阅读说明：本技术 一种标识装置 (Identification device ) 是由 周亚武 李泽明 陈鸣 罗育辉 胡全 余海腾 罗创涛 刘文威 黄晓俊 刘博伟 李凤 于 2021-08-11 设计创作，主要内容包括：本发明属于地埋标识技术领域,公开了一种标识装置。该标识装置包括：地桩、指示单元、显示单元、定位单元和供电单元。其中,地桩的高度可调；指示单元设置于地桩上,指示单元包括夹角可调的进线走向标和出线走向标；显示单元包括显示面板,显示面板用于可发光地显示图文信息；定位单元用于确定地桩的地理位置；供电单元包括太阳能电池,该太阳能电池用于为显示单元和定位单元供电。本发明提供的标识装置,进线走向标和出线走向标角度可360度调节,能够准确地标识埋设管线的走向,显示面板可发光地显示图文信息,以清晰地展示和变更所需图文信息,供电环保,维护需求低,便于批量管理。(The invention belongs to the technical field of underground identification and discloses an identification device. The identification device comprises: the ground pile, the indicating unit, the display unit, the positioning unit and the power supply unit. Wherein the height of the ground pile is adjustable; the indicating unit is arranged on the ground pile and comprises an incoming line trend mark and an outgoing line trend mark, and the included angle of the incoming line trend mark and the included angle of the outgoing line trend mark are adjustable; the display unit comprises a display panel, and the display panel is used for displaying the image-text information in a luminous manner; the positioning unit is used for determining the geographic position of the ground pile; the power supply unit comprises a solar cell for supplying power to the display unit and the positioning unit. The marking device provided by the invention has the advantages that the angles of the incoming line trend mark and the outgoing line trend mark can be adjusted by 360 degrees, the trend of the buried pipeline can be accurately marked, the display panel can display the graphic and text information in a luminous manner so as to clearly display and change the required graphic and text information, the power supply is environment-friendly, the maintenance requirement is low, and the batch management is convenient.)

1. An identification device, comprising:

the ground pile (1), the height of the ground pile (1) is adjustable;

the indicating unit (2) is arranged on the ground pile (1), and the indicating unit (2) comprises an incoming line trend mark (21) and an outgoing line trend mark (22) with adjustable included angles;

a display unit (3) comprising a display panel (31), the display panel (31) being adapted to luminescently display teletext information;

a positioning unit for determining the geographical position of the ground pile (1);

a power supply unit (4) comprising a solar cell (41), the solar cell (41) being adapted to supply power to the display unit (3) and the positioning unit.

2. The identification device according to claim 1, wherein the indication unit (2) further comprises a rotating shaft (23) and a locking member (24), the incoming line trend mark (21) and the outgoing line trend mark (22) are respectively and rotatably arranged on the rotating shaft (23), and the locking member (24) can lock the incoming line trend mark (21) and the outgoing line trend mark (22).

3. The identification device according to claim 2, characterized in that the indication unit (2) further comprises a bottom plate (25), the bottom plate (25) is arranged on the ground pile (1), the rotating shaft (23) is arranged on the bottom plate (25), the locking member (24) is movably arranged on the rotating shaft (23), the incoming line trend mark (21) and the outgoing line trend mark (22) are located between the locking member (24) and the bottom plate (25), and the distance between the locking member (24) and the bottom plate (25) is adjustable to compress or loosen the incoming line trend mark (21) and the outgoing line trend mark (22).

4. The identification device according to claim 3, characterized in that the locking member (24) is in threaded connection with the rotary shaft (23), and the distance between the locking member (24) and the base plate (25) can be adjusted by screwing the locking member (24).

5. The marking device according to claim 3, characterized in that the locking member (24) is slidably disposed on the rotating shaft (23), one of the bottom plate (25) and the locking member (24) is provided with a hooking member, and the other is provided with a hooking rod, and the hooking member can be hooked on the hooking rod, so that the bottom plate (25) and the locking member (24) press the incoming line trend mark (21) and the outgoing line trend mark (22).

