CN217765343U - Portable shock wave sensor - Google Patents

Abstract

The utility model relates to a portable shock wave sensor, which is characterized in that the sensor comprises a shell, wherein a data processing system, a triggering system, a signal acquisition system, a power supply system and a display system are arranged in the shell; the data processing system is respectively connected with the triggering system, the signal acquisition system, the power supply system and the display system, the triggering system is used for automatically monitoring whether shock wave signals exist or not, and the signal acquisition system is used for acquiring shock wave acceleration signals and shock wave air pressure signals; data communication system still connects external equipment, electrical power generating system still connects external power source, the utility model discloses can wide application in the experimental field of the ripples protection that shocks resistance of individual, vehicle or building.

Description

Portable shock wave sensor

Technical Field

The utility model relates to a personal, vehicle or building prevent shock wave protection test field, especially about a portable shock wave sensor.

Background

In mining, building blasting, or military operations, an executive, vehicle, or building is often faced with a ballistic threat from the blast (or explosion). In addition to injuries caused by fragments, injuries caused by explosives such as explosives (or ammunition) are often caused by shock waves generated by explosion. The shock wave penetrates through the protective layer to cause a series of complex mechanical or physical injuries to vehicles, electronic equipment and even various typical parts (such as brain, lung and the like) of a human body, wherein the brain injuries with moderate degree and light degree trauma are difficult to be found or detected immediately after the occurrence of the events, but cognitive or motor disorders may occur after weeks or months, so that the optimal medical treatment period is missed, and the treatment effect is influenced. In addition, scientific studies have demonstrated that repeated exposure to overpressure is directly associated with changes in brain structure, increased risk of post-traumatic stress disorder, acceleration of age-related neurological disorders, and the development of symptoms such as concussion. In view of the difficulty in protecting explosive shock waves, a testing and evaluating device capable of monitoring and recording the size of the shock waves in real time is urgently needed to be developed so as to determine whether the traumatic brain injury risks exist and provide data support for timely diagnosis and treatment.

The shock wave pressure signal is a typical non-stationary random signal and is characterized by fast abrupt change and short duration. The killing and destruction effect of the shock wave mainly depends on the overpressure peak value delta P, the specific impulse and the positive pressure acting time. Meanwhile, the three parameters are also important indexes for measuring blasting and injury. At present, the measuring method aiming at the shock wave mainly comprises an equivalent target method, an electrical measurement method, a theoretical calculation method and the like, wherein the equivalent target method is difficult to accurately reflect the parameters of the explosion field, and the precision and the accuracy of the shock wave parameter are to be improved because the test value of the shock wave parameter in the explosion experiment is influenced by various factors. The theoretical calculation method is simple and quick, but for explosives with shells, the calculated value is difficult to effectively correspond to the test value in an actual explosion field. Therefore, in actual testing, an electrical testing method is mostly adopted for actual testing.

Impact measurement can be divided into free field pressure measurement, ground reflection pressure measurement, wall reflection pressure measurement, tunnel pressure measurement and the like according to different test environments. Currently, free field pressure measurement and ground reflection pressure measurement are dominated by electrical measurement methods. The shock wave pressure electric measuring system consists of a pressure sensor, a signal conditioner, a recorder and the like, and the commonly used shock wave pressure sensors can be divided into a piezoresistive type and a piezoelectric type. As is known from literature research, the frequency band of the shock wave pressure signal is wide, and includes frequency components ranging from zero to several tens of kilohertz. Under a destructive condition, due to the particularity of an explosion field, the zero-frequency characteristic and the low-frequency characteristic of the piezoelectric sensor are not ideal, and the parasitic effects such as strong mechanical shock, vibration, thermal action, electromagnetic interference and the like are usually accompanied, so that the parasitic effects cause the parasitic output problem of the sensor; in addition, there are cable line effects and the like when the lead type measurement is adopted. Therefore, a portable shock wave sensor capable of acquiring and recording in real time and realizing wireless transmission is urgently needed to be researched.

Disclosure of Invention

To the above problem, the present invention provides a portable shock wave sensor which can work continuously, is portable, and has data acquisition and transmission functions.

In order to achieve the purpose, the utility model adopts the following technical proposal: a portable shock wave sensor comprises a shell, wherein a data processing system, a triggering system, a signal acquisition system, a power supply system and a display system are arranged in the shell;

the data processing system is respectively connected with the triggering system, the signal acquisition system, the power supply system and the display system, the triggering system is used for automatically monitoring whether shock wave signals exist or not, and the signal acquisition system is used for acquiring shock wave acceleration signals and shock wave air pressure signals;

the power supply system is also connected with an external power supply.

Preferably, the shock wave sensor further comprises a temperature compensation system, and the temperature compensation system is connected with the data processing system and is used for carrying out temperature compensation on the shock wave sensor.

Preferably, the shockwave sensor further comprises a positioning system connected to said data processing system for determining the position of the shockwave sensor.

Preferably, the shock wave sensor further comprises a data communication system, and the data communication system is respectively connected with the data processing system and an external device.

Preferably, the trigger system comprises an acceleration trigger, a button trigger and a stop and wake-up module;

the acceleration trigger and the button trigger are respectively connected with the stopping and awakening module, the stopping and awakening module is connected with the data processing system, the acceleration trigger is used for automatically monitoring whether shock wave signals exist in the environment or not, and sending a trigger signal when the shock wave signals are monitored; the button trigger is used for manual triggering and sending a triggering signal.

Preferably, the acceleration trigger adopts a piezoresistive acceleration trigger of 0g to +/-10 g.

Preferably, the signal acquisition system comprises an acceleration sensor, an air pressure sensor, a signal conditioning module and an analog-to-digital conversion module;

the acceleration sensor is connected with the data processing system and is used for acquiring shock wave acceleration signals; the air pressure sensor is connected with the data processing system through the signal conditioning module and the analog-to-digital conversion module in sequence, and the air pressure sensor is used for collecting shock wave air pressure signals.

Preferably, the acceleration sensor adopts a piezoresistive acceleration sensor of 0g to +/-200 g.

Preferably, the data processing system comprises a micro control unit, a parameter setting module, an RTC clock module, a flash memory module and a data storage module;

the input end of the micro control unit is respectively connected with the stopping and waking module, the acceleration sensor, the analog-to-digital conversion module and the parameter setting module;

the output end of the micro control unit is respectively connected with the data communication system, the power supply system, the display system, the RTC clock module, the flash memory module and the data storage module.

Preferably, the shock wave sensor is provided on a user or on a vehicle.

Preferably, the shell is made of high polymer materials through 3D printing or mould casting.

The utility model discloses owing to take above technical scheme, it has following advantage:

1. the utility model discloses a portable shock wave sensor adopts baroceptor and acceleration sensor to monitor the shock wave signal that produces by the explosion, and relevant data information can rely on the cable or carry out data transmission with wireless mode.

2. The utility model discloses a portable shock wave sensor is small, light in weight just takes the line conveniently, contains rechargeable battery, can carry out long-time off-line collection and storage to data, can various helmets of adaptation, clothes, also can hang in vehicle outer wall or building wall, and easy operation is swift.

3. The utility model discloses a portable shock wave sensor is owing to be provided with temperature automatic compensation system, and the shell possesses waterproof dustproof function, forms effective protection to the circuit, can improve measurement accuracy, and above measure guarantees that sensing explosion source evaluation system can normally work under the shock wave environmental impact.

4. The utility model discloses a portable shock wave sensor adopts piezoresistive superpressure sensing test principle, and the reaction is rapid, and the piezoresistive components and parts in the sensor possess automatic acquisition shock wave superpressure peak value and operating time, functions such as automatic recording shock acceleration, but fast reduction impact flow field, the mechanical response who receives the impact object under the preparation description impact action, for send the assay and for diagnosing fast and provide the foundation, for personnel, vehicle and building etc. send the suggestion of diagnosing fast because of receiving the explosion impact.

To sum up, the utility model discloses can wide application in the shock wave protection test field that shocks resistance of individual, vehicle or building.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Like parts are designated with like reference numerals throughout the drawings. In the drawings:

fig. 1 is a schematic structural diagram of a shock wave sensor according to an embodiment of the present invention;

fig. 2 is a schematic flow chart of a method according to an embodiment of the present invention.

Detailed Description

Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "upper", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

The embodiment of the utility model provides a portable shock wave sensor, portable shock wave sensor with baroceptor, acceleration sensor, processing chip and bluetooth communication system integration together, can gather the explosion shock wave signal that receives such as personnel, vehicle and building, simultaneously, can provide the suggestion of diagnosing fast for personnel, vehicle and building etc..

Example 1

As shown in fig. 1, the present embodiment provides a portable shockwave sensor, which includes a housing, and a triggering system 1, a signal acquisition system 2, a data processing system 3, a data communication system 4, a power supply system 5, and a display system are disposed in the housing.

The data processing system 3 is respectively connected with the trigger system 1, the signal acquisition system 2, the data communication system 4, the power supply system 5 and the display system.

The triggering system 1 is used for automatically monitoring whether shock wave signals exist or not, and when the shock wave signals are received, the signals are sent to the data processing system 3.

The signal acquisition system 2 is used for acquiring shock wave acceleration signals and shock wave air pressure signals based on the control of the data processing system 3, and the acquired shock wave acceleration signals and shock wave air pressure signals are used for providing basis for subsequent injury analysis.

The data processing system 3 is used for controlling the signal acquisition system 2 to acquire or stop according to the preset acquisition time and the received signals, and judging whether the acquired shock wave air pressure signals are in the preset air pressure threshold range of each safety level.

The data communication system 4 is used for communication of the data processing system 3 with the outside.

The power supply system 5 is used for supplying power to the electric components of the shock wave sensor.

And the display system is used for displaying the size and the measurement of the acquired shock wave signal and a safety judgment result in real time.

In a preferred embodiment, the portable shockwave sensor further comprises a temperature compensation system, and the temperature compensation system is connected with the data processing system and used for performing temperature compensation on the shockwave sensor to improve the measurement accuracy.

In a preferred embodiment, the portable shockwave sensor further comprises a positioning system connected to the data processing system for determining the position of the shockwave sensor. Specifically, the positioning system may employ a beidou positioning system.

In a preferred embodiment, trigger system 1, signal acquisition system 2, data processing system 3, data communication system 4, electrical power generating system 5 and display system all integrate and set up on a circuit board, gather the signal earlier and send the structure to external processor for among the prior art, the utility model discloses an integrated structure as an organic whole can confirm and show the collection result fast, directly to can show safe judgement result simultaneously.

In a preferred embodiment, the triggering system 1 comprises an acceleration trigger 11, a button trigger 12 and a stop and wake-up module 13. The acceleration trigger 11 is used for automatically monitoring whether a shock wave signal exists in an environment, and sending a trigger signal to the stopping and waking module 13 when the shock wave signal is monitored. The button trigger 12 is used for manual triggering and sending a trigger signal to the stop and wake-up module 13. The stop and wake-up module 13 is used for sending a signal to the data processing system 3 when receiving a trigger signal of the acceleration trigger 11 or the button trigger 12, so as to wake up or put in a standby state the portable shockwave sensor.

Specifically, the trigger system 1 may actively monitor the shock wave, and may also passively receive the explosion shock wave signal, so that the shock wave signal reaches the signal acquisition system 2 and starts to be acquired.

Specifically, the acceleration trigger 11 may adopt a small-range piezoresistive acceleration trigger of 0g to ± 10 g. More specifically, the acceleration trigger 11 has a working temperature of-40 ℃ to +85 ℃, a resolution of ± 1mg, a size of 3mm × 3.25mm × 1mm, and a motion awakening capture function.

In a preferred embodiment, the signal acquisition system 2 includes an acceleration sensor 21, an air pressure sensor 22, a signal conditioning module 23, and an analog-to-digital conversion module 24, and the acceleration sensor 21 and the analog-to-digital conversion module 24 are respectively connected to the data processing system 3. The air pressure sensor 22 is used for collecting shock wave air pressure signals, the acceleration sensor 21 is used for collecting shock wave acceleration signals, and overpressure signals of shock waves can be accurately measured through the air pressure sensor 22 and the acceleration sensor 21. The signal conditioning module 23 is configured to amplify and filter the air pressure signal collected by the air pressure sensor 22. The analog-to-digital conversion module 24 is configured to convert the conditioned analog air pressure signal into a digital air pressure signal.

Specifically, the air pressure sensor 22 may employ a resistive pressure sensor.

Specifically, the acceleration sensor 21 is connected to the data processing system 3 in an SPI (serial peripheral interface) communication mode, and the acquired acceleration signal is directly transmitted to the data processing system 3 for processing.

Specifically, the acceleration sensor 21 may employ a wide-range piezoresistive acceleration sensor of 0g to ± 200g for damage evaluation. More specifically, the acceleration sensor 21 has an operating temperature of-40 ℃ to +85 ℃, a frequency response of >1kHz, a nonlinearity of <0.25% FS, and a size of 3mm x 5mm x 1mm.

Specifically, the analog-to-digital conversion module 24 may adopt an AD sampling chip with 12bit and a maximum sampling rate greater than 1Msps, and the high-speed AD chip enables the portable shock wave sensor to react quickly and has high measurement accuracy.

In a preferred embodiment, a parameter setting module, an MCU micro control unit 31, an RTC clock module 32, a flash memory module 33 and a data storage module are disposed in the data processing system 3. The parameter setting module is used for presetting the air pressure threshold range and the acquisition time of each safety level, and the safety level can comprise safety without treatment, simple rescue and danger. The MCU 31 is used for controlling the signal acquisition system 2 to acquire or stop according to preset acquisition time and signals sent by the stop and wake-up module 13; the MCU micro control unit 31 is further configured to compare and determine the peak value of the received digital air pressure signal with the preset air pressure threshold ranges of each safety class, and send a corresponding signal to the display system, where the display system uses display lamps of different colors to display a safety determination result, so as to provide an indication for follow-up actions, and in addition, when the peak value of the digital air pressure signal is not within the air pressure threshold range of each safety class, the MCU micro control unit 31 controls the signal acquisition system 2 to stop acquiring. The RTC clock module 32 is used to record the time when the data starts. The flash memory module 33 is used for recording data automatically stored after triggering. The data storage module is used for storing the digital air pressure signal sent by the signal acquisition system 2.

Specifically, the air pressure threshold ranges of different safety levels can be set according to different wearing positions of the portable shock wave sensor, for example:

when the portable shock wave sensor is worn on the head (close to the ear area), the air pressure threshold range of the first safety level is 0-35 kPa, and a display system displays a green light within the air pressure threshold range, so that safety is realized without treatment; the air pressure threshold range of the second safety level is 35-200 kPa, and the display system displays a yellow light within the air pressure threshold range to indicate that simple rescue is needed; the air pressure threshold range of the third safety level is more than 200kPa, and the display system displays a red light within the air pressure threshold range to indicate danger; when the portable shock wave sensor is worn on the lung/chest, the air pressure threshold range of the first safety level is 0-276 kPa, and a display system displays a green light within the air pressure threshold range, so that safety and no need of treatment are indicated; the air pressure threshold range of the second safety level is 276-400 kPa, and a display system displays a yellow light within the air pressure threshold range to indicate that simple rescue is needed; the third safety level has an air pressure threshold range of over 400kPa within which the display system displays a red light indicating a hazard. The MCU micro control unit 31 compares the peak value of the shock wave air pressure signal acquired by the signal acquisition system 2 and born by the vehicle with the air pressure threshold range of each safety level set correspondingly, and sends the corresponding signal to the display system, the display system receives the signal and displays the prompting lamps with different colors according to the standard, so as to prompt the safety level of the shock wave air pressure signal and flash prompt, so as to display the size and the metering amplitude of different shock wave signals, when the red light is displayed, the MCU micro control unit can remind the relevant personnel and the vehicle which are worn to be unsafe, and can provide the basis and the data support for quick diagnosis and treatment for injured personnel and medical workers. And the collected delta P-t curve data can be sent to an external terminal computer or a mobile phone through the data communication system 4 for further detailed analysis.

Specifically, the data processing system 3 may employ an MCU microcontrol unit 31 (MCU microcontrol unit).

Specifically, the MCU micro control unit 31 adopts a 32bit, 64MHz MCU micro control unit 31.

In a preferred embodiment, the data communication system 4 comprises a first USB interface and a bluetooth communication module. The first USB interface is used for connecting an external terminal computer or a mobile phone and receiving or downloading data. The Bluetooth communication module is used for connecting a Bluetooth with an external terminal computer or a mobile phone to receive or download data. Specifically, the received data is relevant data of the shock wave, including overpressure peak values, action time, acceleration values and the like.

In a preferred embodiment, the power supply system 5 comprises a second USB interface 51 and a rechargeable battery 52. The second USB interface 51 is used to connect an external power supply to supply power to the electric components of the shock wave sensor. The rechargeable battery 52 is used for directly supplying power to various electric components of the shock wave sensor, and the rechargeable battery 52 is also connected with the second USB interface 51 and is charged by an external power supply.

In a preferred embodiment, the display system can adopt a mobile phone or a computer terminal.

In a preferred embodiment, the housing is formed by 3D printing or mold casting based on a polymer material to ensure that the sensor operates properly in a shock wave environment. The outer side of the shell is subjected to water repellent treatment so as to have the functions of water resistance, dust resistance and the like, and the circuit in the shell can be protected. The shell can also be rapidly molded by adopting a 3D printing mode. The shape and the color of the shell can be selected according to actual conditions, and a combined bandage, a hanging rope or a nylon adhesive tape can be arranged according to actual carrying and hanging requirements, so that the shell can be conveniently carried, hung and loaded.

In a preferred embodiment, the shockwave sensor may be provided on the user, for example: the user carries three shock wave sensors which are respectively arranged on the head, the right chest and the shoulders and have the same orientation. After the signal acquisition system 2 acquires the shockwave signal, the location information of the explosive source may be determined by the shockwave signals acquired by the three signal acquisition systems 2, and the specific content is described in detail in the following embodiment 2.

In a preferred embodiment, the shock wave sensor can be arranged on a vehicle, after the signal acquisition system 2 acquires the shock wave signal, the data processing system 3 analyzes the shock wave signal to obtain the damage condition of the vehicle, so that the required maintenance cost can be analyzed, the manpower can be greatly saved, and the safety of the vehicle can be ensured. Specifically, the damage condition of the vehicle caused by different shock wave sizes can be determined by adopting an air shock wave dynamic pressure load theory, a dynamic pressure damage mechanism, ground influence factors and the like according to the existing experimental data and shock wave signals, and the vehicle damage condition can be analyzed according to the monitored shock wave signal size.

Example 2

As shown in fig. 2, the present embodiment provides a testing method of a portable shockwave sensor, including the following steps:

1) Whether there is the shock wave signal in the automatic monitoring environment of trigger system 1, when receiving the shock wave signal, send signal to data processing system, data processing system control signal acquisition system 2 opens, specifically is:

the acceleration trigger 11 automatically monitors whether a shock wave signal exists in the environment, and sends a trigger signal to the stopping and waking module 13 when the shock wave signal is monitored; or, the button trigger 12 is triggered manually, the button trigger 12 sends a trigger signal to the stop and wake-up module 13, and when the stop and wake-up module 13 receives the trigger signal of the acceleration trigger 11 or the button trigger 12, the stop and wake-up module sends a signal to the data processing system 3, and the data processing system controls the signal acquisition system 2 to start.

2) The signal acquisition system 2 acquires shock wave acceleration signals and shock wave air pressure signals and sends the shock wave acceleration signals and the shock wave air pressure signals to the data processing system 3, and the method specifically comprises the following steps:

2.1 Acceleration sensor 21 collects shock wave acceleration signals and sends them directly to data processing system 3.

2.2 Air pressure sensor 22 collects shock wave air pressure signals, signal conditioning module 23 amplifies and filters the air pressure signals collected by air pressure sensor 22, and analog-to-digital conversion module 24 converts the conditioned analog air pressure signals into digital air pressure signals and sends the digital air pressure signals to data processing system 3.

3) The data processing system 3 compares the collected shock wave air pressure signal with the preset air pressure threshold value range of each safety level, and sends a corresponding signal to the display system to display a safety judgment result, which specifically comprises the following steps:

3.1 ) the parameter setting module presets an air pressure threshold range of each safety level.

3.2 The MCU 31 compares the air pressure threshold range of each safety level with the peak value of the digital air pressure signal, and controls the signal acquisition system 2 to stop acquiring if the shock wave air pressure signal is not in the air pressure threshold range of each safety level; otherwise, the signal acquisition system 2 is controlled to continue acquisition.

3.3 Display system displays the contrast result using display lamps of different colors according to the received signal.

3.4 The RTC clock module 32 records the time when the data starts in real time.

3.5 The flash memory module 33 records data automatically stored after the triggering in real time.

3.6 The data storage module stores shock wave acceleration signals and shock wave air pressure signals sent by the signal acquisition system 2.

4) The shock wave acceleration signals and the shock wave air pressure signals collected by the signal collecting system 2 are sent to an external terminal computer or a mobile phone through the data communication system 4, and the display system displays the collected shock wave acceleration signals and the shock wave air pressure signals in real time.

5) When the preset acquisition time is reached, the data processing system 3 controls the signal acquisition system 2 to stop acquiring, or when the trigger system 1 does not monitor the shock wave signal any more, the trigger is stopped, and the shock wave sensor enters a standby state to reduce power consumption.

The above embodiments are only used for explaining the present invention, wherein the structure, connection mode, manufacturing process, etc. of each component can be changed, and all the equivalent transformations and improvements performed on the basis of the technical solution of the present invention should not be excluded outside the protection scope of the present invention.

Claims (10)

1. A portable shock wave sensor is characterized by comprising a shell, wherein a data processing system, a triggering system, a signal acquisition system, a power supply system and a display system are arranged in the shell;

the data processing system is respectively connected with the triggering system, the signal acquisition system, the power supply system and the display system, the triggering system is used for automatically monitoring whether shock wave signals exist or not, and the signal acquisition system is used for acquiring shock wave acceleration signals and shock wave air pressure signals;

the power supply system is also connected with an external power supply.

2. A portable shockwave sensor according to claim 1 and further comprising a temperature compensation system coupled to said data processing system for temperature compensating said shockwave sensor.

3. A portable shockwave sensor as in claim 1 further comprising a positioning system connected to said data processing system for determining the location of said shockwave sensor.

4. A portable shockwave sensor according to claim 1 and further comprising a data communication system, said data communication system being connected to said data processing system and to an external device, respectively.

5. The portable shockwave sensor of claim 4 wherein said trigger system comprises an acceleration trigger, a button trigger and a stop and wake-up module;

the acceleration trigger and the button trigger are respectively connected with the stopping and awakening module, the stopping and awakening module is connected with the data processing system, the acceleration trigger is used for automatically monitoring whether shock wave signals exist in the environment or not, and sending triggering signals when the shock wave signals are monitored; the button trigger is used for manual triggering and sending a triggering signal.

6. A portable shockwave sensor according to claim 5 and wherein said acceleration trigger is a piezoresistive acceleration trigger of between 0g and ± 10 g.

7. The portable shockwave sensor of claim 5 wherein said signal acquisition system comprises an acceleration sensor, a barometric pressure sensor, a signal conditioning module, and an analog-to-digital conversion module;

the acceleration sensor is connected with the data processing system and is used for acquiring shock wave acceleration signals; the air pressure sensor is connected with the data processing system through the signal conditioning module and the analog-to-digital conversion module in sequence, and the air pressure sensor is used for collecting shock wave air pressure signals.

8. The portable shockwave sensor of claim 7 wherein said acceleration sensor is a piezoresistive acceleration sensor of between 0g and ± 200 g.

9. The portable shockwave sensor of claim 7, wherein said data processing system comprises a micro-control unit, a parameter setting module, an RTC clock module, a flash memory module, and a data storage module;

the input end of the micro control unit is respectively connected with the stopping and awakening module, the acceleration sensor, the analog-to-digital conversion module and the parameter setting module;

the output end of the micro control unit is respectively connected with the data communication system, the power supply system, the display system, the RTC clock module, the flash memory module and the data storage module.

10. The portable shockwave sensor of claim 1 wherein said housing is formed from a polymeric material by 3D printing or die casting.

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