CN114094372B - Integrated high-voltage circuit on-off connection system - Google Patents
Integrated high-voltage circuit on-off connection system Download PDFInfo
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- CN114094372B CN114094372B CN202111392496.8A CN202111392496A CN114094372B CN 114094372 B CN114094372 B CN 114094372B CN 202111392496 A CN202111392496 A CN 202111392496A CN 114094372 B CN114094372 B CN 114094372B
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- 230000009471 action Effects 0.000 claims abstract description 8
- 238000012360 testing method Methods 0.000 claims description 26
- 230000001012 protector Effects 0.000 claims description 14
- 238000012544 monitoring process Methods 0.000 claims description 5
- 230000010354 integration Effects 0.000 abstract description 5
- 230000017525 heat dissipation Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 8
- 230000005855 radiation Effects 0.000 description 8
- 238000013461 design Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 4
- 230000009467 reduction Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/6608—Structural association with built-in electrical component with built-in single component
- H01R13/6616—Structural association with built-in electrical component with built-in single component with resistor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/68—Structural association with built-in electrical component with built-in fuse
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- Microelectronics & Electronic Packaging (AREA)
- Emergency Protection Circuit Devices (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
The invention discloses an integrated high-voltage circuit on-off connection system, which comprises a high-voltage power supply, a high-voltage load and a high-voltage on-off connection device, wherein the high-voltage power supply is electrically connected with the high-voltage on-off connection device through a high-voltage connection terminal; the high-voltage on-off connection device comprises a plurality of assembly shafts and a plurality of contact bodies, wherein the contact bodies are assembled in sequence at intervals of the assembly shafts, a conductive layer is arranged on the surface of each contact body, and the contact bodies can be conducted under high voltage through the conductive layer after being contacted with each other; the assembly shaft is powered by a power source, so that the assembly shaft can rotate or move and drive the contact body assembled by the assembly shaft to execute actions according to requirements. The invention realizes high-voltage loop on-off, has high integration of the system, is safe and stable in high-voltage on-off, is in smooth sliding contact, and can reduce noise generation.
Description
Technical Field
The invention relates to the technical field of on-off connection of high-voltage circuits in energy supply equipment, in particular to an integrated on-off connection system of the high-voltage circuits.
Background
The electrified technology is rapidly developed in the fields of new energy automobiles, energy storage, photovoltaics, charging and battery replacement and the like, wherein the realization of the controllable and reliable on-off function of a high-voltage loop is very critical.
The main method at present is to adopt relay components, and indirectly realize the on-off function of closing or opening a high-voltage electric circuit by controlling a low-voltage electric circuit of a relay, wherein each on-off execution part of the relay is provided with an independent electromagnetic coil to provide power for a circuit on-off mechanism. In order to meet the functional requirements of a system such as a main loop anode, a main loop cathode, a pre-charging loop, a quick-charging loop and the like, a plurality of independent relays, pre-charging resistors, current sensors and other independent components are required to be integrated.
However, the assembly formed by integrating the loose components has the advantages of scattered components, complex integration and more connecting nodes; relay adhesion failure is a common technical problem in the industry; for solutions such as fast charging high currents, linear increases in component size are employed; high costs such as electromagnetic coils, structural parts, etc. due to component dispersion; multiple times of noise is generated when the high-voltage loop is switched.
Therefore, there is a need to design an integrated high-voltage circuit on-off connection system that can overcome the above-mentioned problems.
Disclosure of Invention
The invention provides an integrated high-voltage circuit on-off connection system, which aims at the problems in the prior art, and after the integrated high-voltage circuit on-off connection system is used, the high-voltage circuit is built and disconnected by controlling the time difference between the contact and the separation of each contact body and a conductive layer in the process of driving an assembly shaft by a power source, so that the integrated high-voltage circuit on-off connection system can be suitable for a series of power battery on-off processes such as high-voltage positive electrode connection, precharge process, high-voltage negative electrode connection and precharge connection disconnection, and the like, and can realize high-level system integration with multiple functions, greatly improve the safety and stability of the high-voltage circuit on-off connection, realize relatively smooth sliding contact and reduce or eliminate noise generation.
In order to solve the technical problems, the invention adopts the following technical scheme:
the integrated high-voltage circuit on-off connection system comprises a high-voltage power supply, a high-voltage load and a high-voltage on-off connection device, wherein the high-voltage power supply is electrically connected with the high-voltage on-off connection device through a high-voltage connection terminal, the high-voltage load is electrically connected with the high-voltage on-off connection device through the high-voltage connection terminal, and the high-voltage power supply is connected with the high-voltage load through a connection interface of the high-voltage on-off connection device to form a high-voltage loop;
the high-voltage on-off connection device comprises a plurality of assembly shafts and a plurality of contact bodies, wherein the contact bodies are assembled in sequence at intervals of the assembly shafts, a conductive layer is arranged on the surface of each contact body, and the contact bodies can be conducted under high voltage through the conductive layer after being contacted with each other; the assembly shaft is powered by a power source, so that the assembly shaft can rotate or move and drive the assembled contact body to execute actions as required.
The invention aims to solve the technical problems, and adopts the following further technical scheme:
further, the high-voltage power supply comprises a first high-voltage power supply, the first high-voltage power supply is electrically connected with the high-voltage on-off connecting device through a first high-voltage connecting terminal and a second high-voltage connecting terminal of the high-voltage on-off connecting device, the high-voltage load is electrically connected with the high-voltage on-off connecting device through a third high-voltage connecting terminal and a fourth high-voltage connecting terminal of the high-voltage on-off connecting device, the first high-voltage power supply is connected with the high-voltage load through a connecting interface of the high-voltage on-off connecting device to form a high-voltage loop, and the high-voltage on-off connecting device is fixedly connected through a structural body.
Further, the high-voltage on-off connection device comprises a first assembly shaft, a first contact body, a second contact body, a third contact body, a second assembly shaft, a fourth contact body, a fifth contact body and a sixth contact body, wherein the first assembly shaft is sequentially assembled with the first contact body, the second contact body and the third contact body at intervals, the second assembly shaft is sequentially assembled with the fourth contact body, the fifth contact body and the sixth contact body at intervals, a first conductive layer is arranged on the surfaces of the first contact body, the second contact body, the third contact body, the fourth contact body, the fifth contact body and the sixth contact body, and the first contact body, the second contact body, the third contact body, the fourth contact body, the fifth contact body and the sixth contact body can be conducted under high voltage through the first conductive layer after being contacted with each other.
Further, the first assembly shaft and the second assembly shaft provide power through a first power source, so that the first assembly shaft and the second assembly shaft can rotate or move and drive the first contact body, the second contact body, the third contact body, the fourth contact body, the fifth contact body and the sixth contact body assembled by the first assembly shaft and the second assembly shaft to execute actions according to requirements.
Further, the first contact body, the second contact body and the first high-voltage connection terminal can be conducted through the first conductive layer at high voltage; the fourth contact body, the fifth contact body and the third high-voltage connection terminal can be conducted through the first conductive layer in a high-voltage mode; the sixth contact and the fourth high-voltage connection terminal can be conducted through the first conductive layer at high voltage.
Further, the first high-voltage connecting terminal, the second high-voltage connecting terminal, the third high-voltage connecting terminal, the fourth high-voltage connecting terminal and the first conductive layer are all provided with test points, and the test points are temperature test points or voltage test points for detecting and collecting temperature values or voltage values in a high-voltage loop in real time.
Further, the test points are electrically connected with a circuit protector in series, and the circuit protector is a current sensor or a fuse; the current sensor is used for monitoring the magnitude of a current value in the high-voltage loop in real time; the fuse is used for actively or passively breaking the high-voltage loop and stopping overcurrent of the high-voltage loop.
Further, the integrated high-voltage circuit on-off connection system further comprises a controller, and the controller is electrically connected with the circuit protector.
Further, N first high-voltage power supplies may be provided, and N first high-voltage power supplies are electrically connected in series or in parallel; wherein N is 1 or more.
Further, when the number of the first high-voltage power supplies is N, the high-voltage on-off connection device is correspondingly additionally provided with 2N high-voltage connection terminals and contacts electrically connected with the first high-voltage power supplies, and is additionally provided with no more than N power supplies.
Further, a third assembly shaft is connected between every two high-voltage connection terminals, and the third assembly shaft provides power through the power source, so that the third assembly shaft can rotate or move and drive the contact body assembled by the third assembly shaft to execute actions according to requirements.
Further, the high-voltage on-off connection device further comprises an electric device, wherein the electric device is electrically connected with the first high-voltage connection terminal, the first contact body and the second contact body through the first conductive layer and can be conducted at high voltage; the electrical device is a heat sink resistor device.
Further, the first assembly shaft, the second assembly shaft and the third assembly shaft are all of a heat radiation body structure.
