CN112014613B - Coil sensor adapter structure and current acquisition device - Google Patents
Coil sensor adapter structure and current acquisition device Download PDFInfo
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- CN112014613B CN112014613B CN201910458663.0A CN201910458663A CN112014613B CN 112014613 B CN112014613 B CN 112014613B CN 201910458663 A CN201910458663 A CN 201910458663A CN 112014613 B CN112014613 B CN 112014613B
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- 238000009434 installation Methods 0.000 claims abstract description 25
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- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
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- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
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Abstract
The application discloses a coil sensor adapting structure. According to the technical scheme disclosed by the application, one end of the coil sensor is fixed at one end of the installation cavity, and the other end of the coil sensor is exposed outside the installation cavity, and the two ends of the coil sensor are locked, so that irrelevant personnel can be effectively prevented from being disassembled at will. In view of the existence of the limit spring, when a user pulls the free end of the coil sensor to extend away from the mounting cavity, the limit spring is compressed so as to lock the free end of the coil sensor with the fixed end of the coil sensor; when the free end of the coil sensor is separated from the fixed end of the coil sensor, the coil sensor exposed outside the installation cavity is convenient to recycle into the installation cavity under the acting force of the limiting spring.
Description
Technical Field
The present disclosure relates generally to the field of electrical technology, and in particular, to a coil sensor mating structure and a current collection device.
Background
The current acquisition device mainly completes current data acquisition and conversion, and can realize data exchange between the acquisition module and the computer according to a certain communication protocol.
In practical use, the current collection device has the following technical defects, and needs to be improved: one is: the coil sensor is troublesome to install, affects the installation speed, and has potential safety hazards; and the second is: the installed acquisition coil sensor can be disassembled at will, and has no locking function.
Disclosure of Invention
In view of the foregoing drawbacks or shortcomings of the prior art, it is desirable to provide a coil sensor mating structure that is easy to install and that can be locked as compared to the prior art, and a current collection device employing the same.
In a first aspect, a coil mating structure includes: a coil sensor and a mounting cavity for mounting the coil sensor; the coil sensor extends circumferentially along the interior of the mounting cavity; one end of the coil sensor is fixed at one end of the mounting cavity, and the other end of the coil sensor is exposed outside the upper opening of the mounting cavity; a limiting spring positioned in the mounting cavity is sleeved on the free end of the coil sensor, and one end, relatively close to the upper opening of the mounting cavity, of the limiting spring is fixedly connected with the side wall of the opening; the two ends of the coil sensor can be locked.
According to the technical scheme provided by the embodiment of the application, at least one limiting plate for limiting the trend of the coil sensor is arranged in the installation cavity; the limiting plate and the upper opening of the mounting cavity are positioned on the same side and distributed along the trend of the coil sensor.
According to the technical scheme provided by the embodiment of the application, the length of the coil sensor is smaller than the perimeter of the mounting cavity.
According to the technical scheme provided by the embodiment of the application, the fixed end of the coil sensor is provided with the matching part, the free end of the matching part is sleeved with the hollow lock catch part, and a first elastic element sleeved on the outer wall of the matching part is also arranged between the matching part and the lock catch part; the free end of the coil sensor is provided with a locking part which can be locked with the locking part.
According to the technical scheme provided by the embodiment of the application, one end of the matching part far away from the lock catch part is provided with a columnar first outer edge, and one end of the lock catch part relatively close to the matching part is provided with a columnar second outer edge; the mounting cavity is provided with a matching groove; a first clamping groove for fixing the first outer edge is formed in one end of the matching groove, and a second clamping groove for accommodating the locking part is formed in the other end of the matching groove; a first travel groove capable of providing a travel space for the second outer edge is formed between the first clamping groove and the second clamping groove.
