Current sensor convenient to connect

Abstract

The utility model relates to a current sensor convenient to connect. The current sensor comprises a sensor, a connector and a wire harness, the sensor is detachably connected with the wire harness through the connector. The sensor is provided with a first fixing sheet and a second fixing sheet; the connector is provided with a first assembling groove and a second assembling groove, the first assembling groove is used for being connected with the first fixing piece, and the second assembling groove is used for being connected with the second fixing piece. According to the current sensor convenient to connect, the detachable connector is arranged, the sensor and the wire harness can be welded or the sensor and the wire harness can be connected in an inserted mode through the connector according to actual needs, high use flexibility is achieved, and shells of different connection modes do not need to be designed to adapt to different connection requirements of the market. The first assembling groove is connected with the first fixing piece, and the second assembling groove is connected with the second fixing piece, so that the connector can be reliably connected with the sensor, the reliability of connection between the sensor and a wire harness is ensured, and stable transmission of signals is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of current sensors, and particularly relates to a current sensor convenient for connection. Background Art

[0002] The SA01 residual current sensor adopts the fluxgate principle, can realize the residual current detection function, and has the advantages of high precision and small volume. Four conducting wires are arranged side by side at the wiring terminal of the SA01 residual current sensor. The RCPD-S01 residual current sensor is powered by a single power supply of 5V, integrates the action output functions of direct current 6mA and alternating current 30mA, and outputs the Sout signal. The residual current detection function can meet the requirements of IEC62752, IEC62955, and UL2231 standards. It can be applied to electric vehicle IC-CPD, WallBox, charging pile leakage current monitoring, photovoltaic inverters, and UPS, etc.

[0003] For the existing SA01 product structure, the connection methods with external wire harnesses are divided into two types: pin welding connection and connection with a connector. However, the structure of the product body remains unchanged, and the same product needs to design shells with different connection methods to meet different connection requirements in the market, which increases the design cost and product processing cost. Summary of the Utility Model

[0004] Aiming at the technical problem that the same SA01 product in the prior art needs to design shells with different connection methods to meet different connection requirements in the market, which increases the design cost and product processing cost, the utility model provides a current sensor convenient for connection.

[0005] The technical solution for the utility model to solve the above technical problems is as follows:

[0006] A current sensor convenient for connection, comprising: a sensor, a connector, and a wire harness; the sensor is detachably connected to the wire harness through the connector;

[0007] The connector is set to a shape matching the sensor;

[0008] The sensor is provided with a first fixing piece and a second fixing piece;

[0009] The connector is provided with a first assembly groove and a second assembly groove, the first assembly groove is used for connecting with the first fixing piece, and the second assembly groove is used for connecting with the second fixing piece.

[0010] Further: the first end face of the connector is used for connecting with the sensor, and the second end face of the connector is used for connecting with the wire harness;

[0011] The connector is provided with a first connection hole, a second connection hole, a third connection hole and a fourth connection hole that penetrate through the first end face and the second end face; the first connection hole, the second connection hole, the third connection hole and the fourth connection hole are arranged side by side in a horizontal row;

[0012] The wiring end of the sensor is provided with four conductive posts, namely a first conductive post, a second conductive post, a third conductive post and a fourth conductive post; the first conductive post, the second conductive post, the third conductive post and the fourth conductive post are arranged side by side in a horizontal row; the first conductive post, the second conductive post, the third conductive post and the fourth conductive post respectively pass through the first end face of the connector and are inserted into the first connection hole, the second connection hole, the third connection hole and the fourth connection hole in a one-to-one correspondence;

[0013] A fastener is respectively arranged in the first connection hole, the second connection hole, the third connection hole and the fourth connection hole on one side of the first end face, and the fastener is used to clamp the corresponding single wire in the wire harness.

[0014] Furthermore: limiting grooves are respectively arranged at the upper ends of the first connection hole, the second connection hole, the third connection hole and the fourth connection hole, and the limiting grooves are used to cooperate with the anti-disconnection parts on the wiring terminals of the single wires in the wire harness.

[0015] Furthermore: the positional relationship between the conductive post and the corresponding single wire in the wire harness is a stacked relationship up and down.

[0016] Furthermore: a clamping groove is arranged on the connector; a clamping part is arranged on the outer shell of the sensor; the clamping groove and the clamping part are fixed by buckling.

