CN104062421B - A kind of clothing comfort level measures system - Google Patents

Abstract

The invention discloses a clothing comfort measurement system. The measurement system includes a signal acquisition unit for collecting somatosensory signals between clothing and a human body; a database module for storing the somatosensory signals collected by the signal collection unit; signal processing and analysis The unit is used to extract the somatosensory signal from the database for processing and analysis, and obtain clothing pressure value and comfort information. The invention further discloses a portable clothing comfort measurement device comprising the clothing comfort measurement system. Compared with the prior art, the present invention has small volume, low power, and reduced measurement error, and can be conveniently integrated into clothing for short-term and long-term multi-point measurement of pressure, and realizes the analysis by using the collected human somatosensory signal, which is objective The evaluation of clothing comfort.

Description

A clothing comfort measurement system

technical field

The invention relates to a measuring system. More specifically, it relates to a clothing comfort measurement system.

Background technique

The comfort of clothing is an important indicator of clothing. For tight-fitting clothing, the comfort of clothing directly affects the normal life of the wearer. In recent years, the use of virtual instruments to measure clothing pressure has become a research hotspot. At home and abroad, a voltage signal acquisition module or a combination of a high-precision multimeter and a computer is usually used, and the data acquisition and analysis software is developed using development tools such as LabVIEW or VC. And it is inconvenient to directly measure the clothing pressure. In the prior art, Germany's pliance-xsystem measurement system has been applied in fields such as biomedicine, ergonomics, biomechanics, etc., but the size of the measuring head of this system is greatly affected, the authenticity of the data is greatly affected, and the price is expensive, which is not suitable for people's daily life. Used in daily life; the flat air bag pressure measurement system developed by Japan's AMI company is simple to operate, but the accuracy is easily affected by the operator and the human body. It is very difficult to detect dynamic clothing pressure and parts with a small radius of curvature of the human body.

Therefore, it is necessary to provide a clothing comfort measurement system, which is convenient for short-term or long-term measurement of multiple somatosensory signals between clothing and human body in people's daily life, so as to obtain clothing comfort more accurately.

Contents of the invention

The technical problem to be solved by the present invention is to provide a clothing comfort measurement system to solve the problem that the devices in the prior art are not portable. In order to solve the above problems, the present invention provides a clothing comfort measurement system, which includes

The signal collection unit is used to collect the somatosensory signal between the clothing and the human body;

The database module is used to store the somatosensory signals collected by the signal acquisition unit;

The signal processing and analysis unit is used to extract somatosensory signals from the database for processing, judgment and analysis, and to obtain clothing pressure values and comfort information.

Preferably, the signal acquisition unit includes

The pressure collection module is used to collect the pressure between the clothing and the human body,

ECG signal collection module, used to collect biosurface electrical information of ECG, and

The humidity collection module is used to collect the humidity between the clothing and the human body.

Preferably, the measurement system further includes a signal conversion unit for preprocessing the pressure signal, and the signal conversion unit includes

The signal conversion module is used to convert the collected clothing pressure signal into an analog voltage signal;

The analog-to-digital conversion module is used for performing analog-to-digital conversion on the analog voltage signal.

Preferably, the signal processing and analysis unit includes

The pressure signal processing module is used to obtain the clothing pressure signal from the database, and process to obtain the corresponding pressure value information;

The ECG signal processing module is used to obtain the biological surface electrical signal from the database, and process the corresponding ECG value information;

The humidity signal processing module is used to obtain the humidity signal between the clothing and the body surface from the database, and process to obtain the corresponding humidity value information;

The comprehensive data analysis module is used to comprehensively analyze and judge the processed somatosensory data to obtain clothing comfort information.

Preferably, the comfort level is divided into 5 levels: severe discomfort, moderate discomfort, moderate, comfortable and loose;

Among them, pressure influence: loose is 0Pa ~ 200Pa, comfortable is 200Pa ~ 1000Pa, moderate is 1000Pa ~ 2200Pa, more uncomfortable is 2200Pa ~ 3000Pa, severe discomfort is: above 3000Pa;

Humidity effect: In an environment of 20 degrees Celsius, the comfortable humidity of the human body is 0% to 20% RH dry, 20% to 45% RH is relatively dry, 45% to 65% RH is comfortable, and 65% to 80% RH is relatively dry. Humid, 80% ~ 100% RH is humid;

The impact of static heart rate: the human body's normal heart rate deviation of plus or minus 0% to 5% is comfortable, the normal heart rate deviation of 5% to 10% is relatively uncomfortable; the normal heart rate deviation greater than 10% is extremely uncomfortable.

Preferably, the pressure acquisition module adopts a flexible film pressure sensor; the electrode acquisition module adopts an electrode sensor; and the humidity acquisition module adopts a humidity sensor.

Preferably, the signal conversion unit further includes an amplification and filtering module connected between the signal conversion module and the analog-to-digital conversion module.

Preferably, the measurement system further includes a sending module for extracting clothing pressure data from the database module and sending it to an external device.

Preferably, the device includes a comfort measurement system and a box,

The measurement system includes the system includes

The signal collection unit is used to collect the somatosensory signal between the clothing and the human body;

The database module is used to store the somatosensory signals collected by the signal acquisition unit;

The signal processing and analysis unit is used to extract the somatosensory signal from the database for processing and analysis, and obtain clothing pressure value and comfort information;

The box includes

The first control switch connected to the power supply module is used to control the power supply of the acquisition device;

A second control switch that controls the measurement system to start collecting;

A third control switch that controls the measurement system to stop collecting;

The somatosensory signal acquisition interface used to connect with the signal conversion module.

Preferably, the garment pressure comfort measurement device further includes

The first LED light is used to display whether the system supplies power when the first control switch is closed;

The second LED light is used to indicate whether data collection is started when the second control switch is closed;

The third LED light is used to display whether the data collection is stopped when the second control switch is turned off;

The USB connection port connected with the data module is used to support the connection of USB devices.

The beneficial effects of the present invention are as follows:

Compared with the prior art, the present invention has small volume, low power, and reduced measurement error, and can be easily integrated into clothing for short-term or long-term multi-point measurement of pressure, and can be analyzed by using the collected human somatosensory signals, objectively The evaluation of clothing comfort.

Description of drawings

The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

Fig. 1 shows the schematic diagram of a kind of clothing comfort measurement system of the present invention;

Fig. 2 shows the schematic diagram of the garment comfort measuring device of the present invention;

Fig. 3 shows a schematic diagram of a box of the garment comfort measurement device of the present invention.

detailed description

In order to illustrate the present invention more clearly, the present invention will be further described below in conjunction with preferred embodiments and accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. Those skilled in the art should understand that the content specifically described below is illustrative rather than restrictive, and should not limit the protection scope of the present invention.

The invention provides a clothing comfort measurement system, the measurement system includes a signal acquisition unit for collecting the somatosensory signal between the clothing and the human body, and the signal acquisition unit includes, for example, a flexible sensor for collecting the pressure between the clothing and the human body The pressure collection module of film pressure sensor 1, is used for collecting the electrode collection module of such as electrode sensor 4 of biological surface electrode, and is used for collecting the humidity collection module of such as humidity sensor 3 of humidity between clothing and human body; Signal conversion unit, with For preprocessing the somatosensory information, the signal conversion unit includes a signal conversion module such as a signal converter for converting the collected clothing pressure signal into an analog voltage signal, an amplification and filtering module and an analog voltage signal for analog Digital conversion such as digital-to-analog to database module, used to store the somatosensory signal collected by the signal acquisition unit; the analog-to-digital conversion module of the converter; the number processing and analysis unit, used to extract the somatosensory signal from the database for processing and analysis, and obtain Clothing pressure value and comfort information, the signal processing and analysis unit includes a pressure signal processing module for processing the collected clothing pressure information, an ECG signal processing module for processing the collected biological surface electrode information, humidity signal The processing module is used to process the collected humidity information between the clothing and the body surface, and the comprehensive data analysis module is used to analyze the processed somatosensory data to obtain clothing pressure values and comfort information. The data processing described in the present invention And the analysis unit adopts the microprocessor chip.

The comfort level of the present invention is divided into 5 levels: severe discomfort, moderate discomfort, moderate, comfortable and loose; the pressure impact: loose is 0Pa-200Pa, comfortable is 200Pa-1000Pa, moderate is 1000Pa-2200Pa, and more uncomfortable is 2200Pa ～3000Pa, severe discomfort: above 3000Pa; Humidity influence: In an environment of 20 degrees Celsius, the comfortable humidity of the human body is dry at 0%～20%RH, relatively dry at 20%～45%RH, and relatively dry at 45%～65%RH Comfortable, 65% to 80% RH is relatively humid, 80% to 100% RH is humid; the present invention can further judge the clothing comfort according to the static heart rate: the deviation of plus or minus 0% to 5% of the normal heart rate of the human body is comfortable, normal A heart rate deviation of 5% to 10% is less comfortable; a normal heart rate deviation greater than 10% is extremely uncomfortable. The present invention adopts a comprehensive judgment method to analyze the comfort of clothing, that is, simultaneously judges on the basis of pressure and humidity indicators combined with heart rate indicators, outputs clothing comfort conditions according to the corresponding comfort level system, and uses the system to judge clothing comfort at the same time. Reference factors such as pressure, humidity and heart rate of comfort are output to the wearer, allowing the wearer to

You can intuitively see the impact of clothing on yourself.

