CN207622834U - Waste liquid liquid level detection system with fault self-checking function - Google Patents
Waste liquid liquid level detection system with fault self-checking function Download PDFInfo
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- CN207622834U CN207622834U CN201721460347.XU CN201721460347U CN207622834U CN 207622834 U CN207622834 U CN 207622834U CN 201721460347 U CN201721460347 U CN 201721460347U CN 207622834 U CN207622834 U CN 207622834U
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Abstract
The utility model is related to a kind of waste liquid liquid level detection systems with fault self-checking function, belong to Technology of Level Detection field.Waste liquid liquid level detection system includes level sensing module and liquid level gauge, and level sensing module is connected and communicated with liquid level gauge, and liquid level gauge includes two or more, and each liquid level gauge detects the hydroful state in liquid reserve tank body respectively.The waste liquid liquid level detection system of the utility model, the hydroful state of liquid storage babinet is detected by the way that multiple liquid level gauges are arranged, level sensing failure can not only be reduced, additionally provide the physical unit of level sensing self-test, coordinate corresponding control module that can carry out itself liquid level detection system and carries out liquid level fault self-checking, extend the maintenance period of equipment, reduces cost of equipment maintenance.
Description
Technical field
The utility model is related to a kind of waste liquid liquid level detection systems with fault self-checking function, belong to Technology of Level Detection
Field.
Background technology
Kitchen waste oil is an important recyclable resource in kitchen garbage.Kitchen waste oil can be used as producing biological bavin
The raw material of the chemical products such as oil, soap, liquid detergent, cosmetics.In kitchen garbage processing procedure, recycling kitchen waste oil is usually first
Kitchen garbage is separated by solid-liquid separation, kitchen solid slag and food and drink waste liquid are obtained after separation, food and drink waste liquid is then subjected to solid-liquid point
From recycling grease therein.Whether the waste collection in being separated by solid-liquid separation or the Grease Collection in water-oil separating, are used
Liquid level gauge carries out level monitoring and the detection of liquid.But due to containing a large amount of moisture in food and drink waste liquid and waste cooking oil, consolidating
State little particle organic suspended matter, and it has the characteristics that with high salt, component Dynamic Uncertain, causes useless in food and drink in liquid level gauge
Damage is very easy to during the use of liquid, the level monitoring of waste oil and detection, or because solid grease is set in liquid level gauge
Upper generation level sensing failure.Equipment fault takes place frequently, cost of equipment maintenance is high.Such as, Authorization Notice No. is in 206556723U
State's utility model patent, discloses a kind of oil tank level detection device, which sends out sound wave to reception by calculating
The height of oil level is measured to the time between sound wave.Although this detection device detection liquid level is accurate, due to waste liquid
With contain moisture in kitchen waste oil, vapor, which can overflow liquid level corrosion ultrasonic level gage, leads to ultrasonic level gage failure, into
And lead to liquid level detection system failure, so oil storage tank is collected in the front end that this detection device is not suitable for kitchen waste oil.For another example,
Authorization Notice No. is that the Chinese utility model patent of 206450291U discloses a kind of capacitance type sensor liquid level detection device, should
Device is pinpointed using whether liquid fills the caused capacitive reading variation between reference electrode unit and detecting electrode to realize
Level sensing.But due to containing a large amount of solid suspension rubbish, the capacitance type sensor liquid level detection device in kitchen garbage
It applies and causes to detect failure on the outside of the capacitance detecting for being detected in waste liquid and expense and being easy deposition, after needing cleaning to repair
It can be continuing with, easily cause equipment fault, increase maintenance cost.
Utility model content
The goal of the invention of the utility model is to overcome the kitchen waste liquid liquid level detection device event in the presence of the prior art
Barrier take place frequently, the above-mentioned deficiency that cost of equipment maintenance is high, a kind of waste liquid liquid level detection system with fault self-checking function is provided, this
Waste liquid liquid level detection system provides physical unit support for the level sensing self-test of liquid level detection system, coordinates corresponding control
Module can carry out liquid level fault self-checking to itself liquid level detection system, and can extend the maintenance period of equipment, reduce equipment dimension
Protect cost.
