CN211406202U

CN211406202U - IP network sound box with monitoring camera

Info

Publication number: CN211406202U
Application number: CN202020318976.4U
Authority: CN
Inventors: 毛铎; 吴双文
Original assignee: Guangzhou Zhuosheng Electronic Technology Co ltd
Current assignee: Guangzhou Zhuosheng Electronic Technology Co ltd
Priority date: 2020-03-14
Filing date: 2020-03-14
Publication date: 2020-09-01
Anticipated expiration: 2030-03-14

Abstract

The utility model relates to an audio and video equipment field discloses a IP network sound box with a monitoring camera, which comprises a wireless communication module, a decoder, an audio broadcasting module, a monitoring camera, a processor, an alarm module and a power supply module, wherein the wireless communication module is connected with the decoder, the audio broadcasting module is connected with the decoder, the monitoring camera is connected with the wireless communication module, and the power supply module is connected with the processor; the power supply module comprises a voltage input end, a first resistor, a first diode, a first triode, a second resistor, a second triode, a third resistor, a third triode, a fourth resistor, a third diode, a fourth triode, a second voltage-regulator tube, a fifth potentiometer, a first capacitor and a voltage output end, wherein one end of the voltage input end is connected with one end of the first resistor, the anode of the first diode, one end of the second resistor and the collector of the third triode. The utility model discloses circuit structure is comparatively simple, the cost is lower, the security and the reliability of convenient maintenance, circuit are higher.

Description

IP network sound box with monitoring camera

Technical Field

The utility model relates to an audio and video equipment field, in particular to camera IP network audio amplifier is kept watch on in area.

Background

The network sound box is a sound box transmitted based on a network as the name implies, and the network is a digital network, which is commonly called a local area network, an ethernet network, a wide area network and the like. The transport protocol is the standard TCP/IP protocol. The network sound box is the terminal equipment of the whole digital network broadcasting system, and a set of simplest network broadcasting system comprises: the upper computer (the master control software is arranged in the master control computer) -the network transmission part (the switch equipment) -the network sound box. Fig. 1 is a schematic circuit diagram of a power supply portion of a conventional IP network speaker, and it can be seen from fig. 1 that the power supply portion of the conventional IP network speaker uses many components, has a complex circuit structure and high hardware cost, and is inconvenient to maintain. In addition, because the power supply part of the traditional IP network sound box lacks the corresponding circuit protection function, for example: the safety and reliability of the circuit are poor due to the lack of the current-limiting protection function.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, a circuit structure is comparatively simple, the cost is lower, the security and the higher area of reliability of convenient maintenance, circuit are kept watch on camera IP network audio amplifier.

The utility model provides a technical scheme that its technical problem adopted is: an IP network sound box with a monitoring camera is constructed, and comprises a wireless communication module, a decoder, an audio broadcasting module, the monitoring camera, a processor, an alarm module and a power supply module, wherein the wireless communication module is connected with the decoder, the audio broadcasting module is connected with the decoder, the monitoring camera is connected with the wireless communication module, the processor is connected with the wireless communication module, and the power supply module is connected with the processor;

the power supply module comprises a voltage input end, a first resistor, a first diode, a first triode, a second resistor, a second triode, a third resistor, a third triode, a fourth resistor, a third diode, a fourth triode, a second voltage-regulator tube, a fifth potentiometer, a first capacitor and a voltage output end, wherein one end of the voltage input end is respectively connected with one end of the first resistor, the anode of the first diode, one end of the second resistor and the collector of the third triode, the other end of the first resistor is respectively connected with one end of the third resistor, the base of the first triode, the other end of the voltage input end, the emitter of the first triode and one end of the fourth resistor, the cathode of the first diode is respectively connected with the base of the second triode and the collector of the first triode, the emitter of the second triode is connected with the other end of the second resistor, the base of the third triode is respectively connected with the collector of the second triode and the collector of the fourth triode, the emitter of the third triode is respectively connected with the other end of the third resistor and the anode of the third diode, the cathode of the third diode is respectively connected with one fixed end of the fifth potentiometer, one end of the first capacitor and one end of the voltage output end, the base of the fourth triode is connected with the sliding end of the fifth potentiometer, the emitter of the fourth triode is connected with the anode of the second voltage-stabilizing tube, and the other end of the fourth resistor is respectively connected with the cathode of the second voltage-stabilizing tube, the other fixed end of the fifth potentiometer, the other end of the first capacitor and the other end of the voltage output end.

In the IP network audio box with a monitoring camera of the present invention, the model of the third diode is L-1822.

In the IP network audio amplifier of camera is kept watch on in area, power module still includes the sixth resistance, the one end of sixth resistance with the base of third triode is connected, the other end of sixth resistance with the collecting electrode of fourth triode is connected.

