200825338 九、發明說明： 【發明所屬之技術領士成】 特別 本發明係有關於一種強制排氣式熱水哭 係指一種提升熱水杰點火性能之安全控制方去 【先前技術】 目前市面上常見的瓦斯熱水器的商品型 RF (屋外設置式）、CF (自然梆氣 "卟以分成 三種。其中「室外專用」白勺处(強制排氣式） 施，「—定要」裝置在完全開效的空間。而,:::排氣設 二式，則是靠熱氣產生的自然壓力，使-氧化:炭排= 以將廢氣強制抽出。 接衣置風扇可 上述之「風扇強制排氣」的总， 的弓I導氣流將熱水器内燃燒切氣排^、、水益可提供主動 全或殘氣燃爆、外狀情形發^排出’以防止燃燒不完 _如2005年10月21日台灣專利號M27886l「敎水哭 ί器控制構造」已有說明，係利用-風㈣触主; :、，，熱水器内燃燒之廢氣排出。其中係藉由風壓 =早元3CM貞測風機20提供㉔之風壓，而再由風壓伯 早元4G無火控鮮幻㈣㈣之傳遞，進而 風機20 ’達成於良好的引導氣产下勃一赴k祕化 斯^將進水加熱之功效。U—火燃燒瓦 然而-般風壓债測單元(裝置)於使用日夺，難免遇到有 200825338 風吹進熱水器之排哭口， 常，進而影響風壓；測單；：：之逆風壓使風機運轉不正 成熱水器控制單元誤動作。再者/則’㈣刖出錯誤之信號造 元之成本亦偏高，是以實存有待改善::面上風壓偵測單 【發明内容】 以送= = 熱性能之安全控制方法，係 馬達所消耗的功率來判斷排;定’並刺用 卜風壓是否過大，即判斷強 到適當的空燃比，進行點火程序』拼轧式熱水态是否能# 制單 給水皁兀連結於點火控制單 及达風枝。 控制單元、送風機及檢測單元，元連結於點火 而強制排氣式熱水器連結方連結於檢測單元， 首先，當使用者開啟供水單元時， f丨進強制排氣式熱水器中，並偵測水量心 至點火控制單元。接著，當點火控制單元得知 有足夠的水量被引進強制排氣式熱水器中時， =!=控制單元，以驅動送風機馬達《預設轉 速及影”間來運轉。當馬達運轉的同時，檢測單元 斷地偵=達運轉的轉速，並回傳侧訊號至排風控^ 兀，二進-步控制馬達轉速落在預設轉速的範圍内。 最後，根據預設時間點上，馬達所消耗的功率 控制皁兀會判斷馬達此時所消耗的功率是否小於預設= 6 200825338 率’以判斷強制排氣式熱水器排氣口是否阻塞或外在風壓 是否過大，來控制點火控制單元是否進行點火程序。 【實施方式】 請參考第一圖所示，其係為本發明内容之強制排氣式 熱水器之主要功能方塊圖。強制排氣式熱水器（⑶mpulsory exhaust hot-water-heater ) 1 包含一點火控制單元 (ignition control unit) 10、一給水單元（water injection unit) 20、一排風控制單元（exhaust control unit) 30、一檢測單元（detection unit：) 40 及一送風機 (air-extracting apparatus) 50。而強制排氣式熱水器 1連結於一供水單元（water supplying unit) 2，用以由 供水早元2長：供強制排氣式熱水器1所加熱過的熱水給使 甩者使用。 給水單元20連結於點火控制單元1〇，當使用者開啟 連結於強制排氣式熱水器1的供水單元2時，給水單元2〇 會自動將未加熱過的冷水引進強制排氣式熱水器1中，並 偵測引進強制排氣式熱水器1中的水量大小，以產生水量 偵測訊號（water quantity signal)至點火控制單元1〇。 點火控制單元10連結於排風控制單元30，當點火控 制單元10得知有足夠的水量被引進強制排氣式執水哭1 中時，在強㈣氣式熱水器i沒有任何異常狀況下，例如 排風口沒有受阻、強制排氣式熱水器i外風壓（Wlnd _ure)正常等’便引進瓦斯以進—步執行點火程序 (ignition process)，並使引進強制排氣式熱水器i中 冷水加熱，於供水單元2送出熱水。此外，在給水單元 7 200825338 提供水量偵測訊號至點火控制單元ίο的同時，點火控制單 元10會傳送一排風控制訊號（exhaust signal)至排風控 制單元30。 排風控制單元30連結於送風機50及檢測單元40，檢 測單元40連結於送風機50，且排風控制單元30包含一監 控單元（monitoring unit)31 及一日寺序單元（timing unit) 33。當點火控制單元10利用排風控制訊號來驅動送風機 50的馬達運轉時，送風機50會主動引導氣流，將強制排 氣式熱水器1内燃燒的廢氣排出。 在送風機50的馬達運轉的同時，檢測單元40會隨時 偵測馬達運轉的轉速及送風機的功率（運轉中馬達的功率） 等，以產生偵測訊號至排風控制單元30中的監控單元31， 使監控單元31可以隨時監控送風機50馬達的運轉情形。 此外，排風控制單元30内的時序單元33會根據預先的設 定來計數送風機50馬達運轉的時間，使監控單元31亦可 以透過時序單元33的計數，來控制送風機50的動作，並 且輸出點火控制訊號至點火控制單元1Q，使點火控制單元 10進行點火程序。 然而，當強制排氣式熱水器1的排氣口受阻或強制排 氣式熱水器1外的風壓過大時，送風機50馬達的轉速會提 高，馬達所消耗的功率也會跟著提高。此時，若將不斷上 升的馬達轉速轉換成固定的轉速時，馬達所消耗的功率將 會下降。 因此，本發明利用上述馬達的物理特性，提出一提升 熱水器燃燒性能之安全控制方法，請參考第二圖及第三圖 所示，來說明利用監控單元31來監控送風機50馬達運轉 8 200825338 的情形，以進一步來控制點火控制單元1〇的作動，防止因 排氣口受阻或風壓過大所造成的易爆燃的現象。其中，第 二圖係為本發明内容之強制排氣式熱水器執行安全控制的 流程圖，第三®係為本發明内容之強㈣氣式熱水器執行 安全控制之時序圖。 η〜 w八川$叩狄伏I早兀^時，給水單元2〇會自 動將未加熱過的冷水引進強制排氣式熱水器i巾，並^測 引進強制排氣式熱水器！中的水量大小，以產生水量债測 吼號至點火控制單元1〇，如步驟S210。 接著’當點火控鮮A1G得知有足夠的水量被引進強 1 熱水益11時，會傳送一排風控制訊號至排風控 I早兀，使監控單元31驅動送風機50馬達根據—預Μ 轉速及-預設時間來運轉，如步驟祕並二 聽Γ設定，來計數並控制強制排氣式熱水器1内 :^的日守序。其中’當馬達運轉的同時，檢測單元40 :測馬達運轉的轉速，並傳送偵測訊號至監控單 ^下H進rt判斷馬達運轉的轉速是否達到預設轉速的 决差靶圍，此誤差範圍假設每分鐘轉數 re: utlons per minute，卬m)為⑽，如步驟卿。 亨差轉速尚未達到預設轉速，甚至是預設轉速的 31 50 弓遠二i: ^朗馬達轉迷落在預設轉速的範圍内。當 馬^的人轉速已達咖設轉速及其誤差範_時，則檢測^ 兀40胃進一步偵測送風機5〇 制訊號至u 所祕的力率，以產生 時門θ $ P : 如步驟S240，並判斷馬達運轉的 知間疋否已相預設時間，如步驟 200825338 當馬達運轉的時間尚未達到預設時間時，檢測單元40 依舊會不斷地偵測馬達運轉時所耗費的功率，並傳送偵測 訊號至監控單元31。當馬達運轉的時間已達到預設時間 時，檢測單元40會將此時偵測到的功率所產生的偵測訊號 傳送至監控單元31，而監控單元31接收到此時的偵測訊 號後，會根據此偵測訊號，進一步地判斷送風機50馬達此 時所消耗的功率是否小於一預設功率，如步驟S260。 當馬達此時所消耗的功率大於預設功率時，表示強制 排氣式熱水器1外的風壓可能在正常範圍内，且其排氣口 並未出現受阻的現象，此時的強制排氣式熱水器1在空氣 及燃料混合的狀況可能是良好的，且當點火控制單元10 進行點火程序時，不會發生爆燃的現象，因此監控單元31 會進一步送出一點火控制訊號至點火控制單元10，以驅動 點火控制單元10進行點火程序，將瓦斯引進強制排氣式熱 水器1中，並使引進強制排氣式熱水器1中的冷水加熱， 於供水單元2送出熱水，如步驟S273。 當馬達此時所消耗的功率的確小於預設功率時，表示 強制排氣式熱水器1外的風壓可能過大，導致強制排氣式 熱水器1可能不易達到空氣及燃料混合的良好狀況，或者 強制排氣式熱水器的排氣口受阻，因此監控單元31不會送 出點火控制訊號至點火控制單元10，而且會進一步判斷此 時馬達所消耗的功率是否持續一連續時間小於預設功率， 如步驟S27Q。 當此時馬達所消耗的功率並未持續地小於預設功率 時，表示強制排氣式熱水器1外的風壓可能不是呈現連續 過大的狀態，而強制排氣式熱水器1的排風口並未呈現受 10 200825338 = 嶋式熱水器1在空氣及燃料混合的程 度上可此仍在可接文乾圍内’當點火控制單元ι〇進行點火 程序時，不容易發生爆燃的現象，因此監 點火控制訊號至點火控制显元Μ成抓1 ㈢傅^" 火程序。 W早兀…使點火控制單元進行點 田此日守馬達所’肖耗的功率的確持續地小於預設功率 時，^強制排氣式熱水器1外的風壓可能持續呈現過大 ，狀悲^或者強制排氣式熱水器i的排風口呈現受阻的狀 悲，此日守的強制排氣式熱水器丄的空氣及燃料混合將會不 理想，如進行當點火控制單元1Q點火程序時，容易發生爆 燃的現象。是故此時不會傳送點火控制訊號至點火控制單 兀10 使付點火控制單幻0 *會執行點火程序，亦即點 火控=單元1G不會引進瓦斯至強制排氣式熱水器i中，點 火燃Ml加熱引進強制排氣式熱水器i的冷水，如步驟 S280。亚且監鮮元31會控制送風機5Q的馬達停止運轉。 如此一來，在破保強制排氣式熱水器1能正常工作的 情況下’點火控制單元1〇所引進的瓦斯便能與空氣有適當 的混合’以達到適#的燃燒條件，確保良好的燃燒狀況， 亦即保持熱效高、燃燒廢氣值低等。 然而，在強制排氣式熱水器1不動作的情況下 …•「〜W Γ /即在 排風口風壓持續呈現過大，或是排風σ受到阻塞，而不執 行點火程序的情況下，若使时仍職式熱水 益1來將冷水加熱時，則只要重新啟動供水單元2， 處理排風口阻塞的問題後，再重新啟動供水單元 1 排氣式熱水器即可回復到步驟S210至S270，、、彳虫制 新嘗试驅動點火控制單元1 〇進行點火程序，μ L ν重 ϋ弟三圖中所 11 200825338 不 曰守& I係為預設時間，當馬達運轉後，時序單元33 便會開始計數，並把計數結果傳送至監控單元31，來判斷 預設時間是否達到。 少時段Π係為點火時段，當馬達運轉已達到預設時間 後^若f達在時間點A上的消耗功率高於預設功率時，點 火控制單兀10將進行點火程序，且馬達的轉速會約略下 降。 又m係為閒置時間，當點火控制單元進行點火程 序失敗¥，日守序單元33便開始計數，使點火控制元 準備於％•間點B上再—次進行點火程序。 播mi為連續時間’當馬達運轉已達到預設時間 後’然而馬達在時間點A上消耗功率卻低於預設功率，倘 I - " - -«-" r:=單元内持 干則點认制早元10將不進行點火程序 在連續時間結束後下降轉。 Μ㈣&通 由上述可知，時間點ΑΙ%Β除了係 始點外，更是防止爆婵的刹觥駐:砧人私序的起 率*於箱W 斤此卜，當馬達消耗的功 安全控制方法中更提供了，當點火控㈣U2 哭nmh斤執 序吏強制排氣式熱水 冷水。然而，當重新執行點火程序數次後二 火加熱，則表不瓦斯的供應出了問題。 ”、、，力“、、占 12 200825338 本發明所提供之優點在於， 使送風機馬達的轉速固定，並 送風機的物理特性， 斷排氣口是否阻塞或強制排氣式===的功率來判 即判斷強制排氣式熱水器點火'，、、、-外風昼是否過大， 本發明所提供之另否能有適當的空燃比。 -次執行點火程序失敗後，’ ^點火控制單元能在第 序，以提高點火加熱的成功率。1斤執料二次點火程 本發明所提供之再—優點在於，π 速、馬達運轉的預設時間及馬達運馬;^預設轉 判斷強制排氣式熱水器是否朗如，作為 本發明所提供之再一優點太 "" 的排風口受到阻塞，或外面風^當強制排氣式熱水器 元將不進行點火程序，亦即時，點火控制單 燃的現象，確保使用者的安全。4來點燃，以防止爆 本發明所提供之再一優點在於， 水器能正常工作的情況下，點火控制單元所式熱 好的燃燒狀況，亦即保持熱效高、燃燒廢氣值低等保良 所附圖式僅提供參考與說明用，並非 以限制者。㈣上所述僅為本發明之較佳可行實施^明加 因此舰本發明之專利範圍，故舉凡運用本發明查非 圖不内容所為之等效結構變化，均_包含於本發:f 圍内，合予陳明。 月之範 【圖式簡單說明】 第-圖係為本發明内容之強制排氣式熱水器之主要功 13 200825338 能方塊圖； 第二圖係為本發明内容之強制排氣式熱水器執行安全 控制的流程圖；以及 第三圖係為本發明内容之強制排氣式熱水器執行安全 控制之時序圖。 【主要元件符號說明】 強制排氣式熱水器 1 點火控制單元 10 給水單元 20 排風控制單元 30 監控單元 31 時序單元 33 檢測單元 40 送風機 50 供水單元 2 14200825338 IX. Description of the invention: [Technical leader of the invention] The present invention relates to a forced exhaust type hot water crying refers to a safety control method for improving the ignition performance of hot water. [Prior Art] Currently on the market Commercial gas water heaters are commercially available in RF (outdoor setting) and CF (naturally ventilated). They are divided into three types. Among them, "outdoor special" (forced venting), "---" is completely complete. The effective space. And::: The exhaust type is set to 2, which is the natural pressure generated by the hot air, so that - oxidation: carbon discharge = to force the exhaust gas to be extracted. The clothes-mounted fan can be the above-mentioned "fan forced exhaust In general, the bow I guide airflow will burn the gas in the water heater, and the water benefit can provide active full or residual gas blasting, and the external situation will be emitted to prevent combustion from ending. For example, October 21, 2005 Japanese Taiwan Patent No. M27886l "The Shushui Crushing Device Control Structure" has been described. It uses the wind (four) to touch the main body; :,,, the exhaust gas from the burning of the water heater is discharged. Among them, the wind pressure = early 3CM 20 provides 24 wind pressure, and then wind pressure Early Yuan 4G no fire control and fresh magic (four) (four) transmission, and then the fan 20 'achieved in a good guide gas production under the urgency to go to the k secretization of the ^ will be the effect of water heating. U - fire burning tile - the wind pressure bond The measuring unit (device) is used in the day, it is inevitable to encounter the 200825338 wind blowing into the water heater row, often, and then affect the wind pressure; test order;:: the reverse wind pressure makes the fan run incorrectly into the water heater control unit malfunction. / Then '(4) The cost of generating the wrong signal is also high, so the actual need to be improved:: surface wind pressure detection single [invention content] to send = = thermal performance safety control method, the motor The power consumed is used to judge the row; whether it is too large, that is, whether the air pressure is too large, that is, it is judged that the air-fuel ratio is strong enough, and the ignition process is performed, and whether the hot water state of the rolling type can be made. The control unit, the blower and the detecting unit are connected to the ignition and the forced exhaust water heater is connected to the detecting unit. First, when the user turns on the water supply unit, f is forced into the forced exhaust water heater. Detective The water volume is controlled by the ignition control unit. Next, when the ignition control unit knows that sufficient water is being introduced into the forced exhaust type water heater, the =!= control unit operates to drive the blower motor "preset speed and shadow". While the motor is running, the detection unit detects the speed of the operation, and returns the side signal to the exhaust control. The second-step control motor speed falls within the preset speed range. Finally, according to the preset At the time point, the power control saponus consumed by the motor will determine whether the power consumed by the motor at this time is less than the preset = 6 200825338 rate 'to determine whether the forced exhaust water heater exhaust port is blocked or the external wind pressure is too large, To control whether the ignition control unit performs the ignition procedure. [Embodiment] Please refer to the first figure, which is a main functional block diagram of the forced exhaust type water heater of the present invention. The pulsing exhaust water heater (1) includes an ignition control unit 10, a water injection unit 20, an exhaust control unit 30, and a A detection unit 40 and an air-extracting apparatus 50. The forced venting water heater 1 is connected to a water supply unit 2 for supplying water from the water supply unit 2: the hot water heated by the forced ventilating water heater 1 is used by the entrant. The water supply unit 20 is coupled to the ignition control unit 1A. When the user opens the water supply unit 2 connected to the forced exhaust type water heater 1, the water supply unit 2 automatically introduces the unheated cold water into the forced exhaust type water heater 1. And detecting the amount of water introduced into the forced exhaust type water heater 1 to generate a water quantity signal to the ignition control unit 1〇. The ignition control unit 10 is coupled to the exhaust control unit 30. When the ignition control unit 10 knows that sufficient water is being introduced into the forced exhaust type water crying 1 , there is no abnormal condition in the strong (four) gas water heater i, for example The exhaust vent is not blocked, the forced venting water heater i is outside the wind pressure (Wlnd _ure), etc., then the gas is introduced to perform the ignition process, and the cold water is introduced into the forced venting water heater i. The water supply unit 2 sends out hot water. In addition, while the water supply unit 7 200825338 is provided with the water quantity detection signal to the ignition control unit ίο, the ignition control unit 10 transmits an exhaust signal to the exhaust control unit 30. The exhaust control unit 30 is coupled to the blower 50 and the detecting unit 40, the detecting unit 40 is coupled to the blower 50, and the exhaust control unit 30 includes a monitoring unit 31 and a timing unit 33. When the ignition control unit 10 uses the exhaust control signal to drive the motor of the blower 50, the blower 50 actively directs the airflow to exhaust the exhaust gas combusted in the forced exhaust water heater 1. While the motor of the blower 50 is running, the detecting unit 40 detects the rotational speed of the motor running and the power of the blower (the power of the motor in operation) at any time to generate a detection signal to the monitoring unit 31 in the exhaust control unit 30, The monitoring unit 31 can monitor the operation of the blower 50 motor at any time. In addition, the timing unit 33 in the exhaust air control unit 30 counts the time during which the blower 50 motor operates according to a preset setting, so that the monitoring unit 31 can also control the operation of the blower 50 through the counting of the timing unit 33, and output the ignition control. The signal is sent to the ignition control unit 1Q to cause the ignition control unit 10 to perform an ignition process. However, when the exhaust port of the forced exhaust type water heater 1 is blocked or the wind pressure outside the forced exhaust type water heater 1 is excessively large, the rotational speed of the motor of the blower 50 is increased, and the power consumed by the motor is also increased. At this time, if the continuously increasing motor speed is converted to a fixed speed, the power consumed by the motor will decrease. Therefore, the present invention utilizes the physical characteristics of the above-mentioned motor to propose a safety control method for improving the combustion performance of the water heater. Referring to the second and third figures, the monitoring unit 31 is used to monitor the operation of the blower 50 motor operation 8 200825338. To further control the operation of the ignition control unit 1 , to prevent the phenomenon of flammable due to obstruction of the exhaust port or excessive wind pressure. The second figure is a flow chart for performing safety control of the forced exhaust type water heater of the present invention, and the third version is a timing chart for performing safety control of the strong (four) gas water heater of the present invention. η~ w八川$叩狄伏 I early 兀^, the water supply unit 2〇 will automatically introduce unheated cold water into the forced venting water heater i towel, and test the introduction of forced exhaust water heater! The amount of water in the amount is generated to generate a water quantity quotation to the ignition control unit 1〇, as in step S210. Then, when the ignition control A1G knows that there is enough water to be introduced into the strong 1 hot water benefit 11, it will send a row of wind control signals to the exhaust air control I, so that the monitoring unit 31 drives the blower 50 motor according to the pre-转速 Speed and - preset time to run, such as the step secret and the second set to count, to control and control the forced exhaust type water heater 1: ^ day order. Wherein 'when the motor is running, the detecting unit 40: measures the running speed of the motor, and transmits the detecting signal to the monitoring unit ^H into the rt to determine whether the running speed of the motor reaches the preset target range of the preset speed, the error range Assume that the number of revolutions per minute is re: utlons per minute, 卬m) is (10), as in step qing. The hoisting speed has not reached the preset speed, even the preset speed of 31 50 bow far two i: ^ 朗 motor turns into the range of the preset speed. When the speed of the horse has reached the speed of the coffee set and its error range _, the detection ^40 stomach further detects the force rate of the blower 5 to the secret signal to generate the time gate θ $ P : S240, and determining whether the motor operation knows whether the time has been preset, such as step 200825338, when the motor running time has not reached the preset time, the detecting unit 40 will continuously detect the power consumed by the motor during operation, and The detection signal is transmitted to the monitoring unit 31. When the motor has been running for a preset time, the detecting unit 40 transmits the detection signal generated by the power detected at this time to the monitoring unit 31, and after receiving the detection signal at this time, the monitoring unit 31 receives the detection signal at this time. Based on the detection signal, it is further determined whether the power consumed by the blower 50 motor at this time is less than a predetermined power, as in step S260. When the power consumed by the motor at this time is greater than the preset power, it indicates that the wind pressure outside the forced exhaust water heater 1 may be within the normal range, and the exhaust port thereof is not blocked, and the forced exhaust type at this time The water heater 1 may be in a good condition of air and fuel mixing, and when the ignition control unit 10 performs the ignition procedure, the phenomenon of knocking does not occur, so the monitoring unit 31 further sends an ignition control signal to the ignition control unit 10 to The ignition control unit 10 is driven to perform an ignition process, introduces gas into the forced exhaust type water heater 1, and heats the cold water introduced into the forced exhaust type water heater 1, and sends the hot water to the water supply unit 2, as by step S273. When the power consumed by the motor at this time is indeed less than the preset power, it indicates that the wind pressure outside the forced exhaust type water heater 1 may be too large, so that the forced exhaust type water heater 1 may not easily reach a good condition of air and fuel mixing, or forced discharge. The exhaust port of the gas water heater is blocked, so the monitoring unit 31 does not send the ignition control signal to the ignition control unit 10, and further determines whether the power consumed by the motor continues for a continuous time less than the preset power, as in step S27Q. When the power consumed by the motor at this time is not continuously less than the preset power, it indicates that the wind pressure outside the forced exhaust type water heater 1 may not be in a continuously excessive state, and the exhaust port of the forced exhaust type water heater 1 is not presented. Subject to 10 200825338 = 嶋 type water heater 1 can still be in the range of air and fuel mixing. When the ignition control unit ι〇 performs the ignition procedure, it is not easy to deflagrate, so the ignition control signal is monitored. To the ignition control display element into a 1 (three) Fu ^ " fire program. W early 兀...Improve the ignition control unit to perform the spotting. The power consumption of the motor in the day is indeed less than the preset power. ^The wind pressure outside the forced venting water heater 1 may continue to be too large, or The exhaust vent of the forced venting water heater i is obstructed. The air and fuel mixing of the forced vented water heater in this day will be unsatisfactory. For example, when the ignition control unit 1Q is ignited, it is prone to deflagration. phenomenon. Therefore, the ignition control signal will not be transmitted to the ignition control unit 10 at this time. The ignition control unit will be activated. The ignition program will be executed. That is, the ignition control unit 1G will not introduce gas into the forced exhaust type water heater i. The burning M1 heats the cold water introduced into the forced exhaust type water heater i, as in step S280. Yashen No. 31 will control the motor of the blower 5Q to stop running. In this way, in the case that the forced vented water heater 1 can work normally, the gas introduced by the ignition control unit 1 can be properly mixed with the air to achieve the combustion condition of the #, ensuring good combustion. The situation is that the heat efficiency is high and the combustion exhaust gas value is low. However, in the case where the forced ventilating water heater 1 does not operate... • "~W Γ / that is, if the wind pressure at the ventilating port continues to be excessively large, or the exhaust σ is blocked, and the ignition procedure is not performed, When the hot water is used to heat the cold water, if the water supply unit 2 is restarted and the problem of the air outlet is blocked, the water supply unit 1 and the vented water heater are restarted to return to steps S210 to S270.彳 制 新 尝试 点火 点火 点火 点火 点火 点火 点火 点火 点火 点火 点火 点火 点火 点火 点火 点火 点火 点火 点火 点火 点火 点火 点火 点火 点火 点火 点火 点火 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 The counting will be started, and the counting result is transmitted to the monitoring unit 31 to determine whether the preset time is reached. The less time is the ignition period, and when the motor has reached the preset time, if the f reaches the consumption at the time point A When the power is higher than the preset power, the ignition control unit 10 will perform the ignition procedure, and the motor speed will decrease slightly. The m is the idle time. When the ignition control unit fails the ignition program, the daily order number 33 starts counting, so that the ignition control element is prepared at %•interval B and then the ignition process is performed. The broadcast mi is continuous time 'when the motor has reached the preset time', but the motor consumes power at time point A. Below the preset power, if I - " - -«-" r:= is in the unit, then the order is 10, and the ignition program will not be rotated after the continuous time ends. Μ(4)& In addition to the starting point, the time point ΑΙ%Β is to prevent the blasting of the smashing station: the starting rate of the anvil's private order* is in the box W, which is provided in the motor safety control method. When the ignition control (four) U2 crying nmh kg order 吏 forced venting hot water cold water. However, when the ignition process is re-executed several times and then the second fire is heated, the supply of gas is not a problem. ",,, force", 12 200825338 The invention provides the advantages that the speed of the blower motor is fixed, and the physical characteristics of the blower, whether the exhaust port is blocked or the power of the forced exhaust type === is judged to be a forced exhaust type water heater. Ignition ',,,,--outside wind is If it is too large, the invention can provide an appropriate air-fuel ratio. - After the failure of the ignition process, the ignition control unit can be in the order to improve the success rate of the ignition heating. The re-expected advantage provided by the present invention is that the π-speed, the preset time of the motor operation, and the motor operation; the preset rotation determines whether the forced-exhaust water heater is as good as the other advantage provided by the present invention. " The exhaust vent is blocked, or the outside wind ^ When the forced venting water heater unit will not perform the ignition procedure, and immediately, the ignition control will ignite the phenomenon to ensure the safety of the user. 4 to ignite to prevent the explosion of the invention Another advantage provided is that, in the case of normal operation of the water device, the combustion condition of the ignition control unit is good, that is, the thermal efficiency is high, and the combustion exhaust gas value is low, and the reference figure is only provided for reference and explanation. Use, not by limit. (4) The above is only a preferred and feasible implementation of the present invention. Therefore, the equivalent scope of the invention is not limited to the use of the present invention. Within, combined with Chen Ming. The model of the month [simplified description of the drawings] The first figure is the main work of the forced exhaust type water heater of the present invention. 13 200825338 can be a block diagram; the second figure is the safety control of the forced exhaust type water heater of the present invention. The flowchart and the third diagram are timing diagrams for performing safety control of the forced exhaust type water heater of the present invention. [Main component symbol description] Forced vented water heater 1 Ignition control unit 10 Water supply unit 20 Exhaust control unit 30 Monitoring unit 31 Timing unit 33 Detection unit 40 Blower 50 Water supply unit 2 14