CN207662642U - Equipment capable of simultaneously testing heat absorption and heat extraction performance of ground heat exchanger - Google Patents
Equipment capable of simultaneously testing heat absorption and heat extraction performance of ground heat exchanger Download PDFInfo
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- CN207662642U CN207662642U CN201721813910.7U CN201721813910U CN207662642U CN 207662642 U CN207662642 U CN 207662642U CN 201721813910 U CN201721813910 U CN 201721813910U CN 207662642 U CN207662642 U CN 207662642U
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- temperature sensor
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Abstract
The utility model discloses an equipment that ground heat exchanger inhaled, heat extraction performance can be tested simultaneously, including ground source heat pump host computer, ground source heat pump host computer connects heat absorption operating mode delivery pipe, heat absorption operating mode wet return, heat dissipation operating mode delivery pipe and heat dissipation operating mode wet return, and heat absorption operating mode delivery pipe is connected with first heat preservation water tank, second motorised valve, first temperature sensor and first pressure sensor, and heat absorption operating mode wet return is connected with plate heat exchanger, first motorised valve etc, and heat dissipation operating mode delivery pipe is connected with plate heat exchanger, fourth motorised valve, second heat preservation water tank, third temperature sensor and third pressure sensor, and heat dissipation operating mode wet return is connected with second flowmeter, second water pump, fourth temperature sensor, fourth pressure sensor, P L C control system is connected with remote access platform, and real-time long-range acceptance and storage data the utility model discloses can the while test ground heat exchanger inhale heat extraction performance, effectively avoided the quality problem that appears in the ground pipe work progress.
Description
Technical field
The utility model is related to performance test apparatus more particularly to one kind capable of testing ground heat exchanger suction, row simultaneously
The equipment of hot property.
Background technology
Currently, geothermal heat pump air-conditioner energy-saving effect protrudes, quickly grow.But due to construction technology, construction quality it is inclined
There are many quality problems during underground pipe construction in difference, for example individually buried via hole easily blocks, and there may be streams for certain branch
It measures and less than normal is unsatisfactory for design requirement etc..Since underground pipe belongs to concealed work, can hardly be changed after the completion of construction, in project
If expection is not achieved in the ground-source heat pump system performance evaluation stage effect after final acceptance of construction, match with what is assisted by adjusting heat exchanger
Larger difficulty will be had by setting.It is existing to set therefore, it is necessary to test in advance the suction of ground heat exchanger, heat extraction performance
It is standby that still the suction of ground heat exchanger, heat extraction performance cannot be tested simultaneously.
Utility model content
For the utility model in order to solve the above-mentioned deficiency of the prior art, underground pipe heat exchange can be tested simultaneously by providing one kind
Device inhales, the equipment of heat extraction performance.
The above-mentioned purpose of the utility model is realized by technical solution below：One kind can test underground pipe simultaneously and change
Hot device inhales, the equipment of heat extraction performance, including ground-source heat pump host, the load side water outlet connection heat absorption of the ground-source heat pump host
Operating mode feed pipe, be connected on the heat absorption operating mode feed pipe the first attemperater, the second motor-driven valve, the first temperature sensor and
First pressure sensor, first attemperater is interior to be equipped with the first electric heater, the ground-source heat pump host, the first electrical heating
Device, the second motor-driven valve, the first temperature sensor and first pressure sensor are all connected with PLC control system；First electrical heating
The heating power of device adjusts heating power by the program of PLC control system according to the first temperature sensor measured temperature value size
The unlatching of size, second motor-driven valve is controlled by PLC control system；
The load side water return outlet connection heat absorption operating mode return pipe of the ground-source heat pump host, on the heat absorption operating mode return pipe
It is connected with plate heat exchanger, the first motor-driven valve, third motor-driven valve, first flowmeter, the first water pump, second temperature sensor and
Two pressure sensors, the plate heat exchanger is in parallel with the first motor-driven valve again after connecting with third motor-driven valve, first electricity
Dynamic valve, third motor-driven valve, first flowmeter, the first water pump, second temperature sensor and second pressure sensor are all connected with PLC controls
System processed；The open degree size of first motor-driven valve and third motor-driven valve is passed by PLC control system program according to third temperature
Sensor measured temperature value size is adjusted；
The ground source water outlet connection heat dissipation operating mode feed pipe of the ground-source heat pump host, on the heat dissipation operating mode feed pipe
It is connected with plate heat exchanger, the 4th motor-driven valve, the second attemperater, third temperature sensor and third pressure sensor, it is described
It is equipped with the second electric heater in second attemperater, the 4th motor-driven valve, the second attemperater, third temperature sensor and the
Three pressure sensors are all connected with PLC control system；The heating power of second electric heater by PLC control system program root
Heating power size is adjusted according to third temperature sensor measured temperature value size, the unlatching of the 4th motor-driven valve is controlled by PLC
Device control processed；
The ground source water return outlet connection heat dissipation operating mode return pipe of the ground-source heat pump host, on the heat dissipation operating mode return pipe
It is connected with second flowmeter, the second water pump, the 4th temperature sensor, the 4th pressure sensor, the second flowmeter, the second water
Pump, the 4th temperature sensor, the 4th pressure sensor are all connected with PLC control system.The first flowmeter, second flowmeter and
First temperature sensor, second temperature sensor, third temperature sensor, the 4th temperature sensor and first pressure sensor,
Second pressure sensor, third pressure sensor, the 4th pressure sensor connect the data collection surface inside PLC control system respectively
Plate records and preserves institute's measured data；
The PLC control system is connect with remote access platform, and real time remote receives and stores data.
The utility model compared with prior art the advantages of be：The utility model can test ground heat exchanger suction simultaneously
Heat extraction performance effectively prevents the quality problems occurred during underground pipe construction.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
In figure：1. ground-source heat pump host；2. the first attemperater；3. the first electric heater；4. the first motor-driven valve；5. plate
Formula heat exchanger；6. the second motor-driven valve；7. third motor-driven valve；8. the 4th motor-driven valve；9. first flowmeter；10. the first water pump；11.
Second electric heater；12. second flowmeter；13. the second attemperater；14. the second water pump；15. the first temperature sensor；16.
First pressure sensor；17. second temperature sensor；18. second pressure sensor；19. third temperature sensor；20. third
Pressure sensor；21. the 4th temperature sensor；22. the 4th pressure sensor；23. radiate operating mode feed pipe；24. radiate operating mode
Return pipe；25. absorb heat operating mode feed pipe；26. absorb heat operating mode return pipe；27.PLC control systems；28. remotely accessing platform.
Specific implementation mode
The utility model is described in further detail with reference to embodiment.
As shown in Figure 1, it is a kind of can test simultaneously ground heat exchanger inhale, the equipment of heat extraction performance, including earth source heat pump
Host 1, the load side water outlet connection heat absorption operating mode feed pipe 25 of the ground-source heat pump host 1, the heat absorption operating mode feed pipe
It is connected with the first attemperater 2, the second motor-driven valve 6, the first temperature sensor 15 and first pressure sensor 16 on 25, described
It is equipped with the first electric heater 3 in one attemperater 2, the ground-source heat pump host 1, the first electric heater 3, the second motor-driven valve 6, the
One temperature sensor 15 and first pressure sensor 16 are all connected with PLC control system 27；The heating work(of first electric heater 3
Rate adjusts heating power size by the program of PLC control system 27 according to 15 measured temperature value size of the first temperature sensor,
The unlatching of second motor-driven valve 6 is controlled by PLC control system 27；
The load side water return outlet connection heat absorption operating mode return pipe 26 of the ground-source heat pump host 1, the heat absorption operating mode return water
Plate heat exchanger 5, the first motor-driven valve 4, third motor-driven valve 7, first flowmeter 9, the first water pump 10, second temperature are connected on pipe
Sensor 17 and second pressure sensor 18, the plate heat exchanger 5 connect with third motor-driven valve 7 after again with the first motor-driven valve
4 is in parallel, first motor-driven valve 4, third motor-driven valve 7, first flowmeter 9, the first water pump 10, second temperature sensor 17 and the
Two pressure sensors 18 are all connected with PLC control system 27；The open degree size of first motor-driven valve 4 and third motor-driven valve 7 by
27 program of PLC control system is adjusted according to 19 measured temperature value size of third temperature sensor；
The ground source water outlet connection heat dissipation operating mode feed pipe 23 of the ground-source heat pump host 1, the heat dissipation operating mode supplies water
Plate heat exchanger 5, the 4th motor-driven valve 8, the second attemperater 13, third temperature sensor 19 and third pressure are connected on pipe 23
Sensor 20, second attemperater 13 is interior to be equipped with the second electric heater 11, the 4th motor-driven valve 8, the second attemperater
13, third temperature sensor 19 and third pressure sensor 20 are all connected with PLC control system 27；Second electric heater 11
Heating power adjusts heating power by the program of PLC control system 27 according to 19 measured temperature value size of third temperature sensor
The unlatching of size, the 4th motor-driven valve 8 is controlled by PLC controller；
The ground source water return outlet connection heat dissipation operating mode return pipe 24 of the ground-source heat pump host 1, the heat dissipation operating mode return water
It is connected with second flowmeter 12, the second water pump 14, the 4th temperature sensor 21, the 4th pressure sensor 22 on pipe 24, described
Two flowmeters 12, the second water pump 14, the 4th temperature sensor 21, the 4th pressure sensor 22 are all connected with PLC control system 27.Institute
State first flowmeter 9, second flowmeter 12 and the first temperature sensor 15, second temperature sensor 17, third temperature sensor
19, the 4th temperature sensor 21 and first pressure sensor 16, second pressure sensor 18, third pressure sensor the 20, the 4th
Pressure sensor 22 connects the data acquisition panel of 27 the inside of PLC control system respectively, records and preserves institute's measured data；
The PLC control system 27 is connect with remote access platform 28, and real time remote receives and stores data.
The operation principle of the utility model：The Inlet and outlet water of the one of branch of underground pipe is set to be supplied respectively with heat dissipation operating mode first
Water pipe is connected with return pipe, and the Inlet and outlet water of another branch is connected with the feed pipe of heat absorption operating mode and return pipe respectively, and is connect
Energization source.Then ground-source heat pump host, motor-driven valve 1, motor-driven valve 2 and the first motor-driven valve are opened on the touch screen of PLC controller
4, the inflow temperature t1, the inflow temperature t2 for the operating mode that radiates of heat absorption operating mode are respectively set on the touchscreen.
Heat absorption operating mode：When 1 measured temperature of temperature sensor be less than t1 when, PLC controller automatically open electric heater 1 and
Automatic adjustment heating power makes it maintain setting value t1；When temperature is higher than setting value t1, PLC controller automatic adjustment ground source
The compressor operating number of units of heat pump main frame makes host leaving water temperature maintain setting value t1 to control the cold of offer.
Radiate operating mode：When 3 measured temperature of temperature sensor be less than t2 when, PLC controller automatically open electric heater 2 and
Automatic adjustment heating power makes it maintain setting value t2；When temperature is higher than setting value t2, PLC controller automatic adjustment is electronic
The opening size of valve 1 and 3 makes water of the water less than original ground temperature with temperature higher than t2 pass through plate heat exchanger and exchanges heat, makes
Setting value t2 is maintained by the heat dissipation operating mode water supply after heat exchange.
The above specific embodiments are only exemplary, is to preferably make skilled artisans appreciate that originally
Patent, be not to be construed as include to this patent range limitation；As long as appointing according to made by spirit disclosed in this patent
How with change or modification, the range that this patent includes is each fallen within.
Claims (1)
1. it is a kind of can test simultaneously ground heat exchanger inhale, the equipment of heat extraction performance, including ground-source heat pump host（1）, special
Sign is：The ground-source heat pump host（1）Load side water outlet connection heat absorption operating mode feed pipe（25）, the heat absorption operating mode confession
Water pipe（25）On be connected with the first attemperater（2）, the second motor-driven valve（6）, the first temperature sensor（15）It is passed with first pressure
Sensor（16）, first attemperater（2）Inside it is equipped with the first electric heater（3）, the ground-source heat pump host（1）, first electricity
Heater（3）, the second motor-driven valve（6）, the first temperature sensor（15）And first pressure sensor（16）It is all connected with PLC controls system
System（27）；
The ground-source heat pump host（1）Load side water return outlet connection heat absorption operating mode return pipe（26）, the heat absorption operating mode return water
Plate heat exchanger is connected on pipe（5）, the first motor-driven valve（4）, third motor-driven valve（7）, first flowmeter（9）, the first water pump
（10）, second temperature sensor（17）With second pressure sensor（18）, the plate heat exchanger（5）With third motor-driven valve（7）
Series connection after again with the first motor-driven valve（4）Parallel connection, first motor-driven valve（4）, third motor-driven valve（7）, first flowmeter（9）、
First water pump（10）, second temperature sensor（17）With second pressure sensor（18）It is all connected with PLC control system（27）；
The ground-source heat pump host（1）Ground source water outlet connection heat dissipation operating mode feed pipe（23）, the heat dissipation operating mode water supply
Pipe（23）On be connected with plate heat exchanger（5）, the 4th motor-driven valve（8）, the second attemperater（13）, third temperature sensor（19）
With third pressure sensor（20）, second attemperater（13）Inside it is equipped with the second electric heater（11）, the described 4th is electronic
Valve（8）, the second attemperater（13）, third temperature sensor（19）With third pressure sensor（20）It is all connected with PLC controls system
System（27）；
The ground-source heat pump host（1）Ground source water return outlet connection heat dissipation operating mode return pipe（24）, the heat dissipation operating mode return water
Pipe（24）On be connected with second flowmeter（12）, the second water pump（14）, the 4th temperature sensor（21）, the 4th pressure sensor
（22）, the second flowmeter（12）, the second water pump（14）, the 4th temperature sensor（21）, the 4th pressure sensor（22）
Connect PLC control system（27）；
The PLC control system（27）With remote access platform（28）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721813910.7U CN207662642U (en) | 2017-12-22 | 2017-12-22 | Equipment capable of simultaneously testing heat absorption and heat extraction performance of ground heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721813910.7U CN207662642U (en) | 2017-12-22 | 2017-12-22 | Equipment capable of simultaneously testing heat absorption and heat extraction performance of ground heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207662642U true CN207662642U (en) | 2018-07-27 |
Family
ID=62942787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721813910.7U Active CN207662642U (en) | 2017-12-22 | 2017-12-22 | Equipment capable of simultaneously testing heat absorption and heat extraction performance of ground heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207662642U (en) |
-
2017
- 2017-12-22 CN CN201721813910.7U patent/CN207662642U/en active Active
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