Charger

Abstract

The utility model relates to a charger, which comprises a charger body, a connecting cable with a preset length and a display module, and the connecting cable is connected with the charger body and the display module, and is used for receiving the data information generated by the charger body and generating corresponding display information, so that the display information is displayed through the display module. According to the utility model, the long-distance placement of the charger can be realized, so that the scalding risk caused by the heating of the charger can be avoided under the condition that the display and observation are not influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of charging equipment, and more specifically, to a charger. Background Art

[0002] During the charging process of engineering vehicles, since engineering vehicles will be used in complex environments, the charger needs to be able to display the working status of the charger. Currently, common chargers all have built-in display screens to display information. However, the display screen on the charger has high requirements for the installation location of the charger, that is, it must be installed in a place that is easy to observe. However, when the power of the charger is very high, the working heat of the charger is large, and the surrounding environment temperature is high, which poses a risk of burns to the people on the vehicle. In addition, excessively high temperatures will affect the service life of the display screen. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a charger for the above-mentioned partial technical defects of the prior art.

[0004] The technical solution adopted by the utility model to solve the technical problem is: constructing a charger, including: a charger body, a connection cable of a preset length and a display module;

[0005] The connecting cable connects the charger body and the display module, and is used for receiving data information generated by the charger body and generating corresponding display information for display through the display module.

[0006] Preferably, in the charger described in the utility model, the display module comprises: a housing, a cable connection terminal and a decoding circuit arranged in the housing, a digital display circuit and an LED light display circuit;

[0007] The decoding circuit is connected to the cable connection end to connect the connection cable through the cable connection end, and is used to decode the received data information and generate a corresponding driving level;

[0008] The digital display circuit is connected to the decoding circuit, and is used to receive the driving level and generate corresponding digital display information;

[0009] The LED light display circuit is connected to the decoding circuit and is used for receiving the driving level and generating corresponding LED light display information.

[0010] Preferably, in the charger described in the utility model, the digital display circuit includes a digital display chip LED8, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7 and a resistor R8;

[0011] The sixth pin of the digital display chip LED8 is connected to the sixteenth pin of the decoding circuit via the resistor R1, the fifth pin of the digital display chip LED8 is connected to the fifteenth pin of the decoding circuit via the resistor R2, the eleventh pin of the digital display chip LED8 is connected to the fourteenth pin of the decoding circuit via the resistor R3, the first pin of the digital display chip LED8 is connected to the thirteenth pin of the decoding circuit via the resistor R4, the third pin of the digital display chip LED8 is connected to the twelfth pin of the decoding circuit via the resistor R5, the fourth pin of the digital display chip LED8 is connected to the eleventh pin of the decoding circuit via the resistor R6, the tenth pin of the digital display chip LED8 is connected to the tenth pin of the decoding circuit via the resistor R7, and the eighth pin of the digital display chip LED8 is connected to the ninth pin of the decoding circuit via the resistor R8;

[0012] The second pin of the digital display chip LED8 is connected to the eighteenth pin of the decoding circuit, the ninth pin of the digital display chip LED8 is connected to the nineteenth pin of the decoding circuit, and the seventh pin of the digital display chip LED8 is connected to the twentieth pin of the decoding circuit.

[0013] Preferably, in the charger described in the utility model, the LED light display circuit comprises: a light emitting diode LED1, a light emitting diode LED2, a light emitting diode LED3, a light emitting diode LED4, a resistor R9, a resistor R10, a resistor R11 and a resistor R12;

[0014] The anode of the light emitting diode LED4 is connected to the twelfth pin of the decoding circuit via the resistor R9, the anode of the light emitting diode LED3 is connected to the eleventh pin of the decoding circuit via the resistor R10, the anode of the light emitting diode LED2 is connected to the tenth pin of the decoding circuit via the resistor R11, and the anode of the light emitting diode LED1 is connected to the ninth pin of the decoding circuit via the resistor R12;

[0015] The cathode of the light emitting diode LED1, the cathode of the light emitting diode LED2, the cathode of the light emitting diode LED3 and the cathode of the light emitting diode LED4 are connected to the twenty-first pin of the decoding circuit.

[0016] Preferably, in the charger described in the utility model, the charger further includes an electrostatic protection circuit, and the decoding circuit is connected to the cable connection end via the electrostatic protection circuit.

[0017] Preferably, in the charger described in the utility model, the cable connection end includes a connection terminal P1, and the electrostatic protection circuit includes a resistor R13, a resistor R14, a resistor R15, a resistor R16, a capacitor C7, a capacitor C8, an ESD diode D3 and an ESD diode D4;

[0018] The first end of the connection terminal P1 is connected to the first end of the resistor R13, the first end of the ESD diode D3, the first end of the capacitor C7 and the first end of the resistor R16, the second end of the resistor R13 is connected to the eighth pin of the decoding circuit, and the first end of the connection terminal P1 is used to connect the clock line of the connection cable;

[0019] The second end of the connection terminal P1 is connected to the first end of the resistor R14, the first end of the resistor R15, the first end of the ESD diode D4 and the first end of the capacitor C8, the first end of the resistor R14 is connected to the seventh pin of the decoding circuit, and the first end of the connection terminal P1 is used to connect the signal line of the connection cable;

[0020] The second end of the resistor R15 and the second end of the resistor R16 are connected to the third end of the connection terminal P1, and the third end of the connection terminal P1 is used to connect the positive power supply electrode of the connection cable;

[0021] The fourth end of the connection terminal P1, the second end of the ESD diode D3, the second end of the ESD diode D4, the second end of the capacitor C7 and the second end of the capacitor C8 are all grounded, and the fourth end of the connection terminal P1 is used to connect the negative power supply electrode of the connection cable.

[0022] Preferably, in the charger described in the present invention, the first end of the connecting cable is provided with a first connector, and the connecting terminal P1 forms a pluggable connection with the first connector.

[0023] Preferably, in the charger described in the present invention, a display area is provided on a side of the display module away from the connecting cable, and the digital display circuit and the LED light display circuit are displayed through the display area.

[0024] Preferably, in the charger described in the present invention, the second connecting end of the connecting cable is provided with a second connector, and the connecting cable forms a pluggable connection with the charger body.

[0025] Preferably, in the charger described in the utility model, the display module and the charger body are provided with mutually matching buckles;

[0026] The display module and the charger body are detachably mounted via the buckle.

[0027] Preferably, the charger described in the utility model further comprises a cable storage device arranged on the connecting cable;

[0028] The cable storage device is used to store part of the cables to adjust the extension length of the connecting cables.

[0029] Preferably, in the charger described in the present invention, the shell includes a first shell and a second shell, the digital display circuit and the LED light display circuit are arranged in the first shell, the decoding circuit, the electrostatic protection circuit and the cable connection end are arranged in the second shell, and the first shell and the second shell are detachably installed.

[0030] A charger implementing the utility model has the following beneficial effects: the charger can be placed at a relatively long distance to avoid the risk of burns caused by the heating of the charger without affecting display observation. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The present invention will be further described below with reference to the accompanying drawings and embodiments, in which:

[0032] Figure 1 This is a schematic structural diagram of an embodiment of a charger of the utility model;

[0033] Figure 2 This is a circuit logic block diagram of an embodiment of a charger of the utility model;

[0034] Figure 3 It is a structural schematic diagram of another embodiment of a charger of the utility model;

[0035] Figure 4 It is a partial circuit diagram of an embodiment of a charger of the utility model. DETAILED DESCRIPTION

[0036] In order to have a clearer understanding of the technical features, purposes and effects of the present utility model, the specific implementation methods of the present utility model are now described in detail with reference to the accompanying drawings.

[0037] like Figure 1 As shown, an embodiment of a charger of the present utility model is shown. Figure 1The first embodiment of a charger of the utility model shown includes: a charger body 110, a connection cable 120 of a preset length, and a display module 130; the connection cable 120 connects the charger body 110 and the display module 130, and is used to receive the data information generated by the charger body 110 and generate corresponding display information to be displayed through the display module 130. Specifically, the charger body 110 and the display module 130 are connected by a connection cable 120 of a preset length. The data information generated during the operation of the charger body 110 is sent to the display module 130 through the connection cable 120, so as to generate and display the display information through the display module 130. The charger body 110 can adopt the general circuit of the current charger, and the data information corresponding to the charger body 110 is some data of the working process of the charger body 110. Among them, the data information may include but is not limited to power indication, charging power gear indication, USB status indication, device fault alarm, input voltage, curve number, software version, specific fault code, USB upgrade / export, power, output voltage, output current, charging gear, heating indication and other data information. This process allows the charger to be placed at a longer distance to avoid the risk of burns caused by the heat of the charger without affecting display observation, and also prevents the display module 130 from working in a high temperature environment and causing a reduction in its lifespan.

[0038] like Figure 2 and Figure 3 As shown, the display module 130 includes: a housing, a cable connection terminal 132 and a decoding circuit 134 arranged in the housing, a digital display circuit 135 and an LED light display circuit 136; the decoding circuit 134 is connected to the cable connection terminal 132 to connect the connection cable 120 through the cable connection terminal 132, and is used to decode the received data information and generate a corresponding driving level; the digital display circuit 135 is connected to the decoding circuit 132, and is used to receive the driving level and generate the corresponding digital display information; the LED light display circuit 136 is connected to the decoding circuit 132, and is used to receive the driving level and generate the corresponding LED light display information. Specifically, in the display module 130, the data information generated by the charger body 110 is decoded by the decoding circuit 132 to obtain the corresponding driving level, and the driving level drives the data display circuit and the LED light display circuit to work respectively, so as to generate the corresponding display information. Among them, the specific communication process between the charger body 110 and the display module 130 adopts the IIC communication protocol for data transmission. In one embodiment, the decoding circuit 132 can use a 38 decoder chip for data analysis. In one embodiment, only four wires are required in the connection cable 120 , namely, a positive power supply electrode, a negative power supply electrode, a clock line, and a data line.

[0039] like Figure 4As shown, in one embodiment, the digital display circuit 135 includes a digital display chip LED8, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7 and a resistor R8; the sixth pin of the digital display chip LED8 is connected to the sixteenth pin of the decoding circuit via the resistor R1, the fifth pin of the digital display chip LED8 is connected to the fifteenth pin of the decoding circuit via the resistor R2, the eleventh pin of the digital display chip LED8 is connected to the fourteenth pin of the decoding circuit via the resistor R3, the first pin of the digital display chip LED8 is connected to the thirteenth pin of the decoding circuit via the resistor R4, and the digital display The third pin of the chip LED8 is connected to the twelfth pin of the decoding circuit via the resistor R5, the fourth pin of the digital display chip LED8 is connected to the eleventh pin of the decoding circuit via the resistor R6, the tenth pin of the digital display chip LED8 is connected to the tenth pin of the decoding circuit via the resistor R7, and the eighth pin of the digital display chip LED8 is connected to the ninth pin of the decoding circuit via the resistor R8; the second pin of the digital display chip LED8 is connected to the eighteenth pin of the decoding circuit, the ninth pin of the digital display chip LED8 is connected to the nineteenth pin of the decoding circuit, and the seventh pin of the digital display chip LED8 is connected to the twentieth pin of the decoding circuit. Among them, the decoding circuit 134 includes a decoding chip U14, and the digital display chip LED8 forms a connection relationship with the decoding chip U14 through its peripheral circuit to receive the driving level output by the decoding chip U14 to display different information.

[0040] like Figure 4 As shown, in one embodiment, the LED light display circuit 136 includes: a light emitting diode LED1, a light emitting diode LED2, a light emitting diode LED3, a light emitting diode LED4, a resistor R9, a resistor R10, a resistor R11 and a resistor R12; the anode of the light emitting diode LED4 is connected to the twelfth pin of the decoding circuit via the resistor R9, the anode of the light emitting diode LED3 is connected to the eleventh pin of the decoding circuit via the resistor R10, the anode of the light emitting diode LED2 is connected to the tenth pin of the decoding circuit via the resistor R11, and the anode of the light emitting diode LED1 is connected to the ninth pin of the decoding circuit via the resistor R12; the cathode of the light emitting diode LED1, the cathode of the light emitting diode LED2, the cathode of the light emitting diode LED3 and the cathode of the light emitting diode LED4 are connected to the twenty-first pin of the decoding circuit. Among them, the decoding circuit 134 includes a decoding chip U14, and there are multiple light emitting diodes and their corresponding peripheral circuits in the LED light display circuit. Each light emitting diode forms a connection relationship with the decoding chip U14 through its peripheral circuit to receive the driving level output by the decoding chip U14 to display different information. The number and color of the light-emitting diodes in the LED light display circuit can be adjusted as needed.

[0041] In one embodiment, an EVA pad is added between the LED light display circuit and the digital display circuit to achieve light combination and realize unidirectional transmission of light.

[0042] Optionally, in the charger of the present invention, a display area is provided on a side of the display module away from the connecting cable, and the digital display circuit and the LED light display circuit are displayed through the display area. Figure 1 and Figure 3 As shown, a display area 131 is provided on the display module 130 .

[0043] Optional, such as Figure 2 As shown, the charger also includes an electrostatic protection circuit 133, and the decoding circuit is connected to the cable connection end 132 via the electrostatic protection circuit 133. The electrostatic protection circuit 133 performs electrostatic protection on the input of the cable connection end 132 to prevent static electricity from entering the decoding circuit 134 and causing circuit damage.

[0044] Further, such as Figure 4 As shown, the cable connection end includes a connection terminal P1, and the electrostatic protection circuit 133 includes a resistor R13, a resistor R14, a resistor R15, a resistor R16, a capacitor C7, a capacitor C8, an ESD diode D3 and an ESD diode D4; a first end of the connection terminal P1 is connected to a first end of the resistor R13, a first end of the ESD diode D3, a first end of the capacitor C7 and a first end of the resistor R16, a second end of the resistor R13 is connected to the eighth pin of the decoding circuit, and a first end of the connection terminal P1 is used to connect to the clock line of the connection cable 120; a second end of the connection terminal P1 is connected to a first end of the resistor R14, a first end of the resistor R15, The first end of the ESD diode D4 and the first end of the capacitor C8, and the first end of the resistor R14 are connected to the seventh pin of the decoding circuit, and the first end of the connection terminal P1 is used to connect the signal line of the connection cable 120; the second end of the resistor R15 and the second end of the resistor R16 are connected to the third end of the connection terminal P1, and the third end of the connection terminal P1 is used to connect the positive power supply electrode of the connection cable 120; the fourth end of the connection terminal P1, the second end of the ESD diode D3, the second end of the ESD diode D4, the second end of the capacitor C7 and the second end of the capacitor C8 are all grounded, and the fourth end of the connection terminal P1 is used to connect the negative power supply electrode of the connection cable 120. Specifically, in the display module 130, the cable connection end includes a connection terminal and a corresponding protection circuit, the connection terminal is used to connect the connection cable 120, and the protection circuit is used to perform filtering and electrostatic protection on the data of the connection cable 120 to ensure the quality of the signal entering the decoding circuit.

[0045] Optionally, a first connector is provided at the first end of the connection cable 120 , and the connection terminal P1 forms a pluggable connection with the first connector. The display module 130 and the connection cable 120 can form a pluggable connection to achieve rapid replacement of the display module 130 .

[0046] Optionally, the second connection end of the connecting cable 120 is provided with a second connector, and the connecting cable 120 forms a pluggable connection with the charger body 110. That is, the connecting cable 120 and the charger body 110 can also form a pluggable connection, so that the charger body 110 and the display module 130 can be easily installed.

[0047] Optionally, the display module 130 and the charger body 110 are provided with mutually matching buckles; the display module 130 and the charger body 110 are detachably installed by the buckles. Specifically, the display module 130 and the charger body 110 can be detachably installed by the buckles, and the display module 130 can be conveniently set on the charger body 110 when not in use.

[0048] Optionally, the charger of the present invention further includes a cable storage device disposed on the connecting cable 120; the cable storage device is used to store part of the cable to adjust the extension length of the connecting cable 120. Specifically, the connecting cable 120 can be stored by the storage device so that the length of the connecting cable 120 can be in an appropriate state in different scenarios.

[0049] Optional, such as Figure 3 As shown, the housing includes a first housing 141 and a second housing 142, the digital display circuit 135 and the LED light display circuit 136 are arranged in the first housing 141, the decoding circuit 134 and the cable connection end 132 are arranged in the second housing 142, and the first housing 141 and the second housing 142 are detachably installed. In the display module 130, the digital display circuit 135 and the LED display circuit 136 are integrated in the first housing 141, the decoding circuit 134, the electrostatic protection circuit 133 and the cable connection end 132 are integrated in the second housing 142, the first housing 141 and the second housing 142 can be detachably connected, and the digital display circuit 135 and the LED display circuit 136 can be quickly replaced. Among them, the first housing 141 and the second housing 142 can be connected by a threaded connection. The display area 131 is set on the end surface of the first housing 141.

[0050] It can be understood that the above embodiments only express the preferred implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the patent scope of the utility model. It should be pointed out that, for ordinary technicians in this field, without departing from the concept of the utility model, the above-mentioned technical features can be freely combined, and several deformations and improvements can be made, which all belong to the protection scope of the utility model. Therefore, all equivalent changes and modifications made to the scope of the claims of the utility model should belong to the scope covered by the claims of the utility model.

Claims

1. A charger, characterized in that: include: The charger body, connection cables of preset length and display module; The connecting cable connects the charger body and the display module, and is used for receiving data information generated by the charger body and generating corresponding display information for display through the display module.

2. The charger according to claim 1, characterized in that: The display module comprises: a housing, a cable connection terminal and a decoding circuit arranged in the housing, a digital display circuit and an LED light display circuit; The decoding circuit is connected to the cable connection end to connect the connection cable through the cable connection end, and is used to decode the received data information and generate a corresponding driving level; The digital display circuit is connected to the decoding circuit, and is used to receive the driving level and generate corresponding digital display information; The LED light display circuit is connected to the decoding circuit and is used for receiving the driving level and generating corresponding LED light display information.

3. The charger according to claim 2, characterized in that: The digital display circuit includes a digital display chip LED8, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7 and a resistor R8; The sixth pin of the digital display chip LED8 is connected to the sixteenth pin of the decoding circuit via the resistor R1, the fifth pin of the digital display chip LED8 is connected to the fifteenth pin of the decoding circuit via the resistor R2, the eleventh pin of the digital display chip LED8 is connected to the fourteenth pin of the decoding circuit via the resistor R3, the first pin of the digital display chip LED8 is connected to the thirteenth pin of the decoding circuit via the resistor R4, the third pin of the digital display chip LED8 is connected to the twelfth pin of the decoding circuit via the resistor R5, the fourth pin of the digital display chip LED8 is connected to the eleventh pin of the decoding circuit via the resistor R6, the tenth pin of the digital display chip LED8 is connected to the tenth pin of the decoding circuit via the resistor R7, and the eighth pin of the digital display chip LED8 is connected to the ninth pin of the decoding circuit via the resistor R8; The second pin of the digital display chip LED8 is connected to the eighteenth pin of the decoding circuit, the ninth pin of the digital display chip LED8 is connected to the nineteenth pin of the decoding circuit, and the seventh pin of the digital display chip LED8 is connected to the twentieth pin of the decoding circuit.

4. The charger according to claim 2, characterized in that: The LED lamp display circuit comprises: a light emitting diode LED1, a light emitting diode LED2, a light emitting diode LED3, a light emitting diode LED4, a resistor R9, a resistor R10, a resistor R11 and a resistor R12; The anode of the light emitting diode LED4 is connected to the twelfth pin of the decoding circuit via the resistor R9, the anode of the light emitting diode LED3 is connected to the eleventh pin of the decoding circuit via the resistor R10, the anode of the light emitting diode LED2 is connected to the tenth pin of the decoding circuit via the resistor R11, and the anode of the light emitting diode LED1 is connected to the ninth pin of the decoding circuit via the resistor R12; The cathode of the light emitting diode LED1, the cathode of the light emitting diode LED2, the cathode of the light emitting diode LED3 and the cathode of the light emitting diode LED4 are connected to the twenty-first pin of the decoding circuit.

5. The charger according to claim 2, characterized in that: The charger further includes an electrostatic protection circuit, and the decoding circuit is connected to the cable connection end via the electrostatic protection circuit.

6. The charger according to claim 5, characterized in that: The cable connection end includes a connection terminal P1, and the electrostatic protection circuit includes a resistor R13, a resistor R14, a resistor R15, a resistor R16, a capacitor C7, a capacitor C8, an ESD diode D3 and an ESD diode D4; The first end of the connection terminal P1 is connected to the first end of the resistor R13, the first end of the ESD diode D3, the first end of the capacitor C7 and the first end of the resistor R16, the second end of the resistor R13 is connected to the eighth pin of the decoding circuit, and the first end of the connection terminal P1 is used to connect the clock line of the connection cable; The second end of the connection terminal P1 is connected to the first end of the resistor R14, the first end of the resistor R15, the first end of the ESD diode D4 and the first end of the capacitor C8, the first end of the resistor R14 is connected to the seventh pin of the decoding circuit, and the first end of the connection terminal P1 is used to connect the signal line of the connection cable; The second end of the resistor R15 and the second end of the resistor R16 are connected to the third end of the connection terminal P1, and the third end of the connection terminal P1 is used to connect the positive power supply electrode of the connection cable; The fourth end of the connection terminal P1, the second end of the ESD diode D3, the second end of the ESD diode D4, the second end of the capacitor C7 and the second end of the capacitor C8 are all grounded, and the fourth end of the connection terminal P1 is used to connect the negative power supply electrode of the connection cable.

7. The charger according to claim 2, characterized in that: A display area is provided on a side of the display module away from the connecting cable, and the digital display circuit and the LED light display circuit are displayed through the display area.

8. The charger according to claim 6, characterized in that: The first end of the connection cable is provided with a first connector, and the connection terminal P1 forms a pluggable connection with the first connector; and / or The second connecting end of the connecting cable is provided with a second connector, and the connecting cable forms a pluggable connection with the charger body; and / or The charger body is provided with a mounting position that cooperates with the display module; the display module is detachably mounted on the charger body through the mounting position.

9. The charger according to claim 1, characterized in that: Also included is a cable storage device disposed on the connecting cable; The cable storage device is used to store part of the cables to adjust the extension length of the connecting cables.

10. The charger according to claim 5, characterized in that: The shell includes a first shell and a second shell. The digital display circuit and the LED light display circuit are arranged in the first shell. The decoding circuit, the electrostatic protection circuit and the cable connection end are arranged in the second shell. The first shell and the second shell are detachably installed.

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