CN209756820U

CN209756820U - intelligent power supply equipment with 32A and 16A sockets

Info

Publication number: CN209756820U
Application number: CN201920102515.0U
Authority: CN
Inventors: 洪登月
Original assignee: Hanyu Group JSCL
Current assignee: Hanyu Group JSCL
Priority date: 2019-01-21
Filing date: 2019-01-21
Publication date: 2019-12-10
Anticipated expiration: 2029-01-21

Abstract

The utility model relates to an intelligent power supply unit who is equipped with 32A and 16A socket. The utility model discloses an intelligent power supply device, which comprises a controller, a switch circuit and an output socket; the output socket comprises a 32A socket and two 16A sockets; the switching circuit comprises a first switch, a second switch and a third switch; the input ends of the first switch, the second switch and the third switch are respectively connected with an alternating current power supply, the output end of the first switch is connected with the 32A socket, the output end of the second switch is connected with a 16A socket, and the output end of the third switch is connected with another 16A socket; the controller selectively turns on the first switch to energize the 32A jack, or the controller selectively turns on the second switch and/or the third switch to energize at least one 16A jack. Intelligence power supply unit, it is equipped with 32A and 16A socket simultaneously, can charge rifle or 32A through 16A and charge the rifle and charge for electric automobile.

Description

intelligent power supply equipment with 32A and 16A sockets

Technical Field

the utility model relates to an electric automobile charging device technical field especially relates to an intelligent power supply unit who is equipped with 32A and 16A socket.

Background

many new energy car manufacturers are when the car owner buys the car, all can present 16A's miniwatt rifle that charges along with the car, but because most parking areas do not all be equipped with 16A's socket that charges at present, consequently lead to many car owners even have the rifle that charges, still can't find suitable charging pile or be equipped with 16A socket and fill the parking area of electric pile and charge, and is neither convenient like this, has also caused the wasting of resources.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing an intelligence power supply unit, it is equipped with 32A and 16A socket simultaneously, can charge the rifle or charge the rifle for electric automobile through 16A.

The utility model discloses a through following scheme implementation:

An intelligent power supply device is provided with a power supply unit,

the device comprises a controller, a switch circuit and an output socket;

The output socket comprises a 32A socket and two 16A sockets;

The switching circuit comprises a first switch, a second switch and a third switch;

The input ends of the first switch, the second switch and the third switch are respectively connected with an alternating current power supply, the output end of the first switch is connected with the 32A socket, the output end of the second switch is connected with a 16A socket, and the output end of the third switch is connected with another 16A socket;

The controller selectively turns on the first switch to energize the 32A jack, or,

the controller selectively turns on the second switch and/or the third switch to energize the at least one 16A outlet.

intelligence power supply unit, it is equipped with 32A and 16A socket simultaneously, can select at least one 16A rifle or 32A rifle that charges to charge for electric automobile through the controller, satisfied different users' demand of charging, it is more convenient to use.

In one embodiment, the first switch is two pairs of normally open contacts of a first relay, the second switch is two pairs of normally open contacts of a second relay, and the third switch is two pairs of normally open contacts of a third relay.

in one embodiment, a fuel gauge circuit comprising a first fuel gauge circuit, a second fuel gauge circuit, and a third fuel gauge circuit;

The input of first electric quantity metering circuit with the output of first switch is connected, the input of second electric quantity metering circuit with the output of second switch is connected, the input of third electric quantity metering circuit with the output of third switch is connected, the output of first electric quantity metering circuit, the output of second electric quantity metering circuit with the output of third electric quantity metering circuit respectively with the controller is connected.

Through the measurement of electric quantity metering circuit, can accurately accomplish the difference settlement of different sockets.

in one embodiment, the circuit further comprises an over-voltage-under-voltage and anti-sticking detection circuit, wherein the over-voltage-under-voltage and anti-sticking detection circuit comprises a first over-voltage-under-voltage and anti-sticking detection circuit, a second over-voltage-under-voltage and anti-sticking detection circuit and a third over-voltage-under-voltage and anti-sticking detection circuit;

First cross under-voltage and anti-sticking detection circuitry's input with the output of first switch is connected, under-voltage and anti-sticking detection circuitry's input is crossed to the second with the output of second switch is connected, under-voltage and anti-sticking detection circuitry's input is crossed to the third with the output of third switch is connected, first cross under-voltage and anti-sticking detection circuitry's output under-voltage and anti-sticking detection circuitry is crossed to the second with under-voltage and anti-sticking detection circuitry's output is crossed to the third respectively with the controller is connected.

