Salt spray testing machine for testing terminal performance

By introducing a V-shaped specimen rack and a drive device to automatically adjust the angle of the wiring terminals in the salt spray tester, the problem of low efficiency of manual adjustment is solved, automated operation and safety protection are achieved, and the uniform deposition of salt spray is ensured and timely alarm is issued.

CN223470926UActive Publication Date: 2025-10-24ZHU HAI SHI CHENG HE DIAN ZI KE JI YOU XIAN GONG SI
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Patent Information

Application Number
CN202421361111.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-13
Publication Date
2025-10-24
Estimated Expiration
2034-06-13

AI Technical Summary

Technical Problem

The existing salt spray tester requires manual adjustment of the placement angle of the terminal blocks during the test, which is inefficient and harmful to the test personnel, and lacks a cover-opening reminder function.

Method used

A salt spray tester was designed, which adopted a V-shaped specimen rack and a drive device to automatically adjust the placement angle of the terminal blocks. It was also equipped with a micro switch and an alarm to prevent the cover from opening by mistake, thus realizing automated operation and reminder functions.

Benefits of technology

It improves the test efficiency, protects the safety of test personnel, ensures the uniform deposition of salt spray, meets the test requirements and issues an alarm in time.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223470926U_ABST
    Figure CN223470926U_ABST
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Abstract

The utility model discloses a salt spray testing machine for testing terminal performance, which comprises a salt spray testing machine body, bearing plates, a V-shaped sample rack and a driving device, the bearing plates are respectively arranged on two side walls of the salt spray testing machine body, a plurality of V-shaped accommodating grooves are arranged on the bearing plates, and the V-shaped accommodating grooves are arranged in the V-shaped accommodating grooves. One end of the V-shaped sample rack is accommodated in one V-shaped accommodating groove in one bearing plate, the other end of the V-shaped sample rack is accommodated in one V-shaped accommodating groove in the other bearing plate, and the driving device can drive the bearing plates to rotate by a certain angle. The wiring terminal can be placed on the V-shaped test object frame for salt spray testing, when the placing angle of the wiring terminal needs to be adjusted, the driving device drives the bearing plate to rotate by a certain angle, the V-shaped test object frame on the bearing plate rotates by a certain angle, and the placing angle of the wiring terminal on the V-shaped test object frame can be adjusted. Therefore, the salt mist can be uniformly settled on the surface of the wiring terminal, a tester does not need to manually adjust the wiring terminal one by one, and the testing efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a terminal test field, concretely relates to a salt mist test machine for testing terminal performance. BACKGROUND

[0002] The salt mist test machine for terminal is a kind of corrosion test equipment specially used to simulate marine environment condition, it assesses the corrosion resistance of terminal by generating salt mist, and this equipment is crucial to ensure the reliability and durability of terminal in practical application, especially in those environments that can contact salt, such as coastal areas or areas using salted snow-melting agent.

[0003] During the test process of some existing salt mist test machines, in order to ensure that the salt mist can be evenly deposited on the surface of the terminal, simulate the corrosion conditions in the natural environment, the test personnel need to adjust the angle of the terminal on the test product frame one by one at intervals to meet the test requirements, this operation mode of manually adjusting the angle of the terminal in the test is very low in efficiency, and the salt mist environment in the salt mist test machine will also cause a certain degree of damage to the test personnel after a long time of operation; In addition, the cover of the salt mist test machine should be opened as little as possible during the test process, and the cover of some existing salt mist test machines does not have an opening reminder function, and there is no alarm reminder function when the cover is opened by non-test personnel during the test process. SUMMARY

[0004] The utility model aims at providing a salt mist test machine for testing terminal performance to solve at least one of the above technical problems.

[0005] According to one aspect of the utility model, a salt mist test machine for testing terminal performance is provided, comprising:

[0006] A salt mist test machine body for salt mist test of terminal;

[0007] Two bearing plates, the bearing plate is respectively established on the two opposite side walls of the test cavity of the salt mist test machine body, and a plurality of V-shaped accommodation grooves are arranged along the length direction of the bearing plate on the bearing plate;

[0008] A plurality of V-shaped test product frames, one end of the V-shaped test product frame is accommodated in a V-shaped accommodation groove on one bearing plate, and the other end of the V-shaped test product frame is accommodated in a V-shaped accommodation groove on another bearing plate; and

[0009] Two driving devices, the driving device is established in the salt mist test machine body, one driving device can drive one bearing plate to rotate a certain angle on one side wall, and another driving device can drive another bearing plate to rotate a certain angle on another side wall.

[0010] The utility model discloses a salt spray testing machine, the terminal can be placed on the V-shaped test product support and carries out the salt fog test, after a period of time, when the terminal on the V-shaped test product support needs to be adjusted, the control drive arrangement works, two drive arrangements can drive two bearing plates to rotate a certain angle synchronously, thereby make the V-shaped test product support on the bearing plate rotate a certain angle, in this way, the angle of the terminal on the V-shaped test product support can be adjusted, thereby ensure that the salt fog can evenly settle on the surface of the terminal, simulate the corrosion condition in the natural environment, satisfy the test requirement, the drive arrangement can be set to the timing work, the angle of the terminal on the V-shaped test product support can be automatically adjusted through the drive arrangement, no longer need the test personnel to adjust manually, the test efficiency has been improved, also can avoid the damage of the salt fog environment in the salt spray testing machine to the test personnel.

[0011] Preferably, further comprising two support plates and a plurality of support rods,

[0012] The support plates are respectively arranged on two opposite side walls of the test cavity of the salt spray testing machine body, a plurality of U-shaped accommodation grooves are arranged on the support plates along the length direction of the support plates, and the support plates are located above the bearing plates.

[0013] One end of the support rod is accommodated in one U-shaped accommodation groove on one support plate, and the other end of the support rod is accommodated in one U-shaped accommodation groove on another support plate.

[0014] Therefore, when some terminals are tested by the salt fog, the terminals to be tested can be placed on a tray (the side wall and the bottom of the tray can be hollow) first, and the tray can be directly placed on the support rods for salt fog testing. When the support rods are not used, the support rods can be removed from the support plates.

[0015] Preferably, the drive arrangement drives the bearing plate to rotate on the side wall at an angle ranging from 0 to 30 degrees.

[0016] Therefore, the maximum rotation of the bearing plate by 30 degrees basically meets the adjustment requirement of the angle of the terminal.

[0017] Preferably, the depth of the U-shaped accommodation groove is at least twice the diameter of the support rod.

[0018] Therefore, at least two support rods can be accommodated in one U-shaped accommodation groove. After one support rod is removed from the support plate, the two ends of the support rod can be placed in two opposite U-shaped accommodation grooves in which the support rods are placed. That is, the two support rods can be stacked together and placed between the two support plates. When the support rods are not used, the middle support rod can be removed and stacked on the two side support rods, without affecting the placement of the terminals on the V-shaped test product support, and without the need for a special storage for the support rods, which is very convenient.

[0019] Preferably, the number of V-shaped accommodation grooves on each bearing plate is four, and the number of V-shaped test racks is four.

[0020] Therefore, four V-shaped test racks can basically meet the test of the required number of terminal connectors at one time.

[0021] Preferably, the number of U-shaped accommodation grooves on each support plate is eight, and the number of support rods is eight.

[0022] Therefore, eight support rods can basically meet the bearing of the tray on which the required number of terminal connectors are placed at one time, ensuring the stable bearing of the tray.

[0023] Preferably, the V-shaped test rack is provided with a plurality of drainage grooves.

[0024] Therefore, when the salt mist becomes liquid after colliding with the V-shaped test rack, the salt solution can be drained away in time through the drainage grooves, preventing the accumulation of the salt solution from affecting the terminal connector.

[0025] Preferably, the driving device is a motor.

[0026] Therefore, the rotation and resetting of the bearing plate can be realized by the forward rotation and reverse rotation of the motor by a certain angle.

[0027] Preferably, the cover of the salt mist test machine body is transparent.

[0028] Therefore, the tester can intuitively observe the changes of the terminal connector during the test through the transparent cover.

[0029] Preferably, it further comprises a micro switch, an alarm and a control device, the micro switch is arranged on the end surface of the salt mist test machine body in contact with the cover of the salt mist test machine body, the micro switch is electrically connected with the control device, and the control device is electrically connected with the alarm,

[0030] When the cover of the salt mist test machine body and the micro switch are separated, the control device controls the alarm to alarm.

[0031] Therefore, when the cover is opened during the test, the cover is separated from the micro switch on the salt mist test machine body, the micro switch generates a switch signal and sends the switch signal to the control device, and the control device controls the alarm to alarm, thereby realizing the cover opening reminding function. When a non-tester mistakenly opens the cover during the test, the alarm alarms, and the tester can respond in the first time. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 It is a structural schematic view of a salt mist test machine for testing terminal performance.

