JPS60187851U - Defrost control circuit - Google Patents

Defrost control circuit

Info

Publication number
JPS60187851U
JPS60187851U JP7505484U JP7505484U JPS60187851U JP S60187851 U JPS60187851 U JP S60187851U JP 7505484 U JP7505484 U JP 7505484U JP 7505484 U JP7505484 U JP 7505484U JP S60187851 U JPS60187851 U JP S60187851U
Authority
JP
Japan
Prior art keywords
defrost
temperature
control circuit
defrost control
temperature difference
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP7505484U
Other languages
Japanese (ja)
Other versions
JPH0434347Y2 (en
Inventor
龍三郎 矢嶋
上村　茂弘
Original Assignee
ダイキン工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ダイキン工業株式会社 filed Critical ダイキン工業株式会社
Priority to JP7505484U priority Critical patent/JPS60187851U/en
Publication of JPS60187851U publication Critical patent/JPS60187851U/en
Application granted granted Critical
Publication of JPH0434347Y2 publication Critical patent/JPH0434347Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Air Conditioning Control Device (AREA)
  • Defrosting Systems (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は起動時の外気温度Ｔａと室外熱交換器温度Ｔｅ
との差温ΔＴ１と平均暖房能力Ｑｍとの関係を示すグラ
フ、第２図は第１回目のデフロスト後の再暖房時の外気
温度Ｔａと室外熱交換器温度Ｔｅとの差温ΔＴ２と平均
暖房能力Ｑｍとの関係を示すグラフ、第３図は室外熱交
換器のデフロスト開始時の室外熱交換器温度Ｔｅと平均
暖房能力Ｑｍとの関係を、外気温をパラメータとして示
したグラフ、第４図は平均暖房能力を最大にする差温Δ
Ｔｄｅｆと外気温Ｔａとの関係を示したグラフ、第５図
は本考案を実施するための構成を示す全体構成図、第６
図はハードウェアの構成例、第７図は本考案デフロスト
制御回路を実施する場合のデフロスト制御のフローチャ
ートの例を示す。 Ｔａ・・・外気温度、Ｔｅ・・・室外熱交換器温度、Δ
Ｔ１・・・第１回目のデフロスト開始の差温、ΔＴ２・
・・第２回目以降のデフロスト開始の差温。Figure 1 shows the outside air temperature Ta and the outdoor heat exchanger temperature Te at startup.
A graph showing the relationship between the temperature difference ΔT1 and the average heating capacity Qm, and Figure 2 shows the relationship between the temperature difference ΔT2 between the outside air temperature Ta and the outdoor heat exchanger temperature Te during reheating after the first defrost and the average heating capacity. Figure 3 is a graph showing the relationship between the outdoor heat exchanger temperature Te and the average heating capacity Qm at the start of defrosting of the outdoor heat exchanger, using outside temperature as a parameter. is the temperature difference Δ that maximizes the average heating capacity
A graph showing the relationship between Tdef and outside temperature Ta, Figure 5 is an overall configuration diagram showing the configuration for implementing the present invention, and Figure 6 is a graph showing the relationship between Tdef and outside temperature Ta.
The figure shows an example of a hardware configuration, and FIG. 7 shows an example of a flowchart of defrost control when implementing the defrost control circuit of the present invention. Ta: outside air temperature, Te: outdoor heat exchanger temperature, Δ
T1...Difference in temperature at the start of the first defrost, ΔT2.
...Difference in temperature at the start of defrost from the second time onwards.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）外気温度Ｔａと室外熱交換器温度Ｔｅとをそれぞ
れ検知し、その差温か設定値以上で逆サイクル式のデフ
ロスト運転を開始する空気熱源のヒートポンプ式空気調
和機の差温式デフロスト制御回路において、デフロスト
開始設定差温を、起動時の第１回目のデフロスト開始の
差温ΔＴ１よりも第２回目以降のデフロスト開始の差温
ΔＴ２を小にしたことを特徴とするデフロスト制御回路
。(1) Differential temperature defrost control circuit for an air heat source heat pump air conditioner that detects the outside air temperature Ta and the outdoor heat exchanger temperature Te, and starts reverse cycle defrost operation when the temperature difference is higher than the set value. A defrost control circuit characterized in that the defrost start setting temperature difference ΔT2 at the second and subsequent defrost starts is smaller than the temperature difference ΔT1 at the first defrost start at startup. （２）前記へＴ１−ΔＴ２を１〜５°Ｃにしたことを特
徴とする実用新案登録請求の範囲第１項記載のデフロス
ト制御回路。(2) The defrost control circuit according to claim 1, wherein the temperature T1-ΔT2 is set to 1 to 5°C.
JP7505484U 1984-05-21 1984-05-21 Defrost control circuit Granted JPS60187851U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7505484U JPS60187851U (en) 1984-05-21 1984-05-21 Defrost control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7505484U JPS60187851U (en) 1984-05-21 1984-05-21 Defrost control circuit

Publications (2)

Publication Number Publication Date
JPS60187851U true JPS60187851U (en) 1985-12-12
JPH0434347Y2 JPH0434347Y2 (en) 1992-08-17

Family

ID=30615916

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7505484U Granted JPS60187851U (en) 1984-05-21 1984-05-21 Defrost control circuit

Country Status (1)

Country Link
JP (1) JPS60187851U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010023975A1 (en) * 2008-09-01 2010-03-04 三菱電機株式会社 Heat pump device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5227661B2 (en) * 2008-05-28 2013-07-03 シャープ株式会社 Air conditioner

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS588938A (en) * 1981-06-30 1983-01-19 ハネウエル・インコ−ポレ−テツド Controller for defrosting of outdoor coil for refrigerator

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS588938A (en) * 1981-06-30 1983-01-19 ハネウエル・インコ−ポレ−テツド Controller for defrosting of outdoor coil for refrigerator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010023975A1 (en) * 2008-09-01 2010-03-04 三菱電機株式会社 Heat pump device
JP2010060150A (en) * 2008-09-01 2010-03-18 Mitsubishi Electric Corp Heat pump device
US8745999B2 (en) 2008-09-01 2014-06-10 Mitsubishi Electric Corporation Heat pump apparatus

Also Published As

Publication number Publication date
JPH0434347Y2 (en) 1992-08-17

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