CN111044819A - Early warning system and method for tiny droplet release device - Google Patents
Early warning system and method for tiny droplet release device Download PDFInfo
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- CN111044819A CN111044819A CN201911280748.0A CN201911280748A CN111044819A CN 111044819 A CN111044819 A CN 111044819A CN 201911280748 A CN201911280748 A CN 201911280748A CN 111044819 A CN111044819 A CN 111044819A
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Abstract
The invention discloses an early warning system and an early warning method for a tiny droplet release device, and relates to the field of electronic control. Therefore, by adopting the early warning system and the early warning method, the conditions of the internal temperature of the tiny droplet release device and the droplet release times can be intuitively known, and the warning can be sent out in time, so that the stability of the droplet release state is ensured.
Description
Technical Field
The invention relates to the technical field of electronic control, in particular to an early warning system and an early warning method for a tiny droplet release device.
Background
The micro-droplet release device utilizes the characteristics of piezoelectric ceramics, generates mechanical force by voltage, and closes a valve when the piezoelectric ceramics are charged; when the piezoelectric ceramic is powered off, the valve is opened. Because the space of the switch valve is extremely small, the action frequency is extremely high, and the micro liquid can be released at high speed.
At present, the operation condition inside the device under high-frequency work can be displayed only through a control box matched with the device or cannot be displayed. Therefore, the operation condition inside the device and the replacement condition of the wearing parts cannot be intuitively known. For example, liquid in the device needs to pass through a plurality of sealing rings when flowing, the sealing rings need to be replaced in time after reaching a certain service life, otherwise liquid leakage may be caused, the sealing rings cannot be replaced on time, and the stability of liquid drop release is affected; for another example, when the temperature inside the device is too high, the service life of some parts and the state of liquid release may be affected.
Disclosure of Invention
Aiming at the defects, the technical problems to be solved by the invention are as follows: the invention provides an early warning system and method for a tiny droplet release device, which can detect the internal condition of the tiny droplet release device and visually display the internal condition, thereby ensuring the stability of the droplet release state.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the early warning system of a tiny droplet release device comprises a shell, wherein a display unit is arranged on the outer side of the shell, a microprocessor and a sensor assembly are arranged on the inner side of the shell, and the microprocessor is electrically connected with the display unit and the sensor assembly respectively; the sensor assembly collects electric signals corresponding to the temperature in the shell and the releasing times of the liquid drops and sends the electric signals to the microprocessor, and the microprocessor controls the display unit to display corresponding warning signals according to the received electric signals.
Preferably, the display unit comprises at least two alarm lamps, and the microprocessor controls the on/off, flashing frequency and/or lighting color of each alarm lamp to display the corresponding warning signal.
Preferably, a sealing ring is arranged between a liquid inlet and a liquid outlet of the micro-droplet release device, the system further comprises a timing unit for timing the replacement time limit of the sealing ring, the timing unit is electrically connected with the microprocessor, the timing unit times to transmit corresponding electric signals to the microprocessor, and the microprocessor controls the alarm lamps to flash.
Preferably, the sensor assembly includes a temperature sensor, the temperature sensor transmits a temperature signal to the microprocessor, the microprocessor compares the temperature signal with a preset value, and if the temperature is greater than the preset value, the microprocessor controls each of the alarm lamps to emit colored light.
Preferably, the sensor assembly includes a speed sensor for counting the number of times of droplet release, the speed sensor transmits a number signal corresponding to the number of droplet release to the microprocessor, the microprocessor matches the number signal with a preset value, and controls the alarm lamps of corresponding number to emit light according to the matching result.
Preferably, each of the alarm lamps is a full-color LED lamp, and each of the full-color LED lamps is electrically connected to the microprocessor through an LED driving circuit.
A prewarning method of a tiny droplet release device is applied to the prewarning system of the tiny droplet release device, and comprises the following steps:
acquiring data collected by the sensor assembly;
judging whether the data is matched with a preset value or not;
if the control signals are matched with the control signals, generating corresponding control signals;
and controlling each display unit to display a warning signal according to the control signal.