In one embodiment, the system further comprises a wireless network module;

The controller is connected with the wireless network module, and the controller sends the state information of the 32A socket and the two 16A sockets to a user terminal or a server through the wireless network module.

In one embodiment, the smart power device surface is provided with a two-dimensional code associated with the smart power device.

in one embodiment, the controller further comprises a direct current power supply module, wherein the direct current power supply module converts alternating current power into direct current power and supplies power to the controller.

in one embodiment, one end of the first relay, one end of the second relay and one end of the third relay control coil are connected with the direct current power supply;

the other end of the control coil of the first relay is connected with a collector of a first triode, an emitter of the first triode is grounded, and a base set of the first triode is connected with a first output end of the controller;

The other end of the control coil of the second relay is connected with a collector of a second triode, an emitter of the second triode is grounded, and a base set of the second triode is connected with a second output end of the controller;

the other end of the control coil of the third relay is connected with the collector of a third triode, the emitter of the third triode is grounded, and the base set of the third triode is connected with the third output end of the controller.

In one embodiment, the maximum output power of the intelligent power supply device is 7 KW.

for a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.

Drawings

fig. 1 is a schematic structural diagram of an intelligent power supply apparatus according to embodiment 1;

fig. 2 is a schematic structural diagram of an intelligent power supply device according to embodiment 2;

FIGS. 3a to 3c are schematic diagrams of a relay control circuit according to embodiment 2;

fig. 4 a-4 c are schematic circuit diagrams of the electric quantity metering circuit of the embodiment 2;

FIGS. 5 a-5 c are schematic circuit diagrams of the under-voltage and anti-sticking detection circuit according to embodiment 2;

Fig. 6a and 6b are schematic structural diagrams of a power module in embodiment 2;

fig. 7 is a schematic application environment diagram of the intelligent power supply apparatus 200 according to embodiment 2;

fig. 8 is a flow chart of the intelligent power supply device of embodiment 2;

fig. 9 is a schematic flowchart of selecting a charging socket for the intelligent power supply device according to embodiment 2.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "connected," "input," "output," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The utility model discloses the intelligent power supply equipment who is equipped with 32A and 16A socket can be large-scale or small-size electric pile that fills, it can be fixed to fill electric pile, also can be portable, the utility model discloses the intelligent power supply equipment of embodiment can also be portable charging equipment such as socket that charges. The controller in the intelligent power supply equipment can be a single chip microcomputer, a DSP controller or a microcomputer chip and the like.

Referring to fig. 1, fig. 1 is a schematic diagram of an internal circuit connection structure of an intelligent power supply apparatus embodiment 1 equipped with 32A and 16A sockets according to the present invention, and as shown in the figure, the intelligent power supply apparatus 100 of the present embodiment includes a controller 110, a switch circuit 120 and an output socket 130.

Wherein, output socket 130 includes a 32A socket 131 and 2 16A sockets, is 16A socket 132 and 16A socket 133 respectively, 32A socket 131's output current is 32A, and output is 7KW, 2 the output current of 16A sockets all is 16A, and output is 3 KW.

the switch circuit 120 includes a first switch 121, a second switch 122, and a third switch 123, where the first switch 121, the 32A socket 131, and the ac power source 900 form a 32A socket power supply loop, the second switch 122, the 16A socket 132, and the ac power source 900 form a 16A socket power supply loop, and the third switch 123, the 16A socket 133, and the ac power source 900 form another 16A socket power supply loop.

The input ends of the first switch 121, the second switch 122 and the third switch 123 are respectively connected to an ac power supply 900, the output end of the first switch 121 is connected to the 32A socket 131, the output end of the second switch 122 is connected to the 16A socket 132, and the output end of the third switch 123 is connected to the 16A socket 133.

The controller 110 controls the first switch 121 to be turned on or off, the 32A socket 131 to be powered on when the first switch 121 is turned on, the controller 110 further controls the second switch 122 and the third switch 123 to be turned on or off, respectively, the 16A socket 132 to be powered on when the second switch 122 is turned on, and the 16A socket 133 to be powered on when the third switch 123 is turned on.

The maximum output power of the intelligent power supply apparatus 100 of this embodiment is 7KW, that is, the controller 110 can only turn on the first switch 121 to energize the 32A socket 131, or turn on the second switch 122 and/or the third switch 123 to energize the 16A socket 132 and/or the 16A socket 133.

the intelligence power supply unit of this embodiment, it is equipped with 32A and 16A socket simultaneously, can select at least one 16A rifle or 32A rifle that charges to charge for electric automobile through the controller, satisfied different users' demand of charging, it is more convenient to use.

please refer to fig. 2, fig. 2 is a schematic diagram of an internal circuit connection structure of the intelligent power supply device embodiment 2 equipped with 32A and 16A sockets of the present invention, as shown in the figure, the intelligent power supply device 200 of the present embodiment includes a controller 210, a switch circuit 220, an output socket 230, an electricity metering circuit 240, an over-voltage and anti-adhesion detection circuit 250, a wireless network module 260 and a power module, and the surface of the intelligent power supply device 200 is further provided with a two-dimensional code associated with the intelligent power supply device 200.

the specific structures and connection manners of the controller 210, the switch circuit 220 and the output socket 230 are the same as those of embodiment 1, and therefore, the detailed description thereof is omitted.

In this embodiment, the first switch 221 is two pairs of normally open contacts of the first relay, the second switch 222 is two pairs of normally open contacts of the second relay, and the third switch is two pairs of normally open contacts of the third relay 223.

referring to fig. 3a to 3c, fig. 3a to 3c are schematic diagrams illustrating the controller 210 controlling the first relay, the second relay and the third relay to energize the 32A socket 231, the 16A socket 232 and the 16A socket 233.

Referring to fig. 3a, the MCU control signal 1 is a control signal output by the controller 210, the output relay 1 is a first relay, the commercial power L line input and the commercial power N line input are respectively connected to the external ac power source 900, the L line output 1 and the N line output 1 are connected to the 32A socket 231, the commercial power L line input and the commercial power L line output 1 are respectively connected to two ends of a pair of normally open contacts of the output relay 1, and the commercial power N line input and the commercial power N line output 1 are respectively connected to two ends of another pair of normally open contacts of the output relay 1. The MCU control signal 1 is connected to a base set of a triode NPN1 through a resistor R7, an emitting electrode of a triode NPN1 is grounded, an emitting electrode of a triode NPN1 is connected with the base set through a resistor R8, a collecting electrode of a triode NPN1 is connected to one end of a coil of the output relay 1, and the other end of the coil of the output relay 1 is connected with a direct-current power supply.

when the MCU control signal 1 outputs a high level, the triode NPN1 is turned on, a potential difference is formed between two ends of the coil of the output relay 1, two pairs of normally open contacts of the output relay 1 are closed, the N line output 1 is communicated with the N line input of the utility power, the L line output 1 is communicated with the L line input of the utility power, and the 32A socket 231 is powered on.

Fig. 3b to fig. 3c are schematic diagrams illustrating the controller 210 controlling the second relay and the third relay to energize the 16A socket 232 and the 16A socket 233, and the circuit structure and the operation principle of the controller 210 are the same as the principle of the controller 210 controlling the first relay to energize the 32A socket 231 in fig. 3a, and are not repeated herein.

Referring to fig. 4 a-4 c, fig. 4 a-4 c are schematic circuit diagrams of the circuit 240 for measuring electricity quantity, which includes a first circuit for measuring electricity quantity of the 32A socket 231, a second circuit for measuring electricity quantity of the 16A socket 232 and a third circuit for measuring electricity quantity of the 16A socket 233.

Referring to fig. 4a, fig. 4a is a schematic circuit diagram of a first electric quantity metering circuit, where the first electric quantity metering circuit includes an IM1253B embedded metering module U3 and two optocouplers U2 and U4, the embedded metering module U3 has a current transformer, an input end of the current transformer is connected to output ends of two pairs of normally open contacts of an output relay 1, that is, to an L-line output 1 and an N-line output 1, an output end of an embedded metering module U3 sends a metered electric signal to a controller 210 through the optocoupler U4, and the embedded metering module U3 further receives a trigger signal sent by the controller 210 through the optocoupler U2.

After receiving the trigger signal of the controller 210, the embedded metering module U3 sends electrical data such as ac voltage, current, electric quantity, power factor frequency, etc. of the 32A socket 231 to the controller 210.

Fig. 4 b-4 c are schematic diagrams illustrating the second and third electric quantity metering circuits, and the circuit structure and the operation principle thereof are the same as those of the first electric quantity metering circuit in fig. 4a, and are not repeated herein.

referring to fig. 5 a-5 c, fig. 5 a-5 c are schematic circuit diagrams of the undervoltage and anti-stiction detection circuit 250, where the undervoltage and anti-stiction detection circuit 250 includes a first undervoltage and anti-stiction detection circuit, a second undervoltage and anti-stiction detection circuit, and a third undervoltage and anti-stiction detection circuit.

Referring to fig. 5a, fig. 5a is a schematic circuit structure diagram of a first undervoltage and anti-adhesion detection circuit, the first undervoltage and anti-adhesion detection circuit includes a diode D1 and an operational amplifier 1, an input end of the diode D1 is connected to an L-line output 1 of an output relay 1 through a resistor R1, an input end of the diode D1 is further connected to an N-line output 1 of the output relay 1 through a resistor R4, an output end of the diode D1 is connected to a forward input end of the operational amplifier 1 through a resistor R2, a forward input end of the operational amplifier 1 is further grounded through a resistor R6, an output end of the operational amplifier 1 is connected to an MCU undervoltage and anti-adhesion detection port 1 of the controller 210, a reverse input end of the operational amplifier 1 is shorted with the output end, and an output end of the operational amplifier 1 is grounded through a capacitor C1.

By setting the over/under voltage threshold, the 32A socket 231 is in an over/under voltage state as soon as the output of the operational amplifier 1 is higher than the over voltage threshold or lower than the under voltage threshold. If the intelligent power supply device is not in operation, the output of the operational amplifier 1 is no voltage output, and if the voltage output is detected at the moment, the relay is stuck.

Fig. 5 b-5 c are schematic diagrams illustrating the second overvoltage/undervoltage and anti-stiction detection circuit and the third overvoltage/undervoltage and anti-stiction detection circuit, and the circuit structure and the operation principle thereof are the same as those of the first overvoltage/undervoltage and anti-stiction detection circuit in fig. 5a, and are not repeated herein.

referring to fig. 6a and 6b, fig. 6a and 6b are schematic structural diagrams of a power module in this embodiment, after an external 220V/50Hz commercial power AC power supply 900 inputs, it is converted into a +5V DC voltage through AC/DC conversion, and the +5V DC voltage is converted into a +5V DC voltage with isolation through a DC/DC isolation part, so as to supply power to an IM1253B embedded metering module and an optocoupler; meanwhile, the DC voltage of +5V is also reduced to the DC voltage of 3.3V through the LDO part, and the controller and the optocoupler are powered.

Referring to fig. 7, fig. 7 is an application environment of the intelligent power supply apparatus 200 of this embodiment, the intelligent power supply apparatus 200 is connected to the wireless router 300 through a wireless network module (wifi module), and is connected to the server 400 through the wireless router 300, and meanwhile, the user scans only the two-dimensional code set on the power supply apparatus 200 through the APP, and is connected to the intelligent power supply apparatus 200 through the server 400.

Referring to fig. 8, the using process of the intelligent power supply apparatus 200 of the present embodiment is as follows:

Firstly, a user scans a two-dimensional code arranged on the intelligent charging device 200 through an APP of a mobile terminal, the mobile terminal can be an intelligent mobile device such as a mobile phone, a tablet, a sports bracelet and the like, after receiving an inquiry instruction of the mobile phone APP through a server, the controller 210 collects the use condition of the current socket, the use condition comprises whether each socket is used or not, if the socket is used, the data comprises data such as electric quantity and the like and data such as undervoltage and adhesion and the like, the use condition is fed back to an APP client through the server, the user selects the available socket according to a feedback result, the controller 210 controls a corresponding output relay to be closed according to a selection command of the user, after the user inserts the charging gun 600 into the socket, the charging can be started, in the charging process, the controller 210 monitors the current and the electric quantity in real time through a fuel gauge, after the charging of the user is, the controller 210 calculates a charge rate from the amount of electricity used, and feeds back the charge rate to the APP, through which the user settles.

specifically, referring to fig. 9, fig. 9 is a schematic flow chart illustrating that the controller 210 feeds back a result to the user APP and the user selects a charging socket according to the current usage situation of the intelligent power supply device 200:

First, controller 210 judges whether output relay 1 of 32A socket 231 is closed, if output relay 1 is closed, because this intelligent power supply device 200 can only output 32A's electric current at the maximum simultaneously, therefore feedback result 1 to user APP: the other two 16A sockets are unavailable, and the equipment is in a full-load operation state;

If output relay 1 is not closed, then carry out next round of judgement, judge whether output relay 21, 22 of two 16A sockets are closed, if output relay 21, 22 of two 16A sockets are all closed, then 32A electric current has been exported to this equipment, can not add the load again, consequently feedback result 2 to user APP: the 32A socket is unavailable, and the equipment is in a full-load operation state; if neither of the output relays 21, 22 of the two 16A sockets is closed, a result 3 is fed back to the user APP: two 16A sockets and 32A socket 231 are available, the device is in an idle state, and a user can select and use the device according to needs.

If one of the two 16A sockets is closed, the next round of judgment is continued, namely the output relay 21 of the 16A socket 232 is closed, or the output relay 22 of the 16A socket 233 is closed?, if the judgment result is that the output relay 21 of the 16A socket 232 is closed, because there is already one output current of 16A, the 32A socket is unavailable, otherwise the maximum current allowed by the equipment is exceeded, so the result 4 is fed back to the user APP, namely the output relay 22 is not closed, namely the 16A socket 233 is available, but the 32A socket 231 is unavailable, if the judgment result is that the output relay 22 of the 16A socket 233 is closed, because there is already one output current of 16A, the 32A socket is unavailable, otherwise the maximum current allowed by the equipment is exceeded, so the result 5 is fed back to the user APP, namely the output relay 21 is not closed, namely the 16A socket 232 is available, but the 32A socket 231 is unavailable.

The controller feeds one of the above 5 feedback results back to the user APP terminal, and the user can select the available socket according to the feedback result.

Intelligent power supply unit, it is equipped with 32A and 16A socket simultaneously, the user just can look over intelligent power supply unit's in service behavior through cell-phone APP scanning two-dimensional code, behind the controller feeds back the in service behavior of each socket of intelligent power supply unit to user APP, the user can select at least one 16A rifle or 32A rifle that charges to charge for electric automobile through cell-phone APP, has satisfied different users' demand for charging, and it is more convenient to use, simultaneously, intelligent power supply unit can also calculate intelligent power supply unit's power consumption condition in order to make things convenient for the user to settle accounts to and whether can also real-time supervision have the under-voltage and the glutinous condition of even, with guarantee user's safety in utilization.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. an intelligent power supply device, characterized in that:

the device comprises a controller, a switch circuit and an output socket;

the output socket comprises a 32A socket and two 16A sockets;

2. The intelligent power supply device according to claim 1, wherein:

The first switch is two pairs of normally open contacts of the first relay, the second switch is two pairs of normally open contacts of the second relay, and the third switch is two pairs of normally open contacts of the third relay.

3. The intelligent power supply device according to claim 2, wherein:

The electric quantity metering circuit comprises a first electric quantity metering circuit, a second electric quantity metering circuit and a third electric quantity metering circuit;

4. The intelligent power supply device according to claim 2, wherein:

The overvoltage/undervoltage and anti-adhesion detection circuit comprises a first overvoltage/undervoltage and anti-adhesion detection circuit, a second overvoltage/undervoltage and anti-adhesion detection circuit and a third overvoltage/undervoltage and anti-adhesion detection circuit;

5. The intelligent power supply device according to claim 3 or 4, wherein:

The system also comprises a wireless network module;

6. the intelligent power supply device according to claim 1, wherein:

The intelligent power supply equipment surface is provided with a two-dimensional code associated with the intelligent power supply equipment.

7. the intelligent power supply device according to claim 2, wherein:

the controller also comprises a direct current power supply module, wherein the direct current power supply module converts an alternating current power supply into a direct current power supply and supplies power to the controller.

8. The intelligent power supply device according to claim 7, wherein:

One end of the first relay, one end of the second relay and one end of the third relay control coil are connected with the direct-current power supply;

9. The intelligent power supply device according to claim 1, wherein:

the maximum output power of the intelligent power supply equipment is 7 KW.