A high voltage isolating switch
A technology of high-voltage isolating switch and driving rack, which is applied in the direction of air switch parts, contact driving mechanism, contact operating parts, etc., and can solve the problem of inability to cut off, input load current and break short-circuit current, and contact piece of knife switch Weakened elasticity, no arc extinguishing function, etc., to achieve the effect of simple structure, high contact pressure and high voltage
Active Publication Date: 2018-12-04
山东电立得动力科技有限公司
View PDF3 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0002] High-voltage isolating switch is an important switching device in the electrical system of power plants and substations. It needs to be used in conjunction with high-voltage circuit breakers. Its main functions are: to ensure the safety of high-voltage electrical appliances and devices during maintenance work, and to isolate voltage. It cannot be used for Cutting off, inputting load current and breaking short-circuit current can only be used for some switching operations that do not generate strong arcs, that is to say, it does not have arc extinguishing function; it can be divided into indoor type and outdoor type according to different installation locations, and according to insulating pillars The number is divided into single column type, double column type and three column type. There are optional equipment for each voltage level. The elasticity of the existing knife switch contacts will be weakened during use, resulting in poor contact. Therefore, there is an urgent need for a A New Type of High Voltage Isolation Switch
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment
[0016] Such as figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 As shown, a high-voltage isolating switch includes a drive frame 1, 2 connecting rods 2, 2 parallel brackets 3, 2 pins A4, 2 moving contacts 5, 4 roller brackets 6, 4 rollers 7, 4 elastic pieces 8, 2 static contact pieces 9, 2 terminal A10, 2 terminal B11, 4 tension springs 12, base 13, 2 connecting frames 14, cylindrical cam 15, one-way ratchet 16, crank 17. Pawl 18, hand wheel 19, mounting base A20, 2 mounting bases B21, 4 legs 22, pin shaft 23, handle 24, 2 column pins B25, 4 column pins C26, characterized in that: The base 13 described above is a rectangular flat plate, with a support leg 22 installed on each of the four corners of the flat plate, and a circular hole in the center of the flat plate; a rotating shaft is arranged on the top of the driving frame 1, and the driving frame 1 is installed by rotating the rotating shaft. In the round hole in the center of the base 13, a crank 17 is fixedly...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention provides a high-voltage isolating switch. The isolating switch includes a drive rack, 2 connecting rods, 2 parallel supports, 2 pins A, 2 moving contacts, 4 idler wheel supports, and 4 idler wheels. A pedestal is a rectangular panel. The four corners of the panel are each provided with a leg. The center of the panel is provided with a circle hole. The upper part of the drive rack is provided with a rotation shaft. The drive rack is installed in the circle hole in the center of the pedestal through the rotation of the rotation shaft. The top part of the rotation shaft is fixedly provided with a crank. According to the invention, a hand wheel and a handle respectively control the on and off of the isolating switch, so that the isolating switch is characterized by easy operation and simple structure. Also, a static contact piece and a dynamic contact piece bear larger contact pressure under the pressure of the idler wheels and can bear higher voltage.
Description
technical field [0001] The invention relates to the technical field of high-voltage electrical appliances, in particular to a high-voltage isolating switch. Background technique [0002] High-voltage isolating switch is an important switching device in the electrical system of power plants and substations. It needs to be used in conjunction with high-voltage circuit breakers. Its main functions are: to ensure the safety of high-voltage electrical appliances and devices during maintenance work, and to isolate voltage. It cannot be used for Cutting off, inputting load current and breaking short-circuit current can only be used for some switching operations that do not generate strong arcs, that is to say, it does not have arc extinguishing function; it can be divided into indoor type and outdoor type according to different installation locations, and according to insulating pillars The number is divided into single column type, double column type and three column type. There a...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): H01H31/02H01H3/02H01H3/32H01H3/42H01H3/46
CPCH01H3/02H01H3/32H01H3/42H01H3/46H01H31/02
Inventor 不公告发明人
Owner 山东电立得动力科技有限公司