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High-power Output: Vvkb’s PTC coolant heaters offer a broad power range, from 3 kW to 15 kW, providing flexibility to cater to a variety of vehicle requirements.

High Thermal Efficiency: With a thermal efficiency of up to 99%, Vvkb PTC coolant heaters ensure optimal performance and energy conservation.

Robust Build: Made with corrosion-resistant materials, Vvkb PTC coolant heaters are designed for longevity and robustness, ensuring they can withstand the test of time.

Compact Design: Vvkb PTC coolant heaters are compact in size, enabling easy integration into any vehicle system without significant modifications.

Advanced Temperature Control: The Vvkb PTC coolant heaters are equipped with advanced temperature control technology. This ensures the optimal working temperature of batteries, enhancing their performance and lifespan. This temperature regulation is crucial for maintaining battery health and extending its life.

Provide ODM service: Vvkb team has 27 years of experience in heater production, we provide heater design and production service for more than 15 companies. Our team of engineers is fully capable of providing design services for specialized heaters for your company.

Superior After-sales Support: Vvkb offers exceptional after-sales service, providing prompt and efficient responses to any issues or concerns. This strong support system reassures customers of Vvkb’s commitment to their satisfaction and the reliable performance of their products.

Sustainability Focus: Vvkb heaters are designed with a focus on energy efficiency and sustainability. They align with the broader goals of sustainability in the electric vehicle industry, contributing to reduced environmental impact.

Vvkb EV PTC Coolant heater-structure design drawing
Model Titan-E3 Titan-E4 Titan-E4 Pro Titan-E5 Titan-E10 Titan-E15
Specification 80V 3KW 350V 5KW 600V 5KW 600V 7KW 600V 10KW 600V 15KW
Output Power (Coolant=0°C , 10L/min) 3000W±10% (Coolant=0°C , 10L/min) 5000W±10% (Coolant=0°C , 10L/min) 5000W±10% (Coolant=0°C , 10L/min) 7000W±10% (Coolant=0°C , 10L/min) 10000W±10% (Coolant=0°C , 10L/min) 15000W±10%
Low Voltage Voltage range: 9V~16V, Un=13.2V, Imax=70mA, ≤1mA when sleeping Voltage range: 9V~16V, Un=13.2V, Imax=70mA, ≤1mA when sleeping Voltage range: 9V~36V, Un=12/24V, Imax=150mA, ≤1mA when sleeping Voltage range: 9V~36V, Un=12/24V, Imax=150mA, ≤1mA when sleeping Voltage range: 9V~36V, Un=12/24V, Imax=80mA, ≤1mA when sleeping Voltage range: 9V~36V, Un=12/24V, Imax=80mA, ≤1mA when sleeping
High Voltage Voltage range: 60V~100V Un=80V, Imax=37.5A Voltage range: 250V~450V Un=300V, Imax=30A Voltage range: 450V~750V Un=600V, Imax=25A Voltage range: 450V~750V Un=600V, Imax=25A Voltage range: 450V~750V Un=600V, Imax=33A Voltage range: 450V~750V Un=600V, Imax=50A
Pressure Resistance ≥1900Vac/2800Vdc ≥1900Vac/2800Vdc ≥2100Vac/3000Vdc ≥2100Vac/3000Vdc ≥2500Vac/3500Vdc ≥2500Vac/3500Vdc
Insulation Resistance ≥50MΩ ≥50MΩ ≥100MΩ ≥100MΩ ≥100MΩ ≥100MΩ
Protection Class IP67 IP67 IP67 IP67 IP67 IP68
Application Scenarios Forklifts, Construction machinery, Backup power New Energy Vehicle Air Conditioning 60~80KW fuel cell system 80~120KW fuel cell system 120~160KW fuel cell system 160~200KW fuel cell system

According to the requirements of the system architecture, we choose two automotive grade MCU chips as high and low voltage isolation for control, and the hardware architecture is designed as follows.

Vvkb coolant heater hardware frame structure diagram

Vvkb PTC coolant heater hardware frame structure diagram

Project Parameter
Low voltage input voltage 9V~36V
Low voltage input current < 150mA
Dormant current < 1mA
High and low voltage isolation ≥1500V
High voltage input voltage 450V~750V
High voltage input current < 35A
CAN Communication 250Kbps
LIN Communication 19.2Kbps
Operating temperature -40°C~120°C/-40℉~248℉

Next, let’s learn more about the functions and roles of PTC coolant heaters.

Navigating the Future of Electric Vehicles with PTC Coolant Heaters: Making Vvkb Your Preferred Choice

As we delve into the transformative world of electric vehicles (EVs), we must pay particular attention to the under-the-hood elements that largely define these vehicles’ performance and efficiency. The focus of our exploration today will be the thermal management systems within EVs, specifically, the heaters. Moreover, our focus narrows to a specific type of heater—the Positive Temperature Coefficient (PTC) coolant heater—and how the Vvkb brand stands out in this domain.

Vvkb EV heater 3D diagram

Vvkb EV heater 3D diagram

The Need for Heaters in EVs

Explanation of the specific requirements of heaters in EVs, compared to traditional vehicles.

Electric vehicles function differently than their internal combustion counterparts, and this is reflected in their heating requirements. While traditional vehicles generate excess heat that can be harnessed for cabin warmth, EVs require a dedicated heating system. An efficient, high-performance heater thus contributes significantly to vehicle safety, battery longevity, and customer satisfaction.

Among the variety of heaters available in the market, such as resistive heaters, heat pumps, and fuel-fired heaters, the spotlight today is on PTC coolant heaters. But why? To answer this question, let’s explore the working principle of these heaters.

At the heart of a PTC coolant heater is a PTC element—a component typically made of a ceramic material with an interesting attribute: its resistance increases with rising temperature. This quality ensures a decrease in electrical current once a set temperature is reached, safeguarding the system against overheating—a crucial factor for safety and durability.

Titan-E10 Titan-E15 external dimensional drawing

The principal function of a PTC coolant heater is to heat the coolant, generally a mix of water and antifreeze, which then circulates through the vehicle system. The heated coolant plays two pivotal roles in an electric vehicle.

First, it can be transferred to the battery, enabling it to reach the optimal charging temperature before a charging cycle begins. This temperature regulation is critical in prolonging the battery’s lifespan and optimizing its performance.

Second, the temperature of the coolant can be transferred to the heater core, which subsequently heats the cabin air, providing a warm and comfortable environment for the passengers.

Vvkb EV PTC Coolant heater Titan-series applications

Understanding this, it becomes clear why a PTC coolant heater is an excellent choice for your EV production:

  • Safety: The PTC element’s self-regulating characteristic eliminates overheating risk, removing the need for an external control system and reducing potential thermal incidents.
  • Efficiency: PTC heaters are quick-reacting and offer high thermal efficiency, guaranteeing fast and efficient heating.
  • Simplicity and Compatibility: The uncomplicated design of PTC heaters allows for seamless integration into an EV’s existing cooling system.
Titan-E10 Pressure drop curve

Titan-E10 Pressure drop curve

Introduction to Vvkb: Introduction to the Vvkb brand and its reputation in the heating technology sector.

Having outlined the merits of PTC coolant heaters, the natural progression leads us to discuss the leaders in this technology—Vvkb. Renowned for innovation, reliability, and superior quality, Vvkb’s PTC coolant heaters demonstrate technological advancement, robust performance, and top-tier safety features.

Here are some compelling reasons why Vvkb is a sound choice for your PTC coolant heaters:

  • High-power Output: Vvkb’s heaters come in various power ranges, from 3 kW to 15 kW, offering flexibility to cater to different vehicle requirements.
  • High Thermal Efficiency: With a thermal efficiency of up to 99%, these heaters deliver remarkable performance.
  • Robust Build: Constructed with corrosion-resistant materials, Vvkb heaters guarantee longevity and robustness.
  • Compact Design: The heaters’ compact size ensures easy integration into any vehicle system without significant modifications.
PTC Coolant heater technology

Vvkb PTC Coolant heater technology

Navigating the dynamic landscape of electric vehicles requires making informed decisions about every component that goes into these machines.

Choosing Vvkb as your supplier of PTC coolant heaters is a step in that direction—a step towards safety, efficiency, and reliability in the electric vehicle manufacturing journey.

As the electric vehicle industry rapidly evolves, thermal management systems, particularly heaters, are gaining attention and importance.

The benefits that PTC coolant heaters provide, in terms of safety, energy efficiency, and compatibility, make them an optimal choice for any EV manufacturer aiming for the top.

It is not just about enhancing the vehicle’s performance, but also about ensuring an enhanced, comfortable, and reliable experience for the end-users.

In the crowded arena of heater technology manufacturers, Vvkb stands out with its top-tier innovation, superior quality, and unwavering commitment to reliability.

Vvkb has a well-deserved reputation for its continuous technological evolution, remaining at the forefront of PTC coolant heaters’ manufacturing.

Titan-E5 Voltage vs Power

Titan-E5 Voltage vs Power

There are many reasons why partnering with Vvkb is a wise choice

  • Advanced Temperature Control: Vvkb PTC coolant heaters feature advanced temperature control, ensuring the optimal working temperature of batteries, thus enhancing their performance and lifespan.
  • Exceptional Quality: Vvkb prides itself on producing heaters that not only meet but exceed industry standards. With rigorous testing procedures in place, you can be confident in the superior quality of Vvkb heaters.
  • Responsive Support: Vvkb doesn’t stop at just providing you with heaters—it offers an excellent after-sales service. Any issues or concerns are promptly addressed by a dedicated team, assuring peace of mind.
  • Sustainability Focus: Vvkb is conscious of the environmental impact of its products. The heaters are designed to be energy-efficient and long-lasting, aligning with the broader goals of sustainability in the electric vehicle industry.
Vvkb Coolant Heater Titan-E10 Voltage Power Curve

Vvkb Coolant Heater Titan-E10 Voltage Power Curve

In conclusion, the decision of what type of heater to utilize in your electric vehicles is a critical one. Your choice will not only affect the performance, safety, and efficiency of your vehicles but will also contribute to the experience you offer your customers. By opting for PTC coolant heaters, you choose a path of self-regulation, safety, and high efficiency.

Choosing Vvkb as your partner in this journey, you’re assured of reliable, high-quality, and sustainable products that stand the test of time, meeting the demands of a rapidly evolving EV market. With Vvkb, you’re taking a significant step towards shaping the future of the electric vehicle industry—an industry that promises safety, efficiency, and a greener future.

Therefore, take a moment, weigh your options, and make the right choice. As you pioneer your way through the electric vehicle manufacturing journey, remember that each decision you make is not just about immediate gains—it’s about building a legacy in the rapidly progressing world of electric mobility.

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