CN209516904U - A kind of two-stage LLC resonant converter - Google Patents
A kind of two-stage LLC resonant converter Download PDFInfo
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- CN209516904U CN209516904U CN201822182015.0U CN201822182015U CN209516904U CN 209516904 U CN209516904 U CN 209516904U CN 201822182015 U CN201822182015 U CN 201822182015U CN 209516904 U CN209516904 U CN 209516904U
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- resonant converter
- llc resonant
- main body
- stage llc
- stage
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Abstract
The utility model discloses a kind of two-stage LLC resonant converters, belong to controlled resonant converter field, a kind of two-stage LLC resonant converter, including two-stage LLC resonant converter main body, the lower end of two-stage LLC resonant converter main body is connected with multiple stitch, circuit main board ontology is placed on the downside of two-stage LLC resonant converter main body, it is connected between two-stage LLC resonant converter main body and circuit main board ontology by multiple stitch, cooling blower ontology is connected on the upside of two-stage LLC resonant converter main body, digging on the side wall of two-stage LLC resonant converter main body has a pair of of limit sliding chutes, limit slide bar is respectively connected between the side wall of two limit sliding chutes, position limiting slide block is plugged on limit slide bar, compressed spring is connected between position limiting slide block and the upper side wall for limiting slide bar, it may be implemented to be easy to protect second-hand second level The stitch of LLC resonance converter makes it be not easy to be damaged during carrying and transport, is not easy to influence the subsequent use of second-hand second level LLC resonance converter.
Description
Technical field
The utility model relates to controlled resonant converter fields, more specifically to a kind of two-stage LLC resonant converter.
Background technique
LLC resonance converter is one of main power stage topology of ledtv, has more advantages compared to other converters, but
Because it designs complicated difficulty, it is being little affected by concern in the past, but, between several years, ic manufacturer, which has developed, to be used for for this
The controller of LLC resonance converter, and many description of Related Art and design tool have been delivered, allow its design to become more to hold
Easily, and this technology is made to obtain more concerns, present LLC resonance converter has become the most popular main power of ledtv
Grade topology.
In existing technology, connected between LLC resonance converter and circuit main board by stitch, it is humorous for completely new LLC
It shakes for converter, LLC resonance converter can be solved by packaging during LLC resonance converter transports and carries and existed
The problems such as colliding in carrying process, for the second-hand LLC resonance converter disassembled on those mainboards from damage, work
Make personnel and provides more complete packaging again to solve the carrying problem of second-hand LLC resonance converter, it can be with for those
For the second-hand LLC resonance converter continued to use, the daily carrying and transport of staff easily causes second-hand LLC resonance to turn
Parallel operation damage.
Utility model content
1. technical problems to be solved
Aiming at the problems existing in the prior art, the purpose of this utility model is to provide a kind of two-stage LLC resonant transformations
Device, it may be implemented to be easy to protect second-hand second level LLC resonance converter, it is made to be not easy to damage during carrying and transport
It is bad, it is not easy to influence the subsequent use of second-hand second level LLC resonance converter.
2. technical solution
To solve the above problems, the utility model adopts the following technical scheme.
A kind of two-stage LLC resonant converter, including two-stage LLC resonant converter main body, the two-stage LLC resonant converter
The lower end of main body is connected with multiple stitch, and circuit main board ontology, institute are placed on the downside of the two-stage LLC resonant converter main body
It states and is connected between two-stage LLC resonant converter main body and circuit main board ontology by multiple stitch, the two-stage LLC resonant transformation
Cooling blower ontology is connected on the upside of device main body, digging on the side wall of the two-stage LLC resonant converter main body has a pair of of limit
Position sliding slot, is respectively connected with limit slide bar between the side wall of two limit sliding chutes, and limit cunning is plugged on the limit slide bar
Block is connected with compressed spring between the position limiting slide block and the upper side wall for limiting slide bar, and compressed spring is socketed in limit slide bar
On, outside protecting frame, and outside protecting frame and two position limiting slide blocks are socketed on the outside of the two-stage LLC resonant converter main body
Between be to be fixedly connected, be connected with silica gel protective pad on the downside of the outside protecting frame, may be implemented to be easy to protect second-hand two
The stitch of grade LLC resonance converter, makes it be not easy to be damaged during carrying and transport, is not easy to influence second-hand second level
The subsequent use of LLC resonance converter.
Further, a pair of of rubber locking ball is connected in the silica gel protective pad, digging on the outside protecting frame has
A pair of master positioning hole to match with rubber locking ball, silica gel protective pad can lock ball and master positioning hole and outside by rubber
Protecting frame is fixedly connected, and staff is facilitated to mount and dismount.
Further, the upper end of the two-stage LLC resonant converter main body, which is dug, has a pair to match with rubber locking ball
Secondary location hole, the silica gel protective pad can lock ball and master positioning hole by rubber and be connected to two-stage LLC resonant converter
The thermal conductivity of the upper end of main body, silica gel protective pad is preferable, can be by finger after the installation of two-stage LLC resonant converter main body
Slot is connected to the upside of two-stage LLC resonant converter main body, i.e., two-stage LLC resonant converter main body and cooling blower ontology it
Between, it can be radiated with supplement heat rejecter fan body to two-stage LLC resonant converter main body.
Further, the silica gel protective pad is dug far from one end of rubber locking ball a pair of finger slot, staff
Finger can be protruded into finger groove, silica gel protective pad is lifted, staff is facilitated to dismantle silica gel protective pad.
Further, it is equipped with metal protection protector on the inner wall of the finger groove, the metal protection protector and finger groove
Inner wall is fixedly connected, and metal protection protector can protect finger groove, and finger groove is made to be not easy to be broken because of the lifting of staff,
The damage of finger groove is not easily caused.
Further, the outer surface of the outside protecting frame, which is opened, is equipped with frosted layer, increases outside protecting frame and work people
Frictional force between member's finger facilitates staff to push outside protecting frame, makes outside protecting frame be not easy to skid, is not easy to influence work
Make personnel two-stage LLC resonant converter main body is mounted on circuit main board ontology.
3. beneficial effect
Compared with the prior art, utility model has the advantages that
(1) stitch for being easy to protect second-hand second level LLC resonance converter may be implemented, make its be not easy carry and transport
It is damaged in the process, is not easy to influence the subsequent use of second-hand second level LLC resonance converter.
(2) a pair of of rubber locking ball is connected in silica gel protective pad, digging on the protecting frame of outside has a pair of and rubber to lock
The master positioning hole that ball matches, silica gel protective pad can lock ball and master positioning hole and the fixed company of outside protecting frame by rubber
It connects, staff is facilitated to mount and dismount.
(3) upper end of two-stage LLC resonant converter main body, which is dug, a pair of secondary location hole to match with rubber locking ball,
Silica gel protective pad ball can be locked by rubber and master positioning hole is connected to the upper end of two-stage LLC resonant converter main body, silica gel
The thermal conductivity of neonychium is preferable, and after the installation of two-stage LLC resonant converter main body, finger groove can be connected to two-stage LLC
It, can be with supplement heat rejecter wind between the upside of controlled resonant converter main body, i.e. two-stage LLC resonant converter main body and cooling blower ontology
Machine ontology radiates to two-stage LLC resonant converter main body.
(4) silica gel protective pad is dug far from one end of rubber locking ball a pair of finger slot, and staff can be by finger
It protrudes into finger groove, silica gel protective pad is lifted, staff is facilitated to dismantle silica gel protective pad.
(5) metal protection protector is equipped on the inner wall of finger groove, metal protection protector is fixedly connected with the inner wall of finger groove, gold
Belonging to protective case can protect finger groove, makes finger groove be not easy to be broken because of the lifting of staff, does not easily cause finger groove
Damage.
(6) outer surface of outside protecting frame, which is opened, is equipped with frosted layer, increases between outside protecting frame and staff's finger
Frictional force, facilitate staff push outside protecting frame, make outside protecting frame be not easy to skid, be not easy to influence staff for two
Grade LLC resonant converter main body is mounted on circuit main board ontology.
Detailed description of the invention
Fig. 1 is front section view when not installing of the utility model；
Fig. 2 is the structural schematic diagram in Fig. 1 at A；
Fig. 3 is the structural schematic diagram in Fig. 1 at B；
Fig. 4 is front section view when installing on circuit boards of the utility model；
Fig. 5 is bottom view when the utility model is not installed.
Figure label explanation:
1 two-stage LLC resonant converter main body, 2 stitch, 3 limit sliding chutes, 4 limit slide bars, 5 position limiting slide blocks, 6 compressed springs,
7 outside protecting frames, 8 silica gel protective pads, 9 rubber locking ball, 10 master positioning holes, 11 secondary location holes, 12 finger grooves, 13 circuit main boards
Ontology, 14 cooling blower ontologies.
Specific embodiment
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；Obviously, 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
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside", " top/bottom end " etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model
It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.In addition, term " first ", " second " are only used for description mesh
, it is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " being provided with ", " be arranged/connect ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, can also be with
It is to be detachably connected, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be with
Indirectly connected through an intermediary, it can be the connection inside two elements.For the ordinary skill in the art, may be used
The concrete meaning of above-mentioned term in the present invention is understood with concrete condition.
Embodiment 1:
Referring to Fig. 4, a kind of two-stage LLC resonant converter, including two-stage LLC resonant converter main body 1, two-stage LLC is humorous
The lower end of vibration changer body 1 is connected with multiple stitch 2, and the downside of two-stage LLC resonant converter main body 1 is placed with circuit main board
Ontology 13, is connected between two-stage LLC resonant converter main body 1 and circuit main board ontology 13 by multiple stitch 2, and two-stage LLC is humorous
The upside of vibration changer body 1 is connected with cooling blower ontology 14, and cooling blower ontology 14 can be to two-stage LLC resonant converter
Main body 1 carries out auxiliary heat dissipation, makes two-stage LLC resonant converter main body 1 be not easy to damage because own temperature is excessively high, please refers to
Fig. 1-3, digging on the side wall of two-stage LLC resonant converter main body 1 has a pair of of limit sliding chutes 3, for connecting limit in limit sliding chutes 3
Position slide bar 4 and position limiting slide block 5 is respectively connected with limit slide bar 4 between the side wall of two limit sliding chutes 3, and limit slide bar 4 can limit
Position limiting slide block 5 slides, and makes position limiting slide block 5 be not easy to skid off out of limit sliding chutes 3, while limiting slide bar 4 to protect compression
Spring 6 makes compressed spring 6 be not susceptible to inoperative to deformation, is hardly damaged compressed spring 6, and it is limited to limit grafting on slide bar 4
Position sliding block 5, position limiting slide block 5 can drive outside protecting frame 7 to slide up and down along the direction of limit slide bar 4, position limiting slide block 5 and limit
Compressed spring 6 is connected between the upper side wall of slide bar 4, and compressed spring 6 is socketed on limit slide bar 4, two-stage LLC resonant transformation
The outside of device main body 1 is socketed with outside protecting frame 7, and is to be fixedly connected between outside protecting frame 7 and two position limiting slide blocks 5,
The downside of outside protecting frame 7 is connected with silica gel protective pad 8, outside protecting frame 7 and silica gel protective pad 8 for protecting stitch 2, makes needle
Foot 2 is not easy phenomena such as being not easy to be oppressed by foreign object during transporting and carrying, bending fracture occurs, circuit main board ontology 13 and cold
But fan body 14 is both needed to related fields staff and selects suitable model, and cooling blower ontology 14 is connected with control mainboard,
Control mainboard is connected with control panel, and control panel is connected with power supply.
A pair of of rubber locking ball 9 is connected in silica gel protective pad 8 referring to FIG. 1-2, digging on outside protecting frame 7 has one
To the master positioning hole 10 to match with rubber locking ball 9, silica gel protective pad 8 can lock ball 9 and master positioning hole 10 by rubber
It is fixedly connected with outside protecting frame 7, staff is facilitated to mount and dismount, the one end of silica gel protective pad 8 far from rubber locking ball 9
Cutting has a pair of finger slot 12, and finger can be protruded into finger groove 12, be lifted to silica gel protective pad 8 by staff, side
Just staff dismantles silica gel protective pad 8, is equipped with metal protection protector, metal protection protector and finger groove on the inner wall of finger groove 12
12 inner wall is fixedly connected, and metal protection protector can protect finger groove 12, is not easy finger groove 12 due to the lifting of staff
It is broken, does not easily cause the damage of finger groove 12, the outer surface of outside protecting frame 7, which is opened, is equipped with frosted layer, increases outside and protects
The frictional force between frame 7 and staff's finger is protected, staff is facilitated to push outside protecting frame 7, is not easy outside protecting frame 7
It skids, being not easy, which influences staff, is mounted on two-stage LLC resonant converter main body 1 on circuit main board ontology 13.
Fig. 3-4 is please referred to, the upper end of two-stage LLC resonant converter main body 1, which is dug, has a pair to match with rubber locking ball 9
Secondary location hole 11, silica gel protective pad 8 can lock ball 9 and master positioning hole 10 by rubber and be connected to two-stage LLC resonant transformation
The thermal conductivity of the upper end of device main body 1, silica gel protective pad 8 is preferable, after the installation of two-stage LLC resonant converter main body 1, can incite somebody to action
Finger groove 12 is connected to the upside of two-stage LLC resonant converter main body 1, i.e. two-stage LLC resonant converter main body 1 and cooling blower
Between ontology 14, it can be radiated with supplement heat rejecter fan body 14 to two-stage LLC resonant converter main body 1.
During two-stage LLC resonant converter main body 1 carries and transports, Fig. 1-3 is please referred to, is protected on the outside at this time
Stitch 2 can be made to be not easy that direct collision occurs with extraneous hard object under the protection of frame 7 and silica gel protective pad 8, be not susceptible to stitch 2
Bend fracture, and under the action of being in the limit slide bar 4 of compressive state, outside protecting frame 7 is easy to keep shape shown in FIG. 1
State is easy to protect the safety of stitch 2, after two-stage LLC resonant converter main body 1 is mounted on circuit main board ontology 13, please join
Fig. 4 is read, silica gel protective pad 8 is mounted between two-stage LLC resonant converter main body 1 and cooling blower ontology 14 at this time, Ke Yifu
It helps cooling blower ontology 14 to radiate two-stage LLC resonant converter main body 1, makes the work of two-stage LLC resonant converter main body 1
Be not easy as temperature it is excessively high, when two-stage LLC resonant converter main body 1 is disassembled from circuit main board ontology 13, when recycling,
Silica gel protective pad 8 can be removed, be reinstalled again using the matching of rubber locking ball 9 and master positioning hole 10 to outside protecting frame 7
Lower end, protect stitch 2 together with outside protecting frame 7, realize the stitch 2 for being easy to protect second-hand second level LLC resonance converter, make
It is not easy to be damaged during carrying and transport, is not easy to influence the subsequent use of second-hand second level LLC resonance converter.
The preferable specific embodiment of the above, only the utility model；But the protection scope of the utility model is not
It is confined to this.Anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its improvement design is subject to equivalent substitution or change, should all cover in the protection scope of the utility model
It is interior.
Claims (6)
1. a kind of two-stage LLC resonant converter, including two-stage LLC resonant converter main body (1), the two-stage LLC resonant transformation
The lower end of device main body (1) is connected with multiple stitch (2), is placed with circuit on the downside of the two-stage LLC resonant converter main body (1)
Mainboard ontology (13) passes through multiple stitch between the two-stage LLC resonant converter main body (1) and circuit main board ontology (13)
(2) it connects, is connected with cooling blower ontology (14) on the upside of the two-stage LLC resonant converter main body (1), it is characterised in that:
Digging on the side wall of the two-stage LLC resonant converter main body (1) has a pair of of limit sliding chutes (3), two limit sliding chutes (3)
Side wall between be respectively connected with limit slide bar (4), be plugged with position limiting slide block (5), the position limiting slide block on the limit slide bar (4)
(5) it is connected with compressed spring (6) between the upper side wall of limit slide bar (4), and compressed spring (6) is socketed in limit slide bar (4)
On, outside protecting frame (7), and outside protecting frame (7) and two are socketed on the outside of the two-stage LLC resonant converter main body (1)
It is to be fixedly connected between a position limiting slide block (5), is connected with silica gel protective pad (8) on the downside of the outside protecting frame (7).
2. a kind of two-stage LLC resonant converter according to claim 1, it is characterised in that: on the silica gel protective pad (8)
It is connected with a pair of of rubber locking ball (9), cutting has a pair of and rubber locking ball (9) to match on the outside protecting frame (7)
Master positioning hole (10).
3. a kind of two-stage LLC resonant converter according to claim 1 or 2, it is characterised in that: the two-stage LLC resonance
The upper end of changer body (1), which is dug, a pair of secondary location hole (11) to match with rubber locking ball (9), described silica gel protected
Pad (8) can lock the upper end that ball (9) and master positioning hole (10) are connected to two-stage LLC resonant converter main body (1) by rubber.
4. a kind of two-stage LLC resonant converter according to claim 1, it is characterised in that: the silica gel protective pad (8) is remote
One end from rubber locking ball (9), which is dug, a pair of finger slot (12).
5. a kind of two-stage LLC resonant converter according to claim 4, it is characterised in that: the finger groove (12) it is interior
Metal protection protector is equipped on wall, the metal protection protector is fixedly connected with the inner wall of finger groove (12).
6. a kind of two-stage LLC resonant converter according to claim 1, it is characterised in that: the outside protecting frame (7)
Outer surface, which is opened, is equipped with frosted layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822182015.0U CN209516904U (en) | 2018-12-25 | 2018-12-25 | A kind of two-stage LLC resonant converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822182015.0U CN209516904U (en) | 2018-12-25 | 2018-12-25 | A kind of two-stage LLC resonant converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209516904U true CN209516904U (en) | 2019-10-18 |
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ID=68196752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822182015.0U Expired - Fee Related CN209516904U (en) | 2018-12-25 | 2018-12-25 | A kind of two-stage LLC resonant converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209516904U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111054267A (en) * | 2019-12-27 | 2020-04-24 | 广州建盛建材有限公司 | Utilize phenol-formaldehyde resin waste water preparation concrete water-reducing agent device |
-
2018
- 2018-12-25 CN CN201822182015.0U patent/CN209516904U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111054267A (en) * | 2019-12-27 | 2020-04-24 | 广州建盛建材有限公司 | Utilize phenol-formaldehyde resin waste water preparation concrete water-reducing agent device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191018 Termination date: 20191225 |