CN2244789Y - Full-automatic measuring controller for radio station - Google Patents
Full-automatic measuring controller for radio station Download PDFInfo
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- CN2244789Y CN2244789Y CN95220486U CN95220486U CN2244789Y CN 2244789 Y CN2244789 Y CN 2244789Y CN 95220486 U CN95220486 U CN 95220486U CN 95220486 U CN95220486 U CN 95220486U CN 2244789 Y CN2244789 Y CN 2244789Y
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Abstract
The utility model relates to a full-automatic testing controller for a radio station, relating to a full-automatic testing control device for the performance indexes and parameters of a radio communication station. The full-automatic testing controller is connected up by a control circuit (an 8031 single chip computer, a program memory, an address latch, an address decoding circuit and a serial port circuit) of a single chip computer, a potentiometric circuit for digital volume, a potentiometric circuit for digital squelch, a control circuit for sending, receiving and converting, buttons, a control circuit for off-hook and on-hook, and a power supply circuit. The controller with small size, light weight, low cost, convenient control and high automatization can be used for full automatic test on the performance indexes and parameters of the radio station, after connected with a microcomputer and measuring instruments.
Description
The utility model relates to the full-automatic testing control device of a kind of radio communication radio station performance index parameter.
All Radio Station that are applied in aspects such as commander, scheduling, number biography, conversation, contact all need to carry out regular or irregular performance index parameter testing, so that maintenance management and normal use.
But the prior art ubiquity the problem that volume is big, weight is too heavy, control inconvenient, cost is too high at present, and the efficient that operates is not high yet, thereby influences work progress.
The purpose of this utility model provides a kind of volume is little, in light weight, cost is low, control is convenient, automaticity is high equipment to finish the functional simulation and the control of off hook signal, on-hook signal, reset signal, transmitting-receiving changeover control signal and each call button to tested radio station, particularly replaced the volume in radio station and the function of noise elimination potentiometer, thereby saved the cumbersome of when measuring manual adjustment radio station volume and noise elimination potentiometer with digital spc Stepping potentiometer function.Make like this control and the operation of test instrumentation and radio station state are all automatically carried out by microcomputer and Single Chip Microcomputer (SCM) program control, improved operating efficiency and measurement accuracy greatly.
Radio station's full-automatic testing controller comprises: single chip machine controlling circuit, digital volume potentiometer circuit, digital noise elimination potentiometer circuit, transmitting-receiving conversion control circuit, button, off-hook, on-hook control circuit and power circuit, described single chip machine controlling circuit comprises 8031 single-chip microcomputers, program storage, address latch, address decoding circuitry, serial port part, it is characterized in that: described serial port partly connects single chip part, described single chip part ground connection location latch part and address decoding circuitry part, described address latch partly connects the program storage part; Described single chip part receives sends out conversion control circuit part, off-hook on-hook control circuit part; In addition, single-chip microcomputer also connects digital volume potentiometer circuit and digital noise elimination potentiometer circuit part.
Further introduce the utility model below in conjunction with accompanying drawing with by way of example.Wherein:
Fig. 1: full-automatic testing controller hardware block diagram;
Fig. 2: single chip machine controlling circuit (8031 single-chip microcomputers, program storage, address latch, address decoding circuitry, serial port circuit), button, off-hook, on-hook control circuit schematic diagram;
Fig. 3: digital volume potentiometer circuit, digital noise elimination potentiometer circuit, transmitting-receiving conversion control circuit schematic diagram;
Fig. 4: power circuit principle figure.
Below in conjunction with accompanying drawing the utility model is further described:
The utility model is related is radio station's full-automatic testing controller in this full-automatic test system.The control box in tested radio station links to each other with tested radio station main frame by the full-automatic testing controller.By microcomputer by serial communication port to full-automatic testing controller transmitting control data and instruction.The control to radio mode is finished in the single-chip microcomputer by controller inside and the control of its control program.
Fig. 1 is radio station's full-automatic testing controller block diagram, comprising:
Single chip machine controlling circuit (8031 monolithic sheet machines, program storage, address latch, address decoding circuitry, serial port circuit), transmitting-receiving conversion control circuit, button, off-hook, on-hook control circuit and digital volume potentiometer, digital noise elimination potentiometer circuit and power circuit etc.
The general function of radio station's full-automatic testing controller is serially connected between radio station control box and the radio station main frame exactly, finishes the simulation and the control of off hook signal, on-hook signal, reset signal, transmitting-receiving changeover control signal and the various call button functions in tested radio station under program control.Finish simultaneously the volume in tested radio station and the automatic adjustment and the control of noise elimination potentiometer.
Fig. 2 is single chip machine controlling circuit (8031 single-chip microcomputers, program storage, address latch, address decoding circuitry, serial port circuit), button, off-hook, on-hook control circuit schematic diagram.
Single chip machine controlling circuit mainly is made up of 8031 single-chip microcomputers, program storage, address latch, address decoding circuitry and serial port circuit etc.
Wherein 8031 single-chip microcomputers are cores of this controller, its P0 mouth (P00-P07) is the address bus least-significant byte and the data/address bus of time-sharing multiplex, the P2 mouth is that address bus is high 5, the P00-P07 mouth of 8031 single-chip microcomputers is connected with the D0-D7 mouth of address latch U2 (74LS373) and the D0-D7 mouth of program storage U3 (2764), and the P20-P24 mouth of 8031 single-chip microcomputers is connected with the A8-A12 of U3.
18,19 pin of M1 (11.0592M crystal), capacitor C 1, C2 (being 30P magnetic sheet electric capacity) and 8031 single-chip microcomputers connect and compose the clock source of 8031 single-chip microcomputers.
Anode connection+5V the power supply of electrochemical capacitor C3 (10 μ), negative terminal link to each other with 9 pin of resistance R 1 (10K) and 8031 single-chip microcomputers and constitute electrify restoration circuit.
Address latch U2 (74LS373) (9 pin ALE of 8031 single-chip microcomputers are connected with the 11 pin LE of U2) under the control of 8031 single-chip microcomputers, 30 pin ale signals finishes the address least-significant byte and latchs.The output Q0-Q7 of U2 is connected with the A0-A7 of U3, constitutes the address bus least-significant byte.
Address decoding circuitry is made up of U7: A, U7: B (74LS02) and U6: A (74LS04).6 pin of 3 pin and the U7 of U7: A: B link to each other and are connected to simultaneously on 16 pin of 8031 single-chip microcomputers, and 1 pin of 2 pin and the U6 of U7: A: A is connected on 28 pin (P27) that are connected to 8031 single-chip microcomputers simultaneously, and 5 pin of 2 pin and the U7 of U6: A: B are connected.U7: A and U7: B all is OR-NOT circuit, when 8031 16 pin output low levels, if also output low level of 8031 28 pin, then 1 pin of U7: A is exported high level, 4 pin (LE2) output low level of U7: B is then chosen the IC3 chip among Fig. 3, and digital volume potentiometer is started working.If 8031 28 pin output high level, become low level after process U6: A is anti-phase and be connected to U7: 5 pin of B, and 6 pin of U7: B connection at this moment also is low level, then 4 pin of U7: B are exported high level, 1 pin (LE1) output low level of U7: A, then choose the IC4 chip among Fig. 3, digital noise elimination potentiometer is started working.
If 8031 16 pin output high level, situation whatsoever then, 1 pin (LE1) of U7: A and 4 pin (LE2) of U7: B are output low level all, and then numeral and noise elimination potentiometer are not all worked, thereby have finished the function of address decoding circuitry.
