TWM409401U - Electric heating device - Google Patents

Electric heating device Download PDF

Info

Publication number
TWM409401U
TWM409401U TW100203844U TW100203844U TWM409401U TW M409401 U TWM409401 U TW M409401U TW 100203844 U TW100203844 U TW 100203844U TW 100203844 U TW100203844 U TW 100203844U TW M409401 U TWM409401 U TW M409401U
Authority
TW
Taiwan
Prior art keywords
water
electric heating
unit
heating device
control
Prior art date
Application number
TW100203844U
Other languages
Chinese (zh)
Inventor
You-Tian Lin
Original Assignee
You-Tian Lin
Cai Qing Yun
Lin yu qing
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 You-Tian Lin, Cai Qing Yun, Lin yu qing filed Critical You-Tian Lin
Priority to TW100203844U priority Critical patent/TWM409401U/en
Publication of TWM409401U publication Critical patent/TWM409401U/en
Priority to JP2012040873A priority patent/JP2012186164A/en

Links

Description

M409401 五、新型說明: 【新型所屬之技術領域】 • 本創作侧於—魏加歸置H種無_轨儲水,並 .藉由漸層式加熱之方式,俾具節能省電、提升使用好性以及 ’增加水溫之穩定性之優點及功效者。 【先前技術】M409401 V. New description: 【New technology field】 • This creation side is located in Weijia, where H-type non-track water storage is placed, and by means of gradual heating, the cooker saves energy and improves use. Goodness and the advantages and functions of increasing the stability of water temperature. [Prior Art]

按’ -般家庭所使㈣熱水器,主要係以液化石油氣或天終 氣作為燃料,供轉換為加熱所需用水之熱能,但近年來人類逐漸 =視溫室效敍錢變鮮環簡題,⑽免地球資馳過度耗 貝,尤其是未來祕的麵,—方面職少雜财能源,另一 p則嘗綱發新的能源,不論如何,隨著液化石油氣或天然氣According to the '--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- (10) Exempting the global capital from excessive consumption, especially in the future, the face is less energy, and the other p is a new energy source, in any case, with LPG or natural gas.

