CN201449648U - Automatic doorbell contact wireless gate magnet sensor - Google Patents
Automatic doorbell contact wireless gate magnet sensor Download PDFInfo
- Publication number
- CN201449648U CN201449648U CN2009200473565U CN200920047356U CN201449648U CN 201449648 U CN201449648 U CN 201449648U CN 2009200473565 U CN2009200473565 U CN 2009200473565U CN 200920047356 U CN200920047356 U CN 200920047356U CN 201449648 U CN201449648 U CN 201449648U
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Abstract
The utility model discloses an automatic doorbell contact wireless gate magnet sensor, comprising a first chip arranged for fixing the gate magnet sensor and a signal emitting circuit which contains a RF signal emitting end and is communicated with the first chip. The RF signal emitting end is wirelessly connected with a telephone circuit having a high-frequency receiving circuit. The telephone circuit comprises a central processor which is orderly connected with an alarm sound output circuit, a HF receiving amplifying circuit and a loudspeaker. The new automatic doorbell contact wireless gate magnet sensor of the utility model will ring when the user opens or closes the door under the state of alarming, and the tinkles of doorbell can remind the master in home and office that a guest is coming.
Description
Technical field
The utility model discloses a kind of intelligent alarm end-gate magnetic inductor, particularly a kind of first chip and signal transmission circuit of comprising has in its circuit and to split the function that the state of closing the door responds and send wireless signal and trigger the wireless door magnetic inductor by the sound automatic door bell of prompt facility of alarm host machine.
Background technology
After the bar magnet trigger gate magnetic main body tongue tube work of conventional motion, warning message is launched with high frequency transmission circuit.The alarming information and common bar magnet trigger gate magnetic main body tongue tube work is only transmitted messages; Can't under the state of withdrawing a garrison, carry out the function of doorbell auditory tone cues.
Summary of the invention
Goal of the invention: technical problem to be solved in the utility model is at the deficiencies in the prior art, provides a kind of new automatic door bell to trigger the wireless door magnetic inductor.
Technical scheme: the utility model discloses a kind of automatic door bell and trigger the wireless door magnetic inductor, comprise being used to control first chip of described door magnetic inductor and the signal transmission circuit that comprises RF signal transmitting terminal that is communicated with first chip that described RF signal transmitting terminal and is provided with the telephone set network wireless connections of high frequency receiving circuit; Described telephone set network comprises central processing unit, described central processing unit also successively with the alarm sound output circuit, hands-freely talked about amplifying circuit and loudspeaker is communicated with.
In the utility model, comprise a low-voltage testing circuit that is communicated with signal transmission circuit and second chip that is communicated with low-voltage testing circuit; Described low-voltage testing circuit comprise the 6th triode, the 7th triode, the 8th triode, the 9th triode and with second chip that is communicated with of the RF signal transmitting terminal of described signal transmission circuit; The collector of described the 6th triode is communicated with the base stage of the 7th triode, and the collector of described the 7th triode is communicated with the base stage of the 8th triode, and the collector of the 8th triode is communicated with described second chip.
In the utility model, be connected in series the 14 resistance between the base stage of the collector of described the 6th triode and the 7th triode, be connected the grounded emitter of the 6th triode with power supply after drawing serial connection the 13 resistance between the collector of the 6th triode and the 14 resistance.
In the utility model, be connected power supply after the collector of described the 7th triode and the 16 resistance and the 15 resistance serial connection, draw between the 16 resistance and the 15 resistance with the base stage of the 8th triode and be connected the grounded emitter of the 7th triode.
In the utility model, the collector of described the 8th triode is by the 17 resistance and the 18 resistance eutral grounding, and the 17 resistance is drawn with described second chip with the 18 resistance and is connected.
Beneficial effect: automatic door bell described in the utility model triggers the wireless door magnetic inductor, only warning message is not launched with wireless mode, it is in use visiting if any the guest also to have increased doorbell information, user, whenever the permanent magnet that pushes triggers tongue tube once, be the work of bar magnet trigger gate magnetic main body tongue tube once, second chip is sent out a string data and is launched wirelessly; When main frame is received this information such as main frame again at the state of withdrawing a garrison, at this moment main frame can ring two prompting owners of doorbell sound has the guest visiting, and the prompting owner does some preparations to visiting owner guest.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is done further to specify, above-mentioned and/or otherwise advantage of the present utility model will become apparent.
Fig. 1 is for comprising the circuit theory diagrams of first chip and signal transmission circuit part in the utility model.
Fig. 2 is for comprising the circuit theory diagrams of low-voltage testing circuit part in the utility model.
Fig. 3 is a telephone set network synoptic diagram in the utility model.
Embodiment:
As depicted in figs. 1 and 2, the utility model discloses a kind of automatic door bell and trigger the wireless door magnetic inductor, comprise first chip U1 that is used to control described door magnetic inductor and the signal transmission circuit that comprises RF signal transmitting terminal that is communicated with the first chip U1, also comprise a low-voltage testing circuit that is communicated with signal transmission circuit and and low-voltage testing circuit; Described RF signal transmitting terminal and one is provided with the telephone set network wireless connections of high frequency receiving circuit; As shown in Figure 3, described telephone set network comprises central processing unit, described central processing unit also successively with the alarm sound output circuit, hands-freely talked about amplifying circuit and loudspeaker SP1 is communicated with.
Described low-voltage testing circuit comprise the 6th triode Q6, the 7th triode Q7, the 8th triode Q8 and with the second chip U2 that is communicated with of the RF signal transmitting terminal of described signal transmission circuit, be connected in series the tenth resistance R 10 between the second chip U2 and the RF signal transmitting terminal.The second chip U2 is a single-chip microcomputer; The collector of described the 6th triode is communicated with the base stage of the 7th triode, and the collector of described the 7th triode is communicated with the base stage of the 8th triode, and the collector of the 8th triode is communicated with described second chip.Draw serial connection the 13 resistance R 13 backs between the collector that is connected in series the 14 resistance R 14, the six triodes between the base stage of the collector of described the 6th triode Q6 and the 7th triode and the 14 resistance and be connected the grounded emitter of the 6th triode with power supply.Be connected power supply after the collector of described the 7th triode Q7 and the 16 resistance R 16 and the 15 resistance R 15 serial connections, draw between the 16 resistance and the 15 resistance with the base stage of the 8th triode and be connected the grounded emitter of the 7th triode.The collector of described the 8th triode Q8 is by the 17 resistance R 17 and the 18 resistance R 18 ground connection, and the 17 resistance is drawn with described second chip with the 18 resistance and is connected as high/low pressure check point.
Embodiment:
More particularly, in the utility model, mainly be made of for the power supply of door magnetic chip the first triode Q1, the second triode Q2, the 3rd triode Q3, the first diode D1, first inductance L 1, the 6th capacitor C 6 etc., the high-frequency signal radiating circuit mainly is made up of the 4th triode Q4, the 5th triode Q5, second inductance L 2, the first crystal oscillator X1 etc.
Tongue tube is opened a way when magnet leaves tongue tube S1,2 chargings make the first triode Q1, the second triode Q2 conducting through the 3rd resistance R 3 to power supply+EC to second capacitor C by first resistance R 1, and the voltage of battery BT1 is added in the 18 resistance R 18 and the 8th capacitor C 8 of the first chip U1 after 3 filtering of the 3rd capacitor C forms filtering circuits, prevents that the power supply high frequency from producing interference to chip U2; The operational voltage value that stabilivolt Z1 voltage stabilizing to the second chip U2 requires, and by the 19 resistance R 19 connection power end+ECC, can burn out chip if directly voltage is added to the first chip U1 pin. the EXT end output high-frequency impulse of the first chip U1 is controlled the 3rd triode Q3 work, boost by first inductance L 1 and to press through D1 half-wave rectification C6 filtering becoming galvanic current, through the 6th resistance R 6,7 fens pressure-controlled first chip U1 output duty cycles of the 7th resistance R are regulated automatically and are made voltage be stabilized in certain value, the 4th capacitor C 4 is a negative feedback electric capacity, playing the effect of fast and stable voltage. stable voltage is added in the 4th triode Q4 of the second chip U2 and high-frequency signal radiating circuit, the 5th triode Q5 provides operating voltage that the information that door magnetic leaves is launched, the base stage of the 4th triode Q4 is connected with second inductance and RF transmitter by the 9th resistance R 9. and wherein the 8th resistance R 8 and the 5th capacitor C 5 are formed filtering circuit, prevent high-frequency self-excitation, R8 also has the effect of circuit current limliting to HFS simultaneously; The 7th capacitor C 7 leaches for the crystal oscillator harmonic wave, second inductance L 2 has been high-frequency isolation effects, prevent that high frequency from being filtered by the 5th capacitor C 5. this end-of-job when 1 charging of first capacitor C finishes, the first triode Q1, the second triode Q2 quit work. and first resistance R 1, second resistance R, 2 capacitor C 2 are formed the charging delay circuit, the adjustable size of adjusting R1, R2, capacitor C 2 values saves the run duration of the first triode Q1, the second triode Q2, and the run duration of this example first triode Q1, the second triode Q2 was controlled at 2 seconds.
