CN206114743U - Power supply unit and distribution device - Google Patents
Power supply unit and distribution device Download PDFInfo
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- CN206114743U CN206114743U CN201620832963.2U CN201620832963U CN206114743U CN 206114743 U CN206114743 U CN 206114743U CN 201620832963 U CN201620832963 U CN 201620832963U CN 206114743 U CN206114743 U CN 206114743U
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Abstract
The utility model discloses a power supply unit and distribution device, adopt two the 1st current transformer measure three -phase AC power supply system respectively in among arbitrary two -phase alternating current's the measurement circuit, increased the 2nd current transformer that three measurement accuracy is higher than a current transformer to the two three current transformer's of increase secondary side can be passed through respectively, for the load provides three -phase alternating current stream, and then the user demand of load has been satisfied. And, can select three impedance the 2nd less current transformer, it is less to two the 1st current transformer's measurement accuracy and sensitivity influence like this, and then, when guaranteeing as far as possible that measurement accuracy and sensitivity are not influenced, for the load provides three -phase alternating current stream, satisfied the user demand of load.
Description
Technical field
This utility model is related to technical field of electric power, more particularly to a kind of electric supply installation and power distribution equipment.
Background technology
For a long time, in 35KV and following small current neutral grounding system, such as：Isolated neutral system and through extinguishing arc
Coil earthed system, generally adopts the biphase current transformer V/V type modes of connection (i.e. biphase incomplete star connection mode).Ginseng
Read shown in Fig. 1, the mode of connection is that A, C are biphase to be consisted of back respective current transformer and ammeter and the neutral conductor respectively
Road, forms anti-phase B phase currents with the biphase resultant current of A, C, and accesses on the neutral conductor for measuring the electric current of B phase currents
Table, so as to distinguishing corresponding ammeter by using A, B, C three-phase current, completing current measurement.
In practical application, most of novel devices generally will use three-phase alternating current, but, it is existing using it is biphase not
The power distribution cabinet of complete star connection mode cannot meet the use demand of most of novel devices, can only be right after power failure is processed
Existing power distribution cabinet is transformed, and could be passed through improved power distribution cabinet and be provided three-phase alternating current for novel device.
Specifically, in actual applications, may also need to provide three-phase alternating current for novel device by longer cable
Stream, so as to increased Current Transformer Secondary lateral load, and then have impact on accuracy of measurement and sensitivity.
Utility model content
This utility model embodiment provides a kind of electric supply installation and power distribution equipment, to ensure measurement essence as much as possible
While degree and sensitivity are unaffected, three-phase alternating current is provided for load.
The electric supply installation that this utility model embodiment is provided, including：Two the first current transformers and three the second electric currents
Transformer, two above-mentioned first current transformers are respectively used to measure any two-phase alternating current in three-phase AC electrical supply system,
The certainty of measurement of above-mentioned second current transformer is higher than above-mentioned first current transformer, wherein,
The secondary side of above-mentioned first current transformer in two above-mentioned first current transformers and three above-mentioned
The primary side of above-mentioned second current transformer in two current transformers connects to form tie point；
On the secondary side and second of another above-mentioned first current transformer in two above-mentioned first current transformers
The primary side for stating the second current transformer connects to form the second branch road；
The primary side of the 3rd above-mentioned second current transformer forms the 3rd branch road, and above-mentioned tie point, above-mentioned second
The circuit on one side ground connection that branch road and above-mentioned 3rd branch circuit parallel connection are formed；
The secondary side of three above-mentioned second current transformers forms the three-phase current outfan of above-mentioned electric supply installation respectively.
Preferably, above-mentioned second current transformer in above-mentioned tie point, primary side head end and one above-mentioned
The secondary side leading-out terminal of one current transformer is connected in series, primary side tail end above-mentioned with second the second current transformer respectively
The primary side head end of primary side tail end and the 3rd above-mentioned second current transformer is connected in parallel；
Second above-mentioned second current transformer in above-mentioned second branch road, primary side head end are above-mentioned first electric with another
The secondary side leading-out terminal of current transformer is connected in series；
The 3rd above-mentioned second current transformer in above-mentioned 3rd branch road, primary side tail end respectively above-mentioned with first
The secondary side end of incoming cables of the secondary side end of incoming cables of current transformer and another above-mentioned first current transformer is connected in parallel, and connects
Ground.
Preferably, being also in series with an electric current respectively in above-mentioned tie point, above-mentioned second branch road and above-mentioned 3rd branch road
Table.
A kind of power distribution equipment that this utility model embodiment is provided, including：Two the first current transformers and three second
Current transformer, two above-mentioned first current transformers are respectively used to measure any two-phase alternating current in three-phase AC electrical supply system
Stream, the certainty of measurement of above-mentioned second current transformer is higher than above-mentioned first current transformer, wherein,
The secondary side of above-mentioned first current transformer in two above-mentioned first current transformers and three above-mentioned
The primary side of above-mentioned second current transformer in two current transformers connects to form tie point；
On the secondary side and second of another above-mentioned first current transformer in two above-mentioned first current transformers
The primary side for stating the second current transformer connects to form the second branch road；
The primary side of the 3rd above-mentioned second current transformer forms the 3rd branch road, and above-mentioned tie point, institute above-mentioned the
The circuit on one side ground connection that two branch roads and above-mentioned 3rd branch circuit parallel connection are formed；
The secondary side of three above-mentioned second current transformers forms the three-phase current outfan of above-mentioned power distribution equipment respectively.
Preferably, above-mentioned second current transformer in above-mentioned tie point, primary side head end and one above-mentioned
The secondary side leading-out terminal of one current transformer is connected in series, primary side tail end above-mentioned with second the second current transformer respectively
The primary side head end of primary side tail end and the 3rd above-mentioned second current transformer is connected in parallel；
Second above-mentioned second current transformer in above-mentioned second branch road, primary side head end are above-mentioned first electric with another
The secondary side leading-out terminal of current transformer is connected in series；
The 3rd above-mentioned second current transformer in above-mentioned 3rd branch road, primary side tail end respectively above-mentioned with first
The secondary side end of incoming cables of the secondary side end of incoming cables of current transformer and another above-mentioned first current transformer is connected in parallel, and connects
Ground.
Preferably, being also in series with an electric current respectively in above-mentioned tie point, above-mentioned second branch road and above-mentioned 3rd branch road
Table.
This utility model embodiment has the beneficial effect that：
A kind of electric supply installation and power distribution equipment that this utility model embodiment is provided, using two the first current transformers
Measured in the measuring loop of any two-phase alternating current in three-phase AC electrical supply system respectively, increased three certainties of measurement is higher than
Second current transformer of the first current transformer, such that it is able to respectively by the secondary of three the second current transformers of increase
Side, provides three-phase alternating current for load, and then meets the use demand of load.Furthermore, it is possible to select three impedances less
The second current transformer, so, the impact of certainty of measurement and sensitivity to two the first current transformers is less, and then,
While certainty of measurement and unaffected sensitivity is ensured as much as possible, three-phase alternating current is provided for load, met
The use demand of load.
Description of the drawings
Fig. 1 is biphase incomplete star connection mode structural representation in this utility model prior art；
Fig. 2 is the structural representation of electric supply installation in this utility model embodiment；
Fig. 3 is the concrete structure schematic diagram of electric supply installation in this utility model embodiment；
Fig. 4 is the concrete structure schematic diagram of power distribution equipment in this utility model embodiment.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, is not whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
This utility model scheme is described in detail below by specific embodiment, certainly, this utility model is not limited
In following examples.
Refering to shown in Fig. 2, the electric supply installation that this utility model embodiment is provided at least includes：Two the first Current Mutual Inductances
Device (i.e. LH1 and LH1') and three the second current transformers (i.e. LH2, LH2' and LH2 "), two the first current transformers difference
For measuring any two-phase alternating current in three-phase AC electrical supply system, the certainty of measurement of the second current transformer is electric higher than first
Current transformer, wherein,
The secondary side and three the second Current Mutual Inductances of a first current transformer LH1 in two the first current transformers
The primary side of a second current transformer LH2 in device connects to form tie point；
The secondary side of another the first current transformer LH1' in two the first current transformers and second it is second electric
The primary side of current transformer LH2' connects to form the second branch road；
The primary side of the 3rd the second current transformer LH2 " forms the 3rd branch road, and above-mentioned tie point, above-mentioned second
The circuit on one side ground connection GND that branch road and above-mentioned 3rd branch circuit parallel connection are formed；
The secondary side of three the second current transformers (i.e. LH2, LH2' and LH2 ") forms the three of above-mentioned electric supply installation respectively
Phase current outfan.
The above-mentioned electric supply installation that this utility model embodiment is provided, increased three certainties of measurement higher than the first Current Mutual Inductance
Second current transformer of device, in this manner it is possible to pass through the secondary side of three the second current transformers of increase, provides for load
Three-phase alternating current, and then, meet the use demand of load.Furthermore, it is possible to select less second electric current of three impedances mutual
Sensor, so, the impact of certainty of measurement and sensitivity to two the first current transformers is less, and then, protecting as much as possible
While card certainty of measurement and unaffected sensitivity, three-phase alternating current is provided for load, meeting using for load needs
Ask.
In the specific implementation, the above-mentioned electric supply installation that this utility model embodiment is provided can have various connected modes to realize
Its function, optionally, above-mentioned electric supply installation can be adopted but be not limited to following connected mode：
A second current transformer LH2 in above-mentioned tie point, primary side head end LH2-P1 and first electric current
The secondary side leading-out terminal LH1-S2 of transformer LH1 is connected in series, and primary side tail end LH2-P2 is mutual with second the second electric current respectively
The primary side head end LH2 of primary side tail end LH2'-P2 and the 3rd second current transformer LH2 of sensor LH2' " "-P1 are in parallel
Connection；
Second the second current transformer LH2' in above-mentioned second branch road, primary side head end LH2'-P1 with another the
The secondary side leading-out terminal LH1'-S2 of one current transformer LH1' is connected in series；
The 3rd the second current transformer LH2 in above-mentioned 3rd branch road ", primary side tail end LH2 "-P2 respectively with one
The secondary side end of incoming cables of the first current transformer LH1-S1 and the secondary side end of incoming cables LH1'-S1 of another the first current transformer
It is connected in parallel, and is grounded GND.
So, the cross streams electric current that the secondary side of the first current transformer LH1 senses is (such as：A cross streams electric currents), lead to
The second current transformer LH2 primary side head end LH2-P1 are crossed, the second current transformer LH2 primary side tail end LH2-P2 is flowed to, separately
Second cross streams electric current of the secondary side sensing of one the first current transformer LH1' is (such as：C cross streams electric currents), by second
Individual second current transformer LH2' primary side head end LH2'-P1, flow to second the second current transformer LH2' primary side tail end
LH2'-P2, and then, flow through the A cross streams electric current of the second current transformer LH2 primary sides and flow through second the second Current Mutual Inductance
The C cross streams electric currents of the primary side of device LH2', can synthesize anti-phase third phase alternating current (such as：B cross streams electric currents), should
B cross streams electric current passes through the 3rd the second current transformer LH2 " primary side head end LH2 "-P1, flow to the 3rd the second electric current mutual
Sensor LH2 " primary side tail end LH2 "-P2, further, the second current transformer LH2, the second current transformer LH2' and second
The secondary side of current transformer LH2 " can just be respectively induced out A cross streams electric currents, C cross streams electric current and B cross streams electric currents, enter
And, it is possible to by the second current transformer LH2, the second current transformer LH2' and the second current transformer LH2 " it is secondary
Side, provides three-phase alternating current for load.
Further, refering to shown in Fig. 3, the above-mentioned electric supply installation that this utility model embodiment is provided can be with above-mentioned
Connected in tie point, above-mentioned second branch road and above-mentioned 3rd branch road respectively an ammeter.
Optionally, in the specific implementation, above three ammeter can be adopted but be not limited to following connected mode：
An ammeter A1 in three ammeters, be connected on a first current transformer LH1 secondary side and one
Between the primary side of the second current transformer LH2；
Second ammeter A2, is connected on the secondary side and second the second electric current of another first current transformer LH1'
Between the primary side of transformer LH2'；
The primary side of the 3rd ammeter A3, one end and the 3rd the second current transformer LH2 " is connected in series, the other end
Ground connection GND.
In this manner it is possible to by being connected on the first current transformer LH1 secondary side tail end LH1-S2 and the second Current Mutual Inductance
The ammeter A1 of device primary side head end LH2-P1, be connected on another first current transformer LH1 secondary side tail end LH1'-S2 and
The ammeter A2 of the LH2'-P1 of the primary side head end of second the second current transformer LH2', and one end ground connection GND, it is another
The LH2 of the primary side two ends of end and the 3rd the second current transformer LH2 " " the ammeter A3 that-P2 is connected in series, it is right to realize
The measurement of three-phase alternating current, and, the impedance of three the second current transformers of selection is less, so, to certainty of measurement and
The impact of sensitivity is also smaller, ensure that certainty of measurement and sensitivity are unaffected as much as possible.
With reference to the concrete structure schematic diagram of the electric supply installation shown in Fig. 3, the confession provided to this utility model embodiment
The concrete installation process of electric installation is described by, below only with certainty of measurement as 0.2S, transformer ratio at least 3 second as 5/5A
Illustrate as a example by current transformer.
Step one：Prepare material, including：Second current transformer of at least 3 0.2S precision 5/5A transformer ratios, at least 2
Individual test is in flakes, etc..
Step 2：For at least 3 the second current transformers, the verification of precision, polarity and C-V characteristic, screening are carried out respectively
(i.e. the second current transformer LH2, the second current transformer LH2' and second are electric to go out to verify the second current transformer of qualified 3
Current transformer LH2 ").
Step 3：The circuit structure of existing power distribution equipment is checked, the secondary side tail end of the first current transformer LH1 is determined
The secondary side tail end LH1'-S2 of LH1-S2 and the first current transformer LH1', in further determining that out the two ends of ammeter A1, not
One end A422 being connected with the secondary side tail end LH1-S2 of the first current transformer LH1, in the two ends of ammeter A2, not with first
One end C422 that the secondary side tail end LH1'-S2 of current transformer LH1' is connected, and in the two ends of ammeter A3, it is unearthed
One end N422 of GND.
Step 4：By test in flakes 1, one end C422 of one end A422 and ammeter A2 of ammeter A1 is carried out short
Connect, and by test in flakes 2, one end N422 of one end C422 and ammeter A3 of ammeter A2 is carried out into short circuit, and is being closed
Test in flakes 1 and test in flakes after 2 is closed, is each turned off between one end C422 of one end A422 and ammeter A2 of ammeter A1
Original wiring between original line, and one end N422 of one end C422 and ammeter A3 of ammeter A2.
So, in closure test in flakes 1 and test in flakes after 2, the A cross streams electric current for flowing through ammeter A1 can just pass through
The test of closure in flakes 1, with the C cross streams electric currents for flowing through ammeter A2, synthesizes reverse B cross streams electric currents, and then, the B phases
Alternating current can just pass through the test of closure and 2 flow to ammeter A3 in flakes, it is achieved thereby that to 2 the first current transformers
Isolation, it is ensured that the first Current Transformer Secondary side is not in open circuit, and then, it is ensured that the normal operation of measuring loop, keeps away
The problems such as casualties, production equipment that interruption of power supply causes are damaged, important transport hub is paralysed is exempted from.
Step 5：Install 3 the second current transformers (i.e. the second current transformer LH2, the second current transformer LH2' and
Second current transformer LH2 ").
When mounted, the second current transformer LH2 primary side head end LH2-P1 are connected with one end A422 of ammeter A1
Connection, primary side tail end LH2-P2 respectively with the second current transformer LH2' primary side tail end LH2'-P2 and the second Current Mutual Inductance
Device LH2 " primary side head end LH2 "-P1 are connected in parallel；Second current transformer LH2' primary side head end LH2'-P1 and ammeter A2
One end C422 be connected in series；One end N422 of the second current transformer LH2 " primary side tail end LH2 "-P2 and ammeter A3 goes here and there
Connection connection.
Step 6：Respectively in the second current transformer LH2 secondary side head end LH2-S1 and tail end LH2-S2 wiring, second
Current transformer LH2' secondary side head end LH2'-S1 and tail end LH2'S2 wiring, and in the second current transformer LH2 " secondary
Side head end LH2 "-S1 and tail end LH2 " S2 wiring, by 6 lines for picking out, is that load (i.e. novel device etc.) offer three is intersected
Stream electric current.
Step 7：After installation, connection line is detected, determine wiring firmly, after open circuit phenomenon, disconnection examination
Test in flakes 1 and test in flakes 2 (or directly remove test in flakes 1 and test in flakes 2), complete the transformation of electric supply installation.
