Sectional type electrothermal film air source heat pump device
By combining segmented electric heating film heaters and controllers, the problem of insufficient gas heating in air source heat pump devices is solved, achieving efficient gas compression and condenser heat exchange, and reducing energy consumption and heat loss.
Patent Information
- Application Number
- CN202520548861.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-03-26
AI Technical Summary
Existing air source heat pump devices cannot heat the gas to a high temperature when heating the gas through an air heat exchanger, resulting in long compressor compression time, high power requirements, and large temperature fluctuations, which affects the heat exchange effect of the condenser.
The system employs a segmented electric heating film heater and controller. It initially heats the gas using ambient air heat energy and then gradually heats it to a set threshold temperature using the segmented electric heating film. Combined with an axial flow fan to increase airflow, the controller precisely adjusts the heating power and valve opening and closing degree to ensure that the gas is compressed within a controllable temperature range.
It achieves segmented, step-by-step heating of gas temperature, shortens compression time, reduces power consumption and compressor power requirements, improves the heat exchange efficiency of the condenser, and avoids the heat loss of traditional reverse cycle defrosting.
Smart Images
Figure CN223896311U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to air source heat pump technical field especially relates to a sectional type electric heating film air source heat pump device. BACKGROUND
[0002] At present, air source heat pump device utilizes the air heat energy in the environment through air heat exchanger to heat the gas in the air heat exchanger, and then transmits to the compressor to compress the gas into high-temperature and high-pressure gas, and transmits to the condenser to exchange heat. However, this heating method through the air heat exchanger cannot heat the gas to a very high temperature, resulting in a long time required for the compressor to compress the gas into high-temperature and high-pressure gas, and a certain requirement for the power of the compressor, and the temperature of the gas compressed by the compressor fluctuates greatly, which cannot guarantee the heat exchange effect of the condenser. SUMMARY
[0003] In order to overcome the defects of the prior art, the utility model provides a sectional type electric heating film air source heat pump device, which realizes preliminary heating of the gas in the air heat exchanger by the air heat energy in the environment, thereby reducing the consumption of electric energy, and realizes step-by-step segmented heating of the gas to a set threshold temperature by the sectional type electric heating film heater, thereby guaranteeing the temperature of the gas compressed by the compressor within a controllable temperature range, and thereby guaranteeing the heat exchange effect of the condenser.
[0004] In order to achieve the above-mentioned utility model purposes, the utility model adopts the following technical solutions:
[0005] A sectional type electric heating film air source heat pump device, comprising a controller, an air heat exchanger, a sectional type electric heating film heater, a compressor and a condenser, the controller is connected with the sectional type electric heating film heater and the compressor respectively, the gas inlet end of the air heat exchanger is connected with the gas outlet end of the condenser, the gas outlet end of the air heat exchanger is connected with the gas inlet end of the sectional type electric heating film heater, the gas outlet end of the sectional type electric heating film heater is connected with the gas inlet end of the compressor, and the gas outlet end of the compressor is connected with the gas inlet end of the condenser, the gas in the air heat exchanger is preliminarily heated by the air heat energy in the environment, the controller controls the sectional type electric heating film heater to heat the preliminarily heated gas to a set threshold temperature, and the controller controls the compressor to compress the gas reaching the set threshold temperature into high-temperature and high-pressure gas and transmit it to the condenser for heat exchange.
[0006] Further, an axial flow fan is arranged on one side of the air heat exchanger, the axial flow fan is connected with the controller, and the axial flow fan is controlled to work by the controller, thereby significantly improving the air flow of the ambient air flowing through the air heat exchanger in unit time, and thereby improving the heat exchange efficiency of the air heat exchanger.
[0007] Furthermore, the segmented electric heating film heater includes a first electric heating film heater, a second electric heating film heater, and a third electric heating film heater. The controller is connected to the first electric heating film heater, the second electric heating film heater, and the third electric heating film heater, respectively. The controller controls the first electric heating film heater to perform primary heating of the gas, the second electric heating film heater to perform secondary heating of the gas, and the third electric heating film heater to perform tertiary heating of the gas.
[0008] Furthermore, a first temperature sensor is installed at the gas inlet of the segmented electric heating film heater, a second temperature sensor is installed at the gas inlet of the second electric heating film heater, and a third temperature sensor is installed at the gas inlet of the third electric heating film heater. The controller is connected to the first, second, and third temperature sensors respectively, and controls the heating power of the first, second, and third electric heating film heaters based on the gas temperature collected at different locations.
