CN212904210U - Spherical compression measuring device for spaced composite fabric compression comfort performance of mattress - Google Patents
Spherical compression measuring device for spaced composite fabric compression comfort performance of mattress Download PDFInfo
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- CN212904210U CN212904210U CN202020754276.XU CN202020754276U CN212904210U CN 212904210 U CN212904210 U CN 212904210U CN 202020754276 U CN202020754276 U CN 202020754276U CN 212904210 U CN212904210 U CN 212904210U
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Abstract
The utility model discloses a spherical compression measuring device of interval compound fabric oppression comfort performance for mattress, including platform mechanism, compressing mechanism, fixture and oppression sensing mechanism, compressing mechanism and fixture all are fixed in on the platform mechanism, oppression sensing mechanism rigid coupling is on compressing mechanism, and compressing mechanism can drive the compression of oppression sensing mechanism and place the interval compound fabric for the mattress on fixture, through the last force sensor who arranges of oppression sensing mechanism, temperature sensor or humidity transducer, obtains each regional compressive resistance of interval compound fabric for the mattress, temperature and humidity. The utility model provides a spherical compression measuring device of interval compound fabric oppression comfort performance for mattress, simple structure, convenient to use can be used for the oppression comfort measurement of interval fabric, lamination fabric, bed clothes, compound fabric, foam or sponge.
Description
Technical Field
The utility model belongs to the technical field of a fabrics precision measurement instrument technique and specifically relates to a mattress is with interval compound fabric oppression comfort performance measuring device realizes the measurement of anisotropic mattress with interval compound fabric local stress, temperature and humidity in spherical compression betterly, is applicable to the spherical pressure head compression measurement of interval fabric, laminated fabric, three-dimensional woven fabric, three-dimensional knitted fabric, non-woven fabric, compound fabric, foam or sponge.
Background
With the expanded application of the spacing composite fabric for the mattress in the home textile industry and the medical field, the functional porous spacing fabric is increasingly favored, and the sheet is gradually used in home textile products such as mattresses, cushions and the like. The spacer fabric is composed of a spacer structure formed by connecting upper and lower surface layer fabrics by spacer yarns, has large pores, and has excellent moisture permeability, air permeability, heat dissipation and compression comfort performance. Thus, the spacer fabric may be laminated or combined with other fabrics or batts depending on the application. However, due to the substantially greater thickness of such composite fabrics than conventional apparel textiles, the previously substantially negligible compressive properties in the thickness direction become of particular importance. Spacer fabrics, which are highly appreciated for medical mattress and cushion products, interact with the human body in a manner that involves analysis of force, temperature and humidity. However, the conventional fabric compression test is basically to directly place the fabric under a compressor for compression performance test (GB/T24442.2-2009, part 2 of the determination of the compression performance of the textile: isokinetic method; GB/T24442.1-2009, part 1 of the determination of the compression performance of the textile: constant method).
Therefore, the existing compression experimental device is difficult to meet the compression comfort measurement of the composite fabric for the mattress, and a special testing mechanism is necessary to be developed aiming at the composite spacing fabric for the mattress, the experimental device can be used for measuring the comprehensive stress state in the compression deformation process of the material, and the testing device for the force, the temperature and the humidity of a local area.
The utility model aims at providing a mattress is with compound fabric oppression travelling comfort's of interval measuring device and measuring method uses and can observe the upper surface contact area power, temperature and humidity of mattress with compound fabric in compression process, draws the parameter through local area power-displacement curve, temperature-displacement curve, humidity-displacement curve, comprehensive power-displacement curve etc. of gained, carries out the research of oppression travelling comfort.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at providing a mattress is with compound fabric oppression comfort performance measuring device of interval uses this utility model can test the upper surface contact area power, temperature and humidity of mattress with compound interval fabric in compression process, draws the parameter through local area power-displacement curve, temperature-displacement curve, humidity-displacement curve, comprehensive power-displacement curve etc. of gained, carries out the research of oppression travelling comfort.
The technical scheme is as follows: the utility model provides a spherical compression measuring device of interval compound fabric oppression comfort performance for mattress, including platform mechanism, compressing mechanism, fixture and oppression sensing mechanism, compressing mechanism and fixture all are fixed in on the platform mechanism, oppression sensing mechanism rigid coupling is on compressing mechanism, compressing mechanism can drive the compression sensing mechanism compression and place the interval compound fabric for the mattress on fixture, through the last force sensor who arranges of oppression sensing mechanism, temperature sensor or humidity transducer, obtain the anti-compression force of each region of interval compound fabric for the mattress, temperature and humidity, accomplish the oppression comfort performance measurement of interval compound fabric for the mattress.
Preferably, the platform mechanism is composed of a bottom plate and a pair of vertical beams, and the pair of vertical beams are fixed on the bottom plate.
As optimization, the compression mechanism comprises a motor, a transmission gear, a screw rod, a nut and a middle beam, wherein the transmission gear drives the screw rod to rotate through the driving of the motor; the nut is fixedly connected with the middle beam, and the nut and the middle beam can vertically move up and down under the rotation of the screw rod.
As optimization, the vertical up-and-down moving speed of the nut and the middle beam can be set, and the range is 12-600 mm/min.
The clamping mechanism is optimized to be composed of an upper pressure plate, a lower bottom plate and fixing needles, wherein cylindrical holes are formed in the upper pressure plate and the lower bottom plate, the cylindrical holes in the upper pressure plate and the cylindrical holes in the lower bottom plate are in one-to-one correspondence, the cylindrical holes are uniformly distributed on the circumference, and the number of the holes can be 4-36; the fixing needles can pass through the cylindrical holes on the upper pressing plate and the lower bottom plate and are used for fixing the spacing composite fabric for the mattress placed on the lower bottom plate.
As optimization, the weight of the upper pressing plate can be selected and ranges from 1 kg to 20 kg; the diameter of the fixing needle can be selected, and the diameter range is 1-5 mm.
As optimization, the compression sensing mechanism consists of a hemisphere, a hole, a fixed rod, a pressure touch sensor, a temperature sensor, a humidity sensor and a force touch sensor; the fixed rod is fixedly connected with the hemispheroid; one end of the force sensor is fixed on the middle beam, and the other end of the force sensor is fixedly connected with the fixed rod; the hemisphere is provided with a hole, and the hole takes the sphere center of the hemisphere as a ray breakpoint and radiates from the sphere center to the surface of the hemisphere; the projection of the holes on the upper surface of the hemisphere is concentric rings, the number of the rings can be set, the range is 6-24, and the number of the holes on each ring can be set, the range is 12-48; the pressure touch sensor, the temperature sensor and the humidity sensor are respectively inserted into the holes and are uniformly arranged at intervals.
As optimization, the diameter of the hemisphere can be set within the range of 15cm-80cm, and the spherical pressure head is made of stainless steel materials, glass fiber materials, aluminum alloy materials or glass balls.
Has the advantages that: the utility model discloses a spherical compression measuring device of comfortable performance of interval compound fabric oppression for mattress has following advantage:
1) the device is a multi-sensor integrated measuring device, and can obtain the results of force, temperature and humidity of local areas of the spaced composite fabric for the mattress; but also can obtain the comprehensive compression resistance of the spacing composite fabric for the mattress;
2) the utility model discloses measuring device, simple structure, convenient to use can be used for the oppression travelling comfort of interval fabric, lamination fabric, bed clothes, compound fabric, foam or sponge to measure.
3) The principle of the spherical compression measuring device for the compression comfort performance of the spaced composite fabric for the mattress of the utility model is that the circular spaced composite fabric for the mattress is placed on the clamping mechanism, and the circumferential edge of the spaced composite fabric for the mattress is fixed by the clamping mechanism, so that the horizontal movement of the spaced composite fabric for the mattress in the compression process is prevented; the compression mechanism can drive the compression sensing mechanism to compress the mattress spacing composite fabric placed on the clamping mechanism, and the compression resistance, the temperature and the humidity of each area of the mattress spacing composite fabric in the compression process are obtained through the force sensor, the temperature sensor or the humidity sensor arranged on the compression sensing mechanism; and (3) carrying out research on compression comfort by extracting parameters such as the obtained local area force-displacement curve, temperature-displacement curve, humidity-displacement curve, comprehensive force-displacement curve and the like.
Drawings
FIG. 1 is a schematic structural diagram of the device of the present invention;
fig. 2 is a schematic view of the compression sensing mechanism of the present invention;
fig. 3 is a schematic view of the sensor disposed on the compression sensing mechanism of the present invention;
fig. 4 is a schematic view of the clamping mechanism of the present invention;
in the figure: 1-platform mechanism 1, 11-bottom plate, 12-vertical beam, 2-compression mechanism, 21-motor, 22-transmission gear, 23-screw rod, 24-nut, 25-middle beam, 3-clamping mechanism, 31-upper pressure plate, 32-lower bottom plate, 33-fixing needle, 4-compression sensing mechanism, 41-hemisphere, 42-hole, 43-fixing rod, 44-force sensor, 45-temperature sensor, 46-humidity sensor, 47-pressure sensor and 5-sample.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, so that those skilled in the art can better understand the advantages and features of the present invention, thereby defining the protection scope of the present invention more clearly. The described embodiments of the present invention are only some embodiments, but not all embodiments, and all other embodiments obtained by the person skilled in the art without creative work belong to the scope protected by the present invention based on the embodiments of the present invention.
As shown in fig. 1-4, a spherical compression measuring device for measuring the compression comfort performance of a spaced composite fabric for a mattress relates to the following specific embodiments:
example 1 compression comfort measurement of spacer fabrics
Cutting the single-layer spacer fabric 5 for the mattress into a circular sample with a circular area of 100cm2(ii) a Placing a sample on a lower bottom plate 32 of a clamping mechanism 3, wherein cylindrical holes on an upper pressure plate 31 and the lower bottom plate 32 are uniformly distributed on the circumference, and the number of the holes is 12; pressing an upper pressure plate 31 weighing 5kg on the sample, and sequentially penetrating fixing pins 33 with the diameter of 2mm through cylindrical through holes in the upper pressure plate 31 and inserting the fixing pins into cylindrical holes in a lower bottom plate 32; starting the motor 21, sequentially driving the transmission gear 22, the screw rod 23 and the nut 24 to rotate, driving the middle beam 25, the force touch sensor 47, the fixing rod 42, the hemisphere 41 with the pressure touch sensor 44, the temperature sensor 45 and the humidity sensor 46 to move downwards at the speed of 12mm/min, and compressing the sample placed in the clamping mechanism 3, wherein the diameter of the hemisphere 41 is 18cm, and the material is non-uniformThe hole 42 on the hemisphere 41 is made of a stainless steel material, the projection of the hole on the upper surface of the hemisphere 41 is concentric rings, the number of the rings is 12, and the number of the holes 42 on each ring is 24; the pressure touch sensor 44, the temperature sensor 45 and the humidity sensor 46 are respectively inserted into the holes 42 and are uniformly arranged at intervals; the whole compression resistance of the hemisphere 41 is obtained through the force sensor 47, the compression displacement of the hemisphere is obtained through the moving speed of the hemisphere 41, and the force, the temperature and the humidity of a local area of the sample are obtained through the pressure touch sensor 44, the temperature sensor 45 and the humidity sensor 46 which are arranged on the hemisphere 41; and obtaining a local area force-displacement curve, a temperature-displacement curve, a humidity-displacement curve, a comprehensive force-displacement curve and the like, and extracting parameters according to the curves to evaluate the compression comfort of the sample.
Example 2 measurement of compression comfort of a multilayer spacer Fabric
Cutting the multi-layer spaced composite fabric 5 for the mattress into a circular sample with a circular area of 200cm2(ii) a Placing a sample on a lower bottom plate 32 of a clamping mechanism 3, wherein cylindrical holes on an upper pressure plate 31 and the lower bottom plate 32 are uniformly distributed on the circumference, and the number of the holes is 36; pressing an upper pressure plate 31 with the weight of 10kg on a sample, and sequentially penetrating fixing pins 33 with the diameter of 1mm through cylindrical through holes in the upper pressure plate 31 and inserting the fixing pins into cylindrical holes in a lower bottom plate 32; the motor 21 is started, the transmission gear 22, the screw rod 23 and the nut 24 are sequentially driven to rotate, the middle beam 25, the force touch sensor 47, the fixing rod 42 and the hemisphere 41 which is provided with the pressure touch sensor 44, the temperature sensor 45 and the humidity sensor 46 are driven to move downwards at the speed of 24mm/min, a sample placed on the clamping mechanism 3 is compressed, wherein the hemisphere 41 is 20cm in diameter and made of an aluminum alloy material, the projection of the hole 42 in the hemisphere 41 on the upper surface of the hemisphere 41 is concentric rings, the number of the rings is 12, and the number of the holes 42 in each ring is 12; the pressure touch sensor 44, the temperature sensor 45 and the humidity sensor 46 are respectively inserted into the holes 42 and are uniformly arranged at intervals; the compressive force of the hemisphere 41 is obtained by the force sensor 47, the compressive displacement of the hemisphere is obtained by the moving speed of the hemisphere 41, and the pressure applied to the hemisphere 41 is usedA touch sensor 44, a temperature sensor 45 and a humidity sensor 46 for obtaining the force, temperature and humidity of the local area of the sample; and obtaining a local area force-displacement curve, a temperature-displacement curve, a humidity-displacement curve, a comprehensive force-displacement curve and the like, and extracting parameters according to the curves to evaluate the compression comfort of the sample.
Example 3 compression comfort measurement of laminated spacer composite fabrics
Cutting the mattress into a circular sample with the circular area of 400cm2 by using the laminating interval compound 5; placing the sample on a lower bottom plate 32 of a clamping mechanism 3, wherein cylindrical holes on an upper pressure plate 31 and the lower bottom plate 32 are uniformly distributed on the circumference, and the number of the holes is 24; pressing an upper pressure plate 31 with the weight of 80kg on a sample, sequentially penetrating fixing pins 33 with the diameter of 3mm through cylindrical through holes in the upper pressure plate 31 and inserting the fixing pins into cylindrical holes in a lower bottom plate 32; the motor 21 is started, the transmission gear 22, the screw rod 23 and the nut 24 are sequentially driven to rotate, the middle beam 25, the force touch sensor 47, the fixing rod 42 and the hemisphere 41 which is provided with the pressure touch sensor 44, the temperature sensor 45 and the humidity sensor 46 are driven to move downwards at the speed of 60mm/min, a sample placed on the clamping mechanism 3 is compressed, wherein the hemisphere 41 is 40cm in diameter and made of glass fiber materials, the projection of the hole 42 in the hemisphere 41 on the upper surface of the hemisphere 41 is concentric rings, the number of the rings is 8, and the number of the holes 42 in each ring is 12; the pressure touch sensor 44, the temperature sensor 45 and the humidity sensor 46 are respectively inserted into the holes 42 and are uniformly arranged at intervals; the whole compression resistance of the hemisphere 41 is obtained through the force sensor 47, the compression displacement of the hemisphere is obtained through the moving speed of the hemisphere 41, and the force, the temperature and the humidity of a local area of the sample are obtained through the pressure touch sensor 44, the temperature sensor 45 and the humidity sensor 46 which are arranged on the hemisphere 41; and obtaining a local area force-displacement curve, a temperature-displacement curve, a humidity-displacement curve, a comprehensive force-displacement curve and the like, and extracting parameters according to the curves to evaluate the compression comfort of the sample.
EXAMPLE 4 measurement of compression comfort of bedding/spacer Fabric composite
Cutting the bedding/spacer fabric composite fabric 5 into a circular sample with the circular area of 400cm 2; placing a sample on a lower bottom plate 32 of a clamping mechanism 3, wherein cylindrical holes on an upper pressure plate 31 and the lower bottom plate 32 are uniformly distributed on the circumference, and the number of the holes is 12; pressing an upper pressure plate 31 with the weight of 1-20kg on the sample, and sequentially penetrating fixing pins 33 with the diameter of 1mm through cylindrical through holes in the upper pressure plate 31 and inserting the fixing pins into cylindrical holes in a lower bottom plate 32; the motor 21 is started, the transmission gear 22, the screw rod 23 and the nut 24 are sequentially driven to rotate, the middle beam 25, the force touch sensor 47, the fixing rod 42 and the hemisphere 41 which is provided with the pressure touch sensor 44, the temperature sensor 45 and the humidity sensor 46 are driven to move downwards at the speed of 24mm/min, a sample placed on the clamping mechanism 3 is compressed, wherein the diameter of the hemisphere 41 is 24cm, the material of the hemisphere is stainless steel material, glass fiber material, aluminum alloy material or glass ball, the projection of the hole 42 in the hemisphere 41 on the upper surface of the hemisphere 41 is concentric rings, the number of the rings is 12, and the number of the holes 42 in each ring is 24; the pressure touch sensor 44, the temperature sensor 45 and the humidity sensor 46 are respectively inserted into the holes 42 and are uniformly arranged at intervals; the whole compression resistance of the hemisphere 41 is obtained through the force sensor 47, the compression displacement of the hemisphere is obtained through the moving speed of the hemisphere 41, and the force, the temperature and the humidity of a local area of the sample are obtained through the pressure touch sensor 44, the temperature sensor 45 and the humidity sensor 46 which are arranged on the hemisphere 41; and obtaining a local area force-displacement curve, a temperature-displacement curve, a humidity-displacement curve, a comprehensive force-displacement curve and the like, and extracting parameters according to the curves to evaluate the compression comfort of the sample.
Example 5 compression comfort measurement of sponge/spacer Fabric composite Fabric
Cutting the sponge/spacer fabric composite fabric 5 for the mattress into a circular sample with the circular area of 400cm 2; placing a sample on a lower bottom plate 32 of a clamping mechanism 3, wherein cylindrical holes on an upper pressure plate 31 and the lower bottom plate 32 are uniformly distributed on the circumference, and the number of the holes is 6; pressing an upper pressure plate 31 with the weight of 10kg on a sample, and sequentially penetrating fixing pins 33 with the diameter of 2mm through cylindrical through holes in the upper pressure plate 31 and inserting the fixing pins into cylindrical holes in a lower bottom plate 32; the motor 21 is started, the transmission gear 22, the screw rod 23 and the nut 24 are sequentially driven to rotate, the middle beam 25, the force touch sensor 47, the fixing rod 42 and the hemisphere 41 which is provided with the pressure touch sensor 44, the temperature sensor 45 and the humidity sensor 46 are driven to move downwards at the speed of 120mm/min, a sample placed on the clamping mechanism 3 is compressed, wherein the diameter of the hemisphere 41 is 40cm, the material of the hemisphere is stainless steel material, glass fiber material, aluminum alloy material or glass ball, the projection of the hole 42 in the hemisphere 41 on the upper surface of the hemisphere 41 is concentric rings, the number of the rings is 12, and the number of the holes 42 in each ring is 36; the pressure touch sensor 44, the temperature sensor 45 and the humidity sensor 46 are respectively inserted into the holes 42 and are uniformly arranged at intervals; the whole compression resistance of the hemisphere 41 is obtained through the force sensor 47, the compression displacement of the hemisphere is obtained through the moving speed of the hemisphere 41, and the force, the temperature and the humidity of a local area of the sample are obtained through the pressure touch sensor 44, the temperature sensor 45 and the humidity sensor 46 which are arranged on the hemisphere 41; and obtaining a local area force-displacement curve, a temperature-displacement curve, a humidity-displacement curve, a comprehensive force-displacement curve and the like, and extracting parameters according to the curves to evaluate the compression comfort of the sample.
