CN207008016U - Power distribution closing detecting apparatus, power distribution unit and charging device - Google Patents
Power distribution closing detecting apparatus, power distribution unit and charging device Download PDFInfo
- Publication number
- CN207008016U CN207008016U CN201720311206.5U CN201720311206U CN207008016U CN 207008016 U CN207008016 U CN 207008016U CN 201720311206 U CN201720311206 U CN 201720311206U CN 207008016 U CN207008016 U CN 207008016U
- Authority
- CN
- China
- Prior art keywords
- power distribution
- unit
- detection unit
- voltage
- switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a kind of power distribution closing detecting apparatus, power distribution unit and charging device, and the power distribution closing detecting apparatus includes：The input that first voltage detection unit switchs with power distribution is connected, and detects the first voltage value of power distribution switch input terminal；The output end that second voltage detection unit switchs with power distribution is connected, and detects the second voltage value of power distribution output switching terminal；The output end that current detecting unit switchs with power distribution is connected, and detects the current value of power distribution output switching terminal；State detection unit is connected with first voltage detection unit, second voltage detection unit and current detecting unit, and the state of power distribution switch is determined according to first voltage value, second voltage value and current value.The device can be realized to be detected to ensure the normal work of charging equipment for automobile to the working condition of the power distribution switch of charging device of electric automobile, simple in construction.
Description
Technical field
The utility model belongs to charging electric vehicle technical field, more particularly to a kind of power distribution closing detecting apparatus,
Power distribution unit and charging device.
Background technology
With the fast development of electric automobile, can the charging technique of electric automobile is increasingly becoming electric automobile realize largely
The key point of popularization.How the working condition switched to the power distribution of charging device of electric automobile is detected to ensure vapour
Car fills the normal work put turns into those skilled in the art's urgent problem to be solved.
Utility model content
In view of this, the utility model embodiment provides a kind of power distribution closing detecting apparatus, power distribution unit
And charging device, detected with the working condition that the power distribution realized to charging device of electric automobile switchs to ensure automobile
Fill the normal work put.
The first aspect of the utility model embodiment, there is provided a kind of power distribution switch state detector, including：Shape
State detection unit, at least one current detecting unit, at least one first voltage detection unit and the inspection of at least one second voltage
Survey unit；
The first voltage detection unit is connected with the input that power distribution switchs, and it is defeated to detect the power distribution switch
Enter the first voltage value at end；The second voltage detection unit is connected with the output end that the power distribution switchs, described in detection
The second voltage value of power distribution output switching terminal；The output end of the current detecting unit and power distribution switch connects
Connect, detect the current value of the power distribution output switching terminal；
The state detection unit respectively with the first voltage detection unit, the second voltage detection unit and described
Current detecting unit connects, and obtains the first voltage value, the second voltage value and the current value, and according to described first
Magnitude of voltage, the second voltage value and the current value determine the state of the power distribution switch.
Alternatively, the power distribution switch state detector also includes：Temperature detecting unit, respectively with the power
Distribution switch connects with state detection unit, detects the temperature value of the power distribution switch, and is sent to the state-detection
Unit.
Alternatively, the current detecting unit is current sensor, and the first voltage detection unit is voltage sensor,
The second voltage detection unit is voltage sensor.
The second aspect of the utility model embodiment, there is provided a kind of power distribution unit, including above-mentioned power distribution
Switch state detector, at least one charhing unit and at least one power distribution switch；
The input incoming transport power supply of the charhing unit, the AC conversion for the AC power to be provided are
Direct current；The output end of the charhing unit is connected with the input of at least one power distribution switch, the power point
The charging terminal of output end and charger with switch positive electrode bus connection, the power distribution closing detecting apparatus with it is described
Power distribution switch is connected.
Alternatively, the power distribution switch is controllable silicon.
Alternatively, the power distribution switch is D.C. contactor.
Alternatively, the charhing unit is rectifier.
Alternatively, the output voltage values of the charhing unit are 750V, power output 15KW.
Alternatively, the quantity of the charhing unit is 16.
The third aspect of the utility model embodiment, there is provided a kind of charging device, it is characterised in that including above-mentioned work(
Rate distributor.
It can be seen from embodiment of the present utility model, the power distribution switch state detector of the present embodiment, including shape
State detection unit, at least one current detecting unit, at least one first voltage detection unit and the inspection of at least one second voltage
Survey unit；The input that first voltage detection unit switchs with power distribution is connected, and the of detection power distribution switch input terminal
One magnitude of voltage；The output end that second voltage detection unit switchs with power distribution is connected, detection power distribution output switching terminal
Second voltage value；The output end that current detecting unit switchs with power distribution is connected, and detects the electricity of power distribution output switching terminal
Flow valuve；State detection unit is connected with first voltage detection unit, second voltage detection unit and current detecting unit respectively, is obtained
First voltage value, second voltage value and current value are taken, and power point is determined according to first voltage value, second voltage value and current value
State with switch, the utility model can be realized to be carried out to the working condition of the power distribution switch of charging device of electric automobile
Detect to ensure the normal work of charging equipment for automobile, and it is simple in construction.
Brief description of the drawings
, below will be to embodiment or prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The required accompanying drawing used is briefly described in description, it should be apparent that, drawings in the following description are only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of electrical block diagram for power distribution closing detecting apparatus that the utility model embodiment provides；
Brief description of the drawings：1- state detection units, 2- current detecting units, 3- first voltages detection unit, 4- second voltages
Detection unit, 5- power distributions switch, 6- temperature detecting units, 7- charhing units, the positive electrode bus of 8- charging terminals.
Embodiment
In describing below, in order to illustrate rather than in order to limit, it is proposed that such as tool of particular system structure, technology etc
Body details, thoroughly to understand the utility model embodiment.However, it will be clear to one skilled in the art that there is no these
The utility model can also be realized in the other embodiments of detail.In other situations, omit to well-known system,
The detailed description of device, circuit and method, in case unnecessary details hinders description of the present utility model.
In order to illustrate technical scheme described in the utility model, illustrated below by specific embodiment.
Embodiment one
With reference to figure 1, a kind of circuit structure for power distribution closing detecting apparatus that the utility model embodiment one provides shows
It is intended to, including state detection unit 1, at least one current detecting unit 2, at least one first voltage detection unit 3 and at least
One second voltage detection unit 4.
Specifically, first voltage detection unit 3 is connected with the input of power distribution switch 5, detection power distribution switch 5
The first voltage value of input.Second voltage detection unit 4 is connected with the output end of power distribution switch 5, detects power distribution
Switch the second voltage value of 5 output ends.Current detecting unit 2 is connected with the output end of power distribution switch 5, detects power distribution
Switch the current value of 5 output ends.State detection unit 1 respectively with first voltage detection unit 3, second voltage detection unit 3 and
Current detecting unit 2 connects, and obtains first voltage value, second voltage value and current value I, and according to first voltage value, the second electricity
Pressure value and current value determine the state of power distribution switch 5.Wherein, the state of power distribution switch 5 can include：Normally, it is short
Three kinds of road failure, open fault states.
In the present embodiment, state detection unit 1 can be single-chip microcomputer or PLC (Programmable Logic
Controller, PLD)；Power distribution switch 5 can be mechanical switch or diode switch device
Part；Current detecting unit is current sensor, and first voltage detection unit is voltage sensor, and second voltage detection unit is electricity
Pressure sensor.
Specifically, above-mentioned power distribution switch 5 is connected with control unit (not shown), the control unit is by work(
Rate distribution switch 5 sends closure or opening signal, the closure or opening of control power distribution switch 5.When power distribution switch 5 is
During diode switch device, the first voltage value that state detection unit 1 obtains is the electricity of the anode spot position of diode switch device
Pressure value, the second voltage value of acquisition is the magnitude of voltage of the negative electrode point position of diode switch device, and state detection unit 1 is according to first
Magnitude of voltage, second voltage value and current value determine that the detailed process of the state of power distribution switch 5 is：
When first voltage value is equal to second voltage value, and power distribution switchs the current values of 5 output ends and is equal to detection in advance
When the power distribution arrived switchs the electric current of 5 inputs, the state for determining power distribution switch 5 is short trouble state；Work as power
The signal that distribution switch 5 receives power distributing unit is closure signal, and the current value that power distribution switchs 5 output ends is zero,
And first voltage value, when being not zero, the state for determining power distribution switch 5 is open fault state；Normal condition is to be unsatisfactory for
Other states of two kinds of malfunctions are stated, are repeated no more here.
It can be seen from above-described embodiment of the present utility model, the power distribution switch state detector of the present embodiment, bag
Include state detection unit 1, at least one current detecting unit 2, at least one first voltage detection unit 3 and at least one second
Voltage detection unit 4；First voltage detection unit 3 is connected with the input of power distribution switch 5, detection power distribution switch 5
The first voltage value of input；Second voltage detection unit 4 is connected with the output end of power distribution switch 5, detects power distribution
Switch the second voltage value of 5 output ends；Current detecting unit 2 is connected with the output end of power distribution switch 5, detects power distribution
Switch the current value of 5 output ends；State detection unit 1 respectively with first voltage detection unit 3, second voltage detection unit 4 and
Current detecting unit 2 connects, and obtains first voltage value, second voltage value and current value, and according to first voltage value, second voltage
Value and current value determine the state of power distribution switch 5, and the utility model can realize the power to charging device of electric automobile
The working condition of distribution switch is detected to ensure the normal work of charging equipment for automobile.
Further, on the basis of above-described embodiment one, above-mentioned power distribution switch state detector, can also wrap
Include：Temperature detecting unit 6, it is connected respectively with power distribution switch 5 and state detection unit 1, the temperature of detection power distribution switch 5
Angle value, and it is sent to the state detection unit 1.Wherein, temperature detecting unit 6 can be heat-sensitive sensor or heat
Galvanic couple temperature sensor or electric resistance sensor, this utility model is not restricted.Examined by temperature detecting unit 6
The operating temperature of power scale distribution switch 5, and state detection unit 1 is sent to, so that state detection unit 1 is according to power distribution
The temperature value of switch 5 simultaneously combines the current value that power distribution switchs 5 output ends, and judging the working condition of power distribution switch 5 is
It is no normal.For example, when power distribution switch 5 temperature value it is higher, but power distribution switch 5 output ends current value it is smaller
When, then the working condition that can determine power distribution switch 5 is abnormal condition.
Embodiment two
With reference to figure 1, a kind of power distribution unit of the offer of the utility model embodiment two, on the basis of above-described embodiment
On, include the power distribution switch state detector of above-described embodiment, in addition at least one charhing unit 7 and at least one
Power distribution switch 5.
Specifically, the input incoming transport power supply of the charhing unit 7, for the exchange for providing the AC power
Electricity is converted into direct current.The output end of the charhing unit 7 is connected with the input of at least one power distribution switch 5,
The output end of the power distribution switch 5 and the positive electrode bus 8 of the charging terminal of charger connect, the power distribution switch inspection
Device is surveyed with power distribution switch 5 to be connected.The positive electrode bus number of charging terminal is multiple, such as four, each charging
A charging terminal (not shown) is connected with the positive electrode bus of terminal.Each power distribution switch 5 and a charging are eventually
The positive electrode bus 8 at end is connected.
In the present embodiment, AC power can be three-phase high-voltage AC power；Charhing unit 7 can be rectifier, can be with
It is diode rectifier or IGBT (Insulated Gate Bipolar Transistor, insulated gate bipolar crystalline substance
Body pipe) rectifier；Power distribution switch 5 can be D.C. contactor or controllable silicon.
Understand according to the abovementioned embodiments of the present invention, the power distribution unit of the present embodiment switchs including above-mentioned power distribution
Condition checkout gear, in addition at least one charhing unit 7 and at least one power distribution switch 5, the input of charhing unit 7
Incoming transport power supply, the AC conversion for AC power to be provided are direct current.The output end of charhing unit 7 and at least one
The positive electrode bus of the input connection of individual power distribution switch 5, the output end of power distribution switch 5 and the charging terminal of charger
8 connections, power distribution closing detecting apparatus are connected with power distribution switch 5, and the present embodiment can either be realized to be filled to electric automobile
The working condition of the power distribution switch 5 of electric installation is detected to ensure the normal work of charging equipment for automobile；Simultaneously can also
Charhing unit 7 is enough realized by being connected from different power distribution switches 5, and then is different by charging terminal positive electrode bus
Charging terminal is powered.
Further, on the basis of above-described embodiment, the output voltage values of charhing unit 7 can be 750V, output work
Rate can be 15KW.By the way that the output voltage of charhing unit and power output are arranged into 750V, 15KW, to ensure each charging
Unit can provide enough electric power.
Further, on the basis of above-described embodiment, the quantity of charhing unit 7 can be 16.It is enough by setting
More charhing unit, it is possible to achieve each charging terminal is assigned to the power supply of enough charhing units, to improve overall charging
The charge efficiency of device.
Embodiment three
The third aspect of the utility model embodiment, there is provided a kind of charging device, including above-mentioned power distribution unit.
Embodiment described above is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to before
Embodiment is stated the utility model is described in detail, it will be understood by those within the art that：It still can be with
Technical scheme described in foregoing embodiments is modified, or equivalent substitution is carried out to which part technical characteristic；And
These modifications are replaced, and the essence of appropriate technical solution is departed from the spirit of various embodiments of the utility model technical scheme
And scope, it should be included within the scope of protection of the utility model.
Claims (10)
- A kind of 1. power distribution closing detecting apparatus, it is characterised in that including：State detection unit, at least one current detecting Unit, at least one first voltage detection unit and at least one second voltage detection unit；The first voltage detection unit is connected with the input that power distribution switchs, and detects the power distribution switch input terminal First voltage value；The second voltage detection unit is connected with the output end that the power distribution switchs, and detects the power Distribute the second voltage value of output switching terminal；The output end that the current detecting unit switchs with the power distribution is connected, inspection Survey the current value of the power distribution output switching terminal；The state detection unit respectively with the first voltage detection unit, the second voltage detection unit and the electric current Detection unit connects, and obtains the first voltage value, the second voltage value and the current value, and according to the first voltage Value, the second voltage value and the current value determine the state of the power distribution switch.
- 2. power distribution closing detecting apparatus according to claim 1, it is characterised in that also include：Temperature detecting unit, It is connected respectively with power distribution switch and state detection unit, detects the temperature value of the power distribution switch, and is sent To the state detection unit.
- 3. power distribution closing detecting apparatus according to claim 1, it is characterised in that the current detecting unit is electricity Flow sensor, the first voltage detection unit are voltage sensor, and the second voltage detection unit is voltage sensor.
- 4. a kind of power distribution unit, it is characterised in that switch inspection including the power distribution described in any one of claims 1 to 3 Survey device, in addition at least one charhing unit and at least one power distribution switch；The input incoming transport power supply of the charhing unit, the AC conversion for the AC power to be provided are direct current Electricity；The output end of the charhing unit is connected with the input of at least one power distribution switch, and the power distribution is opened The output end of pass and the positive electrode bus of the charging terminal of charger connect, the power distribution closing detecting apparatus and the power Distribution switch is connected.
- 5. power distribution unit according to claim 4, it is characterised in that the power distribution switch is controllable silicon.
- 6. power distribution unit according to claim 4, it is characterised in that the power distribution switch contacts for direct current Device.
- 7. power distribution unit according to claim 4, it is characterised in that the charhing unit is rectifier.
- 8. according to the power distribution unit described in any one of claim 4 to 7, it is characterised in that the output of the charhing unit Magnitude of voltage is 750V, power output 15KW.
- 9. according to the power distribution unit described in any one of claim 4 to 7, it is characterised in that the quantity of the charhing unit For 16.
- 10. a kind of charging device, it is characterised in that including the power distribution unit described in any one of claim 4 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720311206.5U CN207008016U (en) | 2017-03-27 | 2017-03-27 | Power distribution closing detecting apparatus, power distribution unit and charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720311206.5U CN207008016U (en) | 2017-03-27 | 2017-03-27 | Power distribution closing detecting apparatus, power distribution unit and charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207008016U true CN207008016U (en) | 2018-02-13 |
Family
ID=61429173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720311206.5U Active CN207008016U (en) | 2017-03-27 | 2017-03-27 | Power distribution closing detecting apparatus, power distribution unit and charging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207008016U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10622821B2 (en) | 2015-11-26 | 2020-04-14 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Charging apparatus of mobile terminal |
| CN112776648A (en) * | 2021-03-09 | 2021-05-11 | 开迈斯新能源科技有限公司 | Charging power distribution device |
-
2017
- 2017-03-27 CN CN201720311206.5U patent/CN207008016U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10622821B2 (en) | 2015-11-26 | 2020-04-14 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Charging apparatus of mobile terminal |
| CN112776648A (en) * | 2021-03-09 | 2021-05-11 | 开迈斯新能源科技有限公司 | Charging power distribution device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11322936B2 (en) | Distributed battery, battery control method, and electric vehicle | |
| CN105429226B (en) | Large capacity charge-discharge battery manages system | |
| CN106926741A (en) | New-energy automobile power-driven system and its battery electric quantity active equalization method | |
| CN107850643A (en) | For the apparatus and method for the failure for diagnosing switch element | |
| KR101456552B1 (en) | Battery with cell balancing | |
| CN106696744A (en) | Charging heating system for electric vehicle power battery and heating method | |
| CN102201687A (en) | Charging device | |
| CN103580214A (en) | Charging apparatus and operation method thereof | |
| CN205632165U (en) | Power battery increases journey system | |
| CN108039743A (en) | Charging station and charging system, method, apparatus | |
| CN106849288A (en) | A kind of battery modules connect circuit and energy storage device | |
| CN109677296A (en) | A kind of power battery and its control method, electric car | |
| CN106564383A (en) | High voltage electrical box, electric automobile power supply system and electric automobile | |
| CN112421661B (en) | Battery control system, energy storage system and control method thereof | |
| CN207008016U (en) | Power distribution closing detecting apparatus, power distribution unit and charging device | |
| CN207617554U (en) | Lithium ion battery for electric vehicle system | |
| CN103378588B (en) | A kind of new energy auto high-voltage electrical box | |
| CN203995737U (en) | A kind of electric automobile high-voltage switching arrangement | |
| CN109489260A (en) | A kind of outlet water temperature of water heater control method | |
| CN114295988A (en) | Battery pack fault detection circuit and battery pack fault detection method | |
| CN104578243A (en) | A method for monitoring the DC voltage charge and a battery management system | |
| CN110461637A (en) | Vehicle energy memory | |
| CN109802189A (en) | The capacity-enlarging system and expansion method of ferric phosphate lithium cell packet | |
| US11810873B2 (en) | Solid-state fuse having multiple control circuits | |
| CN206436845U (en) | A kind of charging device of electric automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |