TW496944B - Method of obtaining an air conditioner with high-efficiency capability by changing the operating frequency and the input voltage of its compressor - Google Patents

Method of obtaining an air conditioner with high-efficiency capability by changing the operating frequency and the input voltage of its compressor Download PDF

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TW496944B
TW496944B TW90124296A TW90124296A TW496944B TW 496944 B TW496944 B TW 496944B TW 90124296 A TW90124296 A TW 90124296A TW 90124296 A TW90124296 A TW 90124296A TW 496944 B TW496944 B TW 496944B
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voltage
compressor
frequency
operating
air conditioner
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TW90124296A
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Chinese (zh)
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De-Bin Shiu
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Taiwan Dei Temp Control Techno
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Abstract

The present invention relates to a method of obtaining an air conditioner with high-efficiency capability by changing the operating frequency and the input voltage of its compressor, such method comprises sequentially: step of fixing frequency that controls to maintain a constant operating frequency of compressor; step of voltage adjustment that adjusts voltage input to the compressor in order to measure different energy efficiency ratio (i.e., EER); step of obtaining a curve representing voltage to frequency relationship calculated from an equation in accordance with the operating frequency and various voltages of compressor; and step of writing that writes the equation of voltage and frequency into a central process unit capable of controlling the operation of compressor. Likewise, the present invention is also applicable by first controlling to maintain a constant operating voltage of compressor, and then obtaining different energy efficiency ratio by adjusting the operating frequency of the compressor, it is also possible to achieve an effect of high-efficiency output on air conditioner of different brand.

Description

496944 五、發明說明(l) 【發明領域】 本發明係有關於 之方法,特別是指一 機達到高效 壓值以使冷 【習知技藝 」與 之運 為2 5 直至 設溫 預設 機, 電流 壽命 際室 輸出 V, 際室 輸出 縮機 另外 一般冷 「變頻 轉頻率 °C,實 實際室 度時, 溫度時 由於其 相當大 〇 至於「 溫之變 功率亦 壓縮機 溫升高 功率增 的運轉 ’當實 率輸出等 氣機具、有 說明】 氣機依據 式兩種。 及電壓均 際室溫高 溫與預設 壓縮機將 ,壓縮機 壓縮機必 ,如此不 變頻式冷 化而改變 隨之調整 的運轉頻 為2 6 °c時 加為6 0 0 頻率將提 際室溫降 一種可使冷氣機具有高效率輸出能力 種能適用不同廠牌冷氣機,且使冷氣 功效之改變壓縮機運轉頻率與輸入電 高效率輸出能力之獲取方法。 其運轉頻率而可大 所謂「定頻式冷氣 恆保持在定值,假 於預設溫度時,壓 溫度相同,另外, 保持在送風狀態, 才會再次啟動運轉 須依室溫而不斷啟 僅相當耗電,且亦 致區分為「 機」,即其 設室内之預 縮機將啟動 當實際室溫 直到實際室 。此種型態 動,啟動時 有損壓縮機 定頻式 壓縮機 設溫度 運轉, 低於預 溫高於 之冷氣 所需之 之使用 氣機」,其壓縮機之運轉頻率隨著實 ,其頻率變化值約在30〜115Hz,同時 變化。例如假設室内之預設溫度為2 5 率為45Hz,輸出功率為500瓦,當實 ,壓縮機的運轉頻率將提高為60Hz, 瓦,又當實際室溫升高為28 °C時,壓 高為90Hz,輸出功率增加為9 0 0瓦, 低為2 4 · 5 °C時,壓縮機的運轉頻率則496944 V. Description of the invention (l) [Field of the invention] The present invention relates to the method, especially refers to a machine that reaches a high-efficiency pressure value to make the cold [knowledge technique] and 2 to 5 until the temperature preset machine, The current output of the room is V, and the output of the room is generally cold. "The frequency conversion frequency is ° C. When the actual room temperature is actual, the temperature is quite large because of the change in temperature. Operation 'When real rate output and other gas equipment, there are instructions] There are two types of gas engine. And the voltage is equal to the room temperature and high temperature and the preset compressor will be, the compressor compressor must be, so the non-inverter type cooling will change with it. The adjusted operating frequency is increased to 6 0 when the temperature is 26 ° C. The temperature can be reduced by one to make the air conditioner have a high output efficiency. It can be applied to different brands of air conditioners, and the air conditioner's efficiency can be changed. How to obtain the high-efficiency output capability of frequency and input power. Its operating frequency can be much larger than the so-called "constant-frequency air-conditioning, which is constantly maintained at a fixed value. When the temperature is preset, the pressure and temperature are the same. In addition, Only when it is kept in the air supply state, it will start to run again. It must be continuously turned on according to the room temperature. It only consumes a lot of power and is divided into "machines", that is, the shrinking machine in its installation room will start when the actual room temperature reaches the actual room. This type of movement will cause the compressor to operate at a fixed frequency when the startup temperature is set to lower than the pre-temperature higher than the required air conditioner. "The compressor's operating frequency changes with the actual frequency. The value is about 30 ~ 115Hz, which changes at the same time. For example, suppose that the preset temperature in the room is 45 Hz and the output power is 500 watts. When it is real, the operating frequency of the compressor will be increased to 60 Hz and watts. When the actual room temperature is raised to 28 ° C, the pressure will be high. When the output frequency is 90Hz, the output power is increased to 900 watts, and the lower is 2 4 · 5 ° C, the operating frequency of the compressor is then

496944 •五、發明說明(2) 降低為3 5 Hz,輸出功率增加為4 5 0 瓦,當實際室溫降低為 2 4 °C時,壓縮機將停止運轉而保持在送風狀態。此種「變 •頻式冷氣機」雖能改善前述定頻式冷氣機耗電及壓縮機使 -用壽命短之缺失,惟其壓縮機之電壓與運轉頻率的變化曲 線係隨機種之不同、而預先逐一測試獲得,因此,壓縮機製 造業者於生產時無法以同一電壓與運轉頻率曲線規格規範 所有的壓縮機操作條件。 【發明概要】 · 故,本發明之主要目的,乃在提供一種改變壓縮機運 0頻率與輸入電壓值以使冷氣機具有高效率輸出能力之獲 取方法,使其具有能適用不同廠牌冷氣機,且可使冷氣機 達到高效率輸出之功效。 於是,本發明改變壓縮機運轉頻率與輸入電壓值以使 〃冷氣機具有高效率輸出能力之獲取方法,依序包含有一頻 率固定步驟、一電壓調整步驟、一電壓與頻率關係曲線獲 取步驟,以及一寫入步驟。於該頻率固定步驟中,控制壓 縮機保持在一定頻率下運轉,接著於電壓調整步驟中,調 整輸入壓縮機之電壓值,並同時測得不同的能源效率比( 即EER值),之後,進行電壓與頻率關係曲線獲取步驟,以 .%據前一步驟壓縮機之運轉頻率、不同電壓值做出電壓與 頻率間之關係曲線,求出該電壓與頻率關係曲線方程式; 最後於寫入步驟中,將前一步驟所獲取之電壓與頻率關係 曲線方程式寫入一可控制壓縮機運轉之中央處理器中,如 此該中央處理器即能適用不同廠牌或不同機種之壓縮機,496944 • V. Description of the invention (2) It is reduced to 35 Hz, and the output power is increased to 450 watts. When the actual room temperature is reduced to 24 ° C, the compressor will stop running and remain in the supply air state. Although this "variable frequency air conditioner" can improve the power consumption of the fixed frequency air conditioner and the shortage of the compressor's operating life, the change curve of the voltage and operating frequency of the compressor is different from the random species. Obtained one by one in advance, therefore, compressor manufacturers cannot regulate all compressor operating conditions with the same voltage and operating frequency curve specifications during production. [Summary of the invention] · Therefore, the main purpose of the present invention is to provide an acquisition method that changes the operating frequency and input voltage value of the compressor so that the air conditioner has a high efficiency output capability, so that it can be applied to different brands of air conditioners. And can make the air conditioner achieve high efficiency output. Therefore, the present invention obtains a method for changing the compressor operating frequency and input voltage value so that the air conditioner has a high-efficiency output capability, which includes a frequency fixing step, a voltage adjusting step, a voltage-frequency relationship curve obtaining step, and A write step. In this frequency fixing step, the compressor is controlled to keep running at a certain frequency. Then, in the voltage adjustment step, the voltage value of the input compressor is adjusted, and different energy efficiency ratios (ie, EER values) are measured at the same time. The voltage-frequency relationship curve acquisition step is based on.% Of the compressor's operating frequency and different voltage values in the previous step to obtain the voltage-frequency relationship curve, and the voltage-frequency relationship curve equation is obtained; finally in the writing step , Write the voltage-frequency relationship curve equation obtained in the previous step into a central processor that can control the operation of the compressor, so that the central processor can be applied to compressors of different brands or models,

第5頁 496944 五、發明說明(3) " ^ ---------- 進而能達到可使冷氣機保持高效率輸出之功效。再者,本 發明之方法亦可為依序包含有一電壓固定步驟、一頻率調 整步驟、一電壓與頻率關係曲線獲取步驟,以及一寫入^ 2,即先控制壓縮機之運轉電壓保持在固定值,再調整壓 細,之運轉頻率,並同時測得不同的能源效率比,根據該 固定電壓值、不同運轉頻率以做出電壓與頻率間之關係曲 ^ *夂出°玄電壓與頻率關係曲線方程式後,再將該電壓與 Κ = 程式寫入—可控制壓縮機運轉之中央處理 氣機達到高效率輸出之功效。 且了使冷 【幸父佳貫施例之詳細說明】 ^期對於本發明之目的、功效及構造特徵 的;兹舉本發,實施例並配合圖式說明 與輸入二,圖,本貫施例所顯示之改變壓縮機運轉頻 /、_电堅值以使冷氣機具有高效率輸出能力之 v、’、 干依序包含有一頻率固定步驟丨丨、一電 =方法 —電壓與頻率關係曲線獲取步驟13,以及_ 驟12、 下運;該頻率固定步驟llt,控制壓縮機保持率 J著於電壓調整步驟12中,在壓縮機 扦,調整輸入壓縮機之電壓值,根據不 二疋頻率 口疋頻率而獲取不同的能源效率比(即EER值)。勺電壓值與Page 5 496944 V. Description of the invention (3) " ^ ---------- It can further achieve the effect that the air conditioner can maintain high efficiency output. Furthermore, the method of the present invention may also include a voltage fixing step, a frequency adjusting step, a voltage-frequency relationship curve obtaining step, and a write ^ 2, that is, first controlling the operating voltage of the compressor to be fixed Value, then adjust the operating frequency of the compaction, and measure different energy efficiency ratios at the same time. According to the fixed voltage value and different operating frequencies, the relationship between voltage and frequency is made. After the curve equation is written, the voltage and κ = program are written-the central processing gas generator that can control the compressor operation to achieve high efficiency output. In addition, it is cold [Detailed description of Xingfu Jiaguan's examples] ^ For the purpose, effect, and structural characteristics of the present invention; here are examples of the present, together with the illustration and input of the drawings. The example shows how to change the compressor's operating frequency /, _electrical firmness value to make the air conditioner have high efficiency output capability, v, ', and dry sequentially include a frequency fixing step 丨, an electric = method-voltage and frequency relationship curve Obtain step 13, and _ step 12, download; the frequency is fixed step llt, control the compressor retention rate J focus on the voltage adjustment step 12, in the compressor 扦, adjust the input compressor voltage value, according to the frequency Use different frequencies to obtain different energy efficiency ratios (ie, EER values). Spoon voltage value and

第6頁 θ之後,進行電壓與頻率關係曲線獲取步 疋根據前一步驟所獲取之能源效率比,配人’此步驟 _ 0 土蝻機之運轉 496944 五、發明說明(4) 頻率、不同電壓值做出如第二圖所示之電壓與頻率間之關 係曲線,並求出該電壓與頻率關係曲線方程式。 最後於寫入步驟1 4中,將前一步驟所獲取之電壓與頻 •率關係曲線方程式寫入一可控制壓縮機運轉之中央處理器 中,如此該中央處理器即能適用不同廠牌或不同機種之壓 縮機,進而能達到可使冷氣機保持高效率輸出之功效。 參閱第三圖,本實施例所顯示之改變壓縮機運轉頻率 與輸入電壓值以使冷氣機具有高效率輸出能力之獲取方法 2 ,不同於前述實施例之處在於依序包含有一電壓固定步 @2 1、一頻率調整步驟22、一電壓與頻率關係曲線獲取步 驟2 3,以及一寫入步驟2 4。 該電壓固定步驟2 1中,是先控制壓縮機之運轉電壓保 •持在固定值, 而頻率調整步驟2 2,則是調整前一步驟已保持定電壓 值運轉之壓縮機運轉頻率,根據固定電壓值與不同的頻率 而獲取不同的能源效率比(即EER值)。 接著,同樣依序進行電壓與頻率關係曲線獲取步驟2 3 ,根據前一步驟所獲取之能源效率比,配合壓縮機之不同 運轉頻率、固定電壓值做出如第四圖所示之電壓與頻率間 t關係曲線,並求出該電壓與頻率關係曲線方程式。 _ 於寫入步驟2 4,將前一步驟所獲取之電壓與頻率關係 曲線方程式寫入一可控制壓縮機運轉之中央處理器中,如 此該中央處理器同樣能適用不同廠牌或不同機種之壓縮機 ,進而能達到可使冷氣機保持高效率輸出之功效。After page 6 theta, the voltage-frequency relationship curve acquisition step is performed. According to the energy efficiency ratio obtained in the previous step, assign 'this step_ 0 operation of the earthmoving machine 496944. 5. Description of the invention (4) Frequency and different voltage The relationship between the voltage and the frequency is shown in the second figure, and the equation of the relationship between the voltage and the frequency is obtained. Finally, in writing step 14, write the voltage-frequency-rate relationship curve equation obtained in the previous step into a central processor that can control the operation of the compressor, so that the central processor can be applied to different brands or Different types of compressors can achieve the effect of keeping the air conditioner with high efficiency output. Referring to the third figure, the acquisition method 2 for changing the compressor operating frequency and the input voltage value so that the air conditioner has a high-efficiency output capability shown in this embodiment is different from the foregoing embodiment in that it sequentially includes a voltage fixed step @ 2 1. A frequency adjustment step 22, a voltage-frequency relationship curve obtaining step 2 3, and a writing step 24. In this voltage fixing step 21, the operating voltage of the compressor is first controlled to be maintained at a fixed value, while the frequency adjustment step 22 is to adjust the operating frequency of the compressor that has been maintained at a constant voltage value in the previous step. Obtain different energy efficiency ratios (that is, EER values) for voltage values and different frequencies. Then, similarly perform step 2 3 of obtaining the voltage-frequency relationship curve in order, according to the energy efficiency ratio obtained in the previous step, and cooperate with different operating frequencies and fixed voltage values of the compressor to make the voltage and frequency as shown in the fourth figure. The relationship curve between t and the voltage-frequency relationship curve equation. _ In writing step 24, write the voltage-frequency relationship curve equation obtained in the previous step into a central processor that can control the operation of the compressor, so that the central processor can also be applied to different manufacturers or different models. The compressor can further achieve the effect that the air conditioner can maintain high efficiency output.

第7頁 496944 五、發明說明(5) 惟,以上所述者,僅係本發明之較佳實施例而已,故 舉凡應用本發明說明書及申請專利範圍所為之等效結構變 化,理應包含在本發明之專利範圍内。 【圖式之簡單說明】 第一圖所示係、本發明第一較佳實施例之方塊流程圖。 第二圖所示係本發明第一較佳實施例之電壓與頻率關 係曲線圖。 第三圖所示係本發明第二較佳實施例之方塊流程圖。 第四圖所示係本發明第二較佳實施例之電壓與頻率關 係曲線圖。 【元件標號對照】 1、2 改 變 壓 縮 機 運 轉 頻 率 與 入 電 壓值以使冷 氣 機 具 有 效 率 m 出 能 力 之 獲 取方法 11 頻 率 固 定 步 驟 12 電 壓 調 整 步 驟 13、23 電 壓 與 頻 率 關 係 曲 線 獲 取 步 驟 14、24 寫 入 步 驟 21 電 壓 固 定 步 驟 22 頻 率 調 整 步 驟Page 7 496944 V. Description of the invention (5) However, the above are only the preferred embodiments of the present invention. Therefore, the equivalent structural changes for the application of the present specification and the scope of patent application should be included in this specification. Within the scope of patents for inventions. [Brief description of the drawings] The first figure is a block flow chart of the first preferred embodiment of the present invention. The second figure shows a voltage vs. frequency curve of the first preferred embodiment of the present invention. The third figure shows a block flow diagram of the second preferred embodiment of the present invention. The fourth figure shows a voltage-frequency curve of the second preferred embodiment of the present invention. [Comparison of component numbers] 1,2 Obtain the method to change the compressor operating frequency and the input voltage value to make the air conditioner have the efficiency m output capacity 11 Frequency fixing step 12 Voltage adjustment step 13, 23 Voltage and frequency relationship curve acquisition steps 14, 24 Write step 21 Voltage fix step 22 Frequency adjustment step

Claims (1)

496944 六、申請專利範圍 1 · 一種改變壓縮機運轉頻率與輸入電壓值以使冷氣機具 有高效率輸出能力之獲取方法,依序包含有: 一頻率固定步驟,控制壓縮機保持在一定頻率下 運轉; 一電壓調、整步驟,在壓縮機保持一定頻率運轉時 ,調整輸入壓縮機之電壓值,並同時測得不同的能源 效率比; 一電壓與頻率關係曲線獲取步驟,根據前一步驟 壓縮機之運轉頻率、不同電壓值做出電壓與頻率間之 φ 關係曲線,求出該電壓與頻率關係曲線方程式;以及 一寫入步驟,將前一步驟所求得之電壓與頻率關 係曲線方程式寫入一可控制壓縮機運轉之中央處理器 中 〇 2 · —種改變壓縮機運轉頻率與輸入電壓值以使冷氣機具 有高效率輸出能力之獲取方法,依序包含有: 一電壓固定步驟,控制壓縮機之運轉電壓保持在 固定值; 一頻率調整步驟,在壓縮機保持固定電壓運轉時 ,調整壓縮機之運轉頻率,並同時測得不同的能源效 ®率比; 一電壓與頻率關係曲線獲取步驟,根據前一步驟 壓縮機之固定電壓值、不同運轉頻率以做出電壓與頻 率間之關係曲線,求出該電壓與頻率關係曲線方程式 ;以及496944 VI. Application for Patent Scope 1 · An acquisition method that changes the compressor's operating frequency and input voltage value so that the air conditioner has a high-efficiency output capability, which includes: A frequency fixing step to control the compressor to keep running at a certain frequency A voltage adjustment and adjustment step, while the compressor is operating at a certain frequency, adjust the voltage value of the input compressor and measure different energy efficiency ratios at the same time; a voltage and frequency relationship curve acquisition step, according to the compressor of the previous step Φ relationship curve between voltage and frequency at different operating frequencies and different voltage values, and calculate the voltage-frequency relationship curve equation; and a writing step, write the voltage-frequency relationship curve equation obtained in the previous step into A central processor that can control the operation of the compressor. ○ A method for obtaining the high-efficiency output capability of the air conditioner by changing the compressor's operating frequency and input voltage value, including in sequence: a voltage fixing step to control the compression The operating voltage of the machine is maintained at a fixed value; a frequency adjustment step is performed at the compressor When operating at a fixed voltage, adjust the operating frequency of the compressor and measure different energy efficiency ratios at the same time. A voltage-frequency relationship curve acquisition step is based on the fixed voltage value of the compressor and different operating frequencies in the previous step. Draw the relationship between voltage and frequency and find the equation of the relationship between voltage and frequency; and 第9頁 496944Page 9 496944 第ίο頁Page ίο
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WO2014173269A1 (en) * 2013-04-23 2014-10-30 珠海格力电器股份有限公司 Variable-frequency water heater and control method and apparatus thereof

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