[0033] Figure 2 As shown in the salt spray test machine structure diagram of the application. Figure 1 As shown in the structure diagram of the salt spray test machine hidden behind the support rod.

[0034] Figure 3 As shown in the structure diagram of the salt spray test machine hidden behind the support rod. Figure 2 As shown in the enlarged structure diagram of the salt spray test machine at A.

[0035] Figure 4 As shown in the structure diagram of the salt spray test machine hidden behind the support rod. Figure 2 As shown in the side view of the salt spray test machine. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0037] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements.

[0038] Figures 1 to 4 The structure of a salt spray test machine for testing terminal performance is schematically shown.

[0039] Referring to Figures 1 to 4 A salt spray test machine for testing terminal performance, comprising a salt spray test machine body 1, a bearing plate 2, a V-shaped test product rack 3, a driving device 4, a support plate 5, a support rod 6, a micro switch 7, an alarm 8 and a control device 9.

[0040] Referring to Figure 1 The salt spray test machine body 1 can perform salt spray test on wiring terminals.

[0041] Referring to Figure 1 , Figure 3 and Figure 4, the number of the bearing plates 2 is two, one bearing plate 2 is installed on one side wall 11 of the test cavity of the salt spray testing machine body 1, and the other bearing plate 2 is installed on the other side wall 11 of the test cavity of the salt spray testing machine body 1, and the two bearing plates 2 are respectively located on the two opposite side walls 11 of the test cavity of the salt spray testing machine body 1; the driving devices 4 are installed in the side walls 11 of the salt spray testing machine body 1, and the number of the driving devices 4 is two, referring to Figure 3 , the driving shaft 41 of one driving device 4 penetrates through one side wall 11 of the test cavity of the salt spray testing machine body 1 and extends out of the side wall 11, and one bearing plate 2 is fixed on the driving shaft 41 of the driving device 4, and a gap is left between the bearing plate 2 and the side wall 11, referring to Figure 4 , the driving shaft 41 of the other driving device 4 penetrates through the other side wall 11 of the test cavity of the salt spray testing machine body 1 and extends out of the side wall 11, and the other bearing plate 2 is fixed on the driving shaft 41 of the driving device 4, and a gap is left between the bearing plate 2 and the side wall 11, that is, one driving device 4 can drive one bearing plate 2 to rotate on one side wall 11 with the driving shaft 41 of the driving device 4 as the center, and the other driving device 4 can drive the other bearing plate 2 to rotate on the other side wall 11 with the driving shaft 41 of the driving device 4 as the center, in the embodiment, the driving device 4 is a motor, and the driving device 4 drives the bearing plate 2 to rotate on the side wall 11 at an angle ranging from 0 to 30 degrees, and the maximum rotation of 30 degrees of the bearing plate 2 can basically meet the adjustment requirement of the placement angle of the wiring terminal, and the rotation and resetting of the bearing plate 2 can be realized by the forward rotation and reverse rotation of the motor by a certain angle (such as 30 degrees), and in other embodiments, the rotation angle range of the bearing plate 2 can be adaptively adjusted according to the test requirement.

[0042] The two bearing plates 2 are the same in structure, referring to Figure 3 , a plurality of V-shaped accommodation grooves 21 arranged along the length direction are formed on the bearing plate 2, in the embodiment, the number of the V-shaped accommodation grooves 21 on each bearing plate 2 is four, and the V-shaped accommodation grooves 21 on the two bearing plates 2 are oppositely arranged.

[0043] , referring to Figure 2 and Figure 3 , one end of the V-shaped test sample rack 3 is accommodated in one V-shaped accommodation groove 21 on one bearing plate 2, and the other end of the V-shaped test sample rack 3 is accommodated in one V-shaped accommodation groove 21 on the other bearing plate 2, in the embodiment, the number of the V-shaped test sample racks 3 is four, and the two ends of the four V-shaped test sample racks 3 are respectively accommodated in the four V-shaped accommodation grooves 21 on the two bearing plates 2 Figure 2 and Figure 4When the test is in progress (as shown in the state), the terminal can be placed on the V-shaped test rack 3 for salt spray test, and four V-shaped test racks 3 can basically meet the test of the required number of terminals at a time. When the angle of the terminal on the V-shaped test rack 3 needs to be adjusted, the control driving device 4 is operated, and the two driving devices 4 can synchronously drive the two bearing plates 2 to rotate by a certain angle, so that the V-shaped test rack 3 on the bearing plate 2 rotates by a certain angle. In this way, the angle of the terminal on the V-shaped test rack 3 can be adjusted.