Serial interface circuit is made up of U4: A (UA1488), U5: A (UA1489) and capacitor C 4,14 pin of U4: A are connected to+the 12V power supply on, 1 pin is connected to-the 12V power supply on, 2 pin link to each other with 8031 single-chip microcomputers, 11 pin (TXD), finish the sending function of serial data thereby 3 pin link to each other with the serial port of external microcomputer.2 pin of U5: A link to each other with capacitor C 4 (0.1 μ), and 3 pin link to each other with 10 pin (RXD) of 8031 single-chip microcomputers, finish the receiving function of serial data thereby 1 pin links to each other with the serial port of external microcomputer.
The P10-P14 mouth of 8031 single-chip microcomputers (U1) links to each other with the negative terminal of five switching diodes of D1-D5 (1N4148) respectively, anode 5 current limliting isolation resistance R2-R6 of connection (22K) of diode finish the functional simulation to the calling-up button, when P10-P14 exports high level respectively, because diode D1-D5 ends, be equivalent to the calling-up button and lift state, when P10-P14 difference output low level, diode D1-D5 conducting respectively is equivalent to calling-up button down state (low level is effective).
The P15 mouth and U6 of 8031 single-chip microcomputers (U1): B (74LS04) 3 pin link to each other U6: 4 pin of B link to each other with the negative terminal of switching diode D6 (1N148), and the anode of D6 is connected with current limliting isolation resistance R7 (22K), finish that the radio station handle is plucked, the on-hook controlled function.When 8031 single-chip microcomputer P15 mouth output low levels, through U6: the B inverter is anti-phase, 4 pin output high level at U6: B, the D6 diode ends, and is equivalent to the radio station hook state, when 8031 single-chip microcomputer P15 mouths output high level, through U6: the B inverter is anti-phase, in the 4 pin output low levels of U6: B, the D6 diode current flow is equivalent to the radio station off hook state.
Fig. 3 is digital volume potentiometer circuit, digital noise elimination potentiometer circuit, transmitting-receiving conversion control circuit schematic diagram.The P17 pin of 8031 single-chip microcomputers (U1) among the end of resistance R ES3 (30K) and Fig. 3 is connected, and the other end is connected with the base stage of triode TT1 (9014).When the P17 output low level, triode TT1 ends, and no current flows through in relay J J1 (12V) coil that its collector electrode connects, and relay tip is failure to actuate.B11OUT and B7OUT pin are connected on the transmitting-receiving change-over circuit in tested radio station, and then this moment, B11OUT is connected with B11IN (empty pin), and B7OUT is connected with ground, makes tested radio station be in accepting state.During P17 output high level, triode TT1 conducting has electric current to flow through in relay (JJ1) coil, and then action of relay contact makes B11OUT be connected with ground, and B7OUT is connected with+5V, and then tested radio station is in emission state.
8031 single-chip microcomputers (U1) P17 pin also is connected with the end of resistance R ES4 (30K) among Fig. 3 simultaneously among Fig. 2, and when P17 pin output low level, triode TT2 (9014) ends, and light-emitting diode LL1 does not work, and shows that tested radio station is in accepting state.When P17 pin output high level, triode TT2 conducting, light-emitting diode LL1 lights, and shows that tested radio station is in emission state.
Also comprised digital volume potentiometer circuit and digital noise elimination potentiometer circuit among Fig. 3, the principle of two circuit is the same basically.IC3 (74LS373) and IC4 (74LS373) composition data latch, its D0-D7 pin is connected with the P00-P07 mouth of U1 (8031) among Fig. 2, LE1 and LE2 respectively with Fig. 2 in address decoding circuitry U7: 4 pin of 1 pin and U7 of A (74LS02): B (74LS02) are connected.When the LE1 pin was high level, gating IC3 chip, the data latching of being sent here by the data/address bus of 8031 (U1) among Fig. 2 were adjusted volume potentiometer by the variation of data in IC3.When the LE2 pin was high level, gating IC4 chip, the data latching of being sent here by the data/address bus of 8031 (U1) among Fig. 2 were adjusted volume potentiometer by the variation of data in IC3.When the LE2 pin was high level, gating IC4 chip, the data latching of being sent here by the data/address bus of 8031 (U1) among Fig. 2 were adjusted the noise elimination potentiometer by the variation of data in IC4.The Principles of Regulation of two potentiometers are exactly D/A (D/A) conversion principle.The Q0-Q7 of IC3 is connected with the A2-A9 of IC1.IC1 (AD7520) is one 10 a D/A transformation device.Only use wherein 8 now, so the msbA1 pin is connect+5V 1sbA10 pin ground connection.Then:
Vout＝Vref{(255-N)/N}
Wherein: 0≤N≤255 are the decimal number on the data wire,
Vout is the 7 pin output voltages of IC5: B (LF353),
Vref is the 1 pin output voltage of IC5: A (LF353).Like this, along with the variation of data N on the data wire, its output voltage is done corresponding variation.
