CN219573966U - Test device with adjustable high low temperature - Google Patents

Abstract

The utility model relates to the technical field of testers, in particular to a test device with adjustable high and low temperature, which comprises a device body, wherein a first baffle plate and a second baffle plate are respectively and fixedly arranged in the device body, a test groove is formed between the first baffle plate and the second baffle plate, and ventilation plates are fixedly arranged on the left side surface, the right side surface and the rear side surface of the inside of the test groove; in addition, the heating gas or the refrigerating gas can flow in a plurality of directions in the gas circulation area, so that the gas can uniformly enter the inside of the test tank, the temperature uniformity effect in the test tank is greatly improved, and the test efficiency of the product is accelerated.

Description

Test device with adjustable high low temperature

Technical Field

The utility model relates to the technical field of testers, in particular to a high-low temperature adjustable tester.

Background

The temperature and humidity testing machine is also called a constant temperature and humidity testing machine, is experimental equipment which is specially used for testing the temperature and humidity of various industrial products, and is mainly used for testing products such as electronics, electricians, hardware, LEDs, chemical engineering, plastics, batteries, instruments and meters and the like.

The test device is mainly a device which is produced according to different high and low temperatures which need to be tested for different products, and when the test device tests the temperature of the products, the common problems are that: (1) If the test process of the product is that the temperature is first high and then suddenly changed into low temperature, the prior method is as follows: firstly, when the temperature of the air conditioner is reduced, refrigerating operation is performed, but the process needs more time, so that the test efficiency is reduced; secondly, the refrigerating operation is directly carried out, the temperature is directly reduced, but more refrigerating energy consumption is required in the cold and hot consumption process, and the production cost is further increased; (2) Whether heating or in the refrigerating process, the heating gas and the refrigerating gas only flow in one direction, the unidirectional flowing speed is slower, the temperature in the test tank is not good in uniform effect, and the test stage can be entered after a longer working time is needed, so that the test efficiency of the product is affected. Therefore, we propose a test device with adjustable high and low temperature.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a test device with adjustable high and low temperatures, which can effectively solve the problems in the background art after being improved.

The technical scheme of the utility model is as follows:

the utility model provides a high low temperature adjustable test device which characterized in that: the device comprises a device body, a first partition plate and a second partition plate are fixedly installed inside the device body respectively, a test groove is formed between the first partition plate and the second partition plate, a ventilating plate is fixedly installed on the left side face, the right side face and the rear side face inside the test groove respectively, a plurality of combinations are formed between the ventilating plate and the device body to form a gas circulation area, a plurality of equally-spaced ventilating holes are formed in the ventilating plate, a plurality of first ventilating pipes are formed in the two ends of the first partition plate and located between the ventilating plate and the device body respectively, a plurality of second ventilating pipes are formed in the two ends of the second partition plate and located between the ventilating plate and the device body respectively, a heating pipe is fixedly installed inside the device body and below the second partition plate respectively, a refrigerating unit and an evaporator are fixedly installed inside the device body, the refrigerating unit is connected with the evaporator through a pipeline, and an air extractor is fixedly installed on the side face of the device body, and an air extraction end of the air extractor is connected with the gas circulation area through the pipeline.

Further, a controller is fixedly arranged at the top of the side surface of the device body.

Further, the inside of device body just is located test groove department fixed mounting and has temperature sensor.

Further, the first electronic valves are fixedly arranged on the first ventilation pipes, and the first electronic valves are connected in series and then electrically connected with the controller.

Further, the second electronic valves are fixedly arranged on the second ventilation pipes, and the second electronic valves are connected in series and then electrically connected with the controller.

Further, the inner top of the device body is fixedly provided with a vent pipe, the bottom end of the vent pipe is communicated with the top of the test groove, and the top end of the vent pipe is communicated with the top surface of the device body.

Further, the heating pipe, the refrigerating unit, the evaporator and the air extractor are respectively and electrically connected with the controller.

Further, the front end face of the device body is hinged with a door leaf at the test groove through a hinge.

The beneficial effects of the utility model are as follows:

(1) According to the utility model, the ventilation plate, the ventilation pipe and the air extractor are arranged, so that the heating gas or the refrigerating gas can be effectively extracted and then subjected to high-temperature test or low-temperature test, the process does not consume more time to influence the test efficiency, the cold and heat consumption process is not needed, the refrigerating energy consumption is not increased, and the production cost is further reduced;

(2) According to the utility model, the ventilation plate and the plurality of equidistant ventilation holes are arranged, so that the heated gas or the refrigerating gas can flow in a plurality of directions in the gas circulation area, and the gas can uniformly enter the test groove, thereby greatly improving the temperature uniformity effect in the test groove and accelerating the test efficiency of the product.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a front view of the present utility model.

