CN214707254U - Charger protector - Google Patents
Charger protector Download PDFInfo
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- CN214707254U CN214707254U CN202121035070.2U CN202121035070U CN214707254U CN 214707254 U CN214707254 U CN 214707254U CN 202121035070 U CN202121035070 U CN 202121035070U CN 214707254 U CN214707254 U CN 214707254U
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- electromagnetic relay
- charger
- controller
- power switch
- box body
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Abstract
The utility model relates to a charger protector relates to a protective equipment charges to solve the long-time work of battery charger, cause the high temperature, the potential safety hazard appears easily. The utility model comprises a box body, a box door, a power switch, a temperature measuring device, a charging socket and an electromagnetic relay; the box door is rotatably arranged on the box body and can be covered with the box body, a charging socket and a power switch are arranged in the box body, the charging socket is electrically connected with the power switch through a wire, an electromagnetic relay is arranged on the wire between the charging socket and the power switch, the electromagnetic control end of the electromagnetic relay is switched on or off through a temperature measuring device, and the power switch is switched on with an external power supply. The utility model discloses a temperature measuring device control electromagnetic relay's actuation is realized charging and outage, avoids continuously charging and releases heat and produce the spontaneous combustion.
Description
Technical Field
The utility model relates to a battery charging protective equipment, concretely relates to charger protector.
Background
Use is put in view of daily low pressure charger, and a plurality of chargers charge the battery side by side, and the long-time continuous operation of charger leads to the temperature that generates heat to compare under the normal condition high, and especially the summer temperature is higher, causes the charger temperature higher, causes the potential safety hazard more easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that battery charger works for a long time, causes the high temperature, appears the potential safety hazard easily, provides a charger protector.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a charger protection device comprises a box body, a box door, a power switch, a temperature measuring device, an electromagnetic relay and a charging socket; the box door is rotatably arranged on the box body and can be covered with the box body, a charging socket and a power switch are arranged in the box body, the charging socket is electrically connected with the power switch through a wire, an electromagnetic relay is arranged on the wire between the charging socket and the power switch, and the electromagnetic control end of the electromagnetic relay realizes on-off through a temperature measuring device.
The utility model has the advantages that: switch on switch and external power, when the high temperature, temperature measuring device control electromagnetic relay cuts off the power supply to the socket that charges, prevents to generate heat because the high temperature is continuous to the battery charging and is caused spontaneous combustion.
Further, the temperature measuring device comprises a controller and a temperature sensor; the temperature sensor is installed in the box, is equipped with temperature input port and temperature output port on the controller, and the detection port of temperature sensor is connected with the temperature input port of controller, and the temperature output port of controller is connected with electromagnetic relay electricity to the break-make of control electromagnetic relay.
The utility model has the advantages that: the temperature sensor is arranged in the box body, the temperature of the charger is detected through the temperature sensor, and when the temperature approaches an ignition point, the controller outputs a signal to the electromagnetic relay to enable the electromagnetic relay to be powered off; when the temperature is far lower than the ignition point, the electromagnetic relay keeps the electrified state, and the charger continuously charges the battery until the battery is fully charged.
Furthermore, a heat dissipation vent is arranged on the box body.
The utility model has the advantages that: in order to improve the heat dissipation effect of the charger during charging, the box body can be provided with a ventilation opening, so that the heat dissipation of the charger is facilitated, and the temperature on the surface of the charger is reduced.
Furthermore, a fan is arranged at the vent, a fan output port is arranged on the controller, and the fan wiring terminal is connected with the fan output port of the controller.
The utility model has the advantages that: increase ventilation effect, go out the installation fan at the box vent, the forced exhaust through the fan takes the heat in the box out of, improves the radiating effect.
Furthermore, a fire extinguishing device is arranged in the box body.
The utility model has the advantages that: in the charger process, the problem of spontaneous combustion due to short circuit in the battery can occur, and the fire extinguishing device can play a role in flame retardance.
Further, the fire extinguishing device comprises a storage tank and an electromagnetic control valve;
the storage tank is arranged in the box body, an outlet is formed in the storage tank, an electromagnetic control valve is arranged on the outlet, and the control end of the electromagnetic control valve is connected with the fire extinguishing output port of the controller.
The utility model has the advantages that: the storage tank is filled with the fire retardant, and when the temperature sensor detects that the temperature in the tank body reaches the ignition temperature, the controller outputs a signal to the electromagnetic control valve, so that the fire retardant in the storage tank is discharged into the tank body to extinguish fire.
Furthermore, a first box chamber and a second box chamber are arranged in the box body, the power switch, the controller and the electromagnetic relay are located in the first box chamber, and the charging socket and the spray head are located in the second box chamber.
The utility model has the advantages that: in order to improve safety, the power switch is arranged separately from the charging socket, and the battery or the charger is burnt to avoid short circuit.
Further, the number of the charging sockets is plural.
The utility model has the advantages that: multiple batteries may be charged simultaneously.
Furthermore, each charging socket is separated by a grid made of heat-insulating materials, and the grid is fixedly connected with the box body.
The utility model has the advantages that: the heat transfer between adjacent chargers is avoided, and when the temperature of each charger is too high, the charging of the peripheral chargers is not influenced.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a top view of the internal structure of the case;
FIG. 3 is a simplified circuit diagram of a temperature measuring device;
fig. 4 is a circuit diagram of the electromagnetic relay controlled by the single chip microcomputer.
In the drawings, the components represented by the respective reference numerals are listed below:
10. the fire extinguishing device comprises a box body, 20, a box door, 30, a power switch, 40, a temperature measuring device, 50, a charging socket, 60, an electromagnetic relay, 41 a controller, 42, a temperature sensor, 70, a fire extinguishing device, 11, a first box chamber, 12, a second box chamber, 80, a grid, 90, a vent, 91, a fan, 71, a storage tank, 72 and an electromagnetic control valve.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Example 1: in the following, referring to fig. 1 to 3, the present embodiment is described, wherein a charger protection device includes a box 10, a box door 20, a power switch 30, a temperature measuring device 40, a charging socket 50 and an electromagnetic relay 60;
the box door 20 is rotatably arranged on the box body 10 through a hinge and can be covered with the box body 10, a charging socket 50 and a power switch 30 are arranged in the box body 10, the charging socket 50 is electrically connected with the power switch 30 through a wire, an electromagnetic relay 60 is arranged on the wire between the charging socket 50 and the power switch 30, the electromagnetic control end of the electromagnetic relay 60 is switched on and off through a temperature measuring device 40, and the power switch 30 is switched on with an external power supply.
Specifically, the power switch 30 is an air switch, and can perform overcurrent, overload and short-circuit protection functions.
Specifically, as shown in fig. 3, the temperature measuring device 40 includes a controller 41 and a temperature sensor 42; the temperature sensor 42 is installed in the box 10, the controller 40 is provided with a temperature input port and a temperature output port, a detection port of the temperature sensor 42 is connected with a temperature input port of the controller 41, and a temperature output port of the controller 41 is electrically connected with the electromagnetic relay 60 to control the on-off of the electromagnetic relay 60.
The controller 41 in this embodiment may be a single chip or a PLC programmable controller.
In this embodiment, on the basis of embodiment 1, a ventilation opening 90 for dissipating heat is further disposed on the box body 10, and the ventilation opening 90 is located at the top or the side of the box body 10.
Furthermore, a fan 91 is disposed at the air vent 90, a fan output port is disposed on the controller 41, and a terminal of the fan 91 is connected to the fan output port of the controller 41.
When the temperature in the box body 10 is detected to be 0-85 ℃, the controller 41 does not output signals, and the electromagnetic relay 60 keeps the power-on state; when the detected temperature exceeds 85 ℃, the controller 41 outputs a signal to the electromagnetic relay 60 to turn off the electromagnetic relay 60.
In this embodiment, the box body 10 and the box door 20 can be made of flame-retardant and fireproof plastic materials, so that heat conduction is reduced when spontaneous combustion occurs in the battery or the charger, spontaneous combustion caused by too high circuit temperature is avoided, and safety performance is improved.
Example 2: in this embodiment, a fire extinguishing apparatus 70 is further provided in the case 10 in addition to embodiment 1.
Specifically, the fire extinguishing device 70 includes a storage tank 71 and an electromagnetic control valve 72;
the storage tank 71 is arranged in the box body 10, an outlet is arranged on the storage tank 71, an electromagnetic control valve 72 is arranged on the outlet, and the control end of the electromagnetic control valve 72 is connected with the fire extinguishing output port of the controller 41.
In the present embodiment, the storage tank 71 can store compressed carbon dioxide gas, and in the present embodiment, compressed carbon dioxide gas is preferred.
When the temperature detected by the temperature sensor 42 reaches 150 ℃ or higher, the controller 41 outputs a signal to the electromagnetic control valve 72 to open the electromagnetic control valve 72, and the compressed gas in the storage tank 71 is discharged into the container 10 to fill the container 10 with carbon dioxide gas, thereby effectively retarding the combustion point.
Example 3: in this embodiment, on the basis of embodiment 1 or 2, the first compartment 11 and the second compartment 12 are provided in the housing 10, the power switch 30, the controller 41, and the electromagnetic relay 60 are located in the first compartment 11, and the charging socket 50 and the shower head 72 are located in the second compartment 12.
In order to improve safety, the present embodiment divides the box body 10 into two chambers, so as to prevent the charger or the battery from burning to the circuit with the charged part when burning, causing short circuit, and effectively cutting off the power supply.
The first compartment 11 and the second compartment 12 may be arranged in a stacked arrangement or may be arranged laterally side by side, and when arranged in a stacked arrangement, the first compartment 11 is disposed at the bottom of the second compartment 12 and in the second compartment 12
Example 4: in this embodiment, the number of the charging sockets 50 is plural based on embodiment 3.
When the plurality of temperature sensors 42 are used to detect the temperature in the box 10, each charging socket 50 is individually connected to the power switch 30 through a wire, and an electromagnetic relay 60 is disposed on each wire. Signals detected by the plurality of temperature sensors 42 are input to the controller 41, and when the detected temperature of one of the chargers exceeds a set value, the controller 41 outputs an electromagnetic relay corresponding to the signal from the corresponding output port to turn off the corresponding line.
When a temperature sensor 42 is used to detect the temperature inside the case 10, the plurality of charging sockets 50 in this embodiment are connected to the power switch 30 through a wire, and an electromagnetic relay 60 is provided on the wire. The present embodiment detects the average temperature in the second housing 12 as a measurement result, and when the temperature exceeds a predetermined value, the line as a whole is deenergized.
A plurality of charging sockets 50 may be provided for charging the battery at the same time, preferably 6-12 charging sockets 50.
In order to improve the safety of the charger during the charging process and reduce the influence between the heat conduction of two adjacent chargers, each charging socket 50 is separated by a grid 80 made of a heat insulating material, and the grid 80 is fixedly connected with the box 10.
The grill 80 reduces the thermal conductivity between two chargers in adjacent two charging sockets 50,
preferably, the charging receptacle 50 is located at the bottom of the interior of the housing 10, allowing heat to escape from the top of the grill 80 and out the vent 90.
Example 5: in this embodiment, on the basis of embodiments 1, 2, 3 or 4, when the controller 41 is a single chip microcomputer, the temperature sensor 42 is connected to the input port of the single chip microcomputer, and the electromagnetic relay 60 can be driven by the single chip microcomputer, in this embodiment, the single chip microcomputer model AT89S51 and the electromagnetic relay 60 model HK4100F-DC5V-SH are taken as examples for explanation, as shown in fig. 4, the output pin P3.6 of the single chip microcomputer is connected to the base of the triode T through a voltage reduction resistor R1, wherein R1 is 10k Ω, the triode T is PNP, the model thereof is C8550, the emitter thereof is connected to the electromagnet control terminal of the electromagnetic relay 60, the electromagnetic relay 60 is connected to +5V power VCC, the collector of the triode T is grounded, the electromagnetic relay 60 is connected in parallel to a diode D having a current flow direction opposite to that of the electromagnetic relay 60, the electromagnetic relay 60 is connected in parallel to a resistor R2, and a resistor R2 is connected in series to the light emitting diode LED, diode D is model IN 4148. The diode D in the figure is a freewheeling diode which protects the drive transistor or other components of the drive relay against the high back-pressure that occurs when the current in the coil of the electromagnetic relay 60 is cut off. When the electromagnetic relay 60 is energized, the light emitting diode LED lights up.
It should be particularly noted that the single chip microcomputer, the electromagnetic relay 60, and the triode in this embodiment are not limited to the above-mentioned types or types, and when other types of single chip microcomputers are used, they may be selected and slightly modified according to specific load voltage and current, for example, when an 80C51 single chip microcomputer is used, the single chip microcomputer outputs a signal to the photocoupler, and drives the electromagnetic relay 60 to attract through the photocoupler. The specific circuit form can be determined according to the rated voltage absorbed by the electromagnetic relay 60.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A charger protector is characterized by comprising a box body, a box door, a power switch, a temperature measuring device, a charging socket and an electromagnetic relay;
the box door is rotatably arranged on the box body and can be covered with the box body, a charging socket and a power switch are arranged in the box body, the charging socket is electrically connected with the power switch through a wire, an electromagnetic relay is arranged on the wire between the charging socket and the power switch, and the electromagnetic control end of the electromagnetic relay realizes on-off through a temperature measuring device.
2. The charger guard of claim 1, wherein the temperature measuring device comprises a controller and a temperature sensor;
the temperature sensor is installed in the box, is equipped with temperature input port and temperature output port on the controller, and the detection port of temperature sensor is connected with the temperature input port of controller, and the temperature output port of controller is connected with electromagnetic relay electricity to the break-make of control electromagnetic relay.
3. The charger guard of claim 2, wherein the housing further comprises a heat dissipating vent.
4. The charger protection device of claim 3, wherein the vent is provided with a fan, the controller is provided with a fan output port, and the fan terminal is connected to the fan output port of the controller.
5. The charger guard of claim 2, further comprising a fire extinguishing device disposed within the housing.
6. The charger guard of claim 5, wherein the fire suppression means comprises a storage tank and a solenoid control valve;
the storage tank is arranged in the box body, an outlet is formed in the storage tank, an electromagnetic control valve is arranged on the outlet, and the control end of the electromagnetic control valve is connected with the fire extinguishing output port of the controller.
7. The charger protection device as claimed in claim 6, wherein the housing has a first compartment and a second compartment, the power switch, the controller and the electromagnetic relay are located in the first compartment, and the charging socket is located in the second compartment.
8. The charger guard of any one of claims 1 to 7, wherein the number of charging sockets is plural.
9. The charger guard of claim 8, wherein each charging socket is separated by a grid made of a thermally insulating material, the grid being fixedly attached to the housing.
10. The charger guard of claim 9, wherein the charging receptacle is located at a bottom of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121035070.2U CN214707254U (en) | 2021-05-14 | 2021-05-14 | Charger protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121035070.2U CN214707254U (en) | 2021-05-14 | 2021-05-14 | Charger protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214707254U true CN214707254U (en) | 2021-11-12 |
Family
ID=78552335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121035070.2U Active CN214707254U (en) | 2021-05-14 | 2021-05-14 | Charger protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214707254U (en) |
-
2021
- 2021-05-14 CN CN202121035070.2U patent/CN214707254U/en active Active
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