CN111555221A - Using method of clam-shaped junction box of urban electrical prospecting signal wire - Google Patents
Using method of clam-shaped junction box of urban electrical prospecting signal wire Download PDFInfo
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- CN111555221A CN111555221A CN202010422993.7A CN202010422993A CN111555221A CN 111555221 A CN111555221 A CN 111555221A CN 202010422993 A CN202010422993 A CN 202010422993A CN 111555221 A CN111555221 A CN 111555221A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/081—Bases, casings or covers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/16—Distribution boxes; Connection or junction boxes structurally associated with support for line-connecting terminals within the box
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Abstract
A method for using a clam-shaped junction box of an urban electrical prospecting signal wire. The clam-shaped junction box comprises a clam-shaped solid shell, a plug-in type junction port, an elastic low-density insulating material, a high-density insulating material, a sawtooth-shaped thin anti-skid layer and the like, and specific parameters of related parts are limited through related mathematical functions and rules, so that the high-strength rolling resistance of the clam-shaped junction box is realized; the clam-shaped junction box is mainly used for determining the operation flow and the requirements of the clam-shaped junction box based on the characteristics of the urban electrical prospecting environment. The junction box and the using method can solve the rolling problem of vehicles, pedestrians and the like when the electrical prospecting is carried out in a city, so that the effect and the efficiency of the electrical prospecting are improved, and the adverse effect of the electrical prospecting on urban traffic, life and the like during working is reduced as much as possible. The junction box is suitable for being used when the electrical prospecting is carried out in the urban blocks with more vehicles.
Description
Technical Field
The invention relates to a clam-shaped junction box for improving the electrical prospecting precision and efficiency in the geophysical prospecting field and a using method thereof.
Background
At present, when electrical prospecting is carried out in a city, due to frequent activities of human beings in the city, the electrical prospecting work is subjected to various interference factors, so that the electrical prospecting has many limitations in the application of urban underground space, geological disaster hidden danger detection, monitoring and the like, wherein the rolling of a signal transmission wire in the electrical prospecting by vehicles and pedestrians is a serious problem, the joint of the signal transmission wire in the electrical prospecting is a weaker link, and once the rolling is carried out by external force, the electrical prospecting work is easy to cause errors or failures; therefore, when the electrical prospecting is carried out in a city at present, traffic control is generally carried out at a time or on site with relatively few vehicles, pedestrians and the like at night, and although partial problems can be solved to a certain extent by the treatment, corresponding working difficulty is brought to electrical prospecting workers, or adverse effects are brought to urban traffic. Although some existing electrical prospecting methods which do not use or use few signal transmission wires, some methods with strong anti-interference capability, such as the conductive electrical prospecting method, have the characteristics of strong signal strength, strong anti-interference capability and the like, so that the method still has a large application space in urban exploration, and the conductive electrical method cannot avoid using the signal transmission wires, so that the problems of pressure resistance and the like of the signal transmission wires, particularly the wire joints, are worth solving.
The invention content is as follows:
based on some existing problems in urban electrical prospecting, in order to improve the electrical prospecting, particularly the working efficiency, the working precision and the like of the electrical prospecting which needs to use signal transmission leads, the research on related aspects is worthy of being developed.
The invention provides a method for using a clam-shaped junction box of an urban electrical prospecting signal wire, which is characterized by comprising the following steps of: the application method of the clam-shaped junction box adopts the clam-shaped junction box for the urban electrical prospecting signal transmission lead; the clam-shaped junction box comprises a clam-shaped solid shell, an elastic low-density insulating material, a plug-in type wiring port, a high-density insulating material and a sawtooth-shaped thin anti-skid layer;
the clam-shaped solid shell is a solid part, the bottom surface and the top surface of which are both streamline curved surfaces, the top surface of which is provided with two opposite notches, and the rest surfaces of which are closed; in order to reduce the weight of the clam-shaped solid shell and improve the pressure resistance of the clam-shaped solid shell, metal materials with high hardness, easy forming, difficult deformation and low density, such as alloy steel, iron and the like, can be selected, and weak parts such as seams and the like of the shell are reduced as much as possible, such as one-step forming of the clam-shaped solid shell, so that the clam-shaped solid shell is beneficial to improving the pressure resistance of the component. The edges of two opposite cuts on the top surface are smoothed, so that damage to external contact objects is reduced, and the traffic capacity of the rolled objects is improved.
The bottom surface and the top surface of the clam-shaped solid shell meet an ellipsoid equation formula:
The bottom surface and the top surface of the clam-shaped solid shell of the first longitudinal section of the clam-shaped junction box, which are vertical to the connecting line direction of two opposite notches on the top surface of the clam-shaped solid shell, are both arc-shaped; the boundaries of the two opposing cut-outs of the top surface are arc-shaped in a top perspective view; the arc is adopted at the related part, so that the resistance to the vehicle can be reduced when the vehicle passes through, the damage and disturbance of the vehicle to the junction box can be avoided, and the contact stability of the junction box and the ground is enhanced.
The shape of the top surface and the shape of the bottom surface of the clam-shaped solid shell which are parallel to the second longitudinal section of the clam-shaped junction box in the connecting line direction of the two opposite notches on the top surface of the clam-shaped solid shell are both arc-shaped; related parts adopt the arc, when being convenient for the vehicle to pass through, reduce the resistance to the vehicle, also can avoid the vehicle to the destruction and the disturbance of terminal box, strengthen the contact stability of this terminal box and ground.
The edge parts of two opposite notches of the top surface of the clam-shaped solid shell are arc-shaped, the maximum chord length of the arc-shaped part is greater than the transverse width of the plug-in wiring port, and the highest height of the arc-shaped part, which is away from the streamline-shaped curved surface of the bottom surface of the clam-shaped solid shell, is greater than the maximum height of the streamline-shaped curved surfaces of the top surface of the plug-in wiring port and the bottom surface of the clam-shaped solid shell; the plug-in type wiring port is conveniently installed in the clam-shaped solid shell, and the plug-in operation of the female head and the male head of the plug-in type wiring port is facilitated.
The plug-in type wiring port is of a bidirectional plug-in type, a multi-core male head is arranged at each of two ends of the plug-in type wiring port, the plug-in type wiring port comprises two female heads, the female heads are movable parts, the female heads are completely matched with the male heads, and external wires are connected with the male heads through one female head and are communicated with the other female head; the plug-in type wiring port is fixed in the clam-shaped solid shell through an elastic low-density insulating material, and two ends of a multi-core male head of the plug-in type wiring port are exposed and are not closed; the male head of the plug-in type wiring port is solidified in the clam-shaped solid shell, and the female head is used as a movable part, so that when rolling objects such as vehicles pass through the wiring box, the abrasion and damage to the plug-in type wiring port are reduced, and the adaptability of the wiring box in the urban environment is further enhanced. The multi-core male heads of the plug-in wiring port are not directly communicated, namely are insulated from each other; the size of the plug-in wiring port is smaller than that of the clam-shaped solid shell, the vertical thickness of the plug-in wiring port is not more than one half of the maximum vertical thickness between the bottom surface and the top surface of the clam-shaped solid shell, the transverse width of the plug-in wiring port is not more than one half of the maximum transverse width of the clam-shaped solid shell, and the transverse length of the plug-in wiring port is not more than the maximum transverse length of the clam-shaped solid shell; the transverse width of the plug-in wiring port refers to the size of the horizontal direction perpendicular to the direction of a single male connector of the plug-in wiring port; the transverse length of the plug-in connection port refers to the dimension in the horizontal direction parallel to the single male connector. Therefore, the plug-in type wiring port can be normally installed and plugged, and can be normally connected with a movable female connector and an external lead which need to be connected.
The connecting line direction of two opposite notches on the top surface of the clam-shaped solid shell is parallel to the direction of a single male head of the plug-in type wiring port, and the distance between the two opposite notches on the top surface of the clam-shaped solid shell is greater than the total length of the plug-in type wiring port; the two ends of the multi-core male head are exposed so that the male head can be normally connected with the female head. The total length of the plug-in wiring port is smaller than the distance between two opposite notches on the top surface of the clam-shaped solid shell, so that the plug-in wiring port is integrally positioned in the clam-shaped solid shell, and the plug-in wiring port is prevented from being damaged when a rolling object passes through the junction box.
The high-density insulating material has a density of more than 1 g/cm3The insulating material of (1), the high-density insulating material is filled at the bottom of the streamline curved surface of the bottom surface of the clam-shaped solid shell and is contacted with the elastic low-density insulating material; the maximum vertical thickness of the high-density insulating material is not more than one fourth of the vertical maximum distance h between the two streamline-shaped curved surfaces of the clam-shaped solid shell, namely not more than h/4; in order to further improve the stability of the junction box, the high-density insulating material can be selected to have a density of more than 2 g/cm3Insulating epoxy resin.
The sawtooth-shaped thin-layer anti-slip layer surrounds the outer surface of the clam-shaped solid shell and is adhered to the clam-shaped solid shell, but two opposite cuts on the top surface of the clam-shaped solid shell are not closed, and the rest parts are closed; the cockscomb structure thin layer skid resistant course is mainly when passing through the terminal box in order to roll the thing, can reduce the wearing and tearing to the terminal box, increases the frictional force of terminal box and ground when rolling the thing and passing through to improve the convenience of rolling the current terminal box of thing, reduce the disturbance to the terminal box, thereby reinforcing the adaptability of terminal box to the urban exploration environment.
By resilient low density insulation is meant a material having a density of less than 1 gram per centimeter3And filled with an elastic insulating materialThe inner part of the clam-shaped solid shell, the outer part of the plug-in wiring port and the high-density insulating material are arranged; to further improve the stability of the junction box, the resilient low-density insulating material may be selected to have a density of less than 0.5 g/cm3And an insulating, elastic epoxy resin.
In order to further increase the pressure resistance of the junction box, a solid support frame for connecting the bottom surface and the top surface of the clam-shaped solid shell can be arranged inside the clam-shaped solid shell, but the solid support frame is required to be free from interfering with normal installation and operation of the plug-in type wiring port.
The application method of the clam-shaped junction box for the urban electrical prospecting signal transmission lead comprises the following steps:
the first step, selecting the clam-shaped junction box which meets the requirements and is used for the urban electrical prospecting signal transmission lead;
secondly, contacting the bottom surface of the clam-shaped junction box with the ground;
thirdly, the connecting direction of two opposite notches on the top surface of the clam-shaped solid shell of the clam-shaped junction box is parallel to the direction of the urban electrical prospecting signal transmission lead wire to be connected;
fourthly, all signal input ends of the urban electrical prospecting signal transmission lead are connected with the metal cores of one female head of the plug-in wiring port one by one;
fifthly, connecting all signal output ends of the urban electrical prospecting signal transmission lead with metal cores of the other female connector of the plug-in type wiring port one by one;
sixthly, connecting two female heads connected with the urban electrical prospecting signal transmission lead with a male head of the plug-in type wiring port respectively;
and seventhly, after the urban electrical prospecting data is measured, disconnecting two female heads connected with the urban electrical prospecting signal transmission lead from the male head of the plug-in wiring port respectively, and recovering the clam-shaped junction box.
Description of the drawings:
FIG. 1 is a flow chart of a method of using a clam-shaped junction box for an urban electrical prospecting signal conductor according to the invention;
FIG. 2 is a top perspective plan view of the clam shaped junction box of the present invention;
FIG. 3 is a first longitudinal cross-sectional view of the clam shell terminal block of the present invention;
fig. 4 is a second longitudinal cross-sectional view of the clam shaped junction box of the present invention.
FIG. 2, FIG. 3 and FIG. 4, reference numeral 1, shows a clam-shaped solid housing of the clam-shaped junction box; 2, a resilient low density insulating material of a clam-shaped junction box; 3 represents a plug-in type wiring port comprising 2 male heads 3-1 and 2 female heads 3-2; 3-1, a male head of a plug-in wiring port of the clam-shaped junction box; 3-2, a female head of a plug-in wiring port of the clam-shaped junction box is shown; 4 denotes a lead; 5 represents a thin high-density insulating material; 6 denotes a serrated thin anti-slip layer. The vertical dashed line in fig. 2 indicates a first longitudinal section direction; the horizontal broken line in fig. 2 indicates the second longitudinal section direction.
The specific implementation mode is as follows:
the invention is further described below in connection with specific embodiments with reference to fig. 1, 2, 3 and 4.
The invention provides a method for using a clam-shaped junction box of an urban electrical prospecting signal wire, which adopts the clam-shaped junction box for the urban electrical prospecting signal transmission wire; the clam-shaped junction box comprises a clam-shaped solid shell 1, an elastic low-density insulating material 2, a plug-in type wiring port 3, a high-density insulating material 5 and a sawtooth-shaped thin-layer anti-skid layer 6;
the clam-shaped solid shell 1 is a solid part, the bottom surface 1-2 and the top surface 1-1 of which are both streamline curved surfaces, the top surface 1-1 of which is provided with two opposite notches, and the rest surfaces of which are closed; in order to reduce the weight of the clam-shaped solid shell 1 and improve the pressure resistance of the clam-shaped solid shell, a metal material with high hardness, easy forming, difficult deformation and low density, such as alloy steel, iron and the like, can be selected, and weak parts such as seams and the like of the shell are reduced as much as possible, such as one-step forming of the clam-shaped solid shell 1, so that the clam-shaped solid shell is beneficial to improving the pressure resistance of the component. The edges of the two opposing cut-outs of the top surface 1-1 are smoothed to reduce damage to external contacts.
The bottom surface 1-2 and the top surface 1-1 of the clam-shaped solid shell 1 satisfy an ellipsoid equation formula:
wherein a, b and c are positive real numbers, a is more than or equal to b>c, a and b are the equatorial radii of the ellipsoid, c is the polar radius of the ellipsoid; the vertical maximum distance h between the two streamline-shaped curved surfaces of the clam-shaped solid shell 1 is not more than c; the connecting line of the two opposite notches of the top surface 1-1 is parallel to the direction of the equatorial radius a of the ellipsoid; when the clam-shaped solid shell 1 is placed on the ground, the clam-shaped solid shell is in a flat mode, so that the ground object can smoothly pass through the junction box, the damage to the junction box is reduced, the obstruction of the ground object in the passing process is also reduced, and the stability of the junction box can be enhanced.
The bottom surface 1-2 and the top surface 1-1 of the clam-shaped solid shell 1, which are perpendicular to the connecting line direction of two opposite cuts of the top surface 1-1 of the clam-shaped solid shell 1, of the first longitudinal section of the clam-shaped junction box are both arc-shaped; the boundaries of the two opposing cutouts of the top surface 1-1 are curved in a top perspective view; the arc-shaped junction box has the advantages that when a vehicle passes through the junction box, resistance to the vehicle is reduced, damage and disturbance to the junction box by the vehicle can be avoided, and contact stability of the junction box and the ground is enhanced.
The shape of the top surface 1-1 and the shape of the bottom surface 1-2 of the clam-shaped solid shell 1 which are parallel to the second longitudinal section of the clam-shaped junction box in the connecting line direction of two opposite cuts on the top surface of the clam-shaped solid shell 1 are both arc-shaped; related parts adopt the arc, when being convenient for the vehicle to pass through, reduce the resistance to the vehicle, also can avoid the vehicle to the destruction and the disturbance of terminal box, strengthen the contact stability of this terminal box and ground.
