CN104750120A - PTC heating system control method and PTC heating system - Google Patents
PTC heating system control method and PTC heating system Download PDFInfo
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- CN104750120A CN104750120A CN201310729144.6A CN201310729144A CN104750120A CN 104750120 A CN104750120 A CN 104750120A CN 201310729144 A CN201310729144 A CN 201310729144A CN 104750120 A CN104750120 A CN 104750120A
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Abstract
The invention discloses a PTC heating system control method comprising the following steps: S1, opening a PTC drive module to enable a PTC heating module to be switched between a reset area and a work area and tracking the position of the PTC heating module through a PTC position detection module when the PTC heating module is in a first temperature state; S2, judging whether the position moving track of the PTC heating module detected by the PTC position detection module satisfies preset conditions; S3, closing the PTC drive module and controlling the PTC heating module to be in a closed state if the position moving track of the PTC heating module detected by the PTC position detection module does not satisfy the preset conditions; and S4, closing the PTC drive module and opening the PTC heating module if the position moving track of the PTC heating module detected by the PTC position detection module satisfies the preset conditions. By adopting the control method, whether the PTC position detection module and the PTC drive module fail can be judged accurately, so that that the PTC heating module does not produce error actions is ensured, and the safety and reliability of the PTC heating system are improved. The invention further discloses a PTC heating system.
Description
Technical field
The present invention relates to electric heating control technical field, particularly a kind of PTC(Positive TemperatureCoefficient, positive temperature coefficient (PTC)) control method of heating system and a kind of PTC heating system.
Background technology
At present, be with the thermantidote of PTC electro-heat equipment, heating product very many.If the position of movement is improper during the work of PTC electro-heat equipment, directly can has influence on the heating effect of PTC electro-heat equipment, even can cause security incident.
In the related, as shown in Figure 1, OUT position-detection sensor is set in PTC workspace respectively and IN position-detection sensor is set in PTC reset district, by detecting PTC electro-heat equipment in PTC workspace or the unlatching of PTC reset district's control PTC electro-heat equipment or closedown.Wherein, open the control method of PTC electro-heat equipment as shown in Figure 2, close the control method of PTC electro-heat equipment as shown in Figure 3.
As can be seen from the control method of Fig. 2, Fig. 3, there is following shortcoming in the control program of the PTC electro-heat equipment in correlation technique:
If 1 position-detection sensor can't detect useful signal (such as PTC gearing has fault) always, PTC gearing can start always, and then sends mechanicalness noise, causes negative impact to the use of user;
If 2 position-detection sensors exist fault, can't detect useful signal (such as: circuit disconnection, position-detection sensor normal off are opened) always, there is above-mentioned shortcoming equally; Further, if position-detection sensor fault causes line short, controller can think PTC electro-heat equipment by mistake in PTC workspace, open heating at once, but now the position of PTC electro-heat equipment cannot be determined, if not in PTC workspace, this probably causes fire failure;
3, PTC electro-heat equipment is in the course of work of heating, and due to mechanical fault reason, cause PTC electro-heat equipment to run from PTC workspace, but controller does not cut out PTC electro-heat equipment in time, this also probably causes fire.
Therefore, need to improve the control program of the PTC electro-heat equipment in correlation technique.
Summary of the invention
Object of the present invention is intended at least solve one of above-mentioned technological deficiency.
For this reason, first object of the present invention is the control method proposing a kind of positive temperature coefficient (PTC) PTC heating system, accurately can judge whether PTC position detecting module and PTC transmission module break down to guarantee that PTC heating module does not produce misoperation, improve the safety and reliability of PTC heating system.
Second object of the present invention is to propose a kind of positive temperature coefficient (PTC) PTC heating system.
For achieving the above object, one aspect of the present invention embodiment proposes a kind of control method of positive temperature coefficient (PTC) PTC heating system, wherein, described PTC heating system comprises PTC heating module, PTC transmission module, PTC position detecting module and blower fan air-supply module, described control method comprises the following steps: S1, when described PTC heating module is in the first state of temperature, open described PTC transmission module to switch between reset district and workspace to make described PTC heating module, by described PTC position detecting module, position tracking is carried out to described PTC heating module simultaneously; S2, judges whether the position motion track of the described PTC heating module that described PTC position detecting module detects meets pre-conditioned; S3, if judgement does not meet described pre-conditioned, then closes described PTC transmission module, and controls described PTC heating module maintenance closed condition; S4, if judgement meets described pre-conditioned, then closes described PTC transmission module, opens described PTC heating module.
According to the control method of the PTC heating system of the embodiment of the present invention, when PTC heating module is in the first state of temperature, open PTC transmission module to switch between reset district and workspace to make PTC heating module, by PTC position detecting module, position tracking is carried out to PTC heating module simultaneously, and judge whether the position motion track of the PTC heating module that PTC position detecting module detects meets pre-conditioned, if judgement does not meet pre-conditioned, then close PTC transmission module, and control PTC heating module keeps closed condition, if judgement meets pre-conditioned, close PTC transmission module, and open PTC heating module, thus accurately can judge whether PTC position detecting module and PTC transmission module break down to guarantee that PTC heating module does not produce misoperation, improve the safety and reliability of PTC heating system.Further, also reduce the negative effect that fault is brought user, fully meet the needs of user.
According to one embodiment of present invention, if when described PTC position detecting module detects that described PTC heating module switches to described workspace from described reset district in the first Preset Time, judge that the position motion track of described PTC heating module meets described pre-conditioned; If when in described first Preset Time, described PTC position detecting module detects that described PTC heating module switches to described reset district from described workspace, judge that the position motion track of described PTC heating module meets described pre-conditioned, continue to control described PTC transmission module and be in described workspace to make described PTC heating module.
According to one embodiment of present invention, when described PTC heating module is in the second state of temperature, open described PTC heating module, and control described PTC transmission module maintenance closed condition.
Further, in the heating process of described PTC heating module, also comprise: described PTC position detecting module carries out position tracking to described PTC heating module always; When described PTC heating module is not in described workspace, close described PTC heating module.
According to one embodiment of present invention, in step s3, also comprise: judge that described PTC transmission module and/or described PTC position detecting module exist fault, and send alarm.
According to one embodiment of present invention, before step S1, open described blower fan air-supply module, and the blower fan controlled in described blower fan air-supply module carries out work with preset gear.
According to one embodiment of present invention, in the heating process of described PTC heating module, if directly close described PTC heating system, then close described PTC heating module and the blower fan controlled in described blower fan air-supply module carries out work with most high tap position, until after the second Preset Time, close described blower fan air-supply module.
Further, when after closedown described blower fan air-supply module, open described PTC transmission module, wherein, judge whether described PTC position detecting module detects that described PTC heating module switches to described reset district from described workspace in the first Preset Time; If so, described PTC transmission module is closed; If not, send alarm, and close described PTC transmission module.
For achieving the above object, a kind of positive temperature coefficient (PTC) PTC heating system that the present invention's another aspect embodiment proposes, comprising: PTC heating module, blower fan air-supply module, PTC transmission module, described PTC transmission module switches between reset district and workspace for controlling described PTC heating module, PTC position detecting module, described PTC position detecting module is used for carrying out position tracking to described PTC heating module, central processing module, described central processing module and described PTC heating module, blower fan air-supply module, PTC transmission module is connected respectively with PTC position detecting module, described central processing module is for opening described blower fan air-supply module, when judging that described PTC heating module is in the first state of temperature, open described PTC transmission module, and judge whether the position motion track of the described PTC heating module that described PTC position detecting module detects meets pre-conditioned, and judge do not meet described pre-conditioned time, described central processing module closes described PTC transmission module, and control described PTC heating module maintenance closed condition, meet described pre-conditioned in judgement, described central processing module closes described PTC transmission module, and open described PTC heating module.
According to the PTC heating system of the embodiment of the present invention, after central processing module controls the unlatching of blower fan air-supply module, when judging that PTC heating module is in the first state of temperature, open PTC transmission module to switch between reset district and workspace to make PTC heating module, according to PTC position detecting module, position tracking is carried out to PTC heating module simultaneously, and judge whether the position motion track of the PTC heating module that PTC position detecting module detects meets pre-conditioned, if judgement does not meet pre-conditioned, then close PTC transmission module, and control PTC heating module keeps closed condition, thus accurately can judge whether PTC position detecting module and PTC transmission module break down to guarantee that PTC heating module does not produce misoperation, improve the safety and reliability of PTC heating system.Further, also reduce the negative effect that fault is brought user, fully meet the needs of user.
According to one embodiment of present invention, if when in the first Preset Time, described PTC position detecting module detects that described PTC heating module switches to described workspace from described reset district, described in described central processing module judges, the position motion track of PTC heating module meets described pre-conditioned; If when in described first Preset Time, described PTC position detecting module detects that described PTC heating module switches to described reset district from described workspace, described in described central processing module judges, the position motion track of PTC heating module meets described pre-conditioned, and the described PTC transmission module of continuation control is in described workspace to make described PTC heating module.
According to one embodiment of present invention, when PTC heating module is in the second state of temperature described in described central processing module judges, open described PTC heating module, and control described PTC transmission module maintenance closed condition.
And, in the heating process of described PTC heating module, described PTC position detecting module carries out position tracking to described PTC heating module always, and when described PTC heating module is not in described workspace, described central processing module closes described PTC heating module.
According to one embodiment of present invention, judge do not meet described pre-conditioned time, there is fault in PTC transmission module described in described central processing module judges and/or described PTC position detecting module, and sends alarm.
According to one embodiment of present invention, in the heating process of described PTC heating module, described central processing module is when receiving the instruction of directly closing described PTC heating system, close described PTC heating module and the blower fan controlled in described blower fan air-supply module carries out work with most high tap position, until after the second Preset Time, close described blower fan air-supply module.
And, after described central processing module closes described blower fan air-supply module, open described PTC transmission module, and judge whether described PTC position detecting module detects that described PTC heating module switches to described reset district from described workspace in the first Preset Time, wherein, if so, described central processing module closes described PTC transmission module; If not, described central processing module sends alarm, and closes described PTC transmission module.
The aspect that the present invention adds and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or additional aspect and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, wherein:
Fig. 1 is PTC electro-heat equipment in correlation technique at the schematic diagram of workspace and the movement of reset district;
Fig. 2 is the process flow diagram of the control method of opening PTC electro-heat equipment in correlation technique;
Fig. 3 is the process flow diagram of the control method of closing PTC electro-heat equipment in correlation technique;
Fig. 4 is the process flow diagram of the control method of PTC heating system according to the embodiment of the present invention;
Fig. 5 is the block diagram of the PTC heating system according to the embodiment of the present invention;
Fig. 6 is the process flow diagram of the method judging OUT-IN signal validity according to an embodiment of the invention;
Fig. 7 is the process flow diagram of the method judging IN-OUT signal validity according to an embodiment of the invention;
Fig. 8 is the process flow diagram of the control method of the PTC heating system when there being warm braw demand according to the present invention's specific embodiment;
Control flow chart when Fig. 9 is PTC heating module work according to an embodiment of the invention;
Figure 10 be according to an embodiment of the invention under warm braw shelves state directly shutdown time the process flow diagram of control method of PTC heating system;
Figure 11 is the process flow diagram of control method of the PTC heating system in accordance with another embodiment of the present invention when closing warm braw shelves; And
Figure 12 is the process flow diagram of the control method of the PTC heating system when closing warm braw shelves and shutting down afterwards according to another embodiment of the present invention.
Reference numeral:
PTC heating module 10, PTC transmission module 20, PTC position detecting module 30, blower fan air-supply module 40 and central processing module 50.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention.In addition, the present invention can in different example repeat reference numerals and/or letter.This repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the invention provides and the example of material, but those of ordinary skill in the art can recognize the property of can be applicable to of other techniques and/or the use of other materials.In addition, fisrt feature described below second feature it " on " structure can comprise the embodiment that the first and second features are formed as directly contact, also can comprise other feature and be formed in embodiment between the first and second features, such first and second features may not be direct contacts.
In describing the invention, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
Control method and the PTC heating system of the PTC heating system proposed according to the embodiment of the present invention are described with reference to the accompanying drawings.
Fig. 4 is the process flow diagram of the control method of PTC heating system according to the embodiment of the present invention, and Fig. 5 is the block diagram of the PTC heating system according to the embodiment of the present invention.Wherein, as shown in Figure 5, PTC heating system comprises PTC heating module, PTC transmission module, PTC position detecting module and blower fan air-supply module.
As shown in Figure 4, the control method of the PTC heating system of the embodiment of the present invention comprises the following steps:
S1, when PTC heating module is in the first state of temperature, opens PTC transmission module and switches between reset district and workspace to make PTC heating module, carry out position tracking simultaneously by PTC position detecting module to PTC heating module.
According to one embodiment of present invention, when PTC heating module is in the second state of temperature, open PTC heating module, and control PTC transmission module keeps closed condition, wherein, the temperature range that the second state of temperature is corresponding is greater than temperature range corresponding to the first state of temperature.
That is, in an embodiment of the present invention, first detect PTC heating module and be in the first state of temperature or be in the second state of temperature, namely say, judge that PTC heating module is hot or cold.Particularly, with PTC heating module open become close that moment start timing, if timing time is in 60 seconds, then namely judge that PTC heating module is in the second state of temperature is hot, if timing time was more than 60 seconds, then namely judge that PTC heating module is in the first state of temperature is cold.
And, according to one embodiment of present invention, PTC position detecting module comprises OUT position-detection sensor and IN position-detection sensor, whether OUT position-detection sensor is in workspace for detecting PTC heating module, and export OUT signal, whether IN position-detection sensor is in reset district for detecting PTC heating module, and exports IN signal.
Wherein, when judging OUT signal, only judge the validity of OUT signal, namely detect that PTC heating module then judges that on PTC workspace OUT signal is effective; When judging IN signal, only judge the validity of IN signal, namely PTC heating module then judges that IN signal is effective in PTC reset district.
In an embodiment of the present invention, by PTC position detecting module, position tracking is carried out to PTC heating module, can be: detect OUT-IN signal by PTC position detecting module namely detect PTC heating module and complete the position motion track once being switched to PTC reset district by PTC workspace.
Particularly, as shown in Figure 6, judge that the method for OUT-IN signal validity comprises the following steps:
S601, first detects OUT signal, and judges that whether OUT signal is effective and whether IN signal is invalid.If so, then step S602 is performed; If not, then return step S601, continue to judge.
S602, then detect IN signal, and judge that whether IN signal is effective and whether OUT signal is invalid.If so, then step S603 is performed; If not, then return step S602, continue to judge.
S603, judges that OUT-IN signal is effective.
And, by PTC position detecting module, position tracking is carried out to PTC heating module, can also be: detect IN-OUT signal by PTC position detecting module namely detect PTC heating module and complete the position motion track once being switched to PTC workspace by PTC reset district.
Particularly, as shown in Figure 7, judge that the method for IN-OUT signal validity comprises the following steps:
S701, first detects IN signal, and judges that whether IN signal is effective and whether OUT signal is invalid.If so, then step S702 is performed; If not, then return step S701, continue to judge.
S702, then detect OUT signal, and judge that whether OUT signal is effective and whether IN signal is invalid.If so, then step S703 is performed; If not, then return step S702, continue to judge.
S703, judges that IN-OUT signal is effective.
Judge operation by IN-OUT signal, OUT-IN input, PTC position detecting module can be judged, whether PTC transmission module exist fault, and then correctly could judge next step operation.Therefore, when the control method of the PTC heating system of the embodiment of the present invention can ensure that PTC position detecting module and PTC transmission module are in normal operating conditions, just carry out next step control.
S2, judges whether the position motion track of the PTC heating module that PTC position detecting module detects meets pre-conditioned.
S3, if judgement does not meet pre-conditioned, then close PTC transmission module, and control PTC heating module keeps closed condition.
S4, if judgement meets pre-conditioned, then closes PTC transmission module, and opens PTC heating module.
In one embodiment of the invention, if when in the first Preset Time such as 2 minutes, PTC position detecting module detects that PTC heating module switches to workspace from reset district, judge that the position motion track of PTC heating module meets pre-conditioned, and close PTC transmission module, open PTC heating module.
Particularly, as shown in Figure 8, when there being warm braw demand, the control method of above-mentioned PTC heating system comprises the following steps:
S801, judges whether to open warm braw shelves.If so, next step S802 is performed; If not, return step S801, continue to judge.
S802, judges that whether or heat PTC heating module.If, perform step S811, at this moment illustrate that PTC heating module is worked, and the function of each module is normal, does not have fault, and, shut-in time was less than 60 seconds, can directly open PTC heating module, not need the position motion track again detecting PTC heating module whether to meet pre-conditioned, such as, do not need the validity again detecting IN-OUT signal.If not, next step S803 is performed.
In one embodiment of the invention, judging that PTC heating module is whether or before warm, also first to open blower fan air-supply module, and the blower fan controlled in blower fan air-supply module carries out work with preset gear, namely say, when there being warm braw demand, central processing module opens the putting in blast of blower fan air-supply module at first, then performs step S802.
S803, opens PTC transmission module.
S804, detects IN-OUT signal.
S805, judges that whether IN-OUT signal is effective.If so, step S806 is performed; If not, step S807 is performed.
S806, closes PTC transmission module, and performs step S811.
S807, judges whether timing in 2 minutes arrives.If so, step S808 is performed; If not, step S803 is returned.
S808, sends 2 minutes and arrives user reminding, and such as 3 sound hummer sounds, enter next step S809.That is, when judging not meet pre-conditioned, judging that PTC transmission module and/or PTC position detecting module exist fault, and sending alarm.
S809, closes PTC transmission module, and performs next step S810.
S810, closes PTC heating module.
S811, opens PTC heating module.
That is, if PTC heating module is not hot, needed the detection of an IN-OUT signal to operate, to guarantee that PTC position detecting module and PTC transmission module are intact.First open PTC transmission module, open countdown in 2 minutes, PTC heating module starts mobile.Meanwhile, the positional information of PTC heating module is passed to central processing module by PTC position detecting module.Central processing module CPU, after IN-OUT signal accurately being detected, closes PTC transmission module, opens PTC heating module.
If failed IN-OUT signal to be detected exactly in 2 minutes, central processing module can determine to there is fault in PTC position detecting module and/or PTC transmission module, cannot determine PTC heating module whether in PTC workspace.Central processing module exports No. 3 hummer crys, with reminding user.Close PTC transmission module at once, control PTC heating module keeps closed condition simultaneously.Therefore, the control method of the PTC heating system of the embodiment of the present invention can termination machine fault automatically, and reminding user, thus reduces the negative effect that fault brings user.
In addition, if when in the first Preset Time such as 2 minutes, PTC position detecting module detects that PTC heating module switches to reset district from workspace, judge that the position motion track of PTC heating module meets pre-conditioned, when continuing control PTC transmission module to make PTC heating module be in workspace, close PTC transmission module, open PTC heating module.
Therefore, in 2 minutes, no matter detect that PTC heating module switches to reset district from workspace, still detect that PTC heating module switches to workspace from reset district, can judge that the position motion track of PTC heating module meets pre-conditioned, and finally all will be in workspace by control PTC heating module.
Now, PTC heating module is in PTC workspace, and central processing module is opened PTC heating module and carried out heating work.Be illustrated in figure 9 the control flow during work of PTC heating module, it comprises the following steps:
S901, judges whether to open warm braw shelves.If so, step S902 is performed; If not, step S908 is performed.
S902, judges that whether IN-OUT signal is effective.If so, step S903 is performed; If not, step S906 is performed.
S903, judges whether PTC transmission module has stopped mobile.If so, step S904 is performed; If not, step S907 is performed.
S904, detects OUT signal and IN signal.
S905, judges that whether OUT signal is effective and whether IN signal is invalid.If so, step S906 is performed; If not, step S907 is performed.
S906, opens PTC heating module, returns step S901.
S907, closes PTC heating module, returns step S901.
S908, closes PTC heating module, terminates.
That is, in the heating process of PTC heating module, central processing module detects the validity of OUT signal and IN signal always, if central processing module detect OUT invalidating signal or IN signal effective, all close PTC heating module, can guarantee that PTC heating module just works in PTC workspace so further, improve safe reliability further.Namely say, in the heating process of PTC heating module, PTC position detecting module carries out position tracking to PTC heating module always, when PTC heating module is not in workspace, closes PTC heating module.
According to one embodiment of present invention, as shown in Figure 10, if directly shut down under warm braw shelves state, the control method of above-mentioned PTC heating system is further comprising the steps of:
S1001, judges whether to shut down under warm braw shelves state.If so, step S1002 is performed; If not, return step S1001, continue to judge.
S1002, closes PTC heating module.
S1003, the blower fan in control blower fan air-supply module is with the most high-grade operation.
S1004, judges whether the second Preset Time arrives for such as 1 minute.If so, step S1005 is performed; If not, return step S1004, continue to judge.
S1005, closes blower fan air-supply module.
That is, in the heating process of PTC heating module, if directly close PTC heating system namely directly to shut down under warm braw shelves state, then close PTC heating module and the blower fan controlled in blower fan air-supply module carries out work with most high tap position, until the second Preset Time is after such as 1 minute, close blower fan air-supply module.
S1006, opens PTC transmission module.
S1007, detects OUT-IN signal.
S1008, judges that whether OUT-IN signal is effective.If not, step S1009 is performed; If so, step S1011 is performed.
S1009, judges whether timing in 2 minutes arrives.If so, step S1010 is performed; If not, step S1006 is returned.
S1010, sends 2 minutes and arrives user reminding, and such as 3 sound hummer sounds, enter next step S1011.
S1011, closes PTC transmission module.
That is, when after closedown blower fan air-supply module, open PTC transmission module, wherein, judge whether PTC position detecting module detects that PTC heating module switches to reset district from workspace in the first Preset Time such as 2 minutes; If so, PTC transmission module is closed; If not, send alarm, and close PTC transmission module.
In an embodiment of the present invention, if directly shut down under warm braw shelves state, central processing module directly closes PTC heating module, then can dispel the heat the soonest in order to ensure PTC heating module, and central processing module controls blower fan air-supply module and runs 1 minute with the most high-grade wind speed.After 1 minute, central processing module closes blower fan air-supply module, opens PTC transmission module, detects OUT-IN signal simultaneously, PTC heating module is recovered to PTC reset district.
In one embodiment of the invention, when PTC heating system powers on, central processing module automatically can also be an OUT-IN and detect, to guarantee that PTC heating module returns to PTC reset district completely.
In another embodiment of the present invention, as shown in figure 11, if when closing warm braw shelves, the control method of above-mentioned PTC heating system is further comprising the steps of:
S1101, judges whether to close warm braw shelves.If so, step S1102 is performed; If not, return step S1101, continue to judge.
S1102, closes PTC heating module.
S1103, the blower fan controlled in blower fan air-supply module runs with current gear.
S1104, judges whether the second Preset Time arrives for such as 1 minute.If so, step S1105 is performed; If not, return step S1104, continue to judge.
S1105, opens PTC transmission module.
S1106, detects OUT-IN signal.
S1107, judges that whether OUT-IN signal is effective.If not, step S1108 is performed; If so, step S1110 is performed.
S1108, judges whether timing in 2 minutes arrives.If so, step S1109 is performed; If not, step S1105 is returned.
S1109, sends 2 minutes and arrives user reminding, and such as 3 sound hummer sounds, enter next step S1110.
S1110, closes PTC transmission module.
That is, after opening PTC transmission module, judge whether PTC position detecting module detects that PTC heating module switches to reset district from workspace in the first Preset Time such as 2 minutes; If so, PTC transmission module is closed; If not, send alarm, and close PTC transmission module.
In an embodiment of the present invention, if close warm braw shelves, central processing module directly closes PTC heating module, then controls blower fan air-supply module and runs 1 minute with current shelves wind speed.After 1 minute, central processing module opens PTC transmission module, detects OUT-IN signal simultaneously, PTC heating module is recovered to PTC reset district.
In yet another embodiment of the present invention, as shown in figure 12, if shut down after closing warm braw shelves, the control method of above-mentioned PTC heating system is further comprising the steps of:
S1201, judges whether to shut down after the warm braw of pass.If so, step S1202 is performed; If not, return step S1201, continue to judge.
S1202, judges whether PTC heating module is hot, has now closed PTC heating module.If so, step S1203 is performed; If not, step S1212 is performed.
S1203, the blower fan in control blower fan air-supply module is with the most high-grade operation.
S1204, continues to judge whether PTC heating module is hot.If so, step S1203 is returned; If not, step S1205 is performed.
S1205, closes blower fan air-supply module.
S1206, opens PTC transmission module.
S1207, detects OUT-IN signal.
S1208, judges that whether OUT-IN signal is effective.If not, step S1209 is performed; If not, step S1211 is performed.
S1209, judges whether timing in 2 minutes arrives.If so, step S1210 is performed; If not, step S1206 is returned.
S1210, sends 2 minutes and arrives user reminding, and such as 3 sound hummer sounds, enter next step S1211.
S1211, closes PTC transmission module.
S1212, closes blower fan air-supply module.
That is, when after closedown blower fan air-supply module, open PTC transmission module, wherein, judge whether PTC position detecting module detects that PTC heating module switches to reset district from workspace in the first Preset Time such as 2 minutes; If so, PTC transmission module is closed; If not, send alarm, and close PTC transmission module.
In an embodiment of the present invention, if shut down after closedown warm braw shelves, first central processing module judges whether PTC heating module is hot again.If PTC heating module is hot, can dispel the heat the soonest in order to ensure PTC heating module, central processing module controls blower fan air-supply module and runs with the most high-grade wind speed.Then continue to judge whether PTC heating module is hot, until PTC heating module cold after, central processing module closes blower fan air-supply module, opens PTC transmission module, and detection OUT-IN signal, is recovered to PTC reset district by PTC heating module simultaneously.
In sum, the control method of the PTC heat-generating system of the embodiment of the present invention provides the trace routine of complete set, ensure that the position-detection sensor in PTC position detecting module is working properly, and when position-detection sensor lost efficacy, guarantee that PTC heating module does not produce misoperation, improve safe reliability.Meanwhile, after PTC transmission module breaks down or after position-detection sensor breaks down, central processing module can accurately judge, and reduce the negative effect that fault produces the use of user.In addition, after fault occurs, can friendly reminding user, fully meet the needs of user.
According to the control method of the PTC heating system of the embodiment of the present invention, when PTC heating module is in the first state of temperature, open PTC transmission module to switch between reset district and workspace to make PTC heating module, by PTC position detecting module, position tracking is carried out to PTC heating module simultaneously, and judge whether the position motion track of the PTC heating module that PTC position detecting module detects meets pre-conditioned, if judgement does not meet pre-conditioned, then close PTC transmission module, and control PTC heating module keeps closed condition, thus accurately can judge whether PTC position detecting module and PTC transmission module break down to guarantee that PTC heating module does not produce misoperation, improve the safety and reliability of PTC heating system.Further, also reduce the negative effect that fault is brought user, and can alarm be sent when fault occurs, friendly reminding user, fully meet the needs of user.
As shown in Figure 5, the PTC heating system of the embodiment of the present invention comprises PTC heating module 10, PTC transmission module 20, PTC position detecting module 30, blower fan air-supply module 40 and central processing module 50.
Wherein, PTC transmission module 20 switches between reset district and workspace for control PTC heating module 10, and PTC position detecting module 30 is for carrying out position tracking to PTC heating module 10.Central processing module 50 and PTC heating module 10, blower fan air-supply module 40, PTC transmission module 20 is connected respectively with PTC position detecting module 30, central processing module 50 is for opening blower fan air-supply module 40, judging that PTC heating module 10 is in the first state of temperature and PTC heating module 10 as time cold, open PTC transmission module 20, and judge whether the position motion track of the PTC heating module 10 that PTC position detecting module 30 detects meets pre-conditioned, and judge do not meet described pre-conditioned time, central processing module 50 closes PTC transmission module 20, and control PTC heating module 10 keeps closed condition, judge meet described pre-conditioned time, central processing module 50 closes PTC transmission module 20, and open PTC heating module 10.
According to one embodiment of present invention, if when in the first Preset Time such as 2 minutes, PTC position detecting module 30 detects that PTC heating module 10 switches to described workspace from described reset district, it is described pre-conditioned that central processing module 50 judges that the position motion track of PTC heating module 10 meets, and close PTC transmission module 20, open PTC heating module 10; Or, if when in the first Preset Time such as 2 minutes, PTC position detecting module 30 detects that PTC heating module 10 switches to described reset district from described workspace, it is described pre-conditioned that central processing module 50 also judges that the position motion track of PTC heating module 10 meets, and when continuing control PTC transmission module 20 to make PTC heating module 10 be in described workspace, close PTC transmission module 20, open PTC heating module 10.
Therefore, in 2 minutes, no matter detect that PTC heating module 10 switches to reset district from workspace, still detect that PTC heating module 10 switches to workspace from reset district, can judge that the position motion track of PTC heating module 10 meets pre-conditioned, and finally all will be in workspace by control PTC heating module 10.
According to one embodiment of present invention, when central processing module 50 judges PTC heating module 10 to be in the second state of temperature and PTC heating module 10 is heat, open PTC heating module 10, and control PTC transmission module 20 keeps closed condition, wherein, the temperature range that the second state of temperature is corresponding is greater than temperature range corresponding to the first state of temperature.
Wherein, judge that PTC heating module 10 is hot or cold, particularly, with PTC heating module 10 open become close that moment start timing, if timing time is in 60 seconds, namely then judge that PTC heating module is in the second state of temperature is hot, if timing time was more than 60 seconds, then namely judge that PTC heating module is in the first state of temperature is cold.
