CN111207066A - Compressor parameter measuring device, measuring method and setting method - Google Patents
Compressor parameter measuring device, measuring method and setting method Download PDFInfo
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- CN111207066A CN111207066A CN201811400002.4A CN201811400002A CN111207066A CN 111207066 A CN111207066 A CN 111207066A CN 201811400002 A CN201811400002 A CN 201811400002A CN 111207066 A CN111207066 A CN 111207066A
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
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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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Abstract
The invention belongs to the technical field of compressor control, and discloses a compressor parameter measuring device which comprises a first controller, wherein a clock signal input end of the first controller inputs a clock signal of a compressor controller, and a data signal input end inputs a compressor data signal; further comprising: the input end of the digital-to-analog converter is electrically connected with the output end of the first controller; the input end of the display is electrically connected with the output end of the digital-to-analog converter. The clock signal and the data signal of the compressor controller are input into the first controller, so that the first controller obtains the parallel data of the compressor control loop, and then digital-to-analog conversion is carried out and displayed, so that the analog signal of each parameter in the compressor operation loop can be conveniently observed, and the parameter setting efficiency of the compressor is improved. The embodiment of the invention also discloses a compressor parameter measuring method and a parameter setting method.
Description
Technical Field
The invention relates to the technical field of compressor control, in particular to a compressor parameter measuring device, a measuring method and a setting method.
Background
In the process of debugging the compressor, the operation parameters of the compressor need to be adjusted. Because the parameter setting workload of the compressor is larger, when the parameter is set, if the change of the internal variable can be seen more, when the compressor is out of control, the running conditions of more loops can be seen, and the setting direction can be found more quickly. Therefore, for the purpose of parameter tuning, a suitable method is required to measure various internal variables during the operation of the compressor.
Disclosure of Invention
The embodiment of the invention provides a compressor parameter measuring device, a measuring method and a setting method, and aims to solve the problem that each internal variable in the running state of a compressor cannot be measured in the compressor parameter setting process. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.
According to a first aspect of embodiments of the present invention, there is provided a compressor parameter measuring device.
In some optional embodiments, the compressor parameter measuring device comprises:
the compressor parallel data acquisition module is used for acquiring parallel data of the compressor;
the digital-to-analog converter is used for performing digital-to-analog conversion on the parallel data of the compressor;
and the display is used for displaying the compressor parallel data after the digital-to-analog conversion.
In some alternative embodiments, the compressor parallel data acquisition module comprises: the clock signal input end of the first controller inputs the clock signal of the compressor controller, and the data signal input end of the first controller inputs the compressor data signal.
In some alternative embodiments, the compressor data signal is a parameter data signal of a compressor control loop.
In some optional embodiments, the system further comprises an optical coupler, and the clock signal or the compressor data signal of the compressor controller, or the clock signal and the compressor data signal of the compressor controller are electrically connected with the first controller through the optical coupler.
In some optional embodiments, the controller further comprises a signal amplifier, and the clock signal or the compressor data signal of the compressor controller, or the clock signal and the compressor data signal of the compressor controller are electrically connected with the first controller through the signal amplifier.
According to a second aspect of the embodiments of the present invention, there is provided a compressor parameter measuring method including:
acquiring parallel data of a compressor;
performing digital-to-analog conversion on parallel data of the compressor;
and displaying the compressor parallel data after the digital-to-analog conversion.
In some optional embodiments, the method for acquiring the parallel data of the compressor comprises: and inputting a clock signal of the compressor controller into a clock signal input end of the first controller, and inputting a compressor data signal into a data signal input end of the first controller.
In some alternative embodiments, the compressor data signal is a parameter data signal of a compressor control loop.
In some optional embodiments, further comprising:
and sending the clock signal or the compressor data signal of the compressor controller, or sending the clock signal and the compressor data signal of the compressor controller to the first controller through the optical coupler.
According to a third aspect of the embodiments of the present invention, there is provided a compressor parameter setting method, including a compressor parameter measuring method, further including:
and setting the parameters of the compressor control loop by taking the parallel data of the compressor after the digital-to-analog conversion as the basis.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
the clock signal and the data signal of the compressor controller are input into the first controller, so that the first controller obtains parallel data of a compressor control loop, digital-to-analog conversion is carried out and the data signal is displayed, analog signals of all parameters in the compressor operation loop can be conveniently observed, the operation condition of the compressor is conveniently observed, a direct basis is provided for parameter setting of the compressor, when the compressor is in a matching problem, the out-of-control of the control loop caused by sudden change of variables can be clearly seen, better parameter setting is carried out, and the parameter setting efficiency of the compressor is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic circuit diagram illustrating a compressor parameter measuring device according to an exemplary embodiment.
Detailed Description
The following description and the drawings sufficiently illustrate specific embodiments herein to enable those skilled in the art to practice them. Portions and features of some embodiments may be included in or substituted for those of others. The scope of the embodiments herein includes the full ambit of the claims, as well as all available equivalents of the claims. The terms "first," "second," and the like, herein are used solely to distinguish one element from another without requiring or implying any actual such relationship or order between such elements. In practice, a first element can also be referred to as a second element, and vice versa. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a structure, apparatus, or device that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such structure, apparatus, or device. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a structure, device or apparatus that comprises the element. The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like herein, as used herein, are defined as orientations or positional relationships based on the orientation or positional relationship shown in the drawings, and are used for convenience in describing and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. In the description herein, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, mechanical or electrical connections, communications between two elements, direct connections, and indirect connections via intermediary media, where the specific meaning of the terms is understood by those skilled in the art as appropriate.
Herein, the term "plurality" means two or more, unless otherwise specified.
Herein, the character "/" indicates that the preceding and following objects are in an "or" relationship. For example, A/B represents: a or B.
Herein, the term "and/or" is an associative relationship describing objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.
According to a first aspect of embodiments of the present invention, there is provided a compressor parameter measuring device including:
the compressor parallel data acquisition module is used for acquiring parallel data of the compressor;
the digital-to-analog converter is used for performing digital-to-analog conversion on the parallel data of the compressor;
and the display is used for displaying the compressor parallel data after the digital-to-analog conversion.
By obtaining the parallel data of the compressor control loop, performing digital-to-analog conversion and displaying, the analog signal of the compressor data can be conveniently observed, so that the running condition of the compressor can be conveniently observed, and a direct basis is provided for parameter setting of the compressor. When the matching of the compressor is in a problem, the out-of-control of the control loop caused by the sudden change of the variables can be clearly seen, so that the parameter setting is better performed, and the parameter setting efficiency of the compressor is improved.
Specifically, the compressor parallel data acquisition module includes a first controller, a clock signal input end of the first controller inputs a clock signal of the compressor controller, and a data signal input end of the first controller inputs a compressor data signal.
In some alternative embodiments, the compressor data signal is a parameter data signal of a compressor control loop. For example: input and output values of loops such as a phase-locked loop, a speed loop, a current loop, a field weakening control loop and the like.
In some optional embodiments, the system further comprises an optical coupler, and the clock signal or the compressor data signal of the compressor controller, or the clock signal and the compressor data signal of the compressor controller are connected with the first controller through the optical coupler.
By means of the optocoupler, a non-interfering signal transmission of the compressor control and the first control can be ensured.
In some optional embodiments, the controller further comprises a signal amplifier, and the clock signal or the compressor data signal of the compressor controller, or the clock signal and the compressor data signal of the compressor controller are electrically connected with the first controller through the signal amplifier.
By the signal amplifier, a sufficient driving capability can be ensured.
In a second aspect of the embodiments of the present invention, a method for measuring a parameter of a compressor is provided, including:
acquiring parallel data of a compressor;
performing digital-to-analog conversion on parallel data of the compressor;
and displaying the compressor parallel data after the digital-to-analog conversion.
The parallel data of the compressor, such as the parallel data of the compressor control loop, is obtained, and then digital-to-analog conversion is carried out and displayed, so that the analog signal of the compressor data can be conveniently observed, the running condition of the compressor can be conveniently observed, and a direct basis is provided for parameter setting of the compressor. When the matching of the compressor is in a problem, the out-of-control of the control loop caused by the sudden change of the variables can be clearly seen, so that the parameter setting is better performed, and the parameter setting efficiency of the compressor is improved.
In some optional embodiments, the method for acquiring the parallel data of the compressor comprises: and inputting a clock signal of the compressor controller into a clock signal input end of the first controller, and inputting a compressor data signal into a data signal input end of the first controller.
In some alternative embodiments, the compressor data signal is a parameter data signal of a compressor control loop.
In some optional embodiments, further comprising:
and sending the clock signal or the compressor data signal of the compressor controller, or sending the clock signal and the compressor data signal of the compressor controller to the first controller through the optical coupler.
In some optional embodiments, further comprising:
and the clock signal or the compressor data signal of the compressor controller, or the clock signal and the compressor data signal of the compressor controller are sent to the first controller through the signal amplifier.
In a third aspect of the embodiments of the present invention, a compressor parameter setting method is provided, including a compressor parameter measuring method, further including:
and setting the parameters of the compressor control loop by taking the parallel data of the compressor after the digital-to-analog conversion as the basis.
The present invention is not limited to the structures that have been described above and shown in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (10)
1. A compressor parameter measuring device, comprising:
the compressor parallel data acquisition module is used for acquiring parallel data of the compressor;
the digital-to-analog converter is used for performing digital-to-analog conversion on the parallel data of the compressor;
and the display is used for displaying the compressor parallel data after the digital-to-analog conversion.
2. The compressor parameter measuring device of claim 1, wherein: the parallel data acquisition module of the compressor comprises a first controller, wherein a clock signal input end of the first controller inputs a clock signal of the compressor controller, and a data signal input end of the first controller inputs a compressor data signal.
3. The compressor parameter measuring device of claim 2, wherein: the compressor data signal is a parameter data signal of a compressor control loop.
4. A compressor parameter measuring device according to claim 2 or 3, wherein: the system also comprises an optical coupler, wherein a clock signal or a compressor data signal of the compressor controller, or the clock signal and the compressor data signal of the compressor controller are electrically connected with the first controller through the optical coupler.
5. A compressor parameter measuring device according to claim 2 or 3, wherein: the compressor control system further comprises a signal amplifier, wherein a clock signal or a compressor data signal of the compressor controller, or the clock signal and the compressor data signal of the compressor controller are electrically connected with the first controller through the signal amplifier.
6. A method for measuring parameters of a compressor is characterized in that: the method comprises the following steps:
acquiring parallel data of a compressor;
performing digital-to-analog conversion on parallel data of the compressor;
and displaying the compressor parallel data after the digital-to-analog conversion.
7. The compressor parameter measuring method of claim 6, wherein: the method for acquiring the parallel data of the compressor comprises the following steps:
and inputting a clock signal of the compressor controller into a clock signal input end of the first controller, and inputting a compressor data signal into a data signal input end of the first controller.
8. The compressor parameter measuring method of claim 7, wherein: the compressor data signal is a parameter data signal of a compressor control loop.
9. The compressor parameter measuring method according to claim 7 or 8, wherein: further comprising:
and sending the clock signal or the compressor data signal of the compressor controller, or sending the clock signal and the compressor data signal of the compressor controller to the first controller through the optical coupler.
10. A compressor parameter setting method is characterized in that: the method comprises a compressor parameter measuring method and also comprises the following steps:
and setting the parameters of the compressor control loop by taking the parallel data of the compressor after the digital-to-analog conversion as the basis.
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| CN201811400002.4A CN111207066B (en) | 2018-11-22 | 2018-11-22 | Compressor parameter measuring device, measuring method and setting method |
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| CN201811400002.4A CN111207066B (en) | 2018-11-22 | 2018-11-22 | Compressor parameter measuring device, measuring method and setting method |
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| US20120207622A1 (en) * | 2011-02-10 | 2012-08-16 | Hitachi Plant Technologies, Ltd. | Control device and control method of compressor |
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