is connected with a heat detector which contacts an external detection part. The photoelectric converter is connected with an infrared emission tube. The infrared emission tube, an optical fiber and an optical fiber plug are connected with an external monitoring unit, and connection with an external power supply is realized through an input terminal. According to the utility model, infrared lights are used to isolate high voltage; temperature, current and voltage are accurately sensed; high voltage sneaking into low voltage and the accident of communication system and sensor short circuit to the earth are eliminated; and temperature, current and voltage signals of a high potential can be safely and reliably sensed, which is convenient for accurate diagnosis and treatment.
Description
Technical field
The utility model relates to the on-Line Monitor Device of high-voltage power equipment, specifically a kind of structure of high voltage photo-electric temperature current voltage compound sensor.
Background technology
Sense current voltage has following several in the existing current-voltage transformer frame mode: electromagnetic type organic insulation mutual inductor, electromagnetic type oil-filled mutual inductor, electromagnetic type inflation mutual inductor, electronic mutual inductor.Many problems such as the tradition electromagnetic transformer exists that volume is big, Heavy Weight, magnetic saturation, ferroresonance and leakage of oil, gas leakage, the aging puncture of organic insulation.Electronic mutual inductor and electromagnetic transformer exist between high and low voltage insulation breakdown to bring high voltage to scurry into unsafe problems such as low-voltage system and shorted to earth accident equally.
The electric contact state of power equipment conduction junction, splicing position is bad to be the major reason that causes that this place's temperature is too high, even also can surpass maximum permissible temperature under normal current.The position that switchgear often breaks down is contact and turnover line end cable junction.These equipment mostly are enclosed construction, can not open the door or the cover plate that block infrared radiation during operation and carry out infrared detection; Some outdoor equipment inconvenience detects, and detected temperatures is inaccurate.
For present withdraw-type switchgear on-line temperature monitoring the infrared radiation detection apparatus of employing non-contacting sensor is arranged, because it is disturbed by the interior humidity of cabinet, temperature, air pressure, filth, light and infrared source and strong-electromagnetic field, measuring error is very big.Can only measure the infrared position that can look at straight again, have little significance.And the temperature sensor of contact directly with the measurement point contact position at high voltage end, detect the monitoring means of processing in low-pressure system.In order to prevent that high voltage from scurrying into low-voltage system, have at present the optical fiber of employing directly in air, connect, by infrared light three kinds of mode isolated high voltage such as transmission signal and wireless electromagnetic emission and transmission temperature signal in air simply.Because they are influenced by environment filth, electro-conductive dust, humidity or the interference of electromagnetic field etc., bring new hidden danger.GIS does not also have safe and reliable on-line temperature monitoring product at present.
The electric current of power equipment, voltage monitoring be the more important thing is safeguard protection except measuring.Yet power equipment deterioration rule just develops towards multifactor (comprising electricity, heat, machinery, optics, environment etc.) aging direction.Power equipment detection has at present broken through the traditional measurement parameter and has searched out new sign deterioration rule parameter such as temperature etc.18 great anti-accident measures of electrical network of State Grid Corporation of China (2012 editions) regulation strengthen carrying out the switch cubicle temperature detection, and the switch cubicle of temperature anomaly is strengthened monitoring, analyzes and handled, and prevent the cabinet internal short-circuit fault of the overheated initiation in galvanic circle.The needs of building along with national intelligent grid are combined temperature and are formed compound sensor with current/voltage, safe and reliable temperature, electric current, voltage monitoring data are provided simultaneously, help the health status diagnosis of power equipment and overhaul.
