CN210983634U - Novel doorbell - Google Patents
Novel doorbell Download PDFInfo
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- CN210983634U CN210983634U CN201922496980.XU CN201922496980U CN210983634U CN 210983634 U CN210983634 U CN 210983634U CN 201922496980 U CN201922496980 U CN 201922496980U CN 210983634 U CN210983634 U CN 210983634U
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Abstract
The utility model relates to a novel doorbell, belong to the technical field of doorbell, a problem for solve among the prior art doorbell householder can't in time discover after becoming invalid, it includes generating device and button, still including the detection module that presses that is used for detecting the button state, a sound production detection module for detecting generating device sound intensity size, a doorbell failure alarm module for exporting failure alarm signal when the button presses back sound generating mechanism sound intensity not enough, after the button is pressed, generating device does not have normal sound production or sound intensity is not enough, then explain that the doorbell has become invalid, doorbell failure alarm unit exports failure alarm signal this moment, in order to indicate householder in time to maintain or change the doorbell.
Description
Technical Field
The utility model belongs to the technical field of the technique of doorbell and specifically relates to a novel doorbell is related to.
Background
The doorbell is a common device arranged on a door, and generally comprises a key arranged outside the door and a sound-generating device arranged inside the door, when a person outside the door needs to call a person in the door to open the door for the person, the person outside the door presses the key, and the sound-generating device in the door can generate sound to prompt the person in the door to open the door for the person.
The frequency of use of doorbell is higher, so the doorbell probably because various reasons are invalid, the power electric quantity of if the doorbell is not enough to lead to the sound intensity that sound generating mechanism sent not enough, or the circuit between button and the sound generating mechanism is ageing to be broken circuit and leads to the button to press back sound generating mechanism can't normally sound production. After the doorbell fails, the householder needs to find out that the doorbell fails in time so as to repair or replace the doorbell, so that the normal use of the doorbell is not affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel doorbell, this doorbell can indicate the householder to maintain or change the doorbell after becoming invalid.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a novel doorbell comprises a sounding device and a button which is coupled with the sounding device and is pressed down to enable the sounding device to sound; further comprising:
the pressing detection module is used for detecting the state of the key so as to output a pressing trigger signal when the key is pressed;
the sounding detection module is used for detecting the size of the sound emitted by the sounding device so as to output a sounding failure signal when the sound intensity emitted by the sounding device is smaller than a set sound intensity value;
the doorbell failure alarm module is coupled with the press detection module and the sounding detection module, receives the press trigger signal and the sounding failure signal and outputs a failure alarm signal in response to receiving the press trigger signal and the sounding failure signal at the same time;
the pressing detection module, the sounding detection module and the doorbell failure alarm module are powered by a power supply circuit independent of the sounding device.
Through adopting above-mentioned technical scheme, after the button is pressed, press detection module and can export and press trigger signal, if sound generating mechanism does not have the sound production or the sound intensity who sends is not enough this moment, sound production detection module can export the sound production failure signal, doorbell failure alarm module can export failure alarm signal this moment to indicate that householder's doorbell has become invalid, so that householder in time discovers the doorbell inefficacy and maintains or change the doorbell, thereby avoided influencing doorbell's normal use.
Furthermore, the pressing detection module comprises a current-limiting resistor connected in series with the key, one end of a unit formed by connecting the key in series with the current-limiting resistor is coupled to the anode of the power supply, and the other end of the unit outputs the pressing trigger signal.
Further, the utterance detection module includes:
the sound intensity detection unit is used for detecting the intensity of the sound emitted by the sound generating device so as to output a sound intensity detection signal responding to the intensity of the sound emitted by the sound generating device;
and the sound intensity comparison unit is coupled with the sound intensity detection unit and receives the sound intensity detection signal so as to respond to the sound intensity generated by the sound generating device and output the sound generating failure signal when the sound intensity is smaller than the set value of the sound intensity.
Further, the sound intensity detection unit is provided as a sound tester.
Further, the sound intensity comparing unit includes:
a sound intensity reference unit for outputting a sound intensity setting signal in response to the sound intensity setting value;
and the sound intensity comparator is coupled with the sound intensity detection unit and the sound intensity reference unit and used for receiving the sound intensity detection signal and the sound intensity setting signal so as to respond to the magnitude relation output of the sound intensity detection signal and the sound intensity setting signal and output the sound failure signal.
Further, the sound intensity reference unit comprises a first voltage-dividing resistor and a second voltage-dividing resistor connected in series to a power supply, and a node to which the first voltage-dividing resistor and the second voltage-dividing resistor are coupled outputs the sound intensity setting signal.
Further, the second voltage-dividing resistor is set as a potentiometer.
Further, the doorbell failure alarm module comprises:
the signal processing unit is coupled with the pressing detection module and the sounding detection module, receives the pressing trigger signal and the sounding failure signal and outputs an alarm trigger signal in response to receiving the pressing trigger signal and the sounding failure signal at the same time;
and the alarm unit is coupled with the signal processing unit and used for receiving the alarm trigger signal so as to respond to the alarm trigger signal and output the failure alarm signal.
Further, the alarm unit includes a buzzer, a light emitting diode and a switch tube, the anode of the light emitting diode is coupled to the anode of the power supply, the cathode of the light emitting diode is coupled to one end of the switch tube, the other end of the switch tube is coupled to the cathode of the power supply, the trigger end of the switch tube is coupled to the signal processing unit to receive the alarm trigger signal, the switch tube is turned on in response to the alarm trigger signal, and the buzzer is connected in parallel to the two ends of the light emitting diode.
Furthermore, the doorbell failure alarm module further comprises a remote alarm device, wherein the remote alarm device is coupled with the signal processing unit and receives the alarm trigger signal so as to respond to the alarm trigger signal to send a short message with specified content to a pre-bound mobile phone.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the cooperation of the press detection module, the sounding detection module and the doorbell failure alarm module enables a householder to receive failure alarm signals when the sounding device does not sound normally after the press key is pressed down, so that the householder can find the condition of doorbell failure in time;
2. the buzzer and the light emitting diode are adopted for alarming in an audible and visual alarm manner, so that the alarm is simple and effective;
3. the remote alarm device enables the alarm short message to be sent to the mobile phone of the householder, so that the householder can find out the condition of doorbell failure in time even if the householder is not at home.
Drawings
Fig. 1 is a schematic diagram of the circuit structure of the present invention.
In the figure, 1, a press detection module; 2. a sounding detection module; 21. a sound intensity detection unit; 22. a sound intensity comparison unit; 221. a sound intensity reference unit; 3. a doorbell failure alarm magic block; 31. a signal processing unit; 32. an alarm unit; 33. remote alarm device.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the novel doorbell disclosed by the utility model comprises a sounding device and a button SB coupled to the sounding device and pressed to make the sounding device sound; the arrangement and connection of the sound generating device and the keys SB are conventional technical means of those skilled in the art, and will not be further described here.
The doorbell further comprises a pressing detection module 1 for detecting the state of the key SB so as to output a pressing trigger signal when the key SB is pressed, a sounding detection module 2 for detecting the size of sound emitted by the sounding device so as to output a sounding failure signal when the sound intensity emitted by the sounding device is smaller than a sound intensity set value, and a doorbell failure alarm module which is coupled with the pressing detection module 1 and the sounding detection module 2 to receive the pressing trigger signal and the sounding failure signal so as to respond to the simultaneous reception of the pressing trigger signal and the occurrence of the failure signal output failure alarm signal.
The pressing detection module 1 comprises a current limiting resistor R3 connected in series with the key SB to the power supply, one end of the key SB far away from the current limiting resistor R3 is coupled to the positive electrode of the power supply, and one end of the current limiting resistor R3 far away from the key SB is used for outputting the pressing trigger signal. When the button SB is pressed, the press detection module 1 outputs the press trigger signal.
The sounding detection module 2 includes a sound intensity detection unit 21 for detecting the intensity of the sound generated by the sounding device to output a sound intensity detection signal in response to the intensity of the sound generated by the sounding device, and a sound intensity comparison unit 22 coupled to the sound intensity detection unit 21 to receive the sound intensity detection signal and output the sounding failure signal in response to the sound intensity generated by the sounding device being less than a set value of the sound intensity.
The sound intensity detecting unit 21 is provided as a sound tester in this embodiment, the sound tester is provided near the sound generating device, and the sound tester can test the size of the sound generated by the sound generating device and output a sound intensity detecting signal in response to the intensity of the sound generated by the sound generating device. Since the sound intensity detection signal needs to enter the sound intensity comparing unit 22 for comparison, the sound intensity detecting unit 21 is further coupled to a D/a converter, and the D/a converter can convert the digital signal output by the sound tester into an analog signal, so as to enter the sound intensity comparing unit 22 for comparison. In the present embodiment, the higher the sound intensity detected by the sound intensity detecting unit 21 is, the larger the sound intensity detection signal is.
The sound intensity comparing unit 22 includes a sound intensity reference unit 221 and a sound intensity comparator N1. The sound intensity reference unit 221 is configured to output a sound intensity setting signal in response to the sound intensity setting value, the sound intensity reference unit 221 includes a first voltage dividing resistor R1 and a second voltage dividing resistor R2, the sound intensity setting signal is output from a node where the first voltage dividing resistor R1 and the second voltage dividing resistor R2 are coupled, the second voltage dividing resistor R2 is disposed near the negative terminal of the power supply and is configured as a potentiometer, and the size of the sound intensity setting signal can be directly adjusted by adjusting the size of the resistance value of the second voltage dividing resistor R2. The inverting input terminal of the sound intensity comparator N1 is coupled to the sound intensity detecting unit 21 to receive the sound intensity detecting signal, the non-inverting input terminal is coupled to the sound intensity reference unit 221 to receive the sound intensity setting signal, when the sound intensity detected by the sound intensity detecting unit 21 is lower than the sound intensity setting value, the sound intensity detecting signal is smaller than the sound intensity setting signal, and the sound intensity comparator N1 outputs a high-level sound failure signal.
The doorbell failure alarm module comprises a signal processing unit 31 coupled to the press detection module 1 and the sounding detection module 2 for receiving the press trigger signal and the sounding failure signal and outputting an alarm trigger signal in response to receiving the press trigger signal and the sounding failure signal simultaneously, and an alarm unit 32 coupled to the signal processing unit 31 for receiving the alarm trigger signal and outputting the failure alarm signal in response to the alarm trigger signal.
The signal processing unit 31 is configured as a dual-input and gate a, two input ends of the and gate a are respectively coupled to the press detection module 1 and the sounding detection module 2 to respectively receive the press trigger signal and the sounding failure signal, and the and gate a outputs a high-level alarm trigger signal when receiving the press trigger signal and the sounding failure signal at the same time.
The alarm unit 32 includes a buzzer, a light emitting diode D1 and a switch tube, in this embodiment, the switch tube is configured as an NPN type triode Q1, a base of the triode Q1 is coupled to the signal processing unit 31 to receive the alarm trigger signal, an emitter is coupled to a negative electrode of the power supply, a collector is coupled to a cathode of the light emitting diode D1, an anode of the light emitting diode D1 is coupled to a positive electrode of the power supply, and the buzzer is connected in parallel to two ends of the light emitting diode D1. When the alarm unit 32 receives the alarm trigger signal, the transistor Q1 is turned on, so that the buzzer sounds and the light emitting diode D1 emits light, i.e., the alarm unit 32 outputs a failure alarm signal.
The doorbell failure alarm module further comprises a remote alarm device 33, the remote alarm device 33 is coupled with the signal processing unit 31 to receive the alarm trigger signal, when the alarm trigger signal is received, the remote alarm device 33 sends an alarm short message to a pre-bound mobile phone, and the mobile phone is generally a mobile phone of a householder, so that the householder can be prompted that the doorbell of the householder fails when the householder is not at home, and the householder can further find the doorbell to fail in time. The remote alarm device 33 sends the pre-stored short message with the specified content to the pre-bound specified mobile phone after receiving a trigger, which is a conventional technical means in the prior art and will not be further described herein.
Of course, the power supply of the circuit is independent of the power supply circuit of the sound generating device, namely, when the power supply of the sound generating device is insufficient, the circuit can still work normally.
In the specific working process: when the button SB of doorbell was pressed, if the sound generating mechanism of doorbell can not normally sound or sound intensity is less than the sound intensity setting value, it explains that the doorbell probably has become invalid because of reasons such as sound generating mechanism's power supply electric quantity is not enough or the circuit between button SB and the sound generating mechanism is ageing to open a circuit, doorbell failure alarm module's bee calling organ sound production this moment, emitting diode D1 is luminous, and simultaneously, remote alarm device 33 still can send the cell-phone of warning SMS to the householder, indicate the householder doorbell to have become invalid, so that the householder in time maintains or changes the doorbell, avoid influencing the normal use of doorbell.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. A novel doorbell comprises a sounding device and a button which is coupled with the sounding device and is pressed down to enable the sounding device to sound; it is characterized by also comprising:
the pressing detection module (1) is used for detecting the state of the key so as to output a pressing trigger signal when the key is pressed;
the sounding detection module (2) is used for detecting the size of the sound emitted by the sounding device so as to output a sounding failure signal when the sound intensity emitted by the sounding device is smaller than a set sound intensity value;
the doorbell failure alarm module is coupled with the press detection module (1) and the sounding detection module (2), receives the press trigger signal and the sounding failure signal and responds to the simultaneous reception of the press trigger signal and the sounding failure signal to output a failure alarm signal;
the pressing detection module (1), the sounding detection module (2) and the doorbell failure alarm module are powered by a power supply circuit independent of the sounding device.
2. The novel doorbell of claim 1, wherein the push detection module (1) comprises a current-limiting resistor connected in series with the push button, one end of the unit in series with the current-limiting resistor is coupled to a positive power supply, and the other end outputs the push trigger signal.
3. A new doorbell according to claim 1, characterized in that said sounding detection module (2) comprises:
a sound intensity detection unit (21) for detecting the intensity of the sound emitted from the sound emission device to output a sound intensity detection signal in response to the intensity of the sound emitted from the sound emission device;
and the sound intensity comparison unit (22) is coupled with the sound intensity detection unit (21) and receives the sound intensity detection signal so as to respond to the sound intensity that the sound generating device emits the sound intensity that is smaller than the set value of the sound intensity and output the sound generating failure signal.
4. A new doorbell according to claim 3, characterised in that the sound intensity detection unit (21) is provided as a sound tester.
5. A new doorbell according to claim 3, characterized in that said sound intensity comparison unit (22) comprises:
a sound intensity reference unit (221) for outputting a sound intensity setting signal in response to the sound intensity setting value;
and the sound intensity comparator is coupled with the sound intensity detection unit (21) and the sound intensity reference unit (221) and receives the sound intensity detection signal and the sound intensity setting signal so as to respond to the magnitude relation of the sound intensity detection signal and the sound intensity setting signal and output the sound production failure signal.
6. The doorbell of claim 5, wherein the intensity reference unit (221) comprises a first voltage divider resistor and a second voltage divider resistor connected in series to a power supply, and a node coupled to the first voltage divider resistor and the second voltage divider resistor outputs the intensity setting signal.
7. The doorbell of claim 6, wherein the second voltage divider resistor is configured as a potentiometer.
8. The novel doorbell of claim 1, wherein the doorbell failure alarm module comprises:
the signal processing unit (31) is coupled with the pressing detection module (1) and the sounding detection module (2), receives the pressing trigger signal and the sounding failure signal and outputs an alarm trigger signal in response to receiving the pressing trigger signal and the sounding failure signal simultaneously;
an alarm unit (32), coupled to the signal processing unit (31), receiving the alarm trigger signal to output the failure alarm signal in response to the alarm trigger signal.
9. The novel doorbell of claim 8, wherein the alarm unit (32) comprises a buzzer, a light emitting diode and a switch tube, wherein the light emitting diode is coupled to a positive electrode of a power supply at an anode, coupled to one end of the switch tube at a cathode, coupled to a negative electrode of the power supply at the other end of the switch tube, coupled to the signal processing unit (31) for receiving the alarm trigger signal at a trigger end of the switch tube, the switch tube is turned on in response to the alarm trigger signal, and the buzzer is connected in parallel to two ends of the light emitting diode.
10. A novel doorbell according to any one of claims 8 or 9, wherein the doorbell failure alarm module further comprises a remote alarm device (33), the remote alarm device (33) being coupled to the signal processing unit (31) and receiving the alarm trigger signal to send a short message of specified content to a pre-bound handset in response to the alarm trigger signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922496980.XU CN210983634U (en) | 2019-12-31 | 2019-12-31 | Novel doorbell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922496980.XU CN210983634U (en) | 2019-12-31 | 2019-12-31 | Novel doorbell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210983634U true CN210983634U (en) | 2020-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922496980.XU Active CN210983634U (en) | 2019-12-31 | 2019-12-31 | Novel doorbell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210983634U (en) |
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2019
- 2019-12-31 CN CN201922496980.XU patent/CN210983634U/en active Active
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