The beneficial effects of the invention are as follows:
1. the invention drives the assembly shaft through the power source, can rotate around the second assembly shaft or move along the direction of the second assembly shaft, the contact body on the second assembly shaft and the first conductive layer thereon follow up, in the driving path, the second high-voltage connecting terminal is in contact connection with the first conductive layer of the sixth contact body through the first conductive layer of the third contact body to realize the electric conduction with the fourth high-voltage connecting terminal; the first high-voltage connecting terminal is in contact connection with the first conductive layer of the fourth contact body through the first conductive layer of the first contact body to realize electric conduction with the third high-voltage connecting terminal, and can also realize electric conduction with the third high-voltage connecting terminal through electric devices such as a heat dissipation resistance device and contact connection between the first conductive layer of the second contact body and the first conductive layer of the fifth contact body; in the process of driving the second assembly shaft by the first power source, the high-voltage loop is established and disconnected by controlling the time and length difference between the contact and the separation of each contact body and the first conductive layer, and the method can be suitable for a series of power battery electrifying or electrifying processes such as high-voltage positive electrode connection, precharge process, high-voltage negative electrode connection, precharge connection disconnection and the like;
2. the first power source can provide power, the assembled contact body is driven to act according to the requirement through the rotation or the movement of the assembly shaft, a temperature test point or a voltage test point can be installed on each high-voltage connecting terminal and the first conducting layer according to specific requirements and requirements, the temperature test point or the voltage test point is used for detecting and collecting the temperature value or the voltage value in the high-voltage loop in real time, faults or safety accidents caused by the fact that the temperature exceeds a design threshold value are prevented, the test points are connected with a circuit protector in series, the circuit protector is a current sensor or a fuse, the current sensor is used for monitoring the magnitude of the current value in the high-voltage loop in real time and reporting the current value to a controller, high-voltage electricity is carried out, the fuse can be used for actively or passively disconnecting the high-voltage loop in the high-voltage loop when the current of the high-voltage loop exceeds the design threshold value, the current sensor or the fuse is integrated on the high-voltage connecting terminal according to requirements, the current sensor is used for collecting the current information of the high-voltage on-off connecting device, the fuse is used for disconnecting the high-voltage loop of the high-voltage on-voltage connecting device, high-voltage system integration of multiple functions is realized, and safety stability of high-voltage on-off connection is greatly improved;
3. according to the invention, the first power source can keep proper dislocation between the first conductive layers within a certain time after the first conductive layers are contacted according to actual needs, so that electric conduction and adhesion can be kept, and in addition, in the process of driving the second assembly shaft by the first power source, the first conductive layers on the fourth contact body, the fifth contact body and the sixth contact body are in relatively smooth sliding contact with the first conductive layers on the first contact body, the second contact body and the third contact body when in contact, so that noise generation can be reduced or eliminated.
The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of an integrated high-voltage circuit on-off connection system according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of an integrated high-voltage circuit on-off connection system according to embodiment 2 of the present invention;
fig. 3 is one of schematic structural views of the electric devices described in embodiment 1, embodiment 2 and embodiment 3 of the present invention;
fig. 4 is a second schematic structural view of the electric device described in embodiment 1, embodiment 2 and embodiment 3 of the present invention;
fig. 5 is a schematic structural view of the assembly shaft as a radiator in embodiment 1, embodiment 2 and embodiment 3 of the present invention (taking a first assembly shaft as an example);
fig. 6 is one of schematic structural diagrams of the structural body as a radiator in embodiment 1, embodiment 2 and embodiment 3 of the present invention;
FIG. 7 is a second schematic diagram showing the structure of the heat sink according to the present invention in examples 1, 2 and 3;
FIG. 8 is one of the execution action diagrams (high voltage loop is established) of an integrated high voltage circuit on-off connection system according to embodiment 1 of the present invention;
FIG. 9 is a second diagram of the implementation of an integrated high voltage circuit on-off connection system according to embodiment 1 of the present invention (high voltage loop is established);
FIG. 10 is a third diagram of the operation performed by an integrated high voltage circuit on-off connection system according to embodiment 1 of the present invention (high voltage loop is established);
FIG. 11 is a diagram of the operation performed by an integrated high voltage circuit on-off connection system according to embodiment 1 of the present invention (high voltage loop is established);
FIG. 12 is a diagram of the operation performed by an integrated high voltage circuit on-off connection system according to embodiment 1 of the present invention (high voltage loop is established);
FIG. 13 is a diagram of the operation performed by an integrated high voltage circuit on-off connection system according to embodiment 1 of the present invention (high voltage circuit is disconnected);
fig. 14 is a schematic structural diagram of an integrated high-voltage circuit on-off connection system according to embodiment 2 of the present invention (taking 2 high-voltage power supply series relationships as an example) in which a high-voltage circuit is built in a plurality of high-voltage power supply series relationships;
fig. 15 is a schematic structural diagram of an integrated high-voltage circuit on-off connection system according to embodiment 2 of the present invention (taking 2 high-voltage power supply parallel relations as an example) for establishing a high-voltage circuit in a parallel relation of a plurality of high-voltage power supplies;
fig. 16 is a schematic structural diagram of an integrated high-voltage circuit on-off connection system according to embodiment 3 of the present invention (the high-voltage on-off connection device has a plug-in portion);
the parts in the drawings are marked as follows:
high-voltage on-off connection device 100, structure 110, first contact 111, second contact 112, third contact 113, fourth contact 114, fifth contact 115, sixth contact 116, first conductive layer 117, first fitting shaft 118, second fitting shaft 119, first high-voltage connection terminal 120, connection interface 121, third high-voltage connection terminal 122, fourth high-voltage connection terminal 123, second high-voltage connection terminal 124, circuit protector 125, electric device 126, test point 127, first high-voltage power supply 128, high-voltage load 129, first power source 130, seventh contact 131, eighth contact 132, sixth high-voltage connection terminal 133, fifth high-voltage connection terminal 134, third fitting shaft 135, second high-voltage power supply 136 the third high-voltage power supply 137, the third power supply 139, the fourth power supply 140, the heat radiation interface 141, the heat radiation member 142, the heat radiation medium 143, the heat radiation body 144, the heat radiation medium 145, the heat radiation fin 147, the heat radiation body 148, the high-voltage on-off connection device 150 having a quick-plug connection function, the seventh high-voltage connection terminal 151, the eighth high-voltage connection terminal 152, the ninth contact 153, the tenth contact 154, the second conductive layer 155, the resistor 156, the conductive body 157, the ninth high-voltage connection terminal 158, the tenth high-voltage connection terminal 159, the second power supply 160, the fourth assembly shaft 161, the female plug 162, the eleventh high-voltage connection terminal 164, the twelfth high-voltage connection terminal 165, the external component 166, the male plug 167, and the fourth high-voltage power supply 168.
