CN205102884U - Water level measuring ruler - Google Patents
Water level measuring ruler Download PDFInfo
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- CN205102884U CN205102884U CN201520868903.1U CN201520868903U CN205102884U CN 205102884 U CN205102884 U CN 205102884U CN 201520868903 U CN201520868903 U CN 201520868903U CN 205102884 U CN205102884 U CN 205102884U
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- water level
- vertical fixed
- metering circuit
- fixed ruler
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Abstract
The utility model provides a water level measuring ruler, water level measuring ruler, including vertical fixed ruler, data processor and power, the inside of vertical fixed ruler is equipped with the measuring circuit fixed slot, evenly be equipped with a plurality of measuring circuits along vertical direction in the measuring circuit fixed slot, the measuring circuit includes signal source module, resonator module, electrode, processing circuit module, comparison module and judges output module, a plurality of measuring circuits of fixing according to vertical direction on the vertical fixed ruler detect each high propagation medium kind respectively, and then judge the height of water level. Water level methods of measurement and water level measuring ruler, utilize the propagation loss of high frequency electric magnetic wave signal, calculate the height of water level, avoided sliding part such as floater because the influence of debris and the measuring error that brings, environmental suitability is stronger.
Description
Technical field
The utility model belongs to level measuring field, especially relates to a kind of water level measuring scale.
Background technology
To in the container such as pond, water tank during water filling, existing water level measuring scale is and calculates gained according to signal attenuation degree, if when being suspended with foreign material in water, measurement result has certain error.
Summary of the invention
In view of this, the utility model is intended to propose a kind of water level measuring scale, height of water level is calculated by utilizing the decay in various degree of frequency electromagnetic waves in different medium, avoid the impact that in water, foreign material bring measurement result, improve the levels of precision of level measuring and the environmental suitability of water level measuring scale.
For achieving the above object, the technical solution of the utility model is achieved in that
A kind of water level measuring scale, comprises vertical fixed ruler, data processor and power supply;
The inside of described vertical fixed ruler is provided with metering circuit pickup groove, is vertically evenly installed with multiple metering circuit in this metering circuit pickup groove;
Described metering circuit comprises signal source module, resonance modules, electrode, processing circuit module, comparison module and judgement output module;
The output terminal of described signal source module is connected with one end of described resonance modules, the other end of this resonance modules and described Electrode connection;
The middle part output terminal of described resonance modules is connected with the input end of described processing circuit module;
Described processing circuit module is rectification filtering module, the output terminal of this processing circuit module is connected with the in-phase input end of described comparison module, the inverting input access reference settings voltage of described comparison module, the level signal output terminal of described comparison module is connected with the level signal input end of described judgement output module;
Described power supply provides electric energy for described metering circuit and data processor;
Described data processor comprises display screen and motherboard circuit, and described motherboard circuit is connected with described judgement output module signal.
Further, described signal source module comprises high_frequency sine wave signal and produces chip and peripheral circuit thereof, and described signal produces the sine wave signal wave band that chip produces 80MHz.
Further, describedly judge that output module is as the light emitting diode between the level signal output terminal being connected to described power supply and comparison module, the voltage input end of this light emitting diode is connected with power supply with regulating resistor by current rectifying and wave filtering circuit, and the voltage output end of this light emitting diode is connected with the level signal output terminal of described comparison module.
Further, described light emitting diode is connected with described data processor signal by photoinduction sensor.
Further, described vertical fixed ruler comprises the V-type fore shell vertically placed, metering circuit plate and backboard, the two ends up and down of this V-type fore shell lateral surface are installed with a connection pedestal respectively, described connection pedestal is installed with bolt connecting hole, the central axis of described bolt connecting hole and the centerline axis parallel of described vertical fixed ruler, described metering circuit is evenly installed on described metering circuit plate, the electrode closed set of this metering circuit is in the rear on baffle plate, this electrode and extraneous contact, described metering circuit board position is placed in the metering circuit pickup groove in described V-type fore shell, described V-type fore shell is fixedly connected with along upper fixed via with bolt by being positioned at this V-type fore shell side with backboard.
Further, described vertical fixed ruler has multiple, and this vertical fixed ruler is fixedly connected with by the connection pedestal head and the tail at its two ends.
Further, described power supply and described vertical fixed ruler one_to_one corresponding, described power supply is fixed on the metering circuit plate in corresponding vertically fixed ruler, and described data processor has one, is fixed on the top of the vertical fixed ruler of the top.
The water level measurement method that this water level measuring scale uses, is characterized in that: comprise the following steps:
(1) on same vertical fixed ruler, vertically evenly multiple metering circuit is installed, connect at least one vertical fixed ruler according to the general height head and the tail of water level simultaneously, this vertical fixed ruler is vertically fixed on level measuring point, and is surfaced certain distance in the top of the vertical fixed ruler of the top;
(2) metering circuit starts to measure height of water level simultaneously; This measuring process comprises the following steps:
A. by the signal source module access power supply in each metering circuit, this signal source module is made to export high-frequency signal wave band;
B. high-frequency signal wave band is by resonance modules input electrode;
C. the difference of surrounding medium residing for electrode, the high-frequency signal wave band of input electrode has decay in various degree;
D. the high-frequency signal wave band after decay is by the in-phase input end inputting comparison module after the treated circuit module rectifying and wave-filtering of electrode, again at the inverting input input reference voltage of comparison module, the level signal output terminal of this comparison module is according to the size determination level signal of the high-frequency signal band power after decay;
E. between the power input and level signal output terminal of comparison module, series connection judges output module, and by result of determination signal Input Data Process;
(3) data processor calculates height of water level according to the result of determination of the judgement output module in the multiple metering circuits on vertical fixed ruler.
Further, judge that output module is as a light emitting diode in described step (e), power input voltage and level signal output end voltage determine the light on and off of light emitting diode jointly;
Further, reference voltage in described step (d) decayed in water by high-frequency signal wave band after signal and signal in atmosphere after decay determine, described reference voltage to be located in water after decay through the voltage of the high-frequency signal wave band of processing circuit module process and after decaying in atmosphere between the voltage of the high-frequency signal wave band of processing circuit module process.
Relative to prior art, water level measurement method described in the utility model and water level measuring scale have following advantage:
(1) water level measurement method described in the utility model and water level measuring scale, the loss size utilizing high frequency electromagnetic wave signal to transmit in different medium, control the light on and off of light emitting diode, and then calculating height of water level, avoid the inaccurate problem of measurement that the slide mechanisms such as ball float cause by foreign material in water affect, cost is low, and environmental suitability is stronger, and the sliceable characteristic of vertical fixed ruler, extend the measurement range of this water level measuring scale.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the water level measuring scale side structure schematic diagram described in the utility model embodiment;
Fig. 2 is the water level measuring scale end face structure schematic diagram described in the utility model embodiment;
Fig. 3 is the water level measuring scale cross-sectional view described in the utility model embodiment;
Fig. 4 is the theory diagram of the metering circuit described in the utility model embodiment.
Description of reference numerals:
The vertical fixed ruler of 1-, 11-metering circuit, 111-signal source module, 112-resonance modules, 113-electrode, 114-processing circuit module, 115-comparison module, 116-judges output module, and 12-connects pedestal, 2-data processor, 3-power supply.
Embodiment
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.
Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
As shown in Figures 1 to 4, the water level measuring scale in the utility model comprises vertical fixed ruler 1, data processor 2 and power supply 3;
The inside of vertical fixed ruler 1 is provided with metering circuit pickup groove, is vertically evenly installed with multiple metering circuit 11 in this metering circuit pickup groove;
Metering circuit 11 comprises signal source module 111, resonance modules 112, electrode 113, processing circuit module 114, comparison module 115 and judges output module 116;
The output terminal of signal source module 111 is connected with one end of resonance modules 112, and the other end of this resonance modules 112 is connected with electrode 113;
The middle part output terminal of resonance modules 112 is connected with the input end of processing circuit module 114;
Processing circuit module 114 is rectification filtering module, the output terminal of this processing circuit module 114 is connected with the in-phase input end of comparison module 115, the inverting input access reference settings voltage of comparison module 115, the level signal output terminal of comparison module 115 is connected with the level signal input end of judgement output module 116;
Power supply 3 provides electric energy for metering circuit 11 and data processor 2;
Data processor 2 comprises display screen and motherboard circuit, and motherboard circuit is connected with judgement output module 116 signal.
Signal source module 111 comprises high_frequency sine wave signal and produces chip and peripheral circuit thereof, and signal produces the sine wave signal wave band that chip produces 80MHz.
Judge that output module 116 is as the light emitting diode between the level signal output terminal being connected to power supply 3 and comparison module 115, the voltage input end of this light emitting diode is connected with power supply 3 with regulating resistor by current rectifying and wave filtering circuit, and the voltage output end of this light emitting diode is connected with the level signal output terminal of comparison module 115.
Light emitting diode is connected with data processor 2 signal by photoinduction sensor.
Vertical fixed ruler 1 comprises the V-type fore shell vertically placed, metering circuit plate and backboard, the two ends up and down of this V-type fore shell lateral surface are installed with a connection pedestal 12 respectively, connect on pedestal 12 and be installed with bolt connecting hole, the central axis of bolt connecting hole and the centerline axis parallel of vertical fixed ruler 1, metering circuit 11 is evenly installed on metering circuit plate, electrode 113 closed set of metering circuit is on backboard, this electrode 113 and extraneous contact, metering circuit board position is placed in the metering circuit pickup groove in V-type fore shell, V-type fore shell is fixedly connected with along upper fixed via with bolt by being positioned at this V-type fore shell side with backboard.
Vertical fixed ruler 1 has multiple, and this vertical fixed ruler 1 is fixedly connected with by connection pedestal 12 head and the tail at its two ends.
Power supply 3 and vertical fixed ruler 1 one_to_one corresponding, power supply 3 is fixed on the metering circuit plate in corresponding vertically fixed ruler 1, and data processor 2 has one, is fixed on the top of the vertical fixed ruler 1 of the top.
A kind of water level measurement method, is characterized in that: comprise the following steps:
(1) on same vertical fixed ruler 1, vertically evenly multiple metering circuit 11 is installed, connect at least one vertical fixed ruler 1 according to the general height head and the tail of water level simultaneously, this vertical fixed ruler 1 is vertically fixed on level measuring point, and is surfaced certain distance in the top of the vertical fixed ruler 1 of the top;
(2) metering circuit 11 starts to measure height of water level simultaneously; This measuring process comprises the following steps:
A. the signal source module 111 in each metering circuit 11 is accessed power supply, make this signal source module 111 export high-frequency signal wave band;
B. high-frequency signal wave band is by resonance modules 112 input electrode 113;
C. the difference of surrounding medium residing for electrode 113, the high-frequency signal wave band of input electrode 113 has decay in various degree, the part of vertical fixed ruler 1 in water, electrode 113 contacts with water, the high-frequency signal wave band attenuation degree of input electrode 113 is larger, vertical fixed ruler 1 is positioned at the part above the water surface, and electrode 113 contacts with air, and the high-frequency signal wave band attenuation degree of input electrode 113 is less;
D. the high-frequency signal wave band after decay is by the in-phase input end inputting comparison module 115 after electrode 113 treated circuit module 114 rectifying and wave-filtering, again at the inverting input input reference voltage of comparison module 115, the level signal output terminal of this comparison module 115 is according to the size determination level signal of the high-frequency signal band power after decay;
E. between the power input and level signal output terminal of comparison module 115, series connection judges output module 116, and by result of determination signal Input Data Process 2;
(3) data processor 2 calculates height of water level according to the result of determination of the judgement output module 116 in the multiple metering circuits 11 on vertical fixed ruler 1.
Judge that output module 116 is as a light emitting diode, power input voltage and level signal output end voltage determine the light on and off of light emitting diode jointly.
Reference voltage decayed in water by high-frequency signal wave band after signal and signal in atmosphere after decay determine, between the voltage of the high-frequency signal wave band processed through processing circuit module 114 after reference voltage to be located in water decay and the voltage of high-frequency signal wave band processed through processing circuit module 114 after decaying in atmosphere.
The course of work of the present utility model is: the signal source module 111 in the multiple metering circuits vertically on fixed ruler 1 by resonance modules to electrode input high-frequency signal wave band;
The difference of external environment residing for electrode 113, there is decay in various degree in this high-frequency signal wave band, the rectifying and wave-filtering input comparison module 115 of the treated circuit module 114 of the high-frequency signal wave band after decay;
When electrode 113 is in water, the dissipation power of high-frequency signal wave band is larger, the voltage of comparison module 115 in-phase input end is less than reference voltage, level signal output terminal output low level, make voltage difference between the power input of comparison module 115 and level signal output terminal larger, light emitting diode is bright, and light emitting diode carries bright signal by light sensor to data processor 2;
When electrode 113 is in air, the dissipation power of high-frequency signal wave band is less, the voltage of comparison module 115 in-phase input end is greater than reference voltage, level signal output terminal exports high level, make voltage difference between the power input of comparison module 115 and level signal output terminal less, light emitting diode goes out, and light emitting diode carries the signal gone out to data processor 2 by photoresistance;
Data processor 2 receives the measuring-signal of the parallel input of each metering circuit 11, data processor 2 pairs of measuring-signals carry out conversion process, and bright signal shows that measurement point is positioned at underwater, the signal that goes out shows that measurement point is positioned on the water surface, data processor 2 calculates height of water level according to measuring-signal and exports height of water level data to display screen, completes the measurement of water level.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. a water level measuring scale, is characterized in that: comprise vertical fixed ruler (1), data processor (2) and power supply (3);
The inside of described vertical fixed ruler (1) is provided with metering circuit pickup groove, is vertically evenly installed with multiple metering circuit (11) in this metering circuit pickup groove;
Described metering circuit (11) comprises signal source module (111), resonance modules (112), electrode (113), processing circuit module (114), comparison module (115) and judges output module (116);
The output terminal of described signal source module (111) is connected with one end of described resonance modules (112), and the other end of this resonance modules (112) is connected with described electrode (113);
The middle part output terminal of described resonance modules (112) is connected with the input end of described processing circuit module (114);
Described processing circuit module (114) is rectification filtering module, the output terminal of this processing circuit module (114) is connected with the in-phase input end of described comparison module (115), the inverting input access reference settings voltage of described comparison module (115), the level signal output terminal of described comparison module (115) is connected with the level signal input end of described judgement output module (116);
Described power supply (3) provides electric energy for described metering circuit (11) and data processor (2);
Described data processor (2) comprises display screen and motherboard circuit, and described motherboard circuit is connected with described judgement output module (116) signal.
2. water level measuring scale according to claim 1, is characterized in that: described signal source module (111) comprises high_frequency sine wave signal and produces chip and peripheral circuit thereof, and described signal produces the sine wave signal wave band that chip produces 80MHz.
3. water level measuring scale according to claim 1, it is characterized in that: describedly judge that output module (116) is as the light emitting diode between the level signal output terminal being connected to described power supply (3) and comparison module (115), the voltage input end of this light emitting diode is connected with power supply (3) with regulating resistor by current rectifying and wave filtering circuit, and the voltage output end of this light emitting diode is connected with the level signal output terminal of described comparison module (115).
4. water level measuring scale according to claim 3, is characterized in that: described light emitting diode is connected with described data processor (2) signal by photoinduction sensor.
5. water level measuring scale according to claim 1, it is characterized in that: described vertical fixed ruler (1) comprises the V-type fore shell vertically placed, metering circuit plate and backboard, the two ends up and down of this V-type fore shell lateral surface are installed with a connection pedestal (12) respectively, described connection pedestal (12) is installed with bolt connecting hole, the central axis of described bolt connecting hole and the centerline axis parallel of described vertical fixed ruler (1), described metering circuit (11) is evenly installed on described metering circuit plate, and described electrode closed set is in the rear on baffle plate, this electrode (113) and extraneous contact, described metering circuit board position is placed in the metering circuit pickup groove in described V-type fore shell, described V-type fore shell is fixedly connected with along upper fixed via with bolt by being positioned at this V-type fore shell side with backboard.
6. water level measuring scale according to claim 5, is characterized in that: described vertical fixed ruler (1) has multiple, and this vertical fixed ruler (1) is fixedly connected with by connection pedestal (12) head and the tail at its two ends.
7. water level measuring scale according to claim 5, it is characterized in that: described power supply (3) and described vertical fixed ruler (1) one_to_one corresponding, described power supply (3) is fixed on the metering circuit plate in corresponding vertically fixed ruler (1), described data processor (2) has one, is fixed on the top of the vertical fixed ruler (1) of the top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520868903.1U CN205102884U (en) | 2015-11-03 | 2015-11-03 | Water level measuring ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520868903.1U CN205102884U (en) | 2015-11-03 | 2015-11-03 | Water level measuring ruler |
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| Publication Number | Publication Date |
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| CN205102884U true CN205102884U (en) | 2016-03-23 |
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| CN201520868903.1U Active CN205102884U (en) | 2015-11-03 | 2015-11-03 | Water level measuring ruler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300477A (en) * | 2015-11-03 | 2016-02-03 | 天津市飞跃兄弟测控技术有限公司 | Water level measuring method and ruler |
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- 2015-11-03 CN CN201520868903.1U patent/CN205102884U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300477A (en) * | 2015-11-03 | 2016-02-03 | 天津市飞跃兄弟测控技术有限公司 | Water level measuring method and ruler |
| CN105300477B (en) * | 2015-11-03 | 2019-06-25 | 天津市飞跃兄弟测控技术有限公司 | A kind of water level measurement method and water level measuring scale |
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