CN212752224U

CN212752224U - Spraying machine linked with inorganization dust pipe, control and treatment integrated platform

Info

Publication number: CN212752224U
Application number: CN202021753160.0U
Authority: CN
Inventors: 裴二宾
Original assignee: Hebi Huachen Environmental Protection Equipment Co ltd
Current assignee: Hebi Huachen Environmental Protection Equipment Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-03-19
Anticipated expiration: 2030-08-20

Abstract

The utility model discloses a with unorganized dust pipe, control, manage sprayer of integration platform linkage, including motor, reduction gear, impeller, the utility model discloses a fault detection module includes speed sensor, signal comparison circuit, enlarge the frequency modulation circuit, signal comparison circuit utilizes speed sensor U1 to detect the rotational speed signal of the output shaft of reduction gear and utilizes triode Q1 to improve the driving force and transmit to fortune ware U2A and compare with standard rotational speed signal, after fortune ware U2A outputs the high level, transmit electric capacity C3 to triode Q2 after switching on, triode Q3 amplifies, and transmit to triode Q4, electric capacity C6, electric capacity C7, inductance L1 and electric capacity C5 carry out the frequency modulation, and utilize sprayer inductance L2, noise in the rotational speed signal after electric capacity C8 and varactor D2 filtering frequency modulation, the effectual reduction gear of having solved does not have the problem of effectual detection mode, the dust suppression effect of the sprayer is ensured.

Description

Spraying machine linked with inorganization dust pipe, control and treatment integrated platform

Technical Field

The utility model relates to an air purification technical field, especially a sprayer with unorganized dust pipe, accuse, the linkage of accuse integration platform.

Background

The industrial revolution brings technical progress and dust particles harmful to human bodies, and in order to reduce or even avoid the harm, the prior art generally adopts an unorganized dust pipe, a control and control integrated platform and a spraying machine to be linked to control the concentration of the dust particles in the air so as to reduce the concentration of the dust particles to a safe range.

The sprayer generally sprays water into the air through a water pump to reduce dust, in order to increase the performance of the sprayer in the prior art, a speed reducer is generally added between a motor and an impeller of the water pump to improve the effect of the sprayer, wherein whether the motor or the speed reducer works normally directly influences the working effect of the sprayer, whether the motor works normally can be realized by detecting voltage or power, if the speed reducer is lack of lubrication for a long time or is damaged, the dust suppression effect of the sprayer is also influenced, and an effective detection mode is not provided for the failure of the speed reducer in the prior art.

Therefore, the utility model provides a new scheme to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a with unorganized dust pipe, accuse, the sprayer of treating integration platform linkage, the effectual reduction gear of having solved the sprayer does not have the problem of effectual detection mode.

The technical scheme includes that the spraying machine linked with the unorganized dust pipe, control and treatment integrated platform comprises a motor, a speed reducer, an impeller and a fault detection module, wherein the fault detection module comprises a rotating speed sensor, a signal comparison circuit and an amplification frequency modulation circuit, the rotating speed sensor is installed on an output shaft of the speed reducer, the signal comparison circuit utilizes the rotating speed sensor U1 to detect a rotating speed signal of the output shaft of the speed reducer, utilizes a triode Q1 to improve driving capability and transmits the rotating speed signal to an operational amplifier U2A to be compared with a standard rotating speed signal, after the operational amplifier U2A outputs high level, a capacitor C3 is conducted and then transmitted to a triode Q2 and a triode Q3 to be amplified and then transmitted to a triode Q4, a capacitor C6, a capacitor C7, an inductor L1 and a capacitor C5 to be subjected to frequency modulation, and utilizes an inductor L2, a capacitor C8 and a varactor D2 to filter noise in the rotating speed signal after frequency modulation, and transmitting the rotating speed signal to an unstructured dust pipe, control and control integrated platform.

