CN110806272A

CN110806272A - Power strip temperature rise testing arrangement

Info

Publication number: CN110806272A
Application number: CN201810884952.2A
Authority: CN
Inventors: 陆枫; 沈海兵; 李志坤; 杨云霞; 茅忠群
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2018-08-06
Filing date: 2018-08-06
Publication date: 2020-02-18
Anticipated expiration: 2038-08-06
Also published as: CN110806272B

Abstract

The invention relates to a power panel temperature rise testing device which comprises a thermocouple, a workbench, a support frame and an installation seat, wherein the support frame is supported on the workbench and can be placed above a power panel to be tested, the installation seat is used for fixedly installing the thermocouple, a guide hole is formed in the support frame, the installation seat can be installed in the guide hole in a sliding mode, and the installation seat can move up and down relative to the support frame to enable the thermocouple to be abutted to a temperature rise testing position of a part to be tested. The power panel temperature rise testing device realizes contact with the part to be tested through up-down adjustment of the mounting seat, effectively ensures the contact tightness between the thermocouple and the part to be tested, and ensures that the temperature rise data of the part to be tested can be truly reflected in the testing process. In addition, in the operation process, the thermocouple does not need to be fixedly adhered to the part to be measured, the operation is simple and quick, and the working efficiency is high. And the thermocouple and the part to be measured are conveniently separated, and subsequent use is not influenced.

Description

Power strip temperature rise testing arrangement

Technical Field

The invention relates to a power panel temperature rise testing device.

Background

The power panel temperature rise test is an important work content of the safety detection of the electric appliances of the household electrical appliances. When temperature rise is tested, a thermocouple is usually used to convert a temperature signal into an electric signal, and temperature rise data is obtained. In order to obtain accurate temperature rise data, a thermocouple is usually attached to the surface of the detection component by a fixing means such as adhesion. For example, in the "embedded intelligent household appliance temperature rise testing device" of the chinese utility model with the publication number CN201637497U (application number 200920215592.3), the testing device disclosed therein arranges the thermocouple probe for testing at the specified position of the tested product on site and fixes the thermocouple probe, thereby realizing the temperature test. First, the thermocouple needs to be fixed manually, which takes a long time. In addition, after the thermocouple is manually fixed, the tightness of the connection between the thermocouple and the tested part cannot be guaranteed, and a test error is caused during testing. In addition, after the temperature rise test is finished, all thermocouples need to be taken down respectively, the working efficiency is low, and when the thermocouples are separated, the tested parts and the thermocouples are easy to damage to a certain extent, and secondary use is influenced. When the adhesive is used for fixing, the adhesive remains on the tested part and the thermocouple, and the subsequent use of the thermocouple is affected.

Disclosure of Invention

The first technical problem to be solved by the present invention is to provide a power strip temperature rise test apparatus, which can ensure the contact tightness between a thermocouple and a tested part and facilitate the fixation and separation of the thermocouple and the part, in view of the above prior art.

The second technical problem to be solved by the present invention is to provide a power strip temperature rise test apparatus capable of automatically positioning a thermocouple to perform a temperature rise test on each component, aiming at the above prior art.

The technical scheme adopted by the invention for solving the first technical problem is as follows: the utility model provides a power strip temperature rise testing arrangement, includes the thermocouple, the workstation, its characterized in that: still including supporting the mount pad that sets up on the workstation and can place the support frame in the power strip top of awaiting measuring and be used for fixed mounting thermocouple, be provided with the guiding hole on the support frame, the mount pad can be installed with sliding in the guiding hole, and the mount pad can reciprocate for the support frame and make the thermocouple support on the temperature rise test position of the spare part that awaits measuring.

In order to facilitate the simultaneous test of a plurality of thermocouples, a plurality of guide holes are arranged on the support frame in parallel.

In order to facilitate the installation of the thermocouple, the installation seat can move in the guide hole conveniently, the thermocouple can be ensured to be in close contact with the part to be tested, and the installation seat comprises

The base column is arranged in a hollow mode, threads are arranged on the periphery of at least the upper section of the base column, and the thermocouple is fixedly installed at the lower end of the base column;

the fixing knob is sleeved outside the base column and arranged below the supporting frame;

the adjusting knob is in threaded connection with the outside of the foundation column and is arranged above the supporting frame, a connecting part extends downwards from the adjusting knob, and the connecting part can be fixedly connected with the fixing knob;

the joint spare sets up between fixed knob and adjust knob, joint spare cover is established outside the connecting portion, and the periphery of joint spare is provided with along circumference can block the recess of establishing in the guiding hole.

In order to ensure that the thermocouple can be in close contact with each part to be tested on the power panel to be tested by rotating the base column, the lower section of the base column is arranged in a bending way.

Preferably, the base column comprises an adjusting rod and a fixed tube detachably connected to the lower part of the adjusting rod, and the thermocouple is fixed to the free end of the fixed tube.

For convenience of use, the free end of the fixed tube is conical, and the thermocouple is fixed at the tip end of the fixed tube.

Preferably, the fixed pipe is arranged in a bent manner.

The technical scheme adopted by the invention for solving the second technical problem is as follows: the test device is characterized by further comprising a driving mechanism capable of driving the mounting seat to move to a test position, wherein the driving mechanism is arranged on the workbench and located beside the support frame.

Preferably, the drive mechanism is a three-dimensional drive mechanism.

In order to automatically adjust the contact tightness between the thermocouple and the part to be measured, the thermocouple clamp further comprises a clamping jaw, a driving source and a controller, wherein the driving source is fixedly installed on a driving mechanism, the clamping jaw is connected to the driving end of the driving source, and the driving source is electrically connected with the controller and drives the clamping jaw to rotate and open and close under the control of the controller.

In order to automatically complete the positioning of each temperature rise test point, the temperature rise test device further comprises a camera electrically connected with the controller.

Simple structure ground, camera fixed connection is on actuating mechanism, the camera can move to the top of the power strip that awaits measuring.

Preferably, the camera is a line camera, and a macro lens is further arranged on the camera.

The structure is simple, the support frame is supported and arranged above the power panel to be tested through the support frame seat;

in order to realize the full-automatic working process of the temperature rise test, the support frame seats comprise two groups, the support frame comprises a first support frame component and a second support frame component which are in a tooth comb shape and can be mutually butted, wherein the first support frame component is erected on one group of support frame seats, and the second support frame component can be movably erected on the other group of support frame seats to be far away from and close to the first support frame component.

Preferably, the power panel to be tested can be matched and clamped between the two groups of support frame seats.

Preferably, the driving mechanism comprises an X-axis driving assembly, a Y-axis driving assembly and a Z-axis driving assembly which are arranged perpendicular to each other, the Z-axis driving assembly is slidably connected to the X-axis driving assembly and can move along the X-axis direction under the driving of the X-axis driving assembly, and the X-axis driving assembly is slidably connected to the Y-axis driving assembly and can move along the Y-axis direction under the driving of the Y-axis driving assembly.

Compared with the prior art, the invention has the advantages that: this power strip temperature rise testing arrangement sets up the thermocouple on the mount pad, and then drives the thermocouple through the motion of mount pad in the support frame guiding hole and remove to the top of the spare part that awaits measuring to adjust the realization through the mount pad from top to bottom and await measuring the contact of spare part, effectively guaranteed the compactness of contact between thermocouple and the spare part that awaits measuring, guarantee can be real in the test procedure the temperature rise data of the spare part that awaits measuring. In addition, in the operation process, the thermocouple does not need to be fixedly adhered to the part to be measured, the operation is simple and quick, and the working efficiency is high. And the thermocouple and the part to be measured are conveniently separated, and subsequent use is not influenced.

In addition, the driving mechanism, the clamping jaw, the driving source, the controller and the camera are additionally arranged, so that the full-automatic operation of the power panel temperature rise testing device can be realized, manual operation is not needed, the working efficiency is higher, and the working error is small.

Drawings

Fig. 1 is a perspective view of a power board temperature rise test device in an embodiment of the invention in an undetected state.

Fig. 2 is a perspective view of the power board temperature rise test device in the embodiment of the invention in the detection state.

Fig. 3 is a perspective view of a mounting base in an embodiment of the invention.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to fig. 3, the power board temperature rise testing apparatus in the embodiment includes a workbench 2, and the workbench 2 may also be made of local materials, for example, a table with a board surface is used as the workbench 2. The working table 2 in this embodiment is a plate structure.

Two sets of support frame bases 400 are arranged on the workbench 2, each set of support frame base 400 comprises four support columns, the four support columns extend upwards from the workbench 2, and the four support columns are arranged in a rectangular shape. In order to fix the power panel to be tested conveniently, the positioning ribs are vertically arranged on the inner sides of the four adjacent supporting columns of the two groups of supporting frames 4, the power panel can be clamped between the two groups of supporting frame seats 400 through the positioning ribs, and the power panel is prevented from shifting when being tested to influence a test result. For convenience of description, the two sets of the support stands 400 in the present embodiment are defined as a first support stand 400 and a second support stand 400, respectively.

The support frame seat 400 is provided with a support frame 4, and the support frame 4 comprises a first support frame component 41 and a second support frame component 42 which are in a comb shape and can be mutually butted. Wherein the first support frame assembly 41 is mounted on the first support frame base 400 and the second support frame assembly 42 is mounted on the second support frame base 400. The guide ribs on the same horizontal plane are arranged on the pillars in the two groups of supporting frame seats 400 along the horizontal direction, and the guide ribs are arranged at the positions, close to the top, of the pillars, so that enough placing space is reserved for the power panel below. The first support frame component 41 and the second support frame component 42 are attached above the guide ribs. The second support frame assembly 42 in this embodiment is movably mounted on the guide ribs of the second support frame 4 and can move toward and away from the first support frame assembly 41 along the direction of the guide ribs. When testing is required, the second support frame assembly 42 is first located away from the first support frame assembly 41. After the power board is clamped between the two sets of support frame seats 400, the second support frame assembly 42 is moved toward the direction close to the first support frame assembly 41, and then is opposite to the front end of the first support frame assembly 41, and at this time, the second support frame assembly 42 is supported on four adjacent pillars of the first support frame seat 400 and the second support frame seat 400.

After the first support frame assembly 41 and the second support frame assembly 42 are combined, a finished support frame 4 is formed, and the support frame 4 is located above the power panel to be tested. The teeth comb gaps on the first support frame component 41 and the second support frame component 42 are matched to form a plurality of parallel guide holes 40. The distance between the guide holes 40 is designed to cover the test position of each temperature-rising part to be tested on the power panel. When the test is completed, the movable second support frame assembly 42 is moved away from the first support frame assembly 41 until the second support frame assembly 42 is completely moved onto the second support frame base 400. At this time, the power panel which completes the test can be taken out.

At least one mounting seat 5 for fixedly mounting the thermocouple 1 can be placed in each guide hole 40, and each mounting seat 5 can slide along the guide hole 40. The mounting base 5 in this embodiment includes a base column 51, a fixing knob 52, an adjusting knob 53 and a clamping member 54, wherein the base column 51 is disposed in a hollow manner, the base column 51 in this embodiment includes an adjusting rod 511 and a fixing tube 512 detachably connected to a lower portion of the adjusting rod 511, and both the adjusting rod 511 and the fixing tube 512 are disposed in a hollow manner. The free end of the fixed tube 512 is conical, and the tip of the fixed tube 512 is located at the lower end, and the thermocouple 1 is fixedly clamped in the tip of the fixed tube 512, i.e. located at the lower end of the fixed tube 512. The detection head of the thermocouple 1 is exposed out of the lower end of the fixed tube 512, and the signal line of the thermocouple 1 is connected to an external data processing unit by passing through the fixed tube 512 and the adjustment rod 511. If the computer is arranged to process the data collected by the thermocouple 1, the temperature rise curve data of each part on the power panel can be obtained.

The fixing tube 512 in this embodiment is disposed in a bent manner such that the end of the lower end of the fixing tube 512 is not less than half of the interval between the two guide holes 40 perpendicularly to the axis of the fixing tube 512. By rotating the mounting base 5, the mounting base 5 in the guide hole 40 can drive the thermocouple 1 to reach each detection position on the power panel.

The outer circumference of at least the upper section of the base cylinder 51 is provided with a screw thread, i.e., the outer circumference of the adjustment lever 511. The fixing knob 52 is sleeved outside the adjusting rod 511 and is arranged below the supporting frame 4. The adjusting knob 53 is coupled to the outside of the adjusting lever 511 by an internal thread and is disposed above the supporting bracket 4. Adjusting knob 53 downwardly extending has a connecting portion, this connecting portion have an external screw thread, fixed knob 52 has an internal screw thread, and fixed knob 52 can threaded connection on the connecting portion, and then realize with adjusting knob 53's the fixed connection that can dismantle. The clamping piece 54 is sleeved outside the connecting portion, the fixing knob 52 and the connecting knob are fixed, the clamping piece 54 is located between the fixing knob 52 and the adjusting knob 53, and a groove 541 capable of being clamped in the guide hole 40 is formed in the periphery of the clamping piece 54 along the circumferential direction. That is, the mounting seat 5 is engaged in the guide hole 40 through the groove 541 and can move along the guide of the guide hole 40. Through rotating adjusting knob 53, can make base pillar 51 reciprocate for support frame 4, and then realize thermocouple 1's the detection head closely support on the surface of the spare part on the power strip, and then conveniently acquire accurate temperature data.

