CN206114273U - Solar collector automatic tracking testing arrangement - Google Patents
Solar collector automatic tracking testing arrangement Download PDFInfo
- 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
- Authority
- CN
- China
- Prior art keywords
- heat collector
- water pump
- automatic tracking
- collector
- solar thermal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
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
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.
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 |
Applications Claiming Priority (1)
| 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 |
Family
ID=58520594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621042317.2U Active CN206114273U (en) | 2016-09-07 | 2016-09-07 | Solar collector automatic tracking testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206114273U (en) |
Cited By (2)
| 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 |
-
2016
- 2016-09-07 CN CN201621042317.2U patent/CN206114273U/en active Active
Cited By (3)
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101587025B (en) | Test system and test method for solar heat collector | |
| CN103592142A (en) | System for testing heat transfer and resistance characteristics of large-size generating equipment heat exchanger | |
| CN100501366C (en) | Apparatus and method for quick measurement of heat performance of solar heat collector | |
| CN102426092B (en) | Hydrogen bubble flow display technology-based boundary layer visual test device | |
| CN103115749B (en) | Dynamic testing device and dynamic testing method for thermal performances of groove-type solar collector | |
| CN206906293U (en) | A kind of external window of building thermal insulation performance detection device | |
| CN206114273U (en) | Solar collector automatic tracking testing arrangement | |
| CN109855843B (en) | Dynamic test device and method for efficiency of parabolic trough type solar collector | |
| CN108302026A (en) | A kind of high-temperature long-shaft pump for liquid salts performance detection testing bench | |
| CN108951724B (en) | Energy pile test monitoring system and test method | |
| CN104777008B (en) | A kind of power-plant flue gas afterheat utilizing system performance simulation experimental apparatus for testing | |
| CN203479550U (en) | System suitable for testing heat transfer and resistance characteristics of heat exchanger of large-scale generating equipment | |
| CN204154469U (en) | Rotating flow mechanical experimental system setup | |
| CN109186815A (en) | A kind of low temperature High Mach number detecting probe temperature calibration device | |
| CN113551929B (en) | Testing system and testing method for unsteady-state heat source heat storage and exchange device | |
| CN205227501U (en) | Intelligence caliduct device based on singlechip | |
| CN102539470A (en) | Integrated detection system for thermal performance of lower-medium vacuum compound insulation pipeline and application of integrated detection system | |
| CN102830730B (en) | System and method for intelligent water supply temperature control test | |
| CN204514629U (en) | A kind of power-plant flue gas bootstrap system performance simulation experimental apparatus for testing | |
| CN104280257A (en) | Heat exchange capability testing equipment of underground heat exchanger of ground source heat pump | |
| CN218297599U (en) | Laboratory thermal performance detection equipment for solar water heating system | |
| CN102175715A (en) | Thermal response testing method and device of dual-condition rock and soil mass | |
| CN102507229B (en) | Warmer box-type experimental device | |
| CN114001881A (en) | Building door and window air tightness detecting system | |
| CN207197490U (en) | A kind of meteorological observatory for detecting position of sun |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |