CN210952939U - Automatic safety inspection system for refrigerator - Google Patents

Abstract

The embodiment of the application discloses automatic safety inspection system of refrigerator, this system includes: the grounding device is adaptively arranged on one side of the refrigerator production line and used for providing a detection power supply for the refrigerator and grounding the refrigerator; the code scanning gun is adaptively arranged on one side of the refrigerator production line, is positioned at the upstream of the grounding device and is used for acquiring refrigerator information; and the production line speed measuring assembly is arranged on the refrigerator production line and is used for acquiring the actual moving speed of the refrigerator production line. In the refrigerator safety inspection operation, manual work connects the refrigerator power cord to be connected with supply socket to and when disconnecting the refrigerator power cord with supply socket, be in electroless operating condition all the time, ensured personnel's safety, the safety inspection operation stage that is in the power on state is gone on by the grounding assembly is automatic moreover, has improved detection accuracy and detection efficiency.

Description

Automatic safety inspection system for refrigerator

Technical Field

The application belongs to the field of intelligent industrial detection equipment, particularly relates to the technical field of refrigerator safety detection, and particularly relates to an automatic refrigerator safety inspection system.

Background

In the production process of the refrigerator, the safety detection of the refrigerator is an important link, and is directly related to the quality and performance of the refrigerator, such as the high-voltage resistance performance, the insulation performance, the low-voltage starting performance and the like of the refrigerator, and the working state and the use safety of the refrigerator in actual use.

At present, the mode of manual selective examination is adopted to carry out refrigerator safety inspection usually, and the condition of neglected examination takes place for the inevitable among the actual operation process that the manual detection on the one hand, and detection efficiency is lower moreover, and on the other hand, the operation in-process of manual safety inspection often needs refrigerator live-wire operation, especially high voltage power supply, causes serious hidden danger to safety inspection personnel's safety.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the above-mentioned technical problems of the prior art, an embodiment of the present application discloses an automatic security inspection system for a refrigerator, including:

the grounding device is adaptively arranged on one side of the refrigerator production line and used for providing a detection power supply for the refrigerator and grounding the refrigerator;

the code scanning gun is adaptively arranged on one side of the refrigerator production line, is positioned at the upstream of the grounding device and is used for acquiring refrigerator information;

the production line speed measuring assembly is arranged on a refrigerator production line and used for acquiring the actual moving speed of the refrigerator production line;

wherein, earthing device includes:

a rectangular box body with a hollow cavity;

the test board chain line is arranged in the cuboid box body and forms an annular circulating board chain line;

the power sockets are arranged in a plurality of numbers and are arranged on the chain line of the test board at intervals;

the safety sliding contact line is arranged in the cuboid box body, is arranged below part of the chain line of the test board and supplies power to the power socket;

the test motor is arranged in the rectangular box body and used for driving the test board chain line to circularly move at the actual moving speed of the refrigerator production line;

the grounding support is arranged at the bottom of the cuboid box body and used for supporting the cuboid box body and serving as a power supply grounding end;

and the grounding assembly is arranged above the cuboid box body and is used for connecting the refrigerator with a ground wire.

Further, some embodiments disclose an automatic refrigerator security inspection system, wherein the safety slide wire is arranged in the middle of the rectangular box body and is adapted to a power socket in the middle of the rectangular box body.

Some embodiments disclose an automatic refrigerator security inspection system, the grounding device further comprises:

the mounting platform is fixedly arranged above the side edge of the cuboid box body and is matched with the shape of the side edge of the cuboid box body;

the linear guide rail is fixedly arranged on the mounting platform;

the test platform is adaptively arranged on the linear guide rail and used for arranging and installing the grounding assembly;

the transmission assembly is arranged on the mounting platform through the mounting bracket, is connected with the test platform and is used for driving the test platform to move;

and the second motor is arranged on the mounting platform and used for driving the transmission assembly to move at the actual moving speed of the refrigerator production line.

Some embodiments disclose an automatic refrigerator security inspection system, which further comprises a guide member adapted to be disposed on a refrigerator production line for guiding the refrigerator into a security inspection position.

Some embodiments disclose an automatic refrigerator security inspection system, wherein the guide component is a guide rod, and the guide rod is arranged on the side edge of a refrigerator production line.

Some embodiments disclose an automatic refrigerator security inspection system, further comprising a transverse positioning assembly, disposed on the other side of the refrigerator production line opposite to the grounding detection device, for adjusting the transverse position of the refrigerator on the refrigerator production line.

Some embodiments disclose refrigerator automatic safety inspection system, production line speed measuring subassembly includes: the speed measuring wheel is vertically arranged on the refrigerator production line, is contacted with the refrigerator production line and synchronously rotates with the refrigerator production line; the speed measurement support is arranged on the side edge of the refrigerator production line and used for installing and setting the speed measurement wheel.

Some embodiments disclose an automatic refrigerator security inspection system, the grounding device further comprises: the test cylinder is horizontally arranged and installed on the test platform, and the moving direction of a movable part of the test cylinder is perpendicular to the installation platform; and the spring buffer mechanism is fixedly connected with the test cylinder and transversely moves under the drive of the test cylinder, and the grounding assembly is arranged and installed on the spring buffer mechanism.

Some embodiments disclose an automatic refrigerator security inspection system, further comprising a control assembly for controlling the automatic refrigerator security inspection system comprising a grounding device, a code scanning gun and a production line speed measurement assembly.

Some embodiments disclose an automatic refrigerator security check system, further comprising a security check instrument for performing a security check test on the refrigerator.

The automatic safety inspection system of refrigerator disclosed in the embodiment of the application, can obtain refrigerator information and actual moving speed automatically, and can carry out corresponding safety test according to the information that obtains, refrigerator safety inspection operation in-process, earlier communicate refrigerator power cord and supply socket through manual work, supply socket moves to the position that sets up safe wiping line and switches on rather than along with surveying test panel chain line, the refrigerator is connected with the power electricity, the ground connection subassembly is connected with the refrigerator, the safety inspection appearance carries out test operation, the safety inspection test finishes, supply socket moves to the position that does not set up safe wiping line, refrigerator and power disconnection, can break off refrigerator power cord and supply socket by the manual work. In the refrigerator safety inspection operation, manual work connects the refrigerator power cord to be connected with supply socket to and when being in refrigerator power cord and supply socket disconnection, be in electroless operating condition all the time, ensured personnel's safety, be in the safety inspection operation stage of electric UNICOM state moreover and test by the safety inspection appearance is automatic, improved detection accuracy and detection efficiency.

Drawings

FIG. 1 embodiment 1 is a schematic diagram of the composition of an automatic security system for a refrigerator

FIG. 2 is a schematic view of the chain line configuration of the test board in the automatic security inspection system of the refrigerator in embodiment 1

FIG. 3 embodiment 1 of the present invention is a schematic view of the grounding device in the automatic security inspection system of the refrigerator

FIG. 4 embodiment 1 is a schematic view of a grounding assembly in an automatic security inspection system for a refrigerator

Detailed Description

Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments, particularly if the word "embodiment" is used exclusively herein. Performance index tests in the examples of this application, unless otherwise indicated, were performed using routine experimentation in the art. It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure.

Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; other test methods and techniques not specifically mentioned in the present application are those commonly employed by those of ordinary skill in the art. The first and second components or assemblies mentioned in the present application are only distinguished, and the order of the components or assemblies is not strictly limited and does not mean different structures or different orders; the longitudinal direction in the context of this application is generally the direction in the plane of the production line which coincides with the direction in which it advances, and the transverse direction is the direction perpendicular to the longitudinal direction, unless otherwise conflicting with the context.

The terms "substantially" and "about" are used throughout this disclosure to describe small fluctuations. For example, they may mean less than or equal to ± 5%, such as less than or equal to ± 2%, such as less than or equal to ± 1%, such as less than or equal to ± 0.5%, such as less than or equal to ± 0.2%, such as less than or equal to ± 0.1%, such as less than or equal to ± 0.05%. Concentrations, amounts, and other numerical data may be expressed or presented herein in a range format. Such range format is used merely for convenience and brevity and thus should be interpreted flexibly to include not only the numerical values explicitly recited as the limits of the range, but also to include all the individual numerical values or sub-ranges encompassed within that range as if each numerical value and sub-range is explicitly recited. For example, a numerical range of "1 to 5%" should be interpreted to include not only the explicitly recited values of 1% to 5%, but also include individual values and sub-ranges within the indicated range. Thus, included in this numerical range are individual values, such as 2%, 3.5%, and 4%, and sub-ranges, such as 1% to 3%, 2% to 4%, and 3% to 5%, etc. This principle applies equally to ranges reciting only one numerical value. Moreover, such an interpretation applies regardless of the breadth of the range or the characteristics being described.

