CN105258209A - Water shortage protective method, device and system for heating system - Google Patents
Water shortage protective method, device and system for heating system Download PDFInfo
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- CN105258209A CN105258209A CN201510740905.7A CN201510740905A CN105258209A CN 105258209 A CN105258209 A CN 105258209A CN 201510740905 A CN201510740905 A CN 201510740905A CN 105258209 A CN105258209 A CN 105258209A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 234
- 238000010438 heat treatment Methods 0.000 title claims abstract description 149
- 238000000034 method Methods 0.000 title abstract description 17
- 230000001681 protective effect Effects 0.000 title abstract 2
- 230000001012 protector Effects 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 3
- 239000012528 membrane Substances 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 9
- 238000004590 computer program Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 4
- 208000005156 Dehydration Diseases 0.000 description 3
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- 241001391944 Commicarpus scandens Species 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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- 230000003287 optical effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
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Abstract
The invention provides a water shortage protective method, device and system for a heating system. The method includes the following steps that the temperature nearby a water pump in the heating system and the temperature of the environment where the heating system is located are acquired; whether the temperature nearby the water pump is larger than or equal to a first preset threshold or not is judged; when the temperature nearby the water pump is smaller than the first preset threshold, whether the first difference between the temperature nearby the water pump and the temperature of the environment is larger than or equal to a second preset threshold or not is judged; when the first difference is larger than or equal to the second preset threshold, the water pump stops for a first preset period of time, a membrane type mechanical pressure switch does not need to be installed in a water path of the heating system, and the defects that the membrane type mechanical pressure switch is not easy to install, and water leakage of the water path of the heating system is easily caused are overcome; and meanwhile, the work state of a temperature sensor is more stable, the situation that the temperature detection valve substantially deviates is not caused, and service life is longer.
Description
Technical field
The present invention relates to ground heating system field, be specifically related to a kind of ground heating system lack of water method for supervising, device and system.
Background technology
Ground heating system is a kind of emerging domestic heating air-conditioning system, the ground heating system of general family expenses comprises and is positioned at outdoor switch and is communicated with switch and water-heating system disposed in the interior, water-heating system comprises water-circulating pump and stores the water pipe of water, switch transfers heat to water, the heat radiation of water is gone out by water-heating system in room again, thus plays thermoregulator effect, and ground heating system is compared to general air-conditioning, directly do not brush hot blast, comfort level is better; Specific heat of water holds comparatively large simultaneously, and the temperature fluctuation in room is little, and the maintenance effect of temperature is better.Receive increasing use in recent years.
In water-heating system in working order under, water-circulating pump is also always in running order, i.e. normal open electricity condition, when in water-heating system during lack of water, the water-circulating pump heat produced that is energized can not transmit feedwater, the temperature of water-circulating pump therefore can be caused sharply to raise, reach as high as more than 200 degree.Easily cause water-circulating pump damage, power source trip when temperature is too high, even cause the potential safety hazards such as other electrical leakages.So to need to detect in water-heating system pipeline whether lack of water, and in water-heating system in water-stressed conditions, the power supply cutting off water-circulating pump is just necessary very much.In current ground heating system, generally adopt the mechanical pressure switches of installing diaphragm type in water route to detect ground heating system whether lack of water, water-circulating pump power-off will be triggered when pressure switch detects in water route after lack of water.But use the ground heating system of this diaphragm type mechanical pressure switches to there is following defect:
1, the service life due to diaphragm is shorter, and Long-Time Service easily damages or causes testing result mistake, and therefore user has to frequently change pressure switch; 2, the volume of diaphragm type mechanical pressure switches is comparatively large, and installation difficulty is higher, causes diaphragm type pressure switch to be not easy to be installed in water route, and when installing effect and being bad, water route can be caused to leak, make troubles to user.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that the service life that ground heating system of the prior art uses diaphragm type mechanical pressure switches to cause is short, testing result is inaccurate and not easily installs.
For solving the problem, the embodiment of the present invention provides a kind of ground heating system lack of water means of defence, comprising:
Obtain the temperature in ground heating system near water pump and the environment temperature residing for ground heating system;
Judge whether the temperature near described water pump is more than or equal to the first predetermined threshold value;
When temperature near described water pump is less than the second predetermined threshold value, judge whether the first difference between temperature near described water pump and described environment temperature is more than or equal to the second predetermined threshold value;
When described first difference is more than or equal to the 3rd predetermined threshold value, described water pump is made to suspend the first Preset Time.
In above-mentioned ground heating system lack of water means of defence, making after described water pump suspends the first Preset Time, also to comprise:
Restart described water pump;
Obtain the temperature in ground heating system near water pump and the environment temperature residing for ground heating system;
Calculate the second difference between temperature near described water pump and described environment temperature;
If described second difference is greater than number of times that the 3rd predetermined threshold value occurs when being greater than preset times in the second Preset Time, then stop water pump operation.
In above-mentioned ground heating system lack of water means of defence, described first Preset Time is 5-20 minute; And/or described first predetermined threshold value is 80-100 DEG C; And/or described second predetermined threshold value is 10-30 DEG C.
In above-mentioned ground heating system lack of water means of defence, described second Preset Time is 30-90 minute, and described 3rd predetermined threshold value is 10-30 DEG C.
In above-mentioned ground heating system lack of water means of defence, when the temperature near described water pump is more than or equal to described first predetermined threshold value, stop water pump operation.
The embodiment of the present invention also provides a kind of ground heating system lack of water protector, comprising:
First temperature acquiring unit, for obtaining the temperature in ground heating system near water pump and the environment temperature residing for ground heating system;
First judging unit, for judging whether the temperature near described water pump is more than or equal to described predetermined threshold value;
First difference computational unit, when being less than the first predetermined threshold value for the temperature near described water pump, judges whether the first difference between temperature near described water pump and described environment temperature is more than or equal to the second predetermined threshold value;
Suspend unit, for when described first difference is more than or equal to the second predetermined threshold value, make described water pump suspend the first Preset Time.
In above-mentioned ground heating system lack of water protector, also comprise:
Restart unit, at described time-out unit making after described water pump suspends the first Preset Time, to restart described water pump;
Second temperature acquiring unit, for obtaining the temperature in ground heating system near water pump and the environment temperature residing for ground heating system;
Second difference computational unit, for calculating the second difference between temperature near described water pump and described environment temperature;
Stop element, when the number of times occurred is greater than preset times, then stops water pump operation for being greater than the 3rd predetermined threshold value when the second difference described in the second Preset Time.
In above-mentioned ground heating system lack of water means of defence, described stop element also for the temperature near described water pump be more than or equal to described first predetermined threshold value spend time, stop water pump operation.
The embodiment of the present invention also provides a kind of ground heating system lack of water guard system, comprising:
First temperature sensor, is arranged in described ground heating system near water pump, for obtaining the temperature in ground heating system near water pump;
Second temperature sensor, for obtaining the environment temperature residing for ground heating system;
Processor, be less than the first predetermined threshold value for the temperature near described water pump and temperature near described water pump and the first difference between described environment temperature are more than or equal to the second predetermined threshold value time, export the first signal;
Controller, is connected with described processor, for making described water pump suspend the first Preset Time when receiving the first signal that described processor exports.
In above-mentioned ground heating system lack of water guard system,
Described controller also for make described water pump suspend the first Preset Time after restart described water pump;
Described processor is also in the second Preset Time after described water pump restarts, and in the second Preset Time, described second difference is greater than number of times that the 3rd predetermined threshold value occurs when being greater than preset times, exports secondary signal;
Described controller is also for stopping water pump operation when receiving the secondary signal that described processor exports.
In above-mentioned ground heating system lack of water guard system, when described processor is also greater than 90 degree for the temperature near described water pump, export secondary signal;
Described controller stops water pump operation when receiving the secondary signal that described processor exports.
In above-mentioned ground heating system lack of water guard system, described second temperature sensor extend in water route by means of flange section sealing.
