产品介绍
技术规格书 TN-AYSZ-1
| 标准条款 | 检测项目 | 仪器名称 | 关键参数/标准 |
| GB 4706.53-2024 31.101 | 防锈能力 | 盐酸氨气腐蚀试验箱 | 氨气0.055%、HCl 0.0005%，96小时 |
一、概述
试验箱依据GBT 4706.53-2024和GB/T 34549-2024标准设计，用于智能座便器等产品的氨气/盐酸环境防锈试验，支持氨气或盐酸试验，可定制和一对多控制。系统包括试验箱和废气处理装置，均带PLC+HMI控制和移动轮，支持多箱互联集中控制。适用于各类电子坐便器及相关组件。
二、技术参数
氨气 (0.025-0.1)% ±0.005% 箱内传感器：0~1000ppm（精度≤±2%FS，重复性≤2%）
盐酸 (0.0002-0.001)% ±0.0002% 箱内传感器：0~20ppm（精度≤±2%FS，重复性≤2%）
三、软件功能
实时监控温度、湿度、气体浓度曲线
远程操作支持手机查看状态、报警及紧急制动
I. Overview
This test chamber is designed in compliance with GBT 4706.53-2024 and GB/T 34549-2024 standards, specifically for ammonia/hydrochloric acid corrosion resistance testing of smart toilet seats and similar products. It features dual-function operation with customizable configurations for separate ammonia or hydrochloric acid testing, supporting one-to-many control. The system comprises an ammonia/hydrochloric acid chamber (PLC + HMI control, mobile wheels) and an exhaust treatment unit (PLC + HMI control, mobile wheels). The design enables interconnection and centralized control of multiple chambers, effectively addressing laboratory space constraints while ensuring safe emission compliance.
Applicable to molded electronic toilet, packaged electronic toilet, frozen electronic toilet, vacuum electronic toilet; automatic lid device, heating seat, spray wash seat classified toilet;
II. Technical parameters
1. Box size and capacity
• Internal dimensions of test chamber: W (1150mm) × H (1600mm) × D (900mm)
• sample capacity ：
• 4 complete machines (maximum size: 450×700×700mm) (customizable, one-to-many control)
• 8 cover plates (maximum size: 450×700×200mm) (customizable, one-to-many control)
• Occupancy ratio: ≥35%
2. Temperature control
• Range: 20°C~40°C (adjustable)
• Volatility: ≤±2.0°C (constant state)
• Homogeneity: ≤±2.0°C (no load)
• Heating time: ≥1° C/min (empty box)
• Cooling time: 0.75-1° C/min (empty tank)
3. Gas concentration control
| Gas type | control range | Sensor requirements |
| ammonia | (0.025-0.1)% ±0.005% | Sensor in the box: 0~1000ppm (precision ≤±2%FS, repeatability ≤2%) |
| hydrochloric acid | (0.0002-0.001)% ±0.0002% | Sensor in the box: 0~20ppm (precision ≤±2%FS, repeatability ≤2%) |
4. Material and corrosion resistance
• Inside the box: polymer PP lining
• Contact parts (fans, pipelines, etc.): made of corrosion-resistant polymer materials
• Structural frame: 304 stainless steel (spray plastic treatment)
5. Safety and environmental protection
• exhaust emission ：
• Ammonia gas ≤2ppm (GBZ 2.1-2019)
• Hydrochloric acid ≤2ppm (GBZ 2.1-2019)
• Process: ammonia (water spray), hydrochloric acid (alkaline neutralization), equipped with pH value sensor alarm
Safety measures: gas cylinder explosion-proof cabinet, concentration alarm device
3. Conditions of use
|
order number |
project |
Parameter requirements |
|
1 |
source |
AC380V (±19V)/50Hz, three-phase five-wire system, power ≥20kW |
|
2 |
water supply |
City pressure, valve DN20mm, pipeline to near the equipment |
|
3 |
compressed air |
0.3~0.8MPa, flow rate ≥10m³/h |
|
4 |
ambient condition |
Temperature 25~35°C, humidity 40~85%RH |
|
5 |
floor space |
≥20~35m² |
|
6 |
Self-weight of equipment |
500kg |
|
7 |
Ground load-bearing |
≥300kg/m² |
|
8 |
Other requirements |
1. Establish glass partition between ammonia salt tank and indoor room to prevent other escape of ammonia salt; 2. Install ventilator in indoor room; 3. Configure ammonia salt cylinder (40L) |
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