CN205666607U - Small -size intelligent earth -leakage protector - Google Patents
Small -size intelligent earth -leakage protector Download PDFInfo
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- CN205666607U CN205666607U CN201620554850.0U CN201620554850U CN205666607U CN 205666607 U CN205666607 U CN 205666607U CN 201620554850 U CN201620554850 U CN 201620554850U CN 205666607 U CN205666607 U CN 205666607U
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Abstract
The utility model relates to a small -size intelligent earth -leakage protector connects between power input end and load output, including main control unit, circuit unit, display element, control module, wireless communication module to and set up control switch K1, K2, the K3 on L line, N line and PE line respectively, be equipped with zero sequence current transformer CT on the L line. The utility model discloses a protector has been realized breaking off the PE line with zero line and live wire are synchronous when detecting the leakage current through having increased the measuring to PE wire pair ground leakage current to reached and makeed the consumer thoroughly break away from the power and the mesh protected, in addition, leak the leakage current production caution signal that current detection module detected through the electric signal analysis module analysis to show the testing result through the main control unit on display element, the person of facilitating the use learns the reason that opens circuit, still can send control signal through wireless communication module at the distal end, make the protector disconnection, satisfy user's user demand greatly.
Description
Technical field
This utility model relates to a kind of protector, particularly relates to a kind of small intelligent earth leakage protective device.
Background technology
Earth leakage protective device, is called for short leakage switch, is again RCCB, is primarily used to when equipment generation leak current fault
And to there being the personal electrical shock protection of fatal risk, there is overload and short-circuit protection function, can be used to protection circuit or motor
Overload and short circuit, also can under normal circumstances as circuit infrequently conversion start be used.During use, earth leakage protective device is even
It is connected between supply line and load circuit, is used for detecting whether load circuit the abnormal conditions such as overload, short circuit or electric leakage occurs,
When abnormal conditions occurs in load circuit, on and off switch can be automatically cut off, to protect electrical equipment, the person and property safety, with
Time have supply voltage detection defencive function.
Existing leakage switch or earth leakage protective device are that the out-of-balance current Δ In producing phase line Leaked Current of Line to Ground examines
Observing and controlling system thus reach protect purpose, but it can not play a protective role in the case of NPE tape electricity, can cause tactile on the contrary
Electricity or death by accident.
Because above-mentioned defect, the design people, the most in addition research and innovation, to founding the small-sized of a kind of new structure
Intelligent electricity leakage protector so that it is have more the value in industry.
Utility model content
For solving above-mentioned technical problem, the purpose of this utility model is to provide a kind of small intelligent earth leakage protective device, can be
In the case of NPE tape electricity, load is disconnected with power supply, comprehensive protect.
Small intelligent earth leakage protective device of the present utility model, it is connected between power input and load outputs, its
It is characterised by: include main control unit, circuit unit, control module, display unit, and be separately positioned on L line, N line and PE line
On control switch, wherein
-described circuit unit includes that the leakage current test module of electrical connection and electric power signal analyze module, described leakage current
Detection module is connected with described L line, N line and PE line, is used for detecting the most whether L line, N line and PE line exist leakage current, and leads to
Cross electric power signal and analyze module generation caution signals；
-described control module is connected, when receiving from described main control unit caution signals with each described switch that controls
During the control signal produced after process, control each described control switch and simultaneously switch off；
-described main control unit is for receiving the detection signal of described leakage current test module, processing described electric power signal and divide
Caution signals that analysis module produces also generates control signal and is sent to described control module, is shown by described display unit simultaneously
The testing result of described leakage current test module.
Further, the leakage analog generation circuit electrically connected with described leakage current test module, described electric leakage are also included
Simulation occurs circuit on one side to connect the positive pole of power supply, the other end is connected on the N line of described protector outfan.
Further, described leakage analog generation circuit includes test switch and the test resistance of series connection.
Further, described main control unit is also associated with wireless communication module, for receiving the control signal of terminal, and leads to
Cross described main control unit generation control signal and be sent to described control module, described control module control each described control and switch
Simultaneously switch off.
Further, described display unit is LED display.
Further, described test switch is normally opened button.
By such scheme, this utility model at least has the advantage that
1, by adding the detection to PE line Ground leakage current, it is achieved that when leakage current being detected by PE line and zero line
Synchronize to disconnect with live wire, thus the purpose having reached to make electrical equipment thoroughly depart from power supply and having protected；
2 it addition, analyze, by electric power signal, the leakage current generation warning letter that module analysis leakage current test module detects
Number, and show testing result on the display unit by main control unit, facilitate user to learn the reason of open circuit；
3, protector the most of the present utility model can also remotely control, when needs are by electrical equipment deenergization,
Control signal can be sent at far-end by wireless communication module, make protector disconnect, significantly meet the use demand of user.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and can being practiced according to the content of description, below with preferred embodiment of the present utility model and coordinate accompanying drawing detailed
Describe in detail bright as after.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, detailed description of the invention of the present utility model is described in further detail.Below
Embodiment is used for illustrating this utility model, but is not limited to scope of the present utility model.
See Fig. 1, a kind of small intelligent earth leakage protective device described in this utility model one preferred embodiment, it is connected to power supply
Between input and load outputs, including main control unit, circuit unit, display unit, control module, wireless communication module,
And control switch K1, K2, the K3 being separately positioned on L line, N line and PE line, L line is provided with zero sequence current mutual inductor CT.Its
In: circuit unit includes that the leakage current test module of electrical connection and electric power signal analyze module, leakage current test module and L line, N
Line and PE line connect, and are used for detecting the most whether L line, N line and PE line exist leakage current, and analyze module product by electric power signal
Raw caution signals；Control module with each control switch K1, K2, K3 be connected, when receive from main control unit to caution signals at
During the control signal produced after reason, control each switch K1, K2, K3 of controlling and simultaneously switch off；Main control unit is used for receiving leakage current inspection
Survey module detection signal, process electric power signal analyze module produce caution signals and generate control signal be sent to control mould
Block, simultaneously by the testing result of display unit display leakage current test module；Wireless communication module is for receiving the control of terminal
Signal processed, and by main control unit generate control signal be sent to control module, by control module control each control switch K1,
K2, K3 simultaneously switch off.By connecting zero sequence current mutual inductor CT on L line, to control switch K1, K2, K3 out-of-control condition each
Under, when there is electric shock or leak current fault in load, zero sequence current mutual inductor CT secondary side output zero-sequence current, make this utility model
Protector action, i.e. cut off the electricity supply.
For detecting whether protector of the present utility model can realize earth leakage protective, protector of the present utility model also includes
The leakage analog generation circuit electrically connected with leakage current test module, this leakage analog generation circuit on one side is just connecting power supply
Pole, the other end are connected on the N line of protector outfan.Concrete, leakage analog generation circuit includes the test switch of series connection
K4 and test resistance R, test switch K4 are normally opened button.During detection, test switch K4 is pressed, make leakage analog generation circuit
Connect, produce leakage current over the ground.When leakage current test module detects leakage current, and electric power signal is analyzed module and produced warning letter
Number, this caution signals is processed by main control unit, and control unit is sent control signal, makes control switch K1, K2, K3 simultaneously
Disconnect, then prove that protector of the present utility model can realize earth leakage protective.
Concrete, in this utility model, display unit is LED display, can demonstrate leakage current test module intuitively
Testing result, in order to user learn circuit be because of overload or short circuit and disconnect.
Protector of the present utility model is by adding the detection to PE line Ground leakage current, it is achieved that when electric leakage being detected
Disconnect Tong Bu with zero line and live wire for PE line during stream, thus the mesh having reached to make electrical equipment thoroughly depart from power supply and having protected
's；It addition, analyze, by electric power signal, the leakage current generation caution signals that module analysis leakage current test module detects, and lead to
Cross main control unit and show testing result on the display unit, facilitate user to learn the reason of open circuit；The most of the present utility model
Protector can also remotely control, and when needs are by electrical equipment deenergization, can be sent out by wireless communication module at far-end
Go out control signal, make protector disconnect, significantly meet the use demand of user.
The above is only preferred implementation of the present utility model, is not limited to this utility model, it is noted that
For those skilled in the art, on the premise of without departing from this utility model know-why, it is also possible to do
Going out some improvement and modification, these improve and modification also should be regarded as protection domain of the present utility model.
Claims (6)
1. a small intelligent earth leakage protective device, it is connected between power input and load outputs, it is characterised in that: bag
Include main control unit, circuit unit, control module, display unit, and the control being separately positioned on L line, N line and PE line is opened
Close, wherein
-described circuit unit includes that the leakage current test module of electrical connection and electric power signal analyze module, described leakage current test
Module is connected with described L line, N line and PE line, is used for detecting the most whether L line, N line and PE line exist leakage current, and by electricity
Signal analysis module can produce caution signals；
-described control module is connected with each described switch that controls, and processes caution signals from described main control unit when receiving
During the control signal of rear generation, control each described control switch and simultaneously switch off；
-described main control unit is for receiving the detection signal of described leakage current test module, processing described electric power signal analysis mould
Caution signals that block produces also generates control signal and is sent to described control module, show by described display unit simultaneously described in
The testing result of leakage current test module.
Small intelligent earth leakage protective device the most according to claim 1, it is characterised in that: also include and described leakage current test
The leakage analog generation circuit of module electrical connection, described leakage analog generation circuit on one side connects the positive pole of power supply, the other end even
It is connected on the N line of described protector outfan.
Small intelligent earth leakage protective device the most according to claim 2, it is characterised in that: described leakage analog generation circuit bag
Include test switch and the test resistance of series connection.
4. according to the small intelligent earth leakage protective device described in any one of claim 1-3, it is characterised in that: described main control unit is also
Connect and have wireless communication module, for receiving the control signal of terminal, and generate control signal transmission by described main control unit
To described control module, described control module control each described control switch and simultaneously switch off.
Small intelligent earth leakage protective device the most according to claim 4, it is characterised in that: described display unit is that LED shows
Screen.
Small intelligent earth leakage protective device the most according to claim 3, it is characterised in that: described test switch be normally opened by
Button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620554850.0U CN205666607U (en) | 2016-06-08 | 2016-06-08 | Small -size intelligent earth -leakage protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620554850.0U CN205666607U (en) | 2016-06-08 | 2016-06-08 | Small -size intelligent earth -leakage protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205666607U true CN205666607U (en) | 2016-10-26 |
Family
ID=57155963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620554850.0U Expired - Fee Related CN205666607U (en) | 2016-06-08 | 2016-06-08 | Small -size intelligent earth -leakage protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205666607U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008239A (en) * | 2018-01-04 | 2018-05-08 | 吉林省中赢高科技有限公司 | The detection device of PE lines, conduction charging system and electric car in supply network |
| CN108155621A (en) * | 2018-01-29 | 2018-06-12 | 珠海万维智库信息科技有限公司 | A kind of earth leakage protective device burglary-resisting system |
| CN108414866A (en) * | 2018-05-24 | 2018-08-17 | 北京正翰能源科技有限公司 | Proactive intelligence protector |
-
2016
- 2016-06-08 CN CN201620554850.0U patent/CN205666607U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008239A (en) * | 2018-01-04 | 2018-05-08 | 吉林省中赢高科技有限公司 | The detection device of PE lines, conduction charging system and electric car in supply network |
| CN108155621A (en) * | 2018-01-29 | 2018-06-12 | 珠海万维智库信息科技有限公司 | A kind of earth leakage protective device burglary-resisting system |
| CN108155621B (en) * | 2018-01-29 | 2024-01-30 | 欧勒姆电气(惠州)有限公司 | Leakage protector anti-theft system |
| CN108414866A (en) * | 2018-05-24 | 2018-08-17 | 北京正翰能源科技有限公司 | Proactive intelligence protector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20161026 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |