CN110552605B - Thermoacoustic intelligent active sound insulation glass system with meteorological monitoring function - Google Patents

Thermoacoustic intelligent active sound insulation glass system with meteorological monitoring function Download PDF

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Publication number
CN110552605B
CN110552605B CN201910839762.3A CN201910839762A CN110552605B CN 110552605 B CN110552605 B CN 110552605B CN 201910839762 A CN201910839762 A CN 201910839762A CN 110552605 B CN110552605 B CN 110552605B
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glass
carbon nano
super
film
ordered carbon
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CN110552605A (en
Inventor
贾坤
李翔
徐旺
王玉龙
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Xi an Jiaotong University
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Xi an Jiaotong University
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    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/67Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light
    • E06B3/6707Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light specially adapted for increased acoustical insulation
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/20Doors, windows, or like closures for special purposes; Border constructions therefor for insulation against noise
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/20Doors, windows, or like closures for special purposes; Border constructions therefor for insulation against noise
    • E06B5/205Doors, windows, or like closures for special purposes; Border constructions therefor for insulation against noise windows therefor
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound

Abstract

A thermoacoustic intelligent active sound insulation glass system with a meteorological monitoring function comprises a measurement control subsystem and sound production glass based on thermoacoustic effect, wherein the measurement control subsystem consists of a meteorological monitoring sensor, a microphone, a conditioning and sampling module, a central processing unit, a wireless communication module and an alternating voltage output module; the sounding glass mainly comprises a glass window, wherein high-transparency protective films and super-ordered carbon nano films are adhered to two sides of the glass window; the system generates corresponding alternating current signals according to coherent wave source information of incident waves on the front side and the rear side of the glass and loads the corresponding alternating current signals to the super-ordered carbon nano films on the two sides of the sounding glass; the joule heat of the carbon nano film arranged in the super-array causes the density change of adjacent air to generate required coherent sound; the invention solves the defect of insufficient passive sound insulation efficiency of the window all the time on the basis of keeping high light transmission of the glass window, and the double active noise reduction mechanisms at the inner side and the outer side can realize extremely high sound transmission loss.

Description

Thermoacoustic intelligent active sound insulation glass system with meteorological monitoring function
Technical Field
The invention belongs to the technical field of sound insulation and noise reduction, mainly aims at places where urban buildings are sensitive to environmental noise and have requirements on light transmittance, and particularly relates to a thermoacoustic intelligent active sound insulation glass system with a weather monitoring function.
Background
With the continuous acceleration of industrialization and urbanization in China, noise becomes one of the main factors of environmental pollution. Along with the acceleration of work rhythm and the increasing of life pressure of people, the influence of noise pollution on physical and psychological health of people has attracted wide attention of all social circles. The noise propagation mainly comprises two components of a sound source and a propagation path. Accordingly, there are two main types of current noise control methods: firstly, noise sources are controlled, such as the noise of equipment is reduced by improving the processing precision of parts through improving the production process and structure, however, the improvement of the processing precision can cause the geometric increase of the production cost; secondly, sound waves are blocked and absorbed through various sound functional materials and structures in the sound transmission process, and harm to recipients is reduced.
Traditional sound insulation materials such as steel, bricks, concrete and other metal and inorganic materials are poor in processability and limited by the law of mass, and the sound insulation materials need extremely large mass to achieve ideal effects at low frequency, so that the application range is greatly limited. In recent years, active noise reduction technology has shown good effects in the fields of automobiles, aviation, civil buildings and the like. The doors and windows of the building are often the main sources of the invasion of outdoor noise, so that a new technical method which does not influence the lighting of the building and can make up the weak sound insulation performance of the doors and windows is urgently expected. The carbon nanotube array film is transparent and conductive as a special ordered carbon nanotube array. The carbon nanotube film can emit loud sound under the excitation of audio frequency alternating voltage, can be made into a loudspeaker, has the characteristics of flexibility and no magnetism, can be customized into any shape and size, and is independently arranged on any insulating surface.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention aims to provide a thermoacoustic intelligent active sound insulation glass system with a meteorological monitoring function. The sounding glass disclosed by the invention fully utilizes the thermo-acoustic effect principle of the super-ordered carbon nano film, is different from the traditional active noise reduction means, does not generate elastic vibration when the carbon nano film sounds, and does not influence the installation, performance and service life of the existing glass.
In order to achieve the aim of the invention, the technical scheme adopted by the invention is as follows:
a thermoacoustic intelligent active sound insulation glass system with a weather monitoring function comprises a measurement control subsystem and sounding glass based on thermoacoustic effect;
the measurement control subsystem comprises an outer microphone, an inner microphone, a meteorological sensor, a conditioning and sampling module, a central processing unit, a wireless communication module and an alternating voltage output module; wherein, the outer microphone, the inner microphone and the meteorological sensor are connected with the conditioning and sampling module and the central processing unit in turn; the central processing unit is connected with the wireless communication module and the alternating voltage output module, and the wireless communication module is remotely connected with user equipment through a network; the alternating voltage output module is connected with the sounding glass;
the sounding glass is of a sandwich structure and comprises an outer side high-transparency protective film, an outer surface electrode, an outer side super-ordered carbon nano film, a glass window, an inner side super-ordered carbon nano film, an inner surface electrode and an inner side high-transparency protective film which are sequentially adhered to one another; the outer side high-transparency protective film, the outer side super-ordered carbon nano film, the inner side super-ordered carbon nano film and the inner side high-transparency protective film have the same size as glass in the glass window and are not in contact with a frame in the glass window, and the frame in the glass window provides structural support for the whole sounding glass and is connected with an external mounting structure; the sizes of the outer surface electrode and the inner surface electrode are far smaller than those of the outer side high-transparency protective film, the outer side super-ordered carbon nano film, the inner side super-ordered carbon nano film and the inner side high-transparency protective film, and the outer surface electrode and the inner surface electrode are used for providing an interface for voltage loading; the large parts of the two sides of the outer side super-ordered carbon nano film are directly connected with the outer side high-transparency protective film and the glass window, and the large parts of the two sides of the inner side super-ordered carbon nano film are directly connected with the inner side high-transparency protective film and the glass window;
the weather sensor is arranged in the frame of the sounding glass, and the central processing unit, the wireless communication module and the alternating voltage output module are arranged on the inner side of the sounding glass.
Outside microphone and inboard microphone bury the sound production glass outside respectively and the upper portion of interior frame, and naked measurement port is covered by outside safety cover and inboard safety cover, prevents that the rainwater from to measuring influence.
The meteorological sensor comprises a carbon monoxide gas sensor, a smoke sensor and a temperature and humidity sensor. The carbon monoxide gas sensor detects carbon monoxide indexes in the air; the smoke sensor monitors the concentration of smoke; the temperature and humidity sensor detects temperature and humidity in the air.
The inner side carbon nano-film and the outer side carbon nano-film are composed of carbon nano-tubes which are arranged in the same direction and connected end to end, and the carbon nano-tubes are connected through Van der Waals force(ii) a The thickness is 100-150 nm, the viscosity is high, the transmissivity is more than 90%, and the resistance per unit area of the single-layer super-ordered carbon nano film is less than 1k omega/m2The heat capacity per unit area of the single-layer super-ordered carbon nano film is less than 10-2J m-2K-1And the single-layer super-ordered carbon nano film is directly bonded between the glass window and the outer side high-transparency protective film and between the glass window and the inner side high-transparency protective film.
In a preferred embodiment of the present invention, the outer high transparent protective film and the inner high transparent protective film are made of insulating polymer material, preferably polyurethane or acrylate-based material, and have a thickness of 50 nm. The outer surface electrode and the inner surface electrode have good conductivity and high light transmittance, and indium tin oxide is preferably uniformly coated on local positions of the inner side carbon nano film and the outer side carbon nano film through a mask.
The wireless communication module is responsible for the inside and outside data communication of outside safety cover and inboard safety cover.
The invention relates to a working mode of a thermoacoustic intelligent active sound insulation glass system with a weather monitoring function, wherein a central processing unit in a measurement control subsystem analyzes and integrates weather and sound information and transmits the weather and sound information to a television, a computer and a mobile phone of a user through a wireless communication module; the weather sensor detects various weather information, the outer side microphone or the inner side microphone detects the inner and outer noise information of the sounding glass, the information of coherent wave sources aiming at incident waves on the front side and the rear side of the glass is given by the central processing unit through the conditioning and sampling module according to a noise reduction algorithm, alternating signals with corresponding voltage amplitudes and phases are generated and loaded to the outer side super-in-line carbon nano film and the inner side super-in-line carbon nano film on the two sides of the sounding glass, the outer side super-in-line carbon nano film is connected with the outer surface electrode, and the inner side super-in-line carbon nano film is connected with the inner surface electrode. The outer side super-in-line carbon nano film and the inner side super-in-line carbon nano film receive electric signals to generate joule heat, and due to the extremely low specific heat capacity of the super-in-line carbon nano film and the low heat conductivity coefficient of the high-transparency protective film, heat energy is efficiently transmitted to adjacent air, and the density of the adjacent air is changed based on the thermoacoustic effect, so that a required coherent secondary sound source is generated; the secondary sound and the incident sound are superposed and offset due to the phase difference, so that active noise reduction is realized.
The invention has the following advantages:
1. on the basis of keeping high light transmission of the glass window, the defect that the window is insufficient in passive sound insulation efficiency all the time is overcome, and the provided double active noise reduction mechanism on the inner side and the outer side can realize extremely high sound transmission loss;
2, the method has the advantages of easy processing, wide application scene and low cost;
3. indoor noise and air quality information can be monitored simultaneously, and then the display screen is shown after being integrated by central processing unit for the user knows noise and air quality in the environment in real time.
Drawings
FIG. 1 is a block diagram of the system of the present invention.
Fig. 2 is a schematic cross-sectional view of the sound generating glass of the present invention.
Detailed Description
The invention is described in further detail below with reference to the following figures and specific embodiments.
As shown in figure 1, the thermoacoustic intelligent active sound insulation glass system with the meteorological monitoring function comprises a measurement control subsystem 1 and sounding glass 2 based on thermoacoustic effect.
The measurement control subsystem 1 includes an outside microphone 101, an inside microphone 102, a weather sensor 103, a conditioning and sampling module 104, a central processing unit 105, a wireless communication module 106, and an ac voltage output module 107. Wherein, the outer microphone 101, the inner microphone 102 and the meteorological sensor 103 are connected with the conditioning and sampling module 104 and the central processing unit 105 in turn; the outer microphone 101 and the inner microphone 102 are embedded in the upper portions of the inner and outer frames of the sound generating glass 2, respectively, and the exposed portions are covered with an outer protective cover 208 and an inner protective cover 209. The meteorological monitoring sensor 103 comprises a carbon monoxide gas sensor, a smoke sensor and a temperature and humidity sensor, and is arranged in the frame of the sounding glass 2. The wireless communication module 106 is remotely connected with the user equipment through a network; the alternating voltage output module 107 is connected with the sounding glass 2.
As shown in fig. 2, the sound production glass 2 is a sandwich structure, and includes an outer side highly transparent protective film 201, an outer surface electrode 202, an outer side super-ordered carbon nano-film 203, a glass window 204, an inner side super-ordered carbon nano-film 205, an inner surface electrode 206 and an inner side highly transparent protective film 207, which are sequentially adhered to each other; the outer side high transparent protective film 201, the outer side super-ordered carbon nano-film 203, the inner side super-ordered carbon nano-film 205 and the inner side high transparent protective film 207 have the same size with the glass in the glass window 204, are not in contact with the frame in the glass window 204, the frame in the glazing 204 provides structural support for the entire sound generating glass 2 and is connected to external mounting structures, the size of the outer surface electrode 202 and the inner surface electrode 206 is far smaller than the size of the outer high transparent protective film 201, the outer super-ordered carbon nano-film 203, the inner super-ordered carbon nano-film 205 and the inner high transparent protective film 207, an interface for providing voltage loading, wherein most of two sides of the outer super-ordered carbon nano film 203 are directly connected with the outer high-transparency protective film 201 and the glass window 204, most of both sides of the inner super-ordered carbon nano-film 205 are directly connected with the inner highly transparent protective film 207 and the glass window 204.
The inner side super-ordered carbon nano-film 205 and the outer side super-ordered carbon nano-film 203 are composed of carbon nano-tubes which are arranged in the same direction and are connected end to end, and the carbon nano-tubes are connected through Van der Waals force; the thickness is 100-150 nm, the viscosity is high, the transmissivity is more than 90%, and the resistance per unit area of the single-layer super-ordered carbon nano film is less than 1k omega/m2The heat capacity per unit area of the single-layer super-ordered carbon nano film is less than 10-2J m-2K-1And the single-layer super-ordered carbon nano film is directly bonded between the glass window 204 and the outer side high-transparency protective film 201 and the inner side high-transparency protective film 207.
In a preferred embodiment of the present invention, the outer high transparent protective film 201 and the inner high transparent protective film 207 are made of insulating polymer material, preferably polyurethane or acrylate-based material, and have a thickness of 50 nm.
As shown in fig. two, the outer microphone 101 and the inner microphone 102 are embedded in the outer side of the sound generating glass 2 and the upper part of the inner frame, respectively, to prevent the influence of rain on the measurement, and a protective cover is provided at the microphone measurement port.
The meteorological monitoring sensor 103 comprises a carbon monoxide gas sensor, a smoke sensor and a temperature and humidity sensor. The carbon monoxide gas sensor detects carbon monoxide indexes in the air; the smoke sensor monitors the concentration of smoke; the temperature and humidity sensor detects temperature and humidity in the air.
The central processing unit 105, the wireless communication module 106 and the alternating voltage output module 107 are all arranged on the inner side of the sounding glass 2. The central processing unit analyzes and integrates weather and sound information and transmits the weather and sound information to a television, a computer and a mobile phone of a user through the wireless communication module 106.
The invention relates to a working mode of a thermoacoustic intelligent active sound insulating glass system with a weather monitoring function, wherein a weather sensor 103 in a measurement control subsystem 1 is used for detecting various weather information, an outer side microphone 101 or an inner side microphone 102 is used for detecting the internal and external noise information of sounding glass 2, a central processing unit 105 is used for providing coherent wave source information aiming at incident waves at the front side and the rear side of the glass according to a noise reduction algorithm through a conditioning and sampling module 104 and generating alternating current signals of corresponding voltage amplitude and phases to be loaded to an outer side super-ordered carbon nano film 203 and an inner side super-ordered carbon nano film 205 at the two sides of the sounding glass 2, the outer side super-ordered carbon nano film 203 is connected with an outer surface electrode 202, and the inner side super-ordered carbon nano film 205 is connected with an inner surface electrode 206. The outer side super-in-line carbon nano film 203 and the inner side super-in-line carbon nano film 205 receive electric signals to generate joule heat, and due to the extremely low specific heat capacity of the super-in-line carbon nano films and the low heat conductivity coefficient of the high-transparency protective film, heat energy is efficiently transmitted to adjacent air, and the density of the adjacent air is changed based on the thermoacoustic effect, so that a required coherent secondary sound source is generated; the secondary sound and the incident sound are superposed and offset due to the phase difference, so that active noise reduction is realized.

Claims (8)

1. A thermoacoustic intelligent active sound insulation glass system with a weather monitoring function is characterized by comprising a measurement control subsystem (1) and sounding glass (2) based on thermoacoustic effect;
the measurement control subsystem (1) comprises an outer microphone (101), an inner microphone (102), a meteorological sensor (103), a conditioning and sampling module (104), a central processing unit (105), a wireless communication module (106) and an alternating voltage output module (107); wherein, the outer microphone (101), the inner microphone (102) and the meteorological sensor (103) are connected with the conditioning and sampling module (104) and the central processing unit (105) in turn; the central processing unit (105) is connected with the wireless communication module (106) and the alternating voltage output module (107), and the wireless communication module (106) is remotely connected with user equipment through a network; the alternating voltage output module (107) is connected with the sounding glass (2);
the sounding glass (2) is of a sandwich structure and comprises an outer side highly transparent protective film (201), an outer surface electrode (202), an outer side super-ordered carbon nano-film (203), a glass window (204), an inner side super-ordered carbon nano-film (205), an inner surface electrode (206) and an inner side highly transparent protective film (207) which are sequentially adhered to one another; the outer side high-transparency protective film (201), the outer side super-in-line carbon nano film (203), the inner side super-in-line carbon nano film (205) and the inner side high-transparency protective film (207) are the same as the glass in the glass window (204) in size and are not in contact with a frame in the glass window (204), and the frame in the glass window (204) provides structural support for the whole sounding glass (2) and is connected with an external mounting structure; the sizes of the outer surface electrode (202) and the inner surface electrode (206) are far smaller than those of the outer side high-transparency protective film (201), the outer side super-ordered carbon nano film (203), the inner side super-ordered carbon nano film (205) and the inner side high-transparency protective film (207), and the outer surface electrode and the inner surface electrode are used for providing an interface for loading voltage; most parts of two sides of the outer-side super-ordered carbon nano film (203) are directly connected with the outer-side high-transparency protective film (201) and the glass window (204), and most parts of two sides of the inner-side super-ordered carbon nano film (205) are directly connected with the inner-side high-transparency protective film (207) and the glass window (204);
the outer microphone (101) and the inner microphone (102) are respectively embedded into the outer side of the sounding glass (2) and the upper part of the inner side frame, and the exposed measuring port is covered by an outer protective cover (208) and an inner protective cover (209);
the weather sensor (103) is arranged in a frame of the sounding glass (2), and the central processing unit (105), the wireless communication module (106) and the alternating voltage output module (107) are arranged on the inner side of the sounding glass (2).
2. The thermoacoustic intelligent active sound insulating glass system with weather monitoring function according to claim 1, wherein the weather sensor (103) comprises a carbon monoxide gas sensor, a smoke sensor, and a temperature and humidity sensor.
3. The thermoacoustic intelligent active sound-insulating glass system with weather monitoring function according to claim 1, wherein the inner super-ordered carbon nano-film (205) and the outer super-ordered carbon nano-film (203) are composed of carbon nano-tubes arranged in the same direction and connected end to end, and the carbon nano-tubes are connected through van der waals force; the thickness is 100-150 nm, the viscosity is high, the transmissivity is more than 90%, and the resistance per unit area of the single-layer super-ordered carbon nano film is less than 1k omega/m2The heat capacity per unit area of the single-layer super-ordered carbon nano film is less than 10-2J m-2K-1And the single-layer super-ordered carbon nano film is directly bonded between the glass window (204) and the outer side high-transparency protective film (201) and the inner side high-transparency protective film (207).
4. The thermoacoustic intelligent active sound-proof glass system with weather monitoring function as claimed in claim 1, wherein: the outer surface electrode (202) and the inner surface electrode (206) have conductivity and high light transmittance, and are uniformly coated on local positions of the inner side super-ordered carbon nano film (205) and the outer side super-ordered carbon nano film (203) through a mask.
5. The thermoacoustic intelligent active sound-proof glass system with weather monitoring function as claimed in claim 1, wherein: indium tin oxide is used for the outer surface electrode (202) and the inner surface electrode (206).
6. The thermoacoustic intelligent active sound-proof glass system with weather monitoring function as claimed in claim 1, wherein: the outer side high-transparency protective film (201) and the inner side high-transparency protective film (207) are made of insulating high polymer materials and are 50nm thick.
7. The thermoacoustic intelligent active sound-proof glass system with weather monitoring function of claim 6, wherein: the insulating high polymer material is a polyurethane or acrylate-based material,
8. the thermoacoustic intelligent active sound-proof glass system with weather monitoring function as claimed in claim 1, wherein: the central processing unit (105) in the measurement control subsystem (1) analyzes and integrates weather and sound information and transmits the weather and sound information to a television, a computer and a mobile phone of a user through a wireless communication module (106); the method comprises the following steps that a meteorological sensor (103) detects various meteorological information, an outer microphone (101) or an inner microphone (102) detects internal and external noise information of sounding glass (2), coherent wave source information aiming at incident waves on the front side and the rear side of the glass is given out through a conditioning and sampling module (104) by a central processing unit (105) according to a noise reduction algorithm, alternating current signals of corresponding voltage amplitude and phase are generated and loaded to an outer super-ordered carbon nano film (203) and an inner super-ordered carbon nano film (205) on the two sides of the sounding glass (2); the outer super-ordered carbon nano film (203) and the inner super-ordered carbon nano film (205) receive electric signals to generate joule heat.
CN201910839762.3A 2019-09-06 2019-09-06 Thermoacoustic intelligent active sound insulation glass system with meteorological monitoring function Active CN110552605B (en)

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