CN204694754U - Residual current fault detection gauge - Google Patents
Residual current fault detection gauge Download PDFInfo
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- CN204694754U CN204694754U CN201520173163.XU CN201520173163U CN204694754U CN 204694754 U CN204694754 U CN 204694754U CN 201520173163 U CN201520173163 U CN 201520173163U CN 204694754 U CN204694754 U CN 204694754U
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Abstract
A kind of residual current fault detection gauge, comprising: crust of the device, described crust of the device inside is provided with feed circuit system etc.; Detection components; Data handling component.The utility model provides one can monitor, stores, analyzes and transmit supply line's residual current failure message, is conducive to fast finding residual current trouble spot and to the residual current trouble-monitoring instrument carrying out intelligent management by electric line.By said structure design can be the segment analysis culprit such as electric power, fire-fighting, security control, provide very valuable original information data, it is one of effective means realizing electricity consumption scientific management.
Description
Technical field
The utility model relates to fault repair apparatus technical field, more particularly, and particularly a kind of residual current fault detection gauge.
Background technology
Residual current fault detection gauge is monitoring, the specialized equipment storing and analyze supply line residual current fault, and it be management of power use personnel fast finding residual current trouble spot, to fix a breakdown and safe power supply provides convenience in time; As everyone knows; the uncertainty of the very large and electricity consumption situation of the environmental difference residing for supply line; this makes the randomness of supply line's generation fault residual current very large; for ensureing Electrical Safety; people install residual current circuit breaker usually in supply line; so that the disconnection electric line automatically when there is electric leakage, to reach the safety of protection consumer, the person and property.But clamp on amperemeter of the prior art, can only detect the value of current residual electric current, can not realize the function of unmanned and Quick Catch residual current; Residual current circuit breaker then can only monitor the residual current situation with record trunk road, does not have effect to quick position generation residual current trouble spot; And the residual current detecting instrument table of other types, then need to be worked by mains-supplied, and need to be installed to onsite application, convenience and dirigibility all can not meet the demands.And can not for analyzing the source book that power supply trouble provides necessary; Therefore, how fast finding remains residual current trouble spot, improves security and the high-level efficiency of mains supply, realizes the intelligent management of the safety of power supply, and this has become one of problem of people's concern.
Utility model content
In view of this, the utility model provides a kind of residual current fault detection gauge, to solve the problem.
For achieving the above object, the utility model provides following technical scheme:
A kind of residual current fault detection gauge, comprising:
Crust of the device, described crust of the device inside is provided with feed circuit system, described feed circuit system comprise battery power supply circuit, dot lcd display circuit, clock circuit, memory circuitry, usb data communication circuit and with each independently circuit be connected the battery for powering;
Detection components, described detection components comprises split core type current transformer and current detector, described current detector is connected with detector probe, described split core type current transformer includes the probe claw of two structural symmetry, two described probe claws are arranged on described crust of the device rotationally, are provided with current transformer in described probe claw;
Data handling component, described data handling component comprises microcontroller, the clock circuit be connected with described microcontroller and is connected with described microcontroller the reservoir stored for data, described current transformer and current detector are all connected with described microcontroller signal, described microcontroller with each independently circuit connection signal be connected, described microcontroller, described clock circuit and described reservoir all electric to be electrically connected with described.
Preferably, the utility model also includes liquid crystal display, and described liquid crystal display is embedded to be arranged on described crust of the device, and described liquid crystal display is connected with described microcontroller signal, and described liquid crystal display is connected with described cell electrical.
Preferably, the utility model also includes small signals amplification circuit, and described current transformer and described current detector are connected with described microcontroller signal by described small signals amplification circuit.
Preferably, the utility model also includes the coupling assembling for being connected with external smart machine, and described coupling assembling includes usb communication interface module, and described usb communication interface module is connected with described microcontroller signal.
The purpose of this utility model is to provide one can monitor, store, analyze and transmit supply line's residual current failure message, is conducive to fast finding residual current trouble spot and to the residual current trouble-monitoring instrument carrying out intelligent management by electric line.
The purpose of this utility model adopts such technical scheme to realize: it comprises battery power supply circuit, small signals amplification circuit, super low-power consumption microcontroller, dot lcd display circuit, clock circuit, memory circuitry, usb data communication circuit.It is characterized in that the input end of split core type current transformer output terminal and described small signals amplification circuit is connected, and be connected with microcontroller respectively with described dot matrix lcd circuit, clock circuit, memory circuitry and usb data communication circuit;
The utility model adopts the dry cell power supply of 800mAh, be connected by the input end of split core type current transformer output terminal and small signals amplification circuit, and be connected to microcontroller, by the size of microcontroller on-line continuous cycle detection residual current, and continued more than 600 hours to monitor residual current information, store, add up, the intelligent processing method such as display, for management of power use department fast finding residual current trouble spot, get rid of the original information data that residual current fault provides exceptional values.Also be the segment analysis culprit such as electric power, fire-fighting, security control, provide very valuable original information data, it is one of effective means realizing electricity consumption scientific management.
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 circuit block diagram of the present utility model;
Fig. 2 is one of mutual inductor of the present utility model and amplification treatment circuit schematic diagram;
Fig. 3 is mutual inductor of the present utility model and amplification treatment circuit schematic diagram two;
Fig. 4 is voltage collection circuit schematic diagram of the present utility model;
Fig. 5 is power circuit principle figure of the present utility model;
Fig. 6 is memory circuitry schematic diagram of the present utility model;
Fig. 7 is real time clock circuit schematic diagram of the present utility model;
Fig. 8 is usb communication device circuit schematic diagram of the present utility model;
Fig. 9 is function selector circuit theory diagrams of the present utility model;
Figure 10 is key circuit schematic diagram of the present utility model;
Figure 11 is display circuit schematic diagram of the present utility model;
Figure 12 is programming controller circuit theory diagrams of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
With reference to Fig. 1: it comprises described power circuit 4, amplification processor 2, voltage sampling circuit 3, programming controller 12, LCD circuit 10, key circuit 9, real time clock circuit 6, memory circuitry 5 are connected with usb communication circuit 7, input end and mutual inductor 1 output terminal of described amplification processor 2 are connected, and described amplification processor 2, display 10, real time clock circuit 6, storer 5 and usb communication device 7 are connected with programming controller 12 respectively, the sensor current signal that fault residual current produces can be transferred to amplification processor 2 by described mutual inductor 1, this signal is transfused to programming controller 12 after amplification processor 2 amplifies, the Signal transmissions that real time clock circuit 6 and amplification processor 2 input can store to storer 5 by programming controller 12, described programming controller 12 can extract required signal from storer 5, signal can be delivered to display 10 by described programming controller 12, described display 10 can demonstrate electrical leakage and the time signal of fault residual current, in described storer 5 stored in fault-current signal and time signal can be sent to usb communication device 7 through programming controller 12, fault-current signal and time signal can outwards send by this usb communication receiving trap 7, the signal imported in the external world can also be received simultaneously, and the signal received is flowed to programming controller 12, the input end of described programming controller 12 is also connected with functional select switch 8, the output terminal of described programming controller 12 is connected with voltage collection circuit 3, operating function selector switch 8 can realize display to signal, receive and send, record and the function such as statistics, and the control program of described programming controller 12 adopts known C language to work out.
In Fig. 2,3, mutual inductor described in the utility model and amplification treatment circuit 2 comprise operational amplifier IC5A and IC5B and peripheral cell thereof, they are connected in known manner, described operational amplifier IC5 adopts MCP602 model, its output terminal connects with the pin 7 of IC1, and described mutual inductor can directly be buied by market.
In the diagram, voltage acquisition described in the utility model adopts serial resistor dividing potential drop mode step-down sample circuit to be connected to IC1.
In Figure 5, power circuit 4 described in the utility model mainly contains integrated circuit (IC) 4 and peripheral cell is formed by connecting in known manner, described integrated circuit (IC) 4 adopts commercially available TLV61224 power module, and it can provide working power to each circuit unit, connects with the pin 5 of IC1.
In figure 6, storer 5 described in the utility model comprises ic chip 2 and peripheral cell is connected in known manner, the model that ic chip 2 adopts is 24AA256I/SN integrated package, the pin 5 of described ic chip 2 connects with the pin 37 of IC1, pin 6 connects with the pin 38 of IC1, and pin 7 connects with the pin 43 of IC1.
In the figure 7, real time clock circuit 6 described in the utility model is made up of peripheral cell resistance, diode, electric capacity, battery, connects with the pin 44,45 of IC1.
In fig. 8, usb communication device 7 described in the utility model is formed by connecting in known manner by integrated circuit (IC) 3 and its peripheral cell, the model that described IC3 adopts is the communication module of P2303HX, and its pin 1 connects with the pin 41 of IC1, and its pin 5 connects with the pin 42 of IC1.
In fig .9, function selector 8 described in the utility model adopts commercially available key-press module KEY-4.5, its pin 11 connects with the pin 24 of IC1, pin 12 connects with the pin 25 of IC1, and pin 13 connects with the pin 26 of IC1, and pin 14 connects with the pin 27 of IC1, pin 15 connects with the pin 28 of IC1, pin 16 connects with the pin 29 of IC1, and pin 17 connects with the pin 30 of IC1, and pin 18 connects with the pin 31 of IC8.
In Fig. 10, key circuit described in the utility model, by retrieval, setting, confirms that three buttons are formed, and realizes the setting to facility information, inquiry and other operations.
In fig. 11, display 10 described in the utility model connects and composes in known manner primarily of display module LCD and peripheral cell, institute LCD selects the display module of commercially available JLX12864_1016 model, LCDIA pin 13,14 and LCDIB connect, the pin 1 of LCDIA connects with the pin 32 of IC1, and pin 2 connects with the pin 35 of IC1, and pin 3 connects with the pin 34 of IC1, pin 4 connects with the pin 33 of IC1, and pin 5 connects with the pin 36 of IC1.
In fig. 12, programming controller 12 described in the utility model is formed by connecting primarily of ic chip 1 and peripheral cell thereof, described ic chip 1 adopts the single-chip microcomputer of commercially available STM8L152C6T6 model, its pin 7 connects with the output terminal of amplification processor 2, its pin 6 connects with voltage collection circuit 3, its pin 5 connects with working power 4, its pin 37, 38, 43 connect with storer 5, its pin 44, 45 connect with clock circuit 6, its pin 8, 41, 42 connect with usb communication device 7, its pin 24, 25, 26, 27, 28, 29, 30 and 31 connect with function selector 8, its pin 1, 2, 3, 4 connect with key circuit 9, its pin 16, 32, 33, 34, 35, 36 connect with display 10.
When the utility model uses, mutual inductor 1 is arranged in supply line, this mutual inductor 1 can by fault residual current Signal transmissions that supply line receives to amplification processor 2, then by amplification processor 2, signal is flowed to programming controller 12, the requirement that programming controller 12 can run according to program processes signal, thus realizes the function such as display, transmission, reception, record, statistics of signal; Usb communication device 7 described in the utility model can realize reception and the transmission of signal, and it can adopt wired mode transmission of signal.What is particularly worth mentioning is that the utility model only needs 2 joint No. 7 batteries just can continuous firing more than 25 days, the residual electricity flow valuve that this circuit of continuous collection occurred in upper 25 day, by Chinese liquid crystal inquiry screen can to inquire about in monitoring time section there is the temporal information of 20 maximum residual current values and generation.Also by supporting computer terminal residual current analysis software, curve plotting understands the residual current situation of change in this period, thus can be quick, accurately residual current failure condition is presented to dispatching center and line attendant, get rid of residual current fault to managerial personnel and effective foundation is provided, for fixing a breakdown in time, ensure that Electrical Safety provides advantage, fault residual current information can store by programming controller 12 of the present utility model, record, statistics, display and the intelligent processing method sent, also be electric power, fire-fighting conforms with the segment analysis culprit such as security control, provide very valuable original information data.
Above-mentioned explanation, enables professional and technical personnel in the field realize or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (4)
1. a residual current fault detection gauge, is characterized in that, comprising:
Crust of the device, described crust of the device inside is provided with feed circuit system, described feed circuit system comprise battery power supply circuit, dot lcd display circuit, clock circuit, memory circuitry, usb data communication circuit and with each independently circuit be connected the battery for powering;
Detection components, described detection components comprises split core type current transformer and current detector, described current detector is connected with detector probe, described split core type current transformer includes the probe claw of two structural symmetry, two described probe claws are arranged on described crust of the device rotationally, are provided with current transformer in described probe claw;
Data handling component, described data handling component comprises microcontroller, the clock circuit be connected with described microcontroller and is connected with described microcontroller the reservoir stored for data, described current transformer and current detector are all connected with described microcontroller signal, described microcontroller with each independently circuit connection signal be connected, described microcontroller, described clock circuit and described reservoir are all connected with described cell electrical.
2. residual current fault detection gauge according to claim 1, is characterized in that,
Also include liquid crystal display, described liquid crystal display is embedded to be arranged on described crust of the device, and described liquid crystal display is connected with described microcontroller signal, and described liquid crystal display is connected with described cell electrical.
3. residual current fault detection gauge according to claim 1, is characterized in that,
Also include small signals amplification circuit, described current transformer and described current detector are connected with described microcontroller signal by described small signals amplification circuit.
4. residual current fault detection gauge according to claim 1, is characterized in that,
Also include the coupling assembling for being connected with external smart machine, described coupling assembling includes usb communication interface module, and described usb communication interface module is connected with described microcontroller signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520173163.XU CN204694754U (en) | 2015-03-26 | 2015-03-26 | Residual current fault detection gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520173163.XU CN204694754U (en) | 2015-03-26 | 2015-03-26 | Residual current fault detection gauge |
Publications (1)
| Publication Number | Publication Date |
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| CN204694754U true CN204694754U (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520173163.XU Expired - Fee Related CN204694754U (en) | 2015-03-26 | 2015-03-26 | Residual current fault detection gauge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104714077A (en) * | 2015-03-26 | 2015-06-17 | 杭州阶梯科技有限公司 | Data storage method for current fault detection gage and residual current fault detection gage |
-
2015
- 2015-03-26 CN CN201520173163.XU patent/CN204694754U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104714077A (en) * | 2015-03-26 | 2015-06-17 | 杭州阶梯科技有限公司 | Data storage method for current fault detection gage and residual current fault detection gage |
| CN104714077B (en) * | 2015-03-26 | 2018-02-06 | 杭州阶梯科技有限公司 | Current failure detects table data storage method and residual current fault detection gauge |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20200326 |
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| CF01 | Termination of patent right due to non-payment of annual fee |