CN201069412Y - Digital testing device for heat exchange capability of soil source hot pump ground-buried pipe heat exchanger - Google Patents
Digital testing device for heat exchange capability of soil source hot pump ground-buried pipe heat exchanger Download PDFInfo
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- CN201069412Y CN201069412Y CNU200720096974XU CN200720096974U CN201069412Y CN 201069412 Y CN201069412 Y CN 201069412Y CN U200720096974X U CNU200720096974X U CN U200720096974XU CN 200720096974 U CN200720096974 U CN 200720096974U CN 201069412 Y CN201069412 Y CN 201069412Y
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Abstract
A digital tester for heat transfer capacity of a ground-source heat pump heat exchanger is provided, which comprises a heat pump assembly, a ground heat exchanger, a fan coil system and a field data collection detection system, wherein, the heat pump assembly is an intermediate part for the heat exchange between the fan coil system and the ground heat exchanger; the connections among the heat pump assembly, the ground heat exchanger and the fan coil system are conducted in two modes for the tests of heat absorption and release of the ground heat exchanger; the field data collection detection system is connected with measuring instruments inside the ground heat exchanger and the fan coil system. The utility model has the advantages that the digital tester can detect the heat exchange capacity of the ground-source heat pump heat exchanger under the working conditions of intermittent operation, flux-variable operation and load-variable operation; can instantly record data and display the heat-exchange capacity of the ground-source heat pump heat exchanger and the load of the system; can detect the heat exchange capacity of the ground-source heat pump heat exchanger under different conditions; and is suitable for engineering test and experiment as well.
Description
(1) technical field under:
The utility model relates to the professional test device of soil source heat pump underground heat exchanger exchange capability of heat in a kind of Heating, Gas Supply, Ventilating and Air Conditioning Engineering specialty, particularly a kind of digital test device of soil source heat pump ground heat exchanger exchange capability of heat.The utility model provides foundation for the engineering design of underground heat exchanger, also can be used as the experimental provision of big-and-middle universities and colleges laboratory study underground buried tube exchange capability of heat simultaneously.
(2) background technology:
Soil source heat pump origin can trace back to 1912 Swiss Zuo Yili (H.Zoelly) propose about utilizing the patent imagination of soil as thermal source: change the outside cold-producing medium-air heat exchanger of heat pump assembly into cold-producing medium-intermediate heat transfer fluid medium (water or other anti frozen liquid)-soil heat exchange device.At present, in the U.S., Canada, Sweden etc., entered the commercial practicality stage.Domestic 1980, begin to explore and the research soil source heat pump; Nineteen ninety end, soil source heat pump becomes domestic popular research topic.Up to the present, domestic research aspect earth source heat pump is in the exploratory development stage.Issued in January, 2006 " earth-source hot-pump system engineering legislation ", standard the practical engineering application of soil source heat pump.The soil source heat pump engineering design must be calculated the exchange capability of heat of underground buried tube heat exchanger, draws the length and the degree of depth of required underground buried tube, and this is the key distinction that designs with other central air conditioner.The test of the exchange capability of heat of traditional underground heat exchanger is by geological mapping company underground pipe laying to be buried underground the place to carry out the geological mapping analysis and draw the geologic structure of burying the place underground, carry out the calculating of heat then by the design of HVAC personnel, draw the length and the degree of depth of required underground buried tube.This mode is calculated more complicated, requires the calculating personnel that darker theoretical foundation is arranged.Directly measure the exchange capability of heat of underground heat exchanger by setting up simple proving installation exactly in addition.As patent 200410072380 " a kind of new method and special test device of testing the ground heat exchanger exchange capability of heat ".This proving installation draws the heat of ground heat exchanger by setting up simple air-conditioning system to the Operational Data Analysis of system.This method of testing needs the service data of hand-kept system, and can not correctly test as office building intermittent duty, cold/operating modes such as thermal load variation some operating modes.
(3) summary of the invention:
The purpose of this utility model is to provide a kind of digital test device of soil source heat pump ground heat exchanger exchange capability of heat, it has remedied the deficiency of actual engineering exploration and these two kinds tests of simple experiment device underground buried tube exchange capability of heat method, is applicable to level and vertical two kinds of pipe laying modes; Can test round-the-clock running operating mode, intermittent duty operating mode, unsteady flow amount operating condition, variable load operation operating mode etc. actual condition; The needed data of record that simultaneously can be automatic accurate.
The technical solution of the utility model: a kind of digital test device of soil source heat pump ground heat exchanger exchange capability of heat is characterized in that this system comprises four parts: i.e. source pump, underground heat exchanger, fan coil system and on-site data gathering test macro; Wherein source pump is the mediation device that carries out exchange heat between fan coil system and underground heat exchanger, is divided into two kinds of forms of the suction of test underground heat exchanger, heat release ability being connected between source pump, underground heat exchanger and fan coil system; On-site data gathering test macro and underground heat exchanger are connected with measurement instrument in the fan coil system.
The structure of above-mentioned said underground heat exchanger when the test heat absorption capacity is: the rising pipe of source pump evaporator is connected with the feed pipe of underground heat exchanger, the water inlet pipe of evaporator is connected with the return pipe of underground heat exchanger, the rising pipe of source pump condenser is connected with the feed pipe of fan coil system, and the water inlet pipe of condenser is connected with the return pipe of fan coil system.
The structure of above-mentioned said underground heat exchanger when test heat release ability is: the rising pipe of source pump condenser is connected with the feed pipe of underground heat exchanger, the water inlet pipe of condenser is connected with the return pipe of underground heat exchanger, the rising pipe of source pump evaporator is connected with the feed pipe of fan coil system, and the water inlet pipe of evaporator is connected with the return pipe of fan coil system.
Above-mentioned said underground heat exchanger with the annexation of source pump is: the underground heat exchanger water circulating pump is connected with tensimeter, automatic blow off valve valve air relief, turbo flow meter, platinum resistance temperature sensor, source pump, platinum resistance temperature sensor, underground buried tube, ball valve, constant pressure tank, Y type dirt separator, tensimeter successively.
Above-mentioned said underground buried tube comprises two underground buried tubes; Underground buried tube is connected with 1 ball valve with 5 platinum resistance temperature sensors successively; Underground buried tube is connected with 1 ball valve with 5 platinum resistance temperature sensors successively.
Above-mentioned said fan coil system with the annexation of source pump is: the fan coil system water circulating pump is connected with tensimeter, platinum resistance temperature sensor, source pump, platinum resistance temperature sensor, turbo flow meter, automatic blow off valve valve air relief, ball valve, 3 fan coils, constant pressure tank, Y type dirt separator, tensimeters successively.
Above-mentioned said on-site data gathering test macro comprises industrial computer and at least 2 thermal resistance signal analog quantity input conditioning plates and the 1 voltage/current signals analog quantity input conditioning plate that contains analog quantity input interface plate, and at least 2 thermal resistance signal analog quantity input conditioning plates are connected the interior analog quantity input interface plate of industrial computer with 1 voltage/current signals analog quantity input conditioning plate; Said industrial computer should comprise 19 flat-screen CRT monitors, main frame, mouse, keyboard; Main frame comprises CPU, internal memory, hard disk, mainboard, and analog quantity input interface plate is contained in the main frame; Too soft FIX of installation group in the hard disk.
Above-mentioned said each platinum resistance temperature sensor is all gone into conditioning plate according to 3 signal wires with the thermal resistance signal mould and is connected.
Above-mentioned said soil source heat pump ground pipe laying comprises horizontal coiled pipe and vertical pipe laying, and the horizontal coiled pipe mode comprises single loop, double loop, three loops; Vertically the pipe laying mode comprises single U-shaped pipe, dual U-shaped pipe.
The utility model can be achieved as follows function:
A can pass through the temperature changing regularity of the form analysis underground heat exchanger of chart;
The caloric receptivity of underground buried tube and the calculating of thermal discharge during the round-the-clock long-time running of b;
The caloric receptivity of underground buried tube and the calculating of thermal discharge under the c intermittent duty operating mode;
The caloric receptivity of underground buried tube and the calculating of thermal discharge under the d variable load operation operating mode;
The caloric receptivity of underground buried tube and the calculating of thermal discharge under the e unsteady flow amount operating condition;
F people is the caloric receptivity of underground buried tube and the calculating of thermal discharge under the operating condition of setting.
Principle of work of the present utility model: the utility model adopts DDC (direct digitalcontrol) Direct Digital chemical control system system that temperature and chilled water/cooling water system discharge are gathered.Its principle is that mould is gone into the electric signal of conditioning plate reception from sensor (temperature, flow), then electric signal is transformed into digital signal, and in computing machine digital signal is performed mathematical calculations.Too soft FIX of the group of built-in computer intellution company can round-the-clock record field instrument data, and data are handled, draw a diagram for designer or experimenter's reference.
Following formula is used in calculating to underground buried tube heat exchanger heat always:
q＝(Δt·W)/(0.86·L)
Wherein, q is the heat that unit tube descends pipe laying longways, kw/m; t is the underground heat exchanger import/export temperature difference, ℃; W is the discharge of underground heat exchanger, m
3/ h; L is the pipe range of underground heat exchanger, m.
The most direct embodiment of exchange capability of heat of underground heat exchanger is exactly from the source pump absorption or emits how many heats.Underground heat exchanger is not directly to be connected with source pump, equipment such as water pump, dirt separator, connecting tube are arranged between underground heat exchanger and the source pump, and underground buried tube outlet/inlet temperature has certain deviation with the coolant-temperature gage that enters and flow out source pump.Therefore should adopt the temperature difference (heat-sinking capability of research underground heat exchanger) of source pump condenser or the temperature difference (heat absorption capacity of research underground heat exchanger) of evaporator when calculating the heat of underground heat exchanger.
After the installation, connect platinum resistance temperature sensor and turbo flow meter to industrial computer as shown in Figure 1.FIX software is installed on industrial computer then, is set the attribute of the data (temperature, flow) of being gathered, drawing system process flow diagram, establishment system data form.Check platinum resistance temperature sensor and turbo flow meter by mercury thermometer and multimeter.The equipment of system just installs like this.Open ball valve, water pump, source pump are opened in water filling in the system in succession after filling with.DDC record temperature and flow and the heat, the system loading that calculate underground heat exchanger when system moves.During round-the-clock long-time running, open ball valve, water pump, source pump, operation continuously in 24 hours.When moving under the intermittent duty operating mode, time interval operational system as required; During the variable load operation operating mode, change the operation platform number and the air quantity of fan coil; During unsteady flow amount operating condition, can manually change the aperture of ball valve or water pump is connected on the frequency converter.
The beneficial effects of the utility model are: the heat that 1, can measure underground heat exchanger under operating modes such as intermittent duty operating mode, unsteady flow amount operating condition, variable load operation operating mode; 2, temperature and the data on flows by the DDC acquisition system can the instant recording data, the heat of instant playback underground heat exchanger and the load of system; 3, can measure the multi-form heat of underground buried tube down as required; 4, be applicable to the test of soil source heat pump engineering underground buried tube heat, also can be used as the experimental provision of big-and-middle institutional research underground buried tube exchange capability of heat; 5, the utility model equipment therefor can be reused, and conveniently moving is simple in structure, standard the design of soil source heat pump underground heat exchanger.
(4) description of drawings:
Fig. 1 is the one-piece construction principle schematic of the digital test device of the related a kind of soil source heat pump ground heat exchanger exchange capability of heat of the utility model.
Fig. 2 is the structural representation of underground heat exchanger when the test heat absorption capacity of the digital test device of the related a kind of soil source heat pump ground heat exchanger exchange capability of heat of the utility model.
Fig. 3 is the structural representation of underground heat exchanger when test heat release ability of the digital test device of the related a kind of soil source heat pump ground heat exchanger exchange capability of heat of the utility model.
Fig. 4 is the one-piece construction connection diagram of the digital test device of the related a kind of soil source heat pump ground heat exchanger exchange capability of heat of the utility model.
Fig. 5 is the data acquisition system (DAS) structural representation in the digital test device of the related a kind of soil source heat pump ground heat exchanger exchange capability of heat of the utility model.
Fig. 6 goes into the wiring schematic diagram of conditioning plate and platinum resistance for thermal resistance signal mould on the underground buried tube in the digital test device of the related a kind of soil source heat pump ground heat exchanger exchange capability of heat of the utility model.
(5) embodiment:
Embodiment: a kind of digital test device (see figure 1) of soil source heat pump ground heat exchanger exchange capability of heat is characterized in that this system comprises four parts: i.e. source pump 1, underground heat exchanger 2, fan coil system 3 and on-site data gathering test macro 4; Wherein source pump 1 is fan coil system 3 and 2 mediation devices that carry out exchange heat of underground heat exchanger, is divided into source pump 1, underground heat exchanger 2 and being connected of 3 of fan coil systems two kinds of types of attachment of the suction of test underground heat exchanger, heat release ability; On-site data gathering test macro 4 and underground heat exchanger 2 are connected with measurement instrument in the fan coil system 3.
The structure of above-mentioned said underground heat exchanger when the test heat absorption capacity is (see figure 2): the rising pipe of source pump evaporator is connected with the feed pipe of underground heat exchanger, the water inlet pipe of evaporator is connected with the return pipe of underground heat exchanger, the rising pipe of source pump condenser is connected with the feed pipe of fan coil system, and the water inlet pipe of condenser is connected with the return pipe of fan coil system.
The structure of above-mentioned said underground heat exchanger when test heat release ability is (see figure 3): the rising pipe of source pump condenser is connected with the feed pipe of underground heat exchanger, the water inlet pipe of condenser is connected with the return pipe of underground heat exchanger, the rising pipe of source pump evaporator is connected with the feed pipe of fan coil system, and the water inlet pipe of evaporator is connected with the return pipe of fan coil system.
Above-mentioned said underground heat exchanger 2 with the annexation (see figure 4) of source pump 1 is: underground heat exchanger water circulating pump 2-1 is connected with tensimeter 2-3-1, automatic blow off valve valve air relief 2-8, turbo flow meter 2-6, platinum resistance temperature sensor 2-4-1, source pump 1, platinum resistance temperature sensor 2-4-2, underground buried tube 2-9, ball valve 2-7, constant pressure tank 2-2, Y type dirt separator 2-5, tensimeter 2-3-2 successively.
Above-mentioned said underground buried tube 2-9 comprises two underground buried tube 2-9-1,2-9-2; Underground buried tube 2-9-1 is connected with 1 ball valve 2-7-2 with 5 platinum resistance temperature sensor 2-4-3～2-4-7 successively; Underground buried tube 2-9-2 successively with 5 platinum resistance temperature sensor 2-4-8～2-4-12 (see figure 4) that is connected with 1 ball valve 2-7-1.
Above-mentioned said fan coil system 3 with the annexation (see figure 4) of source pump 1 is: fan coil system water circulating pump 3-1 is connected with tensimeter 3-4-1, platinum resistance temperature sensor 3-5-1, source pump 1, platinum resistance temperature sensor 3-5-2, turbo flow meter 3-7, automatic blow off valve valve air relief 3-9, ball valve 3-8-1,3 fan coil 3-2-1～3-2-3, constant pressure tank 3-3, Y type dirt separator 3-6, tensimeter 3-4-2 successively.
Above-mentioned said on-site data gathering test macro 4 (see figure 5)s comprise industrial computer and 2 thermal resistance signal analog quantity input conditioning plate 4-5 and the 1 voltage/current signals analog quantity input conditioning plate 4-6 that contains analog quantity input interface plate 4-2-5, and 2 thermal resistance signal analog quantity input conditioning plate 4-5 are connected the interior analog quantity input interface plate 4-2-5 of industrial computer with 1 voltage/current signals analog quantity input conditioning plate 4-6; Said industrial computer should comprise 19 flat-screen CRT monitor 4-1, main frame 4-2, mouse 4-3, keyboard 4-4; Main frame comprises CPU4-2-1, internal memory 4-2-2, hard disk 4-2-3, mainboard 4-2-4, and analog quantity input interface plate 4-2-5 is contained in the main frame 4-2; Too soft FIX of installation group in the hard disk.
Above-mentioned said each platinum resistance temperature sensor is all gone into conditioning plate according to 3 signal wires with the thermal resistance signal mould and is connected (see figure 6).
Above-mentioned said soil source heat pump ground pipe laying is the dual U-shaped pipe of vertical pipe laying.
Claims (9)
1. the digital test device of a soil source heat pump ground heat exchanger exchange capability of heat is characterized in that this system comprises four parts: i.e. source pump, underground heat exchanger, fan coil system and on-site data gathering test macro; Wherein source pump is the mediation device that carries out exchange heat between fan coil system and underground heat exchanger, is divided into two kinds of forms of the suction of test underground heat exchanger, heat release ability being connected between source pump, underground heat exchanger and fan coil system; On-site data gathering test macro and underground heat exchanger are connected with measurement instrument in the fan coil system.
2. according to the digital test device of the said a kind of soil source heat pump ground heat exchanger exchange capability of heat of claim 1, it is characterized in that the structure of said underground heat exchanger when the test heat absorption capacity is: the rising pipe of source pump evaporator is connected with the feed pipe of underground heat exchanger, the water inlet pipe of evaporator is connected with the return pipe of underground heat exchanger, the rising pipe of source pump condenser is connected with the feed pipe of fan coil system, and the water inlet pipe of condenser is connected with the return pipe of fan coil system.
3. according to the digital test device of the said a kind of soil source heat pump ground heat exchanger exchange capability of heat of claim 1, it is characterized in that the structure of said underground heat exchanger when test heat release ability is: the rising pipe of source pump condenser is connected with the feed pipe of underground heat exchanger, the water inlet pipe of condenser is connected with the return pipe of underground heat exchanger, the rising pipe of source pump evaporator is connected with the feed pipe of fan coil system, and the water inlet pipe of evaporator is connected with the return pipe of fan coil system.
4. according to the digital test device of the said a kind of soil source heat pump ground heat exchanger exchange capability of heat of claim 1, it is characterized in that said underground heat exchanger with the annexation of source pump is: the underground heat exchanger water circulating pump is connected with tensimeter, automatic blow off valve valve air relief, turbo flow meter, platinum resistance temperature sensor, source pump, platinum resistance temperature sensor, underground buried tube, ball valve, constant pressure tank, Y type dirt separator, tensimeter successively.
5. according to the digital test device of the said a kind of soil source heat pump ground heat exchanger exchange capability of heat of claim 4, it is characterized in that said underground buried tube comprises two underground buried tubes; Underground buried tube is connected with 1 ball valve with 5 platinum resistance temperature sensors successively; Underground buried tube is connected with 1 ball valve with 5 platinum resistance temperature sensors successively.
6. according to the digital test device of the said a kind of soil source heat pump ground heat exchanger exchange capability of heat of claim 1, it is characterized in that said fan coil system with the annexation of source pump is: the fan coil system water circulating pump is connected with tensimeter, platinum resistance temperature sensor, source pump, platinum resistance temperature sensor, turbo flow meter, automatic blow off valve valve air relief, ball valve, 3 fan coils, constant pressure tank, Y type dirt separator, tensimeters successively.
7. according to the digital test device of the said a kind of soil source heat pump ground heat exchanger exchange capability of heat of claim 1, it is characterized in that said on-site data gathering test macro comprises industrial computer and at least 2 thermal resistance signal analog quantity input conditioning plates and the 1 voltage/current signals analog quantity input conditioning plate that contains analog quantity input interface plate, at least 2 thermal resistance signal analog quantity input conditioning plates are connected the interior analog quantity input interface plate of industrial computer with 1 voltage/current signals analog quantity input conditioning plate; Said industrial computer should comprise 19 flat-screen CRT monitors, main frame, mouse, keyboard; Main frame comprises CPU, internal memory, hard disk, mainboard, and analog quantity input interface plate is contained in the main frame; Too soft FIX of installation group in the hard disk.
8. according to the digital test device of the said a kind of soil source heat pump ground heat exchanger exchange capability of heat of claim 7, it is characterized in that said each platinum resistance temperature sensor all goes into conditioning plate according to 3 signal wires with the thermal resistance signal mould and be connected.
9. according to the digital test device of the said a kind of soil source heat pump ground heat exchanger exchange capability of heat of claim 1, it is characterized in that said soil source heat pump ground pipe laying comprises horizontal coiled pipe and vertical pipe laying, the horizontal coiled pipe mode comprises single loop, double loop, three loops; Vertically the pipe laying mode comprises single U-shaped pipe, dual U-shaped pipe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720096974XU CN201069412Y (en) | 2007-08-03 | 2007-08-03 | Digital testing device for heat exchange capability of soil source hot pump ground-buried pipe heat exchanger |
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| CNU200720096974XU CN201069412Y (en) | 2007-08-03 | 2007-08-03 | Digital testing device for heat exchange capability of soil source hot pump ground-buried pipe heat exchanger |
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| CN201069412Y true CN201069412Y (en) | 2008-06-04 |
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| CNU200720096974XU Expired - Fee Related CN201069412Y (en) | 2007-08-03 | 2007-08-03 | Digital testing device for heat exchange capability of soil source hot pump ground-buried pipe heat exchanger |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017279A (en) * | 2012-12-28 | 2013-04-03 | 上海交通大学 | Ground source heat-pipe heat exchange system adapting to load change in operation cycle and control method |
| CN103487084A (en) * | 2012-06-12 | 2014-01-01 | 格林泰科绿色建筑科技有限公司 | Method for checking, testing and accepting ground-source heat pump geothermal energy exchange system in group-based mode |
-
2007
- 2007-08-03 CN CNU200720096974XU patent/CN201069412Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487084A (en) * | 2012-06-12 | 2014-01-01 | 格林泰科绿色建筑科技有限公司 | Method for checking, testing and accepting ground-source heat pump geothermal energy exchange system in group-based mode |
| CN103017279A (en) * | 2012-12-28 | 2013-04-03 | 上海交通大学 | Ground source heat-pipe heat exchange system adapting to load change in operation cycle and control method |
| CN103017279B (en) * | 2012-12-28 | 2015-05-20 | 上海交通大学 | Ground source heat-pipe heat exchange system adapting to load change in operation cycle and control method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: TIANJIN TAIDA ENERGY ENGINEERING TECHNOLOGY CO., L Free format text: FORMER NAME: TIANJIN TAIDA HEAT PUMP ENGINEERING TECHNOLOGY CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: 300457 No. 159 Huang Hai Road, Tianjin Development Zone Patentee after: Tianjin Taida Energy Engineering Technology Co., Ltd. Address before: 300457 Building 8, 802, Jetta Road, No. 26, Jetta Road, Tianjin Development Zone, Tianjin, C Patentee before: Tianjin Taida Heat Pump Engineering Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080604 Termination date: 20150803 |
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| EXPY | Termination of patent right or utility model |