CN211503132U - Laboratory fresh air device with temperature control device - Google Patents
Laboratory fresh air device with temperature control device Download PDFInfo
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- CN211503132U CN211503132U CN201922056400.5U CN201922056400U CN211503132U CN 211503132 U CN211503132 U CN 211503132U CN 201922056400 U CN201922056400 U CN 201922056400U CN 211503132 U CN211503132 U CN 211503132U
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Abstract
The utility model belongs to the technical field of the technique of laboratory new trend device and specifically relates to a laboratory new trend device with temperature control device is related to, it includes the fume chamber, the third inlet duct of fume chamber lower fixed surface be connected with and fume chamber intercommunication, be equipped with temperature control device on the third inlet duct outer wall. The utility model discloses have and heat gas in advance, the effect of the difference in temperature that gaseous endless in-process produced in the fume chamber of minimizing.
Description
Technical Field
The utility model belongs to the technical field of the technique of laboratory new trend device and specifically relates to a laboratory new trend device with temperature control device is related to.
Background
In chemical laboratories and the like, where corrosive gases are generated, the experiments need to be performed in a fume hood. As shown in fig. 1, a second pipeline 12 is fixedly connected to the upper surface of the fume hood 1, the second pipeline 12 is communicated with the inside of the fume hood 1, and a second exhaust fan 61 is connected to one side of the second pipeline 12, which is far away from the fume hood 1. The lower surface fixed connection of fume chamber 1 has first pipeline 11, and first pipeline 11 and the inside intercommunication of fume chamber 1, one side that fume chamber 1 was kept away from to first pipeline 11 are connected with first air exhauster 41. A first suction fan 41 draws external air into the first conduit 11, which air passes from the underside through the first conduit 11 into the fume hood 1. A second suction fan 61 draws air from the interior of the hood 1 into the second duct 12 and discharges the air from the second duct 12.
The above prior art solutions have the following drawbacks: the temperature of the outside air is lower in winter, and the first exhaust fan 41 directly pumps the outside air into the fume hood 1, so that the temperature in the fume hood 1 is rapidly reduced, and the experimental process may be influenced.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, one of the purposes of the utility model is to provide a laboratory new trend device with temperature control device, it has heats gas in advance, reduces the effect of the difference in temperature that the in-process of gas circulation produced in the fume chamber as far as possible.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a laboratory new trend device with temperature control device, includes the fume chamber, fume chamber lower fixed surface is connected with the third inlet duct with the fume chamber intercommunication, be equipped with temperature control device on the third inlet duct outer wall.
Through adopting above-mentioned technical scheme, temperature control device heats the third inlet duct, the third inlet duct is heated the back and then heats the gas in the third inlet duct, the gas that is heated gets into in the fume chamber, through adjusting temperature control device to the heating strength of third inlet duct and then the temperature of the gas in the third inlet duct of control, make the gas that gets into in the fume chamber keep unanimous basically with the temperature in the fume chamber, it has heats gas in advance, the effect of the difference in temperature that the in-process that reduces the gas cycle in the fume chamber as far as possible produced.
The present invention may be further configured in a preferred embodiment as: temperature control device includes that third advances the heating wire that fixed connection has on the tuber pipe outer wall, temperature control device still including the cover at the outside heat preservation device of heating wire, the one end fixedly connected with second air-supply line that the fume chamber was kept away from to the third advances the tuber pipe, the second air-supply line is connected with first air-supply line through filter equipment, first air-supply line is connected with first air exhauster.
By adopting the technical scheme, the electric heating wire is electrified to heat the third air inlet pipe, the temperature of the electric heating wire is higher as the current passing through the inside of the electric heating wire is higher, the current passing through the inside of the electric heating wire is reduced, the temperature of the electric heating wire is reduced, the electric heating wire is arranged inside the heat preservation device, the heat loss of the electric heating wire when the electric heating wire heats the third air inlet pipe is reduced as much as possible, and the process that the electric heating wire heats the gas in the third air inlet pipe is more stable; the first exhaust fan pumps external air into the first air inlet pipe, the air in the first air inlet pipe enters the second air inlet pipe through the filtering device, the air in the second air inlet pipe enters the third air inlet pipe, the electric heating wire heats the air in the third air inlet pipe, the heated air enters the ventilation cabinet, and the temperature of the air in the third air inlet pipe is controlled by changing the current passing through the inside of the electric heating wire, so that the temperature of the air entering the ventilation cabinet is basically consistent with that in the ventilation cabinet; simultaneously through in the heated gas entering fume chamber, can not make the personnel of carrying on the experiment blow by the cold gas, reinforcing experimenter is at the comfort level of during operation.
