CN205245337U - Underfloor heating system lack of water protection system - Google Patents

Underfloor heating system lack of water protection system Download PDF

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Publication number
CN205245337U
CN205245337U CN201520877885.3U CN201520877885U CN205245337U CN 205245337 U CN205245337 U CN 205245337U CN 201520877885 U CN201520877885 U CN 201520877885U CN 205245337 U CN205245337 U CN 205245337U
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China
Prior art keywords
heating system
water pump
temperature
water
ground heating
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CN201520877885.3U
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Chinese (zh)
Inventor
陈童静
李海孟
叶其仁
陈舒杰
林郑麟
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Zhejiang Menred Comfort Systems Co.,Ltd.
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MENRED GROUP Co Ltd
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Abstract

The utility model provides an underfloor heating system lack of water protection system, including a temperature sensor, set up near water pump among the underfloor heating system for obtain near the temperature in water pump among the underfloor heating system, the 2nd temperature sensor for acquire the ambient temperature that underfloor heating system located, the treater is used for near the temperature in water pump is less than firstly predetermines the threshold value just near the temperature in water pump with first difference between the ambient temperature is more than or equal to the second when presetting the threshold value, output the first signal, the controller, with the treater is connected, is used for receiving the the first signal of treater output makes the first time of predetermineeing of water pump time -out, need install the mechanical pressure switch of diaphragm formula in underfloor heating system's water route, overcome that diaphragm formula mechanical pressure switch is difficult to be installed, cause the defect that the underfloor heating system water route leaked easily, temperature sensor's operating condition is more stable simultaneously, the temperature detected value condition of deviation by a wide margin can not appear, and life is also longer.

Description

A kind of ground heating system lack of water guard system
Technical field
The utility model relates to ground heating system field, is specifically related to a kind of ground heating system lack of water protection beSystem.
Background technology
Ground heating system is a kind of emerging domestic heating air-conditioning system, and the ground heating system of general family expenses comprisesBe positioned at outdoor switch and be communicated with switch and be arranged on indoor water-heating system, water-heating system bagDraw together water-circulating pump and the water pipe that stores water, switch transfers heat to water, the hot-water heating system in roomSystem is gone out the heat radiation of water again, thereby plays thermoregulator effect, and ground heating system is than oneAs air-conditioning, directly do not brush hot blast, comfort level is better; Specific heat of water appearance is larger simultaneously, roomInterior temperature fluctuation is little, and the maintenance effect of temperature is better. Be subjected in recent years more and moreUse.
In water-heating system in working order under, water-circulating pump is also always in running order, i.e. normal openElectricity condition, when in water-heating system when lack of water, the water-circulating pump heat producing of switching on can not transmit feedwater,Therefore can cause the temperature of water-circulating pump sharply to raise, more than reaching as high as 200 degree. Excess TemperatureIn situation, easily cause water-circulating pump damage, power source trip, even cause the safety such as other electrical leakagesHidden danger. So whether need to detect in water-heating system pipeline lack of water, and in water-heating system in lack of water situationUnder, the power supply that cuts off water-circulating pump is just necessary very much. In current ground heating system, general employingThe mechanical pressure switches that diaphragm type is installed in water route detects whether lack of water of ground heating system, works as pressure switchDetect in water route and will trigger water-circulating pump power-off after lack of water. But use this diaphragm type machinery to pressThere is following defect in the ground heating system of power switch:
1,, because the service life of diaphragm is shorter, long-term use easily damages or causes testing result mistake,Therefore user's pressure switch of having to frequently change; 2, the volume of diaphragm type mechanical pressure switches is larger,And installation difficulty is higher, causes diaphragm type pressure switch to be not easy to be installed in water route, and effect is being installedWhen fruit is bad, can cause water route to leak, make troubles to user.
Utility model content
Therefore, the technical problems to be solved in the utility model is that ground heating system of the prior art usesService life that diaphragm type mechanical pressure switches causes is short, testing result is inaccurate and difficult installation.
For addressing the above problem, the utility model embodiment provides a kind of ground heating system lack of water guard system,Comprise:
The first temperature sensor, is arranged in described ground heating system near water pump, for obtaining floor heating systemNear temperature in system water pump;
The second temperature sensor, for obtaining the residing environment temperature of ground heating system;
Processor, is less than the first predetermined threshold value and described water pump is attached near the temperature described water pumpWhen the first difference between near temperature and described environment temperature is more than or equal to the second predetermined threshold value, defeatedGo out first signal;
Controller, is connected with described processor, for receiving the first letter of described processor outputNumber time make described water pump suspend the first Preset Time.
In above-mentioned ground heating system lack of water guard system,
Described controller is also for making described in described water pump restarts after suspending the first Preset TimeWater pump;
Described processor is also in the second Preset Time after described water pump restarts, secondWhen described the second difference is greater than number of times that the 3rd predetermined threshold value occurs and is greater than preset times in Preset Time,Output secondary signal;
Described controller also for stopping water pump fortune in the time receiving the secondary signal of described processor outputOK.
In above-mentioned ground heating system lack of water guard system, described processor is also near described water pumpTemperature is greater than 90 while spending, output secondary signal;
Described controller stops water pump operation in the time receiving the secondary signal of described processor output.
In above-mentioned ground heating system lack of water guard system, described the second temperature sensor is by means of flange sectionSealing extend in water route.
The technical scheme of the utility model embodiment, tool has the following advantages:
1. the system providing according to the utility model embodiment, only needs to compare in ground heating system water pump attachedDifference between the residing environment temperature of near temperature and ground heating system can judge whether ground heating system lacksWater, and the mechanical pressure switches that diaphragm type need to be installed in the water route at ground heating system, thereby gramTake diaphragm type mechanical pressure switches and be difficult for installing, the defect that easily causes ground heating system water route to leak;The duty of simultaneous temperature sensor is more stable, there will not be the significantly feelings of deviation of temperature detection valueCondition, service life is also longer.
2. in the guard system of the present embodiment, for measuring second of the residing environment temperature of ground heating systemTemperature sensor does not need whole water that is installed to ground heating system as the mechanical pressure switches of diaphragm typeLu Zhong. In general, ground heating system all provides the second TEMP that detects its environment temperature of living inDevice, processor records numerical value by the first temperature sensor and the second temperature sensor and calculates;Preferably, described the second temperature sensor can extend in water route by means of flange section sealingThe residing environment temperature of ground heating system is measured, and its volume is than diaphragm type mechanical pressure switchesAlso greatly reduce the simultaneously high and stable and reliable operation of low, the long service life of cost, accuracyBe not easy to break down.
Brief description of the drawings
In order to be illustrated more clearly in the utility model detailed description of the invention or technical side of the prior artCase, does the accompanying drawing to required use in detailed description of the invention or description of the Prior Art simply belowIntroduce, apparently, the accompanying drawing in the following describes is embodiments more of the present utility model, rightIn those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also basisThese accompanying drawings obtain other accompanying drawing.
Fig. 1 is a concrete example of ground heating system lack of water means of defence in the utility model embodiment 1Flow chart;
Fig. 2 is that in the utility model embodiment 1, another of ground heating system lack of water means of defence specifically showsExample flow chart;
Fig. 3 is a concrete example of ground heating system lack of water protector in the utility model embodiment 2Structural representation;
Fig. 4 is that in the utility model embodiment 2, another of ground heating system lack of water protector specifically showsThe structural representation of example;
Fig. 5 is a concrete example of ground heating system lack of water guard system in the utility model embodiment 3Structural representation;
Fig. 6 is the structural representation of ground heating system lack of water guard system in the utility model embodiment 3.
Description of reference numerals
1-the first temperature acquiring unit; 2-the first judging unit; 3-the first difference computational unit; 4-is temporaryStop unit; 5-is restarted unit; 6-the second temperature acquiring unit; 7-the second difference computational unit; 8-stopsStop element; 11-first sensor; 12-the second sensor; 13-processor; 14-controller.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, aobviousSo, described embodiment is the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative workThe every other embodiment obtaining under prerequisite, belongs to the scope that the utility model is protected.
In description of the present utility model, it should be noted that, term " " center ", " on ", D score,Orientation or the position relationship of the instructions such as " left side ", " right side ", " vertically ", " level ", " interior ", " outward " areBased on orientation shown in the drawings or position relationship, be only that the utility model and simplification are for convenience of description retouchedState, instead of instruction or the hint device of indication or element must have specific orientation, with specificallyOrientation structure and operation, therefore can not be interpreted as restriction of the present utility model. In addition term ",One ", " second ", " the 3rd " be only for describing object, and can not be interpreted as instruction or hint phase counterweightThe property wanted.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited,Term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with,Also can be to removably connect, or connect integratedly; Can be mechanical connection, can be also electrical connection;Can be to be directly connected, also can indirectly be connected by intermediary, can also be two element internalsConnection, can be wireless connections, can be also wired connection. For the ordinary skill people of this areaMember, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
In addition related technical characterictic in the different embodiments of described the utility model,The conflict of will not forming each other just can mutually combine.
Embodiment 1
The present embodiment provides a kind of ground heating system lack of water means of defence, with reference to the flow chart shown in figure 1,It comprises the following steps:
S11: obtain temperature and the residing environment temperature of ground heating system near water pump in ground heating system, itsThe residing environment temperature of middle ground heating system specifically refers to the temperature in water route;
S12: judge whether near temperature water pump is more than or equal to the first predetermined threshold value, if be greater than or etc.In the first predetermined threshold value, carry out and stop water pump operation; Enter step if be less than the first predetermined threshold valueS13;
S13: judge whether the first difference between near temperature and environment temperature water pump is greater than or etc.In the second predetermined threshold value, if perform step S14, otherwise turn back to step S11;
S14: make water pump suspend the first Preset Time;
In the present embodiment, preferably the first predetermined threshold value is 80-100 DEG C, be more preferably 80,90 DEG C or100 DEG C; The second predetermined threshold value is 10-30 DEG C, be more preferably 10 DEG C, 20 DEG C or DEG C, first is defaultTime is preferably 5-20 minute, is more preferably 5 minutes, 10 minutes or 20 minutes.
When near temperature water pump is greater than the residing environment temperature of ground heating system and more than the second predetermined threshold valueTime, judge that water pump is with respect to the residing temperature overheating of ground heating system, while making water pump time-out first defaultBetween.
In the time that near temperature water pump is greater than the first predetermined threshold value, judge the temperature overheating of water pump self,Directly stop pump working.
Above-mentioned embodiment is the core technology scheme of the present embodiment, does not in general lack at ground heating systemWhen water, the heat that pump working produces can be to the water transmission in ground heating system, in conjunction with himself toolStandby radiator structure, the residing ambient temperature differences of water pump and ground heating system is generally less, in 2 DEG C,Difference between temperature and the residing environment temperature of ground heating system is greater than second default near the water pump soWhen threshold value, just can think that heat that water pump produces can not be to the water transmission in ground heating system, thereby causeWater pump heat accumulation. And diaphragm type mechanical pressure sensor is pacified than available technology adoptingInstall to the detection protection method in ground heating system water route, in the means of defence of the present embodiment, only need comparisonNear difference between temperature and the residing environment temperature of ground heating system in ground heating system water pump can be sentencedDetermine whether lack of water of ground heating system, and the machinery of diaphragm type need to be installed in the water route at ground heating systemPressure switch, has overcome the mechanical pressure switches by diaphragm type of the prior art and has been installed to ground heating systemIn water route, difficulty is higher, easily causes the technological deficiency of leaking, and it is attached to record in ground heating system water pumpThe mode of near temperature and the residing environment temperature of ground heating system has a lot, and can be outside ground heating systemSet temperature measurement mechanism, does not need to be installed in the water route of ground heating system, the maintenance of being therefore yet more convenient forAnd installation, simultaneously than the mechanical pressure switches of diaphragm type, its testing result is more reliable, the use longevityOrder also longer.
As one preferred embodiment, with reference to the flow chart shown in figure 2, it comprises the following steps:
S21: obtain temperature and the residing environment temperature of ground heating system near water pump in ground heating system, itsThe residing environment temperature of middle ground heating system specifically refers to the temperature in water route;
S22: judge whether near temperature water pump is more than or equal to the first predetermined threshold value, if be greater than or etc.In the first predetermined threshold value, stop water pump operation; Enter step S23 if be less than the first predetermined threshold value;
S23: judge whether the first difference between near temperature and environment temperature water pump is greater than or etc.In the second predetermined threshold value, if perform step S24, otherwise turn back to step S21;
S24: make water pump suspend the first Preset Time;
S25: restart water pump;
Near S26: obtain temperature and the residing environment temperature of ground heating system water pump in ground heating system;
S27: calculate near the second difference between water pump temperature and environment temperature;
S28: judge from restarting water pump and start whether to exceed the second Preset Time, if return to stepRapid S21; Perform step if not S29;
S29: judge whether the second difference is greater than the 3rd predetermined threshold value, if perform step S30; IfOtherwise return to step S26;
S30: judge whether the number of times that the second difference is greater than the 3rd predetermined threshold value is greater than preset times, ifStop water pump operation; Return to if not step S26;
Restart after water pump, to ground heating system, whether lack of water is further judged: at the second Preset TimeIn, near temperature and environment temperature Real-time Obtaining water pump, and computing environment temperature all the time and water pump are attachedThe second difference of nearly temperature, if the second difference is greater than the 3rd predetermined threshold value appearance in the second Preset TimeNumber of times while being greater than preset times, judge ground heating system lack of water, stop water pump operation, wherein this realityExecute example preferably but not limit preset times be 1. And if in the second Preset Time, the second difference is all littleIn the time of the 3rd predetermined threshold value, judge not lack of water of ground heating system, the ground of making in the time suspending pump workingHeating system may lack of water sentence timing error, now return to step S21, again monitor ground heating systemRuuning situation.
In the present embodiment, the first predetermined threshold value is 80-100 DEG C, be more preferably 80 DEG C, 90 DEG C or100 DEG C, taking 90 DEG C of operation principles as example explanation the present embodiment of preferred value of the first predetermined threshold value, work as waterWhen near temperature pump exceedes 90 DEG C, can think that water pump can not leave heat in time, think that have canThe plastics components and parts in water pump be can damage, and the service life of water pump, therefore this situation shortenedDirectly stop down water pump operation, to avoid water pump to work under the condition of high temperature.
In the present embodiment, the first Preset Time is value in 5-20 minute preferably, is more preferably 5Minute, 10 minutes or 20 minutes, taking the first Preset Time as 10 minutes as example, specifically can basisDifferent regions and season, the first Preset Time is adjusted; Its object is to allow water pump suspend one sectionAfter time, make water pump cooling, so that measure again whether lack of water, therefore this area of ground heating systemTechnical staff can set the first Preset Time voluntarily, that is to say the time that allows water pump cool down.
The second Preset Time is value in 30-90 minute preferably, more preferably 30 minutes, 60 minutes or90 minutes, it should be noted that the setting value of the second Preset Time is unsuitable long, for example several days, theTwo Preset Times are set the long ground heating system that may cause because of the fault of miscellaneous part the present embodimentThe misjudgment of lack of water means of defence. For example: in the time that the second Preset Time is 5 days, in these 5 days,As broken down for the device that obtains near temperature water pump, near the temperature value water pump that makes to getDuring higher than actual temperature value, now not lack of water of ground heating system, system can judge ground heating system placeDo the judgement making mistake in exsiccosis, stop pump working. Therefore the second Preset Time is set inOne reasonably interval, contributes to discharge false judgment, and the ground heating system lack of water that improves the present embodiment is anti-The judgment accuracy of maintaining method.
It should be noted that, the second predetermined threshold value and the 3rd predetermined threshold value can be identical or different, at thisIn embodiment, preferably the second predetermined threshold value is identical with the 3rd predetermined threshold value, and is all 20 DEG C. But needBright, under different environment, those skilled in the art can be to the second predetermined threshold value and the 3rd pre-If threshold value is adjusted freely.
In the present embodiment, preferably preset times is 1 time, that is to say restarting second after water pump when defaultIn, the second difference is only greater than the 3rd predetermined threshold value, just judges that ground heating system is in exsiccosis.Preset times is larger, and it is more accurate to judge, but can extend the judgement time of ground heating system lack of water; When defaultWhen number of times is greater than 1 time, for example preset times is 2, judges that for the first time the second difference is greater than the 3rd and presetsWhen threshold value, return to time-out pump working, return to execution step S27, judge that for the second time the second difference is largeIn the time of the 3rd predetermined threshold value, just judge that ground heating system, in exsiccosis, stops pump working.
In addition, while being damaged for obtaining the temperature detection part of the residing environment temperature of ground heating system,Ground heating system can be damaged by temp. indicator detection part, stops pump working simultaneously, treats temperature inspectionAfter survey parts for maintenance is good, recover again pump working.
In addition it should be noted that: in the object of step S26-S30 is to judge the second Preset TimeWhether the number of times that the second difference is greater than the 3rd predetermined threshold value appearance is greater than preset times, in the present embodimentAbove-mentioned steps adopt first judge whether the time exceed the second Preset Time, then judge whether number of times exceedsPreset times. Obviously those skilled in the art can also rationally convert technique scheme, exampleAs first number of times judged, then the time is judged, in the time that two conditions meet, stop water simultaneouslyPump operation, arbitraryly all upwards returns while not meeting, does not repeat at this.
Embodiment 2
Originally the ground of the ground heating system lack of water means of defence providing in a kind of embodiment of use 1 is provided to execute exampleHeating system lack of water protector, with reference to figure 3, it comprises:
The first temperature acquiring unit 1, for obtaining near temperature and ground heating system ground heating system water pumpResiding environment temperature;
The first judging unit 2, for judging whether near temperature water pump is more than or equal to the first default thresholdValue;
The first difference computational unit 3, in the time that near temperature water pump is less than the first predetermined threshold value, sentencesWhether near the first difference between temperature and environment temperature water cut-off pump is more than or equal to the second default thresholdValue;
Suspend unit 4, in the time that the first difference is more than or equal to the second predetermined threshold value, water pump is suspendedThe first Preset Time.
With further reference to Fig. 4, the ground heating system lack of water protector of the present embodiment also comprises: restart unit5, for making after water pump suspends the first Preset Time, to restart water pump suspending unit 4;
The second temperature acquiring unit 6, for obtaining near temperature and ground heating system ground heating system water pumpResiding environment temperature;
The second difference computational unit 7, for calculating second between near temperature water pump and environment temperatureDifference;
Stop element 8, for occurring when the second difference in the second Preset Time is greater than the 3rd predetermined threshold valueNumber of times while being greater than preset times, stop water pump operation.
Further, stop element is also for being more than or equal to the first predetermined threshold value when near temperature water pumpTime, stop water pump operation.
The ground heating system lack of water protector of the present embodiment, only need to use the first temperature acquiring unit,The first difference computational unit, judges the magnitude relationship between the first difference and the second predetermined threshold value,Whether lack of water of ground heating system be can judge, thereby water pump operation or operation suspension controlled.
The ground heating system lack of water protector of the present embodiment can alternative membrane chip mechanical pressure switches comeMeasure hydraulic pressure in ground heating system and judge whether lack of water of ground heating system, press than the machinery of diaphragm typePower switch, is originally that the protector probability of failure of embodiment is low, long service life, and be easy toInstall.
Embodiment 3
Originally execute example a kind of ground heating system lack of water guard system is provided, with reference to figure 5, it comprises:
The first temperature sensor 11, is arranged in ground heating system near water pump, for obtaining ground heating systemNear temperature middle water pump;
The second temperature sensor 12, for obtaining the residing environment temperature of ground heating system;
Processor 13, for being less than near the temperature the first predetermined threshold value and water pump near temperature water pumpWhen the first difference between degree and environment temperature is more than or equal to the second predetermined threshold value, output first signal;
Controller 14, is connected with processor, for making in the time receiving the first signal of processor outputWater pump suspends the first Preset Time.
Further, controller 14 is also for making water pump restart water after suspending the first Preset TimePump;
Processor 13 is also in the second Preset Time after water pump restarts, in the time that second presetsIn the second difference be greater than number of times that the 3rd predetermined threshold value occurs while being greater than preset times, output the second letterNumber;
Controller 14 also for stopping water pump operation in the time receiving the secondary signal of processor output.
Further, processor 13 is also more than or equal to the first predetermined threshold value near temperature water pumpConstantly, output secondary signal; Controller 14 stops in the time receiving the secondary signal that processor 13 exportsSealing pump operation. Meanwhile, the first temperature sensor 11 is arranged on and is close to the circuit board that water pump below arrangesUpper, the first temperature sensor 11 on wiring board can record near the temperature of water pump accurately like this;Further, the first temperature sensor 11 preferably uses the SMD temperature sensor of small volume. TheTwo temperature sensors 12 extend in water route by means of flange section sealing.
In the ground heating system lack of water guard system of the present embodiment, for measuring the residing environment of ground heating systemThe second temperature sensor 12 of temperature does not need whole being installed to as the mechanical pressure switches of diaphragm typeIn the water route of ground heating system. In general, ground heating system all provides its environment temperature of living in of detectionThe second temperature sensor 12, processor 13 is by the first temperature sensor 11 and the second temperature sensor 12Recording numerical value calculates; In the time not providing the second temperature sensor 12 in ground heating system, canExtend in water route and can survey the residing environment temperature of ground heating system by means of flange section sealingAmount, its volume also greatly reduces than diaphragm type mechanical pressure switches, simultaneously cost low, makeLong with the life-span, accuracy is high and stable and reliable operation is not easy to break down. It should be noted thatThe second temperature sensor 12 also can other equivalences with ground heating system environment temperature of living in by measurementPut measures ambient temperature, and not necessarily extend in water route and measure.
In addition, in actual use, first signal that those skilled in the art can send processor,State or error code etc. that secondary signal, controller are carried out in real time output to the visible demonstration of userOn screen.
Those skilled in the art should understand, embodiment of the present utility model can be provided as method, beSystem or computer program. Therefore, the utility model can adopt complete hardware implementation example, completeImplement software example or in conjunction with the form of the embodiment of software and hardware aspect. And, the utility modelCan adopt at one or more computers that wherein include computer usable program code and can be situated between with storageThe upper computer of implementing of matter (including but not limited to magnetic disc store, CD-ROM, optical memory etc.)The form of program product.
The utility model is that reference is according to the method for the utility model embodiment, equipment (system) and meterThe flow chart of calculation machine program product and/or block diagram are described. Should understand and can be referred to by computer programMake each flow process in realization flow figure and/or block diagram and/or square frame and flow chart and/orFlow process in block diagram and/or the combination of square frame. Can provide these computer program instructions to general meterThe processor of calculation machine, special-purpose computer, Embedded Processor or other programmable data processing device withProduce a machine, make to carry out by the processor of computer or other programmable data processing deviceInstruction produce for realize at flow process of flow chart or multiple flow process and/or square frame of block diagramOr the device of the function of specifying in multiple square frames.
These computer program instructions also can be stored in can vectoring computer or other programmable data processingIn the computer-readable memory of equipment with ad hoc fashion work, make to be stored in this computer-readable and depositInstruction in reservoir produces the manufacture that comprises command device, and this command device is realized one of flow chartThe function of specifying in square frame of flow process or multiple flow process and/or block diagram or multiple square frame.
These computer program instructions also can be loaded into computer or other programmable data processing deviceUpper, make to carry out sequence of operations step to produce computer on computer or other programmable devicesThe processing realizing, thus the instruction of carrying out on computer or other programmable devices is provided for realizingIn flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame, specifyThe step of function.
Obviously, above-described embodiment is only for example is clearly described, and not to the side of enforcementThe restriction of formula. For those of ordinary skill in the field, also can on the basis of the above descriptionTo make other changes in different forms. Here without also giving all embodimentsWith exhaustive. And the apparent variation of being extended out thus or variation are still created in the utility modelProtection domain among.

Claims (4)

1. a ground heating system lack of water guard system, comprising:
The first temperature sensor (11), is arranged in described ground heating system near water pump, for obtaining near temperature ground heating system water pump;
The second temperature sensor (12), for obtaining the residing environment temperature of ground heating system;
Processor (13), when being less than the first difference between near temperature and the described environment temperature the first predetermined threshold value and described water pump and being more than or equal to the second predetermined threshold value near the temperature described water pump, output first signal;
Controller (14), is connected with described processor, for making described water pump suspend the first Preset Time in the time receiving the first signal of described processor output.
2. ground heating system lack of water guard system according to claim 1, is characterized in that:
Described controller (14) is also for making described water pump restart described water pump after suspending the first Preset Time;
Described processor (13) is also in the second Preset Time after described water pump restarts, when the second difference is greater than number of times that the 3rd predetermined threshold value occurs and is more than or equal to preset times, and output secondary signal;
Described controller (14) also for stopping water pump operation in the time receiving the secondary signal of described processor output.
3. ground heating system lack of water guard system according to claim 2, is characterized in that:
When described processor (13) is also more than or equal to the first predetermined threshold value near the temperature described water pump, output secondary signal;
Described controller (14) stops water pump operation in the time receiving the secondary signal of described processor output.
4. ground heating system lack of water guard system according to claim 1, is characterized in that:
Described the second temperature sensor (12) extend in water route by means of flange section sealing.
CN201520877885.3U 2015-11-04 2015-11-04 Underfloor heating system lack of water protection system Active CN205245337U (en)

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CN201520877885.3U CN205245337U (en) 2015-11-04 2015-11-04 Underfloor heating system lack of water protection system

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Application Number Priority Date Filing Date Title
CN201520877885.3U CN205245337U (en) 2015-11-04 2015-11-04 Underfloor heating system lack of water protection system

Publications (1)

Publication Number Publication Date
CN205245337U true CN205245337U (en) 2016-05-18

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CN201520877885.3U Active CN205245337U (en) 2015-11-04 2015-11-04 Underfloor heating system lack of water protection system

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105258209A (en) * 2015-11-04 2016-01-20 曼瑞德集团有限公司 Water shortage protective method, device and system for heating system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105258209A (en) * 2015-11-04 2016-01-20 曼瑞德集团有限公司 Water shortage protective method, device and system for heating system
CN105258209B (en) * 2015-11-04 2018-02-23 浙江曼瑞德舒适系统有限公司 A kind of ground heating system water shortage means of defence, device and system

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