CN114094372A - Novel integrated high-voltage circuit on-off connection system - Google Patents
Novel integrated high-voltage circuit on-off connection system Download PDFInfo
- Publication number
- CN114094372A CN114094372A CN202111392496.8A CN202111392496A CN114094372A CN 114094372 A CN114094372 A CN 114094372A CN 202111392496 A CN202111392496 A CN 202111392496A CN 114094372 A CN114094372 A CN 114094372A
- Authority
- CN
- China
- Prior art keywords
- voltage
- contact
- contact body
- assembly shaft
- connection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000009471 action Effects 0.000 claims abstract description 8
- 238000012360 testing method Methods 0.000 claims description 23
- 230000001012 protector Effects 0.000 claims description 15
- 238000012544 monitoring process Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 description 19
- 238000010586 diagram Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000010354 integration Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Emergency Protection Circuit Devices (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
The invention discloses a novel 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 connecting device comprises a plurality of assembling shafts and a plurality of contact bodies, wherein the contact bodies are sequentially assembled on the assembling shafts at intervals, a conductive layer is arranged on the surface of each contact body, and the plurality of contact bodies can be conducted at high voltage through the conductive layers after being mutually contacted; the assembly shaft provides power through the power source, so that the assembly shaft can rotate or move and drive the contact body assembled by the assembly shaft to perform actions as required. The invention realizes the on-off of the high-voltage loop, has highly integrated system, safe and stable high-voltage on-off and smooth sliding contact, and can reduce the 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 a novel integrated on-off connection system of a high-voltage circuit.
Background
The electrification technology is rapidly developed in the fields of new energy automobiles, energy storage, photovoltaics, charging and replacing batteries and the like, wherein the realization of the controllable and reliable on-off function of a high-voltage loop is very key.
The main method at present is to adopt a relay component, indirectly realize the on-off function of closing or opening a high-voltage electric loop by controlling a low-voltage electric loop of the relay, and an on-off executing part of each 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 circuit anode, a main circuit cathode, a pre-charging circuit, a quick-charging circuit and the like, a plurality of independent relays, pre-charging resistors, current sensors and other independent components are integrated.
However, the assembly formed by integrating such loose components has the defects of dispersed components, complex integration and more connecting nodes; the adhesion failure of the relay is a common technical problem in the industry; solutions to such problems as rapid charging of large currents are to use linear oversizing of the component parts; high costs such as electromagnetic coils, structural parts, etc. due to the dispersion of components; the high-voltage circuit generates noise for many times when switching.
Therefore, it is desirable to design a new integrated high voltage circuit on-off connection system that overcomes the above problems.
Disclosure of Invention
The invention provides a novel integrated high-voltage circuit on-off connection system, which is used for realizing the establishment and disconnection of a high-voltage loop by controlling the contact and separation time of each contact body and each conducting layer to be timely and long different in the process of driving an assembly shaft by a power source.
In order to solve the technical problems, the invention adopts the technical scheme that:
the novel 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 on-off connecting device comprises a plurality of assembling shafts and a plurality of contact bodies, wherein the contact bodies are sequentially assembled on the assembling shafts at intervals, a conductive layer is arranged on the surface of each contact body, and the plurality of contact bodies can be conducted at high voltage through the conductive layers 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 contact body assembled by the assembly shaft to perform actions as required.
In order to solve the technical problem, the invention adopts the further technical scheme that:
the high-voltage power supply comprises a first high-voltage power supply, the first high-voltage power supply passes through a first high-voltage connecting terminal and a second high-voltage connecting terminal of the high-voltage on-off connecting device and is electrically connected with the high-voltage on-off connecting device, a high-voltage load passes through a third high-voltage connecting terminal and a fourth high-voltage connecting terminal of the high-voltage on-off connecting device and is electrically connected with the high-voltage on-off connecting device, the first high-voltage power supply and the high-voltage load pass through a connecting interface of the high-voltage on-off connecting device and are connected to form a high-voltage loop, and the high-voltage on-off connecting device is fixedly connected with the high-voltage load through a structural body.
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 in a high-voltage mode through the first conductive layer after being in contact with each other.
The first assembly shaft and the second assembly shaft are powered by 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 which are assembled to perform actions as required.
The first contact, the second contact and the first high-voltage connecting terminal can be conducted through the first conducting layer at high voltage; the fourth contact body, the fifth contact body and the third high-voltage connecting terminal can be conducted through the first conducting layer at high voltage; the sixth contact and the fourth high-voltage connection terminal can be conducted at high voltage through the first conductive layer.
Furthermore, 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 conducting layer are all provided with test points, and the test points 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.
Furthermore, the test point is electrically connected with a circuit protector in series, and the circuit protector is a current sensor or a fuse protector; 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 in the high-voltage loop and stopping overcurrent of the high-voltage loop.
Furthermore, the integrated high-voltage circuit on-off connection system further comprises a controller, and the controller is electrically connected with the circuit protector.
Furthermore, N first high-voltage power supplies can be arranged, and the N first high-voltage power supplies are electrically connected in series or in parallel; wherein N is greater than or equal to 1.
Further, when the number of the first high-voltage power supplies is N, 2N high-voltage connecting terminals and contact bodies electrically connected with the first high-voltage power supply are correspondingly added to the high-voltage on-off connecting device, and no more than N power sources are added.
Furthermore, a third assembly shaft is connected between every two high-voltage connecting terminals, and the third assembly shaft provides power through the power source, so that the third assembly shaft can rotate or move and drives the contact bodies assembled by the third assembly shaft to perform actions as required.
The high-voltage on-off connecting device further comprises an electric device, wherein the electric device is electrically connected with the first high-voltage connecting terminal, the first contact body and the second contact body through the first conducting layer and can conduct at high voltage; the electric device is a heat dissipation resistance device.
Furthermore, the first assembly shaft, the second assembly shaft and the third assembly shaft are all of a heat dissipation body structure.
The invention has the beneficial effects that:
the assembly shaft is driven by a power source and 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 is followed by the first conducting layer on the contact body, and in a driving path, the second high-voltage connecting terminal is in contact connection with the first conducting layer of the sixth contact body through the first conducting layer of the third contact body to realize the electrical conduction with the fourth high-voltage connecting terminal; the first high-voltage connecting terminal is in contact connection with the first conducting layer of the fourth contact body through the first conducting layer of the first contact body to realize the electrical conduction with the third high-voltage connecting terminal, and also can be in contact connection with the first conducting layer of the fifth contact body through an electric device such as a heat dissipation resistance device; in the process of driving the second assembly shaft by the first power source, the establishment and disconnection of the high-voltage loop are realized by controlling the time difference between the contact and the disconnection of each contact body and the first conductive layer, and the method can be suitable for a series of power battery power-on or power-off processes such as high-voltage positive electrode connection, pre-charging process, high-voltage negative electrode connection, pre-charging connection disconnection and the like;
secondly, the first power source of the invention can provide power, the assembled contact body is driven to act as required by the rotation or the movement of the assembling shaft, according to specific requirements and requirements, temperature test points or voltage test points can be arranged on each high-voltage connecting terminal and the first conducting layer to detect and collect temperature values or voltage values in a high-voltage loop in real time and prevent the occurrence of faults or safety accidents caused by the temperature exceeding a design threshold value, the test points are electrically 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 current values in the high-voltage loop in real time and reporting the magnitude to a controller to execute high-voltage power-down, the fuse can be used for actively or passively disconnecting the high-voltage loop in the high-voltage loop and stopping overcurrent of the high-voltage loop when the current of the high-voltage loop exceeds the design threshold value, and the current sensor or the fuse is integrated on the high-voltage connecting terminal as required, the current sensor is used for collecting current information of the high-voltage on-off connecting device, and the fuse is used for disconnecting a high-voltage loop of the high-voltage on-off connecting device, so that high system integration with multiple functions is realized, and the safety and stability of on-off connection of a high-voltage circuit are greatly improved;
third, the first power source of the invention 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 can be kept and adhesion can be avoided, and 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, so that noise generation can be reduced or eliminated.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of a novel integrated high-voltage circuit on-off connection system according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a novel integrated high-voltage circuit on-off connection system according to embodiment 2 of the present invention;
fig. 3 is one of the structural schematic diagrams of the electric device described in embodiment 1, embodiment 2 and embodiment 3 of the present invention;
figure 4 is a second schematic structural diagram of the electrical device described in example 1, example 2 and example 3 of the present invention;
fig. 5 is a schematic structural diagram of the assembly axis as a heat sink in embodiments 1, 2 and 3 of the present invention (taking the first assembly axis as an example);
fig. 6 is a schematic structural diagram of the structural body as a heat sink in embodiment 1, embodiment 2 and embodiment 3 of the present invention;
fig. 7 is a second schematic structural view of the structural body as a heat sink in embodiment 1, embodiment 2 and embodiment 3 of the present invention;
fig. 8 is one of the execution action diagrams (establishing a high-voltage loop) of the novel integrated high-voltage circuit on-off connection system according to embodiment 1 of the present invention;
fig. 9 is a second execution diagram (establishing a high-voltage circuit) of the novel integrated high-voltage circuit on-off connection system according to embodiment 1 of the present invention;
fig. 10 is a third execution diagram (high voltage loop establishment) of a novel integrated high voltage circuit on-off connection system according to embodiment 1 of the present invention;
fig. 11 is a diagram of the fourth implementation of the new integrated high-voltage circuit on-off connection system according to embodiment 1 of the present invention (establishing a high-voltage loop);
fig. 12 is a fifth execution diagram (establishing a high-voltage loop) of the novel integrated high-voltage circuit on-off connection system according to embodiment 1 of the present invention;
fig. 13 is a fifth execution diagram (high-voltage circuit is disconnected) of the novel integrated high-voltage circuit on-off connection system according to embodiment 1 of the present invention;
fig. 14 is a schematic structural diagram of a novel integrated high-voltage circuit on-off connection system according to embodiment 2 of the present invention, in which a high-voltage loop is established in a series relationship of a plurality of high-voltage power supplies (taking a series relationship of 2 high-voltage power supplies as an example);
fig. 15 is a schematic structural diagram of a novel integrated on-off connection system for a high-voltage circuit according to embodiment 2 of the present invention, which establishes a high-voltage loop under the parallel relationship of multiple high-voltage power supplies (taking the parallel relationship of 2 high-voltage power supplies as an example);
fig. 16 is a schematic structural diagram of a novel integrated high-voltage circuit on-off connection system according to embodiment 3 of the present invention (the high-voltage on-off connection device has an insertion portion);
the parts in the drawings are marked as follows:
high-voltage on-off connection 100, structural body 110, first contact 111, second contact 112, third contact 113, fourth contact 114, fifth contact 115, sixth contact 116, first conductive layer 117, first mounting shaft 118, second mounting 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, electrical 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 mounting shaft 135, second high-voltage power supply 136, third high-voltage power supply 137, third power source 139, fourth power source 140, heat dissipation interface 141, heat dissipation member 142, heat dissipation medium 143, heat dissipation body 144, heat dissipation medium 145, The heat sink 147, the heat transfer 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 conductor 157, the ninth high-voltage connection terminal 158, the tenth high-voltage connection terminal 159, the second power source 160, the fourth mounting shaft 161, the female connector 162, the eleventh high-voltage connection terminal 164, the twelfth high-voltage connection terminal 165, the external component 166, the male connector 167, and the fourth high-voltage power source 168.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and the present invention will be described in detail with reference to the accompanying drawings. The invention may be embodied in other different forms, i.e. it is capable of various modifications and changes without departing from the scope of the invention as disclosed.
Example 1
A novel integrated high-voltage circuit on-off connection system is disclosed, as shown in fig. 1 and fig. 3-fig. 13, and 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 structural body 110;
high-voltage on-off connection 100 includes a first mounting shaft 118, a first contact 111, a second contact 112, a third contact 113, a second mounting shaft 119, a fourth contact 114, a fifth contact 115, and a sixth contact 116, first mounting shaft 118 is mounted with first contact 111, second contact 112, and third contact 113 in this order at intervals, second mounting shaft 119 is mounted with fourth contact 114, fifth contact 115, and sixth contact 116 in this order at intervals, surfaces of first contact 111, second contact 112, third contact 113, fourth contact 114, fifth contact 115, and sixth contact 116 are each provided with a layer of a first conductive layer 117, and first contact 111, second contact 112, third contact 113, fourth contact 114, fifth contact 115, and sixth contact 116 are in contact with each other and then are capable of high-voltage conduction through first conductive layer 117;
the first assembly shaft 118 and the second assembly shaft 119 are powered by the first power source 130, so that the first assembly shaft 118 and the second assembly shaft 119 can rotate or move and drive the first contact body 111, the second contact body 112, the third contact body 113, the fourth contact body 114, the fifth contact body 115 and the sixth contact body 116 which are assembled to perform actions as required;
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; fourth contact 114, fifth contact 115, and third high voltage connection terminal 122 can be turned on at high voltage through first conductive layer 117; the sixth contact 116 and the fourth high-voltage connection terminal 123 can be conducted at high voltage through the first conductive layer 117;
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 conductive layer 117 are all provided with a test point 127, and the test point 127 is a temperature test point or a voltage test point and is used for detecting and collecting a temperature value or a voltage value in a high-voltage loop in real time;
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 disconnecting the high-voltage loop in 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 100 further comprises an electrical component 126, the electrical component 126 being electrically connected to the first high-voltage connection 120, the first contact 111 and the second contact 112 via a first conductive layer 117 and being able to be switched on at high voltage; the electrical device 126 is a heat dissipating resistive 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 connecting terminal 120, the second high-voltage connecting terminal 124, the third high-voltage connecting terminal 122 and the fourth high-voltage connecting terminal 123 of the high-voltage on-off connecting device 100 through the connecting interface 121 to form a high-voltage loop; in the high-voltage on-off connection 100, the first contact 111, the second contact 112, and the third contact 113 are fitted on the first fitting shaft 118 at a distance, and the fourth contact 114, the fifth contact 115, and the sixth contact 116 are fitted on the second fitting shaft 119 at a distance; the surface of each contact body (as required) is provided with a first conductive layer 117, and the high-voltage conduction of the high-voltage connecting terminal can be realized through the first conductive layer 117; after the contacts contact each other, high voltage conduction is performed through the first conductive layer 117; an electric device 126, such as a heat-dissipating resistive device, 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 fourth contact 114 and fifth contact 115 are in high voltage conduction with 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, and then is conducted at high voltage;
the first power source 130 can provide power, the assembled contact bodies are driven to act as required by the rotation or movement of the assembling shaft, temperature test points or voltage test points can be arranged on each high-voltage connecting terminal and the conducting layer according to specific requirements and requirements, the temperature values or the voltage test points are used for detecting and collecting temperature values or voltage values in a high-voltage loop in real time and preventing faults or safety accidents caused by the fact that the temperature exceeds a design threshold value, the test points are electrically 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 current values in the high-voltage loop in real time and reporting the magnitude to a controller to execute high-voltage power-down, the fuse can be used for actively or passively disconnecting the high-voltage loop in the high-voltage loop and stopping overcurrent of the high-voltage loop when the current of the high-voltage loop exceeds the design threshold value, and the current sensor or the fuse is integrated on the high-voltage connecting terminal according to requirements, the current sensor is used for collecting current information of the high-voltage on-off connecting device, and the fuse is used for disconnecting a high-voltage loop of the high-voltage on-off connecting device, so that high system integration with multiple functions is realized, and the safety and stability of on-off connection of a high-voltage circuit are greatly improved; the high-voltage on-off connection 100 fixes, supports, protects, and reinforces all the components, etc. by the structural body 110.
As shown in fig. 3 and 4, in order to prevent the problem of high voltage drop caused by thermal effect exceeding the temperature range during the operation of the electrical device 126, when the electrical device 126, such as a heat dissipation resistor device, is designed as a heat dissipation interface 141, heat may be directly exchanged with air through the heat dissipation interface 141, or heat may be exchanged with heat through the heat dissipation member 142 and the heat dissipation medium 143, or heat may be indirectly exchanged with air through the structure body 110 or heat may be exchanged between the heat dissipation member 142 and the heat dissipation medium 143;
as shown in fig. 5, to prevent the thermal effect of the conductive circuit between the contacts and the first conductive layer 117 from being adversely affected, the first assembly shaft 118 and the second assembly shaft 119 may be configured as a heat sink 144, and heat may be exchanged to the cold end through a heat dissipation medium 145 in the heat sink 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 thermal effect of the circuit conducted by each contact and the first conductive layer 117, the heat may be indirectly exchanged with air through the structural body 110 through the heat dissipation medium 145, or exchanged to the cold end through the heat dissipation medium 145, the heat sink 147 and the heat transfer body 148;
as shown in fig. 8-13, taking an electrified power system 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 supply 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 butting of the first high-voltage connecting terminal 120 and the second high-voltage connecting terminal 124 does not limit the positive and negative poles, and the butting of the third high-voltage connecting terminal 122 and the fourth high-voltage connecting terminal 123 does not limit the positive and negative poles, but the butting of the first high-voltage connecting terminal 120 and the second high-voltage connecting terminal 124 needs to be consistent, and the butting of the third high-voltage connecting terminal 122 and the fourth high-voltage connecting terminal 123 needs to be consistent, and the consistent reason is not limited to a physical form and includes the actual situation of an electric circuit, wherein the arrow direction represents a current path, and the current direction can be reverse to that shown in the figure;
as shown in fig. 8, 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 are all not 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 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 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 is in conduction with the third high voltage connection terminal 122 through an electrical device 126 such as a heat sink resistor device, so that the high voltage loop can be charged, and the loop voltage at the high voltage load end can be raised;
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 an 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 connection with the conductive layer of the sixth contact 116, 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 first contact 111.
From fig. 8 to fig. 12, it is realized that the first high-voltage power supply 128, such as a power battery, and the high-voltage load 129 establish a high-voltage circuit through the high-voltage on-off connection 100. If the above process is reversed (arrow shown is reversed), the disconnection 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 can be directly disconnected, which is less and faster than the middle link of the inversion process of fig. 8 to 12.
Example 2
As shown in fig. 2, 14 and 15, in a scenario where a plurality of high voltage power supplies need different combination forms, 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 to the first high voltage connection terminal 120, and the other pole is equipotential to the second high voltage connection terminal 124 by being connected to the fifth high voltage connection terminal 134; 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 equipotential to the first high voltage connection terminal 120 by being connected to the sixth high voltage connection terminal 133; the third assembly shaft 135 is a heat sink structure; the 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 being identified by the arrow;
when the seventh contact 131 and the eighth contact 132 are shifted, the sixth high-voltage connection terminal 133 is conducted to the conductive layer of the seventh contact 131, the fifth high-voltage connection terminal 134 is conducted to 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 with the first high-voltage connecting terminal 120, and the other pole is connected with the fifth high-voltage connecting terminal 134 to realize equipotential with the sixth high-voltage connecting 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 is 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 being identified by the arrow;
the series and parallel relationship of the second high voltage power supply 136 and the third high voltage power supply 137 is generally achieved by the fourth power source 140 driving the seventh and eighth contacts 131, 132 into contact with the fifth and sixth high voltage connection terminals 134, 133 and the conductive layer, and the third power source 139 driving the fifth and sixth contacts 115, 116 into contact with the third high voltage connection terminal 122, the second high voltage connection terminal 124 and the conductive layer.
Example 3
As shown in fig. 16, the high-voltage on-off connection device 100 can be integrated with a similar quick-plug connector for expansion, taking fig. 16 as an example, in order to provide a high-voltage on-off connection device 150 with a quick-plug connection function, the seventh high-voltage connection terminal 151 and the eighth high-voltage connection terminal 152 can be connected with the fourth high-voltage power supply 168, and the ninth high-voltage connection terminal 158 and the tenth high-voltage connection terminal 159 can be connected with the high-voltage on-off connection device 150 with a quick-plug 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, the ninth contact 153, the tenth contact 154, the second conductive layer 155, and the second power source 160 in the high-voltage on-off connection device 150 with the quick-plug connection function are integrated according to the principle of the high-voltage on-off connection device 100 to achieve the same functions. The high-voltage on-off connecting device 150 with the quick plug-in connecting function can be fixedly installed on the male plug-in 167 through the installation interface of the female plug-in 162;
one end of the conductive body 157 is connected to the resistor 156, and the other end is connected to the seventh high-voltage connection terminal 151;
the ninth contact 153 and the tenth contact 154 are sequentially assembled on the fourth assembly shaft 161 at intervals, a second conductive layer 155 is disposed 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 at high voltage through the second conductive layer 155 after being contacted with each other.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures made by using the contents of the specification and the drawings, or other related technical fields, are encompassed by the present invention.
Claims (10)
1. The utility model provides a novel high-voltage circuit break-make connected system integrates, includes high voltage power supply, high-voltage load (129) and high-pressure break-make connecting device (100), its characterized in that: the high-voltage power supply is electrically connected with the high-voltage on-off connecting device (100) through a high-voltage connecting terminal, the high-voltage load (129) is electrically connected with the high-voltage on-off connecting device (100) through a high-voltage connecting terminal, and the high-voltage power supply and the high-voltage load (129) are connected through a connecting interface (121) of the high-voltage on-off connecting device (100) to form a high-voltage loop;
the high-voltage on-off connecting device (100) comprises a plurality of assembling shafts and a plurality of contact bodies, wherein the contact bodies are sequentially assembled on the assembling shafts at intervals, a conductive layer is arranged on the surface of each contact body, and the plurality of contact bodies can be conducted at high voltage through the conductive layers 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 contact body assembled by the assembly shaft to perform actions as required.
2. A novel integrated high-voltage circuit on-off connection system as claimed in claim 1, wherein: the high-voltage power supply comprises a first high-voltage power supply (128), the first high-voltage power supply (128) is connected with a first high-voltage connecting terminal (120) and a second high-voltage connecting terminal (124) of the high-voltage on-off connecting device (100) in an electric connection mode, a high-voltage load (129) is connected with a third high-voltage connecting terminal (122) and a fourth high-voltage connecting terminal (123) of the high-voltage on-off connecting device (100) in an electric connection mode, the first high-voltage power supply (128) is connected with a high-voltage load (129) through a connecting interface (121) of the high-voltage on-off connecting device (100) to form a high-voltage loop, and the high-voltage on-off connecting device (100) is fixedly connected with a structural body (110).
3. A novel integrated high-voltage circuit on-off connection system as claimed in claim 2, wherein: 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, surfaces of the first contact body (111), the second contact body (112), the third contact body (113), the fourth contact body (114), the fifth contact body (115) and the sixth contact body (116) are all provided with a layer of first conductive layer (117), and the first contact body (111), The second contact (112), the third contact (113), the fourth contact (114), the fifth contact (115) and the sixth contact (116) are in contact with each other, and then can conduct at high voltage through the first conductive layer (117).
4. A novel integrated high-voltage circuit on-off connection system as claimed in claim 3, wherein: the first assembly shaft (118) and the second assembly shaft (119) are powered by a first power source (130), so that the first assembly shaft (118) and the second assembly shaft (119) can rotate or move and drive the first contact body (111), the second contact body (112), the third contact body (113), the fourth contact body (114), the fifth contact body (115) and the sixth contact body (116) assembled by the first assembly shaft and the second assembly shaft to perform actions as required.
5. The novel integrated high-voltage circuit on-off connection system as claimed in claim 4, wherein: the first contact (111), the second contact (112), and the first high-voltage connection terminal (120) can be conducted at high voltage by 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 through the first conductive layer (117).
6. A novel integrated high-voltage circuit on-off connection system as claimed in claim 2, 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 a test point (127), and the test point (127) is a temperature test point or a voltage test point and is used for detecting and collecting a temperature value or a voltage value in a high-voltage loop in real time.
7. The novel integrated high-voltage circuit on-off connection system as claimed in claim 6, 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 disconnecting the high-voltage loop in the high-voltage loop and stopping overcurrent of the high-voltage loop.
8. A novel integrated high-voltage circuit on-off connection system as claimed in claim 7, 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).
9. A novel integrated high-voltage circuit on-off connection system as claimed in claim 2, wherein: the number of the first high-voltage power supplies (128) can be N, and N first high-voltage power supplies (128) are electrically connected in series or in parallel; wherein N is greater than or equal to 1.
10. A novel integrated high-voltage circuit on-off connection system as claimed in claim 9, wherein: when first high voltage power supply (128) set up N, high-pressure on-off connecting device (100) correspondingly add 2N with high-pressure connecting terminal, the contact that first high voltage power supply (128) electricity is connected, high-pressure on-off connecting device (100) correspondingly add not more than N power supply.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114094372A true CN114094372A (en) | 2022-02-25 |
| CN114094372B CN114094372B (en) | 2023-12-15 |
Family
ID=80303129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111392496.8A Active CN114094372B (en) | 2021-11-19 | 2021-11-19 | Integrated high-voltage circuit on-off connection system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114094372B (en) |
| WO (1) | WO2023087701A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115782592A (en) * | 2023-01-05 | 2023-03-14 | 上海鑫悉科技有限公司 | Integrated high-voltage control device |
| WO2023087701A1 (en) * | 2021-11-19 | 2023-05-25 | 恒义超然工业技术(上海)有限公司 | Novel integrated high-voltage circuit on/off connection system |
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
-
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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023087701A1 (en) * | 2021-11-19 | 2023-05-25 | 恒义超然工业技术(上海)有限公司 | Novel 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114094372B (en) | 2023-12-15 |
| WO2023087701A1 (en) | 2023-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114094372B (en) | Integrated high-voltage circuit on-off connection system | |
| CN100555825C (en) | Electrode converting circuit | |
| CN102214911B (en) | Superconducting magnet quenching protection device | |
| CN211700508U (en) | Battery heating circuit and electric automobile | |
| CN107579695B (en) | Energy feedback protection circuit and motor control system | |
| CN113629662B (en) | High-voltage interlocking system of train | |
| CN106100024A (en) | A kind of rush-harvesting and rush-planting DC charging motor switching at runtime protection circuit | |
| CN106696710B (en) | A kind of application method of high-voltage DC contactor safeguard protection for electric vehicle | |
| CN105656185A (en) | Switching device and switching system of uninterruptible power supply | |
| CN111231675A (en) | Battery management system and vehicle | |
| KR102521442B1 (en) | Heating systems, heating methods and devices, electrical appliances | |
| CN206774455U (en) | Motor-car relay contact deoxidation circuit | |
| CN103165960B (en) | Heating thermal insulation system for electrombile battery | |
| CN213124508U (en) | Fuel cell electrical control system | |
| CN209497259U (en) | Battery protecting circuit | |
| CN219779166U (en) | Temperature protection device and power battery pack | |
| CN215419719U (en) | Automatic switching device for alternating current and direct current power supplies of vehicle-mounted equipment | |
| CN212649353U (en) | Plug and play interface circuit | |
| CN111464178B (en) | Plug-and-play interface circuit | |
| CN219999075U (en) | Energy storage device | |
| CN104701084A (en) | Method for starting and mechanically cutting off power supply through rechargeable storage battery and relay device | |
| CN221227170U (en) | Charging circuit and charging pile | |
| CN219017750U (en) | High-voltage sampling protection device, power battery system and automobile | |
| CN211183413U (en) | Intelligent signal isolation circuit | |
| CN218112371U (en) | Alternating current discharging device of vehicle-mounted charger and vehicle-mounted charger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |