KR960014643B1 - Measuring system for a fuse - Google Patents

Abstract

The apparatus measures a frequency, a DC voltage, an AC voltage and a doppler signal generated from the oscillator in the proximity fuse installed in the cannonball. The apparatus comprises: an AD converter(7) connecting to one terminal(a) of the oscillator(1) via a relay switch(SW1), a buffer(3), and an amplifier(5), connecting to another terminal(b) via a relay switch(SW2), a buffer(2) and an amplifier(4) and simultaneously via a relay switch(SW5), a buffer(14), an amplifier(15), a stabilization circuit(20) and a peak detector(17), connecting to another terminal(c) via relay switches(SW3, SW4) and a differential amplification circuit(6), and connecting to the other terminal(d) via a frequency detector(19), a data converter(18), a microprocessor(13), reset switches(10,11,12) and a displayer(9).

Description

Shell Melee Fuse Oscillator

1 is a circuit diagram of a shell proximity fuse oscillator measuring device according to the present invention.

* Explanation of symbols for main parts of the drawings

1: Oscillator 2,3,8,14,16: BUFFER

4,5,15: amplifier circuit 6: differential amplifier circuit

7: Analog Digital Converter (ADC)

9: display device 10: automatic switch

11: Manual Switch 12: Reset Switch

13: MICOM 17: Peak Detector

18: DATA converter 19: Frequency measuring device

20: stabilization circuit Q ₁ ~ Q ₅ : transistor

RL ₁ to RL ₅ : Relay SW ₁ to SW ₅ : Relay switch

OP ₁ to OP ₂ : Comparator OP ₃ : Differential Amplifier

C: condenser

The present invention relates to the oscillator assembly incorporated in the shell's proximity fuse, in particular the frequency (FREZUENCY), DC voltage (DC VOLT), AC voltage (AC VOLT), and Doppler signal (DOPPLER SIG NAL) generated from the oscillator. The present invention relates to an apparatus for measuring shell proximity fuse oscillating conjugates that can be measured.

The oscillator combination is embedded in the shell's proximity fuse. When power is applied to the shell's proximity fuse, the oscillator generates a frequency of several hundred MHZ and reflects the input frequency reflected from the target or the object and the first output frequency. A circuit designed to have a function of detecting a difference (ie, a Doppler signal).

Conventionally, since the apparatus for measuring and inspecting the performance of the oscillator assembly embedded in the shell's proximity fuse was not developed, it was not possible to measure the normal function of the oscillator assembly.

Accordingly, the present invention is to provide a shell proximity fuse oscillator measuring device that can solve the problems caused in the performance measurement and inspection of the conventional oscillator assembly as described above.

The present invention is a shell close fuse fuse oscillator measurement by measuring the frequency, alternating current (AC) voltage, direct current (DC) voltage and the Doppler signal generated from the oscillator coupled to the microcomputer by interconnecting the peripheral circuit to the microcomputer The purpose is to provide a device.

In addition, the present invention has another object to provide a shell proximity fuse oscillator measuring device that can be measured by operating or manually measuring each measurement item of the oscillator by the internal program (PROGRAM) of the microcomputer, the present invention Still another object is to provide a shell proximity fuse oscillator measuring device which can easily select only high quality products when the oscillating body is produced in large quantities by implementing the measuring device of the oscillating body.

In order to achieve the above object, the present invention is connected to the A / D converter 7 through the relay switch (SW1) and the buffer (3) and the amplification circuit (5) of the ⓐ stage of the oscillating assembly (1) that is the measurement object, The ⓑ stage of the oscillation coupling body 1 is connected to the A / D converter 7 via a relay switch SW ₂ , a buffer 2, and an amplification circuit 4, and at the same time, a buffer 14 through a relay switch SW ₅ . ) Is connected to the A / D converter 7 through a stabilization circuit 20 and a peak detector 17 composed of an amplification circuit 15 and a buffer 16, and the ⓒ stage of the oscillating assembly 1 is a relay. A differential amplifier circuit composed of a comparator (OP ₁ to OP ₂ ), an automatic amplifier (OP3) and a resistor (R ₆ to R ₈ ) through a switch (SW ₃ ) and a relay switch (SW ₄ ) to which '24 .7'V is applied ( 6), the output of which is connected to the A / D converter 7, and the output terminal of the A / D converter 7 is connected to the microcomputer 13 through the buffer 8, and the oscillator 1 )of Ⓓ stage is connected to the microcomputer 13 through the frequency measuring unit 19 and the data converter 18, automatic, manual, reset switching (10) (11), (12) of the myon (13) This is achieved by the shell proximity fuse oscillator measuring device characterized in that the relays RL ₁ to RL ₅ are connected to the connected transistors Q ₁ to Q ₅ and the display device 9.

