CN110907168A - Testing device - Google Patents

Testing device Download PDF

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Publication number
CN110907168A
CN110907168A CN201911225081.4A CN201911225081A CN110907168A CN 110907168 A CN110907168 A CN 110907168A CN 201911225081 A CN201911225081 A CN 201911225081A CN 110907168 A CN110907168 A CN 110907168A
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CN
China
Prior art keywords
electric cylinder
cylinder assembly
testing
driving piece
gear selecting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911225081.4A
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Chinese (zh)
Inventor
王威
李向兵
杨伟龙
何龙
仲亚天
王利明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Jianghuai Automobile Group Corp
Original Assignee
Anhui Jianghuai Automobile Group Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Jianghuai Automobile Group Corp filed Critical Anhui Jianghuai Automobile Group Corp
Priority to CN201911225081.4A priority Critical patent/CN110907168A/en
Publication of CN110907168A publication Critical patent/CN110907168A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts
    • G01M13/02Gearings; Transmission mechanisms
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere

Abstract

The invention discloses a test device, which is used for testing a gear selecting and shifting electric cylinder assembly and is characterized by comprising the following components: the support bracket is provided with a test station for placing the gear selecting and shifting electric cylinder assembly; the driving piece is arranged above the test station, and the output end of the driving piece moves towards the direction close to or far away from the test station, wherein the driving piece is connected with the supporting bracket; the detection piece is connected with the output end of the driving piece; and the controller is electrically connected with the detection piece. According to the technical scheme, manual operation is replaced by the driving piece, the driving piece drives the detection piece to detect the gear selecting and shifting electric cylinder assembly, and therefore the precision of the detection result of the detection piece is improved.

Description

Testing device
Technical Field
The invention relates to the technical field of automobile equipment, in particular to a test device.
Background
The gear selecting and shifting electric cylinder assembly (electromagnet) is a gear shifting actuating mechanism in an AMT (automated mechanical transmission) and is an essential part in the transmission. The performance of the electric transmission can be strictly verified to ensure the development and the mass production of the transmission, however, in the test of the gear selecting and shifting electric cylinder assembly (electromagnet), the test is often manually operated and tested by an operator, so that the precision of the test result of the gear selecting and shifting electric cylinder assembly is not high, and the type selection of the gear selecting and shifting electric cylinder assembly (electromagnet) is influenced.
Disclosure of Invention
The invention mainly aims to provide a test device, and aims to solve the technical problem that the result precision of a gear selecting and shifting electric cylinder assembly is low through manual test.
In order to achieve the above object, the present invention provides a testing apparatus for testing a gear selecting and shifting electric cylinder assembly, wherein the testing apparatus comprises:
the support bracket is provided with a test station for placing the gear selecting and shifting electric cylinder assembly;
the driving piece is arranged above the test station, and the output end of the driving piece moves towards the direction close to or far away from the test station, wherein the driving piece is connected with the supporting bracket;
the detection piece is connected with the output end of the driving piece;
and the controller is electrically connected with the detection piece.
Optionally, the detection piece includes connecting block and pressure sensor, the connecting block with the output of driving piece is connected, pressure sensor set up in on the connecting block, just pressure sensor's test end orientation test station, pressure sensor with controller electric connection.
Optionally, the drive is an electric cylinder.
Optionally, the testing device further comprises a temperature sensor, the temperature sensor is arranged on the gear selecting and shifting electric cylinder assembly, and the temperature sensor is electrically connected with the controller.
Optionally, the testing device further includes a current sensor, and the current sensor is electrically connected to the controller and is configured to detect an operating current of the selective switching cylinder assembly.
Optionally, the test device further comprises a peripheral protective net, the peripheral protective net is arranged on the periphery of the supporting bracket and is wrapped around the supporting bracket, a doorway is formed in the peripheral protective net, and a door plate is arranged on the doorway.
Optionally, a contact switch is arranged on the peripheral protective screening, the contact switch is located on the doorway, a trigger end of the contact switch faces the door panel, and the contact switch is electrically connected with the controller.
Optionally, the support bracket is provided with at least two positioning holes near the testing station, the two positioning holes are arranged around the testing station, and the positioning holes are provided with positioning pins.
Optionally, the support bracket includes a bottom plate disposed at the bottom of the support bracket, the bottom plate is provided with at least three suckers, and the suction ends of the suckers face away from the driving member.
Optionally, the suction cup is a vacuum cup.
According to the technical scheme, the detection piece is connected to the driving piece, the driving piece pushes the detection piece to move to the test station so as to measure the data parameters of the gear selecting and shifting electric cylinder assembly, manual operation is replaced by the driving piece, the driving piece drives the detection piece to detect the gear selecting and shifting electric cylinder assembly, the precision of the detection result of the detection piece is improved, and data are accurate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of the forward structure of the test apparatus;
FIG. 2 is a schematic elevation view of the experimental setup;
FIG. 3 is a schematic structural view of the test device with a protective cover added.
The reference numbers illustrate:
Figure BDA0002297681670000021
Figure BDA0002297681670000031
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
In order to overcome the problem that the precision of a test result is not high due to the fact that a manual operation is used for testing the gear selecting and shifting electric cylinder assembly, the application provides a testing device, manual operation is replaced by a driving piece 1, the driving piece 1 drives a detecting piece 3 to detect the gear selecting and shifting electric cylinder assembly 5, and then the precision of the detection result of the detecting piece 3 is improved, please refer to fig. 1-3, wherein the testing device comprises:
the gear selecting and shifting electric cylinder assembly comprises a supporting bracket 2, wherein a testing station for placing the gear selecting and shifting electric cylinder assembly 5 is arranged on the supporting bracket 2;
the driving piece 1 is arranged above the test station, the output end of the driving piece 1 moves towards the direction close to or far away from the test station, and the driving piece 1 is connected with the supporting bracket 2;
the detection piece 3 is connected with the output end of the driving piece 1;
and the controller is electrically connected with the detection piece 3.
The supporting bracket 2 comprises a bottom plate 7, a top plate and at least two supporting columns 4, the supporting columns 4 are connected between the bottom plate 7 and the top plate, the bottom plate 7 and the top plate are connected through the supporting columns 4 to form the integral supporting bracket 2, the top plate is provided with braking holes, the driving piece 1 is installed at the braking holes, the output end of the driving piece 1 penetrates through the braking holes, each supporting column 4 is provided with a supporting plate 6, the supporting plane of each supporting plate 6 is parallel to the bottom plate 7, the supporting plates 6 extend towards the adjacent supporting columns 4, so that each supporting plate 6 is enclosed into an accommodating channel, the test station is arranged at the accommodating channel, the gear selecting and shifting electric cylinder assembly 5 is placed at the accommodating channel, and the gear selecting and shifting electric cylinder assembly 5 is connected with each supporting plate 6, the accommodating channel is opposite to the braking hole, and the output end of the driving piece 1 penetrates through the braking hole and reaches the Xuanwudong electric cylinder assembly on the accommodating channel.
The supporting plate 6 is provided with at least two positioning holes, the positioning holes are positioned at the joint of the supporting plate 6 and the gear selecting and shifting electric cylinder assembly 5, the gear selecting and shifting electric cylinder assembly 5 is provided with fixing holes corresponding to the positioning holes, and the gear selecting and shifting electric cylinder assembly 5 is fixed with the supporting plate 6 by a positioning pin penetrating through the positioning holes and the fixing holes, wherein the positioning holes and the fixing holes can also be fixed through screws; certainly, the positioning column is convexly arranged on the gear selecting and shifting electric cylinder assembly 5, at least two positioning holes are formed in the supporting plate 6, the positioning column is opposite to the positioning holes, and the positioning column penetrates through the positioning holes, so that the gear selecting and shifting electric cylinder assembly 5 is fixed to the supporting plate 6. The plurality of positioning holes comprise 2, 3 and 4 … … positioning holes, so that the aim of improving the mounting firmness of the gear selecting and shifting electric cylinder assembly 5 and the supporting plate 6 is fulfilled.
The backup pad 6 with select the mode that the electric cylinder assembly 5 of shifting still can choose the joint to be connected, select the protruding trip that is equipped with of electric cylinder assembly 5 of shifting, the trip include the kelly and with the fixture block that the kelly is connected, the kelly is followed select the electric cylinder assembly 5 of shifting to prolong and stretch out, just the extension end-to-end connection of kelly the fixture block, the kelly with the fixture block makes up and colludes the form the trip, seted up in the backup pad 6 with the trip is corresponding the card hole, the trip card is gone into in the card hole, so that backup pad 6 with select the 5 joints of electric cylinder assembly of shifting.
