CN219368931U - Light source shielding structure and darkroom assembly - Google Patents

Abstract

The utility model discloses a light source shielding structure and a darkroom assembly, and relates to the technical field of shielding devices; a first shading plate matched with the first channel; a second light shielding plate matched with the second channel; the driving shaft of the driver is connected with the first light shielding plate and the second light shielding plate; a limit switch connected to the light shielding part; at least two limiting bodies connected to the first light shielding plate and/or the second light shielding plate, wherein the limiting bodies are matched with the limiting switches; and the controller is connected with the driver and the limit switch. Aiming at the technical problem of poor conversion performance of the shielding structure, the utility model has the technical effect that the conversion performance is good.

Description

Light source shielding structure and darkroom assembly

Technical Field

The utility model relates to the technical field of shielding devices, in particular to a light source shielding structure and a darkroom assembly.

Background

The radiation meter is an instrument for measuring radiation intensity, is matched with various radiation recorders or radiation ampere meters, can measure total radiation, reflected radiation, scattered radiation and the like of the sun, and is widely applied to the fields of solar energy utilization, weather, atmospheric pollution and the like.

The related radiometer needs to be checked regularly to ensure the measurement accuracy of the radiometer, and when the radiometer is checked, the radiometer needs to be irradiated, shielded and irradiated, but the related shielding structure generally performs the conversion between irradiation and shielding through the forward rotation and the reverse rotation of the motor, so that the shielding completeness is poor, the motor is easy to damage, and the conversion performance of the shielding structure is poor.

Disclosure of Invention

Aiming at the technical problem of poor conversion performance of a shielding structure, the utility model provides a light source shielding structure and a darkroom assembly, which have good conversion performance.

In order to solve the problems, the technical scheme provided by the utility model is as follows:

a light source shielding structure, comprising:

the light shielding part is provided with a first channel and a second channel;

a first shading plate matched with the first channel;

a second light shielding plate matched with the second channel;

the driving shaft of the driver is connected with the first light shielding plate and the second light shielding plate;

a limit switch connected to the light shielding part;

at least two limiting bodies connected to the first light shielding plate and/or the second light shielding plate, wherein the limiting bodies are matched with the limiting switches;

and the controller is connected with the driver and the limit switch.

Optionally, the device further comprises a connecting plate, wherein one end of the connecting plate is connected with the first light shielding plate and the second light shielding plate, and the other end of the connecting plate is connected with the driving shaft of the driver and the limiting body.

Optionally, the number of the limiting bodies is four.

Optionally, the limiting bodies are uniformly distributed along the circumferential direction of the connecting plate.

Optionally, the light shielding part includes:

a light shielding body;

a roughened layer connected to the light shielding body;

the extinction layer is connected to the rough layer far away from the shading body;

the first channel and the second channel are both arranged on the shading body, and the driver and the limit switch are both connected to the shading body.

Optionally, the first light shielding plate includes:

a first main body part connected with a driving shaft of the driver;

a rough part I connected to one side of the main body part I far from the driving shaft of the driver;

a first extinction part connected to one side of the first rough part away from the first main part;

the first channel is matched with the first main body part, the first rough part and the first extinction part, and the limiting body is connected to the first main body part and/or the second light shielding plate.

Optionally, the second light shielding plate includes:

a second main body part connected with a driving shaft of the driver;

a second rough part connected to one side of the second main body part, which is far from the driving shaft of the driver;

a second extinction part connected to one side of the second rough part away from the second main part;

the second channel is matched with the second main body part, the second rough part and the second extinction part, and the limiting body is connected to the first light shielding plate and/or the second main body part.

Optionally, the limit switch is a photoelectric limit switch.

A darkroom assembly comprising a light source shielding structure, further comprising:

the darkroom body is connected with the light source shielding structure;

a radiation lamp positioned at one side of the light source shielding structure;

the first mounting frame and the second mounting frame are arranged on the other side of the light source shielding structure, the first mounting frame is arranged opposite to the first channel, and the second mounting frame is arranged opposite to the second channel;

the radiation lamp, the first mounting frame and the second mounting frame are all connected to the darkroom body.

Optionally, the camera further comprises an installation body connected in the darkroom body, and the installation body is connected with the shading part.

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects: through the cooperation of at least two spacing bodies and limit switch, can make the cooperation performance of light screen one and passageway one good to and the cooperation performance of light screen two and passageway two is good, can make the driver rotate along a direction again, thereby makes the conversion performance of this light source shielding structure good.

Drawings

FIG. 1 is a schematic view of a darkroom assembly according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a light source shielding structure according to an embodiment of the present utility model;

FIG. 3 is a second schematic view of a light source shielding structure according to an embodiment of the utility model;

FIG. 4 is a schematic diagram of a portion of an embodiment of the present utility model;

FIG. 5 is a third schematic view of a light source shielding structure according to an embodiment of the utility model;

FIG. 6 is a schematic diagram of a portion B according to an embodiment of the present utility model;

FIG. 7 is a schematic diagram of a light source shielding structure according to an embodiment of the utility model;

fig. 8 is a schematic structural view of a light shielding portion according to an embodiment of the present utility model;

fig. 9 is a schematic structural diagram of a first light shielding plate according to an embodiment of the present utility model;

fig. 10 is a schematic structural diagram of a second mask according to an embodiment of the present utility model;

in the figure: 1. a light shielding section; 11. a first channel; 12. a second channel; 101. a light shielding body; 102. a rough layer; 103. a matting layer; 2. a first shading plate; 201. a first main body part; 202. a first rough part; 203. a first extinction part; 3. a second light shielding plate; 301. a second main body; 302. a rough part II; 303. a second extinction part; 4. a driver; 5. a limit switch; 6. a limiting body; 7. a connecting plate; 8. a darkroom body; 9. a radiation lamp; 100. a first mounting frame; 110. a second mounting frame; 120. a mounting body; 130. a standard radiometer; 140. a radiometer to be inspected.

Detailed Description

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings and examples.

The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings. The first, second, etc. words are provided for convenience in describing the technical scheme of the present utility model, and have no specific limitation, and are all generic terms, and do not constitute limitation to the technical scheme of the present utility model. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. The technical schemes in the same embodiment and the technical schemes in different embodiments can be arranged and combined to form a new technical scheme without contradiction or conflict, which is within the scope of the utility model.

Example 1

With reference to fig. 1-10, this embodiment provides a light source shielding structure, including:

the light shielding part 1, wherein a first channel 11 and a second channel 12 are arranged on the light shielding part 1;

a first light shielding plate 2 matched with the first channel 11;

a second light shielding plate 3 matched with the second channel 12;

the driver 4 is connected to the shading part 1, and the driving shaft of the driver 4 is connected with the shading plate I2 and the shading plate II 3;

a limit switch 5 connected to the light shielding portion 1;

at least two limiting bodies 6 connected to the first light shielding plate 2 and/or the second light shielding plate 3, wherein the limiting bodies 6 are matched with the limiting switches 5;

and a controller connected with the driver 4 and the limit switch 5.

Specifically, firstly, the radiation lamp 9 is used as a light source, when the radiation meter is detected, the standard radiation meter 130 is arranged opposite to the first channel 11, the radiation meter 140 to be detected is arranged opposite to the second channel 12, the radiation lamp 9 is started, the radiation lamp 9 passes through the first channel 11 and the second channel 12, the standard radiation meter 130 and the radiation meter 140 to be detected are irradiated for a preset time, then, the controller starts the driver 4, the driver 4 drives the first baffle 2 and the second baffle 3 to rotate, after the limit body 6 and the limit switch 5 sense, the limit switch 5 transmits signals to the controller, the controller closes the driver 4, so that the first baffle 2 and the first channel 11 are completely matched, and the second baffle 3 and the second channel 12 are completely matched, so as to ensure the completeness of the matching, after zero position stabilization, the zero position value is read, the driver 4 drives the first baffle 2 and the second baffle 3 to positively rotate along the same direction, the driver 4 is effectively prevented from being reversed, the driver 4 is unlikely to be damaged, and after the limit body 6 and the limit switch 5 sense, the limit switch 5 sense the signals, the first baffle 2 and the second baffle 3 and the second channel 12 are completely matched, the first baffle 2 and the second baffle 3 are separated, the first and the second channel 12 are irradiated, and the first channel is completely and the second channel 12 are completely separated; in sum, through the cooperation of at least two spacing bodies 6 and limit switch 5, can make the cooperation performance of light screen one 2 and passageway one 11 good to and the cooperation performance of light screen two 3 and passageway two 12 good, can make the driver rotate along a direction again, thereby make this light source shielding structure's conversion performance good.

The light shielding part 1 is used for bearing the first channel 11 and the second channel 12, and has the functions of light shielding, extinction and light absorption, so that a darkroom is conveniently formed, and the light shielding part 1 can be made of black materials and the like; the first channel 11 is used for passing light so as to facilitate light to the standard radiation meter 130, and the second channel 12 is used for passing light so as to facilitate light to the radiation meter 140 to be detected; the first light shielding plate 2 is used for being matched with the first channel 11 and playing roles in shielding light, extinction and light absorption, and the first light shielding plate 2 is made of black materials; the second light shielding plate 3 is used for being matched with the second channel 12, and has the functions of light shielding, extinction and light absorption, so that a darkroom is conveniently formed, and the second light shielding plate 3 is made of black materials; the driver 4 is supported by the shading part 1 and is used for driving the shading plate I2 and the shading plate II 3 to rotate, wherein the driver 4 can be a high-speed motor, a low-speed motor, a constant-speed motor or the like; the limit switch 5 is supported by the light shielding part 1 and is used for being matched with the limit body 6 so as to indirectly control the start and stop of the driver 4, wherein the limit switch 5 can be in contact or non-contact; the limiting bodies 6 are supported by the first light shielding plate 2 and/or the second light shielding plate 3 and are used for being matched with the limiting switches 5, and the number of the limiting bodies 6 is at least two, and meanwhile, the included angle between the two limiting bodies 6 is not 180 degrees, so that the limiting effects of the two limiting bodies 6 are prevented from being the same; the controller is used for receiving signals from the limit switch 5 and controlling the start and stop of the driver 4.

Further, the device further comprises a connecting plate 7, one end of the connecting plate 7 is connected with the first light shielding plate 2 and the second light shielding plate 3, and the other end of the connecting plate 7 is connected with the driving shaft of the driver 4 and the limiting body 6.

Specifically, the connecting plate 7 is used for connecting the first light screen 2, the second light screen 3 and the driving shaft of the driver 4 and the limiting body 6, so that the integrity is improved, the driving shaft of the driver 4 is convenient to drive the connecting plate 7 to rotate, the first light screen 2, the second light screen 3 and the limiting body 6 are convenient to drive to rotate, the first light screen 2 is convenient to be matched with the first channel 11 completely, the second light screen 3 is matched with the second channel 12 completely, and the conversion performance is further improved.

Further, the number of the limiting bodies 6 is four.

Specifically, the included angle between the four limiting bodies 6 is 90 degrees, in other words, the driving shaft of the driver 4 only needs to rotate for one quarter circle, so that the first light shielding plate 2 and the first channel 11 are matched or separated, the second light shielding plate 3 and the second channel 12 are matched or separated, the first light shielding plate 2 and the first channel 11 are completely matched, the second light shielding plate 3 and the second channel 12 are completely matched, the driving shaft of the driver 4 only rotates in one direction, the driver 4 is effectively prevented from reversing, the driver 4 is not easy to damage, and the conversion performance is further improved.

Further, the limiting bodies 6 are uniformly distributed along the circumferential direction of the connecting plate 7.

Specifically, the driving shaft of the driver 4 is made to make the first light shielding plate 2 and the first channel 11 and the second light shielding plate 3 and the second channel 12 cooperate twice and are equally divided twice when rotating for one circle.

Further, the light shielding portion 1 includes:

a light shielding body 101;

a rough layer 102 connected to the light shielding body 101;

a light extinction layer 103 connected to the rough layer 102 far from the light shielding body 101;

the first channel 11 and the second channel 12 are both disposed on the light shielding body 101, and the driver 4 and the limit switch 5 are both connected to the light shielding body 101.

Specifically, the light shielding body 101 is used for carrying the rough layer 102; the rough layer 102 is used to increase the contact area between the extinction layer 103 and light, so that the extinction layer 103 can perform effective light shielding, extinction and light absorption functions, wherein the extinction layer 103 can be made of black material.

Further, the first mask 2 includes:

a first main body 201 connected to a drive shaft of the driver 4;

a rough portion 202 connected to a side of the main body portion 201 away from the drive shaft of the driver 4;

a first extinction portion 203 connected to a side of the first rough portion 202 remote from the first main portion 201;

the first channel 11 is matched with the first main body 201, the first rough portion 202 and the first extinction portion 203, and the limiting body 6 is connected to the first main body 201 and/or the second light shielding plate 3.

Specifically, the first main body 201 is carried by the driving shaft of the driver 4 and is used for carrying the first rough portion 202; the rough portion 202 is used for increasing the contact area between the extinction portion 203 and light, so that the extinction portion 203 can effectively shade light, extinction and absorb light, wherein the extinction portion 203 can be made of black material.

Further, the second mask 3 includes:

a second main body 301 connected to the drive shaft of the driver 4;

a second rough portion 302 connected to a side of the second main body 301 away from the drive shaft of the driver 4;

a second extinction portion 303 connected to a side of the second rough portion 302 remote from the second main portion 301;

the second channel 12 is matched with the second main body 301, the second rough portion 302 and the second extinction portion 303, and the limiting body 6 is connected to the first light shielding plate 2 and/or the second main body 301.

Specifically, the second main body 301 is carried by the driving shaft of the driver 4 and is used for carrying the second rough portion 302; the second rough portion 302 is configured to increase a contact area between the second extinction portion 303 and light, so that the second extinction portion 303 can perform effective light shielding, extinction and light absorption functions, wherein the second extinction portion 303 may be made of a black material.

Further, the limit switch 5 is a photoelectric limit switch.

Specifically, the photoelectric limit switch enables the limit switch 5 to be small in size, multifunctional, long in service life, high in precision, fast in response speed, long in detection distance and strong in light, electric and magnetic interference resistance.

Example 2

Referring to fig. 1-10, this embodiment provides a darkroom assembly, including a light source shielding structure according to embodiment 1, further including:

the darkroom body 8, the light source shields the structure to connect in darkroom body 8;

a radiation lamp 9 positioned at one side of the light source shielding structure;

the first mounting frame 100 and the second mounting frame 110 are arranged on the other side of the light source shielding structure, the first mounting frame 100 is arranged opposite to the first channel 11, and the second mounting frame 110 is arranged opposite to the second channel 12;

the radiant lamp 9, the first mounting frame 100 and the second mounting frame 110 are all connected to the darkroom body 8.

Specifically, the darkroom body 8 is used for supporting the light source shielding structure, the radiation lamp 9, the first mounting frame 100, etc.; the radiation lamp 9 is used for emitting light; the first mounting frame 100 is used for mounting the standard radiometer 130; the second mounting frame 110 is used for mounting a radiometer 140 to be inspected.

Further, the camera further comprises a mounting body 120 connected to the inside of the darkroom body 8, and the mounting body 120 is connected to the light shielding portion 1.

Specifically, the mounting body 120 is carried by the darkroom body 8 and is used for mounting the light shielding portion 1.

The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.

Claims (10)

1. A light source shielding structure, comprising:

the light shielding part is provided with a first channel and a second channel;

a first shading plate matched with the first channel;

a second light shielding plate matched with the second channel;

the driving shaft of the driver is connected with the first light shielding plate and the second light shielding plate;

a limit switch connected to the light shielding part;

at least two limiting bodies connected to the first light shielding plate and/or the second light shielding plate, wherein the limiting bodies are matched with the limiting switches;

and the controller is connected with the driver and the limit switch.

2. The light source shielding structure according to claim 1, further comprising a connecting plate, wherein one end of the connecting plate is connected to the first light shielding plate and the second light shielding plate, and the other end of the connecting plate is connected to the driving shaft of the driver and the stopper.

3. A light source shielding structure according to claim 2, wherein the number of the limiting bodies is four.

4. A light source shielding structure according to claim 3, wherein the limiting bodies are uniformly distributed along the circumferential direction of the connecting plate.

5. A light source shielding structure according to claim 1, wherein the light shielding portion includes:

a light shielding body;

a roughened layer connected to the light shielding body;

the extinction layer is connected to the rough layer far away from the shading body;

the first channel and the second channel are both arranged on the shading body, and the driver and the limit switch are both connected to the shading body.

6. A light source shielding structure according to claim 1, wherein said first light shielding plate comprises:

a first main body part connected with a driving shaft of the driver;

a rough part I connected to one side of the main body part I far from the driving shaft of the driver;

a first extinction part connected to one side of the first rough part away from the first main part;

the first channel is matched with the first main body part, the first rough part and the first extinction part, and the limiting body is connected to the first main body part and/or the second light shielding plate.

7. The light shielding structure of claim 1, wherein the light shielding plate comprises:

a second main body part connected with a driving shaft of the driver;

a second rough part connected to one side of the second main body part, which is far from the driving shaft of the driver;

a second extinction part connected to one side of the second rough part away from the second main part;

the second channel is matched with the second main body part, the second rough part and the second extinction part, and the limiting body is connected to the first light shielding plate and/or the second main body part.

8. A light source shielding structure according to claim 1, wherein the limit switch is an optoelectronic limit switch.

9. A darkroom assembly comprising a light source shielding structure according to any of claims 1-8, further comprising:

the darkroom body is connected with the light source shielding structure;

a radiation lamp positioned at one side of the light source shielding structure;

the first mounting frame and the second mounting frame are arranged on the other side of the light source shielding structure, the first mounting frame is arranged opposite to the first channel, and the second mounting frame is arranged opposite to the second channel;

the radiation lamp, the first mounting frame and the second mounting frame are all connected to the darkroom body.

10. The darkroom assembly according to claim 9 further comprising a mounting body coupled within the darkroom body, the mounting body coupled to the light shielding portion.