CN211886878U - High-low temperature test box - Google Patents

Abstract

The utility model provides a high-low temperature test box, including the outer container body, one side of outer container body is equipped with the control panel who is connected with the power, the last printer device that has of control panel, control panel one side is equipped with the control box, be equipped with the chamber door on the control box, the inside first cavity and the second cavity of being equipped with of control box, be equipped with the baffle in the middle of first cavity and the second cavity, first cavity back is equipped with the wind wheel, second cavity back is equipped with heater and evaporimeter, be provided with temperature sensor inside first cavity and the second cavity, temperature sensor links to each other with control panel, the heater is connected with above-mentioned power; the refrigerator is characterized in that a refrigeration box body is arranged below the refrigerator door, a motor, a compressor and a condenser are arranged in the refrigeration box body, the motor is connected with the wind wheel, and the compressor and the condenser are communicated with the evaporator. The utility model relates to a simply, structural configuration is reasonable, can realize high low temperature test fast, has the printer device moreover, can print out the inside operational environment of box, has the practicality.

Description

High-low temperature test box

Technical Field

The utility model relates to an inspection detects technical field, particularly, relates to a high low temperature test box.

Background

The high-low temperature test chamber is used for high-temperature and low-temperature reliability tests of industrial products. The performance indexes of parts and materials of related products such as electronics, electricians, automobiles, motorcycles, aerospace, ships, weapons, colleges, scientific research units and the like are tested in high-temperature and low-temperature environments. The existing high-low temperature test box is complicated and unreasonable in structural design, long in temperature rise/reduction process, independent in work, and incapable of being directly printed out as a record for reference and selection by people, and test data and the like need to be recorded or read manually.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high low temperature test box to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-low temperature test box comprises an outer box body, wherein a control panel connected with a power supply is arranged on one side of the outer box body, and a touch screen, an overtemperature protection controller, an accumulation timer, an operation switch, a fault indicator lamp, a refrigerator switch, a printer device and a switchboard switch are arranged on the control panel;

an operation box is arranged on one side of the control panel, a box door is arranged on the operation box, a first cavity and a second cavity are arranged in the operation box, a partition plate is arranged between the first cavity and the second cavity, a wind wheel is arranged on the back of the first cavity, a heating wire and an evaporator are arranged on the back of the second cavity, temperature sensors are arranged in the first cavity and the second cavity, the temperature sensors are connected with the control panel, and the heating wire is connected with the power supply;

the refrigerator is characterized in that a refrigeration box body is arranged below the refrigerator door, a motor, a compressor and a condenser are arranged inside the refrigeration box body, the motor is connected with the wind wheel, and the compressor and the condenser are communicated with the evaporator.

Further, the door is made of transparent glass.

Furthermore, the refrigeration box body is provided with a first heat dissipation window.

Further, a viewing port is arranged on the side surface of the first box body.

Further, a second heat dissipation window and a third heat dissipation window are arranged on the side face of the second box body.

Furthermore, a locking handle is arranged on the box door.

The utility model discloses a theory of operation: this proof box is at the during operation, by totaling the power of switch control whole equipment, and the touch screen can input and show relevant test parameter, presses the operation switch, then presses the refrigerator switch, because inside motor, compressor and the condenser of setting up of refrigeration box, the motor links to each other with the wind wheel, and compressor and condenser pass through pipeline and choke valve and evaporimeter intercommunication, constitute refrigerating unit like this jointly, provide the cold source for whole equipment. When a high-temperature test is needed, a temperature value is input on the touch screen, the heating wire starts to work and generate heat, the wind wheel runs under the driving of the motor, airflow is heated by the heating wire and circulates in the operation box, so that the temperature of the operation box is rapidly increased, and the heating or heat preservation is stopped after the temperature of the operation box reaches a set temperature; when needs low temperature test, input temperature value on the touch screen, above-mentioned refrigerating unit begins work, and the wind wheel moves under the drive of motor simultaneously, and air and evaporimeter heat exchange cooling form mobile inner loop in the control box, and quick refrigeration provides the low temperature environment.

Compared with the prior art, the utility model discloses following beneficial effect has: 1. the high-low temperature test box can realize high-low temperature test of a test piece by utilizing the high-low temperature test box, has important significance for improving the reliability of a workpiece, and has simple structure and high practicability; 2. the utility model has the printer device, can print the operation environment and the process, is simple and convenient, and is very practical; 3. the utility model discloses have overtemperature prote controller, when experimental temperature was too high, can the auto-power-off to the protection test piece does not receive the harm.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic front structural view of a high-low temperature test chamber according to the present invention;

FIG. 2 is a schematic structural diagram of an operation box of a high-low temperature test box according to the present invention;

fig. 3 is a schematic side view of a first box body of a high-low temperature test box according to the present invention;

fig. 4 is a schematic side view of a second box of the high-low temperature test chamber according to the present invention.

