201231323 六、發明說明： 【發明所屬之技術領域】 發月疋有關衣種椅子，且特別是有關於一種車輛使 用之具備調溫功能的車椅。 【先前技術】 椅子為用以提供人們乘坐的生活重要物件之一，隨著工業 與科技的進步’椅子的造型與結構也愈來愈多樣化，然而我們201231323 VI. Description of the invention: [Technical field to which the invention pertains] A hairdressing chair for a clothing type, and particularly a vehicle having a temperature regulating function for use in a vehicle. [Prior Art] The chair is one of the important objects of life for people to ride. With the advancement of industry and technology, the shape and structure of the chair are becoming more and more diverse, but we
C由於生活的需要，有時人們必須長時間乘坐在椅子上才 能夠完成生活的工作。 例如，當長距離開車時，人們股部與車椅乘坐部之間會產 生酿度(熱能）’此溫度難免會造成人們股部的不適，而常見 的股部瘡峨皮膚疾病等亦是因為人們長時間乘坐於椅子上 此溫度所造成的結果’因此若能夠提供—種具備調溫功能的車 椅對於人們長距離開車來說勢必為一大福音。 【發明内容】 有鑑於此，本發明提供一種具備調溫功能的車椅。 為達上述之目的’本發明提供一種具備調溫功能的車椅， 包3椅座、熱電致冷模^(thermGeleetric瓜。她)以及溫 度，制器。椅座具有乘坐部；熱電致冷模組包含—第—溫度施 ^卓元，此第-溫度施加單元接觸乘坐部；溫度控制器電性連 接熱電致冷模組以控制第一溫度施加單元的一溫度。 依照本發_實施例所狀具備繼功能的車椅，上述 …'電致冷肋包含位置相對第—溫度施加單元的第二溫度施 201231323 « 加單元。 依照本發明的實施例所述之具備調溫功能的車椅，上述熱 電致冷模組配置在椅座内部。 依照本發明的實施例所述之具備調溫功能的車椅，上述第 一溫度施加單元為一冷端。 依照本發明的實施例所述之具備調溫功能的車椅，上述第 一溫度施加單元為一熱端。 依照本發明的實施例所述之具備調溫功能的車椅，上述具 • 備調溫功能的車椅更包含椅背。 依照本發明的實施例所述之具備調溫功能的車椅，上述溫 度控制器包含用以控制此溫度的溫度調節鈕，以及所述具備 調溫功能的車椅更包含電源’電源具有極性相對的第一極 鈿與第二極端；電源更電性連接用以切換第一極端與第二極 端之極性的切換開。關，所述切換開關能夠由雙刀雙擲開關或半 導體功率開關來實現。另外，具備調溫功能的車椅更包含波 • 寬調制溫度控制模組以及用以感測溫度的溫度感測器，所 述波寬調制溫度控制模組電性連接溫度調節鈕、電源與溫 度感測器’波寬調制溫度控制模組用以依據此温度而控制 電源之電流大小或切換開關。 本發明較先前技術具有如下功效：乘坐者能夠利用溫度控 制器控制第—溫度施加單元以調節乘坐部的溫度，據此以避免 乘坐者股部與椅子乘坐部之間因為產生之溫度所造成乘坐者 的不適問題。 201231323 【實施方式】 為讓本發明之上述目的、特徵和特點能更明則懂，兹 配合圖式將本發明相關實施例詳細說明如下。 請同時參閱圖i與圖2，圖i為本發明一實施例具備調溫 功能的車椅的示意圖；圖2為圖1椅座的局部剖視圖。 具備調溫功能的車椅丨包含職1G、㈣致冷模组 (thenn〇electric c〇〇ling m〇dule)u 以及溫度控制器 12。於此實 施例中’具備調溫功能的車椅1更包含供乘坐者背部抵靠的椅 •背 13。 椅座10具有乘坐部100以供乘坐者乘坐。熱電致冷模組 11亦稱為致冷晶片或熱電致冷日日日片（Aennoeleetrie _ling chip) 等。所述熱電致冷模組n屬於一種半導體元件並包含第一溫 度施加單元U1與位置相對第一溫度施加單元111的第二溫度 施加單元112。 所述第一溫度施加單元m接觸乘坐部1〇〇，例如熱電致 • 冷拉組11配置在椅座10内部，使得第一溫度施加單元111位 ;乘丄。卩1.00下方並接觸乘坐部，如此能夠對乘坐部1〇〇 知加值度，進而避免乘坐者因長時間乘坐在乘坐部1〇〇時， 乘坐者的股部與乘坐部刚之間所產生的一乘坐溫度造成乘 坐者不適之問題。 其中，乘坐部1〇〇的材質能夠選用具有導溫效能的材質(例 如金屬類或塑膠類等），以確實將第一溫度施加單元nl所施 加的恤度傳導至乘坐部100，並且乘坐部i⑻能夠避免乘坐者 201231323C Because of the needs of life, sometimes people have to ride in a chair for a long time to complete the work of life. For example, when driving long distances, there is a degree of brewing (heat energy) between the people's legs and the seat of the chair. 'This temperature will inevitably cause discomfort in people's thighs, and common stocks of sores and skin diseases are also because The result of this temperature caused by people riding in a chair for a long time 'so if you can provide a kind of chair with temperature adjustment function, it is a great boon for people to drive long distances. SUMMARY OF THE INVENTION In view of the above, the present invention provides a vehicle chair having a temperature adjustment function. In order to achieve the above object, the present invention provides a vehicle chair having a temperature regulating function, comprising a seat, a thermoelectric cooling mold (thermGeleetric melon), and a temperature and a controller. The seat has a seat portion; the thermoelectric cooling module includes a first temperature applying unit, the first temperature applying unit contacts the seat portion, and the temperature controller is electrically connected to the thermoelectric cooling module to control the first temperature applying unit. a temperature. According to the hairdressing chair of the present invention, the above-mentioned electric cooling rib includes a second temperature position relative to the first temperature applying unit 201231323 «Adding unit. According to the vehicle chair having the temperature adjustment function according to the embodiment of the present invention, the thermoelectric cooling module is disposed inside the seat. According to the vehicle chair having the temperature adjustment function according to the embodiment of the invention, the first temperature applying unit is a cold end. According to the vehicle having the temperature adjustment function according to the embodiment of the invention, the first temperature applying unit is a hot end. According to the vehicle chair having the temperature regulation function according to the embodiment of the present invention, the above-mentioned vehicle having the temperature adjustment function further includes a seat back. According to the vehicle chair with temperature regulation function according to the embodiment of the invention, the temperature controller includes a temperature control button for controlling the temperature, and the vehicle chair with the temperature adjustment function further includes a power source. The first pole and the second pole; the power source is electrically connected to switch the polarity of the first pole and the second pole. Off, the switch can be implemented by a double pole double throw switch or a semiconductor power switch. In addition, the vehicle with the temperature adjustment function further includes a wave width modulation temperature control module and a temperature sensor for sensing temperature, and the wave width modulation temperature control module is electrically connected with the temperature adjustment knob, the power source and the temperature. The sensor's bandwidth modulation temperature control module is used to control the current magnitude of the power supply or to switch according to the temperature. Compared with the prior art, the present invention has the following effects: an occupant can control the first temperature applying unit by using a temperature controller to adjust the temperature of the seat portion, thereby avoiding the ride between the occupant's thigh and the chair seat due to the generated temperature. Discomfort problems. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In order to make the above objects, features and features of the present invention more comprehensible, the embodiments of the present invention are described in detail below. Referring to FIG. 1 and FIG. 2, FIG. 1 is a schematic view of a vehicle chair having a temperature adjustment function according to an embodiment of the present invention; and FIG. 2 is a partial cross-sectional view of the seat of FIG. The vehicle seat with temperature adjustment function includes a 1G, (4) refrigeration module (thenn〇electric c〇〇ling m〇dule) u and a temperature controller 12. In this embodiment, the chair 1 having the temperature adjustment function further includes a chair/back 13 for the back of the occupant. The seat 10 has a seat portion 100 for the rider to ride. The thermoelectric cooling module 11 is also referred to as a refrigerant chip or an Aennoeleetrie _ling chip. The thermoelectric cooling module n belongs to a semiconductor element and includes a first temperature applying unit U1 and a second temperature applying unit 112 positioned opposite to the first temperature applying unit 111. The first temperature applying unit m contacts the seating portion 1〇〇, for example, thermoelectrically. • The cold drawing group 11 is disposed inside the seat 10 such that the first temperature applying unit 111 is positioned;卩 1.00 below and in contact with the occupant, so that the occupant 1 knows the added value, so as to prevent the occupant from riding between the occupant's thigh and the occupant when the occupant is riding for a long time. The ride temperature causes the occupant's discomfort. The material of the seat portion 1 can be selected from a material having a temperature-conducting performance (for example, metal or plastic) to surely transmit the degree of the shirt applied by the first temperature applying unit n1 to the seat portion 100, and the seat portion. i(8) can avoid occupants 201231323