In order to realize that above-mentioned purpose of utility model, the utility model provide following technical scheme：
Waste liquid liquid level detection system with fault self-checking function, including level sensing module and liquid level gauge, level sensing
Module is connected and is communicated with liquid level gauge, and the liquid level gauge includes two or more, and each liquid level gauge detects liquid reserve tank respectively
Internal hydroful state.The liquid level detection system of above structure, each liquid level gauge detects hydroful signal respectively, and itself is detected
Hydroful signal send level sensing module to, level sensing module receives the level sensing signal of liquid level gauge, and hydroful is believed
Number it is reported to the management system of more upper level.As long as there is one of liquid level gauge to detect hydroful signal, that is, it is determined as liquid reserve tank
Hydroful.The waste liquid liquid level detection system of the utility model, by the way that multiple liquid level gauges worked independently from each other are arranged while detecting storage
Hydroful state in liquid case body, reports hydroful state respectively, avoids level sensing caused by single liquid level gauge failure or damage
Failure, and then reduce the risk for causing sewer blockage that waste liquid overflows contaminated equipment and waste cooking oil flows into sewer.Into
One step, the liquid level detection system of the waste liquid of the utility model is examined respectively by the way that multiple liquid level gauges worked independently from each other are arranged
The hydroful state for surveying oil storage babinet also resides in and provides physical equipment support for the fault self-checking of liquid level detection system, coordinates phase
The control logic answered can complete the fault self-checking of level sensing module：The time of hydroful signal is detected with level sensing module
For initial time t0, in t0To t0In the time of+T, if the hydroful signal number a that level sensing module detects is less than liquid level gauge
Number n, then assert that part liquid level gauge breaks down, if liquid level gauge, which breaks down, exceeds certain times N, liquid level detection system
It then carries out failure to report, the self-test that wherein T can be set according to actual conditions is super real-time long.The liquid level of the utility model is examined
Examining system detects the hydroful state of oil storage babinet by the way that multiple liquid level gauges are arranged, not only substantially reduces because of level sensing respectively
Waste liquid caused by the system failure overflows risk, can also provide possibility for the fault self-checking of liquid level detection system, can realize
Liquid level detection system failure is reported and is alerted in time, greatly reduces the manpower consumption of liquid level detection system maintenance, drop
Low cost of equipment maintenance.
As the preferred embodiment of the utility model, the number of the liquid level gauge is two.Two liquid level gauges compare a liquid
Position meter can substantially reduce level sensing failure, compared to 3 or 3 or more liquid level gauges, in addition to that can reduce level sensing system
Outside the cost of system, moreover it is possible to simplify the self-test logic of level sensing, liquid level self-test is easier to realize, and maintenance cost is low.
As the preferred embodiment of the utility model, the liquid level is calculated as floating-ball level switch.Floating-ball level switch compared to
The liquid level gauge of other classifications, price is cheaper and is less likely to be damaged in use, the service life is longer.
As the preferred embodiment of the utility model, the liquid level is calculated as duck-beak type floating-ball level switch.Duck-beak type floating ball liquid
Bit switch is flexibly connected position contact area smaller compared to floating-ball level switch float and the stator of other classifications, float with
During liquid level is movable smaller is influenced by the environment of the liquid detected.Such as, a large amount of Chinese prickly ash, capsicum etc. are contained in waste liquid
Face, skin or graininess suspend, and being susceptible to movable float using conventional floating-ball level switch is led by Chinese prickly ash, paprika by card
And the phenomenon that influence level sensing, and then lead to level sensing failure, and use duck-beak type floating-ball level switch as liquid level
Meter, this probability just greatly reduce；Further, when kitchen waste liquid is the lower animal fat of solidification point, when there is part
When solid grease is gathered in the connecting portion of liquid level gauge float and stator, due to the float and stator of conventional floating-ball level switch
Contact area is big, and this failure is easy to happen and is difficult to eliminate, and can then be greatly reduced using duck-beak type floating-ball level switch
The probability that this failure occurs, liquid level detection system work are more stable more acurrate.
As the preferred embodiment of the utility model, the vertical height difference of two liquid level gauge installations is less than or equal to 1cm.Two
The difference in height of a liquid level gauge, which is less than 1cm, can reduce the phenomenon that wrong report of liquid level fault self-checking occur or frequently reporting：Such as liquid
Position reaches exactly to the position between two liquid level gauge vertical heights and stops charging, and one of level sensing is to hydroful signal, separately
One liquid level gauge can not detect always hydroful signal, and liquid level detection system sends out level sensing fault warning, but maintenance fluid
When position detecting system, it is found that liquid level gauge does not occur detection failure.Preferably, when installation, two liquid level gauges are located at same water
Flat height.
As the preferred embodiment of the utility model, the liquid level detection system further includes CPU control modules and fault warning
System, fault warning system and level sensing module connect and communicate with the CPU control modules respectively.Level sensing module is examined
After measuring liquid level failure, fault alarm signal is sent to CPU control modules, CPU control modules send event to fault warning module
Hinder alert command, fault warning module executes fault warning order and sends out level sensing fault warning.The liquid level of above structure
Detecting system, it is more intelligent that level sensing self-test externally transmits information.
It should be appreciated that the waste liquid in the utility model refer to with high salt, Gao Shui, high-content solid-state fine grained suspended matter or
Low melting point（Such as animal waste grease）Equal liquid itself environment is complicated, and liquid level gauge is easily damaged in this use environment, component
With high complexity, probabilistic mixing liquid, and it should not be limited to kitchen waste liquid.
Compared with prior art, the beneficial effects of the utility model：
1, waste liquid liquid level detection system of the invention detects the hydroful shape of oil storage babinet by the way that multiple liquid level gauges are arranged respectively
State not only substantially reduces the waste liquid caused by liquid level detection system failure and overflows risk, is also the failure of liquid level detection system
Self-test provides possibility, can realize reporting and alerted in time for liquid level detection system failure, greatly reduces intelligence and puts
The manpower consumption that EFM Electronic Fuel Management is safeguarded, reduces cost of equipment maintenance.
2, liquid level gauge selects duck-beak type floating-ball level switch, compared to the more difficult damage of other kinds of liquid level gauge, phase
It is flexibly connected position contact area smaller than floating-ball level switch float and the stator in other classifications, float is with liquid level activity
During by the environment of the liquid detected influenced smaller.
3, the difference in height of two liquid level gauges, which is less than 1cm and can reduce, there is the wrong report of liquid level fault self-checking or what is frequently reported show
As occurring.
Description of the drawings：
Fig. 1 is the system installation structure figure of embodiment 1；
Fig. 2 is the structural schematic diagram of another floating-ball level switch；
Fig. 3 is the system construction drawing of embodiment 1；
Fig. 4 is a kind of method flow diagram of level sensing fault self-checking based on embodiment 1.
It is marked in figure：
1- liquid storage babinets, 2- liquid level gauges one, 3- liquid level gauges two, 4- stators, 5- floats, at the data of 6- floating-ball level switch
Reason center, 7- connections.
Specific implementation mode
The utility model is described in further detail with reference to test example and specific implementation mode.But it should not be by this
The range for being interpreted as the above-mentioned theme of the utility model is only limitted to embodiment below, all to be realized based on the utility model content
Technology belongs to the scope of the utility model.
Embodiment 1
As shown in Figure 1, Figure 3, the waste liquid liquid level detection system with fault self-checking function of embodiment 1, including CPU controls
Module, fault warning system, liquid level detection system, liquid level detection system include level sensing module, liquid level gauge 1 and liquid level gauge
23, liquid level gauge 1 and liquid level gauge 23 connect and communicate with level sensing module respectively.Level sensing module controls mould with CPU
Block connects, and CPU control modules are connect with fault warning system.Liquid level gauge 1 and liquid level gauge 23 are that duck-beak type Floating Ball Liquid Level is opened
It closes.Liquid level gauge 1 and liquid level gauge 23 are installed on the same level height in liquid storage babinet 1.As shown in Figure 1, duck-beak type floating ball liquid
Bit switch includes stator 4 and float 5, and stator 4 is fixed on 1 madial wall of liquid storage babinet, and float 5 is articulated on stator 4.Work as liquid level
When reaching the detection range of liquid level gauge 1 and liquid level gauge 23, float 5 floats with liquid, and with the preceding end in contact of stator 4, generate
The inductive signal of liquid level inductive signal, generation is automatically delivered to level sensing module.Fig. 1 is the system installation structure of embodiment 1
Figure；Fig. 3 is the system construction drawing of embodiment 1.Liquid level detection system by level sensing module to liquid level gauge 1 and liquid level gauge
23 signal acquisition carries out level sensing fault self-checking, when level sensing module itself detects that liquid level gauge detects failure, liquid
Position detection module sends liquid level gauge fault warning order, fault warning system hair by CPU control modules to fault warning system
Be out of order alarm signal.If Fig. 4 discloses a kind of fault self-checking process of liquid level detection system, include the following steps：
One, in level sensing module, the initialization of level sensing failure logging：
（1）Level sensing failure logging times N is established and initialized, remembers N=0；Subsequently into step（2）,
Two, liquid level detection system monitors the liquid level in liquid reserve tank body in real time：
（2）Liquid level monitors in real time：Liquid level gauge one and liquid level gauge two monitor the hydroful state in liquid reserve tank body in real time respectively；When
When liquid level gauge one and/or liquid level gauge two have detected hydroful signal, liquid level gauge one and/or liquid level gauge two believe the hydroful detected
Number send level sensing module to, level sensing module receives the hydroful signal of liquid level gauge and by the hydroful signal reporting to CPU
Control module, CPU control modules receive and store the hydroful signal, subsequently into step（3）；
Three, liquid level detection system carries out fault self-checking：
（3）Level sensing module note detects that the time of hydroful is initial time t0, in t0To t0In the time of+T, liquid level
Detection module persistently receives the level sensing signal of liquid level gauge one and liquid level gauge two, and remembers that the hydroful signal number detected is a；
If a=2, hydroful signal enters step after eliminating（1）；
If a ＜ 2, enter step（4）；
（4）Level sensing failure logging times N=N+1 is changed, as N ＜ 5, remembers T=T+ NT；
It is entered step after the elimination of hydroful signal（2）；As N >=5, enter step（5）；
Four, level sensing fault warning：
（5）Level sensing module assert that liquid level detection system breaks down, and liquid level detection system is sent to CPU control modules
Level sensing fault alarm signal, CPU control modules send out liquid level fault warning order, fault warning system to fault warning system
System executes liquid level fault warning order；It is entered step after Failure elimination（1）.
Fig. 2 is the structural schematic diagram of another floating-ball level switch provided by the utility model, and wherein stator 4 is vertical
Stock, float 5 are socketed on stator 4, and float 5 can be slided up and down along stator 4.The data processing centre 6 of floating-ball level switch
At the top of the upper end of stator 4, the data processing centre 6 of floating-ball level switch can read height of the float 5 on stator 4,
And then identify the liquid level in liquid storage babinet 1.When using the floating-ball level switch described in Fig. 2, stator 4 is vertical to be installed on
In liquid storage babinet 1, float 5 floats on the upper surface of liquid, and when the liquid level in liquid storage babinet 1 changes, float 5 is with liquid level
It is raised to move up.The data processing centre 6 of floating-ball level switch calculates liquid according to climb of the float 5 on stator 4
Position height, and by connection 7 by the data transmission of liquid level to level sensing module.Two Floating Ball Liquid Levels as shown in Figure 2
When switch is installed in oil storage babinet 1, the float 5 of two floating-ball level switch floats on liquid level, is always located in same level height
Degree.Two floating-ball level switch can replace liquid level gauge 1 and liquid level gauge 23 in Fig. 1, for monitoring in oil storage babinet respectively
Liquid level.
