CN117848746A - Height-adjustable infrared lamp array used in vacuum container - Google Patents
Height-adjustable infrared lamp array used in vacuum container Download PDFInfo
- Publication number
- CN117848746A CN117848746A CN202311726378.5A CN202311726378A CN117848746A CN 117848746 A CN117848746 A CN 117848746A CN 202311726378 A CN202311726378 A CN 202311726378A CN 117848746 A CN117848746 A CN 117848746A
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- Prior art keywords
- infrared lamp
- screw
- lamp array
- height
- adjustable
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000009434 installation Methods 0.000 claims abstract description 12
- 238000005259 measurement Methods 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/002—Thermal testing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/023—Industrial applications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/0033—Heating devices using lamps
- H05B3/0038—Heating devices using lamps for industrial applications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
- H05B3/06—Heater elements structurally combined with coupling elements or holders
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radiation Pyrometers (AREA)
Abstract
The invention provides a height-adjustable infrared lamp array used in a vacuum container, which relates to the technical field of aerospace vacuum thermal test equipment. The height-adjustable infrared lamp array provided by the invention adopts a closed-loop temperature control system, so that the temperature control precision of products can be effectively ensured; the device has reasonable integral structure, convenient installation and high positioning precision, can realize the adjustment of two-degree-of-freedom motion, and has good adaptability to irradiated products with different shapes and different irradiation surface height requirements.
Description
Technical Field
The invention relates to the technical field of aerospace vacuum thermal test equipment, in particular to a height-adjustable infrared lamp array used in a vacuum container.
Background
In the field of aerospace, vacuum thermal tests are required to be carried out on products before single-machine assembly or after whole-satellite assembly, and the performance and reliability of the products are checked by simulating the on-orbit running condition of satellites.
The vacuum thermal test is performed in a vacuum vessel equipped with an external heat flow heating device. The existing external heat flow heating equipment comprises a film heating plate, an infrared heating cage, an infrared lamp array and the like. The film heating sheet needs to be adhered to the surface of a product, so that the surface of the product is extremely easy to damage, and residues exist; the infrared heating cage and the conventional infrared lamp array are mostly customized according to the size of the product, the general type is poor, and the height of the irradiation surface is fixed and not adjustable.
According to the search of the prior art, the Chinese patent publication number is CN 109682851A, and a universal adjustable infrared lamp array applied to a vacuum heat test is disclosed, and comprises an adjustable infrared lamp set and an adjustable truss, wherein the adjustable infrared lamp set is adjustably fixed on the adjustable truss. But this scheme can't adjust infrared banks in the direction of height, and when adjusting infrared banks horizontal direction's position, only can pull down it again and adopt bolt-up, inefficiency.
Disclosure of Invention
In view of the drawbacks of the prior art, an object of the present invention is to provide a height-adjustable infrared array for use in a vacuum vessel.
The invention provides a height-adjustable infrared lamp array used in a vacuum container, which comprises a power system, an axial movement module, a mounting frame, an internal mounting base, an infrared lamp array component, a carrying platform and a programmable power supply, wherein the power system, the axial movement module and the carrying platform are respectively mounted on the mounting frame;
the power system can drive the axial movement module to drive the internal installation base and the infrared lamp array assembly to move between the first position and the second position along the height direction of the infrared lamp array, and the programmable power supply automatically adjusts output power through an externally connected measurement and control system, so that the aim of closed-loop temperature control is fulfilled.
Preferably, the internal mounting base comprises an adjustable bracket, an infrared lamp mounting seat, a bottom plate and a cross beam, wherein the infrared lamp array assembly is connected to the infrared lamp mounting seat, the infrared lamp mounting seat is connected to the adjustable bracket, the adjustable bracket and the cross beam are respectively connected to the bottom plate, the cross beam and the bottom plate are connected first to form a frame structure, and the bottom plate is connected to the axial movement module in a sliding manner.
Preferably, the adjustable support and the infrared lamp mounting seat are provided with sliding grooves, and the horizontal position of the infrared lamp array assembly is adjusted through the sliding grooves.
Preferably, heat insulation structures are arranged between the adjustable support and the infrared lamp mounting seat and between the adjustable support and the bottom plate.
Preferably, the system further comprises a sensor module, the measurement and control system is electrically connected with the sensor module, the sensor module comprises a position sensor and a temperature sensor, the position sensor is mounted on the mounting frame, and the temperature sensor is mounted on a product on the carrying platform.
Preferably, the position sensor comprises a first position sensor and a second position sensor, wherein the first position sensor is positioned at the bottom of the mounting frame, and the second position sensor is positioned at the top of the mounting frame;
the infrared lamp array assembly is sensed by the first position sensor when the infrared lamp array assembly is moved to the first position and the second position sensor when the infrared lamp array assembly is moved to the second position.
Preferably, the axial movement module comprises a screw rod, a screw rod fixing seat, a screw rod supporting seat, a screw rod nut seat, a guide rail and a sliding block, wherein one end of the screw rod is connected with the screw rod fixing seat, the other end of the screw rod is connected with the screw rod supporting seat, the screw rod fixing seat, the screw rod supporting seat and the guide rail are all fixedly connected with the inner side of the installation frame, the sliding block is slidably connected onto the guide rail, the screw rod is provided with the screw rod nut seat, and the screw rod nut seat and the sliding block are both fixedly connected with the bottom plate;
the screw rod converts the rotary motion of the power system into the linear motion of the bottom plate, so that the infrared lamp array assembly moves between the first position and the second position.
Preferably, the power system is connected with a screw rod, and the screw rod adopts a trapezoidal screw rod;
when the power system is powered off, the screw rod keeps the screw rod nut seat motionless.
Preferably, the screw rods and the guide rails are arranged in parallel, the screw rods are connected to the middle position of the inner wall at one side of the installation frame, and the guide rails are respectively connected to the side edge positions of the inner walls at two sides of the installation frame.
Preferably, the carrying platform comprises a supporting block and a platform, the product is placed on the platform, the platform is connected to the supporting block, and the supporting block is connected to the bottom of the mounting frame;
the measurement and control system automatically adjusts the output power of the programmable power supply according to the difference between the actual temperature and the set temperature of the product, thereby achieving the purpose of closed-loop temperature control.
Compared with the prior art, the invention has the following beneficial effects:
the height-adjustable infrared lamp array provided by the invention adopts a closed-loop temperature control system, so that the temperature control precision of products can be effectively ensured; the device has reasonable integral structure, convenient installation and high positioning precision, can realize the adjustment of two-degree-of-freedom motion, and has good adaptability to irradiated products with different shapes and different irradiation surface height requirements.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the connection of an internal mounting base to an infrared array module according to the present invention;
FIG. 3 is a schematic view of the structure of the base plate according to the present invention;
FIG. 4 is a partial schematic view of an internal mounting base of the present invention;
FIG. 5 is a front view of the mounting frame of the present invention;
FIG. 6 is a cross-sectional view A-A of FIG. 5
Fig. 7 is a bottom view of the mounting frame of the present invention.
Reference numerals in the drawings: the power system 1, the axial movement module 2, the mounting frame 3, the internal mounting base 4, the infrared lamp array assembly 5, the carrying platform 6, the product 8, the programmable power supply 9, the adjustable bracket 10, the infrared lamp mounting seat 11, the bottom plate 12, the cross beam 13, the heat insulation structure 14, the first position sensor 15, the second position sensor 16, the screw rod 17, the screw rod fixing seat 18, the screw rod supporting seat 19, the screw rod nut seat 20, the guide rail 21, the sliding block 22, the supporting block 23, the platform 24, the temperature sensor 25 and the temperature controller 26.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present invention.
Examples
According to the height-adjustable infrared lamp array for the vacuum container, as shown in fig. 1-7, the infrared lamp array comprises a power system 1, an axial movement module 2, a mounting frame 3, an internal mounting base 4, an infrared lamp array assembly 5, a carrying platform 6, a measurement and control system, a sensor module and a programmable power supply 9, wherein the power system 1, the axial movement module 2 and the carrying platform 6 are respectively arranged on the mounting frame 3, the power system 1 is connected with the axial movement module 2, the axial movement module 2 is connected with the internal mounting base 4 on the mounting frame 3, the internal mounting base 4 is connected with the infrared lamp array assembly 5, the infrared lamp array assembly 5 is connected with the programmable power supply 9, the carrying platform 6 comprises a supporting block 23 and a platform 24, a product 8 is arranged on the platform 24, the platform 24 is connected with the supporting block 23, and the supporting block 23 is connected with the bottom of the mounting frame 3.
The power system 1 comprises a stepping motor or a servo motor, the power system 1 is connected with the axial movement module 2 through a coupler to provide power for the axial movement of the axial movement module 2, and the output rotating speed or the number of rotation turns can be set according to the requirement. The power system 1 can drive the axial movement module 2 to drive the internal installation base 4 and the infrared lamp array assembly 5 to move between a first position and a second position along the height direction of the infrared lamp array, and the pulse number of the power system 1 can be set to enable the power system to stay at any middle position. The external measurement and control system can automatically adjust the output power of the programmable power supply 9 according to the difference between the actual temperature and the set temperature of the product 8, thereby achieving the purpose of closed-loop temperature control.
The axial movement module 2 comprises a screw rod 17, a screw rod fixing seat 18, a screw rod supporting seat 19, a screw rod nut seat 20, a guide rail 21 and a sliding block 22, wherein one end of the screw rod 17 is connected with the screw rod fixing seat 18, the other end of the screw rod 17 is connected with the screw rod supporting seat 19, the screw rod fixing seat 18, the screw rod supporting seat 19 and the guide rail 21 are all fixedly connected with the inner side of the mounting frame 3, the sliding block 22 is slidably connected onto the guide rail 21, the screw rod 17 is provided with the screw rod nut seat 20, and the screw rod nut seat 20 and the sliding block 22 are both fixedly connected with the bottom plate 12; the lead screw 17 and the guide rail 21 are arranged in parallel, the lead screw 17 is connected to the middle position of the inner wall at one side of the installation frame 3, and the guide rail 21 is respectively connected to the side positions of the inner walls at two sides of the installation frame 3. The screw rod 17 converts the rotary motion of the power system 1 into the linear motion of the bottom plate 12, so that the infrared lamp array assembly 5 moves between the first position and the second position. The power system 1 is connected with the screw rod 17, the screw rod 17 adopts a trapezoidal screw rod, the trapezoidal screw rod has a self-locking function, and when the power system 1 is suddenly powered off, the screw rod 17 keeps the screw rod nut seat 20 in place, so that the safety of the product 8 is ensured.
The internally mounted base 4 comprises an adjustable bracket 10, an infrared lamp mounting seat 11, a bottom plate 12 and a cross beam 13, the infrared lamp array assembly 5 is connected to the infrared lamp mounting seat 11, the infrared lamp mounting seat 11 is connected to the adjustable bracket 10, sliding grooves are formed in the adjustable bracket 10 and the infrared lamp mounting seat 11, and the horizontal position of the infrared lamp array assembly 5 is adjusted through the sliding grooves. The adjustable bracket 10 and the cross beams 13 are respectively connected to the bottom plate 12, and the cross beams 13 and the bottom plate 12 are connected first to form a frame structure, and the rigidity of the internal installation base 4 can be ensured by adopting four cross beams 13. The base plate 12 is slidably connected to the axial movement module 2. A heat insulation structure 14 is arranged between the adjustable bracket 10 and the infrared lamp mounting seat 11 and between the adjustable bracket 10 and the bottom plate 12. The insulating structure 14 is made of square glass fiber reinforced plastic with a hole in the middle.
The measurement and control system is electrically connected with a sensor module, the sensor module comprises a position sensor and a temperature sensor 25, the position sensor is installed on the installation frame 3, and the temperature sensor 25 is installed on the product 8. The position sensor comprises a first position sensor 15 and a second position sensor 16, the first position sensor 15 and the second position sensor 16 are high-temperature-resistant mechanical contact sensors, and the temperature sensor 25 is PT100. The first position sensor 15 is located at the bottom of the mounting frame 3, i.e. close to the product 8; the second position sensor 16 is located at the top of the mounting frame 3, i.e. at a position remote from the product 8. When the infrared lamp array assembly 5 is moved to the first position, it is sensed by the first position sensor 15, and when the infrared lamp array assembly 5 is moved to the second position, it is sensed by the second position sensor 16. The temperature indicated by the temperature sensor 25 represents the temperature of the product 8, the measurement and control system 7 feeds back the temperature to the temperature controller 26, and the temperature controller 26 adjusts the output power of the programmable power supply 27 based on the set temperature and the feedback temperature data, so that the temperature of the product and the set temperature gradually approach each other and finally reach the control requirement, and a closed-loop temperature control flow is formed.
In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and are not to be construed as limiting the present application.
The foregoing describes specific embodiments of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the invention. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily without conflict.
Claims (10)
1. The utility model provides a height-adjustable infrared lamp array for in vacuum vessel, its characterized in that, including driving system (1), axial motion module (2), mounting frame (3), internally mounted base (4), infrared lamp array subassembly (5), year thing platform (6) and programmable power supply (9), driving system (1), axial motion module (2) and year thing platform (6) are installed respectively on mounting frame (3), driving system (1) with axial motion module (2) link to each other, axial motion module (2) with internally mounted base (4) on mounting frame (3) link to each other, internally mounted base (4) are connected with infrared lamp array subassembly (5), infrared lamp array subassembly (5) are connected program-controlled power supply (9);
the power system (1) can drive the axial movement module (2) to drive the internal installation base (4) and the infrared lamp array assembly (5) to move between a first position and a second position along the height direction of the infrared lamp array, and the programmable power supply (9) automatically adjusts output power through an externally connected measurement and control system, so that the aim of closed-loop temperature control is fulfilled.
2. The height-adjustable infrared lamp array for use in a vacuum vessel according to claim 1, wherein the internal mounting base (4) comprises an adjustable bracket (10), an infrared lamp mounting base (11), a bottom plate (12) and a cross beam (13), the infrared lamp array assembly (5) is connected to the infrared lamp mounting base (11), the infrared lamp mounting base (11) is connected to the adjustable bracket (10), the adjustable bracket (10) and the cross beam (13) are respectively connected to the bottom plate (12), the cross beam (13) and the bottom plate (12) are connected first to form a frame structure, and the bottom plate (12) is connected to the axial movement module (2) in a sliding manner.
3. The height-adjustable infrared lamp array for use in a vacuum vessel according to claim 2, wherein the adjustable bracket (10) and the infrared lamp mount (11) are each provided with a sliding groove, and the horizontal position of the infrared lamp array assembly (5) is adjusted by the sliding groove.
4. The height-adjustable infrared lamp array for use in a vacuum vessel according to claim 2, wherein heat insulation structures (14) are provided between the adjustable bracket (10) and the infrared lamp mount (11) and between the adjustable bracket (10) and the bottom plate (12).
5. The height-adjustable infrared lamp array for use in a vacuum vessel according to claim 1, further comprising a sensor module, said measurement and control system (7) being electrically connected to said sensor module, said sensor module comprising a position sensor mounted on said mounting frame (3) and a temperature sensor (25), said temperature sensor (25) being mounted on a product (8) on said load carrier (6).
6. The height adjustable infrared array for use in a vacuum vessel according to claim 5, wherein the position sensor comprises a first position sensor (15) and a second position sensor (16), the first position sensor (15) being located at the bottom of the mounting frame (3), the second position sensor (16) being located at the top of the mounting frame (3);
-sensing by the first position sensor (15) when the infrared array assembly (5) is moved to a first position, -sensing by the second position sensor (16) when the infrared array assembly (5) is moved to a second position.
7. The height-adjustable infrared lamp array for use in a vacuum vessel according to claim 2, wherein the axial movement module (2) comprises a screw (17), a screw fixing seat (18), a screw support seat (19), a screw nut seat (20), a guide rail (21) and a slide block (22), one end of the screw (17) is connected with the screw fixing seat (18), the other end of the screw (17) is connected with the screw support seat (19), the screw fixing seat (18), the screw support seat (19) and the guide rail (21) are all fixedly connected with the inner side of the mounting frame (3), the slide block (22) is slidably connected with the guide rail (21), the screw nut seat (20) is arranged on the screw (17), and the screw nut seat (20) and the slide block (22) are both fixedly connected with the bottom plate (12);
the screw rod (17) converts the rotary motion of the power system (1) into the linear motion of the bottom plate (12) so as to realize the motion of the infrared lamp array assembly (5) between a first position and a second position.
8. The height-adjustable infrared lamp array for use in a vacuum vessel as claimed in claim 7, wherein said power system (1) is connected to said screw (17), said screw (17) being a trapezoidal screw;
when the power system (1) is powered off, the screw rod (17) keeps the screw rod nut seat (20) motionless.
9. The height-adjustable infrared lamp array for use in a vacuum vessel as claimed in claim 7, wherein said screw (17) and said guide rail (21) are arranged in parallel, said screw (17) is connected to an intermediate position of an inner wall of one side of said mounting frame (3), and said guide rail (21) is connected to side positions of inner walls of both sides of said mounting frame (3), respectively.
10. Height adjustable infrared lamp array for use in a vacuum vessel according to claim 1, wherein said carrying platform (6) comprises a support block (23) and a platform (24), said product (8) being placed on said platform (24), said platform (24) being connected to said support block (23), said support block (23) being connected to the bottom of said mounting frame (3);
the measurement and control system automatically adjusts the output power of the programmable power supply (9) according to the difference between the actual temperature and the set temperature of the product (8), thereby achieving the purpose of closed-loop temperature control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311726378.5A CN117848746A (en) | 2023-12-14 | 2023-12-14 | Height-adjustable infrared lamp array used in vacuum container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311726378.5A CN117848746A (en) | 2023-12-14 | 2023-12-14 | Height-adjustable infrared lamp array used in vacuum container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117848746A true CN117848746A (en) | 2024-04-09 |
Family
ID=90545548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311726378.5A Pending CN117848746A (en) | 2023-12-14 | 2023-12-14 | Height-adjustable infrared lamp array used in vacuum container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117848746A (en) |
-
2023
- 2023-12-14 CN CN202311726378.5A patent/CN117848746A/en active Pending
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