Detailed Description
The following specific embodiments of the invention are described in order to provide those skilled in the art with an understanding of the present disclosure. The invention may be embodied in other different forms, i.e., modified and changed without departing from the scope of the invention.
Example 1
An integrated high-voltage circuit on-off connection system, as shown in fig. 1 and fig. 3-13, comprises a first high-voltage power supply 128, a high-voltage load 129 and a high-voltage on-off connection device 100, wherein the first high-voltage power supply 128 is electrically connected with the high-voltage on-off connection device 100 through a first high-voltage connection terminal 120 and a second high-voltage connection terminal 124 of the high-voltage on-off connection device 100, the high-voltage load 129 is electrically connected with the high-voltage on-off connection device 100 through a third high-voltage connection terminal 122 and a fourth high-voltage connection terminal 123 of the high-voltage on-off connection device 100, the first high-voltage power supply 128 and the high-voltage load 129 are connected through a connection interface 121 of the high-voltage on-off connection device 100 to form a high-voltage loop, and the high-voltage on-off connection device 100 is fixedly connected through a structure 110;
the high-voltage on-off connection device 100 comprises a first assembly shaft 118, a first contact 111, a second contact 112, a third contact 113, a second assembly shaft 119, a fourth contact 114, a fifth contact 115 and a sixth contact 116, wherein the first assembly shaft 118 is provided with the first contact 111, the second contact 112 and the third contact 113 in sequence at intervals, the second assembly shaft 119 is provided with the fourth contact 114, the fifth contact 115 and the sixth contact 116 in sequence at intervals, the surfaces of the first contact 111, the second contact 112, the third contact 113, the fourth contact 114, the fifth contact 115 and the sixth contact 116 are provided with a first conductive layer 117, and the first contact 111, the second contact 112, the third contact 113, the fourth contact 114, the fifth contact 115 and the sixth contact 116 can be conducted in high voltage through the first conductive layer 117 after being contacted with each other;
the first assembling shaft 118 and the second assembling shaft 119 provide power through the first power source 130, so that the first assembling shaft 118 and the second assembling shaft 119 can rotate or move and drive the first contact 111, the second contact 112, the third contact 113, the fourth contact 114, the fifth contact 115 and the sixth contact 116 assembled by the first assembling shaft and the second assembling shaft to perform actions according to requirements;
the first contact 111, the second contact 112, and the first high-voltage connection terminal 120 can be conducted at high voltage through the first conductive layer 117; the fourth contact 114, the fifth contact 115, and the third high voltage connection terminal 122 can be conducted at high voltage through the first conductive layer 117; the sixth contact 116 and the fourth high-voltage connection terminal 123 can be conducted at high voltage by the first conductive layer 117;
the first high-voltage connection terminal 120, the second high-voltage connection terminal 124, the third high-voltage connection terminal 122, the fourth high-voltage connection terminal 123 and the first conductive layer 117 are all provided with test points 127, and the test points 127 are temperature test points or voltage test points for detecting and collecting temperature values or voltage values in a high-voltage loop in real time;
the test points 127 are electrically connected in series with a circuit protector 125, and the circuit protector 125 is a current sensor or a fuse; the current sensor is used for monitoring the magnitude of a current value in the high-voltage loop in real time; the fuse is used for actively or passively disconnecting the high-voltage loop and stopping overcurrent of the high-voltage loop;
the integrated high-voltage circuit on-off connection system further comprises a controller, and the controller is electrically connected with the circuit protector 125;
the high-voltage on-off connection device 100 further includes an electrical device 126, where the electrical device 126 is electrically connected to the first high-voltage connection terminal 120, the first contact 111, and the second contact 112 through the first conductive layer 117 and can be conducted under high voltage; the electrical device 126 is a heat sink resistor device.
A first high voltage power source 128, such as a power battery; a high voltage load 129, such as a high voltage inverter; the first high-voltage power supply 128 and the high-voltage load 129 are connected with the first high-voltage connection terminal 120, the second high-voltage connection terminal 124, the third high-voltage connection terminal 122 and the fourth high-voltage connection terminal 123 of the high-voltage on-off connection device 100 through the connection interface 121 to form a high-voltage loop; in the high-voltage on-off connection device 100, a first contact 111, a second contact 112, a third contact 113 are assembled on a first assembly shaft 118 at a certain distance, and a fourth contact 114, a fifth contact 115, and a sixth contact 116 are assembled on a second assembly shaft 119 at a certain distance; the surface of each contact body is provided with a first conductive layer 117 (according to the requirement), and the high-voltage conduction of the high-voltage connecting terminal can be realized through the first conductive layer 117; after the contact bodies are contacted with each other, the contact bodies are conducted under high voltage through the first conductive layer 117; an electric device 126 such as a heat dissipation resistance device, which is in high-voltage conduction with the first high-voltage connection terminal 120, the conductive layer of the first contact 111, and the conductive layer of the second contact 112 through the first conductive layer 117; the conductive layers of the fourth contact 114 and the fifth contact 115 are in high-voltage conduction with the third high-voltage connection terminal 122; the conductive layer of the sixth contact 116 is in contact with the fourth high voltage connection terminal 123 to conduct at high voltage;
the first power source 130 can provide power, the assembled contact body is driven to act according to the requirement through the rotation or the movement of the assembly shaft, a temperature test point or a voltage test point can be installed on each high-voltage connecting terminal and the conducting layer according to the specific requirement and the requirement, the temperature test point or the voltage test point is used for detecting and collecting the temperature value or the voltage value in the high-voltage loop in real time, faults or safety accidents caused by the fact that the temperature exceeds a design threshold value are prevented, the test points are connected with the circuit protector in series, the circuit protector is a current sensor or a fuse in an electric mode, the current sensor is used for monitoring the magnitude of the current value in the high-voltage loop in real time, reporting the current value to the controller, carrying out high-voltage reduction, and the fuse can be used for actively or passively disconnecting the high-voltage loop in the high-voltage loop when the current of the high-voltage loop exceeds the design threshold value, integrating the current sensor or the fuse is integrated on the high-voltage connecting terminal according to the requirement, the current sensor is used for collecting the current information of the high-voltage on-off connecting device, the fuse is used for disconnecting the high-voltage loop of the high-voltage connecting device, high-voltage system integration of various functions is achieved, and the safety stability of high-voltage on-off connection is greatly improved; the high voltage on-off connection device 100 fixes, supports, shields, strength, etc. all components through the structure 110.
As shown in fig. 3 and 4, in order to prevent the problem of high voltage reduction caused by the heat effect exceeding the temperature range during the operation of the electric device 126, such as a heat dissipation resistance device, is designed as a heat dissipation interface 141, and heat can be directly heat-exchanged with air through the heat dissipation interface 141, or heat can be heat-exchanged with air through the heat dissipation member 142 and the heat dissipation medium 143, or heat can be indirectly heat-exchanged with air through the structure 110, or heat exchange with the heat dissipation member 142 and the heat dissipation medium 143;
as shown in fig. 5, in order to prevent the thermal effect of the conductive circuit between each contact and the first conductive layer 117 from being negatively affected, the first mounting shaft 118 and the second mounting shaft 119 may be configured as a radiator 144, and heat is exchanged to the cold end through a heat dissipation medium 145 in the radiator 144;
as shown in fig. 6 and 7, taking the sixth contact 116 as an example, in order to prevent the negative effect of the heat effect of the conductive circuit between each contact and the first conductive layer 117, heat may be indirectly exchanged with air through the structure 110 via the heat dissipation medium 145, or heat is exchanged to the cold end via the heat dissipation medium 145, the heat dissipation fins 147 and the heat transfer body 148;
as shown in fig. 8-13, taking an electrified powertrain as an example, the first high-voltage connection terminal 120 and the second high-voltage connection terminal 124 are respectively connected to a first high-voltage power source 128, such as a positive electrode and a negative electrode of a power battery, and the third high-voltage connection terminal 122 and the fourth high-voltage connection terminal 123 are respectively connected to a positive electrode and a negative electrode of a high-voltage load 129; the butt joint of the first high voltage connection terminal 120 and the second high voltage connection terminal 124 does not limit the positive and negative electrodes, the butt joint of the third high voltage connection terminal 122 and the fourth high voltage connection terminal 123 does not limit the positive and negative electrodes, but the positive and negative electrodes of the butt joint of the first high voltage connection terminal 120 and the second high voltage connection terminal 124 need to be consistent, the positive and negative electrodes of the butt joint of the third high voltage connection terminal 122 and the fourth high voltage connection terminal 123 need to be consistent, the reason for the consistency is not limited to the physical form, and the physical form comprises the actual condition of an electric loop, wherein the arrow direction represents a current path, and the current direction can be reverse to the illustration;
as shown in fig. 8, none of the first contact 111 and the fourth contact 114, the second contact and the fifth contact 115, and the third contact 113 and the sixth contact 116 is in contact, the first high-voltage connection terminal 120 is disconnected from the third high-voltage connection terminal 122, and the second high-voltage connection terminal 124 is disconnected from the fourth high-voltage connection terminal 123;
as shown in fig. 9, the third contact 113 is in contact connection with the conductive layer of the sixth contact 116, and the second high voltage connection terminal 124 is in conduction with the fourth high voltage connection terminal 123;
as shown in fig. 10, the third contact 113 is in contact with the conductive layer of the sixth contact 116, the second contact 112 is in contact with the conductive layer of the fifth contact 115, the second high-voltage connection terminal 124 is conducted with the fourth high-voltage connection terminal 123, the first high-voltage connection terminal 120 is conducted with the third high-voltage connection terminal 122 through the electric device 126 such as a heat dissipation resistor device, so that charging of the high-voltage loop can be realized, and the loop voltage of the high-voltage load terminal is increased;
as shown in fig. 11, the third contact 113 is in contact connection with the conductive layer of the sixth contact 116, the second contact 112 is in contact connection with the conductive layer of the fifth contact 115, the first contact 111 is in contact connection with the conductive layer of the fourth contact 114, the second high voltage connection terminal 124 is in conduction with the fourth high voltage connection terminal 123, and the first high voltage connection terminal 120 and the third high voltage connection terminal 122 are in conduction with the fourth contact 114 through the electric device 126 such as a heat dissipation resistance device and the first contact 111.
As shown in fig. 12, the third contact 113 is in contact with the conductive layer of the sixth contact 116, the first contact 111 is in contact with the conductive layer of the fourth contact 114, the second high-voltage connection terminal 124 is in conduction with the fourth high-voltage connection terminal 123, and the first high-voltage connection terminal 120 and the third high-voltage connection terminal 122 are in conduction with the fourth contact 114 through the first contact 111.
From fig. 8 to 12, it is achieved that a first high-voltage power supply 128, such as a power battery, establishes a high-voltage circuit with a high-voltage load 129 via the high-voltage on-off connection 100. If the above procedure is inverted (arrow diagram is reversed), the opening operation of the high-voltage circuit can be achieved. Meanwhile, in some necessary scenarios, as shown in fig. 13, the first contact 111 and the fourth contact 114, and the third contact 113 and the sixth contact 116 may be directly disconnected, which is less intermediate steps than the inversion process of fig. 8 to 12, and is quicker.
Example 2
As shown in fig. 2, 14 and 15, in the scenario that a plurality of high-voltage power supplies need different combinations, the high-voltage on-off connection device 100 can be expanded, taking two high-voltage power supplies as an example, as shown in fig. 14, one pole of the second high-voltage power supply 136 is connected with the first high-voltage connection terminal 120, and the other pole is connected with the fifth high-voltage connection terminal 134 to realize equipotential with the second high-voltage connection terminal 124; one pole of the third high voltage power supply 137 is connected to the second high voltage connection terminal 124, and the other pole is connected to the sixth high voltage connection terminal 133 to be equipotential with the first high voltage connection terminal 120; the third assembly shaft 135 is a radiator structure; a parallel relationship of the second high voltage power supply 136 and the third high voltage power supply 137 is generally achieved, with the high voltage loop path identified by the arrow;
after the seventh contact 131 and the eighth contact 132 are shifted in position, the sixth high-voltage connection terminal 133 is conducted with the conductive layer of the seventh contact 131, the fifth high-voltage connection terminal 134 is conducted with the conductive layer of the eighth contact 132, and the seventh contact 131 and the eighth contact 132 are conducted. One pole of the second high-voltage power supply 136 is connected to the first high-voltage connection terminal 120, and the other pole is connected to the fifth high-voltage connection terminal 134 to realize an equipotential with the sixth high-voltage connection terminal 133; one pole of the third high voltage power supply 137 is connected to the second high voltage connection terminal 124, the other pole is connected to the sixth high voltage connection terminal 133, and the third assembly shaft 135 has a radiator structure; a series relationship of the second high voltage power supply 136 and the third high voltage power supply 137 is generally achieved, with the high voltage loop path identified by the arrow;
the seventh contact 131 and the eighth contact 132 are driven to contact the fifth high voltage connection terminal 134, the sixth high voltage connection terminal 133, and the conductive layer by the fourth power source 140, and the fifth contact 115, the sixth contact 116, and the third high voltage connection terminal 122, the second high voltage connection terminal 124, and the conductive layer by the third power source 139, a series relationship and a parallel relationship of the second high voltage power source 136 and the third high voltage power source 137 are generally achieved.
Example 3
As shown in fig. 16, the high-voltage on-off connection device 100 may be integrally extended with a similar quick connector, taking fig. 16 as an example, for a high-voltage on-off connection device 150 with a quick connection function, the seventh high-voltage connection terminal 151 and the eighth high-voltage connection terminal 152 may be connected with a fourth high-voltage power supply 168, and the ninth high-voltage connection terminal 158 and the tenth high-voltage connection terminal 159 may be externally connected with the high-voltage on-off connection device 150 with a quick connection function, such as the eleventh high-voltage connection terminal 164 and the twelfth high-voltage connection terminal 165 on the external component 166;
the electrical components such as the resistor 156 and the ninth contact 153 in the high-voltage on-off connection device 150 with the quick-plug connection function are integrated with the tenth contact 154, the second conductive layer 155 and the second power source 160 according to the principle of the high-voltage on-off connection device 100 to achieve the same function. The high-voltage on-off connection device 150 with the quick plug-in connection function can be fixedly installed with the male plug-in 167 through the installation interface of the female plug-in 162;
wherein, one end of the conducting body 157 is connected with the resistor 156, and the other end is connected with the seventh high-voltage connection terminal 151;
the ninth contact 153 and the tenth contact 154 are assembled in sequence at intervals of the fourth assembling shaft 161, a layer of second conductive layer 155 is arranged on the surfaces of the ninth contact 153 and the tenth contact 154, and the ninth contact 153 and the tenth contact 154 can be conducted under high voltage through the second conductive layer 155 after being contacted with each other.
The foregoing description is only illustrative of the present invention and is not to be construed as limiting the scope of the invention, and all equivalent structures made by the description of the invention and the accompanying drawings, or direct or indirect application in other related technical fields, are equally included in the scope of the invention.
Claims (6)
1. The utility model provides an integrate high-voltage circuit break-make connection system, includes high-voltage power supply, high-voltage load (129) and high-voltage break-make connecting device (100), its characterized in that: the high-voltage power supply is electrically connected with the high-voltage on-off connection device (100) through a high-voltage connection terminal, the high-voltage load (129) is electrically connected with the high-voltage on-off connection device (100) through a high-voltage connection terminal, and the high-voltage power supply is connected with the high-voltage load (129) through a connection interface (121) of the high-voltage on-off connection device (100) to form a high-voltage loop;
the high-voltage on-off connection device (100) comprises a plurality of assembly shafts and a plurality of contact bodies, wherein the contact bodies are assembled in sequence at intervals of the assembly shafts, a conductive layer is arranged on the surface of each contact body, and the contact bodies can be conducted under high voltage through the conductive layer after being contacted with each other; the assembly shaft provides power through a power source, so that the assembly shaft can rotate or move and drive the assembled contact body to execute actions according to requirements;
the high-voltage power supply comprises a first high-voltage power supply (128), the first high-voltage power supply (128) is electrically connected with the high-voltage on-off connection device (100) through a first high-voltage connection terminal (120) and a second high-voltage connection terminal (124) of the high-voltage on-off connection device (100), the high-voltage load (129) is electrically connected with the high-voltage on-off connection device (100) through a third high-voltage connection terminal (122) and a fourth high-voltage connection terminal (123) of the high-voltage on-off connection device (100), the first high-voltage power supply (128) and the high-voltage load (129) are connected through a connection interface (121) of the high-voltage on-off connection device (100) to form a high-voltage loop, and the high-voltage on-off connection device (100) is fixedly connected through a structure body (110);
the high-voltage on-off connection device (100) comprises a first assembly shaft (118), a first contact body (111), a second contact body (112), a third contact body (113), a second assembly shaft (119), a fourth contact body (114), a fifth contact body (115) and a sixth contact body (116), wherein the first assembly shaft (118) is sequentially assembled with the first contact body (111), the second contact body (112) and the third contact body (113) at intervals, the second assembly shaft (119) is sequentially assembled with the fourth contact body (114), the fifth contact body (115) and the sixth contact body (116) at intervals, the surfaces of the first contact body (111), the second contact body (112), the third contact body (113), the fourth contact body (117), the fifth contact body (115) and the sixth contact body (116) are provided with a first conductive layer (117), and the first contact body (111), the second contact body (112), the third contact body (113), the fourth contact body (114) and the sixth contact body (114) can be conducted with each other in a high voltage mode through the first conductive layer (116);
the first assembly shaft (118) and the second assembly shaft (119) provide power through a first power source (130), so that the first assembly shaft (118) and the second assembly shaft (119) can rotate or move and drive a first contact body (111), a second contact body (112), a third contact body (113), a fourth contact body (114), a fifth contact body (115) and a sixth contact body (116) assembled by the first assembly shaft and the second assembly shaft to execute actions according to requirements;
the first contact body (111), the second contact body (112) and the first high-voltage connection terminal (120) can be conducted under high voltage through the first conductive layer (117); the fourth contact body (114), the fifth contact body (115) and the third high-voltage connection terminal (122) can be conducted at high voltage through the first conductive layer (117); the sixth contact (116) and the fourth high-voltage connection terminal (123) can be conducted at high voltage by the first conductive layer (117).
2. The integrated high-voltage circuit on-off connection system according to claim 1, wherein: the first high-voltage connecting terminal (120), the second high-voltage connecting terminal (124), the third high-voltage connecting terminal (122), the fourth high-voltage connecting terminal (123) and the first conducting layer (117) are all provided with test points (127), and the test points (127) are temperature test points or voltage test points and are used for detecting and collecting temperature values or voltage values in a high-voltage loop in real time.
3. The integrated high-voltage circuit on-off connection system according to claim 2, wherein: the test point (127) is electrically connected with a circuit protector (125) in series, and the circuit protector (125) is a current sensor or a fuse; the current sensor is used for monitoring the magnitude of a current value in the high-voltage loop in real time; the fuse is used for actively or passively breaking the high-voltage loop and stopping overcurrent of the high-voltage loop.
4. An integrated high voltage circuit on-off connection system according to claim 3, wherein: the integrated high-voltage circuit on-off connection system further comprises a controller, and the controller is electrically connected with the circuit protector (125).
5. The integrated high-voltage circuit on-off connection system according to claim 1, wherein: the first high voltage power supply (128) may be provided with N, N of the first high voltage power supplies (128) electrically connected in series or in parallel; wherein N is 1 or more.
6. The integrated high-voltage circuit on-off connection system according to claim 5, wherein: when the first high-voltage power supply (128) is provided with N high-voltage on-off connection devices (100), 2N high-voltage connection terminals and contacts electrically connected with the first high-voltage power supply (128) are correspondingly additionally arranged, and the high-voltage on-off connection devices (100) are correspondingly additionally provided with not more than N power sources.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111392496.8A CN114094372B (en) | 2021-11-19 | 2021-11-19 | Integrated high-voltage circuit on-off connection system |
| PCT/CN2022/100021 WO2023087701A1 (en) | 2021-11-19 | 2022-06-21 | Novel integrated high-voltage circuit on/off connection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111392496.8A CN114094372B (en) | 2021-11-19 | 2021-11-19 | Integrated high-voltage circuit on-off connection system |
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| Publication Number | Publication Date |
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| CN114094372A CN114094372A (en) | 2022-02-25 |
| CN114094372B true CN114094372B (en) | 2023-12-15 |
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| CN202111392496.8A Active CN114094372B (en) | 2021-11-19 | 2021-11-19 | Integrated high-voltage circuit on-off connection system |
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| WO (1) | WO2023087701A1 (en) |
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| CN114094372B (en) * | 2021-11-19 | 2023-12-15 | 恒义超然工业技术(上海)有限公司 | Integrated high-voltage circuit on-off connection system |
| CN115782592A (en) * | 2023-01-05 | 2023-03-14 | 上海鑫悉科技有限公司 | Integrated high-voltage control device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107610980A (en) * | 2017-09-20 | 2018-01-19 | 威马智慧出行科技（上海）有限公司 | Relay and the electrokinetic cell circuit using the relay |
| CN212968802U (en) * | 2020-08-31 | 2021-04-13 | 八达电气有限公司 | Electric isolation power distribution device |
| CN113314901A (en) * | 2021-07-29 | 2021-08-27 | 南通市通州区精华电器有限公司 | Anti-electric shock wiring board |
| CN214164900U (en) * | 2020-11-30 | 2021-09-10 | 东风越野车有限公司 | New energy automobile high voltage distribution box |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114094372B (en) * | 2021-11-19 | 2023-12-15 | 恒义超然工业技术(上海)有限公司 | Integrated high-voltage circuit on-off connection system |
-
2021
- 2021-11-19 CN CN202111392496.8A patent/CN114094372B/en active Active
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2022
- 2022-06-21 WO PCT/CN2022/100021 patent/WO2023087701A1/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107610980A (en) * | 2017-09-20 | 2018-01-19 | 威马智慧出行科技（上海）有限公司 | Relay and the electrokinetic cell circuit using the relay |
| CN212968802U (en) * | 2020-08-31 | 2021-04-13 | 八达电气有限公司 | Electric isolation power distribution device |
| CN214164900U (en) * | 2020-11-30 | 2021-09-10 | 东风越野车有限公司 | New energy automobile high voltage distribution box |
| CN113314901A (en) * | 2021-07-29 | 2021-08-27 | 南通市通州区精华电器有限公司 | Anti-electric shock wiring board |
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| Publication number | Publication date |
|---|---|
| WO2023087701A1 (en) | 2023-05-25 |
| CN114094372A (en) | 2022-02-25 |
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