In this disclosure, including the claims, all conjunctions such as "comprising," including, "" carrying, "" having, "" containing, "" involving, "" containing, "and the like are to be understood as being open-ended, i.e., to mean" including but not limited to. Only the conjunction "consisting of" and "consisting of" are closing conjunction.

In the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present disclosure. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In the examples, some methods, means, instruments, apparatuses, etc. known to those skilled in the art are not described in detail in order to highlight the subject matter of the present application. On the premise of no conflict, the technical features disclosed in the embodiments of the present application may be combined arbitrarily, and the obtained technical solution belongs to the content disclosed in the embodiments of the present application.

Generally, a refrigerator production line is continuous operation so as to improve production efficiency, in order to realize accurate and efficient operation of refrigerator security inspection and guarantee detection accuracy, the refrigerator security inspection operation speed is consistent with the speed of the refrigerator production line, production efficiency is not affected, and the automatic refrigerator security inspection working beat is generally required to be set according to the production beat of the refrigerator production line.

The automatic safety inspection system of refrigerator that this application embodiment discloses sets up in a side of refrigerator production line adaptively, specifically includes: the grounding device is adaptively arranged on one side of the refrigerator production line and used for providing a detection power supply for the refrigerator and grounding the refrigerator; the code scanning gun is adaptively arranged on one side of the refrigerator production line, is positioned at the upstream of the grounding device and is used for acquiring refrigerator information; the production line speed measuring assembly is arranged on a refrigerator production line and used for acquiring the actual moving speed of the refrigerator production line; wherein, earthing device includes: a rectangular box body with a hollow cavity; the test board chain line is arranged in the cuboid box body and forms an annular circulating board chain line; the power sockets are arranged in a plurality of numbers and are arranged on the chain line of the test board at intervals; the safety sliding contact line is arranged in the rectangular box body, is arranged below part of the chain line of the test board and supplies power to the power socket; the test motor is arranged in the rectangular box body and used for driving the test board chain line to circularly move at the actual moving speed of the refrigerator production line; the grounding support is arranged at the bottom of the cuboid box body and used for supporting the cuboid box body and serving as a power supply grounding end; and the grounding assembly is arranged above the cuboid box body and used for connecting the refrigerator with a ground wire.

In some embodiments, the automatic refrigerator noise detection system includes a code scanner configured to obtain refrigerator model information. The code scanning gun, also called a code scanner, can usually identify information such as a bar code, a two-dimensional code and the like on a refrigerator, the information usually comprises key technology and performance index information of a specific model represented by the refrigerator, such as refrigerator compressor information, control component information, display component information and the like, the safety performance requirement of the refrigerator model can be judged according to the information of the refrigerator and the compressor, and then the automatic refrigerator security inspection system judges whether the refrigerator is in a normal state according to the detected actual information. As an alternative embodiment, it is common to provide a code scanning gun to recognize the refrigerator model information so as to recognize the refrigerator information of different models continuously produced on the refrigerator production line. The model information that marks on the refrigerator is all set up the trailing flank at the refrigerator usually to sweep a yard rifle and join in marriage when setting up on the refrigerator production line usually, set up in same side with refrigerator model information usually, be convenient for scan the discernment. As an alternative embodiment, a swing laser code scanning gun or a visual code scanning gun may be selected.

In some embodiments, the automatic refrigerator noise detection system includes a production line speed measurement component for acquiring an actual moving speed of a production line, and further acquiring an actual moving speed of a refrigerator. Generally, a refrigerator runs at a set constant speed on a production line, a safety testing device performs detection operation at a certain beat, however, the set constant speed can be adjusted due to production needs, and in some cases, the moving speed can be changed due to unexpected reasons. As an alternative embodiment, a tachometer wheel may be provided on the production line, and the tachometer wheel rotates synchronously under the action of the roller line moving on the detection production line, so that the moving speed of the production line can be known through the actual rotating speed of the tachometer wheel, and the refrigerator generally moves synchronously with the production line, and the actual moving speed of the refrigerator can be obtained.

In some embodiments, the automatic refrigerator security inspection system comprises a grounding device, which is adapted to be disposed at one side of a refrigerator production line, and is used for providing a detection power supply for the refrigerator and performing a security test.

Generally, the grounding device comprises a cuboid box body, the box body is provided with four upright side walls and a bottom plate to form a hollow inner cavity, an annular circulating plate chain line formed by a test plate chain line arranged in the cuboid box body can circularly move in the hollow inner cavity, and the horizontally arranged part of the circulating plate chain line is positioned at the upper part of the hollow inner cavity; two horizontal planes are formed at the upper parts of the two side walls in the length direction and used for arranging an installation platform; the test board chain line is provided with a plurality of power sockets which are arranged at intervals and used for being connected with a refrigerator power line to supply power to the refrigerator power line, a safety sliding contact line is arranged below part of the test board chain line provided with the power sockets, the power socket is in a power on state when in contact with the safety sliding contact line in the synchronous moving process of the power socket and the test board chain line, the power socket is powered off after the power socket continuously moves and is separated from the safety sliding contact line, and the power socket is in a power off state; the test motor is fixedly arranged at a proper position in the box body, the circular movement of the chain line of the test board is carried out under the driving of the test motor, and the rotating speed of the test motor is usually determined according to the actual moving speed of the refrigerator production line measured by the production line speed measuring component and is kept consistent; the bottom of the cuboid box body is provided with a grounding support which is fixedly arranged on a test site and is used as a grounding terminal of a test power supply to ensure safety; the grounding component is arranged above the cuboid-shaped box body and is arranged on the horizontal surface on the side wall of the box body. As an optional implementation mode, the sliding contact line generally comprises a sliding rail and a sliding head, the sliding head is arranged below each power socket, the annular test board chain line is generally divided into different parts, the sliding rail is selectively arranged, so that the sliding rail is not arranged below part of the test board chain line, the sliding rail is arranged below other parts of the test board chain line, the safety sliding contact line arranged in the way can enable the refrigerator socket arranged on the test board chain line to be communicated with a power supply only in part of time periods, the safety inspection instrument is convenient to carry out automatic safety inspection, the refrigerator power socket is disconnected with the power supply in other part of time periods, and manual plugging and unplugging operations of the refrigerator power socket are convenient to carry out. As an alternative embodiment, the test motor is selected as the servomotor.

In some embodiments, the grounding device of the automatic refrigerator security inspection system further includes: the mounting platform is fixedly arranged above the side edge of the cuboid box body and is matched with the shape of the side edge of the cuboid box body; the linear guide rail is fixedly arranged on the mounting platform; the test platform is adaptively arranged on the linear guide rail and used for arranging and installing the grounding assembly; the transmission assembly is arranged on the mounting platform through the mounting bracket, is connected with the test platform and is used for driving the test platform to move; and the second motor is arranged on the mounting platform and used for driving the transmission assembly to move at the actual moving speed of the refrigerator production line. As an alternative embodiment, the second motor is a servomotor.

As an optional implementation mode, the safety sliding contact line of the automatic refrigerator safety inspection system is arranged in the middle of the cuboid-shaped box body and is matched with a power socket in the middle of the cuboid-shaped box body, and the safety sliding contact line is not arranged at the two ends of the box body. In the moving process of the test board chain line, a power socket arranged on the test board chain line moves to the middle position of the box body provided with the safe sliding contact line and is connected with the power supply in a contact mode, and the power socket is disconnected with the power supply in other stages.

As an alternative, the drive assembly is provided as a drive belt.

As an alternative, the transmission assembly is configured as a transmission screw.

In some embodiments, the automatic refrigerator security inspection system further comprises a guide part, which is fittingly arranged on the refrigerator production line and is used for guiding the refrigerator into a security inspection position, and the guide part is usually arranged at the upstream end of the grounding device, so that the refrigerator can be conveniently guided into a proper position between the start of security inspection test operation, and the detection efficiency and accuracy are improved. As an optional implementation mode, the automatic refrigerator noise detection system further comprises a guide component, wherein the guide component is arranged on the side edge of the refrigerator production line and used for guiding the refrigerator to enter the refrigerator detection setting area.

The guide component is a strip-shaped component and is arranged at an upstream adjacent position of the lateral positioning component, one end of the guide component is fixedly connected to the side edge of the production line, and the other end of the guide component extends to the middle of the production line for a distance which does not exceed the arrangement position of the lateral positioning component on the production line, so that the refrigerator is guided to be close to the positioning mechanism, and the accurate positioning of the lateral positioning component on the refrigerator is not influenced.

In some embodiments, the guide component of the automatic refrigerator safety inspection system is a guide rod arranged on the side of the refrigerator production line.

In some embodiments, the automatic refrigerator safety inspection system further comprises a transverse positioning assembly, which is arranged on the other side of the refrigerator production line opposite to the grounding detection device and is used for adjusting the transverse position of the refrigerator on the refrigerator production line. The transverse positioning assembly is arranged between the guide component and the grounding device, so that the transverse position of the refrigerator guided by the guide component can be further adjusted, and the positioning accuracy is improved.

In some embodiments, the lateral positioning assembly comprises: the base comprises a horizontally arranged base platform and a vertically arranged base support, the base platform is arranged and fixed on the side surface of a refrigerator production line, and the base support is fixed on the ground of the production line through a detachable connecting piece; the fixing frame is horizontally arranged and fixedly connected on the base platform; the cylinder is horizontally arranged and fixedly connected on the fixed frame; and the positioning component is fixedly connected with the air cylinder and is arranged under the driving of the air cylinder to horizontally move along the transverse direction of the refrigerator production line so as to move the refrigerator to a set security inspection position on the production line. Generally, during the moving process of the refrigerator on the production line, the position of the refrigerator on the production line is not fixed and can be in different positions for various reasons, and especially, the distance from the refrigerator to the side face of the production line is different, so that the accurate security inspection is hindered.

As an alternative, the base bracket of the lateral positioning assembly is provided with a height-adjustable member by means of which the height of the base bracket can be adjusted to enable the positioning member to move the refrigerator at different heights, for example, acting on the bottom bracket to move the refrigerator in a lower position, or acting on the side of the refrigerator in an upper position. As an alternative embodiment, the bottom of the base support is provided with an adjustable pedestal.

As an alternative embodiment, a positioning component of the transverse positioning assembly can be arranged to act on the surface part of the refrigerator, and the refrigerator is transversely moved to a fixed position, so that the refrigerator can be positioned in the plane of the production line. The positioning accuracy is higher when the surface directly acting on the refrigerator is used for positioning, and in general, a positioning mechanism of the transverse positioning assembly needs to be specially arranged, for example, a flexible contact surface is arranged on a position where the positioning mechanism is in contact with the refrigerator, so that the damage to the surface of the refrigerator is reduced, and the appearance of the refrigerator is influenced.

In some embodiments, a production line speed measuring assembly of an automatic refrigerator security inspection system includes: the speed measuring wheel is vertically arranged on the refrigerator production line, is contacted with the refrigerator production line and synchronously rotates with the refrigerator production line; the speed measurement support is arranged on the side edge of the refrigerator production line and used for installing and fixing the speed measurement wheel, and the actual moving speed of the production line is obtained by knowing the rotating speed of the speed measurement wheel.

As an alternative embodiment, the grounding device of the automatic refrigerator security inspection system further comprises: the test cylinder is horizontally arranged and installed on the test platform, and the moving direction of a movable part of the test cylinder is perpendicular to the installation platform; the spring buffer mechanism is fixedly connected with the test cylinder and transversely moves under the driving of the test cylinder; and the grounding assembly is arranged and installed on the spring buffer mechanism. The spring buffer mechanism comprises a pressure spring for buffering external impact force, and the external impact force applied to the buffer mechanism is eliminated through the deformation of the pressure spring, so that the pressure spring is prevented from being damaged. Generally, the grounding assembly arranged on the test platform needs to be in direct contact with the refrigerator so as to achieve good contact, and the refrigerator can generate certain impact force to the grounding assembly in the process that the grounding assembly is in contact with the refrigerator under the pushing of the air cylinder.

