CN217765157U - Level gauge and irrigation system - Google Patents
Level gauge and irrigation system Download PDFInfo
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- CN217765157U CN217765157U CN202221691670.9U CN202221691670U CN217765157U CN 217765157 U CN217765157 U CN 217765157U CN 202221691670 U CN202221691670 U CN 202221691670U CN 217765157 U CN217765157 U CN 217765157U
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- 230000002262 irrigation Effects 0.000 title claims abstract description 13
- 238000003973 irrigation Methods 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 175
- 238000001514 detection method Methods 0.000 claims abstract description 138
- 230000006698 induction Effects 0.000 claims description 27
- 230000001960 triggered effect Effects 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 239000012530 fluid Substances 0.000 claims 12
- 230000000712 assembly Effects 0.000 claims 2
- 238000000429 assembly Methods 0.000 claims 2
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 10
- 230000001939 inductive effect Effects 0.000 description 9
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 101100434411 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) ADH1 gene Proteins 0.000 description 1
- 101150102866 adc1 gene Proteins 0.000 description 1
- 101150042711 adc2 gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides an irrigation system is taken into account to liquid level relates to liquid level measurement field. The level gauge includes liquid level detection circuit, float and sinker, and liquid level detection circuit includes the detection branch road, and the float is used for moving in vertical direction along with the change of liquid level to trigger the detection branch road, the sinker is used for triggering the detection branch road when contacting with ground, and liquid level detection circuit is used for being detected the branch road quilt when the float triggers, the relative liquid level signal of output, and, when the detection branch road quilt when the sinker triggers, output benchmark liquid level signal. Through increasing the sinker that responds to ground to realize the accurate detection of liquid level height.
Description
Technical Field
The utility model relates to a liquid level measurement field particularly, relates to an irrigation system is taken into account to liquid level.
Background
When the liquid level information is measured by using the liquid level meter, the lowest point of the liquid level needs to be aligned with the 0 scale of the liquid level meter, and then a floater in the liquid level meter can move on the liquid level along with the change of the liquid level so as to measure the liquid level information.
For a liquid level meter installed in an irrigation system, the measurement precision needs to be ensured, and the 0 scale of the liquid level meter needs to be ensured to be consistent with the ground. However, due to the fact that the field is soft, the level meter cannot be installed to ensure that the 0 scale is aligned with the ground, and measured level information is not accurate enough.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an irrigation system is taken into account to the liquid level, can be when the 0 scale of level gauge can't aim at the ground, the accurate liquid level height that detects out.
The utility model provides a liquid level meter, include:
the liquid level detection circuit comprises a detection branch circuit;
a float for moving in a vertical direction with a change in the liquid level to trigger the detection branch;
the sinker is used for triggering the detection branch when contacting the ground;
the liquid level detection circuit is used for outputting a relative liquid level signal when the detection branch is triggered by the floater, and outputting a reference liquid level signal when the detection branch is triggered by the sinker.
In a possible embodiment, the gauge further comprises:
the liquid level detection circuit is installed in the float rod, the float and the sinker are all sleeved outside the float rod, and the float is located above the sinker.
In a possible implementation, the liquid level detection circuit further includes: the device comprises a power supply unit, a first detection assembly and a second detection assembly; one end of the detection branch is connected to the power supply unit through a first detection assembly in series, and the other end of the detection branch is connected to the power supply unit through a second detection assembly in series;
the detection branch comprises a plurality of induction components which are electrically connected in sequence; the detection branch is used for conducting when any one induction component is triggered by the floater or the sinker;
the first detection component is used for outputting the relative liquid level signal when the detection branch is triggered to be conducted by the floater;
and the second detection component is used for outputting the reference liquid level signal when the detection branch is triggered and conducted by the sinker.
In a possible implementation, the first detection assembly includes a first voltage-dividing resistor, the first voltage-dividing resistor is connected in series between the power supply unit and the detection branch, and a first signal output end for outputting the relative liquid level signal is formed between the first voltage-dividing resistor and the detection branch.
In a possible implementation, the second detection component includes a second voltage-dividing resistor, the second voltage-dividing resistor is connected in series between the power supply unit and the detection branch, and a second signal output terminal for outputting the reference liquid level signal is formed between the second voltage-dividing resistor and the detection branch.
In a possible implementation manner, the detection branch further includes n detection resistors, and the first detection component, the n detection components, the detection resistor, and the second detection component are electrically connected in sequence; the sensing assembly comprises a sensing switch and a sensing resistor, one end of the sensing switch of the ith sensing assembly is electrically connected between the sensing resistor of the ith sensing assembly and the sensing resistor of the (i + 1) th sensing assembly, and the other end of the sensing switch of the ith sensing assembly is grounded; one end of the induction switch of the nth induction assembly is electrically connected between the induction resistor of the nth induction assembly and the detection resistor, wherein i is an integer which is greater than or equal to 1 and less than n.
In a possible embodiment, the liquid level detection circuit further comprises a first switching element electrically connected to the first signal output; and the first conversion element is used for displaying the relative liquid level information after converting the relative liquid level signal.
In a possible embodiment, the liquid level detection circuit further comprises a second switching element, the second switching element being electrically connected to the second signal output; and the second conversion element is used for displaying the reference liquid level information after converting the reference liquid level signal.
In a possible embodiment, the gauge further comprises a wireless communication module; the wireless communication module is used for receiving the relative liquid level signal and the reference liquid level signal and sending the relative liquid level signal and the reference liquid level signal to external equipment.
In addition, the utility model also provides an irrigation system, which comprises a control center and the liquid level meter; the control center is in communication connection with the liquid level meter and is used for receiving the relative liquid level signal and the reference liquid level signal.
Compared with the prior art, the utility model provides a level gauge and irrigation system, level gauge include liquid level detection circuit, float and sinker, and liquid level detection circuit includes the detection branch road, and the float is used for moving in vertical direction along with the change of liquid level, in order to trigger the detection branch road, sinker are used for triggering when contacting with ground the detection branch road, liquid level detection circuit are used for being worked as the detection branch road quilt when the float triggers, export relative liquid level signal to and, work as the detection branch road quilt when the sinker triggers, export benchmark liquid level signal. By adding the sinker for sensing the ground, the accurate detection of the liquid level height is realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a conventional liquid level meter provided by an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a conventional liquid level detection circuit provided by an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a liquid level meter provided by an embodiment of the present invention.
Fig. 4 is one of schematic structural diagrams of the liquid level detection circuit provided by the embodiment of the present invention.
Fig. 5 is a second schematic structural diagram of the liquid level detection circuit according to the embodiment of the present invention.
Fig. 6 is a third schematic structural diagram of the liquid level detection circuit according to the embodiment of the present invention.
Fig. 7 is a circuit diagram of a liquid level detection circuit provided by the embodiment of the present invention.
Icon: 10-a conventional level gauge; 100-traditional liquid level detection circuit; 110-traditional float stem; 120-a traditional float; 20-a liquid level meter; 200-a liquid level detection circuit; 300-a float; 400-sinker; 500-float rod; 210-detection branch; 220-a power supply unit; 230-a first detection component; 240-second detection component.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are merely for convenience of description of the present invention and for simplicity of description, and do not indicate or imply that the equipment or components that are referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to FIG. 1, FIG. 1 shows a schematic diagram of a conventional liquid level gauge 10, which includes a conventional liquid level detection circuit 100, a conventional float rod 110, and a conventional float 120 sleeved outside the conventional float rod 110. The conventional liquid level detection circuit 100 includes a plurality of vertically arranged sensing elements that are triggered at respective heights when the conventional float 120 moves in a vertical direction as the liquid level changes, thereby measuring the liquid level.
Referring to FIG. 2, FIG. 2 shows a schematic diagram of a conventional liquid level detection circuit 100 in a conventional liquid level gauge 10, based on FIG. 1. The voltage-dividing circuit comprises a power supply element, a voltage-dividing resistor R0, n induction switches Q1-Qn and n induction resistors R1-Rn, wherein a signal output end is formed between the R0 and the R1 and used for outputting a voltage value.
When the inductive switches with different heights are triggered, the voltage values output by the signal output ends are different, and then the liquid level value can be obtained through the pre-established corresponding relation between the voltage value corresponding to each inductive switch when the inductive switch is triggered and the liquid level value corresponding to the inductive switch.
For example, in fig. 2 as an example, assuming that the voltage supplied by the power supply element is v, and the resistance values of the voltage dividing resistor and each sensing resistor are r, when the mth sensing switch Qm senses the conventional float 120, so that the conventional liquid level detection circuit 100 is turned on, the voltage value output by the signal output terminal is:
and then, inquiring a pre-established conversion table of the voltage and the liquid level value to obtain the liquid level value corresponding to the voltage value.
In irrigation system, when utilizing the liquid level in above-mentioned level gauge measurement farmland, need guarantee that the 0 scale of level gauge keeps unanimous with ground, the liquid level that the level gauge surveyed just is accurate like this. However, the soft ground of the farmland is not easy to ensure that the 0 scale aligns with the ground, so that the measured liquid level is inaccurate.
To above-mentioned problem, this embodiment provides a level gauge, increases a sinker on traditional level gauge 10 basis, and the sinker is used for detecting reference level value, and the float is used for detecting relative level value, even 0 scale of level gauge can't align with ground, also can be through relative level value and reference level value, obtains accurate actual level value.
Referring to fig. 3 and 4, the liquid level meter 20 provided in the present embodiment includes: a liquid level detection circuit 200, a float 300 and a sinker 400; the liquid level detection circuit 200 includes a detection branch 210.
A float 300 for moving in a vertical direction with a change in the liquid level to trigger the detection branch 210. And the sinker 400 is used for triggering the detection branch circuit 210 when the sinker is in contact with the ground. A liquid level detection circuit 200 for outputting a relative liquid level signal when the detection branch 210 is triggered by the float, and outputting a reference liquid level signal when the detection branch 210 is triggered by the sinker 400.
Optionally, with reference to fig. 3, the liquid level meter 20 further includes a hollow float rod 500, the liquid level detection circuit 200 is installed inside the float rod 500, the float 300 and the sinker 400 are both sleeved outside the float rod 500, and the float 300 is located above the sinker 400.
Referring to fig. 4 on the basis of fig. 3, fig. 4 shows a schematic structural diagram of a liquid level detection circuit 200 in the liquid level meter 20, where the liquid level detection circuit 200 further includes: a power supply unit 220, a first detection assembly 230, and a second detection assembly 240; one end of the detection branch 210 is connected to the power supply unit 220 through the first detection component 212 connected in series, and the other end is connected to the power supply unit 220 through the second detection component connected in series.
The detection branch 210 comprises a plurality of induction components which are electrically connected in sequence; the sensing branch 210 is used to conduct when any one of the sensing components is triggered by the float 300 or the sinker 400.
The first detection assembly 230 is used for outputting a relative liquid level signal when the detection branch 210 is triggered to be conducted by the floater 300.
The second detecting component 240 is configured to output a reference liquid level signal when the detecting branch 210 is triggered to be conducted by the sinker 400.
It should be noted that the power supply unit 220 may be a power supply element, and may also include a first power supply element and a second power supply element, where the first power supply element is electrically connected to the first detection assembly 230, and the second power supply element is electrically connected to the second detection assembly 240, which is not limited herein.
Alternatively, referring to fig. 5 on the basis of fig. 4, the first detecting element 230 includes a first voltage dividing resistor R X The first voltage-dividing resistor Rx is connected in series between the power supply unit 220 and the detecting branch 210, and the first voltage-dividing resistor R X And the detection branch 210 form a first signal output end for outputting a relative liquid level signal.
Optionally, the second detecting component 240 includes a second voltage-dividing resistor Ry, the second voltage-dividing resistor Ry is connected in series between the power unit 220 and the detecting branch 210, and a second signal output end for outputting the reference liquid level signal is formed between the second voltage-dividing resistor Ry and the detecting branch 210.
Optionally, the detection branch 210 further includes n detection resistors R0, and the first detection component 230, the n detection components, the detection resistor R0, and the second detection component 240 are electrically connected in sequence; the induction component comprises an induction switch and an induction resistor, one end of the induction switch Qi of the ith induction component is electrically connected between the induction resistor Ri of the ith induction component and the induction resistor R (i + 1) of the (i + 1) th induction component, and the other end of the induction switch Qi of the ith induction component is grounded; one end of the sensing switch Qn of the nth sensing element is electrically connected between the sensing resistor Rn of the nth sensing element and the detection resistor R0, where i is an integer greater than or equal to 1 and less than n.
In this embodiment, the inductive switches may be clarinet or hall switches, and the resistances of the inductive resistors may be the same or different. The sensing resistors may be arranged at equal intervals in the vertical direction, or may be arranged at unequal intervals, which is not limited herein.
