Closed-loop current sensor mounting structure

Abstract

The utility model discloses a closed-loop current sensor installation structure, which effectively facilitates the installation of a sensor circuit board, and comprises a shell and a cover plate, the left and right sides of the upper side of the shell are symmetrically provided with circuit board buckles, the lower side of the cover plate is fixedly connected with a connecting plate, the lower side of the connecting plate is fixedly connected with a plurality of fixing plates, and the fixing plates are fixedly connected with the shell. The outer side of each fixing plate is fixedly connected with a first clamping block, a first clamping groove is formed in the position, corresponding to each first clamping block, of the side wall of the shell, and a chamfer used for orientation is formed in the side wall of the shell. The flatness of the circuit board after installation is ensured, the service life of the circuit board is prolonged, the pins of the circuit board can be protected, the cover plate and the shell can be installed conveniently, and the shell and a user side can be installed and positioned more accurately.

Description

TECHNICAL FIELD

[0001] The utility model belongs to current sensor technical field relates to a closed loop current sensor mounting structure. BACKGROUND

[0002] At present, the closed loop current sensor generally protects the precision components by a shell and a cover plate, but in the process of assembling, the bolt is generally used for fixing, and the whole device generally adopts the mode of directly welding the pin of the sensor on the PCB of the user end, which has great defects:

[0003] 1. The pin is welded on the PCB of the user end, the signal end pin is 0.64mm square foot, and the shock resistance is general;

[0004] 2. The sensor circuit board is fixed in the shell by the bolt mode, the bolt falls off in the process of assembling, the bolt is easily left in the product, and the quality problem of the electric screwdriver damaging the components occurs;

[0005] 3. The screw fixing assembly process is low in efficiency;

[0006] Based on the above-mentioned defects, a closed loop current sensor mounting structure is needed to facilitate the staff to assemble and install the sensor. INVENTION CONTENTS

[0007] In view of the above problems, the utility model provides a closed loop current sensor mounting structure, which solves the problems in the prior art.

[0008] In order to realize the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0009] A closed loop current sensor mounting structure, comprising a shell and a cover plate, the shell upper side is symmetrically provided with circuit board buckles, the lower side of the cover plate is fixedly connected with a connecting plate, the lower side of the connecting plate is fixedly connected with a plurality of fixed plates, the outer side of each fixed plate is fixedly connected with a first clamping block, the side wall of the shell is provided with a first clamping groove corresponding to the position of each first clamping block, and the first clamping block and the first clamping groove are matched to form the structure that the cover plate is fixed relative to the shell.

[0010] Preferably, the inside of the shell is fixedly connected with a plurality of mounting platforms, and each mounting platform is fixedly connected with the side wall of the shell.

[0011] Preferably, the inside of the shell is fixedly connected with a plurality of pin positioning blocks, and the middle part of each pin positioning block is provided with a pin positioning hole.

[0012] Preferably, the lower side of the shell is fixedly connected with a positioning column, and the lower side of the shell is fixedly connected with a plurality of bottom bosses.

[0013] Preferably, the middle part of the bottom surface of the shell and the middle part of the cover plate are both provided with a circular opening, the bottom of the shell is fixedly connected with a positioning sleeve at the position corresponding to the circular opening, and the two sides of the positioning sleeve are fixedly connected with two positioning buckles.

[0014] Preferably, the front side of the shell is provided with a positioning mark at the position corresponding to the first clamping groove.

[0015] Preferably, the lower side of the shell is provided with a positioning recess at the front and rear sides corresponding to the positioning sleeve.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. The utility model has a plurality of first clamping grooves and a plurality of first clamping blocks, can install the cover plate and the shell through the clamping of multiple points, and can install them more tightly.

[0018] 2. The utility model installs the cover plate and the shell through the clamping, changes the bolt fixing mode of the past, reduces the assembly time, and improves the assembly efficiency.

[0019] 3. The utility model has a positioning sleeve and a positioning buckle, can conveniently position and install the shell and the user end, and conveniently positions and installs the assembled device. DRAWINGS

[0020] Figure 1 It is the whole structure schematic view of the utility model.

[0021] Figure 2 It is the explosion structure schematic view of the utility model.

[0022] Figure 3 It is the position schematic view of the directional chamfer in the utility model.

[0023] In the drawing: 1, shell;2, cover plate;3, circuit board buckle;4, connecting plate;5, fixed plate;6, first clamping block;7, first clamping groove;8, directional chamfer;9, installation platform;10, pin positioning block;11, pin positioning hole;12, positioning column;13, bottom boss;14, circular opening;15, positioning sleeve;16, positioning buckle;17, positioning mark;18, positioning recess. PREFERRED EMBODIMENT

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] The following is in conjunction with the appendix Figures 1-3 The specific embodiments of this utility model will be described in further detail.

[0026] Depend on Figures 1-3 As shown, this utility model includes a housing 1 and a cover plate 2. To facilitate the installation of the sensor circuit board and to facilitate the determination of the installation orientation of the circuit board, a circuit board buckle 3 is symmetrically provided on the left and right sides of the upper side of the housing 1. A connecting plate 4 is fixedly connected to the lower side of the cover plate 2. The connecting plate 4 is used for the mutual cooperation between the housing 1 and the cover plate 2. The connecting plate 4 is interference-fitted with the inner side wall of the housing 1. Multiple fixing plates 5 are fixedly connected to the lower side of the connecting plate 4. A first locking block 6 is fixedly connected to the outer side of each fixing plate 5. A first locking groove 7 is provided on the side wall of the housing 1 corresponding to the position of each first locking block 6. The first locking block 6 and the first locking groove 7 cooperate with each other to form a structure in which the cover plate 2 is fixed relative to the housing 1. An orientation chamfer 8 is provided on the side wall of the housing 1 for orienting the circuit board.

