CN112208370A - Charging device - Google Patents
Charging device Download PDFInfo
- Publication number
- CN112208370A CN112208370A CN202010921839.4A CN202010921839A CN112208370A CN 112208370 A CN112208370 A CN 112208370A CN 202010921839 A CN202010921839 A CN 202010921839A CN 112208370 A CN112208370 A CN 112208370A
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- Prior art keywords
- elastic ring
- heat
- power supply
- supply terminal
- sleeve
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
- B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/302—Cooling of charging equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/34—Plug-like or socket-like devices specially adapted for contactless inductive charging of electric vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Abstract
The invention relates to the technical field of charging equipment, and provides charging equipment which comprises: the heat dissipation device comprises a base, a power supply terminal arranged in the base, an insulating heat conduction sleeve sleeved outside the power supply terminal, a heat conduction heat dissipation part sleeved outside the insulating heat conduction sleeve, a first base body, a second base body, a first elastic ring sleeved outside the power supply terminal and a second elastic ring sleeved outside the power supply terminal; the first elastic ring is clamped between one end face of the insulating heat-conducting sleeve and the first seat body, and the second elastic ring is clamped between the other end face of the insulating heat-conducting sleeve and the second seat body. Insulating heat conduction sleeve's one end can cushion through first elastic ring, and insulating heat conduction sleeve's the other end can cushion through second elastic ring, avoids insulating heat conduction sleeve cracked to appear.
Description
Technical Field
The invention belongs to the technical field of charging equipment, and particularly relates to charging equipment.
Background
With the development of new energy technology, electric vehicles are more and more. Currently, a charging gun is generally used for charging an electric automobile. When charging electric automobile, especially when carrying out high-power quick charge, rifle and the charging seat of charging generate heat easily and cause and jump the rifle to lead to stopping charging, carry out the heat dissipation processing through needs to rifle and the charging seat of charging, the outside parcel of the power supply terminal of the charging seat on rifle/electric automobile that charges has heat conduction insulating sleeve to insulate and heat conduction heat dissipation to the power supply terminal. However, if the charging gun/charging seat falls on the ground, the power supply terminal is easy to move/shake along the axial or radial direction relative to the heat-conducting insulating sleeve, and the axial or radial movement/shake of the power supply terminal is easy to damage the insulating heat-conducting sleeve.
Disclosure of Invention
The invention aims to provide a charging device, which aims to solve the technical problem that the heat-conducting insulating sleeve is easy to damage due to axial movement/vibration of the heat-conducting insulating sleeve in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: provided is a charging device including: the heat dissipation device comprises a base, a power supply terminal arranged in the base, an insulating heat conduction sleeve sleeved on the outer side of the power supply terminal, a heat conduction heat dissipation part sleeved on the outer side of the insulating heat conduction sleeve, a first base body, a second base body, a first elastic ring sleeved on the outer side of the power supply terminal and a second elastic ring sleeved on the outer side of the power supply terminal; the first elastic ring is clamped between one end face of the insulating heat-conducting sleeve and the first base body, and the second elastic ring is clamped between the other end face of the insulating heat-conducting sleeve and the second base body.
Furthermore, a first annular flange is arranged at the edge of the first elastic ring, and one end of the insulating heat-conducting sleeve is inserted into a space enclosed by the first elastic ring and the first annular flange; and a second annular flange is arranged at the edge of the second elastic ring, and the other end of the insulating heat-conducting sleeve is inserted in a space surrounded by the second elastic ring and the second annular flange.
Further, the insulating heat-conducting sleeve is a ceramic sleeve, and the ceramic sleeve penetrates through two ends of the heat-conducting heat-radiating piece.
Furthermore, a first cavity is formed in the first base in a recessed mode, the front end of the first elastic ring abuts against the bottom wall of the first cavity, the inner side of the first elastic ring abuts against the power supply terminal, and the first annular flange abuts against the side wall of the first cavity.
Furthermore, the first cavity is provided with a first through hole, the power supply terminal penetrates through the first through hole, and the movable gap of the power supply terminal in the first through hole is smaller than the movable gap of the insulating heat-conducting sleeve between the power supply terminal and the heat-conducting heat-radiating piece.
Furthermore, a second cavity is formed in the second seat body in a recessed mode, the front end of the second elastic ring abuts against the bottom wall of the second cavity, the inner side of the second elastic ring abuts against the power supply terminal, and the second annular flange abuts against the side wall of the second cavity.
Furthermore, a second through hole is formed in the second cavity, the power supply terminal penetrates through the second through hole, and the movable gap of the power supply terminal in the second through hole is smaller than the movable gap of the insulating heat-conducting sleeve between the power supply terminal and the heat-conducting heat-radiating piece.
Further, a first annular rib is formed on the outer side wall of the first annular flange in a protruding mode towards the radial direction of the first elastic ring, and the first annular rib extends along the circumferential direction of the first annular flange; and a second annular rib is formed on the outer side wall of the second annular flange in a manner of protruding outwards in the radial direction of the second elastic ring, and the second annular rib extends along the circumferential direction of the second annular flange.
Furthermore, the number of the first annular ribs is multiple, and the first annular ribs are arranged in parallel; the number of the second annular ribs is multiple, and the second annular ribs are arranged in parallel.
Further, the heat-conducting heat-dissipating member is fixed to the first base and the second base by screws.
The charging equipment provided by the invention has the beneficial effects that: compared with the prior art, the charging equipment provided by the invention has the advantages that the power supply terminal transfers heat to the heat-conducting heat-radiating piece through the insulating heat-conducting sleeve; the charging gun dissipates heat through the heat-conducting heat-dissipating piece; the first elastic ring and the second elastic ring are respectively sleeved on the outer side of the power supply terminal, so that the first elastic ring and the second elastic ring can keep the stability of the relative position between the first elastic ring and the power supply terminal; first elastic ring centre gripping is between insulating heat conduction sleeve's a terminal surface and first pedestal, and the centre gripping of second elastic ring is between insulating heat conduction sleeve's another terminal surface and second pedestal for when power supply terminal causes insulating heat conduction sleeve axial displacement at the plug in-process (or the rifle that charges falls on the ground), insulating heat conduction sleeve's one end can be cushioned through first elastic ring, insulating heat conduction sleeve's the other end can cushion through second elastic ring, avoid insulating heat conduction sleeve to appear cracked.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic front view of a charging device according to an embodiment of the present invention;
fig. 2 is a schematic top view of a thermally conductive heat sink according to an embodiment of the present invention;
fig. 3 is a schematic view illustrating an installation of an insulating and heat-conducting sleeve according to an embodiment of the present invention;
fig. 4 is a schematic view illustrating the installation of a power supply terminal according to an embodiment of the present invention;
FIG. 5 is a schematic view of the mounting of the second annular flange and second annular rib provided by an embodiment of the present invention;
FIG. 6 is a schematic perspective view of a power supply terminal according to an embodiment of the present invention;
FIG. 7 is a perspective view of a first resilient ring according to an embodiment of the present invention;
FIG. 8 is an axial cross-sectional assembled view of a first elastomeric ring provided in accordance with an embodiment of the present invention;
FIG. 9 is a perspective view of a second resilient ring according to an embodiment of the present invention;
FIG. 10 is an axial cross-sectional assembled view of a second elastomeric ring provided in accordance with an embodiment of the present invention;
fig. 11 is a schematic perspective view of a charging stand according to an embodiment of the present invention;
fig. 12 is a schematic perspective view of a charging base with power supply terminals according to an embodiment of the present invention;
fig. 13 is a schematic perspective view of a power supply terminal in a charging stand according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
1-a base; 11-gun head; 2; 2' -a power supply terminal; 3-an insulating heat-conducting sleeve; 4-a thermally conductive heat sink; 511; 511' -a first resilient ring; 512; 512' -a first annular flange; 513; 513' -a first annular rib; 521-a second elastic ring; 522-a second annular flange; 523-second annular bead; 61-a first seat body; 62-a second seat body; 7-charging seat.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 10 together, a charging apparatus according to the present invention will now be described. The charging device includes: the heat-conducting heat-radiating structure comprises a base 1, a power supply terminal 2 arranged in the base 1, an insulating heat-conducting sleeve 3 sleeved outside the power supply terminal 2, a heat-conducting heat-radiating piece 4 sleeved outside the insulating heat-conducting sleeve 3, a first seat body 61, a second seat body 62, a first elastic ring 511 sleeved outside the power supply terminal 2 and a second elastic ring 521 sleeved outside the power supply terminal 2; the first elastic ring 511 is clamped between one end face of the insulating and heat-conducting sleeve 3 and the first seat 61, and the second elastic ring 521 is clamped between the other end face of the insulating and heat-conducting sleeve 3 and the second seat 62.
In this way, the power supply terminal 2 transfers heat to the heat-conducting heat-dissipating member 4 through the insulating heat-conducting sleeve 3; the charging gun radiates heat through the heat-conducting heat-radiating piece 4; the first elastic ring 511 and the second elastic ring 521 are respectively sleeved outside the power supply terminal 2, so that the first elastic ring 511 and the second elastic ring 521 can keep the relative position with the power supply terminal 2 stable; first elastic ring 511 centre gripping is between an end face of insulating heat conduction sleeve 3 and first pedestal 61, second elastic ring 521 centre gripping is between another end face of insulating heat conduction sleeve 3 and second pedestal 62, make power supply terminal 2 in the plug in-process (or the rifle that charges falls on the ground) cause insulating heat conduction sleeve 3 axial displacement, the one end of insulating heat conduction sleeve 3 can cushion through first elastic ring 511, the other end of insulating heat conduction sleeve 3 can cushion through second elastic ring 521, avoid insulating heat conduction sleeve 3 cracked to appear.
Specifically, in one embodiment, the power supply terminal 2 transfers heat to the heat-conductive heat sink 4 through the insulating heat-conductive sleeve 3; the charging equipment radiates heat through the heat conduction and radiation piece 4; the first elastic ring 511 and the second elastic ring 521 are respectively sleeved outside the power supply terminal 2, so that the first elastic ring 511 and the second elastic ring 521 can keep the relative position with the power supply terminal 2 stable; the first elastic ring 511 is clamped between one end face of the insulating heat-conducting sleeve 3 and the first seat body 61, and the second elastic ring 521 is clamped between the other end face of the insulating heat-conducting sleeve 3 and the second seat body 62, so that the relative positions between the first elastic ring 511 and the second elastic ring 521 as well as between the insulating heat-conducting sleeve 3 are stabilized; the stability of the relative position between the power supply terminal 2 and the insulating heat-conducting sleeve 3 is ensured by the action of the first elastic ring 511 and the second elastic ring 521; when the power supply terminal 2 axially/radially moves or shakes during the plugging process (or the charging device falls on the ground), one end of the insulating heat-conducting sleeve 3 can be buffered by the first elastic ring 511, the other end of the insulating heat-conducting sleeve 3 can be buffered by the second elastic ring 521, so that the insulating heat-conducting sleeve 3 is prevented from being cracked, the charging device falls on the ground, the power supply terminal 2 is acted by external force, the power supply terminal 2 is easy to deviate, the insulating heat-conducting sleeve 3 is driven to deviate, the movable gap of the power supply terminal 2 in the through hole of the first cavity is smaller than the movable gap of the insulating heat-conducting sleeve 3 between the power supply terminal 2 and the heat-conducting heat-radiating piece 4, so that the insulating heat-conducting sleeve 3 is prevented from colliding with the heat-conducting heat-radiating piece 4 to be cracked when deviating, and meanwhile, the inner side of the first elastic ring 511, as long as the insulating and heat-conducting sleeve 3 deviates, the first elastic ring 511 and the first annular flange 512 are compressed first, and impact force generated by violent instantaneous deviation of the insulating and heat-conducting sleeve 3 is buffered through reverse elasticity of the elastic ring; in addition, by fixing the first seat body 61, the heat sink, and the second seat body 62, the displacement between the first seat body 61, the heat sink, and the second seat body 62 is reduced, so that the displacement caused by the increase of the shaking due to the effect of the first seat body 61 or the second seat body 62 is avoided as much as possible.
Specifically, in one embodiment, the power supply terminal 2 transfers heat to the heat-conductive heat sink 4 through the insulating heat-conductive sleeve 3; the charging equipment radiates heat through the heat conduction and radiation piece 4; the first elastic ring 511 and the second elastic ring 521 are respectively sleeved outside the power supply terminal 2, so that the first elastic ring 511 and the second elastic ring 521 can keep the relative position with the power supply terminal 2 stable; because the insulating heat-conducting sleeve 3 penetrates through two ends of the heat-conducting heat-dissipating piece 4, the first elastic ring 511 is clamped between one end face of the insulating heat-conducting sleeve 3 and the first seat body 61, and the second elastic ring 521 is clamped between the other end face of the insulating heat-conducting sleeve 3 and the second seat body 62, so that the relative positions between the first elastic ring and the insulating heat-conducting sleeve 3 as well as between the second elastic ring and the insulating heat-conducting sleeve 3 are stable; the stability of the relative position between the power supply terminal 2 and the insulating heat-conducting sleeve 3 is ensured through the action of the first elastic ring and the second elastic ring; when the power supply terminal 2 axially/or radially moves or shakes the insulating heat-conducting sleeve 3 in the plugging process (or when the charging device falls on the ground), one end of the insulating heat-conducting sleeve 3 can be buffered through the first elastic ring 511, and the other end of the insulating heat-conducting sleeve 3 can be buffered through the second elastic ring 521, so that the insulating heat-conducting sleeve 3 is prevented from being cracked. The heat dissipation effect of the power supply terminal 2 through the heat conduction heat dissipation part 4 is better than that of directly conducting the power supply terminal 2 to the air; however, due to the influence of processing and assembly, the insulating heat-conducting sleeve 3 is in clearance fit with the power supply terminal 2 and the heat-conducting heat-dissipating member 4, and in order to dissipate heat better, the clearance should be as small as possible; in one embodiment, the gap between them may be filled with a thermally conductive silicone grease. Specifically, in one embodiment, the charging device may be a charging gun or a charging cradle.
In particular, in one embodiment, the charging device may be a charging gun or charging cradle 7. Specifically, in one embodiment, referring to fig. 11 to 13, the power supply terminal 2 ' is mounted on the charging seat 7, and the first elastic ring 511 ', the first annular flange 512 ', and the first annular rib 513 ' are respectively mounted on the power supply terminal 2 '.
In particular, in one embodiment, the base 1 may be the frame of a charging gun. Specifically, in one embodiment, the base 1 may be the housing of a charging cradle.
Specifically, in one embodiment, the power supply terminal 2 is a male terminal. Specifically, in one embodiment, copper terminals.
Specifically, in one embodiment, the power supply terminal 2 has a cylindrical shape. Specifically, in one embodiment, the number of the power supply terminals 2 is multiple, and the multiple power supply terminals 2 are parallel to each other, so that the multiple power supply terminals 2 can be conveniently plugged in and pulled out.
Specifically, in one embodiment, the heat-conducting heat sink 4 is an integral piece of aluminum material.
Further, referring to fig. 1 to 10, as an embodiment of the charging device provided by the present invention, a first annular flange 512 is disposed at an edge of the first elastic ring 511, and one end of the insulating and heat-conducting sleeve 3 is inserted into a space surrounded by the first elastic ring 511 and the first annular flange 512; the edge of the second elastic ring 521 is provided with a second annular flange 522, and the other end of the insulating and heat-conducting sleeve 3 is inserted into a space surrounded by the second elastic ring 521 and the second annular flange 522. In this way, one end of the insulating and heat-conducting sleeve 3 is inserted into the space enclosed by the first elastic ring 511 and the first annular flange 512, that is, the end surface of one end of the insulating and heat-conducting sleeve 3 is protected by the first elastic ring 511, and the outer circumferential surface of one end of the insulating and heat-conducting sleeve 3 is protected by the first annular rib 513, so that one end of the insulating and heat-conducting sleeve 3 is protected in both axial and radial directions; the other end of the insulating and heat-conducting sleeve 3 is inserted into the space enclosed by the second elastic ring 521 and the second annular flange 522, that is, the end face of the other end of the insulating and heat-conducting sleeve 3 is protected by the second elastic ring 521, and the outer peripheral surface of the other end of the insulating and heat-conducting sleeve 3 is protected by the second annular rib 523, so that the other end of the insulating and heat-conducting sleeve 3 is protected in both the axial direction and the radial direction.
Specifically, in one embodiment, the length of the first annular flange 512 in the axial direction of the heat-conducting sleeve 3 is a first length, and the length of the first elastic ring 511 in the radial direction of the heat-conducting sleeve 3 is a second length, and the first length is greater than the second length. Thus, the first annular rib 513 has a larger contact surface with the heat-conducting sleeve 3 to buffer the radial impact of the heat-conducting sleeve 3.
Specifically, in one embodiment, a first concave cavity is formed in the first seat 61 in a recessed manner, the front end of the first elastic ring 511 abuts against the bottom wall of the first concave cavity, the inner side of the first elastic ring 511 abuts against the power supply terminal 2, and the first annular flange 512 abuts against the side wall of the first concave cavity. As such, the first annular flange 512 and the first resilient ring 511 are confined within the first cavity such that the first annular flange 512 and the first resilient ring 511 are less prone to shifting/wobbling. Be equipped with the through-hole that lets power supply terminal 2 pass in first cavity, because the assembly needs, clearance fit between power supply terminal 2 and the through-hole for power supply terminal 2 takes place to remove or rocks easily in the through-hole, increases its degree of difficulty that appears removing or rock through first elastic ring 511, if remove or when rocking takes place simultaneously, realizes the cushioning effect through first elastic ring 511.
Specifically, in an embodiment, a second cavity is recessed and formed on the second base 62, a front end of the second elastic ring 521 abuts against a bottom wall of the second cavity, an inner side of the second elastic ring 521 abuts against the power supply terminal 2, and the second annular flange 522 abuts against a side wall of the second cavity. As such, the second annular flange 522 and the second resilient ring 521 are confined within the second cavity such that the second annular flange 522 and the second resilient ring 521 are less prone to movement/wobble. Be equipped with the through-hole that supplies power supply terminal 2 to pass in the second cavity, because the assembly needs, clearance fit between power supply terminal 2 and the through-hole for power supply terminal 2 takes place to remove or rocks easily in the through-hole, increases its degree of difficulty that appears removing or rocking through second elastic ring 521, if remove or when rocking takes place simultaneously, realizes cushioning effect through second elastic ring 521.
Further, referring to fig. 1 to 10, as an embodiment of the charging device provided by the present invention, the insulating heat-conducting sleeve 3 is a ceramic sleeve, and the ceramic sleeve penetrates through two ends of the heat-conducting heat sink 4. Thus, the two ends of the heat-conducting heat sink 4 extending out of the ceramic sleeve can be matched with the first seat 61/the second seat 62.
Further, referring to fig. 1 to 10, as an embodiment of the charging device provided by the present invention, a first concave cavity is formed on the first seat 61 in a concave manner, a front end of the first elastic ring 511 abuts against a bottom wall of the first concave cavity, an inner side of the first elastic ring 511 abuts against the power supply terminal 2, and the first annular flange 512 abuts against a side wall of the first concave cavity. Thus, the inner side of the first elastic ring 511 abuts against the power supply terminal 2 to buffer the vibration of the power supply terminal 2 in the radial direction, and the ceramic sleeve on the power supply terminal 2 is prevented from being broken; first annular flange 512 supports and pastes on the lateral wall of first cavity, and first cavity carries on spacingly to first annular flange 512, has promoted the stability of first annular flange 512, has indirectly promoted the stability of power supply terminal 2.
Further, referring to fig. 1 to 10, as an embodiment of the charging device provided by the present invention, the first cavity is provided with a first through hole, the power supply terminal 2 passes through the first through hole, and a moving gap of the power supply terminal 2 in the first through hole is smaller than a moving gap of the insulating heat-conducting sleeve 3 between the power supply terminal 2 and the heat-conducting heat sink 4. So, when power supply terminal 2 shakes in radial direction, heat conduction sleeve 3 can not collide with heat conduction heat dissipation spare 4 and damage.
Further, referring to fig. 1 to 10, as an embodiment of the charging device provided by the present invention, a second cavity is formed on the second seat 62 in a recessed manner, a front end of the second elastic ring 521 abuts against a bottom wall of the second cavity, an inner side of the second elastic ring 521 abuts against the power supply terminal 2, and the second annular flange 522 abuts against a side wall of the second cavity. Thus, the inner side of the second elastic ring 521 abuts against the power supply terminal 2 to buffer the vibration of the power supply terminal 2 in the radial direction, and the ceramic sleeve on the power supply terminal 2 is prevented from being broken; the second annular flange 522 abuts against a side wall of the second cavity, and the second cavity limits the second annular flange 522, so that the stability of the second annular flange 522 is improved, and the stability of the power supply terminal 2 is indirectly improved.
Further, referring to fig. 1 to 10, as an embodiment of the charging device provided by the present invention, the second cavity is provided with a second through hole, the power supply terminal 2 passes through the second through hole, and a moving gap of the power supply terminal 2 in the second through hole is smaller than a moving gap of the insulating heat-conducting sleeve 3 between the power supply terminal 2 and the heat-conducting heat sink 4. So, when power supply terminal 2 shakes in radial direction, heat conduction sleeve 3 can not collide with heat conduction heat dissipation spare 4 and damage.
Further, referring to fig. 1 to 10, as an embodiment of the charging device provided by the present invention, a first concave cavity is formed on the first seat 61 in a concave manner, the first elastic ring 511 abuts against a bottom wall of the first concave cavity, and the first annular flange 512 abuts against a side wall of the first concave cavity. As such, the first annular flange 512 and the first resilient ring 511 are confined within the first cavity such that the first annular flange 512 and the first resilient ring 511 are less prone to vibration/rattle.
Further, referring to fig. 1 to 10, as an embodiment of the charging device provided by the present invention, a second cavity is recessed and formed on the second seat 62, the second elastic ring 521 abuts against a bottom wall of the second cavity, and the second annular flange 522 abuts against a side wall of the second cavity. In this manner, the second annular flange 522 and the second resilient ring 521 are confined within the second cavity such that the second annular flange 522 and the second resilient ring 521 are less prone to vibration/rattle.
Further, referring to fig. 1 to 10, as an embodiment of the charging device provided by the present invention, a first annular rib 513 is formed on an outer side wall of the first annular flange 512 to protrude outward in a radial direction of the first elastic ring 511, and the first annular rib 513 extends along a circumferential direction of the first annular flange 512; the outer side wall of the second annular flange 522 is provided with a second annular rib 523 protruding radially outward of the second elastic ring 521, and the second annular rib 523 extends in the circumferential direction of the second annular flange 522. Thus, the first annular rib 513 annularly arranged on the outer wall of the first annular flange 512 can enhance the contact tightness between the first annular flange 512 and the first seat body 61/external structure; the second annular rib 523, which is annularly disposed on the outer wall of the second annular flange 522, can enhance the tightness of the abutting contact of the second annular flange 522 with the second seat 62/external structure.
Further, referring to fig. 1 to 10, as an embodiment of the charging device provided by the present invention, the number of the first annular ribs 513 is multiple, and the multiple first annular ribs 513 are arranged in parallel; the number of the second annular protruding ribs 523 is plural, and the plural second annular protruding ribs 523 are arranged in parallel to each other.
Further, referring to fig. 1 to 10, as an embodiment of the charging device provided by the present invention, an edge of a cross section of the first annular rib 513 is arc-shaped; the edge of the cross section of the second annular rib 523 is arc-shaped. Thus, when the first annular rib 513 is in contact with the first seat 61/external structure, the surface of the first annular rib 513 having a circular arc shape can facilitate the first annular rib 513 to slide along the surface of the first seat 61/external structure; when the second annular protruding rib 523 contacts with the second seat 62/external structure, the surface of the second annular protruding rib 523 with the arc shape can facilitate the second annular protruding rib 523 to slide along the surface of the second seat 62/external structure.
Further, referring to fig. 1 to 10, as an embodiment of the charging device provided by the present invention, the first elastic ring 511, the first annular flange 512, and the first annular rib 513 are made of silicone and are an integral component; the second elastomeric ring 521, the second annular flange 522, and the second annular rib 523 are a single piece of silicone. Therefore, the silica gel has good elasticity and sealing property.
Further, referring to fig. 1 to 10, as an embodiment of the charging device provided by the present invention, the insulating and heat conducting sleeve 3 is a ceramic integral piece. Therefore, the ceramic has good heat conduction and good ceramic insulation.
Further, referring to fig. 1 to 10, as an embodiment of the charging device provided by the present invention, the heat conducting and dissipating member 4 is fixed to the first seat 61 and the second seat 62 by screws. Thus, the fixing is convenient.
Further, referring to fig. 1 to 10, as an embodiment of the charging device provided by the present invention, an elastic deformation distance of the first elastic ring 511 and the second elastic ring 521 in the extending direction of the power supply terminal 2 is greater than a shaking gap distance of the power supply terminal 2 relative to the first seat 61/the second seat 62. Therefore, the power supply terminal 2 drives the heat-conducting insulating sleeve to shake, and the heat-conducting insulating sleeve can be released by the elastic deformation of the first elastic ring 511 and the second elastic ring 521.
Specifically, in an embodiment, the heat conduction heat dissipation device further includes a gun head 11, and the gun head 11 and the first seat body 61 are fixed on the heat conduction heat dissipation member 4 sequentially by screws.
Specifically, in one embodiment, the edge of the cross-section of the first annular rib 513 is arc-shaped; the edge of the cross section of the second annular rib 523 is arc-shaped. Thus, when the first annular rib 513 is in contact with the first seat 61/external structure, the first annular rib 513 is more easily pressed and deformed to obtain a reverse elastic force, which further increases the elastic force of the first annular flange 512; the surface of the first annular ridge 513 of a circular arc shape can facilitate the sliding of the first annular ridge 513 along the first seat 61/outer structural surface; when the second annular rib 523 contacts with the second seat 62/external structure, the second annular rib 523 is more easily pressed and deformed to obtain a reverse elastic force, so that the elastic force of the second annular flange 522 is further increased; the surface of the circular arc-shaped second annular protruding rib 523 can facilitate the sliding of the second annular protruding rib 523 along the second seat 62/external structure surface.
Specifically, in one embodiment, the first resilient ring 511, the first annular flange 512, and the first annular rib 513 are formed as a single piece of silicone, and the second resilient ring 521, the second annular flange 522, and the second annular rib 523 are formed as a single piece of silicone. Thus, the first elastic ring 511 has good elasticity and sealing performance; the elasticity and the leakproofness of second elastic ring 521 are good.
In particular, in one embodiment, the insulating and heat-conducting sleeve 3 is a single piece made of ceramic. Therefore, the ceramic has good heat conduction and good ceramic insulation.
Specifically, in one embodiment, the elastic deformation distance of the first elastic ring 511 and the second elastic ring 521 in the extending direction of the power supply terminal 2 is greater than the distance that the power supply terminal 2 moves relative to the first seat 61/the second seat 62. Therefore, the power supply terminal 2 drives the insulating heat-conducting sleeve 3 to shake, and the elastic deformation of the first elastic ring 511 and the second elastic ring 521 can be released.
Specifically, in an embodiment, the heat dissipation device further includes a gun head 11, and screws sequentially fix the gun head 11 and the first seat 61 on the heat conduction and dissipation member 4, so as to avoid the power supply terminal 2 from deviating due to a change in relative positions among the gun head 11, the first seat 61, and the heat conduction and dissipation member 4. Since the dropping manner of the charging device is uncertain, the insulating and heat-conducting sleeve 3 may be subjected to only axial or only radial impact force, and the buffering effect can be enhanced by the first elastic ring 511 and the second elastic ring 521, or the first annular flange 512 and the second annular flange 522, and by setting the first annular rib 513 and the second annular rib 523 in the shape of circular arcs.
More than all, it may be the case that the charging device is subjected to a large bending force, and the insulating and heat-conducting sleeve 3 is subjected to both axial and radial impact forces, so that the first elastic ring 511 and the first annular flange 512, the second elastic ring 521 and the second annular flange 522 are required to jointly generate a reverse elastic force to avoid the insulating and heat-conducting sleeve 3 from being broken due to deflection.
Charging equipment receives exogenic action, lead to power supply terminal 2 at the clearance internalization of the through-hole of first cavity, the skew has taken place, thereby it takes place the skew to have driven insulating heat conduction sleeve 3, be greater than the movable gap of power supply terminal 2 at the through-hole of first cavity in the movable gap of power supply terminal 2 between power supply terminal 2 and heat conduction radiating part 4 through setting up insulating heat conduction sleeve 3, no matter how power supply terminal 2 drives insulating heat conduction sleeve 3 and takes place the skew promptly, insulating heat conduction sleeve 3 can not take place hard collision and break with heat conduction radiating part 4. Because the insulating heat-conducting sleeve 3 is in clearance fit with the power supply terminal 2, the clearance is as small as possible for better heat dissipation, but the clearance cannot be avoided, in order to avoid the breakage caused by mutual shaking between the power supply terminal 2 and the insulating heat-conducting sleeve 3, the insulating heat-conducting sleeve 3 is clamped and fixed by arranging the first elastic ring 511 and the second elastic ring 521, so that the insulating heat-conducting sleeve 3 is buffered by reverse elasticity to avoid the breakage when the insulating heat-conducting sleeve 3 deflects, because the first elastic ring 511 and the second elastic ring 521 have elasticity, after the first elastic ring 511 and the second elastic ring 521 are assembled with the insulating heat-conducting sleeve 3, the clearance is smaller than the clearance between the insulating heat-conducting sleeve 3 and the heat-conducting heat-dissipating piece 4, namely when the insulating heat-conducting sleeve 3 deflects to the heat-dissipating piece direction, the first elastic ring 511 or the second elastic ring 521 is contacted first, and the first elastic ring 511 or the second elastic ring 521 can still elastically deform when the insulating heat-conducting sleeve 3 deflects to the maximum, the insulating and heat-conducting sleeve 3 is prevented from being in hard contact with the first elastic ring 511 or the second elastic ring 521, and is always kept in the elastic deformation range.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A charging apparatus, comprising: the heat dissipation device comprises a base, a power supply terminal arranged in the base, an insulating heat conduction sleeve sleeved on the outer side of the power supply terminal, a heat conduction heat dissipation part sleeved on the outer side of the insulating heat conduction sleeve, a first base body, a second base body, a first elastic ring sleeved on the outer side of the power supply terminal and a second elastic ring sleeved on the outer side of the power supply terminal; the first elastic ring is clamped between one end face of the insulating heat-conducting sleeve and the first base body, and the second elastic ring is clamped between the other end face of the insulating heat-conducting sleeve and the second base body.
2. The charging device according to claim 1, wherein an edge of the first elastic ring is provided with a first annular flange, and one end of the insulating and heat-conducting sleeve is inserted into a space surrounded by the first elastic ring and the first annular flange; and a second annular flange is arranged at the edge of the second elastic ring, and the other end of the insulating heat-conducting sleeve is inserted in a space surrounded by the second elastic ring and the second annular flange.
3. The charging apparatus as claimed in claim 2, wherein the insulating heat-conducting sleeve is a ceramic sleeve that extends through both ends of the heat-conducting heat sink.
4. The charging device as claimed in claim 2, wherein the first housing is recessed to form a first cavity, a front end of the first elastic ring abuts against a bottom wall of the first cavity, an inner side of the first elastic ring abuts against the power supply terminal, and the first annular flange abuts against a side wall of the first cavity.
5. The charging apparatus as set forth in claim 4, wherein the first cavity is provided with a first through hole through which the power supply terminal passes, and a movable gap of the power supply terminal in the first through hole is smaller than a movable gap of the insulating heat-conductive sleeve between the power supply terminal and the heat-conductive heat sink.
6. The charging device as claimed in claim 2, wherein a second cavity is formed in the second housing, a front end of the second elastic ring abuts against a bottom wall of the second cavity, an inner side of the second elastic ring abuts against the power supply terminal, and the second annular flange abuts against a side wall of the second cavity.
7. The charging apparatus as set forth in claim 6, wherein the second cavity is provided with a second through hole through which the power supply terminal passes, and a movable gap of the power supply terminal in the second through hole is smaller than a movable gap of the insulating heat-conductive sleeve between the power supply terminal and the heat-conductive heat sink.
8. The charging apparatus as set forth in claim 2, wherein a first annular rib is formed on an outer side wall of the first annular flange so as to project radially outward of the first elastic ring, the first annular rib extending in a circumferential direction of the first annular flange; and a second annular rib is formed on the outer side wall of the second annular flange in a manner of protruding outwards in the radial direction of the second elastic ring, and the second annular rib extends along the circumferential direction of the second annular flange.
9. The charging apparatus as set forth in claim 5, wherein said first annular rib is provided in plural number, and said plural first annular ribs are arranged in parallel with each other; the number of the second annular ribs is multiple, and the second annular ribs are arranged in parallel.
10. The charging apparatus according to any one of claims 1 to 9, wherein the heat-conducting heat sink is fixed to the first housing and the second housing by screws.
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| CN202010921839.4A CN112208370B (en) | 2020-09-04 | 2020-09-04 | Charging device |
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| CN202010921839.4A CN112208370B (en) | 2020-09-04 | 2020-09-04 | Charging device |
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|---|---|
| CN112208370B (en) | 2024-04-05 |
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