Temperature Switch Mounting Structure for Vehicle Air Conditioner
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Solution Overview
Problem
The existing mounting structure for temperature switches in vehicle air conditioners is cumbersome, requiring multiple components and low workability due to the need for an elastic member to secure the switch until adhesive hardening, which can lead to displacement and falling off during handling.
Innovation Solution
A mounting structure that includes a housing recess with a fixing cover having band-shaped legs and claws that engage with the housing recess, combined with thermal conductivity adhesive, to securely fasten the temperature switch without additional components, ensuring easy and firm mounting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an elastic member such as a leaf spring is screwed to the compressor housing to press the temperature switch against the mounting hole, then the temperature switch can be prevented from falling off until the adhesive hardens, but the number of components increases and workability deteriorates
Solution Approach 1:
The patent combines the fixing cover and the elastic pressing member into a single integrated component. The fixing cover includes an upper cover and a pressing member that is elastically deformable, eliminating the need for a separate elastic member like a leaf spring. This merging reduces the number of components while maintaining the function of preventing temperature switch displacement during adhesive hardening.
2Reliability
If an elastic member such as a leaf spring is used to secure the temperature switch, then the temperature switch can be prevented from falling off, but troubles in screwing the leaf spring to the housing occur and workability is low
Solution Approach 1:
The fixing cover integrates the pressing function and the covering function into one component that can be installed in a single operation. The pressing member is elastically deformable to allow insertion and then automatically presses the temperature switch against the mounting hole, eliminating the need for separate screwing operations and improving ease of manufacture.
Solution Approach 2:
The pressing member is made of an elastically deformable material that allows it to be compressed during installation and then automatically exerts pressing force to secure the temperature switch. This self-service mechanism eliminates the need for additional fastening operations, improving workability.
3Reliability
If multiple components are used to mount the temperature switch securely, then the temperature switch can be fixed firmly, but the mounting process becomes cumbersome and time-consuming
Solution Approach 1:
The fixing cover combines multiple functions (covering the temperature switch, providing elastic pressing force, and preventing displacement) into a single component that can be installed in one operation, significantly improving mounting speed while maintaining firm attachment.
Solution Approach 2:
The elastically deformable pressing member automatically adjusts and maintains pressing force on the temperature switch without requiring additional adjustment or tightening operations, enabling quick installation while ensuring firm mounting.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution simplifies the mounting process, reduces the number of components, and provides a secure attachment of the temperature switch, preventing it from falling off during handling and improving thermal conductivity for enhanced responsiveness.
Implementation Method 1
an adhesive having thermal conductivity is housed in the housing recess, the adhesive being interposed between lower part of the temperature switch and the housing recess when the temperature switch is housed in the housing recess
Data Source
AI summary
A structure for mounting a temperature switch on a compressor of a vehicle air-conditioner is disclosed. The switch has a cylindrical metal container and a thermally responsive element disposed on a container bottom. The structure includes a housing recess for housing the switch, a fixing cover including an upper cover and one or plural band-shaped legs downwardly extending from a peripheral edge of the cover and housed in the recess with the switch, and one or plural claws formed on the fixing cover legs. When the switch is housed in the recess, the claws are engaged with an inner surface of the recess to be locked. An adhesive is interposed between the switch and the recess when the switch is housed in the recess. The legs are constructed so that parts of the legs are buried in the adhesive when the switch is housed in the recess.