Burned in advance self-compiling program in single-chip microcomputer U2, when 1 pin of single-chip microcomputer U2 has the voltage input, just whether the 3 pin voltages of program detection single-chip microcomputer U2, if when detecting when low 2 pin output induction door magnetic magnet by single-chip microcomputer U2 and leaving tongue tube S1, signal controlling the 4th triode Q4, the 5th triode Q5 go out this signal by high-frequency emission.
If when 3 pin of program detection single-chip microcomputer U2 were high level behind the chip power, when the 2 pin output magnet of single-chip microcomputer U2 left tongue tube S1, signal controlling the 4th triode Q4, the 5th triode Q5 went out this information by high-frequency emission.
Base stage series and parallel the 11 resistance R 11 of the 6th triode Q6 and the 12 resistance R 12, the 11 resistance R 11 are connected the 12 resistance R 12 ground connection in the low-voltage testing circuit with 3V power supply BT1.The collector of the 6th triode Q6 the 14 resistance R 14 of connecting is connected with the base stage of the 7th triode Q7, and the base stage of the 6th triode Q6 is connected with the 3V power supply by the 11 resistance R 11; The collector of the 7th triode Q7 the 16 resistance R 16 back of connecting is connected with the base stage of the 8th triode Q8, draws between the base stage of the 16 resistance R 16 and the 8th triode Q8 to connect that the 15 resistance R 15 is back to be connected with the 3V power supply.Draw between the collector of the 8th triode Q8 and the 17 resistance R 17 and the 18 resistance R 18 to be communicated with and be high/low pressure check point with 3 pin of single-chip microcomputer U2.
Low pressure testing principle: when cell voltage is lower than 2.0V, the 6th triode Q6 did not work when divider resistance the 12 resistance R 12 both end voltage were lower than 0.7V, the 7th triode Q7, the 8th triode Q8 work, when door magnetic triggers, when the 3 pin low pressure test sides of single-chip microcomputer U2 are noble potential, single-chip microcomputer U2 thinks battery low pressure, and at this moment single-chip microcomputer is sent out the battery low pressure program of finishing in advance with wireless mode and given main frame, and it is low that main frame receives that this information back light dodges prompting owner door magnetic.As the 12 resistance R 12 both end voltage greater than 0.7V, the 6th triode Q6 conducting, the 7th triode Q7, the 8th triode Q8 close, the 17 resistance R the 17, the 18 resistance R 18 dividing potential drop place voltages are low-voltage, at this moment 3 pin of single-chip microcomputer U2 detect and are electronegative potential, and at this moment single-chip microcomputer thinks that cell voltage is that battery has electricity condition greater than 2V.
