CN212320185U - Water cooling circulation system of dynamometer - Google Patents
Water cooling circulation system of dynamometer Download PDFInfo
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- CN212320185U CN212320185U CN202021164188.0U CN202021164188U CN212320185U CN 212320185 U CN212320185 U CN 212320185U CN 202021164188 U CN202021164188 U CN 202021164188U CN 212320185 U CN212320185 U CN 212320185U
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Abstract
The utility model provides a water-cooling circulation system of dynamometer, including the water storage tank, the dynamometer, heat exchanger, the electronic three-way valve that is connected with rack measurement and control unit, the delivery port of dynamometer communicates with each other through the water inlet of first pipeline with the water storage tank, the delivery port of water storage tank loops through heat exchanger's inner loop passageway and communicates with each other with the first import of electronic three-way valve, electronic three-way valve's second import communicates with each other with first pipeline through the bypass pipeline, electronic three-way valve's export communicates with each other with the water inlet of dynamometer through the second pipeline, and heat exchanger's outer loop path's both ends communicate with each other with extrinsic cycle inlet tube. The design not only prolongs the service life of the dynamometer and reduces the consumption of refrigeration energy consumption, but also has low cost.
Description
Technical Field
The utility model belongs to the technical field of the dynamometer cooling, concretely relates to water-cooling circulation system of dynamometer.
Background
The cooling system of the water-cooled dynamometer has great influence on the service life and the maintenance cost of the dynamometer. The traditional water-cooled dynamometer cooling system generally adopts an open circulation system or a closed circulation system; the open circulation system adopts tap water or softened water after softening treatment, the water system of the open circulation system is easy to pollute water when contacting with air, and meanwhile, the water quality of the open circulation system can meet the use requirement of the water-cooled dynamometer only by frequently replacing the tap water and softening the tap water, so that the problems of serious waste of tap water and softening agents and incomplete water quality softening exist; the closed circulation system provides purified water for a circulation water system through the production process of the purified water such as activated carbon, proton exchange membranes and the like, although the requirement of the cooling water quality of the water-cooled dynamometer can be met, the production equipment of the purified water is expensive, and the waste of tap water in the water making process is serious. For a test room with a low water-cooled dynamometer, a cooling system scheme which can meet the water quality requirement of the water-cooled dynamometer and is low in cost needs to be found between an open circulating water system and a closed circulating water system.
Disclosure of Invention
The utility model aims at overcoming the above-mentioned problem that prior art exists, provide a novel dynamometer water cooling circulation system.
In order to achieve the above purpose, the utility model provides the following technical scheme:
a water cooling circulation system of a dynamometer comprises a water storage tank, the dynamometer and a heat exchanger;
the circulating system still includes the electronic three-way valve that is connected with rack measurement and control unit, the delivery port of dynamometer machine communicates with each other through the water inlet of first pipeline with the water storage tank, and the delivery port of water storage tank loops through heat exchanger's inner loop passageway and communicates with each other with electronic three-way valve's first import, and electronic three-way valve's second import communicates with each other through bypass pipeline and first pipeline, and electronic three-way valve's export communicates with each other through the water inlet of second pipeline with the dynamometer machine, just heat exchanger's outer loop passageway's both ends communicate with each other with extrinsic cycle inlet tube, extrinsic cycle outlet pipe.
The circulating system further comprises a manual three-way ball valve and a manual three-way ball valve, the manual three-way ball valve and the manual three-way ball valve are located on the first pipeline and the second pipeline respectively, the inlet of the manual three-way ball valve is communicated with the water outlet of the dynamometer, the first outlet of the manual three-way ball valve is communicated with the water inlet of the water storage tank and the bypass pipeline, the second outlet of the manual three-way ball valve is communicated with the outer circulating water outlet pipe of the test chamber, the first inlet and the outlet of the manual three-way ball valve are communicated with the outlet of the electric three-way valve and the water inlet of the dynamometer respectively, and the second inlet of the manual three-way ball valve is communicated with the outer circulating water inlet pipe of the test chamber.
Still be provided with dynamometer machine play water temperature sensor, dynamometer machine play water pressure sensor, flow switch on the first pipeline, flow switch is located between the delivery port of manual three-way ball valve and dynamometer machine, dynamometer machine play water temperature sensor, dynamometer machine play water pressure sensor are located between manual three-way ball valve and the flow switch, be provided with liquid level switch on the water storage tank, be provided with circulating water pump on the second pipeline, dynamometer machine play water temperature sensor, dynamometer machine play water pressure sensor, flow switch, liquid level switch and rack observe and control the signal input part of unit and be connected, and the signal output part and the electric three-way valve, rack alarm system, engine, circulating water pump of rack observe and control unit are connected.
And a liquid level observation window is also arranged on the water storage tank.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model relates to a water-cooling circulation system of dynamometer, which comprises a water storage tank, a heat exchanger and an electric three-way valve connected with a rack measurement and control unit, wherein the water outlet of the dynamometer is communicated with the water inlet of the water storage tank through a first pipeline, the water outlet of the water storage tank is communicated with the first inlet of the electric three-way valve through an inner circulation channel of the heat exchanger in sequence, the second inlet of the electric three-way valve is communicated with the first pipeline through a bypass pipeline, the outlet of the electric three-way valve is communicated with the water inlet of the dynamometer through a second pipeline, and the two ends of an outer circulation channel of the heat exchanger are respectively communicated with an outer circulation water inlet pipe and an outer circulation water outlet pipe, when the system is operated, the inner circulation water flows out of the water storage tank, enters the dynamometer to cool the inner circulation water after passing through the, one way enters the water storage tank and then participates in the next circulation through the cooling treatment of the heat exchanger, the other way directly enters the second pipeline through the bypass pipeline and participates in the next circulation, the rack measurement and control unit can control the constancy of the water outlet temperature of the dynamometer under different load conditions by adjusting the flow of two inlets of the electric three-way valve, the system is a closed water-cooling circulation system, not only can effectively prevent the scaling of a water-cooling dynamometer water channel, avoid overheating after the scaling of the water-cooling dynamometer water channel, the service life of the dynamometer is prolonged, the consumption of refrigeration energy consumption is reduced, but also the cooling capacity of the system only needs to meet the requirement of a single water-cooling dynamometer, the equipment manufacturing cost can be effectively reduced, and an expensive closed circulating water system of a test room is saved. Therefore, the utility model discloses not only improve the life of dynamometer machine, reduced the consumption of refrigeration energy consumption, it is with low costs moreover.
2. The utility model relates to a water-cooling circulation system of dynamometer machine still includes a manual tee bend ball valve, No. two manual tee bend ball valves, a manual tee bend ball valve, No. two manual tee bend ball valves are located first pipeline respectively, on the second pipeline, the import of a manual tee bend ball valve communicates with each other with the delivery port of dynamometer machine, the first export of a manual tee bend ball valve communicates with each other with the water inlet of water storage tank, the bypass pipeline, the second export of a manual tee bend ball valve communicates with each other with the outer circulation outlet pipe of laboratory chamber, the first import of No. two manual tee bend ball valves, the export communicates with each other with the export of electric three-way valve respectively, the water inlet of dynamometer machine, the second import of No. two manual tee bend ball valves communicates with each other with the outer circulation inlet tube of laboratory chamber, this design makes this system have two way cooling system, when normal dynamometer machine cooling system breaks down and the urgent need carry out the experimental task, the accessible manually switches over a manual tee bend ball valve, the manual tee bend ball valve, And the second manual three-way ball valve enables the outdoor circulating water outlet pipe of the test chamber to be communicated with the water outlet of the dynamometer and the outdoor circulating water inlet pipe of the test chamber to be communicated with the water inlet of the dynamometer, so that the open circulating water in the test chamber can be adopted for carrying out short-time test, and the smooth running of a test task is ensured. Therefore, the utility model discloses a smooth going on of experimental task when dynamometer cooling system trouble.
3. The utility model relates to a signal input end of a rack measurement and control unit in a water-cooling circulation system of a dynamometer, which is connected with a dynamometer water outlet temperature sensor, a dynamometer water outlet pressure sensor, a flow switch and a liquid level switch, a signal output end of the rack measurement and control unit is connected with an electric three-way valve, a rack alarm system, an engine and a circulating water pump, when the system runs, the rack measurement and control unit receives monitoring signals from a dynamometer water outlet temperature sensor, a dynamometer water outlet pressure sensor, a flow switch and a liquid level switch in real time, if the water temperature signal has deviation, the rack measurement and control unit can adjust the water temperature to a normal range by controlling and adjusting the opening of the electric three-way valve, if the water outlet pressure, the flow or the liquid level are abnormal, the rack measurement and control unit alarms the control rack alarm system and controls the engine and the circulating water pump to stop working, so that the safety of the system is ensured. Therefore, the utility model discloses the security of system has been guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a control logic diagram of the present invention.
In the figure, a water storage tank 1, a liquid level switch 11, a liquid level observation window 12, a dynamometer 2, a first pipeline 21, a bypass pipeline 22, a second pipeline 23, a heat exchanger 3, an internal circulation channel 31, an external circulation channel 32, an electric three-way valve 4, an external circulation water inlet pipe 5, an external circulation water outlet pipe 6, a first manual three-way ball valve 7, a second manual three-way ball valve 8, an external circulation water outlet pipe 9 of a test chamber, an external circulation water inlet pipe 10 of the test chamber, a dynamometer water outlet temperature sensor 20, a dynamometer water outlet pressure sensor 30, a flow switch 40, a circulating water pump 50, a rack measurement and control unit 60, a rack alarm system 70 and an engine 80.
Detailed Description
The present invention will be further described with reference to the following detailed description.
Referring to fig. 1 and 2, a water cooling circulation system of a dynamometer comprises a water storage tank 1, a dynamometer 2 and a heat exchanger 3;
the circulation system still includes the electronic three-way valve 4 that is connected with rack measurement and control unit 60, the delivery port of dynamometer machine 2 communicates with each other through the water inlet of first pipeline 21 with water storage tank 1, and the delivery port of water storage tank 1 loops through heat exchanger 3's internal circulation passageway 31 and communicates with each other with electronic three-way valve 4's first import, and electronic three-way valve 4's second import communicates with each other with first pipeline 21 through bypass pipeline 22, and electronic three-way valve 4's export communicates with each other through second pipeline 23 and dynamometer machine 2's water inlet, just heat exchanger 3's the outer circulation passageway 32 both ends communicate with each other with extrinsic cycle inlet tube 5, extrinsic cycle outlet pipe 6 respectively.
The circulating system further comprises a manual three-way ball valve 7 and a manual three-way ball valve 8, the manual three-way ball valve 7 and the manual three-way ball valve 8 are respectively located on the first pipeline 21 and the second pipeline 23, the inlet of the manual three-way ball valve 7 is communicated with the water outlet of the dynamometer 2, the first outlet of the manual three-way ball valve 7 is communicated with the water inlet of the water storage tank 1 and the bypass pipeline 22, the second outlet of the manual three-way ball valve 7 is communicated with the outer circulating water outlet pipe 9 of the test chamber, the first inlet and the outlet of the manual three-way ball valve 8 are respectively communicated with the outlet of the electric three-way valve 4 and the water inlet of the dynamometer 2, and the second inlet of the manual three-way ball valve 8 is communicated with the outer circulating water inlet pipe 10 of the test chamber.
The first pipeline 21 is further provided with a dynamometer water outlet temperature sensor 20, a dynamometer water outlet pressure sensor 30 and a flow switch 40, the flow switch 40 is located between the one manual three-way ball valve 7 and a water outlet of the dynamometer 2, the dynamometer water outlet temperature sensor 20 and the dynamometer water outlet pressure sensor 30 are located between the one manual three-way ball valve 7 and the flow switch 40, the water storage tank 1 is provided with a liquid level switch 11, and the second pipeline 23 is provided with a circulating water pump 50;
the dynamometer outlet water temperature sensor 20, the dynamometer outlet water pressure sensor 30, the flow switch 40 and the liquid level switch 11 are connected with the signal input end of the rack measurement and control unit 60, and the signal output end of the rack measurement and control unit 60 is connected with the electric three-way valve 4, the rack alarm system 70, the engine 80 and the circulating water pump 50.
And the water storage tank 1 is also provided with a liquid level observation window 12.
Example 1:
referring to fig. 1 and 2, a water cooling circulation system of dynamometer includes a water storage tank 1 filled with 50% ethylene glycol, a dynamometer 2, a heat exchanger 3, an electric three-way valve 4, and a rack measurement and control unit 60, a water outlet of the dynamometer 2 is communicated with a water inlet of the water storage tank 1 through a first pipeline 21, a water outlet of the water storage tank 1 is communicated with a first inlet of the electric three-way valve 4 through an internal circulation channel 31 of the heat exchanger 3 in sequence, a second inlet of the electric three-way valve 4 is communicated with the first pipeline 21 through a bypass pipeline 22, an outlet of the electric three-way valve 4 is communicated with a water inlet of the dynamometer 2 through a second pipeline 23, two ends of an external circulation channel 32 of the heat exchanger 3 are respectively communicated with an external circulation water inlet pipe 5 and an external circulation water outlet pipe 6, the first pipeline 21 is further provided with a dynamometer water outlet temperature sensor 20, a dynamometer outlet pressure sensor 30, flow switch 40, flow switch 40 is located between the delivery port of a manual tee bend ball valve 7 and dynamometer 2, dynamometer play water temperature sensor 20, dynamometer play water pressure sensor 30 are located between a manual tee bend ball valve 7 and flow switch 40, be provided with liquid level switch 11, liquid level observation window 12 on the water storage tank 1, be provided with circulating water pump 50 on the second pipeline 23, the signal input part of rack observing and controlling unit 60 is connected with dynamometer play water temperature sensor 20, dynamometer play water pressure sensor 30, flow switch 40, liquid level switch 11, and the signal output part of rack observing and controlling unit 60 is connected with electric three-way valve 4, rack alarm system 70, engine 80, circulating water pump 50.
Example 2:
referring to fig. 1, the difference from embodiment 1 is that:
the circulating system further comprises a manual three-way ball valve 7 and a manual three-way ball valve 8, the manual three-way ball valve 7 and the manual three-way ball valve 8 are respectively located on the first pipeline 21 and the second pipeline 23, the inlet of the manual three-way ball valve 7 is communicated with the water outlet of the dynamometer 2, the first outlet of the manual three-way ball valve 7 is communicated with the water inlet of the water storage tank 1 and the bypass pipeline 22, the second outlet of the manual three-way ball valve 7 is communicated with the outer circulating water outlet pipe 9 of the test chamber, the first inlet and the outlet of the manual three-way ball valve 8 are respectively communicated with the outlet of the electric three-way valve 4 and the water inlet of the dynamometer 2, and the second inlet of the manual three-way ball valve 8 is communicated with the outer circulating water inlet pipe 10 of the test chamber.
Claims (4)
1. The utility model provides a water-cooling circulation system of dynamometer, includes water storage tank (1), dynamometer (2), heat exchanger (3), its characterized in that:
the circulating system still includes electronic three-way valve (4) that are connected with rack measurement and control unit (60), the delivery port of dynamometer (2) communicates with each other through the water inlet of first pipeline (21) and water storage tank (1), and the delivery port of water storage tank (1) loops through inner loop channel (31) of heat exchanger (3) and the first import of electronic three-way valve (4) communicates with each other, and the second import of electronic three-way valve (4) communicates with each other through bypass pipeline (22) and first pipeline (21), and the export of electronic three-way valve (4) communicates with each other through the water inlet of second pipeline (23) with dynamometer (2), just the both ends of the outer loop channel (32) of heat exchanger (3) communicate with each other with extrinsic cycle inlet tube (5), extrinsic cycle outlet pipe (6) respectively.
2. The water-cooling circulation system of the dynamometer as claimed in claim 1, wherein: the circulating system also comprises a first manual three-way ball valve (7) and a second manual three-way ball valve (8), the first manual three-way ball valve (7) and the second manual three-way ball valve (8) are respectively located on a first pipeline (21) and a second pipeline (23), the inlet of the first manual three-way ball valve (7) is communicated with the water outlet of the dynamometer (2), the first outlet of the first manual three-way ball valve (7) is communicated with the water inlet of the water storage tank (1) and the bypass pipeline (22), the second outlet of the first manual three-way ball valve (7) is communicated with the test chamber external circulation water outlet pipe (9), the first inlet and the outlet of the second manual three-way ball valve (8) are respectively communicated with the outlet of the electric three-way valve (4) and the water inlet of the dynamometer (2), and the second inlet of the second manual three-way ball valve (8) is communicated with the test chamber external circulation water inlet pipe (10).
3. The water-cooling circulation system of the dynamometer as claimed in claim 2, wherein: still be provided with dynamometer machine play water temperature sensor (20), dynamometer machine play water pressure sensor (30), flow switch (40) on first pipeline (21), flow switch (40) are located between the delivery port of a manual tee bend ball valve (7) and dynamometer machine (2), dynamometer machine play water temperature sensor (20), dynamometer machine play water pressure sensor (30) are located between a manual tee bend ball valve (7) and flow switch (40), be provided with liquid level switch (11) on water storage tank (1), be provided with circulating water pump (50) on second pipeline (23), dynamometer machine play water temperature sensor (20), dynamometer machine play water pressure sensor (30), flow switch (40), liquid level switch (11) are connected with the signal input part of rack measurement and control unit (60), and the signal output part and electric tee bend valve (4) of rack measurement and control unit (60), The rack alarm system (70), the engine (80) and the circulating water pump (50) are connected.
4. The water-cooling circulation system of the dynamometer as claimed in any one of claims 1 to 3, wherein: and a liquid level observation window (12) is also arranged on the water storage tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021164188.0U CN212320185U (en) | 2020-06-22 | 2020-06-22 | Water cooling circulation system of dynamometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021164188.0U CN212320185U (en) | 2020-06-22 | 2020-06-22 | Water cooling circulation system of dynamometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212320185U true CN212320185U (en) | 2021-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021164188.0U Active CN212320185U (en) | 2020-06-22 | 2020-06-22 | Water cooling circulation system of dynamometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212320185U (en) |
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2020
- 2020-06-22 CN CN202021164188.0U patent/CN212320185U/en active Active
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