CN216260823U

CN216260823U - Constant temperature and humidity box

Info

Publication number: CN216260823U
Application number: CN202122583962.2U
Authority: CN
Inventors: 黄良如; 郭跃华
Original assignee: Sitoma Test Instrument Guangdong Co ltd
Current assignee: Sitoma Test Instrument Guangdong Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-04-12
Anticipated expiration: 2031-10-26

Abstract

The utility model discloses a constant temperature and humidity box which comprises a box body, wherein a test chamber is arranged on the front side of the box body, a box door is rotatably connected to one side of the test chamber, a water tank is arranged at the bottom end of the front side of the box body, liquid level sensors are respectively arranged at the top end and the bottom end of the inner side wall of the water tank, a first side door and a second side door are respectively and rotatably connected to two sides of the back side of the box body, and a back door is rotatably connected to one side, far away from the box body, of the second side door. According to the utility model, the box body, the control circuit module and the compressor are arranged, the first side door, the second side door and the back door are respectively and rotatably connected to two sides of the back surface of the box body, and the back door is rotatably connected with one side of the second side door, so that when equipment such as the control circuit module or the compressor of the constant temperature and humidity box needs to be maintained, the first side door, the second side door and the back surface can be completely unfolded, the operable space of the back surface of the box body is larger, and the maintenance is more convenient.

Description

Constant temperature and humidity box

Technical Field

The utility model relates to the technical field of test boxes, in particular to a constant temperature and humidity box.

Background

The constant temperature and humidity test box is also called a constant temperature and humidity tester, a constant temperature and humidity test box, a programmable humidity-heat alternating test box, a constant temperature machine or a constant temperature and humidity box, is used for detecting the performance of materials in various environments and testing the heat resistance, cold resistance, dry resistance and humidity resistance of various materials.

And current constant temperature and humidity case, back bottom is equipped with the space that is used for equipment such as installation circuit board module and compressor, but this space only is equipped with a little and opens the door, consequently when keeping in repair to equipment such as circuit board module and the compressor at the constant temperature and humidity case back, this space is too little, is not convenient for maintenance personal to install fast and dismantle spare part. In addition, in the working process of the existing constant temperature and humidity box, water needs to be added into the water tank manually and periodically so that the humidifier can humidify the inside of the test chamber, if the water in the water tank cannot be added in time after being used up, the test can be influenced, and an alarm can be given out, so that the utility model provides the constant temperature and humidity box.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a constant temperature and humidity box.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a constant temperature and humidity case, includes the box, the test chamber has openly been seted up to the box, and test chamber one side rotates and is connected with the chamber door, the water tank has been seted up to the openly bottom of box, and water tank inside wall top and bottom all are equipped with a level sensor, box back both sides are rotated respectively and are connected with first side door and second side door, one side that the box was kept away from to the second side door is rotated and is connected with the back of the body door, box back diapire upper surface is equipped with micro-pump, compressor and PLC controller, the box back is equipped with control circuit module, level sensor and PLC controller electric connection.

Furthermore, one side that the box surface is close to the chamber door is equipped with control panel, and control panel and compressor and the inside electric heating wire of box, humidifier electric connection, be convenient for through the work of the inside electric heating wire of control panel control compressor and box, humidifier, adjust the inside humiture of test chamber.

Furthermore, four universal wheels are arranged at the bottom end of the box body, so that the constant temperature and humidity box can be moved conveniently.

Further, the heat dissipation port has all been seted up to first side door and second side door bottom, and first side door and second side door bottom are close to heat dissipation port department and are equipped with two fans, are convenient for dispel the heat to the electrical equipment at the box back.

Further, miniature pump inlet end and outlet end are connected with oral siphon and outlet pipe respectively, the oral siphon passes the box lateral wall and extends to outside the box, and the oral siphon middle part is equipped with the solenoid valve, solenoid valve and PLC controller electric connection, the outlet pipe other end extends to inside the water tank, is convenient for add water for inside the water tank automatically through PLC controller control water pump.

Further, box back diapire upper surface both sides all are fixed with the limiting plate, and the limiting plate is iron material, first side door and second side door bottom are close to limiting plate department and all are equipped with magnet, and when first side door and second side door were closed, the limiting plate can carry on spacingly to the two to through magnet and limiting plate actuation, make first side door and second side door rigidity.

Furthermore, one side middle part that the box was kept away from to first side door is equipped with fixed the knot, back of the body door middle part is rotated and is connected with the connecting plate, and has seted up a word mouth in the middle part of the connecting plate, through a word mouth and fixed knot block on the connecting plate to lock is buckled in the hole at fixed knot middle part, just can be so that the back of the body door is closed the after-fixing.

The utility model has the beneficial effects that:

1. when the constant temperature and humidity box is used, the box body, the control circuit module and the compressor are arranged, the first side door, the second side door and the back door are respectively and rotatably connected to two sides of the back surface of the box body, and the back door is rotatably connected with one side of the second side door, so that when equipment such as the control circuit module or the compressor of the constant temperature and humidity box needs to be maintained, the first side door, the second side door and the back surface can be completely unfolded, the operable space on the back surface of the box body is larger, and the maintenance is more convenient.

2. When the micro water tank is used, the PLC controller, the water tank, the micro water pump, the water inlet pipe, the electromagnetic valve and the water outlet pipe are arranged, and the liquid level sensors are respectively arranged at the top end and the bottom end in the water tank, so that when the water level in the water tank is lower than that of the liquid level sensor at the bottom, the PLC controller can control the electromagnetic valve to be opened, the micro water pump can automatically supply water to the interior of the water tank, and the micro water pump can be prevented from alarming due to the fact that humidification operation cannot be performed after the water in the water tank is used up.

Drawings

FIG. 1 is a front perspective view of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is a rear perspective view of the present invention;

fig. 4 is a rear front view of the present invention.

Illustration of the drawings:

1. a box body; 101. a first side door; 1011. a fixing buckle; 102. a second side door; 103. a back door; 1031. a connecting plate; 2. a test chamber; 3. a box door; 4. a control panel; 5. a universal wheel; 6. a water tank; 61. a liquid level sensor; 7. a heat dissipation port; 8. a fan; 9. a micro water pump; 91. a water inlet pipe; 92. a water outlet pipe; 93. an electromagnetic valve; 10. a compressor; 11. a PLC controller; 12. a limiting plate; 13. a control circuit module; 14. and a magnet.

Detailed Description

As shown in fig. 1-4, relate to a constant temperature and humidity case, including box 1, test chamber 2 has openly been seted up to

box

1, and 2 one side rotations in test chamber are connected with chamber door 3, water tank 6 has been seted up to 1 positive bottom of box, and 6 inside wall tops of water tank and bottom all are equipped with a

level sensor

61, 1 back both sides of box rotate respectively and are connected with first side door 101 and second side door 102, one side that box 1 was kept away from to second side door 102 rotates and is connected with back of the

body door

103, 1 back diapire upper surface of box is equipped with micro-water pump 9, compressor 10 and

PLC controller

11, 1 back of box is equipped with control circuit module 13, level sensor 61 and PLC controller 11 electric connection.

As shown in fig. 1 and 2, a control panel 4 is disposed on a side of the surface of the box 1 close to the box door 3, and the control panel 4 is electrically connected to the compressor 10 and the electric heating wire and the humidifier inside the box 1. Four universal wheels 5 are arranged at the bottom end of the box body 1.

As shown in fig. 3 and 4, the bottom ends of the first side door 101 and the second side door 102 are both provided with a heat dissipation opening 7, and two fans 8 are arranged at the bottom ends of the first side door 101 and the second side door 102 near the heat dissipation opening 7. The 9 income water ends of micro-pump and play water end are connected with oral siphon 91 and outlet pipe 92 respectively, and oral siphon 91 passes 1 lateral wall of box and extends to outside the box 1, and oral siphon 91 middle part is equipped with solenoid valve 93,

solenoid valve

93 and 11 electric connection of PLC controller, and the outlet pipe 92 other end extends to inside the water tank 6. Limiting plates 12 are fixed on two sides of the upper surface of the bottom wall of the back of the box body 1, the limiting plates 12 are made of iron, and magnets 14 are arranged at the bottom ends of the first side door 101 and the second side door 102 and close to the limiting plates 12. First side door 101 is kept away from one side middle part of box 1 and is equipped with fixed knot 1011, and the back door 103 middle part is rotated and is connected with connecting plate 1031, and the word mouth has been seted up at connecting plate 1031 middle part.

