WO2022198896A1 - Current transformer composite error testing apparatus and method - Google Patents
Current transformer composite error testing apparatus and method Download PDFInfo
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- WO2022198896A1 WO2022198896A1 PCT/CN2021/112865 CN2021112865W WO2022198896A1 WO 2022198896 A1 WO2022198896 A1 WO 2022198896A1 CN 2021112865 W CN2021112865 W CN 2021112865W WO 2022198896 A1 WO2022198896 A1 WO 2022198896A1
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- 239000002131 composite material Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims description 15
- 238000004804 winding Methods 0.000 claims abstract description 66
- 230000000712 assembly Effects 0.000 claims abstract description 5
- 238000000429 assembly Methods 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 claims description 191
- 230000005389 magnetism Effects 0.000 claims description 35
- 230000005347 demagnetization Effects 0.000 claims description 25
- 238000004891 communication Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 238000010248 power generation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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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
- G01R35/02—Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating
Definitions
- the invention belongs to the technical field of electric power systems, and in particular relates to a current transformer composite error detection device and method.
- the principle of the current transformer is based on the principle of electromagnetic induction.
- the current transformer is mainly used to convert the large current in the AC circuit into a certain proportion of small current (usually 5A or 1A) for monitoring, measurement and relay protection. use.
- small current usually 5A or 1A
- the current often ranges from tens of amps to tens of thousands of amps, and the circuit may be accompanied by high voltage, short circuit, etc.
- Current transformers can monitor and measure these circuits, and at the same time solve the dangers caused by high voltage and high current, which play a pivotal role in maintaining the safety, stability and accurate measurement of power systems.
- each transformer Before leaving the factory, each transformer must undergo error detection to determine whether it meets the requirements of the accuracy level.
- the existing current transformers need to perform compound error detection one by one, which is time-consuming and labor-intensive, and the detection accuracy is low.
- the present invention proposes a current transformer composite error detection device and method, which can simultaneously perform composite error detection on multiple current transformers, saving time and effort.
- the present invention discloses a current transformer composite error detection device, comprising:
- the detection platform is provided with a detection through slot, and at least two sets of detection components are arranged on the detection through slot, and each set of detection components includes: a power terminal arranged on one side of the detection through slot and a power terminal arranged on the opposite side of the detection through slot.
- the detection terminal on the other side, the power terminal and the detection terminal can be stretched;
- the carrier plate is slidably connected with the detection through slot, and at least two transformer bearing units are arranged on the bearing plate, and each transformer bearing unit is used to carry one current transformer to be detected;
- the primary winding power distributor which is electrically connected to the power terminals of each group of detection components respectively, is used to provide current for the primary winding side of the current transformer;
- the secondary winding detector is electrically connected to the detection terminals of each group of detection components through adjustable loads respectively, and is used to detect the current on the secondary winding side of the current transformer;
- the control device is electrically connected with the primary winding power distributor and the secondary winding detector respectively, and is used for controlling the operation of the primary winding power distributor and the secondary winding detector.
- the invention discloses a current transformer composite error detection device, which can quickly and effectively detect the composite error of a plurality of current transformers, has good detection efficiency, high detection accuracy, and greatly saves labor costs.
- two adjacent transformer carrier units are isolated by an electromagnetic shielding device.
- the sliding ends on both sides of the carrier plate are respectively slidably connected to the grooves on both sides of the detection through groove;
- the sliding end of the bottom of the carrier plate is slidably connected with the guide rail on the plane of the detection through groove.
- the above preferred solution is adopted, and the selection is made according to the specific situation.
- the bearing plate is connected with the bearing plate driving device in a driving manner, and the bearing plate driving device drives the bearing plate and the detection through groove to move relative to each other.
- the current transformer composite error detection device further includes a demagnetization device, the demagnetization device is respectively electrically connected to the power terminal of each detection component, the demagnetization device is electrically connected to the control device, and the control device controls the demagnetization device to work;
- the detection assembly further includes: a residual magnetism detection body arranged on the plane of the detection through slot and capable of lifting and lowering, and the residual magnetism detection body is used for detecting the residual magnetism in the current transformer.
- the transformer bearing unit is a "return"-shaped bearing platform, and a hole for lifting and lowering the residual magnetism detector is provided in the middle of the bearing platform.
- the residual magnetism is detected without affecting the load on the current transformer.
- each transformer carrying unit is provided with a transformer identification device for identifying the identity code on the current transformer to be detected, and the transformer identification device is connected in communication with the control device.
- the identity code of the current transformer is identified, which is convenient for later traceability.
- each transformer carrying unit is provided with a residual magnetic detection body identification device for identifying the position code on the residual magnetic detection body, and the residual magnetic detection body identification device is communicatively connected to the control device.
- the residual magnetism detector, the power supply terminal and the detection terminal represent the same group of detection components. Both the code and the identity code on the current transformer are unique, and each code is different, which is convenient for subsequent traceability of the current transformer.
- the present invention also discloses a current transformer composite error detection method, which utilizes any of the above-mentioned current transformer composite error detection devices for detection, and specifically includes the following steps:
- the carrier plate moves to the corresponding station on the detection channel
- the control device controls the power supply terminal and the detection terminal of the detection component to extend, and are respectively electrically connected to the primary winding terminal and the secondary winding terminal of the current transformer to be detected;
- the control device controls the primary winding power distributor to distribute the corresponding current, the secondary winding detector collects the current of the secondary winding terminal of the current transformer, and the control device performs secondary analysis and judgment on the collected current of the secondary winding terminal to obtain the current transformer preliminary judgment;
- the control device controls the primary winding power distributor to be closed, and the power terminals and the detection terminals of the detection components are retracted;
- the invention discloses a composite error detection method of a current transformer, which can quickly and effectively detect the composite error of a plurality of current transformers, has good detection efficiency, high detection accuracy, and greatly saves labor costs.
- a demagnetization step is also included before each detection operation, which specifically includes the following contents:
- the control device controls the power supply terminal and the detection terminal of the detection component to extend, and are respectively electrically connected to the primary winding terminal and the secondary winding terminal of the current transformer to be demagnetized;
- the control device controls the demagnetization device to demagnetize the current transformer. After each demagnetization process, the control device controls the remanence detection body to extend, and detects the remanence in the current transformer until it is zero, and each time the residual magnetism is detected. The detection results of the magnetic detector are all sent to the control device.
- an identity binding step which specifically includes the following content:
- the transformer identification device identifies the identity code on the current transformer to be detected, and sends it to the control device;
- the remanence detector identification device identifies the position code on the remanence detector and sends it to the control device;
- the control device binds the identity code with the corresponding location code.
- the residual magnetism detector, the power supply terminal and the detection terminal represent the same group of detection components. Both the code and the identity code on the current transformer are unique, and each code is different, which is convenient for subsequent traceability of the current transformer.
- FIG. 1 is a top view of a current transformer composite error detection device (with a guide rail) provided by an embodiment of the present invention.
- FIG. 2 is a top view when the carrier plate moves a certain distance in the current transformer composite error detection device shown in FIG. 1 .
- FIG 3 is a top view of a current transformer composite error detection device (without a guide rail) provided by an embodiment of the present invention.
- FIG. 4 is a top view when the carrier plate moves a certain distance in the current transformer composite error detection device shown in FIG. 3 .
- FIG. 5 is a top view of a current transformer composite error detection device (with a guide rail and a demagnetization device) provided by an embodiment of the present invention.
- 1-detection platform 11-detection through slot, 12-detection component, 121-power terminal, 122-detection terminal, 123-remanence detector, 2-carrying plate, 21-carrying platform, 22-hole, 23 -Sliding end, 3-Primary winding power distributor, 4-Secondary winding detector, 5-Adjustable load, 6-Guide rail, 7-Load plate drive device, 8-Demagnetization device.
- the current transformer composite error detection device includes:
- the detection platform 1 is provided with a detection through slot 11 on the detection platform 1, and at least two sets of detection assemblies 12 are arranged on the detection through slot 11, and each set of detection assemblies 12 includes: a power supply terminal disposed on one side of the detection through slot 11 121 and the detection terminal 122 disposed on the opposite side of the detection through slot 11, the power terminal 121 and the detection terminal 122 can be extended and retracted;
- the carrier plate 2 is slidably connected with the detection through slot 11, and at least two transformer bearing units are arranged on the bearing plate 2, and each transformer bearing unit is used to carry a current transformer to be detected;
- the primary winding power distributor 3 is electrically connected to the power terminals 121 of each group of detection components 12, respectively, and is used to provide current for the primary winding side of the current transformer;
- the secondary winding detector 4 is electrically connected to the detection terminals 122 of each group of detection components 12 through the adjustable load 5 respectively, and is used for detecting the current on the secondary winding side of the current transformer;
- the control device (not shown in the figure) is electrically connected to the primary winding power distributor 3 and the secondary winding detector 4 respectively, and is used to control the operation of the primary winding power distributor 3 and the secondary winding detector 4 .
- the invention discloses a current transformer composite error detection device, which can quickly and effectively detect the composite error of a plurality of current transformers, has good detection efficiency, high detection accuracy, and greatly saves labor costs.
- control device can record and save the detection status and detection results of each current transformer, which is convenient for later traceability.
- one transformer carrying unit corresponds to one detection component 12 , and multiple sets of detection components 12 are evenly distributed on the detection through slot 11 .
- an electromagnetic shielding device is passed between two adjacent transformer carrier units (Fig. not shown) isolation.
- the carrier board 2 is connected with the carrier board driving device 7 in a transmission manner, and the carrier board driving device 7 drives the carrier board 2 to move relative to the detection through slot 11 .
- the carrier board 2 is connected with the carrier board driving device 7 in a transmission manner, and the carrier board driving device 7 drives the carrier board 2 to move relative to the detection through slot 11 .
- the current transformer composite error detection device further includes a demagnetization device 8, and the demagnetization devices 8 are respectively is electrically connected to the power terminal 121 of each detection assembly 12, the demagnetization device 8 is electrically connected to the control device, and the control device controls the demagnetization device 8 to work;
- the detection assembly 12 further includes: a residual magnetism detection body 123 disposed on the plane of the detection through slot 11 and capable of lifting and lowering, and the residual magnetism detection body 123 is used to detect the residual magnetism in the current transformer.
- the transformer bearing unit is a "back"-shaped bearing platform 21 , and a hole 22 for lifting and lowering the residual magnetism detector 123 is provided in the middle of the bearing platform 21 .
- the residual magnetism is detected without affecting the load on the current transformer.
- the residual magnetism detector 123 extends into the central hole portion of the iron core of the current transformer to detect residual magnetism.
- each transformer carrying unit is provided with a transformer identification device for identifying the identity code on the current transformer to be detected, and the transformer identification device is communicated with the control device.
- the identity code of the current transformer is identified, which is convenient for later traceability.
- each transformer carrying unit is provided with a residual magnetism detection body identification device, which is used to identify the position code on the residual magnetism detection body 123, and the residual magnetism detection body identification device and control. Device communication connection.
- the residual magnetism detection body 123, the power supply terminal 121 and the detection terminal 122 represent the same group of detection components 12
- the position code on the residual magnetism detector 123 and the identity code on the current transformer are both unique, and each code is different, which facilitates the subsequent traceability of the current transformer.
- the remanence detection body identification device and the transformer identification device may be the same identification device, or may be two mutually independent identification devices.
- the present invention also discloses a current transformer composite error detection method, which utilizes any of the above-mentioned current transformer composite error detection devices for detection, and specifically includes the following steps:
- the carrier plate 2 moves to the corresponding station on the detection through slot 11;
- the control device controls the power terminal 121 and the detection terminal 122 of the detection component 12 to extend out, and are respectively electrically connected to the primary winding terminal and the secondary winding terminal of the current transformer to be detected;
- the control device controls the primary winding power distributor 3 to distribute the corresponding current, the secondary winding detector 4 collects the current of the secondary winding terminal of the current transformer, and the control device performs secondary analysis and judgment on the collected current of the secondary winding terminal to obtain the current Preliminary judgment of the transformer;
- the control device controls the primary winding power distributor 3 to close, and the power terminal 121 and the detection terminal 122 of the detection assembly 12 retract;
- the invention discloses a composite error detection method of a current transformer, which can quickly and effectively detect the composite error of a plurality of current transformers, has good detection efficiency, high detection accuracy, and greatly saves labor costs.
- a demagnetization step is also included before each detection operation, which specifically includes the following contents:
- the control device controls the power supply terminal 121 and the detection terminal 122 of the detection component 12 to extend, and are respectively electrically connected to the primary winding terminal and the secondary winding terminal of the current transformer to be demagnetized;
- the control device controls the demagnetization device 8 to demagnetize the current transformer. After each demagnetization process, the control device controls the remanence detector 123 to extend to detect the remanence in the current transformer until it is zero, and every The detection results of the secondary residual magnetism detector 123 are all sent to the control device.
- an identity binding step which specifically includes the following content:
- the transformer identification device identifies the identity code on the current transformer to be detected, and sends it to the control device;
- the remanence detector identification device identifies the position code on the remanence detector 123 and sends it to the control device;
- the control device binds the identity code with the corresponding location code.
- the residual magnetism detection body 123, the power supply terminal 121 and the detection terminal 122 represent the same group of detection components 12
- the position code on the residual magnetism detector 123 and the identity code on the current transformer are both unique, and each code is different, which facilitates the subsequent traceability of the current transformer.
- the current transformer composite error detection device has the function of identity binding, the current transformer can be freely placed on the transformer carrying unit at any position.
- the invention discloses a current transformer composite error detection device and method.
- the control device controls the primary winding power distributor 3 to distribute appropriate current, and the secondary winding detector 4 can detect the corresponding current in real time. Not only that, the control device can also implement the change of the current detected by the secondary winding detector 4 under different currents of the primary winding power distributor 3 . Or, after adopting different demagnetization methods, the secondary winding detector 4 detects the change of the current.
- the device disclosed in the present invention can form different detection schemes according to specific situations, and the control device has the kinetic energy of automatic recording, analysis and identity binding, and can combine the current transformers of the same batch or different batches horizontally or vertically Error analysis.
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Abstract
A current transformer composite error testing apparatus, comprising: a testing platform (1), a testing groove (11) disposed on the testing platform (1), and at least two testing assemblies (12) disposed on the testing groove (11), each testing assembly (12) comprising: a power terminal (121) arranged at one side of the testing groove (11) and a testing terminal (122) arranged at the opposite side of the testing groove (11), the power terminal (121) and the testing terminal (122) both being telescopic; a bearing plate (2) slidably connected to the testing groove (11), and at least two transformer bearing units disposed on the bearing plate (2), each transformer bearing unit being used for bearing a current transformer to be tested; a primary winding power allocator (3) electrically connected to the power terminal (121) of each testing assembly (12) separately and used for providing current to the primary winding side of the current transformers; a secondary winding tester (4) electrically connected to the testing terminal (122) of each testing assembly (12) separately by means of an adjustable load (5) and used for testing the current at the secondary winding side of the current transformers; and a control apparatus electrically connected to the primary winding power allocator (3) and the secondary winding tester (4) separately and used for controlling the operation of the primary winding power allocator (3) and the secondary winding tester (4).
Description
本发明属于电力***技术领域,具体涉及一种电流互感器复合误差检测装置及方法。The invention belongs to the technical field of electric power systems, and in particular relates to a current transformer composite error detection device and method.
在电力***中,电流互感器是测量和保护装置的必备元件。In power systems, current transformers are essential components of measurement and protection devices.
电流互感器的原理是根据电磁感应原理制成,电流互感器主要用来将交流电路中的大电流转换为一定比例的小电流(一般为5A或者1A),供监视、测量和继电保护之用。在发电、变电、输电、配电过程中,由于用电设备和用电需求的不同,电流往往从几十安到几万安都有,而且电路中还可能伴随高压、发生短路等情况,电流互感器能够对这些电路进行监控、测量,同时解决高压、高电流带来的危险,其在维护电力***的安全稳定和精确测量方面有举足轻重的作用。The principle of the current transformer is based on the principle of electromagnetic induction. The current transformer is mainly used to convert the large current in the AC circuit into a certain proportion of small current (usually 5A or 1A) for monitoring, measurement and relay protection. use. In the process of power generation, transformation, transmission and distribution, due to the difference in electrical equipment and electricity demand, the current often ranges from tens of amps to tens of thousands of amps, and the circuit may be accompanied by high voltage, short circuit, etc. Current transformers can monitor and measure these circuits, and at the same time solve the dangers caused by high voltage and high current, which play a pivotal role in maintaining the safety, stability and accurate measurement of power systems.
每台互感器在出厂前,都必须进行误差检测,以判断满足准确等级的要求,现有的电流互感器需要一个一个进行复合误差检测,耗时耗力,且检测精确度度低。Before leaving the factory, each transformer must undergo error detection to determine whether it meets the requirements of the accuracy level. The existing current transformers need to perform compound error detection one by one, which is time-consuming and labor-intensive, and the detection accuracy is low.
发明内容SUMMARY OF THE INVENTION
为了解决上述技术问题,本发明提出了一种电流互感器复合误差检测装置及方法,可以同时对多个电流互感器进行复合误差检测,省时省力。In order to solve the above technical problems, the present invention proposes a current transformer composite error detection device and method, which can simultaneously perform composite error detection on multiple current transformers, saving time and effort.
为了达到上述目的,本发明的技术方案如下:In order to achieve the above object, technical scheme of the present invention is as follows:
一方面,本发明公开了电流互感器复合误差检测装置,包括:In one aspect, the present invention discloses a current transformer composite error detection device, comprising:
检测平台,在检测平台上设有检测通槽,在检测通槽上设有至少 两组检测组件,每组检测组件均包括:设置于检测通槽一侧面的电源端子以及设置于检测通槽相对另一侧面的检测端子,电源端子和检测端子均能够伸缩;The detection platform is provided with a detection through slot, and at least two sets of detection components are arranged on the detection through slot, and each set of detection components includes: a power terminal arranged on one side of the detection through slot and a power terminal arranged on the opposite side of the detection through slot. The detection terminal on the other side, the power terminal and the detection terminal can be stretched;
承载板,与检测通槽滑动连接,在承载板上设有至少两个互感器承载单元,每个互感器承载单元用于对一个待检测电流互感器进行承载;The carrier plate is slidably connected with the detection through slot, and at least two transformer bearing units are arranged on the bearing plate, and each transformer bearing unit is used to carry one current transformer to be detected;
一次绕组电源分配器,分别与每组检测组件的电源端子电连接,用于为电流互感器一次绕组侧提供电流;The primary winding power distributor, which is electrically connected to the power terminals of each group of detection components respectively, is used to provide current for the primary winding side of the current transformer;
二次绕组检测仪,分别通过可调负载与每组检测组件的检测端子电连接,用于检测电流互感器二次绕组侧的电流;The secondary winding detector is electrically connected to the detection terminals of each group of detection components through adjustable loads respectively, and is used to detect the current on the secondary winding side of the current transformer;
控制装置,分别与一次绕组电源分配器和二次绕组检测仪电连接,用于控制一次绕组电源分配器和二次绕组检测仪工作。The control device is electrically connected with the primary winding power distributor and the secondary winding detector respectively, and is used for controlling the operation of the primary winding power distributor and the secondary winding detector.
本发明公开一种电流互感器复合误差检测装置,其可以快速有效的对多个电流互感器进行复合误差的检测,检测效率好,检测精度高,大大节省了人力成本。The invention discloses a current transformer composite error detection device, which can quickly and effectively detect the composite error of a plurality of current transformers, has good detection efficiency, high detection accuracy, and greatly saves labor costs.
在上述技术方案的基础上,还可做如下改进:On the basis of the above technical solutions, the following improvements can be made:
作为优选的方案,在承载板上,相邻两个互感器承载单元之间通过电磁屏蔽装置隔离。As a preferred solution, on the carrier board, two adjacent transformer carrier units are isolated by an electromagnetic shielding device.
采用上述优选的方案,防止检测中的电流互感器发生互相干扰的现象。By adopting the above preferred solution, the phenomenon of mutual interference of the current transformers in the detection is prevented.
作为优选的方案,承载板两侧的滑动端分别与检测通槽两侧的凹槽滑动连接;As a preferred solution, the sliding ends on both sides of the carrier plate are respectively slidably connected to the grooves on both sides of the detection through groove;
或,承载板的底部的滑动端与检测通槽平面上的导轨滑动连接。Or, the sliding end of the bottom of the carrier plate is slidably connected with the guide rail on the plane of the detection through groove.
采用上述优选的方案,根据具体的情况进行选择。承载板与承载板驱动装置传动连接,承载板驱动装置驱动承载板与检测通槽发生相对运动。The above preferred solution is adopted, and the selection is made according to the specific situation. The bearing plate is connected with the bearing plate driving device in a driving manner, and the bearing plate driving device drives the bearing plate and the detection through groove to move relative to each other.
作为优选的方案,电流互感器复合误差检测装置还包括退磁装置, 退磁装置分别与每个检测组件的电源端子电连接,退磁装置与控制装置电连接,控制装置控制退磁装置工作;As a preferred solution, the current transformer composite error detection device further includes a demagnetization device, the demagnetization device is respectively electrically connected to the power terminal of each detection component, the demagnetization device is electrically connected to the control device, and the control device controls the demagnetization device to work;
检测组件还包括:设置于检测通槽平面上能够升降的剩磁检测体,剩磁检测体用于检测电流互感器内的剩磁。The detection assembly further includes: a residual magnetism detection body arranged on the plane of the detection through slot and capable of lifting and lowering, and the residual magnetism detection body is used for detecting the residual magnetism in the current transformer.
采用上述优选的方案,在每次检测前,进行退磁操作,保证检测的精准性。With the above preferred solution, before each detection, a demagnetization operation is performed to ensure the detection accuracy.
作为优选的方案,互感器承载单元为“回”字形的承载台,承载台的中间设有用于剩磁检测体升降的孔洞。As a preferred solution, the transformer bearing unit is a "return"-shaped bearing platform, and a hole for lifting and lowering the residual magnetism detector is provided in the middle of the bearing platform.
采用上述优选的方案,在不影响对电流互感器承载的同时,对剩磁进行检测。With the above preferred solution, the residual magnetism is detected without affecting the load on the current transformer.
作为优选的方案,每个互感器承载单元上均设有互感器识别装置,用于对待检测电流互感器上的身份码进行识别,且互感器识别装置与控制装置通讯连接。As a preferred solution, each transformer carrying unit is provided with a transformer identification device for identifying the identity code on the current transformer to be detected, and the transformer identification device is connected in communication with the control device.
采用上述优选的方案,将电流互感器的身份码进行识别,便于后期的追溯。With the above preferred solution, the identity code of the current transformer is identified, which is convenient for later traceability.
作为优选的方案,每个互感器承载单元上均设有剩磁检测体识别装置,用于对剩磁检测体上的位置码进行识别,剩磁检测体识别装置与控制装置通讯连接。As a preferred solution, each transformer carrying unit is provided with a residual magnetic detection body identification device for identifying the position code on the residual magnetic detection body, and the residual magnetic detection body identification device is communicatively connected to the control device.
采用上述优选的方案,由于剩磁检测体、电源端子和检测端子的相对位置是固定的,故剩磁检测体、电源端子和检测端子代表的是同一组检测组件,剩磁检测体上的位置码和电流互感器上的身份码均具有唯一性,其每个码均不同,便于后续对电流互感器进行追溯。With the above preferred solution, since the relative positions of the residual magnetism detector, the power supply terminal and the detection terminal are fixed, the residual magnetism detector, the power supply terminal and the detection terminal represent the same group of detection components. Both the code and the identity code on the current transformer are unique, and each code is different, which is convenient for subsequent traceability of the current transformer.
另一方面,本发明还公开电流互感器复合误差检测方法,利用上述任一种电流互感器复合误差检测装置进行检测,具体包括以下步骤:On the other hand, the present invention also discloses a current transformer composite error detection method, which utilizes any of the above-mentioned current transformer composite error detection devices for detection, and specifically includes the following steps:
将待检测电流互感器放置到承载板上的互感器承载单元上;Place the current transformer to be detected on the transformer carrier unit on the carrier board;
承载板运动到检测通槽上的对应工位;The carrier plate moves to the corresponding station on the detection channel;
控制装置控制检测组件的电源端子和检测端子伸出,分别与待检 测电流互感器的一次绕组端子和二次绕组端子电连接;The control device controls the power supply terminal and the detection terminal of the detection component to extend, and are respectively electrically connected to the primary winding terminal and the secondary winding terminal of the current transformer to be detected;
控制装置控制一次绕组电源分配器分配对应电流,二次绕组检测仪采集电流互感器的二次绕组端子的电流,控制装置对采集到的二次绕组端子的电流进行次分析判断,得到电流互感器的初步判断;The control device controls the primary winding power distributor to distribute the corresponding current, the secondary winding detector collects the current of the secondary winding terminal of the current transformer, and the control device performs secondary analysis and judgment on the collected current of the secondary winding terminal to obtain the current transformer preliminary judgment;
控制装置控制一次绕组电源分配器关闭,检测组件的电源端子和检测端子回缩;The control device controls the primary winding power distributor to be closed, and the power terminals and the detection terminals of the detection components are retracted;
重复检测多次电流互感器,控制装置进行综合判断。Repeat the detection of the current transformer for many times, and the control device makes a comprehensive judgment.
本发明公开一种电流互感器复合误差检测方法,其可以快速有效的对多个电流互感器进行复合误差的检测,检测效率好,检测精度高,大大节省了人力成本。The invention discloses a composite error detection method of a current transformer, which can quickly and effectively detect the composite error of a plurality of current transformers, has good detection efficiency, high detection accuracy, and greatly saves labor costs.
作为优选的方案,每次检测操作前还包括退磁步骤,具体包括如下内容:As a preferred solution, a demagnetization step is also included before each detection operation, which specifically includes the following contents:
控制装置控制检测组件的电源端子和检测端子伸出,分别与待退磁电流互感器的一次绕组端子和二次绕组端子电连接;The control device controls the power supply terminal and the detection terminal of the detection component to extend, and are respectively electrically connected to the primary winding terminal and the secondary winding terminal of the current transformer to be demagnetized;
增大可调负载的负载量;Increase the load of the adjustable load;
控制装置控制退磁装置对电流互感器进行退磁处理,每次退磁处理结束后,控制装置控制剩磁检测体伸出,对电流互感器内的剩磁进行检测,直至其为零,且每次剩磁检测体的检测结果均发送给控制装置。The control device controls the demagnetization device to demagnetize the current transformer. After each demagnetization process, the control device controls the remanence detection body to extend, and detects the remanence in the current transformer until it is zero, and each time the residual magnetism is detected. The detection results of the magnetic detector are all sent to the control device.
采用上述优选的方案,保证每次电流互感器复合误差检测的精准性。The above preferred solution is adopted to ensure the accuracy of each current transformer composite error detection.
作为优选的方案,在第一次检测操作前还包括:身份绑定步骤,具体包括如下内容:As a preferred solution, before the first detection operation, it also includes: an identity binding step, which specifically includes the following content:
互感器识别装置对待检测电流互感器上的身份码进行识别,发送给控制装置;The transformer identification device identifies the identity code on the current transformer to be detected, and sends it to the control device;
剩磁检测体识别装置对剩磁检测体上的位置码进行识别,发送给控制装置;The remanence detector identification device identifies the position code on the remanence detector and sends it to the control device;
控制装置将身份码与对应的位置码进行绑定。The control device binds the identity code with the corresponding location code.
采用上述优选的方案,由于剩磁检测体、电源端子和检测端子的相对位置是固定的,故剩磁检测体、电源端子和检测端子代表的是同一组检测组件,剩磁检测体上的位置码和电流互感器上的身份码均具有唯一性,其每个码均不同,便于后续对电流互感器进行追溯。With the above preferred solution, since the relative positions of the residual magnetism detector, the power supply terminal and the detection terminal are fixed, the residual magnetism detector, the power supply terminal and the detection terminal represent the same group of detection components. Both the code and the identity code on the current transformer are unique, and each code is different, which is convenient for subsequent traceability of the current transformer.
为了更清楚地说明本发明实施例的技术方案,下面将对实施例中所需要使用的附图作简单地介绍,应当理解,以下附图仅示出了本发明的某些实施例,因此不应被看作是对范围的限定,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他相关的附图。In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and therefore do not It should be regarded as a limitation of the scope, and for those of ordinary skill in the art, other related drawings can also be obtained according to these drawings without any creative effort.
图1为本发明实施例提供的电流互感器复合误差检测装置(具有导轨时)的俯视图。FIG. 1 is a top view of a current transformer composite error detection device (with a guide rail) provided by an embodiment of the present invention.
图2为图1所示电流互感器复合误差检测装置中承载板移动一定距离时的俯视图。FIG. 2 is a top view when the carrier plate moves a certain distance in the current transformer composite error detection device shown in FIG. 1 .
图3为本发明实施例提供的电流互感器复合误差检测装置(无导轨时)的俯视图。3 is a top view of a current transformer composite error detection device (without a guide rail) provided by an embodiment of the present invention.
图4为图3所示电流互感器复合误差检测装置中承载板移动一定距离时的俯视图。FIG. 4 is a top view when the carrier plate moves a certain distance in the current transformer composite error detection device shown in FIG. 3 .
图5为本发明实施例提供的电流互感器复合误差检测装置(具有导轨和退磁装置时)的俯视图。FIG. 5 is a top view of a current transformer composite error detection device (with a guide rail and a demagnetization device) provided by an embodiment of the present invention.
其中:1-检测平台,11-检测通槽,12-检测组件,121-电源端子,122-检测端子,123-剩磁检测体,2-承载板,21-承载台,22-孔洞,23-滑动端,3-一次绕组电源分配器,4-二次绕组检测仪,5-可调负载,6-导轨,7-承载板驱动装置,8-退磁装置。Among them: 1-detection platform, 11-detection through slot, 12-detection component, 121-power terminal, 122-detection terminal, 123-remanence detector, 2-carrying plate, 21-carrying platform, 22-hole, 23 -Sliding end, 3-Primary winding power distributor, 4-Secondary winding detector, 5-Adjustable load, 6-Guide rail, 7-Load plate drive device, 8-Demagnetization device.
下面结合附图详细说明本发明的优选实施方式。The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
“包括”元件的表述是“开放式”表述,该“开放式”表述仅仅是指存在对应的部件,不应当解释为排除附加的部件。The expression "comprising" an element is an "open-ended" expression, which merely refers to the presence of corresponding components and should not be interpreted as excluding additional components.
为了达到本发明的目的,电流互感器复合误差检测装置及方法的其中一些实施例中,如图1-2所示,电流互感器复合误差检测装置包括:In order to achieve the purpose of the present invention, in some embodiments of the current transformer composite error detection device and method, as shown in Figures 1-2, the current transformer composite error detection device includes:
检测平台1,在检测平台1上设有检测通槽11,在检测通槽11上设有至少两组检测组件12,每组检测组件12均包括:设置于检测通槽11一侧面的电源端子121以及设置于检测通槽11相对另一侧面的检测端子122,电源端子121和检测端子122均能够伸缩;The detection platform 1 is provided with a detection through slot 11 on the detection platform 1, and at least two sets of detection assemblies 12 are arranged on the detection through slot 11, and each set of detection assemblies 12 includes: a power supply terminal disposed on one side of the detection through slot 11 121 and the detection terminal 122 disposed on the opposite side of the detection through slot 11, the power terminal 121 and the detection terminal 122 can be extended and retracted;
承载板2,与检测通槽11滑动连接,在承载板2上设有至少两个互感器承载单元,每个互感器承载单元用于对一个待检测电流互感器进行承载;The carrier plate 2 is slidably connected with the detection through slot 11, and at least two transformer bearing units are arranged on the bearing plate 2, and each transformer bearing unit is used to carry a current transformer to be detected;
一次绕组电源分配器3,分别与每组检测组件12的电源端子121电连接,用于为电流互感器一次绕组侧提供电流;The primary winding power distributor 3 is electrically connected to the power terminals 121 of each group of detection components 12, respectively, and is used to provide current for the primary winding side of the current transformer;
二次绕组检测仪4,分别通过可调负载5与每组检测组件12的检测端子122电连接,用于检测电流互感器二次绕组侧的电流;The secondary winding detector 4 is electrically connected to the detection terminals 122 of each group of detection components 12 through the adjustable load 5 respectively, and is used for detecting the current on the secondary winding side of the current transformer;
控制装置(图中未示出),分别与一次绕组电源分配器3和二次绕组检测仪4电连接,用于控制一次绕组电源分配器3和二次绕组检测仪4工作。The control device (not shown in the figure) is electrically connected to the primary winding power distributor 3 and the secondary winding detector 4 respectively, and is used to control the operation of the primary winding power distributor 3 and the secondary winding detector 4 .
本发明公开一种电流互感器复合误差检测装置,其可以快速有效 的对多个电流互感器进行复合误差的检测,检测效率好,检测精度高,大大节省了人力成本。The invention discloses a current transformer composite error detection device, which can quickly and effectively detect the composite error of a plurality of current transformers, has good detection efficiency, high detection accuracy, and greatly saves labor costs.
同时,控制装置可以对每个电流互感器的检测状态,检测结果进行记录保存,便于后期追溯。At the same time, the control device can record and save the detection status and detection results of each current transformer, which is convenient for later traceability.
在一些具体实施例中,一个互感器承载单元与一个检测组件12对应,多组检测组件12均匀分布于检测通槽11上。In some specific embodiments, one transformer carrying unit corresponds to one detection component 12 , and multiple sets of detection components 12 are evenly distributed on the detection through slot 11 .
为了进一步地优化本发明的实施效果,在另外一些实施方式中,其余特征技术相同,不同之处在于,在承载板2上,相邻两个互感器承载单元之间通过电磁屏蔽装置(图中未示出)隔离。In order to further optimize the implementation effect of the present invention, in other embodiments, the remaining features and techniques are the same, except that, on the carrier board 2, an electromagnetic shielding device is passed between two adjacent transformer carrier units (Fig. not shown) isolation.
采用上述优选的方案,防止检测中的电流互感器发生互相干扰的现象。By adopting the above preferred solution, the phenomenon of mutual interference of the current transformers in the detection is prevented.
如图3-4所示,为了进一步地优化本发明的实施效果,在另外一些实施方式中,其余特征技术相同,不同之处在于,承载板2两侧的滑动端22分别与检测通槽11两侧的凹槽(图中未示出)滑动连接。As shown in FIGS. 3-4 , in order to further optimize the implementation effect of the present invention, in other embodiments, other features and techniques are the same, except that the sliding ends 22 on both sides of the carrier plate 2 are respectively connected to the detection through grooves 11 . The grooves (not shown in the figure) on both sides are slidably connected.
采用上述优选的方案,根据具体的情况进行选择。承载板2与承载板驱动装置7传动连接,承载板驱动装置7驱动承载板2与检测通槽11发生相对运动。The above preferred solution is adopted, and the selection is made according to the specific situation. The carrier board 2 is connected with the carrier board driving device 7 in a transmission manner, and the carrier board driving device 7 drives the carrier board 2 to move relative to the detection through slot 11 .
如图1-2所示,为了进一步地优化本发明的实施效果,在另外一些实施方式中,其余特征技术相同,不同之处在于,承载板2的底部的滑动端(图中未示出)与检测通槽11平面上的导轨6滑动连接。As shown in Figures 1-2, in order to further optimize the implementation effect of the present invention, in other embodiments, the remaining features and techniques are the same, except that the sliding end of the bottom of the carrier plate 2 (not shown in the figure) It is slidingly connected with the guide rail 6 on the plane of the detection through slot 11 .
采用上述优选的方案,根据具体的情况进行选择。承载板2与承载板驱动装置7传动连接,承载板驱动装置7驱动承载板2与检测通槽11发生相对运动。The above preferred solution is adopted, and the selection is made according to the specific situation. The carrier board 2 is connected with the carrier board driving device 7 in a transmission manner, and the carrier board driving device 7 drives the carrier board 2 to move relative to the detection through slot 11 .
如图5所示,为了进一步地优化本发明的实施效果,在另外一些实施方式中,其余特征技术相同,不同之处在于,电流互感器复合误差检测装置还包括退磁装置8,退磁装置8分别与每个检测组件12的电源端子121电连接,退磁装置8与控制装置电连接,控制装置控 制退磁装置8工作;As shown in FIG. 5 , in order to further optimize the implementation effect of the present invention, in other embodiments, the remaining features and techniques are the same, the difference is that the current transformer composite error detection device further includes a demagnetization device 8, and the demagnetization devices 8 are respectively is electrically connected to the power terminal 121 of each detection assembly 12, the demagnetization device 8 is electrically connected to the control device, and the control device controls the demagnetization device 8 to work;
检测组件12还包括:设置于检测通槽11平面上能够升降的剩磁检测体123,剩磁检测体123用于检测电流互感器内的剩磁。The detection assembly 12 further includes: a residual magnetism detection body 123 disposed on the plane of the detection through slot 11 and capable of lifting and lowering, and the residual magnetism detection body 123 is used to detect the residual magnetism in the current transformer.
采用上述优选的方案,在每次检测前,进行退磁操作,保证检测的精准性。With the above preferred solution, before each detection, a demagnetization operation is performed to ensure the detection accuracy.
进一步,在上述实施方式的基础上,互感器承载单元为“回”字形的承载台21,承载台21的中间设有用于剩磁检测体123升降的孔洞22。Further, on the basis of the above-mentioned embodiment, the transformer bearing unit is a "back"-shaped bearing platform 21 , and a hole 22 for lifting and lowering the residual magnetism detector 123 is provided in the middle of the bearing platform 21 .
采用上述优选的方案,在不影响对电流互感器承载的同时,对剩磁进行检测。剩磁检测体123伸入电流互感器的铁芯中心孔洞部分,对剩磁进行检测。With the above preferred solution, the residual magnetism is detected without affecting the load on the current transformer. The residual magnetism detector 123 extends into the central hole portion of the iron core of the current transformer to detect residual magnetism.
进一步,在上述实施方式的基础上,每个互感器承载单元上均设有互感器识别装置,用于对待检测电流互感器上的身份码进行识别,且互感器识别装置与控制装置通讯连接。Further, on the basis of the above-mentioned embodiment, each transformer carrying unit is provided with a transformer identification device for identifying the identity code on the current transformer to be detected, and the transformer identification device is communicated with the control device.
采用上述优选的方案,将电流互感器的身份码进行识别,便于后期的追溯。With the above preferred solution, the identity code of the current transformer is identified, which is convenient for later traceability.
进一步,在上述实施方式的基础上,每个互感器承载单元上均设有剩磁检测体识别装置,用于对剩磁检测体123上的位置码进行识别,剩磁检测体识别装置与控制装置通讯连接。Further, on the basis of the above-mentioned embodiment, each transformer carrying unit is provided with a residual magnetism detection body identification device, which is used to identify the position code on the residual magnetism detection body 123, and the residual magnetism detection body identification device and control. Device communication connection.
采用上述优选的方案,由于剩磁检测体123、电源端子121和检测端子122的相对位置是固定的,故剩磁检测体123、电源端子121和检测端子122代表的是同一组检测组件12,剩磁检测体123上的位置码和电流互感器上的身份码均具有唯一性,其每个码均不同,便于后续对电流互感器进行追溯。With the above preferred solution, since the relative positions of the residual magnetism detection body 123, the power supply terminal 121 and the detection terminal 122 are fixed, the residual magnetism detection body 123, the power supply terminal 121 and the detection terminal 122 represent the same group of detection components 12, The position code on the residual magnetism detector 123 and the identity code on the current transformer are both unique, and each code is different, which facilitates the subsequent traceability of the current transformer.
在具体实施例中,剩磁检测体识别装置可以与互感器识别装置为同一个识别装置,也可以为两个相互独立的识别装置。In a specific embodiment, the remanence detection body identification device and the transformer identification device may be the same identification device, or may be two mutually independent identification devices.
以上多种实施方式可交叉并行实现。The above multiple implementations can be implemented in parallel in an interleaved manner.
另一方面,本发明还公开电流互感器复合误差检测方法,利用上述任一种电流互感器复合误差检测装置进行检测,具体包括以下步骤:On the other hand, the present invention also discloses a current transformer composite error detection method, which utilizes any of the above-mentioned current transformer composite error detection devices for detection, and specifically includes the following steps:
将待检测电流互感器放置到承载板2上的互感器承载单元上;Place the current transformer to be detected on the transformer bearing unit on the bearing board 2;
承载板2运动到检测通槽11上的对应工位;The carrier plate 2 moves to the corresponding station on the detection through slot 11;
控制装置控制检测组件12的电源端子121和检测端子122伸出,分别与待检测电流互感器的一次绕组端子和二次绕组端子电连接;The control device controls the power terminal 121 and the detection terminal 122 of the detection component 12 to extend out, and are respectively electrically connected to the primary winding terminal and the secondary winding terminal of the current transformer to be detected;
控制装置控制一次绕组电源分配器3分配对应电流,二次绕组检测仪4采集电流互感器的二次绕组端子的电流,控制装置对采集到的二次绕组端子的电流进行次分析判断,得到电流互感器的初步判断;The control device controls the primary winding power distributor 3 to distribute the corresponding current, the secondary winding detector 4 collects the current of the secondary winding terminal of the current transformer, and the control device performs secondary analysis and judgment on the collected current of the secondary winding terminal to obtain the current Preliminary judgment of the transformer;
控制装置控制一次绕组电源分配器3关闭,检测组件12的电源端子121和检测端子122回缩;The control device controls the primary winding power distributor 3 to close, and the power terminal 121 and the detection terminal 122 of the detection assembly 12 retract;
重复检测多次电流互感器,控制装置进行综合判断。Repeat the detection of the current transformer for many times, and the control device makes a comprehensive judgment.
本发明公开一种电流互感器复合误差检测方法,其可以快速有效的对多个电流互感器进行复合误差的检测,检测效率好,检测精度高,大大节省了人力成本。The invention discloses a composite error detection method of a current transformer, which can quickly and effectively detect the composite error of a plurality of current transformers, has good detection efficiency, high detection accuracy, and greatly saves labor costs.
为了进一步地优化本发明的实施效果,在另外一些实施方式中,其余特征技术相同,不同之处在于,每次检测操作前还包括退磁步骤,具体包括如下内容:In order to further optimize the implementation effect of the present invention, in other embodiments, the remaining feature technologies are the same, the difference is that a demagnetization step is also included before each detection operation, which specifically includes the following contents:
控制装置控制检测组件12的电源端子121和检测端子122伸出,分别与待退磁电流互感器的一次绕组端子和二次绕组端子电连接;The control device controls the power supply terminal 121 and the detection terminal 122 of the detection component 12 to extend, and are respectively electrically connected to the primary winding terminal and the secondary winding terminal of the current transformer to be demagnetized;
增大可调负载5的负载量;Increase the load of adjustable load 5;
控制装置控制退磁装置8对电流互感器进行退磁处理,每次退磁处理结束后,控制装置控制剩磁检测体123伸出,对电流互感器内的剩磁进行检测,直至其为零,且每次剩磁检测体123的检测结果均发送给控制装置。The control device controls the demagnetization device 8 to demagnetize the current transformer. After each demagnetization process, the control device controls the remanence detector 123 to extend to detect the remanence in the current transformer until it is zero, and every The detection results of the secondary residual magnetism detector 123 are all sent to the control device.
采用上述优选的方案,保证每次电流互感器复合误差检测的精准性。The above preferred solution is adopted to ensure the accuracy of each current transformer composite error detection.
为了进一步地优化本发明的实施效果,在另外一些实施方式中,其余特征技术相同,不同之处在于,在第一次检测操作前还包括:身份绑定步骤,具体包括如下内容:In order to further optimize the implementation effect of the present invention, in other embodiments, other feature technologies are the same, the difference is that, before the first detection operation, it also includes: an identity binding step, which specifically includes the following content:
互感器识别装置对待检测电流互感器上的身份码进行识别,发送给控制装置;The transformer identification device identifies the identity code on the current transformer to be detected, and sends it to the control device;
剩磁检测体识别装置对剩磁检测体123上的位置码进行识别,发送给控制装置;The remanence detector identification device identifies the position code on the remanence detector 123 and sends it to the control device;
控制装置将身份码与对应的位置码进行绑定。The control device binds the identity code with the corresponding location code.
采用上述优选的方案,由于剩磁检测体123、电源端子121和检测端子122的相对位置是固定的,故剩磁检测体123、电源端子121和检测端子122代表的是同一组检测组件12,剩磁检测体123上的位置码和电流互感器上的身份码均具有唯一性,其每个码均不同,便于后续对电流互感器进行追溯。With the above preferred solution, since the relative positions of the residual magnetism detection body 123, the power supply terminal 121 and the detection terminal 122 are fixed, the residual magnetism detection body 123, the power supply terminal 121 and the detection terminal 122 represent the same group of detection components 12, The position code on the residual magnetism detector 123 and the identity code on the current transformer are both unique, and each code is different, which facilitates the subsequent traceability of the current transformer.
同时,由于本电流互感器复合误差检测装置具有身份绑定功能,电流互感器可以随意放置在任意位置上的互感器承载单元。At the same time, because the current transformer composite error detection device has the function of identity binding, the current transformer can be freely placed on the transformer carrying unit at any position.
本发明公开一种电流互感器复合误差检测装置及方法,控制装置控制一次绕组电源分配器3分配合适的电流,二次绕组检测仪4可以实时检测到对应电流。不仅如此,控制装置还可以实施一次绕组电源分配器3分别不同电流下,二次绕组检测仪4检测到电流的变化情况。或,在采用不同退磁方法后,二次绕组检测仪4检测到电流的变化情况。The invention discloses a current transformer composite error detection device and method. The control device controls the primary winding power distributor 3 to distribute appropriate current, and the secondary winding detector 4 can detect the corresponding current in real time. Not only that, the control device can also implement the change of the current detected by the secondary winding detector 4 under different currents of the primary winding power distributor 3 . Or, after adopting different demagnetization methods, the secondary winding detector 4 detects the change of the current.
本发明所公开的装置可以根据具体的情形,形成不同的检测方案,且控制装置具有自动记录分析及身份绑定的动能,可以将同一批次或不同批次的电流互感器进行横向或纵向复合误差的分析。The device disclosed in the present invention can form different detection schemes according to specific situations, and the control device has the kinetic energy of automatic recording, analysis and identity binding, and can combine the current transformers of the same batch or different batches horizontally or vertically Error analysis.
上述实施例只为说明本发明的技术构思及特点,其目的在于让本领域普通技术人员能够了解本发明的内容并加以实施,并不能以此限制本发明的保护范围,凡根据本发明精神实质所作的等效变化或修饰, 都应涵盖在本发明的保护范围内。The above-mentioned embodiments are only for illustrating the technical concept and characteristics of the present invention, and their purpose is to enable those of ordinary skill in the art to understand the content of the present invention and implement them, and cannot limit the scope of protection of the present invention with this. The equivalent changes or modifications made shall all be covered within the protection scope of the present invention.
Claims (10)
- 电流互感器复合误差检测装置,其特征在于,包括:The current transformer composite error detection device is characterized in that, comprising:检测平台,在所述检测平台上设有检测通槽,在所述检测通槽上设有至少两组检测组件,每组所述检测组件均包括:设置于所述检测通槽一侧面的电源端子以及设置于所述检测通槽相对另一侧面的检测端子,所述电源端子和检测端子均能够伸缩;A detection platform, which is provided with a detection through slot, and at least two sets of detection assemblies are arranged on the detection through slot, and each group of the detection assemblies includes: a power supply arranged on one side of the detection through slot a terminal and a detection terminal arranged on the opposite side of the detection through slot, the power supply terminal and the detection terminal can be extended and retracted;承载板,与所述检测通槽滑动连接,在所述承载板上设有至少两个互感器承载单元,每个所述互感器承载单元用于对一个待检测电流互感器进行承载;a carrier plate, which is slidably connected to the detection through slot, and is provided with at least two transformer bearing units on the bearing plate, each of which is used to carry a current transformer to be detected;一次绕组电源分配器,分别与每组所述检测组件的电源端子电连接,用于为电流互感器一次绕组侧提供电流;a primary winding power distributor, which is electrically connected to the power terminals of each group of the detection components respectively, and is used to provide current for the primary winding side of the current transformer;二次绕组检测仪,分别通过可调负载与每组所述检测组件的检测端子电连接,用于检测电流互感器二次绕组侧的电流;The secondary winding detector is electrically connected to the detection terminals of each group of the detection components through adjustable loads respectively, and is used for detecting the current on the secondary winding side of the current transformer;控制装置,分别与所述一次绕组电源分配器和二次绕组检测仪电连接,用于控制所述一次绕组电源分配器和二次绕组检测仪工作。The control device is electrically connected to the primary winding power distributor and the secondary winding detector respectively, and is used for controlling the operation of the primary winding power distributor and the secondary winding detector.
- 根据权利要求1所述的电流互感器复合误差检测装置,其特征在于,在所述承载板上,相邻两个互感器承载单元之间通过电磁屏蔽装置隔离。The device for detecting a composite error of a current transformer according to claim 1, characterized in that, on the bearing plate, two adjacent transformer bearing units are isolated by an electromagnetic shielding device.
- 根据权利要求1所述的电流互感器复合误差检测装置,其特征在于,所述承载板两侧的滑动端分别与所述检测通槽两侧的凹槽滑动连接;The composite error detection device for a current transformer according to claim 1, wherein the sliding ends on both sides of the carrier plate are respectively slidably connected to the grooves on both sides of the detection through groove;或,所述承载板的底部的滑动端与所述检测通槽平面上的导轨滑动连接。Or, the sliding end of the bottom of the carrier plate is slidably connected to the guide rail on the plane of the detection through groove.
- 根据权利要求1-3任一项所述的电流互感器复合误差检测装置,其特征在于,所述电流互感器复合误差检测装置还包括退磁装置,所述退磁装置分别与每组所述检测组件的电源端子电连接,所述退磁装置与控制装置电连接,所述控制装置控制退磁装置工作;The current transformer composite error detection device according to any one of claims 1-3, wherein the current transformer composite error detection device further comprises a demagnetization device, and the demagnetization device is respectively connected with each group of the detection components The power terminal of the device is electrically connected, the demagnetization device is electrically connected with the control device, and the control device controls the demagnetization device to work;所述检测组件还包括:设置于所述检测通槽平面上能够升降的剩磁检测体,所述剩磁检测体用于检测电流互感器内的剩磁。The detection assembly further includes: a residual magnetism detection body disposed on the plane of the detection through-slot and capable of lifting and lowering, and the residual magnetism detection body is used to detect the residual magnetism in the current transformer.
- 根据权利要求4所述的电流互感器复合误差检测装置,其特征在于,所述互感器承载单元为“回”字形的承载台,所述承载台的中间设有用于剩磁检测体升降的孔洞。The current transformer composite error detection device according to claim 4, wherein the transformer bearing unit is a "back"-shaped bearing platform, and the middle of the bearing platform is provided with a hole for lifting and lowering the residual magnetism detection body .
- 根据权利要求5所述的电流互感器复合误差检测装置,其特征在于,每个所述互感器承载单元上均设有互感器识别装置,用于对待检测电流互感器上的身份码进行识别,且所述互感器识别装置与所述控制装置通讯连接。The current transformer composite error detection device according to claim 5, wherein each said transformer bearing unit is provided with a transformer identification device for identifying the identity code on the current transformer to be detected, And the transformer identification device is connected with the control device in communication.
- 根据权利要求6所述的电流互感器复合误差检测装置,其特征在于,每个所述互感器承载单元上均设有剩磁检测体识别装置,用于对所述剩磁检测体上的位置码进行识别,所述剩磁检测体识别装置与所述控制装置通讯连接。The current transformer composite error detection device according to claim 6, wherein each of the transformer carrying units is provided with a residual magnetism detection body identification device, which is used to detect the position on the residual magnetism detection body. The identification device of the residual magnetism detection body is connected with the control device in communication.
- 电流互感器复合误差检测方法,其特征在于,利用如权利要求1-7任一项的电流互感器复合误差检测装置进行检测,具体包括以下步骤:The current transformer composite error detection method is characterized in that, using the current transformer composite error detection device according to any one of claims 1-7 to detect, specifically comprising the following steps:将待检测电流互感器放置到承载板上的互感器承载单元上;Place the current transformer to be detected on the transformer carrier unit on the carrier board;承载板运动到检测通槽上的对应工位;The carrier plate moves to the corresponding station on the detection channel;控制装置控制检测组件的电源端子和检测端子伸出,分别与待检测电流互感器的一次绕组端子和二次绕组端子电连接;The control device controls the power supply terminal and the detection terminal of the detection component to extend, and are respectively electrically connected to the primary winding terminal and the secondary winding terminal of the current transformer to be detected;控制装置控制一次绕组电源分配器分配对应电流,二次绕组检测仪采集电流互感器的二次绕组端子的电流,控制装置对采集到的二次绕组端子的电流进行次分析判断,得到电流互感器的初步判断;The control device controls the primary winding power distributor to distribute the corresponding current, the secondary winding detector collects the current of the secondary winding terminal of the current transformer, and the control device performs secondary analysis and judgment on the collected current of the secondary winding terminal to obtain the current transformer preliminary judgment;控制装置控制一次绕组电源分配器关闭,检测组件的电源端子和检测端子回缩;The control device controls the primary winding power distributor to be closed, and the power terminals and the detection terminals of the detection components are retracted;重复检测多次电流互感器,控制装置进行综合判断。Repeat the detection of the current transformer for many times, and the control device makes a comprehensive judgment.
- 根据权利要求8的电流互感器复合误差检测方法,其特征在于,每次检测操作前还包括退磁步骤,具体包括如下内容:The current transformer composite error detection method according to claim 8, characterized in that, before each detection operation, it also includes a demagnetization step, which specifically includes the following content:控制装置控制检测组件的电源端子和检测端子伸出,分别与待退磁电流互感器的一次绕组端子和二次绕组端子电连接;The control device controls the power supply terminal and the detection terminal of the detection component to extend, and are respectively electrically connected to the primary winding terminal and the secondary winding terminal of the current transformer to be demagnetized;增大可调负载的负载量;Increase the load of the adjustable load;控制装置控制退磁装置对电流互感器进行退磁处理,每次退磁处理结束后,控制装置控制剩磁检测体伸出,对电流互感器内的剩磁进行检测,直至其为零,且每次剩磁检测体的检测结果均发送给控制装置。The control device controls the demagnetization device to demagnetize the current transformer. After each demagnetization process, the control device controls the remanence detection body to extend, and detects the remanence in the current transformer until it is zero, and each time the residual magnetism is detected. The detection results of the magnetic detector are all sent to the control device.
- 根据权利要求9的电流互感器复合误差检测方法,其特征在于,在第一次检测操作前还包括:身份绑定步骤,具体包括如下内容:The current transformer composite error detection method according to claim 9, characterized in that, before the first detection operation, further comprising: an identity binding step, which specifically includes the following contents:互感器识别装置对待检测电流互感器上的身份码进行识别,发送给控制装置;The transformer identification device identifies the identity code on the current transformer to be detected, and sends it to the control device;剩磁检测体识别装置对剩磁检测体上的位置码进行识别,发送给控制装置;The remanence detector identification device identifies the position code on the remanence detector and sends it to the control device;控制装置将身份码与对应的位置码进行绑定。The control device binds the identity code with the corresponding location code.
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