The two opposite cut edges of the top surface 1-1 of the clam-shaped solid shell 1 are arc-shaped, the maximum chord length of the arc-shaped part is greater than the transverse width of the plug-in wire connecting port 3, and the highest height of the arc-shaped part from the streamline-shaped curved surface of the bottom surface 1-2 of the clam-shaped solid shell 1 is greater than the maximum height of the streamline-shaped curved surfaces of the top surface of the plug-in wire connecting port 3 and the bottom surface 1-2 of the clam-shaped solid shell 1; namely, the plug-in type wiring port 3 is conveniently arranged in the clam-shaped solid shell 1, and the plug-in operation of the female connector 3-2 and the male connector 3-1 of the plug-in type wiring port 3 is convenient.
The plug-in type wiring port 3 is of a bidirectional plug-in type, a multi-core male head 3-1 is arranged at each of two ends of the plug-in type wiring port, two female heads 3-2 are included, the female heads 3-2 are movable parts, the female heads 3-2 are completely matched with the male heads 3-1, and an external lead 4 is connected with the male head 3-1 through one female head 3-2 and is communicated with the other female head 3-2; the plug-in type wiring port 3 is fixed in the clam-shaped solid shell 1 through an elastic low-density insulating material 2, and two ends of a multi-core male head 3-1 of the plug-in type wiring port 3 are exposed and not closed; the male head 3-1 of the plug-in type wiring port 3 is selected to be solidified in the clam-shaped solid shell 1, and the female head 3-2 is used as a movable part, so that when rolling objects such as vehicles pass through the wiring box, the abrasion and damage to the plug-in type wiring port 3 are reduced, and the adaptability of the wiring box in urban environment is further enhanced. The multi-core male heads 3-1 of the plug-in type wiring ports 3 are not directly communicated, namely, are insulated from each other; the size of the plug-in wiring port 3 is smaller than that of the clam-shaped solid shell 1, the vertical thickness of the plug-in wiring port 3 is not more than one half of the maximum vertical thickness between the bottom surface 1-2 and the top surface 1-1 of the clam-shaped solid shell 1, the transverse width of the plug-in wiring port 3 is not more than one half of the transverse width of the clam-shaped solid shell 1, and the transverse length of the plug-in wiring port 3 is not more than that of the clam-shaped solid shell 1; the transverse width of the plug-in wiring port 3 refers to the size of the horizontal direction vertical to the direction of a single male connector 3-1; the transverse length of the plug-in connector 3 is the dimension parallel to the single male connector 3-1 in the horizontal direction. Therefore, the plug-in type wiring port 3 can be normally installed and plugged, and can be normally connected with the movable female connector 3-2 and the external lead 4 which need to be connected.
The connecting line direction of two opposite notches of the top surface 1-1 of the clam-shaped solid shell 1 is parallel to the direction of a single male connector 3-1 of the plug-in type wiring port 3, and the distance between the two opposite notches of the top surface 1-1 of the clam-shaped solid shell 1 is greater than the total length of the plug-in type wiring port 3; two ends of the multi-core male head 3-1 are exposed so that the male head 3-1 and the female head 3-2 can be normally connected. The total length of the plug-in wiring port 3 is smaller than the distance between two opposite notches of the top surface 1-1 of the clam-shaped solid shell 1, so that the plug-in wiring port 3 is integrally positioned in the clam-shaped solid shell 1, and damage to the plug-in wiring port 3 when a rolling object passes through the junction box is avoided.
The high-density insulating material 5 has a density of more than 1 g/cm3The high-density insulating material 5 is filled at the bottom of the streamline curved surface of the bottom surface 1-2 of the clam-shaped solid shell 1 and is contacted with the elastic low-density insulating material 2; the maximum vertical thickness of the high-density insulating material 5 is not more than one fourth of the vertical maximum distance h between the two streamline-shaped curved surfaces of the clam-shaped solid shell 1, namely not more than h/4; to further improve the stability of the junction box, the density of the high-density insulating material 5 may be selected to be not less than 2 g/cm3. For example, the high-density insulating material 5 may have a density of greater than 2 g/cm3Insulating epoxy resin.
The sawtooth-shaped thin-layer anti-slip layer 6 surrounds the outer surface of the clam-shaped solid shell 1, but two opposite cuts on the top surface 1-1 of the clam-shaped solid shell 1 are not closed, and the rest parts are closed; the jagged thin anti-skid layer 6 is mainly used for reducing the abrasion of the junction box when the rolling objects pass through the junction box, increasing the friction force between the junction box and the ground when the rolling objects pass through, thereby improving the convenience of the passing junction box of the rolling objects, reducing the disturbance to the junction box and enhancing the adaptability of the junction box to the urban exploration environment.
The resilient low density insulation 2 means a density of less than 1 g/cm3The insulating material with elasticity is filled between the inner part of the clam-shaped solid shell 1, the outer part of the plug-in type wiring port 3 and the high-density insulating material 5; to further improve the stability of the junction box, the resilient low-density insulating material 2 may be selected to have a density of less than 0.5 g/cm3And an insulating, elastic epoxy resin.
In order to further increase the pressure resistance of the junction box, a solid support frame for connecting the bottom surface 1-2 and the top surface 1-1 of the clam-shaped solid shell 1 can be arranged inside the clam-shaped solid shell, but the solid support frame is required to be free from interfering with normal installation and operation of the plug-in type wiring port 3.
The application method of the clam-shaped junction box for the urban electrical prospecting signal transmission lead comprises the following steps:
the first step, selecting the clam-shaped junction box which meets the requirements and is used for the urban electrical prospecting signal transmission lead;
secondly, contacting the bottom surface 1-2 of the clam-shaped junction box with the ground;
thirdly, the connecting direction of two opposite cuts on the top surface 1-1 of the clam-shaped solid shell 1 of the clam-shaped junction box is parallel to the direction of the urban electrical prospecting signal transmission lead 4 to be connected;
fourthly, all signal input ends of the urban electrical prospecting signal transmission lead are connected with the metal cores of one female connector 3-2 of the plug-in type wiring port 3 one by one;
fifthly, connecting all signal output ends of the urban electrical prospecting signal transmission lead with metal cores of the other female connector 3-2 of the plug-in type wiring port 3 one by one;
sixthly, two female heads 3-2 connected with the urban electrical prospecting signal transmission lead are respectively connected with a male head 3-1 of the plug-in type wiring port 3;
seventhly, when the urban electrical prospecting data is measured, two female heads 3-2 connected with the urban electrical prospecting signal transmission lead are respectively disconnected with a male head 3-1 of the plug-in type wiring port 3, and the clam-shaped wiring box is recovered.
The above description is only exemplary of the invention and should not be taken as limiting, since any modifications, equivalents, improvements and the like, which are within the spirit and principle of the invention, are intended to be included therein.
Claims (6)
1. A method for using a clam-shaped junction box of an urban electrical prospecting signal wire is characterized by comprising the following steps: the using method adopts the clam-shaped junction box for the urban electrical prospecting signal transmission lead; the clam-shaped junction box comprises a clam-shaped solid shell, a plug-in type wiring port, an elastic low-density insulating material, a high-density insulating material and a sawtooth-shaped thin anti-skid layer;
the clam-shaped solid shell is a solid part, the bottom surface and the top surface of which are both streamline curved surfaces, the top surface of which is provided with two opposite notches, and the rest surfaces of which are closed;
the streamline curved surfaces of the bottom surface and the top surface of the clam-shaped solid shell meet the ellipsoidal surfaceEquation formula:
wherein a, b and c are positive real numbers, a is more than or equal to b>c, a and b are the equatorial radii of the ellipsoid, c is the polar radius of the ellipsoid; the vertical maximum distance h between the two streamline-shaped curved surfaces of the clam-shaped solid shell is not more than c; the connecting line of the two opposite notches on the top surface is parallel to the direction of the equatorial radius a of the ellipsoid;
the bottom surface and the top surface of the clam-shaped solid shell of the first longitudinal section of the clam-shaped junction box, which are vertical to the connecting line direction of two opposite notches on the top surface of the clam-shaped solid shell, are both arc-shaped; the boundaries of the two opposing cut-outs of the top surface are arc-shaped in a top perspective view; the shape of the top surface and the shape of the bottom surface of the clam-shaped solid shell which are parallel to the second longitudinal section of the clam-shaped junction box in the connecting line direction of the two opposite notches on the top surface of the clam-shaped solid shell are both arc-shaped;
the edge parts of two opposite notches of the top surface of the clam-shaped solid shell are arc-shaped, the horizontal maximum chord length of the arc-shaped part is greater than the transverse width of the plug-in wiring port, and the highest height of the arc-shaped part from the streamline-shaped curved surface of the bottom surface of the clam-shaped solid shell is greater than the maximum height of the streamline-shaped curved surface of the top surface of the plug-in wiring port and the bottom surface of the clam-shaped solid shell;
the plug-in type wiring port is of a bidirectional plug-in type, a multi-core male head is arranged at each of two ends of the plug-in type wiring port, the plug-in type wiring port comprises two female heads, the female heads are movable parts, the female heads are completely matched with the male heads, and external wires are connected with the male heads through one female head and are communicated with the other female head;
the plug-in type wiring port is fixed in the clam-shaped solid shell through an elastic low-density insulating material, and two ends of a multi-core male head of the plug-in type wiring port are exposed and are not closed;
the connecting line direction of two opposite notches on the top surface of the clam-shaped solid shell is parallel to the direction of a single male head of the plug-in type wiring port, and the distance between the two opposite notches on the top surface of the clam-shaped solid shell is greater than the total length of the plug-in type wiring port;
the high-density insulating material has a density of more than 1 g/cm3The insulating material of (1), the high-density insulating material is filled at the bottom of the streamline curved surface of the bottom surface of the clam-shaped solid shell and is contacted with the elastic low-density insulating material; the maximum vertical thickness of the high-density insulating material is not more than one fourth of the vertical maximum distance h between the two streamline-shaped curved surfaces of the clam-shaped solid shell, namely not more than h/4;
the sawtooth-shaped thin-layer anti-slip layer surrounds the outer surface of the clam-shaped solid shell, but two opposite cuts on the top surface of the clam-shaped solid shell are not closed, and the rest parts are closed;
by resilient low density insulation is meant a material having a density of less than 1 gram per centimeter3The insulating material with elasticity is filled between the inner part of the clam-shaped solid shell, the outer part of the plug-in type wiring port and the high-density insulating material;
the application method of the clam-shaped junction box for the urban electrical prospecting signal transmission lead comprises the following steps:
the first step, selecting the clam-shaped junction box which meets the requirements and is used for the urban electrical prospecting signal transmission lead;
secondly, contacting the bottom surface of the clam-shaped junction box with the ground;
thirdly, the connecting direction of two opposite notches on the top surface of the clam-shaped solid shell of the clam-shaped junction box is parallel to the direction of the urban electrical prospecting signal transmission lead wire to be connected;
fourthly, all signal input ends of the urban electrical prospecting signal transmission lead are connected with the metal cores of one female head of the plug-in wiring port one by one;
fifthly, connecting all signal output ends of the urban electrical prospecting signal transmission lead with metal cores of the other female connector of the plug-in type wiring port one by one;
sixthly, connecting two female heads connected with the urban electrical prospecting signal transmission lead with a male head of the plug-in type wiring port respectively;
and seventhly, after the urban electrical prospecting data is measured, disconnecting two female heads connected with the urban electrical prospecting signal transmission lead from the male head of the plug-in wiring port respectively, and recovering the clam-shaped junction box.
2. The method of using a clam-shaped junction box for an urban electrical prospecting signal conductor according to claim 1, characterized in that: the clam-shaped solid shell is internally provided with a solid support frame which is connected with the streamline-shaped curved surface of the bottom surface and the top surface.
3. The method of using a clam-shaped junction box for an urban electrical prospecting signal conductor according to claim 1, characterized in that: the multi-core male heads of the plug-in wiring port are not directly communicated, namely are insulated from each other; the size of the plug-in wiring port is smaller than that of the clam-shaped solid shell.
4. The method of using a clam-shaped junction box for an urban electrical prospecting signal conductor according to claim 1, characterized in that: the high-density insulating material is selected to have a density of more than 2 g/cm3Insulating epoxy resin.
5. The method of using a clam-shaped junction box for an urban electrical prospecting signal conductor according to claim 1, characterized in that: the elastic low-density insulating material is selected from materials with the density of less than 0.5 g/cm3And an insulating, elastic epoxy resin.
6. The method of using a clam-shaped junction box for an urban electrical prospecting signal conductor according to claim 1, characterized in that: the thickness of the serrated thin-layer anti-skid layer is not more than 0.5 cm, and the material with strong wear resistance is selected.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006123591A1 (en) * | 2005-05-15 | 2006-11-23 | Sony Computer Entertainment Inc. | Electronic device |
| CN202134770U (en) * | 2011-05-06 | 2012-02-01 | 成都联星微电子有限公司 | Communication prolonged cable structure |
| CN104656147A (en) * | 2015-02-16 | 2015-05-27 | 山东大学 | Composite electrode device for direct-current electrical prospecting and operation method of composite electrode device |
| CN106207675A (en) * | 2016-09-20 | 2016-12-07 | 广州市盾建地下工程有限公司 | Cable male, cable female and cable for shield machine adapter |
| CN108957560A (en) * | 2018-06-06 | 2018-12-07 | 中南大学 | A kind of electrical prospecting method suitable for the detection of the cities and towns underground space |
| US10199784B2 (en) * | 2016-09-06 | 2019-02-05 | Apple Inc. | Electronic connector |
| CN209571635U (en) * | 2019-04-11 | 2019-11-01 | 深圳市海崴科技有限公司 | A kind of connector 5PIN female structure of carry magnet |
| CN209690528U (en) * | 2019-03-29 | 2019-11-26 | 四川宇登工程勘测设计有限公司 | A kind of multi-electrode resistivity imaging survey electrode assembly waterborne |
-
2020
- 2020-05-19 CN CN202010422993.7A patent/CN111555221B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006123591A1 (en) * | 2005-05-15 | 2006-11-23 | Sony Computer Entertainment Inc. | Electronic device |
| CN202134770U (en) * | 2011-05-06 | 2012-02-01 | 成都联星微电子有限公司 | Communication prolonged cable structure |
| CN104656147A (en) * | 2015-02-16 | 2015-05-27 | 山东大学 | Composite electrode device for direct-current electrical prospecting and operation method of composite electrode device |
| US10199784B2 (en) * | 2016-09-06 | 2019-02-05 | Apple Inc. | Electronic connector |
| CN106207675A (en) * | 2016-09-20 | 2016-12-07 | 广州市盾建地下工程有限公司 | Cable male, cable female and cable for shield machine adapter |
| CN108957560A (en) * | 2018-06-06 | 2018-12-07 | 中南大学 | A kind of electrical prospecting method suitable for the detection of the cities and towns underground space |
| CN209690528U (en) * | 2019-03-29 | 2019-11-26 | 四川宇登工程勘测设计有限公司 | A kind of multi-electrode resistivity imaging survey electrode assembly waterborne |
| CN209571635U (en) * | 2019-04-11 | 2019-11-01 | 深圳市海崴科技有限公司 | A kind of connector 5PIN female structure of carry magnet |
Non-Patent Citations (1)
| Title |
|---|
| 王荡，程云涛，王斌: ""地下管线探测方法在城市复杂环境中的应用"", 《冶金管理》 * |
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