CN202889475U - Security camera - Google Patents
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- CN202889475U CN202889475U CN 201220468757 CN201220468757U CN202889475U CN 202889475 U CN202889475 U CN 202889475U CN 201220468757 CN201220468757 CN 201220468757 CN 201220468757 U CN201220468757 U CN 201220468757U CN 202889475 U CN202889475 U CN 202889475U
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- 239000005341 toughened glass Substances 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 5
- 239000010959 steel Substances 0.000 claims abstract description 5
- 238000012544 monitoring process Methods 0.000 claims description 25
- 239000013307 optical fiber Substances 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 13
- 230000003287 optical effect Effects 0.000 claims description 10
- 230000007704 transition Effects 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 11
- 238000012545 processing Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 230000002411 adverse Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000000243 photosynthetic effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001915 proofreading effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model provides a security camera, comprising a casing, and a lens, an image sensor connected with the lens, an image processor connected with the image sensor, a photoelectric module connected with the image processor, a fiber interface connected with the photoelectric module, and a power supply device connected with the image sensor, the image processor, and the photoelectric module in the casing. The power supply device comprises batteries. The casing is a steel casing. The casing is provided with toughened glass. The lens is installed on an inner side of the toughened glass. The fiber interface is provided with a circular type FC interface with threads. The fiber interface is fixed on the casing by tri-proof plastic. The security of the security camera is high.
Description
Technical field
The utility model relates to the video camera in intelligent security guard field.
Background technology
High definition security protection industry development is rapid at present, and all trades and professions are all entertained great interest to high-definition video monitoring.But high-definition camera at present on the market substantially all adopts the 12V externally fed, and basic power consumption and need to be with coaxial cable or the transmission of IP network line all more than 5W.This has retrained the demand of special industry to high-definition video monitoring greatly.For example, coal industry, when mine disaster occured, all underground power supplies of at first will breaking were to prevent causing larger disaster owing to the circuit spark.If there is a kind of video camera not to be fixed against externally fed, and also not with electric signal transmission information, with the demand that can solve under this particular surroundings high definition.
The utility model content
Have the technical problem of security risk in order to solve existing security monitoring video camera, the utility model provides a kind of security monitoring video camera.
The utility model is that the technical scheme that solves the problems of the technologies described above proposition is:
A kind of security monitoring video camera, comprise casing and lay respectively at described casing interior camera lens and the imageing sensor that is connected with described camera lens, also comprise the image processor that is connected with described imageing sensor, the optical-electric module that is connected with described image processor, the optical fiber interface that is connected with described optical-electric module that lays respectively in the described casing and the electric supply installation that is connected with described imageing sensor, described image processor and the optical-electric module of being connected respectively, electric supply installation comprises battery; Described casing is steel shell, on this casing toughened glass is installed, and it is inboard that described camera lens is installed in this toughened glass place, and described optical fiber interface has round threaded FC interface, and this optical fiber interface fixes on the described casing with three anti-plastic solids.
Further, described optical-electric module is the wavelength division multiplexing optical module; Described image processor comprises respectively reception holding wire and the transmitted signal line of being responsible for transmitting-receiving, this image processor by described reception holding wire be connected the transmitted signal line and be connected with described wavelength division multiplexing optical module.
Further, described electric supply installation comprises successively DC/DC switch power module, first order LDO, second level LDO and the third level LDO of serial connection.
Further, described DC/DC switch power module is used for that input voltage is converted to 3.3V voltage to be exported, and its output is to described image processor and the power supply of described optical-electric module; The 3.3V voltage transitions that described first order LDO is used for input is that 2.8V voltage is exported, and its output is powered to described imageing sensor; The 2.8V voltage transitions that described second level LDO is used for input is that 1.8V voltage is exported, and its output is powered to described imageing sensor; The 1.8V voltage transitions that described third level LDO is used for input is that 1.2V voltage is exported, and its output is powered to described image processor.
Further, described electric supply installation comprise be used to the power interface that connects outside 5V power supply and respectively with described battery be connected the detection control circuit that power interface is connected, described detection control circuit is connected with optical-electric module with described imageing sensor, described image processor respectively.
Further, when described detection control circuit detected described power interface power supply is arranged, this detection control circuit was controlled this power interface and is connected conducting with described imageing sensor, described image processor and the optical-electric module of being connected respectively; When described detection control circuit detected described power interface without power supply, this detection control circuit was controlled described battery and is connected conducting with described imageing sensor, described image processor and the optical-electric module of being connected respectively.
Further, described battery adopts 3.7V power supply output; Be provided with the charging inlet that joins with this battery at described casing.
The beneficial effects of the utility model are: the utility model security monitoring video camera adopts the 5V electric power system, so that Overall Power Consumption is controlled in the 2W, so that become possibility with powered battery; Also adopt the wavelength division multiplexing optical module, realize the signal transmission of uni-core bidirectional; Structurally use hermetic steel shell, fully waterproof, gas-tight; Only have an optical fiber to be connected with ground, though fibercuts, owing to be light signal, so do not worry causing thus spark yet; Owing to use optical fiber, directly can transmit 70 to 80 kilometers without relaying simultaneously, well solve remote problem.
Description of drawings
Fig. 1 is the utility model embodiment security monitoring video camera structural representation block diagram;
Fig. 2 is the FPGA mainboard structure schematic block diagram of the utility model embodiment security monitoring video camera;
Fig. 3 is the image processing module structural representation block diagram of the utility model embodiment security monitoring video camera;
Fig. 4 is the image coding and decoding modular structure schematic block diagram of the utility model embodiment security monitoring video camera;
Fig. 5 is the schematic diagram of the clock jitter removing mode that adopts of the image coding and decoding module of the utility model embodiment security monitoring video camera;
Fig. 6 is parallel series and the staticizer structural representation of the utility model embodiment security monitoring video camera;
Fig. 7 is the circuit diagram that the step pressure reducing method of the utility model embodiment security monitoring video camera relates to;
Fig. 8 is the part-structure schematic block diagram of the electric supply installation of the utility model embodiment security monitoring video camera.
Embodiment
Below in conjunction with description of drawings and embodiment the utility model is further specified.
As shown in Figure 1, the security monitoring video camera of present embodiment comprises casing 1 and is connected in the casing 1 with lower member: camera lens 2, the imageing sensor 3 that is connected with camera lens 2, the image processor 4 that is connected with imageing sensor 3, the optical-electric module 5 that is connected with image processor 4, the optical fiber interface 6 that is connected with optical-electric module 5 and are connected the electric supply installation 7 that is connected with optical-electric module with imageing sensor 3, image processor 4 respectively; Electric supply installation 7 comprises battery 71; Casing 1 is steel shell, and its front portion is equipped with toughened glass, and it is inboard that camera lens 2 is installed in casing 1 interior toughened glass, optical fiber interface 6 adopts round threaded FC interface, prevents that with three plastic solids fix on the rear end of casing 1, like this, make casing 1 form the housing of a sealing, and fire prevention, waterproof.As shown in Figure 1, image processor 4 is selected the FPGA mainboard; As shown in Figure 2, comprise in the FPGA mainboard that proofreading and correct with 8/10B encoding and decoding for clocking error is connected image coding and decoding module 42 and the parallel series that is connected with image coding and decoding module 42 and staticizer 43, parallel series is connected with optical-electric module 5 with staticizer 43.
Preferably, as shown in Figure 2, comprise the image processing module 41 that is connected between imageing sensor 3 and the image coding and decoding module 42 in the FPGA mainboard.As shown in Figure 3, image processing module 41 comprises sensor interface 411, the auto-exposure control unit 412 that is connected with this sensor interface 411, the image interpolation process unit 413 that is connected with this sensor interface 411, the Automatic white balance processing unit 414 that is connected with this image interpolation process unit 413, the color that is connected with this Automatic white balance processing unit 414 strengthens processing unit 415, strengthen the wide dynamic process unit 416 that processing unit 415 is connected with this color, the color space convert unit 417 that is connected with this wide dynamic process unit 416, the gammate 418 that is connected with this color space convert unit 417.Sensor interface 411 is used for docking with imageing sensor 3; 41 pairs of vedio datas of image processing module carry out respectively automatic exposure, interpolation, Automatic white balance, color enhancing, wide dynamic process, color space convert and gamma correction process, to obtain the high-quality video image.
42 pairs of image processing modules of image coding and decoding module 41 transmission and the video image that arrives encodes to be more suitable for Optical Fiber Transmission, as shown in Figure 4, image coding and decoding module 42 comprises and interconnects the Correction to CTC(Clock Tolerance that clocking error is proofreaied and correct) module 421 and 8/10B coding/decoding module 422.421 pairs of vision signals of CTC module are carried out clocking error and are proofreaied and correct, it is the transmission key point, as shown in Figure 5, it adopts standing procedure, VCXO(Voltage Controlled X'tal Oscillator, voltage-controlled clock shakes) clock jitter removing, make receiving end recover reliably originating data, can well reduce the error rate of receiving terminal and reduce the clock scheme cost; 422 pairs of 8/10B coding/decoding modules are from 421 transmission of CTC module and the encoding video signal of the 8bit data width that arrives, make it convert the vision signal of 10bit data width to, to reach the balance of transmission level, prevent that continuous level "0" and level"1" from occurring, strengthen the stability of data and assist the better receive data of receiving end; Transfer to again parallel series and staticizer 43 carries out parallel-serial conversion.8/10B coding/decoding module 422 also can be to the decoding video signal of the 10bit data width that arrives from 43 transmission of parallel series and staticizer, make its vision signal that converts the 8bit data width to, again it is exported to CTC module 421 and carry out clocking error and proofread and correct backward outer output.
As shown in Figure 6, the parallel data of the 10bit width that parallel series and staticizer 43 will arrive from 42 transmission of image coding and decoding module converts the serial continuous data of 1bit width to, exports to optical-electric module 5 again; Parallel series and staticizer 43 also can be converted to the serial data of sending from optical-electric module 5 parallel data of 10bit width, send to coding/decoding module 42 again.
Preferably, as shown in Figure 1, optical-electric module 5 is the wavelength division multiplexing optical module.The FPGA mainboard also can receive distal fiber and send the signal that comes to from optical fiber interface 6, finishes such as switch video camera, switch light compensating lamp, increases some video parameters etc. function of audio frequency, control video camera.Adopt the low-power consumption FPGA mainboard to finish ISP(Image Signal Processing, picture signal is processed) function, and the SERDES(parallel series and staticizer with transmitted in both directions function that carry with FPGA) be connected the wavelength division multiplexing optical module, the FPGA mainboard cooperates the bidirectional optical fiber transmission video signal, and using the wavelength division multiplexing optical module to realize the transmission mechanism of single fiber bi-directional, realization FPGA mainboard docks with two-way optical-electric module.So-called two-way, be that the FPGA mainboard has one one receipts two pairs of holding wires (namely receiving holding wire and transmitted signal line), these two pairs of holding wires are received on the wavelength division multiplexing optical module, the wavelength division multiplexed light inside modules has optic wavelength division multiplexing function, and its photosynthetic light beam that becomes with sending and receiving transmits at an optical fiber.
Preferably, battery 71 adopts 3.7 volts of power supply outputs.The power supply of imageing sensor 3, FPGA mainboard and wavelength division multiplexing optical module is all less than or equal to 3.3 volts.Battery 71 sides also are provided with charging inlet 71a, can charge to battery 71 by it.The voltage drop method that existing supply power mode adopts normally directly produces 3.3V, 2.8V, 1.8V, 1.2V etc. by the 5V power supply, has increased greatly thermal losses and power supply Wen Bo for no reason in power supply step-down process.And the security monitoring video camera of present embodiment adopts two kinds of Power supplies, as shown in Figure 1, be that electric supply installation 7 not only comprises battery 71, also comprise be used to the power interface 72 that connects outside 5V power supply, judging environment when the FPGA mainboard powers when normal, FPGA mainboard control plugged interface 72 is to use outside 5V power supply, and when the FPGA mainboard judged that adverse circumstances occur, the control of FPGA mainboard was connected inner 3.7V battery 71 with power supply; As shown in Figure 7, electric supply installation 7 also comprises respectively with battery 71 is connected the DC/DC(DC-DC that is connected with power interface) switch power module 73, and the first order LDO(Low Dropout Regulator that is connected in series successively, low pressure difference linear voltage regulator) 741, second level LDO 742 and third level LDO 743, the input of described first order LDO 741 is connected with the output of DC/DC switch power module 73.DC/DC switch power module 73 is used for that input voltage is converted to 3.3V voltage to be exported, and its output is to FPGA mainboard and optical-electric module 5 power supplies, and its efficient can reach 95%; The 3.3V voltage transitions that first order LDO 741 is used for input is that 2.8V voltage is exported, and its output is to imageing sensor 3 power supplies; The 2.8V voltage transitions that second level LDO 742 is used for input is that 1.8V voltage is exported, and its output is to imageing sensor 3 power supplies; The 1.8V voltage transitions that third level LDO 743 is used for input is that 1.2V voltage is exported, and its output is to the FPGA main board power supply.Adopt such step pressure reducing method, can greatly save because LDO plays the loss that High Pressure Difference is brought when 5V changes to 3.3V or 1.2V, the step pressure reducing method can be so that the thermal losses of power supply be minimum, and so that the civilian ripple of power supply is minimum, the little energy of caloric value is to the more stable environment of video camera, and the power supply of low Wen Bo makes signal quality better.Because the internal system power supply can ensure that all less than or equal to 3.3V Overall Power Consumption is minimum, measuring and calculating video camera Overall Power Consumption out is less than 2W at present.Can be according to the battery of the length customization different capabilities of video camera service time.
Preferably, the security monitoring video camera of present embodiment selects to adopt the ORing mode in power supply, as shown in Figure 8, electric supply installation 7 comprises with battery 71 is connected the detection control circuit 75 that is connected with power interface, battery 71 continues to think that to detecting control circuit 75 power supplies it provides working power, detects control circuit 75 and is connected with optical-electric module with imageing sensor 3, FPGA mainboard respectively and is connected.Detect control circuit 75 by battery 71 power supplies, if when detecting control circuit 75 and detect the outside power supply is arranged, thereby then gating power interface 72 make externally fed to main frame to save battery electric quantity, when namely detecting power interface 72 places power supply being arranged, detect control circuit 75 control power interfaces 72 and be connected conducting with being connected with optical-electric module with imageing sensor 3, FPGA mainboard respectively; Detect the outside time of power supply that do not have if detect control circuit 75, then 71 power supplies of gating battery are to main frame, when namely detecting power interface 72 without power supply, detect control circuit 75 control batteries 71 and be connected conducting with being connected with optical-electric module with imageing sensor 3, FPGA mainboard respectively.Like this, can be implemented in environment and power and use externally fed in the normal situation, when adverse circumstances occur, use the internal cell power supply; And, also realized intelligent power saving.
Also adopt in addition following power saving mode, when system was in holding state, the power supply of FPGA mainboard closing image transducer 3 was also closed system's master frequency generator.Optical-electric module 5 and parallel series and staticizer 43 adopt burst mode (BMR in addition, burst mode receiver), burst mode is realized in the FPGA mainboard, whether the receiving terminal that is mainly used to detect optical-electric module 5 receives light signal, if receive light signal, with regard to wake-up master, then the control signal that transmits according to the outside is opened the imageing sensor power supply, provide work clock etc. work, if do not receive light signal, optical-electric module 5 is in little electric supply condition, only have the FPGA mainboard to keep sleep state this moment under the 1.2V ultralow pressure, in case have light signal to enter optical-electric module 5 by optical fiber, the FPGA mainboard is activated, the FPGA mainboard begins synchronous external signal, according to the value of judging the signal that optical-electric module 5 transmits, judge whether it is that the identification information of signal the inside is used as foundation, wake step by step the high-frequency clock module of imageing sensor 3 and FPGA mainboard inside up: first to imageing sensor 3 power supplies, and then the transmission clock signal is to imageing sensor 3; For the functional module of FPGA mainboard inside, realize by the switch clock signal.Greatly saved battery power consumption by this mode.
Preferably, on casing 1, also be provided with the charging inlet 76 that joins with battery 71 on battery 71 sides, can charge to battery 71 by it.
As above institute's cloud is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that implementation of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design and intension, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
Claims (7)
1. security monitoring video camera, comprise casing (1) and lay respectively at described casing (1) interior camera lens (2) and the imageing sensor (3) that is connected with described camera lens (2), it is characterized in that: also comprise the image processor (4) that is connected with described imageing sensor (3) that lays respectively in the described casing (1), the optical-electric module (5) that is connected with described image processor (4), the optical fiber interface (6) that is connected with described optical-electric module (5) and respectively with described imageing sensor (3), described image processor (4) be connected the electric supply installation (7) that optical-electric module (5) connects, electric supply installation (7) comprises battery (71); Described casing (1) is steel shell, this casing is equipped with toughened glass on (1), it is inboard that described camera lens (2) is installed in this toughened glass place, and described optical fiber interface (6) has round threaded FC interface, and this optical fiber interface (6) fixes on the described casing (1) with three anti-plastic solids.
2. security monitoring video camera according to claim 1, it is characterized in that: described optical-electric module (5) is the wavelength division multiplexing optical module; Described image processor (4) comprises respectively reception holding wire and the transmitted signal line of being responsible for transmitting-receiving, this image processor (4) by described reception holding wire be connected the transmitted signal line and be connected with described wavelength division multiplexing optical module.
3. security monitoring video camera according to claim 1 is characterized in that: described electric supply installation (7) comprises successively DC/DC switch power module (73), the first order LDO(741 of serial connection), second level LDO(742) and third level LDO(743).
4. security monitoring video camera according to claim 3, it is characterized in that: described DC/DC switch power module (73) is used for that input voltage is converted to 3.3V voltage to be exported, and its output is to described image processor (4) and described optical-electric module (5) power supply; Described first order LDO(741) the 3.3V voltage transitions that is used for input is that 2.8V voltage is exported, and its output is powered to described imageing sensor (3); Described second level LDO(742) the 2.8V voltage transitions that is used for input is that 1.8V voltage is exported, and its output is powered to described imageing sensor (3); Described third level LDO(743) the 1.8V voltage transitions that is used for input is that 1.2V voltage is exported, and its output is powered to described image processor (4).
5. security monitoring video camera according to claim 1, it is characterized in that: described electric supply installation (7) comprise be used to the power interface (72) that connects outside 5V power supply and respectively with described battery (71) be connected the detection control circuit (75) that power interface (72) is connected, described detection control circuit (75) is connected 5 with described imageing sensor (3), described image processor (4) with optical-electric module respectively) be connected.
6. security monitoring video camera according to claim 5, it is characterized in that: when described detection control circuit (75) detects described power interface (72) when power supply is arranged, this detection control circuit (75) is controlled this power interface (72) and is connected conducting with described imageing sensor (3), described image processor (4) and the optical-electric module (5) of being connected respectively; When described detection control circuit (75) detected described power interface (72) without power supply, this detection control circuit (75) was controlled described battery (71) and is connected conducting with described imageing sensor (3), described image processor (4) and the optical-electric module (5) of being connected respectively.
7. according to the described security monitoring video camera of above arbitrary claim, it is characterized in that: described battery (71) adopts 3.7V power supply output; Be provided with the charging inlet (76) that joins with this battery (71) at described casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220468757 CN202889475U (en) | 2012-09-14 | 2012-09-14 | Security camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220468757 CN202889475U (en) | 2012-09-14 | 2012-09-14 | Security camera |
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| CN202889475U true CN202889475U (en) | 2013-04-17 |
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| CN 201220468757 Expired - Fee Related CN202889475U (en) | 2012-09-14 | 2012-09-14 | Security camera |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979481A (en) * | 2017-05-17 | 2017-07-25 | 重庆市光遥光电节能科技有限公司 | A kind of museum's optical fiber lamp |
| CN107370964A (en) * | 2017-07-07 | 2017-11-21 | 深圳市小镜科技有限公司 | A kind of digital usb signal converting system and implementation method for monitoring device |
| CN112083257A (en) * | 2020-09-22 | 2020-12-15 | 中国科学院长春光学精密机械与物理研究所 | CMOS image sensor's testing arrangement |
-
2012
- 2012-09-14 CN CN 201220468757 patent/CN202889475U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979481A (en) * | 2017-05-17 | 2017-07-25 | 重庆市光遥光电节能科技有限公司 | A kind of museum's optical fiber lamp |
| CN107370964A (en) * | 2017-07-07 | 2017-11-21 | 深圳市小镜科技有限公司 | A kind of digital usb signal converting system and implementation method for monitoring device |
| CN107370964B (en) * | 2017-07-07 | 2020-02-07 | 深圳市小镜科技有限公司 | Digital USB signal conversion system for monitoring equipment and implementation method |
| CN112083257A (en) * | 2020-09-22 | 2020-12-15 | 中国科学院长春光学精密机械与物理研究所 | CMOS image sensor's testing arrangement |
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Address after: 518000, Guangdong, Shenzhen province Futian District Shennan Avenue and the junction of agricultural road, northeast side Times Technology Building No. 20, building 2009 Patentee after: QIHAN TECHNOLOGY CO., LTD. Address before: 518000, Guangdong, Shenzhen province Futian District Shennan Avenue and the junction of agricultural road, northeast side Times Technology Building No. 20, building 2009 Patentee before: Qihan Technology Co., Ltd. |
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Address after: 518000, Guangdong, Shenzhen province Futian District Shennan Avenue and the junction of agricultural road, northeast side Times Technology Building No. 20, building 2009 Patentee after: Qihan Technology Co., Ltd. Address before: 518000, Guangdong, Shenzhen province Futian District Shennan Avenue and the junction of agricultural road, northeast side Times Technology Building No. 20, building 2009 Patentee before: QIHAN TECHNOLOGY CO., LTD. |
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