CN206470352U - A kind of socket short-circuit detecting device and system - Google Patents
A kind of socket short-circuit detecting device and system Download PDFInfo
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- CN206470352U CN206470352U CN201720174759.0U CN201720174759U CN206470352U CN 206470352 U CN206470352 U CN 206470352U CN 201720174759 U CN201720174759 U CN 201720174759U CN 206470352 U CN206470352 U CN 206470352U
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- live wire
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- electrical appliance
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Abstract
The utility model belongs to detection field, more particularly to a kind of socket short-circuit detecting device and system.Described device includes detection circuit and connector, the detection circuit includes live wire input interface, live wire ammeter, electrical appliance, live wire output interface, zero line input interface, neutral line current table and zero line output interface, the live wire input interface is sequentially connected electrically live wire ammeter, electrical appliance and live wire output interface, zero line input interface is sequentially connected neutral line current table and zero line output interface, live wire output interface is set to access the live wire of socket simultaneously, zero line output interface accesses the zero line of socket, and connector is used for the live wire of socket and zero line short circuit.It is high and do not result in the effect of regular link metal fatigue that the utility model realizes cost-effective, detection efficiency.
Description
Technical field
The utility model belongs to detection field, more particularly to a kind of socket short-circuit detecting device and system.
Background technology
The mode of mounting receptacle is substantially that multiple sockets compose in parallel a loop in large public building.Due to inserting
Seat, especially inserts and easily different degrees of line short fault occurs because external force is acted on, cause on the socket institute tape loop
All sockets can not be used, during maintenance, and the method for the short-circuit socket of detection only has one kind：It is distant using insulating megger
Parallel connection socket is surveyed, it is short-circuit if existing in this whole socket in parallel if the insulation resistance value that insulating megger is shown is less than 0.2 megaohm；Again by
One takes each socket in socket in parallel apart, and insulation resistance value is carried out respectively to the circuit of each socket taken apart using insulating megger
Remote measurement, then this socket is normal more than 0.2 megaohm for the insulation resistance value that insulating megger is shown, the insulation resistance value that insulating megger is shown is less than
0.2 megaohm of then this socket short circuit, judges again to repair the circuit short-circuit socket after the socket of short trouble, changes.
Such a detection method exist waste great amount of cost, detection efficiency it is low and repeatedly dismounting easily cause asking for regular link metal fatigue
Topic.
Utility model content
The utility model is for the shortcomings of the prior art is there is provided a kind of socket short-circuit detecting device and is
System.
The technical scheme that the utility model solves above-mentioned technical problem is as follows：A kind of socket short-circuit detecting device, it includes
Detect circuit and connector, the detection circuit include live wire input interface, live wire ammeter, electrical appliance, live wire output interface,
Zero line input interface, neutral line current table and zero line output interface, the live wire input interface are sequentially connected electrically live wire ammeter, use
Electrical equipment and live wire output interface, zero line input interface is sequentially connected neutral line current table and zero line output interface, while making live wire defeated
Outgoing interface accesses the live wire of socket, and zero line output interface accesses the zero line of socket, and connector is used for the live wire and zero line of socket
Short circuit.
The beneficial effects of the utility model are：External power supply, fire are accessed by live wire input interface and zero line input interface
Socket short circuit is provided electric energy by line output interface and zero line output interface access socket, connector for the device, electrical appliance and its
The annexation of his part allows the device to normal detection, and the display diversity judgement of live wire ammeter and neutral line current table goes out
Occurs the socket line of short circuit, connector accesses each socket, the short of each socket line is conveniently detected so as to realize
Road situation, saves staff due to the workload taken out stitches and brought repeatedly and time, it is tired that regular link will not produce metal
Labor.
Further, the connector is the wire or plug of protector built in appearance insulate, zero line and the fire of the plug
Line short circuit.
Beneficial effect using above-mentioned further scheme is：It is plug or the built-in protector of appearance insulation by connector
Wire causes the live wire of socket and zero line sets up electrical connecting passage, electric current can from the live wire of external power supply by electrical appliance, insert
Seat returns to the zero line formation loop of external power supply, realizes and carries out convenient and swift detection, section to the short-circuit conditions of each socket line
Staff is saved due to plug wire repeatedly and the workload brought and time, regular link will not produce metal fatigue.
Further, the electrical appliance is resistance.
Beneficial effect using above-mentioned further scheme is：It is resistance by electrical appliance so that by external power supply, electrical appliance
The loop constituted with connector can be powered and run, so as to complete the short-circuit detecting to socket line, realize easy to detect fast
Victory, saves staff due to the workload taken out stitches and brought repeatedly and time, regular link will not produce metal fatigue.
Further, the rated power of the electrical appliance is less than the rated power for the protection device that external power supply is used.
Beneficial effect using above-mentioned further scheme is：Used by the rated power of electrical appliance with external power supply
Relation between the rated power of protection device enables the loop being made up of external power supply, electrical appliance and connector to be powered simultaneously
Operation, does not make the protection device that external power supply is used open protection, so as to complete to Outlet line because of the access of electrical appliance
The short-circuit detecting on road, realizes easy to detect quick, saves staff due to the workload taken out stitches and brought repeatedly and time,
Regular link will not produce metal fatigue.
Further, the live wire input interface accesses the live wire of external power supply, zero line input interface access external power supply
Zero line.
Beneficial effect using above-mentioned further scheme is：Accessed by live wire input interface, zero line input interface external
Power supply so that the electric current that live wire ammeter and neutral line current table can be on measure loops, completes the short-circuit detecting to socket line,
The short-circuit conditions for conveniently detecting each socket line are realized, staff are saved due to the work taken out stitches and brought repeatedly
Measure and the time, regular link will not produce metal fatigue.
Further, the detection circuit also includes breaker, and the circuit breaker electric is connected to live wire ammeter and electrical appliance
Between.
Further, the detection circuit also includes indicator lamp, and the indicator lamp is in parallel with electrical appliance, and one end in parallel is connected to
Connecting node between electrical appliance and breaker, the other end in parallel is connected to the connection section between electrical appliance and live wire output interface
Point.
Beneficial effect using above-mentioned further scheme is：Setting and breaker by breaker and live wire ammeter,
The annexation of electrical appliance so that the detection means can be powered off in failure, protects the personal safety of operating personnel, indicator lamp
It is in parallel with electrical appliance so that indicator lamp is bright when electrical appliance obtains electric, the working state of device is indicated, the security of detection is realized.
Another technical scheme that the utility model solves above-mentioned technical problem is as follows：A kind of socket short circuit detecting system, bag
Include such as any socket short-circuit detecting device and insulation crust in above-mentioned embodiment, the detection circuit is arranged in insulation crust.
The beneficial effects of the utility model are：External power supply, fire are accessed by live wire input interface and zero line input interface
Socket short circuit is provided electric energy by line output interface and zero line output interface access socket, connector for the device, electrical appliance and its
The annexation of his part allows the device to normal detection, and the display diversity judgement of live wire ammeter and neutral line current table goes out
Occurs the socket line of short circuit, connector accesses each socket, the short of each socket line is conveniently detected so as to realize
Road situation, saves staff due to the workload taken out stitches and brought repeatedly and time, it is tired that regular link will not produce metal
Labor.
Further, in addition to breaker, the circuit breaker electric is connected between live wire ammeter and electrical appliance.
Further, in addition to indicator lamp, the indicator lamp is in parallel with electrical appliance, and one end in parallel is connected to electrical appliance and open circuit
Connecting node between device, the other end in parallel is connected to the connecting node between electrical appliance and live wire output interface.
Brief description of the drawings
The structural representation for the socket short-circuit detecting device that Fig. 1 provides for the embodiment of the utility model one；
The structural representation for the socket short-circuit detecting device that Fig. 2 provides for another embodiment of the utility model；
Fig. 3 is socket in parallel and power supply connection diagram.
In accompanying drawing 2, the part representated by each label is as follows：
L1, live wire input interface；PA1, live wire ammeter；R, electrical appliance；L2, live wire output interface；N1, zero line input connect
Mouthful；PA2, neutral line current table；N2, zero line output interface；QF, breaker；HR, indicator lamp.
In accompanying drawing 3, the part representated by each label is as follows：
La, the first live wire；Lb, the second live wire；Lc, the 3rd live wire；Ld, the 4th live wire；Na, the first zero line；Nb, the 2nd 0
Line；Nc, the 3rd zero line；Nd, the 4th zero line.
Embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
It is new, it is not intended to limit scope of the present utility model.
As shown in figure 1, a kind of socket short-circuit detecting device that the embodiment of the utility model one is provided, it includes detection circuit
And connector, the detection circuit include live wire input interface, live wire ammeter, electrical appliance, live wire output interface, zero line input
Interface, neutral line current table and zero line output interface, the live wire input interface are sequentially connected electrically live wire ammeter, electrical appliance and fire
Line output interface, zero line input interface is sequentially connected neutral line current table and zero line output interface, while connecing live wire output interface
Enter the live wire of socket, zero line output interface accesses the zero line of socket, and connector is used for the live wire of socket and zero line short circuit.
The socket short-circuit detecting device that the utility model embodiment is provided, passes through live wire input interface and zero line input interface
External power supply, live wire output interface and zero line output interface access socket are accessed, connector is inserted into the jack of socket, will inserted
The live wire and zero line short circuit of seat, electric energy is provided for the device, and the annexation of electrical appliance and miscellaneous part is allowed the device to
The display diversity judgement of normal detection, live wire ammeter and neutral line current table goes out to occur the socket line of short circuit, connector access
Each socket, so as to realize the short-circuit conditions for conveniently detecting each socket line, saves staff due to repeatedly
The workload taken out stitches and brought and time, regular link will not produce metal fatigue.
As shown in Fig. 2 a kind of socket short-circuit detecting device that another embodiment of the utility model is provided, it includes detection electricity
Road and connector, the detection circuit include live wire input interface, live wire ammeter, breaker, electrical appliance, indicator lamp, live wire
Output interface, zero line input interface, neutral line current table and zero line output interface, the live wire input interface are sequentially connected electrically live wire
Ammeter, breaker, electrical appliance and live wire output interface, zero line input interface is sequentially connected neutral line current table and zero line output connects
Mouthful, while making the live wire of live wire output interface access socket, zero line output interface accesses the zero line of socket, and connector is used to insert
The live wire of seat and zero line short circuit, the indicator lamp are in parallel with electrical appliance, and one end in parallel is connected between electrical appliance and breaker
Connecting node, the other end in parallel is connected to the connecting node between electrical appliance and live wire output interface.
Design principle of the present utility model is：Using series circuit current equal theory everywhere, according to feeding out current value
And the difference between current between return current value is judged, if in circuit certain point break down, its feed out current value can be more than return
Telegram in reply flow valuve, current differential can change according to fault ground resistance difference.It is right respectively by connector between socket in parallel
Each socket carries out short circuit, when finding that live wire ammeter is different from neutral line current table, the preliminary Outlet line for judging to occur short circuit
The position on road.The electric current that live wire ammeter is shown is to feed out current value, and the electric current that neutral line current table is shown is return current
Value.
When a socket in socket or socket in parallel is short-circuit, electric current will pass through the Outlet line for occurring short circuit at power supply
Live wire insulated hull breakage flow direction the earth in road, causes the accident.
Live wire ammeter and neutral line current table should be according to the suitable ammeters of voltage and type selecting of external power supply.
The socket short-circuit detecting device that the utility model embodiment is provided, setting and breaker and live wire by breaker
The annexation of ammeter, electrical appliance so that the detection means can be powered off in failure, the person peace of protection operating personnel
Entirely, indicator lamp is in parallel with electrical appliance so that indicator lamp is bright when electrical appliance obtains electric, indicates the working state of device, realizes detection
Security.
Illustrate embodiment difference with the prior art provided by the utility model by taking socket in parallel as an example below, it is final true
There is short trouble in fixed 4th live wire：
As shown in figure 3, the detection method of prior art is：
The first step：Using the socket in insulating megger remote measurement Fig. 3, the insulation resistance value that insulating megger is shown is less than 0.2 megaohm,
Determine that short trouble occurs in the socket line in Fig. 3, but not can determine that event occurs in the circuit near which specific socket now
Barrier.
Second step：Disconnecting power switch, is taken remote measurement to the first live wire and the first zero line using insulating megger respectively, insulation
Resistance is more than 0.2 megaohm, and the circuit of socket one is normal.
3rd step：The second live wire and the second zero line dismantled respectively with the connection of socket one, are distinguished using insulating megger
Second live wire and the second zero line are taken remote measurement, insulation resistance value is more than 0.2 megaohm, and the circuit of socket two is normal.
4th step：Dismantle the 3rd live wire and the 3rd zero line being connected respectively with socket two, using insulating megger respectively to
Three live wires and the 3rd zero line take remote measurement, and insulation resistance value is more than 0.2 megaohm, and the circuit of socket three is normal.
5th step, the 4th live wire and the 4th zero line being connected respectively with socket three of dismantling, using insulating megger respectively to
Four live wires and the 4th zero line take remote measurement, and insulation resistance value is less than 0.2 megaohm, the line short fault of socket four.
The detection method of embodiment provided by the utility model is：
The first step：Disconnecting power switch, live wire input interface accesses the live wire of external power supply, and the access of zero line input interface is outer
The zero line of power supply is connect, the first live wire is taken apart and live wire output interface is connected to, the first zero line is taken apart and is connected to zero line output connects
Mouthful, close circuit breaker, indicator lamp is lighted.
Second step：The jack of socket one, socket two and socket three, live wire ammeter and zero line are sequentially inserted into using connector
The current value of ammeter is equal, judges that the circuit of socket one, socket two and socket three is normal.
3rd step：The jack of socket four is inserted using connector, live wire ammeter current value is more than neutral line current table electric current
Value, judges the circuit of socket four as short trouble.Due to there is short dot, electric current can flow to the earth by short dot, cause electric current
The otherness of value.
The contrast of above two method is as follows：
It follows that in the utility model embodiment, in detection socket in parallel, the order of connector access socket be from
Socket of the socket of the close side of socket short-circuit detecting device to the remote side of socket short-circuit detecting device.
Detected that detection efficiency is higher according to this order that connector sequentially is accessed into socket, can using it is most short when
Between which socket line short trouble judged.
By above technical scheme, the present apparatus can be also applied to socket short-circuit detecting by those skilled in the art
Under situation, no longer repeated herein.
Alternatively, in the utility model embodiment, the connector is the wire or plug of protector built in appearance insulate,
The zero line of the plug and live wire short circuit.
In the embodiment, connector is plug, and the plug connects the zero line in plug and live wire so that by using
The electric current of electrical equipment can flow to neutral line current table from plug.The wire of the built-in protector of appearance insulation refers to that appearance is non-conductive, interior
Portion sets the wire of protector, and wire enables flows to neutral line current table by the electric current of electrical appliance from wire, protector
Effect is not injured when the wire is accessed socket by operating personnel when there is line fault by electricity.
The embodiment, by connector be plug or appearance insulate built-in protector wire cause the live wire of socket with
Zero line sets up electrical connecting passage, and electric current can return to the zero line of external power supply from the live wire of external power supply by electrical appliance, socket
Loop is formed, realizes and convenient and swift detection is carried out to the short-circuit conditions of each socket line, save staff due to repeatedly
Plug wire and the workload brought and time, regular link will not produce metal fatigue.
Alternatively, in the utility model embodiment, the electrical appliance is resistance.
In the embodiment, electrical appliance is resistance, and the access of electrical appliance causes external power supply not with the earth directly in the device
Short-circuit loop is constituted, the power switch of external power supply can be closed, complete detection.
The embodiment, is resistance by electrical appliance so that the loop energy being made up of external power supply, electrical appliance and connector
Enough be powered and run, so as to complete the short-circuit detecting to socket line, realize it is easy to detect quick, save staff due to
The workload taken out stitches and brought repeatedly and time, regular link will not produce metal fatigue.
Alternatively, in the utility model embodiment, the rated power of the electrical appliance is less than the guarantor that external power supply is used
The rated power of protection unit.
In the embodiment, the rated current of electrical appliance is less than the rated current for the protection device that external power supply is used.With
The rated power of electrical equipment may be configured as 1000 watts, and this setting can realize that the current difference of live wire ammeter and neutral line current table reaches
20% or so.The too small current difference that can cause between live wire ammeter and neutral line current table of the resistance of electrical appliance is smaller, electricity consumption
The resistance value size of device will consider according to factors such as the voltages of external power supply.
The embodiment, the rated power of the protection device used by the rated power of electrical appliance and external power supply it
Between relation the loop being made up of external power supply, electrical appliance and connector is powered and is run, not because electrical appliance
The protection device for accessing and being used external power supply opens protection, so as to complete the short-circuit detecting to socket line, realizes inspection
Survey convenient and swift, save staff due to the workload taken out stitches and brought repeatedly and time, regular link will not produce gold
Category fatigue.
Alternatively, in the utility model embodiment, the live wire input interface accesses the live wire of external power supply, zero line input
Interface accesses the zero line of external power supply.
In the embodiment, powering usually to handle official business due to socket uses or routine use, therefore external power supply is 220 volts of electricity
Pressure.Live wire input interface and zero line input interface access external power supply, make socket short-circuit detecting device series connection access fault wire
Road.
The embodiment, pass through live wire input interface, zero line input interface access external power supply so that live wire ammeter and
Neutral line current table can be on measure loop electric current, complete the short-circuit detecting to socket line, realize and conveniently detect every
The short-circuit conditions of individual socket line, save staff due to the workload taken out stitches and brought repeatedly and time, regular link
Metal fatigue will not be produced.
A kind of socket short circuit detecting system that the utility model embodiment is provided, including insulation crust and socket short-circuit detecting
Device, the detection circuit is arranged in insulation crust.Wherein, socket short-circuit detecting device is using the short circuit of above-described socket
Detection means, it is possible to achieve the repertoire of socket short-circuit detecting device.
In the embodiment, the dial plate of the live wire ammeter and neutral line current table, and the lamp of indicator lamp are arranged on outside insulation
Outside shell, the electric current value changes for allowing the operator to not open shell and observing live wire ammeter and neutral line current table are indicated
Whether the lamp of lamp lights.
The embodiment, by detecting that circuit is arranged in insulation crust, insulation crust is protected, will not be to reality
The operating personnel for applying detection produce electricity injury, realize the security of detection process and the convenience of detection.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (10)
1. a kind of socket short-circuit detecting device, it is characterised in that it includes detection circuit and connector, the detection circuit includes
Live wire input interface, live wire ammeter, electrical appliance, live wire output interface, zero line input interface, neutral line current table and zero line output
Interface, the live wire input interface is sequentially connected electrically live wire ammeter, electrical appliance and live wire output interface, zero line input interface according to
Secondary connection neutral line current table and zero line output interface, while making the live wire of live wire output interface access socket, zero line output interface
The zero line of socket is accessed, connector is used for the live wire of socket and zero line short circuit.
2. a kind of socket short-circuit detecting device according to claim 1, it is characterised in that the connector insulate for appearance
The wire or plug of built-in protector, zero line and the live wire short circuit of the plug.
3. a kind of socket short-circuit detecting device according to claim 1, it is characterised in that the electrical appliance is resistance.
4. a kind of socket short-circuit detecting device according to claim 3, it is characterised in that the rated power of the electrical appliance
The rated power of the protection device used less than external power supply.
5. a kind of socket short-circuit detecting device according to claim any one of 1-4, it is characterised in that the live wire input
Interface accesses the live wire of external power supply, and zero line input interface accesses the zero line of external power supply.
6. a kind of socket short-circuit detecting device according to claim 5, it is characterised in that the detection circuit also includes disconnected
Road device, the circuit breaker electric is connected between live wire ammeter and electrical appliance.
7. a kind of socket short-circuit detecting device according to claim 6, it is characterised in that the detection circuit also includes referring to
Show lamp, the indicator lamp is in parallel with electrical appliance, one end in parallel is connected to the connecting node between electrical appliance and breaker, in parallel another
One end is connected to the connecting node between electrical appliance and live wire output interface.
8. a kind of socket short circuit detecting system, it is characterised in that it includes the socket short circuit described in any one of claim 1 to 5
Detection means, the system also includes insulation crust, and the detection circuit is arranged in insulation crust.
9. a kind of socket short circuit detecting system according to claim 8, it is characterised in that also including breaker, described disconnected
Road device is electrically connected between live wire ammeter and electrical appliance.
10. a kind of socket short circuit detecting system according to claim 9, it is characterised in that also including indicator lamp, the finger
Show that lamp is in parallel with electrical appliance, one end in parallel is connected to the connecting node between electrical appliance and breaker, the other end in parallel is connected to
Connecting node between electrical appliance and live wire output interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720174759.0U CN206470352U (en) | 2017-02-24 | 2017-02-24 | A kind of socket short-circuit detecting device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720174759.0U CN206470352U (en) | 2017-02-24 | 2017-02-24 | A kind of socket short-circuit detecting device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206470352U true CN206470352U (en) | 2017-09-05 |
Family
ID=59707198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720174759.0U Active CN206470352U (en) | 2017-02-24 | 2017-02-24 | A kind of socket short-circuit detecting device and system |
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| Country | Link |
|---|---|
| CN (1) | CN206470352U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113866686A (en) * | 2021-08-19 | 2021-12-31 | 中车唐山机车车辆有限公司 | AC socket wiring fault detection device |
-
2017
- 2017-02-24 CN CN201720174759.0U patent/CN206470352U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113866686A (en) * | 2021-08-19 | 2021-12-31 | 中车唐山机车车辆有限公司 | AC socket wiring fault detection device |
| CN113866686B (en) * | 2021-08-19 | 2024-01-12 | 中车唐山机车车辆有限公司 | Ac socket wiring fault detector |
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