CN203585846U - Highly-converged high-power adjustable solar simulation device - Google Patents

Abstract

The utility model relates to a highly converging high-power adjustable sun simulation device, which uses a high-power high-voltage short-arc xenon lamp to simulate sunlight; on a plane perpendicular to the axis of the middle lamp, six lamps are evenly distributed around, and the optical axes of the lamps are in line with the The light axis in the middle is at an angle of 15°; each lamp is equipped with an ellipsoid reflective condenser, the bright spot of the xenon lamp is adjusted to be located at the first focus of the condenser, and the light emitted by the seven lamps is reflected by the condenser and all converge at the second focus. The xenon lamp adopted in the utility model has high power and good optical symmetry, and can realize different irradiance under different irradiation areas by adjusting the number of lights, the operating current of the lamp and the distance from each lamp to the working surface. The utility model can better simulate various converging real solar irradiations, and provides a flexible and operable platform for high-grade utilization research of various solar energy.

Description

A high-power adjustable solar simulation device with high concentration

technical field

The utility model relates to the technical field of new energy, in particular to a high-power adjustable solar simulation device with high concentration. the

Background technique

In order to solve the increasingly serious environmental and energy shortage problems, it is necessary to actively develop and utilize renewable energy technologies. Solar energy is a forward-looking and strategic energy that supports the sustainable development of our national economy. Solar energy is relatively scattered and belongs to low-grade energy, while efficiently concentrated solar energy is a high-grade utilization of solar energy. Restricted by time, weather and geographical conditions, the research on solar energy utilization is also limited. High-parameter, high-power solar simulators need to be studied urgently. the

Contents of the invention

In order to solve the problems in the prior art, the utility model provides a highly converging high-power adjustable solar simulation device. It has reasonable structure, superior performance, high parameters and high power, and can realize different irradiance under different irradiation areas. the

The utility model is realized by adopting the following technical solutions:

The utility model is a highly converging high-power adjustable solar simulation device, which includes an optical system, a mechanical system and a cooling system, the cooling system is connected with the optical system, and the optical system is connected with the mechanical system. the

The optical system includes seven identical lamp units and matching xenon lamp adjustment devices. The seven lamp units are arranged on a plane perpendicular to the axis of the middle lamp unit, and the surrounding six lamps are evenly distributed in 60° arcs, forming an evenly distributed of plum petals. the

Each lamp unit includes a xenon lamp and a matching condenser lens, and each xenon lamp is clamped on the front end of the xenon lamp adjusting device through its own cathode end. the

The condenser is an ellipsoidal reflection type, and its tail is connected to the tail end of the xenon lamp adjustment device through threads, and the front end of the xenon lamp adjustment device is fixed on the support platform through bolts, and the support platform is fixed by the channel and bolts. On the movable support, the support and the slide rail are connected together through the groove of the slide rail, the slide rail is fixed on the support frame, the support frame is fixed on the bracket, and the bracket is fixed on the base. the

The seven lamp units are respectively equipped with seven sub-fans, which are adjacent to the tail of the corresponding xenon lamp adjustment device. There are five air outlets on each of the sub-fans, which are respectively connected with the xenon lamp adjustment device and four The cooling air pipes are connected, and the four cooling air pipes are opposite to each other. They are arranged around the near-mirror port of the condenser. The cooling air pipes are fixed around the near-mirror port through the round holes on the cooling air pipe bracket; On the bracket, the sub-fan bracket is fixed on the bracket by bolts. the

The mechanical system mainly includes cable brackets, cooling duct brackets, brackets, slide rails, and brackets; the cable brackets are fixed on the edge of the near-mirror port of the condenser through grooves and connected with bolts, and connected to the power supply. Seven brackets They are respectively connected with the seven slide rails through the grooves in the slide rails, and each lamp unit, fan and xenon lamp adjustment device can move stably on their own slide rails as a whole; the seven peripheral slide rails are bolted to the middle slide The angle between the rails is fixed on the bracket at an angle of 15°. the

The cooling system includes a distribution fan, a xenon lamp adjustment device and a cooling air duct. There are seven distribution fans in total. One end of the air inlet is connected to the seven air ducts coming out of the air chamber, and the five air outlets are respectively connected to the lamp unit. The five air inlets are connected, the five air inlets of the lamp unit are located on the four cooling air ducts and the xenon lamp adjustment device. the

The high-power xenon lamp is a high-power high-voltage short-arc xenon lamp. the

The bright spot of the xenon lamp is located at the first focal point of the ellipsoidal condenser, and the light emitted by the seven lamps is accurately and efficiently reflected by the condenser, and all of them are efficiently converged at the second focal point of the condenser. the

The optical axes of the six surrounding lights form an angle of 15° with the central light axis; each light can move along the optical axis. the

Compared with the prior art, the utility model has the following significant advantages:

The optical equipment of the utility model adopts seven high-voltage short-arc xenon lamps, and the seven lamps are efficiently converged at one point, and the optical symmetry is good. To achieve different irradiance under different irradiation areas. the

Description of drawings

Fig. 1 is the structural front view of the utility model device. the

Fig. 2 is a right view of the structure of the utility model device. the

Figure 3 is a schematic diagram of the structure of a high-power high-voltage short-arc xenon lamp

Figure 4 Schematic diagram of the cooling system. the

Figure 5 Schematic diagram of the layout of the light array

Description of each part in the figure:

1. High-power xenon lamp; 2. Cooling duct; 3. Cooling duct bracket; 4. Condenser; 5. Cable bracket; 6. Support table; 7. Xenon lamp adjustment device; 10. Bracket; 11. Slide rail; 12. Support frame; 13. Bracket; 14. Base; 15. Blister; 16. Anode; 17. Cathode; 18. Xenon. the

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail. the

See Figures 1 to 5. the

The utility model is a highly converging high-power adjustable solar simulation device, which includes an optical system, a mechanical system and a cooling system, the cooling system is connected with the optical system, and the optical system is connected with the mechanical system. the

The optical system includes seven identical lamp units and a matching xenon lamp adjustment device 7. The seven lamp units are arranged on a plane perpendicular to the axis of the middle lamp unit, and the surrounding six lamps are evenly distributed in an arc of 60° to form a uniform The plum petal shape of the cloth. the

Described each lamp unit comprises a xenon lamp 1 and matching condenser lens 4, and each xenon lamp is clamped on the front end of xenon lamp adjusting device 7 by self cathode end. the

The condenser 4 is an ellipsoid reflection type, and its tail is screwed to the tail end of the xenon lamp adjustment device 7, and the front end of the xenon lamp adjustment device 7 is fixed on the support platform 6 by bolts, and the support platform 6 is passed through The channel and the bolts are fixed on the movable bracket 10, the bracket 10 and the slide rail 11 are connected together through the channel of the slide rail 11, the slide rail 11 is fixed on the support frame 12, and the support frame 12 is fixed on the bracket 13 On, bracket 13 is fixed on the base 14. the

The seven lamp units are respectively equipped with seven sub-fans 8, and are adjacent to the tail of the corresponding xenon lamp adjustment device 7. There are five air outlets on each of the sub-fans 8, which are respectively connected to the xenon lamp adjustment device through hoses. 7 and four cooling air pipes 2 are connected, and the four cooling air pipes are opposite in pairs, and are arranged on the periphery of the near-mirror port of the condenser, and the cooling air pipe 2 is fixed on the periphery of the near-mirror port through the round hole on the cooling air pipe bracket 3; Said sub-fan 8 is fixed on the sub-fan support 9, and the sub-fan support 9 is fixed on the support 10 by bolts. the

Described mechanical system mainly comprises cable support 5, cooling duct support 3, support 10, slide rail 11 and bracket 13; Described cable support 5 uses bolt connection to be stuck on the edge of near-mirror mouth of condenser 4 by groove, and Connected to the power supply, the seven brackets 10 are respectively connected to the seven slide rails 11 through the grooves in the slide rails, and each lamp unit, fan 8 and xenon lamp adjustment device 7 can move stably on their respective slide rails as a whole; The seven slide rails on the periphery are fixed on the bracket 13 at an angle of 15° to the middle slide rail by bolts. the

The cooling system includes a fan 8, a xenon lamp adjusting device 7 and a cooling air duct 2. There are seven fans 8 in total, one end of the air inlet is connected with seven air ducts coming out of the air chamber, and the five air outlets are respectively It is connected with the five air inlets of the lamp unit, and the five air inlets of the lamp unit are located on the four cooling air ducts 2 and the xenon lamp adjusting device 7 . the

The xenon lamp 2 is a high-power high-voltage short-arc xenon lamp. the

The bright spot of the xenon lamp is located at the first focal point of the ellipsoidal condenser, and the light emitted by the seven lamps is precisely and efficiently reflected by the condenser, and all of them converge efficiently at the second focal point of the condenser. the

The optical axes of the six surrounding lights form an angle of 15° with the central light axis; each light can move along the optical axis. the

The utility model is specifically composed of an optical system, a cooling system, a mechanical system and an electric control system: (1) The optical system is composed of a lamp unit and its auxiliary mechanical structure. The lamp unit is mainly composed of a high-power xenon lamp, a condenser lens, a xenon lamp adjustment structure and cooling equipment, and it is one of the key components in the lamp house and even the entire solar simulator. (2) The cooling system is composed of air filter, air volume regulating valve, fan and ventilation duct. (3) The mechanical system consists of the installation workbench, base, and moving parts of the lamp unit of the lamp array. the

Brief introduction of each system function:

Optical system: mainly composed of high-power xenon lamp 1, condenser lens 4, xenon lamp adjustment device 7, fan 8 and cooling air duct 2; the structure of high-power xenon lamp 1, as shown in Figure 3, mainly includes anode 16, cathode 17, bulb 15 and xenon gas 18, the anode 16 and cathode 17 are in the bulb, and the wires and their protective sleeves are outside the bulb; the condenser 4 adopts an ellipsoid reflector, and the axis of the xenon light coincides with the optical axis of the condenser through the xenon lamp adjustment device 7 , and make the xenon lamp light-emitting center be positioned at the first focal point place of condenser, realize the support of high-power xenon lamp 1 and condenser mirror 4 simultaneously; On the sub-fan bracket 9, and then fixed on the bracket 10, each sub-fan 8 has five air outlets, which are respectively connected with the xenon lamp adjustment device 7 and four cooling air pipes 2 through flexible pipes, and enter the xenon lamp adjustment device 7. The wind is used to cool the cathode of the xenon lamp, and two pairs of opposite air pipes among the four cooling air pipes are used to cool the anode and bulb of the lamp respectively. the

Cooling system: The cooling system is an important subsystem of the solar simulator, which is mainly used for cooling the high-power xenon lamp 1, the condenser lens 4 and the test environment of the solar simulator. Under the action of the fan, a part of the air is dried and dust-removed by the fan and enters the air chamber. In the air chamber, it is mixed with an appropriate amount of return air to achieve the required temperature of the cooling air, and then enters the fan and 8 pairs of lamp units through seven air ducts. For cooling, the hot air is drawn out from the exhaust port of the test equipment by the fan and discharged outside. In order to ensure that the temperature of the cooling air is within the safety requirements of the lamp, the return air is used to control the air temperature of the air chamber; another part of the air is filtered Afterwards, it directly enters the air chamber from the outer casing of the air chamber to cool the outside of the condenser and the outer casing of the lamp chamber, and finally the fan and the upper part of the hot air are drawn out from the exhaust port of the test equipment and discharged outside, as shown in Figure 4. the

Mechanical system: The mechanical system is used for the spatial installation and arrangement of the lamp unit array, and the directional movement of the lamp unit along the axis. The xenon lamp power supply cables are all connected to the power supply through the cable bracket 4, the cooling air duct bracket 3 is integrated with the cable bracket 5, the cable bracket 5 is connected to the condenser lens 4, and the bracket 10 is connected to the slide rail 11 through the groove in the slide rail. Each lamp unit, fan 8 and xenon lamp adjustment device 7 as a whole can move stably on their respective slide rails 11, thereby ensuring the directional movement of the lamp unit along the axis; the seven slide rails are fixed at different angles according to the arrangement requirements of the lamps. bracket 13, thereby realizing the accurate arrangement of seven lamp arrays, as shown in FIG. 5 . the

The electronic control system can use the control methods in the prior art, mainly including light unit motion control, cooling system control, power supply control and so on. The motion control of the light unit is set by the computer graphic interface to set the orientation of the simulator light unit and the speed and displacement of the translational movement. After this command is sent to the motion controller, the controller controls the selected motor to move according to the set method, so that Control the displacement and speed of the lamp unit; the cooling system control is to directly collect the temperature from the anode of the xenon lamp as a feedback signal to control the air supply flow of the fan, thereby controlling the cooling air volume entering the lamp unit to meet the cooling requirements of the xenon lamp. The power control is to control the opening, closing and current change of each lamp unit according to different experimental requirements. the

The working process of the utility model device:

After the power is turned on, the high-voltage xenon gas 18 emits light similar to the solar spectrum under the trigger of the high voltage generated by the anode 16 and the cathode 17, and the luminous spot of the high-power xenon lamp 1 is adjusted by the xenon lamp adjustment device 7 and located in the high-precision ellipsoidal reflective condenser 4 first focus, so that the light emitted by the xenon lamp is efficiently concentrated on the second focus of the condenser, and the seven lamp units are arranged in an array in the shape of plum petals, and the included angles between the six surrounding lamps and the axis of the middle lamp are all 15 °, and the line connecting each light axis passes through the second focal point of the condenser, so the light of each lamp is uniformly superimposed at the second focal point of the condenser, thereby forming a circular spot with a high irradiance area. By adjusting the individual The number and current of the lamp can be used to achieve different irradiance. The lamp unit fixed on the bracket 10 moves axially along the slide rail 11, and through the position change of the lamp unit in the array, a circular light spot with a changeable irradiation area and irradiance can be formed at the second focal point of the condenser. The processing of high-power xenon lamp 1 and condenser mirror 4 is difficult and precise, and the heat generated by the xenon lamp is very large when it emits light. At the same time, the precision of the condenser mirror is very sensitive to temperature and impurities. The blower 6 enters the xenon lamp adjusting device 7 and the cooling air duct 2 to cool the cathode and anode of the lamp, the bulb 15 and the condenser lens 4 respectively. The seven lamp units are cooled separately, and then by cooling the working environment of the lamp array, the xenon lamp can be guaranteed , Condenser long-term high-precision stable and safe operation. the

Claims (4)

1. A highly concentrated high-power adjustable solar simulation device is characterized in that it includes an optical system, a mechanical system and a cooling system, the cooling system is connected with the optical system, and the optical system is connected with the mechanical system; The optical system includes seven identical lamp units and a matching xenon lamp adjustment device (7), the seven lamp units are arranged on a plane perpendicular to the axis of the middle lamp unit, and the surrounding six lamps are evenly distributed in a 60° arc, Form a uniform plum petal shape; Each lamp unit includes a high-power xenon lamp (1) and a matching condenser lens (4), and each xenon lamp is clamped on the front end of the xenon lamp adjustment device (7) through its own cathode end. the The condenser lens (4) is an ellipsoid reflective type, and its tail is connected to the tail end of the xenon lamp adjustment device (7) through threads, and the front end of the xenon lamp adjustment device (7) is fixed on the support platform (6) through bolt connection above, the support table (6) is fixed on the movable bracket (10) through the channel and bolts, and the bracket (10) and the slide rail (11) are connected together through the channel of the slide rail (11), The slide rail (11) is fixed on the support frame (12), the support frame (12) is fixed on the bracket (13), and the bracket (13) is fixed on the base (14); The seven lamp units are equipped with seven sub-fans (8) respectively, and are adjacent to the tail of the corresponding xenon lamp adjustment device (7). There are five air outlets on each sub-fan (8). The tubes are respectively connected with the xenon lamp adjustment device (7) and four cooling air pipes (2). 3) The round hole on the top is fixed around the mouth near the mirror; the fan (8) is fixed on the fan bracket (9), and the fan bracket (9) is fixed on the bracket (10) by bolts; The mechanical system mainly includes a cable support (5), a cooling duct support (3), a support (10), a slide rail (11) and a bracket (13); the cable support (5) is connected by bolts through grooves Clamped on the edge of the near-mirror port of the condenser (4), and connected to the power supply, the seven brackets (10) are respectively connected to the seven slide rails (11) through the grooves in the slide rails, each lamp unit, fan ( 8) and the xenon lamp adjustment device (7) as a whole can move stably on their respective slide rails; the seven peripheral slide rails are fixed on the bracket (13) at an angle of 15° to the middle slide rail by bolts . the The cooling system includes a distribution fan (8), a xenon lamp adjustment device (7) and a cooling air duct (2). There are seven distribution fans (8) in total. The five air outlets are respectively connected to the five air inlets of the lamp unit, and the five air inlets of the lamp unit are located on the four cooling air ducts (2) and the xenon lamp adjustment device (7). the 2. The highly concentrated high-power adjustable solar simulator system according to claim 1, characterized in that the high-power xenon lamp (1) is a high-power high-voltage short-arc xenon lamp. the 3. The high-power adjustable solar simulation equipment system with high concentration as claimed in claim 1, wherein the bright spot of the xenon lamp is located at the first focal point of the ellipsoidal condenser, and the light emitted by the seven lamps is accurately and efficiently reflected by the condenser , all converge efficiently at the second focal point of the condenser. the 4. The high-power adjustable solar simulation equipment system with high concentration as claimed in claim 1, characterized in that, the optical axes of the six surrounding lights form an angle of 15° with the middle light axis; Move in the direction of the optical axis. the

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