In the figure, 1, a device body; 2. a first separator; 3. a second separator; 4. a test tank; 5. a ventilation plate; 6. a gas flow region; 7. a vent hole; 8. a first ventilation tube; 9. a second ventilation tube; 10. heating pipes; 11. a refrigerating unit; 12. an evaporator; 13. an air extractor; 14. a controller; 15. a temperature sensor; 16. a vent pipe; 17. a door leaf.

Detailed Description

The following is a further description of embodiments of the utility model, taken in conjunction with the accompanying drawings:

as shown in fig. 1-2, a test device with adjustable high and low temperature comprises a device body 1, a first partition plate 2 and a second partition plate 3 are fixedly installed in the device body 1, a test groove 4 is formed between the first partition plate 2 and the second partition plate 3, a ventilating plate 5 is fixedly installed on the left side surface, the right side surface and the rear side surface of the inside of the test groove 4, a gas circulation area 6 is formed between the ventilating plate 5 and the bracket body 1 by a plurality of combinations, a plurality of equidistant vent holes 7 are formed in the ventilating plate 5, a plurality of first ventilating pipes 8 are arranged between the ventilating plate 5 and the device body 1 at two ends of the first partition plate 2, a plurality of second ventilating pipes 9 are arranged between the ventilating plate 5 and the device body 1 at two ends of the second partition plate 3, a heating pipe 10 is fixedly installed in the device body 1 and above the first partition plate 2, a unit 11 and an evaporator 12 are fixedly installed below the second partition plate 3 respectively, and the unit 11 and the evaporator unit 12 are connected with the air extractor 13 through the air extractor unit 1 at two ends of the second partition plate 3, and the air extractor 13 is fixedly connected with the air extractor 13 through the air extractor unit.

The top of the device body 1 with a side surface is fixedly provided with a controller 14.

The temperature sensor 15 is fixedly arranged in the device body 1 and positioned at the test groove 4. It will be appreciated that the temperature sensor 15 is primarily used to detect the temperature inside the test cell 4 and then to transmit a detection information signal to the controller 14.

The first ventilation pipes 8 are fixedly provided with first electronic valves, and the first electronic valves are connected in series and then electrically connected with the controller 14. The purpose of this design is: the controller 14 can simultaneously open or simultaneously close a plurality of first electronic valves, so that the subsequent gases with different temperatures can effectively circulate.

The second ventilation pipes 9 are fixedly provided with second electronic valves, and the second electronic valves are connected in series and then electrically connected with the controller 14. The purpose of this design is: the controller 14 can simultaneously open or simultaneously close a plurality of second electronic valves, so that the subsequent gases with different temperatures can effectively circulate.

The device is characterized in that a vent pipe 16 is fixedly arranged at the inner top of the device body 1, the bottom end of the vent pipe 16 is communicated with the top of the test groove 4, and the top end of the vent pipe 16 is communicated with the top surface of the device body 1. It can be understood that the ventilation pipe 16 is arranged, so that the air inside and outside the test tank 4 can circulate, the air extractor 13 can not influence the pressure inside the test tank 4 in the air extraction process, and the safety is ensured; in addition, although the gas inside and outside the vent pipe 16 can flow, the flow rate of the gas is small in a normal condition (in a stationary state), and the test temperature inside the test cell 4 is not affected.

The heating pipe 10, the refrigerating unit 11, the evaporator 12 and the air extractor 13 are respectively and electrically connected with the controller 14. The controller 14 can control the start and stop of all the electrical components, so that the temperature inside the test tank 4 can be effectively regulated.

The front end face of the device body 1 is hinged with a door leaf 17 at the test groove 4 through a hinge. Through being equipped with door leaf 17, when opening, can place the product inside test tank 4, after closing, can form sealing state to test tank 4, the product test of being convenient for.

The working principle of the utility model is as follows: during operation, the heating pipe 10 is started (the first electronic valve is opened, the second electronic valve is closed), heated gas continuously enters the gas circulation area 6 through the first ventilation pipe 8, then enters the test tank 4 through the densely distributed ventilation holes 7, and a plurality of equidistant ventilation holes 7 are formed in the ventilation plates 5, so that the heated gas uniformly enters the test tank 4, at the moment, a high-temperature test is performed, if the temperature is suddenly changed into a low-temperature test, the air extractor 13 can be started, the heated gas is extracted through the gas circulation area 6 and the densely distributed ventilation holes 7, the temperature in the test tank 4 is extremely reduced, then the refrigerating unit 11 and the evaporator 12 are started (the first electronic valve is closed, the second electronic valve is opened), the refrigerating gas continuously enters the gas circulation area 6 through the second ventilation pipes 9, and then enters the test tank 4 through the densely distributed ventilation holes 7, so that a rapid low-temperature test is formed.

In addition, during refrigeration, the refrigerating unit 11 works to cool the refrigerant, and then the refrigerant is conveyed to the evaporator 12 through the pipeline to cool the evaporator 12, so that the inside of the device body 1 is cooled, and the generated refrigeration gas enters the inside of the test tank 4 through the second ventilation pipe 9, the gas circulation area 6 and the ventilation hole 7 and is rapidly diffused.

In addition, the temperature sensor 15 can effectively detect the temperature inside the test tank 4, and then transmits an information signal to the controller 14, and the controller 14 starts or stops the heating pipe 10, the refrigerating unit 11 or the evaporator 12 to effectively regulate the temperature inside the test tank 4.

It should be noted that the temperature sensor 15, the heating pipe 10, the refrigerating unit 11, the evaporator 12, the air extractor 13, the first electronic valve and the second electronic valve are all in the prior art, and the signal connection and the electrical connection between the components and the controller 14 are all in the prior art, so it should be clearly understood by those skilled in the art that the present utility model is not described in detail herein.

The foregoing embodiments and description have been provided merely to illustrate the principles and best modes of carrying out the utility model, and various changes and modifications can be made therein without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims (8)

1. The utility model provides a high low temperature adjustable test device which characterized in that: the device comprises a device body (1), a first partition plate (2) and a second partition plate (3) are respectively and fixedly arranged in the device body (1), a test groove (4) is formed between the first partition plate (2) and the second partition plate (3), a ventilation plate (5) is fixedly arranged on the left side surface, the right side surface and the rear side surface of the inside of the test groove (4), a plurality of ventilation plates (5) are combined, a gas circulation area (6) is formed between the ventilation plate (5) and the device body (1), a plurality of equidistant ventilation holes (7) are respectively arranged on the ventilation plate (5), a plurality of first ventilation pipes (8) are respectively arranged at two ends of the first partition plate (2) and between the ventilation plate (5) and the device body (1), a plurality of second ventilation pipes (9) are respectively arranged at two ends of the second partition plate (3) and between the ventilation plate (5) and the device body (1), a body (10) is fixedly arranged above the ventilation plate (5) and the first partition plate (1), a plurality of ventilation pipes (1) are fixedly arranged in the inside and above the first partition plate (1), a refrigerating unit (12) is fixedly arranged on the inside the device (1) and is connected with the refrigerating unit (11) through the second partition plate (1), an air extractor (13) is fixedly arranged on the side surface of the device body (1), and the air extraction end of the air extractor (13) is connected with the gas circulation area (6) through a pipeline.

2. The adjustable high and low temperature test apparatus of claim 1, wherein: the top of the device body (1) with a side surface is fixedly provided with a controller (14).

3. The adjustable high and low temperature test apparatus of claim 2, wherein: the temperature sensor (15) is fixedly arranged in the device body (1) and positioned at the test groove (4).

4. A test device with adjustable high and low temperature according to claim 3, wherein: the first electronic valves are fixedly arranged on the first ventilation pipes (8) and are electrically connected with the controller (14) through serial connection.

5. The adjustable high and low temperature test apparatus of claim 4, wherein: the second electronic valves are fixedly arranged on the second ventilation pipes (9) and are electrically connected with the controller (14) through serial connection.

6. The adjustable high and low temperature test apparatus of claim 5, wherein: the device is characterized in that a vent pipe (16) is fixedly arranged at the inner top of the device body (1), the bottom end of the vent pipe (16) is communicated with the top of the test groove (4), and the top end of the vent pipe (16) is communicated with the top surface of the device body (1).

7. The adjustable high and low temperature test apparatus of claim 6, wherein: the heating pipe (10), the refrigerating unit (11), the evaporator (12) and the air extractor (13) are respectively and electrically connected with the controller (14).

8. The adjustable high and low temperature test apparatus of claim 7, wherein: the front end face of the device body (1) is hinged with a door leaf (17) at the position of the test groove (4) through a hinge.