CN219996363U

CN219996363U - Blackbody radiation source capable of heating at constant speed

Info

Publication number: CN219996363U
Application number: CN202321016859.2U
Authority: CN
Inventors: 黄奇; 熊丽春
Original assignee: Wuhan Kelvin Opticalelectronic Technical Co ltd
Current assignee: Wuhan Kelvin Opticalelectronic Technical Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-11-10
Anticipated expiration: 2033-04-28

Abstract

The utility model discloses a blackbody radiation source capable of heating at a constant speed, which relates to the technical field of blackbody radiation sources and comprises a shell, wherein one side of the shell is fixedly connected with an observation surface, a control panel is fixedly connected below the observation surface, heat dissipation holes are formed in the other two sides of the shell, a furnace body is fixedly connected in the shell, a heat conduction cover is fixedly sleeved on the outer side of the furnace body, a mounting groove is formed in one side of the inner part of the heat conduction cover, a heating module is fixedly installed in the mounting groove, heating grooves are formed in the other two sides of the inner part of the heat conduction cover, the heating grooves are communicated with the mounting groove, the heating module is preheated in the mounting groove of the heat conduction cover, heat is then heated at a constant speed from the bottom end of the furnace body to the two sides of the furnace body through the heating grooves, and finally reaches the top end of the furnace body along the heating grooves, and high temperature in the shell can be discharged along with the heat dissipation holes.

Description

Blackbody radiation source capable of heating at constant speed

Technical Field

The utility model relates to the technical field of blackbody radiation sources, in particular to a blackbody radiation source capable of heating at a constant speed.

Background

With the rapid development of infrared remote sensing technology, infrared remote sensing is widely applied to the military field and civil fields such as earth exploration, weather forecast, environmental monitoring and the like. However, all infrared detection instruments can be used after being calibrated by a blackbody, the blackbody serves as a standard radiation source, the effect of the blackbody is increasingly prominent, and the higher the emissivity of the blackbody is, the higher the precision of calibrating the infrared detection instruments is.

According to publication number CN105675143B, a vacuum blackbody radiation source for spaceborne calibration is disclosed, which comprises a cylindrical blackbody outer cylinder; a black body cavity comprising a first portion and a second portion; and the heating component is used for heating the black body cavity, wherein the black body cavity is positioned in the outer cylinder, and a positioning bracket is arranged between the black body cavity and the outer cylinder. The vacuum blackbody radiation source has the advantages of large caliber, good stability, high emissivity and wide temperature range, and meets the requirements of aerospace blackbody.

In the above-mentioned case, vacuum blackbody radiation source has the bore big, stability is good, emissivity is high and temperature range is wide advantage, but the applicant thinks that prior art's heating element position is arranged dispersedly, heats each distribution point of cavity, leads to the blackbody radiation source to have the emissivity lower, the inhomogeneous, unstable defect of temperature field, influence the precision of calibration, and the volume and the weight of the blackbody radiation source that are used often are great, and the manual handling needs to consume longer time and energy, still appears the condition of damage easily, causes unnecessary economic loss.

Disclosure of Invention

The utility model aims to provide a blackbody radiation source capable of heating at a constant speed, and aims to effectively solve the problems that in the prior art, the positions of heating components are distributed and dispersed, and each distribution point of a cavity is heated, so that the blackbody radiation source has the defects of low emissivity, uneven temperature field and unstable temperature, and the calibration accuracy is affected.

In order to solve the problems, the utility model adopts the following technical scheme:

the utility model provides a blackbody radiation source that can heat at uniform velocity, includes the casing, one side fixedly connected with observation face of casing, the below fixedly connected with control panel of observation face, the louvre has all been seted up to the other both sides of casing, the below of louvre is all fixedly connected with handle, the inside fixedly connected with furnace body of casing, the fixed cover in the outside of furnace body is equipped with the heat conduction cover, the mounting groove has been seted up to inside one side of heat conduction cover, fixed mounting has heating module in the mounting groove, the heating groove has all been seted up to the inside other both sides of heat conduction cover, the heating groove all link up with the mounting groove, and copper metal material can be adopted to the heat conduction cover outside the furnace body, and copper metal has good heat conduction effect, and the furnace body is the cylinder setting, and the cylinder end of furnace body is the furnace roof, and laminating observation face sets up, and the conical end of furnace body is the stove bottom, and heating module sets up in the bottom of furnace body, and the heating module is seted up from the mounting groove of heat conduction cover to preheat, and the heat is followed the heating groove to the both sides of furnace body at uniform velocity of furnace body in the bottom, and the heat is finally along the groove to the top of furnace body, and the inside high temperature can be along with the heat release of mounting groove to heat dissipation device to realize the heat radiation at uniform velocity, and compact structure can effectively heat radiation source.

As a preferable scheme of the utility model, a bottom plate is arranged below the shell, a lifting mechanism is arranged between the bottom plate and the shell, and universal wheels are fixedly connected to four corners below the bottom plate.

As a preferable scheme of the utility model, the lifting mechanism comprises a stand column fixedly connected with the middle part above the bottom plate, the upper end of the stand column is slidably connected with an adjusting column, the other end of the adjusting column is fixedly connected to the bottom of the shell, a threaded rod is rotatably connected inside the stand column, and the other end of the threaded rod is in threaded connection with the adjusting column.

As a preferable scheme of the utility model, a forward and reverse rotation motor is fixedly arranged on one side above the bottom plate, and the output end of the forward and reverse rotation motor extends to the inside of the upright post and is fixedly connected with a first gear;

and the threaded rod is coaxially and fixedly connected with a second gear, and the second gear is meshed with the first gear.

As a preferable scheme of the utility model, two limiting plates are arranged above the second gear, and the two limiting plates are fixedly connected with the inner wall of the upright post.

As a preferable scheme of the utility model, a limit rod is arranged on one side, far away from the forward and backward rotating motor, above the bottom plate, the limit rod comprises a first supporting rod fixedly connected with the bottom plate, the upper end of the first supporting rod is connected with a second supporting rod in a sliding manner, and the other end of the second supporting rod is fixedly connected to the shell.

Compared with the prior art, the utility model has the advantages that:

(1) The control panel and the heating module are electrically connected, the heating module can be started to heat through the control panel, the heat conducting cover outside the furnace body can be made of copper metal, the copper metal has good heat conducting effect, the furnace body is in a cylindrical shape, the cylindrical end of the furnace body is the furnace top, the joint observation surface is arranged, the conical end of the furnace body is the furnace bottom, the heating module is arranged at the bottom end of the furnace body, meanwhile, the heating module is preheated from the mounting groove of the heat conducting cover, heat is then heated at constant speed from the bottom end of the furnace body to two sides of the furnace body through the heating groove, the heat is finally heated to the top end of the furnace body along the heating groove, and the high temperature inside the shell can be discharged along with the heat radiating holes, so that the device is simple and compact in structure and can effectively realize constant speed heating of the blackbody radiation source.

(2) In order to promote the convenience when the casing transportation and use, the bottom plate plays main supporting role, connects into an organic wholely through stand and adjusting column between bottom plate and the casing, and adjusting column can drive the casing and carry out altitude mixture control along the stand, can stimulate the casing through the handle of casing both sides, and the universal wheel can promote the convenience when the casing transportation and use in the cooperation.

(3) In order to promote the convenience when casing altitude mixture control, positive and negative rotation motor can drive first gear rotation, and the second gear that drives the meshing connection when first gear rotation rotates can drive the threaded rod when second gear rotation, because threaded rod and adjusting column threaded connection, can drive adjusting column and drive the casing and carry out altitude mixture control along the stand when the threaded rod pivoted, and then promote the convenience when casing altitude mixture control.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

fig. 3 is an enlarged schematic view of the structure a in fig. 2 according to the present utility model.

The reference numerals in the figures illustrate:

1. a housing; 2. an observation surface; 3. a control panel; 4. a heat radiation hole; 5. a handle; 6. a furnace body; 7. a heat conductive cover; 8. a mounting groove; 9. a temperature rising tank; 10. a heating module; 11. a bottom plate; 12. a universal wheel; 13. a column; 14. an adjusting column; 15. a threaded rod; 16. a forward and reverse rotation motor; 17. a first gear; 18. a second gear; 19. a limiting plate; 20. a limit rod; 201. a first strut; 202. and a second support rod.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples:

referring to fig. 1, fig. 2 and fig. 3, the blackbody radiation source capable of heating at a constant speed comprises a housing 1, one side of the housing 1 is fixedly connected with an observation surface 2, the lower part of the observation surface 2 is fixedly connected with a control panel 3, the other two sides of the housing 1 are provided with radiating holes 4, the lower part of the radiating holes 4 is fixedly connected with a handle 5, the inside of the housing 1 is fixedly connected with a furnace body 6, the outside of the furnace body 6 is fixedly sleeved with a heat conducting cover 7, one side of the inside of the heat conducting cover 7 is provided with a mounting groove 8, a heating module 10 is fixedly installed in the mounting groove 8, the other two sides of the inside of the heat conducting cover 7 are provided with heating grooves 9, and the heating grooves 9 are communicated with the mounting groove 8.

In a further embodiment, the shell 1 may be made of stainless steel metal, the control panel 3 is electrically connected with the heating module 10, the heating module 10 is started to heat through the control panel 3, the heat conducting cover 7 on the outer side of the furnace body 6 may be made of copper metal, the copper metal has a good heat conducting effect, the heat conducting cover 7 can ensure heat concentration, heat diffusion is avoided as much as possible, heat is concentrated and transferred at a uniform speed, the furnace body 6 is in a cylindrical shape, the cylindrical end of the furnace body 6 is a furnace top and is arranged by attaching the observation surface 2, the conical end of the furnace body 6 is a furnace bottom, the heating module 10 is arranged at the bottom end of the furnace body 6, meanwhile, the heating module 10 is preheated from the installation groove 8 of the heat conducting cover 7, heat is then uniformly heated from the bottom end of the furnace body 6 to two sides of the furnace body 6 through the heating groove 9, and finally is discharged along with the heat radiating holes 4 along the heating groove 9 to the top end of the furnace body 6, and the high temperature inside the shell 1 is accordingly simple and compact in structure, and uniform temperature of the blackbody radiation source can be effectively realized.

Referring to fig. 1 and 2 specifically, a bottom plate 11 is disposed below the housing 1, a lifting mechanism is disposed between the bottom plate 11 and the housing 1, the lifting mechanism includes a column 13 fixedly connected to a middle portion above the bottom plate 11, an adjusting column 14 is slidably connected to an upper end of the column 13, the other end of the adjusting column 14 is fixedly connected to a bottom of the housing 1, and universal wheels 12 are fixedly connected to four corners below the bottom plate 11.

In a further embodiment, in order to promote the convenience of the shell 1 during transportation and use, the bottom plate 11 plays a main supporting role, the bottom plate 11 and the shell 1 are connected into a whole through the upright posts 13 and the adjusting posts 14, the adjusting posts 14 can drive the shell 1 to adjust the height along the upright posts 13, the shell 1 can be pulled by the handles 5 on two sides of the shell 1, and the convenience of the shell 1 during transportation and use can be promoted by matching with the universal wheels 12.

Referring to fig. 2 specifically, a threaded rod 15 is rotatably connected to the inside of the upright 13, the other end of the threaded rod 15 is in threaded connection with an adjusting column 14, a forward and reverse rotation motor 16 is fixedly mounted on one side above the bottom plate 11, an output end of the forward and reverse rotation motor 16 extends to the inside of the upright 13 and is fixedly connected with a first gear 17, a second gear 18 is coaxially and fixedly connected to the threaded rod 15, and the second gear 18 is meshed with the first gear 17.

In a further embodiment, in order to improve the convenience of the height adjustment of the casing 1, the forward and backward rotation motor 16 may drive the first gear 17 to rotate, and the first gear 17 rotates while driving the second gear 18 in meshed connection, and the second gear 18 rotates while driving the threaded rod 15 to rotate, and since the threaded rod 15 is in threaded connection with the adjusting post 14, the threaded rod 15 rotates while driving the adjusting post 14 to drive the casing 1 to perform the height adjustment along the upright post 13, thereby improving the convenience of the height adjustment of the casing 1.

Referring to fig. 2 specifically, two limiting plates 19 are disposed above the second gear 18, and the two limiting plates 19 are fixedly connected with the inner wall of the upright post 13.

In a further embodiment, the two limiting plates 19 can limit the lowest position of the adjusting column 14, so as to avoid the lower position of the adjusting column 14 from colliding with the second gear 18 as much as possible, and improve the rationality of the structure.

Referring to fig. 1 and 2 specifically, a limit rod 20 is disposed on a side, away from the forward and reverse rotation motor 16, of the base plate 11, the limit rod 20 includes a first support rod 201 fixedly connected with the base plate 11, a second support rod 202 is slidably connected to an upper end of the first support rod 201, and the other end of the second support rod 202 is fixedly connected to the housing 1.

In a further embodiment, the limiting rod 20 is used for limiting the position of the shell 1, so that the vertical lifting of the shell 1 is ensured, the limiting rod 20 is fixedly connected with the bottom plate 11 through the first supporting rod 201, and the second supporting rod 202 can synchronously lift along the first supporting rod 201 while the shell 1 is lifted, so that the limiting rod 20 is used for limiting the position of the shell 1, and the vertical lifting of the shell 1 is ensured.

When the device is used, the height of the shell 1 is lowered so as to be transported through the universal wheels 12, after the shell 1 is transported to a required place, the height of the shell 1 is adjusted to a proper position through the cooperation of the first gear 17, the second gear 18 and the threaded rod 15, the heating module 10 can be started to heat through the control panel 3, the heat conducting cover 7 at the outer side of the furnace body 6 can be made of copper metal, the copper metal has good heat conducting effect, the furnace body 6 is in a cylindrical shape, the cylindrical end of the furnace body 6 is a furnace top and is attached to the observation surface 2, the conical end of the furnace body 6 is a furnace bottom, the heating module 10 is arranged at the bottom end of the furnace body 6, meanwhile, the heating module 10 is preheated from the installation groove 8 of the heat conducting cover 7, heat is heated at a uniform speed from the bottom end of the furnace body 6 to the two sides of the furnace body 6 through the heating groove 9, the heat is finally heated to the top end of the furnace body 6 along the heating groove 9, and the high temperature inside the shell 1 can be discharged along with the heat radiating holes 4, so that the device is simple and compact in structure and can effectively realize uniform speed heating of a blackbody radiation source.

It should be understood that the foregoing examples of the present utility model are merely illustrative of the present utility model and not limiting of the embodiments of the present utility model, and that various other changes and modifications can be made by those skilled in the art based on the above description, and it is not intended to be exhaustive of all of the embodiments, and all obvious changes and modifications that come within the scope of the utility model are defined by the following claims.

Claims

1. Blackbody radiation source that can heat up at uniform velocity, which comprises a housin (1), one side fixedly connected with of casing (1) observes face (2), the below fixedly connected with control panel (3) of observing face (2), louvre (4) have all been seted up to the other both sides of casing (1), the equal fixedly connected with handle (5) of below in louvre (4), its characterized in that: the utility model discloses a heat-conducting furnace is characterized in that a furnace body (6) is fixedly connected inside a shell (1), a heat-conducting cover (7) is fixedly sleeved outside the furnace body (6), an installation groove (8) is formed in one side of the inside of the heat-conducting cover (7), a heating module (10) is fixedly installed in the installation groove (8), heating grooves (9) are formed in the other two sides of the inside of the heat-conducting cover (7), and the heating grooves (9) are communicated with the installation groove (8).

2. A uniformly heatable blackbody radiation source as defined in claim 1, wherein: the lifting mechanism is arranged between the bottom plate (11) and the shell (1), and universal wheels (12) are fixedly connected to four corners of the bottom plate (11).

3. A uniformly heatable blackbody radiation source as defined in claim 2, wherein: the lifting mechanism comprises a stand column (13) fixedly connected with the middle part above a bottom plate (11), an adjusting column (14) is slidably connected with the upper end of the stand column (13), the other end of the adjusting column (14) is fixedly connected to the bottom of the shell (1), a threaded rod (15) is rotatably connected to the inside of the stand column (13), and the other end of the threaded rod (15) is in threaded connection with the adjusting column (14).

4. A uniformly heatable blackbody radiation source as set forth in claim 3, wherein: a forward and reverse rotation motor (16) is fixedly arranged on one side above the bottom plate (11), and the output end of the forward and reverse rotation motor (16) extends to the inside of the upright post (13) and is fixedly connected with a first gear (17);

the threaded rod (15) is coaxially and fixedly connected with a second gear (18), and the second gear (18) is meshed with the first gear (17).

5. A uniformly heatable blackbody radiation source as defined in claim 4, wherein: two limiting plates (19) are arranged above the second gear (18), and the two limiting plates (19) are fixedly connected with the inner wall of the upright post (13).

6. A uniformly heatable blackbody radiation source as defined in claim 4, wherein: one side of positive and negative rotation motor (16) is kept away from above bottom plate (11) is provided with gag lever post (20), gag lever post (20) include with bottom plate (11) fixed connection's first branch (201), the upper end sliding connection of first branch (201) has second branch (202), the other end fixed connection of second branch (202) is to casing (1).