CN2859549Y - Inductive three-phase high voltage monitoring sensing unit - Google Patents
Inductive three-phase high voltage monitoring sensing unit Download PDFInfo
- Publication number
- CN2859549Y CN2859549Y CN 200520067296 CN200520067296U CN2859549Y CN 2859549 Y CN2859549 Y CN 2859549Y CN 200520067296 CN200520067296 CN 200520067296 CN 200520067296 U CN200520067296 U CN 200520067296U CN 2859549 Y CN2859549 Y CN 2859549Y
- Authority
- CN
- China
- Prior art keywords
- control circuit
- phase
- power supply
- monitor
- voltage
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Measurement Of Current Or Voltage (AREA)
Abstract
The utility model relates to an inductive three-phase high voltage monitoring sensing unit comprising a monitor and three identical sensors. The sensor comprises a probe, a bearing rod and a signal transmission line. Wherein the probe is fixed to the position with a given distance from high voltage electrified conductor by the bearing rod. The induced voltage connects with the monitor through the signal transmission line. The monitor installed in the metal case forms three-phase monitoring, comprising a connection terminal branch, a switching power supply, three master circuit boards, three number-showing control circuit boards, three numeral tubes and three indicator lights. The signal transmission lines of the sensors respectively enter into the case and connect with corresponding input ends of the master circuit boards. The outer power supply 80-265 V[AC/DC] connects with the switching power supply through the inner of the connection terminal branch. The output end of the switching power supply connects with the three-phase master circuit board and the number-showing control circuit board. Three numeral tubes and three indicator lights are respectively enchased into the panel of the case with their display respectively controlled by each phase master circuit board and the number-showing control circuit board. The advantages of the present utility model are: three sensors don't directly contact with high voltage electrical body, three probes installed in high voltage safe zone collect the high presure information in a non-contact electric induction manner, the electrified state of the three-phase electrical body and the three-phase voltage value are showed by the monitor. Meanwhile it can set a fiducial voltage value. When the phase reachs the fiducial value, the lock-up control signal is output by any phase and the three phases are locked at the same time, and 5 V[AC/DC] signals are provided to the microcomputer system for processing.
Description
Technical field
The utility model relates to a kind of induction type three-phase high-voltage monitoring sensor, be to use in the turnover line of the power transmission and transformation line of 40.5kV, 72.5kV, 126kV, 363kV and 550kV electric pressure and various high-tension apparatuses, gather information of voltage in non-contacting electro-induction mode, high-voltage charged body (high voltage bus) voltage in three phases is carried out real-time numerical value monitoring and demonstration; The output block signal; Export 5V simultaneously
AC/DCA kind of high voltage supervising device that signal is handled for microsystem.
Background technology
The charged demonstration blocking device of domestic and international existing three-phase high-voltage, its charged demonstration just show that whether charged electrified body is with the bright of pilot lamp with putting out, and have following deficiency: can not show actual voltage value when charged; When electrical network was unusual, pilot lamp can not truly reflect abnormal level.
Summary of the invention
The purpose of this utility model is to overcome deficiency of the prior art, provide a kind of antijamming capability strong, directly show the whether charged magnitude of voltage that reaches of three-phase electrified body with numeral, can truly reflect the electrical network unusual condition, can set the arbitrary voltage reference value of locking control signal of when certain magnitude of voltage, exporting as the locking control signal of system, when this reaches the magnitude of voltage of setting mutually, output locking control signal, carry out three-phase locking simultaneously, make relevant operating mechanism carry out mandatory locking, also exportable 5V
AC/DCThe induction-type high-voltage monitoring sensor that signal is handled for microsystem.
The technical solution of the utility model provides the induction type three-phase high-voltage monitoring sensor that a kind of interference resistance is strong, numeral shows.It is made up of with three identical sensors a monitor.Described sensor places the outside of monitor, sensor is by probe 2, the pole 3 of making of insulating material and have shielding action signal transmssion line 4 and form, described probe 2 is that hemisphere face and bottom are that the metal shell on the face of cylinder constitutes by the top, place the outside of the cabinet 1 of monitor respectively, be fixed on the position of high-pressure electrified conductor predetermined distance with pole 3, probe 2 voltages of being responded to are connected to monitor by signal transmssion line 4, and signal transmssion line 4 is drawn by the center pit of pole 3; Described monitor is assembled in and forms the three-phase supervision in the cabinet 1, by Switching Power Supply 5, three blocks of master control circuit plates 6, three digital display control circuit boards 7, connecting terminal block 8, three charactrons 9 and three pilot lamp 10 are formed, three charactrons 9 and three pilot lamp 10 are flush-mounted in respectively on the panel of cabinet 1, it shows is respectively controlled by the master control circuit plate 6 and the digital display control circuit board 7 of each phase, described connecting terminal block 8 is the converting interface that the signal of monitor and three-phase sensor is connected, it also is the converting interface of power supply input and three-phase locking output, connecting terminal block 8 external three sensors, each sensor signal transmission line 4 is by being connected to each corresponding master control circuit plate 6,110V in the connecting terminal block 8
AC/DCOr 220V
AC/DCExternal power is by being connected to the input end of Switching Power Supply 5 in the connecting terminal block 8, connect the master control circuit plate 6 and the digital display control circuit board 7 of three-phase in Switching Power Supply 5 output terminals, the locking output terminal of the master control circuit plate 6 of each phase exports corresponding interlocking mechanism to by connecting terminal block 8.Connecting terminal block 8 meets signal input part, the working power input end of three-phase, the locking output terminal and the 5V of three-phase respectively
AC/DCSignal output part.
The utility model adopts A/D conversion integration block, the integrated compensating module of thick film and specially designed anti-interference circuit and the demonstration circuit that makes zero, make its interference resistance strong, can show respectively that whether charged the three-phase electrified body is, and show its magnitude of voltage respectively with numeral, error is in 5% scope; Can set the arbitrary voltage reference value of locking control signal of when certain magnitude of voltage, exporting as the locking control signal of system, when this reaches the magnitude of voltage of setting mutually, output locking control signal is carried out three-phase locking simultaneously, and associative operation mechanism is carried out mandatory locking; Also exportable simultaneously 5V
AC/DCDo information processing for microsystem.
The utility model has the advantages that: indicate the three-phase electrified body whether charged respectively by monitor, and difference shows that directly the actual voltage value of three-phase is with the unusual truth of reflection electrical network; Set the arbitrary voltage reference value of locking control signal of when certain magnitude of voltage, exporting as the locking control signal of system, when this reaches the magnitude of voltage of setting mutually, output locking control signal is carried out three-phase locking simultaneously, and relevant operating mechanism is carried out mandatory locking; Exportable 5V
AC/DCDo information processing for microsystem; The adaptability of Switching Power Supply is strong, and operating voltage range all can at 80～265V AC and DC electricity power supply; All sensors all directly do not contact with high-voltage charged body, are installed in respectively in the high-voltage safety district, gather high voltage information in contactless electro-induction mode, and sensor can be installed at the scene under the charged condition of primary system.
Description of drawings
Fig. 1 is the structural representation of the utility model induction type three-phase high-voltage monitoring sensor;
Fig. 2 is the structural representation of monitor;
Fig. 3 is master control circuit plate and locking control circuit board functional-block diagram.
Among the figure, 1-metal cabinet, 2-probe, 3-pole, 4-signal transmssion line, 5-Switching Power Supply, 6-master control circuit plate, 7-digital display control circuit board, 8-connecting terminal block, 9-charactron, 10-pilot lamp.
Embodiment
The utility model will be further described below in conjunction with accompanying drawing.
As shown in Figure 1, be structural representation of the present utility model, it is made up of with three identical sensors a monitor.Described sensor places the outside of monitor, sensor is by probe 2, the pole 3 of making of insulating material and have shielding action signal transmssion line 4 and form, described probe 2 is that hemisphere face and bottom are that the metal shell on the face of cylinder constitutes by the top, place the outside of the cabinet 1 of monitor, be fixed on the position of high-pressure electrified conductor predetermined distance with pole 3, probe 2 voltages of being responded to are connected to monitor by signal transmssion line 4, and signal transmssion line 4 is drawn by the center pit of pole 3; Described monitor is assembled in and forms the three-phase supervision in the cabinet 1, form by Switching Power Supply 5, three blocks of master control circuit plates 6, three digital display control circuit boards 7, connecting terminal block 8, three charactrons 9 and three pilot lamp 10, described connecting terminal block 8 is the converting interface that the signal of monitor and three sensors is connected, it also is the converting interface of power supply input and three-phase locking output, the signal transmssion line 4 of every phase sensor is by being connected to the master control circuit plate 6 of each phase, 110V in the connecting terminal block 8
AC/DCOr 220V
AC/DCExternal power is by being connected to the input end of Switching Power Supply 5 in the connecting terminal block 8, connect the master control circuit plate 6 and the digital display control circuit board 7 of three-phase in Switching Power Supply 5 output terminals, the locking output terminal of the master control circuit plate 6 of each phase exports corresponding interlocking mechanism to by connecting terminal block 8, and output 5V
AC/DCSignal to microsystem is handled.Connecting terminal block 8 meets signal input part, the working power input end of three-phase, the locking output terminal and the 5V of three-phase respectively
AC/DCSignal output part.
As shown in Figure 2, be the structural representation of monitor, monitor is made up of cabinet 1, Switching Power Supply 5, three blocks of master control circuit plates 6, three digital display control circuit boards 7, connecting terminal block 8, three charactrons 9 and three pilot lamp 10.The master control circuit plate 6 of Switching Power Supply 5, three-phase and digital display control circuit board 7 place and are assembled into the three-phase supervision in the cabinet 1.Connecting terminal block 8 is the converting interface that the signal of monitor and three-phase sensor is connected, and also is the converting interface that power supply input and three-phase locking are exported.The signal transmssion line 4 and the 110V of connecting terminal block 8 external three-phase sensors
AC/DCOr 220V
AC/DCPower supply, and three-phase locking output terminal and 5V
AC/DCOutput terminal.Connect the master control circuit plate 6 and the digital display control circuit board 7 of three-phase in the output terminal of Switching Power Supply 5.1 of the master control circuit plate 6 external cabinet of each phase are gone up corresponding pilot lamp 10, and 1 of the digital display control circuit board 7 external cabinet of three-phase are gone up corresponding charactron 9.Described Switching Power Supply 5 is made up of the Switching Power Supply integrated package, is applicable to that operating voltage range in 80V～265V AC and DC electricity use, is applicable to the power supply system that countries in the world are all.
As shown in Figure 3; functional-block diagram for monitor; by three blocks of master control circuit plates 6 with the protection of overvoltage and lightning impulse and have amplifications, the anti-interference and three digital display control circuit boards 7 controlling that make zero constitute; adopt A/D conversion integration block, the integrated compensating module of thick film and specially designed anti-interference circuit and the demonstration circuit that makes zero, make its interference resistance strong.
Claims (5)
1, a kind of induction-type high-voltage monitoring sensor, it is made up of monitor and sensor, described sensor is by probe (2), pole (3) of making of insulating material and the signal transmssion line (4) with shielding action are formed, described probe (2) is that hemisphere face and bottom are that the metal shell on the face of cylinder constitutes by the top, device is outside the cabinet (1) of monitor, be fixed on the position of high-pressure electrified conductor predetermined distance with pole (3), the voltage that probe (2) is responded to is connected to monitor by signal transmssion line (4), and signal transmssion line (4) is drawn by the center pit of pole (3); Described monitor is assembled in the cabinet (1), by Switching Power Supply (5), master control circuit plate (6), connecting terminal block (8) and pilot lamp (10) are formed, described connecting terminal block (8) is the converting interface that the signal of monitor and sensor is connected, it also is the converting interface of power supply input and locking output, connecting terminal block (8) but external sensor, sensor signal transmission line (4) is by being connected to master control circuit plate (6) in the connecting terminal block (8), external power is by being connected to the input end of Switching Power Supply (5) in the connecting terminal block (8), it is characterized in that: digital display control circuit board (7) and charactron (9) are installed in the cabinet of described monitor (1), charactron (9) and pilot lamp (10) are flush-mounted on cabinet (1) panel, it shows by master control circuit plate (6) and digital display control circuit board (7) control, connect master control circuit plate (6) and digital display control circuit board (7) in described Switching Power Supply (5) output terminal, described master control circuit plate (6) outputs signal to digital display control circuit board (7) and charged pilot lamp.
2, a kind of induction-type high-voltage monitoring sensor according to claim 1 is characterized in that: the locking output terminal of described master control circuit plate (6) is exported block signal to blocking mechanism by connecting terminal block (8).
3, a kind of induction-type high-voltage monitoring sensor according to claim 1 is characterized in that: the exportable 5V of described master control circuit plate (6)
AC/DCSignal is handled for microsystem.
4, a kind of induction-type high-voltage monitoring sensor according to claim 1 is characterized in that: described Switching Power Supply (5) is applicable to that operating voltage range is at 80～265V AC and DC electricity power supply.
5, a kind of induction-type high-voltage monitoring sensor according to claim 1, it is characterized in that: described sensor probe (2) is installed in the high-voltage safety district, gathers high voltage information in contactless electro-induction mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520067296 CN2859549Y (en) | 2005-11-17 | 2005-11-17 | Inductive three-phase high voltage monitoring sensing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520067296 CN2859549Y (en) | 2005-11-17 | 2005-11-17 | Inductive three-phase high voltage monitoring sensing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2859549Y true CN2859549Y (en) | 2007-01-17 |
Family
ID=37612408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520067296 Expired - Fee Related CN2859549Y (en) | 2005-11-17 | 2005-11-17 | Inductive three-phase high voltage monitoring sensing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2859549Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101251594B (en) * | 2008-04-03 | 2011-04-06 | 北京航空航天大学 | Bidirectional ranging and time comparison process terminal |
-
2005
- 2005-11-17 CN CN 200520067296 patent/CN2859549Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101251594B (en) * | 2008-04-03 | 2011-04-06 | 北京航空航天大学 | Bidirectional ranging and time comparison process terminal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209150714U (en) | One or two fusion intelligent breakers based on full electronic mutual inductor | |
| CN110646663A (en) | Primary and secondary depth fusion combined sensor for vacuum circuit breaker | |
| CN103675535A (en) | High-tension transmission line power frequency parameter testing and testing connection switching integrated device | |
| CN202330555U (en) | Harmonic detection circuit device | |
| CN201569508U (en) | Temperature rise monitoring and analyzing device of high-pressure equipment | |
| CN2859549Y (en) | Inductive three-phase high voltage monitoring sensing unit | |
| CN201852875U (en) | Online detection device for inductive voltage and circulating current of medium-voltage and high-voltage single-conductor cross-linked cable | |
| CN101873012A (en) | 24kv box type transformer substation monitoring system | |
| CN203630241U (en) | All-in-one device for testing power frequency parameters and switching test line for high-voltage power transmission line | |
| CN2859548Y (en) | Inductive high voltage monitoring sensing unit | |
| CN204030294U (en) | A kind of user side Intelligent operation control device of switch cabinet | |
| CN104682554A (en) | Intelligent power distribution monitoring cabinet | |
| CN103441438A (en) | On-load capacitance regulating box-type transformer substation | |
| CN204633477U (en) | A kind of precision intelligence alternating current-direct current distributing monitoring system | |
| CN211291959U (en) | Cubical switchboard mechanical properties intelligent monitoring device based on it is wireless passive | |
| CN203117268U (en) | Power cable multi-working-condition on-line detection system | |
| CN101714755B (en) | Separated outdoor high-voltage switch | |
| CN205882431U (en) | Put cabinet in intelligent high pressure | |
| CN207053400U (en) | Switch power supply equipment and system | |
| CN201349122Y (en) | Power distribution transformer protection device | |
| CN106602546A (en) | 110kv step-down substation electrical primary system | |
| CN111293675A (en) | Fusion type power transmission line fault isolation device | |
| CN203490061U (en) | Online monitoring device for mechanical properties | |
| CN204068406U (en) | A kind of Waste Heat Power Station direct current system | |
| CN213581299U (en) | Low-voltage distribution network fault indicator |
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: 20070117 Termination date: 20131117 |