Electric control board for electrical control of lithium battery

Abstract

The utility model discloses an electric control board for electrical control of a lithium battery, which belongs to the technical field of lithium batteries and comprises an electric control board, a plurality of groups of electrical elements and a main support are sequentially mounted on the electric control board, and a relay module is mounted on the main support. The main support comprises a relay fixing plate and a pair of vertical frames, the pair of vertical frames are respectively fixed on the electric control board, and the relay fixing plate is fixed on the pair of vertical frames; the relay module comprises a charging and discharging relay, a fan fixing support, an intermediate relay and a relay connecting piece, and the charging and discharging relay is fixedly connected with a relay support. The electric control board for the electrical control of the lithium battery is integrated, standardized, small in occupied space, flexible and convenient to install and use, and capable of well realizing the electrical control of the lithium battery; and the mounting direction can be adjusted according to different use scenes of customers, so that the selectivity of users is increased, and the lithium battery pack bracket is more suitable for lithium battery packs of various models.

Description

Technical Field

[0001] The utility model belongs to the technical field of lithium batteries, and particularly relates to an electronic control board for the electrical control of lithium batteries. Background Art

[0002] Lithium batteries are widely used. During the assembly process of lithium batteries, various electrical components are used. How to highly integrate various different electrical components to achieve the integration, modularization of lithium battery electrical control components and the high efficiency of assembly is an urgent problem to be solved. This patent develops a combined structure of an electronic control board and a connector for the electrical control of lithium batteries, thus achieving the integration of lithium battery electrical control components and the high efficiency of assembly; the outgoing wire and trailing wire directions can be adjusted arbitrarily, further increasing the versatility of the product.

[0003] Therefore, in view of the above technical problems, it is necessary to provide an electronic control board for the electrical control of lithium batteries.

[0004] The information disclosed in this background art section is only intended to enhance the overall understanding of the present utility model and should not be regarded as an admission or any form of suggestion that this information constitutes prior art already known to those of ordinary skill in the art. Summary of the Utility Model

[0005] The purpose of the present utility model is to provide an electronic control board for the electrical control of lithium batteries, which can achieve the integration of lithium battery electrical control components and the high efficiency of assembly, and the outgoing wire and trailing wire directions can be adjusted arbitrarily to increase the versatility of the product.

[0006] To achieve the above purpose, a specific embodiment of the present utility model provides an electronic control board for the electrical control of lithium batteries, including an electronic control board, on which multiple groups of electrical components and a main bracket are sequentially installed, and a relay module is installed on the main bracket;

[0007] The main bracket includes a relay fixing plate and a pair of upright frames. The pair of upright frames are respectively fixed on the electronic control board, and the relay fixing plate is fixed on the pair of upright frames;

[0008] The relay module includes a charge and discharge relay, a fan fixing bracket, an intermediate relay and a relay connecting piece. A relay bracket is fixedly connected to the charge and discharge relay, and the charge and discharge relay is fixed on the relay fixing plate through the relay bracket. A relay base is fixedly connected to the intermediate relay, and the intermediate relay is fixed on any one of the upright frames through the relay base;

[0009] A fan is installed on the fan fixing bracket, and the fan fixing bracket is fixed on the relay fixing plate to dissipate heat from the charge and discharge relay through the fan;

[0010] The relay connecting piece includes a charging positive connecting piece, a discharging negative connecting piece and a total positive connecting piece. The charging positive connecting piece, the discharging negative connecting piece and the total positive connecting piece are all fixed on the charge-discharge relay.

[0011] The multiple groups of electrical components include a DC-DC, multiple groups of insulators, a shunt and a fuse. The DC-DC and the multiple groups of insulators are all fixed on the electronic control board, and the shunt and the fuse are respectively fixed on the multiple groups of insulators.

[0012] In one or more embodiments of the present utility model, the multiple groups of electrical components further include an antenna, an external display aviation plug, a charging communication socket, multiple groups of Nanjie battery terminals, a waterproof breathable valve and an emergency stop switch that are sequentially fixed on the electronic control board.

[0013] In one or more embodiments of the present utility model, the charge-discharge relay includes a charging relay and a discharging relay. The negative pole of the charging relay and the positive pole of the discharging relay are connected through the total positive connecting piece;

[0014] One end of the charging positive connecting piece is connected to the positive pole of the charging relay, and the other end is connected to any one group of Nanjie battery terminals;

[0015] One end of the discharging negative connecting piece is connected to the negative pole of the discharging relay, and the other end is connected to any one group of Nanjie battery terminals.

[0016] In one or more embodiments of the present utility model, a charge-discharge common negative connecting piece is connected between two groups of the Nanjie battery terminals. One end of the charge-discharge common negative connecting piece is fixed with a discharging negative connecting piece, and one end of the discharging negative connecting piece is fixed on any one group of insulators.

[0017] In one or more embodiments of the present utility model, the electronic control board, the relay fixing plate, the relay bracket and the fan fixing bracket are all assembled by any one of an aluminum alloy plate, a 314 stainless steel plate or a common steel plate.

[0018] In one or more embodiments of the present utility model, multiple groups of first bolts and multiple groups of second bolts are fixed on the electronic control board, which are respectively used for fixing different electrical components.

[0019] In one or more embodiments of the present utility model, upper nuts are embedded at the tops of multiple groups of the insulators, and lower nuts are fixed at the bottoms of multiple groups of the insulators;

[0020] The lower nut is matched with the first bolt.

[0021] In one or more embodiments of the present utility model, a plurality of groups of first mounting holes and a plurality of groups of second mounting holes are respectively formed in the relay bracket, and the sizes of the plurality of groups of first mounting holes and the plurality of groups of second mounting holes are different.

[0022] In one or more embodiments of the present utility model, a sealing strip is fixed at the edge position of the electronic control board.

[0023] In one or more embodiments of the present utility model, the model of the insulator matches the models of the shunt and the fuse.

[0024] Compared with the prior art, the electronic control board for lithium battery electrical control of the present utility model has the advantages of integration, standardization, small occupied space, flexible and convenient installation and use, and can well realize the electrical control of lithium batteries; and it can adjust the installation direction according to different usage scenarios of customers, increasing the selectivity of users and being more suitable for use with multiple models of lithium battery packs. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments recorded in the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0026] Figure 1 It is an exploded view of an electronic control board for lithium battery electrical control in an embodiment of the present utility model;

[0027] Figure 2 It is the structure of an electronic control board for lithium battery electrical control in an embodiment of the present utility model Figure 1 ;

[0028] Figure 3 It is the structure of an electronic control board for lithium battery electrical control in an embodiment of the present utility model Figure 2 ;

[0029] Figure 4 It is the structure diagram of the charge and discharge relay of an electronic control board for lithium battery electrical control in an embodiment of the present utility model;

[0030] Figure 5 It is the structure diagram of the insulator of an electronic control board for lithium battery electrical control in an embodiment of the present utility model.

[0031] Main reference numerals description:

[0032] 1. Electronic control board; 101. First bolt; 102. Second bolt; 103. Upright frame; 2. Relay fixing plate; 3. Antenna; 4. Charge and discharge relay; 5. Relay bracket; 501. First mounting hole; 502. Second mounting hole; 6. DC-DC; 7. Fan fixing bracket; 8. Sealing strip; 9. Insulator; 901. Upper nut; 902. Lower nut; 10. Shunt; 11. Intermediate relay; 12. External display screen aviation plug; 13. Fuse; 14. Relay base; 15. Charge communication socket; 16. Charge and discharge negative connection piece; 17. Charge and discharge common negative connection piece; 18. Nanfu terminal; 19. Charge positive connection piece; 20. Waterproof breathable valve; 21. Discharge negative connection piece; 22. Total positive connection piece; 23. Emergency stop switch. Detailed implementation manners

[0033] In order to enable those skilled in the art to better understand the technical solutions in the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0034] As Figures 1 - 5 shown, an electronic control board for lithium battery electrical control in an embodiment of the present utility model includes an electronic control board 1. Through holes are evenly formed at the edge positions of the electronic control board 1 to facilitate the installation and use of the electronic control board 1. Multiple groups of electrical components and a main bracket are sequentially installed on the electronic control board 1.

[0035] The multiple groups of electrical components include an antenna 3, a DC-DC 6, three groups of insulators 9, a shunt 10, an external display screen aviation plug 12, a fuse 13, a charge communication socket 15, four groups of Nanfu terminals 18, a waterproof breathable valve 20, an emergency stop switch 23, and an arc extinguisher (not shown in the figure) that are sequentially fixed on the electronic control board 1. Among them, the shunt 10 and the fuse 13 are respectively fixed on the three groups of insulators 9; mounting holes corresponding to the antenna 3, the external display screen aviation plug 12, the charge communication socket 15, the four groups of Nanfu terminals 18, the waterproof breathable valve 20, and the emergency stop switch 23 are respectively formed on the electronic control board 1 to facilitate assembly.

[0036] The main bracket includes a relay fixing plate 2 and a pair of upright frames 103. The pair of upright frames 103 are respectively fixed on the electronic control board 1, and the relay fixing plate 2 is fixed on the pair of upright frames 103. The relay fixing plate 2 and the pair of upright frames 103 form a C-shaped frame, and a relay module is installed on the C-shaped frame.

[0037] The relay module includes a charge and discharge relay 4, an intermediate relay 11, and relay connection pieces. A relay bracket 5 is fixedly connected to the charge and discharge relay 4. The charge and discharge relay 4 is fixed to the bottom end of a relay fixing plate 2 through the relay bracket 5. The bottom end of the intermediate relay 11 is fixedly connected to a relay base 14. The intermediate relay 11 is fixed to any one of the vertical frames 103 through the relay base 14.

[0038] The charge and discharge relay 4 includes a charging relay and a discharging relay. The relay connection pieces include a charging positive connection piece 19, a discharging negative connection piece 21, and a total positive connection piece 22. The negative electrode of the charging relay and the positive electrode of the discharging relay are connected through the total positive connection piece 22. One end of the charging positive connection piece 19 is connected to the positive electrode of the charging relay and the other end is connected to any one of the NANFU terminal posts 18. One end of the discharging negative connection piece 21 is connected to the negative electrode of the discharging relay and the other end is connected to any one of the NANFU terminal posts 18.

[0039] Among them, a sheath that can be rotated 360° arbitrarily is provided on the NANFU terminal post 18, so that when fixing the copper nose, different directions can be selected for fixing, so as to achieve the purpose of adjusting the installation direction and increasing the selectivity of users.

[0040] After each of the charging positive connection piece 19 and the discharging negative connection piece 21 is connected to a group of NANFU terminal posts 18, a charge and discharge common negative connection piece 17 is connected between the remaining two groups of NANFU terminal posts 18. One end of the charge and discharge common negative connection piece 17 is fixed with a charge and discharge negative connection piece 16. One end of the charge and discharge negative connection piece 16 is fixed to any one of the insulators 9.

[0041] A fan fixing bracket 7 is also fixed to the bottom end of the relay fixing plate 2. A fan is installed on the fan fixing bracket 7, and the fan fixing bracket 7 is located between the charging relay and the discharging relay. The charging relay and the discharging relay can be cooled by the fan.

[0042] Preferably, in this embodiment, the electronic control board 1, the relay fixing plate 2, the relay bracket 5, and the fan fixing bracket 7 are all assembled by any one of an aluminum alloy plate, a 314 stainless steel plate, or a common steel plate.

[0043] Three groups of first bolts 101 and three groups of second bolts 102 are fixed on the electronic control board 1. The diameter of the first bolts 101 is larger than that of the second bolts 102. The three groups of first bolts 101 and the three groups of second bolts 102 are respectively used to fix different electrical components.

[0044] Specifically, the DC-DC 6 is fixed on the three groups of second bolts 102 by screwing with hexagon nylon nuts to realize the installation and fixation of the DC-DC 6.

[0045] Such as Figure 5As shown, upper nuts 901 are embedded at the tops of the three groups of insulators 9, and lower nuts 902 are fixed at the bottoms of the three groups of insulators 9. Among them, the lower nuts 902 are matched with the first bolts 101, and the three groups of insulators 9 can be screwed and fixed on the three groups of first bolts 101 respectively through the lower nuts 902.

[0046] As Figure 4 shown, two first mounting holes 501 and three second mounting holes 502 are respectively formed in the relay bracket 5, and the sizes of the two first mounting holes 501 and the three second mounting holes 502 are different. Among them, the two first mounting holes 501 are elongated holes, and the three second mounting holes 502 are circular holes, which can fix relays with different signals so as to be selected and used according to different models of relays.

[0047] A sealing strip 8 is adhesively fixed at the edge position of the electronic control board 1 to facilitate the stability of the electronic control board 1 during installation and use.

[0048] The model of the insulator 9 is matched with the models of the shunt 10 and the fuse 13, and the model of the insulator 9 is selected according to the models of the shunt 10 and the fuse 13.

[0049] Compared with the prior art, the electronic control board for lithium battery electrical control of the present utility model is flexible and convenient to install and use, can modularly replace components, has a high integration degree, is easy to install, can greatly improve the installation efficiency, and makes full use of space; and can adjust the installation direction according to different usage scenarios of customers, increasing the selectivity of users, and is more suitable for use with multiple models of lithium battery packs.

[0050] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, it is intended to encompass all changes falling within the meaning and scope of the equivalent elements of the claims in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0051] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An electric control board for lithium battery electrical control, characterized in that: It includes an electric control board, on which a plurality of groups of electrical components and a main bracket are sequentially mounted, and on which a relay module is mounted; The main bracket includes a relay fixing plate and a pair of vertical frames, the pair of vertical frames are respectively fixed on the electric control board, and the relay fixing plate is fixed on the pair of vertical frames; The relay module includes a charge and discharge relay, a fan fixing bracket, an intermediate relay and a relay connecting piece, the charge and discharge relay is fixedly connected to the relay bracket, the charge and discharge relay is fixed to the relay fixing plate through the relay bracket, the intermediate relay is fixedly connected to the relay base, and the intermediate relay is fixed to any set of stands through the relay base; A fan is installed on the fan fixing bracket, and the fan fixing bracket is fixed on the relay fixing plate, and the fan is used to dissipate heat for the charging and discharging relay; The relay connecting piece includes a charging positive connecting piece, a discharging negative connecting piece and a total positive connecting piece, and the charging positive connecting piece, the discharging negative connecting piece and the total positive connecting piece are all fixed on the charging and discharging relay. The multiple groups of electrical components include DC-DC, multiple groups of insulators, shunts and fuses. The DC-DC and the multiple groups of insulators are fixed on the electric control board, and the shunts and fuses are respectively fixed on the multiple groups of insulators.

2. An electric control board for lithium battery electrical control according to claim 1, characterized in that: The multiple groups of electrical components also include an antenna, an external display screen aviation plug, a charging communication cradle, multiple groups of Nanfu terminal posts, a waterproof breathable valve and an emergency stop switch which are fixed in sequence on the electrical control panel.

3. An electric control board for lithium battery electrical control according to claim 2, characterized in that: The charging and discharging relay comprises a charging relay and a discharging relay, wherein the negative electrode of the charging relay and the positive electrode of the discharging relay are connected via a total positive connecting piece; One end of the charging positive electrode connecting piece is connected to the positive electrode of the charging relay, and the other end is connected to any group of Nanfu terminal posts; One end of the discharge negative electrode connecting piece is connected to the negative electrode of the discharge relay, and the other end is connected to any group of Nanfu terminal posts.

4. The electric control board for lithium battery electrical control according to claim 3, characterized in that: A common negative connection piece for charging and discharging is connected between two groups of Nanfu terminal posts, one end of which is fixed with a negative connection piece for charging and discharging, and one end of which is fixed on any group of insulators.

5. The electric control board for lithium battery electrical control according to claim 1, characterized in that: The electric control board, the relay fixing plate, the relay bracket and the fan fixing bracket are all assembled by any one of aluminum alloy plates, 314 stainless steel plates or ordinary steel plates.

6. The electric control board for lithium battery electrical control according to claim 1, characterized in that: The electric control board is fixed with a plurality of first bolts and a plurality of second bolts, which are respectively used to fix different electrical components.

7. An electric control board for lithium battery electrical control according to claim 6, characterized in that: The top ends of the multiple groups of insulators are all embedded with upper nuts, and the bottom ends of the multiple groups of insulators are all fixed with lower nuts; The lower nut matches the first bolt.

8. The electric control board for lithium battery electrical control according to claim 1, characterized in that: The relay bracket is provided with a plurality of groups of first mounting holes and a plurality of groups of second mounting holes, respectively. The sizes of the plurality of groups of first mounting holes and the plurality of groups of second mounting holes are different.

9. The electric control board for lithium battery electrical control according to claim 1, characterized in that: A sealing strip is fixed at the edge of the electric control board.

10. The electric control board for lithium battery electrical control according to claim 1, characterized in that: The type of the insulator matches the type of the shunt and the fuse.

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