CN208722024U - Wireless talkback door access machine - Google Patents
Wireless talkback door access machine Download PDFInfo
- Publication number
- CN208722024U CN208722024U CN201821651357.6U CN201821651357U CN208722024U CN 208722024 U CN208722024 U CN 208722024U CN 201821651357 U CN201821651357 U CN 201821651357U CN 208722024 U CN208722024 U CN 208722024U
- Authority
- CN
- China
- Prior art keywords
- circuit
- electrically connected
- governor
- door access
- access machine
- 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.)
- Active
Links
Landscapes
- Alarm Systems (AREA)
Abstract
The utility model provides a kind of wireless talkback door access machine, the door-phone includes governor circuit, power circuit, radio communication circuit, key circuit, unlocking control circuit, pickup processing circuit, broadcast processing circuit and dismantling-proof alarming circuit, and power circuit provides power supply to governor circuit, radio communication circuit, key circuit, unlocking control circuit, pickup processing circuit, broadcast processing circuit and dismantling-proof alarming circuit；Radio communication circuit, key circuit, unlocking control circuit, pickup processing circuit, broadcast processing circuit and dismantling-proof alarming circuit are electrically connected with governor circuit respectively.Wiring can be simplified using the wireless talkback door access machine of the utility model and have the function of dismantling-proof alarming.
Description
Technical field
The utility model relates to building speakerphone technical fields, specifically, being related to a kind of wireless talkback door access machine.
Background technique
Existing access control system can pass through intercom machine by setting intercom and intercom machine, visiting subscriber
It is called to intercom, indoor user can be answered by intercom, and the enabling being arranged by intercom
Key carries out opening door operation, and it is convenient that high degree is that user provides.Since access control system is more complicated in installation wiring,
Especially in the case where high-storey user is more, wiring is a more huge engineering, and installation progress will receive obstruction, because
How this, simplify installation steps, one of problem in need of consideration when being access control system design, in addition, due to a part of talkback door
Prohibit chance to be arranged in outdoor, exist by the risk of artificial destruction.
Summary of the invention
The main purpose of the utility model is to provide a kind of wireless talkback that can simplify wiring and have dismantling-proof alarming function
Door access machine.
In order to achieve the above-mentioned main objectives, wireless talkback door access machine provided by the utility model includes governor circuit, power supply
Circuit, radio communication circuit, key circuit, unlocking control circuit, pickup processing circuit and broadcast processing circuit, power circuit to
Governor circuit, radio communication circuit, key circuit, unlocking control circuit, pickup processing circuit and broadcast processing circuit provide electricity
Source；Radio communication circuit, key circuit, unlocking control circuit, pickup processing circuit and broadcast processing circuit are electric with master control respectively
Road electrical connection；Pickup processing circuit includes microphone, first stage amplifier and two-stage amplifier, microphone and first stage amplifier it is defeated
Enter end electrical connection, the output end of first stage amplifier be electrically connected with the input terminal of two-stage amplifier, the output end of two-stage amplifier and
Governor circuit electrical connection；Broadcast processing circuit includes speech chip, power amplifier and loudspeaker, speech chip respectively with master control
The electrical connection of the input terminal of circuit and loudspeaker, language power amplifier are electrically connected with the input terminal of governor circuit and loudspeaker respectively；
Radio communication circuit includes that antenna, radio-frequency switch circuit and Si4463 chip, antenna are electrically connected with radio-frequency switch circuit, and radio frequency is opened
Powered-down road is electrically connected with Si4463 chip, and Si4463 chip is electrically connected with governor circuit.
By above scheme as it can be seen that the wireless talkback door access machine of the utility model can be simplified by setting radio communication circuit
Wire structures improve installation effectiveness.Meanwhile radio communication circuit uses Si4463 chip, and transmission range can be improved.In addition, picking up
The voice signal that sound processing circuit setting first stage amplifier and two-stage amplifier obtain microphone is handled, and call can be improved
Quality.In addition, broadcast processing circuit setting speech chip can carry out voice broadcasting, convenient for embodying the personalization of user, improves and use
Family experience.
In further embodiment, wireless talkback door access machine further includes dismantling-proof alarming circuit, dismantling-proof alarming circuit and master control electricity
Road electrical connection.
It can be seen that can be alarmed when wireless talkback door access machine is destroyed and tears association open by setting dismantling-proof alarming circuit,
Improve the security level of wireless talkback door access machine.
In further embodiment, dismantling-proof alarming circuit includes Hall switch, first resistor, second resistance and 3rd resistor,
The first end of first resistor is electrically connected with power circuit, and the second end of first resistor is electrically connected with the input terminal of Hall switch, the
The first end of two resistance is electrically connected with the input terminal of Hall switch, and the second end of second resistance and the output end of Hall switch are electrically connected
It connects, the output end of Hall switch is electrically connected with the first end of 3rd resistor, and the second end of 3rd resistor is electrically connected with governor circuit.
It can be seen that obtaining electricity inside Hall switch by governor circuit using Hall switch as dismantling-proof alarming circuit
The variation of signal judges whether wireless talkback door access machine is removed.Hall-effect switch has low-power consumption, long life, response
The alarm performance of wireless talkback door access machine can be improved in the features such as frequency is high.
In further embodiment, dismantling-proof alarming circuit includes photodiode and the first NPN triode, photodiode
Cathode is electrically connected with power circuit, and the anode of photodiode is electrically connected with the base stage of the first NPN triode, tri- pole the first NPN
The collector of pipe is electrically connected with power circuit and governor circuit respectively, the emitter ground connection of the first NPN triode.
It can be seen that working as nothing using photodiode and the first NPN triode as the main devices of dismantling-proof alarming circuit
When line talk back entrance guard machine is opened, using the characteristic of photodiode, the conducting of the first NPN triode is controlled, governor circuit is logical
The voltage change for crossing dismantling-proof alarming circuit judges whether wireless talkback door access machine is opened.
In further embodiment, unlocking control circuit includes that the second NPN triode, relay switch and unlocking circuit connect
Mouthful, the base stage of the second NPN triode is electrically connected with governor circuit, the emitter ground connection of the second NPN triode, tri- pole the 2nd NPN
The collector of pipe is electrically connected with the ground terminal of relay switch, and the output end of relay switch is electrically connected with unlocking circuit interface.
It can be seen that unlocking control is carried out by the way that relay switch is arranged since door lock power supply needs higher voltage, it can
By the low-voltage isolation inside the high voltage and wireless talkback door access machine that are used to unlock, the interior of damage wireless talkback door access machine is prevented
Portion's circuit.
Detailed description of the invention
Fig. 1 is the circuit structure block diagram of the utility model wireless talkback door access machine embodiment.
Fig. 2 is the circuit diagram of radio communication circuit in the utility model wireless talkback door access machine embodiment.
Fig. 3 is the circuit diagram of pickup processing circuit in the utility model wireless talkback door access machine embodiment.
Fig. 4 is the circuit diagram of broadcast processing circuit in the utility model wireless talkback door access machine embodiment.
Fig. 5 is a kind of circuit diagram of dismantling-proof alarming circuit in the utility model wireless talkback door access machine embodiment.
Fig. 6 is the circuit diagram of another dismantling-proof alarming circuit in the utility model wireless talkback door access machine embodiment.
Fig. 7 is the circuit diagram of unlocking control circuit in the utility model wireless talkback door access machine embodiment.
The following is a further explanation of the present invention with reference to the accompanying drawings and embodiments.
Specific embodiment
As shown in Figure 1, the wireless talkback door access machine of the utility model includes governor circuit 1, power circuit 2, wireless communication
Circuit 3, key circuit 4, unlocking control circuit 5, pickup processing circuit 6, broadcast processing circuit 7 and dismantling-proof alarming circuit 8, power supply
Circuit 2 is handled to governor circuit 1, radio communication circuit 3, key circuit 4, unlocking control circuit 5, pickup processing circuit 6, broadcast
Circuit 7 and dismantling-proof alarming circuit 8 provide power supply.Radio communication circuit 3, key circuit 4, unlocking control circuit 5, pickup processing electricity
Road 6, broadcast processing circuit 7 and dismantling-proof alarming circuit 8 are electrically connected with governor circuit 1 respectively.Wherein, power circuit 2 is using existing
Well known power circuit, it may include filter circuit and voltage regulator circuit etc. mention for other circuit modules in wireless talkback door access machine
For DC power supply, details are not described herein.For key circuit 4 using known key circuit in talk back entrance guard machine field, this is known
Technology, details are not described herein.
Referring to fig. 2, radio communication circuit 3 includes antenna ANT, radio-frequency switch circuit U1 and Si4463 chip U2, antenna ANT
It is electrically connected with radio-frequency switch circuit U1, radio-frequency switch circuit U1 is electrically connected with Si4463 chip U2, Si4463 chip U2 and master control
Circuit 1 is electrically connected.In the present embodiment, radio-frequency switch circuit U1 uses the RF switch chip of TM3001 model.Governor circuit 1 is logical
Crossing radio communication circuit 3 can be communicatively coupled with other wireless talkback door access machines, to realize the doorway intercommunication of access control system
The interconnection of machine and intercom.In the present embodiment, sending and receiving for data, coverage area are carried out using Si4463 chip U2
It can reach 500 meters of distance, the wiring for simplifying access control system of high degree.
Referring to Fig. 3, pickup processing circuit 6 includes microphone MIC, first stage amplifier U3 and two-stage amplifier U4, microphone
MIC is electrically connected with the input terminal of first stage amplifier U3, the output end of first stage amplifier U3 and the input terminal electricity of two-stage amplifier U4
The output end of connection, two-stage amplifier U4 is electrically connected by terminal 61 with governor circuit 1.During a voice call, pass through wheat
Gram wind MIC obtains audio data, audio data is amplified by first stage amplifier U3 and two-stage amplifier U4 handle after send
To governor circuit 1, circuit 3 will be sent to the wireless talkback door access machine of networking outside audio data to governor circuit 1 by wireless communication.
Referring to fig. 4, broadcast processing circuit 7 includes speech chip U5, power amplifier U6 and loudspeaker SPK, speech chip
U5 is electrically connected with the input terminal of governor circuit 1 and loudspeaker SPK respectively, language power amplifier U6 respectively with governor circuit 1 and raise
The input terminal of sound device SPK is electrically connected.In the present embodiment, speech chip U5 uses the speech chip of MC34119 model, power amplification
Device U6 uses the power amplifier of SZY8038 model.When governor circuit 1 gets the call signal of key circuit 4, master control electricity
Road 1 sends voice to speech chip U5 and plays control signal, and the audio data that itself is stored is sent to loudspeaking by speech chip U5
Device SPK is played out, wherein the audio data of speech chip U5 storage can be and can be also possible to system with customizing ringing sound and be opened
The preset voice data of hair personnel.When circuit 3 gets external wireless talk back entrance guard machine and sent out governor circuit 1 by wireless communication
When the audio data sent, audio data is sent to power amplifier U6 and amplifies processing, power amplifier U6 by governor circuit 1
Audio data after enhanced processing is sent to loudspeaker SPK to play out.
Wireless talkback door access machine is maliciously dismantled in order to prevent, and wireless talkback door access machine is provided with dismantling-proof alarming circuit 8, is prevented
It tears warning circuit 8 open and sends alarm signal to governor circuit 1, governor circuit 1 carries out alarm operation according to alarm signal, for example, to
Indoor generator terminal, which sends alarm signal or sends control signal to speech chip U5, carries out audio alert.Dismantling-proof alarming circuit 8 can
It is configured as needed.
In one embodiment, referring to Fig. 5, dismantling-proof alarming circuit 8 includes Hall switch H, first resistor R1, second resistance R2
It is electrically connected with the first end of 3rd resistor R3, first resistor R1 with power circuit 2, the second end and Hall switch of first resistor R1
The input terminal of H is electrically connected, and the first end of second resistance R2 is electrically connected with the input terminal of Hall switch H, and the second of second resistance R2
End is electrically connected with the output end of Hall switch H, and the output end of Hall switch H is electrically connected with the first end of 3rd resistor R3, third
The second end of resistance R3 is electrically connected with governor circuit 1.Electricity by the power of Hall switch H induced magnetism, inside Hall switch
Signal can accordingly change.In normal work, dismantling-proof alarming circuit 8 sends low level signal to governor circuit 1, when wireless
When talk back entrance guard machine is disassembled, when Hall switch H induction is less than magnetic field, dismantling-proof alarming circuit 8 sends high level to governor circuit 1
Signal, so that governor circuit 1 judges that wireless talkback door access machine is disassembled and alarms.
