CN212524177U

CN212524177U - Student's test bench that security performance is good

Info

Publication number: CN212524177U
Application number: CN202020928608.1U
Authority: CN
Inventors: 季祥义
Original assignee: Shanghai East Teaching Co ltd
Current assignee: Shanghai East Teaching Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-02-12
Anticipated expiration: 2030-05-28

Abstract

The utility model discloses a student's test bench that security performance is good, including underframe and protection casing, the protection casing sets up in the top of underframe, the underframe includes locker, fire control cabinet, storage drawer and table platform, the top of protection casing one side outer wall is provided with the alarm subassembly, and the top of protection casing is provided with smoke concentration sensor and LED lamp, the top of table platform is provided with the pond and the supplementary box that have tap. The utility model discloses can be when carrying out the chemistry experiment, the operation of making a mistake and when causing the piston, but real time monitoring smog concentration to send out the police dispatch newspaper through siren and warning light, and collocation fire control cabinet has improved the security performance of equipment use, effectively avoids the too high and serious phenomenon of indoor air pollution to take place of small size chemical gas concentration, and test tube on the test-tube rack can be dried fast, can avoid the phenomenon emergence that the interior sewage of test tube drips to the desktop pollutes the desktop.

Description

Student's test bench that security performance is good

Technical Field

The utility model relates to a student's test bench technical field especially relates to a student's test bench that security performance is good.

Background

The junior middle school can contact the chemical subject, and the chemical study is further proved through chemical tests, and the existing chemical test table is an important device in chemical teaching.

Through the retrieval, chinese patent application No. 201820143854.9 discloses a junior middle school chemistry test table, and table body upside is provided with the test bench, and the test bench upside other end is provided with the washing tank, and the sewage mouth has been seted up to the bottom in the washing tank, runs through on the test bench of washing tank one side to be provided with the tap of taking the valve, and the adjustable shelf is installed to the test bench upside, and the adjustable shelf is located test bench one side and has seted up T shape spout. The chemical test table for junior middle school in the patent has the following defects: this chemical test table lacks certain emergency device when using, when proruption dangerous accident, can not in time send out the police dispatch newspaper, and the security performance is lower.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing a student test bed with good safety performance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a student's test bench that security performance is good, includes underframe and protection casing, the protection casing sets up in the top of underframe, the underframe includes locker, fire control cabinet, storage drawer and table platform, the top of protection casing one side outer wall is provided with the alarm subassembly, and the top of protection casing is provided with smoke concentration sensor and LED lamp, the top of table platform is provided with pond and the supplementary box that has tap.

Further, the alarm assembly comprises an alarm box, and an alarm and a warning lamp are arranged in the alarm box.

Furthermore, the signal output end of the smoke concentration sensor is electrically connected with the electric control switch of the alarm and the warning lamp through the processor.

Further, the top of supplementary box is provided with the peg, and the both sides outer wall of peg all is provided with a plurality of test-tube rack.

Further, the both sides of supplementary box top inner wall all are provided with drying blower, and drying blower's air-out end is connected with a plurality of shunt tubes through the ventilation pipe.

Further, the outer wall of shunt tubes has cup jointed the draft hood, and the draft hood is located the below of test-tube rack.

Furthermore, the inner wall of the bottom end of the auxiliary box is connected with a water box in a sliding mode.

Furthermore, an exhaust mechanism is arranged at the top end of the table platform and comprises a back plate provided with a plurality of ventilation chutes.

Furthermore, a supporting plate is arranged at one end of the back plate, an exhaust fan is arranged at the top end of the supporting plate, and an exhaust pipe is inserted into the exhaust end of the exhaust fan.

Furthermore, one side of the back plate is provided with a plurality of shielding covers, and the vertical sections of the shielding covers are of fan-shaped structures.

The utility model has the advantages that:

1. through setting up smog concentration sensor, siren and warning light, can be when carrying out the chemistry experiment, when the misoperation that appears and arouse the piston, but real time monitoring smog concentration to send the police dispatch newspaper through siren and warning light, and collocation fire control cabinet has improved the security performance of equipment use.

2. Through setting up air discharge fan and blast pipe, can take out the foul gas that produces in the experimentation, effectively avoid small area chemical gas concentration too high and cause the serious phenomenon of indoor air pollution to take place, set up the cover that shelters from simultaneously and ventilate the chute, the phenomenon that directly blows the student takes place when can avoiding the distinguished and admirable backward flow.

3. Through setting up drying fan and draft hood, can the test tube on the quick drying test-tube rack, the water box is installed to the while, can avoid the in vitro sewage to drip the phenomenon emergence that pollutes the desktop to the desktop.

Drawings

Fig. 1 is a schematic view of the overall structure of a student test bed with good safety performance provided by the utility model;

fig. 2 is a side sectional view of a student test bed with good safety performance;

fig. 3 is the utility model provides an auxiliary box structure schematic diagram of student's test bench that security performance is good.

In the figure: the device comprises a protective cover 1, an exhaust pipe 2, an alarm box 3, a warning lamp 4, an alarm 5, an auxiliary box 6, a water pool 7, a storage drawer 8, a bottom frame 9, a fire-fighting cabinet 10, a storage cabinet 11, a table 12, an exhaust fan 13, a back plate 14, a shielding cover 15, an LED lamp 16, a smoke concentration sensor 17, a drying fan 18, a hanging rod 19, a test tube rack 20, a ventilation pipe 21, a ventilation hood 22 and a water box 23.

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.

Referring to fig. 1-3, a student's test bench that security performance is good, including underframe 9 and protection casing 1, protection casing 1 welds the top at underframe 9, underframe 9 includes locker 11, fire control cabinet 10, storage drawer 8 and table platform 12, can place fire control equipment such as fire extinguisher in the fire control cabinet 10, but the categorised different article of storage locker 11 and storage drawer 8, there is the alarm subassembly on the top of protection casing 1 one side outer wall through the fix with screw, and there are smoke concentration sensor 17 and LED lamp 16 on the top of protection casing 1 through the fix with screw, the top of table platform 12 is provided with pond 7 and the auxiliary box 6 that have tap.

In the utility model, the alarm component comprises an alarm box 3, an alarm 5 and a warning light 4 are fixed in the alarm box 3 through screws, the signal output end of a smoke concentration sensor 17 is electrically connected with an electric control switch of the alarm 5 and the warning light 4 through a processor, the model of the preferred processor is AT89S52, the smoke concentration sensor 17 can detect smoke concentration signals and transmit the information to the processor, the processor controls the opening and closing of the alarm 5 and the warning light 4, a hanging rod 19 is welded AT the top end of an auxiliary box 6, a plurality of test tube racks 20 are welded on the outer walls of two sides of the hanging rod 19, a drying fan 18 is fixed on two sides of the inner wall AT the top of the auxiliary box 6 through screws, the air outlet end of the drying fan 18 is connected with a plurality of shunt tubes 21, a ventilation hood 22 is sleeved on the outer wall of the shunt tubes, and the ventilation hood 22 is positioned below the test tube racks 20, the bottom inner wall sliding connection of supplementary box 6 has water box 23, the top welding of table platform 12 has exhaust mechanism, and exhaust mechanism is including opening backplate 14 that has a plurality of ventilation chute, the one end welding of backplate 14 has the backup pad, the top of backup pad is passed through the fix with screw and is had exhaust fan 13, exhaust fan 13's the end of airing exhaust is pegged graft and is had blast pipe 2, test tube or gas purification processing apparatus are connected to the other end of blast pipe 2, one side welding of backplate 14 has a plurality of shutter cover 15, and the vertical section of shutter cover 15 is fan-shaped structure.

The working principle is as follows: fix equipment in suitable position, and connect the blast pipe 2 outside, and connect the water supply end with tap on the pond 7, connect the power with equipment simultaneously, can use desktop 12 to test, during the experiment, the foul air accessible exhaust fan 13 of production discharges, when dangerous accident appears, smoke concentration sensor 17 detects smog concentration when great, siren 5 and warning light 4 send out the police dispatch newspaper, managers in time handles simultaneously, can place the fire hydrant in the fire control cabinet 10 and carry out the fire control, and the test tube uses the clean test tube of back washing to place on test-tube rack 20, drying fan 18 work accessible hood 22 dries the test tube.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a student's test bench that security performance is good, includes underframe (9) and protection casing (1), protection casing (1) sets up in the top of underframe (9), a serial communication port, underframe (9) are including locker (11), fire control cabinet (10), storage drawer (8) and table platform (12), the top of protection casing (1) one side outer wall is provided with the alarm subassembly, and the top of protection casing (1) is provided with smoke concentration sensor (17) and LED lamp (16), the top of table platform (12) is provided with pond (7) and supplementary box (6) that have tap.

2. The student test bed with good safety performance is characterized in that the alarm assembly comprises an alarm box (3), and an alarm (5) and a warning lamp (4) are arranged in the alarm box (3).

3. The student test bed with good safety performance as claimed in claim 2, wherein the signal output end of the smoke concentration sensor (17) is electrically connected with the electric control switches of the alarm (5) and the warning lamp (4) through a processor.

4. The student test bed with good safety performance according to claim 1, wherein a hanging rod (19) is arranged at the top end of the auxiliary box (6), and a plurality of test tube racks (20) are arranged on the outer walls of two sides of the hanging rod (19).

5. The student test bed with good safety performance according to claim 4, wherein the drying fans (18) are arranged on two sides of the inner wall of the top of the auxiliary box (6), and the air outlet ends of the drying fans (18) are connected with a plurality of shunt pipes through ventilation pipes (21).

6. The student test bed with good safety performance is characterized in that a ventilation hood (22) is sleeved on the outer wall of the shunt pipe, and the ventilation hood (22) is located below the test tube rack (20).

7. The student test bed with good safety performance as claimed in claim 6, wherein a water box (23) is connected to the inner wall of the bottom end of the auxiliary box (6) in a sliding mode.

8. The student test bed with good safety performance as claimed in any one of claims 1 to 7, wherein an air exhaust mechanism is arranged at the top end of the table (12), and the air exhaust mechanism comprises a back plate (14) provided with a plurality of ventilation chutes.

9. The student test bed with good safety performance according to claim 8, wherein a supporting plate is arranged at one end of the back plate (14), an exhaust fan (13) is arranged at the top end of the supporting plate, and an exhaust pipe (2) is inserted into an exhaust end of the exhaust fan (13).

10. The student test bed with good safety performance according to claim 9, wherein a plurality of shielding covers (15) are arranged on one side of the back plate (14), and the vertical sections of the shielding covers (15) are of fan-shaped structures.