等燃枓價格持續攀升’為獲得日常所需之熱水,傳統熱水器之燃 料費於家庭中所占費用亦越來越高。 再者’傳統熱水衫安裝在室内或封閉之陽台,且其崎過 程中須排放定量之廢氣,即其燃燒使用之空氣取自室内空間,再 將燃燒後顧透過魏管或贼機*減至料,爰此,當傳統 熱水器安衫_魏辭輯綠時,易產《料完全的- 氧化碳(即為廢⑽—部分),進而造成使用紗生命上之威脅,即 社會新聞層出不窮的—氧化碳+毒事件。 3 M409401 除上述問題外’傳統熱水器之加熱方式因受到水愿變化之影 響’導致水溫忽冷忽熱之情形常發生’然而,當水溫忽然變冷時, 易造成使用者無法馬上適應溫度變化而生病,尤其對孩童及老人 而言更為一嚴重缺失,又若水溫忽然變熱時,則易有烫傷使用者 之虞’無論上述何種情形之發生都會降低使用之安全性及舒適度。 有鑑於此,本創作人乃藉多年從事相關產品之製造經驗,並 在經過長期研發測試及不斷改良後,始有本創作之問世。 【新型内容】 緣是’本創作之目的在於改善傳統熱水II所存有高度能源耗 損、燃料費用高漲、錢上安全性低落’以及無法轉水溫而影 響使用上舒適度之種種問題。 為解決上述問題,本創作主要係提供—種電加_置,分別 接設-進水口及-ίϋ水Π ’且其包括:複數電熱單元,供給熱能 予-水源之水;複數控制單元’與該等電熱單元呈電性連結,且 該等控鮮元制邮做計算電鮮元之錢;複數感°應單 几’裝設於近該出水σ處’供感應水流及水溫用;—電源開關, 其一端電連接該祕單元,控繼電加難置之啟域關閉;及 -電源調節單元,分顺該控制單元及該電源關呈電性連結, 用以調節該電加熱裝置之電壓。 庳上:述之電加熱裝置,其中,該電源開關電連接-漏電感 ’ /、錢加絲置漏電時鋪關_電源開關用。 糟以上設置’本_迪於先術,係具有節 升使用安全性,以及增料溫之觀狀_及触。k 【實施方式】 ,關於本創作人之技術手段,茲舉—種較佳可行實施例配合圖 式於下文進行詳細說明’俾供耻深入了解並認同本創作。 請先參閱第-圖所示,本創作之電加熱裝置係分別接設一進 水口 1,該進水口 1連結一水源;及一出水口 2,該出水口 2連結 一出水元件(如:水龍頭或蓮蓬頭),且該電加熱裝置包括:五組電 熱單元3a、3b、3c、3d、3e (以本實施例而言,該電熱單元為電 熱管’但不以此為限定)’供給熱能予自該進水口 1流入之水;五 組控制單元4a、4b、4c、4d、4e,與該等電熱單元3a、3b、3c、 3d ' 3e呈電性連結,且該等控制單元4a、4b、4C、4d、4e係用以 控制及計算電熱單元之熱量;至少二感應單元(即水流感應單元5 及水溫感應單元6),裝設於近該出水口 2處,其一用以感應水流 經出水口 2,另一則用以感應經電熱單元3a、3b、3c、3d、3e加 熱後之水溫;一電源開關7,其一端電連接該感應單元5、6,控 制該電加熱裝置之啟動或關閉,而其另一端電連接一漏電感應元 件8 ’供該電加熱裝置漏電時強制關閉該電源開關7用;及一電源 M409401 調節單元9,分別與該控制單元 m 1 s ^ ^ ^ 4b、4c、4d、4e 及該電源開 ;,本創作人 單元之數量為相互對 〜連結’用以調節該電加熱裝置之電壓, 在此需提出說明的是’該電熱單元與該控制 應者,但不以此為限。 續請參閱第二圖所心當使用者欲取用熱水時,將打開該出 水口 2所連結之出水元件,即水龍頭或蓮蓬頭,而於此同時該水 源^水流人該進水π卜形成—定水量之流動,令該水溫感應單元 6量測-初始水溫,該初財溫之峨被傳送至控制單以&、扑、 4d 4e ’以及6亥水流感應單元5因感應到水流而促使電源開 ^7啟動’即該電加齡置呈通綠態;摘作人在此需說明的 疋’該水職人進水口 1之水流量若未達水流感應單元5之預設 標準’便無法促使電源開關7啟動;接著依據控制單元4a、4b、 4c'4d、4e所接受之初始水溫’令電源調節單元9對控制單元如、 4b、4c、4d、4e供給適當電壓,而該控制單元4a、4b、4c、4d、 知再給予電熱單元33、31)、3(;、3(1、36所需之電能,該電熱單元 3a、3b、3c、3d、3e所需之熱量將自進水口 1流入之水加熱達使 用者期望之水溫;請再次參閱弟一圖所示,該電熱單元3a、3b、 3c、3d、3e與該控制單元4a、4b、4c、4d、4e之數量相互對應, 而各控制單元4a、4b、4c、4d、4e經計算後分別給予對應之電熱 單元3a、3b、3c、3d、3e相異電能,令該等電熱單元3a、3b、3c、 3d、3e可供給加熱水之熱能逐漸增加,即先接收自進水口 1之水 文電熱單元3a具有最大可供給加熱水之熱能。 量心水==溫,使用者期望之水溫,並依照 之L值疋否改心令電源調節單元9改變供給控制單元如、 4c、4d、4e之電壓,若加熱後水溫超過鮮值控制單元如、 3 Me、4d、4e將重新計算並重新給予對應之電熱單幻㈠卜 3d、3e f此’尤其是加熱後水溫過高時,控制單元如、扑、 知、4d、4e可完全停止對電熱單元允、%、允、如、弘供電以 ,實施例而言’五組電熱單元3a、3b、3c、3d、知可能僅剩下三 、、且呈通電狀態’其餘電鮮元3a、3b為控鮮元&、扑所斷電。 藉由以上設置,本創作確實具如下所述之優點及功效: L節能省電:由於本創作具水流感應單元,傳送訊號以控制 • 電源開關之啟閉,當水流感應單元感應不到水自出水口流 . 出時,便會令電源開關自動關閉,反之則令電源開關自動 、 開啟’即電能之耗用僅在使用者需要取用熱水時,此外, , 具調配性電熱單元之設置’一旦水溫超過期望值便透過控 制單元停止供電給電熱單元,意即減少多餘電能之消耗, 俾具節省能源、節省電力之優點。 2.提升使用安全性:相較於傳統熱水器常因燃燒不完全而造 成一氧化碳中毒事件,對使用者生命上之威脅極大,本創 M409401 作之電加熱裝置係將電能轉換為熱能,即透過電阻之方式 來產生熱能,因而降低使用上之危險性。 增加水溫之敎性:由於摘作之水溫錢單元持續地感 應經電熱單元加紐之水溫,並錄者之水溫, 於量測到之水溫不符期望值或有所改變時,便透過控^ 元與電熱單元之作動,令水溫達至期望值並呈值溫狀態, 進而可提升使用之舒適度。 綜觀上述,本創作之構造特徵確實具有實闕值及進步性, μ其整體結構而言,誠.合專概之歧要件,纽法提出新The price of burning fuel continues to rise. In order to obtain the hot water needed daily, the cost of fuel for traditional water heaters is also increasing in the family. In addition, the 'traditional hot water shirt is installed indoors or closed balcony, and the exhaust gas must be discharged during the process of sacrificing, that is, the air used for combustion is taken from the indoor space, and then the combustion is reduced to the material through the Wei pipe or the thief machine*. Therefore, when the traditional water heater An _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Carbon + poisoning events. 3 M409401 In addition to the above problems, 'the heating method of the traditional water heater is affected by the change of the water', the water temperature is often cold and hot. However, when the water temperature suddenly becomes cold, it is easy for the user to adapt to the temperature immediately. Change and get sick, especially for children and the elderly, if the water temperature suddenly becomes hot, it is easy to burn the user's shackles. No matter what happens, it will reduce the safety and comfort of use. degree. In view of this, the creator has been engaged in the manufacturing experience of related products for many years, and after a long period of research and development and continuous improvement, the creation of this creation has begun. [New content] The reason is that the purpose of this creation is to improve the high energy consumption of traditional hot water II, the high fuel cost, the low security of money, and the inability to change the water temperature and affect the comfort of use. In order to solve the above problems, this creation mainly provides a kind of electric _ _, respectively connected - water inlet and - ϋ ϋ 且 ' and it includes: a plurality of electric heating units, supply of heat to the water source; complex control unit 'and The electric heating units are electrically connected, and the control of the fresh elements is used to calculate the money of the electric fresh yuan; the complex sense should be installed in the vicinity of the water σ for the induction water flow and water temperature; a power switch, one end of which is electrically connected to the secret unit, and the control relay is connected to the hard-opening; and the power regulating unit is electrically connected to the control unit and the power supply to adjust the electric heating device. Voltage.庳上: The electric heating device described above, wherein the power switch is electrically connected to the leakage inductance ’ /, and the money is placed on the drain _ power switch. Dirty settings above _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ k [Embodiment] With regard to the technical means of the present creator, a preferred and feasible embodiment is described in detail below with reference to the drawings. Please refer to the first figure, the electric heating device of the present invention is respectively connected with a water inlet 1, the water inlet 1 is connected with a water source; and a water outlet 2 is connected to a water outlet component (such as a water tap). Or the shower head), and the electric heating device comprises: five sets of electric heating units 3a, 3b, 3c, 3d, 3e (in the embodiment, the electric heating unit is an electric heating tube 'but not limited thereto) 'supply heat energy The water flowing in from the water inlet 1; the five groups of control units 4a, 4b, 4c, 4d, 4e are electrically connected to the electric heating units 3a, 3b, 3c, 3d' 3e, and the control units 4a, 4b 4C, 4d, 4e are used to control and calculate the heat of the electric heating unit; at least two sensing units (ie, the water flow sensing unit 5 and the water temperature sensing unit 6) are installed near the water outlet 2, one of which is used for sensing The water flows through the water outlet 2, and the other is used to sense the temperature of the water heated by the electric heating units 3a, 3b, 3c, 3d, 3e; a power switch 7 is electrically connected to the sensing unit 5, 6 at one end to control the electric heating device. Turning on or off, and the other end is electrically connected to a leakage sensing element 8' for the When the electric heating device leaks, the power switch 7 is forcibly turned off; and a power supply M409401 adjusting unit 9 is respectively connected to the control unit m 1 s ^ ^ ^ 4b, 4c, 4d, 4e and the power source; The quantity is mutually opposite to the connection 'to adjust the voltage of the electric heating device, and the electric heating unit and the control should be described here, but not limited thereto. Continued, please refer to the figure in the second figure. When the user wants to take hot water, the water outlet element connected to the water outlet 2, that is, the faucet or the shower head, will be opened, and at the same time, the water source and the water flow person should form the water into the water. - the flow of the constant water amount, so that the water temperature sensing unit 6 measures the initial water temperature, and the initial temperature is transmitted to the control sheet to &, flutter, 4d 4e 'and 6 sea water flow sensing unit 5 to sense the water flow Promote the power supply to start ^7', that is, the electric age is set to pass through the green state; the extractor needs to explain here 疋 'The water flow of the water inlet 1 does not reach the preset standard of the water flow sensing unit 5' The power switch 7 cannot be activated; then the power supply adjusting unit 9 supplies the appropriate voltage to the control units, such as 4b, 4c, 4d, 4e, according to the initial water temperature received by the control units 4a, 4b, 4c'4d, 4e, and The control unit 4a, 4b, 4c, 4d, knowing the electric energy required for the electric heating unit 33, 31), 3 (;, 3 (1, 36), the heat required for the electric heating unit 3a, 3b, 3c, 3d, 3e The water flowing in from the water inlet 1 is heated to the temperature of the user's desired water; please refer to the younger brother again. It is shown that the number of the electric heating units 3a, 3b, 3c, 3d, 3e and the control units 4a, 4b, 4c, 4d, 4e correspond to each other, and the respective control units 4a, 4b, 4c, 4d, 4e are respectively given after calculation Corresponding electric heating units 3a, 3b, 3c, 3d, 3e are different in electric energy, so that the electric energy of the electric heating units 3a, 3b, 3c, 3d, 3e can be supplied to the heating water gradually increases, that is, the hydroelectric heat received from the water inlet 1 is first received. The unit 3a has the maximum heat energy that can supply the heated water. The centrifugal water ==temperature, the temperature of the water desired by the user, and according to the L value, the power regulating unit 9 changes the supply control unit such as 4c, 4d, 4e. Voltage, if the water temperature exceeds the fresh value control unit such as, 3 Me, 4d, 4e will be recalculated and re-given to the corresponding electric heat single magic (a) Bu 3d, 3e f this 'especially when the water temperature is too high after heating, control The units such as, rush, know, 4d, 4e can completely stop the power supply to the electric heating unit, %, Yun, Ru, Hong, etc., in the embodiment, 'five sets of electric heating units 3a, 3b, 3c, 3d, knowing that only the left Third, and in a state of power supply, the remaining electric fresh elements 3a, 3b for the control of fresh elements & With the above settings, this creation does have the following advantages and functions: L energy saving: Since the creation has a water flow sensing unit, the signal is transmitted to control the power switch to open and close, when the water flow sensing unit does not sense the water When the water outlet flows out, the power switch will be automatically turned off, otherwise the power switch will be automatically turned on, that is, the power consumption is only when the user needs to take hot water, and, in addition, with the matching electric heating unit Setting 'When the water temperature exceeds the expected value, the power supply to the electric heating unit is stopped through the control unit, which means reducing the consumption of excess electric energy, and the utility model saves energy and saves electricity. 2. Improve the safety of use: Compared with the traditional water heater, the carbon monoxide poisoning event caused by incomplete combustion is extremely threatening to the user's life. The electric heating device of the M409401 is converted into heat energy, that is, through the resistor. The way to generate thermal energy, thus reducing the risk of use. Increasing the temperament of water temperature: Since the water temperature unit of the water is continuously sensing the water temperature of the electric heating unit and the temperature of the water, if the measured water temperature does not meet the expected value or changes, Through the action of the control unit and the electric heating unit, the water temperature reaches the desired value and is in a state of temperature, thereby improving the comfort of use. Looking at the above, the structural features of this creation do have real depreciation and progress. μ In terms of its overall structure, it is a matter of commons and differences.

