CN112316992A - High-low temperature rapid alternating damp-heat test box and test method thereof - Google Patents
High-low temperature rapid alternating damp-heat test box and test method thereof Download PDFInfo
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- CN112316992A CN112316992A CN202011090316.6A CN202011090316A CN112316992A CN 112316992 A CN112316992 A CN 112316992A CN 202011090316 A CN202011090316 A CN 202011090316A CN 112316992 A CN112316992 A CN 112316992A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L1/00—Enclosures; Chambers
- B01L1/02—Air-pressure chambers; Air-locks therefor
- B01L1/025—Environmental chambers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L7/00—Heating or cooling apparatus; Heat insulating devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/0082—Monitoring; Testing using service channels; using auxiliary channels
- H04B17/0087—Monitoring; Testing using service channels; using auxiliary channels using auxiliary channels or channel simulators
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/29—Performance testing
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Abstract
The invention discloses a high-low temperature rapid alternating humid heat test box which comprises a supporting plate, a translation assembly, a lifting assembly, a rotating assembly and an accommodating assembly, wherein the translation assembly is installed on the upper part of the supporting plate, the lifting assembly is installed on the upper part of the translation assembly, the rotating assembly is installed on the upper part of the supporting plate, and the accommodating assembly is installed on the upper part of the rotating assembly. According to the invention, the translation assembly is used for translating the transmitting antenna, the lifting assembly is used for adjusting the height of the transmitting antenna, the rotating assembly is used for rotating the to-be-detected piece, the accommodating assembly is used for fixing the to-be-detected piece and providing a placing space meeting different temperatures and humidity, and the test of the sensitivity of the to-be-detected piece under different temperatures and different humidity conditions is effectively realized.
Description
Technical Field
The invention relates to the technical field of antenna experiments, in particular to a high-low temperature rapid alternating damp-heat test box and a high-low temperature rapid alternating damp-heat test method.
Background
Currently, attention is paid to the test of the radiation performance of the whole mobile phone in the test of the radio frequency performance of the mobile phone, and the radiation performance reflects the final transmission and receiving performance of the mobile phone. At present, there are two main methods for investigating the radiation performance of a mobile phone: one method is to judge the radiation performance of the antenna, and is a traditional antenna test method at present, which is called passive test; the other is that
In a special microwave darkroom, the radiation power and the receiving sensitivity of the mobile phone are tested, and the test is called active test. The passive test focuses on the investigation of the radiation parameters of the antenna, such as the gain, the efficiency, the directional diagram and the like of the mobile phone antenna.
The current test is generally performed under specific temperature and humidity conditions, but the mobile phone does not operate under the specific temperature and humidity conditions, which results in that the test cannot cover a wide environmental range and is not beneficial to detecting the receiving sensitivity under different temperature and humidity conditions.
Disclosure of Invention
Technical problem to be solved
The invention can solve the problems that the existing equipment is difficult to meet the regulation of different temperatures and different humidities in the existing test box and simulate more complicated use working conditions.
(II) technical scheme
In order to achieve the above object, the present invention adopts the following technical solutions, wherein the high-low temperature rapid alternating humid heat test chamber comprises a support plate, a translation assembly, a lifting assembly, a rotation assembly and an accommodating assembly, the translation assembly is mounted on the upper portion of the support plate, the lifting assembly is mounted on the upper portion of the translation assembly, the rotation assembly is mounted on the upper portion of the support plate, and the accommodating assembly is mounted on the upper portion of the rotation assembly, wherein:
the translation assembly comprises a first guide rail, a first sliding block, a first driving piece and a first guide piece, the first guide rail is installed on the upper portion of the supporting plate, the first sliding block is installed on the inner side of the first guide rail in a sliding mode, the first driving piece is installed on the upper portion of the supporting plate, the output end of the first driving piece is in transmission connection with the side portion of the first sliding block, and the first guide piece is installed on the side portion of the first sliding block.
The lifting assembly comprises a base plate, a second guide rail, a second sliding block, a second driving piece, a second guide piece and a polarization piece, the base plate is installed on the upper portion of the first guide piece, the second guide rail is installed on the upper portion of the base plate, the second sliding block is installed on the side portion of the second guide rail in a sliding mode, an upright post is installed on the side portion of the second sliding block, the second driving piece is installed on the upper portion of the base plate, the output end of the second driving piece is in transmission connection with the side portion of the upright post, and the polarization piece is installed on the upper portion of the upright post;
the rotary component comprises a base, a third driving piece, a rotary disc, an upright rod and an air guide tube, the base is installed on the upper portion of the supporting plate, the third driving piece is installed on the inner side of the base, the rotary disc is installed at the output end of the third driving piece through a gear ring bearing in a transmission mode, a transition joint is installed on the upper portion of the rotary disc, the side portion of the transition joint is connected with the air guide tube, an exhaust pipe is installed on the side portion of the transition joint, the supporting plate is installed on the side portion of the rotary disc, and the upright rod is installed on;
the holding assembly comprises a polarization head, a housing, a rear cover, a central shaft, a fine adjustment piece and a clamp, the polarization head is installed on the upper portion of the vertical rod, the rear cover is installed on the lateral portion of the polarization head, the insulation board is installed on the lateral portion of the rear cover, the central shaft is installed on the inner side of the polarization head, the central shaft penetrates through the insulation board and is connected with the fine adjustment piece, the clamp is installed on the lateral portion of the fine adjustment piece, the housing is hinged to the lateral portion of the rear cover, a first fixing block is installed on the lateral portion of the rear cover, a locking rib is installed on the lateral portion of the housing, a second fixing block is installed on the lateral portion of the locking rib, a threaded rod is installed between the second fixing blocks in a rotating mode, the lateral portion of the threaded rod is connected with a touch block.
As a preferred technical solution of the present invention, the first driving member includes two supporting blocks, a first forward and backward rotation motor, a first lead screw, and a lead screw seat, the two supporting blocks are mounted on the upper portion of the supporting plate, the first lead screw is rotatably mounted between the two supporting blocks, the lead screw seat is mounted on a side portion of the first slider, the first forward and backward rotation motor is mounted on the upper portion of the supporting plate, the first lead screw is in transmission connection with the first forward and backward rotation motor, and the first lead screw passes through a center of the lead screw seat and is in threaded connection with the lead screw seat.
As a preferred embodiment of the present invention, the first guide includes two plate bodies, an L-shaped plate, a third guide rail, and a third slider, the two plate bodies are mounted on an upper portion of the first slider, the L-shaped plate is mounted on a side portion of the one plate body, the third slider is mounted on a lower portion of the L-shaped plate, the third guide rail is mounted on an upper portion of the support plate, and the third slider is slidably mounted on an upper portion of the third guide rail.
As a preferable technical solution of the present invention, the second driving member includes a support frame, a second forward and reverse rotation motor, a second lead screw, an ear plate and a lead screw sleeve, the support frame is mounted on the upper portion of the base plate, the second forward and reverse rotation motor is mounted on a side portion of the support frame, the second lead screw is mounted on an output end of the second forward and reverse rotation motor in a transmission manner, the ear plate is mounted on a side portion of the upright post, the lead screw sleeve is mounted on a side portion of the ear plate, and the second lead screw is connected to an inner side of the lead screw sleeve in a threaded manner.
As a preferable technical solution of the present invention, the second guide includes a fourth guide rail, a fourth slider, and a reinforcing plate, the fourth guide rail is mounted on a side portion of the second guide rail, the reinforcing plate is mounted on a side portion of the pillar, an inner side of the reinforcing plate is in clearance fit with an outer wall of the backing plate, the side portion of the reinforcing plate is connected to the fourth slider, and the fourth slider is slidably disposed on the side portion of the fourth guide rail.
As a preferred technical solution of the present invention, the polarization member includes a speed reduction motor, a polarization cover and a fixing plate, the speed reduction motor is mounted on the upper portion of the upright post, an output end of the speed reduction motor is mounted to be in transmission connection with the fixing plate, and the polarization cover is mounted on a side portion of the speed reduction motor.
As a preferable technical solution of the present invention, the fine adjustment member includes a connection frame, a connection rod, and a damping rotation shaft, the connection frame is installed at a side portion of the central shaft, the connection rod is installed at a side portion of the connection frame, and the damping rotation shaft is installed at a side portion of the connection rod.
As a preferred technical scheme of the present invention, the clamp includes a bracket, a rack, a limiting block, a gear and a clamping block, the bracket is mounted at a rotating end of the damping rotating shaft, the rack is mounted at a side portion of the bracket, the limiting block is mounted at a side portion of the rack, the gear is rotatably mounted at a side portion of the bracket through a torsion spring, the rack is engaged with the gear, and the clamping block is mounted at a side portion of the gear.
In addition, the invention also provides a high-low temperature rapid alternating damp-heat test method, which specifically comprises the following steps:
s1, firstly, placing the test box in a darkroom, connecting an air inlet pipe with a heating device and a humidity supply device arranged outside the darkroom through a hose and a three-way pipe, communicating an exhaust pipe with the outside of the darkroom through the hose, arranging a wave-absorbing material on the side part of a supporting plate, installing an emitting antenna on the side part of a polarization piece, and fixing an object to be tested on the inner side of a housing through a clamp;
s2, operating the translation assembly, operating the first driving piece under the guiding of the first guiding piece, pushing the first sliding block to slide on the side part of the first guide rail, and further driving the lifting assembly to move to drive the transmitting antenna to horizontally move;
s3, operating the lifting assembly, operating a second driving piece under the guiding of a second guiding piece, pushing a second sliding block to slide on the side part of a second guide rail, and further driving the upright post to move to drive the transmitting antenna to move up and down;
s4, rotating assembly' S operation, the operation through the third driving piece drives the carousel and rotates, and the rotation of carousel drives and holds the subassembly and rotate, adjusts the angle of the piece that awaits measuring to at the in-process of debugging, apply different temperature and humidity to the inboard of intake pipe, can be under different temperatures and different humidity, test the sensitivity of receiving of the piece that awaits measuring.
(III) advantageous effects
1. According to the high-low temperature rapid alternating damp-heat test box provided by the invention, the translation assembly pushes the first sliding block to slide on the side part of the first guide rail through the operation of the first driving piece and under the cooperation of the first guide piece, so that the lifting assembly is driven to move in parallel, and the position of the transmitting antenna is adjusted;
2. according to the high-low temperature rapid alternating damp-heat test box, the lifting assembly drives the transmitting antenna to move up and down under the matching of the second sliding block and the second guide rail through the operation of the second driving piece and under the matching of the second guiding piece, so that the height of the transmitting antenna is adjusted;
3. according to the high-low temperature rapid alternating damp-heat test box provided by the invention, the accommodating assembly is used for simply and conveniently fixing the piece to be tested, hot air or moisture is introduced through the air inlet pipe, the temperature and the humidity of the environment where the piece to be tested is located are changed, and the receiving sensitivity of the piece to be tested is convenient to test under different temperature and humidity conditions;
4. according to the high-low temperature rapid alternating humid heat test box provided by the invention, the rotating assembly can effectively realize the rotation of the to-be-tested piece, and the relative position and angle of the transmitting antenna and the to-be-tested piece can be adjusted under the coordination of the translation assembly and the lifting assembly, so that the sensitivity of the to-be-tested piece can be better tested.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is an isometric view of the present invention;
FIG. 2 is a perspective view of the translation assembly and lift assembly attachment shaft of the present invention;
FIG. 3 is a schematic view of a portion of the translation assembly of the present invention from a first perspective;
FIG. 4 is a schematic view of a second perspective of the construction of a portion of the translation assembly of the present invention;
FIG. 5 is a schematic view of a portion of the lift assembly of the present invention from a first perspective;
FIG. 6 is a schematic view of a second perspective of the construction of the lift assembly of the present invention;
FIG. 7 is a schematic view of a second slider portion of the present invention;
FIG. 8 is a first perspective view of the rotating assembly of the present invention connected to a receiving assembly;
FIG. 9 is a second perspective view of the rotating assembly of the present invention connected to a receiving assembly;
FIG. 10 is a schematic view of a portion of the trim of the present invention;
fig. 11 is a partial structural view of the clip of the present invention.
In the figure: 100. a support plate; 200. a translation assembly; 210. a first guide rail; 220. a first slider; 230. a first driving member; 231. a support block; 232. a first positive and negative rotation motor; 233. a first lead screw; 234. a screw base; 240. a first guide member; 241. a plate body; 242. an L-shaped plate; 243. a third guide rail; 244. a third slider; 300. a lifting assembly; 310. a base plate; 320. a second guide rail; 330. a second slider; 340. a second driving member; 341. a support frame; 342. a second positive and negative rotation motor; 343. a second lead screw; 344. an ear plate; 345. a screw rod sleeve; 350. a second guide member; 351. a fourth guide rail; 352. a fourth slider; 353. a reinforcing plate; 360. a polarization member; 361. a reduction motor; 362. a polarization shield; 363. a fixing plate; 370. a column; 400. a rotating assembly; 410. a base; 420. a third driving member; 430. a turntable; 440. erecting a rod; 450. an air duct; 460. a transition joint; 470. an exhaust pipe; 500. a containment assembly; 510. a polarization head; 520. a housing; 521. locking ribs; 522. a second fixed block; 523. a threaded rod; 524. a contact block; 530. a rear cover; 531. a first fixed block; 540. a central shaft; 550. a fine adjustment member; 551. a connecting frame; 552. a connecting rod; 553. a damping rotating shaft; 560. a clamp; 561. a support; 562. a rack; 563. a limiting block; 564. a gear; 565. a clamping block; 570. a thermal insulation board; 580. an air inlet pipe.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "longitudinal", "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
As shown in fig. 1 to 11, a high and low temperature rapid alternating humid heat test chamber comprises a support plate 100, a translation assembly 200, a lifting assembly 300, a rotation assembly 400 and a containing assembly 500, wherein the translation assembly 200 is mounted on the upper portion of the support plate 100, the lifting assembly 300 is mounted on the upper portion of the translation assembly 200, the rotation assembly 400 is mounted on the upper portion of the support plate 100, and the containing assembly 500 is mounted on the upper portion of the rotation assembly 400, wherein:
the translation assembly 200 includes a first guide rail 210, a first sliding block 220, a first driving member 230 and a first guiding member 240, the first guide rail 210 is mounted on the upper portion of the supporting plate 100, the first sliding block 220 is slidably mounted on the inner side of the first guide rail 210, the first driving member 230 is mounted on the upper portion of the supporting plate 100, the output end of the first driving member 230 is in transmission connection with the side portion of the first sliding block 220, and the first guiding member 240 is mounted on the side portion of the first sliding block 220.
The lifting assembly 300 comprises a base plate 310, a second guide rail 320, a second sliding block 330, a second driving member 340, a second guide 350 and a polarization member 360, wherein the base plate 310 is mounted on the upper part of the first guide 240, the second guide rail 320 is mounted on the upper part of the base plate 310, the second sliding block 330 is slidably mounted on the side part of the second guide rail 320, the upright 370 is mounted on the side part of the second sliding block 330, the second driving member 340 is mounted on the upper part of the base plate 310, the output end of the second driving member 340 is in transmission connection with the side part of the upright 370, and the polarization member 360 is mounted on the upper part of the upright;
the rotating assembly 400 comprises a base 410, a third driving member 420, a rotating disc 430, an upright rod 440 and an air duct 450, wherein the base 410 is mounted on the upper portion of the support plate 100, the third driving member 420 is mounted on the inner side of the base 410, the rotating disc 430 is mounted at the output end of the third driving member 420 through the transmission of a gear ring bearing, a transition joint 460 is mounted on the upper portion of the rotating disc 430, the side portion of the transition joint 460 is connected with the air duct 450, an exhaust pipe 470 is mounted on the side portion of the transition joint 460, the support plate 100 is mounted on the side portion of the rotating;
the accommodating component 500 comprises a polarization head 510, a housing 520, a rear cover 530, a central shaft 540, a fine adjustment piece 550 and a clamp 560, wherein the polarization head 510 is installed on the upper part of a vertical rod 440, the rear cover 530 is installed on the side part of the polarization head 510, a heat insulation plate 570 is installed on the side part of the rear cover 530, the central shaft 540 is installed on the inner side of the polarization head 510, the central shaft 540 penetrates through the heat insulation plate 570 and is connected with the fine adjustment piece 550, the clamp 560 is installed on the side part of the fine adjustment piece 550, the housing 520 is hinged on the side part of the rear cover 530, a first fixing block 531 is installed on the side part of the rear cover 530, a locking rib 521 is installed on the side part of the housing 520, a second fixing block 522 is installed on the side part of the locking rib 521, a threaded rod 523 is rotatably installed between the second fixing blocks 522, a contact block 524 is connected on the side part of the threaded rod 523, the side part of, the dielectric constant is 1.08, the loss tangent is 0.0052, and the glass has good heat preservation and wave-transparent performance.
Specifically, the first driving member 230 includes two supporting blocks 231, a first forward and reverse rotation motor 232, a first lead screw 233 and a lead screw seat 234, the two supporting blocks 231 are mounted on the upper portion of the supporting plate 100, the first lead screw 233 is rotatably mounted between the two supporting blocks 231, the lead screw seat 234 is mounted on the side portion of the first slider 220, the first forward and reverse rotation motor 232 is mounted on the upper portion of the supporting plate 100, the first lead screw 233 is in transmission connection with the first forward and reverse rotation motor 232, the first lead screw 233 passes through the center of the lead screw seat 234 and is in threaded connection with the lead screw seat 234, when in use, the first lead screw 233 is driven to rotate by the operation of the first forward and reverse rotation motor 232, and the first slider 220 is driven to slide on the inner side of the first guide rail 210 under the cooperation of the lead screw seat.
Specifically, the first guide 240 includes two plate bodies 241, an L-shaped plate 242, a third guide rail 243 and a third slider 244, the two plate bodies 241 are mounted on the upper portion of the first slider 220, the L-shaped plate 242 is mounted on a side portion of one plate body 241, the third slider 244 is mounted on a lower portion of the L-shaped plate 242, the third guide rail 243 is mounted on an upper portion of the support plate 100, and the third slider 244 is slidably mounted on an upper portion of the third guide rail 243.
Specifically, the second driving member 340 includes a supporting frame 341, a second forward and reverse rotation motor 342, a second lead screw 343, an ear plate 344 and a lead screw sleeve 345, the supporting frame 341 is installed on the upper portion of the base plate 310, the second forward and reverse rotation motor 342 is installed on the side portion of the supporting frame 341, the second lead screw 343 is installed at the output end of the second forward and reverse rotation motor 342 in a transmission manner, the ear plate 344 is installed on the side portion of the upright post 370, the lead screw sleeve 345 is installed on the side portion of the ear plate 344, and the second lead screw 343 is connected to the inner side of the lead screw sleeve 345 in a threaded manner.
Specifically, second guide 350 includes fourth guide 351, fourth slider 352 and reinforcing plate 353, fourth guide 351 is installed in the lateral part of second guide 320, reinforcing plate 353 is installed in the lateral part of stand 370, the inboard of reinforcing plate 353 is clearance fit with the outer wall of backing plate 310, the lateral part of reinforcing plate 353 links to each other with fourth slider 352, fourth slider 352 slides and sets up in the lateral part of fourth guide 351, during the specific use, in the in-process that stand 370 goes up and down, drive reinforcing plate 353 and reciprocate, and then drive fourth slider 352 and slide at the lateral part of fourth guide 351, carry out effectual direction, guarantee the steady of going up and down.
Specifically, polarization piece 360 includes gear motor 361, polarization cover 362 and fixed plate 363, and gear motor 361 installs in the upper portion of stand 370, and gear motor 361's output end installation links to each other with fixed plate 363 transmission, and polarization cover 362 installs in gear motor 361's lateral part, and during the specific use, fix the emitting antenna through fixed plate 363, can adjust emitting antenna's angle through gear motor 361's operation.
Specifically, the fine-tuning member 550 comprises a connecting frame 551, a connecting rod 552 and a damping rotating shaft 553, the connecting frame 551 is installed at the side of the central shaft 540, the connecting rod 552 is installed at the side of the connecting frame 551, the damping rotating shaft 553 is installed at the side of the connecting rod 552, and during specific use, fine tuning of the to-be-tested member can be achieved through the damping rotating shaft 553.
Specifically, the clamp 560 comprises a support 561, a rack 562, a limiting block 563, a gear 564 and a clamping block 565, the support 561 is installed at the rotating end of the damping rotating shaft 553, the rack 562 is installed at the side portion of the support 561, the limiting block 563 is installed at the side portion of the rack 562, the gear 564 is installed at the side portion of the support 561 through rotation of a torsion spring, the rack 562 is meshed with the gear 564, and the clamping block 565 is installed at the side portion of the gear 564.
In addition, the invention also provides a high-low temperature rapid alternating damp-heat test method, which specifically comprises the following steps:
s1, firstly, placing the test box in a darkroom, connecting an air inlet pipe with a heating device and a humidity supply device arranged outside the darkroom through a hose and a three-way pipe, communicating an exhaust pipe with the outside of the darkroom through the hose, arranging a wave-absorbing material on the side part of a supporting plate, installing an emitting antenna on the side part of a polarization piece, and fixing an object to be tested on the inner side of a housing through a clamp;
s2, operating the translation assembly, operating the first driving piece under the guiding of the first guiding piece, pushing the first sliding block to slide on the side part of the first guide rail, and further driving the lifting assembly to move to drive the transmitting antenna to horizontally move;
s3, operating the lifting assembly, operating a second driving piece under the guiding of a second guiding piece, pushing a second sliding block to slide on the side part of a second guide rail, and further driving the upright post to move to drive the transmitting antenna to move up and down;
s4, rotating assembly' S operation, the operation through the third driving piece drives the carousel and rotates, and the rotation of carousel drives and holds the subassembly and rotate, adjusts the angle of the piece that awaits measuring to at the in-process of debugging, apply different temperature and humidity to the inboard of intake pipe, can be under different temperatures and different humidity, test the sensitivity of receiving of the piece that awaits measuring.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a high low temperature rapid alternation humid heat test case, includes backup pad (100), translation subassembly (200), lifting unit (300), rotating assembly (400) and holds subassembly (500), its characterized in that: the translation assembly (200) is mounted on the upper portion of the support plate (100), the lifting assembly (300) is mounted on the upper portion of the translation assembly (200), the rotation assembly (400) is mounted on the upper portion of the support plate (100), and the accommodating assembly (500) is mounted on the upper portion of the rotation assembly (400), wherein:
the translation assembly (200) comprises a first guide rail (210), a first sliding block (220), a first driving piece (230) and a first guiding piece (240), wherein the first guide rail (210) is installed at the upper part of the support plate (100), the first sliding block (220) is installed at the inner side of the first guide rail (210) in a sliding manner, the first driving piece (230) is installed at the upper part of the support plate (100), the output end of the first driving piece (230) is in transmission connection with the side part of the first sliding block (220), and the first guiding piece (240) is installed at the side part of the first sliding block (220);
the lifting assembly (300) comprises a base plate (310), a second guide rail (320), a second sliding block (330), a second driving piece (340), a second guide piece (350) and a polarization piece (360), wherein the base plate (310) is installed on the upper portion of the first guide piece (240), the second guide rail (320) is installed on the upper portion of the base plate (310), the second sliding block (330) is installed on the side portion of the second guide rail (320) in a sliding mode, a vertical column (370) is installed on the side portion of the second sliding block (330), the second driving piece (340) is installed on the upper portion of the base plate (310), the output end of the second driving piece (340) is in transmission connection with the side portion of the vertical column (370), and the polarization piece (360) is installed on the upper portion of the vertical column (370);
the rotating assembly (400) comprises a base (410), a third driving piece (420), a rotary disc (430), an upright rod (440) and an air guide pipe (450), wherein the base (410) is installed at the upper part of the supporting plate (100), the third driving piece (420) is installed at the inner side of the base (410), the rotary disc (430) is installed at the output end of the third driving piece (420) through transmission of a gear ring bearing, a transition joint (460) is installed at the upper part of the rotary disc (430), the side part of the transition joint (460) is connected with the air guide pipe (450), an exhaust pipe (470) is installed at the side part of the transition joint (460), the supporting plate (100) is installed at the side part of the rotary disc (430), and the upright rod (440) is installed at the upper part of the supporting plate;
the accommodating assembly (500) comprises a polarization head (510), a housing (520), a rear cover (530), a central shaft (540), a fine adjustment piece (550) and a clamp (560), wherein the polarization head (510) is installed on the upper portion of the vertical rod (440), the rear cover (530) is installed on the side portion of the polarization head (510), a heat insulation plate (570) is installed on the side portion of the rear cover (530), the central shaft (540) is installed on the inner side of the polarization head (510), the central shaft (540) penetrates through the heat insulation plate (570) and is connected with the fine adjustment piece (550), the clamp (560) is installed on the side portion of the fine adjustment piece (550), the housing (520) is hinged to the side portion of the rear cover (530), a first fixing block (531) is installed on the side portion of the rear cover (530), a locking rib (521) is installed on the side portion of the housing (520), a second fixing block (522) is installed on the side portion of the locking, a threaded rod (523) is rotatably installed between the second fixing blocks (522), a contact block (524) is connected to the side portion of the threaded rod (523) in a threaded mode, the side portion of the heat insulation plate (570) is communicated with the air guide pipe (450), and an air inlet pipe (580) is connected to the side portion of the heat insulation plate (570).
2. The high and low temperature rapid alternating humid heat test chamber according to claim 1, characterized in that: the first driving piece (230) comprises two supporting blocks (231), a first forward and reverse rotation motor (232), a first screw rod (233) and a screw rod seat (234), the two supporting blocks (231) are mounted on the upper portion of the supporting plate (100), the first screw rod (233) is rotatably mounted between the two supporting blocks (231), the screw rod seat (234) is mounted on the side portion of the first sliding block (220), the first forward and reverse rotation motor (232) is mounted on the upper portion of the supporting plate (100), the first screw rod (233) is in transmission connection with the first forward and reverse rotation motor (232), and the first screw rod (233) penetrates through the center of the screw rod seat (234) and is in threaded connection with the screw rod seat (234).
3. The high and low temperature rapid alternating humid heat test chamber according to claim 1, characterized in that: the first guide member (240) comprises two plate bodies (241), an L-shaped plate (242), a third guide rail (243) and a third slider (244), wherein the two plate bodies (241) are mounted on the upper portion of the first slider (220), the L-shaped plate (242) is mounted on the side portion of one of the plate bodies (241), the third slider (244) is mounted on the lower portion of the L-shaped plate (242), the third guide rail (243) is mounted on the upper portion of the support plate (100), and the third slider (244) is slidably mounted on the upper portion of the third guide rail (243).
4. The high and low temperature rapid alternating humid heat test chamber according to claim 1, characterized in that: the second driving part (340) comprises a supporting frame (341), a second forward and reverse rotation motor (342), a second screw rod (343), an ear plate (344) and a screw rod sleeve (345), the supporting frame (341) is installed at the upper part of the base plate (310), the second forward and reverse rotation motor (342) is installed at the side part of the supporting frame (341), the second screw rod (343) is installed at the output end of the second forward and reverse rotation motor (342) in a transmission manner, the ear plate (344) is installed at the side part of the upright post (370), the screw rod sleeve (345) is installed at the side part of the ear plate (344), and the second screw rod (343) is in threaded connection with the inner side of the screw rod sleeve (345).
5. The high and low temperature rapid alternating humid heat test chamber according to claim 1, characterized in that: the second guide piece (350) comprises a fourth guide rail (351), a fourth sliding block (352) and a reinforcing plate (353), the fourth guide rail (351) is installed on the side portion of the second guide rail (320), the reinforcing plate (353) is installed on the side portion of the upright post (370), the inner side of the reinforcing plate (353) is in clearance fit with the outer wall of the backing plate (310), the side portion of the reinforcing plate (353) is connected with the fourth sliding block (352), and the fourth sliding block (352) is arranged on the side portion of the fourth guide rail (351) in a sliding mode.
6. The high and low temperature rapid alternating humid heat test chamber according to claim 1, characterized in that: the polarization piece (360) comprises a speed reducing motor (361), a polarization cover (362) and a fixing plate (363), the speed reducing motor (361) is installed on the upper portion of the upright column (370), the output end of the speed reducing motor (361) is installed and connected with the fixing plate (363) in a transmission mode, and the polarization cover (362) is installed on the side portion of the speed reducing motor (361).
7. The high and low temperature rapid alternating humid heat test chamber according to claim 1, characterized in that: the fine tuning member (550) includes a link frame (551), a link rod (552), and a damping rotation shaft (553), the link frame (551) is installed at a side of the center shaft (540), the link rod (552) is installed at a side of the link frame (551), and the damping rotation shaft (553) is installed at a side of the link rod (552).
8. The high and low temperature rapid alternating humid heat test chamber according to claim 7, characterized in that: the clamp (560) comprises a support (561), a rack (562), a limiting block (563), a gear (564) and a clamping block (565), wherein the support (561) is installed at the rotating end of the damping rotating shaft (553), the rack (562) is installed on the side portion of the support (561), the limiting block (563) is installed on the side portion of the rack (562), the gear (564) is installed on the side portion of the support (561) in a rotating mode through a torsion spring, the rack (562) is meshed with the gear (564), and the clamping block (565) is installed on the side portion of the gear (564).
9. A high-low temperature rapid alternating damp-heat test method is characterized in that: the method specifically comprises the following steps:
s1, firstly, placing the test box in a darkroom, connecting an air inlet pipe with a heating device and a humidity supply device arranged outside the darkroom through a hose and a three-way pipe, communicating an exhaust pipe with the outside of the darkroom through the hose, arranging a wave-absorbing material on the side part of a supporting plate, installing an emitting antenna on the side part of a polarization piece, and fixing an object to be tested on the inner side of a housing through a clamp;
s2, operating the translation assembly, operating the first driving piece under the guiding of the first guiding piece, pushing the first sliding block to slide on the side part of the first guide rail, and further driving the lifting assembly to move to drive the transmitting antenna to horizontally move;
s3, operating the lifting assembly, operating a second driving piece under the guiding of a second guiding piece, pushing a second sliding block to slide on the side part of a second guide rail, and further driving the upright post to move to drive the transmitting antenna to move up and down;
s4, rotating assembly' S operation, the operation through the third driving piece drives the carousel and rotates, and the rotation of carousel drives and holds the subassembly and rotate, adjusts the angle of the piece that awaits measuring to at the in-process of debugging, apply different temperature and humidity to the inboard of intake pipe, can be under different temperatures and different humidity, test the sensitivity of receiving of the piece that awaits measuring.
Priority Applications (1)
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|---|---|---|---|
| CN202011090316.6A CN112316992A (en) | 2020-10-13 | 2020-10-13 | High-low temperature rapid alternating damp-heat test box and test method thereof |
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| CN202011090316.6A CN112316992A (en) | 2020-10-13 | 2020-10-13 | High-low temperature rapid alternating damp-heat test box and test method thereof |
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