CN210717977U - Device for improving heating effect of outdoor unit of air conditioner - Google Patents
Device for improving heating effect of outdoor unit of air conditioner Download PDFInfo
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- CN210717977U CN210717977U CN201921468269.7U CN201921468269U CN210717977U CN 210717977 U CN210717977 U CN 210717977U CN 201921468269 U CN201921468269 U CN 201921468269U CN 210717977 U CN210717977 U CN 210717977U
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- air conditioner
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Abstract
The utility model relates to an air conditioning equipment field, in particular to a device for improving air condensing units heats effect. The device comprises an electric heater and a temperature controller, wherein the electric heater is arranged on a metal plate base plate at the bottom of an outdoor unit of the air conditioner, the electric heater is positioned on the inner side of a heat exchanger, an electric box is arranged in the outdoor unit of the air conditioner, the temperature controller is arranged in the electric box, and the electric heater is electrically connected with the temperature controller. The utility model discloses can realize slowing down heat exchanger time of frosting under cold climate condition, improve near heat exchanger's temperature field, evaporation temperature has been improved, on the basis of not too much incremental cost and energy consumption, the effect of heating of air condensing units has effectively been improved, air conditioning system's stability and reliability have been guaranteed, reasonable in design, compact structure, simple to operate, and is simple and practical, but wide application in newly-designed air conditioning system, also can install the use additional in current air conditioning system, many obvious advantages have.
Description
Technical Field
The utility model relates to an air conditioning equipment field, in particular to a device for improving electric refrigeration air condensing units effect of heating.
Background
At present, the air conditioner is used in more and more extensive regions, which are mainly used for refrigeration and heating in transition seasons in southern regions originally, but along with the release of a plurality of good policies such as national energy conservation and emission reduction, coal-to-electricity conversion and the like and the promotion of the heating technology and effect of the air conditioner, air conditioners are widely installed and used for heating in winter in northern China and northeast China except for using the air conditioner in summer. The traditional air conditioner has no use effect of balancing good refrigeration and heating all the time, and one is only focusing on the use effect of refrigeration, for example, the traditional air-cooled air conditioning unit; in addition, the other method only focuses on the heating use effect, such as an air source heat pump, enhanced vapor injection, secondary compression and the like, and the added air supply circulating refrigerant loop and other devices for improving the heating effect greatly improve the cost and the damage degree of equipment.
When the air conditioning system operates in a heating mode in winter, the air conditioner unit on the outdoor side is an evaporator, and in order to enable the indoor unit in the room to emit enough heat to increase the temperature in the room, the outdoor unit needs to continuously obtain heat from the outdoor side, so that the outdoor unit serving as the evaporator needs to obtain heat from cold outside air. The evaporator needs to reduce the evaporation temperature to a state lower than the temperature of the outside air in order to obtain heat, so that evaporation and heat absorption are facilitated, the evaporation temperature is generally lower than 0 ℃, at the moment, after the air conditioning system runs for a long time, the surface of the heat exchanger begins to frost gradually, the heat exchange capacity of the heat exchanger is reduced, the heat supply of the indoor unit is greatly reduced, the air conditioning system enters a defrosting state, and the heating cycle is finished. Therefore, it is an urgent problem to prolong the operation time of the heating mode, increase the surface temperature of the heat exchanger as much as possible, further increase the evaporation temperature, and slow down the frost formation time of the heat exchanger.
Chinese patent CN201910125247.9, a coolant heater, includes casing, electric heating pipe, coolant pipe, temperature controller, fuse subassembly, its characterized in that: the shell is formed by aluminum die casting or aluminum casting, an electric heating pipe and a refrigerant pipe are cast in the shell, the electric heating pipe is not directly contacted with the refrigerant pipe, and the distance is more than 2 mm. The electric heating pipe is connected to the electric control of the air conditioner and used for heating the air conditioner refrigerant. The refrigerant pipe is made of stainless steel, and two ends of the refrigerant pipe are connected into the heat pump system pipeline in series and used for circulating air-conditioning refrigerants. And a temperature controller is additionally arranged outside the shell and used for monitoring and controlling the working state of the electric heating pipe. And the fuse component is additionally arranged outside the shell and used for cutting off a power supply loop of the electric heating tube after the temperature controller fails. The shell is externally provided with an assembly hole for being installed and fixed on the condenser. The technical problem that the condenser is defrosted after the condenser is frosted is solved, and the technical problem that the frosting time of a heat exchanger is reduced is not solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving and improving heat exchanger surface temperature, and then improve evaporating temperature, slow down heat exchanger's the technical problem who frosts the time, provide a device for improving air condensing units heating effect, through improving near the temperature field of heat exchanger, improved evaporating temperature, slowed down heat exchanger's the time of frosting, increased air conditioning system and heated the effect in cold season.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: the utility model provides a device for improving air condensing units heats effect which characterized in that: the electric heating device comprises an electric heater and a temperature controller, wherein the electric heater is arranged on a metal plate base plate at the bottom of an air conditioner outdoor unit, the electric heater is positioned on the inner side of a heat exchanger, an electric box is arranged in the air conditioner outdoor unit, the temperature controller is arranged in an electric fitting box, and the electric heater is electrically connected with the temperature controller.
Furthermore, the electric heater is installed on a fixed sheet metal part, and the fixed sheet metal part is installed on a sheet metal chassis at the bottom of the air conditioner outdoor unit.
Further, the distance between the electric heater and the heat exchanger is 15-45 mm.
Furthermore, the power of the electric heater is selected according to the heating capacity of the air conditioner outdoor unit.
Further, the electric heater adopts an electric heating pipe.
Further, the temperature controller is integrated on the control panel or is independently installed in the electric box.
The utility model discloses a detect outdoor ambient temperature, adjust electric heater's output, in order to guarantee to slow down heat exchanger's the time of frosting under cold climate condition, the temperature field near heat exchanger has been improved, evaporation temperature has been improved, on the basis of not too much incremental cost and energy consumption, the heating effect of air condensing units under cold climate has effectively been improved, air conditioning system's stability and reliability have been guaranteed, reasonable in design, compact structure, and convenient for installation, and is simple and practical, but wide application in the air conditioning system of new design, also can install the use additional in current air conditioning system, many obvious advantages have.
Drawings
Fig. 1 is an overall configuration diagram of an air conditioner outdoor unit.
Fig. 2 is an installation schematic diagram of the present invention.
Fig. 3 is a partial view taken along the line a in fig. 2.
Fig. 4 is an enlarged view of B in fig. 3.
Fig. 5 is an electrical layout diagram inside the electrical component box.
Fig. 6 is an enlarged view of C in fig. 5.
In the figure: 1. the electric heating device comprises an electric heater, 2 parts of fixed sheet metal parts, 3 parts of a temperature controller, 4 parts of a chassis, 5 parts of a heat exchanger, 6 parts of an electric box, 7 parts of screws, 8 parts of a control board, 9 parts of a fixed wire clamp and 10 parts of a terminal block.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples, but the present invention is not limited to the specific examples.
Example 1
The utility model provides a device for improving air condensing units heating effect, includes electric heater 1, temperature controller 3, electric heater 1 installs on air condensing units bottom panel beating chassis 4, and electric heater 1 is located heat exchanger 5's inboard, installs electric box 6 in the air condensing units, is provided with temperature controller 3 in the electric box 6, electric heater 1 and temperature controller 3 electricity are connected.
The electric heater 1 is installed on the fixed sheet metal part 2, and the fixed sheet metal part 2 is installed on the sheet metal chassis 4 at the bottom of the air conditioner outdoor unit through a screw 7.
The distance between the electric heater 1 and the heat exchanger 5 is 15-45 mm.
The power of the electric heater 1 is selected according to the heating capacity of the air conditioner outdoor unit, and the electric heater with the power of 200W is selected for the air conditioner outdoor unit with the heating capacity of 31.5KW generally.
The electric heater 1 adopts an electric heating pipe, the length of the electric heating pipe is selected according to the length of the heat exchanger, and the length of the electric heating pipe is 2000mm for the upper air outlet outdoor unit which is common in the market.
