CN209963310U - Multi-contact electricity supplying device - Google Patents
Multi-contact electricity supplying device Download PDFInfo
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- CN209963310U CN209963310U CN201920959377.8U CN201920959377U CN209963310U CN 209963310 U CN209963310 U CN 209963310U CN 201920959377 U CN201920959377 U CN 201920959377U CN 209963310 U CN209963310 U CN 209963310U
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- 230000007246 mechanism Effects 0.000 claims abstract description 48
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- 238000010168 coupling process Methods 0.000 description 2
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- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
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Abstract
The utility model discloses a multi-contact electricity supplying device, which comprises an electricity supplying mechanism and an electricity receiving mechanism, wherein the electricity supplying mechanism comprises a contact fixing structure and a plurality of elastic electricity supplying contacts, and the elastic electricity supplying contacts are fixedly arranged on the contact fixing structure; the power receiving mechanism comprises a plurality of power receiving electrodes, each power receiving electrode covers an area range, each elastic power transmission contact can be in contact with one power receiving electrode, and the polarities of the elastic power transmission contacts and the power receiving electrodes which are in contact are the same; when in power supply, the elastic power supply contacts are contacted with the power receiving electrodes with the same polarity to form a plurality of current paths. The utility model discloses the requirement of machinery counterpoint, cooperation precision between power supply mechanism and power receiving mechanism has been reduced.
Description
Technical Field
The application relates to the technical field of power supply, in particular to a multi-contact power supply device.
Background
Along with the continuous appearance of novel mobile electrical equipment such as electric vehicle, unmanned aerial vehicle, robot, also continuously increasing for the power supply demand that mobile electrical equipment swiftly, stably, supply with electric energy (power supply) or supplementary electric energy (charge) high-efficiently.
The common power transmission methods mainly include contact conduction (such as wired power supply and wired charging) and electromagnetic coupling (such as wireless power supply and wireless charging). The power supply in the electromagnetic coupling mode does not need direct contact, the mechanical structure is simple, the use is convenient, certain freedom degree exists in space, but the electric energy transmission efficiency is low, and the power supply is not suitable for high-power supply or charging. Although the traditional contact conduction mode has high electric energy transmission efficiency, reliable power supply can be completed only by good connection and contact of conductors such as cables, contacts, electrodes and the like, the requirements on mechanical alignment and matching precision between power supply equipment and power receiving equipment are higher, or manual auxiliary contact and removal of a power supply plug are required, so that the power supply equipment is not convenient to rapidly and automatically supply power, remove and disconnect. Meanwhile, the contact conduction mode is influenced by the contact resistance between the contact and the electrode, so that the conditions of poor contact and overlarge contact resistance are easy to occur, and the amplitude, stability and reliable power supply of the received voltage are influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a multi-contact electricity supplying device, which comprises an electricity supplying mechanism and an electricity receiving mechanism, wherein the electricity supplying mechanism comprises a contact fixing structure and a plurality of elastic electricity supplying contacts, and the elastic electricity supplying contacts are fixedly arranged on the contact fixing structure; the power receiving mechanism comprises a plurality of power receiving electrodes, each power receiving electrode covers an area range, each elastic power transmission contact can be in contact with one power receiving electrode, and the polarities of the elastic power transmission contacts and the power receiving electrodes which are in contact with each other are the same; when in power supply, the elastic power supply contacts are in contact with the power receiving electrodes with the same polarity to form a plurality of current paths.
Preferably, the power supply mechanism further comprises a plurality of elastic sensing contacts, and the power receiving mechanism further comprises a plurality of sensing electrodes, wherein the elastic sensing contacts are fixedly arranged on the contact fixing structure; each sensing electrode covers an area range, so that each elastic sensing contact can be in contact with one sensing electrode, and the polarities of the elastic sensing contacts and the sensing electrodes which are in contact with each other are the same.
Preferably, the elastic power supply contact is fixedly arranged on the contact fixing structure in a linear shape, a curved shape or an array shape.
Preferably, the elastic sensing contacts are fixedly arranged on the contact fixing structure in a linear shape, a curved shape or an array shape.
Preferably, the contact fixing structure is a printed circuit board.
Preferably, the elastic power supply contact comprises a conductive contact, a spring, a shell and a fixed seat.
Preferably, the elastic sensing contact comprises a conductive contact, a spring, a shell and a fixed seat.
Compared with the prior art, the utility model discloses there are following technological effect:
1. the embodiment of the utility model provides a multicontact power transfer device is through many power transfer contact redundancy design, has improved whole power transfer system and has damaged, became invalid or fail the correct contact to individuality, a small amount of contact and correspond the tolerance ability of faults such as receiving the electrode, has reduced the requirement of machinery counterpoint, cooperation precision between power transfer mechanism and receiving the mechanism.
2. The embodiment of the utility model provides a multicontact power supply device receives the electric voltage and feeds back to the power through sensing contact real-time supervision, and the adjustment is given the electric voltage and is changed with pressure drop and the pressure drop that compensation contact resistance caused for the voltage supply that the powered device can stably obtain the settlement all the time has strengthened the adaptability of the system of giving the electricity to inefficacy, trouble such as contact oxidation, pollution, contact failure.
3. The embodiment of the utility model provides a multicontact power supply device simple structure, the cost is lower, easily production, installation.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts. In the drawings:
fig. 1 is a schematic structural view of a multi-contact power supply device according to an embodiment of the present invention;
FIG. 2 is a schematic view of a distribution structure of elastic electricity-supplying contacts of an electricity-supplying mechanism in embodiment 1 of the present invention;
FIG. 3 is a schematic distribution diagram of elastic power feeding contacts of the power feeding mechanism in embodiment 1 of the present invention;
fig. 4 is a schematic distribution diagram of the current-receiving electrodes of the current-receiving mechanism according to embodiment 1 of the present invention;
fig. 5 is a schematic view of a distribution structure of elastic power feeding contacts and elastic sensing contacts of a power feeding mechanism in embodiment 2 of the present invention;
fig. 6 is a schematic distribution diagram of elastic power feeding contacts and elastic sensing contacts of a power feeding mechanism in embodiment 2 of the present invention;
fig. 7 is a schematic distribution diagram of the current-receiving electrodes and the sensing electrodes of the current-receiving mechanism according to embodiment 2 of the present invention;
fig. 8 is a schematic structural view of an elastic power feeding contact/elastic sensing contact according to an embodiment of the present invention.
Detailed Description
The present invention provides a multi-contact electricity supplying device, which will be described in detail with reference to the accompanying drawings, wherein the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed embodiment and a specific operation process are provided, however, the present invention is not limited to the following embodiments, and those skilled in the art can modify and color the present invention without changing the spirit and content of the present invention.
Example 1
Referring to fig. 1, the multi-contact power transmission device includes a power transmission mechanism 1 for applying power and a power receiving mechanism 2 for receiving power, and transmits power from a power source end to an electrical device/equipment where the power receiving mechanism 2 is located through conductive contact between the power transmission mechanism 1 and the power receiving mechanism 2.
On one hand, the power supply mechanism 1 includes a contact fixing structure 11 and a plurality of elastic power supply contacts 13, all the elastic power supply contacts 13 are fixedly arranged on the same surface of the contact fixing structure 11, further, the elastic power supply contacts 13 are distributed in geometric shapes such as a straight line, a curve or an array, please refer to fig. 2-3, in this embodiment, the positive elastic power supply contact 13 is distributed in a rectangular area a on the contact fixing structure 11 made of the printed circuit board, the negative elastic power supply contact 13 is distributed in a rectangular area b on the contact fixing structure 11, all the elastic power supply contacts 13 with the same polarity are mutually conducted and redundant to form a contact group, and the positive and negative groups of elastic power supply contacts 13 with different polarities are respectively connected to the positive output end and the negative output end of a power supply through a lead, wherein the lead is enough to bear the maximum possible power supply current (the temperature rise is not more than a certain range when the maximum current passes through the lead in general); when the distribution of the elastic electricity-supplying contacts 13 on the contact fixing structure 11 is planned, a certain distance needs to be kept between the elastic electricity-supplying contacts 13 with different polarities so as to prevent short circuit, breakdown (for example, air breakdown or fixed structure breakdown) and electric leakage as much as possible;
on the other hand, the power receiving mechanism 2 includes a plurality of power receiving electrodes, each power receiving electrode covers an area range, so that each elastic power transmitting contact 13 can contact with one power receiving electrode, and the polarities of the elastic power transmitting contact 13 and the power receiving electrode that are in contact are the same, please refer to fig. 4, in this embodiment, the positive power receiving electrode is disposed in a rectangular a 'area on the power receiving mechanism 2, the negative power receiving electrode is disposed in a rectangular b' area on the power receiving mechanism 2, all the power receiving electrodes are disposed on a surface of the power receiving mechanism 2, the surface corresponds to the surface where the elastic power transmitting contact 13 of the power transmitting mechanism 1 is located, and the power receiving electrodes with different polarities are respectively connected to the power input terminals with the corresponding polarities of the power receiving equipment through a conducting wire, wherein the conducting wire is enough to carry the maximum possible power receiving.
When in power supply, the output end of the power supply is conducted with all the elastic power supply contacts 13 with the same polarity through the conducting wires, the elastic power supply contacts 13 with the same polarity are contacted with the power receiving electrodes with the corresponding polarity, and the power receiving electrodes are connected with the power supply input end with the corresponding polarity of the power receiving equipment through the conducting wires which are enough to bear the maximum working current, so that a current path is formed. It can be understood that even if the elastic power transmission contact and the power receiving electrode are spatially displaced due to incomplete opposite contact between the power transmission mechanism 1 and the power receiving mechanism 2, the basic power transmission function can be realized by only one elastic power transmission contact contacting with the power receiving electrode with the corresponding polarity, and of course, more elastic power transmission contacts effectively contacting with the power receiving electrode can more effectively reduce the contact resistance and the transmission loss.
Example 2
The power supply mechanism 1 further includes a plurality of elastic sensing contacts 12, the elastic sensing contacts 12 have the same mechanical structure as the elastic power supply contacts 13, the elastic power supply contacts 13 provide a power supply current path, and a received voltage sensing function is added to the power supply system, all the elastic sensing contacts 12 are fixedly disposed on the contact fixing structure 11 and are located on the same surface of the elastic power supply contacts 13 on the contact fixing structure 11, further, the elastic sensing contacts 12 are distributed in a linear, curved or array shape and other geometric shapes, please refer to fig. 5-6, in this embodiment, the positive elastic sensing contacts 12 are disposed in a d region on the contact fixing structure 11, the negative elastic sensing contacts 12 are disposed in an e region on the contact fixing structure 11, and all the elastic sensing contacts 12 with the same polarity are mutually conducted and mutually redundant to form a contact group, each group of elastic sensing contacts 12 with different polarities is connected to a positive compensation input end of a power supply through a lead respectively, and each group of elastic sensing contacts 12 with different polarities is connected to a positive compensation input end of the And a negative compensation input; the positive elastic electricity-supplying contacts 13 are distributed in a c rectangular area on the contact fixing structure 11 made of the printed circuit board, the negative elastic electricity-supplying contacts 13 are distributed in an f rectangular area on the contact fixing structure 11, and all the elastic electricity-supplying contacts 13 with the same polarity are mutually conducted and redundant to form a contact group, the positive elastic electricity-supplying contacts 13 and the negative elastic electricity-supplying contacts 13 with different polarities are respectively connected to the positive output end and the negative output end of the power supply through a lead, meanwhile, the power receiving mechanism 2 further comprises a plurality of sensing electrodes, each sensing electrode covers an area range, so that each elastic sensing contact can be contacted with one sensing electrode, and the polarities of the elastic sensing contact and the sensing electrode which are contacted are the same, please refer to fig. 7, in the embodiment, the positive sensing electrode is arranged in a d 'area on the power receiving mechanism 2, and the negative sensing electrode is arranged in an e' area on the power receiving mechanism 2, the positive electrode receiving electrode is arranged in a c 'rectangular area on the receiving mechanism 2, the negative electrode receiving electrode is arranged in an f' rectangular area on the receiving mechanism 2, all the receiving electrodes and the sensing electrodes are arranged on one surface of the receiving mechanism 2, and the surface corresponds to the surface where the elastic power supply contact 13 and the elastic sensing contact 12 of the power supply mechanism 1 are arranged; each group of power receiving electrodes with different polarities is respectively connected with a power supply input end of the power receiving equipment with the corresponding polarity through a lead, and the lead is enough to bear the maximum possible power receiving current; each group of sensing electrodes with different polarities is respectively connected with the power input end of the corresponding polarity of the powered device through a lead.
In the power supply process, the elastic sensing contact collects the actually obtained received voltage of the power receiving equipment through the sensing electrode contacted with the elastic sensing contact and feeds the received voltage back to the voltage adjusting circuit of the power supply through the compensation input end of the power supply, the voltage adjusting circuit compares the feedback voltage with the preset received voltage and dynamically adjusts the power supply voltage according to the difference between the feedback voltage and the preset received voltage so as to compensate voltage drop and voltage drop change caused by unstable contact resistance between the elastic power supply contact and the power receiving electrode.
Meanwhile, a feedback loop consisting of the sensing contact and the sensing electrode effectively solves the problems of drop and instability of receiving voltage caused by poor and unstable conductive contact between the power supply contact and the receiving electrode, ensures that a power receiving mechanism stably obtains the required power supply voltage, and can effectively prevent the failure and damage of electric devices and equipment which receive power supply, even caused by the fact that the power supply voltage is insufficient and unstable and cannot reliably work. The utility model discloses an increase the feedback loop that sensing contact, sensing electrode etc. are constituteed and solved because of the received voltage that the contact of awarding electricity, receiving between good, the unstable conductive contact caused falls and the unstable problem, improved the reliability and the security of awarding electricity.
It can be understood that in the present embodiment, the shape and position of the receiving electrode and the sensing electrode are the same or similar to the shape and position of the elastic power transmitting contact and the elastic sensing contact with corresponding polarity on the power transmitting mechanism, and the distribution area of the elastic power transmitting contact, the elastic sensing contact, the receiving electrode and the sensing electrode is not limited to the rectangle shown in fig. 3 and 4, but may be other shapes.
Therefore, the number of the elastic sensing contacts 12 and the elastic power transmission contacts 13 is not limited to the number shown in fig. 3 in this embodiment, and a reasonable number of the elastic sensing contacts 12 and the elastic power transmission contacts 13 may be provided according to the actual application requirements (for example, the current magnitude, the contact reliability requirement, and the like).
As an embodiment, the contact fixing structure 11 is a printed circuit board or other similar materials, so as to facilitate welding or connecting the elastic power supply contact/elastic sensing contact and a wire/socket connected to a power supply, and the contact fixing structure 11 may be fixed on the power supply mechanism by means of a screw hole or a snap fit.
Referring to fig. 8, the elastic sensing contact 12 and the elastic power transmission contact 13 include a conductive contact 121 made of copper and plated with gold, a spring 122, a housing 123 and a fixing base 124. The conductive contact 121 extends from one end inside the housing 123, the other end of the housing 123 is provided with a fixing seat 124, and the spring 122 is located inside the housing 123 and between the contact 121 and the fixing seat 124, and applies force in a direction of separating the two.
The embodiment of the utility model provides a reliable electrically conductive contact between electricity service equipment and powered device has been realized to the redundant contact structure of a plurality of elasticity that adopts, uses, maintains the convenience, on the basis that satisfies basic electricity service function greatly reduced between electricity service equipment and powered device machinery requirement to counterpoint, cooperation precision.
The disclosure above is only one specific embodiment of the present application, but the present application is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present application.
Claims (7)
1. A multi-contact power supply device is characterized by comprising a power supply mechanism and a power receiving mechanism, wherein,
the electricity supplying mechanism comprises a contact fixing structure and a plurality of elastic electricity supplying contacts, and the elastic electricity supplying contacts are fixedly arranged on the contact fixing structure;
the power receiving mechanism comprises a plurality of power receiving electrodes, each power receiving electrode covers an area range, each elastic power transmission contact can be in contact with one power receiving electrode, and the polarities of the elastic power transmission contacts and the power receiving electrodes which are in contact with each other are the same;
when in power supply, the elastic power supply contacts are in contact with the power receiving electrodes with the same polarity to form a plurality of current paths.
2. The multi-contact power supplying device according to claim 1, wherein said power supplying means further comprises a plurality of elastic sensing contacts, and said power receiving means further comprises a plurality of sensing electrodes, wherein,
the elastic sensing contact is fixedly arranged on the contact fixing structure;
each sensing electrode covers an area range, so that each elastic sensing contact can be in contact with one sensing electrode, and the polarities of the elastic sensing contacts and the sensing electrodes which are in contact with each other are the same.
3. The multi-contact power feeding device as claimed in claim 1, wherein the elastic power feeding contacts are fixedly arranged on the contact fixing structure in a linear shape, a curved shape or an array shape.
4. The multi-contact power feeding device as claimed in claim 1, wherein the elastic sensing contacts are fixedly arranged on the contact fixing structure in a linear shape, a curved shape or an array shape.
5. The multi-contact service device of claim 1, wherein the contact mounting structure is a printed circuit board.
6. The multi-contact power supply device as claimed in claim 1, wherein the elastic power supply contact comprises a conductive contact, a spring, a shell and a fixing seat.
7. The multi-contact service device of claim 1, wherein the resilient sensing contacts comprise conductive contacts, springs, housings, and holders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920959377.8U CN209963310U (en) | 2019-06-24 | 2019-06-24 | Multi-contact electricity supplying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920959377.8U CN209963310U (en) | 2019-06-24 | 2019-06-24 | Multi-contact electricity supplying device |
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| Publication Number | Publication Date |
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| CN209963310U true CN209963310U (en) | 2020-01-17 |
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| CN201920959377.8U Active CN209963310U (en) | 2019-06-24 | 2019-06-24 | Multi-contact electricity supplying device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110137733A (en) * | 2019-06-24 | 2019-08-16 | 祺步智能科技（上海）有限公司 | A kind of multiconductor electric feeding device |
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2019
- 2019-06-24 CN CN201920959377.8U patent/CN209963310U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110137733A (en) * | 2019-06-24 | 2019-08-16 | 祺步智能科技（上海）有限公司 | A kind of multiconductor electric feeding device |
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Address after: 201306 Shanghai Pudong New Area Nanhui new town No. 333, 1 building, 2 building. Patentee after: Xingluo artificial intelligence technology (Shanghai) Co.,Ltd. Country or region after: China Address before: 201306 Shanghai Pudong New Area Nanhui new town No. 333, 1 building, 2 building. Patentee before: QIBU INTELLIGENT TECHNOLOGY (SHANGHAI) Co.,Ltd. Country or region before: China |
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