CN220979821U - Compressor protection system - Google Patents
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- CN220979821U CN220979821U CN202321644041.5U CN202321644041U CN220979821U CN 220979821 U CN220979821 U CN 220979821U CN 202321644041 U CN202321644041 U CN 202321644041U CN 220979821 U CN220979821 U CN 220979821U
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Abstract
The present disclosure relates to a compressor protection system, the system comprising: the system comprises a compressor, a safety interlocking system, an operation sensor, a safety sensor and a cut-off valve; the safety interlocking system is respectively connected with the operation sensor, the safety sensor and the cut-off valve, and the compressor is connected with the cut-off valve; the operation sensor is used for acquiring the operation parameters of the compressor and sending the operation parameters to the safety interlocking system; the safety sensor is used for acquiring safety parameters and sending the safety parameters to the safety interlocking system; the safety interlocking system is used for controlling the compressor to stop running through the cut-off valve according to preset interlocking parameters, and the interlocking parameters comprise the running parameters and/or the safety parameters.
Description
Technical Field
The present disclosure relates to the field of compressor testing and protection, and in particular, to a compressor protection system.
Background
With the high-speed development of hydrogen energy, the market demand of hydrogen energy compressors has also grown exponentially. Because the pressure of the hydrogen energy compressor is high under the running condition, the medium is inflammable and explosive and has higher danger, the performance and quality requirements on the hydrogen energy compressor are higher. In order to determine the performance and quality of the hydrogen compressor, the hydrogen compressor needs to be tested to obtain multiple parameters of the hydrogen compressor. Because of the dangers of testing, a protection system is needed that achieves an interlocking scram of the compressor.
In the related art, the compressor testing device can detect the temperature, the pressure and the flow of the compressor and perform conventional process control and interlocking protection, but can only meet basic testing requirements, and is difficult to meet the testing requirements of the hydrogen energy compressor with higher risk.
Disclosure of utility model
In order to solve the above-described problems, the present disclosure provides a compressor protection system.
In a first aspect, the present application provides a compressor protection system, the system comprising: the system comprises a compressor, a safety interlocking system, an operation sensor, a safety sensor and a cut-off valve; the safety interlocking system is respectively connected with the operation sensor, the safety sensor and the cut-off valve, and the compressor is connected with the cut-off valve;
The operation sensor is used for acquiring the operation parameters of the compressor and sending the operation parameters to the safety interlocking system; the operating parameters include one or more of flow, temperature, pressure, and compressor energy of the compressor inlet and outlet gases; the safety sensor is used for acquiring safety parameters and sending the safety parameters to the safety interlocking system; the safety parameters include one or more of vibration displacement, vibration speed, vibration acceleration, bolt tension, motor shaft displacement, and motor shaft temperature of the compressor; the safety interlocking system is used for controlling the compressor to stop running through the cut-off valve according to preset interlocking parameters, and the interlocking parameters comprise the running parameters and the safety parameters.
Optionally, the shut-off valve comprises a first shut-off valve and a second shut-off valve, and the system further comprises an alarm device connected with the safety interlock system;
The safety interlocking system is used for controlling the alarm device to send out alarm information under the condition that the interlocking parameter is greater than or equal to a first parameter threshold value; reducing the operation load of the compressor to a preset load through the first cut-off valve under the condition that the interlocking parameter is greater than or equal to a second parameter threshold value; controlling the compressor to stop running through the second cut-off valve under the condition that the interlocking parameter is greater than or equal to a third parameter threshold value; wherein the third parameter threshold is greater than the second parameter threshold, which is greater than the first parameter threshold.
Optionally, the system further comprises: a distributed control system and a control valve; the distributed control system is respectively connected with the safety interlocking system, the operation sensor, the control valve and the cut-off valve;
The distributed control system is used for controlling the operation power of the compressor through the control valve according to the operation parameters; and controlling the compressor to start or stop through the cut-off valve according to a control command input by a user.
Optionally, the system further comprises a human-computer interaction component; the man-machine interaction assembly is respectively connected with the decentralized control system and the safety interlocking system;
the man-machine interaction assembly is used for acquiring and displaying the safety parameters and the operation parameters; and receiving the control instruction input by a user, and sending the control instruction to the distributed control system.
Optionally, the safety interlock system is further configured to control the decentralized control system to stop operating if the interlock parameter is greater than or equal to a third parameter threshold.
Optionally, the system further comprises a motor control center connected to the compressor, the safety interlock system and the decentralized control system, respectively;
The motor control center is used for acquiring the energy consumption information of the compressor and sending the energy consumption information to the safety interlocking system and the distributed control system;
The distributed control system is also used for controlling the running power of the compressor through the motor control center according to the energy consumption information;
And the safety interlocking system is used for controlling the compressor to stop running through the cut-off valve and the control valve according to the energy consumption information.
Optionally, the operation sensor includes one or more of the following sensors:
A first temperature sensor for acquiring gas temperatures of the compressor inlet and outlet;
Pressure sensors for acquiring gas pressures at the inlet and outlet of the compressor;
and the flow sensor is used for acquiring the gas flow of the inlet and the outlet of the compressor.
Optionally, the safety sensor includes one or more of the following sensors:
the displacement sensor is used for acquiring vibration displacement and motor shaft displacement of the compressor;
The speed sensor is used for acquiring the vibration speed of the compressor and the motor rotating speed;
An acceleration sensor for acquiring vibration acceleration of the compressor;
The tension sensor is used for acquiring the designated bolt tension of the compressor;
and the second temperature sensor is used for acquiring the motor shaft temperature of the compressor.
Optionally, the system further comprises a memory, which is respectively connected with the decentralized control system and the safety interlock system, for storing the operating parameter and the safety parameter.
By adopting the technical scheme, the method comprises the following steps: the system comprises a compressor, a safety interlocking system, an operation sensor, a safety sensor and a cut-off valve; the safety interlocking system is respectively connected with the operation sensor, the safety sensor and the cut-off valve, and the compressor is connected with the cut-off valve; the operation sensor is used for acquiring the operation parameters of the compressor and sending the operation parameters to the distributed control system and the safety interlocking system; the operating parameters include one or more of inlet and outlet gas flow, temperature, pressure, and energy consumption of the compressor; the safety sensor is used for acquiring safety parameters and sending the safety parameters to the safety interlocking system; the safety parameters include one or more of vibration displacement, vibration speed, vibration acceleration, bolt tension, motor shaft displacement, and motor shaft temperature of the compressor; and the safety interlocking system is used for controlling the compressor to stop running through the cut-off valve according to the running parameter or the safety parameter. Therefore, the operation parameters of the compressor are obtained through the operation sensor, the safety parameters of the compressor under the operation condition are obtained through the safety sensor, the comprehensive performance of the compressor can be estimated more comprehensively, and the fault cause can be determined more accurately according to the operation parameters and the safety parameters under the condition that the compressor fails; in addition, the compressor can be controlled to stop running according to preset linkage parameters, and the running safety of the compressor is improved.
Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification, illustrate the disclosure and together with the description serve to explain, but do not limit the disclosure. In the drawings:
FIG. 1 is a compressor protection system provided in accordance with an exemplary embodiment of the present disclosure;
FIG. 2 is another compressor protection system provided by the present disclosure in accordance with an exemplary embodiment;
fig. 3 is a block diagram of an electronic device, according to an example embodiment.
Detailed Description
Specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the disclosure, are not intended to limit the disclosure.
It should be noted that, all actions for acquiring signals, information or data in the present disclosure are performed under the condition of conforming to the corresponding data protection rule policy of the country of the location and obtaining the authorization given by the owner of the corresponding device.
Firstly, the application scenario of the application is described, and the application is applied to the test or operation scenario of the hydrogen energy compressor, under the scenario, the medium is inflammable and explosive and has higher risk due to the high pressure of the hydrogen energy compressor, so that under the condition of the test or operation of the hydrogen energy compressor, the detailed operation parameters of the hydrogen energy compressor need to be obtained, so that the hydrogen energy compressor is controlled according to the detailed operation parameters. In the related art, the compressor testing device detects the temperature, the pressure and the flow of the compressor, performs conventional process control and interlocking protection, has a leak in fault detection and safety guarantee of the hydrogen energy compressor because of fewer operation parameters participating in the control of the compressor, and cannot meet the testing requirement of the hydrogen energy compressor.
In order to solve the above problems, the present application provides a compressor protection system comprising: the system comprises a compressor, a safety interlocking system, an operation sensor, a safety sensor and a cut-off valve; the safety interlocking system is respectively connected with the operation sensor, the safety sensor and the cut-off valve, and the compressor is connected with the cut-off valve; the operation sensor is used for acquiring the operation parameters of the compressor and sending the operation parameters to the distributed control system and the safety interlocking system; the operating parameters include one or more of inlet and outlet gas flow, temperature, pressure, and energy consumption of the compressor; the safety sensor is used for acquiring safety parameters and sending the safety parameters to the safety interlocking system; the safety parameters include one or more of vibration displacement, vibration speed, vibration acceleration, bolt tension, motor shaft displacement, and motor shaft temperature of the compressor; the safety interlocking system is used for controlling the compressor to stop running through the cut-off valve according to the running parameter or the safety parameter. Therefore, the operation parameters of the compressor are obtained through the operation sensor, the safety parameters of the compressor under the operation condition are obtained through the safety sensor, the comprehensive performance of the compressor can be estimated more comprehensively, and the fault cause can be determined more accurately according to the operation parameters and the safety parameters under the condition that the compressor fails; in addition, the compressor can be controlled to stop running according to preset linkage parameters, and the running safety of the compressor is improved.
The present disclosure is described below in conjunction with specific embodiments.
Fig. 1 is a diagram illustrating a compressor protection system according to an exemplary embodiment of the present disclosure, as shown in fig. 1, the system including: a compressor 101, a safety interlock system 102, an operation sensor 103, a safety sensor 104, and a shut-off valve 105; the safety interlock system 102 is respectively connected with the operation sensor 103, the safety sensor 104 and the cut-off valve 105, and the compressor 101 is connected with the cut-off valve 105;
The operation sensor 103 is configured to obtain an operation parameter of the compressor 101 and send the operation parameter to the safety interlock system 102; the operating parameters include one or more of flow, temperature, pressure, and compressor energy of the compressor 101 inlet and outlet gases;
The safety sensor 104 is configured to obtain a safety parameter and send the safety parameter to the safety interlock system 102; the safety parameters include one or more of vibration displacement, vibration speed, vibration acceleration, bolt tension, motor shaft displacement, and motor shaft temperature of the compressor;
The safety interlock system 102 is configured to control the compressor to stop operating through the shut-off valve according to preset interlock parameters, where the interlock parameters include the operating parameter and/or the safety parameter.
The safety interlocking system 102 may be built by a single chip microcomputer or a PLC, and includes an a/D conversion module, a logic operation module, and a data communication module, for performing interlocking control of the interlocking parameters and the compressor.
In some embodiments, the safety sensor 104 may be one or more sensors mounted on the compressor 101. For example, the security sensor 104 includes one or more of the following sensors: a displacement sensor for acquiring a vibration displacement of the compressor and a motor shaft displacement, the vibration displacement including a horizontal vibration displacement and a vertical vibration displacement of the compressor 104; a speed sensor for acquiring a vibration speed of the compressor and a motor rotation speed, the vibration speed including a horizontal vibration speed and a vertical vibration speed of the compressor 104; an acceleration sensor for acquiring vibration acceleration of the compressor, the vibration acceleration including horizontal vibration acceleration and vertical vibration acceleration of the compressor 104; a tension sensor for acquiring a specified bolt tension of the compressor; the second temperature sensor is used for acquiring the motor shaft temperature of the compressor; the safety sensor 104 may also include electrical energy detection means for detecting three-phase currents and three-phase voltages of the compressor 104. The safety interlock system 102 can preset one or more safety parameters, and the shut-off valve can control the compressor to stop running according to the preset safety parameters.
In still other embodiments, the operation sensor 103 may be a sensor for acquiring necessary parameters for operation of the compressor. For example, the operational sensor 103 may include one or more of the following sensors: the first temperature sensor comprises an inlet gas temperature sensor and an outlet gas temperature sensor, and is used for acquiring the gas temperature at the inlet of the compressor and the gas temperature at the outlet of the compressor respectively; the pressure sensor comprises an inlet air pressure sensor and an outlet air pressure sensor which are respectively used for acquiring the inlet air pressure and the outlet air pressure of the compressor; the flow sensor comprises an inlet flow sensor and an outlet flow sensor which are respectively used for acquiring the gas flow of the inlet and the outlet of the compressor.
Illustratively, the safety interlock system 102 is configured to control the alarm device to send out alarm information when the safety parameter is greater than or equal to a first parameter threshold; reducing the operating load of the compressor to a preset load by the first cut-off valve under the condition that the safety parameter is greater than or equal to a second parameter threshold; controlling the compressor to stop running through the second cut-off valve under the condition that the safety parameter is greater than or equal to a third parameter threshold value; wherein the third parameter threshold is greater than the second parameter threshold, which is greater than the first parameter threshold.
For example, the number of input ports can be flexibly configured, and the number of optional input ports is 8, 16, 24, 32, etc., and the signals are firstly a/D converted, where vibration displacement, acceleration, shaft temperature, bolt tension measurement, etc. related to parameters of safe operation of the device are subjected to interlock logic operation, each interlock value is required to be set according to mechanical characteristics and operation requirements of the compressor, and the interlock signal after operation is connected to the safety interlock system 102 by hard wire in a mode of outputting high-level signals or contact signals. The hard wire connection can avoid the condition of data loss and errors existing in the communication mode, and improves the safety and usability of the interlocking loop. The number of the output ports is usually 4 paths and 8 paths, and the configuration can be carried out according to actual requirements. After the operation parameter and the safety parameter are set to be interlocked according to the preset requirement, the safety interlock system 102 may divide the abnormal state of the safety parameter or the operation parameter into a plurality of levels according to the safety parameter and the operation parameter measured by the sensor, for example, if the safety parameter or the operation parameter is greater than or equal to a first parameter threshold, the abnormal state is represented as a first-level emergency alarm state, if the safety parameter or the operation parameter is greater than or equal to a second parameter threshold, the abnormal state is represented as a second-level limit operation, and if the safety parameter or the operation parameter is greater than or equal to a third parameter threshold, the abnormal state is represented as a third-level emergency stop.
The system comprises: the system comprises a compressor, a safety interlocking system, an operation sensor, a safety sensor and a cut-off valve; the safety interlocking system is respectively connected with the operation sensor, the safety sensor and the cut-off valve, and the compressor is connected with the cut-off valve; the operation sensor is used for acquiring the operation parameters of the compressor and sending the operation parameters to the distributed control system and the safety interlocking system; the operating parameters include one or more of inlet and outlet gas flow, temperature, pressure, and energy consumption of the compressor; the safety sensor is used for acquiring safety parameters and sending the safety parameters to the safety interlocking system; the safety parameters include one or more of vibration displacement, vibration speed, vibration acceleration, bolt tension, motor shaft displacement, and motor shaft temperature of the compressor; the safety interlocking system is used for controlling the compressor to stop running through the cut-off valve according to the running parameter or the safety parameter. Therefore, the operation parameters of the compressor are obtained through the operation sensor, the safety parameters of the compressor under the operation condition are obtained through the safety sensor, the comprehensive performance of the compressor can be estimated more comprehensively, and the fault cause can be determined more accurately according to the operation parameters and the safety parameters under the condition that the compressor fails; in addition, the compressor can be controlled to stop running according to preset linkage parameters, and the running safety of the compressor is improved.
Fig. 2 is a diagram illustrating a compressor protection system according to an exemplary embodiment of the present disclosure, as shown in fig. 2, the system further including: a decentralized control system 201 and a control valve 202; the decentralized control system 201 is connected to the safety interlock system 102, the operation sensor 103, the control valve 202 and the shut-off valve 105, respectively; the control valve 202 is connected to the compressor 101;
The distributed control system 201 is configured to control the operation power of the compressor 101 through the control valve 202 according to the operation parameter; and controls the compressor 101 to start or stop through the shut-off valve 105 according to a control command input by a user.
The decentralized control system 201 is connected with the safety interlocking system 102 through a preset interface, and the preset interface is implemented through free port communication or Modbus protocol, so as to reduce the coupling between the safety interlocking system 102 and the decentralized control system 201 in the compressor protection system, facilitate the replacement and maintenance of the safety interlocking system 102 and the decentralized control system 201, and ensure the safety and stability of the compressor protection system.
In addition, the system may also include a human-machine interaction component 203; the man-machine interaction component 203 is respectively connected with the decentralized control system 201 and the safety interlocking system 102; the man-machine interaction component 203 is configured to acquire and display the security parameter and the operation parameter; and receives the control command input by the user, and sends the control command to the decentralized control system 201, so that the decentralized control system 201 controls the operation of the compressor 101 according to the control command.
For example, all the operation parameters, the operation signals, the fault signals and the interlock logic operation results of the compressor are transmitted to the distributed control system 201 in a communication manner, and the distributed control system 201 controls the control valve 202 to adjust the operation power of the compressor in real time according to the received information such as the operation parameters, the operation signals and the fault signals, so as to ensure the safety and the stability of the compressor.
In addition, the safety interlock system 102 is further configured to control the decentralized control system 201 to stop operating if the interlock parameter is greater than or equal to a third parameter threshold.
For example, in the case where the abnormal state of the compressor 101 is a three-stage emergency stop, the safety interlock system 102 interlocks the emergency stop of the compressor 101 and controls the distributed control system 201 to stop operating.
Therefore, the operation parameters and the working signals of the compressors are sent to the distributed control system, so that the distributed control system can control the operation of the compressors through the control valve, the stability of the compressors can be guaranteed, the operation parameters and the safety parameters of the compressors can be interlocked through the safety interlocking system, the operation of the compressors can be stopped under the condition that the operation parameters or the safety parameters are abnormal, and the safety of the compressors can be guaranteed.
In some embodiments, the compressor protection system further comprises a motor control center 203, the motor control center 203 being connected to the compressor 101, the safety interlock system 102, and the distributed control system 201, respectively;
The motor control center 203 is configured to obtain energy consumption information of the compressor 101 and send the energy consumption information to the safety interlock system 102 and the decentralized control system 201; the distributed control system 201 is further configured to control the operating power of the compressor through the motor control center 203 according to the energy consumption information.
The safety interlock system 102 is configured to control the compressor to stop operating via the shut-off valve 105 and the control valve 202 based on the energy consumption information.
In addition, the system includes a memory 204, the memory 204 being coupled to the distributed control system 201 and the safety interlock system 102, respectively, for storing the operating parameter and the safety parameter.
Illustratively, in the compressor protection system, all variables, as well as the compressor operating signal, fault signal, and interlock logic results, are communicated to the distributed control system and the safety interlock system. The communication data is used as a part of the real-time data of the operation of the compressor, is stored in a database of a memory, supports inquiry, report form and data export, and carries out comprehensive evaluation and fault analysis on the performance of the compressor together with the process operation data.
Therefore, the operation or stop of the compressor is controlled according to the energy consumption information of the compressor, the operation power of the compressor is favorably controlled, the operation is stopped under the condition that the power of the compressor is abnormal, and the safety of the compressor is improved.
With respect to the specific control method in the above-described embodiments, the specific manner in which the respective modules perform the operations has been described in detail in the related embodiments, and will not be described in detail herein.
Fig. 3 is a block diagram of an electronic device 300, according to an example embodiment. As shown in fig. 3, the electronic device 300 may be a safety interlock system comprising: a processor 301, a memory 302. The electronic device 300 may also include one or more of a multimedia component 303, an input/output (I/O) interface 304, and a communication component 305.
Wherein the processor 301 is configured to control the overall operation of the electronic device 300 to perform all or part of the steps of the compressor protection method described above. The memory 302 is used to store various types of data to support operation at the electronic device 300, which may include, for example, instructions for any application or method operating on the electronic device 300, as well as application-related data, such as contact data, transceived messages, pictures, audio, video, and the like. The Memory 302 may be implemented by any type or combination of volatile or non-volatile Memory devices, such as static random access Memory (Static Random Access Memory, SRAM for short), electrically erasable programmable Read-Only Memory (ELECTRICALLY ERASABLE PROGRAMMABLE READ-Only Memory, EEPROM for short), erasable programmable Read-Only Memory (Erasable Programmable Read-Only Memory, EPROM for short), programmable Read-Only Memory (Programmable Read-Only Memory, PROM for short), read-Only Memory (ROM for short), magnetic Memory, flash Memory, magnetic disk, or optical disk. The multimedia component 303 may include a screen and an audio component. Wherein the screen may be, for example, a touch screen, the audio component being for outputting and/or inputting audio signals. For example, the audio component may include a microphone for receiving external audio signals. The received audio signals may be further stored in the memory 302 or transmitted through the communication component 305. The audio assembly further comprises at least one speaker for outputting audio signals. The I/O interface 304 provides an interface between the processor 301 and other interface modules, which may be a keyboard, mouse, buttons, etc. These buttons may be virtual buttons or physical buttons. The communication component 305 is used for wired or wireless communication between the electronic device 300 and other devices. Wireless Communication, such as Wi-Fi, bluetooth, near Field Communication (NFC) for short, 2G, 3G, 4G, NB-IOT, eMTC, or other 5G, etc., or one or a combination of more of them, is not limited herein. The corresponding communication component 305 may thus comprise: wi-Fi module, bluetooth module, NFC module, etc.
In an exemplary embodiment, the electronic device 300 may be implemented by one or more Application-specific integrated circuits (ASIC), digital signal Processor (DIGITAL SIGNAL Processor, DSP), digital signal processing device (DIGITAL SIGNAL Processing Device, DSPD), programmable logic device (Programmable Logic Device, PLD), field programmable gate array (Field Programmable GATE ARRAY, FPGA), controller, microcontroller, microprocessor, or other electronic components for performing the compressor protection method described above.
In another exemplary embodiment, a computer readable storage medium is also provided comprising program instructions which, when executed by a processor, implement the steps of the compressor protection method described above. For example, the computer readable storage medium may be the memory 302 described above including program instructions executable by the processor 301 of the electronic device 300 to perform the compressor protection method described above.
In another exemplary embodiment, a computer program product is also provided, comprising a computer program executable by a programmable apparatus, the computer program having code portions for performing the above-described compressor protection method when executed by the programmable apparatus.
The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings, but the present disclosure is not limited to the specific details of the embodiments described above, and various simple modifications may be made to the technical solutions of the present disclosure within the scope of the technical concept of the present disclosure, and all the simple modifications belong to the protection scope of the present disclosure.
In addition, the specific features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, the present disclosure does not further describe various possible combinations.
Moreover, any combination between the various embodiments of the present disclosure is possible as long as it does not depart from the spirit of the present disclosure, which should also be construed as the disclosure of the present disclosure.
Claims (10)
1. A compressor protection system, the system comprising: the system comprises a compressor, a safety interlocking system, an operation sensor, a safety sensor and a cut-off valve; the safety interlocking system is respectively connected with the operation sensor, the safety sensor and the cut-off valve, and the compressor is connected with the cut-off valve;
The operation sensor is used for acquiring the operation parameters of the compressor and sending the operation parameters to the safety interlocking system; the operating parameters include one or more of flow, temperature, pressure, and compressor energy of the compressor inlet and outlet gases;
The safety sensor is used for acquiring safety parameters and sending the safety parameters to the safety interlocking system; the safety parameters include one or more of vibration displacement, vibration speed, vibration acceleration, bolt tension, motor shaft displacement, and motor shaft temperature of the compressor;
the safety interlocking system is used for controlling the compressor to stop running through the cut-off valve according to interlocking parameters, and the interlocking parameters comprise the running parameters and the safety parameters.
2. The system of claim 1, wherein the shut-off valve comprises a first shut-off valve and a second shut-off valve, the system further comprising an alarm device coupled to the safety interlock system;
The safety interlocking system is used for controlling the alarm device to send out alarm information under the condition that the interlocking parameter is greater than or equal to a first parameter threshold value; reducing the operation load of the compressor to a preset load through the first cut-off valve under the condition that the interlocking parameter is greater than or equal to a second parameter threshold value; controlling the compressor to stop running through the second cut-off valve under the condition that the interlocking parameter is greater than or equal to a third parameter threshold value; wherein the third parameter threshold is greater than the second parameter threshold, which is greater than the first parameter threshold.
3. The system of claim 1, wherein the system further comprises: a distributed control system and a control valve; the distributed control system is respectively connected with the safety interlocking system, the operation sensor, the control valve and the cut-off valve;
The distributed control system is used for controlling the operation power of the compressor through the control valve according to the operation parameters; and controlling the compressor to start or stop through the cut-off valve according to a control command input by a user.
4. The system of claim 3, wherein the system further comprises a human-machine interaction component; the man-machine interaction assembly is respectively connected with the decentralized control system and the safety interlocking system;
the man-machine interaction assembly is used for acquiring and displaying the safety parameters and the operation parameters; and receiving the control instruction input by a user, and sending the control instruction to the distributed control system.
5. The system of claim 3, wherein the safety interlock system is further configured to control the decentralized control system to cease operation if the interlock parameter is greater than or equal to a third parameter threshold.
6. The system of claim 3, further comprising a motor control center connected to the compressor, the safety interlock system, and the decentralized control system, respectively;
The motor control center is used for acquiring the energy consumption information of the compressor and sending the energy consumption information to the safety interlocking system and the distributed control system;
The distributed control system is also used for controlling the running power of the compressor through the motor control center according to the energy consumption information;
And the safety interlocking system is used for controlling the compressor to stop running through the cut-off valve and the control valve according to the energy consumption information.
7. The system of claim 3, wherein the decentralized control system is coupled to the safety interlock system via a preset interface, the preset interface being implemented via a free-port communication or a Modbus protocol.
8. The system of claim 1, wherein the operational sensor comprises one or more of the following:
A first temperature sensor for acquiring gas temperatures of the compressor inlet and outlet;
Pressure sensors for acquiring gas pressures at the inlet and outlet of the compressor;
and the flow sensor is used for acquiring the gas flow of the inlet and the outlet of the compressor.
9. The system of claim 1, wherein the security sensor comprises one or more of the following:
the displacement sensor is used for acquiring vibration displacement and motor shaft displacement of the compressor;
The speed sensor is used for acquiring the vibration speed of the compressor and the motor rotating speed;
An acceleration sensor for acquiring vibration acceleration of the compressor;
The tension sensor is used for acquiring the designated bolt tension of the compressor;
and the second temperature sensor is used for acquiring the motor shaft temperature of the compressor.
10. The system of any one of claims 3-7, further comprising a memory coupled to the decentralized control system and the safety interlock system, respectively, for storing the operating parameter and the safety parameter.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321644041.5U CN220979821U (en) | 2023-06-26 | 2023-06-26 | Compressor protection system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202321644041.5U CN220979821U (en) | 2023-06-26 | 2023-06-26 | Compressor protection system |
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| CN220979821U true CN220979821U (en) | 2024-05-17 |
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2023
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