In another embodiment, referring to Fig. 6, dismantling-proof alarming circuit 8 includes photodiode D1 and the first NPN triode
The cathode of Q1, photodiode D1 are electrically connected with power circuit 2, anode and the first NPN triode Q1 of photodiode D1
Base stage electrical connection, the collector of the first NPN triode Q1 are electrically connected with power circuit 2 and governor circuit 1 respectively, the first NPN tri-
The emitter of pole pipe Q1 is grounded.In normal state, photodiode D1 is in dark environment, and photodiode D1 is in height
Resistance states, the cut-off of the first NPN triode Q1, dismantling-proof alarming circuit 8 sends high level signal to governor circuit 1, when wireless
When talk back entrance guard machine is disassembled, since photodiode D1 is in bright environment, photodiode D1 is in low resistive state, the
One NPN triode Q1 gets high level conducting, and dismantling-proof alarming circuit 8 sends low level signal to governor circuit 1, thus master control
Circuit 1 judges that wireless talkback door access machine is disassembled and alarms.
Referring to Fig. 7, unlocking control circuit 5 includes that the second NPN triode Q2, relay switch RL1 and unlocking circuit connect
Mouth J1, the base stage of the second NPN triode Q2 are electrically connected with governor circuit 1, the emitter ground connection of the second NPN triode Q2, and second
The collector of NPN triode Q2 is electrically connected with the ground terminal of relay switch RL1, the output end of relay switch RL1 and unlocking
Circuit interface J1 electrical connection.When carrying out unlocking operation, governor circuit 1 to NPN triode Q2 send unlock control signal, make after
Electric switch RL1 is powered on, so that control is opened or closed with the unlocking circuit interface J1 electronic lock being electrically connected.
It can be seen from the above, the wireless talkback door access machine of the utility model can simplify wiring by setting radio communication circuit 3
Structure improves installation effectiveness.Meanwhile radio communication circuit 3 uses Si4463 chip U2, and transmission range can be improved.In addition, pickup
Processing circuit 6 is arranged the voice signal that first stage amplifier U3 and two-stage amplifier U4 obtains microphone and handles, and can be improved
Speech quality.In addition, speech chip U5, which is arranged, in broadcast processing circuit 7 can carry out voice broadcasting, convenient for embodying the personalization of user,
Improve user experience.Moreover, can be reported when wireless talkback door access machine is destroyed and tears association open by setting dismantling-proof alarming circuit 8
It is alert, improve the security level of wireless talkback door access machine.
It should be noted that the above is only the preferred embodiment of the utility model, but the design concept invented is not limited to
It is all to conceive the insubstantial modifications made to the utility model using this in this, also each fall within the protection scope of the utility model
Within.
Claims (5)
1. a kind of wireless talkback door access machine, it is characterised in that: including
At governor circuit, power circuit, radio communication circuit, key circuit, unlocking control circuit, pickup processing circuit and broadcast
Circuit is managed, the power circuit is controlled to the governor circuit, the radio communication circuit, the key circuit, the unlocking
Circuit, the pickup processing circuit and the broadcast processing circuit provide power supply；
The radio communication circuit, the key circuit, the unlocking control circuit, the pickup processing circuit and the broadcast
Processing circuit is electrically connected with the governor circuit respectively；
The pickup processing circuit includes microphone, first stage amplifier and two-stage amplifier, and the microphone is put with the level-one
The input terminal electrical connection of big device, the output end of the first stage amplifier is electrically connected with the input terminal of the two-stage amplifier, described
The output end of two-stage amplifier is electrically connected with the governor circuit；
The broadcast processing circuit includes speech chip, power amplifier and loudspeaker, the speech chip respectively with the master
Control the input terminal electrical connection of circuit and the loudspeaker, the power amplifier respectively with the governor circuit and the loudspeaker
Input terminal electrical connection；
The radio communication circuit includes antenna, radio-frequency switch circuit and Si4463 chip, the antenna and the RF switch
Circuit electrical connection, the radio-frequency switch circuit are electrically connected with the Si4463 chip, the Si4463 chip and master control electricity
Road electrical connection.
2. wireless talkback door access machine according to claim 1, it is characterised in that:
The wireless talkback door access machine further includes dismantling-proof alarming circuit, and the dismantling-proof alarming circuit is electrically connected with the governor circuit
It connects.