In the IP network audio amplifier with a surveillance camera, the resistance of the sixth resistor is 32k Ω.

In the IP network audio amplifier of camera is kept watch on in area, first triode, third triode and fourth triode are NPN type triode, the second triode is PNP type triode.

In the IP network audio box with monitoring camera, the wireless communication module is any one or combination of any several of 5G communication module, 4G communication module, bluetooth module, WiFi module, GSM module, CDMA2000 module, WCDMA module, TD-SCDMA module, Zigbee module and LoRa module.

Implement the utility model discloses a take surveillance camera IP network audio amplifier has following beneficial effect: the power supply module is compared with the power supply part of the traditional IP network sound box, the used components are fewer, and the components are saved, so that the hardware cost can be reduced, in addition, the third diode is used for current limiting protection, so the circuit structure is simpler, the cost is lower, the maintenance is convenient, and the safety and reliability of the circuit are higher.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic circuit diagram of a power supply portion of a conventional IP network speaker;

fig. 2 is a schematic structural diagram of an embodiment of an IP network speaker with a monitoring camera according to the present invention;

fig. 3 is a schematic circuit diagram of the power supply module in the embodiment.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model discloses in the area watch on camera IP network audio amplifier embodiment, this area watch on camera IP network audio amplifier's schematic structure diagram is shown in FIG. 1. In fig. 1, this area is kept watch on camera IP network audio amplifier includes wireless communication module 1, decoder 2, audio broadcast module 3, surveillance camera 4, treater 5, alarm module 6 and power module 7, wherein, wireless communication module 1 is connected with decoder 2, audio broadcast module 3 is connected with decoder 2, surveillance camera 4 is connected with wireless communication module 1, treater 5 is connected with wireless communication module 1, power module 7 is connected with treater 5.

Wireless communication module 1 receives the network audio signal of code, and send the network audio signal of receiving for decoder 2 and decode, decoder 2 sends the network audio signal after decoding to audio broadcast module 3 and carries out the public address and report, surveillance camera 4 carries out the collection of real-time video signal to the broadcast scene, and send the real-time video signal of gathering for long-range control center real-time display picture through wireless communication module 1, in addition, surveillance camera 4 still sends the real-time video signal of gathering for treater 5 through wireless communication module 1, treater 5 is according to the real-time video signal of receiving, when taking place unusually, control alarm module 6 reports to the police, play real-time warning effect of reminding. It can be seen that, the utility model discloses when receiving network audio frequency and public address report, can also carry out video feedback to the broadcast scene, let control center can see real-time picture, can carry out real-time warning effect again.

In this embodiment, the wireless communication module 1 is any one or a combination of any several of a 5G communication module, a 4G communication module, a bluetooth module, a WiFi module, a GSM module, a CDMA2000 module, a WCDMA module, a TD-SCDMA module, a Zigbee module, and a LoRa module. Through setting up multiple wireless communication mode, not only can increase the flexibility of wireless communication mode, can also satisfy the demand of different users and different occasions. Especially, when adopting the loRa module, its communication distance is far away, and communication performance is comparatively stable, is applicable to the occasion that requires the communication quality to be higher. The adoption of the 5G communication mode can achieve high data rate, reduce delay, save energy, reduce cost, improve system capacity and realize large-scale equipment connection.

In this embodiment, the decoder 2, the audio broadcasting module 3, the monitoring camera 4, the processor 5 and the alarm module 6 are all implemented by using a structure in the prior art, and the working principle thereof is also the working principle in the prior art, which is not described here.

Fig. 3 is a schematic circuit diagram of the power supply module in this embodiment, in fig. 3, the power supply module 7 includes a voltage input terminal Vin, a first resistor R1, a first diode D1, a first transistor Q1, a second resistor R2, a second transistor Q2, a third resistor R3, a third transistor Q3, a fourth resistor R4, a third diode D3, a fourth transistor Q4, a second voltage regulator D2, a fifth potentiometer RP5, a first capacitor C1 and a voltage output terminal Vo, wherein one end of the voltage input terminal Vin is connected to one end of a first resistor R1, an anode of the first diode D1, one end of a second resistor R2 and a collector of the third transistor Q589, the other end of the first resistor R1 is connected to one end of a third resistor R3, a base of the first transistor Q1, the other end of the voltage input terminal Vin, an emitter of the first transistor Q1 and one end of the fourth resistor R6 4, and a base of the first transistor Q3687458 and a collector of the first transistor Q1, an emitter of the second triode Q2 is connected with the other end of the second resistor R2, a base of the third triode Q3 is connected with a collector of the second triode Q2 and a collector of the fourth triode Q4 respectively, an emitter of the third triode Q3 is connected with the other end of the third resistor R3 and an anode of the third diode D3 respectively, a cathode of the third diode D3 is connected with one fixed end of the fifth potentiometer RP5, one end of the first capacitor C1 and one end of the voltage output terminal Vo respectively, a base of the fourth triode Q4 is connected with a sliding end of the fifth potentiometer RP5, an emitter of the fourth triode Q4 is connected with an anode of the second regulator D2, and the other end of the fourth resistor R4 is connected with a cathode of the second regulator D2, another fixed end of the fifth potentiometer RP5, the other end of the first capacitor C1 and the other end of the voltage output terminal Vo respectively.

Compared with the power supply part of the traditional IP network sound box in the figure 1, the power supply module 7 has the advantages of fewer used components, simpler circuit structure and convenience in maintenance, and can reduce the hardware cost due to the fact that some components are saved. In addition, the third diode D3 is a current limiting diode for current limiting protection of the emitter current of the third transistor Q3. The current limiting protection principle is as follows: when the emitter current of the third transistor Q3 is large, the emitter current of the third transistor Q3 can be reduced by the third diode D3 to keep the third transistor Q3 in a normal operating state, and the elements in the circuit are not burned out due to too large current, so that the safety and reliability of the circuit are high. It should be noted that in the present embodiment, the model of the third diode D3 is L-1822. Of course, in practical applications, the third diode D3 may also be another type of diode with the same function.

The working principle of the power supply module 7 is as follows: when the first triode Q1 is conducted, the second triode Q2 is conducted, the third triode Q3 is conducted, the output voltage is stabilized through sampling and comparison of the fourth triode Q4 and the like, meanwhile, the output voltage of the third triode Q3 is added to the base of the first triode Q1 through the third resistor R3, the normal operation of the circuit is maintained, the fifth potentiometer RP5 is a voltage-regulating potentiometer which can change the output voltage, when the voltage rises, the output voltage rises, the base voltage of the fourth triode Q4 rises, the collector voltage drops, the base voltage of the third triode Q3 is pulled down, and the output voltage is stabilized.

In this embodiment, the first transistor Q1, the third transistor Q3, and the fourth transistor Q4 are all NPN transistors, and the second transistor Q2 is a PNP transistor. Certainly, in practical applications, the first transistor Q1, the third transistor Q3, and the fourth transistor Q4 may also be PNP transistors, and the second transistor Q2 may also be NPN transistors, but the structure of the circuit is also changed accordingly.

In this embodiment, the power supply module 7 further includes a sixth resistor R6, one end of the sixth resistor R6 is connected to the base of the third transistor Q3, and the other end of the sixth resistor R6 is connected to the collector of the fourth transistor Q4. The sixth resistor R6 is a current limiting resistor, and is used for current limiting protection of the base current of the third transistor Q3. The current limiting protection principle is as follows: when the base current of the third triode Q3 is large, the base current of the third triode Q3 can be reduced by the sixth resistor R6 to keep the base current in a normal working state, so that the elements in the circuit are not burnt out due to too large current, and the safety and reliability of the circuit are further enhanced. It should be noted that, in the present embodiment, the resistance of the sixth resistor R6 is 32k Ω. Of course, in practical applications, the resistance of the sixth resistor R6 may be increased or decreased according to specific situations.

In a word, in this embodiment, compared with the power supply part of the traditional IP network speaker, the power supply module 7 uses fewer components, has a simpler circuit structure, is convenient to maintain, and can reduce the hardware cost due to the fact that some components are saved. In addition, the power supply module 7 is provided with a current limiting diode, so that the safety and the reliability of the circuit are high.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An IP network sound box with a monitoring camera is characterized by comprising a wireless communication module, a decoder, an audio broadcasting module, the monitoring camera, a processor, an alarm module and a power supply module, wherein the wireless communication module is connected with the decoder;

2. The IP network speaker with monitoring camera of claim 1, wherein the third diode is model L-1822.

3. The IP network sound box with the monitoring camera according to claim 2, wherein the power supply module further comprises a sixth resistor, one end of the sixth resistor is connected with the base of the third triode, and the other end of the sixth resistor is connected with the collector of the fourth triode.

4. The IP network sound box with the monitoring camera according to claim 3, wherein the resistance value of the sixth resistor is 32k Ω.

5. The IP network sound box with the monitoring camera according to any one of claims 1 to 4, wherein the first triode, the third triode and the fourth triode are NPN type triodes, and the second triode is a PNP type triode.

6. The IP network sound box with the monitoring camera according to any one of claims 1 to 4, wherein the wireless communication module is any one or a combination of any several of a 5G communication module, a 4G communication module, a Bluetooth module, a WiFi module, a GSM module, a CDMA2000 module, a WCDMA module, a TD-SCDMA module, a Zigbee module and a LoRa module.