CN107241668B - A kind of strong generating device and method based on explosive combustion - Google Patents
A kind of strong generating device and method based on explosive combustion Download PDFInfo
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- CN107241668B CN107241668B CN201710349665.7A CN201710349665A CN107241668B CN 107241668 B CN107241668 B CN 107241668B CN 201710349665 A CN201710349665 A CN 201710349665A CN 107241668 B CN107241668 B CN 107241668B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
Abstract
The invention discloses a kind of strong generating device and method based on explosive combustion, device includes: explosive combustion device, acoustic resonance cavity, public address set and control system, and control system includes parameter setting apparatus and explosive combustion control device；Explosive combustion device is separately connected control system and acoustic resonance cavity, receives parameter setting apparatus setup parameter by explosive combustion control device in control system, control explosive combustion device starts or stops；And 10KHz frequency component below in strong audio spectrum is retained by acoustic resonance cavity；The strong audio frequency spectral component retained through public address set enhancing acoustic resonance cavity, to realize that strong sound occurs.The mixing of air and acetylene is carried out under control of the control system, and igniting generates strong sound；And the working frequency for adjusting explosive combustion system controls strong sound.It has many advantages, such as that principle is simple, it is easy to realize, portability is strong, intensity of sound range is wide, modulability is strong, reliable and stable, is suitable for the occasions such as fight against terrorism and violence, mechanic sound testing fatigue.
Description
Technical field
The invention belongs to strong sound, and field occurs, and in particular to combustion technology, fluid technique, aeroacoustics technology, control skill
Art, embedded technology more particularly relate to an explosive combustion system, acoustic resonance chamber and a public address set, a control
System, for occasions such as fight against terrorism and violence, mechanic sound testing fatigues.
Background technique
Strong sound is dredged stifled etc. in the test of anti-riot anti-terrorism, material or medicine, the test of mechanical system acoustic fatigue, rain making, pipeline
Field is widely used.
Currently, electroacoustic is converted, and pneumatic sounding is two kinds of mechanism that strong sound generates.Wherein, single under electroacoustic transformation mechanism
A converter generates Qiang Sheng little, is unable to satisfy the demand that more high-strength sound field is closed, and consumption of electric power is big, can not be in small-capacity cells
It is used under power supply occasion；Pneumatic sounding needs external offer high pressure gas, and electromagnet cooperation plug movement is needed to form high speed gas
Stream is realized complicated；High-speed flow damages greatly the pneumatic operated valve in its system, is led to lifetime of system significantly due to its temperature height
Reduction.
Based on the conversion of current electroacoustic, two kinds of mechanism of pneumatic sounding there are the problem of, providing one kind can be without using a large amount of
It works in the case where electric energy, structure is simpler, is easier realization, strong sound size flexible adjustment, energy long time stability work, just
The property taken is strong, can be used for mechanic sound testing fatigue, the strong generating device of the explosive combustion of the industries such as anti-terrorism, agricultural, medical treatment.
Summary of the invention
For defect present in background above technology and deficiency, the present invention proposes that one kind is portable, electric energy consumption is low, structure
Simply, it is easier to the strong generating device of explosive combustion and strong sound method for generation realized, it is wider to generate frequency spectrum by explosive combustion system
The strong sound of explosion, explode strong sound after acoustic resonance cavity, after the radio-frequency component in frequency spectrum is filtered out, public address set is low to its
Frequency is partially enhanced and is exported.Strong sound is controlled by adjusting the working frequency of explosive combustion system, system only control system
Consume electric energy, can be by lithium battery power supply, structure is simple, not complicated air compressor or power amplifier, be it is a kind of it is simple,
Efficiently, high degree of automation, in system without rapid wear device, can long-term stable operation, versatile portable miniaturized strong sound
Generator.
In order to reach the goals above, it is realized using following technical scheme:
A kind of strong generating device based on explosive combustion, the device include at least:
Explosive combustion device is produced for periodically carrying out explosive combustion under the control action of control system by explosion
Raw strong acoustical signal；
Acoustic resonance cavity retains in strong audio spectrum for filtering out the high fdrequency component of Qiang Shengzhong produced by explosive combustion system
10KHz frequency component below；
Public address set, for enhancing by 10KHz frequency component below in the acoustic resonance cavity processing strong audio spectrum of afterpulse；
Control system includes parameter setting apparatus and explosive combustion control device；
The parameter setting apparatus is inputted for completing the customer parameter including frequency, phase and duty ratio；
The explosive combustion control device starts or stops explosion combustion for receiving the parameter of parameter setting apparatus setting
Burn device；
The explosive combustion device is separately connected control system and acoustic resonance cavity, is controlled by explosive combustion in control system
Device receives parameter setting apparatus setup parameter, and control explosive combustion device starts or stops；And retained by acoustic resonance cavity strong
10KHz frequency component below in audio spectrum；Retain the frequency component of strong audio frequency spectrum signal through public address set enhancing acoustic resonance cavity,
To realize that strong sound occurs.
Further, the explosive combustion device, including sequentially connected mixing section, initiator and detonation chamber, the mixing
Chamber is equipped with air intake duct, is connected with explosive combustion device jet pipe on the detonation chamber；Mixing chamber is connected by solenoid valve
Acetylene cylinder.
Further, the explosive combustion control device includes strong acoustic processor, and the spark being connected with strong acoustic processor
Fill in drive module, battery detection module, solenoid valve driving module, communication module and power supply module, the power supply module connection control
Device battery processed provides power supply for modules.
Further, the parameter setting apparatus includes parameter setting processor, and be connected with parameter setting processor f
Memory module, touch screen drive module, wireless communication module, work indicating module, electric quantity monitoring module and power-supply system, it is described
Touch screen drive module is equipped with touch screen, and the power-supply system connection setting unit battery provides power supply for modules.
Further, the acoustic resonance cavity length is 8-8.5mm, and the total length of strong generating device is in 60-70cm.
The present invention gives the strong sound method for generation based on explosive combustion in turn, includes the following steps:
1) it is opened by the intake valve on mixing chamber's air intake duct of explosive combustion control device control explosive combustion device, and
The acetylene valve for being connected to acetylene cylinder is opened, fuel and air are mixed in mixing chamber according to certain equivalent proportion, and mixed gas is certainly
Mixing chamber closes to detonation chamber, intake valve and acetylene valve is full of；
2) plug ignition is then driven by the spark plug drive module of control system control explosive combustion control device；
3) mixed gas starts to burn in the form of deflagration, is controlled by adjusting the working frequency of explosive combustion system strong
Sound, and stable C-J blast wave and dilatational wave are formed in detonation chamber, multiple explosion centers are formed, strong sound is generated；
4) blast wave reaches jet pipe and surrounding air forms strong turbulence, generates the strong sound of quadrapole；While exhaust, tail spray
Pipe nozzle constantly generates dilatational wave, propagates into jet pipe pipe；
5) over time, the inner and outer boundary's environmental gas parameter of detonation tube reaches balance；
6) it when pinking overpressure is lower than fuel-air injection pressure, opens mixing valve and carries out next filling, enter
Strong sound circulation next time.
Further, in the step 3), by adjusting explosive combustion control device electromagnetism valve passage and igniter channel
Switching frequency, to adjust the strong sound size of explosive combustion system, switching frequency 5Hz < f < 120Hz.
Further, explosive combustion control device and the equal real-time monitoring cells electricity of parameter setting apparatus；
When explosive combustion control device not enough power supply, the switch in Self-shut electromagnetic valve channel and igniter channel, in
Only strong acoustic generator work, and not enough power supply information is transmitted to parameter setting apparatus by being wirelessly transferred；
Parameter setting apparatus is by electric quantity monitoring module monitors self electric quantity, when parameter setting apparatus not enough power supply, shows
Show and abort signal is occurred into for strong sound by being wirelessly transmitted to explosive combustion control device simultaneously, is closed by explosive combustion control device
Solenoid valve and ignition switch are closed, strong sound generating system work is stopped.
Compared with the existing technology, the beneficial effects of the present invention are:
1) strong sound is generated using the method for explosive combustion.
2) principle is simple, high-efficient, and the single strong acoustic generator of explosive combustion may produce up to the strong of 140dB---170dB
Sound.
3) cost of implementation is low, relative to electric strong sound mode, does not need multistage power amplifier and power amplifier array, can be in small-capacity cells
Workplace uses, and portability is strong；Relative to pneumatic strong generating device, high pressure gas is provided without air compressor,
The generations such as reed auxiliary sound-generating element is not needed, no rapid wear device, mobility, portability is relatively strong, can long-term stable operation.
4) strong sound range is wide, adjusts and is easy, strong applicability.
The present invention generates strong sound by the explosive combustion periodically generated using a kind of novel strong sound production method,
Explosive combustion system is by acetylene cylinder, mixing valve, detonation chamber, spark plug, jet pipe, control system composition；Strong sound generating system by
Explosive combustion system, acoustic resonance cavity, public address set composition.Strong sound is generated by explosive combustion system, acoustic resonance cavity is to generated
Strong sound carries out high frequency section and is eliminated, and retains its low frequency part, and public address set further enhances the low frequency part retained,
It just can produce the strong sound of wide scope of wide 140dB---170dB using single strong generating device, strong sound size is controllable；And system can
It works in small-capacity cells power supply occasion, portability, mobility are strong, and structure is simple, at low cost, no fallible component, are a kind of
More reliable, efficient strong sound method for generation.
Detailed description of the invention
Fig. 1 is the strong sound system structure chart of explosive combustion of the present invention.
Fig. 2 is the structure chart of explosive combustion device a in Fig. 1.
Fig. 3 is the structure chart of the acoustic resonance cavity b in Fig. 1.
Fig. 4 is the structure chart of the public address set d in Fig. 1.
Fig. 5 is the structure chart of the control system d in Fig. 1.
Fig. 6 is the hardware structure diagram of strong acoustic control device e in control system d in the present invention.
Fig. 7 is the work flow diagram of strong acoustic control device e in control system d in the present invention.
Fig. 8 is the hardware structure diagram of parameter setting apparatus f in control system d in the present invention.
Fig. 9 is the work flow diagram of parameter setting apparatus f in control system d in the present invention.
Specific embodiment
With reference to the accompanying drawing and specific implementation method is described in further details the present invention.
As shown in Figure 1, the present invention is based on the strong generating devices of explosive combustion, comprising:
Explosive combustion device a is produced for periodically carrying out explosive combustion under the control action of controller by explosion
Raw strong acoustical signal.This device includes acetylene cylinder a1, air intake duct a2, mixing chamber a3, initiator a4, detonation chamber a5 and jet pipe
a6.Mixing chamber a3, initiator a4 and detonation chamber a5 are sequentially connected, and mixing chamber a3 is equipped with air intake duct a2, on detonation chamber a5
It is connected with explosive combustion device jet pipe a6；Mixing chamber a3 connects acetylene cylinder by solenoid valve.
As shown in Figure 2.Wherein acetylene cylinder a1 is used to store fuel acetylene needed for explosive combustion device works, and air intake duct a2 is used
In conveying air incoming flow, mixing chamber a3 is controlled mixing and the detonation tube fuel of acetylene and air by the switch of a solenoid valve
Filling, initiator a4 installs an electric plug for detonating in detonation chamber blast wave in initiator.
Explosive combustion device in the present invention by the way of detonating indirectly, by controller control spark plug with lesser point
Fiery energy lights mixed gas, and mixed gas is burnt in a manner of detonation, by a distance, is changed into explosion by detonation, and
It is propagated to detonation chamber a5, detonation chamber a5 is used to realize entire detonation cycle process, its wall surface is periodically in high temperature, high pressure
Among combustion product and low temperature, low pressure reaction product, material selection and Cooling Design are more crucial, and jet pipe a6 is used for will be quick-fried
The strong sound that fried burning generates is sent to acoustic resonance cavity b.
Acoustic resonance cavity b, acoustic resonance cavity are the Acoustic resonance device that length is 8.5mm, as shown in figure 3, for improving explosion
Burner generates the waveform of strong sound, so that the strong acoustical signal raising and lowering process of generated pulse is more smooth, will explode
The high frequency section burnt in strong audio spectrum filters out, and retains the part below 10KHz in its frequency spectrum.
Public address set c, public address set are used to enhance the low-frequency component of Qiang Shengzhong, achieve the purpose that sound enhances, further
Improve acoustical power.Its structure is as shown in Figure 4.
Control system d, control system are made of strong acoustic control device e and parameter setting apparatus f, control explosive combustion control
The starting of device e stops；And the electric quantity monitoring of two devices；The intensity of sound as caused by explosive combustion strong acoustic device
Height constitutes direct harm to operator's health and the sense of hearing, must remotely carry out operation control.Explosive combustion control device e makees
With the parameter for being reception parameter setting apparatus f setting, the starting assigned according to it is ceased and desisted order, and is started or stoped strong sound and is occurred
The work of system, when it loses communication with parameter setting apparatus f, explosive combustion control device e terminates strong sound system automatically
The work of system keeps system controlled.
Therebetween by wireless telecommunications progress signal transmission, since strong sound is to the coup injury of human body and the sense of hearing,
During parameter regulation, must remotely it be operated, structure is as shown in Figure 5.
Wherein, strong acoustic control device e is by battery e1, power supply module e2, processor e3, spark plug driver e4, solenoid valve
Driver e5, wireless communication module e6 and electric quantity monitoring module e7 composition, as shown in Figure 6.Power supply module e2 provides battery e1
Electric energy be converted to 24V needed for electromagnetic valve work electricity, spark plug work needed for 5V electricity, processor work needed for 3.3V electricity；Processing
It is communicated between device e3 and wireless communication module e6 using asynchronous serial bus USART；Spark plug drives the control in processor e3
Get off and export ignition signal, volt high pressures up to ten thousand can be generated in the spark plug e4 course of work, driving must be with the interval of processor
From processor e3 and spark plug drive and carry out interface by PWM between e4；Solenoid-driven e5 be processor e3 and solenoid valve it
Between bridge, by processor export pwm signal be converted to electromagnetic valve work needed for 24V pulse signal；Electric quantity monitoring module
E7 realizes by the additional configuration circuit of special integrated chip, its real-time monitoring battery capacity and by TWI bus and processor e3 into
Row communication, reports monitoring result.
The strong acoustic control device e course of work is as shown in fig. 7, the ginseng that processor real time monitoring wireless communication module is transmitted
Number, explosion starting, the order such as stopping of exploding, carry out command analysis, and execute and order accordingly, by implementing result after execution
Parameter setting apparatus f, processor and electric quantity monitoring module e7 are transmitted to by TWI bus communication by wireless communication mode, are obtained
Strong acoustic control device e real time electrical quantity is taken, and monitoring result is reported to parameter setting apparatus, if battery capacity is too low, in
Battery is protected in the only work of the strong acoustic generator of explosive combustion.
Parameter setting apparatus f carries out human-computer interaction, obtains user and set for showing current strong generating device working condition
Fixed frequency, starting, the parameters such as stopping, and explosive combustion control device e, parameter setting dress are issued to by communicating portion
F real-time monitoring cells electricity is set, charge reminder is proposed by touch screen when the power is insufficient, and control and fill to explosive combustion
It sets e and issues the instruction that stops working, keep explosive combustion control device e controlled always.
By battery f1, power-supply system f2, memory module f3, touch screen drive module f4, touch screen f5, wireless transport module
F6, work indicating module f7 composition, electric quantity monitoring module f8 and parameter setting processor f9, as shown in Figure 8.Wherein, touch screen
Drive module f4 is equipped with touch screen f5, and battery f1 is system bulk supply entrance, and battery f1 is powered and converted by power-supply system f2
For 3.3V, 1.8V, touch screen drive module f4, touch screen f5, wireless transport module f6, electric quantity monitoring mould needed for system storage
5V electricity needed for block f8 work；Memory module is made of nandflash, norflash, sdram, is system (SuSE) Linux OS
Running environment is provided, is interacted between memory module and parameter setting processor f9 by data/address bus and address bus；Touching
Bridge of the screen drive module f4 between parameter setting processor f9 and touch screen f5 is touched, parameter setting processor is total by data
Line and touch screen driving carry out data, command interaction, and further control touch screen carries out input acquisition and output for touch screen driving
Instruction；Touch screen f5 is used for system human-computer interaction, provides good interactive interface, succinct interactive mode facilitates user to carry out
The parameter settings such as explosive combustion frequency, phase, duty ratio, pinking starting, stopping；Wireless transport module f6 is parameter setting apparatus
The bridge communicated between explosive combustion control device e, the real-time, interactive for data such as parameter, control, heartbeats；Work instruction
Module f7 is made of the LED of one group of different colours, is used to indicate system communication state, electricity consumption situation, the strong sound system of explosive combustion
The information such as working condition；Electric quantity monitoring module f8 is monitored for system charge, by special integrated chip and corresponding peripheral circuit
Composition carries out data interaction by TWI bus between each module and parameter setting processor f9.
Device electricity consumption is arranged as shown in figure 9, parameter setting processor gets parms in real time in the parameter setting apparatus course of work
State is sent to touch screen and is shown, when low battery, issues short of electricity by touch screen and reminds, while passing through wireless mould
Block issues explosive combustion system and ceases and desist order, and explosive combustion system works on when anti-locking system powers off suddenly, leads to system not
It is controlled；Processor is inputted by real-time monitoring touch screen, carry out parameter admission simultaneously by touch screen progress human-computer interaction, to
The information such as detonation frequency, phase, the duty ratio of family input carry out timing calculating, and calculated result is sent to by force by wireless module
Acoustic control device e, if user issues the control commands such as explosive combustion starting, stopping by touch screen, processor obtains control life
It enables and is issued by wireless module, in no control command or parameter setting operation, processor sends the heart by wireless module
Immediate skip and controller e keep in communication, meanwhile, processor by wireless module receive controller e return command execution results,
The information such as heartbeat data packets, controller battery capacity carry out corresponding system instruction and prompt operation.
When explosive combustion control device e not enough power supply, the switch in Self-shut electromagnetic valve channel and igniter channel, in
Only strong acoustic generator work, and not enough power supply information is transmitted to parameter setting apparatus f by being wirelessly transferred；Parameter setting apparatus
F monitors self electric quantity by electric quantity monitoring module f8, and when parameter setting apparatus f not enough power supply, display self electric quantity is insufficient, and
Abort signal is occurred into for strong sound by wireless transmission simultaneously, explosive combustion control device e is sent to, by explosive combustion control device
Solenoid valve and ignition switch are closed, strong sound generating system work is stopped.
The strong sound method for generation of explosive combustion, includes the following steps:
1) intake valve on the mixing chamber a3 air intake duct a2 of explosive combustion device a is controlled by explosive combustion control device e,
And open the acetylene valve for being connected to acetylene cylinder, so that fuel and air are mixed in mixing chamber a3 according to certain equivalent proportion, warp
Mixed gas is from mixing chamber a3 to detonation chamber a5, until mixed gas is full of detonation chamber a5, intake valve and acetylene valve are closed
It closes；
2) after a period of time, fire is driven by the spark plug drive module e4 of control system d control explosive combustion control device e
Spark plug ignition；
3) mixed gas lighted start in the form of deflagration burn, by adjust explosive combustion system working frequency come
Strong sound is controlled, to the intake valve and a series of reflected compressional waves of acetylene valve closure section from closing and the pressure propagated to opening
After contracting wave meets, constantly reinforced forming stable C-J blast wave, the followed by a branch of dilatational wave of blast wave is formed multiple
Explosion center generates strong sound；
The working frequency for adjusting explosive combustion system controls strong sound, by adjusting explosive combustion control device electromagnetism valve passage
With the switching frequency in igniter channel, to adjust the strong sound size of explosive combustion system, switching frequency 5Hz < f < 120Hz.
The strong sound generating system of explosive combustion periodically works；
It controls period embodiment in the following areas:
1. the solenoid valve for controlling acetylene and air supply periodically opens closure, the mixed of fuel and air is completed
It closes；
2. spark plug is periodically lighted a fire, explosive combustion is realized.
Practice have shown that explosive combustion number is more in the unit time, that is, explosive combustion frequency is higher, and Qiang Shengyue is big,
Therefore, by adjusting the switching frequency of explosive combustion control device electromagnetism valve passage and igniter channel, to adjust strong sound size.
4) when blast wave reaches jet pipe c, it is filled with high temperature, high-pressure gas in detonation chamber a5, to discharge at a high speed,
The gas and surrounding air of discharge form strong turbulence, generate the strong sound of quadrapole；While exhaust, jet pipe c nozzle is constantly generated
Dilatational wave is propagated into jet pipe c pipe；
5) through the effect of overexpansion shock, over time, the inner and outer boundary's environmental gas parameter of detonation tube 5 reaches balance；
6) it when pressure is lower than fuel-air injection pressure in detonation tube 5, opens mixing valve and carries out next filling, enter
Strong sound circulation next time.
It for length is only 8-8.5mm that the strong generating device of the present invention, which uses acoustic resonance cavity, the total length of strong generating device
In 60-70cm, preferably 60cm.By the switch frequency for adjusting explosive combustion control device electromagnetism valve passage and igniter channel
Rate, to adjust the strong sound size of explosive combustion system, portability is strong, is suitable for mechanic sound testing fatigue, anti-terrorism, agriculture to be a kind of
The strong generating device of the function admirable of the industries such as industry, medical treatment.
The above is only the embodiment that the present invention is applied for the present invention, those skilled in the art can be made more complete
The understanding present invention in face, but any restrictions not are done to the present invention.According to technical solution of the present invention, above-described embodiment can be enumerated very
Many cases.Range given by all technical solutions according to the present invention and it is made to the above embodiment it is any it is simple modification and
Change, belongs to the protection scope of technical solution of the present invention.Largely the experimental results showed that, mentioned in claims of the present invention
Range out, can reach the purpose of the present invention.
Claims (7)
1. a kind of strong generating device based on explosive combustion, which is characterized in that device includes at least:
Explosive combustion device (a), for explosive combustion periodically being carried out, by exploding under the control action of control system (d)
Generate strong acoustical signal；
Acoustic resonance cavity (b) retains in strong audio spectrum for filtering out the high fdrequency component of Qiang Shengzhong produced by explosive combustion device (a)
10KHz frequency component below；
Public address set (c), for enhancing by 10KHz frequency below point in acoustic resonance cavity (b) the processing strong audio spectrum of afterpulse
Amount；
Control system (d) includes parameter setting apparatus (f) and explosive combustion control device (e)；
The parameter setting apparatus (f) inputs for completing the customer parameter including frequency, phase and duty ratio；
The explosive combustion control device (e) starts or stops explosion for receiving the parameter of parameter setting apparatus (f) setting
The work of burner (a)；
The explosive combustion device (a) is separately connected control system (d) and acoustic resonance cavity (b), passes through explosion in control system (d)
Combustion control device (e) receives parameter setting apparatus (f) setup parameter, and control explosive combustion device (a) starts or stops；And lead to
It crosses acoustic resonance cavity (b) and retains 10KHz frequency component below in strong audio spectrum；Enhance acoustic resonance cavity (b) institute through public address set (c)
The strong audio frequency spectral component retained, to realize that the strong sound of low frequency occurs；
The explosive combustion device (a), including it is acetylene cylinder (a1), air intake duct (a2), mixing chamber (a3), initiator (a4), quick-fried
Shake room (a5) and jet pipe (a6)；Mixing chamber (a3), initiator (a4) and detonation chamber (a5) are sequentially connected, mixing chamber (a3)
It is equipped with air intake duct (a2), is connected with explosive combustion device jet pipe (a6) on detonation chamber (a5)；Mixing chamber (a3) passes through electricity
Magnet valve connects acetylene cylinder.
2. the strong generating device according to claim 1 based on explosive combustion, which is characterized in that the explosive combustion control
Device (e) processed includes strong acoustic processor (e3), and be connected with strong acoustic processor (e3) spark plug drive module (e4), battery
Monitoring modular (e7), solenoid valve driving module (e5), communication module (e6) and power supply module (e2), the power supply module (e2) is even
It connects control device battery (e1) and provides power supply for modules.
3. the strong generating device according to claim 1 based on explosive combustion, which is characterized in that the parameter setting dress
Setting (f) includes parameter setting processor (f9), and be connected with parameter setting processor (f9) memory module (f3), touch screen
Drive module (f4), wireless communication module (f6), work indicating module (f7), electric quantity monitoring module (f8) and power-supply system
(f2), the touch screen drive module (f4) is equipped with touch screen (f5), power-supply system (f2) the connection setting unit battery
(f1) power supply is provided for modules.
4. the strong generating device according to claim 1 based on explosive combustion, which is characterized in that the acoustic resonance cavity
(b) length is 8-8.5mm, and the total length of strong generating device is in 60-70cm.
5. a kind of strong sound method for generation of the described in any item strong generating devices based on explosive combustion of claim 1-4,
It is characterized in that, includes the following steps:
1) by explosive combustion control device (e) control explosive combustion device (a) mixing chamber (a3) air intake duct (a2) on into
Air valve is opened, and the acetylene valve for being connected to acetylene cylinder is opened, and fuel and air are in mixing chamber (a3) according to certain equivalent proportion
Mixing, mixed gas from mixing chamber (a3) to detonation chamber (a5) is full of, close by intake valve and acetylene valve；
2) spark plug is then driven by the spark plug drive module (e4) of control system (d) control explosive combustion control device (e)
Igniting；
3) mixed gas is burnt in the form of deflagration, controls strong sound size by adjusting the working frequency of explosive combustion system, and
Stable C-J blast wave and dilatational wave are formed in detonation chamber (a5), are formed multiple explosion centers, are generated strong sound；
4) blast wave reaches jet pipe (c) and surrounding air forms strong turbulence, generates the strong sound of quadrapole；While exhaust, tail spray
Pipe (c) nozzle constantly generates dilatational wave, manages interior propagate to jet pipe (c)；
5) over time, the inner and outer boundary's environmental gas parameter of detonation tube (a5) reaches balance；
6) it when detonation tube (a5) interior pressure is lower than fuel-air injection pressure, opens mixing valve and carries out next filling, enter
Strong sound circulation next time；
7) enter acoustic resonance cavity (b) from the strong sound of explosion that jet pipe comes out, by acoustic resonance cavity (b) by the strong audio spectrum of explosive combustion
In high frequency section filter out, retain the part below 10KHz in its frequency spectrum, by acoustic resonance cavity (b) handle the strong audio frequency of afterpulse
10KHz frequency component below enters public address set in spectrum, and public address set is enhanced and exported to its low frequency part.
6. strong sound method for generation according to claim 5, which is characterized in that in the step 3), by adjusting explosion combustion
The switching frequency of control device electromagnetism valve passage and igniter channel is burnt, to adjust the strong sound size of explosive combustion system, switch
Frequency 5Hz < f < 120Hz.
7. strong sound method for generation according to claim 5, which is characterized in that explosive combustion control device (e) and parameter are set
Determine device (f) real-time monitoring cells electricity；
When explosive combustion control device (e) not enough power supply, the switch in Self-shut electromagnetic valve channel and igniter channel stops
Strong acoustic generator work, and not enough power supply information is transmitted to parameter setting apparatus (f) by being wirelessly transferred；
Parameter setting apparatus (f) monitors self electric quantity by electric quantity monitoring module (f8), when parameter setting apparatus (f) not enough power supply
When, it shows and abort signal is occurred into for strong sound by being wirelessly transmitted to explosive combustion control device (e), by explosive combustion control simultaneously
Device processed closes solenoid valve and ignition switch, stops strong sound generating system work.
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| CN201710349665.7A CN107241668B (en) | 2017-05-17 | 2017-05-17 | A kind of strong generating device and method based on explosive combustion |
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| CN201710349665.7A CN107241668B (en) | 2017-05-17 | 2017-05-17 | A kind of strong generating device and method based on explosive combustion |
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Citations (6)
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| CN101057058A (en) * | 2004-11-11 | 2007-10-17 | 卡拉玛斯福尔斯公司 | Electroacoustic method and device for stimulation of mass transfer process for enhanced well recovery |
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| CN107241668A (en) | 2017-10-10 |
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