CN207893957U - A kind of air-conditioning ptc heater - Google Patents
A kind of air-conditioning ptc heater Download PDFInfo
- Publication number
- CN207893957U CN207893957U CN201820106428.8U CN201820106428U CN207893957U CN 207893957 U CN207893957 U CN 207893957U CN 201820106428 U CN201820106428 U CN 201820106428U CN 207893957 U CN207893957 U CN 207893957U
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- Prior art keywords
- circuit board
- air
- ptc heating
- heating cores
- bar
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- Resistance Heating (AREA)
Abstract
The utility model provides a kind of air-conditioning ptc heater, including several PTC heating cores, circuit board and copper bus-bar, PTC heating cores top, bottom and both sides are respectively equipped with upper shell, bottom plate and two side plates, the inside of two side plates is equipped with position-limit mechanism, upper shell and bottom plate are connect with the both ends of side plate by snap device respectively, the both ends of two side plates are equipped with harness card slot, circuit board and copper bus-bar are arranged between PTC heating cores and upper shell, and PTC heating cores and circuit board electrical connection.The air-conditioning ptc heater is fixed thermal protector without additional component by the way that position-limit mechanism is arranged in side plate; it is simple in structure; it is simultaneously that PTC heating core cathode is all converging together by copper bus-bar; anode passes through the printed circuit on circuit board; various combination sum number purpose PTC heating cores can be combined on demand; it is then divided into power supply circuit, realizes the uniform stepping function of PTC heating cores.
Description
Technical field
The utility model belongs to air conditioning equipment of car technical field, and in particular to a kind of air-conditioning ptc heater.
Background technology
PTC（Positive Temperature Coefficient, positive temperature coefficient）Heater is made pottery using PTCR temperature-sensitives
Porcelain element is formed with corrugated fins aluminum strip through high temperature gluing knot after being combined by several PTC monolithics, the small, heat exchange efficiency with thermal resistance
The remarkable advantages such as height, service life length, the flames of anger can be used to assist heating, defrosting, demisting, seat heating, answer extensively at present
For automotive air-conditioning system.It directly fixes and is adhesively fixed however, traditional air conditioning for automobiles ptc heater mostly uses screw,
Confluence mode by the way of being wired directly to connector from heating core, ask as follows by this fixed form and the presence of confluence mode
Topic：
1, the confluence mode heating core of traditional air conditioning for automobiles ptc heater is connected directly to a plurality of line of connector needs
Beam, occupied space are big, it is difficult to operate, it is difficult to safeguard.
If 2, the confluence mode heating core of traditional air conditioning for automobiles ptc heater wants uniform stepping, need to harness
It distinguishes, is unfavorable for flow line production.
3, traditional air conditioning for automobiles ptc heater installs temperature detect switch (TDS), and additional component is needed to consolidate temperature detect switch (TDS)
It is fixed.
Utility model content
Unstable, the thick thickness of shell frame that the purpose of the utility model is to overcome PTC heating cores installations in existing heater,
The problem for stepping complexity of converging.
For this purpose, the utility model embodiment provides a kind of air-conditioning ptc heater, including several PTC heating cores, electricity
Road plate and copper bus-bar, PTC heating cores top, bottom and both sides are respectively arranged with upper shell, bottom plate and two side plates, and two
The inside of a side plate is equipped with position-limit mechanism for installing thermal protector, the upper shell and bottom plate respectively with the side plate
Both ends connected by snap device, the both ends of two side plates be equipped with the harness for thermal protector by harness card slot,
The circuit board and copper bus-bar are arranged between PTC heating cores and upper shell, and the PTC heating cores are electrically connected with circuit board
It connects.
Further, the position-limit mechanism includes limiting groove and be arranged prevents thermal protector from moving in limiting groove
Positive stop lug boss, the opening of the limiting groove is towards the end of the side plate.
Further, the position-limit mechanism is arranged on the side plate close to one end of the upper shell.
Further, the snap device includes buckling parts and plug division, the buckling parts setting in the upper shell or
On the outside of bottom end, there is the buckling parts card slot, the plug division to be arranged in the end of the side plate along the side plate axis,
The plug division has and the matched fixture block of card slot.
Further, the harness card slot is arranged on the plug division.
Further, the upper shell includes upper cover and middle shell, and the upper cover and middle shell are detachably connected, two sides
Plate is connect with the middle shell end.
Further, above-mentioned air-conditioning ptc heater further includes circuit board support, and the circuit board support is set on described
Between shell and the PTC heating cores, the circuit board and copper bus-bar are arranged on the circuit board support.
Further, the circuit board support is equipped with high platform and low platform, and the circuit board is arranged in high platform, institute
It states copper bus-bar to be arranged in low platform, the PTC heating cores are equipped with long pin and short pin, and the long pin enters high platform
It is connected with the circuit board, the short pin enters low platform and is connected with the copper bus-bar, and the copper bus-bar is equipped with boss, institute
It states boss to connect with the circuit board, the circuit board is equipped with the positive terminal hole for drawing cathode circuit and draws cathode traces
Negative terminal hole.
Further, it is respectively equipped in the high platform and low platform of the circuit board support and the PTC heating cores
The bottom of long pin and the corresponding guiding groove of short pin, the guiding groove is equipped with tapered opening.
Compared with prior art, the beneficial effects of the utility model：
(1) this air-conditioning ptc heater provided by the utility model in side plate by being arranged position-limit mechanism to Thermal protection
Device is fixed, and the harness of thermal protector is fixed by harness card slot, without additional component to thermal protector into
Row is fixed, simple in structure, reduces the volume of the air-conditioning ptc heater.
(2) PTC heating cores cathode is passed through into copper bus-bar whole in this air-conditioning ptc heater provided by the utility model
Converging together, anode, as desired can be by various combination sum number purpose PTC heat generating cores by the printed circuit on circuit board
Body is combined, and power supply circuit is then divided into, to realize the uniform stepping function of PTC heating cores.
(3) in this air-conditioning ptc heater provided by the utility model by circuit board and copper bus-bar with certain altitude difference into
Row arrangement so that form a safe spacing between circuit board and copper bus-bar, improve the air-conditioning ptc heater in electric property
On safety.
The utility model is described in further details below with reference to attached drawing.
Description of the drawings
Fig. 1 is the explosive view of the utility model air-conditioning ptc heater；
Fig. 2 is the partial enlarged view of the utility model latus inframedium；
Fig. 3 is the partial enlarged view of upper shell in the utility model；
Fig. 4 is the combination installation diagram of circuit board in the utility model, copper bus-bar, circuit board support and PTC heating cores.
Reference sign：1, upper shell；2, circuit board；3, copper bus-bar；4, circuit board support；5, side plate；6, bottom plate；7、
PTC heating cores；8, position-limit mechanism；9, thermal protector；10, plug division；11, low platform；12, high platform；13, boss；14, it limits
Position groove；15, positive stop lug boss；16, harness card slot；17, fixture block；18, buckling parts；19, card slot；20, positive terminal hole；21, it bears
Pole wiring hole；22, long pin；23, short pin.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The all other embodiment obtained, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be understood that term "center", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of describing the present invention and simplifying the description, rather than indicates or imply and is signified
Device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this practicality
Novel limitation；In the description of the present invention, unless otherwise indicated, " multiple ", " several " are meant that two or two
More than.
As shown in Figure 1, a kind of air-conditioning ptc heater is present embodiments provided, including several PTC heating cores 7, circuits
Plate 2 and copper bus-bar 3,7 top of PTC heating cores, bottom and both sides are respectively arranged with upper shell 1, bottom plate 6 and two side plates
5, upper shell 1, bottom plate 6 and two side plates 5 wrap up several PTC heating cores 7 from four sides, two side plates 5 it is interior
Side is equipped with the position-limit mechanism 8 for installing thermal protector 9, and the upper shell 1 and bottom plate 6 are logical with the both ends of the side plate 5 respectively
Snap device connection is crossed, thermal protector 9 is installed in the position-limit mechanism 8 of side plate 5, side plate 5 and bottom plate 6 are passed through into snap device
After installation, between several PTC heating cores 7 are put into two side plates 5, thermal protector 9 is limited in side plate 5 and PTC at this time
Between heating core 7, to realize the fixed installation for just completing thermal protector 9 without additional fixed component, and for the ease of heat
The harness of protector 9 accesses, the both ends of two side plates 5 be equipped with the harness for thermal protector 9 by harness card slot 16,
The circuit board 2 and copper bus-bar 3 are arranged between 7 body of PTC heat generating cores and upper shell 1, and the PTC heating cores 7 and circuit
Plate 2 is electrically connected.And the thermal protector 9 described in the present embodiment can be temperature detect switch (TDS)；The upper shell 1 includes upper cover in
Shell, the upper cover and middle shell are detachably connected, and two side plates 5 are connect with the middle shell end.The present embodiment passes through in side
Thermal protector 9 is fixed in setting position-limit mechanism 8 in plate 5, and is consolidated to the harness of thermal protector 9 by harness card slot 16
It is fixed, thermal protector 9 is fixed without additional component, it is simple in structure, the volume of the air-conditioning ptc heater is reduced, is saved
Cost.
