Automatic water replenishing device for constant-temperature and constant-humidity test chamber

Abstract

The utility model provides an automatic water replenishing device for a constant-temperature and constant-humidity test chamber, and belongs to the technical field of test chambers. Comprising a constant-temperature and constant-humidity test box, a water replenishing tank and a water inlet pipe, the water inlet pipe is located above the water replenishing tank, one side of the water inlet pipe is communicated with a branch pipe, the water inlet pipe is provided with a branch pipe closing assembly in a matched mode, and the branch pipe closing assembly comprises a mounting plate, a guide rod, a spring, a moving plate, a floating ball, a push rod and a piston; the piston and the push rod are arranged on the inner side of the water inlet pipe, matched with the water inlet pipe in inner diameter and fixedly connected. Through the arrangement of the branch pipe closing assembly, the structure is simple, the production cost of the equipment is reduced, and the equipment can be used according to actual requirements and is more humanized.

Description

TECHNICAL FIELD

[0001] The utility model provides a kind of constant temperature and humidity test chamber automatic water replenishing device, belong to test chamber technical field. BACKGROUND

[0002] Constant temperature and humidity test chamber is a kind of equipment for simulating various environmental conditions, mainly used for testing and evaluating the performance and reliability of products under different temperature and humidity conditions. This test chamber can accurately control temperature and humidity to simulate extreme environmental conditions, such as high temperature and humidity, low temperature and humidity, etc., so as to help manufacturers ensure that their products can work normally in actual use environment.

[0003] Based on the above, the present inventors have found that:

[0004] The water in the water tank of the constant temperature and humidity test chamber is usually replenished manually or by using a float ball assembly, which utilizes a buoyancy switch and a water flushing pump to automatically replenish water. This structure is complex, uses many components, and has high equipment production cost. It continues to replenish water even when not in use for a long time, and bacteria can easily breed in the water tank. It is not user-friendly as it keeps the water tank full of water at all times.

[0005] Therefore, in view of the above, the existing structure is improved, and an automatic water replenishing device for constant temperature and humidity test chamber is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0006] The technical problem to be solved by the utility model is the traditional automatic water replenishing device for constant temperature and humidity test chamber, which has a complex structure, high equipment production cost, and cannot be used according to actual needs, which is not user-friendly.

[0007] To solve the above problems, the utility model proposes the following technical solution: an automatic water replenishing device for constant temperature and humidity test chamber, comprising a constant temperature and humidity test chamber, a water replenishing tank, and a water inlet pipe. The water inlet pipe is located above the water replenishing tank. A branch pipe is connected to one side of the water inlet pipe, and a branch pipe closing assembly is arranged in cooperation with the water inlet pipe. The branch pipe closing assembly comprises a mounting plate, a guide rod, a spring, a moving plate, a float ball, a push rod, and a piston. The mounting plate and the moving plate are arranged outside the water inlet pipe. The piston and the push rod are arranged inside the water inlet pipe and are adapted to the inner diameter of the water inlet pipe. The piston and the push rod are fixedly connected.

[0008] Further, the mounting plate is fixedly connected to the water inlet pipe, and the guide rod is arranged equidistantly at the center of the mounting plate. The guide rod is fixedly connected to the mounting plate, and the moving plate is arranged on the guide rod.

[0009] Further, the spring is arranged between the mounting plate and the moving plate and is fixedly connected thereto. The spring is arranged outside the guide rod. The push rod is fixedly connected to the moving plate.

[0010] Further, the push rod lower end is provided with a groove and the water inlet pipe lower end is placed in the groove.

[0011] Further, the float ball is placed at the push rod lower end and fixedly connected with the push rod.

[0012] Due to the adoption of the above technical scheme, the automatic water replenishing device of the constant temperature and humidity test chamber has the following beneficial effects:

[0013] 1. The branch pipe closing assembly is simple in structure and reduces the production cost of the equipment.

[0014] 2. The related components of the float ball switch automatically add water when reaching the lowest point, and always keep water in the water replenishing tank. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application and explain the principles of the present application, and do not limit the present application. In the drawings:

[0016] Figure 1 It is a perspective view of the automatic water replenishing device of the constant temperature and humidity test chamber.

[0017] Figure 2 It is an elevation view of the automatic water replenishing device of the constant temperature and humidity test chamber.

[0018] Figure 3 It is a perspective view of the automatic water replenishing device of the constant temperature and humidity test chamber.

[0019] Figure 4 It is a sectional view of the automatic water replenishing device of the constant temperature and humidity test chamber.

[0020] In the drawings:

[0021] 1. Water replenishing tank; 2. Water inlet pipe; 3. Branch pipe; 4. Mounting plate; 5. Guide rod; 6. Spring; 7. Float ball; 8. Push rod; 9. Piston; 10. Groove; 11. Moving plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0023] The present application fully explains the problems of the prior art in the technical background, and there is no problem of generality. The problems to be solved by the present application are specifically described in the following utility model content and specific embodiments, the technical problems to be solved by the technical solutions are determined, and the beneficial effects of the technical solutions of the present application relative to the objective prior art are determined.

[0024] Please refer to Figures 1-4 As shown in the utility model provides a kind of constant temperature and humidity test chamber automatic water replenishing device: including constant temperature and humidity test chamber, water replenishing tank 1, water inlet pipe 2, the water inlet pipe 2 is located above water replenishing tank 1, the water inlet pipe 2 side is communicated with branch pipe 3 and water inlet pipe 2 is cooperatively provided with branch pipe closing assembly and branch pipe closing assembly includes mounting plate 4, guide rod 5, spring 6, moving plate 11, float ball 7, push rod 8, piston 9, the push rod 8 lower end is provided with recess 10 and the lower end of water inlet pipe 2 is placed in recess 10, the mounting plate 4, moving plate 11 are sleeved on the outer side of water inlet pipe 2, the piston 9, push rod 8 are placed in the inner side of water inlet pipe 2 and adapt to its inner diameter and piston 9 is fixedly connected with push rod 8.

[0025] As Figures 2-4 As shown in the utility model provides a kind of constant temperature and humidity test chamber automatic water replenishing device: including constant temperature and humidity test chamber, water replenishing tank 1, water inlet pipe 2, the water inlet pipe 2 is located above water replenishing tank 1, the water inlet pipe 2 side is communicated with branch pipe 3 and water inlet pipe 2 is cooperatively provided with branch pipe closing assembly and branch pipe closing assembly includes mounting plate 4, guide rod 5, spring 6, moving plate 11, float ball 7, push rod 8, piston 9, the push rod 8 lower end is provided with recess 10 and the lower end of water inlet pipe 2 is placed in recess 10, the mounting plate 4, moving plate 11 are sleeved on the outer side of water inlet pipe 2, the piston 9, push rod 8 are placed in the inner side of water inlet pipe 2 and adapt to its inner diameter and piston 9 is fixedly connected with push rod 8.

[0026] The spring 6 is located between the mounting plate 4 and the moving plate 11 and is fixedly connected therewith, the spring 6 is sleeved on the outer side of the guide rod 5, and the push rod 8 is fixedly connected with the moving plate 11.

[0027] The float ball 7 is placed at the lower end of the push rod 8 and is fixedly connected with the push rod 8.

[0028] The principle of the automatic water replenishing device of the constant temperature and humidity test chamber is that a switch valve is arranged on the water inlet pipe, and the switch valve is controlled to be opened and closed by a power control switch controller. The existing technology can be used, and the above content is not protected by the present application.

[0029] When the switch valve is opened, water is added into the water tank through the water inlet pipe and branch pipe, the float ball rises due to the buoyancy of water, the float ball drives the push rod and the moving plate to move on the guide rod and press the spring, and at the same time, the push rod drives the piston to move in the water inlet pipe upwards,Figure 4 As shown, the branch pipe is blocked so as not to be filled with water, at this time, the lower end of the water inlet pipe is arranged in the groove, when the water level drops, the spring drives the moving plate, the push rod and the floating ball to drop, so that the push rod does not block the branch pipe, so that the branch pipe is communicated with the water inlet pipe, and water can continue to be filled, wherein the spring, the gravity of the floating ball and the buoyancy of the floating ball are within a reasonable range, so that the gravity and the buoyancy of the floating ball are greater than the force of the spring and the water inlet when the water level exceeds the warning line, the branch pipe can be blocked, under the action of the gravity of the spring and the floating ball, the floating ball can drop, so that the push rod can branch the pipe, ensure water inlet, the water tank is of transparent structure, so that it can penetrate to the internal condition, if there is an emergency, it can be repaired in time, and when not used for a long time, the switch valve can be closed.

[0030] The utility model discloses a branch pipe closed assembly's setting, simple structure has reduced the production cost of equipment and can use according to actual need, more humanization.

[0031] The above describes the utility model and its implementation mode, and this description is not restrictive, and the embodiment shown in the drawings is only one of the utility model, and the actual structure is not limited to this. In short, if the ordinary skilled in the art is inspired, without departing from the utility model creation tenet, the similar structure mode and the embodiment of not creative design are not included in the protection scope of the utility model.

Claims

1. A constant temperature and humidity test chamber automatic water replenishing device, comprising a constant temperature and humidity test chamber, a water replenishing tank (1), and a water inlet pipe (2), wherein the water inlet pipe (2) is located above the water replenishing tank (1), characterized in that, The water inlet pipe (2) is communicated with branch pipes (3) on one side, and the water inlet pipe (2) is provided with a branch pipe closing assembly, and the branch pipe closing assembly comprises a mounting plate (4), a guide rod (5), a spring (6), a moving plate (11), a floating ball (7), a push rod (8) and a piston (9), the mounting plate (4) and the moving plate (11) are sleeved outside the water inlet pipe (2), the piston (9) and the push rod (8) are arranged inside the water inlet pipe (2) and are matched with the inner diameter of the water inlet pipe (2), and the piston (9) and the push rod (8) are fixedly connected.

2. The automatic water supplementing device of a constant temperature and humidity test chamber according to claim 1, characterized in that: The mounting plate (4) is fixedly connected with the water inlet pipe (2), and the guide rod (5) is arranged at the center of the mounting plate (4) at equal distances, the guide rod (5) is fixedly connected with the mounting plate (4), and the moving plate (11) is arranged on the guide rod (5).

3. The automatic water supplementing device of a constant temperature and humidity test chamber according to claim 1, characterized in that: The spring (6) is arranged between the mounting plate (4) and the moving plate (11) and is fixedly connected with the mounting plate (4) and the moving plate (11), the spring (6) is sleeved outside the guide rod (5), and the push rod (8) is fixedly connected with the moving plate (11).

4. The automatic water supplementing device of a constant temperature and humidity test chamber according to claim 1, characterized in that: The push rod (8) is provided with a groove (10) at the lower end, and the lower end of the water inlet pipe (2) is arranged in the groove (10).

5. The automatic water supplementing device of a constant temperature and humidity test chamber according to claim 1, characterized in that: The floating ball (7) is arranged at the lower end of the push rod (8) and is fixedly connected with the push rod (8).

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