Current sensor test tool
By designing a current sensor test tooling with built-in test circuit, the problem of manual construction of test tooling in the prior art causes electronic circuit exposure and instability, achieving higher test result accuracy and tooling stability.
Patent Information
- Application Number
- CN202420950748.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-04-29
AI Technical Summary
The manual construction of current sensors in the prior art simple test tooling causes the electronic circuit to be exposed and easily damaged. The manual construction tooling is unstable and prone to failure, affecting the test results.
A current sensor testing tool is designed, including a storage platform, longitudinal beam, longitudinal motion mechanism, upper mold, lower mold, probe and test circuit. The test circuit is built into the inner side of the storage platform. The probe is electrically connected to the test circuit. The upper mold is driven down through the longitudinal motion mechanism, and the current sensor is pressed between the upper mold and the lower mold to ensure the stable connection of the probe.
By inserting the test circuit inside the storage platform, the electronic circuit exposure is avoided, the stability of the test tooling is improved, and the accuracy of the test results is ensured.
Smart Images

Figure CN223022367U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electronic devices, and particularly relates to a current sensor test tooling. Background Art
[0002] For electronic components of sensors, such as current sensors, after production, they need to be powered on to detect their performance in order to evaluate the performance of the products and test whether they meet the factory requirements. The existing test method is to manually build a test circuit on the components to be tested for detection. This test method exposes a lot of electronic circuits outside, which is easy to cause damage to the electronic circuits, and the tooling manually built during product testing is unstable and extremely prone to failure, affecting the test results. Summary of the Utility Model
[0003] Aiming at the technical problems in the prior art that the simple test tooling manually built for current sensors exposes a lot of electronic circuits outside, which is easy to cause damage to the electronic circuits, and the tooling manually built during product testing is unstable and extremely prone to failure, affecting the test results, the utility model provides a current sensor test tooling.
[0004] The technical solution of the utility model to solve the above technical problems is as follows:
[0005] A current sensor test tooling includes: a storage platform, a longitudinal beam, a longitudinal movement mechanism, an upper mold, a lower mold, a probe and a test circuit;
[0006] The storage platform is set as a hollow structure; the test circuit is built inside the storage platform;
[0007] The longitudinal beam is fixed at the upper end of the storage platform, and the longitudinal movement mechanism is installed on the longitudinal beam;
[0008] The upper mold is connected to the longitudinal movement mechanism, the lower mold is fixed at the upper end of the storage platform, and the upper mold and the lower mold are arranged opposite to each other up and down;
[0009] The probe is arranged on the upper mold, and the probe is electrically connected to the test circuit.
[0010] Further: a wire harness through hole penetrating inside and outside is opened on the side surface of the storage platform.
[0011] Further: a heat dissipation hole penetrating inside and outside is opened on the side surface of the storage platform.
[0012] Further: the longitudinal movement mechanism includes: a linear movement mechanism, a substrate and a guide rod;
[0013] The linear movement mechanism is installed on the longitudinal beam;
[0014] The substrate is fixedly connected to the movable end of the linear motion; the upper die is fixed to the lower end of the substrate;
[0015] The guide rod is arranged longitudinally and is fixed to the longitudinal beam; a guide hole is formed in the substrate, and the guide rod passes through the guide hole.
[0016] Furthermore, it further includes: a junction box; the junction box is installed at the upper end of the substrate; wiring terminals are arranged in the junction box for connecting the probe and the test circuit.
[0017] Furthermore, the linear motion mechanism is: a cylinder or an electric push rod.
[0018] The current sensor test tooling provided by the present utility model at least has the following beneficial effects or advantages:
[0019] The current sensor test tooling provided by the present utility model has a hollow structure for the storage platform; the test circuit is built inside the storage platform. The longitudinal beam is fixed to the upper end of the storage platform, and the longitudinal motion mechanism is installed on the longitudinal beam. The upper die is connected to the longitudinal motion mechanism, the lower die is fixed to the upper end of the storage platform, and the upper die and the lower die are arranged opposite to each other up and down. The probe is arranged on the upper die, and the probe is electrically connected to the test circuit. For this current sensor test tooling, the storage platform is set to have a hollow structure, and the test circuit can be built inside the storage platform, solving the technical problem in the prior art that many electronic circuits are exposed outside in a manually built simple test tooling, which is likely to cause damage to the electronic circuit. And during the working process, the longitudinal motion mechanism drives the upper die to move downward, pressing the current sensor to be tested between the upper die and the lower die, enabling the probe to be stably and reliably connected to the current sensor, ensuring the stability of the test tooling and improving the accuracy of the test result. Description of the Drawings
[0020] Figure 1 It is a schematic structural diagram of the current sensor test tooling provided by an embodiment of the present utility model;
[0021] Figure 2 It is another schematic structural diagram of the current sensor test tooling provided by an embodiment of the present utility model.
[0022] In the drawings, the list of components represented by each reference numeral is as follows:
[0023] 1 - storage platform, 2 - longitudinal beam, 3 - longitudinal motion mechanism, 31 - linear motion mechanism, 32 - substrate, 33 - guide rod, 4 - upper die, 5 - lower die, 6 - probe, 7 - junction box, 8 - wire harness passing hole, 9 - heat dissipation hole, 10 - current sensor. Detailed Embodiments
[0024] The utility model aims at the technical problems existing in the prior art that in a simple test tooling manually built for a current sensor, a lot of electronic circuits are exposed outside, which is likely to cause damage to the electronic circuits, and the tooling manually built during product testing is unstable and extremely prone to failure, affecting the test results, and provides a test tooling for a current sensor.
[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] As Figure 1 and Figure 2 shown in the figure, the embodiments of the present utility model provide a test tooling for a current sensor, including: a storage platform 1, a longitudinal beam 2, a longitudinal movement mechanism 3, an upper mold 4, a lower mold 5, a probe 6 and a test circuit. The storage platform 1 is arranged as a hollow structure; the test circuit is built inside the storage platform 1, and the test circuit can be fixed inside the storage platform 1 through a buckle. The longitudinal beam 2 is fixed at the upper end of the storage platform 1, and the longitudinal movement mechanism 3 is installed on the longitudinal beam 2. The upper mold 4 is connected to the longitudinal movement mechanism 3, and the longitudinal movement mechanism 3 is used to drive the lower mold 5 to move linearly in the vertical direction, and the upper mold 4 is used to press down the current sensor 10 to be tested. The lower mold 5 is fixed at the upper end of the storage platform 1, the upper mold 4 and the lower mold 5 are arranged opposite to each other up and down, and the lower mold 5 is used to fix the current sensor 10 to be tested. The probe 6 is arranged on the upper mold 4, and the probe 6 is electrically connected to the test circuit; during testing, the probe 6 is electrically connected to the current sensor 10 to be tested.
[0027] In a preferred embodiment, a wire harness through hole 8 penetrating inside and outside is opened on the side surface of the storage platform 1, which is convenient for the wire harness of the test circuit to pass through and prevents the wire harness from being arranged in a disorderly manner. A heat dissipation hole 9 penetrating inside and outside is opened on the side surface of the storage platform 1. In this embodiment, the heat dissipation hole 9 is opened as a circular small hole, and a plurality of heat dissipation holes 9 are arranged neatly. The heat dissipation hole 9 is used to dissipate the heat generated when the test circuit works.
[0028] In another preferred embodiment, the specific structure of the longitudinal movement mechanism 3 is described in detail: The longitudinal movement mechanism 3 includes a linear movement mechanism 31, a substrate 32, and a guide rod 33. The linear movement mechanism 31 is installed on the longitudinal beam 2, and the linear movement mechanism can be a cylinder or an electric push rod. The substrate 32 is fixedly connected to the movable end of the linear movement. The movable end of the linear movement mechanism 31 drives the substrate 32 to move longitudinally synchronously. The upper die 4 is fixed to the lower end of the substrate 32, and the upper die 4 follows the substrate 32 to move longitudinally synchronously. The guide rod 33 is arranged longitudinally and is fixed to the longitudinal beam 2. In this embodiment, two smooth cylindrical guide rods 33 are used; a guide hole is provided on the substrate 32, and the guide rod 33 passes through the guide hole; the guide rod 33 is used to ensure that the substrate 32 does not shift laterally during the up and down movement.
