Multi-sensor arrangement device for temperature and humidity detection calibration of constant temperature and humidity box
Technical field:
the invention belongs to the technical field of temperature and humidity standard box detection and calibration, and particularly relates to a multi-sensor arrangement device for temperature and humidity detection and calibration of a constant temperature and humidity box.
The background technology is as follows:
the constant temperature and humidity test box is also called a constant temperature and humidity test machine, a constant temperature and humidity test box, a programmable damp and heat alternating test box, a constant temperature machine or a constant temperature and humidity test box, and is used for detecting the performance of materials under various environments and testing the heat resistance, cold resistance, dry resistance and humidity resistance of various materials. The method is suitable for detecting the quality of products such as electronics, electrical appliances, mobile phones, communication, instruments, vehicles, plastic products, metals, foods, chemistry, building materials, medical treatment, aerospace and the like. The device can generate a constant temperature and humidity environment meeting the requirements in an effective working area according to the set values of parameters such as temperature, humidity and the like. In order to ensure that the constant temperature and humidity box generates a constant and uniform temperature and humidity environment in the working process, the constant temperature and humidity box needs to be calibrated regularly. The uniformity, fluctuation and change rate of temperature and humidity are the main technical indexes for measuring the constant temperature and humidity box.
When the calibration is carried out on the constant temperature and humidity box, a plurality of temperature sensors and humidity sensors are required to be arranged in the constant temperature and humidity box, the temperature sensors and the humidity sensors are arranged in a horizontal layered point distribution mode, and the point distribution mode can be divided into 9 points, 15 points and the like according to the height of an effective working area of the constant temperature and humidity box and the volume of the constant temperature and humidity box. At present, when calibrating a constant temperature and humidity box, the arrangement of each point and the fixation of a temperature sensor and a humidity sensor at each point are difficult problems for a person skilled in the art, and often require repeated operation of the person skilled in the art.
The invention comprises the following steps:
in summary, in order to overcome the defects of the prior art, the invention provides a multi-sensor arrangement device for temperature and humidity detection calibration of a constant temperature and humidity box, which is designed to be capable of adjusting the size according to the requirement of the constant temperature and humidity box, arranging a plurality of layers of sensors in a multi-point manner in the constant temperature and humidity box at one time, is suitable for the constant temperature and humidity box with the length far greater than the height, can realize the rapid arrangement of the sensors in the calibration of the constant temperature and humidity box, and particularly can effectively improve the calibration efficiency, reduce the labor intensity and ensure the accurate calibration result.
In order to solve the technical problems, the technical scheme of the invention is realized as follows:
a multi-sensor arrangement device for temperature and humidity detection calibration of a constant temperature and humidity box, wherein: including base, stand, crossbeam, supporting seat, cantilever, extension arm and sensor support, the base on be provided with the connecting seat, connecting seat and stand lower extreme threaded connection, the upper end of stand be connected with the crossbeam through the cassette, crossbeam and stand structure the same and mutually perpendicular arrange, the stand connect gradually by a plurality of nozzle stubs and form, the nozzle stub lower extreme set up the external screw thread, the nozzle stub upper end sets up the internal screw thread, the crossbeam on wear to be equipped with the supporting seat, the supporting seat can follow the crossbeam and slide about to through jackscrew and crossbeam fastening connection, the supporting seat on be provided with a plurality of pivots, the one end suit of cantilever in the pivot, and the cantilever can rotate relative to through jackscrew and pivot fastening connection, the cantilever be scalable cantilever, the other end of cantilever is articulated with the one end of extension arm, the one end of the other end connecting block of extension arm articulates there is the sensor support, the sensor support on be provided with the mounting hole that is used for installing temperature sensor and humidity transducer, the clamping seat on the crossbeam, the supporting seat on the supporting seat be provided with a plurality of pivots, the supporting seat and the gland through the half-pipe profile is connected with the gland under the connecting pipe, the half-pipe is provided with the half-section through the gland.
The technical scheme of the invention can also be realized as follows: the base lower extreme be provided with universal gyro wheel, the base on be provided with the bracing piece of liftable.
The technical scheme of the invention can also be realized as follows: the cantilever include inner arm and outer arm, the inner arm wears to adorn in the outer arm, and slides relative outer arm, the cross-sectional shape of outer arm be lower extreme open-ended square frame structure, be provided with the cantilever spout on the inner wall of its both sides board, the one end lower part of outer arm be provided with the sleeve pipe that is used for the cartridge pivot usefulness, the sleeve pipe on be provided with the jackscrew, the other end of outer arm be provided with the jackscrew that is used for fixed inner arm usefulness, the cross-sectional shape of inner arm be lower extreme open-ended square frame structure, be provided with the cantilever slider on the outer wall of its both sides board, cantilever slider and the cantilever spout in the outer arm mutually support, one end of inner arm wear to adorn in the outer arm, its other end upper portion is provided with the articulated seat of usefulness with the extension arm.
The technical scheme of the invention can also be realized as follows: the lower end opening of the outer arm and the lower end opening of the inner arm are respectively provided with a clamping plate, the clamping plates are connected with the outer arm or the inner arm in a clamping manner, and the clamping plates are provided with line cards.
The technical scheme of the invention can also be realized as follows: the extension arm include interior extension arm and extension arm, the cross sectional shape of extension arm be lower extreme open-ended square frame structure, be provided with on the inner wall of its both sides board and extend the spout, the one end of extension arm be provided with the articulated piece of usefulness with the interior arm of cantilever, the other end of extension arm be provided with the jackscrew, the cross sectional shape of interior extension arm be lower extreme open-ended square frame structure, be provided with on the outer wall of its both sides board and extend the slider, extend the slider and extend the spout in the extension arm and mutually support, the other end of interior extension arm be provided with the articulated seat that is used for articulated connecting block.
The technical scheme of the invention can also be realized as follows: the lower end opening of the extension arm and the lower end opening of the inner extension arm are respectively provided with a clamping plate, the clamping plates are connected with the inner extension arm or the extension arm in a clamping manner, and the clamping plates are provided with line cards.
The technical scheme of the invention can also be realized as follows: five rotating shafts are arranged on the supporting seat, each rotating shaft is connected with a cantilever, and the four rotating shafts are uniformly arranged in the center of the supporting seat.
The technical scheme of the invention can also be realized as follows: at least one supporting seat is arranged on the cross beam.
The technical scheme of the invention can also be realized as follows: at least one upright post is arranged below the cross beam, and each upright post corresponds to one base.
The technical scheme of the invention can also be realized as follows: the cross beam on be provided with the telescopic rule, the telescopic rule include chi cover, outer chi pipe, interior chi pipe and slide rule, the chi cover be cavity tubular structure, chi cover suit is on the cross beam and through jackscrew and cross beam fastening connection, the chi cover on be provided with outer chi pipe, outer chi pipe and chi cover arrange perpendicularly, outer chi intraductal wears to be equipped with interior chi pipe, interior chi pipe relative outer chi pipe flexible, outer chi pipe and interior chi intraductal all be provided with the scale mark, 0 point of scale mark is located the outer end of interior chi pipe, interior chi pipe on the cover be equipped with the sliding sleeve, the cross sectional shape of sliding sleeve be interior circular and square structure, its hole cover is on interior chi pipe, the sliding sleeve can follow interior chi pipe and slide, and can rotate relatively interior chi pipe to the sliding sleeve passes through jackscrew and interior chi pipe locking, the sliding sleeve on be provided with the slide rule, slide rule and interior chi intraductal arrange perpendicularly, the slide rule be the slide rule, but slide rule be the slide rule, the slide rule is provided with the slide mark on the slide rule, 0 point of slide rule is located the slide rule.
The beneficial effects of the invention are as follows:
1. the invention designs the sensor which can be adjusted in size according to the requirement of the constant temperature and humidity box, can arrange the sensors which are arranged in multiple layers at multiple points in the constant temperature and humidity box at one time, is suitable for the constant temperature and humidity box with the length far longer than the height, can realize the rapid arrangement of the sensors when calibrating the constant temperature and humidity box, and particularly can effectively improve the calibration efficiency, reduce the labor intensity and ensure the accurate calibration result.
2. The stand column is formed by sequentially connecting a plurality of short pipes, the lower end of each short pipe is provided with external threads, the upper end of each short pipe is provided with connecting internal threads, and the number of the short pipes can be adjusted according to the heights of the constant temperature and humidity boxes to be calibrated, so that the stand column is suitable for the calibration detection of the constant temperature and humidity boxes with different heights. The cross beam and the upright post are the same in structure and are formed by sequentially connecting a plurality of short pipes, the number of the short pipes can be adjusted according to the length of the constant temperature and humidity box to be calibrated, so that the cross beam is suitable for the calibration detection of the constant temperature and humidity box with different lengths, the cantilever is a telescopic cantilever, the extension arm is a telescopic extension arm, and the lengths of the cantilever and the extension arm can be adjusted according to the length and the width of the constant temperature and humidity box when the cross beam is used, and therefore the cross beam is suitable for the calibration detection of the constant temperature and humidity box with different lengths and widths, and has strong universality and wide application range.
3. The clamping plates are arranged at the lower parts of the cantilever and the extension arm, the clamping plates are provided with the line clamps, and connecting lines of the sensor can penetrate through the cantilever and the extension arm and are clamped by the line clamps, so that the wiring of the sensor is facilitated, and the confusion of a calibration site is avoided.
4. The cross beam is provided with the supporting seats in a penetrating manner, the supporting seats can slide left and right along the cross beam, and the number of the supporting seats is at least one, so that in actual use, the supporting seats can be arranged on the cross beam according to the requirement of point distribution layering of detection points of the constant temperature and humidity box, and the positions of the supporting seats can be adjusted according to the point distribution condition, thereby being convenient and quick to distribute points.
5. The cantilever can rotate relative to the rotating shaft on the supporting seat, the cantilever and the extension arm are hinged to rotate, the connecting plate and the extension arm are hinged to rotate, and the sensor bracket and the connecting plate are hinged to each other, so that the angle adjustment of the sensor after the sensor is installed is realized.
6. The telescopic ruler is arranged on the cross beam, is sleeved on the cross beam and is fixedly connected with the cross beam through the jackscrew, so that the telescopic ruler can rotate relative to the cross beam, namely slide, a sliding sleeve capable of sliding and rotating relative to the inner ruler pipe is arranged on the inner ruler pipe of the telescopic ruler, a telescopic sliding ruler is arranged on the sliding sleeve, and the positions of all detection points can be conveniently determined through the telescopic of the sliding ruler and the telescopic of the inner ruler pipe, and the operation and the accurate positioning of the sensor bracket are convenient.
7. The invention has simple structure, convenient use and low cost, and can realize the multi-point quick arrangement of the sensors during the detection and calibration of the constant temperature and humidity box, thereby saving the point distribution time, improving the calibration efficiency, reducing the labor intensity of the calibration personnel and ensuring the accurate calibration result.
Description of the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of the structure of the column and the base of the present invention;
FIG. 4 is an enlarged schematic view of portion A of FIG. 3 in accordance with the present invention;
FIG. 5 is a schematic view of the structure of the cantilever of the present invention;
FIG. 6 is a schematic cross-sectional view of B-B of FIG. 5 in accordance with the present invention;
FIG. 7 is a schematic view of the structure of an extension arm of the present invention;
FIG. 8 is a schematic cross-sectional view of C-C of FIG. 7 in accordance with the present invention;
FIG. 9 is a schematic diagram of a card holder according to the present invention;
FIG. 10 is a schematic view of the structure of the telescopic ruler of the invention;
FIG. 11 is a schematic top view of FIG. 10 in accordance with the present invention;
FIG. 12 is a schematic diagram of a constant temperature and humidity tank calibration sensor layout.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10 and fig. 11, a multi-sensor arrangement device for temperature and humidity detection calibration of a constant temperature and humidity box comprises a base 1, a stand column 2, a cross beam 14, a supporting seat 3, a cantilever 4, an extension arm 5 and a sensor bracket 7, wherein the lower end of the base 1 is provided with a universal roller 11, the base 1 is provided with a liftable supporting rod 12, the base 1 is provided with a connecting seat 13, the connecting seat 13 is in threaded connection with the lower end of the stand column 2, the upper end of the stand column 2 is connected with a cross beam 14 through a clamping seat 15, the cross beam 14 and the stand column 2 are identical in structure and are arranged vertically to each other, two stand columns 2 are arranged below the cross beam 14, each stand column 2 corresponds to one base 1, and the two bases 1 and the two stand columns 2 support the cross beam 14. The stand 2 form by connecting gradually a plurality of nozzle stubs 21, nozzle stub 21 lower extreme set up the external screw thread, nozzle stub 21 upper end sets up the internal screw thread, crossbeam 14 on wear to be equipped with three supporting seat 3, supporting seat 3 can follow crossbeam 14 side-to-side sliding to through jackscrew and crossbeam 14 fastening connection, supporting seat 3 on be provided with a plurality of pivots 9, cantilever 4's one end suit in pivot 9, and cantilever 4 can rotate relative pivot 9 to through jackscrew and pivot 9 fastening connection, cantilever 4 be scalable cantilever 4, cantilever 4's the other end is articulated with extension arm 5's one end, extension arm 5 is scalable extension arm 5, extension arm 5's the other end connecting block 6's the other end articulates there is sensor support 7, sensor support 7 on be provided with the mounting hole 8 that is used for installing temperature sensor and humidity transducer, clamping seat 15 include down 151, support half-pipe 152 and gland 153, lower 151 upper end be provided with support half-pipe 152, the shape be the gland 153 and be the outer cross-section of support half-pipe 151 through the gland 153, the outer cross-section of support half-pipe 153 is provided with the gland 153 at the outer screw thread of the connecting pipe 2 through the gland 153.
The cantilever 4 comprises an inner arm 41 and an outer arm 42, wherein the inner arm 41 is arranged in the outer arm 42 in a penetrating manner and slides relative to the outer arm 42, the cross section of the outer arm 42 is of a square structure with an opening at the lower end, cantilever sliding grooves 43 are formed in the inner walls of two side plates of the outer arm 42, a sleeve 44 for inserting the rotating shaft 9 is arranged at the lower part of one end of the outer arm 42, jackscrews are arranged on the sleeve 44, jackscrews for fixing the inner arm 41 are arranged at the other end of the outer arm 42, the cross section of the inner arm 41 is of a square structure with an opening at the lower end, cantilever sliding blocks 45 are arranged on the outer walls of two side plates of the inner arm 41, the cantilever sliding blocks 45 are matched with the cantilever sliding grooves 43 in the outer arm 42, one end of the inner arm 41 is arranged in the outer arm 42 in a penetrating manner, and a hinging seat 46 for hinging the other end of the inner arm 41 with the extension arm 5 is arranged at the upper part of the other end of the inner arm. The lower end opening of the outer arm 42 and the lower end opening of the inner arm 41 are respectively provided with a clamping plate 47, the clamping plates 47 are connected with the outer arm 42 or the inner arm 41 in a clamping way, and the clamping plates 47 are provided with line cards 48.
The extension arm 5 comprises an inner extension arm 51 and an outer extension arm 52, the cross section of the outer extension arm 52 is of a square frame structure with an opening at the lower end, extension sliding grooves 54 are formed in the inner walls of two side plates of the outer extension arm 52, a hinge block 53 for hinging the inner arm 41 of the cantilever 4 is arranged at one end of the outer extension arm 52, a jackscrew is arranged at the other end of the outer extension arm 52, the cross section of the inner extension arm 51 is of a square frame structure with an opening at the lower end, extension sliding blocks 55 are arranged on the outer walls of two side plates of the outer extension arm 52, the extension sliding blocks 55 are matched with the extension sliding grooves 54 in the outer extension arm 52, and a hinge seat 46 for hinging the connecting block 6 is arranged at the other end of the inner extension arm 51. The lower end opening of the extension arm 52 and the lower end opening of the inner extension arm 51 are respectively provided with a clamping plate 47, the clamping plates 47 are clamped and connected with the inner extension arm 51 or the extension arm 52, and the clamping plates 47 are provided with a line clamp 48.
The cross beam 14 on be provided with telescopic ruler 16, telescopic ruler 16 include chi cover 161, outer chi pipe 162, interior chi pipe 163 and slide bar 165, chi cover 161 be hollow tubular structure, chi cover 161 suit on crossbeam 14 and through jackscrew and crossbeam 14 fastening connection, chi cover 161 on be provided with outer chi pipe 162, outer chi pipe 162 and chi cover 161 perpendicular arrangement, wear to be equipped with interior chi pipe 163 in the outer chi pipe 162, interior chi pipe 163 relative outer chi pipe 162 flexible, outer chi pipe 162 and interior chi pipe outer 163 all be provided with the scale mark, the 0 point of scale mark is located the outermost end of interior chi pipe 163, interior chi pipe 163 on the cover be equipped with sliding sleeve 164, sliding sleeve 164's cross-section shape be interior circular outside square structure, its hole suit is on interior chi pipe 163, sliding sleeve 164 can slide along interior chi pipe 163, and can rotate relative interior chi pipe 163 to sliding sleeve 164 passes through jackscrew and interior chi pipe 163, sliding sleeve 163 on be provided with the scale mark, 165 on the sliding sleeve 163 be provided with the scale mark, 165 is arranged in the slide bar 165, the slide bar 165 is the slide bar that is perpendicular to the slide bar is arranged on the slide bar 165.
In this embodiment, the volume of the constant temperature and humidity box is less than 2 cubic meters, 9 test points are arranged as an example, the 9 test points are arranged along the length direction of the constant temperature and humidity box, four test points are arranged near the opening of the constant temperature and humidity box, one test point is arranged in the middle of the constant temperature and humidity box, four test points are arranged near the bottom of the box, the test points at the opening and the bottom of the box are positioned at four corners, and the arrangement diagram of the 9 test points is shown in fig. 12.
When the device is used, the number of short pipes 21 forming the stand column 2 is set according to the height of a constant temperature and humidity box to be detected, the short pipes 21 are connected vertically end to end and then connected with the base 1 to form the base 1 and the stand column 2 of the device, then the lower connecting pipe 151 of the clamping seat 15 is in threaded fastening connection with the upper end of the stand column 2, then the plurality of short pipes 21 are horizontally connected end to form the cross beam 14, three supporting seats 3 are sequentially arranged on the cross beam 14 in a penetrating manner, then the pressing cover 153 of the clamping seat 15 is opened, the cross beam 14 with the supporting seats 3 is placed in the supporting half pipe 152, and the pressing cover 153 is in threaded connection with the supporting half pipe 152 to press the cross beam 14. And moving the supporting seat 3, sliding the supporting seat 3 along the cross beam 14, adjusting the position of the supporting seat 3, and fastening and connecting the supporting seat 3 and the cross beam 14 through jackscrews after the adjustment is finished. Then, after the cantilever 4 is connected with the rotating shaft 9 on the supporting seat 3, the inner arm 41 of the cantilever 4 is pulled, the inner arm 41 slides relative to the outer arm 42, the adjustment of the length of the cantilever 4 is realized, the locking is performed after the adjustment is finished, the inner extension arm 51 is pulled, the inner extension arm 51 slides relative to the outer extension arm 52, the length of the extension arm 5 is adjusted, the locking is performed after the adjustment is finished, the connecting block 6 and the sensor bracket 7 are rotated, the angle of the sensor bracket 7 is adjusted, the locking is performed after the adjustment is finished, the temperature sensor and the humidity sensor are connected with the sensor bracket 7, and the lead wire clamp 48 of the sensor is inserted into the line clamp 48 of the clamping plate 47.
Lifting the support rod 12 on the base 1, pushing the invention into the constant temperature and humidity box to be detected, and detecting and calibrating the constant temperature and humidity box. The arrangement of the invention realizes the arrangement of a plurality of sensors for detecting calibration points of the constant temperature and humidity box.
In this embodiment, since one test point is disposed at the middle position of the constant temperature and humidity box, only one sensor is required to be disposed on one sensor bracket 7 of the three support seats 3 located at the middle position.
In the actual use process, when the volume of the constant temperature and humidity box is larger than 2 cubic meters, 15 temperature test points are required to be set, at the moment, when the constant temperature and humidity box is calibrated and detected, three supporting seats 3 are arranged on the cross beam 14, five cantilevers 4 on each supporting seat 3 participate in working, namely, each sensor bracket 7 is provided with a sensor, and one cantilever 4 in the five cantilevers 4 is folded back towards the cross beam 14.
It should be noted that the above-mentioned embodiments illustrate rather than limit the technical solution of the present invention, and that those skilled in the art may substitute equivalents or make other modifications according to the prior art without departing from the spirit and scope of the technical solution of the present invention, and are included in the scope of the claims.