1 Doorbells are generally divided into these categories: passive wireless doorbell, active wireless doorbell (wireless invisible doorbell, wireless visual doorbell), wired doorbell and cat-eye doorbell.
1, passive wireless doorbell (wireless doorbell without battery)
Battery-free wireless doorbell means that the transmitter adopts energy capture technology, which can collect the energy when the user presses the doorbell button and convert it into electric energy to drive the doorbell sound generator to ring. Its indoor unit, that is, the doorbell sounder, needs to be connected to the power supply. The control signal generated by the doorbell button is emitted by the wireless signal transmitter, and the wireless signal receiver of the indoor unit receives the wireless signal and rings.
Convenience: five stars
Battery-free wireless doorbell uses energy capture technology to collect the energy of finger pressing switch and transmit wireless signals. No wiring, no need to buy and replace batteries, and it is very convenient to install and use.
Decoration: four stars
The design style of battery-free wireless doorbell is simple and generous, and the sounder can be placed reasonably in combination with the position of plug and socket, which can realize the perfect integration with modern home.
Cost performance: five stars
Battery-free wireless doorbell can transmit up to 280 meters in the open air, and can penetrate 2-3 walls and anti-theft steel doors, with a service life of 20 years. Outstanding performance. Battery-free wireless doorbell is expensive, but because it doesn't use batteries, it saves time and money to buy and replace batteries, and it also has incomparable environmental protection characteristics.
Suitable for people: people with environmental awareness/people who pursue simplicity and convenience/the elderly/special groups.
2. Active wireless doorbell (ordinary wireless doorbell with battery)
The transmitter of ordinary wireless doorbell is powered by 12V battery, and the receiver is powered by battery or commercial power. The doorbell button emits a wireless signal, and the wireless signal receiver of the indoor unit receives the wireless signal and rings. From the content of communication, it can be divided into wireless non-visual doorbell and wireless visual doorbell.
Convenience: three stars
Ordinary wireless doorbell needs to be replaced regularly, and the 12V battery used for wireless doorbell switch is difficult to buy. It's troublesome to buy and change batteries, and the doorbell has to be removed.
Decoration: four stars
Ordinary wireless doorbell styles are varied and uneven in design, but several popular ordinary wireless doorbell styles are still good, simple and generous, in line with modern home style.
Cost performance: four stars
Ordinary wireless prices vary, and the performance of ordinary wireless doorbell above 50 yuan is still good, with a transmission distance of 200-300m, which can penetrate 2-3 floors of walls and anti-theft steel doors, and its service life is 1-5 years.
Suitable for the crowd: the general wireless doorbell has a large audience, and there is almost no specific group distinction.
First, the wireless non-visual doorbell
Wireless non-visual doorbell only transmits voice signals. When the visitor rings the doorbell, the host can only hear the sound, but can't see the image of the visitor. When the electric lock is connected, the indoor remote control electric lock can open the door. Wireless intercom access control system integrates wireless intercom and remote door opening, which overcomes the defect that traditional wireless doorbell and access control system can not talk and open the door remotely. It avoids the trouble of wired system wiring, and is an upgraded product of traditional doorbell and access control system.
wireless video door phone
The wireless visual doorbell can not only make voice calls, but also see the images of visitors. Wireless visual doorbell function:
A. Visual intercom function: visitors ring the doorbell when they call, and the voice is clear when they talk freely, as if they are in front of them;
B. Outdoor monitoring function: If there is a strange sound at the door, you can see it at a glance with a light press, which is safe and secure;
C. Remote unlocking function: the family comes home too late; It's too cold outside; I don't want to get up in bed; Don't want to get up in front of the computer; With a light press, people can see it and unlock it automatically;
D. photo archiving function: the owner is not at home and there are guests visiting. As long as someone rings the doorbell gently, it will automatically take pictures and save them, and the owner can inquire freely when he comes back. Don't miss any important meeting;
E. Anti-disassembly alarm function: If the door crane is damaged, both indoor and outdoor machines will give an alarm prompt.
3. Ordinary wired doorbell
Ordinary wired doorbell can realize the call, but can't see the image. Equipped with tinkling sound, other sounds can be customized; Support connection lines; The installation is simple, and users can install it by themselves; Power saving design, no power consumption when not working; DC power supply: 21.5AA batteries.
Convenience: two stars
The biggest disadvantage of wired doorbell is wired and troublesome wiring. For the sake of beauty, the wires are usually buried in the wall during installation, which is not only troublesome to install, but also troublesome to maintain and replace once the wires are aging.
Decoration: three stars
With the wired doorbell gradually fading out of the market in recent years, the design of wired doorbell is relatively old. However, by adjusting the position of the wired doorbell sounder, a harmonious and beautiful decorative effect can still be achieved.
Cost performance: four stars
The wired doorbell has the characteristics of "wired", which makes it not false, and its service life is as long as 10 years. The wiring length and transmission distance can be adjusted according to the needs of users, and its performance is excellent. Ordinary wired doorbell is expensive, but considering the performance, ordinary wired doorbell is cost-effective.
Suitable for people: the elderly/special groups/hardworking people who are not afraid of wiring trouble/people who are not particularly interested in appearance and fashionable fresh products.
4, cat's eye doorbell
Cat's eye doorbell is usually pre-installed on the security door, which is convenient without the user's own installation. Similar to ordinary doorbell, the battery needs to be replaced regularly, and it is relatively troublesome to change the battery for cat-eye doorbell. Install cat-eye doorbell on steel door to prevent theft. Although it is not decorative, it is in harmony with the security door and is incomparable to other doorbells.
Convenience: three stars
Cat's eye doorbell is usually pre-installed on the security door, which is convenient without the user's own installation. Similar to ordinary doorbell, the battery needs to be replaced regularly, and it is relatively troublesome to change the battery for cat-eye doorbell.
Decoration: five stars
Install cat-eye doorbell on steel door to prevent theft. Although it is not decorative, it is in harmony with the security door and is incomparable to other doorbells.
Cost performance: two stars
Anyone who has used it knows that the doorbell of the cat's eye is very small, far away from hearing, and it is easy to break. It usually takes two or three years. The price of cat-eye doorbell is extremely low, which is favored by the majority of security door manufacturers.
Suitable for people: people who use security doors at home.
Comparison Project Active Wireless Doorbell Passive Wireless Doorbell Electronic Cat's Eye Doorbell Wired Doorbell Power Supply Mode Battery Self-generating Battery 220V Installation Difficult Simple Medium Wiring Complex Maintenance Frequency Battery 1 Year 1 Replacement Maintenance Free Battery 1 Replacement Maintenance Less Line Faults Trouble Short Service Life Up to 20 Years Short Transmission Distance, Short Medium Low High 2 Doorbell Selection 1 Wired Doorbells are generally cheaper to
The wireless DC doorbell can be placed in any corner of the house. The new doorbell can also be used as an ornament, but the battery needs to be replaced frequently and the use cost is relatively high.
3. The wireless AC doorbell must be plugged into the AC power socket, and the use position is relatively fixed, but the appropriate socket position can also play a decorative role.
4. Whether it is an ordinary single-tone music doorbell or a multi-melody music adjustable doorbell, you must choose a doorbell with good sound quality.
5. Trial launch distance: The launch distance of wireless doorbell will directly affect the product receiving effect.
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The transmitter and receiver have been paired before leaving the factory, and the receiver can be used normally when plugged into a household socket. Press the transmitter, the indicator light of the receiver flashes and the music plays.
2. Install wireless visual doorbell
It is best to install the portal crane in a place where there is no wind and rain, so as to minimize the obstacles between the portal crane and the indoor machine. If there is an obstacle, the signal will weaken. The indoor unit should be placed where the indoor user wants to put it, and adjusted according to the signal strength of the indoor unit. The recommended installation height is 1.3- 1.8 meters ... If the connecting wire needs to go through the wall, you can wrap the plug with adhesive tape first.
(1) Open the screws at the bottom of the door opener, take out the hanging shell, and fix the hanging shell with rubber plugs and screws.
(2) Select power-off unlocking or power-on unlocking, connect the unlocking wire and unlock the power supply. The user must select the unlocking power source according to the power of the electric lock and set the unlocking time according to the parameters of the electric lock.
3. Installation and wiring of wired visual doorbell
Generally, the wiring of doorbell is four-core wiring. If you need a host to drag multiple indoor units, you need eight-core wire connection between indoor units. As for multiple outdoor units dragging multiple indoor units, some manufacturers need a power adapter for doorbell, while others don't. We can only know after consulting the manufacturer in detail. The following is a detailed wiring diagram of the wired visual doorbell:
(1) Full wiring diagram of cable video door telephone:
(2) Installation wiring diagram of wired visual door telephone machine:
(3) Wiring diagram of indoor unit installation of wired video door telephone:
4, electronic visual cat's eye installation
Step 1: As shown in the figure, installing screws for the outdoor unit depends on the thickness of the door.
Step 2: Insert the peephole lens from the outside through the door and the U-clip.
Step 3:
A. Tighten the screws according to the thickness of the door.
B, make sure that the 4-pin line has passed through the door and the tripod is fixed.
Step 4:
A connect the plug to the indoor unit on the back of the socket.
B, then install the indoor unit on a tripod as a picture display.