CN215743498U

CN215743498U - Precision type constant temperature and humidity box

Info

Publication number: CN215743498U
Application number: CN202121293868.7U
Authority: CN
Inventors: 伍晋平; 成石良
Original assignee: Guangdong Thaihung Scientific Instruments Co ltd
Current assignee: Guangdong Thaihung Scientific Instruments Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2022-02-08
Anticipated expiration: 2031-06-09

Abstract

The utility model discloses a precise constant temperature and humidity box, which comprises a box body, a partition plate, two temperature and humidity sensors, two heaters, a humidifying mechanism and a ventilation mechanism, wherein the partition plate divides the interior of the box body into a first experimental cavity and a second experimental cavity; the humiture of first experiment chamber and second experiment chamber can be detected through two humidoments, the humiture of first experiment chamber and second experiment chamber can be improved to rethread heater and humidification mechanism, the humiture of first experiment chamber or first experiment chamber can be reduced fast to rethread mechanism of taking a breath, consequently, this precision type constant temperature and humidity case passes through temperature and humidity sensor, heater, humidification mechanism and the mechanism of taking a breath, can the humiture in quick detection and regulation first experiment chamber or second experiment chamber, is favorable to improving experimental efficiency.

Description

Precision type constant temperature and humidity box

Technical Field

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

Background

The constant temperature and humidity box is also called a constant temperature and humidity machine, a constant temperature and humidity experiment box, a programmable humid heat alternating experiment box, a constant temperature machine or a constant temperature and humidity box, is used for detecting the performance of the material in various environments and testing the heat resistance, cold resistance, dry resistance and humidity resistance of various materials. The device is suitable for detecting the quality of products such as electronics, electrical appliances, mobile phones, communication, instruments, vehicles, plastic products, metal, food, chemistry, building materials, medical treatment, aerospace and the like; current constant temperature and humidity case need adjust inside humidity after carrying out the experiment of a big humidity, closes humidification device generally, lets its humidity reduce naturally, and this often will consume for a long time, is unfavorable for improving experimental efficiency.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a precise constant temperature and humidity chamber capable of rapidly adjusting the internal temperature and humidity of the chamber body and facilitating the improvement of the experimental efficiency.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides an accurate type constant temperature and humidity case, includes the box, sets up the inside of box and handle the internal partitioning of box is the division board in first experiment chamber and second experiment chamber, and fixed mounting is respectively two temperature and humidity sensors on the inner wall in first experiment chamber and second experiment chamber, respectively fixed mounting be in two heaters on the inner wall in first experiment chamber and second experiment chamber still are in including setting up the top of box and extend to the humidification mechanism in first experiment chamber and second experiment chamber sets up the top of box and extend to the mechanism of taking a breath in first experiment chamber and second experiment chamber.

Preferably, the humidifying mechanism comprises a water tank arranged at the top of the box body, a water pump arranged at the top of the box body and communicated with the water tank, a main water supply pipe communicated and fixed with the water pump, a first branch water supply pipe communicated and fixed with the main water supply pipe and extending to the first experimental cavity, a first water supply valve fixedly arranged in the first branch water supply pipe, a plurality of first atomizing and humidifying heads which are communicated and fixed with the first water supply branch pipe and are positioned in the first experiment cavity, a second water supply branch pipe which is communicated and fixed with the water supply main pipe and extends to the second experiment cavity, a second water supply valve which is fixedly arranged inside the second water supply branch pipe, and the second atomization humidification heads are communicated and fixed with the first water supply branch pipe and are positioned in the second experiment cavity.

Further, the water tank is provided with the observation window that is convenient for the staff to look over the water level of water tank.

Preferably, the ventilation mechanism includes a ventilation fan disposed on a top of the box body, a main ventilation pipe communicated and fixed with the ventilation fan, a first branch ventilation pipe communicated and fixed with the ventilation fan and extending to the first experimental chamber, a first ventilation valve fixedly installed inside the first branch ventilation pipe, a first ventilation hood communicated and fixed with the first branch ventilation pipe and located in the first experimental chamber, a second branch ventilation pipe communicated and fixed with the ventilation fan and extending to the second experimental chamber, a second ventilation valve fixedly installed inside the second branch ventilation pipe, and a second ventilation hood communicated and fixed with the first branch ventilation pipe.

Preferably, the front surface of the box body is movably connected with a box door.

Furthermore, the box door is movably connected with the box body through a hinge.

Furthermore, the front fixed mounting of chamber door has control panel, temperature and humidity sensor, heater, water pump, first water feeding valve, second water feeding valve, ventilation fan, first scavenging valve, second scavenging valve all with control panel electric connection.

Furthermore, a door lock is arranged on the box door.

The technical effects of the utility model are mainly embodied as follows: the humiture of first experiment chamber and second experiment chamber can be detected through two humidoments, the humiture of first experiment chamber and second experiment chamber can be improved to rethread heater and humidification mechanism, the humiture of first experiment chamber or first experiment chamber can be reduced fast to rethread mechanism of taking a breath, consequently, this precision type constant temperature and humidity case passes through temperature and humidity sensor, heater, humidification mechanism and the mechanism of taking a breath, can the humiture in quick detection and regulation first experiment chamber or second experiment chamber, is favorable to improving experimental efficiency.

Drawings

FIG. 1 is a schematic view of a front view of a precision constant temperature and humidity chamber according to the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is a schematic structural view of the humidifying mechanism of FIG. 1;

fig. 4 is a schematic structural view of the ventilation mechanism of fig. 1.

Detailed Description

The following detailed description of the embodiments of the present invention is provided in order to make the technical solution of the present invention easier to understand and understand.

In the present embodiment, it should be understood that the terms "middle", "upper", "lower", "top", "right", "left", "above", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a bolt fixing manner, a pin connecting manner, or the like, which is commonly used in the prior art, and therefore, details thereof are not described in the present embodiment.

The utility model provides a precision type constant temperature and humidity case, as shown in fig. 1-2, includes box 1, sets up box 1's inside, and the division board 4 that box 1's internal partitioning is first laboratory cave 2 and second laboratory cave 3, respectively fixed mounting be two temperature and humidity sensor 5 on the inner wall of first laboratory cave 2 and second laboratory cave 3, respectively fixed mounting be in two heaters 6 on the inner wall of first laboratory cave 2 and second laboratory cave 3, still including setting up box 1's top, and extend to humidification mechanism 7 of first laboratory cave 2 and second laboratory cave 3 sets up box 1's top, and extend to ventilation mechanism 8 of first laboratory cave 2 and second laboratory cave 3. The front surface of the box body 1 is movably connected with a box door 11. The box door 11 is movably connected with the box body 1 through a hinge 111. A control panel 112 is fixedly installed on the front surface of the box door 11. The temperature and humidity sensor 5, the heater 6, the water pump 72, the first water supply valve 75, the second water supply valve 78, the ventilation fan 81, the first ventilation valve 84 and the second ventilation valve 87 are electrically connected with the control panel 112. The door 11 is provided with a door lock 113.

As shown in FIG. 3, the humidifying mechanism 7 includes a water tank 71 disposed on the top of the case 1, a water pump 72 disposed on the top of the case 1 and communicating with the water tank 71, a main water supply pipe 73 communicating with and fixed to the water pump 72, a first branch water supply pipe 74 communicating with and fixed to the main water supply pipe 73 and extending to the first experimental chamber 2, a first water supply valve 75 fixedly installed inside the first branch water supply pipe 74, a plurality of first atomizing humidifying heads 76 communicating with and fixed to the first branch water supply pipe 74 and each positioned in the first experimental chamber 2, a second branch water supply pipe 77 communicating with and fixed to the main water supply pipe 73 and extending to the second experimental chamber 3, a second water supply valve 78 fixedly installed inside the second branch water supply pipe 77, a water supply valve connected with and fixed to the first branch water supply pipe 77, And are all located in a plurality of second atomizing humidification heads 79 of the second experimental chamber 3. The water tank 71 is provided with a viewing window 711 for allowing a worker to easily check the water level of the water tank 71.

As shown in fig. 4, the ventilation mechanism 8 includes a ventilation fan 81 disposed on the top of the housing 1, a ventilation main pipe 82 communicating with and fixed to the ventilation fan 81, a first ventilation branch pipe 83 communicating with and fixed to the ventilation fan 81 and extending to the first laboratory chamber 2, a first ventilation valve 84 fixedly installed inside the first ventilation branch pipe 83, a first ventilation cover 85 communicating with and fixed to the first ventilation branch pipe 83 and located in the first laboratory chamber 2, a second ventilation branch pipe 86 communicating with and fixed to the ventilation fan 81 and extending to the second laboratory chamber 3, a second ventilation valve 87 fixedly installed inside the second ventilation branch pipe 85, and a second ventilation cover 88 communicating with and fixed to the first ventilation branch pipe 86. The ventilation mechanism 8 can adjust the temperature and humidity inside the box body 1, when the temperature inside the first experimental cavity 2 or the second experimental cavity 3 is higher than a set value, the control panel 112 opens the ventilation fan 81, correspondingly opens the first ventilation valve 84 or the second ventilation valve 87, extracts the high-temperature gas inside the first experimental cavity 2 or the second experimental cavity 3, and reduces the temperature inside the corresponding cavity; when the internal humidity of the first experimental chamber 2 or the second experimental chamber 3 is higher than the set value, the control panel 112 turns on the water pump 72, and correspondingly turns on the first water feeding valve 75 or the second water feeding valve 78 to pump out the internal humidity of the first experimental chamber 2 or the second experimental chamber 3, thereby reducing the internal humidity of the corresponding chamber.

In this embodiment, the type of the temperature and humidity sensor 5 is DHT11, the heater 6 is an electric heating pipe of type DF, the type of the water pump 72 is a miniature water pump of type S23L, the first water supply valve 75, the second water supply valve 78, the first air exchanging valve 84 and the second air exchanging valve 87 are all solenoid valves of type 4V210-08, the air exchanging fan 81 is a silent fan of type DPT10, and the control panel 112 is a PLC controller of type FX3U-16 MR-ES/a.

The working principle is as follows: switching on a power supply, opening the box door 11, putting articles to be tested into the first experimental chamber 2 and the second experimental chamber 3, and closing the box door 11; setting temperature and humidity parameters on the control panel 112, automatically opening the heater 6, the water pump 71, the first water feeding valve 75 and the second water feeding valve 78 by the control panel 112, and when the temperature and humidity sensor 5 detects that the internal temperature of the first experimental cavity 2 or the second experimental cavity 3 reaches a set value, correspondingly closing the heater 6 of the corresponding cavity by the control panel 112; when the temperature and humidity sensor 5 detects that the internal humidity of the first experimental cavity 2 or the second experimental cavity 3 reaches a set value, the control panel 112 correspondingly closes the first water feeding valve 75 or the second water feeding valve 78; when the temperature and humidity sensor 5 detects that the temperature and humidity inside the first experimental cavity 2 or the second experimental cavity 3 are not at the set value, the control panel 112 can adjust the temperature and humidity inside the first experimental cavity 2 or the second experimental cavity 3 by turning on or off the heater 6, the humidifying mechanism 7 and the ventilation mechanism 8, and maintain the constant temperature and humidity of the first experimental cavity 2 or the second experimental cavity 3.

The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.

Claims

1. The utility model provides an accurate type constant temperature and humidity case, includes the box, sets up the inside of box, and the interior division of box is the division board in first experiment chamber and second experiment chamber, fixed mounting respectively two temperature and humidity sensors on the inner wall in first experiment chamber and second experiment chamber, respectively fixed mounting be in two heaters on the inner wall in first experiment chamber and second experiment chamber, its characterized in that: still including setting up the top of box and extending to the humidification mechanism in first experiment chamber and second experiment chamber sets up the top of box and extends to the mechanism of taking a breath in first experiment chamber and second experiment chamber.

2. The precision constant temperature and humidity chamber as recited in claim 1, wherein: the humidifying mechanism comprises a water tank arranged at the top of the box body, a water pump arranged at the top of the box body and communicated with the water tank, a water delivery main pipe communicated and fixed with the water pump, a first water delivery branch pipe communicated and fixed with the water delivery main pipe and extending to the first experiment cavity, a first water delivery valve fixedly arranged in the first water delivery branch pipe, a plurality of first atomizing humidifying heads fixedly arranged in the first experiment cavity, a second water delivery branch pipe fixedly arranged in the second experiment cavity, a second water delivery valve fixedly arranged in the second water delivery branch pipe and a plurality of second atomizing humidifying heads fixedly arranged in the first water delivery branch pipe and extending to the second experiment cavity.

3. The precision constant temperature and humidity chamber as recited in claim 2, wherein: the water tank is provided with an observation window.

4. The precision constant temperature and humidity chamber as recited in claim 1, wherein: the air exchange mechanism comprises an air exchange fan arranged at the top of the box body, an air exchange main pipe communicated and fixed with the air exchange fan, a first air exchange branch pipe communicated and fixed with the air exchange fan and extending to the first experiment cavity, a first air exchange valve fixedly installed in the first air exchange branch pipe, a first air exchange cover communicated and fixed with the first air exchange branch pipe and located in the first experiment cavity, a second air exchange branch pipe communicated and fixed with the air exchange fan and extending to the second experiment cavity, a second air exchange valve fixedly installed in the second air exchange branch pipe, and a second air exchange cover communicated and fixed with the first air exchange branch pipe.

5. The precision constant temperature and humidity chamber as recited in claim 1, wherein: the front side of the box body is movably connected with a box door.

6. The precision constant temperature and humidity chamber as recited in claim 5, wherein: the box door is movably connected with the box body through hinges.

7. The precision constant temperature and humidity chamber as recited in claim 5, wherein: and the front surface of the box door is fixedly provided with a control panel.

8. The precision constant temperature and humidity chamber as recited in claim 5, wherein: and a door lock is arranged on the box door.