Temperature testing device

Abstract

The utility model discloses a temperature testing device which comprises a frame body and an adjusting arm arranged on the frame body. A test assembly is arranged at the end part of the adjusting arm and comprises a test head connected with the adjusting arm; the test seat comprises a base mounted on the frame body, an adaptive cover arranged on the base and a plurality of test support pins arranged in the adaptive cover; and the adaptive cover is adaptive to the test head. According to the utility model, the test seat is designed for placing a test product, and the plurality of test support pins are designed for supporting the product placed in the test seat, so that the contact surface between the product and the air is improved, and compared with a traditional fitting mode, the contact surface is wider, and the test effect is better and more accurate.

Description

TECHNICAL FIELD

[0001] The utility model relates to test field, concretely is a temperature testing device, mainly for all kinds of semiconductor chips, flash memory Flash / EMMC, PCB circuit board's high and low temperature resistance test; BACKGROUND

[0002] Temperature impact testing device, mainly for completing to all kinds of semiconductor chips, flash memory Flash / EMMC, PCB circuit board IC optical communication high and low temperature impact test;

[0003] The current impact experiment device, including refrigeration module, drying module, heating module basically, the temperature control (high and low temperature) of air is completed by refrigeration module and heating module, air is dried by drying module, and the air after processing is injected to the product needing testing or the container of placing product;

[0004] And the existing product is detected basically, and is placed on the container or operation table surface, so that the back of the product is in contact with the operation table or the container contact surface is larger, so that the high-temperature gas or low-temperature gas is in contact with the air contact surface when the product is impacted and tested, the back of the product is attached to the operation table or the container, and the back of the product is attached to the operation table or the container. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a temperature testing device to solve the above problems existing in the prior art.

[0006] Technical scheme: a temperature testing device, comprising:

[0007] Frame body, adjustment arm arranged on the frame body;

[0008] The end of the adjustment arm is provided with a test assembly, and the test assembly comprises:

[0009] Test head connected with the adjustment arm;

[0010] Test seat, comprising a base mounted on the frame body, an adapter cover arranged on the base, and a plurality of test support needles arranged in the adapter cover;

[0011] The adapter cover is adapted to the test head.

[0012] The utility model discloses a test seat, and the test product is placed, and the product in the test seat is supported and placed by designing a plurality of test support needles, so that the contact surface of the product and the air is improved, and compared with the traditional attachment mode, the contact surface is wider, and the test effect is more accurate.

[0013] In a further embodiment, the frame body is provided with a refrigeration machine module, a dryer module in communication with the refrigeration machine module, and an air duct in communication with the dryer module.

[0014] In a further embodiment, the adjusting arm comprises:

[0015] A thrust cylinder is installed in the frame body.

[0016] A primary swing arm is hinged to the output end of the thrust cylinder.

[0017] A secondary swing arm is hinged to the end of the primary swing arm away from the thrust cylinder.

[0018] A linear module is connected to the end of the secondary swing arm away from the primary swing arm.

[0019] A support arm is installed on the secondary swing arm.

[0020] In a further embodiment, the test head comprises:

[0021] A heat preservation shell is connected to the linear module.

[0022] A heat insulation cavity is composed of a wind cover heat insulation shell connected to the heat preservation shell and a wind cover heat insulation plate installed at the bottom of the wind cover heat insulation shell.

[0023] A test wind cover is designed as a double layer and is connected to the wind cover heat insulation plate.

[0024] A test piece comprises an air heating pipe arranged in the heat preservation shell, a heat insulation column penetrating through the heat insulation cavity and in communication with the air heating pipe, and a metal telescopic probe arranged in the test wind cover and in communication with the heat insulation column.

[0025] The heat insulation column is sleeved on the metal telescopic probe, a return spring is arranged between the heat insulation column and the metal telescopic probe, and a gas outlet is formed in the side of the metal telescopic probe.

[0026] The heat preservation shell is designed to reduce energy consumption, and the test wind cover is designed to cover the test seat, so that the air is in contact with the test product for a longer time by inserting the adapter cover of the test seat into the gap of the double-layer test wind cover.

[0027] The heat insulation cavity and the heat insulation column are designed to avoid the influence of the air heating pipe on the metal telescopic probe and the test wind cover.

[0028] In a further embodiment, the wind cover heat insulation shell is provided with a heat insulation cavity dry air inlet and a wind cover exhaust port.

[0029] One end of the wind cover exhaust port extends into the test wind cover, and the other end extends out of the heat insulation cavity.

[0030] Prevent dew from forming in the adiabatic chamber due to temperature difference by designing the adiabatic chamber air inlet to prevent dew from forming in the adiabatic chamber due to temperature difference;

[0031] Design the air baffle exhaust port to discharge air, so that the internal air pressure of the test air baffle continuously increases after the test air baffle is matched with the test seat, and the test product is affected;

[0032] In a further embodiment, a bellows is arranged on the support arm, and the air pipe extends into the bellows and communicates with the air heating pipe and the adiabatic chamber air inlet.

[0033] Beneficial effects: The utility model discloses a temperature testing device, the utility model discloses a test seat is designed, and the test product is placed, and a plurality of test support needles are designed to support the product placed in the test seat, improve the contact surface of product and air, and compared with the traditional mode of sticking, the contact surface is wider, and the test effect is more accurate. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 It is the structural schematic diagram of the utility model.

[0035] Figure 2 It is the internal structure schematic diagram of the utility model.

[0036] Figure 3 It is the adjusting arm structure schematic diagram of the utility model.

[0037] Figure 4 It is the test head structure schematic diagram of the utility model.

[0038] Figure 5 It is the test head, test seat structure schematic diagram of the utility model.

[0039] The reference signs are:

[0040] 1, frame body;11, refrigerator module;12, dryer module;13, air pipe;

[0041] 2, adjusting arm;21, thrust cylinder;22, primary swing arm;23, secondary swing arm;24, support arm;25, bellows;26, linear module;

[0042] 3, test assembly;

[0043] 31, test head;311, heat preservation shell;312, air heating pipe;313, air baffle adiabatic shell;314, air baffle adiabatic plate;315, test air baffle;316, air baffle exhaust port;317, adiabatic chamber air inlet;318, adiabatic column;319, metal telescopic probe;

[0044] 32, test seat;321, base;322, matching cover;323, test support needle. DETAILED DESCRIPTION

[0045] The application relates to a temperature testing device, which is explained in detail below through a specific embodiment.

[0046] A temperature testing device comprises:

[0047] a frame body 1, an adjusting arm 2 arranged on the frame body 1,

[0048] an end portion of the adjusting arm 2 is provided with a testing assembly 3, and the testing assembly 3 comprises:

[0049] a testing head 31 connected with the adjusting arm 2,

[0050] a testing seat 32 comprising a base 321 mounted on the frame body 1, an adapter cover 322 arranged on the base 321, and a plurality of testing support needles 323 arranged in the adapter cover 322,

[0051] the adapter cover 322 is adapted to the testing head 31.

[0052] The testing seat 32 is designed to place a testing product, and the plurality of testing support needles 323 are designed to support the product placed in the testing seat 32, so that the contact surface of the product and air is improved, the contact surface is wider compared with a traditional adhering mode, and the testing effect is more accurate.

[0053] The frame body 1 is provided with a refrigerator module 11, a drying machine module 12 communicated with the refrigerator module 11, and an air pipe 13 communicated with the drying machine module 12.

[0054] A pump body is arranged on the air pipe 13 and used for controlling the flow of air in the air pipe 13.

[0055] The refrigerator module 11 and the drying machine module 12 are prior art, and a compression type refrigerator or other refrigerators can be selected, and a freezing type drying machine, an adsorption type drying machine and the like can be selected as the drying machine, and the specific selection can be selected according to actual working conditions, and the refrigerator module 11 and the drying machine module 12 are mainly used for refrigerating and drying air entering the air pipe 13.

[0056] Specifically, an output end of the refrigerator module 11 is connected with an input end of the drying machine module 12, and an output end of the drying machine module 12 is connected with the air pipe 13.

[0057] During work, air enters the refrigerator module 11 through an input end of the refrigerator module 11 to complete refrigeration, enters the drying machine module 12 through an output end of the refrigerator module 11 and an input end of the drying machine module 12 to complete drying, and then enters the air pipe 13 through an output end of the drying machine module 12.

[0058] The adjusting arm 2 comprises:

[0059] A thrust cylinder 21 is installed in the frame 1;

[0060] A primary swing arm 22 is hinged to the output end of the thrust cylinder 21;

[0061] A secondary swing arm 23 is hinged to the end of the primary swing arm 22 away from the thrust cylinder 21;

[0062] A linear module 26 is connected to the end of the secondary swing arm 23 away from the primary swing arm 22;

[0063] A support arm 24 is installed on the secondary swing arm 23.

[0064] The linear module 26 is a prior art for driving the test head 31 fixed on the linear module 26 to ascend, which can include a module frame connected with the secondary swing arm 23, a module motor installed on the module frame, a module lead screw arranged at the output end of the module motor, and a module slider sleeved on the module lead screw and matched with the module frame, the module slider being connected with a heat preservation shell 311 of the test head 31.

[0065] The position of the test head 31 can be adjusted by designing the adjustment arm 2;

[0066] The test head 31 comprises:

[0067] The heat preservation shell 311 is connected with the linear module 26;

[0068] The heat insulation cavity is composed of a wind cover heat insulation shell 313 connected with the heat preservation shell 311 and a wind cover heat insulation plate 314 installed at the bottom of the wind cover heat insulation shell 313;

[0069] The test wind cover 315 is designed as a double layer and is connected with the wind cover heat insulation plate 314;

[0070] The test piece comprises an air heating pipe 312 arranged in the heat preservation shell 311, a heat insulation column 318 penetrating through the heat insulation cavity and communicating with the air heating pipe 312, and a metal telescopic probe 319 arranged in the test wind cover 315 and communicating with the heat insulation column 318;

[0071] The heat insulation column 318 is sleeved on the metal telescopic probe 319, a reset spring is arranged between the heat insulation column 318 and the metal telescopic probe 319, and a gas outlet is formed in the side of the metal telescopic probe 319.

[0072] The air heating pipe 312 is a prior art and can be selected according to actual needs, which is mainly used for heating air;

[0073] The energy consumption is reduced by designing the heat preservation shell 311, and the test wind cover 315 is designed to cover the product in the test seat 32. The air contacts the test product for a longer time by inserting the adapter cover 322 of the test seat 32 into the gap of the double-layer test wind cover 315;

[0074] The heat insulation cavity and the heat insulation column 318 are designed to avoid the influence of the air heating pipe 312 on the metal telescopic probe 319 and the test wind cover 315;

[0075] The heat preservation shell 313 of the wind cover is provided with a heat insulation cavity dry air inlet 317 and a wind cover exhaust port 316;

[0076] One end of the wind cover exhaust port 316 extends into the test wind cover 315, and the other end extends out of the heat insulation cavity.

[0077] The heat insulation cavity dry air inlet 317 is designed to prevent dew condensation in the heat insulation cavity caused by temperature difference;

[0078] The wind cover exhaust port 316 is designed to exhaust air, so as to avoid the continuous injection of air inside the test wind cover 315 and the test seat 32 after the adapter, which continuously increases the internal air pressure and affects the test product;

[0079] The support arm 24 is provided with a bellows 25, and the air pipe 13 extends into the bellows 25 and communicates with the air heating pipe 312 and the heat insulation cavity dry air inlet 317.

[0080] Working principle: when working, the relative position of the test head 31 and the test seat 32 is adjusted by adjusting the arm 2, the first swing arm 22 is lifted by the thrust cylinder 21, the appropriate height is adjusted, the test head 31 is adjusted to the appropriate position by the staff swinging the first swing arm 22 and the second swing arm 23, the test head 31 is adapted to the test base 321 by the linear module 26, the product to be tested is placed on the test support needle 323 before adaptation, and the adapter cover 322 is inserted into the double-layer test wind cover 315 during adaptation;

[0081] When high-temperature testing is required, the air is dried by the drying unit, the dried air enters the air heating pipe 312 through the air pipe 13, the air heating pipe 312 works to heat the air, the heated air enters the metal telescopic probe 319 through the heat insulation column 318, is discharged through the air outlet, and enters the cavity formed by the test wind cover 315 and the test seat 32, so as to complete the high-temperature testing of the product to be tested;

[0082] During low-temperature test, the air is cooled by the refrigerating unit and dried by the drying unit, the dried air enters the air heating pipe 312, the air heating pipe 312 stops working, the low-temperature air enters the metal telescopic probe 319 through the heat insulation column 318, is discharged through the air outlet and enters the cavity formed by the test wind cover 315 and the test resistance, thereby completing the low-temperature test of the product to be tested.

[0083] The preferred embodiments of the present application are described in detail above with reference to the drawings, but the present application is not limited to the specific details in the above-described embodiments, and various equivalent transformations can be made to the technical solutions of the present application within the technical concept of the present application, and these equivalent transformations all belong to the protection scope of the present application.

Claims

1. A temperature testing device, comprising: a frame (1), an adjusting arm (2) arranged on the frame (1); characterized in that an end of the adjusting arm (2) is provided with a testing assembly (3), the testing assembly (3) comprising: a testing head (31) connected with the adjusting arm (2); a testing seat (32) comprising a base (321) mounted on the frame (1), an adapter cover (322) arranged on the base (321), and a plurality of testing support pins (323) arranged in the adapter cover (322); the adapter cover (322) is adapted to the testing head (31).

2. The temperature testing device of claim 1, wherein: a refrigeration module (11) is arranged in the frame (1), a drying module (12) in communication with the refrigeration module (11), and an air pipe (13) in communication with the drying module (12).

3. The temperature testing device of claim 2, wherein: the adjusting arm (2) comprises: a thrust cylinder (21) mounted in the frame (1); a primary swing arm (22) hinged to an output end of the thrust cylinder (21); a secondary swing arm (23) hinged to an end of the primary swing arm (22) away from the thrust cylinder (21); a linear module (26) connected to an end of the secondary swing arm (23) away from the primary swing arm (22); a support arm (24) mounted on the secondary swing arm (23).

4. The temperature testing device of claim 3, wherein: the testing head (31) comprises: a heat preservation shell (311) connected with the linear module (26); a heat insulation cavity composed of a wind cover heat insulation shell (313) connected with the heat preservation shell (311) and a wind cover heat insulation plate (314) mounted on a bottom of the wind cover heat insulation shell (313); a testing wind cover (315) designed as double layers and connected with the wind cover heat insulation plate (314); a testing piece comprising an air heating pipe (312) arranged in the heat preservation shell (311), a heat insulation column (318) penetrating through the heat insulation cavity and in communication with the air heating pipe (312), and a metal telescopic probe (319) arranged in the testing wind cover (315) and in communication with the heat insulation column (318); the heat insulation column (318) is sleeved on the metal telescopic probe (319), a return spring is arranged between the heat insulation column (318) and the metal telescopic probe (319), and a gas outlet is formed in a side of the metal telescopic probe (319).

5. The temperature testing device of claim 4, wherein: the wind cover heat insulation shell (313) is provided with a heat insulation cavity dry air inlet (317) and a wind cover air outlet (316); an end of the wind cover air outlet (316) extends into the testing wind cover (315), and the other end extends out of the heat insulation cavity.

6. The temperature testing device of claim 5, wherein: a bellows (25) is arranged on the support arm (24), the air pipe (13) extends into the bellows (25) and is in communication with the air heating pipe (312) and the heat insulation cavity dry air inlet (317).

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