CN207680629U - An intelligent high temperature aging test chamber - Google Patents

Abstract

The utility model discloses an intelligence high temperature ageing test box, including proof box body, axial fan, heater, put thing disc, support column, wireless signal transmitter, S7-200P L C controller and backward flow cavity, pinning proof box body upper portion is provided with axial fan, the axial fan below is provided with the heater, it is provided with the support column to put thing disc below, the wireless signal transmitter right side is provided with the motor, the motor right side is provided with S7-200P L C controller, the utility model discloses structure scientific and reasonable, convenience safe in utilization has set up wireless signal transmitter, can reach remote terminal with signal transmission, makes things convenient for the experimenter in time to know the inside temperature condition of experimental cavity, has set up S7-200P L C controller, can in time adjust the heater and change the inside temperature of experimental cavity, has set up the support column, can stabilize and put the thing disc to make its rotation and let the test piece can be heated evenly, has set up the backward flow cavity, avoid too much material in the air to disturb the survey of high temperature ageing.

Description

An intelligent high temperature aging test chamber

technical field

The utility model relates to the technical field of high-temperature aging test chambers, in particular to an intelligent high-temperature aging test chamber.

Background technique

The high temperature aging test box is used to test wires, cables, insulators or rubber test pieces, compare the tensile strength and elongation of the test pieces before and after aging, understand the physical properties after aging, and regularly repair and replace the lines , but most of the high-temperature aging test chambers currently on the market cannot rotate the workbench. During the heating and aging process, the test piece may be heated unevenly. The change caused by high temperature aging is measured only, and after heating, it can only dissipate heat by itself, and the heat dissipation effect is poor. At the same time, it is impossible to accurately control and understand the temperature in the test chamber, resulting in excessive or insufficient aging in the test.

Utility model content

The utility model provides an intelligent high-temperature aging test box, which can effectively solve the problem that most of the high-temperature aging test boxes currently on the market cannot rotate the workbench in the above-mentioned background technology. During the heating and aging process, the test piece may be heated unevenly. During the heating process, outside air is mostly used, and there is interference from other substances in the air. It is impossible to accurately measure the changes caused by high temperature aging, and after heating, it can only dissipate heat by itself, and the heat dissipation effect is poor. At the same time, it is impossible to accurately control and understand the test chamber. temperature, leading to the problem of excessive or insufficient aging in the test.

In order to achieve the above purpose, the utility model provides the following technical solutions: an intelligent high temperature aging test box, including the test box body, axial flow fan, heater, vent, test chamber, support column, spherical groove, steel ball, storage Disc, circular moving slot, temperature sensor, return chamber, sealing plate, fixed bump, hinge, control chamber, wireless signal transmitter, wireless network receiver, motor, S7-200PLC controller, cooling holes and The supporting frame, the right part of the test box body is provided with cooling holes, the upper part of the test box body is provided with an axial flow fan, the lower part of the axial flow fan is provided with a heater, and the lower part of the heater is provided with an air vent. A test chamber is provided below the air vent, a support column is provided in the middle of the test chamber, a spherical groove is opened at the top of the support column, steel balls are installed inside the spherical groove, and a storage circle is arranged above the support column. The bottom of the storage disc is provided with a circular moving slot corresponding to the position of the support column, a temperature sensor is provided at the lower right part of the test chamber, a return chamber is provided at the right side of the test chamber, and the return chamber The right side is provided with a sealing plate, the left end of the middle part of the sealing plate is provided with a fixed protrusion, the upper part of the sealing plate is provided with a hinge, the lower part of the test box body is provided with a control chamber, and the upper left part of the control chamber is provided with a A wireless signal transmitter, a wireless network receiver is arranged below the wireless signal transmitter, a motor is arranged on the right side of the wireless network receiver, an S7-200PLC controller is arranged on the right side of the motor, and the output of the temperature sensor The terminal is electrically connected to the input terminal of the S7-200PLC controller, and the input terminals of the heater and the wireless signal transmitter are both electrically connected to the output terminal of the S7-200PLC controller.

Preferably, a support frame is provided on the left side of the heater.

Preferably, the inner edge of the heat dissipation hole coincides with the outer edge of the fixing protrusion, and the shape of the fixing protrusion is a right-angled trapezoid.

Preferably, the inner edge of the spherical groove coincides with the outer edge of the steel ball.

Preferably, the outer edge of the upper part of the supporting column coincides with the inner edge of the circular moving groove, and the number of the supporting column is six.

Compared with the prior art, the utility model has the beneficial effects: the utility model has a scientific and reasonable structure, is safe and convenient to use, and is equipped with a wireless signal transmitter, which can transmit the signal to a remote terminal, which is convenient for the test personnel to know the conditions inside the test chamber in time. Temperature conditions; S7-200PLC controller is set up, which can adjust the heater in time to change the temperature inside the test chamber, and at the same time notify the change of the temperature inside the test chamber through a wireless signal transmitter; set up a support column, which can effectively move the storage circle The disk is supported in the middle position to ensure uniform heating; steel balls and circular moving grooves are set to make the storage disk rotate effectively, so that the test piece can be heated evenly, and at the same time, it is convenient for the test personnel to record the all-round surface of the test piece during the test. change; a reflow chamber is set up, which can only use internal gas circulation heating during the high-temperature aging test to avoid excessive substances in the air from interfering with the high-temperature aging measurement; a cooling hole and a sealing plate are set up, which can pass through the axial flow fan after the test Effectively discharge the internal hot air, accelerate heat dissipation, and reduce the aging damage of the internal circuit of the test box body due to high temperature.

Description of drawings

The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the description, and are used to explain the utility model together with the embodiments of the utility model, and do not constitute a limitation to the utility model. In the attached picture:

Fig. 1 is a structural representation of the utility model;

Fig. 2 is a schematic diagram of the steel ball installation structure of the present invention.

Labels in the figure: 1. Test box body; 2. Axial flow fan; 3. Heater; 4. Vent; 5. Test chamber; 6. Support column; 7. Spherical groove; 8. Steel ball; 9. Storage Disc; 10. Circular moving slot; 11. Temperature sensor; 12. Return chamber; 13. Sealing plate; 14. Fixed bump; 15. Hinge; 16. Control chamber; 17. Wireless signal transmitter; 18. Wireless network receiver; 19. Motor; 20. S7-200PLC controller; 21. Cooling hole; 22. Support frame.

Detailed ways

The preferred embodiments of the present utility model are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present utility model, and are not intended to limit the present utility model.

Embodiment: As shown in Figure 1-2, the utility model provides a technical solution, an intelligent high-temperature aging test chamber, including a test chamber body 1, an axial fan 2, a heater 3, a vent 4, and a test chamber 5. Support column 6, spherical groove 7, steel ball 8, storage disc 9, circular moving groove 10, temperature sensor 11, return chamber 12, sealing plate 13, fixed protrusion 14, hinge 15, control chamber 16. Wireless signal transmitter 17, wireless network receiver 18, motor 19, S7-200PLC controller 20, heat dissipation holes 21 and support frame 22, heat dissipation holes 21 are opened on the right part of the test box body 1, and the upper part of the test box body 1 is set There is an axial flow fan 2, a heater 3 is arranged under the axial flow fan 2, a vent 4 is arranged under the heater 3, a test chamber 5 is arranged under the vent 4, and a support column 6 is arranged in the middle of the test chamber 5 to support A spherical groove 7 is provided at the top of the column 6, a steel ball 8 is installed inside the spherical groove 7, a storage disk 9 is arranged above the support column 6, and a circular moving groove 10 is provided at the bottom end of the storage disk 9 corresponding to the position of the support column 6, The lower right part of the test chamber 5 is provided with a temperature sensor 11, the right side of the test chamber 5 is provided with a backflow chamber 12, the right side of the backflow chamber 12 is provided with a sealing plate 13, and the left end of the middle part of the sealing plate 13 is provided with a fixed protrusion 14, sealing A hinge 15 is arranged above the plate 13, a control chamber 16 is arranged at the lower part of the test box body 1, a wireless signal transmitter 17 is arranged at the upper left part of the control chamber 16, and a wireless network receiver 18 is arranged below the wireless signal transmitter 17. The right side of the network receiver 18 is provided with a motor 19, the right side of the motor 19 is provided with a S7-200PLC controller 20, the output end of the temperature sensor 11 is electrically connected to the input end of the S7-200PLC controller 20, the heater 3 and the wireless signal The input terminals of the transmitter 17 are electrically connected with the output terminals of the S7-200PLC controller 20 .

In order to ensure that the heater 3 can be installed inside the test box body 1 , in this embodiment, preferably, a support frame 22 is provided on the left side of the heater 3 .

In order to ensure that the fixed protrusion 14 can effectively seal and block the heat dissipation hole 21 when not dissipating heat, and facilitate the opening of the sealing plate 13, in this embodiment, preferably, the inner edge of the heat dissipation hole 21 and the outer edge of the fixed protrusion 14 are aligned. Fittingly, the shape of the fixing protrusion 14 is a right-angled trapezoid.

In order to make the steel ball 8 fit into the spherical groove 7 , in this embodiment, preferably, the inner edge of the spherical groove 7 fits with the outer edge of the steel ball 8 .

In order to make the storage disc 9 rotate effectively and stably, in this embodiment, preferably, the outer edge of the upper part of the support column 6 fits with the inner edge of the circular moving groove 10, and the number of support columns 6 is six.

The working principle and usage process of the utility model: power on the heater 3, then turn on the axial flow fan 2, the heater 3 heats the surrounding air, the axial flow fan 2 transports gas from top to bottom, and the heated gas passes through the vent 4 Enter the test chamber 5, the middle part of the test chamber 5 is provided with a support column 6, steel balls 8 are placed in the spherical groove 7 provided at the top of the support column 6, and the bottom end of the storage disc 9 is provided with a circular moving groove 10. When 19 drives the storage disk 9 to rotate, the support column 6 can provide effective auxiliary support, and the cooperation of the steel ball 8 and the circular moving groove 10 can ensure that the storage disk 9 can rotate stably. The test piece can be heated evenly, and at the same time, it is convenient for the test personnel to record the changes of the surface of the test piece in all directions during the test process. 5 through the recirculation chamber 12 and then sucked by the axial flow fan 2, and reused to ensure that only the change of temperature is the variable that causes the aging of the specimen during the test, so as to avoid excessive substances in the air from interfering with the measurement of high-temperature aging and obtain accurate results. As a result of the test, a temperature sensor 11 is provided at the lower right part of the test chamber 5, and a control chamber 16 is provided at the bottom of the test box body 1 at the same time, and the internal temperature data of the test chamber 5 are transmitted to the S7-200PLC controller 20 through the temperature sensor 11 , S7-200PLC controller 20 controls the wireless signal transmitter 17 to send the temperature data inside the test chamber 5 to the remote terminal through the network received by the wireless network receiver 18, so that the staff can know the temperature inside the test chamber 5 in real time , when the temperature inside the test chamber 5 does not match the internal setting value of the S7-200PLC controller 20, the S7-200PLC controller 20 controls the heater 3 to change the heating temperature, so that the entire test chamber 5 is at a suitable temperature required for the test, At the same time, in order to prevent the internal temperature of the test box body 1 from being too high to accelerate the aging of the internal circuit after the test, a cooling hole 21 is provided on the right side of the test box body 1. After the test, the sealing plate 13 is opened by the hinge 15 to make the fixed bump 14 leaves the heat dissipation hole 21, so that the heat gas inside the backflow chamber 12 can dissipate heat, and at the same time, the axial flow fan 3 is turned on to make the air flow in the whole test chamber body 1, and it is convenient to dissipate heat through the heat dissipation hole 21 when passing through the backflow chamber 12.

Finally, it should be noted that: the above is only a preferred example of the utility model, and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, It is still possible to modify the technical solutions described in the foregoing embodiments, or to perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (5)

1. An intelligent high-temperature aging test chamber, including a test chamber body (1), an axial flow fan (2), a heater (3), a vent (4), a test chamber (5), a support column (6), Spherical groove (7), steel ball (8), storage disc (9), circular moving slot (10), temperature sensor (11), reflow chamber (12), sealing plate (13), fixed bump ( 14), hinge (15), control chamber (16), wireless signal transmitter (17), wireless network receiver (18), motor (19), S7-200PLC controller (20), cooling hole (21 ) and a support frame (22), it is characterized in that: the right part of the test box body (1) is provided with cooling holes (21), the upper part of the test box body (1) is provided with an axial flow fan (2), the A heater (3) is arranged below the axial flow fan (2), an air vent (4) is provided below the heater (3), and a test chamber (5) is arranged below the air vent (4). The middle part of the test chamber (5) is provided with a support column (6), and the top of the support column (6) is provided with a spherical groove (7), and a steel ball (8) is installed inside the spherical groove (7). A storage disc (9) is arranged above the support column (6), and a circular moving groove (10) is provided at the bottom end of the storage disc (9) corresponding to the position of the support column (6). The test chamber (5) The lower right part is provided with a temperature sensor (11), the right side of the test chamber (5) is provided with a backflow chamber (12), the right side of the backflow chamber (12) is provided with a sealing plate (13), and the sealing A fixed protrusion (14) is provided at the left end of the middle part of the plate (13), a hinge (15) is provided above the sealing plate (13), and a control chamber (16) is provided at the bottom of the test box body (1). The upper left part of the control chamber (16) is provided with a wireless signal transmitter (17), the wireless signal transmitter (17) is provided with a wireless network receiver (18) below, and the right side of the wireless network receiver (18) A motor (19) is provided, an S7-200PLC controller (20) is arranged on the right side of the motor (19), and the output end of the temperature sensor (11) and the input end of the S7-200PLC controller (20) are electrically connected connected, the input terminals of the heater (3) and the wireless signal transmitter (17) are electrically connected with the output terminals of the S7-200PLC controller (20). 2. An intelligent high-temperature aging test chamber according to claim 1, characterized in that, a support frame (22) is provided on the left side of the heater (3). 3. A kind of intelligent high temperature aging test chamber according to claim 1, is characterized in that, the inner edge of described cooling hole (21) and the outer edge of fixed projection (14) match, and described fixed projection ( 14) The shape is a right-angled trapezoid. 4. An intelligent high-temperature aging test chamber according to claim 1, characterized in that, the inner edge of the spherical groove (7) matches the outer edge of the steel ball (8). 5. A kind of intelligent high-temperature aging test chamber according to claim 1, characterized in that, the outer edge of the upper part of the support column (6) matches the inner edge of the circular moving groove (10), and the support column (6) The quantity is 6 pieces.