Example 6 measurement of compression comfort of foam/spacer composite Fabric
Cutting the foam/spacer fabric composite fabric 5 for the mattress into a circular sample with the circular area of 400cm 2; placing a sample on a lower bottom plate 32 of a clamping mechanism 3, wherein cylindrical holes on an upper pressure plate 31 and the lower bottom plate 32 are uniformly distributed on the circumference, and the number of the holes is 6; pressing an upper pressure plate 31 with the weight of 10kg on a sample, and sequentially penetrating fixing pins 33 with the diameter of 2mm through cylindrical through holes in the upper pressure plate 31 and inserting the fixing pins into cylindrical holes in a lower bottom plate 32; the motor 21 is started, the transmission gear 22, the screw rod 23 and the nut 24 are sequentially driven to rotate, the middle beam 25, the force touch sensor 47, the fixing rod 42 and the hemisphere 41 which is provided with the pressure touch sensor 44, the temperature sensor 45 and the humidity sensor 46 are driven to move downwards at the speed of 120mm/min, a sample placed on the clamping mechanism 3 is compressed, wherein the diameter of the hemisphere 41 is 40cm, the material of the hemisphere is stainless steel material, glass fiber material, aluminum alloy material or glass ball, the projection of the hole 42 in the hemisphere 41 on the upper surface of the hemisphere 41 is concentric rings, the number of the rings is 12, and the number of the holes 42 in each ring is 36; the pressure touch sensor 44, the temperature sensor 45 and the humidity sensor 46 are respectively inserted into the holes 42 and are uniformly arranged at intervals; the whole compression resistance of the hemisphere 41 is obtained through the force sensor 47, the compression displacement of the hemisphere is obtained through the moving speed of the hemisphere 41, and the force, the temperature and the humidity of a local area of the sample are obtained through the pressure touch sensor 44, the temperature sensor 45 and the humidity sensor 46 which are arranged on the hemisphere 41; and obtaining a local area force-displacement curve, a temperature-displacement curve, a humidity-displacement curve, a comprehensive force-displacement curve and the like, and extracting parameters according to the curves to evaluate the compression comfort of the sample.
Example 7 compression comfort measurement of composite Fabric
Cutting composite fabric 5 (which can be sponge, foam, latex, coconut palm fiber felt, hard board, and composite of interval fabric) for mattress into round sample with round area of 200cm2(ii) a Placing a sample on a lower bottom plate 32 of a clamping mechanism 3, wherein cylindrical holes on an upper pressure plate 31 and the lower bottom plate 32 are uniformly distributed on the circumference, and the number of the holes is 36; pressing an upper pressure plate 31 with the weight of 10kg on a sample, and sequentially penetrating fixing pins 33 with the diameter of 1mm through cylindrical through holes in the upper pressure plate 31 and inserting the fixing pins into cylindrical holes in a lower bottom plate 32; the motor 21 is started, the transmission gear 22, the screw rod 23 and the nut 24 are sequentially driven to rotate, the middle beam 25, the force touch sensor 47, the fixing rod 42 and the hemisphere 41 which is provided with the pressure touch sensor 44, the temperature sensor 45 and the humidity sensor 46 are driven to move downwards at the speed of 24mm/min, a sample placed on the clamping mechanism 3 is compressed, wherein the hemisphere 41 is 20cm in diameter and made of an aluminum alloy material, the projection of the hole 42 in the hemisphere 41 on the upper surface of the hemisphere 41 is concentric rings, the number of the rings is 12, and the number of the holes 42 in each ring is 12; the pressure touch sensor 44, the temperature sensor 45 and the humidity sensor 46 are respectively inserted into the holes 42 and are uniformly arranged at intervals; obtaining the overall compressive resistance of the hemisphere 41 by means of the force sensor 47Obtaining the compression displacement of the hemisphere through the moving speed of the hemisphere 41, and obtaining the force, the temperature and the humidity of the local area of the sample through a pressure touch sensor 44, a temperature sensor 45 and a humidity sensor 46 which are arranged on the hemisphere 41; and obtaining a local area force-displacement curve, a temperature-displacement curve, a humidity-displacement curve, a comprehensive force-displacement curve and the like, and extracting parameters according to the curves to evaluate the compression comfort of the sample.
Claims (8)
1. The utility model provides a spherical compression measuring device of comfortable performance is oppressed with compound fabric in interval for mattress which characterized in that: including platform mechanism (1), compressing mechanism (2), fixture (3) and oppression perception mechanism (4), compressing mechanism (2) and fixture (3) all are fixed in on platform mechanism (1), oppression perception mechanism (4) rigid coupling is on compressing mechanism (2), compressing mechanism (2) can drive oppression perception mechanism (4) compression and place interval composite fabric (5) for the mattress on fixture (3), through the force sensor who arranges on oppression perception mechanism (4), temperature sensor or humidity transducer, obtain the anti-compressive force in each region of interval composite fabric (5) for the mattress, temperature and humidity, accomplish the oppression comfort performance measurement of interval composite fabric (5) for the mattress.
2. A spaced composite fabric compression comfort spherical compression measurement device for a mattress according to claim 1, wherein: the platform mechanism (1) is composed of a bottom plate (11) and a pair of vertical beams (12); a pair of vertical beams (12) is fixed on the bottom plate (11).
3. A spaced composite fabric compression comfort spherical compression measurement device for a mattress according to claim 1, wherein: the compression mechanism (2) comprises a motor (21), a transmission gear (22), a screw rod (23), a nut (24) and a middle beam (25); the transmission gear (22) drives the screw rod (23) to rotate through the driving of the motor (21); the nut (24) is fixedly connected with the middle beam (25), and the nut (24) and the middle beam (25) can vertically move up and down under the rotation of the screw rod (23).
4. A spaced composite fabric compression comfort spherical compression measurement device for a mattress according to claim 3, wherein: the vertical up-and-down moving speed of the nut (24) and the middle beam (25) can be set, and the range is 12-600 mm/min.
5. A spaced composite fabric compression comfort spherical compression measurement device for a mattress according to claim 1, wherein: the clamping mechanism (3) is composed of an upper pressure plate (31), a lower bottom plate (32) and a fixing needle (33); the upper pressure plate (31) and the lower bottom plate (32) are provided with cylindrical holes, the cylindrical holes on the upper pressure plate (31) and the lower bottom plate (32) are in one-to-one correspondence, the cylindrical holes are uniformly distributed on the circumference, and the number of the holes is 4-36; the fixing needles (33) can pass through the cylindrical holes on the upper pressure plate (31) and the lower bottom plate (32) and are used for fixing the spacing composite fabric (5) for the mattress placed on the lower bottom plate (32).
6. A spaced composite fabric compression comfort spherical compression measurement device for a mattress according to claim 5, wherein: the weight of the upper pressing plate (31) can be selected and ranges from 1 kg to 20 kg; the diameter of the fixing needle (33) can be selected, and the diameter range is 1-5 mm.
7. A spaced composite fabric compression comfort spherical compression measurement device for a mattress according to claim 1, wherein: the pressing sensing mechanism (4) consists of a hemispheroid (41), a hole (42), a fixing rod (43), a pressure touch sensor (44), a temperature sensor (45), a humidity sensor (46) and a force touch sensor (47); the fixing rod (43) is fixedly connected with the hemispheroid (41); one end of the pressure touch sensor (44) is fixed on the middle beam (25), and the other end is fixedly connected with the fixed rod (43); a hole (42) is formed in the hemisphere (41), and the hole (42) is radiated to the surface of the hemisphere (41) from the center of the hemisphere (41) by taking the center of the hemisphere as a ray breakpoint; the projection of the holes (42) on the upper surface of the hemisphere (41) is concentric rings, the number of the rings can be set, the range is 6-24, and the number of the holes (42) on each ring can be set, the range is 12-48; the pressure touch sensor (44), the temperature sensor (45) and the humidity sensor (46) are respectively inserted into the holes (42) and are uniformly arranged at intervals.
8. A spaced composite fabric compression comfort spherical compression measurement device for a mattress according to claim 7, wherein: the diameter of the hemispheroid (41) can be set within the range of 15cm-80cm, and the spherical pressure head is made of stainless steel materials, glass fiber materials, aluminum alloy materials or glass balls.
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