CN103115564A - Water inflowing detection sensor, water inflowing protection device and communication device and method - Google Patents
Water inflowing detection sensor, water inflowing protection device and communication device and method Download PDFInfo
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- CN103115564A CN103115564A CN2013100272124A CN201310027212A CN103115564A CN 103115564 A CN103115564 A CN 103115564A CN 2013100272124 A CN2013100272124 A CN 2013100272124A CN 201310027212 A CN201310027212 A CN 201310027212A CN 103115564 A CN103115564 A CN 103115564A
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Abstract
The invention provides a water inflowing detection sensor, a water inflowing protection device, a communication device and a method. The water inflowing detection sensor comprises at least two resistance mesh layers, an electric insulation water absorbing plate and a detection circuit, wherein the electric insulation water absorbing plate is located between the resistance mesh layers; each resistance mesh layer is provided with at least one conductive circuit; the electric insulation water absorbing plate is used for absorbing water and isolating the resistance mesh layers; when the electric insulation water absorbing plate absorbs the water, a water absorbing position of the electric insulation water absorbing plate communicates two adjacent resistance mesh layers; the detection circuit is isolated from the electric isolation water absorbing plate; and the detection circuit is connected with the conductive circuits of the resistance mesh layers to be used for collecting an electrical parameter changing value between the resistance mesh layers and confirming water inflowing detection information according to the electrical parameter changing value. The water inflowing detection sensor, the water inflowing protection device, the communication device and the method can be repeatedly used for water inflowing detection and have strong applicability and transpotability.
Description
Technical field
The embodiment of the invention relates to electrical technology, relates in particular to a kind of water inlet detecting sensor, water inlet protective device, communication facilities and method.
Background technology
Development along with science and technology, the equipment that network communication equipment, electrical equipment etc. have a large amount of electronic devices and components more and more is widely used, the safe operation of this kind equipment needs dry running environment usually, if the equipment water inlet may cause equipment failure or damage.But the installation environment of equipment reality be difficult to guarantee the more area of waterproof, especially rainwater, and the house waterflooding of leaking often occurs, and adds that most equipment adopt fan coolings, and perforate is more, causes being very easy to water inlet.Therefore, need a kind of technology to come checkout equipment to occur to intake and take safeguard measure.
At present; normally used waterproof technique is for arranging water inlet testing circuit plate in the equipment of wish protection; be provided with the water inlet testing circuit that is connected with the electrode output of wish protection, in circuit, be provided with inlet water sensor, in the apparatus casing setting inlet opening relative with sensor at the testing circuit plate.The water inlet testing circuit comprises the components and parts such as control integration piece, metal-oxide-semiconductor, switch integrated package and inlet water sensor; wherein inlet water sensor is made of two fork-shaped Five-gold-sheets; one of them Five-gold-sheet pin is connected with the electrode anode of wish protection; another Five-gold-sheet pin is connected with a pin of metal-oxide-semiconductor; second pin of metal-oxide-semiconductor is connected by the positive pole of the electrode of resistance and wish protection, and the 3rd of metal-oxide-semiconductor is connected with the pin of control integration piece and the pin of switch integrated package respectively with the 4th pin.Its principle of work is, two of inlet water sensor mutual conductings of fork-shaped Five-gold-sheet during water inlet, thus make coupled metal-oxide-semiconductor conducting, thus send signal for the control integration piece.The control integration piece sends signal to coupled switch integrated package, the feed circuit of the equipment of switch integrated package automatic cutout wish protection, thus protect this equipment can not damage because of water inlet.
But this waterproof technique prevents the damage of wish protection equipment although can in time cut off the power supply afterwards in water inlet, can't prevent the damage of the various electronic devices and components on this water inlet testing circuit plate, thereby this water inlet testing circuit plate usually can't Reusability.
Summary of the invention
The embodiment of the invention provides a kind of water inlet detecting sensor, water inlet protective device, communication facilities and method, can detect water inlet by Reusability, and have very strong applicability and portability.
First aspect, a kind of water inlet detecting sensor is provided, has comprised: at least two resistance stratum reticulares, electrical isolation water sucting plate and testing circuits, described electrical isolation water sucting plate is between described resistance stratum reticulare, wherein, be laid with at least one conducting wire on each described resistance stratum reticulare; Described electrical isolation water sucting plate is used for suction and isolates described resistance stratum reticulare, when described electrical isolation water sucting plate suction, suction place of described electrical isolation water sucting plate will be adjacent two resistance stratum reticulares connections; Described testing circuit and the isolation of described electrical isolation water sucting plate, described testing circuit is connected with the conducting wire of described resistance stratum reticulare, is used for gathering the electrical quantity changing value between each described resistance stratum reticulare, and determines water inlet detection information according to described electrical quantity changing value.
In the possible implementation of the first of described first aspect, the electric line cloth of described resistance stratum reticulare is made as the parallel grid shape; Described testing circuit comprises Acquisition Circuit and counting circuit, and wherein, described Acquisition Circuit is connected with the conducting wire of described resistance stratum reticulare, is used for gathering the electrical quantity changing value between each described resistance stratum reticulare; Described counting circuit, be used for determining that according to the described electrical quantity changing value of described Acquisition Circuit collection described water inlet detects information, described electrical quantity variation comprises: curent change value or voltage change, described water inlet detection information comprises: water inlet area information or water inlet positional information.
In the possible implementation of the first of described first aspect or described first aspect, the possible implementation of the second of described first aspect also is provided, in the possible implementation of the second of described first aspect, the quantity of described resistance stratum reticulare is two, the electrical input of the described conducting wire of one of them described resistance stratum reticulare and electric output terminal are laid in the two ends of the electric line X-axis of described parallel grid shape, the electrical input of the described conducting wire of another described resistance stratum reticulare and electric output terminal are laid in the two ends of the electric line Y-axis of described parallel grid shape, and described X-axis and described Y-axis are orthogonal.
In above-mentioned any one possible implementation of described first aspect or described first aspect; the third possible implementation of described first aspect also is provided; in the third possible implementation of described first aspect; also comprise: two electrical isolation fenders; described two electrical isolation fenders are separately positioned on the outside of all resistance stratum reticulares, are used for described resistance stratum reticulare and peripherals isolation.
In described first aspect or above-mentioned any one the possible implementation of described first aspect, the 4th kind of possible implementation of described first aspect also is provided, in the 4th kind of possible implementation of described first aspect, the conducting wire material of described resistance stratum reticulare is the material of resistivity in predefined rainwater electrical resistivity range.
Second aspect, a kind of water inlet protective device is provided, comprise: described water inlet protective device is used for the water inlet protection of protected equipment, described water inlet protective device comprises: water inlet detecting sensor and processor, wherein, described water inlet detecting sensor adopts the present invention's described water inlet detecting sensor of detecting sensor embodiment of intaking arbitrarily; Described processor links to each other with described water inlet detecting sensor, is used for when described protected equipment water inlet; trigger described protected equipment according to described water inlet detection information and produce alarm, or, described protected device powers down triggered; or, control the rotation speed of the fan of described protected equipment.
The third aspect provides a kind of communication facilities, comprises the present invention's described water inlet protective device of protective device embodiment of intaking arbitrarily, and the water inlet detecting sensor in the described water inlet protective device is arranged on communication interface or the ventilating opening place of described communication facilities.
Fourth aspect, a kind of method of equipment water inlet protection is provided, described method comprises: testing circuit obtains into water and detects information, described testing circuit is the parts of water inlet detecting sensor, described water inlet detecting sensor comprises: two resistance stratum reticulares, electrical isolation water sucting plate and described testing circuits, described electrical isolation water sucting plate wherein, is laid with at least one conducting wire on each described resistance stratum reticulare between described resistance stratum reticulare; Described electrical isolation water sucting plate is used for suction and isolates described resistance stratum reticulare, when described electrical isolation water sucting plate suction, in suction place of described electrical insulating board two adjacent resistance stratum reticulares is communicated with; Described testing circuit and the isolation of described electrical isolation water sucting plate, described testing circuit is connected with the conducting wire of described resistance stratum reticulare, is used for gathering the electrical quantity changing value between each described resistance stratum reticulare, and determines water inlet detection information according to described electrical quantity changing value; When described protected equipment water inlet, the described water inlet detection information that processor obtains according to described testing circuit triggers described protected equipment and produces alarm, or, trigger described protected device powers down, or, the rotation speed of the fan of described protected equipment controlled.
In the possible implementation of the first of described fourth aspect, the electric line cloth of described resistance stratum reticulare is made as the parallel grid shape, and described testing circuit comprises Acquisition Circuit and counting circuit, wherein,
Described Acquisition Circuit is connected with the conducting wire of described resistance stratum reticulare, is used for gathering the electrical quantity changing value between each described resistance stratum reticulare;
Described counting circuit, be used for determining that according to the described electrical quantity changing value of described Acquisition Circuit collection described water inlet detects information, described electrical quantity changing value comprises: curent change value or voltage change, described water inlet detection information comprises: water inlet area information or water inlet positional information.
The possible implementation of the second of described first aspect also is provided in the possible implementation of the first of described fourth aspect, in the possible implementation of the second of described fourth aspect, described resistance stratum reticulare comprises: the first resistance stratum reticulare and the second resistance stratum reticulare, the first electrical input of the described conducting wire of described the first resistance stratum reticulare and the first electric output terminal are laid in the two ends of the electric line X-axis of described parallel grid shape, the second electrical input of described the second resistance stratum reticulare and the second electric output terminal are laid in the two ends of described latticed electric line Y-axis, described X-axis and described Y-axis are orthogonal, then determine that according to the described electrical quantity changing value of described Acquisition Circuit collection described water inlet detection information comprises:
Adopt following formula to calculate the floodable length Lx of described X-axis:
Lx=(Vcc1/Ix – K net * L1)/(K rain-K net)
Wherein, Vcc1 is the bias voltage value that is applied between described the first electrical input and the described first electric output terminal, Ix is the current value that the described first electric output terminal collects, the K net is the resistivity of described resistance stratum reticulare, K rain is default rainwater resistivity, and L1 is that described first electrical input of described the first resistance stratum reticulare and the described first electric output terminal are along the length of described X-axis;
Adopt following formula to calculate the floodable length Ly of described Y-axis:
Ly=(Vcc2/Iy – K net * L2)/(K rain-K net)
Wherein, Vcc2 is the bias voltage value that is applied between described the second electrical input and the described second electric output terminal, Iy is the current value that the described second electric output terminal collects, and L2 is that described second electrical input of described the second resistance stratum reticulare and the described second electric output terminal are along the length of described Y-axis;
Calculate acquisition described water inlet area: Lx * Ly according to the floodable length Lx of described X-axis and the floodable length Ly of described Y-axis;
Adopt following formula to calculate the X coordinate Lpx of the first water inlet position on described X-direction of described water inlet positional information:
Lpx=(Vx/Ix-0.5K rain * K net * Lx/ (K rain+K net))/K net
Wherein, take described parallel grid shape conducting wire the distal edge of described X-direction with in the point of crossing of the distal edge of Y direction as true origin, Vx is the magnitude of voltage that collects between described the second electrical input and the described first electric output terminal;
Adopt following formula to calculate the Y coordinate Lpy of the second water inlet position of described water inlet positional information on described Y direction:
Lpy=(Vy/Iy-0.5K rain * K net * Ly/ (K rain+K net))/K net
Wherein, Vy is the magnitude of voltage that collects between described the first electrical input and the described second electric output terminal;
According to the X coordinate Lpx of described the first water inlet position and the Y coordinate Lpy of described the second water inlet position, and the floodable length Ly of the floodable length Lx of described X-axis and Y-axis, calculate the positional information that obtains described suction place: described the first water inlet position and described second is intake the position as described suction place position coordinates, the position coordinates of described suction place is (Lpx, Lpy).
The water inlet detecting sensor of the embodiment of the invention, water inlet protective device, communication facilities and method, be communicated with in the conducting wire of suction place with two adjacent resistance stratum reticulares when absorbing water by being arranged on two electrical isolation water sucting plates between the resistance stratum reticulare, and by testing circuit gather between each described resistance stratum reticulare the electrical quantity changing value, and according to the definite water inlet of described electrical quantity changing value detection information, can obtain the detection information of intaking when being implemented in into water; And, by the isolation of described testing circuit and described electrical isolation water sucting plate, prevent testing circuit and damage because of water inlet, and suction place of electrical isolation water sucting plate and each resistance stratum reticulare can Reusabilities after carrying out drying processing, therefore, can detect water inlet by Reusability; And, because the size of electrical isolation water sucting plate and each resistance stratum reticulare can according to the scope customization of required water inlet protection, therefore, have very strong applicability and portability.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do one to the accompanying drawing of required use in embodiment or the description of the Prior Art and introduce simply, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a water inlet of the present invention detecting sensor embodiment;
Fig. 2 is the structural representation of another water inlet detecting sensor of the present invention embodiment;
Fig. 3 is the intake structural representation of protective device embodiment of the present invention;
Fig. 4 is the structural representation of communication facilities embodiment of the present invention;
Fig. 5 is the process flow diagram of a water inlet of the present invention guard method embodiment;
Fig. 6 is the process flow diagram of another water inlet guard method of the present invention embodiment;
The shape synoptic diagram of suction place when Fig. 7 is water inlet detecting sensor embodiment illustrated in fig. 2 water inlet;
Fig. 8 is the equivalent circuit diagram of the X-direction of resistance stratum reticulare among Fig. 7.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Referring to Fig. 1, the embodiment of the invention provides a kind of water inlet detecting sensor 100, as shown in Figure 1, the water inlet detecting sensor of present embodiment can comprise: at least two resistance stratum reticulares, electrical isolation water sucting plate and testing circuits, described electrical isolation water sucting plate is between described resistance stratum reticulare, wherein, be laid with at least one conducting wire on each described resistance stratum reticulare; Described electrical isolation water sucting plate is used for suction and isolates described resistance stratum reticulare, when described electrical isolation water sucting plate suction, suction place of described electrical isolation water sucting plate will be adjacent two resistance stratum reticulares connections; Described testing circuit and the isolation of described electrical isolation water sucting plate, described testing circuit is connected with the conducting wire of described resistance stratum reticulare, is used for gathering the electrical quantity changing value between each described resistance stratum reticulare, and determines water inlet detection information according to described electrical quantity changing value.
Concrete, describe as an example of two resistance stratum reticulares example in the present embodiment, as shown in Figure 1, comprise the first resistance stratum reticulare 110, the second resistance stratum reticulare 120, electrical isolation water sucting plate 130 and testing circuit 140, wherein, the first resistance stratum reticulare 110 can be identical with the second resistance stratum reticulare 120, but is arranged on the different positions; The first resistance stratum reticulare 110 and the second resistance stratum reticulare 120 are laid with at least one conducting wire; Electrical isolation water sucting plate 130 is used for suction and isolates the first resistance stratum reticulare 110 and the second resistance stratum reticulare 120, when 130 suction of electrical isolation water sucting plate, in suction place of electrical isolation water sucting plate the first resistance stratum reticulare 110 and the second resistance stratum reticulare 120 is communicated with; Testing circuit 140 and 130 isolation of electrical isolation water sucting plate, testing circuit 140 and the first resistance stratum reticulare 110 be connected the conducting wire of resistance stratum reticulare 120 and be connected, be used for to gather the electrical quantity changing value between 120 layers of the first resistance stratum reticulare 110 and the second resistance stratum reticulares, and determine water inlet detection information according to described electrical quantity changing value.
Alternatively, the course of work of described water inlet detecting sensor can for: between the first electrical input 111 of the first resistance stratum reticulare 110 and the first electric output terminal 112, apply certain voltage, when this water inlet detecting sensor is not intake, because electrical isolation water sucting plate 130 is separated the first resistance stratum reticulare 110 and the second resistance stratum reticulare 120 insulation ground, electric current on the first resistance stratum reticulare 110 is fixing numerical value, and the voltage between the second electric output terminal 122 of the first electrical input 111 of the first resistance stratum reticulare 110 and the second resistance stratum reticulare 120 is zero; When this water inlet detecting sensor water inlet, suction place 31 of electrical isolation water sucting plate 130 can be with the conducting wire electric connection of the first resistance stratum reticulare 110 and the second resistance stratum reticulare 120, at this moment, the electric current of the first resistance stratum reticulare 110 can change, and the voltage between the second electric output terminal 122 of the first electrical input 111 of the first resistance stratum reticulare 110 and the second resistance stratum reticulare 120 will be by the zero magnitude of voltage that becomes a non-zero.
Alternatively, the course of work of described water inlet detecting sensor can also for: between the second electrical input 121 of the second resistance stratum reticulare 120 and the second electric output terminal 122, apply certain voltage, when this water inlet detecting sensor is not intake, because electrical isolation water sucting plate 130 is separated the first resistance stratum reticulare 110 and the second resistance stratum reticulare 120 insulation ground, electric current on the second resistance stratum reticulare 120 is fixing numerical value, and the voltage between the first electric output terminal 112 of the second electrical input 121 of the second resistance stratum reticulare 120 and the first resistance stratum reticulare 110 is zero; When this water inlet detecting sensor water inlet, suction place 31 of electrical isolation water sucting plate 130 can be with the conducting wire electric connection of the first resistance stratum reticulare 110 and the second resistance stratum reticulare 120, at this moment, the electric current of the second resistance stratum reticulare 120 can change, and the voltage between the first electric output terminal 112 of the second electrical input 121 of the second resistance stratum reticulare 120 and the first resistance stratum reticulare 110 will be by the zero magnitude of voltage that becomes a non-zero.
Therefore, the changing value of the electrical parameter values that collects according to testing circuit 140 can judge whether the water inlet detecting sensor intakes; If the variable quantity of the electrical quantity that testing circuit 140 is collected carries out related with the amount of water inlet, then can also judge the order of severity of water inlet, for example the order of severity of water inlet can be divided into several ranks, when the variable quantity of electrical quantity surpasses a certain preset value, judge that the order of severity of water inlet reaches corresponding a certain rank.
During specific implementation, the quantity of testing circuit 140 can be one or more, and the position of its connection and mode can arrange according to concrete demand.For example, can adopt a testing circuit 140, be connected between first electrical input 111 and the first electric output terminal 112 of conducting wire of the first resistance stratum reticulare 110, for detection of on the first resistance stratum reticulare 110 from the electric current of the first electrical input 111 to first electric output terminals 112; Perhaps, this testing circuit 140 and the first resistance stratum reticulare 110 are connected in parallel between the second electric output terminal 122 of first electrical input 111 of conducting wire of the first resistance stratum reticulare 110 and the second resistance stratum reticulare 120, for detection of the voltage between the first electrical input 111 and the second electric output terminal 122.Can also adopt two testing circuits 140, detect simultaneously voltage between electric current between the first electrical input 111 and the first electric output terminal 112 and the first electrical input 111 and the second electric output terminal 122.Can also adopt more testing circuits 140, detect simultaneously the first electrical input 111 and the voltage between the electric current between the first electric output terminal 112, the first electrical input 111 and the second electric output terminal 122, the second electrical input 121 of the second resistance stratum reticulare 120 and the voltage between the electric current between the second electric output terminal 122 or the second electrical input 121 and the first electric output terminal 112 of the first resistance stratum reticulare 110.
Alternatively, damage because of water inlet in order to prevent testing circuit 140, testing circuit 140 can be arranged on the position outside the zone that may intake, and can adopt water-proof cable or other connected modes with testing circuit 140 and each electrical input be connected output terminal and be connected.Like this, separate setting with water inlet place of water inlet detecting sensor and for the testing circuit 140 that gathers water inlet detection information, and the water that enters is mainly collected by electrical isolation water sucting plate 130, after once water inlet occurs, electrical isolation water sucting plate 130 and the first resistance stratum reticulare 110 and the second resistance stratum reticulare 120 are carried out after air-dry, the mode such as dry, dry processes, can continue to use, so the water inlet detecting sensor of present embodiment can Reusability.
Present embodiment, be communicated with in the conducting wire of suction place with two resistance stratum reticulares when absorbing water by the electrical isolation water sucting plate that is arranged between each resistance stratum reticulare, and by testing circuit gather between each described resistance stratum reticulare the electrical quantity changing value, and determine that according to described electrical quantity changing value water inlet detects information realization and can obtain the detection information of intaking when the water inlet; And, by described testing circuit and the isolation of described electrical isolation water sucting plate, prevent testing circuit and damage because of water inlet, and suction place of electrical isolation water sucting plate and each resistance stratum reticulare carry out drying can Reusability after processing, thereby the water inlet detecting sensor of present embodiment can detect water inlet by Reusability; And the size of electrical isolation water sucting plate and each resistance stratum reticulare can customize according to the scope of required water inlet protection, thereby the water inlet detecting sensor of present embodiment has very strong applicability and portability.
Need to prove, the quantity of resistance stratum reticulare is 2 in above-described embodiment, this is intake a kind of preferred version of detecting sensor of the present invention, the quantity of resistance stratum reticulare also can be for greater than 2 any number, as long as in the time of namely can being implemented in suction, can be by water with the resistance stratum reticulare conducting more than 2 or 2, thus realize electric current and or the variation of voltage get final product.
Referring to Fig. 2, the embodiment of the invention also provides another kind of water inlet detecting sensor 200, and as shown in Figure 2, the conducting wire cloth of described resistance stratum reticulare is made as the parallel grid shape; Testing circuit 140 comprises Acquisition Circuit 141 and counting circuit 142, and wherein, Acquisition Circuit 141 is connected with the conducting wire of described resistance stratum reticulare, is used for gathering the electrical quantity changing value between each described resistance stratum reticulare; Counting circuit 142, be used for determining that according to the described electrical quantity changing value that Acquisition Circuit 141 gathers described water inlet detects information, described electrical quantity variation comprises: curent change value or voltage change, described water inlet detection information comprises: water inlet area information or water inlet positional information.
Wherein, the number of Acquisition Circuit 141 can arrange one or more according to the electrical input of required collection electrical quantity changing value and the position of electric output terminal, for the ease of calculating area information or the positional information of suction place, the grid cloth of the conducting wire of resistance stratum reticulare can be made as square or regular hexagon; Also can be made as rectangle or other regular shapes by cloth.
Further; for the protective resistance stratum reticulare; can also comprise two electrical isolation fenders 150; described two electrical isolation fenders 150 are separately positioned on the outside of all resistance stratum reticulares; be used for described resistance stratum reticulare and peripherals isolation perhaps are used for described resistance stratum reticulare and the isolation of other conducting mediums.Usually, two electrical isolation fenders 150 are just enough isolated all resistance stratum reticulares and peripherals, these two electrical isolation fenders 150 can be separately positioned on into the top of the resistance stratum reticulare of the water detecting sensor the superiors and the below of undermost resistance stratum reticulare.
Particularly, counting circuit 142 in the testing circuit 140 can be by resistivity, the resistivity of the second resistance stratum reticulare 120, the resistivity of rainwater and the form parameter of the first resistance stratum reticulare 110 and the second resistance stratum reticulare 120 of the first resistance stratum reticulare 110, two length of sides such as rectangle, or the circular parameters such as radius, according to the Analysis of Equivalent Circuit in when water inlet, derive and obtain area information or the positional information of suction place by applying the current value that collects behind the voltage or magnitude of voltage.And because the shape of resistance stratum reticulare and the voltage that applies can set in advance, therefore area information or the positional information of calculating suction place can adopt fixing algorithm to calculate, therefore can will should be built in the counting circuit 142 by fixing algorithm, like this, after the Acquisition Circuit 141 of testing circuit 140 collects magnitude of voltage or current value, counting circuit 142 can obtain area information or the positional information of suction place in time, and the area information that obtains like this or positional information also can be used as into water and detect information.
When specific implementation, if the magnitude of voltage that Acquisition Circuit 141 gathers or current value are simulating signal, then, a data modular converter can also be set between counting circuit 142 and Acquisition Circuit 141, after being used for the magnitude of voltage of simulation that Acquisition Circuit 141 is collected or magnitude of voltage or current value that current value is converted into numeral, pass to counting circuit 142 by data-interface again.
Present embodiment by the setting of Acquisition Circuit 141 and counting circuit 142, obtains area information or the positional information of suction place, thereby can judge more accurately the order of severity of water inlet; Setting by electrical isolation fender 150; realization is to the protection of each resistance stratum reticulare; other approach except water inlet of preventing will be adjacent two resistance stratum reticulares or with the conductive material conducting of resistance stratum reticulare and peripherals, the intake normal operation of detecting sensor of assurance.
Preferably, the quantity of described resistance stratum reticulare is two, wherein the first electrical input 111 of the described conducting wire of the first resistance stratum reticulare 110 and the first electric output terminal 112 are laid in the two ends of the electric line X-axis of described parallel grid shape, the second electrical input 121 of the described conducting wire of the second resistance stratum reticulare 120 and the second electric output terminal 122 are laid in the two ends of the electric line Y-axis of described parallel grid shape, and described X-axis and described Y-axis are orthogonal.
Preferably, the material of the first resistance stratum reticulare 110 and the conducting wire of the second resistance stratum reticulare 120 can be identical, be the material of resistivity in predefined rainwater electrical resistivity range, particularly, natural rainwater resistivity is generally between 1K Ω cm ~ 10K Ω cm, therefore, the material of the conducting wire of the first resistance stratum reticulare 110 and the second resistance stratum reticulare 120 can adopt oxide film or epoxy resin constant resistance rate to be in material within the scope of aforementioned rainwater resistivity.
Adopt the combination of above-mentioned preferred version, can make counting circuit 142 calculate area information or the positional information of suction place according to the electrical quantity that Acquisition Circuit 141 collects, so that further determine water inlet position and the inflow situation of protected equipment.
Referring to Fig. 3, the embodiment of the invention provides a kind of water inlet protective device, and as shown in Figure 3, the water inlet protective device 300 of present embodiment can comprise:
Water inlet detecting sensor 310, any water inlet detecting sensor that can adopt the invention described above embodiment to provide;
Alternatively, processor 320 can comprise: control module can also comprise at least one in alarm module, power-off modular and the fan speed-regulating module; Wherein, control module is used for producing at least one of alarm command, cut-offing instruction and fan speed-regulating instruction according to water inlet detection information based on preset rules, as described water inlet protection instruction; Alarm module is used for sending alarm according to described alarm command; Power-off modular is used for according to described cut-offing instruction power cutoff; The fan speed-regulating module is used for adjusting according to described fan speed-regulating instruction the rotating speed of fan.
Wherein, described control module can comprise: water inlet degree recognition unit is used for detecting acquisition of information water inlet area according to described water inlet, and compares according to described water inlet area and predetermined threshold value, with identification water inlet degree; The instruction generation unit is used for according to described water inlet degree, produces in alarm command, cut-offing instruction and the fan speed-regulating instruction at least one based on preset rules, as described water inlet protection instruction.
Alternatively, the mode such as alarm module can employing sound, light or facility management client software ejection information is sent alarm signal, and prompting user is in time processed; If the water inlet protective device of present embodiment is installed on certain communication facilities; then can also send warning message by the Element management system that this communication facilities connects; make the user carry out teleprocessing by Element management system; perhaps can start stand-by equipment, to guarantee the normal operation of communication network.
The fan speed-regulating module can transfer to the highest mode by the rotating speed with fan, and suction place is air-dry as early as possible, and this mode usually can be judged in the situation not serious into the water degree in control module and use.
Present embodiment, by when described protected equipment is intake, processor triggers described protected equipment according to described water inlet detection information and produces alarm, or, trigger described protected device powers down, or, control the rotation speed of the fan of described protected equipment, realize the protection to protected equipment; And, can Reusability and have very strong applicability and portable water inlet detecting sensor is obtained into water and detected information owing to adopted, therefore, the water inlet detecting device of present embodiment can Reusability and is had very strong applicability and a portability.
Referring to Fig. 4; the embodiment of the invention provides a kind of communication facilities; as shown in Figure 4; the communication facilities 400 of present embodiment; can comprise: the water inlet protective device 300 that any embodiment of the present invention provides; the water inlet detecting sensor 310 of water inlet in the protective device 300 is arranged on communication interface 410 or ventilating opening 420 places of communication facilities 400.
Particularly, communication interface 7 can comprise: optical fiber interface, ethernet line interface, E1 cable interface, external clock line interface or power interface; Ventilating opening 8 can comprise: thermovent.
Because the water in rainwater or other sources usually flows into interface and enters veneer inside along the equipment cable, cause circuit to damage, therefore, for this scene, electrical isolation water sucting plate and first resistance stratum reticulare and the second resistance stratum reticulare of water inlet in the detecting sensor 310 can be customized to suitable shape and be installed near the slit of communication interface 7.
Because the water in rainwater or other sources also can enter by ventilating opening the inside of communication facilities, cause the circuit of communication facilities to damage, therefore, for this scene, can with water inlet in the detecting sensor 310 the electrical isolation water sucting plate and the first resistance stratum reticulare and the second resistance stratum reticulare according to the shape of the ventilating opening 8 of this equipment with big or smallly be customized to suitable shape and be installed near the slit of ventilating opening 420.
Present embodiment, realize the water inlet of communication facilities is protected by adopting above-mentioned water inlet protective device, and be arranged on by the detecting sensor of will intaking near the communication interface or ventilating opening of easy generation water inlet of communication facilities, realize in time detecting the water inlet of communication facilities, thereby can advance the water protection to communication facilities to greatest extent; And, can Reusability and have very strong applicability and portable water inlet detecting sensor is obtained into water and detected information owing to adopted, therefore, the communication facilities of present embodiment can Reusability and is had very strong applicability and a portability.
Referring to Fig. 5, the embodiment of the invention provides a kind of water inlet guard method, and as shown in Figure 5, described method comprises following content.
510, testing circuit obtains into water and detects information.
Described testing circuit is the parts of water inlet detecting sensor, described water inlet detecting sensor comprises: two resistance stratum reticulares, electrical isolation water sucting plate and described testing circuits, described electrical isolation water sucting plate is between described resistance stratum reticulare, wherein, be laid with at least one conducting wire on each described resistance stratum reticulare; Described electrical isolation water sucting plate is used for suction and isolates described resistance stratum reticulare, when described electrical isolation water sucting plate suction, in suction place of described electrical insulating board two adjacent resistance stratum reticulares is communicated with; Described testing circuit and the isolation of described electrical isolation water sucting plate, described testing circuit is connected with the conducting wire of described resistance stratum reticulare, is used for gathering the electrical quantity changing value between each described resistance stratum reticulare, and determines water inlet detection information according to described electrical quantity changing value.The water inlet detecting sensor that provides embodiment illustrated in fig. 1 can be provided described water inlet detecting sensor.
Particularly, water inlet detection information can comprise the electrical quantity changing value between each resistance stratum reticulare, for example curent change value or voltage change, with reference to analysis embodiment illustrated in fig. 1, the electrical quantity changing value can reflect whether suction place of the detecting sensor of intaking absorbs water, and the size of current value or magnitude of voltage water absorbing capacity common and suction place is proportionate.
520, when described protected equipment water inlet, the described water inlet detection information that processor obtains according to described testing circuit triggers described protected equipment and produces alarm, or, trigger described protected device powers down, or, the rotation speed of the fan of described protected equipment controlled.
Particularly, can judge according to described water inlet detection information the order of severity of water inlet, for example the order of severity of water inlet can be divided into slight and serious, when the order of severity of judging water inlet when slight, correspondingly, produce the instruction of for example sending slight alarm prompt, or the revolution of fan is transferred to maximum instruction; When the order of severity of judging water inlet when serious, correspondingly, produce the instruction of for example sending the high severity alarm prompting and cutting off the electricity supply.
Present embodiment, testing circuit by the water inlet detecting sensor obtains into water detection information, and trigger described protected equipment according to described water inlet detection information and produce alarm, or, trigger described protected device powers down, or, control the rotation speed of the fan of described protected equipment, realize the water inlet protection to described protected equipment; And because the water inlet detecting sensor that adopts of present embodiment can Reusability and had very strong applicability and portability, so the method for present embodiment also can Reusability and have very strong applicability and portability.
Alternatively, the electric line cloth of described resistance stratum reticulare is made as the parallel grid shape, and described testing circuit comprises Acquisition Circuit and counting circuit, wherein,
Described Acquisition Circuit is connected with the conducting wire of described resistance stratum reticulare, is used for gathering the electrical quantity changing value between each described resistance stratum reticulare;
Described counting circuit, be used for determining that according to the described electrical quantity changing value of described Acquisition Circuit collection described water inlet detects information, described electrical quantity changing value comprises: curent change value or voltage change, described water inlet detection information comprises: water inlet area information or water inlet positional information.
Alternatively, referring to Fig. 6, the embodiment of the invention also provides a kind of water inlet guard method, and described method comprises following content.
610, Acquisition Circuit gathers the electrical quantity changing value.
Described Acquisition Circuit is the parts for the testing circuit in the water inlet detecting sensor, and the water inlet detecting sensor that provides embodiment illustrated in fig. 2 can be provided described water inlet detecting sensor; Described resistance stratum reticulare comprises: the first resistance stratum reticulare and the second resistance stratum reticulare, the first electrical input of the described conducting wire of described the first resistance stratum reticulare and the first electric output terminal are laid in the two ends of the electric line X-axis of described parallel grid shape, the second electrical input of described the second resistance stratum reticulare and the second electric output terminal are laid in the two ends of described latticed conducting wire Y-axis, and described X-axis and described Y-axis are orthogonal; Described electrical quantity variation comprises: the curent change value between the electrical input of each resistance stratum reticulare and the electric output terminal or voltage change curent change value or voltage change.
620, determine that according to the described electrical quantity changing value of described Acquisition Circuit collection described water inlet detects information, described water inlet detection information comprises: water inlet area information or water inlet positional information.
Particularly, determine that according to the described electrical quantity changing value of described Acquisition Circuit collection described water inlet detects information and can comprise:
Adopt following formula to calculate the floodable length Lx of described X-axis:
Lx=(Vcc1/Ix – K net * L1)/(K rain-K net)
Wherein, Vcc1 is applied to the first electrical input of described the first resistance stratum reticulare and the bias voltage value between the first electric output terminal, Ix is the current value that the described first electric output terminal collects, the K net is the resistivity of described resistance stratum reticulare, K rain is default rainwater resistivity, and L1 is that described first electrical input of described the first resistance stratum reticulare and the described first electric output terminal are along the length of described X-axis.During specific implementation, also can with the described first electric output head grounding, directly apply bias voltage value Vcc1 at described the first electrical input.
Adopt following formula to calculate the floodable length Ly of described Y-axis:
Ly=(the Vcc2/Iy-K net * L2)/(K rain-K net)
Wherein, Vcc2 is applied to described second electrical input of described the second resistance stratum reticulare and the bias voltage value between the described second electric output terminal, Iy is the current value that the described second electric output terminal collects, and L2 is that described second electrical input of described the second resistance stratum reticulare and the described second electric output terminal are along the length of Y-axis.
During specific implementation, also the described second electric output head grounding directly can be applied bias voltage value Vcc2 at described the second electrical input, and Vcc2 can equate with the numerical value of Vcc1.
Calculate according to the floodable length Ly of the floodable length Lx of described X-axis and Y-axis and to obtain described water inlet area, for example the shape approximation with suction place is rectangle, and the computing method of the area of then intaking can be Lx * Ly.
Positional information for suction place, can at first define a coordinate system, take described parallel grid shape conducting wire the distal edge of X-direction as with in the point of crossing of the distal edge of Y direction as true origin O, the X-axis of coordinate system and Y-axis adopt the direction of above-mentioned definition conducting wire used X-axis, Y-axis consistent.In the present embodiment, the position that adopting absorbs water is in the most close initial point O on the X-direction adopts suction to be in the position of the most close initial point O on the Y direction as the second water inlet position as the first water inlet position.
Adopt following formula to calculate the X coordinate Lpx of the first water inlet position:
Lpx=(Vx/Ix-0.5K rain * K net * Lx/ (K rain+K net))/K net
Wherein, Vx is the magnitude of voltage that collects between described the second electrical input and the described first electric output terminal.
Adopt following formula to calculate the Y coordinate Lpy of the second water inlet position:
Lpy=(Vy/Iy-0.5K rain * K net * Ly/ (K rain+K net))/K net
Wherein, Vy is the magnitude of voltage that collects between described the first electrical input and the described second electric output terminal.
According to the X coordinate Lpx of described the first water inlet position and the Y coordinate Lpy of described the second water inlet position, and the floodable length Ly of the floodable length Lx of described X-axis and Y-axis, can calculate the positional information of described suction place, detect information as described water inlet, concrete grammar is: described the first water inlet position and described the second water inlet position are approximately same coordinate points, and with the position of this coordinate points as suction place, then, the coordinate of the position of suction place is (Lpx, Lpy).
Need to prove that Lpx, the Lpy, Lx, the Ly that adopt above-mentioned four formula to obtain also can revise according to the result of reality test; Positional information and the area information of calculating suction place according to Lpx, Lpy, Lx, Ly might not be fully accurate theoretical calculating, and can be the reasonable estimations of rule of thumb analyzing, adopt experimental formula to carry out.
The derivation principle of four formula of the above-mentioned calculating Lpx of lower surface analysis, Lpy, Lx, Ly.
The shape synoptic diagram of suction place when Fig. 7 is water inlet detecting sensor embodiment illustrated in fig. 2 water inlet, as shown in Figure 7, resistance stratum reticulare among Fig. 7 is rectangle, the length of side of its X-direction is L1, if suction place be shaped as ellipse among Fig. 7, the floodable length Lx of suction place X-axis is the width of oval-shaped directions X among Fig. 7, and the first water inlet position indicates with P1 in Fig. 7.
Fig. 8 is the equivalent circuit diagram of the X-direction of resistance stratum reticulare among Fig. 7, analyze the resistance of resistance stratum reticulare, it is three parts that the conducting wire of the first electrical input 111 and the first electric output terminal 112 is punished according to suction, as shown in Figure 7, be respectively R1, R2 and R3, because the resistivity K net of resistance stratum reticulare is as can be known, therefore can be with R1, R2 and R3 multiply by each section resistance with resistivity K net and obtain in the length computation of X-direction, wherein R3 is the part in the suction place zone, R1 and R2 are the extra-regional two parts of suction place, if it is Rx that suction is in the equivalent resistance of X-direction, in theory, the size of Rx can equivalence be R3 and resistance sizes after the resistance of suction place rainwater is in parallel.And R3 can be expressed as:
R3=K net * Lx (1)
R rain can be expressed as:
R rain=K rain * Lx (2)
Again as can be seen from Figure 7:
R1+R2+R3=R=K net * L1 (3)
Can be derived as magnitude of voltage Vx between the second electrical input and the second electric output terminal and the current value I x of the first electric output terminal from equivalent electrical circuit:
Vx=Vcc1×(0.5×Rx+R2)/(R1+R2+Rx) （4）
Ix=Vcc1/(R1+R2+Rx) （5）
Comprehensive above-mentioned formula (1) ~ (5) namely can calculate the floodable length Lx of X-axis and the X coordinate Lpx of the first water inlet position.
Use the same method and analyze the equivalent electrical circuit of Y direction, can obtain the floodable length Ly of Y-axis and the Y coordinate Lpy of the second water inlet position.
630, when described protected equipment water inlet, the described water inlet detection information that processor obtains according to described testing circuit triggers described protected equipment and produces alarm, or, trigger described protected device powers down, or, the rotation speed of the fan of described protected equipment controlled.
Particularly, described water inlet area and the predetermined threshold value in the described water inlet detection information can be compared, with identification water inlet degree.
During specific implementation, a plurality of threshold values can be set, the water inlet degree be divided into a plurality of ranks, two threshold values for example are set, be respectively slight intake gate limit value and serious intake gate limit value.
Again according to described water inlet degree, trigger described protected equipment and produce alarm, or, trigger described protected device powers down, or, the rotation speed of the fan of described protected equipment controlled.
Wherein, trigger described protected equipment and produce alarm, can employing sound, the modes such as light or facility management client software ejection information send alarm signal, prompting user is in time processed.
Trigger described protected device powers down; can when surpassing serious intake gate limit value, the water inlet degree directly trigger protected device powers down; perhaps; can be when the water inlet degree surpasses slight intake gate limit value; can eject by facility management client software the mode of information, whether the prompting client power cutoff.
Controlling the rotation speed of the fan of described protected equipment, can be the scene of slight water inlet for the water inlet degree, the rotating speed of fan can be transferred to the highest, with air-dry suction place.
Present embodiment, by the described electrical quantity changing value of testing circuit according to described Acquisition Circuit collection, calculate the area information of suction place and positional information as water inlet detection information according to default algorithm, realize further accurately identifying the water inlet degree, and trigger protected equipment according to described water inlet degree and produce alarm or trigger described protected device powers down or control the rotation speed of the fan of described protected equipment, realize the water inlet protection to protected equipment; And because the water inlet detecting sensor that adopts of present embodiment can Reusability and had very strong applicability and portability, so the method for present embodiment also can Reusability and have very strong applicability and portability.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of programmed instruction, aforementioned program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium can be at least a in the following medium: the various media that can be program code stored such as ROM (read-only memory) (Read-Only Memory is referred to as ROM), RAM, magnetic disc or CD.
It should be noted that at last: above embodiment only in order to exemplary illustration technical scheme of the present invention, is not intended to limit; Although with reference to previous embodiment the beneficial effect that the present invention and the present invention bring is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of claim of the present invention.
Claims (10)
- One kind the water inlet detecting sensor, it is characterized in that described water inlet detecting sensor comprises at least two resistance stratum reticulares, electrical isolation water sucting plate and testing circuit, described electrical isolation water sucting plate between described resistance stratum reticulare, wherein,Be laid with at least one conducting wire on each described resistance stratum reticulare;Described electrical isolation water sucting plate is used for suction and isolates described resistance stratum reticulare, when described electrical isolation water sucting plate suction, suction place of described electrical isolation water sucting plate will be adjacent two resistance stratum reticulares connections;Described testing circuit and the isolation of described electrical isolation water sucting plate, described testing circuit is connected with the conducting wire of described resistance stratum reticulare, is used for gathering the electrical quantity changing value between each described resistance stratum reticulare, and determines water inlet detection information according to described electrical quantity changing value.
- 2. water inlet detecting sensor according to claim 1 is characterized in that,The electric line cloth of described resistance stratum reticulare is made as the parallel grid shape;Described testing circuit comprises Acquisition Circuit and counting circuit, wherein,Described Acquisition Circuit is connected with the conducting wire of described resistance stratum reticulare, is used for gathering the electrical quantity changing value between each described resistance stratum reticulare;Described counting circuit, be used for determining that according to the described electrical quantity changing value of described Acquisition Circuit collection described water inlet detects information, described electrical quantity changing value comprises: curent change value or voltage change, described water inlet detection information comprises: water inlet area information or water inlet positional information.
- 3. water inlet detecting sensor according to claim 1 and 2 is characterized in that,The quantity of described resistance stratum reticulare is two, the electrical input of the described conducting wire of one of them described resistance stratum reticulare and electric output terminal are laid in the two ends of the electric line X-axis of described parallel grid shape, the electrical input of the described conducting wire of another described resistance stratum reticulare and electric output terminal are laid in the two ends of the electric line Y-axis of described parallel grid shape, and described X-axis and described Y-axis are orthogonal.
- 4. the described water inlet detecting sensor of arbitrary claim is characterized in that according to claim 1-3, also comprises:Two electrical isolation fenders, described two electrical isolation fenders are separately positioned on the outside of all resistance stratum reticulares, are used for described resistance stratum reticulare and peripherals isolation.
- 5. the described water inlet detecting sensor of arbitrary claim is characterized in that according to claim 1-4, and the electric line material of described resistance stratum reticulare is the material of resistivity in predefined rainwater electrical resistivity range.
- 6. a water inlet protective device is characterized in that, described water inlet protective device is used for the water inlet protection of protected equipment, and described water inlet protective device comprises: water inlet detecting sensor and processor, wherein,Described water inlet detecting sensor adopts the described water inlet detecting sensor of the arbitrary claim of claim 1-5;Described processor links to each other with described water inlet detecting sensor, is used for when described protected equipment water inlet, triggering described protected equipment according to described water inlet detection information and producing alarm, or,Trigger described protected device powers down, or,Control the rotation speed of the fan of described protected equipment.
- 7. a communication facilities is characterized in that, described communication facilities comprises water inlet protective device claimed in claim 6, and the water inlet detecting sensor in the described water inlet protective device is arranged on communication interface or the ventilating opening place of described communication facilities.
- 8. the method for equipment water inlet protection is characterized in that described method comprises:Testing circuit obtains into water and detects information, described testing circuit is the parts of water inlet detecting sensor, described water inlet detecting sensor comprises: two resistance stratum reticulares, electrical isolation water sucting plate and described testing circuits, described electrical isolation water sucting plate is between described resistance stratum reticulare, wherein, be laid with at least one conducting wire on each described resistance stratum reticulare; Described electrical isolation water sucting plate is used for suction and isolates described resistance stratum reticulare, when described electrical isolation water sucting plate suction, in suction place of described electrical insulating board two adjacent resistance stratum reticulares is communicated with; Described testing circuit and the isolation of described electrical isolation water sucting plate, described testing circuit is connected with the conducting wire of described resistance stratum reticulare, is used for gathering the electrical quantity changing value between each described resistance stratum reticulare, and determines water inlet detection information according to described electrical quantity changing value;When described equipment water inlet, the described water inlet detection information that processor obtains according to described testing circuit triggers described protected equipment and produces alarm, or,Trigger described protected device powers down, or,Control the rotation speed of the fan of described protected equipment.
- 9. method according to claim 8 is characterized in that, the electric line cloth of described resistance stratum reticulare is made as the parallel grid shape, and described testing circuit comprises Acquisition Circuit and counting circuit, wherein,Described Acquisition Circuit is connected with the conducting wire of described resistance stratum reticulare, is used for gathering the electrical quantity changing value between each described resistance stratum reticulare;Described counting circuit, be used for determining that according to the described electrical quantity changing value of described Acquisition Circuit collection described water inlet detects information, described electrical quantity changing value comprises: curent change value or voltage change, described water inlet detection information comprises: water inlet area information or water inlet positional information.
- 10. according to claim 8 or 9 described methods, it is characterized in that, described resistance stratum reticulare comprises: the first resistance stratum reticulare and the second resistance stratum reticulare, the first electrical input of the described conducting wire of described the first resistance stratum reticulare and the first electric output terminal are laid in the two ends of the electric line X-axis of described parallel grid shape, the second electrical input of described the second resistance stratum reticulare and the second electric output terminal are laid in the two ends of described latticed electric line Y-axis, described X-axis and described Y-axis are orthogonal, then determine that according to the described electrical quantity changing value of described Acquisition Circuit collection described water inlet detection information comprises:Adopt following formula to calculate the floodable length Lx of described X-axis:Lx=(Vcc1/Ix – K net * L1)/(K rain-K net)Wherein, Vcc1 is the bias voltage value that is applied between described the first electrical input and the described first electric output terminal, Ix is the current value that the described first electric output terminal collects, the K net is the resistivity of described resistance stratum reticulare, K rain is default rainwater resistivity, and L1 is that described first electrical input of described the first resistance stratum reticulare and the described first electric output terminal are along the length of described X-axis;Adopt following formula to calculate the floodable length Ly of described Y-axis:Ly=(Vcc2/Iy – K net * L2)/(K rain-K net)Wherein, Vcc2 is the bias voltage value that is applied between described the second electrical input and the described second electric output terminal, Iy is the current value that the described second electric output terminal collects, and L2 is that described second electrical input of described the second resistance stratum reticulare and the described second electric output terminal are along the length of described Y-axis;Calculate acquisition described water inlet area: Lx * Ly according to the floodable length Lx of described X-axis and the floodable length Ly of described Y-axis;Adopt following formula to calculate the X coordinate Lpx of the first water inlet position on described X-direction of described water inlet positional information:Lpx=(Vx/Ix-0.5K rain * K net * Lx/ (K rain+K net))/K netWherein, take described parallel grid shape conducting wire the distal edge of described X-direction with in the point of crossing of the distal edge of Y direction as true origin, Vx is the magnitude of voltage that collects between described the second electrical input and the described first electric output terminal;Adopt following formula to calculate the Y coordinate Lpy of the second water inlet position of described water inlet positional information on described Y direction:Lpy=(Vy/Iy-0.5K rain * K net * Ly/ (K rain+K net))/K netWherein, Vy is the magnitude of voltage that collects between described the first electrical input and the described second electric output terminal;According to the X coordinate Lpx of described the first water inlet position and the Y coordinate Lpy of described the second water inlet position, and the floodable length Ly of the floodable length Lx of described X-axis and Y-axis, calculate to obtain the positional information of described suction place: the coordinate of position as described suction place position of will described the first water inlet position and described second intaking, the position coordinates of described suction place is (Lpx, Lpy).
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| CN110920887A (en) * | 2019-11-28 | 2020-03-27 | 航天时代飞鸿技术有限公司 | Autonomous water-landing detection and safety protection system and method for small unmanned aerial vehicle |
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| CN110920887B (en) * | 2019-11-28 | 2021-07-13 | 航天时代飞鸿技术有限公司 | Autonomous water-landing detection and safety protection system and method for small unmanned aerial vehicle |
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