CN113639826A - Septic tank liquid level overflow detection device - Google Patents
Septic tank liquid level overflow detection device Download PDFInfo
- Publication number
- CN113639826A CN113639826A CN202110820316.5A CN202110820316A CN113639826A CN 113639826 A CN113639826 A CN 113639826A CN 202110820316 A CN202110820316 A CN 202110820316A CN 113639826 A CN113639826 A CN 113639826A
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- liquid level
- module
- septic tank
- probe
- level detection
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- 239000007788 liquid Substances 0.000 title claims abstract description 88
- 238000001514 detection method Methods 0.000 title claims abstract description 40
- 239000000523 sample Substances 0.000 claims abstract description 44
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- 238000004891 communication Methods 0.000 claims description 11
- 238000007654 immersion Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 229910044991 metal oxide Inorganic materials 0.000 claims 1
- 150000004706 metal oxides Chemical class 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The invention relates to a septic tank liquid level overflow detection device, which comprises a shell, a power supply module, a control module, an NB-IOT module and a liquid level detection module, wherein the power supply module, the control module, the NB-IOT module and the liquid level detection module are arranged in the shell, the positive and negative pole power supply output ends of the power supply module, the NB-IOT module and the positive and negative pole power supply input ends of the liquid level detection module are respectively connected through leads, the signal output end of the liquid level detection module is connected with the signal input end of the control module through a lead, the signal input end of the control module is connected with the signal input end of the NB-IOT module through a lead, the liquid level detection module comprises a voltage conversion module, an MOS tube switching circuit and a liquid level probe, and the liquid level probe is arranged outside the shell. The septic tank liquid level overflow detection device can solve the problem that the conventional liquid level detection device informs management personnel of having regional limitation, and the problem that the management personnel cannot timely receive an alarm and timely process the alarm.
Description
Technical Field
The invention belongs to the technical field of domestic sewage treatment facilities, and relates to a liquid level overflow detection device for a septic tank.
Background
The liquid level height monitoring device of the existing septic tank generally adopts a liquid level switch to detect, and when the liquid level of the septic tank reaches a certain position or submerges the liquid level switch, a manager is informed through on-site alarm, and then the manager takes corresponding measures to process. In the mode, the manager can be informed only when the liquid level of the on-site alarm box reaches the highest point, and if the manager does not receive alarm information on the periphery of the on-site, the manager cannot know the specific situation, so that great inconvenience is brought to the management work of related managers, and the problem of untimely treatment is caused.
Disclosure of Invention
The invention aims to provide a liquid level overflow detection device for a septic tank, which solves the problem that the conventional liquid level detection device informs a manager that the management personnel has region limitation and the problem that the management personnel cannot receive an alarm in time and process the alarm in time.
In order to achieve the aim, the invention provides a septic tank liquid level overflow detection device, which comprises a shell, a power supply module, a control module, an NB-IOT module and a liquid level detection module, wherein the power supply module, the control module, the NB-IOT module and the liquid level detection module are arranged in the shell, the positive and negative pole power output ends of the power module are respectively connected with the NB-IOT module and the positive and negative pole power input ends of the liquid level detection module through leads, the signal output end of the liquid level detection module is connected with the signal input end of the control module through a lead, the signal input end of the control module is connected with the signal input end of the NB-IOT module through a lead, the liquid level detection module comprises a voltage conversion module, an MOS tube switch circuit and a liquid level probe, the liquid level probe is arranged outside the shell and further comprises a communication receiving device used for receiving wireless digital signals transmitted by the NB-IOT module.
According to one aspect of the invention, the number of the liquid level probes is two, the shell is provided with a first through hole and a second through hole, one of the liquid level probes penetrates through the first through hole through a conducting wire to be connected with the power module and the grid electrode of the MOS tube, and the other liquid level probe penetrates through the second through hole through a conducting wire to be connected with the source electrode of the MOS tube.
According to one aspect of the invention, the voltage conversion module comprises a voltage conversion chip, the MOS transistor switch circuit is connected to an enable terminal of the voltage conversion chip, and a voltage output terminal of the voltage conversion chip is connected to an input terminal of the power module.
According to one aspect of the invention, the level probe is a water immersion rope probe.
According to one aspect of the invention, the level probe is fixed to a support.
The liquid level detection module formed by an MOS tube switch circuit is used for liquid level detection of the septic tank, the liquid level detection module has the characteristics of low cost and high sensitivity, when the probe detects that the liquid level of the septic tank reaches the position of the probe, the liquid level detection module can output a high level signal to enter the control module, then the control module outputs a digital signal to enter the signal input end of the NB-IOT module, the NB-IOT module can transmit a wireless digital signal through a mobile wireless network, a management party is in any place, and after the wireless signal is received through a communication receiving device, the situation of ultrahigh liquid level of the septic tank on site can be mastered at the first time so as to actively take countermeasures, the timeliness of the ultrahigh liquid level treatment of the septic tank is realized, and the normal life of villagers is prevented from being influenced by the ultrahigh liquid level of the septic tank. Because the control module and the NB-IOT module all adopt ultra-low cost and ultra-low power consumption chips, the novel relatively similar product has the advantage of low cost.
Drawings
Fig. 1 is a schematic structural view showing a septic tank liquid level overflow detecting apparatus according to an embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
In describing embodiments of the present invention, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship that is based on the orientation or positional relationship shown in the associated drawings, which is for convenience and simplicity of description only, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, the above-described terms should not be construed as limiting the present invention.
The present invention is described in detail below with reference to the drawings and the specific embodiments, which are not repeated herein, but the embodiments of the present invention are not limited to the following embodiments.
As shown in figure 1, the invention provides a liquid level overflow detection device of a septic tank, which comprises a shell 1, a power module 2 arranged in the shell 1 and a control module 3, NB-IOT module 4 and liquid level detection module 5, 2 positive and negative poles power output of power module and NB-IOT module 4, the positive and negative poles power input of liquid level detection module 5 passes through the wire connection respectively, the signal output part of liquid level detection module 5 passes through the wire connection with control module 3's signal input part, control module 3's signal input end passes through the wire connection with NB-IOT module 4's signal input part, liquid level detection module 5 includes voltage conversion module, MOS pipe switch circuit and liquid level probe 6, liquid level probe 6 sets up outside casing 1, still include the communication receiving equipment, a wireless digital signal for receiving NB-IOT module 4 launches.
In the invention, the voltage conversion module comprises a voltage conversion chip, the MOS tube switch with circuit is connected with the enabling end of the voltage conversion chip, and the voltage output end of the voltage conversion chip is connected with the input end of the power module.
According to one embodiment of the invention, the liquid level overflow detection device of the septic tank is arranged on the wall of the septic tank, two liquid level probes 6 are arranged, and the liquid level probes are corrosion-resistant and wear-resistant probes. In this embodiment, the housing 1 is provided with a first through hole 11 and a second through hole 12, one of the liquid level probes 6 passes through the first through hole 11 through a wire to be connected with the power module 2 and the MOS transistor gate, and the other liquid level probe 6 passes through the second through hole 12 through a wire to be connected with the MOS transistor source. According to one embodiment of the invention, the level probe 6 is a water immersion rope probe. The liquid level probe 6 is fixed on the bracket 7.
Specifically, the two probes are arranged externally, the probes are connected with an MOS tube switching circuit through a lead and extend out of the shell, the water immersion rope probes are fixed on the support, two ends of the support are sealed, and the probes are water immersion ropes. The first through hole and the second through hole are sealed at the connecting part of the leads of the two probes. After all the components are installed in the shell, the shell and the holes are subjected to sealing process treatment, and liquid and air outside the shell cannot enter the shell.
According to one embodiment of the invention, the power module employs a 3.6V lithium ion battery. The voltage conversion module adopts a chip of RT9013 type, can convert the input voltage from 3.6V to 3.3V voltage, and is convenient for supplying power for devices with 3.3V voltage requirements. The liquid level detection module consists of a voltage conversion module, an MOS tube switch circuit 3-3 and two corrosion-resistant and wear-resistant probes, has the functions of detecting a liquid level signal and outputting a signal, and is used as a switch for standby equipment. The model of a main control chip used by the control module is HC32L110, and the control module is provided with two power supply input ends and three UARTs. The NB-IOT module may adopt an NB81 communication module, and the NB81 module has four operating frequency bands, which are: b1, B3, B5 and B8.
As shown in the figure, the power supply module supplies power to the liquid level detection module and the NB-IOT module. And the voltage conversion module supplies the converted voltage to the main control chip. Because the probe is connected with the MOS tube in the MOS tube switching circuit, the probe can be equivalent to a part of conducting wires in the MOS tube circuit, and the MOS tube switching circuit controls the power supply of the whole device to be switched on and off, when the probe is not in contact with the liquid level and is in a dry state, the probe is equivalent to the power supply of the MOS tube switching circuit to be switched off, the MOS tube is switched off, the MOS tube circuit stops supplying power to the device, the device does not work, and the overlong standby effect can be achieved; when the liquid level is higher than the probe, the probe is conducted due to the conduction of the liquid, which is equivalent to the conduction of the MOS tube switching circuit, the MOS tube starts to work, the MOS tube switching circuit supplies power to the device, meanwhile, the liquid level ultrahigh signal is transmitted to the control module for processing, the control module transmits the signal to the NB-IOT module and then transmits a wireless digital signal through the mobile wireless network, after a manager receives the wireless signal through the communication receiving equipment at any place, under the action of the existing mature application software arranged in the communication equipment (which is equivalent to that the telephone number of the communication equipment at the side of the management party is dialed and the communication equipment makes a sound), the communication equipment sends out an alarm signal for a period of time, and managers can master the situation that the liquid level of the septic tank is ultrahigh on site at the first time, by actively taking counter measures, the timeliness of the ultrahigh liquid level treatment of the septic tank is achieved, and the influence on the normal life of villagers due to the ultrahigh liquid level of the septic tank is prevented.
The liquid level detection module formed by related circuits of MOS tubes is adopted for liquid level detection of the septic tank, the liquid level detection module has the characteristics of low cost and high sensitivity, when the probe detects that the liquid level of the septic tank reaches the position of the probe, the liquid level detection module can output a high level signal to enter the control module, then the control module outputs a digital signal to enter the signal input end of the NB-IOT module, the NB-IOT module can transmit a wireless digital signal through a mobile wireless network, a management party is in any place, and after the wireless signal is received through communication receiving equipment, the situation of ultrahigh liquid level of the septic tank on site can be mastered at the first time so as to actively take countermeasures, the timeliness of the treatment of the ultrahigh liquid level of the septic tank is realized, and the normal life of villagers is prevented from being influenced by the ultrahigh liquid level of the septic tank. Because the control module and the NB-IOT module all adopt ultra-low cost and ultra-low power consumption chips, the novel relatively similar product has the advantage of low cost.
The above description is only one 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 (5)
1. The septic tank liquid level overflow detection device is characterized by comprising a shell (1), a power module (2), a control module (3), an NB-IOT module (4) and a liquid level detection module (5) which are arranged in the shell (1), wherein the power module (2) is connected with a positive and negative pole power output end, the NB-IOT module (4) and a positive and negative pole power input end of the liquid level detection module (5) respectively through leads, a signal output end of the liquid level detection module (5) is connected with a signal input end of the control module (3) through leads, a signal output end of the control module (3) is connected with a signal input end of the NB-IOT module (4) through leads, the liquid level detection module (5) comprises a voltage conversion module, an MOS (metal oxide semiconductor) tube switch circuit and a liquid level probe (6), and the liquid level probe (6) is arranged outside the shell (1), the communication receiving equipment is used for receiving wireless digital signals transmitted by the NB-IOT module (4).
2. The septic tank liquid level overflow detecting device of claim 1, wherein there are two liquid level probes (6), the housing (1) is provided with a first through hole (11) and a second through hole (12), one of the liquid level probes (6) is connected with the power module (2) and the MOS tube grid by passing through the first through hole (11) through a conducting wire, and the other liquid level probe (6) is connected with the MOS tube source by passing through the second through hole (12) through a conducting wire.
3. The device for detecting the liquid level overflow of the septic tank, according to claim 2, wherein the voltage conversion module comprises a voltage conversion chip, the MOS transistor switch circuit is connected with an enable terminal of the voltage conversion chip, and a voltage output terminal of the voltage conversion chip is connected with an input terminal of the power supply module.
4. The septic tank liquid level overflow detecting device of claim 3, wherein the liquid level probe (6) is a water immersion rope probe.
5. The septic tank liquid level overflow detecting device according to claim 4, characterized in that the liquid level probe (6) is fixed on a bracket (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110820316.5A CN113639826A (en) | 2021-07-20 | 2021-07-20 | Septic tank liquid level overflow detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110820316.5A CN113639826A (en) | 2021-07-20 | 2021-07-20 | Septic tank liquid level overflow detection device |
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| Publication Number | Publication Date |
|---|---|
| CN113639826A true CN113639826A (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110820316.5A Pending CN113639826A (en) | 2021-07-20 | 2021-07-20 | Septic tank liquid level overflow detection device |
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| Country | Link |
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| CN (1) | CN113639826A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4413810A (en) * | 1981-08-19 | 1983-11-08 | Mannesmann Aktiengesellschaft | Ascertaining the level of the slag-liquid-metal interface in metallurgical vessels |
| CN205483168U (en) * | 2015-12-18 | 2016-08-17 | 浙江苏泊尔家电制造有限公司 | Water level detection circuit and electric rice cooker |
| CN206399502U (en) * | 2016-08-23 | 2017-08-11 | 深圳市拓普泰克电子有限公司 | Probe-type water level detection circuit and condensate tank of dehumidifier |
| CN206656777U (en) * | 2017-03-30 | 2017-11-21 | 哈尔滨理工大学 | Simple water-level alarm |
| CN110009877A (en) * | 2019-05-07 | 2019-07-12 | 浙江嘉科电子有限公司 | A kind of anti-spilled early warning and monitoring device of septic tank |
| CN211833960U (en) * | 2019-10-12 | 2020-11-03 | 苏州咖乐美咖啡机科技有限公司 | Coffee machine and liquid dosage monitoring device thereof |
| CN212133784U (en) * | 2020-05-08 | 2020-12-11 | 深圳市宏电技术股份有限公司 | Septic tank state monitoring devices |
-
2021
- 2021-07-20 CN CN202110820316.5A patent/CN113639826A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4413810A (en) * | 1981-08-19 | 1983-11-08 | Mannesmann Aktiengesellschaft | Ascertaining the level of the slag-liquid-metal interface in metallurgical vessels |
| CN205483168U (en) * | 2015-12-18 | 2016-08-17 | 浙江苏泊尔家电制造有限公司 | Water level detection circuit and electric rice cooker |
| CN206399502U (en) * | 2016-08-23 | 2017-08-11 | 深圳市拓普泰克电子有限公司 | Probe-type water level detection circuit and condensate tank of dehumidifier |
| CN206656777U (en) * | 2017-03-30 | 2017-11-21 | 哈尔滨理工大学 | Simple water-level alarm |
| CN110009877A (en) * | 2019-05-07 | 2019-07-12 | 浙江嘉科电子有限公司 | A kind of anti-spilled early warning and monitoring device of septic tank |
| CN211833960U (en) * | 2019-10-12 | 2020-11-03 | 苏州咖乐美咖啡机科技有限公司 | Coffee machine and liquid dosage monitoring device thereof |
| CN212133784U (en) * | 2020-05-08 | 2020-12-11 | 深圳市宏电技术股份有限公司 | Septic tank state monitoring devices |
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Application publication date: 20211112 |