Claims (7)
1. the waste liquid liquid level detection system with fault self-checking function, including level sensing module and liquid level gauge, level sensing mould
Block is connected and is communicated with liquid level gauge, it is characterised in that：The liquid level gauge includes two or more, and each liquid level gauge is examined respectively
Survey the hydroful state in liquid reserve tank body.
2. waste liquid liquid level detection system according to claim 1, it is characterised in that：The number of the liquid level gauge is two.
3. waste liquid liquid level detection system according to claim 2, it is characterised in that：The liquid level is calculated as Floating Ball Liquid Level and opens
It closes.
4. waste liquid liquid level detection system according to claim 3, it is characterised in that：The liquid level is calculated as duck-beak type floating ball liquid
Bit switch.
5. waste liquid liquid level detection system according to claim 4, it is characterised in that：It is vertical that two liquid level gauges are installed
Difference in height is less than or equal to 1cm.
6. waste liquid liquid level detection system according to claim 5, it is characterised in that：When installation, two liquid level gauge positions
In same level height.
7. according to the waste liquid liquid level detection system described in claim 1-6 any one, it is characterised in that：The level sensing system
System further includes CPU control modules and fault warning system, and fault warning system and level sensing module are controlled with the CPU respectively
Module is connected and is communicated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721460347.XU CN207622834U (en) | 2017-11-03 | 2017-11-03 | Waste liquid liquid level detection system with fault self-checking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721460347.XU CN207622834U (en) | 2017-11-03 | 2017-11-03 | Waste liquid liquid level detection system with fault self-checking function |
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| Publication Number | Publication Date |
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| CN207622834U true CN207622834U (en) | 2018-07-17 |
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| CN201721460347.XU Active CN207622834U (en) | 2017-11-03 | 2017-11-03 | Waste liquid liquid level detection system with fault self-checking function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727199A (en) * | 2017-11-03 | 2018-02-23 | 行愿环保科技有限公司 | Waste liquid liquid level detection system and detection method with fault self-checking function |
| CN113029305A (en) * | 2021-03-25 | 2021-06-25 | 中国长江电力股份有限公司 | Self-adaptive fault diagnosis and correction system and method for hydropower station water level measurement |
-
2017
- 2017-11-03 CN CN201721460347.XU patent/CN207622834U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727199A (en) * | 2017-11-03 | 2018-02-23 | 行愿环保科技有限公司 | Waste liquid liquid level detection system and detection method with fault self-checking function |
| CN113029305A (en) * | 2021-03-25 | 2021-06-25 | 中国长江电力股份有限公司 | Self-adaptive fault diagnosis and correction system and method for hydropower station water level measurement |
| CN113029305B (en) * | 2021-03-25 | 2023-09-19 | 中国长江电力股份有限公司 | Hydropower station water level measurement self-adaptive fault diagnosis and correction system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210823 Address after: 610213 9th floor, building 1-1, Tianke Plaza, No. 999, Tiangong Avenue, Tianfu new area, Chengdu, Sichuan Patentee after: Chengdu Jinglan space technology partnership (L.P.) Address before: 610041 No. 6, D District, Tianfu Software Park, 599 Century City South Road, Chengdu High-tech Zone, Sichuan, China. Patentee before: ACTING FOR ENVIRONMENT TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220125 Address after: 610213 No. 123, west section of Hupan Road, Xinglong Street, Tianfu new area, Chengdu, Sichuan Patentee after: Chengdu weilanxing Biotechnology Co.,Ltd. Address before: 610213 9th floor, building 1-1, Tianke Plaza, No. 999, Tiangong Avenue, Tianfu new area, Chengdu, Sichuan Patentee before: Chengdu Jinglan space technology partnership (L.P.) |
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| TR01 | Transfer of patent right |