Salt spray test box
By using a motor-driven conical block to rotate in the salt spray test chamber to generate centrifugal force and a sleeve to diffuse the salt spray, combined with a filter and an inverted V-shaped lid design, the problems of uneven salt spray diffusion and condensate dripping are solved, improving experimental efficiency and product protection.
Patent Information
- Application Number
- CN202422725761.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-08
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-11-08
AI Technical Summary
The existing salt spray test chambers have poor salt spray diffusion, which affects the efficiency of the experiment, especially in the initial stage.
The system combines a spray pipe with a conical block. The conical block is driven by a motor to rotate and generate centrifugal force. The sleeve enhances the salt spray diffusion effect, and the salt solution is filtered through a filter. An inverted V-shaped cover prevents condensation from dripping.
It achieves uniform diffusion of salt spray within the test chamber, improves experimental efficiency, and prevents condensate from dripping directly onto the surface of the test product.
Smart Images
Figure CN223679027U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to salt mist test chamber technical field especially relates to a salt mist test chamber. BACKGROUND
[0002] Salt mist test is a kind of environment test mainly using artificial simulated salt mist environment condition created by salt mist test chamber to examine the corrosion resistance of product or metal material, and the salt mist test chamber is mainly composed of case, lid, placing rack, salt water tank, spray pipe and conical tower fixed on the spray pipe and other structures.
[0003] When using the salt mist test chamber to test the corrosion resistance of the product to be tested, the product to be tested is usually placed on the top end of the placing rack inside the case, and then the salt water solution in the salt water tank is sprayed out in the form of water mist through the spray pipe, and the salt water solution hits the inclined surface of the conical tower, so that the flow direction of the salt mist sprayed by the spray pipe is changed to make the salt mist spread outward to the inside of the case.
[0004] However, the diffusion effect is relatively poor when the flow direction of the salt mist near the spray pipe is changed by the impact force of the salt water solution and the inclined surface of the conical tower to spread to the inside of the case, especially in the initial stage of the experiment, because the salt mist spreads relatively slowly, which affects the efficiency of the salt mist experiment. UTILITY MODEL CONTENT
[0005] In order to make up for the above shortcomings, the utility model provides a salt mist test chamber, which aims to improve the problem of poor diffusion effect and uneven salt distribution in the inside of the case when the flow direction of the salt mist near the spray pipe is changed by the impact force of the salt water solution and the inclined surface of the conical tower to spread to the inside of the case in the prior art.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a salt mist test chamber, comprising:
[0007] The case is fixedly connected with a salt water tank in the middle of the inner bottom wall, the salt water tank is fixedly connected with a spray pipe at the top, a spray head is installed in the inner cavity of the spray pipe at the bottom, and the spray head is used for spraying salt water solution;
[0008] A filter is located in the inside of the salt water tank, and the filter is communicated with the bottom end of the spray pipe through a pipeline for filtering the salt water solution in the salt water tank;
[0009] A fixing frame is fixedly connected on the outside of the top of the spray pipe, the fixing frame is fixedly connected with a motor at the top end, the driving end of the motor is fixedly connected with a conical block penetrating through the inner top wall of the fixing frame, the conical block is fixedly connected with a sleeve on the outside, the sleeve is sleeved on the outside of the top of the spray pipe, and a ventilation opening is formed in the outside of the sleeve for improving the diffusion speed of the salt mist.
[0010] As a further description of the above technical solutions:
[0011] Further comprising a plurality of protrusions, respectively fixedly connected on both sides of the inner side wall of the case, a placing rack being mounted on the top end of the protrusion;
[0012] A plurality of placing racks are mounted at both ends of the top end of the protrusion;
[0013] A plurality of grooves are respectively provided on the top of both sides of the inner side wall of the case;
[0014] A plurality of auxiliary rods are respectively inserted into the grooves.
[0015] As a further description of the above technical solutions:
[0016] The top end of the fixing frame is fixedly connected with a shell for covering the motor inside the shell.
[0017] As a further description of the above technical solutions:
[0018] The protrusion is provided in a V-shaped structure, the placing rack is provided in a V-shaped structure, and the placing rack is staggered with the auxiliary rod.
[0019] As a further description of the above technical solutions:
[0020] The top end of the case is provided with a slot.
[0021] As a further description of the above technical solutions:
[0022] The top end of the case is hingedly connected with a cover, and the bottom end of the cover is inserted into the slot.
[0023] As a further description of the above technical solutions:
[0024] The cover is provided in an inverted V-shaped structure to prevent the condensed water on the cover from directly dripping onto the surface of the product to be tested.
[0025] The utility model has the following beneficial effects:
[0026] In the utility model, when the spray pipe sprays the salt water solution, the motor is started to drive the conical block to rotate, the conical block drives the sleeve to generate centrifugal force, the salt mist sprayed by the spray pipe is evenly thrown around the case, and the diffusion effect of the conical block on the salt mist sprayed by the spray pipe is improved.
[0027] Under the action of the centrifugal force of the sleeve, the air near the top of the spray pipe is thrown out, a negative pressure is generated at the top of the spray pipe, the pressure at the top of the spray pipe is smaller than that at the bottom of the spray pipe, the salt mist quickly flows to the top of the spray pipe and is sprayed out. BRIEF DESCRIPTION OF DRAWINGS
[0028] Figure 1 isometric view of the utility model;
[0029] Figure 2 is a sectional view of the utility model case;
[0030] Figure 3 is a sectional view of the utility model fixed frame;
[0031] Figure 4 is a structural schematic view of the utility model case.
[0032] Legend:
[0033] 1, case; 2, cover; 3, slot; 4, salt water tank; 5, protruding block; 6, recess; 7, shell; 8, fixed frame; 9, spray pipe; 10, auxiliary rod; 11, placing rack; 12, conical block; 13, motor; 14, filter; 15, sleeve. DETAILED DESCRIPTION
[0034] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0035] With reference to Figures 1-4 , the utility model provides an embodiment: a salt spray test chamber, including the case 1, the inside wall both sides top of case 1 are fixedly connected with multiple protruding blocks 5, protruding block 5 is set as V-shaped structure, and the top of protruding block 5 is placed with placing rack 11, and placing rack 11 is set as V-shaped structure, and the inside wall both sides top of case 1 are all set with multiple recesses 6, and recess 6 is inserted with auxiliary rod 10, as Figure 2 Indicated, placing rack 11 is below auxiliary rod 10, and placing rack 11 and auxiliary rod 10 are staggered, as Figure 4 Indicated, the product to be tested is placed to the top of placing rack 11, and the top of the product to be tested is abutted on auxiliary rod 10, and the product to be tested is supported.
[0036] The top of case 1 is set with slot 3, and one side of the top of case 1 is hingedly connected with cover 2, and the bottom end of cover 2 is inserted in the inside of slot 3, and cover 2 is set as inverted V-shaped structure, and the angle of the top angle of cover 2 is 110-112 degrees, so that after the salt mist in the inside of case 1 produces condensate water when touching cover 2, the condensate water on the surface of cover 2 will flow to the edge of cover 2 along the inclined surface of cover 2, and will not directly drop on the surface of the product to be tested.
[0037] Hand turn box cover 2, the bottom of the box cover 2 is inserted into the slot 3 to close the case 1, and then pour water into the slot 3 to seal the gap between the bottom of the box cover 2 and the slot 3, so that the salt mist in the case 1 does not leak from the bottom of the box cover 2.
[0038] The inner bottom of the case 1 is fixedly connected with a saltwater tank 4, the top of the saltwater tank 4 is fixedly connected with a spray pipe 9, and the bottom of the spray pipe 9 is not communicated with the top of the saltwater tank 4, and the inner cavity of the spray pipe 9 is provided with a spray head;
[0039] The inside of the case 1 is also provided with a power structure for providing power to the spray head, the bottom end of the spray pipe 9 is communicated with a pipeline, the other end of the pipeline is communicated with a filter 14 penetrating through the inner top wall of the saltwater tank 4, and the connection between the spray pipe 9, the spray head, the filter 14, the power structure and the related structure thereof can refer to the LP / YWX-020 salt mist test box, and the working principle is the same.
[0040] The saltwater solution in the saltwater tank 4 is transported to the inside of the spray pipe 9 through the filter 14, and is sprayed in the form of smoke into the inside of the case 1, so as to test the products to be tested in the inside of the case 1.
[0041] The top outside of the spray pipe 9 is fixedly connected with a fixing frame 8, the fixing frame 8 is provided as a cylindrical frame structure, a penetrating hole is formed in the inner top wall of the fixing frame 8, the top end of the fixing frame 8 is fixedly connected with a motor 13, the driving end of the motor 13 is fixedly connected with a conical block 12 penetrating through the penetrating hole, the outer side of the conical block 12 is fixedly connected with a sleeve 15, a ventilation opening is formed in the outer side of the sleeve, the top of the sleeve 15 is attached to the inner top wall of the fixing frame 8, the bottom of the sleeve 15 is an open structure, and the bottom of the sleeve 15 is sleeved on the top outside of the spray pipe 9, as shown in Figure 3 .
[0042] When the saltwater solution is sprayed out of the inside of the spray pipe 9, the motor 13 is started to drive the conical block 12 to rotate and drive the sleeve 15 to generate centrifugal force, so that the salt mist sprayed out of the spray pipe 9 is uniformly thrown into the inside of the case 1, the diffusion effect of the salt mist sprayed out of the spray pipe 9 is improved, and the smoke is more uniformly distributed in the inside of the case 1; under the action of the centrifugal force of the sleeve 15, the air near the top of the spray pipe 9 is thrown out, so that the top of the spray pipe 9 generates negative pressure, because the pressure at the top end of the spray pipe 9 is small, the salt mist at the inner bottom of the spray pipe 9 flows quickly to the top of the spray pipe 9 and is sprayed out of the inside of the spray pipe 9.
[0043] The top end of the frame is fixedly connected with an outer shell 7, the outer shell 7 is sleeved on the outer side of the motor 13, the outer shell 7 is provided as an open cavity structure at the bottom, the material of the outer shell 7 is epoxy glass steel, the outer shell 7 is sleeved on the outer side of the motor 13, and the salt mist falling on the outer side of the motor 13 is blocked, so that the salt mist in the inside of the case 1 does not contact the surface of the motor 13 to corrode the motor 13.
[0044] When the product to be tested needs to be tested, the hand turns the box cover 2 to open the case 1, places the two ends of the placing rack 11 on the top end of the protrusion 5 respectively, inserts the two ends of the auxiliary rod 10 into the recess 6 respectively, places the product to be tested on the top end of the placing rack 11, makes the top of the product to be tested abut against the surface of the auxiliary rod 10, reversely turns the box cover 2, inserts the bottom of the box cover 2 into the slot 3 to close the case 1, pours clean water into the slot 3 to seal the gap between the bottom of the box cover 2 and the top of the case 1, filters the salt water solution in the salt water tank 4 through the filter 14 and sends it into the spray pipe 9, sprays the salt water in the form of salt mist into the case 1, and starts the motor 13 to drive the conical block 12 to rotate to drive the sleeve 15 to generate centrifugal force, so that the salt mist sprayed by the spray pipe 9 is evenly thrown into the case 1, improving the diffusion effect of the salt mist sprayed by the spray pipe 9.
[0045] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.
Claims
1. A salt spray test chamber characterized by: The utility model relates to a salt spray test box, including The cabinet (1) bottom wall middle part fixed connection has brine groove (4), brine groove (4) top fixed connection has the spray pipe (9), the spray pipe (9) inner chamber bottom installs the shower nozzle, and the shower nozzle is used to spray brine solution; Filter (14) is located in brine groove (4) inside, and filter (14) is communicated with the spray pipe (9) bottom end through the pipeline for filtering brine solution in brine groove (4); Fixed frame (8) fixed connection is established at the spray pipe (9) top outside, and fixed frame (8) top end fixed connection has motor (13), and the motor (13) drive end penetrates the fixed frame (8) inner top wall fixed connection has the taper block (12), and the taper block (12) outside fixed connection has the sleeve (15), and the sleeve (15) bottom sleeve is connected in the spray pipe (9) top outside, and the sleeve (15) outside is equipped with the vent, is used to improve the diffusion speed of salt fog.
2. The salt spray test chamber of claim 1, wherein; Still including a plurality of lugs (5) are fixedly connected in the cabinet (1) inner side wall both sides respectively, and the lug (5) top end mounting has the placing rack (11); A plurality of placing racks (11) are installed at the lug (5) top end respectively; A plurality of grooves (6) are respectively arranged in the cabinet (1) inner side wall both sides top; A plurality of auxiliary rods (10) are respectively inserted into the grooves (6).
3. The salt spray test chamber of claim 1, wherein; The fixed frame (8) top end fixed connection has the shell (7), is used to cover the motor (13) in the shell (7) inside.
4. A salt spray test chamber as claimed in claim 2, wherein: The lug (5) is provided as a V-shaped structure, the placing rack (11) is provided as a V-shaped structure, and the placing rack (11) and the auxiliary rod (10) are staggered.
5. A salt spray test chamber as claimed in claim 1, wherein: The cabinet (1) top is provided with a slot (3).
6. A salt spray test chamber according to claim 5, characterised in that: The cabinet (1) top is hinged with a box cover (2), and the box cover (2) bottom is inserted into the slot (3).
7. A salt spray test chamber according to claim 6, characterised in that: The box cover (2) is provided as an inverted V-shaped structure to prevent the condensed water on the box cover (2) from directly dropping onto the surface of the product to be tested.