CN110618318A - Intelligent control insulation resistance tester - Google Patents
Intelligent control insulation resistance tester Download PDFInfo
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- CN110618318A CN110618318A CN201910891949.8A CN201910891949A CN110618318A CN 110618318 A CN110618318 A CN 110618318A CN 201910891949 A CN201910891949 A CN 201910891949A CN 110618318 A CN110618318 A CN 110618318A
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- 238000009413 insulation Methods 0.000 title claims abstract description 23
- 238000012360 testing method Methods 0.000 claims abstract description 32
- 230000005284 excitation Effects 0.000 claims abstract description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 5
- 229910052709 silver Inorganic materials 0.000 claims description 5
- 239000004332 silver Substances 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 230000007547 defect Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 206010014357 Electric shock Diseases 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/025—Measuring very high resistances, e.g. isolation resistances, i.e. megohm-meters
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
本发明涉及一种智能控制绝缘电阻测试仪，其特征在于，包括：兆欧表，所述的兆欧表电连接有被测设备，所述的被测设备电连接有电压激励装置；所述的兆欧表还电连接有智能遥控开关，所述的智能遥控开关通过无线网络与远程终端进行通信。
The invention relates to an intelligent control insulation resistance tester, which is characterized in that it comprises: a megohmmeter, the megohmmeter is electrically connected with a device under test, and the device under test is electrically connected with a voltage excitation device; The megohmmeter is also electrically connected with an intelligent remote control switch, and the intelligent remote control switch communicates with the remote terminal through a wireless network.
Description
技术领域technical field
本发明属于电力设备绝缘电阻测试技术领域，具体涉及一种智能控制绝缘电阻测试仪。The invention belongs to the technical field of electric equipment insulation resistance testing, and in particular relates to an intelligent control insulation resistance testing instrument.
背景技术Background technique
绝缘电阻测试是测试和检验电气设备的绝缘性能的比较常规的手段,所适用的设备包括马达、变压器、开关装置、控制装置和其他电气装置中绕组、电缆以及所有的绝缘材料。同时也是高压绝缘试验的预备试验,在进行比较危险和破坏性的实验之前先进行绝缘电阻的测试，可以提前发现绝缘材料的比较大的绝缘缺陷，并提前采取相应的措施，避免完全破坏被试物的绝缘.最佳的方法由被测设备类型和测试目的所确定。其中带有绕组或电介质材料的被试物或电容的测量中，吸收比和极化指数是判断其绝缘特性非常重要的指标。Insulation resistance testing is a relatively conventional method for testing and inspecting the insulation performance of electrical equipment. Applicable equipment includes windings, cables and all insulating materials in motors, transformers, switchgear, control devices and other electrical devices. At the same time, it is also a preparatory test for the high-voltage insulation test. The insulation resistance test is carried out before the more dangerous and destructive experiments, so that relatively large insulation defects of the insulating material can be found in advance, and corresponding measures can be taken in advance to avoid completely destroying the tested object. Insulation of objects. The best method is determined by the type of equipment under test and the purpose of the test. Among them, in the measurement of the test object or capacitance with winding or dielectric material, the absorption ratio and polarization index are very important indicators to judge its insulation characteristics.
现有技术中的测试方法在测试时，操作者与待测设备距离太近，容易造成触电事故。此为现有技术中存在的缺陷。In the testing method in the prior art, the distance between the operator and the device to be tested is too close during the test, which may easily cause electric shock accidents. This is a defect that exists in the prior art.
有鉴于此，本发明提供一种智能控制绝缘电阻测试仪；以解决现有技术中存在缺陷和不足。In view of this, the present invention provides an intelligent control insulation resistance tester to solve the defects and deficiencies in the prior art.
发明内容Contents of the invention
本发明的目的在于，针对上述现有技术中存在的测试时操作者与待测设备距离太近，容易造成触电事故的缺陷，提供设计一种智能控制绝缘电阻测试仪，以解决上述技术问题。The object of the present invention is to provide and design an intelligent control insulation resistance tester to solve the above-mentioned technical problems in view of the defect that the distance between the operator and the equipment under test is too close during the test in the above-mentioned prior art, which may easily cause electric shock accidents.
为实现上述目的，本发明给出以下技术方案：To achieve the above object, the present invention provides the following technical solutions:
一种智能控制绝缘电阻测试仪，包括：An intelligent control insulation resistance tester, comprising:
兆欧表，所述的兆欧表电连接有被测设备，所述的被测设备电连接有电压激励装置；A megohmmeter, the megohmmeter is electrically connected to the device under test, and the device under test is electrically connected to a voltage excitation device;
所述的兆欧表还电连接有智能遥控开关，所述的智能遥控开关通过无线网络与远程终端进行通信。The megohmmeter is also electrically connected with an intelligent remote control switch, and the intelligent remote control switch communicates with the remote terminal through a wireless network.
作为优选，所述的智能遥控开关包括控制器和电磁继电器，控制器的输出端连接有电磁继电器，控制器的输入端连接有无线接收器，所述的无线接收器接收来自远程终端的控制指令，电磁继电器的接触触点连接到兆欧表与被测设备间的测试电路中。简单方便实现对兆欧表接入测试电路的远程控制。Preferably, the intelligent remote control switch includes a controller and an electromagnetic relay, the output end of the controller is connected with an electromagnetic relay, and the input end of the controller is connected with a wireless receiver, and the wireless receiver receives control instructions from a remote terminal , the contacts of the electromagnetic relay are connected to the test circuit between the megohmmeter and the device under test. It is simple and convenient to realize the remote control of the megohmmeter access test circuit.
作为优选，所述的远程终端为手机终端；方便快捷的向智能遥控开关发送控制指令。Preferably, the remote terminal is a mobile phone terminal; it is convenient and fast to send control instructions to the intelligent remote control switch.
作为优选，所述的控制器为51系列单片机控制器；开发简单，成本低。Preferably, the controller is a 51 series single-chip controller; the development is simple and the cost is low.
作为优选，所述的无线网络为GPRS通信网络；信号强度高。Preferably, the wireless network is a GPRS communication network; the signal strength is high.
作为优选，电磁继电器接入测试电路中的接触触点为银接触触点；采用银接触触点能够降低电弧出现几率，提高导电性能。Preferably, the contact contacts of the electromagnetic relay connected to the test circuit are silver contact contacts; the use of silver contact contacts can reduce the probability of arc occurrence and improve the conductivity.
作为优选，所述的无线接收器为GSM短信接收器；采用GSM短信接收器作为手机终端与控制器之间的数据中转，提高指令数据中转的可靠性。Preferably, the wireless receiver is a GSM short message receiver; the GSM short message receiver is used as the data transfer between the mobile phone terminal and the controller to improve the reliability of command data transfer.
本发明的有益效果在于，通过远程控制方式，实现兆欧表接入测试电路中，有效避免人员触电伤害。此外，本发明设计原理可靠，结构简单，具有非常广泛的应用前景。The beneficial effect of the present invention is that, through the remote control mode, the megohmmeter can be connected to the test circuit, and the electric shock injury of personnel can be effectively avoided. In addition, the design principle of the present invention is reliable, the structure is simple, and has very wide application prospects.
由此可见，本发明与现有技术相比，具有突出的实质性特点和显著地进步，其实施的有益效果也是显而易见的。It can be seen that, compared with the prior art, the present invention has outstanding substantive features and remarkable progress, and the beneficial effects of its implementation are also obvious.
附图说明Description of drawings
图1是本发明提供的一种智能控制绝缘电阻测试仪的结构原理图。Fig. 1 is a structural principle diagram of an intelligent control insulation resistance tester provided by the present invention.
其中，1-兆欧表，2-被测设备，3-电压激励装置，4-智能遥控开关，5-远程终端，4.1-控制器，4.2-电磁继电器，4.3-无线接收器，4.4-接触触点。Among them, 1-megger, 2-device under test, 3-voltage excitation device, 4-intelligent remote control switch, 5-remote terminal, 4.1-controller, 4.2-electromagnetic relay, 4.3-wireless receiver, 4.4-contact contacts.
具体实施方式Detailed ways
下面结合附图并通过具体实施例对本发明进行详细阐述，以下实施例是对本发明的解释，而本发明并不局限于以下实施方式。The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The following embodiments are explanations of the present invention, but the present invention is not limited to the following embodiments.
如图1所示，本实施例提供的一种智能控制绝缘电阻测试仪，包括：As shown in Figure 1, an intelligent control insulation resistance tester provided in this embodiment includes:
兆欧表1，所述的兆欧表1电连接有被测设备2，所述的被测设备2电连接有电压激励装置3；A megohmmeter 1, the megohmmeter 1 is electrically connected to a device under test 2, and the device under test 2 is electrically connected to a voltage excitation device 3;
所述的兆欧表1还电连接有智能遥控开关4，所述的智能遥控开关4通过无线网络与远程终端5进行通信。所述的无线网络为GPRS通信网络；信号强度高。所述的智能遥控开关4包括控制器4.1和电磁继电器4.2，所述的控制器4.1为51系列单片机控制器；开发简单，成本低。控制器4.1的输出端连接有电磁继电器4.2，控制器4.1的输入端连接有无线接收器4.3，所述的无线接收器4.3为GSM短信接收器；采用GSM短信接收器作为手机终端与控制器之间的数据中转，提高指令数据中转的可靠性。所述的无线接收器4.3接收来自远程终端的控制指令，电磁继电器4.2的接触触点4.4连接到兆欧表与被测设备间的测试电路中。电磁继电器4.2接入测试电路中的接触触点为银接触触点；采用银接触触点能够降低电弧出现几率，提高导电性能。简单方便实现对兆欧表接入测试电路的远程控制。所述的远程终端为手机终端；方便快捷的向智能遥控开关发送控制指令。The megohmmeter 1 is also electrically connected with an intelligent remote control switch 4, and the intelligent remote control switch 4 communicates with the remote terminal 5 through a wireless network. The wireless network is a GPRS communication network; the signal strength is high. The intelligent remote control switch 4 includes a controller 4.1 and an electromagnetic relay 4.2, and the controller 4.1 is a 51 series single-chip controller; the development is simple and the cost is low. The output end of controller 4.1 is connected with electromagnetic relay 4.2, and the input end of controller 4.1 is connected with wireless receiver 4.3, and described wireless receiver 4.3 is GSM text message receiver; The transfer of data between them improves the reliability of command data transfer. The wireless receiver 4.3 receives control instructions from the remote terminal, and the contact point 4.4 of the electromagnetic relay 4.2 is connected to the test circuit between the megohmmeter and the device under test. The contact contacts in the electromagnetic relay 4.2 connected to the test circuit are silver contact contacts; the use of silver contact contacts can reduce the probability of arc occurrence and improve the conductivity. It is simple and convenient to realize the remote control of the megohmmeter access test circuit. The remote terminal is a mobile phone terminal; it can send control instructions to the intelligent remote control switch conveniently and quickly.
以上公开的仅为本发明的优选实施方式，但本发明并非局限于此，任何本领域的技术人员能思之的没有创造性的变化，以及在不脱离本发明原理前提下所作的若干改进和润饰，都应落在本发明的保护范围内。The above disclosure is only a preferred embodiment of the present invention, but the present invention is not limited thereto, any non-creative changes that those skilled in the art can think of, and some improvements and modifications made without departing from the principle of the present invention , should fall within the protection scope of the present invention.
Claims (7)
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Cited By (1)
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| CN111273147A (en) * | 2020-03-17 | 2020-06-12 | 神华国能集团有限公司 | Insulation measuring device |
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2019
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| RO120676B1 (en) * | 2004-02-18 | 2006-05-30 | Artego S.A. | Process and installation for checking the electrical insulation resistance of the electroinsulating rubber plates |
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Application publication date: 20191227 |