型專利申請 综上所述’本__露之技射段確可達致麵之目的 ^且確具進步性,關專船所稱續麵誤,纽法提出 月·、、祈肖上惠予詳審並賜准新型專利,至感德馨。In the above-mentioned patent application, the 'this __ 露 技 技 确 确 确 确 确 确 确 确 确 确 确 ^ ^ ^ ^ ^ 技 技 技 技 技 技 技 技 技 技 技 技 技 技 技 技 技 技 技 技 技 技 技 技Review and grant a new type of patent, to the sense of Dexin.

切^摘述者,僅為本創作之較佳實施例,當不能以此限 内容所tr® ’即纽依摘㈣請糊細賴型說明 所作之義與料,皆_屬本_專_蓋之範圍内 【圖式簡單說明】 第一圖係本創作之結構圖 第二圖係本創作之流程圖 8 M409401 * » 【主要元件符號說明】 1- -進水口 2- 出水口 • 3a、3b、3c、3d、3e-電熱單元 • 4a、4b、4c、4d、4e--控制單元 * 5--水流感應單元 6- 水溫感應早元 7- 電源開關 8- -漏電感應元件 9-電源調節單元The excerpts are only the preferred embodiment of this creation. When it is not possible to limit the contents of this product, that is, the content of the product is the same as the material. In the scope of the cover [Simple description of the drawing] The first picture is the structure of the creation. The second picture is the flow chart of this creation. 8 M409401 * » [Main component symbol description] 1- - Inlet 2 - Outlet • 3a, 3b, 3c, 3d, 3e-electric heating unit • 4a, 4b, 4c, 4d, 4e--control unit* 5--water flow sensing unit 6- water temperature sensing early element 7- power switch 8--leakage sensing element 9- Power conditioning unit

