JP2009092322A - Air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To control an operation mode and a set temperature according to the calendar and provide a more effective and comfortable air conditioning condition. <P>SOLUTION: The air conditioner is equipped with a control device for automatically switching among heating, dehumidifying, and cooling operation modes according to the relation among an outside temperature, an indoor temperature, and a set temperature, a calendar storing means 7, and a set temperature changing means 11 for changing the set temperature according to the calendar of the calendar storing means 7. As the concept of the calendar and the set temperature is included in determining the operation mode, a more accurate operation mode can be selected for air conditioning requested by a user, a problem that a sensory temperature differs according to the season can be coped with, the user's demand can be finely met, and a more comfortable-feeling air conditioning can be provided. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an air conditioner in which an operation mode and a set temperature are controlled according to a calendar so that more efficient and comfortable air conditioning conditions can be obtained.

  In recent years, air conditioners equipped with means for automatically switching operation modes such as heating, cooling, and dehumidification according to room temperature are generally commercially available.

  In addition, when the room temperature and the outside air temperature are within a predetermined temperature range, there are some that select an operation mode according to a calendar (for example, see Patent Document 1).

It has also been reported that neutral declarations can be obtained thermally at lower temperatures in winter and higher temperatures in summer compared to spring and autumn.
Japanese Patent Laid-Open No. 5-118611

  However, in the conventional configuration, the operation mode is often determined only by the room temperature, and the dehumidifying operation may be performed in winter when the heating operation is more comfortable, and the operation is always performed in the comfortable operation mode. It had the problem that it was not.

  In addition, in the conventional configuration described in Patent Document 1, the operation mode is selected according to the calendar, but the set temperature set by the user does not affect the determination of the operation mode. For example, it is used during the rainy season. Even if the person feels cold and raises the set temperature, there is a problem that the operation is not necessarily performed in a comfortable operation mode, such as switching from the dehumidifying operation to the heating operation.

  Also, even if the same temperature is set in summer and winter, the user's perceived temperature varies depending on the season.For example, even if the same temperature is set in summer and winter, the perceived temperature varies greatly, so there is a big difference in how to feel It had a problem that occurred.

  In order to solve the conventional problem, the air conditioner of the present invention includes a set temperature changing unit that changes a set temperature according to the calendar of the calendar storage unit.

  As a result, for example, the user feels cold during the rainy season, and by raising the set temperature, the user can respond in detail to the user's request, such as switching from dehumidifying operation to heating operation, and the operation is performed in a comfortable operation mode. Is.

  The air conditioner of the present invention can cope with a problem that the temperature of sensation varies depending on the season, can respond to a user's request in detail, and can provide air conditioning that feels more comfortable.

A first invention is an air conditioner including a control device that automatically switches between heating, dehumidification, and cooling operation modes according to the relationship between an outside air temperature, a room temperature, and a set temperature, and has a calendar storage means. And by having a set temperature changing means for changing the set temperature according to the calendar of the calendar storage means,
The temperature can be corrected to an appropriate set temperature according to the calendar, and air conditioning conditions that are comfortable for the user can be provided.

  In particular, the air conditioner according to the first aspect of the present invention has an outside air temperature detecting means, and changes the set temperature according to the calendar and the outside air temperature obtained by the outside air temperature detecting means. By having the changing means, the temperature can be corrected to an appropriate set temperature according to the calendar and the outside air temperature, and air conditioning conditions that are comfortable for the user can be provided.

  In particular, the air conditioner according to the third aspect of the present invention has an indoor temperature detection means, and operates according to the calendar, the outside air temperature, the indoor temperature obtained by the indoor temperature detection means, and the set temperature. By having an operation mode change means for changing the mode, an appropriate operation mode can be selected and corrected to an appropriate set temperature according to the calendar, indoor temperature, and outside air temperature, and air conditioning conditions that are comfortable for the user can be achieved. Can be provided.

  According to a fourth aspect of the invention, in particular, the air conditioner according to the third aspect of the invention has an indoor humidity detecting means, and according to a calendar, an outside air temperature, an indoor temperature, an indoor humidity and a set temperature obtained by the indoor humidity detecting means. The operation mode changing means for changing the operation mode allows the user to select an appropriate operation mode according to the calendar, room temperature, outside air temperature, and room humidity and correct it to an appropriate set temperature. Can provide comfortable air-conditioning conditions.

  According to a fifth aspect of the present invention, in particular, the air conditioner according to any one of the first to fourth aspects of the present invention is configured by dividing a predetermined month into groups according to a plurality of seasons according to the calendar of the calendar storage means. Accordingly, it is possible to correct the temperature to an appropriate setting temperature or operation mode, and to provide comfortable air conditioning conditions for the user.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is a control block diagram of an operation mode and a set temperature control unit constituting a part of the air conditioner according to the first embodiment of the present invention.

  In FIG. 1, output signals from an indoor temperature sensor 1, an outdoor temperature sensor 2, an indoor humidity sensor 3, a set temperature receiver 4, and an operation mode receiver 5 are respectively input to a signal analysis means 8 via an input circuit 6. . From the calendar stored in the calendar memory 7 as the calendar storage means and the signal result input to the signal analysis means 8, the signal analysis means 8 determines the operation mode and the set temperature correction value, and the results are respectively output circuit 9 To the operation mode changing means 10 for controlling the operation mode and the set temperature changing means 11 for controlling the indoor set temperature, and the air conditioner of the present invention is controlled.

  FIG. 2 shows a relationship diagram between the calendar and the set temperature in the first embodiment of the present invention.

  In FIG. 2, when the calendar is January, February and December, the correction value ΔTd (Ta) a is added to the set temperature Td set by the user, and when the calendar is March and November. The correction value ΔTd (Ta) b is added to the set temperature Td. When the calendar is June and September, the correction value ΔTd (Ta) c is added to the set temperature Td and the calendar is July. In the case of August and August, the correction value ΔTd (Ta) d is added to the set temperature Td, and in the case of the calendar in April, May and October, no correction value is added to the set temperature Td. Is shown.

  Here, ΔTd (Ta) a to ΔTd (Ta) d mean variables that change according to the outside air temperature Ta. When the outside air temperature Ta is Ta> Th, when Tl ≦ Ta ≦ Th, It varies depending on the case of Ta <Tl.

Specifically, for example, when Ta> Th, ΔTd (Ta) a = −1.0 ° C., ΔTd (Ta) b = −0.5 ° C., ΔTd (Ta) c = + 0.5 ° C., ΔTd ( When Ta) d = + 1.0 ° C. and Tl ≦ Ta ≦ Th, ΔTd (Ta) a = −0.5 ° C., ΔTd (Ta) b = −0.5 ° C., ΔTd (Ta) c = + 0.5 ° C, ΔTd (Ta) d = + 1.0 ° C,
When Ta <Tl, ΔTd (Ta) a = −1.0 ° C., ΔTd (Ta) b = −0.5 ° C., ΔTd (Ta) c = + 0.5 ° C., ΔTd (Ta) d = + 1.0 ℃
It changes as follows. In this embodiment, the change in the outside air temperature Ta does not change at ΔTd (Ta) c = + 0.5 ° C., but it may of course be changed.

  Further, a predetermined month may be divided into groups corresponding to a plurality of seasons and managed by the group. For example, December, January, Winter: March: Late Winter, May: Spring, June: Early Summer, July, August: Summer, September: Late Summer, October: Autumn, November: Early Winter, The correction value ΔTd (Ta) a is added in the winter season (December, January and February), the correction value ΔTd (Ta) b is added in the early winter and late winter (March and November), and the early summer and late summer The correction value ΔTd (Ta) c may be added in (June and September), and the correction value ΔTd (Ta) d may be added in the summer (July and August).

  Thereby, it can correct | amend to suitable setting temperature according to a calendar | calender and external temperature.

  FIGS. 3A and 3B are explanatory diagrams of operation modes under predetermined conditions in January, February, and December in the first embodiment of the present invention, and FIGS. 4A and 4B are March. FIG. 5 (a) and FIG. 5 (b) show operation mode explanatory diagrams under predetermined conditions from April to October, respectively.

  In other words, FIGS. 3A and 3B are for winter, FIGS. 4A and 4B are for early winter and late winter, and FIGS. 5A and 5B are for predetermined conditions from spring to autumn. Each operation mode explanatory diagram is shown, and according to the calendar (season), the user automatically switches between heating, dehumidification and cooling operation modes without selecting a fixed operation mode such as cooling operation or heating operation. It shows what operation mode is operated for the indoor temperature Tr, the outdoor air temperature Ta, the indoor relative humidity Hr, and the set temperature Td set by the user when operated using the control. .

  3A, 4A, and 5A, the relationship between the set temperature Td and the room temperature Tr is Tb ≦ Td−Tr ≦ Tc, and the outside air temperature Ta is Tab ≦ Ta ≦ Taf. FIG. 6 is an explanatory diagram of an operation mode when the indoor relative humidity Hr is Ha ≦ Hr.

  3 (b), FIG. 4 (b), and FIG. 5 (b) show that the relationship between the set temperature Td and the room temperature Tr is Td−Tr <Tb, or Tc <Td−Tr, or the outside air temperature Ta is Ta <Tab, Or the operation mode explanatory drawing in case Taf <Ta or indoor relative humidity Hr is Hr <Ha is represented.

3A and 3B, when Tra ≦ Tr and Ta <Taa, the operation region Aa is satisfied. When Td−Trb ≦ Tr and Taa ≦ Ta <Tab, the operation region Ab is satisfied, and Td−Trc + Tg ≦ Tr. And when Tab ≦ Ta <Tac, the operation region Ac, when Td−Trd ≦ Tr and Tac ≦ Ta <Tad, the operation region Ad, when Te ≦ Tr and Tad ≦ Ta <Tae, the operation region Ae, Operation region Af when Te ≦ Tr and Tae ≦ Ta ≦ Taf, operation region Ag when Te ≦ Tr and Taf <Ta, operation region when Tr <Tra and Ta <Taa, or Tr <Tre Aa ′ and Tre ≦ Tr
<Td−Trb and Taa ≦ Ta <Tab, the operation region Ab ′, and Tre ≦ Tr <Td−Trc−Tg and Tab ≦ Ta <Tac, the operation region Ac ′, and Tre ≦ Tr <Td−Trd. And when Tac ≦ Ta <Tad, the operation region Ad ′.

  In FIG. 3A, the reheat dehumidifying operation is performed when the operation region is Ac, Ad, Ae, Af, Aa ′, Ac ′, and Ad ′. In FIG. 3B, heating operation is performed when the operation region is Aa ′, Ab ′, Ac ′, Ad ′, dehumidification operation is performed when the operation region is Aa, Ab, Ac, Ae, and the operation region is Af, When Ag, cooling operation is performed.

  4 (a) and 4 (b), when Tra ≦ Tr and Ta <Taa, the operation region Aa, and when Td−Trb ≦ Tr and Taa ≦ Ta <Tab, the operation region Ab, and Td−Trc + Ti ≦ Tr and The operation region Ac when Tab ≦ Ta <Tac, the operation region Ad when Td−Trd ≦ Tr and Tac ≦ Ta <Tad, and the operation region Ae when Te ≦ Tr and Tad ≦ Ta <Tae, Te ≦ Tr and Tae ≦ Ta ≦ Taf, operation region Af, Te ≦ Tr and Taf <Ta, operation region Ag, Tr <Tra and Ta <Taa, or Tr <Tre, operation region Aa ′, When Tre ≦ Tr <Td−Trb and Taa ≦ Ta <Tab, the operation region Ab ′, and Tre ≦ Tr <Td−Trc−Ti and Tab ≦ T When a <Tac, the operation region Ac ′ is satisfied. When Tre ≦ Tr <Td−Trd and Tac ≦ Ta <Tad, the operation region Ad ′ is satisfied.

In FIG. 4A, the reheat dehumidification operation is performed when the operation region is Ac, Ad, Ae, Af, Aa ′, Ac ′, and Ad ′. In FIG. 4B, when the operation region is Aa ′, Ab ′, Ac ′, Ad ′, the heating operation is performed, and when the operation region is Aa, Ab, Ac, Ae, the dehumidifying operation is performed, and the operation region is Af, When Ag, cooling operation is performed.
5 (a) and 5 (b), when Tra ≦ Tr and Ta <Taa, the operation region Aa, and when Td−Trb ≦ Tr and Taa ≦ Ta <Tab, the operation region Ab, and Td−Trc ≦ Tr and The operation region Ac when Tab ≦ Ta <Tac, the operation region Ad when Td−Trd ≦ Tr and Tac ≦ Ta <Tad, and the operation region Ae when Te ≦ Tr and Tad ≦ Ta <Tae, Te ≦ Tr and Tae ≦ Ta ≦ Taf, operation region Af, Te ≦ Tr and Taf <Ta, operation region Ag, Tr <Tra and Ta <Taa, or Tr <Tre, operation region Aa ′, And when Tre ≦ Tr <Td−Trb and Taa ≦ Ta <Tab, it is the operation region Ab ′, and Tre ≦ Tr <Td−Trc and Tab ≦ Ta <Tac. Is the operation region Ac ′, and when Tre ≦ Tr <Td−Trd and Tac ≦ Ta <Tad, the operation region Ad ′.

  In FIG. 5A, the reheat dehumidification operation is performed when the operation region is Ac, Ad, Ae, Af, Aa ′, Ac ′, Ad ′. In FIG. 5B, when the operation area is Aa ′, Ab ′, Ac ′, Ad ′, the heating operation is performed, and when the operation area is Aa, Ab, Ac, Ae, the dehumidifying operation is performed, and the operation area is Af, When Ag, cooling operation is performed.

  3, 4, and 5, as described above, show explanatory diagrams of operation modes under predetermined conditions of winter, early winter and late winter, spring to autumn, respectively, and the room temperature depends on the calendar (season). There is a difference that the threshold value for Tr is changed.

  Specifically, the threshold for the indoor temperature Tr in the condition settings of the operation areas Ac and Ac ′ is Td−Trc + Tg ≦ Tr in FIG. 3 (winter), and Td−Trc + Ti ≦ Tr in FIG. 4 (early winter and late winter). In FIG. 5 (from spring to autumn), Td−Trc ≦ Tr.

In the present embodiment, the reheat dehumidification operation is always performed in any of the cases (a) in FIGS. 3 to 5, but depending on the values of Tb, Tc, Trc, Trd, and Tg. (A)
May be out of the range of Tb ≦ Td−Tr ≦ Tc, and the condition (a) may not be satisfied.

Each numerical value is, for example,
Taa: 10 ° C, Tab: 18 ° C, Tac: 20 ° C, Tad: 25 ° C, Tae: 28 ° C, Taf: 30 ° C
Tra: 35 ° C, Trb: -8 ° C, Trc: + 5 ° C, Trd: + 3 ° C, Tre: 15 ° C
Tg: + 6 ° C, Ti: + 3 ° C
Ha: 70%
Tb: −3.0 ° C., Tc: + 3.0 ° C.

  The flow of control for determining the operation mode of the present embodiment for the air conditioner configured as described above will be described with reference to FIG.

  FIG. 6 shows a flowchart of control for determining the operation mode in the first embodiment of the present invention.

  In FIG. 6, when the automatic operation is selected in SP1, the process proceeds to SP6. When the automatic operation is not selected, the process proceeds to SP2, and when the cooling operation is selected, the process proceeds to SP19 and the cooling operation is determined. In SP2, when the cooling operation is not selected, the process proceeds to SP3, and when the dehumidifying operation is selected, the process proceeds to SP20 and the dehumidifying operation is determined. In SP3, when the cooling operation is not selected, the process proceeds to SP4, and when the heating operation is selected, the process proceeds to SP21 and the heating operation is determined. In SP4, when the heating operation is not selected, the process proceeds to SP5, and when the reheat dehumidifying operation is selected, the process proceeds to SP18 and the reheat dehumidifying operation is determined. When the reheat dehumidifying operation is not selected in SP2, the process proceeds to SP5 and it is determined that the air conditioner is not operated.

  In SP6, when the relationship between the temperature Td set by the user and the room temperature Tr is Tb ≦ Td−Tr ≦ Tc, the process proceeds to SP7, and when Tb ≦ Td−Tr ≦ Tc is not satisfied, the process proceeds to SP9. In SP7, when the outside air temperature Ta is Tab ≦ Ta ≦ Taf, the process proceeds to SP8, and when it is not Tab ≦ Ta ≦ Taf, the process proceeds to SP9. In SP8, when the indoor relative humidity Hr is Hr <Ha, the process proceeds to SP18, the reheat dehumidification operation is confirmed, and when not Hr <Ha, the process proceeds to SP9.

  In SP9, when the calendar is January, February, or December (in winter), the process proceeds to SP11, and when the calendar is not January, February, or December, the process proceeds to SP10. In SP11, when the operation region is Aa ′, Ab ′, Ac ′, or Ad ′, the process proceeds to SP21 and the heating operation is confirmed. In SP11, if the operation area is not Aa ′, Ab ′, Ac ′, or Ad ′, the process proceeds to SP12. If the operation area is Aa, Ab, Ac, Ad, or Ae, the process proceeds to SP20, and the dehumidifying operation is confirmed. To do. In SP12, when the operation region is not Aa, Ab, Ac, Ad, or Ae, the process proceeds to SP19 and the cooling operation is determined.

  In SP10, when the calendar is March or November (early winter and late winter), the process proceeds to SP13, and when the calendar is not March or November (spring to autumn), the process proceeds to SP15. In SP13, when the operation region is Aa ′, Ab ′, Ac ′, or Ad ′, the process proceeds to SP21 and the heating operation is determined. In SP13, if the operation area is not Aa ′, Ab ′, Ac ′, or Ad ′, the process proceeds to SP14. If the operation area is Aa, Ab, Ac, Ad, or Ae, the process proceeds to SP20, and the dehumidifying operation is confirmed. To do. In SP14, when the operation region is not Aa, Ab, Ac, Ad, or Ae, the process proceeds to SP19, and the cooling operation is determined.

  In SP15, when the operation region is Aa ′, Ab ′, Ac ′, or Ad ′, the process proceeds to SP21 and the heating operation is determined. In SP15, if the operation area is not Aa ′, Ab ′, Ac ′, or Ad ′, the process proceeds to SP16. If the operation area is Aa, Ab, Ac, Ad, or Ae, the process proceeds to SP20, and the dehumidifying operation is confirmed. To do. In SP16, when the operation region is not Aa, Ab, Ac, Ad, or Ae, the process proceeds to SP19 and the cooling operation is determined.

  Next, the flow of control for determining the set temperature of the present embodiment for the air conditioner configured as described above will be described with reference to FIG.

  FIG. 7 shows a flowchart of the control for determining the set temperature in the first embodiment of the present invention.

Here, when Ta> Th, ΔTd (Ta) a = a, ΔTd (Ta) b = b, ΔTd (Ta) c = c, ΔTd (Ta) d = d,
When Tl ≦ Ta ≦ Th, ΔTd (Ta) a = e, ΔTd (Ta) b = f, ΔTd (Ta) c = g, ΔTd (Ta) d = h,
In the case of Ta <Tl, ΔTd (Ta) a = i, ΔTd (Ta) b = j, ΔTd (Ta) c = k, and ΔTd (Ta) d = 1 are described.

  In FIG. 7, in SP1, when the calendar is January, February, or December (in winter), the process proceeds to SP5, and when the calendar is not January, February, or December, the process proceeds to SP2. In SP5, when the outside air temperature Ta is Th <Ta, the process proceeds to SP15, the set temperature becomes Td + a, and when the outside air temperature Ta is not Th <Ta, the process proceeds to SP6. In SP6, when the outside air temperature Ta is Tl ≦ Ta ≦ Th, the process proceeds to SP14, and the set temperature is Td + e. When the outside air temperature Ta is not Tl ≦ Ta ≦ Th, the process proceeds to SP13, and the set temperature is Td + i.

  In SP2, when the calendar is March or November (early winter and late winter), the process proceeds to SP7, and when the calendar is not March or November, the process proceeds to SP3. In SP7, when the outside air temperature Ta is Th <Ta, the process proceeds to SP18, the set temperature becomes Td + b, and when the outside air temperature Ta is not Th <Ta, the process proceeds to SP8. In SP8, when the outside air temperature Ta is Tl ≦ Ta ≦ Th, the process proceeds to SP17, and the set temperature is Td + f. When the outside air temperature Ta is not Tl ≦ Ta ≦ Th, the process proceeds to SP16, and the set temperature is Td + j.

  In SP3, when the calendar is June or September (early summer and late summer), the process proceeds to SP9, and when the calendar is not June or September, the process proceeds to SP4. In SP9, when the outside air temperature Ta is Th <Ta, the process proceeds to SP21, the set temperature becomes Td + c, and when the outside air temperature Ta is not Th <Ta, the process proceeds to SP10. In SP10, when the outside air temperature Ta is Tl ≦ Ta ≦ Th, the process proceeds to SP20, and the set temperature is Td + g. When the outside air temperature Ta is not Tl ≦ Ta ≦ Th, the process proceeds to SP19, and the set temperature is Td + k.

  In SP4, when the calendar is July or August (summer), the process proceeds to SP11, and when the calendar is not July or August (spring and autumn), the process proceeds to SP25 and the set temperature becomes Td. In SP11, when the outside air temperature Ta is Th <Ta, the process proceeds to SP24, the set temperature becomes Td + d, and when the outside air temperature Ta is not Th <Ta, the process proceeds to SP12. In SP12, when the outside air temperature Ta is Tl ≦ Ta ≦ Th, the process proceeds to SP23, and the set temperature is Td + h. When the outside air temperature Ta is not Tl ≦ Ta ≦ Th, the process proceeds to SP22, and the set temperature is Td + 1.

As described above, in the present embodiment, the set temperature is corrected according to the calendar and the outside air temperature, and the operation mode is determined according to the calendar, the outside temperature, the set temperature, the room temperature, and the room humidity. Since the concept of calendar and preset temperature is included in determining the mode, a more accurate operation mode can be selected for the air conditioning required by the user, and the problem that the perceived temperature varies depending on the season can be addressed. We can provide air conditioning that responds to demands and feels more comfortable.

  As described above, the air conditioner according to the present invention can select an optimum operation mode according to the calendar and can correct the temperature to an optimum setting temperature according to the calendar. This is useful for home air conditioner applications that require high air quality.

Control block diagram of operation mode and set temperature control unit constituting part of air conditioner according to Embodiment 1 of the present invention Relationship diagram between calendar and set temperature in Embodiment 1 of the present invention (A) Operation mode explanatory diagram under predetermined conditions in January, February, and December in Embodiment 1 of the present invention (b) Operation mode explanatory diagram under different conditions (A) Operation mode explanatory diagram under predetermined conditions in March and November in Embodiment 1 of the present invention (b) Operation mode explanatory diagram under different conditions April, May, June, July, August, September, and October in Embodiment 1 of the present invention (a) Operation mode explanatory diagram under predetermined conditions (b) Operation mode explanation under different conditions Figure Flowchart of control for determining an operation mode in Embodiment 1 of the present invention Flowchart of control for determining set temperature in Embodiment 1 of the present invention

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Indoor temperature sensor 2 Outside temperature sensor 3 Indoor humidity sensor 4 Set temperature receiver 5 Operation mode receiver 6 Input circuit 7 Calendar memory 8 Signal analysis means 9 Output circuit 10 Operation mode change means 11 Set temperature change means

Claims (5)

An air conditioner including a control device that automatically switches between heating, dehumidification, and cooling operation modes according to the relationship between an outside air temperature, a room temperature, and a set temperature, and includes a calendar storage unit, the calendar storage unit An air conditioner having a set temperature changing means for changing the set temperature according to the calendar. The air conditioner according to claim 1, further comprising a set temperature changing unit that has an outside air temperature detecting unit and changes a set temperature in accordance with a calendar and an outside air temperature obtained by the outside air temperature detecting unit. . 3. An operation mode change means for changing an operation mode according to a calendar, an outside air temperature, an indoor temperature obtained by the indoor temperature detection means, and a set temperature. Air conditioner as described in. It has an indoor humidity detection means, and has an operation mode changing means for changing the operation mode according to the calendar, the outside temperature, the room temperature, the indoor humidity obtained by the indoor humidity detection means and the set temperature. The air conditioner according to claim 3. The air conditioner according to any one of claims 1 to 4, wherein a predetermined month is divided into groups according to a plurality of seasons according to the calendar of the calendar storage means.

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