One of the main points of the m道小anufacturing process of high freq謝地uency transformer
Winding
A Determine the paramet會舊ers of BOBBIN
B All winding requirements are f物人lat and do not overlap as a pri銀了nciple
C Single-group windin請男g can be a monochromatic line, and 科短two-group winding must be d黃電ip-lined with a two-color line o近看r an open line to avoid misalign少但ment.
D cross-line must be taped是現
1. The dredging is completely ev下冷enly separated
2. The tight winding wire is evenly cl是好ose
3. Maintain a sufficient s厭區afety distance between th作機e two sides of the coil and t南你he edge of the windin遠了g groove A, B
4. The length of the casing must be 新銀sufficient. One end extends into the美站 safety tape of the 村花bobbin and the other end extends out員西 of the BOBBIN, but not near the PIN.
5. The outermost tape is cut on the cor音內e combination face, and the cut 輛拍must be covered by the core.
6. The edge of the tape is flush在綠 with the winding groove, th他就e tape is not skewed, and it is not br學刀oken and not damaged.
7. Tape must be applied un西國der the line to keep the cr多制ossing line insulated from th草如e bottom coil. [2]
The main point of the manufacturin聽樂g process of high frequenc數站y transformer
Wrap line
A vertical BOBBIN
Thick line: entangle多們d line above 0.8φ
Thin line: 0.2-0.8φ entangled 1.5 校湖laps
Very thin line: 2-3 turns of wind美到ing line below 0.2φ
The principle of vertical BOBBIN win子通ding method: the winding line 電你is pressed as far as possible 銀遠to the principle of 家煙not exceeding the bump.醫視
B Horizontal BOBBIN: about 2-舞用3 turns, do not press th美小e bottom to avoid scalding BOBBIN wh得來en soldering. If there is a width l樂志imit and the specificat友如ions are strict, use this method to請民 compress the wire and道為 then cut the PIN. To redu關年ce the width of the entire trans了可former.
C Horizontal (horizo厭時ntal, BOBBIN's winding method樂讀: about 2-3 turns around山亮, do not press the bottom時城 to avoid burning BO一技BBIN when soldering.
Note: If the product has 區睡a width limit and th機西e specification must be 近志short-cut when the wire 員新is cut short, the winding wir金劇e must be pressed as far as possible. 了空[2]
The main points of the manuf錢音acturing process of high freq視的uency transformer
casing
General rule of positi也笑on of the casing:
A External: The shorte劇子r the distance between 新微the end of the sleeve and the PI綠購N, the better, but remember that it is花去 absolutely impossible to 海著wrap the sleeve around the PIN, which 答件will cause an empty weld.
B Interior: a side wall fit山問, flat BOBBIN about 1/2L說厭 length
B has a side wall fit, and the casing m議計ust be inside the re用木taining wall.
The width and material of t兵路he margin tape cannot be chan你拍ged arbitrarily, because the widt白照h and material of the 媽花transformer are specially designed友藍 to involve safety.
The width of the wall算內 tape: generally needs to be equal短那 to the height of the winding winding森會 to prevent the copp線鐵er wire from being stacked on店關 the false wall when winding, but i線理f it is difficult to install the core, 個明it will sometimes be about 1/朋現2-3/4. Height, but the principle o什數f winding is not stack火快ed on the false wall.
Tip: Sometimes it is possible to skip什她 the lead wire if the thickness 會靜of the access line is thick and the作東re is a casing. In th要還is case, pay special attenti務山on to the position of the casi校是ng, and there must be a sufficient 木醫safety distance (depth飛說 into the width of the false wal店為l). .
This point must be deep into 雪河the false wall. Sometimes, when th員冷e false wall gap is large o答學r when the copper foil an站要d the M/F are wound together亮醫, there is no obvious difference 事化whether it is the sa報是me width as the M/T when it is deep i醫哥nto the false wall or the line M/T. Sa有司fety bars, each measuring. [2]&nbs亮白p;
The fourth point of the manufacturin少哥g process of high frequency tr火市ansformer
The principle of winding copper s懂地heets generally has the follo樹吃wing methods:
A does not connect the lead in o長裡ne turn, the head and tail are not shor音兵t-circuited, and there is insulation 動通material between the head and th藍鐘e tail.
B One turn of the lead, the width o吧微f the tape must be greater than 視謝the width of the copper.
C one lead or more coppe光近r sheet two leads
D intermediate drawing type 數答copper piece, three 煙雨lead wires
Five points of the manufacturi校們ng process of high-frequen志喝cy transformer
Line
1) Upright cable man遠報agement standard
A thin line, thick line唱件 should be more than one cir間家cle, the position of the line i玩醫s between 2/3 of the ba件中se and the boss (the number of coils去輛 is increased)
The length of the B-line head shall著動 not exceed half of the distance 新購between the adjacent 多請two legs and the longest sha唱們ll not exceed 1 mm.
C sets more lines and lines around, th學新e thin line is placed on 街南the top layer and it 公錯is unreasonable to compl生麗ete another one.
D If there is a casing, the length身慢 of the casing is not lower t那看han the base
When E is different from靜不 the groove, it will go 聽從in the same direction.
2) Horizontal cable management standa多爸rd
The A line is evenly distributed o站熱n the foot, and the line白腦 should be at least half of the lin新船e. (Insufficient increase the光地 number of stitches, but not more th腦醫an the length of the line)
The B line is spiral機討ed up from the root of the foot and at車睡 least one circle is compl舊外eted.
The length of the C-line head shall no報河t exceed half of the d校唱istance between the adjacent two legs 做舊and the longest shall not exc人秒eed 1 mm.
D sets a number of l畫算ines and wraps around the line, t話女he thin line is placed on the top l要還ayer and it is unreaso理是nable to complete anoth慢知er one.
When the E is different from喝工 the groove in the same line, the same購媽 direction can be wound and the len朋多gth of the sleeve is not 放草lower than the base, not close to th讀靜e PIN.
The main points of the manufac跳問turing process of high-f劇就requency transformers
Solder
1) After soldering, the PIN fo照謝ot is smooth and free from foreign m學還atter.
2) The thread is not higher 低話than the bump.
3) BOBBIN is complete after solder就理ing, no damage and short legs.
4) Solder oil (flux) has littl錯店e residue, no tin, no short circuit.
5) The tape is not damaged.
6) Solder soldering at least one服樹 turn.
7) There should be no transver劇房se tin tips after soldering.
Seven points of the manuf飛件acturing process of high-frequency 影藍transformers
combination
1) The iron core combinatio兵通n surface is flat and聽日 has no skew.
2) BOBBIN, CORE, the w可到iring legs are kept clean 草件and tidy, without impurities and g說光lue.
3) Identify which direct路花ion the GAE CORE is placed in.
4) EE, EI, UU type CORE m說嗎aximum skew can not be greater than 0.友醫5mm or 1/10CORE width志女.
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