Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of leakage detection plates, for solvingCertainly in the prior art leakage monitoring system detection leakage inconvenience problem.
In order to achieve the above objects and other related objects, the present invention provides a kind of leakage detection plate, is installed in section to be detectedIn point, the leakage detection plate includes: an at least detection components, and it is to be detected to be installed at least one of described node to be detectedOn body, a detection components status signal is exported；One signal-processing board is connected with the detection components, according to the detection componentsThe detection components status signal of output determines whether the body to be detected occurs leakage.
In one embodiment of the invention, the detection components include: a terminating resistor；One line of induction, including the first senseAnswer line and second line of induction, the first end of the first end of first line of induction and second line of induction respectively with the terminationThe both ends of resistance are connected；The second end of first line of induction and the second end of second line of induction formed for the letterThe connected connecting pin of number processing board；Wherein: the detection components status signal is that the connecting pin incudes the terminating resistor resistanceIt is worth the impedance signal generated.
In one embodiment of the invention, the line of induction further include: a clad, be coated on first line of induction andOutside second line of induction and expose the connecting pin.
In one embodiment of the invention, the signal-processing board includes: a printed circuit board；At least one connecting pinMouthful, it is installed in the side of the printed circuit board, for being connected with the detection components；One signal conversion circuit is installed in instituteIt states on printed circuit board, is connected respectively with each connectivity port, for that will be converted from the received impedance signal of the line of inductionFor voltage signal；One first comparator is installed on the printed circuit board, is connected with the signal conversion circuit, for pairThe voltage signal and leakage reference voltage are compared whether the first comparison signal of output is occurred with the determination body to be detectedLeakage.
In one embodiment of the invention, the leakage detection plate further include: the first indicator elment is installed in the printingOn circuit board, it is connected with the first comparator, for carrying out police instruction when whether the body to be detected occurs leakage.
In one embodiment of the invention, the signal-processing board includes: one second comparator, is installed in the printing electricityOn the plate of road, it is connected with the signal conversion circuit, for the voltage signal to be compared with line of induction state reference voltageIt exports the second comparison signal and short circuit or open circuit whether occurs with the determination detection components.
In one embodiment of the invention, the leakage detection plate further include: the second indicator elment is installed in the printingOn circuit board, it is connected with second comparator, for alarming when whether the detection components occur open circuit or open circuitInstruction.
In one embodiment of the invention, the signal conversion circuit includes: the first divider resistance, with the connectivity portIt is connected, voltage signal will be converted to from the received impedance signal of the detection components；Second divider resistance, one end and described firstDivider resistance is connected, and the other end is connected with the first comparator, and the voltage division signal is output to the first comparator；TheThree divider resistances, one end are connected with first divider resistance, and the other end is connected with second comparator, and the partial pressure is believedNumber it is output to second comparator.
In one embodiment of the invention, the signal-processing board is connected with a mainboard, and by treated, signal is output toThe mainboard.
The present invention also provides a kind of leakages to monitor system, and the leakage monitoring system includes leakage detection as described abovePlate.
As described above, a kind of leakage detection plate of the invention, has the advantages that
The present invention is mounted in node to be detected (BOX node) using leakage detection plate, be can access two-way and is perceived line, can be sameWhen monitoring intra-node and rack (rack) on water pipe whether have a leakage, and perceive line selection slotting connection type fastly, it is convenientBy the perception line access on rack (rack).
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specificationOther advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realitiesThe mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing fromVarious modifications or alterations are carried out under spirit of the invention.
It please refers to Fig.1 to Fig.4.It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only toCooperate the revealed content of specification, so that those skilled in the art understands and reads, being not intended to limit the invention can be realThe qualifications applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or sizeIt is whole, in the case where not influencing the effect of present invention can be generated and the purpose that can reach, it should all still fall in disclosed skillArt content obtains in the range of capable of covering.Meanwhile in this specification it is cited as "upper", "lower", "left", "right", " centre " andThe term of " one " etc. is merely convenient to being illustrated for narration, rather than to limit the scope of the invention, relativenessIt is altered or modified, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the present invention.
The embodiment of the present invention is designed to provide a kind of leakage detection plate, for solving the monitoring of leakage in the prior art systemThe problem of system detection leakage inconvenience.
A kind of principle and embodiment of leakage detection plate of the present embodiment described in detail below, makes those skilled in the artMember does not need a kind of leakage detection plate that creative work is appreciated that the present embodiment.
As shown in Figure 1, the present embodiment provides the present invention to provide a kind of leakage detection plate 100, it is installed in node to be detected,The leakage detection plate 100 includes: an at least detection components 110 and a signal-processing board 120.
The leakage detection plate of the present embodiment 100 is described in detail below.
In this present embodiment, the leakage detection plate 100 includes an at least detection components 110, and the detection components 110 fillOn at least one of the node to be detected body to be detected, a detection components status signal is exported.
Specifically, as shown in Fig. 2, in this present embodiment, the detection components 110 include: a terminating resistor 111 and a senseAnswer line 112.
As shown in Fig. 2, the line of induction 112 includes first line of induction 1121 and second line of induction 1122, first senseThe first end of the first end and second line of induction 1122 of answering line 1121 is connected with the both ends of the terminating resistor 111 respectively；The second end of first line of induction 1121 and the second end of second line of induction 1122 formed for the signal processingThe connected connecting pin of plate 120.
So the embodiment of the present invention leakage detection plate 100 can access two-way perception line, it can be simultaneously inside detection nodeWith the water pipe situation on rack.
Wherein: the detection components status signal is the resistance that the connecting pin incudes that 111 resistance value of terminating resistor generatesAntinoise signal.
First line of induction 1121, second line of induction 1122 and the terminating resistor 111 constitute one together and returnThe second end of road, the second end of first line of induction 1121 and second line of induction 1122 perceives the terminating resistor 111Change in resistance, that is to say, that the impedance value experienced of two connectors in perception line one end is termination resistance value, for example, describedThe resistance value of terminating resistor 111 is 1M ohm.When there is coolant liquid to drip on perception line, the impedance of the terminating resistor 111 can be sent outChanging.Through testing, coolant liquid impedance lists the corresponding impedance of all situations such as following table on perception line probably in 1M or so with thisShown in 1:
Table 1
| Impedance (Europe M) |
| Normally | 1 |
| Short circuit | 0 |
| Open circuit | It is infinite |
| Leakage | 0.5 (0~1) |
In this present embodiment, the line of induction 112 a further include: clad, the clad are coated on first senseIt answers line 1121 and second line of induction, 1122 outside and exposes the connecting pin.
So the detection components 110 are mounted on intra-node to be detected, power supply is convenient, for example, power supply uses 12V_STBY, directly from mainboard 200 is derived from, output signal and power supply power supply directly adopt conventional connector (connector) and lineCable (cable) connection, is sent directly into mainboard BMC (baseboard management controller) for output signal, so that RMC and BMC are obtained in timeInformation, perception line selection slotting connection type fastly facilitate the perception line access on rack (rack).
In this present embodiment, the signal-processing board 120 is connected with the detection components 110, according to the detection componentsThe detection components status signal of 110 outputs determines whether the body to be detected occurs leakage.
Specifically, in this present embodiment, as shown in figure 3, the signal-processing board 120 includes: a printed circuit board 121,At least one connectivity port 122, a signal conversion circuit 123 and a first comparator 124.
As shown in figure 3, the signal-processing board 120 includes at least one connectivity port 122, the connectivity port 122 is filledSet on the side of the printed circuit board 121, for being connected with the detection components 110；The signal conversion circuit 123 is installedIn on the printed circuit board 121, it is connected respectively with each connectivity port 122, being used for will be received from the line of induction 112Impedance signal is converted to voltage signal.
In this present embodiment, the first comparator 124 is installed on the printed circuit board 121, is turned with the signalIt changes circuit 123 to be connected, for being compared the first comparison signal of output to the voltage signal and leakage reference voltage with determinationWhether the body to be detected occurs leakage.
In this present embodiment, as shown in figure 3, the leakage detection plate 100 further include: the first indicator elment 125 is installed inOn the printed circuit board 121, it is connected with the first comparator 124, for when whether the body to be detected occurs leakage,Carry out police instruction.
First indicator elment 125 is preferably indicator light.
In addition, in this present embodiment, as shown in figure 3, the signal-processing board 120 includes: one second comparator 126, dressOn the printed circuit board 121, it is connected with the signal conversion circuit 123, is used for the voltage signal and the line of induction112 state reference voltages be compared output the second comparison signal with the determination detection components 110 whether occur short circuit or it is disconnectedRoad.
In this present embodiment, as shown in figure 3, the leakage detection plate 100 further include: the second indicator elment 127 is installed inOn the printed circuit board 121, be connected with second comparator 126, for the detection components 110 be occur open circuit orWhen breaking, police instruction is carried out.
Second indicator elment 127 is preferably indicator light.
So the included perception line open circuit detection of the leakage detection plate 100 of the present embodiment, loosen when perception line junction orThere is disconnection phenomenon in centre, and leakage detection plate 100 can carry out police instruction by indicator light, such as the indicator light becomes red,And inform that perception line is abnormal.
In this present embodiment, as shown in figure 4, the signal conversion circuit 123 includes: the first divider resistance 1231, secondDivider resistance 1232 and third divider resistance 1233.
First divider resistance 1231 is connected with the connectivity port 122, will be from the received resistance of the detection components 110Antinoise signal is converted to voltage signal；Described second divider resistance, 1232 one end is connected with first divider resistance 1231, anotherEnd is connected with the first comparator 124, and the voltage division signal is output to the first comparator 124；The third partial pressure1233 one end of resistance is connected with first divider resistance 1231, and the other end is connected with second comparator 126, will be described pointPressure signal is output to second comparator 126.
In this present embodiment, the signal-processing board 120 is also connected with a mainboard 200, and by treated, signal is output toThe mainboard 200.
So impedance signal is converted to voltage signal using electric resistance partial pressure by the leakage detection plate 100 of the present embodiment, thenVoltage signal is sent to respectively in two comparators (first comparator 124 and second comparator 126).One of themComparator can be used for extracting perception line exception information, such as short circuit and open circuit；Another comparator is used to extract leakage information,These signals are uniformly finally sent to BMC, BMC will monitor leakage information in real time.
In addition, in order to protrude innovative part of the invention, it will not be proposed by the invention with solution in the present embodimentThe less close technical characteristic of technical problem relationship introduces, but this does not indicate that there is no other structures and function in the present embodimentIt can feature.
It should be noted that the basic conception that only the invention is illustrated in a schematic way is illustrated provided in the present embodiment,Then only shown in schema with it is of the invention in related component rather than component count, shape and size when according to actual implementation drawSystem, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its assembly layout kenel can alsoIt can be increasingly complex.
The present invention also provides a kind of leakages to monitor system, and the leakage monitoring system includes leakage detection plate as described above100, above-mentioned that the leakage detection plate 100 is described in detail, details are not described herein.
In conclusion the present invention is mounted in node to be detected (BOX node) using leakage detection plate, it can access two road feelsKnow line, can monitor whether the water pipe on intra-node and rack (rack) has leakage simultaneously, and perceives line selection and insert connection with fastMode facilitates the perception line access on rack (rack).So the present invention effectively overcomes various shortcoming in the prior artAnd has high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripeThe personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.CauseThis, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such asAt all equivalent modifications or change, should be covered by the claims of the present invention.