[0009] Furthermore, a first electric valve is provided between the first and second electric heating film heaters, and a second electric valve is provided between the second and third electric heating film heaters. A controller is connected to the first and second electric valves respectively. The controller controls the opening and closing degree of the first electric valve based on the gas temperature signal heated by the first electric heating film heater, and the controller controls the opening and closing degree of the second electric valve based on the gas temperature signal heated by the second electric heating film heater.
[0010] Furthermore, an electric heating film is installed on the surface of the air heat exchanger. The electric heating film is connected to a controller, which controls the electric heating film to heat the surface of the air heat exchanger.
[0011] The beneficial effects of this application are: it enables the gas in the air heat exchanger to be preheated by the air thermal energy in the environment, and an axial fan is set on one side of the air heat exchanger. The axial fan is controlled by a controller to operate, which significantly increases the air flow rate of the ambient air through the air heat exchanger per unit time, thereby improving the heat exchange efficiency of the air heat exchanger and reducing the consumption of electrical energy.
[0012] The system achieves segmented heating of gas, which has been preheated by an air heat exchanger, to a set threshold temperature through a segmented electric heating film heater. The compressor then compresses the gas, which has reached the set threshold temperature, into a high-temperature, high-pressure gas, and transfers it to a condenser for heat exchange.
[0013] The gas is heated by a first electric heating film heater, a second electric heating film heater, and a third electric heating film heater, thereby increasing the gas temperature in stages to a set threshold temperature.
[0014] This invention achieves a shortened defrosting cycle and avoids the heat loss associated with traditional reverse-cycle defrosting by installing an electric heating film on the surface of the air heat exchanger.
[0015] This technology enables the gas to be heated to a set threshold temperature using a segmented electric heating film heater, which reduces the time required for the compressor to compress the gas into a high-temperature, high-pressure gas, and also reduces the power requirements of the compressor. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 This is a schematic diagram of the structure of a segmented electric heating film air source heat pump device according to this utility model.
[0018] Attached image labels:
[0019] 1-Air heat exchanger, 2-Axial fan, 3-Segmented electric heating film heater, 301-First electric heating film heater, 302-First electric valve, 303-Second temperature sensor, 304-Electric heating film, 4-Compressor, 5-Condenser. Detailed Implementation
[0020] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.
[0021] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. This utility model can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0022] Example 1:
[0023] A segmented electric heating film air source heat pump device includes a controller, an air heat exchanger, a segmented electric heating film heater, a compressor, and a condenser. The controller is connected to both the segmented electric heating film heater and the compressor. The gas inlet of the air heat exchanger is connected to the gas outlet of the condenser, the gas outlet of the air heat exchanger is connected to the gas inlet of the segmented electric heating film heater, the gas outlet of the segmented electric heating film heater is connected to the gas inlet of the compressor, and the gas outlet of the compressor is connected to the gas inlet of the condenser. The gas in the air heat exchanger is initially heated by the ambient air heat energy. The controller controls the segmented electric heating film heater to heat the initially heated gas in segments to a set threshold temperature. The controller controls the compressor to compress the gas that has reached the set threshold temperature into a high-temperature, high-pressure gas and transfer it to the condenser for heat exchange.
[0024] To further improve the heating effect of the air heat exchanger, an axial fan is installed on one side of the air heat exchanger. The axial fan is connected to a controller, which controls the operation of the axial fan. This significantly increases the airflow rate of ambient air passing through the air heat exchanger per unit time, thereby improving the heat exchange efficiency of the air heat exchanger.
[0025] The segmented electric heating film heater includes a first electric heating film heater, a second electric heating film heater, and a third electric heating film heater. A controller is connected to the first, second, and third electric heating film heaters respectively. The controller controls the first electric heating film heater to perform primary heating of the gas, the second electric heating film heater to perform secondary heating of the gas, and the third electric heating film heater to perform tertiary heating of the gas. By heating the gas through the first, second, and third electric heating film heaters, the gas temperature is gradually increased to a set threshold temperature in a segmented manner.
