Disassembling the braun oral b brush. Bad copy of Philips electric toothbrush from Azdent - first autopsy and resuscitation

A couple of years ago, after trying an electric toothbrush, I discovered Zen.
As in the song - robots work hard, not people (c). There is much less dental plaque, the duration of the procedure is regulated - there is no problem.
My choice then fell on Braun Prof 500, the entry-level product in the professional line, without any bells and whistles.
Then they fell in love with Oral-B and now these brushes come under their brand.
Inside there is a non-removable Ni-MH element, here the manufacturer clearly included “programmed aging”. The memory effect after three years led to the expected - the charge is barely enough for one cleaning.
But as it turned out, a regular AA ni-mh battery is suitable for restoration.

Let's disassemble the device:
- remove the bottom cover (this cover is placed in the charging glass), the cover is spring-loaded - after opening, take out the spring.
- press on the metal pin from above (where we put the attachments), squeezing the entire mechanism down.
- next we disassemble the mechanism itself, we need to unsolder the charging/control unit from the engine:

Internals in analysis

Comparison of native element and donor

Soldering acid

Total, before pushing it back

Rechargeable toothbrushes have been clinically proven to remove plaque better than regular toothbrushes. Although they are relatively expensive, with proper care these brushes will last at least 5 years. The brush heads are easy to change, allowing the whole family to share one power handle and still have their own toothbrush.

How does it work

The cleaning action is provided by the orbital movement of the brush head attached to the end of the head holder barrel. The hollow barrel includes a miniature gearbox in its design and is placed on the drive spindle in the handle. The handle, which is made in the form of a non-separable unit, contains an electric motor, an electronic control unit and a rechargeable battery. Some handles have an external switch slider. In other models, the switch button is covered with a flexible rubber-like cover.

Rice. 1 The device of an electric toothbrush.

1. Brush head holder barrel
2. Pen
3. Closed switch
4. Charger

Each brush is equipped with a charger on which the brush is installed to recharge the battery. The charger is also an isolated monoblock design - charging is carried out inductively and there are no metal contacts electrically connecting the handle and Charger. Therefore, the rechargeable toothbrush can be used completely safely in the bathroom, and the device is equipped with a two-pole plug for electric shavers. If there is no outlet for an electric razor, then the charger can be plugged into any outlet in the house through the appropriate adapter. The charger body may have a compartment for replaceable brush heads.

Battery charge

When charging your new toothbrush for the first time, place it on the charger and the indicator light will illuminate to indicate that it is charging. Leave it to charge for the amount of time indicated in the instructions (usually 16 hours), then remove the brush from the charger and let it run until it runs out of charge.

Rice. 2 Charging an electric toothbrush

Place the brush back on the charger and charge for 16 hours or as directed by the manufacturer. For supporting battery In good working order, it is recommended to repeat this procedure approximately every six months. For optimal use, it is best to keep the brush on the charger in constant recharging- the battery will not take “too much” charge.

Reciprocating motion

To increase the cleaning effect, the latest models have added a reciprocating component to the orbital movement of the brush head.

Two minute warning

Cordless toothbrushes have a built-in timer that, after 2 minutes, causes the brush to work intermittently for several seconds - this is a signal that the minimum recommended duration of brushing has passed. The motor will then operate normally again so that cleaning can continue. For some models, you can select the speed of movement to avoid discomfort with sensitive teeth and gums.

CLEANING THE CORDLESS TOOTHBRUSH

After brushing your teeth, rinse the brush under running water while it is on. Rinse the brush head and holder barrel with water and dry with a paper towel or napkin.

About once a week, remove the brush head and rinse it all the way through the tail to clean the inside. Wipe the drive shaft and handle with a damp cloth. If you have hard water, do this more often to avoid mineral deposits.

Rice. 3 Cleaning an electric toothbrush.

If black plaque begins to accumulate on your brush, do not use toothpaste with a whitening agent. This generally harmless discoloration is caused by bleach deposits in the crevices of your toothbrush.

The deposit may not be noticeable under the slide switch of older models. To clean this area, move the slider back until it disengages and scrub off the residue with a nail brush under running water. When all parts are clean, you need to press the switch and move it forward so that it falls into place. Be careful not to turn the engine backwards.

From time to time, unplug the charger from the outlet and wipe it with a damp cloth. If the device has a unit with a compartment for storing brush heads, then remove it and rinse it under running water. Dry the unit thoroughly before reinstalling it.

Spontaneous turning on of the toothbrush

Water got inside

A crack in the body or a torn rubber band covering the switch button may allow water to enter the brush. This defect cannot be repaired.

Green indicator does not work

When the brush is placed on the charger, the green indicator light should light up. Make sure the charger plug is plugged into the outlet and check the following:

No power supply

If other devices in the same circuit have stopped working, check the panel: there is a blown fuse or a tripped circuit breaker or RCD.

The presence or absence of voltage can be shown by a non-contact tester if you touch the base protrusion on which the toothbrush is placed.

Rice. 4 Bring the non-contact tester to the base protrusion

If it looks like the charger isn't working, then you'll almost certainly have to buy a whole new set.

BRUSH DOESN'T WORK

Water gets inside

If the brush is dropped, its body may burst and water will get inside.

Putting too much force on the spindle when brushing your teeth can damage the seal and cause it to leak.

The rubber coating on the power button may tear and allow water to enter.

If any of these types of damage occurs, the rechargeable toothbrush is likely beyond repair.

Battery won't charge

The battery being charged may be damaged. First test the charger using a non-contact tester (see above). If there is voltage, ask the service center if it is possible to replace the toothbrush itself.

Faulty charger

See above..

Time and pressure indicators

Brushes are made with colored bristles, which should fade after a certain time, and this is a signal that it is time to change the head. Dentists recommend in any case changing the brush head after three months of use and even earlier if the bristles are bent or deformed.

Rice. 5

Bent bristles are a sure sign of excessive pressure on the brush; Only light guiding pressure is required. The latest models are made taking this circumstance into account. This could be a spring-loaded head that reacts to excessive force, or intermittent operation, etc.

THE MAIN THING IS SAFETY

Batteries should not be disposed of with household waste. If they fail, return them to the manufacturer's service center, where they will be safely disposed of.

Good luck with the renovation!

All the best, writeto © 2009

Every year, electric toothbrushes are becoming more common, and more people are switching from using mechanical devices to electric, more advanced gadgets. This is explained not only by the fact that such devices cope with their task more efficiently and effectively, but also by the fact that today they have become quite cheap. Of course, you still need to pay more for an electric brush than for a manual one, but its properties fully pay for themselves. On the modern market, such a device is represented by a lot of brands and an even larger variety of models, which, in turn, are distinguished by a wide range of characteristics and technical differences. The choice can stop at the simplest products at a price of $10, as well as those that cost more than $100 or more.

Of course, given that today toothbrushes have become “smart” and electric, such devices require some care. And so today we want to look at information about how toothbrushes should be cared for and repaired.

Caring for Electric Toothbrushes

To begin with, we suggest considering information about how to care for such important hygienic devices. To ensure that your brush serves you for as long as possible, and the cleaning effect remains at the same quality level, we recommend that you familiarize yourself with the tips described below:

• Carry out systematic rinsing of the brush. Both before and after the cleaning procedure, it is necessary to rinse the brush under running water. This way you can remove various particles of debris from the bristles. You don’t have to worry about the safety of the device, since modern brushes are moisture resistant and are not exposed to water;
• After brushing your teeth, always check the charge level of your toothbrush so that the next time you brush your teeth you won’t get a “pleasant” surprise in the form of a dead battery;
• Always keep the device upright. It is recommended to dry the brush only in a vertical position, placed in an empty, dry glass;
• Change attachments at least once every few months. Just like mechanical toothbrushes, electric ones also require periodic replacement. Fortunately, this does not mean purchasing a new device, but only purchasing a spare brush head. By making such a replacement in a timely manner, you can count on the fact that the effect of brushing your teeth with an electric brush will not decrease, and the attachment itself will not be a breeding ground for germs (after all, when using attachments for more than 3 months, they begin to accumulate a lot of bacteria);
• When changing attachments, it is necessary to perform a cleaning procedure, which involves thorough rinsing under running water. Apply heat treatment(like boiling) is not recommended, it disrupts the structure of the bristle fibers.

Using a sterilizer

Another important aspect when caring for an electric brush is the use of devices such as a sterilizer (also called disinfectors). This is a small device in the form of a case or cup, which serves to perform a more thorough procedure for sterilizing a toothbrush. Thanks to the use of an ultraviolet sterilizer, you can be completely sure that the brush will be completely sterile and ready for use after each sterilization procedure.

Some toothbrushes are sold with such devices included, but this only applies to more expensive gadgets. If you want to purchase a disinfectant separately, this is a fairly rational solution, but you should be prepared for the fact that such a device can cost the same as a budget electric brush - from 10 to 20 dollars (and some models even higher).

How to charge an electric toothbrush

The next very important issue regarding the operation of the electric shield is the correct use of the device’s battery resources and extending its life. Many consumers who systematically use electric gadgets to brush their teeth mistakenly believe that the best solution is to charge the device daily, simply by keeping the brush on charge the entire time the gadget is not in use. Of course, such a hypothesis is doomed to failure, and such actions can only lead to rapid failure of the battery and the need to replace it. In fact, caring for your brush battery should be different, and below we will look at some practical advice from experts.

It is worth noting that some popular manufacturers of electric brushes today assure their consumers that recharging their devices is impossible. That is, if you leave the brush always installed on the charging base, there will be no problems with it, the charge will reach the maximum, and the device will automatically stop charging. However, this is not the most practical solution, so it is not recommended to use it.

In addition, it is important to note the following nuances:

• A full charge of the brush should be enough to use the device for regular cleaning for a week. If you begin to observe a decrease in the functionality of the battery, this means that it has gradually begun to exhaust its resources and will soon require replacement;
• To fully charge the brush, depending on the manufacturer and model, it can take from 12 to 16 hours.

Before charging the device for the first time, it is recommended to carefully study the instructions, which must contain information about correct charging. If we talk about the most popular devices manufactured by Philips or Braun Oral-B, then such brushes can be stored on the charging station all the time, however, if you keep the brush in the bathroom, it will simply be inconvenient to constantly keep it plugged into an outlet. Therefore, we recommend that the best option is to charge once a week, but systematically check the device’s charge level to avoid problems with premature battery discharge.

How to disassemble an electric toothbrush

Finally, we want to pay attention to the disassembly procedure for toothbrushes from different manufacturers. After all, replacing the battery is not the only operation that brush users may need to perform during their operation. Therefore, it is important to know how to properly disassemble this gadget.

The following instructions must be followed:

1. Check the device and make sure it is turned off.
2. Remove the nozzle.
3. Remove all brush elements that are attached without additional means, such as screws.
4. Check the loose parts and unscrew them if possible.
5. If we are talking about how to disassemble an electric toothbrush from Braun, Philips or similar brands, then the electrical base with the circuit board and brush controller is installed in the case without using any screws for fastening. Take pliers or tongs, and with their help, securely fixing the rotating element of the brush, pull it towards you. The base of the brush is installed in the body and secured with a rubber ring; with some effort, you can get it out.
6. The brush can be considered disassembled.

All other elements of the base can be disassembled as simply as possible and do not require separate instructions. You may need a small shaped screwdriver to remove the screws. After disassembling the brush, you can:

• Replace diodes;
• Replace the battery;
• Replace buttons and other damaged elements;
• Remove and replace the motor.

After performing the necessary operations with the electrical shield, its assembly is carried out in the reverse order.

What to do if the battery fails

If you have been using your electric brush for more than one year, you have probably noticed that its battery no longer lasts for long periods of time, as it did before. Battery wear is completely normal and can be dealt with. The ideal solution is to buy a new battery and install it in place of the used one.

Even though the battery is by default a non-removable part of the brush design, replacing it is not that difficult. For this purpose you can use with the following instructions:

1. Remove any removable structures, such as the brush head, from the brush.
2. Find the device components attached to the case with small screws and unscrew them.
3. Disassemble the device.
4. Reach the battery and remove it.
5. Remove from Ni-MH batteries an element that serves to connect it to the contacts in the battery compartment. This may require the use of a soldering iron. The dismantling procedure is extremely simple - touch the heated tip of the soldering iron to the element, wait until it becomes hot and frees itself from tin.
6. Take the battery you previously purchased as a replacement.
7. Similarly, using a soldering iron and tin, attach the Ni-MH cell to the new battery.
8. Return the battery to the compartment and reassemble the toothbrush.
9. Check the functionality of the device with a new battery.

This way you can replace the battery in an Oral-B Triumph toothbrush and many other models, as well as from manufacturers such as Philips. As for directly purchasing replacement batteries, today you can buy such elements on well-known sites, such as:

• Ebay;
• Aliexpress;
• GearBest.

Now that you know how to care for, charge and repair toothbrushes, you will be able to not only use this device correctly so that it serves you as long as possible, but also independently remove and replace its elements if they fail.