Electric power and heat storage type heater

Abstract

The utility model belongs to the technical field of heating devices, and particularly relates to an electricity and heat storage type heater. The system comprises an electric power storage unit, a phase change heat storage unit, a first heat pipe and a heat dissipation heating unit. An evaporation section and a condensation section are formed at the two ends of the first heat pipe respectively, and the two ends of the first heat pipe are in contact connection between the electric power storage unit and the phase change heat storage unit respectively for heat exchange; the heat dissipation heating unit is arranged on the side, away from the electric power storage unit, of the phase change heat storage unit and used for discharging heat in the phase change heat storage unit. The phase change heat storage battery is used for solving the problem that heat cannot be dissipated in time when the storage battery is discharged, the first gravity heat pipe is used for dissipating heat of the electric power storage unit, and the heat is transferred into the phase change heat storage unit, so that the heat generated when the battery is charged and discharged is dissipated in time, and the service life of the battery is guaranteed; the phase change heat storage unit is connected with the heat dissipation and heating unit to achieve battery waste heat recovery and can be used for heating.

Description

Technical Field

[0001] This utility model belongs to the technical field of heating devices, specifically relating to an electric storage and heat storage type heater. Background Technology

[0002] Currently, heating devices on the market can be divided into plug-and-play and energy storage types based on their energy source. Plug-and-play heaters are generally directly connected to household or industrial AC power and have a relatively simple structure. Energy storage heaters typically have a built-in battery that needs to be charged to power the heater. These heaters have a more complex structure, but they do not require pre-installed wiring, making them particularly suitable for outdoor use.

[0003] For battery-powered heaters, there are various energy supply methods, such as solar panels combined with batteries, or other energy sources combined with batteries. For example, Chinese patent application number 2015100356222 discloses a novel portable solar-powered thermal storage hot air heater, which includes a solar photovoltaic panel that is directly exposed to sunlight. The photovoltaic panel is connected to a battery installed inside the casing via wires, storing the generated electrical energy in the battery. The photovoltaic panel is fixed above the hot air chamber, serving as the upper surface of the hot air chamber, which is a space composed of insulation panels. Several small holes are provided on the front panel of the hot air chamber for hot air outlet. The front panel also has a controller, which is connected to the heating fan via a signal line. The controller controls the start and stop of the heating fan. The hot air chamber is fixed on the upper part of the fixed bracket, and the heating fan is fixed on the lower part of the fixed bracket. The battery is installed on the heating fan. The hot air chamber and the heating fan are connected by a solar vacuum collector tube. The battery receives electrical energy from the solar photovoltaic panel and is fully charged. It then supplies power to the heating fan, which delivers hot air through the solar vacuum collector tube. The heat is then sent into the hot air chamber along with the hot air and out through small holes.

[0004] Existing electric heaters rely heavily on the performance and lifespan of their batteries for performance and lifespan. However, existing heaters commonly suffer from the following problem: the heat generated during battery charging and discharging cannot be dissipated in time, reducing battery life. Furthermore, overheating of the battery poses certain safety hazards, limiting the application scenarios for wireless heaters. Utility Model Content

[0005] To address the shortcomings of existing technologies, a storage-type heater is provided to solve the problem of heat not being dissipated in time when the battery is discharging.

[0006] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A storage-type electric heater, comprising:

[0007] Energy storage unit;

[0008] A phase change thermal energy storage unit is disposed on the energy storage unit;

[0009] A plurality of first heat pipes, each having an evaporation section and a condensation section at its two ends, are respectively connected in contact between the energy storage unit and the phase change thermal storage unit for heat exchange between the phase change thermal storage unit and the energy storage unit.

[0010] A heat dissipation and heating unit is disposed on the side of the phase change thermal storage unit away from the energy storage unit. The heat dissipation and heating unit is used to dissipate the heat in the phase change thermal storage unit.

[0011] Compared with existing technologies, the above technical solutions have the following beneficial effects:

[0012] Multiple first heat pipes are installed in the energy storage unit, and the other end of the first heat pipe is connected to the phase change heat storage unit. The heat generated when the energy storage unit is charging and discharging can be transferred to the phase change heat storage unit through the first heat pipe and stored therein, thus removing the heat from the energy storage unit in a timely manner. The heat dissipation and heating unit can also remove the heat from the phase change heat storage unit in a timely manner, thereby playing the role of waste heat utilization.

[0013] Based on the above technical solution, the embodiments of this application can be further improved as follows:

[0014] In one embodiment, the energy storage unit includes a plurality of battery packs spaced apart, and one end of the first heat pipe is attached to the gap between adjacent battery packs.

[0015] In one embodiment, the heat dissipation and heating unit includes:

[0016] A heat dissipation and heating shell is fitted into the phase change heat storage unit at its bottom end, and an opening communicating with the phase change heat storage unit is formed at the bottom of the heat dissipation and heating shell.

[0017] Several second heat pipes, each having an evaporation section and a condensation section at its two ends, are spaced apart within the heat dissipation and heating housing.

[0018] In one embodiment, the top of the heat dissipation and heating housing is provided with an air inlet and an air outlet respectively corresponding to the top of the second heat pipe, and the top of the second heat pipe is provided with heat dissipation fins.

[0019] In one embodiment, a heating element is provided at the bottom end of the second heat pipe, and a fan is provided at the air inlet of the heat dissipation and heating housing. The fan and the heating element are connected to the energy storage unit.

[0020] In one embodiment, the phase change thermal storage unit includes a phase change thermal storage shell, the interior of which is filled with a phase change material, and the heat dissipation and heating shell is slidably disposed vertically within the phase change thermal storage shell to adjust the contact height between the plurality of second heat pipes and the phase change material.

[0021] In one embodiment, a transmission mechanism is further included, which is disposed between the heat dissipation and heating unit and the phase change heat storage unit, for driving the heat dissipation and heating unit and the phase change heat storage unit to slide and seal vertically.

[0022] In one embodiment, the transmission mechanism includes:

[0023] A rack is mounted vertically on the heat dissipation and heating unit;

[0024] The gear meshes with the rack;

[0025] A drive motor is mounted on the phase change heat storage unit. The output end of the drive motor is connected to the gear and is used to drive the gear to rotate, thereby driving the heat dissipation and heating unit to reciprocate along the rack direction.

[0026] In one embodiment, the first heat pipe is hollow inside, filled with nanoparticles, and its inner wall at the bottom is coated with thermally conductive adhesive.

[0027] And / or the inner wall of the first heat pipe is provided with a capillary wick or capillary grooves.

[0028] In one embodiment, the heat dissipation and heating unit further includes a second temperature sensor, which is disposed in the heat dissipation and heating unit and is used to detect the temperature of the outlet air.

[0029] And / or the energy storage unit further includes a first temperature sensor, which is disposed in the energy storage unit for detecting the temperature of the energy storage unit.

[0030] One or more technical solutions provided in the embodiments of this application have at least the following technical effects or advantages:

[0031] 1. This utility model solves the technical problem that the heat of the battery cannot be dissipated in time during the charging and discharging of the battery in existing electric heaters by adding a first heat pipe between the energy storage unit and the phase change heat storage unit.

[0032] 2. Furthermore, the phase change thermal energy storage unit stores waste heat from the battery. The phase change thermal energy storage unit transfers heat to the interior of the heat dissipation and heating unit, so that the waste heat from the battery stored in the phase change thermal energy storage unit can be used for heating.

[0033] 3. This utility model optimizes the connection between the phase change heat storage unit and the second heat pipe. The heat dissipation and heating shell is slidably disposed inside the phase change heat storage shell in a vertical direction, thereby changing the contact height between the second heat pipe and the phase change material. When the heat dissipation and heating shell moves to its highest position, the second heat pipe is located above the phase change material, and the contact height between the two is zero, thus enabling the heater to have multiple working modes. Attached Figure Description

[0034] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0035] Figure 1 This is a three-dimensional schematic diagram of the overall external structure in an embodiment of this utility model.

[0036] Figure 2 This is a cross-sectional structural diagram of one usage state in an embodiment of the present utility model.

[0037] Figure 3 This is a cross-sectional structural diagram of another usage state in an embodiment of the present utility model.

[0038] Figure 4 This is a three-dimensional schematic diagram of the internal partial structure of the heat dissipation and heating unit in an embodiment of this utility model.

[0039] Figure 5 As an embodiment of this utility model Figure 4 A schematic diagram of a local structure.

[0040] Figure 6 This is a partial cross-sectional view of the first heat pipe in an embodiment of the present invention.

[0041] Figure 7 This is a partial three-dimensional structural diagram of another variation of the first heat pipe in an embodiment of this utility model.

[0042] Figure label:

[0043] 1. Energy storage unit; 101. Battery pack; 102. Battery casing; 103. Connector panel; 104. First temperature sensor;

[0044] 2. Phase change thermal energy storage unit; 201. Phase change thermal energy storage shell; 202. Phase change material;

[0045] 3. Heat dissipation and heating unit; 301. Heating element; 302. Second heat pipe; 303. Heat dissipation fins; 304. Fan; 305. Louvers; 306. Heat dissipation and heating housing; 307. Second temperature sensor;

[0046] 4. Gear and rack mechanism; 401. Drive motor; 402. Gear; 403. Rack;

[0047] 5. First heat pipe; 501. Heat pipe outer shell; 502. Capillary wick; 503. Capillary groove.

[0048] 6. Power switch;

[0049] 7. Adjust the knob;

[0050] 8. Power display window. Detailed Implementation

[0051] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and should not be construed as limiting the scope of protection of the present invention.

[0052] It should be noted that, unless otherwise stated, the technical or scientific terms used in this application shall have the ordinary meaning as understood by one of ordinary skill in the art to which this utility model pertains.

[0053] In the description of this application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0054] Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly defined.

[0055] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0056] like Figure 1-3 As shown, the present invention provides an electric storage and heat storage heater, which includes an electric storage unit 1, a phase change heat storage unit 2 and a heat dissipation and heating unit 3 arranged from bottom to top. The heat dissipation and heating unit 3 is used to dissipate the heat in the phase change heat storage unit 2.

[0057] It also includes a plurality of first heat pipes 5, each having an evaporation section and a condensation section at its two ends. The two ends of the first heat pipes 5 are respectively connected in contact between the energy storage unit 1 and the phase change heat storage unit 2, for heat exchange between the phase change heat storage unit 2 and the energy storage unit 1.

[0058] Specifically, the evaporation sections of multiple first heat pipes 5 are in contact with the wall of the battery pack 101 in the energy storage unit, and their condensation sections extend into the interior of the phase change heat storage unit 2. The energy released during the charging and discharging process of the energy storage unit 1 is transferred to the phase change heat storage unit 2 through the first heat pipes 5, and the heat in the energy storage unit 1 is removed in time. The heat is then transferred to the heat dissipation and heating unit 3 through the phase change heat storage unit 2. The heat dissipation and heating unit 3 can also remove the heat in the phase change heat storage unit 2 in time, thus playing the role of waste heat utilization.

[0059] like Figure 6 , 7 As shown, the first heat pipe 5 includes a heat pipe shell 501 and a heat transfer medium filled inside the heat pipe shell 501. The evaporation section is generally set at a lower height than the condensation section. Its working principle is as follows: the heat transfer medium in the first heat pipe 5 is heated and turns into a gaseous state in the evaporation section. The gaseous heat transfer medium carries heat and rises to the condensation section of the first heat pipe 5. The liquid heat transfer medium returns to the evaporation section of the first heat pipe 5 under the action of gravity.

[0060] When the battery pack 101 in the battery storage unit 1 is charged and discharged, heat is generated inside. This heat is transferred through the battery pack wall to the evaporation section of the first heat pipe 5. The heat transfer medium in the first heat pipe 5 is heated and turns into a gaseous state. The gaseous heat transfer medium carries the heat and rises to the condensation section of the first heat pipe 5. The gaseous heat transfer medium liquefies and transfers the heat to the phase change heat storage unit 2, thereby transferring the heat generated by the battery pack 101 to the phase change heat storage unit 2 in a timely manner, and thus realizing the recovery and storage of heat from the battery pack 101.

[0061] It should be noted that when the temperature in the phase change thermal storage unit 2 is high and exceeds the vaporization temperature of the heat transfer medium in the first heat pipe 5, the upper part of the first heat pipe 5 becomes the evaporation section, and the lower part becomes the condensation section. Therefore, the evaporation section of the first heat pipe 5 does not specifically refer to the end that is in contact with the energy storage unit 1, and similarly, the condensation section of the first heat pipe 5 does not specifically refer to the end that is in contact with the phase change thermal storage unit 2. That is, the functions of the evaporation section and the condensation section of the first heat pipe 5 are mainly determined by the temperatures at their two ends.

[0062] In some embodiments, the energy storage unit 1 includes a plurality of battery packs 101 spaced apart, and the bottom ends of a plurality of first heat pipes 5 are respectively disposed between adjacent battery packs 101 as evaporation sections; thereby increasing the contact area between the first heat pipes 5 and adjacent battery packs 101.

[0063] In one embodiment, in order to further improve the heat transfer efficiency of the first heat pipe 5, the first heat pipe is hollow inside and filled with nanoparticles, and its bottom inner wall is coated with thermally conductive adhesive, thereby increasing the ability to absorb waste heat from the battery.

[0064] Furthermore, the first heat pipe 5 can be replaced with different nanoparticles to change the heat transfer performance of the nanoparticle working fluid capillary heat pipe 9. Preferably, the nanoparticles can be composed of deionized water and nanoparticles, wherein the nanoparticles can be CuO, Al2O3, etc.

[0065] Furthermore, the amount of liquid filling inside the first heat pipe 5 can be changed to alter its heat transfer performance.

[0066] To further improve the heat transfer efficiency of the first heat pipe 5, multiple first heat pipes 5 are arranged in a vertical direction to increase the contact area between the first heat pipe 5 and the battery pack 101, and to facilitate increasing the number of first heat pipes 5 arranged.

[0067] Preferably, the inner wall of the heat pipe shell 501 is provided with a capillary wick 502, and the liquid heat transfer medium returns to the evaporation section of the first heat pipe 5 under the action of gravity and capillary force, thereby further improving the phase change heat transfer of the first heat pipe 5.

[0068] As an extension, the inner wall of the heat pipe housing 501 is provided with capillary grooves 503. Specifically, the capillary grooves 503 are etched on the inner wall of the heat pipe housing 501, which increases the heat exchange area and reduces the complexity of the heat pipe. At this time, the capillary force is provided by the capillary grooves.

[0069] In one implementation, such as Figure 4 , 5 As shown, the heat dissipation and heating unit 3 includes: a heat dissipation and heating shell 306 and a plurality of second heat pipes 302.

[0070] The bottom end of the heat dissipation and heating housing 306 is sleeved in the phase change heat storage unit 2. The bottom of the heat dissipation and heating housing 30 has an opening that communicates with the phase change heat storage unit 2. The other end of the heat dissipation and heating unit 3 is used to dissipate heat to the outside of the heater.

[0071] The second heat pipe 302 has an evaporation section and a condensation section at its two ends, and the second heat pipe 302 is spaced apart in the heat dissipation and heating shell.

[0072] In one embodiment, a heating element 301 is provided at the bottom end of the second heat pipe 302, and a fan 304 is provided at the air inlet of the heat dissipation and heating housing. The fan 304 and the heating element 301 are connected to the energy storage unit.

[0073] The bottom end of the second heat pipe 302, serving as an evaporation section, can be located inside the phase change thermal storage unit 2, enabling heat transfer between them. The heating element 301 generates heat when energized, which can then be transferred between the phase change thermal storage unit 2 and the second heat pipe 302. Furthermore, the heating area and heating power of the heating element 301 are adjustable.

[0074] In a preferred embodiment of the second heat pipe 302, all the second heat pipes 302 are arranged in a vertical direction, thereby improving the heat transfer efficiency of the second heat pipes 302 and facilitating an increase in the number of second heat pipes 302 arranged.

[0075] In one embodiment, the top of the heat dissipation and heating housing is provided with an air inlet and an air outlet corresponding to the top of the second heat pipe. The top of the second heat pipe is provided with heat dissipation fins 303, which can increase the heat dissipation area. Different densities of heat dissipation fins 303 can be selected to change the heat transfer performance of the second heat pipe 302.

[0076] The air outlet is preferably a louver 305, which is fitted onto the outside of the condenser section of the second heat pipe 302. The side wall of the heat dissipation and heating housing 306 has through holes corresponding to the louver 305. Preferably, the louver 305 penetrates the side wall of the heat dissipation and heating housing 306. Furthermore, the air outlet angle of the louver 305 is adjustable.

