CN211061664U - SOC display for power battery - Google Patents
SOC display for power battery Download PDFInfo
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- CN211061664U CN211061664U CN201921788387.6U CN201921788387U CN211061664U CN 211061664 U CN211061664 U CN 211061664U CN 201921788387 U CN201921788387 U CN 201921788387U CN 211061664 U CN211061664 U CN 211061664U
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- light
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- outer shell
- power battery
- soc
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- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002313 adhesive film Substances 0.000 claims abstract description 10
- 239000003086 colorant Substances 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000010079 rubber tapping Methods 0.000 claims description 2
- 210000000056 organ Anatomy 0.000 abstract description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
An SOC display for a power battery can solve the technical problem that when the battery is in failure, unpacked and overhauled, a vehicle control unit is separated from the SOC display, and the remaining electric quantity cannot be monitored. A PCBA assembly is arranged in the outer shell; the PCBA assembly comprises a light-emitting loop, a switch button, a sound alarm circuit and a low-voltage connector; the upper surface of the outer shell is provided with hollows, the positions of the hollows are used as display areas, transparent adhesive films are arranged at positions corresponding to the display areas, the transparent adhesive films comprise two colors, the light guide part is transparent, and the rest is black; a light guide column is arranged at a position corresponding to the display area of the outer shell; the SOC display of the utility model has small volume and is arranged on the panel of the battery pack, can conveniently monitor the charge state of the single battery pack and does not need to be read by an upper computer or a vehicle control unit; this kind of neotype SOC display has bee calling organ, when the battery package trouble, can the acoustic control immediately report to the police, and in time handle avoids causing major accident.
Description
Technical Field
The utility model relates to an electric automobile power battery part technical field, concretely relates to SOC display for power battery.
Background
Lithium batteries have been widely used as power sources in the fields of aerospace, communication, electronic digital code and the like. In recent years, due to the large popularization and application of new energy automobiles, the lithium battery is gradually used in automobiles in industrialization. Lithium batteries are complex electrochemical systems that operate under different load conditions with different amounts of electricity actually available for release. At present, the electric quantity display of a power battery pack depends on the display of a whole vehicle instrument, the electric quantity display of a single battery pack always judges the residual electric quantity according to the terminal voltage of a battery, but usually, whether the battery exists or not can be estimated, and when the battery is frequently disassembled from a package and maintained due to a fault, the residual electric quantity cannot be monitored by a whole vehicle controller, so that an SOC display capable of displaying the charge state of the single power battery is needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a SOC display for power battery can solve when battery trouble bale breaking overhauls, has broken away from the technical problem that vehicle control unit just can't monitor the residual capacity.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
An SOC display for a power cell, comprising: a PCBA assembly is arranged in the outer shell;
The PCBA assembly comprises a light-emitting loop, a switch button, a sound alarm circuit and a low-voltage connector;
The upper surface of the outer shell is provided with a hollow part, the hollow part is used as a display area, a transparent adhesive film is arranged at a position corresponding to the display area, the transparent adhesive film comprises two colors, the light guide part is transparent, and the rest is black;
A light guide column is arranged at a position corresponding to the display area of the outer shell;
The BMS provides a high-level signal for the light-emitting loop through the low-voltage connector, so that a light-emitting device of the light-emitting loop emits light, the light-emitting device is mechanically matched with the light guide column, and the light guide column is electrically lightened, so that the display effect is achieved;
The BMS provides a high-level signal for a sound production device of the sound alarm circuit through a low-voltage connector, and the sound production device is used for producing alarm sound;
The switch button sends a low level signal to the BMS through a low voltage connector for on-off control of the BMS.
Further, the shell body adopts integrative injection moulding, and the installation face of shell body is opened has the seal groove, and the embedded waterproof sealing washer of seal groove.
Further, the PCBA assembly is mounted on the BOSS column of the outer shell.
Further, the PCBA assembly is installed on the BOSS column of the outer shell through self-tapping screws 0.
Further, the light emitting device adopts a light emitting diode.
Further, the sounding device adopts a buzzer.
Furthermore, the light-emitting loop, the switch button, the sound alarm circuit and the low-voltage connector are all installed in a patch mode.
According to the above technical scheme, the utility model discloses a SOC display for power battery is different from traditional SOC instrument and shows, need not send data through vehicle control unit, and small, and the quality is light, and the mountable still possesses bee calling organ alarming function simultaneously on any power battery's the panel, can observe the state of charge of battery.