Reference current of 1 pin (Iout1) output of IC1 after 2 pin of IC5: A are connected, is done current-voltage (I-V) conversion by IC5: A, and the 1 pin output voltage of IC5: A is connected the reference voltage input as IC1 chip D/A conversion with 15 pin of IC1.The output current and IC5 of 2 pin (Iout2) of IC1: after 6 pin of B are connected, 7 pin by IC5: B connect, as feedback resistance, with the control voltage output range, 7 pin of IC5: B are connected with 3 pin of IC7,2 pin of IC7 and 6 pin of IC7 are connected to form emitter follower circuit, play the buffering buffer action of output voltage.Capacitor C AP3 one end is connected with 6 pin of IC7, and other end ground connection is to play the High frequency filter effect.The signal volume in external so tested radio station is after the 16 pin input of IC1, under the control of the chip selection signal of 8031 single-chip microcomputers and data/address bus, do the D/A conversion through IC1, pass through IC5: the I-V conversion of A and IC5: B, 6 pin by IC7 are exported, thereby have finished the function of numerical control volume potentiometer.Numerical control noise elimination potentiometer circuit is made up of IC4 (74LS373), IC2 (AD7520), IC6: A (LF353), IC6: B (LF353), IC8 (LF351), CAP6 (0.01 μ), RES2 (20K), CAP4 (0.022 μ), W4 elements such as (10K).The principle of circuit is identical with numerical control volume potentiometer circuit basically with connection, different just on 6 pin of the output IC7 of numerical control volume potentiometer, connected an electrochemical capacitor CAP1 (330 μ), its effect is the isolated DC current potential, allows audio signal pass through.And the output of numerical control noise elimination potentiometer only needs a variable DC potential, so saved capacitance.
Fig. 4 is a power circuit, adopts the 220V Alternating Current Power Supply.After the input of 220V AC power, through sending into power transformer behind F1 (2A) fuse, the S1 mains switch, transformer output 15V alternating voltage is sent into the B1 full-bridge rectifier, and the direct voltage of rectifier output divides three tunnel outputs.The output of 3 ends of one route B1 is after C13 (220 μ), C5 (0.1 μ), R25 (8 Ω 20W), C17 (1000 μ), C7 (0.1 μ), C6 (0.1 μ) send into three terminal regulator N8 (MC7805T) after forming pin network filtering, its output becomes+D.C. regulated power supply of 5V, and C14 (100 μ) and C8 (0.1 μ) are as the filter capacitor of+5V DC voltage-stabilizing output.The output of 3 ends of another route B1 is sent into three terminal regulator N9 (MC7812T) after C9 (0.1 μ) filtering, become+the D.C. regulated power supply output of 12V, and C10 (0.1 μ) is as the filter capacitor of+12V DC voltage-stabilizing output.Third Road is sent into three terminal regulator N10 (MC7912T) by the output of 4 ends of B1 and is become-output of 12V D.C. regulated power supply after C15 (220 μ) and C11 (0.1 μ) filtering, C12 (0.1 μ), C16 (100 μ) are as-filter capacitor that the 12V DC voltage-stabilizing is exported.L1 is a light-emitting diode, be connected after R24 (1K) current-limiting resistance is connected-12V and ground end between, as power supply indicator.
By experiment, this test controller working stability, cost be low, be convenient to make, and volume is little, in light weight, control convenient, automaticity is high.
Claims (2)
1, a kind of radio station full-automatic testing controller, described controller comprises single chip machine controlling circuit, numeral volume potentiometer circuit, numeral noise elimination potentiometer circuit, the transmitting-receiving conversion control circuit, button, off-hook, on-hook control circuit and power circuit, described single chip machine controlling circuit comprises 8031 single-chip microcomputers, program storage, address latch, address decoding circuitry, the serial port part, it is characterized in that: described serial port partly connects single chip part, described single chip part ground connection location latch part and address decoding circuitry part, described address latch partly connects the program storage part; Described single chip part receives sends out conversion control circuit part, off-hook on-hook control circuit part; In addition, single-chip microcomputer also connects digital volume potentiometer circuit and digital noise elimination potentiometer circuit part.
2, controller according to claim 1, it is characterized in that: IC3 (74LS373) and IC4 (74LS373) composition data latch, its D0-D7 pin is connected with the P00-P07 mouth of U1 (8031), LE1 and LE2 respectively with 1 pin and U7 of address decoding circuitry U7: A (74LS02): 4 pin of B (74LS02) are connected; The Q0-Q7 of IC3 is connected with the A2-A9 of IC1; IC1 (AD7520) is a kind of 10 D/A transformation device; Reference current of 1 pin (Iout1) output of IC1, be connected IC5 with 2 pin of IC5: A: the 1 pin output voltage of A is connected with 15 pin of IC1; The output current and IC5 of 2 pin (Iout2) of IC1: 6 pin of B are connected, and the end of resistance R ES1 is connected IC5: 6 pin of B, and 7 pin of the other end and IC5: B are connected, as feedback resistance; 7 pin of IC5: B are connected with 3 pin of IC7, and 2 pin of IC7 and 6 pin of IC7 are connected to form emitter follower circuit; Capacitor C AP3 one end is connected other end ground connection with 6 pin of IC7; Numerical control noise elimination potentiometer circuit comprises IC4 (74LS373), IC2 (AD7520), IC6: A (LF353), IC6: B (LF353), IC8 (LF351), CAP6 (0.01 μ), RES2 (20K), CAP4 (0.022 μ), W4 (10K); Radio station transmitting-receiving conversion and control is connected with the P17 pin of 8031 single-chip microcomputers (U1) with the end of the control circuit resistance R ES3 (30K) of functions such as calling-up button, off-hook, on-hook, and the other end is connected with the base stage of triode TT1 (9014); The P10-P14 mouth of 8031 single-chip microcomputers (U1) links to each other with the negative terminal of five switching diodes of D1-D5 (1N4148) respectively, and the anode of diode connects 5 current limliting isolation resistance R2-R6; The P15 mouth and U6 of 8031 single-chip microcomputers (U1): B (74LS04) 3 pin link to each other U6: 4 pin of B link to each other with the negative terminal of switching diode D6 (1N4148), and the anode of D6 is connected with current limliting isolation resistance R7 (22K).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95220486U CN2244789Y (en) | 1995-08-16 | 1995-08-16 | Full-automatic measuring controller for radio station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95220486U CN2244789Y (en) | 1995-08-16 | 1995-08-16 | Full-automatic measuring controller for radio station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2244789Y true CN2244789Y (en) | 1997-01-08 |
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ID=33868365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95220486U Expired - Fee Related CN2244789Y (en) | 1995-08-16 | 1995-08-16 | Full-automatic measuring controller for radio station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2244789Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101621341B (en) * | 2009-07-17 | 2011-01-05 | 天津七一二通信广播有限公司 | Automatic debugging method of wireless dispatch communication station |
-
1995
- 1995-08-16 CN CN95220486U patent/CN2244789Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101621341B (en) * | 2009-07-17 | 2011-01-05 | 天津七一二通信广播有限公司 | Automatic debugging method of wireless dispatch communication station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |