CN214622233U

CN214622233U - Nonstandard step-in constant temperature and humidity salt fog laboratory

Info

Publication number: CN214622233U
Application number: CN202120390494.4U
Authority: CN
Inventors: 邹文正; 杨雪峰
Original assignee: Nanjing Huanke Testing Equipment Co ltd
Current assignee: Nanjing Huanke Testing Equipment Co ltd
Priority date: 2021-02-22
Filing date: 2021-02-22
Publication date: 2021-11-05
Anticipated expiration: 2031-02-22

Abstract

The utility model discloses a nonstandard step-in constant temperature and humidity salt fog laboratory relates to the experimental technical field of salt fog, for solving the restriction of the receiving material of current salt fog test, once only can test a small amount of samples, the lower problem of efficiency. Install the explosion vent on the preceding terminal surface of laboratory main part, salt fog machine is installed to one side of laboratory main part, PLC control panel is installed to the front end of salt fog machine, the internally mounted of salt fog machine has the liquid storage pot, the inside lower surface mounting of liquid storage pot has electric heating pipe, the connecting pipe is installed to one side of salt fog machine, and the one end of connecting pipe extends to the inside of salt fog machine, the three-way valve is installed to the one end of connecting pipe, the siphon is installed to the lower extreme of three-way valve, and the siphon runs through and extends to the inside of liquid storage pot.

Description

Nonstandard step-in constant temperature and humidity salt fog laboratory

Technical Field

The utility model relates to a salt fog test technical field specifically is a non-standard step-in constant temperature and humidity salt fog laboratory.

Background

The salt spray test is an environmental test for examining the corrosion resistance of products or metal materials by mainly utilizing the artificial simulated salt spray environmental conditions created by salt spray test equipment. The salt spray test standard is a definite specific specification for the salt spray test conditions, such as temperature, humidity, sodium chloride solution concentration, pH value and the like, and in addition, technical requirements are provided for the performance of the salt spray test box. The method for judging the salt spray test result comprises the following steps: a rating judgment method, a weighing judgment method, an etchant occurrence judgment method and a corrosion data statistical analysis method. The products needing salt spray test are mainly metal products, and the corrosion resistance of the products is examined through detection.

However, the existing salt spray test is limited by equipment, only a small amount of samples can be tested at one time, and the efficiency is low; therefore, the existing requirements are not met, and a nonstandard step-in type constant-temperature constant-humidity salt spray laboratory is provided for the requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a non-standard step-in constant temperature and humidity salt fog laboratory to the current salt fog that proposes in solving above-mentioned background is experimental to be restricted by the equipment, once only can test a small amount of samples, the lower problem of efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a nonstandard walk-in constant temperature and humidity salt fog laboratory, includes the laboratory main part, install the explosion vent on the preceding terminal surface of laboratory main part, salt fog machine is installed to one side of laboratory main part, PLC control panel is installed to the front end of salt fog machine, the internally mounted of salt fog machine has the liquid storage pot, the inside lower surface mounting of liquid storage pot has electric heating pipe, the connecting pipe is installed to one side of salt fog machine, and the one end of connecting pipe extends to the inside of salt fog machine, the three-way valve is installed to the one end of connecting pipe, the siphon is installed to the lower extreme of three-way valve, and the siphon runs through and extends to the inside of liquid storage pot, the atomizing pipe is installed to the one end of three-way valve, and the inner wall fixed connection of atomizing pipe and laboratory main part, install the nozzle on the outer wall of atomizing pipe, and the nozzle is provided with five, the inside of laboratory main part is provided with the test chamber, the support rack is installed to the below of test chamber, the last surface mounting who supports the rack has otter board formula goods shelves.

Preferably, a liquid level sensor is installed on one side of the inner wall of the salt spray machine, one end of the liquid level sensor extends into the liquid storage tank, and an electromagnetic water replenishing valve is installed on the outer wall of the liquid storage tank.

Preferably, the below of supporting the rack is provided with retrieves the chamber, retrieve the one end in chamber and install the recovery valve.

Preferably, a temperature and humidity sensor is installed on one side of the inner wall of the main body of the test room, an air exhaust mechanism is installed on the upper surface of the main body of the test room, and a fresh air blower is installed on the other side of the main body of the test room.

Preferably, an air source heat pump is installed at the rear end of the fresh air machine, a capillary network is installed above the test chamber, and a water inlet and a water outlet of the air source heat pump are communicated with the capillary network.

Preferably, an observation window is installed at the front end of the explosion-proof door, and the observation window is fixedly connected with the explosion-proof door.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up otter board formula goods shelves in the laboratory, during the experiment, can put the multiunit sample at otter board formula goods shelves in proper order, treat that indoor humiture reaches the default after, start the electric heating pipe in the liquid storage tank, preheat the salt solution, later rely on the air compressor machine to lead in the connecting tube with compressed air, the salt solution in with the liquid storage tank via the siphon effect takes out the atomizing, nozzle blowout on the atomizing pipe is followed, the shower is on the sample, thereby once carry out test operation simultaneously to the multiunit sample, avoided the experimental restriction of equipment of current salt fog, once only can test a small amount of samples, the lower problem of efficiency.

2. Through set up level sensor and electromagnetism water supply valve on the liquid storage pot, level sensor can the liquid level of real-time detection liquid storage pot interior solution, if be less than the default, then send signal to electromagnetism water supply valve, rely on pumping device with the leading-in liquid storage pot of the solution of prestoring in the external medicine jar in, realize automatic fluid infusion, convenient and fast.

3. Through set up new trend system, capillary network and air source heat pump in the laboratory, wherein, the new trend system can filter outside air, the disinfection, disinfect and increase and decrease wet processing, and introduce it in the laboratory, and air source heat pump can be with few electric energy, absorb a large amount of low temperature heat energy in the air, become high temperature heat energy through the compression of compressor, transmit for the medium, the circulation is leading-in the capillary network, two sets of system synergism, can effectively adjust indoor humiture, make it be in predetermined constant temperature and humidity state, in order to ensure experimental accuracy.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the interior of the liquid storage tank of the present invention;

in the figure: 1. a laboratory body; 2. an air exhaust mechanism; 3. an explosion vent; 4. an observation window; 5. a salt spraying machine; 6. a PLC control panel; 7. a connecting pipe; 8. an electromagnetic water replenishing valve; 9. a liquid storage tank; 10. a three-way valve; 11. a siphon tube; 12. a liquid level sensor; 13. an atomizing tube; 14. a nozzle; 15. a test chamber; 16. a support net rack; 17. a screen type goods shelf; 18. a recovery chamber; 19. a recovery valve; 20. a fresh air machine; 21. a temperature and humidity sensor; 22. a capillary network; 23. an air source heat pump; 24. an electric heating tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: a nonstandard walk-in type constant temperature and humidity salt fog test chamber comprises a test chamber main body 1, an explosion door 3 is installed on the front end face of the test chamber main body 1, a salt fog machine 5 is installed on one side of the test chamber main body 1, a PLC control panel 6 is installed at the front end of the salt fog machine 5, a liquid storage tank 9 is installed inside the salt fog machine 5, an electric heating pipe 24 is installed on the lower surface inside the liquid storage tank 9, a connecting pipe 7 is installed on one side of the salt fog machine 5, one end of the connecting pipe 7 extends into the salt fog machine 5, a three-way valve 10 is installed at one end of the connecting pipe 7, a siphon pipe 11 is installed at the lower end of the three-way valve 10, the siphon pipe 11 penetrates through and extends into the liquid storage tank 9, an atomizing pipe 13 is installed at one end of the three-way valve 10, one end of the atomizing pipe 13 is fixedly connected with the inner wall of the test chamber main body 1, a nozzle 14 is installed on the outer wall of the atomizing pipe 13, and five nozzles 14 are arranged, a test chamber 15 is arranged in the main body 1 of the test chamber, a support net rack 16 is arranged below the test chamber 15, and a screen type shelf 17 is arranged on the upper surface of the support net rack 16.

Further, level sensor 12 is installed to one side of salt fog machine 5 inner wall, and the one end of level sensor 12 extends to the inside of liquid storage pot 9, installs electromagnetism moisturizing valve 8 on the outer wall of liquid storage pot 9, and level sensor 12 model is CYW13, can real-time detection liquid level of solution in the liquid storage pot 9, if be less than the default, then send signal to electromagnetism moisturizing valve 8, rely on pumping device with external medicine tank prestore solution leading-in liquid storage pot 9 in, realize automatic fluid infusion.

Further, a recovery cavity 18 is arranged below the supporting net rack 16, a recovery valve 19 is installed at one end of the recovery cavity 18, salt mist can flow into the recovery cavity 18 along the supporting net rack 16 after being sprayed, cooled and liquefied, and is discharged into a recovery tank through the recovery valve 19 so as to be reused.

Further, temperature and humidity sensor 21 is installed to one side of laboratory main part 1 inner wall, the last surface mounting of laboratory main part 1 has exhaust mechanism 2, new fan 20 is installed to the opposite side of laboratory main part 1, temperature and humidity sensor 21 model is CWS19, can detect the temperature and humidity in the laboratory, new fan 20 of laboratory main part 1 outer wall can filter the outside air, disinfect and increase and decrease wet processing, and introduce it in the laboratory, inside original air then is discharged from exhaust mechanism 2 at top, thereby control humidity in the laboratory, make it be in predetermined constant humid state.

Further, an air source heat pump 23 is installed at the rear end of the fresh air fan 20, a capillary network 22 is installed above the test cavity 15, a water inlet and a water outlet of the air source heat pump 23 are communicated with the capillary network 22, the air source heat pump 23 can absorb a large amount of low-temperature heat energy in air with little electric energy, the low-temperature heat energy is converted into high-temperature heat energy through compression of a compressor and is transmitted to a medium, and the high-temperature heat energy is circularly led into the capillary network 22, so that the effect of adjusting the temperature of the test room is achieved, and the test room can be in a preset constant temperature state.

Further, observation window 4 is installed to the front end of explosion vent 3, and observation window 4 and explosion vent 3 fixed connection, and observation window 4 can follow the visual operating condition in the test room of looking over of outside.

The working principle is as follows: when the device is used, the explosion-proof door 3 of the test room is opened, samples for the test are sequentially placed on the screen plate type goods shelf 17, after the completion, the explosion-proof door 3 is closed again to ensure that the explosion-proof door is in a locking state, then the temperature and the humidity of the test room are set by the PLC control panel 6, after the completion, the temperature and the humidity in the test room are adjusted by the fresh air system and the capillary network 22 air conditioning system, after a preset value is reached, the electric heating pipe 24 in the liquid storage tank 9 is started to preheat the salt solution, then compressed air is guided into the connecting pipe 7 by the air compressor, the salt solution in the liquid storage tank 9 is pumped out and atomized by the siphoning effect, the salt solution is sprayed out along the nozzle 14 on the atomizing pipe 13 and sprinkled on the samples, after the test is finished, the siphoning flow passage of the three-way valve 10 is closed, the connecting pipe 7 is connected with the water tank, clean water is pumped to the nozzle 14 by the pumping device and is sprayed on the samples to clean salt deposits on the surface, after two hours of recovery, the test sample is subjected to a salt spray test to determine that waste liquid generated during cleaning can flow into the recovery cavity 18 along the support net frame 16 and be discharged into a recovery tank by virtue of a recovery valve 19 so as to be reused after treatment.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a non-standard step-in constant temperature and humidity salt fog laboratory, includes laboratory main part (1), its characterized in that: install explosion vent (3) on the preceding terminal surface of laboratory main part (1), salt fog machine (5) are installed to one side of laboratory main part (1), PLC control panel (6) are installed to the front end of salt fog machine (5), the internally mounted of salt fog machine (5) has liquid storage pot (9), the inside lower surface mounting of liquid storage pot (9) has electric heating pipe (24), connecting pipe (7) are installed to one side of salt fog machine (5), and the one end of connecting pipe (7) extends to the inside of salt fog machine (5), three-way valve (10) are installed to the one end of connecting pipe (7), siphon (11) are installed to the lower extreme of three-way valve (10), and siphon (11) run through and extend to the inside of liquid storage pot (9), atomizing pipe (13) are installed to the one end of three-way valve (10), and the one end of atomizing pipe (13) and the inner wall fixed connection of laboratory main part (1), install nozzle (14) on the outer wall of atomizing pipe (13), and nozzle (14) are provided with five, the inside of laboratory main part (1) is provided with test chamber (15), support rack (16) are installed to the below of test chamber (15), the last surface mounting who supports rack (16) has otter board formula goods shelves (17).

2. The nonstandard walk-in constant temperature and humidity salt fog laboratory of claim 1, characterized in that: liquid level sensor (12) are installed to one side of salt fog machine (5) inner wall, and the one end of liquid level sensor (12) extends to the inside of liquid storage pot (9), install electromagnetism moisturizing valve (8) on the outer wall of liquid storage pot (9).

3. The nonstandard walk-in constant temperature and humidity salt fog laboratory of claim 1, characterized in that: the below of support rack (16) is provided with retrieves chamber (18), retrieve valve (19) are installed to the one end in chamber (18) of retrieving.

4. The nonstandard walk-in constant temperature and humidity salt fog laboratory of claim 1, characterized in that: temperature and humidity sensor (21) are installed to one side of laboratory main part (1) inner wall, the last surface mounting of laboratory main part (1) has exhaust mechanism (2), new fan (20) are installed to the opposite side of laboratory main part (1).

5. The non-standard walk-in type constant temperature and humidity salt fog test room of claim 4, wherein: an air source heat pump (23) is installed at the rear end of the fresh air fan (20), a capillary network (22) is installed above the test cavity (15), and a water inlet and a water outlet of the air source heat pump (23) are communicated with the capillary network (22).

6. The nonstandard walk-in constant temperature and humidity salt fog laboratory of claim 1, characterized in that: an observation window (4) is installed at the front end of the explosion door (3), and the observation window (4) is fixedly connected with the explosion door (3).