As a core component of dishwashers, the dishwasher water pump acts as the "heart" that determines cleaning performance. Its stable operation directly affects whether water flow can consistently reach every corner of tableware—especially hard-to-clean areas like the inner sides of cups and the recessed bottoms of bowls, where food residues often hide. When it comes to key technologies ensuring cleaning stability, multi-protection functions are the core breakthrough—and DC brushless water pumps represented by Shenpeng Technology’s P6074 have already delivered a mature solution.

Traditional dishwashers mostly use AC pumps or brushed DC water pumps, which are prone to operation interruptions under complex working conditions, directly reducing cleaning coverage. Specific issues include:

A. Dry running risk: When water in the dishwasher is insufficient, traditional pumps may continue dry running, causing motor overheating and damage. This interrupts the cleaning process, leaving "blind spots" on tableware.

B. Impact of voltage fluctuations: Unstable household power grids can cause sudden spikes or drops in pump speed, leading to inconsistent water pressure that fails to evenly cover tableware surfaces.

C. Foreign object jamming: Food residues entering the pump may lock the rotor, triggering an immediate shutdown and disrupting the entire cleaning cycle.

D. Incorrect installation: Reverse connection of positive and negative terminals can burn out the motor of traditional pumps, not only affecting cleaning but also incurring additional maintenance costs.

Designed specifically for dishwasher cleaning functions, Shenpeng Technology’s P6074 DC brushless water pump builds a closed loop of "stable operation → full-area coverage" through five core protection technologies, ensuring water flow acts on tableware continuously and evenly:

1. Dry Running Protection: Avoid Dry Burning Interruption and Maintain Continuous Cleaning

The P6074 integrates an intelligent detection module. When there is no liquid in the pump, it enters dry running protection mode within 5 seconds, automatically reducing speed to lower energy consumption and heat generation. Once liquid is detected, it resumes normal operating speed within 5 seconds—ensuring no interruption to water flow. For extreme cases (e.g., dishwasher leaks) where dry running persists for 120±20 seconds, the pump shuts down automatically and restarts only after power is cut off and restored. This function fundamentally prevents cleaning interruptions caused by insufficient water, ensuring tableware stays under water coverage throughout the process.

2. Wide Voltage Protection: Resist Grid Fluctuations and Stabilize Water Pressure Output

To address household power grid fluctuations, the P6074 features a dual-voltage protection mechanism:

Overvoltage protection: When input voltage exceeds 30±1V, the pump stops working within 2 seconds, preventing excessive speed and sudden pressure surges caused by high voltage.

Undervoltage protection: When input voltage drops below 10±1V, it also shuts down within 2 seconds, avoiding weak water flow and insufficient coverage due to low voltage.

Once voltage returns to normal, the pump restarts automatically within 2 seconds, maintaining water pressure steadily between 0.3-0.5MPa—the "golden pressure range" for removing oil stains. This ensures water flow evenly scrubs every detail of tableware.

3. Constant Power Function: Stable Output Under High Voltage for Edge/Corner Coverage

When input voltage exceeds 25±1V (high-voltage scenarios), the P6074 automatically adjusts operating current to keep input power, maximum flow rate, and maximum lift stable. This avoids the uneven water distribution issue of traditional pumps (which experience sudden flow surges under high voltage), ensuring even water coverage for corner areas inside the dishwasher and eliminating "cleaning blind spots."

4. Locked-Rotor Protection: Automatic Restart to Resolve Foreign Object Interference

If food residues or other foreign objects lock the pump’s rotor, the P6074 shuts down immediately and automatically attempts to restart after 5 seconds—using pulsed power impact to clear small foreign objects. This "self-repair" capability significantly reduces cleaning interruptions caused by jamming, making it ideal for complex cleaning scenarios in Chinese-style kitchens (where oil and food residues are more common).

5. Reverse Polarity Protection: Avoid Installation Errors and Ensure Long-Term Reliability

During installation, if the positive and negative terminals are incorrectly connected to a 30V power supply, the P6074 enters protection mode—it neither operates nor suffers irreversible damage. Normal operation can be restored simply by correcting the wiring. This design reduces error costs in production and assembly, ensuring the pump remains stable from the initial installation stage and laying the foundation for continuous cleaning.

Technical Application Value: Experience Upgrade from "Intermittent Cleaning" to "Full-Coverage Cleaning"

Through the five protection functions above, Shenpeng Technology’s P6074 fundamentally solves the operation interruption issue of traditional dishwasher water pumps caused by fluctuating working conditions. In practical use, this means:

Tableware stays under stable water coverage from the start to the end of cleaning, significantly improving the cleanliness of blind spots like cup bottoms and bowl edges.

There is no need to worry about sudden issues such as voltage fluctuations or foreign object jamming, greatly increasing the completion rate of cleaning cycles.

The pump’s failure rate is reduced, indirectly extending the overall service life of the dishwasher and lowering maintenance costs.

As an enterprise specializing in DC brushless water pump R&D, Shenpeng Technology has always used technological innovation to address core pain points of dishwasher water pumps. The multi-protection technology of the P6074 is not just an improvement in operational stability—it redefines the "continuous, even, and reliable" cleaning experience. If your dishwasher products are facing cleaning interruptions due to fluctuating working conditions, starting with the pump’s "protection functions" may be the key to eliminating coverage blind spots and enhancing product reputation.