6. Identification device according to claim 2, characterized in that the indicating unit (2) further comprises a fixing member, one of the fixing member and the rotating shaft (23) is provided with a protrusion, the other is provided with a groove cooperating with the protrusion, the protrusion and the groove can cooperate with each other to immobilize the rotating shaft (23).

7. Identification device according to claim 1, characterized in that the incoming line strike (21) and the outgoing line strike (22) differ in length; and/or the colors of the incoming line trend mark (21) and the outgoing line trend mark (22) are different.

8. Identification device according to claim 1, characterized in that the ground pile (1) comprises a first pile (11) and a second pile (12), the first pile (11) being configured to be buried in the ground, the second pile (12) being slidably arranged in the height direction on the first pile (11), one of the first pile (11) and the second pile (12) being provided with an elastic projection, the other being provided with a through hole, the elastic projection cooperating with the through hole to fix the second pile (12) on the first pile (11), the display panel (31) being provided on the second pile (12).

9. Identification device according to claim 1, characterized in that said positioning unit comprises a GPS module (5) and a user terminal, said GPS module (5) being arranged on said pile (1), said solar cell (41) being adapted to supply said GPS module (5) with power, said GPS module (5) being adapted to determine said geographical position of said pile (1) and to generate geographical position information, said user terminal being able to remotely receive said geographical position information.

10. The identification device according to claim 1, wherein the power supply unit (4) further comprises an energy storage battery (42), a charge-discharge controller (43) and a power management module (44), the charge-discharge controller (43) is configured to convert an output voltage of the energy storage battery (42) into a first voltage and output the first voltage to the power management module (44), and the power management module (44) is electrically connected to the display panel (31) to supply power to the display panel (31);

the charge and discharge controller (43) is further configured to continuously monitor the charge and discharge voltage of the energy storage battery (42):

if the charging and discharging voltage exceeds a preset overvoltage protection range, the charging and discharging controller (43) starts to accumulate the duration time exceeding the overvoltage protection range;

if the duration time is greater than or equal to the preset delay time, the charging and discharging controller (43) closes the charging and discharging of the energy storage battery (42) so as to protect the energy storage battery (42);

and if the duration is less than the preset delay time, keeping the energy storage battery (42) to continuously operate.

Technical Field

The invention relates to the technical field of underground marks, in particular to a marking device.

Background

The marking pile is also called as warning pile, and is an indicating device commonly used for lines of electric power, petroleum, railways and the like.

On the one hand, the route of current identification pile moves towards the sign and generally divide into linear type and right angle type, however, buries the trend of pipeline underground at present and presents 360 degrees multi-angulations, only leans on the pipeline of linear type and right angle type to move towards the demand that the sign can't satisfy the pipeline and move towards accurate sign, and after a plurality of identification piles series connection signs, brings the misleading for later stage constructor easily, increases the destruction risk of pipeline. On the other hand, the image-text identification information on the existing identification pile is mainly presented by printing technology. After printing, the printing paper is not easy to change, and the image-text information is easy to blur along with the increase of the service time, so that the warning effect is poor, and the image-text information is difficult to identify under dark light, so that the warning effect cannot be achieved.

Disclosure of Invention

The invention aims to provide a marking device which can accurately mark the direction of a pipeline, clearly display and change required image-text information, has environment-friendly power supply and low maintenance requirement and is convenient for batch management.

In order to achieve the purpose, the invention adopts the following technical scheme:

an identification device, comprising:

the height of the ground pile is adjustable;

the indicating unit is arranged on the ground pile and comprises an incoming line trend mark and an outgoing line trend mark, and the included angle of the incoming line trend mark and the included angle of the outgoing line trend mark are adjustable;

the display unit comprises a display panel, and the display panel is used for displaying the image-text information in a luminous manner;

the positioning unit is used for determining the geographic position of the ground pile;

and the power supply unit comprises a solar battery, and the solar battery is used for supplying power to the display unit and the positioning unit.

Optionally, the indicating unit further comprises a rotating shaft and a locking piece, the incoming line trend mark and the outgoing line trend mark are respectively rotatably arranged on the rotating shaft, and the locking piece can lock the incoming line trend mark and the outgoing line trend mark.

Optionally, the indicating unit further comprises a bottom plate, the bottom plate is arranged on the ground pile, the rotating shaft is arranged on the bottom plate, the locking piece is movably arranged on the rotating shaft, the inlet wire trend mark and the outlet wire trend mark are located between the locking piece and the bottom plate, the spacing between the locking piece and the bottom plate is adjustable, and therefore the inlet wire trend mark and the outlet wire trend mark can be pressed or loosened.

Optionally, the retaining member with pivot threaded connection, through revolving to twist the retaining member can adjust the retaining member with the interval of bottom plate.

Optionally, the retaining member slide set up in the pivot, the bottom plate with be equipped with hook and hanger on one of them of retaining member, be equipped with the hook pole on the other, hook and hanger can hook on the hook pole, so that the bottom plate with the retaining member compresses tightly inlet wire trend mark with the outlet wire moves towards the mark.

Optionally, the indicating unit further includes a fixing member, one of the fixing member and the rotating shaft is provided with a protrusion, the other is provided with a groove matched with the protrusion, and the protrusion and the groove can be matched with each other to fix the rotating shaft.

Optionally, the incoming line trend mark and the outgoing line trend mark have different lengths; and/or the colors of the incoming line trend mark and the outgoing line trend mark are different.

Optionally, the ground pile includes a first pile and a second pile, the first pile is configured to be buried in the ground, the second pile is slidably disposed on the first pile along a height direction, one of the first pile and the second pile is provided with an elastic protrusion, the other is provided with a through hole, the elastic protrusion cooperates with the through hole to fix the second pile on the first pile, and the display panel is disposed on the second pile.

Optionally, the positioning unit includes a GPS module and a user terminal, the GPS module is disposed on the ground pile, the solar cell is configured to supply power to the GPS module, the GPS module is configured to determine the geographic position of the ground pile and generate geographic position information, and the user terminal is capable of remotely receiving the geographic position information.

Optionally, the power supply unit further includes an energy storage battery, a charge-discharge controller, and a power management module, where the charge-discharge controller is configured to convert an output voltage of the energy storage battery into a first voltage and output the first voltage to the power management module, and the power management module is electrically connected to the display panel to supply power to the display panel;

the charge and discharge controller is further configured to continuously monitor a charge and discharge voltage of the energy storage battery:

if the charging and discharging voltage exceeds a preset overvoltage protection range, the charging and discharging controller starts to accumulate the duration time exceeding the overvoltage protection range;

if the duration time is greater than or equal to the preset delay time, the charge-discharge controller closes the charge and discharge of the energy storage battery so as to protect the energy storage battery;

and if the duration time is less than the preset delay time, keeping the energy storage battery to continuously operate.

Has the advantages that:

according to the marking device provided by the invention, after the ground pile is placed beside the pipeline to be marked, the ground pile is preliminarily adjusted to a proper height so as to adapt to different buried terrains; then, burying the ground pile on the ground; then, rotating the incoming line trend mark and the outgoing line trend mark, and adjusting the angles of the incoming line trend mark and the outgoing line trend mark to enable the incoming line trend mark and the outgoing line trend mark to respectively point to the incoming line direction and the outgoing line direction of the pipeline, so that the trend of the pipeline is accurately identified; meanwhile, a switch of the solar cell is turned on to supply power for the display unit and the positioning, the image-text information is displayed by the display panel, the display content can be changed in a personalized manner, and the display panel can display the image-text information in a luminous manner, so that the image-text information is displayed clearly, and a good warning effect is achieved even at night; finally, the ground piles are accurately adjusted to the proper height and fixed again, so that the display unit and the indicating unit are obvious to display the pipeline trend and the image-text information. The positioning unit can determine the positions of the identification devices in real time, and is convenient for the unified management of the identification devices scattered in various places of a city. The solar cell supplies power to the positioning unit and the display unit, so that a conventional power supply circuit is not required to be laid, the environment is protected, the service life is long, and the maintenance requirement on the identification device is reduced. The identification device provided by the invention can accurately identify the trend of the pipeline, clearly display and change the required image-text information, has the advantages of environment-friendly power supply and low maintenance requirement, and is convenient for batch management.

Drawings

Fig. 1 is a schematic structural diagram of an identification device according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the structure of the indicating unit in FIG. 1;

fig. 3 is a connection relationship diagram of the display unit, the positioning unit and the power supply unit in the identification apparatus of fig. 1.

In the figure:

1. piling; 11. a first pile; 12. a second pile; 13. a limit bolt;

2. an indicating unit; 21. marking the incoming line trend; 22. marking the outgoing line trend; 23. a rotating shaft; 24. a locking member; 25. a base plate;

3. a display unit; 31. a display panel;

4. a power supply unit; 41. a solar cell; 42. an energy storage battery; 43. a charge and discharge controller; 44. a power management module;

5. and a GPS module.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; 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 in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Various pipelines which provide convenience for human production and life, such as power cables, communication optical fibers and the like, are arranged at all corners of a city, and in order to prevent the important pipelines from being damaged unintentionally, identification piles are often arranged above the ground surface beside the pipelines to play a role in warning. The main content displayed on the identification pile comprises pipeline trend and image-text information. At present, image-text information is mainly arranged on an identification pile in a printing mode, cannot be changed and cannot play a warning effect at night; the pipeline trend is also fixedly marked on the identification pile, and can only be adjusted when the identification pile is buried, after the identification pile is buried, the pipeline trend can not be adjusted, the trend of the pipeline can not be accurately displayed when the pipeline trend changes, and one identification pile can only identify the trend of one pipeline, so that the requirement that a single identification pile simultaneously identifies the trends of a plurality of pipelines can not be met.

Example one

As shown in fig. 1, the present embodiment provides an identification device, specifically, including ground stake 1, indicating unit 2, display element 3, positioning unit and power supply unit 4, ground stake 1 is buried on the ground beside the pipeline, and positioning unit is used for positioning ground stake 1 to be convenient for manage ground stake 1 in a unified manner. The indicating unit 2 is arranged on the ground pile 1, the indicating unit 2 comprises an incoming line trend mark 21 and an outgoing line trend mark 22, the included angle of the incoming line trend mark 21 and the included angle of the outgoing line trend mark 22 can be adjusted by 360 degrees, and therefore trends of incoming lines and outgoing lines can be accurately marked and displayed; the display unit 3 comprises a display panel 31, the display panel 31 is used for displaying the image and text information in a luminous manner so as to clearly display the image and text information, a good warning effect can be achieved on people or animals around even at night, and the display panel 31 can be changed and display the image and text information in a personalized manner. The power supply unit 4 comprises a solar battery 41, the solar battery 41 generates electricity by using natural energy, and provides electric energy for the display panel 31 and the positioning unit, and conventional power supply circuits are not required to be laid, so that the power supply unit is environment-friendly and long in service life, and the maintenance requirement on the identification device is reduced.

In this embodiment, the ground pile 1 includes a first pile 11 and a second pile 12, the first pile 11 and the second pile 12 are both hollow structures to accommodate other components of the identification device, the first pile 11 is slightly thicker than the second pile 12, the first pile 11 is configured to be vertically buried in the ground, the second pile 12 is slidably inserted into the top end of the first pile 11 along the vertical direction, and the height of the second pile 12 can be adjusted by adjusting the length of the second pile 12 inserted into the first pile 11, so as to adjust the height of the ground pile 1. In one embodiment, one of first pile 11 and second pile 12 is provided with a resilient projection and the other is provided with a through hole, the resilient projection cooperating with the through hole to secure second pile 12 to first pile 11. In another embodiment, each of the first pile 11 and the second pile 12 has a screw hole, and the limit bolt 13 passes through the screw holes of the first pile 11 and the second pile 12 to fix the second pile 12 to the first pile 11. On one hand, the splicing firmness of the first pile 11 and the second pile 12 can be guaranteed, and the stability of the ground pile 1 is improved; on the other hand can quick assembly disassembly ground stake 1, the transportation of being convenient for saves construction installation time. In order to fix second pile 12 at different heights, a plurality of identical screw holes may be formed in first pile 11 and second pile 12 in the height direction. In other embodiments, the specific structure and height adjustment manner of the ground pile 1 can be selected according to actual conditions, and is not limited herein.

Preferably, the ground pile 1 is made of plastic steel, and the plastic steel is light in weight, high in strength, convenient to carry and not easy to damage. In addition, the plastic steel can be suitable for being used under various common weather conditions, and can isolate severe weather so as to protect other parts in the ground pile 1. In other embodiments, the material used for the ground pile 1 may be selected according to practical situations, and is not limited herein.

Optionally, the power supply unit 4 includes an energy storage battery 42, a charge and discharge controller 43, and a power management module 44 in addition to the solar battery 41. The solar cell 41 is disposed outside the second pile 12 to better receive the light energy from the outside, and the energy storage cell 42, the charge/discharge controller 43 and the power management module 44 are all disposed in the second pile 12, and the second pile 12 protects the above components. As shown in fig. 3, the energy storage battery 42 is electrically connected to the solar battery 41 through the charge and discharge controller 43 to receive and store the electric energy output by the solar battery 41; the energy storage battery 42 is connected with the power management module 44 through the charge-discharge controller 43, the charge-discharge controller 43 is configured to convert an output voltage of the energy storage battery 42 into a first voltage and output the first voltage to the power management module 44, and the power management module 44 directly supplies power to each electric device in the identification apparatus; the solar cell 41 is also directly connected to the charge and discharge controller 43, and when the energy storage cell 42 stores a certain amount of electricity, the charge and discharge controller 43 can directly convert the electric energy output by the solar cell 41 into a first voltage and output the first voltage to the power management module 44, so as to save the electricity of the energy storage cell 42, reduce the cycle number of the energy storage cell 42, and increase the service life of the energy storage cell 42.

In order to protect the energy storage battery 42, prevent the energy storage battery 42 from being overcharged and overdischarged, affect the service life of the energy storage battery, even cause fire and explosion, and damage other components on the identification device, the charge and discharge controller 43 is further used for continuously monitoring the charge and discharge voltage of the energy storage battery 42, and if the charge and discharge voltage exceeds a preset overvoltage protection range, the charge and discharge controller 43 starts to accumulate the duration time exceeding the overvoltage protection range; if the duration time is greater than or equal to the preset delay time, the charge and discharge controller 43 closes the charge and discharge of the energy storage battery 42 to protect the energy storage battery 42; if the duration is less than the preset delay time, the energy storage battery 42 is kept running continuously. Illustratively, the energy storage battery 42 is a lithium ion battery, the charging and discharging voltage is a potential difference between a positive electrode and a negative electrode of the lithium ion battery during charging or discharging, the overvoltage protection range is a range between a lower limit value and an upper limit value of the potential difference of the lithium ion battery during a long-term circulation state, when the charging voltage exceeds the upper limit value during charging, the charging and discharging controller 43 starts accumulating a duration time exceeding the upper limit value, if the duration time is greater than or equal to a preset delay time, the charging and discharging controller 43 closes charging of the energy storage battery 42, similarly, when the discharging voltage is lower than the lower limit value during discharging, the charging and discharging controller 43 starts accumulating a duration time lower than the lower limit value, and if the duration time is greater than or equal to the preset delay time, the charging and discharging controller 43 closes discharging of the energy storage battery 42.

Optionally, a display unit 3 is provided on the outer side wall of the second stud 12 to visibly show the graphical information. The display unit 3 is electrically connected to the power management module 44, and is supplied with power from the power management module 44. In this embodiment, the display unit 3 may be a liquid crystal module, the display panel 31 is a liquid crystal panel, and a light source is disposed in the liquid crystal module to illuminate the graphic information on the liquid crystal panel. In other embodiments, the display unit 3 is a display screen composed of light emitting diodes, and the display screen itself can display the graphic information in a light-emitting manner without providing an additional light source. Optionally, the display unit 3 further includes a USB interface and a network interface, both of which are disposed at a lower side of the display panel 31. Through the USB interface and the network interface, personalized graphic and text information can be transmitted to the display panel 31, such as: basic information such as pipeline facility information, operation and maintenance units, emergency repair telephones and the like and additional information such as pipeline burial depth, laying range, importance degree, legal propaganda and the like.

Optionally, the positioning unit comprises a GPS module 5 and a user terminal, the GPS module 5 is installed inside the second pile 12, the GPS module 5 is used for determining the geographical position of the ground pile 1 and generating geographical position information, the user terminal is capable of remotely receiving the geographical position information, and the solar cell 41 is used for supplying power to the GPS module 5. In the present embodiment, the GPS module 5 is electrically connected to the power management module 44, and the power management module 44 supplies the electric power generated by the solar cell 41 to the GPS module 5. The GPS module 5 includes a communication module in addition to a positioning module. On the GPS module 5, after the positioning module determines the geographical position of the ground pile 1 through a satellite, the geographical position information is transmitted to the communication module in a wired mode, the communication module can be a wireless communication module adopting communication technologies such as radio station, 2G, 3G, 4G, Bluetooth, LORA, NBLOT and the like, and the wireless communication module can be in wireless communication with the user terminal so as to transmit the geographical position information to the user terminal. The user terminal can be a mobile phone or a computer and the like, and can generate an overall path diagram of the pipeline by receiving the geographical position information transmitted by the GPS module 5 on each ground pile 1, so that the construction personnel and the unified management of the pipeline are facilitated, the overall planning design of the newly laid pipeline is facilitated, the newly laid pipeline avoids the geographical position of the installed pipeline, and the installed pipeline cannot be damaged. When the user terminal displays that a certain GPS module 5 is abnormal, constructors can timely maintain the GPS module 5 on the site of the ground pile 1 according to historical geographic information recorded by the GPS module 5.

In this embodiment, the incoming line trend mark 21 and the outgoing line trend mark 22 are arranged above the second pile column 12, and the incoming line trend mark 21 and the outgoing line trend mark 22 are covered with transparent cover bodies, the transparent cover bodies and the top surface of the second pile column 12 form a closed space, the transparent cover bodies are convenient for people around the ground pile 1 to observe the incoming line trend and the outgoing line trend of the pipeline, and can isolate the external influence on the incoming line trend mark 21 and the outgoing line trend mark 22, protect the incoming line trend mark 21 and the outgoing line trend mark 22, prevent the direction of the incoming line trend mark 21 and the outgoing line trend mark 22 from being changed randomly, isolate the corrosion of natural climate on each component on the indicating unit 2, and prolong the service life of the identification device. The material of the transparent cover is not limited, and for example, the material of the transparent cover may be selected from a group of materials consisting of Polycarbonate (PC), polymethyl methacrylate (PMMA) and Polystyrene (PS), transparent plastic or translucent plastic, and the like.

In this embodiment, the indicating unit 2 further includes a rotating shaft 23 and a locking member 24, the rotating shaft 23 is disposed above the second pile 12, the locking member 24 is disposed on the rotating shaft 23, the incoming line trend mark 21 and the outgoing line trend mark 22 are respectively rotatably disposed on the rotating shaft 23, so that directions of the incoming line trend mark 21 and the outgoing line trend mark 22 can be flexibly adjusted according to actual trends of the buried pipeline, and the incoming line trend mark 21 and the outgoing line trend mark 22 can accurately reflect an incoming line direction and an outgoing line direction of the buried pipeline. When the inlet wire trend mark 21 and the outlet wire trend mark 22 are accurately marked, the locking piece 24 can lock the inlet wire trend mark 21 and the outlet wire trend mark 22, and the inlet wire trend mark 21 and the outlet wire trend mark 22 are prevented from rotating under external interference, so that the marks are not accurate.

Optionally, as shown in fig. 2, the indicating unit 2 further includes a bottom plate 25, the bottom plate 25 is horizontally attached to the top surface of the second pile 12, the rotating shaft 23 is vertically disposed in the center of the bottom plate 25, the locking member 24 is movably disposed on the upper portion of the rotating shaft 23 and has an adjustable distance with the bottom plate 25, the incoming line trend mark 21 and the outgoing line trend mark 22 are located between the locking member 24 and the bottom plate 25, the locking member 24 is movable along the rotating shaft 23 to be close to the bottom plate 25, and the incoming line trend mark 21 and the outgoing line trend mark 22 are pressed and locked on the bottom plate 25.

Optionally, one end of the incoming line trend mark 21 and one end of the outgoing line trend mark 22 are both circular rings, the circular rings are sleeved on the rotating shaft 23, and the locking member 24 is sleeved on the rotating shaft 23 and is located above the incoming line trend mark 21 and the outgoing line trend mark 22. In one embodiment, the locking member 24 may be a nut, the rotating shaft 23 is provided with a thread, the locking member 24 is in threaded connection with the rotating shaft 23, the locking member 24 can be moved up and down along the rotating shaft 23 by screwing the locking member 24, so that the distance between the locking member 24 and the bottom plate 25 can be adjusted, and the locking member 24 is adjusted through threaded connection to compress the incoming line trend mark 21 and the outgoing line trend mark 22, so that the fixing is firm, the structure is simple, and the operation is convenient. In another embodiment, the locking member 24 is slidably disposed on the rotating shaft 23 along the rotating shaft 23, one of the bottom plate 25 and the locking member 24 is provided with a hook, and the other is provided with a hook rod, the hook is hooked on the hook rod, so that the bottom plate 25 and the locking member 24 press the incoming line trend mark 21 and the outgoing line trend mark 22, and the technical effects of simple operation and firm fixation can be achieved.

In the present embodiment, a plurality of angle marks are provided on the bottom plate 25 along the circumferential direction of the bottom plate 25 to accurately indicate the angles of the incoming line strike marks 21 and the outgoing line strike marks 22. Specifically, as shown in fig. 2, the bottom plate 25 is a rectangular plate, 8 angle marks are arranged on the edge of the rectangular plate at equal angles by using arabic numbers, and the directions of the incoming line trend mark 21 and the outgoing line trend mark 22 are indicated in an angle range from 0 degree to 360 degrees, so that an observer can accurately judge the incoming line trend and the outgoing line trend of the pipeline.

Optionally, the solar cells 41 are pasted on the bottom plate 25 in parallel, the solar cells 41 are firmly fixed, and the bottom plate 25 is horizontally arranged so that the solar cells 41 face upward, so as to improve the efficiency of the solar cells 41 for absorbing light energy.

Optionally, the incoming line strike sign 21 and the outgoing line strike sign 22 are different in length; and/or the colors of the incoming line strike sign 21 and the outgoing line strike sign 22 are different. In one embodiment, the indication unit 2 comprises an incoming line indicator 21 and an outgoing line indicator 22, wherein the length of the incoming line indicator 21 is smaller than the length of the outgoing line indicator 22, so as to distinguish the incoming line direction and the outgoing line direction of the display pipeline. In another embodiment, the indicating unit 2 comprises an incoming line indicator 21 and an outgoing line indicator 22, wherein the color of the incoming line indicator 21 is different from the color of the outgoing line indicator 22, which can also achieve the above-mentioned effects. In another embodiment, the indication unit 2 comprises more than two pairs of incoming line trend marks 21 and outgoing line trend marks 22, the incoming line trend marks 21 and the outgoing line trend marks 22 showing the same pipeline are the same in color, the incoming line trend marks 21 and the outgoing line trend marks 22 showing different pipelines are different in color, and when a plurality of pipelines are buried beside the identification device, the incoming line trend and the outgoing line trend of each pipeline can still be clearly shown.

In the embodiment, the first pile column 11 of the ground pile 1 is buried on the ground, and the second pile column 12 is slid along the height direction of the ground pile 1 to adjust the height of the ground pile 1, so that the display panel 31 and the indicating unit 2 are positioned at the proper height; then, the limit bolt 13 is passed through the screw holes of the first pile 11 and the second pile 12 to fix the position of the second pile 12 on the first pile 11, thereby completing the height fixation of the ground pile 1. Then, the angles of the incoming line trend mark 21 and the outgoing line trend mark 22 on the rotating shaft 23 are adjusted in a rotating mode, so that the incoming line trend mark 21 and the outgoing line trend mark 22 can accurately point to the incoming line direction and the outgoing line direction, the locking piece 24 is screwed, the incoming line trend mark 21 and the outgoing line trend mark 22 are tightly pressed and fixed on the bottom plate 25, and therefore the adjustment of the indicating unit 2 is completed; and finally, the circuit switch is turned on, the solar battery 41 charges the energy storage battery 42 through the charge-discharge controller 43, the energy storage battery 42 can discharge to the power management module 44 through the charge-discharge controller 43, and the power management module 44 is electrically connected to the display panel 31 and the GPS module 5 to provide electric energy for the display panel 31 and the GPS module 5, so that the display of the image-text information and the accurate positioning of the ground pile 1 are realized. In sum, the incoming line trend mark 21 and the outgoing line trend mark 22 can be adjusted by 360 degrees to accurately mark and display the trends of the incoming line pipeline and the outgoing line pipeline; the display panel 31 can change the display content in a personalized way, can display the image-text information in a luminous way, and has better warning effect even at night; the GPS module 5 can determine the position of the identification device in real time, facilitating the unified management of the identification devices scattered throughout the city. The solar cell 41 supplies power to the display panel 31 and the GPS module 5, so that a conventional power supply line is not required to be laid, the environment is protected, the service life is long, and the maintenance requirement on the identification device is reduced.

Example two

The embodiment provides a marking device, which is substantially the same as the marking device in the first embodiment, and the main difference is that the locking member 24 can lock the incoming line trend mark 21 and the outgoing line trend mark 22 on the rotating shaft 23, and in order to lock the movement of the rotating shaft 23, the indicating unit 2 further comprises a fixing member, one of the fixing member and the rotating shaft 23 is provided with a protrusion, the other one is provided with a groove matched with the protrusion, and the protrusion and the groove are matched to fix the rotating shaft 23. Illustratively, the top surface of second pile 12 has seted up the mounting hole, and pivot 23 sets up the top surface at second pile 12, and the plug is established in the mounting hole, and the upper end of pivot 23 stretches out the mounting hole of second pile 12 and is located the top surface of second pile 12, and inlet wire moves towards mark 21 and outlet wire moves towards mark 22 and rotates and set up the upper end at pivot 23, and retaining member 24 sets up on pivot 23 and is located the top surface of second pile 12 and outlet wire and moves towards mark 22 between. The lower end of the rotating shaft 23 penetrates through a mounting hole in the top surface of the second pile 12 and is located in the second pile 12, a groove is formed in the side face of the lower end of the rotating shaft 23, a key hole is formed in the side wall of the second pile 12 at the same height as the groove, the fixing piece can be a key, the fixing piece penetrates through the key hole and is inserted into the groove in the rotating shaft 23 and matched with the key hole in the second pile 12, and the rotating shaft 23 is locked to move in all directions. When the angles of the incoming line trend mark 21 and the outgoing line trend mark 22 need to be adjusted, the fixing part can be pulled out from the key hole, the rotating shaft 23 with the incoming line trend mark 21 and the outgoing line trend mark 22 is pulled out from the mounting hole above the second pile column 12, then the locking part 24 is opened, and the angles of the incoming line trend mark 21 and the outgoing line trend mark 22 are adjusted.

Compared with the first embodiment, the incoming line trend mark 21 and the outgoing line trend mark 22 are locked on the rotating shaft 23 instead of being locked on the bottom plate 25, and the distances among the incoming line trend mark 21, the outgoing line trend mark 22 and the bottom plate 25 can be adjusted as required, so that the indicating unit 2 has better marking effect and display effect at different angles and positions. Moreover, when the fixing piece is not taken down, anyone can not change the angles of the incoming line trend mark 21 and the outgoing line trend mark 22 at will, so that the indicating unit 2 is not easy to be tampered by the outside and distorted.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.