CN201946069U - Bell device based on electric carrier waves - Google Patents
Bell device based on electric carrier waves Download PDFInfo
- Publication number
- CN201946069U CN201946069U CN2011200500057U CN201120050005U CN201946069U CN 201946069 U CN201946069 U CN 201946069U CN 2011200500057 U CN2011200500057 U CN 2011200500057U CN 201120050005 U CN201120050005 U CN 201120050005U CN 201946069 U CN201946069 U CN 201946069U
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- Prior art keywords
- bell
- power carrier
- ringing
- electric
- modem
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Abstract
A bell device based on electric power carrier waves comprises a control unit and a first electric power carrier wave modem which are connected sequentially. The first electric carrier wave modem is connected with a plurality of second electric power carrier wave modems through electric power circuits, and each second electric carrier wave modem is connected with an electric bell. The bell device transfers bell information through three-phase electric power circuits, therefore users do not need to distribute special control lines, and the bell device has good expandability, low cost and is easy to produce in a large scale.
Description
Technical field
The utility model relates to a kind of device of ringing a bell based on the power line carrier, PLC technology, need not to electric bell connects up specially, can send the information of ringing a bell by line of electric force, the electric bell jingle bell of control far-end.
Background technology
School, factory generally all unify work and rest by the system of ringing a bell.Existing Belling apparatus system is divided into two kinds: 1) connect Belling apparatus and electric bell with private cable, control electric bell by Belling apparatus to the mode of private cable power supply, outage.Its shortcoming is to be each electric bell private cable of arranging, the cable wiring manufacture difficulty, and in the relatively large school in teaching district, the system of ringing a bell is difficult to centralized management.2) Belling apparatus by wireless signal to electric bell the transmission information of ringing a bell, its shortcoming is that the electric bell command range is limited, and is with high costs, poor anti jamming capability.
The utility model content
In order to overcome above-mentioned problems of the prior art, the purpose of this utility model provides a kind of device of ringing a bell based on power carrier, need not the private cable of arranging, and by the ordinary power line transmission information of ringing a bell, can grow distance control electric bell, and antijamming capability is strong.
For achieving the above object, the technical scheme that the utility model adopted is, the device of ringing a bell based on power carrier, comprise the control module 1 and first power carrier modem 2 that link to each other successively, first power carrier modem 2 is connected with a plurality of second power carrier modems 3 respectively by power circuit, and each second power carrier modem 3 all is connected with an electric bell 4.
Control module 1 adopts the PIC16F627A single-chip microcomputer.
First power carrier modem 2 is identical with the structure of second power carrier modem 3.
The utility model device of ringing a bell adopts power carrier modem that the information of ringing a bell is coupled on the common three-phase power line; by the three-phase power line transmission information of ringing a bell; the information of ringing a bell of the transmission of the power carrier modem demodulation three-phase power line by receiving end again; control electric bell jingle bell; and this information of ringing a bell passed to next power carrier modem; all electric bells form network by specialized protocol on line of electric force; extensibility is good; and be not required to be the electric bell special control line of arranging; with low cost, be convenient to scale.
Description of drawings
Fig. 1 is the ring a bell structural representation of device of the utility model.
Fig. 2 is the ring a bell circuit theory diagrams of power carrier modem in the device of the utility model.
Fig. 3 is the ring a bell use principle figure of device of the utility model.
Among the figure, 1. control module, 2. first power carrier modem, 3. second power carrier modem, 4. electric bell, 5. Belling apparatus.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Need special wiring, constructional difficulties for overcoming the existing system of ringing a bell, or poor anti jamming capability, problem such as with high costs.The utility model provides a kind of device of ringing a bell that transmits the information of ringing a bell by line of electric force, the structure of this device of ringing a bell, as shown in Figure 1, comprise control module 1, control module 1 is electrically connected with first power carrier modem 2, and first power carrier modem 2 is electrically connected with a plurality of second power carrier modems 3 respectively; Each second power carrier modem 3 all is connected with an electric bell 4.The control module 1 and first power carrier modem 2 constitute Belling apparatus 5.
Control module 1 adopts the PIC16F627A single-chip microcomputer, is used to produce all kinds of information of ringing a bell.
First power carrier modem 2 is identical with the structure of second power carrier modem 3.Their fundamental diagram, as shown in Figure 2, voltage is by the input end P2 of 220V line of electric force input power carrier modem, shunt via voltage dependent resistor (VDR) VR1, voltage dependent resistor (VDR) VR1 one termination fuse F1, the input end of the filtering circuit that the 5th capacitor C 5 of another termination parallel connection of voltage dependent resistor (VDR) VR1 and the 6th resistance R 6 are formed, the output termination transformer T1 of this filtering circuit, the other end of fuse F1 also joins with transformer T1.The voltage of input is after transformer T1 pressure regulation, and again through 2 filtering of second capacitor C, transient voltage suppresses the protection of diode TVS1 transient overvoltage and enters the A point, and above-mentioned each device constitutes power carrier detuner first half circuit.At the A point, voltage is divided into two-way, one road voltage is through the 13 capacitor C 13 of series connection and the 7th resistance R 7 once more after the filtering, by the 6th diode D6 of parallel connection and the limit volt network of the 7th diode D7 composition, after the 15 capacitor C 15 of parallel connection and the 14 inductance L 4 Filtering Processing, enter power carrier modem chip BWP08A, finish the power line signal demodulation function.Another road voltage then is the power carrier modulating unit, this unit produces modulation signal by power carrier modem chip BWP08A, export the bleeder circuit of the 4th resistance R 4 and the 3rd resistance R 3 compositions to by power carrier modem chip pin VO, after the 4th capacitor C 4 and 1 filtering of first inductance L of parallel connection, enter by first capacitor C 1 by second resistance R 2, second capacitor C 6, first resistance R 1, the 5th resistance R 5, the first diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4, the push-pull type amplifying circuit that the second triode Q2 and the 3rd triode Q3 form, an end of an end of first capacitor C 1 and the 6th capacitor C 6 joins with second resistance R 2 respectively in this push-pull type amplifying circuit, one end of another termination first resistance R 1 of first capacitor C 1, the end of the other end connecting resistance R5 of the 6th capacitor C 6; The other end of first resistance R 1 is connected with the positive pole of the first diode D1 and the base stage of the second triode Q2 respectively; The negative pole of the first diode D1 connects respectively+emitter of 12V voltage and the second triode Q2.The other end of the 5th resistance R 5 connects the base stage of negative pole and the 3rd triode Q3 of the 4th diode D4 respectively; The collector of the positive pole of the 4th diode D4 and the 3rd triode Q3 is ground connection AGND respectively; The emitter of the 3rd triode Q3 links to each other with the collector of the second triode Q2, and is connected with the base stage of the first triode Q1 and the base stage of the 4th triode Q4 simultaneously; The emitter of the first triode Q1 connects+12V voltage, the grounded collector of the 4th triode Q4; The collector of the first triode Q1 joins with the emitter of the 4th triode Q4, the positive pole of the second diode D2, the negative pole of the 3rd diode D3 and an end of the 3rd capacitor C 3 respectively; The negative pole utmost point of the second diode D2 connects+12V voltage, the plus earth AGND of the 3rd diode D3, the other end of the 3rd capacitor C 3 inserts the A point, modulation signal is loaded into carrier signal on the line of electric force by above-mentioned power carrier detuner first half circuit is reverse to A point back, and then finishes the modulation of power carrier signal.