The measurement system of the present invention further includes a sending module such as Bluetooth for extracting clothing comfort information from the database module and sending it to an external device, and the external device includes a mobile phone or a computer. The measurement system also includes a power supply module for supplying power to each part of the system.

The invention further discloses a portable clothing pressure measurement device including the above measurement system. The device includes a comfort measurement system and a box body. The measurement system includes a signal acquisition unit for collecting pressure between the clothing and the human body. Somatosensory signal; database module, used to store the somatosensory signal collected by the signal acquisition unit; signal processing and analysis unit, used to extract the somatosensory signal from the database for processing and analysis, and obtain clothing pressure value and comfort information; the box body 5 It includes a first control switch connected to the power supply module, used to control the power supply of the acquisition device; a second control switch used to control the system to start collecting signals; a second control switch used to control the system to stop collecting; used to communicate with the signal conversion module Connected somatosensory signal acquisition interface 6. The acquisition unit of the present invention can be independent of the measuring device. By setting the somatosensory signal acquisition interface 6 on the box body as a male or female connector for connecting with the signal conversion module, the acquisition unit part is correspondingly provided with a female connector or a male connector. Connect the collection unit with the box body 5 by plugging. This way is convenient to adjust the length of the collection unit according to the actual situation, and also facilitates the collection and storage of the collection unit. The somatosensory signal acquisition interface 6 of the present invention can also realize the expansion function of multi-somatosensory signal acquisition, and can combine various clothing comfort factors by making an acquisition device that matches the somatosensory signal acquisition interface of the present invention with the somatosensory signal acquisition interface of the present invention. The above-mentioned comfort measurement system is connected to realize the comprehensive measurement of clothing comfort by using various somatosensory parameters, thereby improving the measurement accuracy of clothing comfort.

The clothing comfort measurement device further includes a first LED light, which is used to display whether the system supplies power when the first control switch is closed; a second LED light, which is used to display whether data collection starts when the second control switch is closed; The LED light is used to display whether the data collection is stopped when the second control switch is turned off; the USB connection port connected to the data module is used to support the connection of USB devices

The working process of the clothing comfort measuring device of the present invention: first, the signal acquisition unit containing the flexible film pressure sensor 1, the humidity sensor 3 and the electrode signal collector 4 is plugged into the somatosensory signal acquisition interface on the measuring device box body, Place the signal acquisition unit between the clothing to be tested and the body surface, turn on the first control switch in the switch group 9 to start supplying power to the system, and the first LED light in the display light group 10 lights up, confirm that the system is powered on, and turn on the switch group The second control switch in 9, the second LED light of the display lamp group 10 lights up, and then the system starts to collect the human body such as the data signal of the resistance changing with the pressure of the clothing, the electric signal of the human body surface and the humidity signal of the human body surface through the signal acquisition unit. Somatosensory signal, the collected signal of resistance changing with clothing pressure is converted into pressure analog signal through signal conversion unit 2, the analog signal is amplified and filtered, then analog-to-digital conversion is performed to obtain clothing pressure digital signal, and the clothing pressure digital signal, human body The surface electrical signal and the humidity signal are stored in the database module in the microcontroller 7, and the data processing and analysis unit in the microcontroller 7 extracts the somatosensory signal from the database module, and processes the corresponding somatosensory signal in the data processing and analysis unit After the module is processed, the data is sent into the data analysis module, judged according to the comfort standard formulated by the present invention, and the clothing comfort of the clothing to be tested and the somatosensory information value of each reference factor are obtained, and are stored in the database for waiting. Subsequent extraction for use. After the wearer obtains the required clothing comfort and corresponding somatosensory information, close the third control switch in the switch group 9, and the third LED light in the display light group 10 lights up, then the system stops signal collection, and at the same time closes the first switch, the system Power off, stop working. The present invention can transmit the clothing comfort-related data to external devices such as mobile phones or computers through bluetooth transmission, and can also transmit through the data transmission device 11 such as USB.

To sum up, the present invention can overcome the problems of inconvenient portability, single measurement factor and high manufacturing cost in the prior art of the measurement system and device. Compared with the prior art, the present invention has small volume, low power and reduced measurement error, and can be conveniently integrated into clothing for short-term or long-term multi-point measurement of pressure, and realizes the analysis by using collected human somatosensory signals, objectively The comfort of the garment is evaluated.

Apparently, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the implementation of the present invention. Those of ordinary skill in the art can also make It is impossible to exhaustively list all the implementation modes here, and any obvious changes or changes derived from the technical solutions of the present invention are still within the scope of protection of the present invention.

Claims (5)

1. a clothing comfort level measures system, it is characterised in that: this measurement system includes

Signal gathering unit, for gathering the body-sensing signal between clothing and human body；

DBM, the body-sensing signal collected for storage assembly collecting unit；

Signal processing and analytic unit, carry out processing and judge point for extracting body-sensing signal from data base Analysis, it is thus achieved that Clothing Pressure force value and comfort level information；

Described signal gathering unit includes pressure acquisition module, electrode acquisition module, humidity collection module；

Described pressure acquisition module uses fexible film pressure transducer；

Described electrode acquisition module uses electrode sensor；

Described humidity collection module uses humidity sensor；

Described signal processing and analytic unit include

Pressure signal processing module, for obtaining garment pressure signal from described data base, and process obtains Relevant pressure numerical information；

ECG's data compression module, for obtaining the biological surface signal of telecommunication from described data base, and processes To corresponding electrocardio numerical information；

Humidity signal processing module, for obtaining the humidity letter between clothing and body surface from described data base Number, and process obtain corresponding humidity information；

Comprehensive data analysis module, obtains clothing for the body-sensing data after processing are carried out comprehensive analysis and judgement Comfort level information；

Described comfort level is divided into 5 grades: the most uncomfortable, more uncomfortable, moderate, comfortable and loose；

Wherein, pressure influence: is loosely 0Pa～200Pa, comfortable for 200Pa～1000Pa, moderate is 1000 Pa～2200Pa, more uncomfortable for 2200Pa～3000Pa, serious discomfort is: more than 3000Pa；

Humidity affects: in the environment of 20 degrees Celsius, the comfort humidity of human body, and 0%～20%RH is dried, 20%～45%RH is drier, and 45%～65%RH is comfortable, and 65%～80%RH is moister, 80%～100%RH is moist；

Static Heart rate influences: human normal heart rate positive and negative 0%～5% deviation is comfortable, normal cardiac rate deviation 5%～10% is more uncomfortable；Normal cardiac rate deviation is the most uncomfortable more than 10%；

Described measurement system farther includes the signal conversion unit for pressure signal carries out pretreatment, institute State signal conversion unit to include

Signal conversion module, for being converted to analog voltage signal by the garment pressure signal collected；

Analog-to-digital conversion module, for carrying out analog digital conversion to analog voltage signal；

Also include, the amplification filtration module being connected between signal conversion module and analog-to-digital conversion module；

Described signal gathering unit can be independent of measurement apparatus, and body-sensing signals collecting interface is set to male or mother Head, signal gathering unit is correspondingly arranged as female or male.

Measurement system the most according to claim 1, it is characterised in that: described signal gathering unit bag Include

Pressure acquisition module, is used for gathering pressure between clothing and human body,

Ecg signal acquiring module, is used for gathering cardiac electrical biological surface electrical information, and

Humidity collection module, is used for gathering humidity between clothing and human body.

Measurement system the most according to claim 1, it is characterised in that: this measurement system farther includes For extracting garment pressure data from DBM, and send the sending module to external equipment.

4. a clothing comfort level measuring device, it is characterised in that: this device includes that comfort level measures system And box body, described measurement system includes

Signal gathering unit, for gathering the body-sensing signal between clothing and human body；

DBM, for depositing the body-sensing signal that signal gathering unit collects；

Signal processing and analytic unit, carry out Treatment Analysis for extracting body-sensing signal from data base, it is thus achieved that Clothing Pressure force value and comfort level information；

Described box body includes

The the first control switch being connected with supply module, is used for controlling harvester and powers；

Control the second control switch that measurement system starts to gather；

Control the 3rd control switch that measurement system stops gathering；

For the body-sensing signals collecting interface being connected with signal conversion module；

Signal gathering unit can be independent of measurement apparatus, and body-sensing signals collecting interface is set to male or female, Signal gathering unit is correspondingly arranged as female or male.

Clothing comfort level measuring device the most according to claim 4, it is characterised in that: wrap further Include

First LED, when the first control switch Guan Bi, whether display system powers；

Second LED, when the second control switch Guan Bi, whether video data starts to gather；

3rd LED, when the second control switches off, whether video data stops gathering；

The usb connecting port being connected with data module, is used for supporting that USB device connects.