【正文】 ti y, spread out bef or e us. Securit y plan ent er s t he deployed St at e. Af t er list ening t o your business obj ective f or t he leaders of securit y, I quickly people wit h loyalt y t o t he cause of s ecurit y, as well as pr evious securit y experience, bined wit h peer pioneers of success stories or exper iences. Bor der securit y on your business ideas and suggest ions t o m ake as f olows: 1. 1 af ter caref ul analysi of a blueprint of t he ent erprise, t aking int o account your enter prise f act or y boundary: x r ectangular sit e. 1. 2 scope f or such dachangqu, I r em end t he solid bor der securit y deployment , f or a r ange of r easons, whet her we use inf r ar ed r adiat ion, elect r onic f ences, alarm had done t her e, wher e t he r esponse. Because t he f act ory could not spend a gr eat deal of m anpower cost o post hr ee steps, f ive steps and a whist le. As we all know, under t he cur ent f orm of hum an r esources costs m uch igher t han t he cost of all scientif ic and t echnological input . I n or der t o bett er achieve t he goal of planner s, as well as f or Active solid bor der defense wor k. We r em end t hat you se inf rared r adiation or linkage of electr onic f ences wit h video securit y deployment t o achieve securit y goals . 1. 3 in accordance wit h t he device on t he wall of t he pound pr operties and parameters t o a r easonable plan t o install t he inf rared r adiat ion equipm ent or f ences and electr onic equipm ent as well as video surveilance equipm ent, t he specif ic needs of t he equipm ent and m aterials quant ites we wil det ail at er. 1. 4 t he pr ogr amme according t o your pany39。 39 1. 系統(tǒng)設(shè)計(jì) 設(shè)計(jì)要求 制作 車(chē)載通信設(shè)備用 單相正弦波逆變電源 ，輸入單路 12V 直流，輸出 220V/50Hz。 19 s actual sit uat ion and fut ur e development rends, border secur ity alar m syst ems f or t he project design. 5. 1. principle of syst em and burglar alar m system f rom det ect or s, regional dir ectors, and t he alarm cont rol centre posed of three parts. I ts principles as in t he folowing char t: det ector s f or burglar alar m system is inside and outside the building in key areas, import ant places, protect ion, when t he probe t o ilegal invader s, the signal t ransmit t ed t o t he alarm cont rol: sound and light alar m, display address, about he person on duty aft er r eceiving t he alar m, t ake measures accor ding t o the situation, t o contr ol t he development of t he sit uat ion. Anti theft alarm syst em alar m f unction in addit ion t o t he above, there is linkage f unct ion. Such as: open the alarm light ( including infr ared lam p) , int eract ive audio and video matr ix contr oler , swit ch on t he alar m camera on t he spot , mat rix cont roler TV series of contr ol: monit or displays an im age, video footage, m ultimedia cont roler aut omat ic or human . . t he three guar antees per iod warr anty 1, war ranty 1) ser vice per iod f rom dat e of accept ance of engineering, a 1year warr ant y, war ranty processing is plet ed wit hin t he r esponse tim e is 48 hours. 2) service wit hin t he warranty period, we all accessor ies uncondit ional war rant y for all equipm ent and r eplacement, all par t s f or all equipment ( including all m achine par ts) maint enance and part s are f ree and pr ovide on sit e cleaning, t est equipment ser vices. During t he warr ant y period, alequipm ent repair and maintenance services for on sit e ser vices, t he r esulting f ees are waived. Fr ee f or system expansion, upgrade related technical suppor t services. 3) system warr ant y contact infor mat ion to pr ovide users wit h fr ee t echnical advice, det ailed answer t o any problem in t he system, to ask, answers wil c ome det ail. I n t he users if unable t o solve the problems by t hemselves, dir ectly by t elephone, f ax, I nter, lett er , such as gett ing in t ouch wit h my pany (which calls f or 24hour ser vice), we wil r espond wit hin 4 hour s, consult at ion wit h users to solve t he pr oblem. 2, ser vice r esponse t imes, we are mit ed t o the warr ant y period on t he oper ation of t he syst em on a r egular basis carr y out pr ehensive inspect ions, f ound t hat the problem solving on the spot ,2 死區(qū)時(shí)間控制電路的設(shè)計(jì) 該電源采用推挽升壓和全橋逆變兩級(jí)變換 ， 在控制電路上，前級(jí)推挽升壓電路采用 SG3525 芯片控制 ，閉環(huán)反饋； 逆變部分采用 驅(qū)動(dòng)芯片 IR2110 進(jìn)行全橋逆變，采用U3990F6 完成 SPWM 的調(diào)制 ， 后級(jí)輸出采用電流互感器進(jìn)行采樣反饋，形成雙重反饋環(huán)節(jié)，增加了電源的穩(wěn)定性； 在保護(hù)上，具有輸出過(guò)載、短路保護(hù) 、過(guò)流保護(hù)、空載保護(hù) 等多重保護(hù)功能電路，增強(qiáng)了該電源的可靠性和安全性 ；輸出交流電壓通過(guò) AD637 的真有效值轉(zhuǎn)換后，再由 STC89C52 單片機(jī)的控制進(jìn)行模數(shù)轉(zhuǎn)換，最終將電壓值顯示到液晶 12864 上，形成了良好的人機(jī)界面。 design has t he scient if ict y, r easonabilt y and operabilt y. I ts has f ol wing pr inciples: 2. 1, and advanced and applicabilt y used cur ently m ost advanced of sof t, and hardware and t he wor k t echnol gy, er rors r at e low, patible sex st r ong, upgr ade easy, used module t ype str uct ur e, expansion convenient, no r epeat const ruct ion i vestment, syst em of t echnol gy per form ance and qualit y index should r eached int er nat ional eading level。 15 高頻變壓器的繞制 25 附錄 1 使用說(shuō)明 while, system of inst alat ion debugging, and sof t war e pr ogr amming and operation using and should simple, easy m aster, f or China condit ions and t his pr oj ect of eatures. Set t he num ber of advanced t echnol gy in a t he systems, r ef lect s t he cur rent level of t he lat est developm ent of