CN112880774A - Overflow alarm and overflow alarm method - Google Patents
Overflow alarm and overflow alarm method Download PDFInfo
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- 238000004891 communication Methods 0.000 claims abstract description 27
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- 230000008859 change Effects 0.000 claims description 37
- 238000001514 detection method Methods 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 description 19
- 230000008569 process Effects 0.000 description 11
- 230000000903 blocking effect Effects 0.000 description 7
- 238000012806 monitoring device Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000000565 sealant Substances 0.000 description 6
- 239000003292 glue Substances 0.000 description 5
- 239000002699 waste material Substances 0.000 description 4
- 241000282414 Homo sapiens Species 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
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- 229910052744 lithium Inorganic materials 0.000 description 2
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- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
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- 238000012986 modification Methods 0.000 description 1
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- 230000001932 seasonal effect Effects 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
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- 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
- G01F23/30—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 floats
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Abstract
The invention provides an overflow alarm and an overflow alarm method. The invention provides an overflow alarm, comprising: the controller comprises a power module, a communication module and a processing module, wherein the power module is electrically connected with the communication module and the processing module; the bifurcated floating ball string comprises a bifurcated connecting lead, at least one floating ball assembly is arranged on the connecting lead on the branch, the floating ball assembly comprises a three-way connecting piece and a floating ball, the three-way connecting piece is connected with the connecting lead, and the side end of the three-way connecting piece is connected with the floating ball through the connecting lead; an inclination switch is arranged in the floating ball and is electrically connected with the processing module; the forked floating ball string is connected with the controller. The invention also provides an overflow alarm method, which is used for the overflow alarm. The overflow alarm can remotely alarm the backflow and overflow conditions on the two sides of the weir, and is convenient to rescue in time.
Description
The technical field is as follows:
the invention relates to the field of water level monitoring, in particular to an overflow alarm and an overflow alarm method.
Background art:
hydraulic engineering is an engineering built for controlling and allocating surface water and underground water in the nature to achieve the purposes of removing harm and benefiting, water is a valuable resource essential for human production and life, but the naturally existing state of the water does not completely meet the requirements of human beings, and only by building the hydraulic engineering, water flow can be controlled to prevent flood disasters and adjust and distribute water quantity to meet the requirements of people life and production on water resources. The regional water level of hydraulic engineering can cause potential harm to surrounding resident, consequently the technical staff can be with the regional water level excess height of real-time monitoring hydraulic engineering of monitoring stake to with the control of waterlogging disaster within controllable range, avoid the loss with preventing people's property.
When the existing water level monitoring device is used, certain disadvantages still exist, for example, people usually adopt a contact type water level sensor, so that the monitoring device is corroded for a long time, the service life is reduced, meanwhile, the existing water level monitoring device does not have a good alarm function, so that the situation that people are untimely in emergency repair and certain adverse effects are caused in the actual using process; ultrasonic wave fluviograph can receive the influence of raindrop to make certain error appear in measured data, can install tipping bucket formula rain gauge simultaneously and be used for monitoring the rainfall in order to prevent the change of reservoir water level in advance, but when not raining usually, tipping bucket formula rain gauge exposes can accumulate debris in the air, accuracy when making the rainfall monitoring rainfall receives the influence, and current monitoring devices can use industrial camera real-time observation reservoir water level condition, but when ordinary reservoir does not reach the water level that needs to pay attention, these devices are still working, very big waste electric power. Above-mentioned water level monitoring device can not be suitable for different water level monitoring environment to current monitoring device position ratio is more fixed, when because of seasonal water level change condition, can not in time, conveniently carry out effectual regulation to monitoring device's overflow alarm value, adopts the manual work to monitor the adjustment of position, consuming time power.
Therefore, there is a need in the art for an overflow alarm and method of overflow alarm.
The invention is provided in view of the above.
The invention content is as follows:
in view of the above, an object of the present invention is to provide an overflow alarm and an overflow alarm method, so as to solve at least one technical problem in the prior art.
In a first aspect of the invention, a remote alarm overflow alarm is provided.
Specifically, an overflow alarm includes:
the controller comprises a power module, a communication module and a processing module, wherein the power module is electrically connected with the communication module and the processing module;
the bifurcated floating ball string comprises a bifurcated connecting lead, at least one floating ball assembly is arranged on the connecting lead on the branch, the floating ball assembly comprises a three-way connecting piece and a floating ball, the three-way connecting piece is connected with the connecting lead, and the side end of the three-way connecting piece is connected with the floating ball through the connecting lead; an inclination switch is arranged in the floating ball and is electrically connected with the processing module; the forked floating ball string is connected with the controller.
In the specific implementation process, the forked floating ball string is divided into two or more than two branches, and the branches are divided into two groups and are respectively placed on two sides of the weir; the tilt switch adopts a mercury switch or a ball switch, is normally closed or normally open, and realizes the change of current by closing the tilt switch, so that the inclination of a plurality of floating balls is judged, and the water level value is further judged; and judging whether the conditions of overflow of a drain pipe, backflow of river water and the like occur or not by judging the change of the water levels on the two sides of the blocking weir. The communication module can adopt NB-IoT, the processor can adopt a singlechip, and the power supply module can adopt a rechargeable lithium battery.
By adopting the technical scheme, the overflow alarm is placed on the blocking weir, when the water level rises to the position of the floating ball, the floating ball tilts under the action of the buoyancy, the tilt switch transmits signals to the controller, the processing module calculates water surface information and alarm information, and the water surface information and the alarm information are transmitted to an external server and/or terminal through the communication module, so that the remote monitoring and alarm of the water level are realized. The bifurcate floating ball string can be provided with floating ball assemblies with different numbers as required, is suitable for different monitoring environments, has less power consumption of the tilt switches in a plurality of floating balls, is simple and accurate in signal processing, and is not influenced by water quality.
Further, the overflow alarm also comprises a weight part, and the weight part is arranged at the bottom end of the forked floating ball string.
By adopting the technical scheme, the gravity of the counterweight part enables the forked floating ball string to be in a falling state, when the water level on the two sides of the blocking weir is too high, only the floating ball inclines, and the trunk of the forked floating ball string cannot incline to the other side, so that the monitoring accuracy is ensured.
Preferably, at least two float ball assemblies are arranged on each branch of the forked float ball string.
By adopting the technical scheme, the rising rate of the water level can be calculated through the inclined time difference of the two floating balls, and the situation of overflow and backflow is further presumed.
Furthermore, a glue filling hole is formed in the three-way connecting piece, and sealant is arranged in the three-way connecting piece.
By adopting the technical scheme, the glue filling hole is convenient for filling the sealant into the three-way connecting piece, and the sealant is used for insulation protection of a circuit connection part in the three-way connecting piece, so that electric leakage is prevented, normal use is influenced, and the tightness of a wire connection part is improved.
Furthermore, a waterproof electric connector is arranged on the forked floating ball string.
In a specific implementation process, a waterproof electric connector is arranged on a trunk and/or a branched connecting lead of the forked floating ball string.
By adopting the technical scheme, the length of the bifurcated floating ball string is convenient to change, or the bifurcated floating ball string is convenient to replace.
A second aspect of the present invention provides an overflow alarm method for facilitating a change of an alarm level value, for use in the above-mentioned overflow alarm, comprising the steps of:
receiving a floating ball setting parameter and a first threshold value;
respectively detecting the inclination conditions of floating balls on two sides of the dam;
judging whether the water level value of at least one side exceeds a first threshold value: and if so, sending overflow and/or backflow alarm information.
In the specific implementation process, the communication module in the controller of the overflow alarm sends or receives information, the controller is in wireless connection with the terminal through the Internet of things, the Internet, mobile communication and the like, the controller is in wireless or wired connection with the server, data are stored on the server, the terminal is in wireless or wired connection with the server, and the terminal can check the data in the server. The floating balls are subjected to parameter setting through a terminal, such as a computer or a mobile phone, for example, the altitude of each floating ball or the distance between the floating balls, the inclination quantity of the floating balls is judged through the change of current, and then the water level value is judged; or different floating balls are provided with different signals, the signals of all the inclined floating balls are received, and the position of the floating ball at the highest position is taken as the water level value; the sent alarm information comprises a water level value, a first threshold value and the like, the water level value can be simply replaced by the floating ball serial number when the alarm information exceeds the first threshold value distance, if the first threshold value is set to be the 2 nd floating ball from the top, the 2 nd floating ball is detected to incline, and the fact that the first threshold value is reached is proved. The floating balls are divided into two groups, one group is placed on one side of the blocking weir close to the river, and the other group is placed on one side close to the drainage pipe; when the floating ball close to one side of the river inclines and reaches a first threshold value, a backflow warning is sent, when the floating ball close to one side of the drain pipe inclines and reaches the first threshold value, an overflow warning is sent, and the first threshold values on the two sides can be the same or different.
By adopting the technical scheme, the overflow alarm can remotely alarm in an overflow manner, and the first threshold value is convenient to modify.
Preferably, the first threshold value comprises at least two levels.
In a specific implementation process, the first threshold may be multiple, for example, a first threshold with three different risk levels, namely, a low risk level, a medium risk level and a high risk level, is set, and the content of the alarm information sent by the different risk levels may be different, for example, the first threshold with the low risk level is reached, only the water level value may be sent to the terminal, and the first threshold with the high risk level is reached, so that a warning may be popped up.
By adopting the technical scheme, the risk level of water level rise can be checked in time, and different countermeasures are taken.
Further, the alarm information for sending overflow and/or backflow comprises the following steps:
judging whether the communication module can normally send or receive signals:
if yes, judging whether the alarm information which is not uploaded exists, and if yes, uploading the alarm information which is not uploaded;
if not, the alarm information is stored locally and waits for uploading.
By adopting the technical scheme, the integrity of data is ensured, the continuity monitoring can be realized, and meanwhile, the communication resources are fully utilized, and the alarm information is effectively uploaded.
Further, the overflow alarm method comprises the following steps:
receiving a first time interval;
judging whether the time difference from the last detection is larger than or equal to a first time interval: if yes, carrying out the next detection.
By adopting the technical scheme, the water level is checked once at each first time interval, and the first time interval can be modified at any time, so that the checking frequency can be adjusted aiming at the flood season and the non-flood season, and the resources are reasonably utilized.
Further, the overflow alarm method comprises the following steps:
if the communication module can not normally send or receive signals, the data received this time is used as the parameter for the next inspection.
The received data at least comprises floating ball setting parameters and a first threshold value, and can also comprise a first time interval.
By adopting the technical scheme, when the signal can not be normally transmitted and received, the data can be normally detected and recorded.
Further, the overflow alarm method comprises the following steps:
receiving a last detected water level value and a second threshold value;
calculating a water level change difference value of the time, wherein the water level change difference value is the water level value of the time-the water level value of the last time;
judging whether the water level change difference value of at least one side exceeds the second threshold value: and if so, sending alarm information.
In the implementation process, the last detected water level value is received, and the last detected water level value can be received from the local or from the server through the communication module 12. The alarm information includes a water level change difference.
By adopting the technical scheme, when the water level change difference value exceeds the second threshold value, the water level change is fast, the water level value has the risk of exceeding the first threshold value, the user is reminded to pay attention to, and parameters such as the first time interval and the first threshold value are changed, so that better monitoring can be realized, and preparation can be made in advance.
Further, the overflow alarm method comprises the following steps:
and if the water level change difference exceeds the second threshold value and the communication module cannot normally send or receive signals, changing the first time interval into a second time interval, wherein the second time interval is smaller than the first time interval.
Further, the overflow alarm method comprises the following steps:
judging whether the water level change difference value is a negative value or not, wherein the water level value is lower than the first threshold value: if so, the second time interval is changed into the first time interval.
Preferably, the second time interval is half of the first time interval.
By adopting the technical scheme, if the water level changes rapidly, the water level change is detected more frequently so as to record the water level change more finely, predict the water level change and find the condition that the water level value exceeds the first threshold value in time; when the water level value is lowered and is lower than the first threshold value, the risk is reduced, and the first time interval is adopted for monitoring at the moment, so that the resource waste can be reduced.
In conclusion, the invention has the following beneficial effects:
1. the overflow alarm can remotely alarm the backflow and overflow conditions at two sides of the weir, so that the overflow alarm is convenient to rescue in time;
2. the overflow alarm is convenient for changing the length of the forked floating ball string or replacing a certain forked floating ball string, is suitable for different monitoring environments, has low power consumption of the inclined switches in a plurality of floating balls, is simple and accurate in signal processing, and is not influenced by water quality;
3. through the cooperation of the controller and the second controller, signals are controlled in a grading manner, the operation efficiency is improved, and resources are reasonably utilized;
4. the overflow alarm can remotely alarm overflow, so that the first threshold value and the second threshold value can be conveniently modified;
5. the overflow alarm method is convenient for modifying alarm parameters, different monitoring frequencies are selected according to the water level change condition, and resource waste is reduced.
Description of the drawings:
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a perspective view of one embodiment of an overflow alarm of the present invention;
FIG. 2 is a front view of one embodiment of the overflow alarm of the present invention;
FIG. 3 is a perspective view of one embodiment of the three-way connection of the present invention;
FIG. 4 is a schematic diagram of one embodiment of an electrical connection for an overflow alarm of the present invention;
FIG. 5 is a schematic diagram of a first embodiment of an overflow warning method of the present invention;
FIG. 6 is a schematic diagram of a second embodiment of an overflow warning method of the present invention;
FIG. 7 is a schematic diagram of a third embodiment of an overflow warning method of the present invention;
FIG. 8 is a schematic diagram of a fourth embodiment of an overflow warning method of the present invention;
FIG. 9 is a diagram illustrating network connections of a controller according to the present invention.
Description of reference numerals:
the technical scheme of the invention can be more clearly understood and explained by combining the embodiment of the invention through the reference sign description.
1. A controller; 11. a power supply module; 12. a communication module; 13. a processing module; 2. connecting a lead; 3. a tee joint connector; 31. filling glue holes; 4. a floating ball; 41. a tilt switch; 6. a counterweight; 7. an electrical connector; 8. and (6) a weir.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
The present invention will be described in detail below by way of examples.
Referring to fig. 1, 2 and 4, the present invention provides an overflow alarm comprising:
the controller 1 comprises a power module 11, a communication module 12 and a processing module 13, wherein the power module 11 is electrically connected with the communication module 12 and the processing module 13;
the bifurcated floating ball string comprises a bifurcated connecting lead 2, at least one floating ball assembly is arranged on the connecting lead 2 on the branch, the floating ball assembly comprises a three-way connecting piece 3 and a floating ball 4, the three-way connecting piece 3 is connected with the connecting lead 2, and the side end of the three-way connecting piece 3 is connected with the floating ball 4 through the connecting lead 2; an inclined switch 41 is arranged in the floating ball 4, and the inclined switch 41 is electrically connected with the processing module 13; the forked floating ball string is connected with the controller 1.
In the specific implementation process, the forked floating ball string is divided into two or more than two branches, and the branches are divided into two groups and are respectively placed on two sides of the weir 8; the tilt switch 41 adopts a mercury switch or a ball switch, the tilt switch 41 is normally closed or normally open, and the change of current is realized by closing the tilt switch 41, so that the inclination of the floating ball 4 is judged, and the water level value is further judged; and judging whether the conditions of overflow of a drain pipe, backflow of river water and the like occur or not by judging the change of the water levels on the two sides of the dam 8. The communication module 12 may adopt NB-IoT, the processor may adopt a single chip microcomputer, and the power module 11 may adopt a rechargeable lithium battery.
By adopting the technical scheme, the overflow alarm is placed on the blocking weir 8, when the water level rises to the position of the floating ball 4, the floating ball 4 tilts under the action of buoyancy, the tilt switch 41 transmits signals to the controller 1, the processing module 13 calculates water surface information and alarm information, and the water surface information and the alarm information are transmitted to an external server and/or terminal through the communication module 12, so that the water level is remotely monitored and alarmed. The bifurcate floating ball string can be provided with different numbers of floating ball assemblies as required, is suitable for different monitoring environments, has less power consumption of the tilt switches 41 in the floating balls 4, is simple and accurate in signal processing, and is not influenced by water quality.
In a preferred embodiment of the invention, the overflow alarm further comprises a weight 6, the weight 6 being arranged at the bottom end of the bifurcated float string.
By adopting the technical scheme, the gravity of the counterweight 6 enables the forked floating ball string to be in a falling state, when the water levels on the two sides of the blocking weir 8 are too high, only the floating ball 4 inclines, the trunk of the forked floating ball string cannot incline to the other side, and the monitoring accuracy is further ensured.
In a preferred embodiment of the invention, at least two float assemblies are provided on each branch of the bifurcated float string.
By adopting the technical scheme, the rising rate of the water level can be calculated through the time difference of the inclination of the two floating balls 4, and the situations of overflow and backflow are presumed.
Referring to fig. 3, in a preferred embodiment of the present invention, a glue filling hole 31 is formed on the three-way connection member 3, and a sealant is provided in the three-way connection member 3.
By adopting the technical scheme, the glue filling hole 31 is convenient for filling the three-way connecting piece 3 with the sealant, and the sealant is used for insulation protection of the circuit connection part in the three-way connecting piece 3, so that electric leakage is prevented, normal use is prevented, and the tightness of the wire connection part is improved.
Referring to fig. 1 and 2, in a preferred embodiment of the invention, a waterproof electrical connector 7 is provided on the bifurcated float string.
In the specific implementation process, a waterproof electric connector 7 is arranged on the trunk and/or the branch connecting lead 2 of the forked floating ball string.
By adopting the technical scheme, the length of the bifurcated floating ball string is convenient to change, or the bifurcated floating ball string is convenient to replace.
Referring to fig. 5, the present invention further provides an overflow alarm method, which is used for the overflow alarm, and includes the following steps:
s100, receiving a parameter set by a floating ball 4 and a first threshold value;
s200, respectively detecting the inclination conditions of the floating balls 4 on two sides of the dam 8;
s300, judging whether the water level value of at least one side exceeds a first threshold value: and if so, S400, sending overflow and/or backflow alarm information.
Referring to fig. 9, in a specific implementation process, the communication module 12 in the controller 1 of the overflow alarm sends or receives information, the controller 1 is wirelessly connected with the terminal through internet of things, internet, mobile communication and the like, the controller 1 is wirelessly or wiredly connected with the server to store data on the server, and the terminal is wirelessly or wiredly connected with the server to check the data in the server. Through a terminal, such as a computer or a mobile phone, parameter setting is carried out on the floating balls 4, such as the altitude of each floating ball 4 or the distance between the floating balls 4, the quantity of the inclined floating balls 4 is judged through the change of current, and then the water level value is judged; or different signals are set for different floating balls 4, the signals of all the inclined floating balls 4 are received, and the position of the floating ball 4 at the highest position is taken as the water level value; the sent alarm information comprises a water level value, a first threshold value and the like, the water level value can be simply replaced by the serial number of the floating ball 4 when the alarm information exceeds the first threshold value distance, if the first threshold value is set to be the 2 nd floating ball 4 from the top, the 2 nd floating ball 4 is detected to incline, and the fact that the first threshold value is reached is proved. The floating balls 4 are divided into two groups, one group is placed on one side of the blocking weir 8 close to the river, and the other group is placed on one side close to the drainage pipe; when the floating ball 4 close to one side of the river inclines and reaches a first threshold value, a backflow warning is sent, when the floating ball 4 close to one side of the drain pipe inclines and reaches the first threshold value, an overflow warning is sent, and the first threshold values on the two sides can be the same or different.
By adopting the technical scheme, the overflow alarm can remotely alarm in an overflow manner, and the first threshold value is convenient to modify.
In a preferred embodiment of the invention, the first threshold comprises at least two levels.
In a specific implementation process, the first threshold may be multiple, for example, a first threshold with three different risk levels, namely, a low risk level, a medium risk level and a high risk level, is set, and the content of the alarm information sent by the different risk levels may be different, for example, the first threshold with the low risk level is reached, only the water level value may be sent to the terminal, and the first threshold with the high risk level is reached, so that a warning may be popped up.
By adopting the technical scheme, the risk level of water level rise can be checked in time, and different countermeasures are taken.
Referring to fig. 6, in a preferred embodiment of the present invention, the s400 sending the alarm information of overflow and/or backflow includes the following steps:
s140, judging whether the communication module 12 can normally send or receive signals:
if yes, S420, judging whether the alarm information which is not uploaded exists, and if yes, S430, uploading the alarm information which is not uploaded;
if not, S440, the alarm information is stored locally and is waited to be uploaded.
By adopting the technical scheme, the integrity of data is ensured, the continuity monitoring can be realized, and meanwhile, the communication resources are fully utilized, and the alarm information is effectively uploaded.
Referring to fig. 7, in a preferred embodiment of the present invention, the overflow alarming method includes the steps of:
s510, receiving a first time interval;
s520, judging whether the time difference between the last detection and the last detection is larger than or equal to a first time interval: if yes, carrying out the next detection.
By adopting the technical scheme, the water level is checked once at each first time interval, and the first time interval can be modified at any time, so that the checking frequency can be adjusted aiming at the flood season and the non-flood season, and the resources are reasonably utilized.
In a preferred embodiment of the present invention, the overflow alarming method includes the steps of:
if the communication module 12 cannot normally send or receive signals, s600, the data received this time is used as a parameter for the next inspection.
The received data at least comprises the floating ball 4 setting parameter and a first threshold value, and can also comprise a first time interval.
By adopting the technical scheme, when the signal can not be normally transmitted and received, the data can be normally detected and recorded.
Referring to fig. 8, in a preferred embodiment of the present invention, the overflow alarming method includes the steps of:
s710, receiving a last detected water level value and a second threshold value;
s720, calculating a water level change difference value of the time, wherein the water level change difference value is the water level value of the time-the water level value of the last time;
s730, judging whether the water level change difference value of at least one side exceeds the second threshold value: and if so, S400, sending alarm information.
In the implementation process, the last detected water level value is received, which may be received from the local, or may be received from the server through the communication module 1212. The alarm information includes a water level change difference.
By adopting the technical scheme, when the water level change difference value exceeds the second threshold value, the water level change is fast, the water level value has the risk of exceeding the first threshold value, the user is reminded to pay attention to, and parameters such as the first time interval and the first threshold value are changed, so that better monitoring can be realized, and preparation can be made in advance.
In a preferred embodiment of the present invention, the overflow alarming method includes the steps of:
if the water level variation difference exceeds the second threshold and the communication module 12 cannot normally send or receive a signal, s810. change the first time interval to a second time interval, where the second time interval is smaller than the first time interval.
In a preferred embodiment of the present invention, the overflow alarming method includes the steps of:
judging whether the water level change difference value is a negative value or not, wherein the water level value is lower than the first threshold value: if so, the second time interval is changed into the first time interval.
In a preferred embodiment of the invention, the second time interval is half the first time interval.
By adopting the technical scheme, if the water level changes rapidly, the water level change is detected more frequently so as to record the water level change more finely, predict the water level change and find the condition that the water level value exceeds the first threshold value in time; when the water level value is lowered and is lower than the first threshold value, the risk is reduced, and the first time interval is adopted for monitoring at the moment, so that the resource waste can be reduced.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An overflow alarm, comprising:
the controller (1), the controller (1) includes a power module (11), a communication module (12) and a processing module (13), the power module (11) is electrically connected with the communication module (12) and the processing module (13);
the bifurcate floating ball string comprises a bifurcate connecting lead (2), at least one floating ball assembly is arranged on the connecting lead (2) on each branch, each floating ball assembly comprises a three-way connecting piece (3) and a floating ball (4), the three-way connecting piece (3) is connected with the connecting lead (2), and the side end of the three-way connecting piece (3) is connected with the floating ball (4) through the connecting lead (2); an inclined switch (41) is arranged in the floating ball (4), and the inclined switch (41) is electrically connected with the processing module (13); the forked floating ball string is connected with the controller (1).
2. The overflow alarm of claim 1, wherein: the overflow alarm further comprises a weight part (6), and the weight part (6) is arranged at the bottom end of the forked floating ball string.
3. An overflow alarm as claimed in claim 1 or claim 2, wherein: at least two floating ball assemblies are arranged on each branch of the forked floating ball string.
4. The overflow alarm of claim 3, wherein: and a waterproof electric connector (7) is arranged on the forked floating ball string.
5. An overflow alarm method for an overflow alarm according to any of claims 1-4, comprising the steps of:
receiving the setting parameters and the first threshold value of the floating ball (4);
respectively detecting the inclination conditions of the floating balls (4) at the two sides of the dam (8);
judging whether the water level value of at least one side exceeds a first threshold value: and if so, sending overflow and/or backflow alarm information.
6. The overflow warning method of claim 5, wherein: the first threshold includes at least two levels.
7. The overflow warning method according to claim 5 or 6, wherein: the alarm information for sending the overflow and/or the backflow comprises the following steps:
judging whether the communication module (12) can normally send or receive signals:
if yes, judging whether the alarm information which is not uploaded exists, and if yes, uploading the alarm information which is not uploaded;
if not, the alarm information is stored locally and waits for uploading.
8. The overflow warning method of claim 7, wherein: the overflow alarm method comprises the following steps:
receiving a first time interval;
judging whether the time difference from the last detection is larger than or equal to a first time interval: if yes, carrying out the next detection.
9. The overflow warning method of claim 8, wherein: the overflow alarm method comprises the following steps:
if the communication module (12) can not normally send or receive signals, the data received this time is used as the parameter of the next check.
10. The overflow warning method of claim 5, 8 or 9, wherein: the overflow alarm method comprises the following steps:
receiving a last detected water level value and a second threshold value;
calculating a water level change difference value of the time, wherein the water level change difference value is the water level value of the time-the water level value of the last time;
judging whether the water level change difference value of at least one side exceeds the second threshold value: and if so, sending alarm information.
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