According to the technical scheme provided by the embodiment of the application, the mounting cavity is provided with the through groove which is convenient for the free end of the coil sensor to penetrate through at the same side of the matching groove; a driving motor is arranged between the matching groove and the through groove, and an output shaft of the driving motor is matched with a cam; a columnar accommodating groove is formed between the matching groove and the through groove, and a second elastic element is arranged in one end, close to the through groove, of the accommodating groove; a second travel groove is formed in the side wall, close to the driving motor, of the accommodating groove, and a limiting block capable of being matched with the cam is connected in the second travel groove in a matching mode; one end of the limiting block, which is close to the second elastic element, is connected with the limiting block in a matched mode; the locking part is provided with a circle of annular grooves which can be matched and connected with the end parts of the limiting blocks; a gap is arranged at the opposite corresponding position of the second clamping groove and the accommodating groove; when the second elastic element is in an extending state, the cam is in an initial position, and the free end of the limiting block can enter the annular groove through the notch; when the driving motor drives the cam to rotate, the cam can drive the limiting block to move in a direction away from the matching groove; further comprises: and the control unit is used for driving the motor to rotate and is electrically connected with the driving motor.
According to the technical scheme provided by the embodiment of the application, the limiting block is L-shaped and comprises: the cam comprises an actuating arm matched with the cam and a limiting arm vertically fixedly connected with the actuating arm.
According to the technical scheme provided by the embodiment of the application, the free end of the actuating arm is also provided with an extension arm, and a contact switch which is arranged right below the extension arm and corresponds to the extension arm is arranged; the contact switch is electrically connected with the control unit.
In a second aspect, a current collection device includes: the device body and the coil sensor mating structure according to the first aspect provided inside the device body.
In summary, the present application discloses a coil sensor coupling structure. According to the technical scheme disclosed by the application, one end of the coil sensor is fixed at one end of the installation cavity, and the other end of the coil sensor is exposed outside the installation cavity, and the two ends of the coil sensor are locked, so that irrelevant personnel can be effectively prevented from being disassembled at will. In view of the existence of the limit spring, when a user pulls the free end of the coil sensor to extend away from the mounting cavity, the limit spring is compressed so as to lock the free end of the coil sensor with the fixed end of the coil sensor; when the free end of the coil sensor is separated from the fixed end of the coil sensor, the coil sensor exposed outside the installation cavity is convenient to recycle into the installation cavity under the acting force of the limiting spring.
The technical scheme disclosed by the application also specifically provides specific structural designs at the two ends of the coil sensor so as to optimize the protection designs locked at the two ends of the coil sensor, thereby maximally preventing the situation of manual random disassembly.
In addition, the coil sensor matching structure disclosed by the application can be applied to a current acquisition device to prevent the situation that the current acquisition device is manually and randomly disassembled in the current acquisition process to the greatest extent.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic view of a coil sensor mating structure (coil sensor with two ends separated) according to the present application;
FIG. 2 is a schematic view of a coil sensor coupling structure (with two ends of the coil sensor locked) according to the present application;
FIG. 3 is a schematic view of the structure of the accommodating groove in FIG. 2;
Fig. 4 is a schematic structural diagram of a current collecting device in the present application.
Reference numerals in the drawings:
1. A coil sensor; 11. a mating portion; 111. a first outer edge; 12. a locking part; 121. a second outer edge; 13. a first elastic element; 14. a locking part; 141. an annular groove; 2. a mounting cavity; 21. a mating groove; 211. a first clamping groove; 212. a second clamping groove; 2121. a notch; 213. a first travel slot; 22. a through groove; 23. a driving motor; 24. a cam; 25. a receiving groove; 251. a second elastic element; 252. a second travel groove; 26. a limiting block; 261. an actuator arm; 262. a limiting arm; 3.a lower cover; 4. an upper cover; 5. a touch screen; 6. a limit spring; 7. and a limiting plate.
Detailed Description
The application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be noted that, for convenience of description, only the portions related to the application are shown in the drawings.
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
Embodiment one:
Referring to fig. 1,2 and 3, a coil coupling structure includes: a coil sensor 1 and a mounting cavity 2 for mounting the coil sensor 1; the coil sensor 1 extends circumferentially along the inside of the mounting cavity 2; one end of the coil sensor 1 is fixed at one end of the installation cavity 2, and the other end of the coil sensor is exposed outside an upper opening of the installation cavity 2; a limit spring 6 positioned in the installation cavity 2 is sleeved on the free end of the coil sensor 2, and one end, relatively close to the upper opening of the installation cavity 2, of the limit spring 6 is fixedly connected with the side wall of the opening; the two ends of the coil sensor 1 can be locked.
The technical scheme provides a structure of the coil sensor adapting structure, which comprises the following steps: a coil sensor 1 and a mounting cavity 2 for mounting the coil sensor 1.
Wherein: the coil sensor 1 is used as a core component of the current acquisition device and is matched with an acquisition circuit in the driving device to acquire current.
And the mounting cavity is used for being matched with the coil sensor so as to fix the structure of the coil sensor. The whole is preferably a cavity with a cuboid structure.
The coil sensor is arranged in the mounting cavity, and one end of the coil sensor is fixedly connected with one end of the mounting cavity, namely the fixed end of the coil sensor; the other end is exposed out of the mounting cavity, namely the free end of the coil sensor. Alternatively, the free end of the coil sensor may be exposed outside the mounting cavity by providing an opening in the mounting cavity.
The free end of the coil sensor is locked with the fixed end of the coil sensor, so that the two ends of the coil sensor can be closed, the coil sensor is conveniently sleeved on a circuit needing to collect current, and the coil sensor is prevented from being detached at will by non-operating personnel.
In addition, in view of the existence of the limit spring, when a user pulls the free end of the coil sensor to extend away from the mounting cavity, the limit spring is compressed so as to lock the free end of the coil sensor with the fixed end of the coil sensor; when the free end of the coil sensor is separated from the fixed end of the coil sensor, the coil sensor exposed outside the installation cavity is convenient to recycle into the installation cavity under the acting force of the limiting spring.
In order to facilitate the orientation constraint of the coil sensor in the installation cavity, in any preferred embodiment, at least one limiting plate 7 for limiting the orientation of the coil sensor 1 is arranged in the installation cavity 2; the limiting plate 7 and the upper opening of the mounting cavity 2 are positioned on the same side and distributed along the trend of the coil sensor.
In any preferred embodiment, the length of the coil sensor 1 is smaller than the perimeter of the mounting cavity 2.
In any preferred embodiment, the fixed end of the coil sensor 1 is provided with a matching part 11, the free end of the matching part 11 is sleeved with a hollow locking part 12, and a first elastic element 13 sleeved on the outer wall of the matching part 11 is also arranged between the matching part 11 and the locking part 12; the free end of the coil sensor 1 is fitted with a locking portion 14 and the locking portion 14 is capable of locking with the locking portion 12.
Specifically, in order to achieve locking of the free end of the coil sensor and the fixed end thereof, the structure of the fixed end of the coil sensor and the structure of the free end are specifically provided in the embodiment.
Wherein:
The coil sensor is provided with a matching part on the fixed end and a locking part sleeved on the matching part, and based on the design, the locking part can slide along the outer wall of the matching part. In addition, a first elastic element sleeved on the outer wall of the matching part is also arranged between the matching part and the locking part; based on the design, the first elastic element can push the locking part to move away from the matching part, so that the locking part can be conveniently connected with the locking part.
Accordingly, the free end of the coil sensor is mounted with a locking portion capable of locking with the locking portion. Based on the design, the locking part is exposed out of the mounting cavity, and when the locking part is pulled and bent to be capable of being matched with the locking part, the locking part relatively far away from the matching part under the action of the first elastic element can be matched with the locking part very conveniently.
The first resilient element may alternatively be a spring.
In any preferred embodiment, a columnar first outer edge 111 is disposed at an end of the mating portion 11 away from the locking portion 12, and a columnar second outer edge 121 is disposed at an end of the locking portion 12 relatively close to the mating portion 11; the mounting cavity 2 is provided with a matching groove 21; a first clamping groove 211 for fixing the first outer edge 111 is formed in one end of the coupling groove 21, and a second clamping groove 212 for accommodating the locking part 12 is formed in the other end of the coupling groove; a first travel groove 213 capable of providing a travel space for the second outer edge 121 is formed between the first clamping groove 211 and the second clamping groove 212.
Under the design of the first clamping groove and the second clamping groove, a first travel groove is formed between the first clamping groove and the second clamping groove, namely, a travel space is provided for the second outer edge.
For can fixed joining in marriage and connect the portion, be equipped with on the design installation cavity in this embodiment and join in marriage and connect the groove, and in order to be convenient for join in marriage the free end of portion and the hasp portion match and connect, be equipped with first draw-in groove in the groove of joining in marriage and connect for fixed the first outer edge on the portion of joining in marriage, so that the other part of joining in marriage and connect the portion and expose in first journey inslot and can cup joint with the hasp portion.
Likewise, in order to limit the displacement of the locking portion along the axial direction of the mating groove, a second clamping groove for accommodating the locking portion is arranged in the other end of the mating groove, namely: when the locking part moves along the matching part in a direction away from the matching part, the free end of the locking part enters the second clamping groove, and the displacement of the second outer edge can be limited by utilizing the end wall of the second clamping groove.
Based on the above design, even if the locking portion moves away from the mating portion under the action of the first elastic element, the end wall of the second clamping groove can limit the displacement of the second outer edge, so that the locking portion is prevented from being separated from the mating portion.
In any preferred embodiment, the mounting cavity 2 is provided with a through groove 22 on the same side as the matching groove 21 for facilitating the penetration of the free end of the coil sensor 1; a driving motor 23 is arranged between the matching groove 21 and the through groove 22, and a cam 24 is matched with an output shaft of the driving motor 23; a columnar accommodating groove 25 is arranged between the matching groove 21 and the through groove 22, and a second elastic element 251 is arranged in one end of the accommodating groove 25, which is close to the through groove 22; a second travel groove 252 is formed in the side wall, close to the driving motor 23, of the accommodating groove 25, and a limiting block 26 capable of being matched with the cam 24 is matched and connected in the second travel groove 252; one end of the limiting block 26 close to the second elastic element 251 is matched and connected with the limiting block; the locking part 14 is provided with a circle of annular grooves 141 which can be matched and connected with the end parts of the limiting blocks 26; a notch 2121 is arranged at the position, opposite to the accommodating groove 25, of the second clamping groove 212; when the second elastic element 251 is in the extended state, the cam 24 is in the initial position and the free end of the limiting block 26 can enter the annular groove 141 through the notch 2121; when the driving motor 23 drives the cam 24 to rotate, the cam 24 can drive the limiting block 26 to move in a direction away from the matching groove 21; further comprises: a control unit for driving the rotation of the motor 23, the control unit being electrically connected to the motor 23.
In order to enable the locking of the lock portion and the locking portion, the present embodiment is provided with the above-described design, specifically:
Referring to fig. 1, under the action of the first elastic element, the latch portion is at the maximum displacement; the driving motor is static, the cam is in an initial position, and the free end of the limiting block is just positioned at the notch under the action of the second elastic element. (because the locking part enters the second clamping groove, the free end of the limiting block is limited to be just propped against the outer wall of the locking part.)
When the locking part and the locking part are required to be connected in a matching way, the driving motor is started to drive the cam to rotate, and then the limiting block is gradually driven to move away from the direction of the matching groove, the locking part and the locking part are buckled, and at the moment, the locking part moves towards the direction close to the matching part due to the intervention of external force.
Meanwhile, please refer to fig. 2, the cam completes a rotation, at this time, the cam is at the initial position, and the free end of the stopper is just matched with the annular groove through the notch under the action of the second elastic element, so that the stopper can limit the position of the locking part, and the situation that irrelevant operators disassemble at will is prevented.
In the above process, the locking at the two ends of the coil sensor is automatically realized by the cooperation of the driving motor, the cam, the limiting block and the second elastic element, and compared with the manual locking in the prior art, the locking device is more intelligent and efficient.
In this embodiment, in order to control the driving motor, the driving motor further includes: a control unit for driving the rotation of the motor 23, the control unit being electrically connected to the motor 23. Optionally, the control unit is a single-chip microcomputer, and the driving motor is controlled to rotate by the single-chip microcomputer to be a common design, which is not described herein.
In any preferred embodiment, the stopper 26 is L-shaped and includes: an actuating arm 261 matched with the cam 24 and a limiting arm 262 vertically fixedly connected with the actuating arm 261.
In this embodiment, a specific structure of the stopper is provided, and the stopper with an L-shaped structure has a simple structure and can cooperate with the cam to realize the above function.
In any preferred embodiment, an extension arm 263 is further disposed on the free end of the actuating arm 261, and a contact switch 27 disposed corresponding to the extension arm 263 is disposed right under the extension arm 263.
In this embodiment, the structure of the limiting block is optimized, that is, the structure of the extension arm is increased, and the extension arm can be matched with the contact switch in the action process of the cam.
When the limiting block is matched with the annular groove, the extension arm is far away from the contact switch; when the cam drives the limiting block to the maximum displacement of the limiting block, the extending arm touches the contact switch.
At this time, in view of the fact that the contact switch is electrically connected to the control unit, when it is touched by the extension arm, it sends a level signal to the control unit, which gets it.
Because the cam must select a certain angle, the limiting block pressed by the cam can be guaranteed to move to the position touching the contact switch, and the level signal obtained by the control unit is regarded as obtaining the first rotation angle of the driving motor.
Then, the control unit controls the driving motor to continue rotating for a second rotation angle according to the signal and then stops so as to restore to the original state, so that the sum of the first rotation angle and the second rotation angle is 360 degrees.
Alternatively, the model of the singlechip may be any type known in the art.
Referring to fig. 4, a current collecting apparatus includes: the device body and the coil sensor mating structure as described in the above embodiment provided inside the device body.
In any preferred embodiment, the device body comprises: the touch screen comprises a lower cover 3 with a hollow semi-cylindrical structure and an upper cover 4 buckled with the lower cover 3, wherein a touch screen 5 is matched and connected in the upper cover 4; the outer wall of the installation cavity 2 of the coil sensor matching structure is matched with the lower cover 3, and one side, relatively close to the upper cover 4, on the outer wall of the installation cavity 2 is fixedly connected with a driving device; the driving device is electrically connected with the driving motor 23 to drive the driving motor to rotate; the driving device is in communication connection with the touch screen 5 through a serial port; in addition, the driving device can be matched with the coil sensor to collect current on the circuit, and specific technical means can be referred to the prior art, and details are not repeated here.
The above description is only illustrative of the preferred embodiments of the present application and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the application referred to in the present application is not limited to the specific combinations of the technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the inventive concept. Such as the above-mentioned features and the technical features disclosed in the present application (but not limited to) having similar functions are replaced with each other.
Claims (5)
1. A coil sensor mating structure, characterized in that: comprising the following steps: a coil sensor (1) and a mounting cavity (2) for mounting the coil sensor (1); the coil sensor (1) extends circumferentially along the interior of the mounting cavity (2); one end of the coil sensor (1) is fixed at one end of the installation cavity (2) and the other end of the coil sensor is exposed outside an upper opening of the installation cavity (2); a limit spring (6) positioned in the installation cavity (2) is sleeved on the free end of the coil sensor (2), and one end, relatively close to an upper opening of the installation cavity (2), of the limit spring (6) is fixedly connected with the side wall of the opening; both ends of the coil sensor (1) can be locked;
At least one limiting plate (7) for limiting the trend of the coil sensor (1) is arranged in the mounting cavity (2); the limiting plate (7) and the upper opening of the mounting cavity (2) are positioned on the same side and distributed along the trend of the coil sensor;
the length of the coil sensor (1) is smaller than the circumference of the mounting cavity (2);
the coil sensor is characterized in that a fixed end of the coil sensor (1) is provided with a matching part (11), a hollow lock catch part (12) is sleeved at the free end of the matching part (11), and a first elastic element (13) sleeved on the outer wall of the matching part (11) is also arranged between the matching part (11) and the lock catch part (12);
A locking part (14) is arranged at the free end of the coil sensor (1), and the locking part (14) can be locked with the locking part (12);
A columnar first outer edge (111) is arranged at one end, far away from the locking part (12), of the matching part (11), and a columnar second outer edge (121) is arranged at one end, relatively close to the matching part (11), of the locking part (12);
The mounting cavity (2) is provided with a matching groove (21); a first clamping groove (211) for fixing the first outer edge (111) is formed in one end of the matching groove (21), and a second clamping groove (212) for accommodating the locking part (12) is formed in the other end of the matching groove; a first travel groove (213) capable of providing a travel space for the second outer edge (121) is formed between the first clamping groove (211) and the second clamping groove (212).
2. The coil sensor mating structure of claim 1, wherein: the mounting cavity (2) is provided with a through groove (22) which is convenient for the free end of the coil sensor (1) to penetrate through at the same side of the matching groove (21);
a driving motor (23) is arranged between the matching groove (21) and the through groove (22), and the output shaft of the driving motor (23) is matched with a cam (24);
A columnar accommodating groove (25) is arranged between the matching groove (21) and the through groove (22), and a second elastic element (251) is arranged in one end, close to the through groove (22), of the accommodating groove (25); a second travel groove (252) is formed in the side wall, close to the driving motor (23), of the accommodating groove (25), and a limiting block (26) which can be matched with the cam (24) is matched and connected in the second travel groove (252); one end of the limiting block (26) close to the second elastic element (251) is matched and connected with the limiting block; the locking part (14) is provided with a circle of annular groove (141) which can be matched and connected with the end part of the limiting block (26);
A notch (2121) is arranged at the position, which corresponds to the accommodating groove (25), of the second clamping groove (212);
When the second elastic element (251) is in an extended state, the cam (24) is in an initial position and the free end of the limiting block (26) can enter the annular groove (141) through the notch (2121); when the driving motor (23) drives the cam (24) to rotate, the cam (24) can drive the limiting block (26) to move in a direction away from the matching groove (21);
further comprises: and a control unit for driving the motor (23) to rotate, wherein the control unit is electrically connected with the driving motor (23).
3. The coil sensor mating structure of claim 2, wherein: the stopper (26) is L-shaped, and it includes: an actuating arm (261) which is matched with the cam (24) and a limiting arm (262) which is vertically fixedly connected with the actuating arm (261).
4. A coil sensor mating structure according to claim 3, wherein: an extension arm (263) is further arranged at the free end of the actuating arm (261), and a contact switch (27) which is arranged corresponding to the extension arm (263) is arranged right below the extension arm (263); the contact switch (27) is electrically connected to the control unit.
5. The utility model provides a current acquisition device which characterized in that: comprising the following steps: a device body and the coil sensor mating structure according to any one of claims 1 to 4 provided inside the device body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910458663.0A CN112014613B (en) | 2019-05-29 | 2019-05-29 | Coil sensor adapter structure and current acquisition device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910458663.0A CN112014613B (en) | 2019-05-29 | 2019-05-29 | Coil sensor adapter structure and current acquisition device |
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| CN112014613A CN112014613A (en) | 2020-12-01 |
| CN112014613B true CN112014613B (en) | 2024-05-31 |
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| CN106154016A (en) * | 2016-08-26 | 2016-11-23 | 杭州集普科技有限公司 | A kind of vehicle impact testing current sensor |
| CN210199182U (en) * | 2019-05-29 | 2020-03-27 | 河北爱尔工业互联网科技有限公司 | Coil sensor matching structure and current collecting device |
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