There are many types of fire engine. According to the medium and function, they can be categorized into water tank fire engine, foam fire engine, dry-powder fire engine and ladder fine engine, etc. And on a fire engine, an electrical slip ring is a key component. JINPAT Electronics, as a historical slip ring manufacturer has developed dozens of slip rings for fire engines.
JINPAT Through Bore Fire Engine Slip Rings are mostly installed on the fire engines with a ladder. The hollow shaft design facilitates the installation of pipes in different size. Since this kind of fire engine needs to transmit a massive amount of foam or water, the pipes tend to be with big diameter. And to integrate such pipelines, the diameter of a JINPAT through bore slip rings for fire engine is over 120mm.
Now let’s look into some customer case by JINPAT Electronics. LPTS120-0330-0402-14S and LPTS120-0230-16S are two good examples. Meantime, these two through bore fire engine slip rings have the largest annual production among all models for fine engine. Since the system of a fine engine only supports 24VAC, the power channel and signal channel also share the same working voltage. And such working voltage is a shared common point among slip rings for vehicles.
As for slip ring with the largest bore diameter, LPTS175-0440-14S-E2 is a typical model. The bore diameter is 180mm. Different from the model with a 120mm central hole, such integrated slip ring loads larger current with 1 extra channel. Generally speaking, fire engine slip ring integrates CAN signal, RS signal and video signal in the signal module. And such feature calls for different type of cables. For CAN signals, there are CAN cables. In terms of power and other signals, FLRY-B cables are preferred. And coaxial cables are adopted for video signal transmission.
On JINPAT LPTS175-0440-14S-E2, the signal unit integrates one 100M Ethernet channel. Upon request, JINPAT can provide integrated slip ring solutions that can transmit 100M Ethernet and Gigabit Ethernet signal at the same time. And to ensure the stability and reliability of our slip ring product under demanding working conditions, JINPAT Electronics has made some adjustments on the anti-impact and anti-shock structure. Therefore, the protection grading of JINPAT Through Bore Slip Rings LPTS120-0230-16S reaches IP67.