Choose the electric bell 4 of respective numbers according to the actual needs of ringing a bell, each electric bell 4 all disposes one second power carrier modem 3, receive a plurality of second power carrier modems 3 on the three-phase power line respectively again, each second power carrier modem 3 connects an electric bell 4 respectively, by specialized protocol each electric bell 4 is formed a network, as shown in Figure 3, control module 1 in the Belling apparatus 5 produces all kinds of solicited messages of ringing a bell, and the solicited message of ringing a bell that will produce is passed to the solicited message of ringing a bell that first power carrier modem, 2, the first power carrier modems 2 will receive and is coupled on the three-phase power line; This solicited message of ringing a bell passes to first second power carrier modem 3 by three-phase power line, the solicited message of ringing a bell that first second power carrier modem 3 will receive is carried out demodulation, and is attached thereto electric bell 4 jingle bells that connect according to this solicited message control of ringing a bell; Simultaneously, first second power carrier modem 3 information of will ringing a bell is given second second power carrier modem 3 by power line transmission; The solicited message of ringing a bell that second second power carrier modem 3 will receive is carried out demodulation, and in coupled electric bell 4 jingle bells of control, the request message transmission of will ringing a bell is given the 3rd second power carrier modem 3, the solicited message of ringing a bell that the 3rd second power carrier modem 3 will receive is carried out demodulation, control coupled electric bell 4 jingle bells, and the request message transmission of will ringing a bell is given next second power carrier modem 3, by that analogy, all electric bell 4 equal jingle bells in the device of originally ringing a bell.
Originally the device of ringing a bell is as long as guarantee Belling apparatus 5 and the one the second power carrier modems, electric bell 4 at same unified power system, and electric bell 4 is powered by line of electric force, just can operate as normal, and it is extremely convenient to use.Do not need to be electric bell 4 control line of ringing a bell of arranging specially, each electric bell 4 is formed networks by specialized protocol.The forwarding capability that each second power carrier modem 3 all has the information of ringing a bell, so just formed the network of a relay relay type, be convenient to the information of ringing a bell is propagated into farther electric bell terminal, thereby make this device have better expansibility, a nearly step enlarges the usable range of the device of originally ringing a bell, and is with low cost.
Claims (3)
1. based on the device of ringing a bell of power carrier, it is characterized in that, this device of ringing a bell comprises control module (1) and first power carrier modem (2) that links to each other successively, first power carrier modem (2) is connected with a plurality of second power carrier modems (3) respectively by power circuit, and each second power carrier modem (3) all is connected with an electric bell (4).
2. the device of ringing a bell according to claim 1 is characterized in that, described control module (1) adopts the PIC16F627A single-chip microcomputer.
3. the device of ringing a bell according to claim 1 is characterized in that, described first power carrier modem (2) is identical with the structure of second power carrier modem (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200500057U CN201946069U (en) | 2011-02-28 | 2011-02-28 | Bell device based on electric carrier waves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200500057U CN201946069U (en) | 2011-02-28 | 2011-02-28 | Bell device based on electric carrier waves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201946069U true CN201946069U (en) | 2011-08-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200500057U Expired - Fee Related CN201946069U (en) | 2011-02-28 | 2011-02-28 | Bell device based on electric carrier waves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201946069U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102929264A (en) * | 2012-11-16 | 2013-02-13 | 江苏科技大学 | Class bell synchronizing method and device |
| CN103326740A (en) * | 2013-07-16 | 2013-09-25 | 中电华瑞技术有限公司 | Two-channel power line carrier communication chip |
-
2011
- 2011-02-28 CN CN2011200500057U patent/CN201946069U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102929264A (en) * | 2012-11-16 | 2013-02-13 | 江苏科技大学 | Class bell synchronizing method and device |
| CN102929264B (en) * | 2012-11-16 | 2015-08-19 | 江苏科技大学 | A kind of classroom the tinkle of bells synchronous method and device |
| CN103326740A (en) * | 2013-07-16 | 2013-09-25 | 中电华瑞技术有限公司 | Two-channel power line carrier communication chip |
| CN103326740B (en) * | 2013-07-16 | 2016-04-06 | 中电华瑞技术有限公司 | A kind of Two-channel power line carrier communication chip |
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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: 20110824 Termination date: 20140228 |