The utility model discloses a following beneficial effect:

the rotating speed signal of the output shaft of the speed reducer is detected by a rotating speed detection device U1 with the model number YY920 and is compared with a standard rotating speed signal on a comparator which is a transmitter U2A, when the rotating speed signal is lower than the standard rotating speed signal, namely, the transmitter U2A continuously outputs high level, the rotating speed signal is amplified through a triode Q2 and a triode Q3 and frequency modulated through a triode Q4, a capacitor C6, a capacitor C7, an inductor L1 and a resistor R12, and noise in the rotating speed signal after frequency modulation is filtered by the inductor L2, the capacitor C8 and a varactor D2, so that the rotating speed signal is analyzed by a non-organization dust pipe, control and control integrated platform, the problem that the speed reducer of the spraying machine does not have an effective detection mode is effectively solved, and the effect of dust suppression work is ensured.

Drawings

Fig. 1 is a schematic diagram of a signal comparison circuit in the circuit of the present invention.

Fig. 2 is a schematic diagram of an amplifying frequency modulation circuit in the circuit of the present invention.

Detailed Description

The foregoing and other technical and scientific aspects, features and advantages of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings of fig. 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 spraying machine linked with an unorganized dust pipe and a control and control integrated platform is characterized in that a fault detection module is arranged between a speed reducer and an impeller of the spraying machine, the fault detection module comprises a rotating speed sensor, a signal comparison circuit and an amplification frequency modulation circuit, wherein the rotating speed sensor is arranged on an output shaft of the speed reducer, the rotating speed sensor U1 is used for detecting a rotating speed signal of the output shaft of the speed reducer on the spraying machine and transmitting the rotating speed signal to the unorganized dust pipe and control integrated platform, the signal comparison circuit firstly detects the rotating speed signal of the output shaft of the speed reducer on the spraying machine by using a rotating speed sensor U1 with the model number YY920, a bipolar TVS diode D1 is used for suppressing electromagnetic interference, the electromagnetic interference is discharged to the ground by using a resistor R2 and a capacitor C2 and is transmitted to a triode Q1 by using a resistor R1, and the capacity of driving an operator U2A, the rotating speed signal is output to the inverting terminal of the operational amplifier U2A through the emitter of the triode Q1, at the moment, the operational amplifier U2A is used as a comparator, the rotating speed signal detected by the rotating speed sensor U1 is compared with the standard rotating speed signal, when the operational amplifier U2A outputs a low level, the rotating speed signal is larger than the standard rotating speed signal, the rotating speed of the motor of the spraying machine is not reduced, when the operational amplifier U2A outputs a high level, the rotating speed signal is smaller than the standard rotating speed signal, the rotating speed of the motor of the spraying machine is reduced, in order to avoid the instant rotating speed reduction of the motor from influencing the judgment of the rotating speed signal of the unorganized dust pipe, control and management integrated platform, the instant reduced rotating speed signal is isolated by the characteristic that the two ends of the capacitor C3 cannot suddenly change, and the continuously reduced instant signal is transmitted to the frequency modulation circuit to be used for the unorganized dust pipe, control and management, the amplifying frequency modulation circuit utilizes a triode Q3 to receive a rotating speed signal output by a signal comparison circuit, the triode Q2 and a triode Q3 form a composite amplifying circuit for amplifying the amplitude value of the rotating speed signal, a capacitor C9 is utilized to filter ripples in a positive polarity voltage source VCC, proper voltages are respectively provided for the triode Q2 and the triode Q3 through a resistor R8, a resistor R9 and a resistor R10, the amplified rotating speed signal is transmitted to the triode Q4, the capacitor C6, the capacitor C7, an inductor L1 and the resistor R12 through a diode D3 to carry out frequency modulation so as to improve the anti-jamming capability of the rotating speed signal, the inductor L1 is a variable inductor, the coil winding of the variable inductor can be changed to change the adjusted frequency, and then the inductor L2, the capacitor C8 and a varactor D2 are utilized to modulate and filter noise in the rotating speed signal so as to avoid the influence of the noise in the rotating speed signal, thereby being beneficial to the non-organized, The control and control integrated platform analyzes the rotating speed signal, an effective detection mode is provided for a speed reducer of the spraying machine, and the dust suppression effect of the spraying machine is ensured;

the signal comparison circuit adopts a speed sensor U1 with the model number YY920 to detect a speed signal of an output shaft of a speed reducer on the sprayer, a capacitor C1 is used for filtering ripples in a positive power supply VCC to provide working voltage for the speed sensor U1, in order to avoid the interference of electromagnetic interference on the speed signal, a bipolar TVS diode D1 is used for inhibiting the electromagnetic interference, the resistor R2 and the capacitor C2 are used for discharging the electromagnetic interference to the ground and transmitting the electromagnetic interference to a triode Q1 through a resistor R1, the triode Q1 is used for improving the capacity of driving an operational amplifier U2A by the speed signal, the resistor R4 is a collector resistor of a triode Q1, the positive power supply VCC provides proper voltage for a triode Q1 through the resistor R4, the speed signal is output to the opposite end of an operational amplifier U2A through an emitter of the triode Q1, at the moment, the operational amplifier U2A is used as a comparator, and the speed signal detected by the speed sensor U1 is compared with a standard speed, when the operational amplifier U2A outputs a low level, the rotating speed signal is larger than the standard rotating speed signal, the rotating speed of the motor of the spraying machine is not reduced, when the operational amplifier U2A outputs a high level, the rotating speed signal is smaller than the standard rotating speed signal, the rotating speed of the motor of the spraying machine is reduced, in order to avoid the condition that the rotating speed of the instantaneous motor is reduced to influence the judgment of the rotating speed signal by the unorganized dust pipe, control and treatment integrated platform, the instantaneously reduced rotating speed signal is isolated by the characteristic that two ends of the capacitor C3 cannot be suddenly changed, the continuously reduced instantaneous signal is transmitted to the amplifying and frequency modulation circuit to be used for the unorganized dust pipe, control and treatment integrated platform to analyze the rotating speed signal, the device comprises a capacitor C1, one end of a capacitor C1 is respectively connected with one end of a resistor R4, a VCC pin of a rotating speed sensor U1 is connected with a positive polarity power supply VCC, and the other end, One end of a bipolar TVS diode D1, one end of a resistor R2 and one end of a resistor R1, a gnd pin of a rotational speed sensor U1 is connected with the other end of a bipolar TVS diode D1, one end of a capacitor C2 and one end of a resistor R3 respectively, the other end of a resistor R2 is connected with the other end of a capacitor C2, the other end of a resistor R1 is connected with a base of a triode Q1, a collector of the triode Q1 is connected with the other end of a resistor R4, an emitter of the triode Q1 is connected with the other end of a resistor R3 and one end of a resistor R5 respectively, the other end of the resistor R5 is connected with an inverting end of an operational amplifier U2A, a non-inverting end of the operational amplifier U2A is connected with one end of a resistor R6, the other end of the resistor R6 is connected with a standard rotational speed signal, and an output end of the operational;

the amplifying frequency modulation circuit utilizes a triode Q3 to receive a rotating speed signal output by a signal comparison circuit, a triode Q2 and a triode Q3 form a composite amplifying circuit to amplify the amplitude value of the rotating speed signal, a triode Q2 is connected into the circuit in a common base amplifying mode, a triode Q3 is connected into the circuit in a common emitter amplifying mode, the common base amplifying circuit is utilized to ensure the frequency response characteristic of the rotating speed signal, the common emitter amplifying circuit is used to amplify the amplitude value of the rotating speed signal, a capacitor C9 is used to filter ripples in a positive voltage source VCC, a resistor R8, a resistor R9 and a resistor R10 are used to respectively provide proper voltages for a triode Q2 and a triode Q3, the amplified rotating speed signal is transmitted to a frequency modulation circuit through a diode D3, the triode Q4, a capacitor C6, a capacitor C7, an inductor L1 and a resistor R12 to improve the anti-jamming capability of the rotating speed signal, a resistor R10 and a resistor R11 form a voltage, the device provides proper base voltage for a triode Q4, an inductor L1 is a variable inductor, the coil winding of the inductor L2, a capacitor C8 and a varactor D2 are changed to filter noise in a rotational speed signal after frequency modulation so as to avoid the influence of the noise in the rotational speed signal on the rotational speed signal, and the device is favorable for analyzing the rotational speed signal by an unorganized dust pipe, control and treatment integrated platform and comprises a triode Q3, wherein the base of the triode Q3 is respectively connected with one end of a resistor R7, one end of a resistor R9 and the other end of a capacitor C3 in a signal comparison circuit, the emitter of the triode Q3 is respectively connected with one end of a capacitor C4, the other end of a resistor R7, one end of a resistor R11, one end of a capacitor C6, one end of a resistor R12, one end of a capacitor C8 and the cathode of a varactor D2 are grounded, the collector of the triode Q3 is connected with the emitter of the triode Q2 in parallel, the base of the transistor Q2 is connected to one end of the resistor R8, the other end of the resistor R9, and the other end of the capacitor C4, the collector of the transistor Q2 is connected to one end of R13 and the anode of the diode D3, the other end of the resistor R13 is connected to the other end of the resistor R8, one end of the inductor L1, one end of the resistor R10, and one end of the capacitor C9, the other end of the capacitor C9 is connected to the positive power source VCC, the cathode of the diode D9 is connected to one end of the capacitor C9, the other end of the capacitor C9 is connected to the other end of the resistor R9, the base of the transistor R9, the other end of the resistor R9, the emitter of the transistor Q9 is connected to the other end of the capacitor C9, the other end of the capacitor R9, and the collector of the transistor Q9 is connected to the other end of the inductor L9, one end of the inductor L9 is connected to the other end of the capacitor, The positive electrode of the variable capacitance diode D2, the unorganized dust pipe, the control and control integrated platform.

When the utility model is used, the signal comparison circuit firstly utilizes the speed sensor U1 with the model YY920 to detect the speed signal of the output shaft of the reducer on the sprayer, utilizes the bipolar TVS diode D1 to suppress electromagnetic interference, and utilizes the resistor R2 and the capacitor C2 to discharge the electromagnetic interference to the ground, and transmits the electromagnetic interference to the triode Q1 through the resistor R1, utilize the triode Q1 to improve the capacity of the speed signal driving operation amplifier U2A, the speed signal is output to the inverting terminal of the operation amplifier U2A through the emitter of the triode Q1, at this moment, the operation amplifier U2A is used as a comparator, compare the speed signal detected by the speed sensor U1 with the standard speed signal, when the operation amplifier U2A outputs a low level, the speed signal is greater than the standard speed signal, then the motor speed is not reduced, and when the operation amplifier U2A outputs a high level, the speed signal is less than the standard speed signal, the rotating speed of the motor of the spraying machine is reduced, in order to avoid the condition that the rotating speed signal of the unorganized dust pipe, the control and treatment integrated platform is influenced by the reduction of the instantaneous rotating speed of the motor, the instantaneously reduced rotating speed signal is isolated by utilizing the characteristic that two ends of a capacitor C3 can not be suddenly changed, the continuously reduced instantaneous signal is transmitted to an amplifying frequency modulation circuit to be analyzed by the unorganized dust pipe, control and treatment integrated platform, the amplifying frequency modulation circuit utilizes a triode Q3 to receive the rotating speed signal output by a signal comparison circuit, a triode Q2 and a triode Q3 form a composite amplifying circuit to amplify the amplitude value of the rotating speed signal, a capacitor C9 is utilized to filter ripples in a positive polarity voltage source VCC, appropriate voltages are respectively provided for a triode Q735 and a triode Q3 through a resistor R8, a resistor R23 and a resistor R10, and the amplified rotating speed signal is transmitted to a triode Q4, a triode Q7335, the capacitor C6, the capacitor C7, the inductor L1 and the resistor R12 are used for frequency modulation to improve the anti-interference capability of the rotating speed signal, the inductor L1 is a variable inductor, the coil winding of the inductor L1 can be changed to change the adjusted frequency, and then the inductor L2, the capacitor C8 and the variable capacitance diode D2 are used for filtering noise in the rotating speed signal after frequency modulation to avoid the influence of the noise in the rotating speed signal on the rotating speed signal, so that the rotating speed signal is analyzed by an unstructured dust tube, control and control integrated platform;

the rotating speed signal of an output shaft of a speed reducer on the spraying machine is detected by a rotating speed detection device U1 with the model number YY920 and is compared with a standard rotating speed signal on a comparator with a conveyor U2A, when the rotating speed signal is lower than the standard rotating speed signal, namely the conveyor U2A continuously outputs high level, the rotating speed signal is amplified through a triode Q2 and a triode Q3 and frequency modulated through a triode Q4, a capacitor C6, a capacitor C7, an inductor L1 and a resistor R12, and noise in the rotating speed signal after frequency modulation is filtered by the inductor L2, the capacitor C8 and a varactor D2, so that the rotating speed signal is analyzed by a non-organization dust pipe, control and treatment integrated platform, the problem that the speed reducer of the spraying machine lacks an effective detection mode is effectively solved, and the effect of dust suppression work is ensured.

Claims

1. A spraying machine linked with an unorganized dust pipe, a control and control integrated platform comprises a motor, a speed reducer and an impeller, and is characterized by further comprising a fault detection module, wherein the fault detection module comprises a rotating speed sensor, a signal comparison circuit and an amplification frequency modulation circuit, the rotating speed sensor is mounted on an output shaft of the speed reducer, the signal comparison circuit utilizes the rotating speed sensor U1 to detect a rotating speed signal of the output shaft of the speed reducer, utilizes a triode Q1 to improve driving capability and transmits the rotating speed signal to an operational amplifier U2A to be compared with a standard rotating speed signal, after the operational amplifier U2A outputs high level, a capacitor C3 is conducted and then transmitted to a triode Q2 and a triode Q3 to be amplified, and then transmitted to a triode Q4, a capacitor C6, a capacitor C7, an inductor L1 and a capacitor C5 to be subjected to frequency modulation, and after noise in the rotating speed signal is filtered by utilizing an inductor L2, a capacitor C8 and a varactor D2, and transmitting the rotating speed signal to an unstructured dust pipe, control and control integrated platform.

2. The spraying machine as claimed in claim 1, wherein the signal comparison circuit comprises a capacitor C1, one end of the capacitor C1 is connected to one end of a resistor R4, the VCC pin of a rotation speed sensor U1 is connected to a positive power VCC, the other end of the capacitor C1 is connected to the out pin of a rotation speed sensor U1, one end of a bipolar TVS diode D1, one end of a resistor R2, and one end of a resistor R1, the gnd pin of the rotation speed sensor U1 is connected to the other end of a bipolar TVS diode D1, one end of a capacitor C2, and one end of a resistor R3, the other end of a resistor R2 is connected to the other end of a capacitor C2, the other end of a resistor R1 is connected to the base of a transistor Q1, the collector of a transistor Q1 is connected to the other end of a resistor R4, and the emitter of a transistor Q1 is connected to the other end of a resistor R3, and the other end of a transistor, One end of the resistor R5, the other end of the resistor R5 is connected with the inverting end of the operational amplifier U2A, the in-phase end of the operational amplifier U2A is connected with one end of the resistor R6, the other end of the resistor R6 is connected with a standard rotating speed signal, and the output end of the operational amplifier U2A is connected with one end of the capacitor C3.

3. The sprayer according to claim 1, wherein the amplifying and frequency-modulating circuit comprises a transistor Q3, the base of the transistor Q3 is connected to one end of a resistor R7, one end of a resistor R9, and the other end of a capacitor C3 in the signal comparison circuit, the emitter of the transistor Q3 is connected to one end of a capacitor C4, the other end of a resistor R7, one end of a resistor R11, one end of a capacitor C6, one end of a resistor R12, one end of a capacitor C8, and the cathode of a varactor D2, the collector of the transistor Q3 is connected to the emitter of the transistor Q2, the base of the transistor Q2 is connected to one end of a resistor R8, the other end of a resistor R9, and the other end of a capacitor C4, the collector of the transistor Q2 is connected to one end of a resistor R13, the anode of a diode D3, and the other end of a resistor R13 is connected to the other end of a resistor R8, One end of an inductor L1, one end of a resistor R10 and one end of a capacitor C9, the other end of the capacitor C9 is connected with a positive polarity power supply VCC, the cathode of a diode D3 is connected with one end of a capacitor C5, the other end of the capacitor C5 is connected with the other end of a resistor R10, the base of a triode Q4 and the other end of a resistor R11, the emitter of the triode Q4 is connected with the other end of a capacitor C6, the other end of the resistor R12 and one end of a capacitor C7, the collector of the triode Q4 is connected with the other end of the inductor L1, one end of the inductor L2 and the other end of the capacitor C7, and the other end of the inductor L2 is connected with the other end of a capacitor C8, the anode of a varactor D2, an uno.