CN212975163U

CN212975163U - Low-temperature test box

Info

Publication number: CN212975163U
Application number: CN202021529655.5U
Authority: CN
Inventors: 万先锋; 胡兰; 蔡文城
Original assignee: Guangzhou Climate Equipment Co ltd
Current assignee: Guangzhou Climate Equipment Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-04-16
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses a low temperature test box, the power distribution box comprises a box body, be provided with experimental inner box in the box, machinery room and refrigeration room, machinery room sets up the rear at experimental inner box, the refrigeration room sets up the below at experimental inner box, the front of experimental inner box articulates there is the chamber door, be provided with sample frame and circulation wind channel in the experimental inner box, the setting of circulation wind channel is at the rear of sample frame, be provided with circulating fan in the circulation wind channel, heating pipe and evaporimeter, be provided with refrigerating unit in the refrigeration room, refrigerating unit passes through the pipe intercommunication with the evaporimeter, circulating fan, heating pipe and evaporimeter and refrigerating unit respectively with the indoor main control board electric connection of machinery. The utility model discloses simple structure, satisfying under the proof box performance, can reduce proof box overall dimension, improve proof box structural utilization, satisfy customer proof box compact structure's demand.

Description

Low-temperature test box

Technical Field

The utility model relates to a proof box technical field, specific theory relates to a low temperature test box.

Background

The test box is a general term of products in the environmental test industry, and is used for simulating a natural climate environment in an effective space range, and the test types are as follows: the high-temperature test box, the bottom temperature test box, the high-low temperature wet-heat test box, the rapid temperature change box, the aging test box, the rain box, the low-pressure test box, the non-standard product and the like, and the low-temperature test box is taken as one type of the test box, has been widely used in the current society, plays an important role simultaneously, and brings obvious help to the production and life of people. The cold box can be used to test food, biological samples, vaccines, etc. at a lower temperature than conventional high and cold boxes.

However, the existing low-temperature test box has the disadvantages of complex structure, large volume, low structural utilization rate and large occupied space.

The above disadvantages need to be improved.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a low-temperature test box.

The utility model discloses technical scheme as follows:

the utility model provides a low temperature test box, its characterized in that, includes the box, be provided with experimental inner box, machine room and refrigeration room in the box, the machine room sets up the rear of experimental inner box, the refrigeration room sets up the below of experimental inner box, the front of experimental inner box articulates there is the chamber door, be provided with sample frame and circulation wind channel in the experimental inner box, the circulation wind channel sets up the rear of sample frame, be provided with circulating fan, heating pipe and evaporimeter in the circulation wind channel, be provided with refrigerating unit in the refrigeration room, refrigerating unit with the evaporimeter passes through the pipe intercommunication, circulating fan, the heating pipe, evaporimeter and refrigerating unit respectively with main control board electric connection in the machine room. The utility model discloses simple structure, satisfying under the proof box performance, can reduce proof box overall dimension

According to above scheme the utility model discloses, a serial communication port, the positive upper end in circulation wind channel is provided with the air intake, the positive lower extreme in circulation wind channel is provided with the air outlet.

Further, its characterized in that, circulating fan includes motor and flabellum, the motor sets up in the mechanical chamber, the flabellum sets up on the air intake.

Furthermore, the heating pipe is arranged behind the fan blades, and the evaporator is arranged between the heating pipe and the air outlet.

According to the above scheme the utility model discloses, its characterized in that, the bottom in circulation wind channel sets up the outlet.

According to the above scheme the utility model discloses, a serial communication port, the left side of chamber door is provided with control panel, control panel with main control board electric connection.

Further, the control panel is provided with a display, an overtemperature protector, an accumulator and an emergency stop button.

Further, the box door is characterized in that an observation window is arranged on the right side of the box door.

Furthermore, sliding structures are arranged on two sides of the sample frame, and the sample frame is connected with the inner wall of the test inner box in a sliding mode through the sliding structures.

Furthermore, the front surface of the sample rack is hinged with a baffle which is made of transparent materials.

According to the above scheme the utility model discloses, a serial communication port, experimental inner box with be provided with the heat insulating board between the box.

Further, the heat insulation plate is a polyurethane foam plate.

According to above-mentioned scheme the utility model discloses, be provided with the distribution panel in the machine room, the distribution panel with main control board electric connection.

According to the above scheme the utility model discloses, the beneficial effects of the utility model reside in that:

the utility model has simple structure, can reduce the overall dimension of the test box and improve the structural utilization rate of the test box under the condition of meeting the performance of the test box, and meets the requirement of compact structure of a customer test box; the fan blades of the circulating fan are arranged in the circulating air duct, the motor is arranged in the mechanical chamber and does not protrude out of the box, and the total size of the box body can be saved; the two sides of the sample rack are provided with sliding structures, so that a tester can conveniently take and place samples on the sample rack; a heat insulation plate is arranged between the test inner box and the box body, and the heat insulation plate is a polyurethane foam plate and has good heat insulation performance.

Drawings

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

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

FIG. 3 is a cross-sectional view of the test inner box of the present invention;

fig. 4 is an open state diagram of the baffle in the test inner box of the utility model;

in the figures, the reference numerals are as follows:

1. a box body;

11. testing the inner box; 111. a sample holder; 112. a circulating air duct; 113. a circulating fan; 114. heating a tube; 115. an evaporator; 116. a conduit; 117. a sliding structure; 118. a baffle plate; 1121. an air inlet; 1122. an air outlet; 1123. a water outlet; 1131. a motor; 1132. a fan blade;

12. a machine room; 121. a distribution board;

13. a refrigeration compartment; 131. a refrigeration unit;

14. a box door; 141. a control panel; 142. and (4) an observation window.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "inner", and the like indicate orientations or positions based on the positions shown in the drawings, and are only for convenience of description and should not be construed as limiting the technical solution.

As shown in fig. 1 to 3, the low-temperature test chamber includes a chamber body 1, a test inner chamber 11, a machine chamber 12 and a refrigeration chamber 13 are arranged in the chamber body 1, the machine chamber 12 is arranged behind the test inner chamber 11, and the refrigeration chamber 13 is arranged below the test inner chamber 11. The outer shell of the box body 1 is made of steel plate surface by plastic spraying. The test inner box 11 is made of stainless steel, has a stable structure and is easy to clean. The front of the test inner box 11 is hinged with a box door 14, a sample rack 111 and a circulating air duct 112 are arranged in the test inner box 11, the circulating air duct 112 is arranged behind the sample rack 111, a circulating fan 113, a heating pipe 114 and an evaporator 115 are arranged in the circulating air duct 112, a refrigerating unit 131 is arranged in the refrigerating chamber 13, the refrigerating unit 131 is communicated with the evaporator 115 through a guide pipe 116, and the circulating fan 113, the heating pipe 114, the evaporator 115 and the refrigerating unit 131 are respectively and electrically connected with a main control board (not shown in the figure, the same below) in the machine room 12.

In the present embodiment, an air inlet 1121 is disposed at the upper front end of the circulating air duct 112, and an air outlet 1122 is disposed at the lower front end of the circulating air duct 112. Circulating fan 113 includes motor 1131 and flabellum 1132, and motor 1131 sets up in mechanical chamber 12, and flabellum 1132 sets up on air intake 1121, because of motor 1131 sets up in mechanical chamber 12 not have the protruding case outside, can practice thrift box 1 overall dimension. The heating duct 114 is disposed behind the fan 1132, and the evaporator 115 is disposed between the heating duct 114 and the air outlet 1122. During operation, the motor 1131 drives the fan blades 1132 to rotate, and the air flows out from the air outlet 1122 of the circulating air duct 112, passes through the working area of the test box, enters the circulating air duct 112 from the air inlet 1121 of the circulating air duct 112, passes through the evaporator 115 and the heating pipe 114, and then flows from the air outlet 1122 to the working area of the test box, so as to ensure the wind direction circulation of the test inner box 11.

In this embodiment, a drain port 1123 is provided at the bottom of the circulation duct 112, and the condensed water is drained through the drain port 1123.

In this embodiment, a control panel 141 is disposed on the left side of the box door 14, the control panel 141 is electrically connected to the main control panel, and the corresponding operation can be performed on the low temperature test box through the control panel 141.

Preferably, the control panel 141 is provided with a display (not shown), an over-temperature protector (not shown), an accumulator (not shown) and an emergency stop button (not shown).

Preferably, the right side of the door 14 is provided with an observation window 142, the observation window 142 is made of transparent glass, and the test condition of the test inner box 11 is checked through the observation window 142.

Preferably, the two sides of the sample holder 111 are provided with sliding structures 117, and the sample holder 111 is connected with the inner wall of the inner testing box 11 in a sliding manner through the sliding structures 117, so that a tester can conveniently take and place samples on the sample holder 111.

As shown in fig. 4, the front surface of the sample holder 111 is preferably hinged with a baffle 118, and the baffle 118 can prevent the sample holder 111 from sliding. Meanwhile, the baffle 118 is made of transparent material, so that the test condition that the tester checks the test inner box 11 through the observation port is avoided.

In this embodiment, a heat insulation board (not shown, the same applies below) is disposed between the test inner box 11 and the box body 1, and the heat insulation board is a polyurethane foam board, so that the heat insulation performance is good.

In the present embodiment, a power board 121 is provided in the machine room 12, and the power board 121 is electrically connected to the main control board.

The working principle is as follows:

before the test, a sample needing low-temperature test is placed on the sample frame 111, and after the temperature and the test time of the test box are set on the control panel 141, the test is started; during the test, motor 1131 drives fan blades 1132 to rotate, and the air flows out from air outlet 1122 of circulation air duct 112, passes through the working area of the test box, enters circulation air duct 112 from air inlet 1121 of circulation air duct 112, passes through evaporator 115 and heating pipe 114, and then passes through air outlet 1122 to the working area of the test box, so that the wind direction circulation of test inner box 11 is realized, and the low temperature test of the sample in the test box is ensured.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

The above exemplary description of the present invention is made in conjunction with the accompanying drawings, and it is obvious that the present invention is not limited by the above manner, and various improvements made by the method concept and technical solution of the present invention or by directly applying the concept and technical solution of the present invention to other occasions without improvement are all within the protection scope of the present invention.

Claims

1. The utility model provides a low temperature test box, its characterized in that, includes the box, be provided with experimental inner box, machine room and refrigeration room in the box, the machine room sets up the rear of experimental inner box, the refrigeration room sets up the below of experimental inner box, the front of experimental inner box articulates there is the chamber door, be provided with sample frame and circulation wind channel in the experimental inner box, the circulation wind channel sets up the rear of sample frame, be provided with circulating fan, heating pipe and evaporimeter in the circulation wind channel, be provided with refrigerating unit in the refrigeration room, refrigerating unit with the evaporimeter passes through the pipe intercommunication, circulating fan, the heating pipe, evaporimeter and refrigerating unit respectively with main control board electric connection in the machine room.

2. The cold box of claim 1, wherein an air inlet is formed at an upper end of the front surface of the circulating air duct, and an air outlet is formed at a lower end of the front surface of the circulating air duct.

3. The cold box of claim 2, wherein the circulating fan comprises a motor and fan blades, the motor is disposed in the mechanical chamber, and the fan blades are disposed on the air inlet.

4. The cold box of claim 3, wherein the heating tube is disposed behind the fan blades, and the evaporator is disposed between the heating tube and the air outlet.

5. The cold box of claim 1, wherein a drain is provided at the bottom of the circulating air duct.

6. The cold box according to claim 1, wherein a control panel is disposed on a left side of the box door, and the control panel is electrically connected to the main control panel.

7. The cold box of claim 6, wherein the control panel is provided with a display, an overtemperature protector, an accumulator and an emergency stop button.

8. The cold box according to claim 6, wherein a viewing window is provided on the right side of the box door.

9. The cold box according to claim 1, wherein a heat insulation plate is arranged between the test inner box and the box body.

10. The cold box of claim 9, wherein the heat insulation board is a polyurethane foam board.