CN110411500B - Sensor arrangement device and method for calibrating constant temperature and humidity test box - Google Patents
Sensor arrangement device and method for calibrating constant temperature and humidity test box Download PDFInfo
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- CN110411500B CN110411500B CN201910727152.4A CN201910727152A CN110411500B CN 110411500 B CN110411500 B CN 110411500B CN 201910727152 A CN201910727152 A CN 201910727152A CN 110411500 B CN110411500 B CN 110411500B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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Abstract
The invention relates to a sensor arrangement device and a sensor arrangement method for calibrating a constant temperature and humidity test box, wherein the device comprises the following components: the device comprises a frame assembly, a central structure and a connector; the frame assembly comprises at least two layers of frame layers formed by connecting frame pieces, each frame layer comprises at least four frame units, and the frame assembly is used for being placed in a constant temperature and humidity experiment box; the central structure is a cube structure and is arranged in the center of an inner space formed by the frame assembly, and a first cylindrical bulge is arranged on the center of each surface of the central structure and is used for being connected with the frame piece; the connectors are used for connecting at least three frame pieces, and each connector is contacted with the inner wall of the constant temperature and humidity experiment box; the surface of each central structure and each connector is connected to at least one sensor. The arrangement device and the arrangement method not only lighten the labor intensity of workers, but also improve the efficiency and the accuracy of arranging the sensors.
Description
Technical Field
The invention relates to the technical field of temperature and humidity standard box detection and calibration, in particular to a sensor arrangement device and a sensor arrangement method for calibrating a constant temperature and humidity test box.
Background
In the process of detecting the quality of materials, the materials are usually placed in a constant temperature and humidity test box, and the performance of the materials in different environments is detected by setting parameters such as temperature, humidity and the like, for example: heat resistance, cold resistance, dry resistance, and the like. In order to ensure the accuracy of the detection result, a plurality of sensors are required to be used for carrying out periodic calibration on the temperature and the humidity of the constant temperature and humidity test box, and the positions of the plurality of sensors have an important influence on the calibration result in the calibration process.
In the related art, a manual measurement is generally used to determine the position of the sensor. The method comprises the steps that after a worker manually measures the size of a box inner cavity of a constant temperature and humidity test box, the placement position of each sensor in the box inner cavity is determined, and then the position of each sensor is positioned by manually measuring the distance between each sensor and the inner wall of the box, so that the sensors are arranged.
By adopting a manual measurement mode, the labor intensity of workers is high, and the efficiency and the accuracy of setting the sensor are low.
Disclosure of Invention
The invention aims to solve the technical problems of high labor intensity of workers and low efficiency and accuracy of setting a sensor due to the adoption of a manual measurement mode in the related art.
In order to solve the problems, the invention adopts the following technical scheme:
In a first aspect of an embodiment of the present invention, there is provided a sensor arrangement device for calibrating a constant temperature and humidity test chamber, the device comprising: a frame structure and a center structure;
The frame structure comprises two layers of frame layers formed by a plurality of telescopic connecting rods and a plurality of connectors, each frame layer comprises four frame units, the frame structure is used for being placed in an inner cavity of the constant temperature and humidity test box, and each connector is contacted with the inner wall of the constant temperature and humidity test box;
The central structure is arranged at the geometric center of the frame structure, a plurality of first cylindrical protrusions are arranged on the surface of the central structure, and the central structure is connected with the frame structure through the plurality of first cylindrical protrusions;
the plurality of sensors are fixedly arranged on the frame structure and the central structure respectively.
As a further improvement of the invention, the connectors comprise a first type connector, a second type connector and a third type connector;
The first type of connectors comprise three second cylindrical protrusions, three elastic components, three balls and three grooves, the second type of connectors comprise four second cylindrical protrusions, two elastic components, two balls and two grooves, and the third type of connectors comprise five second cylindrical protrusions, one elastic component, one ball and one groove;
The second cylindrical protrusions are arranged on the surface of the connector and used for connecting the connecting rods, and each elastic part is arranged in one groove and connected with one ball;
the ball is used for extruding the elastic component when receiving compressive stress; when the compressive stress is eliminated, the elastic component returns to the original position under the elastic action of the elastic component.
As a further improvement of the invention, the connecting rod comprises a first section middle section and a second section, the first section and the second section are respectively arranged at two sides of the middle section, and the inner diameter of the first section and the inner diameter of the second section are both larger than the outer diameter of the middle section;
The first section is used for moving along the outer wall of the middle section towards the direction of the second section or moving along the outer wall of the middle section towards the direction away from the second section;
the second section is configured to move along an outer wall of the intermediate section in a direction toward the first section or in a direction away from the first section.
As a further development of the invention, the outer wall of the intermediate section is provided with graduations for determining the length of the connecting rod.
As a further development of the invention, the device further comprises a spare connecting rod, the length of which is equal to the length of the first section, for connection with the connecting rod.
As a further development of the invention, the length of the first section and the length of the second section are equal.
As a further development of the invention, the surface of the central structure is also provided with at least one opening, at which the sensor is arranged.
As a further development of the invention, the device further comprises a sensor holder, which is connected to the frame structure, for placing at least one of the sensors, which is arranged on the sensor holder.
In a second aspect of the embodiment of the present invention, there is provided a sensor arrangement method for calibrating a constant temperature and humidity test chamber, the method comprising:
acquiring the length dimension, the width dimension and the height dimension of an inner cavity of a constant temperature and humidity test box to be calibrated;
connecting the first cylindrical protrusions on the surface of the central structure with the connecting rods to form a basic frame;
Wherein the length of the coaxial connecting rods in the base frame is equal, the first dimension of the base frame is equal to the length dimension, the second dimension of the base frame is equal to the width dimension, and the third dimension of the base frame is equal to the height dimension; the first dimension, the second dimension and the third dimension are distances among free ends of three coaxial connecting rods in different directions respectively;
According to the foundation frame, a frame structure is formed through the connector, the frame structure comprises two frame layers, and each frame layer comprises four frame units;
placing the frame structure in an inner cavity of the constant temperature and humidity test box, wherein each connector is contacted with the inner wall of the constant temperature and humidity test box;
and a plurality of sensors are respectively and fixedly arranged on the frame structure and the central structure.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in:
According to the embodiment of the invention, the framework structure which accords with the outline of the inner cavity of the box body of the constant temperature and humidity test box with any size can be obtained through the telescopic connecting rod and the connector, and the platform for arranging the sensor, namely the sensor arrangement device for calibrating the constant temperature and humidity test box is obtained; the central structure is arranged at the geometric center of the frame structure, so that the geometric center of the inner cavity of the box body can be conveniently and quickly determined when the sensor is arranged, and multiple times of measurement are not needed; when the frame structure is assembled, the lengths of the connecting rods on the front side, the rear side, the left side, the right side and the upper side and the lower side of the central structure are respectively and correspondingly equal, so that the central structure can be ensured to be positioned at the geometric center of the frame structure. When the sensor placement position needs to be determined, the device is placed in the box inner cavity of the constant temperature and humidity test box, each connector is in contact with the inner wall of the constant temperature and humidity test box, a plurality of sensors are fixedly arranged on the frame structure and the center structure respectively, labor intensity of workers is relieved, and due to the fact that the frame structure is matched with the inner cavity of the constant temperature and humidity test box, the center structure is located in the geometric center of the frame structure, and efficiency and accuracy of sensor arrangement are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural diagram of a sensor arrangement device for calibrating a constant temperature and humidity test chamber, which is provided by an embodiment of the invention;
FIG. 2 is a schematic structural view of a base frame according to an embodiment of the present invention;
FIG. 3 is a schematic view of a first sensor arrangement provided by an embodiment of the present invention;
FIG. 4 is a schematic diagram of a second sensor arrangement provided by an embodiment of the present invention;
FIG. 5 is a schematic structural view of a central structure according to an embodiment of the present invention;
FIG. 6 is a schematic view of a sensor holder arrangement according to an embodiment of the present invention;
Fig. 7 is a schematic structural diagram of a first type of connector according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a second type connector according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a third type of connector according to an embodiment of the present invention;
FIG. 10 is an enlarged schematic view of portion A of FIG. 1;
FIG. 11 is a cross-sectional view of a first connector according to an embodiment of the present invention;
FIG. 12 is a cross-sectional view of a second type of connector according to an embodiment of the present invention;
FIG. 13 is a schematic view of a connecting rod according to an embodiment of the present invention;
FIG. 14 is a schematic view of a spare connecting rod according to an embodiment of the present invention;
FIG. 15 is a flow chart of a sensor arrangement method for calibrating a constant temperature and humidity test chamber, which is provided by the embodiment of the invention.
Wherein reference numerals in the drawings respectively denote:
1-frame structure, 2-center structure, 101-connecting rod, 102-connecting head,
3-Spare connecting rod, 4-sensor holder, 101-1-first section, 101-2-intermediate section, 101-3-second section,
101-4-Scale, 201-first cylindrical protrusion, 202-opening, 102-1-second cylindrical protrusion,
102-2-Elastic components, 102-3-spheres, 102-4-grooves, M-sensors and a 100-constant temperature and humidity test box.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be clearly and completely described below with reference to the accompanying drawings and specific embodiments.
The invention provides a sensor arrangement device for calibrating a constant temperature and humidity test chamber 100, which is shown in fig. 1. The device comprises: a frame structure 1 and a central structure 2.
The frame structure 1 comprises two layers of frame layers formed by a plurality of telescopic connecting rods 101 and a plurality of connectors 102, each frame layer comprises four frame units, the frame structure 1 is used for being placed in the inner cavity of the constant temperature and humidity test box 100, and each connector 102 is in contact with the inner wall of the constant temperature and humidity test box 100;
the central structure 2 is arranged at the geometric center of the frame structure 1, a plurality of first cylindrical protrusions 201 are arranged on the surface of the central structure 2, and the central structure 2 is connected with the frame structure 1 through the plurality of first cylindrical protrusions 201. The connection manner of the first cylindrical protrusion 201 and the connecting rod 101 may be arbitrary, and the first cylindrical protrusion is illustratively in threaded connection with the connecting rod.
In the process of detecting the quality of a material, the material is generally placed in a constant temperature and humidity test chamber 100, and the performance of the material under different environments is detected by setting parameters such as temperature, humidity, etc., for example: heat resistance, cold resistance, dry resistance, and the like. In order to ensure the accuracy of the detection result, the temperature and humidity of the constant temperature and humidity test chamber 100 need to be periodically calibrated using a plurality of sensors M.
According to the embodiment of the invention, the framework structure 1 conforming to the box body inner cavity of the constant temperature and humidity test box 100 with any size can be obtained through the telescopic connecting rod 101 and the connecting head 102, and the platform for arranging the sensor is obtained, namely, the sensor arrangement device for calibrating the constant temperature and humidity test box 100 can conveniently determine the geometric center of the box body inner cavity when arranging the sensor M by arranging the center structure 2 at the geometric center of the framework structure 1 without measuring for a plurality of times. When the position of the sensor M needs to be determined, the device is only required to be placed in the box inner cavity of the constant temperature and humidity test box 100, each connector 102 is ensured to be in contact with the inner wall of the constant temperature and humidity test box 100, a plurality of sensors M are respectively and fixedly arranged on the frame structure 1 and the center structure 2, so that the labor intensity of workers is reduced, and the inner cavity of the constant temperature and humidity test box 100 is matched with the frame structure 1, the center structure 2 is positioned at the geometric center of the frame structure 1, and the efficiency and the accuracy of arranging the sensors M are also improved.
The shape and size of the central structure 2 may be set according to the needs of the staff, for example: the central structure 2 is a square structure with a length of 5cm (centimeters), a width of 5cm and a height of 5cm, or a rectangular structure with a length of 10cm, a width of 8cm and a height of 6cm of the central structure 2, or the central structure 2 is a spherical structure with a diameter of 5cm, which is not particularly limited in the embodiment of the present invention.
In order to facilitate the application of the device to the body cavities of the constant temperature and humidity test chambers 100 of different sizes, the following modes can be adopted by the staff, but are not limited to:
The length dimension, the width dimension and the height dimension of the inner cavity of the constant temperature and humidity test chamber 100 to be calibrated are measured through a graduated scale, a first cylindrical boss 201 on the surface of the central structure 2 is connected with the connecting rod 101 to form a basic frame, the length of the coaxial connecting rod 101 in the basic frame is ensured to be equal, the first dimension and the length dimension of the basic frame are equal, the second dimension and the width dimension are equal, and the third dimension and the height dimension are equal;
Wherein the first dimension, the second dimension and the third dimension are distances between free ends of the three different directions of the coaxial connecting rod 101, respectively. When the frame structure 1 is assembled, the lengths of the connecting rods 101 on the front side, the rear side, the left side, the right side, the upper side and the lower side of the central structure 2 are respectively and correspondingly equal, so that the central structure 2 can be ensured to be positioned at the geometric center of the frame structure 1.
According to the basic frame, the frame structure 1 is formed by the connecting rods 101 and the connectors 102, the frame structure 1 comprises two layers of frame layers, each frame layer comprises four frame units, the frame structure 1 is placed in the inner cavity of the constant temperature and humidity test box 100, each connector 102 is in contact with the inner wall of the constant temperature and humidity test box 100, and the sensor M is connected with the frame structure 1 and the central structure 2 respectively.
In the embodiment of the present invention, the sensor M is arranged in a manner of 9 points and 15 points, as shown in fig. 3 and fig. 4. Wherein, fig. 3 and fig. 4 show the positions of the upper, middle and lower three layers of the sensor M when the sensor M is arranged in a 9-point manner and a 15-point manner, respectively.
In one possible implementation, when the arrangement mode of the sensor M adopts 9 points, three positions at four positions in the upper layer are provided with temperature sensors, the rest one position is provided with a temperature sensor and a humidity sensor, the middle layer is provided with a temperature sensor and a humidity sensor, the four positions in the lower layer are provided with three positions, and the rest one position is provided with a temperature sensor and a humidity sensor; when the arrangement mode of the sensors adopts 15 points, four positions are arranged at five positions in the upper layer, one position is provided with the temperature sensor and the humidity sensor, three positions are arranged at five positions in the middle layer, two positions are provided with the temperature sensor and the humidity sensor, four positions are arranged at five positions in the lower layer, and one position is provided with the temperature sensor and the humidity sensor.
For the arrangement of the sensor M, as shown in fig. 5, at least one opening 202 may be provided on the surface of the central structure 2, the sensor M being provided at the opening 202, wherein openings 202 of different diameters may be provided on the surface, the sensor being placed at the opening 202 adapted thereto.
Or the device further comprises a sensor support 4, the sensor support 4 is connected with the frame structure 1, the sensor support 4 is used for placing at least one sensor M, the sensor M can be arranged on the sensor support 4, the sensor can be a temperature and humidity sensor, or the sensor comprises a temperature sensor and a humidity sensor.
Wherein the sensor holder 4 can be connected with any connecting rod 101 in the frame structure 1 at any angle, thereby ensuring that the sensor can be arranged at any position, for example: for the case where the sensor M needs to be placed at the point a, the sensor holder 4 may be connected at an angle of 90 degrees to the connecting rod 101 nearest to the point a, as shown in fig. 6.
Because the sensor M needs to transmit information through the signal lines, in order to avoid the mess caused by more electric signal lines when the number of the sensors M is more, the frame structure 1 of the device can be further provided with line cards to fix the signal lines.
In the embodiment of the present invention, for convenience, the device is placed in the inner cavity of the constant temperature and humidity test chamber 100, as shown in fig. 7 to 12, the connectors 102 include a first type connector, a second type connector and a third type connector. The first type of connector includes three second cylindrical protrusions 102-1, three elastic members 102-2, three balls 102-3 and three grooves 102-4, the second type of connector includes four second cylindrical protrusions 102-1, two elastic members 102-2, two balls 102-3 and two grooves 102-4, and the third type of connector includes five second cylindrical protrusions 102-1, one elastic member 102-2, one ball 102-3 and one groove 102-4.
The second cylindrical protrusion 102-1 is disposed on the surface of the connector 102 and is used for connecting the connecting rod 101, and each elastic component 102-2 is disposed in one groove 102-4 and is connected with one ball 102-3; a ball 102-3 for pressing the elastic member 102-2 when receiving a compressive stress; when the compressive stress is relieved, the elastic member 102-2 returns to its original position under the elastic force. The type of the elastic member 102-2 is not particularly limited in the embodiment of the present invention, and the elastic member 102-2 is exemplified as a spring.
According to the device provided by the embodiment of the invention, the spherical ball 102-3 which can move in the groove 102-4 in a telescopic way through the elastic part 102-2 is arranged on the connector 102, so that the device can move in the inner cavity of the constant temperature and humidity test chamber 100 under the rolling action of the spherical ball 102-3, and the moving convenience is improved.
Regarding the manner in which the connecting rod 101 is telescoping, in one possible implementation, as shown in FIG. 13, the connecting rod 101 includes a first section 101-1, a middle section 101-2, and a second section 101-3, the first section 101-1 and the second section 101-3 being disposed on either side of the middle section 101-2, respectively.
Wherein the inner diameter of the first section 101-1 and the inner diameter of the second section 101-3 are both larger than the outer diameter of the middle section 101-2, the first section 101-1 being adapted to move along the outer wall of the middle section 101-2 in the direction of the second section 101-3; the second section 101-3 is adapted to move along the outer wall of the intermediate section 101-2 in the direction of the first section 101-1. The length of the first section and the length of the second section are not particularly limited in the embodiment of the present invention, and the length of the first section and the length of the second section are equal.
When the size of the inner cavity of the constant temperature and humidity test chamber 100 is smaller than the size of the frame structure 1 of the device, the size of the frame structure 1 can be shortened by rotating the first section 101-1 so that the first section 101-1 moves along the outer wall of the middle section 101-2 towards the second section 101-3, or rotating the second section 101-3 so that the second section 101-3 moves along the outer wall of the middle section 101-2 towards the first section 101-1, thereby shortening the size of the frame structure 1 and ensuring that the frame structure 1 can be placed in the inner cavity of the constant temperature and humidity test chamber 100.
Accordingly, when the size of the inner cavity of the constant temperature and humidity test chamber 100 is larger than the size of the frame structure 1 of the device, the size of the frame structure 1 can be prolonged by rotating the first section 101-1 so that the first section 101-1 moves away from the second section 101-3 along the outer wall of the middle section 101-2, or rotating the second section 101-3 so that the second section 101-3 moves away from the first section 101-1 along the outer wall of the middle section 101-2, thereby prolonging the size of the frame structure 1 and ensuring that each connector 102 is in contact with the inner wall of the constant temperature and humidity test chamber 100.
Further, in order to facilitate the operator to adapt the size of the connection rod 101 to the size of the constant temperature and humidity test chamber 100 by operating the first section 101-1 and the second section 101-3 of the connection rod 101, a scale 101-4 is provided on the outer wall of the intermediate section 101-2, the scale 101-4 being used to determine the length of the connection rod 101.
With respect to the marked form of the graduations 101-4, in one possible implementation, when the first section 101-1 and the second section 101-3 are moved to the maximum distance between the first section 101-1 and the second section 101-3, the graduation 101-4 of the intermediate section 101-2 is shown as 0-20, which indicates that the length of the connecting rod 101 is 20cm, and as the first section 101-1 is moved along the outer wall of the intermediate section 101-2 in the direction of the second section 101-3, or the second section 101-3 is moved along the outer wall of the intermediate section 101-2 in the direction of the first section 101-1 to the graduation 101-4 of the intermediate section 101-2 is shown as 20-a, which indicates that the length of the frame is (20-a) cm, where a indicates any value between 0-20.
In one possible implementation, it may also happen that the size of the frame structure 1 formed is still smaller than the size of the inner cavity of the constant temperature and humidity test chamber 100 when the first section 101-1 and the second section 101-3 of all the connecting rods 101 are moved to the maximum distance between the first section 101-1 and the second section 101-3. To avoid the above, as shown in fig. 14, the apparatus further includes a spare connecting rod 3, the spare connecting rod 3 having a length equal to that of the first section 101-1, the spare connecting rod 3 being adapted to be connected to the connecting rod 101 to extend the size of the connecting rod 101, thereby extending the size of the frame structure 1 to ensure that each of the connectors 102 is in contact with the inner wall of the constant temperature and humidity test chamber 100.
The invention provides a sensor arrangement method for calibrating a constant temperature and humidity test chamber 100, which is shown in fig. 15. The method comprises the following steps:
S1501, acquiring the length dimension, the width dimension and the height dimension of the inner cavity of the constant temperature and humidity test chamber 100 to be calibrated.
The length dimension, width dimension and height dimension of the inner cavity of the constant temperature and humidity test chamber 100 to be calibrated can be measured by a scale.
S1502, connecting the first cylindrical protrusions 201 on the surface of the central structure 2 with the connecting rods 101 to form a basic frame;
Wherein the lengths of the coaxial connecting rods 101 in the base frame are equal, the first dimension of the base frame is equal to the length dimension, the second dimension of the base frame is equal to the width dimension, and the third dimension of the base frame is equal to the height dimension; the first dimension, the second dimension and the third dimension are distances between the free ends of the three different directions of the coaxial connecting rod 101, respectively.
S1503, according to the base frame, a frame structure 1 is formed by the connection head 102, the frame structure 1 includes two frame layers, each frame layer including four frame units.
S1504, the frame structure 1 is placed in the inner cavity of the constant temperature and humidity test chamber 100, and each connector 102 is in contact with the inner wall of the constant temperature and humidity test chamber 100.
S1505, a plurality of sensors M are fixed to the frame structure 1 and the center structure 2, respectively.
According to the method provided by the embodiment of the invention, the framework structure 1 conforming to the box body inner cavity of the constant temperature and humidity test box 100 with any size can be obtained through the telescopic connecting rod 101 and the connector 102, and a platform for arranging the sensor, namely, a sensor arrangement device for calibrating the constant temperature and humidity test box 100 is obtained; by arranging the central structure 2 at the geometric center of the frame structure 1, the geometric center of the inner cavity of the box body can be conveniently determined when the sensor M is arranged, and multiple times of measurement are not needed; when the frame structure 1 is assembled, the lengths of the connecting rods on the front side, the rear side, the left side, the right side, the upper side and the lower side of the central structure 2 are respectively and correspondingly equal, so that the central structure 2 can be ensured to be positioned in the geometric center of the frame structure. When the placement position of the sensors M needs to be determined, the device is only required to be placed in the box inner cavity of the constant temperature and humidity test box 100, and each connector 102 is ensured to be in contact with the inner wall of the constant temperature and humidity test box 100, and a plurality of sensors M are respectively and fixedly arranged on the frame structure 1 and the central structure 2. The device not only lightens the labor intensity of workers, but also improves the efficiency and the accuracy of arranging the sensor M because the frame structure 1 is matched with the inner cavity of the constant temperature and humidity test box 100 and the center structure 2 is positioned at the geometric center of the frame structure 1.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. A sensor arrangement for calibration of a constant temperature and humidity test chamber, the arrangement comprising: a frame structure (1) and a central structure (2);
The frame structure (1) comprises two layers of frame layers formed by a plurality of telescopic connecting rods (101) and a plurality of connectors (102), each frame layer comprises four frame units, the frame structure (1) is used for being placed in an inner cavity of the constant temperature and humidity test box (100), and each connector (102) is in contact with the inner wall of the constant temperature and humidity test box (100);
The central structure (2) is arranged at the geometric center of the frame structure (1), a plurality of first cylindrical protrusions (201) are arranged on the surface of the central structure (2), and the central structure (2) is connected with the frame structure (1) through the plurality of first cylindrical protrusions (201);
A plurality of sensors (M) are fixedly arranged on the frame structure (1) and the central structure (2) respectively;
the connectors (102) comprise a first type connector, a second type connector and a third type connector;
The first type connector comprises three second cylindrical protrusions (102-1), three elastic components (102-2), three balls (102-3) and three grooves (102-4), the second type connector comprises four second cylindrical protrusions (102-1), two elastic components (102-2), two balls (102-3) and two grooves (102-4), and the third type connector comprises five second cylindrical protrusions (102-1), one elastic component (102-2), one ball (102-3) and one groove (102-4);
The second cylindrical protrusions (102-1) are arranged on the surface of the connector (102) and used for being connected with the connecting rod (101), and each elastic part (102-2) is arranged in one groove (102-4) and connected with one ball (102-3);
-said ball (102-3) for pressing said elastic member (102-2) when receiving a compressive stress; when the compressive stress is eliminated, the elastic part (102-2) returns to the original position under the action of the elastic force;
The connecting rod (101) comprises a first section (101-1), a middle section (101-2) and a second section (101-3), wherein the first section (101-1) and the second section (101-3) are respectively arranged at two sides of the middle section (101-2), and the inner diameter of the first section (101-1) and the inner diameter of the second section (101-3) are both larger than the outer diameter of the middle section (101-2);
-said first section (101-1) for moving along an outer wall of said intermediate section (101-2) in the direction of the second section (101-3) or along an outer wall of said intermediate section (101-2) in the direction away from the second section (101-3);
the second section (101-3) is configured to move along an outer wall of the intermediate section (101-2) in a direction of the first section (101-1) or to move along an outer wall of the intermediate section (101-2) in a direction away from the first section (101-1).
2. Sensor arrangement for calibration of a constant temperature and humidity test chamber according to claim 1, characterized in that the outer wall of the intermediate section (101-2) is provided with a scale (101-4) for determining the length of the connecting rod (101).
3. The sensor arrangement for calibration of a constant temperature and humidity test chamber according to claim 1, characterized in that the arrangement further comprises a spare connecting rod (3), the length of the spare connecting rod (3) being equal to the length of the first section (101-1), the spare connecting rod (3) being adapted to be connected with the connecting rod (101).
4. Sensor arrangement for calibration of a constant temperature and humidity test chamber according to claim 1, characterized in that the length of the first section (101-1) and the length of the second section (101-3) are equal.
5. The sensor arrangement for calibration of a constant temperature and humidity test chamber according to claim 1, characterized in that at least one opening (202) is further provided on the surface of the central structure, at which opening the sensor (M) is arranged.
6. The sensor arrangement for calibration of a constant temperature and humidity test chamber according to claim 1, characterized in that the arrangement further comprises a sensor holder (4), the sensor holder (4) being connected to the frame structure (1), the sensor holder (4) being adapted to hold at least one of the sensors (M), the sensor (M) being arranged on the sensor holder (4).
7. A method of arranging the sensor for calibration of a constant temperature and humidity test chamber according to any one of claims 1 to 6, comprising:
Acquiring the length dimension, the width dimension and the height dimension of an inner cavity of a constant temperature and humidity test box (100) to be calibrated;
Connecting the first cylindrical protrusions (201) on the surface of the central structure (2) with the connecting rods (101) to form a foundation frame;
Wherein the length of the coaxial connecting rods (101) in the base frame is equal, the first dimension of the base frame is equal to the length dimension, the second dimension of the base frame is equal to the width dimension, and the third dimension of the base frame is equal to the height dimension; the first dimension, the second dimension and the third dimension are distances between free ends of three different-direction coaxial connecting rods (101), respectively;
according to the foundation frame, a frame structure (1) is formed through a connector (102), the frame structure (1) comprises two frame layers, and each frame layer comprises four frame units;
Placing the frame structure (1) in an inner cavity of the constant temperature and humidity test box (100), wherein each connector (102) is in contact with the inner wall of the constant temperature and humidity test box (100);
A plurality of sensors (M) are respectively and fixedly arranged on the frame structure (1) and the central structure (2);
the connectors (102) comprise a first type connector, a second type connector and a third type connector;
The first type connector comprises three second cylindrical protrusions (102-1), three elastic components (102-2), three balls (102-3) and three grooves (102-4), the second type connector comprises four second cylindrical protrusions (102-1), two elastic components (102-2), two balls (102-3) and two grooves (102-4), and the third type connector comprises five second cylindrical protrusions (102-1), one elastic component (102-2), one ball (102-3) and one groove (102-4);
The second cylindrical protrusions (102-1) are arranged on the surface of the connector (102) and used for being connected with the connecting rod (101), and each elastic part (102-2) is arranged in one groove (102-4) and connected with one ball (102-3);
-said ball (102-3) for pressing said elastic member (102-2) when receiving a compressive stress; when the compressive stress is eliminated, the elastic part (102-2) returns to the original position under the action of the elastic force;
The connecting rod (101) comprises a first section (101-1), a middle section (101-2) and a second section (101-3), wherein the first section (101-1) and the second section (101-3) are respectively arranged at two sides of the middle section (101-2), and the inner diameter of the first section (101-1) and the inner diameter of the second section (101-3) are both larger than the outer diameter of the middle section (101-2);
-said first section (101-1) for moving along an outer wall of said intermediate section (101-2) in the direction of the second section (101-3) or along an outer wall of said intermediate section (101-2) in the direction away from the second section (101-3);
the second section (101-3) is configured to move along an outer wall of the intermediate section (101-2) in a direction of the first section (101-1) or to move along an outer wall of the intermediate section (101-2) in a direction away from the first section (101-1).
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