Anti-icing and de-icing device, spacer and system based on sudden change of center of gravity, and anti-galloping system

An anti-icing and de-icing device based on a sudden change of center of gravity, used for being fixedly installed on an overhead transmission line or a railway contact system, wherein the anti-icing and de-icing device comprises a base and an electric driving assembly, a weight block and a potential energy module arranged on the base;

• wherein the electric driving assembly comprises a motor and a clutch mechanism, and wherein the motor drives the weight block to generate displacement relative to the base through the clutch mechanism;
• wherein the clutch mechanism comprises an input end, an output end, a driving part, and a driven part, wherein the input end is connected with the driving part, and the driven part is connected with the output end;
• and there are only two mutually exclusive and controllable working states comprising engaging state and separation states between the driving part and the driven part;
• when the driving part and the driven part are in the engaging state, the driving part transmits an acting force, torque, or motion to the driven part;
• and when the driving part and the driven part are in the separation state, the driving part is cut off to transmit the acting force, torque or motion to the driven part;
• wherein the motor is in transmission connection with the input end, and the output end is connected with the weight block;
• when the driving part and the driven part are in the engaging state, the electric driving assembly drives the weight block to generate displacement relative to the base;
• and when the driving part and the driven part are in the separation state, the electric driving assembly cuts off driving to the weight block;
• wherein the potential energy module is configured to accumulate potential energy when the weight block generates the displacement relative to the base, and release the potential energy when the driving part and the driven part are in the separation state;
• wherein the potential energy module comprises an elastic element, wherein one end of the elastic element is connected to the weight block, and the other end of the elastic element is connected to the base;
• and when the weight block generates the displacement relative to the base, the elastic element generates elastic deformation, and the potential energy accumulated by the potential energy module comprises elastic potential energy generated by the elastic deformation of the elastic element.

An anti-icing and de-icing spacer, being used between bundle conductors, between phase conductors and phase conductors or between phase conductors and overhead ground wires of an overhead power transmission line, comprising a spacer body and at least one anti-icing and de-icing device based on sudden change of center of gravity installed on the spacer body, wherein the sudden change of center of gravity comprising:

• a base and an electric driving assembly, a weight block and a potential energy module arranged on the base;
• wherein the electric driving assembly comprises a motor and a clutch mechanism, and the motor drives the weight block to generate displacement relative to the base through the clutch mechanism;
• wherein the clutch mechanism comprises an input end, an output end, a driving part and a driven part;
• the input end is connected with the driving part, and the driven part is connected with the output end;
• and there is only two mutually exclusive and controllable working states comprising engaging state and separation states between the driving part and the driven part;
• when the driving part and the driven part are in the engaging state, the driving part transmits an acting force, torque or motion to the driven part;
• and when the driving part and the driven part are in the separation state, the driving part is cut off to transmit the acting force, torque or motion to the driven part;
• wherein the motor is in transmission connection with the input end, and the output end is connected with the weight block;
• when the driving part and the driven part are in the engaging state, the electric driving assembly drives the weight block to generate displacement relative to the base;
• and when the driving part and the driven part are in the separation state, the electric driving assembly cuts off driving to the weight block;
• wherein the potential energy module is configured to accumulate potential energy when the weight block generates the displacement relative to the base, and releasing the potential energy when the driving part and the driven part are in the separation state;
• and
• wherein the potential energy module comprises an elastic element, one end of the elastic element is connected with the weight block, and the other end of the elastic element is connected with the base;
• and when the weight block generates the displacement relative to the base, the elastic element generates elastic deformation, and the potential energy accumulated by the potential energy module comprises elastic potential energy generated by the elastic deformation of the elastic element.

An anti-icing and de-icing system for an overhead transmission line or a railway contact system, comprising multiple anti-icing and de-icing devices based on sudden change of center of gravity, or multiple anti-icing and de-icing spacers comprising the anti-icing and de-icing devices based on sudden change of center of gravity, wherein the anti-icing and de-icing devices based on sudden change of center of gravity comprises:

• a base and an electric driving assembly, a weight block and a potential energy module arranged on the base;
• wherein the electric driving assembly comprises a motor and a clutch mechanism, and the motor drives the weight block to generate displacement relative to the base through the clutch mechanism;
• wherein the clutch mechanism comprises an input end, an output end, a driving part and a driven part;
• the input end is connected with the driving part, and the driven part is connected with the output end;
• and there is only two mutually exclusive and controllable working states comprising engaging state and separation states between the driving part and the driven part;
• when the driving part and the driven part are in the engaging state, the driving part transmits an acting force, torque or motion to the driven part;
• and when the driving part and the driven part are in the separation state, the driving part is cut off to transmit the acting force, torque or motion to the driven part;
• the motor is in transmission connection with the input end, and the output end is connected with the weight block;
• when the driving part and the driven part are in the engaging state, the electric driving assembly drives the weight block to generate displacement relative to the base;
• and when the driving part and the driven part are in the separation state, the electric driving assembly cuts off driving to the weight block;
• wherein the potential energy module is configured to accumulate potential energy when the weight block generates the displacement relative to the base, and releasing the potential energy when the driving part and the driven part are in the separation state;
• and
• wherein the potential energy module comprises an elastic element, one end of the elastic element is connected with the weight block, and the other end of the elastic element is connected with the base;
• and when the weight block generates the displacement relative to the base, the elastic element generates elastic deformation, and the potential energy accumulated by the potential energy module comprises elastic potential energy generated by the elastic deformation of the elastic element;
• wherein the multiple anti-icing and de-icing devices based on sudden change of center of gravity or the multiple anti-icing and de-icing spacers are distributed and installed on an overhead transmission line or a railway contact system.

An anti-galloping system for an overhead transmission line, comprising multiple second acceleration sensors distributed on the overhead transmission line and multiple anti-icing and de-icing devices based on a sudden change of a center of gravity or multiple anti-icing and de-icing spacers comprising the anti-icing and de-icing devices based on sudden change of center of gravity, wherein the anti-icing and de-icing devices based on sudden change of center of gravity comprises:

• a base and an electric driving assembly, a weight block and a potential energy module arranged on the base;
• wherein the electric driving assembly comprises a motor and a clutch mechanism, and the motor drives the weight block to generate displacement relative to the base through the clutch mechanism;
• wherein the clutch mechanism comprises an input end, an output end, a driving part and a driven part;
• the input end is connected with the driving part, and the driven part is connected with the output end;
• and there is only two mutually exclusive and controllable working states comprising engaging state and separation states between the driving part and the driven part;
• when the driving part and the driven part are in the engaging state, the driving part transmits an acting force, torque or motion to the driven part;
• and when the driving part and the driven part are in the separation state, the driving part is cut off to transmit the acting force, torque or motion to the driven part;
• wherein the motor is in transmission connection with the input end, and the output end is connected with the weight block;
• when the driving part and the driven part are in the engaging state, the electric driving assembly drives the weight block to generate displacement relative to the base;
• and when the driving part and the driven part are in the separation state, the electric driving assembly cuts off driving to the weight block;
• wherein the potential energy module is configured to accumulate potential energy when the weight block generates the displacement relative to the base, and releasing the potential energy when the driving part and the driven part are in the separation state;
• and
• wherein the potential energy module comprises an elastic element, one end of the elastic element is connected with the weight block, and the other end of the elastic element is connected to the base;
• and when the weight block generates the displacement relative to the base, the elastic element generates elastic deformation, and the potential energy accumulated by the potential energy module comprises elastic potential energy generated by the elastic deformation of the elastic element;
• wherein the multiple second acceleration sensors are used for detecting directions and magnitudes of accelerations at various positions caused by galloping or vibration of the overhead transmission line, and each of the anti-icing and de-icing devices based on the sudden changes of the center of gravity or the anti-icing and de-icing spacer acts based on the directions and the magnitudes of the accelerations.