CN103048556A - On-line monitoring device of lightning arrester of touch screen type switch cabinet with memory - Google Patents
On-line monitoring device of lightning arrester of touch screen type switch cabinet with memory Download PDFInfo
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- CN103048556A CN103048556A CN2012102319559A CN201210231955A CN103048556A CN 103048556 A CN103048556 A CN 103048556A CN 2012102319559 A CN2012102319559 A CN 2012102319559A CN 201210231955 A CN201210231955 A CN 201210231955A CN 103048556 A CN103048556 A CN 103048556A
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- lightning arrester
- switch cabinet
- collecting unit
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- control processor
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Abstract
The invention discloses an on-line monitoring device of a lightning arrester of a touch screen type switch cabinet with a memory. The on-line monitoring device comprises a voltage and current collecting unit (1), a discharging times collecting unit (2), a central control processor (3) and a display screen (4), wherein the voltage and current collecting unit (1) is connected with the lightning arrester (4) in the switch cabinet and a capacitor type post inductor (5) by wires, and the discharging times collecting unit (2) is connected with a switch contact of a large current discharge protection device (6) on the lightning arrester (4). The on-line monitoring device has the beneficial effects that a wireless module is adopted, and a worker can receive the action information of the lightning arrester through a receiving terminal; when the wireless module has a fault, the action records of the lightning arrester can be freely looked up through the touch screen, and the defect of unable displaying of all action information of the lightning arrester due to oversmall size of the display screen is overcome; and LEDs (light emitting diode) for electric indication are connected in parallel, so the indication can be still realized if one LED is damaged.
Description
Technical field
The present invention relates to a kind of monitoring device, particularly relate to tape storage touch-screen type switch cabinet lightning arrester on-Line Monitor Device.
Background technology
The 10KV-35KV high-tension switch cabinet is electrical equipment the most frequently used in the transformer station, all adopt at present lightning arrestor movement information in the outer display display case of cabinet, but the staff generally can frequently not record lightning arrestor movement information, and display can not show too many content, so the staff need to take out the storer reading information in the cabinet, seems pretty troublesome.
Summary of the invention
Purpose of the present invention namely is to overcome the deficiency of present technology, tape storage touch-screen type switch cabinet lightning arrester on-Line Monitor Device is provided, adopt wireless module, the staff can pass through a receiving terminal, receive lightning arrestor movement information, and when wireless module breaks down, by the touch-screen lightning-arrester action recording of can arbitrarily leafing through, can avoid because the too little defective that can not demonstrate the information of all lightning arrestor movements of display screen.
The present invention is achieved through the following technical solutions: tape storage touch-screen type switch cabinet lightning arrester on-Line Monitor Device is put; comprise the electric current and voltage collecting unit; the discharge time collecting unit; central control processor and display screen; lightning arrester and condenser type pillar inductor in the input end of described electric current and voltage collecting unit and the switch cubicle pass through connection; output terminal connects central control processor by data bus; the input end of discharge time collecting unit connects the switch contact of heavy-current discharge protective device on the lightning arrester; output terminal connects central control processor; display screen is connected on the central control processor; also be connected with a nonvolatile memory and wireless transmission unit on the described central control processor; described display screen is touch-screen, and the leakage current loop of described lightning arrester is also through the LED light emitting diode ground connection of at least two parallel connections.
Described display screen is arranged on outside the switch cabinet shell body.
Be provided with the insulation limit of protrusion around the described display screen, avoid in the operation finger to run into switch cubicle and cause getting an electric shock.
Also be in series with a current transformer between described LED light emitting diode and the lightning arrester, be used for reducing current protection LED light emitting diode.
Be provided with the gps time device in the described central control processor, for the discharge time collecting unit provides the time radix.
