1277750 九、發明說明： 【發明所屬之技術領域】 系統本么⑽關於1嫌_統，特別係—種冷陰極射線管檢测 【先前技術】 的主、Ϊ著的飛速？展’液晶顯示器逐漸成為顯示領域中 示器的可靠性也提出了更高的要求。而 Ϊΐίίίϊί:是冷陰極射線管的點燈電壓對液晶顯示 雜 對冷陰鋪騎進行可靠性檢測顯得1277750 IX. Description of the invention: [Technical field to which the invention pertains] System (10) About the 1 _ system, especially the cold cathode ray tube detection [Prior Art] The main, squatting speed? The exhibition's liquid crystal display has gradually become a higher requirement in the reliability of the display in the display field. And Ϊΐίίίϊί: It is the lighting voltage of the cold cathode ray tube that is reliable for the liquid crystal display.
兮认明丨f閱第—圖’係S前技術之—種冷陰極射線管檢測孚统。 该檢測系統100包括直流電壓源12G、逆變“ 150。該直流電_ 12〇連接至該逆變電路單元=之3=^皮； 不波器150連接至該逆變電路單元13〇輸 4 : 120具輸出電壓及電流顯示功能。之％心韻机電屋源 電路ίίΐίΪΪ極射_⑽連接至該逆變 SC i啟該直流電壓源12〇及示波器150,由 f 卩壓源12G之輸出電壓點亮該冷陰 之r·出的触巾，槪魏路單元130 百Λ該點燈電壓值及對應之電流值由該示波器兮 兮 阅 阅 阅 第 — — — — — — — — 阅 — — — — — — — — — — — The detection system 100 includes a DC voltage source 12G, an inverter "150. The DC power _ 12 〇 is connected to the inverter circuit unit = 3 = ^ skin; the non-wave device 150 is connected to the inverter circuit unit 13 〇 4: 120 output voltage and current display functions. % heart rhyme electromechanical source circuit ίίΐίΪΪ 射_(10) connected to the inverter SC i to start the DC voltage source 12〇 and oscilloscope 150, by f 卩 source 12G output voltage Light up the cold and the r-out of the touch towel, and the Weilu unit 130. The voltage value of the lighting and the corresponding current value are used by the oscilloscope.
該直流電麟m之輸出電壓即為該冷陰極射 ，壓，該二次紐電壓值及對應之電流值由該直流電 顯不。 $ ’該^系統100檢測日夺，該直流電壓源12〇 ϊί ；；Ϊ；ίΛ^ ： 繁^且4運，為暫日寸連接，連接較不穩定，使得檢 性車父差，進而V致該檢測系統1〇〇檢測時較不方便。、心 【發明内容】 有鑑於此，有必要提供一種檢測較方便之檢測裝置。 ^77750 -種檢測裴置，方气之檢，統。 元及輸出端，該輸人二人，、讀電路單元、電壓檢測單 直流電逆變為交流電^升#輸=流電’該逆變電路單元用於將 輪出，該電壓檢測出端用於將該升職之交流電 一種檢測^ ^之輸出電壓。 J電壓給該檢測裝置提供直:電括= ϊ:;:路|壓=元及_ 輪出用將直流電逆變為交流電並升壓，該 該檢測裝置之Ι|ί之交流電輸出，該龍檢測單元用於測量 建立捭久遠垃你/e#二，辰i單凡及電磁線圈繞組整合，並 簡ΐ且^極射線管相連，進而使得該檢測系統連接 ★’因此該檢測系統檢測較方便。 l貝施方式】 圖，—ΐϋ/第二圖，係本發明檢測系統一較佳實施方式之示竟 直/2°°包括一直流電壓源22°及一檢測裝置260，; 供ί該檢測裝置260 連接’為該檢測裝置260提 八窀源二士檢測^置260與該冷陰極射線管28〇電連接。 一抑如第三圖所示，該直流電壓源220具一輸入端221、一電壓顯 223、一電流顯示單元224、一電壓調節旋鈕225、一電流 SI ί紐、一開關228及一輸出端229。該輸入端221可接22〇V 了之父流電源’該電壓顯示單元223用於顯示該直流電壓源 ^ ^輸出電壓，該電流顯示單元224用於顯示該直流電壓源220 =出電流，該電壓調節旋鈕225用於調節該直流電壓源22〇之 壓，該電流調節旋鈕226用於調節該直流電壓源220之輸 出，流，該開關228用於開啟或關閉該直流電壓源220,該輪出端 可$出電壓為0V至24V、電流為〇A至5A之直流電。 如第四圖所示，該檢測裝置260包括一輸入端26卜一逆變電 1277750 一電壓檢測單元263、一電流檢測單元268及一輪屮 ί帝端3、逆變電路單元262及輸出端269依次連接， 263及電流檢測單元268設置於該逆變電路單元 、长輸出知269之間，用於測量該檢測裝置260之輸出電壓及電 流0 % a輸入端261具一正極端及一負極端，該輸入端261與該直 k電壓源220之輸出端229電連接，其用於輸入直流電。/、 該逆?電路單元262具-正極輸入端迎、一"負極輸 =22 : —尚壓端2623及一低壓端2624，該正極輸入端2621與該 f公H61·之正極端相連，該負極輸入# 2622與該輸入端a 路單元262可將直流電逆變為交流電並升 £，再糟由该尚壓端2623及低壓端2624將高壓交流電輸出。 該電壓檢測單元263包括一電壓表265及二電阻266、267， ，、用於測量該檢測裝置260之輸出電壓。該電阻266之阻值遠 於該電阻267，該電阻266之阻值為3ΜΩ，該電阻267之阻值為 30ΚΩ。該二電阻266、267串聯連接於該高壓端2623及低壓端 之間，該電壓表265與該電阻267並聯連接。 狐I而2624 ⑽彳ί測單元268為—電絲，其_連接於該低壓端 624 /、该輸出端269之間，其用於測量該檢測裝置26〇之輸出 流。 該輸出端269具二端，一端與高壓端2623及電阻266相連， 另一端與該電流檢測單元268相連，其用於輸出高壓交流電。 如第五圖所示，該逆變電路單元262包括一電感27〇，二電阻 27；1、=72，二電晶體273、274，二電容275、277及電磁線圈繞組 276。该電感270之電感值為1〇〇μΗ，其用於將直流電路部份與震 盈電路部份隔離。該二電阻271、272之阻值為3.6ΚΩ。該二電晶 體273、274為ΝΡΝ型三極體，其型號為ΖΤΧ1409Α/ΖΤΧ。該電 谷2乃之電容值為〇·22μΡ ;該電容277為一高壓電容，其電容值 為27pF 。