In some embodiments, the automatic refrigerator security inspection system includes a refrigerator positioning component disposed on the grounding device for obtaining a position of the refrigerator on the production line. Generally, a refrigerator moves on a production line, in order to start detection operation at a proper time, an automatic refrigerator security detection system needs to obtain position information of the refrigerator, when the moving refrigerator reaches a proper position, detection is started at a proper time, the detection process is favorably optimized, and the detection efficiency and accuracy are improved. For example, the refrigerator positioning component may select a photoelectric switch.

As an optional implementation mode, the automatic refrigerator security inspection system further comprises a control assembly for controlling the automatic refrigerator security inspection system comprising the grounding device, the code scanning gun and the production line speed measuring assembly. The controls typically include an information processor, memory, display, and information input components, among others. In some embodiments, a communication component is also provided for the transmission of information between the automatic detection system and other information processing units.

As an optional embodiment, the control component includes an information processor for processing information obtained by the code scanner, the speed detection component, and the noise detection component, optionally, the information processor may be implemented by a Central Processing Unit (CPU), an Application Specific Integrated Circuit (ASIC), or a Field Programmable Gate Array (FPGA), or may be implemented by using a communication method to transmit an image to an industrial personal computer, and the industrial personal computer is implemented as the processor. The information processor may comprise a single processor or a plurality of processors.

In some embodiments, the control assembly includes a display module, such as a display, which may be a device suitable for displaying images or video, such as a Liquid Crystal Display (LCD), Cathode Ray Tube (CRT), Organic Light Emitting Diode (OLED), or plasma display, which may be configured to display information. In some implementations, the display may be a remote terminal such as a smart phone, tablet computer, laptop computer, or the like.

A typical refrigerator security test includes: testing a grounding index, wherein the current is 25A, and the detection time is 3 s; carrying out withstand voltage test, wherein the voltage is 1650V, and the detection time is 1 s; insulation test, 500V direct current power supply, detection time 2 s; and (4) starting a test at low voltage, starting at 0.85 time of voltage, and detecting for 8-15 s. As an alternative embodiment, the ground indicator test, the withstand voltage test and the insulation test are detected as one set of test items, the low-voltage start test is detected as another set of test items, and the two sets of test items are executed at different detection stages.

Generally, a security check instrument adopted by refrigerator security check can be implemented by a universal security detection instrument, such as a safety performance comprehensive analyzer IDI68XX series of Qingdao Dai, an alternating current withstand voltage of 5000V/40mA, a direct current withstand voltage of 6000V/10mA, a grounding 32A/600mA, a leakage of 300V/18mA, a power of 300V/20A/6000W, a low start of 300V/20A and an open short circuit of 999 omega, and can implement the detection operation of the automatic refrigerator security check system disclosed by the embodiment of the application.

The technical details of the embodiments of the present application are further described below with reference to the accompanying drawings.

Fig. 1 is a schematic diagram illustrating the composition of an automatic security inspection system for a refrigerator disclosed in embodiment 1.

In embodiment 1, the refrigerator 200 is disposed on the production line 100, two sides of the production line 100 are respectively provided with a side edge 101, and at the upstream section of the production line 100, two guide rods 102 are respectively fixedly disposed on the two side edges 101;

the automatic refrigerator security inspection system is adaptively arranged on a refrigerator production line, wherein the code scanning gun 1 is arranged at the upstream of the grounding device 2, the production line speed measuring component 6 is arranged on the production line 100, the transverse positioning component 5 is arranged at the other side of the production line 100, is opposite to the code scanning gun 1 and is arranged at the downstream end of the guide rod 102; the first security check instrument 3 and the second security check instrument 4 are adjacently arranged on the side surface of the grounding device 2 and are arranged in a security check test section set in the grounding device.

Fig. 2 is a schematic view of the chain line arrangement of the test board in the automatic security inspection system for refrigerators disclosed in embodiment 1. In the figure, a test board chain line 21 is arranged in a rectangular box body 20, power sockets 22 are arranged on the test board chain line 21 at intervals, and a plurality of grounding brackets 23 are arranged and connected at the bottom of the rectangular box body 20; the annular test board chain wire 21 is driven by the test motor to circularly move in a vertical plane;

the test board chain line 21 is arranged in the rectangular box body 20, the rectangular box body 20 is respectively provided with three sections, namely a first section I, a second section II and a third section III, a safe sliding contact line matched with the test board chain line 21 is arranged in the second section II, and the safe sliding contact line is matched with a power socket 22 moved to the second section II and supplies power to the safe sliding contact line.

Fig. 3 is a schematic view of the grounding device in the automatic safety inspection system for a refrigerator disclosed in embodiment 1. In the figure, a mounting platform 24 is fixed above the side of a cuboid box 20, a linear guide rail 25 is arranged on the mounting platform 24, one end of the linear guide rail 25 is provided with a second motor 27, a test platform 26 is arranged on the linear guide rail 25 in a matching way, a transmission assembly is arranged on the mounting platform 24 through a mounting bracket and is connected with the test platform 26, and the transmission assembly is connected with the second motor 27 and drives the test platform 26 to reciprocate on the linear guide rail 25 under the driving of the transmission assembly; a grounding assembly 29 is disposed on the test platform 26, and the grounding assembly 29 is configured to move synchronously with the test platform 26.

The two ends of the mounting platform 24 are respectively provided with a mounting plate 28, and a protective casing 281 is fixedly mounted on the mounting plate 28 and is fittingly arranged on the transmission assembly for protecting the transmission assembly.

Fig. 4 is a schematic view of the arrangement of the grounding assembly in the automatic safety inspection system for a refrigerator disclosed in embodiment 1. In the figure, the grounding assembly comprises a bottom plate 290, a horizontally arranged testing cylinder 291 is fixedly connected to the bottom plate 290, the movable end of the testing cylinder 291 is connected with a spring buffer mechanism 292, the spring buffer mechanism 292 comprises a grounding rod and a spring for buffering the contact force between the grounding rod and the refrigerator, and the mounting direction of the testing cylinder 291 is perpendicular to the moving direction of a chain line of the testing plate.

In the process of testing operation, the refrigerator 200 enters a proper position under the guiding action of the guide rod 102, the transverse position of the refrigerator is further adjusted under the action of the transverse positioning component 5, the code scanning gun 1 obtains information of the refrigerator 200, the actual moving speed of the refrigerator production line 100 is measured by the production line speed measuring component 6, the control component controls the rotating speed of the testing motor according to the obtained information, the adjusting test board chain line 21 is driven to move at the same speed, and the power supply of the refrigerator is connected with the power supply socket 22 positioned in the first section I on the test board chain line 21 through manual operation; the test board chain wire 21 continues to move, the power socket 22 enters the second section II, the power socket 22 is connected with the safety sliding contact wire, the test air cylinder 291 drives the spring buffer mechanism 292 to move towards the refrigerator 200 and contact with the refrigerator 200, the refrigerator 200 is grounded, and the first security check instrument 3 and the second security check instrument 4 sequentially perform security check operation; after the security inspection operation is finished, the power socket 22 continues to move to the third section to be separated from the safety sliding contact line, the power supply is disconnected, the refrigerator power supply is manually pulled out of the power socket, and the security inspection test is finished; the grounding assembly is driven by the second motor to return to the initial detection position, and next security check operation is carried out.

The automatic safety inspection system of refrigerator disclosed in the embodiment of the application, can obtain refrigerator information and actual moving speed automatically, and can carry out corresponding safety test according to the information that obtains, among the refrigerator safety inspection operation process, artifical refrigerator power cord and supply socket intercommunication earlier, supply socket moves to the position that sets up safe wiping line and switches on rather than along with surveying test panel chain line, the refrigerator is connected with the power electricity, the ground connection subassembly is connected with the refrigerator, the safety inspection appearance carries out test operation, the safety inspection test finishes, supply socket moves to the position that does not set up safe wiping line, refrigerator and power disconnection, can artifically break off refrigerator power cord and supply socket. In the refrigerator safety inspection operation, manual work connects the refrigerator power cord to be connected with supply socket to and when being in refrigerator power cord and supply socket disconnection, be in electroless operating condition all the time, ensured personnel's safety, be in the safety inspection operation stage of electric UNICOM state moreover and test by the safety inspection appearance is automatic, improved detection accuracy and detection efficiency.

The technical details disclosed in the technical solutions and embodiments of the present application are only examples to illustrate the concept of the present application, and do not constitute a limitation of the present application, and all the non-inventive changes to the technical details disclosed in the present application have the same inventive spirit as the present application, and are within the scope of the claims of the present application.

Claims (10)

1. An automatic security check system for a refrigerator, the system comprising:

the grounding device is adaptively arranged on one side of the refrigerator production line and used for providing a detection power supply for the refrigerator and grounding the refrigerator;

the production line speed measuring assembly is arranged on a refrigerator production line and used for acquiring the actual moving speed of the refrigerator production line;

the code scanning gun is adaptively arranged on one side of a refrigerator production line, is positioned at the upstream of the grounding device and is used for acquiring refrigerator information;

wherein the grounding device comprises:

a rectangular box body with a hollow cavity;

the test board chain line is arranged in the cuboid box body and forms an annular circulating board chain line;

a plurality of power sockets which are arranged on the chain line of the test board at intervals;

the safety sliding contact line is arranged in the cuboid box body, is arranged below part of the chain line of the test board and supplies power to the power socket;

the testing motor is arranged in the cuboid box body and used for driving the testing board chain line to circularly move at the actual moving speed of the refrigerator production line;

the grounding support is arranged at the bottom of the cuboid box body, is used for supporting the cuboid box body and is used as a power grounding end;

and the grounding assembly is arranged above the cuboid box body and used for connecting the refrigerator with a ground wire.

2. The automatic safety inspection system for refrigerators according to claim 1, wherein the safety slide wire is disposed at the middle of the rectangular box and is adapted to a power socket disposed at the middle of the rectangular box.

3. The automatic refrigerator security system of claim 1, wherein the grounding device further comprises:

the mounting platform is fixedly arranged above the side edge of the cuboid box body and is matched with the shape of the side edge of the cuboid box body;

the linear guide rail is fixedly arranged on the mounting platform;

the test platform is adaptively arranged on the linear guide rail and used for installing the grounding assembly;

the transmission assembly is arranged on the mounting platform through a mounting bracket, is connected with the test platform and is used for driving the test platform to move;

and the second motor is arranged on the mounting platform and used for driving the transmission assembly to move at the actual moving speed of the refrigerator production line.

4. The automatic refrigerator security system of claim 1, further comprising a guide member adapted to be disposed on a refrigerator production line for guiding the refrigerator into a security position.

5. The automatic refrigerator security system of claim 4, wherein the guide member is a guide bar disposed on a side of the refrigerator production line.

6. The automatic refrigerator security system of claim 1, further comprising a lateral positioning assembly disposed at another side of the refrigerator production line opposite to the grounding device for adjusting a lateral position of the refrigerator on the refrigerator production line.

7. The automatic refrigerator security system of claim 1, wherein the production line speed measurement assembly comprises:

the speed measuring wheel is vertically arranged on a refrigerator production line, is contacted with the refrigerator production line and synchronously rotates with the refrigerator production line;

the speed measuring support is arranged on the side edge of the refrigerator production line and used for installing and setting the speed measuring wheel.

8. The automatic refrigerator security system of claim 3, wherein the grounding device further comprises:

the test cylinder is horizontally arranged and mounted on the test platform, and the moving direction of a movable part of the test cylinder is perpendicular to the mounting platform;

the spring buffer mechanism is fixedly connected with the test cylinder and transversely moves under the driving of the test cylinder;

the grounding assembly is arranged and installed on the spring buffering mechanism.

9. The automatic refrigerator security system of claim 1, further comprising a control assembly for controlling the automatic refrigerator security system comprising the grounding device, the code scanning gun and the production line speed measuring assembly.

10. The automatic refrigerator security system of claim 1, further comprising a security tester for performing security tests on the refrigerator.

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