CN111522065B - Use method of tumbler-shaped junction box of urban electrical prospecting wire - Google Patents
Use method of tumbler-shaped junction box of urban electrical prospecting wire Download PDFInfo
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- CN111522065B CN111522065B CN202010422995.6A CN202010422995A CN111522065B CN 111522065 B CN111522065 B CN 111522065B CN 202010422995 A CN202010422995 A CN 202010422995A CN 111522065 B CN111522065 B CN 111522065B
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- tumbler
- shaped
- junction box
- plug
- electrical prospecting
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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
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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
Abstract
A method for using a tumbler-shaped junction box of an urban electrical prospecting wire. The tumbler-shaped junction box comprises a tumbler-shaped solid shell, a plug-in type junction port, an elastic low-density insulating material, a high-density insulating material, a sawtooth-shaped thin-layer anti-slip 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 tumbler-shaped junction box is realized; the tumbler-shaped junction box is mainly used for determining the operation process and the requirements of the tumbler-shaped junction box based on the characteristics of the urban electrical prospecting environment. The junction box and the using method can solve the relevant problems encountered when the electrical prospecting is carried out in cities, thereby improving the effect and the efficiency of the electrical prospecting and reducing the adverse effects of the electrical prospecting on urban traffic, life and the like as much as possible. The junction box is suitable for being used in electric prospecting in urban districts with few vehicles.
Description
Technical Field
The invention relates to a tumbler-shaped junction box for improving the accuracy and efficiency of electrical prospecting in the field of geophysical prospecting 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 using method of a tumbler-shaped junction box of an urban electrical prospecting wire, which is characterized by comprising the following steps: the use method of the tumbler-shaped junction box adopts the tumbler-shaped junction box for the signal transmission wire of the urban electrical prospecting; the tumbler-shaped junction box comprises a tumbler-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 tumbler-shaped solid shell is an ellipsoidal shell, two opposite notches are arranged on the ellipsoidal shell, and the rest part of the shell is a closed solid part; in order to reduce the weight of the tumbler-shaped solid shell and improve the pressure resistance of the tumbler-shaped solid shell, 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 tumbler-shaped solid shell, so that the pressure resistance of the component is improved. The edges of the two opposite cuts are smoothed to reduce damage to external contacts. In order to improve the compression resistance of the junction box, a solid support frame can be arranged inside the tumbler-shaped solid shell, but the normal operation of the plug-in type wiring port is not influenced.
The ellipsoidal shell of the tumbler-shaped solid shell meets the ellipsoidal equation formula:
wherein a, b and c are all positive real numbers, c>a = b, a and b are the equatorial radii of the ellipsoid, c is the polar radius of the ellipsoid; a connecting line between the two opposite notches is parallel to the directions of the equatorial radius a and the equatorial radius b of the ellipsoid;
the edges of two opposite notches of the tumbler-shaped solid shell are arc-shaped, and the vertical maximum chord length of the arc-shaped part is greater than the vertical height of the plug-in wiring port; the arc is adopted at the relevant part, so that the damage and disturbance to the junction box can be avoided, and the contact stability of the junction box and the ground is enhanced.
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 and are completely matched with the male heads, and an external wire is connected with the male head through one female head and is communicated with the other female head; the plug-in type wiring port is fixed in the tumbler-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 not closed; the male end of the plug-in type wiring port is solidified in the tumbler-shaped solid shell, and the female end is used as a movable part, so that the waterproof and anti-rolling effects are facilitated, and the adaptability of the junction 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 length of the plug-in wiring port is smaller than the equator radius which is twice of the tumbler-shaped solid shell, and the horizontal distance between two opposite notches of the tumbler-shaped solid shell is larger than the total length of the plug-in wiring port. 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 wire which need to be connected.
The high-density insulating material has a density of more than 1 g/cm 3 The high-density insulating material is filled at the bottom inside the tumbler-shaped solid shell and is in contact 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 polar radius of the ellipsoid of the tumbler-shaped solid shell, namely not more than c/4; to improve the stability of the junction box, the high-density insulating material can be selected from a dense materialDegree greater than 2 g/cm 3 Insulating epoxy resin.
The sawtooth-shaped thin-layer anti-slip layer surrounds the outer surface of the tumbler-shaped solid shell, but is not sealed at two opposite cuts of the tumbler-shaped solid shell, and the rest parts are sealed; in order to improve the applicability of the junction box, the thickness of the serrated thin-layer anti-slip layer can be selected to be not more than 0.5 cm, and a material with strong wear resistance and bright color is selected.
By resilient low density insulation is meant a material having a density of less than 1 gram per centimeter 3 The insulating material with elasticity is filled between the interior of the tumbler-shaped solid shell, the exterior of the plug-in type wiring port and the high-density insulating material; to 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/cm 3 And an insulating, elastic epoxy resin.
The using method of the tumbler-shaped junction box for the urban electrical prospecting signal transmission wire comprises the following steps:
firstly, selecting a tumbler-shaped junction box which meets the requirements and is used for an urban electrical prospecting signal transmission lead;
secondly, contacting the bottom surface of the tumbler-shaped junction box with the ground;
thirdly, the connecting direction of two opposite notches of the tumbler-shaped solid shell of the tumbler-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;
seventhly, when the urban electrical prospecting data are measured, disconnecting the two female heads connected with the urban electrical prospecting signal transmission lead from the male head of the plug-in type wiring port respectively, and recovering the tumbler-shaped junction box.
Description of the drawings:
FIG. 1 is a flow chart of a method of using a tumbler-shaped junction box for an urban electrical prospecting wire according to the invention;
FIG. 2 is a top perspective plan view of the tumbler-shaped junction box of the present invention;
FIG. 3 is a first longitudinal cross-sectional view of the tumbler-shaped terminal block of the present invention;
fig. 4 is a second longitudinal sectional view of the tumbler-shaped junction box of the present invention.
1 in fig. 2, 3 and 4 represents a tumbler-shaped solid housing; 2 denotes a resilient low density insulating material; 3 represents a plug-in type wiring port comprising 2 male heads 3-1 and 2 female heads 3-2; 3-1 represents a male head of the plug-in type wiring port; 3-2 represents a female head of the plug-in type wiring port; 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 dashed line in fig. 2 indicates the second longitudinal section direction.
The specific implementation mode is as follows:
the present invention is further described below in conjunction with specific embodiments with reference to fig. 1, 2, 3, and 4.
The invention provides a using method of a tumbler-shaped junction box of an urban electrical prospecting lead, which adopts the tumbler-shaped junction box for the urban electrical prospecting signal transmission lead; the tumbler-shaped junction box comprises a tumbler-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 tumbler-shaped solid shell 1 is an ellipsoid shell, two opposite notches are arranged on the ellipsoid shell, and the rest part is a closed solid part; in order to reduce the weight of the tumbler-shaped solid shell 1 and improve the pressure resistance of the tumbler-shaped solid shell, 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 tumbler-shaped solid shell 1, so that the pressure resistance of the component is improved. The edges of the two opposite cuts are smoothed to reduce damage to external contacts.
The ellipsoidal shell of the tumbler-shaped solid shell 1 meets the ellipsoidal equation formula:
wherein a, b and c are positive real numbers and c>a = b, a and b are the equatorial radii of the ellipsoid, c is the polar radius of the ellipsoid; a connecting line between the two opposite notches is parallel to the directions of the equatorial radius a and the equatorial radius b of the ellipsoid;
the edges of two opposite notches of the tumbler-shaped solid shell 1 are arc-shaped, and the vertical maximum chord length of the arc-shaped part is greater than the vertical height of the plug-in wiring port 3; the related parts adopt the arc shape, can avoid the vehicle to the destruction and the disturbance of terminal box, strengthen the contact stability of this terminal box and ground.
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, the plug-in type wiring port comprises two female heads 3-2, 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 tumbler-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 solidified in the tumbler-shaped solid shell 1, and the female head 3-2 is used as a movable part for water prevention and rolling resistance, so that the adaptability of the junction 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 type wiring port 3 is smaller than that of the tumbler-shaped solid shell 1, and the horizontal distance between two opposite notches of the tumbler-shaped solid shell 1 is larger than the total length of the plug-in type wiring port 3. 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 high-density insulating material 5 has a density of more than 1 g/cm 3 The high-density insulating material 5 is filled at the bottom of the interior of the tumbler-shaped solid shell 1 and is in contact 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 polar radius of the ellipsoid of the tumbler-shaped solid housing 1, i.e. not more than c/4; thereby ensuring the stability of the junction box.
The sawtooth-shaped thin-layer anti-slip layer 6 surrounds the outer surface of the tumbler-shaped solid shell 1, two opposite cuts of the tumbler-shaped solid shell 1 are not closed, and the rest parts are closed;
the resilient low density insulation 2 means a density of less than 1 g/cm 3 The insulating material with elasticity is filled between the interior of the tumbler-shaped solid shell 1, the exterior of the plug-in type wiring port 3 and the high-density insulating material 5;
the using method of the tumbler-shaped junction box for the urban electrical prospecting signal transmission wire comprises the following steps:
firstly, selecting a tumbler-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 tumbler-shaped junction box with the ground;
thirdly, the connecting direction of two opposite notches of the tumbler-shaped solid shell 1 of the tumbler-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 4 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 wire 4 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 4 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 4 are respectively disconnected with the male head 3-1 of the plug-in type wiring port 3, and the tumbler-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 use method of a tumbler-shaped junction box of an urban electrical prospecting wire is characterized by comprising the following steps: the method adopts a tumbler-shaped junction box for an urban electrical prospecting signal transmission wire; the tumbler-shaped junction box comprises a tumbler-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 tumbler-shaped solid shell is an ellipsoidal shell, two opposite notches are arranged on the ellipsoidal shell, and the rest part of the shell is a closed solid part;
the ellipsoidal shell of the tumbler-shaped solid shell meets the ellipsoidal equation formula:
wherein a, b and c are positive real numbers and c>a = b, a and b are the equatorial radii of the ellipsoid, c is the polar radius of the ellipsoid; a connecting line between the two opposite notches is parallel to the directions of the equatorial radius a and the equatorial radius b of the ellipsoid;
the edges of two opposite notches of the tumbler-shaped solid shell are arc-shaped, and the vertical maximum chord length of the arc-shaped part is greater than the vertical height of the plug-in wiring port;
the plug-in type wiring port is of a bidirectional plug-in type, two ends of the plug-in type wiring port are respectively provided with a multi-core male head, each end of the plug-in type wiring port comprises a female head, the female heads are movable parts and are completely matched with the male heads, and an external lead is connected with the male heads through one female head and is communicated with the other female head;
the plug-in type wiring port is fixed in the tumbler-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 not closed;
the horizontal distance between two opposite notches of the tumbler-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/cm 3 The high-density insulating material is filled at the bottom of the interior of the tumbler-shaped solid shell and is in contact 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 polar radius of the ellipsoid of the tumbler-shaped solid shell, namely not more than c/4;
the sawtooth-shaped thin-layer anti-slip layer surrounds the outer surface of the tumbler-shaped solid shell, two opposite cuts of the tumbler-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 centimeter 3 The insulating material with elasticity is filled between the interior of the tumbler-shaped solid shell, the exterior of the plug-in type wiring port and the high-density insulating material;
the using method of the tumbler-shaped junction box for the urban electrical prospecting signal transmission wire comprises the following steps:
firstly, selecting a tumbler-shaped junction box which meets the requirements and is used for an urban electrical prospecting signal transmission lead;
secondly, contacting the bottom surface of the tumbler-shaped junction box with the ground;
thirdly, the connecting direction of two opposite cuts of the tumbler-shaped solid shell of the tumbler-shaped junction box is parallel to the direction of the urban electrical prospecting signal transmission lead wire needing to be connected;
fourthly, all signal input ends of the urban electrical prospecting signal transmission lead are connected with metal cores of a 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 male heads of the plug-in wiring ports 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 type wiring port respectively, and recovering the tumbler-shaped junction box.
2. The method of using a tumbler-shaped junction box for urban electrical prospecting wires according to claim 1, characterized in that: a solid support frame is arranged in the tumbler-shaped solid shell.
3. The method of using a tumbler-shaped junction box for urban electrical prospecting wires according to claim 1, characterized in that: the length of the plug-in wiring port is less than the two-time equator radius of the tumbler-shaped solid shell.
4. The method of using a tumbler-shaped junction box for urban electrical prospecting wires according to claim 1, characterized in that: the high-density insulating material is selected to have a density of more than 2 g/cm 3 Insulating epoxy resin.
5. The method of using a tumbler-shaped junction box for urban electrical prospecting wires according to claim 1, characterized in that: the elastic low-density insulating material is selected from the materials with the density less than 0.5 g/cm 3 And an insulating, elastic epoxy resin.
6. The method of using the tumbler-shaped junction box for urban electrical prospecting wires 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 and bright color is selected.
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| CN202010422995.6A CN111522065B (en) | 2020-05-19 | 2020-05-19 | Use method of tumbler-shaped junction box of urban electrical prospecting wire |
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| JP2002286456A (en) * | 2001-03-27 | 2002-10-03 | Mitsubishi Electric Corp | Device for recognizing location of vehicle |
| DE202015000753U1 (en) * | 2015-01-30 | 2015-02-16 | Rosenberger Hochfrequenztechnik Gmbh & Co. Kg | Connector arrangement with sleeve part |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1750149A2 (en) * | 2005-08-04 | 2007-02-07 | M. Alessandro Manneschi | Metal detector |
| CN101498791A (en) * | 2009-03-13 | 2009-08-05 | 吉林大学 | Enhanced electrode conversion device of high-density electric instrument |
| CN104425962A (en) * | 2013-08-28 | 2015-03-18 | 立讯精密工业（昆山）有限公司 | Cable connector assembly |
| WO2016106930A1 (en) * | 2015-01-04 | 2016-07-07 | 焦林 | Underground antenna framework apparatus for rfid radio frequency identification and underground installation method thereof |
| CN109932747A (en) * | 2019-03-22 | 2019-06-25 | 中国地质大学（北京） | A kind of road seismic prospecting reception device not influencing traffic |
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