NALC automatic gasrelay pressure relief valve test device

NALC氣體（瓦絲）繼電器壓力釋放閥全自動測試裝置

產(chǎn)品特點  TesterFeatures

1、NALC型氣體繼電器檢測臺，采用的嵌入式系統(tǒng)控制技術，綜合用戶的實際需求而推出的新一代氣體繼電器試驗檢測系統(tǒng)。本系統(tǒng)采用了油泵—流量計連續(xù)測量方法，可分別對φ25、φ50、φ80毫米管徑的國內(nèi)外氣體繼電器的流速、容積和密封進行檢測，且實驗過程無須人工參與。

2、嵌入的PC系統(tǒng)，采用全彩觸摸顯示器，可簡單直觀的對系統(tǒng)進行流速、容積、密封試驗的相關操作，并同時編輯打印相關檢測報告，且可以保存數(shù)據(jù)以便隨時調(diào)閱和打印。由于采用嵌入式設計，由PC控制，操作界面友好，整機自動化程度高等特點。

產(chǎn)品結構

1、結構特點

（1）外部機柜采用冷扎板折邊成型工藝制造，外形尺寸2400×650×1570mm(長×寬×高)，整機總重170kg；

（2）夾緊器采用螺桿棘輪方式夾緊被試件；

（3）油箱采用非承壓式結構，側面設有油位計；

（4）在被試件的安裝位置處設有防護罩；

2、電氣及控制系統(tǒng)

（1）工作環(huán)境：－10~＋50℃，相對濕度<85%；

（2）電氣主線路采用AC380V，總功率11KW；

（3）油泵電機采用AC380V，功率5.5KW；

（4）電動執(zhí)行元件采用AC220V/DC24V電源控制，功率0.25KW；

（5）控制系統(tǒng)采用AC220V/DC24V電源控制，功率0.25KW；

（6）油加熱器：AC220V,功率5KW；

（7）采用19寸全彩觸摸顯示器，中英文圖形顯示，操作過程由系統(tǒng)自動完成，無需人工干預；

（8）采用虛擬投影鍵鼠。此技術為二維投影成像，在觸屏前方的工作臺面上，投影出一個紅色與標鍵盤大小一致的虛擬投影鍵盤，操作人員可用此鍵盤對試驗報告內(nèi)容進行編輯。操作人員還可通過此鍵盤快捷鍵，完成鍵盤和鼠標的切換，并通過虛擬鍵盤上的快捷鍵關閉投影鍵鼠，再通過固定手勢打開。

（9）嵌入PC系統(tǒng)可直觀的對重瓦斯流速、輕瓦斯容積、密封檢測的單項和綜合項目進行操作，并同時編輯打印試驗報告；

（10）PC系統(tǒng)內(nèi)安裝由我公司自主開發(fā)，具有完全知識產(chǎn)權的專業(yè)測量控制軟件，并且可實施網(wǎng)絡遠程系統(tǒng)升級和維護。

（11）遠程技術支持：如現(xiàn)場操作人員需要技術支持，設備只需接入外圍網(wǎng)絡，遠程端技術人員即可對設備進行遠程操控及設備軟件升級。

主要技術性能

1、測量范圍

（1）重瓦斯流速檢測

     φ25毫米管徑的流速范圍：0.6~3.9m/s；

     φ50毫米管徑的流速范圍：0.6~3.0m/s；

     φ80毫米管徑的流速范圍：0.6~2.0m/s。

（2）輕瓦斯容積檢測

     檢測范圍：0~950ml。

（3）密封檢測壓力及時間范圍

     密封檢測壓力范圍：0~250KPa；

     密封檢測時間范圍：0~60min。

2、精度

（1）流速檢測精度：1.5級【廠標1.0級】；

（2）流量計精度：0.5級【廠標0.2級】；

（3）重瓦斯流速重復檢測誤差：

     φ25毫米管徑的流速±0.05m/s【廠標±0.04m/s】；

     φ50毫米管徑的流速±0.04m/s【廠標±0.03m/s】；

     φ80毫米管徑的流速±0.02m/s【廠標±0.02m/s】。

（4）重瓦斯流速顯示位數(shù)：0.00m/s；

（5）輕瓦斯容積重復檢測誤差：±10ml；

（6）輕瓦斯容積顯示位數(shù)：0.00ml;

（7）密封重復檢測誤差：±2.5Kpa；

（8）密封顯示位數(shù)：0.00Kpa。

Features Tester Features

1,NALC typeautomatic gas relay test bed, using the latestembedded system control technology, integrated user's actual needsand introduced a new generation of gas relay test detection system.The system uses oil pump - flow meter continuous measurementmethod, respectively φ25,φ50, φ80 mm diametergas relay at home and abroad flow rate, volume and seal detection,and the experimental process without humanintervention.

2, embedded PC system, the use offull-color touch display, the system can be simple and intuitiveflow rate, volume, seal test-related operations, and edit therelevant test report printing, and can save the data at any time toaccess and print. As a result of embedded design, controlled by thePC, user-friendly, high degree of automation.

Productstructure

1, the structuralcharacteristics

(1) The external cabinet is made of coldrolling board, with the dimensions of 2400 ×650 × 1570mm (length× width × height), thetotal weight of the whole machine is170kg;

(2) clamping device using a screwratchet way to clamp the specimen;

(3) the tank is non-pressure structure,the side with a level gauge;

(4) A protective cover is provided atthe installation position of the test piece;

2, electrical and controlsystems

(1) the working environment: -10 ~ +50℃, relative humidity<85%;

(2) The main electric circuit adoptsAC380V, the total power is 11KW;

(3) oil pump motor with AC380V, power5.5KW;

(4) electric actuators AC220V / DC24Vpower control, power 0.25KW;

(5) control system uses AC220V / DC24Vpower control, power 0.25KW;

(6) oil heater: AC220V, power5KW;

(7) with 19-inch full-color touchdisplay, full Chinese and English graphic display, the processautomatically by the system, without human intervention;

(8) the use of virtual projection mouseand keyboard. This technology for the two-dimensional projectionimaging, in front of the touch screen work surface, the projectionof a red and the size of the keyboard consistent with the virtualprojection keyboard, the operator can use the keyboard to edit thecontents of the test report. Operators can also use this keyboardshortcut to complete the keyboard and mouse to switch, and throughthe shortcut keys on the virtual keyboard to close the projectormouse and keyboard, and then open the fixed gesture.

(9) embedded PC system can be intuitiveon the heavy gas flow, light gas volume, seal detection ofindividual and integrated projects to operate, and at the same timeedit the print test report;

(10) PC system installed by our ownindependent development, with full intellectual property rights ofprofessional measurement and control software, and can implementnetwork remote system upgrades and maintenance.

(11) Remote technical support: If thesite operator needs technical support, the e only needsaccess to the peripheral network, and the remote end technicalpersonnel can remotely control the e and upgrade thee software.

Main technical performance

1, the measurement range

(1) heavy gas flow detection

     Φ25 mmdiameter of the flow rate range: 0.6 ~ 3.9m / s;

     Φ50 mmdiameter of the flow rate range: 0.6 ~ 3.0m / s;

     Φ80 mmdiameter of the flow rate range: 0.6 ~ 2.0m / s.

(2) light gas volumedetection

     Detectionrange: 0 ~ 950ml.

(3) seal detection pressure and timerange

     Sealdetection pressure range: 0 ~ 250KPa;

     Sealdetection time range: 0 ~ 60min.

2, precision

(1) flow rate detection accuracy: 1.5[factory standard 1.0];

(2) flow meter accuracy: 0.5 [factorystandard 0.2];

(3) repeated gas flow rate detectionerror:

     Φ25 mmdiameter of the flow rate ± 0.05m /s 【Factory standard ±0.04m / s】;

     Φ50 mmdiameter of the flow rate ± 0.04m /s 【Factory standard ±0.03m / s】;

     Φ80 mmdiameter of the flow rate ± 0.02m /s 【factory standard ±0.02m / s】.

(4) the number of heavy gas flow displaydigits: 0.00m / s;

(5) light gas volume repeat detectionerror: ± 10ml;

(6) light gas volume display digits:0.00ml;

(7) Seal repeat detection error:± 2.5Kpa;

(8) Sealed display digits:0.00Kpa.