CN205807769U - A kind of PTC for air-conditioning heats assembly and air conditioning system - Google Patents

Abstract

The utility model discloses a kind of PTC for air-conditioning and heat assembly and air conditioning system, the radiating fin being connected with ptc heater including ptc heater and the housing of covering radiating fin, at least side of housing is formed with the groove for air current flow.This utility model has offered groove in the both sides of radiating fin, adds the circulation path of produced thermal current in its work process, thus ensures that device entirety can low noise be run.

Description

A kind of PTC for air-conditioning heats assembly and air conditioning system

Technical field

This utility model relates to air-conditioning heat dissipation bar technical field, particularly relates to a kind of PTC for air-conditioning and heats assembly And air conditioning system.

Background technology

In having heat-production functions volume air-conditioner, in order to improve heating effect, many air-conditioners just can installed at indoor set The electric heater of temperature coefficient thermistor (PTC, Positive Temperature Coefficient).

But find in actual use, when heating operation, open PTC electrical heating and heat the noise that obtains of test and do not open The level of noise that PTC electrical heating measurement obtains has difference, and it is higher to open PTC electrical heating level of noise；Especially relatively low at indoor air velocity In the case of, level of noise can reach 5-10dB (A) with difference, has had a strong impact on the sound comfortableness of air-conditioner.

In prior art, as it is shown in figure 1, disclose the PTC heater heat sink strip structure (application of a kind of good heat dissipation effect Number: 201310711023.9), including: lower stator that upper stator is connected with PTC heater heat generating core be arranged on Corrugated heat radiation fin between stator and lower stator, is evenly arranged with some louvres on fixed.

Although heat sink strip open-celled structure of the prior art can improve radiating effect, but louvre that its local is offered Integral heat sink area less, it still suffers from eddy current at closing portion, and eddy current noise problem fricative with blower fan does not has Have been resolved.

Utility model content

The purpose of this utility model is, it is provided that a kind of PTC for air-conditioning heats assembly, changes opening of radiator structure Mouth mode, effectively reduces the impact of pneumatic noise.

This utility model realizes above-mentioned purpose and be the technical scheme is that

According to an aspect of the present utility model, it is provided that a kind of PTC for air-conditioning heats assembly, heats including PTC Radiating fin that device is connected with ptc heater and cover the housing of radiating fin, at least side of housing is formed for The groove of air current flow.

Housing is rectangular, and groove extends along the long side direction of housing.

The bond length of groove is less than the width of radiating fin.

The area of groove is the 50%-90% of the area of housing.

The reinforcement for fixing radiating fin it is provided with between adjacent radiating fin.

Reinforcement extends along the long side direction of described housing, and is connected with described housing.

According to another aspect of the present utility model, additionally provide a kind of air conditioning system, be provided with this PTC and heat assembly.

What this utility model employing technique scheme was had has the technical effect that

This utility model has offered groove in the housing both sides of radiating fin, adds produced heat in its work process The circulation path of air-flow, decreases heat sink strip structure due to produced eddy current quantity of being heated, thus ensures that device entirety can Low noise is run.

Accompanying drawing explanation

Fig. 1 is the schematic diagram of the radiator structure of prior art；

Fig. 2 is the front view of radiator structure of the present utility model；

Fig. 3 is the A-A sectional view of Fig. 2；

Fig. 4 is the schematic diagram of housing of the present utility model.

Wherein, 1, radiating fin；2, housing；3, side；4, reinforcement；5, groove.

Detailed description of the invention

For the scheme in this utility model is clearly described, preferred embodiment is given below and combines accompanying drawing specifically Bright.That the following description is substantially merely exemplary and be not intended to limit the application of the disclosure or purposes.It is to be understood that , in whole accompanying drawings, corresponding reference represents identical or corresponding parts and feature.

The radiator structure that conventional air-conditioning is used is mostly type semienclosed structure, will be built in housing 2 by radiating fin 1 In, air circulates between two relative lateral openings of housing 2 after heating through ptc heater and dispels the heat, detailed process For: in air conditioning chamber, air intake enters from heat sink strip upper opening, flows out from open lower side, and in a heating mode, radiating fin 1 produces Heat be diffused in the duct space between housing 2 and radiating fin 1 by heat transfer so that the Air Temperature in duct space Degree raises and forms thermal current；Being perpendicular on air current flow direction, the thermodynamic state of air creates bigger difference so that The blade surface air-flow excessive temperature differentials of each position of whole fan blade import department, physical properties of fluids parameter change, through-flow fan blade air inlet area VELOCITY DISTRIBUTION is the most uneven, thus produces eddy current, and eddy current enters blower fan position and causes fan noise to deteriorate with fan blade friction, Therefore indoor set creates noise effect in its running environment.

The noise effect caused to reduce thermal current to flow, this utility model provides a kind of PTC for air-conditioning Heating assembly, it is possible to expand thermal current and diffuse to the circulation area in external environment condition at heat sink strip, reduces thermal current to fan blade Flow perturbation and the noise effect that causes, as in figure 2 it is shown, in this utility model an optional embodiment, its primary structure The radiating fin being connected with described ptc heater including ptc heater and the housing covering described radiating fin, radiating fin Sheet and housing constitute radiator structure of the present utility model, are formed with the groove for air current flow at least one side of housing 5, groove 5 is opened on the untouched housing side closed, as shown in Figure 4；Heat sink strip of the present utility model uses dissipating of waveform Hot fin 1, outside is coated with the housing 2 of metal material, in order to expand the circulation area of thermal current, at the trough of radiating fin 1 Or crest location, the side 3 of the housing of its correspondence is formed with groove 5, according to the needs of practical situation, it is unilateral for can selecting Face fluting or two sided fluting.

Compared in prior art on side the mode of partially perforation, groove 5 of the present utility model expand entirety Aperture area, in can making radiator structure entire scope, produced thermal current diffuses in external environment condition, to reduce steam whirlpool The impact of the produced noise of stream；In embodiments more of the present utility model, the area of groove 5 can reach housing area 50%-90%, thus ensure that high-temperature hot air-flow can have enough ventilation and heat areas.

Preferably, the housing 2 of radiator structure is the most rectangular, and radiating fin 1 carries out arrangement along the length direction of housing and sets Putting, it is contemplated that air is evenly distributed between radiating fin 1, in order to realize airflow to greatest extent, therefore this practicality is new The groove 5 of type is also the long side direction extension along housing 2, and the groove 5 offered in Fig. 2 is rectangular, it is preferred that can be by rectangle Chamfering is made in the corner of groove 5 or fillet processes, so that seamlessly transitting between the adjacent side of groove 5.

Owing to radiating fin 1 is placed in housing 2 inside, offer position due to dislocation from groove 5 in order to avoid radiating fin 1 Place's abjection, therefore the bond length of groove 5 is less than radiating fin 1 less than the local width of radiating fin 1, the i.e. width of groove 5 Width, radiating fin 1 can be played backstop action by the edge, side 3 at groove 5 place.This utility model uses logical in side Groove 5 pattern rather than by being also advantageous in that whole side is removed, in heat sink strip work process, lateral plates be heated can occur light Light deformation, the residue plate face of groove 5 circumference connects with other adjacent sides can play certain resistance to deformation effect.

In another optional embodiment of this case, in housing 2, multiple radiating fin 1, multiple radiating fin 1 rows can be set It is distributed in and offers between the two sides of groove 5, the heat sink strip structure shown in Fig. 3 has been arranged side by side two radiating fins 1, two Radiating fin 1 has one side corresponding with groove 5 respectively, it is ensured that the Homogeneouslly-radiating of two radiating fins 1.

In order to reduce radiating fin 1 deformation effect that heating power is caused, between radiating fin 1 adjacent in this utility model Being provided with the reinforcement 4 for fixing radiating fin 1, reinforcement 4 extends along the long side direction of housing 2, and is connected with housing 2, In an embodiment of the present utility model, it is solid metal strip that reinforcement 4 uses, and has high intensity and resistance to deformation etc. excellent Point, is possible to prevent ptc heater heated bending to deform, and also allows for the fixing of multiple radiating fin 1.

This utility model additionally provides a kind of air conditioning system, and this device uses above-mentioned PTC to heat assembly；Use this heating The air conditioning system of device, can reduce air conditioner greatly in the course of the work by noise produced by electro-heat equipment and blower fan, Improve the serviceability of complete machine.

In sum, above said content is only embodiment of the present utility model, is merely to illustrate of the present utility model former Reason, is not intended to limit protection domain of the present utility model.All within spirit of the present utility model and principle, that is made is any Amendment, equivalent, improvement etc., within should be included in protection domain of the present utility model.

Claims (7)

1. the PTC for air-conditioning heats an assembly, the radiating fin being connected including ptc heater with described ptc heater With the housing covering described radiating fin, it is characterised in that be formed for air current flow at least side of described housing Groove.

PTC for air-conditioning the most according to claim 1 heats assembly, it is characterised in that described housing is rectangular, described Groove extends along the long side direction of described housing.

PTC for air-conditioning the most according to claim 1 heats assembly, it is characterised in that the bond length of described groove Width less than described radiating fin.

PTC for air-conditioning the most according to claim 1 heats assembly, it is characterised in that the area of described groove is institute State the 50%-90% of the area of housing.

PTC for air-conditioning the most according to claim 1 heats assembly, it is characterised in that adjacent described radiating fin Between be provided with the reinforcement for fixing described radiating fin.

PTC for air-conditioning the most according to claim 5 heats assembly, it is characterised in that described reinforcement is along described shell The long side direction of body extends, and is connected with described housing.

7. an air conditioning system, it is characterised in that arrange just like the PTC heating group described in claim 1 to 6 any claim Part.