CN110986705A

CN110986705A - Connector, electronic delay element and electronic detonator

Info

Publication number: CN110986705A
Application number: CN201911305075.XA
Authority: CN
Inventors: 管泓; 李辉涛; 李振全
Original assignee: Xinjiang Hexin Zhiyuan Information Technology Co Ltd
Current assignee: Shenzhen Xuefeng Electronics Co.,Ltd.
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-04-10

Abstract

The invention provides a connector, an electronic delay element and an electronic detonator, wherein the connector is used for being connected with a tail wire and comprises a connecting main body and two pins, the two pins are arranged at intervals and extend outwards, the pins comprise an extending support, a first clamping arm and a second clamping arm, the first clamping arm and the second clamping arm are respectively connected to two sides of the extending support, which are perpendicular to the extending direction of the extending support, the first clamping arm, the second clamping arm and the extending support are jointly surrounded to form a positioning groove for placing the tail wire, the groove width of a groove opening of the positioning groove is larger than the diameter of the tail wire, and the first clamping arm and the second clamping arm can bend towards each other under the action of external force and jointly wrap the tail wire together with the extending support. The invention realizes the quick connection of the tail wire and the pin, improves the production efficiency, and is convenient for the connector to be applied to automatic production so as to meet the requirement of mass production.

Description

Connector, electronic delay element and electronic detonator

Technical Field

The invention belongs to the technical field of blasting, and particularly relates to a connector, an electronic delay element and an electronic detonator.

Background

The differential blasting, also called millisecond blasting, is a delay blasting with delay time interval of several milliseconds to several tens of milliseconds. Because the blasting time interval of the blast holes of the front and the back adjacent sections is extremely short, energy fields generated by blasting of the blast holes influence each other, the blasting effect can be improved, and the blasting earthquake effect, the shock wave and the flying rock hazard can be reduced. The electronic detonator with the electronic delay element is required to be used for micro-difference blasting, a pin used for being welded with a tail wire of the detonator is formed on a connector of the electronic delay element, the pin is cylindrical in the traditional process, a jack of the pin is small and generally matched with the tail wire in diameter, a manipulator cannot accurately align the tail wire along the axial direction and insert the tail wire into the jack, in order to align the tail wire and the pin, the tail wire is generally manually inserted into the pin along the axial direction and then welded, the production efficiency of the manual alignment mode is low, and the requirement for mass production is difficult to meet.

Disclosure of Invention

The invention aims to provide an electronic delay element and an electronic detonator, and aims to solve the technical problems that in the prior art, a jack of a pin is generally matched with the diameter of a tail wire, and the tail wire cannot be accurately inserted into the jack of the pin along the axial direction in an aligned mode by a manipulator.

The connector comprises a connecting main body and two pins, wherein the two pins are arranged at intervals and extend outwards, the pins comprise an extending support, a first clamping arm and a second clamping arm, the first clamping arm and the second clamping arm are respectively connected to two sides of the extending support, which are perpendicular to the extending direction of the extending support, the first clamping arm, the second clamping arm and the extending support are jointly surrounded to form a positioning groove for placing the tail, the groove width of a groove opening of the positioning groove is larger than the diameter of the tail, and the first clamping arm and the second clamping arm can bend towards each other under the action of external force and jointly wrap the tail together with the extending support.

In one embodiment, the first clamping arm and the second clamping arm can form a semi-closed or closed cylindrical structure along the circumferential direction together with the extension bracket under the action of external force.

In one embodiment, the first clamping arm and the second clamping arm are both triangular, the first clamping arm has a first tip extending away from the extension bracket, the second clamping arm has a second tip extending away from the extension bracket, the first tip and the second tip are arranged in a staggered manner in a direction perpendicular to the extension direction of the extension bracket, and when the first clamping arm, the second clamping arm and the extension bracket form a cylindrical structure together, a side wall of the first tip is attached to a side wall of the second tip.

In one embodiment, the first clamping arm and the second clamping arm are in right-angled triangle shapes in the unfolded state and are symmetrically arranged in the extending direction perpendicular to the extending support, and the right-angled sides of the first clamping arm and the second clamping arm are connected to the extending support and can be overlapped in the extending direction perpendicular to the extending support.

In one embodiment, the positioning groove has a U-shaped cross section.

In one embodiment, the pin further comprises a reinforcing rib protruding from the extension bracket and extending in the same direction as the extension bracket.

In one embodiment, the connecting body is provided with a containing groove for containing the capacitor.

In one embodiment, the connector further comprises two connecting pieces, the two connecting pieces are arranged at intervals, and both ends of the connecting pieces penetrate through one end of the connecting body to the other end of the connecting body and are connected with one pin.

The invention also provides an electronic delay element, which comprises a control mainboard and the connector, wherein the pins are electrically connected with the control mainboard.

The invention further provides an electronic detonator comprising the connector.

Compared with the prior art, the invention has the technical effects that: according to the invention, the first clamping arm and the second clamping arm of the pin and the extension support are arranged together to form the positioning groove for placing the tail wire, so that the tail wire can be moved to the positioning groove along the radial direction of the extension support and placed in the positioning groove by the manipulator, and the tail wire is easier to align and place in the positioning groove because the groove width of the notch of the positioning groove is larger than the diameter of the tail wire, thereby reducing the requirement on the alignment precision of the tail wire. When the tail wire is placed in the constant head tank after, first centre gripping arm can be in the effect of external force to crooked in opposite directions with second centre gripping arm, and with extend the common parcel of support the tail wire to accomplish the preliminary counterpoint of pin and tail wire and be connected, and restrict tail wire radial movement, avoid it to shift out the constant head tank, be convenient for the later stage to weld tail wire and pin, just so realized the high-speed joint of tail wire and pin, improved production efficiency, the connector of being convenient for is applied to automated production, in order to satisfy mass production's demand.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention or in the description of the prior art will be briefly described below, and it is obvious that the drawings described 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 the drawings without creative efforts.

Fig. 1 is a perspective view of a conventional connector from one perspective;

FIG. 2 is a perspective view of a connector provided by an embodiment of the present invention from one perspective;

FIG. 3 is a perspective view of a connector provided by an embodiment of the present invention from another perspective;

fig. 4 is an exploded view of a connector provided by an embodiment of the present invention.

FIG. 1 depicts in notation:

91. a connecting body; 911. a containing groove; 92. a pin; 921. a jack; 93. supporting block

Figures 2 to 4 are numbered:

10. a connecting body; 101. a containing groove; 102. a position avoiding groove; 103. a mounting surface; 20. a pin; 201. positioning a groove; 21. an extension bracket; 22. a first clamp arm; 23. a second clamp arm; 24. reinforcing ribs; 30. and (7) connecting the sheets.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

In this embodiment, the XYZ rectangular coordinate system established in fig. 2 to 4 is defined as follows: one side in the positive direction of the X axis is defined as front, and one side in the negative direction of the X axis is defined as back; one side in the positive Y-axis direction is defined as the left side, and one side in the negative Y-axis direction is defined as the right side; the side in the positive direction of the Z axis is defined as up, and the side in the negative direction of the Z axis is defined as down.

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 implicitly indicating 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 invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments.

As shown in fig. 1, the initiator includes a controller and a tail wire electrically connected to the controller, the conventional electronic delay element is electrically connected to the tail wire, the controller controls the electronic delay element through the tail wire, the connector of the electronic delay element generally includes a connecting body 91, a supporting block 93 and two pins 92, the pins 92 are used for being welded to the tail wire to realize the electrical connection between the electronic delay element and the controller, in the conventional process, the pins 92 are cylindrical with a socket 921, because the socket 921 of the pins 92 is smaller, generally for being in adaptive connection with the tail wire, the diameter of the socket 921 is close to the diameter of the tail wire, and then the tail wire is axially inserted into the socket 921, because the requirement for alignment precision is high, a general manipulator cannot complete the alignment, and can only perform alignment and welding manually, which results in low production efficiency and is difficult to meet the requirement of mass production.

To solve this problem, the present invention provides a connector for quick connection with a tail.

Referring to fig. 2 to 4, the connector includes a connecting body 10, two pins 20 and two connecting pieces 30, wherein the two pins 20 and the two connecting pieces 30 are provided.

Referring to fig. 2, since the electronic delay element usually uses an aluminum capacitor or a solid capacitor to temporarily store the electric quantity, the connecting body 10 is provided with a receiving groove 101 for receiving the capacitor. The aluminum capacitor has the characteristics of large capacity, low sensitivity, low temperature resistance, low cost and the like, ensures the delay precision and has strong applicability to the environment. The receiving groove 101 is preferably curved in cross section to match the shape of the cylindrical aluminum capacitor, and the connecting body 10 is used for supporting and fixing the aluminum capacitor through the receiving groove 101.

Referring to fig. 2 and 3, the connecting body 10 has a mounting surface 103, two leads 20 are connected to the mounting surface 103 and extend outward, in order to ensure that the two leads 20 do not cause short circuit, the two leads are spaced and arranged in parallel, the two leads 20 are electrically connected to a control main board of the electronic delay body through the connecting body 10, the leads 20 include an extending support 21, a first clamping arm 22 and a second clamping arm 23, the first clamping arm 22 and the second clamping arm 23 are respectively connected to two sides of the extending support 21 perpendicular to the extending direction thereof, as shown in the figure, the extending support 21 extends forward, the first clamping arm 22 and the second clamping arm 23 both extend upward or obliquely upward, the first clamping arm 22, the second clamping arm 23 and the extending support 21 jointly enclose a positioning groove 201 for placing a tail, the groove width of the notch of the positioning groove 201 is larger than the diameter of the tail, the first clamping arm 22 and the second clamping arm 23 are bent toward each other in an external force action direction, and together with the stent 21, wraps the tail. The extension bracket 21, the first clamping arm 22 and the second clamping arm 23 may be metal sheets that can be bent under the action of external force, so as to achieve good conductivity. The first clamping arm 22 and the second clamping arm 23 can form a cylindrical structure with the extension support 21 after being bent, at the moment, the first clamping arm 22 and the second clamping arm 23 can be overlapped up and down, or can not be overlapped relatively, in order to realize rapid operation, the operation precision can be properly reduced, so that a gap with the width not larger than the radial length of the tail wire exists between the first clamping arm 22 and the second clamping arm 23, and the gap preferably does not penetrate through the cylindrical structure or obliquely extends to prevent the tail wire from radially moving out of the cylindrical structure. Here, the external force may be a clamping force of the robot arm to bend the first clamping arm 22 and the second clamping arm 23 toward each other.

According to the invention, the first clamping arm 22 and the second clamping arm 23 of the pin 20 and the extension support 21 are arranged together to form the positioning groove 201 for placing the tail wire, so that the manipulator can move the tail wire to the positioning groove 201 along the radial direction of the extension support 21 and place the tail wire in the positioning groove 201, and the tail wire is easier to align and place in the positioning groove 201 because the groove width of the notch of the positioning groove 201 is larger than the diameter of the tail wire, thereby reducing the requirement on the alignment precision of the tail wire. Place in constant head tank 201 back when the tail-wire, first centre gripping arm 22 can be crooked in opposite directions in the exogenic action direction with second centre gripping arm 23, and with extend the common parcel of support 21 the tail-wire to accomplish the preliminary counterpoint of pin 20 and tail-wire and be connected, and restrict tail-wire radial movement, avoid it to shift out constant head tank 201, be convenient for the later stage to weld tail-wire and pin 20, just so realized tail-wire and pin 20's high-speed joint, improved production efficiency, be convenient for the connector is applied to automated production, in order to satisfy mass production's demand.

Preferably, the first holding arm 22 and the second holding arm 23 can form a cylindrical structure together with the extension bracket 21 by an external force. The cylindrical structure can be a cylindrical structure with a semi-closed circumferential direction, at this time, the cylindrical structure can at least limit the tail line to move towards the left and right directions and move downwards, or the width of a gap formed by the first clamping arm 22 and the second clamping arm 23 above the cylindrical structure is smaller than the radial length of the tail line, the cylindrical structure also limits the tail line to move upwards, and the arrangement allows the first clamping arm 22 and the second clamping arm 23 to generate certain bending errors, so that the requirement on the precision of processing equipment is reduced. The cylindrical structure is preferably a circumferentially closed cylindrical structure, and at the moment, the first clamping arm 22 and the second clamping arm 23 can be overlapped in the vertical direction, so that the cylindrical structure can circumferentially limit the tail wire and prevent the tail wire from moving out of the cylindrical structure along any radial direction of the extension bracket 21. This kind of setting can reduce the requirement to the processing equipment precision equally, but has caused the waste to the material, and in this embodiment, the laminating can be aimed at to the relative border of first centre gripping arm 22 and second centre gripping arm 23, not only can carry out circumference spacing to the tail wire like this, has avoided simultaneously extravagant unnecessary to the material. At this time, the inner diameter of the cylindrical structure may be larger than the radial length of the tail, and preferably, the first and second holding

arms

22 and 23 can clamp the tail under the action of external force to further limit the movement of the tail in the axial direction.

Referring to fig. 2 and 4, in the present embodiment, the first clamping arm 22 and the second clamping arm 23 are both triangular, the first clamping arm 22 has a first tip extending away from the extending support 21, the second clamping arm 23 has a second tip extending away from the extending support 21, the first tip and the second tip are disposed in a staggered manner in a direction perpendicular to the extending direction of the extending support 21, and when the first clamping arm 22, the second clamping arm 23 and the extending support 21 form a cylindrical structure together, a sidewall of the first tip is attached to a sidewall of the second tip. Not only can set up longer extension length with first centre gripping arm 22 and second centre gripping arm 23 like this to increase the groove depth of constant head tank 201, and notch width is bigger when first centre gripping arm 22 and second centre gripping arm 23 slope extend to both sides, the counterpoint of tail wire and constant head tank 201 of being convenient for. In addition, after the first tip and the second tip are arranged in a staggered manner, if a gap is formed between the first clamping arm 22 and the second clamping arm 23 due to machining errors, the gap extends obliquely towards the left and right directions, so that a tail line extending in the front and back directions in the cylindrical structure is not parallel to the gap easily, and the tail line is prevented from moving out of the cylindrical structure along the radial direction.

In other embodiments, the pin 20 may include a plurality of first clamping arms 22 arranged axially and a plurality of second clamping arms 23 arranged axially, that is, the plurality of first clamping arms 22 form a saw-tooth structure on one side of the extension bracket 21, and the second clamping arms 23 form a saw-tooth structure on the other side of the extension bracket 21, which is staggered with the saw-tooth structure formed by the first clamping arms 22, and the two saw-tooth structures are engaged when they are bent toward each other by an external force and form a cylindrical structure. The axial length of the lead wrapped by the pin 20 is increased, and the tail wire is prevented from being separated from the cylindrical structure due to slight shaking. Meanwhile, the structure increases the contact area of the pin 20 and the tail wire, and reduces the poor contact condition.

Referring to fig. 2 and 4, in the present embodiment, the first clamping arm 22 and the second clamping arm 23 are both in a right triangle shape in the unfolded state and symmetrically disposed in the extending direction perpendicular to the extending support 21, and the right-angled sides of the first clamping arm 22 and the second clamping arm 23 are connected to the extending support 21 and can be overlapped in the extending direction perpendicular to the extending support 21. Like this, when the tubular structure that first centre gripping arm 22 and second centre gripping arm 23 crooked in opposite directions and formed, the right-angle side of first centre gripping arm 22 and second centre gripping arm 23 has formed tubular structure's both ends face, and this both ends face parallel, and tubular structure's circumference section of thick bamboo height is unanimous promptly, has ensured that spacing length to tail circumference is unanimous, avoids the tail to move out tubular structure partially because the breach at tubular structure edge, influences later stage welding and fixed.

For the positioning of the tail wire, the section of the positioning slot 201 is U-shaped, and the first holding arm 22 and the second holding arm 23 can also guide the radial movement of the tail wire, so that the tail wire is finally placed on the extension bracket 21 and is located in the center of the extension bracket 21. Preferably, the width of the U-shaped positioning slot 201 may be gradually increased from bottom to top to facilitate the positioning of the tail line.

Referring to fig. 2 and 3, in order to facilitate the operation of the robot on the first and second clamping

arms

22 and 23, the first and second clamping

arms

22 and 23 are spaced apart from the connecting body 10. Because first centre gripping arm 22 is nearer apart from connecting body 10 with second centre gripping arm 23, for avoiding colliding with the installation face 103 of connecting body 10 when manipulator centre gripping first centre gripping arm 22 or second centre gripping arm 23, can set up on installation face 103 and keep away a groove 102, should keep away a groove 102 and be located two and extend between the support 21, and the setting is run through to the upper and lower direction to the manipulator reciprocates.

Because the pin is made by very thin sheetmetal, consequently take place bending deformation when welding or accident collide with easily, please refer to fig. 1, traditional connector is through setting up supporting shoe 93 on connecting main part 91 for pin 92 can be formed on supporting shoe 93, in order to play bearing and supporting role to pin 92, prevent that the manipulator from placing the tail wire in the constant head tank or bending pin 92 when welding from top to bottom, but the connector in this embodiment is owing to need with manipulator cooperation processing, supporting shoe 93 can hinder the motion of manipulator.

Referring to fig. 2 and 4, in order to solve the problem, in the connector, the extension bracket 21 is configured to have an arc-shaped, V-shaped or circular cross section, so that the deformation stress of the extension bracket 21 is increased, the maximum external force required for bending the extension bracket 21 is increased, and the extension bracket 21 is not easily deformed. Furthermore, the pin 20 of the present embodiment has a reinforcing rib 24 protruding from the upper side or the lower side of the extension bracket 21 and extending in the same direction as the extension bracket 21. The reinforcing ribs 24 increase the thickness of the extension bracket 21, further improve the maximum external force required by the bending of the extension bracket 21, increase the strength of the extension bracket 21, and prevent the pins 20 from being bent by a mechanical hand.

Referring to fig. 4, the pin 20 and the control board of the electronic delay element cannot be directly connected due to the existence of the connecting body 10. In this embodiment, the pin 20 is electrically connected with the control main board through the connecting sheet 30 arranged on the connecting body 10, the two connecting sheets 30 are respectively electrically connected with one end of the connecting body 10 through the other end of the connecting body 10, the pin 20 and the control main board are respectively electrically connected with one end of the connecting sheet 30, and the connecting sheet 30 is embedded inside the connecting body 10 for preventing the connecting sheet 30 from colliding. In order to prevent the two connection pieces 30 from causing a short circuit, the connection body 10 is made of an insulating material, the connection pieces 30 are metal pieces, and the two connection pieces 30 are spaced apart.

The embodiment of the invention further provides an electronic delay element, which comprises the connector provided by each embodiment. The connector has the same structural features as the connectors in the above embodiments, and the functions of the connector are the same, which are not described herein again. The electronic delay element further comprises a control mainboard, and the pins 20 are electrically connected to the control mainboard.

The embodiment of the invention also provides an electronic detonator which comprises the connector provided by each embodiment. The connector has the same structural features as the connectors in the above embodiments, and the functions of the connector are the same, which are not described herein again.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a connector for be connected with the tail wire, its characterized in that, including connecting main part and two pins, two the pin interval sets up and outwards extends, the pin is including extending support, first centre gripping arm and second centre gripping arm, first centre gripping arm with second centre gripping arm connect respectively in extend the both sides of its extending direction of support perpendicular to, first centre gripping arm with second centre gripping arm with extend the support and enclose jointly and establish and be used for placing the constant head tank of tail wire, the groove width of the notch of constant head tank is greater than the diameter of tail wire, first centre gripping arm with second centre gripping arm can be in the effect of external force to crooked in opposite directions, and with extend the common parcel of support the tail wire.

2. The connector of claim 1, wherein the first and second gripping arms are capable of forming a semi-closed or closed cylindrical structure with the outrigger under external force.

3. The connector of claim 2, wherein the first and second clamping arms are triangular, the first clamping arm has a first tip extending away from the extension bracket, the second clamping arm has a second tip extending away from the extension bracket, the first tip and the second tip are offset in a direction perpendicular to the extension direction of the extension bracket, and when the first and second clamping arms and the extension bracket form a cylindrical structure together, a sidewall of the first tip fits a sidewall of the second tip.

4. The connector of claim 1, wherein the first and second clamping arms are each right triangular in the unfolded state and symmetrically disposed in a direction perpendicular to the extension direction of the extension bracket, and wherein the right-angled sides of the first and second clamping arms are connected to the extension bracket and can be folded in the direction perpendicular to the extension direction of the extension bracket.

5. The connector of claim 1, wherein said detent is U-shaped in cross-section.

6. The connector of any one of claims 1 to 5, wherein the pin further comprises a reinforcing rib projecting from the extension bracket and extending in the same direction as the extension bracket.

7. The connector of claim 1, wherein the connecting body defines a receiving slot for receiving the capacitor.

8. The connector of claim 1, further comprising two connecting pieces spaced apart from each other and each extending from one end of the connecting body to the other end of the connecting body and connected to one of the pins.

9. An electronic delay body, comprising a control motherboard and a connector according to any one of claims 1 to 8, wherein the pins are electrically connected to the control motherboard.

10. An electronic detonator comprising a connector as claimed in any one of claims 1 to 8.