Disclosure of Invention
The utility model mainly aims to provide a detection device and charging equipment, and aims to detect and identify the magnitude of input current through the detection device so as to protect electric equipment and avoid safety accidents.
To achieve the above object, the present utility model provides a detection device including:
the conversion assembly is provided with a current input end and a first connecting end, and the first connecting end is provided with a magnetic piece; and
the detection assembly comprises a second connecting end, a current detection module and a magnetic switch, wherein the second connecting end is detachably connected to the first connecting end, so that the detection assembly is detachably connected with the conversion assembly, the current detection module is used for detecting the current, and the magnetic switch is arranged adjacent to the second connecting end and is electrically connected with the current detection module;
when the detection assembly is matched with the conversion assembly, the magnetic piece activates the magnetic switch so that the current detection module performs current detection.
In an embodiment, the detecting device further includes a controller, the controller is electrically connected with the current detecting module, and the controller is used for controlling the magnitude of the output current of the current detecting module.
In one embodiment, the detection assembly further comprises a current output end, and the controller is electrically connected to the current output end and controls the magnitude of the current output by the current output end;
the detection assembly is matched with the conversion assembly, and the current output end is electrically connected with the current input end.
In an embodiment, the detecting component is further provided with a temperature detecting member, the temperature detecting member is electrically connected with the controller and the current detecting module respectively, and the temperature detecting member is used for detecting the temperature of the detecting component.
In an embodiment, the detection assembly is further provided with a display screen, the display screen is electrically connected with the controller, and the display screen is used for displaying the temperature of the detection assembly and the output current.
In an embodiment, the second connection end is provided with a detection pin electrically connected with the current detection module;
the conversion assembly is installed in cooperation with the detection assembly, and the detection pin penetrates through the first connecting end to be electrically connected with the current input end.
In an embodiment, the conversion component is provided with a housing, two opposite ends of the housing are the current input end and the first connection end respectively, the current input end is provided with a power supply contact pin, the power supply contact pin is used for inputting current, the first connection end is provided with a mounting groove, and the detection component is detachably mounted in the mounting groove and enables the detection contact pin to be electrically connected with the power supply contact pin.
In an embodiment, the second connection end is provided with a positioning block, the positioning block is provided with a side wall matched with the mounting groove and a positioning surface perpendicular to the side wall, and the detection pin is arranged on the positioning surface and extends to a side far away from the positioning surface.
In an embodiment, the power supply pin is provided with a live wire, and a temperature control switch is arranged on the live wire and used for detecting the temperature of the conversion component.
The utility model also proposes a charging device comprising:
an electricity consumption main body; and
the detection device as described above, wherein the current detection device is electrically connected to the main body.
The detection device comprises a conversion component and a detection component, wherein the conversion component is provided with a current input end and a first connection end, and the current input end is used for inputting current for the detection device; the detection component is provided with a second connecting end corresponding to the first connecting end, and the first connecting end and the second connecting end are detachably connected, so that the conversion component is detachably connected with the detection component; the detection assembly is provided with a current detection module for detecting the current, the current detection module is provided with a magnetic switch adjacent to the second connecting end, and the first connecting end is provided with a magnetic piece corresponding to the magnetic switch, so that when the detection assembly and the conversion assembly are matched and installed, the magnetic piece activates the magnetic switch, and the current detection module starts to detect the current input into the detection device, so that electric equipment is protected, and safety accidents are avoided.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all the directional indicators in the embodiments of the present utility model are only used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture, and if the specific posture is changed, the directional indicators are correspondingly changed.
Meanwhile, the meaning of "and/or" and/or "appearing throughout the text is to include three schemes, taking" a and/or B "as an example, including a scheme, or B scheme, or a scheme that a and B satisfy simultaneously.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
Nowadays, along with the increasing popularity of electric vehicles, the convenience and safety of electric vehicle charging are also gradually paid attention to, and the main current charging mode of the electric vehicle is a mode three or a mode four of using a charging pile, but for some users inconvenient to use the charging pile, the electric vehicle is also charged usually through a mode two of using a portable charging gun, so that the electric vehicle is charged in a home environment.
The maximum charging current of the electric vehicle charging gun in the second use mode is 16A, and the output current of a socket in the home environment is 10A, so that a 10A conversion 16A conversion plug is required to charge the electric vehicle in the home environment, and the electric vehicle can be charged. The current of the input plug cannot be identified and detected by the existing conversion plug, so that when an electric vehicle charging gun or other charging equipment is connected to the traditional conversion plug, the working current of the electric vehicle charging gun or other charging equipment in charging can be more than 10A, a cable can be heated after long-time use, meanwhile, damage to electric equipment or the charging gun can be caused, and certain potential safety hazards exist.
