阅读说明：本技术 一种高低温低气压测试装置 (High-low temperature low-pressure testing device ) 是由 徐士林 于 2020-11-17 设计创作，主要内容包括：本发明公开了一种高低温低气压测试装置,包括实验箱、移动机构、风扇、灯、观察窗、第一门体和第二门体。该高低温低气压测试装置,检测时,首先关闭第一门体,使得实验箱内关闭,然后打开第二门体,方便移动机构伸出实验箱,然后通过开关控制电机开始工作,电机开始电动丝杆开始转动,丝杆通过连接螺纹块带动滑块在滑轨上滑动,滑块带动安装板通过第二门体伸出实验箱,然后将需要检测的电子产品放置在安装板内,然后转动螺纹柄,螺纹柄带动抵块抵在电子产品的外侧,使得电子产品被固定在安装板上,然后通过开关控制电机反向转动,使得电子产品被移动机构带动进入实验箱内,然后关闭第二门体时实验箱被封闭。(The invention discloses a high-low temperature low-pressure testing device which comprises an experiment box, a moving mechanism, a fan, a lamp, an observation window, a first door body and a second door body. This high low temperature low pressure testing arrangement, during the detection, at first close the first door body, make the experiment incasement close, then open the second door body, make things convenient for moving mechanism to stretch out the experiment case, then begin work through the on-off control motor, the motor begins electronic lead screw and begins to rotate, the lead screw passes through the connecting thread piece and drives the slider and slide on the slide rail, the slider drives the mounting panel and stretches out the experiment case through the second door body, then place the electronic product that will detect in the mounting panel, then rotate the screw thread handle, the screw thread handle drives and supports the outside that the piece supports at the electronic product, make the electronic product fixed on the mounting panel, then through on-off control motor reverse rotation, make the electronic product drive by moving mechanism get into the experiment incasement, then the experiment case is sealed when closing the second door body.)

1. The utility model provides a high low temperature low pressure testing arrangement, includes electric box (1), its characterized in that: the top surface of the electric box (1) is fixedly connected with an experiment box (2), an air pump (3), a three-way electromagnetic valve (4) and a circulating cooler (5) are arranged in the electric box (1), an air suction port of the air pump (3) is fixedly connected with a first connecting pipe (6), one end of the first connecting pipe (6) is fixedly connected with a connecting port of the three-way electromagnetic valve (4), the other connecting port of the three-way electromagnetic valve (4) is fixedly connected with a second connecting pipe (7), one end of the second connecting pipe (7) penetrates through the top of the electric box (1) and is inserted into the experiment box (2), a moving mechanism (9) is arranged on the inner side of the bottom of the experiment box (2), the moving mechanism (9) comprises a motor (10), a lead screw (11), a connecting thread block (12), a sliding rail (13), a sliding block (14), a mounting plate (16), a thread handle (17) and a support block (18), an inner cavity (, intercommunicating pore (20) that are linked together with experimental box (2) are seted up to the top surface of inner chamber (19), be equipped with heating plate (21) in inner chamber (19), inner wall fixedly connected with coil pipe (22) of experimental box (2), one side of experimental box (2) is equipped with first door body (23), one side of first door body (23) is equipped with second door body (24), second door body (24) correspond and the adaptation with moving mechanism (9), the top inner wall symmetry fixedly connected with mounting bracket (27) of experimental box (2), the bottom surface fixed mounting of mounting bracket (27) has fan (28), the outside of mounting bracket (27) is equipped with temperature sensor (29) and baroceptor (30) respectively, one side outer wall fixed mounting of experimental box (2) has switch (31), the both sides of switch (31) are equipped with temperature display (32) and baroceptor (33) respectively.