Preferably, the system further comprises a timing unit for timing the replacement time limit of the sealing ring, and the display unit comprises at least two alarm lamps;
then, the method further comprises the steps of:
judging whether the timing unit times or not;
and if the timing time is up, controlling each early warning lamp to flicker according to the control signal.
Preferably, when the data is the temperature value in the shell,
the judging whether the data is matched with a preset value specifically comprises the following steps:
judging whether the temperature value is larger than a preset value or not;
if so, generating a corresponding control signal;
and controlling each early warning lamp to emit colored light according to the control signal.
Preferably, the display unit comprises at least three alarm lamps;
then, when the data in the method is a numerical value corresponding to the number of times of droplet release,
the judging whether the data is matched with a preset value specifically comprises the following steps:
judging whether the numerical value is less than one hundred million;
if the alarm signal is smaller than the preset threshold value, controlling all the alarm lamps to be on according to the control signal;
judging whether the numerical value is in the range of one hundred million and two hundred million;
if yes, controlling the two alarm lamps to be on according to the control signal;
judging whether the numerical value is more than two hundred million;
and if the number of the alarm lamps is larger than the preset value, controlling one alarm lamp to be on according to the control signal.
After the technical scheme is adopted, the invention has the beneficial effects that:
the early warning system comprises a display unit arranged outside a shell of the micro liquid drop release device, a microprocessor and a sensor assembly arranged inside the shell, wherein the sensor assembly acquires electric signals corresponding to the temperature and the liquid drop release times in the shell and sends the electric signals to the microprocessor, the microprocessor matches the received signals with set values, and the display unit is controlled to display corresponding warning signals according to matching results. Therefore, by adopting the early warning system and the early warning method, the conditions of the internal temperature of the tiny droplet release device and the droplet release times can be intuitively known, and the warning can be sent out in time, so that the stability of the droplet release state is ensured.
Because the display unit includes two at least alarm lamps, microprocessor shows corresponding warning signal through controlling each alarm lamp bright go out, scintillation frequency and/or luminous colour, utilizes simple structure, easy alarm lamp of operation, comes the internal situation of visual display, the cost is reduced.
Because a sealing ring is arranged between a liquid inlet and a liquid outlet of the micro-droplet release device, the system also comprises a timing unit for timing the replacement time limit of the sealing ring, the timing unit is electrically connected with the microprocessor, the timing unit times and transmits corresponding electric signals to the microprocessor, and the microprocessor controls each alarm lamp to flash; the timing unit automatically monitors the service life of the sealing ring, so that the parts can be replaced in time when reaching the service life limit.
The sensor assembly comprises a temperature sensor, the temperature sensor transmits a temperature signal to the microprocessor, the microprocessor compares the temperature signal with a preset value, and if the temperature is greater than the preset value, the microprocessor controls each alarm lamp to emit colored light; the temperature sensor is used for monitoring the internal temperature of the micro-droplet release device, and once the maximum upper limit is reached, the alarm lamp timely sends out a colored light alarm.
The sensor assembly comprises a speed sensor for counting the releasing times of the liquid drops, the speed sensor transmits a time signal corresponding to the releasing times of the liquid drops to the microprocessor, the microprocessor matches the time signal with a preset numerical value, and the corresponding number of alarm lamps are controlled to emit light according to a matching result; the working frequency range of the micro-droplet release device is known through a speed sensor.
In summary, compared with the prior art, the early warning system and method of the tiny droplet release device of the present invention have the following advantages:
1. whether the micro-droplet release device is electrified or not can be intuitively known through the alarm lamp;
2. the working frequency range of the micro-droplet release device can be intuitively known through the alarm lamp, so that the working stability difference of the devices using different durations can be noticed in time;
3. whether the sealing ring needs to be replaced or not can be visually judged through the alarm lamp, and instability of liquid drop release caused by the fact that the sealing ring is not replaced in time is prevented;
4. the internal temperature of the micro-droplet release device can be visually judged to be higher than the early warning temperature through the alarm lamp, and a worker is reminded of timely maintenance.
Drawings
FIG. 1 is a schematic view of a droplet discharge apparatus according to the present invention;
FIG. 2 is a schematic block diagram of an early warning system of the droplet discharge apparatus of the present invention;
FIG. 3 is a flow chart of a method for warning the droplet discharge device according to the present invention;
in the figure: 1-shell, 2-alarm lamp, 3-microprocessor, 4-sensor component, 5-liquid outlet, 6-liquid inlet, 7-sealing ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and 2, the early warning system of a tiny droplet release device comprises a shell 1, a display unit is arranged on the outer side of the shell 1, the display unit is preferably provided with alarm lamps 2 and at least two alarm lamps 2, a microprocessor 3 and a sensor assembly 4 are arranged on the inner side of the shell 1, the microprocessor 3 is respectively and electrically connected with the display unit and the sensor assembly 4, and in the embodiment, the microprocessor 3 is electrically connected with each alarm lamp 2; the sensor assembly 4 collects electric signals corresponding to the temperature in the shell 1 and the releasing times of liquid drops and sends the electric signals to the microprocessor 3, the microprocessor 3 controls the display unit to display corresponding warning signals according to the received electric signals, and in the embodiment, the microprocessor 3 controls the alarm lamps 2 to be on or off, and controls the flashing frequency and/or the lighting color to display the corresponding warning signals. Of course, the display unit is not limited to the alarm lamp 2 described above, and may be a touch panel or the like.
According to the early warning system, the temperature and the droplet release times in the micro droplet release device are collected through the sensor assembly 4, whether the internal temperature reaches the warning value or not is visually displayed through the warning lamps 2, and the droplet release times are displayed, so that the internal condition of the micro droplet release device can be visually observed, related processing is prompted, and the stability of the droplet release state is guaranteed. Further, it is also possible to display whether or not the droplet discharge device is energized by turning on or off the alarm lamp 2.
As shown in fig. 1, three alarm lamps 2 are arranged outside the housing 1, each alarm lamp 2 is a full-color LED lamp, and each full-color LED lamp is electrically connected with the microprocessor 3 through an LED driving circuit.
As shown in fig. 2, the sensor assembly includes a temperature sensor, the temperature sensor collects the temperature in the housing 1 and transmits a temperature signal to the microprocessor, the microprocessor compares the temperature signal with a preset value, if the temperature is greater than the preset value, the microprocessor controls the alarm lamp to emit colored light, such as orange light, around the alarm lamp, i.e., when the full-color LED lamp emits colored light, the user knows that the temperature in the device is too high, and the device is shut down for maintenance, so as to prevent a fault; the preset value is usually 75 ℃ without limitation. The microprocessor controls the full-color LED lamp to display the temperature early warning mode, but not limited to the mode listed above.
As shown in fig. 2, the sensor assembly includes a speed sensor for counting the number of times of droplet release, the speed sensor transmits a number signal corresponding to the number of droplet release to the microprocessor, and the microprocessor matches the number signal with a preset value and controls the corresponding number of alarm lamps to emit light according to the matching result.
The method comprises the following steps: when the number of times of releasing the liquid drops is less than one hundred million times, the microprocessor controls all full-color LED lamps to be turned on; when the number of times of releasing the liquid drops is more than or equal to one hundred million times and less than or equal to two hundred million times, the two full-color LED lamps are turned on; when the number of times of droplet release is more than two hundred million, a full-color LED lamp is on. The user can intuitively obtain the state of releasing the liquid drops through the number of the luminous full-color LED lamps. The mode of displaying the droplet release times by the full-color LED lamp is controlled by the microprocessor, and is not limited to the mode listed above, and similarly, the sensor for collecting the droplet release times is not limited to the speed sensor listed above.
