Automatic test jig for refrigerator controller

By introducing wiring components and anti-disengagement mechanism into the automatic testing tool of the refrigerator controller, the problem of confusing connecting wires is solved, the testing efficiency and accuracy are improved, and the stability of signal transmission is ensured.

CN223192995UActive Publication Date: 2025-08-05XIAMEN KAIXINBO ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202422333290.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-24
Publication Date
2025-08-05
Estimated Expiration
2034-09-24

AI Technical Summary

Technical Problem

The existing refrigerator controller automatically tests the connection wires in the smelting tool, which makes it difficult to locate faults and is difficult to quickly identify and solve problems.

Method used

A wiring assembly and anti-disengagement mechanism are designed to arrange the connecting wires neatly through the wiring board and wiring duct, and a flexible cover is tightly limited to prevent the cable from loosening or falling off.

Benefits of technology

The neat arrangement of the connecting lines is realized, which reduces confusion among operators, improves testing efficiency and accuracy, reduces signal crosstalk, and ensures the stability of signal transmission.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of test jigs, in particular to an automatic test jig for a refrigerator controller. The testing device comprises a testing seat, a wire arranging assembly and an anti-falling mechanism, the testing seat is provided with a carrying table and a vertical frame located on one side of the carrying table, the side face of the vertical frame is provided with a fixing plate, the bottom of the fixing plate is provided with a testing probe directly facing the carrying table, and the side face of the fixing plate is provided with the wire arranging assembly which is used for arranging testing wires on the testing seat. The wire arrangement assembly is provided with an anti-falling mechanism which is used for preventing the test connection wire from being separated from the wire arrangement assembly in the wire arrangement process. According to the testing jig disclosed by the utility model, through the arrangement of the wire arrangement assembly, the arrangement of the wire arrangement plate and the wiring groove, connecting wires close to the same position can pass through the wiring groove, so that the connecting wires are arranged in order, and through the arrangement of the anti-falling mechanism, connecting cables can be tightly limited in the wiring groove through the cover plate which is elastically arranged, so that the connecting wires are prevented from falling off. And the cable is prevented from loosening or falling off.
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Description

Technical Field

[0001] The utility model relates to the technical field of testing jigs, in particular to an automatic testing jig for a refrigerator controller. Background Art

[0002] An automatic test fixture is a device or tool used to automate the testing process. The refrigerator controller automatic test fixture is a specialized piece of automated testing equipment used to test the performance and functionality of refrigerator controllers. It automatically completes various refrigerator controller tests without human intervention, ensuring the controller's quality and reliability.

[0003] The test jig in the existing technology usually includes a test fixture, test probes, connectors, control systems, drive devices, and display and recording systems. The refrigerator controller chip is connected to the jig through the connecting wires on the jig. Through the preset test program and algorithm, the test task is automatically executed to verify whether the various functions of the refrigerator controller are normal, including refrigeration, defrosting, energy-saving mode, etc., to ensure that the controller can work according to the design requirements.

[0004] However, when the test fixture mentioned above is connected to the controller chip through connecting cables, since it contains multiple test points, the connecting cables are distributed in a rather messy manner. The messy cables make fault location difficult, and it is difficult to quickly identify and solve problems when they occur. Utility Model Content

[0005] To address the problems in the prior art, a refrigerator controller automatic test jig is proposed. By providing a cable routing assembly, utilizing a cable routing plate and wiring troughs, connecting cables located close together can be threaded through the troughs, aligning the cables neatly. Furthermore, a retaining mechanism and an elastic cover can be used to securely hold the cables in place within the troughs, preventing them from loosening or falling out.

[0006] The utility model provides an automatic testing tool for refrigerator controller, comprising

[0007] The test seat is provided with a carrier and a stand located on one side of the carrier, a fixing plate is provided on the side of the stand, and a test probe facing the carrier is provided at the bottom of the fixing plate;

[0008] A cable arrangement assembly is provided on the side of the fixing plate and is used to arrange the test wires on the test socket; and

[0009] The anti-slip mechanism is provided on the cable arrangement assembly and is used to prevent the test wiring from being detached from the cable arrangement assembly during the cable arrangement process.

[0010] Preferably, the cable arrangement assembly includes a cable arrangement board, two groups of first mounting plates are symmetrically arranged on the side of the stand, a first rotating shaft is rotatably arranged between the two groups of first mounting plates, one end of the cable arrangement board is mounted on the first rotating shaft, and multiple groups of wiring grooves are linearly and equidistantly provided on the cable arrangement board.

[0011] Preferably, the anti-slip mechanism includes a cover plate and a flip driving component. The wiring board is provided with a pair of second mounting plates located on one side of the wiring groove. A second rotating shaft is rotatably arranged between the two groups of second mounting plates. A flip driving component is provided at one end of the second rotating shaft. The cover plate is connected to the second rotating shaft and is used to seal the notch of the wiring groove.

[0012] Preferably, the flip driving member includes a movable plate, an elastic guide member, a gear and a tooth plate. The movable plate is movably arranged on one side of the wiring board through the elastic guide member, and multiple groups of tooth plates are linearly and equidistantly arranged on it. One end of the rotating shaft is connected to a gear that is meshed with the corresponding tooth plate.

[0013] Preferably, the elastic guide member includes a guide frame and a support spring. There are two groups of guide frames, which are respectively installed at the two ends of the bottom side of the movable plate. The movable plate is slidably set on the two groups of guide frames, and the bottom of the movable plate is abutted against the support spring mounted on the guide frame.

[0014] Preferably, the guide frame is configured as a frame structure, one corner of which is provided with a notch, and both ends of the notch are respectively connected to the side and bottom of the wiring board.

[0015] Preferably, through holes for the guide frame to pass through are provided on both sides of the top of the movable plate, and a handle is provided on the outer side of the movable plate.

[0016] Preferably, the cross-sections of the plurality of wiring grooves are all arranged to be arc-shaped, and protective pads are provided on the inner walls thereof.

[0017] Through the above technical solution, that is, the test fixture disclosed in the present invention is provided with a cable arrangement assembly, and the arrangement of the cable arrangement board and the wiring trough is utilized, so that the connecting wires close to the same position can be passed through the wiring trough, so that the connecting wires are arranged neatly. The clear cable layout reduces the confusion of the operator, improves the test efficiency, and at the same time reduces the signal crosstalk and improves the test accuracy. In addition, an anti-slip mechanism is provided, and the elastic cover can be used to tightly limit the connecting cables in the wiring trough to prevent the cables from loosening or falling off, thereby reducing the possibility of poor contact and ensuring stable signal transmission.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of an automatic test jig for refrigerator controllers of the utility model;

[0020] Figure 2 for Figure 1 Schematic diagram of the cable tray in the open state;

[0021] Figure 3 for Figure 1 Schematic diagram of the local enlarged structure.

[0022] Figure numerals: 1. test seat; 2. carrier; 3. stand; 4. fixing plate; 5. test probe; 6. wiring board; 7. first mounting plate; 8. first rotating shaft; 9. wiring groove; 10. second mounting plate; 11. second rotating shaft; 12. cover plate; 13. movable plate; 14. handle; 15. gear; 16. tooth plate; 17. guide frame; 18. support spring. DETAILED DESCRIPTION

[0023] The following describes the specific embodiments of the present disclosure in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present disclosure and are not intended to limit the present disclosure.

[0024] Example 1

[0025] like Figure 1-Figure 3 As shown, the utility model proposes an automatic test jig for refrigerator controllers, comprising a test socket 1, a wiring assembly and an anti-slip mechanism. The test socket 1 is provided with a carrier 2 and a stand 3 located on one side of the carrier 2, a fixing plate 4 is provided on the side of the stand 3, a test probe 5 facing the carrier 2 is provided at the bottom of the fixing plate 4, a wiring assembly is provided on the side of the fixing plate 4, which is used to arrange the test wiring on the test socket 1, and an anti-slip mechanism is provided on the wiring assembly, which is used to prevent the test wiring from being detached from the wiring assembly during the wiring process.

[0026] like Figure 3 As shown, the cable assembly includes a cable plate 6, two sets of first mounting plates 7 are symmetrically arranged on the side of the stand 3, a first rotating shaft 8 is rotatably arranged between the two sets of first mounting plates 7, one end of the cable plate 6 is mounted on the first rotating shaft 8, and a plurality of wiring grooves 9 are linearly and equidistantly provided on the cable plate 6;

[0027] The first rotating shaft 8 is a rotating shaft with damping. The cable tray 6 is rotated and arranged on one side of the stand 3 through the first rotating shaft 8. When not in use, it can be rotated to fit with the stand 3.

[0028] like Figure 3 As shown, the cross-sections of the plurality of wiring grooves 9 are all arranged to be arc-shaped, and protective pads are provided on the inner walls thereof to prevent the connecting wires from making hard contact with the wiring board 6 during the storage and arrangement process.

[0029] During use, the connection wires close to the same position are bundled together through the wiring groove 9 and the wiring board 6 to avoid a messy arrangement of the connection wires.

[0030] Example 2

[0031] like Figure 1-Figure 3 As shown, the present invention proposes an automatic test jig for refrigerator controllers. Based on the above embodiment, this embodiment also describes in detail the specific components of the anti-drop mechanism and its anti-drop method for cables.

[0032] like Figure 2 and Figure 3 As shown, the anti-slip mechanism includes a cover plate 12 and a flip driving component. The wiring board 6 is provided with a pair of second mounting plates 10 located on one side of the wiring groove 9. A second rotating shaft 11 is rotatably provided between the two groups of second mounting plates 10. A flip driving component is provided at one end of the second rotating shaft 11. The cover plate 12 is connected to the second rotating shaft 11 and is used to seal the notch of the wiring groove 9.

[0033] like Figure 3 As shown, the flip driving member includes a movable plate 13, an elastic guide, a gear 15 and a tooth plate 16. The movable plate 13 is movably arranged on one side of the wiring board through the elastic guide, and multiple groups of tooth plates 16 are linearly and equidistantly arranged thereon. One end of the rotating shaft is connected to a gear 15 that is meshed with the corresponding tooth plate 16.

[0034] In this embodiment, the movable plate 13 is manually driven to move vertically under the limit of the elastic guide, which drives the tooth plate 16 to move synchronously. The tooth plate 16 engages with the gear 15, and the meshing force drives the second rotating shaft 11 to rotate. During the rotation of the second rotating shaft, the cover plate 12 is driven to rotate, so that the wiring groove 9 can be opened or closed to facilitate wiring.

[0035] Example 3

[0036] like Figure 1-Figure 3 As shown, the present invention proposes an automatic test jig for a refrigerator controller. Based on the above embodiment, this embodiment further describes in detail the specific components of the elastic guide member and its limiting method for the movable plate 13.

[0037] like Figure 3 As shown, the elastic guide member includes a guide frame 17 and a support spring 18. There are two groups of guide frames 17, which are respectively installed at the two ends of the bottom side of the movable plate 13. The movable plate 13 is slidably set on the two groups of guide frames 17, and the bottom of the movable plate 13 is abutted against the support spring 18 mounted on the guide frame 17.

[0038] like Figure 3 As shown, through holes for the guide frame 17 to pass through are opened on both sides of the top of the movable plate 13, and a handle 14 is provided on the outer side of the movable plate 13.

[0039] The movable plate 13 is supported on the guide frame 17 to a certain height by the support spring 18. At this height, the tooth plate 16 on the movable plate 13 drives the cover plate 12 to naturally close the wiring trough 9 by cooperating with the gear 15. When the wiring trough 9 needs to be opened, the movable plate 13 is driven down by the handle 14. During the descent of the movable plate 13, the support spring 18 is squeezed and the tooth plate 16 is driven to move. During the movement, the tooth plate 16 is driven to rotate in cooperation with the gear 15 to open the wiring trough 9, thereby opening the wiring trough 9 and facilitating wiring by the staff.

[0040] like Figure 3 As shown, the guide frame 17 is configured as a frame structure, one corner of which is provided with a notch, and both ends of the notch are respectively connected to the side and bottom of the wiring board 6 .

[0041] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A refrigerator controller automatic test jig, characterized in that: include A test seat (1) is provided with a carrier (2) and a stand (3) located on one side of the carrier (2); a fixing plate (4) is provided on the side of the stand (3); and a test probe (5) is provided at the bottom of the fixing plate (4) and is directly opposite to the carrier (2); A wiring assembly is provided on the side of the fixing plate (4) and is used for arranging the test wiring on the test socket (1); and The anti-slip mechanism is provided on the cable arrangement assembly and is used to prevent the test wiring from being detached from the cable arrangement assembly during the cable arrangement process.

2. The automatic test jig for refrigerator controller according to claim 1, characterized in that: The wiring assembly includes a wiring board (6), two groups of first mounting plates (7) are symmetrically arranged on the side of the stand (3), a first rotating shaft (8) is rotatably arranged between the two groups of first mounting plates (7), one end of the wiring board (6) is mounted on the first rotating shaft (8), and a plurality of wiring grooves (9) are linearly and equidistantly provided on the wiring board (6).

3. The automatic test jig for refrigerator controller according to claim 2, characterized in that: The anti-slip mechanism comprises a cover plate (12) and a flip driving member. A second mounting plate (10) located on one side of the wiring groove (9) is arranged in pairs on the wiring plate (6). A second rotating shaft (11) is rotatably arranged between the two sets of second mounting plates (10). A flip driving member is arranged at one end of the second rotating shaft (11). The cover plate (12) is connected to the second rotating shaft (11) and is used to block the notch of the wiring groove (9).

4. The automatic test jig for refrigerator controller according to claim 3, characterized in that: The flip driving member comprises a moving plate (13), an elastic guide, a gear (15) and a tooth plate (16); the moving plate (13) is movably arranged on one side of the wiring board through the elastic guide, and a plurality of groups of tooth plates (16) are linearly and equidistantly arranged on the moving plate (13); one end of the rotating shaft is connected to a gear (15) meshed with the corresponding tooth plate (16).

5. The automatic test jig for refrigerator controller according to claim 4, characterized in that: The elastic guide member comprises a guide frame (17) and a support spring (18). The guide frame (17) is provided with two groups, which are respectively installed at the two ends of the bottom of the side of the movable plate (13). The movable plate (13) is slidably arranged on the two groups of guide frames (17). The bottom of the movable plate (13) is in contact with the support spring (18) sleeved on the guide frame (17).

6. The automatic test jig for refrigerator controller according to claim 5, characterized in that: The guide frame (17) is configured as a frame structure, one corner of which is provided with a notch, and both ends of the notch are respectively connected to the side and bottom of the wiring board (6).

7. The automatic test jig for refrigerator controller according to claim 5, characterized in that: Through holes for the guide frame (17) to pass through are provided on both sides of the top of the movable plate (13), and a handle (14) is provided on the outer side of the movable plate (13).

8. The automatic test jig for refrigerator controller according to claim 2, characterized in that: The cross sections of the plurality of wiring grooves (9) are all arranged in an arc shape, and the inner walls thereof are provided with protective pads.