[0026] To further improve the heating effect of the segmented electric heating film heater, a first temperature sensor is installed at the gas inlet of the segmented electric heating film heater, a second temperature sensor is installed at the gas inlet of the second electric heating film heater, and a third temperature sensor is installed at the gas inlet of the third electric heating film heater. The controller is connected to the first, second, and third temperature sensors respectively. The first temperature sensor collects the temperature of the gas after preliminary heating and transmits it to the controller. The second temperature sensor collects the temperature of the gas heated by the first electric heating film heater and transmits it to the controller. The third temperature sensor collects the temperature of the gas heated by the second electric heating film heater and transmits it to the controller. The controller controls the heating power of the first, second, and third electric heating film heaters respectively based on the gas temperature collected at different locations.
[0027] To further improve the heating effect of the segmented electric heating film heater, a first electric valve is installed between the first and second electric heating film heaters, and a second electric valve is installed between the second and third electric heating film heaters. A controller is connected to the first and second electric valves respectively. The controller controls the opening and closing degree of the first electric valve based on the gas temperature signal heated by the first electric heating film heater, and the controller controls the opening and closing degree of the second electric valve based on the gas temperature signal heated by the second electric heating film heater.
[0028] To reduce heat loss, an electric heating film is installed on the surface of the air heat exchanger. The electric heating film is connected to a controller, which controls the electric heating film to heat the surface of the air heat exchanger, thereby shortening the defrosting cycle and avoiding the heat loss of traditional reverse circulation defrosting.
[0029] Those skilled in the art will clearly understand that, for the sake of convenience and brevity, the specific working process of the system and unit described above can be referred to the corresponding process in the foregoing method embodiments, and will not be repeated here.
[0030] The terms "first," "second," and "third," etc., used in this application's specification and the foregoing drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented, for example, in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.
[0031] The above-described embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application 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 of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.
Claims
1. A segmented electric heating film air source heat pump device, characterized in that, The system includes a controller, an air heat exchanger, a segmented electric film heater, a compressor, and a condenser. The controller is connected to both the segmented electric film heater and the compressor. The gas inlet of the air heat exchanger is connected to the gas outlet of the condenser, the gas outlet of the air heat exchanger is connected to the gas inlet of the segmented electric film heater, the gas outlet of the segmented electric film heater is connected to the gas inlet of the compressor, and the gas outlet of the compressor is connected to the gas inlet of the condenser. The air in the air heat exchanger is initially heated using ambient air heat energy. The controller controls the segmented electric film heater to heat the initially heated gas in segments to a set threshold temperature. The controller controls the compressor to compress the gas that has reached the set threshold temperature into a high-temperature, high-pressure gas, which is then transferred to the condenser for heat exchange.
2. The segmented electric heating film air source heat pump device according to claim 1, characterized in that, An axial fan is installed on one side of the air heat exchanger. The axial fan is connected to a controller, which controls the axial fan to operate, thereby increasing the airflow rate of ambient air passing through the air heat exchanger per unit time.
3. The segmented electric heating film air source heat pump device according to claim 1, characterized in that, The segmented electric heating film heater includes a first electric heating film heater, a second electric heating film heater, and a third electric heating film heater. A controller is connected to the first electric heating film heater, the second electric heating film heater, and the third electric heating film heater, respectively. The controller controls the first electric heating film heater to perform primary heating of the gas, the second electric heating film heater to perform secondary heating of the gas, and the third electric heating film heater to perform tertiary heating of the gas.
4. The segmented electric heating film air source heat pump device according to claim 3, characterized in that, A first temperature sensor is installed at the gas inlet of the segmented electric heating film heater, a second temperature sensor is installed at the gas inlet of the second electric heating film heater, and a third temperature sensor is installed at the gas inlet of the third electric heating film heater. The controller is connected to the first, second, and third temperature sensors respectively. The controller controls the heating power of the first, second, and third electric heating film heaters based on the gas temperature collected at different locations.
5. The segmented electric heating film air source heat pump device according to claim 3, characterized in that, A first electric valve is provided between the first and second electric heating film heaters, and a second electric valve is provided between the second and third electric heating film heaters. A controller is connected to the first and second electric valves respectively. The controller controls the opening and closing degree of the first electric valve based on the gas temperature signal heated by the first electric heating film heater, and the controller controls the opening and closing degree of the second electric valve based on the gas temperature signal heated by the second electric heating film heater.
6. The segmented electric heating film air source heat pump device according to claim 1, characterized in that, An electric heating film is provided on the surface of the air heat exchanger. The electric heating film is connected to a controller, which controls the electric heating film to heat the surface of the air heat exchanger.