CN205209541U - Non - excavation sensing device and drilling rod - Google Patents
Non - excavation sensing device and drilling rod Download PDFInfo
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- CN205209541U CN205209541U CN201520979130.4U CN201520979130U CN205209541U CN 205209541 U CN205209541 U CN 205209541U CN 201520979130 U CN201520979130 U CN 201520979130U CN 205209541 U CN205209541 U CN 205209541U
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- sensing device
- dig technique
- drill bit
- rechargeable battery
- hydroelectric generator
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Abstract
The utility model provides a non - excavation sensing device and drilling rod relates to non - excavation along with boring the measuring device field. This non - excavation sensing device connects including direction sensing device, chargeable call and hydroelectric generator, hydroelectric generator, chargeable call and direction sensing device electricity in proper order. This non - excavation sensing device and drilling rod has energy -concerving and environment -protective, efficient, cost -effective characteristics.
Description
Technical field
The utility model relates to non-excavation measurement while drilling device field, in particular to a kind of no-dig technique sensing device and drilling rod.
Background technology
Along with the extensive development of urban infrastructure, the application of trenchless technology is more and more extensive, especially in the underground works such as laying and subway work of various pipeline, to lay and construction according to predetermined route to ensure, utilize guiding sensing device lead to information such as the position of drill bit, attitude and temperature and measure at the process need creeping into earth's surface.
When now the subterranean layer with more rocky geologic condition being constructed, the speed of creeping into is very slow, and often a bar needs three to five days, even tens days, the battery durable ability of common no-dig technique sensing device is generally the longest is 24 hours, can not meet practical operation demand.(as rock under the geologic condition of complexity; sandy soil; puddle etc.); due to the speed of creeping into slowly; same engineering length may need a couple of days in even several week just can complete; this just needs no-dig technique sensing device to have enough cruising time, and prior art cannot solve this problem.
Utility model content
The object of the utility model embodiment is to provide a kind of no-dig technique sensing device and drilling rod, to improve above-mentioned problem.
The utility model embodiment is achieved in that
A kind of no-dig technique sensing device, comprise guiding sensing device, rechargeable battery and hydroelectric generator, described hydroelectric generator, described rechargeable battery and described guiding sensing device are electrically connected successively.
A kind of no-dig technique sensing device that the utility model embodiment provides, during use, the guiding sensing device of no-dig technique sensing device and rechargeable battery are put into the cavity of the drill bit of no-dig technique drilling rod, drill bit is arranged groove near one end of shaft, and turbogenerator is positioned at the groove of drill bit near one end of shaft.Due to when constructing, need the intraluminal liquid coolant utilizing shaft to cool drill bit, when liquid coolant is by intraluminal hydroelectric generator, namely hydroelectric generator utilizes the kinetic energy power generation of liquid coolant, and electric energy is outputted to rechargeable battery storage.
Further, described hydroelectric generator is turbogenerator.
Turbogenerator (Turbineengine, or normal referred to as Turbine) be a kind of engine type utilizing the parts of rotation to draw kinetic energy in the fluid through it, be the one of internal combustion engine.Turbogenerator comprises turbine, and turbine can utilize fluid impact wheel rotation and produce kinetic energy, and is electric energy by kinetic transformation, is rechargeable battery charging.
Further, described hydroelectric generator is hydrogenerator.
Hydrogenerator refers to the hydraulic turbine to be that water can be converted into the generator of electric energy by motive power.Current, through the hydraulic turbine, can convert water to mechanical energy, and the rotor of the rotating shaft of hydraulic turbine drive electrical generators again, converts mechanical energy to electric energy and export.
Further, described no-dig technique sensing device also comprises mu balanced circuit, and described hydroelectric generator, described mu balanced circuit, described rechargeable battery and described guiding sensing device are electrically connected successively.
Mu balanced circuit can ensure the circuit that output voltage still can be kept constant when voltage, load, environment temperature, circuit parameter etc. change, and avoids rechargeable battery for the electric energy that provides of guiding sensing device is unstable and occur the nonstandard situation of measurement data.
