CN207816871U - Ground geo-thermal response test instrument - Google Patents
Ground geo-thermal response test instrument Download PDFInfo
- Publication number
- CN207816871U CN207816871U CN201721690524.3U CN201721690524U CN207816871U CN 207816871 U CN207816871 U CN 207816871U CN 201721690524 U CN201721690524 U CN 201721690524U CN 207816871 U CN207816871 U CN 207816871U
- Authority
- CN
- China
- Prior art keywords
- thermal response
- test instrument
- power supply
- response test
- underground pipe
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
Abstract
The utility model provides a kind of ground geo-thermal response test instrument, including tester host and coupled power supply transverse box, underground pipe, the tester host is using industrial refrigeration piece as the Cooling and Heat Source of test equipment, by power supply transverse box direct current is provided to industrial refrigeration piece, the both ends of underground pipe are linked into the same cold end or same hot junction, the underground pipe that industrial refrigeration piece is formed in tester host and are provided with water circulating pump, total air switch, water filling port.Ground geo-thermal response test instrument provided by the utility model, small, one piece apparatus is light-weight, can realize that permanent cold is discharged to underground pipe, the cold of release can carry out 24 grades and be adjusted.
Description
Technical field
The utility model is related to a kind of test equipments, more particularly, to a kind of ground geo-thermal response test instrument.
Background technology
According to specification GB50366-2005《Ground-source heat pump system engineering legislation》Requirement, closed-loop ground source heat pump system
System requires to carry out ground geo-thermal response test work.
Utility model content
The utility model provides a kind of ground geo-thermal response test instrument, solves following existing for current test equipment ask
Topic：
1) test equipment ontology overall volume：There is the universal volume of test equipment of cold and hot two kinds of functions all very at present
Greatly, use is that Air-Cooled Heat Pump Unit either small water -- water earth source heat pump unit prepares hot and cold water.
2) field work test equipment easily corrodes problem：The utility model internal component uses 506 stainless steels or pure
Copper universal accessories prevent corrosion problem, and shell is using 304 stainless steel laser blankings cutting assembling.
3) internal element control logic problem：The utility model optimizes internal control system logical operation relationship, it is ensured that instrument
Device safety automation reliably operates.
4) data collection problems：The utility model uses the direct real-time storage data of industrial configuration screen, easily operated, data
It shows, store, exporting simple, direct, clear, using a variety of shielding measures, avoiding various disturbing factors to greatest extent.
It is described that its technical solution is as follows：
A kind of ground geo-thermal response test instrument, including tester host and coupled power supply transverse box, underground pipe,
The tester host, as the Cooling and Heat Source of test equipment, is carried by power supply transverse box to industrial refrigeration piece using industrial refrigeration piece
For direct current, the both ends of underground pipe are linked into industrial refrigeration piece is formed in tester host same cold end or same hot junction,
The underground pipe is provided with water circulating pump, total air switch, water filling port.
The tester host power supply uses 380V+N power supplys, is connected to power supply transverse box.
The power supply transverse box uses three-phase five-wire mode wire leading method, and 8 AC220V/DC24V transformations are driven per phase power supply
Device, each transformer drive 1 industrial refrigeration piece.
The semiconductor chilling plate is electric current transducing matrix part, is controlled by input current, for realizing high-precision
Temperature control, and be provided with temperature-detecting device and coupled current control device.
In the tester host industrial refrigeration piece formed same hot junction be connected to calorimeter or connect second set it is buried
Pipe.
The water filling port lower end is provided with filter and check-valves.
The shell of the tester host use 304 stainless steels, convenient for protection equipment prototype part, and effectively prevent because
Corrosion caused by moist or water drenching；The internal water pipeline and valve member of tester host are using stainless steel and copper material and PPR
Pipeline prevents inner wall of the pipe from iron rust occur.
Ground geo-thermal response test instrument provided by the utility model is compared to air-cooled heat pump as main test equipment structure
Small for building, one piece apparatus is light-weight, can realize that permanent cold is discharged to underground pipe, the cold of release can carry out 24
Shelves are adjusted.
Instrument internal Cooling and Heat Source uses cooling piece, is above had the following advantages that and feature in technology application：1, need not appoint
What refrigerant, can continuous work, no pollution sources do not have rotary part, not will produce gyroscopic action, and no slide unit is one
Kind of solid sheet, when work, do not have vibrations, noise, long lifespan, installation easy.2, there are two types of functions for semiconductor chilling plate tool, both
It can freeze, and can heat, refrigerating efficiency is not generally high, but heating efficiency is very high, is always larger than 1.Therefore just using a sheet
It can replace discrete heating system and refrigeration system.3, semiconductor chilling plate is electric current transducing matrix part, passes through input current
Control, it can be achieved that high-precision temperature control, add temperature measurement and control means, it is easy to realize remote control, it is program-controlled, meter
Calculation machine controls, convenient for composition automatic control system.4, semiconductor chilling plate thermal inertia is very small, the cooling and warming time quickly,
In the case of the good cold end zero load of hot-side heat dissipation, as soon as being powered less than minute, cooling piece can reach maximum temperature difference.
Cold by being arranged toward underground pipe, hot moisture migration that can be over the ground during imbedded pipe heat-exchanging is compared.Can compare
The initial temperature of accurate testing soil can eliminate influence of the heat to cold of water pump generation in testing engineering.
Description of the drawings
Fig. 1 is the structural schematic diagram of the ground geo-thermal response test instrument；
Fig. 2 is the structural schematic diagram of the semiconductor chilling plate.
Specific implementation mode
By the work of underground pipe geo-thermal response test for many years (permanent heat to underground pipe heat release test method), and combine domestic
The test software of outer test equipment and universities and colleges, refering to college professor, geological mapping institute and leading public affairs of the same trade
The document of department improves and optimizes existing test method, and the utility model, which realizes permanent cold, to be continued to carry out cold disturb to underground pipe
It is dynamic.Compared to other companies of domestic pharmaceutical industry use method of the air-cooled heat pump as refrigerating capacity, the utility model is related to permanent cold survey
Test instrument bulk volume accurately selects water circulating pump in contrast, volume is much smaller, and multistage is transferred the files water flow, and according to
Electric work rate score when water pump different flow carries out reversed cold counteracting so that it is more accurate that Rock And Soil initial temperature measures.Test
Instrument has the function of cold and hot two kinds, can also both be arranged toward underground heat extraction toward underground cold.Cold or heat extraction is either arranged, most
Whole geo-thermal response test work purpose is to measure Rock And Soil thermal physical property parameter, rather than simulate ground-source heat pump system Summer and winter operating mode.
The acquisition of test equipment data carries out continual data collection task automatically using industrial capacitance plate, can not manually intervene.So that
The data that on-the-spot test obtains are truer, and data acquisition interface is intuitively specific, very clear.
The utility model is applied in the prospecting test job that ground-source heat pump system designs early period, for optimizing earth source heat pump
The outer ground heat exchanger design of system chambers, application range are single U-shaped or double-U-shaped and coaxial sleeve vertical underground pipe.
Test equipment heating-cooling equipment has abandoned conventional net for air-source heat pump units, and uses industrial refrigeration piece as being
The cold heating elements of controlling, and then reduce test equipment bulk volume.Test equipment cancels water tank, and water tank is to cause volume excessive
Another main cause, it is small using common water filling bucket in heating as system water filling port, and can dismantle.It follows
Ring pump suction sump is excessive, and the reason for causing test equipment ontology excessive accurately selects water circulating pump by Multitest,
Multi-gear adjustment flow has been abandoned, unnecessary electric member and control system are reduced.
Test equipment external shell and inner structure part and its installation site size are carried out according to instrument code requirement
Positioning, shell use 304 stainless steels, convenient for protection equipment prototype part, and effectively prevent becoming rusty caused by moist or water drenching
Erosion.Test equipment internal water pipeline and valve member prevent inner wall of the pipe from iron occur using stainless steel and copper material and PPR pipe road
Rust.
Electric-linked device is set inside test equipment, and is run by temperature controller control system, purpose prevents
When water circulating pump breaks down or thinks that operation is made a fault, internal working components are effectively prevent, and then prevent electrical shock safety
The generation of accident.
Operating parameter and data are shown and storage problem, and the utility model is used using industrial configuration king as the soft of platform development
Part is simultaneously integrated on 9 cun of touch screens, is internally integrated database, and data transmission is reliable and stable, and even if in the event of a power failure, is counted
According to will not lose.
Using industrial refrigeration piece as the Cooling and Heat Source of test equipment.Cooling piece generates heat on one side when passing through direct current, on one side
It can freeze, cold and hot test can be carried out at the same time, can also individually carry out permanent heat to underground heat extraction, permanent cold is arranged toward underground
It is cold.
As shown in Figure 1, the ground geo-thermal response test instrument includes tester host and the conversion of coupled power supply
Case, underground pipe, the tester host using industrial refrigeration piece as the Cooling and Heat Source of test equipment, by power supply transverse box to work
Industry cooling piece provides direct current, the both ends of underground pipe be linked into the same cold end that industrial refrigeration piece is formed in tester host or
Same hot junction, the underground pipe are provided with water circulating pump, total air switch, water filling port.
Tester host consists of the following components：Shell 1, semiconductor chilling plate 2, outlet 3, import 4, outlet 3, import
4 are connected to the both ends of the same cold end (hot junction) of semiconductor chilling plate 2, and semiconductor chilling plate 2 is fixed in shell 1, is provided with
When multigroup, cold end or hot junction are connected by stainless-steel pipe, it is unified to make the cold end of semiconductor chilling plate 2 or hot junction.Heat
End is connected with calorimeter 11 by hot junction circulating pump 12.
Underground pipe includes water circulating pump 5, pipeline, water filling port 8, filter 6, valve 7, check-valves 10, total air switch 9,
One end of pipeline is connected to wherein one end of the cold end of tester host by water circulating pump 5, by filter 6 and valve 7, so
Afterwards by extending in underground, but depth L is less than 200 meters, and ground highest point is provided with total air switch 9, for air to be discharged,
The other end of the cold end of tester host is reached by check-valves 10.
Each component is introduced below：
1), shell：Using 304 stainless steels are used, the problem of colliding with that instrument is likely to occur in transportational process is considered,
Thickness uses 1.2mm stainless steels, and intensity, which meets to carry, to be required, and shell is assembled using pulling rivet, is not easy to open, is conducive in protection
Portion's component.
2), cold and hot numerical value metering：Using integral heat meter 11, temperature uses Pt1000 sensors, resolution higher, heat
Amount (contain cold) acquisition by calorimeter according to different water temperatures at a temperature of specific heat capacity, utilize break difference meter to calculate and real-time storage, number
According to more accurate, direct.
3), water circulating pump 5：Using minisize shielding water pump, power is small, and noise is small, quantity of circulating water three keep off it is adjustable, carry out to
When underground pipe heat release, heat loss is small；It is cold being arranged to underground pipe, or when measurement initial temperature, it be according to water pump different capacity
Under, it is corrected with cooling piece.
4), power supply transverse box：Power supply transverse box uses three-phase five-wire mode wire leading method, and 8 AC220V/ are driven per phase power supply
DC24V transformers, each transformer drive 1 cooling piece.
5), external connection attachment：When scene is tested, test equipment needs external connection water lines pipe fitting, uses
PPR25/DN20 interior tooth articulations connect, and form outlet 3 and import 4, and be furnished with D25PPR filters 6, D25PPR valves 7,
D25PPR check-valves 10, the plastics bucket at water filling port 8.
6), semiconductor chilling plate 2 is as extraordinary low-temperature receiver.
As shown in Fig. 2, Cooling and Heat Source of the industrial refrigeration piece 2 as test equipment.Cooling piece when by direct current 23,
It generates heat, can freeze on one side on one side, form cold end 21 and hot junction 22, cold and hot test can be carried out at the same time, can also individually be carried out
Permanent heat is arranged cold to underground heat extraction, permanent cold toward underground.25 both ends of metallic conductor are insulating ceramic films 24, are in metallic conductor 25
N, the cooling piece that P materials are formed.
For the utility model when carrying out ground thermal property test, the effective depth according to underground pipe down tube selects different add
Hot (adding cold) power.Test equipment heats (adding cold) using 24 gears, and every grade of power is 226-316W, is assisted according to international earth source heat pump
The method that can be provided, heating linear meter(lin.m.) power are 50--80w/m,
Water circulating pump 5 is pumped using minisize shielding, maximum power 325w, using maximum power, meets the meter of depth≤200
Turbulent flow requires under pipe laying test case.When measuring Rock And Soil initial temperature, carried out using water pump deep low gear.Reduce water circulating pump
The influence that self-heating heats up to water body, or according to the corresponding power of water pump different stalls, open corresponding refrigerating capacity pair
The cooling piece gear answered.
Calorimeter 11 can directly measure the cold or calorie value applied to underground pipe, without using electrical power calculating side
Method calculates the cold and hot numerical quantity applied.
When test, external pipe connection has connected, filter is arranged at the water filling into system by water filling bucket, water filling bucket lower part
And check-valves.
Operating procedure when test：
Tester host, power supply transverse box, fan coil (external connection attachment) are put into smooth place by levelling of the land
On.Upper plank preferably is padded in tester lower part, height preferably liftoff 200mm prevents harm of the rainwater to equipment, builds tent,
Carry out flashing, wind proofing measure.Check the switch on test equipment ontology all in closed state at this time.
Power cord is connected on power supply transverse box, test equipment power supply can select to use 380V+N power supplys.
In tester host main body when external connection underground pipe, it is attached using external accessory.
It send external power supply to total air switch to power supply transverse box, then pushes up air switch, rotary switch
Stop for the startup of control loop water pump, clockwise turns to unlatching, rotate to be closing counterclockwise.
By the quick coupling pipe collar of equipment institute band and underground pipe hot-melt adhesive paste.
Bucket is wound into raw material band, is connect with equipment water filling port.Then system starts slow water filling.It is checked in the injecting process
Whether leak source is had, if not provided, carrying out rubber and plastic heat preservation to exposed parts, blend compounds band twines.
When water filling, when bucket does not have bubble, crawl water pump, it is found that bucket also has bubble and emerges, and continues crawl water pump,
Continue to be vented, the bubble in system is discharged.
After the completion of exhaust, continue ON cycle water pump, at this time " flow value " on configuration liquid crystal display inside test interface this
One should have numerical value, otherwise illustrate that exhaust is not thorough.Then the initial temperature of start recording Rock And Soil, after twenty minutes, according to
Test purpose and requirement, open electrical heating (or electricity refrigeration) electrical heating and electricity refrigeration is divided into 24 grades, need to calculate required heating
Amount and refrigerating capacity are opened one by one.
Claims (7)
1. a kind of ground geo-thermal response test instrument, it is characterised in that：It is converted including tester host and coupled power supply
Case, underground pipe, the tester host using industrial refrigeration piece as the Cooling and Heat Source of test equipment, by power supply transverse box to work
Industry cooling piece provides direct current, the both ends of underground pipe be linked into the same cold end that industrial refrigeration piece is formed in tester host or
Same hot junction, the underground pipe are provided with water circulating pump, total air switch, water filling port.
2. ground geo-thermal response test instrument according to claim 1, it is characterised in that：The tester host power supply uses
380V+N power supplys, are connected to power supply transverse box.
3. ground geo-thermal response test instrument according to claim 1, it is characterised in that：The power supply transverse box uses three-phase
Five-wire system wire leading method drives 8 AC 220V/DC 24V transformers, each transformer to drive 1 industrial refrigeration per phase power supply
Piece.
4. ground geo-thermal response test instrument according to claim 1, it is characterised in that：The industrial refrigeration piece is that electric current changes
Can matrix part, controlled by input current, for realizing high-precision temperature control, and be provided with temperature-detecting device and
Coupled current control device.
5. ground geo-thermal response test instrument according to claim 1, it is characterised in that：Industry system in the tester host
The same hot junction of cold formation is connected to calorimeter or connects second set of underground pipe.
6. ground geo-thermal response test instrument according to claim 1, it is characterised in that：The water filling port lower end was provided with
Filter and check-valves.
7. ground geo-thermal response test instrument according to claim 1, it is characterised in that：The shell of the tester host is adopted
With 304 stainless steels, convenient for protection equipment prototype part, and it effectively prevent the corrosion caused by moist or water drenching；Tester master
The internal water pipeline and valve member of machine prevent inner wall of the pipe from iron rust occur using stainless steel and copper material and PPR pipe road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721690524.3U CN207816871U (en) | 2017-12-07 | 2017-12-07 | Ground geo-thermal response test instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721690524.3U CN207816871U (en) | 2017-12-07 | 2017-12-07 | Ground geo-thermal response test instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207816871U true CN207816871U (en) | 2018-09-04 |
Family
ID=63334222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721690524.3U Active CN207816871U (en) | 2017-12-07 | 2017-12-07 | Ground geo-thermal response test instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207816871U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115791872A (en) * | 2023-01-30 | 2023-03-14 | 天津地热开发有限公司 | Heat transfer analysis method and system for ground heat exchanger |
-
2017
- 2017-12-07 CN CN201721690524.3U patent/CN207816871U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115791872A (en) * | 2023-01-30 | 2023-03-14 | 天津地热开发有限公司 | Heat transfer analysis method and system for ground heat exchanger |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Montagud et al. | Analysis of the energy performance of a ground source heat pump system after five years of operation | |
| CN102680515B (en) | Device for simulating ground source heat pump | |
| CN201828289U (en) | Operating parameter monitor for ground source heat pump system | |
| CN102288638A (en) | Ground source heat pump thermal response testing system based on PLC (Programmable Logic Controller) | |
| CN203502242U (en) | Heat pump product test and application demonstration system | |
| CN101105467A (en) | Soil thermal conductivity factor detection device and its method | |
| CN207816871U (en) | Ground geo-thermal response test instrument | |
| CN205879561U (en) | Wet transmission performance simulating measurement setup of U type ground pipe laying heat exchanger heat | |
| CN204808042U (en) | Novel temperature controller testboard | |
| CN203396430U (en) | Portable monitoring instrument for ground source heat pump | |
| CN204694654U (en) | The hot physical property of combined type ground source heat pump rock-soil and underground pipe heat exchange tester | |
| CN203299154U (en) | Variable-frequency heat pump type rock-soil thermophysical property tester | |
| CN201917538U (en) | Testing instrument and testing vehicle for testing thermal physical performance of soil based on ground source heat pump | |
| CN201885985U (en) | Tester for in-situ formation thermal property and ground pipe transferred heat of ground source heat pump | |
| CN106017744A (en) | Device and method for testing heat exchange amount and thermophysical performance in binary-state heat exchange of buried pipe and rock-soil | |
| CN205593953U (en) | Portable earth source heat pump ground pipe laying branch road heat transfer performance detector | |
| CN206573305U (en) | In-situ tester for heat bearing of branch of vertical buried pipe heat exchanger | |
| CN103115937B (en) | A kind of porous medium aquifer water-thermal coupling sand launder physical model experiment system | |
| CN201837887U (en) | Ground source heat pump low grade heat source thermal response remote testing device | |
| CN202305449U (en) | Ground source heat pump response test system based on PLC (Programmable Logic Controller) | |
| CN102175715A (en) | Thermal response testing method and device of dual-condition rock and soil mass | |
| CN204789426U (en) | Thermal -insulated effect testing arrangement of building wall phase transition heat preservation system heat preservation | |
| CN112903332A (en) | Multifunctional ground source heat pump system test bed | |
| CN206378443U (en) | Ground geo-thermal response test instrument | |
| CN209639984U (en) | A kind of earth source heat pump heat exchange simulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |