CN207148495U - A kind of fully closed perforate electromagnetic type iris apparatus - Google Patents
A kind of fully closed perforate electromagnetic type iris apparatus Download PDFInfo
- Publication number
- CN207148495U CN207148495U CN201720421006.5U CN201720421006U CN207148495U CN 207148495 U CN207148495 U CN 207148495U CN 201720421006 U CN201720421006 U CN 201720421006U CN 207148495 U CN207148495 U CN 207148495U
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- coil
- base
- installation portion
- fully closed
- bobbin
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Abstract
The utility model discloses a kind of electromagnetic type iris apparatus system of fully closed perforate, it includes base, base is provided with the diaphragm hole for forming light path, two are additionally provided with the base can slide to change the blade of diaphragm hole size in opposite direction, base is additionally provided with mounting seat, mounting seat is provided with controllable two leaf switch closure and slided, so as to which the solenoid valve block of different size of diaphragm hole be presented.The utility model is on the basis of existing aperture system, by the design for adjusting two blades in aperture system, perforate state is rendered as when closed so as to reach aperture system, it is simple in construction, caliber size can be adjusted under power on condition, and can ensures that monitored picture is clear in the case where aperture powers off.
Description
【Technical field】
The utility model belongs to field of optical equipment, is specifically related to a kind of electromagnetic type iris apparatus of fully closed perforate.
【Background technology】
In the aperture system field of monitoring camera, with deepening continuously for application, the type of service of iris apparatus is gradual
Tend to variation.Must be powered on keeping typically in closure state when the aperture system of conventional electromagnetic is fully closed, during work or
Person adjusts the openings of sizes of aperture, so as to reach the thang-kng amount of control camera lens, ensures that the drawing that camera lens is presented is optimal.It is fully closed
The electromagnetic type aperture system of perforate, it is according to during camera lens use, selecting in each multiplying power close to optimal aperture bore conduct
Perforate size when fully closed and propose.The openings of sizes of aperture can be adjusted when being powered, controls the thang-kng amount of camera lens
Size, for and can under conditions of aperture system power-off, camera lens can also reach the effect of monitoring drawing.Damaged even in aperture system
In the case of, camera lens remains to continue to monitor.
The utility model is namely based on such case proposition.
【Utility model content】
The utility model purpose：On the basis of existing aperture system technology, there is provided one kind is simple in construction to be powered
Under the conditions of adjust caliber size, and can ensures the electromagnetic type light of monitored picture clearly fully closed perforate in the case where aperture powers off
Coil apparatus.
The utility model is achieved through the following technical solutions：
The electromagnetic type iris apparatus system of a kind of fully closed perforate, it is characterised in that it includes base, and base, which is provided with, to be formed
The diaphragm hole of light path, being additionally provided with two on the base can slide to change the blade of diaphragm hole size, base in opposite direction
Mounting seat is additionally provided with, mounting seat is provided with controllable two leaf switch closure and slided, so as to which different size of diaphragm hole be presented
Solenoid valve block.
The electromagnetic type iris apparatus system of a kind of fully closed perforate as described above, it is characterised in that solenoid valve block includes and installation
The fixed coil cap of seat, coil cap are provided with bobbin, are provided with guide shaft and driving lever in bobbin, and both ends are provided with acting on driving lever
The drive pin of bar hole on two blades, dead man bottom are provided with magnetite, housing are provided with around bobbin.
The electromagnetic type iris apparatus system of a kind of fully closed perforate as described above, it is characterised in that bobbin includes being used to wind
The driving coil installation portion of driving coil and the imperial coil installation portion of system that imperial coil is made for winding, driving coil installation portion and system
Imperial coil installation portion is equipped with the annular groove for wound around coil, is provided with the driving coil installation portion and inserts Hall element suddenly
That element slot, the magnetic pole slot for inserting permanent magnetism pillar is provided with the imperial coil installation portion of system, is additionally provided with the bobbin multiple
Aperture, the aperture interpolation have the connection terminal for driving coil and the imperial coil of system to be connected with external circuit, and two coils lead to
Four connection terminals are crossed to connect.
The electromagnetic type iris apparatus system of a kind of fully closed perforate as described above, it is characterised in that be snapped with mounting seat opposite
The two pieces of baffle plates set, the semicircular indentations that two pieces of baffle plates are provided with form circular mounting hole when being oppositely arranged, shown
The another side of base is additionally provided with aperture cover plate.
The utility model is on the basis of existing aperture system, by adjusting setting for two blades in aperture system
Meter, perforate state is rendered as so as to reach aperture system when closed, simple in construction, and it is big bore can be adjusted under power on condition
Small, and can ensures that monitored picture is clear in the case where aperture powers off.
【Brief description of the drawings】
Fig. 1 is the utility model stereogram；
Fig. 2 is the utility model stereogram；
Fig. 3 is the utility model explosive view；
Fig. 4 is the plan under the fully closed perforate state of the utility model uneasiness capping plate diaphragm hole；
Fig. 5 is the plan under the utility model uneasiness capping plate diaphragm hole full-gear；
Fig. 6 is the stereogram of the utility model coil cap；
Fig. 7 is the stereogram of the utility model driving lever；
Fig. 8 is the stereogram of the utility model bobbin；
Fig. 9 is the stereogram of the utility model bobbin；
Figure 10 is the structure chart of the utility model housing；
Figure 11 is the structure chart of the utility model Hall element.
In figure：1 is base；101 be mounting seat；102 pay hole for lock；2 be diaphragm hole；3 be blade；4 be coil cap, and 41 are
Buckle；5 be guide shaft；6 be driving lever；7 be magnetite；8 be bobbin；801 be driving coil installation portion；802 be the imperial coil installation of system
Portion；803 be aperture；804 be Hall element slot；805 be permanent magnetism pillar slot；9 be housing；10 be connection terminal；11 are
Hall element；12 be permanent magnetism pillar；13 be baffle plate；14 be mounting hole；15 be aperture cover plate.
【Embodiment】
The utility model technical characteristic is described in further detail below in conjunction with the accompanying drawings：
A kind of electromagnetic type iris apparatus system of fully closed perforate includes blade group and solenoid valve block.Blade group is provided with bottom
Seat 1, described base 1 are provided with the diaphragm hole 2 for forming light path, and being additionally provided with two on the base 1 can slide in opposite direction
To change the blade 3 of the size of diaphragm hole 2.Base 1 is additionally provided with mounting seat 101, and mounting seat 101, which is provided with, can control two blades 3
Switch closure is slided, so as to which the solenoid valve block of different size of diaphragm hole 2 be presented.Solenoid valve block includes fixing with mounting seat 101
Coil cap 4, coil cap 4 is provided with bobbin 8, is provided with guide shaft 5 and driving lever 6 in bobbin 8, and both ends, which are provided with, on driving lever 6 acts on
The drive pin 601 of bar hole 301 on two blades, dead man bottom are provided with magnetite 7, and housing 9 is provided with around bobbin 8, whole
Individual electromagnetic type iris apparatus system is paid hole 102 by lock and is fixed in camera lens group.
Further illustrate, the bobbin 8 includes being used to wind the driving coil installation portion 801 of driving coil and for twining
The system that coil is driven in coiling drives coil installation portion 802, on the driving coil installation portion 801 and the imperial coil installation portion 802 of system
Provided with the annular groove for wound around coil, the Hall element slot for inserting Hall element is provided with the driving coil installation portion 801
804, the magnetic pole slot 805 for inserting permanent magnetism pillar 12 is provided with the imperial coil installation portion 802 of system, close to the one of Hall element slot 804
Side is driving coil installation portion 801, and multiple apertures 803 are additionally provided with the bobbin 8, and the interpolation of aperture 803, which has, to be used for
The connection terminal 10 that driving coil and the imperial coil of system are connected with external circuit.Two coils are connected by four connection terminals 10
Come.
The buckle 41 of the coil cap 4 of solenoid valve block coordinates with the hole clipping of mounting seat 101 to be fixed, and is detained in the mounting seat 101
Two pieces of baffle plates 13 being oppositely arranged are connected to, the semicircular indentations that two pieces of baffle plates 13 are provided with form circular mounting when being oppositely arranged
Hole 14.Aperture cover plate 15 is additionally provided with the another side of shown base 1.
Utility model works principle is：Power supply connects driving coil by connection terminal 10 again by flexible PCB
With the imperial coil of system, when accessing current signal, driving coil produces magnetic field, and magnetic field is correspondingly formed S poles and N at the both ends of bobbin 8
Pole, and change polarity with the change of current signal, permanent magnet magnetite 7 pass through the principle that identical charges repel each other, there is a natural attraction between the sexes so that forever
Magnet magnetite 7 changes with current signal and accordingly rotated, and similarly makes imperial end-coil access current signal when system and drives permanent magnet magnetic
Stone 7 changes and rotated with current signal.Because the active force of driving coil is more than the reaction force of the imperial coil of system, and then drives and dial
Bar 6 slowly rotates, and is then acted on by the drive pin 601 at both ends on driving lever 6 on the bar hole 301 on two blades 3, makes two
The switch closure of blade 3 is slided, so as to which different size of diaphragm hole 2 be presented, to control different light sizes through on base 1
Diaphragm hole 2.Meanwhile the different pivot angles of Hall element 11, sensing driving lever 6 and magnetite 7, corresponding feedback voltage signal is exported, from
And control different size of aperture bore.In addition, the effect of permanent magnetism pillar 12 is exactly to make permanent magnet magnetic by the active force in magnetic field
Stone 7 is fixed in the state of no power to turn to side, so as to which aperture is in closing perforate state under the conditions of cold.
Claims (4)
1. the electromagnetic type iris apparatus system of a kind of fully closed perforate, it is characterised in that it includes base, and base is provided with and forms light
The diaphragm hole (2) on road, being additionally provided with two on the base (1) can slide to change the leaf of diaphragm hole (2) size in opposite direction
Piece (3), base (1) are additionally provided with mounting seat (101), and mounting seat (101) is provided with controllable two blades (3) switch closure and slided
It is dynamic, so as to which the solenoid valve block of different size of diaphragm hole (2) be presented.
A kind of 2. electromagnetic type iris apparatus system of fully closed perforate according to claim 1, it is characterised in that solenoid valve block bag
The coil cap (4) fixed with mounting seat (101) is included, coil cap (4) is provided with bobbin (8), guide shaft is provided with bobbin (8)
(5) and driving lever (6), both ends are provided with the drive pin (601) of the bar hole (301) acted on two blades (3) on driving lever (6), pull out
Bar bottom is provided with magnetite (7), and housing (9) is provided with around bobbin (8).
3. the electromagnetic type iris apparatus system of a kind of fully closed perforate according to claim 2, it is characterised in that bobbin (8) wraps
The system for including the driving coil installation portion (801) for winding driving coil and imperial coil being made for winding drives coil installation portion
(802), driving coil installation portion (801) and the imperial coil installation portion (802) of system are equipped with the annular groove for wound around coil, in institute
State driving coil installation portion (801) and be provided with the Hall element slot (804) for inserting Hall element, in the imperial coil installation portion (802) of system
Magnetic pole slot (805) provided with slotting permanent magnetism pillar (12), multiple apertures (803) are additionally provided with the bobbin (8), it is described small
Hole (803) interpolation has the connection terminal (10) for driving coil and the imperial coil of system to be connected with external circuit, and two coils pass through
Four connection terminals (10) connect.
A kind of 4. electromagnetic type iris apparatus system of fully closed perforate according to claim 2, it is characterised in that mounting seat (101)
On be snapped with two pieces of baffle plates (13) being oppositely arranged, the semicircular indentations that two pieces of baffle plates (13) are provided with shape when being oppositely arranged
Into circular mounting hole (14), aperture cover plate (15) is additionally provided with the another side of shown base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720421006.5U CN207148495U (en) | 2017-04-20 | 2017-04-20 | A kind of fully closed perforate electromagnetic type iris apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720421006.5U CN207148495U (en) | 2017-04-20 | 2017-04-20 | A kind of fully closed perforate electromagnetic type iris apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207148495U true CN207148495U (en) | 2018-03-27 |
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ID=61658177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720421006.5U Active CN207148495U (en) | 2017-04-20 | 2017-04-20 | A kind of fully closed perforate electromagnetic type iris apparatus |
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| Country | Link |
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| CN (1) | CN207148495U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108494214A (en) * | 2018-04-19 | 2018-09-04 | 中山联合光电科技股份有限公司 | Simple structure magnetic rotation driving device |
| CN108897181A (en) * | 2018-06-29 | 2018-11-27 | 昆明理工大学 | A kind of micronic dust powder camera aperture |
| CN110865498A (en) * | 2018-08-28 | 2020-03-06 | 三星电机株式会社 | Aperture module, camera module and portable electronic device |
-
2017
- 2017-04-20 CN CN201720421006.5U patent/CN207148495U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108494214A (en) * | 2018-04-19 | 2018-09-04 | 中山联合光电科技股份有限公司 | Simple structure magnetic rotation driving device |
| CN108897181A (en) * | 2018-06-29 | 2018-11-27 | 昆明理工大学 | A kind of micronic dust powder camera aperture |
| CN108897181B (en) * | 2018-06-29 | 2021-05-14 | 昆明理工大学 | Light ring of dust powder camera |
| CN110865498A (en) * | 2018-08-28 | 2020-03-06 | 三星电机株式会社 | Aperture module, camera module and portable electronic device |
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