CN206804770U - A kind of charging pile test system - Google Patents
A kind of charging pile test system Download PDFInfo
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- CN206804770U CN206804770U CN201720193990.4U CN201720193990U CN206804770U CN 206804770 U CN206804770 U CN 206804770U CN 201720193990 U CN201720193990 U CN 201720193990U CN 206804770 U CN206804770 U CN 206804770U
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- charging pile
- wave filter
- test system
- feedback circuit
- circuit module
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Abstract
A kind of charging pile test system, including the charging pile being connected with utility grid, the charging pile is connected with test fixture, the output end of the test fixture is connected with feedback circuit module, the first wave filter that the feedback circuit module includes being sequentially connected with, inverter, the second wave filter, main relay, from relay, detection of electrical leakage module, the 3rd wave filter and lightning protection device, boost converter is provided between first wave filter and the inverter, the output end of the feedback circuit module connects the utility grid.The utility model provides a kind of energy-conservation, reliable charging pile test system, the feedback efficiency of the charging pile test system is high, the energy consumption of charging pile is small, can effectively solve the problems, such as waste of energy of the charging pile in detection, the direct current of input is returned to power network by the form of inversion, the safe to use of test device is ensured, promotes the development of electric car and clean energy resource.
Description
Technical field
It the utility model is related to technical field of electric equipment, and in particular to a kind of charging pile test system.
Background technology
To solve the problems such as nowadays global environmental pollution, petroleum resources exhaustion, low-carbon, economy, environmental protection have become China
The theme of economic development.Future transportation industry will be turned into environmental protection, the development cleaned, save famous New-energy electric vehicle
The main flow of development, meanwhile, charging station, charging pile as its energy supply auxiliary facility are the crucial rings of Development of Electric Vehicles
Section, and whether the construction of electrically-charging equipment obtains synchronous development, it is necessary to be applied to charging pile test system to examine.
Whether charging pile test system is leaked electricity for objective detection charging pile, improves the quality level of charging pile product,
To adapt to the technological means of quick production requirement.In use it was found that conventional direct-current charging post test device typically makes
Loaded with resistance wire or electronic load come simulation output, guiding charging pile carries out electric energy output, due to the power output of charging pile
Greatly, load capacity is strong, and heating power consumption is surprising and the time of charging measurement process needs is longer, not only adds testing staff and fills
The security risk of electric stake, and charging pile output is wasted to the electric energy tested, and fails rationally to utilize, and is unfavorable for examining equipment
Quality and stability, easily cause the significant wastage of electric energy.
Utility model content
For above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of charging pile test system, should
System can efficiently solve the problems, such as waste of energy of the charging pile in detection, the direct current of input by the form of inversion again
Power network is returned, ensures the safe to use of test device.
The technical solution of the utility model is：A kind of charging pile test system, including the charging being connected with utility grid
Stake, the charging pile are connected with test fixture, and the output end of the test fixture is connected with feedback circuit module, the feedback electricity
The first wave filter that road module includes being sequentially connected with, inverter, the second wave filter, main relay, from relay, detection of electrical leakage mould
Block, the 3rd wave filter and lightning protection device, boost converter is provided between first wave filter and the inverter, it is described anti-
The output end of current feed circuit module connects the utility grid.
Preferably, the feedback circuit module also includes control display module, the control display module includes DSP master
Chip is controlled, the DSP main control chips connection controls the boost converter, inverter, main relay, and receives electricity by signal
Road connects detection of electrical leakage module.
Preferably, the control display module also includes ARM from control chip, the ARM from control chip with it is described
DSP main control chips connect, and ARM from the output end of control chip is connected with LCD display and described from relay.
Preferably, the ARM is connected with controller from control chip by wireless control signal.
Preferably, first wave filter is direct current electromagnetic interface filter, second wave filter is three-phase LC wave filters,
3rd wave filter is exchange electromagnetic interface filter.
Preferably, the inverter is three-phase tri-level inverter, the lightning protection device is communication lightning-protection device.
Preferably, be provided with battery on the test fixture, the of the battery and the feedback circuit module
One wave filter connects, and forms complete power input circuit.
Preferably, it is parallel with lightning protection piezo-resistance between first wave filter and the battery.
Preferably, the lightning protection device of the feedback circuit module connects the utility grid by three-phase and four-line circuit.
From the above, it is seen that the beneficial effects of the utility model are：Feedback circuit module can be the straight of input
Stream electric energy returns to power network by the form of inversion, and the feedback efficiency of whole system is high, and the energy consumption of charging pile is small, well solution
Certainly a kind of energy-conservation of offer while needs, the reliable detection means of charging pile detection of electrical leakage, promotes electric car and cleaning energy
The development in source.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 is the utility model connection diagram；
Fig. 2 is the connection diagram of the utility model feedback circuit module.
Embodiment
, below will be to technology of the present utility model to make the purpose of this utility model, technical scheme and advantage clearer
Scheme carries out clear, complete description.Obviously, described embodiment is only the utility model part of the embodiment, rather than
Whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work
On the premise of obtained by all other embodiment, belong to the scope that the utility model is protected.
As shown in Figure 1 and Figure 2, a kind of charging pile test system, including the charging pile 1 being connected with utility grid, the charging
Stake 1 is connected with test fixture 2, and the output end of the test fixture 2 is connected with feedback circuit module 3, the feedback circuit module 3
Including be sequentially connected with the first wave filter 30, inverter 32, the second wave filter 33, main relay 34, from relay 35, electric leakage inspection
Module 36, the 3rd wave filter 37 and lightning protection device 38 are surveyed, liter is provided between first wave filter 30 and the inverter 32
Pressure converter 31, the output end of the feedback circuit module 3 connect the utility grid, and the electric energy of the charging pile 1 passes through institute
State after feedback circuit module 3 carries out inversion processing and return to utility grid.
In the present embodiment, the feedback circuit module 3 also includes control display module 4, and the control display module 4 wraps
DSP main control chips 41 are included, the connection of DSP main control chips 41 controls the boost converter 31, inverter 32, main relay
33, and the detection of electrical leakage module 36 is connected by signal receiving circuit, the detection of electrical leakage module 36 feeds back detection information
To DSP main control chips 41；The control display module 4 also includes ARM from control chip 42, the ARM from control chip 42 with
The DSP main control chips 41 connect, and the output end of ARM from control chip 42 is connected with LCD display 43 and described from relay
Device 35, the ARM are connected with controller 5 from control chip 42 by wireless control signal.When ARM receives from control chip 42
Control signal is communicated to the DSP main control chips 41 and from relay by the run signal of controller 5, ARM from control chip 42
35, DSP main control chips 41 send operating instruction to the boost converter 31, inverter 32, main relay 33, and electric leakage is examined
Survey the detection information that module 36 is fed back and controller 5 is uploaded to from control chip 42 by ARM.
First wave filter 30 is direct current electromagnetic interface filter, and second wave filter 33 is three-phase LC wave filters, described
Three wave filters 37 are exchange electromagnetic interface filter, and the inverter 32 is three-phase tri-level inverter, and the lightning protection device 38 is anti-for exchange
Thunder device.
It is provided with battery 21 on the test fixture 2, the battery 21 is provided with two pieces, battery 21 and the feedback
First wave filter 30 of circuit module 3 connects, and forms complete power input circuit, first wave filter 30 and the battery
Lightning protection piezo-resistance 39 is parallel between 21.
The lightning protection device 38 of the feedback circuit module 3 connects the utility grid by three-phase and four-line circuit.
Operation principle：When system works, utility grid is powered to charging pile 1, and controller 5 is sent out to ARM from control chip 42
Detection signal is sent, ARM is transmitted control signals on DSP main control chips 41 from control chip 42, the battery 21 of test fixture 2
By electric energy by filtering, boosting, inversion, the process such as filtering come back to utility grid, detection of electrical leakage module 36 is by detection signal
DSP main control chips 41 are fed back to, and controller 5 is uploaded to from control chip 42 by ARM.
Various embodiments above is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to foregoing
The utility model is described in detail each embodiment, it will be understood by those within the art that：It still can be with
Technical scheme described in foregoing embodiments is modified, either which part or all technical characteristic are equal
Replace；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technical scheme
Scope.
Claims (9)
1. a kind of charging pile test system, including the charging pile being connected with utility grid, the charging pile are connected with test fixture,
Characterized in that, the output end of the test fixture is connected with feedback circuit module, the feedback circuit module includes sequentially connecting
The first wave filter for connecing, inverter, the second wave filter, main relay, from relay, detection of electrical leakage module, the 3rd wave filter with
And lightning protection device, be provided with boost converter between first wave filter and the inverter, the feedback circuit module it is defeated
Go out end and connect the utility grid.
2. a kind of charging pile test system as claimed in claim 1, it is characterised in that the feedback circuit module also includes control
Display module, the control display module include DSP main control chips, and the DSP main control chips connection controls the boost conversion
Device, inverter, main relay, and detection of electrical leakage module is connected by signal receiving circuit.
3. a kind of charging pile test system as claimed in claim 2, it is characterised in that the control display module also includes ARM
From control chip, the ARM is connected from control chip with the DSP main control chips, and ARM is connected with from the output end of control chip
LCD display and described from relay.
4. a kind of charging pile test system as claimed in claim 3, it is characterised in that the ARM passes through wireless from control chip
Control signal is connected with controller.
5. a kind of charging pile test system as claimed in claim 1, it is characterised in that first wave filter is filtered for direct current EMI
Ripple device, second wave filter are three-phase LC wave filters, and the 3rd wave filter is exchange electromagnetic interface filter.
6. a kind of charging pile test system as claimed in claim 1, it is characterised in that the inverter is three-phase tri-level inversion
Device, the lightning protection device are communication lightning-protection device.
7. a kind of charging pile test system as claimed in claim 1, it is characterised in that be provided with electric power storage on the test fixture
Pond, the battery are connected with the first wave filter of the feedback circuit module, form complete power input circuit.
8. a kind of charging pile test system as claimed in claim 7, it is characterised in that first wave filter and the battery
Between be parallel with lightning protection piezo-resistance.
9. a kind of charging pile test system as claimed in claim 1, it is characterised in that the lightning protection device of the feedback circuit module leads to
Cross three-phase and four-line circuit and connect the utility grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720193990.4U CN206804770U (en) | 2017-03-02 | 2017-03-02 | A kind of charging pile test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720193990.4U CN206804770U (en) | 2017-03-02 | 2017-03-02 | A kind of charging pile test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206804770U true CN206804770U (en) | 2017-12-26 |
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ID=60729069
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720193990.4U Active CN206804770U (en) | 2017-03-02 | 2017-03-02 | A kind of charging pile test system |
Country Status (1)
| Country | Link |
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| CN (1) | CN206804770U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115848322A (en) * | 2022-12-19 | 2023-03-28 | 中建科工集团有限公司 | Electric vehicle charging system and method |
| CN117590116A (en) * | 2023-11-16 | 2024-02-23 | 南京能可瑞科技有限公司 | DC configurable power load test method and device based on inversion technology |
-
2017
- 2017-03-02 CN CN201720193990.4U patent/CN206804770U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115848322A (en) * | 2022-12-19 | 2023-03-28 | 中建科工集团有限公司 | Electric vehicle charging system and method |
| CN117590116A (en) * | 2023-11-16 | 2024-02-23 | 南京能可瑞科技有限公司 | DC configurable power load test method and device based on inversion technology |
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