Portfolio

PORTFOLIO

ID 2020 Wu Zhenni

TRAVELING COFFEE CUP

A cup that can both be used as a vacuum bottle and a coffee mug.

RESEARCH PROBLEM STATEMENT Every weekday morning, it’s normal to see that many people rushing on their way to work, holding a coffee cup in their hands.

ON PUBLIC VEHICLE

ON FOOT

BY THE STREET

shaky carriage

in a rushing chaos

strain for a long time

the crowd

unstable upper limbs

leak of ledge to rely on

interruptions

RESEARCH USER’S PROGRESS

1 DURING WALK

2 AT CAFE

3 ON PUBLIC VEHICLE

3 AT WORK

RESEARCH TARGET SETTING

STRUCTURE ANALYSE

Saftey Locking Pin to pretend accidently opening

Rubber Cushion soft material helps to seal

Lid supposed to be both easy to open and sealed while closed

Various Bubbler

Rubber Washer

designed for different purpose usually be the lightspot of entire bottle design

to increase the friction between the lid and bottleneck, meanwhile as a buffer

Vacuum Insulation Layer

Bottleneck stainless steel

Handle several forms for one purpose: easy to hold

SKETCH MAN FACTOR

FORM DEDUCING

Side Direction

While holding horizontally

strength point concentrates on 1st and 2nd knuckles.

The most comfortable posture is to keep the thumb and index at a nature angle.

Vertical Direction

While drinking

Based on the friction between hands and the handler,

The thumb take the most of response to stabilitize

some force on vertical direction can burden against

the bottle, while other fingers take an assist role.

the gravity.

Front Direction

While walking

From this direction it’s clear to see,that the index

In this case the index get to fight against the gravity

knuckle undertakes the most of force.

of the bottle.The best way to achieve the maximum is to use the 1st and 2nd joints of the fingers.

DRAFT CONCEPT CONCEPT 1

CONCEPT 2

Tools : Fusion 360, Keyshot, Sketchbook

Material : Plastic, rubber, stainless steel

DRAFT CONCEPT CONCEPT 3

TEST

CONCEPT 1

CONCEPT 2

In order for the user to open the lid with a single handle, the position of the button is placed in an easily accessible location.

The cup cover fits into the bow of the thumb without extending the finger to open it.

CONCEPT 3 The grooves below allow more space for the hands to grab and more convenient to use.

FINAL CONCEPT OVERVIEW

DETAILS

Die Schaltfläche mit dem Deckel geklickt

Beim Öffnen des Deckels der Mund nach oben

FINAL CONCEPT

BATHING BED

A support equipment for disable elderly To help them having a throughly bath without dangerous

RESEARCH RECOVERY TIME OF DIFFERENT FRACTURES (MONTH)

PROBLEM STATEMENT As people’s living standard continue to rise, the quality of patience being more and more concerned by society. People require not only physically healthy, but also the psychologically

Offer the patient self-sufficiency

Worth Trying

Lower the opprationer’s professionalskill standard

Collum chirurgicum humeri

4~6

4~6

Protect patient’s privacy

security.

Humerus

Privacy stand least in hospital. Nursing is easy to ignored even in a mature medical system. Care

Secondary Target

Isolate the injury parts effictively

4~8

Improve cleaning efficiency

Condyles of humerus

worker alway consider the efficiency as the most

Reduce times of body contact

important thing during their job. We can’t blame

Reduce moving requency and extent

them for their careless on patient ‘s privacy and emotion. But I wonder if there is somthing we could do to improve this sitation.

Prirmary Target

Simplifying cleaning process Reduce secondary damage

Clavicle

3~6

Distal radlus

3~6

Shaft of femur

8~12 Shaft of ulna and radlus

6~8

Metacarpus and phalange

3～4

Intertrochanteric

7~10

Collum femoris

12~24

Kneecap

4~6

Ankle

4~6

RESEARCH TARGET MARKET

Feed

SECOND DAMAGE AVOID

Moving the body of the patience risk a lot,

Second damage is common especially when the patient was nursed by

especially during shower,when the body

a nun-professional person. It was unavoidable, no matter how careful.

getting slippery. To solve the problem by reducing the frequency, a bathing function was designed by Hudel, a small chinese

Action

Even so can we reduce the risk by giving the vulnerable part extra protection. Thus I collected some cases and analysis the data, in order to find out the way to protect the patient while moving.

firm.

To strut the patient’s body, and at the meantime scrub the bottom of the body,I summed up the body force diagramm as above,result as

Bath

shown below.The part in deep green was suppose to spport the body independently when removeing the light green part.The vulnerable joints was particular concerned.

The whole body’s weight distribution was laid on a limited area.To make

Rest

sure it won’t bring so much pressure to the joints,I made some experiments with different shapes of people.

RESEARCH HUMAN FACTOR

HUMAN FACTOR

REMOVEMENT ANALYSE

WATER CONSUMPTION

SHIELD THE SIGHT

By comparing with the bathing way of healthy

To comfort the patient’s emotion,I managed to make the pad higher

people and the existing bed afusion,reckon

than the eye level when they lie on the side.It can help a lot to reduce

the water consumption,thus make the forecast

the embarrsse,when eye contact with others is completely blocked up.

Care worker

of continuity bathing number.

move the patient’s body

Patient

set the patient safe in the bed

pose the proper gesture

6L

12L

20L

60L

scrub

bed afusion

afusion

volume

turn the body around 17.5

20 69° 59°

7.5

12

SKETCH

1 Remove the beding

2 Seperate the airbed and the mattress

3 Air-bleed

4

Push in the sprinkler

5 Cover the sprinkler above patient’s body

PROGRESS CONCEPT

FINAL CONCEPT

This version of airbed is made of inflation matresses and sponge cushion. After moving the patient’s body into the bed,the airbed can be deflated, and only left the sponge part to support the body.

This design supposed to be convenient for the water to pass by, but it also causes a safety problem, which would betrays my original purpose.

Air Heater Sudden change of temperature could be mortal for many patients.

On the other hand, laying on the bed make the drying much difficult.

An air heater can solve the both questions. By pushing and pulling the air heater, the body was dried rapidly after showering.

FINAL CONCEPT STRUCTURE

Airbed After moving the patient to the bathingbed,the airbed will be

Covering sprinkler

solid fixed with the frame.

Bent the pipe in “S” shape and punched it evenly, the flow was arranged all over the section. Outboard adopt the strcture from the hand shower,

Throwaway sheet

and to support itself, trapezoid-shape inboard can form a arch framing

Under the bed is a throwaway sheet,which is permeable to water and has

when bending.

a certain strength.Thus can provide the patient a protection from accidental fall,neither lead to a seeper.

Frame

Recover tunnel The tunnel was combined with the frame and present a translucent appearance,that give patient a cleany and tidy impress.

Wastewater container Satisfy the requirement to dis-

Regular sprinkler

charge the wastewater and clean the cotain.

Provide convinent for local cleaning.

Water container

RENDERING

RENDERING

VISUALISATION

EXPLOSION VIEW Liftable bed frame Cushion Headboard Seam for the matress

Sink Sprinkler for the limbs Sink support Water container Sprinkler for the Body Shell Disposable matress Matress holder Waste water container Waste water outfall

TOOTH MATE

A subject that contain all the function that needed during teeth brushing.

Make the progress fun and easy.

RESEARCH PROBLEM STATEMENT

TARGET MARKET

This product of inspiration came from a project of my Design

In order to have a better comprehend, I collect a few product

Psychology course.It’s not a secret, that people in the

cases. They are from different occasion, and had diffrent design

contemporary time lack attention to their Dental health. That

emphasis.

Portability

Cleaning Efficiency

seem particutlar serious in developing country, like China.

With this concern, I restarted this project and managed to gain a more perfect solution.

Change the direction of the flow

No need to gargle

As regular

As regular

Funny operation event

Funny exterior and operation

Blow bubbles during brushing

As a brush and a cup

Chew instead of brush

As regular

As a brush and a paste

Reminding countdown

Dial 3 minutes

As regular

As regular

Don’t need paste

Ion on the hair clean the teeth

Paste is stored in the handle

As regular

As regular

As regular

RESEARCH

RESEARCH

SURVEY: QUESTIONNAIRE Q1. When do you prefer to contain your water? a. Just after I get my brush b. When I finish squeeze my paste to the brush c. When I finish brushing and adove togargle my mouth

Q2. Is it beacuse the habit of wetting it before brushing your teeth? a. Yes b. No. Other reason Q4. What is the reason for you to do so? a. My habit b. Consider it more efficient c. Don’t think of it until finish brushing

Q5. What do you think of ”Wetting the brush lower the efficiency“? a. Heard it before, but don’t care b. Heard it before, and agree with that c. First heard, but don’t care d. First heard, and willing to adjust my behaviour base on that

Q3. After containing the water, what do you prefer to do with the cup? a. Hold it in my hand, even when there is a plate for it b. Put it down, but it’s ok for me to hold it when inconvenient c. Put it down, and feel uncomfortable when I have to hold it

Q7. If conditions limited you from finishing some key steps of your usual brushing, what would you prefer to do? a. Wait for a proper condition b. Quit brushing c. Try to find a solution d. Change my movement to adapt

Q6. What do you think of “dip the brush in water to avoid dry mouth”? a. Incomprehensible b. Understandable c. Agree with that

What do you think about “Wetting brush lower the efficiency”

(91.45%)

(8.55%)

28.90%

37.5% hold it in hand (strong)

6.67%

Contain the water after brush

Put it down (strong)

Contain the water after brush

Put it down (slight)

deal with your cup?

NO

Heard it before, but don’t agree

11.6%

What do you prefer to

YES

RESULT 1 : USER CLASS

Contain the water before brush

RESULT 3 : USER HABBIT

RESULT 2 : CHANGE INTENTION

14.10%

NO (8.55%)

Hold it in any case

11.28%

Heard it before, and agree Would like to change my behave along with that

YES (91.45%)

12.49%

33.71% 30.51%

13.84%

Put it down (strongly)

21.41%

19.9%

Don’t think it bother much

51.00%

Put it down (slightly)

36.80%

Wetting mouth before brushing?

52.45%

63.97%

23.54%

Wetting mouth before brushing?

RESEARCH

RESEARCH

INTERVIEW

HUMAN FACTOR What if changing your usually habit,but provide you a better efficient?

Sexual Distinction Male

Z

G

Y

W

GET THE BRUSH

CONTAIN THE WATER

E

ST

PA

E EZ

UE

SQ

Female

Zhiqi Wang

MengQiu Gao

Xiaoyu Yang

Siyuan Wang

21 college student, product and design

55 Doctor

22 college student electrotechnik

17 High school student

EXPERIENCE

DIFFICLUT PROGRESS

ACHIEVEMENT

INTEREST

ITH

P CU

W

ITH

TW

NO

CU

P

Child

“No worse experience unless

“what effect would that make.

“Doesn’t matter what would

“Don’t really enjoy brushing teeth.

enough deserve to change ”

the progress might be difficult, ”

bring using the most efficient way

would it be comfortable to use?”

Are my every step meaningful？”

make the progress interesting.”

CL

EA

N

TH EM

OU

TH

CLEAN THE MOUTH

RESEARCH

CONCEPT

CONCLUSION

SKETCH Prophase conception and the deconstruction of the toothbrush

Criteria

User Demand Comfortable Grasp Agreeable Experience

Human Factor

Dispersed Catch Point Fluency Progress

Meld Corner

Easy To Carry Clean Color

Female

Appearance

Individuation

Neat Mordern

Approachable Achievement

Psychology Definite Score

The posture of distrinct person

Imperceptible

Some attempt of the grip’s shape

Male

Child

CONCEPT COMPLETE IMAGE

FLOW - PROGRESS DIAGRAMM

5/1 DRAFT MODEL

As we can see above, the user haven’t need to change his hand or

The button is the first conponent that establish contact with user. It

use an extra assistant hand. And it’s unapproachable for the user

was expect to be a smooth shape,which can be easy pulled up an

to contain the water, only if he finish brushing his teeth, and pack

down,on and off while bringing a comfortable touch.

While I describe appearance of the product, I always pay attention on how to unite the structrue in wedlock with a simple appearance. To achieve the effect, I need a series of complex conponents, which I don‘t want to be seen or be felt by users.

I simplified the structure inside, to make the stuff possible be producted into a small volume. The brush was combined with the tooth glass, but in the meantime, I also wish it could be easy to grab.

up the brush-head. At that time the lid of the cup will be raised up by pulling the button.

FINAL MODEL 1/1MODEL

EXPLOSION VIEW

The bottom of the brush head make the whole process possible.

These two small conponents is to fasten with the gear and the linkage.

The button,supposed to be a flexible conponent, and easy to push in and down, is a important interaction contral.

A cross shape conponent, to combine the brush head and the cover of the tooth glass.

The cover of the tooth glass, can only be opened after pulling back the brush head

The place to contain water. While the brush glass is combined with the brush,it’s impossible to wet the brush before brushing.

1/1 proportions concept model was made to ensure its shape comfort for people to grab.

I invite some people with distict type of hands, simulate their brushing process with these model. Thus I observe their accomodation to the new product.

TABLE FAN

One-handed operation available Won’t interrupt works

RESEARCH POSITION OF THE ENGINE

USER FEEDBACK

The engine of the fan always setted on the ceter of the blade.That lead to a problem, if the fan raise even a little height, the barycenter will go with it, and make the fan easy to fall or blowed away by its own wind.

“I’ve got a small fan on my desk.It brings me tiny wind

fan and the engine. But it turns difficult,when the engine is on the center of the fan.

HUMAN - FACTOR

Balmuda Greefan

Patrick Chen 23 Research Student

The fan can be more stable, when its rotation axis is below the

COMPETITIVE ANALYSIS

Normal working area Max working area

without interrept my roommate.But sometime I found it inconvenient for my work on the desk.”

Speed difference

Close to nature wind

Handy fan Whale

30°

Allen Yuan 18 Senior School Student

Best place to set the fan Easy to reach

“Most of the produkt take you two hands to adjust

gravity stabili-

the angle! It‘s really annoyed especially when you are concentrate on your work.”

Not interrupt the work Easy for kids to hold

Air vent on a cembered surface

O-fan

easy to clean

Chenghao Sun 59 College Professor

18° Put the fan on the table Measure the adjusting ankle

“Not like you young people, most of my works are papery,not on computer. So I am worry that the fan would blow away my stuff.”

Apart pedestal

Flexible turning

Bothering line

CONCEPT Instead of the normal one, I set the engine in the pedestal of the fan. That would not only make the barycenter stabler, but also make the fan blade easier to cleaning.

Plan 1

more space for the engine

In my concept, the fan blade is packed up when the fan is off, and spread when it’s open. And it can be directly taken down while cleaning, since the engine is down inthe pedestal, that progress should be easy to achieve.

Plan 2

10° fixed by the magnet?

62°

Plan 3

Satisfied two direction of rotation ankle

rubber friction force?

The combine between every parts Use friction to transfer the motivity to the Difference rotation axis

blades without noise

The gear on the engine

SKETCH ABANDONED PLAN Front

Back

Another padastal’s plan, which is less concise, but more stable,while easy to come true.

This area is right circle in cross-section Realized that the pre-version can’t be stable fixed, simplify the blades costructure, to make sure it can operation correctly.

RENDERING OVERVIEW

EXPLOSION VIEW Touch Screen To control the strength of the wind.

Shell Blades Seperated and removeabble blades make cleaning easy.

Transmission Spot The spot is at the extremity of the blades.

Engine

Fixed Slot Seperated-Teeth Gear To cooperate the engine and the transmission spot,the gear is specially designed.

Padastal

Engine is fixed on the padastal,in order to reduce the center of gravity.

RENDERING DETAILS

The engine was fixed on the padastal,and the shell was connectd by an axis, that makes it easy to bend down together.

CRAFTING MODEL 3D PRINT MODEL

PROCESSING

DETAILS

The shell has got a smooth curve surface and a group of vents, and need to be polished very carefully, in case of breaking the weak part.

Polish the blades seperately.

Producted in the proportion 1:1, the model can provide us a intuitive user experience, for example, the posture when holding it,when adjusting it, and the room it occupies on the desk.

The connecting part on the pedastal hasn’t been based, to make sure assembing.

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