CN213886249U

CN213886249U - Three-layer constant temperature and humidity testing machine

Info

Publication number: CN213886249U
Application number: CN202022939523.6U
Authority: CN
Inventors: 刘家林
Original assignee: Wuhan Compass Test Equipment Co ltd
Current assignee: Wuhan Compass Test Equipment Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-08-06
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses a three-layer constant temperature and humidity testing machine, belonging to the technical field of testing equipment, which comprises a casing, wherein the left side of the casing is fixedly connected with a mounting shell, the back side of the casing is fixedly connected with a water storage tank, the front side of the casing is provided with three testing cavities, the inner wall of each testing cavity is fixedly connected with a carrier, the inner bottom wall of each testing cavity is fixedly connected with a water collecting plate, the front side of the mounting shell is provided with a controller, the interior of the mounting shell is provided with a working component corresponding to the testing cavity, the interior of the water storage tank is provided with a water pump, the front side of the water pump is communicated with a first connecting pipe, the first connecting pipe sequentially penetrates through the water storage tank and the casing and is communicated with three vaporific spray nozzles, the utility model can simultaneously test materials under different temperature and humidity conditions, the number of times of repeated tests is reduced, the test efficiency is improved, and the time is saved.

Description

Three-layer constant temperature and humidity testing machine

Technical Field

The utility model relates to a test equipment technical field, more specifically say, relate to a three laminar constant temperature and humidity testing machines.

Background

The temperature and humidity tester can test the heat resistance, cold resistance, drying resistance and humidity resistance of various materials. Is suitable for the use in the industries of electronics, electrical appliances, food, vehicles, metals, chemistry, building materials and the like.

When the existing device is used for testing materials, the same material needs to be tested under different temperatures and humidities, and the repeated test of temperature and humidity adjustment for multiple times is complex and tedious in operation and low in test efficiency, so that a three-layer type constant temperature and humidity testing machine is provided by the technical personnel in the field to solve the problems in the background art.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a three laminar constant temperature and humidity testing machine, its advantage lies in can carrying out the experiment under the different temperature humidity condition to the material simultaneously, has reduced repetition test's number of times, has promoted test efficiency, has saved the time.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a three-layer constant temperature and humidity testing machine, includes the casing, the left side fixedly connected with installation shell of casing, the back fixedly connected with water storage box of casing, quantity is seted up in the front of casing and is three test chamber, the inner wall fixedly connected with carrier of test chamber, the interior diapire fixedly connected with water-collecting plate of test chamber, the front of installation shell is provided with the controller, the inside of installation shell is provided with the work subassembly corresponding with the test chamber, the inside of water storage box is provided with the water pump, the front intercommunication of water pump has first connecting pipe, first connecting pipe runs through water storage box and casing and intercommunication in proper order has quantity to be three vaporific shower nozzle, and is three vaporific shower nozzle runs through three respectively the test chamber extends to the inside of test chamber, vaporific shower nozzle's inner wall is provided with the solenoid valve.

Further, the work assembly comprises a ventilation cavity, the ventilation cavity is formed in the installation shell, a fan is arranged on the inner wall of the ventilation cavity, and the left side of the ventilation cavity is communicated with two variable temperature cavities.

Furthermore, a condenser is arranged in the upper temperature-variable cavity, an electric heating tape is arranged in the lower temperature-variable cavity, and the two temperature-variable cavities are communicated with corresponding test cavities.

Furthermore, the top of the water collecting plate is provided with through holes which are uniformly distributed, the back surface of the water collecting plate is communicated with a second connecting pipe, and the second connecting pipe penetrates through the machine shell and is communicated with the water storage tank.

Furthermore, the input end of the controller is electrically connected with the output ends of the temperature sensor and the humidity sensor respectively, and the output end of the controller is electrically connected with the input ends of the water pump, the electric heating belt, the condenser and the fan respectively.

Furthermore, the front of the casing is hinged with an explosion vent matched with the test cavity, and a transparent plate is embedded into the front of the explosion vent and is made of toughened glass materials.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) the scheme can test materials under different temperature and humidity conditions by arranging the controller, the three test chambers and the corresponding working components, saves the process that an operator conducts repeated temperature and humidity regulation tests on the same material, thereby improving the test efficiency, adjusts the detection values of the temperature sensors and the humidity sensors in the different test chambers by the controller, puts the materials to be tested into the corresponding carrier of the test chambers, turns off the door, starts the fan to keep the air circulation, then turns on the temperature sensors and the humidity sensors, detects the interior of the test chambers according to the preset values by the temperature sensors and the humidity sensors in the test chambers, transmits signals to the controller when the temperature sensors detect that the temperature is too low, transmits signals to start the electric heating strips by the controller, heats the air flow passing through the temperature-changing chamber provided with the electric heating strips, the controller starts the condenser to refrigerate the passing air flow when the detected temperature is too high, so that the temperature in the test cavity is reduced until the temperature reaches a preset value, the condenser is closed, when the humidity does not meet the preset value of the humidity sensor, the controller starts the water pump to pump the water in the liquid storage tank into the first connecting pipe, in the process, the controller transmits signals to the corresponding electromagnetic valve and opens the electromagnetic valve, so that the water enters the corresponding test cavity in a foggy mode through the foggy spray nozzle, and the water pump and the corresponding electromagnetic valve are closed after the humidity in the test cavity is increased until the humidity reaches the preset value;

(2) through setting up water-collecting plate and second connecting pipe, retrieve and utilize remaining moisture, after vaporific water contacts test intracavity wall during the humidification, the drop of water that gathers together and form finally assembles on the water-collecting plate, through on the water-collecting plate through flow into the second connecting pipe in, finally flow into the cistern, practiced thrift the resource, reduced the testing cost, the flow of air has accelerateed the water-collecting process simultaneously, has avoided a large amount of remaining drops of water to produce the influence to the test result.

Drawings

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

FIG. 2 is a top sectional view of the present invention;

FIG. 3 is a front sectional view of the present invention;

fig. 4 is a side sectional view of the present invention.

The reference numbers in the figures illustrate:

1. a housing; 2. mounting a shell; 3. a controller; 4. a test chamber; 5. a working assembly; 6. a temperature sensor; 7. a humidity sensor; 8. a water pump; 9. a water collection plate; 10. a water storage tank; 11. a door; 12. a transparent plate; 401. a carrier; 501. a ventilation cavity; 502. a temperature-variable cavity; 503. a condenser; 504. a fan; 505. an electric heating tape; 801. a first connecting pipe; 901. a second connecting pipe.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-4, a three-layer constant temperature and humidity testing machine comprises a machine shell 1, a mounting shell 2 is fixedly connected to the left side of the machine shell 1, a water storage tank 10 is fixedly connected to the back side of the machine shell 1, three test chambers 4 are arranged on the front side of the machine shell 1, a carrier 401 is fixedly connected to the inner wall of each test chamber 4, a water collecting plate 9 is fixedly connected to the inner bottom wall of each test chamber 4, a controller 3 is arranged on the front side of the mounting shell 2, a working assembly 5 corresponding to each test chamber 4 is arranged in each mounting shell 2, a water pump 8 is arranged in each water storage tank 10, a first connecting pipe 801 is communicated with the front side of each water pump 8, three mist nozzles sequentially penetrate through the water storage tank 10 and the machine shell 1 and are communicated with each other, the three mist nozzles respectively penetrate through the three test chambers 4 and extend into the test chambers 4, and electromagnetic valves are arranged on the inner walls of the mist nozzles, by arranging the controller 3, the three test cavities 4 and the corresponding working assemblies 5, the materials can be tested under different temperature and humidity conditions, the process that operators carry out repeated temperature and humidity adjusting tests on the same materials is saved, and therefore the test efficiency is improved.

Referring to fig. 3, the working assembly 5 includes a ventilation cavity 501, the ventilation cavity 501 is disposed inside the mounting case 2, a fan 504 is disposed on an inner wall of the ventilation cavity 501, the left side of the ventilation cavity 501 is communicated with two temperature changing cavities 502, air inside the test cavity 4 can be kept circulating by the fan 504, and the fan 504 plays a role in guiding air.

Referring to fig. 3, an electric heating belt 505 is arranged inside the upper temperature-variable cavity 502, a condenser 503 is arranged inside the lower temperature-variable cavity 502, the two temperature-variable cavities 502 are both communicated with the corresponding test cavity 4, by arranging the temperature-variable cavity 502, under the action of a fan 504, airflow passes through the temperature-variable cavity 502 and then enters the test cavity 4, and the airflow passing through the temperature-variable cavity 502 can be heated or cooled under the action of the electric heating belt 505 or the condenser 503, so that the effect of adjusting the temperature inside the test cavity 4 is achieved.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, through holes which are uniformly distributed are formed in the top of the water collection plate 9, a second connecting pipe 901 is communicated with the back of the water collection plate 9, the second connecting pipe 901 penetrates through the machine shell 1 and is communicated with the water storage tank 10, after foggy water contacts the inner wall of the test chamber 4 during humidification, water drops which are formed by gathering together are finally gathered on the water collection plate 9, the water drops flow into the second connecting pipe 901 through the water collection plate 9 and finally flow into the water storage tank 10, the water collection plate can be recycled, resources are saved, and the test cost is reduced.

Referring to fig. 1, 2, 3 and 4, an input end of the controller 3 is electrically connected to output ends of the temperature sensor 6 and the humidity sensor 7, respectively, an output end of the controller 3 is electrically connected to input ends of the water pump 8, the electric heating strip 505, the condenser 503 and the fan 504, respectively, when the temperature sensor 6 detects that the temperature is too low, the temperature sensor 6 transmits a signal to the controller 3, the controller 3 transmits a signal to start the electric heating strip 505, so as to achieve an effect of increasing the temperature inside the test chamber 4, and the electric heating strip 505 is turned off until a preset value is reached, when the temperature is detected to be too high, the controller 3 starts the condenser 503 to refrigerate passing air flow, so as to achieve an effect of reducing the temperature inside the test chamber 4, and when the condenser 503 is turned off until the preset value is reached, and the humidity does not meet the preset value of the humidity sensor 7, the controller 3 starts the water pump 8 and a corresponding electromagnetic valve, the water enters the corresponding test cavity 4 in a mist form through the mist spray head, so that the humidity inside the test cavity 4 is improved until the humidity reaches a preset value, and then the water pump 8 and the corresponding electromagnetic valve are closed.

Referring to fig. 1, 2 and 4, the front of the casing 1 is hinged with an explosion vent 11 matched with the test chamber 4, the front of the explosion vent 11 is embedded with a transparent plate 12, the transparent plate 12 is a toughened glass material component, and an operator can conveniently observe the test condition in real time by arranging the transparent plate 12.

The utility model discloses a theory of operation is: when the test is performed, the temperature and humidity conditions to be tested are determined. The detection values of the temperature sensor 6 and the humidity sensor 7 in different test cavities 4 are adjusted through the controller 3, materials to be tested are placed in the corresponding object carrying frame 401 of the test cavity 4, after the door 11 is closed, the fan 504 is started through the controller 3 to keep the air flow in the test cavity 4, the temperature and the humidity in the test cavity 4 are adjusted to be within the preset value under the mutual matching of the controller 3, the battery valve, the temperature sensor 6, the humidity sensor 7 and the corresponding working assembly 5, the condition of the test can be observed in real time by an operator through the arranged transparent plate 12, the real-time data can be conveniently known and mastered, the three test cavities 4 are not interfered with each other, the three groups of test materials are tested at the same time, the operation of the temperature and humidity adjusting repeated test of the operator is saved, the test efficiency is improved, the time is saved, the water collecting plate 9 is matched with the first connecting pipe 801, the residual moisture of vaporific water contact 4 inner walls of test chamber has practiced thrift the resource when recycle humidification, has reduced testing cost, and under the effect of work subassembly 5, this process has been accelerated simultaneously, has avoided a large amount of remaining drops of water to produce the influence to the test result.

It should be noted that, in the above description, the controller 3, the temperature sensor 6, the humidity sensor 7, the condenser 503, the fan 504, the electric heating tape 505, the water pump 8, and the like are all devices that are mature in application in the prior art, and the specific models can be selected according to actual needs, and meanwhile, the power supplied by the controller 3, the temperature sensor 6, the humidity sensor 7, the condenser 503, the fan 504, the electric heating tape 505, and the water pump 8 can be supplied to a built-in power supply or a commercial power supply, and the specific power supply mode is selected according to circumstances and is not described herein.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a three laminar constant temperature and humidity testing machine, includes casing (1), its characterized in that: the left side fixedly connected with installation shell (2) of casing (1), back fixedly connected with water storage tank (10) of casing (1), the front of casing (1) is seted up quantity and is three test chamber (4), the inner wall fixedly connected with carrier (401) of test chamber (4), the interior diapire fixedly connected with water-collecting plate (9) of test chamber (4), the front of installation shell (2) is provided with controller (3), the inside of installation shell (2) is provided with and tests corresponding work component (5) in chamber (4), the inside of water storage tank (10) is provided with water pump (8), the front intercommunication of water pump (8) has first connecting pipe (801), first connecting pipe (801) run through water storage tank (10) and casing (1) and feed through in proper order have quantity to be three fog shower nozzle, three fog shower nozzle runs through threely respectively test chamber (4) and extend to the inside in chamber (4) The inner wall of the mist spray nozzle is provided with an electromagnetic valve.

2. A three-layer constant temperature and humidity tester according to claim 1, wherein: work subassembly (5) are including ventilation chamber (501), the inside at installation shell (2) is seted up in ventilation chamber (501), the inner wall in ventilation chamber (501) is provided with fan (504), the left side intercommunication in ventilation chamber (501) has temperature chamber (502) that become that quantity is two.

3. A three-layer constant temperature and humidity tester according to claim 2, characterized in that: a condenser (503) is arranged inside the temperature-variable cavity (502) above, an electric heating belt (505) is arranged inside the temperature-variable cavity (502) below, and the two temperature-variable cavities (502) are communicated with the corresponding test cavities (4).

4. A three-layer constant temperature and humidity tester according to claim 1, wherein: the top of the water collecting plate (9) is provided with through holes which are uniformly distributed, the back of the water collecting plate (9) is communicated with a second connecting pipe (901), and the second connecting pipe (901) penetrates through the machine shell (1) and is communicated with the water storage tank (10).

5. A three-layer constant temperature and humidity tester according to claim 1, wherein: the input end of the controller (3) is electrically connected with the output ends of the temperature sensor (6) and the humidity sensor (7) respectively, and the output end of the controller (3) is electrically connected with the input ends of the water pump (8), the electric heating belt (505), the condenser (503) and the fan (504) respectively.

6. A three-layer constant temperature and humidity tester according to claim 1, wherein: the front of the machine shell (1) is hinged with an explosion door (11) matched with the test cavity (4), a transparent plate (12) is embedded into the front of the explosion door (11), and the transparent plate (12) is a toughened glass material component.