CN215296385U - Contactless liquid level intelligent detector - Google Patents
Contactless liquid level intelligent detector Download PDFInfo
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- CN215296385U CN215296385U CN202120519490.1U CN202120519490U CN215296385U CN 215296385 U CN215296385 U CN 215296385U CN 202120519490 U CN202120519490 U CN 202120519490U CN 215296385 U CN215296385 U CN 215296385U
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Abstract
The utility model discloses a contactless liquid level intellectual detection system ware relates to liquid level intellectual detection system field. Mainly to the detection of non-transparent plastic casing liquid level, utilize novel liquid level detection sensor and logic processing technique, whether the liquid level is normal in the detection casing. When the contactless intelligent liquid level detector is arranged at the designated position of the container, if the liquid level is detected, the contactless intelligent liquid level detector sends out a 'normal liquid level' voice prompt to slowly flash the liquid level indicator lamp; if the liquid level can not be detected, the non-contact liquid level intelligent detector sends out a prompt of 'liquid level low', and the liquid level indicating lamp quickly flashes. The built-in multifunctional indicator of contactless liquid level intelligent detector can judge how much battery power from the light and shade degree on the one hand, and on the other hand can indicate the position of liquid level. The utility model discloses can conveniently carry out intellectual detection system to the liquid level in the non-transparent shell fast, avoid detecting body pollution liquid and corrosive liquids to equipment and personnel's damage.
Description
Technical Field
The utility model discloses a contactless liquid level intellectual detection system ware relates to liquid level intellectual detection system field.
Background
At present, the detection scheme aiming at the liquid level of a non-transparent shell on the market is mainly contact detection, when the detection method is used, a detection body needs to be inserted into a container, impurities attached to the detector easily enter the container to pollute the liquid so as to influence the product quality or shorten the service life of the solution, and the corrosive liquid dripped on the detection body when the detection body is taken out easily causes equipment and personnel damage; meanwhile, the liquid level detector on the market has no intelligent detection and acousto-optic prompt functions, and the situation of inconvenience and misjudgment exists during use.
SUMMERY OF THE UTILITY MODEL
To the problem that exists, the utility model discloses utilize novel liquid level detection sensor to realize utilizing logic processing technique, intelligent pronunciation and display technology to the detection of opaque casing liquid level, realize liquid level reputation suggestion, brought the facility for liquid level detection and liquid feeding.
The utility model adopts the technical scheme as follows:
a contactless liquid level intelligent detector comprises a contactless liquid level sensor, a shell inductive switch, a logic processor, a voice and driving chip, a liquid level indicator lamp, a loudspeaker, a power switch, a battery, a charging socket, a multifunctional indicator, connecting wires among the voice and driving chip, a liquid level indicator lamp, a loudspeaker, a power switch, a battery, a charging socket, a multifunctional indicator and a charger, wherein the charger is externally arranged; the intelligent contactless liquid level detector is handheld, a function indicator of the intelligent contactless liquid level detector is connected behind a power switch, and a power supply of the function indicator is connected with a power supply of a liquid level sensor, a shell inductive switch, a logic processor and a voice and driving chip in parallel; the non-contact liquid level intelligent detector is controlled by a power switch, and is powered by a battery, and the battery is charged by a charger through a charging interface; when the non-contact liquid level intelligent detector contacts a container shell, a shell induction switch output signal A and a liquid level sensor output signal B are sent to a logic processor, the logic processor comprises an OR gate and an AND gate, and the output signal A of the shell induction switch and the 0 in the OR gate are subjected to OR operation to form an under-liquid signal C; the output signal A of the shell inductive switch and the output signal B of the liquid level sensor are subjected to AND operation to form a liquid level normal signal D, and the logical operation formula is as follows: c is A +0, D is AB, C, two routes of signal output to pronunciation and driver chip, when C way output is effective, trigger pronunciation and driver chip, pronunciation and driver chip output "lack liquid" pronunciation and broadcast through the speaker, the liquid level pilot lamp flashes fast simultaneously; when the output of D way is effective, trigger pronunciation and driver chip, pronunciation and driver chip output "the normal pronunciation of liquid level" and broadcast through the speaker, and the liquid level pilot lamp is glimmered at a slow speed simultaneously to when realizing that contactless liquid level intelligent detector puts at the container casing assigned position, under the condition of contactless liquid, can see through the container casing and detect the liquid level, and send according to the liquid level situation and owe liquid or the normal reputation suggestion of liquid level.
The non-contact liquid level sensor, the shell inductive switch and the multifunctional indicator are integrated on the bottom surface of the shell head of the non-contact liquid level intelligent detector and are in contact with the shell of the measured container; the liquid level sensor sensitivity adjusting hole is positioned at the head part of the shell of the non-contact liquid level intelligent detector and corresponds to the liquid level sensor sensitivity adjusting knob; the liquid level indicator lamp and the power switch are positioned at the back of the shell of the non-contact liquid level intelligent detector; the logic processor, the voice and driving chip, the loudspeaker and the battery are positioned at the bottom of the shell of the contactless liquid level intelligent detector; the charging socket is positioned at the tail part of the shell of the contactless liquid level intelligent detector.
The multifunctional indicator consists of a voltage reduction resistor and two high-brightness light emitting diodes, and when the electric energy of the battery in the non-contact liquid level intelligent detector is sufficient, the multifunctional indicator emits bright light; when the power of the battery in the non-contact liquid level intelligent detector is reduced, the multifunctional indicator lights and becomes dark, and at the critical point of the liquid level, the position indicated by the multifunctional indicator is the boundary line of the liquid level.
Drawings
FIG. 1 is a schematic diagram of the operation of a contactless intelligent liquid level detector.
FIG. 2 is a front cross-sectional view of the detector profile designed according to the working principle of a contactless intelligent liquid level detector
FIG. 3 is a top cross-sectional view of the detector profile designed according to the operating principle of a contactless intelligent liquid level detector
In fig. 1: 1-charger, 2-charging socket, 3-lithium battery, 4-power switch, 5-liquid level sensor, 6-shell inductive switch, 7-logic processor, 8-voice and driving chip, 9-liquid level indicator light, 10-loudspeaker, 11-lead, 12-lead, 13-liquid level sensor signal output line, 14-shell inductive switch signal output line, 15-liquid level normal signal, 16-liquid shortage signal, 17-loudspeaker line, 18-loudspeaker line, 19-ground wire and 20-multifunctional indicator.
In fig. 2: 2-charging socket, 3-lithium battery, 4-power switch, 5-liquid level sensor, 6-shell inductive switch, 7-logic processor, 8-voice and driving chip, 9-liquid level indicator lamp, 10-loudspeaker, 20-multifunctional indicator, 21-shell and 22-sensitivity adjusting hole.
In fig. 3: 2-charging socket, 3-lithium battery, 4-power switch, 5-liquid level sensor, 6-shell inductive switch, 7-logic processor, 8-voice and driving chip, 9-liquid level indicator lamp, 10-loudspeaker, 20-multifunctional indicator, 21-shell and 22-liquid level sensor sensitivity adjusting hole.
Detailed Description
The present invention is only an example of one of the liquid level detecting liquid feeders, and does not limit the protection scope of the present invention.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
A contactless intelligent liquid level detector, 21-comprising within an insulating housing: 5-liquid level sensor, 6-shell inductive switch, 7-logic processor, 8-voice and driving chip, 9-liquid level indicator light, 10-loudspeaker, 4-power switch, 3-lithium battery, 2-charging socket, 20-multifunctional indicator and connecting wires among them, and external 1-charger.
The 5-liquid level sensor, the 6-shell inductive switch and the 20-multifunctional indicator are integrated on the bottom surface of the head part of the non-contact liquid level intelligent detector 21-insulating shell and are in contact with the shell of the measured container; 22-the sensitivity adjusting hole of the liquid level sensor is positioned at the head part of the non-contact intelligent liquid level detector 21-the insulating shell and corresponds to the sensitivity adjusting knob of the 5-liquid level sensor; 9-a liquid level indicator lamp and a 4-power switch are positioned on the back of the non-contact liquid level intelligent detector 21-an insulating shell; 7-a logic processor, 8-a voice and driving chip, 10-a loudspeaker and 3-a lithium battery are positioned at the bottom of the non-contact liquid level intelligent detector 21-an insulating shell; the 2-charging socket is positioned at the tail part of the non-contact intelligent liquid level detector 21-insulating shell.
