CN114876781A - Performance detection method and system for hydrogen compressor of hydrogen station - Google Patents
Performance detection method and system for hydrogen compressor of hydrogen station Download PDFInfo
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- CN114876781A CN114876781A CN202210517916.9A CN202210517916A CN114876781A CN 114876781 A CN114876781 A CN 114876781A CN 202210517916 A CN202210517916 A CN 202210517916A CN 114876781 A CN114876781 A CN 114876781A
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 80
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 80
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 238000001514 detection method Methods 0.000 title claims description 21
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000005265 energy consumption Methods 0.000 claims description 53
- 238000011895 specific detection Methods 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 150000002431 hydrogen Chemical class 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 description 8
- 238000005984 hydrogenation reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/45—Hydrogen technologies in production processes
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Abstract
The invention discloses a method and a system for detecting the performance of a hydrogen compressor of a hydrogen station, which relate to the field of hydrogen stations and comprise the following steps: collecting the operating values of a plurality of characteristic parameters of a compressor under normal work; constructing a compressor performance relational expression, and obtaining a compressor performance reference value according to the performance relational expression and the running value of the characteristic parameter; and acquiring an actual performance value of the compressor, and comparing the actual performance value of the compressor with a reference performance value of the compressor to obtain a result of whether the performance of the compressor is qualified. The invention monitors each performance characteristic of the compressor in real time, grasps whether the performance of the compressor is in a normal state or not and the trend of the performance of the compressor in real time, and carries out prejudgment on the fault of the compressor.
Description
Technical Field
The invention relates to the field of hydrogenation stations, in particular to a method and a system for detecting the performance of a hydrogen compressor of a hydrogenation station.
Background
The hydrogen energy is recognized clean energy, and the calorific value of the hydrogen is the highest among common fuels, about 3 times of petroleum and 4.5 times of coal, so that the hydrogen energy automobile has outstanding advantages in the aspects of reducing air pollution, greenhouse gas emission, reducing the dependence on traditional energy and the like.
The hydrogen filling station usually uses a long-tube trailer as an external hydrogen supply source, the initial pressure of the long-tube trailer is generally 20MPa, and the hydrogen is unloaded through an air unloading column and then pressurized by a compressor and stored in a storage tank of the hydrogen filling station or filled into hydrogen using equipment through a hydrogenation machine.
The hydrogen compressor is used as the most core equipment of the vehicle hydrogen station, the stability and performance parameters of the hydrogen compressor are the most important of the whole hydrogen station, and the operation performance of the hydrogen compressor directly influences the operation of a hydrogenation machine, so the hydrogen station has real and urgent requirements on the performance detection of the hydrogen compressor. Therefore, the performance detection method and system for the hydrogen compressor of the hydrogen station are provided, the performance of the hydrogen compressor is monitored, and the performance state of the compressor is mastered.
Disclosure of Invention
The invention aims to: the performance state of the compressor is mastered in real time by monitoring the actual performance of the compressor in real time and comparing the actual performance with the delivery performance of the compressor, so that the problem that the compressor and rear-end equipment are in failure due to the fact that the compressor is not maintained in time in the background art is solved.
The technical scheme adopted by the invention is as follows:
the invention relates to a performance detection method for a hydrogen compressor of a hydrogen station, which comprises the following steps:
collecting the operating values of a plurality of characteristic parameters of a compressor under normal work;
constructing a compressor performance relational expression, and obtaining a compressor performance reference value according to the performance relational expression and the running value of the characteristic parameter;
and acquiring an actual performance value of the compressor, and comparing the actual performance value of the compressor with a reference performance value of the compressor to obtain a result of whether the performance of the compressor is qualified.
Further, the characteristic parameters include a compressor inlet pressure, a compressor inlet temperature, and a compressor outlet pressure.
Further, the performance of the compressor comprises the air displacement performance, the energy consumption performance and the exhaust temperature performance, and the performance relation is obtained according to various performance graphs provided by a compressor manufacturer.
Further, the specific detection steps of the exhaust gas amount performance are as follows: the method comprises the steps of collecting pressure P1 and temperature T1 at the inlet of the compressor, obtaining an exhaust reference value F1 of the compressor according to a relation F1 ═ F (P1 and T1), collecting an exhaust actual value F2 of the compressor, comparing the exhaust reference value F1 with the exhaust actual value F2, and determining that the exhaust capacity performance of the compressor is not qualified when the deviation between the exhaust reference value F1 and the exhaust actual value F2 is larger than a set value.
Further, the specific detection steps of the energy consumption performance are as follows: acquiring pressure P1 and temperature T1 at the inlet of the compressor, acquiring an energy consumption reference value Pw1 of the compressor according to a relation Pw1 ═ f (P1, T1), acquiring instantaneous power Pw2 of the compressor motor, wherein the instantaneous power Pw2 is an energy consumption actual value of the compressor, comparing the energy consumption reference value Pw1 of the compressor with the energy consumption actual value Pw2 of the compressor, and determining that the energy consumption performance of the compressor is unqualified when the deviation between the energy consumption reference value Pw1 and the energy consumption actual value Pw2 is larger than a set value.
Further, the specific detection steps of the exhaust temperature performance are as follows: acquiring a compressor inlet pressure P1, a compressor outlet pressure P2 and a compressor inlet temperature T1, obtaining an exhaust temperature reference value T2 of the compressor according to a relation T2 ═ f (P1, P2, T1, K and phi), wherein K is an insulation coefficient of hydrogen, phi is a compressor temperature adjustment coefficient, acquiring an exhaust temperature actual value T3 of the compressor, comparing the exhaust temperature reference value T2 of the compressor with an exhaust temperature actual value T3 of the compressor, and when the deviation between the exhaust temperature reference value T2 and the exhaust temperature actual value T3 is larger than a set value, the exhaust temperature performance of the compressor is unqualified.
The system for detecting the performance of the hydrogen compressor of the hydrogen station comprises the method for detecting the performance of the hydrogen compressor of the hydrogen station, and further comprises an upper computer system, a PLC (programmable logic controller) and a data acquisition device, wherein the PLC controls the data acquisition device to provide running values of a plurality of characteristic parameters of the compressor under normal work and actual value data of the performance of the compressor, and transmits the data to the upper computer system.
Further, the data acquisition device comprises a pressure transmitter, a temperature transmitter, a flowmeter and a compressor motor, wherein the pressure transmitter is used for detecting the inlet pressure and the outlet pressure of the compressor, the temperature transmitter is used for detecting the inlet temperature of the compressor, the flowmeter is used for detecting the hydrogen flow, namely the actual exhaust flow of the compressor, and the compressor motor is used for providing the actual compression energy consumption value.
Further, the data provided by the data acquisition device are transmitted to the PLC controller, analyzed and calculated through the PLC controller, and the calculation result is output to the upper computer system, the upper computer system displays the performance data and the result of the compressor, when the deviation between the actual performance value of the compressor and the performance reference value of the compressor is larger than a set value, the performance of the compressor is unqualified, and the upper computer system outputs an alarm prompt.
Furthermore, the performance data of the compressor is displayed on an upper computer system, a comparison curve graph of the actual performance value of the compressor and the reference performance value of the compressor is generated, and the performance data can be exported in a table form.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the invention relates to a performance detection method for a hydrogen compressor of a hydrogen station, which is used for monitoring various performance characteristics of the compressor in real time, mastering whether the performance of the compressor is in a normal state or not and the performance trend of the compressor in real time and pre-judging faults of the compressor.
2. The invention relates to a performance detection system for a hydrogen compressor of a hydrogen station, which displays and stores data of a characteristic parameter operation value, a compressor performance reference value and a performance actual value of the compressor through an upper computer system, and simultaneously displays a performance curve chart of the performance reference value and the performance actual value of the compressor for a worker to check in real time.
3. The invention relates to a method and a system for detecting performance of a hydrogen compressor of a hydrogen station.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other relevant drawings can be obtained according to the drawings without inventive effort, wherein:
FIG. 1 is a flow chart of a compressor performance testing method of the present invention;
FIG. 2 is a schematic view of a compressor performance detection system of the present invention;
FIG. 3 is a graph of the exhaust performance of the compressor after leaving the factory;
fig. 4 is a graph of energy consumption performance of the compressor when leaving the factory.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
It is to be understood that the terms "upper", "lower", "left", "right", and the like, as used herein, are based on the orientation or positional relationship shown in the drawings and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered as limiting the present invention.
The features and properties of the present invention are described in further detail below with reference to examples.
Example one
As shown in fig. 1, a method for detecting performance of a hydrogen compressor of a hydrogen refueling station includes the following steps:
collecting the operating values of a plurality of characteristic parameters of a compressor under normal work;
constructing a compressor performance relational expression, and obtaining a compressor performance reference value according to the performance relational expression and the running value of the characteristic parameter;
and acquiring an actual performance value of the compressor, and comparing the actual performance value of the compressor with a reference performance value of the compressor to obtain a result of whether the performance of the compressor is qualified.
Preferably, the characteristic parameters include a compressor inlet pressure, a compressor inlet temperature, and a compressor outlet pressure.
Preferably, the compressor performance includes displacement performance, energy consumption performance and discharge temperature performance, and the performance relation is obtained according to various performance graphs provided by compressor manufacturers.
As shown in fig. 2, the hydrogen compressor performance detection system for the hydrogen refueling station further comprises an upper computer system, a PLC controller and a data acquisition device, wherein the PLC controller controls the data acquisition device to provide the operation values of a plurality of characteristic parameters of the compressor under normal working and actual value data of the performance of the compressor, and transmits the data to the upper computer system.
Preferably, the data acquisition device includes a pressure transmitter, a temperature transmitter, a flow meter and a compressor motor, the pressure transmitter is used for detecting the inlet pressure and the outlet pressure of the compressor, the temperature transmitter is used for detecting the inlet temperature of the compressor, the flow meter is used for detecting the hydrogen flow, namely the actual exhaust flow of the compressor, and the compressor motor is used for providing the actual value of the compression energy consumption.
Preferably, the performance data of the compressor is displayed on an upper computer system, a comparison curve graph of the actual performance value of the compressor and the reference performance value of the compressor is generated, and the performance data can be exported in a table form.
Preferably, the data provided by the data acquisition device is transmitted to the PLC controller, the data is analyzed and calculated by the PLC controller, the calculation result is output to the upper computer system, the upper computer system displays the performance data and the result of the compressor, when the deviation between the actual performance value of the compressor and the performance reference value of the compressor is larger than a set value, the performance of the compressor is unqualified, and the upper computer system outputs an alarm prompt.
Preferably, the specific detection step of the exhaust gas amount performance is as follows: the method comprises the steps of collecting pressure P1 and temperature T1 at the inlet of the compressor, obtaining an exhaust reference value F1 of the compressor according to a relation F1 ═ F (P1 and T1), collecting an exhaust actual value F2 of the compressor, comparing the exhaust reference value F1 with the exhaust actual value F2, and determining that the exhaust capacity performance of the compressor is not qualified when the deviation between the exhaust reference value F1 and the exhaust actual value F2 is larger than a set value.
When the compressor is shipped from a factory, a manufacturer provides a discharge capacity performance curve of the compressor, as shown in fig. 3, the performance curve is a curve diagram of the discharge capacity of the compressor when the inlet pressure of the compressor is changed continuously at a certain temperature. From this graph, one relationship F1 ═ F (P1, T1) of the discharge flow rate F1 with the compressor inlet pressure P1 and the compressor inlet temperature T1 can be obtained; therefore, the compressor inlet pressure P1 and the compressor inlet temperature T1 of the compressor under normal operation are collected, namely the exhaust reference value F1 of the compressor when the compressor inlet pressure is P1 can be calculated according to the relational expression, wherein P1 is pressure data of the compressor inlet collected by the PLC through the pressure transmitter, and T1 is temperature data of the compressor inlet collected by the PLC through the temperature transmitter.
The PLC controller collects the instantaneous flow F2, namely the actual exhaust value F2 of the compressor through a flowmeter, the flowmeter is generally arranged on an air unloading column, the air unloading column unloads hydrogen from a long-tube trailer to enter the compressor, and the hydrogen flow at the inlet of the compressor and the exhaust flow at the outlet of the compressor are equal to the instantaneous flow collected by the flowmeter.
And comparing the exhaust reference value F1 with the exhaust actual value F2, analyzing and calculating the deviation of the exhaust reference value F1 and the exhaust actual value F2 by the PLC, and when the exhaust reference value F1 is larger than the exhaust actual value F2 and the deviation of the exhaust reference value F1 and the exhaust actual value F2 is larger than 10%, judging that the exhaust capacity performance of the compressor is unqualified, and outputting an alarm prompt by the upper computer system.
The PLC transmits the displacement performance data of the compressor to an upper computer system, the upper computer system can display and store data of a compressor exhaust reference value F1, an exhaust actual value F2, a compressor inlet pressure P1 and a compressor inlet temperature T1 in real time, meanwhile, a performance curve graph of a compressor exhaust reference value F1 and an exhaust actual value F2 is displayed on a screen of the upper computer system and is checked by workers in real time, and the data of the compressor exhaust reference value F1, the exhaust actual value F2, the compressor inlet pressure P1 and the compressor inlet temperature T1 can be derived in an EXCEL form.
The control system of the existing hydrogen station does not have a compressor exhaust performance detection function, and cannot monitor the exhaust performance of the compressor.
Example two
This example is a further illustration of the present invention.
On the basis of the first embodiment, in a preferred embodiment of the present invention, the specific detection steps of the energy consumption performance are as follows: acquiring pressure P1 and temperature T1 at the inlet of the compressor, acquiring an energy consumption reference value Pw1 of the compressor according to a relation Pw1 ═ f (P1, T1), acquiring instantaneous power Pw2 of the compressor motor, wherein the instantaneous power Pw2 is an energy consumption actual value of the compressor, comparing the energy consumption reference value Pw1 of the compressor with the energy consumption actual value Pw2 of the compressor, and determining that the energy consumption performance of the compressor is unqualified when the deviation between the energy consumption reference value Pw1 and the energy consumption actual value Pw2 is larger than a set value.
When the compressor leaves the factory, a manufacturer provides an energy consumption performance curve of the compressor, as shown in fig. 4, the performance curve is a curve diagram of energy consumption change of the compressor when the inlet pressure of the compressor is continuously changed at a certain temperature.
According to the curve, a relational expression Pw1 ═ f (P1, T1) of the compressor motor power consumption Pw1, the compressor inlet pressure P1 and the compressor inlet temperature T1 can be obtained; therefore, by acquiring the compressor inlet pressure P1 and the compressor inlet temperature T1 under the normal operation of the compressor, the energy consumption reference value Pw1 of the compressor when the compressor inlet pressure is P1 can be calculated according to the relational expression. The P1 is pressure data of the inlet of the compressor collected by the PLC through the pressure transmitter, and the T1 is temperature data of the inlet of the compressor collected by the PLC through the temperature transmitter.
The PLC controller collects instantaneous power Pw2 of the motor of the compressor, namely the actual energy consumption Pw2 of the compressor, and the instantaneous power Pw2 data of the motor can be obtained through a frequency converter.
And comparing the energy consumption reference value Pw1 with the energy consumption actual value Pw2, analyzing and calculating the deviation of the energy consumption reference value Pw1 and the energy consumption actual value Pw2 by the PLC, and when the deviation of the energy consumption reference value Pw1 and the energy consumption actual value Pw2 is more than 10%, determining that the energy consumption performance of the compressor is unqualified, and outputting an alarm prompt by the upper computer system.
The PLC transmits the energy consumption performance data of the compressor to an upper computer system, the upper computer system can display and store data of a compressor energy consumption reference value Pw1, an energy consumption actual value Pw2, a compressor inlet pressure P1 and a compressor inlet temperature T1 in real time, meanwhile, a performance curve graph of the compressor energy consumption reference value Pw1 and the energy consumption actual value Pw2 is displayed on a screen of the upper computer system and is checked by a worker in real time, and the data of the compressor energy consumption reference value Pw1, the energy consumption actual value Pw2, the compressor inlet pressure P1 and the compressor inlet temperature T1 can be derived in an EXCEL form.
The monitoring system of present hydrogen station only monitors the electric current of compressor motor, regards the maximum current of compressor motor as compressor fault alarm's standard, but, when monitoring system triggered overcurrent fault alarm, the compressor had been in comparatively serious fault state, so, present monitoring system can't accomplish the effect of compressor performance early warning in advance, seriously influences the work efficiency of hydrogen station.
By the compressor performance detection method and the compressor performance detection system, the energy consumption performance of the compressor is monitored in real time, whether the energy consumption performance of the compressor is in a normal state or not and the trend of the energy consumption performance of the compressor are mastered in real time, the compressor fault is prejudged, the compressor maintenance reminding provides data support, the working efficiency of a hydrogen filling station is improved, and the occurrence of equipment accidents is reduced.
EXAMPLE III
This example is a further illustration of the present invention.
In this embodiment, on the basis of the first embodiment, in a preferred embodiment of the present invention, the specific detection step of the exhaust temperature performance is as follows: acquiring a compressor inlet pressure P1, a compressor outlet pressure P2 and a compressor inlet temperature T1, obtaining an exhaust temperature reference value T2 of the compressor according to a relation T2 ═ f (P1, P2, T1, K and phi), wherein K is an insulation coefficient of hydrogen, phi is a compressor temperature adjustment coefficient, acquiring an exhaust temperature actual value T3 of the compressor, comparing the exhaust temperature reference value T2 of the compressor with an exhaust temperature actual value T3 of the compressor, and when the deviation between the exhaust temperature reference value T2 and the exhaust temperature actual value T3 is larger than a set value, the exhaust temperature performance of the compressor is unqualified.
The method comprises the steps of collecting compressor inlet pressure P1, compressor outlet pressure P2 and compressor inlet temperature T1 under normal operation of a compressor, calculating a positive exhaust temperature reference value T2 of the compressor at a certain moment according to a compressor exhaust temperature calculation formula T2 ═ f (P1, P2, T1, K and phi), wherein P1 is pressure data of the compressor inlet collected by a PLC through a pressure transmitter, P2 is the compressor outlet pressure collected by the PLC through the pressure transmitter, T1 is temperature data of the compressor inlet collected by the PLC through a temperature transmitter, K is an insulation coefficient of hydrogen, and phi is a compressor temperature adjustment coefficient.
The PLC controller collects the temperature T3 of the outlet of the compressor, namely the actual value T3 of the exhaust temperature of the compressor through a temperature transmitter.
And comparing the exhaust temperature reference value T2 with the exhaust temperature actual value T3, analyzing and calculating the deviation of the exhaust temperature reference value T2 and the exhaust temperature actual value T3 by the PLC, and outputting an alarm prompt by the upper computer system when the exhaust temperature performance of the compressor is unqualified when the deviation of the exhaust temperature reference value T2 and the exhaust temperature actual value T3 is more than 10%.
The PLC transmits the energy consumption performance data of the compressor to an upper computer system, the upper computer system can display and store the data of the exhaust temperature reference value T2, the exhaust temperature actual value T3, the compressor inlet pressure P1, the compressor outlet pressure P2 and the compressor inlet temperature T1 of the compressor in real time, meanwhile, a performance curve graph of the exhaust temperature reference value T2 and the exhaust temperature actual value T3 of the compressor is displayed on a screen of the upper computer system and is checked by a worker in real time, and the data of the exhaust temperature reference value T2, the exhaust temperature actual value T3, the compressor inlet pressure P1 and the compressor inlet temperature T1 of the compressor can be derived in an EXCEL form.
The current hydrogen station monitoring system only monitors the maximum limit value of the exhaust temperature of the compressor, the maximum limit value of the exhaust temperature of the compressor is used as a fault alarm standard, when the monitoring system triggers the exhaust temperature overtemperature fault alarm, the compressor is at a higher temperature, and the compressor is in a serious fault state, so that the current monitoring system cannot achieve the effect of early warning of the performance of the compressor in advance, and the working efficiency of the hydrogen station is seriously influenced.
By the compressor performance detection method and the compressor performance detection system, the exhaust temperature performance of the compressor is monitored in real time, whether the exhaust temperature performance of the compressor is in a normal state or not and the trend of the exhaust temperature performance of the compressor are mastered in real time, the compressor fault is pre-judged, the compressor maintenance reminding provides data support, the working efficiency of a hydrogen filling station is improved, and equipment accidents are reduced.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be made by those skilled in the art without inventive work within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (10)
1. A performance detection method for a hydrogen compressor of a hydrogen station is characterized by comprising the following steps:
collecting the operating values of a plurality of characteristic parameters of a compressor under normal work;
constructing a compressor performance relational expression, and obtaining a compressor performance reference value according to the performance relational expression and the running value of the characteristic parameter;
and acquiring the actual performance value of the compressor, and comparing the actual performance value of the compressor with the reference performance value of the compressor to obtain the result of whether the performance of the compressor is qualified.
2. The method for detecting the performance of the hydrogen compressor of the hydrogen refueling station according to claim 1, characterized by comprising the following steps: the characteristic parameters include a compressor inlet pressure, a compressor inlet temperature, and a compressor outlet pressure.
3. The method for detecting the performance of the hydrogen compressor of the hydrogen refueling station according to claim 2, characterized in that: the performance of the compressor comprises the air displacement performance, the energy consumption performance and the exhaust temperature performance, and the performance relational expression is obtained according to each performance curve graph provided by a compressor manufacturer.
4. The method for detecting the performance of the hydrogen compressor of the hydrogen refueling station as claimed in claim 3, wherein the specific detection steps of the performance of the exhaust gas amount are as follows: the method comprises the steps of collecting pressure P1 and temperature T1 at the inlet of the compressor, obtaining an exhaust reference value F1 of the compressor according to a relation F1 ═ F (P1 and T1), collecting an exhaust actual value F2 of the compressor, comparing the exhaust reference value F1 with the exhaust actual value F2, and determining that the exhaust capacity performance of the compressor is not qualified when the deviation between the exhaust reference value F1 and the exhaust actual value F2 is larger than a set value.
5. The method for detecting the performance of the hydrogen compressor of the hydrogen refueling station as claimed in claim 3, wherein the specific detection steps of the performance of the energy consumption are as follows: acquiring pressure P1 and temperature T1 at the inlet of the compressor, obtaining an energy consumption reference value Pw1 of the compressor according to a relational expression Pw1 ═ f (P1 and T1), acquiring instantaneous power Pw2 of the compressor motor, wherein the instantaneous power Pw2 is an energy consumption actual value of the compressor, comparing the energy consumption reference value Pw1 of the compressor with the energy consumption actual value Pw2 of the compressor, and when the deviation of the energy consumption reference value Pw1 and the energy consumption actual value Pw2 is larger than a set value, the energy consumption performance of the compressor is unqualified.
6. The method for detecting the performance of the hydrogen compressor of the hydrogen refueling station as claimed in claim 3, wherein the specific detection steps of the exhaust temperature performance are as follows: acquiring a compressor inlet pressure P1, a compressor outlet pressure P2 and a compressor inlet temperature T1, obtaining an exhaust temperature reference value T2 of the compressor according to a relation T2 ═ f (P1, P2, T1, K and phi), wherein K is an insulation coefficient of hydrogen, phi is a compressor temperature adjustment coefficient, acquiring an exhaust temperature actual value T3 of the compressor, comparing the exhaust temperature reference value T2 of the compressor with an exhaust temperature actual value T3 of the compressor, and when the deviation between the exhaust temperature reference value T2 and the exhaust temperature actual value T3 is larger than a set value, the exhaust temperature performance of the compressor is unqualified.
7. A performance detection system for a hydrogen compressor of a hydrogen station, comprising the performance detection method for the hydrogen compressor of the hydrogen station as claimed in any one of claims 1 to 6, wherein the performance detection method comprises the following steps: the system further comprises an upper computer system, a PLC controller and a data acquisition device, wherein the PLC controller controls the data acquisition device to provide running values of a plurality of characteristic parameters of the compressor under normal work and actual value data of the performance of the compressor, and transmits the data to the upper computer system.
8. The hydrogen compressor performance detection system for the hydrogen refueling station as claimed in claim 7, wherein: the data acquisition device comprises a pressure transmitter, a temperature transmitter, a flowmeter and a compressor motor, wherein the pressure transmitter is used for detecting the inlet pressure and the outlet pressure of the compressor, the temperature transmitter is used for detecting the inlet temperature of the compressor, the flowmeter is used for detecting the hydrogen flow, namely the actual exhaust flow of the compressor, and the compressor motor is used for providing the actual compression energy consumption value.
9. The hydrogen compressor performance detection system for the hydrogen refueling station as claimed in claim 7, wherein: the data provided by the data acquisition device are transmitted to the PLC controller, analyzed and calculated through the PLC controller, and the calculation result is output to the upper computer system, the upper computer system displays the performance data and the result of the compressor, when the deviation between the actual performance value of the compressor and the performance reference value of the compressor is larger than a set value, the performance of the compressor is unqualified, and the upper computer system outputs an alarm prompt.
10. The hydrogen compressor performance detection system for the hydrogen refueling station as claimed in claim 7, wherein: the performance data of the compressor is displayed on an upper computer system, a comparison curve graph of the actual performance value of the compressor and the reference performance value of the compressor is generated, and the performance data can be exported in a table form.
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| CN116104789A (en) * | 2023-02-08 | 2023-05-12 | 新疆敦华绿碳技术股份有限公司 | Operation maintenance method for compressor in carbon dioxide compression energy storage operation |
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| CN103147972A (en) * | 2013-03-19 | 2013-06-12 | 北京化工大学 | Reciprocating-type compressor fault diagnosis method based on multi-sensor information fusion |
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| CN116104789A (en) * | 2023-02-08 | 2023-05-12 | 新疆敦华绿碳技术股份有限公司 | Operation maintenance method for compressor in carbon dioxide compression energy storage operation |
| CN116104789B (en) * | 2023-02-08 | 2024-06-11 | 新疆敦华绿碳技术股份有限公司 | Operation maintenance method for compressor in carbon dioxide compression energy storage operation |
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