The SOC display of the utility model has small volume and is arranged on the panel of the battery pack, can conveniently monitor the charge state of the single battery pack and does not need to be read by an upper computer or a vehicle control unit; this kind of neotype SOC display has bee calling organ, when the battery package trouble, can the acoustic control immediately report to the police, and in time handle avoids causing major accident.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the disassembled structure of the present invention;
FIG. 3 is a schematic view of the back side of the PCBA of the present invention;
Fig. 4 is a schematic structural diagram of the outer casing of the present invention;
Fig. 5 is a schematic diagram of a light-emitting circuit and a sound-generating circuit according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
As shown in fig. 1 to 5, the SOC display for power battery according to the present embodiment includes: a PCBA assembly is arranged in the outer shell 5;
The PCBA assembly comprises a light-emitting loop 3, a switch button 6, a sound alarm circuit 9 and a low-voltage connector 7;
The upper surface of the outer shell 5 is provided with a hollow part, the hollow part is used as a display area, a transparent adhesive film 4 is arranged at a position corresponding to the display area, the transparent adhesive film 4 comprises two colors, the light guide part is transparent, and the rest is black;
The light guide column 2 is arranged at the corresponding position of the display area of the outer shell 5;
The BMS provides a high-level signal for the light-emitting loop 3 through the low-voltage connector 7, so that a light-emitting device of the light-emitting loop 3 emits light, the light-emitting device is mechanically matched with the light guide column 2, and the light guide column 2 is lightened electrically, so that the function of displaying electric quantity is achieved;
The BMS provides a high-level signal for a sound production device of a sound alarm circuit 9 through a low-voltage connector 7, and the sound production device is used for producing alarm sound; the buzzer can be used for warning faults such as insufficient battery power, insufficient insulation and the like, and can give out a 90dB sound alarm;
The switch button 6 transmits a low level signal to the BMS through the low voltage connector 7 for switching control of the BMS. The method and the device can be particularly used for awakening the dormant BMS and providing an awakening model.
The following is a detailed description:
As shown in fig. 2, the outer shell 5 is integrally formed by injection molding, a sealing groove is formed on the mounting surface, and the waterproof sealing ring 1 is embedded in the sealing groove, so that the requirement of IP6K9K is met; the upper surface of the outer shell 5 is provided with a building control as a display area, the display area can be provided with the adhesive film 4, the adhesive film 4 has two colors, the light guide part is transparent, the rest is black, and the switch button 6 slightly protrudes, so that the hand feeling of the key is kept. Electronic components on the PCBA assembly are mounted in a patch mode.
The overall display principle is as follows: low pressure connector 7 accepts BMS high level model, lights corresponding emitting diode, and the diode is positive to be the leaded light post to the luminous 2 of leaded light post, just can see the electric quantity that shows through pad pasting 4, the luminous quantity 1 of leaded light post, 2, 3, 4 correspond 25%, 50%, 75% and 100% SOC respectively.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. An SOC display for power battery, includes shell body (5), its characterized in that: a PCBA assembly is arranged in the outer shell (5);
The PCBA assembly comprises a light-emitting loop (3), a switch button (6), a sound alarm circuit (9) and a low-voltage connector (7);
The upper surface of the outer shell (5) is provided with a hollow part, the hollow part is used as a display area, a transparent adhesive film (4) is arranged at a position corresponding to the display area, the transparent adhesive film (4) comprises two colors, the light guide part is transparent, and the rest is black;
A light guide column (2) is arranged at a position corresponding to the display area of the outer shell (5);
The BMS provides a high-level signal for the light-emitting loop (3) through the low-voltage connector (7), so that a light-emitting device of the light-emitting loop (3) emits light, the light-emitting device is mechanically matched with the light guide column (2), and the light guide column (2) is electrically lightened, so that the display effect is achieved;
The BMS provides a high-level signal for a sound production device of a sound alarm circuit (9) through a low-voltage connector (7), and the sound production device is used for producing alarm sound;
The switch button (6) sends a low level signal to the BMS through the low voltage connector (7) for switching control of the BMS.
2. The SOC display for a power battery according to claim 1, wherein: the outer shell (5) is integrally formed by injection molding, a sealing groove is formed in the mounting surface of the outer shell (5), and a waterproof sealing ring (1) is embedded in the sealing groove.
3. The SOC display for a power battery according to claim 1, wherein: the PCBA assembly is mounted on a BOSS column (51) of the outer housing (5).
4. The SOC display for a power battery of claim 3, wherein: the PCBA assembly is mounted on a BOSS column (51) of the outer shell (5) through self-tapping screws (10).
5. The SOC display for a power battery according to claim 1, wherein: the light emitting device adopts a light emitting diode.
6. The SOC display for a power battery according to claim 1, wherein: the sounding device adopts a buzzer.
7. The SOC display for a power battery according to claim 1, wherein: the light-emitting loop (3), the switch button (6), the sound alarm circuit (9) and the low-voltage connector (7) are all installed in a patch mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921788387.6U CN211061664U (en) | 2019-10-23 | 2019-10-23 | SOC display for power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921788387.6U CN211061664U (en) | 2019-10-23 | 2019-10-23 | SOC display for power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211061664U true CN211061664U (en) | 2020-07-21 |
Family
ID=71585121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921788387.6U Active CN211061664U (en) | 2019-10-23 | 2019-10-23 | SOC display for power battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211061664U (en) |
-
2019
- 2019-10-23 CN CN201921788387.6U patent/CN211061664U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220119 Address after: 200000 building 26, No. 1387, Zhangdong Road, Pudong New Area, Shanghai Patentee after: SHANGHAI GUOXUAN NEW ENERGY Co.,Ltd. Address before: 230011 No. 599 Daihe Road, Xinzhan District, Hefei City, Anhui Province Patentee before: Gotion High-tech Co., Ltd. |