CN217605589U - Dust monitoring device for polyester cotton yarn production workshop - Google Patents
Dust monitoring device for polyester cotton yarn production workshop Download PDFInfo
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- CN217605589U CN217605589U CN202221520272.0U CN202221520272U CN217605589U CN 217605589 U CN217605589 U CN 217605589U CN 202221520272 U CN202221520272 U CN 202221520272U CN 217605589 U CN217605589 U CN 217605589U
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- dust concentration
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- dust
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Abstract
The utility model discloses a wash cotton yarn workshop dust monitoring devices, including dust concentration monitoring module and controller, dust concentration monitoring module is including setting up the dust concentration sensor in washing cotton yarn workshop, dust concentration sensor's detected signal is sent into after two fortune are put stable regulating circuit and phase control circuit processing in proper order in the controller, the controller is still through data serial ports connection WIFI module, the utility model discloses a dust concentration sensor who sets up in washing cotton yarn workshop comes to detect workshop environment dust concentration, and its detected signal is sent to two fortune with the form of signal of telecommunication and is put stable regulating circuit and phase control circuit and handle in, effectively avoids the interference that factors such as workshop environment air current fluctuation and temperature produced dust concentration sensor detected signal, guarantees that the dust concentration testing result is accurate reliable.
Description
Technical Field
The utility model relates to a wash cotton yarn production facility technical field, especially relate to a wash cotton yarn workshop dust monitoring device.
Background
The conventional polyester cotton yarn production processing method is that polyester and cotton are respectively subjected to blowing and cotton carding procedures to prepare raw cotton strips, the raw cotton strips are subjected to pre-merging, strip-merging and rolling procedures to prepare combed cotton slivers, the raw polyester strips are subjected to pre-merging procedures to prepare pre-drawing, then the combed cotton slivers and the pre-drawing polyester strips are subjected to three-pass mixing in the drawing procedure to prepare roving and spun yarns, and finally, the roving and spun yarns are subjected to automatic spooling procedures to form finished products. In the production process of cotton yarns, a large amount of flocculent fiber floating dust is easy to float in the workshop environment to cause harm to human bodies, so that the dust in the workshop needs to be monitored in real time, and timely alarming and ventilation are carried out when the dust in the workshop exceeds a safety range. And receive the interference of factors such as workshop environment air current fluctuation and temperature, lead to the imbalance to appear easily in dust concentration sensor signal processing process, and mix with a large amount of harmful clutter, seriously influence the accuracy that dust concentration detected, can't make timely warning and ventilation when dust harm appears in the production environment, cause the harm to human respiratory.
So the utility model provides a new scheme to solve the problem.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming the defect of prior art, the utility model aims to provide a wash cotton yarn workshop dust monitoring device.
The technical scheme for solving the problem is as follows: the utility model provides a wash cotton yarn workshop dust monitoring devices, includes dust concentration monitoring module and controller, dust concentration monitoring module is including setting up the dust consistency transmitter in washing cotton yarn workshop, dust consistency transmitter's detected signal sends into after putting stabilizing the regulating circuit and phase control circuit processing through two fortune in proper order in the controller, the controller is still through data serial ports connection WIFI module.
Preferably, the double operational amplifier stabilizing and adjusting circuit comprises an operational amplifier AR1 and an operational amplifier AR2, the non-inverting input end of the operational amplifier AR1 is connected with one end of a resistor R1, a capacitor C2 and an inductor L1, the other end of the capacitor C1 and the other end of the capacitor C2 are grounded, the other end of the inductor L1 is connected with the signal output end of the dust concentration sensor, the other end of the resistor R1 is connected with a grid electrode of a MOS (metal oxide semiconductor) tube Q1, the inverting input end of the operational amplifier AR1 is connected with one end of the resistor R2 and one end of the capacitor C3, the non-inverting input end of the operational amplifier AR2 is grounded, and the output end of the operational amplifier AR2 is connected with the other end of the capacitor C3.
Preferably, the phase adjusting circuit includes an operational amplifier AR3, a non-inverting input terminal of the operational amplifier AR3 is connected to an output terminal of the operational amplifier AR2 and a cathode of the zener diode DZ1, an anode of the zener diode DZ1 is grounded, an inverting input terminal of the operational amplifier AR3 is connected to an output terminal of the operational amplifier AR3 and the controller through a resistor R4 and a capacitor C4 connected in parallel, and an output terminal of the operational amplifier AR3 is further grounded through a resistor R5.
Preferably, the controller is a single chip microcomputer with an A/D conversion function.
Through the technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses a dust concentration sensor who sets up in washing cotton yarn workshop comes to detect workshop environment dust concentration, and its detected signal is handled in sending to two fortune with the form of signal of telecommunication and putting stable regulating circuit and phase adjustment circuit, effectively avoids factors such as workshop environment air current fluctuation and temperature to the interference of dust concentration sensor detected signal production, guarantees that the dust concentration testing result is accurate reliable.
2. The controller sends real-time dust concentration data to the user terminal through the WIFI module, and timely informs a user when dust concentration safety early warning occurs, so that the health and safety of production personnel are greatly guaranteed.
Drawings
Fig. 1 is the circuit schematic diagram of the dust concentration monitoring module of the present invention.
Detailed Description
The foregoing and other technical and other features and advantages of the invention will be apparent from the following more particular description of the embodiments of the invention, as illustrated in the accompanying drawings in which reference is made to fig. 1. 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.
The utility model provides a wash cotton yarn workshop dust monitoring devices, includes dust concentration monitoring module and controller, dust concentration monitoring module is including setting up the dust consistency transmitter in washing cotton yarn workshop, dust consistency transmitter's detected signal sends into after putting stabilizing the regulating circuit and phase control circuit processing through two fortune in proper order in the controller, the controller is still through data serial ports connection WIFI module.
As shown in fig. 1, the double operational amplifier stabilizing and adjusting circuit includes an operational amplifier AR1 and an operational amplifier AR2, the non-inverting input end of the operational amplifier AR1 is connected with one end of a resistor R1, a capacitor C2 and an inductor L1, the other end of the capacitor C1 and the other end of the capacitor C2 are grounded, the other end of the inductor L1 is connected with the signal output end of the dust concentration sensor, the other end of the resistor R1 is connected with the gate of a MOS transistor Q1, the non-inverting input end of the operational amplifier AR1 is connected with one end of the resistors R2 and R3, the output end of the operational amplifier AR1 is connected with the drain of the MOS transistor Q1, the source of the MOS transistor Q1 is connected with the non-inverting input end of the operational amplifier AR2 and one end of the capacitor C3, the non-inverting input end of the operational amplifier AR2 is grounded, and the output end of the operational amplifier AR2 is connected with the other end of the resistor R3 and the capacitor C3.
The phase adjusting circuit comprises an operational amplifier AR3, the non-inverting input end of the operational amplifier AR3 is connected with the output end of the operational amplifier AR2 and the cathode of the voltage stabilizing diode DZ1, the anode of the voltage stabilizing diode DZ1 is grounded, the inverting input end of the operational amplifier AR3 is connected with the output end of the operational amplifier AR3 and the controller through a resistor R4 and a capacitor C4 which are connected in parallel, and the output end of the operational amplifier AR3 is grounded through a resistor R5.
The utility model discloses when specifically using, come to detect workshop environment dust concentration through the dust concentration sensor who sets up in washing cotton yarn workshop, its detected signal handles in sending to two fortune with the form of signal of telecommunication and putting stable regulating circuit and phase adjustment circuit, and concrete principle is as follows: firstly, the double-operational-amplifier stable regulating circuit adopts LC filtering formed by an inductor L1 and a capacitor C1 to reduce noise of a detection signal, and effectively filters the influence of high-frequency interference generated by an external environment on a dust concentration sensor; the detection signal after LC filtering is sent into a composite operational amplifier composed of operational amplifiers AR1 and AR2 for two-stage amplification, the signal amplification efficiency is rapidly improved, MOS tube Q1 charging adjusting tubes are directly added into the operational amplifiers AR1 and AR2, the detection signal in the operational amplification process is improved by utilizing the good temperature characteristic of the MOS tube Q1, and therefore the influence of the environment temperature on the dust concentration detection is effectively reduced; the composite operational amplifier is also added with closed-loop feedback compensation in the amplification process, and the operational amplifier feedback principle is utilized to effectively reduce system errors and improve the processing precision of detection signals.
Further, the phase adjustment circuit firstly adopts zener diode DZ1 to carry out amplitude stabilization processing to the output signal of the composite operation and amplifier, promotes the stability of dust concentration detection signal amplitude, then sends into the operation and amplifier AR3 and further follows the amplification, resistance R4 and electric capacity C4 form resistance-capacitance feedback at the amplification in-process of operation and amplifier AR3, utilize the phase compensation principle can the time signal waveform effectively to be adjusted when workshop environment air current appears undulant, guarantee that dust concentration detection signal output is accurate stable.
When specifically setting up, the singlechip that has AD conversion function is chooseed for use to the controller, the AD conversion module through the singlechip carries out analog-to-digital conversion to dust concentration monitoring module's output signal, and carry out analysis operation by singlechip CPU, thereby acquire the real-time dust concentration data in the cotton yarn workshop of washing, singlechip accessible WIFI module sends real-time dust concentration data to user terminal, and in time inform the user when taking place dust concentration safety precaution, thereby producer's health safety has greatly been guaranteed.
The above description is provided for further details of the present invention with reference to the specific embodiments, which should not be construed as limiting the present invention; to the utility model discloses affiliated and relevant technical field's technical personnel are based on the utility model discloses under the technical scheme thinking prerequisite, the extension of doing and the replacement of operating method, data all should fall within the utility model discloses within the protection scope.
Claims (4)
1. The utility model provides a wash cotton yarn workshop dust monitoring devices, includes dust concentration monitoring module and controller, its characterized in that: dust concentration monitoring module is including setting up the dust concentration sensor in washing cotton yarn workshop, dust concentration sensor's detected signal sends into after two fortune are put stabilizing regulation circuit and phase adjustment circuit in proper order and are handled in the controller, the controller is still through data serial ports connection WIFI module.
2. The dust monitoring device for the polyester cotton yarn production workshop according to claim 1, characterized in that: the double-operational-amplifier stable regulating circuit comprises an operational amplifier AR1 and an operational amplifier AR2, the same-phase input end connecting resistor R1 of the operational amplifier AR1, one end of the capacitor C1, one end of the C2 and one end of the inductor L1 are grounded, the other end of the capacitor C1 and the other end of the C2 are grounded, the other end of the inductor L1 is connected with the signal output end of the dust concentration sensor, the other end of the resistor R1 is connected with the grid electrode of the MOS tube Q1, the reverse-phase input end of the operational amplifier AR1 is connected with one end of the resistors R2 and R3, the output end of the operational amplifier AR1 is connected with the drain electrode of the MOS tube Q1, the reverse-phase input end of the operational amplifier AR2 and one end of the capacitor C3 are connected with the source electrode of the MOS tube Q1, the same-phase input end of the operational amplifier AR2 is grounded, and the output end of the operational amplifier AR2 is connected with the other end of the resistors R3 and the capacitor C3.
3. The dust monitoring device for the polyester cotton yarn production workshop according to claim 2, characterized in that: the phase adjusting circuit comprises an operational amplifier AR3, the in-phase input end of the operational amplifier AR3 is connected with the output end of the operational amplifier AR2 and the cathode of a voltage stabilizing diode DZ1, the anode of the voltage stabilizing diode DZ1 is grounded, the reverse phase input end of the operational amplifier AR3 is connected with the output end of the operational amplifier AR3 and the controller through a resistor R4 and a capacitor C4 which are connected in parallel, and the output end of the operational amplifier AR3 is grounded through a resistor R5.
4. The polyester cotton yarn production workshop dust monitoring device according to any one of claims 1-3, characterized in that: the controller adopts a singlechip with A/D conversion function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221520272.0U CN217605589U (en) | 2022-06-17 | 2022-06-17 | Dust monitoring device for polyester cotton yarn production workshop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221520272.0U CN217605589U (en) | 2022-06-17 | 2022-06-17 | Dust monitoring device for polyester cotton yarn production workshop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217605589U true CN217605589U (en) | 2022-10-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221520272.0U Active CN217605589U (en) | 2022-06-17 | 2022-06-17 | Dust monitoring device for polyester cotton yarn production workshop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217605589U (en) |
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2022
- 2022-06-17 CN CN202221520272.0U patent/CN217605589U/en active Active
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