CN215867155U - One-sending three-component radio wave receiving device - Google Patents
One-sending three-component radio wave receiving device Download PDFInfo
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- CN215867155U CN215867155U CN202121896098.5U CN202121896098U CN215867155U CN 215867155 U CN215867155 U CN 215867155U CN 202121896098 U CN202121896098 U CN 202121896098U CN 215867155 U CN215867155 U CN 215867155U
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Abstract
The utility model discloses a three-component radio wave receiving device, which comprises a main receiver, two slave receivers and three receiving coils, wherein the main receiver is connected with the two slave receivers through a power line; the three receiving coils are respectively connected with the main receiver and the two slave receivers in a one-to-one correspondence manner, and planes where the three receiving coils are respectively located are mutually vertical in pairs in space, and are used for receiving radio waves in the respective axial direction and feeding back the radio waves to the respectively connected main receiver or slave receiver; the main receiver and the two slave receivers realize synchronous reception of the three through data transmission of the synchronization module I and the synchronization module II, and the frequencies, amplitudes and phases of radio waves received by the three receivers are the same and only differ in the propagation direction of the radio waves; therefore, the data volume of the field intensity of the radio wave of the receiving point in X, Y, Z three directions can be obtained, the data volume of the radio wave signal received at the position can be effectively improved, and the detection precision of the position of the geological anomalous body obtained after analysis and processing can be further ensured according to the data.
Description
Technical Field
The utility model belongs to the technical field of mine exploration, and particularly relates to a one-shot three-component radio wave receiving device.
Background
In the process of mining coal seams or mineral deposits, the working space in which coal or mineral is directly extracted is generally referred to as a stope or simply a stope. In the process of stoping a stope face of a coal mine or an ore deposit, geological abnormal bodies such as faults, coal seam thinning areas, collapse columns, water-rich areas and the like influence the stope progress and safe production of the stope face, and usually, before stope, pit penetration detection needs to be carried out on the stope face so as to find the occurrence condition of the geological abnormal bodies in the stope face.
The radio wave perspective method is one of the widely applied detection methods, when radio waves propagate in a mining working face and encounter geological abnormal areas such as faults, coal seam thickness change areas, collapse columns, water-rich areas and the like, refraction, reflection, diffraction, scattering, absorption and the like can occur due to different propagation media, and the energy of the radio waves can be obviously weakened. Analysis of the radio waves received on the other side of the stope enables analysis of the internal structure of the stope and its abnormal features.
In the prior art, a radio wave perspective transmitter is usually installed in a roadway of a stope face, and a radio wave perspective receiver is installed in a roadway of the other side of the stope face. The radio wave perspective receiver device in the prior art comprises a control module, a human-computer interface, a receiving module and a receiving antenna, wherein the control module controls the receiving module to receive a wireless signal according to an operation instruction received by the human-computer interface. And starting the radio wave perspective transmitter and the radio wave perspective receiver, wherein the transmitter transmits radio waves, the radio waves penetrate through the stope face after being transmitted in the stope face and are received by the radio wave perspective receiver through the receiving antenna, and at the moment, the radio wave perspective receiver can analyze received radio wave signals to obtain the condition of geological abnormal bodies in the stope face.
However, the radio wave transmission receiver receiving apparatus having the above-described conventional configuration has the following disadvantages: the direction of the radio wave signals received by the radio wave perspective receiving device is relatively single, only the radio wave signals with receiving coils arranged in parallel to a roadway can be received, the application effect is poor, and the popularization and the application of the radio wave perspective technology are restricted. The reasons for the problems are mainly: at present, a receiver of a radio wave transmission transmitter is connected with a receiving coil, the receiving coil is parallel to a roadway, and therefore radio wave signals placed by a single coil can only be measured on two measuring lines of the roadway of a working face, so that the obtained radio wave signals are small in data amount and inconvenient to analyze, the data amount is small, the precision is greatly reduced, the accuracy is low, and the working face is not easy to find due to abnormality.
Disclosure of Invention
In view of the above problems in the prior art, the present invention provides a three-component radio wave receiving apparatus, which can receive radio waves transmitted from multiple directions at the same receiving location, effectively increase the data volume of radio wave signals received at the location, and further ensure the accuracy of radio wave penetration detection.
In order to achieve the purpose, the utility model adopts the technical scheme that: a three-component radio wave receiving device comprises a main receiver, two slave receivers and three receiving coils;
the main receiver comprises a human-computer interface I, a control module I, a receiving module I and a synchronization module I, wherein the human-computer interface I is connected with the control module I and is used for inputting radio wave parameters to be received to the control module I; the receiving module I is connected with the control module I and used for receiving the radio waves of the parameters determined by the control module I and transmitting the radio wave magnetic field component signals of the parameters to the control module I for storage; the synchronization module I is connected with the control module I and used for receiving a control instruction sent by the control module I and sending synchronization signals to the two slave receivers so that the two slave receivers and the master receiver synchronously receive radio waves;
the two slave receivers respectively comprise a human-computer interface II, a control module II, a receiving module II and a synchronization module II, wherein the human-computer interface II is connected with the control module II and is used for inputting radio wave parameters which are the same as those of the control module I into the control module II; the receiving module II is connected with the control module II and used for receiving the radio waves of the parameters determined by the control module II and transmitting the radio wave magnetic field component signals of the parameters to the control module II for storage; the synchronization module II is respectively connected with the synchronization module I and the control module II and is used for receiving a synchronization signal sent by the synchronization module I and feeding the synchronization signal back to the control module II, so that the control module II controls the receiving module II to start receiving radio waves;
the three receiving coils are respectively connected with the receiving module I and the two receiving modules II in a one-to-one correspondence mode, planes where the three receiving coils are located are mutually perpendicular in pairs in space, and the receiving coils are used for receiving radio waves in the respective axis direction and feeding the radio waves back to the receiving module I or the receiving module II which are connected with each other.
Further, the three receiving coils are nested with each other to form a spheroid.
Further, the radio wave parameters include frequency, amplitude, and phase.
Compared with the prior art, the utility model adopts a mode of combining the main receiver, the two slave receivers and the three receiving coils, the three receiving coils are respectively connected with the main receiver and the two slave receivers in a one-to-one correspondence manner, and planes of the three receiving coils are mutually vertical in pairs in space and are used for receiving radio waves in the respective axial direction and feeding back the radio waves to the respectively connected main receiver or slave receiver; the main receiver and the two slave receivers realize synchronous reception of the three through data transmission of the synchronization module I and the synchronization module II, and the frequencies, amplitudes and phases of radio waves received by the three receivers are the same and only differ in the propagation direction of the radio waves; therefore, the field intensity data volume of the radio waves of the receiving point in X, Y, Z three directions can be obtained, the data volume of the radio wave signals received at the position is effectively improved, the situation that the detection result is influenced by the fact that the radio wave signals received by the existing single-direction receiver are few or the radio wave signals transmitted by the transmitter cannot be received is avoided, and the detection precision of the position of the geological anomalous body can be obtained after analysis and processing according to the data. In addition, the utility model does not change the power of a single radio wave receiver, thereby meeting the safety standard of the mine underground penetration instrument.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a position layout of the present invention in use;
fig. 3 is a layout diagram of the positions of three receiving coils in the present invention.
Detailed Description
The present invention will be further explained below.
As shown in fig. 1, the present invention includes a master receiver, a 1# slave receiver, a 2# slave receiver, an X receive coil, a Y receive coil, and a Z receive coil;
the main receiver comprises a human-computer interface I, a control module I, a receiving module I and a synchronization module I, wherein the human-computer interface I is connected with the control module I and is used for inputting radio wave parameters to be received to the control module I; the receiving module I is connected with the control module I and used for receiving the radio waves of the parameters determined by the control module I and transmitting the radio wave magnetic field component signals of the parameters to the control module I for storage; the synchronization module I is connected with the control module I and used for receiving a control instruction sent by the control module I and sending synchronization signals to the two slave receivers so that the two slave receivers and the master receiver synchronously receive radio waves;
the 1# slave receiver and the 2# slave receiver respectively comprise a human-computer interface II, a control module II, a receiving module II and a synchronization module II, wherein the human-computer interface II is connected with the control module II and is used for inputting radio wave parameters which are the same as those of the control module I into the control module II; the receiving module II is connected with the control module II and used for receiving the radio waves of the parameters determined by the control module II and transmitting the radio wave magnetic field component signals of the parameters to the control module II for storage; the synchronization module II is respectively connected with the synchronization module I and the control module II and is used for receiving a synchronization signal sent by the synchronization module I and feeding the synchronization signal back to the control module II, so that the control module II controls the receiving module II to start receiving radio waves;
the X receiving coil, the Y receiving coil and the Z receiving coil are respectively connected with the receiving module I and the two receiving modules II in a one-to-one correspondence mode, planes where the three receiving coils are located are mutually perpendicular in pairs in space and are mutually nested to form a spheroid (as shown in figure 3), and the spheroid is used for receiving radio waves in the respective axis direction and feeding back the radio waves to the receiving module I or the receiving module II which are respectively connected.
The human-computer interface I, the control module I, the receiving module I, the synchronization module I, the human-computer interface II, the control module II, the receiving module II, the synchronization module II and the three receiving coils are all existing components.
As shown in fig. 2, in use, a radio wave transmitter is placed in a roadway on one side of a stope face, a plurality of receiving points are arranged in the roadway on the other side of the stope face, and each receiving point is provided with a receiving device of the utility model, wherein the arrangement directions of an X receiving coil, a Y receiving coil and a Z receiving coil in the receiving device on each receiving point are as follows: the axis of the X receiving coil, the axis of the Y receiving coil and the axis of the Z receiving coil are respectively an X axis, a Y axis and a Z axis, the X axis is parallel to the trend of the roadway, the Y axis is vertical to the wall of the roadway, and the Z axis is vertical to the top floor of the roadway; an X receiving coil receives a magnetic field component signal H (X) of radio waves in the X-axis direction, a Y receiving coil receives a magnetic field component signal H (Y) of the radio waves in the Y-axis direction, and a Z receiving coil receives a magnetic field component signal H (Z) of the radio waves in the Z-axis direction; completing the layout work of the device;
before detection, according to the frequency, amplitude and phase of radio wave to be sent by a transmitter, respectively inputting receiving radio waves of corresponding parameters to a main receiver, a 1# slave receiver and a 2# slave receiver through a human-computer interface I and a human-computer interface II, starting detection after the detection is finished, starting the transmitter to enable the transmitter to transmit the radio waves to a stope working face, then sending an instruction through the human-computer interface I to control the main receiver of each receiving point to start to receive a magnetic field component signal H (X) of the radio waves transmitted from the stope working face in the X-axis direction through an X receiving coil, simultaneously sending a synchronous receiving signal to a synchronous module II of the 1# slave receiver and the 2# slave receiver by a synchronous module I of the main receiver, further enabling the 1# slave receiver and the 2# slave receiver to respectively synchronously receive the magnetic field component signal H (Y) of the radio waves in the Y-axis direction through a Y receiving coil, a Z receiving coil receives a magnetic field component signal H (Z) of a radio wave in the Z axis direction; after receiving, the main receiver stops working, and simultaneously, the 1# slave receiver and the 2# slave receiver are synchronously stopped through data transmission of the synchronization module I and the synchronization module II; and finally, transmitting the data H (X), H (Y) and H (Z) obtained by each receiving point to a computer through a data line, and after the data is summarized by the computer, obtaining the actually-measured field intensity value data of each receiving point in the X, Y and Z directions, effectively improving the data volume of the radio wave signals received by each receiving point, and further ensuring the detection precision of the position of the geological abnormal body obtained after analysis and processing according to the data.
The receiving process can also adopt the mode that receiving time, station moving time and receiving frequency are set in advance in the control module I and the control module II, the automatic receiving device can be clicked to receive after the receiving process is set, manual receiving operation is not needed, the workload of operators is relieved, the workload is greatly reduced, a program can be quitted and automatically stored after a shutdown key is clicked after the receiving process is finished, and finally the data are transmitted to the computer through a data line to be transmitted to the computer for subsequent data processing.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model and these are intended to be within the scope of the utility model.
Claims (3)
1. A three-component radio wave receiving device is characterized by comprising a main receiver, two slave receivers and three receiving coils;
the main receiver comprises a human-computer interface I, a control module I, a receiving module I and a synchronization module I, wherein the human-computer interface I is connected with the control module I and is used for inputting radio wave parameters to be received to the control module I; the receiving module I is connected with the control module I and used for receiving the radio waves of the parameters determined by the control module I and transmitting the radio wave magnetic field component signals of the parameters to the control module I for storage; the synchronization module I is connected with the control module I and used for receiving a control instruction sent by the control module I and sending synchronization signals to the two slave receivers so that the two slave receivers and the master receiver synchronously receive radio waves;
the two slave receivers respectively comprise a human-computer interface II, a control module II, a receiving module II and a synchronization module II, wherein the human-computer interface II is connected with the control module II and is used for inputting radio wave parameters which are the same as those of the control module I into the control module II; the receiving module II is connected with the control module II and used for receiving the radio waves of the parameters determined by the control module II and transmitting the radio wave magnetic field component signals of the parameters to the control module II for storage; the synchronization module II is respectively connected with the synchronization module I and the control module II and is used for receiving a synchronization signal sent by the synchronization module I and feeding the synchronization signal back to the control module II, so that the control module II controls the receiving module II to start receiving radio waves;
the three receiving coils are respectively connected with the receiving module I and the two receiving modules II in a one-to-one correspondence mode, planes where the three receiving coils are located are mutually perpendicular in pairs in space, and the receiving coils are used for receiving radio waves in the respective axis direction and feeding the radio waves back to the receiving module I or the receiving module II which are connected with each other.
2. The apparatus according to claim 1, wherein the three receiving coils are nested with each other to form a spheroid.
3. The apparatus according to claim 1, wherein the radio wave parameters include frequency, amplitude, and phase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121896098.5U CN215867155U (en) | 2021-08-13 | 2021-08-13 | One-sending three-component radio wave receiving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121896098.5U CN215867155U (en) | 2021-08-13 | 2021-08-13 | One-sending three-component radio wave receiving device |
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| Publication Number | Publication Date |
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| CN215867155U true CN215867155U (en) | 2022-02-18 |
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|---|---|---|---|
| CN202121896098.5U Active CN215867155U (en) | 2021-08-13 | 2021-08-13 | One-sending three-component radio wave receiving device |
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| CN (1) | CN215867155U (en) |
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2021
- 2021-08-13 CN CN202121896098.5U patent/CN215867155U/en active Active
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