CN210752720U

CN210752720U - Constant temperature test box convenient to adjust

Info

Publication number: CN210752720U
Application number: CN201921235573.7U
Authority: CN
Inventors: 阳建
Original assignee: Shenzhen Huazheng Testing Technology Service Co Ltd
Current assignee: Shenzhen Huazheng Testing Technology Service Co Ltd
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2020-06-16
Anticipated expiration: 2029-08-01

Abstract

The utility model discloses a constant temperature test box convenient to adjust, which comprises a box body, wherein six groups of constant temperature box bodies are fixedly welded in the box body, the six groups of constant temperature box bodies all penetrate through the side wall of the box body and extend out of the box body, the inner wall of the constant temperature box body is fixedly provided with a heat insulation layer, one side wall of the constant temperature box body extending out of the box body is opened, one side of the constant temperature box body is connected with a box door through a hinge, hasps are arranged on one sides of the box doors far away from the hinge, two side walls in the constant temperature box body are respectively provided with a chute, and object placing plates are movably inserted in the chutes, the middle part of the object placing plate is provided with a fixed ring, the utility model is provided with at least six groups of constant temperature box bodies, the heat preservation at different temperatures can be simultaneously carried out on a plurality of groups of test objects, so that the test efficiency is improved; can be transported in the process of heat preservation.

Description

Constant temperature test box convenient to adjust

Technical Field

The utility model relates to a constant temperature test case field specifically is a constant temperature test case of convenient regulation.

Background

The constant temperature test box can adjust the temperature of the system, so that the temperature of the system can be kept in a temperature range required by the constant temperature test box, the temperature in the range controlled by the controller can be used for various requirements through program setting, and the constant temperature test box is widely applied to the fields of chemistry, physics, biology and the like, such as the heat preservation of chemical reagents, biological tissue culture, seed cultivation and the like.

In the test, a control variable method is very common, the temperature is often used as a controllable variable, but the interior of a common constant-temperature test box generally has only one temperature, so that the heat preservation of different temperatures of a plurality of groups of test objects can not be carried out at the same time, and the heat preservation can be carried out only in one group, thereby greatly reducing the test efficiency; sometimes, the test object needs to be transported to other laboratories or bases for further tests in the heat preservation process, and the common constant-temperature test box is inconvenient to carry.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a constant temperature test box convenient to adjust, which is provided with at least six groups of constant temperature box bodies, can simultaneously carry out heat preservation with different temperatures on a plurality of groups of test objects, and improves the test efficiency; set up the battery and provide electric power, set up retainer plate fixed test object, set up the handle and be convenient for carry and draw, make this constant temperature test case can transport at the heat preservation in-process, solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a constant temperature test box convenient to adjust comprises a box body, wherein six groups of constant temperature box bodies are fixedly welded in the box body, the six groups of constant temperature box bodies all penetrate through the side wall of the box body and extend to the outside of the box body, heat insulation layers are fixedly arranged on the inner walls of the six groups of constant temperature box bodies, one side wall of each of the six groups of constant temperature box bodies extending to the outside of the box body is opened, one side of each of the six groups of constant temperature box bodies is hinged with a box door through a hinge, hasps are arranged on one sides of the six groups of box doors far away from the hinge, sliding grooves are arranged on the two side walls in the six groups of constant temperature box bodies, object placing plates are movably inserted in the six groups of sliding grooves, fixing rings are arranged in the middle of the object placing plates, a storage battery box is fixedly arranged on the outer side of the box body, a storage battery is fixedly arranged in the storage battery, six groups thermostatic control ware electric connection respectively has the heater, six groups heater fixed mounting respectively in thermostated container body inner wall one side, the equal fixed welding of the relative both sides outer wall of box has the connecting block, the connecting block outside is connected with the handle through the pin rotation.

Preferably, the oven bodies are distributed in the box body in a rectangular array.

Preferably, the box door is provided with an observation window, and the observation window is fixedly clamped in the middle of the box door.

Preferably, the box downside fixed welding has the cushion, the cushion downside covers there is the elastic rubber layer.

Preferably, the storage batteries are at least provided with four groups, and the storage batteries are rechargeable lithium batteries.

Preferably, the retainer plate is provided with five groups at least, the retainer plate inner wall all is provided with the elastic rubber circle.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the constant temperature box is provided with at least six groups of constant temperature box bodies, each constant temperature box body is independently controlled by an independent constant temperature controller and can be set to a desired temperature, the temperature can be conveniently adjusted by the constant temperature controllers, heat preservation of different temperatures can be simultaneously carried out on a plurality of groups of test objects, heat preservation is not needed to be carried out in a group, and the test efficiency is improved by times;

2. set up the battery and provide electric power for the thermostated container body, set up retainer plate and elastic rubber circle, can the fixed test object, rock when preventing to remove, set up the handle and be convenient for carry and draw, make this constant temperature test case can transport at the heat preservation in-process.

Drawings

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

fig. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic view of the structure of the storage plate of the present invention;

fig. 5 is a schematic circuit diagram of the thermostatic controller of the present invention.

In the figure: 1. a box body; 2. a thermostat body; 3. a box door; 4. a hasp; 5. a chute; 6. a storage plate; 7. a stationary ring; 8. a battery case; 9. a storage battery; 10. a thermostatic controller; 11. a heater; 12. connecting blocks; 13. a handle; 14. an observation window; 15. cushion blocks; 16. an elastic rubber ring; 17. an insulating layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a constant temperature test box convenient to adjust comprises a box body 1, six groups of constant temperature box bodies 2 are fixedly welded in the box body 1 and used for preserving heat of a test target, the six groups of constant temperature box bodies 2 all penetrate through the side wall of the box body 1 and extend outside the box body 1, heat insulation layers 17 are fixedly arranged on the inner walls of the six groups of constant temperature box bodies 2, the specific material is a vacuum heat insulation plate, one side wall of the six groups of constant temperature box bodies 2 extending outside the box body 1 is open, one sides of the six groups of constant temperature box bodies 2 are all hinged with a box door 3 through hinges, hasps 4 are arranged on one sides of the six groups of box doors 3 far away from the hinges and used for fixing the positions of the box doors 3 when the box doors are closed, sliding grooves 5 are arranged on the two side walls in the six groups of constant temperature box bodies 2, object placing plates 6 can be supported by the sliding grooves 5, object placing plates, the fixing ring 7 is used for fixing test articles such as test tubes and culture dishes and preventing collision damage of the test tubes and the culture dishes when moving, a storage battery box 8 is fixedly arranged on the outer side of the box body 1, a storage battery 9 is fixedly arranged in the storage battery box 8, the storage battery 9 is used for providing electric quantity for the thermostatic controller 10 and the heater 11, the storage battery 9 is electrically connected with six groups of thermostatic controllers 10 through a switch, the circuit voltage of the thermostatic controller 10 is about 6V, in the circuit, a general operational amplifier mu A741 is used as an amplification comparator, a 555 time-base circuit is used as a trigger, a bidirectional thyristor VTH is used as an electronic switch of the heater, a thermistor RT is used as a sensor for controlling the temperature, a potentiometer RP is used for adjusting and controlling a thermostatic point, VL1 is also used as a voltage stabilizing tube and provides reference voltage of about 1.8V, VL2 is used as an indicator lamp for heating and warming, one side of the six groups of the thermostatic, the six groups of constant temperature controllers 10 are respectively and electrically connected with heaters 11, the heaters 11 are electric furnaces of 300-watt and 500-watt, the six groups of heaters 11 are respectively and fixedly installed on one side of the inner wall of the constant temperature box body 2, connecting blocks 12 are fixedly welded on the outer walls of two opposite sides of the box body 1, and the outer sides of the connecting blocks 12 are rotatably connected with handles 13 through pins, so that the box body 1 can be conveniently lifted and moved.

Specifically, six groups of constant temperature box bodies 2 are distributed in a rectangular array in the box body 1.

Specifically, be provided with observation window 14 on chamber door 3, observation window 14 material is high temperature resistant glass, is convenient for observe this internal target condition of thermostated container, if there is dangerous tendency, can make counter-measure in advance, and the fixed joint in the middle part of chamber door 3 of observation window 14.

Specifically, the fixed welding of 1 downside of box has cushion 15, and the 15 downside of cushion is covered with the elasticity rubber layer, is convenient for place.

Specifically, the storage batteries 9 are at least provided with four groups, and the storage batteries 9 are rechargeable lithium batteries, so that the environment is protected and the energy is saved.

Specifically, retainer plate 7 is provided with five groups at least, and retainer plate 7 inner wall all is provided with elastic rubber circle 16, and elastic rubber circle 16 passes through the fixed test apparatus that elasticity inflation can be more firm, and simultaneously, elastic rubber layer 16 has certain elasticity, can fix the not test apparatus of equidimension.

Referring to fig. 5, the circuit operation principle of the thermostat 10 is as follows: the RT has large resistance value at low temperature and small resistance value at high temperature, when the ambient temperature is lower than the set temperature, the 2-pin voltage of the mu A741 general operational amplifier is higher than the 3-pin voltage, the 6-pin outputs low level and requires lower than 3V, then the 2-pin at the trigger end of the 555 time-base circuit is in low level, the 3-pin at the output end outputs high level, VL2 emits light indication, simultaneously triggers the bidirectional thyristor VTH to be switched on, the heater is powered on, the temperature is heated, when the ambient temperature is higher than the set temperature, the 2-pin voltage of the mu A741 general operational amplifier is lower than the 3-pin voltage, the 6-pin outputs high level and requires higher than 6V, then the output of the 3-pin at the output end of the 555 time-base circuit is inverted to low level, VL2 is extinguished, the bidirectional thyristor VTH.

The working principle is as follows: open the switch, battery 9 supplies power for thermostatic control 10, adjust each thermostatic control 10, set for the temperature of each group's thermostated container body 2, open hasp 4, place the test object in putting 6 upsides of thing board or retainer plate 7, also can take out putting the thing board 6 from spout 5 part when inconvenient placing, put after accomplishing again and push into putting thing board 6, close chamber door 3, can carry out heat preservation to the test object, the heat loss of the reducible heat preservation in-process of insulating layer 17, the energy saving, when needs remove, can carry and draw handle 13 to remove, retainer plate 7 and elastic rubber circle 16 can be fixed the test object, collision prevention.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a convenient constant temperature test case who adjusts, includes box (1), its characterized in that: six groups of constant temperature box bodies (2) are fixedly welded in the box body (1), the six groups of constant temperature box bodies (2) all penetrate through the side wall of the box body (1) and extend to the outside of the box body (1), heat insulation layers (17) are fixedly arranged on the inner wall of the six groups of constant temperature box bodies (2), one side wall of each constant temperature box body (2) extending to the outside of the box body (1) is open, one side of each constant temperature box body (2) is hinged with a box door (3) through a hinge, hasps (4) are arranged on the sides, away from the hinge, of the box doors (3), sliding grooves (5) are arranged on the two side walls in the six groups of constant temperature box bodies (2), object placing plates (6) are movably inserted in the sliding grooves (5), fixing rings (7) are arranged in the middle of the object placing plates (6), and storage battery boxes (8) are fixedly arranged on, storage battery (9) have been placed to battery box (8) inside fixed, battery (9) have six thermostat control ware (10), six groups through switch electric connection thermostat control ware (10) one side is fixed respectively and sets up in six thermostat body (2) outer walls, six groups thermostat control ware (10) electric connection respectively have heater (11), six groups heater (11) fixed mounting respectively in thermostat body (2) inner wall one side, the equal fixed welding of box (1) relative both sides outer wall has connecting block (12), the connecting block (12) outside is connected with handle (13) through the rotation of pin.

2. An adjustable constant temperature test chamber as claimed in claim 1, wherein: the constant temperature box bodies (2) are distributed in the box body (1) in a rectangular array.

3. An adjustable constant temperature test chamber as claimed in claim 1, wherein: the box door (3) is provided with an observation window (14), and the observation window (14) is fixedly clamped in the middle of the box door (3).

4. An adjustable constant temperature test chamber as claimed in claim 1, wherein: the box body (1) downside fixed welding has cushion (15), cushion (15) downside covers there is the elastic rubber layer.

5. An adjustable constant temperature test chamber as claimed in claim 1, wherein: the storage battery (9) is at least provided with four groups, and the storage battery (9) is a rechargeable lithium battery.

6. An adjustable constant temperature test chamber as claimed in claim 1, wherein: five groups are at least arranged on the fixing ring (7), and elastic rubber rings (16) are arranged on the inner wall of the fixing ring (7).