CN219264438U

CN219264438U - PTC electric heater and PTC electric heating device for window type air conditioner

Info

Publication number: CN219264438U
Application number: CN202223580780.0U
Authority: CN
Inventors: 贾小晶
Original assignee: Suzhou Xinye Electronic Ltd
Current assignee: Suzhou Xinye Electronic Ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-06-27
Anticipated expiration: 2032-12-31

Abstract

The utility model discloses a PTC electric heater and a PTC electric heating device for a window type air conditioner, wherein the PTC electric heater comprises a PTC heating sheet, two aluminum strip radiators respectively connected to the upper surface and the lower surface of the PTC heating sheet, each aluminum strip radiator comprises two aluminum plates and a corrugated sheet arranged between the two aluminum plates, and long edges of at least two sides of the aluminum plates contacted with the PTC cooling sheet are folded towards the direction of the corrugated sheet. Therefore, condensed water generated on the aluminum strip radiator cannot flow onto the PTC heating sheet due to the existence of the folded edge, so that potential safety hazards in the prior art are avoided.

Description

PTC electric heater and PTC electric heating device for window type air conditioner

Technical Field

The utility model belongs to the related technical field of PTC air conditioner electric heater industry, and particularly relates to a PTC electric heater and a PTC electric heating device for a window type air conditioner.

Background

The PTC electric heater has the characteristics of small volume and high power, so that when the PTC electric heater is applied to a window air conditioner, the original structure is kept unchanged on the basis of the original single-cooling window air conditioner, and a PTC electric heating device (positioned at the beginning end of an air duct) is only added on an iron plate on the back of the single-cooling evaporator. When heating, the preheated air is taken out from the grille under the action of the centrifugal fan, so that when the PTC electric heating device is used as a heat source, the compressor does not work, and the circulation (inner circulation) of indoor air is formed.

When the outdoor temperature is lower than 0 ℃ in winter, the heat pump type evaporator cannot absorb enough heat from the outside air to evaporate and gasify the refrigerant in the system to enter the compressor, so that wet stroke of the compressor is easy to cause, namely liquid impact is generated to damage the compressor, and PTC electric heating sources are adopted in the heating mode of the cold and warm type air conditioner in a relatively cold area so as to ensure safe and reliable operation of the cold and warm type air conditioner.

The traditional PTC electric heater comprises a PTC heating sheet, two aluminum strip radiators which are respectively connected to the upper surface and the lower surface of the PTC heating sheet, wherein each aluminum strip radiator comprises two aluminum plates and corrugated sheets arranged between the two aluminum plates, and the aluminum plates are adhered with the PTC heating sheets by glue. Under the condition that the heating sheet heats for a long time, and the glue ages, cracking phenomenon can occur, and under the condition that the glue cracks, condensed water stored in the aluminum strips can flow onto the heating sheet, and the charged two poles exist. When the heater is powered on, a sparking phenomenon may occur.

Disclosure of Invention

The present utility model is directed to a PTC electric heating device, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a PTC electric heater for window model air conditioner, PTC electric heater includes the PTC piece that generates heat, connects respectively in two aluminium strip radiators on PTC piece upper and lower two sides that generate heat, aluminium strip radiator includes two aluminum plates and sets up the ripple piece between two aluminum plates, the long border of at least both sides of aluminum plate that contacts with the PTC fin is to ripple piece direction hem.

Therefore, condensed water generated on the aluminum strip radiator cannot flow onto the PTC heating sheet due to the existence of the folded edge, so that potential safety hazards in the prior art are avoided.

Further, long edges and short edges on two sides of the aluminum plate contacted with the PTC radiating fins are folded towards the corrugated sheet direction, and water leakage holes or water leakage gaps are reserved on the end sides.

The utility model also provides a PTC electric heating device, which comprises a box body, wherein a motion assembly for transmitting power is arranged in the box body, a supporting plate is fixedly connected in the box body, the PTC electric heater is fixedly connected with the supporting plate, a lower limiting plate is fixedly connected in the box body, a sliding rod is fixedly connected above the lower limiting plate, and a first piston cylinder is fixedly connected with the box body.

Preferably, the motion assembly comprises a motor, a transmission shaft is fixedly connected to the output end of the motor, a first rotating wheel is fixedly connected to the surface of the transmission shaft, a belt is movably connected to the surface of the first rotating wheel, a second rotating wheel is movably connected to the belt, the first rotating wheel drives the second rotating wheel to rotate through the belt, and fan blades are arranged above the second rotating wheel.

Preferably, the transmission shaft lower extreme fixedly connected with first carousel, first carousel below swing joint has the articulated ball, articulated ball fixedly connected with movable rod, the movable rod other end is through articulated ball swing joint having the movable plate, movable plate fixedly connected with sliding sleeve, sliding sleeve and slide bar are sliding connection, movable plate, articulated ball are provided with two sets of.

Preferably, the push rod is fixedly connected with the front of the moving plate, the push rod is in sliding connection with the first piston cylinder, the first piston cylinder is fixedly communicated with the water pumping pipe, the water pumping pipe is fixedly connected with the bottom of the PTC electric heater, and one side of the sliding sleeve is fixedly connected with the moving plate.

Preferably, the second piston rod is fixedly connected with the surface of the moving plate, the second piston rod is connected with the second piston cylinder in a sliding manner, the second piston cylinder is fixedly communicated with the air outlet pipe, the surface of the air outlet pipe is fixedly connected with a plurality of groups of air nozzles, and the air nozzles, the air outlet pipe, the second piston cylinder and the second piston rod are symmetrically arranged along the transverse center line of the moving plate.

Preferably, the surface fixedly connected with of motion board wipes the pole, wipe the pole other end fixedly connected with and wipe the piece, wipe a piece below and be provided with the collecting vat, collecting vat and PTC electric heater are sliding connection, slide bar upper end fixedly connected with goes up the limiting plate.

Preferably, the collecting tank can be replaced, the first piston cylinder surface is fixedly connected with a water outlet, the water outlet and the inside of the water pumping pipe are provided with one-way valves, the second piston cylinder and the inside of the air outlet pipe are provided with one-way valves, the air spraying ports are provided with six groups, and the surface of the wiping block is provided with a hairbrush.

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

1. according to the PTC electric heater, the motor in the motion assembly rotates, the motor rotates to drive the transmission shaft to rotate, the transmission shaft rotates to drive the first rotating wheel to rotate, the first rotating wheel drives the second rotating wheel to rotate through the belt, the second rotating wheel rotates to drive the fan blade to conduct heat dissipation work on the top of the PTC electric heater, the transmission shaft rotates to drive the movable rod below the first rotating disc to push the movable plate to move, the movable plate moves to drive the sliding sleeve to slide on the surface of the sliding rod, the movable plate pushes the pushing rod to slide in the first piston cylinder, and water of the PTC electric heater can be pumped to the outside through the water pumping pipe, so that the waterproof effect of the PTC electric heater is improved.

2. According to the utility model, the sliding sleeve is driven to slide on the surface of the sliding rod through the moving plate, the moving plate slides to push the second piston rods on the upper side and the lower side of the moving plate to slide in the second piston cylinder, high-pressure gas can be respectively sprayed to the top and the bottom of the PTC electric heater through the air spraying holes on the surface of the air outlet pipe, the PTC electric heater is cooled again, the wiping block in front of the wiping rod is driven to move through the movement of the moving plate, dust on the surface of the PTC electric heater can be scraped into the collecting groove, the blocking effect of the dust on the PTC electric heater can be effectively prevented, and the service life of the PTC electric heater is prolonged.

Drawings

Fig. 1 is a schematic structural view of a PTC electric heater for a window type air conditioner according to the present utility model;

fig. 2 is a schematic structural view of a PTC electric heating device according to the present utility model;

fig. 3 is a schematic view showing an internal structure of a PTC electric heating device according to the present utility model;

FIG. 4 is a schematic diagram showing the movement assembly of a PTC electric heating device according to the present utility model;

fig. 5 is a cross-sectional view of a PTC electric heating device according to the present utility model.

In the figure: 1. a case; 2. a water outlet; 3. a PTC electric heater; 4. a support plate; 100. a motion assembly; 101. a motor; 102. a first wheel; 103. a transmission shaft; 104. a belt; 105. a second wheel; 106. a fan blade; 107. an upper limit plate; 108. a slide bar; 109. a first turntable; 110. a hinged ball; 111. a movable rod; 112. a sliding sleeve; 113. a moving plate; 114. a lower limit plate; 115. a push rod; 116. a first piston cylinder; 118. a motion plate; 119. a second piston rod; 120. a second piston cylinder; 121. an air outlet pipe; 122. an air jet; 123. a collection tank; 124. a wiping rod; 125. wiping the block; 126. a water pumping pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1, a PTC electric heater 3 for a window type air conditioner, the PTC electric heater 3 comprises a PTC heating sheet 31, two aluminum strip radiators respectively connected to the upper and lower sides of the PTC heating sheet 31, the aluminum strip radiator comprises two aluminum plates and a corrugated sheet 31 disposed between the two aluminum plates, and at least two long edges of the aluminum plates contacting the PTC heating sheet 31 are folded in the direction of the corrugated sheet 34. In the figure, the aluminum plate in contact with the PTC fin 31 is referred to as an inner side aluminum plate, and the other aluminum plate is an outer side aluminum plate, which is denoted by numeral 33.

In the example of fig. 1, both long edges and both short edges of the aluminum plate in contact with the PTC fin 31 are folded 34 in the corrugated sheet direction, and water leakage holes or notches 35 are left at the end sides. Facilitating drainage of condensate from the end.

Referring to fig. 2-5, the present utility model further provides a technical solution: the utility model provides a PTC electric heater unit, includes box 1, and the inside of box 1 is provided with the motion subassembly 100 that is used for transmitting power, and box 1 inside fixedly connected with backup pad 4, backup pad 4 fixedly connected with above-mentioned PTC electric heater 3, box 1's inside fixedly connected with limiting plate 114 down, limiting plate 114 top fixedly connected with slide bar 108 down, box 1 fixedly connected with first piston cylinder 116.

In order to facilitate the operation of the device, the motion assembly 100 comprises a motor 101, the output end of the motor 101 is fixedly connected with a transmission shaft 103, the surface of the transmission shaft 103 is fixedly connected with a first rotating wheel 102, the surface of the first rotating wheel 102 is movably connected with a belt 104, the belt 104 is movably connected with a second rotating wheel 105, the first rotating wheel 102 drives the second rotating wheel 105 to rotate through the belt 104, and fan blades 106 are arranged above the second rotating wheel 105.

In order to improve the operation efficiency, the lower end of the transmission shaft 103 is fixedly connected with a first turntable 109, a hinge ball 110 is movably connected below the first turntable 109, a movable rod 111 is fixedly connected with the hinge ball 110, the other end of the movable rod 111 is movably connected with a movable plate 113 through the hinge ball 110, the movable plate 113 is fixedly connected with a sliding sleeve 112, the sliding sleeve 112 is in sliding connection with the sliding rod 108, and two groups of movable plates 113 and hinge balls 110 are arranged.

In order to facilitate the drainage of the PTC electric heater 3, a pushing rod 115 is fixedly connected to the front of the moving plate 113, the pushing rod 115 is in sliding connection with a first piston cylinder 116, the first piston cylinder 116 is fixedly communicated with a water pumping pipe 126, the water pumping pipe 126 is fixedly connected with the bottom of the PTC electric heater 3, and a moving plate 118 is fixedly connected to one side of the sliding sleeve 112.

In order to reduce the temperature of the PTC electric heater 3, a second piston rod 119 is fixedly connected to the surface of the moving plate 118, a second piston cylinder 120 is slidably connected to the second piston rod 119, an air outlet pipe 121 is fixedly communicated with the second piston cylinder 120, a plurality of groups of air nozzles 122 are fixedly connected to the surface of the air outlet pipe 121, and the air nozzles 122, the air outlet pipe 121, the second piston cylinder 120 and the second piston rod 119 are symmetrically arranged along the transverse center line of the moving plate 118.

Further, a wiping rod 124 is fixedly connected to the surface of the moving plate 118, a wiping block 125 is fixedly connected to the other end of the wiping rod 124, a collecting groove 123 is arranged below the wiping block 125, the collecting groove 123 is in sliding connection with the PTC electric heater 3, and an upper limit plate 107 is fixedly connected to the upper end of the sliding rod 108.

In order to improve the service life of the PTC electric heater 3, the collecting tank 123 may be replaced, the surface of the first piston cylinder 116 is fixedly connected with the water outlet 2, the water outlet 2 and the water pumping pipe 126 are internally provided with check valves, the second piston cylinder 120 and the air outlet pipe 121 are internally provided with check valves, the air spraying port 122 is provided with six groups, and the surface of the wiping block 125 is provided with brushes.

The working principle and the using flow of the utility model are as follows: after the PTC electric heater is installed, the motor 101 is started while the PTC electric heater 3 is started, the motor 101 rotates to drive the transmission shaft 103 to rotate, the transmission shaft 103 rotates to drive the first rotating wheel 102 to rotate, the first rotating wheel 102 drives the second rotating wheel 105 to rotate through the belt 104, the second rotating wheel 105 rotates to drive the fan blades 106 to rotate, and heat dissipation treatment can be carried out on the upper portion of the PTC electric heater 3;

further, the first rotating disc 109 is driven to rotate through the rotation of the transmission shaft 103, the first rotating disc 109 rotates to drive the movable rod 111 in the middle of the hinge ball 110 to push the movable plate 113 to move, the movable plate 113 moves to drive the sliding sleeve 112 to slide on the surface of the sliding rod 108, the movable plate 113 can drive the pushing rod 115 to slide in the first piston cylinder 116, accumulated water in the PTC electric heater 3 can be pumped to the outside through the water pumping pipe 126, and waterproof protection is carried out on the PTC electric heater 3;

further, the sliding sleeve 112 is driven to slide on the surface of the sliding rod 108 through the moving plate 113, the moving plate 118 can be driven to move up and down, the moving plate 118 moves up and down to push the second piston rod 119 to slide in the second piston cylinder 120, high-pressure gas can be respectively sprayed to the top and the bottom of the PTC electric heater 3 through the air spraying hole 122 on the surface of the air outlet pipe 121, the PTC electric heater 3 is cooled again, the wiping rod 124 is driven to move through the moving plate 118, the wiping rod 124 drives the wiping block 125 to wipe the surface of the PTC electric heater 3, the blocking effect of dust on the PTC electric heater 3 can be effectively reduced, and the utilization rate of the PTC electric heater 3 is improved.

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

Claims

1. The PTC electric heater for the window type air conditioner is characterized by comprising PTC heating sheets, two aluminum strip radiators which are respectively connected to the upper surface and the lower surface of the PTC heating sheets, wherein each aluminum strip radiator comprises two aluminum plates and corrugated sheets arranged between the two aluminum plates, and at least two long edges of the aluminum plates which are contacted with the PTC cooling sheets are folded towards the direction of the corrugated sheets.

2. The PTC electric heater for window type air conditioner of claim 1, wherein both long edges and both short edges of the aluminum plate contacting the PTC fin are folded in a direction of the corrugated sheet, and a water leakage hole or a water leakage gap is left at the end side.

3. The PTC electric heating device comprises a box body (1), and is characterized in that: the inside of box (1) is provided with motion subassembly (100) that are used for transmitting power, box (1) inside fixedly connected with backup pad (4), backup pad (4) fixedly connected with claim 1 or 2 PTC electric heater (3), the inside fixedly connected with of box (1) is spacing board (114) down, spacing board (114) top fixedly connected with slide bar (108) down, box (1) fixedly connected with first piston cylinder (116).

4. A PTC electric heating device according to claim 3, wherein: the motion assembly (100) comprises a motor (101), a transmission shaft (103) is fixedly connected to the output end of the motor (101), a first rotating wheel (102) is fixedly connected to the surface of the transmission shaft (103), a belt (104) is movably connected to the surface of the first rotating wheel (102), a second rotating wheel (105) is movably connected to the belt (104), the first rotating wheel (102) drives the second rotating wheel (105) to rotate through the belt (104), and fan blades (106) are arranged above the second rotating wheel (105).

5. A PTC electric heating device according to claim 4, wherein: the novel rotary table is characterized in that the lower end of the transmission shaft (103) is fixedly connected with a first rotary table (109), the lower side of the first rotary table (109) is movably connected with a hinge ball (110), the hinge ball (110) is fixedly connected with a movable rod (111), the other end of the movable rod (111) is movably connected with a movable plate (113) through the hinge ball (110), the movable plate (113) is fixedly connected with a sliding sleeve (112), the sliding sleeve (112) is in sliding connection with a sliding rod (108), and the movable plate (113) and the hinge ball (110) are provided with two groups.

6. A PTC electric heating device according to claim 5, wherein: the movable plate (113) is fixedly connected with a push rod (115) in front, the push rod (115) is in sliding connection with a first piston cylinder (116), the first piston cylinder (116) is fixedly communicated with a water pumping pipe (126), the water pumping pipe (126) is fixedly connected with the bottom of the PTC electric heater (3), and one side of the sliding sleeve (112) is fixedly connected with a movable plate (118).

7. A PTC electric heating device according to claim 6, wherein: the movable plate (118) surface fixedly connected with second piston rod (119), second piston rod (119) sliding connection has second piston cylinder (120), second piston cylinder (120) fixedly connected with outlet duct (121), outlet duct (121) surface fixedly connected with a plurality of groups of air jet (122), outlet duct (121), second piston cylinder (120), second piston rod (119) are the symmetry setting along the transverse center line of movable plate (118).

8. A PTC electric heating device according to claim 7, wherein: the surface fixing of motion board (118) is connected with and wipes pole (124), wipe pole (124) other end fixedly connected with and wipe piece (125), wipe piece (125) below and be provided with collecting vat (123), collecting vat (123) are sliding connection with PTC electric heater (3), slide bar (108) upper end fixedly connected with limiting plate (107).

9. A PTC electric heating device according to claim 8, wherein: the collecting tank (123) can be replaced, a water outlet (2) is fixedly connected to the surface of the first piston cylinder (116), a one-way valve is arranged inside the water outlet (2) and the water suction pipe (126), one-way valves are arranged inside the second piston cylinder (120) and the air outlet pipe (121), six groups of air nozzles (122) are arranged, and a hairbrush is arranged on the surface of the wiping block (125).