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An automotive electric water pump is an electric coolant pump driven by a 12v, 24v or 48v brushless DC motor, it is a centrifugal water pump that work with its impeller rotates at high speed and generates centrifugal force to pressurize and circulate liquids like water, coolant to cool car engine, turbocharger, intake air intercooling system, new energy vehicle drive system, power battery thermal management system etc, is a key component in automobile cooling system.
Automotive electric water pump mainly used for cooling vehicle engine, heating air circulation system, hydrogen fuel cell heat management system, as well as cooling system of vehicle, motorcycle, new energy vehicles, hybrid buses, caravan, race car, street car etc.
As a new type of auto water pump, car electric water pumps is emerged with the rapid development of automotive industry technology. Related supporting facilities and devices. Automotive electric pump is the core important function component of the new energy vehicle cooling system. Its performance and quality has a great impact on the performance of the car.
12v electric water pump automotive VP80F is a high quality made automotive electric water pump. People use it for new energy auto cooling water circulation,etc.
12v auto water pump VP80E is a small auto electric water pump. People use it in new energy car,bus,vehicle etc,driven by a brushless dc motor.
12v Engine Coolant Pump VP80C is a 12V mini car water pump build by a bldc motor. We usually use VP80C pump in car,bus engine cooling systems.
Automotive Coolant Pump VP80B is a car water pump used in circulating systems. Such as new energy car, bus auxiliary cooling cycle, intelligent toilet.
12v Electric Water Pump Motorcycle VP50N is a Electric coolant pump made by PPE. It’s used for car and motorcycle’s battery water cooling circulation.
Race Car Electric Water Pump VP62E is a electric coolant pump made by PPE. It can be server for race car, new energy car, race car cooling systems.
Electric Water Pump for Car VP90A is a automotive coolant pump. People mainly apply it in bus engine cooling systems, smart toilet, smart bathtub, etc.
Auto electric water pump for bus VP90C is popular in auto after-sale market. People widely use it in car and bus, smart toilet, bathtub, etc.
Electric Water Pump For Engine VP90B widely used in Car Circulating systems. Such as electric bus engine cooling. It driven by a dc brushless motor.
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Table of Contents
VOVYO Technology Co., Ltd is a automotive electric water pump manufacturer located in Dongguan city of China. We specialized in developing and manufacturing car electric water pumps, motorcycle electric water pump and other dc pumps. Most of our auto pumps are driven by a 12v , 24v or 48V bldc motor. Widely used in various vehicles, car, new energy bus, motorcycle, race car etc. Moreover, our automotive electric water pump has many function such as PWM/CAN/LIN control, idle protection, dry-running protection, etc.
VOVYO brand automotive electric water pumps not only well sold in China market, but also exported to overseas markets such as USA, India, UK, Germany, Australia, Canada, Japan, South Africa, South Korea, Brazil, France, Spain, Italy, as well as other markets.
Electric water pump is a kind of small electric water pump with an electronic control drive unit. Mainly composed by overcurrent unit, motor unit and electronic control unit three parts. Due to the electronic control unit included, which can control the water pump through the motor unit according to external signals. So people can adjust the working status of the pump at will, such as: control the pump to start start/stop, speed control, flow control, pressure control, and can also be set to prevent dry running protection, locked rotor protection, reverse connection protection and other protection functions. Electric water pump generally use PWM/CAN/LIN communication, it can meet various communication requirements.
Car water pump is the core component of the engine cooling system and is used to cool the automobile engine. People divide automotive water pumps into mechanical water pumps and electric water pumps according to the driving method. We further divide car electric water pump into brushless DC automobile water pump and brushed DC automobile water pump. According to the motor drive form of the water pump. People more commonly use the mechanical water pumps in traditional automobiles. While mainly use the latter in new energy vehicles and some high-end vehicles.
The car mechanical water pump is driven by the engine, and the cooling effect is proportional to the engine speed. Centrifugal water pumps are widely used in automobile engines. Its basic structure is composed of water pump casing, connecting plate or pulley, water pump shaft and bearing or shaft bearing, water pump impeller and water seal device and other parts, which are the main components of the automobile.
The motor control unit of car electric water pump uses current control to determine whether it needs to work according to changes in engine temperature. The mechanical water pump that relies on the engine cannot work, if a new energy vehicle is driven by a motor. However, the motor still needs the temperature control of the cooling system, so the new energy vehicle must use an car electric water pump.
Compared with mechanical water pump, electric water pump has many advantages such as compact structure, easy installation, strong functionality, flexible control, stable performance, low noise, low power consumption, high efficiency, and good reliability. Specifically:
Automotive electric water pump is mainly compose of rotor, stator, shaft,shaft sleeve, impeller, and pump body.
Automotive electric water pump is a kind of brushless dc pump. Which with advantages that mechanical pumps are incomparable.
The electric water pump car selection steps are as follows:
B. The form of the automobile electric water pump is basically a centrifugal water pump, its efficiency, reliability, cost, and technology are relatively ideal.
C. The design of the cooling system needs to consider reducing the water resistance of the system as much as possible, so that the working water head of the water pump does not need to be too large, otherwise it will affect the efficiency of the water pump operation. Too high water head will increase the volume of the pump or increase the number of stages of the pump. Such a design can be avoided by system optimization.
There are many types of automotive electric water pumps in the market. So, what are the principles for customer to purchase a car electric water pump for their application? Generally speaking, 5 principles as below need to be followed.
Automotive electric water pump usually work in a extreme working environment, which with high working temperature. This may lead to burn the pump even the car and cause huge economic losses.
For example : On November 21, 2011, BMW (China) Automobile Trading Co., Ltd. submitted a recall report to the AQSIQ. Due to the technical defects of the turbocharger car electric cooling water pump. The total number of cars involved was 3,198.
Therefore, to avoid unnecessary economic losses, customer should consider below special function. When select a Auto electric water pump.
Automotive Electric Water Pump is a core component of the water cooling system for car, bus, vehicles etc. It has its own features and strict application requirements. Otherwise, pump will be damaged or short its life span under wrong operation. Therefore, you should follow the following eight points notices when operate the pump:
There are two main failure modes of electric water pump, and its reasons lead to the failures are as below::
Failure mode 1: Water temperature is abnormally high, the performance of the electric water pump is reduced, and the performance degradation may occur due to two reasons:
Failure mode 2: The speed of the electric water pump is sometimes not available, it eventually drops to zero and stops working. The reasons that cause the water pump does not work are summarized as follows 5 points:
Automotive electric water pump is one of the important components of the engine cooling system. It’s function is to pressurize the coolant to ensure its circulation and accelerate the heat dissipation.
However, car electric water pump may malfunction during the operating period after a long-term operation. What reasons cause these faults and How to repair these faults? You can find the answer from the below table.
|1||Liquid leakage||Screws are not tightened.||Tighten the screws|
|The O-ring is not installed.||Install O-ring|
|There are impurities on the O-ring.||Clean the O-ring|
|2||Large current, little flow||There are impurities in the rotor.||Input water in outlet to clean the rotor|
|3||Not working, the current is unstable (large or small)||Rotor was sucked cause by foreign matter.||Removal the foreign bodies|
|4||Not rotating, no current||The power line is not connected||Connect is connected properly|
|5||Big Noise||There is air in the pump chamber that can not discharge.||The outlet will be placed upward, ensure the liquid without air|
|There are impurities in the pump chamber.||Remove the impurities out the pump chamber|
|No liquid in the pump chamber, pump dry runs.||Input the liquid|
|Less loaded gasket||Install gasket|
Compared with mechanical water pumps in internal combustion engine vehicles, automotive electric water pumps have significant technology advantages. As the efficiency of braking energy recovery and power generation increases, car electric water pump can effectively solve the power supply problems, the application of electric water pumps will become the mainstream trend.
In order to solve the problem of different temperature management requirements such as turbocharger cooling and intake air intercooling, thermal management systems based on electric water pumps have been applied, and the integrated pump-valve technical solution may be the future trend. The technology of automotive electric water pump used in new energy electric vehicles is relatively mature, and its application has become a popular trend.