CN216959852U - User unit signal receiving device of resiliometer - Google Patents
User unit signal receiving device of resiliometer Download PDFInfo
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- CN216959852U CN216959852U CN202220221371.2U CN202220221371U CN216959852U CN 216959852 U CN216959852 U CN 216959852U CN 202220221371 U CN202220221371 U CN 202220221371U CN 216959852 U CN216959852 U CN 216959852U
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Abstract
The utility model provides a user unit signal receiving device of a resiliometer, which effectively solves the problem that a user unit terminal accurately analyzes data signals in the prior art. The device comprises a primary amplifying circuit and a secondary amplifying circuit, wherein the primary amplifying circuit amplifies the data signals transmitted by the mobile terminal and transmits the data signals to the secondary amplifying circuit, and the secondary amplifying circuit filters and re-amplifies the data signals and transmits the data signals to the terminals of a user unit, so that the accuracy of analyzing the data signals by the terminals of the user unit is improved.
Description
Technical Field
The utility model relates to the field of building detection, in particular to a user unit signal receiving device of a resiliometer.
Background
The resiliometer has excellent effect when measuring the strength of general building elements, bridges and various concrete elements (plates, beams, columns and bridges), but the strength measured by the general resiliometer can only be displayed on the resiliometer, if data needs to be recorded, manual auxiliary recording is needed, and the problem that the time spent on detection and recording is too long occurs.
To solve the problem, the patent document No. 201120381394.1 provides a wireless bluetooth transceiving system for an electronic mechanical resiliometer, which realizes transmission of a detected data signal to a mobile terminal through a bluetooth sending module, and then to a terminal of a user unit (presumably, a terminal in the user unit analyzes the data signal) through a wireless network of the mobile terminal, and although the time spent on detection and recording is greatly reduced, it gradually finds that the data signal is attenuated greatly during transmission due to too long distance between the resiliometer and the mobile terminal and the user unit, so that the data signal received by the user unit is too weak, and the data signal cannot be accurately analyzed by the terminal of the user unit due to line loss when the data signal is transmitted in the terminal of the user unit, and further, the user unit cannot record the data accurately.
The present invention therefore provides a new solution to this problem.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide a user unit signal receiving device of a resiliometer, which effectively solves the problem that a terminal of a user unit accurately analyzes data signals in the prior art.
The technical scheme for solving the problem is that the user unit signal receiving device of the resiliometer comprises a terminal of a user unit, and the device comprises a primary amplifying circuit and a secondary amplifying circuit, wherein the primary amplifying circuit amplifies a data signal transmitted by a mobile terminal and transmits the data signal to the secondary amplifying circuit, and the secondary amplifying circuit filters and re-amplifies the data signal and then transmits the data signal to the terminal of the user unit.
Furthermore, the first-stage amplifying circuit performs impedance matching on the data signal transmitted by the mobile terminal, then amplifies the data signal, and transmits the data signal to the voltage stabilizing circuit.
Further, the first-stage amplifying circuit includes a transistor Q3, a base of the transistor Q3 is connected to one end of a resistor R3 and one end of a resistor R11, the other end of the resistor R3 is connected to the mobile terminal, an emitter of the transistor Q3 is connected to one end of a resistor R4, one end of an inductor L1 and one end of a capacitor C4, the other end of a resistor R11 is connected to a collector of the transistor Q3, one end of the resistor R6 and a collector of the transistor Q1, respectively, and is connected to the positive polarity power source VCC, the other end of the inductor L1 is connected to one end of the capacitor C2 and one end of the resistor R1, the other end of the resistor R1 is connected to a non-phase end of the operational amplifier U1 1, an inverting end of the operational amplifier U1 1 is connected to one end of the resistor R1 and the other end of the resistor R1, an output end of the operational amplifier U1 1 is connected to the other end of the resistor R1 and a base of the transistor Q1, an emitter of the resistor 1 is connected to one end of the resistor R1, and the other end of the resistor 1 are connected to one end of the resistor 1, respectively, and the resistor R1, and the other end of the amplifier Q1 are connected to the other end of the amplifier U1, The other end of the capacitor C2, the other end of the capacitor C4 and the other end of the resistor R14 are connected in parallel to ground.
Furthermore, the secondary amplifying circuit receives the data signal transmitted by the amplifying circuit, performs band-pass filtering on the data signal, then performs amplification again, and finally outputs the data signal to a signal receiving end of a user unit.
Further, the second-stage amplifying circuit includes a diode D1, an anode of the diode D1 is connected to one end of a resistor R4 and an emitter of a transistor Q1 in the first-stage amplifying circuit, a cathode of the diode D1 is connected to one end of an inductor L3, the other end of the inductor L3 is connected to one end of a capacitor C1, the other end of the capacitor C1 is connected to one end of an inductor L2, one end of a capacitor C6 and one end of an inductor L4, the other end of the inductor L4 is connected to one end of a capacitor C3, the other end of the capacitor C3 is connected to a non-inverting terminal of an operational amplifier U2B, an inverting terminal of the operational amplifier U2B is connected to one end of a resistor R8 and one end of a resistor R7, the other end of the resistor R7 is connected to one end of a resistor R10 and an output terminal of the operational amplifier U2B, the other end of the resistor R10 is connected to one end of a resistor R9 and a base of a transistor Q2, and a collector of a transistor Q2 is connected to a base 4, One end of a resistor R12, a collector of a triode Q4 is respectively connected with one end of a resistor R13 and the anode of a diode D5, the other end of a resistor R13 is respectively connected with the other end of a resistor R12, one end of a resistor R15, the other end of a resistor R9 and the other end of a resistor R6 in a primary amplifying circuit and is connected with a positive power supply VCC, an emitter of a triode Q4 is respectively connected with the cathode of a voltage regulator D3 and the other end of a resistor R15, the cathode of a diode D5 is respectively connected with a terminal of a user unit and one end of a bidirectional voltage regulator D2, and the anode of a voltage regulator D3 is respectively connected with the other end of the bidirectional voltage regulator D2, the emitter of a triode Q2, the other end of a capacitor C6, the other end of an inductor L2, the other end of a resistor R8 and the other end of a resistor R4 in the amplifying circuit and is grounded.
The utility model realizes the following beneficial effects:
the first-stage amplifying circuit and the second-stage amplifying circuit are arranged to amplify data signals transmitted from the mobile terminal twice, the problem that the data signals are greatly attenuated in the transmission process is solved, the problem that the data signals are lost due to line loss when the data signals are transmitted in the terminal of a user unit is also solved, the problem that the terminal of the user unit cannot analyze the data signals is solved, the accuracy of the terminal of the user unit analyzing the data signals is improved, and the problem that the terminal of the user unit accurately analyzes the data signals in the prior art is solved.
Drawings
Fig. 1 is a schematic diagram of a one-stage amplification circuit of the present invention.
Fig. 2 is a schematic diagram of a two-stage amplifying circuit of the present invention.
Detailed Description
The foregoing and other technical and functional aspects of the present invention will be apparent from the following detailed description of the embodiments, which proceeds with reference to the accompanying figures 1-2. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
A user unit signal receiving device of a resiliometer comprises a terminal of a user unit, and the device comprises a primary amplifying circuit and a secondary amplifying circuit, wherein the primary amplifying circuit amplifies a data signal transmitted by a mobile terminal and transmits the data signal to the secondary amplifying circuit, and the secondary amplifying circuit filters and re-amplifies the data signal and then transmits the data signal to a terminal signal receiving end of the user unit.
The first-stage amplifying circuit comprises a triode Q3, the base of a triode Q3 is connected with one end of a resistor R3 and one end of a resistor R11 respectively, the other end of a resistor R3 is connected with a mobile terminal, the emitter of a triode Q3 is connected with one end of a resistor R4, one end of an inductor L1 and one end of a capacitor C4 respectively, the other end of a resistor R11 is connected with the collector of a triode Q3, one end of a resistor R6 and the collector of a triode Q1 and is connected with a positive power VCC, the other end of an inductor L1 is connected with one end of a capacitor C2 and one end of a resistor R1 respectively, the other end of a resistor R1 is connected with the same phase end of an operational amplifier U1 1, the inverting end of the operational amplifier U1 1 is connected with one end of a resistor R1 and the other end of a resistor R1 respectively, the output end of the operational amplifier U1 1 is connected with the other end of a resistor R1 and the base of a resistor Q1 respectively, the emitter of the triode Q1 is connected with one end of the resistor R1 respectively, the emitter of the resistor 1 is connected with one end of the other end of the resistor 1 respectively, The other end of the capacitor C2, the other end of the capacitor C4 and the other end of the resistor R14 are connected in parallel and grounded;
the first-stage amplifying circuit receives data signals transmitted by the mobile terminal by using a triode Q3 and performs impedance matching by using an inductor L1, a capacitor C1 and a capacitor C2, so that lossless reception of the data signals transmitted by the mobile terminal is realized, the data signals which are attenuated greatly in the transmission process are prevented from being weaker, the data signals are amplified by using an operational amplifier U1B, the data signals cannot be analyzed by a terminal of a user unit after the data signals are greatly lost, the response capability of the data signals is improved by using a triode Q1 and then transmitted to a second-stage amplifying circuit, wherein a resistor R5 is a feedback resistor of the operational amplifier U1B and is used for controlling the amplification factor of the operational amplifier U1B.
The second-stage amplifying circuit comprises a diode D1, the anode of the diode D1 is connected with one end of a resistor R4 and the emitter of a triode Q1 in the first-stage amplifying circuit respectively, the cathode of a diode D1 is connected with one end of an inductor L3, the other end of the inductor L3 is connected with one end of a capacitor C1, the other end of the capacitor C1 is connected with one end of an inductor L2, one end of a capacitor C6 and one end of an inductor L4 respectively, the other end of the inductor L4 is connected with one end of a capacitor C3, the other end of the capacitor C3 is connected with the non-inverting terminal of an operational amplifier U2B, the inverting terminal of the operational amplifier U2B is connected with one end of a resistor R B and one end of a resistor R B respectively, the other end of the resistor R B is connected with one end of the operational amplifier U2B and the output end of the operational amplifier U B, the other end of the resistor R B is connected with one end of a base of a triode Q B and one end of the collector of the resistor B respectively, a collector of a triode Q4 is respectively connected with one end of a resistor R13 and an anode of a diode D5, the other end of a resistor R13 is respectively connected with the other end of a resistor R12, one end of a resistor R15, the other end of the resistor R9 and the other end of a resistor R6 in a primary amplifying circuit and is connected with a positive power supply VCC, an emitter of the triode Q4 is respectively connected with a cathode of a voltage regulator tube D3 and the other end of a resistor R15, a cathode of a diode D5 is respectively connected with a terminal of a user unit and one end of a bidirectional voltage regulator tube D2, and an anode of the voltage regulator tube D3 is respectively connected with the other end of the bidirectional voltage regulator tube D2, an emitter of the triode Q2, the other end of a capacitor C6, the other end of an inductor L2, the other end of the resistor R8 and the other end of the resistor R4 in the amplifying circuit and is connected with the ground in parallel;
the second-stage amplifying circuit receives the data signal transmitted by the amplifying circuit by using a diode D1, performs active band-pass filtering on the data signal by using an inductor L2-an inductor L4, a capacitor C1, a capacitor C3, a capacitor C6 and an operational amplifier U2B, filters other frequency signals mixed in the data signal, avoids the influence of the other frequency signals on the accuracy of the data signal, re-amplifies the data signal by using a triode Q2 and a triode Q4, avoids the problem that the data signal cannot be analyzed at a terminal of a user unit due to line loss when the data signal is transmitted in the user terminal, stabilizes the data signal amplified by using a triode Q2 and a triode Q4 by using a diode D3, avoids the phenomenon that the data signal is amplified too much to cause a surge at the terminal of the user unit, and transmits the data signal to the terminal of the user unit for analysis by using a diode D5, thereby enabling the user unit to accurately record the data.
When the utility model is used, the first-stage amplifying circuit receives the data signal transmitted by the mobile terminal by using the triode Q3 and performs impedance matching by using the inductor L1, the capacitor C1 and the capacitor C2, so as to realize lossless reception of the data signal transmitted by the mobile terminal, the operational amplifier U1B is used for amplifying the data signal, the problem that the data signal cannot be analyzed by the terminal of a user unit after large-amplitude loss of the data signal occurs is avoided, the triode Q1 is used for improving the response capability of the data signal and then transmitting the data signal to the second-stage amplifying circuit, the second-stage amplifying circuit receives the data signal transmitted by the amplifying circuit by using the diode D1, the inductor L2-inductor L4, the capacitor C1, the capacitor C3, the capacitor C6 and the operational amplifier U2B are used for performing active hybrid band-pass filtering on the data signal, and filtering other frequency signals in the data signal, the influence of other frequency signals on the accuracy of the data signals is avoided, the data signals are amplified again by using the triode Q2 and the triode Q4, the problem that the data signals cannot be analyzed by the terminal in a user unit due to line loss when the data signals are transmitted in a user terminal is avoided, the data signals amplified by using the triode Q2 and the triode Q4 are stabilized by using the diode D3, the data signals are prevented from being amplified to be too large, the data signals are transmitted to the terminal of the user unit by using the diode D5 to be analyzed, and therefore the user unit can accurately record the data.
The utility model realizes the following beneficial effects:
(1) the first-stage amplifying circuit and the second-stage amplifying circuit are arranged to amplify the data signal transmitted from the mobile terminal twice, so that the problem that the data signal is greatly attenuated in the transmission process is solved, the problem that the data signal is lost due to line loss when the data signal is transmitted in a terminal of a user unit is also solved, the problem that the terminal of the user unit cannot analyze the data signal is solved, the accuracy of the data signal analysis of the terminal of the user unit is improved, and the problem that the data signal is accurately analyzed by the terminal of the user unit in the prior art is solved;
(2) the inductance L2-inductance L4, the capacitance C1, the capacitance C3, the capacitance C6 and the operational amplifier U2B are arranged in the arranged secondary amplifying circuit to carry out active band-pass filtering on the data signals, so that other frequency signals mixed in the data signals are filtered, the influence of the other frequency signals on the accuracy of the data signals is avoided, the accuracy of the data signals is improved, and the accuracy of recording the data by a user unit is improved.
Claims (1)
1. A user unit signal receiving device of a resiliometer comprises a terminal of a user unit, and is characterized by comprising a primary amplifying circuit and a secondary amplifying circuit, wherein the primary amplifying circuit amplifies a data signal transmitted by a mobile terminal and transmits the data signal to the secondary amplifying circuit, and the secondary amplifying circuit filters and re-amplifies the data signal and transmits the data signal to the terminal of the user unit;
the first-stage amplifying circuit performs impedance matching on the data signal transmitted by the mobile terminal, then amplifies the data signal and transmits the data signal to the voltage stabilizing circuit;
the first-stage amplifying circuit comprises a triode Q3, the base of a triode Q3 is connected with one end of a resistor R3 and one end of a resistor R11 respectively, the other end of a resistor R3 is connected with a mobile terminal, the emitter of a triode Q3 is connected with one end of a resistor R4, one end of an inductor L1 and one end of a capacitor C4 respectively, the other end of a resistor R11 is connected with the collector of a triode Q3, one end of a resistor R6 and the collector of a triode Q1 and is connected with a positive power VCC, the other end of an inductor L1 is connected with one end of a capacitor C2 and one end of a resistor R1 respectively, the other end of a resistor R1 is connected with the same phase end of an operational amplifier U1 1, the inverting end of the operational amplifier U1 1 is connected with one end of a resistor R1 and the other end of a resistor R1 respectively, the output end of the operational amplifier U1 1 is connected with the other end of a resistor R1 and the base of a resistor Q1 respectively, the emitter of the triode Q1 is connected with one end of the resistor R1 respectively, the emitter of the resistor 1 is connected with one end of the other end of the resistor 1 respectively, The other end of the capacitor C2, the other end of the capacitor C4 and the other end of the resistor R14 are connected in parallel and grounded;
the secondary amplifying circuit receives the data signal transmitted by the amplifying circuit, performs band-pass filtering on the data signal, then performs amplification again, and finally outputs the data signal to a signal receiving end of a user unit;
the second-stage amplifying circuit comprises a diode D1, the anode of the diode D1 is connected with one end of a resistor R4 and the emitter of a triode Q1 in the first-stage amplifying circuit respectively, the cathode of a diode D1 is connected with one end of an inductor L3, the other end of the inductor L3 is connected with one end of a capacitor C1, the other end of the capacitor C1 is connected with one end of an inductor L2, one end of a capacitor C6 and one end of an inductor L4 respectively, the other end of the inductor L4 is connected with one end of a capacitor C3, the other end of the capacitor C3 is connected with the same-phase end of an operational amplifier U2B, the inverting end of the operational amplifier U2B is connected with one end of a resistor R B and one end of a resistor R B respectively, the other end of the resistor R B is connected with one end of the output end of the operational amplifier U2B, the other end of the resistor R B is connected with one end of a base of a triode Q B respectively, the collector of the triode Q B is connected with one end of the resistor B and one end of the resistor R B respectively, the collector of a triode Q4 is respectively connected with one end of a resistor R13 and the anode of a diode D5, the other end of the resistor R13 is respectively connected with the other end of a resistor R12, one end of a resistor R15, the other end of the resistor R9 and the other end of a resistor R6 in a primary amplifying circuit and is connected with a positive power supply VCC, the emitter of the triode Q4 is respectively connected with the cathode of a voltage regulator tube D3 and the other end of a resistor R15, the cathode of a diode D5 is respectively connected with the terminal of a user unit and one end of a bidirectional voltage regulator tube D2, the anode of the voltage regulator tube D3 is respectively connected with the other end of a bidirectional voltage regulator tube D2, the emitter of the triode Q2, the other end of a capacitor C6, the other end of an inductor L2, the other end of a resistor R8 and the other end of a resistor R4 in the amplifying circuit and is connected with the ground in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220221371.2U CN216959852U (en) | 2022-01-27 | 2022-01-27 | User unit signal receiving device of resiliometer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220221371.2U CN216959852U (en) | 2022-01-27 | 2022-01-27 | User unit signal receiving device of resiliometer |
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| Publication Number | Publication Date |
|---|---|
| CN216959852U true CN216959852U (en) | 2022-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220221371.2U Active CN216959852U (en) | 2022-01-27 | 2022-01-27 | User unit signal receiving device of resiliometer |
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| CN (1) | CN216959852U (en) |
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- 2022-01-27 CN CN202220221371.2U patent/CN216959852U/en active Active
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