CN210897369U - Battery box charge-discharge structure - Google Patents
Battery box charge-discharge structure Download PDFInfo
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- CN210897369U CN210897369U CN201921377421.0U CN201921377421U CN210897369U CN 210897369 U CN210897369 U CN 210897369U CN 201921377421 U CN201921377421 U CN 201921377421U CN 210897369 U CN210897369 U CN 210897369U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a battery box charge-discharge structure, the power distribution box comprises a box body, the group battery, the anodal connecting wire, negative pole connecting wire and PCB board, the group battery is located the box, anodal connecting wire and negative pole connecting wire wear to locate the box, the one end of anodal connecting wire is connected in the positive pole of group battery, the one end of negative pole connecting wire is connected in the negative pole of group battery, the PCB board is located outside the box, be equipped with charge protection circuit on the PCB board, discharge protection circuit and ground point, the output of charge protection circuit and the input of discharge protection circuit are connected in the other one end of anodal connecting wire, the ground point is connected in the other one end of negative pole connecting wire, the earthing terminal of charge protection circuit and the earthing terminal of discharge protection circuit, when the battery; after changing the PCB board, if the battery box still can not be used, send the battery box back the producer and change the group battery to reduce the cost of maintenance of battery box.
Description
Technical Field
The utility model belongs to the technical field of the battery box, more specifically say, relate to a battery box charge-discharge structure.
Background
The battery box is often used for supplying power for life lighting, communication, various automation devices, alarm devices and the like. The box body has the characteristics of corrosion resistance, high temperature resistance, vibration resistance and the like. The battery box is often installed indoors, on a vehicle, or on a ship, etc. The battery box includes box, battery, PCB board, first external electric connection line and the external electric connection connecting wire of second, and the battery electricity is connected in the PCB board, and battery and PCB board are sealed in the box, and the PCB board is connected in first external electric connection line and the external electric connection connecting wire of second, and first external electric connection line and the external electric connection connecting wire of second wear to locate the box, first external electric connection line are used for connecting charging source, and the external electric connection connecting wire of second is used for connecting the load. The first external electric connecting wire is hermetically connected with the box body. The second external electric connecting wire is hermetically connected with the box body. However, when the battery box is out of order, the user cannot judge whether the PCB board is damaged or the storage battery is damaged, and often the battery box is directly sent back to the manufacturer for maintenance, which results in a higher maintenance cost for the battery box if the user and the manufacturer are in different countries.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a battery box charge-discharge structure to solve the great technical problem of cost of the battery box maintenance that exists among the prior art.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a battery box charge-discharge structure, includes box, group battery, anodal connecting wire, negative pole connecting wire and PCB board, the group battery is located in the box, anodal connecting wire with the negative pole connecting wire is worn to locate the box, the one end of anodal connecting wire connect in the anodal of group battery, the one end of negative pole connecting wire connect in the negative pole of group battery, the PCB board is located outside the box, be equipped with charge protection circuit, discharge protection circuit and ground point on the PCB board, charge protection circuit's output with discharge protection circuit's input connect in the other one end of anodal connecting wire, the ground point connect in the other one end of negative pole connecting wire, charge protection circuit's earthing terminal and discharge protection circuit's earthing terminal.
The charging protection circuit comprises a battery pack, a first connecting wire, a first plug, a first mounting seat and a first connector, wherein the first plug is mounted on the first mounting seat;
the first plug is provided with a first plug, the first plug is provided with a second plug, and the second plug is provided with a second plug.
Furthermore, a character identification layer is arranged on the first mounting seat.
The power supply further comprises a second plug, a second mounting seat and a second connector mounted on the second mounting seat, wherein one end, far away from the battery pack, of the negative connecting wire is connected to the input end of the second plug, the second mounting seat is fixed on the PCB, the grounding point is connected to the output end of the second connector, and the output end of the second plug is plugged in the input end of the second connector;
and a second color layer is arranged on the second mounting seat and the negative connecting wire, or a second color layer is arranged on the second mounting seat and the second plug.
Further, still include the third mount pad, connecting wire and third plug, the third mount pad is fixed on the PCB board, connecting wire wears to locate the third mount pad, connecting wire's one end connect in charge protection circuit's input, connecting wire's other one end connect in the output of third plug.
Further, the discharge protection circuit comprises a fourth mounting seat and a socket mounted on the fourth mounting seat, the fourth mounting seat is fixed on the PCB, and the person conveying end of the socket is connected to the output end of the discharge protection circuit.
Further, still include the mounting box, the PCB board the first joint the first mount pad the second joint the third mount pad the fourth mount pad and the socket is located in the mounting box, the third plug is located outside the mounting box, anodal connecting wire with the negative pole connecting wire is worn to establish the mounting box, be equipped with first wiring hole, second wiring hole, third wiring hole and fourth wiring hole on the mounting box, the link orientation in first wiring hole the first joint, the link orientation that the second connects the second wiring hole, connecting wire is worn to locate the third wiring hole, the link orientation of socket the fourth wiring hole.
Further, the device comprises an optocoupler, a protection resistor, a switching power supply circuit, a NAND gate, a first triode and a relay, wherein the optocoupler, the switching power supply circuit, the NAND gate, the first triode and the relay are arranged on the PCB, the positive end of the optocoupler is connected to one end of the protection resistor, the negative end of the optocoupler is connected to the output end of the discharge protection circuit, the other end of the protection resistor is connected to the input end of the discharge protection circuit, a first control voltage is input to the collector of the optocoupler, the emitter of the optocoupler is coupled to the first input end of the NAND gate, the second input end of the NAND gate is connected to the switching power supply circuit, the output end of the NAND gate is connected to the base of the first triode, and the emitter of the first triode is coupled to the coil of the relay, the other end of the coil of the relay inputs a second control voltage, the emitter of the first triode is grounded, the normally open contact of the relay is connected in series between the output end of the charging protection circuit and the anode of the battery pack, the input end of the switching power supply circuit is coupled to the input end of the charging protection circuit, and the output end of the switching power supply circuit is used for providing the first control voltage and the second control voltage.
The optical coupler further comprises a first resistor, one end of the first resistor is connected to a collector of the optical coupler, and the other end of the first resistor is inputted with the first control voltage.
The switch power supply circuit further comprises a second resistor, and the second resistor is connected between the second input end of the NAND gate and the output end of the switch power supply circuit in series.
The utility model provides a pair of battery box charge-discharge structure's beneficial effect lies in: compared with the prior art, the battery pack is sealed in the box body, and the positive connecting wire is connected with the box body in a sealing mode. The negative connecting wire is hermetically connected with the box body. When the battery pack needs to be charged, the input end of the charging protection circuit is connected to a charging power supply (not shown), and then the battery pack in the box body can be charged. When the battery pack needs to be discharged, the output end of the discharge protection circuit is connected to the electricity load. When the battery box can not be charged, a new PCB can be replaced, and then whether the battery box can be charged or not is checked, if the battery box can be charged, the battery pack does not need to be replaced; if the battery box still can not be charged, the battery box needs to be sent back to a manufacturer for replacement, so that the transportation cost of users and the manufacturer is reduced. When the battery box breaks down, the PCB is replaced first, and whether the battery pack is replaced or not is judged after the PCB is replaced. The user does not need to directly send the battery box back to the manufacturer for processing when the battery box breaks down, and the maintenance convenience of the battery box is improved. The manufacturer can send the PCB to a client, then the manufacturer remotely guides a user to replace the PCB, and the convenience for the manufacturer to maintain the battery box is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a charging and discharging structure of a battery box according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a PCB board of a battery box charging and discharging structure provided by the embodiment of the utility model.
Wherein, in the figures, the respective reference numerals:
1. a box body; 2. a battery pack; 31. a positive electrode connecting wire; 32. a negative electrode connecting wire; 4. a PCB board; 41. a charging protection circuit; 42. a discharge protection circuit; 43. a ground point; 44. an optical coupler; 45. a switching power supply circuit; 46. a NAND gate; 51. a first plug; 52. a first mounting seat; 53. a first joint; 61. a second plug; 62. a second mounting seat; 63. a second joint; 71. a third mounting seat; 72. a third plug; 73. Connecting a lead; 8. a fourth mounting seat; 9. a socket; 10. mounting a box; 101. a first wiring hole; 102. a second wiring hole; 103. a third wiring hole; 104. and a fourth wiring hole.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1, a charging and discharging structure of a battery box according to the present invention will now be described. The utility model provides a battery box charge-discharge structure, including box 1, group battery 2, anodal connecting wire 31, negative pole connecting wire 32 and PCB board 4, group battery 2 is located box 1, anodal connecting wire 31 and negative pole connecting wire 32 wear to locate box 1, the one end of anodal connecting wire 31 is connected in the anodal of group battery 2, the negative pole of group battery 2 is connected to the one end of negative pole connecting wire 32, PCB board 4 is located outside box 1, be equipped with charge protection circuit 41 on the PCB board 4, discharge protection circuit 42 and ground point 43, charge protection circuit 41's the output and discharge protection circuit 42's input are connected in the other one end of anodal connecting wire 31, ground point 43 is connected in the other one end of negative pole connecting wire 32, charge protection circuit 41's earthing terminal and discharge protection circuit 42's earthing terminal.
The use process comprises the following steps: the battery pack 2 is sealed in the case 1, and the positive connection line 31 is hermetically connected to the case 1. The negative connecting wire 32 is hermetically connected with the box body 1. When the battery pack 2 needs to be charged, the input terminal of the charging protection circuit 41 is connected to a charging power supply (not shown), so that the battery pack 2 in the box 1 can be charged. When the battery pack 2 needs to be discharged, the output terminal of the discharge protection circuit 42 may be connected to an electric load. When the battery box can not be charged, the new PCB 4 can be replaced firstly, and then whether the battery box can be charged or not is checked, if the battery box can be charged, the battery pack 2 does not need to be replaced; if the battery box still can not be charged, the battery box needs to be sent back to a manufacturer for replacement, so that the transportation cost of users and the manufacturer is reduced.
The utility model provides a pair of battery box charge-discharge structure compares with prior art, when the battery box broke down, changes PCB board 4 earlier, judges again after changing PCB board 4 whether to change group battery 2. The user does not need to directly send the battery box back to the manufacturer for processing when the battery box breaks down, and the maintenance convenience of the battery box is improved. The manufacturer can send the PCB 4 to a client, then the manufacturer remotely guides a user to replace the PCB 4, and the convenience of the manufacturer for maintaining the battery box is improved.
Specifically, the charging power supply is 220V alternating current.
Further, please refer to fig. 1, which is a specific embodiment of a battery box charging and discharging structure provided by the present invention, further comprising a first plug 51, a first mounting seat 52 and a first connector 53 mounted on the first mounting seat 52, wherein one end of the positive connecting wire 31 far away from the battery pack 2 is connected to an input end of the first plug 51, the first mounting seat 52 is fixed on the PCB 4, an output end of the charging protection circuit 41 is connected to an output end of the first connector 53, and an output end of the first plug 51 is inserted into an input end of the first connector 53;
a first color layer (not shown) is disposed on the first mounting seat 52 and the positive connection line 31, or a first color layer is disposed on the first mounting seat 52 and the first plug 51.
The output terminal of the first plug 51 is plugged into the input terminal of the first connector 53, so that the positive connection line 31 is connected to the output terminal of the charge protection circuit 41. The first plug 51 is separated from the first joint 53, so that the anode connecting wire 31 is disconnected from the PCB 4, and the PCB 4 is convenient to replace. The first color layer is convenient for users to know the specific position of the anode connecting wire 31 connected on the PCB 4, and the convenience of replacing the PCB 4 is improved.
Further, referring to fig. 1, as a specific implementation manner of the battery box charging and discharging structure provided by the present invention, a text mark layer (not shown) is disposed on the first mounting seat 52.
The user knows that the first mounting seat 52 is used for connecting the positive connecting wire 31 according to the character identification layer, so that the convenience and the accuracy of the connection of the positive connecting wire 31 are improved.
Further, please refer to fig. 1, as a specific implementation manner of the battery box charging and discharging structure provided by the present invention, the battery box charging and discharging structure further includes a second plug 61, a second mounting seat 62 and a second connector 63 mounted on the second mounting seat 62, one end of the negative connecting wire 32 far away from the battery pack 2 is connected to the input end of the second plug 61, the second mounting seat 62 is fixed on the PCB board 4, the grounding point 43 is connected to the output end of the second connector 63, and the output end of the second plug 61 is inserted into the input end of the second connector 63;
a second color layer (not shown) is disposed on the second mounting seat 62 and the negative connection wire 32, or a second color layer is disposed on the second mounting seat 62 and the second plug 61.
The output terminal of the second plug 61 is plugged into the input terminal of the second connector 63, so that the negative connection line 32 is electrically connected to the ground. The second plug 61 is separated from the second connector 63, so that the negative connecting wire 32 is disconnected from the PCB 4, and the PCB 4 is convenient to replace. The second color layer is convenient for users to know the specific position of the cathode connecting wire 32 connected on the PCB 4, and improves the convenience of replacing the PCB 4.
Further, please refer to fig. 1, as a specific implementation manner of the battery box charging and discharging structure provided by the present invention, the battery box charging and discharging structure further includes a third mounting seat 71, a connection wire 73 and a third plug 72, the third mounting seat 71 is fixed on the PCB 4, the connection wire 73 is inserted into the third mounting seat 71, one end of the connection wire 73 is connected to the input end of the charging protection circuit 41, and the other end of the connection wire 73 is connected to the output end of the third plug 72.
The third mounting base 71 increases the length of the connecting wire 73 connected to the PCB 4, the connecting wire 73 is stably connected to the PCB 4 in the process of using the third plug 72, the third plug 72 is not easy to be separated from the PCB 4, the third plug 72 is convenient to connect to the charging base of the charging source, the input end of the charging protection circuit 41 is connected to the charging source, and the convenience of charging the battery pack 2 is improved.
Further, please refer to fig. 1, as a specific implementation manner of the battery box charging and discharging structure provided by the present invention, further comprising a fourth mounting seat 8 and a socket 9 installed on the fourth mounting seat 8, wherein the fourth mounting seat 8 is fixed on the PCB 4, and the output end of the discharging protection circuit 42 is connected to the person-conveying end of the socket 9.
Further, please refer to fig. 1, as the utility model provides a specific implementation of battery box charge-discharge structure, still include mounting box 10, PCB 4, first joint 53, first mount pad 52, second mount pad 62, second joint 63, third mount pad 71, fourth mount pad 8 and socket 9 are located mounting box 10, third plug 72 is located outside mounting box 10, mounting box 10 is worn to establish by positive connecting wire 31 and negative connecting wire 32, be equipped with first wiring hole 101 on mounting box 10, second wiring hole 102, third wiring hole 103 and fourth wiring hole 104, the link of first wiring hole 101 is towards first joint 53, the link of second joint 63 is towards second wiring hole 102, connecting wire 73 wears to locate third wiring hole 103, the link of socket 9 is towards fourth wiring hole 104.
The mounting box 10 protects the PCB 4, the first joint 53, the first mounting seat 52, the second mounting seat 62, the second joint 63, the third mounting seat 71, the fourth mounting seat 8 and the socket 9, so that a human body is not easy to directly contact the PCB 4, the first joint 53, the first mounting seat 52, the second mounting seat 62, the second joint 63, the third mounting seat 71, the fourth mounting seat 8 and the socket 9, and the use safety of the battery box is improved.
Further, please refer to fig. 1 and fig. 2, as a specific implementation manner of the battery box charging and discharging structure provided by the present invention, the battery box charging and discharging structure further includes an optocoupler 44, a protection resistor R1, a switching power supply circuit 45, a nand gate 46, a first triode Q1 and a relay, the optocoupler 44, the switching power supply circuit 45, the nand gate 46, the first triode Q1 and the relay are disposed on the PCB board 4, a positive terminal of the optocoupler 44 is connected to one end of the protection resistor R1, a negative terminal of the optocoupler 44 is connected to an output terminal of the discharging protection circuit 42, the other end of the protection resistor R1 is connected to an input terminal of the discharging protection circuit 42, a first control voltage VCC1 is input to a collector of the optocoupler 44, an emitter of the optocoupler 44 is coupled to the first input terminal of the nand gate 46, a second input terminal of the nand gate 46 is connected to the switching power supply circuit 45, an output terminal of the nand gate 46, an emitter of the first transistor Q1 is coupled to the coil KM of the relay, the other end of the coil KM of the relay inputs the second control voltage VCC2, an emitter of the first transistor Q1 is grounded, the normally open contact KM of the relay is connected in series between the output terminal of the charging protection circuit 41 and the anode of the battery pack 2, the input terminal of the switching power supply circuit 45 is coupled to the input terminal of the charging protection circuit 41, and the output terminal of the switching power supply circuit 45 is used for providing the first control voltage VCC1 and the second control voltage VCC 2.
