CN209857174U - An energy-saving electric heating device - Google Patents

Abstract

The utility model relates to the technical field of heating accessories, in particular to an energy-saving electric heating device which saves electric energy, can meet the social requirements of energy conservation and environmental protection, reduces the heating cost and improves the practicability; including electric heating box, the radiator, delivery pipe and wet return, electric heating box's inside is provided with places the chamber to being provided with first electric heating pipe placing the intracavity, second electric heating pipe, communicating pipe and heating circuit board, still include solar collector, the heat exchanger, first circulating pump, the three-way pipe, check valve and second circulating pump, solar collector's input is provided with the cold water pipe, solar collector's output is provided with the hot-water line, be provided with first inlet tube on the heat exchanger, first outlet pipe, second inlet tube and second outlet pipe.

Description

An energy-saving electric heating device

technical field

The utility model relates to the technical field of heating accessory devices, in particular to an energy-saving electric heating device.

Background technique

As we all know, an electric heating device is an auxiliary device that converts electric energy into heat energy of a medium and passes the heating medium into a radiator for heating. It has been widely used in the field of heating; existing electric heating devices include electric heating box, radiator, water supply pipe and water return pipe, the interior of the electric heating box is provided with a placement cavity, and the first electric heating tube, the second electric heating tube, the connecting tube and the heating circuit board are arranged in the placement cavity, and the first electric heating Both the heating tube and the second electric heating tube are electrically connected to the electric heating circuit board, the tops of the first electric heating tube and the second electric heating tube are respectively communicated with the two ends of the communicating tube, and one end of the water supply tube is connected to the bottom of the electric heating box. Extend into the placement cavity and communicate with the bottom end of the first electric heating pipe, the other end of the water supply pipe communicates with the input end of the radiator, one end of the return pipe communicates with the output end of the radiator, and the other end of the return pipe is self-electrically heated The bottom end of the tank extends into the placement cavity and communicates with the bottom end of the second electric heating pipe, and a circulation pump is arranged on the return water pipe; when the existing electric heating device is used, the water in the radiator is driven by the circulation pump Circulating flow, the cold water is heated in the first electric heating tube and the second point heating tube, and the heated water is passed into the radiator under the action of water pressure to dissipate the heat in the water to the room; the existing electric During the use of the heating device, it is found that its power consumption is relatively large, which cannot meet the social needs of energy saving and environmental protection, and the heating cost is relatively high, resulting in low practicality.

Utility model content

In order to solve the above technical problems, the utility model provides an energy-saving electric heating device that saves electric energy, can meet the social needs of energy conservation and environmental protection, reduces heating costs, and improves practicability.

An energy-saving electric heating device of the present utility model comprises an electric heating box, a radiator, a water supply pipe and a water return pipe. The inside of the electric heating box is provided with a placement cavity, and a first electric heating tube, a second electric heating tube are arranged in the placement cavity. Two electric heating tubes, a connecting tube and a heating circuit board, the first electric heating tube and the second electric heating tube are electrically connected to the electric heating circuit board, and the tops of the first electric heating tube and the second electric heating tube are respectively connected to the The two ends are connected; it also includes a solar heat collector, a heat exchanger, a first circulating pump and a three-way pipe, the input end of the solar heat collector is provided with a cold water pipe, and the output end of the solar heat collector is provided with a hot water pipe , the heat exchanger is provided with a first water inlet pipe, a first water outlet pipe, a second water inlet pipe and a second water outlet pipe, the input end of the first circulating pump communicates with the first water outlet pipe, and the first circulating pump The output end is communicated with one end of the three-way pipe, and the other two ends of the three-way pipe are respectively communicated with the cold water pipe and the external water source, and a check valve is arranged at the end of the three-way pipe connected with the external water source, and the hot water pipe The output end is communicated with the first water inlet pipe, the second water inlet pipe is communicated with the output end of the radiator, the second water outlet pipe is communicated with the input end of the return pipe, and the output end of the return pipe is connected from the bottom of the electric heating box One end of the water supply pipe extends into the placement cavity from the bottom of the electric heating box and communicates with the bottom end of the second electric heating tube. The other end of the water supply pipe communicates with the input end of the radiator, and a second circulating pump is arranged on the water supply pipe.

An energy-saving electric heating device of the utility model, the heat exchanger is a tube-and-tube heat exchanger, the heat exchanger includes a shell and multiple sets of heat-exchange tubes, and a heat-exchange cavity is arranged inside the shell , the top and bottom ends of the housing are respectively provided with an upper head and a lower head, the bottom ends of the multiple sets of heat exchange tubes extend from the heat exchange chamber to the lower head, and the multiple sets of heat exchange tubes The top end extends into the upper head from the heat exchange chamber, the first water inlet pipe and the first water outlet pipe extend into the heat exchange chamber from the top and bottom of the left end of the casing respectively, and the second water inlet pipe and the lower seal The bottom end of the head is communicated, and the second outlet pipe is communicated with the upper head.

In the energy-saving electric heating device of the present utility model, multiple sets of left deflectors and multiple sets of right deflectors are horizontally arranged in the heat exchange cavity, and the left ends of the multiple sets of left deflectors are connected with the heat exchange cavity. The left side wall of the multiple sets of left baffles are connected to each other, and there are spaces between the right ends of the multiple sets of left baffles and the right side wall of the heat exchange chamber, and the right ends of the multiple sets of right baffles are all connected to the right side wall of the heat exchange chamber. Spaces are left between the left ends of the multiple sets of right guide fins and the left side wall of the heat exchange cavity, and multiple sets of left guide vanes and multiple sets of right guide fins are alternately arranged.

An energy-saving electric heating device of the utility model, the output end of the hot water pipe is provided with a faucet.

An energy-saving electric heating device of the utility model, the front end of the electric heating box is provided with a take-out opening, and a box cover is arranged at the take-out opening.

An energy-saving electric heating device of the utility model further includes a water supply pipe, the bottom of which is connected to the return pipe, and a water tank is connected to the top of the water supply pipe.

In the energy-saving electric heating device of the utility model, the connecting pipe is a "U"-shaped pipe, and an air outlet pipe is arranged on the top of the left end of the connecting pipe, and the air outlet pipe communicates with the water tank.

Compared with the prior art, the utility model has the beneficial effects that: municipal water enters the solar heat collector through the cold water pipe, collects solar radiation through the solar heat collector and converts it into heat energy, uses water as the heat storage medium, and the heated water passes through The hot water pipe and the first water inlet pipe enter the heat exchanger and then lead out through the first water outlet pipe. The water exported from the first water outlet pipe is pumped back to the solar collector through the cold water pipe through the first circulation pump, and the heat dissipation is driven by the second circulation pump. The water in the radiator circulates, the water from the radiator enters the heat exchanger through the second water inlet pipe and is preheated by the hot water from the solar collector in the heat exchanger, and then enters through the second water outlet pipe and return pipe The electric heating box is heated by the first electric heating tube and the second electric heating tube, and enters the radiator through the water supply pipe under the action of the second circulating pump, and returns to the radiator through the hot water from the solar collector Water is preheated to save electricity, which can meet the social needs of energy conservation and environmental protection, reduce heating costs, and improve practicability. Can.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is a schematic diagram of a partially enlarged structure at A in Fig. 1 of the utility model;

Fig. 3 is a partial enlarged structural schematic diagram of the heat exchanger of the present invention;

Marks in the drawings: 1. Electric heating box; 2. Radiator; 3. Water supply pipe; 4. Return water pipe; 5. First electric heating pipe; 6. Second electric heating pipe; 7. Connecting pipe; 8. Heating Circuit board; 9. Solar heat collector; 10. Heat exchanger; 11. The first circulation pump; 12. Tee pipe; 13. Cold water pipe; 14. Hot water pipe; 15. The first water inlet pipe; 16. The first 1. Water outlet pipe; 17. Second water inlet pipe; 18. Second water outlet pipe; 19. Check valve; 20. Second circulation pump; 21. Shell; 22. Heat exchange tubes; 23. Upper head; 24 , the lower head; 25, the left deflector; 26, the right deflector; 27, the faucet; 28, the water supply pipe; 29, the water tank; 30, the outlet pipe.

Detailed ways

Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is described in further detail. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

As shown in Figures 1 to 3, an energy-saving electric heating device of the present utility model includes an electric heating box 1, a radiator 2, a water supply pipe 3 and a water return pipe 4, and the inside of the electric heating box 1 is provided with a placement cavity, And be provided with the first electric heating tube 5, the second electric heating tube 6, the connecting tube 7 and the heating circuit board 8 in the placement cavity, the first electric heating tube 5 and the second electric heating tube 6 are all connected with the electric heating circuit board 8 Electrically connected, the tops of the first electric heating tube 5 and the second electric heating tube 6 communicate with the two ends of the communication tube 7; also include a solar heat collector 9, a heat exchanger 10, a first circulating pump 11 and a three-way pipe 12. The input end of the solar heat collector 9 is provided with a cold water pipe 13, the output end of the solar heat collector 9 is provided with a hot water pipe 14, and the heat exchanger 10 is provided with a first water inlet pipe 15, a first water outlet pipe 16, The second water inlet pipe 17 and the second water outlet pipe 18, the input end of the first circulation pump 11 is communicated with the first water outlet pipe 16, the output end of the first circulation pump 11 is communicated with an end of the three-way pipe 12, and the end of the three-way pipe 12 The other two ends are communicated with the cold water pipe 13 and the municipal water supply respectively, and a check valve 19 is arranged at the end where the tee pipe 12 is connected to an external water source, and the output end of the hot water pipe 14 is communicated with the first water inlet pipe 15, and the second water inlet pipe 17 communicates with the output end of the radiator 2, the second outlet pipe 18 communicates with the input end of the return pipe 4, and the output end of the return pipe 4 extends into the placement cavity from the bottom of the electric heating box 1 and connects with the first electric heating The bottom end of the pipe 5 communicates, and one end of the water supply pipe 3 extends into the placement cavity from the bottom end of the electric heating box 1 and communicates with the bottom end of the second electric heating pipe 6, and the other end of the water supply pipe 3 connects with the radiator 2. The input end is connected, and the second circulation pump 20 is set on the water supply pipe 3; the municipal water supply enters the solar collector through the cold water pipe, collects solar radiation through the solar collector and converts it into heat energy, and uses water as the heat storage medium to be heated The water enters the heat exchanger through the hot water pipe and the first water inlet pipe, and then is exported through the first outlet pipe. The water exported from the first outlet pipe is pumped back to the solar collector through the cold water pipe through the first circulation pump, and passed through the second circulation. The pump drives the water in the radiator to circulate. The water from the radiator enters the heat exchanger through the second water inlet pipe and is preheated by the hot water from the solar collector in the heat exchanger, and then passes through the second water outlet pipe and The return pipe enters the electric heating box, is heated by the first electric heating pipe and the second electric heating pipe, and enters the radiator through the water supply pipe under the action of the second circulation pump, and passes the hot water of the solar collector to the radiator The exported return water is preheated to save electricity, which can meet the social needs of energy conservation and environmental protection, reduce heating costs, and improve practicality. Just heat it up.

In an energy-saving electric heating device of the present utility model, the heat exchanger 10 is a shell and tube heat exchanger 10, and the heat exchanger 10 includes a shell 21 and a plurality of sets of heat exchange shell tubes 22, and the inside of the shell 21 is provided with a In the thermal chamber, the top and bottom ends of the housing 21 are respectively provided with an upper head 23 and a lower head 24, and the bottom ends of multiple sets of heat exchange tubes 22 extend from the heat exchange chamber to the lower head 24. The top end of the heat exchange tubes 22 extends from the heat exchange chamber into the upper head 23, the first water inlet pipe 15 and the first water outlet pipe 16 respectively extend from the top and bottom of the left end of the housing 21 into the heat exchange chamber, and the second The second water inlet pipe 17 communicates with the bottom of the lower head 24, and the second outlet pipe 18 communicates with the upper head 23; the return water of the radiator enters the lower head through the second water inlet pipe and enters the upper end through multiple sets of heat exchange tubes. The head is then exported to the return pipe through the second water outlet pipe. The water heated in the solar collector enters the heat exchange chamber through the hot water pipe and the first water inlet pipe to heat the circulating water inside the heat exchange tubes, and then passes through the The first water outlet pipe and the cold water pipe flow back into the solar heat collector, and the heat of the hot water in the solar energy is used to preheat the return water in the radiator, thereby realizing the purpose of saving electric energy.

In an energy-saving electric heating device of the present utility model, multiple sets of left guide vanes 25 and multiple sets of right guide vanes 26 are arranged horizontally in the heat exchange chamber, and the left ends of the multiple groups of left guide vanes 25 are all connected to the heat exchange chamber. The left side wall is connected, and there are spaces between the right ends of multiple groups of left guide fins 25 and the right side wall of the heat exchange chamber, and the right ends of multiple groups of right guide fins 26 are connected with the right side wall of the heat exchange chamber. A space is left between the left end of the group of right guide vanes 26 and the left side wall of the heat exchange cavity, and multiple groups of left guide vanes 25 and multiple groups of multiple groups of right guide vanes 26 are interlaced; through multiple groups of left guide vanes And multiple sets of right deflectors guide the water in the heat exchange chamber, so that the hot water circulates and flows in the heat exchange chamber, thereby improving the heat exchange efficiency and heat exchange effect between the hot water and the circulating water in the heat exchange tubes.

An energy-saving electric heating device of the present utility model, the output end of the hot water pipe 14 is provided with a faucet 27; the faucet can be opened to directly use the water in the solar heat collector without hindering the normal use of the solar heat collector , The faucet can also be a shower nozzle.

An energy-saving electric heating device of the utility model, the front end of the electric heating box 1 is provided with a pick-and-place opening, and a box cover is arranged at the pick-and-put opening; by opening the box cover, it is convenient to maintain the inside of the electric heating box.

An energy-saving electric heating device of the present utility model also includes a water supply pipe 28, the bottom of the water supply pipe 28 communicates with the return pipe 4, and a water tank 29 is connected to the top of the water supply pipe 28; The circulating water in the radiator is replenished, and the air bubbles in the radiator can enter the water tank through the replenishment pipe during the circulating flow.

An energy-saving electric heating device of the present utility model, the connecting pipe 7 is a "U"-shaped pipe, and an air outlet pipe 30 is arranged on the top of the left end of the connecting pipe 7, and the air outlet pipe 30 communicates with the water tank 29; The water in the electric heating pipe and the second electric heating pipe is exhausted in reverse, and the gas enters the water tank through the air outlet pipe.

An energy-saving electric heating device of the utility model, when it is working, before completing the above actions, it is first installed to the position required by the user, and the municipal water enters the solar heat collector through the cold water pipe, and is collected by the solar heat collector Solar radiation is converted into heat energy, water is used as the heat storage medium, the heated water enters the heat exchanger through the hot water pipe and the first water inlet pipe, and then is exported through the first water outlet pipe, and the first water outlet pipe is exported through the first circulating pump The water is pumped back to the solar collector through the cold water pipe, and the water in the radiator is driven to circulate through the second circulating pump. The water exported from the radiator enters the heat exchanger through the second water inlet pipe and is absorbed by the solar collector in the heat exchanger. The hot water exported by the heater is preheated, and then enters the electric heating box through the second outlet pipe and the return pipe, is heated by the first electric heating pipe and the second electric heating pipe, and passes through the water supply pipe under the action of the second circulating pump. Entering the radiator, the hot water from the solar collector is used to preheat the return water exported from the radiator to save electricity, which can meet the social needs of energy conservation and environmental protection, reduce heating costs, and improve practicability. , just rely on the water from the solar collector to heat the circulating water in the radiator. The return water of the radiator enters the lower head through the second water inlet pipe and enters the upper head through multiple sets of heat exchange tubes, and then passes through the The second water outlet pipe leads to the return water pipe. The water heated in the solar collector enters the heat exchange chamber through the hot water pipe and the first water inlet pipe to heat the circulating water inside the heat exchange tubes, and then passes through the first water outlet pipe and the first water inlet pipe. The cold water pipe flows back to the solar collector, and the heat of the hot water in the solar energy is used to preheat the return water in the radiator, so as to achieve the purpose of saving electric energy. The flow sheet guides the water in the heat exchange chamber, so that the hot water circulates and flows in the heat exchange chamber, thereby improving the heat exchange efficiency and heat exchange effect between the hot water and the circulating water in the heat exchange tube. You can turn on the faucet and directly The water in the solar collector can be used without hindering the normal use of the solar collector. The faucet can also be used as a shower nozzle. The circulating water in the radiator can be replenished through the replenishment pipe and the sink, and the air bubbles in the radiator The water in the first electric heating pipe and the second electric heating pipe can be reversed and exhausted through the connecting pipe during the circulating flow, and the gas enters the water tank through the air outlet pipe.

The above is only a preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the technical principle of the utility model, some improvements and modifications can also be made. And modification should also be regarded as the protection scope of the present utility model.

