CN210082987U - Charging device - Google Patents

Abstract

The embodiment of the utility model provides a charging device, including socket, control module, first switch module, second switch module, current detection module and current protection circuit, wherein, first switch module respectively with control module, socket, second switch module is connected, current protection circuit respectively with current detection module and second switch module are connected; the control module is used for controlling the states of the first switch module and the commercial power according to a control instruction, the current detection module is used for detecting a current signal flowing to the socket, and the current protection circuit is used for controlling the states of the second switch module and the commercial power according to the current signal detected by the current detection module. The safety of the charging device is improved.

Description

Charging device

Technical Field

The embodiment of the utility model provides an electric technical field especially relates to a charging device.

Background

At present, with the continuous development of new energy technology, various electric devices (such as electric bicycles, etc.) use electric energy.

In practical applications, a plug is usually disposed in the electric device, and when the electric device is charged, the plug of the electric device is usually inserted into a charging device, which is usually a household socket, for charging. After the plug of the electric equipment is inserted into the charging device, the electric equipment is continuously charged by the mains supply, and the electric equipment is continuously connected with the mains supply. When the utility power is unstable or the electric quantity of the electric equipment is greater than a preset threshold (for example, 98%), if the electric equipment is connected to the charging device, the safety of the electric equipment and the charging device may be affected, which results in poor safety of the charging device in the prior art.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a charging device has improved charging device's security.

In a first aspect, the present invention provides a charging device, comprising a socket, a control module, a first switch module, a second switch module, a current detection module and a current protection circuit,

the first switch module is respectively connected with the control module, the socket and the second switch module, and the current protection circuit is respectively connected with the current detection module and the second switch module;

the control module is used for controlling the states of the first switch module and the commercial power according to a control instruction, the current detection module is used for detecting a current signal flowing to the socket, and the current protection circuit is used for controlling the states of the second switch module and the commercial power according to the current signal detected by the current detection module.

In the above process, the user can control the control module 102 through the control terminal to control the connection state of the charging device and the commercial power, so that the flexibility of charging through the charging device is improved. The current detection module 105 can detect the current flowing to the device to be charged, and when the current is detected to be not satisfied with the preset condition, the charging device is controlled to be disconnected from the mains supply, so that the safety of the charging device is improved, and the waste of electric energy is reduced.

In one possible embodiment, the current detection module is a current transformer.

In one possible embodiment, the charging device further comprises a third switch module and an indicator light, wherein,

the third switch module is respectively connected with the indicator light and the current protection circuit, and the current protection circuit is used for controlling the connection state of the third switch module and the commercial power.

In a possible embodiment, the apparatus further comprises a control gateway, and the control gateway is connected with the control module.

In a possible embodiment, the device further comprises a reset button, wherein,

the reset button is connected with the second switch module and used for controlling the connection state of the second switch module and the commercial power.

In a possible embodiment, the device further comprises a circuit breaker, one end of the circuit breaker is connected with the second switch module, and the other end of the circuit breaker is used for being connected with the mains supply.

In a possible implementation manner, the current protection circuit is specifically configured to control the connection state of the second switch module and the commercial power to be disconnected when the current detected by the current detection module is greater than a first threshold or smaller than a second threshold, where the first threshold is greater than the second threshold.

In a possible implementation manner, the current protection circuit is specifically configured to control a connection state of the third switch module and the commercial power to be a connection state when the current detected by the current detection module is greater than a first threshold or smaller than a second threshold.

In a possible implementation manner, the control instruction includes at least one of a start charging instruction, an end charging instruction, and a timing charging instruction, and the timing charging instruction includes a start charging time and an end charging time.

In a possible embodiment, the connection state of the first switch module with the mains supply includes connection and disconnection; and/or the presence of a gas in the gas,

the connection state of the second switch module and the mains supply comprises connection and disconnection; and/or the presence of a gas in the gas,

the connection state of the third switch module and the mains supply comprises connection and disconnection.

The utility model provides a charging device, which comprises a socket, a control module, a first switch module, a second switch module, a current detection module and a current protection circuit, wherein the first switch module is respectively connected with the control module, the socket and the second switch module, and the current protection circuit is respectively connected with the current detection module and the second switch module; the control module is used for controlling the states of the first switch module and the commercial power according to the control instruction, the current detection module is used for detecting a current signal flowing to the socket, and the current protection circuit is used for controlling the states of the second switch module and the commercial power according to the current signal detected by the current detection module. In the process, the user can control the control module through the control terminal to control the connection state of the charging device and the commercial power, and the flexibility of charging through the charging device is improved. The current detection module can detect the current flowing to the equipment to be charged, and when the current is detected to be not satisfied with the preset condition, the charging device is controlled to be disconnected with the mains supply, so that the safety of the charging device is improved, and the waste of electric energy is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is an application scene diagram of a charging device provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a charging device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of another charging device according to an embodiment of the present invention;

fig. 4 is a schematic view of a charging device according to an embodiment of the present invention;

fig. 5 is a schematic view of another charging device according to an embodiment of the present invention.

Description of reference numerals:

101: a socket;

102: a control module;

103: a first switch module;

104: a second switch module;

105: a current detection module;

106 current protection circuit;

107: a third switch module;

108: an indicator light;

109: a circuit breaker.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Fig. 1 is an application scene diagram of the charging device provided by the embodiment of the present invention. Please refer to fig. 1, which includes a control terminal, a control gateway, a charging device and an electric device.

Alternatively, the electric device may be a device that can be charged, such as an electric bicycle or an electric automobile. The charging device is connected with the mains supply, so that the electric equipment can be charged through the charging device.

Optionally, the control terminal may be a mobile phone, a computer, or other devices. The control terminal may control the charging device through the wireless network and the control gateway, for example, the control terminal may control the charging device to be connected with or disconnected from the commercial power.

In this application, be provided with control module among the charging device, the user can control module through control terminal to the control charging device and the connected state of commercial power have improved the flexibility of charging through charging device. The charging device is also provided with a current detection module and a current protection circuit, the current detection module can detect the current flowing to the equipment to be charged, and when the detected current does not meet the preset condition, the charging device is controlled to be disconnected with the commercial power, so that the safety of the charging device is improved.

Next, the structure of the charging device shown in the present application will be described in detail by specific examples. It should be noted that the following specific embodiments may exist alone or in combination with each other, and the description of the same or similar contents is not repeated in different embodiments.

Fig. 2 is a schematic structural diagram of a charging device according to an embodiment of the present invention, which includes a socket 101, a control module 102, a first switch module 103, a second switch module 104, a current detection module 105, and a current protection circuit 106, wherein,

the first switch module 103 is respectively connected with the control module 102, the socket 101 and the second switch module 104, and the current protection circuit 106 is respectively connected with the current detection module 105 and the second switch module 104;

the control module 102 is configured to control the states of the first switch module 103 and the commercial power according to the control instruction, the current detection module 105 is configured to detect a current signal flowing to the socket 101, and the current protection circuit 106 is configured to control the states of the second switch module 104 and the commercial power according to the current signal detected by the current detection module 105.

Alternatively, the receptacle 101 may be a two-hole receptacle, a three-hole receptacle, or the like.

Optionally, the socket 101 is used for connecting with an electrically powered device (or a device to be charged).

For example, a plug of an electrically powered device may be inserted into the socket 101 to enable connection of the socket 101 and the electrically powered device.

Optionally, the control module 102 may establish a wireless connection with the control terminal, and perform wireless communication with the control terminal through a wireless network.

For example, the control module 102 may establish a wireless connection with a control terminal through a control gateway.

Optionally, the control module 102 may receive a control instruction sent by the control terminal, and control the connection state between the first switch module 103 and the commercial power according to the control instruction.

For example, the control module 102 may control the first switch module 103 to be disconnected from the commercial power according to the control instruction, or the control module 102 may control the first switch module 103 to be disconnected from the commercial power according to the control instruction.

Optionally, the control module 102 may further control the connection state of the first switch module 103 and the commercial power by controlling the state of the first switch module 103.

For example, when the control module 102 controls the first switch module 103 to be in an off state, the first switch module 103 is in an off state with the commercial power. When the control module 102 controls the state of the first switch module 103 to be a closed state, the connection state of the first switch module 103 and the commercial power is a connection state.

Optionally, the control instruction includes at least one of a start charging instruction, an end charging instruction, and a timing charging instruction, where the timing charging instruction includes a start charging time and an end charging time.

Optionally, when the control instruction received by the control module 102 is a charging start instruction, the control module 102 may control the connection state of the first switch module 103 and the commercial power to be a connection state.

Optionally, when the control instruction received by the control module 102 is an instruction to end charging, the control module 102 may control the connection state of the first switch module 103 and the commercial power to be disconnected.

Optionally, when the control instruction received by the control module 102 is a timing charging instruction, the control module 102 controls the connection state of the first switch module 103 and the commercial power to be connected at the charging start time, and controls the connection state of the first switch module 103 and the commercial power to be disconnected at the charging end time.

Optionally, the current detection module 105 is a current transformer.

Alternatively, the current detection module 105 may detect a current signal flowing to the receptacle 101, which is a current signal for charging an electrically powered device.

Optionally, a first threshold and a second threshold are preset in the current protection circuit 106, the current protection circuit 106 may obtain the current detected by the current detection module 105, and when the current detected by the current detection module 105 is greater than the first threshold or smaller than the second threshold, the connection state of the second switch module 104 and the commercial power is controlled to be disconnected.

It should be noted that, in the normal state, the connection state of the second switch module 104 and the commercial power is connection.

Optionally, the first threshold is greater than the second threshold.

Optionally, the first threshold is a maximum bearable current of the electric device. That is, when the current supplied to the electrically powered device is greater than the first threshold, damage may be caused to the electrically powered device.

Optionally, the second threshold is a current magnitude of the electric device when the electric quantity of the electric device reaches a preset electric quantity.

For example, the preset amount of power may be 98%, 99%, etc. Of course, in practical application process, can set up this preset electric quantity according to actual need, the embodiment of the utility model provides a do not do specific limit to this.

Alternatively, when the power of the electric device reaches the preset power, the magnitude of the current supplied to the socket 101 becomes smaller, and the magnitude of the current supplied to the socket 101 is usually smaller than the second threshold.

It should be noted that, when the electric quantity of the electric device reaches the preset electric quantity, it indicates that the electric device is fully charged with electric energy, and if the electric device is continuously charged, the electric energy is wasted.

Optionally, when the current detected by the current detection module 105 is greater than the first threshold, it indicates that the electric device may be damaged by the current provided to the electric device, and the connection state of the second switch module 104 and the commercial power is controlled to be disconnected, so as to suspend charging of the electric device, thereby avoiding damage to the electric device.

Optionally, when the current detected by the current detection module 105 is smaller than the second threshold, it indicates that the electric device is fully charged with electric energy, and the second switch module 104 is controlled to be disconnected from the commercial power to suspend charging the electric device, thereby reducing waste of electric energy.

Next, the operation of the charging device will be described in detail.

In the practical application process, initially, the first switch module 103 is disconnected from the utility power, and the second switch module 104 is connected to the utility power.

When the electric device needs to be charged, the electric device may be connected to the socket 101, and a start charging instruction is sent to the control module 102 through the control terminal, and the control module 102 may control the connection state of the first switch module 103 and the commercial power to be connected according to the start charging instruction. It should be noted that, when the electric device needs to be stopped being charged, the control terminal may send a charging end instruction to the control module 102, and the control module 102 may control the connection state of the first switch module 103 and the commercial power to be disconnected according to the charging end instruction, so that the socket 101 is disconnected from the commercial power, and the electric device is further suspended being charged. The user can realize the control of charging the electric equipment through the control terminal, and the flexibility of charging through the charging device is improved.

When the first switch module 103 is connected to the commercial power, the commercial power may be charged to the electric device through the socket 101. In the process of charging the electric device, the current detection module 105 may detect a current signal flowing to the socket 101 (the current signal flowing to the socket 101 is a current signal for charging the electric device), and send the detected current signal to the current protection circuit 106, the current protection circuit 106 determines whether the current magnitude is between the second threshold and the first threshold, if so, the current protection circuit 106 does not control the second switch module 104, and when the current protection circuit 106 determines that the current magnitude is greater than the first threshold or less than the second threshold, the current protection circuit 106 controls the second switch module 104 to disconnect from the utility power to the second switch module 104, so that the socket 101 is disconnected from the utility power, and further, the electric device is suspended from being charged. Therefore, the damage of overlarge current to the electric equipment can be avoided, and the charging can be finished in time when the electric equipment is full of electric energy, so that the waste of the electric energy is reduced.

The utility model provides a charging device, including socket 101, control module 102, first switch module 103, second switch module 104, current detection module 105 and current protection circuit 106, wherein, first switch module 103 is connected with control module 102, socket 101, second switch module 104 respectively, and current protection circuit 106 is connected with current detection module 105 and second switch module 104 respectively; the control module 102 is configured to control the states of the first switch module 103 and the commercial power according to the control instruction, the current detection module 105 is configured to detect a current signal flowing to the socket 101, and the current protection circuit 106 is configured to control the states of the second switch module 104 and the commercial power according to the current signal detected by the current detection module 105. In the above process, the user can control the control module 102 through the control terminal to control the connection state of the charging device and the commercial power, so that the flexibility of charging through the charging device is improved. The current detection module 105 can detect the current flowing to the device to be charged, and when the current is detected to be not satisfied with the preset condition, the charging device is controlled to be disconnected from the mains supply, so that the safety of the charging device is improved, and the waste of electric energy is reduced.

In addition to any of the above embodiments, the following describes in further detail the structure of the charging device with reference to the embodiment shown in fig. 3.

Fig. 3 is a schematic structural diagram of another charging device according to an embodiment of the present invention. On the basis of the embodiment shown in fig. 2, please refer to fig. 3, the charging device further includes a third switch module 107 and an indicator light 108, wherein the third switch module 107 is respectively connected to the indicator light 108 and the current protection circuit 106, and the current protection circuit 106 is configured to control a connection state of the third switch module 107 and the commercial power.

It should be noted that, in a normal situation, the third switching module 107 is disconnected from the commercial power.

Optionally, when the current detected by the current detection module 105 is greater than the first threshold or less than the second threshold, the third switching module 107 is controlled to be connected to the commercial power.

Optionally, when the second switch module 104 is connected to the commercial power, the indicator light 108 is turned on.

Optionally, a voltage transformation module may be further disposed between the indicator light 108 and the commercial power, and the voltage transformation module may transform the commercial power voltage into an operating voltage of the indicator light 108 and provide the operating voltage to the indicator light 108.

Alternatively, the operating voltage may be 3.6V, etc.

In the above process, the user may determine the operating state of the charging device according to the indicator light 108, and when the indicator light 108 is turned on, may determine that the charging device is faulty or the electric device is fully charged.

Optionally, the charging device may further include a reset button (not shown in fig. 3), wherein the reset button is connected to the second switch module 104, and the reset button is used to control a connection state of the second switch module 104 and the commercial power.

Optionally, the user may press a reset button to set the connection state of the second switch module 104 and the commercial power to be connected.

For example, when the charging device fails, the connection state of the second switch module 104 and the commercial power is disconnected, and after the worker completes the failure, the worker may press the reset button to set the connection state of the second switch module 104 and the commercial power to be connected.

With continued reference to fig. 3, the charging device may further include a circuit breaker 109, one end of the circuit breaker 109 is connected to the second switch module 104, and the other end of the circuit breaker 109 is used for connecting to the commercial power.

Optionally, when the current provided by the utility power is larger than the maximum current that the circuit can bear, the circuit breaker 109 is opened to avoid the damage of the charging device and the electric equipment caused by the excessive current.

With continued reference to fig. 3, the charging device may further include a control gateway (not shown), which is connected to the control module 102.

The control gateway is used to provide route forwarding services and the like to the control module 102.

In the embodiment shown in fig. 3, a user can control the control module 102 through the control terminal to control the connection state of the charging device and the utility power, so that the flexibility of charging through the charging device is improved. The current detection module 105 can detect the current flowing to the device to be charged, and when the current is detected to be not satisfied with the preset condition, the charging device is controlled to be disconnected from the mains supply, so that the safety of the charging device is improved, and the waste of electric energy is reduced.

Fig. 4 is a schematic view of a charging device according to an embodiment of the present invention. Fig. 5 is a schematic view of another charging device according to an embodiment of the present invention. See fig. 4, including the receptacle 101, control gateway, and reset button. Referring to fig. 5, the power supply includes a current protection circuit 106, a socket 101 and a charging interface. Optionally, the charging interface is used for connecting with mains.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

In addition, in the present application, unless otherwise expressly specified or limited, the terms "connected," "secured," "mounted," and the like are to be construed broadly, such as to encompass both mechanical and electrical connections; the terms may be directly connected or indirectly connected through an intermediate medium, and may be used for communicating between two elements or for interacting between two elements, unless otherwise specifically defined, and the specific meaning of the terms in the present application may be understood by those skilled in the art according to specific situations.

The terms "include" and "comprise," as well as derivatives thereof, mean inclusion without limitation. The term "or" is inclusive, meaning and/or.

The term "circuitry" refers to (a) hardware-only circuit implementations (e.g., implementations in analog circuitry and/or digital circuitry); (b) a combination of circuitry and a computer program product comprising software and/or firmware instructions stored on one or more computer-readable memories that work together to cause an apparatus to perform one or more functions described herein; and (c) circuitry that requires software or firmware, even if the software or firmware is not physically present, for operation, such as a microprocessor or a portion of a microprocessor. This definition of "circuitry" also applies to all uses of the term herein, including in any claims. As other examples, herein, the term "circuitry" also includes one or more processors and/or portions thereof and accompanying software and/or firmware implementations.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. A charging device is characterized by comprising a socket, a control module, a first switch module, a second switch module, a current detection module and a current protection circuit, wherein,

the first switch module is respectively connected with the control module, the socket and the second switch module, and the current protection circuit is respectively connected with the current detection module and the second switch module;

the control module is used for controlling the states of the first switch module and the commercial power according to a control instruction, the current detection module is used for detecting a current signal flowing to the socket, and the current protection circuit is used for controlling the states of the second switch module and the commercial power according to the current signal detected by the current detection module.

2. The charging device of claim 1, wherein the current detection module is a current transformer.

3. The charging device of claim 1, further comprising a third switching module and an indicator light, wherein,

the third switch module is respectively connected with the indicator light and the current protection circuit, and the current protection circuit is used for controlling the connection state of the third switch module and the commercial power.

4. The charging device of claim 3, further comprising a control gateway coupled to the control module.

5. A charging arrangement as claimed in any of claims 1 to 4, in which the arrangement further comprises a reset button, in which,

the reset button is connected with the second switch module and used for controlling the connection state of the second switch module and the commercial power.

6. A charging device as claimed in any of claims 1 to 4, further comprising a circuit breaker, one end of the circuit breaker being connected to the second switch module and the other end of the circuit breaker being adapted to be connected to the mains.

7. The charging device according to claim 3 or 4, wherein the current protection circuit is specifically configured to control the second switch module to be disconnected from the utility power when the current detected by the current detection module is greater than a first threshold or smaller than a second threshold, and the first threshold is greater than the second threshold.

8. The charging device according to claim 7, wherein the current protection circuit is specifically configured to control a connection state between the third switching module and the utility power to be a connection state when the current detected by the current detection module is greater than a first threshold or smaller than a second threshold.

9. The charging device according to any one of claims 2 to 4, wherein the control command comprises at least one of a start charging command, an end charging command, and a timing charging command, and the timing charging command comprises a start charging time and an end charging time.

10. The apparatus according to claim 3 or 4,

the connection state of the first switch module and the mains supply comprises connection and disconnection; and/or the presence of a gas in the gas,

the connection state of the second switch module and the mains supply comprises connection and disconnection; and/or the presence of a gas in the gas,

the connection state of the third switch module and the mains supply comprises connection and disconnection.

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