阅读说明：本技术 基于gps授时的气爆震源激发装置及激发方法 (Gas explosion seismic source excitation device and method based on GPS time service ) 是由 谷伟 于 2019-10-15 设计创作，主要内容包括：本发明公开了一种基于GPS授时的气爆震源激发装置及激发方法,其中,该装置包括微控制器、点火模块,GPS授时模块、电源模块和高压模块,所述微控制器外部设置有控制面板,用以进行记录数据及引爆控制,所述微控制器分别连接有GPS授时模块、高压模块和点火模块,所述GPS授时模块与至少1颗卫星电信号连接,所述GPS授时模块通过所述微控制器同步授时所述点火模块,所述电源模块与所述高压模块连接,所述高压模块通过导线连接有所述点火模块。GPS授时模块,实现整个装置的工作以UTC时间为准,满足国际地震记录时间的通用要求,不仅提高了工作效率,而且降低了危险性。(The invention discloses a gas explosion seismic source excitation device based on GPS time service and an excitation method, wherein the device comprises a microcontroller, an ignition module, a GPS time service module, a power supply module and a high-voltage module, a control panel is arranged outside the microcontroller and used for recording data and controlling detonation, the microcontroller is respectively connected with the GPS time service module, the high-voltage module and the ignition module, the GPS time service module is connected with at least 1 satellite electric signal, the GPS time service module synchronously times the ignition module through the microcontroller, the power supply module is connected with the high-voltage module, and the high-voltage module is connected with the ignition module through a lead. The GPS time service module realizes that the work of the whole device is based on UTC time, meets the general requirement of international seismic recording time, improves the working efficiency and reduces the danger.)

1. The utility model provides a gas explosion focus excitation device based on GPS time service which characterized in that: the ignition device comprises a microcontroller, an ignition module, a GPS time service module, a power supply module and a high-voltage module, wherein a control panel and a display are arranged outside the microcontroller and used for recording data and controlling detonation, the microcontroller is respectively connected with the GPS time service module, the power supply module, the high-voltage module and the ignition module, the GPS time service module is connected with at least 1 satellite electric signal, the GPS time service module passes through the synchronous time service of the microcontroller, the ignition module is connected with the high-voltage module and the GPS time service module, and the high-voltage module is connected with the ignition module through a wire.

2. The gas explosion source excitation device based on GPS time service of claim 1, which is characterized in that: the power supply module comprises a power supply conversion module and a battery, and the battery is converted into a direct-current power supply through the power supply conversion module to supply power to the GPS time service module, the microcontroller and the high-voltage module.

3. The gas explosion source excitation device based on GPS time service of claim 1, which is characterized in that: the ignition module is internally provided with an ignition element.

4. The gas explosion source excitation device based on GPS time service of claim 1, which is characterized in that: the GPS time service module is connected with at least 4 satellite electric signals.

5. The gas explosion seismic source excitation device based on GPS time service according to claim 1 or 4, wherein the GPS time service module is a plug-and-play GPS time service module.

6. The gas explosion source excitation device based on GPS time service of claim 1, which is characterized in that: and a storage module is arranged in the microcontroller.

7. A gas explosion seismic source excitation method based on GPS time service is realized by applying the GPS time service gas explosion seismic source excitation device of any one of claims 1-6, and the excitation method comprises the following steps:

s1, the GPS time service module acquires a standard time signal from the satellite and is used for providing time for the ignition module, so that the clock of the ignition module is always synchronous with the clock of the GPS time service module;

s2, the microcontroller obtains a clock synchronization signal of the GPS time service module, ignition time is set through the control panel and the display, and the display displays the set peak value and width of the detonation voltage;

s3, when the ignition time is up, the microcontroller gives an ignition signal to the high-voltage module;

s4, the high-voltage module outputs ignition current through the power module, and the current excites an ignition element of the ignition module through a lead to carry out ignition blasting;

and S5, the microcontroller is internally provided with a storage module for recording and storing the ignition parameters of each time.

8. The gas explosion source excitation method based on GPS time service as claimed in claim 7, wherein: in step S2, the GPS time service module is connected to at least 4 satellite electrical signals to calculate the three-dimensional position of the GPS receiver and send the three-dimensional position information to the microcontroller, and the microcontroller receives the position information and displays the GPS coordinates through the display.

9. The gas explosion source excitation method based on GPS time service as claimed in claim 7, wherein: in step S4, the power module includes a power conversion module and a battery, the battery converts the power from the power conversion module into a dc power and supplies power to the high voltage module, the dc power outputs a high voltage current through the high voltage module, and the high voltage current excites an ignition element in the ignition module through a wire, so as to ignite and excite explosion.

Technical Field

The invention relates to the technical field of seismic exploration, in particular to a gas explosion seismic source excitation device and method based on GPS time service.

Background

The gas explosion source is a new type of artificial air gun source, and is produced by introducing combustible gas such as methane, oxygen or air mixture into an explosion chamber, initiating with electric spark, coupling with surrounding medium to directly produce shock wave, or using gas explosion product to drive heavy object to impact ground to produce shock wave, and can be used in sea or land. Other gases, such as ammonia and some nitrogen carbon compounds, may also be used as the combustible gas. The products of the seismic source are water and a small amount of carbon dioxide, initiating explosive does not need detonators and other initiating explosive products, and the seismic source is a green environmental-friendly seismic source which can replace the traditional explosive and is also a non-explosive seismic source with higher seismic energy.

The detection of subsurface structures using artificial seismic sources, one of the most important tasks is to obtain the location and time of the source excitation. In the traditional seismic exploration operation, a wired seismic detector is mainly adopted to arrange measuring lines of several kilometers or even dozens of kilometers, a seismic acquisition vehicle controls an explosive blasting machine to detonate and excite in a wired or wireless mode, and the excitation time is provided by the system time of the seismic acquisition vehicle. The detectors of the traditional seismic exploration mode need to be connected by cables, and the workload of arrangement and recovery is extremely large. With the progress of the technology, the node type geophone which does not need to be connected with a cable and does not need to be followed by a seismic acquisition vehicle is provided with a battery and a recording module, seismic waves can be continuously recorded for more than ten days during working, the limitation of cables is avoided, the deployment is flexible, and the working intensity of seismic exploration is greatly reduced. The node type geophone is matched with a novel gas explosion seismic source, so that three-dimensional seismic exploration can be carried out, and three-dimensional imaging can be carried out on an underground structure. But must be matched with a gas detonation source firing initiation device that provides accurate firing location and timing.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a gas explosion seismic source excitation device and an excitation method based on GPS time service so as to solve the technical problem that the existing gas explosion seismic source cannot meet the requirement on the precision of time synchronization in the aspect of facing a novel node instrument.

The purpose of the invention is realized by the following technical scheme:

the utility model provides a gas explosion focus excitation device based on GPS time service, includes microcontroller, ignition module, GPS time service module, power module and high-pressure module, the microcontroller outside is provided with control panel and display for carry out record data and detonation control, microcontroller is connected with GPS time service module, power module, high-pressure module and ignition module respectively, GPS time service module and 1 at least satellite electric signal connection, GPS time service module passes through the synchronous time service of microcontroller ignition module, power module respectively with high-pressure module, GPS time service module are connected, high-pressure module is connected with through the wire ignition module.

Furthermore, the power module comprises a power conversion module and a battery, and the battery is converted into a direct current power supply through the power conversion module to supply power to the GPS time service module, the microcontroller and the high-voltage module.

Further, the ignition module is internally provided with an ignition element.

Furthermore, the GPS time service module is connected with at least 4 satellite electric signals and used for calculating the three-dimensional position of the GPS time service module.

Furthermore, the GPS time service module is a plug-and-play GPS time service module.

Further, a storage module is arranged in the microcontroller.

A GPS time service-based gas explosion seismic source excitation method is realized by applying the GPS time service gas explosion seismic source excitation device of any one of the preceding claims, and the excitation method comprises the following steps:

s1, the GPS time service module acquires a standard time signal from the satellite and is used for providing time for the ignition module, so that the clock of the ignition module is always synchronous with the clock of the GPS time service module;

s2, the microcontroller obtains a clock synchronization signal of the GPS time service module, ignition time is set through the control panel and the display, and the display displays the set peak value and width of the detonation voltage;

s3, when the ignition time is up, the microcontroller gives an ignition signal to the high-voltage module;

s4, the high-voltage module outputs ignition current through the power module, and the current excites an ignition element of the ignition module through a lead to carry out ignition blasting;

and S5, the microcontroller is internally provided with a storage module for recording and storing the ignition parameters of each time.

Further, in step S2, the GPS time service module is connected to at least 4 satellite electrical signals to calculate the three-dimensional position of the GPS time service module, and sends the three-dimensional position information to the microcontroller, and the microcontroller receives the position information and displays the GPS coordinates through the display.

Further, in step S4, the power module includes a power conversion module and a battery, the battery is converted into a dc power by the power conversion module and supplies power to the high voltage module, the dc power outputs a high voltage current through the high voltage module, and the high voltage current excites an ignition element in the ignition module through a conducting wire, so as to perform ignition and explosion.

The invention has the beneficial effects that:

(1) the invention is based on a microcontroller, an ignition module, a GPS time service module, a power supply module, a high-voltage module and the like, can synchronously time service the ignition module by the GPS time service module, the ignition module and the like, and output current by the high-voltage module, and the current excites the ignition module to explode through a lead. The GPS time service module acquires a standard time signal from a satellite and is used for providing time for the igniter, so that the clock of the igniter is synchronous with the GPS clock all the time. The GPS time service module realizes that the work of the whole device is based on UTC time, meets the general requirement of international seismic recording time, improves the working efficiency and reduces the danger. In addition, the GPS time service module is adopted to synchronize the time service ignition module, and a novel node seismic instrument is fully matched, so that the time synchronization precision of the GPS time service ignition module and the node seismic instrument is greatly improved, and meanwhile, an accurate excitation position can be obtained.

