CN206875665U - Soil heat exchange local heat balance monitoring, alarming control system - Google Patents
Soil heat exchange local heat balance monitoring, alarming control system Download PDFInfo
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- CN206875665U CN206875665U CN201720492389.5U CN201720492389U CN206875665U CN 206875665 U CN206875665 U CN 206875665U CN 201720492389 U CN201720492389 U CN 201720492389U CN 206875665 U CN206875665 U CN 206875665U
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- 239000002689 soil Substances 0.000 title claims abstract description 25
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- 238000003491 array Methods 0.000 description 1
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Abstract
A kind of soil heat exchange local heat balance monitoring, alarming control system is the utility model is related to, including：Thermal balance monitoring, alarming controller, controller is by collecting house steward's flow signal and entering, return water temperature value, the total heat exchange amount in calculating ground source part, and compares with default heat exchange amount, is alarmed if exceeding preset value.Thermal balance monitoring, alarming controller collection water knockout drum is respectively in charge of temperature and water collector is respectively in charge of temperature, the disengaging water temperature difference that analysis each pair is in charge of, it is in charge of for Temperature Difference Ratio is less, then adjust this control valve opening being in charge of, reduce inflow, the mean temperature difference value for keeping this temperature approach being in charge of and being respectively in charge of is substantially suitable, if the reduction water-carrying capacity temperature difference is still smaller, closes this and is in charge of.
Description
Technical field
It the utility model is related to a kind of soil heat exchange local heat balance monitoring, alarming control system.
Background technology
Earth source heat pump be by using the cold and hot amount in thin solum be building cooling, heat supply technology.It is well known that
The temperature of thin solum is held essentially constant throughout the year under earth's surface, and in summer, the temperature of underground is lower than air, can utilize
It provides cold for building, and the winter temperature of underground is then higher than air, and it is space heating that can be used for, therefore earth source heat pump
It is a kind of efficient, regenerative resource of energy-saving and environmental protection, but the thermal conductivity of soil is not unlimited, some area in a period of time
The soil thermal storage amount in domain has certain limitation, and a region, which enters excessive heat or cold, can cause this local heat balance to be broken
It is bad, soil hardening, thermal conductivity decline, and heat storage capacity declines etc., it is complete to finally result in whole earth-source hot-pump system soil source part
Failure.
The heat exchange of earth source heat pump and soil is to be used as medium by water to carry out, and in order to increase heat exchange area, is needing to change
The heat exchange well of hundreds of or thousands of tens of meters of depths of mouth is beaten in the region of heat by certain spacing, and U heat exchange, water are placed in heat exchange well
From heat exchanger tube by completing heat transfer process.
Due to, it is necessary to organized into groups by certain amount and region, importing house steward and entering into air-conditioner host more than heat exchange well quantity
Row heat exchange, because the exchange capability of heat of every group of heat exchange well has certain difference, it is therefore desirable to which thermal balance control is carried out to every group of heat exchange well
System.
Utility model content
In order to solve the above technical problems, the purpose of this utility model is to provide, a kind of cost is low, practical, energy consumption is low and
Soil heat exchange local heat balance monitoring, alarming control system easy to use.
To achieve the above object of the invention, the utility model soil heat exchange local heat balance monitoring, alarming control system, including：
More backwater for connecting each heat exchange well are in charge of, more water inlets are in charge of, the more water inlets be in charge of be communicated to it is total into water
Pipe, the more backwater, which are in charge of, is communicated to return main, and the return main is provided with the first return water temperature sensor, each described
Backwater, which is in charge of, is provided with the second return water temperature sensor, and the water inlet manifold is provided with the first inflow temperature sensor, each described
Water inlet, which is in charge of, is provided with the second inflow temperature sensor；Each backwater, which is in charge of, is respectively equipped with electric control valve；
Also include sensing with the first described return water temperature sensor, the second return water temperature sensor, the first inflow temperature
Device, the thermal balance detection warning device of the second inflow temperature sensor connection, the thermal balance detection warning device is used for real-time
The first return water temperature value of the first return water temperature sensor output is obtained, the first of the output of the first inflow temperature sensor enters water temperature
Angle value, the absolute value of the first return water temperature value and the first inflow temperature value difference value is calculated, the absolute value is the first absolute value, is judged
First absolute value whether in the range of the first predetermined temperature threshold,
If the first absolute value does not process in the range of the first predetermined temperature threshold；
If the first absolute value is not in the range of the first predetermined temperature threshold, alert, close described each time
Electric control valve on moisture pipe；
The thermal balance detection warning device is additionally operable to obtain second time of each second return water temperature sensor output in real time
Water temperature angle value, the second inflow temperature value of each second inflow temperature sensor output, calculates the second return water temperature value and enters with second
Whether the absolute value of coolant-temperature gage value difference value, the absolute value are the second absolute value, judge the second absolute value in predetermined second temperature
In threshold range,
If the second absolute value does not process in predetermined second temperature threshold range；
If the second absolute value is not in predetermined second temperature threshold range, alert, the backwater point is closed
Electric control valve on pipe；
If the second absolute value ＜ 1, alert, close the electric control valve that the backwater is in charge of.
Further, the return main is provided with flow sensor.
Further, the return main is provided with water pump.
Further, outside air temperature is less than 10 DEG C, 5.5 ~ 7.5 DEG C of water inlet manifold temperature, 11.5 ~ 13 DEG C of return water temperature, the
One temperature threshold is 4 to 8 DEG C；
Outside air temperature is more than or equal to 10 DEG C, and 34 ~ 43 DEG C of inflow temperature, 27 ~ 34 DEG C of return water temperature, the first temperature threshold is 0
To 16 DEG C；
Second temperature threshold range is [m, n], and described second temperature threshold range determines according to the first absolute value, n=the
One absolute value+2, if absolute value -2 of the first absolute value ＞ 2, m=first, if the first absolute value ＜ 2, m=0.
By such scheme, the utility model soil heat exchange local heat balance monitoring, alarming control system at least has following
Advantage：
The present invention prevents the excessive use of soil source, and controller monitor set and emergency processing are controlled in one, directly and examines
Original paper and actuator connection are surveyed, setting parameter can run, and debugging is simple, and alarm is timely fed back to client, and controls
Device can be handled voluntarily, reduce user's loss.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below
Describe in detail bright as after.
Brief description of the drawings
Fig. 1 is the utility model soil heat exchange local heat balance monitoring, alarming control system schematic diagram.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is described in further detail.Implement below
Example is used to illustrate the utility model, but is not limited to the scope of the utility model.
It is well known that air conditioner refrigerating, the process of heating are realized by heat exchange in fact, summer is needed in building
Heat cement out, then the heat of equivalent is dispersed into air or soil；Winter is then to put the cold in building
Swap out and, then cold is dispersed into air or soil, according to law of conservation of energy, the hot and cold amount in building is replaced
It is out how many, then how many hot and cold amount is displaced in air or soil, present invention is generally directed to be earth source heat pump,
The heat exchange the form exactly hot and cold amount for being replaced out in building being dispersed into soil；
Building can consider service condition, office number, the meteorological condition of position of building etc., meter in design
Calculate building heat exchange demand at different conditions, its maximum be exactly earth-source hot-pump system heat exchange well design heat exchange amount according to
According to；According to following heat Calculation formula：
Q=Cp·r·Vs·△T
Q:Thermic load (KW)
Cp:Specific heat at constant pressure (KJ/kg. DEG C)
r:Proportion (Kg/m3)
Vs:Water-carrying capacity (m3/h)
△T:Water temperature difference (DEG C) ... △ T=T2 (discrepancy temperature)-T1 (inflow temperature)
The numerical value such as flow, the temperature difference can be scaled, to entering, return water temperature, flow constantly monitored, prevent exceed set
Evaluation.
In system operation, there is temperature difference between backwater due to needing to carry out heat exchange with soil, therefore intaking,
Rule of thumb, winter operation, underground buried tube, 5.5 ~ 7.5 DEG C of inflow temperature（It is average 7.15 DEG C）, 11.5 ~ 13 DEG C of return water temperature（It is flat
Equal 12.13 DEG C, 5 DEG C or so of the temperature difference）；Summer is run, 34 ~ 43 DEG C of underground buried tube inflow temperature（It is average 41.48 DEG C）, return water temperature
27~34℃（It is average 32.3 DEG C）, 9 DEG C or so of the temperature difference.But data above is ideal state, in actual motion, local ground
Matter condition, outdoor dry-bulb temperature, building actual use situation etc. all can enter backwater and have an impact in source over the ground, but the overall principle
It is the big temperature difference, low discharge, the big temperature difference can improve heat exchange efficiency, and low discharge then saves energy.
For each is in charge of, its temperature difference should keep basically identical with the temperature difference of house steward, on the one hand each to be in charge of
The temperature difference should be compared with house steward's temperature difference, on the other hand, it is necessary to calculate all mean temperature differences being in charge of, if what this was in charge of
The temperature difference and house steward's temperature difference and be respectively in charge of the temperature difference average value it is substantially suitable, then this, which is in charge of, belongs to normal condition；If that is in charge of enters
Compared with backwater temperature difference and house steward enter backwater temperature difference or be respectively in charge of and averagely enter backwater temperature difference, more than 2 DEG C of temperature difference, then this is judged
It is in charge of exception, reminds user to check, if the temperature difference more than 3 DEG C, and more than 10 minutes duration, then judges that this is in charge of and had
Failure, simultaneously close off this back-water valve (BWV) being in charge of.If the temperature difference entered between backwater being in charge of is less than 1 DEG C, judge what this was in charge of
Heat exchange efficiency is too low, then closes this valve being in charge of, while remind user to repair.
Embodiment
As shown in figure 1, the present embodiment soil heat exchange local heat balance monitoring, alarming control system, including：
More backwater for connecting each heat exchange well 3 are in charge of 16, more water inlets are in charge of 21, the more water inlets be in charge of be communicated into
Supply mains 2, and the more backwater, which are in charge of, is communicated to return main 1, and the return main is provided with the first return water temperature sensor
12, each backwater, which is in charge of, is provided with the second return water temperature sensor 13, and the water inlet manifold passes provided with the first inflow temperature
Sensor 22, each water inlet, which is in charge of, is provided with the second inflow temperature sensor 23；Each backwater be in charge of be respectively equipped with it is electronic
Regulating valve 15；
Also include sensing with the first described return water temperature sensor, the second return water temperature sensor, the first inflow temperature
Device, the thermal balance detection warning device 4 of the second inflow temperature sensor connection, the thermal balance detection warning device is used for real-time
The first return water temperature value of the first return water temperature sensor output is obtained, the first of the output of the first inflow temperature sensor enters water temperature
Angle value, the absolute value of the first return water temperature value and the first inflow temperature value difference value is calculated, the absolute value is the first absolute value, is judged
First absolute value whether in the range of the first predetermined temperature threshold,
If the first absolute value does not process in the range of the first predetermined temperature threshold；
If the first absolute value is not in the range of the first predetermined temperature threshold, alert, close described each time
Electric control valve on moisture pipe；
The thermal balance detection warning device is additionally operable to obtain second time of each second return water temperature sensor output in real time
Water temperature angle value, the second inflow temperature value of each second inflow temperature sensor output, calculates the second return water temperature value and enters with second
Whether the absolute value of coolant-temperature gage value difference value, the absolute value are the second absolute value, judge the second absolute value in predetermined second temperature
In threshold range,
If the second absolute value does not process in predetermined second temperature threshold range；
If the second absolute value is not in predetermined second temperature threshold range, alert, the backwater point is closed
Electric control valve on pipe；
If the second absolute value ＜ 1, alert, the electric control valve 15 that the backwater is in charge of is closed.
Further, the return main is provided with flow sensor 14.The return main is provided with water pump 17.
Outside air temperature is less than 10 DEG C, 5.5 ~ 7.5 DEG C of water inlet manifold temperature, 11.5 ~ 13 DEG C of return water temperature, the first temperature threshold
For 4 to 8 DEG C；
Outside air temperature is more than or equal to 10 DEG C, and 34 ~ 43 DEG C of inflow temperature, 27 ~ 34 DEG C of return water temperature, the first temperature threshold is 0
To 16 DEG C；
Second temperature threshold range is [m, n], and described second temperature threshold range determines according to the first absolute value, n=the
One absolute value+2, if absolute value -2 of the first absolute value ＞ 2, m=first, if the first absolute value ＜ 2, m=0.
In a kind of actual conditions, in system operation, due to need and soil carry out heat exchange, therefore intake and
There is temperature difference between backwater, rule of thumb, winter operation, underground buried tube, 5.5 ~ 7.5 DEG C of inflow temperature（It is average 7.15 DEG C）, return
11.5 ~ 13 DEG C of coolant-temperature gage（It is average 12.13 DEG C, 5 DEG C or so of the temperature difference）；Summer is run, 34 ~ 43 DEG C of underground buried tube inflow temperature（It is flat
Equal 41.48 DEG C）, 27 ~ 34 DEG C of return water temperature（It is average 32.3 DEG C）, 9 DEG C or so of the temperature difference.But data above is ideal state,
In actual motion, local geological conditions, outdoor dry-bulb temperature, building actual use situation etc. all can enter backwater production in source over the ground
It is raw to influence, but the overall principle is the big temperature difference, low discharge, the big temperature difference can improve heat exchange efficiency, and low discharge then saves energy.
For each is in charge of, its temperature difference should keep basically identical with the temperature difference of house steward, on the one hand each to be in charge of
The temperature difference should be compared with house steward's temperature difference, on the other hand, it is necessary to calculate all mean temperature differences being in charge of, if what this was in charge of
The temperature difference and house steward's temperature difference and be respectively in charge of the temperature difference average value it is substantially suitable, then this, which is in charge of, belongs to normal condition；If that is in charge of enters
Compared with backwater temperature difference and house steward enter backwater temperature difference or be respectively in charge of and averagely enter backwater temperature difference, more than 2 DEG C of temperature difference, then this is judged
It is in charge of exception, reminds user to check, if the temperature difference more than 3 DEG C, and more than 10 minutes duration, then judges that this is in charge of and had
Failure, simultaneously close off this back-water valve (BWV) being in charge of.If the temperature difference entered between backwater being in charge of is less than 1 DEG C, judge what this was in charge of
Heat exchange efficiency is too low, then closes this valve being in charge of, while remind user to repair.
Heat exchange amount regulation of the present embodiment between each heat exchange well array, and total heat exchange amount of whole heat exchange well is counted
Calculate and monitor, prevent total heat exchange amount from exceeding design load, cause irremediable loss.
Temperature monitoring is carried out to every group of heat exchange well array, analyzed for the smaller heat exchange well array of heat transfer temperature difference,
If the temperature difference of this array is significantly lower than other array average values, illustrate that the exchange capability of heat of this array, should already close to the limit
The inflow of this array is adjusted, increases the inflow of other arrays, to balance each array exchange capability of heat, prevents certain an array because changing
Heat causes the irreversible decline of this array exchange capability of heat beyond the limiting value of this array.
The present embodiment thermal balance monitoring, alarming controller collection water knockout drum is respectively in charge of temperature and water collector is respectively in charge of temperature, point
The disengaging water temperature difference be in charge of of analysis each pair, is in charge of for Temperature Difference Ratio is less, then adjusts this control valve opening being in charge of, reduce into
Water, the mean temperature difference value for keeping this temperature approach being in charge of and being respectively in charge of is substantially suitable, still compares if reducing the water-carrying capacity temperature difference
It is smaller, then close this and be in charge of.
The heated balance monitoring alarm controller control of electric control valve being respectively in charge of, and the corresponding temperature difference being in charge of connect
Lock.Thermal balance monitoring, alarming controller integrates Ethernet interface, and warning message can notify user terminal the very first time, and can
To set the information such as temperature range, heat exchange amount in client.
Described above is only preferred embodiment of the present utility model, is not limited to the utility model, it is noted that
For those skilled in the art, on the premise of the utility model technical principle is not departed from, can also do
Go out some improvement and modification, these improvement and modification also should be regarded as the scope of protection of the utility model.
Claims (4)
- A kind of 1. soil heat exchange local heat balance monitoring, alarming control system, it is characterised in that including：More backwater for connecting each heat exchange well are in charge of, more water inlets are in charge of, and the more water inlets, which are in charge of, is communicated to water inlet manifold, more Backwater described in root, which is in charge of, is communicated to return main, and the return main is provided with the first return water temperature sensor, each backwater It is in charge of and is provided with the second return water temperature sensor, the water inlet manifold is provided with the first inflow temperature sensor, each water inlet It is in charge of and is provided with the second inflow temperature sensor；Each backwater, which is in charge of, is respectively equipped with electric control valve；Also include and the first described return water temperature sensor, the second return water temperature sensor, the first inflow temperature sensor, the The thermal balance detection warning device of two inflow temperature sensors connection, thermal balance detection warning device are used to obtaining the in real time First return water temperature value of one return water temperature sensor output, the first inflow temperature value of the first inflow temperature sensor output, The absolute value of the first return water temperature value and the first inflow temperature value difference value is calculated, the absolute value is the first absolute value, judges first Absolute value whether in the range of the first predetermined temperature threshold,If the first absolute value does not process in the range of the first predetermined temperature threshold；If the first absolute value is not in the range of the first predetermined temperature threshold, alert, each backwater point is closed Electric control valve on pipe；The thermal balance detection warning device is additionally operable to obtain the second backwater temperature of each second return water temperature sensor output in real time Angle value, the second inflow temperature value of each second inflow temperature sensor output, calculates the second return water temperature value and second and enters water temperature Whether the absolute value of angle value difference, the absolute value are the second absolute value, judge the second absolute value in predetermined second temperature threshold value In the range of,If the second absolute value does not process in predetermined second temperature threshold range；If the second absolute value alert, is closed the backwater and is in charge of not in predetermined second temperature threshold range Electric control valve；If the second absolute value ＜ 1, alert, close the electric control valve that the backwater is in charge of.
- 2. soil heat exchange local heat balance monitoring, alarming control system according to claim 1, it is characterised in that described time Supply mains is provided with flow sensor.
- 3. soil heat exchange local heat balance monitoring, alarming control system according to claim 1, it is characterised in that described time Supply mains is provided with water pump.
- 4. soil heat exchange local heat balance monitoring, alarming control system according to claim 1, it is characterised in that outdoor gas Temperature is less than 10 DEG C, and 5.5 ~ 7.5 DEG C of water inlet manifold temperature, 11.5 ~ 13 DEG C of return water temperature, the first temperature threshold is 4 to 8 DEG C；Outside air temperature is more than or equal to 10 DEG C, and 34 ~ 43 DEG C of inflow temperature, 27 ~ 34 DEG C of return water temperature, the first temperature threshold is 0 to 16 ℃；Second temperature threshold range is [m, n], and described second temperature threshold range determines that n=the first is exhausted according to the first absolute value To value+2, if absolute value -2 of the first absolute value ＞ 2, m=first, if the first absolute value ＜ 2, m=0.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720492389.5U CN206875665U (en) | 2017-05-05 | 2017-05-05 | Soil heat exchange local heat balance monitoring, alarming control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720492389.5U CN206875665U (en) | 2017-05-05 | 2017-05-05 | Soil heat exchange local heat balance monitoring, alarming control system |
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| Publication Number | Publication Date |
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| CN206875665U true CN206875665U (en) | 2018-01-12 |
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| CN201720492389.5U Withdrawn - After Issue CN206875665U (en) | 2017-05-05 | 2017-05-05 | Soil heat exchange local heat balance monitoring, alarming control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958925A (en) * | 2017-05-05 | 2017-07-18 | 南京常格科技发展有限公司 | Soil heat exchange local heat balance monitoring, alarming control system |
| CN110243091A (en) * | 2019-05-13 | 2019-09-17 | 湖南达道新能源开发有限公司 | A kind of heat exchanger and control method for geothermal exploitation |
-
2017
- 2017-05-05 CN CN201720492389.5U patent/CN206875665U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958925A (en) * | 2017-05-05 | 2017-07-18 | 南京常格科技发展有限公司 | Soil heat exchange local heat balance monitoring, alarming control system |
| CN106958925B (en) * | 2017-05-05 | 2023-10-03 | 南京常格科技发展有限公司 | Soil heat exchange area heat balance monitoring alarm control system |
| CN110243091A (en) * | 2019-05-13 | 2019-09-17 | 湖南达道新能源开发有限公司 | A kind of heat exchanger and control method for geothermal exploitation |
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanjing Jiangbei new area Yangzi Technology Finance Leasing Co.,Ltd. Assignor: NANJING CHANGGE TECHNOLOGY DEVELOPMENT Co.,Ltd. Contract record no.: X2021320000058 Denomination of utility model: Monitoring and alarm control system of heat balance in soil heat exchange area Granted publication date: 20180112 License type: Exclusive License Record date: 20210804 |
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Denomination of utility model: Monitoring and alarm control system of heat balance in soil heat exchange area Effective date of registration: 20210811 Granted publication date: 20180112 Pledgee: Nanjing Jiangbei new area green Financing Guarantee Co.,Ltd. Pledgor: NANJING CHANGGE TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2021320000169 |
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Assignee: Nanjing Jiangbei new area Yangzi Technology Finance Leasing Co.,Ltd. Assignor: NANJING CHANGGE TECHNOLOGY DEVELOPMENT CO.,LTD. Contract record no.: X2021320000058 Date of cancellation: 20220909 |
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Date of cancellation: 20220908 Granted publication date: 20180112 Pledgee: Nanjing Jiangbei new area green Financing Guarantee Co.,Ltd. Pledgor: NANJING CHANGGE TECHNOLOGY DEVELOPMENT CO.,LTD. Registration number: Y2021320000169 |
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