CN205208854U - Flow dynamic balance device can be monitored to distributing type - Google Patents
Flow dynamic balance device can be monitored to distributing type Download PDFInfo
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- CN205208854U CN205208854U CN201521045715.5U CN201521045715U CN205208854U CN 205208854 U CN205208854 U CN 205208854U CN 201521045715 U CN201521045715 U CN 201521045715U CN 205208854 U CN205208854 U CN 205208854U
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Abstract
The utility model discloses a flow dynamic balance device can be monitored to distributing type, including central air conditioning's refrigerated water pipe -line system, refrigerated water pipe -line system includes a plurality of refrigerated water branch roads, and the refrigerated water branch road divide into water supply branch and return water branch road, last first manual stop valve door, flow control valve, water supply temperature sensor and the flowmeter installed in proper order of water supply branch, the return water props up installs manual stop valve door of second and return water temperature sensor on the road in proper order, near each refrigerated water branch road is provided with branch controller, and each branch controller takes into account return water temperature sensor with flow control valve, water supply temperature sensor, flow respectively and is connected, each branch controller passes through ethernet and connects the central computer. This device can go out data such as each main tributary way flow, the difference in temperature, valve opening by real -time detection, informs the administrator, again can be according to the flow on the difference in temperature and each main tributary way of other information regulation to realize hydraulic balance.
Description
Technical field
The utility model relates to a kind of distributedly monitors flow dynamic apparatus.
Background technology
The chilled water pipeline system of current central air-conditioning is in order to ensure hydraulic equilibrium, generally at main branch road, dynamic balance valve is installed, end branch installs static balancing valve, because dynamic and static balancing valve work alone separately, flow can not be fed back in time, the data such as the temperature difference, does system waterpower balance after debugging terminates and in day-to-day operation? where there is there problem? manager can not effectively distinguish.
The operation principle of dynamic balance valve detects the aperture supplying the pressure differential of backwater to carry out control valve, in practice principle, chilled water system is enclosed, and the dirt in water, bubble all bring larger interference to the detection of pressure reduction, directly causes balanced valve to regulate abnormal.
Can detect the data such as flow, the temperature difference of each main branch road in real time, inform manager, adopt more reliable detection means to ensure the Flow-rate adjustment of each main branch road, avoid " large discharge, the little temperature difference " phenomenon, be the necessary demand that current central air-conditioning energy is run.
Utility model content
For the technical problem of above-mentioned existence, the purpose of this utility model proposes a kind of the distributed of chilled water pipeline system for central air-conditioning to monitor flow dynamic equilibrium device, the data such as each main bypass flow, the temperature difference, valve opening can be detected in real time, inform manager, the flow of each main branch road can be regulated again according to the temperature difference and other information, thus realize hydraulic equilibrium.
Technical solution of the present utility model is achieved in that
One is distributed monitors flow dynamic equilibrium device, comprise the chilled water pipeline system of central air-conditioning, chilled water pipeline system comprises multiple chilled water branch road, chilled water branch road is divided into water supply branch road and backwater branch road, described water supply branch road is installed successively the first manual shutoff valve, flow control valve, supply water temperature sensor and flowmeter, described backwater branch road is installed successively the second manual shutoff valve and return water temperature sensor; Be provided with branch controller near each chilled water branch road, each branch controller is taken into account return water temperature sensor with flow control valve, supply water temperature sensor, flow respectively and is connected; Each branch controller connects central computer by Ethernet.
As preferably, distributedly monitor in flow dynamic equilibrium device above-mentioned, described flow control valve is electric ball valve door.
As preferably, distributedly monitor in flow dynamic equilibrium device above-mentioned, described supply water temperature sensor and return water temperature sensor adopt plug-in type or the docile and obedient formula of pipe surface.
As preferably, distributedly monitor in flow dynamic equilibrium device above-mentioned, described flowmeter adopts electromagnetic type or ultrasonic type.
As preferably, distributedly monitor in flow dynamic equilibrium device above-mentioned, each branch controller adopts supply backwater temperature difference control flow check adjustable valve.
As preferably, distributedly monitor in flow dynamic equilibrium device above-mentioned, each supply water temperature sensor is simplified to the temperature sensor only adopting a house steward.
As preferably, distributedly monitor in flow dynamic equilibrium device above-mentioned, the quantity of chilled water branch road can more than 3 loops, at most can to 256 loops.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further detailed:
Fig. 1 is the piping diagram of the utility model five chilled water branch roads;
Fig. 2 is the composition frame chart of the utility model five branch controllers.
Detailed description of the invention
As shown in Figure 1-2, one is distributed monitors flow dynamic equilibrium device, comprise the chilled water pipeline system of central air-conditioning, chilled water pipeline system comprises five chilled water branch roads, chilled water branch road is divided into water supply branch road and backwater branch road, described water supply branch road is installed successively the first manual shutoff valve (1, 7, 13, 19, 25), flow control valve (2, 8, 14, 20, 26), supply water temperature sensor (3, 9, 15, 21, 27) and flowmeter (4, 10, 16, 22, 28), described backwater branch road is installed successively the second manual shutoff valve (5, 11, 17, 23, 29) and return water temperature sensor (6, 12, 18, 24, 30), be provided with five branch controllers (31,32,33,34,35) near five chilled water branch roads, five branch controllers are taken into account return water temperature sensor with flow control valve, supply water temperature sensor, flow respectively and are connected, five branch controllers connect central computer 37 by Ethernet 36, exchange information and instruction.
The basic control mode of 1# chilled water branch road: the input access of controller 31 supplies the temperature signal (3 of backwater, 6) and flow meter signal 4, controller 31 is according to supplying the temperature difference of backwater and setting Temperature Difference Ratio comparatively, output signal goes the aperture adjusting flow control valve 2, simultaneously by Ethernet 36, the operation information of this branch road is passed to central computer 37, and accepts its monitoring.
The basic control mode of 2# chilled water branch road: the input access of controller 32 supplies the temperature signal (9 of backwater, 12) and flow meter signal 10, controller 32 is according to supplying the temperature difference of backwater and setting Temperature Difference Ratio comparatively, output signal goes the aperture adjusting flow control valve 8, simultaneously by Ethernet 36, the operation information of this branch road is passed to central computer 37, and accepts its monitoring.
The basic control mode of 3# chilled water branch road: the input access of controller 33 supplies the temperature signal 15 of backwater, 18 and flow meter signal 16, controller 33 is according to supplying the temperature difference of backwater and setting Temperature Difference Ratio comparatively, output signal goes the aperture adjusting flow control valve 14, simultaneously by Ethernet 36, the operation information of this branch road is passed to central computer 37, and accepts its monitoring.
The basic control mode of 4# chilled water branch road: the input access of controller 34 supplies the temperature signal (21 of backwater, 24) and flow meter signal 22, controller 34 is according to supplying the temperature difference of backwater and setting Temperature Difference Ratio comparatively, output signal goes the aperture adjusting flow control valve 20, simultaneously by Ethernet 36, the operation information of this branch road is passed to central computer 37, and accepts its monitoring.
The basic control mode of 5# chilled water branch road: the input access of controller 35 supplies the temperature signal (27 of backwater, 30) and flow meter signal 28, controller 35 is according to supplying the temperature difference of backwater and setting Temperature Difference Ratio comparatively, output signal goes the aperture adjusting flow control valve 26, simultaneously by Ethernet 36, the operation information of this branch road is passed to central computer 37, and accepts its monitoring.
Be in the system of (7-12 DEG C) in chilled water design load, the setting temperature difference of the main branch road of every bar is generally 4 DEG C, can adjust according to actual conditions.The flow actual value of the main branch road of every bar and the design load of chilled water system are made comparisons, and are the important indicators whether checking water system balances.The monitoring system of the utility model device can be incorporated to the BA system of air-conditioning, saving resource.The utility model device can increase and realizes other functions, such as timesharing cooling, cold and cool region etc.
Claims (7)
1. distributedly monitor flow dynamic equilibrium device for one kind, comprise the chilled water pipeline system of central air-conditioning, chilled water pipeline system comprises multiple chilled water branch road, chilled water branch road is divided into water supply branch road and backwater branch road, it is characterized in that, described water supply branch road is installed successively the first manual shutoff valve, flow control valve, supply water temperature sensor and flowmeter, described backwater branch road is installed successively the second manual shutoff valve and return water temperature sensor; Be provided with branch controller near each chilled water branch road, each branch controller is taken into account return water temperature sensor with flow control valve, supply water temperature sensor, flow respectively and is connected; Each branch controller connects central computer by Ethernet.
2. according to claim 1ly distributedly monitor flow dynamic equilibrium device, it is characterized in that: described flow control valve is electric ball valve door.
3. according to claim 1ly distributedly monitor flow dynamic equilibrium device, it is characterized in that: described supply water temperature sensor and return water temperature sensor adopt plug-in type or the docile and obedient formula of pipe surface.
4. according to claim 1ly distributedly monitor flow dynamic equilibrium device, it is characterized in that: described flowmeter adopts electromagnetic type or ultrasonic type.
5. according to claim 1ly distributedly monitor flow dynamic equilibrium device, it is characterized in that: each branch controller adopts supply backwater temperature difference control flow check adjustable valve.
6. according to claim 1ly distributedly monitor flow dynamic equilibrium device, it is characterized in that: each supply water temperature sensor is simplified to the temperature sensor only adopting a house steward.
7. according to claim 1ly distributedly monitor flow dynamic equilibrium device, it is characterized in that: the quantity of chilled water branch road can more than 3 loops, at most can to 256 loops.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521045715.5U CN205208854U (en) | 2015-12-16 | 2015-12-16 | Flow dynamic balance device can be monitored to distributing type |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521045715.5U CN205208854U (en) | 2015-12-16 | 2015-12-16 | Flow dynamic balance device can be monitored to distributing type |
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| CN205208854U true CN205208854U (en) | 2016-05-04 |
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| CN201521045715.5U Active CN205208854U (en) | 2015-12-16 | 2015-12-16 | Flow dynamic balance device can be monitored to distributing type |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917126A (en) * | 2017-03-29 | 2018-11-30 | 动态技术有限公司 | Air-conditioning system and air conditioning control method |
| CN109434048A (en) * | 2018-12-28 | 2019-03-08 | 西安科唯电热科技有限公司 | A kind of crystallizer cooling device and its cooling means |
| CN109442817A (en) * | 2018-11-29 | 2019-03-08 | 宁波杭州湾新区祥源动力供应有限公司 | A kind of plant area's chilled water water supply network hydraulic equilibrium system |
| CN110471475A (en) * | 2019-08-14 | 2019-11-19 | 中国商用飞机有限责任公司 | Humidity control system and the application method realized by it |
| CN112161392A (en) * | 2020-10-10 | 2021-01-01 | 武汉奇威特建安工程有限公司 | Automatic control system with hydraulic balance for air conditioning engineering |
-
2015
- 2015-12-16 CN CN201521045715.5U patent/CN205208854U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917126A (en) * | 2017-03-29 | 2018-11-30 | 动态技术有限公司 | Air-conditioning system and air conditioning control method |
| CN109442817A (en) * | 2018-11-29 | 2019-03-08 | 宁波杭州湾新区祥源动力供应有限公司 | A kind of plant area's chilled water water supply network hydraulic equilibrium system |
| CN109442817B (en) * | 2018-11-29 | 2024-04-09 | 宁波杭州湾新区祥源动力供应有限公司 | Water power balance system of plant chilled water supply network |
| CN109434048A (en) * | 2018-12-28 | 2019-03-08 | 西安科唯电热科技有限公司 | A kind of crystallizer cooling device and its cooling means |
| CN110471475A (en) * | 2019-08-14 | 2019-11-19 | 中国商用飞机有限责任公司 | Humidity control system and the application method realized by it |
| CN112161392A (en) * | 2020-10-10 | 2021-01-01 | 武汉奇威特建安工程有限公司 | Automatic control system with hydraulic balance for air conditioning engineering |
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