CN106839512A - Determination methods and device and heat pump that heat pump temperature sensor comes off - Google Patents

Determination methods and device and heat pump that heat pump temperature sensor comes off Download PDF

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Publication number
CN106839512A
CN106839512A CN201710134150.5A CN201710134150A CN106839512A CN 106839512 A CN106839512 A CN 106839512A CN 201710134150 A CN201710134150 A CN 201710134150A CN 106839512 A CN106839512 A CN 106839512A
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CN
China
Prior art keywords
temperature sensor
heat pump
thermal source
water
comes
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Granted
Application number
CN201710134150.5A
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Chinese (zh)
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CN106839512B (en
Inventor
马超
吴君
张建华
李金波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
Guangdong Midea Refrigeration Equipment Co Ltd
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Priority to CN201710134150.5A priority Critical patent/CN106839512B/en
Publication of CN106839512A publication Critical patent/CN106839512A/en
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Publication of CN106839512B publication Critical patent/CN106839512B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B29/00Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00Heat pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00Problems to be solved
    • F25B2500/06Damage
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21Temperatures

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

The determination methods and device and heat pump come off the invention provides a kind of heat pump temperature sensor.Wherein, heat pump includes heat pump, thermal source, and when heat pump is in heating mode, determination methods include:Along the direction that thermal medium advances, detect and judge that whether heat pump and thermal source, in work, determine the thermal source of first job;Using the thermal source of first job as judgment standard;According to criterion, and judge whether each temperature sensor comes off according to preset rules;Wherein, thermal source includes water/fluorine heat exchanger and multiple auxiliary thermal sources, and temperature sensor includes return water temperature sensor and multiple water routes temperature sensor.By technical scheme, can accurately judge that temperature sensor comes off, it is to avoid temperature sensor comes off causes thermometric to deviate actual problem, ensures heat pump reliability of operation, extends the life-span of heat pump.

Description

Determination methods and device and heat pump that heat pump temperature sensor comes off
Technical field
The present invention relates to technical field of heat pumps, in particular to the judgement that a kind of heat pump temperature sensor comes off Method and device, further relates to a kind of heat pump.
Background technology
Heat pump is increasingly extensive in heating and refrigerating field application, and there are grounding heat coil tube, fan coil, low temperature in heating end There are the forms such as fan coil, capillary network the forms such as radiator, refrigeration end, and these ends are all using water as heat transfer matchmaker Jie, therefore the accuracy that water system reclaimed water temperature detector is surveyed, the operation control to indoor comfort and unit play vital work With.
The heat pump that interior is heated and freezed using water system, substantially all using water supply/return water temperature as machine The important parameter of group control.Judgement to water system temperature sensor fault at present rests essentially within sensor open circuit and open circuit In judgement, but temperature sensor is in addition to open circuit and open fault, and also existing to be come off from temperature-sensitive mouth causes thermometric to deviate actual temperature The problem of degree.
Therefore, in order to keep the reliability of unit operation, judge that temperature sensor release failure is necessary in time.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art or correlation technique.
Therefore, it is an object of the present invention to propose the determination methods that a kind of heat pump temperature sensor comes off.
It is another object of the present invention to propose the judgment means that a kind of heat pump temperature sensor comes off.
A further object of the present invention is to propose a kind of heat pump.
In view of this, the present invention proposes the determination methods that a kind of heat pump temperature sensor comes off, heat pump bag Heat pump, water/fluorine heat exchanger, thermal source, temperature sensor are included, when heat pump is in heating mode, determination methods include:Along The direction that thermal medium advances, detects and judges that whether heat pump and thermal source, in work, determine the thermal source of first job;By first The thermal source of work is used as judgment standard;According to criterion, and judge whether temperature sensor comes off according to preset rules;Its In, thermal source includes water/fluorine heat exchanger and multiple auxiliary thermal sources, and temperature sensor includes return water temperature sensor and multiple water routes temperature Degree sensor.
The determination methods that heat pump temperature sensor of the invention comes off, by detecting and judge heat pump and thermal source Whether in work, with the detection numerical value of each temperature sensor of real-time detection, and detection numerical value participation calculating can be judged, along heat The direction that medium advances, determines the thermal source of first job, and using the thermal source as judgment standard, according to the judgment standard, Judge whether temperature sensor comes off according to preset rules such that it is able to accurately judge that temperature sensor comes off, it is to avoid temperature Degree sensor comes off causes thermometric to deviate actual problem, ensures heat pump reliability of operation, extends the longevity of heat pump Life.
Wherein, thermal medium is preferably water, and thermal source includes water/fluorine heat exchanger and multiple auxiliary thermal sources, temperature sensor bag Include return water temperature sensor and multiple water routes temperature sensor.
In addition, the determination methods come off according to the above-mentioned heat pump temperature sensor of the present invention, can also have as follows Additional technical characteristic:
In the above-mentioned technical solutions, it is preferable that according to criterion, whether each temperature sensor is judged according to preset rules The specific steps for coming off, including:When it is determined that n-th thermal source is judgment standard, for each TEMP behind n-th thermal source The temperature T of any temperature sensor detection in device, if in preset time t 1, (n-1)≤0 then judges any temperature to meet T-T Degree sensor comes off;For the temperature T that any temperature sensor in each temperature sensor before (n-1)th thermal source is detected, If in preset time t 1, meeting T-T (n-1)<0, then judge that any temperature sensor comes off;Wherein T (n-1) is (n-1)th The temperature of the corresponding leaving water temperature sensors detection of thermal source;Leaving water temperature sensors corresponding for (n-1)th thermal source are not carried out Release failure judges.
In the technical scheme, along supplying hot water direction, using the thermal source of first job as judgment standard, it is assumed that n-th Individual thermal source is judgment standard thermal source.The then temperature sensor for n-th thermal source and its backward, if temperature T of its detection is even In continuous time t1, meet T-T (n-1)≤0, then the temperature sensor be judged as release failure;For from (n-1)th thermal source forward To return water temperature sensor, if in the temperature T continuous times t1 of its detection, meeting T-T (n-1)<0, the then temperature sensor It is judged as release failure;Release failure judgement is not carried out for (n-1)th thermal source.
In any of the above-described technical scheme, it is preferable that whenever thering is thermal source to stop or starting, by after preset time t 2, Redefine judgment standard;And re-start the judgement whether each temperature sensor comes off.
In the technical scheme, whenever have in heat pump thermal source stop or start when, need to through t2 after a while, wait be System temperature can redefine judgment standard thermal source after eliminating the influence of cataclysm, carry out temperature sensor release failure judgement.
In any of the above-described technical scheme, it is preferable that when heat pump is in refrigeration mode, determination methods also include: Along the direction that cold medium is advanced, using water/fluorine heat exchanger as judgment standard;Reached in water/fluorine heat exchanger working time default After time t2, for each temperature sensor behind water/fluorine heat exchanger in any water route temperature sensor detection temperature T, In preset time t 1, T-T0 >=0 is met, then judge that any water route temperature sensor comes off;Wherein T0 is sensed for return water temperature The temperature of device detection;Do not judge for return water temperature sensor.
In the technical scheme, when system carries out refrigerating operaton, auxiliary thermal source is not turned on, and cold medium is preferably water, suitable Cooling water direction, using water/fluorine heat exchanger as judgment standard.After water/fluorine heat exchanger working time reaches preset time t 2, then For from water/fluorine heat exchanger up to n-th water route temperature sensor, if its detection temperature T continuous times t1 in, meet T- T0 >=0, then the water route temperature sensor be judged as release failure;Wherein, release failure is not carried out for return water temperature sensor Judge.
In any of the above-described technical scheme, it is preferable that the scope of preset time t 1:6 to 10 minutes;The model of preset time t 2 Enclose:3 to 6 minutes.
In the technical scheme, it should be appreciated by those skilled in the art that the scope of preset time t 1 is 6 to 10 minutes;In advance If the scope of time t2 is 3 to 6 minutes;But not limited to this.
In any of the above-described technical scheme, it is preferable that preset time t 1 is 7 minutes;Preset time t 2 is 5 minutes.
In the technical scheme, when implementing, preset time t 1 and preset time t 2 can be carried out according to actual condition Adjustment.
The present invention also proposes the judgment means that a kind of heat pump temperature sensor comes off, heat pump include heat pump, water/ Fluorine heat exchanger, thermal source, temperature sensor, when heat pump is in heating mode, judgment means include:Detection unit, is used for Along the direction that thermal medium advances, detect and judge that whether heat pump and thermal source, in work, determine the thermal source of first job;First Determining unit, for using the thermal source of first job as judgment standard;First judging unit, for according to criterion, and Judge whether temperature sensor comes off according to preset rules;Wherein, thermal source includes water/fluorine heat exchanger and multiple auxiliary thermal sources, temperature Degree sensor includes return water temperature sensor and multiple water routes temperature sensor.
The judgment means that heat pump temperature sensor of the invention comes off, by detecting and judge heat pump and thermal source Whether in work, with the detection numerical value of each temperature sensor of real-time detection, and detection numerical value participation calculating can be judged, along heat The direction that medium advances, determines the thermal source of first job, and using the thermal source as judgment standard, according to the judgment standard, Judge whether temperature sensor comes off according to preset rules such that it is able to accurately judge that temperature sensor comes off, it is to avoid temperature Degree sensor comes off causes thermometric to deviate actual problem, ensures heat pump reliability of operation, extends the longevity of heat pump Life.
Wherein, thermal medium is preferably water, and thermal source includes water/fluorine heat exchanger and multiple auxiliary thermal sources, temperature sensor bag Include return water temperature sensor and multiple water routes temperature sensor.
In addition, the judgment means come off according to the above-mentioned heat pump temperature sensor of the present invention, can also have as follows Additional technical characteristic:
In the above-mentioned technical solutions, it is preferable that the first judging unit, specifically for:When it is determined that n-th thermal source is to judge base On time, the temperature T for being detected for any temperature sensor in each temperature sensor behind n-th thermal source, if when default Between in t1, (n-1)≤0 then judges that any temperature sensor comes off to meet T-T;Passed for each temperature before (n-1)th thermal source The temperature T of any temperature sensor detection in sensor, if in preset time t 1, meeting T-T (n-1)<0, then judge any Temperature sensor comes off;Wherein T (n-1) is the temperature of the corresponding leaving water temperature sensors detection of (n-1)th thermal source;For n-th- The corresponding leaving water temperature sensors of 1 thermal source do not carry out release failure judgement.
In the technical scheme, along supplying hot water direction, using the thermal source of first job as judgment standard, it is assumed that n-th Individual thermal source is judgment standard thermal source.The then temperature sensor for n-th thermal source and its backward, if temperature T of its detection is even In continuous time t1, meet T-T (n-1)≤0, then the temperature sensor be judged as release failure;For from (n-1)th thermal source forward To return water temperature sensor, if in the temperature T continuous times t1 of its detection, meeting T-T (n-1)<0, the then temperature sensor It is judged as release failure;Release failure judgement is not carried out for (n-1)th thermal source.
In any of the above-described technical scheme, it is preferable that the first determining unit, be additionally operable to whenever have thermal source stop or start When, by after preset time t 2, redefining judgment standard;And first judging unit, it is additionally operable to according to sentencing for redefining Disconnected standard, and judge whether temperature sensor comes off according to preset rules.
In the technical scheme, whenever have in heat pump thermal source stop or start when, need to through t2 after a while, wait be System temperature can redefine judgment standard thermal source after eliminating the influence of cataclysm, carry out temperature sensor release failure judgement.
In any of the above-described technical scheme, it is preferable that when heat pump is in refrigeration mode, judgment means also include: Second determining unit, for the direction advanced along cold medium, using water/fluorine heat exchanger as judgment standard;Second judging unit, For after water/fluorine heat exchanger working time reaches preset time t 2, in each temperature sensor behind water/fluorine heat exchanger Any water route temperature sensor detection temperature T, in preset time t 1, meet T-T0 >=0, then judge any water route temperature Sensor comes off;Wherein T0 is the temperature of return water temperature sensor detection;Do not judge for return water temperature sensor.
In the technical scheme, when system carries out refrigerating operaton, auxiliary thermal source is not turned on, and cold medium is preferably water, suitable Cooling water direction, using water/fluorine heat exchanger as judgment standard.After water/fluorine heat exchanger working time reaches preset time t 2, then For from water/fluorine heat exchanger up to n-th water route temperature sensor, if its detection temperature T continuous times t1 in, meet T- T0 >=0, then the water route temperature sensor be judged as release failure;Wherein, release failure is not carried out for return water temperature sensor Judge.
In any of the above-described technical scheme, it is preferable that the scope of preset time t 1:6 to 10 minutes;The model of preset time t 2 Enclose:3 to 6 minutes.
In the technical scheme, it should be appreciated by those skilled in the art that the scope of preset time t 1 is 6 to 10 minutes;In advance If the scope of time t2 is 3 to 6 minutes;But not limited to this.
In any of the above-described technical scheme, it is preferable that preset time t 1 is 7 minutes;Preset time t 2 is 5 minutes.
In the technical scheme, when implementing, preset time t 1 and preset time t 2 can be carried out according to actual condition Adjustment.
The present invention also proposes a kind of heat pump, and heat pump includes heat pump, water/fluorine heat exchanger, thermal source, TEMP Device, the judgment means for also being come off including the heat pump temperature sensor in any of the above-described technical scheme.Therefore there is above-mentioned The technique effect of the judgment means whole that the heat pump temperature sensor in one technical scheme comes off, will not be repeated here.
Additional aspect of the invention and advantage will become obvious in following description section, or by practice of the invention Recognize.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from description of the accompanying drawings below to embodiment is combined Substantially and be readily appreciated that, wherein:
Fig. 1 shows the stream of the determination methods that heat pump temperature sensor according to an embodiment of the invention comes off Journey schematic diagram;
Fig. 2 shows the determination methods that heat pump temperature sensor according to another embodiment of the invention comes off Schematic flow sheet;
Fig. 3 shows the determination methods that heat pump temperature sensor according to still another embodiment of the invention comes off Schematic flow sheet;
Fig. 4 shows the determination methods that heat pump temperature sensor according to still a further embodiment comes off Schematic flow sheet;
Fig. 5 shows showing for the judgment means that heat pump temperature sensor according to an embodiment of the invention comes off Meaning block diagram;
Fig. 6 shows the judgment means that heat pump temperature sensor according to another embodiment of the invention comes off Schematic block diagram;
Fig. 7 shows the schematic block diagram of heat pump according to an embodiment of the invention;
Fig. 8 shows the schematic diagram of heat pump according to another embodiment of the invention.
Wherein, the corresponding relation in Fig. 8 between reference and component names is:
802 water/fluorine heat exchanger, 804 return water temperature sensors, 806 the 1st leaving water temperature sensors, 808 the 2nd leaving water temperatures Sensor, 810 the 3rd leaving water temperature sensors, 812 n-th leaving water temperature sensors, 814 the 1st auxiliary thermal sources, 816 the 2nd auxiliary heat Source, 818 n-th auxiliary thermal sources, 820 ends, 822 heat pump main frames.
Specific embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention Mode is applied to be further described in detail the present invention.It should be noted that in the case where not conflicting, the implementation of the application Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description in order to fully understand the present invention, but, the present invention may be used also Implemented with being different from other modes described here using other, therefore, protection scope of the present invention is not by described below Specific embodiment limitation.
As shown in figure 1, the determination methods that come off of heat pump temperature sensor according to an embodiment of the invention Schematic flow sheet.Wherein, heat pump includes heat pump, water/fluorine heat exchanger, thermal source, temperature sensor, when heat pump is in system During heat pattern, the determination methods include:
Step 102, along the direction that thermal medium advances, detects and judges that whether heat pump and thermal source, in work, determine first The thermal source of individual work;
Step 104, using the thermal source of first job as judgment standard;
Step 106, according to criterion, and judges whether temperature sensor comes off according to preset rules;
Wherein, thermal source includes water/fluorine heat exchanger and multiple auxiliary thermal source, temperature sensor include return water temperature sensor and Multiple water route temperature sensors.
In this embodiment, by detecting and whether heat pump and thermal source are judged in work, can be passed with each temperature of real-time detection The detection numerical value of sensor, and detection numerical value is participated in calculating judgement, along the direction that thermal medium advances, determine first job Thermal source, and using the thermal source as judgment standard, according to the judgment standard, judge whether temperature sensor takes off according to preset rules Fall such that it is able to accurately judge that temperature sensor comes off, it is to avoid temperature sensor comes off causes thermometric to deviate actual asking Topic, ensures heat pump reliability of operation, extends the life-span of heat pump.
Wherein, thermal medium is preferably water, and thermal source includes water/fluorine heat exchanger and multiple auxiliary thermal sources, temperature sensor bag Include return water temperature sensor and multiple water routes temperature sensor.
As shown in Fig. 2 the determination methods that heat pump temperature sensor according to another embodiment of the invention comes off Schematic flow sheet.Wherein, heat pump includes heat pump, water/fluorine heat exchanger, thermal source, temperature sensor, when heat pump is in During heating mode, the determination methods include:
Step 202, along the direction that thermal medium advances, detects and judges that whether heat pump and thermal source, in work, determine first The thermal source of individual work;
Step 204, using the thermal source of first job as judgment standard;
Step 206, according to criterion, the specific steps whether each temperature sensor comes off is judged according to preset rules, Including:
When it is determined that n-th thermal source is judgment standard, for any temperature in each temperature sensor behind n-th thermal source The temperature T of degree sensor detection, if in preset time t 1, (n-1)≤0 then judges that any temperature sensor takes off to meet T-T Fall;For the temperature T that any temperature sensor in each temperature sensor before (n-1)th thermal source is detected, if when default Between in t1, meet T-T (n-1)<0, then judge that any temperature sensor comes off;Wherein T (n-1) is that (n-1)th thermal source is corresponding The temperature of leaving water temperature sensors detection;Leaving water temperature sensors corresponding for (n-1)th thermal source do not carry out release failure and sentence It is disconnected.
In this embodiment, along supplying hot water direction, using the thermal source of first job as judgment standard, it is assumed that n-th Thermal source is judgment standard thermal source.The then temperature sensor for n-th thermal source and its backward, if temperature T of its detection is continuous In time t1, meet T-T (n-1)≤0, then the temperature sensor be judged as release failure;For being advanced to from (n-1)th thermal source Return water temperature sensor, if in the temperature T continuous times t1 of its detection, meeting T-T (n-1)<0, then the temperature sensor sentence It is release failure to break;Release failure judgement is not carried out for (n-1)th thermal source.
As shown in figure 3, the determination methods that heat pump temperature sensor according to still another embodiment of the invention comes off Schematic flow sheet.Wherein, heat pump includes heat pump, water/fluorine heat exchanger, thermal source, temperature sensor, when heat pump is in During heating mode, the determination methods include:
Step 302, along the direction that thermal medium advances, detects and judges that whether heat pump and thermal source, in work, determine first The thermal source of individual work;
Step 304, using the thermal source of first job as judgment standard;
Step 306, according to criterion, the specific steps whether each temperature sensor comes off is judged according to preset rules, Including:
When it is determined that n-th thermal source is judgment standard, for any temperature in each temperature sensor behind n-th thermal source The temperature T of degree sensor detection, if in preset time t 1, (n-1)≤0 then judges that any temperature sensor takes off to meet T-T Fall;For the temperature T that any temperature sensor in each temperature sensor before (n-1)th thermal source is detected, if when default Between in t1, meet T-T (n-1)<0, then judge that any temperature sensor comes off;Wherein T (n-1) is that (n-1)th thermal source is corresponding The temperature of leaving water temperature sensors detection;Leaving water temperature sensors corresponding for (n-1)th thermal source do not carry out release failure and sentence It is disconnected;
Step 308, determines whether that thermal source stops or starts, and when judged result is to be, perform step 310;Otherwise, Perform step 302;
Step 310, whenever thering is thermal source to stop or starting, by after preset time t 2, redefining judgment standard;And Re-start the judgement whether each temperature sensor comes off.
In this embodiment, whenever thering is thermal source to stop or start in heat pump, system need to be treated through t2 after a while Temperature can redefine judgment standard thermal source after eliminating the influence of cataclysm, carry out temperature sensor release failure judgement.
As shown in figure 4, the determination methods that heat pump temperature sensor according to still a further embodiment comes off Schematic flow sheet.Wherein, heat pump includes heat pump, water/fluorine heat exchanger, thermal source, temperature sensor, the determination methods bag Include:
Step 402, judges that whether heat pump, in heating mode, and when judged result is to be, performs step 404; Otherwise, step 414 is performed;
Step 404, along the direction that thermal medium advances, detects and judges that whether heat pump and thermal source, in work, determine first The thermal source of individual work;
Step 406, using the thermal source of first job as judgment standard;
Step 408, according to criterion, the specific steps whether each temperature sensor comes off is judged according to preset rules, Including:
When it is determined that n-th thermal source is judgment standard, for any temperature in each temperature sensor behind n-th thermal source The temperature T of degree sensor detection, if in preset time t 1, (n-1)≤0 then judges that any temperature sensor takes off to meet T-T Fall;For the temperature T that any temperature sensor in each temperature sensor before (n-1)th thermal source is detected, if when default Between in t1, meet T-T (n-1)<0, then judge that any temperature sensor comes off;Wherein T (n-1) is that (n-1)th thermal source is corresponding The temperature of leaving water temperature sensors detection;Leaving water temperature sensors corresponding for (n-1)th thermal source do not carry out release failure and sentence It is disconnected;
Step 410, determines whether that thermal source stops or starts, and when judged result is to be, perform step 412;Otherwise, Perform step 404;
Step 412, whenever thering is thermal source to stop or starting, by after preset time t 2, redefining judgment standard;And Re-start the judgement whether each temperature sensor comes off;
Step 414, along the direction that cold medium is advanced, using water/fluorine heat exchanger as judgment standard;
Step 416, after water/fluorine heat exchanger working time reaches preset time t 2, for each behind water/fluorine heat exchanger The temperature T of any water route temperature sensor detection in temperature sensor, in preset time t 1, meets T-T0 >=0, then judge Any water route temperature sensor comes off;Wherein T0 is the temperature of return water temperature sensor detection;For return water temperature sensor not Judged.
In this embodiment, when system carries out refrigerating operaton, auxiliary thermal source is not turned on, and cold medium is preferably water, along Cooling water direction, using water/fluorine heat exchanger as judgment standard.It is after water/fluorine heat exchanger working time reaches preset time t 2, then right Yu Congshui/fluorine heat exchanger is up to n-th water route temperature sensor, if in the temperature T continuous times t1 of its detection, meeting T-T0 >=0, then the water route temperature sensor be judged as release failure;Wherein, release failure is not carried out for return water temperature sensor to sentence It is disconnected.
In any of the above-described embodiment, it is preferable that the scope of preset time t 1:6 to 10 minutes;The model of preset time t 2 Enclose:3 to 6 minutes.
In this embodiment, it should be appreciated by those skilled in the art that the scope of preset time t 1 is 6 to 10 minutes;It is default The scope of time t2 is 3 to 6 minutes;But not limited to this.
In any of the above-described embodiment, it is preferable that preset time t 1 is 7 minutes;Preset time t 2 is 5 minutes.
In this embodiment, when implementing, preset time t 1 and preset time t 2 can be adjusted according to actual condition It is whole.
As shown in figure 5, the judgment means that come off of heat pump temperature sensor according to an embodiment of the invention Schematic block diagram.Wherein, heat pump includes heat pump, water/fluorine heat exchanger, thermal source, temperature sensor, is heated when heat pump is in During pattern, the judgment means include:
Whether detection unit 502, for the direction advanced along thermal medium, detect and judge heat pump and thermal source in work, Determine the thermal source of first job;
First determining unit 504, for using the thermal source of first job as judgment standard;
First judging unit 506, for according to criterion, and judges whether temperature sensor takes off according to preset rules Fall;
Wherein, thermal source includes water/fluorine heat exchanger and multiple auxiliary thermal source, temperature sensor include return water temperature sensor and Multiple water route temperature sensors.
In this embodiment, by detecting and whether heat pump and thermal source are judged in work, can be passed with each temperature of real-time detection The detection numerical value of sensor, and detection numerical value is participated in calculating judgement, along the direction that thermal medium advances, determine first job Thermal source, and using the thermal source as judgment standard, according to the judgment standard, judge whether temperature sensor takes off according to preset rules Fall such that it is able to accurately judge that temperature sensor comes off, it is to avoid temperature sensor comes off causes thermometric to deviate actual asking Topic, ensures heat pump reliability of operation, extends the life-span of heat pump.
Wherein, thermal medium is preferably water, and thermal source includes water/fluorine heat exchanger and multiple auxiliary thermal sources, temperature sensor bag Include return water temperature sensor and multiple water routes temperature sensor.
In the above embodiment, it is preferable that the first judging unit, specifically for:When it is determined that n-th thermal source is judgment standard When, for the temperature T that any temperature sensor in each temperature sensor behind n-th thermal source is detected, if in Preset Time In t1, (n-1)≤0 then judges that any temperature sensor comes off to meet T-T;For each TEMP before (n-1)th thermal source The temperature T of any temperature sensor detection in device, if in preset time t 1, meeting T-T (n-1)<0, then judge any temperature Degree sensor comes off;Wherein T (n-1) is the temperature of the corresponding leaving water temperature sensors detection of (n-1)th thermal source;For (n-1)th The corresponding leaving water temperature sensors of individual thermal source do not carry out release failure judgement.
In this embodiment, along supplying hot water direction, using the thermal source of first job as judgment standard, it is assumed that n-th Thermal source is judgment standard thermal source.The then temperature sensor for n-th thermal source and its backward, if temperature T of its detection is continuous In time t1, meet T-T (n-1)≤0, then the temperature sensor be judged as release failure;For being advanced to from (n-1)th thermal source Return water temperature sensor, if in the temperature T continuous times t1 of its detection, meeting T-T (n-1)<0, then the temperature sensor sentence It is release failure to break;Release failure judgement is not carried out for (n-1)th thermal source.
In any of the above-described embodiment, it is preferable that the first determining unit, it is additionally operable to whenever having thermal source to stop or start, By after preset time t 2, redefining judgment standard;And first judging unit, it is additionally operable to according to the judgement mark for redefining Standard, and judge whether temperature sensor comes off according to preset rules.
In this embodiment, whenever thering is thermal source to stop or start in heat pump, system need to be treated through t2 after a while Temperature can redefine judgment standard thermal source after eliminating the influence of cataclysm, carry out temperature sensor release failure judgement.
As shown in fig. 6, the judgment means that heat pump temperature sensor according to another embodiment of the invention comes off Schematic block diagram.Wherein, heat pump includes heat pump, water/fluorine heat exchanger, thermal source, temperature sensor, and the judgment means include:
Whether detection unit 602, for the direction advanced along thermal medium, detect and judge heat pump and thermal source in work, Determine the thermal source of first job;
First determining unit 604, for using the thermal source of first job as judgment standard;
First judging unit 606, for according to criterion, and judges whether temperature sensor takes off according to preset rules Fall;
Second determining unit 608, for the direction advanced along cold medium, using water/fluorine heat exchanger as judgment standard;
Second judging unit 610, for after water/fluorine heat exchanger working time reaches preset time t 2, being changed for water/fluorine The temperature T of any water route temperature sensor detection in each temperature sensor behind hot device, in preset time t 1, meets T- T0 >=0, then judge that any water route temperature sensor comes off;Wherein T0 is the temperature of return water temperature sensor detection;For backwater Temperature sensor is not judged.
In this embodiment, when system carries out refrigerating operaton, auxiliary thermal source is not turned on, and cold medium is preferably water, along Cooling water direction, using water/fluorine heat exchanger as judgment standard.It is after water/fluorine heat exchanger working time reaches preset time t 2, then right Yu Congshui/fluorine heat exchanger is up to n-th water route temperature sensor, if in the temperature T continuous times t1 of its detection, meeting T-T0 >=0, then the water route temperature sensor be judged as release failure;Wherein, release failure is not carried out for return water temperature sensor to sentence It is disconnected.
In any of the above-described embodiment, it is preferable that the scope of preset time t 1:6 to 10 minutes;The model of preset time t 2 Enclose:3 to 6 minutes.
In this embodiment, it should be appreciated by those skilled in the art that the scope of preset time t 1 is 6 to 10 minutes;It is default The scope of time t2 is 3 to 6 minutes;But not limited to this.
In any of the above-described embodiment, it is preferable that preset time t 1 is 7 minutes;Preset time t 2 is 5 minutes.
In this embodiment, when implementing, preset time t 1 and preset time t 2 can be adjusted according to actual condition It is whole.
As shown in fig. 7, the schematic block diagram of heat pump according to an embodiment of the invention.Wherein, heat pump 700 Including heat pump, thermal source, the judgment means 702 for also being come off including the heat pump temperature sensor in any of the above-described embodiment.Cause This has the technique effect of the whole of judgment means 702 that the heat pump temperature sensor in any of the above-described embodiment comes off, This is repeated no more.
Specific embodiment, as shown in figure 8, heat pump heating/refrigeration system, including heat pump main frame 822, water/fluorine heat exchanger 802nd, each auxiliary thermal source, each temperature sensor.Heat pump main frame 822 undertakes and mainly heats/refrigerating function, by refrigerant by heat/ Cold exchanges feedwater in water/fluorine heat exchanger, and realization heats/refrigerating function;Auxiliary thermal source feedwater provides additional heat source;Heat Pump main frame, auxiliary thermal source can be switched on or off individually according to demand.Wherein, return water temperature sensor 804 is i.e. from user end 820 Total water return outlet temperature sensor of unit is returned to, the temperature that it is detected is exactly the total return water temperature of unit;1st leaving water temperature sensors 806 for water/fluorine heat exchanger 802 outlet temperature sensor, namely the 1st auxiliary thermal source 814 water inlet temperature sensor, it The temperature of detection for water/fluorine heat exchanger 802 leaving water temperature, that is, the 1st auxiliary thermal source 814 inflow temperature;2nd goes out water temperature Degree sensor 808 be the outlet temperature sensor of auxiliary thermal source 1, namely auxiliary thermal source 2 water inlet temperature sensor, it detect Temperature be the 1st auxiliary thermal source 814 leaving water temperature, that is, the 2nd auxiliary thermal source 816 inflow temperature.By that analogy.
When system carries out heating operation, water/fluorine heat exchanger 802 is entered from the high temperature refrigerant out of heat pump main frame 822 In, exchanged heat with the water in water system.After system return is heated, successively into the 1st auxiliary thermal source 814, the 2nd auxiliary thermal source The heat of auxiliary thermal source is absorbed in 816 ... n-th auxiliary thermal sources 818, is gradually heated by the sonochemical activity, finally entered end 818 and pass heat To indoor environment, become low-temperature return water.In heating operations, heat pump main frame 822, each auxiliary thermal source can be distinguished according to demand Choose whether work.
When system carries out refrigerating operaton, water/fluorine heat exchanger 802 is entered from the low-temperature refrigerant out of heat pump main frame 822 In, exchanged heat with the water in water system.After system return is lowered the temperature, successively by the 1st auxiliary thermal source 814, the 2nd auxiliary thermal source 816 ... n-th auxiliary thermal sources 818, finally enter end 818 and cold are transmitted into indoor environment, become high-temperature tempering.Transported in refrigeration During row, each auxiliary thermal source does not work.
Judge that each temperature sensor comes off to specifically include:
1st, when system carries out heating operation:System detects heat pump main frame 822, each auxiliary thermal source working condition first, not work The part of work, its outlet temperature is thought less than or equal to its inlet temperature.
Along supplying hot water direction, using total backwater as the thermal source (water/fluorine heat exchanger 802 is also a thermal source) of import as Sequence benchmark heat exchanger is designated as Heater1, and its inlet temperature sensor is designated as T_sensor0 for return water temperature sensor, detection Water temperature be designated as T0, its outlet temperature sensor is designated as T_sensor1, and the water temperature of detection is designated as T1;Along supplying hot water direction Two thermals source are designated as Heater2, and its outlet temperature sensor is designated as T_sensor2, and the water temperature of detection is designated as T2;By that analogy, N-th thermal source is designated as Heater (n), and its outlet temperature sensor is designated as T_sensor (n), and the water temperature of detection is designated as Tn.With One thermal source of work is used as judgment standard, it is assumed that n-th heat source H eater (n) is judgment standard thermal source.Then
(1) temperature sensor for T_sensor (n) and its backward, if the temperature T continuous times t_ of its detection Test meet T-T (n-1)≤0, then the temperature sensor be judged as release failure;
(2) for advancing to the temperature sensor of T_sensor0 from T_sensor (n-1), if temperature T of its detection is even Continuous time t_test meets T-T (n-1)<0, then the temperature sensor be judged as release failure;
(3) release failure judgement is not carried out to T_sensor (n-1).
Whenever thering is thermal source to stop in system or starting, t_station after a while is needed, treat that system temperature is eliminated suddenly Judgment standard thermal source can be redefined after the influence of change carries out temperature sensor release failure judgement.
2nd, when system carries out refrigerating operaton:When system carries out refrigerating operaton, auxiliary thermal source is not turned on.Along cooling water side To water/fluorine heat exchanger 802 is designated as Cooler1 as sequence benchmark heat exchanger, and its inlet temperature sensor is sensed for return water temperature Device 804 is designated as T_sensor0, and the water temperature of detection is designated as T0, and its outlet temperature sensor is designated as T_sensor1, the water temperature of detection It is designated as T1;Heater2 is designated as along second thermal source of water supply direction, its outlet temperature sensor is designated as T_sensor2, detection Water temperature is designated as T2;By that analogy, n-th thermal source is designated as Cooler (n), and its outlet temperature sensor is designated as T_sensor (n), inspection The water temperature of survey is designated as Tn.Using water/fluorine heat exchanger 802 as judgment standard, water/working time of fluorine heat exchanger 802 reaches t_ After station, then
(1) for from T_sensor1 up to the temperature sensor of T_sensor (n), if its detection temperature T consecutive hourss Between t_test meet T-T0≤0, then the temperature sensor is judged as release failure;
(2) release failure judgement is not carried out to T_sensor0.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair Change, equivalent, improvement etc., should be included within the scope of the present invention.

Claims (13)

1. the determination methods that a kind of heat pump temperature sensor comes off, the heat pump include heat pump, water/fluorine heat exchanger, Thermal source, temperature sensor, it is characterised in that when the heat pump is in heating mode, the determination methods include:
Along the direction that thermal medium advances, detect and judge that whether the heat pump and the thermal source, in work, determine first work The thermal source of work;
Using the thermal source of the first job as judgment standard;
According to the criterion, and judge whether the temperature sensor comes off according to preset rules;
Wherein, the thermal source includes the water/fluorine heat exchanger and multiple auxiliary thermal sources, and the temperature sensor includes return water temperature Sensor and multiple water routes temperature sensor.
2. the determination methods that heat pump temperature sensor according to claim 1 comes off, it is characterised in that the basis The criterion, the specific steps whether each temperature sensor comes off are judged according to preset rules, including:
When it is determined that thermal source described in n-th is the judgment standard, for the described each TEMP behind thermal source described in n-th The temperature T of any temperature sensor detection in device, if in preset time t 1, (n-1)≤0 then judges described appointing to meet T-T One temperature sensor comes off;
For the temperature T that any temperature sensor in the described each temperature sensor before (n-1)th thermal source is detected, if In preset time t 1, T-T (n-1) is met<0, then judge that any temperature sensor comes off;Wherein
T (n-1) is the temperature of the corresponding leaving water temperature sensors detection of described (n-1)th thermal source;
Leaving water temperature sensors corresponding for (n-1)th thermal source do not carry out release failure judgement.
3. the determination methods that heat pump temperature sensor according to claim 2 comes off, it is characterised in that whenever When stating thermal source stopping or starting, by after preset time t 2, redefining the judgment standard;And re-start each temperature The judgement whether degree sensor comes off.
4. the determination methods that heat pump temperature sensor according to claim 1 comes off, it is characterised in that when the heat When pumping system is in refrigeration mode, the determination methods also include:
Along the direction that cold medium is advanced, using the water/fluorine heat exchanger as the judgment standard;
After the water/fluorine heat exchanger working time reaches preset time t 2, for described each behind the water/fluorine heat exchanger The temperature T of any water route temperature sensor detection in temperature sensor, in preset time t 1, meets T-T0 >=0, then judge Any water route temperature sensor comes off;Wherein
The T0 is the temperature of the return water temperature sensor detection;
Do not judge for the return water temperature sensor.
5. the determination methods that heat pump temperature sensor according to any one of claim 1 to 4 comes off, its feature exists In,
The scope of the preset time t 1:6 to 10 minutes;
The scope of the preset time t 2:3 to 6 minutes.
6. the determination methods that heat pump temperature sensor according to claim 5 comes off, it is characterised in that described default Time t1 is 7 minutes;The preset time t 2 is 5 minutes.
7. the judgment means that a kind of heat pump temperature sensor comes off, the heat pump include heat pump, water/fluorine heat exchanger, Thermal source, temperature sensor, it is characterised in that when the heat pump is in heating mode, the judgment means include:
Whether detection unit, for the direction advanced along thermal medium, detect and judge the heat pump and the thermal source in work, Determine the thermal source of first job;
First determining unit, for using the thermal source of the first job as judgment standard;
First judging unit, for according to the criterion, and judges whether the temperature sensor takes off according to preset rules Fall;
Wherein, the thermal source includes the water/fluorine heat exchanger and multiple auxiliary thermal sources, and the temperature sensor includes return water temperature Sensor and multiple water routes temperature sensor.
8. the judgment means that heat pump temperature sensor according to claim 7 comes off, it is characterised in that described first Judging unit, specifically for:
When it is determined that thermal source described in n-th is the judgment standard, for the described each TEMP behind thermal source described in n-th The temperature T of any temperature sensor detection in device, if in preset time t 1, (n-1)≤0 then judges described appointing to meet T-T One temperature sensor comes off;
For the temperature T that any temperature sensor in the described each temperature sensor before (n-1)th thermal source is detected, if In preset time t 1, T-T (n-1) is met<0, then judge that any temperature sensor comes off;Wherein
T (n-1) is the temperature of the corresponding leaving water temperature sensors detection of described (n-1)th thermal source;
Leaving water temperature sensors corresponding for (n-1)th thermal source do not carry out release failure judgement.
9. the judgment means that heat pump temperature sensor according to claim 8 comes off, it is characterised in that described first Determining unit, is additionally operable to whenever having the thermal source to stop or start, by after preset time t 2, redefining the judgement base It is accurate;And
First judging unit, is additionally operable to according to the criterion for redefining, and judges described according to preset rules Whether each temperature sensor comes off.
10. the judgment means that heat pump temperature sensor according to claim 7 comes off, it is characterised in that when described When heat pump is in refrigeration mode, the judgment means also include:
Second determining unit, for the direction advanced along cold medium, using the water/fluorine heat exchanger as judgment standard;
Second judging unit, for after the water/fluorine heat exchanger working time reaches preset time t 2,
The temperature of any water route temperature sensor detection in for the described each temperature sensor behind the water/fluorine heat exchanger T, in preset time t 1, meets T-T0 >=0, then judge that any water route temperature sensor comes off;Wherein
The T0 is the temperature of the return water temperature sensor detection;
Do not judge for the return water temperature sensor.
The judgment means that the 11. heat pump temperature sensor according to any one of claim 7 to 10 comes off, its feature It is,
The scope of the preset time t 1:6 to 10 minutes;
The scope of the preset time t 2:3 to 6 minutes.
The judgment means that 12. heat pump temperature sensors according to claim 11 come off, it is characterised in that described pre- If time t1 is 7 minutes;The preset time t 2 is 5 minutes.
A kind of 13. heat pumps, the heat pump include heat pump, thermal source, it is characterised in that also including such as claim 7 to The judgment means that heat pump temperature sensor any one of 12 comes off.
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