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Rubber Lithium battery safety valve Wholesale

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Wholesale Lithium battery safety valve Manufacturers

Zhejiang Hongda Special Rubber Products Co., Ltd.
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Company profile

Started in China, Marketing in the World
29 years of research spirit in the industry.

Established in 1993, Zhejiang Hongda Special Rubber Products Co., Ltd. is a professional China Lithium battery safety valve Manufacturers and Wholesale Lithium battery safety valve Factory. The company integrates scientific research, production and trade, pays attention to scientific and technological innovation, and strives to develop industrial battery safety valve products with high technology content and high quality performance. We has more than 50 industrial battery safety valves, safety caps, microporous materials, explosion-proof discs, etc. patented, among them, microporous materials were identified as national key new products. The company has drafted and formulated industry standards for lead-acid battery safety valves and national standards for rubber seals for power lithium batteries, and has passed a series of system certifications such as IS09001, IS014001, IS045001 and "Made in Zhejiang".

  • 29 +

    Established in 1993

  • 15 0,000+

    Average daily output

  • 200 +

    Employees

Honor

Welcome to visit Hongda

Our company has won the "Zhejiang High-tech Enterprise", "Excellent Demonstration Enterprise of Emphasizing Quality and Integrity", "Zhejiang Science and Technology Small and Medium-sized Enterprise" and many other honors..

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  • honor
    High-tech Enterprise
  • honor
    National Key New Product Certificate 2008
  • honor
    2008 The Most Growth Potential Small and Medium Enterprises In Zhejiang Province
  • honor
    2013 Innovative Demonstration Small and Medium Enterprises In Zhejiang Province
  • honor
    Advanced Enterprise for Innovation and Development of Small, Medium and Micro Enterprises in Zhejiang Province
  • honor
    Small and Medium-sized Enterprise with Specialization, Refinement, Characterization, Novelization In Zhoushan City
  • honor
    Provincial SME Technology Center
  • honor
    Top 10 Growing Small and Medium Enterprises
  • honor
    Provincial High-tech Enterprise Research and Development Center
  • honor
    Zhejiang Enterprise Standard "Leader" Certificate
News

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Industry Knowledge Expansion

Basic principles of lithium battery safety valve

The lithium battery safety valve is a key safety device, and its primary principle involves monitoring and controlling pressure adjustments within the battery. Lithium batteries are composed of advantageous and negative electrodes, electrolytes and separators. The internal electrochemical reaction will produce gases throughout ordinary operation. Under extraordinary situations (together with overcharge, overdischarge, overtemperature, and many others.), the accumulation of those gases may also reason the battery to Internal pressure builds up, developing a safety risk.
Battery internal pressure monitoring
One of the center standards of lithium battery safety valves is to display strain modifications within the battery. Usually, the protection valve is ready with a pressure sensor inner, which could sense adjustments in gas pressure within the battery. Under regular working situations, this sensor will stay within a reference variety, but underneath strange conditions, such as excessive charging voltage, overheating of the battery, etc., the gas generated in the battery will motive the strain to rise.
Threshold setting and triggering mechanism
There is a strain threshold set within the safety valve. When the internal stress of the battery exceeds this threshold, the protection valve will spark off. The setting of this threshold typically takes into consideration the layout parameters of the battery and the working environment to ensure that it will not start accidentally underneath everyday operating conditions and that it could reply fast in strange conditions.
The triggering mechanism consists of a manage system for the valve, typically a spring device. When the stress sensor detects that the pressure exceeds a threshold, the control device releases or adjusts the spring pressure, causing the valve to open. This technique is computerized, allowing the safety valve to respond to bizarre conditions within the battery in a completely quick time.
Overpressure gas release and discharge
Once the valve is opened, the safety valve releases the extra pressure gas inside the battery. This gasoline is usually produced via chemical reactions in the battery, including hydrogen within the gasoline. By freeing those gases, the safety valve efficiently reduces the stress inside the battery and stops possible battery enlargement, leakage, explosion and different risky conditions.
Valve ultimate and resetting
When the internal strain of the battery drops to a safe variety, the protection valve manage gadget will close the valve again to hold the normal operation of the battery machine. This closing and resetting system additionally calls for a high degree of accuracy to make sure that the safety valve can reply quickly when needed, and at the equal time, reset speedy after the hassle is solved to put together for the next viable extraordinary scenario.

The structure and composition of lithium battery safety valve

The lithium battery protection valve is a key protection tool within the lithium battery machine. Its shape and composition are cautiously designed to make sure fast and dependable response underneath atypical conditions, release overpressure gas, and keep the secure operation of the battery machine.
Valve body
The valve frame of the protection valve is the inspiration of the entire structure and is normally made of high-electricity, corrosion-resistant materials to address the complicated working surroundings of the battery gadget. Common substances consist of stainless-steel alloys, titanium alloys, etc. These substances have exact mechanical energy and corrosion resistance, ensuring that the safety valve can paintings stably over a protracted time frame.
Spring tool
The spring is a key element of the protection valve and is used to preserve the valve closed. Under everyday operating situations, the spring exerts pressure to keep the valve sealed. However, while the inner battery strain exceeds a fixed threshold, the spring is compressed, inflicting the valve to open. The design of the spring desires to remember the layout parameters of the battery to ensure dependable operation beneath numerous working conditions.
Valve
The valve is the key execution thing of the protection valve and is chargeable for controlling the float of gasoline. Typically a movable mechanical structure that opens while a cause mechanism is activated, releasing excess stress fuel. The design of the valve desires to recall the properties of the gasoline inside the battery and the manipulate of the drift to make certain the stability of the technique.
Pressure Sensor
The protection valve is normally prepared with a pressure sensor to reveal adjustments in strain within the battery. This sensor is a key enter to the trigger mechanism, which turns on when the pressure within the battery exceeds a fixed threshold, causing the valve to open. The accuracy of the pressure sensor is critical to making sure that the valve opens at the ideal moment.
Cause mechanism
The trigger mechanism is the smart core of the safety valve. It controls the hole and remaining of the valve via responding to the signal from the pressure sensor. This usually includes a manipulate unit, which can also contain electronic components and good judgment manipulate systems. The layout of the trigger mechanism needs to recollect elements inclusive of rapid response, excessive reliability and specific manipulate.
Seals
In order to make sure that the valve can effectively seal whilst closed, safety valves are typically ready with high-overall performance seals. These seals are typically manufactured from excessive temperature and corrosion resistant materials to make sure correct sealing overall performance underneath various running conditions.
Housing and connecting components
The protection valve's housing and connecting parts are designed to tightly integrate it into the battery system. The casing wishes to provide sufficient mechanical energy and sealing to prevent the effect of the external environment at the protection valve. Connecting components make sure that the safety valve can be effectively connected to different additives of the battery gadget.