CN106291425B - The determination method of the ac frequency of electromagnetic valve work condition checkout gear output - Google Patents
The determination method of the ac frequency of electromagnetic valve work condition checkout gear output Download PDFInfo
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- CN106291425B CN106291425B CN201610596336.8A CN201610596336A CN106291425B CN 106291425 B CN106291425 B CN 106291425B CN 201610596336 A CN201610596336 A CN 201610596336A CN 106291425 B CN106291425 B CN 106291425B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
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- Magnetically Actuated Valves (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention discloses a kind of determination methods of the ac frequency of electromagnetic valve work condition checkout gear output, comprising: connect electromagnetic valve work condition checkout gear with solenoid valve to be detected；The frequency that the alternating current that the frequency that electromagnetic valve work condition checkout gear is exported to solenoid valve to be detected is fixed is arranged is different predeterminated frequency, so that electromagnetic valve work condition checkout gear under different predeterminated frequencies, detects the difference in inductance that the on and off of solenoid valve to be detected is shown；Obtain the difference in inductance that electromagnetic valve work condition checkout gear detects under different predeterminated frequencies；Choose the frequency for the alternating current that the frequency that the corresponding predeterminated frequency of maximum induction difference is exported as electromagnetic valve work condition checkout gear to solenoid valve to be detected is fixed.The present invention realizes the determination of the frequency for the alternating current fixed to the frequency that electromagnetic valve work condition checkout gear is exported to solenoid valve to be detected, improves electromagnetic valve work condition checkout gear to the detection accuracy of solenoid valve to be detected.
Description
Technical field
The present invention relates to Solenoid Valve Technology fields, more particularly to a kind of friendship of electromagnetic valve work condition checkout gear output
The determination method of galvanic electricity frequency.
Background technique
Solenoid valve is a kind of electric control valve switch, generally comprises the electromagnet for being wound with coil, when being powered on to coil both ends,
Electromagnet generates electromagnetic force and center moving assembly is lifted from valve seat, and valve is opened；When power-off, electromagnetic force disappears, and spring is again
Center moving assembly is pressed on valve seat, valve is closed.The working condition of solenoid valve mainly just refer to solenoid valve it is this open and
Off status.
The electromagnetic valve work condition checkout gear alternating current fixed to solenoid valve output frequency, and then can detect that solenoid valve
The inductance variation that shows of on and off, the real-time online of the working condition of solenoid valve is detected to realize.Due to solenoid valve
The peak value of the alternating current of working state detection device output is far below the normal working voltage of solenoid valve, therefore electromagnetic valve work shape
State detection device do not influence the normal work of solenoid valve, while electromagnetic valve work condition checkout gear can effective monitoring solenoid valve
Real work situation, such as can detect artificial opens solenoid valve, to ensure the job security of solenoid valve.
Therefore how to determine the frequency of the fixed alternating current of the frequency of electromagnetic valve work condition checkout gear output to improve
The detection accuracy of electromagnetic valve work condition checkout gear is urgent problem.
Summary of the invention
The present invention solves the technical problem of how to provide a kind of friendship of electromagnetic valve work condition checkout gear output
The determination method of galvanic electricity frequency, to improve the detection accuracy problem of electromagnetic valve work condition checkout gear.
In order to solve the above technical problems, the frequency that the present invention provides a kind of electromagnetic valve work condition checkout gear output is fixed
Alternating current frequency determination method, comprising:
Electromagnetic valve work condition checkout gear is connect with solenoid valve to be detected；
The friendship that the electromagnetic valve work condition checkout gear is fixed to the frequency that the solenoid valve to be detected exports is set
The frequency of galvanic electricity is different predeterminated frequency, so that the electromagnetic valve work condition checkout gear is under different predeterminated frequencies,
Detect the difference in inductance that the on and off of the solenoid valve to be detected is shown；
Obtain the difference in inductance that the electromagnetic valve work condition checkout gear detects under different predeterminated frequencies；
The maximum induction corresponding predeterminated frequency of difference is chosen as the electromagnetic valve work condition checkout gear to described to be checked
The frequency of the fixed alternating current of the frequency of the solenoid valve output of survey.
Optionally, the frequency that the setting electromagnetic valve work condition checkout gear is exported to the solenoid valve to be detected
The frequency of the fixed alternating current of rate is different predeterminated frequency, comprising:
Based on the size of the solenoid valve to be detected, from each predeterminated frequency, multiple target predeterminated frequencies are chosen；
The friendship that the electromagnetic valve work condition checkout gear is fixed to the frequency that the solenoid valve to be detected exports is set
The frequency of galvanic electricity is each target predeterminated frequency.
Optionally, it is pre- to choose multiple targets from each predeterminated frequency for the size based on the solenoid valve to be detected
If frequency, comprising:
Based on the size of the solenoid valve to be detected, and it is based on preset solenoid valve size range and electromagnetic valve work
The corresponding relationship of the frequency range of the fixed alternating current of the frequency of condition checkout gear output is chosen more from each predeterminated frequency
A target predeterminated frequency；Wherein, the corresponding frequency of size that each target predeterminated frequency is in the solenoid valve to be detected is consolidated
In the frequency range of fixed alternating current.
Optionally, it is pre- to choose multiple targets from each predeterminated frequency for the size based on the solenoid valve to be detected
If frequency, comprising:
Based on the size of the solenoid valve to be detected, choose in the first predeterminated frequency set or the second predeterminated frequency set
Each predeterminated frequency as target predeterminated frequency；
Wherein, the smallest predeterminated frequency is greater than in the second predeterminated frequency set most in the first predeterminated frequency set
Big predeterminated frequency, and the maximum value of the corresponding solenoid valve size range of the first predeterminated frequency set is less than described second in advance
If the minimum value of the corresponding solenoid valve size range of frequency sets.
Optionally, the frequency that the setting electromagnetic valve work condition checkout gear is exported to the solenoid valve to be detected
The frequency of the fixed alternating current of rate is different predeterminated frequency, comprising:
Based on the magnetic material of the solenoid valve to be detected, from each predeterminated frequency, multiple target predeterminated frequencies are chosen；
The friendship that the electromagnetic valve work condition checkout gear is fixed to the frequency that the solenoid valve to be detected exports is set
The frequency of galvanic electricity is each target predeterminated frequency.
Optionally, it is pre- to choose multiple targets from each predeterminated frequency for the magnetic material based on the solenoid valve to be detected
If frequency, comprising:
Based on the magnetic material of the solenoid valve to be detected, and based on preset solenoid valve magnetic material and solenoid valve size model
It encloses, the corresponding relationship of the frequency range for the alternating current that the frequency of electromagnetic valve work condition checkout gear output is fixed, is preset from each
In frequency, multiple target predeterminated frequencies are chosen；Wherein, each target predeterminated frequency is in the size of the solenoid valve to be detected
In the frequency range of the fixed alternating current of frequency corresponding to the solenoid valve size range at place.
Electromagnetic valve work condition checkout gear is exported to solenoid valve to be detected the beneficial effects of the present invention are: realizing
The fixed alternating current of frequency frequency determination, improve electromagnetic valve work condition checkout gear to solenoid valve to be detected
Detection accuracy.
Detailed description of the invention
Fig. 1 be a kind of ac frequency of electromagnetic valve work condition checkout gear output provided in an embodiment of the present invention really
Determine method flow diagram.
Specific embodiment
To facilitate the understanding of the present invention, in the following with reference to the drawings and specific embodiments, the present invention will be described in more detail.
A better embodiment of the invention is given in the attached drawing.But the invention can be realized in many different forms, and unlimited
In this specification described embodiment.On the contrary, purpose of providing these embodiments is makes to the disclosure
Understand more thorough and comprehensive.
It should be noted that unless otherwise defined, all technical and scientific terms used in this specification with belong to
The normally understood meaning of those skilled in the art of the invention is identical.Used term in the description of the invention
It is the purpose in order to describe specific embodiment, is not intended to the limitation present invention.Term "and/or" packet used in this specification
Include any and all combinations of one or more related listed items.
As shown in Figure 1, the present embodiment discloses a kind of ac frequency of electromagnetic valve work condition checkout gear output really
Determine method, it may include following steps 101~104:
101, electromagnetic valve work condition checkout gear is connect with solenoid valve to be detected.
102, the electromagnetic valve work condition checkout gear is arranged to fix to the frequency that the solenoid valve to be detected exports
Alternating current frequency be different predeterminated frequencies so that the electromagnetic valve work condition checkout gear is in different predeterminated frequencies
Under, detect the difference in inductance that the on and off of the solenoid valve to be detected is shown.
For example, different predeterminated frequencies can be 1KHz, 2KHz and 4KHz, the electromagnetic valve work condition checkout gear point
The alternating current of 1KHz, 2KHz and 4KHz for not exported to the solenoid valve to be detected, and detect the solenoid valve to be detected
The difference in inductance that shows of on and off.
103, the difference in inductance that the electromagnetic valve work condition checkout gear detects under different predeterminated frequencies is obtained.
104, the maximum induction corresponding predeterminated frequency of difference is chosen as the electromagnetic valve work condition checkout gear to described
The frequency of the fixed alternating current of the frequency of solenoid valve output to be detected.
For example, if under the alternating current of 1KHz, 2KHz and 4KHz, the difference in inductance of solenoid valve to be detected is respectively A, B and C,
And B is maximum in the absolute value of three, it is determined that the frequency of the fixed alternating current of the frequency of electromagnetic valve work condition checkout gear output
Rate is 2KHz.
After executing step 104, that is, it can determine the fixed alternating current of the frequency of electromagnetic valve work condition checkout gear output
Frequency, it is subsequent using electromagnetic valve work condition checkout gear when, the output of electromagnetic valve work condition checkout gear need to be only set
The frequency of the fixed alternating current of frequency be result that step 104 obtains.
The present embodiment, which is realized, fixes electromagnetic valve work condition checkout gear to the frequency that solenoid valve to be detected exports
Alternating current frequency determination, improve electromagnetic valve work condition checkout gear to the detection accuracy of solenoid valve to be detected.
It will be appreciated by those skilled in the art that above-mentioned steps 102~104 can be by hardware realization, or at one
Perhaps the software module run on multiple processors is realized or is implemented in a combination thereof.Those skilled in the art should manage
Microprocessor or digital signal processor (DSP) can be used in practice to realize basis in solution, above-mentioned steps 102~104
The some or all functions of some or all components of the embodiment of the present invention.It will be appreciated by those skilled in the art that above-mentioned
Step 102~104 are also implemented as some or all equipment or dress for executing method as described herein
Set program (for example, computer program and computer program product).
In a specific example, the setting electromagnetic valve work condition checkout gear described in step 102 is to described
The frequency of the fixed alternating current of the frequency of solenoid valve output to be detected is different predeterminated frequency, specifically includes in Fig. 1 and does not show
Step 1021 out and 1022:
1021, the size based on the solenoid valve to be detected chooses the default frequency of multiple targets from each predeterminated frequency
Rate；
1022, the electromagnetic valve work condition checkout gear is arranged to fix to the frequency that the solenoid valve to be detected exports
Alternating current frequency be each target predeterminated frequency.
In the present embodiment, it is contemplated that since the alternating current of different frequency is presented not in the on and off of various sizes of solenoid valve
Same inductance variation, therefore it is based on each target predeterminated frequency of solenoid valve size selection, reduce electromagnetic valve work state-detection dress
The number for detecting solenoid valve to be detected is set, efficiency and speed that entire scheme executes more are improved, to faster determine electricity
The frequency of the fixed alternating current of the frequency of magnet valve working state detection device output.
In a specific example, size based on the solenoid valve to be detected described in step 1021, from each default
In frequency, multiple target predeterminated frequencies are chosen, specifically:
Based on the size of the solenoid valve to be detected, and it is based on preset solenoid valve size range and electromagnetic valve work
The corresponding relationship of the frequency range of the fixed alternating current of the frequency of condition checkout gear output is chosen more from each predeterminated frequency
A target predeterminated frequency；Wherein, the corresponding frequency of size that each target predeterminated frequency is in the solenoid valve to be detected is consolidated
In the frequency range of fixed alternating current.
In the present embodiment, the inductance for considering that the alternating current of small frequency is presented in the on and off of large-sized solenoid valve changes greatly
In the inductance variation that the exchange to big frequency is presented.Therefore, by many experiments can predefine solenoid valve size range with
The corresponding relationship of the frequency range of the fixed alternating current of the frequency of electromagnetic valve work condition checkout gear output, this corresponding relationship
The correspondence of range is only provided, to be based on the corresponding relationship, multiple target predeterminated frequencies can be chosen from each predeterminated frequency,
Reduce the number that electromagnetic valve work condition checkout gear detects solenoid valve to be detected, more improves what entire scheme executed
Efficiency and speed, to faster determine the frequency of the fixed alternating current of the frequency of electromagnetic valve work condition checkout gear output.
In a specific example, size based on the solenoid valve to be detected described in step 1021, from each default
In frequency, multiple target predeterminated frequencies are chosen, specifically:
Based on the size of the solenoid valve to be detected, choose in the first predeterminated frequency set or the second predeterminated frequency set
Each predeterminated frequency as target predeterminated frequency；
Wherein, the smallest predeterminated frequency is greater than in the second predeterminated frequency set most in the first predeterminated frequency set
Big predeterminated frequency, and the maximum value of the corresponding solenoid valve size range of the first predeterminated frequency set is less than described second in advance
If the minimum value of the corresponding solenoid valve size range of frequency sets.
In the present embodiment, the inductance for considering that the alternating current of small frequency is presented in the on and off of large-sized solenoid valve changes greatly
In the inductance variation that the exchange to big frequency is presented.Therefore, two frequency sets: the first predeterminated frequency set are predefined
(i.e. big frequency sets) and the second predeterminated frequency set (i.e. small frequency set), and it is directed to solenoid valve size, divide two rulers
Very little set is properly termed as large scale range set and range of small set, corresponding second predeterminated frequency of large scale range set
To gather (i.e. small frequency set), this corresponding relationship only provides the correspondence of range, correspondingly, range of small set corresponding the
One predeterminated frequency set (i.e. big frequency sets).To be based on above-mentioned corresponding relationship, multiple mesh can be chosen from each predeterminated frequency
Predeterminated frequency is marked, reduces the number that electromagnetic valve work condition checkout gear detects solenoid valve to be detected, more improves whole
The efficiency and speed that a scheme executes, to faster determine the fixed exchange of the frequency of electromagnetic valve work condition checkout gear output
The frequency of electricity.
In a specific example, the setting electromagnetic valve work condition checkout gear described in step 102 is to described
The frequency of the fixed alternating current of the frequency of solenoid valve output to be detected is different predeterminated frequency, specifically includes in Fig. 1 and does not show
Step 1021 out ' and 1022 ':
1021 ', the magnetic material based on the solenoid valve to be detected chooses the default frequency of multiple targets from each predeterminated frequency
Rate；
1022 ', it is solid that the frequency that the electromagnetic valve work condition checkout gear is exported to the solenoid valve to be detected is set
The frequency of fixed alternating current is each target predeterminated frequency.
In the present embodiment, it is contemplated that due to the on and off of the solenoid valve of magnetic material the alternating current of different frequency is presented it is different
Inductance variation, therefore each target predeterminated frequency is selected based on solenoid valve magnetic material, reduce the inspection of electromagnetic valve work condition checkout gear
The number of solenoid valve to be detected is surveyed, efficiency and speed that entire scheme executes more are improved, to faster determine solenoid valve
The frequency of the fixed alternating current of the frequency of working state detection device output.
In a specific example, step 1021 ' described in the magnetic material based on the solenoid valve to be detected, from each pre-
If in frequency, choosing multiple target predeterminated frequencies, specifically:
Based on the magnetic material of the solenoid valve to be detected, and based on preset solenoid valve magnetic material and solenoid valve size model
It encloses, the corresponding relationship of the frequency range for the alternating current that the frequency of electromagnetic valve work condition checkout gear output is fixed, is preset from each
In frequency, multiple target predeterminated frequencies are chosen；Wherein, each target predeterminated frequency is in the size of the solenoid valve to be detected
In the frequency range of the fixed alternating current of frequency corresponding to the solenoid valve size range at place.
In the present embodiment, it is contemplated that due to the on and off of the solenoid valve of magnetic material the alternating current of different frequency is presented it is different
Inductance variation.Therefore, it can be predefined by many experiments based on preset solenoid valve magnetic material and solenoid valve size range, electromagnetism
The corresponding relationship of the frequency range of the fixed alternating current of the frequency of valve working state detection device output, this corresponding relationship is only
The correspondence of range is provided, to be based on the corresponding relationship, multiple target predeterminated frequencies can be chosen from each predeterminated frequency, is reduced
Electromagnetic valve work condition checkout gear detects the number of solenoid valve to be detected, more improves the efficiency that entire scheme executes
And speed, to faster determine the frequency of the fixed alternating current of the frequency of electromagnetic valve work condition checkout gear output.
The working principle of electromagnetic valve work condition checkout gear described in the various embodiments described above is: opened using solenoid valve and
Inductance variation is in the state of pass come to detect solenoid valve be to open or close state.Solenoid valve under on and off in
The position of heart magnetic pole sends variation, corresponds to the inductance that coil shows after the transmission variation of center magnetic pole and also changes.Electricity
Sense shows different reactance under alternating current, and using electric resistance partial pressure principle, electromagnetic valve work condition checkout gear can be analyzed
The variation of voltage out judges that solenoid valve is to open or close state.Therefore, it in the various embodiments described above, is obtained described in step 103
The difference in inductance for taking the electromagnetic valve work condition checkout gear to detect under different predeterminated frequencies, can also be corresponding for difference in inductance
Voltage difference.Correspondingly, the corresponding predeterminated frequency of selection maximum voltage difference described in step 104 is as the electromagnetic valve work state
The frequency of the fixed alternating current of the frequency that detection device is exported to the solenoid valve to be detected.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure transformation made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant technical fields,
It is included within the scope of the present invention.
Claims (6)
1. a kind of determination method of the ac frequency of electromagnetic valve work condition checkout gear output characterized by comprising
Electromagnetic valve work condition checkout gear is connect with solenoid valve to be detected；
The alternating current that the electromagnetic valve work condition checkout gear is fixed to the frequency that the solenoid valve to be detected exports is set
Frequency be different predeterminated frequencies so that the electromagnetic valve work condition checkout gear is under different predeterminated frequencies, detection
The difference in inductance that the on and off of the solenoid valve to be detected is shown；
Obtain the difference in inductance that the electromagnetic valve work condition checkout gear detects under different predeterminated frequencies；
The maximum induction corresponding predeterminated frequency of difference is chosen as the electromagnetic valve work condition checkout gear to described to be detected
The frequency of the fixed alternating current of the frequency of solenoid valve output.
2. the method according to claim 1, wherein the setting electromagnetic valve work condition checkout gear to
The frequency of the fixed alternating current of the frequency of the solenoid valve output to be detected is different predeterminated frequency, comprising:
Based on the size of the solenoid valve to be detected, from each predeterminated frequency, multiple target predeterminated frequencies are chosen；
The alternating current that the electromagnetic valve work condition checkout gear is fixed to the frequency that the solenoid valve to be detected exports is set
Frequency be each target predeterminated frequency.
3. according to the method described in claim 2, it is characterized in that, the size based on the solenoid valve to be detected, from
In each predeterminated frequency, multiple target predeterminated frequencies are chosen, comprising:
Based on the size of the solenoid valve to be detected, and based on preset solenoid valve size range and electromagnetic valve work state
The corresponding relationship of the frequency range of the fixed alternating current of the frequency of detection device output chooses multiple mesh from each predeterminated frequency
Mark predeterminated frequency；Wherein, what the corresponding frequency of size that each target predeterminated frequency is in the solenoid valve to be detected was fixed
In the frequency range of alternating current.
4. according to the method described in claim 2, it is characterized in that, the size based on the solenoid valve to be detected, from
In each predeterminated frequency, multiple target predeterminated frequencies are chosen, comprising:
It is each in the first predeterminated frequency set of selection or the second predeterminated frequency set based on the size of the solenoid valve to be detected
Predeterminated frequency is as target predeterminated frequency；
Wherein, the smallest predeterminated frequency is maximum greater than in the second predeterminated frequency set in the first predeterminated frequency set
Predeterminated frequency, and the maximum value of the corresponding solenoid valve size range of the first predeterminated frequency set is less than the described second default frequency
The minimum value of the corresponding solenoid valve size range of rate set.
5. the method according to claim 1, wherein the setting electromagnetic valve work condition checkout gear to
The frequency of the fixed alternating current of the frequency of the solenoid valve output to be detected is different predeterminated frequency, comprising:
Based on the magnetic material of the solenoid valve to be detected, from each predeterminated frequency, multiple target predeterminated frequencies are chosen；
The alternating current that the electromagnetic valve work condition checkout gear is fixed to the frequency that the solenoid valve to be detected exports is set
Frequency be each target predeterminated frequency.
6. according to the method described in claim 5, it is characterized in that, the magnetic material based on the solenoid valve to be detected, from
In each predeterminated frequency, multiple target predeterminated frequencies are chosen, comprising:
Based on the magnetic material of the solenoid valve to be detected, and based on preset solenoid valve magnetic material and solenoid valve size range, electricity
The corresponding relationship of the frequency range of the fixed alternating current of the frequency of magnet valve working state detection device output, from each predeterminated frequency
In, choose multiple target predeterminated frequencies；Wherein, each target predeterminated frequency is in where the size of the solenoid valve to be detected
Solenoid valve size range corresponding to the fixed alternating current of frequency frequency range in.
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| CN110081221A (en) * | 2018-01-26 | 2019-08-02 | 科尼格沃斯(无锡)医学科技有限公司 | Multi-channel electromagnetic valve control, electromagnetic valve device and electromagnetic valve control method including the controller |
| CN108646176A (en) * | 2018-06-27 | 2018-10-12 | 深圳秦汉发展有限公司 | Detection circuit for electromagnetic valve and its device |
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| JP6265836B2 (en) * | 2014-06-05 | 2018-01-24 | 日本航空電子工業株式会社 | Current sensor inspection system, current sensor inspection method |
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| CN1215160A (en) * | 1997-10-06 | 1999-04-28 | 胡斯可国际股份有限公司 | Method and device for testing armature position in magnetic resistance type electromagnet actuator |
| CN101558564A (en) * | 2006-12-14 | 2009-10-14 | 罗伯特.博世有限公司 | Device for controlling an electromagnetic valve |
| CN201926752U (en) * | 2010-09-17 | 2011-08-10 | 蔡南贤 | Detection device for electric leakage detection alarm of electric fire control |
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