Further, described no-dig technique sensing device also comprises charge protector, and described hydroelectric generator, described mu balanced circuit, described charge protector, described rechargeable battery and described guiding sensing device are electrically connected successively.
When considering that the kinetic energy that within unit interval current provide for hydroelectric generator is excessive, electric current and the voltage of hydroelectric generator generation are also larger, rated operational voltage and the rated operational current of some components and parts of guiding sensing device may be exceeded, cause guiding sensing device damaged.When exceeding the rated operational voltage of some components and parts and the rated operational current of guiding sensing device, charge protector disconnects automatically, and guiding sensing device can be protected not damaged.
Further, described guiding sensing device comprise controller, temperature sensor, magnetic sensor, acceleration transducer and wireless communication unit, described controller is electrically connected with described temperature sensor, described ground magnetic sensor, acceleration transducer and described wireless communication unit respectively, and described rechargeable battery is electrically connected with described controller.
Temperature sensor is for measuring the temperature of drill bit, acceleration transducer is for measuring the spatial component of the static front acceleration of gravity of drill bit, and then obtain drill bit inclination angle and tool-face inclination angle, afterwards the displacement data of drill bit is obtained, ground magnetic sensor for the angle of the sensing and terrestrial magnetic pole direction that detect drill bit to obtain the benchmark in orientation, afterwards obtain the direction of motion of drill bit, above-mentioned data message, all by after controller process, is sent to the guide instrument display on ground by wireless communication unit.
Further, described rechargeable battery is lithium battery.
Lithium battery has the features such as long service life, energy are high, lightweight, high/low temperature strong adaptability, environmental protection, practical.
Further, described rechargeable battery is Ni-MH battery.
Ni-MH battery is synthesized by hydrogen ion and metallic nickel, the comparable nickel-cadmium battery of Power Reserve amount many 30%, and lighter than nickel-cadmium battery, serviceable life is also longer, and environmentally safe, there is certain feature of environmental protection.
On the other hand, the utility model embodiment still provides a kind of no-dig technique drilling rod, comprise drill bit, shaft and above-mentioned arbitrary described no-dig technique sensing device, one end of described drill bit is provided with multiple first apopore, the other end of described drill bit is connected with one end of described shaft, described drill bit comprises the first cavity and the water transport channel identical with described first apopore quantity, described shaft comprises the hollow tube chamber for water conservancy diversion, each described water transport channel respectively with described tube chamber, a described first apopore conducting, described rechargeable battery, described guiding sensing device is all positioned at described first cavity, described drill bit is provided with groove near one end of described shaft, described hydroelectric generator is positioned at the described groove of described drill bit near one end of shaft, described hydroelectric generator comprises impeller and armature spindle, described impeller set is located at outside the armature spindle of described motor.
Further, one end away from described first apopore of described drill bit is provided with groove, is provided with screw thread in described groove, and one end of described drilling rod is provided with the screw thread matched with the screw thread in described groove, and described drill bit is connected with described drill rod thread.
Be connected with drill rod thread by drill bit, when damaging when hydroelectric generator or guiding sensing device, drill bit and shaft are dismantled by convenient construction personnel, are taken out by the components and parts of the inside and overhaul.
Hinge structure, the utility model embodiment has following beneficial effect: a kind of no-dig technique sensing device that the utility model embodiment provides and drilling rod, this no-dig technique sensing device and drilling rod have following characteristic: 1, avoid to abandon after being used by battery and cause huge secondary pollution to environment, the utility model embodiment to utilize the kinetic transformation of chilled water as electric energy dexterously as rechargeable battery charges, rechargeable battery be can be recycled, not only energy-conservation but also environmental protection.2, for the engineering of any complexity, can not be complete because of the electric energy consumption of no-dig technique sensing device, cause work to carry out, need drilling rod pumpback to reinstall battery, the utility model embodiment, without the need to carrying out battery altering, has high efficiency definitely.3, for a lot of engineering, less observation station just can ensure that whole system is monitored, the flying power of the no-dig technique sensing device battery provided due to the utility model embodiment is very strong, one bar can under what geologic condition in office, in the scope that rig torsion allows, get the longest length, greatly save cost.
For making the above-mentioned purpose of the utility model embodiment, feature and advantage become apparent, preferred embodiment cited below particularly, and coordinate appended accompanying drawing, be described in detail below.
Accompanying drawing explanation
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model embodiment part embodiment, instead of whole embodiments.The assembly of the utility model embodiment describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiment of the utility model embodiment provided in the accompanying drawings and the scope of the claimed the utility model embodiment of not intended to be limiting, but the selected embodiment of the utility model embodiment is only represented.Based on the embodiment in the utility model embodiment, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model embodiment protection.
The principle schematic of a kind of no-dig technique sensing device that Fig. 1 provides for the utility model embodiment one;
The structural representation of the turbogenerator that Fig. 2 provides for the utility model embodiment one;
The vertical view of the turbogenerator that Fig. 3 provides for the utility model embodiment one;
The left view of the turbogenerator that Fig. 4 provides for the utility model embodiment one;
The principle schematic of a kind of no-dig technique sensing device that Fig. 5 provides for the utility model embodiment two;
The schematic appearance of a kind of no-dig technique sensing drilling rod that Fig. 6 provides for the utility model embodiment three;
The structural representation of a kind of no-dig technique sensing drilling rod that Fig. 7 provides for the utility model embodiment three.
Wherein, the corresponding relation between Reference numeral and component names is as follows: guiding sensing device 101, turbogenerator 102, hydrogenerator 103; mu balanced circuit 104, charge protector 105, rechargeable battery 106, drill bit 107; shaft 108, the first apopore 109, water transport channel 110.
Embodiment
Below in conjunction with accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model embodiment part embodiment, instead of whole embodiments.The assembly of the utility model embodiment describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiment of the utility model embodiment provided in the accompanying drawings and the scope of the claimed the utility model embodiment of not intended to be limiting, but the selected embodiment of the utility model embodiment is only represented.Based on the embodiment of the utility model embodiment, the every other embodiment that those skilled in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model embodiment protection.
Along with the extensive development of urban infrastructure, the application of trenchless technology is more and more extensive, and trenchless technology refers to and utilizes guiding sensing device lead to information such as the position of drill bit, attitude and temperature and measure in the process of creeping into.Time now to the geologic condition construction that the rock of subterranean layer is more, the speed of creeping into is very slow, and often a bar needs three to five days, and even tens days, the battery durable ability of common no-dig technique sensing device is generally the longest was 24 hours, can not meet practical operation demand.
In view of this, inventor finds through long-term observation and research, provide a kind of no-dig technique sensing device and drilling rod, this no-dig technique sensing device comprises guiding sensing device, rechargeable battery and hydroelectric generator, and hydroelectric generator, rechargeable battery and guiding sensing device are electrically connected successively.This no-dig technique sensing device and drilling rod have energy-conserving and environment-protective, high, the cost-effective feature of efficiency.
Also by reference to the accompanying drawings the utility model embodiment is described in further detail below by specific embodiment.
Consult Fig. 1, the utility model embodiment provides a kind of no-dig technique sensing device, comprises guiding sensing device 101, rechargeable battery 106 and hydroelectric generator, and hydroelectric generator, rechargeable battery 106 and guiding sensing device 101 are electrically connected successively.
As shown in Figure 2, Figure 3, Figure 4, turbogenerator 102 selected by described hydroelectric generator, turbogenerator (Turbineengine, or normal referred to as Turbine) be a kind of engine type utilizing the parts of rotation to draw kinetic energy in the fluid through it, be the one of internal combustion engine.Turbogenerator comprises turbine, and turbine can utilize fluid impact wheel rotation and produce kinetic energy, and is electric energy by kinetic transformation, for rechargeable battery 106 charges.
Rechargeable battery 106 selects the chargeable lithium cell of a joint 4000mA, and lithium battery has the features such as long service life, energy are high, lightweight, high/low temperature strong adaptability, environmental protection, practical.
Described guiding sensing device 101 comprise controller, temperature sensor, magnetic sensor, acceleration transducer and wireless communication unit, controller respectively with temperature sensor, magnetic sensor, acceleration transducer and wireless communication unit be electrically connected, rechargeable battery 106 is electrically connected with controller.Temperature sensor is for measuring the temperature of drill bit, acceleration transducer is for measuring the spatial component of the static front acceleration of gravity of drill bit, and then obtain drill bit inclination angle and tool-face inclination angle, afterwards the displacement data of drill bit is obtained, ground magnetic sensor for the angle of the sensing and terrestrial magnetic pole direction that detect drill bit to obtain the benchmark in orientation, afterwards obtain the direction of motion of drill bit, above-mentioned data message, all by after controller process, is sent to the guide instrument display on ground by wireless communication unit.
A kind of no-dig technique sensing device that the utility model embodiment provides, during use, the guiding sensing device 101 of no-dig technique sensing device device and rechargeable battery 106 are put into the cavity of no-dig technique drill bit, drill bit 107 is arranged groove near one end of shaft 108, and turbogenerator 102 is positioned at the groove of drill bit 107 near one end of shaft 108.Due to when constructing, need to utilize the intraluminal liquid coolant of shaft (liquid coolant is chilled water or bentonite slurry) to cool drill bit, when liquid coolant is by intraluminal turbogenerator 102, hydraulic shock wheel rotation and produce kinetic energy, and be electric energy by kinetic transformation be that rechargeable battery 106 charges, and electric energy outputted to rechargeable battery 106 and store.
This no-dig technique sensing device has following characteristic: 1, avoid to abandon after being used by battery and cause huge secondary pollution to environment, the utility model embodiment to utilize the kinetic transformation of chilled water as electric energy dexterously as rechargeable battery 106 charges, rechargeable battery 106 be can be recycled, not only energy-conservation but also environmental protection.2, for the engineering of any complexity, can not be complete because of the electric energy consumption of no-dig technique sensing device, cause work cannot carry out needing drilling rod pumpback to reinstall battery, the utility model embodiment, without the need to carrying out battery altering, has high efficiency definitely.3, for a lot of engineering, less observation station just can ensure that whole system is monitored, the flying power of the no-dig technique sensing device battery provided due to the utility model embodiment is very strong, one bar can under what geologic condition in office, in the scope that rig torsion allows, get the longest length, greatly save cost.
Consult Fig. 5, a kind of no-dig technique sensing device that the utility model embodiment two provides, comprise guiding sensing device 101, rechargeable battery 106 and hydroelectric generator, hydroelectric generator, rechargeable battery 106 and guiding sensing device 101 are electrically connected successively.
In the present embodiment, hydrogenerator 103 selected by described hydroelectric generator.Hydrogenerator refers to the hydraulic turbine to be that water can be converted into the generator of electric energy by motive power.Current, through the hydraulic turbine, can convert water to mechanical energy, and the armature spindle of the rotating shaft of hydraulic turbine drive electrical generators again, converts mechanical energy to electric energy and export as rechargeable battery 106 is powered.
Described rechargeable battery 106 selects Ni-MH battery.Ni-MH battery is synthesized by hydrogen ion and metallic nickel, the comparable nickel-cadmium battery of Power Reserve amount many 30%, and lighter than nickel-cadmium battery, serviceable life is also longer, and environmentally safe, there is certain feature of environmental protection.
Described no-dig technique sensing device also comprises mu balanced circuit 104, and hydrogenerator 103, mu balanced circuit 104, rechargeable battery 106 and guiding sensing device 101 are electrically connected successively.Mu balanced circuit 104 can ensure the circuit that output voltage still can be kept constant when voltage, load, environment temperature, circuit parameter etc. change, and avoids rechargeable battery 106 for the electric energy that provides of guiding sensing device 101 is unstable and occur the nonstandard situation of measurement data.
Further, described no-dig technique sensing device also comprises charge protector 105, and hydrogenerator 103, mu balanced circuit 104, charge protector 105, rechargeable battery 106 and guiding sensing device 101 are electrically connected successively.When considering that the kinetic energy that within unit interval current provide for hydroelectric generator is excessive, electric current and the voltage of hydroelectric generator generation are also larger, rated operational voltage and the rated operational current of some components and parts of guiding sensing device 101 may be exceeded, cause guiding sensing device 101 damaged.When exceeding the rated operational voltage of some components and parts and the rated operational current of guiding sensing device 101, charge protector 105 disconnects automatically, and guiding sensing device 101 can be protected not damaged.
Consult Fig. 6, Fig. 7, the utility model embodiment provides a kind of no-dig technique drilling rod, comprise drill bit 107, shaft 108 and the no-dig technique sensing device described in the utility model embodiment one, one end of drill bit 107 is tapered, and the tapered one end of this drill bit 107 is provided with multiple first apopore 109, one end away from the first apopore 109 of drill bit 107 is provided with groove, screw thread is provided with in groove, one end of drilling rod is provided with the screw thread matched with the screw thread in groove, and drill bit 107 is threaded with shaft 108.Drill bit 107 comprises the first cavity and the water transport channel 110 identical with the first apopore 109 quantity, shaft 108 comprises the hollow tube chamber for water conservancy diversion, each water transport channel 110 respectively with tube chamber, first apopore 109 conducting, rechargeable battery 106, guiding sensing device 101 are all positioned at described first cavity, hydroelectric generator is turbogenerator 102, drill bit 107 is provided with groove near one end of shaft 108, and turbogenerator 102 is positioned at the groove of drill bit 107 near one end of shaft 108.Turbogenerator 102 comprises turbine and motor, and impeller set is located at outside the armature spindle of motor.This no-dig technique drilling rod also comprises flange, and the casing of flange is located at outside motor, and flange is threaded with motor by screw, and flange is fixed on one end away from the first apopore 109 of drill bit 107 by screw.
The no-dig technique drilling rod that the utility model embodiment three provides, owing to having installed the no-dig technique sensing device that the utility model embodiment one provides, in the process of construction, when utilizing water pump to extract liquid coolant cooling drill bit 107, liquid coolant is by the tube chamber of the shaft 108 of drilling rod, because drill bit 107 is provided with groove near one end of shaft 108, turbogenerator 102 is positioned at the groove of drill bit 107 near one end of shaft 108.When liquid coolant is by tube chamber, wash away vane rotary, during vane rotary, the armature spindle of drive motor rotates, now electric power generation is that rechargeable battery 106 charges, due to when constructing, all utilizing water pump to extract liquid coolant cooling drill bit 107 at any time, therefore turbogenerator 102 is also all charging for rechargeable battery 106 at any time, makes the no-dig technique sensing device of no-dig technique drilling rod have long-endurance feature.In addition, because the cruising time of the no-dig technique sensing device of no-dig technique drilling rod is longer, this no-dig technique drilling rod is made to have energy-conserving and environment-protective, high, the cost-effective feature of work efficiency, specifically can with reference to the content in the utility model embodiment one.
In the description of the utility model embodiment, also it should be noted that, unless otherwise clearly defined and limited, term " setting ", " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model embodiment can be understood.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to define further it and explain in accompanying drawing subsequently.
In the description of the utility model embodiment, it should be noted that, term " " center ", " on ", D score, " left side ", " right side ", " vertically ", " level ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, or this utility model product orientation of usually putting or position relationship when using, only the utility model embodiment and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore the restriction to the utility model embodiment can not be interpreted as.In addition, term " first ", " second ", " the 3rd " etc. only for distinguishing description, and can not be interpreted as instruction or hint relative importance.
The foregoing is only the preferred embodiment of the utility model embodiment, be not limited to the utility model embodiment, for a person skilled in the art, the utility model embodiment can have various modifications and variations.Within all spirit in the utility model embodiment and principle, any amendment done, equivalent replacement, improvement etc., within the protection domain that all should be included in the utility model embodiment.
Claims (10)
1. a no-dig technique sensing device, is characterized in that, comprise guiding sensing device, rechargeable battery and hydroelectric generator, described hydroelectric generator, described rechargeable battery and described guiding sensing device are electrically connected successively.
2. no-dig technique sensing device according to claim 1, is characterized in that, described hydroelectric generator is turbogenerator.
3. no-dig technique sensing device according to claim 1, is characterized in that, described hydroelectric generator is hydrogenerator.
4. no-dig technique sensing device according to claim 1, is characterized in that, described no-dig technique sensing device also comprises mu balanced circuit, and described hydroelectric generator, described mu balanced circuit, described rechargeable battery and described guiding sensing device are electrically connected successively.
5. no-dig technique sensing device according to claim 4; it is characterized in that; described no-dig technique sensing device also comprises charge protector, and described hydroelectric generator, described mu balanced circuit, described charge protector, described rechargeable battery and described guiding sensing device are electrically connected successively.
6. according to the arbitrary described no-dig technique sensing device of Claims 1 to 5, it is characterized in that, described guiding sensing device comprise controller, temperature sensor, magnetic sensor, acceleration transducer and wireless communication unit, described controller is electrically connected with described temperature sensor, described ground magnetic sensor, acceleration transducer and described wireless communication unit respectively, and described rechargeable battery is electrically connected with described controller.
7. no-dig technique sensing device according to claim 6, is characterized in that, described rechargeable battery is lithium battery.
8. no-dig technique sensing device according to claim 6, is characterized in that, described rechargeable battery is Ni-MH battery.
9. a no-dig technique drilling rod, it is characterized in that, comprise drill bit, shaft and the arbitrary described no-dig technique sensing device of claim 1 ~ 8, one end of described drill bit is provided with multiple first apopore, the other end of described drill bit is connected with one end of described shaft, described drill bit comprises the first cavity and the water transport channel identical with described first apopore quantity, described shaft comprises the hollow tube chamber for water conservancy diversion, the two ends of each described water transport channel respectively with described tube chamber, a described first apopore conducting, described rechargeable battery, described guiding sensing device is all positioned at described first cavity, described drill bit is provided with groove near one end of shaft, described hydroelectric generator is positioned at the described groove of described drill bit near one end of described shaft, described hydroelectric generator comprises impeller and armature spindle, described impeller set is located at outside the armature spindle of described motor.
10. no-dig technique drilling rod according to claim 9, it is characterized in that, one end away from described first apopore of described drill bit is provided with groove, screw thread is provided with in described groove, one end of described drilling rod is provided with the screw thread matched with the screw thread in described groove, and described drill bit is connected with described drill rod thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520979130.4U CN205209541U (en) | 2015-11-30 | 2015-11-30 | Non - excavation sensing device and drilling rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520979130.4U CN205209541U (en) | 2015-11-30 | 2015-11-30 | Non - excavation sensing device and drilling rod |
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| Publication Number | Publication Date |
|---|---|
| CN205209541U true CN205209541U (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520979130.4U Expired - Fee Related CN205209541U (en) | 2015-11-30 | 2015-11-30 | Non - excavation sensing device and drilling rod |
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| Country | Link |
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| CN (1) | CN205209541U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277236A (en) * | 2015-11-30 | 2016-01-27 | 上海帝可容数字科技有限公司 | Trenchless sensing device and drilling rod |
| CN110059045A (en) * | 2019-04-22 | 2019-07-26 | 仓领电子科技(上海)有限公司 | A kind of no-dig technique sensing device bus sharing system based on FPGA, method and device |
-
2015
- 2015-11-30 CN CN201520979130.4U patent/CN205209541U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277236A (en) * | 2015-11-30 | 2016-01-27 | 上海帝可容数字科技有限公司 | Trenchless sensing device and drilling rod |
| CN110059045A (en) * | 2019-04-22 | 2019-07-26 | 仓领电子科技(上海)有限公司 | A kind of no-dig technique sensing device bus sharing system based on FPGA, method and device |
| CN110059045B (en) * | 2019-04-22 | 2024-04-12 | 吴进国 | FPGA-based bus sharing system, method and device for non-excavation sensing device |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20191130 |