Telephone set network described in the utility model, comprise central processing unit, and LCD shows and keyboard dialing, described central processing unit respectively with the dialing output circuit, come power detection circuit, high frequency receiving circuit, external storage, external power supply detection, reset circuit, mu balanced circuit, battery detection circuit, alarm sound output circuit, power switch circuit, voice management chip, deploy troops on garrison duty cue circuit and information indicating circuit be connected.Described voice management chip and power switch circuit also are connected with the hands-free amplification output circuit of being talked about.When the door magnetic inductor is in when withdrawing a garrison state, the RF of door magnetic inductor transmits and switch door information is sent to the high frequency catcher circuit of telephone set network, control by central processing unit, send alarm sound output circuit and the hands-free amplification output circuit of being talked about successively to, and by loudspeaker SP1 output, thereby utilize the telephone set loudspeaker to realize the doorbell function of door magnetic inductor under the state of withdrawing a garrison, realized a tractor serves several purposes, utilize the bell sound setting in central processing unit simultaneously, door magnetic induction the tinkle of bells is different from ordinary calls, is convenient to the user and distinguishes.
The utility model provides a kind of automatic door bell to trigger the thinking and the method for wireless door magnetic inductor; the method and the approach of this technical scheme of specific implementation are a lot; the above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.The all available prior art of each component part not clear and definite in the present embodiment is realized.
Claims (5)
1. an automatic door bell triggers the wireless door magnetic inductor, comprise and be used to control first chip (U1) of described door magnetic inductor and the signal transmission circuit that comprises RF signal transmitting terminal that is communicated with first chip (U1), it is characterized in that described RF signal transmitting terminal and is provided with the telephone set network wireless connections of high frequency receiving circuit; Described telephone set network comprises central processing unit, described central processing unit also successively with the alarm sound output circuit, hands-freely talked about amplifying circuit and loudspeaker (SP1) is communicated with.
2. automatic door bell according to claim 1 triggers the wireless door magnetic inductor, it is characterized in that second chip (U2) that comprises a low-voltage testing circuit that is communicated with signal transmission circuit and be communicated with low-voltage testing circuit; Described low-voltage testing circuit comprise the 6th triode (Q6), the 7th triode (Q7), the 8th triode (Q8) and with second chip (U2) that is communicated with of the RF signal transmitting terminal of described signal transmission circuit; The collector of described the 6th triode is communicated with the base stage of the 7th triode, and the collector of described the 7th triode is communicated with the base stage of the 8th triode, and the collector of the 8th triode is communicated with described second chip; The base stage of described the 9th triode is communicated with second chip.
3. automatic door bell according to claim 2 triggers the wireless door magnetic inductor, it is characterized in that, be connected in series the 14 resistance (R14) between the collector of described the 6th triode (Q6) and the base stage of the 7th triode, draw serial connection the 13 resistance (R13) back between the collector of the 6th triode and the 14 resistance and be connected the grounded emitter of the 6th triode with power supply.
4. automatic door bell according to claim 2 triggers the wireless door magnetic inductor, it is characterized in that, be connected power supply after the collector of described the 7th triode (Q7) and the 16 resistance (R16) and the 15 resistance (R15) serial connection, draw between the 16 resistance and the 15 resistance with the base stage of the 8th triode and be connected the grounded emitter of the 7th triode.
5. automatic door bell according to claim 2 triggers the wireless door magnetic inductor, it is characterized in that, the collector of described the 8th triode (Q8) is by the 17 resistance (R17) and the 18 resistance (R18) ground connection, and the 17 resistance is drawn with described second chip with the 18 resistance and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200473565U CN201449648U (en) | 2009-07-15 | 2009-07-15 | Automatic doorbell contact wireless gate magnet sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200473565U CN201449648U (en) | 2009-07-15 | 2009-07-15 | Automatic doorbell contact wireless gate magnet sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201449648U true CN201449648U (en) | 2010-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200473565U Expired - Fee Related CN201449648U (en) | 2009-07-15 | 2009-07-15 | Automatic doorbell contact wireless gate magnet sensor |
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| Country | Link |
|---|---|
| CN (1) | CN201449648U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103188588A (en) * | 2013-03-06 | 2013-07-03 | 黄桂芳 | Mobile phone sound-amplifying player with magnetic induction way |
-
2009
- 2009-07-15 CN CN2009200473565U patent/CN201449648U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103188588A (en) * | 2013-03-06 | 2013-07-03 | 黄桂芳 | Mobile phone sound-amplifying player with magnetic induction way |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100505 Termination date: 20170715 |