The device for improving the heating effect of the outdoor unit of the air conditioner is arranged on a metal plate chassis 4 at the bottom of the outdoor unit of the air conditioner as shown in figure 1, and the working principle of the device is as follows: as shown in the electrical configuration diagram inside the electrical box shown in fig. 5, the electrical heater 1 and the temperature controller 3 are connected to the control circuit by wires, the wires are fixed by the fixing wire clamps 9, and the output power of the electrical heater 1 is adjusted by the temperature controller 3 through the control of the temperature controller 3 according to the detected outdoor environment temperature, so that the electrical heater 1 installed in fig. 2 is controlled to be turned on and off, thereby achieving the purpose of changing the ambient temperature field of the heat exchanger 5, ensuring that the frosting time of the heat exchanger can be reduced under the cold climate condition, improving the operation capability of the heat exchanger, and further increasing the heating effect of the whole system. The electric heater 1 is specifically controlled in four ways, and the initial default setting is the first way: the air conditioning system operates in a heating mode, the outside air temperature is below 3 ℃, when the system judges a frosting state, once the defrosting operation state is entered, the electric heater 1 is started, and after defrosting is finished, the electric heater 1 is closed after the heating mode operates for 10 minutes; the second mode is as follows: the air conditioning system operates in a heating mode, the outside air temperature is below 3 ℃, and when the compressor operates, the electric heater 1 is started; the third mode is as follows: the air conditioning system operates in a heating mode, the temperature of the outside air is below 3 ℃, and the electric heater 1 is started; the fourth mode is that: the electric heater 1 is turned off.
The following tests were carried out using the apparatus: the electric heater 1 was controlled in the third manner described above under the conditions that the ambient temperature was-15 ℃ and the capacity ratio of the indoor unit and the outdoor unit was 70% for 120 hours, and the test results showed that the chassis temperature fluctuated between-4 ℃ and 19 ℃ and the chassis had no ice.
Example 2
This embodiment employs substantially the same apparatus for improving heating effect of the outdoor unit of an air conditioner as that of embodiment 1, except that the thermostat 3 is separately installed in the electric box 6.
The above description is further detailed in connection with the preferred embodiments of the present invention, and it is not intended that the specific embodiments of the present invention be limited to these descriptions. To the utility model belongs to the technical field of the ordinary technical personnel, do not deviate from the utility model discloses a under the prerequisite of the design, can also make simple deduction and replacement, all should regard as the utility model discloses a protection scope.
Claims (6)
1. The utility model provides a device for improving air condensing units heats effect which characterized in that: including electric heater (1), temperature controller (3), install on air condensing units bottom panel beating chassis (4) electric heater (1), electric heater (1) is located the inboard of heat exchanger (5), installs electric box (6) among the air condensing units, is provided with temperature controller (3) in the electricity fitting box (6), electric heater (1) and temperature controller (3) electricity are connected.
2. The apparatus of claim 1, wherein the heating effect of the outdoor unit of the air conditioner is increased by: the electric heater (1) is installed on the fixed sheet metal part (2), and the fixed sheet metal part (2) is installed on a sheet metal chassis (4) at the bottom of the outdoor unit of the air conditioner.
3. The apparatus of claim 1, wherein the heating effect of the outdoor unit of the air conditioner is increased by: the distance between the electric heater (1) and the heat exchanger (5) is 15-45 mm.
4. The apparatus of claim 1, wherein the heating effect of the outdoor unit of the air conditioner is increased by: the power of the electric heater (1) is selected according to the heating capacity of the air conditioner outdoor unit.
5. The apparatus of claim 1, wherein the heating effect of the outdoor unit of the air conditioner is increased by: the electric heater (1) adopts an electric heating pipe.
6. The apparatus of claim 1, wherein the heating effect of the outdoor unit of the air conditioner is increased by: the temperature controller (3) is integrated on the control panel or is independently arranged in the electric box (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921468269.7U CN210717977U (en) | 2019-09-05 | 2019-09-05 | Device for improving heating effect of outdoor unit of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921468269.7U CN210717977U (en) | 2019-09-05 | 2019-09-05 | Device for improving heating effect of outdoor unit of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210717977U true CN210717977U (en) | 2020-06-09 |
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ID=70937228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921468269.7U Active CN210717977U (en) | 2019-09-05 | 2019-09-05 | Device for improving heating effect of outdoor unit of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210717977U (en) |
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2019
- 2019-09-05 CN CN201921468269.7U patent/CN210717977U/en active Active
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