CN104883489A - Filter switching device and network camera - Google Patents
Filter switching device and network camera Download PDFInfo
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- CN104883489A CN104883489A CN201510308922.3A CN201510308922A CN104883489A CN 104883489 A CN104883489 A CN 104883489A CN 201510308922 A CN201510308922 A CN 201510308922A CN 104883489 A CN104883489 A CN 104883489A
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- filter
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- conducting
- switching device
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Abstract
The invention relates to a filter switching device and a network camera. The filter switching device comprises a frame body, a filter and a driving unit, wherein the frame body comprises a first conducting element and a second conducting element; the filter is carried on the frame body and comprises a conducting region; the driving unit controls the filter to move on the frame body so as to be switched between a first portion and a second position; the first conducting element and the second conducting element are electrically insulated from each other on the frame body, and the conducting region of the filter is connected to the first conducting element and the second conducting element when the filter is switched to the first position.
Description
Technical field
The present invention relates to a kind of filter switching device shifter and apply its network camera, and in particular to guaranteeing the filter switching device shifter of filter switching action successful execution.
Background technology
In the modern life, network camera (IP camera) is through being usually used in saving purposes from damage.Network camera is by network transmission and receive data, comprises transmission of digital presentation content, uses and has height convenience.
Because the frequent twenty four hours of network camera maintains opening, when day inter mode, for avoiding infrared ray to disturb, Infra red ray eut-off filter lens can be used to remove the infrared light composition in light, avoiding image to produce color offset phenomenon.When Night, then separately can be assisted by infrared light sources, supply light source not enough in natural environment, and make light not by Infra red ray eut-off filter lens, to capture image at night.When pattern switches, how filter in moved between positions, therefore, can design and can guarantee the filter switching device shifter of normal operation and the network camera of correspondence, is one of problem of endeavouring of current industry.
Summary of the invention
The object of the present invention is to provide a kind of filter switching device shifter and apply its network camera, can guarantee that filter switching action is successfully executed.
The invention provides a kind of filter switching device shifter, comprise framework, filter and driver element.Framework comprises the first conducting element and the second conducting element.Filter is carried in framework, and filter comprises conductive region.It is mobile to switch between primary importance and the second place in framework that driver element controls filter.First conducting element and the second conducting element are electrically insulated each other in framework, and when filter switches to primary importance, the conductive region of filter is electrically connected the first conducting element and the second conducting element.
The present invention also provides a kind of network camera, comprises phtographic lens, image sensor, filter switching device shifter and control unit.Filter switching device shifter comprises framework, filter and driver element.Framework comprises the first conducting element and the second conducting element.Filter is carried in framework, and filter comprises conductive region.It is mobile to switch between primary importance and the second place in framework that driver element controls filter, to control the position of filter relative to phtographic lens and image sensor.Control unit detects conducting situation between the first conducting element and the second conducting element to obtain the first testing result, and controls driver element according to the first testing result.First conducting element and the second conducting element are electrically insulated each other in framework, and when filter switches to primary importance, the conductive region of filter is electrically connected the first conducting element and the second conducting element.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Accompanying drawing explanation
Figure 1A illustrates the schematic diagram of the filter switching device shifter according to one embodiment of the invention, and wherein filter is positioned at primary importance;
Figure 1B illustrates the schematic diagram of the filter switching device shifter according to one embodiment of the invention, and wherein filter is positioned at the second place;
Fig. 1 C illustrates the schematic diagram of the filter according to one embodiment of the invention;
Fig. 1 D illustrates the schematic diagram of the filter switching device shifter according to one embodiment of the invention;
Fig. 1 E illustrates the schematic diagram of the filter switching device shifter according to one embodiment of the invention;
Fig. 2 illustrates the schematic diagram that control unit connects the filter switching device shifter according to one embodiment of the invention;
Fig. 3 A illustrates the schematic diagram of the framework of the filter switching device shifter according to one embodiment of the invention;
Fig. 3 B illustrates the schematic diagram of the filter switching device shifter according to one embodiment of the invention;
Fig. 4 illustrates the schematic diagram that control unit connects the filter switching device shifter according to one embodiment of the invention;
Fig. 5 illustrates the connecting circuit figure between control unit and each conducting element;
Fig. 6 A illustrates the schematic diagram of the framework of the filter switching device shifter according to one embodiment of the invention;
Fig. 6 B illustrates the schematic diagram of the filter switching device shifter according to one embodiment of the invention;
Fig. 7 illustrates the schematic diagram of the network camera according to one embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing, structural principle of the present invention and operation principle are described in detail:
Figure 1A illustrates the schematic diagram of the filter switching device shifter 10 according to first embodiment of the invention.Filter switching device shifter 10 comprises filter 102, driver element 104 and framework 106.Filter 102 is carried in framework 106, it is mobile to switch between primary importance P1 and second place P2 in framework 106 that driver element 104 controls filter 102, driver element 104 is such as motor, can provide power that filter 102 is moved between primary importance P1 and second place P2.Figure 1A illustrates when filter 102 is positioned at the schematic diagram of primary importance P1.
