CN218854322U

CN218854322U - Split type high-low temperature alternating test box

Info

Publication number: CN218854322U
Application number: CN202223304113.XU
Authority: CN
Inventors: 孙光林
Original assignee: SHANGHAI LINPIN INSTRUMENT STOCK CO Ltd
Current assignee: SHANGHAI LINPIN INSTRUMENT STOCK CO Ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-04-14
Anticipated expiration: 2032-12-09

Abstract

The utility model relates to a split type high low temperature alternation proof box, including main box body and test area, connect through the circulated air pipeline between main box body and the test area, the test area is formed by left frame and right frame concatenation, the test area middle part is reserved to have a sample import and export, right frame bottom right side position between two parties has seted up the return air butt joint, right frame top position at the right side has seted up the air inlet butt joint, be connected to the air outlet of main box body, the return air inlet respectively through the pipeline, air outlet department installs positive and negative rotation axial compressor motor, positive and negative rotation axial compressor motor output end has installed positive and negative rotation axial compressor fan blade, main box body rear side is installed the self-circulation motor, self-circulation motor output end has installed the self-circulation fan blade, the test area is fixed on the over-and-under type support frame that can translate, over-and-under-type support frame is the adjustable support frame from top to bottom; the utility model discloses can be according to the direct moving as a whole of the difference of installation form and go up and down, saved the ground space simultaneously, equipment vibration is little, and is littleer to the interference of sample, more does benefit to the test of sample.

Description

Split type high-low temperature alternating test box

[ technical field ]

The utility model belongs to the technical field of proof box technique and specifically relates to a split type high low temperature alternation proof box.

[ background art ]

The split high-low temperature alternating test box is suitable for high-low temperature alternating tests of high-precision elements such as electrical and electronic elements, aerospace elements, communication components and the like in a non-static or static state. The test was performed rigorously: GB-2423.71-2008 and IEC60068-2-1 test standards; by such tests, the product can be tested for reliability, durability, longevity and related quality control of different products under high and low temperature cycling conditions.

But because the current test box producer all fixes equipment through the short distance basically, then dismantle the sample after carrying out the components of a whole that can function independently and place the test box, and traditional split type high low temperature test box has following shortcoming: the test product has large limitation and more controlled conditions; the split type floor space is large, which is not beneficial to actual field installation and movement; the refrigeration effect is low in energy utilization rate and large in power consumption due to the real-time distance of the split bodies; the environment, temperature, wind resistance coefficient, height, atmospheric pressure and other parameters of the product simulation are slightly different from the actual using environment; the vibration generated by the system is too large, but most electronic products cannot bear the too large vibration, so that the sample test is not facilitated; handling test boxes is complicated and requires assistance from large mechanical equipment or multiple manual aids.

[ contents of utility model ]

The utility model aims at solving foretell not enough and providing a split type high low temperature alternation proof box, its test area light in weight can save the ground space simultaneously according to the direct moving as a whole of the difference of mounting form and lift, and equipment vibration is little, and is littleer to the interference of sample, more does benefit to the test of sample.

The split high-low temperature alternating test box comprises a main box body 21 and a test area, wherein the main box body 21 and the test area are of a split structure, the main box body 21 and the test area are connected through a circulating air pipeline, the test area is formed by splicing a left frame 22 and a right frame 23, a sample inlet and a sample outlet are reserved in the middle of the test area, a sample butt flange 19 is installed at the sample inlet and outlet, a return air butt joint port 15 is arranged at the right side of the bottom of the right frame 23, an air inlet butt joint port 16 is arranged at the right side of the top of the right frame 23, the air inlet butt joint port 16 and the return air butt joint port 15 are respectively used for feeding hot air and discharging cold air, the air inlet butt joint port 16 and the return air butt joint port 15 are respectively connected to an air outlet and a return air inlet of the main box body 21 through pipelines, the air outlet and the return air inlet are both arranged on the side surface of the main box body 21, a forward-reverse axial flow motor 1 is installed at the air outlet, the forward-reverse axial flow motor 1 is used for feeding air and sucking air, an output end of the forward-reverse axial flow motor 1 is provided with a forward-reverse axial flow fan blade 10, a self-reverse flow adjusting motor 9 is installed on the rear side of the main box body, and a lifting type test support frame is fixed on the lifting type test area, and a lifting type test support frame capable of lifting test area.

Further, handle one is installed at left side frame 22 top, buckle one 18 is all installed to preceding, the rear end in left side frame 22 top, buckle two 20 is all installed to preceding, the rear end in left side frame 22 bottom, handle two is installed at right side frame 23 top, draw-in groove one 17 is all installed to preceding, the rear end in right side frame 23 top, draw-in groove two 14 is all installed to preceding, the rear end in right side frame 23 bottom, draw-in groove one 17, draw-in groove two 14 dock with buckle one 18, buckle two 20 respectively to make left side frame 22 splice more convenient, more reliably with right frame 23.

Further, a left semicircular hole is reserved in the middle of the right side of the left frame 22, a right semicircular hole is reserved in the middle of the left side of the right frame 23, and the left semicircular hole and the right semicircular hole form a sample inlet and outlet after the left frame 22 and the right frame 23 are spliced.

Further, air inlet interface 16, return air interface 15 are the clamp connection mode, clamp one, clamp two are installed respectively to air inlet interface 16, return air interface 15 to through clamp one, clamp two connecting tube.

Further, an air outlet hoop 3 and a return air inlet hoop 4 are respectively installed at an air outlet and a return air inlet on the side face of the main box body 21, the air outlet hoop 3 and the return air inlet hoop 4 are respectively connected with an air outlet pipe 11 and a return air pipe 6, and the air outlet pipe 11 and the return air pipe 6 are respectively installed on the side face of the main box body 21 through an air outlet flange 13 and a return air inlet flange 5.

Further, the positive and negative rotation axial flow fan blades 10 in the main box body 21 are arranged perpendicular to the wind direction of the self-circulation fan blades 12, and an evaporator 7 and a heater 8 are arranged below the positive and negative rotation axial flow fan blades 10 and the self-circulation fan blades 12 in the main box body 21.

Furthermore, the lifting support frame comprises a support base and a lifting and contracting rod arranged on the support base, the test area is arranged at the top end of the lifting and contracting rod, an expansion spring is sleeved on the periphery of the lifting and contracting rod, and a translation pulley is arranged below the support base.

Compared with the prior art, the utility model, have following advantage:

(1) The test area of the utility model can be placed in parallel with the main body of the test box, and can also be placed at the top of the box body according to the requirements, different products can automatically design the placing positions of the equipment according to the difference of test samples, and the test area is flexible and changeable, namely, the available products can be made into a variable, and can be automatically combined according to the requirements at any time and any place, thereby not only saving the ground space, but also achieving the purposes of one machine;

(2) The device in the test area of the utility model has light weight, can move by hand or be supported by a movable platform, and has very simple and convenient operation;

(3) The utility model can effectively save power consumption, reduce energy consumption, and simultaneously can more quickly reach the temperature test point required by the test, thereby saving cost;

(4) The temperature, humidity and pressure environment simulated by the utility model can be matched with the real-time use place of the sample in real time, thereby ensuring the effectiveness and practicability of the test;

(5) The utility model has the advantages that the vibration of the device is small, the interference to the sample is small, and the sample testing is more facilitated;

(6) The device of the utility model is simple to control, the operation interface is simple and easy to operate, and complicated program setting and programming setting can be avoided;

(7) The utility model discloses save the cost of labor, removed the installation and the dismantlement that equipment relapse from, can direct bulk movement according to the difference of mounting form.

[ description of the drawings ]

FIG. 1 is a schematic top view of the main box of the present invention;

FIG. 2 is a schematic diagram of the front structure of the test area of the present invention;

FIG. 3 is a schematic side view of the main body of the present invention;

fig. 4 is a schematic structural diagram of the present invention;

in the figure: 1. the device comprises a forward and reverse rotation axial flow motor 2, a box body side butt joint pipe 3, an air outlet hoop 4, a return air inlet hoop 5, a return air inlet flange 6, a return air pipe 7, an evaporator 8, a heater 9, a self-circulation motor 10, a forward and reverse rotation axial flow fan blade 11, an air outlet pipe 12, a self-circulation fan blade 13, an air outlet flange 14, a clamping groove II 15, a return air butt joint 16, an air inlet butt joint 17, a clamping groove I18, a clamping groove I19, a sample butt joint flange 20, a clamping groove II 21, a main box body 22, a left frame 23 and a right frame.

[ detailed description of the invention ]

The invention is further described below with reference to the accompanying drawings:

as shown in fig. 1 to fig. 4, the utility model provides a split type high low temperature alternation proof box, including main tank 21 and test area, main tank 21 is split type structure with the test area, be connected through the circulated air pipeline between main tank 21 and the test area, the test area is formed by left frame 22 and the concatenation of right frame 23, the test area middle part is reserved has the sample import and export, sample access port department installs sample docking flange 19, right frame 23 bottom right side position between the middle has seted up return air interface 15, right frame 23 top right side position has seted up air inlet interface 16, return air interface 15 is used for hot-blast business turn over and cold wind respectively, air inlet interface 16, return air interface 15 is respectively through the air outlet of pipe connection to main tank 21, the return air outlet, the return air is all seted up in main tank 21 side, air outlet department installs positive and negative rotation axial motor 1, positive and negative rotation axial motor 1 is used for air supply and cold wind, the output of positive and negative rotation axial motor 1 has installed positive and negative rotation axial compressor 10, main tank 21 installs self-circulation motor 9 in the rear side, the output of self-regulation formula is installed from the self-circulation motor 9, the lift formula can fix on the lift support frame and can be the lift direct lift up and down according to the lift formula of the lift test area, thereby the whole removal support frame is the lift type is installed.

The top of the left frame 22 is provided with a first lifting handle, the front end and the rear end of the top of the left frame 22 are provided with a first buckle 18, the front end and the rear end of the bottom of the left frame 22 are provided with a second buckle 20, the top of the right frame 23 is provided with a second lifting handle, the front end and the rear end of the top of the right frame 23 are provided with a first clamping groove 17, the front end and the rear end of the bottom of the right frame 23 are provided with a second clamping groove 14, and the first clamping groove 17 and the second clamping groove 14 are respectively butted with the first buckle 18 and the second buckle 20, so that the left frame 22 and the right frame 23 can be spliced more conveniently and reliably; a left semicircular hole is reserved in the middle of the right side of the left frame 22, a right semicircular hole is reserved in the middle of the left side of the right frame 23, and the left semicircular hole and the right semicircular hole form a sample inlet and a sample outlet after the left frame 22 and the right frame 23 are spliced.

The air inlet butt joint port 16 and the air return butt joint port 15 are in a clamp connection mode, and the air inlet butt joint port 16 and the air return butt joint port 15 are respectively provided with a clamp I and a clamp II and are connected with a pipeline through the clamp I and the clamp II. Air outlet clamp 3, return air inlet clamp 4 are installed respectively to the air outlet of the main tank 21 side, return air inlet to connect out tuber pipe 11, return air duct 6 respectively through air outlet clamp 3, return air inlet clamp 4, go out tuber pipe 11, return air duct 6 and install in the main tank 21 side through air outlet flange 13, return air inlet flange 5 respectively. The positive and negative rotation axial flow fan blades 10 in the main box body 21 are arranged perpendicular to the wind direction of the self-circulation fan blades 12, and the evaporator 7 and the heater 8 are arranged below the positive and negative rotation axial flow fan blades 10 and the self-circulation fan blades 12 in the main box body 21. The lifting type support frame comprises a support base and a lifting and contracting rod arranged on the support base, a test area is arranged at the top end of the lifting and contracting rod, an expansion spring is sleeved on the periphery of the lifting and contracting rod, and a translation pulley is arranged below the support base.

The utility model provides an economical and humanized movable split type test box, which is divided into a main box body part, a split type test area, a circulating air pipeline and a movable or lifting type platform processing system, aiming at the defects of complex operation, slightly displayed difference of real-time environment, vibration influence test effect and the like of the conventional split type high-low temperature alternating test box; the test is divided into left frame and right frame combination, left frame from top to bottom installs top handle one in proper order, top front end buckle, top rear end buckle, bottom front end buckle, bottom rear end buckle, and is symmetrical with the left side, right frame from top to bottom installs top handle two in proper order, top front end draw-in groove (dock with top front end buckle), top rear end draw-in groove (dock with top rear end buckle), bottom front end draw-in groove (dock with bottom front end buckle), bottom rear end draw-in groove (dock with bottom rear end buckle), a pair of one dock assemble can.

The left frame and the right frame are spliced into an integrated test area, a reserved sample inlet and outlet and a butt flange are arranged between the left frame and the right frame, the inlet and outlet are non-fixed (the inlet and outlet can be changed randomly), and pipeline connectors are arranged in the middle of the right side of the bottom of the right frame and on the right side of the top of the right frame and used for inlet and outlet of hot air and cold air; the interface is in a clamp connection mode, and is divided into a clamp I and a clamp II from top to bottom on the right, and the clamp I and the clamp II are respectively and correspondingly connected to an inlet air pipe and an outlet air pipe of the test box; the test box is internally provided with a reversible high and low temperature resistant axial flow fan for air supply and air suction. The test area is fixed on the translational lifting type support frame, the support frame can be adjusted up and down, the corresponding pipeline can also be adjusted along with the height, the test area can be horizontally moved along with the test box main body when certain special samples are not moved, and the test is completed by moving the whole split type test equipment.

When the test system is implemented specifically, the test assembly is completely wrapped by the test area, and then the main body is connected with the test area by the circulating air pipeline to form a closed-loop control system; the system refrigeration system adopts double-machine cascade refrigeration, utilizes a heat energy law and a refrigeration quantity calculation formula corresponding to heating and refrigeration, fully utilizes the scientific theory that cold air is downward and hot air is upward, when equipment is used for a low-temperature test, a pipeline fan is reversely rotated, when the equipment is used for a high-temperature test, the pipeline fan is forwardly rotated to form air draft and air exhaust for a test area, and different working conditions correspond to different test types.

The device in the test area of the utility model has light weight and can move by hand or be supported by a movable platform; the test area can be placed in parallel with the test box body, and can also be placed at the top of the box body according to requirements, different products can be automatically designed into equipment placing positions according to the difference of test samples, the test area is flexible and changeable, namely, the available products can be made into a variable and can be automatically combined according to the requirements at any time and any place, the ground space is saved, and meanwhile, the multipurpose of one machine can be achieved; the device is specially designed for air draft and air exhaust corresponding to the test type, so that the power consumption can be effectively saved, the energy consumption can be reduced, meanwhile, the temperature test points required by the test can be reached more quickly, and the cost is saved; the simulated temperature, humidity and pressure environment can be matched with the real-time use place of the sample in real time, so that the effectiveness and the practicability of the test are ensured; the device has small vibration, less interference on the sample, more contribution to the test of the sample, simple control of the device, simple and easily accessible operation interface, and avoidance of complicated and tedious program setting and programming setting; the labor cost is saved, repeated installation and disassembly of the equipment are avoided, and the whole equipment can be directly moved according to different installation forms.

The present invention is not limited by the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and are all included in the protection scope of the present invention.

Claims

1. The utility model provides a split type high low temperature alternation proof box which characterized in that: comprises a main box body (21) and a test area, wherein the main box body (21) and the test area are of a split structure, the main box body (21) is connected with a test area through a circulating air pipeline, the test area is formed by splicing a left frame (22) and a right frame (23), a sample inlet and a sample outlet are reserved in the middle of the test area, a sample butt flange (19) is arranged at the sample inlet and the sample outlet, a return air butt joint port (15) is arranged at the right middle position of the bottom of the right frame (23), an air inlet butt joint port (16) is arranged at the right side position of the top of the right frame (23), the air inlet butt joint port (16) and the air return butt joint port (15) are respectively used for inlet and outlet of hot air and cold air, the air inlet butt joint port (16) and the air return butt joint port (15) are respectively connected to an air outlet and an air return port of the main box body (21) through pipelines, the air outlet and the air return inlet are both arranged on the side surface of the main box body (21), the air outlet is provided with a forward and reverse rotating axial flow motor (1), the positive and negative rotation axial flow motor (1) is used for air supply and air suction, the output end of the positive and negative rotation axial flow motor (1) is provided with positive and negative rotation axial flow fan blades (10), a self-circulation motor (9) is arranged at the rear side of the main box body (21), the output end of the self-circulation motor (9) is provided with a self-circulation fan blade (12), but the test area is fixed on the over-and-under type support frame of translation, over-and-under type support frame is for adjusting formula support from top to bottom.

2. The split high-low temperature alternating test chamber of claim 1, wherein: handle one is installed at left side frame (22) top, buckle one (18) are all installed to preceding, the rear end in left side frame (22) top, buckle two (20) are all installed to preceding, the rear end in left side frame (22) bottom, handle two is installed at right side frame (23) top, draw-in groove one (17) are all installed to preceding, the rear end in right side frame (23) top, draw-in groove two (14) are all installed to preceding, the rear end in right side frame (23) bottom, draw-in groove one (17), draw-in groove two (14) dock with buckle one (18), buckle two (20) respectively.

3. The split type high-low temperature alternating test chamber of claim 1, wherein: the left semicircle orifice is reserved in the middle of the right side of the left frame (22), the right semicircle orifice is reserved in the middle of the left side of the right frame (23), and the left semicircle orifice and the right semicircle orifice form a sample inlet and outlet after the left frame (22) and the right frame (23) are spliced.

4. The split type high-low temperature alternating test chamber of claim 1, wherein: air inlet interface (16), return air interface (15) are the clamp connection mode, clamp one, clamp two are installed respectively to air inlet interface (16), return air interface (15) to through clamp one, clamp two connecting tube.

5. The split type high-low temperature alternating test chamber of claim 1, wherein: air outlet clamp (3), return air inlet clamp (4) are installed respectively to the air outlet of main tank body (21) side, return air inlet to connect out tuber pipe (11), return air pipe (6) respectively through air outlet clamp (3), return air inlet clamp (4), it installs in main tank body (21) side through air outlet flange (13), return air inlet flange (5) respectively to go out tuber pipe (11), return air pipe (6).

6. The split type high-low temperature alternating test chamber of any one of claims 1 to 5, wherein: the positive and negative rotation axial flow fan blades (10) in the main box body (21) are arranged perpendicular to the wind direction of the self-circulation fan blades (12), and an evaporator (7) and a heater (8) are arranged below the positive and negative rotation axial flow fan blades (10) and the self-circulation fan blades (12) in the main box body (21).

7. The split type high-low temperature alternating test chamber of any one of claims 1 to 5, wherein: the lifting type support frame comprises a support base and a lifting and contracting rod arranged on the support base, the test area is arranged at the top end of the lifting and contracting rod, a telescopic spring is sleeved on the periphery of the lifting and contracting rod, and a translation pulley is arranged below the support base.