Constant-temperature circulating test box

Abstract

The utility model discloses a constant temperature circulation test box which comprises an outer box body, the inner wall of the outer box body is fixedly connected with an inner box body, the inner wall of the inner box body is rotatably connected with an annular air pipe, and a plurality of air outlet holes are formed in the inner wall of the annular air pipe in an annular array mode. A driving mechanism for driving the annular air pipe to rotate in a reciprocating mode is arranged in a cavity between the outer box body and the inner box body, an air heater and an air cooler are further fixedly installed on the inner wall of the cavity, and the output end of the air heater and the output end of the air cooler are fixedly communicated with the annular air pipe through hoses. The air heater, the air cooler, the annular air pipe and the driving mechanism are arranged, the annular air pipe can rotate in a reciprocating mode through the driving mechanism, the air heater or the air cooler is started in a matched mode, hot air or cold air is blown out through the air outlet holes, and the temperature in the inner box body can be adjusted; therefore, the uniformity of the temperature in the inner box body is facilitated, and the test result is effectively prevented from being influenced by uneven temperature distribution.

Description

TECHNICAL FIELD

[0001] The utility model relates to test box technical field, concretely is a constant temperature circulation test chamber. BACKGROUND

[0002] The medical intermediates are chemical products in the process of synthesizing chemical raw medicines. They are important raw materials for synthesizing raw medicines and belong to the category of chemical products. According to the different uses of the raw medicines, they can be classified into antibiotics, antipyretic analgesics, anticancer drugs and cardiovascular system drugs. The medical intermediates belong to chemical products, and the upstream is mainly chemical raw material enterprises, which are divided into inorganic chemical raw materials and organic chemical raw materials. The downstream is mainly raw medicine production enterprises.

[0003] In the preparation process of the medical intermediates, a constant temperature test chamber is often used. The temperature inside the test chamber is adjusted so that the medical intermediates can react in a specific environment. However, the hot air outlet and the cold air outlet of the current test chamber are fixed, which leads to uneven temperature distribution in the test chamber, thereby easily affecting the test results. Therefore, it needs to be improved. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a constant temperature circulation test chamber to solve the problems in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a constant temperature circulation test chamber, comprising an outer box body, the inner wall of the outer box body is fixedly connected with an inner box body, the upper surface of the outer box body is dampedly rotationally connected with a cover plate, the bottom of the inner box body is provided with a placing disc, the inner wall of the inner box body is rotationally connected with an annular air pipe, a plurality of air outlet holes are arranged in the inner wall of the annular air pipe in a ring array, a driving mechanism for driving the annular air pipe to reciprocally rotate is arranged in the cavity between the outer box body and the inner box body, and a hot air blower and a cold air blower are further fixedly installed on the inner wall of the cavity, the output ends of the hot air blower and the cold air blower are fixedly communicated with the annular air pipe through hoses, a temperature sensor is fixedly connected to the inner wall of the inner box body, and a display screen connected in signal with the temperature sensor is arranged on the surface of the outer box body.

[0006] Preferably, the inner wall of the inner box body is fixedly connected with four limiting blocks in a ring array, a sliding groove is formed in the surface of the limiting block, and the annular air pipe is slidingly connected to the inner wall of the sliding groove.

[0007] Preferably, the driving mechanism comprises a driving gear, a driving rod and a plurality of protruding teeth, the plurality of protruding teeth are fixedly connected to the outer side of the annular air pipe, the driving rod is rotationally connected to the inner wall of the cavity, the driving gear is fixedly connected to the upper end of the driving rod, and the driving gear and the protruding teeth are meshed with each other.

[0008] Preferably, the placing disc is rotationally connected to the inner bottom of the inner box body, and a servo motor for driving the placing disc to rotate is arranged below the outer box body.

[0009] Preferably, the output end of the servo motor is fixedly connected with a first belt pulley, the outer surface of the driving rod is fixedly connected with a second belt pulley, and the outer surfaces of the first belt pulley and the second belt pulley are provided with a transmission belt.

[0010] Preferably, the lower surface of the outer box body is fixedly connected with a support frame, and the servo motor is fixedly installed on the support frame.

[0011] Preferably, the placing disc comprises a supporting disc and a plurality of fixing seats, the fixing seats are fixedly connected to the surface of the supporting disc, and the inner wall of the fixing seat is fixedly connected with a rubber ring.

[0012] Beneficial effects

[0013] The utility model provides a constant temperature circulation test box has the following beneficial effects:

[0014] 1. The constant temperature circulation test box, through setting up hot -blast machine, cold -blast machine, annular air pipe and drive mechanism, utilize drive mechanism can make annular air pipe reciprocating rotation, can change the position of air outlet hole unceasingly, cooperation opens hot -blast machine or cold -blast machine, utilize air outlet hole and blow out hot air or cold air, can realize the temperature of inside box body inside adjustment, and because air outlet hole position changes unceasingly, thereby be favorable to the uniformity of inside box body inside temperature, effectively avoided because temperature distribution is uneven and leads to the test result is affected.

[0015] 2. The constant temperature circulation test box, through setting up servo motor, support disc, fixing seat and rubber ring, utilize rubber ring can be convenient for with container fixed mounting in the inboard of fixing seat, through servo motor drive support disc reciprocating rotation, can be convenient for the reagent in the container shake, can accelerate the reaction process, promote test efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is whole three -dimensional structure schematic diagram that the utility model proposes a constant temperature circulation test box;

[0017] Figure 2 It is the right section structure schematic diagram that the utility model proposes a constant temperature circulation test box;

[0018] Figure 3 It is the down section structure schematic diagram that the utility model proposes a constant temperature circulation test box;

[0019] Figure 4 It is the placing disc three -dimensional structure schematic diagram that the utility model proposes a constant temperature circulation test box.

[0020] In the figure: 1, the outer box body; 2, the inner box body; 3, the cover plate; 4, the placing disc; 5, the annular air pipe; 6, the air outlet hole; 7, the cavity; 8, the driving mechanism; 9, the hot air blower; 10, the cold air blower; 11, the hose; 12, the temperature sensor; 13, the display screen; 14, the limiting block; 15, the driving gear; 16, the driving rod; 17, the protruding tooth; 18, the servo motor; 19, the first belt pulley; 20, the second belt pulley; 21, the transmission belt; 22, the support frame; 23, the support disc; 24, the fixed seat; 25, the rubber ring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides a kind of technical solutions: a constant temperature cycle test chamber, the inner wall of outer box body 1 is fixedly connected with inner box body 2, the upper surface of outer box body 1 is damped rotationally connected with cover plate 3, the bottom of inner box body 2 is provided with placing disc 4, the inner wall of inner box body 2 is rotationally connected with annular air pipe 5, the inner wall of annular air pipe 5 is arranged with a plurality of air outlet holes 6 in ring array, driving mechanism 8 for driving annular air pipe 5 reciprocating rotation is arranged in the cavity 7 between outer box body 1 and inner box body 2, and hot air blower 9 and cold air blower 10 are also fixedly installed on the inner wall of cavity 7, the output end of hot air blower 9 and cold air blower 10 is fixedly communicated with annular air pipe 5 by hose 11, the inner wall of inner box body 2 is fixedly connected with temperature sensor 12, and the surface of outer box body 1 is provided with display screen 13 signal connected with temperature sensor 12, by being provided with hot air blower 9, cold air blower 10, annular air pipe 5 and driving mechanism 8, annular air pipe 5 can be reciprocating rotated using driving mechanism 8, so that the position of air outlet hole 6 can be constantly changed, cooperate to open hot air blower 9 or cold air blower 10, using air outlet hole 6 to blow hot air or cold air, can realize the temperature of adjusting inside inner box body 2, and because the position of air outlet hole 6 is constantly changed, so it is favorable for the uniformity of temperature inside inner box body 2, effectively avoid the test result to be influenced due to temperature distribution uneven.

[0023] By being provided with temperature sensor 12 and display screen 13, the temperature inside inner box body 2 can be conveniently monitored in real time.

[0024] The inner wall of the inner box body 2 is fixedly connected with four limiting blocks 14 in an annular array, the surface of the limiting block 14 is provided with a sliding groove, and the annular air pipe 5 is slidingly connected to the inner wall of the sliding groove. By arranging the four limiting blocks 14, the annular air pipe 5 can be limited, thereby facilitating the rotation of the annular air pipe 5.

[0025] The driving mechanism 8 comprises a driving gear 15, a driving rod 16 and a plurality of convex teeth 17, the plurality of convex teeth 17 are fixedly connected to the outer side of the annular air pipe 5, the driving rod 16 is rotatably connected to the inner wall of the cavity 7, the driving gear 15 is fixedly connected to the upper end of the driving rod 16, and the driving gear 15 and the convex teeth 17 are meshed with each other.

[0026] The placement disc 4 is rotatably connected to the inner bottom of the inner box body 2, and the lower portion of the outer box body 1 is provided with a servo motor 18 for driving the rotation of the placement disc 4.

[0027] The output end of the servo motor 18 is fixedly connected with a first pulley 19, the outer surface of the driving rod 16 is fixedly connected with a second pulley 20, and the outer surfaces of the first pulley 19 and the second pulley 20 are jointly provided with a transmission belt 21. By arranging the first pulley 19, the second pulley 20 and the transmission belt 21, the rotation of the first pulley 19 can be driven by the operation of the servo motor 18, the rotation of the second pulley 20 can be driven by the transmission of the transmission belt 21, thereby achieving the rotation of the driving rod 16, the rotation of the driving gear 15 can be driven by the rotation of the driving rod 16, and the reciprocating rotation of the annular air pipe 5 can be achieved by the meshing transmission of the driving gear 15 and the convex teeth 17.

[0028] The lower surface of the outer box body 1 is fixedly connected with a support frame 22, and the servo motor 18 is fixedly installed on the support frame 22. By arranging the support frame 22, the outer box body 1 and the servo motor 18 can be supported.

[0029] The placement disc 4 comprises a support disc 23 and a plurality of fixing seats 24, the plurality of fixing seats 24 are fixedly connected to the surface of the support disc 23, and the inner wall of the fixing seat 24 is fixedly connected with a rubber ring 25. By arranging the servo motor 18, the support disc 23, the fixing seat 24 and the rubber ring 25, the rubber ring 25 can be used to facilitate the fixing and installation of the container inside the fixing seat 24, and the reciprocating rotation of the support disc 23 can be driven by the servo motor 18, thereby facilitating the shaking of the reactants in the container, accelerating the reaction process and improving the test efficiency.

[0030] Working principle: when the constant temperature circulation test chamber is in use, firstly rotate the cover plate 3 to open the inner box 2, then install the container in the fixed seat 24, reset the cover plate 3, then open the hot air blower 9 or the cold air blower 10 according to the test requirement, the hot air blower 9 or the cold air blower 10 can be used to convey the hot air or the cold air from the hose 11 into the annular air pipe 5, finally the hot air or the cold air is sprayed from the air outlet 6, so that the temperature inside the inner box 2 is constant, and the whole test chamber can be circulated, at the same time, the servo motor 18 is reciprocatingly rotated, the annular air pipe 5 can be reciprocatingly rotated, so that the position of the air outlet 6 can be changed constantly, the hot air or the cold air is blown out from the air outlet 6, the temperature inside the inner box 2 can be adjusted, and since the position of the air outlet 6 is changed constantly, the uniformity of the temperature inside the inner box 2 is improved, and the test result is not affected by the uneven temperature distribution.

[0031] The utility model discloses the embodiment of the drawings, only relate to the structure of the embodiment of the utility model, other structures can refer to the usual design, under the condition of not conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0032] Finally: the above only for the preferred embodiment of the utility model has, and does not use for limiting the utility model, any modification, equivalent replacement, improvement etc. that is made in the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A thermostatic circulating test chamber comprising an outer cabinet (1), characterized in that: The inner wall of the outer box body (1) is fixedly connected with an inner box body (2), the upper surface of the outer box body (1) is dampingly connected with a cover plate (3), the bottom of the inner box body (2) is provided with a placing disc (4), the inner wall of the inner box body (2) is rotatably connected with an annular air pipe (5), a plurality of air outlet holes (6) are annularly arranged on the inner wall of the annular air pipe (5), a driving mechanism (8) for driving the annular air pipe (5) to reciprocatingly rotate is arranged in a cavity (7) between the outer box body (1) and the inner box body (2), and a hot air blower (9) and a cold air blower (10) are fixedly installed on the inner wall of the cavity (7), the output ends of the hot air blower (9) and the cold air blower (10) are fixedly communicated with the annular air pipe (5) through hoses (11), a temperature sensor (12) is fixedly connected to the inner wall of the inner box body (2), and a display screen (13) signal-connected with the temperature sensor (12) is arranged on the surface of the outer box body (1).

2. The thermostatic cycle test chamber according to claim 1, characterized in that: The inner wall of the inner box body (2) is fixedly connected with four limiting blocks (14) in an annular array, a sliding groove is formed in the surface of the limiting block (14), and the annular air pipe (5) is slidingly connected to the inner wall of the sliding groove.

3. The constant temperature cycled test chamber of claim 2, wherein: The driving mechanism (8) comprises a driving gear (15), a driving rod (16) and a plurality of convex teeth (17), the plurality of convex teeth (17) are fixedly connected to the outer side of the annular air pipe (5), the driving rod (16) is rotatably connected to the inner wall of the cavity (7), the driving gear (15) is fixedly connected to the upper end of the driving rod (16), and the driving gear (15) and the convex teeth (17) are meshed with each other.

4. The constant temperature cycled test chamber of claim 3, wherein: The placing disc (4) is rotatably connected to the inner bottom of the inner box body (2), and a servo motor (18) for driving the placing disc (4) to rotate is arranged below the outer box body (1).

5. The thermostatic cycle test chamber according to claim 4, characterized in that: The output end of the servo motor (18) is fixedly connected with a first belt pulley (19), the outer surface of the driving rod (16) is fixedly connected with a second belt pulley (20), and the outer surfaces of the first belt pulley (19) and the second belt pulley (20) are jointly provided with a transmission belt (21).

6. The constant temperature cycled test chamber of claim 4, wherein: The lower surface of the outer box body (1) is fixedly connected with a support frame (22), and the servo motor (18) is fixedly installed on the support frame (22).

7. The constant temperature cycled test chamber of claim 1, wherein: The placing disc (4) comprises a support disc (23) and a plurality of fixing seats (24), the plurality of fixing seats (24) are fixedly connected to the surface of the support disc (23), and the inner wall of the fixing seat (24) is fixedly connected with a rubber ring (25).

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