CN201788220U - Annular fastening-type current safety detector - Google Patents
Annular fastening-type current safety detector Download PDFInfo
- Publication number
- CN201788220U CN201788220U CN2010202111449U CN201020211144U CN201788220U CN 201788220 U CN201788220 U CN 201788220U CN 2010202111449 U CN2010202111449 U CN 2010202111449U CN 201020211144 U CN201020211144 U CN 201020211144U CN 201788220 U CN201788220 U CN 201788220U
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- current
- safety detector
- electric current
- annular
- snap button
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Abstract
The utility model relates to an annular fastening-type current safety detector which comprises a current detection module, a logical processing module and an alarm module that are connected in sequence. The core element of the annular fastening-type current safety detector is a current sensor, in which cross-core current is measured by utilizing the electromagnetic induction principle and is reflected by a voltage value; the voltage value is compared with a threshold value, a logical circuit is utilized to light up light-emitting diodes with different quantities and different colors so as to reflect the passing current at the moment, and alarm is sent out by signals of flushing, buzzing and the like when the current exceeds the standard seriously. The annular fastening-type current safety detector is fixed on a cable to be measured in a fastening manner, can immediately acquire the information relevant to the current, can effectively detect the safety of current of an indoor line, and can be widely applied to different electricity utilization occasions such as families, shopping malls, schools, factories and the like.
Description
Technical field
The utility model relates to the current detecting field, particularly relates to a kind of current detector.
Background technology
Along with development of science and technology, the progress of society, electric system become become increasingly complex huge, the power utilization environment of distribution end is also increasingly sophisticated: commercial, family expenses circuit capacity constantly increases, be easy to cause circuit overload because load distribution is improper, thereby local pyrexia causes accidents such as fire, causes economic loss.Surpass the wiring board rated capacity and wiring board is burnt as the electrical equipment capacity on the wiring board; The electrical equipment internal short-circuit causes cable overheated on fire etc.This is because the restriction of equipment itself causes on the one hand, then is because the user can't learn the size of current in the circuit intuitively on the other hand, and is often late when breaking down.Therefore can effectively avoid the generation of accident for the real-time monitoring of electric current.Existing intelligent monitoring unit is owing to cost an arm and a leg, and one is installed in final user higher level, can't reflect the electric parameter of circuit in the final user.And common miniature circuit breaker is only protected the house lead in total current, can't effectively differentiate the fault at indivedual positions.
Therefore, need that design is a kind of carries out current detector that security detects to overcome the defective that exists in the above-mentioned prior art to the electric current of indoor circuit simply and effectively.
The utility model content
The purpose of this utility model is to provide a kind of annular snap button electric current safety detector, and it can detect the load condition of indoor circuit, in time finds the overload position and sends warning, stops potential safety hazard.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind of annular snap button electric current safety detector, it comprises current detection module, logic processing module and alarm module, and described current detection module, logic processing module and alarm module connect successively.
Described current detection module comprises current sensor, current sensor shell and transmission circuit.
Described current sensor is a punching induction type structure, and described current sensor has a secondary.
Described current sensor shell comprises annular section and outshot, and described current detection module is placed in the described annular section, and the transmission circuit of described logic processing module, alarm module and current detection module is placed in the described outshot.
Described annular section is provided with the rotating shaft that is used for the open and close annular section.
The metal that the open and close place of described annular section is provided with closed described current sensor secondary connects.
Described alarm module comprises some light emitting diodes and hummer.
Described light emitting diode is four, and it is green, green, yellow and red that its color is respectively.
The beneficial effects of the utility model: the core parts of a kind of annular snap button of the utility model electric current safety detector are current sensor, utilize electromagnetic induction principle to measure the punching electric current, reaction is a magnitude of voltage, with this magnitude of voltage and threshold ratio, utilize logical circuit to light varying number, the light emitting diode of different colours, thus the size of current that reaction is passed through at this moment gives the alarm with signals such as flash of light, buzzings when the electric current severe overweight.A kind of annular snap button of the utility model electric current safety detector is fixed on the cable under test with the buckle form, can obtain the relevant information of size of current immediately, it can be effectively carries out security to the electric current of indoor circuit and detects, and can be widely used in different electricity consumption occasions such as family, market, school, factory.
Description of drawings
Fig. 1 is the general structure block diagram of a kind of annular snap button of the utility model electric current safety detector; Fig. 2 is the circuit diagram of the current detection module of a kind of annular snap button of the utility model electric current safety detector; Fig. 3 is the current detection module shell synoptic diagram of a kind of annular snap button of the utility model electric current safety detector; Fig. 4 is the alarm module circuit diagram of a kind of annular snap button of the utility model electric current safety detector.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
The utility model annular snap button electric current safety detector comprises current detection module, logic processing module, alarm module.
Current detection module is clipped in detection line electric current on the electric wire to be detected, its detected current signal is sent to logic processing module, and logic processing module is controlled described alarm module according to detected size of current and is made actions such as demonstration, prompting, warning.
Current detection module comprises current sensor, current sensor shell and transmission circuit.Current sensor is a punching induction type structure, and former limit is a circuit to be measured, and secondary induces voltage signal, obtains current information on the one hand, originates as the power supply of total system on the one hand.The current sensor shell is a plastics formula structure, and annular can be opened, and the inner current sensor of placing is clipped in closed loop inductance on the circuit during measurement; The current sensor shell is also placed other all components and parts of the utility model annular snap button electric current safety detector.After the voltage that transmission circuit induces secondary carried out rectification, filtering, the one tunnel directly sent logic processing module to judge size of current, and another road provides the power supply of detecting device through the three-terminal voltage-stabilizing element.
Logic processing module comprises the MCU processor and the peripheral circuit of low-power consumption, AD in the MCU processor strap, on-chip timer, basic I/O.Peripheral circuit comprises clock generating circuit, electrify restoration circuit and isolation circuit.
Alarm module comprises 4 colorful light-emitting diodes and hummer.The color of light emitting diode is arranged in order to green, and is green, and Huang is red, is connected to jointly on the described logic processing module output I/O with described hummer, and low level drives.
As shown in Figure 1, adopt MSP430F1111A as the little process chip in the logical block, after current detection module is delivered to MSP430F1111A with the current signal change, send signal according to size of current to the caution unit, the caution unit lights the different situations of the lamp indication line current of different colours, starts buzzer warning when situation is serious.
As shown in Figure 2, circuit to be measured passes current sensor annular center, the secondary of current sensor induces and changes consistent voltage signal, this signal is an AC signal, can not directly handle for single-chip microcomputer, therefore it is handled, at first become dc pulse signal through single diode half-wave rectification, eliminate pulsation by one-level RC filtering (integrating circuit) again, voltage signal is divided into two-way since then, and one the tunnel directly sends into single-chip microcomputer as the foundation of judging size of current, another road after 7805 voltage stabilizings as the supply voltage of total system, Xiao Jite diode among the figure further vises voltage, prevents fluctuation.
As shown in Figure 3, the current sensor shell is an annular plastics shell 1, and annular plastics shell 1 comprises annular section and source part 2.Annular section is placed current sensor, and outshot 2 is placed all the other components and parts of safety detector.Be provided with rotating shaft 3 in the middle of the annular section, can open annular section and circuit to be measured is put into the safety detector center from big opening by rotating shaft 3, annular section open closed place is provided with metal and connects 4, and metal connects 4 and is used for electric current is passed device secondary closure, thereby can detect.
As shown in Figure 4, alarm module is made up of four light emitting diode and hummers that are total to anode, and it is green that the color of four diodes is respectively in order, green, Huang, red, together be connected to the I/O delivery outlet of single-chip microcomputer with hummer, light light emitting diode during output low level, the hummer sounding.
The core parts of a kind of annular snap button of the utility model electric current safety detector are current sensor, utilize electromagnetic induction principle to measure the punching electric current, reaction is a magnitude of voltage, with this magnitude of voltage and threshold ratio, utilize logical circuit to light varying number, the light emitting diode of different colours, thus the size of current that reaction is passed through at this moment gives the alarm with signals such as flash of light, buzzings when the electric current severe overweight.A kind of annular snap button of the utility model electric current safety detector is fixed on the cable under test with the buckle form, can obtain the relevant information of size of current immediately, it can be effectively carries out security to the electric current of indoor circuit and detects, and can be widely used in different electricity consumption occasions such as family, market, school, factory.
Claims (8)
1. annular snap button electric current safety detector, it is characterized in that: it comprises current detection module, logic processing module and alarm module, described current detection module, logic processing module and alarm module connect successively.
2. annular snap button electric current safety detector according to claim 1 is characterized in that described current detection module comprises current sensor, current sensor shell and transmission circuit.
3. as annular snap button electric current safety detector as described in the claim 2, it is characterized in that described current sensor is a punching induction type structure, described current sensor has a secondary.
4. as annular snap button electric current safety detector as described in the claim 3, it is characterized in that, described current sensor shell comprises annular section and outshot, described current detection module is placed in the described annular section, and the transmission circuit of described logic processing module, alarm module and current detection module is placed in the described outshot.
5. as annular snap button electric current safety detector as described in the claim 4, it is characterized in that described annular section is provided with the rotating shaft that is used for the open and close annular section.
6. as annular snap button electric current safety detector as described in the claim 5, it is characterized in that the metal that the open and close place of described annular section is provided with closed described current sensor secondary connects.
7. as annular snap button electric current safety detector as described in the claim 6, it is characterized in that described alarm module comprises some light emitting diodes and hummer.
8. as annular snap button electric current safety detector as described in the claim 7, it is characterized in that described light emitting diode is four, it is green, green, yellow and red that its color is respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202111449U CN201788220U (en) | 2010-06-01 | 2010-06-01 | Annular fastening-type current safety detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202111449U CN201788220U (en) | 2010-06-01 | 2010-06-01 | Annular fastening-type current safety detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201788220U true CN201788220U (en) | 2011-04-06 |
Family
ID=43820179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202111449U Expired - Fee Related CN201788220U (en) | 2010-06-01 | 2010-06-01 | Annular fastening-type current safety detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201788220U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203872A (en) * | 2015-09-10 | 2015-12-30 | 国网天津市电力公司 | Substation terminal box heater monitoring method |
| CN108594002A (en) * | 2018-06-19 | 2018-09-28 | 湖南银河电气有限公司 | Current sensor |
| CN109192598A (en) * | 2018-09-26 | 2019-01-11 | 河南长征电气有限公司 | A kind of high-pressure vacuum breaker having warning function |
| CN109813980A (en) * | 2018-12-28 | 2019-05-28 | 上海智能制造系统创新中心有限公司 | A kind of equipment bracelet |
| CN112881943A (en) * | 2021-03-01 | 2021-06-01 | 中国电力科学研究院有限公司 | Insulator leakage current measuring device based on tunnel magnetic resistance chip |
-
2010
- 2010-06-01 CN CN2010202111449U patent/CN201788220U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203872A (en) * | 2015-09-10 | 2015-12-30 | 国网天津市电力公司 | Substation terminal box heater monitoring method |
| CN108594002A (en) * | 2018-06-19 | 2018-09-28 | 湖南银河电气有限公司 | Current sensor |
| CN109192598A (en) * | 2018-09-26 | 2019-01-11 | 河南长征电气有限公司 | A kind of high-pressure vacuum breaker having warning function |
| CN109813980A (en) * | 2018-12-28 | 2019-05-28 | 上海智能制造系统创新中心有限公司 | A kind of equipment bracelet |
| CN112881943A (en) * | 2021-03-01 | 2021-06-01 | 中国电力科学研究院有限公司 | Insulator leakage current measuring device based on tunnel magnetic resistance chip |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20120601 |