CN206490259U - Wall jack - Google Patents
Wall jack Download PDFInfo
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- CN206490259U CN206490259U CN201720154908.7U CN201720154908U CN206490259U CN 206490259 U CN206490259 U CN 206490259U CN 201720154908 U CN201720154908 U CN 201720154908U CN 206490259 U CN206490259 U CN 206490259U
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Abstract
The utility model discloses a kind of wall jack, is related to electrical safety fire-fighting domain.Wherein whether fault electric arc is included in fault electric arc detection module detection present load circuit, in the case of including fault electric arc in present load circuit, fault-signal is sent to main control module；Main control module sends dropout control signal in the case where judging to need to carry out trip operation according to fault-signal to trip action performing module；Trip action performing module performs action by what dropout control signal was converted to magnet coil, to complete trip operation.The utility model to fault electric arc by detecting, so that wall jack possesses detection and defencive function, improves the security performance of wall jack.
Description
Technical field
The utility model is related to electrical safety fire-fighting domain, more particularly to a kind of wall jack.
Background technology
The box socket of metope 86 is family and the wide variety of electric quick connecting parts of business, and most of 86 box sockets do not have
Standby electic protection function, is only to provide linkage function, does not possess corresponding detection and defencive function.
Electric arc is a kind of electric discharge phenomena across certain medium for example air, the electricity that electric arc is consumed between two electrodes
The energy modes such as light, sound, heat energy, electromagnetic radiation can be converted into simultaneously, and arc center's temperature is at least in 1000 DEG C, extreme case
15000 DEG C are even more than down.General arc discharge refers in particular to puncture between two electrodes for having voltage difference putting produced by air
Electrical phenomena.
Among existing electric loop, there is point of so-called normal arc and fault electric arc.Wherein normal arc is divided again
For single electric arc and cycle electric arc；Single electric arc is mainly produced by contactor action, is characterized in time of origin at random, no
Continuously (typically only in one or several alternating current half-waves produce), gross energy particularly generate total amount of heat it is smaller and
Be it is controllable will not trigger disastrous consequence, to this single electric arc, should be handled not as harmful electric arc.Cycle electric arc is
Finger is some to be carried out the electrical equipment (for example arc welding, electric arc furnaces, arc discharge lamp etc.) of work by arc discharge or works in height
Electrical equipment (for example internal electric hand drill, impact drill, electric hammer with brush motor etc.) under fast periodic switch state, these
Electric arc produced by electrical equipment is also that, in controllable state, will not trigger disastrous consequence, should not also be made for this electric arc
Handled for harmful electric arc, otherwise these electrical equipments are either powered off and cisco unity malfunction or just by mistakenly protectiveness
It can be generated among electric loop unprotected after fault electric arc.
Harmful electric arc typically results from insulating barrier aging among electric loop, (external impacts or mouse gnaw for insulating barrier breakage
Food etc.), electrical connection loosenings, electrical fitting corrosion, electric parts is damaged, external conductive debris enters (such as water inlet), this
Electric arc produced by a little failures is occurring have very strong randomness and harmfulness, among the electric circumstance without protection, therefore
The fire incident that barrier electric arc is triggered accounts for more than 40% (being counted according to Ministry of Public Security's Shenyang fire house) of electrical fire, therefore in electricity
Fault electric arc detection is installed among gas equipment to be highly desirable to protection device.
Utility model content
The utility model embodiment provides a kind of wall jack, by being detected to fault electric arc, so that metope is inserted
Seat tool improves the security performance of wall jack for detection and defencive function.
According to one side of the present utility model there is provided a kind of wall jack, including the failure electricity being connected with main control module
Arc detection module and trip action performing module, wherein：
Whether fault electric arc is included in fault electric arc detection module detection present load circuit, wrapped in present load circuit
In the case of containing fault electric arc, fault-signal is sent to main control module；
Main control module is performed in the case where judging to need to carry out trip operation according to the fault-signal to trip action
Module sends dropout control signal；
Trip action performing module performs action by what the dropout control signal was converted to magnet coil, to complete to take off
Button operation.
In one embodiment, fault electric arc detection module includes high-pass filtering shaping circuit and detection and analysis circuit, high
The output end of pass filter shaping circuit is connected with testing and analyzing the input of circuit.
Wherein, high-pass filtering shaping circuit extracts the high frequency signal of electric current in load circuit, and high fdrequency component is believed
Number send to detection and analysis circuit；The scale parameter that circuit obtains electric current according to high frequency signal is tested and analyzed, in yardstick ginseng
In the case that number is more than yardstick threshold value, determine to include fault electric arc in load circuit.
In one embodiment, fault electric arc detection module also includes LPF shaping circuit, LPF shaping electricity
The output end on road is connected with testing and analyzing the input of circuit.
Wherein, LPF shaping circuit extracts the low frequency component signal of electric current in load circuit, and detection and analysis circuit exists
In the case that the energy of the low frequency component signal of electric current is more than energy threshold, it is standard event to determine the fault electric arc in load circuit
Hinder electric arc.
In one embodiment, fault electric arc detection module also includes signal output apparatus, signal output apparatus and master control
Module is electrically connected；
Wherein, in the case that fault electric arc of the signal output apparatus in load circuit meets preassigned fault electric arc,
Fault-signal is sent to main control module.
In one embodiment, wall jack also includes the overvoltage/undervoltage detection module being connected with main control module, wherein：
Overvoltage/undervoltage detection module detects present load circuit input voltage, in present load circuit input voltage higher than overvoltage
Threshold value or less than brownout threshold in the case of, to main control module send overvoltage/undervoltage signal；
Main control module is held in the case where judging to need to carry out trip operation according to the overvoltage/undervoltage signal to trip action
Row module sends dropout control signal.
In one embodiment, wall jack also includes the over-current detection module being connected with main control module, wherein：
Over-current detection module detects the electric current of present load circuit, is higher than excessively stream threshold value in the electric current of present load circuit
In the case of, send over-current signal to main control module；
Main control module is performed in the case where judging to need to carry out trip operation according to the over-current signal to trip action
Module sends dropout control signal.
In one embodiment, wall jack also includes the detection of electrical leakage module being connected with main control module, wherein：
Whether detection of electrical leakage module detection present load circuit leaks electricity, in the case where present load circuit leaks electricity, to master
Control module and send electric leakage signal；
Main control module is performed in the case where judging to need to carry out trip operation according to the electric leakage signal to trip action
Module sends dropout control signal.
In one embodiment, wall jack also includes the excess temperature detection module being connected with main control module, wherein：
Excess temperature detection module detects current wall jack internal temperature, is higher than excess temperature threshold in current wall jack internal temperature
In the case of value, excess temperature signal is sent to main control module；
Main control module is performed in the case where judging to need to carry out trip operation according to the excess temperature signal to trip action
Module sends dropout control signal.
In one embodiment, wall jack also includes the communication module being connected with main control module, wherein：
The status information of signal received by main control unit and present load circuit is passed through radio communication by communication module
Mode is sent to network side equipment.
In one embodiment, communication uses WIFI or Zigbee protocol.
It is of the present utility model other by referring to the drawings to the detailed description of exemplary embodiment of the present utility model
Feature and its advantage will be made apparent from.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of the utility model wall jack one embodiment.
Fig. 2 is the schematic diagram of fault electric arc detection module one embodiment of the present invention.
Fig. 3 is the schematic diagram of another embodiment of the utility model wall jack.
Fig. 4 is the schematic diagram of the another embodiment of the utility model wall jack.
Fig. 5 is the utility model wall jack profile form schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.The description only actually at least one exemplary embodiment is illustrative below, never as to this practicality
New and its application or any limitation used.Based on the embodiment in the utility model, those of ordinary skill in the art are not having
There is the every other embodiment made and obtained under the premise of creative work, belong to the scope of the utility model protection.
Unless specifically stated otherwise, the part and positioned opposite, the digital table of step otherwise illustrated in these embodiments
Scope of the present utility model is not limited up to formula and numerical value.
Simultaneously, it should be appreciated that for the ease of description, the size of the various pieces shown in accompanying drawing is not according to reality
Proportionate relationship draw.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing a part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
Fig. 1 is the schematic diagram of the utility model wall jack one embodiment.Wherein, wall jack include main control module 1,
The fault electric arc detection module 2 and trip action performing module 3 being connected with main control module 1.Wherein：
Whether fault electric arc is included in the detection present load circuit of fault electric arc detection module 2, in present load circuit
In the case of comprising fault electric arc, fault-signal is sent to main control module 1.
Main control module 1 performs mould in the case where judging to need to carry out trip operation according to fault-signal to trip action
Block 3 sends dropout control signal.
Trip action performing module 3 performs action by what dropout control signal was converted to magnet coil, to complete to thread off
Operation.
The wall jack provided based on the utility model above-described embodiment, by being detected to fault electric arc, so that
Wall jack possesses detection and defencive function, improves the security performance of wall jack.
Fig. 2 is the schematic diagram of fault electric arc detection module one embodiment of the present invention.As shown in Fig. 2 fault electric arc is detected
Module may include high-pass filtering shaping circuit 21 and detection and analysis circuit 22, the output end of high-pass filtering shaping circuit 21 and detection
The input connection of analysis circuit 22.
Wherein, high-pass filtering shaping circuit 21 extracts the high frequency signal of electric current in load circuit, and by high fdrequency component
Signal is sent to detection and analysis circuit 22.
The scale parameter that circuit 22 obtains electric current according to high frequency signal is tested and analyzed, is more than yardstick threshold in scale parameter
In the case of value, determine to include fault electric arc in load circuit.
Alternatively, as shown in Fig. 2 fault electric arc detection module also includes LPF shaping circuit 23, LPF is whole
The output end of shape circuit 23 is connected with testing and analyzing the input of circuit 22.
Wherein, LPF shaping circuit 23 extracts the low frequency component signal of electric current in load circuit, tests and analyzes circuit
22 in the case where the energy of the low frequency component signal of electric current is more than energy threshold, and it is mark to determine the fault electric arc in load circuit
Quasi- fault electric arc.
Alternatively, fault electric arc detection module may also include signal output apparatus 24, signal output apparatus 24 and master control mould
Block 1 is connected.
Wherein, fault electric arc of the signal output apparatus 24 in load circuit meets the situation of preassigned fault electric arc
Under, send fault-signal to main control module 1.
Fig. 3 is the schematic diagram of another embodiment of the utility model wall jack.Compared with embodiment illustrated in fig. 1, in Fig. 3 institutes
Show in embodiment, wall jack also includes overvoltage/undervoltage detection module 4, wherein：
Overvoltage/undervoltage detection module 4 detects present load circuit input voltage, is higher than in present load circuit input voltage
Press threshold value or less than brownout threshold in the case of, to main control module 1 send overvoltage/undervoltage signal.
Main control module 1 is performed in the case where judging to need to carry out trip operation according to overvoltage/undervoltage signal to trip action
Module 3 sends dropout control signal.
Alternatively, in the embodiment shown in fig. 3, wall jack may also include over-current detection module 5, wherein：
Over-current detection module 5 detects the electric current of present load circuit, is higher than excessively stream threshold value in the electric current of present load circuit
In the case of, send over-current signal to main control module 1.
Main control module 1 performs mould in the case where judging to need to carry out trip operation according to over-current signal to trip action
Block 3 sends dropout control signal.
Alternatively, in the embodiment shown in fig. 3, wall jack may also include detection of electrical leakage module 6, wherein：
Whether the detection present load circuit of detection of electrical leakage module 6 leaks electricity, in the case where present load circuit leaks electricity, to master
Control module 1 and send electric leakage signal.
Main control module 1 performs mould in the case where judging to need to carry out trip operation according to electric leakage signal to trip action
Block 3 sends dropout control signal.
Alternatively, in the embodiment shown in fig. 3, wall jack may also include excess temperature detection module 7, wherein：
Excess temperature detection module 7 detects current wall jack internal temperature, is higher than excess temperature in current wall jack internal temperature
In the case of threshold value, excess temperature signal is sent to main control module 1.
Main control module 1 performs mould in the case where judging to need to carry out trip operation according to excess temperature signal to trip action
Block 3 sends dropout control signal.
Alternatively, main control module 1 is after the various signals for such as fault-signal that each module is sent are received, if the signal
It is continuous to occur, then trigger corresponding control of threading off.So as to be prevented effectively from the generation of maloperation while security control is realized.
Fig. 4 is the schematic diagram of the another embodiment of the utility model wall jack.Compared with embodiment illustrated in fig. 3, in Fig. 4 institutes
Show in embodiment, further comprise communication module 8, wherein：
The status information of signal received by main control unit 1 and present load circuit is passed through channel radio by communication module 8
Letter mode is sent to network side equipment.
Alternatively, communication uses WIFI, Zigbee protocol or other wireless communication protocols.
Fig. 5 is the utility model profile form schematic diagram.From figure 5 it can be seen that the utility model is meeting existing wall
In the case of the box socket volume requirement of face 86, possess many safety protection functions.Seamless it can replace existing civilian and commercial wall
The box socket of face 86.Meanwhile, it is civilian and commercial there is provided perfect electricity protection function with higher protection level of security.
In addition, the wall jack that the utility model is related to can support 220V electrical voltage systems, there can be many kinds of 10A, 16A, 20A
Current specification.
Wherein in Figure 5, the lower right corner is function button, and the lower left corner is leakage testses button.Due to reality of the present utility model
With novel point not here, therefore not deploying explanation here.
By implementing the utility model, wall jack can effectively recognize fault electric arc, can also carry out overvoltage/undervoltage detection, excessively stream
Detection, detection of electrical leakage and excess temperature detection, so that wall jack possesses detection and defencive function, improve the peace of wall jack
Full performance.
Description of the present utility model is provided for the sake of example and description, and is not exhaustively or by originally
Utility model is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.
Selection and description embodiment are, in order to more preferably illustrate principle of the present utility model and practical application, and to make the common skill of this area
Art personnel are it will be appreciated that the utility model is so as to design the various embodiments with various modifications suitable for special-purpose.
Claims (10)
1. a kind of wall jack, it is characterised in that including the fault electric arc detection module being connected with main control module and trip action
Performing module, wherein：
Whether fault electric arc is included in fault electric arc detection module detection present load circuit, event is included in present load circuit
In the case of hindering electric arc, fault-signal is sent to main control module；
Main control module according to the fault-signal in the case where judging to need to carry out trip operation, to trip action performing module
Send dropout control signal；
Trip action performing module performs action by what the dropout control signal was converted to magnet coil, to complete the behaviour that threads off
Make.
2. wall jack according to claim 1, it is characterised in that fault electric arc detection module includes high-pass filtering shaping
Circuit and detection and analysis circuit, the output end of high-pass filtering shaping circuit are connected with testing and analyzing the input of circuit；
Wherein, high-pass filtering shaping circuit extracts the high frequency signal of electric current in the load circuit, and by the high frequency division
Amount signal is sent to detection and analysis circuit；Test and analyze the yardstick ginseng that circuit obtains the electric current according to the high frequency signal
Number, in the case where the scale parameter is more than yardstick threshold value, determines to include fault electric arc in the load circuit.
3. wall jack according to claim 2, it is characterised in that it is whole that fault electric arc detection module also includes LPF
Shape circuit, the output end of LPF shaping circuit is connected with testing and analyzing the input of circuit；
Wherein, LPF shaping circuit extracts the low frequency component signal of electric current in the load circuit, and detection and analysis circuit exists
In the case that the energy of the low frequency component signal of the electric current is more than energy threshold, the fault electric arc in the load circuit is determined
For standard failure electric arc.
4. wall jack according to claim 3, it is characterised in that fault electric arc detection module also includes signal output electricity
Road, signal output apparatus is electrically connected with main control module；
Wherein, in the case that fault electric arc of the signal output apparatus in the load circuit meets preassigned fault electric arc,
Fault-signal is sent to main control module.
5. wall jack according to claim 1, it is characterised in that the also overvoltage/undervoltage detection including being connected with main control module
Module, wherein：
Overvoltage/undervoltage detection module detects present load circuit input voltage, is higher than overvoltage threshold in present load circuit input voltage
Or less than brownout threshold in the case of, to main control module send overvoltage/undervoltage signal；
Main control module performs mould in the case where judging to need to carry out trip operation according to the overvoltage/undervoltage signal to trip action
Block sends dropout control signal.
6. wall jack according to claim 1, it is characterised in that the also over-current detection mould including being connected with main control module
Block, wherein：
Over-current detection module detects the electric current of present load circuit, is higher than the situation of excessively stream threshold value in the electric current of present load circuit
Under, send over-current signal to main control module；
Main control module according to the over-current signal in the case where judging to need to carry out trip operation, to trip action performing module
Send dropout control signal.
7. wall jack according to claim 1, it is characterised in that the also detection of electrical leakage mould including being connected with main control module
Block, wherein：
Whether detection of electrical leakage module detection present load circuit leaks electricity, in the case where present load circuit leaks electricity, to master control mould
Block sends electric leakage signal；
Main control module according to the electric leakage signal in the case where judging to need to carry out trip operation, to trip action performing module
Send dropout control signal.
8. wall jack according to claim 1, it is characterised in that also the excess temperature including being connected with main control module detects mould
Block, wherein：
Excess temperature detection module detects current wall jack internal temperature, in current wall jack internal temperature higher than excess temperature threshold value
In the case of, send excess temperature signal to main control module；
Main control module according to the excess temperature signal in the case where judging to need to carry out trip operation, to trip action performing module
Send dropout control signal.
9. according to any described wall jack in claim 1-8, it is characterised in that logical also including what is be connected with main control module
Module is interrogated, wherein：
The status information of signal received by main control unit and present load circuit is passed through communication by communication module
It is sent to network side equipment.
10. wall jack according to claim 9, it is characterised in that
Communication uses WIFI or Zigbee protocol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720154908.7U CN206490259U (en) | 2017-02-21 | 2017-02-21 | Wall jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720154908.7U CN206490259U (en) | 2017-02-21 | 2017-02-21 | Wall jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206490259U true CN206490259U (en) | 2017-09-12 |
Family
ID=59764019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720154908.7U Active CN206490259U (en) | 2017-02-21 | 2017-02-21 | Wall jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206490259U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108461994A (en) * | 2017-02-21 | 2018-08-28 | 北京维森科技有限公司 | Wall jack and its control method |
-
2017
- 2017-02-21 CN CN201720154908.7U patent/CN206490259U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108461994A (en) * | 2017-02-21 | 2018-08-28 | 北京维森科技有限公司 | Wall jack and its control method |
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