TW200903886A - Fuel-cell device with series-parallel circuit - Google Patents

Abstract

The invention discloses a fuel-cell device with series-parallel circuit, comprising a plurality of fuel-cell sets and a series-parallel circuit unit. Each fuel-cell set respectively includes DC power output terminals, and the series-parallel circuit unit includes a plurality of parallel selection units and DC power output terminals. The DC power output terminals of each fuel-cell set are electrically connected to the corresponding parallel selection units of the series-parallel circuit unit respectively. The parallel selection units electrically parallel-connected to DC power output terminals of series-parallel circuit unit. The state between DC power output terminals of series-parallel circuit unit and DC power output terminals of fuel-cell sets is electrically on or electrically off by the corresponding parallel selection units.

Description

200903886 IX. Description of the invention: [Technical field of the invention] The present invention relates to a plurality of fuel-and-tantalum battery devices with _parallel power, which are particularly connected to the electric power series of the 4-cell group and the output thereof. Prior Art] Conventional fuel cells utilize hydrogen and gas to produce electrochemical reaction changes,

And become the new power supply energy, the new fuel cell, the conversion of the fuel cell, the control of the fuel cell's turn-out (four) ^ straight "... In terms of the means of DC voltage conversion, the rain will set the power, while, the circumference will make the fuel Battery power loss: :== The appropriate conversion range uses multi-stage voltage conversion, Μ — , the battery of the display battery will still be limited if it is: ^ (four) body cost 'and its convertible voltage, and also through simple" Connected or paralleled, the power of the battery, and thus the protection of the battery, and ρ 々, to achieve the integration of several fuel-burning fuel cells must be (four) ... electric power: but this is to treat, -" DC voltage conversion 'In order to obtain the required electricity, therefore, the invention has a _. 1 invention with a series-parallel lightning search order,,, "the lack of t, 7" 亟思-〃, W 电电泛装f [invention Suffocating

4L This treatment is mainly to provide the integration of 200903886 and '3 甩 甩 组 经过 经过 经过 经过 经过 经过 特定 特定 特定 特定 特定 特定 特定 特定 特定 特定 特定 特定 特定 特定 特定 特定 特定 特定 特定 特定 特定 特定 特定 特定 特定 特定 特定 特定 特定 特定 特定 特定 特定 特定 特定 特定In the fuel cell device, the m_battery components are overcharged and converted. After passing through a specific series-parallel package, the '100' can output the required power characteristics and provide a larger voltage. Conversion, Λ

This is the purpose of providing the fuel cell with the series-parallel circuit dry, which can be used to convert the individual output voltages of several fuel cell stacks, and the output voltage or current characteristics after passing through the series-parallel circuit. In order to achieve the above object, the present invention provides a bait & ',, and an inch pool device having a series-parallel circuit, including a plurality of fuel cell stacks and a series of parallel circuit units. The system includes a DC power output terminal, and the ψ parallel circuit/including a plurality of parallel selection units and a DC power output terminal _ wherein each of the 枓 枓 quot 池 池 池 池 池 池 池 分别 分别 分别 分别 分别 分别 分别 直流 直流 直流 直流The parallel selection unit corresponding to the element, the parallel selection unit is the DC power wheel output end of the electric and parallel series circuit unit, and each of the parallel selections is strict. Also, the sister’s DC power output is in parallel with the Thunder + n. Xia Yan Lei Li round out the island electrical conduction or electric drink 丨: v. Road Yi Ma makes the thinking of this technology II people drunk the invention of the g, Special Θ二, Based on the following Wei goods, and with the _ type, the bell is bad. This is the design of the fuel cell device with the series-parallel circuit of the present invention. The component related diagram of the embodiment relates to a fuel cell device having a series-parallel circuit, and includes a first fuel cell stack (1), a second fuel cell stack (2), and a third a plurality of fuel cell stacks of the fuel cell stack (3), electrically connected to the fuel cell stacks through a series of parallel circuit units (4), and electrically connected to an electronic device (5) through the series-parallel circuit unit (4), The fuel cell stack can transmit power to the electronic device (5): In the fuel cell device of the present invention having a series-parallel circuit, the first fuel cell stack (1) has a DC power output terminal, and the first The DC power output end of the fuel cell stack (1) includes a first DC power positive output terminal (11) and a first DC power negative output terminal (12), the first DC power positive output terminal (11) and the first a DC power negative output (12) respectively being the positive terminal and the terminal end of the direct current power of the first fuel cell stack (1), and the first fuel cell stack (1) is farther than the first direct current power positive terminal (U) The $ parallel circuit unit (4) is electrically connected to the first DC power negative output terminal (12): the second fuel battery group (2) has a DC power output terminal, and the second shaking battery ί! The DC power output includes a smelting of two DC powers, a strange output (21) and a second DC power, a self-polar output (22), and the second DC power is 200903886. Connecting the series-parallel circuit unit (4): the third fuel cell stack (3) has a DC power output end, and the DC power output end of the third fuel cell stack (3) includes a third DC power positive output The end (31) and a third DC power negative output terminal (32), the third DC power positive output terminal (31) and the third DC power negative output terminal (32) are respectively the third fuel cell stack ( 3) the positive and negative ends of the direct current power and the third fuel cell (3) is transmitted through the third direct current positive electrode The end (31) electrically connecting the series-parallel electrically f and the third DC power source output terminal I (32)

The circuit list (4); and the series-parallel circuit unit (4) includes a plurality of parallel selection units and a DC power output. The parallel selection units include a first-parallel selection unit (41), a second parallel selection unit (42), and a third parallel selection unit (43), and the DC power output of the series-parallel circuit unit (4) The system includes a DC power positive integrated output terminal (44) and a DC power negative integrated output terminal (45), the first sub-selection early (41), the second Yilian selection unit (42), and the first The three parallel selection i elements (43) are respectively electrically connected to the first fuel cell stack (1), the second secret 4 pool group (2), and the third griffon battery pack (3), and then through the first Parallel selection - boundary (41), 4 series - parallel selection unit (〇 and the third parallel selection unit (1)) '(4) See the (four) electric positive terminal output terminal (4) of the parallel circuit (4) And the direct current from the Μ (4) , , , , 料 料 料 料 料 料 料 料 料 料 料 料 料 料 料 料 料 料 料 料 料 料 料 料 料 料 料 料 电气 电气 电气 电气 电气 电气 电气 电气 电气 电气 电气 电气 电气 电气 电气 电气 电气 电气f出出(1)) and: 奸乃—嫩仏驰端(44)乌.'以(四)戍,痛秘,或选·200903886 The first battery of the battery pack (1) Shili bungee output (12) spotted output (45) for electricity _ $, ',, straight view negative immersed ♦ pass or electrical disconnect: air shovel - ' can choose the L , ... - "ρ selection unit (42) The DC power willow ^: DC power butterfly end (2)) and

The second fuel core (= end (4) ceramic gas electric coffee, or select the negative negative air output 1 has always been " IL force shell wheel end (22) and the DC selection unit (1) is electrically or electrically disconnected: The third parallel output Ί, the system is selectable, the third DC power positive electrode n (31) of the three fuel cell stack (3) and the DC power positive electrode integration terminal (44) are electrically or electrically disconnected, The third DC power battery (3) has a third DC power negative terminal (32) 13⁄4.3⁄4*, and a digging power negative integrated output terminal (45) is electrically conductive or electrically disconnected. Therefore, in the fuel cell device with the parallel circuit of the present invention, one electric-yp n^sf {^" 9, the battery cell is common, and the series-parallel circuit unit (4) can be formed. The complex number is over-divided, and is electrically connected or electrically disconnected by the corresponding jt-connecting unit via respective electrical paths, so that the power of the fuel cell stacks is integrated by the wi-force positive output terminal (44) and the direct current The power negative integrated output terminal (45) is outputted to the electronic device (5> to supply the electronic 葭^5) 4 逑 逑 铃 铃 铃 燃料 燃料 燃料 燃料 燃料 燃料 燃料 屮 屮 屮托•—少, \? ·'!:丨! .-J'J — 'Two ~ not a few (()), the control list ((1) is 4{- has the circuit with the parallel circuit: technical power : 也ψ. ^'1 -> y,~va"丄, ::d for the logic-control means of printing, the benefit system is the circuit or the money--Ii.l Η i:7if A few (42) to 兮二. "V ·.»·> The first parallel of the poems _ choose 7L (41), the second parallel connection selects a few (43) system of electrical access to the technology \\.1_ € 200903886 (t system early (6) control each And ride the selection unit to perform the corresponding

The choice of $ electrical electrical disconnection, specifically, the control of a few (()) can be carried out with a M.q-1 penalty microcontroller, and through the firmware of the microcontroller The associated I and frequency control are electrically connected to the lying 34 component, including each parallel selection unit in the front ~, _ sub circuit unit (9), and can control each parallel selection unit of the Feng La unit (4) towel The operation of the winter test hoist is shown in the second figure, which shows that the fuel cell with the series-parallel circuit of the present invention is only a child--the component of the specific embodiment. FIG. 3 is based on the foregoing embodiment. Steps include: first _ _ select ^ (46) 4 first - tandem order list (46) selects two of the fuel cell stacks (four) electric « pass or electric read And cooperate with the ship: the seventh parallel selection unit of the seventh fuel cell (3) of the first fuel cell (3) (sentence and the third parallel selection list _3), and select (four) two fuel cells Group (2) 々一U 彳 %% pool group (5) 4 gas aptitude relationship is electrical series or electrical parallel. In the specific case, A Φ unit (10) is electrically connected to the second DC power output end (22) of the second combustion battery unit (2) and the other power unit U is connected to the third fuel cell unit (3). Straight weeping is the strange output (31) material: off - the suspect unit (4 (10) can be miscellaneous friends second bribery pool group (2) brother two 1 stream power (9) output (22) and the third fuel Also group (3) rule three straight force "U% light". Sniff (3 i) is comb" or electrical ' and the second one is ^ ^ ^ ^ (42) ^, f „ ;!: 41;, ,1(: }_:t ^ ^ ^ ^ y;. !" 200903886 Pure out (22) and 4 DC power negative integrated output (45) for electrical conduction or circuit description _ three parallel selection unit (43 The third DC power positive output terminal (31) of the third fuel cell stack (3) can be selected as the electric sichuan or electrical circuit: and the first series selection unit The electric control unit (6) is electrically connected to the control unit (6), and the electric passage corresponding to the first (s) selection unit (46) is controlled to be electrically conductive or electrically disconnected. Therefore, when the control unit (6) simultaneously controls the view, the second DC is returned to the fuel cell stack (2); the eleventh is the end (22) With the third shop D sister (3) brother three DC power positive input two parallel search riding yuan (10) Qiu r, (1) for (four) conduction, the first half (42) _ or Wei two fuel, + , , U) ~ hang two DC power ginseng called 22) and the DC power _ pole integration f, three parallel selection (four) - training is an electrical circuit, the first division of the heart of her axis power is w~ (31) With the DC power positive pole, the wearer--, - Μ^4 (44) is an electrical circuit breaker and Er'er purchase 4_guide_na (1) ♦ DC power out but im- straight (four) out as (10) Μ "" and 1 4 force positive electrode combined detection of Rui (44 & υ 兹 υ (4s) 1] t on the "! L; a force negative match output,) 1] ten, the second fuel cell (2) With the department, the three slaves are not connected to the 丨'. '1匕~ sister 〇) to form the electric ψ and the electric couple of the two tweezer; C cylinder p) > , .v one (2 丨) i ;) ~ φ - DC positive output for hanging three fuel electric bubble 汛 (3) said two t'v..., .zhong w..., slag Han origin (32) '...Followed to the DC power positive, ^...') (44) Ma DC power from 903200903886 integrated output (45), so that the second DC positive output of the second fuel cell stack (2) electrically connected in series The terminal (21) and the third DC power i-pole output (32) of the third fuel cell stack (3) are electrically connected in parallel with the first fuel cell stack (1). Referring to the third figure, there is shown a component correlation diagram of a third embodiment of a fuel cell device having a series-parallel circuit of the present invention. In any of the foregoing plurality of fuel cell stacks, any one of the fuel cell stacks may include a fuel cell portion and a pair of DC voltage conversion units that are to be fuel cell portions, wherein the fuel cell portion is a power production unit and is Hydrogen fuel and oxy-fuel, and controlled by appropriate electrochemical reaction, can output DC power: and the DC voltage conversion unit can be used to convert DC power to output power with a specific voltage = specifically, the first fuel cell The group (1) may include a first fuel cell portion (13) and a first DC voltage conversion unit (14), the first fuel cell portion (13) electrically connecting the first DC voltage conversion unit (14) And outputting the first fuel cell portion (Π) through the first DC power positive output terminal (11) of the first fuel cell stack (1) and the first DC power | pole output terminal (丨2) The DC voltage conversion unit (14) performs power conversion after voltage conversion. Referring to the fourth circle, it is shown that the fuel cell with the series-parallel circuit of the present invention is the fourth concrete embodiment (four)/L piece of the surrounding multi-function battery pack 屮 'any fuel cell stack卟The system includes a plurality of TT fuel cell parts and a DC power conversion unit corresponding to the fuel cell unit of the emitor. The gas-burning battery parts are respectively a power generation unit and can be too/, nitrogen-rich fuel and gas. Material, and 裎 is controlled by the electrical control. "Extracting DC power: and the DC power 1 turn 200903886

C change unit is he (4) change direct current (four) 鸠 buy power,: specifically, the surface electrical seam (1) can include a plurality of face-to-face fuel cell parts (13) with the phase number of the first - DC voltage The conversion of the single training), the first "fuel cell part (1) is the electrical series connected to the lying - DC voltage conversion list: (14), each of the first - DC electric miscellaneous units (the DC current is formed into the electrical «, and Outputting the first fuel cell portion (13) through the first DC voltage positive output terminal ((1) and the first DC power negative electrode output terminal (] 2) through the first-contact battery pack (1) 4) Integrating power after voltage conversion. Therefore, 'through the electrical characteristics of the fuel cell stacks, such as selecting the first fuel pool (1), the second fuel cell stack (2), and the third fuel The battery pack (3) is divided into four (4) electric /!, current or power, so that the electrical connection of the hidden parallel circuit (4) can be integrated into a specific power, current or power output power to The electronic device (7). Specifically, the first fuel cell stack (1) and the second fuel cell stack (2) and the third fuel cell stack (3) is capable of respectively rotating 4 different forces of DC current to make the Lai-leg battery pack (1) '(four) two_battery pack (2) and the ^2. bump battery pack (3) far Lai series parallel circuit unit (4) electrical parallel, and called _ (four) surface battery pack • Xinxia flow after the total (four) 屮 ': (r iVd W bucket battery pack old _ parallel 丨 (10), Bu plant received a piece of film The power of the electric smashing characteristics - five.!1_ 实实泡纠之Ά丨:.;;丨啦,[:3⁄4]. 基分分本本本佐: 'The invention 200903886 has a sub-circuit Hot material group (7) and 1 -....^m you - fourth fuel cell

Book 1 4, unit selection unit (47 Bulk section L power transmission one & ff ^ ton (four) wheel (7) DC force negative output +. . . . collapsed with a fourth DC" (four) and force - £ pole The output terminal (7)) and the fourth DC output terminal (72) can narrow the peak of the DC power of the battery pack (7), and the fourth fuel cell stack (7) transmits the fourth DC power.

The positive output end (7 coffee fourth DC paste output output is electrically connected to the series of sub-circuit circuit unit (4); and the (four) joint selection single marriage) selects the first fuel cell stack (1), the first feeding battery _7 The electrical conduction between the first parallel connection unit (9) and the first parallel selection unit (Μ) of the ship battery (1) may be selected to select the first fuel cell (1) and the first The electrical series relationship of the four fuel 4 pool group (7) is electrically conductive or electrically disconnected: in one embodiment, the second series selection unit (47) includes four electrical connection terminals and corresponding end points. An electrical conduction/electrical disconnection switching element (not shown), the second series selection unit (47) is electrically connected to the first DC power positive output terminal (1丨) of the first fuel cell stack (1) The second application connection unit (47) is electrically connected to the fourth fuel cell stack (7) at the other end of the fourth fuel cell group (7), and the second DC power is output from the pole wheel (7 2). ) at the other end, the electrical connection to the fourth DC power is blaming the output (71) 'the first viewing element (41), The joint selects i (47) and then one end is electrically connected to the parallel: two φ joints: the selected Η yuan (47) can simultaneously select the slings of the fourth beta electric power group (7), the seventh jl galvanic current Out of Rui (7 2) and the 迖 ... steam 200903886 material 4 pool group (1) of the first DC power circuit and select simple battery such as 丨 (10) electrical conduction or electrical disconnection and the first-parallel review... buckle straight said pneumatic positive Output (7)) k choose early (4)) for the electrical joint selection unit (47m_, Wp (four) (10) brother two string selection brother - fuel generation end (1) quilt lion a (W straight, force just when the township side control (four) 1 round繊Electrical called the fourth fuel cell group (7), the fourth straight '^ selects the single 兀 (47) to select the .h, L package ·; only the extreme wheel outlet (72> with the 帛 揪 · — — — — — — The outlet (9) is electrically conductive, the first one; () the touch-fuel (four) (1) direct-directed positive electrode · Qing and the guide (4)) the bottom of the wave - she (four) 兀 (4 Congqing urethane battery (four) four-sided electric positive The output terminal (7丨) «and the force positive polarity output terminal (44) is electrically conductive and the first-side selection unit (4) selects the first-side battery pack (1) of the first-direct current power (12) Direct current When the _ pole integrated wheel end (45) is electrically conductive, the first battery pack (1) is electrically connected in series with the fourth fuel cell stack (7), and this passes through the fourth fuel cell butterfly end (7) monument (four) - clock battery Group (1) Bu Zhi (four) ym drama (four) π 2 very 彳 赖 赖 i battle (four) Li Zhengcong, Yu correction 4 丨 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Parallel (5) This, the first 4 electric:. Also (1) Department (4) (3), Lin Shi f this New (7) eDonkey ^ Re. _ Second. Battle (4) plus material three (four) '-1-, 200903886 In addition, when the control unit (6) simultaneously controls the second series selection unit (47) to select the fourth DC power negative output terminal (72) of the fourth fuel cell stack (7) and the first fuel cell stack ( 1) the first DC power positive output terminal (11) is an electrical disconnection, and the second series selection unit (47) selects the first DC power positive output terminal (11) of the first fuel cell stack (1) and the first a parallel selection unit (41) is electrically conductive and the first parallel selection unit (41) selects a first direct current power negative output terminal (12) of the first fuel cell stack (1) When the DC power negative integrated output terminal (45) is electrically turned on, the first fuel cell stack (1) is electrically connected in parallel with the second fuel cell stack (2) and the third fuel cell stack (3), and the first The fourth fuel cell stack (7) forms a state in which no power is output to the DC power positive integrated output terminal (44) and the DC power pole integrated output terminal (45): Referring to the sixth figure, the system shows the present invention. Fuel cell with series-parallel circuit: device element diagram of the sixth embodiment is also provided. Based on the foregoing embodiments of the present invention, the fuel cell device having the series-parallel circuit of the present invention may further include a third series selection unit. (48), the third Φ-joining selection unit (48) selects the two smearing materials in the fuel cell stacks to be electrically connected, and the first pair is The first parallel connection of the first battery pack (丨) also selects M / U 41 ), the second parallel selection of the second hot material is also set (2), and the sense of the system Fuel electric 200903886 for the electric guide or electrical to choose the first - fuel cell _ yarn =, three $ joint Select the unit (招) to be selected as the electrical conduction to reduce the electrical ten - Jane pool (3) of the electrical Fenglian system single _ version of the martial arts, the battle series selection gas connection the first material battery pack (1) Xi Eryi 端 - terminal electricity Three "choose her" another 1 Λ 7 output output (10), the second straight (four) side out of the class; ^ material two _ battery pack (7) electrical connection _ three _ battery pack Γ === single willow) and then one end ^ m "force positive output (3)), and ... series selection of the single system can be her - _ battery ((four) all-current power / transmission - (12) and "two simple battery (2) of the second DC power Positive transmission frequency 21-year gas conduction or electric repair or (4) joint selection can select the simple battery pack (1) first see "1L 甩 肖 极 极 极 极 (1 2) spot the third _ battery (3) The three DC f forces are betting (10) electrical conduction or electrical disconnection. Therefore, when the control unit (6) simultaneously controls the third rate selection unit (·

Select the second DC power of the fuel electro-optic group (2) and the piece 4; Feng-Duyuan (41)%·] Fortunately, the system is a fuel-burning 4 怪翰出瑞(丨丨) is electrically connected to the DC power display Cong Zun chooses i to 41) select the first 1.3⁄4 material series: out; (1 2) and the DC power q t5i all-in-S-fuel cell group (1) first-heart power (four) output fine) The second you are also group (2} of the second jih 4 th h, '蜱 (2丨) island electrical conduction, the first DC power of the first sister (1) i bubble ^: combined output (_μ), the first One (1) of the first DC power lean% (45) is the electricity 1::3⁄4. Road, the second 200903886 parallel selection unit) ~ choose the second brother fuel cell group (2) the first - the heart 1 The wheel end (2) is connected to the acre, the base, and the force positive electrode. The seventh positive electrode output terminal (four) is an electrical circuit breaker and a book sub-connected unit (42); n ^ force h When the second straight (2) pole wheel end (22) of group (2) is electrically connected, #一,x and - power pole-pole integrated output terminal (45) Μ:: touch battery pack (1) and the second battery Group Qingcheng Electric Series 4 over the side brother a fuel cell group thousand & t ~ straight " 丨 l power The end of the pole (] 丨) fish brother two fuel cell group (2) the first _ ancient ν_ τ" 'one brother - straight; " ί ¥ force negative output (22) are electrically connected to the far DC power The positive electrode is replaced with the DC power negative electrode to output the sentence, and the third battery pack is additionally controlled when the control unit (6) simultaneously controls the third_connected selection unit (48). The first DC power negative output terminal (10) of the first fuel cell stack (1) is electrically connected to the third DC power positive output terminal (31) of the third fuel cell stack (3), and the first-sub-selection unit (41) is selected. The first DC power positive output terminal (丨1) of the first fuel cell stack (1) is electrically connected to the DC power positive electrode integrated output terminal (4), and the first parallel selection unit (41) selects the first fuel cell stack (1) The first-DC power negative output terminal (12) and the DC power is the extreme final output (4 electrical disconnection, the third parallel compliance unit (43) selects «three-ton electric group (3) third The DC power is the positive selection wheel (31) and the combat current power is positive ^ output (44) for electrical disconnection and the third When a third (43) is selected, the third direct current Jj n J} ξ] of the three-steam battery pack (3) is selected, and the electric field group (丨) and the three-electric group (3) Forming a power k Φ weak, 200903886 and passing through the first DC power positive output terminal (11) of the first fuel cell stack (1) and the third DC power | pole output terminal of the third fuel cell stack (3) 32) electrically connected to the DC power positive integrated output terminal (44) and the DC power negative integrated output terminal (45), and electrically connected in parallel with the second fuel cell stack (2). The detailed description is only for the preferred embodiment of the present invention, and should not be limited to the scope of the present invention, that is, the equivalent change and modification of the scope of application of the present invention should remain The patent of the present invention is in the range of f: ^ k, [Simplified description of the drawings] The first figure shows the component correlation diagram of the first embodiment of the fuel cell device having the series-parallel circuit of the present invention: Component association of a second embodiment of a fuel cell device with a series-parallel circuit : U The third figure shows the component correlation diagram of the third embodiment of the fuel cell with the series-parallel circuit of the present invention: The fourth _ series shows that the fuel cell of the parallel circuit of the 泠 泠 $ 置 置 置矻Η 矻Η : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : Θ诤岛示木发叫 串 汜 电路 莨 莨 莨 莨 莨 莨 莨 莨 莨 莨 莨 莨 莨 莨 莨 莨 莨 莨 莨 莨 莨 莨 莨 莨 莨 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 Power positive output terminal (11) First DC power negative output terminal (丨2) First fuel cell portion (13) First DC voltage conversion unit (14) Second fuel cell group (2) Second DC power positive output terminal (21) Second DC power negative output terminal (22) Third fuel cell stack (3) Third DC power positive output terminal (31) Third DC power negative output terminal (32) Series-parallel circuit unit (4) First Parallel selection unit (41) Second parallel selection unit (42) Third parallel selection single (43) DC power is integrated into the outlet ( 44) DC power diode integrated output (45) The first Φ joint selects the i element (4 (1) the second series selection strategy (47) The third series selects the generation (4 to 200903886 electronic device (5 > control unit (6) Fourth fuel cell stack (7) Fourth DC power positive output terminal (71) Fourth DC power I pole output terminal (72)

Claims (1)

200903886 X. Patent application scope: 1. A fuel cell device with a parallel circuit, comprising: a plurality of fuel cell groups, each of which comprises a DC power output, a mountain, and a series of parallel circuit units, The system includes a plurality of parallel selection units and a DC power output terminal: and a control unit that controls the operation of each parallel selection unit in the series-parallel circuit unit: wherein the DC power output ends of the respective fuel cell groups are electrically connected to the string respectively Parallel selection units corresponding to the parallel circuit units, the parallel selection units are electrically connected in parallel to the DC power output end of the _parallel circuit unit and the four parallel selection units select the DC power output of the corresponding fuel cell stack The fuel cell device having the series-parallel circuit according to the first aspect of the invention, wherein the fuel cell stack includes a first fuel, and the DC power output terminal of the parallel circuit unit is electrically connected or electrically disconnected. a battery pack, the first fuel cell stack includes a fuel cell portion and a The DC voltage conversion unit of the fuel cell unit and the DC power of the first fuel cell group are excluded from the DC power conversion. The fuel cell device with a series-parallel circuit, wherein the fuel cell unit comprises a plurality of fuel cell portions and a plurality of pairs of cells: % 彳 部 的 的 | | , , , , , , , ,钊 一 一 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电 电The DC power output end of each of the first DC voltage conversion units is electrically connected in series, and the DC power output end of the first fuel cell group outputs the integrated power of the DC voltage conversion units electrically connected in series. The fuel cell device with a series-parallel circuit, wherein the DC power output end of the _ parallel circuit unit comprises a DC power integrated output terminal and a DC power integrated output terminal: The fuel cell stack includes a first fuel cell stack and a second fuel cell stack. The DC power output of the first fuel cell stack includes a first DC power positive output terminal and a first DC power negative output terminal. The DC power output end of the second fuel cell stack includes a second DC power positive output terminal and a second DC power negative output terminal: and the parallel selection unit includes a first parallel selection unit and a second a parallel selection unit, the first parallel selection unit and the second parallel selection unit are respectively electrically connected to the first fuel cell stack and the second fuel cell stack, and the first parallel selection unit and the second parallel selection The 箪元 is electrically connected in parallel to the DC power positive integrated output terminal of the series-parallel circuit unit and the DC power negative singular output: wherein the first parallel selection single I is selected to select the first DC of the battery The positive pole of the power supply and the DC power are blamed for the end of the island to conduct electrical conduction into the 200903886 force positive output and the DC power positive The integrated output is electrically conductive or electrically disconnected, or the second direct current power i-pole output of the second fuel cell stack is electrically connected or electrically disconnected from the DC power I-pole output terminal. The fuel cell device with a $ parallel circuit, wherein the fuel cell stack comprises a first fuel cell stack and a second fuel cell stack: and the series-parallel circuit unit further comprises a series selection unit, a first a parallel selection unit and a second parallel selection unit, the first parallel selection unit and the second parallel selection unit are respectively electrically connected to the first fuel cell stack and the second fuel cell group, and the first parallel connection The selection unit and the second parallel selection unit are electrically connected in parallel to the DC power output ASHAN of the series-parallel circuit unit, wherein the control unit further controls the operation of the $joining unit of the $parallel circuit unit: The series selection unit selects the first fuel cell stack and the second fuel cell stack to be electrically connected, and the first And the second parallel selection unit and the second parallel selection unit are electrically connected in parallel with the electrical circuit of the first fuel cell stack to the DC power output of the series-parallel circuit unit: or The $unit selection unit selects the first fuel cell stack and the second fuel cell stack island 联 联 disconnected state. 6. If the patent application: 3⁄4 solid smelting, the fuel cell device with the towel parallel circuit is Wherein the fuel cell contacts further comprise a third fuel electric washing group: and the φ parallel circuit display element further comprises a third parallel selecting chestnut/L, the _three parallel selecting 200903886, the third fuel cell stack is Electrically connected in series, and the first parallel selection strategy and the third parallel selection unit are electrically connected in series with the electric circuit of the first fuel cell assembly and the second fuel cell group. The DC power output terminal of the element: or the series selection unit further includes an electrical series disconnection state in which the first fuel cell stack and the third fuel cell stack are selectable: 7. The fuel cell device of the series or parallel circuit according to Item 1, wherein the fuel cell stack comprises a first fuel cell stack and a second fuel cell stack; and the series-parallel circuit unit further comprises a series selection unit And a parallel selection unit electrically connecting the first fuel cell stack and the second fuel cell stack: wherein the control unit further controls actuation of the Φ-coupling unit of the series-parallel circuit unit: the series selection The unit selects the first fuel cell stack and the second fuel cell stack island electrically connected state 1 and the parallel selection unit selects the first fuel cell stack electrically connected in series with the second fuel cell; Parallelly connecting the DC power output end of the series-parallel circuit unit: or the series selection unit selects the first fuel % pool to group the second fuel cell group to be an electrical series disconnection type and the parallel selection unit selects the first The fuel cell stack is connected to the DC power output of the parallel circuit unit. 8. If you want to use the 听 渑 听 听 听 听 听 听 听The fuel cell of the road is equipped with the control. The 3⁄4 series of fuels with several Φ parallel circuits are also the choice of the control method of '3' and the system of the island's containment circuit or the money has a tough product) 1 ditch into -