When in use: the water source needs to be connected to oral siphon 91, if the inside water level of water tank 6 is less than the level sensor 61 of bottom when, PLC controller 11 can control solenoid valve 93 on the oral siphon 91 and open, miniature pump 9 will be through oral siphon 91 and outlet pipe 92 in with water pump oral siphon 6 after that, when the water level reaches the level sensor 61 on top, solenoid valve 93 closes, miniature pump 9 stops to add water, just so can guarantee this constant temperature and humidity case at the during operation, 6 inside water states that are in always of water tank, can not lead to the unable work of humidifier in the box 1 because of there being no water. When equipment such as the control circuit module 13 and the compressor 10 on the back of the box body 1 need to be overhauled, firstly, the lock on the fixing buckle 1011 is opened and taken off, then, the connecting plate 1031 is rotated to enable the lock to be separated from the fixing buckle 1011, then, the back door 103 can be rotated to be opened, finally, the first side door 101 and the second side door 102 are pulled, the bottom magnet 14 is enabled to be separated from the limiting plate 12, the first side door 101 and the second side door 102 can be rotated to be opened, therefore, the space on the back of the box body 1 is completely opened, and maintenance personnel can overhaul more conveniently.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a constant temperature and humidity case, includes box (1), its characterized in that: test chamber (2) have openly been seted up to box (1), and test chamber (2) one side is rotated and is connected with chamber door (3), water tank (6) have been seted up to box (1) positive bottom, and water tank (6) inside wall top and bottom all are equipped with one level sensor (61), box (1) back both sides are rotated respectively and are connected with first side door (101) and second side door (102), one side rotation that box (1) was kept away from in second side door (102) is connected with back of the body door (103), box (1) back diapire upper surface is equipped with miniature pump (9), compressor (10) and PLC controller (11), box (1) back is equipped with control circuit module (13), level sensor (61) and PLC controller (11) electric connection.

2. The constant temperature and humidity cabinet as claimed in claim 1, wherein: one side that the box (1) surface is close to chamber door (3) is equipped with control panel (4), and control panel (4) and compressor (10) and the inside electric heating wire of box (1), humidifier electric connection.

3. The constant temperature and humidity cabinet as claimed in claim 1, wherein: four universal wheels (5) are arranged at the bottom end of the box body (1).

4. The constant temperature and humidity cabinet as claimed in claim 1, wherein: the heat dissipation opening (7) has all been seted up to first side door (101) and second side door (102) bottom, and first side door (101) and second side door (102) bottom are close to heat dissipation opening (7) department and are equipped with two fans (8).

5. The constant temperature and humidity cabinet as claimed in claim 1, wherein: miniature pump (9) income water end and play water end are connected with oral siphon (91) and outlet pipe (92) respectively, oral siphon (91) pass outside box (1) lateral wall extends to box (1), and oral siphon (91) middle part is equipped with solenoid valve (93), solenoid valve (93) and PLC controller (11) electric connection, outlet pipe (92) other end extends to inside water tank (6).

6. The constant temperature and humidity cabinet as claimed in claim 1, wherein: box (1) back diapire upper surface both sides all are fixed with limiting plate (12), and limiting plate (12) are iron material, first side door (101) and second side door (102) bottom are close to limiting plate (12) and locate all to be equipped with magnet (14).

7. The constant temperature and humidity cabinet as claimed in claim 1, wherein: one side middle part that box (1) was kept away from in first side door (101) is equipped with fixed knot (1011), back door (103) middle part is rotated and is connected with connecting plate (1031), and a word mouth has been seted up at connecting plate (1031) middle part.