CN207625682U - Video monitoring equipment - Google Patents

Video monitoring equipment Download PDF

Info

Publication number
CN207625682U
CN207625682U CN201721889451.0U CN201721889451U CN207625682U CN 207625682 U CN207625682 U CN 207625682U CN 201721889451 U CN201721889451 U CN 201721889451U CN 207625682 U CN207625682 U CN 207625682U
Authority
CN
China
Prior art keywords
pin
circuit
diode
connect
resistance
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.)
Expired - Fee Related
Application number
CN201721889451.0U
Other languages
Chinese (zh)
Inventor
向智宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuhai City De Yu Resplendence Mdt Infotech Ltd
Original Assignee
Zhuhai City De Yu Resplendence Mdt Infotech Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhuhai City De Yu Resplendence Mdt Infotech Ltd filed Critical Zhuhai City De Yu Resplendence Mdt Infotech Ltd
Priority to CN201721889451.0U priority Critical patent/CN207625682U/en
Application granted granted Critical
Publication of CN207625682U publication Critical patent/CN207625682U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of video monitoring equipments, including microcontroller, SD card storage circuit, memory, pin-saving chip, alarm detection module, wireless communication module, video image acquisition circuit, A/D converter circuit and power supply circuit, microcontroller respectively with SD card storage circuit, memory, pin-saving chip, wireless communication module is connected with power supply circuit, alarm detection module detects alarm signal and sends it to microcontroller, video image acquisition circuit acquires video image and sends it to A/D converter circuit, video image is converted to digital picture by A/D converter circuit, and digital picture is transmitted to microcontroller;Power supply circuit includes transformer, bridge rectifier, the first electrolytic capacitor, the second electrolytic capacitor, first resistor, the first zener diode, the second diode, third diode, the first triode and switching regulator IC.The circuit structure of the utility model is relatively simple, hardware cost is relatively low, the safety and reliability of circuit is higher.

Description

Video monitoring equipment
Technical field
The utility model is related to field of video monitoring, more particularly to a kind of video monitoring equipment.
Background technology
Video monitoring is the important component of safety and protection system.Traditional monitoring system includes front-end camera, passes Defeated cable and video monitoring platform.Video camera can be divided into network digital camera and analog video camera, can be used as head end video figure As the acquisition of signal.Video monitoring is intuitive with it, accurate, timely abundant with the information content and is widely used in many occasions.Such as Modern monitoring system can be taken on using smart mobile phone, while carry out automatic identification, storage and automatic alarm to image.Video counts Control host is passed back according to by 3G/4G/WIFI, and host can carry out image viewing in real time, typing, play back, recalls and store Operation, to realize the video monitoring of mobile interchange.The structure of the power supply circuit of traditional video monitoring equipment is complex, firmly Part cost is higher.In addition, the power supply circuit of traditional video monitoring equipment causes electricity due to lacking corresponding circuit protection function The safety and reliability on road is not high.
Utility model content
The technical problem to be solved by the present invention is to for the drawbacks described above of the prior art, provide a kind of circuit knot Structure is relatively simple, hardware cost is relatively low, the higher video monitoring equipment of the safety and reliability of circuit.
Technical solution adopted by the utility model to solve its technical problems is:A kind of video monitoring equipment is constructed, including Microcontroller, SD card storage circuit, memory, pin-saving chip, alarm detection module, wireless communication module, video image acquisition Circuit, A/D converter circuit and power supply circuit, the microcontroller respectively with the SD card storage circuit, memory, pin-saving chip, Wireless communication module is connected with power supply circuit, and the alarm detection module detects alarm signal and sends it to the monolithic Machine, the video image acquisition circuit acquire video image and send it to the A/D converter circuit, the A/D converter circuit The video image is converted into digital picture, and the digital picture is transmitted to the microcontroller;
The power supply circuit includes transformer, bridge rectifier, the first electrolytic capacitor, the second electrolytic capacitor, the first electricity Resistance, the first zener diode, the second diode, third diode, the first triode and switching regulator IC, the transformer The both ends of the both ends connection 220V alternating currents of primary coil, one end of the secondary coil of the transformer and bridge rectifier electricity First pin on road connects, and the other end of the secondary coil of the transformer and the third pin of the bridge rectifier connect Connect, the second pin of the bridge rectifier respectively with the anode of first electrolytic capacitor, the moon of the first zener diode The collector connection of pole, the anode of the second diode, the 5th pin of switching regulator IC and the first triode, first electricity The cathode of solution capacitance is connect with the 4th pin of the bridge rectifier, the anode of first zener diode respectively with institute The one end for stating first resistor is connected with the base stage of the first triode, the transmitting of the other end of the first resistor and the first triode It is extremely connect with the cathode of first electrolytic capacitor, the cathode of second diode and the first of the switching regulator IC Pin connects, and the third pin of the switching regulator IC is connect with the emitter of first triode, the switch voltage-stabilizing The second pin of chip is connect with the anode of the third diode, and the cathode of the third diode is steady with the switch respectively Press the anode connection of the 4th pin of chip, microcontroller and the second electrolytic capacitor, the cathode of second electrolytic capacitor with it is described The emitter of first triode connects, the model e-501, the model S- of the third diode of second diode 562。
In video monitoring equipment described in the utility model, the power supply circuit further includes second resistance, and described second One end of resistance is connect with the cathode of first zener diode, the other end of the second resistance and the switch voltage-stabilizing core 5th pin of piece connects, and the resistance value of the second resistance is 3.9k Ω.
In video monitoring equipment described in the utility model, the power supply circuit further includes third capacitance, the third One end of capacitance is connect with the 5th pin of the switching regulator IC, the other end of the third capacitance and the one or three pole The collector of pipe connects, and the capacitance of the third capacitance is 220pF.
In video monitoring equipment described in the utility model, the power supply circuit further includes 3rd resistor, the third One end of resistance is connect with the third pin of the switching regulator IC, the other end of the 3rd resistor and the one or three pole The emitter of pipe connects, and the resistance value of the 3rd resistor is 6.8k Ω.
In video monitoring equipment described in the utility model, the power supply circuit further includes the 4th resistance, and the described 4th One end of resistance is connect with the 4th pin of the switching regulator IC, and the other end and the microcontroller of the 4th resistance connect It connects, the resistance value of the 4th resistance is 7.2k Ω.
The video monitoring equipment for implementing the utility model, has the advantages that:Due to being equipped with microcontroller, SD card storage Circuit, memory, pin-saving chip, alarm detection module, wireless communication module, video image acquisition circuit, A/D converter circuit And power supply circuit, power supply circuit include transformer, bridge rectifier, the first electrolytic capacitor, the second electrolytic capacitor, the first electricity Resistance, the first zener diode, the second diode, third diode, the first triode and switching regulator IC, the power supply circuit phase For the power supply circuit of traditional video monitoring equipment, the component used is less, can reduce hardware cost in this way, separately Outside, the second diode and third diode are used to current-limiting protection, therefore circuit structure is relatively simple, hardware cost is relatively low, electric The safety and reliability on road is higher.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram in the utility model video monitoring equipment one embodiment;
Fig. 2 is the circuit diagram of power supply circuit in the embodiment.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.
In the utility model video monitoring equipment embodiment, the structural schematic diagram of video monitoring equipment is as shown in Figure 1. In Fig. 1, which includes microcontroller 1, SD card storage circuit 2, memory 3, pin-saving chip 4, alarm detection mould Block 5, wireless communication module 6, video image acquisition circuit 7, A/D converter circuit 8 and power supply circuit 9, wherein microcontroller 1 respectively with 2 storage circuit of SD card, memory 3, pin-saving chip 4, wireless communication module 6 and power supply circuit 9 connect, alarm detection module 5 Detection alarm signal simultaneously sends it to microcontroller 1, that is to say, that 5 monitoring, alarming signal of alarm detection module is utilized, once inspection Measure alarm signal i.e. to 1 alert of microcontroller, microcontroller 1 confirm be the machine warning message after, then control startup Alarm flow.
Video image acquisition circuit 7 acquires video image and sends it to A/D converter circuit 8, and A/D converter circuit 8 will regard Frequency image is converted to digital picture, and digital picture is transmitted to microcontroller 1 and carries out coded treatment, and the video code flow finished is sent To SD card storage circuit 2 or it is sent to mobile phone and checks.
Fig. 2 is the circuit diagram of power supply circuit in the present embodiment, and in Fig. 2, which includes transformer T, bridge-type Rectification circuit Z, the first electrolytic capacitor C1, the second electrolytic capacitor C2, first resistor R1, the first zener diode D1, the two or two pole Pipe D2, third diode D3, the first triode Q1 and switching regulator IC U1, the both ends connection of the primary coil of transformer T The both ends of 220V alternating currents, one end of the secondary coil of transformer T are connect with the first pin of bridge rectifier Z, transformer T The other end of secondary coil connect with the third pin of bridge rectifier Z, the second pin of bridge rectifier Z respectively with The anode of first electrolytic capacitor C1, the cathode of the first zener diode D1, the anode of the second diode D2, switching regulator IC U1 The 5th pin and the first triode Q1 collector connection, the of the cathode of the first electrolytic capacitor C1 and bridge rectifier Z Four pins connect, and the anode of the first zener diode D1 connects with the base stage of one end of first resistor R1 and the first triode Q1 respectively It connecing, the emitter of the other end of first resistor R1 and the first triode Q1 are connect with the cathode of the first electrolytic capacitor C1, and second The cathode of diode D2 is connect with the first pin of switching regulator IC U1, the third pin of switching regulator IC U1 and the one or three The emitter of pole pipe Q1 connects, and the second pin of switching regulator IC Q1 is connect with the anode of third diode D3, the three or two pole The cathode of pipe D3 is connect with the anode of the 4th pin of switching regulator IC U1, microcontroller 1 and the second electrolytic capacitor C2 respectively, the The cathode of two electrolytic capacitor C2 is connect with the emitter of the first triode Q1.
The power supply circuit of the power supply circuit 9 relative to traditional video monitoring equipment, the component used is less, circuit Structure is relatively simple, can reduce hardware cost in this way.Second triode D2 is Current Limiting Diodes, for switching regulator IC The electric current of the first pin of Q1 carries out current-limiting protection.Third diode D3 is Current Limiting Diodes, for switching regulator IC Q1 The electric current of second pin carry out current-limiting protection, therefore the safety and reliability of circuit is higher.It is noted that this implementation In example, the model e-501 of the second diode D2, the model S-562 of third diode D3, certainly, in practical applications, the Two diode D2 and third diode D3 can select diode of other models with similar functions.
First electrolytic capacitor C1 and the second electrolytic capacitor C2 is filter capacitor, the first zener diode D1 and first resistor R1 constitutes voltage threshold circuit, in work, after the input of 220V alternating currents, via transformer T decompressions, bridge rectifier Z rectifications After the first electrolytic capacitor C1 once filtering, voltage threshold detection is carried out by voltage threshold circuit, it is ensured that its voltage can reach On the burning voltage 12V of setting.Hereafter starting switch voltage stabilizing chip Q1, to realize that electric power output voltage 0 arrives the step of 5V Variation.By the voltage of voltage stabilizing after the second electrolytic capacitor C2 secondary filterings, it can be used for microcontroller 1.It is arranged in circuit Threshold circuit can be directed to input voltage and be detected into threshold trip, it is ensured that input voltage can reach the burning voltage of setting, while really Protect the stability after control source, avoid the voltage fluctuation of 220V alternating currents and caused by electric power output voltage shakiness phenomenon, carry The reliability of 1 electrification reset of high microcontroller.
In the present embodiment, which further includes second resistance R2, one end of second resistance R2 and two pole of the first voltage stabilizing The cathode of pipe D1 connects, and the other end of second resistance R2 is connect with the 5th pin of switching regulator IC U1.Second resistance R2 is Current-limiting resistance carries out current-limiting protection, to further enhance the safety of circuit for the collector current to the first triode Q1 And reliability.It is noted that in the present embodiment, the resistance value of second resistance R2 is 3.9k Ω, certainly, in practical applications, The resistance value of second resistance R2 can also adjust accordingly as the case may be.
In the present embodiment, which further includes third capacitance C3, one end of third capacitance C3 and switching regulator IC The 5th pin of U1 connects, and the other end of third capacitance C3 is connect with the collector of the first triode Q1.Third capacitance C3 is coupling Capacitance is closed, for preventing the interference between the first triode Q1 and switching regulator IC U1, further to enhance the peace of circuit Full property and reliability.It is noted that in the present embodiment, the capacitance of third capacitance C3 is that 220pF is actually being answered certainly In, the capacitance of third capacitance C3 can also adjust accordingly as the case may be.
In the present embodiment, which further includes 3rd resistor R3, one end of 3rd resistor R3 and switching regulator IC The third pin of U1 connects, and the other end of 3rd resistor R3 is connect with the emitter of the first triode Q1.3rd resistor R3 is limited Leakage resistance, the electric current for the third pin to switching regulator IC U1 carries out current-limiting protection, to further enhance current limitation effect. It is noted that in the present embodiment, the resistance value of 3rd resistor R3 is 6.8k Ω, certainly, in practical applications, 3rd resistor R3 Resistance value can adjust accordingly as the case may be.
In the present embodiment, which further includes the 4th resistance R4, one end of the 4th resistance R4 and switching regulator IC The 4th pin of U1 connects, and the other end of the 4th resistance R4 is connect with microcontroller 1.4th resistance R4 be current-limiting resistance, for pair The electric current of the 4th pin of switching regulator IC U1 carries out current-limiting protection, further to enhance current limitation effect.It is worth mentioning It is that in the present embodiment, the resistance value of the 4th resistance R4 is 7.2k Ω, certainly, in practical applications, the resistance value of the 4th resistance R4 can be with It adjusts accordingly as the case may be.
In short, in the present embodiment, which uses Component it is less, circuit structure is relatively simple, can reduce hardware cost in this way.In addition, being equipped with current limliting in the power supply circuit 9 Diode, therefore the safety and reliability of circuit is higher.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection domain within.

Claims (5)

1. a kind of video monitoring equipment, which is characterized in that including microcontroller, SD card storage circuit, memory, pin-saving chip, Alarm detection module, wireless communication module, video image acquisition circuit, A/D converter circuit and power supply circuit, the microcontroller point It is not connect with the SD card storage circuit, memory, pin-saving chip, wireless communication module and power supply circuit, the alarm inspection It surveys module detection alarm signal and sends it to the microcontroller, the video image acquisition circuit acquires video image and will It is sent to the A/D converter circuit, and the video image is converted to digital picture by the A/D converter circuit, and by the number Word image is transmitted to the microcontroller;
The power supply circuit includes transformer, bridge rectifier, the first electrolytic capacitor, the second electrolytic capacitor, first resistor, One zener diode, the second diode, third diode, the first triode and switching regulator IC, the primary of the transformer The both ends of the both ends connection 220V alternating currents of coil, one end of the secondary coil of the transformer and the bridge rectifier First pin connects, and the other end of the secondary coil of the transformer is connect with the third pin of the bridge rectifier, institute State the second pin of bridge rectifier respectively with the anode of first electrolytic capacitor, the cathode of the first zener diode, The collector of the anode of two diodes, the 5th pin of switching regulator IC and the first triode connects, the first electrolysis electricity The cathode of appearance is connect with the 4th pin of the bridge rectifier, and the anode of first zener diode is respectively with described One end of one resistance is connected with the base stage of the first triode, and the emitter of the other end of the first resistor and the first triode is equal It is connect with the cathode of first electrolytic capacitor, the cathode of second diode and the first pin of the switching regulator IC Connection, the third pin of the switching regulator IC are connect with the emitter of first triode, the switching regulator IC Second pin connect with the anode of the third diode, the cathode of the third diode respectively with the switch voltage-stabilizing core The anode connection of the 4th pin, microcontroller and the second electrolytic capacitor of piece, the cathode of second electrolytic capacitor and described first The emitter of triode connects, the model e-501, the model S-562 of the third diode of second diode.
2. video monitoring equipment according to claim 1, which is characterized in that the power supply circuit further includes second resistance, One end of the second resistance is connect with the cathode of first zener diode, and the other end of the second resistance is opened with described The 5th pin connection of voltage stabilizing chip is closed, the resistance value of the second resistance is 3.9k Ω.
3. video monitoring equipment according to claim 2, which is characterized in that the power supply circuit further includes third capacitance, One end of the third capacitance is connect with the 5th pin of the switching regulator IC, the other end of the third capacitance with it is described The collector of first triode connects, and the capacitance of the third capacitance is 220pF.
4. video monitoring equipment according to claim 3, which is characterized in that the power supply circuit further includes 3rd resistor, One end of the 3rd resistor is connect with the third pin of the switching regulator IC, the other end of the 3rd resistor with it is described The emitter of first triode connects, and the resistance value of the 3rd resistor is 6.8k Ω.
5. video monitoring equipment according to any one of claims 1 to 4, which is characterized in that the power supply circuit also wraps The 4th resistance is included, one end of the 4th resistance is connect with the 4th pin of the switching regulator IC, the 4th resistance The other end is connect with the microcontroller, and the resistance value of the 4th resistance is 7.2k Ω.
CN201721889451.0U 2017-12-27 2017-12-27 Video monitoring equipment Expired - Fee Related CN207625682U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721889451.0U CN207625682U (en) 2017-12-27 2017-12-27 Video monitoring equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721889451.0U CN207625682U (en) 2017-12-27 2017-12-27 Video monitoring equipment

Publications (1)

Publication Number Publication Date
CN207625682U true CN207625682U (en) 2018-07-17

Family

ID=62830697

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721889451.0U Expired - Fee Related CN207625682U (en) 2017-12-27 2017-12-27 Video monitoring equipment

Country Status (1)

Country Link
CN (1) CN207625682U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109040659A (en) * 2018-10-09 2018-12-18 六安腾达信息科技有限公司 Video conferencing system with circuit protection function
CN109120902A (en) * 2018-10-09 2019-01-01 六安腾达信息科技有限公司 video security monitoring system
CN109120882A (en) * 2018-10-09 2019-01-01 六安腾达信息科技有限公司 Video-conference phone system
CN109121247A (en) * 2018-08-22 2019-01-01 无锡照明股份有限公司 A kind of wisdom Street lamps control management system
CN109193939A (en) * 2018-10-09 2019-01-11 六安腾达信息科技有限公司 Power information system with monitoring function
CN109193940A (en) * 2018-10-09 2019-01-11 六安腾达信息科技有限公司 Power management information system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109121247A (en) * 2018-08-22 2019-01-01 无锡照明股份有限公司 A kind of wisdom Street lamps control management system
CN109121247B (en) * 2018-08-22 2020-12-22 无锡照明股份有限公司 Wisdom street lamp control management system
CN109040659A (en) * 2018-10-09 2018-12-18 六安腾达信息科技有限公司 Video conferencing system with circuit protection function
CN109120902A (en) * 2018-10-09 2019-01-01 六安腾达信息科技有限公司 video security monitoring system
CN109120882A (en) * 2018-10-09 2019-01-01 六安腾达信息科技有限公司 Video-conference phone system
CN109193939A (en) * 2018-10-09 2019-01-11 六安腾达信息科技有限公司 Power information system with monitoring function
CN109193940A (en) * 2018-10-09 2019-01-11 六安腾达信息科技有限公司 Power management information system

Similar Documents

Publication Publication Date Title
CN207625682U (en) Video monitoring equipment
CN203260298U (en) LCD testing device
US9577632B2 (en) Wireless switching circuit
CN105322659A (en) Intelligent home terminal
CN104297562A (en) Intelligent identification type electric energy meter
CN205105003U (en) Wisdom family terminal
CN107645167B (en) Reactive compensation control method for power distribution network
CN204425517U (en) Meter reading device, video camera and system
CN207352724U (en) A kind of transformer antitheft terminal
CN208971213U (en) A kind of slave equipment charge control circuit and camera shooting product of recognizable main equipment type
CN108693782A (en) Smart home managing and control system
CN204374286U (en) A kind of power supply input overvoltage/undervoltage testing circuit and starting-up later time thereof
CN105515171B (en) Adaptive power supply monitors switching circuit and its uses control method
CN208971001U (en) A kind of leakage-protective lighting distribution box
CN209400622U (en) A kind of electric fault detecting and controlling system
CN206945148U (en) Temperature polling instrument with temperature storage
CN205666221U (en) Fuse monitoring system based on position sensor
CN108983852A (en) Intelligent security control system
CN209330156U (en) A kind of novel energy-conserving interchanger
CN209014816U (en) Intelligent glasses
CN205017316U (en) Can be at signal gathering and transmission equipment of GIS map location through network
CN209930252U (en) LORA intelligent control plug board circuit
CN209313528U (en) Power load control equipment
CN203747408U (en) Power source protection circuit for fault indicator
CN113299055B (en) Digital display device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180717

Termination date: 20211227