The power supply of the 20-multifunctional indicator is connected with the 4-power switch, the power supply of the 20-multifunctional indicator is mutually connected with the 5-liquid level sensor, the 6-shell inductive switch, the 7-logic processor and the 8-voice and driving chip in parallel, the 3-lithium battery is adopted for supplying power under the control of the 4-power switch, the 3-lithium battery is charged by using the 1-charger through the 2-charging interface, when the non-contact liquid level intelligent detector contacts the shell of the container, the output signal A of the 14-shell induction switch is triggered, and 13-output signal B of liquid level sensor is transferred into 7-logic processor, and outputting a 16-liquid lack signal C and a 15-liquid level normal signal D, C, D two paths of signals and outputting the signals to an 8-voice and driving chip. When the 16-C path output is effective, triggering an 8-voice and driving chip, outputting 'liquid lack' voice and playing through a 10-loudspeaker, and simultaneously quickly flashing a 9-liquid level indicator lamp; when the 15-D path output is effective, the 8-voice and driving chip is triggered, the voice of normal liquid level is output and played through the 10-loudspeaker, and meanwhile, the liquid level indicator lamp flickers at a slow speed.
The detection sensitivity of the non-contact liquid level intelligent detector can be adjusted through a 22-sensitivity adjusting hole in a detector shell, the sensitivity of the 5-liquid level sensor is changed, the wall thickness of a penetrating container of the non-contact liquid level intelligent detector can be changed, and the detection requirements of liquid levels with different container wall thicknesses can be met.
The 7-logic processor comprises an OR gate and an AND gate, and 14-the output signals A and 0 of the shell inductive switch are subjected to OR operation to form a 16-liquid-lack signal C; 14-the output signal A of the shell inductive switch and 13-the output signal B of the liquid level sensor are subjected to AND operation to form a 15-liquid level normal signal D, and the logical operation formula is as follows: c ═ a +0, D ═ AB.
The 8-voice and driving chip is a professional chip, and voices with low liquid level and normal liquid level are integrated in the 8-voice and driving chip and are respectively triggered through C, D signals output by the logic processor.
The 20-multifunctional indicator consists of a voltage reduction resistor and two high-brightness light emitting diodes and is positioned at the head of the non-contact liquid level intelligent detector. The two light emitting diodes are respectively positioned on the side edge of the bottom surface of the head of the non-contact liquid level intelligent detector and have the functions of power supply indication and liquid level indication. When the electric energy of the 3-lithium battery in the non-contact liquid level intelligent detector is sufficient, the 20-multifunctional indicator emits bright light; when the electric energy of the 3-lithium battery in the non-contact liquid level intelligent detector is reduced, the 20-multifunctional indicator is lightened and darkened. At the critical point of the liquid level, the position indicated by the 20-multi-function indicator is the boundary line of the liquid level.
The 1-charger, the 2-charging interface and the 3-lithium battery are matched with each other. The 1-charger has an intelligent trickle charging function, can prevent the lithium battery from being damaged by overcharging, and has the protection functions of overvoltage, short circuit and abnormal temperature.
Further, the above scheme is applied to the examples, which are set forth below:
a contactless intelligent liquid level detector is characterized in that when a 3-lithium battery is in power failure, a 20-multifunctional indicator becomes dark, a plug of a 1-charger is inserted into a 2-charging socket for charging, the charger has an intelligent trickle charging function, can prevent the lithium battery from being damaged by overcharge, and has the protection functions of overvoltage, short circuit and abnormal temperature. When the non-contact liquid level intelligent detector is used, the 4-power switch is placed at an 'on' position, the non-contact liquid level intelligent detector is powered on, and the 20-multifunctional indicator is lightened. At the moment, the non-contact liquid level intelligent detector is arranged at a specified position detected by the container shell, the 6-shell inductive switch is triggered to output an A path signal to the 7-logic processor, and if the 5-liquid level sensor detects the liquid level, the 5-liquid level intelligent detector outputs a B path signal to the 7-logic processor; if the 5-level sensor does not detect the liquid level, no signal is output to the 7-logic processor. 7-the built-in circuit of the logic processor carries out logic calculation on the output signal A, B of the 5-liquid level sensor and the 6-shell inductive switch, and the calculation formula is as follows: when the C-path output is effective, 8-voice and the voice information of 'liquid shortage' output by the driving chip are triggered and played through the 10-loudspeaker, and meanwhile, the 9-liquid level indicator lamp quickly flickers; when the D-path output is effective, 8-voice is triggered, the driving chip outputs voice information of normal liquid level, the voice information is played through a 10-loudspeaker, and meanwhile, a 9-liquid level indicator lamp flickers at a low speed. When the liquid is lack of liquid, the non-contact liquid level intelligent detector can be moved, and when the non-contact liquid level intelligent detector is changed from the liquid lack of liquid to the liquid level state, the position indicated by the 20-multifunctional indicator is the position of the actual liquid level.
Claims (2)
1. A contactless liquid level intelligent detector comprises a contactless liquid level sensor, a shell inductive switch, a logic processor, a voice and driving chip, a liquid level indicator lamp, a loudspeaker, a power switch, a battery, a charging socket, a multifunctional indicator, connecting wires among the voice and driving chip, a liquid level indicator lamp, a loudspeaker, a power switch, a battery, a charging socket, a multifunctional indicator and a charger, wherein the charger is externally arranged; the device is characterized in that the non-contact liquid level sensor, the shell inductive switch and the multifunctional indicator are integrated on the bottom surface of the shell head of the non-contact liquid level intelligent detector, and the shell head of the non-contact liquid level intelligent detector is in contact with the shell of a measured container; the liquid level sensor sensitivity adjusting hole is positioned at the head part of the shell of the non-contact liquid level intelligent detector and corresponds to the liquid level sensor sensitivity adjusting knob; the liquid level indicator lamp and the power switch are positioned at the back of the shell of the non-contact liquid level intelligent detector; the logic processor, the voice and driving chip, the loudspeaker and the battery are positioned at the bottom of the shell of the contactless liquid level intelligent detector; the charging socket is positioned at the tail part of the shell of the contactless liquid level intelligent detector; the multifunctional indicator, the liquid level sensor, the shell inductive switch, the logic processor and the voice and driving chip are controlled by a power switch, a battery is adopted for supplying power, and the battery is charged by a charger through a charging interface; after an output signal A of the shell induction switch and an output signal B of the liquid level sensor are calculated by the logic processor, an under-liquid signal C and a normal liquid level signal D are output, C, D two paths of signals are output to the voice and driving chip, when the output of the C path is effective, the voice and driving chip is triggered to output the under-liquid voice and play the voice through a loudspeaker, and meanwhile, the liquid level indicator lamp quickly flickers; when the output of the path D is effective, the voice is triggered, the voice with normal liquid level is output by the driving chip and is played through the loudspeaker, and meanwhile, the liquid level indicator lamp flickers at a low speed; therefore, the non-contact liquid level intelligent detector can detect the liquid level through the container shell under the condition of not contacting liquid, and sends out the acousto-optic prompt of liquid shortage or normal liquid level according to the liquid level condition.
2. The intelligent contactless liquid level detector as claimed in claim 1, wherein said multifunctional indicator is composed of a voltage-reducing resistor and two high-brightness light-emitting diodes, and is located at the head of the intelligent contactless liquid level detector; the two light-emitting diodes are respectively positioned on the side edge of the bottom surface of the head of the non-contact liquid level intelligent detector, have power supply indication and liquid level indication functions, and when the electric energy of a battery in the non-contact liquid level intelligent detector is sufficient, the multifunctional indicator emits bright light; when the electric energy of the battery in the non-contact liquid level intelligent detector is reduced, the multifunctional indicator emits light and becomes dark; at the critical point of the liquid level, the position indicated by the multifunctional indicator is the boundary line of the liquid level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120519490.1U CN215296385U (en) | 2021-03-01 | 2021-03-01 | Contactless liquid level intelligent detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120519490.1U CN215296385U (en) | 2021-03-01 | 2021-03-01 | Contactless liquid level intelligent detector |
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| Publication Number | Publication Date |
|---|---|
| CN215296385U true CN215296385U (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120519490.1U Active CN215296385U (en) | 2021-03-01 | 2021-03-01 | Contactless liquid level intelligent detector |
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| CN (1) | CN215296385U (en) |
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2021
- 2021-03-01 CN CN202120519490.1U patent/CN215296385U/en active Active
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