CN100568653C - Safety alarm device for power line - Google Patents
Safety alarm device for power line Download PDFInfo
- Publication number
- CN100568653C CN100568653C CNB2006100872320A CN200610087232A CN100568653C CN 100568653 C CN100568653 C CN 100568653C CN B2006100872320 A CNB2006100872320 A CN B2006100872320A CN 200610087232 A CN200610087232 A CN 200610087232A CN 100568653 C CN100568653 C CN 100568653C
- Authority
- CN
- China
- Prior art keywords
- power line
- power
- power supply
- control unit
- signal
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
Abstract
A kind of safety alarm device for power line comprises: a power induction device is to be connected in power line and to use on the electric power loop of electric loading, to detect the power supply status of power line; One control unit is the output that is connected to the power induction device, and is to obtain the power supply status on the power line, normal to judge present power line power supply; One power line communication modulator-demodulator is to be connected to control unit, obtaining the judged result of control unit, and judged result is converted to digital signal; One power supply signal coupling circuit is to be connected to power line communication modulator-demodulator and power line, so that digital signal is loaded in the ac supply signal, digital signal is externally transmitted by power line.After the present invention will judge the present power supply state of power line, anti-judged result is sent to again and monitors end, to reach the effect of supervision by power line; When judging abnormal electrical power supply, send alarm signal, the prompting indoor occupant is noted.
Description
Technical field
The present invention relates to a kind of for the alarming device that detects power line.
Background technology
Whole framework with indoor use AC power be it seems, can at detect with electricity condition nothing more than the electric equipment products that are electrical load, yet be not that most electric equipment products are provided with the abnormity of power supply cut-out function, so harm household safety is still arranged often because of the accident that electric wire cocks off takes place for electrical equipment improper use or overload.
Though present most of household's distribution box is provided with fuse as last line of defense, if fuse is really because of the overload overcurrent blows, then power line will not have AC power, and all electric equipment products thereby stop.In addition, fuse does not have the initiatively function of communication, after often the household will check by the time that the guarantor who opens circuit removes silk, could understand the reason that electric equipment products can't be used.For the household, there is no early warning or initiatively point out the function of overload cut out.Except general household, with regard to the hospital building, need to have the ability of emergency treatment civil power interruption especially, before non-firm power exhausts, to recover electric power, therefore how to react the electric main power supply state fast and clearly, be to belong to an important techniques.
Summary of the invention
Technical problem underlying to be solved by this invention is, overcomes the above-mentioned defective that prior art exists, and a kind of alarming device of energy active reaction civil power power line power supply state is provided, and it independently is installed on the power line, and the user can conveniently be used.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of safety alarm device for power line is characterized in that, comprising:
One power induction device is to be connected in power line and to use on the electric power loop of electric loading, to detect the power supply status of this power line;
One control unit is the output that is connected to this power induction device, and is to obtain the power supply status on the power line, normal to judge present power line power supply;
One power line communication modulator-demodulator (PLC Modem; Power Line CommunicationModem), be to be connected to this control unit, obtaining the judged result of this control unit, and this judged result is converted to digital signal;
One power supply signal coupling circuit is to be connected to this power line communication modulator-demodulator and power line, so that this digital signal is loaded in the ac supply signal, this digital signal is externally transmitted by power line.
Aforesaid safety alarm device for power line, wherein control unit is the control end that further connects a disconnect, this disconnect is to be serially connected with on the power line.
Aforesaid safety alarm device for power line, wherein further include a direct current power-switching circuit, it is connected to this power line, so that ac supply signal is converted to dc power signal, provides and gives described control unit and power line communication modulator-demodulator working power.
Aforesaid safety alarm device for power line wherein includes an alarm unit, and it is connected to the output of described control unit.
Aforesaid safety alarm device for power line, wherein the power induction device can be a watt hour meter.
Aforesaid safety alarm device for power line, wherein warning the unit is a sound attention device.
Aforesaid safety alarm device for power line, wherein warning the unit is a light attention device.
Above-mentioned safety alarm device for power line is a power supply state of mainly obtaining present power line by this power induction device, and via control unit and power line communication modulator-demodulator, after power supply state is treated to the numerical data package, digitalized data is loaded in the ac supply signal of power line by this power supply signal coupling circuit, so can be obtained the back and be captured this numerical data package for the power line communication gateway (PLC Gateway) that is connected to power line equally, further offer main frame again and monitor, and can take appropriate measures early.
The invention has the beneficial effects as follows that it independently is installed on the power line, the user can conveniently be used.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the schematic diagram that the present invention is connected with power line.
Fig. 2 is the calcspar of the present invention's first preferred embodiment.
Fig. 3 is the calcspar of the present invention's second preferred embodiment.
Fig. 4 is the calcspar of the present invention's the 3rd preferred embodiment.
The number in the figure explanation:
10,10a, 10b safety alarm device for power line
11 power induction devices
12 control units
13 power line communication modulator-demodulators
14 power supply signal coupling circuits
15 disconnects
16 alarm unit
17 direct-current power supply converting circuits
20 power lines
30 electrical load ends
40 power line communication gateways
41 modulator-demodulators
50 main frames
Embodiment
At first see also shown in Figure 1, be safety alarm device for power line 10 of the present invention, it is to be connected on the electric power loop of power line 20 and electrical load end 30, can be independent of each electrical load end 30 and be connected with power line 20, behind the present power supply state of judging power line 20, instead by this power line 20 judged result is sent to and monitors end, this supervision end can be a main frame 50, power line communication gateway 40, modulator-demodulator 41 etc.
Please cooperate and consult shown in Figure 2ly, be safety alarm device for power line 10 first preferred embodiments of the present invention, it includes:
One power induction device 11 is to be connected in this power line 20 and to use on the electric power loop of electric loading, to detect the power supply status of this power line; This power induction device 11 can be a watt hour meter;
One control unit 12 is the outputs that are connected to this power induction device 11, to obtain the power supply status on the power line 20, judges that present power line 20 power supplies are normal;
One power line communication modulator-demodulator 13 is to be connected to this control unit 12, obtaining the judged result of this control unit 12, and this judged result is converted to the numerical data package;
One power supply signal coupling circuit 14 is to be connected to this power line communication modulator-demodulator 13 and power line 20, so that this numerical data package is loaded in the ac supply signal, it is externally transmitted by power line 20.
Above-mentioned power induction device 11 is in order to power supply state on the reaction power line 20, and handled after being obtained by this control unit 12, and be sent to this power line communication modulator-demodulator 13, give exporting this power supply signal coupling circuit 14 to behind the packetized by the data of this power line communication modulator-demodulator 13 with this power supply state, this power supply signal coupling circuit 14 is the ac supply signals that this numerical data package loaded power line 20, as shown in Figure 1, this ac supply signal that contains the numerical data package is obtained on another power line communication gateway road 40 of being connected with this power line 20 of order, and then after wherein the numerical data package takes out, change and be sent to the main frame 50 that directly is connected or passes through modulator-demodulator 41 connections with this power line communication gateway 40, this main frame 50 can in have and judge the unusual program of mains-supplied, in case after obtaining the power supply data of power line 20, can be stored analysis, be reached the effect of supervision.
See also shown in Figure 3, be safety alarm device 10a second preferred embodiment of the present invention, design is identical mostly with first preferred embodiment for it, and further include a disconnect 15, its control end is to be connected to this control unit 12, when this control unit 12 is obtained the power supply state of power line by this power induction device 11, can judge at first whether this power supply state is normal, then export one if not and control signal to this disconnect 15, because this disconnect 15 is to be serially connected with on this power line 20, therefore when the control end of disconnect 15 is obtained the control signal of being exported by control unit 13, promptly be open-circuit condition, make this power line 20 interruption of power supply, so, can guarantee Electrical Safety immediately.
See also shown in Figure 4ly again, be the 3rd preferred embodiment of safety alarm device 10b of the present invention, its structure with second preferred embodiment is identical, and present embodiment further includes:
One direct current power-switching circuit 17, it is to be connected to this power line 20, so that ac supply signal is converted to dc power signal, offers this control unit 12 and power line communication modulator-demodulator 13 working powers;
One alarm unit 16 is the outputs that are connected to this control unit 12, and it can be sound or light attention device.
When control unit 13 judged that present power line 20 power supply states are unusual, except that controlling this disconnect 15 immediately with power line 20 interruption of power supply, this control unit 12 was more controlled alarm unit 16 actions, and prompting indoor occupant abnormal electrical power supply is taked corresponding measure early.
As shown in the above description, safety alarm device of the present invention can directly be connected with power line, the power supply state of this power line of independent judgment is normally denied, its judged result can relend by this power line and data is sent to the power line communication gateway that is connected with this power line, and data are sent to supervision end main frame, reach the purpose of monitoring.In addition, safety alarm device of the present invention more provides the function that initiatively opens circuit and warn, promptly detect present power line power supply state when unusual as the present invention, promptly can make the power line interruption of power supply, and send alarm signal, make indoor occupant take measures early, get rid of the reason that makes power breakdown, guarantee Electrical Safety.
Claims (5)
1. a safety alarm device for power line is characterized in that, comprising:
One power induction device is to be connected in power line and to use on the electric power loop of electric loading, to detect the power supply status of this power line;
Whether one control unit is the output that is connected to this power induction device, to obtain the power supply status on the power line, normal to judge present power line power supply;
One power line communication modulator-demodulator is to be connected to this control unit, obtaining the judged result of this control unit, and this judged result is converted to digital signal;
One power supply signal coupling circuit is to be connected to this power line communication modulator-demodulator and power line, so that this digital signal is loaded in the ac supply signal, this digital signal is externally transmitted by power line;
One disconnect, be to be serially connected with on the power line, its control end is to be connected to this control unit, when this control unit is obtained the power supply state of power line by this power induction device, judge whether this power supply state is normal, if power supply state is undesired then to be exported one and control signal to this disconnect, this disconnect promptly is open-circuit condition, makes this power line interruption of power supply;
One direct current power-switching circuit, it is connected to this power line, so that ac supply signal is converted to dc power signal, offers described control unit and power line communication modulator-demodulator working power.
2. safety alarm device for power line according to claim 1 is characterized in that including an alarm unit, and it is connected to the output of described control unit.
3. safety alarm device for power line according to claim 1 and 2 is characterized in that described power induction device is a watt hour meter.
4. safety alarm device for power line according to claim 2 is characterized in that described alarm unit is a sound attention device.
5. safety alarm device for power line according to claim 2 is characterized in that described alarm unit is a light attention device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW095209579U TWM309105U (en) | 2006-06-02 | 2006-06-02 | Safety warning equipment for power line |
| CNB2006100872320A CN100568653C (en) | 2006-06-02 | 2006-06-14 | Safety alarm device for power line |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW095209579U TWM309105U (en) | 2006-06-02 | 2006-06-02 | Safety warning equipment for power line |
| CNB2006100872320A CN100568653C (en) | 2006-06-02 | 2006-06-14 | Safety alarm device for power line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101090198A CN101090198A (en) | 2007-12-19 |
| CN100568653C true CN100568653C (en) | 2009-12-09 |
Family
ID=50156502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100872320A Expired - Fee Related CN100568653C (en) | 2006-06-02 | 2006-06-14 | Safety alarm device for power line |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN100568653C (en) |
| TW (1) | TWM309105U (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201130199A (en) * | 2010-02-26 | 2011-09-01 | xian-chang Ye | Short-circuit prevention device |
| TWI421515B (en) * | 2010-11-26 | 2014-01-01 | Chroma Ate Inc | Method and carrier for detecting open circuit |
| TWI480558B (en) | 2012-02-03 | 2015-04-11 | Ind Tech Res Inst | Power line communication detecting system and method thereof |
| CN105655990A (en) * | 2014-10-23 | 2016-06-08 | 国家电网公司 | Transmission line safety warning device |
| CN105388381B (en) * | 2015-12-10 | 2019-06-21 | 国网北京市电力公司 | The monitoring system of power supply state |
| TWI638500B (en) * | 2016-08-31 | 2018-10-11 | 威盛電子股份有限公司 | Charging apparatus and cable and e-marker chip threreof |
-
2006
- 2006-06-02 TW TW095209579U patent/TWM309105U/en not_active IP Right Cessation
- 2006-06-14 CN CNB2006100872320A patent/CN100568653C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| TWM309105U (en) | 2007-04-01 |
| CN101090198A (en) | 2007-12-19 |
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