CN216903413U - Liquid cooling terminal and rifle that charges - Google Patents
Liquid cooling terminal and rifle that charges Download PDFInfo
- Publication number
- CN216903413U CN216903413U CN202123449113.4U CN202123449113U CN216903413U CN 216903413 U CN216903413 U CN 216903413U CN 202123449113 U CN202123449113 U CN 202123449113U CN 216903413 U CN216903413 U CN 216903413U
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- Prior art keywords
- liquid
- cavity
- liquid outlet
- hole
- pin
- Prior art date
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- Withdrawn - After Issue
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 186
- 238000001816 cooling Methods 0.000 title claims abstract description 24
- 239000000110 cooling liquid Substances 0.000 claims abstract description 20
- 238000003780 insertion Methods 0.000 claims description 17
- 230000037431 insertion Effects 0.000 claims description 17
- 230000002093 peripheral effect Effects 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 2
- 230000013011 mating Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000002826 coolant Substances 0.000 description 11
- 238000002788 crimping Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a liquid cooling terminal and a charging gun, wherein the liquid cooling terminal comprises: the contact pin shell is provided with a containing cavity, and a liquid inlet hole and a liquid outlet hole which are communicated with the containing cavity; the liquid inlet pipe is arranged in the liquid inlet hole and is communicated with the containing cavity; the liquid outlet pipe is arranged in the liquid outlet hole and is communicated with the cavity; and the contact pin inner core is connected with the accommodating cavity and comprises a plug-in part, the plug-in part is of a plate-shaped structure and is inserted into the accommodating cavity from the liquid outlet hole, a gap exists between the contact pin inner core and the inner wall of the contact pin shell to form a liquid flow channel so as to communicate the liquid inlet pipe with the liquid outlet pipe, and cooling liquid flows from the liquid inlet pipe, the liquid flow channel and the liquid outlet pipe to cool the contact pin inner core. The technical scheme of the utility model is more beneficial to the circulation of the cooling liquid and the rapid cooling of the inner core of the contact pin.
Description
Technical Field
The utility model relates to the technical field of charging guns, in particular to a liquid cooling terminal and a charging gun comprising the same.
Background
When the charging gun is used for charging an electric automobile at high power, the charging terminal of the charging gun or the charging seat and the cable conductor can generate heat due to self resistance, particularly, a copper wire is connected with the terminal in a crimping mode, and the crimping position is generally high in temperature rise due to contact resistance, so that potential safety hazards exist.
In the prior art, the charging terminal of the charging gun or the charging seat can not effectively cool the crimping position of the terminal, and the crimping area can not be effectively cooled by simply relying on natural heat dissipation.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a liquid cooling terminal, and aims to solve the technical problem that the heating area of the conventional charging terminal cannot be effectively cooled.
In order to achieve the above object, the present invention provides a liquid cooling terminal, including:
the contact pin shell is provided with a containing cavity, and a liquid inlet hole and a liquid outlet hole which are communicated with the containing cavity;
the liquid inlet pipe is arranged in the liquid inlet hole and is communicated with the containing cavity;
the liquid outlet pipe is arranged in the liquid outlet hole and is communicated with the accommodating cavity; and
the contact pin inner core is connected with the accommodating cavity and comprises a plug-in part, the plug-in part is of a plate-shaped structure and is inserted into the accommodating cavity from the liquid outlet hole, a gap is formed between the contact pin inner core and the inner wall of the contact pin shell to form a liquid flow channel so as to communicate the liquid inlet pipe with the liquid outlet pipe, and the flow of cooling liquid from the liquid inlet pipe, the liquid flow channel and the liquid outlet pipe is realized, so that the contact pin inner core is cooled, particularly a crimping area of the contact pin inner core and a lead is cooled.
Optionally, the pin inner core further includes a wiring portion connected to the insertion portion, and the wiring portion extends out of the cavity.
Optionally, grafting portion still is provided with the joint piece, the joint piece protrusion grafting portion sets up, just the lateral wall laminating of joint piece holds the intracavity wall, grafting portion deviates from the one side of joint piece is provided with the fixed block, the fixed block with the one side butt that the joint piece deviates from mutually is in hold on the intracavity wall, make the contact pin inner core with contact pin casing realizes the interference and connects.
Optionally, a gap exists between the side surface of the fixed block and the inner wall of the cavity to form the liquid flow channel, so that liquid can smoothly flow through the liquid flow channel.
Optionally, the liquid cooling terminal is further including connecting in the setting element of contact pin casing, the one end of setting element stretches into hold the intracavity and with the contact pin inner core is connected, in order to restrict the contact pin inner core rotates.
Optionally, the positioning element is a plug pin, a jack matched with the plug pin is arranged on the outer peripheral surface of the insertion part, and one end of the plug pin extends into the accommodating cavity and is inserted into the jack.
Optionally, the contact pin shell is further connected with a switching part, the switching part is arranged at the liquid inlet hole and is provided with a liquid inlet channel with a communication hole, and the liquid inlet channel is communicated with the liquid inlet hole; and
the adapter is in including switching pipe and setting the portion of keeping off that separates of switching pipe outer peripheral face, the switching pipe is in the both sides that separate the portion of keeping off form first sub-switching pipe and the sub-switching pipe of second respectively, wherein, first sub-switching pipe with the intercommunicating pore of feed liquor passageway is connected, the feed liquor pipe box is established the outer peripheral face of the sub-switching pipe of second is connected with the fastener.
Optionally, the contact pin shell includes a liquid outlet end, the liquid outlet hole is opened in the liquid outlet end, the liquid outlet pipe is sleeved on the outer peripheral surface of the liquid outlet end and sleeved with the fastening ring, and the liquid outlet pipe is communicated with the accommodating cavity through the liquid outlet hole.
Optionally, the adaptor portion is further provided with an additional hole communicated with the liquid inlet channel, and the additional hole is further connected with a plugging piece for opening or closing the additional hole.
The utility model also provides a charging gun, which comprises the liquid cooling terminal.
The technical scheme of the utility model can be used for inserting the contact pin inner core by arranging the contact pin shell, specifically, the contact pin shell is provided with the cavity for accommodating the contact pin inner core, and a liquid flow channel is formed by a gap between the inner core and the inner wall of the cavity. The contact pin shell is further connected with the liquid inlet pipe and the liquid outlet pipe which are communicated with the liquid flow channel, and the contact pin inner core is cooled by the flowing of the cooling liquid from the liquid inlet pipe, the liquid flow channel and the liquid outlet pipe. And the grafting portion of contact pin inner core is platelike structure, increases the area of contact with the coolant liquid, more is favorable to coolant liquid circulation and contact pin inner core rapid cooling.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of a liquid-cooled terminal according to an embodiment of the present invention;
FIG. 2 is an exploded view of a liquid-cooled terminal according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a liquid-cooled terminal according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a pin core according to an embodiment of the liquid-cooled terminal of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | Pin shell | 5 | |
| 11 | Containing |
51 | |
| 12 | |
6 | Switching |
| 13 | |
61 | |
| 2 | Liquid inlet pipe | 62 | Communicating |
| 3 | Liquid outlet pipe | 63 | |
| 31 | Fastening |
64 | |
| 4 | Pin |
71 | |
| 41 | Plug-in |
711 | |
| 42 | |
712 | |
| 43 | |
72 | Baffle |
| 44 | Fixed |
73 | Fastening piece |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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 at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a liquid cooling terminal.
In the prior art, when the charging gun is used for charging an electric automobile at a high power, the charging terminal and the cable conductor of the charging gun or the charging seat generate heat due to self resistance, particularly, a copper wire is connected with the terminal in a crimping mode, and the crimping position generally has a large temperature rise due to contact resistance, so that potential safety hazards exist. And the charging terminal of rifle or the charging seat of charging at present can't carry out effectual cooling to the crimping position of terminal, relies on the natural heat dissipation alone and hardly realizes the regional effective cooling of crimping.
In order to solve the technical problem, the technical scheme of the utility model is that the liquid cooling terminal is provided with the pin shell which can be used for inserting the pin inner core. The contact pin shell is further connected with the liquid inlet pipe and the liquid outlet pipe which are communicated with the liquid flow channel, and the contact pin inner core is cooled by the flowing of the cooling liquid from the liquid inlet pipe, the liquid flow channel and the liquid outlet pipe. And the inserting part of the contact pin inner core is of a plate-shaped structure, so that the contact area between the inserting part and the cooling liquid is increased, and the circulation of the cooling liquid and the rapid cooling of the contact pin inner core are facilitated. And then solve the technical problem that the cooling effect of the charging terminal of the present charging gun or charging seat is not good, and the charging terminal is especially suitable for the condition of charging the electric automobile at high power.
The above technical solution is described in detail with reference to the accompanying drawings.
In an embodiment of the present invention, as shown in fig. 1 to 4, the liquid-cooled terminal includes:
the pin shell 1 is provided with a cavity 11, and a liquid inlet hole 12 and a liquid outlet hole 13 which are communicated with the cavity 11;
the liquid inlet pipe 2 is arranged in the liquid inlet hole 12 and is communicated with the cavity 11;
the liquid outlet pipe 3 is arranged at the liquid outlet hole 13 and is communicated with the cavity 11; and
the contact pin inner core 4 is connected with the cavity 11, the contact pin inner core 4 comprises a plug-in part 41, the plug-in part 41 is of a plate-shaped structure and is inserted into the cavity 11 from the liquid outlet hole 13, a gap exists between the contact pin inner core 4 and the inner wall of the contact pin shell 1 to form a liquid flow channel so as to communicate the liquid inlet pipe 2 and the liquid outlet pipe 3, and the contact pin inner core 4 is cooled by the flowing of cooling liquid from the liquid inlet pipe 2, the liquid flow channel and the liquid outlet pipe 3.
In practice, the pin housing 1 and the pin core 4 may be made of a metal conductive material, such as copper alloy or pure copper, and generally need to be surface-treated with nickel plating, silver plating, etc. to improve the conductivity. The pin housing 1 may be used to mount a pin core 4, the pin core 4 being used to connect with a cable. The pin housing 1 is provided with a cavity 11 for connecting and accommodating the pin core 4. Wherein, 41 plate-shaped structures on the plugging part of the pin inner core 4 are completely soaked in the cooling liquid, which is more beneficial to the heat dissipation of the pin inner core 4. Specifically, the cooling liquid flows into the cavity 11 from the liquid inlet pipe 2, flows along the liquid flow channel, and finally flows out from the liquid outlet pipe 3. The heat that can produce contact pin inner core 4 in the flow in-process of coolant liquid is taken away, and the grafting portion 41 of contact pin inner core 4 soaks completely in the coolant liquid, more is favorable to the heat exchange of coolant liquid and contact pin inner core 4, makes contact pin inner core 4 further cool down, improves the efficiency of cooling.
In this embodiment, the pin core 4 is fixedly connected to the cavity 11 of the pin housing 1, and a gap exists between the pin core 4 and the inner wall of the cavity 11, which can be implemented in such a manner that the width and thickness of the insertion portion 41 of the pin core 4 are smaller than the inner diameter of the cavity 11, so that a gap is formed between the pin core 4 and the pin housing 1, and a liquid flow channel is further formed. In addition, the pin core 4 can be fixed to the pin housing 1 by welding or screwing, and it should be understood that a flow channel formed by a gap is also provided at the joint of the two. For example, the outer side surface of the pin inner core 4 is connected with the inner wall of the cavity 11 through a connecting column, so that the connection effectiveness of the pin inner core and the cavity can be ensured, and the flowing of cooling liquid cannot be influenced. One end of the contact pin shell 1, which is far away from the liquid outlet hole 13, is of a cylindrical structure, and the diameter of the end part of the contact pin shell is gradually reduced and is used for being plugged in other structures for charging. And still the protrusion is provided with the snap ring at the lateral surface of cylinder structure, improves the intensity that the grafting was charged. In this embodiment, the cooling liquid may be an insulating liquid having a good thermal conductivity, such as any one of transformer oil, capacitor oil, cable oil, silicone oil, or mineral oil.
Optionally, the pin core 4 further includes a wiring portion 42 connected to the insertion portion 41, and the wiring portion 42 extends out of the cavity 11.
In the specific implementation process, the wiring portion 42 is located outside the cavity 11 and in the liquid outlet pipe 3, and the heat is dissipated by the flow of the cooling liquid. It will be appreciated that a gap is also formed between the wire connecting portion 42 and the inner wall of the liquid outlet pipe 3 to form a liquid flow channel for the flow of the cooling liquid. In this embodiment, the wire connecting portion 42 of the pin core 4 and the inserting portion 41 are also connected by a connecting portion, in particular, the outer side surfaces of the wire connecting portion 42 and the connecting portion are circumferential surfaces, and the outer diameter of the connecting portion is smaller than that of the wire connecting portion 42, so as to ensure the smooth flow of the cooling liquid.
Further, grafting portion 41 still is provided with joint piece 43, and joint piece 43 protrudes grafting portion 41 and sets up, and the lateral wall laminating of joint piece 43 holds the chamber 11 inner wall, and grafting portion 41 deviates from the one side of joint piece 43 and is provided with fixed block 44, and fixed block 44 and the one side butt that joint piece 43 deviates from mutually hold on the chamber 11 inner wall, make contact pin inner core 4 and contact pin casing 1 realize the interference and be connected.
In this embodiment, as shown in fig. 4, since the inserting part 41 has a plate-like structure, a clamping block 43 protrudes from a plane of the inserting part 41. Specifically, the side of the clamping block 43 departing from the plane is arc-shaped and attached to the inner wall of the accommodating cavity 11. In the specific implementation process, liquid inlet hole 12 is located the lateral wall of contact pin casing 1, contact pin inner core 4 pegs graft to holding the chamber 11 after, joint piece 43 is located between liquid inlet hole 12 and liquid outlet hole 13, the coolant liquid that gets into by liquid inlet hole 12, because joint piece 43 and holding chamber 11 interference fit are connected, there is not clearance between the two to supply the coolant liquid to flow, the coolant liquid flows to the direction of keeping away from liquid outlet hole 13 along the plane of contact pin inner core 4 in joint piece 43 one side from this, reach and hold the chamber 11 bottom after, flow to liquid outlet hole 13 direction along one side that contact pin inner core 4 deviates from joint piece 43, in order to soak whole grafting portion 41 in the coolant liquid completely, and take away the heat that produces. In addition, the fixing block 44 is located on the plane of the inserting part 41 departing from the clamping block 43, and the height of the fixing block 44 can ensure that the fixing block 44 abuts against the inner wall of the accommodating cavity 11. Therefore, the clamping block 43 and the fixing block 44 on the pin inner core 4 are abutted against the inner wall of the cavity 11, so that the pin inner core 4 and the pin shell 1 are in interference connection. In addition, the width of the fixing block 44 is smaller than the width of the insertion part 41, and the length direction is consistent with the extending direction of the insertion part 41 and does not exceed the length of the cavity 11 and the insertion part 41. In order to improve the strength of the pin core 4, the clamping block 43, the fixing block 44 and the insertion part 41 are integrally formed.
Further, a gap exists between the side surface of the fixing block 44 and the inner wall of the cavity 11 to form a liquid flow channel, so that the liquid can smoothly flow through the liquid flow channel. It will be appreciated that a gap is formed between the two sides of the fixed block 44 in the direction of the liquid flow and the inner wall of the housing 11 for the cooling liquid to pass through and further flow to the liquid outlet.
Optionally, the liquid-cooled terminal further includes a positioning member connected to the pin housing 1, and one end of the positioning member extends into the cavity 11 and is connected to the pin core 4 to limit the rotation of the pin core 4.
In the specific implementation process, the pin housing 1 is provided with a through hole, so that the positioning piece passes through the through hole and enters the cavity 11, the through hole is also formed in the corresponding position of the pin inner core 4, and the positioning piece passes through the pin housing 1 and enters the pin inner core 4 in the cavity 11, thereby preventing the pin inner core 4 from loosening. In practice, the positioning element may be a threaded rod and passes through the through hole to be in threaded connection with the pin inner core 4, and of course, the positioning element may pass through the through hole and then abut against the outer wall of the pin inner core 4, and may also extend into the pin inner core 4 to realize fixation.
Furthermore, the positioning element is a plug pin 5, the peripheral surface of the insertion part 41 is provided with a jack 51 matched with the plug pin 5, and one end of the plug pin 5 extends into the cavity 11 and is inserted into the jack 51.
In the specific implementation, the plug pin 5 penetrates through the side wall of the pin housing 1, enters the cavity 11 and is inserted into the jack 51 of the pin core 4. And the insertion hole 51 is located at the insertion part 41, specifically, the insertion hole 51 is located at the clamping block 43 of the insertion part 41, so as to improve the tightness of the connection between the pin core 4 and the pin housing 1.
Optionally, the needle inserting housing 1 is further connected with a switching portion 6, the switching portion 6 is disposed at the liquid inlet hole 12 and is provided with a liquid inlet channel 61 having a communication hole 62, and the liquid inlet channel 61 is further communicated with the liquid inlet hole 12; and
the adapter 71 comprises an adapter tube and a blocking part 72 arranged on the outer peripheral surface of the adapter tube, wherein the adapter tube is provided with a first sub adapter tube 711 and a second sub adapter tube 712 on two sides of the blocking part 72 respectively, the first sub adapter tube 711 is connected with the communication hole 62 of the liquid inlet channel 61, and the liquid inlet tube 2 is sleeved on the outer peripheral surface of the second sub adapter tube 712 and connected with a fastening piece 73.
In this embodiment, the adapter 6 may be a rectangular parallelepiped or a cylinder, is disposed at the liquid inlet hole 12, and is provided with a liquid inlet channel 61 communicated with the liquid inlet hole 12. The first sub-adapter tube 711 of the adapter 71 is communicated with the second sub-adapter tube 712, the first sub-adapter tube 711 is connected to the communication hole 62 of the liquid inlet channel 61, the liquid inlet tube 2 is sleeved on the periphery of the second sub-adapter tube 712, and the cooling liquid enters the liquid inlet channel 61 from the liquid inlet tube 2 and then enters the cavity 11 of the pin housing 1 from the liquid inlet hole 12 for cooling.
In the specific implementation process, the second sub adapter tube 712 has a sleeved section and a screwed section close to the baffle portion 72, and the liquid inlet tube 2 is sleeved on the sleeved section. In practice, the fastening member 73 is a nut, and the nut is sleeved on the outer circumferential surface of the liquid inlet pipe 2 and is in threaded connection with the screw joint section to lock the liquid inlet pipe 2 on the second sub adapter pipe 712. The adapter 71 further includes a sealing ring, and the sealing ring is sleeved on the outer peripheral surface of the first sub adapter tube 711 to realize the sealing connection between the first sub adapter tube 711 and the communication hole 62.
Optionally, the pin housing 1 includes a liquid outlet end, the liquid outlet hole 13 is opened in the liquid outlet end, the liquid outlet pipe 3 is sleeved on the outer peripheral surface of the liquid outlet end and sleeved with the fastening ring 31, and the liquid outlet pipe 3 is communicated with the cavity 11 through the liquid outlet hole 13.
In this embodiment, the liquid outlet pipe 3 is sleeved on the outer peripheral surface of the liquid outlet end, the wiring portion 42 of the pin inner core 4 is located in the liquid outlet pipe 3, and the cooling liquid flows through the liquid outlet hole 13 from the cavity 11 of the pin housing 1, and then flows into the liquid outlet pipe 3 from the liquid outlet hole 13 to take away the heat generated by the pin inner core 4.
In the specific implementation process, in order to ensure the tightness of the connection between the liquid outlet pipe 3 and the liquid outlet end, the outer peripheral surface of the liquid outlet pipe 3 is further sleeved with a fastening ring 31, and the fastening ring 31 is sleeved at the liquid outlet end. Through setting up tighrening ring 31, fix drain pipe 3 locking at a play liquid end, make both connect inseparabler to guarantee that drain pipe 3 can not become flexible, avoid causing revealing of coolant liquid.
Optionally, the adaptor 6 is further opened with an additional hole 63 communicating with the liquid inlet channel 61, and the additional hole 63 is further connected with a blocking piece 64 for opening or closing the additional hole 63.
In this embodiment, the liquid inlet channel 61 in the adapter part 6 is "L" shaped, one end is connected to the liquid inlet hole 12, the other end is connected to the liquid inlet pipe 2, and an additional hole 63 is opened at the corner of the liquid inlet channel 61 and communicates with the liquid inlet channel 61. The plugging piece 64 is connected to the additional hole 63, when other systems need to be connected, the plugging piece 64 can be detached to be connected, and when other systems do not need to be connected, the plugging piece 64 can be installed to plug the additional hole 63, so that the coolant is prevented from flowing out. In practice, the blocking piece 64 is a screw screwed onto the additional hole 63. Further, a sealing ring is arranged between the screw and the additional hole 63, the tightness of connection between the screw and the additional hole 63 is further guaranteed, and leakage of cooling liquid is avoided.
The utility model further provides a charging gun, which comprises the liquid cooling terminal in the embodiment, the specific structure of the liquid cooling terminal refers to the embodiment, and the charging gun adopts all technical schemes of all the embodiments, so that the charging gun at least has all beneficial effects brought by the technical schemes of the embodiments, and the details are not repeated.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A liquid cooled terminal, comprising:
the contact pin shell is provided with a containing cavity and a liquid inlet hole and a liquid outlet hole which are communicated with the containing cavity;
the liquid inlet pipe is arranged in the liquid inlet hole and is communicated with the containing cavity;
the liquid outlet pipe is arranged in the liquid outlet hole and is communicated with the cavity; and
the contact pin inner core is connected with the accommodating cavity and comprises a plug-in part, the plug-in part is of a plate-shaped structure and is inserted into the accommodating cavity from the liquid outlet hole, a gap exists between the contact pin inner core and the inner wall of the contact pin shell to form a liquid flow channel so as to communicate the liquid inlet pipe with the liquid outlet pipe, and the flow of cooling liquid from the liquid inlet pipe, the liquid flow channel and the liquid outlet pipe is realized.
2. The liquid cooled terminal of claim 1, wherein the pin core further comprises a wire portion connected to the mating portion, the wire portion extending out of the cavity.
3. The liquid cooling terminal of claim 1, wherein the insertion portion further comprises a clamping block, the clamping block protrudes out of the insertion portion, a side wall of the clamping block is attached to the inner wall of the cavity, a fixing block is arranged on a surface of the insertion portion facing away from the clamping block, and a surface of the fixing block facing away from the clamping block abuts against the inner wall of the cavity, so that the contact pin inner core and the contact pin housing are in interference connection.
4. The liquid cooled terminal of claim 3, wherein a gap is formed between the side surface of the mounting block and the inner wall of the cavity to form the flow channel for smooth flow of liquid through the flow channel.
5. The liquid cooled terminal of claim 1 further comprising a positioning member attached to said pin housing, one end of said positioning member extending into said cavity and engaging said pin core to limit rotation of said pin core.
6. The liquid cooled terminal of claim 5, wherein the positioning member is a pin, the outer peripheral surface of the insertion portion is provided with a socket engaged with the pin, and one end of the pin extends into the cavity and is inserted into the socket.
7. The liquid cooling terminal of claim 1, wherein the pin housing further comprises an adapter portion, the adapter portion is disposed at the inlet hole and is provided with an inlet passage having a communication hole, and the inlet passage is communicated with the inlet hole; and
the adapter is in including switching pipe and setting the portion of keeping off that separates of switching pipe outer peripheral face, the switching pipe is in the both sides that separate the portion of keeping off form first sub-switching pipe and the sub-switching pipe of second respectively, wherein, first sub-switching pipe with the intercommunicating pore of inlet channel is connected, the feed liquor pipe box is established the outer peripheral face of the sub-switching pipe of second.
8. The liquid-cooled terminal of claim 1, wherein the pin housing includes a liquid outlet end, the liquid outlet hole is disposed at the liquid outlet end, the liquid outlet pipe is sleeved on an outer peripheral surface of the liquid outlet end, and the liquid outlet pipe is communicated with the cavity through the liquid outlet hole.
9. The liquid cooling terminal as claimed in claim 7, wherein the adaptor portion further defines an additional hole communicating with the inlet passage, and a closure member for opening or closing the additional hole is connected to the additional hole.
10. A charging gun comprising a liquid cooled terminal as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123449113.4U CN216903413U (en) | 2021-12-31 | 2021-12-31 | Liquid cooling terminal and rifle that charges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123449113.4U CN216903413U (en) | 2021-12-31 | 2021-12-31 | Liquid cooling terminal and rifle that charges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216903413U true CN216903413U (en) | 2022-07-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123449113.4U Withdrawn - After Issue CN216903413U (en) | 2021-12-31 | 2021-12-31 | Liquid cooling terminal and rifle that charges |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216903413U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114552252A (en) * | 2021-12-31 | 2022-05-27 | 深圳市沃尔新能源电气科技股份有限公司 | Liquid cooling terminal and rifle that charges |
-
2021
- 2021-12-31 CN CN202123449113.4U patent/CN216903413U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114552252A (en) * | 2021-12-31 | 2022-05-27 | 深圳市沃尔新能源电气科技股份有限公司 | Liquid cooling terminal and rifle that charges |
| CN114552252B (en) * | 2021-12-31 | 2024-07-19 | 深圳市沃尔新能源电气科技股份有限公司 | Liquid cooling terminal and charging gun |
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Effective date of registration: 20230831 Address after: 518000 workshop 601 of wal nuclear material industrial plant (phase III), No. 53 Qingsong West Road, Zhukeng community, Longtian street, Pingshan District, Shenzhen, Guangdong Province Patentee after: SHENZHEN WOER NEW ENERGY ELECTRICAL TECHNOLOGY Co.,Ltd. Address before: 518118 6th floor, phase III factory building, North Lanjing Road, Longtian street, Pingshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN WOER NEW ENERGY ELECTRICAL TECHNOLOGY Co.,Ltd. Patentee before: Shenzhen Woer Heat-shrinkable Material Co.,Ltd. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20220705 Effective date of abandoning: 20240719 |
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