[0044] The V-shaped test rack 3 can be formed with a plurality of drainage grooves (not shown). When the salt mist becomes liquid after colliding with the V-shaped test rack 3, the salt liquid can be drained away in time through the drainage grooves to prevent the accumulation of the salt liquid from affecting the terminal. At the beginning of placing the terminal, the terminal can be leaned against one wall of the V-shaped test rack 3. After the bearing plate 2 rotates by a certain angle, the terminal on the V-shaped test rack 3 is flipped and leaned against the other side wall of the V-shaped test rack 3, thereby ensuring that the salt mist can uniformly settle on the surface of the terminal during the test.

[0045] The two support plates 5 are the same in structure. Referring to Figure 1 and Figure 4 , the two support plates 5 are respectively fixed on the two opposite side walls 11 of the test cavity of the salt spray tester body 1, and the support plate 5 is located above the bearing plate 2. The support plate 5 is formed with a plurality of U-shaped accommodation grooves 51 arranged along the length direction thereof, and the opening of the U-shaped accommodation groove 51 faces upward. One end of the support rod 6 is accommodated in one U-shaped accommodation groove 51 on one support plate 5, and the other end of the support rod 6 is accommodated in one U-shaped accommodation groove 51 on the other support plate 5. In the present embodiment, the number of U-shaped accommodation grooves 51 on one support plate 5 is eight, and the number of support rods 6 is eight. The two ends of the eight support rods 6 are respectively accommodated in the eight U-shaped accommodation grooves 51 on the two support plates 5. Figure 1 When some terminals are tested by salt spray, the terminal to be tested can be placed on a tray (the side wall and the bottom of the tray can be hollow) first, and the tray can be directly placed on the support rod 6 for salt spray test. When the support rod 6 is not needed, it can be removed from the support plate 5. The eight support rods 6 can basically meet the bearing of the required number of terminal placing trays at a time, thereby ensuring the stable bearing of the tray.

[0046] Referring to Figure 3The depth of the U-shaped accommodating groove 51 is at least twice the diameter of the supporting rod 6, so that at least two supporting rods 6 can be accommodated in one U-shaped accommodating groove 51. When one supporting rod 6 is removed from the supporting plate 5, the two ends of the supporting rod 6 can be placed in two opposite U-shaped accommodating grooves 51 in which the supporting rods 6 are placed, that is, the two supporting rods 6 can be stacked together and placed between the two supporting plates 5. When the supporting rods 6 are not used, the middle supporting rod 6 can be removed and stacked on the two side supporting rods 6, which does not affect the taking and placing of the wiring terminals on the V-shaped test sample rack 3 and does not need to specially store the supporting rods 6, which is very convenient. In the embodiment, the depth of the U-shaped accommodating groove 51 is twice the diameter of the supporting rod 6, and two supporting rods 6 can be accommodated in one U-shaped accommodating groove 51.

[0047] Referring to Figure 1 In the embodiment, the cover 12 of the salt spray test machine body 1 is transparent, and the tester can directly observe the change of the wiring terminal during the test through the transparent cover 12.

[0048] Referring to Figure 1 , Figure 2 and Figure 4 The micro switch 7 is installed on the end surface of the salt spray test machine body 1 which contacts the cover 12 of the salt spray test machine body 1. When the cover 12 of the salt spray test machine body 1 is in the closed state, the cover 12 contacts the micro switch 7, and at this time the micro switch 7 does not generate a switching signal. When the cover 12 of the salt spray test machine body 1 is opened, the cover 12 of the salt spray test machine body 1 is separated from the micro switch 7, and at this time the micro switch 7 generates a switching signal.

[0049] The micro switch 7 is connected with the control device 9 through a wire harness, the alarm 8 is installed on the salt spray test machine body 1, the control device 9 is connected with the alarm 8 through a wire harness, and the control device 9 is connected with the two driving devices 4 through a wire harness. The control device 9 can control the two driving devices 4 to synchronously rotate forward or reverse for a certain angle, and a switch can be used to control the start and stop of the two driving devices 4. The driving device 4 can be set to stop working after rotating forward for a certain angle, and then reverse for a certain angle after a period of stop working, and the control device 9 is the control part of the salt spray test machine body 1 itself. During the test, when the cover 12 is opened, the cover 12 is separated from the micro switch 7 on the salt spray test machine body 1, the micro switch 7 generates a switching signal and sends the switching signal to the control device 9, the control device 9 controls the alarm 8 to alarm, thereby realizing the opening reminding function of the cover 12. During the test, when the cover 12 is mistakenly opened by a non-tester, the alarm 8 alarms, and the tester can respond and handle in the first time.

[0050] Referring to Figure 1The utility model discloses a salt spray testing machine, wiring terminal can be placed on V-shaped test piece support 3 carries out salt fog test, some wiring terminal can also be placed first on a tray (the lateral wall, bottom of tray can be all hollowed out) on, tray is placed directly on support rod 6 carries out salt fog test, after testing a period of time, need to adjust the angle of arrangement of wiring terminal on V-shaped test piece support 3, control two drive devices 4 work, two drive devices 4 synchronous drive two bearing plate 2 rotate certain angle, thereby make bearing plate 2 on V-shaped test piece support 3 rotate certain angle, in this way, the angle of arrangement of wiring terminal on V-shaped test piece support 3 can be adjusted, thereby ensure that salt fog can evenly settle on the surface of wiring terminal, simulate the corrosion condition in natural environment, to satisfy the test requirement, in the testing process, through drive device 4 can automatically adjust the angle of arrangement of wiring terminal on V-shaped test piece support 3, no longer need test personnel to adjust manually one by one, and the testing efficiency has been improved, also can avoid the damage of salt fog environment in salt spray testing machine to test personnel, in addition, when non-test personnel opens cover 12 by mistake in the testing process, alarm 8 alarms, and test personnel can respond to handle in the first time.

[0051] The above only some embodiments of the utility model are described, and the technical means of the utility model is explained, and is not the limitation of the technical range of the utility model. The person skilled in the art makes the improvement of the utility model in the light of the existing common knowledge, and all falls into the protection scope of the utility model.

Claims

1. A salt spray tester for testing terminal performance, characterized by, The utility model relates to a salt spray testing machine body for salt spray testing of wiring terminals, two bearing plates, each bearing plate being arranged on two opposite side walls of a test cavity of the salt spray testing machine body, the bearing plate being provided with a plurality of V-shaped accommodation grooves arranged along the length direction of the bearing plate, a plurality of V-shaped test racks, one end of each V-shaped test rack being accommodated in one V-shaped accommodation groove on one bearing plate, the other end of each V-shaped test rack being accommodated in one V-shaped accommodation groove on the other bearing plate, and two driving devices, each driving device being arranged in the salt spray testing machine body, one driving device being capable of driving one bearing plate to rotate by a certain angle on one side wall, and the other driving device being capable of driving the other bearing plate to rotate by a certain angle on the other side wall. The utility model further comprises two support plates and a plurality of support rods, each support plate being arranged on two opposite side walls of the test cavity of the salt spray testing machine body, the support plate being provided with a plurality of U-shaped accommodation grooves arranged along the length direction of the support plate, the support plate being arranged above the bearing plate, one end of each support rod being accommodated in one U-shaped accommodation groove on one support plate, and the other end of each support rod being accommodated in one U-shaped accommodation groove on the other support plate. The driving device drives the bearing plate to rotate by an angle ranging from 0 to 30 degrees on the side wall.

2. The salt spray test chamber of claim 1, wherein The depth of each U-shaped accommodation groove is at least twice the diameter of the support rod. The number of V-shaped accommodation grooves on each bearing plate is four, and the number of V-shaped test racks is four. The number of U-shaped accommodation grooves on each support plate is eight, and the number of support rods is eight.

3. The salt spray test chamber of claim 1, wherein The V-shaped test rack is provided with a plurality of drainage grooves.

4. The salt spray test chamber of claim 2, wherein The driving device is an electric motor.

5. The salt spray test chamber of claim 1, wherein The cover of the salt spray testing machine body is transparent.

6. The salt spray test chamber of claim 2, wherein, The utility model further comprises a micro switch, an alarm, and a control device, 7. The salt spray test chamber of claim 1, wherein when the cover of the salt spray testing machine body and the micro switch are separated, the control device controls the alarm to alarm.

8. The salt spray test chamber of claim 1, wherein, ​ 9. The salt spray test chamber of claim 1, wherein, ​ 10. The salt spray test chamber according to any one of claims 1 to 9, characterized in that ​ ​