Summary of the invention
In order to overcome the deficiencies in the prior art, the purpose of this utility model is will provide a kind of to have under high-voltage state, adopts photo-electric temperature current voltage compound sensor to realize online device for monitoring.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of structure of high voltage photo-electric temperature current voltage compound sensor, it is characterized in that: have a front end to be circular insulation collar main body, insulation collar body interior is marked with non magnetic shaped framework coil, underloading coil and induction power supply coil, and non magnetic shaped framework coil, underloading coil and induction power supply coil are connected with photoelectric transformer on the insulation collar main body respectively; Insulation collar main body circular central is provided with electric conductor, electric conductor passes non magnetic shaped framework coil, underloading coil and induction power supply coil and is connected with low resistance, the low resistance other end is connected with high-tension resistive with photoelectric transformer, and the high-tension resistive other end is connected with ground terminal; Be connected with thermal detector on the photoelectric transformer, the thermal detector other end and external detection position are touched; Photoelectric transformer is inner to be connected with infrared transmitting tube, infrared transmitting tube is to there being an air gap channel, infrared transmitting tube is connected with optical fiber, and optical fiber passes air gap channel and is connected with fiber-optical socket, and fiber-optical socket is connected with the monitoring means of outside by the Optical fiber plug that has optical fiber; In the air gap channel bottom radiovoltaic generator is housed, radiovoltaic generator is connected with external power source by input terminal.
The optical fiber that described infrared transmitting tube connects can not adopt penetrating air gap channel perforation and directly be embedded in the insulation collar main body, is connected on the outside monitoring means.
Described insulation collar main body axially has perpendicular with the infrared light transmission direction and parallels two kinds of patterns at it.
Temperature, electric current in the high voltage photo-electric temperature current voltage compound sensor of the present utility model, voltage three structure can combination in any.
Arrangement of temperature sensor includes insulation collar main body, induction power supply coil, photoelectric transformer, infrared transmitting tube, air gap channel, optical fiber, fiber-optical socket, thermal detector in the utility model; The current sensor structure includes insulation collar main body, induction power supply coil, underloading coil, non magnetic shaped framework coil, photoelectric transformer, infrared transmitting tube, air gap channel, optical fiber, fiber-optical socket, input terminal, radiovoltaic generator; The voltage sensor structure includes insulation collar main body, induction power supply coil, electric conductor, photoelectric transformer, infrared transmitting tube, air gap channel, optical fiber, fiber-optical socket, input terminal, ground connection, radiovoltaic generator, high-tension resistive, low resistance.
The utility model can be installed on the handcart of withdraw-type switchgear, is fit to the new equipment installation and is more convenient for using in the fortune scrap build.It can also be installed on the power equipment such as switch, transformer of GIS gases at high pressure insulated metal sealing switch equipment, overhead transmission line.It is a modular structure, uses safety, reliable, convenient.
The beneficial effects of the utility model are: because the present invention adopts infrared light isolated high voltage, accurate sensing temperature, electric current, voltage, stop high voltage and scurry into low-voltage, communication system and sensor self shorted to earth accident.Realize temperature, electric current, the voltage signal at high safety, the same position of highly reliable sensing noble potential, the disconnected and processing of the accurate rash of being more convenient for.Realize the protection of high-voltage power equipment on-line monitoring, reduce equipment breakdown, improve power supply reliability, be convenient to realize equipment state overhauling and Centralized Monitoring to have good social benefit.The present invention creatively is combined into a sensor to temperature sensor and current sensor, voltage sensor three, and the three shares same induction power supply coil, shares same optical fiber, dwindles sensor bulk.So not only save installing space, be conducive to dwindle the power equipment volume and realize the miniaturization change, and can simplify installation, lead-in wire and wiring.Can reduce simultaneously the sensor manufacturing cost and reduce total cost, realize good and cheap.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 be insulation sleeve annulate shaft of the present utility model to the perpendicular topology view of infrared light transmission direction.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is that insulation collar body shaft of the present utility model is to paralleling topology view with the infrared light transmission direction.
Fig. 4 is the right view of Fig. 3.
Among the figure 1, insulation collar main body, 2, the induction power supply coil, 3, the underloading coil, 4, non magnetic shaped framework coil, 5, electric conductor, 6, photoelectric transformer, 7, infrared transmitting tube, 8, air gap channel, 9, optical fiber, 10, fiber-optical socket, 11, input terminal, 12, ground terminal, 13, radiovoltaic generator, 14, high-tension resistive, 15, low resistance, 16, thermal detector.
Embodiment
Embodiment 1:
There is a front end to be circular insulation collar main body 1, insulation collar body interior is marked with non magnetic shaped framework coil 4, underloading coil 3 and induction power supply coil 2, and non magnetic shaped framework coil, underloading coil and induction power supply coil are connected with photoelectric transformer 6 on the insulation collar main body respectively; Collar main body circular central is provided with electric conductor 5, electric conductor passes non magnetic shaped framework coil, underloading coil and induction power supply coil and is connected with low resistance 15, the low resistance other end is connected with high-tension resistive 14 with photoelectric transformer, and the high-tension resistive other end is connected with ground terminal 12; Be connected with thermal detector 16 on the photoelectric transformer, detected temperatures is touched at the thermal detector other end and external detection position; Photoelectric transformer is inner to be connected with infrared transmitting tube 7, infrared transmitting tube is to there being an air gap channel 8, infrared transmitting tube is connected with optical fiber 9, and optical fiber passes air gap channel and is connected with fiber-optical socket 10, and fiber-optical socket is connected with the monitoring means of outside by the Optical fiber plug that has optical fiber implements monitoring; In the air gap channel bottom radiovoltaic generator 13 is housed, radiovoltaic generator is connected with external power source by input terminal 11 implements power supply.
Claims (4)
1. the structure of a high voltage photo-electric temperature current voltage compound sensor, it is characterized in that: have a front end to be circular insulation collar main body, insulation collar body interior is marked with non magnetic shaped framework coil, underloading coil and induction power supply coil, and non magnetic shaped framework coil, underloading coil and induction power supply coil are connected with photoelectric transformer on the insulation collar main body respectively; Insulation collar main body circular central is provided with electric conductor, electric conductor passes non magnetic shaped framework coil, underloading coil and induction power supply coil and is connected with low resistance, the low resistance other end is connected with high-tension resistive with photoelectric transformer, and the high-tension resistive other end is connected with ground terminal; Be connected with thermal detector on the photoelectric transformer, the thermal detector other end and external detection position are touched; Photoelectric transformer is inner to be connected with infrared transmitting tube, infrared transmitting tube is to there being an air gap channel, infrared transmitting tube is connected with optical fiber, and optical fiber passes air gap channel and is connected with fiber-optical socket, and fiber-optical socket is connected with the monitoring means of outside by the Optical fiber plug that has optical fiber; In the air gap channel bottom radiovoltaic generator is housed, radiovoltaic generator is connected with external power source by input terminal.
2. the structure of a kind of high voltage photo-electric temperature current voltage compound sensor according to claim 1 is characterized in that: the optical fiber that described infrared transmitting tube connects or adopt directly is embedded in the insulation collar main body, is connected on the outside monitoring means.
3. the structure of a kind of high voltage photo-electric temperature current voltage compound sensor according to claim 1 is characterized in that: described insulation collar main body axially has perpendicular with the infrared light transmission direction and parallels two kinds at it.
4. the structure of a kind of high voltage photo-electric temperature current voltage compound sensor according to claim 1, it is characterized in that: temperature, electric current, voltage three structure in the described high voltage photo-electric temperature current voltage compound sensor are combination in any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220361107 CN203163768U (en) | 2012-07-20 | 2012-07-20 | Structure of high voltage photoelectric temperature current and voltage complex sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220361107 CN203163768U (en) | 2012-07-20 | 2012-07-20 | Structure of high voltage photoelectric temperature current and voltage complex sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203163768U true CN203163768U (en) | 2013-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220361107 Expired - Fee Related CN203163768U (en) | 2012-07-20 | 2012-07-20 | Structure of high voltage photoelectric temperature current and voltage complex sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203163768U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103575325A (en) * | 2012-07-20 | 2014-02-12 | 陈津 | High-voltage photoelectric temperature, current and voltage compound sensor structure |
-
2012
- 2012-07-20 CN CN 201220361107 patent/CN203163768U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103575325A (en) * | 2012-07-20 | 2014-02-12 | 陈津 | High-voltage photoelectric temperature, current and voltage compound sensor structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DD01 | Delivery of document by public notice |
Addressee: Chen Jin Document name: Notification to Go Through Formalities of Registration |
|
| 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: 20130828 Termination date: 20150720 |
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| EXPY | Termination of patent right or utility model |