CN218180959U - Blind plug-in current voltmeter - Google Patents

Abstract

The application is suitable for the technical field of electronic equipment, and provides a blind-plugging type current voltmeter. The blind plug-in type current voltmeter comprises at least two electronic components, a connecting component and a guide piece, wherein the electronic components are sequentially stacked; the connecting assembly is arranged between the electronic assemblies and is used for electrically connecting the two adjacent electronic assemblies; the guide piece is arranged on the electronic assembly positioned on one side edge in each electronic assembly, and the guide piece sequentially penetrates through the rest electronic assemblies. The guide piece that sets up has played the guide effect, has improved accuracy, reliability and the assembly efficiency that a plurality of electronic component blind plugging connect.

Description

Blind-plug type current-voltage meter

Technical Field

The application belongs to the technical field of electronic equipment, and particularly relates to a blind-plugging type voltmeter.

Background

The printed circuit board, also called PCB, commonly used in communication equipment is designed to arrange wires on a board surface, then functional elements are installed, and finally, connection or transmission of electronic signals is formed by means of the communication of the wires. The transmission of low-frequency and high-frequency signals between PCB assemblies is generally performed through electrical devices such as cable assemblies, electrical connectors, or insulators.

In the prior art, one of two adjacent circuit boards in the volt-ammeter is provided with a male socket of an electric connector, the other circuit board is provided with a female socket of the electric connector, the two circuit boards are electrically connected through the plugging of the male socket of the electric connector and the female socket of the electric connector, but in the process of mutual connection, the tip of the male socket of the electric connector is easy to bend and damage due to the fact that the tip of the male socket of the electric connector is not aligned with the female socket of the electric connector, and meanwhile, the problems of low assembly efficiency, low reliability and the like exist.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application aims to provide a blind-mate type voltmeter and ammeter and aims to solve the technical problems that a plurality of circuit boards in the voltmeter are difficult to plug in and low in assembly efficiency in the connection process.

In order to achieve the above object, according to one aspect of the present application, there is provided a blind-mate voltmeter comprising at least two electronic components, a connecting component and a guide, wherein the electronic components are stacked in sequence; the connecting assembly is arranged between the electronic assemblies and is used for electrically connecting the two adjacent electronic assemblies; the guide piece is arranged on the electronic assembly positioned on one side edge in each electronic assembly, and the guide piece sequentially penetrates through the rest electronic assemblies.

Optionally, three electronic assemblies are provided, the three electronic assemblies are a first electronic assembly, a second electronic assembly and a third electronic assembly in sequence, and the guide member is arranged on the third electronic assembly; a first fixing screw is arranged between the first electronic component and the third electronic component, penetrates through the third electronic component and is screwed into the first electronic component so as to connect the first electronic component with the third electronic component; and a second fixing screw is arranged between the second electronic component and the third electronic component, passes through the second electronic component and is screwed into the third electronic component so as to connect the second electronic component with the third electronic component.

Optionally, the first electronic component includes a first circuit board and a first carrier, and the first circuit board is disposed on the first carrier; the second electronic assembly comprises a second circuit board and a second carrying piece, and the second circuit board is arranged on the second carrying piece and is electrically connected with the first circuit board; the third electronic component comprises a third circuit board and a third carrying piece, and the third circuit board is arranged on the third carrying piece and is electrically connected with the second circuit board.

Optionally, the first circuit board, the first carrying piece, the second circuit board, the third circuit board and the third carrying piece are sequentially stacked; the first standing groove that supplies the second circuit board to place is seted up towards the surface of second circuit board to the second carrier, and the second standing groove that supplies the third circuit board to place is seted up towards the surface of third circuit board to the third carrier.

Optionally, a third fixing screw passing through the first circuit board and screwed into the first carrying piece is arranged on the first circuit board, so that the first circuit board is connected with the first carrying piece; a fourth fixing screw which penetrates through the second circuit board and is screwed into the second carrying piece is arranged on the second circuit board, so that the second circuit board is connected with the second carrying piece; a clamping column is arranged at the bottom of the second placing groove and faces the direction of the third circuit board, a clamping hole for the clamping column to insert is formed in the third circuit board, and the third carrying piece and the third circuit board are clamped through the clamping column and the clamping hole; the surface of the second carrying piece close to the third circuit board is attached to the surface of the third circuit board close to the second carrying piece, and the second fixing screw penetrates through the second carrying piece and is screwed into the clamping column.

Optionally, the guide part is a guide post, a first end of the guide post is fixedly connected to the bottom of the second placing groove in the third carrying part, and the guide post sequentially passes through the second carrying part and the third carrying part; the first carrying piece, the second carrying piece, the third carrying piece and the guide column are all made of plastic materials; the guide column comprises two perpendicularly intersected components, the thickness of each component is more than or equal to 1/3 of the thickness of the third carrying part wall, and the thickness of each component is less than or equal to 2/3 of the thickness of the third carrying part wall.

Optionally, the connecting assembly includes a first connecting element, a second connecting element and a third connecting element, the first connecting element is disposed on a surface of the first circuit board facing the second circuit board and electrically connected to the first circuit board; the second connecting piece is arranged on the second circuit board and is electrically connected with the second circuit board, and the first circuit board and the second circuit board are electrically connected through the splicing of the first connecting piece and the second connecting piece; the third connecting piece is arranged on the surface of the third circuit board facing the second circuit board and is electrically connected with the third circuit board, and the second circuit board and the third circuit board are electrically connected through the second connecting piece and the third connecting piece in an inserting mode.

Optionally, the first connecting part and the third connecting part are a female socket of a board-to-board connector, the second connecting part is a male socket of a double-ended pin plate-to-board connector, the first end of the male socket of the double-ended pin plate-to-board connector is arranged towards the first circuit board, and the second end of the male socket of the double-ended pin plate-to-board connector is arranged towards the third circuit board.

Optionally, blind-mate formula volt ammeter still includes fixed subassembly, fixed subassembly includes spring and fixed pin, the mounting groove that supplies spring level to place is seted up to the side of guide, the first end of spring and the tank bottom fixed connection of mounting groove, the fixed pin level sets up, the second end and the fixed pin fixed connection of spring, offer on the first carrier and supply fixed pin male slot, the fixed pin has the position of dodging that can stop completely at the mounting groove and can insert the limiting position in the slot.

Optionally, the blind-mate voltmeter further comprises an avoiding assembly, the avoiding assembly comprises an avoiding rope and a fixed pulley, the guide piece is provided with a long groove communicated with the installation groove along the length direction, the first end of the avoiding rope and the fixed pin are close to the end face of the spring and fixedly connected, the second end of the avoiding rope penetrates out of the guide column through the installation groove and the long groove, the fixed pulley is fixedly connected to the end, away from the fixed pin, of the spring, the avoiding rope is arranged on the lower surface of the fixed pulley, and the avoiding assembly can enable the fixed pin to be switched to the avoiding position from the limiting position.

The application provides a blind-mate formula volt ammeter's beneficial effect lies in: compared with the prior art, the guide piece plays a role in guiding in the process of connecting the plurality of electronic assemblies, and improves the accuracy, reliability and assembly efficiency of blind plugging connection of the plurality of electronic assemblies.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is an exploded schematic view of a blind-mate voltmeter according to an embodiment of the present disclosure;

fig. 2 is an exploded view of a first electronic component, a second electronic component, and a third electronic component according to an embodiment of the disclosure;

fig. 3 is a schematic structural diagram of a blind-mate voltmeter according to an embodiment of the present disclosure;

fig. 4 is an exploded view of a third electronic assembly provided by an embodiment of the present application;

fig. 5 is an exploded schematic view of a second electronic component and a third electronic component provided in an embodiment of the present application;

fig. 6 is a cross-sectional view of a connection of a second carrier, a third circuit board, and a third carrier provided in an embodiment of the present application;

fig. 7 is an exploded schematic view of a first electronic component and a second electronic component and a third electronic component that have been connected according to an embodiment of the present application;

FIG. 8 illustrates a cross-sectional view of a mounting assembly and an attachment relationship of an avoidance line to a guide member in accordance with an embodiment of the present application.

Reference numerals referred to in the above figures are detailed below:

100. a first electronic component; 110. a first circuit board; 120. a first carrier; 121. a first fixed column; 122. a third fixing column; 200. a second electronic component; 210. a second circuit board; 220. a second carrier; 221. a first placing groove; 300. a third electronic component; 310. a third circuit board; 320. a third carrier; 321. a second placing groove; 322. a position clamping column; 323. a semicircular block; 400. a guide member; 510. a first connecting member; 520. a second connecting member; 530. a third connecting member; 600. a first set screw; 700. a second set screw; 800. a third set screw; 900. a fourth set screw; 1000. a fixing component; 1010. a spring; 1020. a fixing pin; 1100. and (4) avoiding the rope.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. The embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

As described in the background art, currently, one of two adjacent circuit boards in a current voltmeter is provided with a male socket of an electrical connector, the other circuit board is provided with a female socket of the electrical connector, and the two circuit boards are electrically connected by plugging the male socket of the electrical connector and the female socket of the electrical connector.

Referring to fig. 1 to 3, in order to solve the above problems, according to an aspect of the present application, an embodiment of the present application provides a blind-mate voltmeter including at least two electronic components, which are stacked in sequence, a connecting component, and a guide 400; the connecting assembly is arranged between the electronic assemblies and used for electrically connecting the two adjacent electronic assemblies; the guide 400 is disposed on one side edge of each electronic component, and the guide 400 sequentially passes through the rest of the electronic components.

In the embodiment of the present application, the number of the electronic components is three, and the two electronic components except the electronic component provided with the guide 400 are all provided with the guide through holes for the guide 400 to pass through. In specific application, the through holes of the two electronic components except the electronic component provided with the guide 400 are aligned with the guide 400, the two electronic components are sequentially penetrated on the guide 400, and then the three electronic components are electrically connected by using the connecting component. The guide piece 400 plays a guiding role, and improves the accuracy, reliability and assembly efficiency of blind-mate connection of a plurality of electronic assemblies.

Referring to fig. 1 to 4, the electronic components in this embodiment are three electronic components, which are, in turn, a first electronic component 100, a second electronic component 200, and a third electronic component 300, and a guide 400 is disposed on the third electronic component 300. A first fixing screw 600 is disposed between the first electronic component 100 and the third electronic component 300, and the first fixing screw 600 passes through the third electronic component 300 and is screwed into the first electronic component 100, so that the first electronic component 100 is connected to the third electronic component 300. A second fixing screw 700 is disposed between the second electronic component 200 and the third electronic component 300, and the second fixing screw 700 passes through the second electronic component 200 and is screwed into the third electronic component 300, so as to connect the second electronic component 200 and the third electronic component 300.

In the embodiment of the present application, the end of the first fixing screw 600 and the end of the second fixing screw 700 are disposed opposite to each other, the first fixing screw 600 is disposed on the third electronic component 300 and screwed into the first electronic component 100 along the direction from the third electronic component 300 to the first electronic component 100, and the second fixing screw 700 is disposed on the second electronic component 200 and screwed into the third electronic component 300 along the direction from the second electronic component 200 to the third electronic component 300. Specifically, the first electronic component 100 and the third electronic component 300 will be stably connected by the first fixing screw 600, and the second electronic component 200 will be confined between the first electronic component 100 and the third electronic component 300 because the second electronic component 200 is located between the first electronic component 100 and the third electronic component 300. Meanwhile, under the action of the second fixing screw 700, the second electronic component 200 and the third electronic component 300 are also stably connected, so that the first electronic component 100, the second electronic component 200 and the third electronic component 300 are stably connected.

As an optional manner in the embodiment of the present application, two first fixing screws 600 are provided, two first fixing screws 600 are respectively provided at two ends of the third electronic component 300, and the two first fixing screws 600 are provided to enhance the connection stability between the first electronic component 100 and the third electronic component 300. The number of the second fixing screws 700 is four, the four second fixing screws 700 are respectively disposed at four corner positions of the second electronic component 200, and the four second fixing screws 700 enhance the connection stability between the second electronic component 200 and the third electronic component 300.

Referring to fig. 1, a first electronic component 100 in the present embodiment includes a first circuit board 110 and a first carrier 120, and the first circuit board 110 is disposed on the first carrier 120. The second electronic component 200 includes a second circuit board 210 and a second carrier 220, wherein the second circuit board 210 is disposed on the second carrier 220 and electrically connected to the first circuit board 110. The third electronic component 300 includes a third circuit board 310 and a third carrier 320, wherein the third circuit board 310 is disposed on the third carrier 320 and electrically connected to the second circuit board 210.

In the embodiment of the present application, the blind-mate voltmeter is mainly used for testing current and voltage, the first circuit board 110, the second circuit board 210, and the third circuit board 310 are all PCBs, and in other examples, the first circuit board 110, the second circuit board 210, and the third circuit board 310 may also be other types of circuit boards. The first circuit board 110 is fixedly connected with electronic components for testing current and voltage, for example, a current transformer connected to a live wire, the second circuit board 210 is provided with a power supply for supplying power to the first circuit board 110, the second circuit board 210 and the third circuit board 310, the third circuit board 310 is provided with a plurality of output ports, and the electronic components and the output ports are common knowledge of those skilled in the art and will not be described in detail herein. In specific application, the object to be tested is electrically connected to the electronic component on the first circuit board 110, the first circuit board 110 feeds back the corresponding electrical signal to the second circuit board 210, and the second circuit board 210 feeds back the corresponding electrical signal to the third circuit board 310, and feeds back the electrical signal to the corresponding receiving object through the output port.

Referring to fig. 1 to 3, the first circuit board 110, the first carrier 120, the second carrier 220, the second circuit board 210, the third circuit board 310, and the third carrier 320 are sequentially stacked. The surface of the second carrier 220 facing the second circuit board 210 is provided with a first slot 221 for placing the second circuit board 210, and the surface of the third carrier 320 facing the third circuit board 310 is provided with a second slot 321 for placing the third circuit board 310.

In the embodiment of the present application, the first carrier 120 is a first carrier case, the second carrier 220 is a second carrier case, and the third carrier 320 is a third carrier case. The notches of the first and second placing grooves 221 and 321 are disposed opposite to each other, the second circuit board 210 is disposed in the first placing groove 221, and the third circuit board 310 is disposed in the second placing groove 321. The arrangement design of the present application not only can effectively reduce the volume of the first electronic component 100 and the second electronic component 200, but also can protect the second circuit board 210 and the third circuit board 310 between the second carrying case and the third carrying case. In addition, the electronic components on the first circuit board 110 are fixedly mounted on the surface of the first circuit board 110 away from the second circuit board 210, the power supply is fixedly mounted on the surface of the second circuit board 210 close to the first circuit board 110, and the output port is fixedly mounted on the surface of the third circuit board 310 away from the second circuit board 210.

Referring to fig. 1, the first circuit board 110 in this embodiment is provided with a third fixing screw 800 penetrating through the first circuit board 110 and screwed into the first carrier 120, so that the first circuit board 110 and the first carrier 120 are connected. The second circuit board 210 is provided with a fourth fixing screw 900 penetrating through the second circuit board 210 and screwed into the second carrier 220, so that the second circuit board 210 and the second carrier 220 are connected.

Referring to fig. 5 and 6, a clamping post 322 is disposed at a bottom of the second placing groove 321, the clamping post 322 is disposed toward the third circuit board 310, a clamping hole for inserting the clamping post 322 is formed in the third circuit board 310, and the third carrying member 320 and the third circuit board 310 are clamped with the clamping hole through the clamping post 322; the surface of the second carrying member 220 close to the third circuit board 310 is attached to the surface of the third circuit board 310 close to the second carrying member 220, and the second fixing screw 700 passes through the second carrying member 220 and is screwed into the positioning post 322.

Referring to fig. 1 and fig. 2, in the embodiment of the present application, a first through hole for allowing the third fixing screw 800 to pass through is formed in the first circuit board 110, the first mounting element 120 is fixedly connected with a first fixing column 121, a first blind hole for allowing the third fixing screw 800 to screw in is formed in the first fixing column 121, and the first through hole and the first blind hole are coaxial. A second through hole for the fourth fixing screw 900 to pass through is formed in the second circuit board 210, a second fixing column is fixedly connected to the bottom of the first placing groove 221, a second blind hole for the fourth fixing screw 900 to be screwed in is formed in the second fixing column, and the second through hole and the second blind hole are coaxial.

Referring to fig. 5 and 6, a clamping groove is formed in the surface of the second carrying member 220 close to the third circuit board 310, the groove diameter of the clamping groove is equal to the outer diameter of the clamping post 322, a third through hole for the second fixing screw 700 to pass through is formed in the second carrying member 220, a third blind hole for the second fixing screw 700 to screw in is formed in the clamping post 322, the third through hole includes a first portion and a second portion, the first portion and the second portion are sequentially arranged along the direction from the second carrying member 220 to the third circuit board 310, the first portion and the second portion are coaxial, the inner diameter of the first portion is larger than that of the second portion, and the inner diameter of the second portion is coaxial with that of the third blind hole.

Referring to fig. 1 and 2, in addition, a fourth through hole for the first fixing screw 600 to pass through is formed in the third carrying member 320, the third fixing column 122 is fixedly connected to the first carrying member 120, a fourth blind hole for the first fixing screw 600 to screw in is formed in the third fixing column 122, and the fourth through hole and the fourth blind hole are coaxial.

As an optional manner in the embodiment of the present application, four third fixing screws 800 are provided, four third fixing screws 800 are respectively provided at four corner positions of the first circuit board 110, and the four third fixing screws 800 are provided to enhance the connection stability between the first circuit board 110 and the first carrier 120. The number of the fourth fixing screws 900 is four, the four fourth fixing screws 900 are respectively arranged at four corner positions of the second circuit board 210, and the four fourth fixing screws 900 are arranged to enhance the connection stability of the second circuit board 210 and the second carrying member 220.

Referring to fig. 1, as an optional manner in the embodiment of the present application, the guide member 400 is a guide post, a first end of the guide post is fixedly connected to a bottom of the second placing groove 321, and sequentially passes through the second carrier 220 and the third carrier 320, a first guide through hole for the guide member 400 to pass through is formed on the first carrier 120, a second guide through hole for the guide member 400 to pass through is formed on the second carrier 220, and the first guide through hole and the second guide through hole are coaxial.

Referring to fig. 2, in addition, the first carrier 120, the second carrier 220, the third carrier 320 and the guide posts are made of plastic materials. The guide column comprises two vertical intersecting components, and the thickness of the components is more than or equal to 1/3 of the thickness of the third carrying piece 320 and less than or equal to 2/3 of the thickness of the third carrying piece 320. Specifically, the component is the component board, and the thickness of component board is roughly equal to half the wall thickness of third carrier 320, and the cross section of guide post is roughly the cross, so the design can effectively reduce the wall thickness of component, eliminates the shrink phenomenon that plastic material produced in the machine-shaping process as far as possible to make the surface of third carrier 320 keep smooth as far as possible.

Referring to fig. 1 and 7, as an alternative manner in the embodiment of the present application, a semicircular block 323 is disposed on one side of the guide post, the semicircular block 323 is fixedly connected to a groove wall of the second placing groove 321, a thickness of the semicircular block 323 is equal to a groove depth of the second placing groove 321, a length of the guide post is greater than a thickness of the semicircular block 323, and a portion of a flush portion of the guide post with the semicircular block 323 is disposed in the semicircular block 323. Meanwhile, a surface of the second mounting case, which is away from the third circuit board 310, is flush with a surface of the third mounting case, which is close to the second circuit board 210, and a second guide through hole is formed in the surface of the second mounting case, and a cross section of the second guide through hole is determined according to a shape of a guide post disposed outside the semicircular block 323.

In this alternative, two semicircular blocks 323 are provided, two semicircular blocks 323 are respectively provided at both ends of the second placing groove 321, four guide posts are provided, two guide posts are respectively provided at both sides of one semicircular block 323, and the other two guide posts are respectively provided at both sides of the other semicircular block 323. The four guide columns further improve the accuracy, reliability and assembly efficiency of connection of the electronic components.

Referring to fig. 1, 2 and 5, the connecting assembly in the present embodiment includes a first connecting element 510, a second connecting element 520 and a third connecting element 530, wherein the first connecting element 510 is disposed on a surface of the first circuit board 110 facing the second circuit board 210 and electrically connected to the first circuit board 110. The second connector 520 is disposed on the second circuit board 210 and electrically connected to the second circuit board 210, the first circuit board 110 and the second circuit board 210 are electrically connected by the first connector 510 and the second connector 520, and the first circuit board 110 and the second circuit board 210 are electrically connected by the first connector 510 and the second connector 520. The third connector 530 is disposed on a surface of the third circuit board 310 facing the second circuit board 210 and electrically connected to the third circuit board 310, the second circuit board 210 and the third circuit board 310 are electrically connected by plugging the second connector 520 and the third connector 530, and the second circuit board 210 and the third circuit board 310 are electrically connected by plugging the second connector 520 and the third connector 530.

In a specific application, the object to be tested is electrically connected to the electronic device on the first circuit board 110, the first circuit board 110 feeds back the corresponding electrical signal to the second circuit board 210 through the first connector 510 and the second connector 520, and then feeds back the electrical signal to the third circuit board 310 through the second connector 520 and the third connector 530, and feeds back the electrical signal to the corresponding receiving object through the output port.

In the embodiment of the present application, the first connector 510 and the third connector 530 are both female sockets of a board-to-board connector, the second connector 520 is a male socket of a dual-ended pin-to-board connector, a first end of the male socket of the dual-ended pin-to-board connector is disposed toward the first circuit board 110, and a second end of the male socket of the dual-ended pin-to-board connector is disposed toward the third circuit board 310. Specifically, the two female sockets of the board-to-board connector are respectively and fixedly connected to the first circuit board 110 and the third circuit board 310, and the male socket of the dual-pin board-to-board connector is fixedly connected to the second circuit board 210. The female socket of the board-to-board connector and the male socket of the two-pin board-to-board connector belong to the common knowledge of those skilled in the art, and the detailed construction thereof will not be described herein. The provided pin plate-to-plate connector male socket not only enables the transmission of electric signals between the first circuit board 110 and the second circuit board 210, but also enables the transmission of electric signals between the second circuit board 210 and the third circuit board 310, and simultaneously reduces the volume of the second electronic component 200, so that the blind-mate type current voltmeter can be more compact.

As an optional manner in the embodiment of the present application, the first connection element 510 is provided with at least two, in this optional manner, three board-to-board connector female sockets are fixedly connected to a surface of the first circuit board 110 close to the second circuit board 210, the double-ended pin board-to-board connector male socket corresponds to three boards and works with one board-to-board connector in the board-to-board connector female sockets, and two board-to-board connector male sockets are further fixedly connected to a surface of the second circuit board 210 close to the first circuit board 110, and the two board-to-board connector male sockets and the two remaining board-to-female sockets are correspondingly arranged. Of course, in other examples, the male socket of the board-to-board connector and the female socket of the board-to-board connector on the first circuit board 110, the second circuit board 210, and the third circuit board 310 may be arranged according to actual requirements.

Referring to fig. 8, as an optional mode in the embodiment of the present application, the blind-mate current-voltage meter further includes a fixing assembly 1000, the fixing assembly 1000 includes a spring 1010 and a fixing pin 1020, a mounting groove for the spring 1010 to be horizontally placed is formed in a side surface of the guide 400, a first end of the spring 1010 is fixedly connected to a groove bottom of the mounting groove, the fixing pin 1020 is horizontally disposed, a second end of the spring 1010 is fixedly connected to the fixing pin 1020, a slot for the fixing pin 1020 to be inserted is formed in the first carrying member 120, and the fixing pin 1020 has an avoiding position capable of completely staying in the mounting groove and a limiting position capable of being inserted into the slot.

In the concrete application, when first carrier 120 is inserted on the guide post, the slot aligns the back with the mounting groove, and fixed pin 1020 can switch to limiting position from dodging the position under the effect of spring 1010 to realize the stable connection of first carrier 120 and guide post, above-mentioned design has further improved the stability that first carrier 120 and third carrier 320 are connected.

In addition, blind-mate formula current voltmeter is still including dodging the subassembly, dodge the subassembly including dodging rope 1100 and fixed pulley, the first end of dodging rope 1100 is close to spring 1010's terminal surface fixed connection with fixed pin 1020, the elongated groove has been seted up along length direction to guide 400, set up the hole of wearing to establish that supplies to dodge rope 1100 and pass between elongated groove and the mounting groove, the second end of dodging rope 1100 passes through the mounting groove, wear to establish hole and elongated groove and wear out from the guide post is inside, fixed pulley fixed connection is in the elongated groove, dodge rope 1100 and set up the lower surface at the fixed pulley, dodge the subassembly and can make fixed pin 1020 switch to dodge the position from limiting position.

In specific application, when the first carrying part 120 slides on the guide post along the length direction of the guide post, an operator stretches the second end of the avoidance rope 1100 in a direction away from the elongated slot, so that the fixing pin 1020 can be switched from the limiting position to the avoidance position, and after the slot is aligned with the mounting slot, the operator releases the avoidance rope 1100, and the fixing pin 1020 is switched from the avoidance position to the limiting position under the action of the spring 1010.

Optionally, the fixed assemblies 1000 and the avoidance assemblies are respectively provided with two sets, wherein the fixed assemblies 1000 are respectively and oppositely arranged in two side walls of the guide post and symmetrically arranged along a center line of the guide post in the length direction, and the avoidance ropes 1100 in the two avoidance assemblies extend outwards from the square groove.

In summary, the blind-plugging type current-voltage meter provided by the embodiment at least has the following beneficial technical effects: the guide piece 400 plays a role in guiding a plurality of electronic components in the connection process, and improves the accuracy, reliability and assembly efficiency of blind plugging connection of the plurality of electronic components.

The present application is intended to cover various modifications, equivalent arrangements, and adaptations of the present application without departing from the spirit and scope of the present application.

Claims (10)

1. A blind-mate voltmeter, comprising:

the electronic assemblies are at least provided in two, and the electronic assemblies are sequentially superposed;

the connecting component is arranged between the electronic components and used for electrically connecting the two adjacent electronic components;

the guide piece (400), the guide piece (400) sets up in each electronic component on the electronic component that is located a side edge, guide piece (400) pass through remaining electronic component in proper order.

2. The blind-mate voltmeter according to claim 1, wherein there are three electronic components, which are, in turn, a first electronic component (100), a second electronic component (200), and a third electronic component (300), and the guide (400) is disposed on the third electronic component (300);

a first fixing screw (600) is arranged between the first electronic component (100) and the third electronic component (300), and the first fixing screw (600) penetrates through the third electronic component (300) and is screwed into the first electronic component (100) so as to connect the first electronic component (100) and the third electronic component (300);

a second fixing screw (700) is arranged between the second electronic component (200) and the third electronic component (300), and the second fixing screw (700) penetrates through the second electronic component (200) and is screwed into the third electronic component (300) so as to connect the second electronic component (200) and the third electronic component (300).

3. The blind-mate voltmeter according to claim 2, wherein the first electronic component (100) comprises a first circuit board (110) and a first carrier (120), the first circuit board (110) is disposed on the first carrier (120);

the second electronic component (200) comprises a second circuit board (210) and a second carrying piece (220), wherein the second circuit board (210) is arranged on the second carrying piece (220) and is electrically connected with the first circuit board (110);

the third electronic component (300) comprises a third circuit board (310) and a third carrying piece (320), wherein the third circuit board (310) is arranged on the third carrying piece (320) and is electrically connected with the second circuit board (210).

4. The blind-mate voltmeter according to claim 3, wherein the first circuit board (110), the first carrier (120), the second carrier (220), the second circuit board (210), the third circuit board (310), and the third carrier (320) are stacked in sequence;

the surface of the second carrying piece (220) facing the second circuit board (210) is provided with a first placing groove (221) for placing the second circuit board (210), and the surface of the third carrying piece (320) facing the third circuit board (310) is provided with a second placing groove (321) for placing the third circuit board (310).

5. The blind-mate voltmeter according to claim 4, wherein a third fixing screw (800) is disposed on the first circuit board (110), penetrates through the first circuit board (110), and is screwed into the first carrier (120) to connect the first circuit board (110) and the first carrier (120);

a fourth fixing screw (900) which penetrates through the second circuit board (210) and is screwed into the second carrying piece (220) is arranged on the second circuit board (210) so that the second circuit board (210) is connected with the second carrying piece (220);

a clamping column (322) is arranged at the bottom of the second placing groove (321), the clamping column (322) is arranged towards the third circuit board (310), a clamping hole for the clamping column (322) to insert is formed in the third circuit board (310), and the third carrying piece (320) and the third circuit board (310) are clamped with the clamping hole through the clamping column (322); the surface of the second carrying piece (220) close to the third circuit board (310) is attached to the surface of the third circuit board (310) close to the second carrying piece (220), and the second fixing screw (700) penetrates through the second carrying piece (220) and is screwed into the clamping post (322).

6. The blind-plugging type voltmeter according to claim 4, wherein the guiding element (400) is a guiding pillar, a first end of the guiding pillar is fixedly connected to a groove bottom of the second placing groove (321) in the third carrier (320), and penetrates through the second carrier (220) and the third carrier (320) in sequence;

the first carrying piece (120), the second carrying piece (220), the third carrying piece (320) and the guide column are all made of plastic materials; the guide post comprises two perpendicularly crossed components, the thickness of each component is more than or equal to 1/3 of the wall thickness of the third carrying piece (320), and the thickness of each component is less than or equal to 2/3 of the wall thickness of the third carrying piece (320).

7. The blind-mate voltmeter according to claim 3, wherein the connecting assembly comprises:

the first connecting piece (510) is arranged on the surface, facing the second circuit board (210), of the first circuit board (110), and the first connecting piece (510) is electrically connected with the first circuit board (110);

the second connecting piece (520) is arranged on the second circuit board (210) and is electrically connected with the second circuit board (210), and the first circuit board (110) and the second circuit board (210) are electrically connected through the plugging of the first connecting piece (510) and the second connecting piece (520);

the third connecting piece (530), the third connecting piece (530) is arranged on the surface of the third circuit board (310) facing to the second circuit board (210), and is electrically connected with the third circuit board (310), and the second circuit board (210) and the third circuit board (310) are electrically connected through the plug-in connection of the second connecting piece (520) and the third connecting piece (530).

8. The blind-mate voltmeter according to claim 7, wherein the first connector (510) and the third connector (530) are each a female board-to-board connector receptacle, and the second connector (520) is a male dual-ended pin board-to-board connector receptacle, a first end of the male dual-ended pin board-to-board connector receptacle being disposed toward the first circuit board (110) and a second end of the male dual-ended pin board-to-board connector receptacle being disposed toward the third circuit board (310).

9. The blind-plugging type voltmeter according to claim 3, further comprising a fixing assembly (1000), wherein the fixing assembly (1000) comprises a spring (1010) and a fixing pin (1020), a mounting groove for the spring (1010) to be horizontally placed is formed in a side surface of the guide (400), a first end of the spring (1010) is fixedly connected to a groove bottom of the mounting groove, the fixing pin (1020) is horizontally disposed, a second end of the spring (1010) is fixedly connected to the fixing pin (1020), a slot for the fixing pin (1020) to be inserted is formed in the first carrying member (120), and the fixing pin (1020) has an avoiding position capable of completely staying in the mounting groove and a limiting position capable of being inserted into the slot.

10. The blind plugging type voltmeter according to claim 9, wherein the blind plugging type voltmeter further comprises an avoiding assembly, the avoiding assembly comprises an avoiding rope (1100) and a fixed pulley, the guide member (400) is provided with an elongated groove communicated with the mounting groove along the length direction, a first end of the avoiding rope (1100) is fixedly connected with an end surface of the fixed pin (1020) close to the spring (1010), a second end of the avoiding rope (1100) penetrates out of the guide column through the mounting groove and the elongated groove, the fixed pulley is fixedly connected with one end of the spring (1010) far away from the fixed pin (1020), the avoiding rope (1100) is erected on a lower surface of the fixed pulley, and the avoiding assembly can enable the fixed pin (1020) to be switched from the limiting position to the avoiding position.

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