CN114187717B - Electric bell system - Google Patents
Electric bell system Download PDFInfo
- Publication number
- CN114187717B CN114187717B CN202010959958.9A CN202010959958A CN114187717B CN 114187717 B CN114187717 B CN 114187717B CN 202010959958 A CN202010959958 A CN 202010959958A CN 114187717 B CN114187717 B CN 114187717B
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- CN
- China
- Prior art keywords
- switch
- bell
- control
- electric bell
- power supply
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- 230000005669 field effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 8
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
- H04N7/186—Video door telephones
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Alarm Systems (AREA)
Abstract
The invention provides an electric bell system, which comprises a power supply circuit, an intelligent module, an electric bell switch and an electric bell control module, wherein the intelligent module is used for providing an intelligent function, and the electric bell switch is electrically connected among the electric bell control module, the intelligent module and the power supply circuit; when the electric bell switch is turned on, the electric bell control module allows current to flow through the electric bell, and when the electric bell switch is not turned on, the electric bell control module does not allow current to flow through the electric bell, so that the electric bell is prevented from sounding.
Description
Technical Field
The invention relates to the field of electronics, in particular to an electric bell system.
Background
With the rapid development of computer network technology and the pursuit of individuals for digital informatization of home life, smart home has been developed as a current technology, which mainly realizes the digitization of home equipment and achieves the purposes of equipment interconnection and information transmission. The intelligent electric bell system capable of providing video pictures is a ring of digital home equipment.
Please refer to fig. 1, which is a schematic diagram of a conventional intelligent bell system. The intelligent electric bell system 1 comprises a transformer 11, an intelligent module 12, an electric bell 13 and an electric bell switch 14, wherein the transformer 11 is connected to a power supply (such as a mains supply) 2, two ends of the electric bell switch 14 are respectively connected to one end of the electric bell 13 and one end of the transformer 11, the other end of the electric bell 13 is connected to the other end of the transformer 11, and two ends of the intelligent module 12 are respectively connected to two ends of the electric bell switch 14.
When the visitor presses the bell switch 14 to turn on the bell switch 14, the current from the power supply 2 is directly transmitted to the bell 13 after passing through the bell switch 14, so that the bell 13 obtains the power providing the warning sound, and when the visitor no longer presses the bell switch 14 to turn off the bell switch 14, the current from the power supply 2 can be transmitted to the intelligent module 12, so that the intelligent module 12 obtains the power required during operation, thereby the family member can see the face of the visitor through the intelligent module 12 to confirm the identity of the visitor, and can talk with the visitor to determine whether to open the door.
Generally, the intelligent module 2 can operate with only weak current, and the bell 13 can provide normal alarm sound with larger current, but when the bell switch 14 is turned off, the intelligent module 12 and the bell 13 are in a serial connection state, so the weak current flowing out of the intelligent module 12 still passes through the bell 13, and the bell 13 produces a tiny buzzing sound, although the buzzing sound is not loud, the alarm sound still causes trouble of family members. Accordingly, the existing bell system has room for improvement.
Disclosure of Invention
The main objective of the present invention is to provide an intelligent bell system, in which a bell control module is provided for determining whether current can flow through the bell according to whether the bell switch is turned on or not, so as to avoid the situation that current flows through the bell to make the bell produce a buzzing sound when the bell switch is not turned on.
In a preferred embodiment, the present invention provides an electric bell system comprising:
an electric bell for providing an alarm sound;
the power supply circuit is electrically connected with a power supply;
the electric bell control module comprises a control circuit unit and a control switch, and the control switch is electrically connected between the control circuit unit and the electric bell;
the intelligent module is used for providing an intelligent function; and
the electric bell switch is electrically connected among the electric bell control module, the intelligent module and the power supply circuit;
when the bell switch is turned on, the control circuit unit turns on the control switch to enable a current from the power supply to be conducted to the bell after passing through the power supply circuit, the control circuit unit and the control switch in sequence, and when the bell switch is not turned on, the control circuit unit turns off the control switch to enable the current from the power supply to be conducted to the intelligent module after passing through the power supply circuit and the control circuit unit in sequence.
In a preferred embodiment, the control circuit unit includes a first impedance, and the intelligent module includes a second impedance for matching with the first impedance; when the bell switch is turned on, a voltage crossing the first impedance drives the control circuit unit to turn on the control switch, and when the bell switch is not turned on, the voltage crossing the first impedance is a voltage division obtained by the first impedance and the second impedance, so as to drive the control circuit unit to turn off the control switch.
In a preferred embodiment, the control circuit unit further includes a circuit switch, and the circuit switch is electrically connected to the first impedance and includes a zener diode and a field effect transistor (MOS) device; when the bell switch is turned on, the voltage across the first impedance drives the control circuit unit to turn on the circuit switch, so that the control switch is turned on.
In a preferred embodiment, the first impedance is an inductance and the second impedance is a capacitance.
In a preferred embodiment, the control circuit unit includes a thermistor, and when the bell switch is turned on, an impedance of the thermistor increases to drive the control circuit unit to turn on the control switch, and when the bell switch is not turned on, the impedance of the thermistor decreases to drive the control circuit unit to turn off the control switch.
In a preferred embodiment, the control switch is connected in series with the bell.
In a preferred embodiment, two ends of the intelligent module are respectively connected to two ends of the bell switch.
In a preferred embodiment, the intelligent module comprises a camera unit and the intelligent function comprises a camera function.
In a preferred embodiment, the intelligent module comprises a battery.
In a preferred embodiment, the power supply circuit includes a transformer for raising and lowering a voltage of an alternating current from the power supply.
Drawings
Fig. 1: is a circuit schematic diagram of the existing intelligent electric bell system.
Fig. 2: a block schematic diagram of a preferred embodiment of the bell system of the present invention is shown.
Fig. 3: a circuit diagram of the bell system shown in fig. 2 in a first embodiment is shown.
Fig. 4: a circuit diagram of the bell system shown in fig. 2 in a second embodiment is shown.
Wherein reference numerals are as follows:
1. intelligent electric bell
2. Power supply
3. Electric bell system
4. Power supply
11. Transformer
12. Intelligent module
13. Electric bell
14. Electric bell switch
31. Power supply circuit
31' power supply circuit
32 intelligent module
32' intelligent module
33. Electric bell
34. Electric bell switch
35. Electric bell control module
311. Transformer
321. Battery cell
322. Image pickup unit
323. Second impedance
351. Control circuit unit
351' control circuit unit
351' control circuit unit
352 control switch
352' control switch
352' control switch
3511. First impedance
3512. Circuit switch
3513. Thermistor with high temperature resistance
35121. Zener diode
35122. Field effect transistor element
L1 conductive route
L2 conductive route
Detailed Description
Embodiments of the present invention will be further illustrated by the following description in conjunction with the associated drawings. Wherever possible, the same reference numbers will be used throughout the drawings and the description to refer to the same or like parts. In the drawings, the shape and thickness may be exaggerated for simplicity and convenience. It will be appreciated that elements not specifically shown in the drawings or described in the specification are of a form known to those of ordinary skill in the art. Many variations and modifications may be made by one skilled in the art in light of the disclosure herein.
Referring to fig. 2, a block diagram of an electric bell system according to a preferred embodiment of the invention is shown. The bell system 3 includes a power supply circuit 31, an intelligent module 32, a bell (chime) 33, a bell switch 34, and a bell control module 35, wherein the bell switch 34 is used for the visitor to operate to make the bell 33 provide alarm sound, and the intelligent module 32 is used for providing relevant intelligent functions for the user setting the bell system 3; the bell control module 35 includes a control circuit unit 351 and a control switch 352 electrically connected between the control circuit unit 351 and the bell 33, the power supply circuit 31 is electrically connected to the power source 4 (e.g. a mains supply), and the bell switch 34 is electrically connected among the bell control module 35, the intelligent module 32 and the power supply circuit 31. In addition, the control switch 352 is connected in series to the bell 33, and two ends of the intelligent module 32 are respectively connected to two ends of the bell switch 34.
In the disclosed invention, when the visitor operates the bell switch 34 to turn on the bell switch 34, the control circuit unit 351 turns on the control switch 352, so that the current from the power supply 4 can be conducted to the bell 33 after passing through the power supply circuit 31, the control circuit unit 351 and the control switch 352 in sequence, as shown by the conducting route L1, so that the bell 33 can obtain power to provide warning sound, and when the visitor stops operating the bell switch 34 to turn off the bell switch 34, the control circuit unit 351 turns off the control switch 352, so that the current from the power supply 4 can be conducted to the intelligent module 32 after passing through the power supply circuit 31 and the control circuit unit 351 in sequence, as shown by the conducting route L2, so that the intelligent module 32 can obtain power to provide intelligent function to the user.
