CN207198304U - Current divider formula current sensor - Google Patents
Current divider formula current sensor Download PDFInfo
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- CN207198304U CN207198304U CN201721069728.5U CN201721069728U CN207198304U CN 207198304 U CN207198304 U CN 207198304U CN 201721069728 U CN201721069728 U CN 201721069728U CN 207198304 U CN207198304 U CN 207198304U
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- current divider
- drain pan
- upper lid
- protuberance
- current
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Abstract
The utility model discloses a kind of current divider formula current sensor, it includes：Drain pan, drain pan are provided with groove；Current divider, it is installed in the groove on drain pan；Pcb board, it is fixedly connected on current divider；And upper lid, it is removably mounted on drain pan, and current divider and pcb board are contained between drain pan and upper lid；Wherein, drain pan is provided with the first protuberance, and upper lid is provided with the second protuberance corresponding with the first protuberance, and the first protuberance is connected on current divider, and the second protuberance is connected on pcb board.Relative to prior art, current divider and pcb board are installed between upper lid and bottom shell by the utility model current divider formula current sensor, and current divider and pcb board are abutted by the first protuberance of drain pan and the second protuberance of upper lid respectively, the good fixation of current divider and pcb board is ensure that, improves the reliability of current divider formula current sensor.
Description
Technical field
The utility model belongs to field of batteries, more specifically, the utility model is related to a kind of current divider formula current sense
Device.
Background technology
In cell art, as one kind of battery pack current measurement apparatus, the envelope of current divider formula current sensor
Dress mode is broadly divided into three kinds：
1st, plastic casing combination encapsulating is handled, and such a packaged type is carried out in the case where electronic component welding is completed
Encapsulating, after encapsulating due to expand with heat and contract with cold etc. factor can the harmful effect such as generating element failure, therefore the requirement to process for filling colloid compared with
Height, and risk can not be excluded completely；
2nd, wrapped up using upper lid and bottom shell, but sealed without using encapsulating, such a packaged type shell is not at sealing
Reason, therefore do not reach higher degree of protection；
3rd, there is no safeguard procedures, less use completely without shell, such a packaged type.
For the application scenarios inside battery bag, because battery pack case has higher degree of protection, electricity is considered
Three kinds of encapsulation schemes of flow sensor, at present many designs all use the 2nd kind of packaged type.But in the 2nd kind of encapsulation scheme
In, how to realize that the good fixation between pcb board, shell and current divider is an industry urgent problem to be solved.
In view of this, it is necessory to provide a kind of good fixing effect, Measurement reliability high current divider formula current sensor.
Utility model content
The purpose of this utility model is：Overcome the deficiencies in the prior art, there is provided a kind of good fixing effect, Measurement reliability
High current divider formula current sensor.
In order to realize above-mentioned purpose of utility model, the utility model provides a kind of current divider formula current sensor, and it is wrapped
Include：
Drain pan, drain pan are provided with groove；
Current divider, it is installed in the groove set on drain pan；
Pcb board, it is fixedly connected on current divider；And
Upper lid, is removably mounted on drain pan, and current divider and pcb board are contained between drain pan and upper lid；
Wherein, drain pan is provided with the first protuberance, and upper lid is provided with the second protuberance corresponding with the first protuberance, and first
Protuberance is connected on current divider, and the second protuberance is connected on pcb board.
As the utility model current divider formula current sensor one kind improve, it is described on be covered with fixing end, fixing end
Fixing hole is provided with, the both ends of the current divider are provided with installation through-hole corresponding with fixing hole.
One kind as the utility model current divider formula current sensor is improved, and the fixing hole of the upper lid is embedded with metal
Set.
One kind as the utility model current divider formula current sensor is improved, and the upper and lower side of the metallic sheath all protrudes from
Upper lid.
One kind as the utility model current divider formula current sensor is improved, and one end and the current divider of the metallic sheath connect
Touch connection.
One kind as the utility model current divider formula current sensor is improved, and passes through buckle between the upper lid and bottom shell
It is detachably connected.
One kind as the utility model current divider formula current sensor is improved, and the current divider and pcb board pass through welding
It is fixedly connected.
One kind as the utility model current divider formula current sensor is improved, and two or more are interval with the drain pan
Individual first protuberance, two or more second protuberances are correspondingly interval with the upper lid.
One kind as the utility model current divider formula current sensor is improved, the first protuberance and drain pan of the drain pan
Shell wall be integral type structure.
One kind as the utility model current divider formula current sensor is improved, the second protuberance and the upper lid of the upper lid
Shell wall be integral type structure.
Relative to prior art, current divider and pcb board are installed in upper lid by the utility model current divider formula current sensor
Current divider and pcb board are abutted respectively between drain pan, and by the first protuberance of drain pan and the second protuberance of upper lid, are ensured
The good fixation of current divider and pcb board.Lid, drain pan and current divider are fixed on exterior copper bar on during installation so that outside
Weight will not be applied on pcb board, and pcb board deformation will not be caused in mechanical oscillation so as to cause deforming and dropping off for component,
The measurement accuracy of current divider formula current sensor is ensure that, improves the reliability of current divider formula current sensor.
Brief description of the drawings
With reference to the accompanying drawings and detailed description, the utility model current divider formula current sensor is carried out specifically
It is bright, wherein：
Fig. 1 is the structural representation of the utility model current divider formula current sensor, wherein, current divider and pcb board have moved
Remove.
Fig. 2 is the structural representation of drain pan in current divider formula current sensor shown in Fig. 1.
Fig. 3 is the structural representation of upper lid in current divider formula current sensor shown in Fig. 1.
Wherein, description of reference numerals is as follows：
10- drain pan 100- grooves the first protuberances of 102-
Covered on 104- reinforcement 106- shell surfaces 20-
200- the second protuberance 202- fixing end 204- fixing holes
206- shell surface 208- reinforcement 210- buckle structures
30- metallic sheaths
Embodiment
In order that goal of the invention of the present utility model, technical scheme and its advantageous effects become apparent from, below in conjunction with
The drawings and specific embodiments, the utility model is further elaborated.It should be appreciated that described in this specification
Embodiment just for the sake of explain the utility model, be not intended to limit the utility model.
Refer to shown in Fig. 1 to Fig. 3, the utility model current divider formula current sensor, be fixedly attached to external stability
On device (not shown), it includes：
Drain pan 10, drain pan are provided with groove 100；
Current divider (not shown), is installed in the groove 100 set on drain pan 10；
Pcb board (not shown), is fixedly connected on current divider；And
Upper lid 20, is removably mounted on drain pan 10, and by current divider and pcb board be contained in drain pan 10 and upper lid 20 it
Between；
Wherein, drain pan 10 is provided with the first protuberance 102, and upper lid 20 is provided with and the first protuberance 102 corresponding second
Protuberance 200, the first protuberance 100 are connected on current divider, and the second protuberance 200 is connected on pcb board.
Refer to shown in Fig. 2, drain pan 10 is thin-walled shell structure, and 10 liang of relative side walls of drain pan are provided with a pair of grooves
100；The shell surface 106 of drain pan 10 is provided with the first protuberance 102 upwardly extended from the inner side of shell surface 106, the first protuberance 102
Between groove 100.According to an embodiment of the present utility model, it is prominent that two or more first are arranged at intervals in shell surface 106
Go out portion 102.In addition, the inner side of the shell surface 106 of drain pan 10 is provided with reinforcement 104.In the shown embodiment, the first of drain pan 10
The shell wall of protuberance 102 and drain pan 10 is integral type structure so that fixing intensity of first protuberance 102 on drain pan 10 is more
It is high.
Upper lid 20 is similarly thin-walled shell structure, and the upper both sides of lid 20 are respectively equipped with fixing end 202, and fixing end 202 is provided with
Fixing hole 204；The shell surface 206 of upper lid 20 is provided with the second protuberance 200 of the lateral direction of drain pan 10 extension from shell surface 206,
Second protuberance 200 is located between two fixing holes 204, and corresponding with the first protuberance 102.According to of the present utility model one
Individual embodiment, two the second protuberances 200 are arranged at intervals with upper lid 20.The inner side of the shell surface 206 of upper lid 20, which is provided with, to be strengthened
Muscle 208.In the shown embodiment, the shell wall of the second protuberance 200 and upper lid 20 of upper lid 20 is integral type structure so that the
Fixing intensity of two protuberances 200 on upper lid 20 is higher.
The opposite position of the shell wall of upper lid 20 and drain pan 10 is provided with buckle structure 210 so that upper lid 20 and drain pan 10 it
Between be mutually detachably connected by buckle structure 210.
Current divider is strip laminated structure, the width of current divider, the thickness width of groove 100 and height with drain pan 10 respectively
Degree is suitable so that current divider can be arranged in groove 100.The both ends that current divider extends drain pan 10 are provided with installation through-hole (not
Diagram), the fixing hole 204 of upper lid 20 is located at the upper end of the installation through-hole of current divider and corresponding with installation through-hole.
Pcb board is fixedly connected by welding on current divider, and pcb board is between upper lid 20 and current divider.
The fixing hole 204 of upper lid 20 is embedded with metallic sheath 30, and the upper and lower side of metallic sheath 30 all protrudes from lid 20, wherein gold
Category set 30 contacts connection with current divider close to one end of drain pan 10, to ensure that current divider stably connects between upper lid 20 and drain pan 10
Connect.Metallic sheath 30 is used to strengthen the intensity of upper lid 20, and pressure deforms upper lid 20 during preventing from fixing.According to of the present utility model
One embodiment, bolt may pass through metallic sheath 30 and the installation through-hole of current divider is threadably secured connection with corresponding nut
In external fixation device, on exterior copper bar.
The installation steps of the utility model current divider formula current sensor are as follows：
(1) by after current divider and pcb board welding, it is installed in the groove 100 of drain pan 10, the first protuberance of drain pan 10
102 are connected to current divider, and the both ends of current divider are located at outside drain pan 10；
(2) upper lid 20 is fixedly connected on drain pan 10 by buckle structure 210, current divider and pcb board are clamped in drain pan
Between 10 and upper lid 20, the second protuberance 200 of upper lid 20 is connected on pcb board, the first protuberance 102 and the second protuberance
200 are connected to the current divider and pcb board being welded as a whole from upper and lower both sides respectively so that the fixation of current divider and pcb board is more
It is firm and can avoid rocking；
(3) fixing hole 204 of lid 20 is embedded in metallic sheath 30 on, and metallic sheath 30 contacts with current divider；
(4) by the installation through-hole of current divider, current divider formula current sensor is fixedly installed on external fixation device,
The nut compressing of bolt plays a protective role on metallic sheath 30, avoiding the directly upper lid 20 of compression to upper lid 20；It is new in this practicality
In type, current divider is contacted with each other with exterior copper bar by bolt and is connected.
The detailed description of the utility model embodiment can be seen that relative to prior art, this practicality with reference to more than
Novel diverter formula current sensor has advantages below:
Current divider and pcb board are installed between upper lid 20 and drain pan 10 by upper lid 20 and snapping connection for drain pan 10,
And current divider and pcb board are connected to respectively using the first protuberance 102 in drain pan 10 and upper lid 20 and the second protuberance 200,
So that the fixation to current divider and pcb board is more firm.During installation, upper lid 20, drain pan 10 and current divider are fixed on exterior copper bar
On so that outside weight will not be applied on pcb board, and pcb board deformation will not be caused to cause component in mechanical oscillation
Deform and drop off, ensure that the measurement accuracy of current divider formula current sensor, significantly improve current divider formula current sensor
Reliability.
The announcement and teaching of book according to the above description, the utility model those skilled in the art can also be to above-mentioned realities
The mode of applying carries out appropriate change and modification.Therefore, the utility model is not limited to specific implementation disclosed and described above
Mode, some modifications and changes of the present utility model should also be as falling into scope of the claims of the present utility model.
In addition, although used some specific terms in this specification, but these terms are merely for convenience of description, not to this reality
With new composition any restrictions.
Claims (10)
- A kind of 1. current divider formula current sensor, it is characterised in that including：Drain pan, drain pan are provided with groove；Current divider, it is installed in the groove set on drain pan；Pcb board, it is fixedly connected on current divider；AndUpper lid, is removably mounted on drain pan, and current divider and pcb board are contained between drain pan and upper lid；Wherein, drain pan is provided with the first protuberance, and upper lid is provided with the second protuberance corresponding with the first protuberance, and first protrudes Portion is connected on current divider, and the second protuberance is connected on pcb board.
- 2. current divider formula current sensor according to claim 1, it is characterised in that fixing end is covered with described, Gu Fixed end is provided with fixing hole, and the both ends of the current divider are provided with installation through-hole corresponding with fixing hole.
- 3. current divider formula current sensor according to claim 2, it is characterised in that the fixing hole of the upper lid is embedded with Metallic sheath.
- 4. current divider formula current sensor according to claim 3, it is characterised in that the upper and lower side of the metallic sheath is all prominent For upper lid.
- 5. current divider formula current sensor according to claim 3, it is characterised in that one end of the metallic sheath and shunting Device contact connection.
- 6. current divider formula current sensor according to claim 1, it is characterised in that pass through between the upper lid and bottom shell Buckle is detachably connected.
- 7. current divider formula current sensor according to claim 1, it is characterised in that the current divider and pcb board pass through It is welded and fixed connection.
- 8. current divider formula current sensor according to claim 1, it is characterised in that two are interval with the drain pan Or multiple first protuberances, two or more second protuberances are correspondingly interval with the upper lid.
- 9. current divider formula current sensor according to claim 1, it is characterised in that the first protuberance of the drain pan with The shell wall of drain pan is integral type structure.
- 10. current divider formula current sensor according to claim 1, it is characterised in that the second protuberance of the upper lid Shell wall with upper lid is integral type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721069728.5U CN207198304U (en) | 2017-08-25 | 2017-08-25 | Current divider formula current sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721069728.5U CN207198304U (en) | 2017-08-25 | 2017-08-25 | Current divider formula current sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207198304U true CN207198304U (en) | 2018-04-06 |
Family
ID=61794781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721069728.5U Active CN207198304U (en) | 2017-08-25 | 2017-08-25 | Current divider formula current sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207198304U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900946A (en) * | 2019-03-26 | 2019-06-18 | 山东联合电力技术有限公司 | A kind of shell mechanism of the electronic current mutual inductor based on electric resistance partial pressure |
| CN116647984A (en) * | 2023-06-10 | 2023-08-25 | 江苏斯菲尔电气股份有限公司 | Shunt installation equipment |
-
2017
- 2017-08-25 CN CN201721069728.5U patent/CN207198304U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900946A (en) * | 2019-03-26 | 2019-06-18 | 山东联合电力技术有限公司 | A kind of shell mechanism of the electronic current mutual inductor based on electric resistance partial pressure |
| CN116647984A (en) * | 2023-06-10 | 2023-08-25 | 江苏斯菲尔电气股份有限公司 | Shunt installation equipment |
| CN116647984B (en) * | 2023-06-10 | 2024-05-28 | 江苏斯菲尔电气股份有限公司 | Shunt installation equipment |
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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: 20220120 Address after: 352100 science and technology building, No. 2, Xingang Road, Zhangwan Town, Jiaocheng District, Ningde City, Fujian Province Patentee after: Ningde Shidai Runzhi Software Technology Co.,Ltd. Address before: 352100 Xingang Road, Zhangwan Town, Jiaocheng District, Ningde, Fujian 1 Patentee before: Contemporary Amperex Technology Co.,Ltd. |