CN212460069U

CN212460069U - External node seismograph

Info

Publication number: CN212460069U
Application number: CN202020970848.8U
Authority: CN
Inventors: 程璐瑶; 张二占; 魏长青
Original assignee: Baoding Yongcheng Tianfeng Geophysical Equipment Manufacturing Co ltd
Current assignee: Baoding Yongcheng Tianfeng Geophysical Equipment Manufacturing Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2021-02-02
Anticipated expiration: 2030-06-01

Abstract

The utility model discloses an external node seismograph, wherein an upper gland is fixed at the upper end of a battery accommodating shell, and a plurality of rechargeable batteries are arranged in the rechargeable battery accommodating shell; the lower circuit board is pressed on the upper end of the inner wall of the rechargeable battery accommodating shell through a lower sealing ring; the upper circuit board is pressed in the upper gland through the upper sealing ring; the electric pin base is fixed on the side wall of the upper gland in a sealing way, one end of the signal cable is fixed on the side wall of the upper gland in a sealing way, and the other end of the signal cable is connected with an external plug or an external socket; the signal acquisition and processing system fixed on the upper circuit board and the lower circuit board comprises an instrument positioning system, a signal acquisition circuit, a data processing circuit, a storage circuit and a signal transmitting circuit; the other end of the external socket or the external plug is connected with each detector in series or in parallel through a cable; the signal of each detector is transmitted to a signal acquisition and processing system, amplified, A/D converted, stored and transmitted. The utility model discloses small, light in weight, convenient to carry, the circuit arrangement is simple, and the installation is dismantled efficiently, and the information acquisition reliability is high.

Description

External node seismograph

Technical Field

The utility model relates to a node seismograph.

Background

The existing seismographs used in the exploration industry are generally as follows: a group of detector strings are formed by 12 detectors, one or more groups of detector strings are connected with one collecting station through one large wire (cable), for exploration in a certain range, a plurality of large wires need to be arranged, the collecting stations on the large wires need to be connected with a vehicle-mounted collecting center through cables, signals collected by the collecting stations are transmitted to the vehicle-mounted collecting center, and the vehicle-mounted collecting center collects the signals of the collecting stations and then processes and analyzes the signals. The acquisition station of the seismograph only acquires and transmits the analog signals of all the detectors to the vehicle-mounted acquisition center, and the analog signals are not processed and stored, and are not converted into digital signals, so that the vehicle-mounted acquisition center has large data processing capacity, and once a problem occurs, the information of which acquisition station is not collected timely is not easy to find, and other information sources are not available, so that the acquisition station can only acquire the analog signals again, and time and labor are wasted. Moreover, each acquisition station is connected with the vehicle-mounted acquisition center through cables, so that a large amount of cables occupy a large space and are heavy in weight, a large amount of labor is consumed during installation, arrangement and disassembly of the seismograph, the efficiency is low, and once the cables are not connected, the acquisition and analysis effects are influenced; and the vehicle-mounted acquisition center is required to move along with the replacement of the acquisition area, which is very inconvenient. In a word, the existing seismograph is large in size, inconvenient to carry, complex in circuit arrangement, low in efficiency, poor in information acquisition reliability and high in cost, and a large amount of labor is consumed for installation and disassembly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above-mentioned problem that exists among the prior art, provide a small, light in weight, convenient to carry, the circuit is arranged simply, and the installation is dismantled efficiently, and the information acquisition reliability is high, external node seismograph with low costs.

In order to solve the above problems, the technical solution of the present invention is: an external node seismograph comprises a signal acquisition and processing device, one or more detectors, an external electric plug and an external electric socket matched with the external electric plug; each detector is arranged in the shell, and the lower end of the shell is fixed with a steel tail cone through a spring pad; the signal acquisition and processing device comprises a battery accommodating shell, an upper gland fixed on a boss at the upper end of the battery accommodating shell in a sealing and compression joint manner by the boss, a steel tail cone, an upper circuit board and a lower circuit board for fixing a signal acquisition and processing system, a battery pack consisting of a plurality of rechargeable batteries and an electric pin holder; each rechargeable battery is transversely or vertically arranged in the battery accommodating shell; the lower circuit board is pressed on the rechargeable battery through the lower sealing ring and is pressed on the upper end of the inner wall of the battery accommodating shell; the upper circuit board is pressed in the upper gland through the upper sealing ring; the upper sealing ring and the lower sealing ring are of an integrated structure or a split structure; the side wall of the upper gland is provided with an installation window of an electric plug socket and an installation electric socket of a signal cable, the electric plug socket capable of being connected with a battery charging system is sealed and fixed in the installation window, one end of the signal cable is sealed and fixed in the installation electric socket, and the other end of the signal cable is connected with an external electric plug or an external electric socket; each rechargeable battery is electrically connected with the electric pin socket; the signal acquisition and processing system comprises an instrument positioning system, a signal acquisition circuit, a data processing circuit comprising a power amplification circuit and an A/D conversion circuit, a storage circuit and a signal transmitting circuit; the other end of the external electric socket or the external electric plug matched with the external electric plug or the external electric socket is connected with each detector in series or in parallel through a cable; the electric jack is installed as a signal input end of the signal acquisition circuit; the signal of the signal output end of each detector is sent to a signal acquisition circuit, the signal acquisition circuit is transmitted to a power amplification circuit, the signal is amplified and then transmitted to an A/D conversion circuit to convert an analog signal into a digital signal, and then the digital signal is sent to a storage circuit to be stored and a signal transmitting circuit to be sent out.

Further preferably, the detector is one or more single point detector pools. The single-point detector has small volume, wide test range, high sensitivity, low natural frequency and convenient construction, but is not suitable for exploration of special regions such as deserts and the like.

Further preferably, the detector is a detector string. Is more suitable for exploration of special regions such as deserts and the like.

Further preferably, the external electrical plug and the external electrical socket used in cooperation are a waterproof external electrical plug and a waterproof external electrical socket. Not easy to enter water and long service life.

Preferably, the utility model also comprises a lifting rope, two pairs of through fixing holes are symmetrically arranged on the convex edges of the rechargeable battery holding shell and the upper gland; two ends of the lifting rope are fixed in the two pairs of through fixing holes. The rope is lifted to facilitate the carrying of the detector.

The utility model discloses a signal acquisition processing apparatus is integrated as an organic whole with each section rechargeable battery and upper and lower circuit board, collects seismic signal collection, enlargies, analog-to-digital conversion, storage, wireless transmission and instrument location in an organic whole, has saved the transmission cable who is connected with on-vehicle collection center, and is small, light in weight, convenient to carry, and the circuit arrangement is simple, greatly reduced intensity of labour, the installation is dismantled efficiently, and the information acquisition reliability is high, and is with low costs. The utility model discloses an external wave detector, different regional environment can be according to the external geophone of different forms of requirement of its geological structure, can be the single-point wave detector, also can be the geophone of different cluster form, different models, and the range of application is very wide. The upper circuit board, the lower circuit board, the shell and the upper gland are fixed in a non-rigid mode, damage to the circuit caused by earthquakes is reduced, reliability is higher, and service life is longer.

Drawings

FIG. 1 is a schematic structural diagram of the detector of the present invention being a single-point detector;

FIG. 2 is a schematic diagram of a vertical cross-sectional structure of a signal acquisition and processing system of the present invention;

fig. 3 is a top view of the signal acquisition and processing system of the present invention;

fig. 4 is a circuit block diagram of the middle signal acquiring and processing system of the present invention.

Detailed Description

The invention is further described with reference to the following figures and examples.

As shown in fig. 1, 2, 3 and 4, the present embodiment includes a signal acquisition processing device 1, a single point detector 2 (which may also be a plurality of single point detectors or other geophones), an external electrical plug 3 and an external electrical socket 4 used in cooperation therewith. The single-point detector 2 is arranged in a shell 201, and a steel tail cone 202 is fixed at the lower end of the shell 201 through a spring pad 203. The signal acquisition processing device 1 comprises a battery accommodating shell 110, an upper gland 101, a steel tail cone 109, a battery pack and an electric plug socket 103, wherein the boss of the upper gland 101 is hermetically pressed and fixed on the boss at the upper end of the battery accommodating shell 110 through a sealing ring 105 and a plurality of compression screws 106, the lower end of the battery accommodating shell 110 is fixed through another spring pad 108, and the battery pack and the electric plug socket 103 are formed by upper and

lower circuit boards

111, 104 and 12 rechargeable batteries 107 of a fixed signal acquisition processing system. The 12 rechargeable batteries 107 are horizontally (or vertically) arranged in the battery accommodating shell 110. The lower circuit board 104 is press-fitted to the rechargeable battery 107 via a lower seal ring and is press-fitted to the upper end of the inner wall of the battery housing case 110. The upper circuit board 111 is press-fitted into the upper cover 101 via an upper seal ring. The upper and lower seal rings of this embodiment are integral resilient pads 112. The side wall of the upper gland 101 is provided with an installation window of the electric plug socket 103 and an installation electric socket 114 of the signal cable 5, the electric plug socket 103 which can be connected with a battery charging system is sealed and fixed in the installation window, one end of the signal cable 5 is sealed and fixed in the installation electric socket 114, and the other end of the signal cable is connected with an external electric plug 3 (or an external electric socket). Each rechargeable battery 107 is electrically connected to the electrical receptacle 103. The signal acquisition and processing system comprises an instrument positioning system, a signal acquisition circuit, a data processing circuit comprising a power amplification circuit and an A/D conversion circuit, a storage circuit and a signal transmitting circuit. The other end of an external electric socket 4 (or an external electric plug) matched with the external electric plug 3 (or an external electric socket) is connected with the single-point detector 2 (or a series or parallel single-point detector or other geophones) through another cable 6. The installation electric socket is the signal input part of the signal acquisition circuit. The signal of the signal output end of the single-point detector 2 is sent to a signal acquisition circuit, the signal acquisition circuit is sent to a power amplification circuit, the signal is amplified and then sent to an A/D conversion circuit to convert an analog signal into a digital signal, and then the digital signal is sent to a storage circuit to be stored and sent out by a signal transmitting circuit and then is received and processed by a vehicle-mounted acquisition center. Preferably, the external electrical plug 3 and the external electrical socket 4 used in cooperation are a waterproof external electrical plug and an external electrical socket. Preferably, the utility model also comprises a lifting rope 113, two pairs of through

fixing holes

115 and 116 are symmetrically arranged on the convex edges of the battery accommodating shell 110 and the upper gland 101; the two ends of the lifting rope 113 are fixed in the two pairs of through

fixing holes

115 and 116.

The geophone is externally connected, different types of geophones can be externally connected according to the requirements of geological structures of different regional environments, the geophone can be a single-point geophone, and can also be different types of geophones in a serial-parallel mode, and the application range is wide.

The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.

Claims

1. An external node seismograph comprises one or more detectors, wherein each detector is arranged in a shell, and a steel tail cone is fixed at the lower end of the shell; the method is characterized in that: the device also comprises a signal acquisition and processing device, an external electric plug and an external electric socket which is matched with the signal acquisition and processing device; the signal acquisition and processing device comprises a battery accommodating shell, an upper gland fixed on a boss at the upper end of the battery accommodating shell in a sealing and compression joint manner by the boss, a steel tail cone, an upper circuit board and a lower circuit board for fixing a signal acquisition and processing system, a battery pack consisting of a plurality of rechargeable batteries and an electric pin holder; each rechargeable battery is transversely or vertically arranged in the battery accommodating shell; the lower circuit board is pressed on the rechargeable battery through the lower sealing ring and is pressed on the upper end of the inner wall of the battery accommodating shell; the upper circuit board is pressed in the upper gland through the upper sealing ring; the upper sealing ring and the lower sealing ring are of an integrated structure or a split structure; the side wall of the upper gland is provided with an installation window of an electric plug socket and an installation electric socket of a signal cable, the electric plug socket capable of being connected with a battery charging system is sealed and fixed in the installation window, one end of the signal cable is sealed and fixed in the installation electric socket, and the other end of the signal cable is connected with an external electric plug or an external electric socket; each rechargeable battery is electrically connected with the electric pin socket; the signal acquisition and processing system comprises an instrument positioning system, a signal acquisition circuit, a data processing circuit comprising a power amplification circuit and an A/D conversion circuit, a storage circuit and a signal transmitting circuit; the other end of the external electric socket or the external electric plug matched with the external electric plug or the external electric socket is connected with each detector in series or in parallel through a cable; the electric jack is installed as a signal input end of the signal acquisition circuit; the signal of the signal output end of each detector is sent to a signal acquisition circuit, the signal acquisition circuit is transmitted to a power amplification circuit, the signal is amplified and then transmitted to an A/D conversion circuit to convert an analog signal into a digital signal, and then the digital signal is sent to a storage circuit to be stored and a signal transmitting circuit to be sent out.

2. The external node seismograph of claim 1, wherein: the detector is one or more single point detectors.

3. The external node seismograph of claim 1, wherein: the detector is a detector string.

4. The external node seismograph of claim 1, 2 or 3, wherein: the external electric plug and the external electric socket matched with the external electric plug are a waterproof external electric plug and an external electric socket.

5. The external node seismograph of claim 4, wherein: the rechargeable battery accommodating shell and the convex edge of the upper gland are symmetrically provided with two pairs of through fixing holes; two ends of the lifting rope are fixed in the two pairs of through fixing holes.

6. The external node seismograph of claim 1, 2 or 3, wherein: the rechargeable battery accommodating shell and the convex edge of the upper gland are symmetrically provided with two pairs of through fixing holes; two ends of the lifting rope are fixed in the two pairs of through fixing holes.