Described electric current and voltage collecting unit is used for gathering the electric current and voltage simulating signal, simultaneously simulating signal is carried out A/D sampling and conversion, and the data communication device after handling is crossed data bus and sent to central control processor; When lightning voltage or switching overvoltage during by lightning arrester, the heavy-current discharge protective device is with the excess current the earth of directly releasing, this moment, the switch contact of heavy-current discharge protective device was closed, the discharge time collecting unit then can gather this closure signal, and this closed action is converted into level signal is sent to central control processor; Central control processor is used for accepting the data of electric current and voltage collecting unit and processing, calculate total current effective value, current in resistance property value and the voltage effective value of lightning arrester, also record the precise time of lightning arrestor movement number of times and each action, these values are stored and are sent to display and show at last; The LED light emitting diode is lighted by the leakage current of lightning arrester, can be used for the electricity indication.
Display of the present invention is the concrete numerical value of the primary voltage of circuit outgoing line side equipment in real time; The time of lightning arrestor movement number of times and each action in can the display switch cabinet; Can the total current of automatic test lightning arrester and the time period of current in resistance property be set at touch-screen, and show the total current of each time period lightning arrester and the value of current in resistance property.
The invention has the beneficial effects as follows: adopt wireless module, the staff can pass through a receiving terminal, receives lightning arrestor movement information; And when wireless module breaks down, by the touch-screen lightning-arrester action recording of can arbitrarily leafing through, can avoid because the too little defective that can not demonstrate the information of all lightning arrestor movements of display screen; Be used on the LED light emitting diode of electricity indication still can indicating after a damage therein by a plurality of parallel connections, guaranteed effective test.
Description of drawings
Fig. 1 is structural representation of the present invention;
Among the figure, 1-electric current and voltage collecting unit, 2-discharge time collecting unit, 3-central control processor, 4-lightning arrester, 5-pillar inductor, 6-heavy-current discharge protective device, 7-LED light emitting diode, 8-display screen, 9-current transformer.
Embodiment
The present invention is described in further detail below in conjunction with embodiment, but structure of the present invention is not limited only to following examples:
[embodiment 1]
As shown in Figure 1; tape storage touch-screen type switch cabinet lightning arrester on-Line Monitor Device; comprise electric current and voltage collecting unit 1; discharge time collecting unit 2; central control processor 3 and display screen 8; lightning arrester 4 and condenser type pillar inductor 5 in the input end of described electric current and voltage collecting unit 1 and the switch cubicle pass through connection; output terminal connects central control processor 3 by data bus; the input end of discharge time collecting unit 2 connects the switch contact of the heavy-current discharge protective device 6 on the lightning arrester 4; output terminal connects central control processor 3; also be connected with a nonvolatile memory 10 and wireless transmission unit 11 on the described central control processor 3; display screen 8 is connected on the central control processor 3; described display screen 8 is touch-screen, and the leakage current loop of described lightning arrester is also through the LED of two parallel connections light emitting diode 7 ground connection.
Described display screen 8 is arranged on outside the switch cabinet shell body.
Be provided with the insulation limit of protrusion around the described display screen 8, avoid in the operation finger to run into switch cubicle and cause getting an electric shock.
Also be in series with a current transformer 9 between described LED light emitting diode 7 and the lightning arrester 4, be used for reducing current protection LED light emitting diode 7.
Be provided with the gps time device in the described central control processor 3, for the discharge time collecting unit provides the time radix.
Described electric current and voltage collecting unit 1 is used for gathering the electric current and voltage simulating signal, simultaneously simulating signal is carried out A/D sampling and conversion, and the data communication device after handling is crossed data bus and sent to central control processor 3; When lightning voltage or switching overvoltage during by lightning arrester 4, heavy-current discharge protective device 6 is with the excess current the earth of directly releasing, the switch contact of heavy-current discharge protective device 6 is closed at this moment, 2 of discharge time collecting units can gather this closure signal, and this closed action is converted into level signal is sent to central control processor 3; Central control processor 3 is used for accepting the data of electric current and voltage collecting unit 1 and processing, calculate total current effective value, current in resistance property value and the voltage effective value of lightning arrester, also record the precise time of lightning arrester 4 action frequencies and each action, last these values store in the nonvolatile memory 10, and send to display 8 and show; LED light emitting diode 7 is lighted by the leakage current of lightning arrester 4, can be used for the electricity indication.
The staff transmits a signal to wireless communication unit 11 by a hand-held receiving terminal, wireless communication unit is given to central control processor 3 after receiving signal, central control processor 3 processing signals, in nonvolatile memory 10, extract corresponding data, send to hand-held receiving terminal by wireless communication unit 11 again, the staff can check the lightning arrester job record very easily.
When wireless communication unit 11 broke down, the staff can check display 3, the real-time concrete numerical value of the primary voltage of circuit outgoing line side equipment on the display 3 of present embodiment; The time of lightning arrester 4 action frequencies and each action in can the display switch cabinet; Can the total current of automatic test lightning arrester 4 and the time period of current in resistance property be set at touch-screen, and show the total current of each time period lightning arrester 4 and the value of current in resistance property.
Claims (5)
1. tape storage touch-screen type switch cabinet lightning arrester on-Line Monitor Device; comprise electric current and voltage collecting unit (1); discharge time collecting unit (2); central control processor (3) and display screen (8); lightning arrester (4) and condenser type pillar inductor (5) in the input end of described electric current and voltage collecting unit (1) and the switch cubicle pass through connection; output terminal connects central control processor (3) by data bus; the input end of discharge time collecting unit (2) connects the switch contact of the heavy-current discharge protective device (6) on the lightning arrester (4); output terminal connects central control processor (3); display screen (8) is connected on the central control processor (3); it is characterized in that: also be connected with a nonvolatile memory (10) and wireless transmission unit (11) on the described central control processor (3); described display screen (8) is touch-screen, and the leakage current loop of described lightning arrester is also through the LED of at least two parallel connections light emitting diode (7) ground connection.
2. tape storage touch-screen type switch cabinet lightning arrester on-Line Monitor Device according to claim 1, it is characterized in that: described display screen (8) is arranged on outside the switch cabinet shell body.
3. tape storage touch-screen type switch cabinet lightning arrester on-Line Monitor Device according to claim 1 and 2 is characterized in that: the insulation limit that is provided with protrusion around the described display screen (8).
4. tape storage touch-screen type switch cabinet lightning arrester on-Line Monitor Device according to claim 1 is characterized in that: also be in series with a current transformer (9) between described LED light emitting diode (7) and the lightning arrester (4).
5. tape storage touch-screen type switch cabinet lightning arrester on-Line Monitor Device according to claim 1, it is characterized in that: described central control processor is provided with the gps time device in (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102319559A CN103048556A (en) | 2011-10-14 | 2012-07-06 | On-line monitoring device of lightning arrester of touch screen type switch cabinet with memory |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110311743 | 2011-10-14 | ||
| CN201110311743.7 | 2011-10-14 | ||
| CN2012102319559A CN103048556A (en) | 2011-10-14 | 2012-07-06 | On-line monitoring device of lightning arrester of touch screen type switch cabinet with memory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103048556A true CN103048556A (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102319559A Pending CN103048556A (en) | 2011-10-14 | 2012-07-06 | On-line monitoring device of lightning arrester of touch screen type switch cabinet with memory |
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| CN (1) | CN103048556A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107643441A (en) * | 2017-08-16 | 2018-01-30 | 芜湖市凯鑫避雷器有限责任公司 | A kind of electric ceramic lightning arrester is grounded high current alarm device |
| CN112147435A (en) * | 2020-09-02 | 2020-12-29 | 国网天津市电力公司 | Online detection device for lightning arrester in switch cabinet |
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| CN112147435A (en) * | 2020-09-02 | 2020-12-29 | 国网天津市电力公司 | Online detection device for lightning arrester in switch cabinet |
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Application publication date: 20130417 |