CN112909668A - Electrical connection assembly and defibrillator system - Google Patents
Electrical connection assembly and defibrillator system Download PDFInfo
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- CN112909668A CN112909668A CN202110305710.5A CN202110305710A CN112909668A CN 112909668 A CN112909668 A CN 112909668A CN 202110305710 A CN202110305710 A CN 202110305710A CN 112909668 A CN112909668 A CN 112909668A
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- 238000003780 insertion Methods 0.000 claims description 24
- 230000037431 insertion Effects 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 22
- 239000000243 solution Substances 0.000 description 8
- 230000009916 joint effect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010049418 Sudden Cardiac Death Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 208000014221 sudden cardiac arrest Diseases 0.000 description 1
- 238000003466 welding Methods 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
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
- H01R13/701—Structural association with built-in electrical component with built-in switch the switch being actuated by an accessory, e.g. cover, locking member
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/38—Applying electric currents by contact electrodes alternating or intermittent currents for producing shock effects
- A61N1/39—Heart defibrillators
- A61N1/3968—Constructional arrangements, e.g. casings
-
- 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
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/521—Sealing between contact members and housing, e.g. sealing insert
-
- 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
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
-
- 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
- H01R13/70—Structural association with built-in electrical component with built-in switch
- H01R13/71—Contact members of coupling parts operating as switch, e.g. linear or rotational movement required after mechanical engagement of coupling part to establish electrical connection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/12—Connectors or connections adapted for particular applications for medicine and surgery
Landscapes
- Health & Medical Sciences (AREA)
- Cardiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Electrotherapy Devices (AREA)
Abstract
The invention discloses an electrical connection assembly and a defibrillator system, wherein the electrical connection assembly comprises a first electrical connector and a second electrical connector; the first electric connector comprises a first shell, and the first magnetic suction piece and the first contact are arranged on the first shell; the second electric connector comprises a second shell, a second contact and a conductive elastic sheet, wherein the second shell can be butted with the first shell; the second contact is arranged opposite to the first contact and fixedly arranged on the second shell; the conductive elastic sheet comprises a fixing part, a connecting part and a free part, and the fixing part is fixedly connected with the second shell; the two ends of the connecting part are respectively connected with the fixed part and the free part, and the connecting part is arranged corresponding to the first magnetic part; the free part is positioned on one side of the second contact, which is far away from the first contact, and is arranged at an interval with the second contact; when the conductive elastic sheet is attracted by the first magnetic attraction piece, the free part is contacted with the second contact. According to the technical scheme, when the first electric connector and the second electric connector are not connected, the situation that a user touches the electric connectors by mistake to cause electric shock can be avoided.
Description
Technical Field
The invention relates to the field of medical appliances, in particular to an electric connection assembly and a defibrillator system.
Background
The defibrillator plays an important role in treating sudden cardiac arrest, and energy needs to be released to the heart of a human body through the defibrillation electrode pads in the using process of the defibrillator. The defibrillation electrode slice is connected with the connector in the defibrillator through the common connector, the gap is larger after the two connectors in the current market are plugged, and the gap between the metal contact inside the single connector and the shell is also larger, so that the dustproof and waterproof performance of the defibrillator is poorer. In addition, when the defibrillator is not used, the connector on the defibrillator is not disconnected with the high-voltage discharge circuit inside the defibrillator, so that the danger of electric shock is easily caused when an operator touches the connector by mistake.
Disclosure of Invention
The invention mainly aims to provide an electric connection assembly, aiming at solving the problem that an operator is easy to get an electric shock hazard when touching by mistake.
In order to achieve the above object, the present invention provides an electrical connection assembly, which includes a first electrical connector and a second electrical connector; the first electric connector comprises a first shell, a first magnetic suction piece arranged on the first shell and two first contacts arranged on the first shell; the second electric connector comprises a second contact, a second shell and a conductive elastic sheet; the number of the second contacts is two, each second contact is arranged opposite to one first contact, the second contacts are fixedly arranged in the second shell, and the second shell can be butted with the first shell so that the first contacts are electrically connected with the second contacts; the conductive elastic sheet comprises a fixing part, a connecting part and a free part, and the fixing part is fixedly connected with the second shell; one end of the connecting part is connected with the fixed part, the other end of the connecting part is connected with the free part, and the connecting part is arranged corresponding to the first magnetic part; the free part is positioned on one side of the second contact, which is far away from the first contact, and is arranged at an interval with the second contact; when the conductive elastic sheet is attracted by the first magnetic attraction piece, the free part is contacted with the second contact.
Optionally, the second electrical connector further includes a second magnetic attraction member, and the second magnetic attraction member is disposed between the first magnetic attraction member and the connecting portion.
Optionally, one of the first housing and the second housing is provided with an insertion block, and the other of the first housing and the second housing is provided with an insertion groove adapted to the insertion block, and the insertion block is inserted into the insertion groove.
Optionally, the second housing is provided with the plug block, and the second contact is fixedly connected to the plug block; the first shell is provided with the inserting groove, and the first contact is arranged on the bottom wall of the inserting groove.
Optionally, a fool-proof groove is further formed in the second housing, the insertion block is located in the fool-proof groove, and two opposite ends of the fool-proof groove are different in shape; the first shell is also convexly provided with a fool-proof block matched with the fool-proof groove.
Optionally, the second magnetic attraction piece is arranged in the fool-proof groove.
Optionally, the second contact is injection molded within the second housing.
Optionally, the number of the second contacts is two, the two second contacts are arranged at intervals, and the distance between the two second contacts is greater than 10 mm.
Optionally, the edge of one side of at least one of the first shell and the second shell corresponding to the other shell is provided with a sealing ring.
The invention also provides a defibrillator system which comprises a defibrillator body, an electrode plate and the electric connection assembly, wherein the first contact is electrically connected with the electrode plate, the second electric connector is installed on the defibrillator body, the defibrillator body is provided with a high-voltage discharge circuit, and the conductive elastic sheet is connected with the high-voltage discharge circuit.
According to the technical scheme, the first magnetic attraction piece is arranged on the first shell, the conductive elastic sheet and the second contact are arranged on the second shell, the fixed part of the conductive elastic sheet is fixed on the second shell, the free part of the conductive elastic sheet is located on the side, away from the first contact, of the second contact and is arranged at an interval with the second contact, and the connecting part of the conductive elastic sheet is arranged corresponding to the first magnetic attraction piece. When the first shell is butted with the second shell, the first contact is contacted with the second contact, and the conductive elastic sheet is subjected to the attraction force with the first magnetic attraction piece, the connecting part and the free part of the conductive elastic sheet move towards the direction close to the first magnetic attraction piece, namely the free part in the technical scheme of the invention moves towards the direction close to the second contact and is further contacted with the second contact, so that the effect of electrically connecting the second contact with the conductive elastic sheet is realized. Therefore, the technical scheme of the invention can ensure that the second contact of the second electric connector and the internal circuit thereof are in a power-off state when the first shell and the second shell are not butted; and the effects of automatically switching on the internal circuit of the second electric connector and electrically connecting the first electric connector and the second electric connector after the first shell and the second shell are butted can be ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is an exploded view of an embodiment of the electrical connection assembly of the present invention;
fig. 2 is a schematic structural view of another perspective of the second electrical connector in the electrical connection assembly of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | First |
110 | |
| 111 | Plug-in |
112 | Fool- |
| 120 | First |
130 | |
| 200 | Second |
210 | |
| 220 | |
221 | Plug-in |
| 222 | Fool- |
223 | Second connecting |
| 224 | |
230 | |
| 231 | Fixing |
232 | Connecting |
| 233 | |
240 | Second |
| 300 | Sealing ring |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides an electrical connection assembly.
In an embodiment of the present invention, as shown in fig. 1 and 2, the electrical connection assembly includes a first electrical connector 100 and a second electrical connector 200; the first electrical connector 100 includes a first housing 110, a first magnetic element 120 disposed on the first housing 110, and two first contacts 130 disposed on the first housing 110, where the number of the first contacts 130 is two; the second electrical connector 200 includes a second housing 220, a second contact 210 and a conductive spring 230; the second contacts 210 are provided with two second contacts and fixedly arranged on the second shell 220, each second contact 210 is arranged opposite to one first contact 130, and when the second shell 220 is butted with the first shell 110, the first contacts 130 are electrically connected with the second contacts 210; the conductive elastic piece 230 includes a fixing portion 231, a connecting portion 232 and a free portion 233, wherein the fixing portion 231 is fixedly connected to the second housing 220; one end of the connecting part 232 is connected with the fixing part 231, and the other end is connected with the free part 233, and the connecting part 232 is arranged corresponding to the first magnetic attraction piece 120; the free portion 233 is located on a side of the second contact 210 facing away from the first contact 130 and is spaced apart from the second contact 210; when the conductive elastic piece 230 is attracted by the first magnetic attraction piece 120, the free portion 233 contacts with the second contact 210.
The electric connector component in the technical scheme of the invention can be applied to a defibrillator system or a massager system. When the electrical connection assembly in the technical scheme of the invention is applied to a defibrillator system, the first contact 130 in the first electrical connector 100 can be electrically connected with the electrode plate, and the second electrical connector 200 is arranged in the defibrillator body and is electrically connected with a high-voltage discharge circuit in the defibrillator body through the conductive elastic sheet 230. The second electrical connector 200 in the technical solution of the present invention includes a second contact 210 and a conductive elastic sheet 230, which are disposed on a second housing 220, wherein the second contact 210 is used for contacting with the first contact 130 of the first electrical connector 100, so as to achieve an electrical connection effect between the second electrical connector 200 and the first electrical connector 100; the conductive elastic piece 230 is used for connecting with a high voltage discharge circuit in the instrument, so as to achieve the effect of connecting the second electrical connector 200 with the high voltage discharge circuit of the instrument. In addition, the fixing portion 231 of the conductive elastic piece 230 is connected to the second housing 220, so that the conductive elastic piece 230 has a stable installation effect. The free portion 233 of the conductive elastic piece 230 is located on a side of the second contact 210 away from the first contact 130, and is spaced from the second contact 210, so that the conductive elastic piece 230 and the second contact 210 are in an unconnected state in a natural state (i.e. a state of not being connected with the first connector) of the second electrical connector 200, thereby avoiding the danger of electric shock when a user mistakenly touches the second contact 210. When the first housing 110 and the second housing 220 are close to each other, because the connecting portion 232 of the conductive elastic sheet 230 is disposed corresponding to the first magnetic attraction piece 120 of the first housing 110, the first magnetic attraction piece 120 has an attraction force on the connecting portion 232, the connecting portion 232 of the conductive elastic sheet 230 moves toward the direction close to the first magnetic attraction piece 120, and further the free portion 233 of the conductive elastic sheet 230 is driven to move toward the direction close to the first magnetic attraction piece 120, and finally the free portion 233 contacts with the second contact 210, so that the conductive elastic sheet 230 inside the second connector is electrically connected with the second contact 210; further, after the first electrical connector 100 is mated with the second electrical connector 200, the second contact 210 is connected with the first contact 130, so that the electrical connection effect between the first electrical connector 100 and the second electrical connector 200 is achieved.
