CN106124918A - Direct current Three-hole socket detection device and detection method - Google Patents
Direct current Three-hole socket detection device and detection method Download PDFInfo
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- CN106124918A CN106124918A CN201610423616.9A CN201610423616A CN106124918A CN 106124918 A CN106124918 A CN 106124918A CN 201610423616 A CN201610423616 A CN 201610423616A CN 106124918 A CN106124918 A CN 106124918A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
- G01R31/68—Testing of releasable connections, e.g. of terminals mounted on a printed circuit board
- G01R31/69—Testing of releasable connections, e.g. of terminals mounted on a printed circuit board of terminals at the end of a cable or a wire harness; of plugs; of sockets, e.g. wall sockets or power sockets in appliances
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Abstract
This application discloses direct current Three-hole socket detection device and detection method.Wherein, described direct current Three-hole socket includes positive pole, negative pole and ground wire.First circuit, described first circuit includes the first end, the second end and the first light emitting diode, wherein, described first light emitting diode is two-color diode, first pole of described first light emitting diode is connected with described positive electrical by described first end, second pole of described first light emitting diode is connected with described negative electricity by described second end, so that described first circuit first light emitting diode described in when forward is connected or reversely connects sends the first coloured light or the second coloured light.The direct current Three-hole socket detection device that this embodiment provides may be used for detecting the wiring condition of direct current Three-hole socket, it is ensured that the safety of the equipment that direct current Three-hole socket connects.
Description
Technical field
The application relates to electrical detection field, is specifically related to direct current Three-hole socket detection device and the detection of direct current Three-hole socket
Method.
Background technology
Owing to DC source stability is preferable, the most increasing equipment uses the mode of direct current supply, such as, service
Device, switch etc., the socket that thus be accordingly used in connection the said equipment is also required to change into accordingly the mode of direct current supply.Generally, for
The safety of protection equipment, needed to detect direct current jack before powering for equipment, but the most existing socket
Jack detector be usually ac detector, mainly for detection of phase line corresponding to three jacks of AC socket, the neutral conductor,
The connected mode of ground wire is the most correct.And direct current Three-hole socket is different from exchange Three-hole socket, three of direct current Three-hole socket insert
Hole is positive pole, negative pole, ground wire, and traditional ac detector cannot detect the company of each jack of Three-hole socket under direct current supply pattern
Connect mode the most correct, accordingly, it would be desirable to a kind of Three-hole socket that can detect under direct current supply pattern is the most in-problem directly
Stream Three-hole socket detection device.
Summary of the invention
The purpose of the application is to propose the direct current Three-hole socket detection device of a kind of improvement and the detection of direct current Three-hole socket
Method, solves the technical problem that background section above is mentioned.
First aspect, this application provides a kind of direct current Three-hole socket detection device, and described direct current Three-hole socket just includes
Pole, negative pole and ground wire, described direct current Three-hole socket detection device includes: the first circuit, described first circuit include the first end, the
Two ends and the first light emitting diode, wherein, described first light emitting diode is two-color diode, described first light emitting diode
The first pole be connected with described positive electrical by described first end, the second pole of described first light emitting diode pass through described second
End is connected with described negative electricity, so that described first circuit first light emitting diode described in when forward is connected or reversely connects is sent out
Go out the first coloured light or the second coloured light.
In certain embodiments, described direct current Three-hole socket detection device also includes: second circuit, described second circuit bag
Including the 3rd end, the 4th end and the second light emitting diode, wherein, the 3rd pole of described second light emitting diode passes through the described 4th
End is electrically connected to ground with described, and the of described second light emitting diode quadrupole is connected with described negative electricity by described 3rd end；
Tertiary circuit, described tertiary circuit includes the 5th end, the 6th end and the 3rd light emitting diode, wherein, described 3rd luminescence two
5th pole of pole pipe is connected with described positive electrical by described 6th end, and the six types of severe debility disease of described 3rd light emitting diode is by described
5th end is electrically connected to ground with described.
In certain embodiments, direct current Three-hole socket detection device also includes the first switch；Described first switch is arranged on
In described second circuit, and described first switch is connected in series with described second light emitting diode；Or described first switch sets
Put in described tertiary circuit, and described first switch is connected in series with described 3rd light emitting diode.
In certain embodiments, described direct current Three-hole socket detection device also includes: the first current-limiting resistance, is arranged on described
In first circuit, described first current-limiting resistance is connected in series with described first Light-Emitting Diode；Second current-limiting resistance, is arranged on institute
Stating in second circuit, described second current-limiting resistance is connected in series with described second Light-Emitting Diode；3rd current-limiting resistance, is arranged on
In described tertiary circuit, described 3rd current-limiting resistance is connected in series with described 3rd Light-Emitting Diode.
Second aspect, this application provides a kind of direct current Three-hole socket detection method, is used for detecting described direct current three hole and inserts
The direct current Three-hole socket detection device of seat includes the first circuit, second circuit and tertiary circuit；Described first circuit includes first
End, the second end and the first light emitting diode, wherein, described first end and the second end respectively with described positive pole and described negative electricity
Connecting, wherein, described first light emitting diode is two-color diode, and the first pole of described first light emitting diode is by described the
One end is connected with described positive electrical, and the second pole of described first light emitting diode is electrically connected with described negative pole by described second end
Connect, so that described first circuit first light emitting diode described in when forward is connected or reversely connects sends the first coloured light or second
Coloured light；Described second circuit includes the 3rd end, the 4th end and the second light emitting diode, wherein, described second light emitting diode
The 3rd pole be electrically connected to ground with described by described 4th end, the of described second light emitting diode is quadrupole by the described 3rd
End is connected with described negative electricity；Described tertiary circuit includes the 5th end, the 6th end and the 3rd light emitting diode, wherein, described
5th pole of the 3rd light emitting diode is connected with described positive electrical by described 6th end, the 6th of described 3rd light emitting diode
Pole is electrically connected to ground with described by described 5th end；Described method includes: by the first end and second end of described first circuit
It is connected with positive pole and the negative electricity of described direct current Three-hole socket respectively；By the 3rd end of described second circuit and the 4th end respectively with
The negative pole of described direct current Three-hole socket and being electrically connected to ground；By the 5th end of described tertiary circuit and the 6th end respectively with described directly
Ground wire and the positive electrical of stream Three-hole socket connect；Luminous according to described first light emitting diode, the second light emitting diode and the 3rd
The luminous situation of diode, determines the testing result of described direct current Three-hole socket.
In certain embodiments, described according to described first light emitting diode, the second light emitting diode and the 3rd luminescence two
The luminous situation of pole pipe, determines the testing result of described direct current Three-hole socket, including: judge described first light emitting diode,
Two light emitting diodes, the 3rd light emitting diode are the most luminous；If, it is determined that described direct current Three-hole socket power-off；If it is not,
Then determine the energising situation of described direct current Three-hole socket.
In certain embodiments, the described energising situation determining described direct current Three-hole socket, including: if described first is luminous
The second coloured light sent out by diode, the second light emitting diode is the most luminous, the 3rd light emitting diode is the most luminous, it is determined that described direct current three hole
Positive pole and the negative pole of socket connect instead；If described first light emitting diode send out the first coloured light, the second lumination of light emitting diode, the 3rd
Optical diode is the most luminous, it is determined that positive pole and the ground wire of described direct current Three-hole socket connect instead；If described first light emitting diode is sent out
First coloured light, the second light emitting diode are the most luminous, the 3rd lumination of light emitting diode, it is determined that the negative pole of described direct current Three-hole socket
Connect instead with ground wire；If described first light emitting diode is the most luminous, the second lumination of light emitting diode, the 3rd light emitting diode are not sent out
Light, it is determined that described direct current Three-hole socket lacks positive pole；If described first light emitting diode is the most luminous, the second light emitting diode not
Luminous, the 3rd lumination of light emitting diode, it is determined that described direct current Three-hole socket lacks negative pole；If described first light emitting diode is sent out
First coloured light, the second lumination of light emitting diode, the 3rd lumination of light emitting diode, it is determined that described direct current Three-hole socket lacks ground wire
Or described direct current Three-hole socket is normal.
In certain embodiments, described direct current Three-hole socket detection device also include being arranged in described second circuit the
One switch, described first switch is connected in series with described second Light-Emitting Diode；If described first light emitting diode sends out
A shade, the second lumination of light emitting diode, the 3rd lumination of light emitting diode, it is determined that described direct current Three-hole socket lack ground wire or
Direct current Three-hole socket described in person is normal, including: disconnect described first switch, if described first light emitting diode send out the first coloured light,
Second light emitting diode is the most luminous, the 3rd lumination of light emitting diode, and the most described direct current Three-hole socket is normal；Disconnect described first to open
Close, if described first light emitting diode sends out the first coloured light, the second light emitting diode is the most luminous, the 3rd light emitting diode is the most luminous,
The most described direct current Three-hole socket lacks ground wire.
In certain embodiments, described direct current Three-hole socket detection device also include being arranged in described tertiary circuit the
One switch, described first switch is connected in series with described 3rd Light-Emitting Diode；If described first light emitting diode sends out
A shade, the second lumination of light emitting diode, the 3rd lumination of light emitting diode, it is determined that described direct current Three-hole socket lack ground wire or
Direct current Three-hole socket described in person is normal, including: disconnect described first switch, if described first light emitting diode send out the first coloured light,
Second lumination of light emitting diode, the 3rd light emitting diode are the most luminous, and the most described direct current Three-hole socket is normal；Disconnect described first to open
Close, if described first light emitting diode sends out the first coloured light, the second light emitting diode is the most luminous, the 3rd light emitting diode is the most luminous,
The most described direct current Three-hole socket lacks ground wire.
In certain embodiments, described direct current Three-hole socket detection device also includes: the first current-limiting resistance, is arranged on described
In first circuit, described first current-limiting resistance is connected in series with described first Light-Emitting Diode；Second current-limiting resistance, is arranged on institute
Stating in second circuit, described second current-limiting resistance is connected in series with described second Light-Emitting Diode；3rd current-limiting resistance, is arranged on
In described tertiary circuit, described 3rd current-limiting resistance is connected in series with described 3rd Light-Emitting Diode.
The direct current Three-hole socket detection device that the application provides, includes the direct current three of positive pole, negative pole and ground wire for detection
Spring hole scoket, the first pole of the first light emitting diode in the first circuit of this detection device is connected with positive electrical by the first end,
Second pole of the first light emitting diode is connected with negative electricity by the second end, so that above-mentioned first circuit is connected or reverse at forward
During connection, the first light emitting diode can send the first coloured light or the second coloured light, and above-mentioned detection device achieves according to first luminous
The luminous situation of diode judges the wiring condition of direct current Three-hole socket, it is ensured that the peace of the equipment that direct current Three-hole socket connects
Entirely.
Accompanying drawing explanation
By the detailed description that non-limiting example is made made with reference to the following drawings of reading, other of the application
Feature, purpose and advantage will become more apparent upon:
Fig. 1 shows the structural representation of an embodiment of the direct current Three-hole socket detection device according to the application；
Fig. 2 shows the structural representation of the another embodiment of the direct current Three-hole socket detection device according to the application；
Fig. 3 shows the flow process 300 of an embodiment of the direct current Three-hole socket detection method according to the application；
Fig. 4 shows the flow chart 400 of the another embodiment of the direct current Three-hole socket detection method according to the application；
Fig. 5 A-Fig. 5 I show direct current Three-hole socket different connect in the case of in direct current Three-hole socket detection device each
The luminance of light diode.
Detailed description of the invention
With embodiment, the application is described in further detail below in conjunction with the accompanying drawings.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to this invention.It also should be noted that, in order to
It is easy to describe, accompanying drawing illustrate only the part relevant to about invention.
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Combination mutually.Describe the application below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Fig. 1 shows the structural representation of an embodiment of the direct current Three-hole socket detection device according to the application.Such as figure
Shown in, direct current Three-hole socket includes positive pole P, negative pole N and ground wire G, and the direct current Three-hole socket detection device of the application includes first
Circuit, this first circuit includes the first end S11, the second end S12 and the first light emitting diode L11.
In the present embodiment, first pole 1 of the first light emitting diode L11 in above-mentioned first circuit is by above-mentioned first end
S11 electrically connects with positive pole P, and second pole 2 of above-mentioned first Light-Emitting Diode L11 is electrically connected with negative pole N by above-mentioned second end S12
Connect.It should be noted that above-mentioned first light emitting diode L11 can be two-color diode, including the first sub-Light-Emitting Diode
L111 and the second sub-light emitting diode L112, as shown in Figure 1.When the magnitude of voltage of the first end S11 of above-mentioned first circuit is higher than upper
When stating the magnitude of voltage of the second end S12 and above-mentioned first circuit forward connected, first in above-mentioned first Light-Emitting Diode L11
Sub-Light-Emitting Diode L111 turns on so that this first sub-Light-Emitting Diode L111 sends the first coloured light.When above-mentioned first circuit
When the magnitude of voltage of the first end S11 makes above-mentioned first circuit reversely connect less than the magnitude of voltage of above-mentioned second end S12, above-mentioned the
The second sub-Light-Emitting Diode L112 conducting in one Light-Emitting Diode L11 so that this second sub-Light-Emitting Diode L112 sends the
Dichroscope, this second coloured light is different from above-mentioned first coloured light color.
In some optional implementations of the present embodiment, above-mentioned direct current Three-hole socket detection device can also include the
Two circuit and tertiary circuit.This second circuit can include the 3rd end S13, the 4th end S14 and the second light emitting diode L12,
3rd pole 3 of this second light emitting diode L12 is electrically connected with above-mentioned ground wire G by above-mentioned 4th end S14, above-mentioned second luminescence two
The quadrupole 4th of pole pipe L12 is electrically connected with above-mentioned negative pole N by above-mentioned 3rd end S13.Above-mentioned tertiary circuit can include the 5th end
S15, the 6th end S16 and the 3rd light emitting diode L13, the 5th pole 5 of the 3rd light emitting diode L13 is by above-mentioned 6th end
S16 electrically connects with above-mentioned positive pole P, the six types of severe debility disease of above-mentioned 3rd light emitting diode L13 6 by above-mentioned 5th end S15 with above-mentionedly
Line G electrically connects.
In some optional implementations of the present embodiment, above-mentioned direct current Three-hole socket detection device can also include the
One current-limiting resistance R11, the second current-limiting resistance R12 and the 3rd current-limiting resistance R13.Above-mentioned first current-limiting resistance R11 can be arranged on
In above-mentioned first circuit, and this first current-limiting resistance R11 is connected in series with above-mentioned first light emitting diode L11；Above-mentioned second
Current-limiting resistance R12 can be arranged in above-mentioned second circuit, and this second current-limiting resistance R12 and above-mentioned second light emitting diode
L12 is connected in series；Above-mentioned 3rd current-limiting resistance R13 can be arranged in above-mentioned tertiary circuit, and the 3rd current-limiting resistance R13
It is connected in series, as shown in Figure 1 with above-mentioned 3rd light emitting diode L13.Here, the first current-limiting resistance R11, the second current-limiting resistance
R12 and the 3rd current-limiting resistance R13 is respectively used to limit above-mentioned first circuit, second circuit and the electric current of tertiary circuit, prevents electricity
Flow through big damage above-mentioned first light emitting diode L11, the second light emitting diode L12 and the 3rd light emitting diode L13.
Generally, current-limiting resistance R can determine according to conducting voltage UF of light emitting diode and operating current IF,Wherein U is the magnitude of voltage between two jacks of direct current jack.Such as, the operating current IF of Light-Emitting Diode needs
5mA≤IF to be met≤20mA, conducting voltage UF needs to meet UF=2V, then current-limiting resistance needs to meetIt is thus known that above-mentioned first light emitting diode L11, the second light emitting diode L12 and the 3rd luminescence
The operating current of diode L13 and conducting voltage, and above-mentioned first light emitting diode L11, the second light emitting diode L12 and
The both end voltage value of three light emitting diode L13, can determine above-mentioned first current-limiting resistance R11, the second current limliting according to above-mentioned formula
Resistance R12 and the resistance value of the 3rd current-limiting resistance R13.
The direct current Three-hole socket detection device that above-described embodiment of the application provides, can be according to above-mentioned first light-emitting diodes
Pipe L11, the luminous situation of the second light emitting diode L12 and the 3rd light emitting diode L13 judge connecing of above-mentioned direct current Three-hole socket
Line situation, to ensure the safety of equipment that this direct current Three-hole socket connects.
Please continue to refer to Fig. 2, it illustrates the another embodiment of direct current Three-hole socket detection device according to the application
Structural representation.As it can be seen, the present embodiment direct current Three-hole socket detection device can include the first light emitting diode L21,
Second light emitting diode L22, the 3rd light emitting diode L23, the first current-limiting resistance R21, the second current-limiting resistance R22, the 3rd current limliting
Resistance R23, and the first switch K1.
In the present embodiment, above-mentioned first switch K1 can be arranged on the 3rd electricity of above-mentioned direct current Three-hole socket detection device
Lu Zhong, as shown in Figure 2.It is opened or closed above-mentioned first switch K1 and can more accurately judge connecing of above-mentioned direct current Three-hole socket
Understanding and considerate condition.Such as, when above-mentioned first switchs K1 Guan Bi, if above-mentioned first Light-Emitting Diode L21 sends out the first coloured light, and second
Optical diode L22 and the 3rd light emitting diode L23 is the most luminous, then just may determine that the energising of above-mentioned direct current Three-hole socket and polarity
Often or lack ground wire, the connection feelings disconnecting above-mentioned first switch K1 further to above-mentioned direct current Three-hole socket are now also needed to
Condition judges, if above-mentioned first Light-Emitting Diode L21 sends out the first coloured light, the second light-emitting diodes after disconnecting above-mentioned first switch K1
Pipe L22 is luminous and the 3rd light emitting diode L23 is the most luminous, then may determine that the energising of above-mentioned direct current Three-hole socket and polarity are normal,
If above-mentioned first Light-Emitting Diode L21 sends out the first coloured light, the second light emitting diode L22 and the 3rd after disconnecting above-mentioned first switch K1
Light emitting diode L23 is the most luminous, then may determine that the energising of above-mentioned direct current Three-hole socket and lack ground wire.
In some optional implementations of the present embodiment, above-mentioned first switch K1 can also be arranged on above-mentioned second electricity
Lu Zhong, and this first switch K1 be connected in series with above-mentioned second light emitting diode L22.
The direct current Three-hole socket detection device that above-described embodiment of the application provides, according to disconnecting and can close above-mentioned the
The one switch above-mentioned first Light-Emitting Diode L21 of K1 sends out the first coloured light, the second light emitting diode L22 and the 3rd light emitting diode L23
Luminous situation, judge the connection situation of direct current Three-hole socket more accurately.
Referring next to Fig. 3, it illustrates an embodiment of direct current Three-hole socket detection method according to the application
Flow process 300.In the direct current Three-hole socket detection method of the present embodiment, for detecting the direct current three of above-mentioned direct current Three-hole socket
Spring hole scoket detection device includes such as the first circuit, second circuit and the tertiary circuit shown in Fig. 1.
In the present embodiment, above-mentioned first circuit includes the first end S11, the second end S12 and the first light emitting diode
L11, the first light emitting diode L11 here is two-color diode, and first pole 1 of this first light emitting diode L11 is by above-mentioned
First end S11 electrically connects with above-mentioned positive pole P, second pole 2 of above-mentioned first light emitting diode L11 by above-mentioned second end S12 with
Above-mentioned negative pole N electrically connects, so that above-mentioned first circuit above-mentioned first light emitting diode L11 when forward is connected or reversely connects sends out
Go out the first coloured light or the second coloured light.Above-mentioned second circuit includes the 3rd end S13, the 4th end S14 and the second light emitting diode
3rd pole 3 of L12, this second light emitting diode L12 is electrically connected with above-mentioned ground wire G by above-mentioned 4th end S14, above-mentioned second
The quadrupole 4th of optical diode L12 is electrically connected with above-mentioned negative pole N by above-mentioned 3rd end S13.Above-mentioned tertiary circuit includes the 5th end
S15, the 6th end S16 and the 3rd light emitting diode L13, the 5th pole 5 of the 3rd light emitting diode L13 is by above-mentioned 6th end
S16 electrically connects with above-mentioned positive pole P, the six types of severe debility disease of above-mentioned 3rd light emitting diode L13 6 by above-mentioned 5th end S15 with above-mentionedly
Line G electrically connects.The method using above-mentioned direct current Three-hole socket detection device to detect above-mentioned direct current Three-hole socket comprises the following steps:
Step 301, by the first end of the first circuit and the second end, positive pole and negative pole with direct current Three-hole socket is electrically connected respectively
Connect.
In the present embodiment, the first end S11 of above-mentioned first circuit electrically connects with the positive pole P of direct current Three-hole socket, above-mentioned
Second end S12 of the first circuit electrically connects with the negative pole N of direct current Three-hole socket, so that above-mentioned first circuit can be connected to above-mentioned
Between positive pole and the negative pole of direct current jack.Afterwards, by the luminescence of the first light emitting diode L11 in above-mentioned first circuit whether
And glow color judges the connection situation of this direct current Three-hole socket.
Step 302, by the 3rd end of second circuit and the 4th end, negative pole and ground wire with direct current Three-hole socket is electrically connected respectively
Connect.
In the present embodiment, the 3rd end S13 of above-mentioned second circuit electrically connects with the negative pole N of direct current Three-hole socket, above-mentioned
4th end S14 of second circuit electrically connects with the ground wire G of direct current Three-hole socket, so that above-mentioned second circuit can be connected to above-mentioned
Between negative pole and the ground wire of direct current jack.Afterwards, by the luminescence of the first light emitting diode L11 in above-mentioned first circuit whether
And whether the luminescence of the second light emitting diode L12 in glow color, and above-mentioned second circuit judges above-mentioned direct current three hole
The connection situation of socket.
Step 303, by the 5th end of tertiary circuit and the 6th end, ground wire and positive pole with direct current Three-hole socket is electrically connected respectively
Connect.
In the present embodiment, the 5th end S15 of above-mentioned tertiary circuit electrically connects with the ground wire G of direct current Three-hole socket, above-mentioned
6th end S16 of second circuit electrically connects with the positive pole P of direct current Three-hole socket, so that above-mentioned tertiary circuit can be connected to above-mentioned
Between ground wire and the positive pole of direct current jack.Afterwards, by the luminescence of the first light emitting diode L11 in above-mentioned first circuit whether
And glow color, whether the luminescence of the second light emitting diode L12 in above-mentioned second circuit to be, and the 3rd in tertiary circuit
Whether the luminescence of light emitting diode L13 judges the connection situation of above-mentioned direct current Three-hole socket.
Step 304, according to the first light emitting diode, the second light emitting diode and the luminous situation of the 3rd light emitting diode,
Determine the testing result of direct current Three-hole socket.
In the present embodiment, it is connected to above-mentioned direct current three hole when above-mentioned first circuit, second circuit and tertiary circuit
Time between the positive pole P of socket, negative pole N and ground wire G, according to the luminescence of above-mentioned first Light-Emitting Diode L11 whether and luminous face
Color, the second light emitting diode L12 luminescence whether with the 3rd light emitting diode L13 luminescence whether, the first light emitting diode L11,
Can there is different luminous situation combinations, variant luminous situation group in two light emitting diode L12 and the 3rd Light-Emitting Diode L13
Conjunction the corresponding positive pole of direct current Three-hole socket, negative pole can connect situation with the different of ground wire, finally determines that above-mentioned direct current three hole is inserted
The testing result of seat.
In some optional implementations of the present embodiment, also wrap for detecting the detection device of direct current Three-hole socket
Include: the first current-limiting resistance R11 being arranged in the first circuit, the second current-limiting resistance R12 being arranged in second circuit, be arranged on
The 3rd current-limiting resistance R13 in tertiary circuit.Here, the first current-limiting resistance R11 and the first Light-Emitting Diode L11 is connected in series,
Second current-limiting resistance R12 and the second Light-Emitting Diode L12 is connected in series, the 3rd current-limiting resistance R13 and the 3rd Light-Emitting Diode L13
It is connected in series.
Please continue to refer to Fig. 4, it illustrates the another embodiment of direct current Three-hole socket detection method according to the application
Flow chart 400.As it can be seen, in the direct current Three-hole socket detection method of the present embodiment, use such as shown in Fig. 1 or Fig. 2
Direct current Three-hole socket detection device detection direct current Three-hole socket, the detection method of the direct current Three-hole socket of the present embodiment includes following
Step:
Step 401, by the first end of the first circuit and the second end, positive pole and negative pole with direct current Three-hole socket is electrically connected respectively
Connect.
In the present embodiment, the first end S11 of above-mentioned first circuit electrically connects with the positive pole P of direct current Three-hole socket, above-mentioned
Second end S12 of the first circuit electrically connects with the negative pole N of direct current Three-hole socket, so that above-mentioned first circuit can be connected to above-mentioned
Between positive pole and the negative pole of direct current jack.
Step 402, by the 3rd end of second circuit and the 4th end, negative pole and ground wire with direct current Three-hole socket is electrically connected respectively
Connect.
In the present embodiment, the 3rd end S13 of above-mentioned second circuit electrically connects with the negative pole N of direct current Three-hole socket, above-mentioned
4th end S14 of second circuit electrically connects with the ground wire G of direct current Three-hole socket, so that above-mentioned second circuit can be connected to above-mentioned
Between negative pole and the ground wire of direct current jack.
Step 403, by the 5th end of tertiary circuit and the 6th end, ground wire and positive pole with direct current Three-hole socket is electrically connected respectively
Connect.
In the present embodiment, the 5th end S15 of above-mentioned tertiary circuit electrically connects with the ground wire G of direct current Three-hole socket, above-mentioned
6th end S16 of second circuit electrically connects with the positive pole P of direct current Three-hole socket, so that above-mentioned tertiary circuit can be connected to above-mentioned
Between ground wire and the positive pole of direct current jack.
Step 404, it is judged that the first light emitting diode, the second light emitting diode, the 3rd light emitting diode are the most luminous.
In the present embodiment, it is connected to above-mentioned direct current Three-hole socket when above-mentioned first circuit, second circuit and tertiary circuit
Positive pole P, negative pole N and ground wire G between time so that above-mentioned first circuit, second circuit and tertiary circuit can be energized.Sentence afterwards
Disconnected above-mentioned first light emitting diode L11, the second light emitting diode L12 and the 3rd Light-Emitting Diode L13 are the most luminous.If
Above-mentioned first light emitting diode L11, the second light emitting diode L12 and the 3rd Light-Emitting Diode L13 are the most luminous, then can forward to
Step 405.If above-mentioned first light emitting diode L11, the second light emitting diode L12 and the 3rd Light-Emitting Diode L13 existed
At least one is luminous, then can forward step 406 to.
Step 405, determines direct current Three-hole socket power-off.
In the present embodiment, the above-mentioned first light emitting diode L11 that judges based on step 404, the second light emitting diode
L12 and the 3rd Light-Emitting Diode L13 is the most luminous, then may determine that the first circuit, second circuit and the tertiary circuit at its place
All it is not powered on, i.e. may determine that above-mentioned direct current Three-hole socket power-off.
Step 406, determines the energising situation of direct current Three-hole socket.
In the present embodiment, the above-mentioned first light emitting diode L11 that judges based on step 404, the second light emitting diode
L12 and the 3rd Light-Emitting Diode L13 exists at least one luminous, then may determine that above-mentioned direct current Three-hole socket is energized, then
Can continue to determine that in this direct current Three-hole socket, positive pole P, negative pole N connect situation with ground wire G's.
In the present embodiment, when the sub-light emitting diode L112 of second in above-mentioned first light emitting diode send out the second coloured light,
When second light emitting diode L12 is the most luminous, the 3rd light emitting diode L13 is the most luminous, it may be determined that above-mentioned first Light-Emitting Diode
L11 reverse-conducting, and the second light emitting diode L12 and the 3rd light emitting diode L13 does not turns on, it can be seen that, direct current three hole is inserted
The positive pole P and negative pole N of seat energising and direct current Three-hole socket connect instead, as shown in Figure 5A, it illustrates the positive pole P of direct current Three-hole socket
The luminance of each Light-Emitting Diode in direct current Three-hole socket detection device shown in Fig. 1 in the case of connecing instead with negative pole N.
In the present embodiment, when the sub-light emitting diode L111 of first in above-mentioned first light emitting diode send out the first coloured light,
When second light emitting diode L12 is luminous, the 3rd light emitting diode L13 is the most luminous, it may be determined that above-mentioned first Light-Emitting Diode L11
Forward conduction, the second light emitting diode L12 conducting, the 3rd light emitting diode L13 does not turns on, it can be seen that, direct current Three-hole socket
Energising and the positive pole P and ground wire G of direct current Three-hole socket connect instead, as shown in Figure 5 B, it illustrates the positive pole P of direct current Three-hole socket with
In the case of ground wire G connects instead, the direct current Three-hole socket shown in Fig. 1 detects the luminance of each Light-Emitting Diode in device.
In the present embodiment, when the sub-light emitting diode L111 of first in above-mentioned first light emitting diode send out the first coloured light,
Second light emitting diode L12 is the most luminous, the 3rd light emitting diode L13 luminescence time, it may be determined that above-mentioned first Light-Emitting Diode L11
Forward conduction, the second light emitting diode L12 does not turns on, above-mentioned 3rd light emitting diode L13 conducting, it can be seen that, direct current three hole
The negative pole N and ground wire G of socket energising and direct current Three-hole socket connect instead, as shown in Figure 5 C, it illustrates the negative of direct current Three-hole socket
In the case of pole N and ground wire G connects instead, the direct current Three-hole socket shown in Fig. 1 detects the luminance of each Light-Emitting Diode in device.
In the present embodiment, when above-mentioned first light emitting diode L11 is the most luminous, the second light emitting diode L12 luminous, the 3rd
When light emitting diode L13 is the most luminous, it may be determined that above-mentioned first Light-Emitting Diode L11 and the 3rd light emitting diode L13 does not turns on,
Above-mentioned second light emitting diode L12 conducting, it can be seen that, the energising of direct current Three-hole socket and direct current Three-hole socket lack positive pole P, as
Shown in Fig. 5 D, it illustrates the direct current Three-hole socket shown in Fig. 1 in the case of direct current Three-hole socket lacks positive pole P and detect in device
The luminance of each Light-Emitting Diode.
In the present embodiment, when above-mentioned first light emitting diode L11 is the most luminous, the second light emitting diode L12 is the most luminous,
During three light emitting diode L13 luminescences, it may be determined that above-mentioned first Light-Emitting Diode L11 and the second light emitting diode L12 does not turns on,
Above-mentioned 3rd light emitting diode L13 conducting, it can be seen that, the energising of direct current Three-hole socket and direct current Three-hole socket lack negative pole N, as
Shown in Fig. 5 E, it illustrates the direct current Three-hole socket shown in Fig. 1 in the case of direct current Three-hole socket lacks negative pole N and detect in device
The luminance of each Light-Emitting Diode.
In the present embodiment, when the sub-light emitting diode L111 of first in above-mentioned first light emitting diode send out the first coloured light,
When the second light emitting diode L12 luminescence, the 3rd light emitting diode L13 luminescence, it may be determined that above-mentioned first Light-Emitting Diode L11 is just
To conducting, the second light emitting diode L12 and the 3rd light emitting diode L13 is also switched on, it may be determined that direct current Three-hole socket energising and
Direct current Three-hole socket lacks ground wire G, as illustrated in figure 5f, it illustrates direct current Three-hole socket and lacks in the case of ground wire G shown in Fig. 1
Direct current Three-hole socket detection device in the luminance of each Light-Emitting Diode.Or this direct current Three-hole socket is normal, such as Fig. 5 G
Shown in, it illustrates each light-emitting diode in the direct current Three-hole socket direct current Three-hole socket detection device shown in Fig. 1 under normal circumstances
The luminance of pipe.Now need the connection situation continuing to judge above-mentioned direct current Three-hole socket.
In some optional implementations of the present embodiment, the above-mentioned detection device for detecting direct current Three-hole socket is also
Including the first switch K1, and this first switch K1 can be arranged in the tertiary circuit of above-mentioned detection device, luminous with the 3rd
Diode L23 is connected in series, as shown in Figure 2.When the sub-light emitting diode L211 of first in above-mentioned first light emitting diode sends out
A shade, the second light emitting diode L22 are luminous, the 3rd light emitting diode L23 luminescence determines the energising of direct current Three-hole socket and direct current
Three-hole socket lack ground wire G or this direct current Three-hole socket normal time, disconnect above-mentioned first switch K1, continue judge above-mentioned direct current
The situation of specifically connecting of Three-hole socket.When the sub-light emitting diode L211 of first in above-mentioned first light emitting diode sends out the first color
Light, the second light emitting diode L22 is luminous, the 3rd light emitting diode L23 is the most luminous, as illustrated in fig. 5h, then may determine that above-mentioned directly
Stream Three-hole socket is normal.When above-mentioned first sub-light emitting diode L211 send out the first coloured light, the second light emitting diode L22 the most luminous,
3rd light emitting diode L23 is the most luminous, as shown in fig. 5i, then may determine that above-mentioned direct current Three-hole socket lacks ground wire.
In some optional implementations of the present embodiment, in the above-mentioned detection device for detecting direct current Three-hole socket
First switch K1 can also be arranged in the second circuit of this detection device, be connected in series with the 3rd light emitting diode L23.When
The first sub-light emitting diode L211 in above-mentioned first light emitting diode send out the first coloured light, the second light emitting diode L22 luminous, the
Three light emitting diode L23 luminescences determine that the energising of direct current Three-hole socket and direct current Three-hole socket lack ground wire G or this direct current three hole
When socket is normal, disconnects above-mentioned first switch K1, continue to judge the situation of specifically connecting of above-mentioned direct current Three-hole socket.When above-mentioned
The first sub-light emitting diode L211 in one light emitting diode send out the first coloured light, the second light emitting diode L22 the most luminous, the 3rd
Optical diode L23 is luminous, then may determine that above-mentioned direct current Three-hole socket is normal.When the first son in above-mentioned first light emitting diode
Light emitting diode L211 sends out the first coloured light, and the second light emitting diode L22 and the 3rd light emitting diode L23 is the most luminous, the most permissible
Determine that above-mentioned direct current Three-hole socket lacks ground wire.
The direct current Three-hole socket detection method that above-described embodiment of the application provides, detects device by direct current Three-hole socket
In the first light emitting diode, the second light emitting diode and the different luminances of the 3rd light emitting diode, corresponding direct current three hole is inserted
Seat different connection situations, can detect accurately above-mentioned direct current Three-hole socket positive pole, negative pole and ground wire connect situation.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that invention scope involved in the application, however it is not limited to the technology of the particular combination of above-mentioned technical characteristic
Scheme, also should contain in the case of without departing from described inventive concept simultaneously, above-mentioned technical characteristic or its equivalent feature carry out
Combination in any and other technical scheme of being formed.Such as features described above has similar merit with (but not limited to) disclosed herein
The technical scheme that the technical characteristic of energy is replaced mutually and formed.
Claims (10)
1. a direct current Three-hole socket detection device, described direct current Three-hole socket includes positive pole, negative pole and ground wire, and its feature exists
In, described direct current Three-hole socket detection device includes:
First circuit, described first circuit includes the first end, the second end and the first light emitting diode, wherein, described first
Optical diode is two-color diode, and the first pole of described first light emitting diode is electrically connected with described positive pole by described first end
Connecing, the second pole of described first light emitting diode is connected with described negative electricity by described second end, so that described first circuit
First light emitting diode described in when forward is connected or reversely connects sends the first coloured light or the second coloured light.
Direct current Three-hole socket the most according to claim 1 detection device, it is characterised in that also include:
Second circuit, described second circuit includes the 3rd end, the 4th end and the second light emitting diode, wherein, described second
3rd pole of optical diode is electrically connected to ground with described by described 4th end, and the of described second light emitting diode quadrupole passes through
Described 3rd end is connected with described negative electricity；
Tertiary circuit, described tertiary circuit includes the 5th end, the 6th end and the 3rd light emitting diode, wherein, described 3rd
5th pole of optical diode is connected with described positive electrical by described 6th end, and the six types of severe debility disease of described 3rd light emitting diode is passed through
Described 5th end is electrically connected to ground with described.
Direct current Three-hole socket the most according to claim 2 detection device, it is characterised in that also include the first switch；
Described first switch is arranged in described second circuit, and described first switch is connected with described second light emitting diode even
Connect；Or
Described first switch is arranged in described tertiary circuit, and described first switch is connected with described 3rd light emitting diode even
Connect.
Direct current Three-hole socket the most according to claim 3 detection device, it is characterised in that also include:
First current-limiting resistance, is arranged in described first circuit, described first current-limiting resistance and described first Light-Emitting Diode string
Connection connects；
Second current-limiting resistance, is arranged in described second circuit, described second current-limiting resistance and described second Light-Emitting Diode string
Connection connects；
3rd current-limiting resistance, is arranged in described tertiary circuit, described 3rd current-limiting resistance and described 3rd Light-Emitting Diode string
Connection connects.
5. a direct current Three-hole socket detection method, it is characterised in that for detecting direct current three hole of described direct current Three-hole socket
Socket detection device includes the first circuit, second circuit and tertiary circuit；
Described first circuit includes the first end, the second end and the first light emitting diode, and wherein, described first light emitting diode is
Two-color diode, the first pole of described first light emitting diode is connected with described positive electrical by described first end, and described first
Second pole of light emitting diode is connected with described negative electricity by described second end so that described first circuit in forward connection or
First light emitting diode described in when reversely connecting sends the first coloured light or the second coloured light；
Described second circuit includes the 3rd end, the 4th end and the second light emitting diode, wherein, described second light emitting diode
3rd pole is electrically connected to ground with described by described 4th end, and the of described second light emitting diode is quadrupole by described 3rd end
It is connected with described negative electricity；
Described tertiary circuit includes the 5th end, the 6th end and the 3rd light emitting diode, wherein, described 3rd light emitting diode
5th pole is connected with described positive electrical by described 6th end, and the six types of severe debility disease of described 3rd light emitting diode passes through described 5th end
It is electrically connected to ground with described；
Described method includes:
First end and second end of described first circuit are connected with positive pole and the negative electricity of described direct current Three-hole socket respectively；
By the 3rd end of described second circuit and the 4th end respectively with the negative pole of described direct current Three-hole socket and being electrically connected to ground；
5th end and the 6th end of described tertiary circuit are connected with ground wire and the positive electrical of described direct current Three-hole socket respectively；
According to described first light emitting diode, the second light emitting diode and the luminous situation of the 3rd light emitting diode, determine described
The testing result of direct current Three-hole socket.
Direct current Three-hole socket detection method the most according to claim 5, it is characterised in that described luminous according to described first
Diode, the second light emitting diode and the luminous situation of the 3rd light emitting diode, determine the detection knot of described direct current Three-hole socket
Really, including:
Judge that described first light emitting diode, the second light emitting diode, the 3rd light emitting diode are the most luminous；
If, it is determined that described direct current Three-hole socket power-off；
If not, it is determined that the energising situation of described direct current Three-hole socket.
Direct current Three-hole socket detection method the most according to claim 6, it is characterised in that described determine described direct current three hole
The energising situation of socket, including:
If described first light emitting diode sends out the second coloured light, the second light emitting diode is the most luminous, the 3rd light emitting diode is the most luminous,
Then determine that positive pole and the negative pole of described direct current Three-hole socket connect instead；
If it is the most luminous, then that described first light emitting diode sends out the first coloured light, the second lumination of light emitting diode, the 3rd light emitting diode
Determine that positive pole and the ground wire of described direct current Three-hole socket connect instead；
If described first light emitting diode is sent out, the first coloured light, the second light emitting diode be the most luminous, the 3rd lumination of light emitting diode, then
Determine that negative pole and the ground wire of described direct current Three-hole socket connect instead；
If described first light emitting diode is the most luminous, the second lumination of light emitting diode, the 3rd light emitting diode are the most luminous, it is determined that
Described direct current Three-hole socket lacks positive pole；
If described first light emitting diode is the most luminous, the second light emitting diode is the most luminous, the 3rd lumination of light emitting diode, it is determined that
Described direct current Three-hole socket lacks negative pole；
If described first light emitting diode sends out the first coloured light, the second lumination of light emitting diode, the 3rd lumination of light emitting diode, the most really
Fixed described direct current Three-hole socket lacks ground wire or described direct current Three-hole socket is normal.
Direct current Three-hole socket detection method the most according to claim 7, it is characterised in that described direct current Three-hole socket detects
Device also includes that the first switch being arranged in described second circuit, described first switch are connected with described second Light-Emitting Diode
Connect；
If described first light emitting diode sends out the first coloured light, the second lumination of light emitting diode, the 3rd lumination of light emitting diode,
Then determine that described direct current Three-hole socket lacks ground wire or described direct current Three-hole socket is normal, including:
Disconnect described first switch, if described first light emitting diode send out the first coloured light, the second light emitting diode the most luminous, the 3rd
Lumination of light emitting diode, the most described direct current Three-hole socket is normal；
Disconnect described first switch, if described first light emitting diode send out the first coloured light, the second light emitting diode the most luminous, the 3rd
Light emitting diode is the most luminous, and the most described direct current Three-hole socket lacks ground wire.
Direct current Three-hole socket detection method the most according to claim 7, it is characterised in that described direct current Three-hole socket detects
Device also includes that the first switch being arranged in described tertiary circuit, described first switch are connected with described 3rd Light-Emitting Diode
Connect；
If described first light emitting diode sends out the first coloured light, the second lumination of light emitting diode, the 3rd lumination of light emitting diode,
Then determine that described direct current Three-hole socket lacks ground wire or described direct current Three-hole socket is normal, including:
Disconnect described first switch, if described first light emitting diode send out the first coloured light, the second lumination of light emitting diode, the 3rd
Optical diode is the most luminous, and the most described direct current Three-hole socket is normal；
Disconnect described first switch, if described first light emitting diode send out the first coloured light, the second light emitting diode the most luminous, the 3rd
Light emitting diode is the most luminous, and the most described direct current Three-hole socket lacks ground wire.
Direct current Three-hole socket detection method the most according to claim 5, it is characterised in that described direct current Three-hole socket is examined
Survey device also to include:
First current-limiting resistance, is arranged in described first circuit, described first current-limiting resistance and described first Light-Emitting Diode string
Connection connects；
Second current-limiting resistance, is arranged in described second circuit, described second current-limiting resistance and described second Light-Emitting Diode string
Connection connects；
3rd current-limiting resistance, is arranged in described tertiary circuit, described 3rd current-limiting resistance and described 3rd Light-Emitting Diode string
Connection connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610423616.9A CN106124918A (en) | 2016-06-14 | 2016-06-14 | Direct current Three-hole socket detection device and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610423616.9A CN106124918A (en) | 2016-06-14 | 2016-06-14 | Direct current Three-hole socket detection device and detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106124918A true CN106124918A (en) | 2016-11-16 |
Family
ID=57270871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610423616.9A Pending CN106124918A (en) | 2016-06-14 | 2016-06-14 | Direct current Three-hole socket detection device and detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106124918A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021258731A1 (en) * | 2020-06-24 | 2021-12-30 | 优利德科技(中国)股份有限公司 | Ground wire and neutral line abnormity detection method and device, |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2103819U (en) * | 1991-09-28 | 1992-05-06 | 上海金山工业设备安装联营公司 | Tester for single-phase three-hole socket |
| CN2136478Y (en) * | 1992-07-09 | 1993-06-16 | 陈缵光 | Multifunctional electroscope |
| CN2152317Y (en) * | 1993-06-17 | 1994-01-05 | 朱深山 | Three pole safety plug for circuit on-and-off test |
| GB2366675A (en) * | 2000-09-07 | 2002-03-13 | Kew Technik Ltd | Removable electric mains socket tester |
| US20050035767A1 (en) * | 2003-08-11 | 2005-02-17 | Hardy William Dean | Plug detector for an electrical test instrument |
| CN201255758Y (en) * | 2008-08-15 | 2009-06-10 | 虞幸福 | Single phase AC power socket circuit detecting device |
| CN103454551A (en) * | 2013-09-09 | 2013-12-18 | 黄宇嵩 | Three-hole power socket fault detector |
| CN204422694U (en) * | 2015-02-17 | 2015-06-24 | 金�雨 | A kind of New single-phase Three-hole socket testing circuit |
-
2016
- 2016-06-14 CN CN201610423616.9A patent/CN106124918A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2103819U (en) * | 1991-09-28 | 1992-05-06 | 上海金山工业设备安装联营公司 | Tester for single-phase three-hole socket |
| CN2136478Y (en) * | 1992-07-09 | 1993-06-16 | 陈缵光 | Multifunctional electroscope |
| CN2152317Y (en) * | 1993-06-17 | 1994-01-05 | 朱深山 | Three pole safety plug for circuit on-and-off test |
| GB2366675A (en) * | 2000-09-07 | 2002-03-13 | Kew Technik Ltd | Removable electric mains socket tester |
| US20050035767A1 (en) * | 2003-08-11 | 2005-02-17 | Hardy William Dean | Plug detector for an electrical test instrument |
| CN201255758Y (en) * | 2008-08-15 | 2009-06-10 | 虞幸福 | Single phase AC power socket circuit detecting device |
| CN103454551A (en) * | 2013-09-09 | 2013-12-18 | 黄宇嵩 | Three-hole power socket fault detector |
| CN204422694U (en) * | 2015-02-17 | 2015-06-24 | 金�雨 | A kind of New single-phase Three-hole socket testing circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021258731A1 (en) * | 2020-06-24 | 2021-12-30 | 优利德科技(中国)股份有限公司 | Ground wire and neutral line abnormity detection method and device, |
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Application publication date: 20161116 |