Tellable to be, the electric supply installation that this utility model embodiment is provided only is the increase in 3 the second Current Mutual Inductances
Device, you can output three-phase alternating current, improvement cost are relatively low, also comply with national regulation, can meet the use demand of load.And
And, installation process is simple, realizes the transformation of two-forty.
Conceived based on same utility model, this utility model embodiment provides a kind of power distribution equipment, refering to shown in Fig. 4,
At least include：Two the first current transformers (i.e. LH1 and LH1') and three the second current transformers (i.e. LH2, LH2' and
LH2 "), two the first current transformers are respectively used to measure any two-phase alternating current in three-phase AC electrical supply system, and second is electric
The certainty of measurement of current transformer is higher than the first current transformer, wherein,
The secondary side and three the second Current Mutual Inductances of a first current transformer LH1 in two the first current transformers
The primary side of a second current transformer LH2 in device connects to form tie point；
The secondary side of another the first current transformer LH1' in two the first current transformers and second it is second electric
The primary side of current transformer LH2' connects to form the second branch road；
The primary side of the 3rd above-mentioned second current transformer LH2 " is formed on the 3rd branch road, and above-mentioned tie point, institute
State the circuit on one side ground connection that the second branch road and above-mentioned 3rd branch circuit parallel connection are formed；
The secondary side of three the second current transformers (i.e. LH2, LH2' and LH2 ") forms the three of above-mentioned power distribution equipment respectively
Phase current outfan.
In the specific implementation, the above-mentioned power distribution equipment that this utility model embodiment is provided can have various connected modes to realize
Its function, optionally, above-mentioned power distribution equipment can be adopted but be not limited to following connected mode：
A second current transformer LH2 in above-mentioned tie point, primary side head end LH2-P1 and first electric current
The secondary side leading-out terminal LH1-S2 of transformer LH1 is connected in series, and primary side tail end LH2-P2 is mutual with second the second electric current respectively
The primary side head end LH2 of primary side tail end LH2'-P2 and the 3rd second current transformer LH2 of sensor LH2' " "-P1 are in parallel
Connection；
Second the second current transformer LH2' in above-mentioned second branch road, primary side head end LH2'-P1 with another the
The secondary side leading-out terminal LH1'-S2 of one current transformer LH1' is connected in series；
The 3rd the second current transformer LH2 in above-mentioned 3rd branch road ", primary side tail end LH2 "-P2 respectively with one
The secondary side end of incoming cables of the first current transformer LH1-S1 and the secondary side end of incoming cables LH1'-S1 of another the first current transformer
It is connected in parallel, and is grounded GND.
Further, the above-mentioned power distribution equipment that this utility model embodiment is provided, can be with above-mentioned tie point, above-mentioned
Connected in second branch road and above-mentioned 3rd branch road respectively an ammeter.
Optionally, in the specific implementation, above three ammeter can be adopted but be not limited to following connected mode：
An ammeter A1 in three ammeters, be connected on a first current transformer LH1 secondary side and one
Between the primary side of the second current transformer LH2；
Second ammeter A2, is connected on the secondary side and second the second electric current of another first current transformer LH1'
Between the primary side of transformer LH2'；
The primary side of the 3rd ammeter A3, one end and the 3rd the second current transformer LH2 " is connected in series, the other end
Ground connection GND.
In sum, this utility model embodiment is provided a kind of electric supply installation and power distribution equipment, using two first
Current transformer is measured in the measuring loop of any two-phase alternating current in three-phase AC electrical supply system respectively, increased three surveys
Second current transformer of the accuracy of measurement higher than the first current transformer, it is thus possible to three the second electric currents by increasing respectively
The secondary side of transformer, provides three-phase alternating current for load, and then, meet the use demand of load.Furthermore, it is possible to select
Less three the second current transformers of impedance, so, the shadow of certainty of measurement and sensitivity to two the first current transformers
Sound is less, and then, while ensureing that certainty of measurement is unaffected as far as possible, three-phase alternating current is provided for load, meet
The function of load use demand.
Although having been described for preferred embodiment of the present utility model, those skilled in the art once know substantially
Creative concept, then can make other change and modification to these embodiments.So, claims are intended to be construed to bag
Include preferred embodiment and fall into the had altered of this utility model scope and change.
Obviously, those skilled in the art this utility model embodiment can be carried out it is various change and modification without deviating from
The spirit and scope of this utility model embodiment.So, if these modifications of this utility model embodiment and modification belong to this
Within the scope of the requirement of utility model right and its equivalent technologies, then this utility model is also intended to exist comprising these changes and modification
It is interior.
Claims (6)
1. a kind of electric supply installation, it is characterised in that include：Two the first current transformers and three the second current transformers, two
Individual first current transformer is respectively used to measure any two-phase alternating current in three-phase AC electrical supply system, and described second is electric
The certainty of measurement of current transformer is higher than first current transformer, wherein,
The secondary side of first current transformer in two first current transformers and three it is described second electric
The primary side of second current transformer in current transformer connects to form tie point；
The secondary side of another first current transformer in two first current transformers and second described
The primary side of two current transformers connects to form the second branch road；
The primary side of the 3rd second current transformer forms the 3rd branch road, and the tie point, second branch road
The circuit on one side ground connection formed with the 3rd branch circuit parallel connection；
The secondary side of three second current transformers forms the three-phase current outfan of the electric supply installation respectively.
2. electric supply installation as claimed in claim 1, it is characterised in that：
Second current transformer in the tie point, primary side head end and first current transformer
Secondary side leading-out terminal be connected in series, primary side tail end respectively the primary side tail end of the second current transformer described with second and
The primary side head end of the 3rd second current transformer is connected in parallel；
Second second current transformer in second branch road, primary side head end are mutual with the first electric current another described
The secondary side leading-out terminal of sensor is connected in series；
The 3rd second current transformer in 3rd branch road, primary side tail end the first electric current described with respectively
The secondary side end of incoming cables of the secondary side end of incoming cables of transformer and another first current transformer is connected in parallel, and is grounded.
3. electric supply installation as claimed in claim 1 or 2, it is characterised in that the tie point, second branch road and described
An ammeter is in series with 3rd branch road respectively also.
4. a kind of power distribution equipment, it is characterised in that include：Two the first current transformers and three the second current transformers, two
Individual first current transformer is respectively used to measure any two-phase alternating current in three-phase AC electrical supply system, and described second is electric
The certainty of measurement of current transformer is higher than first current transformer, wherein,
The secondary side of first current transformer in two first current transformers and three it is described second electric
The primary side of second current transformer in current transformer connects to form tie point；
The secondary side of another first current transformer in two first current transformers and second described
The primary side of two current transformers connects to form the second branch road；
The primary side of the 3rd second current transformer forms the 3rd branch road, and the tie point, second branch road
The circuit on one side ground connection formed with the 3rd branch circuit parallel connection；
The secondary side of three second current transformers forms the three-phase current outfan of the power distribution equipment respectively.
5. power distribution equipment as claimed in claim 4, it is characterised in that：
Second current transformer in the tie point, primary side head end and first current transformer
Secondary side leading-out terminal be connected in series, primary side tail end respectively the primary side tail end of the second current transformer described with second and
The primary side head end of the 3rd second current transformer is connected in parallel；
Second second current transformer in second branch road, primary side head end are mutual with the first electric current another described
The secondary side leading-out terminal of sensor is connected in series；
The 3rd second current transformer in 3rd branch road, primary side tail end the first electric current described with respectively
The secondary side end of incoming cables of the secondary side end of incoming cables of transformer and another first current transformer is connected in parallel, and is grounded.
6. the power distribution equipment as described in claim 4 or 5, it is characterised in that the tie point, second branch road and described
An ammeter is in series with 3rd branch road respectively also.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620832963.2U CN206114743U (en) | 2016-08-03 | 2016-08-03 | Power supply unit and distribution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620832963.2U CN206114743U (en) | 2016-08-03 | 2016-08-03 | Power supply unit and distribution device |
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| Publication Number | Publication Date |
|---|---|
| CN206114743U true CN206114743U (en) | 2017-04-19 |
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| CN201620832963.2U Active CN206114743U (en) | 2016-08-03 | 2016-08-03 | Power supply unit and distribution device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168634A (en) * | 2016-08-03 | 2016-11-30 | 新奥泛能网络科技股份有限公司 | A kind of electric supply installation and power distribution equipment |
-
2016
- 2016-08-03 CN CN201620832963.2U patent/CN206114743U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168634A (en) * | 2016-08-03 | 2016-11-30 | 新奥泛能网络科技股份有限公司 | A kind of electric supply installation and power distribution equipment |
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