Reference numerals:

1. an outer case body; 2. a touch screen; 3. an overtemperature protection controller; 4. an accumulation timer; 5. an operation switch; 6. a fault indicator light; 7. a freezer switch; 8. a printer device; 9. a switchboard switch; 10. locking the handle; 11. the refrigerator comprises a first heat dissipation window, 12 parts of a first box body side face, 13 parts of a viewing port, 14 parts of a box door, 15 parts of a second heat dissipation window, 16 parts of a second box body side face, 17 parts of a third heat dissipation window, 18 parts of a first cavity, 19 parts of a partition board, 20 parts of a second cavity, 21 parts of a control panel, 22 parts of a refrigeration box body and 23 parts of an operation box.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

referring to fig. 1 to 4, the high and low temperature test chamber according to the present invention includes an outer case body 1, a control panel 21 connected to a power supply is disposed on one side of the outer case body 1, and a touch screen 2, an over-temperature protection controller 3, an accumulation timer 4, an operation switch 5, a fault indicator 6, a refrigerator switch 7, a printer device 8, and a switchboard switch 9 are disposed on the control panel 21;

an operation box 23 is arranged on one side of the control panel 21, a box door 14 is arranged on the operation box 23, a first cavity 18 and a second cavity 20 are arranged in the operation box 23, a partition plate 19 is arranged between the first cavity 18 and the second cavity 20, a wind wheel is arranged on the back of the first cavity 18, a heating wire and an evaporator are arranged on the back of the second cavity 20, temperature sensors are arranged in the first cavity 18 and the second cavity 20, the temperature sensors are connected with the control panel 21, and the heating wire is connected with the power supply;

a refrigeration box body 22 is arranged below the box door 14, a motor, a compressor and a condenser are arranged in the refrigeration box body 22, the motor is connected with the wind wheel, and the compressor and the condenser are communicated with the evaporator.

The door 14 is transparent glass. In order to facilitate the observation of the condition of the testing machine, transparent glass is arranged.

The first casing side 12 is provided with a viewing port 13. The first housing side 12 is provided with a viewing port to allow a user to view the test machine from the side.

The refrigeration case 22 is opened with a first heat radiation window 11. The second case side 16 is provided with a second heat radiation window 15 and a third heat radiation window 17. The first heat dissipation window 11, the second heat dissipation window 15, and the third heat dissipation window 17 protect the test device and the test piece for better heat dissipation.

The door is provided with a locking handle 10.

This proof box is at the during operation, by totaling the power of switch 9 control whole equipment, and touch screen 2 can input and show relevant test parameter, presses operation switch 5, then presses refrigerator switch 7, because inside motor, compressor and the condenser of setting up of refrigeration box 22, the motor links to each other with the wind wheel, and compressor and condenser pass through pipeline and choke valve and evaporimeter intercommunication, constitute refrigerating unit like this jointly, provide the cold source for whole equipment. Placing a test product in an operation box 23, inputting a temperature value on the touch screen 2 when a high-temperature test is needed, starting the heating wire to work and generate heat, simultaneously operating the wind wheel under the driving of the motor, heating the air flow by the heating wire and circulating in the operation box 23 to quickly raise the temperature of the operation box 23, and stopping heating or preserving heat after the set temperature is reached; when needs low temperature test, input temperature value on touch screen 2, above-mentioned refrigerating unit begins work, and the wind wheel moves under the drive of motor simultaneously, and air and evaporimeter heat exchange cooling form mobile inner loop in operation box 23, and quick refrigeration provides the low temperature environment.

Because the test box is provided with the overtemperature protection controller 3, when the temperature exceeds a limit value, the power can be automatically cut off, and a unit and a test piece are protected from being damaged; the accumulation timer 4 can accumulate the heating or cooling time, so that the heating or cooling time is convenient and quick; the fault indicator lamp 6 can remind people to observe the condition of the unit, and immediately give an alarm when a fault occurs; because the unit still has printer device 8, can print out the change parameter of unit at the working process test piece, can help people to know the change condition of test piece in each temperature value.

The test box comprises the following working operation steps:

1. the sample and the device to be made are placed in a high-low temperature box (low-temperature stretching and low-temperature testing device);

2. the main power supply of the air switch ON the wall is closed first, and then the equipment switchboard switch 9 is turned to 'ON'.

3. When the temperature required to be heated is the same as the set temperature, the temperature required by the test can be set by directly connecting the upper key and the lower key by adjusting the numerical value of the display on the touch screen 2 without resetting. The test chamber is operated by pressing the run switch 5 and then the freezer switch 7.

4. After the test is finished, the freezer switch 7 is pressed, then the running switch 5 is pressed, and then the switchboard switch 9 is turned to OFF, and the air switch on the wall is closed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A high and low temperature test box is characterized by comprising an outer box body (1), wherein one side of the outer box body (1) is provided with a control panel (21) connected with a power supply, and the control panel (21) is provided with a touch screen (2), an overtemperature protection controller (3), an accumulation timer (4), an operation switch (5), a fault indicator lamp (6), a refrigerator switch (7), a printer device (8) and a switchboard switch (9);

an operation box (23) is arranged on one side of the control panel (21), a box door (14) is arranged on the operation box (23), a first cavity (18) and a second cavity (20) are arranged in the operation box (23), a partition plate (19) is arranged between the first cavity (18) and the second cavity (20), a wind wheel is arranged on the back of the first cavity (18), a heating wire and an evaporator are arranged on the back of the second cavity (20), temperature sensors are arranged in the first cavity (18) and the second cavity (20), the temperature sensors are connected with the control panel (21), and the heating wire is connected with the power supply;

the refrigerator is characterized in that a refrigerating box body (22) is arranged below the refrigerator door (14), a motor, a compressor and a condenser are arranged inside the refrigerating box body (22), the motor is connected with the wind wheel, and the compressor and the condenser are communicated with the evaporator.

2. A high-low temperature test chamber as claimed in claim 1, wherein the chamber door (14) is transparent glass.

3. A high-low temperature test chamber as claimed in claim 1, wherein the refrigeration chamber body (22) is opened with a first heat radiation window (11).

4. A high-low temperature test chamber according to claim 1, wherein the first chamber side (12) of the outer chamber body (1) is provided with a viewing port (13).

5. A high-low temperature test chamber according to claim 1, wherein the second case side (16) of the outer case body (1) is provided with a second heat radiation window (15) and a third heat radiation window (17).

6. A high-low temperature test chamber as claimed in claim 1, wherein the chamber door is provided with a locking handle (10).

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