3. wireless talkback door access machine according to claim 2, it is characterised in that:
The dismantling-proof alarming circuit includes Hall switch, first resistor, second resistance and 3rd resistor, and the of the first resistor
One end is electrically connected with the power circuit, and the second end of the first resistor is electrically connected with the input terminal of the Hall switch, institute
The first end for stating second resistance is electrically connected with the input terminal of the Hall switch, the second end of the second resistance and the Hall
The output end of switch is electrically connected, and the output end of the Hall switch is electrically connected with the first end of the 3rd resistor, the third
The second end of resistance is electrically connected with the governor circuit.
4. wireless talkback door access machine according to claim 2, it is characterised in that:
The dismantling-proof alarming circuit includes photodiode and the first NPN triode, the cathode of the photodiode with it is described
The anode of power circuit electrical connection, the photodiode is electrically connected with the base stage of first NPN triode, and described first
The collector of NPN triode is electrically connected with the power circuit and the governor circuit respectively, the hair of first NPN triode
Emitter grounding.
5. wireless talkback door access machine according to any one of claims 1 to 4, it is characterised in that:
The unlocking control circuit includes the second NPN triode, relay switch and unlocking circuit interface, the 2nd NPN
The base stage of triode is electrically connected with the governor circuit, the emitter ground connection of second NPN triode, the 2nd NPN tri-
The collector of pole pipe is electrically connected with the ground terminal of the relay switch, the output end of the relay switch and unlocking electricity
The electrical connection of road interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821651357.6U CN208722024U (en) | 2018-10-11 | 2018-10-11 | Wireless talkback door access machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821651357.6U CN208722024U (en) | 2018-10-11 | 2018-10-11 | Wireless talkback door access machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208722024U true CN208722024U (en) | 2019-04-09 |
Family
ID=65983207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821651357.6U Active CN208722024U (en) | 2018-10-11 | 2018-10-11 | Wireless talkback door access machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208722024U (en) |
-
2018
- 2018-10-11 CN CN201821651357.6U patent/CN208722024U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102510477B (en) | Digital indoor unit and intelligent household security system | |
| US7398915B1 (en) | Security mailbox assembly, system methods and monitoring service | |
| US20080092610A1 (en) | Protective lock structure | |
| CN202957929U (en) | Digital indoor unit and intelligent home security system | |
| CN103002270A (en) | Digital indoor unit and intelligent home security system | |
| CN1109429C (en) | Dual use speaker for both voice communication and signalling | |
| CN203444539U (en) | Real-time management service system for building talk-back entrance guard | |
| CN102196045A (en) | Multifunctional Internet of things (IOT) intelligent home monitoring system | |
| CN208722024U (en) | Wireless talkback door access machine | |
| CN202026340U (en) | Multifunctional internet of things intelligent household monitoring system | |
| CN201786112U (en) | SIM (Subscriber Identity Module) card-free intelligent door lock unlocked by mobile phone for terminal of internet of things | |
| CN202049569U (en) | Mechanical trigger type multifunctional alarm control system | |
| CN202227798U (en) | Door lock security system | |
| CN206849219U (en) | Alarm system for realizing full-house sound-light alarm | |
| CN209002103U (en) | Visual Speaker-phone | |
| CN208609171U (en) | A kind of speaker circuit of compatible the tinkle of bells frequency and the transmission of speech sound waves frequency | |
| CN208724097U (en) | Can swipe the card four line door-phone of password unlocking | |
| CN209641024U (en) | A kind of communicate zooms out station battery anti-theft warning device | |
| CN201129071Y (en) | Infrared induction alarming lock | |
| CN209002139U (en) | Door-phone | |
| CN204457132U (en) | A kind of intelligent alarm lock cylinder system | |
| CN218206058U (en) | Protective structure of signal transmitting tower | |
| CN203433604U (en) | Electrical bridge type guard door with telephone alarm | |
| CN210377600U (en) | Access control system that high in clouds is connected | |
| CN212256500U (en) | Magnetic detector for anti-theft door |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 519000 room 501b, building 6, No. 19, Yongtian Road, Xiangzhou District, Zhuhai City, Guangdong Province Patentee after: Guangdong Boke Electronic Technology Co.,Ltd. Address before: 519000 room 501b, building 6, No. 19, Yongtian Road, Xiangzhou District, Zhuhai City, Guangdong Province Patentee before: ZHUHAI BCOM ELECTRONIC TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |