CN204740311U - Earth -leakage protector tester - Google Patents
Earth -leakage protector tester Download PDFInfo
- Publication number
- CN204740311U CN204740311U CN201520464790.9U CN201520464790U CN204740311U CN 204740311 U CN204740311 U CN 204740311U CN 201520464790 U CN201520464790 U CN 201520464790U CN 204740311 U CN204740311 U CN 204740311U
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- China
- Prior art keywords
- contact
- leakage protector
- tester
- electrically connected
- chip microcomputer
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Abstract
The utility model discloses an earth -leakage protector tester, including contact, host computer, measurement socket and LCD screen, it establishes on the host computer to measure socket and LCD screen, contact one end is provided with the private cable, the contact passes through private cable and testing jack electric connection, the contact is equipped with two, the LCD screen below is provided with pilot lamp, switch, reset button and shifts the button, the pilot lamp is equipped with more than one, be provided with singlechip, contact detection circuitry and electric current detection circuitry in the host computer, the singlechip is loop connection through analog signal and current detection circuit, contact detection circuitry and switch respectively with singlechip electric connection, this earth -leakage protector tester simple structure, it is convenient to measure, measurement accuracy is high, especially adapted carrying.
Description
Technical field
The utility model relates to a kind of physical measurement techniques field, particularly relates to a kind of tester for leakage protector.
Background technology
Tester for leakage protector is mainly used in residual operating current, the electric leakage non-operating current of test earth leakage protective device and leaks electricity actuation time.Single-phase, three-phase electric leakage protector all can be tested.Earth leakage protective device (RCD) is one of effective means preventing shock hazard, is also to prevent from leaking electricity causing the technical measures of electrical fire and electrical equipment damage accident.Be applicable to exchange (power frequency) low voltage electric network leakage current effective value and load current effective value measurement, there is leakage current protector Tripping data automatic Memory function; The overload action current automatic Memory function of breaker of plastic casing, electrothermal relay, motor protector.Heavy caliber designs, to ensure the leakage current test of phase three-wire three, three-phase and four-line current supply circuit.Wide temperature design, can be suitable for most area and use.Be widely used in the low-voltage network of industry and the low-voltage networks of each enterprises and institutions such as oil field, chemical industry, communication, building, weaving, railway, metallurgy, machinery, electric power.
Numeral leakage current detector is a kind of leakage tests instrument improved on digital leakage current detector basis, by the design of current gear stepping, expands testing range, makes test result more accurate.This instrument can be used to measure all kinds of earth leakage protective device, low-voltage leakage switch operating voltage, stablize residual operating current value, over the ground pulse leakage action current value, electric leakage actuation time over the ground; Can also detection line leakage current and the leakage current total on working position of consumer.Whole electric parameters of all kinds of earth leakage protective device and leakage switch all can work online middle test, also can depart from working environment test, can for each supply station, distribution place, experiment test, installation and maintenance etc.Micro computer leaks guarantor's tester and realizes full intellectualized automatic control, and action current regulates and measures between action electricity and regulated by programmed control completely and automatically switch.Instrument configuration three terminal p-wire, only needs the Three-hole socket with PE line during test, namely automatically can measure action current and the actuation time of higher-level leakage protector.Under instrument can also be used for non-presence, the acting characteristic of earth leakage protective device is tested.Current existing tester for leakage protector complex structure, measuring process is many, and measure inconvenient, volume is heavy, carries inconvenience.
Utility model content
The technical problems to be solved in the utility model is that a kind of structure is simple, and it is convenient to measure, and measuring accuracy is high, is applicable to very much the tester for leakage protector carried.
For solving the problem, the utility model adopts following technical scheme:
A kind of tester for leakage protector, comprise contact, main frame, measure socket and liquid crystal display, described measurement socket and liquid crystal display are located on main frame, described contact one end is provided with private cable, described contact is electrically connected by private cable and testing jack, contact is convenient to be measured earth leakage protective device, described contact is provided with two, liquid crystal display can display measurement data, pilot lamp is provided with below described liquid crystal display, power switch, reset button and gear shift knobs, described pilot lamp is provided with more than one, single-chip microcomputer can manipulate measurement data fast, single-chip microcomputer is provided with in described main frame, contact testing circuit and current detection circuit, contact testing circuit can detection contact collect data, current detection circuit can calibrate the signal of single-chip microcomputer, make measuring accuracy high, described single-chip microcomputer is that loop is connected by simulating signal and current detection circuit, described contact testing circuit and power switch are electrically connected with single-chip microcomputer respectively.
As preferably, described single-chip microcomputer and liquid crystal display are electrically connected, and facilitate liquid crystal display display measurement data.
As preferably, described gear shift knobs and current detection circuit are electrically connected, the range that gear shift knobs can regulate test different.
As preferably, described measurement socket and contact testing circuit are electrically connected, and conveniently collect the data measuring socket.
It is simple that this technical scheme has structure, and it is convenient to measure, and measuring accuracy is high, is applicable to very much the feature of carrying.
The beneficial effects of the utility model are: the contact of setting is convenient to be measured earth leakage protective device; liquid crystal display can display measurement data; single-chip microcomputer can manipulate measurement data fast; contact testing circuit can detection contact collect data; current detection circuit can calibrate the signal of single-chip microcomputer; make measuring accuracy high, measurement socket and contact testing circuit are electrically connected, convenient data of collecting measurement socket.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural drawing of a kind of tester for leakage protector of the present utility model.
Fig. 2 is the main frame internal frame diagram of a kind of tester for leakage protector of the present utility model.
Embodiment
Consult shown in Fig. 1 and Fig. 2, a kind of tester for leakage protector, comprise contact 1, main frame 2, measure socket 3 and liquid crystal display 4, described measurement socket 3 and liquid crystal display 4 are located on main frame 2, described contact 1 one end is provided with private cable 5, described contact 1 is electrically connected by private cable 5 and testing jack 3, described contact 1 is provided with two, in use, measuring head 1 is measured on socket 3 with being connected to by private cable 5, press power switch 7 can measure, pilot lamp 6 is provided with below described liquid crystal display 4, power switch 7, reset button 8 and gear shift knobs 9, described pilot lamp 6 is provided with more than one, single-chip microcomputer is provided with in described main frame 2, contact testing circuit and current detection circuit, described single-chip microcomputer is that loop is connected by simulating signal and current detection circuit, described contact testing circuit and power switch 7 are electrically connected with single-chip microcomputer respectively.
Described single-chip microcomputer and liquid crystal display 4 are electrically connected, and in use, facilitate liquid crystal display 4 display measurement data.
Described gear shift knobs 9 is electrically connected with current detection circuit, in use, and the range that gear shift knobs 9 can regulate test different.
Described measurement socket 3 is electrically connected with contact testing circuit, in use, and convenient data of collecting measurement socket 3.
In use, measured on socket 3 with being connected to by private cable 5 measuring head 1, pressing power switch 7 can measure.
The beneficial effects of the utility model are: the contact of setting is convenient to be measured earth leakage protective device; liquid crystal display can display measurement data; single-chip microcomputer can manipulate measurement data fast; contact testing circuit can detection contact collect data; current detection circuit can calibrate the signal of single-chip microcomputer; make measuring accuracy high, measurement socket and contact testing circuit are electrically connected, convenient data of collecting measurement socket.
The above; be only embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; any change of expecting without creative work or replacement; all should be encompassed within protection domain of the present utility model; therefore, the protection domain that protection domain of the present utility model should limit with claims is as the criterion.
Claims (4)
1. a tester for leakage protector, it is characterized in that: comprise contact, main frame, measure socket and liquid crystal display, described measurement socket and liquid crystal display are located on main frame, described contact one end is provided with private cable, described contact is electrically connected by private cable and testing jack, described contact is provided with two, pilot lamp is provided with below described liquid crystal display, power switch, reset button and gear shift knobs, described pilot lamp is provided with more than one, single-chip microcomputer is provided with in described main frame, contact testing circuit and current detection circuit, described single-chip microcomputer is that loop is connected by simulating signal and current detection circuit, described contact testing circuit and power switch are electrically connected with single-chip microcomputer respectively.
2. tester for leakage protector according to claim 1, is characterized in that: described single-chip microcomputer and liquid crystal display are electrically connected.
3. tester for leakage protector according to claim 2, is characterized in that: described gear shift knobs and current detection circuit are electrically connected.
4. tester for leakage protector according to claim 3, is characterized in that: described measurement socket and contact testing circuit are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520464790.9U CN204740311U (en) | 2015-07-01 | 2015-07-01 | Earth -leakage protector tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520464790.9U CN204740311U (en) | 2015-07-01 | 2015-07-01 | Earth -leakage protector tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204740311U true CN204740311U (en) | 2015-11-04 |
Family
ID=54422042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520464790.9U Expired - Fee Related CN204740311U (en) | 2015-07-01 | 2015-07-01 | Earth -leakage protector tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204740311U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548757A (en) * | 2015-12-15 | 2016-05-04 | 东北电力大学 | Tester for leakage protector |
| CN105717401A (en) * | 2016-02-22 | 2016-06-29 | 深圳市凯卓邦科技有限公司 | Automatic test machine of electrical leakage protector |
| CN109142958A (en) * | 2018-10-25 | 2019-01-04 | 广东电网有限责任公司 | A kind of electrical leakage detecting method |
| CN109212362A (en) * | 2018-10-26 | 2019-01-15 | 国网四川省电力公司广元供电公司 | A kind of earth leakage protective device test device |
-
2015
- 2015-07-01 CN CN201520464790.9U patent/CN204740311U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548757A (en) * | 2015-12-15 | 2016-05-04 | 东北电力大学 | Tester for leakage protector |
| CN105717401A (en) * | 2016-02-22 | 2016-06-29 | 深圳市凯卓邦科技有限公司 | Automatic test machine of electrical leakage protector |
| CN109142958A (en) * | 2018-10-25 | 2019-01-04 | 广东电网有限责任公司 | A kind of electrical leakage detecting method |
| CN109212362A (en) * | 2018-10-26 | 2019-01-15 | 国网四川省电力公司广元供电公司 | A kind of earth leakage protective device test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wu Yuantuan Inventor before: Song Guomin |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160817 Address after: 528414 Guangdong Dongsheng Town Zhongshan Zhaolong road Xinguo Street No. 74 Patentee after: Zhongshan endurance Electronic Equipment Co., Ltd. Address before: 311816 Zhejiang city of Shaoxing province Zhuji city streets after the Song Tao Zhu Song Village No. 66 Patentee before: Song Guomin |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151104 Termination date: 20170701 |