The embodiment of refinement, as shown in Fig. 2, the position-limit mechanism 8 includes limiting groove 14 and is arranged in limiting groove
The positive stop lug boss 15 for preventing thermal protector 9 from moving in 14, positive stop lug boss 15 are arranged on the central axes of limiting groove 14, limit convex
The both sides tool of platform 15 and limiting groove 14 is at regular intervals, and harness of the spacing for thermal protector 9 passes through, positive stop lug boss 15 with
The bottom tool of limiting groove 14 is at regular intervals, and thermal protector 9 is placed in the spacing, passes through positive stop lug boss 15 and limiting groove
9 clamping of thermal protector is prevented moving up and down for thermal protector 9, while between 14 lower part two side of limiting groove by 14 bottom
Distance be adapted with the size of thermal protector 9, limiting thermal protector 9 by limiting groove 14 two side moves left and right, and leads to
Thermal protector 9 can be entirely limited between side plate 5 and PTC heating cores 7 by crossing the design of this position-limit mechanism 8.Preferably, it is
Connect with external circuit convenient for the harness of thermal protector 9, by the position-limit mechanism 8 be arranged on the side plate 5 it is close described in
One end of upper shell 1, the opening of the limiting groove 14 is towards the end of the side plate 5.
As shown in Figures 2 and 3, the snap device includes buckling parts 18 and plug division 10, and the setting of the buckling parts 18 exists
On the outside of the upper shell 1 or 6 end of bottom plate, the buckling parts 18 has card slot 19, and the plug division 10 is along 5 axis of the side plate
Be arranged in the end of the side plate 5, the plug division 10 have with 19 matched fixture block 17 of card slot, pass through fixture block 17 and card slot
19 cooperation grafting, to be fixed together at 5 both ends of side plate with upper shell 1 and bottom plate 4 respectively.Optimization, it will be described
Harness card slot 16 is arranged on the plug division 10, further decreases the volume of air-conditioning ptc heater.
In addition, in order to which the stepping that solves the problems, such as to converge in existing heater is complicated, air-conditioning PTC heating provided in this embodiment
Device further includes circuit board support 4, as shown in figure 4, the circuit board support 4 is set to the upper shell 1 and the PTC heat generating cores
Between body 7, the circuit board 2 and copper bus-bar 3 are arranged on the circuit board support 4, and the cathode of PTC heating cores 7 passes through copper
Busbar 3 is all converging together, and anode, as desired can be by various combination sum number by the printed circuit on circuit board 2
Purpose PTC heating cores 7 are combined, and power supply circuit is then divided into；And the circuit board support 4 is equipped with high platform 12
With low platform 11, the circuit board 2 be arranged in high platform 12, the copper bus-bar 3 be arranged in low platform 11, circuit board 2 with
Copper bus-bar 3 is arranged with certain altitude difference so that is formed a safe spacing between circuit board 2 and copper bus-bar 3, is improved this
Safety of the air-conditioning ptc heater in electric property；The PTC heating cores 7 are equipped with long pin 22 and short pin 23, described
Long pin 22 is connected into high platform 12 with the circuit board 2, and the short pin 23 enters low platform 11 and 3 phase of the copper bus-bar
Even, to realize the positive and negative anodes separation of PTC heating cores 7 spatially, it ensure that stepping line in the two poles of the earth spacing and effective plane
The flow-resistant capacity on road, the copper bus-bar 3 are equipped with boss 13, and the boss 13 is connect with the circuit board 2, the circuit board 2
It is equipped with the positive terminal hole 20 for drawing cathode circuit and draws the negative terminal hole 21 of cathode traces, the positive and negative two sides of circuit board is adopted
With different printings, thus the PTC heating cores 7 for accessing positive terminal hole 20 are divided equally into different circuits, it is tight to realize
Gather the uniform stepping function of ptc heater under space.Further, the high platform 12 and low platform 11 of the circuit board support 4
On be respectively equipped with guiding groove corresponding with the long pin 22 of the PTC heating cores 7 and short pin 23, the bottom of the guiding groove
Portion is equipped with tapered opening, the peace for being designed with the long and short pin conducive to PTC heating cores of this up-small and down-big tapered opening
Dress, ensures that long and short pin will not bend or deviate after stretching out circuit board support 4, guarantee circuit board 2 or copper bus-bar 3
It is easy for installation.
In conclusion this air-conditioning ptc heater provided by the utility model in side plate by being arranged position-limit mechanism pair
Thermal protector is fixed, and thermal protector is fixed without additional component, simple in structure, reduces air-conditioning PTC heating
The volume of device, at the same PTC heating core cathode is all converging together by copper bus-bar, and anode passes through the printing on circuit board
Circuit as desired can combine various combination sum number purpose PTC heating cores, then be divided into power supply electricity
Road, to realize the uniform stepping function of PTC heating cores.
It is exemplified as above be only to the utility model for example, not constituting to the scope of protection of the utility model
Limitation, within every design same or analogous with the utility model all belongs to the scope of protection of the present invention.
Claims (9)
1. a kind of air-conditioning ptc heater, including several PTC heating cores (7), circuit board (2) and copper bus-bar (3), feature
It is：PTC heating cores (7) top, bottom and both sides are respectively arranged with upper shell (1), bottom plate (6) and two side plates
(5), the inside of two side plates (5) is equipped with position-limit mechanism (8) for installing thermal protector (9), the upper shell (1) and
Bottom plate (6) is connect with the both ends of the side plate (5) by snap device respectively, and the both ends of two side plates (5) are equipped with heat supply
The harness of protector (9) by harness card slot (16), the circuit board (2) and copper bus-bar (3) are arranged in PTC heating cores
(7) between upper shell (1), and the PTC heating cores (7) are electrically connected with circuit board (2).
2. air-conditioning ptc heater as described in claim 1, it is characterised in that：The position-limit mechanism (8) includes limiting groove
(14) and setting is in the interior positive stop lug boss (15) for preventing thermal protector (9) mobile of limiting groove (14), the limiting groove (14)
Opening towards the side plate (5) end.
3. air-conditioning ptc heater as claimed in claim 2, it is characterised in that：The position-limit mechanism (8) is arranged in the side plate
(5) close to one end of the upper shell (1) on.
4. air-conditioning ptc heater as described in claim 1, it is characterised in that：The snap device include buckling parts (18) and
Plug division (10), buckling parts (18) setting is on the outside of the upper shell (1) or bottom plate (6) end, the buckling parts (18)
With card slot (19), the plug division (10) is arranged along the side plate (5) axis in the end of the side plate (5), the grafting
Portion (10) has and card slot (19) matched fixture block (17).
5. air-conditioning ptc heater as claimed in claim 4, it is characterised in that：The harness card slot is arranged in the plug division
On.
6. air-conditioning ptc heater as described in claim 1, it is characterised in that：The upper shell (1) includes upper cover and middle shell,
The upper cover and middle shell are detachably connected, and two side plates (5) connect with the middle shell end.
7. such as claim 1~6 any one of them air-conditioning ptc heater, it is characterised in that：Further include circuit board support (4),
The circuit board support (4) is set between the upper shell (1) and the PTC heating cores (7), the circuit board (2) and
Copper bus-bar (3) is arranged on the circuit board support (4).
8. air-conditioning ptc heater as claimed in claim 7, it is characterised in that：The circuit board support (4) is equipped with high platform
(12) it is arranged in high platform (12) with low platform (11), the circuit board (2), the copper bus-bar (3) is arranged in low platform
(11) on, the PTC heating cores (7) are equipped with long pin (22) and short pin (23), and the long pin (22) enters high platform
(12) it is connected with the circuit board (2), the short pin (23) is connected into low platform (11) with the copper bus-bar (3), described
Copper bus-bar (3) is equipped with boss (13), and the boss (13) connect with the circuit board (2), and the circuit board (2), which is equipped with, draws
Go out the positive terminal hole (20) of cathode circuit and draws the negative terminal hole (21) of cathode traces.
9. air-conditioning ptc heater as claimed in claim 8, it is characterised in that：The high platform (12) of the circuit board support (4)
Be respectively equipped in low platform (11) and the long pin (22) of the PTC heating cores (7) and short pin (23) are corresponding draws
The bottom of guide groove, the guiding groove is equipped with tapered opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820106428.8U CN207893957U (en) | 2018-01-23 | 2018-01-23 | A kind of air-conditioning ptc heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820106428.8U CN207893957U (en) | 2018-01-23 | 2018-01-23 | A kind of air-conditioning ptc heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207893957U true CN207893957U (en) | 2018-09-21 |
Family
ID=63545542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820106428.8U Active CN207893957U (en) | 2018-01-23 | 2018-01-23 | A kind of air-conditioning ptc heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207893957U (en) |
-
2018
- 2018-01-23 CN CN201820106428.8U patent/CN207893957U/en active Active
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