When the input terminal of the charging protection circuit 41 is connected to the charging power supply and the discharging protection circuit 42 is not connected to the electrical appliance, the output terminal of the switching power supply circuit 45 provides the first control voltage VCC1 and the second control voltage VCC2, and simultaneously provides power to the nand gate 46. The positive terminal and the negative terminal of the optocoupler 44 are connected across the discharge protection circuit 42, so that the optocoupler 44 is not conducting and the first input of the nand gate 46 receives a low level. Since the switching power supply circuit 45 has an output, the second input of the nand gate 46 receives a high level. The nand gate 46 receives the low level and the high level and then outputs the high level to the base of the first triode Q1, the first triode Q1 is conducted, so that the coil KM of the relay is electrified, the normally open contact KM of the relay is closed, and the charging power supply charges the battery pack 2.
When the input terminal of the charging protection circuit 41 is connected to the charging power supply first, and then the discharging protection circuit 42 is connected to the electric appliance, namely, when the charging power supply charges the battery pack 2, after the discharge protection circuit 42 is manually connected to the electric appliance, the battery pack 2 and the optical coupler 44 form a loop, the optical coupler 44 is turned on, the emitter of the optical coupler 44 outputs high level to the first input end of the nand gate 46, and at this time, the first output end of the optical coupler 44 receives high level, the second output end of the optical coupler 44 receives high level, the output end of the optical coupler 44 outputs low level to the base electrode of the first triode Q1, the first triode Q1 is cut off, the coil KM of the relay loses power, the normally open contact KM of the relay is changed from closed to open, when the battery pack 2 is discharged, the battery pack 2 cannot be charged, so that the stability of the output voltage of the battery pack 2 is ensured, and the service life of the battery pack 2 is prolonged.
Specifically, the first transistor Q1 is an NPN transistor.
Further, please refer to fig. 1 and fig. 2, as a specific implementation manner of the battery box charging and discharging structure provided by the present invention, the battery box charging and discharging structure further includes a first resistor R2, one end of the first resistor R2 is connected to the collector of the optical coupler 44, and a first control voltage VCC1 is inputted to the other end of the first resistor R2.
The first resistor R2 functions to protect the nand gate 46.
Further, as the utility model provides a pair of a battery box charge-discharge structure's a specific implementation way still includes second resistance R3, and second resistance R3 establishes ties between the second input of NAND gate 46 and switching power supply circuit 45's output.
The second resistor R3 functions to protect the nand gate 46.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a battery box charge-discharge structure, its characterized in that, includes box, group battery, anodal connecting wire, negative pole connecting wire and PCB board, the group battery is located in the box, anodal connecting wire with the negative pole connecting wire is worn to locate the box, the one end of anodal connecting wire connect in the anodal of group battery, the one end of negative pole connecting wire connect in the negative pole of group battery, the PCB board is located outside the box, be equipped with charge protection circuit, discharge protection circuit and ground point on the PCB board, charge protection circuit's output and discharge protection circuit's input connect in the other end of anodal connecting wire, the ground point connect in the other end of negative pole connecting wire, charge protection circuit's earthing terminal and discharge protection circuit's earthing terminal.
2. The battery box charging and discharging structure according to claim 1, further comprising a first plug, a first mounting seat and a first connector mounted on the first mounting seat, wherein one end of the positive connecting wire away from the battery pack is connected to an input end of the first plug, the first mounting seat is fixed on the PCB, an output end of the charging protection circuit is connected to an output end of the first connector, and an output end of the first plug is plugged into an input end of the first connector;
the first plug is provided with a first plug, the first plug is provided with a second plug, and the second plug is provided with a second plug.
3. The battery box charging and discharging structure as claimed in claim 2, wherein the first mounting seat is provided with a text label layer.
4. The battery box charging and discharging structure according to claim 2, further comprising a second plug, a second mounting seat and a second connector mounted on the second mounting seat, wherein one end of the negative connecting wire away from the battery pack is connected to an input end of the second plug, the second mounting seat is fixed on the PCB, the grounding point is connected to an output end of the second connector, and an output end of the second plug is plugged into an input end of the second connector;
and a second color layer is arranged on the second mounting seat and the negative connecting wire, or a second color layer is arranged on the second mounting seat and the second plug.
5. The battery box charging and discharging structure according to claim 4, further comprising a third mounting seat, a connecting wire and a third plug, wherein the third mounting seat is fixed on the PCB, the connecting wire penetrates through the third mounting seat, one end of the connecting wire is connected to the input end of the charging protection circuit, and the other end of the connecting wire is connected to the output end of the third plug.
6. The battery box charging and discharging structure according to claim 5, further comprising a fourth mounting seat and a socket installed on the fourth mounting seat, wherein the fourth mounting seat is fixed on the PCB, and a person input end of the socket is connected to an output end of the discharging protection circuit.
7. The battery box charging and discharging structure according to claim 6, further comprising a mounting box, wherein the PCB board, the first connector, the first mounting seat, the second connector, the third mounting seat, the fourth mounting seat and the socket are located in the mounting box, the third plug is located outside the mounting box, the positive connecting wire and the negative connecting wire penetrate through the mounting box, the mounting box is provided with a first wiring hole, a second wiring hole, a third wiring hole and a fourth wiring hole, the connecting end of the first wiring hole faces the first connector, the connecting end of the second connector faces the second wiring hole, the connecting wire penetrates through the third wiring hole, and the connecting end of the socket faces the fourth wiring hole.
8. The battery box charging and discharging structure according to claim 1, further comprising an optocoupler, a protection resistor, a switching power supply circuit, a nand gate, a first transistor and a relay, wherein the optocoupler, the switching power supply circuit, the nand gate, the first transistor and the relay are disposed on the PCB, a positive terminal of the optocoupler is connected to one end of the protection resistor, a negative terminal of the optocoupler is connected to an output terminal of the discharge protection circuit, another terminal of the protection resistor is connected to an input terminal of the discharge protection circuit, a collector of the optocoupler is inputted with a first control voltage, an emitter of the optocoupler is coupled to a first input terminal of the nand gate, a second input terminal of the nand gate is connected to the switching power supply circuit, and an output terminal of the nand gate is connected to a base of the first transistor, the emitter of the first triode is coupled to the coil of the relay, the other end of the coil of the relay inputs second control voltage, the emitter of the first triode is grounded, the normally open contact of the relay is connected in series between the output end of the charging protection circuit and the anode of the battery pack, the input end of the switching power supply circuit is coupled to the input end of the charging protection circuit, and the output end of the switching power supply circuit is used for providing the first control voltage and the second control voltage.
9. The battery box charging and discharging structure according to claim 8, further comprising a first resistor, wherein one end of the first resistor is connected to a collector of the optocoupler, and the other end of the first resistor is inputted with the first control voltage.
10. The battery box charging and discharging structure of claim 8, further comprising a second resistor, wherein the second resistor is connected in series between the second input terminal of the nand gate and the output terminal of the switching power supply circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921377421.0U CN210897369U (en) | 2019-08-22 | 2019-08-22 | Battery box charge-discharge structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921377421.0U CN210897369U (en) | 2019-08-22 | 2019-08-22 | Battery box charge-discharge structure |
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| Publication Number | Publication Date |
|---|---|
| CN210897369U true CN210897369U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921377421.0U Active CN210897369U (en) | 2019-08-22 | 2019-08-22 | Battery box charge-discharge structure |
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| CN (1) | CN210897369U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112271702A (en) * | 2020-11-24 | 2021-01-26 | 重庆辉腾能源股份有限公司 | Intelligent working method of cascade battery protection circuit |
| CN112510776A (en) * | 2020-11-24 | 2021-03-16 | 重庆辉腾能源股份有限公司 | Intelligent working method of multifunctional portable power supply |
-
2019
- 2019-08-22 CN CN201921377421.0U patent/CN210897369U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112271702A (en) * | 2020-11-24 | 2021-01-26 | 重庆辉腾能源股份有限公司 | Intelligent working method of cascade battery protection circuit |
| CN112510776A (en) * | 2020-11-24 | 2021-03-16 | 重庆辉腾能源股份有限公司 | Intelligent working method of multifunctional portable power supply |
| CN112271702B (en) * | 2020-11-24 | 2022-05-31 | 重庆辉腾能源股份有限公司 | Intelligent working method of cascade battery protection circuit |
| CN112510776B (en) * | 2020-11-24 | 2022-11-29 | 重庆辉腾能源股份有限公司 | Intelligent working method of multifunctional portable power supply |
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