CN201917538U - Testing instrument and testing vehicle for testing thermal physical performance of soil based on ground source heat pump - Google Patents
Testing instrument and testing vehicle for testing thermal physical performance of soil based on ground source heat pump Download PDFInfo
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- CN201917538U CN201917538U CN2010206942263U CN201020694226U CN201917538U CN 201917538 U CN201917538 U CN 201917538U CN 2010206942263 U CN2010206942263 U CN 2010206942263U CN 201020694226 U CN201020694226 U CN 201020694226U CN 201917538 U CN201917538 U CN 201917538U
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Abstract
The utility model relates to a testing instrument and a testing vehicle for testing the thermal physical performance of oil based on a ground source heat pump. The testing instrument comprises a variable-frequency heat pump unit, a first closed loop and a second closed loop, wherein the variable-frequency heat pump unit consists of a condenser, a variable-frequency compressor, an evaporator and a throttling element which are connected in turn through a pipeline; the first closed loop is formed by connecting a first variable-frequency water pump, a first temperature sensor, a first electromagnetic flow meter, a first buried pipe and a second temperature sensor from the hot water outlet end of the condenser to the cold water inlet end of the condenser in turn through a pipeline; and the second closed loop is formed by connecting a second variable-frequency water pump, a third temperature sensor, a second electromagnetic flow meter, a second buried pipe and a fourth temperature sensor from the cold water outlet end of the evaporator to the hot water inlet end of the evaporator in turn through a pipeline. The testing instrument overcomes the limitation of the conventional testing method, can be used for testing without being influenced by outdoor temperature, has an easy principle and a compact structure, and is easy and convenient to operate, and the equipment quantity is reduced.
Description
Technical field
The utility model relate to a kind of heat exchange property that is used to test the earth-source hot-pump system underground heat exchanger and the hot rerum natura of soil can tester, and test carriage.
Background technology
Earth-source hot-pump system is as the systems technology of a green, energy-saving and environmental protection, in cold and heat source system, use more and more widely, but since the shallow-layer geologic information shortage, make that the research of underground heat exchanger is the difficult point of ground source heat pump technology always.But underground heat exchanger is the basis of earth-source hot-pump system core and application, so the test of underground heat exchanger and research are considerable, can test the heat exchange property of multi-form underground heat exchanger and the hot rerum natura of soil, engineering emulation, engineering design to earth-source hot-pump system provide guidance and data support, so the R and D of test macro are imperative.
The hot rerum natura of the heat exchange property of traditional test underground heat exchanger and soil can generally adopt electric heater and air-cooled heat pump method of testing, adds hot fluid by electric heater and simulates summer condition, simulates winter condition by the air-cooled heat pump cooling fluid.But when outdoor temperature was lower than 10 ℃, the air-cooled heat pump performance declined to a great extent even can not work, therefore the measurement of winter condition can't be carried out, simultaneously, and traditional test system structure complexity, number of devices is many, has the risk because of freezing equipment of water and pipeline in water storage box and the complex pipeline.
The utility model content
Technical problem to be solved in the utility model provides the hot rerum natura of a kind of soil based on earth source heat pump can tester and test carriage.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: the hot rerum natura energy of a kind of soil tester based on earth source heat pump, and it comprises:
By condenser, frequency-changeable compressor, evaporator and the restricting element variable ratio frequency changer source pump that connects and composes of pipeline in turn;
Connect the first variable ratio frequency changer water pump, first temperature sensor, first electromagnetic flowmeter, the first ground pipe laying and second temperature sensor successively by pipeline and be back to first closed-loop path that the cooling water inlet end of condenser forms by the hot water outlet end of condenser;
And,
Connect the second variable ratio frequency changer water pump, three-temperature sensor, second electromagnetic flowmeter, the second ground pipe laying and the 4th temperature sensor successively by pipeline and be back to second closed-loop path that the hot water inlet end of evaporator forms by the cooling water outlet end of evaporator.
Adopt the beneficial effect of technique scheme to be, this tester adopts the earth source heat pump method of testing, earth-source hot-pump system is selected one of variable ratio frequency changer source pump, two on variable ratio frequency changer water pump for use, make that the flow of the power of source pump and water pump is all adjustable, compressor is a frequency-changeable compressor, regulate the cooling and warming ability of source pump by the variable frequency control means, make to the constant heat of underground input, and then the temperature-responsive that detects soil estimates the hot rerum natura of soil, can test the two kinds of operating modes of freezing in Winter heat supply and summer.
Further, restricting element is an expansion valve.
Further, be provided with first valve between the hot water outlet end of condenser and the first variable ratio frequency changer water pump, be provided with second valve between the cooling water inlet end of condenser and second temperature sensor.
Adopt the beneficial effect of above-mentioned further technical scheme to be, control current direction in first closed-loop path by first valve and second valve.
Further, connect by pipeline between first valve and second valve, and on this pipeline, be provided with the 5th valve.
Adopt the beneficial effect of above-mentioned further technical scheme to be, when the original ground temperature of test, after system water supplement finishes, close first and second valve, open the 5th valve, open the first variable ratio frequency changer water pump, water only circulates in the loop that first temperature sensor, first electromagnetic flowmeter, the first ground pipe laying and second temperature sensor are formed, and without the variable ratio frequency changer source pump, circulate after 24 hours, temperature stabilization, the probe temperature of first temperature sensor and second temperature sensor is the original ground temperature of soil.
Further, be provided with the 3rd valve between the cooling water outlet end of evaporator and the second variable ratio frequency changer water pump, be provided with the 4th valve between the hot water inlet end of evaporator and the 4th temperature sensor.
Adopt the beneficial effect of above-mentioned further technical scheme to be, control current direction in second closed-loop path by the 3rd valve and the 4th valve.
Further, connect by pipeline between the 3rd valve and the 4th valve, and on this pipeline, be provided with the 6th valve.
Adopt the beneficial effect of above-mentioned further technical scheme to be, when the original ground temperature of test, after system water supplement finishes, close third and fourth valve, open the 6th valve, open the second variable ratio frequency changer water pump, water only circulates in the loop that three-temperature sensor, second electromagnetic flowmeter, the second ground pipe laying and the 4th temperature sensor are formed, and without the variable ratio frequency changer source pump, circulate after 24 hours, temperature stabilization, the probe temperature of three-temperature sensor and the 4th temperature sensor is the original ground temperature of soil.
Further, the water inlet of the first variable ratio frequency changer water pump and the second variable ratio frequency changer water pump all is connected with water supply tank.
Adopting the beneficial effect of above-mentioned further technical scheme to be, is first closed-loop path and the second closed-loop path moisturizing by water supply tank.
Further, it also comprises robot control system(RCS), and this robot control system(RCS) is connected with variable ratio frequency changer source pump, temperature sensor and flow sensor respectively.
Adopt the beneficial effect of above-mentioned further technical scheme to be, the control of whole test system, debugging, sensor data acquisition overlap independently by one, and robot control system(RCS) realizes, robot control system(RCS) can the setting data formats stored, the time interval, when system normally moved, robot control system(RCS) can realize the automatic storage of data.
The test carriage of a kind of ground pipe laying heat exchange property and the hot rerum natura of soil, it comprises the compartment, the hot rerum natura of above-mentioned soil based on earth source heat pump is installed in the compartment can tester.
The beneficial effects of the utility model are: the utility model can tester based on the hot rerum natura of the soil of earth source heat pump and test carriage overcome the limitation of conventional test methodologies, test is not subjected to the influence of outdoor temperature, simultaneously, compare with traditional tester and test carriage, number of devices reduces, principle is succinct, compact conformation, easy and simple to handle, this test carriage need not water storage box, necessary filling when both having avoided each test, discharge water (also will heat simultaneously or chilled water), reduced test period, avoided the risk because of freezing equipment of water and pipeline in water storage box and the complex pipeline again, it also has following characteristics:
1. can simulate winter and summer two kinds of operating modes.
2. source pump adopts the cold and the heat of its output of variable frequency control.
3. test data good stability, test period is short.
4. apparatus casing adopts baby container, is convenient to transportation and carrying.
5. data are stored automatically, and data processing amount reduces.
Description of drawings
Fig. 1 is the structural representation of the utility model based on the hot rerum natura energy of the soil tester of earth source heat pump;
Fig. 2 is the working state schematic representation of the utility model based on the hot rerum natura energy of the soil tester of earth source heat pump.
In the accompanying drawing, the list of parts of each label representative is as follows:
1, variable ratio frequency changer source pump, 2 first variable ratio frequency changer water pumps, 3 first temperature sensors, 4 first electromagnetic flowmeters, 5 first ground pipe layings, 6 second temperature sensors, 7 first valves, 8 second valves, 9 the 5th valves, 10 second variable ratio frequency changer water pumps, 11 three-temperature sensors, 12 second electromagnetic flowmeters, 13 second ground pipe layings, 14 the 4th temperature sensors, 15 the 3rd valves, 16 the 4th valves, 17 the 6th valves, 18 water supply tanks, 101 condensers, 102 frequency-changeable compressors, 103 evaporators, 104 expansion valves.
Embodiment
Below in conjunction with accompanying drawing principle of the present utility model and feature are described, institute gives an actual example and only is used to explain the utility model, is not to be used to limit scope of the present utility model.
As shown in Figure 1, the hot rerum natura energy of a kind of soil tester based on earth source heat pump, it comprises variable ratio frequency changer source pump 1, this frequency conversion heat pump unit 1 is by condenser 101, frequency-changeable compressor 102, evaporator 103 and restricting element pipeline in turn connect and compose, this restricting element is an expansion valve 104, the hot water outlet end of condenser 101 connects the first variable ratio frequency changer water pump 2 successively by pipeline, first temperature sensor 3, first electromagnetic flowmeter 4, the first ground pipe laying 5 and second temperature sensor 6, and be back to the cooling water inlet end of condenser 101, and form round-robin first closed-loop path, the cooling water outlet end of evaporator 103 connects the second variable ratio frequency changer water pump 10 successively by pipeline, three-temperature sensor 11, second electromagnetic flowmeter 12, the second ground pipe laying 13 and the 4th temperature sensor 14, and be back to the hot water inlet end of evaporator 103, and form round-robin second closed-loop path, be provided with first valve 7 between the hot water outlet end of condenser 101 and the first variable ratio frequency changer water pump 2, be provided with second valve 8 between the cooling water inlet end of condenser 101 and second temperature sensor 6, connect by pipeline between first valve 7 and second valve 8, and on this pipeline, be provided with the 5th valve 9, be provided with the 3rd valve 15 between the cooling water outlet end of evaporator 103 and the second variable ratio frequency changer water pump 10, be provided with the 4th valve 16 between the hot water inlet end of evaporator 103 and the 4th temperature sensor 14, connect by pipeline between the 3rd valve 15 and the 4th valve 16, and this pipeline is provided with the 6th valve 17, the water inlet of the first variable ratio frequency changer water pump 210 and the second variable ratio frequency changer water pump all is connected with water supply tank 18, it also comprises a robot control system(RCS), this robot control system(RCS) respectively with the variable ratio frequency changer source pump, temperature sensor is connected with flow sensor.
As shown in Figure 2, the principle of work of the hot rerum natura energy of a kind of soil based on earth source heat pump of the utility model tester is:
During the hot rerum natura of test ground pipe laying heat exchange property and soil, obtain two instrument connections in test site drilling well punching: instrument connection A and instrument connection B, hole depth 80m, the about 150mm of diameter, two holes are at a distance of about 5m, with the first ground pipe laying 5 of this tester U type and the second ground pipe laying 13 respectively with backfill in instrument connection A and instrument connection B, form ground pipe laying heat-exchange system, after backfill finishes, the ground interface of the first ground pipe laying 5 and the second ground pipe laying 13 is connected on the heat pump, be about to the first ground pipe laying 5 and be linked into formation first closed-loop path between first electromagnetic flowmeter 4 and second temperature sensor 6, the second ground pipe laying 13 is linked into formation second closed-loop path between second electromagnetic flowmeter 12 and the 4th temperature sensor 14, begin the hot rerum natura of testing soil then, testing procedure was divided into for two steps:
1. test original ground temperature: when the original ground temperature of test, after system water supplement finishes, close first and second valve 7,8, open the 5th valve 9, open the first variable ratio frequency changer water pump 2, water only circulates in the loop that first temperature sensor 3, first electromagnetic flowmeter 4, the first ground pipe laying 5 and second temperature sensor 6 are formed, and without variable ratio frequency changer source pump 1, circulate after 24 hours, temperature stabilization, the probe temperature of first temperature sensor and second temperature sensor are the original ground temperature of soil of instrument connection A; Simultaneously, close third and fourth valve 15,16, open the 6th valve 17, open the second variable ratio frequency changer water pump 10, water only circulates in the loop that three-temperature sensor 11, second electromagnetic flowmeter 12, the second ground pipe laying 13 and the 4th temperature sensor 14 are formed, and without variable ratio frequency changer source pump 1, circulate after 24 hours, temperature stabilization, the probe temperature of three-temperature sensor and the 4th temperature sensor is the original ground temperature of soil of instrument connection B, the initial soil temperature of instrument connection A and instrument connection B is averaged, be original ground temperature.
2. heating or the response of refrigeration probe temperature, result of calculation: the fluid of the first ground pipe laying 5 in the instrument connection B is heated during through the condenser 101 of frequency conversion heat pump unit 1, flow back into again in the first ground pipe laying 5, because fluid temperature (F.T.) is higher than the temperature of underground, so in soil, emit heat, in like manner, the fluid of the second ground pipe laying 13 in the instrument connection A is lowered the temperature during through the evaporator 103 of frequency conversion heat pump unit 1, flow back to again in the second ground pipe laying 13, because the temperature of fluid is lower than the temperature of underground, so from soil, absorb heat, therefore, frequency conversion heat pump unit 1 is from instrument connection A heat-obtaining, to instrument connection B heat extraction, regulate the cooling and warming ability of frequency conversion heat pump unit 1 by frequency-changeable compressor 102 variable frequency control, and then winter condition in can simulation test hole A or the summer condition among the instrument connection B, gather first by robot control system(RCS), second temperature sensor 3,11 and first, second electromagnetic flowmeter 4,12 data that measure, obtain the temperature-responsive of soil, and then calculate the exchange capability of heat of soil.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. the hot rerum natura of the soil based on earth source heat pump can tester, it is characterized in that it comprises:
By condenser, frequency-changeable compressor, evaporator and the restricting element variable ratio frequency changer source pump that connects and composes of pipeline in turn;
Connect the first variable ratio frequency changer water pump, first temperature sensor, first electromagnetic flowmeter, the first ground pipe laying and second temperature sensor successively by pipeline and be back to first closed-loop path that the cooling water inlet end of condenser forms by the hot water outlet end of condenser;
And,
Connect the second variable ratio frequency changer water pump, three-temperature sensor, second electromagnetic flowmeter, the second ground pipe laying and the 4th temperature sensor successively by pipeline and be back to second closed-loop path that the hot water inlet end of evaporator forms by the cooling water outlet end of evaporator.
2. the hot rerum natura energy of a kind of soil based on earth source heat pump according to claim 1 tester, it is characterized in that: described restricting element is an expansion valve.
3. the hot rerum natura energy of a kind of soil according to claim 1 tester based on earth source heat pump, it is characterized in that: be provided with first valve between the hot water outlet end of described condenser and the first variable ratio frequency changer water pump, be provided with second valve between the cooling water inlet end of described condenser and second temperature sensor.
4. the hot rerum natura energy of a kind of soil based on earth source heat pump according to claim 3 tester is characterized in that: connect by pipeline between described first valve and second valve, and be provided with the 5th valve on this pipeline.
5. the hot rerum natura energy of a kind of soil according to claim 1 tester based on earth source heat pump, it is characterized in that: be provided with the 3rd valve between the cooling water outlet end of described evaporator and the second variable ratio frequency changer water pump, be provided with the 4th valve between the hot water inlet end of described evaporator and the 4th temperature sensor.
6. the hot rerum natura energy of a kind of soil based on earth source heat pump according to claim 5 tester is characterized in that: connect by pipeline between described the 3rd valve and the 4th valve, and this pipeline is provided with the 6th valve.
7. the hot rerum natura energy of a kind of soil based on earth source heat pump according to claim 1 tester, it is characterized in that: the water inlet of the described first variable ratio frequency changer water pump and the second variable ratio frequency changer water pump all is connected with water supply tank.
8. according to the hot rerum natura energy of each described a kind of soil based on earth source heat pump of claim 1 to 7 tester, it is characterized in that: also comprise robot control system(RCS), this robot control system(RCS) is connected with variable ratio frequency changer source pump, temperature sensor and flow sensor respectively.
9. the test carriage of a ground pipe laying heat exchange property and the hot rerum natura of soil, it comprises the compartment, it is characterized in that, being equipped with in the described compartment can tester as the hot rerum natura of each described soil based on earth source heat pump of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206942263U CN201917538U (en) | 2010-12-31 | 2010-12-31 | Testing instrument and testing vehicle for testing thermal physical performance of soil based on ground source heat pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206942263U CN201917538U (en) | 2010-12-31 | 2010-12-31 | Testing instrument and testing vehicle for testing thermal physical performance of soil based on ground source heat pump |
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| CN201917538U true CN201917538U (en) | 2011-08-03 |
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| CN2010206942263U Expired - Lifetime CN201917538U (en) | 2010-12-31 | 2010-12-31 | Testing instrument and testing vehicle for testing thermal physical performance of soil based on ground source heat pump |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102565121A (en) * | 2010-12-31 | 2012-07-11 | 北京华清新源科技有限公司 | Ground source heat pump-based soil thermophysical property tester and testing vehicle |
| CN103091358A (en) * | 2011-11-08 | 2013-05-08 | 同济大学 | Indoor model test apparatus for ground source heat pump rock soil thermal response testing and application thereof |
| CN103115937A (en) * | 2013-02-28 | 2013-05-22 | 河海大学 | Physical model experiment system for water-heat coupling sand slot of porous medium aquifer |
| CN111537556A (en) * | 2020-05-14 | 2020-08-14 | 东北林业大学 | Device for simulating soil environment around vertical ground heat exchanger |
-
2010
- 2010-12-31 CN CN2010206942263U patent/CN201917538U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102565121A (en) * | 2010-12-31 | 2012-07-11 | 北京华清新源科技有限公司 | Ground source heat pump-based soil thermophysical property tester and testing vehicle |
| CN103091358A (en) * | 2011-11-08 | 2013-05-08 | 同济大学 | Indoor model test apparatus for ground source heat pump rock soil thermal response testing and application thereof |
| CN103091358B (en) * | 2011-11-08 | 2015-04-08 | 同济大学 | Indoor model test apparatus for ground source heat pump rock soil thermal response testing and application thereof |
| CN103115937A (en) * | 2013-02-28 | 2013-05-22 | 河海大学 | Physical model experiment system for water-heat coupling sand slot of porous medium aquifer |
| CN103115937B (en) * | 2013-02-28 | 2016-03-23 | 河海大学 | A kind of porous medium aquifer water-thermal coupling sand launder physical model experiment system |
| CN111537556A (en) * | 2020-05-14 | 2020-08-14 | 东北林业大学 | Device for simulating soil environment around vertical ground heat exchanger |
| CN111537556B (en) * | 2020-05-14 | 2024-06-07 | 东北林业大学 | Device for simulating surrounding soil environment of vertical buried pipe heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing Huaqing Geothermal Development Co., Ltd. Assignor: Beijing Huaqing Xinyuan Technology Co., Ltd. Contract record no.: 2012990000671 Denomination of utility model: Ground source heat pump-based soil thermophysical property tester and testing vehicle Granted publication date: 20110803 License type: Exclusive License Record date: 20120913 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING HUAQING GEOTHERMAL DEVELOPMENT CO., LTD. Free format text: FORMER OWNER: BEIJING HUAQING XINYUAN TECHNOLOGY CO., LTD. Effective date: 20140402 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100101 CHAOYANG, BEIJING TO: 100012 CHAOYANG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140402 Address after: 100012 Chaoyang District water bridge, Beijing, a No. 2 Patentee after: Beijing Huaqing Geothermal Development Co., Ltd. Address before: 100101 Beijing City, Chaoyang District No. 11 North Anxiang Patentee before: Beijing Huaqing Xinyuan Technology Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 100012 Beijing city Haidian District Tin Road No. 39 Building No. 10 hospital 201, 202, 203, 204, 205, 206 Patentee after: Beijing Huaqing Geothermal Development Group Limited Address before: 100012 Chaoyang District water bridge, Beijing, a No. 2 Patentee before: Beijing Huaqing Geothermal Development Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110803 |