[0077] To increase the airflow inside the heat dissipation and heating housing 306, a fan 304 is added inside the housing. The fan 304 blows air towards the condenser section of the second heat pipe 302. The upper wall of the heat dissipation and heating housing 306 has an air inlet corresponding to the fan 304. The fan 304 is used to blow heat out through the louvers 305. Furthermore, the fan 304 is a speed-regulating fan.

[0078] In one embodiment, the phase change thermal storage unit includes a phase change thermal storage shell, the interior of which is filled with a phase change material, and the heat dissipation and heating shell is slidably disposed vertically within the phase change thermal storage shell to adjust the contact height between the plurality of second heat pipes and the phase change material.

[0079] Different phase change materials 202 can be used to achieve different heat storage effects. Preferably, to meet the requirements of conventional heating temperatures, the phase change material 202 can be selected as a composite fatty acid or graphene phase change material.

[0080] The outer wall of the phase change thermal storage shell 202 is also covered with a thermal insulation layer to achieve better thermal storage effect.

[0081] In one embodiment, a transmission mechanism is further included, which is disposed between the heat dissipation and heating unit and the phase change heat storage unit, for driving the heat dissipation and heating unit and the phase change heat storage unit to slide and seal vertically.

[0082] The transmission mechanism includes a drive motor 401, a gear 402, and a rack 403. The rack 403 is vertically mounted on the heat dissipation and heating unit 3. The gear 402 meshes with the rack 403. The drive motor 401 is mounted on the phase change heat storage unit. The output end of the drive motor 401 is connected to the gear 402 to drive the gear 402 to rotate, thereby causing the heat dissipation and heating unit to reciprocate along the direction of the rack 403. This causes the heat dissipation and heating shell 306 to slide vertically relative to the phase change heat storage shell 201, thereby adjusting the height of the second heat pipe 302 relative to the phase change material 201. The height of the second heat pipe 302 relative to the phase change material 201 has three states: the lower evaporation section of the second heat pipe 302 is completely located, partially located, or not located inside the phase change heat storage material 401.

[0083] Preferably, the heat dissipation and heating housing 306 is a cylindrical or rectangular cavity without a bottom cover, so that the heat dissipation and heating housing 306 can slide vertically relative to the phase change heat storage housing 201, and the second heat pipe 302 of the heat dissipation and heating housing 306 will not interfere with the first heat pipe 5 inside the phase change heat storage housing 201. More preferably, the second heat pipe 302 and the first heat pipe 5 are offset from each other in the top view.

[0084] It should be understood that the shape of the heat dissipation and heating housing 306 is not limited to the above-mentioned shape. It can also be selected as a cylindrical or rectangular cavity with a lower cover. The lower cover is provided with a through hole corresponding to the first heat pipe 5, so as to prevent it from interfering with the first heat pipe 5 during the process of sliding in the vertical direction.

[0085] As a preferred embodiment of the phase change heat storage shell 201, it is a cylindrical cavity or a rectangular cavity with both an upper cover and a lower cover. The upper cover has through holes corresponding to the second heat pipe 302 and the heating element 301, and the lower cover has through holes corresponding to the first heat pipe 5.

[0086] It should be understood that the shape of the phase change thermal storage shell 201 is not limited to the above-mentioned shape, and it can also be selected as a cylindrical cavity or a rectangular cavity without a top cover.

[0087] Preferably, the through hole in the lower cover of the phase change heat storage shell 201 matches the outer diameter of the first heat pipe 5. In order to prevent the phase change material 201 from penetrating into the energy storage unit 1 below through the first heat pipe 5, a silicone sealing ring is provided at the connection between the outside of the first heat pipe 5 and the corresponding through hole of the phase change heat storage shell 201.

[0088] The heater has the following five operating modes:

[0089] (1) Battery waste heat storage mode: Refer to Figure 2 As shown, the second heat pipe 302 in the heat dissipation and heating unit 3 is not located inside the phase change material 201. The first heat pipe 5 transfers the heat generated by the battery pack 101 in the energy storage unit 1 to the phase change material 201. In this mode, the phase change material 201 only stores heat and does not release heat, and the heat dissipation and heating unit 3 does not operate.

[0090] (2) Battery waste heat heating mode: Reference Figure 3 As shown, the second heat pipe 302 in the heat dissipation and heating unit 3 is located inside the phase change material 201. When the heating element 301 is not working, the first heat pipe 5 transfers the heat generated by the battery pack 101 in the energy storage unit 1 to the phase change material 201; then the phase change material 201 transfers the heat to the evaporation section of the second heat pipe 302, and the other end of the heat dissipation and heating unit 3 dissipates the heat to the outside of the heater.

[0091] (3) Individual heating mode of heat dissipation heating unit: The second heat pipe 302 in the heat dissipation heating unit 3 is not located inside the phase change material 201. The heating element 301 is energized and heated, and the heat is transferred to the evaporation section of the second heat pipe 302. The other end of the heat dissipation heating unit 3 dissipates the heat to the outside of the heater. This mode can achieve rapid heating.

[0092] (4) Combined heating mode: The second heat pipe 302 in the heat dissipation heating unit 3 is located inside the phase change material 201. The first heat pipe 5 transfers the heat generated by the battery pack 101 in the energy storage unit 1 to the phase change material 201, and the heat is transferred from the phase change material 201 to the evaporation section of the second heat pipe 302. At the same time, the heating element 301 is energized and heated, transferring the heat to the evaporation section of the second heat pipe 302, and the other end of the heat dissipation heating unit 3 dissipates the heat to the outside of the heater.

[0093] (5) Battery heating mode: The second heat pipe 302 in the heat dissipation and heating unit 3 is located inside the phase change material 201. The heating element 301 is energized and heated, and the heat is transferred to the phase change material 201, then to the first heat pipe 5, and finally to the battery pack 101, so that the battery can be heated to a suitable operating temperature range in a cold environment, extending the battery life and accelerating the charging speed.

[0094] In the fifth battery heating mode, the evaporation section of the first heat pipe 5 is located at the top, and the condensation section is located at the bottom. Without adjusting the installation method of the first heat pipe 5, the functions of its two ends can be interchanged by controlling the temperature at both ends, achieving reverse heat transfer. This not only solves the technical problem of the battery heat not dissipating in time during charging and discharging in electric heaters, but also addresses the technical problem of battery performance degradation in extremely cold environments.

[0095] The heat dissipation and heating unit also includes a second temperature sensor, which is disposed in the heat dissipation and heating unit to detect the temperature of the air outlet. Specifically, the second temperature sensor 307 is disposed on the inner side wall of the louver 305 and is used to detect the temperature of the air outlet. The second temperature sensor 307 is used to transmit the detected temperature signal to the control unit of the heater. Based on the received temperature signal, after the set temperature is reached, the control unit controls the heating element 301 to turn off the power or controls the gear rack mechanism 4 to adjust the height of the second heat pipe 302 inside the phase change material 201; it can also control the airflow of the speed-regulating fan 304, thereby controlling the amount of heat dissipation.

[0096] The energy storage unit also includes a first temperature sensor 104, which is disposed within the energy storage unit to detect the temperature of the energy storage unit. Specifically, the first temperature sensor 104 is disposed close to the outer wall of the battery pack 101 to detect the temperature of the battery pack wall. The first temperature sensor 104 transmits the detected temperature signal to the control unit of the heater. Based on the received temperature signal, the control unit controls the gear and rack mechanism 4 to adjust the height of the second heat pipe 302 inside the phase change material 201 and controls the heating power of the heating element 301, so that the battery pack 101 is in a suitable operating temperature range during charging and discharging. If the first temperature sensor 104 detects that the temperature of the battery pack 101 exceeds a preset value, it executes the battery waste heat heating mode to dissipate heat to the outside of the heater in a timely manner. Conversely, if the first temperature sensor 104 detects that the temperature of the battery pack 101 is lower than the preset value, it executes the battery heating mode, thereby improving the safety of the device.

[0097] refer to Figure 5As shown, the energy storage unit 1 includes a battery housing 102 for accommodating the battery pack 101, and the side wall of the battery housing 102 is provided with a socket panel 103; the socket panel 103 is provided with a charging port corresponding to the battery pack 101 and a variety of discharging ports.

[0098] The battery pack 101 is connected to a charging port and multiple discharging ports for charging and discharging. The charging port is preferably a single-phase three-hole socket or a single-phase two-hole socket. The multiple discharging ports include a Type-C port, a USB port, and a vehicle 12V power outlet. The battery pack 101 in this energy storage unit can be charged via solar panels, a household 220V power grid, or a charging station, and can also transmit power to external devices via USB and 220V interfaces. To achieve different forms of power output, the control unit acts as a transformer.

[0099] As a further preferred embodiment of the above, the heater also includes a power switch 6, an adjustment knob 7 and a power display window 8 disposed on the outside of the upper wall of the heat dissipation and heating housing 306. The power switch 6 is used to make overall power connection to the device, that is, to start the device. The adjustment knob 7 is used to adjust the speed of the fan 304. The power display window 8 is used to display the remaining power of the battery pack 101.

[0100] Furthermore, the bottom of the energy storage unit 1 is equipped with four casters to facilitate the movement of the heater.

[0101] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A storage-type electric heater, characterized in that, include: Energy storage unit; A phase change thermal energy storage unit is disposed on the energy storage unit; A plurality of first heat pipes, each having an evaporation section and a condensation section at its two ends, are respectively connected in contact between the energy storage unit and the phase change thermal storage unit for heat exchange between the phase change thermal storage unit and the energy storage unit. A heat dissipation and heating unit is disposed on the side of the phase change thermal storage unit away from the energy storage unit. The heat dissipation and heating unit is used to dissipate the heat in the phase change thermal storage unit.

2. The energy storage and thermal energy storage heater according to claim 1, characterized in that, The energy storage unit includes multiple battery packs spaced apart, and one end of the first heat pipe is attached to the gap between adjacent battery packs.

3. The energy storage and thermal energy storage heater according to claim 1, characterized in that, The heat dissipation and heating unit includes: A heat dissipation and heating shell is fitted into the phase change heat storage unit at its bottom end, and an opening communicating with the phase change heat storage unit is formed at the bottom of the heat dissipation and heating shell. Several second heat pipes, each having an evaporation section and a condensation section at its two ends, are spaced apart within the heat dissipation and heating housing.

4. The energy storage and thermal energy storage heater according to claim 3, characterized in that, The top of the heat dissipation and heating housing is provided with an air inlet and an air outlet respectively corresponding to the top of the second heat pipe, and the top of the second heat pipe is provided with heat dissipation fins.

5. The energy storage and thermal energy storage heater according to claim 4, characterized in that, A heating element is provided at the bottom of the second heat pipe, and a fan is provided at the air inlet of the heat dissipation and heating shell. The fan and the heating element are connected to the energy storage unit.

6. The energy storage and thermal energy storage heater according to claim 3, characterized in that, The phase change thermal storage unit includes a phase change thermal storage shell, the interior of which is filled with phase change material, and the heat dissipation and heating shell is slidably disposed vertically within the phase change thermal storage shell to adjust the contact height between the multiple second heat pipes and the phase change material.

7. The energy storage and thermal energy storage heater according to claim 6, characterized in that, It also includes a transmission mechanism, which is disposed between the heat dissipation and heating unit and the phase change heat storage unit, and is used to drive the heat dissipation and heating unit and the phase change heat storage unit to slide and seal vertically.

8. The energy storage and thermal energy storage heater according to claim 7, characterized in that, The transmission mechanism includes: A rack is mounted vertically on the heat dissipation and heating unit; The gear meshes with the rack; A drive motor is mounted on the phase change heat storage unit. The output end of the drive motor is connected to the gear and is used to drive the gear to rotate, thereby driving the heat dissipation and heating unit to reciprocate along the rack direction.

9. The energy storage and thermal energy storage heater according to claim 1, characterized in that, The first heat pipe is hollow inside and filled with nanoparticles, and its bottom inner wall is coated with thermally conductive adhesive. And / or the inner wall of the first heat pipe is provided with a capillary wick or capillary grooves.

10. The energy storage and thermal energy storage heater according to claim 4, characterized in that, The heat dissipation and heating unit also includes a second temperature sensor, which is disposed in the heat dissipation and heating unit and is used to detect the temperature of the air outlet. And / or the energy storage unit further includes a first temperature sensor, which is disposed in the energy storage unit for detecting the temperature of the energy storage unit.

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