Optionally, on the basis of fig. 5, referring to fig. 6, the liquid level detection circuit 200 further includes a first conversion element 250, and the first conversion element 250 is electrically connected to the first signal output terminal; the first conversion element 250 is used for displaying the relative liquid level information after converting the relative liquid level signal.
Optionally, the liquid level detection circuit 200 further includes a second conversion element 260, and the second conversion element 260 is electrically connected to the second signal output terminal; the second conversion element 260 is used for displaying the reference liquid level information after converting the reference liquid level signal.
In this embodiment, the first conversion element 250 and the second conversion element 260 may be an analog-to-digital converter or a single chip microcomputer, and are configured to convert an analog signal into a digital signal, for example, an analog voltage signal in the liquid level detection circuit 200 in this embodiment, into a readable digital signal, and display the readable digital signal on a display screen.
Optionally, the liquid level meter 20 further comprises a wireless communication module; the wireless communication module is used for receiving the relative liquid level signal and the reference liquid level signal and sending the relative liquid level signal and the reference liquid level signal to external equipment.
The external device may be a cloud, a server, a user device, and the like, and the user device may be, but is not limited to, a mobile phone, a tablet, a computer, a remote controller, and the like.
The working principle of the embodiment is as follows:
when the liquid level meter 20 is installed, the liquid level meter 20 is vertically inserted in the farmland so that the 0 scale is aligned with the ground or so that the 0 scale is below the ground. The float 300 moves in the vertical direction along with the change of the liquid level, and when a certain inductive switch in the detection branch 210 is triggered, the detection branch 210 is conducted, and at this time, the first signal output end outputs a first voltage value, that is, relative liquid level information. Meanwhile, the sinker 400 contacts the ground and triggers one of the inductive switches in the detection branch 210, and the second signal output end outputs a second voltage value, i.e., reference liquid level information.
In a possible situation, the relative level value and the reference level value are respectively obtained by inquiring a conversion relation table of the voltage value and the level value which are established in advance, and the measured actual level value is the difference value of the relative level value and the reference level value.
Under another situation, the difference value between the relative liquid level information and the reference liquid level information is calculated according to different reference liquid level information, the conversion relation between each difference value and the liquid level value is established, after the relative liquid level information and the reference liquid level information are obtained, the reference liquid level information is subtracted from the relative liquid level information to obtain a voltage difference value, and then the liquid level value corresponding to the voltage difference value is obtained according to the reference liquid level information and the voltage difference value.
For example, referring to fig. 7, the liquid level detection circuit shown in fig. 7 includes 5 sensing elements, and the first conversion element 250 and the second conversion element 260 are analog-to-digital converters ADC.
The resistance values of the first voltage dividing resistor Rx, the second voltage dividing resistor Ry, the sensing resistors R1-Rn and the detection resistor R0 are 5 Ω, the voltage provided by the first power supply element and the second power supply element is 12v, when the float 300 triggers the 3 rd sensing switch Q3, the detection branch 210 is switched on, and the relative liquid level information measured by the ADC1 is:
at this time, the sinker 400 triggers the 5 th inductive switch Q5, and the reference liquid level information measured by the ADC2 is:
in one case, by querying a conversion relation table of the voltage value and the liquid level value, the relative liquid level value corresponding to the relative liquid level information is 20cm, the reference liquid level value corresponding to the reference liquid level information is 5cm, and the measured actual liquid level value is 15cm.
In another case, the difference value 3v between the relative liquid level information and the reference liquid level information is calculated, the reference liquid level value is determined to be 5cm, and when the difference value is 3v, the corresponding actual liquid level value is 15cm.
Compared with the prior art, the utility model discloses there is following beneficial effect:
first, the utility model provides a level gauge, float are used for measuring relative liquid level information to increase the sinker, measure benchmark liquid level information, can realize that 0 scale at the level gauge can't align with ground when, obtain actual liquid level information according to benchmark liquid level information and relative liquid level information.
Then, a detection resistor R0 and a second divider resistor Ry are added in the liquid level detection circuit, a second signal output end used for outputting a reference liquid level signal is formed between the detection resistor and the second divider resistor Ry, and when the sinker triggers any one induction switch in the liquid level detection circuit, the second signal output end outputs the reference liquid level signal.
The present embodiments also provide an irrigation system comprising: the control center is in communication with the gauge 20, and the control center is in communication with the gauge 20 for receiving the relative level signal and the reference level signal.
