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EV Thick Film Heater
This is the high-pressure thick-film water heater (HVCH) specifically designed for new energy electric vehicles. It is a new generation of core components for vehicle thermal management, replacing the traditional PTC heater.
Description
If you're looking for the ev thick film heater, welcome to wholesale the product from our factory. As one of the leading manufacturers and suppliers in China, we will offer you the best service and fast delivery. Now, check the quotation with our seller.
EV Thick Film Heater
Products Description
Full Name: High-Pressure Thick Film Coolant Heater
Specifically designed for new energy vehicles, eliminating the waste heat from a gasoline engine and providing an active heat source for the entire vehicle.
Utilizing thick film printed circuit heating technology, unlike older ceramic PTC systems, it represents a current mainstream high-end heating solution.
Heating is achieved through the circulation of coolant (antifreeze) via a water circuit.
| Product Model | NFHVCH-Q7 |
| Low Voltage Range | 9-32 VDC |
| High Voltage Range | 250-450 V, Rated 350 V |
| Insulation Withstand Voltage | No insulation damage or flashover after 60 seconds at 3000 VAC, 50 Hz.5. Insulation Resistance: Greater than 500 MQ after 60 seconds at 1000 VDC |
| Power | 7 kW +10% at 350 V, flow rate 20 L/min |
| Operating Temperature | -40°C to +90°C |
| Storage Temperature | 40°C to +125°C |
| Coolant Temperature | -40°C to +90°C |
| Protection Rating | IP67 |
| Coolant Side Seal | <3ml/min @ 2.5bar |
| Controller Side Seal | <10ml/min @ 0.3bar |
| High Voltage Test | Test for 60s with the voltage below 60VDC |
| Flame Retardancy Test | The buming speed of the plastic material in the heater assembly should not exceed 7omm/min |
Products Design
1. Overall Structural Design: Utilizing an integrated die-cast aluminum alloy shell, the structure is compact, lightweight, and automotive-grade high-strength and shock-resistant. The entire unit achieves IP67/IP6K9K high protection levels, providing dustproof, waterproof, and harsh operating conditions. The modular interface layout clearly separates water, high-voltage, and low-voltage ports, facilitating simple and quick vehicle installation and adaptation.
2. Core Thick-Film Heating Design: Equipped with a new generation of thick-film printed heating core, compared to traditional PTC heating, it offers: 3-second rapid heating, faster thermal response; thermal efficiency of up to 96%+, lower energy consumption; minimal power attenuation, and significantly extended service life.
3. Intelligent Safety Electronic Control: Supports precise stepless power adjustment via CAN bus and hard-wired wiring, matching the dynamic thermal management needs of the vehicle. Built-in multiple intelligent protections include overheating, dry burning, overvoltage and overcurrent monitoring, and high-voltage insulation monitoring, providing fully redundant safety protection that meets global automotive high-voltage safety standards.
Products application
Products advantage
High Efficiency and Energy Saving: Thick-film heating technology boasts high thermal efficiency, rapid heating, and minimal heat loss, resulting in greater energy savings compared to traditional PTC heating and effectively improving the winter range of new energy vehicles.
Stable and Durable Performance: Uniform heating, low power attenuation, resistance to high and low temperature shocks, vibration resistance, and aging resistance; low failure rate and longer service life over long-term operation.
Comprehensive Safety Protection: Complete isolation between water and electrical circuits, equipped with multiple protections including over-temperature, dry-burning, high-voltage insulation, and overcurrent protection; IP67 high protection rating ensures safer vehicle use.
Strong Intelligent Adaptability: Supports stepless power adjustment via CAN communication, adaptable to 400V/800V multi-voltage platforms, compact structure for easy installation, suitable for various new energy vehicle models in passenger and commercial vehicles.
Optimized Vehicle Thermal Management: Rapidly heats the cabin and preheats the battery to a constant temperature, balancing driving comfort and battery protection, improving charging efficiency and overall vehicle performance.
Products certification
Products FAQ
Q1: What is the difference between a thick-film heater and a traditional PTC heater?
A: Utilizing thick-film core heating technology, it heats up faster, has higher thermal efficiency, lower power attenuation, longer lifespan, is more compact, provides more stable heating at low temperatures, and is better suited for the comprehensive thermal management of new energy vehicles.
Q2: Which vehicle models and voltage platforms is the product suitable for?
A: Suitable for pure electric, hybrid, and commercial new energy vehicles; compatible with 400V/800V high-voltage platforms; can be used for cabin heating, battery preheating, and insulation of electronic control systems.
Q3: How is its safety performance?
A: Complete isolation between water and electrical circuits; equipped with multiple protections including dry burning, over-temperature, over-voltage, and insulation monitoring; IP67 protection for the entire unit, meeting vehicle high-voltage safety regulations.
Q4: Is installation and control convenient?
A: Integrated compact structure, reasonable interface layout, simple installation; supports CAN bus + hardwired dual control, stepless power adjustment, suitable for vehicle intelligent control.
Q5: Can it operate stably in low-temperature environments?
A: It can withstand extremely cold conditions, starting and operating normally in environments as low as -40℃, with no reduction in heating capacity, effectively improving winter range and battery low-temperature performance.
Q6: What about the product's lifespan and reliability?
A: Made with automotive-grade materials and processes, it has undergone rigorous testing including vibration, thermal shock, and salt spray, making it resistant to aging and corrosion, and exhibiting a low failure rate over long-term operation.
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