CN203433246U - Small infrared camera - Google Patents
Small infrared camera Download PDFInfo
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- CN203433246U CN203433246U CN201320494631.4U CN201320494631U CN203433246U CN 203433246 U CN203433246 U CN 203433246U CN 201320494631 U CN201320494631 U CN 201320494631U CN 203433246 U CN203433246 U CN 203433246U
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- swing component
- gear
- infrared
- video camera
- camera
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Abstract
The utility model discloses a small infrared camera. The small infrared camera comprises infrared lamps located in a cavity enclosed by a first housing and a second housing, a lens, a lens seat and a circuit board. A swing member is disposed in the lens seat, an infrared optical filter is disposed on the swing member, the cavity is further provided with a swing member drive device for driving the swing member to swing so that the swing member can switch between a first position and a second position, wherein the infrared optical filter is in a working position at the first position, and the infrared optical filter is in a non-working position at the second position. The infrared camera having the structure is provided with the infrared lamps disposed in the housing, an optical-filter automatic switching function can be achieved, and automatic switching of the optical filter can be realized by utilizing the swing member, so the small infrared camera has the advantages of simple overall structure, high reliability and small occupation space, and miniaturization of an infrared camera can be achieved.
Description
Technical field
The utility model relates to electronic monitoring equipment technical field, particularly relates to a kind of Minitype infrared video camera.
Background technology
Video camera is a kind of conventional electronic monitoring equipment, and a direction of its development is miniaturization.In addition because video camera needs work in 24 hours conventionally.There is no natural light night, video camera is difficult to obtain image clearly.But be the crime time occurred frequently night, be also the emphasis period of monitoring, both developed for this reason can perception visible ray and imaging, also can perception infrared light and the thermal camera of imaging.Wherein, infrared imaging pattern is moved the in the situation that of night or illumination deficiency.Under infrared imaging pattern, the interference for fear of visible ray to infrared imaging, conventionally need to arrange infrared fileter and filter out visible ray.And under visual light imaging pattern, need to remove infrared fileter.Fig. 1 is the installment state schematic diagram of the switching device of optical fiber for thermal camera of the prior art.As shown in Figure 1, camera lens assembly 19 is arranged on lens mount 20, and optical filter assembly 21 is inserted or extracted by manual mode, to adapt to different environment.This kind of optical filter switching mode has larger volume, and needs manual operation.In prior art, also there is the video camera with robotization switching device of optical fiber.But structure is more complicated, volume is larger.The switching device of optical fiber that volume is larger has also hindered the miniaturization of thermal camera.
In the prior art, in order to realize the miniaturization of video camera, conventionally adopt two kinds of technical schemes below.A kind of technical scheme is to cancel infrared imaging function; Another kind of technical scheme is that infrared lamp is arranged on outside video camera, and optical filter is not set.Although these two kinds of technical schemes can realize the miniaturization of video camera, make video camera lose infrared imaging function, or infrared imaging performance is declined greatly.For example, infrared light-emitting device is arranged on outside video camera, although can reduce the volume of thermal camera, but infrared light-emitting device easily damages loss, can not ensure the reliability of watch-dog, and under the larger applied environment of the vibrations such as vehicle-mounted use, external infrared light-emitting device easily drops, and causes the damage of personal injury or picture pick-up device.
Therefore, wish the above-mentioned defect that a kind of Minitype infrared video camera overcomes or at least alleviate prior art.
Utility model content
The purpose of this utility model is to provide a kind of Minitype infrared video camera to overcome or at least alleviate the above-mentioned defect of prior art.
For achieving the above object, the utility model provides a kind of Minitype infrared video camera, described Minitype infrared video camera comprises interconnective the first shell and second housing, and the infrared lamp that is positioned at the cavity that described the first shell and second housing enclose, camera lens, lens mount and circuit board, described infrared lamp is arranged on the radial outside of described camera lens, within described lens mount, be provided with swing component, described swing component is between described camera lens and described circuit board, and can in the plane perpendicular to described camera lens optical axis, swing, on described swing component, be provided with infrared fileter, in described cavity, be further provided with swing component drive unit, described swing component drive unit and described swing component are in transmission connection, order about described swing component to swing and make it to switch between primary importance and the second place, wherein, in described primary importance, described infrared fileter is in working position, in the described second place, described infrared fileter is in off-position.
The thermal camera of said structure has setting infrared lamp in the enclosure, and can realize optical filter automatic switching function, and owing to adopting swing component to realize the automatic switchover of optical filter, one-piece construction is simple, reliability is high, takes up room less, can realize the miniaturization of thermal camera.
Preferably, described swing component drive unit is stepper motor.
Preferably, described swing component periphery is with the tooth of fan-shaped distribution, and is in transmission connection by gear transmission mode and described stepper motor.
Preferably, between the output shaft of described stepper motor and described swing component, be gearing-down.
Preferably, described Minitype infrared video camera further comprises the pinion wheel on the output shaft that is positioned at described stepper motor, and the gear shaft between the tooth of the fan-shaped distribution of described pinion wheel and described swing component periphery, on described gear shaft, be provided with the first gear and the second gear, described the first gear and the engagement of described pinion wheel, the tooth engagement of the fan-shaped distribution of described the second gear and described swing component periphery.
Preferably, the ratio of gear between described pinion wheel and described the first gear is more than or equal to 2:1; Ratio of gear between the tooth of the fan-shaped distribution of described the second gear and described swing component periphery is more than or equal to 2:1.
Preferably, be further provided with white glass on described swing component, in described primary importance, described white glass is in off-position, and in the described second place, described white glass is in working position.
Preferably, described white glass and described infrared fileter are fixed to described swing component by the mode of partial points glue.
Preferably, described infrared fileter is to block the optical filter that centre wavelength is the visible ray below 800nm.
Accompanying drawing explanation
Fig. 1 is the installment state schematic diagram of the switching device of optical fiber for thermal camera of the prior art.
Fig. 2 is according to the decomposing state schematic diagram of the Minitype infrared video camera of the utility model one embodiment.
Fig. 3 is the decomposing state schematic diagram of dome camera of the Minitype infrared video camera of one embodiment of the utility model shown in Fig. 2.
Fig. 4 is the decomposing state schematic diagram of the lens assembly of dome camera shown in Fig. 3.
Fig. 5 is the decomposing state schematic diagram of the switching device of optical fiber of lens assembly shown in Fig. 4.
Fig. 6 a and Fig. 6 b are the schematic diagram that is illustrated in the diverse location of two kinds of duty bottom moving parts.
Reference numeral:
1 | |
12 | |
2 | |
13 | |
3 | |
14 | Cover plate |
4 | |
15 | Electro- |
5 | |
16 | Gear mechanism |
6 | |
17 | Swing component |
7 | |
18 | Fore shell |
8 | |
19 | Camera lens assembly |
9 | Camera |
20 | |
10 | |
21 | |
11 | Switching device of |
71 | The installation shaft of swing component |
Embodiment
For object, technical scheme and advantage that the utility model is implemented are clearer, below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is further described in more detail.In the accompanying drawings, same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Described embodiment is the utility model part embodiment, rather than whole embodiment.Below by the embodiment being described with reference to the drawings, be exemplary, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as the restriction to the utility model protection domain.
Fig. 2 is according to the decomposing state schematic diagram of the Minitype infrared video camera of the utility model one embodiment.Fig. 3 is the decomposing state schematic diagram of dome camera 4 of the Minitype infrared video camera of one embodiment of the utility model shown in Fig. 2.Fig. 4 is the decomposing state schematic diagram of the lens assembly 8 of dome camera shown in Fig. 3.Fig. 5 is the decomposing state schematic diagram of the switching device of optical fiber 11 of lens assembly shown in Fig. 48.
Diagram Minitype infrared video camera comprises interconnective episphere 6(the first shell) and lower semisphere 9(second housing), and the lamp plate 7(infrared lamp that is positioned at the cavity that described the first shell and second housing enclose), lens assembly 8, lens mount (the main fore shell 18 by infrared switching device shifter forms in the illustrated embodiment) and circuit board 12.Described infrared lamp is arranged on the radial outside of described camera lens, within described lens mount, be provided with swing component, described swing component is between described camera lens and described circuit board, and can in the plane perpendicular to described camera lens optical axis, swing, on described swing component, be provided with infrared fileter, in described cavity, be further provided with swing component drive unit, described swing component drive unit and described swing component are in transmission connection, order about described swing component to swing and make it to switch between primary importance and the second place, wherein, in described primary importance, described infrared fileter is in working position, in the described second place, described infrared fileter is in off-position.
