CN216459531U - Automatic liquid injection control device for wet tissue production - Google Patents
Automatic liquid injection control device for wet tissue production Download PDFInfo
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- CN216459531U CN216459531U CN202123060882.5U CN202123060882U CN216459531U CN 216459531 U CN216459531 U CN 216459531U CN 202123060882 U CN202123060882 U CN 202123060882U CN 216459531 U CN216459531 U CN 216459531U
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Abstract
The utility model discloses an automatic liquid injection control device for wet tissue production, which comprises a sensor monitoring component, a controller and an injection component, wherein the sensor monitoring component comprises a photoelectric sensor for detecting wet tissues on a conveyor belt, detection signals of the photoelectric sensor are sent into the controller after being processed by a filtering noise reduction circuit and an amplification stabilizing circuit in sequence, and the controller drives the injection component to work according to output signals of the sensor monitoring component; the utility model discloses a take care of to photoelectric sensor's detected signal, restrain external interference factor well and to photoelectric sensor's influence, avoid producing the wrong report and arouse the antiseptic solution to leak, greatly promote the validity of automatic notes liquid control.
Description
Technical Field
The utility model relates to a wet piece of cloth production facility technical field especially relates to a wet piece of cloth production is with automatic priming controlling means.
Background
The existing production device for the medical cleaning and disinfecting wet tissue realizes mechanical automatic injection mostly through control equipment such as a single chip microcomputer, and the production device for the medical cleaning and disinfecting wet tissue monitors the wet tissue on a conveying belt through a proximity sensor or a photoelectric sensor in the using process and then injects disinfectant into an injection gun by pumping the disinfectant. Because the sensor is easily influenced by the outside, the detection signal is easily subjected to noise interference, and false alarm occurs, so that when the wet tissue does not pass through the injection gun, liquid in the injection gun is directly sprayed out, disinfectant leakage is caused, and the effectiveness of automatic liquid injection control is seriously influenced.
So the utility model provides a new scheme to solve the problem.
SUMMERY OF THE UTILITY MODEL
In view of the above situation, in order to overcome the defects of the prior art, the present invention aims to provide an automatic liquid injection control device for producing wet tissues.
The technical scheme for solving the problem is as follows: wet piece of cloth production is with automatic priming controlling means, including sensor monitoring subassembly, controller and injection subassembly, sensor monitoring subassembly is including the photoelectric sensor who is used for detecting wet piece of cloth on the conveyer belt, photoelectric sensor's detected signal sends into after filter noise reduction circuit and the processing of enlarged stabilizing circuit in proper order in the controller, the controller basis sensor monitoring subassembly's output signal drive injection subassembly work.
Preferably, the filtering and noise reducing circuit comprises a capacitor C3, one end of the capacitor C3 is connected to the signal output end of the photosensor and is grounded through a resistor R1 and a capacitor C2 which are connected in parallel, the other end of the capacitor C3 is connected to one ends of an inductor L1 and a resistor R2, and the other ends of the inductor L1 and the resistor R2 are grounded through a capacitor C4.
Preferably, the amplification stabilizing circuit comprises an operational amplifier AR1, a non-inverting input terminal of the operational amplifier AR1 is connected to the other end of the inductor L1, an inverting input terminal and an output terminal of the operational amplifier AR1 are connected to a base of a transistor Q1 through a resistor R3, a collector of the transistor Q1 is connected to a +5V power supply, an emitter of the transistor Q1 is grounded through a resistor R4, one end of a resistor R6, a cathode of a zener diode DZ1 and the controller are connected through a resistor R5 and a capacitor C5 which are connected in parallel, and the other end of the resistor R6 and an anode of the zener diode DZ1 are connected in parallel to the ground.
Preferably, the photoelectric sensor is an ITR9702 reflective photoelectric sensor.
Through the technical scheme, the beneficial effects of the utility model are that: the utility model discloses a take care of photoelectric sensor's detected signal, restrain external interference factor well and arouse the antiseptic solution to leak, avoid producing the wrong report to arouse that the antiseptic solution leaks, greatly promote the validity of automatic notes liquid control.
Drawings
Fig. 1 is a schematic circuit diagram of the sensor monitoring assembly of the present invention.
Detailed Description
The foregoing and other technical matters, features and effects 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 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.
Wet piece of cloth production is with automatic priming controlling means, including sensor monitoring subassembly, controller and injection subassembly, sensor monitoring subassembly is including the photoelectric sensor who is used for detecting wet piece of cloth on the conveyer belt, photoelectric sensor's detected signal sends into after filtering noise reduction circuit and the processing of amplifying stabilization circuit in proper order in the controller, the controller basis sensor monitoring subassembly's output signal drive injection subassembly work.
The filtering and noise reducing circuit comprises a capacitor C3, one end of a capacitor C3 is connected with a signal output end of the photoelectric sensor and is grounded through a resistor R1 and a capacitor C2 which are connected in parallel, the other end of a capacitor C3 is connected with one ends of an inductor L1 and a resistor R2, and the other ends of an inductor L1 and a resistor R2 are grounded through a capacitor C4.
