CN209960604U - Novel convection heat transfer device based on jet flow starting - Google Patents
Novel convection heat transfer device based on jet flow starting Download PDFInfo
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- CN209960604U CN209960604U CN201920413832.4U CN201920413832U CN209960604U CN 209960604 U CN209960604 U CN 209960604U CN 201920413832 U CN201920413832 U CN 201920413832U CN 209960604 U CN209960604 U CN 209960604U
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Abstract
The utility model discloses a novel convection heat transfer device based on efflux starts, including cyclic annular air supply arrangement, vortex ring production device and air heating device, outside the vortex ring production device was located to cyclic annular air supply arrangement cover, air heating device's air outlet produced the air intake connection of device with cyclic annular air supply arrangement's air intake and vortex ring respectively. The utility model discloses form a heat circulation system, realize low energy consumption and efficient heating system.
Description
Technical Field
The utility model relates to a heating equipment technical field, concretely relates to novel heat convection device based on efflux starts.
Background
The heating source consumption in northern cities and towns of China accounts for 36 percent of the total energy consumption of buildings in China, is the largest component of the energy consumption of buildings, and the average energy consumption is 2 to 4 times that of developed countries with similar climates. The heating is not stopped when no people live in the room for a medium or long time, the window can be opened when the heating is overheated, and the valve cannot be closed. The waste of heat energy caused by these factors is up to 20% of the total heat energy, worth several billion yuan.
The early-stage cost of central heating in south China is very high, and the huge hot-hope construction cost of scale is high. It is difficult to perform central heating.
The domestic single heating type warmer has the defects of low overall heating efficiency of rooms, non-uniform heating and the like. The air supply type warmer mainly depends on common wind to transmit heat, the required wind speed is high when the heat is transmitted in a long distance, and the user experience is poor. The existing heating type heater has the defects of high power, fire hazard and the like.
Disclosure of Invention
The to-be-solved technical problem of the utility model is, to the above-mentioned defect that prior art exists, provide a novel heat convection device based on efflux start-up, form a thermal cycle system, realize low energy consumption and efficient heating system.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:
the utility model provides a novel convection heat transfer device based on efflux starts, includes cyclic annular air supply arrangement, vortex ring and produces device and air heating device, outside the vortex ring produces the device is located to cyclic annular air supply arrangement cover, air heating device's air outlet respectively with cyclic annular air supply arrangement's air intake and vortex ring produce the air intake connection of device.
According to the technical scheme, the air heating device comprises a fan, carbon fiber heating paper, PTC heating ceramic and an annular heat exchange flow channel, the fan is arranged at an air inlet of the annular heat exchange flow channel, the carbon fiber heating paper and the PTC ceramic heating sheet are sequentially arranged in the annular heat exchange flow channel, and an air outlet of the annular heat exchange flow channel is in butt joint with an air inlet of the annular air supply device.
According to the technical scheme, the novel convection heat transfer device based on jet starting further comprises a control system and a temperature sensor, the control system is respectively connected with the carbon fiber heating paper, the PTC heating ceramic, the temperature sensor and the vortex ring generating device, the control system detects the temperature of outside air through the temperature sensor, namely, the indoor temperature, and the control system controls the operation of the carbon fiber heating paper, the PTC heating ceramic and the vortex ring generating device.
According to the technical scheme, the annular air supply device comprises a spiral air supply slideway and an annular air supply outlet, wherein the upper end of the annular air supply outlet is butted with the lower end of the spiral air supply slideway; the spiral air supply slideway and the annular air supply outlet are sequentially sleeved outside the vortex ring generating device from top to bottom.
According to the above technical scheme, the vortex ring produces the device and includes thrust unit, main air pipe, splint film assembly, the vortex ring nozzle, hot-blast air-supply line and check valve, hot-blast air-supply line is connected with main air pipe's lateral wall, the check valve sets up in hot-blast air-supply line, main air pipe's lower extreme links to each other with the upper end of convergent nozzle, thrust unit sets firmly on main air pipe, splint film assembly sets up in main air pipe, thrust unit and splint film assembly are connected, drive splint film assembly reciprocates in main air pipe.