Fig. 5 illustrates the switching device of optical fiber 11 of above-mentioned Minitype infrared video camera, and switching device of optical fiber 11 comprises, cover plate 14, motor 15, gear mechanism 16, swing component 17 and fore shell 18.
On swing component 17, there are two holes, wherein in a hole, be provided with infrared fileter, in an other hole, be provided with white glass, and swing component 17 peripheries are with the tooth of fan-shaped distribution, by gear mechanism 16 and described swing component drive unit, are that electro-motor 15 is connected.Gear mechanism 16 comprises the pinion wheel on the output shaft that is arranged on electro-motor 15, and be arranged on the first gear and the second gear on the gear shaft parallel with described output shaft, wherein, described the first gear and the engagement of described pinion wheel, the tooth engagement of the fan-shaped distribution of described the second gear and described swing component periphery.
Advantageously, for example, between the output shaft of described electro-motor (stepper motor) and described swing component, be gearing-down.For example, the ratio of gear between described pinion wheel and described the first gear is more than or equal to 2:1; Ratio of gear between the tooth of the fan-shaped distribution of described the second gear and described swing component periphery is more than or equal to 2:1.
Described infrared fileter can be for example to block the optical filter that centre wavelength is the visible ray below 800nm.
Described switching device of optical fiber 11, simultaneously also as lens mount, is provided with the mounting structure of camera lens 10 on the fore shell 18 of switching device of optical fiber 11, can match with camera lens 10, for installing and fixed lens 10.
Advantageously, on fore shell 18, also there is the mounting hole of installation shaft 71, electro-motor 15 placement mechanisms and the cover plate 14 of swing component 17, can make optical filter converter device 11 safe and reliable be placed on enclosure interior.
Figure 6 shows that above-mentioned switching device of optical fiber is at the schematic diagram of the position of two kinds of duty bottom moving parts 17.By swing component drive unit (electro-motor 15), provide power, order about described swing component 17 switches swing component 17 around installation shaft 71 swings between primary importance and the second place, wherein, in described primary importance, described infrared fileter is in working position, in the described second place, described infrared fileter is in off-position.
Fig. 4 is the decomposing state schematic diagram of the lens assembly 8 of above-mentioned thermal camera.Described lens assembly 8 comprises camera lens 10, switching device of optical fiber 11 and circuit board 12, camera lens 10 is arranged on the fore shell 18 of switching device of optical fiber 11, circuit board 12 and cover plate 14 are in a side, can be bolted with fore shell 18 and link together, above-mentioned electro-motor 15 is connected with circuit board 12, by circuit board 12, is electro-motor 15 power supplies.
Fig. 3 is the decomposing state schematic diagram of the dome camera 4 of described thermal camera.Described dome camera 4 comprises camera episphere 6, infrared light board 7, lens assembly 8 and camera lower semisphere 9, in the middle of described infrared light board 7, is provided with circular hole, and the size of described circular hole can make camera lens 10 pass.Infrared light board, lens assembly are installed to after episphere 6 successively, by episphere and lower semisphere 9 closing lids, by screw, fix, complete the assembling of dome camera.
Fig. 2 is according to the decomposing state schematic diagram of the thermal camera of the utility model one embodiment.Described thermal camera comprises translucent cover 1, upper cover 2, pressure ring 3, dome camera 4 and base 5.Dome camera 4 is installed on base 5 by pressure ring 3, then the cover assembly being comprised of translucent cover 1 and upper cover 2 is installed on base 5, by the screw mode such as fix, fixes, and completes final assembly.
The switching device of optical fiber of above-mentioned thermal camera is simple in structure, and as lens mount, use simultaneously, effectively reduced the shared space of switching device of optical fiber in thermal camera, by gear mechanism, switch optical filter, by there being tooth mechanical position limitation, the large work that optical filter still can be safe and reliable under the ectocines such as vibration of confining force, has effectively improved the reliability of optical filter converter device.The above-mentioned switching device of optical fiber for thermal camera is applied in to thermal camera, has effectively reduced thermal camera volume, the installation of being convenient to thermal camera is placed, and infrared light-emitting device and can improve the reliability of thermal camera.