Claims (7)

1. An energy-saving electric heating device comprises an electric heating box (1), a radiator (2), a water supply pipe (3) and a water return pipe (4), wherein a placing cavity is formed inside the electric heating box (1), a first electric heating pipe (5), a second electric heating pipe (6), a communication pipe (7) and a heating circuit board (8) are arranged in the placing cavity, the first electric heating pipe (5) and the second electric heating pipe (6) are electrically connected with the electric heating circuit board (8), and the top ends of the first electric heating pipe (5) and the second electric heating pipe (6) are respectively communicated with two ends of the communication pipe (7); the solar energy water heater is characterized by further comprising a solar heat collector (9), a heat exchanger (10), a first circulating pump (11) and a three-way pipe (12), wherein a cold water pipe (13) is arranged at the input end of the solar heat collector (9), a hot water pipe (14) is arranged at the output end of the solar heat collector (9), a first water inlet pipe (15), a first water outlet pipe (16), a second water inlet pipe (17) and a second water outlet pipe (18) are arranged on the heat exchanger (10), the input end of the first circulating pump (11) is communicated with the first water outlet pipe (16), the output end of the first circulating pump (11) is communicated with one end of the three-way pipe (12), the other two ends of the three-way pipe (12) are respectively communicated with the cold water pipe (13) and municipal water supply, a one-way valve (19) is arranged at one end of the three-way pipe (12) connected with an external water source, the, the utility model discloses a water supply device, including first inlet tube (17), second outlet pipe (18) and the input intercommunication of wet return (4), the output of wet return (4) stretches into to placing the intracavity and communicate with the bottom of first electric heating pipe (5) from the bottom of electricity heating cabinet (1), the one end of delivery pipe (3) stretches into to placing the intracavity and communicate with the bottom of second electric heating pipe (6) from the bottom of electricity heating cabinet (1), the other end of delivery pipe (3) and the input intercommunication of radiator (2) to set up second circulating pump (20) on delivery pipe (3).

2. An energy-saving electric heating device as claimed in claim 1, wherein the heat exchanger (10) is a tubular heat exchanger (10), the heat exchanger (10) comprises a shell (21) and a plurality of groups of heat exchange tubes (22), a heat exchange cavity is arranged in the shell (21), an upper seal head (23) and a lower seal head (24) are respectively arranged at the top end and the bottom end of the shell (21), the bottom ends of the multiple groups of heat exchange tubes (22) extend into the lower end enclosure (24) from the heat exchange cavity, the top ends of the multiple groups of heat exchange tubes (22) extend into the upper end enclosure (23) from the heat exchange cavity, the first water inlet pipe (15) and the first water outlet pipe (16) respectively extend into the heat exchange cavity from the top and the bottom of the left end of the shell (21), the second water inlet pipe (17) is communicated with the bottom end of the lower sealing head (24), and the second water outlet pipe (18) is communicated with the upper sealing head (23).

3. The energy-saving electric heating device according to claim 2, wherein a plurality of left flow deflectors (25) and a plurality of right flow deflectors (26) are transversely arranged in the heat exchange cavity, the left ends of the left flow deflectors (25) are connected with the left side wall of the heat exchange cavity, a space is reserved between the right ends of the left flow deflectors (25) and the right side wall of the heat exchange cavity, the right ends of the right flow deflectors (26) are connected with the right side wall of the heat exchange cavity, a space is reserved between the left ends of the right flow deflectors (26) and the left side wall of the heat exchange cavity, and the left flow deflectors (25) and the right flow deflectors (26) are arranged in a staggered manner.

4. An energy saving electric heating device according to claim 3, characterized in that the output of the hot water pipe (14) is provided with a tap (27).

5. The energy-saving electric heating device as claimed in claim 4, wherein the front end of the electric heating box (1) is provided with a pick-and-place opening, and a box cover is arranged at the pick-and-place opening.

6. An energy-saving electric heating device as claimed in claim 5, further comprising a water supply pipe (28), wherein the bottom end of the water supply pipe (28) is communicated with the water return pipe (4), and a water tank (29) is arranged at the top end of the water supply pipe (28).

7. An energy-saving electric heating device as claimed in claim 6, wherein the communicating pipe (7) is a "U" shaped pipe, and an air outlet pipe (30) is arranged at the top of the left end of the communicating pipe (7), and the air outlet pipe (30) is communicated with the water tank (29).