A high-low temperature impact test chamber

Abstract

This utility model discloses a high and low temperature impact test chamber, relating to the field of simulation testing technology. The utility model includes a chamber body with a control panel on its upper side. A heating plate and a cooling plate are located inside the chamber. The lower surface of the heating plate has rectangularly distributed heating elements, and the upper surface of the cooling plate has several rectangularly distributed cooling fans. A placement plate is fixed inside the chamber, with several ventilation holes on its upper surface. The placement plate is located between the heating and cooling plates. A support block is fixed inside the chamber, and an electric push rod is fixed on the lower surface of the support block. The high and low temperature impact test chamber provided by this utility model features a heating and cooling plate installation method that facilitates disassembly and positioning, significantly reducing subsequent maintenance costs and difficulties. The sample fixing structure composed of the electric push rod and pressure rod can flexibly adapt to different samples, effectively preventing sample movement and ensuring the accuracy and repeatability of the test.

Description

Technical Field

[0001] This utility model relates to the field of simulation testing technology, specifically a high and low temperature impact test chamber. Background Technology

[0002] A thermal shock test chamber is a testing device that simulates rapid temperature changes in nature. It can test the physical and chemical damage that products suffer during rapid temperature changes, thereby discovering potential quality problems and enabling improvements and optimizations. Thermal shock test chambers are indispensable testing equipment in the metal, plastic, aerospace, rubber, and electronics industries.

[0003] However, existing technologies still have the following problems:

[0004] In terms of component installation, existing high and low temperature impact test chambers often use welding or complex nested structures to fix the heating and cooling plates. Disassembly requires specialized tools and is prone to damaging components, making maintenance and replacement difficult and costly. As for sample fixation, they often rely on clamps of fixed size or simple placement, which cannot adapt to samples of different specifications, resulting in poor fixation. Samples are prone to displacement during the test, leading to inaccurate test data, low repeatability, and difficulty in meeting diverse test requirements.

[0005] To address the aforementioned problems, the inventors proposed a high and low temperature impact test chamber. Utility Model Content

[0006] To address the problems of inconvenient maintenance of heating and cooling structures and unstable sample fixation, the purpose of this invention is to provide a high and low temperature impact test chamber.

[0007] To solve the above technical problems, the present invention adopts the following technical solution: a high and low temperature impact test chamber, including a chamber body, a control panel on the upper side of the chamber body, a heating plate and a cooling plate inside the chamber body, heating elements arranged in a rectangular pattern on the lower surface of the heating plate, a plurality of cooling fans arranged in a rectangular pattern fixed on the upper surface of the cooling plate, a placement plate fixed inside the chamber body, and a plurality of vent holes opened on the upper surface of the placement plate, the placement plate being located between the heating plate and the cooling plate, a support block fixed inside the chamber body, and an electric push rod fixed on the lower surface of the support block, the output end of the electric push rod being fixed with a pressure rod, and the pressure rod being located on one side of the upper surface of the placement plate.

[0008] Preferably, the lower surface of the control board has a groove, the upper surface of the heating plate is fitted into the groove, L-shaped blocks are symmetrically fixed on both sides of the lower surface of the heating plate, and the L-shaped blocks are fitted onto the control board. The control board and the heating plate are connected by bolts, and the heating plate and the control board are electrically connected.

[0009] Preferably, the housing has a slot, the cooling plate is inserted into the slot, a connecting block is symmetrically fixed on one side of the cooling plate, and the connecting block is connected to the housing by bolts. The housing has symmetrically fixed positioning slots on the top, and a positioning post is symmetrically fixed on one side of the cooling plate, with the lower end of the positioning post movably inserted into the corresponding positioning slot.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0011] 1. The heating plate of this utility model is connected to the groove of the control plate by an L-shaped block and bolts, which makes it easy to install and disassemble; the cooling plate is connected to the positioning groove of the box by a positioning post and bolts, which facilitates the installation and positioning of the cooling plate. This structural design makes it more convenient to repair and replace parts in the later stage, and reduces maintenance costs and difficulty.

[0012] 2. The sample fixing structure composed of an electric push rod and a pressure rod of this utility model can be flexibly adjusted according to the size and shape of the sample, and can firmly fix different types of samples, avoid sample movement during the test, and ensure the accuracy and repeatability of the test. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0015] Figure 2 This is an exploded view of the box body, control board, and heating plate structure of this utility model.

[0016] Figure 3 This is an exploded view of the box body and cooling plate structure of this utility model.

[0017] In the diagram: 1. Box body; 2. Control panel; 3. Heating plate; 31. Heating element; 32. Groove; 33. L-shaped block; 4. Cooling plate; 41. Cooling fan; 42. Slot; 43. Connecting block; 44. Positioning slot; 45. Positioning column; 5. Placement plate; 51. Support block; 52. Electric push rod; 53. Pressure rod; 6. Box door; 61. Observation glass. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Example: Figure 1-3 As shown, this utility model provides a high and low temperature impact test chamber, including a chamber body 1. A control panel 2 is provided on the upper side of the chamber body 1. A heating plate 3 and a cooling plate 4 are provided inside the chamber body 1. Heating elements 31 are arranged in a rectangular pattern on the lower surface of the heating plate 3. Several cooling fans 41 are fixedly arranged in a rectangular pattern on the upper surface of the cooling plate 4. A placement plate 5 is fixedly provided inside the chamber body 1, and several ventilation holes are opened on the upper surface of the placement plate 5. The placement plate 5 is located between the heating plate 3 and the cooling plate 4. A door 6 is provided on one side of the chamber body 1, and an observation glass 61 is embedded in the outer surface of the door 6. The observation glass 61 embedded in the outer surface of the door 6 allows the operator to observe the state changes of the sample inside the chamber during the high and low temperature impact test in real time without opening the door. This not only facilitates the test operation but also avoids the temperature fluctuation inside the chamber caused by frequent opening, which affects the test results. When a high temperature impact test is required on the sample, the operator can set the temperature through the control panel 2. With parameters such as temperature set, control board 2 transmits electrical signals to heating plate 3. The rectangularly distributed heating elements 31 on heating plate 3 then start working, converting electrical energy into heat energy. The heat is transferred to the sample on placement plate 5 through air convection, placing it in a high-temperature environment. During the low-temperature impact test, control board 2 controls the cooling fan 41 on cooling plate 4 to start. The cooling fan 41 accelerates airflow, carrying away heat and lowering the temperature of the area on placement plate 5, thus subjecting the sample to low-temperature impact. The vents on placement plate 5 facilitate air circulation within the chamber 1, ensuring uniform temperature transfer to the sample. Heating plate 3 and cooling plate 4 rapidly adjust the temperature within chamber 1 through heating elements 31 and cooling fan 41, respectively, enabling quick switching between high and low temperature environments. This allows for efficient completion of high and low temperature impact tests. Furthermore, the rectangularly distributed heating elements and cooling fan help improve the uniformity of temperature distribution, resulting in more even heating and cooling of the sample and more reliable test results.

[0020] A support block 51 is fixedly installed inside the housing 1, and an electric push rod 52 is fixedly installed on the lower surface of the support block 51. A pressure rod 53 is fixedly installed at the output end of the electric push rod 52, and the pressure rod 53 is located on one side of the upper surface of the placement plate 5. When the sample is placed, the electric push rod 52 is activated, and its output end pushes the pressure rod 53 down to press the sample firmly on the placement plate 5, preventing the sample from shifting due to factors such as air flow caused by temperature changes during high and low temperature shocks, thus ensuring the accuracy and stability of the test.

[0021] The lower surface of the control board 2 has a groove 32, the upper surface of the heating plate 3 is fitted into the groove 32, and L-shaped blocks 33 are symmetrically fixed on both sides of the lower surface of the heating plate 3. The L-shaped blocks 33 are fitted onto the control board 2. The control board 2 and the heating plate 3 are connected by bolts, and the heating plate 3 is electrically connected to the control board 2. The heating plate 3 fits into the groove 32 of the control board 2 through the L-shaped blocks 33 and is connected by bolts, making installation and disassembly convenient.

[0022] L-shaped blocks 33 are symmetrically fixed on both sides of the lower surface of the heating plate 3, and the L-shaped blocks 33 are snapped onto the control plate 2. The control plate 2 and the heating plate 3 are connected by bolts, and the heating plate 3 and the control plate 2 are electrically connected. A connecting block 43 is symmetrically fixed on one side of the cooling plate 4, and the connecting block 43 is connected to the housing 1 by bolts. A positioning groove 44 is symmetrically opened on the upper part of the housing 1. A positioning post 45 is symmetrically fixed on one side of the cooling plate 4, and the lower end of the positioning post 45 is movably inserted into the corresponding positioning groove 44. The cooling plate 4 is connected to the positioning groove 44 of the housing 1 by the positioning post 45 and then by bolts, which facilitates the installation and positioning of the cooling plate 4. This structural design makes it more convenient to repair and replace parts in the later stage, and reduces maintenance costs and difficulties.

[0023] The heating plate 2, cooling plate 4 and electric push rod 52 are all existing technologies and will not be described in detail. In addition, this utility model also includes a power supply, controller and switch, which are not the main technical points of this patent and will not be described in detail.

[0024] Working principle: When a high-temperature impact test is required on the sample, the operator sets parameters such as temperature through the control board 2. The control board 2 transmits an electrical signal to the heating plate 3, and the heating elements 31 distributed in a rectangular pattern on the heating plate 3 start working, converting electrical energy into heat energy. The heat is transferred to the sample on the placement plate 5 through air convection, placing it in a high-temperature environment. When a low-temperature impact test is performed, the control board 2 controls the cooling fan 41 on the cooling plate 4 to start. The cooling fan 41 accelerates the air flow, removes heat, and lowers the temperature of the area on the placement plate 5, thus subjecting the sample to a low-temperature impact. The vent holes on the placement plate 5 help the air circulate within the chamber 1, ensuring that the temperature is evenly transferred to the sample.

[0025] After the sample is placed, the electric push rod 52 is activated, and its output end pushes the pressure rod 53 down to press the sample firmly onto the placement plate 5. This prevents the sample from shifting due to factors such as air flow caused by temperature changes during high and low temperature shocks, thus ensuring the accuracy and stability of the test.

[0026] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A high and low temperature impact test chamber, comprising a chamber body (1), characterized in that: The upper side of the box (1) is provided with a control plate (2). The box (1) is provided with a heating plate (3) and a cooling plate (4). The lower surface of the heating plate (3) is provided with heating elements (31) arranged in a rectangular pattern. The upper surface of the cooling plate (4) is fixedly provided with several cooling fans (41) arranged in a rectangular pattern. The box (1) is fixedly provided with a placement plate (5), and the upper surface of the placement plate (5) is provided with several ventilation holes. The placement plate (5) is located between the heating plate (3) and the cooling plate (4).

2. The high and low temperature impact test chamber as described in claim 1, characterized in that: The box (1) is fixedly provided with a support block (51), and an electric push rod (52) is fixedly provided on the lower surface of the support block (51). The output end of the electric push rod (52) is fixedly provided with a pressure rod (53), and the pressure rod (53) is located on one side of the upper surface of the placement plate (5).

3. The high and low temperature impact test chamber as described in claim 1, characterized in that: The lower surface of the control plate (2) is provided with a groove (32), and the upper surface of the heating plate (3) is fitted into the groove (32).

4. The high and low temperature impact test chamber as described in claim 1, characterized in that: The heating plate (3) has L-shaped blocks (33) fixedly arranged symmetrically on both sides of its lower surface, and the L-shaped blocks (33) are mounted on the control plate (2). The control plate (2) and the heating plate (3) are connected by bolts, and the heating plate (3) and the control plate (2) are electrically connected.

5. A high and low temperature impact test chamber as described in claim 1, characterized in that: The housing (1) has a slot (42) inside, and the cooling plate (4) is inserted into the slot (42).

6. A high and low temperature impact test chamber as described in claim 1, characterized in that: A connecting block (43) is symmetrically fixed on one side of the cooling plate (4), and the connecting block (43) is connected to the box body (1) by bolts.

7. A high and low temperature impact test chamber as described in claim 1, characterized in that: The upper part of the housing (1) is symmetrically provided with positioning grooves (44), and the side of the cooling plate (4) is symmetrically fixed with positioning posts (45), and the lower end of the positioning posts (45) is movably inserted into the corresponding positioning grooves (44).

8. A high and low temperature impact test chamber as described in claim 1, characterized in that: The box (1) has a door (6) on one side, and the outer surface of the door (6) is fitted with an observation glass (61).

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