In this embodiment, the control center is used for obtaining actual liquid level information according to the relative liquid level signal and the reference liquid level signal, and if the liquid level meters 20 are arranged in different regions of a farmland, the control center can determine the liquid level condition of each region according to the liquid level information obtained by each liquid level meter 20, and guide irrigation according to the liquid level condition of each region. For example, if the liquid level in a certain area is determined to be too low, a water pump in the area is controlled to be turned on for irrigation.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A fluid level gauge, comprising:
the liquid level detection circuit comprises a detection branch circuit;
a float for moving in a vertical direction with a change in the liquid level to trigger the detection branch;
the sinker is used for triggering the detection branch when contacting the ground;
the liquid level detection circuit is used for outputting a relative liquid level signal when the detection branch is triggered by the floater, and outputting a reference liquid level signal when the detection branch is triggered by the sinker.
2. The fluid level gauge of claim 1, further comprising:
the liquid level detection circuit is installed in the float rod, the float and the sinker are all sleeved on the outer portion of the float rod, and the float is located above the sinker.
3. The fluid level gauge of claim 1, wherein the fluid level detection circuit further comprises: the device comprises a power supply unit, a first detection assembly and a second detection assembly; one end of the detection branch is connected to the power supply unit through a first detection assembly in series, and the other end of the detection branch is connected to the power supply unit through a second detection assembly in series;
the detection branch comprises a plurality of induction components which are electrically connected in sequence; the detection branch is used for conducting when any one induction component is triggered by the floater or the sinker;
the first detection component is used for outputting the relative liquid level signal when the detection branch is triggered to be conducted by the floater;
and the second detection component is used for outputting the reference liquid level signal when the detection branch is triggered and conducted by the sinker.
4. The fluid level gauge according to claim 3, wherein the first detecting component comprises a first voltage dividing resistor connected in series between the power supply unit and the detecting branch, and a first signal output terminal for outputting the relative fluid level signal is formed between the first voltage dividing resistor and the detecting branch.
5. The fluid level gauge according to claim 3, wherein the second detecting assembly comprises a second voltage-dividing resistor connected in series between the power supply unit and the detecting branch, and a second signal output terminal for outputting the reference level signal is formed between the second voltage-dividing resistor and the detecting branch.
6. The liquid level gauge according to claim 3, wherein the detection branch further comprises n detection resistors, and the number of the sensing assemblies is n, and the first detection assembly, the n sensing assemblies, the detection resistors and the second detection assembly are electrically connected in sequence; the sensing assembly comprises a sensing switch and a sensing resistor, one end of the sensing switch of the ith sensing assembly is electrically connected between the sensing resistor of the ith sensing assembly and the sensing resistor of the (i + 1) th sensing assembly, and the other end of the sensing switch of the ith sensing assembly is grounded; one end of the induction switch of the nth induction assembly is electrically connected between the induction resistor of the nth induction assembly and the detection resistor, wherein i is an integer which is greater than or equal to 1 and less than n.
7. The fluid level gauge of claim 4, wherein the fluid level detection circuit further comprises a first switching element, the first switching element being electrically connected to the first signal output; and the first conversion element is used for displaying the relative liquid level information after converting the relative liquid level signal.
8. The fluid level gauge of claim 5, wherein the fluid level detection circuit further comprises a second switching element, the second switching element being electrically connected to the second signal output; and the second conversion element is used for displaying the reference liquid level information after converting the reference liquid level signal.
9. The fluid level gauge of claim 1, further comprising a wireless communication module; the wireless communication module is used for receiving the relative liquid level signal and the reference liquid level signal and sending the relative liquid level signal and the reference liquid level signal to external equipment.
10. An irrigation system comprising a control center and a level gauge according to any one of claims 1 to 9; the control center is in communication connection with the liquid level meter and is used for receiving the relative liquid level signal and the reference liquid level signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221691670.9U CN217765157U (en) | 2022-06-29 | 2022-06-29 | Level gauge and irrigation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221691670.9U CN217765157U (en) | 2022-06-29 | 2022-06-29 | Level gauge and irrigation system |
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| CN217765157U true CN217765157U (en) | 2022-11-08 |
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| CN202221691670.9U Active CN217765157U (en) | 2022-06-29 | 2022-06-29 | Level gauge and irrigation system |
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