When PTC heating module is heat, illustrate that PTC heating module is worked, and the function of each module is normal, there is no fault, further, the shut-in time, less than 60 seconds, can directly open PTC heating module, do not need the position motion track again detecting PTC heating module whether to meet pre-conditioned, such as, do not need the validity again detecting IN-OUT signal.
Further, in the heating process of PTC heating module 10, PTC position detecting module 30 carries out position tracking to PTC heating module 10 always, and when PTC heating module 10 is not in workspace, central processing module 50 closes PTC heating module 10.Namely say, in the heating process of PTC heating module 10, central processing module 50 detects the validity of OUT signal and IN signal always, if central processing module 50 detect OUT invalidating signal or IN signal effective, all close PTC heating module 10, can guarantee that PTC heating module 10 just works in PTC workspace so further, improve safe reliability further.
According to one embodiment of present invention, judge do not meet described pre-conditioned time, central processing module 50 judges that PTC transmission module 20 and/or PTC position detecting module 30 exist fault, and sends alarm.Such as, central processing module 50 exports No. 3 hummer crys, with reminding user.Close PTC transmission module 20, control PTC heating module 10 simultaneously at once and keep closed condition.Therefore, the PTC heating system of the embodiment of the present invention can termination machine fault automatically, and reminding user, thus reduces the negative effect that fault brings user.
According to one embodiment of present invention, in the heating process of PTC heating module 10, when central processing module 50 directly shuts down under warm braw shelves state when receiving the instruction of directly closing PTC heating system, close PTC heating module 10 and control blower fan in blower fan air-supply module 40 and carry out work with most high tap position, until the second Preset Time is after such as 1 minute, close blower fan air-supply module 40.
And, after central processing module 50 closes blower fan air-supply module 40, open PTC transmission module 20, and judge whether PTC position detecting module 30 detects that PTC heating module 10 switches to described reset district from described workspace in the first Preset Time such as 2 minutes, wherein, if so, central processing module 50 closes PTC transmission module 20; If not, central processing module 50 sends alarm, and closes PTC transmission module 20.
That is, in an embodiment of the present invention, if directly shut down under warm braw shelves state, central processing module 50 directly closes PTC heating module 10, then can dispel the heat the soonest in order to ensure PTC heating module 10, central processing module 50 controls blower fan air-supply module 40 and runs 1 minute with the most high-grade wind speed.After 1 minute, central processing module 50 closes blower fan air-supply module 40, opens PTC transmission module 20, detects OUT-IN signal simultaneously, PTC heating module 10 is recovered to PTC reset district.
According to the PTC heating system of the embodiment of the present invention, after central processing module controls the unlatching of blower fan air-supply module, when judging that PTC heating module is in the first state of temperature, open PTC transmission module to switch between reset district and workspace to make PTC heating module, according to PTC position detecting module, position tracking is carried out to PTC heating module simultaneously, and judge whether the position motion track of the PTC heating module that PTC position detecting module detects meets pre-conditioned, if judgement does not meet pre-conditioned, then close PTC transmission module, and control PTC heating module keeps closed condition, thus accurately can judge whether PTC position detecting module and PTC transmission module break down to guarantee that PTC heating module does not produce misoperation, improve the safety and reliability of PTC heating system.Further, also reduce the negative effect that fault is brought user, and can alarm be sent when fault occurs, friendly reminding user, fully meet the needs of user.
Describe and can be understood in process flow diagram or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiments of the invention person of ordinary skill in the field.
In flow charts represent or in this logic otherwise described and/or step, such as, the sequencing list of the executable instruction for realizing logic function can be considered to, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as computer based system, comprise the system of processor or other can from instruction execution system, device or equipment instruction fetch and perform the system of instruction) use, or to use in conjunction with these instruction execution systems, device or equipment.With regard to this instructions, " computer-readable medium " can be anyly can to comprise, store, communicate, propagate or transmission procedure for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium comprises following: the electrical connection section (electronic installation) with one or more wiring, portable computer diskette box (magnetic device), random-access memory (ram), ROM (read-only memory) (ROM), erasablely edit ROM (read-only memory) (EPROM or flash memory), fiber device, and portable optic disk ROM (read-only memory) (CDROM).In addition, computer-readable medium can be even paper or other suitable media that can print described program thereon, because can such as by carrying out optical scanning to paper or other media, then carry out editing, decipher or carry out process with other suitable methods if desired and electronically obtain described program, be then stored in computer memory.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple step or method can with to store in memory and the software performed by suitable instruction execution system or firmware realize.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: the discrete logic with the logic gates for realizing logic function to data-signal, there is the special IC of suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, also can be that the independent physics of unit exists, also can be integrated in a module by two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If described integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium mentioned can be ROM (read-only memory), disk or CD etc.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalency thereof.
Claims (15)
1. a control method for positive temperature coefficient (PTC) PTC heating system, is characterized in that, described PTC heating system comprises PTC heating module, PTC transmission module, PTC position detecting module and blower fan air-supply module, and described control method comprises the following steps:
S1, when described PTC heating module is in the first state of temperature, open described PTC transmission module to switch between reset district and workspace to make described PTC heating module, by described PTC position detecting module, position tracking is carried out to described PTC heating module simultaneously;
S2, judges whether the position motion track of the described PTC heating module that described PTC position detecting module detects meets pre-conditioned;
S3, if judgement does not meet described pre-conditioned, then closes described PTC transmission module, and controls described PTC heating module maintenance closed condition;
S4, if judgement meets described pre-conditioned, then closes described PTC transmission module, and opens described PTC heating module.
2. the control method of the PTC heating system as described in right 1, is characterized in that,
If when described PTC position detecting module detects that described PTC heating module switches to described workspace from described reset district in the first Preset Time, judge that the position motion track of described PTC heating module meets described pre-conditioned;
If when in described first Preset Time, described PTC position detecting module detects that described PTC heating module switches to described reset district from described workspace, judge that the position motion track of described PTC heating module meets described pre-conditioned, continue to control described PTC transmission module and be in described workspace to make described PTC heating module.
3. the control method of the PTC heating system as described in right 1, is characterized in that, when described PTC heating module is in the second state of temperature, opens described PTC heating module, and controls described PTC transmission module maintenance closed condition.
4. the control method of the PTC heating system as described in right 2 or 3, is characterized in that, in the heating process of described PTC heating module, also comprises:
Described PTC position detecting module carries out position tracking to described PTC heating module always;
When described PTC heating module is not in described workspace, close described PTC heating module.
5. the control method of the PTC heating system as described in right 1, is characterized in that, in step s3, also comprises:
Judge that described PTC transmission module and/or described PTC position detecting module exist fault, and send alarm.
6. the control method of the PTC heating system as described in right 1, is characterized in that, before step S1, opens described blower fan air-supply module, and the blower fan controlled in described blower fan air-supply module carries out work with preset gear.
7. the control method of the PTC heating system as described in right 4, it is characterized in that, in the heating process of described PTC heating module, if directly close described PTC heating system, then close described PTC heating module and the blower fan controlled in described blower fan air-supply module carries out work with most high tap position, until after the second Preset Time, close described blower fan air-supply module.
8. the control method of the PTC heating system as described in right 7, is characterized in that, when after closedown described blower fan air-supply module, opens described PTC transmission module, wherein,
Judge whether described PTC position detecting module detects that described PTC heating module switches to described reset district from described workspace in the first Preset Time;
If so, described PTC transmission module is closed;
If not, send alarm, and close described PTC transmission module.
9. a positive temperature coefficient (PTC) PTC heating system, is characterized in that, comprising:
PTC heating module;
Blower fan air-supply module;
PTC transmission module, described PTC transmission module switches between reset district and workspace for controlling described PTC heating module;
PTC position detecting module, described PTC position detecting module is used for carrying out position tracking to described PTC heating module;
Central processing module, described central processing module and described PTC heating module, blower fan air-supply module, PTC transmission module is connected respectively with PTC position detecting module, described central processing module is for opening described blower fan air-supply module, when judging that described PTC heating module is in the first state of temperature, open described PTC transmission module, and judge whether the position motion track of the described PTC heating module that described PTC position detecting module detects meets pre-conditioned, and judge do not meet described pre-conditioned time, described central processing module closes described PTC transmission module, and control described PTC heating module maintenance closed condition, meet described pre-conditioned in judgement, described central processing module closes described PTC transmission module, and open described PTC heating module.
10. the PTC heating system as described in right 9, is characterized in that,
If when in the first Preset Time, described PTC position detecting module detects that described PTC heating module switches to described workspace from described reset district, described in described central processing module judges, the position motion track of PTC heating module meets described pre-conditioned;
If when in described first Preset Time, described PTC position detecting module detects that described PTC heating module switches to described reset district from described workspace, described in described central processing module judges, the position motion track of PTC heating module meets described pre-conditioned, and the described PTC transmission module of continuation control is in described workspace to make described PTC heating module.
11. PTC heating systems as described in right 9, is characterized in that, when PTC heating module is in the second state of temperature described in described central processing module judges, open described PTC heating module, and control described PTC transmission module and keep closed condition.
12. PTC heating systems as described in right 10 or 11, it is characterized in that, in the heating process of described PTC heating module, described PTC position detecting module carries out position tracking to described PTC heating module always, and when described PTC heating module is not in described workspace, described central processing module closes described PTC heating module.
13. PTC heating systems as described in right 9, is characterized in that, judge not meet described pre-conditioned time, there is fault in PTC transmission module described in described central processing module judges and/or described PTC position detecting module, and sends alarm.
14. PTC heating systems as described in right 12, it is characterized in that, in the heating process of described PTC heating module, described central processing module is when receiving the instruction of directly closing described PTC heating system, close described PTC heating module and the blower fan controlled in described blower fan air-supply module carries out work with most high tap position, until after the second Preset Time, close described blower fan air-supply module.
15. PTC heating systems as described in right 14, it is characterized in that, after described central processing module closes described blower fan air-supply module, open described PTC transmission module, and judge whether described PTC position detecting module detects that described PTC heating module switches to described reset district from described workspace in the first Preset Time, wherein
If so, described central processing module closes described PTC transmission module;
If not, described central processing module sends alarm, and closes described PTC transmission module.
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