The worktable 2 is further provided with a driving mechanism 6, the driving mechanism 6 is positioned beside the support frame seat 400, and the driving mechanism 6 in the embodiment adopts a common three-dimensional driving mechanism 6. Specifically, the driving mechanism 6 in this embodiment includes an X-axis driving assembly 61, a Y-axis driving assembly 62, and a Z-axis driving assembly 63, which are disposed perpendicular to each other, the Z-axis driving assembly 63 is slidably connected to the X-axis driving assembly 61 and can move in the X-axis direction under the driving of the X-axis driving assembly 61, and the X-axis driving assembly 61 is slidably connected to the Y-axis driving assembly 62 and can move in the Y-axis direction under the driving of the Y-axis driving assembly 62.

The drive mechanism 6 is also electrically connected to an external processing unit, and performs a driving operation under the control of the external processing unit. The driving mechanism 6 in this embodiment is further provided with a gripper 7, a driving source 8, and a camera 9. For the convenience of installation, the Z-axis driving assembly 63 in this embodiment includes two synchronous guide posts, one guide post is connected to the driving source 8 in a driving manner, the other guide post is connected to the camera 9 in a driving manner, and the driver of the Z-axis driving assembly 63 can drive the driving source 8 and the camera 9 to move up and down along the Z-axis. The jaws 7 are connected to the driving end of a driving source 8, and the driving source 8 can drive the rotation and the opening and clamping actions. The controller is also arranged outside, the controller can adopt the processing unit, namely, a computer can be arranged outside, and the processor in the computer is used as the controller. The controller electrically connects the drive source 8 and the camera 9, and controls the drive source 8 and the camera 9 to operate. The camera 9 in this embodiment is a line camera, and the camera 9 is further provided with a macro lens.

The power panel temperature rise testing device is used in the process that: the power board to be tested is fixed and clamped between the two sets of support frame bases 400. Then the driving mechanism 6 drives the camera 9 to move to a position suitable for photographing above the power panel 3 to be tested, then the camera 9 photographs the power panel, and further transmits the photographed picture into the controller, and the controller processes the picture, and further obtains the coordinate position of each part to be subjected to temperature rise test on the power panel. Then the controller controls the driving mechanism 6 to work, drives the clamping jaw 7 to move to the position of the second supporting frame assembly 42, the clamping jaw 7 clamps the second supporting frame assembly 42, and further drives the second supporting frame assembly 42 to move towards the first supporting frame assembly 41 and to be involuted with the first supporting frame assembly 41. The support frame 4 is formed by involution, and a plurality of parallel guide holes 40 are formed on the support frame 4. The controller controls the driving mechanism 6 to work according to the coordinate position of each part, and drives the clamping jaw 7 to drive the mounting seat 5 to move along the upper part of the corresponding test position. If the thermocouple 1 at the lower end of the mounting seat 5 cannot directly contact the test position, the driving source 8 drives the clamping jaw 7 to rotate, the clamping jaw 7 clamps the base column 51 and further drives the base column 51 to rotate, so that the tip of the base column 51 corresponds to the upper part of the test position. After the thermocouple 1 is located right above the testing position, the driving source 8 drives the clamping jaw 7 to clamp the adjusting knob 53, so as to drive the adjusting knob 53 to rotate, so that the base column 51 moves up and down, and further the thermocouple 1 is tightly abutted to the surface of the testing position of the part. After all the thermocouples 1 are tightly abutted to the test positions, the controller collects temperature data collected by the thermocouples 1, and then the controller draws a temperature rise curve through calculation.

After the temperature rise test of one power panel is completed, the clamping jaw 7 drives the second support frame assembly 42 to move in the direction away from the first support frame assembly 41, and after the power panel is exposed, the power panel can be taken out from between the two sets of support frame seats 400.

When the power panel temperature rise testing device is used, the contact tightness between the thermocouple 1 and a part to be tested can be effectively ensured, and the temperature rise data of the part to be tested can be truly reflected in the testing process. In addition, in the operation process, the thermocouple 1 does not need to be fixedly adhered to the part to be measured, the operation is simple and quick, and the working efficiency is high. And the thermocouple 1 is convenient to separate from the part to be measured, and subsequent use is not influenced.

Claims

1. The utility model provides a power strip temperature rise testing arrangement, includes thermocouple (1), workstation (2), its characterized in that: still including supporting setting on workstation (2) and can place support frame (4) and mount pad (5) that are used for fixed mounting thermocouple (1) in the power strip (3) top of awaiting measuring, be provided with guiding hole (40) on support frame (4), mount pad (5) can be installed with sliding in guiding hole (40), and mount pad (5) can reciprocate and make thermocouple (1) support on the temperature rise test position of the spare part that awaits measuring for support frame (4).

2. The power strip temperature rise test device of claim 1, wherein: a plurality of guide holes (40) are arranged on the support frame (4) in parallel.

3. The power strip temperature rise test device of claim 1, wherein: the mounting seat (5) comprises a base column (51) which is arranged in a hollow mode, threads are arranged on the periphery of at least the upper section of the base column (51), and the thermocouple (1) is fixedly mounted at the lower end of the base column (51);

the fixing knob (52) is sleeved outside the base column (51) and arranged below the supporting frame (4);

the adjusting knob (53) is in threaded connection with the outside of the base column (51) and is arranged above the support frame (4), a connecting part extends downwards from the adjusting knob (53), and the connecting part can be fixedly connected with the fixing knob (52);

joint spare (54), set up between fixed knob (52) and adjust knob (53), joint spare (54) cover is established outside the connecting portion, and the periphery of joint spare (54) is provided with recess (541) that can the card establish in guiding hole (40) along circumference.

4. The power strip temperature rise test device of claim 3, wherein: the lower section of the foundation column (51) is arranged in a bending way.

5. The power strip temperature rise test device of claim 3, wherein: the foundation column (51) comprises an adjusting rod (511) and a fixed pipe (512) detachably connected to the lower portion of the adjusting rod (511), and the thermocouple (1) is fixed to the free end of the fixed pipe (512).

6. The power strip temperature rise test device of claim 5, wherein: the free end of the fixed tube (512) is conical, and the thermocouple (1) is fixed at the tip end of the fixed tube (512).

7. The power strip temperature rise test device of claim 5, wherein: the fixed pipe (512) is arranged in a bent mode.

8. The power strip temperature rise test device of any one of claims 1 to 7, wherein: the test device is characterized by further comprising a driving mechanism (6) capable of driving the mounting seat (5) to move to a test position, wherein the driving mechanism (6) is arranged on the workbench (2) and is positioned beside the support frame (4).

9. The power strip temperature rise test device of claim 8, wherein: the driving mechanism (6) is a three-dimensional driving mechanism (6).

10. The power strip temperature rise test device of claim 8, wherein: still include clamping jaw (7), driving source (8) and controller, driving source (8) fixed mounting is on actuating mechanism (6), the drive end at driving source (8) is connected in clamping jaw (7), driving source (8) are connected with the controller electricity and realize driving clamping jaw (7) under the control of controller and rotate and open and shut.

11. The power strip temperature rise test device of claim 8, wherein: also comprises a camera (9) electrically connected with the controller.

12. The power strip temperature rise test device of claim 11, wherein: the camera (9) is fixedly connected to the driving mechanism (6), and the camera (9) can move to the upper portion of the power panel (3) to be tested.

13. The power strip temperature rise test device of claim 11, wherein: the camera (9) is a linear array camera, and a macro lens is further arranged on the camera (9).

14. The power strip temperature rise test device of any one of claims 1 to 7, wherein: the support frame (4) is supported and arranged above the power panel (3) to be tested through a support frame seat (400).

15. The power strip temperature rise test device of claim 14, wherein: the support frame seats (400) comprise two groups, the support frames (4) comprise a first support frame assembly (41) and a second support frame assembly (42) which are comb-shaped and can be mutually butted, wherein the first support frame assembly (41) is erected on one group of support frame seats (400), and the second support frame assembly (42) can be movably erected on the other group of support frame seats (400) to be far away from and close to the first support frame assembly (41).

16. The power strip temperature rise test device of claim 15, wherein: the power panel (3) to be tested can be clamped between the two groups of supporting frame seats (400) in a matching manner.

17. The power strip temperature rise test device of claim 9, wherein: actuating mechanism (6) are including X axle drive assembly (61), Y axle drive assembly (62) and Z axle drive assembly (63) that mutually perpendicular set up, connection that Z axle drive assembly (63) can slide is on X axle drive assembly (61) and can move along the X axle direction under the drive of X axle drive assembly (61), connection that X axle drive assembly (61) can slide is on Y axle drive assembly (62) and can move along the Y axle direction under the drive of Y axle drive assembly (62).