CN212460578U - External hanging type biological identification image capturing device - Google Patents
External hanging type biological identification image capturing device Download PDFInfo
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- CN212460578U CN212460578U CN202021596693.2U CN202021596693U CN212460578U CN 212460578 U CN212460578 U CN 212460578U CN 202021596693 U CN202021596693 U CN 202021596693U CN 212460578 U CN212460578 U CN 212460578U
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Abstract
An external-hanging type biological identification image capturing device comprises a port, an image capturing unit and a charging unit, wherein the port is used for receiving an external power supply or outputting a signal, the image capturing unit is provided with a plurality of lens groups and an invisible light emitting element, the charging unit is electrically connected with the port and the image capturing unit, the charging unit is provided with a rechargeable battery and a controller, the controller is electrically connected with the rechargeable battery, the controller charges the rechargeable battery according to the external power supply, and the rechargeable battery is used for providing electric power for the image capturing unit and the charging unit so as to achieve the effect that enough current can drive the invisible light emitting element.
Description
Technical Field
The present invention relates to an image capturing device, and more particularly to an externally-hung biometric image capturing device.
Background
Because the recognition image capturing device needs to use the infrared light emitting element and the infrared lens to realize the recognition function, the device is usually applied to face recognition, iris recognition and the like, and the infrared light emitting element needs higher current to drive so as to obtain enough brightness to acquire a recognition image and meet the requirement of recognition accuracy. The old notebook computer, all-in-one computer or desktop computer is not equipped with infrared light emitting device and infrared lens, and if the user wants to use the image recognition function, he must purchase an externally-hung recognition image capturing device.
However, the power source of the conventional external identification image capturing device mainly receives the power source output by a host through a port, wherein the conventional port can be roughly divided into USB 2.0, USB 3.0 or USB type C, and the currents of the output power sources of USB 2.0 and USB 3.0 of the old notebook, all-in-one computer or desktop computer are controlled to be 500mA and 900mA respectively, so that there is not enough current to drive the infrared light emitting device to emit light. In other words, even if the conventional external identification image capturing device is purchased, the image recognition function of the old notebook computer, all-in-one computer or desktop computer still cannot be used.
Therefore, how to solve the above problems is the direction of efforts required by researchers in the field.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to provide an externally-hung biometric image capturing device with sufficient current to drive an invisible light emitting device.
Another object of the present invention is to provide an externally hung biometric image capturing device that can provide a stable power supply.
To achieve the above object, the present invention provides an externally-hung biometric image capturing device, comprising: a port for receiving an external power source or outputting a signal; an image capturing unit having a plurality of lens groups and an invisible light emitting device; and a charging unit electrically connected to the port and the image capturing unit, wherein the charging unit has a rechargeable battery and a controller, the controller is electrically connected to the rechargeable battery, the controller charges the rechargeable battery according to the external power, and the rechargeable battery is used for providing electric power to the image capturing unit and the charging unit.
Through the utility model discloses this design, can make the electric current of this electric power of this rechargeable battery output be enough to drive the invisible light emitting component of this image acquisition unit and give out light, and then reach the efficiency person of the requirement of discerning the precision, and effectively reach the effect that provides stable power in addition.
Drawings
FIG. 1 is a block diagram of an external biometric image capturing device according to the present invention;
FIG. 2 is a three-dimensional exploded view of the externally-mounted biometric image capturing device of the present invention;
FIG. 3 is a schematic view of an image capturing unit of the externally-mounted biometric image capturing device of the present invention;
FIG. 4 is a schematic view of a charging unit of the externally-mounted biometric image capturing device of the present invention;
FIG. 5 is a schematic view of a heat dissipation base of the externally-mounted biometric image capturing device of the present invention;
FIG. 6 is a schematic view of an indicator light unit of the externally-mounted biometric image capturing device of the present invention;
FIG. 7 is a partial assembly view of the externally-mounted biometric image capturing device of the present invention;
fig. 8 is a three-dimensional assembly view of the externally-mounted biometric image capturing device of the present invention.
Description of reference numerals: 100-external biometric image capturing device; 122 — invisible light emitting elements; 110-port; 123-a first circuit board; 120-an image capture unit; 1231-first side; 121-lens group; 1321-second side; 1221-infrared optical lens group; 130-a charging unit; 1222-a visible light lens group; 131-rechargeable battery; 132-a controller; 173-holes; 133-a second circuit board; 180-a second cover plate; 1331-third side; 181-third opening; 1332-fourth side; 150-a heat sink base; 151-horizontal portion; 1511-first side; 1512-a second face; 152-an upright portion; 1521-third face; 1522 fourth face; 153-flange; 160-indicator light unit; 161-indicating light emitting elements; 162-a third circuit board; 1621-fifth side; 1622-sixth side; 170-a first cover plate; 171-a first opening; 172-second opening.
Detailed Description
The above objects, together with the structure and functional characteristics of the invention, will be best understood from the following description of the preferred embodiments when read in connection with the accompanying drawings.
Referring to fig. 1 to 8, a block diagram, a three-dimensional exploded view, a charging unit, an image capturing unit, a heat dissipation base, an indicator light unit, a partial assembly view, and a three-dimensional assembly of the externally-hung biometric image capturing device according to the present invention are shown in the drawings, the externally-hung biometric image capturing device 100 of the present invention is shown in the present embodiment for biometric identification (e.g., face identification of a user), but not limited thereto, and in the specific implementation, the biometric image capturing device 100 of the present invention can also perform other biometric identification (e.g., iris identification). The external biometric image capturing device 100 includes a port 110, an image capturing unit 120, a charging unit 130, a heat dissipation base 150, an indicator light unit 160, a first cover plate 170, and a second cover plate 180, where the port 110 is electrically connected to the charging unit, the port 110 is used to receive an external power or output a signal, and the port 110 is represented as a USB connector connected to a port (such as a USB port) of a host computer (not shown) in this embodiment, so as to receive the external power output by the host computer, and transmit signals (such as data signals) to the host computer or receive signals (such as image signals or other signals) transmitted by the biometric image capturing device unilaterally. In practical implementation, the biometric image capturing device of the present invention can be applied to connect with a port of an electronic device (e.g., a smart phone, a tablet computer, or other electronic devices (e.g., a camera device or an electronic lock device)) through its own port.
In one embodiment, the port 110 may be other ports capable of receiving external power and transmitting signals. In another embodiment, the external biometric image capturing device 100 includes a power port and a signal port, the power port can be independently connected to a port of an indoor power source or a portable power source through a power transmission line for receiving an external power source transmitted by the indoor power source or the portable power source, the signal port is independently connected to the corresponding electronic device for transmitting data signals, or the signal port unilaterally outputs image signals or other signals to the electronic device.
The image capturing unit 120 includes a plurality of lens sets 121, an invisible light emitting device 122, an image processor (not shown) and a first circuit board 123, where the lens sets 121 include an infrared lens set 1221 and a visible light lens set 1222, the infrared lens set 1221 is used for sensing and capturing an infrared light reflected from an object to be detected (such as a user's face) and converting the infrared light into an infrared image, a filter is disposed inside the infrared lens set 1221, and the filter of the infrared lens set 1221 only allows the infrared light to pass through to the photosensitive device of the infrared lens set 1221.
The visible light lens set 1222 is a Charge-coupled Device (CCD) lens set for capturing color images or recording color images and color films in this embodiment, but is not limited thereto, and in other embodiments, the visible light lens set 1222 may also be a Complementary Metal Oxide Semiconductor (CMOS) lens set or another infrared lens set, a filter is disposed inside the visible light lens set 1222, and the filter of the visible light lens set 1222 only allows visible light to pass through to the photosensitive elements of the visible light lens set 1222.
The invisible light emitting device 122 is an Infrared-emitting-diode (IR LED) with a wavelength of 750nm to 1550nm for use as a light source, but not limited thereto, and the invisible light emitting device 122 can also be other types of invisible light emitting devices in other embodiments.
The image processor is electrically connected to the lens sets 121 and the invisible light emitting device 122, and is configured to process images, signals or other information captured by the infrared lens set 1221 and the visible lens set 1222, for example, the image processor performs image recognition processing according to the received infrared image and a predetermined feature database (e.g. a predetermined facial feature database).
The first circuit board 123 has a first side 1231 and a second side 1321, the first side 1231 and the second side 1321 are respectively disposed on the front side and the rear side of the first circuit board 123 in this embodiment, the front side is a direction facing the target to be detected, the rear side is a direction opposite to the target to be detected, and the lens sets 121, the invisible light emitting element 122 and the image processor are respectively disposed on the first side 1231 of the first circuit board 123 and electrically connected to each other.
The charging unit 130 is electrically connected to the port 110 and the image capturing unit 120, the charging unit 130 has a rechargeable battery 131, a controller 132 and a second circuit board 133, the controller 132 is electrically connected to the rechargeable battery 131, the controller 132 charges the rechargeable battery 131 according to the external power, and the rechargeable battery 131 is used for providing an electric power to the image capturing unit 120 and the charging unit 130. The controller 132 is shown as a charging control chip in this embodiment, and is used to control and protect the charging and discharging of the rechargeable battery 131. The rechargeable battery 131 is selected from any one of a lithium battery, a lithium ion battery, a lithium phosphate battery, a lithium polymer battery, a nickel cadmium battery and a lead-acid battery.
The second circuit board 133 has a third side 1331 and a fourth side 1332, the third and fourth sides 1331 and 1332 are respectively disposed on the upper and lower sides of the second circuit board 133 in this embodiment, the first circuit board 123 is electrically connected to the second circuit board 133, and the port 110, the rechargeable battery 131 and the controller 132 are respectively disposed on the third side 1331 of the second circuit board 133 and electrically connected to each other.
In an alternative embodiment, the charging unit 130 further has a voltage detecting chip, which is disposed on the second circuit board 133 to be electrically connected to the controller 132, and is used for detecting the charging state of the rechargeable battery 131. In another alternative embodiment, the voltage sense chip select is integrated with the controller 132.
The indicator light unit 160 has a plurality of indicating light emitting elements 161 and a third circuit board 162, the third circuit board 162 is electrically connected to the first circuit board 123, the third circuit board 162 has a fifth side 1621 and a sixth side 1622, the fifth and sixth sides 1621 and 1622 are respectively disposed at the front and rear sides of the third circuit board 162 in the embodiment, the indicating light emitting elements 161 are respectively disposed at the fifth side 1621 of the third circuit board 162 and electrically connected to each other, and the indicating light emitting elements 161 are selected from white, blue, green, yellow, red light diodes or light emitting diodes with other colors. The indicating light emitting devices 161 are used for the user to know the battery operating status, the battery damage status, the battery low voltage status, the image capturing device operating status, etc. of the external biometric image capturing device 100 according to whether the light source is on or off or flashing. In an alternative embodiment, the indicator light unit 160 may be omitted.
In addition, the first, second and third circuit boards 123, 133 and 162 are represented as Printed Circuit Boards (PCBs) in the present embodiment, and the PCBs may be a flexible PCB or a rigid PCB. The first, second and third circuit boards 123, 133 and 162 are shown as three separate circuit boards electrically connected to each other by, for example, a flexible flat cable in this embodiment, but not limited thereto, and in other embodiments, the first, second and third circuit boards 123, 133 and 162 may be integrated into three regions on a single circuit board.
The heat dissipation base 150 has a horizontal portion 151, an upright portion 152 and a flange 153, wherein the upright portion 152 extends upward from an edge of one side of the horizontal portion 151. The horizontal portion 151 has a first surface 1511 and a second surface 1512 disposed on the upper and lower sides of the horizontal portion 151, the upright portion 152 has a third surface 1521 and a fourth surface 1522 disposed on the front and rear sides of the upright portion 152, the flange 153 protrudes toward the third surface 1521 of the upright portion 152, the second side 1232 of the first circuit board 123 is correspondingly disposed on the third surface 1521 of the upright portion 152, the second circuit board 133 is correspondingly disposed on the first surface 1511 of the horizontal portion 151, and the sixth side 1622 of the third circuit board 162 is correspondingly disposed on the flange 153.
The first and second cover plates 170, 180 are correspondingly covered, the first cover plate 170 is respectively provided with a plurality of first openings 171, a second opening 172 and a plurality of holes 173 corresponding to the lens sets 121, the invisible light emitting device 122 and the indication light emitting devices 161, the second cover plate 180 is provided with a third opening 181 corresponding to the port 110, and the first and second openings 171, 172 and holes 173 all face the direction of the object to be tested.
The heat dissipation base 150 is used for absorbing heat generated during operation of the components carried by the first, second, and third circuit boards 123, 133, 162 disposed thereon, and conducting the heat to the first and second cover plates 170, 180 for heat dissipation. In an alternative embodiment, the heat sink base 15 can be omitted, and the first, second and third circuit boards 123, 133 and 162 are all fixedly disposed in the first cover plate 170.
Through the utility model discloses this design, the operator can make the electric current of this electric power of this rechargeable battery 131 output enough to drive the luminous element 122 of the invisible light of this image acquisition unit 120 luminous according to the demand of reality to accord with the requirement of discernment precision, and reach the effect that provides stable power in addition effectively.
The present invention has been described in detail, but the above description is only a preferred embodiment of the present invention, and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (12)
1. An externally-hung biometric image capturing device, comprising:
a port for receiving an external power source or outputting a signal;
an image capturing unit having a plurality of lens groups and an invisible light emitting device; and
the charging unit is electrically connected with the port and the image capturing unit and is provided with a rechargeable battery and a controller, the controller is electrically connected with the rechargeable battery, the controller charges the rechargeable battery according to the external power supply, and the rechargeable battery is used for providing electric power for the image capturing unit and the charging unit.
2. The image capturing apparatus of claim 1, wherein the image capturing unit further comprises a first circuit board having a first side and a second side, and the plurality of lens sets and the invisible light emitting device are disposed on the first side of the first circuit board and electrically connected to each other.
3. The image capturing device of claim 2, wherein the charging unit further comprises a second circuit board, the first circuit board is electrically connected to the second circuit board, the second circuit board has a third side and a fourth side, and the port, the rechargeable battery and the controller are electrically connected to the third side of the second circuit board.
4. The externally-hung biometric image capturing device according to claim 3, further comprising a heat sink base having a horizontal portion, an upright portion and a flange, wherein the upright portion extends upward from a side edge of the horizontal portion, the horizontal portion has a first surface and a second surface, the upright portion has a third surface and a fourth surface, the flange protrudes toward the third surface of the upright portion, the second side of the first circuit board is correspondingly disposed on the third surface of the upright portion, and the second circuit board is correspondingly disposed on the first surface of the horizontal portion.
5. The externally-hung biometric image capturing device as claimed in claim 4, further comprising an indicator light unit having a plurality of indicating light emitting devices and a third circuit board electrically connected to the first circuit board, the third circuit board having a fifth side and a sixth side, the sixth side of the third circuit board being correspondingly disposed on the flange, the plurality of indicating light emitting devices being disposed on the fifth side of the third circuit board and electrically connected thereto.
6. The image capturing device of claim 2, further comprising a first cover and a second cover, wherein the first cover and the second cover are correspondingly covered, the first cover has a plurality of first openings and a plurality of second openings corresponding to the plurality of lens sets and the invisible light emitting device, and the second cover has a third opening corresponding to the port.
7. The image capturing device of claim 6, wherein the first cover plate further comprises a plurality of holes.
8. The image capturing device of claim 1, wherein the plurality of lens sets comprises an infrared lens set and a visible lens set.
9. The image capturing device of claim 1, wherein the invisible light emitting device is an infrared diode.
10. The image capturing device of claim 1, wherein the charging unit further comprises a voltage detection chip electrically connected to the controller, the voltage detection chip being configured to detect a charging status of the rechargeable battery.
11. The image capturing device of claim 1, wherein the port is a USB connector.
12. The image capturing device of claim 1, wherein the rechargeable battery is selected from one of a lithium battery, a lithium ion battery, a lithium phosphate battery, a lithium polymer battery, a nickel cadmium battery, and a lead acid battery.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021596693.2U CN212460578U (en) | 2020-08-04 | 2020-08-04 | External hanging type biological identification image capturing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021596693.2U CN212460578U (en) | 2020-08-04 | 2020-08-04 | External hanging type biological identification image capturing device |
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| CN212460578U true CN212460578U (en) | 2021-02-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111914826A (en) * | 2020-08-04 | 2020-11-10 | 嘉善万顺达电子有限公司 | External hanging type biological identification image capturing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111914826A (en) * | 2020-08-04 | 2020-11-10 | 嘉善万顺达电子有限公司 | External hanging type biological identification image capturing device |
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