Controller thermal aging device

Abstract

The utility model discloses a controller thermal aging device, which comprises an air compressor, a controller and a power supply, the power supply, the controller and the air compressor are electrically connected in sequence, the low-pressure end and the high-pressure end of the air compressor are respectively connected with a rubber tube, and the rubber tube is provided with a one-way valve. Current values flowing to the controller and the air compressor are controlled by adjusting the opening degree of the one-way valve so as to simulate and test the performance of the controller, and the device can verify the thermal aging state of the controller, so that unqualified controllers can be screened and removed, and the ex-factory qualified rate and stability of the controller are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of controller testing, and in particular relates to a controller thermal aging device. Background Art

[0002] The controller mainly includes PCBA board, housing and other components. The controller is shipped after simple functional verification without full cycle testing, making it difficult to verify the thermal aging of the controller. The following problems may occur when a controller that has not been thermally verified is used in an air compressor: insufficient stability, improper controller selection or quality problems may cause damage to electronic components after a period of use, affecting the stability of the air compressor; the PCBA board of the controller has the risk of cold soldering, and the solder joints may fall off after being affected by high temperature, vibration, etc., resulting in poor contact and causing the air compressor to be unable to use normally. Utility Model Content

[0003] The purpose of the utility model is to solve at least one problem of the prior art and to provide a controller thermal aging device.

[0004] To achieve the above-mentioned purpose, the utility model proposes a controller thermal aging device, including an air compressor, a controller, and a power supply. The power supply, controller, and air compressor are electrically connected in sequence. The low-pressure end and the high-pressure end of the air compressor are respectively connected to hoses, and the hoses are equipped with one-way valves. The opening of the one-way valve is adjusted to control the current value flowing to the controller and the air compressor to simulate the performance of the test controller.

[0005] Preferably, the device further comprises a fan, which is arranged relative to the air compressor and is used for dissipating heat from the air compressor, and the fan is electrically connected to a power supply.

[0006] Preferably, the device further comprises a current relay, and the current relay is electrically connected to the power supply and the controller respectively.

[0007] The beneficial effects of the utility model are as follows: the utility model uses the air compressor as a load, controls the current value flowing to the controller by adjusting the opening of the one-way valve connected to the low-pressure end and the high-pressure end of the air compressor, and simulates the operating condition of the test controller under normal working conditions when the one-way valve is opened at a low degree, so as to screen out unqualified controllers and improve the qualification rate and stability of the controller.

[0008] The features and advantages of the present invention will be described in detail through embodiments in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a structural schematic diagram of an embodiment of the utility model.

[0010] In the figure: 1-air compressor, 2-controller, 3-power supply, 4-hose, 5-current relay, 6-fan, 11-low pressure end, 12-high pressure end, 41-check valve. DETAILED DESCRIPTION

[0011] In order to make the purpose, technical scheme and advantages of the embodiment of the present application clearer, the technical scheme in the embodiment of the present application will be clearly and completely described in conjunction with the drawings in the embodiment of the present application. Obviously, the described embodiment is a part of the embodiment of the present application, not all of the embodiments. The components of the embodiment of the present application described and shown in the drawings here can be arranged and designed in various different configurations. In the description of the present application, it should be noted that the orientation or position relationship indicated by the terms "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship usually placed when the application product is used, which is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0012] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "disposed" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0013] The utility model is described in detail below in conjunction with the accompanying drawings.

[0014] See also Figure 1 The present embodiment provides a controller thermal aging device, including an air compressor 1, a controller 2, and a power supply 3. The power supply 3, the controller 2, and the air compressor 1 are electrically connected in sequence. The low-pressure end 11 and the high-pressure end 12 of the air compressor 1 are respectively connected to a hose 4, and the hose 4 is installed with a one-way valve 41. The opening of the one-way valve 41 is adjusted to control the current value flowing to the controller 2 and the air compressor 1 to simulate the performance of the test controller 2.

[0015] In this embodiment, the device also includes a fan 6, which is arranged relative to the air compressor 1 and is used to dissipate heat for the air compressor 1. The fan 6 is electrically connected to the power supply 3, and the fan 6 is aimed at the air compressor 1 to dissipate heat to prevent the air compressor 1 from overheating due to too long running time / excessive load.

[0016] In this embodiment, the device also includes a current relay 5, which is electrically connected to the power supply 3 and the controller 2 respectively. The current relay 5 plays the role of displaying the current value and protecting the controller, monitoring the current in real time and avoiding damage to the controller due to excessive current caused by faults.

[0017] Working process of this utility model:

[0018] During operation of the controller thermal aging device, when the PCBA board of the controller 2 is subjected to a thermal aging test, the PCBA board is electrically connected to the air compressor and the current relay. The smaller the opening of the one-way valve 41 connected to the low-pressure end 11 and the high-pressure end 12 of the air compressor 1, the less gas can pass through the one-way valve 41. When the motor shaft speed of the air compressor 11 remains unchanged, the resistance is greater, so that the load of the motor is greater, and the current value flowing to the controller 2 and the motor of the air compressor 11 is greater. The maximum current value can reach 7A-8A. Under high current conditions, the thermal aging of the controller 2 can be accelerated. If the PCBA board of the controller 2 has a cold solder joint or unqualified components, the air compressor 1 will stop working or an abnormal situation will occur, so that the defective PCBA board of the controller 2 can be screened out before leaving the factory.

[0019] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention falls within the protection scope of the present invention.

Claims

1. A controller thermal aging device, characterized in that: It includes an air compressor, a controller, and a power supply. The power supply, the controller, and the air compressor are electrically connected in sequence. The low-pressure end and the high-pressure end of the air compressor are respectively connected to hoses, and the hoses are equipped with check valves. The opening of the check valve is adjusted to control the current value flowing to the controller and the air compressor to simulate the performance of the test controller.

2. A controller thermal aging device as claimed in claim 1, characterized in that: It also includes a fan, which is arranged relative to the air compressor and is used for dissipating the heat of the air compressor. The fan is electrically connected to a power source.

3. A controller thermal aging device as claimed in claim 1, characterized in that: It also includes a current relay, which is electrically connected to the power supply and the controller respectively.

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