The technical scheme of the embodiment of the present invention, tool has the following advantages:
1. according to means of defence, device and system that the embodiment of the present invention provides, only need the temperature near water pump and the difference between the environment temperature residing for ground heating system in comparison ground heating system can judge ground heating system whether lack of water, and do not need the mechanical pressure switches of installing diaphragm type in the water route at ground heating system, thus overcome diaphragm type mechanical pressure switches and not easily install, easily cause the defect that ground heating system water route leaks; The duty of simultaneous temperature sensor is more stable, and there will not be the situation of temperature detection value significantly deviation, service life is also longer.
2., in the guard system of the present embodiment, the second temperature sensor for measuring the environment temperature residing for ground heating system does not need whole as the mechanical pressure switches of diaphragm type being installed in the water route of ground heating system.In general, ground heating system all provides the second temperature sensor detecting environment temperature residing for it, and the first temperature sensor and the second temperature sensor are recorded numerical value by processor to carry out calculating; Preferably, described second temperature sensor can extend in water route and can measure the environment temperature residing for ground heating system by means of flange section sealing, its volume also greatly reduces compared to diaphragm type mechanical pressure switches, and cost is low simultaneously, long service life, accuracy are high and stable and reliable operation is not easy to break down.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in detailed description of the invention or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of a concrete example of ground heating system lack of water means of defence in the embodiment of the present invention 1;
Fig. 2 be another concrete example of ground heating system lack of water means of defence in the embodiment of the present invention 1 flow chart;
Fig. 3 is the structural representation of a concrete example of ground heating system lack of water protector in the embodiment of the present invention 2;
Fig. 4 is the structural representation of another concrete example of ground heating system lack of water protector in the embodiment of the present invention 2;
Fig. 5 is the structural representation of a concrete example of ground heating system lack of water guard system in the embodiment of the present invention 3;
Fig. 6 is the structural representation of ground heating system guard system in the embodiment of the present invention 3.
Description of reference numerals
1-first temperature acquiring unit; 2-first judging unit; 3-first difference computational unit; 4-suspends unit; 5-restarts unit; 6-second temperature acquiring unit; 7-second difference computational unit; 8-stop element; 11-first sensor; 12-second sensor; 13-processor; 14-controller.
Detailed description of the invention
Be clearly and completely described technical scheme of the present invention below in conjunction with accompanying drawing, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can also be the connection of two element internals, can be wireless connections, also can be wired connection.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
In addition, if below in the described different embodiment of the present invention involved technical characteristic do not form conflict each other and just can be combined with each other.
Embodiment 1
The present embodiment provides a kind of ground heating system lack of water means of defence, and with reference to the flow chart shown in figure 1, it comprises the following steps:
S11: obtain the temperature in ground heating system near water pump and the environment temperature residing for ground heating system, the environment temperature wherein residing for ground heating system specifically refers to the temperature in water route;
S12: judge whether the temperature near water pump is more than or equal to the first predetermined threshold value, if be more than or equal to the first predetermined threshold value, then perform and stops water pump operation; If be less than the first predetermined threshold value, enter step S13;
S13: judge whether the first difference between temperature near water pump and environment temperature is more than or equal to the second predetermined threshold value, if then perform step S14, otherwise turns 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, is more preferably 80,90 DEG C or 100 DEG C; Second predetermined threshold value is 10-30 DEG C, be more preferably 10 DEG C, 20 DEG C or DEG C, the first Preset Time is preferably 5-20 minute, is more preferably 5 minutes, 10 minutes or 20 minutes.
When temperature near water pump is greater than more than environment temperature residing for ground heating system and the second predetermined threshold value, then judge that water pump is relative to the temperature overheating residing for ground heating system, makes water pump suspend the first Preset Time.
When temperature near water pump is greater than the first predetermined threshold value, then judges the temperature overheating of water pump self, directly stop pump working.
Above-mentioned embodiment is the core technology scheme of the present embodiment, in general ground heating system not lack of water time, the heat that pump working produces can to the Water transport in ground heating system, the radiator structure possessed in conjunction with himself, water pump and the ambient temperature differences residing for ground heating system are general less, within 2 DEG C, when difference so near water pump between temperature and the environment temperature residing for ground heating system is greater than the second predetermined threshold value, just can think that the heat that water pump produces to the Water transport in ground heating system, thus can not result in water pump heat accumulation.And compared to detection protection method diaphragm type mechanical pressure sensor is installed in ground heating system water route adopted in prior art, only need the temperature near water pump and the difference between the environment temperature residing for ground heating system in comparison ground heating system can judge ground heating system whether lack of water in the means of defence of the present embodiment, and do not need the mechanical pressure switches of installing diaphragm type in the water route at ground heating system, overcoming the mechanical pressure switches by diaphragm type of the prior art, to be installed to difficulty in ground heating system water route higher, easily cause the technological deficiency of leaking, and the mode recording the temperature in ground heating system near water pump and the environment temperature residing for ground heating system has a lot, and temperature measuring equipment can be set outside ground heating system, do not need to be installed in the water route of ground heating system, therefore be also more convenient for overhauling and installing, simultaneously compared to the mechanical pressure switches of diaphragm type, its testing result is more reliable, service life is also longer.
As one preferred embodiment, with reference to the flow chart shown in figure 2, it comprises the following steps:
S21: obtain the temperature in ground heating system near water pump and the environment temperature residing for ground heating system, the environment temperature wherein residing for ground heating system specifically refers to the temperature in water route;
S22: judge whether the temperature near water pump is more than or equal to the first predetermined threshold value, if be more than or equal to the first predetermined threshold value, then stops water pump operation; If be less than the first predetermined threshold value, enter step S23;
S23: judge whether the first difference between temperature near water pump and environment temperature is more than or equal to the second predetermined threshold value, if then perform step S24, otherwise turns back to step S21;
S24: make water pump suspend the first Preset Time;
S25: restart water pump;
S26: obtain the temperature in ground heating system near water pump and the environment temperature residing for ground heating system;
S27: the temperature near calculating water pump and the second difference between environment temperature;
S28: judge whether exceed the second Preset Time from restarting water pump, if then return step S21; Then perform step S29 if not;
S29: judge whether the second difference is greater than the 3rd predetermined threshold value, if then perform step S30; Then return step S26 if not;
S30: judge whether the number of times that the second difference is greater than the 3rd predetermined threshold value is greater than preset times, if then stop water pump operation; Then return step S26 if not;
After restarting water pump, to ground heating system, whether lack of water judges further: in the second Preset Time, all the time the temperature near Real-time Obtaining water pump and environment temperature, and the second difference of temperature near computing environment temperature and water pump, if the second difference is greater than number of times that the 3rd predetermined threshold value occurs when being greater than preset times in the second Preset Time, then judge ground heating system lack of water, stop water pump operation, wherein the present embodiment preferably but do not limit preset times to be 1.And if in the second Preset Time, when second difference is all not more than the 3rd predetermined threshold value, then judge ground heating system not lack of water, the ground heating system made when suspending pump working may lack of water sentence timing error, now return step S21, again monitor the ruuning situation of ground heating system.
In the present embodiment, first predetermined threshold value is 80-100 DEG C, be more preferably 80 DEG C, 90 DEG C or 100 DEG C, the operation principle of the present embodiment is described for the preferred value 90 DEG C of the first predetermined threshold value, when the temperature near water pump is more than 90 DEG C, can thinks that heat can not leave by water pump in time, think the plastics components and parts that likely can damage in water pump, and shorten the service life of water pump, therefore directly stop water pump operation in this case, work at high operating temperatures to avoid water pump.
In the present embodiment, the first Preset Time is value in 5-20 minute preferably, is more preferably 5 minutes, 10 minutes or 20 minutes, is 10 minutes, specifically according to different regions and season, can adjusts the first Preset Time for the first Preset Time; After its object is to allow water pump suspend a period of time, water pump is cooled, so that measure ground heating system whether lack of water again, therefore those skilled in the art can sets itself first Preset Time, that is to say the time allowing water pump cool down.
Second Preset Time is value in 30-90 minute preferably, be more preferably 30 minutes, 60 minutes or 90 minutes, it should be noted that, the setting value of the second Preset Time is unsuitable long, such as several days, the long ground heating system lack of water means of defence misjudgment that may cause the present embodiment because of the fault of miscellaneous part of the second Preset Time setting.Such as: when the second Preset Time is 5 days, in these 5 days, as the device for obtaining the temperature near water pump breaks down, when making that near the water pump that gets, temperature value is higher than actual temperature value, now ground heating system not lack of water, system then can judge the judgement that ground heating system is in exsiccosis and does to make mistake, and stops pump working.Therefore the second Preset Time is set in a reasonably interval, contributes to discharging false judgment, improve the judgment accuracy of the ground heating system lack of water means of defence of the present embodiment.
It should be noted that, the second predetermined threshold value and the 3rd predetermined threshold value can be identical or different, and preferably the second predetermined threshold value is identical with the 3rd predetermined threshold value in the present embodiment, and is all 20 DEG C.But it should be noted that, in different environments, those skilled in the art can adjust freely to the second predetermined threshold value and the 3rd predetermined threshold value.
In the present embodiment, preferred preset times is 1 time, that is to say that, in the second Preset Time after restarting water pump, 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 determination time of prolongedly heating system lack of water; When preset times is greater than 1 time, such as preset times is 2, when first time judges that the second difference is greater than the 3rd predetermined threshold value, return time-out pump working, return and perform step S27, when second time judges that the second difference is greater than the 3rd predetermined threshold value, just judge that ground heating system is in exsiccosis, stops pump working.
In addition, when the temperature detection part for obtaining the environment temperature residing for ground heating system is damaged, ground heating system can be damaged by temp. indicator detection part, stops pump working simultaneously, after temperature detection part keeps in repair, recovers pump working again.
In addition it should be noted that: be to judge that the second difference in the second Preset Time is greater than the number of times that the 3rd predetermined threshold value occurs and whether is greater than preset times in the object of step S26-S30, above-mentioned steps in the present embodiment adopts and first judges whether the time exceeds the second Preset Time, then judges whether number of times exceeds preset times.Obvious those skilled in the art rationally can also convert technique scheme, such as, first judge number of times, then judge the time, stop water pump operation when two conditions meet simultaneously, arbitraryly all upwards return when not meeting, and do not repeat at this.
Embodiment 2
Originally execute example and provide a kind of ground heating system lack of water protector using the ground heating system lack of water means of defence provided in embodiment 1, with reference to figure 3, it comprises:
First temperature acquiring unit 1, for obtaining the temperature in ground heating system near water pump and the environment temperature residing for ground heating system;
First judging unit 2, for judging whether the temperature near water pump is more than or equal to the first predetermined threshold value;
First difference computational unit 3, when being less than the first predetermined threshold value for the temperature near water pump, judges whether the first difference between temperature near water pump and environment temperature is more than or equal to the second predetermined threshold value;
Suspend unit 4, for when the first difference is more than or equal to the second predetermined threshold value, make water pump suspend the first Preset Time.
With further reference to Fig. 4, the ground heating system lack of water protector of the present embodiment also comprises: restart unit 5, after water pump suspends the first Preset Time, restarts water pump for making at time-out unit 4;
Second temperature acquiring unit 6, for obtaining the temperature in ground heating system near water pump and the environment temperature residing for ground heating system;
Second difference computational unit 7, for calculating the second difference between temperature near water pump and environment temperature;
Stop element 8, for when in the second Preset Time the second difference be greater than the 3rd predetermined threshold value occur number of times be greater than preset times time, then stop water pump operation.
Further, when stop element is also more than or equal to the first predetermined threshold value for the temperature near water pump, stop water pump operation.
The ground heating system lack of water protector of the present embodiment, only need use first temperature acquiring unit, the first difference computational unit, judge the magnitude relationship between the first difference and the second predetermined threshold value, ground heating system whether lack of water can be judged, thus control water pump operation or operation suspension.
The ground heating system lack of water protector of the present embodiment the mechanical pressure switches of alternative membrane chip can measure hydraulic pressure in ground heating system to judge ground heating system whether lack of water, compared to the mechanical pressure switches of diaphragm type, originally the protector probability of failure being embodiment is low, long service life, and be easy to install.
Embodiment 3
Originally execute example and provide a kind of ground heating system lack of water guard system, with reference to figure 5, it comprises:
First temperature sensor 11, is arranged in ground heating system near water pump, for obtaining the temperature in ground heating system near water pump;
Second temperature sensor 12, for obtaining the environment temperature residing for ground heating system;
Processor 13, be less than the first predetermined threshold value for the temperature near water pump and temperature near water pump and the first difference between environment temperature are more than or equal to the second predetermined threshold value time, export the first signal;
Controller 14, is connected with processor, for making water pump suspend the first Preset Time when receiving the first signal that processor exports.
Further, controller 14 also for make water pump suspend the first Preset Time after restart water pump;
Processor 13 is also in the second Preset Time after water pump restarts, and in the second Preset Time, the second difference is greater than number of times that the 3rd predetermined threshold value occurs when being greater than preset times, exports secondary signal;
Controller 14 is also for stopping water pump operation when receiving the secondary signal that processor exports.
Further, processor 13 is also more than or equal to the first predetermined threshold value constantly for the temperature near water pump, exports secondary signal; Controller 14 stops water pump operation when receiving the secondary signal that processor 13 exports.Meanwhile, the first temperature sensor 11 is arranged on the circuit board being close to and arranging below water pump, and the first temperature sensor 11 on such wiring board can record the temperature near water pump accurately; Further, the first temperature sensor 11 preferably uses the SMD temperature sensor of small volume.Second temperature sensor 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, do not need whole as the mechanical pressure switches of diaphragm type being installed in the water route of ground heating system for the second temperature sensor 12 measuring the environment temperature residing for ground heating system.In general, ground heating system all provides the second temperature sensor 12 detecting environment temperature residing for it, and the first temperature sensor 11 and the second temperature sensor 12 are recorded numerical value by processor 13 to carry out calculating; When not providing the second temperature sensor 12 in ground heating system, can extend in water route and can the environment temperature residing for ground heating system be measured by means of flange section sealing, its volume also greatly reduces compared to diaphragm type mechanical pressure switches, and cost is low simultaneously, long service life, accuracy are high and stable and reliable operation is not easy to break down.It should be noted that the second temperature sensor 12 also can carry out measures ambient temperature by measuring with other equivalent positions of environment temperature residing for ground heating system, and not necessarily extend in water route and measure.
In addition, in actual use, state or error code etc. that processor can send by those skilled in the art the first signal, secondary signal, controller perform in real time output on the visible display screen of user.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (12)
1. a ground heating system lack of water means of defence, is characterized in that, comprising:
Obtain the temperature in ground heating system near water pump and the environment temperature residing for ground heating system;
Judge whether the temperature near described water pump is more than or equal to the first predetermined threshold value;
When temperature near described water pump is less than the first predetermined threshold value, judge whether the first difference between temperature near described water pump and described environment temperature is more than or equal to the second predetermined threshold value;
When described first difference is more than or equal to the second predetermined threshold value, described water pump is made to suspend the first Preset Time.
2. ground heating system lack of water means of defence according to claim 1, making after described water pump suspends the first Preset Time, also to comprise:
Restart described water pump;
Obtain the temperature in ground heating system near water pump and the environment temperature residing for ground heating system;
Calculate the second difference between temperature near described water pump and described environment temperature;
If described second difference is greater than number of times that the 3rd predetermined threshold value occurs when being greater than preset times in the second Preset Time, then stop water pump operation.
3. ground heating system lack of water means of defence according to claim 1, is characterized in that:
Described first Preset Time is 5-20 minute; And/or described first predetermined threshold value is 80-100 DEG C; And/or described second predetermined threshold value is 10-30 DEG C.
4. the ground heating system lack of water means of defence according to any one of claim 1-3, is characterized in that: described second Preset Time is 30-90 minute, and described 3rd predetermined threshold value is 10-30 DEG C.
5. the ground heating system lack of water means of defence according to any one of claim 1-4, also comprises:
When temperature near described water pump is more than or equal to the first predetermined threshold value, stop water pump operation.
6. a ground heating system lack of water protector, is characterized in that, comprising:
First temperature acquiring unit (1), for obtaining the temperature in ground heating system near water pump and the environment temperature residing for ground heating system;
First judging unit (2), for judging whether the temperature near described water pump is more than or equal to described first predetermined threshold value;
First difference computational unit (3), when being less than the first predetermined threshold value for the temperature near described water pump, judges whether the first difference between temperature near described water pump and described environment temperature is more than or equal to the second predetermined threshold value;
Suspend unit (4), for when described first difference is more than or equal to the second predetermined threshold value, make described water pump suspend the first Preset Time.
7. ground heating system lack of water protector according to claim 6, also comprises:
Restarting unit (5), after described water pump suspends the first Preset Time, restarting described water pump for making described time-out unit (4);
Second temperature acquiring unit (6), for obtaining the temperature in ground heating system near water pump and the environment temperature residing for ground heating system;
Second difference computational unit (7), for calculating the second difference between temperature near described water pump and described environment temperature;
Stop element (8), when the number of times occurred is greater than preset times, then stops water pump operation for being greater than the 3rd predetermined threshold value when the second difference described in the second Preset Time.
8. ground heating system lack of water protector according to claim 7, is characterized in that: when described stop element is also more than or equal to the first predetermined threshold value for the temperature near described water pump, stops water pump operation.
9. a ground heating system lack of water guard system, comprising:
First temperature sensor (11), is arranged in described ground heating system near water pump, for obtaining the temperature in ground heating system near water pump;
Second temperature sensor (12), for obtaining the environment temperature residing for ground heating system;
Processor (13), be less than the first predetermined threshold value for the temperature near described water pump and temperature near described water pump and the first difference between described environment temperature are more than or equal to the second predetermined threshold value time, export the first signal;
Controller (14), is connected with described processor, for making described water pump suspend the first Preset Time when receiving the first signal that described processor exports.
10. ground heating system lack of water guard system according to claim 9, is characterized in that:
Described controller (14) also for make described water pump suspend the first Preset Time after restart described water pump;
Described processor (13) is also in the second Preset Time after described water pump restarts, and described second difference is greater than number of times that the 3rd predetermined threshold value occurs when being more than or equal to preset times, exports secondary signal;
Described controller (14) is also for stopping water pump operation when receiving the secondary signal that described processor exports.
11. ground heating system lack of water guard systems according to claim 10, is characterized in that:
When described processor (13) is also more than or equal to the first predetermined threshold value for the temperature near described water pump, export secondary signal;
Described controller (14) stops water pump operation when receiving the secondary signal that described processor exports.
12. ground heating system lack of water guard systems according to claim 9, is characterized in that:
Described second temperature sensor (12) extend in water route by means of flange section sealing.
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| CN201510740905.7A CN105258209B (en) | 2015-11-04 | 2015-11-04 | A kind of ground heating system water shortage means of defence, device and system |
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| CN201510740905.7A CN105258209B (en) | 2015-11-04 | 2015-11-04 | A kind of ground heating system water shortage means of defence, device and system |
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| CN105258209A true CN105258209A (en) | 2016-01-20 |
| CN105258209B CN105258209B (en) | 2018-02-23 |
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Cited By (1)
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| CN105258209B (en) | 2018-02-23 |
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Effective date of registration: 20160705 Address after: Wenzhou City, Zhejiang Province in 325026 Port Industrial Zone No. 300 Hua Lu Ling Applicant after: ZHEJIANG MENRED COMFORT SYSTEM Co.,Ltd. Address before: 325600, No. twenty, No. 222, Yueqing Economic Development Zone, Zhejiang, Wenzhou Applicant before: MENRED GROUP Co.,Ltd. |
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Denomination of invention: A water shortage protection method, device and system for floor heating system Effective date of registration: 20211221 Granted publication date: 20180223 Pledgee: Wenzhou Financing Guarantee Co.,Ltd. Pledgor: ZHEJIANG MENRED COMFORT SYSTEM Co.,Ltd. Registration number: Y2021110000097 |
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Granted publication date: 20180223 Pledgee: Wenzhou Financing Guarantee Co.,Ltd. Pledgor: ZHEJIANG MENRED COMFORT SYSTEM Co.,Ltd. Registration number: Y2021110000097 |