CN216684352U - Power supply accessory and power supply module - Google Patents

Abstract

The utility model provides a power supply accessory and a power supply module. The power supply module includes a power supply assembly and a power supply. The power supply accessory includes a first connecting piece, a second connecting piece and a main body circuit board. The main body circuit board is used for connecting an external device through a power supply When the accessory is connected to the power source, adjust the voltage or current when the power source is discharging the external device, or adjust the voltage or current when the external device is charging the power source. In this way, a circuit with bidirectional voltage and current regulation is provided in the power supply accessory, so that when the power supply and the external device are connected through the power supply accessory connection, the voltage or current when the power supply is discharged to the external device can be adjusted, or the external device is the power supply. The voltage or current during charging can not only automatically realize the adjustment and switching of charging and discharging, but also improve the compatibility and versatility of batteries, while reducing the cost of producing batteries, and ultimately improving operational efficiency.

Description

A power supply accessory and power module

technical field

The present disclosure relates to the field of power supplies, and in particular, to a power supply accessory and a power supply module.

Background technique

With the development of life and the continuous progress of electronic technology, shared electric vehicles have been rapidly promoted across the country and have become the main means of transportation for more and more people to travel in close distances. The number of vehicles has also increased rapidly, so the number of batteries in the shared electric vehicles produced needs to be far more than the number of shared electric vehicles in order to ensure that the shared electric vehicles can operate normally.

After the production of shared electric vehicle batteries is completed, since the specifications of battery packs between different models cannot be changed, the battery packs between different models are basically unusable, resulting in poor battery versatility and compatibility, which is greatly reduced to a certain extent. Operational efficiency.

Utility model content

In view of this, the embodiments of the present disclosure provide a power supply accessory and a power supply module, which at least partially solve the problems existing in the prior art.

A power supply accessory provided by an embodiment of the present invention includes a first connector, a second connector, and a main body circuit board provided with a power supply adjustment circuit;

The first connector and the second connector are located on two sides of the main body circuit board respectively, and are respectively electrically connected to the main body circuit board. The first connector is used for electrical connection with a power supply, and the The second connector is used for electrical connection with the external device;

The main body circuit board is used to adjust the voltage or current of the power supply when the external device is discharged to the external device, or adjust the external device to be The voltage or current at which the power supply is charging.

In some embodiments, the main circuit board includes a power conditioning circuit, a main control chip, and a circuit board body, and the power conditioning circuit and the main control chip are disposed on the circuit board body;

The first end of the power conditioning circuit is connected to the first connecting piece, the second end of the power conditioning circuit is connected to the second connecting piece, and the control end of the power conditioning circuit is connected to the main control chip is connected to adjust the voltage or current in the power supply adjustment circuit according to the control signal of the main control chip.

In some embodiments, the main body circuit board further includes a first communication bus, two ends of the first communication bus are respectively connected to the main control chip and the first connector, and the main control chip passes through the The first communication bus and the first connector communicate with the power source for determining a charging parameter and/or a discharging parameter of the power source.

In some embodiments, the main body circuit board further includes a second communication bus, two ends of the second communication bus are respectively connected to the main control chip and the second connector, and the main control chip passes through the The second communication bus and the second connector communicate with the external device, and are used to determine the charging parameter and/or the discharging parameter of the external device.

In some embodiments, the power supply accessory further includes a housing in which a portion of the first connector, a portion of the second connector, and the main body circuit board are disposed.

In some embodiments, one end of the first connector for connecting with the power source extends out of the casing from the casing so as to be connected to the power source.

In some implementation manners, one end of the second connecting member for connecting with the external device extends out of the housing from the housing so as to be connected with the external device.

In some embodiments, a clamping portion is provided on the casing, the clamping portion is located at one end of the casing close to the first connecting member, and is formed by extending from the casing body to the outside of the casing. The power source is fixed when the first connector is connected to the power source.

In some embodiments, a receiving compartment is disposed on the housing, and the power source is received in the receiving compartment and connected to the first connecting member.

In some embodiments, the power conditioning circuit is a bidirectional buck-boost circuit.

In some embodiments, the power source is a battery pack including lithium batteries and/or accumulators.

The utility model also provides a power supply module, which includes the above-mentioned power supply accessories and a power supply.

The embodiment of the present invention provides a power supply accessory and a power supply module. The power supply assembly includes a first connector, a second connector, and a main body circuit board provided with a power supply adjustment circuit. The first connector and the second connector The connecting pieces are respectively located on both sides of the main body circuit board, and are respectively electrically connected to the main body circuit board. The first connecting piece is used for electrical connection with a power supply, and the second connecting piece is used for electrical connection with an external device ; The main body circuit board is used to adjust the voltage or current of the power supply when the external device is discharged when the external device is connected to the power supply through the power supply accessory, or adjust the external device to be The voltage or current at which the power supply is charging.

In this way, a circuit with bidirectional voltage and current regulation is provided in the power supply accessory, so that when the power supply and the external device are connected through the power supply accessory connection, the voltage or current when the power supply is discharged to the external device can be adjusted, or the external device is the power supply The voltage or current during charging can not only automatically realize the adjustment and switching of charging and discharging, but also improve the compatibility and versatility of batteries, while reducing the cost of producing batteries, and ultimately improving operational efficiency.

In order to make the above-mentioned objects, features and advantages of the present disclosure more obvious and easy to understand, the preferred embodiments are exemplified below, and are described in detail as follows in conjunction with the accompanying drawings.

Description of drawings

In order to explain the technical solutions of the embodiments of the present disclosure more clearly, the following briefly introduces the accompanying drawings required in the embodiments, which are incorporated into the specification and constitute a part of the specification. The drawings illustrate embodiments consistent with the present disclosure, and together with the description serve to explain the technical solutions of the present disclosure. It should be understood that the following drawings only show some embodiments of the present disclosure, and therefore should not be regarded as limiting the scope. Other related figures are obtained from these figures.

FIG. 1 shows a perspective view of a power module provided by an embodiment of the present disclosure;

Fig. 2 shows the sectional view shown at II-II in Fig. 1;

FIG. 3 shows a schematic diagram of an electrical architecture of a main circuit board provided by an embodiment of the present disclosure;

FIG. 4 shows a cross-sectional view of another power module provided by an embodiment of the present disclosure;

FIG. 5 shows a cross-sectional view of yet another power module provided by an embodiment of the present disclosure.

The reference numerals are explained as follows:

100-power module;

110 - Power accessories;

111-first connector; 112-second connector; 113-body circuit board; 114-shell;

1131- power regulation circuit; 1132- main control chip; 1133- circuit board body;

134-the first communication bus; 135-the second communication bus;

power supply 120;

2141-clamping part; 3141-accommodating bin;

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only These are some, but not all, embodiments of the present disclosure. The components of the disclosed embodiments generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the disclosure provided in the accompanying drawings is not intended to limit the scope of the disclosure as claimed, but is merely representative of selected embodiments of the disclosure. Based on the embodiments of the present disclosure, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present disclosure.

It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

The term "and/or" in this paper only describes an association relationship, which means that there can be three kinds of relationships, for example, A and/or B, which can mean: the existence of A alone, the existence of A and B at the same time, the existence of B alone. a situation. In addition, the term "at least one" herein refers to any combination of any one of the plurality or at least two of the plurality, for example, including at least one of A, B, and C, and may mean including from A, B, and C. Any one or more elements selected from the set of B and C.

The research found that when producing shared electric vehicle batteries, due to the existence of various models, each model has different battery specifications, so it needs to be produced according to the battery specifications required by each model, and the battery specifications cannot be changed after production is completed. For normal operation requirements, the number of batteries that need to be produced is much larger than the number of electric vehicles. On the basis of producing a large number of batteries, a large cost is required to maintain normal operation, and the equipment cannot be used for free charging and discharging after the battery is used. Only a new batch of batteries can be produced, which is a huge consumption for the environment and resources, and the battery specifications cannot be changed, which makes the battery packs between different models basically impossible to use, resulting in poor battery versatility and compatibility. .

Based on the above research, an embodiment of the present utility model provides a power supply accessory, comprising: a first connector, a second connector, and a main body circuit board provided with a power conditioning circuit, the first connector and the second connector The components are respectively located on both sides of the main body circuit board, and are respectively electrically connected to the main body circuit board, the first connecting piece is used for electrical connection with a power supply, and the second connecting piece is used for electrical connection with an external device; The main body circuit board is used to adjust the voltage or current of the power supply when the external device is discharged to the external device, or adjust the external device to be The voltage or current at which the power supply is charging.

In this way, when the external device is connected to the power source through the power supply accessory, the voltage or current of the power source when discharging the external device is adjusted, or the voltage or current when the external device is charging the power source is adjusted. The voltage or current can be adjusted automatically according to the demand, and the compatibility and versatility of the battery can also be improved. While improving the compatibility of the battery, the cost of producing the battery can be reduced, and finally the operation efficiency can be improved.

Please refer to FIG. 1 and FIG. 2 at the same time. FIG. 1 is a perspective view of a power module according to an embodiment of the disclosure, and FIG. 2 is a cross-sectional view shown at II-II in FIG. 1 . As shown in FIG. 1 and FIG. 2 , the power supply module 100 provided by the embodiment of the present disclosure includes a power supply accessory 110 and a power supply 120 , the power supply 120 is located at one end of the power supply accessory 110 , and the power supply 120 is connected to the power supply accessory 110 is electrically connected, and the other end of the power supply accessory 110 is used to connect an external device (not shown in the figure), and the power supply accessory 110 is used to adapt the power supply 120, so that the power supply 120 can be adapted to different The external device of the power consumption specification, when the power supply 120 discharges the external device, or when the external device charges the power supply 120, can be based on the charging and discharging parameters of the power supply 120 and all the parameters of the external device. The charging and discharging parameters of the external device are adjusted in real time, and the voltage or current of the charging and discharging is adjusted in real time, so that the power supply 120 can be adapted to external devices of different specifications.

The power source 120 may be a battery pack formed by splicing multiple batteries, and the battery pack includes lithium batteries and/or accumulators.

The power supply accessory 110 includes a first connector 111 , a second connector 112 , a main body circuit board 113 and a housing 114 , part of the first connector 111 , part of the second connector 112 and the main body circuit board 113 provided in the housing 114, the first connector 111 and the second connector 112 are respectively located on both sides of the main circuit board 113, and the first connector 111 and the second connector 112 are respectively electrically connected with the main body circuit board 113, the first connector 111 is used for electrical connection with the power supply 120, so as to realize the connection and adaptation of the power supply accessory 110 and the power supply 120, the second The connector 112 is used to connect the external device, so as to realize the connection and adaptation of the power module 100 and the external device.

It should be noted here that the first connecting member 111 and the second connecting member 112 may be pins, gold fingers, plug-in ports, connecting wires and the like. In the embodiment of the present disclosure, the first connector 111 and the second connector 112 have the same style and the same number of pins as an example for description, but it is not limited to this. In other implementations For example, the styles of the first connector 111 and the second connector 112 may also be different, and the number of pins in the first connector 111 and the second connector 112 may also be Different, can be freely set according to the power supply and external equipment that need to be connected.

One end of the first connecting member 111 for connecting with the power source 120 extends out of the casing 114 from the casing 114 so as to be connected to the power source 120 , and the other end of the first connecting member 111 is located at the outer casing 114 . The housing 114 is connected to the main body circuit board 113, and one end of the second connector 112 for connecting with the external device extends out of the housing 114 so as to be connected with the external device. For connection of external devices, the other end of the second connector 112 is located in the housing 114 and is connected to the main circuit board 113 .

Wherein, the first connector 111 and the second connector 112 may be a device that connects two active devices to transmit current or signal, and the two sides of the contact connector can transmit information or current after being contacted, Its shape can be circular or rectangular according to its specific performance, and its frequency can be low or high frequency.

Please also refer to FIG. 3 , which is a schematic diagram of an electrical structure of a main circuit board according to an embodiment of the present disclosure. The main circuit board 113 includes a power conditioning circuit 1131, a main control chip 1132 and a circuit board body 1133. The power conditioning circuit 1131 and the main control chip 1132 are arranged on the circuit board body 1133. The power conditioning circuit The first end of 1131 is connected to the first connector 111, so as to realize the connection between the first connector 111 and the main circuit board 113, and the second end of the power conditioning circuit 1131 is connected to the second The second connector 112 is connected to the main circuit board 113, and the control end of the power conditioning circuit 1131 is connected to the main control chip 1132 for receiving the main control chip 1132. to adjust the voltage or current input by the power supply 120 or the voltage or current input by the external device, so as to adjust the voltage or current in the power supply adjustment circuit 1131 according to the control signal of the main control chip 1132 Current size, so that power supplies and external devices of different specifications can be adapted after adjustment.

The circuit board body 1133 is fixed in the housing 114 . Wherein, the inside of the casing 114 may be provided with protrusions (not shown) for carrying or snapping the circuit board body 1133, and the circuit board body 1133 may be clamped between the protrusions, or by the protrusions. The bearing, furthermore, can also be fixedly connected with the protrusions by means of adhesives or fasteners such as screws.

The main circuit board 113 further includes a first communication bus 134 and a second communication bus 135 . Both ends of the first communication bus 134 are respectively connected to the main control chip 1132 and the first connector 111 , and the main control chip 1132 passes through the first communication bus 134 and the first connector 111 Communicating with the power source for determining charging parameters and/or discharge parameters of the power source 120 .

Two ends of the second communication bus 135 are respectively connected to the main control chip 1132 and the second connector 112 , and the main control chip 1132 passes through the second communication bus 135 and the second connector 130 . Communication with the external device is used to determine the charging parameter and/or the discharging parameter of the external device.

A power supply adjustment circuit 1131 and a main control chip 1132. The power supply adjustment circuit 1131 is provided with a first communication bus 134 and the second communication bus 135. One end of the main control chip 1132 is the first communication bus 134 and the The first connector 111 communicates with the power supply for determining the charge and discharge parameters of the power supply, and the other end communicates with the external device through the second communication bus 135 and the second connector 112 for determining Charge and discharge parameters of the external device.

Wherein, the power conditioning circuit 1131 can be a bidirectional buck-boost circuit, whose input voltage or current is opposite to the polarity of the output voltage or current, and the control terminal is connected to the main control chip 1132, after receiving the main control chip 1132 It starts to work when the control signal of the control chip 1132 is used, and it can also be other circuits with a bidirectional adjustment function.

The main control chip 1132 can be a bridge connecting various devices, and it can be responsible for the communication between I/O buses, such as PCI bus, USB, LAN, ATA, SATA, audio controller, keyboard controller, Real-time clock controller, advanced power management, etc.

Wherein, the first communication bus 134 and the second communication bus 135 may be a CAN serial communication network bus that effectively supports distributed control or real-time control.

Specifically, after the power supply module 100 is connected to the external device, that is, after the external device is electrically connected to the power supply 120 through the power supply accessory 110, the main control chip in the power supply accessory 110 1132 can communicate with the external device through the second connecting piece 112 and the second communication bus 135 to identify the type of the external device, if it is recognized that the type of the external device is connected to the external device. When the power supply 120 is charging the charging device, the main control chip 1132 can communicate with the external device through the second connector 112 and the second communication bus 135 to further obtain the discharge parameters of the external device , and can communicate with the power supply 120 through the first connector 111 and the first communication bus 134 to identify the charging parameters of the power supply module 200, and then can be based on the discharge parameters of the external device and The charging parameter of the power supply 120 adjusts the voltage and/or current in the power supply adjustment circuit 1131, that is, adjusts the magnitude of the voltage and/or current received from the external device to output to the power supply 120 for all purposes. The power supply 120 is charged, so that the adaption of the power supply 120 to charging devices of different specifications can be realized.

Exemplarily, if the charging voltage of the external device is 60V, but the charging voltage accepted by the power supply is 48V, after receiving the input voltage of 60V, the power supply adjustment circuit can adjust the voltage in the circuit to 48V, to realize the charging of the power supply.

On the contrary, if it is recognized that the type of the external device is a powered device, that is, when the power supply 120 is required to discharge the external device, the main control chip 1132 can pass the second connector 112 and the The second communication bus 135 communicates with the external device to further obtain the charging parameters of the external device, that is, the power consumption parameters of the external device, and the main control chip 1132 can pass the first connector 111 and the external device. The first communication bus 134 communicates with the power supply 120 to obtain the discharge parameters of the power supply 120, and then the power supply adjustment circuit 1131 can be adjusted according to the charging parameters of the external device and the discharge parameters of the power supply 120. The voltage and/or current in the power supply 120 is adjusted, that is, the magnitude of the voltage and/or current received from the power supply 120 is adjusted to output to the external device to supply power to the external device, so that the power supply 120 and different specifications can be realized. adaptation of electrical equipment.

Please also refer to FIG. 4 and FIG. 4 are cross-sectional views of another power module according to an embodiment of the present disclosure. As shown in FIG. 4 , the power module 200 includes a power accessory 210 and a power source 220 . The power accessory 210 includes a first connector 211 , a second connector 212 , a main body circuit board 213 and a housing 214 . The difference between the embodiment shown in FIG. 4 and the embodiment shown in FIG. 2 is that, in the embodiment shown in FIG. 4 , the housing 214 is provided with a clamping portion 2141 , and the clamping portion 2141 is located on the housing 214 The clamping portion 2141 is formed by extending from the body of the casing 114 to the outside of the casing 114 .

Wherein, there may be two clamping parts 2141 , and the two clamping parts 2141 are respectively disposed on opposite sides of the casing 214 for connecting the first connecting member 211 and the power supply 220 . When connecting, the power source 220 is clamped to fix the power source 220 . In order to avoid the instability of the power supply and the loose connection at the power supply, the current transmission is unstable, resulting in possible leakage, which will affect the normal operation of the overall power supply accessories.

Please also refer to FIG. 5 , which is a cross-sectional view of yet another power module provided by an embodiment of the present disclosure. As shown in FIG. 5 , the power module 300 includes a power accessory 310 and a power source 320 . The power accessory 310 includes a first connector 311 , a second connector 312 , a main body circuit board 313 and a housing 314 . The difference between the embodiment shown in FIG. 5 and the embodiment shown in FIG. 2 is that the housing 314 in FIG. 5 is provided with a receiving compartment 3141 . It can be accommodated in the accommodating compartment 3141 and connected with the first connecting piece 311 .

Further, the casing 314 can also be provided with a cover plate to fill the opening of the receiving compartment 3141 .

The power supply accessories and power supply modules provided by the embodiments of the present invention adjust the voltage or current of the power supply when the external device is discharged when the external device is connected to the power supply through the power supply accessory, Or adjust the voltage or current when the external device is charging the power supply, so that the charging and discharging adjustment and switching can be automatically realized according to the demand, and the compatibility and versatility of the battery can also be improved, while the cost of producing the battery can be reduced, and the operation efficiency can be finally improved. .

The above-described embodiments are some, but not all, of the embodiments of the present disclosure. Based on the embodiments in the embodiments of the present disclosure, all other embodiments obtained by persons of ordinary skill in the art without creative work fall within the protection scope of the embodiments of the present disclosure.

In the description of the embodiments of the present disclosure, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" The orientation or positional relationship indicated by ” etc. is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the disclosed product is usually placed in use, only for the convenience of describing the present invention and simplifying the description, not Indicating or implying that the referred electric vehicle or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention. Furthermore, the terms "first", "second", "third", etc. are only used to differentiate the description and should not be construed as indicating or implying relative importance.

In the description of the embodiments of the present disclosure, it should also be noted that, unless otherwise expressly specified and limited, the terms "arranged", "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be fixed The connection can also be a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

The above are only specific implementations of the embodiments of the present disclosure, but the protection scope of the embodiments of the present disclosure is not limited thereto. The conceivable changes or substitutions should all fall within the protection scope of the embodiments of the present disclosure. Therefore, the protection scope of the embodiments of the present disclosure should be subject to the protection scope of the claims.

Claims (12)

1. A power supply accessory is characterized by comprising a first connecting piece, a second connecting piece and a main circuit board provided with a power supply regulating circuit;

the first connecting piece and the second connecting piece are respectively positioned at two sides of the main body circuit board and are respectively electrically connected with the main body circuit board, the first connecting piece is used for being electrically connected with a power supply, and the second connecting piece is used for being electrically connected with external equipment;

the main body circuit board is used for adjusting the voltage or the current of the power supply when the external equipment discharges or adjusting the voltage or the current of the external equipment when the power supply charges under the condition that the external equipment is connected to the power supply through the power supply accessory.

2. The power accessory of claim 1, wherein the main circuit board comprises a power regulating circuit, a main control chip, and a circuit board body, the power regulating circuit and the main control chip being disposed on the circuit board body;

the first end of the power supply regulating circuit is connected with the first connecting piece, the second end of the power supply regulating circuit is connected with the second connecting piece, and the control end of the power supply regulating circuit is connected with the main control chip and used for regulating the voltage or current in the power supply regulating circuit according to the control signal of the main control chip.

3. The power accessory of claim 2, wherein the main body circuit board further comprises a first communication bus, two ends of the first communication bus are respectively connected with the main control chip and the first connecting piece, and the main control chip communicates with the power supply through the first communication bus and the first connecting piece to determine a charging parameter and/or a discharging parameter of the power supply.

4. The power accessory of claim 2, wherein the main circuit board further comprises a second communication bus, two ends of the second communication bus are respectively connected to the main control chip and the second connector, and the main control chip communicates with the external device through the second communication bus and the second connector to determine the charging parameter and/or the discharging parameter of the external device.

5. The power accessory of claim 1, further comprising a housing in which a portion of the first connector, a portion of the second connector, and the body circuit board are disposed.

6. The power accessory of claim 5, wherein an end of the first connector for connection to the power source extends out of the housing for connection to the power source.

7. The power accessory of claim 5, wherein an end of the second connector for connection to the external device extends out of the housing for connection to the external device.

8. The power accessory of claim 5, wherein the housing includes a retaining portion at an end of the housing proximate the first connector and formed by the housing body extending outwardly from the housing for retaining the power source when the first connector is coupled to the power source.

9. The power accessory as claimed in claim 5, wherein a receptacle is provided on the housing, and the power supply is received in the receptacle and connected to the first connecting member.

10. The power accessory of claim 1, wherein the power regulation circuit is a bi-directional BUCK-BOOST circuit.

11. The power accessory of claim 1, wherein the power source is a battery pack comprising lithium batteries and/or secondary batteries.

12. A power module comprising the power accessory of any one of claims 1-11 and a power supply.

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