CN209743218U - comprehensive performance test bed for two-stage air suspension centrifugal air compressor - Google Patents
comprehensive performance test bed for two-stage air suspension centrifugal air compressor Download PDFInfo
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- CN209743218U CN209743218U CN201921579687.3U CN201921579687U CN209743218U CN 209743218 U CN209743218 U CN 209743218U CN 201921579687 U CN201921579687 U CN 201921579687U CN 209743218 U CN209743218 U CN 209743218U
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Abstract
The utility model discloses a two-stage gas suspension centrifugal air compressor machine comprehensive properties test bench, including one-level inlet end pipeline, second grade exhaust end pipeline, cooling gas discharge pipeline and cooling water circulating line. The utility model has the advantages that: this performance test platform structural design scientific and reasonable, convenient operation, degree of automation is high, can measure a plurality of data through a series of sensors that set up on the device, measured data is comprehensive, can satisfy the performance of air compressor machine and carry out the demand of relevant test, be applicable to air compressor machine and air supply system's air feed capability test under multiple model and the multiple operating mode, water-cooling capability test, air-cooling capability test, very big improvement work efficiency and accuracy, and the ergonomic design is good, test and operational environment have greatly been improved.
Description
Technical Field
The utility model relates to a belong to air compressor technical field, concretely relates to two-stage gas suspension centrifugal air compressor machine comprehensive properties test bench.
Background
the performance parameters of the air compressor, such as the displacement and the exhaust pressure, refer to data under a design working condition, and in the actual use process of the air compressor, the performance parameters of the air compressor change along with the deviation of the air inlet pressure and the air inlet temperature from the design working condition, so that the performance parameters of the air compressor are not only related to product parameters, but also directly influenced by factors such as the air inlet pressure and the ambient temperature. In view of the difference between the design working condition and the actual use process, the performance monitoring of the air compressor is required. At present, the performance detection system of the air compressor mainly has the following three types:
The manual interception detection is adopted, nozzles with different specifications need to be replaced according to different working conditions, the test is complicated, the operation is complex, and the applicability is limited; moreover, all detection processes are completed manually, the test result is greatly influenced by human factors, the labor cost is high, and the efficiency is low.
The control monitoring system is mainly used for detecting the working state of the air compressor to judge whether the air compressor works well, is complex in equipment, strict in requirement and high in cost, is only suitable for monitoring the working state of high-end precision equipment, and is narrow in application range.
The efficiency detection system of the air compressor only detects the working state of the air compressor under specific working conditions, and cannot monitor the working state or test the performance of the air compressors under different working conditions and different models; the efficiency of the air compressor is only intuitively obtained to adjust the air compressor.
The theoretical value calculated by the compressor research and development needs to be verified by the actual data of the test bed, and each item of comprehensive performance data needs to test the actual value in actual operation, so that the method is an important way for effectively verifying and calculating the theoretical value.
SUMMERY OF THE UTILITY MODEL
in order to solve the above problem of the prior art, the utility model provides a two-stage gas suspension centrifugal air compressor machine comprehensive properties test bench.
The utility model discloses a main technical scheme do: a comprehensive performance test bed for a two-stage air suspension centrifugal air compressor comprises a primary air inlet end pipeline communicated with a primary air inlet end of the air compressor to be tested, a secondary air outlet end pipeline communicated with a secondary air inlet end of the air compressor to be tested, a cooling air outlet pipeline communicated with a cooling air outlet joint of the air compressor to be tested, and a cooling water circulating pipeline communicated with a cooling water inlet joint and a cooling water outlet joint of the air compressor to be tested,
An air inlet flow sensor, an air inlet pressure sensor and an air inlet temperature sensor are sequentially arranged on the primary air inlet end pipeline,
An exhaust pressure sensor, an exhaust temperature sensor, a control valve and an electromagnetic valve which are connected in parallel are sequentially arranged on the secondary exhaust end pipeline,
a cooling air discharge flow sensor is arranged on the cooling air discharge pipeline close to a cold air discharge joint of the air compressor to be detected,
The cooling water circulating pipeline comprises a water inlet pipeline and a water drainage pipeline, a cooling water inlet electric valve is arranged on the water inlet pipeline, a water inlet flow sensor, a water inlet pressure sensor and a water inlet temperature sensor are sequentially arranged between the cooling water inlet electric valve and a cooling water inlet joint of the air compressor to be detected, and a water drainage temperature sensor, a water drainage pressure sensor and a water drainage flow sensor are sequentially arranged on the water drainage pipeline.
Furthermore, a main shaft of the air compressor to be detected is provided with a rotating speed sensor and a vibration sensor.
Furthermore, the air inlet flow sensor, the air inlet pressure sensor, the air inlet temperature sensor, the exhaust pressure sensor, the exhaust temperature sensor, the cooling air discharge flow sensor, the water inlet pressure sensor, the water inlet temperature sensor, the water discharge pressure sensor, the water discharge flow sensor, the rotating speed sensor and the vibration sensor are in signal connection with the external controller.
Furthermore, the air inlet flow sensor is a lemniscate flow meter, is arranged at an air inlet of the primary air inlet end pipeline and is fixedly connected with the primary air inlet end pipeline through a flange.
further, the cooling gas discharge flow sensor is a laminar flow meter.
Furthermore, a silencer is arranged at the tail end of the secondary exhaust end pipeline, and the silencer is connected with the control valve and the electromagnetic valve through a three-way pipe.
The utility model has the advantages that: this performance test platform structural design scientific and reasonable, convenient operation, degree of automation is high, can measure a plurality of data through a series of sensors that set up on the device, and measured data is comprehensive. Whether the air compressor meets the requirements of the product working condition or not can be judged, the defect that a traditional monitoring system cannot meet the performance inspection of the air compressor is overcome, the requirement that the performance of the air compressor is subjected to related test when the performance of the air compressor needs to be inspected before the air compressor is installed on a product or after the air compressor is installed on the product is met, the air compressor performance testing device is suitable for air supply performance testing, water cooling performance testing and air cooling performance testing of the air compressor and an air supply system under various types and various working conditions, the working efficiency and the accuracy are greatly improved, the man-machine engineering design is good, and the testing and the working environment are greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1 air inlet flow sensor, 2 air inlet pressure sensors, 3 first-stage air inlet end pipelines, 4 air inlet temperature sensors, 5 first-stage air inlet ends, 6 air compressors to be tested, 7 cooling air exhaust joints, 8 water exhaust temperature sensors, 9 cooling air exhaust flow sensors, 10 cooling air exhaust pipelines, 11 water exhaust pipelines, 12 water exhaust flow sensors, 13 water exhaust pressure sensors, 14 water inlet pipelines, 15 cooling water inlet electric valves, 16 water inlet flow sensors, 17 water inlet pressure sensors, 18 water inlet temperature sensors, 19 second-stage air inlet ends, 20 exhaust pressure sensors, 21 exhaust temperature sensors, 22 second-stage exhaust end pipelines, 23 control valves, 24 three-way pipes, 25 silencers, 26 electromagnetic valves, 27 cooling water exhaust joints and 28 cooling water inlet joints.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
examples
Referring to fig. 1, a two-stage air suspension centrifugal air compressor comprehensive performance test bed comprises a first-stage air inlet end pipeline 3 communicated with a first-stage air inlet end 5 of an air compressor 6 to be tested, a second-stage air outlet end pipeline 22 communicated with a second-stage air inlet end 19 of the air compressor 6 to be tested, a cooling air outlet pipeline 10 communicated with a cooling air outlet joint 7 of the air compressor 6 to be tested, and a cooling water circulation pipeline communicated with a cooling water inlet joint 28 and a cooling water outlet joint 27 of the air compressor 6 to be tested,
the primary air inlet end pipeline 3 is sequentially provided with an air inlet flow sensor 1, an air inlet pressure sensor 2 and an air inlet temperature sensor 4,
The secondary exhaust end pipeline 22 is sequentially provided with an exhaust pressure sensor 20, an exhaust temperature sensor 21, a control valve 23 and an electromagnetic valve 26 which are mutually connected in parallel,
A cooling air discharge flow sensor 9 is arranged on the cooling air discharge pipeline 10 at a position close to the cold air discharge joint 7 of the air compressor 6 to be measured,
Cooling water circulating line includes water intake pipe 14 and water drainage pipeline 11, be equipped with cooling water inlet motorised valve 15 on the water intake pipe 14, be equipped with into water flow sensor 16, intake pressure sensor 17 and intake temperature sensor 18 between cooling water inlet motorised valve 15 and the cooling water supply connector 28 of the air compressor machine 6 that awaits measuring in proper order, be equipped with drainage temperature sensor 8, drainage pressure sensor 13 and drainage flow sensor 12 on the water drainage pipeline 11 in proper order.
And a main shaft of the air compressor 6 to be detected is provided with a rotating speed sensor and a vibration sensor.
the intake flow sensor 1, the intake pressure sensor 2, the intake temperature sensor 4, the exhaust pressure sensor 20, the exhaust temperature sensor 21, the cooling gas discharge flow sensor 8, the intake flow sensor 16, the intake pressure sensor 17, the intake temperature sensor 18, the drain temperature sensor 8, the drain pressure sensor 13, the drain flow sensor 12, the rotation speed sensor and the vibration sensor are all in signal connection with an external controller.
The air inlet flow sensor 1 is a lemniscate flow meter, and the air inlet flow sensor 1 is arranged at an air inlet of the primary air inlet end pipeline 3 and is fixedly connected with the primary air inlet end pipeline 3 through a flange.
The cooling gas discharge flow sensor 9 is a laminar flow meter.
The tail end of the secondary exhaust end pipeline 22 is provided with a silencer 25, and the silencer 25 is connected with the control valve 23 and the electromagnetic valve 26 through a three-way pipe 24.
the test bed is externally connected with a PLC controller, a communication interface of the PLC controller is electrically connected with a communication port of a computer, one end of the PLC controller is connected with a series of sensors arranged, and the PLC controller is used for setting parameters of the running environment of the simulated vehicle-mounted air compressor under each working condition of the automobile, so that the air compressor runs under each working condition, and the running state of the performance test of the air compressor is monitored through the PLC controller and the computer.
When the test bed is used, the air compressor is started, the flow, pressure and temperature of gas at the gas inlet end, the gas pressure and temperature at the gas outlet end, the flow after the cooling gas is discharged, the inflow flow, pressure, temperature and drainage temperature, pressure and flow of water in the cooling water circulation pipeline, the internal rotating speed and vibration frequency of the air compressor can be monitored through a primary gas inlet end pipeline, a secondary gas outlet end pipeline, a cooling gas outlet pipeline, a cooling water circulation pipeline and a series of sensors, theoretical values are effectively verified and calculated according to the actual operation values, and the performance of the air compressor is evaluated through data analysis and the operation condition of the air compressor, wherein the performance comprises the compression ratio of the air compressor, the efficiency of a cooling system and the like.
And a part of gas in the primary air inlet end pipeline is discharged through the secondary exhaust end pipeline, a part of gas is discharged through the cooling gas discharge pipeline, and whether the air is leaked inside the air compressor can be judged by measuring the exhaust pressure sensor 20.
the temperature that the air compressor machine inside produced when different operating modes were operated is invariable, through cooling water circulation pipeline and a series of sensors of setting, can adjust the temperature in real time, guarantees the inside heat dissipation that can be timely of air compressor machine, makes the basis for the selection of water pump when air compressor machine loading. The whole loop of the cooling water circulation pipeline is also provided with a water pump, a water tank and a surface cooler which are communicated, the water pump is connected with a water inlet pipeline, a water discharge pipeline is communicated with the surface cooler, and the surface cooler is communicated with the water tank.
a control valve and an electromagnetic valve double-control valve are arranged on a pipeline of a secondary exhaust pipeline, when the air compressor surges, the electromagnetic valve can be automatically opened to exhaust, and a silencer connected with the tail end can eliminate buzzing and squeaking generated by air compression, so that excessive noise is avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a two-stage gas suspension centrifugal air compressor machine comprehensive properties test bench which characterized in that: comprises a primary air inlet end pipeline communicated with a primary air inlet end of the air compressor to be tested, a secondary air outlet end pipeline communicated with a secondary air inlet end of the air compressor to be tested, a cooling air outlet pipeline communicated with a cooling air outlet joint of the air compressor to be tested, and a cooling water circulating pipeline communicated with a cooling water inlet joint and a cooling water outlet joint of the air compressor to be tested,
An air inlet flow sensor, an air inlet pressure sensor and an air inlet temperature sensor are sequentially arranged on the primary air inlet end pipeline,
An exhaust pressure sensor, an exhaust temperature sensor, a control valve and an electromagnetic valve which are connected in parallel are sequentially arranged on the secondary exhaust end pipeline,
A cooling air discharge flow sensor is arranged on the cooling air discharge pipeline close to a cold air discharge joint of the air compressor to be detected,
the cooling water circulating pipeline comprises a water inlet pipeline and a water drainage pipeline, a cooling water inlet electric valve is arranged on the water inlet pipeline, a water inlet flow sensor, a water inlet pressure sensor and a water inlet temperature sensor are sequentially arranged between the cooling water inlet electric valve and a cooling water inlet joint of the air compressor to be detected, and a water drainage temperature sensor, a water drainage pressure sensor and a water drainage flow sensor are sequentially arranged on the water drainage pipeline.
2. The two-stage air suspension centrifugal air compressor comprehensive performance test bed according to claim 1, characterized in that: and a main shaft of the air compressor to be detected is provided with a rotating speed sensor and a vibration sensor.
3. The two-stage air suspension centrifugal air compressor comprehensive performance test bed of claim 2, characterized in that: the air inlet flow sensor, the air inlet pressure sensor, the air inlet temperature sensor, the exhaust pressure sensor, the exhaust temperature sensor, the cooling air exhaust flow sensor, the water inlet pressure sensor, the water inlet temperature sensor, the water outlet pressure sensor, the water outlet flow sensor, the rotating speed sensor and the vibration sensor are all in signal connection with the external controller.
4. The two-stage air suspension centrifugal air compressor comprehensive performance test bed of claim 3, characterized in that: the air inlet flow sensor is a lemniscate flow meter, is arranged at an air inlet of the primary air inlet end pipeline and is fixedly connected with the primary air inlet end pipeline through a flange.
5. The two-stage air suspension centrifugal air compressor comprehensive performance test bed of claim 3, characterized in that: the cooling gas discharge flow sensor is a laminar flow meter.
6. The two-stage air suspension centrifugal air compressor comprehensive performance test bed according to claim 1, characterized in that: and the tail end of the secondary exhaust end pipeline is provided with a silencer, and the silencer is connected with the control valve and the electromagnetic valve through a three-way pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921579687.3U CN209743218U (en) | 2019-09-23 | 2019-09-23 | comprehensive performance test bed for two-stage air suspension centrifugal air compressor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921579687.3U CN209743218U (en) | 2019-09-23 | 2019-09-23 | comprehensive performance test bed for two-stage air suspension centrifugal air compressor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454427A (en) * | 2019-09-23 | 2019-11-15 | 势加透博洁净动力如皋有限公司 | A kind of two-stage gas suspension centrifugal air compressor Performance Test System and method |
| CN110486318A (en) * | 2019-09-23 | 2019-11-22 | 势加透博洁净动力如皋有限公司 | A kind of two-stage gas suspension centrifugal air compressor is comprehensive performance test bed |
| CN115628907A (en) * | 2022-12-07 | 2023-01-20 | 江苏科华动力科技有限公司 | System and method for detecting flow of cooling gas circuit of two-stage gas suspension centrifugal air compressor bearing |
-
2019
- 2019-09-23 CN CN201921579687.3U patent/CN209743218U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454427A (en) * | 2019-09-23 | 2019-11-15 | 势加透博洁净动力如皋有限公司 | A kind of two-stage gas suspension centrifugal air compressor Performance Test System and method |
| CN110486318A (en) * | 2019-09-23 | 2019-11-22 | 势加透博洁净动力如皋有限公司 | A kind of two-stage gas suspension centrifugal air compressor is comprehensive performance test bed |
| CN115628907A (en) * | 2022-12-07 | 2023-01-20 | 江苏科华动力科技有限公司 | System and method for detecting flow of cooling gas circuit of two-stage gas suspension centrifugal air compressor bearing |
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