CN220493187U

CN220493187U - Pulse synchronous constant brightness control box

Info

Publication number: CN220493187U
Application number: CN202321553233.5U
Authority: CN
Inventors: 程梦平
Original assignee: Wuhan Kailite Technology Co ltd
Current assignee: Wuhan Kailite Technology Co ltd
Priority date: 2023-06-19
Filing date: 2023-06-19
Publication date: 2024-02-13
Anticipated expiration: 2033-06-19

Abstract

The utility model provides a pulse synchronization constant brightness control box, including luminous mechanism, set up at luminous mechanism's lateral part and be used for controlling luminous mechanism work control mechanism, set up the signal input interface on control mechanism, one end is connected on signal input interface's connecting wire one, one end is connected on control mechanism and is used for transmitting the connecting wire two of electric power and signal, one end of connecting wire one is connected with high-speed camera's signal output part, two's the other end and luminous mechanism are connected, the interface has been seted up to luminous mechanism's illumination end, interface detachably is connected with the illumination component who is used for changing illumination zone. The pulse synchronous constant-brightness control box provided by the utility model can change the irradiation range of the light source without replacing the light-emitting mechanism, and can be synchronous with the frame rate and the exposure time of each second of the high-speed camera, so that the image shot by the high-speed camera is clearer.

Description

Pulse synchronous constant brightness control box

Technical Field

The utility model relates to the field of illumination, in particular to a pulse synchronous constant-brightness control box.

Background

In an environment with low illumination intensity, a camera with non-low illumination intensity or non-ultra-low illumination intensity, such as a common camera, cannot image, and in order to make up for the imaging problem caused by insufficient illumination of the camera in the low illumination environment, an auxiliary light source is generally adopted to illuminate an area shot by the camera, such as a light source of a light emitting diode and the like.

In scientific research, a high-speed camera is usually required to shoot certain specific areas, strong light is required to be used as an auxiliary light source in the shooting process of the high-speed camera, so that shooting of the high-speed camera is clearer, different light sources are often required to be replaced for different scientific research works, for example, when shooting ranges or shooting distances are different, the light sources in different illumination ranges are required to be selected to ensure shooting quality, a plurality of different types of light sources are required to be prepared, the positions of the light sources are also required to be adjusted in the light source replacement process, the illumination ranges are concentrated in the shooting areas, and therefore, a device capable of changing the illumination ranges without replacing the light sources is required to be used, and the utility model solves the technical problem.

Disclosure of Invention

The utility model provides a pulse synchronous constant-brightness control box, which can change the irradiation range of a light source without changing a light-emitting mechanism and can be synchronous with the frame rate and the exposure time of a high-speed camera per second, so that the image shot by the high-speed camera is clearer.

The pulse synchronous constant-brightness control box comprises a light-emitting mechanism, a control mechanism, a signal input interface, a first connecting wire, a second connecting wire, a third connecting wire and a fourth connecting wire, wherein the control mechanism is arranged on the side part of the light-emitting mechanism and used for controlling the light-emitting mechanism to work;

the lighting end of the lighting mechanism is provided with an interface which is detachably connected with a lighting component for changing the lighting range.

Further, the light-emitting mechanism comprises an LED shell, an LED auxiliary lamp arranged in the LED shell and a fan arranged in the LED shell and used for radiating, and the LED shell is provided with a first vent hole;

the LED lamp is characterized in that a socket is arranged on the LED shell, the other end of the second connecting wire is connected in the socket, the LED auxiliary lamp and the fan are respectively and electrically connected with the second connecting wire, and the interface is arranged on the side part of the LED shell.

Further, the lighting assembly includes a lens disposed within the interface.

Further, the lighting component comprises a connector connected in the connector and a light pipe with one end vertically connected to the connector, and the other end of the light pipe is connected with the light inlet of the microscope lens.

Further, the control mechanism comprises a shell connected with the LED shell through a fixed angle code, a power supply input interface and a power supply output interface which are arranged on the shell, and a starting switch arranged on the shell, wherein the signal input interface is arranged on the shell, and the power supply input interface and the signal input interface are respectively and electrically connected with the power supply output interface through the power supply switch.

Furthermore, a temperature control switch is arranged in the LED shell, and the temperature control switch is electrically connected with the second connecting wire.

The utility model has the following technical effects:

(1) The light source in the scheme is a light-emitting mechanism, is used for illuminating a shooting area, and controls the work of the light-emitting mechanism through the control mechanism, so that the light-emitting mechanism can be started or stopped, when the area with different ranges is required to be illuminated, different illumination assemblies can be installed on interfaces of the light-emitting mechanism, different illumination assemblies can be selected according to different distances and different illumination ranges, and the light source is not required to be replaced, so that the illumination range of the light source is changed;

(2) According to the scheme, the lighting component can select the lens or the light pipe according to the working distance and the lighting range, and is arranged on the interface of the lighting mechanism, so that the light emitted by the LED shell irradiates the shooting area through the lens or the light pipe, and the shot image is clearer;

(3) The first connecting wire can be directly connected with the signal output end of the camera, so that the frame rate and the exposure time of each second of the LED auxiliary lamp in the light-emitting mechanism and the high-speed camera are synchronous, and the shooting precision is improved in a synchronous mode.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1.

FIG. 2 is a schematic view of a quartz glass light guide as an illumination component

Fig. 3 is a schematic view of the structure of the illumination assembly when the illumination assembly is a fiber optic tube.

Fig. 4 is a partial schematic view of the inside of the light emitting mechanism.

Fig. 5 is a schematic structural diagram of embodiment 2.

Wherein, the reference numerals are as follows: 1. an interface; 2. an LED housing; 3. a vent hole; 4. a power supply input interface; 5. a housing; 6. a power supply output interface; 7. a signal input interface; 8. starting a switch; 9. fixing the corner code; 10. a joint; 11. a fan; 12. an optical fiber tube; 13. a socket; 14. quartz glass light guide; 15. and an LED auxiliary lamp.

Detailed Description

The technical scheme of the utility model will be clearly and completely described below with reference to specific embodiments and drawings.

Example 1

Referring to fig. 1-4, a pulse synchronization constant brightness control box comprises a light emitting mechanism, a control mechanism arranged on the side part of the light emitting mechanism and used for controlling the light emitting mechanism to work, a signal input interface 7 arranged on the control mechanism, a first connecting wire with one end connected to the signal input interface 7, a second connecting wire with one end connected to the control mechanism and used for transmitting power and signals, and a second connecting wire with the other end connected with the signal output end of a high-speed camera, wherein the other end of the second connecting wire is connected with the light emitting mechanism, and the signal input interface 7 in the embodiment is a BNC signal input interface;

the lighting end of the lighting mechanism is provided with an interface 1, and the interface 1 is detachably connected with a lighting component for changing the lighting range.

Further, the light-emitting mechanism comprises an LED housing 2, an LED auxiliary lamp 15 arranged in the LED housing 2 and a fan 11 arranged in the LED housing 2 and used for radiating, the LED housing 2 is provided with a vent hole 3, and the fan 11 discharges heat through the vent hole I;

the LED shell 12 is provided with a socket 13, the other end of the second connecting wire is connected in the socket 13, the LED auxiliary lamp 15 and the fan 11 are respectively and electrically connected with the second connecting wire, and the interface 1 is arranged on the side part of the LED shell 2.

The LED auxiliary lamp 15 in this embodiment is selected as a bead module of CREE XML, and the multispectral light-emitting beads of 365nm, 395nm, 455nm, 525nm, 590nm, 620nm, 660nm, 850nm and the like which are matched with the CREE XML bead module and are available in the market at present can be used, and are installed into the LED housing 2 of the light-emitting mechanism for use.

The LED casing 2 of equidimension not can be selected according to actual demand to this scheme, the luminous mechanism of the lamp pearl module of the different quantity CREE XML of installation of being convenient for to lamp pearl colour, quantity all can be chosen, collocation according to actual demand.

Further, the lighting assembly comprises a lens arranged in the interface 1, which in this embodiment is a PMMA lens as well as a quartz glass lens.

Further, the lighting assembly comprises a connector 10 connected in the interface 1, and a light pipe with one end vertically connected to the connector 10, and the other end of the light pipe is connected with the light inlet of the microscope lens, and the light pipe in this embodiment is a quartz glass light pipe 14 and an optical fiber pipe 12.

The connector 10 in this embodiment may be connected to the interface 1 by means of insertion or by means of a threaded connection, etc., which will not be described in detail here.

Further, the control mechanism comprises a shell 5 connected with the LED shell 2 through a fixed corner 9, a power supply input interface 4 and a power supply output interface 6 which are arranged on the shell 5, and a starting switch 8 arranged on the shell 5, wherein the signal input interface 7 is arranged on the shell 5, and the power supply input interface 4 and the signal input interface 7 are respectively and electrically connected with the power supply output interface 6 through the power supply switch.

The fixed angle code 9 in this embodiment is used to combine the light emitting mechanism and the control mechanism, or the fixed angle code 9 may not combine the two, so that the control mechanism can remotely control the light emitting mechanism, which will not be described in detail here.

The power input interface 4 in this embodiment may use a wide range of safe voltage 20-30VDC input, alternatively may use a single 12VDC input, or use a power adapter or a battery input to supply power, and may select a suitable power supply mode according to practical situations.

Optionally, in this embodiment, a PWM pulse synchronization signal may be input to the signal input interface 7, up to 150000HZ, and may also be connected to the signal output end of the high-speed camera through a first connection line, so that the frame rate per second and the exposure time of the LED housing 2 and the LED auxiliary lamp 15 reach 150000HZ synchronously, or a constant-brightness signal may also be input, and an appropriate signal input manner may be selected according to the actual working environment and the actual requirement, where the LED auxiliary lamp 15 in this embodiment is a low-voltage serial-parallel connection.

Further, a temperature control switch is arranged in the LED casing 2 and is electrically connected with the second connecting wire.

The working procedure of this embodiment is as follows:

the two ends of the first connecting wire are respectively connected to the signal output end of the high-speed camera and the signal input interface 7 of the control mechanism, then the two ends of the second connecting wire are respectively connected to the power supply output interface 6 and the socket 13, the light emitted by the LED shell 2 can be emitted from the interface 1, and a worker can install different light-emitting components according to the shooting distance and the shooting range of the high-speed camera:

when the shooting range is 60cm multiplied by 60cm and the working distance is 10cm-80cm, selecting a PMMA lens;

when the shooting range is 3cm multiplied by 3cm and the working distance is 3cm-10cm, selecting a quartz glass lens;

when the photographing range is 1mm×0.8mm, a quartz glass light guide 14 or an optical fiber tube 12 is selected, one end of the quartz glass light guide 14 and one end of the optical fiber tube 12 in this embodiment are connected to the connector 10, and the other end is connected to a navtar microscope lens in the united states, and the lens is used when the light inlet is 8mm in diameter.

The fan 11 in the light emitting mechanism is used for radiating heat of the LED housing 2, when the light emitting mechanism vibrates due to rotation of the fan 11, the fan 11 can be turned off, and in scientific research, if a light source is required to be put into a vacuum chamber for experiment, the fan 11 is damaged due to rapid rotation, and at the moment, the fan 11 is also required to be turned off.

When the fan 11 stops rotating and the temperature in the light-emitting mechanism rises, the LED housing 2 can be stopped working by using the temperature control switch as high-temperature power-off protection, so that the damage of the device is avoided.

Example 2

Referring to fig. 5, two sides of the control mechanism in the present embodiment are respectively provided with a light emitting mechanism, and the control mechanism is provided with two power supply output interfaces 6, which can be respectively connected with the sockets 13 of the two light emitting mechanisms through two connecting wires, and the working principle thereof is the same as that of embodiment 1, and will not be described in detail herein.

The above-described embodiments are merely preferred embodiments of the present utility model, and other embodiments may be derived from the above-described embodiments by those skilled in the art without undue burden, so that the present application protects not only the above-described embodiments, but also the scope consistent with the principles and characteristics of the present utility model.

Claims

1. The pulse synchronous constant-brightness control box is characterized by comprising a light-emitting mechanism, a control mechanism arranged on the side part of the light-emitting mechanism and used for controlling the light-emitting mechanism to work, a signal input interface (7) arranged on the control mechanism, a first connecting wire with one end connected to the signal input interface (7), a second connecting wire with one end connected to the control mechanism and used for transmitting electric power and signals, wherein the other end of the first connecting wire is connected with a signal output end of a high-speed camera, and the other end of the second connecting wire is connected with the light-emitting mechanism;

the lighting end of the lighting mechanism is provided with an interface (1), and the interface (1) is detachably connected with a lighting component for changing the lighting range.

2. The pulse synchronous constant-brightness control box according to claim 1, wherein the light-emitting mechanism comprises an LED housing (2), an LED auxiliary lamp (15) arranged in the LED housing (2), and a fan (11) arranged in the LED housing (2) and used for heat dissipation, and a vent hole (3) is arranged on the LED housing (2);

the LED lamp is characterized in that a socket (13) is arranged on the LED shell (2), the other end of the second connecting wire is connected in the socket (13), the LED auxiliary lamp (15) and the fan (11) are respectively and electrically connected with the second connecting wire, and the interface (1) is arranged on the side part of the LED shell (2).

3. The pulse synchronized constant brightness control cartridge of claim 2, wherein said illumination assembly comprises a lens disposed within said interface (1).

4. The pulse synchronous constant brightness control box according to claim 2, wherein the illumination assembly comprises a connector (10) connected in the interface (1), and a light pipe with one end vertically connected to the connector (10), and the other end of the light pipe is connected with the light inlet of the microscope lens.

5. The pulse synchronization constant brightness control box according to claim 2, wherein the control mechanism comprises a shell (5) connected with the LED casing (2) through a fixed angle code (9), a power supply input interface (4) and a power supply output interface (6) which are arranged on the shell (5), and a starting switch (8) which is arranged on the shell (5), the signal input interface (7) is arranged on the shell (5), and the power supply input interface (4) and the signal input interface (7) are respectively electrically connected with the shell (5) through the power supply switch.

6. The pulse synchronization constant brightness control box according to claim 2, wherein a temperature control switch is arranged in the LED housing (2), and the temperature control switch is electrically connected with the second connecting wire.