Claims (1)

M409401 六、申清專利範圍: 1.種电加熱裝置,分別接設—進水口及一出水口且其包括: 複數電熱單it,供給熱舒—水源之水; …複數㈣單元’與鮮電熱單元呈電性連結,且該等控制單 兀係用以控制及計算電熱單元之熱量; 複數感應單元’裝⑤於近該&水口處,供感應水流及水溫用; 電源開關’其一端電連接該感應單元,用以控制該電加熱 裝置之啟動或關閉;及 電原調痛單元,分別與該控制單元及該電源開關呈電性連 結,用以調節該電加熱裝置之電壓。 2.如申請專利範圍第1 關電連接一漏電感應元件, 源開關用。 項所述之電加熱裝置,其中,該電源開 供該電加熱裝置漏電時__該電M409401 VI. Shenqing patent scope: 1. Kind of electric heating device, respectively connected to the water inlet and a water outlet and including: a plurality of electric heating single it, supply water to the hot Shu water source; ... plural (four) unit 'with fresh electric heat The unit is electrically connected, and the control unit is used to control and calculate the heat of the electric heating unit; the plurality of sensing units are mounted at the water inlet for the sensing water flow and the water temperature; The sensing unit is electrically connected to control the activation or deactivation of the electric heating device; and the electroporation device is electrically connected to the control unit and the power switch to adjust the voltage of the electric heating device. 2. If the application area is the first to electrically connect a leakage sensing element, the source switch is used. The electric heating device according to the item, wherein the power source is turned on when the electric heating device leaks
TW100203844U 2011-03-04 2011-03-04 Electric heating device TWM409401U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW100203844U TWM409401U (en) 2011-03-04 2011-03-04 Electric heating device
JP2012040873A JP2012186164A (en) 2011-03-04 2012-02-28 Quick heating type electric heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW100203844U TWM409401U (en) 2011-03-04 2011-03-04 Electric heating device