(2) The invention has the following functions:

1. the GPS time service module is used for realizing that the work of the whole device is based on UTC time and meeting the general requirement of international seismic recording time;

2. the GPS time service module receives at least 4 satellite signals, is used for calculating the three-dimensional position of the GPS time service module, and sends the three-dimensional position information to the microcontroller;

3. the GPS time service module is a plug-and-play GPS time service module.

(3) The invention has the following advantages: the cost is reduced, and the GPS time service module can be used in a plug-and-play mode; the time synchronization precision is improved; obtaining an accurate excitation position; the working efficiency is improved, and meanwhile, the danger is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an electrical block diagram of a GPS time service gas explosion seismic source excitation device provided by the present invention;

FIG. 2 is a flow chart of a GPS time service gas explosion seismic source excitation method provided by the invention.

In the figure, 1-microcontroller, 11-control panel, 12-display, 2-GPS time service module, 3-satellite, 4-high voltage module, 5-ignition module, 51-ignition element, 6-power module, 61-battery and 62-power conversion module.

Detailed Description

The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following. Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Before describing the embodiments, some necessary terms need to be explained. For example:

if the terms "first," "second," etc. are used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. Thus, a "first" element discussed below could also be termed a "second" element without departing from the teachings of the present invention. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly connected" or "directly coupled" to another element, there are no intervening elements present.

The various terms appearing in this application are used for the purpose of describing particular embodiments only and are not intended as limitations of the invention, with the singular being intended to include the plural unless the context clearly dictates otherwise.

When the terms "comprises" and/or "comprising" are used in this specification, these terms are intended to specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence and/or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

As shown in fig. 1, a gas explosion seismic source excitation device based on GPS time service, including microcontroller 1, ignition module 5, GPS time service module 2, power module 6 and high-voltage module 4, microcontroller 1 is internally provided with a storage module, microcontroller 1 is externally provided with control panel 11 and display 12 for data recording and detonation control, microcontroller 1 is connected with GPS time service module 2, high-voltage module 4 and ignition module 5 respectively, GPS time service module 2 is connected with at least 1 satellite 3 electrical signal, GPS time service module 2 is through synchronous time service ignition module 5 of microcontroller 1, power module 6 is connected with high-voltage module 4, GPS time service module 2 respectively, high-voltage module 4 is connected with ignition module 5 through the wire, wherein, ignition element 51 is built-in ignition module 5.

In a preferred embodiment, the GPS time service module 2 is electrically connected to at least 4 satellites 3 for calculating the three-dimensional position of the user.

For convenience of use, the GPS time service module 2 is a plug-and-play GPS time service module.

The power module 6 comprises a power conversion module 62 and a battery 61, and the battery 61 is converted into a direct current power supply through the power conversion module 62 to supply power to the GPS time service module 2, the microcontroller 1 and the high voltage module 4.

As shown in fig. 2, a GPS time service based gas explosion seismic source excitation method is implemented by applying the GPS time service gas explosion seismic source excitation device according to any one of the preceding claims, and the excitation method includes the following steps:

s1, the GPS time service module acquires a standard time signal from the satellite and is used for providing time for the ignition module, so that the clock of the ignition module is always synchronous with the clock of the GPS time service module, and the time is accurate to 1 ms;

s2, the microcontroller obtains a clock synchronization signal of the GPS time service module, ignition time is set through the control panel and the display, and the display displays the set peak value and width of the detonation voltage;

s3, when the ignition time is up, the microcontroller gives an ignition signal to the high-voltage module;

s4, the high-voltage module outputs ignition current through the power module, and the current excites an ignition element of the ignition module through a lead to carry out ignition blasting;

and S5, a storage module is arranged in the microcontroller, and the ignition parameters are recorded and stored every time, so that the ignition parameters can be conveniently read in the future to serve as engineering construction report references. The ignition parameters comprise information such as an excitation position, excitation time, an ignition power supply, pulse width and the like.

As a preferred implementation method, in step S4, the power module includes a power conversion module and a battery, the battery is converted into a dc power by the power conversion module and supplies power to the high voltage module, the dc power outputs a high voltage current through the high voltage module, and the high voltage current excites an ignition element in the ignition module through a conducting wire, so as to perform ignition and explosion.

In step S2, based on the actual requirement, on the basis of the time synchronization of the GPS time module, to further obtain the three-dimensional position, the GPS time module is connected to at least 4 satellite electrical signals to calculate the three-dimensional position of the GPS time module and send the three-dimensional position information to the microcontroller, and the microcontroller receives the position information and displays the GPS coordinates (position accuracy 2.5m) via the display. In addition, after the position of the GPS time service module is obtained, the GPS time service module can ensure the time-lapse accuracy of the clock as long as the GPS time service module receives 1 satellite signal, so that the GPS time service precision is improved.