CN219610909U - Electric connector - Google Patents

Abstract

The utility model discloses an electric connector, comprising: a connector housing having a plug end for plugging with another connector and a connection end for wiring; the high-voltage terminal is arranged at the plug-in end; the high-voltage terminal is characterized in that a high-voltage rubber core is sleeved on the periphery of the high-voltage terminal, a temperature detection cavity is formed in the side part of the high-voltage rubber core, and a temperature sensor for detecting the temperature of the high-voltage terminal is arranged in the temperature detection cavity. The temperature sensor can be connected with a power supply control unit applying the vehicle, the temperature of the high-voltage terminal is fed back to the power supply control unit through the temperature sensor, the power supply control unit can adjust the power supply strategy in real time according to the fed-back temperature information, and then the temperature of the high-voltage terminal is controlled in a proper range, so that the problem that the vehicle is parked due to overload of the temperature of the high-voltage terminal is avoided. And meanwhile, the temperature sensor is arranged in the temperature detection cavity, namely, the original structure of the high-pressure rubber core is directly utilized to fix and protect the temperature sensor.

Description

Electric connector

Technical Field

The utility model relates to the technical field of electrical equipment, in particular to an electric connector.

Background

The existing vehicle-used electricity-exchanging connector plug is arranged at the bottom of a battery pack, a socket is arranged at the charging position of a vehicle, and signals and current are transmitted to the vehicle through the plug and the socket. The high-voltage wiring terminal of the power conversion connector can emit larger heat in the current transmission process, however, the existing power conversion connector generally does not have a monitoring device for monitoring the temperature of the high-voltage wiring terminal, and the vehicle power supply control unit cannot adjust power supply in real time according to the temperature of the high-voltage wiring terminal, so that the existing power conversion connector is easy to be subjected to temperature overload, and further the vehicle is stopped.

Disclosure of Invention

The aim of the embodiment of the utility model is that: the utility model provides an electric connector, it can solve the problem that the electric connector that trades of prior art exists can't monitor high voltage terminal's temperature in real time.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an electrical connector, comprising:

a connector housing having a plug end for plugging with another connector and a connection end for wiring;

the high-voltage terminal is arranged at the plug-in end; the high-voltage terminal is characterized in that a high-voltage rubber core is sleeved on the periphery of the high-voltage terminal, a temperature detection cavity is formed in the side part of the high-voltage rubber core, and a temperature sensor for detecting the temperature of the high-voltage terminal is arranged in the temperature detection cavity.

Optionally, a low-voltage rubber core for fixing the low-voltage terminal is further arranged in the connector shell, a wire arrangement channel is arranged in the low-voltage rubber core, and the wires of the temperature sensor extend to the connecting end through the wire arrangement channel.

Optionally, the temperature detection cavity set up in the high pressure is glued the core and is close to one side of low pressure is glued the core, the high pressure is glued the core and is close to one side of low pressure is provided with the wire hole, the low pressure is glued the core and is located the grafting end is provided with the entrance hole, be located the link is provided with the wire hole, the wire is passed the wire hole extends the temperature detection cavity, is passed through the entrance hole and the wire hole passes the winding displacement passageway.

Optionally, a first boss is arranged on one side of the high-pressure rubber core, and the temperature detection cavity is formed in the first boss.

Optionally, a second boss is arranged on one side of the first boss, which is close to the low-pressure rubber core, and the wire passing hole is arranged in the second boss, so that the distance between the wire passing hole and the wire inlet hole is shortened through the second boss.

Optionally, a mounting opening is formed in one side of the temperature detection cavity, and the temperature sensor is mounted in the temperature detection cavity through the mounting opening.

Optionally, the high-pressure rubber core further comprises a blocking block, and the mounting port is blocked by the blocking block, so that the temperature sensor is limited in the temperature detection cavity.

Optionally, the mounting opening is disposed on a side of the first boss near the connection end.

Optionally, the mounting port is communicated with the wire through hole.

Optionally, the low pressure rubber core is including the rubberizing core that connects gradually, intermediate junction plate, lower rubber core and line seal body, the rubberizing core protruding be located the grafting end, lower rubber core is located in the connector housing, line seal body is located the link, the winding displacement passageway is followed rubberizing core extends to line seal body, the entrance hole set up in the rubberizing core is close to the lateral part in temperature measuring chamber, the exit hole set up in the line seal body.

The beneficial effects of the utility model are as follows: the utility model provides an electric connector, wherein a temperature sensor is arranged in a high-voltage rubber core sleeved outside a high-voltage terminal, the temperature sensor can be connected with a power control unit of an application vehicle, the temperature of the high-voltage terminal is fed back to the power control unit through the temperature sensor, and the power control unit can adjust a power supply strategy in real time according to the fed-back temperature information, so that the temperature of the high-voltage terminal is controlled in a proper range, and the problem that the vehicle is stopped due to overload of the temperature of the high-voltage terminal is avoided.

Meanwhile, the side part of the high-pressure rubber core sleeved outside the high-pressure terminal is provided with the temperature detection cavity, the temperature sensor is installed in the temperature detection cavity, namely, the original structure of the high-pressure rubber core is directly utilized to fix and protect the temperature sensor, the temperature sensor can be stably and reliably fixed on the side part of the high-pressure terminal, the accuracy of the monitored temperature data is ensured, and meanwhile, the problem that the temperature sensor is easily damaged due to direct exposure to the air is avoided.

Drawings

The utility model is described in further detail below with reference to the drawings and examples.

Fig. 1 is a schematic perspective view of an electrical connector according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of an electrical connector according to an embodiment of the present utility model;

FIG. 3 is a schematic view of the high pressure rubber core and the low pressure rubber core according to the embodiment of the present utility model;

FIG. 4 is a schematic cross-sectional view of the structure shown in FIG. 3;

FIG. 5 is an exploded view of a high pressure core and a temperature sensor according to an embodiment of the present utility model;

fig. 6 is a schematic cross-sectional view of a high pressure core according to an embodiment of the present utility model.

In the figure:

1. a connector housing; 11. a plug end; 12. a connection end; 2. a high voltage terminal; 3. a high pressure rubber core; 31. a temperature detection chamber; 32. a first boss; 33. a second boss; 34. a wire through hole; 35. a mounting port; 36. a blocking block; 4. a low voltage terminal; 5. a low pressure rubber core; 51. a glue core is coated; 52. a middle connecting plate; 53. a rubber core is arranged; 54. a wire seal; 55. a wire arrangement channel; 56. a wire inlet hole; 57. a wire outlet hole; 6. a temperature sensor; 61. and (5) conducting wires.

Detailed Description

In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model are described in further detail below, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

As shown in fig. 1-6, the present embodiment provides an electrical connector, which includes a connector housing 1 and a high voltage terminal 2 fixed on the connector housing 1, wherein the high voltage terminal 2 has a socket hole therein for being in socket fit with terminals of other connectors to realize a power transmission function.

The connector housing 1 has a plug end 11 for plugging with a further connector and a connection end 12 for connecting wires; specifically, the connector housing 1 may provide support and insulation protection for the high voltage terminal 2, the low voltage terminal 4, and the connected wires, the conductors inside the connected wires extending from the connection end 12 to the connector housing 1 and being connected to the high voltage terminal 2 or the low voltage terminal 4, and the insulators outside the wires being fixed to the connection end 12.

The high-voltage terminal 2 is arranged at the plug-in end 11; the high-voltage terminal 2 periphery cover is equipped with high-voltage rubber core 3, high-voltage rubber core 3 lateral part is provided with temperature detection chamber 31, install in the temperature detection chamber 31 be used for detecting the temperature sensor 6 of high-voltage terminal 2. The high-voltage terminal 2 comprises a positive electrode terminal and a negative electrode terminal, the positive electrode terminal and the negative electrode terminal are respectively sleeved with a high-voltage rubber core 3 to provide insulation protection, and temperature sensors 6 are arranged in the high-voltage rubber cores 3 outside the positive electrode terminal and the negative electrode terminal, so that stable monitoring of the positive electrode terminal and the negative electrode terminal is realized.

Based on the above electric connector, be provided with temperature sensor 6 in the high-pressure rubber core 3 that high-pressure terminal 2 overcoat was established, temperature sensor 6 can be connected with the power control unit who uses the vehicle, implement the feedback to power control unit with the temperature of high-pressure terminal 2 through temperature sensor 6, power control unit alright adjust the power supply strategy (if reduce the power supply current) in real time according to the temperature information that feeds back, and then control the temperature of high-pressure terminal 2 in suitable scope, avoid high-pressure terminal 2 temperature overload and lead to the problem that the vehicle parkked.

Meanwhile, the side part of the high-pressure rubber core 3 sleeved outside the high-pressure terminal 2 is provided with the temperature detection cavity 31, the temperature sensor 6 is installed in the temperature detection cavity 31, namely, the original structure of the high-pressure rubber core 3 is directly utilized to fix and protect the temperature sensor 6, so that the temperature sensor 6 can be stably and reliably fixed on the side part of the high-pressure terminal 2, the accuracy of the monitored temperature data is ensured, and the problem that the temperature sensor 6 is easily damaged due to direct exposure to the air is avoided.

The temperature sensor 6 is disposed at the plugging end 11 of the connector housing 1, so as to facilitate the connection of the wires of the temperature sensor 6 to the power control unit of the vehicle, in some embodiments, the connector housing 1 is further provided with a low-voltage rubber core 5 for fixing the low-voltage terminal 4, a wire arrangement channel 55 is disposed in the low-voltage rubber core 5, and the wires 61 of the temperature sensor 6 extend to the connection end 12 through the wire arrangement channel 55.

Specifically, the low-voltage terminal 4 is generally a signal transmission terminal, and can be used for transmitting signals to realize power supply control after plugging. The flat cable channel 55 is directly arranged in the low-pressure rubber core 5 for the flat cable of the lead 61 of the temperature sensor 6, the purpose of leading the lead 61 from the plug-in end 11 to the connecting end 12 of the connector shell 1 is achieved, a threading channel is not required to be arranged on the connector shell 1, and the low-pressure rubber core 5 can be utilized for providing reliable protection for the lead 61.

Further, for realizing the circuit laying, the temperature detection cavity 31 is disposed on one side of the high-pressure rubber core 3 close to the low-pressure rubber core 5, a wire passing hole 34 is disposed on one side of the high-pressure rubber core 3 close to the low-pressure rubber core 5, the low-pressure rubber core 5 is disposed at the plugging end 11 and is disposed at the connecting end 12 and is provided with a wire outlet 57, and the wire 61 extends out of the temperature detection cavity 31 through the wire passing hole 34, passes through the wire outlet 56 and the wire outlet 57 and passes through the wire arrangement channel 55.

The temperature detecting cavity 31 is arranged at one side close to the low-pressure rubber core 5, so that the temperature sensor 6 is close to the flat cable channel 55 to the greatest extent, and the exposed length of the wire 61 on the plugging end 11 is shortened.

Regarding the arrangement of the temperature detecting cavity 31, a first boss 32 is disposed on one side of the high-pressure rubber core 3, and the temperature detecting cavity 31 is formed in the first boss 32.

The first boss 32 is convexly arranged on one side of the high-pressure rubber core 3, the first boss 32 is utilized to provide a setting space for the temperature detection cavity 31, the requirement of providing enough space for the temperature sensor 6 can be met, the thickness of the whole high-pressure rubber core 3 is not required to be increased completely, and the consumable of the high-pressure rubber core 3 is saved.

In a further embodiment, a second boss 33 is disposed on a side of the first boss 32 near the low-pressure rubber core 5, the wire through hole 34 is disposed in the second boss 33, and the distance between the wire through hole 34 and the wire inlet hole 56 is shortened by the second boss 33.

The second boss 33 can reduce the gap between the high-pressure rubber core 3 and the low-pressure rubber core 5, so as to reduce the distance between the wire through hole 34 in the second boss 33 and the wire through hole 56 on the low-pressure rubber core 5, shorten the exposed length of the wire 61 at the plugging end 11, and reduce the damage risk of the wire 61.

In some embodiments, referring to fig. 5-6, a mounting opening 35 is provided on one side of the temperature detection chamber 31, and the temperature sensor 6 is mounted into the temperature detection chamber 31 through the mounting opening 35.

That is, in this embodiment, the temperature sensor 6 is detachably attached to the temperature detection chamber 31, and when a failure occurs, the temperature sensor 6 inside can be taken out through the attachment port 35, and then a new temperature sensor 6 can be installed again through the attachment port 35. This has the advantage that replacement of the temperature sensor 6 is facilitated.

Further, the high-pressure rubber core 3 further comprises a blocking block 36, and the mounting opening 35 is blocked by the blocking block 36, so that the temperature sensor 6 is limited in the temperature detection cavity 31.

After the temperature sensor 6 is installed, the plugging block 36 is plugged to plug the installation opening 35, so that the temperature sensor 6 can be prevented from falling from the installation opening 35, the temperature sensor 6 is fixed, and the reliability of a product is improved.

Preferably, the mounting opening 35 is disposed on a side of the first boss 32 near the connection end 12.

That is, the assembled mounting opening 35 is close to the bottom of the mating end 11, which reduces the risk of the blocking piece 36 falling off.

Preferably, the mounting port 35 communicates with the via hole 34.

Thus, after the temperature sensor 6 is installed in the temperature detection cavity 31, the lead 61 at the tail of the temperature sensor 6 can be directly placed in the wire passing hole 34, the duplicated threading operation is not needed, and the product assembly simplicity is improved.

In other embodiments, the temperature sensor 6 may be directly fixed in the high-pressure rubber core 3 by means of two-shot molding, that is, when the high-pressure rubber core 3 is produced, the temperature sensor 6 is first installed in a mold, then the rubber is injected, and the molded temperature sensor 6 is fixed on the side portion of the high-pressure rubber core 3. The mode has good fixity to the temperature sensor 6, can provide a good sealing environment for the temperature sensor 6, achieves the effects of dust prevention and water prevention, and needs to replace the high-pressure rubber core 3 at the same time when the temperature sensor 6 is replaced.

With reference to fig. 3-4, regarding the specific structure of the low-pressure rubber core 5, the low-pressure rubber core 5 includes an upper rubber core 51, a middle connecting plate 52, a lower rubber core 53 and a wire sealing body 54 that are sequentially connected, the upper rubber core 51 is convexly located at the plugging end 11, the lower rubber core 53 is located in the connector housing 1, the wire sealing body 54 is located at the connecting end 12, the wire arrangement channel 55 extends from the upper rubber core 51 to the wire sealing body 54, the wire inlet hole 56 is arranged at a side portion of the upper rubber core 51, which is close to the temperature detection cavity 31, and the wire outlet hole 57 is arranged in the wire sealing body 54.

The low voltage terminal 4 is fixed in the lower rubber core 53 at the bottom, the middle part is clamped by the middle connecting plate 52, the top part extends into the upper rubber core 51, and the terminals of other connectors are inserted into the upper rubber core 51 to be contacted with the low voltage terminal 4 inside. The wire sealing body 54 arranged at the tail part of the lower rubber core 53 can seal the through hole of the lower rubber core 53, and the waterproof effect of the wire sealing body is achieved. The wire inlet 56 is arranged on the side part of the rubberizing core 51, which is close to the temperature detection cavity 31, so that the wire inlet 56 is aligned with the wire through hole 34, and the threading operation is convenient.

In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and the like are merely for convenience of description and to simplify the operation, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.

In the description herein, reference to the term "one embodiment," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in the foregoing embodiments, and that the embodiments described in the foregoing embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will be apparent to those skilled in the art from consideration of this specification without undue burden.

Claims (10)

1. An electrical connector, comprising:

a connector housing (1) having a plug end (11) for plugging with a further connector and a connection end (12) for connecting wires;

a high-voltage terminal (2) arranged at the plug-in end (11); the high-voltage terminal (2) periphery cover is equipped with high-voltage rubber core (3), high-voltage rubber core (3) lateral part is provided with temperature detection chamber (31), install in temperature detection chamber (31) be used for detecting temperature sensor (6) of high-voltage terminal (2).

2. Electrical connector according to claim 1, characterized in that a low-voltage glue core (5) for fixing the low-voltage terminal (4) is further provided in the connector housing (1), a wire arrangement channel (55) is provided in the low-voltage glue core (5), and the wires (61) of the temperature sensor (6) extend to the connection end (12) through the wire arrangement channel (55).

3. The electrical connector according to claim 2, wherein the temperature detection cavity (31) is arranged at one side of the high-pressure rubber core (3) close to the low-pressure rubber core (5), a wire passing hole (34) is formed at one side of the high-pressure rubber core (3) close to the low-pressure rubber core (5), a wire inlet hole (56) is formed in the low-pressure rubber core (5) at the plug-in end (11), a wire outlet hole (57) is formed in the connecting end (12), the wire (61) extends out of the temperature detection cavity (31) through the wire passing hole (34), and passes through the wire outlet channel (55) through the wire inlet hole (56) and the wire outlet hole (57).

4. An electrical connector according to claim 3, wherein a first boss (32) is provided on one side of the high pressure rubber core (3), and the temperature detecting cavity (31) is formed in the first boss (32).

5. The electrical connector according to claim 4, wherein a second boss (33) is provided on a side of the first boss (32) close to the low-pressure rubber core (5), the via hole (34) is provided in the second boss (33), and a space between the via hole (34) and the wire inlet hole (56) is shortened by the second boss (33).

6. The electrical connector according to claim 4, wherein a side of the temperature detection chamber (31) is provided with a mounting opening (35), and the temperature sensor (6) is mounted into the temperature detection chamber (31) through the mounting opening (35).

7. The electrical connector according to claim 6, characterized in that the high-pressure rubber core (3) further comprises a blocking block (36), by which blocking block (36) the mounting opening (35) is blocked, effecting the confinement of the temperature sensor (6) in the temperature detection chamber (31).

8. The electrical connector of claim 7, wherein the mounting opening (35) is provided on a side of the first boss (32) adjacent the connection end (12).

9. The electrical connector of claim 8, wherein the mounting port (35) communicates with the via (34).

10. An electrical connector according to claim 3, wherein the low pressure core (5) comprises a core (51), a middle connecting plate (52), a lower core (53) and a wire sealing body (54) which are connected in sequence, the core (51) is convexly located at the plugging end (11), the lower core (53) is located in the connector housing (1), the wire sealing body (54) is located at the connecting end (12), the wire arrangement channel (55) extends from the core (51) to the wire sealing body (54), the wire inlet hole (56) is formed in the side portion, close to the temperature detection cavity (31), of the core (51), and the wire outlet hole (57) is formed in the wire sealing body (54).