Based on the above concepts and problems, the present utility model proposes a detection apparatus 100. It can be appreciated that the detection device 100 is applied to the technical field of electric automobile charging, and is used for detecting the current when the electric automobile is charged, and the traditional conversion socket and plug cannot identify and detect the input current, so that the electric equipment still uses electricity according to larger current when in use, and certain potential safety hazards exist when the electric equipment is used for a long time. The detection device 100 can convert different types of plugs, such as a 10A small plug commonly used in families and a 16A large plug commonly used for charging air conditioners and electric vehicles, through the conversion assembly 1, and is also provided with the detection assembly 2 electrically connected with the conversion assembly 1 for identifying and detecting the magnitude of input current.
Referring to fig. 1 to 4 in combination, in the embodiment of the utility model, the detecting device 100 includes a converting element 1 and a detecting element 2, the converting element 1 is provided with a current input end 12 and a first connecting end 13, the first connecting end 13 is provided with a magnetic member, the detecting element 2 includes a second connecting end 21, a current detecting module 22 and a magnetic switch 23, the second connecting end 21 is detachably connected to the first connecting end 13, so that the detecting element 2 is detachably connected to the converting element 1, the current detecting module 22 is used for detecting the current, and the magnetic switch 23 is disposed adjacent to the second connecting end 21 and is electrically connected to the current detecting module 22; when the detecting component 2 is mounted in cooperation with the converting component 1, the magnetic element activates the magnetic switch 23 to make the current detecting module 22 perform current detection.
In this embodiment, the detecting device 100 includes a converting assembly 1 and a detecting assembly 2, where the converting assembly 1 is detachably connected to the detecting assembly 2, such as a clamping connection or a plugging connection, and the converting assembly 1 is provided with a current input end 12 and a first connection end 13, where the current input end 12 is used for being electrically connected to a power supply device, so that the current is input into the detecting device 100 and detected by the detecting assembly 2, and the first connection end 13 of the converting assembly 1 is detachably connected to a second connection end 21 provided on the detecting assembly 2.
It can be understood that the conversion assembly 1 is used for converting two kinds of plugs with different specifications, for example, the current input end 12 is a small 10A plug commonly used in families, and the first connection end 13 can be connected with a large 16A plug commonly used in air conditioner and electric vehicle charging; of course, the conversion assembly 1 may also convert plugs of other types and current magnitudes, and is not limited herein.
In this embodiment, the detecting component 2 is provided with a second connecting end 21 detachably connected with the first connecting end 13, so that the converting component 1 is detachably connected with the detecting component 2, the detecting component 2 is provided with a current detecting module 22, and when the detecting component 2 and the converting component 1 are connected together, current is transmitted from the current input end 12 to the current detecting module 22, so that the current is detected by the current detecting module 22. It will be appreciated that when the conversion assembly 1 connects the power supply device to the conversion assembly 1, the current detection module 22 detects the magnitude of the input current to determine the magnitude of the current output by the power supply device.
In this embodiment, the current detection module 22 is provided with the magnetic switch 23, the first connection end 13 of the conversion component 1 is provided with the magnetic piece corresponding to the magnetic switch 23, so that the first connection end 13 is connected with the second connection end 21, the conversion component 1 is electrically connected with the detection component 2, the magnetic piece activates the magnetic switch 23, and then the magnetic switch 23 is closed, the current detection module 22 forms a loop, and the current is detected. It will be appreciated that the magnetic elements and switches 23 include, but are not limited to magnetically operated switches, mechanical switches, tact switches, hall element switches, proximity switches, and other sensors capable of performing this function, without limitation. The magnetic switch 23 is connected with the first connection terminal 13 and the second connection terminal 21, and even if the current detection module 22 is turned on, the current detection is realized, and the sensitivity and the rapidity of the detection device 100 are improved.
The detection device 100 of the present technical solution comprises a conversion component 1 and a detection component 2, wherein the conversion component 1 is provided with a current input end 12 and a first connection end 13, and the current input end 12 is used for inputting current to the detection device 100; the detection component 2 is provided with a second connecting end 21 corresponding to the first connecting end 13, and the first connecting end 13 and the second connecting end 21 are detachably connected, so that the conversion component 1 and the detection component 2 are also detachably connected; the detection assembly 2 is provided with a current detection module 22 for detecting the current, the current detection module 22 is provided with a magnetic switch 23 adjacent to the second connecting end 21, and the first connecting end 13 is provided with a magnetic piece corresponding to the magnetic switch 23, so that when the detection assembly 2 is matched with the conversion assembly 1, the magnetic piece activates the magnetic switch 23, and the current detection module 22 starts to detect the current input into the detection device 100, thereby protecting electric equipment and avoiding safety accidents.
In an embodiment, the detecting device 100 further includes a controller, which is electrically connected to the current detecting module 22, and is configured to control the magnitude of the current output by the current detecting module 22.
In this embodiment, the detection device 100 is further provided with a controller, which may be installed inside the detection assembly 2 or outside the detection assembly 2, and the controller is electrically connected to the detection assembly 2, specifically, the controller is electrically connected to the current detection module 22 in the detection assembly 2, and the controller is a highly integrated control device, which may be a control circuit board or a control chip, which is not limited herein. It can be understood that when the magnetic element activates the magnetic switch 23, the current detection module 22 starts to detect the current input into the detection device 100, and the controller can regulate and control the output current of the current detection module 22, so that the current output by the detection device 100 to the electric equipment is consistent with the input current to the current detection device 100, and the maximum rated current of the electric equipment is not exceeded, so as to ensure the safety of electricity utilization.
In one embodiment, the detecting assembly 2 further includes a current output end 24, and the controller is electrically connected to the current output end 24 and controls the magnitude of the current output by the current output end 24; wherein, detection subassembly 2 and conversion subassembly 1 cooperation installation, electric current output 24 is connected with electric current input 12.
It can be appreciated that, as shown in fig. 1, 3 and 4, the detecting device 100 is generally electrically connected to an external electric device, and provides functions of current detection and current conversion for the external electric device, so as to achieve the purposes of protecting the external electric device and reducing the probability of occurrence of a safety accident. The current output end 24 in the detection assembly 2 is electrically connected with external electric equipment so as to output the detected and converted current to the external electric equipment, wherein the external electric equipment can be a charging gun or a charging pile of a new energy automobile or other equipment needing to be charged or to carry out current detection. And, when the detecting assembly 2 is mounted in cooperation with the converting assembly 1, the current input end 12 can be electrically connected with the current output end 24 through the current detecting module 22 and the controller, so as to realize current transmission.
In an embodiment, the detecting assembly 2 is further provided with a temperature detecting member 25, the temperature detecting member 25 is electrically connected to the controller and the current detecting module 22, and the temperature detecting member 25 is used for detecting the temperature of the detecting assembly 2.
In this embodiment, as shown in fig. 3 and 4, the detecting assembly 2 is further provided with a temperature detecting member 25 electrically connected to the controller, and the other end of the temperature detecting member 25 is electrically connected to the current detecting module 22, where the temperature detecting member 25 may be a temperature detecting circuit with a thermistor, a temperature sensor or a temperature probe, and is not limited herein. It will be appreciated that when the detecting assembly 2 is mounted in cooperation with the converting assembly 1, the temperature detecting member 25 electrically connected to the current detecting module 22 starts to work, so as to monitor the temperature inside the detecting assembly 2 in real time, and transmit the monitored temperature data to the controller, and when the temperature inside the detecting assembly 2 rises to a certain value due to continuous power-on, the controller can control the detecting assembly 2 to be disconnected from the converting assembly 1, so as to protect the current detecting device 100, the front-end power transmission equipment and the rear-end power consumption equipment. Specifically, the controller is provided with a preset temperature threshold inside, when the temperature detecting piece 25 transmits the temperature data monitored in real time to the inside of the controller, the controller analyzes and judges the temperature data, and when the temperature data is larger than the preset temperature threshold, the controller can control the detecting assembly 2 to be disconnected from the converting assembly 1, so that the safety of the detecting device 100 is effectively improved. In another embodiment, the controller is provided with an environment monitoring sensor, the environment monitoring sensor has the function of automatically adjusting the temperature threshold according to the working environment, for example, when the environment temperature is higher and/or the closed charging environment and/or the charging occasion has personnel activity, the environment monitoring sensor can lower the temperature threshold, for example, 70-80 ℃, so that the controller can control the detection assembly 2 and the conversion assembly 1 to be disconnected at a lower temperature, the safety coefficient and the safety redundancy are improved, and the life and property safety of personnel in a charging place is ensured; on the other hand, when the ambient temperature is low or in an open charging environment, the ambient monitoring sensor can properly raise the temperature threshold, such as above 80 ℃, improve the adaptability to the environment and ensure the charging efficiency.
In an embodiment, the detecting component 2 is further provided with a display screen, and the display screen is electrically connected with the controller and is used for displaying the temperature and the output current of the detecting component 2.
It can be understood that the detecting component 2 is further provided with a display screen electrically connected with the controller, where the display screen is used for displaying related parameter information in the controller, such as the current temperature inside the detecting component 2, the current detected by the current detecting module 22 and the output current after being regulated by the controller, and the display screen can check the operation data and the operation state of the detecting device 100 in real time, so that an operator can adjust the detecting device 100 in time, and convenience and safety of use are improved.
In one embodiment, the second connection end 21 is provided with a detection pin 211 electrically connected with the current detection module 22; the conversion assembly 1 and the detection assembly 2 are mounted in a matched manner, and the detection pin 211 passes through the first connection end 13 to be electrically connected with the current input end 12.
It will be appreciated that, as shown in fig. 3, the second connection end 21 of the detection component 2 is provided with a detection pin 211 electrically connected with the current detection module 22, and the detection pin 211 can pass through the first connection end 13 to be electrically connected with the current input end 12 after the conversion component 1 and the detection component 2 are cooperatively installed, so as to realize that current flows from the conversion component 1 to the detection component 2, and meanwhile, the detection pin 211 is also electrically connected with the current detection module 22, so that the current is input into the current detection module 22 and is detected by the current detection module 22.
In an embodiment, the conversion assembly 1 is provided with a housing 11, two opposite ends of the housing 11 are a current input end 12 and a first connection end 13, the current input end 12 is provided with a power supply pin 121, the power supply pin 121 is used for inputting current, the first connection end 13 is provided with a mounting groove, the detection assembly 2 is detachably mounted in the mounting groove, and the detection pin 211 is electrically connected with the power supply pin 121.
It will be appreciated that, as shown in fig. 1 and 2, the conversion module 1 has a housing 11, one end of the housing 11 is a current input end 12, a power supply pin 121 is disposed on the current input end 12 and is used for being electrically connected with an external power supply device to input current to the detection device 100, a mounting groove capable of mounting the detection module 2 is formed on the first connection end 13, when the detection module 2 is detachably mounted in the mounting groove, the detection pin 211 is electrically connected with the power supply pin 121 through the first connection end 13, so as to realize the input of current from the conversion module 1 to the detection module 2, and the current is detected by the current detection module 22.
In one embodiment, the second connecting end 21 is provided with a positioning block, the positioning block is provided with a side wall matched with the mounting groove and a positioning surface perpendicular to the side wall, and the detection pin 211 is arranged on the positioning surface and extends to a side far away from the positioning surface.
It will be appreciated that the second connecting end 21 is provided with a positioning block, which has a side wall that cooperates with the mounting groove, i.e. the cross-sectional shape of the positioning block is identical to the cross-sectional shape of the mounting groove, so that the positioning block can be inserted into the mounting groove to achieve a detachable connection of the conversion assembly 1 and the detection assembly 2. The positioning block is also provided with a positioning surface perpendicular to the side wall, the positioning surface is arranged towards one side of the conversion assembly 1, and the positioning surface is provided with a detection pin 211, so that the detection pin 211 extends towards one side far away from the positioning surface; when the positioning surface abuts against the bottom wall of the mounting groove, the detection pin 211 can pass through the first connection end 13 to be electrically connected with the power supply pin 121, so as to realize current transmission.
In one embodiment, the power pin 121 has a hot wire, and a temperature control switch 1211 is disposed on the hot wire, and the temperature control switch 1211 is used to detect the temperature of the conversion assembly 1.
It will be appreciated that, as shown in fig. 2, the power supply pin 121 has a live wire, a temperature control switch 1211 is disposed on the live wire, the temperature control switch 1211 is used for detecting the temperature in the conversion assembly 1, the temperature control switch 1211 may be a temperature detection circuit or a temperature sensor, the temperature switch monitors the temperature in the conversion assembly 1 in real time, and when the temperature in the conversion assembly 1 exceeds 85 degrees celsius, the temperature switch disconnects the live wire on the power supply pin 121 of the conversion assembly 1, so that the conversion assembly 1 is disconnected from an external power supply, and is matched with the temperature detection component 25, thereby further improving the protection of the current detection device 100.
The utility model also provides a charging device, which comprises an electricity utilization main body and the detection device 100, wherein the detection device 100 is electrically connected with the electricity utilization main body. The specific structure of the detection device 100 refers to the foregoing embodiments, and since the charging apparatus adopts all the technical solutions of all the foregoing embodiments, at least the technical solutions of the foregoing embodiments have all the beneficial effects, which are not described in detail herein.
It should be understood that the detecting device 100 may be external to the charging apparatus, or may be installed in the charging apparatus, which is not limited herein; meanwhile, the electricity consumption main body may be a device that needs to be charged or perform current detection, such as a new energy automobile charging gun, a new energy automobile charging pile or a charging station, and the like, which is not limited herein.
The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all equivalent structural modifications made by the present description and accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the present utility model.