CN111751690A - Withstand voltage test equipment - Google Patents
Withstand voltage test equipment Download PDFInfo
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- CN111751690A CN111751690A CN202010642856.4A CN202010642856A CN111751690A CN 111751690 A CN111751690 A CN 111751690A CN 202010642856 A CN202010642856 A CN 202010642856A CN 111751690 A CN111751690 A CN 111751690A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/18—Subjecting similar articles in turn to test, e.g. go/no-go tests in mass production
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8887—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
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- Computer Vision & Pattern Recognition (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention provides a voltage-withstanding test device which comprises a conveying mechanism, a blocking grounding mechanism, an electrifying clamp and a control system, wherein the conveying mechanism is used for conveying a to-be-tested piece, the blocking grounding mechanism is arranged at a position close to the conveying mechanism and is electrically connected with a grounding grid and used for blocking and releasing the to-be-tested piece and realizing grounding of the to-be-tested piece, the electrifying clamp is arranged above the conveying mechanism and is electrically connected with the to-be-tested piece so as to realize electrifying of the to-be-tested piece, and the control system is respectively electrically connected with the blocking grounding mechanism and the electrifying clamp and is used for controlling the blocking grounding mechanism to execute blocking and releasing actions and controlling the action of the electrifying clamp so as to realize the electrical connection of the electrifying clamp and the to-be-tested piece. The invention can improve the detection efficiency and reduce the potential safety hazard.
Description
Technical Field
The invention relates to the technical field of voltage withstanding tests, in particular to voltage withstanding test equipment.
Background
Before final assembly, the outer unit of the air conditioner needs to be subjected to a voltage withstanding test to detect the overvoltage bearing capacity of the outer unit of the air conditioner. In the prior art, the pressure resistance test of the air conditioner external unit is performed by means of a manual handheld detection tool, but the manual pressure resistance test efficiency is low, and certain potential safety hazards exist. Aiming at the problems in the prior art, the invention designs the voltage withstanding test equipment which can improve the detection efficiency and reduce the potential safety hazard.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the voltage withstanding test equipment which can improve the detection efficiency and reduce the potential safety hazard.
In a first aspect, the present invention provides a voltage withstand test apparatus, including a conveying mechanism, a blocking and grounding mechanism, an electrifying fixture and a control system, wherein the conveying mechanism is used for conveying a to-be-tested piece, the blocking and grounding mechanism is disposed at a position close to the conveying mechanism and electrically connected to a grounding ground grid, and is used for blocking and releasing the to-be-tested piece and realizing grounding of the to-be-tested piece, the electrifying fixture is disposed above the conveying mechanism and is used for electrically connecting to the to-be-tested piece to realize electrifying of the to-be-tested piece, and the control system is respectively electrically connected to the blocking and grounding mechanism and the electrifying fixture, and is used for controlling the blocking and grounding mechanism to perform blocking and releasing actions and controlling the electrifying fixture to act so as to realize electrical connection between the electrifying fixture and the to-be-tested piece.
In one embodiment, the conveying mechanism comprises a conveying line and a sensor, the sensor is arranged on the conveying line or the blocking grounding structure and is electrically connected with the control system, and the sensor is used for feeding back a sensing signal to the control system when sensing the piece to be tested on the conveying line.
The beneficial effects of adopting the above embodiment are: the conveying line is used for conveying the piece to be tested, the sensor is arranged and used for feeding back a sensing signal to the control system when sensing the piece to be tested on the conveying line, and the control system controls the blocking grounding mechanism and the power-on clamp to act.
In one embodiment, the blocking grounding mechanism includes a grounding portion and a blocking mechanism, the grounding portion is electrically connected to the grounding grid for grounding the grounding portion, the blocking mechanism is disposed on the grounding portion for blocking and releasing the test piece, and the blocking mechanism has a conductive property.
The beneficial effects of adopting the above embodiment are: because the blocking mechanism has conductive performance, when the blocking grounding mechanism is contacted with the to-be-tested piece, the to-be-tested piece can be grounded.
In one embodiment, the blocking mechanism comprises a rotary cylinder, a rotary arm and a stop block, the rotary cylinder is electrically connected with the control system and used for executing a rotary action according to a first control instruction of the control system, one end of the rotary arm is arranged on a rotary shaft of the rotary cylinder and used for acting under the driving of the rotary cylinder, and the stop block is arranged at the other end of the rotary arm and used for blocking and releasing the piece to be tested under the driving of the rotary arm.
The beneficial effects of adopting the above embodiment are: the rotary cylinder drives the stop block to move in the rotating process, and the stop block realizes blocking and releasing of the piece to be tested in the moving process.
In one embodiment, the power-on clamp comprises a mechanical arm, a power-on test tool and a visual guide system, the mechanical arm is electrically connected with the control system and used for acting according to a second control instruction of the control system, the power-on test tool is arranged at a moving end of the mechanical arm and used for moving to the position of the piece to be tested under the driving of the mechanical arm and being connected with a connecting terminal on the piece to be tested in an inserting mode so as to achieve power-on of the piece to be tested, and the visual guide system is arranged at the moving end of the mechanical arm and electrically connected with the control system and used for guiding the mechanical arm to automatically adjust the angle and the position so as to accurately insert the power-on test tool into the connecting terminal.
The beneficial effects of adopting the above embodiment are: the upper electric testing tool is driven by the mechanical arm to move to the position of the to-be-tested piece and is connected with the wiring terminal on the to-be-tested piece in an inserting mode, wherein the visual guide system is arranged and used for guiding the mechanical arm to automatically adjust the angle and the position so as to accurately insert the upper electric testing tool into the wiring terminal.
In one embodiment, the vision guidance system comprises a camera for taking a picture to capture the position offset of the piece to be tested, and a light source for exposure of the camera and illumination of the piece to be tested.
The beneficial effects of adopting the above embodiment are: the method comprises the steps of shooting a piece to be tested through the arrangement of a camera to capture the position offset of the piece to be tested so as to further determine the position of the piece to be tested, and meanwhile, judging whether a wiring terminal on the piece to be tested is abnormal (such as surface damage) or not through shooting by the camera so as to realize quality detection of the piece to be tested.
In one embodiment, the power-on clamp further comprises a hanger on which the robotic arm is disposed.
The beneficial effects of adopting the above embodiment are: the mechanical arm is suspended and inversely hung on the hanging bracket, so that the utilization rate of space is improved.
In one embodiment, the rotating arm is perpendicular to the rotation axis of the rotating cylinder.
The beneficial effects of adopting the above embodiment are: the rotating arm can rotate under the drive of the rotating cylinder.
In one embodiment, the rotation plane of the rotating arm is parallel to the conveying plane of the conveying mechanism.
The beneficial effects of adopting the above embodiment are: the rotating arm can drive the stop block to move in the rotating process so as to stop and release the to-be-tested piece conveyed on the conveying mechanism.
In one embodiment, the test piece is an air conditioner outdoor unit.
The beneficial effects of adopting the above embodiment are: the device is used for carrying out pressure resistance test on the air conditioner external unit.
Compared with the prior art, the invention has the advantages that:
(1) the detection efficiency can be improved, and the potential safety hazard is reduced.
(2) The grounding part and the blocking mechanism can block the test piece and simultaneously complete the grounding of the test piece.
(3) And the visual guide system is used for guiding the mechanical arm to automatically adjust the angle and the position so as to accurately insert the power-on test tool into the wiring terminal.
(4) The setting of camera not only can be through treating the test piece and shoot to catch the position offset of treating the test piece, and then confirm the position of treating the test piece, can also carry out quality testing through shooing to treating the test piece.
(5) Due to the arrangement of the hanging bracket, the utilization rate of the space can be improved.
The technical features mentioned above can be combined in various suitable ways or replaced by equivalent technical features as long as the object of the invention is achieved.
Drawings
The invention will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings. Wherein:
FIG. 1 shows a structural view of a withstand voltage test apparatus;
FIG. 2 shows a block diagram of the blocking ground mechanism;
FIG. 3 shows a block diagram of a power-on clamp;
in the drawings, like parts are provided with like reference numerals. The drawings are not to scale.
