CN202177461U

CN202177461U - Protective device for eccentric shaft of burning-free brick device

Info

Publication number: CN202177461U
Application number: CN2011202496677U
Authority: CN
Inventors: 傅哲龙
Original assignee: 何鸿珠
Priority date: 2011-07-15
Filing date: 2011-07-15
Publication date: 2012-03-28
Anticipated expiration: 2021-07-15

Abstract

The utility model relates to a protective device, and especially relates to a protective device for the eccentric shaft of a burning-free brick device. The protective device for the eccentric shaft of a burning-free brick device comprises a temperature sensing detection circuit, a single-chip microcomputer control circuit, a display circuit, a voice alarm circuit and a carrier wave signal phase lock circuit. Signals collected by the temperature sensing detection circuit are sent to the single-chip microcomputer control circuit via an A\D data converting circuit, and are controlled to be output to the display circuit, the voice alarm circuit and the carrier wave signal phase lock circuit by the single-chip microcomputer control circuit. The output signals of the carrier wave signal phase lock circuit are transmitted to a carrier wave signal decoding circuit by a frequency selective amplifier circuit. According to the utility model, temperature-sensitive diodes are adopted as a signal collection source which is converted via A\D data and then controlled by a single-chip microcomputer, such that voice alarm signals are sent and a current temperature value is displayed; and meanwhile, alarm information is sent to a carrier wave host via electric carrier wave signals for the purpose of remote and real-time monitoring and alarming, thereby guaranteeing normal operation of equipment.

Description

Non-burning brick equipment core shift axle protective device

Technical field

The utility model relates to a kind of protective device, particularly be a kind of non-burning brick equipment core shift axle protective device.

Background technology

The most hydraulic vibration principle that adopts of existing non-burning brick equipment is vibrated cloth, rotates through hydraulic drive shaking table core shift axle, if but the too high core shift axle that will make of core shift shafting oil temperature damages easily, and base is to causing mechanical fault.

The utility model content

The purpose of the utility model is to provide a kind of non-burning brick equipment core shift axle protective device.

The utility model solves the technical scheme that its technical matters adopted: non-burning brick equipment core shift axle protective device; Comprise temperature-sensitive sensing detection circuit, single chip machine controlling circuit, display circuit, voice alarm circuit and carrier signal phase lock circuitry; The signal of said temperature-sensitive sensing detection circuit collection through D data converting circuit send to single chip machine controlling circuit; Export display circuit, voice alarm circuit and carrier signal phase lock circuitry to by single chip machine controlling circuit control, the output signal of said carrier signal phase lock circuitry is through frequency-selecting amplifier circuit transmission to carrier signal decoding scheme.

Said temperature-sensitive sensing detection circuit by temperature-sensitive diode QL series capacitance C1 after, parallel resistance R1, the resistance R 1 potentiometer W1 that connects again constitutes.

Said temperature-sensitive diode QL is installed in the non-burning brick vibration equipment platform core shift axle axle box.

Said voice alarm circuit is made up of the triode Q1, speech chip IC4, LM386 amplifying circuit IC5 and the loudspeaker Y that connect successively.

Said carrier signal phase lock circuitry is made up of LM567 tone decoder U1 and peripheral electric capacity 1C1, resistance 1R1, resistance 1R2 thereof.

Said frequency-selecting amplifier circuit is made up of elementary L1, electric capacity 1C2, the capacitor 1C3 of triode VT1, audio-frequency transformer (AFT) T, and sends data-signal through telephone wire to the carrier signal decoding scheme through secondary L2, the electric capacity 1C4 of audio-frequency transformer (AFT) T.

Said carrier signal decoding scheme is made up of the audio-frequency transformer (AFT) T1, LM567 ATD U2, triode VT2 and the LED that connect successively.

Through adopting above-mentioned technical scheme; The beneficial effect of the utility model is: this device adopts the temperature-sensitive diode as the signals collecting source, after the A/D data-switching, sends the audio alert signal through Single-chip Controlling; And demonstration current temperature value; Send warning message through power carrier signal to the carrier wave main frame simultaneously, reach the purpose that remote real-time monitoring is reported to the police, guarantee the normal operation of equipment.

Description of drawings

Fig. 1 is the frame assumption diagram of the utility model;

Fig. 2 is the circuit theory diagrams of the utility model.

Embodiment

Like Fig. 1, shown in Figure 2; The non-burning brick equipment core shift axle protective device of the utility model; Comprise temperature-sensitive sensing detection circuit 1, single chip machine controlling circuit 3, display circuit 4, voice alarm circuit 5 and carrier signal phase lock circuitry 6; The signal that said temperature-sensitive sensing detection circuit 1 is gathered through D data converting circuit 2 send to single chip machine controlling circuit 3; Export display circuit 4, voice alarm circuit 5 and carrier signal phase lock circuitry 6 to by single chip machine controlling circuit 3 controls, the output signal of said carrier signal phase lock circuitry 6 transfers to carrier signal decoding scheme 8 through frequency-selecting amplifier circuit 7.

Said temperature-sensitive sensing detection circuit 1 by temperature-sensitive diode QL series capacitance C1 after, parallel resistance R1, the resistance R 1 potentiometer W1 that connects again constitutes, temperature-sensitive diode QL is installed in the non-burning brick vibration equipment platform core shift axle axle box.At axle temperature just often; Resistance R 1 and potentiometer W1 dividing potential drop; This signal is input to the 2nd pin input end of A/D conversion chip IC3, after the A/D data-switching, signal is input to the 22nd, 23,24 pin of single-chip microcomputer IC1, forms the indicated data communication circuit by the 3rd, 4,5,6 pin of display I C2 and the 39th, 1,2,3 pin of single-chip microcomputer IC1; Read the data message of A/D conversion chip IC3 through single-chip microcomputer IC1 after, send drive signal and make display IC2 show current core shift axle temperature value.

When axle temperature was higher than preset temperature, the resistance of temperature-sensitive diode QL diminished, resistance R 1 and potentiometer W1 dividing potential drop; This signal is input to the 2nd pin input end of A/D conversion chip IC3, after the A/D conversion, signal is input to single-chip microcomputer IC1 the 22nd, 23,24 pin, after single-chip microcomputer IC1 internal processes is judged; Send data message by single-chip microcomputer IC1 to display IC2, show current core shift axle temperature value, and export high level signal through resistance R 8 current limlitings by the 6th pin of single-chip microcomputer IC1 through display IC2; Make triode Q1 get into conducting state; Therefore speech chip level IC4 obtains supply voltage, and the 2nd pin of speech chip level IC4 is exported the audio alert signal, is coupled to the 3rd pin of LM386 amplifying circuit IC5 through capacitor C 1; After its internal audio frequency amplifies; After the 5th foot meridian capacitor C2 of LM386 amplifying circuit IC5 coupling is amplified, promote loudspeaker Y and send chimes of doom again, alert core shift axle hydraulic fluid temperature is higher; Should fix a breakdown; The multivibrator that is made up of LM567 tone decoder U1 and peripheral electric capacity 1C1, resistance 1R1, resistance 1R2 thereof is simultaneously formed carrier signal phase lock circuitry 6, and its oscillation frequency is by the parameter determining of electric capacity 1C1, resistance 1R1, and carrier frequency is adjusted in the 150-300KHZ scope.Elementary L1, electric capacity 1C2, capacitor 1C3 by triode VT1, audio-frequency transformer (AFT) T constitute frequency-selecting amplifier circuit 7; The 25th pin output high level signal by single-chip microcomputer IC1; Make LM567 tone decoder U1 obtain working power; LM567 tone decoder U1 starts working, and is coupled on local telephone network speaking wire or the AC network AC220V power lead and is sent by secondary L2, the electric capacity 1C4 of audio-frequency transformer (AFT) T, sends data-signal to the carrier wave main frame.

Said carrier signal decoding scheme 8 is made up of the audio-frequency transformer (AFT) T1, LM567 ATD U2, triode VT2, the LED that connect successively; The time constant of resistance 2R1, electric capacity 2C5 network has determined the voltage controlled oscillator of LM567 ATD U2; When the carrier wave extension set when main frame sends 150-300KHZ carrier wave command signal; Be coupled to the secondary L3 of audio-frequency transformer (AFT) T through electric capacity 2C1, audio-frequency transformer (AFT) T1, its secondary L3, electric capacity 2C2, electric capacity 2C3 form a carrier wave frequency selection network.Signal after the frequency-selecting is coupled to the 3rd pin signal input part of LM567 ATD U2 through electric capacity 2C4; After LM567 ATD U2 decoding,, make triode VT2 conducting by its 8th pin output terminal output low level; LED is lighted; Receive the carrier data signal of extension set, explained that non-burning brick equipment core shift shafting oil temperature is too high, reached the purpose that remote real-time monitoring is reported to the police.

An above-described preferred embodiment that is merely the utility model can not limit the scope that this practicality is implemented, and every equalization of being done according to the utility model claim changes and decorates, and all should still belong in the scope that the utility model contains.

Claims

1. non-burning brick equipment core shift axle protective device; It is characterized in that: comprise temperature-sensitive sensing detection circuit (1), single chip machine controlling circuit (3), display circuit (4), voice alarm circuit (5) and carrier signal phase lock circuitry (6); The signal that said temperature-sensitive sensing detection circuit (1) is gathered through D data converting circuit (2) send to single chip machine controlling circuit (3); Export display circuit (4), voice alarm circuit (5) and carrier signal phase lock circuitry (6) to by single chip machine controlling circuit (3) control, the output signal of said carrier signal phase lock circuitry (6) transfers to carrier signal decoding scheme (8) through frequency-selecting amplifier circuit (7).

2. non-burning brick equipment core shift axle protective device according to claim 1 is characterized in that: said temperature-sensitive sensing detection circuit (1) by temperature-sensitive diode QL series capacitance C1 after, parallel resistance R1, the resistance R 1 potentiometer W1 that connects again constitutes.

3. non-burning brick equipment core shift axle protective device according to claim 2 is characterized in that: said temperature-sensitive diode QL is installed in the non-burning brick vibration equipment platform core shift axle axle box.

4. non-burning brick equipment core shift axle protective device according to claim 1 is characterized in that: said voice alarm circuit (5) is made up of the triode Q1, speech chip IC4, LM386 amplifying circuit IC5 and the loudspeaker Y that connect successively.

5. non-burning brick equipment core shift axle protective device according to claim 1 is characterized in that: said carrier signal phase lock circuitry (6) is made up of LM567 tone decoder U1 and peripheral electric capacity 1C1, resistance 1R1, resistance 1R2 thereof.

6. non-burning brick equipment core shift axle protective device according to claim 1; It is characterized in that: said frequency-selecting amplifier circuit (7) is made up of elementary L1, electric capacity 1C2, the capacitor 1C3 of triode VT1, audio-frequency transformer (AFT) T, and sends data-signal through telephone wire to carrier signal decoding scheme (8) through secondary L2, the electric capacity 1C4 of audio-frequency transformer (AFT) T.

7. according to claim 1 or 6 described non-burning brick equipment core shift axle protective devices, it is characterized in that: said carrier signal decoding scheme (8) is made up of the audio-frequency transformer (AFT) T1, LM567 ATD U2, triode VT2 and the LED that connect successively.