2. The high and low temperature and low pressure testing device according to claim 1, wherein: the third intercommunication mouth and the external world intercommunication of tee bend solenoid valve (4), bleeder vent (8) have been seted up to the solid symmetry of outer wall of electric box (1), and the both ends of coil pipe (22) are all worn out experimental box (2) and are inserted in electric box (1) and supply with the coolant liquid of circulative cooling machine (5) and backward flow mouth fixed connection.

3. The high and low temperature and low pressure testing device according to claim 1, wherein: the first door body (23) is hinged with the outer wall of the experiment box (2) through a hinge, the second door body (24) is hinged with the outer wall of the first door body (23) through a hinge, the temperature sensor (29) and the air pressure sensor (30) are fixedly installed on the inner wall of the top of the experiment box (2), and the temperature display (32) and the air pressure display (33) are fixedly installed on the outer wall of the experiment box (2).

4. The high and low temperature and low pressure testing device according to claim 1, wherein: an observation window (25) is arranged on the upper portion of the first door body (23), and a lamp (26) is fixedly mounted on the inner wall of the top of the experiment box (2).

5. The high and low temperature and low pressure testing device according to claim 1, wherein: the screw rod testing device is characterized in that the sliding rails (13) are symmetrically and fixedly connected to the inner wall of the bottom of the experimental box (2), the sliding blocks (14) are sleeved on the outer side of the sliding rails (13) in a sliding mode, the mounting plates (16) are fixedly connected to the top surface of one side of the sliding blocks (14), the connecting thread blocks (12) are fixedly connected to the outer wall of the other side of the sliding blocks (14), and the connecting thread blocks (12) are sleeved on the outer side of the screw rod (11).

6. The high and low temperature and low pressure testing device according to claim 1, wherein: the one end of lead screw (11) is rotated with the lateral wall of experimental box (2) and is connected, and the other end of lead screw (11) is rotated with the bottom inner wall of experimental box (2) and is connected, and motor (10) fixed connection is on the bottom outer wall of experimental box (2), and the output shaft of motor (10) passes experimental box (2) and just passes shaft coupling and lead screw (11) fixed connection.

7. The high and low temperature and low pressure testing device according to claim 1, wherein: the threaded handles (17) are respectively arranged on four sides of the top surface of the mounting plate (16), the threaded handles (17) are in threaded connection with the mounting plate (16), and the abutting blocks (18) are rotatably connected to the end portions of the threaded handles (17).

8. The high and low temperature and low pressure testing device according to claim 1, wherein: air pump (3), three solenoid valve (4) and circulative cooling machine (5), motor (10), heating plate (21), fan (28), temperature monitor (32) and air pressure display (33) all pass through electric wire and switch (31) electric connection, and temperature sensor (29) pass through electric wire and temperature display (32) electric connection, and air pressure sensor (30) pass through electric wire and air pressure display (33) electric connection, and switch (31) are external to have the power.

Technical Field

The invention relates to the field of electronic product detection, in particular to a high-low temperature low-air pressure testing device.

Background

The high-low temperature low-pressure test chamber is an electronic technology product (including components, materials and instruments) mainly used for determining electricians in aviation, aerospace, electronics, national defense, scientific research and other industrial departments. The storage and transportation reliability test is carried out under the single or simultaneous action of high-low temperature and low air pressure, and the test piece can be electrified to carry out the test of electrical performance parameters.

However, in the use process of the high-low temperature low-pressure test chamber, the chamber cover is usually required to be opened, and then an operator needs to take the experimental product again, which is not beneficial to taking out the experimental product.

