At present, the main way to solve the problem of information acquisition for the visually impaired is the use of Braille. Braille is also known as Braille. The international Braille consists of six raised dots as the basic structure. It is a written symbol for the blind to read and write.
国内现行盲文GB/T15720是以注音字母为基础，拼写汉语普通话的盲文方案。体系比较简单，它根据汉语音节结构的特点，采用了声、韵双拼制，声母21个，韵母34个，63个盲字点符内可以安排得下，因而不必走长串的音素化的道路，适合了盲文要求简短的特点。
The current Chinese Braille GB / t15720 is based on the phonetic alphabet and spelled Chinese Putonghua. The system is relatively simple. According to the characteristics of Chinese syllable structure, it adopts the double spelling of sound and rhyme, 21 initials, 34 finals, and 63 Braille punctuations, which can be arranged well. Therefore, it does not need to take the path of long string of phonemes, and it is suitable for the characteristics of Braille requiring brevity.
盲文标识
Braille sign
该怎么设计？
How to design?
盲文要容易被触摸到、容易辨认，一般设置在7OOmm-950mm范围内。中英文字母应选择非衬线黑体，不应采用斜体、粗体或衬线字体。标识中盲文应放置于标识内容的下方，不断行。可触摸内容分为多段排列时，盲文也应排列于可触觉图形之下不小于9.5mm的位置，并排列为一行；保持盲文距离标识边缘及其他信息9.5mm以上的空间。可触摸信息的序列宜按从左右的方式排列，与图形配合的盲文位置应尽量接近图形，并应遵守可触觉图文和盲文的一般排版原则。
Braille should be easy to touch and recognize, generally within the range of 7oomm-950mm. The Chinese and English letters shall be non Serif Bold, and shall not be in italics, bold or serif. The Braille in the logo should be placed under the logo content and kept in line. When the touchable content is arranged in multiple sections, Braille shall also be arranged in a line at least 9.5mm below the touchable figure; keep the Braille at least 9.5mm away from the edge of the logo and other information. The sequence of touchable information should be arranged from left to right, and the Braille position matched with the figure should be close to the figure as much as possible, and the general layout principle of tactile image and Braille should be followed.
附着式标识必须遵从以下原则：从的字母底部算起，触摸标识应高出地面少48英寸（约122cm）；从的字母顶部算起，标识离地面高度不宜超过60英寸（约152cm）；对头顶吊挂式标识的字母高度不宜小于2英寸（约5cm），同时字母的底线离地面的距离不宜超过10英尺（约3m）。触摸标识门牌应根据房间门的具体开启方式和位置而设置，房间名称宜用号码与字母来表达，而不是具体词汇。
The following principles must be followed for the attached sign: from the bottom of the lowest letter, the touch sign shall be at least 48 inches higher than the ground; from the top of the highest letter, the height of the sign from the ground shall not be more than 60 inches (about 152cm); the height of the letter mother of the overhead hanging sign shall not be less than 2 inches (about 5cm), and the distance between the bottom line of the letter and the ground shall not be more than 1 0 feet (about 3M). The touch sign doorplate shall be set according to the specific opening mode and position of the room door, and the room name shall be expressed by numbers and letters instead of specific words.
