CN206114273U - Solar collector automatic tracking testing arrangement - Google Patents

Solar collector automatic tracking testing arrangement Download PDF

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Publication number
CN206114273U
CN206114273U CN201621042317.2U CN201621042317U CN206114273U CN 206114273 U CN206114273 U CN 206114273U CN 201621042317 U CN201621042317 U CN 201621042317U CN 206114273 U CN206114273 U CN 206114273U
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heat collector
water pump
automatic tracking
collector
solar thermal
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CN201621042317.2U
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王艳霞
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Shenzhen Intertek Quality Technology Service Co Ltd
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Shenzhen Intertek Quality Technology Service Co Ltd
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Abstract

The utility model relates to a solar collector automatic tracking testing arrangement, including installing support and stand, among this solar collector automatic tracking testing arrangement, provide the power supply for whole device through the water pump, provide the supply of circulating water, frequency conversion control plays the effect of steady pressure flow to the flow that makes the device test period stable the setting value 1% within, improved the reliability of device, and, add nice and warm cooling through refrigeration mechanism and the heating control mechanism temperature in to the pipeline, carry out accurate monitoring to temperature everywhere through temperature sensor simultaneously, the fluctuation of messenger's temperature has further improved the reliability of installing no longer than 0.1 DEG C, moreover, carry out accurate monitoring to solar position through sundial and irradiatometer, carry out accurate monitoring to wind speed and wind direction through three cup type wind speed measuring apparatus, can rotate in horizontal direction and vertical direction through heat collector tracking mechanism again, guarantee that the heat collector can rotate by the automatic tracking sun.

Description

A kind of automatic tracking and testing device of solar thermal collector
Technical field
This utility model is related to a kind of automatic tracking and testing device of solar thermal collector.
Background technology
Before solar thermal collector puts goods on the market, it is required for carrying out which reliable detection of performance.Surveying for laboratory In the test device of examination solar thermal collector, test device is divided into water route control and board controls two parts.To be solved is main Technical problem is:A, water route control, it is ensured that closed loop test system four temperature cases are stablized.Inlet temperature is from 10 DEG C to 90 DEG C, it is ensured that inlet temperature ± 0.1 degree, range of flow are from 0 to 10L/min, stable ± 1%;B, board control, it is ensured that it is outdoor with Track board tracking accuracy reaches the tracking accuracy of daytime ± 1 degree.
And in the test device of existing solar thermal collector, open-loop control system is used, cause temperature, flow not It is stable, reduce the reliability of test device;And device institute water requirement is big, heats up between operating mode or temperature fall time is long, lead Cause water temperature and flow control accuracy inadequate;Outdoor board auto-control controlling extent not enough, and is manuallyd locate and is difficult control Ensure that the tracking sun is in ± 1 degree of scope in test period, so as to reduce the reliability of device.
Utility model content
The technical problems to be solved in the utility model is:In order to overcome the deficiencies in the prior art, there is provided a kind of solar energy collection The automatic tracking and testing device of hot device.
This utility model solves the technical scheme adopted by its technical problem:A kind of solar thermal collector is surveyed from motion tracking Trial assembly is put, and including mounting bracket and column, the top of the column is provided with heat collector follower, and the column passes through heat collector Follower is connected with mounting bracket;
The mounting bracket is provided with two pieces of heat collectors, and two pieces of heat collectors are connected with closed cycle control system, institute Stating closed cycle control system includes waterway mechanism, refrigeration mechanism, heating control mechanisms, temperature acquisition mechanism, stability of flow machine Structure, differential pressure measurement mechanism, irradiance measurement mechanism, measuring wind speed mechanism and pipeline mechanism, the waterway mechanism pass through pipeline machine Structure is connected with heat collector, and the irradiance measurement mechanism and measuring wind speed mechanism are arranged on heat collector, the refrigeration mechanism, It is in-house and equal that heating control mechanisms, temperature acquisition mechanism, stability of flow mechanism and differential pressure measurement mechanism are arranged at pipeline It is connected with waterway mechanism;
The waterway mechanism includes water tank and water pump, and the water pump is connected with water tank, and the water pump is by heating control Mechanism processed is connected with heat collector, and the water pump is connected with heat collector by refrigeration mechanism;
The refrigeration mechanism includes heat exchanger, and the water pump is connected with heat collector by heat exchanger;
The heating control mechanisms include first order heater and second level heater, and the water pump passes sequentially through One-level heater and second level heater are connected with heat collector;
The stability of flow mechanism includes constant pressure valve and expansion valve, and the constant pressure valve is arranged on the two ends of water pump, described swollen Swollen valve is arranged between water pump and first order heater;
The differential pressure measurement mechanism includes the first differential pressure pickup and the second differential pressure pickup, first differential pressure pickup The exit of heat collector is arranged on, second differential pressure pickup is arranged on the porch of heat collector;
The heat collector follower include the first motor, vertically arranged drive shaft, horizontally disposed bearing and Two cylinders, first motor are connected with bearing by drive shaft, and two cylinders are located at the top of bearing, The cylinder is connected by the piston rod of cylinder and mounting bracket.
Preferably, in order to ensure safety and stability when running, the waterway mechanism also includes air bleeding valve, safety Valve, the air bleeding valve are arranged on the exit of heat collector, and the relief valve is arranged between heat exchanger and water pump.
Preferably, the stability in order to ensure waterway circulating, the waterway mechanism is also including vacuum tank, the vacuum tank Connect with water tank and water pump respectively.
Preferably, in order to ensure water heating more stable, the heat collector and second into temperature during heat collector later Insulating tube is provided between level heater.
Preferably, the pipeline mechanism includes pipeline.
Preferably, in order to ensure to carry out the temperature in pipeline accurate detection, the temperature acquisition mechanism includes temperature Sensor, the temperature sensor are arranged in pipeline.
Preferably, in order to accurately be monitored to the real time position of the sun, the irradiance measurement mechanism includes corona And irradiatometer, the corona and irradiatometer are arranged on heat collector.
Preferably, in order to ensure accurately to monitor the wind speed and direction around device, the measuring wind speed mechanism Including three cup type air speed measuring apparatus, the three cup type air speed measuring apparatus are arranged on heat collector.
Preferably, for the intervention of perfect warning system, the display directly perceived of alert interface, making tester quick Solution test mode and remover apparatus failure, the closed cycle control system also include alarm mechanism and display interface, described Alarm mechanism is speaker.
The beneficial effects of the utility model are, in the automatic tracking and testing device of the solar thermal collector, by water pump to whole Individual device provides power source, there is provided the supply of recirculated water, VFC, plays a part of steady pressure flow, so that device Flow it is stable within ± the 1% of setting value during testing, improve the reliability of device;And, by refrigeration mechanism The water temperature in pipeline is heated and lowered the temperature with heating control mechanisms, while carrying out essence to temperature everywhere through temperature sensor Really monitor, and export temperature control unit, control the power of heating, make temperature stabilization in setting value, fluctuation is less than ± 0.1 DEG C, further increase the reliability of device;Moreover, the position of the sun is accurately supervised by corona and irradiatometer Survey, wind speed and direction is accurately monitored by three cup type air speed measuring apparatus, then can be in water through heat collector follower Square to rotating with vertical direction, it is ensured that heat collector can be rotated from the motion tracking sun.
Description of the drawings
With reference to the accompanying drawings and examples this utility model is further illustrated.
Fig. 1 is the structural representation of the automatic tracking and testing device of solar thermal collector of the present utility model;
Fig. 2 is the system of the closed cycle control system of the automatic tracking and testing device of solar thermal collector of the present utility model Schematic diagram;
Fig. 3 is that the structure of the heat collector follower of the automatic tracking and testing device of solar thermal collector of the present utility model is shown It is intended to;
In figure:1. column, 2. the first differential pressure pickup, 3. air bleeding valve, 4. pipeline, 5. heat collector, 6. heat exchanger, 7. safety Valve, 8. vacuum tank, 9. water tank, 10. water pump, 11. constant pressure valves, 12. expansion valves, 13. first order heaters, 14. second level Heater, 15. insulating tubes, 16. temperature sensors, 17. 3 cup type air speed measuring apparatus, 18. second differential pressure pickups, 19. days Sundial, 20. irradiatometers, 21. mounting brackets, 22. piston rods, 23. first motors, 24. drive shafts, 25. bearings, 26. cylinders.
Specific embodiment
This utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram, Basic structure of the present utility model is only illustrated in a schematic way, therefore which only shows the composition relevant with this utility model.
As shown in Figure 1-Figure 3, a kind of automatic tracking and testing device of solar thermal collector, including mounting bracket 21 and column 1, The top of the column 1 is provided with heat collector follower, and the column 1 is driven with mounting bracket 21 by heat collector follower Connection;
The mounting bracket 21 is provided with two pieces of heat collectors 5, and two pieces of heat collectors 5 are connected with closed cycle control system System, the closed cycle control system include that waterway mechanism, refrigeration mechanism, heating control mechanisms, temperature acquisition mechanism, flow are steady Determine mechanism, differential pressure measurement mechanism, irradiance measurement mechanism, measuring wind speed mechanism and pipeline mechanism, the waterway mechanism is by pipe Road mechanism is connected with heat collector 5, and the irradiance measurement mechanism and measuring wind speed mechanism are arranged on heat collector 5, the system Cold structure, heating control mechanisms, temperature acquisition mechanism, stability of flow mechanism and differential pressure measurement mechanism are arranged in pipeline mechanism Portion and it is connected with waterway mechanism;
The waterway mechanism includes water tank 9 and water pump 10, and the water pump 10 is connected with water tank 9, and the water pump 10 leads to Cross heating control mechanisms to connect with heat collector 5, the water pump 10 is connected with heat collector 5 by refrigeration mechanism;
The refrigeration mechanism includes heat exchanger 6, and the water pump 10 is connected with heat collector 5 by heat exchanger 6;
The heating control mechanisms include first order heater 13 and second level heater 14, and the water pump 10 is successively Connected with heat collector 5 by first order heater 13 and second level heater 14;
The stability of flow mechanism includes constant pressure valve 11 and expansion valve 12, and the constant pressure valve 11 is arranged on the two of water pump 10 End, the expansion valve 12 are arranged between water pump 10 and first order heater 13;
The differential pressure measurement mechanism includes the first differential pressure pickup 2 and the second differential pressure pickup 18, and first pressure reduction is passed Sensor 2 is arranged on the exit of heat collector 5, and second differential pressure pickup 18 is arranged on the porch of heat collector 5;
The heat collector follower include the first motor 23, vertically arranged drive shaft 24, horizontally disposed Seat 25 and two cylinders 26, first motor 23 are connected with bearing 25 by drive shaft 24, two cylinders 26 tops for being located at bearing 25, the cylinder 26 are connected with mounting bracket 21 by the piston rod 22 of cylinder 26.
Preferably, in order to ensure safety and stability when running, the waterway mechanism also includes air bleeding valve 3, peace Full valve 7, the air bleeding valve 3 are arranged on the exit of heat collector 5, and the relief valve 7 is arranged between heat exchanger 6 and water pump 10.
Preferably, the stability in order to ensure waterway circulating, the waterway mechanism is also including vacuum tank 8, the voltage stabilizing Tank 8 is connected with water tank 9 and water pump 10 respectively.
Preferably, temperature is more stable during in order to enter heat collector 5 after ensureing water heating, the heat collector 5 and the Insulating tube 15 is provided between two grades of heaters 14.
Preferably, the pipeline mechanism includes pipeline 4.
Preferably, in order to ensure to carry out the temperature in pipeline 4 accurate detection, the temperature acquisition mechanism includes temperature Sensor 16, the temperature sensor 16 are arranged in pipeline 4.
Preferably, in order to accurately be monitored to the real time position of the sun, the irradiance measurement mechanism includes corona 19 and irradiatometer 20, the corona 19 and irradiatometer 20 are arranged on heat collector 5.
Preferably, in order to ensure accurately to monitor the wind speed and direction around device, the measuring wind speed mechanism Including three cup type air speed measuring apparatus 17, the three cup type air speed measuring apparatus 17 are arranged on heat collector 5.
Preferably, for the intervention of perfect warning system, the display directly perceived of alert interface, making tester quick Solution test mode and remover apparatus failure, the closed cycle control system also include alarm mechanism and display interface, described Alarm mechanism is speaker.
In the automatic tracking and testing device of the solar thermal collector, using closed cycle control system, whole system is by water Mechanism, refrigeration mechanism, heating control mechanisms, temperature acquisition mechanism, stability of flow mechanism, differential pressure measurement mechanism, irradiance measurement Mechanism, measuring wind speed mechanism and pipeline mechanism composition.
Waterway mechanism includes water tank 9 and water pump 10, power source of the water pump 10 as whole system, there is provided the confession of recirculated water Give, VFC, play a part of steady pressure flow.Water is through water pump 10 and water tank 9 again in heating control mechanisms First order heater 13 and second level heater 14, carry out two-step heating, output to heat collector 5,5 backwater temperature of heat collector Degree is exchanged heat by the heat exchanger 6 of refrigeration mechanism, is entered back into water pump 10, is thus constantly used water circulation again.Waterway mechanism is installed Relief valve 7 and air bleeding valve 3, it is ensured that safety and stability during operation.Wherein, first order heater 13 and the second level add Thermal 14, is embedded in system by special, by the temperature stabilization of recirculated water in setting value
Constant pressure valve 11 and expansion valve 12 are provided with stability of flow mechanism, for ensureing the stability of flow.
Heating control mechanisms are by by temperature sensor 16 pairs, temperature is accurately monitored everywhere, and export temperature control Unit, controls the power of heating, makes temperature stabilization in setting value, and fluctuation is less than ± 0.1 DEG C.
In differential pressure measurement mechanism, the measurement of pressure reduction is mainly by 18 groups of the first differential pressure pickup 2 and the second differential pressure pickup Into the second differential pressure pickup 18 is between 5 entrance of inlet temperature measurement point and heat collector;The low pressure of the first differential pressure pickup 2 is surveyed Amount point is exported and outlet temperature measurement point between installed in heat collector;Second differential pressure pickup 18 accurately measures entering for heat collector Mouth pressure, and computer is transferred data to, if appearance of abnormal pressure, software can be reported to the police and be pointed out operator;The test of pressure drop By differential pressure pickup measure, the 0-25kPa of range ability of differential pressure pickup, precision 0.2%, can by the entrance of heat collector 5 with go out Computer is accurately measured and is transferred in the pressure drop of mouth, and resolution can be shown to 10Pa to 0.01kPa;
Measuring wind speed mechanism is core by three cup type air speed measuring apparatus 17, and three cup type air speed measuring apparatus 17 are installed in heat collector In the plane of 5 testboard bays, together with irradiatometer 20, the wind speed on heat collector 5 surface is gathered in real time;When wind speed is more than 5M/S When, alarm simultaneously allows operator to operate;When 2M/S is less than such as wind speed, can also point out to start and force air exhausting device, it is ensured that wind Speed is in the range of measurement, it is ensured that test can be smoothly completed.Software-controllable system can be selected without wind speed when wind speed is unstable Adjusting means.
Irradiance measurement mechanism includes corona 19 and irradiatometer 20.
Mounting bracket 21 both horizontally and vertically can be rotated by heat collector follower, it is ensured that heat collector 5 After restocking, 5 lowest point of heat collector is no less than 0.5m apart from ground, and installation site is more than 2m apart from roof edge.Heat collector is tracked Mechanism can make the rotation that mounting bracket 21 makees 0-360 degree in the horizontal direction, make 0-80 degree of rotation in vertical direction.Irradiance is surveyed Measuring mechanism first calculates a standard angle by formula according to the longitude and latitude of each place, then further according to real-time solar irradiation Amount, calculates accurate angle by rack-mount sensor, while rotating from the motion tracking sun.
Use of the binding test example to this device is illustrated:
The equipment is capable of achieving the test of heat collector 5, is now described as follows the test process of heat collector 5;
1) according to display interface monitors environment temperature, calculate the first operating mode temperature required.
2) the first operating mode of inputting interface write is temperature required, while input test flow, starts heating control mechanisms and system Cold structure.
3) system adjust automatically heating power and heat exchange flow, control leaving water temperature is to setting value.Start from motion tracking system System.
4) stable in outlet water temperature, into test phase.
5) run 15 minutes, period system automatic data collection, leaving water temperature of intaking, ambient temperature, irradiance, demeanour, flow.
6) terminate test.
7) repeating above step carries out next working condition measurement.
Compared with prior art, in the automatic tracking and testing device of the solar thermal collector, whole device is given by water pump 10 There is provided power source, there is provided the supply of recirculated water, VFC, play a part of steady pressure flow, so that the flow of device It is stable within ± the 1% of setting value during testing, improve the reliability of device;And, by refrigeration mechanism and heating Controlling organization is heated and is lowered the temperature to the water temperature in pipeline 4, while temperature is carried out accurately everywhere through temperature sensor 16 pairs Monitoring, and temperature control unit is exported, the power of heating being controlled, makes temperature stabilization in setting value, fluctuation is less than ± 0.1 DEG C, further increase the reliability of device;Moreover, the position of the sun is carried out accurately by corona 19 and irradiatometer 20 Monitoring, is accurately monitored to wind speed and direction by three cup type air speed measuring apparatus 17, then can through heat collector follower Both horizontally and vertically rotate, it is ensured that heat collector 5 can be rotated from the motion tracking sun.
With it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, by above-mentioned description, related work people Member can carry out various change and modification completely in the range of without departing from this utility model technological thought.This reality The content being not limited to new technical scope in description, it is necessary to its technology is determined according to right Property scope.

Claims (9)

1. the automatic tracking and testing device of a kind of solar thermal collector, it is characterised in that including mounting bracket (21) and column (1), The top of the column (1) is provided with heat collector follower, and the column (1) is by heat collector follower and mounting bracket (21) it is connected;
The mounting bracket (21) is provided with two pieces of heat collectors (5), and two pieces of heat collectors (5) are connected with closed cycle control system System, the closed cycle control system include that waterway mechanism, refrigeration mechanism, heating control mechanisms, temperature acquisition mechanism, flow are steady Determine mechanism, differential pressure measurement mechanism, irradiance measurement mechanism, measuring wind speed mechanism and pipeline mechanism, the waterway mechanism is by pipe Road mechanism is connected with heat collector (5), and the irradiance measurement mechanism and measuring wind speed mechanism are arranged on heat collector (5), institute State refrigeration mechanism, heating control mechanisms, temperature acquisition mechanism, stability of flow mechanism and differential pressure measurement mechanism and be arranged at pipeline machine It is connected inside structure and with waterway mechanism;
The waterway mechanism includes water tank (9) and water pump (10), and the water pump (10) is connected with water tank (9), the water pump (10) connected with heat collector (5) by heating control mechanisms, the water pump (10) is connected with heat collector (5) by refrigeration mechanism;
The refrigeration mechanism includes heat exchanger (6), and the water pump (10) is connected with heat collector (5) by heat exchanger (6);
The heating control mechanisms include first order heater (13) and second level heater (14), the water pump (10) according to It is secondary to be connected with heat collector (5) by first order heater (13) and second level heater (14);
The stability of flow mechanism includes constant pressure valve (11) and expansion valve (12), and the constant pressure valve (11) is arranged on water pump (10) Two ends, the expansion valve (12) are arranged between water pump (10) and first order heater (13);
The differential pressure measurement mechanism includes the first differential pressure pickup (2) and the second differential pressure pickup (18), and first pressure reduction is passed Sensor (2) is arranged on the exit of heat collector (5), and second differential pressure pickup (18) is arranged on the entrance of heat collector (5) Place;
The heat collector follower include the first motor (23), vertically arranged drive shaft (24), horizontally disposed Seat (25) and two cylinders (26), first motor (23) are connected with bearing (25) by drive shaft (24), and two The individual cylinder (26) is propped up with installing by the piston rod (22) of cylinder (26) positioned at the top of bearing (25), the cylinder (26) Frame (21) is connected.
2. the automatic tracking and testing device of solar thermal collector as claimed in claim 1, it is characterised in that the waterway mechanism is also Including air bleeding valve (3), relief valve (7), the air bleeding valve (3) is arranged on the exit of heat collector (5), and the relief valve (7) sets Put between heat exchanger (6) and water pump (10).
3. the automatic tracking and testing device of solar thermal collector as claimed in claim 1, it is characterised in that the waterway mechanism is also Including vacuum tank (8), the vacuum tank (8) is connected with water tank (9) and water pump (10) respectively.
4. the automatic tracking and testing device of solar thermal collector as claimed in claim 1, it is characterised in that the heat collector (5) Insulating tube (15) is provided between second level heater (14).
5. the automatic tracking and testing device of solar thermal collector as claimed in claim 1, it is characterised in that the pipeline machine Structure includes pipeline (4).
6. the automatic tracking and testing device of solar thermal collector as claimed in claim 5, it is characterised in that temperature acquisition mechanism wraps Temperature sensor (16) is included, the temperature sensor (16) is arranged in pipeline (4).
7. the automatic tracking and testing device of solar thermal collector as claimed in claim 1, it is characterised in that the irradiance measurement Mechanism includes that corona (19) and irradiatometer (20), the corona (19) and irradiatometer (20) are arranged on heat collector (5).
8. the automatic tracking and testing device of solar thermal collector as claimed in claim 1, it is characterised in that the measuring wind speed machine Structure includes three cup type air speed measuring apparatus (17), and the three cup type air speed measuring apparatus (17) are arranged on heat collector (5).
9. the automatic tracking and testing device of solar thermal collector as claimed in claim 1, it is characterised in that the closed cycle control System processed also includes alarm mechanism and display interface, and the alarm mechanism is speaker.
CN201621042317.2U 2016-09-07 2016-09-07 Solar collector automatic tracking testing arrangement Active CN206114273U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621042317.2U CN206114273U (en) 2016-09-07 2016-09-07 Solar collector automatic tracking testing arrangement

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Application Number Priority Date Filing Date Title
CN201621042317.2U CN206114273U (en) 2016-09-07 2016-09-07 Solar collector automatic tracking testing arrangement

Publications (1)

Publication Number Publication Date
CN206114273U true CN206114273U (en) 2017-04-19

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CN201621042317.2U Active CN206114273U (en) 2016-09-07 2016-09-07 Solar collector automatic tracking testing arrangement

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109883072A (en) * 2019-03-29 2019-06-14 中国建筑科学研究院有限公司 Movable testing device for medium-temperature solar thermal collector
CN114166537A (en) * 2021-11-09 2022-03-11 Omexell(济南)传热技术有限公司 Heat exchanger unit and detection method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109883072A (en) * 2019-03-29 2019-06-14 中国建筑科学研究院有限公司 Movable testing device for medium-temperature solar thermal collector
CN109883072B (en) * 2019-03-29 2024-04-09 中国建筑科学研究院有限公司 Movable testing device for medium-temperature solar heat collector
CN114166537A (en) * 2021-11-09 2022-03-11 Omexell(济南)传热技术有限公司 Heat exchanger unit and detection method thereof

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