[0029] To prevent the wiring terminals of the probe 6 from being exposed and causing electric leakage accidents, a preferred embodiment of the present utility model further provides a junction box 7. The junction box 7 is installed on the upper end of the substrate 32; wiring terminals are provided in the junction box 7 for connecting the probe 6 to the test circuit.
[0030] Such as Figure 1 and Figure 2 , the working process of the current sensor test tooling provided by the embodiment of the present utility model is as follows: When in use, the current sensor 10 to be tested is fixed on the lower die 5, and the weak-current wiring terminal of the current sensor 10 is electrically connected to an external control device. Control the longitudinal movement mechanism 3 to move downward so that the probe 6 is connected to the large-current wiring terminal of the current sensor 10, connect the probe 6 to the large current and pass it into the current sensor 10. Control the external control device to read the current parameters.
[0031] The current sensor test tooling provided by the embodiment of the present utility model at least has the following beneficial effects or advantages:
[0032] For the current sensor test tooling provided by the embodiment of the present utility model, the storage platform is set as a hollow structure; the test circuit is built inside the storage platform. The longitudinal beam is fixed to the upper end of the storage platform, and the longitudinal movement mechanism is installed on the longitudinal beam. The upper die is connected to the longitudinal movement mechanism, the lower die is fixed to the upper end of the storage platform, and the upper die and the lower die are arranged opposite to each other up and down. The probe is arranged on the upper die, and the probe is electrically connected to the test circuit. For this current sensor test tooling, the storage platform is set as a hollow structure, and the test circuit can be built inside the storage platform, solving the technical problem in the prior art that many electronic circuits are exposed outside in the manually built simple test tooling, which is likely to cause damage to the electronic circuits. And during the working process, the longitudinal movement mechanism drives the upper die to move downward, pressing the current sensor to be tested between the upper die and the lower die, so that the probe is stably and reliably connected to the current sensor, ensuring the stability of the test tooling and improving the accuracy of the test results.
[0033] In the description of the present utility model, it should be noted that the term nouns in each embodiment, such as "upper", "lower", "front", "rear", "left", "right", etc., which indicate directions, are only used to simplify the description of the positional relationship based on the drawings in the specification, and do not represent that the elements and devices referred to must operate according to the specific directions, limited operations, methods, and structures described in the specification. Such directional nouns do not constitute a limitation to the present utility model.
[0034] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it may be a fixed connection or a detachable connection; it may 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 circumstances.
[0035] 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 substitutions, 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 testing tool, characterized in that: include: Storage platform, longitudinal beam, longitudinal motion mechanism, upper die, lower die, probe, test circuit and junction box; The storage platform is configured as a hollow structure; the test circuit is built inside the storage platform; The longitudinal beam is fixed at the upper end of the storage platform, and the longitudinal motion mechanism is installed on the longitudinal beam; the longitudinal motion mechanism includes: a linear motion mechanism, a base plate and a guide rod; The linear motion mechanism is installed on the longitudinal beam; the base plate is fixedly connected to the movable end of the linear motion; the upper mold is fixed to the lower end of the base plate; the guide rod is longitudinally arranged, and the guide rod is fixed on the longitudinal beam; a guide hole is opened on the base plate, and the guide rod passes through the guide hole; The upper mold is connected to the longitudinal motion mechanism, the lower mold is fixed to the upper end of the storage platform, and the upper mold and the lower mold are arranged opposite to each other in the upper and lower directions; The probe is arranged on the upper mold, and the probe is electrically connected to the test circuit; The junction box is installed at the upper end of the substrate; the junction box is provided with a connection terminal for connecting the probe and the test circuit.
2. The current sensor testing tool according to claim 1, characterized in that: A harness passing hole penetrating inside and outside is provided on the side of the storage platform.
3. The current sensor testing tool according to claim 1, characterized in that: The side surface of the storage platform is provided with heat dissipation holes penetrating inside and outside.
4. The current sensor testing tool according to claim 1, characterized in that: The linear motion mechanism is: a cylinder or an electric push rod.