CN208433011U - A kind of transmitted light uniformly refers to venous collection light supply apparatus - Google Patents
A kind of transmitted light uniformly refers to venous collection light supply apparatus Download PDFInfo
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- CN208433011U CN208433011U CN201820525545.8U CN201820525545U CN208433011U CN 208433011 U CN208433011 U CN 208433011U CN 201820525545 U CN201820525545 U CN 201820525545U CN 208433011 U CN208433011 U CN 208433011U
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- light supply
- infrared light
- digital regulation
- regulation resistance
- array
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Abstract
The utility model discloses a kind of transmitted lights uniformly to refer to venous collection light supply apparatus, belong to and refers to venous collection technical field, cabinet and the intracorporal dsp controller of case, digital regulation resistance and infrared light supply array, the top of cabinet is equipped with multiple mounting grooves, each infrared light supply array passes through the lift-pull handle being disposed thereon and is mounted in mounting groove, digital regulation resistance is equipped on each lift-pull handle, every a line infrared light supply of infrared light supply array is connected, by the brightness of digital regulation resistance control infrared light supply array, digital regulation resistance is controlled to adjust by dsp controller by pulse signal, the adjusting of infrared light supply array brightness is to feed back to digital regulation resistance according to the clear background degree of finger venous collection image to be controlled to adjust.The utility model solves the problem of to cause the finger vein image of acquisition is unintelligible cannot meet the requirements using ordinary light source in the prior art.
Description
Technical field
The utility model relates to a kind of light supply apparatus, uniformly refer to that venous collection light source fills more particularly to a kind of transmitted light
It sets, belongs to and refer to venous collection technical field.
Background technique
With the development and progress of society, information technology has gradually been melted into the work and life of people, is giving the mankind
While society offers convenience, safety and secrecy to information also proposed requirement that is higher, updating.However, generally making at present
Authentication identifying method, such as password, password, key, ID card exist to be easy damage, forget, being stolen, being decrypted etc. and ask
Topic, brings many troubles to daily life, or even cause great property and life security risk, and therefore, human body is raw
The demand that object identification technology caters to the epoch becomes the research hotspot in this century, while also bringing huge economic market, at this
Under the background of sample, a kind of finger venous collection device is developed, by luminescence unit, near-infrared LED array of source, light guide sheet, finger
Fixator, infrared filter and CMOS camera composition, but there are many inconvenience in use in it, especially in existing skill
In the environment of art uses ordinary light source, the finger vein image of acquisition is unintelligible, causes Vein Verification information unobvious, is not able to satisfy
Finger surface image is obtained it is required that cannot understand.
Utility model content
The main purpose of the utility model is to provide for a kind of transmitted light and uniformly refers to venous collection light supply apparatus, solves
Cause the finger vein image of acquisition unintelligible using ordinary light source in the prior art, the problem of cannot meeting the requirements.
The purpose of this utility model can reach by using following technical solution:
A kind of transmitted light uniformly refers to venous collection light supply apparatus, including cabinet and is arranged in the case intracorporal at least one
The top of a dsp controller, multiple digital regulation resistances and at least one infrared light supply array, the cabinet is equipped with multiple installations
Slot, each infrared light supply array pass through the lift-pull handle being disposed thereon and are mounted in the mounting groove, each lifting handle
Be equipped with digital regulation resistance on hand, the digital regulation resistance pass through the dsp controller interface that is arranged on the cabinet with it is described
Dsp controller electrical connection, the dsp controller are electrically connected with each digital regulation resistance respectively, the infrared light supply array
In the matrix form, every a line infrared light supply series connection of the infrared light supply array, is controlled described infrared by the digital regulation resistance
The brightness of array of source, the digital regulation resistance is controlled to adjust by the dsp controller by pulse signal, described infrared
The adjusting of array of source brightness is to feed back to the digital regulation resistance according to the clear background degree of finger venous collection image to carry out
It controls to adjust.
Preferably, each digital regulation resistance is arranged at the side of the lift-pull handle, in a manner of interface and institute
Lift-pull handle connection is stated, and is individually connected with every a line infrared light supply of each infrared light supply array.
Preferably, the dsp controller is connect with multiple dsp controller interfaces respectively, each dsp controller interface
Output end connect respectively with the input terminal of each digital regulation resistance.
Preferably, the output end of each digital regulation resistance is individually each with infrared light supply array
The series connection of row infrared light supply.
Preferably, the voltage input end of each digital regulation resistance connects input power Vcc, each digital current potential
The voltage output end of device is connect with the infrared light supply array.
Preferably, each digital regulation resistance and the infrared light supply array are grounded.
Preferably, the acquisition cavity for daylighting is equipped in the cabinet, the infrared light supply array setting is adopted described
Collect in cavity.
Preferably, each lift-pull handle is separately connected the infrared light supply array, each lifting handle
Hand and the infrared light supply array connected to it are mounted in the mounting groove in a manner of grafting.
Preferably, the digital regulation resistance is embedded in the lift-pull handle, is electrically connected with the infrared light supply array.
Preferably, the cabinet is nonmetallic cabinet, and the lift-pull handle is nonmetallic lift-pull handle.
The advantageous effects of the utility model: uniformly refer to that venous collection light source fills according to the transmitted light of the utility model
It sets, transmitted light provided by the utility model uniformly refers to that venous collection light supply apparatus, infrared light supply form matrix form, every a line
Series connection, and brightness is controlled by digital regulation resistance, since finger different parts thickness is different, in order to enable transmitted light is uniform, design
Adjustable light sources；Digital regulation resistance is controlled to adjust by dsp controller by pulse signal；The adjusting of brightness is according to acquisition image
Clear background degree feedback is realized.
Detailed description of the invention
Fig. 1 is the electricity for uniformly referring to a preferred embodiment of venous collection light supply apparatus according to the transmitted light of the utility model
Road connection figure.
In figure: 1- cabinet, 2- mounting groove, 3- lift-pull handle, 4- digital regulation resistance, 5-DSP control unit interface, 6-DSP control
Device processed, 7- infrared light supply array, 8- acquire cavity.
Specific embodiment
To make the more clear and clear the technical solution of the utility model of those skilled in the art, below with reference to embodiment and
Attached drawing is described in further detail the utility model, and however, the embodiments of the present invention are not limited thereto.
As shown in Figure 1, a kind of transmitted light provided in this embodiment uniformly refers to venous collection light supply apparatus, including cabinet 1
And at least one dsp controller 6, multiple digital regulation resistances 4 and at least one infrared light supply array in the cabinet 1 are set
7, the top of the cabinet 1 is equipped with multiple mounting grooves 2, and each infrared light supply array 7 passes through the lift-pull handle 3 being disposed thereon and pacifies
In the mounting groove 2, digital regulation resistance 4 is equipped on each lift-pull handle 3, the digital regulation resistance 4 is by setting
The dsp controller interface 5 set on the cabinet 1 is electrically connected with the dsp controller 6, and the dsp controller 6 is respectively and often
A digital regulation resistance 4 is electrically connected, the infrared light supply array 7 in the matrix form, every a line of the infrared light supply array 7
Infrared light supply series connection, the brightness of the infrared light supply array 7 is controlled by the digital regulation resistance 4, the digital regulation resistance 4 is by institute
It states dsp controller 6 to be controlled to adjust by pulse signal, the adjusting of 7 brightness of infrared light supply array is according to finger vein
The clear background degree of acquisition image feeds back to the digital regulation resistance 4 to be controlled to adjust.
In the present embodiment, as shown in Figure 1, each digital regulation resistance 4 is arranged at the side of the lift-pull handle 3
Side is connect in a manner of interface with the lift-pull handle 3, and individually every a line with each infrared light supply array 7
Infrared light supply series connection.
In the present embodiment, as shown in Figure 1, the dsp controller 6 is connect with multiple dsp controller interfaces 5 respectively, often
The output end of a dsp controller interface 5 is connect with the input terminal of each digital regulation resistance 4 respectively, each number
The output end of word potentiometer 4 is individually connected with every a line infrared light supply of an infrared light supply array 7.
In the present embodiment, as shown in Figure 1, the voltage input end of each digital regulation resistance 4 connects input power
The voltage output end of Vcc, each digital regulation resistance 4 are connect with the infrared light supply array 7, each digital regulation resistance
4 and the infrared light supply array 7 be grounded.
In the present embodiment, as shown in Figure 1, being equipped with the acquisition cavity 8 for daylighting, the infrared light in the cabinet 1
Source array 7 is arranged in the acquisition cavity 8.
In the present embodiment, as shown in Figure 1, each lift-pull handle 3 is separately connected the infrared light supply battle array
Column 7, each lift-pull handle 3 and the infrared light supply array 7 connected to it are mounted on the installation in a manner of grafting
In slot 2.
In the present embodiment, and described red as shown in Figure 1, the digital regulation resistance 4 is embedded in the lift-pull handle 3
Outer light source array 7 is electrically connected.
In the present embodiment, as shown in Figure 1, the cabinet 1 is nonmetallic cabinet, the lift-pull handle 3 is nonmetallic
Lift-pull handle.
In the present embodiment, the preferred model of the dsp controller 6 is selected from TMS320F2812 type dsp controller；It is described
The preferred model of digital regulation resistance 4 is selected from X9318WS8IT1 type dsp controller.
In conclusion in the present embodiment, uniformly refer to venous collection light supply apparatus according to the transmitted light of the present embodiment, this
The transmitted light that embodiment provides uniformly refers to that venous collection light supply apparatus, infrared light supply form matrix form, and every a line is connected, and
Brightness is controlled by digital regulation resistance, since finger different parts thickness is different, in order to enable transmitted light is uniform, designs adjustable light
Source；Digital regulation resistance is controlled to adjust by dsp controller by pulse signal；The adjusting of brightness is according to the clear background for acquiring image
Degree feedback is realized.
The above, only the utility model further embodiment, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art is according to the present utility model in range disclosed in the utility model
Technical solution and its design are subject to equivalent substitution or change, belong to the protection scope of the utility model.
Claims (10)
1. a kind of transmitted light uniformly refers to venous collection light supply apparatus, it is characterised in that: including cabinet (1) and be arranged in the case
At least one dsp controller (6), multiple digital regulation resistances (4) and at least one infrared light supply array (7) in body (1), it is described
The top of cabinet (1) is equipped with multiple mounting grooves (2), and each infrared light supply array (7) passes through the lift-pull handle (3) being disposed thereon
It is mounted in the mounting groove (2), is equipped with digital regulation resistance (4), the digital regulation resistance on each lift-pull handle (3)
(4) it is electrically connected by the dsp controller interface (5) being arranged on the cabinet (1) with the dsp controller (6), the DSP
Controller (6) is electrically connected with each digital regulation resistance (4) respectively, and the infrared light supply array (7) is in the matrix form, described
Every a line infrared light supply of infrared light supply array (7) is connected, and controls the infrared light supply array by the digital regulation resistance (4)
(7) brightness, the digital regulation resistance (4) is controlled to adjust by the dsp controller (6) by pulse signal, described red
The adjusting of outer light source array (7) brightness is to feed back to the digital regulation resistance according to the clear background degree of finger venous collection image
(4) it is controlled to adjust.
2. a kind of transmitted light according to claim 1 uniformly refers to venous collection light supply apparatus, it is characterised in that: Mei Gesuo
The side that digital regulation resistance (4) is arranged at the lift-pull handle (3) is stated, in a manner of interface even with the lift-pull handle (3)
It connects, and individually connects with every a line infrared light supply of each infrared light supply array (7).
3. a kind of transmitted light according to claim 1 uniformly refers to venous collection light supply apparatus, it is characterised in that: described
Dsp controller (6) is connect with multiple dsp controller interfaces (5) respectively, the output end point of each dsp controller interface (5)
It is not connect with the input terminal of each digital regulation resistance (4).
4. a kind of transmitted light according to claim 1 uniformly refers to venous collection light supply apparatus, it is characterised in that: Mei Gesuo
The output end for stating digital regulation resistance (4) is individually connected with every a line infrared light supply of an infrared light supply array (7).
5. a kind of transmitted light according to claim 1 uniformly refers to venous collection light supply apparatus, it is characterised in that: Mei Gesuo
State the voltage input end connection input power Vcc of digital regulation resistance (4), the voltage output end of each digital regulation resistance (4)
It is connect with the infrared light supply array (7).
6. a kind of transmitted light according to claim 1 uniformly refers to venous collection light supply apparatus, it is characterised in that: Mei Gesuo
It states digital regulation resistance (4) and the infrared light supply array (7) is grounded.
7. a kind of transmitted light according to claim 1 uniformly refers to venous collection light supply apparatus, it is characterised in that: the case
The acquisition cavity (8) for daylighting is equipped in body (1), infrared light supply array (7) setting is in the acquisition cavity (8).
8. a kind of transmitted light according to claim 1 uniformly refers to venous collection light supply apparatus, it is characterised in that: Mei Gesuo
It states lift-pull handle (3) and is separately connected the infrared light supply array (7), each lift-pull handle (3) and be connected thereto
The infrared light supply array (7) be mounted in a manner of grafting in the mounting groove (2).
9. a kind of transmitted light according to claim 1 uniformly refers to venous collection light supply apparatus, it is characterised in that: the number
Word potentiometer (4) is embedded in the lift-pull handle (3), is electrically connected with the infrared light supply array (7).
10. a kind of transmitted light according to claim 1 uniformly refers to venous collection light supply apparatus, it is characterised in that: described
Cabinet (1) is nonmetallic cabinet, and the lift-pull handle (3) is nonmetallic lift-pull handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820525545.8U CN208433011U (en) | 2018-04-13 | 2018-04-13 | A kind of transmitted light uniformly refers to venous collection light supply apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820525545.8U CN208433011U (en) | 2018-04-13 | 2018-04-13 | A kind of transmitted light uniformly refers to venous collection light supply apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208433011U true CN208433011U (en) | 2019-01-25 |
Family
ID=65104935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820525545.8U Expired - Fee Related CN208433011U (en) | 2018-04-13 | 2018-04-13 | A kind of transmitted light uniformly refers to venous collection light supply apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208433011U (en) |
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2018
- 2018-04-13 CN CN201820525545.8U patent/CN208433011U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190125 Termination date: 20190413 |
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| CF01 | Termination of patent right due to non-payment of annual fee |