The driving piece 1 is an electric cylinder, the electric cylinder is connected on the supporting bracket 2, just the output of the electric cylinder faces the test station, after the electric cylinder is electrified, the output of the electric cylinder faces and is close to or away from the test station to move, the detection piece 3 is connected at the output of the electric cylinder, so as to pass through the electric cylinder pushes the detection piece 3 to detect the data parameters of the gear selecting and shifting electric cylinder assembly 5.
The driving piece 1 can also be a ball screw, the ball screw comprises a nut and a screw rod which is rotatably connected to the nut, the nut is connected to the supporting bracket 2, the screw rod is in the nut, the screw rod moves towards the gear selecting and shifting electric cylinder assembly 5 to move close to or away from the gear selecting and shifting electric cylinder assembly 5, one end of the screw rod close to the gear selecting and shifting electric cylinder assembly 5 is connected with a detection piece 3, so that the rotation linear motion of the screw rod pushes the detection piece 3 to detect the data parameters of the gear selecting and shifting electric cylinder assembly 5.
The detection part 3 comprises a connecting block and a pressure sensor, the connecting block is connected to the output end of the electric cylinder, the pressure sensor is connected to the connecting block, so that the pressure sensor is connected to the output end of the electric cylinder through the connecting block, wherein the testing end of the pressure sensor faces to the testing station, the electric cylinder pushes the pressure sensor to move towards or away from the gear selecting and shifting assembly, when the electric cylinder pushes the pressure sensor to move towards and towards the gear selecting and shifting electric cylinder assembly 5, the pressure sensor is pushed to apply pressure to the gear selecting and shifting assembly through the output end of the electric cylinder, so that the pressure sensor measures pressure data, the pressure sensor is electrically connected with the controller, the pressure sensor transmits the measured pressure data to the controller, and the controller outputs the pressure data, for the operator to read.
The testing device further comprises a temperature sensor, the gear selecting and shifting electric cylinder assembly 5 and the supporting plate 6 are installed, the temperature sensor is placed on the gear selecting and shifting electric cylinder assembly 5, temperature data of the gear selecting and shifting electric cylinder assembly 5 are measured through the temperature sensor, the temperature sensor is electrically connected with the controller, the temperature data are transmitted to the controller through the temperature sensor, and the controller outputs the temperature data to be read by an operator.
After the gear selecting and shifting electric cylinder assembly 5 is fixed on the supporting bracket 2, the gear selecting and shifting electric cylinder assembly 5 is electrified so as to enable the gear selecting and shifting electric cylinder assembly 5 to operate, and then the operating parameters of the gear selecting and shifting electric cylinder assembly 5 are measured through various sensors.
The testing device further comprises a current sensor, the current sensor is connected to a conducting circuit of the gear selecting and shifting electric cylinder assembly 5, the current sensor is connected with the gear selecting and shifting electric cylinder assembly 5 in series, so that the running current of the gear selecting and shifting electric cylinder assembly 5 is measured through the current sensor to obtain the running current of the gear selecting and shifting electric cylinder assembly 5, the current sensor is further electrically connected with the controller, the current sensor transmits the measured running current to the controller, and the controller outputs the running current to be read by an operator.
The bottom plate 7 facial make-up is equipped with at least three sucking disc 8, sucking disc 8 encloses synthetic triangular support region, sucking disc 8's absorption direction is towards deviating from the moving direction of the output of driving piece 1, so that when the output of driving piece 1 removed, sucking disc 8's adsorption affinity supported support 2, that is to say, when testing device placed, sucking disc 8 adsorbs testing device's the plane of placing, through sucking disc 8's adsorption affinity is in order to provide support 2's stability, wherein, sucking disc 8 is vacuum chuck 8, vacuum chuck 8 place in when testing device's the plane of placing, through the vacuum apparatus suction vacuum chuck 8 makes produce negative pressure in the vacuum chuck 8 to will treat vacuum chuck 8 with testing device's the plane of placing adsorbs firmly. The plurality of suction cups 8 according to the invention, wherein "plurality" comprises 2, 3, 4 … … suction cups 8, for the purpose of increasing the stability of the test device in placement.