10-a withstand voltage test device; 11-a conveying mechanism; 111-a conveying line; 13-blocking the grounding mechanism; 131-a ground part; 133-a blocking mechanism; 133 a-a rotary cylinder; 133 b-a rotating arm; 133 c-a stop; 15-electrifying the clamp; 151-a robot arm; 153-power-on test tooling; 155-a visual guidance system; 155 a-camera; 155 b-a light source; 157-a hanger; 20-the piece to be tested.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
As shown in fig. 1 to 3, a withstand voltage testing apparatus 10 includes a conveying mechanism 11, a barrier grounding mechanism 13, an electrifying jig 15, and a control system.
The conveying mechanism 11 is used for conveying the to-be-tested piece 20, the blocking grounding mechanism 13 is arranged at a position close to the conveying mechanism 11 and electrically connected with a grounding grid and used for blocking and releasing the to-be-tested piece 20, the power-on clamp 15 is arranged above the conveying mechanism 11 and used for electrically connecting with the to-be-tested piece 20 so as to achieve power-on of the to-be-tested piece 20, and the control system is respectively electrically connected with the blocking grounding mechanism 13 and the power-on clamp 15 and used for controlling the blocking grounding mechanism 13 to perform blocking and releasing actions and controlling the power-on clamp 15 to act so as to achieve electrical connection of the power-on clamp 15 and the to-be-tested piece 20.
Specifically, in this embodiment, the blocking and grounding mechanism 13 is disposed on one side of the conveying mechanism 11, and can block and release the to-be-tested piece 20 conveyed on the conveying mechanism 11.
The electrifying clamp 15 is arranged above the conveying mechanism 11 and can be electrically connected with the to-be-tested piece 20 blocked by the blocking grounding mechanism 13 so as to electrify the to-be-tested piece 20.
Wherein, conveying mechanism 11 includes transfer chain 111 and sensor, and the sensor setting is on transfer chain 111 or block ground mechanism 13 to with control system electric connection, when sensing the piece 20 of waiting to test on transfer chain 111, with the sensing signal feedback to control system.
Specifically, in this embodiment, the conveying line 111 is a conveying belt line, and has a simple structure, high conveying capacity, and an accurate movement amount control function. The sensor is a photoelectric sensor, has short response time and high resolution and can realize non-contact detection.
The sensor sets up on the side of transfer chain 111, at the in-process that transfer chain 111 carried the piece 20 of waiting to test, when the sensor senses the piece 20 of waiting to test on the transfer chain 111, send the sensing signal to control system, control system control blocks that earthing mechanism 13 carries out and blocks the action, blocks that earthing mechanism 13 blocks the piece 20 of waiting to test of carrying on transfer chain 111, after the first preset time of delay, control system control blocks that earthing mechanism 13 carries out and releases the action, the piece that has accomplished the detection gets into next process.
In one of the embodiments, the sensor may also be disposed on the blocking ground mechanism 13.
The blocking grounding mechanism 13 includes a grounding portion 131 and a blocking mechanism 133, the grounding portion 131 is electrically connected to a grounding grid for grounding the grounding portion 131, the blocking mechanism 133 is disposed on the grounding portion 131 for blocking and releasing the test piece 20, and the blocking mechanism 133 has a conductive property.
Specifically, in this embodiment, the grounding portion 131 includes a supporting portion, a connecting portion and a cabinet body, the connecting portion is disposed on the supporting portion and electrically connected to the pre-buried grounding grid, the blocking mechanism 133 is disposed on the upper portion of the supporting portion, and the supporting portion is used for fixing and supporting the blocking mechanism 133. Wherein, the supporting portion, the connecting portion and the blocking mechanism 133 all have conductive performance, and the above arrangement can realize the grounding of the blocking mechanism 133.
The blocking mechanism 133 includes a rotary cylinder 133a, a rotary arm 133b and a stopper 133c, wherein the rotary cylinder 133a is disposed at the upper portion of the support portion and electrically connected to the control system, for executing a rotation action according to a first control instruction of the control system. The rotating arm 133b is a rod-shaped structure, one end of the rotating arm 133b is disposed on the rotating shaft of the rotating cylinder 133a, the other end is disposed with a stopper 133c, the rotating arm 133b is perpendicular to the rotating shaft of the rotating cylinder 133a, and the rotating plane of the rotating arm 133b is parallel to the conveying plane of the conveying mechanism 11. The rotating arm 133b can be driven by the rotating cylinder 133a to rotate so as to drive the stopper 133c to move, and the stopper 133c blocks and releases the to-be-tested piece 20 on the conveying line 111 in the moving process.