In the preferred embodiment, the intelligent module 32 includes a battery 321 and an image capturing unit 322. Since the electric current from the power supply 4 is not conducted to the intelligent module 32 when the visitor operates the bell switch 34 to turn on the bell switch 34, the battery 321 can provide the power required by the intelligent module 32 when operating, and the camera unit 322 can be driven to perform the camera shooting to provide the camera shooting function no matter whether the intelligent module 32 obtains the power from the power supply 4 or the battery 321 when operating, so that the user can see the face of the visitor through the intelligent module 32 to confirm the identity of the visitor and decide whether to open the door according to the face. However, the above embodiments are merely examples, and the function provided by the intelligent module 32 is not limited to the image capturing function, and those skilled in the art can make any equivalent modifications according to the practical requirements.
Fig. 3 is a circuit diagram of the bell system shown in fig. 2 according to a first embodiment. In the present embodiment, the control circuit unit 351 'includes a first impedance 3511, and the intelligent module 32' includes a second impedance 323 for matching with the first impedance 3511, wherein the matching between the first impedance 3511 and the second impedance 323 enables the control circuit unit 351 'to turn on the control switch 352' when the bell switch 34 is turned on, and enables the control circuit unit 351 to turn off the control switch 352 when the bell switch 34 is not turned on.
In this embodiment, the control circuit unit 351' further includes a circuit switch 3512, the circuit switch 3512 is electrically connected to the first impedance 3511 and includes a zener diode 35121 and a field effect transistor (MOS) device 35122, when the bell switch 34 is turned on, the voltage across the first impedance 3511 drives the control circuit unit 351 to turn on the circuit switch 3512, and further the control switch 352' is turned on to enable the current from the power source 4 to pass through the bell 33 to provide a warning sound, and when the bell switch 34 is not turned on, the voltage across the first impedance 3511 is a voltage corresponding to the voltage division obtained by the first impedance 3511 and the second impedance 323, and the voltage division is unable to turn on the circuit switch 3512, and further the control switch 352' is turned off, so that the current from the power source 4 does not pass through the bell 33.
Preferably, in the present embodiment, the power supply circuit 31 'includes a transformer 311 for raising and lowering the voltage of the ac power from the power source 4, and the first impedance 3511 and the second impedance 323 respectively adopt a capacitor and an inductor, however, the above embodiments are only examples, the types of the first impedance 3511 and the second impedance 323 and the circuit design in the control circuit unit 351' are not limited to the above, and those skilled in the art can perform any equivalent modification design according to practical application requirements.
Fig. 4 is a circuit diagram of the bell system shown in fig. 2 in a second embodiment. In this embodiment, the control circuit unit 351″ includes a thermistor 3513, when the bell switch 34 is turned on, the impedance of the thermistor 3513 increases to drive the control circuit unit 351 to turn on the control switch 352″ so that the current from the power source 4 can pass through the bell 33 to provide an alarm sound, and when the bell switch 34 is not turned on, the impedance of the thermistor 3513 decreases to drive the control circuit unit 351″ to turn off the control switch 352″ so that the current from the power source 4 cannot pass through the bell 33.
According to the above description, the bell control module is provided for determining whether current can flow through the bell according to whether the bell switch is turned on or not, so that the bell control module can prevent the bell from sounding when current flows through the bell without the bell switch being turned on.
The foregoing description of the preferred embodiments of the present invention is not intended to limit the claims of the present invention, and therefore, other equivalent changes or modifications which do not depart from the spirit of the present invention are intended to be included in the claims of the present disclosure.
Claims (9)
1. An electric bell system, comprising:
an electric bell for providing an alarm sound;
the power supply circuit is electrically connected with a power supply;
the electric bell control module comprises a control circuit unit and a control switch, and the control switch is electrically connected between the control circuit unit and the electric bell;
the intelligent module is used for providing an intelligent function; and
the electric bell switch is electrically connected among the electric bell control module, the intelligent module and the power supply circuit;
when the bell switch is turned on, the control circuit unit turns on the control switch to enable a current from the power supply to be conducted to the bell after passing through the power supply circuit, the control circuit unit and the control switch in sequence, and when the bell switch is not turned on, the control circuit unit turns off the control switch to enable the current from the power supply to be conducted to the intelligent module after passing through the power supply circuit and the control circuit unit in sequence; and
the intelligent module comprises a first impedance and a second impedance matched with the first impedance; when the bell switch is turned on, a voltage crossing the first impedance drives the control circuit unit to turn on the control switch, and when the bell switch is not turned on, the voltage crossing the first impedance is a voltage division obtained by the first impedance and the second impedance, so as to drive the control circuit unit to turn off the control switch.
2. The electric bell system of claim 1 wherein the control circuit unit further comprises a circuit switch electrically connected to the first impedance and comprising a zener diode and a field effect transistor element; when the bell switch is turned on, the voltage across the first impedance drives the control circuit unit to turn on the circuit switch, so that the control switch is turned on.
3. The electric bell system of claim 1 wherein the first impedance is an inductance and the second impedance is a capacitance.
4. The electric bell system of claim 1, wherein the control switch is connected in series with the electric bell.
5. The electric bell system of claim 1, wherein two ends of the intelligent module are respectively connected to two ends of the electric bell switch.
6. The electric bell system of claim 1 wherein the intelligent module comprises a camera unit and the intelligent function comprises a camera function.
7. The electric bell system of claim 1 wherein the intelligent module comprises a battery.
8. The electric bell system of claim 1 wherein the power supply circuit includes a transformer for raising and lowering a voltage of an alternating current from the power supply.
9. An electric bell system, comprising:
an electric bell for providing an alarm sound;
the power supply circuit is electrically connected with a power supply;
the electric bell control module comprises a control circuit unit and a control switch, and the control switch is electrically connected between the control circuit unit and the electric bell;
the intelligent module is used for providing an intelligent function; and
the electric bell switch is electrically connected among the electric bell control module, the intelligent module and the power supply circuit;
when the bell switch is turned on, the control circuit unit turns on the control switch to enable a current from the power supply to be conducted to the bell after passing through the power supply circuit, the control circuit unit and the control switch in sequence, and when the bell switch is not turned on, the control circuit unit turns off the control switch to enable the current from the power supply to be conducted to the intelligent module after passing through the power supply circuit and the control circuit unit in sequence; and
when the bell switch is turned on, the resistance of the thermistor is raised to drive the control circuit unit to turn on the control switch, and when the bell switch is not turned on, the resistance of the thermistor is lowered to drive the control circuit unit to turn off the control switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010959958.9A CN114187717B (en) | 2020-09-14 | 2020-09-14 | Electric bell system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010959958.9A CN114187717B (en) | 2020-09-14 | 2020-09-14 | Electric bell system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114187717A CN114187717A (en) | 2022-03-15 |
| CN114187717B true CN114187717B (en) | 2024-01-30 |
Family
ID=80538946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010959958.9A Active CN114187717B (en) | 2020-09-14 | 2020-09-14 | Electric bell system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114187717B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106934962A (en) * | 2017-05-08 | 2017-07-07 | 中磊电子（苏州）有限公司 | Door bell device and the control method for door bell device |
| CN209710229U (en) * | 2019-06-25 | 2019-11-29 | 杭州萤石软件有限公司 | A kind of visible door bell device |
| US10607458B1 (en) * | 2018-04-23 | 2020-03-31 | Kuna Systems Corporation | Chime control companion and communication |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11069210B2 (en) * | 2017-06-28 | 2021-07-20 | Amazon Technologies, Inc. | Selecting a video frame for notification using audio/video recording and communication devices |
-
2020
- 2020-09-14 CN CN202010959958.9A patent/CN114187717B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106934962A (en) * | 2017-05-08 | 2017-07-07 | 中磊电子（苏州）有限公司 | Door bell device and the control method for door bell device |
| US10607458B1 (en) * | 2018-04-23 | 2020-03-31 | Kuna Systems Corporation | Chime control companion and communication |
| CN209710229U (en) * | 2019-06-25 | 2019-11-29 | 杭州萤石软件有限公司 | A kind of visible door bell device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114187717A (en) | 2022-03-15 |
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