該電磁線圈繞組276之型#為 XFRM—NONLIN/CT-PRI/SEC，其包括三組初級線圈 Li、L& ^ 與一組次級線圈U，該三組初級線圈Ll、L2&L3之接頭分別為2 及3、4及5、1及6，該次級線圈L4之接頭為7及8，該接頭1、 1277750 2、4及7為同名端。 當該逆變電路單元262工作時，直流電經由該正極輸入端 2621及電感270供給該二電阻271、272與電磁線圈繞組276之接 頭3及4 ’使ΰ亥電磁線圈繞組276開始工作，而該二電阻271、272 為該二電晶體273、274之偏置電阻，該直流電亦經由該二電阻 27；1、272為該二電晶體273、274提供偏置電壓，使該二電晶體 273、274開始工作。 該電容275連接該接頭2及5，該電容275與該電磁線圈繞組 276之初級線圈Li及L2構成三點式震盪電路，其可將直流電逆變 為交流電。 一該二電晶體273、274之集極分別連接至該電容2乃兩端，該 二電晶體273、274之射極分別連接至該電磁線圈敝276之初級 線圈L3之接頭1及6，該二電晶體273、274與電磁線圈繞組276 之初級線圈La構成饋式推挽放電電路，以對該三點式震盪 行放電。 w 放電時產生的交流電流_電磁線圈繞組 276感應升壓產生之高壓交流電由次級線圈^之接頭7及8輸出。 該電容277串聯連接於該接頭7與該高壓端2623之間，其用於與 该次級線圈L4感應生成之高壓交流電諧振以維持震盪。 使用該檢測系統200檢測時，將冷陰極射線管28〇連 檢測裝置260之輸出端269，開啟該直流電壓源22〇，該直流電壓 源220輸出之直流電經由該輸入端261供給該逆變電路 262, 該^變電路單元262將直流電逆變並升壓為高壓交流電，再 该南壓端2623及低壓端2624經由該輸出端269將高壓交流電 給冷陰極射線管280。 丁门^又/瓜电t、 由低到該直流電壓源22G之輸出電壓點亮該冷陰極射 線管280。在该冷陰極射線管280點亮的過程中，該電壓檢測單 =會出^最高輸出電壓，該最高輸出糕為該; 該，燈電壓值及對應之紐值可_電壓檢測單 檢測單兀268顯示。該檢測裝置260出現最高輸出 電壓牯，該直流電壓源220之輸出電壓為該冷陰極射線管 二次點燈電壓，該二次點燈電壓值及對應之電^值 1277750 壓源220之電壓顯示單元223及電流顯示單元224顯示。 清一併芩閱第六圖，該檢測裝置260可進一步包括一外靖 279，該外殼279用於收容及保護該檢測裝置26〇之元 輸入端261及輸出端269與直流電壓源220及冷险28〇 相連，提高該檢測裝置260之觀性及安全性❿極射線官280 、、則檢測裝置藉由電壓檢測單元263檢 測輸出電壓，亚將電壓檢測單元263與逆變電路 ， 並建立持久連接，使得該檢測裝置26〇穩定性較高，且 ^入 261及輸出端269與直流電壓源22〇及冷陰極射線管28〇 ^目二進 統2〇0連接簡單且穩定性較高，因此該檢測系統The output voltage of the DC power m is the cold cathode radiation, the voltage, and the secondary voltage value and the corresponding current value are not represented by the direct current. $ 'The system 100 detects the day, the DC voltage source 12〇ϊί;;Ϊ; Λ Λ ^ : 繁 ^ and 4 transport, for the temporary day inch connection, the connection is more unstable, so that the detective car father, and then V It is inconvenient to detect the detection system 1〇〇. , heart [Invention] In view of this, it is necessary to provide a detection device that is more convenient to detect. ^77750 - a kind of detection device, check the square gas, system. Yuan and output, the input two, the read circuit unit, the voltage detection single DC inverter is AC power ^ liter # 输 = current ' 'The inverter circuit unit is used for wheeling, the voltage detection end is used for The promoted alternating current is an output voltage for detecting ^^. The J voltage is supplied to the detecting device: the electric circuit includes: ϊ:;: the road|pressure=yuan and _ is used to invert the direct current to the alternating current and boost, and the detecting device is 交流|ί the alternating current output, the dragon The detection unit is used to measure the establishment of the long-distance la you/e#2, Chen i-fan and the electromagnetic coil winding integration, and the simple and illuminating tube is connected, so that the detection system is connected ★' so the detection system is more convenient to detect. l 贝 方式 】 图 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二 第二The device 260 is connected to the detection device 260 to provide an electrical connection between the 222 and the cold cathode ray tube 28 . As shown in the third figure, the DC voltage source 220 has an input terminal 221, a voltage display 223, a current display unit 224, a voltage adjustment knob 225, a current SI ί button, a switch 228, and an output terminal. 229. The input terminal 221 can be connected to a 22 〇V parent current power supply. The voltage display unit 223 is configured to display the DC voltage source ^ ^ output voltage, and the current display unit 224 is configured to display the DC voltage source 220 = output current. The voltage adjustment knob 225 is used to adjust the voltage of the DC voltage source 22, the current adjustment knob 226 is used to adjust the output of the DC voltage source 220, and the switch 228 is used to turn the DC voltage source 220 on or off. The output can be DC with a voltage of 0V to 24V and a current of 〇A to 5A. As shown in the fourth figure, the detecting device 260 includes an input terminal 26, an inverter power 1277750, a voltage detecting unit 263, a current detecting unit 268, and a wheel rim, an inverter circuit unit 262, and an output terminal 269. Connected sequentially, 263 and current detecting unit 268 are disposed between the inverter circuit unit and the long output 269 for measuring the output voltage and current of the detecting device 260. The input terminal 261 has a positive terminal and a negative terminal. The input terminal 261 is electrically connected to the output terminal 229 of the straight k voltage source 220 for inputting direct current. /, the reverse circuit unit 262 has a positive input terminal, a " negative output = 22: - a pressure terminal 2623 and a low voltage terminal 2624, the positive input terminal 2621 is connected to the positive terminal of the f male H61. The negative input # 2622 and the input terminal a unit 262 can invert the direct current into alternating current and increase the high voltage alternating current output from the still end 2623 and the low end 2624. The voltage detecting unit 263 includes a voltmeter 265 and two resistors 266, 267 for measuring the output voltage of the detecting device 260. The resistance of the resistor 266 is greater than the resistance 267. The resistance of the resistor 266 is 3 Ω, and the resistance of the resistor 267 is 30 Ω. The two resistors 266 and 267 are connected in series between the high voltage terminal 2623 and the low voltage terminal, and the voltmeter 265 is connected in parallel with the resistor 267. The fox I and 2624 (10) 彳 彳 unit 268 is a wire that is connected between the low voltage end 624 / and the output end 269 for measuring the output current of the detecting device 26 . The output end 269 has two ends, one end is connected to the high voltage end 2623 and the resistor 266, and the other end is connected to the current detecting unit 268 for outputting high voltage alternating current. As shown in the fifth figure, the inverter circuit unit 262 includes an inductor 27A, two resistors 27; 1, = 72, two transistors 273, 274, two capacitors 275, 277, and electromagnetic coil windings 276. The inductance of the inductor 270 is 1 〇〇μΗ, which is used to isolate the DC circuit portion from the oscillation circuit portion. The resistance of the two resistors 271 and 272 is 3.6 Ω. The two electric crystals 273 and 274 are ΝΡΝ-type triodes, and the model number is ΖΤΧ1409Α/ΖΤΧ. The capacitance of the valley 2 is 〇·22 μΡ; the capacitor 277 is a high voltage capacitor having a capacitance of 27 pF. The type of the electromagnetic coil winding 276 is XFRM-NONLIN/CT-PRI/SEC, which includes three sets of primary coils Li, L& and a set of secondary coils U, the joints of the three sets of primary coils L1, L2 & L3 2 and 3, 4 and 5, 1 and 6, respectively, the joint of the secondary coil L4 is 7 and 8, and the joint 1, 1277750 2, 4 and 7 are the same name end. When the inverter circuit unit 262 is in operation, the direct current is supplied to the two resistors 271, 272 and the contacts 3 and 4' of the electromagnetic coil winding 276 via the positive input terminal 2621 and the inductor 270, so that the electromagnetic coil winding 276 starts to work. The two resistors 271 and 272 are the bias resistors of the two transistors 273 and 274. The DC power also supplies a bias voltage to the two transistors 273 and 274 via the two resistors 27 and 272, so that the two transistors 273, 274 started working. The capacitor 275 is connected to the terminals 2 and 5. The capacitor 275 and the primary coils Li and L2 of the solenoid winding 276 form a three-point oscillating circuit that inverts direct current into alternating current. The collectors of the two transistors 273 and 274 are respectively connected to the two ends of the capacitor 2, and the emitters of the two transistors 273 and 274 are respectively connected to the connectors 1 and 6 of the primary coil L3 of the electromagnetic coil 276. The two transistors 273, 274 and the primary coil La of the electromagnetic coil winding 276 constitute a feed push-pull discharge circuit for discharging the three-point oscillation line. w AC current generated during discharge_Electromagnetic coil winding 276 The high-voltage AC generated by induction boost is output from the secondary coils of connectors 7 and 8. The capacitor 277 is connected in series between the terminal 7 and the high voltage terminal 2623 for resonating with the high voltage alternating current induced by the secondary coil L4 to maintain oscillation. When detecting by the detecting system 200, the cold cathode ray tube 28 is connected to the output end 269 of the detecting device 260 to turn on the DC voltage source 22, and the DC power outputted by the DC voltage source 220 is supplied to the inverter circuit via the input terminal 261. 262. The circuit unit 262 inverts and boosts the direct current into a high voltage alternating current, and the south voltage end 2623 and the low voltage end 2624 send the high voltage alternating current to the cold cathode ray tube 280 via the output end 269. The Dingmen^again/Melon electric t, the cold cathode ray tube 280 is illuminated by an output voltage as low as the DC voltage source 22G. During the lighting process of the cold cathode ray tube 280, the voltage detection unit=outputs the highest output voltage, and the highest output cake is the same; the lamp voltage value and the corresponding value can be _voltage detection single detection unit 268 shows. The detecting device 260 has a maximum output voltage 牯, and the output voltage of the DC voltage source 220 is the secondary lighting voltage of the cold cathode ray tube, and the secondary lighting voltage value and the corresponding voltage value 1277750 voltage source 220 display Unit 223 and current display unit 224 are shown. As shown in FIG. 6 , the detecting device 260 may further include an external 279 for accommodating and protecting the input end 261 and the output end 269 of the detecting device 26 and the DC voltage source 220 and the cold. The risk is 28 〇 connected to improve the visibility and safety of the detecting device 260. The detecting device detects the output voltage by the voltage detecting unit 263, and the voltage detecting unit 263 and the inverter circuit establish a long-lasting The connection makes the detection device 26 〇 high in stability, and the connection 261 and the output terminal 269 are simple and stable in connection with the DC voltage source 22 〇 and the cold cathode ray tube 28 . Therefore the detection system
該二電晶體273、274亦可為PNP型三極體。 269 ^流檢測單元268亦可設置於該高壓端她與該輸出端 電壓26^電壓表265及電流檢測單元268可為 值可由該數字電壓表及數字電、、^ ’㈣壓及電抓 元263亦可僅為一電壓|^電抓表之顯不屏頃出。該電屋檢測單 惟，以上明專利要件，纽法提丨專利申請。 以上述實ϋΐίί i f較佳實施方式，本發明之範圍並不 明精神所作之等力德】☆热悉本案技藝之人士，在援依本案發 【圖式簡單說明广飾或德’皆應包含於以下中請專利範圍内。The two transistors 273 and 274 may also be PNP type triodes. 269 ^ flow detection unit 268 can also be set at the high voltage end of the output voltage 26 voltmeter 265 and current detection unit 268 can be a value from the digital voltmeter and digital electricity, ^ ' (four) pressure and electric capture 263 can also be just a voltage | ^ electric grab the table is not visible. The electric house inspection document, the above patent requirements, Newfat patent application. In the above preferred embodiment, the scope of the present invention does not clarify the spirit of the spirit. ☆ Those who are familiar with the skill of the present invention, in the case of aiding the case, [simplified description of the decoration or the German] should include Please refer to the patents below.
UiiiSdi陰f射線管檢測系統之示意圖。 第四流電壓源之結構示意圖。 ;五圖係編㈡㉟：立 ;;s;r裳置之結構=一圖。 266 - 267 > 271 - 272 檢測系統 200電阻 10 1277750 直流電壓源 220 電流檢測單元 268 輸入端 221 >261 電感 270 電壓顯示單元 223 電晶體 273 、 274 電流顯示單元 224 電容 275 、 277 電壓調節旋钮 225 電磁線圈繞組 276 電流調郎旋紐 226 外殼 279 開關 228 冷陰極射線管 280 輸出端 229 、269 接頭 1、2、3、4、5、6、7、8 檢測裝置 260 正極輸入端 2621 逆變電路單元 262 負極輸入端 2622 電壓檢測單元 263 高壓端 2623 電壓表 265 低壓端 2624Schematic diagram of the UiiiSdi negative f-ray tube detection system. Schematic diagram of the fourth current voltage source. ; five maps edited (two) 35: stand;; s; r skirt structure = a picture. 266 - 267 > 271 - 272 Detection System 200 Resistor 10 1277750 DC Voltage Source 220 Current Detecting Unit 268 Input Terminal 221 > 261 Inductor 270 Voltage Display Unit 223 Transistor 273, 274 Current Display Unit 224 Capacitor 275, 277 Voltage Adjustment Knob 225 Solenoid winding 276 Current adjustment knob 226 Housing 279 Switch 228 Cold cathode ray tube 280 Output 229, 269 Connector 1, 2, 3, 4, 5, 6, 7, 8 Detection device 260 Positive input 2621 Inverter Circuit unit 262 negative input terminal 2622 voltage detecting unit 263 high voltage terminal 2623 voltmeter 265 low voltage terminal 2624