CN217691965U - Double temperature control switch charging power line plug for electric automobile - Google Patents
Double temperature control switch charging power line plug for electric automobile Download PDFInfo
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- CN217691965U CN217691965U CN202221324541.6U CN202221324541U CN217691965U CN 217691965 U CN217691965 U CN 217691965U CN 202221324541 U CN202221324541 U CN 202221324541U CN 217691965 U CN217691965 U CN 217691965U
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- carrying terminal
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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
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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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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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
- 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
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Abstract
The utility model discloses a two temperature detect switch charging power cord plugs for electric automobile, including plug body and power cord, the grafting end of plug body has live wire current-carrying terminal, zero line current-carrying terminal and ground wire current-carrying terminal, the one end of power cord is inserted the plug is originally internal, its ground wire with the ground wire current-carrying terminal is connected, its zero line with be connected with first temperature detect switch between the zero line current-carrying terminal, its live wire with be connected with second temperature detect switch between the live wire current-carrying terminal. The utility model discloses a temperature control switch is respectively connected in series on the live wire and the zero line of the power cord, and the temperature sensing part of the temperature control switch is made to cling to the current-carrying terminal which is respectively pressed, thereby realizing the temperature of the current-carrying wire in the accurate induction plug; and the on-off of the plug is automatically determined by sensing the temperature, so that the safety and the reliability of the use of the plug are improved, and the service life of the plug is prolonged.
Description
Technical Field
The utility model relates to a power cord plug field especially relates to a two temperature detect switch charging power cord plugs for electric automobile.
Background
In recent years, with the continuous upgrading of technology, new energy automobiles are gradually popularized and begin to enter the lives of common people. The demand of people on new energy automobiles is increasing day by day, and the development prospect of the new energy automobiles is immeasurable. Because the power source of the new energy automobile is the battery, and the battery needs to be charged frequently, the development of the new energy automobile also drives the upgrading development of the charging equipment.
In order to meet the requirement of rapid charging of a user, a charging power line of a new energy automobile on the existing market mostly adopts a high-power charging mode, so that more heat can be generated during charging, and the potential safety hazard of charging is increased. The inside temperature-sensing device that is provided with of tradition charging power cord, through the inside temperature of temperature-sensing device monitoring power cord, nevertheless because all circuits need be compromise simultaneously to temperature-sensing device, the circuit temperature response that is apart from a little far away is sensitive inadequately, leads to actual temperature to be greater than the safe temperature, has the hidden danger to the safety, and the visible adoption charging power cord temperature detect switch seems especially necessary from this.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a two temperature detect switch charging power cord plugs for electric automobile has solved the above-mentioned problem that exists among the prior art.
In order to solve the technical problem, the utility model provides an electric automobile is with two temperature detect switch power cord plugs that charge, including plug body and power cord, plug body's grafting end has live wire current-carrying terminal, zero line current-carrying terminal and ground wire current-carrying terminal, the one end of power cord is inserted this internal, its ground wire with the ground wire current-carrying terminal is connected, its zero line with be connected with first temperature detect switch between the zero line current-carrying terminal, its live wire with be connected with the second temperature detect switch between the live wire current-carrying terminal.
In a preferred embodiment of the present invention, the first temperature control switch includes a first temperature control switch lead wire first and a first temperature control switch lead wire second, the first temperature control switch lead wire first is connected with the zero line current-carrying terminal, and the first temperature control switch lead wire second is connected with the zero line; the second temperature control switch comprises a first second temperature control switch lead and a second temperature control switch lead, the first second temperature control switch lead is connected with the live wire current-carrying terminal, and the second temperature control switch lead is connected with the live wire.
In a preferred embodiment of the present invention, the second temperature controlled switch lead and the zero line are connected through a first connection terminal.
In a preferred embodiment of the present invention, the first connection terminal is sleeved with a first heat shrinkable sleeve.
In a preferred embodiment of the present invention, the second temperature controlled switch lead ii is connected to the live wire through a second connection terminal.
In a preferred embodiment of the present invention, a second heat shrinkage bush is sleeved on the second connecting terminal.
In a preferred embodiment of the present invention, the plug further comprises a support inner frame, a ground wire current-carrying terminal fixing groove, a zero wire current-carrying terminal fixing groove and a live wire current-carrying terminal fixing groove are formed on the support inner frame, and the ground wire current-carrying terminal, the zero wire current-carrying terminal and the live wire current-carrying terminal respectively run through the ground wire current-carrying terminal fixing groove, the zero wire current-carrying terminal fixing groove and the live wire current-carrying terminal fixing groove.
In a preferred embodiment of the present invention, the inner support has an extension perpendicular to the upper surface thereof, and the extension is divided into a first temperature control switch fixing groove, a second temperature control switch fixing groove, a first connecting terminal fixing groove and a second connecting terminal fixing groove; the first temperature control switch fixing groove is adjacent to the first connecting terminal fixing groove and faces one side of the zero line current-carrying terminal fixing groove; second temperature detect switch fixed slot and second connecting terminal fixed slot are adjacent, and move towards live wire current-carrying terminal fixed slot one side, first temperature detect switch, second temperature detect switch, first connecting terminal and second connecting terminal are installed respectively in first temperature detect switch fixed slot, second temperature detect switch fixed slot, first connecting terminal fixed slot and the second connecting terminal fixed slot.
In a preferred embodiment of the present invention, the plug further comprises an inner plug mold and an outer plug mold, wherein the inner plug mold is wrapped outside the power line, the first temperature control switch, the second temperature control switch and the inner support; the plug outer die is coated outside the plug inner die.
In a preferred embodiment of the present invention, the outer mold of the plug further has a hand-held portion and a plug net tail sleeved outside the power line.
The beneficial effects of the utility model are that: the utility model discloses a two temperature detect switch charging power cord plugs for electric automobile, through establish ties a temperature detect switch respectively on the live wire of power cord and zero line to make temperature detect switch's temperature department hug closely the current-carrying terminal of respective crimping, thereby realize the temperature of accurate induction plug inside current-carrying line; and the on-off of the plug is automatically determined by sensing the temperature, so that the safety and the reliability of the use of the plug are improved, and the service life of the plug is prolonged.
Drawings
Fig. 1 is a schematic perspective view of a preferred embodiment of a dual temperature control switch charging power cord plug for an electric vehicle according to the present invention;
FIG. 2 is a schematic diagram of the internal mold structure of the plug of FIG. 1;
FIG. 3 is a schematic view of the exploded structure of the various components within the plug shown;
FIG. 4 is a schematic view of the first and second temperature controlled switches shown connected to a power line;
FIG. 5 is a schematic view of the FIG. 4 construction after installation of the heat shrink sleeve;
FIG. 6 is a structural view showing the first temperature controlled switch, the second temperature controlled switch and the power supply line crimped terminal;
FIG. 7 is a schematic view of the plug of FIG. 6 with the inner frame mounted thereon;
FIG. 8 is a schematic diagram of the power cord configuration;
the components in the drawings are numbered as follows:
1. the plug outer mold comprises 1-1 part of a handheld part and 1-2 parts of a plug net tail; 2. a plug inner mold;
3. power line, 31, live line, 32, ground line, 33, neutral line;
4. a first temperature control switch 41, a first temperature control switch lead I, and a second temperature control switch lead 42;
5. a second temperature control switch 51, a first lead of the second temperature control switch 52, a second lead of the second temperature control switch;
6. the bearing inner frame comprises a bearing inner frame body, 61 a ground wire current-carrying terminal fixing groove, 62 a zero line current-carrying terminal fixing groove, 63 a live wire current-carrying terminal fixing groove, 64 a first temperature control switch fixing groove, 65 a second temperature control switch fixing groove, 66 a first connecting terminal fixing groove and 67 a second connecting terminal fixing groove;
7. a live current carrying terminal; 8. a ground current carrying terminal; 9. a zero line current carrying terminal; 10. a first connection terminal; 11. a first heat shrink sleeve; 12. a second connection terminal; 13. a second heat shrink sleeve.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to fig. 1-8, an embodiment of the present invention includes:
example 1
The utility model discloses a double temperature control switch charging power cord plug for an electric automobile, which comprises a plug outer die 1, a plug inner die 2 and a power cord 3; the plug outer die 1 and the plug inner die 2 are integrally formed by adopting an injection molding process, the appearance quality is good, the space is uniform, and the internal parts are accurately positioned. The plug outer die 1 is coated outside the plug inner die 2 and is provided with a handheld part 1-1 and a plug net tail 1-2 sleeved outside a power line 3. As shown in fig. 1 and 2.
The plug inner die 2 is internally wrapped with a power line 3 (specifically, the end part of the power line 3), a first temperature control switch 4, a second temperature control switch 5, a bearing inner frame 6, a live wire current-carrying terminal 7, a ground wire current-carrying terminal 8 and a zero line current-carrying terminal 9. The power cord 3 includes a live wire 31, a ground wire 32, and a neutral wire 33. The first temperature control switch 4 comprises a first temperature control switch lead 41 and a second temperature control switch lead 42; the second temperature control switch 5 comprises a first temperature control switch lead 51 and a second temperature control switch lead 52.
Specifically, zero line 33 with first temperature detect switch lead wire two 42 passes through first connecting terminal 10 closes riveting pressure, zero line current-carrying terminal 9 with first temperature detect switch lead wire 41 crimping, thus will first temperature detect switch 4 establishes ties to on the zero line, and makes first temperature detect switch 4's temperature sensing department is close to (or hugs closely) zero line current-carrying terminal for the temperature on the perception zero line, so that under the condition that the temperature surpassed the rated temperature of plug, in time break off the zero line through first temperature detect switch 4, thereby play the purpose of plug power-off protection. The first connection terminal 10 is further sleeved with a first heat-shrinkable sleeve 11.
The ground wire 32 is connected to the ground current-carrying terminal 8 by crimping.
Through the connection design of first temperature detect switch 4 and second temperature detect switch 5 in the plug, can more accurately sense the temperature of the inside current-carrying wire of plug to automatic through the on-off or the disconnected of inductive temperature decision power cord plug, safe and reliable, stability is strong, can play the guard action, thereby improves the life of plug.
Specifically, the inner support 6 is made of plastic, and is provided with a ground wire current-carrying terminal fixing groove 61, a zero line current-carrying terminal fixing groove 62 and a live wire current-carrying terminal fixing groove 63. The support inner frame 6 is further provided with an extension portion perpendicular to the upper surface thereof, which is divided into a first temperature controlled switch fixing groove 64, a second temperature controlled switch fixing groove 65, a first connection terminal fixing groove 66 and a second connection terminal fixing groove 67. Wherein the first temperature control switch fixing groove 64 is adjacent to the first connection terminal fixing groove 66 and faces one side of the neutral current-carrying terminal fixing groove 62; the second temperature control switch fixing groove 65 is adjacent to the second connection terminal fixing groove 67 and faces the live wire current-carrying terminal fixing groove 63.
The live wire current-carrying terminal 7, the ground wire current-carrying terminal 8 and the zero wire current-carrying terminal 9 respectively penetrate through the live wire current-carrying terminal fixing groove 63, the ground wire current-carrying terminal fixing groove 61 and the zero wire current-carrying terminal fixing groove 62. The first temperature control switch 4 is installed in the first temperature control switch fixing groove 64, and the second temperature control switch 5 is installed in the second temperature control switch fixing groove 65. The first connection terminal 10 fitted with the first heat shrinkable tube 11 is mounted in the first connection terminal fixing groove 66; the second connection terminal 12 fitted with the second heat shrinkable tube 13 is mounted in the second connection terminal fixing groove 67.
The use and the structural design of the bearing inner frame 6 have the following effects: 1. the terminals, the first temperature control switch and the second temperature control switch are installed and positioned through the bearing inner frame, so that the modular design of the interior of the plug is realized, mess is avoided, and the subsequent injection molding is facilitated; 2. the plug has the advantages of compact structure, reasonable design, small occupied space and easy forming, and is also beneficial to improving the positioning accuracy of all parts in the plug.
The preparation steps of the plug are as follows:
(1) Peeling the zero line 33, the ground wire 32 and the live wire 31 at one end of the power wire 3 according to the design required size, and controlling the exposed length of the copper wire to meet the requirement;
(2) Peeling a first temperature switch lead 41, a second temperature switch lead 42, a first second temperature switch lead 51 and a second temperature switch lead 52 according to the design required size, and controlling the exposed length of the copper wire to meet the requirement;
(3) The zero line 33 and a second temperature switch lead 42 in the first temperature switch 4 are riveted and connected through the first connecting terminal 10, and after the riveting and connecting are completed, a first heat-shrinkable sleeve 11 is sleeved and baked, so that the first heat-shrinkable sleeve 11 is firmly sleeved on the first connecting terminal 10;
the live wire 31 and a second temperature switch lead 52 in the second temperature switch 5 are riveted and connected through a second connecting terminal 12, and after the riveting and connecting is completed, a second heat-shrinkable sleeve 13 is sleeved and baked, so that the second heat-shrinkable sleeve 13 is firmly sleeved on the second connecting terminal 12;
(4) Carrying out riveting and pressure connection on a first temperature switch lead 41 in the first temperature switch 4 and a zero line current-carrying terminal 9; riveting and connecting a first temperature switch lead 51 in the second temperature switch 5 with the live wire current-carrying terminal 7; the ground wire 32 is connected with the ground wire current-carrying terminal 8 in a crimping mode;
(5) Assembling a pressed zero line current-carrying terminal 9 into a zero line current-carrying terminal fixing groove 62, assembling a ground wire current-carrying terminal 8 into a ground wire current-carrying terminal fixing groove 61, and assembling a live wire current-carrying terminal 7 into a live wire current-carrying terminal fixing groove 63, and checking whether the appearance is intact and whether the pressing is dislocated or not after the assembling is finished;
(6) Penetrating a well-crimped zero line current-carrying terminal 9 into a zero line current-carrying terminal fixing groove 62 of a bearing inner frame 6, penetrating a first connecting terminal 10 which is well baked with a first heat-shrinkable sleeve 11 into a first connecting terminal fixing groove 66 of the bearing inner frame 6, penetrating a first temperature control switch 4 into a first temperature control switch fixing groove 64 of the bearing inner frame 6, penetrating a live wire current-carrying terminal 7 into a live wire current-carrying terminal fixing groove 63 of the bearing inner frame 6, penetrating a second connecting terminal 12 which is well baked with a second heat-shrinkable sleeve 13 into a second connecting terminal fixing groove 67 of the bearing inner frame 6, penetrating a second temperature control switch 5 into a second temperature control switch fixing groove 65 of the bearing inner frame 6, penetrating a ground wire current-carrying terminal 9 into a ground wire current-carrying terminal fixing groove 61 of the bearing inner frame 6, and inspecting whether the appearance is good or not and whether the crimping is misplaced or not after the assembly is finished;
(7) And after the correctness is confirmed, performing plug injection molding, namely firstly injecting a plug inner mold 2, then injecting a plug outer mold 1, and obtaining the double temperature control switch charging power line plug for the electric automobile after the injection molding is finished.
The utility model relates to an electric automobile is with two temperature detect switch charging power cord plugs's theory of operation does:
in the charging process, after the first temperature control switch 4 senses that the temperature on the zero line current-carrying terminal 9 exceeds the set temperature of the first temperature control switch 4, the first temperature control switch 4 is automatically powered off, timely and effective power-off protection is realized, and the service life of a power line plug is prolonged.
In the charging process, after the temperature that second temperature detect switch 5 sensed on live wire current-carrying terminal 7 exceeded second temperature detect switch 5's settlement temperature, second temperature detect switch 5 is inside will auto-power-off, realizes timely effectual power protection, improves the life of power cord plug.
The utility model has the advantages of as follows:
1. the temperature control switches are respectively connected in series on the live wire and the zero wire of the power line, and the temperature sensing parts of the temperature control switches are tightly attached to the current-carrying terminals which are respectively pressed, so that the temperature of the current-carrying wires in the plug can be accurately sensed; the circuit is automatically disconnected according to the rated temperature of the plug, so that the safety and the reliability of the use of the plug are improved, and the service life of the plug is prolonged;
2. through the design of the bearing inner frame, all parts in the plug, such as a live wire current-carrying terminal, a ground wire current-carrying terminal, a zero line current-carrying terminal, a first connecting terminal, a second connecting terminal, a first temperature control switch and a second temperature control switch, can be orderly arranged, so that the internal structure of the plug is reasonably and compactly designed, and the plug is convenient to form;
3. through the injection molding design of the plug inner mold and the plug outer mold, the appearance quality of the plug is improved, the hand feeling is enhanced, and the plug is convenient to insert.
The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a two temperature detect switch charging power cord plugs for electric automobile, its characterized in that, includes plug body and power cord, the grafting end of plug body has live wire current-carrying terminal, zero line current-carrying terminal and ground wire current-carrying terminal, the one end of power cord is inserted in the plug body, its ground wire with the ground wire current-carrying terminal is connected, its zero line with be connected with first temperature detect switch between the zero line current-carrying terminal, its live wire with be connected with the second temperature detect switch between the live wire current-carrying terminal.
2. The plug of claim 1, wherein the first temperature controlled switch comprises a first temperature controlled switch lead and a second temperature controlled switch lead, the first temperature controlled switch lead is connected to the neutral current carrying terminal, and the second temperature controlled switch lead is connected to the neutral current carrying terminal; the second temperature control switch comprises a first second temperature control switch lead and a second temperature control switch lead, the first second temperature control switch lead is connected with the live wire current-carrying terminal, and the second temperature control switch lead is connected with the live wire.
3. The plug of claim 2, wherein the second lead of the first temperature controlled switch is connected to the neutral wire through a first connection terminal.
4. The dual thermostat charging power cord plug for an electric vehicle of claim 3 wherein a first heat shrink sleeve is sleeved over the first connection terminal.
5. The dual thermostat charging power cord plug for an electric vehicle of claim 4, wherein the second thermostat lead wire two is connected to the live wire through a second connection terminal.
6. The plug of claim 5, wherein a second heat shrinkable sleeve is sleeved on the second connection terminal.
7. The plug of claim 6, further comprising a bearing inner frame, wherein the bearing inner frame is provided with a ground wire current-carrying terminal fixing groove, a zero line current-carrying terminal fixing groove and a fire wire current-carrying terminal fixing groove, and the ground wire current-carrying terminal, the zero line current-carrying terminal and the fire wire current-carrying terminal respectively penetrate through the ground wire current-carrying terminal fixing groove, the zero line current-carrying terminal fixing groove and the fire wire current-carrying terminal fixing groove.
8. The plug of claim 7, further comprising an extension part perpendicular to the upper surface of the support inner frame, wherein the extension part is divided into a first temperature control switch fixing groove, a second temperature control switch fixing groove, a first connection terminal fixing groove and a second connection terminal fixing groove; the first temperature control switch fixing groove is adjacent to the first connecting terminal fixing groove and faces one side of the zero line current-carrying terminal fixing groove; second temperature detect switch fixed slot and second connecting terminal fixed slot are adjacent, and move towards live wire current-carrying terminal fixed slot one side, first temperature detect switch, second temperature detect switch, first connecting terminal and second connecting terminal are installed respectively in first temperature detect switch fixed slot, second temperature detect switch fixed slot, first connecting terminal fixed slot and the second connecting terminal fixed slot.
9. The dual temperature control switch charging power line plug for the electric automobile according to claim 8, wherein the plug further comprises a plug inner die and a plug outer die, wherein the plug inner die is coated outside the power line, the first temperature control switch, the second temperature control switch and the bearing inner frame; the plug outer die is coated outside the plug inner die.
10. The plug of the charging power line with the double temperature-controlled switches for the electric automobile according to claim 9, wherein the outer plug mold is further provided with a handheld part and a plug net tail sleeved outside the power line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221324541.6U CN217691965U (en) | 2022-05-30 | 2022-05-30 | Double temperature control switch charging power line plug for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221324541.6U CN217691965U (en) | 2022-05-30 | 2022-05-30 | Double temperature control switch charging power line plug for electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217691965U true CN217691965U (en) | 2022-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221324541.6U Active CN217691965U (en) | 2022-05-30 | 2022-05-30 | Double temperature control switch charging power line plug for electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217691965U (en) |
-
2022
- 2022-05-30 CN CN202221324541.6U patent/CN217691965U/en active Active
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