CN107509064A - Wisdom cell management system and its method of work - Google Patents

Wisdom cell management system and its method of work Download PDF

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Publication number
CN107509064A
CN107509064A CN201710929325.1A CN201710929325A CN107509064A CN 107509064 A CN107509064 A CN 107509064A CN 201710929325 A CN201710929325 A CN 201710929325A CN 107509064 A CN107509064 A CN 107509064A
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CN
China
Prior art keywords
lens
intercom system
negative
group
cell management
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Pending
Application number
CN201710929325.1A
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Chinese (zh)
Inventor
王小绪
王力
李秋盛
陈阳
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Nanjing Zhonggao Intellectual Property Co Ltd
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Nanjing Zhonggao Intellectual Property Co Ltd
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Application filed by Nanjing Zhonggao Intellectual Property Co Ltd filed Critical Nanjing Zhonggao Intellectual Property Co Ltd
Priority to CN201710929325.1A priority Critical patent/CN107509064A/en
Publication of CN107509064A publication Critical patent/CN107509064A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
    • H04N7/186—Video door telephones
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
    • G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
    • G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit

Abstract

The present invention relates to a kind of wisdom cell management system and its method of work, this wisdom cell management system includes：Positioned at the first intercom system at gate inhibition downstairs, the second intercom system in owner room, and the 3rd intercom system positioned at cell monitoring center；Image data, the speech data that wherein the first intercom system is suitable to collection visitor are sent to the second intercom system and/or the 3rd intercom system；Second intercom system and/or the 3rd intercom system are suitable to send the speech data of owner and/or administrative staff to the first intercom system, realize Three-Way Calling.The wisdom cell management system of the present invention can realize visitor, owner and property management personnel's Three-Way Calling, and visitor's identity is further confirmed that by the second intercom system, the 3rd intercom system, when emergency case occurs, property can be asked solve, improve the security of cell.

Description

Wisdom cell management system and its method of work
Technical field
The present invention relates to a kind of management system, particularly relates to a kind of wisdom cell management system.
Background technology
At present, newly-built residential quarters can pass through intercom system and industry equipped with visiting system, visiting guest Main contact；But if when encountering problems, because owner can not seek help property, property can not also understand the situation of visitor, therefore, ask Topic is not easy to be solved.
Therefore, based on above mentioned problem, it is necessary to design a kind of wisdom cell management system that can realize Three-Way Calling and its Method of work.
The content of the invention
It is an object of the invention to provide a kind of wisdom cell management system and its method of work.
In order to solve the above-mentioned technical problem, the invention provides a kind of wisdom cell management system, including：
Positioned at the first intercom system at gate inhibition downstairs, the second intercom system in owner room, and
The 3rd intercom system positioned at cell monitoring center；Wherein
First intercom system be suitable to collection visitor image data, speech data send to the second intercom system and/or 3rd intercom system；
Second intercom system and/or the 3rd intercom system are suitable to send out the speech data of owner and/or administrative staff The first intercom system is delivered to, realizes Three-Way Calling.
Further, first intercom system includes：First central processing unit, it is electrically connected with first central processing unit Wide-angle high definition day and night camera, sound pick-up and loudspeaker；
Second intercom system includes：Second central processing unit, the pickup being electrically connected with second central processing unit Device, loudspeaker and display module；And
3rd intercom system includes：3rd central processing unit, the pickup being electrically connected with the 3rd central processing unit Device, loudspeaker and display module；And
Communicated between first intercom system, the second intercom system and the 3rd intercom system by serial ports.
Further, the wide-angle high definition day and night camera includes：Miniature video camera lens combination；The miniature video camera is saturating Mirror system includes preceding group lens and rear group lens successively from object side, wherein group lens include successively from object side before described Convex surface facing the first negative crescent moon lens, the second negative lens, the 3rd negative lens, the 4th positive lens, the 5th negative lens of object side；Institute State rear group of lens includes the 6th positive lens, the 7th negative lens, the 8th positive lens, the 9th negative lens, the tenth successively from object side Positive lens, the 6th positive lens are biconvex lens；Airspace between first negative the crescent moon lens and the second negative lens is 5.95~7.80mm, the airspace between the 6th positive lens and the 7th negative lens is 2.75~0.10mm, described preceding group Airspace between lens and the 6th positive lens is 5.75~9.35mm；Wherein, object side is most leaned on from the preceding group of lens The lens surfaces of the first negative crescent moon lens be most by the lens surface of the 6th positive lens of object side to group lens after described The distance on optical axis only is expressed as D1, and the focal length of the imaging lens module is expressed as f, the focal length table of lens is organized after described Fb is shown as, and meets relational expression：
0.33 ＜ f/fb ＜ 0.7,
1.0 ＜ D1/f ＜ 5.1.
Further, refractive indexes to d line of the NdfL as the 5th negative lens is set, vdfL is the 5th negative lens To the Abbe number of d lines, vd2p is the positive lens for the compound lens that the 6th positive lens and the 7th negative lens are formed to d lines Abbe number, vd2n are the Abbe number to d lines of the negative lens for the compound lens that the 6th positive lens and the 7th negative lens are formed, And meet following relationship：
NdfL ＞ 3.8,
50 ＜ vdfL ＜ 58,
8 ＜ vd2p-vd2n ＜ 44.
Further, the NdfL ＞ 4.8.
Further, the miniature video camera lens combination also meets following relationship：
0.4 ＜ (CT1+CT2+CT3+CT4+CT5)/f ＜ 0.55, wherein
The focal length of the imaging lens module is f, and thickness of the first negative crescent moon lens on optical axis is CT1, it is described Thickness of second negative lens on optical axis is CT2, thickness of the 3rd negative lens on optical axis is CT3, the 4th positive lens Thickness on optical axis is CT4, thickness of the 5th negative lens on optical axis is CT5。
Further, the Abbe number of the first negative crescent moon lens of the preceding group lens is less than 18, the Abbe number of the second negative lens More than 13 and less than 32, the Abbe number of the 3rd negative lens is more than 23 and less than 35, the Abbe number of the 4th positive lens and the 5th negative The ratio of the Abbe number of mirror is more than 3.5 and less than 4.3.
Further, the preceding group lens and the rear group lens comprise at least one group of compound lens.
Further, the second negative lens and the 3rd negative lens of the preceding group lens, and the rear group lens the 8th are just saturating Mirror and the 9th negative lens, have respectively constituted compound lens.
Another aspect, present invention also offers a kind of method of work of wisdom cell management system, including：
Positioned at the first intercom system at gate inhibition downstairs, the second intercom system in owner room, and
The 3rd intercom system positioned at cell monitoring center；Wherein
First intercom system be suitable to collection visitor image data, speech data send to the second intercom system and/or 3rd intercom system；
Second intercom system and/or the 3rd intercom system are suitable to send out the speech data of owner and/or administrative staff The first intercom system is delivered to, realizes Three-Way Calling.
Beneficial effects of the present invention：The wisdom cell management system and its method of work of the present invention can realize visitor, industry Advocate peace property management personnel's Three-Way Calling, and traveling one is entered to visitor's identity by the second intercom system, the 3rd intercom system Step confirms, when emergency case occurs, property can be asked solve, improve the security of cell.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of wisdom cell management system provided by the invention；
Fig. 2 is the schematic diagram according to the camera-lens system under wide-angle pattern of exemplary embodiment；
Fig. 3 is the schematic diagram according to the camera-lens system in the case where taking the photograph apotype of exemplary embodiment.
Embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
Embodiment 1
As shown in figure 1, a kind of wisdom cell management system that the present embodiment provides, including：
Positioned at the first intercom system at gate inhibition downstairs, the second intercom system in owner room, and positioned at cell 3rd intercom system of Surveillance center；Wherein the first intercom system is suitable to the image data of collection visitor, speech data is sent To the second intercom system and/or the 3rd intercom system；Second intercom system and/or the 3rd intercom system are suitable to owner And/or the speech data of administrative staff is sent to the first intercom system, realizes Three-Way Calling.
In the present embodiment, first intercom system includes：First central processing unit, with first central processing unit electricity Property connection wide-angle high definition day and night camera, sound pick-up and loudspeaker；Second intercom system includes：Second centre Device is managed, sound pick-up, loudspeaker and the display module being electrically connected with second central processing unit；And the 3rd intercom system Including：3rd central processing unit, sound pick-up, loudspeaker and the display module being electrically connected with the 3rd central processing unit；And Communicated between first intercom system, the second intercom system and the 3rd intercom system by serial ports.
First, second, and third central processing unit can use arm processor, and the serial port can be with But it is not limited to use RS485 communication interface combination PELCO video monitoring communication protocols.
The wisdom cell management system of the present invention can realize visitor, owner and property management personnel's Three-Way Calling, and Visitor's identity is further confirmed that by the second intercom system, the 3rd intercom system, when emergency case occurs, can be asked Ask property solve, improve the security of cell.
One of part important as the first intercom system, along with the trend toward miniaturization of the first intercom system, it is installed Camera be also required to that there is corresponding miniaturization, and for the definition requirement also more and more higher of shooting, i.e., for shooting The optical lens also performance such as further requirement high-resolution in head.Other most camera can only be in the enough feelings of brightness Enough images are photographed under condition, especially night can not obtain clearly image under dark environment.
And recorded with being aware that to even connect the small details of object, to show the high definition image of visitor, just In identification, lens system should be compensated satisfactorily in aberration caused by the neighboring area of image.However, common ight shooting Head is difficult to minimize lens system if high optical property to be realized, and in order that such lens system minimizes meeting Increase manufacturing cost.Accordingly, it is difficult to meet high optical property and low manufacturing cost simultaneously.The zoom of camera in the prior art Camera-lens system have can satisfactorily aberration for compensation, but with lens system overall size increase the problem of.
The wide-angle high definition day and night camera, it has a kind of miniature video camera lens combination, and the miniature video camera is saturating Mirror system includes preceding group lens and rear group lens successively from object side.The miniature video camera lens system structure is compact, F numbers Small, wide-angle and there is good optical property.
Fig. 2 and Fig. 3 is the schematic diagram according to the miniature video camera lens combination of exemplary embodiment.Fig. 2 is shown in wide-angle mould Miniature video camera lens combination under formula, Fig. 3 show the miniature video camera lens system in the case where taking the photograph apotype according to exemplary embodiment System.
Included successively from object side O into image side I according to the miniature video camera lens combination of exemplary embodiment：Preceding group of lens 10th, diaphragm ST and rear group lens 20.Optical block G as such as optical light filter or panel may be placed at rear group of lens 20 Between image planes IP.
As shown in Figures 2 and 3, such miniature video camera lens combination according to exemplary embodiment can be configured as along light Lens 20 are organized to perform zoom after direction of principal axis movement.Preceding group of lens 10 can be configured as moving along optical axis direction, and then be configured To perform focusing by compensating due to the fluctuation of change image plane and caused by of the distance to object side O.Here, preceding group it is saturating Mirror 10 has negative refractive power, and rear group lens 20 have positive refractive power.
Specifically, preceding group of lens 10 from object side O into image side I include the first negative crescent moon lens 11, the second negative lens 12, 3rd negative lens 13, the 4th positive lens 14, the 5th negative lens 15, wherein, the first negative crescent moon lens 11 of the preceding group lens 10 Abbe number be less than 18, the Abbe number of the second negative lens 12 is more than 13 and less than 32, and the Abbe number of the 3rd negative lens 13 is more than 23 And less than 35, the ratio of the Abbe number of the 4th positive lens 14 and the Abbe number of the 5th negative lens 15 is more than 3.5 and less than 4.3.
High refractive power is needed to improve the negative crescent moon lens 11 and second of first with negative refractive power in preceding group of lens 10 The magnifying power of negative lens 12, i.e. need high refractive power to improve the zoom ratio of the first negative negative lens 12 of crescent moon lens 11 and second Rate.Therefore, each needed in the first negative negative lens 12 of crescent moon lens 11 and second with high index of refraction.Accordingly, even if zoom Ratio increase, the overall size of camera-lens system can be also miniaturized.In addition, it is necessary to by the first negative crescent moon in preceding group of lens 10 Difference between the Abbe number of the Abbe number of lens 11 and the second negative lens 12 is arranged to larger, so as to compensate putting for preceding group of lens 10 Aberration during big rate increase.
Airspace between first negative the crescent moon lens and the second negative lens is 5.95~7.80mm, and the described 6th just Airspace between lens and the 7th negative lens is 2.75~0.10mm, and the sky between lens and the 6th positive lens is organized before described Gas is at intervals of 5.75~9.35mm.
Meanwhile when the Abbe number of the first negative negative lens 12 of crescent moon lens 11 and second meets above-mentioned condition, leave as flat Face center can satisfactorily be compensated up to the aberration of the peripheral part of 0.5 visual field or more, but from image plane center 0.5 The aberration of middle body within visual field needs to compensate by other method.In other words, it is necessary to control the 4th positive lens The Abbe number of Abbe number and the 5th negative lens, to compensate the aberration of middle body.Therefore, the Abbe number and the 5th of the 4th positive lens The ratio of the Abbe number of negative lens is more than 3.5 and less than 4.3.
In addition, NdfL：The refractive index to d lines of 5th negative lens, vdfL：5th negative lens to d lines Abbe number, vd2p：The Abbe number to d lines of the positive lens for the compound lens that 6th positive lens and the 7th negative lens are formed, vd2n：The Abbe number to d lines of the negative lens for the compound lens that 6th positive lens and the 7th negative lens are formed, meets following Relational expression：
NdfL ＞ 3.8,
50 ＜ vdfL ＜ 58,
8 ＜ vd2p-vd2n ＜ 44.
More preferably, the NdfL ＞ 4.8.
Meet following relationship：0.4 ＜ (CT1+CT2+CT3+CT4+CT5)/f ＜ 0.55, wherein,
The focal length of the imaging lens module is f, and thickness of the first negative crescent moon lens on optical axis is CT1, it is described Thickness of second negative lens on optical axis is CT2, thickness of the 3rd negative lens on optical axis is CT3, the 4th positive lens Thickness on optical axis is CT4, thickness of the 5th negative lens on optical axis is CT5。
Because the 3rd negative lens 13 and the 4th positive lens 14 are glued together and balsaming lens is formed, therefore balsaming lens The compensation of aberration of middle body can pass through the refractive index of the refractive index and the 4th positive lens 14 that increase by the 3rd negative lens 13 Difference performs.Meanwhile when the 4th positive lens Abbe number and the 5th negative lens Abbe number ratio it is excessive when, it can be seen that as Difference increase.
Wherein, D1 represent from the preceding group of lens most by object side the first negative crescent moon lens lens surface to described That organizes lens afterwards most represents whole wide-angle by the distance on optical axis untill the lens surface of the 6th positive lens of object side, f The focal length of high definition day and night miniature imaging lens, the focal length of group lens, meets relational expression after fb represents described：
0.33 ＜ f/fb ＜ 0.7,
1.0 ＜ D1/f ＜ 5.1.
It can be miniaturized, and made us in its overall size according to the miniature video camera lens combination of exemplary embodiments mentioned above Satisfactorily perform the compensation to aberration.
Organize lens 20 afterwards includes the 6th positive lens 21, the 7th negative lens 22, the 8th positive lens from object side O into image side I 23rd, the 9th negative lens 24, the tenth positive lens 25, the 6th positive lens 21 are biconvex lens,.
The construction of group lens 20 can also contribute to the miniaturization of overall size after such, while to camera-lens system In aberration satisfactorily perform compensation.Especially, the 6th positive lens 21 may include at least one aspherical, with satisfactory Ground performs the compensation to aberration.Tenth positive lens 25 of meniscus shape may include at least one aspherical and have positive dioptric simultaneously Power.Therefore, can satisfactorily compensate can be in coma caused by neighboring area for group lens 20 afterwards.
The aberration of peripheral part is compensated according to the miniature video camera lens combination of exemplary embodiments mentioned above and kept simultaneously The miniaturization of overall size.In addition, miniature video camera lens combination effectively compensates for the color from visible region near infrared light region Difference.Therefore, when being applied to utilize by image pick-up device on daytime according to the miniature video camera lens combination of exemplary embodiment Visible ray capture images and night by image pick-up device utilize near infrared light capture images image capture system when, then It can suppress phenomena such as out of focus when being converted to Night from day mode or being converted to day mode from Night.Cause This, without random daytime or night, can capture the image of high quality.
Table 1 below and table 2 show the design data of the miniature video camera lens combination shown in Fig. 2 and Fig. 3.In design data In, r represents radius of curvature (unit：Mm), d represents the thickness (unit in lens centre in form：Mm) or between two lens Spacing (unit：Mm), nd expression refractive index, vd represent Abbe number.
Table 1
In table 1, S8 represents diaphragm ST surface, and S19 and S20 represent the surface of optical block G both sides, and S21 tables Show image planes IP surface.In addition, in table 1, * represents aspherical.
Table 2 shows the asphericity coefficient of the miniature video camera lens combination shown in Fig. 2 and Fig. 3.In table 2, E-m (m:It is natural Number) expression × 10-m.
Table 2
Surface number K A B C D
S9 -1.2300 5.45E-05 -9.54E-07 -7.67E-08 -5.22E-11
S10 -3.4058 1.40E-04 -6.64E-07 -1.27E-07 8.13E-10
S17 0 4.07E-04 -9.97E-06 7.86E-07 -4.24E-08
S18 0 5.97E-04 -1.75E-05 1.53E-06 -7.27E-08
Table 3 show shown in Fig. 2 and Fig. 3 respectively in wide-angle pattern and Jiao of miniature video camera lens combination taken the photograph under apotype Away from (f, unit：Mm), f numbers (Fno), the angle of visual field (FOV, unit °) and variable range (unit：mm).
Table 3
f Fno FOV D7 D8 D18
Wide-angle pattern 2.93 1.25 71.81 18.64 8.94 3.8
Take the photograph apotype 8.55 2.34 23.28 2.43 0.75 11.99
Further, the lens of the rear group lens are aspherical including at least one, and the Abbe number of the 6th positive lens is more than 30 and less than 45, the ratio of the Abbe number of the 7th negative lens and the Abbe number of the tenth positive lens is more than 1.5 and is less than 3.0.
Diaphragm is provided between the preceding group of lens and the rear group lens, diaphragm size can be adjusted.
Meet the ＜ of relational expression 2.0 | R6a/f | ＜ 3.5, wherein, the 6th positive lens of group lens after R6a represents described Object side surface radius of curvature.
Group lens and the rear group lens comprise at least one group of compound lens before described.
The second negative lens and the 3rd negative lens of group lens before described, and the rear group positive lens of lens the 8th and the 9th Negative lens, compound lens is respectively constituted.
Meet the ＜ of relational expression 0.3 | R10a/f | ＜ 1.0, wherein, the described tenth of group lens is just saturating after R10a represents described The radius of curvature of mirror object side surface.
As described above, according to exemplary embodiment, can be achieved satisfactorily to compensate for the miniature video camera lens system of aberration System, so that the camera for possessing the wisdom cell management system of the miniature video camera lens realizes wide-angle high definition day and night. However, above-mentioned miniature video camera lens combination does not limit present inventive concept.
In summary, in wisdom cell management system of the invention miniature video camera lens combination by being arranged successively from object side Preceding group of lens are shown, the ten chip architectures composition that rear group lens form, to ten powers of a lens arrangements and most by object side The shape of lens is suitably set, and is formed in a manner of conditional as defined in satisfaction, therefore can provide compact-sized, F The small, wide-angles of number and wide-angle high definition day and night camera with good optical property and possesses the wide-angle high definition day and night two With the wisdom cell management system of camera.
This miniature video camera lens combination is aided in from high refraction, the optical glass material of low dispersion by computer opticses Design and optimization correct various aberrations and the distortion of optical lens, camera lens is realized high-resolution, big thang-kng amount, day and night confocal Etc. performance, this improves the image-capturing resolution that the first intercom system especially arrives at night, is easy to identity of the owner to visitor Examined in detail.
Embodiment 2
On the basis of embodiment 1, the present embodiment additionally provides a kind of wisdom cell management system as described in Example 1 Method of work, including：
Positioned at the first intercom system at gate inhibition downstairs, the second intercom system in owner room, and
The 3rd intercom system positioned at cell monitoring center；Wherein
First intercom system be suitable to collection visitor image data, speech data send to the second intercom system and/or 3rd intercom system；
Second intercom system and/or the 3rd intercom system are suitable to send out the speech data of owner and/or administrative staff The first intercom system is delivered to, realizes Three-Way Calling.
Wherein, concrete principle, structure and the method for work of first, second, and third intercom system be in embodiment 1 Detail parameters are carried out, here is omitted.
It is complete by above-mentioned description, relevant staff using the above-mentioned desirable embodiment according to the present invention as enlightenment Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention Property scope is not limited to the content on specification, it is necessary to determines its technical scope according to right.

Claims (10)

  1. A kind of 1. wisdom cell management system, it is characterised in that including：
    Positioned at the first intercom system at gate inhibition downstairs, the second intercom system in owner room, and
    The 3rd intercom system positioned at cell monitoring center；Wherein
    Image data, the speech data that first intercom system is suitable to collection visitor are sent to the second intercom system and/or the 3rd Intercom system；
    Second intercom system and/or the 3rd intercom system be suitable to by the speech data of owner and/or administrative staff send to First intercom system, realizes Three-Way Calling.
  2. 2. wisdom cell management system according to claim 1, it is characterised in that
    First intercom system includes：First central processing unit, the wide-angle high definition being electrically connected with first central processing unit Day and night camera, sound pick-up and loudspeaker；
    Second intercom system includes：Second central processing unit, the sound pick-up being electrically connected with second central processing unit, raise Sound device and display module；And
    3rd intercom system includes：3rd central processing unit, the sound pick-up being electrically connected with the 3rd central processing unit, raise Sound device and display module；And
    Communicated between first intercom system, the second intercom system and the 3rd intercom system by serial ports.
  3. 3. wisdom cell management system according to claim 2, it is characterised in that
    The wide-angle high definition day and night camera includes：Miniature video camera lens combination；
    The miniature video camera lens combination includes preceding group lens and rear group lens successively from object side, wherein
    It is described before group lens from object side successively include convex surface facing the first negative crescent moon lens of object side, the second negative lens, 3rd negative lens, the 4th positive lens, the 5th negative lens；
    Group lens include the 6th positive lens, the 7th negative lens, the 8th positive lens, the 9th negative successively from object side after described Mirror, the tenth positive lens, the 6th positive lens are biconvex lens；
    Airspace between first negative the crescent moon lens and the second negative lens is 5.95 ~ 7.80mm, the 6th positive lens And the 7th airspace between negative lens is 2.75 ~ 0.10mm, it is described before between air between group lens and the 6th positive lens It is divided into 5.75 ~ 9.35mm；
    Wherein, lens are most organized afterwards to described by the lens surface of the first negative crescent moon lens of object side from the preceding group of lens Most D1, the imaging lens module are expressed as by the distance on optical axis untill the lens surface of the 6th positive lens of object side Focal length be expressed asf, it is described after group lens focal length be expressed asfb, and meet relational expression：
    0.33 ＜f/fb＜ 0.7,
    1.0 ＜ D1/f＜ 5.1.
  4. 4. wisdom cell management system according to claim 3, it is characterised in that
    SettingNdfLFor the refractive index to d lines of the 5th negative lens,vdfLFor pair of the 5th negative lensdThe Abbe of line Number,vd2pPair of the positive lens of the compound lens formed for the 6th positive lens and the 7th negative lensdThe Abbe number of line,vd2n Pair of the negative lens of the compound lens formed for the 6th positive lens and the 7th negative lensdThe Abbe number of line, and meet following Relational expression：
    NdfL＞ 3.8,
    50 ＜vdfL＜ 58,
    8 ＜vd2p-vd2n＜ 44.
  5. 5. wisdom cell management system according to claim 4, it is characterised in that
    It is describedNdfL＞ 4.8.
  6. 6. wisdom cell management system according to claim 5, it is characterised in that
    The miniature video camera lens combination also meets following relationship：
    0.4 ＜ (CT 1 +CT 2 +CT 3 +CT 4 +CT 5)/f＜ 0.55, wherein
    The focal length of the imaging lens module isf, thickness of the first negative crescent moon lens on optical axis isCT 1, described second is negative Thickness of the lens on optical axis isCT 2, thickness of the 3rd negative lens on optical axis isCT 3, the 4th positive lens is in optical axis On thickness beCT 4, thickness of the 5th negative lens on optical axis isCT 5。
  7. 7. wisdom cell management system according to claim 6, it is characterised in that
    The Abbe number of first negative crescent moon lens of group lens is less than 18 before described, and the Abbe number of the second negative lens is more than 13 and is less than 32, the Abbe number of the 3rd negative lens is more than 23 and less than 35, the Abbe number of the 4th positive lens and the Abbe number of the 5th negative lens Ratio is more than 3.5 and less than 4.3.
  8. 8. wisdom cell management system according to claim 7, it is characterised in that
    Group lens and the rear group lens comprise at least one group of compound lens before described.
  9. 9. wisdom cell management system according to claim 8, it is characterised in that
    The second negative lens and the 3rd negative lens of group lens before described, and it is described after the group positive lens of lens the 8th and the 9th negative Mirror, compound lens is respectively constituted.
  10. A kind of 10. method of work of wisdom cell management system, it is characterised in that including：
    Positioned at the first intercom system at gate inhibition downstairs, the second intercom system in owner room, and
    The 3rd intercom system positioned at cell monitoring center；Wherein
    Image data, the speech data that first intercom system is suitable to collection visitor are sent to the second intercom system and/or the 3rd Intercom system；
    Second intercom system and/or the 3rd intercom system be suitable to by the speech data of owner and/or administrative staff send to First intercom system, realizes Three-Way Calling.
CN201710929325.1A 2017-10-09 2017-10-09 Wisdom cell management system and its method of work Pending CN107509064A (en)

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Application publication date: 20171222