A kind of mobile lens amplifier
Technical field
The present invention relates to a kind of mobile lens amplifier.
Background technology
I has designed a kind of mobile lens amplifier, and described mobile lens amplifier comprises view finder unit and is fixed on the light compensating apparatus on described view finder unit; Described view finder unit comprises dolly camera, the lens barrel sliding back and forth be socketed in outside dolly camera, described light compensating apparatus comprises: lamp cylinder, be fixed on the circuit board of lamp cylinder inside, LED lamp, control LED lamp push away rotary switch and powered electronic, with circuit board and powered electronic with the use of power supply conducting five metals lid; The shape of circuit board and electronics adapts, the columned electronics positive pole conducting portion of a protrusion is provided with at the center of circuit board, electronics negative pole conducting portion is provided with at the edge of described circuit board, the metal elastic pin that described electronics negative pole conducting portion comprises an outwardly block structure and is arranged in described block structure, described bullet pin is one have the hook solid at inclination angle and electronics positive pole conducting portion and electronics negative pole conducting portion are all positioned on the same face of described circuit board; The internal diameter of power supply conducting five metals lid equals the diameter of powered electronic, at the center of power supply conducting five metals lid, one spring be screwed is set, be provided with outward extending being used for and the crimping playing pin and be used in conjunction with each other at the edge of power supply conducting five metals lid, the length playing pin is more than or equal to the overall height of powered electronic and can just in time touches described crimping; LED lamp and push away rotary switch and be fixed on the opposite face of circuit board relative to electronics both positive and negative polarity conducting portion; Lamp cylinder is provided with LED lamp relative to LED lamp and the installed position that pushes away rotary switch and pushes away rotary switch and dodges hole; Lamp cylinder comprises one end and is provided with the stack shell of opening and closes the lid of described opening, be provided with external diameter on the lid and be less than described lid diameter and the annular projection equaling described barrel diameter, inside that is outside at described annular projection and opening is provided with the rotary buckle and rotation draw-in groove that cooperatively interact, adopts the mode of rotary clamping to combine described ladle body and lid; The shape of described annular projection and the shape of described power supply conducting five metals lid adapt, and are provided with a screw fixed orifice protruding upward in the centre of described lid, together with power supply conducting five metals lid and spring being screwed with lid; Successively circuit board and powered electronic are placed on the inside of described stack shell, then fix with described lid.Note being placed on described stack shell relative to the other end with opening by being fixed with LED lamp with the side pushing away rotary switch when placing circuit board.This scheme is open.But circuit board is the inside being directly placed on lamp cylinder, may rock in use, causes the damage of circuit board.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of mobile lens amplifier with circuit board fixing device.
The object of the invention is to be achieved through the following technical solutions: a kind of mobile lens amplifier, described mobile lens amplifier comprises view finder unit and is fixed on the light compensating apparatus on described view finder unit, described light compensating apparatus comprises lamp cylinder, is fixed on the circuit board of described lamp cylinder inside and the circuit board fixing device for fixing described circuit board, interference fit between described circuit board fixing device and lamp cylinder, described circuit board glue is fixed on described circuit board fixing device.
Preferably, described circuit board is round pie, described circuit board fixing device comprises circuit board and fixes lower casing, described circuit board is fixed lower casing and is become circular, the internal diameter that lower casing fixed by described circuit board is greater than the diameter of described circuit board, and the external diameter that lower casing fixed by described circuit board equals the diameter of described circuit board.This is the concrete shape of circuit board and circuit board fixing device.
Preferably, described light compensating apparatus also comprises powered electronic, the diameter of described circuit board is greater than the diameter of described electronics, and the internal diameter that lower casing fixed by described circuit board equals the diameter of described electronics, and the height that lower casing fixed by described circuit board equals the overall height of described electronics.Electronics can be placed on circuit board like this to fix in lower casing.
Preferably, described circuit board center is provided with outwardly columned electronics positive pole conducting portion and is provided with the metal elastic pin of electronics negative pole conducting at the edge of described circuit board, described bullet pin is provided with a crotch in the end that distance circuit board is far away, and described bullet pin is one-body molded; Fix at described circuit board and lower casing is provided with the bullet pin that described bullet aciculiform shape adapts and dodges position, the length of described bullet pin is greater than the height that lower casing fixed by described circuit board.Only have play the length of pin be greater than height that circuit board fixes lower casing can be play the effect that pin plays conducting.
Preferably, that one end of dodging position and described circuit board contacts at described bullet pin is provided with opening; Be provided with between the crotch of described bullet pin and bullet pin and be greater than the inclination angle that 90 ° are less than 180 °, that one end that described bullet pin and circuit board directly contact is greater than to the distance on summit, described inclination angle the height that lower casing fixed by described circuit board.Play pin generally to weld on circuit boards, inevitably have solder joint, opening is set in order to dodge solder joint, play the effect that pin not only plays turning circuit like this, UNICOM's circuit board and circuit board can also fix lower casing, facilitate us to fix lower casing with glue fixing circuit board and circuit board.
Preferably, described circuit board fixing device also comprises circuit board and fixes upper casing, and interference fit between upper casing and described lamp cylinder fixed by described circuit board; Four openings are provided with at the edge of described circuit board, described circuit board is divided into four electronics placement sections protruding pin and be positioned at center by four described openings, upper casing fixed by described circuit board is the circular ring that one end is closed, and the edge fixing upper casing at described circuit board arranges the circuit board positioning port corresponding with the shape of described protrusion pin.With circuit board fix upper casing and circuit board fix lower casing with the use of, so just circuit board is fixed on circuit board and fixes lower casing and circuit board is fixed between upper casing, like this can protection circuit plate further.
Preferably, the internal diameter that upper casing fixed by described circuit board equals the diameter of described electronics placement section, and the diameter of described electronics placement section equals the diameter of described electronics.Better can fix the fixed position on upper casing at circuit board by limiting circuit plate like this, facilitate us to use glue to fix.
Preferably, described light compensating apparatus also comprise LED lamp and control described light compensating apparatus push away rotary switch; The LED lamp stationary installation being provided with fixing described LED lamp on opposite of the circuit board stationary plane of upper casing is fixed at described circuit board, described LED lamp stationary installation is the strip of hollow and communicates with between described circuit board stationary plane, the LED lamp stationary plane in described LED lamp stationary installation is provided with even number LED lamp pin jack.Effectively can protect LED lamp like this.
Preferably, described LED lamp stationary plane is the downward inclination angle with certain angle.Such LED lamp just can send downward-sloping light, facilitating us when using mobile lens amplifier, regulating light compensating apparatus.
Preferably, described LED lamp stationary installation is positioned at the center that upper casing fixed by circuit board; The described switch fixed part pushing away rotary switch and comprise switch portion and strip, push away the height of the switch fixed part of rotary switch described in the height of described LED lamp stationary installation equals, the length of described LED lamp stationary installation is less than the diameter of described circuit board and pushes away the length of rotary switch fixed part described in equaling.The area on circuit board can be made full use of like this.
The present invention is owing to being fixed on circuit board fixing device with glue by circuit board, and circuit board fixing device and be interference fit between the described circuit board of placement and circuit board fixing device, would not move easily after so circuit board fixing device is fixed on the inside of lamp cylinder, thus circuit board also can not move easily, doing so avoids circuit board and rock because fixing shakiness the damage caused back and forth.
Accompanying drawing explanation
Fig. 1 is the mobile lens amplifier of the embodiment of the present invention;
Fig. 2 is the schematic diagram after the circuit board of the embodiment of the present invention is fixed;
Fig. 3 is the schematic diagram of the circuit board of the embodiment of the present invention;
Fig. 4 is the schematic diagram that lower casing fixed by the circuit board of the embodiment of the present invention;
Fig. 5 is the schematic diagram that the circuit board of the embodiment of the present invention and circuit board fix after lower casing is assembled;
Fig. 6 a and 6b is that upper casing schematic diagram fixed by the circuit board of the embodiment of the present invention;
Fig. 7 is the schematic diagram that the circuit board of the embodiment of the present invention and circuit board fix after upper casing is assembled;
Fig. 8 is the sections fit schematic diagram of the light compensating apparatus of the embodiment of the present invention.
Wherein: 100, mobile lens amplifier; 10, light compensating apparatus; 20, view finder unit; 1, circuit board; 11, pin is protruded; 12, electronics placement section; 13, electronics positive pole conducting portion; 14, pin is played; 2, upper casing fixed by circuit board; 21, circuit board positioning port; 22, LED lamp stationary installation; 221, LED lamp pin jack; 222, LED lamp pickup groove; 3, lower casing fixed by circuit board; 31, play pin and dodge position; 32, opening; 4, rotary switch is pushed away; 5, LED lamp; 6, electronics.
Embodiment
The present invention discloses a kind of mobile lens amplifier, described mobile lens amplifier comprises view finder unit and is fixed on the light compensating apparatus on described view finder unit, described light compensating apparatus comprises lamp cylinder, is fixed on the circuit board of described lamp cylinder inside and the circuit board fixing device for fixing described circuit board, interference fit between described circuit board fixing device and lamp cylinder, described circuit board glue is fixed on described circuit board fixing device.The present invention is owing to being fixed on circuit board fixing device with glue by circuit board, and circuit board fixing device and be interference fit between the described circuit board of placement and circuit board fixing device, would not move easily after so circuit board fixing device is fixed on the inside of lamp cylinder, thus circuit board also can not move easily, doing so avoids circuit board and rock because fixing shakiness the damage caused back and forth.
Below in conjunction with accompanying drawing and preferred embodiment, the invention will be further described.
As shown in Fig. 1 to 8, the light compensating apparatus 10 that mobile lens amplifier 100 comprises view finder unit 20 and is fixed on view finder unit 20, light compensating apparatus 10 comprises lamp cylinder; Be fixed on the circuit board 1 of lamp cylinder inside; The circuit board fixing device (lower casing 3 fixed by circuit board and upper casing 2 fixed by circuit board) of fixing circuit board, interference fit between circuit board fixing device and lamp cylinder, circuit board 1 is fixed on circuit board fixing device with glue: lower casing 3 fixed by circuit board and upper casing 2 fixed by circuit board; Push away rotary switch 4 for what control light compensating apparatus 10, carry out the LED lamp 5 of light filling and the electronics 6. of electricity is provided
As shown in Fig. 3,4,5, circuit board 1 is in round pie, outwardly columned electronics positive pole conducting portion 13 is provided with in the center of circuit board, the metal elastic pin 14 of electronics negative pole conducting is provided with at the edge of circuit board, electronics positive pole conducting portion 13 adopts metal material, for example: copper or aluminium can, play pin 14 and the end that distance circuit board 1 is far away is provided with a crotch, and to play pin 14 be integrated.Fix at circuit board the bullet pin that lower casing 3 is provided with bullet pin 14 shape corresponding and dodge position 31, play pin 14 generally to weld on the circuit card 1, inevitably have solder joint, dodge position 31 at bullet pin to contact that one end with circuit board 1 and be provided with the opening 32 of dodging solder joint, be provided with between the crotch of bullet pin and bullet pin 14 and be greater than the inclination angle that 90 ° are less than 180 °, and play that one end that pin 14 and circuit board 1 directly contact and be greater than to the distance on summit, described inclination angle the height that lower casing fixed by described circuit board, such bullet pin 14 not only plays the effect of turning circuit, lower casing 3 can also be fixed by UNICOM's circuit board 1 with circuit board, us are facilitated to fix lower casing 3 with glue fixing circuit board 1 and circuit board, see Fig. 5, circuit board and the circuit board schematic diagram after to fix between lower casing fixing.
The diameter of circuit board 1 is greater than the diameter of electronics 6, and the internal diameter that lower casing 3 fixed by circuit board equals the diameter of electronics 6, and the height that lower casing 3 fixed by circuit board equals the overall height of electronics 6, and electronics 6 can be placed on circuit board to fix lower casing 3 inner by us like this.Have employed 3 electronics in the present embodiment, the height that lower casing 3 fixed by circuit board just equals the height of these 3 electronics.
As shown in Figure 3, be provided with four openings at the edge of circuit board 1, circuit board is divided into four electronics placement sections 12 protruding pin 11 and be positioned at circuit board 1 center by these four openings, and the diameter of electronics placement section 12 equals the diameter of electronics 6.Electronics positive pole conducting portion 12 is positioned at the center of electronics placement section 12, plays pin 14 and is positioned at four and protrudes one of them of pin 11.As shown in Figure 6 a, the edge fixing upper casing 2 at circuit board is provided with the circuit board positioning port 21 corresponding with protruding pin 11 shape, circuit board 1 is fixed on circuit board with glue and fixes upper casing, uses circuit board to fix lower casing 3 and fixes upper casing 2 with circuit board, be fixed between the two by circuit board 1 with glue.The internal diameter that upper casing 2 fixed by circuit board equals the diameter of electronics placement section 12, like this can the position of limiting circuit plate better.Circuit board 1 and circuit board fix the schematic diagram after assembling between upper casing 2 see Fig. 7. and circuit board 1 and circuit board are fixed lower casing 3 and circuit board and are fixed assembling schematic diagram between upper casing 2 three, see Fig. 2.
As shown in Figure 6 b, the opposite face fixing the stationary plane of the circuit board of upper casing 2 at circuit board is provided with the LED lamp stationary installation 22 of fixing LED lamp 5, strip in hollow of LED lamp stationary installation 22 and be the formation LED lamp pickup groove 221 communicated between circuit board stationary plane, composition graphs 6a can find out; The LED lamp stationary plane of LED lamp stationary installation 22 is provided with even number LED lamp pin jack 221, effectively can protects LED lamp like this.Led lamp stationary plane is the downward inclination angle with certain angle, and such LED lamp 5 just can send downward-sloping light, facilitating us when using mobile lens amplifier 100, regulating light compensating apparatus 10.
LED lamp stationary installation 22 is positioned at the center that upper casing 2 fixed by circuit board; Push away the switch fixed part that rotary switch 4 comprises switch portion and strip, the height of LED lamp stationary installation 22 equals the height of the switch fixed part pushing away rotary switch 4, the length of LED lamp stationary installation 22 is less than the diameter of circuit board 1 and equals to push away the length of rotary switch 4 fixed part, the area on circuit board can be made full use of like this, LED lamp 5 and push away rotary switch 4 be fixed on the schematic diagram that circuit board fixes on upper casing can see Fig. 2.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.