Disclosure of Invention

The present invention is directed to a high/low temperature and low pressure testing apparatus to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme:

a high-low temperature low-pressure testing device comprises an electric box, wherein the top surface of the electric box is fixedly connected with an experiment box, an air pump, a three-way electromagnetic valve and a circulating cooler are arranged in the electric box, an air suction port of the air pump is fixedly connected with a first connecting pipe, one end of the first connecting pipe is fixedly connected with a connecting port of the three-way electromagnetic valve, the other connecting port of the three-way electromagnetic valve is fixedly connected with a second connecting pipe, one end of the second connecting pipe passes through the top of the electric box and is inserted into the experiment box, a moving mechanism is arranged on the inner side of the bottom of the experiment box and comprises a motor, a lead screw, a connecting thread block, a sliding rail, a sliding block, a mounting plate, a thread handle and a butting block, an inner cavity is formed in the outer wall of the bottom of the experiment box, a communicating hole communicated with the experiment box is formed in the top, one side of the first door body is equipped with the second door body, and the second door body corresponds and the adaptation with moving mechanism, the top inner wall symmetry fixedly connected with mounting bracket of experimental box, and the bottom surface fixed mounting of mounting bracket has the fan, and the outside of mounting bracket is equipped with temperature sensor and air pressure sensor respectively, and one side outer wall fixed mounting of experimental box has the switch, and the both sides of switch are equipped with temperature monitor and air pressure monitor respectively.

As a further scheme of the invention: the third intercommunication mouth and the external intercommunication of three solenoid valve, the bleeder vent has been seted up to the solid symmetry of electric box's outer wall, and the both ends of coil pipe are all worn out the experimental box and are inserted in the electric box and supply with the coolant liquid of circulative cooling machine and backward flow mouthful fixed connection.

As a still further scheme of the invention: the first door body is hinged to the outer wall of the experiment box through a hinge, the second door body is hinged to the outer wall of the first door body through a hinge, the temperature sensor and the air pressure sensor are fixedly installed on the inner wall of the top of the experiment box, and the temperature display and the air pressure display are fixedly installed on the outer wall of the experiment box.

As a still further scheme of the invention: an observation window is arranged on the upper portion of the first door body, and a lamp is fixedly mounted on the inner wall of the top of the experiment box.

As a still further scheme of the invention: the slide rail symmetry fixed connection is on the bottom inner wall of experimental box, and the slider slip cap is established in the outside of slide rail, and mounting panel fixed connection is on one side top surface of slider, and connecting thread piece fixed connection is on the slider opposite side outer wall, and connecting thread piece threaded sleeve establishes the outside of lead screw.

As a still further scheme of the invention: one end of the screw rod is rotatably connected with the side wall of the experiment box, the other end of the screw rod is rotatably connected with the inner wall of the bottom of the experiment box, the motor is fixedly connected to the outer wall of the bottom of the experiment box, and the output shaft of the motor penetrates through the experiment box and is fixedly connected with the screw rod through the coupler.

As a still further scheme of the invention: the threaded handles are respectively arranged on four sides of the top surface of the mounting plate, the threaded handles are in threaded connection with the mounting plate, and the abutting blocks are rotatably connected to the end portions of the threaded handles.

As a still further scheme of the invention: air pump, three solenoid valve and circulative cooling machine, motor, generate heat board, fan, temperature monitor and air pressure display all pass through electric wire and switch electric connection, and temperature sensor passes through electric wire and temperature monitor electric connection, and air pressure sensor passes through electric wire and air pressure monitor electric connection, and the switch is external to have the power.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the matched use among the moving mechanism, the motor, the screw rod, the connecting thread block, the slide rail, the slide block, the mounting plate, the thread handle and the abutting block, an electronic product can be conveniently fixed and moved in the experiment box, through the matched use among the experiment box, the moving mechanism, the first door body and the second door body, the experiment product can be put in and taken out only by opening the first door body after the experiment is finished and before the experiment is started, and the phenomenon that the open area of the experiment box is too large due to opening the first door body and the internal energy is dissipated is avoided, so that the high-low-temperature low-pressure testing device has the function of being convenient to take.

2. According to the invention, through the matching use of the air pump, the three-way electromagnetic valve, the first connecting pipe, the second connecting pipe, the air pressure sensor, the switch and the air pressure display, the internal air pressure of the experiment box is adjustable, through the matching use of the circulating cooler, the coil pipe, the temperature sensor, the switch and the temperature display, the internal space of the experiment box can be cooled, low-temperature experiments are carried out, and through the matching use of the inner cavity, the communication hole, the heating plate, the temperature sensor, the switch and the temperature display, the internal space of the experiment box can be heated, and high-temperature experiments are carried out, so that the high-low-temperature low-air pressure testing device can conveniently carry out various environment detections on electronic products.

3. According to the invention, through the use of the air holes, the electric box can dissipate heat inside the electric box through air circulation, the temperature rise inside the electric box caused by heat energy generated by internal electric operation is avoided, the experimental condition inside the experimental box can be conveniently observed through the matched use among the observation window, the lamp and the switch, the air in the experimental box can be driven to flow through the matched use among the mounting frame, the fan and the switch, the temperature environment in the experimental box is more uniform, and the use of the high-low temperature low-air pressure testing device is more convenient.

Drawings

Fig. 1 is a schematic structural diagram of a high-low temperature low-pressure testing apparatus.

Fig. 2 is a first cross-sectional side view of a high and low temperature and low pressure testing apparatus.

Fig. 3 is a second cross-sectional side view of a high and low temperature and low pressure testing apparatus.

Fig. 4 is a top cross-sectional view of a high-low temperature and low-pressure testing apparatus.

In the figure: 1 electric box, 2 experimental boxes, 3 air pumps, 4 three-way electromagnetic valves, 5 circulative cooling machines, 6 first connecting pipes, 7 second connecting pipes, 8 air vents, 9 moving mechanisms, 10 motors, 11 lead screws, 12 connecting thread blocks, 13 slide rails, 14 slide blocks, 16 mounting plates, 17 thread handles, 18 abutting blocks, 19 inner cavities, 20 communicating holes, 21 heating plates, 22 coil pipes, 23 first door bodies, 24 second door bodies, 25 observation windows, 26 lamps, 27 mounting frames, 28 fans, 29 temperature sensors, 30 air pressure sensors, 31 switches, 32 temperature displays and 33 air pressure displays.

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.

Referring to fig. 1 to 4, in an embodiment of the present invention, a high-low temperature low-pressure testing apparatus includes an electrical box 1, a testing box 2 is fixedly connected to a top surface of the electrical box 1, an air pump 3, a three-way electromagnetic valve 4 and a circulating cooling machine 5 are disposed in the electrical box 1, the three-way electromagnetic valve 4 is of a model JYZ-3C1 and manufactured and sold by ningbo inc, a well-sound, electromechanical technologies co, and a circulating cooling machine 5 of a model BL-5WC and manufactured and sold by foshan, a first connecting pipe 6 is fixedly connected to an air suction port of the air pump 3, one end of the first connecting pipe 6 is fixedly connected to a connecting port of the three-way electromagnetic valve 4, another connecting port of the three-way electromagnetic valve 4 is fixedly connected to a second connecting pipe 7, one end of the second connecting pipe 7 passes through a top portion of the electrical box 1 and is inserted into the testing box 2, a moving mechanism 9 is disposed on an inner, the moving mechanism 9 comprises a motor 10, a screw rod 11, a connecting thread block 12, a slide rail 13, a slide block 14, a mounting plate 16, a thread handle 17 and a resisting block 18, an inner cavity 19 is formed in the outer wall of the bottom of the experiment box 2, a communicating hole 20 communicated with the experiment box 2 is formed in the top surface of the inner cavity 19, a heating plate 21 is arranged in the inner cavity 19, a coil pipe 22 is fixedly connected to the inner wall of the experiment box 2, a first door body 23 is arranged on one side of the experiment box 2, a second door body 24 is arranged on one side of the first door body 23, the second door body 24 corresponds to and is matched with the moving mechanism 9, a mounting frame 27 is symmetrically and fixedly connected to the inner wall of the top of the experiment box 2, a fan 28 is fixedly mounted on the bottom surface of the mounting frame 27, a temperature sensor 29 and a pressure sensor 30 are respectively arranged on the outer side of the mounting frame 27, the temperature sensor 29, the Foshan Saiput electronic instrument company Limited is manufactured and sold by production, a switch 31 is fixedly installed on the outer wall of one side of the experimental box 2, a temperature display 32 and a pressure display 33 are respectively arranged on the two sides of the switch 31, the model of the temperature display 32 is EKV401N7, the temperature display is manufactured and sold by the Qiligang Zhenxingli relay factory in Leqing, the model of the pressure display 33 is E8Y, and the temperature display is manufactured and sold by the ohm dragon automation (China) company Limited.

The third communicating port of the three-way electromagnetic valve 4 is communicated with the outside, the air holes 8 are formed in the outer wall of the electric box 1 in a fixed and symmetrical mode, and two ends of the coil 22 penetrate out of the experiment box 2 and are inserted into the electric box 1 to be fixedly connected with the cooling liquid supply and return port of the circulating cooler 5.

First door body 23 is articulated with the outer wall of experimental box 2 through the hinge, and second door body 24 is articulated with the outer wall of first door body 23 through the hinge, and temperature sensor 29 and air pressure sensor 30 are all fixed mounting on the top inner wall of experimental box 2, and temperature display 32 and air pressure display 33 are all fixed mounting on the outer wall of experimental box 2.

An observation window 25 is arranged at the upper part of the first door body 23, and a lamp 26 is fixedly arranged on the inner wall of the top of the experiment box 2.

The slide rail 13 is symmetrically and fixedly connected to the inner wall of the bottom of the experimental box 2, the slide block 14 is slidably sleeved on the outer side of the slide rail 13, the mounting plate 16 is fixedly connected to the top surface of one side of the slide block 14, the connecting thread block 12 is fixedly connected to the outer wall of the other side of the slide block 14, and the connecting thread block 12 is threadedly sleeved on the outer side of the screw rod 11.

One end of the screw rod 11 is rotatably connected with the side wall of the experimental box 2, the other end of the screw rod 11 is rotatably connected with the inner wall of the bottom of the experimental box 2, the motor 10 is fixedly connected with the outer wall of the bottom of the experimental box 2, and the output shaft of the motor 10 penetrates through the experimental box 2 and is fixedly connected with the screw rod 11 through the coupler.

The threaded handles 17 are respectively arranged on the four sides of the top surface of the mounting plate 16, the threaded handles 17 are in threaded connection with the mounting plate 16, and the abutting blocks 18 are rotatably connected to the end portions of the threaded handles 17.

The air pump 3, the three-way electromagnetic valve 4, the circulating cooler 5, the motor 10, the heating plate 21, the fan 28, the temperature display 32 and the air pressure display 33 are electrically connected with the switch 31 through wires, the temperature sensor 29 is electrically connected with the temperature display 32 through wires, the air pressure sensor 30 is electrically connected with the air pressure display 33 through wires, and the switch 31 is externally connected with a power supply.

The air pump 3, the three-way solenoid valve 4, the first connecting pipe 6, the second connecting pipe 7, the air pressure sensor 30, the switch 31 and the air pressure display 33 are combined to form an air pressure adjusting mechanism, the air pump 3 is controlled to start working through the switch 31, meanwhile, the three-way solenoid valve 4 is controlled through the switch 31 to enable the first connecting pipe 6 and the second connecting pipe 7 to be mutually communicated, at the moment, under the action of the air pump 3, air inside the experiment box 2 is pumped out, so that a low-pressure environment is created for the experiment box 2, at the moment, the internal air pressure of the experiment spool can be detected through the air pressure sensor 30, the detection result is displayed through the air pressure display 33, a user can conveniently control the air pressure condition in the experiment box 2, meanwhile, the internal air pressure of the experiment box 2 can be communicated with the outside through the switch 31, so that the air pressure of the experiment box 2 is balanced with the, so that the air pressure in the experimental box 2 can be adjusted by the air pressure adjusting mechanism,

the circulation cooler 5, the coil 22, the temperature sensor 29, the switch 31 and the temperature display 32 are combined into a cooling mechanism, the circulation cooler 5 is controlled to start working through the switch 31, the cooling liquid is cooled and conveyed under the action of the circulating cooler 5, the cooling liquid is conveyed into the coil 22 through the discharge hole of the circulating cooler 5 to cool the inner space of the experiment box 2, meanwhile, the cooling liquid conveyed to the inner container of the coil 22 flows back into the circulating cooler 5 through a feed back port of the circulating cooler 5 to be cooled again, so that the temperature in the experimental box 2 is lowered, while the temperature sensor 29 continuously detects the temperature in the experimental box 2, and will detect temperature information feedback and show on temperature display 32, convenience of customers controls the low temperature environment in experimental box 2 to can reduce the inside temperature of experimental box 2 through cooling body.

Inner chamber 19, the intercommunicating pore 20, the board 21 generates heat, temperature sensor 29, switch 31 and temperature display 32 make up into heating mechanism, control through switch 31 and generate heat board 21 and begin work, the produced heat energy of board 21 that generates heat passes through intercommunicating pore 20 and is gone into in experimental box 2 by the inner chamber, thereby heat the inner space of experimental box 2, thereby make the temperature in experimental box 2 risen, temperature sensor 29 lasts to the temperature in experimental box 2 at this moment and detect, and will detect and show on temperature information feeds back to temperature display 32, the person of facilitating the use controls the low temperature environment in experimental box 2, thereby can rise the inside temperature of experimental box 2 through cooling mechanism.

The working principle of the invention is as follows:

when the device is used, one or more of the air pressure adjusting mechanism, the cooling mechanism and the heating mechanism are mutually combined and matched to carry out high-temperature experiment, low-pressure experiment, high-low-temperature alternative experiment, high-temperature low-pressure experiment, low-temperature low-pressure experiment and high-low-temperature alternative low-pressure experiment in the experiment box 2, so that the device can conveniently carry out performance detection on electronic products in various environments, during detection, the first door body 23 is firstly closed to close the experiment box 2, then the second door body 24 is opened to facilitate the moving mechanism 9 to stretch out of the experiment box 2, then the motor 10 is controlled to start working through the switch 31, the motor 10 starts to rotate the electric lead screw 11, the lead screw 11 drives the sliding block 14 to slide on the sliding rail 13 through the connecting thread block 12, the sliding block 14 drives the mounting plate to stretch out of the experiment box 2 through the second door body 24, and then electronic products, then the screw thread handle 17 is rotated, the screw thread handle 17 drives the abutting block 18 to abut against the outer side of the electronic product, so that the electronic product is fixed on the mounting plate 16, then the switch 31 controls the motor 10 to rotate reversely, so that the electronic product is driven by the moving mechanism 9 to enter the experiment box 2, then the second door body 24 is closed, the experiment box 2 is closed, then one or more of the air pressure adjusting mechanism, the cooling mechanism and the heating mechanism is controlled to start working to carry out environment simulation detection on the electronic elements in the experiment box 2, meanwhile, the switch controls the fan 28 and the lamp 26 to start working, the fan 28 starts blowing air in the experiment box 2, so that the environment conditions in the experiment box 2 are more uniform, meanwhile, the lamp 26 starts to illuminate the inside of the experiment box 2, a user can conveniently observe the inside experiment condition of the experiment box 2 through the observation window 25, and simultaneously, the air vent 8 enables the electric box 1 to be communicated with the outside in the operation process of the device, avoid the long-time operation of the inside electrical equipment of electrical box 1 to produce heat energy and pile up for the inside temperature of electrical box 1 rises, influences the operation of electrical equipment.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.