The testing device further comprises a peripheral protective net 9, the peripheral protective net 9 is arranged on the periphery of the supporting support 2, the peripheral protective net 9 is wrapped around the supporting support 2 to protect the supporting support 2, a door is arranged on the peripheral protective net 9, a door plate is arranged on the door, and an operator opens the door plate to operate the testing operation on the supporting support 2.
In order to avoid that the door panel is not closed tightly at the doorway, a contact switch is arranged at the doorway of the peripheral protective net 9, a trigger end of the contact switch faces the door panel, when the door panel is closed tightly at the doorway, the contact switch triggers a contact signal, the contact switch is electrically connected with the controller, the contact signal is transmitted to the controller, and the contact signal is output by the controller, so that an operator can know the connection state of the door panel and the doorway through the contact signal, and when the door panel is not closed tightly at the doorway, the controller does not receive the contact signal and triggers prompt information that the doorway is not closed tightly, so that the operator is reminded of closing the door panel tightly with the doorway.
In order to increase the ventilation capacity of the peripheral protective net 9, the peripheral protective net 9 is in a fence shape, a plurality of ventilation holes are formed in the fence shape, and the air in the peripheral protective net 9 and the air outside the peripheral protective net 9 are communicated through the ventilation holes.
When the gear selecting and shifting electric cylinder assembly 5 is tested, heat generated when the gear selecting and shifting electric cylinder assembly 5 operates is avoided, in order to avoid the influence of the heat on the testing work of the detecting piece 3, the temperature sensor and the current sensor, at least one exhaust fan is arranged on the peripheral protective screening 9, an air inlet of the exhaust fan is located in the testing device, and an air outlet of the exhaust fan is located outside the testing device, wherein the exhaust fan is electrically connected with the controller, when the gear selecting and shifting electric cylinder assembly 5 is started and operated, the controller is connected with a power supply of the exhaust fan, and the exhaust fan operates and discharges hot gas in the peripheral protective screening 9, so that the gas in the peripheral protective screening 9 can be circulated.
Certainly, a plurality of exhaust fans are further installed on the peripheral protection net 9, the exhaust fans are respectively arranged on the peripheral protection net 9, the exhaust fans run together to increase the flow rate of gas in the peripheral protection net 9, the exhaust fans are simultaneously and electrically connected with the controller, the controller controls the exhaust fans to run, the controller selects the running number of the exhaust fans according to the data volume measured by the detection piece 3, the temperature sensor and the current sensor, and therefore the heat dissipation effect is improved while energy consumption is saved.
This embodiment is through connecting detection piece 3 on driving piece 1, through driving piece 1 promotes detection piece 3 to remove on the test station to record the data parameter of selecting the electric cylinder assembly 5 of shifting, replace manual operation through driving piece 1, driving piece 1 drive detection piece 3 detects selecting the electric cylinder assembly 5 of shifting, and then improves the precision of detection piece 3 testing result, and then makes data more accurate.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. A test device for testing a gear selecting and shifting electric cylinder assembly, the test device comprising:
the support bracket is provided with a test station for placing the gear selecting and shifting electric cylinder assembly;
the driving piece is arranged above the test station, and the output end of the driving piece moves towards the direction close to or far away from the test station, wherein the driving piece is connected with the supporting bracket;
the detection piece is connected with the output end of the driving piece;
and the controller is electrically connected with the detection piece.
2. The testing device of claim 1, wherein the detecting member comprises a connecting block and a pressure sensor, the connecting block is connected to the output end of the driving member, the pressure sensor is disposed on the connecting block, the testing end of the pressure sensor faces the testing station, and the pressure sensor is electrically connected to the controller.
3. The test device of claim 1, wherein the drive member is an electric cylinder.
4. The testing device of claim 1, further comprising a temperature sensor disposed on the electric cylinder assembly, the temperature sensor being electrically connected to the controller.
5. The testing device of claim 1, further comprising a current sensor electrically connected to the controller for detecting an operating current of the selected cylinder assembly.
6. The testing apparatus according to claim 1, further comprising a peripheral protective net, wherein the peripheral protective net is disposed at the periphery of the supporting bracket and surrounds the supporting bracket, the peripheral protective net is provided with a doorway, and a door panel is disposed on the doorway.