According to the technical scheme, the vortex ring generating device further comprises a rectifying plate, and the rectifying plate is arranged between the vortex ring nozzle and the main ventilating duct.
According to the technical scheme, the rectifying plate is a honeycomb rectifying plate.
According to the technical scheme, the pushing device comprises a motor and a screw rod, the motor is fixedly arranged at the top of the main ventilating duct, the upper end of the screw rod is connected with the motor, the lower end of the screw rod is connected with the clamping plate film assembly through threads, and the motor drives the screw rod to rotate to drive the clamping plate film assembly to move up and down along the screw rod.
According to the technical scheme, the motor is a stepping motor.
The utility model discloses following beneficial effect has:
after the cold air is heated by the air heating device, one part of hot air is sent to the vortex ring generating device, the other part of air is sent to the annular air supply device, the vortex ring generating device sends out the hot air generated by the air heating device in a vortex ring form, the annular air supply device sends out the residual hot air in a circular common ventilation form at the periphery of the vortex ring, the hot air is started by utilizing jet flow, and the hot air is sent out in a vortex ring form by combining the circular common ventilation, the system has the characteristics of high efficiency and high pertinence, the characteristic of reducing heat dissipation during heating without disturbing the personnel in the room, to the personnel activity area, the air which is originally gathered on the ceiling and has unused higher temperature can be sent to the lower part in the room, so that the air heating system has the advantages of obvious energy conservation and emission reduction and social and economic benefits, has wide market application prospect, forms a heat circulation system, and realizes low energy consumption and high efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a novel convective heat transfer device based on jet starting in the embodiment of the invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view of a vortex ring generator in an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a vortex ring generator according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of an air heating device according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of an annular air supply opening in the embodiment of the present invention;
FIG. 7 is a top view of FIG. 6;
in the figure, 1-stepping motor, 2-hot air inlet pipeline, 3-clamping plate, 4-film, 5-one-way valve, 6-honeycomb rectifying plate, 7-vortex ring nozzle, 8-main ventilating pipeline, 9-spiral slideway, 10-carbon fiber heating paper, 11-PTC heating ceramic, 12-annular air supply outlet, 13-stepping motor bracket and 14-fan.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Referring to fig. 1 to 7, the present invention provides a novel convective heat transfer device based on jet starting in an embodiment, which includes an annular air supply device, a vortex ring generation device, and an air heating device, wherein the annular air supply device is sleeved outside the vortex ring generation device, and an air outlet of the air heating device is connected to an air inlet of the annular air supply device and an air inlet of the vortex ring generation device respectively; the air heating device is arranged at the top of the annular air supply device and the vortex ring generating device; after the cold air is heated by the air heating device, one part of hot air is sent to the vortex ring generating device, the other part of air is sent to the annular air supply device, the vortex ring generating device sends out the hot air generated by the air heating device in a vortex ring mode, and the annular air supply device sends out the residual hot air in a circular annular common ventilation mode at the periphery of the vortex ring.
Further, the air heating device comprises a fan 14, carbon fiber heating paper 10, PTC heating ceramic 11 and an annular heat exchange flow channel, wherein the fan 14 is arranged at an air inlet of the annular heat exchange flow channel, the carbon fiber heating paper and the PTC heating ceramic are sequentially arranged in the annular heat exchange flow channel along the airflow flowing direction, and an air outlet of the annular heat exchange flow channel is butted with an air inlet of the annular air supply device; cold air is pumped in by the fan 14, and the cold air passes through the carbon fiber heating paper 10 and the PTC heating ceramic 11 in sequence for air filtration and heating.
Further, the novel convection heat transfer device based on jet starting still include control system and temperature sensor, control system respectively with carbon fiber heating paper 10, PTC heating pottery 11, temperature sensor and vortex ring produce the device and be connected, control system detects outside air temperature through temperature sensor, indoor temperature promptly, control system control carbon fiber heating paper 10, PTC heating pottery 11 and vortex ring produce the device operation.
Further, the carbon fiber paper heating plate is an X-shaped carbon fiber paper heating plate.
Furthermore, the annular air supply device comprises a spiral air supply slideway and an annular air supply outlet 12, and the upper end of the annular air supply outlet 12 is butted with the lower end of the spiral air supply slideway; the spiral air supply slideway and the annular air supply outlet 12 are sequentially sleeved outside the vortex ring generating device from top to bottom.
Further, the annular air blowing port 12 is an annular air blowing nozzle, and the residual hot air passes through the annular nozzle to generate annular general ventilation.
Further, the vortex ring produces the device and includes thrust unit, main air pipe 8, splint film assembly, vortex ring nozzle 7, hot-blast air-supply line 2 and check valve 5, hot-blast air-supply line 2 is connected with main air pipe 8's lateral wall, check valve 5 sets up in hot-blast air-supply line 2, main air pipe 8's lower extreme links to each other with the upper end of convergent nozzle, thrust unit sets firmly on main air pipe 8, splint film assembly sets up in main air pipe 8, thrust unit and splint film assembly are connected, it reciprocates to drive splint film assembly in main air pipe 8.
Further, the air inlet of the vortex ring generating device is arranged in the spiral air supply slideway, namely, the air inlet of the hot air inlet pipeline 2 is arranged in the spiral air supply slideway.
Further, the splint-film combination includes two splints 3 and a film 8 disposed between the two splints.
Furthermore, the spiral air supply slideway is sleeved outside the main ventilation pipeline 8, and the annular air supply outlet 12 is sleeved outside the vortex ring nozzle 7.
Further, the vortex ring nozzle 7 is a convergent annular nozzle, the splint film assembly is pushed by the motor, the hot air in the main ventilation pipeline 8 is pushed by the splint film assembly, the air is rectified by the rectifying plate, the quality of the air outlet is ensured, and the hot air forms a vortex ring at the position passing through the convergent nozzle.
Further, the vortex ring generating device further comprises a rectifying plate, and the rectifying plate is arranged between the vortex ring nozzle 7 and the main ventilation duct 8.
Further, the fairing is a honeycomb fairing 6.
Further, thrust unit includes motor and lead screw, and the motor sets firmly in main air pipe 8's top, and the upper end and the motor of lead screw are connected, and the lower extreme of lead screw passes through the screw and is connected with splint film assembly, and motor drive lead screw rotates, drives splint film assembly and reciprocates along the lead screw.
Further, the motor is a stepping motor 1.
Further, the stepping motor 1 is fixed to the main ventilation duct 8 by a stepping motor bracket 13.
Furthermore, a fan pumps cold air, the air heating device heats the air by utilizing carbon fiber paper and PTC ceramics, a part of hot air is sent to the vortex ring generating device through the spiral air supply slideway, the hot air is pushed and pulled by the motor to push and pull the splint film assembly to push out the hot air, the hot air is rectified by the rectifying plate to form a curl at the air outlet and is completely curled at a certain distance to form a vortex ring to form jet flow, the other part of hot air enters the annular air supply device through the spiral slideway 9, the vortex ring generating device sends out the hot air generated by the air heating device in a vortex ring form, and the annular air supply device sends out the residual hot air in an annular general ventilation form at the periphery of the vortex ring.
Further, the air inlet device comprises a fan, and the fan is arranged at the front end of the carbon fiber paper heating pipeline.
The utility model discloses a theory of operation:
referring to fig. 1-2 the utility model provides a pair of utilize novel convection heat transfer device of efflux start-up in the embodiment, including air supply arrangement, in the air feeding device, send the air into heating device through air inlet unit.
Further, the cool air is heated to a suitable temperature in the heating device by heat exchange with the carbon fiber heating paper 10 and the PTC heating ceramic 11.
Furthermore, a part of air of the hot air enters a vortex ring generating device through a spiral slideway 9 to form vortex ring jet flow, the vortex ring generating device is a jet flow starting device, a controller provides corresponding voltage to control a driver, the driver correspondingly drives a stepping motor 1, the stepping motor 1 rotates to drive a screw rod to move back and forth, so that a thin film 4 assembly of a clamping plate 3 is driven to push the air back and forth, the air passes through a rectifying plate 6 after being pushed to be rectified into hot air with higher quality, a vortex ring is formed through an outlet 7, and the hot air transfers heat indoors in a vortex ring form.
Further, the residual hot air completely enters the annular air supply outlet 12 through the spiral slideway 9, and is supplied to the periphery of the vortex ring in an annular general ventilation mode through the annular air supply outlet.
The utility model discloses an embodiment the utility model discloses an operating principle:
as shown in fig. 3, the air heating device includes at least the following two operating conditions:
the working condition I is as follows: when the inlet air temperature is higher, stop to give PTC heating pottery 11 power supplies, carbon fiber heating paper 10 works alone, and after the air got into carbon fiber heating paper 10 pipelines, cold air and carbon fiber paper fully contacted the heat transfer, kept warm with gaseous, on the one hand, prevented that indoor air temperature is too high. On the other hand, the energy consumption is reduced.
The working condition II is as follows: when the air temperature is lower, the PTC heating ceramic 11 and the carbon fiber heating paper 10 are simultaneously powered, the PTC heating ceramic 11 and the carbon fiber heating paper work simultaneously, after the carbon fiber paper pipeline preliminarily heats cold air, the PTC heating ceramic 11 and the air fully exchange heat, so that the air is rapidly heated, and the indoor suitable temperature is reached.
After the air enters the device, the air is pumped into the heating channel through the fan, firstly passes through the X-shaped carbon fiber paper heating sheet and then passes through the PTC ceramic heating sheet, finally, a part of air downwards enters the jet flow air supply device through the spiral slideway, and a part of air enters the annular air supply device.
In conclusion, the system is started by the jet flow, the heating air is sent out in the form of the vortex ring, the system has the characteristics of high efficiency and high pertinence, the heat dissipation is reduced under the condition that indoor personnel are not interfered in the heating process, the heat is sent to the personnel activity area, the unused air with higher temperature and originally gathered on the ceiling can be sent to the lower part in the room, the energy conservation and emission reduction and the social and economic benefits are remarkable, and the market application prospect is wide.
The above is only a preferred embodiment of the present invention, and the scope of the right of the present invention should not be limited by this, so that the equivalent changes made in the claims of the present invention still belong to the protection scope of the present invention.
Claims (9)
1. The utility model provides a novel convection heat transfer device based on efflux starts, its characterized in that, produces device and air heating device including cyclic annular air supply arrangement, vortex ring, outside the vortex ring produces the device is located to cyclic annular air supply arrangement cover, air heating device's air outlet respectively with cyclic annular air supply arrangement's air intake and the air intake connection that vortex ring produced the device.
2. The novel convective heat transfer device based on jet flow starting as claimed in claim 1, wherein the air heating device comprises a fan, carbon fiber heating paper, PTC heating ceramic and an annular heat transfer flow channel, the fan is disposed at the air inlet of the annular heat transfer flow channel, the carbon fiber heating paper and the PTC heating ceramic are sequentially disposed in the annular heat transfer flow channel, and the air outlet of the annular heat transfer flow channel is in butt joint with the air inlet of the annular air supply device.
3. The novel convective heat transfer device based on jet start according to claim 2, characterized in that the novel convective heat transfer device based on jet start further comprises a control system and a temperature sensor, the control system is respectively connected with the carbon fiber heating paper, the PTC heating ceramic, the temperature sensor and the vortex ring generating device, the control system detects the outside air temperature through the temperature sensor, and the control system controls the carbon fiber heating paper, the PTC heating ceramic and the vortex ring generating device to operate.
4. The novel convective heat transfer device based on jet flow starting according to claim 1, characterized in that the annular air supply device comprises a spiral air supply slideway and an annular air supply outlet, and the upper end of the annular air supply outlet is butted with the lower end of the spiral air supply slideway; the spiral air supply slideway and the annular air supply outlet are sequentially sleeved outside the vortex ring generating device from top to bottom.
5. The novel convective heat transfer device based on jet starting according to claim 1, wherein the vortex ring generating device comprises a pushing device, a main ventilation duct, a splint film assembly, a vortex ring nozzle, a hot air inlet duct and a one-way valve, the hot air inlet duct is connected with the side wall of the main ventilation duct, the one-way valve is arranged in the hot air inlet duct, the lower end of the main ventilation duct is connected with the upper end of the tapered nozzle, the pushing device is fixedly arranged on the main ventilation duct, the splint film assembly is arranged in the main ventilation duct, the pushing device is connected with the splint film assembly, and the splint film assembly is driven to move up and down in the main ventilation duct.
6. The novel convective heat transfer device based on jet flow startup of claim 5, wherein the vortex ring generation device further comprises a rectifying plate disposed between the vortex ring nozzle and the main ventilation duct.
7. The novel convective heat transfer device based on jet start-up of claim 6 is characterized in that the rectifying plate is a honeycomb rectifying plate.
8. The novel convective heat transfer device based on jet starting according to claim 5, characterized in that the pushing device comprises a motor and a screw rod, the motor is fixedly arranged on the top of the main ventilation duct, the upper end of the screw rod is connected with the motor, the lower end of the screw rod is connected with the clamp plate film assembly through threads, and the motor drives the screw rod to rotate, so as to drive the clamp plate film assembly to move up and down along the screw rod.
9. The novel convective heat transfer device based on jet flow startup of claim 8, wherein the motor is a stepper motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920413832.4U CN209960604U (en) | 2019-03-29 | 2019-03-29 | Novel convection heat transfer device based on jet flow starting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920413832.4U CN209960604U (en) | 2019-03-29 | 2019-03-29 | Novel convection heat transfer device based on jet flow starting |
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| CN209960604U true CN209960604U (en) | 2020-01-17 |
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| CN201920413832.4U Expired - Fee Related CN209960604U (en) | 2019-03-29 | 2019-03-29 | Novel convection heat transfer device based on jet flow starting |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237872A (en) * | 2020-03-10 | 2020-06-05 | 广东美的制冷设备有限公司 | Vortex ring generating device, air conditioner indoor unit and air conditioner |
| CN111237873A (en) * | 2020-03-19 | 2020-06-05 | 广东美的制冷设备有限公司 | Vortex ring generating device, air conditioner indoor unit and air conditioner |
| CN111412203A (en) * | 2020-03-16 | 2020-07-14 | 武汉理工大学 | Hydraulic drive-based section mutation double-cavity vortex ring exciter |
| CN113048542A (en) * | 2021-03-29 | 2021-06-29 | 武汉理工大学 | Air supply heater capable of adjusting wind direction |
-
2019
- 2019-03-29 CN CN201920413832.4U patent/CN209960604U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237872A (en) * | 2020-03-10 | 2020-06-05 | 广东美的制冷设备有限公司 | Vortex ring generating device, air conditioner indoor unit and air conditioner |
| CN111412203A (en) * | 2020-03-16 | 2020-07-14 | 武汉理工大学 | Hydraulic drive-based section mutation double-cavity vortex ring exciter |
| CN111412203B (en) * | 2020-03-16 | 2021-01-19 | 武汉理工大学 | Hydraulic drive-based section mutation double-cavity vortex ring exciter |
| CN111237873A (en) * | 2020-03-19 | 2020-06-05 | 广东美的制冷设备有限公司 | Vortex ring generating device, air conditioner indoor unit and air conditioner |
| CN113048542A (en) * | 2021-03-29 | 2021-06-29 | 武汉理工大学 | Air supply heater capable of adjusting wind direction |
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