Framework 106 can be provided with the chute corresponding to filter 102, and filter 102 can smoothly be moved between primary importance P1 and second place P2, for making diagram know cause, is not illustrated in figure by chute.Framework 106 comprises the first conducting element 111 and the second conducting element 112.
Please refer to Figure 1B, it illustrates the schematic diagram of the filter switching device shifter 10 according to first embodiment of the invention, and wherein filter 102 is positioned at second place P2.In this embodiment, the first conducting element 111 and the second conducting element 112 are arranged in the internal side wall of framework 106, and are arranged at the different corners place of framework 106 respectively.First conducting element 111 and the second conducting element 112 do not limit its material and shape, any conductive material can be used to be formed, such as can coat the position of framework 106 correspondence by conductive paint and form the first conducting element 111 and the second conducting element 112, such as sheet metal can be attached to again the position of framework 106 correspondence, such as sheet metal is fixed in framework 106, to form the first conducting element 111 and the second conducting element 112 by the mode of welding or lock or paste.First conducting element 111 and the second conducting element 112 are electrically insulated each other in framework 106.
Fig. 1 C illustrates the schematic diagram of the filter 102 according to first embodiment of the invention, and what Fig. 1 C represented is the angle of watching filter 102 from the left side of Figure 1B to the right.Filter 102 comprises conductive region 120, in one embodiment, conductive region 120 can formed near filter 102 edge by applying conductive paint, such as shown in Fig. 1 C, on the edge sidewall of filter 102, conductive region 120 can be formed by applying conductive paint, and the shape of conductive region 120 and size do not limit.In another embodiment, filter 102 can be an electric conducting material, or filter 102 can have metal edge frame, and conductive region 120 can be made up of electric conducting material, the position of conductive region 120 can also, such as shown in Fig. 1 C, then not need applying conductive paint in filter 102 in this embodiment.No matter be the mode by applying conductive paint, or use electric conducting material, all can form conductive region 120, conductive region 120 such as can be positioned on the submarginal sidewall of filter 102.When filter 102 switches to primary importance P1, the conductive region 120 of filter 102 is electrically connected the first conducting element 111 and the second conducting element 112, please refer to shown in Figure 1A, the first conducting element 111 and second conducting element 112 conducting each other via conductive region 120.
First conducting element 111 and the second conducting element 112 are electrically insulated each other in framework 106, and in other words, framework 106 itself does not allow the first conducting element 111 and the second conducting element 112 be electrically connected to each other.As shown in Figure 1B, when filter 102 switches to second place P2, the first conducting element 111 and the second conducting element 112 are electrically insulated each other.Therefore, whether when filter 102 is at primary importance P1 and second place P2, the conducting situation between the first conducting element 111 with the second conducting element 112 is not identical, can detect the switching action successful execution of filter 102 by this.
Filter 102 such as comprises Infra red ray eut-off filter lens 130 and clear glass 132, and wherein the region of clear glass 132 can not also arrange any glass, light namely can be allowed unaffected and direct by the region set by clear glass 132.Infra red ray eut-off filter lens 130 can use multicoating and be formed, and to make visible ray penetrate, filters infrared ray, reduces ultrared interference, avoids image to have color offset phenomenon to produce.
In filter switching device shifter 10, first conducting element 111, second conducting element 112 and the position set by conductive region 120 and shape neither limit, as long as meet when filter is switched to primary importance P1, conductive region 120 is electrically connected the condition of the first conducting element 111 and the second conducting element 112.Therefore, the first conducting element 111 and the second conducting element 112 also can not be arranged on the corner of framework 106, as shown in the filter switching device shifter 11 of Fig. 1 D, only can be arranged on the inner side of framework 106.Or the first conducting element 111 and the second conducting element 112 also can be formed at the protuberance on framework 106 sidewall, the end face of protuberance can be coated with conductive paint, as shown in the filter switching device shifter 12 of Fig. 1 E, the bottom that another conductive paint can coat filter 102 keeps to the side place, when making filter 102 be switched to primary importance P1, conductive region 120 bottom filter 102 is electrically connected the first conducting element 111 and the second conducting element 112, i.e. end face of protuberance.
In the filter switching device shifter of the above embodiment of the present invention, by when filter switches to primary importance, the conducting relation formed via conductive region between the first conducting element and the second conducting element, and can confirm whether filter has and be correctly switched to tram.
Whether the switching action that the control unit 20 that filter switching device shifter 10 can connect by outside detects filter 102 normally performs, and control unit 20 is such as processor or Digital Logical Circuits, and Fig. 2 illustrates the schematic diagram that control unit 20 connects filter switching device shifter 10.Control unit 20 detects conducting situation between the first conducting element 111 and the second conducting element 112 to obtain the first testing result, and controls driver element 104 according to the first testing result.For example, when control unit 20 send signal make driver element 104 that filter 102 is switched to primary importance P1 time, control unit 20 expection can detect the first conducting element 111 and the second conducting element 112 conducting, if the first testing result does not meet desired result, then control unit 20 can send signal more again, require that driver element 104 drives filter 102 again, be correctly switched to primary importance P1 to guarantee that filter 102 has.
In the filter switching device shifter of above-described embodiment, the control unit that can connect by exposed electrical, whether normally perform with the switching action detecting filter, and when detecting that switching is abnormal, control unit can control the position that driver element attempts filter to be switched to expection again, can guarantee the normal operation that filter switches.
Fig. 3 A illustrates the schematic diagram of the framework 106 of the filter switching device shifter 13 according to one embodiment of the invention, and Fig. 3 B illustrates the schematic diagram of the filter switching device shifter 13 according to one embodiment of the invention.Be with the difference of previously mentioned embodiment, the framework 106 of filter switching device shifter 13 also comprises the 3rd conducting element 113, first conducting element 111 and the 3rd conducting element 113 are electrically insulated each other in framework 106, when filter 102 switches to second place P2, the conductive region 120 of filter 102 is electrically connected the first conducting element 111 and the 3rd conducting element 113.In this embodiment, conductive region 120 can be positioned at the filter 102 top edges side-walls shown in Fig. 3 B and edge, left side-walls, to make when filter 102 is at second place P2, conductive region 120 is electrically connected the first conducting element 111 and the 3rd conducting element 113, and when filter 102 is at primary importance P1, conductive region 120 is electrically connected the first conducting element 111 and the second conducting element 112.
Therefore, when filter 102 switches to primary importance P1, the first conducting element 111 and the second conducting element 112 conducting, and the first conducting element 111 and the 3rd conducting element 113 insulate; When filter 102 switches to second place P2, the first conducting element 111 and the second conducting element 112 insulate, and the first conducting element 111 and the 3rd conducting element 113 conducting.Whether whether so not only can detect filter 102 to have and be correctly switched to primary importance P1, also can detect filter 102 has and is correctly switched to second place P2.
Fig. 4 illustrates the schematic diagram that control unit 20 connects filter switching device shifter 13, as previously mentioned, control unit 20 can detect conducting situation between the first conducting element 111 and the second conducting element 112 to obtain the first testing result, and control driver element 104 according to the first testing result, and in this embodiment, control unit 20 more can detect conducting situation between the first conducting element 111 and the 3rd conducting element 113 to obtain the second testing result, and control driver element 104 according to the second testing result, when filter 102 does not have successful switch to arrive second place P2, control unit 20 also can send signal to driver element 104 again to switch filter 102.
Owing to detecting whether be correctly switched to primary importance P1 and second place P2, common use the first conducting element 111, therefore more can save the required pin number used of control unit 20, be described in detail as follows.Fig. 5 illustrates the connecting circuit figure between control unit 20 and each conducting element.First conducting element 111 of common use can be connected to the jointly current potential of system, control unit 20 also can be connected to the jointly current potential of system, and the second conducting element 112 and the 3rd conducting element 113 can be connected to power supply supply VDD respectively by resistance R2 and resistance R3.Control unit 20 detects the current potential of the second conducting element 112 and the 3rd conducting element 113, only needs use two pins.Control unit 20 is such as microprocessor, and two universal input and output (General Purpose Input/Output, GPIO) can be used to connect the second conducting element 112 and the 3rd conducting element 113 respectively.When insulating between the first conducting element 111 and the second conducting element 112, control unit 20 detects that the pin of the second conducting element 112 correspondence is high logic level, otherwise, between the first conducting element 111 and the second conducting element 112 during conducting, then control unit 20 detects that the pin of the second conducting element 112 correspondence is low logic level.Whether in like manner, also can detect the conducting situation between the first conducting element 111 and the 3rd conducting element 113, so only needing two pins namely can detect filter 102 has and is correctly switched to primary importance P1 and second place P2.
The implementation method whether detection filter 102 is correctly switched to second place P2 is not limited thereto, and another embodiment is below described.Fig. 6 A illustrates the schematic diagram of the framework 106 of the filter switching device shifter 14 according to one embodiment of the invention, and Fig. 6 B illustrates the schematic diagram of the filter switching device shifter 14 according to one embodiment of the invention.Framework 106 comprises the 3rd conducting element 113 and the 4th conducting element 114,3rd conducting element 113 and the 4th conducting element 114 are electrically insulated each other in framework 106, when filter 102 switches to second place P2, the conductive region 120 of filter 102 is electrically connected the 3rd conducting element 113 and the 4th conducting element 114.Control unit 20 by the conducting situation between detection the 3rd conducting element 113 and the 4th conducting element 114, can judge whether filter 102 is correctly switched to second place P2.
Whether in the filter switching device shifter of the embodiment of Fig. 3 A, Fig. 3 B, Fig. 6 A, Fig. 6 B, more can detect filter has and is correctly switched to the second place.Therefore, no matter be filter will be switched to primary importance or the second place, all can detect whether handover success, and then send corresponding control command, correct to guarantee the switching action of filter.In addition, more due to detect be switched to primary importance and the second place time, a conducting element can be shared, therefore more can save the required pin number used of control unit.
Fig. 7 illustrates the schematic diagram of the network camera 1 according to one embodiment of the invention.Network camera 1 comprises phtographic lens 30, image sensor 40, filter switching device shifter 10 and control unit 20.Network camera 1 is by phtographic lens 30 pick-up image, and image sensor 40 senses by the light of phtographic lens 30 and forms image data.Filter switching device shifter 10 as preceding embodiment describe, comprise filter 102, driver element 104 and framework 106.It is mobile to switch between primary importance P1 and second place P2 in framework 106 that driver element 104 controls filter 102, to control the position of filter 102 relative to phtographic lens 30 and image sensor 40.
When filter 102 is at primary importance P1, arrive image sensor 40 by the light of phtographic lens 30 through clear glass 132, not isolated infrared ray, can be used in Night; And when filter 102 is at second place P2, arrive image sensor 40 by the light of phtographic lens 30 through Infra red ray eut-off filter lens 130, the image color offset phenomenon produced daytime can be avoided, can be used in day inter mode.
The filter switching device shifter 10 used in the middle of network camera 1, also the filter switching device shifter 11 ~ 14 adopted mentioned by preceding embodiment can be changed into, filter switching device shifter 13 and 14 wherein, no matter filter 102 can be made to be switched to primary importance P1 or second place P2, all there is corresponding detection mode.Control unit 20 is electrically connected to filter switching device shifter 10, Fig. 7 for asking diagram clear, and non-shows in detail goes out the annexation between control unit 20 and other elements.Control unit 20 such as can be connected to the second conducting element 112 and driver element 104, can with reference to the previous related description about Fig. 4 and Fig. 5 embodiment, to detect the tram whether filter 102 is switched to expection, and when correctly not switching, control unit 20 can send signal notice driver element 104, so that filter 102 is switched to tram.In addition, if control unit 20 repeatedly requires that driver element 104 re-executes the position switching filter 102, but still continue the result unsuccessful switching being detected, then control unit 20 can control display information to user's interface or relevant information is uploaded to server, to notify that the current system of user may have exception, user can immediately be processed.
In the network camera of the above embodiment of the present invention, can detect day inter mode and/or Night time, whether filter is switched to tram, filter can comprise Infra red ray eut-off filter lens, and when detecting that filter switching action does not meet expection, driver element can be controlled and again filter is switched to tram, no matter therefore, it is possible to guarantee at day inter mode and Night, filter all can in correct position, to obtain good image quality.And if when control unit repeatedly notifies that driver element again switches filter and still fails handover success to be detected, also relevant information can be sent immediately to user to know, to allow user can learn that in the fastest time system may exist exception, and corresponding process can be made.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection range that all should belong to the claim appended by the present invention.
Claims (9)
1. a filter switching device shifter, is characterized in that, this filter switching device shifter comprises:
One framework, this framework comprises one first conducting element and one second conducting element;
One filter, be carried in this framework, this filter comprises a conductive region; And
One driver element, controls this filter mobile to switch between a primary importance and a second place in this framework;
Wherein this first conducting element and this second conducting element are electrically insulated each other in this framework, and when this filter switches to this primary importance, this conductive region of this filter is electrically connected this first conducting element and this second conducting element.
2. filter switching device shifter according to claim 1, it is characterized in that, this filter switching device shifter is electrically connected a control unit, this control unit detects conducting situation between this first conducting element and this second conducting element to obtain one first testing result, and controls this driver element according to this first testing result.
3. filter switching device shifter according to claim 2, is characterized in that, this framework more comprises one the 3rd conducting element, and when this filter switches to this second place, this conductive region of this filter is electrically connected this first conducting element and the 3rd conducting element;
This control unit more detects conducting situation between this first conducting element and the 3rd conducting element to obtain one second testing result, and controls this driver element according to this second testing result.
4. filter switching device shifter according to claim 1, it is characterized in that, this framework more comprises one the 3rd conducting element and one the 4th conducting element, and when this filter switches to this second place, this conductive region of this filter is electrically connected the 3rd conducting element and the 4th conducting element.
5. filter switching device shifter according to claim 1, it is characterized in that, this conductive region is the edge near this filter, and this first conducting element is that a sheet metal is attached to this framework or coats this framework by conductive paint and formed, and this filter comprises an Infra red ray eut-off filter lens.
6. a network camera, is characterized in that, this network camera comprises:
One phtographic lens;
One image sensor;
One filter switching device shifter, comprising:
One framework, this framework comprises one first conducting element and one second conducting element;
One filter, be carried in this framework, this filter comprises a conductive region; And
One driver element, controls this filter mobile to switch between a primary importance and a second place in this framework, to control the position of this filter relative to this phtographic lens and this image sensor; And
One control unit, detects conducting situation between this first conducting element and this second conducting element to obtain one first testing result, and controls this driver element according to this first testing result;
Wherein this first conducting element and this second conducting element are electrically insulated each other in this framework, and when this filter switches to this primary importance, this conductive region of this filter is electrically connected this first conducting element and this second conducting element.
7. network camera according to claim 6, is characterized in that, this framework more comprises one the 3rd conducting element, and when this filter switches to this second place, this conductive region of this filter is electrically connected this first conducting element and the 3rd conducting element;
This control unit more detects conducting situation between this first conducting element and the 3rd conducting element to obtain one second testing result, and controls this driver element according to this second testing result.
8. network camera according to claim 6, it is characterized in that, this framework more comprises one the 3rd conducting element and one the 4th conducting element, and when this filter switches to this second place, this conductive region of this filter is electrically connected the 3rd conducting element and the 4th conducting element.
9. network camera according to claim 6, it is characterized in that, this conductive region is the edge near this filter, and this first conducting element is that a sheet metal is attached to this framework or coats this framework by conductive paint and formed, and this filter comprises an Infra red ray eut-off filter lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510308922.3A CN104883489B (en) | 2015-06-08 | 2015-06-08 | filter switching device and network camera |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510308922.3A CN104883489B (en) | 2015-06-08 | 2015-06-08 | filter switching device and network camera |
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| Publication Number | Publication Date |
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| CN104883489A true CN104883489A (en) | 2015-09-02 |
| CN104883489B CN104883489B (en) | 2018-07-03 |
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| CN201510308922.3A Active CN104883489B (en) | 2015-06-08 | 2015-06-08 | filter switching device and network camera |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110038069A1 (en) * | 2009-08-13 | 2011-02-17 | Hon Hai Precision Industry Co., Ltd. | Optical filter device |
| CN102375301A (en) * | 2010-08-25 | 2012-03-14 | 鸿富锦精密工业（深圳）有限公司 | Light filter switching device |
| CN102375302A (en) * | 2010-08-25 | 2012-03-14 | 鸿富锦精密工业（深圳）有限公司 | Filter switching device |
| CN103325602A (en) * | 2012-03-23 | 2013-09-25 | 德昌电机(深圳)有限公司 | Electric switch |
-
2015
- 2015-06-08 CN CN201510308922.3A patent/CN104883489B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110038069A1 (en) * | 2009-08-13 | 2011-02-17 | Hon Hai Precision Industry Co., Ltd. | Optical filter device |
| CN102375301A (en) * | 2010-08-25 | 2012-03-14 | 鸿富锦精密工业（深圳）有限公司 | Light filter switching device |
| CN102375302A (en) * | 2010-08-25 | 2012-03-14 | 鸿富锦精密工业（深圳）有限公司 | Filter switching device |
| CN103325602A (en) * | 2012-03-23 | 2013-09-25 | 德昌电机(深圳)有限公司 | Electric switch |
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| CN104883489B (en) | 2018-07-03 |
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