Finally it is to be noted: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit.Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (9)
1. a Minitype infrared video camera, it is characterized in that, comprise interconnective the first shell and second housing, and the infrared lamp that is positioned at the cavity that described the first shell and second housing enclose, camera lens, lens mount and circuit board, described infrared lamp is arranged on the radial outside of described camera lens, within described lens mount, be provided with swing component, described swing component is between described camera lens and described circuit board, and can in the plane perpendicular to described camera lens optical axis, swing, on described swing component, be provided with infrared fileter, in described cavity, be further provided with swing component drive unit, described swing component drive unit and described swing component are in transmission connection, order about described swing component to swing and make it to switch between primary importance and the second place, wherein, in described primary importance, described infrared fileter is in working position, in the described second place, described infrared fileter is in off-position.
2. Minitype infrared video camera as claimed in claim 1, is characterized in that, described swing component drive unit is stepper motor.
3. Minitype infrared video camera as claimed in claim 2, is characterized in that, described swing component periphery is with the tooth of fan-shaped distribution, and is in transmission connection by gear transmission mode and described stepper motor.
4. Minitype infrared video camera as claimed in claim 3, is characterized in that, between the output shaft of described stepper motor and described swing component, is gearing-down.
5. Minitype infrared video camera as claimed in claim 4, it is characterized in that, further comprise the pinion wheel on the output shaft that is positioned at described stepper motor, and the gear shaft between the tooth of the fan-shaped distribution of described pinion wheel and described swing component periphery, on described gear shaft, be provided with the first gear and the second gear, described the first gear and the engagement of described pinion wheel, the tooth engagement of the fan-shaped distribution of described the second gear and described swing component periphery.
6. Minitype infrared video camera as claimed in claim 5, is characterized in that, the ratio of gear between described pinion wheel and described the first gear is more than or equal to 2:1; Ratio of gear between the tooth of the fan-shaped distribution of described the second gear and described swing component periphery is more than or equal to 2:1.
7. Minitype infrared video camera as claimed in claim 1, is characterized in that, is further provided with white glass on described swing component, and in described primary importance, described white glass is in off-position, and in the described second place, described white glass is in working position.
8. Minitype infrared video camera as claimed in claim 7, is characterized in that, described white glass and described infrared fileter are fixed to described swing component by the mode of partial points glue.
9. Minitype infrared video camera as claimed in claim 1, is characterized in that, described infrared fileter is to block the optical filter that centre wavelength is the visible ray below 800nm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320494631.4U CN203433246U (en) | 2013-08-14 | 2013-08-14 | Small infrared camera |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320494631.4U CN203433246U (en) | 2013-08-14 | 2013-08-14 | Small infrared camera |
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CN203433246U true CN203433246U (en) | 2014-02-12 |
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CN201320494631.4U Expired - Lifetime CN203433246U (en) | 2013-08-14 | 2013-08-14 | Small infrared camera |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108010266A (en) * | 2017-11-10 | 2018-05-08 | 陈永 | A kind of closely electric safety early warning device of construction machinery |
CN110902607A (en) * | 2019-12-30 | 2020-03-24 | 未来机器人(深圳)有限公司 | Unmanned forklift and visual recognition device thereof |
CN110996070A (en) * | 2019-12-23 | 2020-04-10 | 天地(常州)自动化股份有限公司 | Digital image equipment acquired by camera and filtering method |
-
2013
- 2013-08-14 CN CN201320494631.4U patent/CN203433246U/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108010266A (en) * | 2017-11-10 | 2018-05-08 | 陈永 | A kind of closely electric safety early warning device of construction machinery |
CN108010266B (en) * | 2017-11-10 | 2021-04-16 | 江涛 | Nearly electric safety precaution device of construction machinery |
CN110996070A (en) * | 2019-12-23 | 2020-04-10 | 天地(常州)自动化股份有限公司 | Digital image equipment acquired by camera and filtering method |
CN110902607A (en) * | 2019-12-30 | 2020-03-24 | 未来机器人(深圳)有限公司 | Unmanned forklift and visual recognition device thereof |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20140212 |
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CX01 | Expiry of patent term |