Publications (1)

Publication Number Publication Date
TWM409401U true TWM409401U (en) 2011-08-11

Family

ID=45085234

Family Applications (1)

Application Number Title Priority Date Filing Date
TW100203844U TWM409401U (en) 2011-03-04 2011-03-04 Electric heating device

Country Status (2)

Country Link
JP (1) JP2012186164A (en)
TW (1) TWM409401U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI471510B (en) * 2012-05-16 2015-02-01 Yu Chen Lin Electric heating device
TWI550239B (en) * 2014-01-15 2016-09-21 Intelligent water - saving water - saving device and its control method
CN115235115A (en) * 2021-04-22 2022-10-25 林祐真 Intelligent electric heating device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109974287A (en) * 2019-04-26 2019-07-05 芜湖艾尔达科技有限责任公司 A kind of small size high efficiency electric heater unit with function of recovering waste heat

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6226451A (en) * 1985-07-25 1987-02-04 Matsushita Electric Ind Co Ltd Electric instantaneous water heater
JPS63185048U (en) * 1987-05-21 1988-11-28
JP2000220888A (en) * 1999-01-29 2000-08-08 Sony Disc Technology Inc Method and device of fluid heating device
JP4293057B2 (en) * 2004-05-26 2009-07-08 パナソニック株式会社 Fluid heating device and sanitary washing device provided with the same
WO2009037775A1 (en) * 2007-09-20 2009-03-26 Komatsu Electronics Inc. Device and method for controlling temperature of fluid
JP5256541B2 (en) * 2007-10-11 2013-08-07 株式会社Kelk Fluid heating device
CA2742886A1 (en) * 2008-12-19 2010-06-24 Hsuan Yao Huang Vehicular fluid heater

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI471510B (en) * 2012-05-16 2015-02-01 Yu Chen Lin Electric heating device
TWI550239B (en) * 2014-01-15 2016-09-21 Intelligent water - saving water - saving device and its control method
CN115235115A (en) * 2021-04-22 2022-10-25 林祐真 Intelligent electric heating device
CN115235115B (en) * 2021-04-22 2023-12-19 林祐真 Intelligent electric heating device

Also Published As

Publication number Publication date
JP2012186164A (en) 2012-09-27

Similar Documents

Publication Publication Date Title
CN104976782B (en) The control method of vertical electric water heater
TWM409401U (en) Electric heating device
CN206207717U (en) A kind of central fuel gas water heating device with memory alloy one-way valve
CN205825411U (en) A kind of gas heater of band heating function
CN2779308Y (en) Heat-pump type water-heater
CN205783734U (en) Novel energy-conserving water heater
TWI700467B (en) Water preheating system and water preheating mothod
CN208205445U (en) A kind of water heater with scald-preventing function
WO2014146224A1 (en) Flush toilet with heater
CN203657171U (en) Circulating instant energy-saving water heater
CN202709481U (en) Automatic temperature control water heater
CN205561229U (en) Energy -conserving water conservation gas hot water system
WO2014146223A1 (en) Bathroom cabinet with heater
CN208419232U (en) A kind of intelligent water heater
CN207741332U (en) Flue Gas Water Heater
TW201013130A (en) Water saving and temperature controlled water supply system
CN202125986U (en) Comprehensive heating system using solar fuel-gas instant water heater
CN201081382Y (en) Novel water heater
CN206861898U (en) A kind of gas heater with hydroelectric generator
CN210485872U (en) Double water-heating kang capable of regulating temperature at one side
CN115540030B (en) Control method of heat pump system, heat pump system and storage medium
CN202032754U (en) Electrical heating device
TWI273202B (en) Thermostatic device and method for a water heater
CN207880916U (en) A kind of separate type heating plant
CN206540232U (en) It is a kind of to connect integrated wall-hung boiler heating control system more

Legal Events

Date Code Title Description
MM4K Annulment or lapse of a utility model due to non-payment of fees