CN202663495U - Intrinsic-safety wireless audio and video terminal for mining - Google Patents
Intrinsic-safety wireless audio and video terminal for mining Download PDFInfo
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- CN202663495U CN202663495U CN 201220350276 CN201220350276U CN202663495U CN 202663495 U CN202663495 U CN 202663495U CN 201220350276 CN201220350276 CN 201220350276 CN 201220350276 U CN201220350276 U CN 201220350276U CN 202663495 U CN202663495 U CN 202663495U
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Abstract
The utility model discloses an intrinsic-safety wireless audio and video terminal for mining. The terminal comprises an enclosed shell and a control circuit mounted in the enclosed shell, and is characterized in that the control circuit comprises an intrinsic-safety mainboard protection case; the intrinsic-safety mainboard protection case is provided with a CPU (Central Processing Unit) module; the CPU module is connected with a backup battery charge and discharge module, an audio and video compression module, a network interface module and a wired/wireless connector; the audio and video compression module is connected to an intrinsic-safety camera infrared illumination LED (Light Emitting Diode) module; and the wired/wireless connector is connected to a video receiving and emitting module. The intrinsic-safety wireless audio and video terminal for mining provided by the utility model has the advantages that the terminal is low in reflection power, fast in wireless transmission speed, good in communication security, stable in performance, high in reliability, stable in signal transmission, wide in coverage, and convenient for wiring, facilitate in maintenance and software upgrading and the like.
Description
Technical field
The utility model relates to the mining wireless communication equipment field, specifically, relates to a kind of Mine-used I. S wireless audio and video terminal.
Background technology
At present, the wireless audio and video terminal is a kind of common equipment in daily life, it mainly provides the wireless base station to cable LAN with from the access of cable LAN to the wireless base station, as long as in wireless base station WIFI signal cover, just can observe image and the voice messaging that the wireless audio and video terminal collects by the mode of web browsing.According to particularity and the danger of subsurface environment, ground wireless audio and video terminal can not be used under coal mine.Some fixedly the vertical shaft that can't install of watch-dog, inclined shaft, combine digging and enter the places such as working face, the concrete condition that needs real-time understanding the place ahead environment, adopt wired mode to come transmitting image will become unusually difficult, and increased the expense of cable expense on the ore deposit.How effectively, the concrete condition with mobile device the place ahead is transferred to aboveground watching cheaply, selects which type of transmission means and equipment to seem particularly important.Therefore adopt wireless mode to come transmission video signal will become convenient, simple.
The utility model content
The technical problems to be solved in the utility model provides a kind of Mine-used I. S wireless audio and video terminal.
The utility model adopts following technological means to realize goal of the invention:
A kind of Mine-used I. S wireless audio and video terminal, comprise closed shell and be installed in the interior control circuit of closed shell, it is characterized in that: described control circuit comprises intrinsic safety mainboard protection casing, be provided with the CPU module on the described intrinsic safety mainboard protection casing, described CPU module connects backup battery charge-discharge modules, audio frequency and video compression module, Network Interface Module, wire/wireless connector, described audio frequency and video compression module connects intrinsic safety camera infrared illumination led module, and described wire/wireless connector connects the radio frequency reception transmitter module.
As the further restriction to the technical program, described audio frequency and video compression module connects headset.
Compared with prior art, advantage of the present utility model and good effect are: backup battery charge-discharge modules of the present utility model is powered to the CPU module, and the phonetic image information exchange of intrinsic safety camera infrared illumination led module collection is crossed and is connected with the CPU module after the audio frequency and video processing module is compressed processing, processing.Network Interface Module is for the treatment of network signal, and the wire/wireless connector is connected with the CPU module respectively, and the CPU module is connected with the radio frequency reception transmitter module by the wire/wireless connector.Camera is with the shooting of people's sight line when underground work for the staff, and headset and aboveground dispatcher carry out the duplex voice conversation, for the monitoring of mine wireless monitor provides accurately, convenient, down-hole relevant information intuitively, and raising colliery science fine-grained management level.The utlity model has low reflection power, wireless transmission speed is fast, communication security good, stable performance, reliability are high, stable signal transmission and wide coverage, easy-to-connect, be convenient to safeguard and the advantages such as software upgrading.
Description of drawings
Fig. 1 is functional-block diagram of the present utility model.
Fig. 2 is that backup battery of the present utility model discharges and recharges moding circuit figure.
Fig. 3 is CPU module circuit diagram of the present utility model.
Fig. 4 is the utility model audio frequency and video compression module circuit diagram.
Fig. 5 is the utility model intrinsic safety camera infrared illumination led module circuit diagram.
Fig. 6 is the utility model Network Interface Module circuit diagram.
Fig. 7 is the utility model wire/wireless connector circuit figure.
Fig. 8 is the utility model radio frequency reception transmitter module circuit diagram.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment the utility model is done further to describe in detail.
Mine-used I. S wireless audio and video terminal of the present utility model is comprised of closed shell and the control circuit that is installed in the closed shell, control circuit comprises backup battery charge-discharge modules U1, CPU module U2, audio frequency and video compression module U3, camera infrared illumination led module U4, the wireless audio and video terminal is carried out the RJ45 Network Interface Module U5 of parameter configuration by computer, connect the wire/wireless connector U6 of wired integrated circuit board and wireless integrated circuit board, radio frequency reception transmitter module U7; Backup battery charge-discharge modules U1 powers to CPU module U2, audio frequency and video processing module U3, RJ45 Network Interface Module U5, wire/wireless connector U6 are connected with CPU module U2 respectively, camera infrared illumination led module U4 is connected with audio-video signal processing module U3, and CPU module U2 is connected with radio frequency reception transmitter module U7 by wire/wireless connector U6.
Backup battery charge-discharge modules U1 adopts the Ni-MH battery group that meets the intrinsic safety requirement, in order to can make the peripheral circuit normal operations such as chip, CPU module U2 is core devices in whole product, data transfer, conversion etc. is all controlled by this module, the information exchange that camera infrared illumination led module U4 gathers is crossed and is passed to CPU module U2 after the compression of audio frequency and video compression module and process, RJ45 Network Interface Module U5 is used for the information such as IP address of the equipment that arranges, be connected with wire/wireless connector U6 between wired plate and the wireless plate, make data communication device cross this connector and can carry out mutual transmission, at wired plate signal processing module is arranged, the signal that transmits for the treatment of wireless integrated circuit board, radio frequency reception transmitter module U7 core devices is wireless chip, it is the signal conversion chip of a high speed, and the signal that receives is transferred out by the wireless mode of employing after compiling.
As shown in Figure 2, the utility model is that Mine-used I. S, backup battery charge-discharge modules U1 mainly are comprised of the PTC resettable fuse, and circuit is carried out current-limiting protection, simultaneously, when two diodes of D1 and D2 are used for preventing the charge power supply reversal connection to the battery injury.
As shown in Figure 3, Y2 is the clock of 66M among the CPU module U2, be used for guaranteeing the normal operation of CPU module U2, MII_BUS on the module is used for connecting wireless plate, CPU module U2 supports the RS232 Interface Expanding simultaneously, at CPU module U2 pin with signal processing module and data storage is arranged, control the normal operation of other each module by CPU module U2.
As shown in Figure 4, be the 3.5mm audio interface of standard shown in the figure, have and use flexibly, satisfy the characteristics such as intrinsic safety characteristic, for guaranteeing audio quality, prevent self-excitation, when fabric swatch, capacitor C 5 is needed near chip GM8126.
As shown in Figure 5, camera infrared illumination led module U4, wherein acp chip MBI1081 is instant shut-in, is the drive IC that aims at the high-capacity LED design, resistance R 10 can be set the MBI1081 electric current, in order to control the luminosity of LED, D3 is photodiode, presents conducting state when illumination reduces, make the Q1 cut-off, the Enable Pin of its control MBI1081 makes output pin 5 present low level, thereby makes the work of infrared LED lighting module.
As shown in Figure 6, network signal is isolated by chip 1231S-SOP16, cause the infringement of signal processing module when preventing the outside faults such as network signal generation surge, be connected with CPU module U3 by MAC_TXOP, MAC_TXON, MAC_RXIP, MAC_RXIN through the later signal of isolation.
As shown in Figure 7, J600 is wire/wireless connector U6, and 10 pin to 27 pin are received on the CPU module, this connector adopts the crystal oscillator of 25MHz, is provided by U600, passes through connector, can with transmission of wireless signals in CPU module and signal processing module, then transmit.
As shown in Figure 8, it is the wireless chip of AR2317-AC1A that radio frequency reception transmitter module U7 adopts the production of POSEICO company, model, major function is to pass through antenna transmission after later wireless signal is strengthened through processing, this chip operating voltage is 3.3V, have voltage transformation module to provide, ANT1 and ANT2 are antennal interface.
The course of work: but this ANTENN AUDIO terminal adopts the Ni-MH battery power supply that meets intrinsic safety requirement recharge, the audio frequency and video compression module is processed the audio frequency, the video signal compression that collect later on to the CPU module, the radio frequency reception transmitter module the emission of antenna, reception signal does not separately interfere with each other signal.Then carry out transfer of data in the WIFI network environment, this ANTENN AUDIO terminal is supported wired connection simultaneously, can be with wire signal by later on freely transmission in wireless environment of conversion.
Certainly; above-mentioned explanation is not limitation of the utility model; the utility model also is not limited only to above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement also belong to protection range of the present utility model.
Claims (2)
1. Mine-used I. S wireless audio and video terminal, comprise closed shell and be installed in the interior control circuit of closed shell, it is characterized in that: described control circuit comprises intrinsic safety mainboard protection casing, be provided with the CPU module on the described intrinsic safety mainboard protection casing, described CPU module connects backup battery charge-discharge modules, audio frequency and video compression module, Network Interface Module, wire/wireless connector, described audio frequency and video compression module connects intrinsic safety camera infrared illumination led module, and described wire/wireless connector connection is taken the photograph and received transmitter module frequently.
2. described Mine-used I. S wireless audio and video terminal according to claim 1, it is characterized in that: described audio frequency and video compression module connects headset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220350276 CN202663495U (en) | 2012-07-19 | 2012-07-19 | Intrinsic-safety wireless audio and video terminal for mining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220350276 CN202663495U (en) | 2012-07-19 | 2012-07-19 | Intrinsic-safety wireless audio and video terminal for mining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202663495U true CN202663495U (en) | 2013-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220350276 Expired - Fee Related CN202663495U (en) | 2012-07-19 | 2012-07-19 | Intrinsic-safety wireless audio and video terminal for mining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202663495U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103188483A (en) * | 2013-03-19 | 2013-07-03 | 常熟市康达电器有限公司 | Mine intrinsic safety type wireless camera |
| CN107547810A (en) * | 2017-09-26 | 2018-01-05 | 东莞市博成硅胶制品有限公司 | A kind of signal conversion transmitter and its application |
-
2012
- 2012-07-19 CN CN 201220350276 patent/CN202663495U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103188483A (en) * | 2013-03-19 | 2013-07-03 | 常熟市康达电器有限公司 | Mine intrinsic safety type wireless camera |
| CN103188483B (en) * | 2013-03-19 | 2015-10-28 | 常熟市康达电器有限公司 | Mine-used I. S wireless camera instrument |
| CN107547810A (en) * | 2017-09-26 | 2018-01-05 | 东莞市博成硅胶制品有限公司 | A kind of signal conversion transmitter and its application |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20130719 |