The present invention may be further configured in a preferred embodiment as: the heat preservation device includes along third inlet air pipe outer wall fixed connection's supporting bench, the bottom of heating wire passes the supporting bench setting, the supporting bench overlap joint has semicircular first heat preservation cover and second heat preservation cover, it is fixed through fixing device that articulated and keep away from one side of articulated department in first heat preservation cover and second heat preservation cover one side, the inside of first heat preservation cover and second heat preservation cover is arranged in to the heating wire.
Through adopting above-mentioned technical scheme, first heat preservation cover and second heat preservation cover one side are articulated, and the one side of keeping away from articulated department is fixed through fixing device, and the accepting table upside is arranged in to first heat preservation cover and second heat preservation cover, and the heating wire is arranged first heat preservation cover and second in heat preservation cover in, the thermal loss of heating wire as far as possible reduces.
The present invention may be further configured in a preferred embodiment as: and the inner walls of the first heat-preservation cover and the second heat-preservation cover are respectively and fixedly connected with heat-preservation plates.
Through adopting above-mentioned technical scheme, inside the space that two heated boards formed was arranged in to the heating wire, the heated board further strengthened the heat preservation effect of first heat preservation cover and second heat preservation cover.
The present invention may be further configured in a preferred embodiment as: fixing device keeps warm including first cover and second and covers one side of keeping away from articulated department first connecting block and the second connecting block that fixed connection has respectively, first connecting block and second connecting block pass the bolt fastening.
By adopting the technical scheme, after the first protective cover and the second protective cover wrap the heating wire, the first connecting block and the second connecting block are mutually abutted, and the bolt penetrates through the first connecting block and the second connecting block to be fixed; when needs inspection heating wire, pull down the bolt on first connecting block and the second connecting block, open first heat preservation cover and second and keep warm the cover and take off from the bearing bench, keep warm first heat preservation cover and second again and keep warm the cover overlap joint at the bearing bench after the inspection finishes, rotate first heat preservation cover and second and keep warm the cover and make first connecting block and second connecting block butt, it is fixed that the bolt passes first connecting block and second connecting block, the inside of first heat preservation cover and second heat preservation cover is arranged in to the heating wire this moment.
The present invention may be further configured in a preferred embodiment as: and a protective net is fixedly connected to the inner wall of the upper side of the third air inlet pipe.
Through adopting above-mentioned technical scheme, the upper surface of protection network and the upper surface department of third air inlet pipe are in same plane, and the protection network can reduce the inside article of fume chamber and drop the inside possibility of third air inlet pipe.
The present invention may be further configured in a preferred embodiment as: the inner wall of the bottom of the fume chamber is hinged with a baffle plate which covers the upper side of the protective net.
Through adopting above-mentioned technical scheme, rotate the baffle and make the baffle cover the protection network upside, the part that the baffle covered the protection network upside is more, and the amount of wind that gets into the inside fume chamber by third inlet duct is less, and the part that the baffle covered the protection network upside is less, and the amount of wind that gets into in the fume chamber by third inlet duct is big more. The baffle is rotated to control the amount of the baffle covering the upper side of the protective net, and the proper air quantity entering the ventilation cabinet is adjusted.
The present invention may be further configured in a preferred embodiment as: the filter device comprises a filter pipe, the filter pipe is connected with a second air inlet pipe through a first flange, the filter pipe is connected with the first air inlet pipe through a second flange, a groove is inwards formed in the end face of the first flange on the filter pipe, a filter box with holes is inserted in the groove, and activated carbon is arranged in the filter box.
By adopting the technical scheme, the first exhaust fan pumps external air into the first air inlet pipe, the air in the first air inlet pipe enters the filter pipe, the air in the filter pipe enters the second air inlet pipe through the filter box, the activated carbon in the filter box adsorbs impurities in the air passing through the filter box, the air entering the fume chamber is cleaner as far as possible, when the filter box needs to be replaced after being used for a period of time, the first flange is separated, the second flange is also separated, the filter pipe is separated from the first air inlet pipe and the second air inlet pipe, the filter box is taken out of the groove, a new filter box with activated carbon is inserted into the groove, and then the filter pipe is respectively connected with the first air inlet pipe and the second air inlet pipe.
The present invention may be further configured in a preferred embodiment as: and a sealing ring is arranged between the first flanges.
Through adopting above-mentioned technical scheme, leakproofness when the sealing washer increases to connect between the first flange.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the outer wall of a third air inlet pipe communicated with the fume hood is provided with a temperature control device, and the temperature control device has the effects of heating air in advance and reducing the temperature difference generated in the air circulation process in the fume hood as much as possible;
2. the heated air enters the ventilation cabinet, so that the personnel in test can not be blown by cold air, and the comfort level of the experimenter during working is enhanced;
3. the filter box that is equipped with the active carbon is pegged graft in the recess, and first air exhauster takes out outside gas in to first air-supply line, and gas enters into the filter tube in the first air-supply line, and gas passes through the filter box in the filter tube and enters into the second air-supply line, and the active carbon in the filter box adsorbs the impurity in the gas through the filter box, makes the gas that gets into in the fume chamber comparatively clean as far as possible.
Drawings
FIG. 1 is a schematic diagram of a background art configuration;
FIG. 2 is a schematic structural diagram of the present embodiment;
fig. 3 is a schematic view showing a heating wire according to the present embodiment;
fig. 4 is a schematic view showing the first connecting block and the second connecting block abutting in the present embodiment;
FIG. 5 is a schematic view showing the first heat-retaining cover and the second heat-retaining cover opened in the present embodiment;
fig. 6 is a schematic view of the connection between the integrated protection net and the third air inlet pipe in the embodiment;
fig. 7 is a schematic view showing the protective net in this embodiment;
FIG. 8 is a schematic view of the baffle embodied in the present embodiment;
FIG. 9 is a schematic view of the present embodiment showing the first and second flanges;
FIG. 10 is a schematic view showing a groove in the present embodiment;
fig. 11 is a schematic view showing a seal ring according to the present embodiment.
Reference numerals: 1. a fume hood; 11. a first conduit; 12. a second conduit; 13. a baffle plate; 2. a third air inlet pipe; 21. an electric heating wire; 22. a first heat-insulating cover; 221. a first connection block; 222. a thermal insulation board; 23. a second heat-insulating cover; 231. a second connecting block; 24. a receiving table; 25. a protective net; 3. a second air inlet pipe; 4. a first air inlet pipe; 41. a first exhaust fan; 42. an air inlet; 5. a first exhaust duct; 6. a second exhaust duct; 61. a second exhaust fan; 62. an air outlet; 7. a filter tube; 71. a first flange; 72. a second flange; 711. a groove; 712. a filter cartridge; 713. and (5) sealing rings.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 2, for the utility model discloses a new trend device in laboratory with temperature control device, including fume chamber 1, the third inlet duct 2 of the vertical setting of fume chamber 1 lower surface fixedly connected with, third inlet duct 2 and the inside intercommunication of fume chamber 1 (refer to fig. 3). One end of the third air inlet pipe 2 far away from the ventilation cabinet 1 is fixedly connected with a second air inlet pipe 3 which is horizontally arranged, one end of the second air inlet pipe 3 far away from the third air inlet pipe 2 is connected with a first air inlet pipe 4 through a filtering device, one side of the first air inlet pipe 4 far away from the third air inlet pipe 2 is connected with a first exhaust fan 41, and one end of the first air inlet pipe 4 far away from the third air inlet pipe 2 is an air inlet 42. Fixed surface is connected with the first exhaust duct 5 of vertical setting on the fume chamber 1, first exhaust duct 5 and the inside intercommunication of fume chamber 1. One end of the first exhaust pipe 5 far away from the fume hood 1 is fixedly connected with a second exhaust pipe 6 horizontally arranged, one side of the second exhaust pipe 6 far away from the first exhaust pipe 5 is connected with a second exhaust fan 61, and one end of the second exhaust pipe 6 far away from the first exhaust pipe 5 is an air outlet 62.
The first exhaust fan 41 pumps external air into the first air inlet pipe 4 from the air inlet 42, and the air sequentially passes through the first air inlet pipe 4, the filter device, the second air inlet pipe 3 and the third air inlet pipe 2 and enters the fume hood 1 from the lower side. The second exhaust fan 61 pumps the air inside the fume hood 1 into the first exhaust duct 5, and the air in the first exhaust duct 5 passes through the second exhaust duct 6 and is exhausted from the exhaust port 62.
As shown in fig. 2 and 3, the temperature control device is installed on the outer wall of the third air inlet pipe 2 to heat the air in the third air inlet pipe 2, so that the temperature of the air entering the fume hood 1 is substantially the same as the temperature of the air in the fume hood 1. Simultaneously through the gaseous entering fume chamber 1 of heating, can not make the personnel of carrying on the experiment blow by the cold gas, reinforcing experimenter is at the comfort level of during operation.
The temperature control device comprises a heating wire 21 fixedly connected to the outer wall of the third air inlet pipe 2, and the heating wire 21 is spirally distributed from top to bottom along the outer wall of the third air inlet pipe 2. The heating wire 21 is powered on to heat the third air inlet pipe 2 and further heat the gas in the third air inlet pipe 2, the larger the current passing through the inside of the heating wire 21 is, the higher the temperature of the heating wire 21 is, the smaller the current passing through the inside of the heating wire 21 is, and the lower the temperature of the heating wire 21 is.
The temperature control device also comprises a heat preservation device for wrapping the heating wire 21, the heat preservation device comprises an annular bearing table 24 fixedly connected with the lower side of the third air inlet pipe 2 along the outer wall, and the lowest end of the heating wire 21 penetrates through the bearing table 24. The upper surface of the receiving platform 24 is lapped with a semicircular first heat-preservation cover 22 and a semicircular second heat-preservation cover 23, one side of the first heat-preservation cover 22 and one side of the second heat-preservation cover 23 are hinged, and the side far away from the hinged position is fixed through a fixing device. The heating wire 21 is arranged in the first heat-preserving cover 22 and the second heat-preserving cover 23, so that the heat loss of the heating wire 21 is reduced as much as possible, and the process of heating the gas in the third air inlet pipe 2 by the heating wire 21 is more stable.
As shown in fig. 4 and 5, the fixing device includes a first connection block 221 and a second connection block 231 respectively fixedly connected to the sides of the first heat-insulating cover 22 and the second heat-insulating cover 23 away from the hinge, and when the first heat-insulating cover 22 and the second heat-insulating cover 23 wrap the heating wire 21 (see fig. 2), the first connection block 221 and the second connection block 231 abut against each other, and the bolt passes through the first connection block 221 and the second connection block 231 to be fixed. The inner walls of the first heat-preservation cover 22 and the second heat-preservation cover 23 are respectively and fixedly connected with a heat-preservation plate 222, the heating wire 21 is arranged in a space formed by the two heat-preservation plates 222, and the heat-preservation effect of the first heat-preservation cover 22 and the second heat-preservation cover 23 is further enhanced by the heat-preservation plate 222.
When the structure of the heating wire 21 needs to be checked, the bolts are removed from the first connection block 221 and the second connection block 231, the first heat-insulating cover 22 and the second heat-insulating cover 23 are opened, and the first heat-insulating cover 22 and the second heat-insulating cover 23 are removed from the receiving table 24 (see fig. 2). After the inspection is finished, the first heat-insulating cover 22 and the second heat-insulating cover 23 are lapped on the bearing table 24, the first heat-insulating cover 22 and the second heat-insulating cover 23 are rotated to enable the first connecting block 221 and the second connecting block 231 to be abutted, the bolt penetrates through the first connecting block 221 and the second connecting block 231 to be fixed, and at the moment, the heating wire 21 is arranged inside the first heat-insulating cover 22 and the second heat-insulating cover 23.
As shown in fig. 6 and 7, a protective net 25 is fixedly connected to an inner wall of the upper side of the third air inlet duct 2, an upper surface of the protective net 25 and an upper surface of the third air inlet duct 2 are in the same plane, and the protective net 25 can reduce the possibility that the articles inside the hood 1 fall into the third air inlet duct 2 (see fig. 8).
As shown in fig. 8, a circular baffle 13 is hinged to the inner wall of the bottom of the fume hood 1 near the protective screen 25, and the baffle 13 can only rotate in the horizontal plane. The baffle 13 is rotated to cover the upper side of the protective net 25, the more the baffle 13 covers the upper side of the protective net 25, the smaller the air volume entering the inside of the fume hood 1 through the third air inlet pipe 2 is, the smaller the part of the baffle 13 covers the upper side of the protective net 25 is, and the larger the air volume entering the fume hood 1 through the third air inlet pipe 2 is. The baffle 13 is rotated to control the amount of the baffle 13 blocking the upper side of the protective net 25, and the proper air volume entering the fume hood 1 is adjusted.
As shown in fig. 9 and 10, the filter device includes a filter pipe 7, the filter pipe 7 is connected to the second air inlet pipe 3 by a first flange 71, and the first flange 71 is fixed by bolts. The filter pipe 7 is connected with the first air inlet pipe 4 through a second flange 72, and the second flange 72 is fixed through bolts. The end face of the first flange 71 on the filter pipe 7 is inwards provided with a groove 711 with the diameter larger than that of the inner wall of the filter pipe 7, a filter box 712 with holes on the two side surfaces is inserted in the groove 711, and the filter box 712 is filled with active carbon. The end face of the filter box 712 is in the same plane as the end face of the first flange 71 on the filter tube 7, and when the first flange 71 on the second air inlet tube 3 and the first flange 71 on the filter tube 7 are connected together, the filter box 712 is inserted into the groove 711.
The first exhaust fan 41 (refer to fig. 2) pumps external air into the first air inlet pipe 4, air in the first air inlet pipe 4 enters the filter pipe 7, air in the filter pipe 7 enters the second air inlet pipe 3 through the filter box 712, and activated carbon in the filter box 712 adsorbs impurities in the air passing through the filter box 712, so that the air entering the fume hood 1 is as clean as possible.
As shown in fig. 9 and 10, when the filter cartridge 712 needs to be replaced after a certain period of use, the bolts of the first and second flanges 71 and 72 are removed, the filter duct 7 is separated from the first and second air inlet ducts 4 and 3, the filter cartridge 712 is removed from the recess 711, a new filter cartridge 712 with activated carbon is inserted into the recess 711, and the filter duct 7 is connected to the first and second air inlet ducts 4 and 3, respectively.
A seal 713 (see fig. 11) is provided between the first flanges 71, and the seal 713 increases the sealing property at the time of connection between the first flanges 71.
The implementation principle of the embodiment is as follows: the first exhaust fan 41 pumps external air from the air inlet 42 into the first air inlet pipe 4, the air in the first air inlet pipe 4 enters the filter pipe 7, the air in the filter pipe 7 enters the second air inlet pipe 3 through the filter box 712, and the air in the second air inlet pipe 3 enters the third air inlet pipe 2. The air in the third air inlet pipe 2 is heated by the electric heating wire 21 and then enters the fume hood 1, and the baffle 13 is rotated to adjust the air inlet amount entering the fume hood 1. The first heat-preserving cover 22 and the second heat-preserving cover 23 are sleeved outside the heating wire 21 and are lapped on the receiving platform 24, and the first heat-preserving cover 22 and the second heat-preserving cover 23 reduce the heat loss of the heating wire 21 when the third air inlet pipe 2 is heated as much as possible. The heating intensity of the electric heating wire 21 to the third air inlet pipe 2 is adjusted by changing the current passing through the electric heating wire 21, and the temperature of the air passing through the third air inlet pipe 2 is further changed.
The second exhaust fan 61 feeds the air in the fume hood 1 into the first exhaust duct 5, and the air in the first exhaust duct 5 enters the second exhaust duct 6 and is exhausted from the exhaust outlet 62.
When the filter box 712 needs to be replaced after a period of use, the bolts on the first flange 71 and the second flange 72 are removed, the filter tube 7 is separated from the first air inlet tube 4 and the second air inlet tube 3, the filter box 712 is taken out from the groove 711, a new filter box 712 with activated carbon is inserted into the groove 711, and then the filter tube 7 is connected to the first air inlet tube 4 and the second air inlet tube 3 respectively.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (9)
1. The utility model provides a laboratory new trend device with temperature control device, includes fume chamber (1), fume chamber (1) lower fixed surface is connected with third inlet duct (2) that communicate with fume chamber (1), its characterized in that: and a temperature control device is arranged on the outer wall of the third air inlet pipe (2).
2. The laboratory fresh air device with the temperature control device according to claim 1, wherein: temperature control device includes heating wire (21) that fixed connection has on third air inlet pipe (2) outer wall, and temperature control device is still including the cover at the outside heat preservation device of heating wire (21), the one end fixedly connected with second air-supply line (3) of fume chamber (1) are kept away from in third air inlet pipe (2), second air-supply line (3) are connected with first air-supply line (4) through filter equipment, first air-supply line (4) are connected with first air exhauster (41).
3. The laboratory fresh air device with the temperature control device according to claim 2, characterized in that: the heat preservation device includes along third air inlet pipe (2) outer wall fixed connection's supporting bench (24), the bottommost end of heating wire (21) passes supporting bench (24) and sets up, the overlap joint has first heat preservation cover (22) of semicircular and second heat preservation cover (23) on supporting bench (24), it is fixed through fixing device that first heat preservation cover (22) and second heat preservation cover (23) one side are articulated and keep away from one side of articulated department, the inside of first heat preservation cover (22) and second heat preservation cover (23) is arranged in to heating wire (21).
4. The laboratory fresh air device with the temperature control device according to claim 3, wherein: and the inner walls of the first heat-preservation cover (22) and the second heat-preservation cover (23) are respectively and fixedly connected with a heat-preservation plate (222).
5. The laboratory fresh air device with the temperature control device according to claim 3, wherein: the fixing device comprises a first connecting block (221) and a second connecting block (231) which are fixedly connected with one sides of the first heat-preservation cover (22) and the second heat-preservation cover (23) far away from the hinged position respectively, and the first connecting block (221) and the second connecting block (231) penetrate through bolts to be fixed.
6. The laboratory fresh air device with the temperature control device according to claim 2, characterized in that: and a protective net (25) is fixedly connected to the inner wall of the upper side of the third air inlet pipe (2).
7. The laboratory fresh air device with the temperature control device according to claim 6, wherein: the inner wall of the bottom of the fume hood (1) is hinged with a baffle (13) covering the upper side of the protective net (25).
8. The laboratory fresh air device with the temperature control device according to claim 5, wherein: the filtering device comprises a filtering pipe (7), the filtering pipe (7) is connected with a second air inlet pipe (3) through a first flange (71), the filtering pipe (7) is connected with a first air inlet pipe (4) through a second flange (72), a groove (711) is inwards arranged on the end face of the first flange (71) on the filtering pipe (7), a filtering box (712) with holes is inserted in the groove (711), and activated carbon is arranged in the filtering box (712).
9. The laboratory fresh air device with the temperature control device according to claim 8, wherein: and a sealing ring (713) is arranged between the first flanges (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922056400.5U CN211503132U (en) | 2019-11-25 | 2019-11-25 | Laboratory fresh air device with temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922056400.5U CN211503132U (en) | 2019-11-25 | 2019-11-25 | Laboratory fresh air device with temperature control device |
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| CN211503132U true CN211503132U (en) | 2020-09-15 |
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| CN201922056400.5U Active CN211503132U (en) | 2019-11-25 | 2019-11-25 | Laboratory fresh air device with temperature control device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112050343A (en) * | 2020-09-21 | 2020-12-08 | 孙允超 | Equipment for rapidly balancing indoor temperature |
| CN112643820A (en) * | 2020-09-28 | 2021-04-13 | 湖南潇龙机械设备制造有限责任公司 | Hot air device for door plate edge bonding machine |
-
2019
- 2019-11-25 CN CN201922056400.5U patent/CN211503132U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112050343A (en) * | 2020-09-21 | 2020-12-08 | 孙允超 | Equipment for rapidly balancing indoor temperature |
| CN112643820A (en) * | 2020-09-28 | 2021-04-13 | 湖南潇龙机械设备制造有限责任公司 | Hot air device for door plate edge bonding machine |
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