7. The testing apparatus according to claim 6, wherein a contact switch is disposed on the external protection net, the contact switch is located on the door opening, an activation end of the contact switch faces the door panel, and the contact switch is electrically connected to the controller.
8. The testing device of claim 1, wherein the support bracket is provided with at least two positioning holes adjacent to the testing station, the two positioning holes are arranged around the testing station, and positioning pins are arranged on the positioning holes.
9. The testing apparatus as claimed in claim 1, wherein the support bracket comprises a bottom plate disposed at the bottom of the support bracket, the bottom plate being provided with at least three suction cups, the suction ends of the suction cups facing away from the driving member.
10. The test rig according to claim 9, wherein the suction cup is a vacuum cup.
CN201911225081.4A 2019-11-30 2019-11-30 Testing device Pending CN110907168A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112268669A (en) * 2020-10-13 2021-01-26 安徽江淮汽车集团股份有限公司 Spring test tool and spring test equipment
CN113188778A (en) * 2021-03-24 2021-07-30 华能铜川照金煤电有限公司 Novel pressure switch inspection device
CN115096633A (en) * 2022-08-23 2022-09-23 江苏万泰电机有限公司 Sliding table type electric cylinder detection device

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030178566A1 (en) * 2002-03-22 2003-09-25 Xtreme Technologies Gmbh Detector arrangement for energy measurement of pulsed x-ray radiation
CN1737524A (en) * 2004-08-20 2006-02-22 天津市天派工业自动化技术有限公司 Automobile automatic gear box key component oil pump experimental bench
CN101937033A (en) * 2010-07-23 2011-01-05 宁波市鄞州通力液压电器厂 Automatic testing device of performance of electromagnet for valve
CN201788240U (en) * 2010-07-23 2011-04-06 宁波市鄞州通力液压电器厂 Automatic tester for performance of valve electromagnet
CN202339389U (en) * 2012-01-19 2012-07-18 康卓彬德电磁技术(苏州)有限公司 Industrial general electromagnet function tester
CN207352142U (en) * 2017-10-30 2018-05-11 厦门迈斯磁电有限公司 A kind of electromagnet performance detection apparatus
CN109633497A (en) * 2019-01-03 2019-04-16 中车青岛四方机车车辆股份有限公司 A kind of electromagnet testing stand and detection platform
CN110501660A (en) * 2019-09-03 2019-11-26 浙江大学 A kind of multifunctional static electromagnet test device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030178566A1 (en) * 2002-03-22 2003-09-25 Xtreme Technologies Gmbh Detector arrangement for energy measurement of pulsed x-ray radiation
CN1737524A (en) * 2004-08-20 2006-02-22 天津市天派工业自动化技术有限公司 Automobile automatic gear box key component oil pump experimental bench
CN101937033A (en) * 2010-07-23 2011-01-05 宁波市鄞州通力液压电器厂 Automatic testing device of performance of electromagnet for valve
CN201788240U (en) * 2010-07-23 2011-04-06 宁波市鄞州通力液压电器厂 Automatic tester for performance of valve electromagnet
CN202339389U (en) * 2012-01-19 2012-07-18 康卓彬德电磁技术(苏州)有限公司 Industrial general electromagnet function tester
CN207352142U (en) * 2017-10-30 2018-05-11 厦门迈斯磁电有限公司 A kind of electromagnet performance detection apparatus
CN109633497A (en) * 2019-01-03 2019-04-16 中车青岛四方机车车辆股份有限公司 A kind of electromagnet testing stand and detection platform
CN110501660A (en) * 2019-09-03 2019-11-26 浙江大学 A kind of multifunctional static electromagnet test device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112268669A (en) * 2020-10-13 2021-01-26 安徽江淮汽车集团股份有限公司 Spring test tool and spring test equipment
CN112268669B (en) * 2020-10-13 2021-08-27 安徽江淮汽车集团股份有限公司 Spring test tool and spring test equipment
CN113188778A (en) * 2021-03-24 2021-07-30 华能铜川照金煤电有限公司 Novel pressure switch inspection device
CN115096633A (en) * 2022-08-23 2022-09-23 江苏万泰电机有限公司 Sliding table type electric cylinder detection device

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Application publication date: 20200324