When the stopper 133c blocks the test piece 20, the stopper 133c contacts the test piece 20, thereby achieving grounding of the test piece 20.
The cabinet body is the box structure that a side opening set up, and the opening direction of the cabinet body is towards transfer chain 111, and supporting part and revolving cylinder 133a holding are at the internal of cabinet, and the one end that revolving arm 133b was provided with dog 133c stretches out from the opening part of the cabinet body, and the cabinet body is used for protecting supporting part and revolving cylinder 133 a.
In one embodiment, the cabinet body is further provided with a groove body, the groove body is located on a motion path of the rotating arm, and the rotating arm can move in the groove body in the rotating process so as to avoid interference of blocking of the cabinet body on the motion of the rotating arm.
The power-on clamp 15 includes a robot 151, a power-on test fixture 153, a vision guidance system 155, and a hanger 157, wherein the robot 151 is disposed on the hanger 157, electrically connected to the control system, and configured to operate according to a second control instruction of the control system. The power-on testing tool 153 is disposed at a moving end of the robot 151, and is configured to move to the position of the to-be-tested part 20 under the driving of the robot 151 and be plugged into a connection terminal on the to-be-tested part 20, so as to power on the to-be-tested part 20. The vision guiding system 155 is disposed at the moving end of the robot 151, and is electrically connected to the control system, for guiding the robot 151 to automatically adjust the angle and position, so as to accurately insert the power-on testing tool 153 into the connection terminal.
Specifically, in this embodiment, the visual guidance system 155 includes a camera 155a and a light source 155b, the camera 155a adopts a CCD camera, the light source 155b adopts an LED light source, the camera 155a is electrically connected to the control system, and the camera 155a can process the taken picture information and feed the processed picture information back to the control system.
The light source 155b is located at one side of the camera 155a, the camera 155a photographs the test piece 20 to capture the position offset of the test piece 20, so as to determine the position of the test piece 20, and meanwhile, the camera 155a photographs the test piece 20 to determine whether the wiring terminal on the test piece 20 is abnormal (for example, surface damage), so as to implement quality detection of the test piece 20.
The light source 155b is provided for exposure of the camera 155a and illumination of the test piece 20 to improve the imaging quality of the camera 155 a.
The robot arm 151 is suspended and hung upside down on the hanger 157, and the utilization rate of space can be improved.
The control system generates a second control instruction according to the information fed back by the camera 155a, and controls the robot arm 151 to move, and the robot arm 151 drives the power-on testing tool 153 to move to the wiring terminal of the to-be-tested part 20, and accurately inserts the wiring terminal, so that the power-on testing tool 153 is electrically connected with the to-be-tested part 20, and further the power-on of the to-be-tested part 20 is realized. Wherein, binding post contains live wire, zero line and bottom wire.
In one embodiment, the device to be tested 20 is an air conditioner external unit, and the stopper 133c can contact a copper valve filled with a refrigerant, so as to realize grounding of the air conditioner external unit.
The withstand voltage test of the test piece 20 includes the steps of:
when the sensor senses the to-be-tested piece 20 on the conveying line 111, the sensor sends a sensing signal to the control system, the control system controls the rotary cylinder 133a to rotate to drive the stop block 133c to move, and the stop block 133c stops the to-be-tested piece 20;
the control system controls the mechanical arm 151 to act, the mechanical arm 151 drives the power-on test tool 153 to move to a wiring terminal of the to-be-tested piece 20 and accurately insert the wiring terminal, and the power-on test tool 153 powers on the to-be-tested piece 20 and conducts a voltage withstand test;
after delaying the second preset time, the control system controls the mechanical arm 151 to reset;
after the first preset time is delayed, the control system controls the rotating cylinder 133a to rotate reversely, so as to drive the stop block 133c to be far away from the piece to be tested 20, and reset.
In one embodiment, the first preset time is not less than the second preset time.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.
Claims (10)
1. A withstand voltage testing apparatus, characterized by comprising:
the conveying mechanism is used for conveying the piece to be tested;
the blocking grounding mechanism is arranged at a position close to the conveying mechanism, is electrically connected with the grounding grid, and is used for blocking and releasing the piece to be tested and realizing the grounding of the piece to be tested;
the power-on clamp is arranged above the conveying mechanism and is used for being electrically connected with the to-be-tested piece so as to realize power-on of the to-be-tested piece; and
and the control system is electrically connected with the blocking grounding mechanism and the power-on clamp respectively and is used for controlling the blocking grounding mechanism to execute blocking and releasing actions and controlling the power-on clamp to act so as to realize the electrical connection between the power-on clamp and the piece to be tested.
2. The pressure resistance test apparatus according to claim 1, wherein the transport mechanism comprises:
a conveying line; and
the sensor is arranged on the conveying line or the blocking grounding structure, is electrically connected with the control system, and is used for feeding back a sensing signal to the control system when sensing the piece to be tested on the conveying line.
3. The withstand voltage testing apparatus according to claim 1 or 2, wherein the blocking ground mechanism includes:
the grounding part is electrically connected with the grounding grid and used for realizing the grounding of the grounding part; and
a blocking mechanism arranged on the grounding part and used for blocking and releasing the test piece to be tested;
wherein the blocking mechanism has conductive properties.
4. The withstand voltage testing apparatus according to claim 3, wherein said blocking mechanism comprises:
the rotating cylinder is electrically connected with the control system and used for executing rotating action according to a first control instruction of the control system;
one end of the rotating arm is arranged on a rotating shaft of the rotating cylinder and is used for acting under the driving of the rotating cylinder; and
and the stop block is arranged at the other end of the rotating arm and is used for stopping and releasing the piece to be tested under the driving of the rotating arm.
5. The withstand voltage testing apparatus according to claim 4, wherein said electrifying jig comprises:
the mechanical arm is electrically connected with the control system and is used for acting according to a second control instruction of the control system;
the power-on test tool is arranged at the moving end of the mechanical arm and used for moving to the position of the piece to be tested under the driving of the mechanical arm and being inserted into the wiring terminal on the piece to be tested so as to power on the piece to be tested; and
and the visual guide system is arranged at the moving end of the mechanical arm, is electrically connected with the control system and is used for guiding the mechanical arm to automatically adjust the angle and the position so as to accurately insert the power-on test tool into the wiring terminal.
6. The pressure withstanding test apparatus of claim 5 wherein the visual guidance system comprises:
the camera is used for taking pictures so as to capture the position offset of the piece to be tested; and
a light source for exposure of the camera and illumination of the piece to be tested.
7. The pressure resistance test apparatus according to claim 5, wherein the power-on jig further comprises a hanger on which the robot arm is provided.
8. The pressure resistance test apparatus according to claim 4, wherein the rotation arm is perpendicular to a rotation axis of the rotation cylinder.
9. The pressure resistance test apparatus according to claim 8, wherein a rotation plane of the rotating arm is parallel to a transport plane of the transport mechanism.
10. A pressure resistance test apparatus as set forth in claim 1, wherein the test piece is an outdoor unit of an air conditioner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010642856.4A CN111751690A (en) | 2020-07-06 | 2020-07-06 | Withstand voltage test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010642856.4A CN111751690A (en) | 2020-07-06 | 2020-07-06 | Withstand voltage test equipment |
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| Publication Number | Publication Date |
|---|---|
| CN111751690A true CN111751690A (en) | 2020-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010642856.4A Pending CN111751690A (en) | 2020-07-06 | 2020-07-06 | Withstand voltage test equipment |
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| Country | Link |
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| CN (1) | CN111751690A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113138327A (en) * | 2021-04-22 | 2021-07-20 | 珠海格力智能装备有限公司 | Automatic pressure-resistant detection device, system and method |
-
2020
- 2020-07-06 CN CN202010642856.4A patent/CN111751690A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113138327A (en) * | 2021-04-22 | 2021-07-20 | 珠海格力智能装备有限公司 | Automatic pressure-resistant detection device, system and method |
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