7results about How to "Ensure electrical insulation" patented technology

The utility model relates to a four-probe probe head with replaceable probes, specifically refers to a four-probe probe head composed of probes, probe sleeves, insulating probe bases, probe sleeve fixing pieces, elastic washers, mounting seats, waterproof joints and four-core cables, wherein the probes can be quickly replaced through simple pulling and inserting. The utility model can be widely used in the process monitoring and online detection of the research and development testing and production process of semiconductor materials and devices.

The present invention relates to a motor protection circuit breaker comprising metallic parts and non-metallic parts, at least a part of the metallic parts being inside a cavity made of non-metallic parts, said non-metallic parts being formed of a composite material comprising a polymer, a reinforcing filler, a flame retardant, a gas phase corrosion inhibitor, a montmorillonite, a lubricant, an antioxidant and an acid absorbent. The motor protection circuit breaker of the present invention is able to provide good performances in terms of corrosion protection, reduction of gas phase corrosion inhibitor precipitation, electrical insulation.

The present invention ensures electrical insulation between different lead portions. The first voltage detection device (30A) includes: a plurality of first voltage detection portions (310A) connected to a plurality of lead portions (110) of a plurality of battery cells (100); a first holding body (300A) holding the plurality of first voltage detection portions (310A); and an insulator disposed on the first holding body (300A) and at least a portion thereof located between the different lead portions (110).

The invention relates to a cooling body (1) for electrically insulating and / or thermally conducting contact with a support body (2), wherein the cooling body (1) has a first surface (10). In order to improve the contact, it is proposed that the first surface (10) has at least one recess (11), wherein the recess (11) is arranged in a region of the first surface (10) which is provided for edge contact with a contact surface (21) of the support body (2), wherein the recess (11) forms a closed path on the first surface (10), wherein the first surface (10) is essentially configured as a planar surface. The invention also relates to a contact system (3) having such a cooling body (1) and a support body (2), wherein the contact surface (21) of the support body (2) is arranged at the cooling body (1) such that the recess (11) of the cooling body (1) extends completely along the edge of the contact surface (21). The invention also relates to a method for producing such a contact system (3), wherein the support body (2) is placed on the cooling body (1) such that the entire edge of the contact surface (21) of the support body (2) extends along the recess (11) of the cooling body (1).

The utility model discloses a ceramic heating element with good insulating property, which comprises an upper ceramic layer, a lower ceramic layer and a tungsten slurry heating circuit arranged on the opposite side surfaces of the upper ceramic layer and the lower ceramic layer, and the upper ceramic layer is provided with two electrode holes which are respectively arranged at the two ends of the tungsten slurry heating circuit. The high-temperature-resistant ceramic capacitor is characterized in that a protective shell is arranged at the right end of the upper ceramic layer and the right end of the lower ceramic layer, the electrode holes are located in the inner side of the protective shell, an isolation block is arranged in the protective shell, a filling layer located in the protective shell is arranged on the right side of the isolation block, and the right side of the filling layer is provided with an electrode plate and a power-on wire connected with the electrode plate. The electrified wire sequentially penetrates through the isolation block, the filling layer and the protective shell and extends to the right side of the protective shell; the utility model has the advantage of good electrical insulativity.

This invention relates to an electrical device, such as a contactor, comprising metallic and non-metallic components, with at least a portion of the metallic components located within a cavity formed of the non-metallic components. The non-metallic components are formed from a composite material comprising a polymer, reinforcing filler, flame retardant, vapor phase corrosion inhibitor, montmorillonite, lubricant, antioxidant, and acid absorbent. The electrical device of this invention provides excellent properties including corrosion resistance, reduced vapor phase corrosion inhibitor precipitation, and electrical insulation.