溫度控制H 12電性連接熱電致冷模組丨丨以控制第一溫度 施加單元111的溫度（此溫度即為上述用以對乘坐部1⑻所施 加的溫度）。另外，溫度控制S 12更包含用以控制上述第一 溫度施加單元ill施加於乘坐部100之溫度的溫度調節鈕12〇 並設有對應的溫度誠以作為綠相節溫度時之依據。 請同時參關3，圖3為圖2熱電致冷模組的電路示意圖。 進一步地’具備調溫功能的車椅i更包含電源p。所述 電源P包含極性相對的第—極端114與第二極端115(例如正 極與負極）。第-溫度施加單元lu與第二溫度施加單元 之間包3由N型元件與P型元件所組成的電偶對⑴，電源p 的第-極端m與第二極端115電性連接電偶對⑴。 加單元112的溫度。 請同時參閱圖4， 電路示意圖。 較佳地，電源P ! 應說明的是’當電源P所提供之電流型元件流向 P型元件時’第-溫倾加單元lu由於吸收鮮因而成為冷 端；相口反地’當電流1由P型元件流向N型從時，第二溫度 把加單it 112成為熱端。其♦利用溫度調節钮⑽能夠調整電 流I的大小，如此以控制第一溫度施加單元lu與第二溫度施 圖4為圖2熱電致冷模組另一實施例的 Μ切換第一極端114與第 所述切換開關116能夠由 較佳地，電源p更電性連接用以切換第 二極端115之極性的切換開關116。 201231323 雙刀雙擲開關或半導體功率開關(如M〇SFET開關）來實現。利 用此切換開關116的設置以切換第一極端114與第二極端出 之，性，使得第-溫度施加單元lu成為冷端；而第二温度施 加单兀112成為熱端；或者，第一溫度施加單元⑴成為熱端， 而第二溫度施加單元112成為冷端。 。並且’ _溫度調節紐12G，乘坐者能夠控制第一溫度施 加單兀111與第二溫度施加單元112的(施加)溫度，如此以滿 足(例如於夏天或冬天時)乘坐者所需的乘坐溫度。 • 以及’具備調溫功能的車椅1更包含波寬調制(PulseThe temperature control H 12 is electrically connected to the thermoelectric cooling module 丨丨 to control the temperature of the first temperature applying unit 111 (this temperature is the temperature applied to the seat portion 1 (8) as described above). Further, the temperature control S 12 further includes a temperature adjustment knob 12 for controlling the temperature of the first temperature applying unit ill applied to the seat portion 100, and is provided with a corresponding temperature as a basis for the green phase temperature. Please also refer to 3, Figure 3 is the circuit diagram of the thermoelectric cooling module of Figure 2. Further, the vehicle chair i having the temperature adjustment function further includes a power source p. The power source P includes a polarity- opposite first-extreme 114 and a second-end 115 (e.g., positive and negative). Between the first temperature applying unit lu and the second temperature applying unit, the package 3 is composed of a pair of ohms (1) composed of an N-type element and a P-type element, and the first terminal m and the second terminal 115 of the power source p are electrically connected to the galvanic pair. (1). The temperature of unit 112 is added. Please also refer to Figure 4, the circuit diagram. Preferably, the power supply P ! should be described as 'when the current-type component provided by the power source P flows to the P-type component', the first-temperature tilting unit lu becomes a cold end due to absorption of fresh; When the P-type element flows to the N-type slave, the second temperature turns the add-on unit 112 into the hot end. The temperature adjustment knob (10) can adjust the magnitude of the current I, so as to control the first temperature application unit lu and the second temperature to be the fourth extreme 114 of the thermoelectric refrigeration module of FIG. The switching switch 116 can be electrically connected to the switching switch 116 for switching the polarity of the second terminal 115. 201231323 Double pole double throw switch or semiconductor power switch (such as M〇SFET switch) to achieve. Utilizing the setting of the switch 116 to switch the first terminal 114 and the second terminal, so that the first temperature applying unit lu becomes a cold end; and the second temperature applying unit 112 becomes a hot end; or, the first temperature The application unit (1) becomes a hot end, and the second temperature application unit 112 becomes a cold end. . And ' _ temperature adjustment button 12G, the occupant can control the (applied) temperature of the first temperature applying unit 111 and the second temperature applying unit 112, thus satisfying the riding temperature required by the occupant (for example, in summer or winter). . • and 'The chair 1 with temperature control includes wave width modulation (Pulse)
Width Modulation，PWM)溫度控制模組117與用以感測上 述第一溫度施加單元1U施加於乘坐部1〇〇之溫度的溫度感 測器118。波寬調制溫度控制模組117電性連接溫度調節鈕 120、電源p與溫度感測器U8。 其中，波寬調制溫度控制模組117用以依據溫度感測 器118所感測之第一溫度施加單元1U施加於乘坐部1〇〇之 φ 溫度（或乘坐者股部的溫度）以及溫度調節鈕120的一預設温 度而控制電源P之電流I大小或切換開關116以靈敏地自 動調整第一溫度施加單元111或第二溫度施加單元112的溫度 (冷溫或熱溫的溫度大小），如此以滿足(例如於夏天或冬天時） 乘坐者所需的乘坐溫度。 舉例來說，當波寬調制溫度控制模組1Π接收溫度感 測器118所感測之第一溫度施加單元1Η施加於乘坐部1〇〇 之溫度數值以及溫度調節鈕120的預設溫度數值後，此兩個 201231323 • 溫度數值便會分別輸入波寬調制溫度控制模組117内部之 一運算放大器（OPA)的反向輸入端與非反向輸入端，以於運 算放大器的輸出端輸出一（電壓）誤差量（亦即溫度誤差 量）’之後此誤差量與一比較器之三角波作比較而計算出一 誤差調整數值，使得波寬調制溫度控制模組117能夠靈敏 地自動调整第一溫度施加單元lu或第二溫度施加單元Μ] 的溫度(冷溫或熱溫的溫度大小），如此以滿足(例如於夏天或冬 天時)乘坐者所需的乘坐溫度。 • 請同時參閱圖5’圖5為圖1具備調溫功能的車椅的操作 不意圖。 ’ 舉例來說，當-乘坐者2利用上述切換開關！ 16之切換(例 如乘坐者2手動切換；或者，由上述波寬調制溫度控制模組 1Π的自動切換），使第一溫度施加單元⑴成為冷端時，乘 坐者2能夠利用溫度調節钮12〇將第一溫度施加單元⑴調節 至符合自己當下體溫的舒適溫度τ(例如—涼爽的溫度），使^ • 乘坐者2的股部20 使於長時間乘坐於乘坐部100上時，仍 能夠維持在此舒適的溫度’而可避免乘坐者2G的股部因長 時間乘坐在乘坐部100上所產生的溫度(熱能）。 以及，當一乘坐者2利用切換開關116之切換，使第—溫 度施加單元m為熱端時(此時第二溫度施加單元112成為ς 端）’乘坐者2能夠利用溫度調節紐12G將第—溫度施加單^ ⑴調節至符合自己當下體溫的舒適溫度τ(例如一熱 知乘坐者2能夠於例如冬天乘坐於乘坐部上時，感受—熱 201231323 溫而具有驅寒的效能 另外’利用上述溫度感測器118感測乘坐者2股部20 的溫度時’波寬調制溫度控制模組117依據乘坐者設定的 一預設溫度與溫度感測器118所感應的實際股部2〇溫度之 間的溫差值後，波寬調制溫度控制模組117依據此溫差值 控制溫度調節鈕120以自動調節第一溫度施加單元lu施加於 股部20的溫度；或者，波寬調制溫度控制模組117依據此 溫差值自動控制切換開關116以使第一溫度施加單元ln成 鲁為當下乘坐者所需的冷端或熱端。 值得一提的是，若第一溫度施加單元ηι成為冷端時，第 一孤度她加單元112即成為熱端，雖然熱端不至於過熱，然而The Width Modulation (PWM) temperature control module 117 and the temperature sensor 118 for sensing the temperature applied to the seat portion 1 by the first temperature applying unit 1U. The wave width modulation temperature control module 117 is electrically connected to the temperature adjustment knob 120, the power source p and the temperature sensor U8. The wavelength-modulating temperature control module 117 is configured to apply the temperature of the φ to the seat portion 1 (or the temperature of the occupant's thigh) and the temperature control button according to the first temperature applying unit 1U sensed by the temperature sensor 118. a predetermined temperature of 120 to control the magnitude of the current I of the power source P or the switch 116 to sensitively automatically adjust the temperature of the first temperature applying unit 111 or the second temperature applying unit 112 (the temperature of the cold or hot temperature), To meet the ride temperature required by the occupant (for example, in summer or winter). For example, when the wave width modulation temperature control module 1 receives the temperature value applied by the first temperature applying unit 1 感 sensed by the temperature sensor 118 and the preset temperature value of the temperature adjustment button 120, The two 201231323 • temperature values are respectively input to the inverting input and non-inverting input of an operational amplifier (OPA) inside the bandwidth modulation temperature control module 117 to output a voltage at the output of the operational amplifier. The error amount (that is, the temperature error amount) is calculated by comparing the error amount with a triangular wave of a comparator to calculate an error adjustment value, so that the wave width modulation temperature control module 117 can sensitively and automatically adjust the first temperature application unit. The temperature of lu or the second temperature application unit (] (the temperature of the cold or hot temperature), so as to satisfy the ride temperature required by the occupant (for example, in summer or winter). • Please refer to Fig. 5' at the same time. Fig. 5 is a schematic view of the operation of the vehicle chair with the temperature adjustment function of Fig. 1. For example, when - occupant 2 uses the above switch! When the first temperature applying unit (1) becomes the cold end, the occupant 2 can use the temperature adjusting button 12 切换 when the first temperature applying unit (1) becomes the cold end, the switching of 16 (for example, the occupant 2 manual switching; or the automatic switching of the above-described wave width modulation temperature control module 1 )). Adjusting the first temperature applying unit (1) to a comfortable temperature τ (for example, a cool temperature) that satisfies the current body temperature of the body, so that the cock 20 of the occupant 2 can be maintained while riding on the occupant 100 for a long time. At this comfortable temperature, it is possible to avoid the temperature (thermal energy) generated by the occupant 2G's thigh on the seat portion 100 for a long time. And when an occupant 2 uses the switching of the changeover switch 116 to make the first temperature application unit m a hot end (when the second temperature application unit 112 becomes the terminal), the occupant 2 can use the temperature adjustment button 12G to - The temperature application unit (1) is adjusted to a comfortable temperature τ that suits the current body temperature of the person (for example, when a occupant 2 can ride on the seat portion in winter, the feeling is - the heat of the 201231323 is warm and has the effect of repelling the cold. When the temperature sensor 118 senses the temperature of the occupant 2 portion 20, the 'wave width modulation temperature control module 117 is based on a preset temperature set by the occupant and the actual temperature of the temperature sensor 118 sensed by the temperature sensor 118. After the temperature difference, the wave width modulation temperature control module 117 controls the temperature adjustment knob 120 according to the temperature difference to automatically adjust the temperature applied by the first temperature application unit lu to the thigh portion 20; or, the wave width modulation temperature control module 117 The switch 116 is automatically controlled according to the temperature difference so that the first temperature applying unit ln becomes the cold end or the hot end required by the current occupant. It is worth mentioning that if the first temperature applying unit ηι When it becomes the cold end, the first ortho to her unit 112 becomes the hot end, although the hot end does not overheat, however
於貝際使用上，第二溫度施加單元112或其鄰近處亦能夠進一 步設置散熱措施(例如散熱片、 度施加單元112的些微熱能快速逸散，或者作為其他保溫之用 特點： • 由此可知，本發明所提供的具備調溫功能的車椅包含以下 度施加單元以調節乘 1.乘坐者能夠利用溫度控制器控制第一 坐部的=度，據此以避免乘坐者股部與椅子乘坐部之間因為 產生之/皿度(熱能)所造成乘坐者的不適問題。 •丑一溫度施加單元調節至符合自己當下體 (例如熱溫)以作為驅寒的效能。 施加單元作為熱端時，乘坐者能夠利用溫度調節 溫的舒適溫度 201231323 3. 利用切換開關之切換，能夠控制第一溫度施加單元成為冷端 或熱端，如此以滿足乘坐者所需的乘坐溫度。 4. 利用溫度感測器感應乘坐者的股部溫度，之後波寬調制溫 度控制模組依據乘坐者設定的預設溫度與澧度感測器所 感應的實際股部溫度之間的溫差值後，波寬調制溫度控制 模組依據此溫差值控制溫度調節鈕以自動調節第一溫度施 加單元施加於乘坐者股部的溫度；或者，波寬調制溫度控 =模組依據此溫差值自動控制切換開關以使第一溫度施加 •單元成為當下乘坐者所需的冷端或熱端。 綜上所述，乃僅記載本發明為呈現解決問題所採用的 技術手段之較佳實施方式或實施例而已，並非用來限定本 發明專利實施之範圍。即凡與本發明專利申請範圍文義相 符，或依本發明專利範圍所做的均等變化與修飾，皆為本 發明專利範圍所涵蓋。 201231323 【圖式簡單說明】 圖1為本發明一實施例具備調溫功能的車椅的示意圖； 圖2為圖1椅座的局部剖視圖； 圖3為圖2熱電致冷模組的電路示意圖； 圖4為圖2熱電致冷模組另一實施例的電路示意圖；以及 圖5為圖1具備調溫功能的車椅的操作示意圖。 201231323 【主要元件符號說明】In the use of the second temperature, the second temperature applying unit 112 or its vicinity can further provide heat dissipation measures (for example, the heat dissipation of the heat sink, the degree applying unit 112, or the other heat preservation features: • It can be seen that the vehicle chair provided with the temperature adjustment function provided by the present invention includes the following degree application unit to adjust the multiplication. 1. The occupant can control the degree of the first seat by using the temperature controller, thereby avoiding the occupant's thigh and the chair. The occupant's discomfort caused by the generated/dish (heat energy) between the rides. • The ugly temperature application unit adjusts to the current body (eg, heat temperature) as a function of chilling. When the occupant can use the temperature to adjust the temperature of the comfortable temperature 201231323 3. With the switching of the switch, the first temperature applying unit can be controlled to become the cold end or the hot end, so as to meet the ride temperature required by the occupant. The sensor senses the occupant's thigh temperature, and then the wave width modulation temperature control module senses according to the preset temperature set by the occupant and the sensitivity sensor After the temperature difference between the actual throttling temperatures, the wave width modulation temperature control module controls the temperature adjustment knob according to the temperature difference to automatically adjust the temperature applied by the first temperature applying unit to the occupant's thigh; or, the wave width modulation temperature The control=module automatically controls the switch according to the temperature difference so that the first temperature application unit becomes the cold end or the hot end required by the current occupant. In summary, only the present invention is used to solve the problem. The preferred embodiments and examples of the technical means are not intended to limit the scope of the practice of the present invention. That is, the equivalent changes and modifications made in accordance with the scope of the patent application of the present invention or the scope of the patent of the present invention are BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view of a vehicle chair having a temperature adjustment function according to an embodiment of the present invention; FIG. 2 is a partial cross-sectional view of the seat of FIG. FIG. 4 is a circuit diagram of another embodiment of the thermoelectric cooling module of FIG. 2; and FIG. 5 is an operation of the vehicle chair with the temperature adjustment function of FIG. Intended. The main reference numerals 201,231,323 DESCRIPTION
1 具備調溫功能的車椅 10 椅座 100 乘坐部 11 熱電致冷模組 111 第一溫度施加單元 112 第二溫度施加單元 113 電偶對 114 第一極端 115 第二極端 116 切換開關 117 波寬調制溫度控制模組 118 溫度感測器 12 溫度控制器 120 溫度調卽钮 13 椅背 2 乘坐者 20 股部 P 電源 T 舒適溫度 I 電流 » [s] 121 Chair with temperature control function 10 Seat 100 Seat 11 Thermal thermostat module 111 First temperature applying unit 112 Second temperature applying unit 113 Couple pair 114 First pole 115 Second pole 116 Switching switch 117 Wave width Modulation temperature control module 118 temperature sensor 12 temperature controller 120 temperature knob 13 seat back 2 occupant 20 strand P power supply T comfort temperature I current » [s] 12