CN214124198U - Electrical connection device - Google Patents
Electrical connection device Download PDFInfo
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- CN214124198U CN214124198U CN202022222032.XU CN202022222032U CN214124198U CN 214124198 U CN214124198 U CN 214124198U CN 202022222032 U CN202022222032 U CN 202022222032U CN 214124198 U CN214124198 U CN 214124198U
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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
- 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
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Abstract
The utility model discloses an electric connecting device, the electric connecting device comprises a vehicle end electric connecting device and a battery end electric connecting device which are mutually matched to realize electric connection, and when the vehicle end electric connecting device and the battery end electric connecting device are matched to realize electric connection, the vehicle end electric connecting device and the battery end electric connecting device are respectively connected with the matching end of the vehicle end electric connecting device and the battery end electric connecting device through sealing pieces to form a closed cavity; the detection element comprises a detection part, and the detection part extends into the closed cavity; the detection element is used for generating a trigger signal after water enters the closed cavity. Whether this scheme carries out water real-time detection through carrying out in the closed cavity, can be effective, initiative, the water proofness of rapid judgement connector, after detecting the closed cavity and intake, can send warning information according to trigger signal to and remind the user in time to have the risk of intaking, and then can be convenient for the user to carry out in time the maintenance to electric connecting device spare, further improve the security of driving a vehicle.
Description
Technical Field
The utility model belongs to trade the intellectual detection system field of electric equipment, in particular to electric connecting device.
Background
In order to ensure the driving safety, the electric automobile has strict requirements on the tightness of the electric connection device, the electric automobile with the replaceable plate has the advantages that the battery is frequently disassembled and assembled, the sealing ring of the electric connection device for sealing the automobile end and the battery end can be pulled when the battery is disassembled and assembled every time, the sealing effect is easily reduced after the sealing ring is pulled for many times, and the automobile is in the driving process, if the automobile end connector and the battery end connector are sealed and invalid, once the automobile passes through a wading road section, water enters the sealing cavity formed by the butt joint of the two connectors, and the driving unsafety is easily caused. In addition, when the electric automobile is subjected to battery replacement operation, water enters a sealing cavity between the two connectors due to the fact that a battery pack is installed for other reasons, and the current quick-change connector structure cannot identify the water inlet risk.
Chinese patent CN201811642277.9 published 7.7.2020 discloses an electrical connector, which is a battery end connection part of a quick-change connector and is used for connecting with a battery pack, wherein the electrical connector is provided with a sealing detection device for detecting air pressure in a cavity formed after the electrical connector and a vehicle end electrical connector are in butt joint and electrical connection. However, when water is not caused by poor sealing, for example, when a battery pack is mounted due to other reasons during battery replacement operation, water enters the sealed cavity between the two connectors, and the water entering risk cannot be known by detecting the air pressure in the cavity at the moment.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an electric connection device in order to overcome and to trade electric connection device among the prior art and can not in time effectively discern the unsafe defect that leads to driving to its risk of intaking.
The utility model discloses an above-mentioned technical problem is solved through following technical scheme:
an electric connection device comprises a vehicle end electric connection device and a battery end electric connection device which are mutually matched to realize electric connection, wherein when the vehicle end electric connection device and the battery end electric connection device are matched to realize electric connection, the vehicle end electric connection device and the battery end electric connection device are respectively connected with the matching ends of the vehicle end electric connection device and the battery end electric connection device through sealing pieces to form a closed cavity, and the electric connection device also comprises at least one detection element;
the detection element comprises a detection part, and the detection part extends into the closed cavity;
the detection element is used for generating a trigger signal after water enters the closed cavity.
The detection element extends into the closed cavity to detect water inflow of the closed cavity, so that the electric connection device can realize active judgment of water tightness according to a trigger signal generated by water inflow, the water tightness performance of the electric connection device after power replacement can be found in time, the water inflow condition caused by power replacement operation can be detected, and the driving safety is further improved.
Preferably, the detection element is mounted on the vehicle-end electrical connection device, and the detection portion extends into an electrical connection area between the vehicle-end electrical connection device and the battery-end electrical connection device of the closed cavity.
The electric connection region between the vehicle end electric connection device and the battery end electric connection device belongs to a high risk region, and once water enters, the performance of the whole electric connection device is greatly influenced, so that the detection part is particularly arranged to stretch into the electric connection region between the vehicle end electric connection device and the battery end electric connection device of the closed cavity, and the detection accuracy is improved.
Preferably, the detection element further comprises a signal generating portion;
the signal generation portion with the detection portion links to each other for detect at the detection portion intake after generating the trigger signal in the closed cavity.
Preferably, the detection element further comprises a signal transmission part;
the signal transmission part is respectively connected with the signal generation part and the external controller and is used for transmitting the trigger signal generated by the signal generation part to the external controller.
The signal generation portion and the signal transmission portion of detecting element cooperate and use, and the portion that takes place is used for in time generating trigger signal when detecting into water to send to external control ware in time through signal transmission portion, in order to supply external control ware in time to discover the watertight performance after electric connection device trades the electricity.
Preferably, the detection part comprises two probes, and the two probes extend out of one side of the vehicle-end electric connection device, which is in butt joint with the battery-end connection device, into the closed cavity;
the two probes are used for conducting in a state of contacting water;
the signal generating part is used for generating the trigger signal when the two probes are conducted.
Through the setting of two probes, whether intake in the cavity can be simply direct knowing to seal, this implementation is simple and easy, and the cost is lower.
Preferably, the signal transmission part is connected with a low voltage signal line of a vehicle end electric connection device so as to transmit the trigger signal to the external controller through the low voltage signal line.
In order to ensure that the detection element can timely and effectively send the trigger signal of whether water enters the water inlet to the external controller, the transmission of the trigger signal is realized through a low-voltage signal wire of the vehicle-end electric connection device.
Preferably, the detection element further comprises a power input part;
the power input part is connected with a low-voltage power supply line of the vehicle-end electric connection device to supply power to the detection element.
In order to ensure that the detection element can work continuously, the detection element is supplied with power through a low-voltage power supply wire of the vehicle-end electric connection device.
Preferably, the length of the two probes extending out of the trolley end electric connection device is less than the length of the conductive electrode column of the trolley end electric connection device.
The length of the probe extending out of the vehicle-end electric connection device is smaller than the length of the conductive electrode column, so that the arrangement of the probe cannot influence the butt joint of the conductive electrode column in the vehicle-end electric connection device and the battery-end electric connection device, and the probe can be protected from being damaged due to the fact that the conductive electrode column of the battery-end electric connection device touches the probe.
Preferably, the height of the two probes is lower than that of the conductive electrode column of the vehicle-end electric connection device.
The electric connection region between car end electric connection device and the battery end electric connection device belongs to the high risk region, and in case intake, it is great to whole electric connection device's performance influence, and car end electric connection device is when the user state, and the side of leading electric pole place is perpendicular or near perpendicular to bottom surface, therefore will guarantee into water the validity that detects in electric connection region's the vertical direction, consequently, when highly setting up the probe, the height that needs two probes is less than car end electric connection device's leading electric pole's height to just can detect danger when the leading electric pole has not been soaked to water.
Preferably, the vehicle-end electrical connection device comprises a housing, and the detection element is connected to the inside of the housing.
Preferably, the first and second liquid crystal films are made of a polymer,
the detection element is a water sensor.
Preferably, the first and second liquid crystal films are made of a polymer,
the trigger signal is a dry contact signal.
This application adopts water logging sensor as detecting element, and is simple and convenient, and the cost is lower.
The utility model discloses an actively advance the effect and lie in: whether water is carried out in the closed cavity or not is detected in real time, the water tightness of the connector can be effectively, actively and quickly judged, when the water is detected in the closed cavity, warning information can be sent according to the trigger signal, a user is reminded of water inlet risks, and then the user can conveniently maintain the electric connection device in time, and the driving safety is further improved.
Drawings
Fig. 1 is a flowchart of a water inlet detection method of an electrical connection device according to embodiment 1 of the present invention.
Fig. 2 is a schematic connection diagram of an electrical connection device according to embodiment 2 of the present invention.
Fig. 3 is a schematic view of a part of the structure of the vehicle-end electrical connection device according to embodiment 2 of the present invention.
Fig. 4 is a partial schematic structural view of a detecting element in the electrical connection device according to embodiment 2 of the present invention.
Fig. 5 is a schematic block diagram of a detection element in the vehicle-end electrical connection device according to embodiment 2 of the present invention.
Fig. 6 is a first schematic view of the distribution of the conductive electrode posts and the probes in the electrical connection device according to embodiment 2 of the present invention.
Fig. 7 is a second schematic view of the distribution of the conductive electrode posts and the probes in the electrical connection device according to embodiment 2 of the present invention.
Fig. 8 is a partial schematic structural view of a vehicle-end electrical connection device according to embodiment 3 of the present invention.
Detailed Description
The present invention is further illustrated by way of the following examples, which are not intended to limit the scope of the invention.
Example 1
A water inlet detection method of an electric connection device comprises a vehicle end electric connection device and a battery end electric connection device which are mutually matched to realize electric connection, and when the vehicle end electric connection device and the battery end electric connection device are matched to realize electric connection, the vehicle end electric connection device and the battery end electric connection device are respectively connected with the matching ends of the vehicle end electric connection device and the battery end electric connection device through sealing pieces to form a closed cavity, as shown in figure 1, the water inlet detection method comprises the following steps:
and step 30, sending out warning information according to the trigger signal.
In this embodiment, step 20 may further include the following implementation manners:
and detecting whether the water inlet in the closed cavity reaches a preset height.
In this embodiment, whether carry out water to carry out real-time detection in the closed cavity, can be effective, initiative, the water tightness of rapid judgement connector also can detect out the condition of intaking that arouses because of trading the electric operation, when detecting the closed cavity back of intaking, can send warning information according to trigger signal to and remind the user in time to have the risk of intaking, and then can be convenient for the user to carry out in time maintenance to electric connecting device spare, further improve the security of driving a vehicle.
Example 2
An electric connection device, as shown in fig. 2, comprises a vehicle end electric connection device 1 and a battery end electric connection device 2 which are mutually matched to realize electric connection, when the vehicle end electric connection device 1 and the battery end electric connection device 2 are matched to realize electric connection, the vehicle end electric connection device 1 and the battery end electric connection device 2 are respectively connected with the mating ends of the vehicle end electric connection device 1 and the battery end electric connection device 2 through sealing pieces to form a closed cavity, as shown in fig. 3-4, the electric connection device further comprises at least one detection element 3; the detection element 3 is a water immersion sensor; the trigger signal is a dry contact signal.
The detection element 3 comprises a detection part 31, and the detection part 31 extends into the closed cavity; the detection element 3 is used to realize the water inflow detection method of the electrical connection device of embodiment 1. Wherein, detecting element 3 stretches into in the closed cavity, carries out into water detection to the closed cavity for electric connection device realizes the initiative judgement of water tightness according to the trigger signal that the intaking generated, can in time discover the watertight performance after electric connection device trades the electricity, further improves the security of driving a vehicle.
The vehicle-end electric connection device 1 includes a housing 11, and the detection element 3 is connected inside the housing 11.
The detection element 3 is mounted on the vehicle-end electric connection device 1, and the detection portion 31 extends into the electric connection region 4 between the vehicle-end electric connection device 1 and the battery-end electric connection device 2 of the closed cavity. It should be noted that the electrical connection region 4 between the vehicle-end electrical connection device 1 and the battery-end electrical connection device 2 belongs to a high risk region, and once water enters, the performance of the entire electrical connection device is greatly affected, so the detection portion 31 is particularly provided with the electrical connection region 4 between the vehicle-end electrical connection device 1 and the battery-end electrical connection device 2, which extend into the closed cavity, so as to improve the detection accuracy.
As shown in fig. 5, the detection element 3 further includes a signal generation section 32; the signal generating part 32 is connected with the detecting part 31 and is used for generating a trigger signal after the detecting part 31 detects that water enters the closed cavity.
The detection element 3 further includes a signal transmission section 33; the signal transmission unit 33 is connected to the signal generation unit 32 and the external controller, respectively, and is configured to transmit the trigger signal generated by the signal generation unit 32 to the external controller. The signal transmission portion 33 is connected to a low-voltage signal line of the vehicle-end electrical connection device 1 to transmit the trigger signal to the external controller through the low-voltage signal line.
It should be noted that, the signal generating portion 32 and the signal transmitting portion 33 of the detecting element 3 are used in cooperation, and the generating portion is used for generating a trigger signal in time when water inflow is detected, and sending the trigger signal to the external controller in time through the signal transmitting portion 33, so that the external controller can find the watertight performance of the electric connecting device after power is replaced in time.
The detection element 3 further includes a power input portion 34; the power input portion 34 is connected to a low-voltage power supply line of the vehicle-end electrical connection device 1 to supply power to the detection element 3.
Note that, the low-voltage signal line and the low-voltage power supply line of the vehicle-end electrical connection device 1 are actually PIN PINs (or referred to as PINs and PINs) of the vehicle-end electrical connection device 1, and the structure of the vehicle-end electrical connection device 1 may refer to the structure of the vehicle-end electrical connector described in the publication CN109119792A, which has 20 low-voltage PIN PINs, wherein the PIN PINs 3 and 4 may be connected to the power input unit 34 as low-voltage power supply lines, and the PIN PINs 11 and 12 may be connected to the signal transmission unit 33 as low-voltage signal lines.
The detection part 31 comprises two probes, and the two probes extend into the closed cavity from one side of the vehicle-end electric connection device 1, which is in butt joint with the battery-end connection device; the two probes are used for conducting in a state of contacting water.
As shown in fig. 6-7, in order to prevent the arrangement of the probes from affecting the butt joint of the conductive electrode posts in the car-end electrical connection device and the battery-end electrical connection device, and also to protect the probes from being damaged by the contact of the conductive electrode posts of the battery-end electrical connection device, the length of the two probes extending out of the car-end electrical connection device 1 is less than the length of the conductive electrode post 12 of the car-end electrical connection device 1, and because there are several conductive electrode posts 12, the length of the two probes extending out of the car-end electrical connection device 1 is preferably less than the length of the shortest conductive electrode post.
When the vehicle-end electric connection device is in use, the side surface where the conductive pole column is located is generally vertical or nearly vertical to the bottom surface, in order to ensure the effectiveness of water inflow detection in the vertical direction in the electric connection area 4, the height of the two probes is lower than that of the conductive pole column 12 of the vehicle-end electric connection device 1. So that when the electrical connection device is mounted on a vehicle, the probes are relatively close to the ground, and there are generally a plurality of conductive electrode posts of the vehicle-end electrical connection device 1, wherein there are two high-voltage electrode posts and a plurality of low-voltage electrode posts, and the heights of the two probes are preferably lower than that of the lowest conductive electrode post.
The signal generating unit 32 generates a trigger signal when the two probes are turned on.
In this embodiment, whether carry out water to carry out real-time detection in the closed cavity through detecting element 3, can be effective, initiative, the water tightness of rapid judgement connector, after detecting that the closed cavity is intake, can send warning information according to trigger signal to and remind the user in time to have the risk of intaking, and then can be convenient for the user to in time maintain electric connection device spare, further improve the security of driving.
Example 3
An electrical connection device comprises a vehicle end electrical connection device and a battery end electrical connection device, as shown in fig. 8, taking a vehicle end electrical connection device 1 as an example, the electrical connection device further comprises at least one detection element 3.
The detection element 3 comprises a detection part 31, and the detection part 31 extends into the vehicle-end electric connection device 1; the detection element 3 is used for realizing the water inlet detection of the vehicle-end electric connection device.
The detection part 31 comprises two probes, and the two probes extend into the vehicle-end electric connection device 1; the two probes are used for conducting under the state of contacting water to generate a trigger signal.
The detection element further comprises a signal generating part; the signal generating part is connected with the detecting part and used for generating a trigger signal after the detecting part detects that water enters the closed cavity.
The detection element further comprises a signal transmission part; the signal transmission part is respectively connected with the signal generation part and the external controller and is used for transmitting the trigger signal generated by the signal generation part to the external controller. The signal transmission part is connected with a low-voltage signal wire of the vehicle-end electric connection device so as to transmit the trigger signal to an external controller through the low-voltage signal wire.
The detection element further comprises a power input part; the power input part is connected with a low-voltage power supply line of the vehicle-end electric connection device so as to supply power to the detection element.
In this embodiment, whether carry out water and carry out real-time detection in to electric connection device through detecting element, can be effective, initiative, the water tightness of rapid judgement connector, after detecting electric connection device and intaking, can send warning information according to trigger signal to and remind the user in time to have the risk of intaking, and then can be convenient for the user to in time maintain electric connection device, further improve the security of driving.
The difference between the present embodiment 3 and the present embodiment 2 is that the detecting portion 31 extends into the interior of the vehicle-end electrical connection device 1, rather than the closed cavity formed by the vehicle-end electrical connection device 1 and the battery-end electrical connection device 2 after mating and electrical connection.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (12)
1. An electric connecting device comprises a vehicle end electric connecting device and a battery end electric connecting device which are mutually matched to realize electric connection, and when the vehicle end electric connecting device and the battery end electric connecting device are matched to realize electric connection, the vehicle end electric connecting device and the battery end electric connecting device are respectively connected with the matching ends of the vehicle end electric connecting device and the battery end electric connecting device through sealing pieces to form a closed cavity;
the detection element comprises a detection part, and the detection part extends into the closed cavity;
the detection element is used for generating a trigger signal after water enters the closed cavity.
2. The electrical connection device of claim 1, wherein the sensing element is mounted to the vehicle end electrical connection device and the sensing portion extends into an electrical connection area between the vehicle end electrical connection device and the battery end electrical connection device of the enclosed cavity.
3. The electrical connection device as claimed in claim 1, wherein the sensing element further comprises a signal generating portion;
the signal generation portion with the detection portion links to each other for detect at the detection portion intake after generating the trigger signal in the closed cavity.
4. The electrical connection device as claimed in claim 3, wherein the sensing member further comprises a signal transmission part;
the signal transmission part is respectively connected with the signal generation part and the external controller and is used for transmitting the trigger signal generated by the signal generation part to the external controller.
5. The electrical connection device as claimed in claim 3 wherein the sensing portion comprises two probes extending into the enclosed cavity from a side of the vehicle end electrical connection device that interfaces with the battery end connection device;
the two probes are used for conducting in a state of contacting water;
the signal generating part is used for generating the trigger signal when the two probes are conducted.
6. The electrical connection device as claimed in claim 4, wherein the signal transmission part is connected with a low voltage signal line of a vehicle-end electrical connection device to transmit the trigger signal to the external controller through the low voltage signal line.
7. The electrical connection device as claimed in claim 3, wherein the sensing element further comprises a power input;
the power input part is connected with a low-voltage power supply line of the vehicle-end electric connection device to supply power to the detection element.
8. The electrical connection device as claimed in claim 5 wherein the length of the two probes extending out of the vehicle end electrical connection device is less than the length of the conductive pole of the vehicle end electrical connection device.
9. The electrical connection device as claimed in claim 5 wherein the two probes have a height less than the height of the conductive posts of the cart-end electrical connection device.
10. The electrical connection device of claim 1, wherein the vehicle end electrical connection device includes a housing, the sensing element being attached to an interior of the housing.
11. The electrical connection device as claimed in claim 1 or 10 wherein the sensing element is a water sensor.
12. The electrical connection device as claimed in claim 1 wherein the trigger signal is a dry contact signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022222032.XU CN214124198U (en) | 2020-09-30 | 2020-09-30 | Electrical connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022222032.XU CN214124198U (en) | 2020-09-30 | 2020-09-30 | Electrical connection device |
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| CN214124198U true CN214124198U (en) | 2021-09-03 |
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| CN202022222032.XU Active CN214124198U (en) | 2020-09-30 | 2020-09-30 | Electrical connection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113959651A (en) * | 2021-09-30 | 2022-01-21 | 深圳市创亿欣精密电子股份有限公司 | Detachable sealing self-detection connector |
| WO2022068872A1 (en) * | 2020-09-30 | 2022-04-07 | 奥动新能源汽车科技有限公司 | Electric connection device and water inflow detection method therefor |
-
2020
- 2020-09-30 CN CN202022222032.XU patent/CN214124198U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022068872A1 (en) * | 2020-09-30 | 2022-04-07 | 奥动新能源汽车科技有限公司 | Electric connection device and water inflow detection method therefor |
| CN113959651A (en) * | 2021-09-30 | 2022-01-21 | 深圳市创亿欣精密电子股份有限公司 | Detachable sealing self-detection connector |
| CN113959651B (en) * | 2021-09-30 | 2024-04-26 | 深圳市创亿欣精密电子股份有限公司 | Detachable tightness self-detection connector |
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