CN202260375U - Circuit detection protecting device - Google Patents
Circuit detection protecting device Download PDFInfo
- Publication number
- CN202260375U CN202260375U CN2011203930127U CN201120393012U CN202260375U CN 202260375 U CN202260375 U CN 202260375U CN 2011203930127 U CN2011203930127 U CN 2011203930127U CN 201120393012 U CN201120393012 U CN 201120393012U CN 202260375 U CN202260375 U CN 202260375U
- Authority
- CN
- China
- Prior art keywords
- module
- output
- control module
- input
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model discloses a circuit detection protecting device, which is simple in structure, low in cost and safe in utilization. The circuit detection protecting device comprises a voltage sampling module, a current sampling module, a leakage detection module, a control module and an outage protection execution module, wherein the voltage sampling module is connected with the input end of a load circuit in parallel and is used for sampling supply voltage in real time and outputting the supply voltage; the current sampling module is connected to the input end of a power supply circuit in series and is used for monitoring the current of the load circuit in real time and outputting the current; the leakage detection module is connected to the input end of the power supply circuit in parallel and is used for monitoring whether the load circuit has electric leakage or not in real time and outputting an electric leakage signal if the load circuit has electric leakage; the signal input end of the control module is respectively connected with the input ends of the voltage sampling module, the current sampling module and the leakage detection module and is used for outputting a control command according to signals received at the input ends; and the control signal input end of the outage protection execution module is connected with the output end of the control module, and the outage protection execution module is used for connecting/disconnecting the supply current passing through the load circuit according to the control command output by the control module.
Description
Technical field
The utility model relates to electric circuit inspection protection field, relates in particular to a kind of electric circuit inspection protective device.
Background technology
The electrical equipment of one type of problem, particularly electric heater such as electric leakage and electric blanket may appear owing to a variety of causes in electrical equipment in long-term use, if leak electricity, will direct threats to personal safety.Need a kind of simple in structure, protector that cost is low and safe in utilization of utility model, when abnormal conditions appearred in load circuit, the switch of cutting off the electricity supply automatically was with protection power consumption equipment, the person and property safety for this reason.
The utility model content
To the problems referred to above, the utility model provides a kind of simple in structure, electric circuit inspection protective device that cost is low and safe in utilization.
For achieving the above object, the utility model electric circuit inspection protective device comprises:
The voltage sample module is parallel to the input of load circuit, real-time sampling supply power voltage and output;
The current sample module is connected in series in the power supply circuits input, and monitoring stream is through the size of current and the output of said load circuit in real time;
Whether the detection of electrical leakage module is parallel to the input of said power supply circuits, monitor said load circuit in real time and leak electricity, if electric leakage output electric leakage signal;
Control module, its signal input part link to each other with the output of said voltage sample module, said current sample module and said detection of electrical leakage module respectively, export control command according to the signal that input receives; And,
The power-off protection Executive Module, its signal input end links to each other with the output of said control module, according to the flow through supply current of load circuit of the control command on/off of said control module output.
Further, said detection of electrical leakage module comprises: electricity leakage sensor, the output of said electricity leakage sensor links to each other with the input of said control module.
Further, said power-off protection Executive Module comprises triode, relay and is connected on the execution switch in the said power supply circuits; Said relay links to each other with the output of said control module through triode, adhesive or break off said execution switch under the control of said control module.
Further, said electric circuit inspection protective device also comprises an alarm buzzer, and its control command input links to each other with the output of said control module.
Further, said control module is a single-chip microcomputer.
The said electric circuit inspection protective device of the utility model can be real-time the voltage to power supply circuits, the electric current and the electric leakage situation of load circuit monitor; When circuit was in abnormal work state or electric leakage situation, the electric circuit inspection protective device can in time cut off circuit with protection power consumption equipment, the person and property safety.The said electric circuit inspection protective device of the utility model is simple in structure, cost is low and safe in utilization.
Description of drawings
Fig. 1 is the schematic diagram of the said electric circuit inspection protective device of the utility model.
Embodiment
Below in conjunction with Figure of description the utility model is done further description.
As shown in Figure 1, the utility model electric circuit inspection protective device comprises:
Voltage sample module 1 is parallel to the input of load circuit 6, real-time sampling supply power voltage and output;
Whether detection of electrical leakage module 5 is parallel to the input of said power supply circuits, monitor said load circuit 6 in real time and leak electricity, if electric leakage output electric leakage signal;
Power-off protection Executive Module 4, its signal input end links to each other with the output of said control module 3, according to the flow through supply current of load circuit of the control command on/off of said control module 3 outputs.
Wherein, the voltage sample module described in the foregoing description 1 can adopt voltage sampling circuit of the prior art and current sampling circuit with current sample module 2.Said control module 3 is a single-chip microcomputer.
As the utility model embodiment further, the detection of electrical leakage module 3 described in the foregoing description comprises: electricity leakage sensor, the output of said electricity leakage sensor links to each other with the input of said control module 3.
As the utility model embodiment further again, said power-off protection Executive Module 4 comprises triode, relay J and is connected on the execution switch JD in the said power supply circuits; Said relay J links to each other through the output of triode with said control module 3, adhesive or break off said execution switch JD under the control of said control module 3.
As the utility model embodiment further, said electric circuit inspection protective device also comprises an alarm buzzer 7, and its control command input links to each other with the output of said control module 3.
The course of work of the said electric circuit inspection protective device of the utility model: when said voltage sample module transfers to said control module with the voltage signal of its real-time sampling; Said control module compares voltage signal that receives and setting voltage value, and instructs to the supply power voltage of said power-off protection Executive Module with on/off supply load circuit according to pre-set programs output control corresponding.In like manner said current sample module transfers to said control module with the current signal that samples; Said control module compares the current signal that receives with setting current value, and according to pre-set programs output control corresponding instruction to said power-off protection Executive Module with the flow through supply current of load circuit of on/off.When in the said load circuit electric leakage being arranged, said detection of electrical leakage module can be to said control module output electric leakage signal, and said control module is in time exported the outage control command to said power-off protection Executive Module after receiving electric leakage signal.
More than; Be merely the preferred embodiment of the utility model; But the protection range of the utility model is not limited thereto; Any technical staff who is familiar with the present technique field is in the technical scope that the utility model discloses, and the variation that can expect easily or replacement all should be encompassed within the protection range of the utility model.Therefore, the protection range of the utility model should be as the criterion with the protection range that claim was defined.
Claims (5)
1. an electric circuit inspection protective device is characterized in that, comprising:
The voltage sample module is parallel to the input of load circuit, real-time sampling supply power voltage and output;
The current sample module is connected in series in the power supply circuits input, and monitoring stream is through the size of current and the output of said load circuit in real time;
Whether the detection of electrical leakage module is parallel to the input of said power supply circuits, monitor said load circuit in real time and leak electricity, if electric leakage output electric leakage signal;
Control module, its signal input part link to each other with the output of said voltage sample module, said current sample module and said detection of electrical leakage module respectively, export control command according to the signal that input receives; And,
The power-off protection Executive Module, its signal input end links to each other with the output of said control module, according to the flow through supply current of load circuit of the control command on/off of said control module output.
2. electric circuit inspection protective device according to claim 1 is characterized in that, said detection of electrical leakage module comprises: electricity leakage sensor, the output of said electricity leakage sensor links to each other with the input of said control module.
3. electric circuit inspection protective device according to claim 1 is characterized in that, said power-off protection Executive Module comprises triode, relay and is connected on the execution switch in the said power supply circuits; Said relay links to each other with the output of said control module through triode, adhesive or break off said execution switch under the control of said control module.
4. electric circuit inspection protective device according to claim 1 is characterized in that, said electric circuit inspection protective device also comprises an alarm buzzer, and its control command input links to each other with the output of said control module.
5. electric circuit inspection protective device according to claim 1 is characterized in that, said control module is a single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203930127U CN202260375U (en) | 2011-10-14 | 2011-10-14 | Circuit detection protecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203930127U CN202260375U (en) | 2011-10-14 | 2011-10-14 | Circuit detection protecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202260375U true CN202260375U (en) | 2012-05-30 |
Family
ID=46121560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203930127U Expired - Fee Related CN202260375U (en) | 2011-10-14 | 2011-10-14 | Circuit detection protecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202260375U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103683188A (en) * | 2013-10-28 | 2014-03-26 | 倪习鹏 | Safety detection apparatus of solar energy inverter |
| CN108966044A (en) * | 2018-05-28 | 2018-12-07 | 普联技术有限公司 | A kind of power-down protection circuit of wireless router, method and wireless router |
| CN110829601A (en) * | 2019-11-27 | 2020-02-21 | 何雪平 | Electric connector capable of guaranteeing maximum working reliability |
| CN116454826A (en) * | 2023-06-14 | 2023-07-18 | 国电投山西能源服务有限公司 | Emergency protection circuit device for circuit fault |
-
2011
- 2011-10-14 CN CN2011203930127U patent/CN202260375U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103683188A (en) * | 2013-10-28 | 2014-03-26 | 倪习鹏 | Safety detection apparatus of solar energy inverter |
| CN108966044A (en) * | 2018-05-28 | 2018-12-07 | 普联技术有限公司 | A kind of power-down protection circuit of wireless router, method and wireless router |
| CN108966044B (en) * | 2018-05-28 | 2021-02-09 | 普联技术有限公司 | Power failure protection circuit and method of wireless router and wireless router |
| CN110829601A (en) * | 2019-11-27 | 2020-02-21 | 何雪平 | Electric connector capable of guaranteeing maximum working reliability |
| CN116454826A (en) * | 2023-06-14 | 2023-07-18 | 国电投山西能源服务有限公司 | Emergency protection circuit device for circuit fault |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103311884B (en) | A kind of Self-recover overvoltage-undervoltage protector with creepage protection function | |
| CN102709901B (en) | Current transformer over-voltage protection method and device | |
| CN202260375U (en) | Circuit detection protecting device | |
| CN204216675U (en) | Based on power distribution cabinet electric leakage monitoring and the guard system of CAN formula | |
| CN204705694U (en) | Photovoltaic DC insulation monitoring and warning device | |
| CN105911344A (en) | Intelligent electric energy meter supporting electric leakage protection | |
| CN201134662Y (en) | Leakage detecting and protecting device | |
| CN203339659U (en) | Single-phase electric leakage protection and power supply automation recovery device | |
| CN203850565U (en) | Intelligent power socket | |
| CN201724969U (en) | Intelligent measurement display device of switch cabinet | |
| CN203056683U (en) | Box-type transformer station intelligent monitoring system | |
| CN202149937U (en) | Electric energy meter calibrating device and calibrating system | |
| CN203205830U (en) | Resettable overvoltage and under-voltage protector with leakage protection function | |
| CN205029421U (en) | Power supply switching device | |
| CN202949204U (en) | Intelligent fault detecting and elimination system of circuit breaker | |
| CN203260995U (en) | Single-phase safety electricity-using appliance | |
| CN205160031U (en) | Device for detecting disconnection | |
| CN204391726U (en) | A kind of Novel electric surge protector | |
| CN203339793U (en) | An apparatus for switching double DC power supplies in parallel | |
| CN207611461U (en) | A kind of microcomputer protecting device with fire monitoring function | |
| CN203502536U (en) | Switch cabinet protection circuit broken line monitoring device | |
| CN103529349A (en) | Break monitoring device for protection circuit of switch cabinet | |
| CN203151213U (en) | Converter station valve water cooling system signal power source | |
| CN205039533U (en) | Line protection measurement and control device | |
| CN204391716U (en) | A kind of Novel electric surge protector |
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: 20120530 Termination date: 20121014 |