WO2015043242A1 - 一种非接触式变压器的检测方法、装置及计算机存储介质 - Google Patents

一种非接触式变压器的检测方法、装置及计算机存储介质 Download PDF

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Publication number
WO2015043242A1
WO2015043242A1 PCT/CN2014/080120 CN2014080120W WO2015043242A1 WO 2015043242 A1 WO2015043242 A1 WO 2015043242A1 CN 2014080120 W CN2014080120 W CN 2014080120W WO 2015043242 A1 WO2015043242 A1 WO 2015043242A1
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WO
WIPO (PCT)
Prior art keywords
contact transformer
air gap
transformer
stored
collected
Prior art date
Application number
PCT/CN2014/080120
Other languages
English (en)
French (fr)
Inventor
邱贝贝
刘玮
罗勇
周建平
范杰
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to EP14847721.9A priority Critical patent/EP3046221A4/en
Priority to KR1020167010347A priority patent/KR101825855B1/ko
Priority to JP2016543294A priority patent/JP6538699B2/ja
Priority to US15/022,620 priority patent/US10126148B2/en
Publication of WO2015043242A1 publication Critical patent/WO2015043242A1/zh

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
    • G01D5/204—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/40—Testing power supplies
    • G01R31/42—AC power supplies
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment

Definitions

  • the present invention relates to detection technology, and in particular to a non-contact transformer detection method, apparatus and computer storage medium. Background technique
  • the wireless energy transmission system consists of two parts separated from each other, including the transmitting end, the receiving end, the power grid and the load.
  • the transmitting end and the receiving end have no physical connection, and the energy is mainly transmitted by the non-contact type transformer.
  • the non-contact transformer is the main component of the wireless energy transmission in the wireless energy transmission system.
  • the air gap between the primary and secondary windings and the phase misalignment distance have an impact on the system energy transfer and control.
  • the wireless energy transfer system can efficiently transfer energy only when the primary and secondary windings of the non-contact transformer are aligned and the primary and secondary windings have a certain air gap.
  • the change of the air gap of the primary and secondary windings of the non-contact transformer and the occurrence of misalignment affect the efficiency of system energy transmission on the one hand and the stability of system control on the other hand. Even if the air gap of the original secondary winding of the transformer exceeds a certain range or the primary and secondary windings are seriously misaligned, the system will not operate.
  • the embodiments of the present invention provide a non-contact transformer detection method, device and computer storage medium, which can quickly and accurately detect the air gap and misalignment information of the original secondary side of the non-contact transformer. .
  • Embodiments of the present invention provide a detection method of a non-contact type transformer, and the detection method Applied to a wireless energy transfer system; the method includes:
  • the circuit parameters of the wireless energy transmission system include: a circuit parameter at the transmitting end, a circuit parameter at the receiving end, and a coupling coefficient of the contactless transformer;
  • the circuit parameter of the transmitting end includes at least one of the following parameters: a phase angle of a voltage and a current, and a switching frequency value;
  • the circuit parameters of the receiving end include at least one of the following parameters: a voltage value, a current value.
  • the determining, according to the comparison result, the distance information of the air gap and the misalignment of the non-contact transformer of the system including:
  • the compensation structure of the non-contact transformer is a series-compensation structure, and the coupling coefficient of the clamped transformer is smaller than a coupling coefficient of the pre-stored non-contact transformer, determining an air gap increase of the non-contact transformer Or misalignment occurs; when the coupling coefficient of the clamped transformer is larger than the coupling coefficient of the pre-stored non-contact transformer, it is determined that the air gap of the non-contact transformer is reduced.
  • the determining, according to the comparison result, the distance information of the air gap and the misalignment of the non-contact transformer of the system including:
  • the compensation structure of the non-contact transformer is a series-compensation structure, and the voltage value and the phase angle of the current at the fixed frequency of the transmitting end of the collector are higher than the voltage value of the pre-stored transmitting terminal at a fixed frequency
  • the phase angle of the current is large, it is determined that the air gap of the non-contact transformer is increased or misaligned; when the frequency of the collector of the collector is at a fixed frequency and the phase angle of the current is greater than the pre-stored transmitting end
  • the voltage value of the fixed frequency and the phase angle of the current are small, the air gap of the non-contact transformer is determined to decrease.
  • the determining, according to the comparison result, the distance information of the air gap and the misalignment of the non-contact transformer of the system including:
  • the compensation structure of the non-contact transformer is a series-compensation structure, and when the rectified voltage value of the receiving end of the collector is larger than the rectified voltage value of the pre-stored receiving end, and the current value of the receiving end of the collector is more than the pre-stored receiving When the current value of the terminal is small, it is determined that the air gap of the non-contact transformer is increased or misaligned; when the rectified voltage value of the receiving end of the collector is smaller than the rectified voltage value of the pre-stored receiving end, and the current value ratio of the receiving end of the collector is When the current value of the pre-stored receiving end is large, it is determined that the air gap of the non-contact type transformer is reduced.
  • the determining, according to the comparison result, the distance information of the air gap and the misalignment of the non-contact transformer of the system including:
  • the compensation structure of the non-contact transformer is a series-compensation structure, and the impedance characteristics and voltage gain of the non-contact transformer are monotonic, and when the transmitting end is at a voltage value and electricity, determining the non- The air gap of the contact transformer is increased or misaligned; when the switching frequency value of the collector is smaller than the switching frequency value of the pre-stored transmitting end, the air gap of the non-contacting transformer is determined to be reduced.
  • the determining, according to the comparison result, the distance information of the air gap and the misalignment of the non-contact transformer of the system including:
  • the compensation structure of the non-contact transformer is a series-compensation structure, and the impedance characteristics and voltage gain of the non-contact transformer are not monotonic, and when the transmitting end has a phase angle of a voltage value and a current
  • the switching frequency value of the collector is smaller than the switching frequency value of the pre-stored transmitting end, and the air gap of the non-contacting transformer is determined to be increased or misaligned; when the switching frequency value of the collector is higher than the switching frequency of the transmitting terminal stored in advance When large, the air gap of the non-contact transformer is determined to decrease.
  • Embodiments of the present invention also provide a detecting device for a non-contact type transformer, the device package Included: a collection unit, a storage unit, a comparison unit, and a determination unit;
  • the collecting unit is configured to collect circuit parameters
  • the storage unit is configured to store circuit parameters corresponding to distance information of a known air gap and misalignment
  • the comparing unit is configured to compare circuit parameters collected by the collecting unit with circuit parameters stored by the storage unit;
  • the determining unit is configured to determine distance information of the non-contact transformer air gap and the misalignment in the wireless energy transmission system according to the comparison result of the comparison unit.
  • the circuit parameters of the wireless energy transmission system of the collection unit include: circuit parameters of the transmitting end, circuit parameters of the receiving end, and coupling coefficient of the contactless transformer; wherein the circuit parameters of the transmitting end include at least the following parameters One: the phase angle of voltage and current, the switching frequency value;
  • the circuit parameters of the receiving end include at least one of the following parameters: a voltage value, a current value.
  • the determining unit is configured to: when the compensation structure of the non-contact transformer is a series-compensation structure, and when the comparison result of the comparison unit is a coupling coefficient of the transformer, the non-contact type is stored in advance When the coupling coefficient of the transformer is small, it is determined that the air gap of the non-contact transformer is increased or misaligned; when the comparison result of the comparison unit is that the coupling coefficient of the transformer is larger than the coupling coefficient of the pre-stored non-contact transformer At the time, it is determined that the air gap of the non-contact transformer is reduced.
  • the determining unit is configured to: when the compensation structure of the contactless transformer is a series-compensation structure, and when the comparison result of the comparison unit is a voltage value of a transmitting end of the set at a fixed frequency, When the phase angle of the current is larger than a phase angle of a voltage value and a current of the transmitting end at a fixed frequency, the air gap of the non-contact transformer is increased or misaligned; when the comparison result of the comparing unit The phase value of the voltage value and the current at the fixed frequency of the transmitting end of the current collector is smaller than the phase angle of the voltage value and the current of the transmitting terminal at the fixed frequency in the case of the fixed frequency, The air gap of the non-contact transformer is determined to decrease.
  • the determining unit is configured to: when the compensation structure of the non-contact transformer is a serial-to-compensation structure, and when the comparison result of the comparison unit is a rectified voltage value of the receiving end of the set, than a pre-stored receiving end The rectified voltage value is large, and the current value of the receiving end of the collector is smaller than the current value of the pre-stored receiving end, determining that the air gap of the non-contacting transformer is increased or misaligned; when the comparison result of the comparing unit is a set When the rectified voltage value of the receiving end is smaller than the rectified voltage value of the pre-stored receiving end, and the current value of the receiving end of the collecting is larger than the current value of the pre-stored receiving end, it is determined that the air gap of the non-contacting transformer is reduced.
  • the determining unit is configured to be a string compensation structure when the compensation structure of the non-contact transformer is, and the impedance characteristics and voltage gain of the non-contact transformer are monotonic, and when the transmitting end is The phase angle of the voltage value and the current does not change, and the comparison result of the comparison unit results in an increase or misalignment of the air gap of the contact transformer; when the comparison result of the comparison unit is that the air gap of the collector transformer is decreased.
  • the determining unit is configured to be a string compensation structure when the compensation structure of the non-contact transformer is, and the impedance characteristics and voltage gain of the non-contact transformer are not monotonic, and when the transmitting end
  • the comparison of the comparison unit indicates that the air gap of the non-contact transformer is increased or misaligned; when the comparison result of the comparison unit is that the air gap of the contact transformer is decreased.
  • the embodiment of the invention further provides a computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions are used to execute the detection method of the non-contact transformer according to the embodiment of the invention.
  • the method and device for detecting a non-contact type transformer and a computer storage medium provided by the embodiments of the present invention collect circuit parameters of the wireless energy transmission system; and the circuit parameters of the collected and the wireless energy transmission system stored in advance are known Comparing the air gap with the circuit parameter corresponding to the misalignment distance information; determining the distance information of the air gap and the misalignment of the non-contact transformer of the wireless energy transmission system according to the comparison result, so that no additional detection equipment is needed, according to the circuit of the wireless transmission system
  • the parameters can determine the air gap and misalignment information of the non-contact transformer, which greatly reduces manpower consumption and material expenditure, simplifies the inspection process, and improves the detection efficiency.
  • FIG. 1 is a schematic diagram of an application scenario according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of air gap and misalignment of a non-contact type transformer according to an embodiment of the present invention
  • FIG. 3 is a schematic flow chart of a method for detecting a non-contact type transformer according to an embodiment of the present invention
  • FIG. 4 is a non-contact type transformer according to an embodiment of the present invention
  • Schematic diagram of the composition of the detecting device
  • FIG. 1 is a schematic diagram of an application scenario according to an embodiment of the present invention
  • the wireless energy transmission system includes a transmitting end 11, a receiving end 12, a power grid 13 and a load 14; 11 is connected to the grid 13, and the receiving end 12 is connected to the load 14.
  • the transmitting terminal 11 generates an AC signal that can be transmitted through the transformer, the energy is transmitted through the non-contacting transformer, and the receiving terminal 12 converts the signal received via the transformer into an electrical signal required by the load.
  • the transmitting end 11 and the receiving end 12 have no physical connection, and the energy transfer is mainly realized by the non-contact type transformer.
  • FIG. 2 is a schematic diagram of air gap and misalignment of a non-contact type transformer according to an embodiment of the present invention
  • points 01 and 02 are respectively a center point position of a primary winding and a secondary winding of a non-contact type transformer
  • a distance a and b is the misalignment distance between the primary winding and the secondary winding in the X direction and the y direction, respectively
  • the distance c is the air gap between the primary winding and the secondary winding.
  • FIG. 3 is a schematic flowchart of a method for detecting a non-contact type transformer according to an embodiment of the present invention; As shown in 3, the following steps are included:
  • Step 301 Collect circuit parameters.
  • the circuit parameters of the wireless energy transmission system include: circuit parameters at the transmitting end, circuit parameters at the receiving end, and coupling coefficients of the non-contacting transformer;
  • the circuit parameter of the transmitting end includes at least one of the following parameters: a phase angle of a voltage and a current, and a switching frequency value;
  • the circuit parameters of the receiving end include at least one of the following parameters: a voltage value, a current value.
  • Step 302 Compare the circuit parameters of the circuit set with the circuit parameters of the circuit parameters corresponding to the distance information of the known air gap and the misalignment when the wireless energy transmission system is stored in advance.
  • the wireless energy transmission system pre-stores circuit parameters of the system in a certain operating state, and the circuit parameter is a circuit corresponding to the known air gap and misalignment distance information of the system during operation. parameter.
  • the pre-stored circuit parameter may be a pre-detected standard circuit parameter when the wireless energy transmission system is in an optimal operating state. At this time, if the operating parameters of the wireless energy transmission system are better than the stored circuit parameters, the system updates the stored circuit parameters.
  • Step 303 Determine distance information of the non-contact transformer air gap and the misalignment of the wireless energy transmission system according to the comparison result.
  • the determining, according to the comparison result, the distance information of the wireless energy transmission system non-contact type transformer air gap and the misalignment is related to the front-rear stage compensation structure of the non-contact type transformer in the wireless energy transmission system.
  • the embodiment of the present invention is further described in detail with a serial compensation structure.
  • the compensation structure of the non-contact transformer is a series-compensation structure
  • the coupling coefficient of the clamped transformer is smaller than a coupling coefficient of the pre-stored non-contact transformer
  • determining the gas of the non-contact transformer The gap is increased or misaligned; when the coupling coefficient of the clamped transformer is larger than the coupling coefficient of the pre-stored non-contact transformer, the air gap of the non-contact transformer is determined to decrease.
  • the compensation structure of the non-contact type transformer is a series-compensation structure
  • the transmitting end of the set is at a fixed frequency
  • the voltage value and the phase angle of the current are higher than the pre-stored transmitting end at a fixed frequency.
  • the phase angle of the voltage value and the current is large, it is determined that the air gap of the non-contact transformer is increased or misaligned; when the frequency of the collector of the collector is at a fixed frequency and the phase angle of the current is greater than the pre-stored transmission
  • the voltage value of the terminal at a fixed frequency and the phase angle of the current are small, the air gap of the non-contact transformer is determined to decrease.
  • the compensation structure of the non-contact transformer is a series-compensation structure
  • the rectified voltage value of the receiving end of the collector is larger than the rectified voltage value of the pre-stored receiving end
  • the current value of the receiving end of the collector is stored in advance
  • the current value of the receiving end is small, it is determined that the air gap of the non-contacting transformer is increased or misaligned; when the rectified voltage value of the receiving end of the collector is smaller than the rectified voltage value of the pre-stored receiving end, and the current of the receiving end of the collector is collected
  • the value is larger than the current value of the pre-stored receiving end, it is determined that the air gap of the non-contact type transformer is reduced.
  • the compensation structure of the non-contact transformer is a series-compensation structure, and the impedance characteristics and voltage gain of the non-contact transformer are monotonic, and when the transmitting end is not at a phase angle of a voltage value and a current
  • the switching frequency value of the collector is larger than the switching frequency value of the pre-stored transmitting end, it is determined that the air gap of the non-contacting transformer is increased or misaligned; when the switching frequency value of the collector is higher than the pre-stored switching of the transmitting end When the frequency value is small, the air gap of the non-contact transformer is determined to decrease.
  • the compensation structure of the non-contact transformer is a series-compensation structure, and the impedance characteristics and voltage gain of the non-contact transformer are not monotonic, and when the transmitting end is in power
  • the phase angle of the voltage value and the current is constant, and the switching frequency value of the collector is smaller than the switching frequency value of the pre-stored transmitting end, and the air gap of the non-contacting transformer is determined to be increased or misaligned; The air gap is reduced.
  • the front and rear stage compensation structure is specifically to add a capacitance on the original secondary winding of the non-contact type transformer to compensate the original secondary winding.
  • the front and rear stage series compensation structure specifically refers to a capacitor connected in series on the primary winding of the non-contact transformer, and a capacitor connected in parallel on the secondary winding.
  • the position of the original secondary winding of the transformer is adjusted, so that the wireless energy transmission system can transmit energy efficiently and stably.
  • the embodiment of the invention further provides a computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions are used to execute the non-contact transformer detection method according to the embodiment of the invention.
  • FIG. 4 is a schematic structural diagram of a non-contact type transformer detecting device according to an embodiment of the present invention, such as As shown in FIG. 4, the apparatus includes: a collecting unit 41, a storage unit 42, a comparing unit 43, and a determining unit 44;
  • the collecting unit 41 is configured to collect circuit parameters
  • the storage unit 42 is configured to store circuit parameters corresponding to the distance information of the known air gap and the misalignment
  • the comparing unit 43 is configured to compare the circuit parameters collected by the collecting unit 41 with the circuit parameters stored by the storage unit 42;
  • the determining unit 44 is configured to determine distance information of the wireless energy transmission system non-contact transformer air gap and misalignment according to the comparison result of the comparison unit 43.
  • the circuit parameter stored by the storage unit 42 is a circuit parameter of the wireless energy system in a certain operating state, and the circuit parameter is a distance information of a known air gap and misalignment of the system during operation. Circuit parameters.
  • the pre-stored circuit parameter may be a pre-detected standard circuit parameter when the wireless energy transmission system is in an optimal operating state. At this time, if the operating parameters of the wireless energy transmission system are better than the stored circuit parameters compared to the stored circuit parameters, the storage unit 42 updates the stored circuit. parameter.
  • the circuit parameters of the wireless energy transmission system collected by the collecting unit 41 include: circuit parameters of the transmitting end, circuit parameters of the receiving end, and coupling coefficient of the contactless transformer; wherein the circuit parameters of the transmitting end include at least the following parameters One: the phase angle of voltage and current, the switching frequency value;
  • the circuit parameters of the receiving end include at least one of the following parameters: a voltage value, a current value.
  • the determining unit 44 is configured to: when the compensation structure of the non-contact transformer is a series-compensation structure, and when the comparison result of the comparison unit 43 is a coupling coefficient of the transformer, the pre-stored non-prepared When the coupling coefficient of the contact transformer is small, it is determined that the air gap of the non-contact transformer is increased or misaligned; when the comparison result of the comparison unit 43 is that the coupling coefficient of the transformer is higher than that of the pre-stored non-contact transformer When the coupling coefficient is large, it is determined that the air gap of the non-contact transformer is reduced.
  • the determining unit 44 is configured to: when the compensation structure of the contactless transformer is a serial-to-compensation structure, and when the comparison result of the comparison unit 43 is a voltage value of the transmitting end of the set at a fixed frequency And determining that the air gap of the non-contact transformer is increased or misaligned when the phase angle of the current is larger than the phase angle of the voltage value and the current of the transmitting terminal at the fixed frequency; the comparison unit 43 The comparison result is that the phase value of the voltage value and the current of the transmitting end of the collector is smaller than the phase angle of the voltage value and the current of the transmitting terminal at the fixed frequency, and the non-contact transformer is determined. The air gap is reduced.
  • the determining unit 44 is configured to: when the compensation structure of the non-contact transformer is a series-compensation structure, and when the comparison result of the comparison unit 43 is a rectified voltage value of the receiving end of the set, the pre-stored receiving is compared The rectified voltage value of the terminal is large, and the current value of the receiving end of the collector is smaller than the current value of the pre-stored receiving end, determining that the air gap of the non-contacting transformer is increased or misaligned; when the comparison result of the comparing unit 43 is Determining the air gap of the non-contact transformer when the rectified voltage value of the receiving end of the collector is smaller than the rectified voltage value of the pre-stored receiving end, and the current value of the receiving end of the collector is larger than the current value of the pre-stored receiving end .
  • the determining unit 44 is configured to: when the compensation structure of the non-contact transformer is a series-compensation structure, and the impedance characteristics and the voltage gain of the non-contact transformer are monotonic, and when the transmitting end is The phase angle of the voltage value and the current does not change, and the air gap of the comparison junction non-contact transformer of the comparison unit 43 increases or is misaligned; when the comparison result of the comparison unit 43 is that the air gap of the contact transformer decreases.
  • the determining unit 44 is configured to: when the compensation structure of the non-contacting transformer is a series-compensation structure, and the impedance characteristics and voltage gain of the non-contacting transformer are not monotonic, and when the transmitting end When the phase angles of the voltage value and the current are constant, the air gap of the comparison unit 43 is increased or misaligned compared to the non-contact transformer; when the air gap of the comparison junction non-contact transformer of the comparison unit 43 is reduced small.
  • the detection device of the non-contact type transformer may be implemented by a transmitting end or a receiving end in the wireless energy transmission system shown in FIG. 1 in actual application; the collecting unit 41 of the detecting device is actually In the application, it can be implemented by a phase table; in actual application, the memory unit 42 can be implemented by a memory in the device; the comparing unit 43 and the determining unit 44 are In practical applications, it can be implemented by a central processing unit (CPU) in a device, or a digital signal processor (DSP), or a Field-Programmable Gate Array (FPGA).
  • CPU central processing unit
  • DSP digital signal processor
  • FPGA Field-Programmable Gate Array
  • embodiments of the present invention can be provided as a method, apparatus, or computer program product. Accordingly, the present invention may take the form of a hardware embodiment, a software embodiment, or an embodiment of a combination of software and hardware. Moreover, the invention can be embodied in the form of a computer program product embodied on one or more computer usable storage media (including but not limited to disk storage and optical storage, etc.) including computer usable program code.
  • the present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus, and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowcharts and/or block diagrams, and combinations of flow and/or blocks in the flowcharts and/or block diagrams can be implemented by computer program instructions.
  • the computer program instructions can be provided to a processor of a general purpose computer, a special purpose computer, an embedded processor, or other programmable data processing device to produce a machine such that a process or a process and/or a block diagram of a block or A device that has multiple functions specified in the box.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • the embodiment of the present invention compares the circuit parameters of the wireless energy transmission system by comparing the circuit parameters of the collected wireless power transmission system with the previously stored circuit parameters corresponding to the air gap and the misaligned distance information of the wireless energy transmission system;
  • the comparison result determines the distance information between the air gap and the misalignment of the non-contact transformer of the wireless energy transmission system, so that the air gap and the misalignment of the non-contact transformer can be determined according to the circuit parameters of the wireless transmission system without adding other detection devices.
  • the information greatly reduces the labor consumption and material expenditure, simplifies the inspection process and improves the detection efficiency.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Near-Field Transmission Systems (AREA)

Abstract

一种非接触式变压器的检测方法、装置及计算机存储介质；其中，所述方法包括：采集电路参数；将采集的电路参数与预先存储的已知气隙与错位的距离信息对应的电路参数进行比较；根据比较结果确定无线能量传输系统非接触式变压器气隙与错位的距离信息。

Description

一种非接触式变压器的检测方法、 装置及计算机存储介质 技术领域
本发明涉及检测技术， 具体涉及一种非接触式变压器的检测方法、 装 置及计算机存储介质。 背景技术
无线能量传输系统由相互分离的两个部分组成， 包括发送端、 接收端、 电网和负载； 其中， 发送端和接收端没有物理上的连接， 主要由非接触式 变压器实现能量的传递。 非接触式变压器作为无线能量传输系统中能量可 无线传递的主要部件， 其原副边绕组间的气隙以及相错位距离都对系统能 量传递以及控制带来了影响。 只有在非接触式变压器原副边绕组对准、 原 副边绕组具有一定气隙的情况下， 无线能量传输系统才能高效的传递能量。
非接触式变压器原副边绕组气隙的变化以及错位的发生， 一方面影响 系统能量传输的效率， 一方面在影响系统控制的稳定性。 甚至在变压器原 副边绕组的气隙超过一定范围或原副边绕组严重错位时， 系统将不能运行。
因此， 能够快速、 准确地检测到非接触式变压器原副边的气隙及错位 信息， 是无线能量传输系统的稳定、 高效运行的重要环节。 发明内容
为解决现有存在的技术问题， 本发明实施例提供了一种非接触式变压 器的检测方法、 装置及计算机存储介质， 能够快速准确的检测到非接触式 变压器原副边的气隙及错位信息。
本发明实施例的技术方案是这样实现的：
本发明实施例提供了一种非接触式变压器的检测方法， 所述检测方法 应用于无线能量传输系统中； 所述方法包括：
釆集电路参数；
将釆集的电路参数与预先存储的已知气隙与错位的距离信息对应的电 路参数进行比较； 根据比较结果确定所述无线能量传输系统非接触式变压 器气隙与错位的距离信息。
优选地， 所述无线能量传输系统的电路参数包括： 发送端的电路参数、 接收端的电路参数和非接触式变压器的耦合系数； 其中
所述发送端的电路参数包括以下参数的至少之一： 电压与电流的相位 角、 开关频率值；
所述接收端的电路参数包括以下参数的至少之一： 电压值、 电流值。 优选地， 所述根据比较结果确定所述系统非接触式变压器气隙与错位 的距离信息， 包括：
当所述非接触式变压器的补偿结构为串并补偿结构， 且当釆集的变压 器的耦合系数比预先存储的非接触式变压器的耦合系数小时， 确定所述非 接触式变压器的气隙增大或发生错位； 当釆集的变压器的耦合系数比预先 存储的非接触式变压器的耦合系数大时， 确定所述非接触式变压器的气隙 减小。
优选地， 所述根据比较结果确定所述系统非接触式变压器气隙与错位 的距离信息， 包括：
当所述非接触式变压器的补偿结构为串并补偿结构， 且当釆集的发送 端在定频情况下的电压值和电流的相位角比预先存储的发送端在定频情况 下的电压值和电流的相位角大时， 确定所述非接触式变压器的气隙增大或 发生错位； 当釆集的发送端在定频情况下的电压值和电流的相位角比预先 存储的发送端在定频情况下的电压值和电流的相位角小时， 确定所述非接 触式变压器的气隙减小。 优选地， 所述根据比较结果确定所述系统非接触式变压器气隙与错位 的距离信息， 包括：
当所述非接触式变压器的补偿结构为串并补偿结构， 且当釆集的接收 端的整流电压值比预先存储的接收端的整流电压值大， 且釆集的接收端的 电流值比预先存储的接收端的电流值小时， 确定所述非接触式变压器的气 隙增大或发生错位； 当釆集的接收端的整流电压值比预先存储的接收端的 整流电压值小， 且釆集的接收端的电流值比预先存储的接收端的电流值大 时， 确定所述非接触式变压器的气隙减小。
优选地， 所述根据比较结果确定所述系统非接触式变压器气隙与错位 的距离信息， 包括：
当所述非接触式变压器的补偿结构为串并补偿结构， 且所述非接触式 变压器的阻抗特性及电压增益具有单调性， 且当所述发送端在电压值和电 时， 确定所述非接触式变压器的气隙增大或发生错位； 当釆集的开关频率 值比预先存储的发送端的开关频率值小时， 确定所述非接触式变压器的气 隙减小。
优选地， 所述根据比较结果确定所述系统非接触式变压器气隙与错位 的距离信息， 包括：
当所述非接触式变压器的补偿结构为串并补偿结构， 且所述非接触式 变压器的阻抗特性及电压增益不具有单调性， 且当所述发送端在电压值和 电流的相位角不变， 釆集的开关频率值比预先存储的发送端的开关频率值 小时， 确定所述非接触式变压器的气隙增大或发生错位； 当釆集的开关频 率值比预先存储的发送端的开关频率值大时， 确定所述非接触式变压器的 气隙减小。
本发明实施例还提供了一种非接触式变压器的检测装置， 所述装置包 括： 釆集单元、 存储单元、 比较单元和确定单元； 其中，
所述釆集单元， 配置为釆集电路参数；
所述存储单元， 配置为存储已知气隙与错位的距离信息对应的电路参 数；
所述比较单元， 配置为将所述釆集单元釆集的电路参数与所述存储单 元存储的电路参数进行比较；
所述确定单元， 配置为根据所述比较单元的比较结果确定所述无线能 量传输系统中非接触式变压器气隙与错位的距离信息。
优选地， 所述釆集单元釆集的无线能量传输系统的电路参数包括： 发 送端的电路参数、 接收端的电路参数和非接触式变压器的耦合系数； 其中 所述发送端的电路参数包括以下参数的至少之一： 电压与电流的相位 角、 开关频率值；
所述接收端的电路参数包括以下参数的至少之一： 电压值、 电流值。 优选地， 所述确定单元， 配置为当所述非接触式变压器的补偿结构为 串并补偿结构， 且当所述比较单元的比较结果为釆集的变压器的耦合系数 比预先存储的非接触式变压器的耦合系数小时， 确定所述非接触式变压器 的气隙增大或发生错位； 当所述比较单元的比较结果为釆集的变压器的耦 合系数比预先存储的非接触式变压器的耦合系数大时， 确定所述非接触式 变压器的气隙减小。
优选地， 所述确定单元， 配置为当所述非接触式变压器的补偿结构为 串并补偿结构， 且当所述比较单元的比较结果为釆集的发送端在定频情况 下的电压值和电流的相位角比预先存储的发送端在定频情况下的电压值和 电流的相位角大时， 确定所述非接触式变压器的气隙增大或发生错位； 当 所述比较单元的比较结果为釆集的发送端在定频情况下的电压值和电流的 相位角比预先存储的发送端在定频情况下的电压值和电流的相位角小时， 确定所述非接触式变压器的气隙减小。
优选地， 所述确定单元， 配置为当所述非接触式变压器的补偿结构为 串并补偿结构， 且当所述比较单元的比较结果为釆集的接收端的整流电压 值比预先存储的接收端的整流电压值大， 且釆集的接收端的电流值比预先 存储的接收端的电流值小时， 确定所述非接触式变压器的气隙增大或发生 错位； 当所述比较单元的比较结果为釆集的接收端的整流电压值比预先存 储的接收端的整流电压值小， 且釆集的接收端的电流值比预先存储的接收 端的电流值大时， 确定所述非接触式变压器的气隙减小。
优选地， 所述确定单元， 配置为当所述非接触式变压器的补偿结构为 串并补偿结构， 且所述非接触式变压器的阻抗特性及电压增益具有单调性， 且当所述发送端在电压值和电流的相位角不变， 所述比较单元的比较结果 接触式变压器的气隙增大或发生错位； 当所述比较单元的比较结果为釆集 变压器的气隙减小。
优选地， 所述确定单元， 配置为当所述非接触式变压器的补偿结构为 串并补偿结构， 且所述非接触式变压器的阻抗特性及电压增益不具有单调 性， 且当所述发送端在电压值和电流的相位角不变， 所述比较单元的比较 述非接触式变压器的气隙增大或发生错位； 当所述比较单元的比较结果为 触式变压器的气隙减小。
本发明实施例还提供了一种计算机存储介质， 所述计算机存储介质中 存储有计算机可执行指令， 所述计算机可执行指令用于执行本发明实施例 所述的非接触式变压器的检测方法。 本发明实施例提供的非接触式变压器的检测方法、 装置及计算机存储 介质， 釆集所述无线能量传输系统的电路参数； 将釆集的电路参数与预先 存储的所述无线能量传输系统已知气隙与错位的距离信息对应的电路参数 进行比较； 根据比较结果确定所述无线能量传输系统非接触式变压器气隙 与错位的距离信息， 如此， 无需增加其他检测设备， 根据无线传输系统的 电路参数便可确定所述非接触式变压器的气隙及错位信息， 大大减少了人 力的消耗及物力的开支， 简化了检测流程， 提高了检测效率。 附图说明
图 1为本发明实施例的应用场景示意图；
图 2为本发明实施例中非接触式变压器气隙与错位的示意图； 图 3为本发明实施例的非接触式变压器的检测方法的流程示意图； 图 4为本发明实施例的非接触式变压器的检测装置的组成结构示意图。 具体实施方式
本发明实施例应用于如下场景： 图 1 为本发明实施例的应用场景示意 图； 如图 1所示， 所述无线能量传输系统包括发送端 11、 接收端 12、 电网 13和负载 14; 发送端 11连接电网 13， 接收端 12则与负载 14连接。 发送 端 11产生一个可以通过变压器传递的交流信号， 能量通过非接触式变压器 传递，接收端 12把经由变压器接收的信号转换为负载所需的电信号。其中， 发送端 11和接收端 12没有物理上的连接， 主要由非接触式变压器实现能 量的传递。
图 2 为本发明实施例中非接触式变压器气隙与错位的示意图； 如图 2 所示， 01点和 02点分别为非接触式变压器原边绕组和副边绕组中心点位 置， 距离 a和 b分别为原边绕组和副边绕组在 X方向和 y方向的错位距离； 距离 c为原边绕组和副边绕组之间的气隙。 本发明实施例应用于上述场景下。
下面结合附图及具体实施例对本发明作进一步详细的说明。
本发明实施例提供了一种非接触式变压器的检测方法， 所述检测方法 应用于上述无线能量传输系统中； 图 3 为本发明实施例的非接触式变压器 的检测方法的流程示意图； 如图 3所示， 包括以下步骤：
步骤 301 : 釆集电路参数。
所述无线能量传输系统的电路参数包括： 发送端的电路参数、 接收端 的电路参数和非接触式变压器的耦合系数； 其中
所述发送端的电路参数包括以下参数的至少之一： 电压与电流的相位 角、 开关频率值；
所述接收端的电路参数包括以下参数的至少之一： 电压值、 电流值。 步骤 302:将釆集的电路参数与预先存储的无线能量传输系统运行时已 知气隙与错位的距离信息对应的电路参数的电路参数进行比较。
本实施例中， 所述无线能量传输系统预先存储所述系统在某一运行状 态时的电路参数， 所述电路参数为所述系统在运行时的已知气隙与错位的 距离信息对应的电路参数。 优选地， 所述预先存储的电路参数可以是预先 检测的、 所述无线能量传输系统运行状态最优时的标准电路参数。 此时， 若釆集到的电路参数与所述存储的电路参数相比， 所述无线能量传输系统 的运行状态更优， 则系统更新存储的所述电路参数。
步骤 303 :根据比较结果确定所述无线能量传输系统非接触式变压器气 隙与错位的距离信息。
这里， 所述根据比较结果确定所述无线能量传输系统非接触式变压器 气隙与错位的距离信息与无线能量传输系统中非接触式变压器的前后级补 偿结构相关。 在本实施例中， 具体以串并补偿结构对本发明实施例作进一 步详细的说明。 具体的， 当所述非接触式变压器的补偿结构为串并补偿结构， 且当釆 集的变压器的耦合系数比预先存储的非接触式变压器的耦合系数小时， 确 定所述非接触式变压器的气隙增大或发生错位； 当釆集的变压器的耦合系 数比预先存储的非接触式变压器的耦合系数大时， 确定所述非接触式变压 器的气隙减小。
或者， 当所述非接触式变压器的补偿结构为串并补偿结构， 且当釆集 的发送端在定频情况下的电压值和电流的相位角比预先存储的发送端在定 频情况下的电压值和电流的相位角大时， 确定所述非接触式变压器的气隙 增大或发生错位； 当釆集的发送端在定频情况下的电压值和电流的相位角 比预先存储的发送端在定频情况下的电压值和电流的相位角小时， 确定所 述非接触式变压器的气隙减小。
或者， 当所述非接触式变压器的补偿结构为串并补偿结构， 且当釆集 的接收端的整流电压值比预先存储的接收端的整流电压值大， 且釆集的接 收端的电流值比预先存储的接收端的电流值小时， 确定所述非接触式变压 器的气隙增大或发生错位； 当釆集的接收端的整流电压值比预先存储的接 收端的整流电压值小， 且釆集的接收端的电流值比预先存储的接收端的电 流值大时， 确定所述非接触式变压器的气隙减小。
或者， 当所述非接触式变压器的补偿结构为串并补偿结构， 且所述非 接触式变压器的阻抗特性及电压增益具有单调性， 且当所述发送端在电压 值和电流的相位角不变， 釆集的开关频率值比预先存储的发送端的开关频 率值大时， 确定所述非接触式变压器的气隙增大或发生错位； 当釆集的开 关频率值比预先存储的发送端的开关频率值小时， 确定所述非接触式变压 器的气隙减小。
或者， 当所述非接触式变压器的补偿结构为串并补偿结构， 且所述非 接触式变压器的阻抗特性及电压增益不具有单调性， 且当所述发送端在电 压值和电流的相位角不变， 釆集的开关频率值比预先存储的发送端的开关 频率值小时， 确定所述非接触式变压器的气隙增大或发生错位； 当釆集的 压器的气隙减小。
这里， 所述前后级补偿结构具体为在非接触式变压器原副边绕组上增 加电容， 以对所述原副边绕组进行补偿。 具体的， 所述前后级串并补偿结 构具体是指在所述非接触式变压器的原边绕组上串联一个电容， 在副边绕 组上并联一个电容。
本实施例中， 当通过釆集到的电路参数确定所述非接触式变压器的气 隙及错位信息后， 调整变压器原副边绕组的位置， 使无线能量传输系统的 能够高效、 稳定的传递能量。
本发明实施例还提供了一种计算机存储介质， 所述计算机存储介质中 存储有计算机可执行指令， 所述计算机可执行指令用于执行本发明实施例 所述的非接触式变压器的检测方法。
基于上述方法， 本发明实施例还提供了一种非接触式变压器的检测装 置， 应用与无线能量传输系统中； 图 4 为本发明实施例的非接触式变压器 的检测装置的组成结构示意图， 如图 4所示， 所述装置包括： 釆集单元 41、 存储单元 42、 比较单元 43和确定单元 44; 其中，
所述釆集单元 41， 配置为釆集电路参数；
所述存储单元 42， 配置为存储已知气隙与错位的距离信息对应的电路 参数；
所述比较单元 43，配置为将所述釆集单元 41釆集的电路参数与所述存 储单元 42存储的电路参数进行比较；
所述确定单元 44，配置为根据所述比较单元 43的比较结果确定所述无 线能量传输系统非接触式变压器气隙与错位的距离信息。 这里， 所述存储单元 42存储的电路参数为所述无线能量系统在某一运 行状态时的电路参数， 所述电路参数为所述系统在运行时的已知气隙与错 位的距离信息对应的电路参数。 优选地， 所述预先存储的电路参数可以是 预先检测的、 所述无线能量传输系统运行状态最优时的标准电路参数。 此 时， 若所述釆集单元 41釆集到的电路参数与所述存储的电路参数相比， 所 述无线能量传输系统的运行状态更优， 则所述存储单元 42更新存储的所述 电路参数。
这里， 所述釆集单元 41釆集的无线能量传输系统的电路参数包括： 发 送端的电路参数、 接收端的电路参数和非接触式变压器的耦合系数； 其中 所述发送端的电路参数包括以下参数的至少之一： 电压与电流的相位 角、 开关频率值；
所述接收端的电路参数包括以下参数的至少之一： 电压值、 电流值。 具体的， 所述确定单元 44， 配置为当所述非接触式变压器的补偿结构 为串并补偿结构， 且当所述比较单元 43的比较结果为釆集的变压器的耦合 系数比预先存储的非接触式变压器的耦合系数小时， 确定所述非接触式变 压器的气隙增大或发生错位； 当所述比较单元 43的比较结果为釆集的变压 器的耦合系数比预先存储的非接触式变压器的耦合系数大时， 确定所述非 接触式变压器的气隙减小。
或者， 所述确定单元 44， 配置为当所述非接触式变压器的补偿结构为 串并补偿结构， 且当所述比较单元 43的比较结果为釆集的发送端在定频情 况下的电压值和电流的相位角比预先存储的发送端在定频情况下的电压值 和电流的相位角大时， 确定所述非接触式变压器的气隙增大或发生错位； 当所述比较单元 43的比较结果为釆集的发送端在定频情况下的电压值和电 流的相位角比预先存储的发送端在定频情况下的电压值和电流的相位角小 时， 确定所述非接触式变压器的气隙减小。 或者， 所述确定单元 44， 配置为当所述非接触式变压器的补偿结构为 串并补偿结构， 且当所述比较单元 43的比较结果为釆集的接收端的整流电 压值比预先存储的接收端的整流电压值大， 且釆集的接收端的电流值比预 先存储的接收端的电流值小时， 确定所述非接触式变压器的气隙增大或发 生错位； 当所述比较单元 43的比较结果为釆集的接收端的整流电压值比预 先存储的接收端的整流电压值小， 且釆集的接收端的电流值比预先存储的 接收端的电流值大时， 确定所述非接触式变压器的气隙减小。
或者， 所述确定单元 44， 配置为当所述非接触式变压器的补偿结构为 串并补偿结构， 且所述非接触式变压器的阻抗特性及电压增益具有单调性， 且当所述发送端在电压值和电流的相位角不变， 所述比较单元 43的比较结 非接触式变压器的气隙增大或发生错位； 当所述比较单元 43的比较结果为 触式变压器的气隙减小。
或者， 所述确定单元 44， 配置为当所述非接触式变压器的补偿结构为 串并补偿结构， 且所述非接触式变压器的阻抗特性及电压增益不具有单调 性， 且当所述发送端在电压值和电流的相位角不变， 所述比较单元 43的比 所述非接触式变压器的气隙增大或发生错位； 当所述比较单元 43的比较结 非接触式变压器的气隙减小。
其中， 本发明实施例所述非接触式变压器的检测装置在实际应用中， 可由图 1 所示的无线能量传输系统中的发送端或接收端实现； 所述检测装 置的釆集单元 41在实际应用中， 可由相位表实现； 所述存储单元 42在实 际应用中， 可由装置中的存储器实现； 所述比较单元 43和确定单元 44在 实际应用中， 可由装置中的中央处理器 （CPU， Central Processing Unit ), 或数字信号处理器（ DSP, Digital Signal Processor )、或可编程门阵列（ FPGA， Field-Programmable Gate Array ) 实现。
本领域内的技术人员应明白， 本发明的实施例可提供为方法、 设备、 或计算机程序产品。 因此， 本发明可釆用硬件实施例、 软件实施例、 或结 合软件和硬件方面的实施例的形式。 而且， 本发明可釆用在一个或多个其 中包含有计算机可用程序代码的计算机可用存储介质 (包括但不限于磁盘 存储器和光学存储器等 )上实施的计算机程序产品的形式。
本发明是参照根据本发明实施例的方法、 设备、 和计算机程序产品的 流程图和 /或方框图来描述的。 应理解可由计算机程序指令实现流程图和 / 或方框图中的每一流程和 /或方框、以及流程图和 /或方框图中的流程和 /或方 框的结合。 可提供这些计算机程序指令到通用计算机、 专用计算机、 嵌入 式处理机或其他可编程数据处理设备的处理器以产生一个机器， 使得通过 程图一个流程或多个流程和 /或方框图一个方框或多个方框中指定的功能的 装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理 设备以特定方式工作的计算机可读存储器中， 使得存储在该计算机可读存 储器中的指令产生包括指令装置的制造品， 该指令装置实现在流程图一个 流程或多个流程和 /或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备 上， 使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机 实现的处理， 从而在计算机或其他可编程设备上执行的指令提供用于实现 在流程图一个流程或多个流程和 /或方框图一个方框或多个方框中指定的功 能的步骤。 以上所述仅是本发明实施例的实施方式， 应当指出， 对于本技术领域 的普通技术人员来说， 在不脱离本发明实施例原理的前提下， 还可以作出 若干改进和润饰， 这些改进和润饰也应视为本发明实施例的保护范围。 工业实用性
本发明实施例通过釆集所述无线能量传输系统的电路参数； 将釆集的 电路参数与预先存储的所述无线能量传输系统已知气隙与错位的距离信息 对应的电路参数进行比较； 根据比较结果确定所述无线能量传输系统非接 触式变压器气隙与错位的距离信息， 如此， 无需增加其他检测设备， 根据 无线传输系统的电路参数便可确定所述非接触式变压器的气隙及错位信 息， 大大减少了人力的消耗及物力的开支， 简化了检测流程， 提高了检测 效率。

Claims

权利要求书
1、 一种非接触式变压器的检测方法， 所述检测方法应用于无线能量传 输系统中； 所述方法包括：
釆集电路参数；
将釆集的电路参数与预先存储的已知气隙与错位的距离信息对应的电 路参数进行比较； 根据比较结果确定所述无线能量传输系统非接触式变压 器气隙与错位的距离信息。
2、 根据权利要求 1所述的方法， 其中， 所述无线能量传输系统的电路 参数包括： 发送端的电路参数、 接收端的电路参数和非接触式变压器的耦 合系数； 其中，
所述发送端的电路参数包括以下参数的至少之一： 电压与电流的相位 角、 开关频率值；
所述接收端的电路参数包括以下参数的至少之一： 电压值、 电流值。
3、 根据权利要求 1或 2所述方法， 其中， 所述根据比较结果确定所述 系统非接触式变压器气隙与错位的距离信息， 包括：
当所述非接触式变压器的补偿结构为串并补偿结构， 且当釆集的变压 器的耦合系数比预先存储的非接触式变压器的耦合系数小时， 确定所述非 接触式变压器的气隙增大或发生错位； 当釆集的变压器的耦合系数比预先 存储的非接触式变压器的耦合系数大时， 确定所述非接触式变压器的气隙 减小。
4、 根据权利要求 1或 2所述的方法， 其中， 所述根据比较结果确定所 述系统非接触式变压器气隙与错位的距离信息， 包括：
当所述非接触式变压器的补偿结构为串并补偿结构， 且当釆集的发送 端在定频情况下的电压值和电流的相位角比预先存储的发送端在定频情况 下的电压值和电流的相位角大时， 确定所述非接触式变压器的气隙增大或 发生错位； 当釆集的发送端在定频情况下的电压值和电流的相位角比预先 存储的发送端在定频情况下的电压值和电流的相位角小时， 确定所述非接 触式变压器的气隙减小。
5、 根据权利要求 1或 2所述的方法， 其中， 所述根据比较结果确定所 述系统非接触式变压器气隙与错位的距离信息， 包括：
当所述非接触式变压器的补偿结构为串并补偿结构， 且当釆集的接收 端的整流电压值比预先存储的接收端的整流电压值大， 且釆集的接收端的 电流值比预先存储的接收端的电流值小时， 确定所述非接触式变压器的气 隙增大或发生错位； 当釆集的接收端的整流电压值比预先存储的接收端的 整流电压值小， 且釆集的接收端的电流值比预先存储的接收端的电流值大 时， 确定所述非接触式变压器的气隙减小。
6、 根据权利要求 1或 2所述的方法， 其中， 所述根据比较结果确定所 述系统非接触式变压器气隙与错位的距离信息， 包括：
当所述非接触式变压器的补偿结构为串并补偿结构， 且所述非接触式 变压器的阻抗特性及电压增益具有单调性， 且当所述发送端在电压值和电 时， 确定所述非接触式变压器的气隙增大或发生错位； 当釆集的开关频率 值比预先存储的发送端的开关频率值小时， 确定所述非接触式变压器的气 隙减小。
7、 根据权利要求 1或 2所述的方法， 其中， 所述根据比较结果确定所 述系统非接触式变压器气隙与错位的距离信息， 包括：
当所述非接触式变压器的补偿结构为串并补偿结构， 且所述非接触式 变压器的阻抗特性及电压增益不具有单调性， 且当所述发送端在电压值和 电流的相位角不变， 釆集的开关频率值比预先存储的发送端的开关频率值 小时， 确定所述非接触式变压器的气隙增大或发生错位； 当釆集的开关频 率值比预先存储的发送端的开关频率值大时， 确定所述非接触式变压器的 气隙减小。
8、 一种非接触式变压器的检测装置， 所述装置包括： 釆集单元、 存储 单元、 比较单元和确定单元； 其中，
所述釆集单元， 配置为釆集电路参数；
所述存储单元， 配置为存储已知气隙与错位的距离信息对应的电路参 数；
所述比较单元， 配置为将所述釆集单元釆集的电路参数与所述存储单 元存储的电路参数进行比较；
所述确定单元， 配置为根据所述比较单元的比较结果确定所述无线能 量传输系统中非接触式变压器气隙与错位的距离信息。
9、 根据权利要求 8所述的装置， 其中， 所述釆集单元釆集的无线能量 传输系统的电路参数包括： 发送端的电路参数、 接收端的电路参数和非接 触式变压器的耦合系数； 其中
所述发送端的电路参数包括以下参数的至少之一： 电压与电流的相位 角、 开关频率值；
所述接收端的电路参数包括以下参数的至少之一： 电压值、 电流值。
10、 根据权利要求 8或 9所述的装置， 其中， 所述确定单元， 配置为 当所述非接触式变压器的补偿结构为串并补偿结构， 且当所述比较单元的 比较结果为釆集的变压器的耦合系数比预先存储的非接触式变压器的耦合 系数小时， 确定所述非接触式变压器的气隙增大或发生错位； 当所述比较 单元的比较结果为釆集的变压器的耦合系数比预先存储的非接触式变压器 的耦合系数大时， 确定所述非接触式变压器的气隙减小。
11、 根据权利要求 8或 9所述的装置， 其中， 所述确定单元， 配置为 当所述非接触式变压器的补偿结构为串并补偿结构， 且当所述比较单元的 比较结果为釆集的发送端在定频情况下的电压值和电流的相位角比预先存 储的发送端在定频情况下的电压值和电流的相位角大时， 确定所述非接触 式变压器的气隙增大或发生错位； 当所述比较单元的比较结果为釆集的发 送端在定频情况下的电压值和电流的相位角比预先存储的发送端在定频情 况下的电压值和电流的相位角小时， 确定所述非接触式变压器的气隙减小。
12、 根据权利要求 8或 9所述的装置， 其中， 所述确定单元， 配置为 当所述非接触式变压器的补偿结构为串并补偿结构， 且当所述比较单元的 比较结果为釆集的接收端的整流电压值比预先存储的接收端的整流电压值 大， 且釆集的接收端的电流值比预先存储的接收端的电流值小时， 确定所 述非接触式变压器的气隙增大或发生错位； 当所述比较单元的比较结果为 釆集的接收端的整流电压值比预先存储的接收端的整流电压值小， 且釆集 的接收端的电流值比预先存储的接收端的电流值大时， 确定所述非接触式 变压器的气隙减小。
13、 根据权利要求 8或 9所述的装置， 其中， 所述确定单元， 配置为 当所述非接触式变压器的补偿结构为串并补偿结构， 且所述非接触式变压 器的阻抗特性及电压增益具有单调性， 且当所述发送端在电压值和电流的 相位角不变， 所述比较单元的比较结果为釆集的开关频率值比预先存储的 发送端的开关频率值大时， 确定所述非接触式变压器的气隙增大或发生错 位； 当所述比较单元的比较结果为釆集的开关频率值比预先存储的发送端 的开关频率值小时， 确定所述非接触式变压器的气隙减小。
14、 根据权利要求 8或 9所述的装置， 其中， 所述确定单元， 配置为 当所述非接触式变压器的补偿结构为串并补偿结构， 且所述非接触式变压 器的阻抗特性及电压增益不具有单调性， 且当所述发送端在电压值和电流 的相位角不变， 所述比较单元的比较结果为釆集的开关频率值比预先存储 的发送端的开关频率值小时， 确定所述非接触式变压器的气隙增大或发生 错位； 当所述比较单元的比较结果为釆集的开关频率值比预先存储的发送 端的开关频率值大时， 确定所述非接触式变压器的气隙减小。
15、 一种计算机存储介质， 所述计算机存储介质中存储有计算机可执 行指令， 所述计算机可执行指令用于执行权利要求 1至 7任一项所述的非 接触式变压器的检测方法。
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