CN207263272U - A kind of battery is weighed the safeguard structure of pressure sensor - Google Patents
A kind of battery is weighed the safeguard structure of pressure sensor Download PDFInfo
- Publication number
- CN207263272U CN207263272U CN201720982750.2U CN201720982750U CN207263272U CN 207263272 U CN207263272 U CN 207263272U CN 201720982750 U CN201720982750 U CN 201720982750U CN 207263272 U CN207263272 U CN 207263272U
- Authority
- CN
- China
- Prior art keywords
- pressure sensor
- mounting box
- inner cavity
- weighing
- box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model provides the safeguard structure that a kind of battery weighs pressure sensor, including mounting box, pressure sensor and PCB circuit board, and the pressure sensor and PCB circuit board are installed in the mounting box, and the PCB circuit board connects the pressure sensor；Seat of weighing, the bottom of the seat of weighing and pressure sensor contacts are provided with the mounting box, and the top for seat of weighing protrudes from the upper surface of mounting box, when weighing, pressure sensor senses the pressure change for seat of weighing；Gas access port is provided with the lateral wall of the mounting box, which connects with the inner cavity of mounting box, and after gas access port accesses certain flow rate gas, battery electrolyte steam during fluid injection then cannot be introduced into the inner cavity of mounting box.The safeguard structure is protected pressure sensor, so as to ensure the precision of battery liquid-filling when effectively prevent fluid injection by being passed through nitrogen from gas access port in electrolyte vapors intrusion mounting box so as to corrode pressure sensor.
Description
Technical field
It the utility model is related to battery production processing technique field, more particularly to a kind of battery is weighed the anti-of pressure sensor
Protection structure.
Background technology
As energy crisis and environmental problem are increasingly serious, in country under the vigorously supporting of new energy industry, power electric
Pond key technology is progressively ripe, and all kinds of power batteries are widely used to electrocar, battery-operated motor cycle, electric bicycle, too
On the products such as positive energy, communication terminal product and energy storage.
Battery core fluid injection is an essential procedure in battery core manufacture, and fluid injection accuracy of measurement is to weigh filling machine quality again
Key factor, the height of fluid injection accuracy of measurement directly determine the quality of a filling machine.Weighing system is the detection system of fluid injection precision
System, and pressure sensor is the vital part in weighing system, is that the direct of weighing precision takes on part, its precision is very
Height, but it is also very fragile.The corrosion of electrolyte vapors influences the precision of pressure sensor very big.
The content of the invention
The utility model provides the safeguard structure that a kind of battery weighs pressure sensor,.
In order to solve the above-mentioned technical problem, technical solution adopted in the utility model is：
A kind of battery is weighed the safeguard structure of pressure sensor, including mounting box, pressure sensor and PCB circuit board, institute
State pressure sensor and PCB circuit board is installed in the mounting box, the PCB circuit board connects the pressure sensor；Institute
State and seat of weighing is provided with mounting box, the bottom of the seat of weighing and pressure sensor contacts, and the top of the seat of weighing is dashed forward
For the upper surface of mounting box, when weighing, pressure sensor senses the pressure change for seat of weighing；In the lateral wall of the mounting box
On be provided with gas access port, which connects with the inner cavity of mounting box, when gas access port access certain flow rate gas
After body, battery electrolyte steam during fluid injection then cannot be introduced into the inner cavity of mounting box.
Further, the gas flow rate of the access port access is 0.005-0.015L/min.
Preferably, the gas flow rate of the access port access is 0.01L/min, while pressure sensor is protected, is prevented
Only pressure sensor induction precision is impacted since air-flow is excessive.
Preferably, the gas of the access port access is nitrogen.
Preferably, the inner cavity of the mounting box is provided with partition plate, and the inner cavity of the mounting box is split up into isolation by partition plate
Chamber top and inner cavity lower part, the pressure sensor are arranged on inner cavity top, and the PCB circuit board is arranged on inner cavity lower part, institute
Gas access port is stated to be arranged on the side wall on inner cavity top.
Preferably, the upper surface of the mounting box is provided with and weighs the sheath that seat matches.
Preferably, the mounting box includes box body and box lid, and the box lid is covered on the box body, convenient maintenance
With replacement inner components.
The utility model provides the safeguard structure that a kind of battery weighs pressure sensor, and the safeguard structure from gas by connecing
Entrance is passed through nitrogen, positive pressure is formed in mounting box, and from the gap outflow weighed between seat and mounting box, effectively prevent note
During liquid in electrolyte vapors intrusion mounting box, so as to corrode pressure sensor, the precision of pressure sensor is influenced, eventually causes electricity
Pond fluid injection deviation.The electrical property particularly battery life of battery is seriously affected if battery liquid-filling is on the low side, if battery liquid-filling
It is on the high side, it is easy to cause electrolyte extravasation or even explodes.
Brief description of the drawings
Fig. 1 be a kind of battery of the utility model weigh pressure sensor safeguard structure embodiment structure diagram；
Fig. 2 is the exploded structure diagram of Fig. 1.
Embodiment
Below in conjunction with the accompanying drawings, the embodiment of the utility model is specifically illustrated, attached drawing is only for reference and explanation uses, not structure
The limitation of paired the utility model patent protection domain.
As illustrated in fig. 1 and 2, a kind of battery is weighed the safeguard structure of pressure sensor, including mounting box 1, pressure sensor 2
With PCB circuit board 3, the pressure sensor 2 and PCB circuit board 3 are installed in the mounting box 1, and the PCB circuit board 3 connects
Connect the pressure sensor 2；Seat 4 of weighing is provided with the mounting box 1, the bottom of the seat 4 of weighing connects with pressure sensor 2
Touch, and the top for weighing seat 4 protrudes from the upper surface of mounting box 1, when weighing, pressure sensor 2 senses the pressure for seat 4 of weighing
Power changes；Gas access port 5 is provided with the lateral wall of the mounting box 1, the inner cavity of the gas access port 5 and mounting box 1
Connection, after gas access port 5 accesses certain flow rate gas, battery electrolyte steam during fluid injection then cannot be introduced into mounting box
Inner cavity.
The gas flow rate that the access port 5 accesses is 0.005-0.015L/min.
The gas flow rate that the access port 5 accesses is 0.01L/min, while pressure sensor is protected, prevent due to
Air-flow is excessive to impact 2 induction precision of pressure sensor.
The gas that the access port 5 accesses is nitrogen.
The inner cavity of the mounting box 1 is provided with partition plate 8, and the inner cavity of the mounting box is split up on the inner cavity of isolation by partition plate 8
Portion and inner cavity lower part, the pressure sensor 2 are arranged on inner cavity top, and the PCB circuit board 3 is arranged on inner cavity lower part, described
Gas access port 5 is arranged on the side wall on inner cavity top.
The upper surface of the mounting box 1 is provided with and weighs the sheath 6 that seat 4 matches.
The mounting box 1 includes box body 11 and box lid 12, and the box lid 12 is covered on the box body 11, convenient dimension
Repair and replace inner components.
Above disclosed is only the preferred embodiment of the utility model, it is impossible to the right of the utility model is limited with this
Protection domain, therefore the equivalent variations made according to present utility model application the scope of the claims, still belong to the model that the utility model is covered
Enclose.
Claims (7)
- The safeguard structure of pressure sensor 1. a kind of battery is weighed, including mounting box, pressure sensor and PCB circuit board, it is described Pressure sensor and PCB circuit board are installed in the mounting box, and the PCB circuit board connects the pressure sensor；It is described Seat of weighing, the bottom of the seat of weighing and pressure sensor contacts are provided with mounting box, and the top of the seat of weighing protrudes In the upper surface of mounting box, when weighing, pressure sensor senses the pressure change for seat of weighing；It is characterized in that：In the installation Gas access port is provided with the lateral wall of box, which connects with the inner cavity of mounting box, when gas access port accesses After certain flow rate gas, battery electrolyte steam during fluid injection then cannot be introduced into the inner cavity of mounting box.
- The safeguard structure of pressure sensor 2. a kind of battery according to claim 1 is weighed, it is characterised in that：The access The gas flow rate of mouth access is 0.005-0.015L/min.
- The safeguard structure of pressure sensor 3. a kind of battery according to claim 2 is weighed, it is characterised in that：The access The gas flow rate of mouth access is 0.01L/min.
- The safeguard structure of pressure sensor 4. a kind of battery according to Claims 2 or 3 is weighed, it is characterised in that：It is described The gas of access port access is nitrogen.
- The safeguard structure of pressure sensor 5. a kind of battery according to claim 1 is weighed, it is characterised in that：The installation The inner cavity of box is provided with partition plate, and the inner cavity of the mounting box is split up into the inner cavity top and inner cavity lower part of isolation, the pressure by partition plate Force snesor is arranged on inner cavity top, and the PCB circuit board is arranged on inner cavity lower part, and the gas access port is arranged on inner cavity On the side wall in portion.
- The safeguard structure of pressure sensor 6. a kind of battery according to claim 1 is weighed, it is characterised in that：The installation The upper surface of box is provided with and weighs the sheath that seat matches.
- The safeguard structure of pressure sensor 7. a kind of battery according to claim 1 is weighed, it is characterised in that：The installation Box includes box body and box lid, and the box lid is covered on the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720982750.2U CN207263272U (en) | 2017-08-08 | 2017-08-08 | A kind of battery is weighed the safeguard structure of pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720982750.2U CN207263272U (en) | 2017-08-08 | 2017-08-08 | A kind of battery is weighed the safeguard structure of pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207263272U true CN207263272U (en) | 2018-04-20 |
Family
ID=61924276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720982750.2U Expired - Fee Related CN207263272U (en) | 2017-08-08 | 2017-08-08 | A kind of battery is weighed the safeguard structure of pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207263272U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107367314A (en) * | 2017-08-08 | 2017-11-21 | 东莞市天蓝智能装备有限公司 | A kind of battery is weighed the safeguard structure of pressure sensor |
-
2017
- 2017-08-08 CN CN201720982750.2U patent/CN207263272U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107367314A (en) * | 2017-08-08 | 2017-11-21 | 东莞市天蓝智能装备有限公司 | A kind of battery is weighed the safeguard structure of pressure sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180420 Termination date: 20190808 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |