Xiangtan Electrical Manufacturing Corporation Ltd.

Xiangtan, China

Xiangtan Electrical Manufacturing Corporation Ltd.

Xiangtan, China
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Patent
XIANGTAN LIYUAN Electrical TOOLING CO. and XIANGTAN Electrical MANUFACTURING CO. | Date: 2012-04-27

A method and device for detecting a precision of a dish parabolic reflecting mirror are provided. Accurate coordinate values of positions on an X-axis and a Y-axis may be obtained by adjusting and controlling a double helix lifting mechanism, a 360-degree plane rotary mechanism, a telescoping mechanism, and an extension rod, and using a photoelectric position sensor with a high precision and the extension rod being measured. Then, the curved surface of the dish paraboloid reflecting mirror being detected is obtained by fitting sampling values of the coordinate values of spatial positions of the detecting points at various, and the precision error value by comparing the curved surface of the dish paraboloid reflecting mirror being detected to the theoretical curved surface, thereby realizing detection of the precision of the curved surface of the dish paraboloid reflecting mirror.


Patent
XIANGTAN Electrical MANUFACTURING CO. and XIANGTAN LIYUAN Electrical TOOLING CO. | Date: 2012-04-27

A detection device for a condenser reflecting surface of a solar heat power generation system comprises: a horizontal rotary beam disposed above the condenser reflecting surface and capable of rotating in a horizontal surface, a plurality of laser heads being disposed at the bottom end of the horizontal rotary beam, a receiving disk perpendicular to the central axis of the horizontal rotary beam and capable of vertical movement connected at the theoretical focus of the condenser reflecting surface below the horizontal rotary beam, a camera being disposed below the receiving disk. A solar heat power generation system comprises the condenser reflecting surface and the detection device, and the detection device is disposed right above the condenser reflecting surface.


Patent
Xiangtan Liyuan Electrical Tooling Co. and Xiangtan Electrical Manufacturing Co. | Date: 2014-03-12

An apparatus for heating a working fluid of a gas turbine-solar power generation system, comprising, sequentially connected, a cold air flow channel (5), a heat collecting cavity (7), and a hot air passage (26). The hot air passage (26) is formed by connecting an inner housing (28) on the front side to a supplemental heating section (13) on the rear side. Also comprised is a burner (20) for heating a primary heating air (27) within the supplemental heating section (13) when having insufficient solar power, and the burner (20) is arranged at the supplemental heating section (13). Employment of the working fluid heating apparatus of said structure allows for in tandem use of solar power and other gaseous fuels on the basis of the condition of direct solar radiation, and for supplementary heating by burning gas of the primary heating air (27) of the supplementary heating section (13) when having insufficient solar power. The burner has a simple structure and low costs, allowing the working fluid heating apparatus to maintain, under the premise of low costs, the stability and adjustability of power current outputted by the power generation system when having insufficient solar power.


Patent
XIANGTAN Electrical MANUFACTURING CO. and XIANGTAN LIYUAN Electrical TOOLING CO. | Date: 2012-04-26

A disc-type concentrator comprises a disc rack vertical post, a disc rack, a rotating shaft, a rotating reflection mirror, a power driving device, and a control system. The rotating shaft is arranged on the disc rack and rotatably connected with the disc rack. The rotating reflection mirror is arranged on a side of the rotating shaft and fixedly connected with the rotating shaft. The power driving device is arranged on the disc rack or on the back surface of the rotating reflection mirror and driving the rotating reflection mirror to rotate. The control system is connected with the power driving device and controlling the working state of the power driving device.


Patent
XIANGTAN Electrical MANUFACTURING CO. and XIANGTAN LIYUAN Electrical TOOLING CO. | Date: 2012-04-27

An apparatus for heating a working fluid of a gas turbine-solar power generation system, comprising, sequentially connected, a cold air flow channel, a heat collecting cavity, and a hot air passage. The hot air passage is formed by connecting an inner housing on the front side to a supplemental heating section on the rear side. Also comprised is a burner for heating a primary heating air within the supplemental heating section when having insufficient solar power, and the burner is arranged at the supplemental heating section.


Patent
XIANGTAN LIYUAN Electrical TOOLING CO. and XIANGTAN Electrical MANUFACTURING CO. | Date: 2012-04-27

A cleaning device for a reflective surface of a disc light-condenser includes a low pressure air transfer tube which is provided on the reflective surface of the disc light-condenser, driven by a pneumatic motor and capable of rotating around the central axis of the reflective surface of the disc light-condenser, and a high pressure water pipe provided in parallel with the low pressure air transfer tube; the lower end of the low pressure air transfer tube is connected with a plurality of air flow nozzles; the lower end of the high pressure water pipe is provided with a plurality of high pressure water nozzles via a nozzle mounting shaft; during cleaning, the low pressure air transfer pipe and the high pressure water pipe are connected to a mobile cleaning station of a solar power generating system via a fluid connecting pipe and a signal control line.


Patent
XIANGTAN Electrical MANUFACTURING CO. | Date: 2012-04-26

A heat collector of a dish-type solar thermal power generation system and the solar thermal power generation system having the heat collector. The heat collector of the dish-type solar thermal power generation system comprises a heat collecting cavity and at least one layer of heat absorbing coil. The heat collecting cavity is provided with an opening. The heat absorbing coil forms a cavity structure. The cavity structure is provided with a hole. The cavity structure is arranged within the heat collecting cavity. The hole and the opening are aligned. A low temperature inlet of the heat absorbing coil is arranged on the cavity structure at a location where incident light energy distribution density is at maximum. The heat collector is capable of preventing ablation of the heat absorbing coil due to localized overheating and burning of the heat collector due to abrupt drop in convective heat transfer coefficient caused by phase transition of working fluid.


Patent
XIANGTAN Electrical MANUFACTURING CO. | Date: 2012-04-26

A solar condenser, comprising two or more parabolic mirrors; each parabolic mirror is provided with a different focal length and a common focusing plane; the parabolic mirrors consist of a plurality of staggeredly arranged mirror unit groups consisting of more than one reflecting units; the distance between every two parabolic mirrors with different focal lengths is the focal length difference thereof. Through the staggered installation of the reflecting units, the air flow between the mirrors is increased without increasing additional footprint or affecting the light-focusing effect, thus the impact of winds on the mirrors and structures is reduced; and ice, snow and dust do not easily accumulate on the mirrors, thus effectively improving the operational stability of the solar condenser.


Patent
Xiangtan Electrical Manufacturing Co. | Date: 2014-05-21

A solar-energy heat power-generating system and thermoelectric conversion device thereof, the thermoelectric conversion device comprising a power generator (5), an air compressor, a turbine and an intermediate body (12) fixedly connected between the air compressor and the turbine; the interior of the intermediate body (12) is rotatably connected to a transmission shaft (28); the transmission shaft (28) is fixedly connected to the rotating shaft of the power generator (5); the air compressor impeller (7) of the air compressor and the turbine impeller (18) of the turbine are both installed on the transmission shaft (28); the power generator (5) is also connected to a conducting wire (3) for inputting current; the solar-energy heat power-generating system comprises a heat collector and the thermoelectric conversion device; the air compressor of the thermoelectric conversion device is located upstream of the heat collector, and the turbine is located downstream of the heat collector.


Patent
Xiangtan Electrical Manufacturing Co. | Date: 2014-12-31

The present invention discloses a dish-type solar concentration device, comprising a reflection surface (3), a heat absorber (4) and a dish-type support frame (5) being provided above and below the reflection surface (3), respectively; further comprising a rigid turntable (11) and a circular orbit (27) fixed onto the ground, the rigid turntable (11) being connected in a rotary manner to the circular orbit (27) through a plurality of bearing wheels (12), at least one support and one fixed leg (10) being provided on the rigid turntable (11), a driving mechanism for adjusting an elevation angle of the dish-type support frame (5) being provided on the top end of the support, and the top end of the driving mechanism and the top end of the fixed leg (10) being articulated to the dish-type supporting frame (5) by two first horizontal articulating shafts (8) parallel to each other. By such a structure, the stability and strength of the dish-type solar concentration device can be enhanced.

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