Specifically, the first contact 130 may employ a contact pin or a contact blade; the second contacts 210 may also be contact pins or blades. When the fixing portion 231 of the conductive elastic piece 230 is fixedly connected to the second housing 220, the fixing portion 231 and the second housing 220 may be fixed by screw connection, riveting, welding, or adhesion. In order to facilitate replacement of the conductive elastic sheet 230, the fixing portion 231 and the second housing 220 may be fixed in a screw connection manner according to the technical solution of the present invention. Specifically, the fixing portion 231 has a first connecting hole, the second housing 220 has a second connecting hole 223, and the screw penetrates through the first connecting hole and the second connecting hole 223, so as to achieve the effect of fixedly connecting the fixing portion 231 and the second housing 220. Of course, it can be understood that, in order to provide the second connector on the defibrillator body, the second housing 220 of the second connector may further be provided with a fixing hole 224, and the fixing member fixedly connects the second electrical connector 200 with the defibrillator body by penetrating the fixing hole 224. In the invention, two first contacts 130 and two second contacts 210 are arranged, and each second contact 210 is arranged opposite to one first contact 130, so that a pair of oppositely arranged first contacts 130 and second contacts 210 is connected to form a positive pole connection; the other pair of oppositely arranged first contact 130 and second contact 210 is connected to form a negative pole connection; when the two pairs of oppositely arranged first contacts 130 and second contacts 210 are all connected, the effect of completely connecting the first electrical connector 100 with the second electrical connector 200 is achieved. The number of the conductive elastic pieces 230 can be two, and the free portion 233 of each conductive elastic piece 230 corresponds to one second contact 210; alternatively, one conductive strip 230 may be provided, but the conductive strip has two free portions 233, and each free portion 233 corresponds to one second contact 210.
According to the technical scheme of the invention, the first magnetic attraction piece 120 is arranged on the first shell 110, the second shell 220 is provided with the conductive elastic sheet 230 and the second contact 210, the fixing part 231 of the conductive elastic sheet 230 is fixed on the second shell 220, the free part 233 of the conductive elastic sheet 230 is positioned on one side of the second contact 210, which is far away from the first contact 130, and is arranged at a distance from the second contact 210, and the connecting part 232 of the conductive elastic sheet 230 is arranged corresponding to the first magnetic attraction piece 120, so that when the first shell 110 and the second shell 220 are not butted, the conductive elastic sheet 230 and the first magnetic attraction piece 120 are not mutually attracted, so that the conductive elastic sheet 230 still keeps a state of being arranged at a distance from the second contact 210 under the action of self elastic force, further the second contact 210 is prevented from being communicated with the conductive elastic sheet 230, the second contact 210 is not electrified, and the danger of electric shock after a user mistaken. When the first housing 110 is abutted to the second housing 220, the first contact 130 is in contact with the second contact 210, and the conductive elastic piece 230 is attracted to the first magnetic attraction piece 120, the connecting portion 232 and the free portion 233 of the conductive elastic piece move toward the first magnetic attraction piece 120, that is, the free portion 233 in the technical solution of the present invention moves toward the second contact 210 and then contacts with the second contact 210, so as to achieve the effect of electrically connecting the second contact 210 and the conductive elastic piece 230. Therefore, the technical scheme of the invention can ensure that the second contact 210 and the internal circuit of the second electrical connector 200 are in a power-off state when the first shell 110 and the second shell 220 are not butted; and the effects of automatically connecting the internal circuit of the second electrical connector 200 and electrically connecting the first electrical connector 100 and the second electrical connector 200 after the first housing 110 and the second housing 220 are butted can be ensured.
Further, referring to fig. 1 and fig. 2, in order to facilitate the first electrical connector 100 and the second electrical connector 200 to realize the butt joint effect, the second electrical connector 200 further includes a second magnetic attraction element 240, and the second magnetic attraction element 240 is disposed between the first magnetic attraction element 120 and the connection portion 232.
Through the second magnetic attraction piece 240 arranged between the first magnetic attraction piece 120 and the connecting portion 232, on one hand, when the first casing 110 and the second casing 220 are close to each other, the first magnetic attraction piece 120 and the second magnetic attraction piece 240 have a good magnetic attraction effect, so that the butt joint effect of the first casing 110 and the second casing 220 is realized quickly, and the first electric connector 100 and the second electric connector 200 can be further ensured to be connected quickly. Moreover, after the first magnetic attraction piece 120 and the second magnetic attraction piece 240 are attracted and contacted, the second magnetic attraction piece 240 is magnetized, so that the connecting portion 232 of the conductive elastic sheet 230 can be attracted, the effect that the free portion 233 connected with the connecting portion 232 moves towards the second contact 210 is further achieved, and the effect that the free portion 233 is electrically connected with the second contact 210 is guaranteed. In this embodiment, the first magnetic attraction element 120 is disposed on the first casing 110 to attract the second magnetic attraction element 240 correspondingly, so as to achieve the butt joint effect between the first casing 110 and the second casing 220, and at the same time, the conductive elastic piece 230 and the second contact 210 can be electrically connected only by the first magnetic attraction element 120.
Further, referring to fig. 1 and fig. 2, one of the first housing 110 and the second housing 220 is provided with an insertion block 221, the other one is correspondingly provided with an insertion groove 111 adapted to the insertion block 221, and the insertion block 221 is inserted into the insertion groove 111.
By providing one of the first housing 110 and the second housing 220 with the insertion block 221 and the corresponding insertion groove 111, when the first housing 110 is abutted with the second housing 220, the insertion block 221 can be inserted into the insertion groove 111, thereby further ensuring that the first housing 110 is more stable and reliable after being abutted with the second housing 220.
Specifically, the first housing 110 may be provided with an insertion block 221, and the second housing 220 is correspondingly provided with an insertion groove 111; or, the second housing 220 is provided with an insertion block 221, and the first housing 110 is correspondingly provided with an insertion groove 111.
Further, referring to fig. 1 and fig. 2, in the present embodiment, the second housing 220 is provided with a plug block 221, and the second contact 210 is fixedly connected to the plug block 221; the first housing 110 is provided with a mating groove 111, and the first contact 130 is provided on a bottom wall of the mating groove 111.
By fixedly connecting the second contact 210 to the plug block 221, the first contact 130 is disposed on the bottom wall of the plug slot 111, so that the first contact 130 can be better protected in the plug slot 111; on the other hand, the first housing 110 and the second housing 220 are inserted into the insertion groove 111 through the insertion block 221 to achieve an insertion effect, and meanwhile, a good electrical connection effect between the first contact 130 and the second contact 210 can be further ensured.
Further, referring to fig. 1 and fig. 2, the second housing 220 further forms a fool-proof groove 222, the insertion block 221 is located in the fool-proof groove 222, and two opposite ends of the fool-proof groove 222 have different shapes; the first housing 110 further has a fool-proof block 112 protruding and fitting the fool-proof slot 222.
By forming the fool-proof groove 222 in the second housing 220, the plug block 221 is located in the fool-proof groove 222, and the second contact 210 disposed on the plug block 221 is further protected. The shapes of the two opposite ends of the fool-proof groove 222 are different, so that the fool-proof block 112 adapted to the fool-proof groove 222 and the fool-proof groove 222 have a fixed matching direction, thereby preventing the first electrical connector 100 from being inserted reversely when being inserted into the second electrical connector. Specifically, two different shapes of the arc, rectangle, or V-shape may be respectively adopted for the two end portions of the fool-proof groove 222. Of course, the shape of the two ends of the fool-proof groove 222 may be the same, but the two ends have different sizes. For example, the two ends of the fool-proof slot 222 may be arc-shaped, but the radius of the arc-shaped slots may be different; or both ends of the fool-proof groove 222 may be V-shaped, but the V-shaped opening angles at both ends may be different.
As shown in fig. 2, based on the solution that the second housing 220 is formed with the fool-proof slot 222, in this embodiment, the second magnetic member 240 is disposed in the fool-proof slot 222.
With such an arrangement, on the one hand, the second magnetic element 240 can be further protected, and on the other hand, in the process of attracting the first magnetic element 120 and the second magnetic element 240 to each other, the effect of inserting the fool-proof block 112 into the fool-proof slot 222 and inserting the inserting block 221 into the inserting slot 111 can be automatically achieved, and the effect of electrically connecting the first contact 130 arranged on the inserting block 221 and the second contact 210 arranged in the inserting slot 111 can also be achieved while the magnetic attraction effect of the first magnetic element 120 and the second magnetic element 240 is further achieved.
Further, as shown in fig. 2, the second contact 210 is injection molded into the second housing 220. By the arrangement, on one hand, the second contact 210 and the second shell 220 are in an integral structure, and the mounting stability of the second contact 210 is ensured; on the other hand, the second contact 210 is in close contact with the second housing 220, so that a large gap is prevented from occurring between the second contact 210 and the portion of the second housing 220 through which the second contact 210 passes, and dust or moisture can enter the interior of the defibrillator body through the gap.
It is understood that, in order to ensure the tightness of the installation of the first contact 130 with the first housing 110, the first contact 130 may also be fixedly connected with the first housing 110 by injection molding to the first housing 110.
Further, as shown in fig. 1, a sealing ring 300 is disposed on a side of at least one of the first casing 110 and the second casing 220 corresponding to the other one.
In this embodiment, a sealing ring 300 is disposed on a side of the first casing 110 facing the second casing 220; or a sealing ring 300 is arranged on one side of the second shell 220 facing the first shell 110; or the side of the first housing 110 facing the second housing 220 and the side of the second housing 220 facing the first housing 110 are both provided with the sealing rings 300. By such arrangement, after the first housing 110 and the second housing 220 are butted, the sealing connection between the two housings can be ensured. The sealing ring 300 fills the gap between the first electrical connector 100 and the second electrical connector 200, thereby effectively preventing dust and moisture from entering between the first electrical connector 100 and the second electrical connector 200.
Further, as shown in fig. 2, there are two second contacts 210, two second contacts 210 are spaced apart, and the distance between the two second contacts 210 is greater than 10 mm.
By setting the distance between the two second contacts 210 to be greater than 10mm, for example, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, etc., sufficient creepage distance and air gap can be ensured, the effect of separating the two second contacts 210 from each other is achieved, and the phenomenon of short circuit of the two second contacts 210 after the second contacts 210 are electrically connected with the high-voltage discharge circuit is avoided. Of course, there are two corresponding first contacts 130 in the first electrical connector 100, and the distance between the two first contacts 130 is set to be consistent with the distance between the two second contacts 210, so that the first contacts 130 can be mated with the second contacts 210. In addition, when the second electrical connector 200 is connected to the defibrillator, in order to adapt to the normal operating state of the defibrillator, the second contact 210 in this embodiment needs to be a contact with a rated current of more than 40A, and can be made of a metal material which is not easily oxidized, such as copper, gold, and the like.
The invention further provides a defibrillator system, which comprises a defibrillator body, electrode plates and an electric connection assembly, the specific structure of the electric connection assembly refers to the embodiment, and the defibrillator system adopts all technical schemes of all the embodiments, so that the defibrillator system at least has all beneficial effects brought by the technical schemes of the embodiments, and further description is omitted. The first contact 130 is electrically connected to the electrode plate, the second electrical connector 200 is mounted on the defibrillator body, the defibrillator body is provided with a high-voltage discharge circuit, and the conductive elastic piece 230 is connected to the high-voltage discharge circuit.
The conductive elastic sheet 230 is connected with the high-voltage discharge circuit, and the first contact 130 is connected with the electrode plate, so that when the first electrical connector 100 is close to the second electrical connector 200 and is in butt joint with the second electrical connector 200, the first magnetic attraction piece 120 drives the free portion 233 of the conductive elastic sheet 230 to be close to and contact with the second contact 210, thereby achieving the effect of electrically connecting the second contact 210, the conductive elastic sheet 230 and the high-voltage discharge circuit in the defibrillator body. Meanwhile, after the first electrical connector 100 is butted with the second electrical connector 200, the first contact 130 is in contact with the second contact 210 to be electrically connected, so that the electrical connection effect of the first electrical connector 100 and the second electrical connector 200 is realized, and the electrical connection effect of the defibrillator and the electrode pad is further realized.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An electrical connection assembly, comprising:
the first electric connector comprises a first shell, a first magnetic suction piece arranged on the first shell and two first contacts arranged on the first shell; and
a second electrical connector, the second electrical connector comprising:
a second housing;
the second contacts are fixedly arranged on the second shell, the number of the second contacts is two, and each second contact is arranged opposite to one first contact; when the second shell is butted with the first shell, the first contact is electrically connected with the second contact; and
the conductive elastic sheet comprises a fixed part, a connecting part and a free part, the fixed part is fixedly connected with the second shell, one end of the connecting part is connected with the fixed part, the other end of the connecting part is connected with the free part, and the connecting part is arranged corresponding to the first magnetic suction piece; the free part is positioned on one side of the second contact, which is far away from the first contact, and is arranged at an interval with the second contact;
when the conductive elastic sheet is attracted by the first magnetic attraction piece, the free part is contacted with the second contact.
2. The electrical connector assembly of claim 1, wherein the second electrical connector further comprises a second magnetic member disposed between the first magnetic member and the connecting portion.
3. The electrical connection assembly as claimed in claim 2, wherein one of the first housing and the second housing is provided with a plug block, and the other is provided with a plug groove adapted to the plug block, and the plug block is inserted into the plug groove.
4. The electrical connection assembly of claim 3, wherein the second housing is provided with the plug block, the second contact being fixedly connected to the plug block; the first shell is provided with the inserting groove, and the first contact is arranged on the bottom wall of the inserting groove.
5. The electrical connection assembly as claimed in claim 4, wherein the second housing further forms a fool-proof groove, the insertion block is located in the fool-proof groove, and opposite ends of the fool-proof groove are different in shape; the first shell is also convexly provided with a fool-proof block matched with the fool-proof groove.
6. The electrical connection assembly of claim 5, wherein the second magnetic element is disposed in the fool-proof slot.
7. The electrical connection assembly of any of claims 1-6, wherein the second contact is injection molded into the second housing.
8. The electrical connection assembly as recited in any one of claims 1 to 6, wherein there are two of the second contacts, the two second contacts being spaced apart and the distance between the two second contacts being greater than 10 mm.
9. The electrical connection assembly as claimed in any one of claims 1 to 6, wherein an edge of a side of at least one of the first and second housings corresponding to the other is provided with a sealing ring.
10. A defibrillator system is characterized by comprising a defibrillator body, electrode plates and the electric connection assembly as claimed in any one of claims 1 to 9, wherein the first contact is electrically connected with the electrode plates, the second electric connector is mounted on the defibrillator, the defibrillator is provided with a high-voltage discharge circuit, and the conductive elastic pieces are connected with the high-voltage discharge circuit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110305710.5A CN112909668A (en) | 2021-03-23 | 2021-03-23 | Electrical connection assembly and defibrillator system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110305710.5A CN112909668A (en) | 2021-03-23 | 2021-03-23 | Electrical connection assembly and defibrillator system |
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| CN112909668A true CN112909668A (en) | 2021-06-04 |
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| CN202110305710.5A Pending CN112909668A (en) | 2021-03-23 | 2021-03-23 | Electrical connection assembly and defibrillator system |
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Application publication date: 20210604 |
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