Reaction unit and system for high sound pressure
Technical field
The utility model belongs to ultrasonic technology field, and in particular to a kind of reaction unit and system for high sound pressure.
Background technique
Hydrostatic pressure is known as by the pressure that homogeneous fluid acts on an object, this is a kind of comprehensive power, hydrostatic
Pressure equably can apply pressure to each position of body surface.High hydrostatic pressure is of wide application, in food production
Field, high hydrostatic pressure force environment may be implemented not by way of heating, the catalytic action of activating microorganisms and enzyme, shorten food
The production cycle of object, and then improve yield.In field of acoustics, high hydrostatic pressure can by increase the content of gas in water come
Acoustic cavitation threshold value is improved, inhibits the acoustic cavitation activity in water, the acoustic pressure of focal point not only can be improved, it can also be poly- in high intensity
When burnt ultrasonic therapy, increase the lesion volume of target area tissue, to improve therapeutic efficiency.In the prior art, in high sound pressure environment
Under, reactant needs to carry out Cavitation in the chamber of large-scale resonator, needs liquid more in the chamber of resonator, liquid
In include reactant, the bad control of volume, it has not been convenient to exchange for, the specification and material of the chamber of resonator are to the extreme of superelevation acoustic pressure
Environmental condition, which is constituted, to be destroyed, and the position of focal regions cannot be accurately detected.
Utility model content
Technical problem to be solved in the utility model is aiming at the above shortcomings existing in the prior art, to provide a kind of use
In the reaction unit and system of high sound pressure, solve under high sound pressure environment that liquid in the chamber of resonator is more, the bad control of volume
The technical issues of.
It solves technical solution used by the utility model technical problem and is to provide a kind of reaction unit for high sound pressure,
Including ultrasonic transducer and reaction chamber, reaction chamber is located at the acoustic pressure focal regions of ultrasonic transducer, and reaction chamber is for accommodating material, ultrasound
The chamber wall that the ultrasonic wave of energy converter transmitting can penetrate reaction chamber is applied to the material in reaction chamber.Material state be air-liquid,
The mixing of one or more of solid fraction state, material react in reaction chamber.Reaction unit for high sound pressure it is loud
Pressure is greater than 106Pa。
According to resonant principle, the specification of reaction chamber is modeled in simulation software, simulates high sound pressure environment
Under influence to the acoustic pressure focal regions acoustic pressure of ultrasonic transducer, obtain optimum response chamber size specification.
Preferably, ultrasonic transducer includes the trigger mechanism for emitting ultrasonic wave, and the surface of emission of trigger mechanism surrounds spherical shape
Resonant cavity, resonant cavity be provided with resonant cavity opening, reaction chamber by resonant cavity opening pass in and out resonant cavity.
Preferably, ultrasonic transducer further includes lid door, is set in resonant cavity opening, lid door is for being opened and closed resonant cavity
Opening.
Preferably, the reaction unit for high sound pressure further includes movement mechanism, mobile for clamping reaction chamber
To or leave the acoustic pressure focal regions of ultrasonic transducer.
Preferably, movement mechanism includes cold source, and reaction chamber entrance and reaction chamber outlet, cold source tool are provided on reaction chamber
There are cold source outlet and cold source entrance, cold source outlet is connect with reaction chamber entrance, and cold source entrance and reaction chamber outlet connect, and cold source is used
Freeze in the material entered in cold source by cold source entrance, the material by refrigeration is exported by cold source and is discharged, then by anti-
It answers chamber entrance to be flowed into reaction chamber, is then exported and be discharged by reaction chamber, then be circulated back to inside cold source and carried out by cold source entrance
Refrigeration cool-down.
Preferably, the reaction unit for high sound pressure further includes being set to inside reaction chamber for detecting acoustic pressure
Acoustic pressure detector.Acoustic pressure detector can influence of the actual measurement reaction chamber to sound field environment.
Preferably, acoustic pressure detector is also used to detect the position of reaction chamber.It can be by reaction chamber by acoustic pressure detector
The acoustic pressure focal regions of ultrasonic transducer are accurately positioned, so that the ultrasonic wave being subject in reaction chamber is stronger.
Preferably, the shape of reaction chamber is one of spherical shape, cube, capillary.Capillary reaction chamber utilizes it
Capillary phenomenon attract the material in it, capillary phenomenon refers to liquid on the inside of thin tube-like object, due to cohesive force and adhesive force
Difference, the phenomenon that overcoming centrifugal force and rise or fall.
Preferably, the volume of reaction chamber is 0.1~30ml.
Preferably, encapsulated holes are set on reaction chamber, and encapsulated holes are for material to be packaged in reaction chamber.
Preferably, the substrate of reaction chamber is polytetrafluoroethylene (PTFE).The substrate of reaction chamber is smaller to the propagation effect of ultrasonic wave.
The utility model also provides a kind of high sound pressure reaction system, including the high sound pressure chamber for generating high sound pressure, loudly
It presses and intracavitary is provided with the above-mentioned reaction unit for high sound pressure.
Reaction unit in the utility model for high sound pressure can be in extreme object by holding material in reaction chamber
Under the conditions of reason, on high sound pressure environment influence it is smaller, it can be achieved that in reaction chamber low dose of material reaction, and reaction chamber size can
Control, space sealing conveniently exchange for, and the material of the reaction chamber after can taking out reaction is further to be detected, and are the strong sound of high-energy
Condition can be used effectively and provide basic condition.
Detailed description of the invention
Fig. 1 is the sectional view of the reaction unit for high sound pressure in the utility model embodiment 2;
Fig. 2 is the sectional view of the reaction unit for high sound pressure in the utility model embodiment 5;
Fig. 3 is the sectional view of the reaction unit for high sound pressure in the utility model embodiment 6.
In figure: 1- ultrasonic transducer;2- reaction chamber;The 3- surface of emission;4- resonant cavity;5- resonant cavity opening;6- movement mechanism.
Specific embodiment
It is with reference to the accompanying drawing and specific real to make those skilled in the art more fully understand the technical solution of the utility model
Mode is applied to be described in further detail the utility model.
Embodiment 1
The present embodiment provides a kind of reaction unit for high sound pressure, including ultrasonic transducer and reaction chamber, reaction chamber positions
In the acoustic pressure focal regions of ultrasonic transducer, reaction chamber can penetrate reaction for accommodating material, the ultrasonic wave of ultrasonic transducer transmitting
The chamber wall of chamber is applied to the material in reaction chamber, and material reacts in reaction chamber.
Reaction unit in the present embodiment for high sound pressure can be in extreme physics by holding material in reaction chamber
Under the conditions of, on high sound pressure environment influence it is smaller, it can be achieved that in reaction chamber low dose of material reaction, and reaction chamber size is controllable,
Space sealing conveniently exchanges for, and the material of the reaction chamber after can taking out reaction is further to be detected, and is high-energy macrosonics item
Part can be used effectively and provide basic condition.
Embodiment 2
As shown in Figure 1, the present embodiment provides a kind of reaction unit for high sound pressure, including ultrasonic transducer 1 and reaction
Chamber 2, reaction chamber 2 are located at the acoustic pressure focal regions of ultrasonic transducer 1, and reaction chamber 2 emits super for accommodating material, ultrasonic transducer 1
The chamber wall that sound wave can penetrate reaction chamber 2 is applied to the material in reaction chamber 2.Material state is one in gas, liquid, solid state
Kind or several mixing, material react in reaction chamber.The high sound pressure of reaction unit for high sound pressure be greater than
106Pa。
According to 4 resonance principle of resonant cavity, the specification of reaction chamber 2 is modeled in COMSOL simulation software, simulation is high
To the influence of the acoustic pressure focal regions acoustic pressure of ultrasonic transducer 1 under acoustic pressure environment, 2 dimensions of optimum response chamber is obtained.
It should be noted that the ultrasonic transducer 1 in the present embodiment includes the trigger mechanism of transmitting ultrasonic wave, trigger mechanism
The surface of emission 3 surround spherical resonant cavity 4, resonant cavity 4 is provided with resonant cavity opening 5, reaction chamber 2 by resonant cavity be open 5 into
Resonant cavity 4 out.
Preferably, ultrasonic transducer further includes lid door, is set in resonant cavity opening 5, lid door is for being opened and closed resonance
Chamber opening 5.
It should be noted that the reaction unit of the high sound pressure in the present embodiment further includes movement mechanism 6, for clamping reaction
Chamber 2 is moved to or leaves the acoustic pressure focal regions of ultrasonic transducer 1.Specifically, the movement mechanism 6 of the present embodiment is action clips, lead to
The acoustic pressure focal regions center that action clips are moved to the reaction chamber 2 equipped with material spherical ultrasonic transducer 1 is crossed, reaction chamber 2 is certainly
Reach internal and external pressure balance under body micro-deformation, after reaction, is taken reaction chamber 2 from spherical transducer by action clips
Out.
It should be noted that the movement mechanism 6 in the present embodiment includes cold source, reaction chamber entrance is provided on reaction chamber 2
With reaction chamber export, cold source have cold source outlet and cold source entrance, cold source outlet connect with reaction chamber entrance, cold source entrance with instead
Answer chamber outlet connection, cold source for freezing to the material entered in cold source by cold source entrance, the material by refrigeration by
Cold source outlet discharge, then be flowed into reaction chamber 2 by reaction chamber entrance, it is then exported and is discharged by reaction chamber, then by cold source entrance
It is circulated back to inside cold source and carries out refrigeration cool-down.
It should be noted that the reaction unit for high sound pressure in the present embodiment further includes being set to inside reaction chamber 2
For detecting the acoustic pressure detector of acoustic pressure.Acoustic pressure detector can influence of the actual measurement reaction chamber 2 to sound field environment.Specifically
, acoustic pressure detector is the light for carrying out acoustic pressure detection.
It should be noted that the acoustic pressure detector in the present embodiment is also used to detect the position of reaction chamber 2.It is examined by acoustic pressure
Surveying device reaction chamber 2 can be accurately positioned the acoustic pressure focal regions for arriving ultrasonic transducer 1, so that the ultrasonic wave being subject in reaction chamber 2 is more
By force.
It should be noted that the shape of the reaction chamber 2 in the present embodiment is spherical shape.Spherical reaction chamber 2 can receive most
The effect of the ultrasonic wave of big intensity.
Preferably, the volume of reaction chamber 2 is 5ml.
It should be noted that encapsulated holes are arranged on reaction chamber 2 in the present embodiment, encapsulated holes are for material to be packaged in instead
It answers in chamber 2.
It should be noted that the substrate of the reaction chamber 2 in the present embodiment is polytetrafluoroethylene (PTFE), the substrate of reaction chamber 2 is to super
The propagation effect of sound wave is smaller.
Reaction unit in the present embodiment for high sound pressure can be in extreme physics by holding material in reaction chamber 2
Under the conditions of, on high sound pressure environment influence it is smaller, it can be achieved that in reaction chamber 2 low dose of material reaction, and 2 size of reaction chamber can
Control, space sealing conveniently exchange for, and the material of the reaction chamber 2 after can taking out reaction is further to be detected, and are the strong sound of high-energy
Condition can be used effectively and provide basic condition.
Embodiment 3
The present embodiment provides a kind of reaction units for high sound pressure, the difference with embodiment 2 are as follows: anti-in the present embodiment
The volume for answering chamber is 15ml,
Embodiment 4
The present embodiment provides a kind of reaction units for high sound pressure, the difference with embodiment 2 are as follows: anti-in the present embodiment
The volume for answering chamber is 30ml,
Embodiment 5
As shown in Fig. 2, the present embodiment provides a kind of reaction units for high sound pressure, the difference with embodiment 2 are as follows: this reality
The shape for applying the reaction chamber in example is cube.
Embodiment 6
As shown in figure 3, the present embodiment provides a kind of reaction units for high sound pressure, the difference with embodiment 2 are as follows: this reality
The shape for applying the reaction chamber in example is capillary, and the volume of capillary reaction chamber is 0.1ml.Specifically, the sound in the present embodiment
Pressure detector is welded together with capillary reaction chamber.
Embodiment 7
The present embodiment provides a kind of high sound pressure reaction systems, including the high sound pressure chamber for generating high sound pressure, high sound pressure chamber
The reaction unit for high sound pressure being inside provided in above-described embodiment 1~6.
It is understood that embodiment of above is merely to illustrate that the principles of the present invention and uses exemplary
Embodiment, however the utility model is not limited thereto.For those skilled in the art, this is not being departed from
In the case where the spirit and essence of utility model, various changes and modifications can be made therein, these variations and modifications are also considered as this reality
With novel protection scope.