As shown in fig. 1, a sealing ring 7 is arranged between a liquid inlet 6 and a liquid outlet 5 of the micro-droplet release device, and the system further comprises a timing unit for timing the replacement time limit of the sealing ring 7, the timing unit is electrically connected with the microprocessor 3, the timing unit counts time and transmits corresponding electric signals to the microprocessor 3, and the microprocessor 3 controls the full-color LED lamps to flash. The timing unit may be a timing function inside the microprocessor 3, or may be hardware such as a timer. The invention reminds the user to replace the sealing ring 7 by the twinkling of the full-color LED lamp, thereby avoiding the problem caused by forgetting to replace the sealing ring 7, avoiding the need of manual timing for replacing time limit, and further ensuring the stability of the liquid drop release state.
In addition, the full-color LED lamp adopts LED lamp bead core sheets with four basic colors of white (including various illumination white lights such as cold white and warm white), red, green and blue (R, G, B), the LED lamp bead core sheets are packaged in various forms, each group of colors can be separately and independently used and are respectively and electrically connected with the LED drive circuit and the microprocessor.
Of course, the alarm lamp is not limited to the full-color LED lamp listed above, as long as it can be displayed in a differentiated manner so as to give different warnings.
Example two:
as shown in fig. 3, a method for warning a droplet discharge device is applied to the warning system of the droplet discharge device,
the early warning method comprises the following steps:
s1, acquiring data acquired by the sensor assembly;
step S2, judging whether the data is matched with a preset value;
step S3, if matching, generating a corresponding control signal;
step S4, controlling the display unit to display the corresponding alarm signal according to the control signal; in this embodiment, the display unit includes at least two warning lamps.
After the method is adopted, the internal condition of the micro liquid drop release device can be visually displayed through the on-off, the flashing and the colored light of the alarm lamp, so that a user can carry out corresponding operation by visually observing the alarm lamp, thereby ensuring the stability of the state of the released liquid drops; the method of the invention has the advantages of simple operation, easy realization and low cost.
As shown in fig. 3, the early warning system of the micro-droplet discharge apparatus further includes a timing unit for timing a replacement timing of the packing,
then, the method of the present invention further comprises the steps of:
judging whether the timing unit times or not;
and if the timing time is up, controlling each early warning lamp to flicker according to the control signal.
In the step, the replacement time limit of the sealing ring is automatically monitored through the timing unit, so that the reliability is improved, and the stability of the state of releasing the liquid drops is further ensured.
As shown in fig. 3, when the data collected in step S1 is the temperature value in the shell,
then, step S2 is specifically:
judging whether the temperature value is larger than a preset value or not;
if so, generating a corresponding control signal;
according to the control signal, each early warning lamp is controlled to emit colored light, and in the embodiment, each full-color LED lamp is controlled to emit orange light.
The monitoring of the internal temperature of the micro-droplet release device is realized through the steps, and once the temperature reaches the early warning temperature (the highest temperature, such as 75 ℃), the warning is sent out by emitting colored light, so that a user can stop the machine for maintenance in time.
As shown in fig. 1, 2 and 3, the display unit at least comprises three alarm lamps, and each alarm lamp is a full-color LED lamp;
then, when the data in step S1 is the value corresponding to the number of times of droplet discharge,
step S2 specifically includes:
judging whether the numerical value is less than one hundred million;
if the current value is less than the preset value, controlling all alarm lamps to be on according to the control signal, namely all full-color LED lamps to be on;
judging whether the numerical value is in the range of one hundred million and two hundred million;
if yes, controlling two alarm lamps to be on according to the control signal, namely two full-color LED lamps to be on;
judging whether the numerical value is more than two hundred million;
if the value is larger than the preset value, controlling an alarm lamp to be on according to the control signal, namely, controlling a full-color LED lamp to be on.
By the method, the droplet release times of the micro droplet release device are reliably monitored, and a user can know the droplet release state conveniently.
In summary, the invention solves the problem caused by the prior art that the internal condition of the tiny droplet release device cannot be seen directly, and the invention visually displays the internal state through the alarm lamp, reminds the user to replace the part reaching the service life limit in time through simple and clear display, ensures the stability of the droplet release state, and has simple structure, easy realization and low cost.
The above-mentioned preferred embodiments of the present invention are not intended to limit the present invention, and any modifications, equivalent improvements of the method for providing a warning of droplet discharge, etc. within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The early warning system of the tiny droplet release device comprises a shell, and is characterized in that a display unit is arranged on the outer side of the shell, a microprocessor and a sensor assembly are arranged on the inner side of the shell, and the microprocessor is electrically connected with the display unit and the sensor assembly respectively;
the sensor assembly collects electric signals corresponding to the temperature in the shell and the releasing times of the liquid drops and sends the electric signals to the microprocessor, and the microprocessor controls the display unit to display corresponding warning signals according to the received electric signals.
2. The warning system of a droplet discharge apparatus according to claim 1, wherein the display unit includes at least two warning lamps, and the microprocessor displays a corresponding warning signal by controlling on/off, a flashing frequency and/or a lighting color of each of the warning lamps.
3. The system of claim 2, wherein a sealing ring is disposed between the liquid inlet and the liquid outlet of the droplet discharging device, and the system further comprises a timing unit for timing the time limit for replacing the sealing ring, the timing unit is electrically connected to the microprocessor, the timing unit counts time and transmits a corresponding electrical signal to the microprocessor, and the microprocessor controls each of the alarm lamps to flash.
4. The system of claim 2, wherein the sensor assembly comprises a temperature sensor, the temperature sensor transmits a temperature signal to the microprocessor, the microprocessor compares the temperature signal with a preset value, and the microprocessor controls each of the alarm lamps to emit a colored light if the temperature is greater than the preset value.
5. The warning system of droplet discharge apparatus of claim 2, wherein the sensor assembly includes a speed sensor for counting the number of times of droplet discharge, the speed sensor transmits a number signal corresponding to the number of droplet discharge to the microprocessor, the microprocessor matches the number signal with a preset value, and controls the warning lamps in a corresponding number to emit light according to the matching result.
6. The warning system for a droplet discharge apparatus according to any one of claims 2 to 5, wherein each of the warning lamps is a full-color LED lamp, and each of the full-color LED lamps is electrically connected to the microprocessor through an LED drive circuit.
7. A method for warning a droplet discharge device, which is applied to the warning system of a droplet discharge device according to any one of claims 1 to 6, the method comprising the steps of:
acquiring data collected by the sensor assembly;
judging whether the data is matched with a preset value or not;
if the control signals are matched with the control signals, generating corresponding control signals;
and controlling each display unit to display a warning signal according to the control signal.
8. The method for warning a droplet discharge apparatus according to claim 7, wherein the system further comprises a timing unit for timing a seal ring replacement timing, and the display unit comprises at least two alarm lamps;
then, the method further comprises the steps of:
judging whether the timing unit times or not;
and if the timing time is up, controlling each early warning lamp to flicker according to the control signal.
9. The method for warning of a droplet discharge apparatus according to claim 8, wherein when the data is the temperature value in the casing,
the judging whether the data is matched with a preset value specifically comprises the following steps:
judging whether the temperature value is larger than a preset value or not;
if so, generating a corresponding control signal;
and controlling each early warning lamp to emit colored light according to the control signal.
10. The warning method of a fine droplet discharge apparatus according to claim 7, wherein the display unit includes at least three warning lamps;
then, when the data in the method is a numerical value corresponding to the number of times of droplet release,
the judging whether the data is matched with a preset value specifically comprises the following steps:
judging whether the numerical value is less than one hundred million;
if the alarm signal is smaller than the preset threshold value, controlling all the alarm lamps to be on according to the control signal;
judging whether the numerical value is in the range of one hundred million and two hundred million;
if yes, controlling the two alarm lamps to be on according to the control signal;
judging whether the numerical value is more than two hundred million;
and if the number of the alarm lamps is larger than the preset value, controlling one alarm lamp to be on according to the control signal.
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| CN201911280748.0A CN111044819A (en) | 2019-12-13 | 2019-12-13 | Early warning system and method for tiny droplet release device |
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| CN201911280748.0A CN111044819A (en) | 2019-12-13 | 2019-12-13 | Early warning system and method for tiny droplet release device |
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