The amplifying and stabilizing circuit comprises an operational amplifier AR1, wherein the non-inverting input end of the operational amplifier AR1 is connected with the other end of an inductor L1, the inverting input end and the output end of the operational amplifier AR1 are connected with the base electrode of a triode Q1 through a resistor R3, the collector electrode of the triode Q1 is connected with a +5V power supply, the emitter electrode of the triode Q1 is grounded through a resistor R4, one end of a resistor R6, the cathode of a voltage stabilizing diode DZ1 and the controller are connected through a resistor R5 and a capacitor C5 which are connected in parallel, and the other end of the resistor R6 and the anode of the voltage stabilizing diode DZ1 are connected in parallel and grounded.
The utility model discloses when specifically using, photoelectric sensor chooses for use the model to be ITR9702 reflection type photoelectric sensor J1, and when wet piece of cloth was through photoelectric sensor J1 on the conveyer belt, photoelectric sensor J1 received the light signal that wet piece of cloth reflects back to acquire the detected signal. In order to avoid the influence of an external environment interference source on a detection signal, a filtering and noise reduction circuit is adopted to filter the detection signal of the photoelectric sensor, wherein a RC filter formed by a resistor R1 and a capacitor C2 is used for carrying out low-pass noise reduction on the detection signal of the photoelectric sensor J1 to eliminate external mechanical noise interference, and then the detection signal is coupled by a capacitor C3 and sent into an RLC trap formed by an inductor L1, a resistor R2 and a capacitor C4 to be processed, so that the interference of external light source noise is effectively inhibited, the detection signal precision is improved, and the validity of the detection signal is ensured.
Secondly, an operational amplifier AR1 in the amplification stabilizing circuit amplifies the detection signal after filtering and noise reduction by using a voltage follower principle, so that the intensity of the detection signal is rapidly improved and the detection signal is well stabilized; the triode Q1 plays a role in following and amplifying at the output end of the operational amplifier AR1, so that the signal processing efficiency is further improved, then a resistor R5 and a capacitor C5 form an RC buffer to buffer and adjust the output signal of the triode Q1, and detection false alarm caused by peak interference is effectively avoided; then, the detection signal is amplitude-stabilized by a voltage stabilizing diode DZ1 and then sent to the controller.
When the controller receives the detection signal, the controller judges that the wet tissue on the conveying belt reaches the designated position, the controller drives the injection assembly to work at the moment, and the disinfectant is injected into the wet tissue through the injection gun, so that the automatic liquid injection operation is completed. The utility model discloses a take care of photoelectric sensor's detected signal, restrain external interference factor well and arouse the antiseptic solution to leak, avoid producing the wrong report to arouse that the antiseptic solution leaks, greatly promote the validity of automatic notes liquid control.
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. Wet piece of cloth production is with automatic liquid injection controlling means, including sensor monitoring subassembly, controller and injection subassembly, its characterized in that: the sensor monitoring assembly comprises a photoelectric sensor used for detecting wet tissues on a conveyor belt, detection signals of the photoelectric sensor are sequentially processed by a filtering noise reduction circuit and an amplification stabilizing circuit and then sent into the controller, and the controller drives the injection assembly to work according to output signals of the sensor monitoring assembly.
2. The automatic liquid injection control device for producing wet tissues as claimed in claim 1, wherein: the filtering and noise reducing circuit comprises a capacitor C3, one end of a capacitor C3 is connected with a signal output end of the photoelectric sensor and is grounded through a resistor R1 and a capacitor C2 which are connected in parallel, the other end of a capacitor C3 is connected with one ends of an inductor L1 and a resistor R2, and the other ends of an inductor L1 and a resistor R2 are grounded through a capacitor C4.
3. The automatic liquid injection control device for producing wet tissues as claimed in claim 2, wherein: the amplifying and stabilizing circuit comprises an operational amplifier AR1, wherein the non-inverting input end of the operational amplifier AR1 is connected with the other end of an inductor L1, the inverting input end and the output end of the operational amplifier AR1 are connected with the base electrode of a triode Q1 through a resistor R3, the collector electrode of the triode Q1 is connected with a +5V power supply, the emitter electrode of the triode Q1 is grounded through a resistor R4, one end of a resistor R6, the cathode of a voltage stabilizing diode DZ1 and the controller are connected through a resistor R5 and a capacitor C5 which are connected in parallel, and the other end of the resistor R6 and the anode of the voltage stabilizing diode DZ1 are connected in parallel and grounded.
4. The automatic liquid injection control device for producing wet tissues as claimed in claim 1 or 3, wherein: the photoelectric sensor is an ITR9702 reflective photoelectric sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123060882.5U CN216459531U (en) | 2021-12-08 | 2021-12-08 | Automatic liquid injection control device for wet tissue production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123060882.5U CN216459531U (en) | 2021-12-08 | 2021-12-08 | Automatic liquid injection control device for wet tissue production |
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| Publication Number | Publication Date |
|---|---|
| CN216459531U true CN216459531U (en) | 2022-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123060882.5U Active CN216459531U (en) | 2021-12-08 | 2021-12-08 | Automatic liquid injection control device for wet tissue production |
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| CN (1) | CN216459531U (en) |
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2021
- 2021-12-08 CN CN202123060882.5U patent/CN216459531U/en active Active
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