EGR valve temperature field test method
A technology of EGR valve and testing method, which is applied in the field of automobiles, and can solve the problems of EGR valve torque attenuation due to heat, chip damage position opening cannot be fed back, EGR valve stuck failure, etc.
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[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.
[0035] see Figure 1~2 , in the embodiment of the present invention,
[0036] The invention discloses a method for testing the temperature field of an EGR valve, which mainly includes the following steps
[0037] S1. Preparation before the test
[0038] Evaluate whether the operating environment of the EGR valve is worse than that of the batch-produced EGR valve. The evaluation method is: collect the inlet temperature of the EGR valve, the ambient temperature of the EGR valve, and the EGR rate, as long as one of the evaluation indicators is higher than the factory setting of the valve. If the index value is determined, enter step S2;
[0039] S2. Arrange eight the...
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