[0027] It should be noted that the circuit board is a printed circuit board assembly (PCBA) used to connect the current sensor and related components. It is existing technology. This design has not made any modifications or improvements to the circuit and components, and will not be described in detail here.

[0028] In use, the circuit board can be directly installed and fitted to the housing 1. When installing the circuit board, the direction and orientation of the circuit board can be determined by the chamfer 8 corresponding to the markings on the circuit board. Then, the circuit board and the housing 1 can be fitted together by the circuit board clip 3. After the cover plate 2 is installed on the upper side of the housing 1, each first clip 6 and the corresponding first clip 7 cooperate with each other, thus completing the fixation between the cover plate 2 and the housing 1 and further fixing the circuit board.

[0029] Furthermore, by Figures 1-3 As shown, in order to maintain the flatness of the circuit board after installation, multiple mounting platforms 9 are fixedly connected inside the housing 1, and each mounting platform 9 is fixedly connected to the side wall of the housing 1.

[0030] When in use, the circuit board can be supported at multiple points through the mounting platform 9.

[0031] Furthermore, by Figures 1-3As shown, in order to be able to protect the circuit board pin, the inside of the shell 1 is fixedly connected with a plurality of pin positioning blocks 10, and a pin positioning hole 11 is formed in the middle of each pin positioning block 10.

[0032] In use, the pin positioning block 10 can protect the circuit board pin, increase the service life of the circuit board, and the circuit board pin extends to the bottom of the shell 1 after passing through the pin positioning hole 11, used for connecting with other components.

[0033] Further, by Figures 1-3 As shown, in order to facilitate accurate installation and positioning of the shell 1, a positioning column 12 is fixedly connected to the lower side of the shell 1, and a plurality of bottom bosses 13 are fixedly connected to the lower side of the shell 1.

[0034] In use, the bottom boss 13 can support the lower side of the shell 1, and the positioning column 12 can position and install the shell 1 in the appropriate position.

[0035] Further, by Figures 1-3 As shown, in order to make the shell 1 more stable after positioning and installation, a circular opening 14 is formed in the middle of the bottom surface of the shell 1 and the middle of the cover plate 2, and a positioning sleeve 15 is fixedly connected to the bottom of the shell 1 corresponding to the position of the circular opening 14, and two positioning buckles 16 are fixedly connected to the two sides of the positioning sleeve 15.

[0036] In use, after the shell 1 is installed at the user end, the shell 1 can be fixed by the positioning sleeve 15 and the positioning buckles 16 on the positioning sleeve 15.

[0037] Further, by Figures 1-3 As shown, in order to facilitate installation of the cover plate 2 and the shell 1, a positioning mark 17 is provided on the front side of the shell 1 corresponding to the position of the first clamping groove 7.

[0038] In use, the positioning mark 17 can accurately identify the position of the first clamping groove 7, so as to install the cover plate 2 and the shell 1.

[0039] Further, by Figures 1-3 As shown, in order to make the shell 1 and the user end more accurate when installing and positioning, a positioning groove 18 is formed on the lower side of the shell 1 corresponding to the front and rear sides of the positioning sleeve 15.

[0040] In use, the positioning groove 18 is used for positioning and connecting the shell 1 with the user end.

[0041] The utility model discloses novel structure, clever idea, simple and convenient operation, through this design effectively facilitated to the sensor circuit board installation, and in order to facilitate the installation orientation of circuit board, guarantee the flatness after circuit board installation, increase the service life of circuit board, can protect circuit board pin, facilitated to the accurate installation positioning of shell 1, convenient to the installation of cover plate 2 and shell 1, can make shell 1 and user end installation positioning more accurate.

[0042] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A closed loop current sensor mounting structure comprising a housing and a cover plate, characterized by: The left and right sides of the upper side of the shell are symmetrically provided with circuit board buckles, the lower side of the cover plate is fixedly connected with a connecting plate, the lower side of the connecting plate is fixedly connected with a plurality of fixed plates, the outer side of each fixed plate is fixedly connected with a first clamping block, the side wall of the shell is provided with a first clamping groove corresponding to the position of each first clamping block, and the first clamping block and the first clamping groove are matched to form a structure for fixing the cover plate relative to the shell.

2. A closed loop current sensor mounting structure according to claim 1, characterized in that: The inside of the shell is fixedly connected with a plurality of mounting platforms, and each mounting platform is fixedly connected with the side wall of the shell.

3. A closed loop current sensor mounting structure according to claim 1, characterized by: The inside of the shell is fixedly connected with a plurality of pin positioning blocks, and the middle part of each pin positioning block is provided with a pin positioning hole.

4. The closed loop current sensor mounting structure of claim 1, wherein: The lower side of the shell is fixedly connected with a positioning column, and the lower side of the shell is fixedly connected with a plurality of bottom bosses.

5. The closed loop current sensor mounting structure of claim 1, wherein: The middle part of the bottom surface of the shell and the middle part of the cover plate are provided with a circular opening, the bottom of the shell is fixedly connected with a positioning sleeve corresponding to the position of the circular opening, and the two sides of the positioning sleeve are fixedly connected with two positioning buckles.

6. A closed loop current sensor mounting structure according to claim 1, characterized by: The front side of the shell is provided with a positioning mark corresponding to the position of the first clamping groove.

7. A closed loop current sensor mounting structure according to claim 5, wherein: The lower side of the shell is provided with a positioning groove corresponding to the front and rear sides of the positioning sleeve.

Images