[0017] The current sensor convenient for connection provided by the present utility model at least has the following beneficial effects or advantages:

[0018] The current sensor convenient for connection provided by the present utility model, the sensor is connected to the wire harness through a connector. The connector is set to a shape matching the sensor; the sensor is provided with a first fixing piece and a second fixing piece. The connector is provided with a first assembly groove and a second assembly groove, the first assembly groove is used to connect with the first fixing piece, and the second assembly groove is used to connect with the second fixing piece. This current sensor convenient for connection is provided with a detachable connector, and it can be selected according to actual needs to weld the sensor and the wire harness or the sensor is inserted into the wire harness through the connector, which has high flexibility in use and does not require designing the outer shells of different connection methods to adapt to different connection requirements in the market. The set first assembly groove is connected with the first fixing piece, and the second assembly groove is connected with the second fixing piece, which can realize the reliable connection of the connector with the sensor to ensure the reliability of the connection between the sensor and the wire harness and realize the stable transmission of signals. Description of the Drawings

[0019] Figure 1 Schematic diagram of the current sensor structure facilitating connection provided by the embodiment of the present utility model;

[0020] Figure 2 Schematic diagram of the sensor structure provided by the embodiment of the present utility model;

[0021] Figure 3 Schematic diagram of the connector structure provided by the embodiment of the present utility model.

[0022] In the drawings, the list of components represented by each reference numeral is as follows:

[0023] 1 - Sensor, 2 - Connector, 3 - Wiring harness, 11 - First conductive post, 12 - Second conductive post, 13 - Third conductive post, 14 - Fourth conductive post, 15 - First fixing piece, 16 - Second fixing piece, 17 - Clamping portion, 21 - First connection hole, 22 - Second connection hole, 23 - Third connection hole, 24 - Fourth connection hole, 25 - Fastener, 26 - Limiting groove, 27 - Card slot. Specific embodiments

[0024] In view of the technical problem in the prior art that different connection - type housings need to be designed for the same SA01 product to meet different connection requirements in the market, which increases the design cost and product processing cost, the present utility model provides a current sensor facilitating connection.

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0026] A current sensor facilitating connection provided by the embodiment of the present utility model, as Figures 1 - 3 , includes: a sensor 1, a connector 2, and a wiring harness 3. The sensor 1 is detachably connected to the wiring harness 3 through the connector 2. The connector 2 is set to a shape matching the sensor 1. The sensor 1 is provided with a first fixing piece 15 and a second fixing piece 16. The first fixing piece 15 and the second fixing piece 16 are arranged on both sides of the sensor 1, and the first fixing piece 15 and the second fixing piece 16 are symmetrically arranged. The connector 2 is provided with a first assembly groove and a second assembly groove. The first assembly groove is used for connecting with the first fixing piece 15, and the second assembly groove is used for connecting with the second fixing piece 16.

[0027] The first end face of the connector 2 is used to connect with the sensor 1, and the second end face of the connector 2 is used to connect with the wire harness 3. The connector 2 is provided with a first connection hole 21, a second connection hole 22, a third connection hole 23 and a fourth connection hole 24 that penetrate through the first end face and the second end face; the first connection hole 21, the second connection hole 22, the third connection hole 23 and the fourth connection hole 24 are arranged side by side in a horizontal row.

[0028] The wiring terminal of the sensor 1 is provided with four conductive posts, namely a first conductive post 11, a second conductive post 12, a third conductive post 13 and a fourth conductive post 14. The first conductive post 11, the second conductive post 12, the third conductive post 13 and the fourth conductive post 14 are arranged side by side in a horizontal row. The first conductive post 11, the second conductive post, the third conductive post 13 and the fourth conductive post 14 respectively pass through the first end face of the connector 2 and are inserted into the first connection hole 21, the second connection hole 22, the third connection hole 23 and the fourth connection hole 24 in a one-to-one correspondence.

[0029] Such as Figure 2 and Figure 3 , a fastener 25 is respectively arranged in the first connection hole 21, the second connection hole 22, the third connection hole 23 and the fourth connection hole 24 on one side of the first end face of the connector 2. The fastener 25 can be formed by bending a metal sheet. The fastener 25 is used to clamp the corresponding single wire in the wire harness 3 to prevent the single wire in the wire harness 3 from falling out of the corresponding connection hole.

[0030] In a preferred embodiment provided by the present utility model, such as Figure 2 and Figure 3 , a limiting groove 26 is respectively arranged at the upper ends of the first connection hole 21, the second connection hole 22, the third connection hole 23 and the fourth connection hole 24. The limiting groove 26 is used to cooperate with the anti-detachment part on the wiring terminal of the single wire in the wire harness 3, and the limiting groove 26 is used to prevent the wiring terminal of the single wire in the wire harness 3 from falling off.

[0031] In a preferred embodiment provided by the present utility model, the positional relationship between the conductive post and the corresponding single wire in the wire harness 3 can also be set as an upper and lower stacked relationship. The design of this connection method can increase the contact area between the conductive post and the corresponding single wire in the wire harness 3, thereby improving the connection reliability between the conductive post and the corresponding single wire in the wire harness 3 and reducing the occurrence of poor electrical contact.

[0032] Such as Figures 1 - 3 , to further increase the connection reliability between the connector 2 and the sensor 1, a preferred solution provided by the present utility model can also be provided with a card slot 27 on the connector 2; a clamping part 17 is arranged on the outer shell of the sensor 1; the card slot 27 and the clamping part 17 are fixed by buckling.

[0033] The current sensor provided by the embodiment of the present utility model that is convenient for connection has at least the following beneficial effects or advantages:

[0034] For the current sensor provided by the embodiment of the present utility model that is convenient for connection, the sensor is connected to the wire harness through a connector. The connector is set to a shape matching the sensor; the sensor is provided with a first fixing piece and a second fixing piece. The connector is provided with a first assembly groove and a second assembly groove. The first assembly groove is used for connecting with the first fixing piece, and the second assembly groove is used for connecting with the second fixing piece. For this current sensor that is convenient for connection, a detachable connector is provided, and it can be selected according to actual needs to weld the sensor to the wire harness or plug the sensor into the wire harness through the connector, which has high flexibility in use and does not require designing shells with different connection methods to adapt to different connection requirements in the market. The first assembly groove is connected to the first fixing piece, and the second assembly groove is connected to the second fixing piece, which can realize reliably connecting the connector to the sensor to ensure the reliability of the connection between the sensor and the wire harness and realize stable signal transmission.

[0035] In the description of the present utility model, it should be noted that for the term nouns such as "upper", "lower", "front", "rear", "left", "right", etc. indicating directions in each embodiment, they are only used to simplify the description of the positional relationship based on the drawings in the specification, and do not represent that the indicated elements and devices, etc. must operate according to the specific directions and limited operations, methods, and structures described in the specification. Such direction nouns do not constitute a limitation to the present utility model.

[0036] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood in combination with specific situations.

[0037] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A current sensor that is convenient for connection, characterized in that: Including: A sensor, a connector and a wire harness; The sensor is detachably connected to the wire harness through the connector; The connector is set in a shape matching the sensor; The sensor is provided with a first fixing piece and a second fixing piece; The connector is provided with a first assembly groove and a second assembly groove. The first assembly groove is used for connecting with the first fixing piece, and the second assembly groove is used for connecting with the second fixing piece.

2. The current sensor facilitating connection according to claim 1, wherein: The first end face of the connector is used for connecting with the sensor, and the second end face of the connector is used for connecting with the wire harness; The connector is provided with a first connection hole, a second connection hole, a third connection hole and a fourth connection hole penetrating through the first end face and the second end face; the first connection hole, the second connection hole, the third connection hole and the fourth connection hole are arranged side by side in a horizontal row; The wiring end of the sensor is provided with four conductive posts, namely a first conductive post, a second conductive post, a third conductive post and a fourth conductive post; the first conductive post, the second conductive post, the third conductive post and the fourth conductive post are arranged side by side in a horizontal row; the first conductive post, the second conductive post, the third conductive post and the fourth conductive post respectively pass through the first end face of the connector and are inserted into the first connection hole, the second connection hole, the third connection hole and the fourth connection hole in a one-to-one correspondence; A fastener is respectively arranged in the first connection hole, the second connection hole, the third connection hole and the fourth connection hole on one side of the first end face, and the fastener is used for clamping the corresponding single wire in the wire harness.

3. The current sensor facilitating connection according to claim 2, wherein: Limit grooves are respectively arranged at the upper ends of the first connection hole, the second connection hole, the third connection hole and the fourth connection hole, and the limit grooves are used for cooperating with the anti-disengagement parts on the wiring terminals of the single wires in the wire harness.

4. The current sensor facilitating connection according to claim 2, wherein: The positional relationship between the conductive post and the corresponding single wire in the wire harness is an upper and lower stacked relationship.

5. The current sensor facilitating connection according to claim 1, wherein: The connector is provided with a card slot; the housing of the sensor is provided with a clamping part; the card slot and the clamping part are fixed by buckling.

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