The above and other objects, features, and effects of the present invention will be more clearly understood by the embodiments described in detail with reference to the accompanying drawings.

1 is a circuit diagram of the shell proximity fuse oscillator measuring apparatus according to the present invention.

Hereinafter, the operation relationship of the shell proximity tube oscillator conjugate measuring apparatus according to the present invention.

When the electrolyte bottle of the battery is destroyed by a mechanical device and power is applied to the oscillation assembly 1, a direct current (DC) voltage is output from the oscillation assembly 1 terminals ⓐ and ⓑ, and at the same time from the terminal ⓒ The current is output and the measuring device of the present invention is operated in the state where the frequencies are generated from the terminal ⓓ respectively.

A measurer measuring a signal output from each terminal ⓐ, ⓑ, ⓒ, ⓓ of the oscillation coupling body 1 is automatically connected to the MICOM 13 in order to measure each measurement item sequentially. The switch 10 is connected to the ON position.

By the automatic switch 10 in the on state, the microcomputer 13 first generates a driving signal for measuring the DC voltage output from the terminal ⓐ of the oscillation coupling body 1 according to a software program stored therein. It is output to the base terminal of the transistor Q ₁ .

The transistor Q ₁ supplied with the driving signal from the microcomputer 13 to the base end is turned on, and the turned-on transistor Q ₁ is excited of the relay RL1 connected to the collector end. The coil unit is excited, and the relay switch SW ₁ is turned on by the exciting coil of the relay RL ₁ in the excited state.

The DC voltage (eg, '2.5'V) output from the terminal ⓐ of the oscillation coupling body 1 is transmitted to the buffer BUFFER 3 through the relay switch SW ₁ turned on, and the buffer The DC voltage (for example, '2.5'V) transmitted to (3) is buffered, amplified to a certain level by the amplifying circuit 5, and transmitted to an analog digital converter (ADC) 7.

The analog DC voltage transmitted to the analog digital converter 7 is converted into a digital signal, and the DC voltage converted into a digital signal through the analog digital converter 7 is transmitted to the buffer 8, and the buffer 8 The DC voltage of the digital signal transmitted to is buffered and transmitted to the microcomputer 13.

Accordingly, the microcomputer 13 reads a signal of a DC voltage (for example, '2.5'V) transmitted and displays the signal on the display device 9 and simultaneously sets a reference range (for example,' 3.0'V to ' It is determined whether or not it is within 2.2'V) to determine whether to perform stable operation.

Further, in order to first measure the DC voltage among the DC voltage and the Doppler signal output from the terminal ⓑ of the oscillation coupling body 1, the microcomputer 13 transmits a driving signal based on a software program to the base of the transistor Q ₂ . The output will be

The transistor Q ₂ receiving the driving signal output from the microcomputer 13 is turned on, and the turned-on transistor Q ₂ excites the excitation coil portion of the relay RL ₂ connected to the collector stage. The relay switch SW ₂ is turned on by the exciting coil part of the relay RL ₂ in the excited state.

The DC voltage (eg, '10'V) output from the terminal () of the oscillation coupling body 1 is transmitted to the buffer 2 through the relay switch SW ₂ in the on state, and to the buffer 2. The transmitted DC voltage (for example, '10'V) is buffered through the buffer 2 and transmitted to the amplification stroke 4, and the DC voltage transmitted to the amplifier circuit 4 is transferred by the amplifier circuit 4. Amplified to a signal of a certain level and transmitted to the analog digital converter (7).

The analog DC voltage transmitted to the analog digital converter 7 is converted into a digital signal, and the DC voltage converted into a digital signal through the analog digital converter 7 is transmitted to the buffer 8, and the buffer 8 The DC signal, which is a digital signal transmitted to, is buffered and transmitted to the microcomputer 13.

Accordingly, the microcomputer 13 displays the signal of the DC voltage (for example, '10'V) transmitted and transmitted from the terminal () of the oscillation coupling body 1 on the display device 9 by itself, and at the same time, the microcomputer It is determined whether or not it is within a range (eg, '12'V to' 8'V) set and stored in (13) as a reference to determine whether to perform a stable operation.

In addition, in order to measure the Doppler signal among the DC voltage and the Doppler signal output from the terminal ⓑ of the oscillation coupling body 1, the microcomputer 13 transmits a driving signal according to a software program at the base end of the transistor Q ₅ . Will output

Transistor Q ₅ receiving the driving signal output from the microcomputer 13 to the base end is turned on, and the turned-on transistor Q ₅ is an excitation coil portion of the relay RL ₅ connected to the collector end. The excitation is performed, and the relay switch SW ₅ is turned on by the excitation coil part of the relay RL ₅ in the excited state.

The oscillation coupling body 1 is connected to the buffer 14 of the stabilization circuit 20 through the relay switch SW _{5 in} which the Doppler signal (eg, '30'mv) outputted from the terminal ⓑ is turned on. The DC component is blocked by the dancer C and transmitted to the buffer 14 of the stabilization circuit 20, and the Doppler signal (eg, '30'mv) transmitted to the buffer 14 of the stabilization circuit 20 is The Doppler signal buffered through the buffer 14 and transmitted to the amplifying circuit 15 is transmitted to the amplifying circuit 15 of the stabilization circuit 20. To the buffer 16 of the circuit 20.

The Doppler signal transmitted to the buffer 16 of the stabilization circuit 20 is buffered by the buffer 16 and transmitted to the non-inverting terminal (+) of the associative amplifier of the peak detector 17, and the peak detector By the Doppler signal (eg, '30mv) transmitted to the non-inverting terminal (+) of the operational amplifier (17), the cree detector 17 detects the magnitude of the maximum voltage of the Doppler signal from which the DC component is removed. The Doppler signal of the maximum voltage magnitude detected by the peak detector 17 is transmitted to the analog digital converter 7 connected to the output terminal of the peak detector 17.

The analog Doppler signal transmitted to the analog digital converter 7 is converted into a digital Doppler signal by the analog digital converter 7, and the signal converted into the digital Doppler signal is transmitted to the buffer 8. The digital Doppler signal transmitted to the NW is buffered by the buffer 8 and transmitted to the microcomputer 13.

Accordingly, the microcomputer 13 reads the Doppler signal (eg, '30'mv) output from the terminal ⓑ of the oscillation coupling body 1 and displays the same on the display device 9. It is determined whether or not it exists within a range (for example, '37mv to' 17'mv) set and stored in reference to (13)) to determine whether to perform a stable operation.

In addition, in order to measure the current output from the terminal ⓑ of the oscillation coupling body 1, the microcomputer 13 outputs a driving signal to the base terminal of each transistor Q ₃ to Q ₄ according to a software program. Done.

Transistors Q ₃ to Q _{4 that} receive the driving signal output from the microcomputer 13 to each base end are turned on, and each of the turned on transistors Q ₃ to Q ₄ is connected to the collector end. The exciting coil portion of each of the relays RL ₃ to RL ₄ is excited, and the relay switch SW ₃ is turned on by the exciting coil portion of each of the relays RL ₃ to RL ₄ in the excited state. At the same time, the relay switch SW ₄ is connected from the contact to the contact.

The ratio of the comparator (OP1) for automatic amplification circuit 6 through the terminals (ⓒ) current (for example, '4'mA) is the one race located in the on state (SW ₃₎ that is output from the oscillating assemblies (1) The current signal transmitted to the resistors R ₁ to R ₂ connected to the inverting terminal (+) and transmitted to the resistors R ₁ to R ₂ is a ratio of the comparator OP ₁ of the differential amplifier circuit 6. It is distributed by the resistors R ₁ to R ₂ connected to the inverting terminal +, and the distributed current signal is transmitted to the non-inverting terminal + of the comparator OP ₁ of the differential amplifier circuit 6.

On the other hand, the measurement condition voltage (that is, '24 .7'V) by the relay switch SW ₄ converted from the contact point to the contact point is the comparator OP ₂ of the differential amplifier circuit 6 through the contact point of the relay switch SW4. a is sent to the non-inverting terminal (+) resistance (R ~ ₃ R ₄₎ which is connected to the resistance (R ₃ ~ R ₄₎ the measured signal conditions (that is, '24 .7'V) is automatically transmitted to the amplifier circuit a comparator (OP ₂₎ and distributed by the resistance (R ₃ ~ R ₄₎ connected to the non-inverting terminal (+) of the said divided signal is a differential amplifier circuit 6 of the unit 6 of the comparator (OP ₂₎ Sent to non-inverting terminal (+).

Each signal output from each of the comparators OP ₁ and OP ₂ of the differential amplification circuit 6 is passed through each of the resistors R ₇ and R ₈ to each of the comparators OP ₁ and OP _{2 of the} differential amplification circuit 6. The ratio of the signal fed back to the inverting terminal (-) of) and fed back to the inverting terminal (-) of each of the comparators OP ₁ and OP ₂ of the differential amplifier circuit 6 and the respective amplifiers OP ₁ and OP ₂ By means of a signal transmitted to the inverting terminal (+), each of the amplifiers OP ₁ and OP _{2 of} the differential amplification circuit 6 differentials the difference in current flowing through the resistor R ₆ connected to both ends of each output terminal. is transmitted to the differential amplifier (OP ₃₎ of the amplifier circuit 6, and the resistor (R ₆₎ the difference between the current differential amplifier (OP ₃₎ of the differential amplifier circuit 6 is received flows to the difference of the transfer current Will be amplified to a certain level.

The signal amplified to a certain level by the differential amplifier OP ₃ of the differential amplifier circuit 6 is transmitted to the analog digital converter 7, and the current signal transmitted to the analog digital converter 7 is analog digital. The digital current signal is converted into a digital current signal through the converter 7 and transmitted to the buffer 8, and the digital current signal transmitted to the buffer 8 is buffered by the buffer 8 and transmitted to the microcomputer 13.

Accordingly, the microcomputer 13 reads the current signal transmitted from the terminal ⓒ of the oscillation coupling body 1 so that the display device 9 is displayed, and at the same time, the microcomputer 13 is set and stored on the basis of the microcomputer 13. It is determined whether or not it is within a range (for example, a range from '4.5' mA to '3.5' mA) to determine whether to perform a stable operation.

In addition, an oscillation frequency (for example, '435'MHZ) output from the terminal ⓓ of the oscillation coupling body 1 is transmitted to a frequency (FREQUENCY) measuring instrument 19 through an antenna and transmitted to the frequency measuring instrument 19. The oscillation frequency (for example, '435'MHZ) is measured by the frequency measuring device 19 and transmitted to the data converter 18, and the oscillation frequency transmitted to the data converter 18 is the data converter 18. The data is converted through and transmitted to the microcomputer 13.

Accordingly, the microcomputer 13 reads the oscillation frequency signal (for example, '435'MHZ) outputted from the terminal () of the oscillation coupling body 1 and displays the same on the display device 9. It is determined whether or not it is within a stored range (for example, the range of '450'MHZ to' 430'MHZ)) set as a reference to 13) to determine whether to perform a stable operation.

On the other hand, when the operator performing the measurement process is turned off (OFF) the automatic switch 10 installed in the measuring device while manually turning on the manual switch 11 that can be measured, each measurement item of the oscillating assembly (1) It is possible to measure by.

In addition, when the operator manipulates the reset switch 12 to initialize the system of the measuring device, the circuit of the measuring device is reset to be in a standby state so that the other oscillating body 1 can be measured.

As described above, the present invention provides an oscillator coupled measuring device in which a plurality of peripheral circuits are connected to the microcomputer 13, thereby automatically or manually inspecting measurement items such as DC voltage, Doppler voltage, current and oscillation frequency, and displaying the display device. When the data displayed in (9) has a value existing within the range set as a reference, it is determined that the oscillation assembly performs accurate operation, so that a good product can be selected during mass production.

Claims (1)

The ⓐ stage of the oscillating assembly 1, which is the measurement target, is connected to the A / D converter 7 through the relay switch SW ₁ , the buffer 3, and the amplifying circuit 5, and the ⓑ stage of the oscillating assembly 1 is connected. It is connected to the A / D converter 7 through the relay switch SW ₂ and the buffer 2 and the amplifying circuit 4, and at the same time the buffer 14, the amplifying circuit 15 and the buffer through the relay switch SW ₅ . The A / D converter 7 is connected to the A / D converter 7 through a stabilization circuit 20 and a peak detector 17 formed of (16), and the oscillator coupling unit ⓒ stage has a relay switch SW3 and a '24 .7'V. Connect the differential amplifier circuit 6 composed of the comparators OP ₁ to OP ₂ , the differential amplifiers OF ₃ , and the resistors R ₆ to R | ₈ through an applied relay switch SW ₄ , and outputs the above output. The A / D converter 7 is connected, and the output terminal of the A / D converter 7 is connected to the microcomputer 13 through the buffer 8, and the ⓒ end of the oscillation coupling body 1 is a frequency measuring device 19. And Data Converters (18) A transistor Q connected to the microcomputer 13 through the microcomputer 13 and having automatic, manual, reset switches 10, 11, and 12 connected to the microcomputer 13, and relays RL ₁ to RL ₅ . ₁ ~ Q ₅ ) and the shell proximity fuse oscillator assembly measuring device characterized in that by connecting.

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