Electric kettle is a kind of electrical products commonly used in modern kitchens. It mainly uses boiled water, coffee, milk, etc. Because it is an electrical product, consumers need to consider more factors in the purchase process. The first priority is its safety. Performance, as well as stable performance, environmental protection and other factors in its use, so consumers must carefully select when buying, then what should be paid attention to in the process of buying kitchen electric kettle?
1, pay attention to the model:
The electric kettle has a common electric kettle (it does not have a temperature control device), an automatic temperature control type electric kettle, an automatic electric kettle with a pneumatic water supply device (the water can be automatically cut off after boiling, or can be automatically insulated). If you like regular tea, coffee, cocoa, milk and other beverages, the family population is small, and the amount of boiling water is not much. It is best to buy a single-layer or double-layer ordinary electric kettle or an automatic temperature-controlled electric kettle; if the population is large, More water needs to be used, you can choose automatic or fully automatic electric kettle with pneumatic water supply. Non-automatic ordinary electric kettle, or single-layer, double-cylinder electric kettle without electric temperature control device, electric porcelain pot, etc., simple structure, low price, easy to repair, but inconvenient to use, manually unplug the power after boiling water Plug, cut off the power; automatic temperature-controlled electric kettle, can be fully automatic with a pressure water supply device, the price is relatively high, maintenance is difficult, but the water can automatically cut off the power after boiling, or can automatically keep warm, no manual operation and Careful, easy to use, safe and reliable.
2, pay attention to electrical performance:
The electric kettle is an electric appliance with water. When purchasing, pay special attention to the electrical performance of the appliance to ensure that there is no leakage and ensure that it is safe during use.
3, pay attention to the power lead connector:
The connection of the power lead connector to the body of the kettle should be reliable, suitable for tightness and flexible for assembly and disassembly.
4, pay attention to the interface between the heater and the body:
The interface between the heater and the body should be securely mounted, sealed, and free of water leakage. Gently push the heater with your hand to check that the assembly is secure and there should be no looseness.
5, pay attention to temperature control devices:
If you choose an electric kettle with an automatic temperature control device or a heat preservation device, you should pay attention to whether the temperature control is flexible and reliable.
6, pay attention to water supply switch:
To purchase an automatic electric kettle with a pneumatic water supply device, you should check whether the lock switch of the boiling water supply button is flexible, the pressure of the boiling water supply button should not be too large, and the outer cover, inner pot, inner tank, etc. should be flexible and convenient, and the sealing performance is good. .
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Tags: buy kitchen electric kettle tips
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High Speed Door Motor And Control Box
Our company have German SEW Motor, Japan Mitsubishi Controller. Our own brand Hofic servo motor and controller. Chinese famous brand SEJ motor and Holip controller.
About our German SEW Motor and Japan Mitsubishi Controller: It is easy to find the ideal energy-efficient motor for your application at SEW. The series has a suitable design in its range for the globally applicable efficiency classes. Select the power and frequency within this motor design and you have already taken care of the most important selection criteria.All other motor options are of course available independently of the efficiency class. A comprehensive braking concept and cost-optimised built-in encoders ultimately complement the motor range. Comprehensive braking concept and combinations i.e. up to three different brake sizes per motor size featured in the range: Cost-optimised built-in encoders integrated into the motor. Motors for efficiency classes IE1 to IE4.Compact design saves space and costs. Future-proof, also as regards environmental protection (standards). Reduction in operating costs when using energy-efficient motors; our energy-efficient motors conform to the efficiency classes.
About servo High Speed Door Servo Control System: Our rolling gate servo control system is suitable for high speed and high usage soft and hard rolling gate. The whole system is in a small and light package, it has high torque and high operating speed, lower noise, high reliability, smooth and soft operating curves, it`s suitable for high speed and usage environment. The rolling curtain can be controlled by pull switch, push button, Bluetooth, ground radar, ground magnetic sensors. Operating Speed: 1M/s; Operating Width: ＜16 ㎡; Daily operating time: ＞2000 time; Rated voltage: 220v; Rated Output: 0.75 KW/1.5KW.
The system can operated via: 1) control box; 2) inching electronic control; 3) continuous automatic operation; 4) emergency stop; 5) single side operation box; 6) time delay; 7) ground radar and/or magnetic sensors. Please refer to Wiring Terminal for eternal connections.
System has fuse/safety wire shutdown switch for three-phase power protection, fuse/safety wire for operating circuit protection, and temperature sensing relay for motor protection.
Stroke Controller utilizes absolute value encoder. Connect the absolute value encoder and reducer via encoder`s axle, and fix the wings on to the reducer, than insert the aviation plug into plug receptacle.
The mounting screw for the control box must inspect regularly to prevent screw been getting loose and falling off. Check the internal and external wirings. Check and change the oil for the redactor on regular basis.
Precision: The system use Full closed-loop servo control and Double Encoder design. This is to ensure long operating life and to prevent overshooting during operating.
Stability: The system utilizes integrated design concept, in order to simplify internal wiring and prevent any function caused by wiring and terminal connections.
High Speed: Motor max speed is 2500 rpm; door max operating speed is 2 m/s.
Smooth: The torque servo system can adjust torque to the load automatically, and its speed curve mode step less speed regulating to ensure a smooth operation.
About SEJ motor and Holip controller: Three-phase asynchronous motor with magnetic brake has broad uses, It is suitable for various mechanical main drive and auxiliary drive, and it is also used for various required rapid stopping and correct positioning. The braking time within 0.2 second. Electric motor is added the DZM series direct current electromagnetic arrester by the basic series(Y series) electric motor.The protection class of electric motor part is IP44,the arrester part is IP23.if be applicable to bad environment can also make the arrester part into IP44,but customer have to put forward a special request while ordering,the manufactory can design a manufacturing exclusively. Its structure diagram is picture 1 and 2,picture 1 is the structure with hand release.Picture 2 is the structure without the hand release.Its operating principle BE, after being to make the retardation coil(6)to connect direct current power supply,because of the function of electromagnetic force,electromagnet(7)attract gag bit(5),and compress spring(24),make arrester disc(2)away from the friction surface of the gag bit(5)and shield(26)(the electrical motor can immediately operate normally).When the power supply cuts off after,the electromagnet(7)loses electromagnet force,the spring(24)releases the gag bit(5)and compress tightly to arrester disc(2),the arrester function,stop(the motor shaft)quickly,make electric motor shop turning to move,for the second time connect power supply will repeat above-mentioned action.
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Shenzhen Hongfa Automatic Door Co., Ltd. , https://www.hffastdoor.com