CN208704832U - A kind of conducting type electric water gauge and its remote monitoring system - Google Patents
A kind of conducting type electric water gauge and its remote monitoring system Download PDFInfo
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- CN208704832U CN208704832U CN201821413373.1U CN201821413373U CN208704832U CN 208704832 U CN208704832 U CN 208704832U CN 201821413373 U CN201821413373 U CN 201821413373U CN 208704832 U CN208704832 U CN 208704832U
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Abstract
The utility model provides a kind of conducting type electric water gauge and its remote monitoring system, and water gauge includes the metal shell of the cuboid stainless steel of sealing, is arranged on electric water gauge and the message processing module of the water level detecting module under water level and the processing water level detecting module detection signal.Electric water gauge upper end opening connects monitoring module；The monitoring module includes: timing unit, monitoring and the display unit, communication unit, MYSQL database and the center processing unit that record the positioning unit of detection position, the display electric water gauge acquisition information of monitoring and timing；The monitoring modular realizes the communication between host computer and slave computer by RS485.The utility model is simple by using the level detection signal circuit design of conducting type electric water gauge, simple process.For different measurement ranges, Measurement Resolution is remained unchanged, and is solely dependent upon the spacing of contact placement.Therefore have the characteristics that sampling resolution is unrelated with the measurement body length of sensor.
Description
Technical field
The utility model relates to electronic surveying water gauge and to its monitoring technology field, specifically, more particularly to a kind of
The conducting type electric water gauge and its remote monitoring system of immersion level measuring.
Background technique
Currently used water level sensor mainly includes that mechanical, float-type, ultrasonic type, pressure type, bubble type etc. are more
Kind form.These sensor mechanical structures are complicated, higher cost and measurement accuracy is larger by external environment influence.
With the development of electronic technology, contact electronic water gauge has been promoted the use of.But existing electric water gauge structure process
Cumbersome, signal generating circuit and processing circuit include bridge circuit, sine-wave generator, analog multiplier and filter etc..Electricity
Road complexity poor reliability, the anti-interference of water gauge are also a greater impact.And contact signal is transmitted to single-chip microcontroller or other controls
It also needs to be further processed inside device processed, program there are certain requirements.Conventional electric water gauge signal processing uses A/D conversion.
This just makes circuit more complicated, and analog-to-digital conversion will further decrease the precision of level measuring, improves water gauge cost, extends and surveys
Measure the time.
Summary of the invention
It will further decrease the precision of level measuring according to analog-to-digital conversion set forth above, improve water gauge cost, extend measurement
The technical problems such as time, and a kind of conducting type electric water gauge and its remote monitoring system are provided.The utility model mainly utilizes electricity
Sub- water gauge electric shock acquisition water level information, is monitored water level information and then estimates water flow, thus play it is convenient and efficient accurate
Measurement water level and monitoring.
The technological means that the utility model uses is as follows: a kind of conducting type electric water gauge, which is characterized in that include at least:
The metal shell of the cuboid stainless steel of sealing is arranged on electric water gauge and water level detecting module and processing under water level
The message processing module of the water level detecting module detection signal；
The message processing module is arranged in the metal shell and by being spaced contact that is equal and being uniformly arranged
Screw is fixed；It is filled with insulative water-proof glue between the metal shell and the message processing module, provides stabilization for above-mentioned module
The power module of electric energy.
Further, the intermittent electrification of the metal shell, when water gauge work, the water level of the contact screw acquisition
Information reaches information process unit, and the water level information is converted to binary number, reaches the information processing mould by parallel port
Block.
Further, when measuring, SEA LEVEL VARIATION change touch water electric shock screw and metal shell presentation lead
Logical state, for corresponding triode operation in saturation region, output Vout is low level；It is presented not in contact with the electric shock screw to water exhausted
Edge state, for triode operation in cut-off region, output Vout is high level；
Further, the Vout low and high level is encoded by the coding circuit of priority encoder.
The utility model additionally provides the remote monitoring system that electric water gauge described in one kind is remotely monitored, feature
Be: the electric water gauge upper end opening connects monitoring module；The monitoring module includes: the timing list of monitoring and timing
Member, the positioning unit for monitoring and recording detection position, the display unit of display electric water gauge acquisition information, by STC89C52
The MYSQL database and processing said units information of communication unit, storage water level information that the output end of single-chip microcontroller is connected
Center processing unit；The monitoring modular realizes the communication between host computer and slave computer by RS485.
Further, the monitoring modular output end is connected with the I/O input terminal of the MCU single-chip microcontroller； STC89C52
The output end of single-chip microcontroller, which is connected, to be connected by the RS485 distributor in the communication module with the message processing module.
Further, the STC89C52 single chip also includes GSM unit；The gsm module will be in the information that monitored
It passes in the MYSQL database.
Further, the GSM unit uses SIM800C；The GSM unit is sent out the water gauge information by GPRS network
It send to server.
Utility model has the advantages that
1, signal, simple process are detected by using the level of conducting type electric water gauge.For different measurement models
It encloses, Measurement Resolution remains unchanged, and is solely dependent upon the spacing of contact placement.Therefore with the measurement of sampling resolution and sensor
The unrelated feature of body length.
Digital encoding circuit used by conducting type electric water gauge simultaneously, circuit is simple, and signal is not easy to be distorted, and has simulation
The incomparable interference free performance of circuit, enables water gauge to work in various rugged environments.Water level information is by conductive
Parallel binary number is converted to after the used coding circuit of formula electric water gauge, is transmitted to inside single-chip microcontroller, display is convenient, versatility
More preferably.
2, using the power supply of electronic switch control measuring circuit, what is only measured instantaneously just powers to measuring circuit, other
Moment measuring circuit and power supply disconnect.With using analog to digital conversion circuit electric water gauge compared with, have fast response time,
The characteristics of at low cost, small power consumption.The response time is measured far faster than the electric water gauge using A/D conversion.
3, by being communicated between STC89C52 and STM32 using RS485, a host computer may be implemented can be multiple with carry
Slave computer is uniformly controlled and is communicated, save the cost.It is communicated by GPRS, no transmission range limitation, as long as there is operator
Signal, which is achieved that, is transferred to server data, to realize remote management and control.
By constructing MYSQL cloud database in Ali's Cloud Server, realizes collection tidal data recovering, share, manage, in real time
Monitoring data support each Internet of Things management platform；And then by computer end browser can information in convenient reading database simultaneously
Carry out data processing.The power unit of the utility model is powered using solar panel, increases the independence of system, when can be long
Between in field work.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is done simply to introduce, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the normal cross-section structural schematic diagram of the utility model conducting type electric water gauge.
Fig. 2 is the side the schematic diagram of the section structure of the utility model conducting type electric water gauge.
Fig. 3 is the monitoring system RS485 circuit diagram of the utility model conducting type electric water gauge.
Fig. 4 is the monitoring system 64-6 priority encoding expanded circuit figure of the utility model conducting type electric water gauge.
Fig. 5 is the integral module schematic diagram of the utility model conducting type electric water gauge.
Fig. 6 is the signal generating circuit figure of the utility model conducting type electric water gauge.
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model a part, instead of all the embodiments.Based on the reality in the utility model
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts is all answered
When the range for belonging to the utility model protection.
It should be noted that the specification and claims of the utility model and term " first " in above-mentioned attached drawing,
" second " etc. is to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that in this way
The data used are interchangeable under appropriate circumstances, so that the embodiments of the present invention described herein can be in addition at this
In illustrate or description those of other than sequence implement.In addition, term " includes " and " having " and their any deformation, meaning
Figure be to cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units
Those of be not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes,
The intrinsic other step or units of method, product or equipment.
It is as shown in Figure 1, 2 a kind of structural schematic diagram of conducting type electric water gauge, include at least: the cuboid of sealing is stainless
The metal shell 2 of steel, be arranged on electric water gauge and the water level detecting module under water level and processing water level detecting module inspection
Survey the message processing module 5 of signal.In the present embodiment, the water gauge is cuboid-type, it can be understood as other real
It applies in mode, the shape and its material of the shell can be selected according to actual demand, as long as can satisfy its material energy
Enough effective and good corrosion for avoiding water or other media, and overall structure is uniform.
As shown in fig. 6, being the signal generating circuit of water gauge, contact screw 4 is connected with a resistance R and is connected in base stage, sends out
Emitter-base bandgap grading one resistance R of parallel connection, resistor coupled in parallel export after collector high level VCC connecting resistance with VOUT between emitter and base stage
It is in parallel.The water gauge is equipped with multiple signal generating circuits.
In the present embodiment, message processing module 5 is arranged in metal shell and by being spaced equal and uniform setting
The contact screw 4 set is fixed.It is filled with insulative water-proof glue 3 between metal shell and message processing module, is provided surely for above-mentioned module
Determine the power module of electric energy.It can be understood as in other embodiments, multiple water level detectings can also be set on the shell
Sensor, for detecting actual water level, as long as can satisfy good can avoid uniformly examining while the liquid corrosions such as water
Water level information required for surveying.
In the present embodiment, the intermittent electrification of metal shell.It can be understood as in other embodiments, metal
The band point time of shell can be set according to actual needs, and also mountable corresponding timing means, is examined with regular time
It surveys and then obtains more accurate numerical value by modes such as averageds.In the present embodiment, by the step mode of interval,
The consumption that electric energy can effectively be reduced reduces cost, increases service life.
As a preferred embodiment, the water level information of contact screw acquisition reaches at information when water gauge work
Unit is managed, water level information is converted to binary number, reaches the message processing module by parallel port by processing unit.Work as measurement
When, SEA LEVEL VARIATION, which changes, touches the electric shock screw and metal shell presentation on state of water, corresponding triode work
Make in saturation region, output Vout is low level；State of insulation is presented not in contact with the electric shock screw to water, triode operation is ending
Area, output Vout are high level.Vout low and high level is encoded by the coding circuit of priority encoder.
In the present embodiment, coding circuit uses 74LS348, i.e. 8-3 line priority encoder tri-state gate exports, can
To be interpreted as, other coding chips such as 74HC147,74HC148 substitution can also be adopted in other embodiments.
In the present embodiment, 74LS348 is 8-3 line priority encoder, decodes to highest order data, utilizes tri-state
Allow to hold (EI) and export the cascade of gated end (EO) and the tri-state function of output end, is extended as multiline coding.Pass through
It is verified as the output of 128-7 line precedence level code.64 schematic diagrams are given as shown in Figure 4, it can be understood as in other implementations
In mode, it can also be handled using other multidigits.
The conducting type electric water gauge precision of present embodiment is high, and its precision is unrelated with the measurement body length of sensor, right
Different application environments, measurement accuracy remain unchanged, and are solely dependent upon the spacing that contact is placed.Therefore water gauge does not need complexity
Signal processing circuit, the strong anti-interference performance of conducting type electric water gauge, high reliablity.
As preferred embodiment, as shown in figure 5, the utility model additionally provide electric water gauge remotely monitor it is long-range
Monitoring system: electric water gauge upper end opening connects monitoring module；The monitoring module includes: the timing list of monitoring and timing
Member, the positioning unit for monitoring and recording detection position, the display unit of display electric water gauge acquisition information, by STC89C52
The MYSQL database and processing said units information of communication unit, storage water level information that the output end of single-chip microcontroller is connected
Center processing unit；The monitoring modular realizes the communication between host computer and slave computer by RS485.
As shown in figure 3, being the schematic diagram of RS485.Wherein, VCC sections of the high level of STC89C52 single chip is parallel with protection
Two capacitors of C4, C5 of circuit, it can be understood as, in other embodiments, the population size of shunt capacitance is according to reality
Measurement situation selected.The RES pin of STC89C52 single-chip microcontroller is connected with the button of a reset, and reset button is also in parallel
There is an a resistance R1 and capacitor C1, P2.7, P3.0, P3.1 pin of STC89C52 single chip are respectively connected to the parallel connection of RS485
RE and DE, R0, DI pin, the XTAL1 of STC89C52 single chip, 2 both ends be parallel with crystal oscillating circuit, one electricity of P3.4 pin serial connection
The base stage of amplifying circuit is connected to after resistance R2, transmitter meets high level VCC, and collector passes through 2 pins of P2, the 3-9 pin of P2
It is connected to STC89C52 single chip P1.6-P1.0 pin.1 pin of P2 is grounded.
As preferred embodiment, monitoring modular output end is connected with the I/O input terminal of the MCU single-chip microcontroller；
The output end of STC89C52 single chip is connected through the RS485 distributor and the information processing mould in the communication module
Block is connected.
In the present embodiment, STC89C52 single chip also includes GSM unit；The information that the gsm module will monitor
It uploads in the MYSQL database.GSM unit uses SIM800C；The GSM unit is by GPRS network by the water gauge information
It is sent to server.It is understood that in other embodiments, it can as long as can also can satisfy comprising other units
More easily measure water level.
Above-mentioned the utility model embodiment serial number is for illustration only, does not represent the advantages or disadvantages of the embodiments.
In the above embodiments of the present invention, all emphasize particularly on different fields to the description of each embodiment, in some embodiment
The part not being described in detail, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module
It connects, can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
In addition, each functional unit in each embodiment of the utility model can integrate in one processing unit,
It can be each unit to physically exist alone, can also be integrated in one unit with two or more units.It is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (8)
1. a kind of conducting type electric water gauge, which is characterized in that include at least:
The metal shell of the cuboid stainless steel of sealing, be arranged on electric water gauge and the water level detecting module under water level and
Handle the message processing module of the water level detecting module detection signal；
The detection module includes contact screw；The message processing module is arranged in the metal shell and by interval phase
Deng and the contact screw that is uniformly arranged fix；It is anti-filled with insulation between the metal shell and the message processing module
Glue provides the power module of regulated power for above-mentioned module.
2. a kind of conducting type electric water gauge according to claim 1, it is further characterized in that:
The intermittent electrification of metal shell, when water gauge work, the water level information of the contact screw acquisition reaches information
Water level information is converted to binary number by processing unit, the information process unit, reaches the information processing by parallel port
Module.
3. a kind of conducting type electric water gauge according to claim 1, it is further characterized in that:
SEA LEVEL VARIATION, which changes, touches the electric shock screw and metal shell presentation on state of water, corresponding triode work
Make in saturation region, output Vout is low level；State of insulation is presented not in contact with the electric shock screw to water, triode operation is ending
Area, output Vout are high level；
The Vout low and high level is encoded by the coding circuit of priority encoder；
The coding circuit is equipped with 8 concatenated 74LS348 priority encoders；The A of 8 encoders0、A1、A2It is in parallel respectively
And export low 3 codings output；It is coding output that the encoder GS parallel connection, which is followed by a high tri-bit encoding device output high 3,.
4. a kind of remote monitoring system remotely monitors electric water gauge described in any one of claim 1-3, special
Sign is:
The electric water gauge upper end opening connects monitoring module；The monitoring module includes: the timing list of monitoring and timing
Member, the positioning unit for monitoring and recording detection position, the display unit of display electric water gauge acquisition information, by STC89C52
The center processing unit of communication unit and processing said units information that the output end of single-chip microcontroller is connected；The monitoring modular
The communication between host computer and slave computer is realized by RS485.
5. remote monitoring system according to claim 4, it is further characterized in that:
The monitoring modular output end is connected with the I/O input terminal of MCU single-chip microcontroller；The output end of STC89C52 single chip is connected
The RS485 distributor connected in communication module is connected with the message processing module.
6. remote monitoring system according to claim 4, it is further characterized in that:
The RES pin of the STC89C52 single chip is connected with the button of a reset, and reset button is parallel with a resistance R1 and one
Capacitor C1；P2.7, P3.0, P3.1 pin of the STC89C52 single chip be respectively connected to RS485 RE and DE in parallel,
R0, DI pin；The XTAL1 of the STC89C52 single chip, 2 both ends are parallel with crystal oscillating circuit, one resistance R2 of P3.4 pin serial connection
It is connected to the base stage of amplifying circuit afterwards, transmitter meets high level VCC, and collector passes through 2 pins of P2, the 3-9 pin difference of P2
It is connected to the STC89C52 single chip P1.6-P1.0 pin；1 pin of P2 is grounded.
7. a kind of remote monitoring system according to claim 4, it is further characterized in that:
The STC89C52 single chip also includes GSM unit；The information monitored is uploaded MYSQL database by the GSM unit
In.
8. a kind of remote monitoring system according to claim 7, it is further characterized in that: the GSM unit uses
SIM800C；Water gauge information is sent to server by GPRS network by the GSM unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821413373.1U CN208704832U (en) | 2018-08-30 | 2018-08-30 | A kind of conducting type electric water gauge and its remote monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821413373.1U CN208704832U (en) | 2018-08-30 | 2018-08-30 | A kind of conducting type electric water gauge and its remote monitoring system |
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| CN208704832U true CN208704832U (en) | 2019-04-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115303A (en) * | 2018-08-30 | 2019-01-01 | 大连海事大学 | A kind of conducting type electric water gauge and its remote monitoring system |
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2018
- 2018-08-30 CN CN201821413373.1U patent/CN208704832U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115303A (en) * | 2018-08-30 | 2019-01-01 | 大连海事大学 | A kind of conducting type electric water gauge and its remote monitoring system |
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