CN109584523A - A kind of ground connection pricker attention device - Google Patents
A kind of ground connection pricker attention device Download PDFInfo
- Publication number
- CN109584523A CN109584523A CN201811554197.8A CN201811554197A CN109584523A CN 109584523 A CN109584523 A CN 109584523A CN 201811554197 A CN201811554197 A CN 201811554197A CN 109584523 A CN109584523 A CN 109584523A
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- China
- Prior art keywords
- ground connection
- pricker
- shield
- attention device
- ground
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/03—Covers
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The invention discloses a kind of ground connection pricker attention devices, including the shield for covering on ground connection pricker outside portion, the top plate being fixedly connected at the top of shield, the infrared induction alarm being fixed on top plate, the fixed link being fixed in the middle part of top plate and the rain shade for being connected to fixed link top；Rain shade is completely covered by the top of infrared induction alarm.It is simple to be grounded pricker attention device structure, design is reasonable, cost of manufacture is cheap, is suitble to power distribution construction work on the spot；Construction site is grounded pricker attention device and covers completely by exposed remaining ground connection pricker on the ground, reflection plaster red and white can play the role of warning alert, when night insufficient light, there is pedestrian close to ground connection pricker, infrared inductor can sense in time, it sounds an alarm, serves as a warning, avoid causing unexpected injury to pedestrian.
Description
Technical field
The present invention relates to power distribution network electrical equipment technical fields, and in particular to a kind of ground connection pricker attention device.
Background technique
In power construction, service work, in order to ensure the safety constructed and overhauled, the installation of ground line is essential
An important process project, no method borrow site grounding wire work-yard, now connect mostly using local use
Ground hammer drill ground connection.Existing ground connection hammer drill is mostly that one end sets acuminous drill rod, applies external force using tools such as iron hammers, makes it
It is inserted into ground, and is pulled out after the completion of construction.Ground connection pricker is a kind of grounding apparatus of elongated rod shape, and one end hammers into ground
The ground line of face, the other end and electrical equipment connects, and electric current is made smoothly to import the earth, guarantees Electrical Safety.Distribution line construction
In the process, it since ground connection pricker construction problem cannot hammer into underground completely, partially bassets and be easy to cause pedestrian's accidental wound
Evil.
Summary of the invention
The object of the present invention is to provide a kind of ground connection pricker attention devices easy for construction, easy to operate.
To achieve the goals above, the technical solution adopted by the present invention is as follows:
A kind of ground connection pricker attention device, including cover on ground connection pricker outside portion shield, be fixedly connected at the top of shield top plate,
The infrared induction alarm that is fixed on top plate, the fixed link being fixed in the middle part of top plate and it is connected to fixed link top
Rain shade；
The rain shade is completely covered by the top of infrared induction alarm.
As a further improvement of the present invention, outside portion reflection plaster is provided on the outside of the shield；The rain shade top
Portion is provided with top reflection plaster.
As a further improvement of the present invention, the shield side is offered for being grounded the bit port that allows passed through.
As a further improvement of the present invention, described that bit port is allowed to be through-hole, it is described to be grounded after through-hole and ground connection
The ground connection of pricker side is fixedly connected.
As a further improvement of the present invention, described that bit port is allowed to be the long gap opened up upwards from shield bottom, institute
Ground line is stated by being fixedly connected after long gap with the ground connection of ground connection pricker side.
As a further improvement of the present invention, the shield bottom is provided with the fixed installation ear of outward bending, described
It is fixedly mounted on ear and offers bolt mounting holes, the fixed installation ear is fixed on the ground by fixing bolt.
As a further improvement of the present invention, the quantity that ear is fixedly mounted is three or more, the fixed installation ear
It is evenly spaced in shield bottom；Reinforcement side sealing is fixedly connected between the adjacent fixed installation ear.
As a further improvement of the present invention, the shield is cylindrical, taper or Polygonal barrel, and material is not
Become rusty steel.
As a further improvement of the present invention, the quantity of the infrared induction alarm is two or more, described infrared
The outside of the inductive probe direction ground connection pricker of line induction alarm device.
As a further improvement of the present invention, nameplate connection ring, nameplate connection ring position are installed on the ground line
Outside shield.
Compared with prior art, obtained by the present invention to have the beneficial effect that:
Structure of the invention is reasonable, easy to use, is fully able to play the role of warning pedestrian in use；It is grounded pricker attention device
Structure is simple, and design is reasonable, cost of manufacture is cheap, is suitble to power distribution construction work on the spot；It construction site will with ground connection pricker attention device
The remaining ground connection pricker of exposure on the ground covers completely, and reflection plaster red and white can play the role of warning alert, the very night
Between insufficient light when, have pedestrian close to ground connection pricker, infrared inductor can sense in time, sound an alarm, and play the work of warning
With avoiding causing unexpected injury to pedestrian.
Detailed description of the invention
Attached drawing 1 is the ground connection schematic diagram of existing ground connection pricker；
Attached drawing 2 is the structural schematic diagram that the present invention is mounted on outside ground connection pricker；
Attached drawing 3 is infrared induction alarm schematic view of the mounting position of the invention；
Attached drawing 4 is the structural schematic diagram of the embodiment of the present invention one；
Attached drawing 5 is the structural schematic diagram of the embodiment of the present invention two.
In attached drawing: 1 ground connection pricker, 2 ground connections, 3 nameplate connection rings, 4 ground lines, 5 shields, 6 outside portion reflection plasters,
7 are fixedly mounted ear, 8 top plates, 9 infrared induction alarms, 10 rain shades, 11 top reflection plasters, 12 fixed links, 13 reinforcement side seals
Side, 14 bolt mounting holes, 15 fixing bolts, 16 long gap, 17 through-holes.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the application and its application or making
Any restrictions.Based on the embodiment in the application, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall in the protection scope of this application.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited scope of the present application processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
In the description of the present application, it is to be understood that the noun of locality such as " front, rear, top, and bottom, left and right ", " laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System is merely for convenience of description the application and simplifies description, and in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is the limitation to the application protection scope；The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
Apply for the limitation of protection scope.
As shown in Fig. 1, when the ground connection of existing ground connection pricker, it is grounded 0.8 meter of pricker overall length, is not less than according to safety requirement buried depth
0.6 meter, since the principle constructed by ground connection pricker has the exposure of partial earthing pricker on the ground, construction site is grounded pricker service condition,
The ground connection pricker for being exposed to outside be easy to cause unexpected injury to pedestrian.
Embodiment one
As shown in Fig. 2 to 4, a kind of ground connection pricker attention device, including covering on the shield 5 of ground connection 1 outside portion of pricker, being fixedly connected on
The top plate 8 at 5 top of shield, the infrared induction alarm 9 being fixed on top plate 8, the fixation for being fixed on 8 middle part of top plate
Bar 12 and the rain shade 10 for being connected to 12 top of fixed link；
IR intrusion detector is divided to active and two kinds of passive type.The present apparatus uses active infrared alarm, particularly alarms
Device actively issues infrared ray, and infrared ray encounters barrier, will rebound back, be received by the probe of alarm.If probe prison
It measures, infrared ray is stationary, that is, constantly issues what red line line constantly rebounded again, then alarm would not be reported
It is alert.When having the object that can be moved to offend this root invisible red line, probe will detect exception, just will call the police.
Its working principles are as follows: the main material of pyroelectric infrared sensor, is lithium tantalate (LiTao3), three sweet phthalein (LATGS) of sulfuric acid
With lead titanate-zirconate (PZT).It is on barium titanate class-1 piezoelectric crystal, and upper and lower surface is equipped with electrode, and on surface added with black
Film.When there is infrared ray intermittently to irradiate, surface temperature rises, and so that the atomic arrangement of crystals is generated variation, that is, causes
Spontaneous polarisation charge.This phenomenon is referred to as pyroelectric effect, is one kind of pyroelectric effect.Pyroelectric effect generate surface charge be
Temporary, as long as it occurs, just neutralized quickly by each ion in air.For this purpose, making infrared sensing with pyroelectric effect
It is mostly added with mechanical period shade before its element, to go out spontaneous polarisation charge periodically when device
It is existing, do not have to when only detecting mobile object.Since the output impedance of pyroelectric sensor is very big, output voltage signal is again atomic weak,
Therefore a field-effect tube and a film resistor Rg are added in sensor internal, convert its impedance.Rs is load resistance,
Some pyroelectric sensors need external without Rs.To realize different testing goals, it is equipped with and filters on the window for entering infrared ray
Mirror filters unwanted spectrum.
Heat as human testing releases infrared sensor, Duo Shiyong dual-element composition.The characteristics of dual-element, is first is that when incidence
Energy when being sequentially mapped to two elements, since two elements are series connection, output doubles than an element；Be separately due to
Two elements are inversely to be connected, and will be cancelled out each other for energy that is identical and inputting simultaneously, as the infrared ray in sunlight is dry
Disturb with error caused by variation of ambient temperature etc..The outer pyroelectric infrared sensor application circuit that everybody invades is prevented, such as working as has
People enter to be protected within sweep of the eye when, sensor generates an ac induction voltage, and frequency has with human motion speed
It closes, usually in 5~6Hz or so.The mobile human body of its controllable 10~12m, about 70 degree of the visual field.
The rain shade 10 is completely covered by the top of infrared induction alarm 9, can be protected in rain and snow infrared
Line induction alarm device 9 is not drenched dampness.
Outside portion reflection plaster 6 is provided on the outside of the shield 5；Top reflection plaster is provided at the top of the rain shade 10
11, it is preferred that select reflection plaster red and white, night can reflection alarming pedestrian have barrier herein.
5 side of shield, which is offered, allows bit port for what ground line 4 passed through, described that bit port is allowed to be through-hole 17, institute
It states after ground line 4 passes through through-hole 17 and is fixedly connected with the ground connection 2 of ground connection 1 side of pricker；Ground connection pricker 1 is covered in this telltale
Behind outside, then carry out ground line connection ground connection 1 operation of pricker.
5 bottom of shield is provided with the fixed installation ear 7 of outward bending, offers spiral shell on the fixed installation ear 7
Bolt mounting hole 14, the fixed installation ear 7 are fixed on the ground by fixing bolt 15, and shield wind-engaging is avoided to turn on one's side.
The quantity that ear 7 is fixedly mounted is three or more, and the fixed installation ear 7 is evenly spaced in shield 5
Bottom；It is fixedly connected between the adjacent fixed installation ear 7 and reinforces side sealing 13；Reinforce the reinforcement of side sealing 13 to pacify on the ground
The securement strength of dress, it is more steady solid firm.
The shield 5 is cylindrical, taper or Polygonal barrel, and material is stainless steel；Stainless steel material was both cheap
Facilitate production, it may have preferable intensity, easy disassembly are reusable.
The quantity of the infrared induction alarm 9 is two or more, the inductive probe of the infrared induction alarm 9
Towards the outside of ground connection pricker 1；The inductive probe of infrared induction alarm 9 can be approached towards more wide visual angle and pedestrian
Direction, be such as grounded 1 surrounding of pricker and compare empty frames, be then respectively provided with infrared induction alarm 9 using four direction and be monitored.
Nameplate connection ring 3 is installed on the ground line 4, the nameplate connection ring 3 is located at outside shield 5, is convenient for area
Divide the design parameters of multiple ground connection prickers 1 and equipment of its connection, prevents misidentification maloperation.
Embodiment two
A kind of ground connection pricker attention device, including the top for covering on the shield 5 of ground connection 1 outside portion of pricker, being fixedly connected on 5 top of shield
It plate 8, the infrared induction alarm 9 being fixed on top plate 8, the fixed link 12 for being fixed on the middle part of top plate 8 and is connected to
The rain shade 10 on 12 top of fixed link；
IR intrusion detector is divided to active and two kinds of passive type.The present apparatus uses active infrared alarm, particularly alarms
Device actively issues infrared ray, and infrared ray encounters barrier, will rebound back, be received by the probe of alarm.If probe prison
It measures, infrared ray is stationary, that is, constantly issues what red line line constantly rebounded again, then alarm would not be reported
It is alert.When having the object that can be moved to offend this root invisible red line, probe will detect exception, just will call the police.
Its working principles are as follows: the main material of pyroelectric infrared sensor, is lithium tantalate (LiTao3), three sweet phthalein (LATGS) of sulfuric acid
With lead titanate-zirconate (PZT).It is on barium titanate class-1 piezoelectric crystal, and upper and lower surface is equipped with electrode, and on surface added with black
Film.When there is infrared ray intermittently to irradiate, surface temperature rises, and so that the atomic arrangement of crystals is generated variation, that is, causes
Spontaneous polarisation charge.This phenomenon is referred to as pyroelectric effect, is one kind of pyroelectric effect.Pyroelectric effect generate surface charge be
Temporary, as long as it occurs, just neutralized quickly by each ion in air.For this purpose, making infrared sensing with pyroelectric effect
It is mostly added with mechanical period shade before its element, to go out spontaneous polarisation charge periodically when device
It is existing, do not have to when only detecting mobile object.Since the output impedance of pyroelectric sensor is very big, output voltage signal is again atomic weak,
Therefore a field-effect tube and a film resistor Rg are added in sensor internal, convert its impedance.Rs is load resistance,
Some pyroelectric sensors need external without Rs.To realize different testing goals, it is equipped with and filters on the window for entering infrared ray
Mirror filters unwanted spectrum.
Heat as human testing releases infrared sensor, Duo Shiyong dual-element composition.The characteristics of dual-element, is first is that when incidence
Energy when being sequentially mapped to two elements, since two elements are series connection, output doubles than an element；Be separately due to
Two elements are inversely to be connected, and will be cancelled out each other for energy that is identical and inputting simultaneously, as the infrared ray in sunlight is dry
Disturb with error caused by variation of ambient temperature etc..The outer pyroelectric infrared sensor application circuit that everybody invades is prevented, such as working as has
People enter to be protected within sweep of the eye when, sensor generates an ac induction voltage, and frequency has with human motion speed
It closes, usually in 5~6Hz or so.The mobile human body of its controllable 10~12m, about 70 degree of the visual field.
The rain shade 10 is completely covered by the top of infrared induction alarm 9, can be protected in rain and snow infrared
Line induction alarm device 9 is not drenched dampness.
Outside portion reflection plaster 6 is provided on the outside of the shield 5；Top reflection plaster is provided at the top of the rain shade 10
11, it is preferred that select reflection plaster red and white, night can reflection alarming pedestrian have barrier herein.
5 side of shield, which is offered, allows bit port for what ground line 4 passed through, described that bit port is allowed to be through-hole 17, institute
State and bit port allowed to be the long gap 16 opened up upwards from 5 bottom of shield, the ground line 4 by after long gap 16 with ground connection pricker
The ground connection 2 of 1 side is fixedly connected.When ground line 4 is connected with ground connection pricker 1, which can be direct
Cover is buckled in outside ground connection pricker 1, is not required to disassemble again, wiring again after shield 5 covers, long compared to the through-hole 17 of embodiment one
Gap 16 is applicable not only to the protection warning for the ground connection pricker 1 newly constructed, and is also applied for alert in the protection of the ground connection pricker 1 used
Show.
5 bottom of shield is provided with the fixed installation ear 7 of outward bending, offers spiral shell on the fixed installation ear 7
Bolt mounting hole 14, the fixed installation ear 7 are fixed on the ground by fixing bolt 15, and shield wind-engaging is avoided to turn on one's side.
The quantity that ear 7 is fixedly mounted is three or more, and the fixed installation ear 7 is evenly spaced in shield 5
Bottom；It is fixedly connected between the adjacent fixed installation ear 7 and reinforces side sealing 13；Reinforce the reinforcement of side sealing 13 to pacify on the ground
The securement strength of dress, it is more steady solid firm.
The shield 5 is cylindrical, taper or Polygonal barrel, and material is stainless steel；Stainless steel material was both cheap
Facilitate production, it may have preferable intensity, easy disassembly are reusable.
The quantity of the infrared induction alarm 9 is two or more, the inductive probe of the infrared induction alarm 9
Towards the outside of ground connection pricker 1；The inductive probe of infrared induction alarm 9 can be approached towards more wide visual angle and pedestrian
Direction, be such as grounded 1 surrounding of pricker and compare empty frames, be then respectively provided with infrared induction alarm 9 using four direction and be monitored.
Nameplate connection ring 3 is installed on the ground line 4, the nameplate connection ring 3 is located at outside shield 5, is convenient for area
Divide the design parameters of multiple ground connection prickers 1 and equipment of its connection, prevents misidentification maloperation.
Structure of the invention is reasonable, easy to use, is fully able to play the role of warning pedestrian in use；It is alert to be grounded pricker
Show that device structure is simple, design is reasonable, cost of manufacture is cheap, is suitble to power distribution construction work on the spot；Construction site ground connection pricker warning
Exposed remaining ground connection pricker on the ground is covered by device completely, and reflection plaster red and white can play the role of warning alert,
When night insufficient light, there is pedestrian close to ground connection pricker, infrared inductor can sense in time, sound an alarm, and play warning
Effect, avoid causing unexpected injury to pedestrian.
Embodiment described above is merely a preferred embodiment of the present invention, and the simultaneously exhaustion of the feasible implementation of non-present invention.It is right
For persons skilled in the art, any aobvious to made by it under the premise of without departing substantially from the principle of the invention and spirit and
The change being clear to should be all contemplated as falling within claims of the invention.
Claims (10)
1. a kind of ground connection pricker attention device, it is characterised in that: including covering on the shield (5) of ground connection pricker (1) outside portion, being fixedly connected
Top plate (8) at the top of shield (5), is fixed on top plate at the infrared induction alarm (9) being fixed on top plate (8)
(8) fixed link (12) in the middle part of and the rain shade (10) for being connected to fixed link (12) top；
The rain shade (10) is completely covered by the top of infrared induction alarm (9).
2. a kind of ground connection pricker attention device according to claim 1, it is characterised in that: be provided on the outside of the shield (5)
Outside portion reflection plaster (6)；Top reflection plaster (11) is provided at the top of the rain shade (10).
3. a kind of ground connection pricker attention device according to claim 1, it is characterised in that: shield (5) side offers
Bit port is allowed for what ground line (4) passed through.
4. a kind of ground connection pricker attention device according to claim 3, it is characterised in that: it is described that bit port is allowed to be through-hole (17),
The ground line (4) passes through through-hole (17) and is fixedly connected afterwards with the ground connection (2) of ground connection pricker (1) side.
5. a kind of ground connection pricker attention device according to claim 3, it is characterised in that: described that bit port is allowed to be from shield
(5) the long gap (16) that bottom opens up upwards, the ground line (4) pass through the ground of long gap (16) afterwards with ground connection pricker (1) side
Wire connections (2) are fixedly connected.
6. a kind of ground connection pricker attention device according to claim 1-5, it is characterised in that: shield (5) bottom
Portion is provided with the fixed installation ear (7) of outward bending, offers bolt mounting holes (14) on the fixed installation ear (7), described
Ear (7) are fixedly mounted to fix on the ground by fixing bolt (15).
7. a kind of ground connection pricker attention device according to claim 6, it is characterised in that: the quantity that ear (7) are fixedly mounted
It is three or more, the fixed installation ear (7) is evenly spaced in shield (5) bottom；The adjacent fixed installation ear (7)
Between be fixedly connected with reinforce side sealing (13).
8. a kind of ground connection pricker attention device according to claim 1, it is characterised in that: the shield (5) is cylindrical, cone
Shape or Polygonal barrel, material are stainless steel.
9. a kind of ground connection pricker attention device according to claim 1, it is characterised in that: the infrared induction alarm (9)
Quantity be two or more, the inductive probe of the infrared induction alarm (9) is towards the outside of ground connection pricker (1).
10. a kind of ground connection pricker attention device according to claim 5, it is characterised in that: be equipped with inscription on the ground line (4)
Board connection ring (3), it is external that the nameplate connection ring (3) is located at shield (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811554197.8A CN109584523A (en) | 2018-12-19 | 2018-12-19 | A kind of ground connection pricker attention device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811554197.8A CN109584523A (en) | 2018-12-19 | 2018-12-19 | A kind of ground connection pricker attention device |
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| CN109584523A true CN109584523A (en) | 2019-04-05 |
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| CN201811554197.8A Pending CN109584523A (en) | 2018-12-19 | 2018-12-19 | A kind of ground connection pricker attention device |
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| CN106920350A (en) * | 2017-04-20 | 2017-07-04 | 国网黑龙江省电力有限公司牡丹江供电公司 | A kind of power equipment attention device |
| CN207017179U (en) * | 2017-06-22 | 2018-02-16 | 温州建源建设有限公司 | A kind of municipal construction warning sign |
| CN207435967U (en) * | 2017-09-22 | 2018-06-01 | 惠安迅科通讯技术服务有限公司 | A kind of traffic guardrail of the spaced ground formula with rotary body |
| CN208157651U (en) * | 2018-04-19 | 2018-11-27 | 杨茹 | A kind of power grounding pile of power engineering |
| CN108777050A (en) * | 2018-04-28 | 2018-11-09 | 黄华生 | A kind of power equipment safety alarming device |
| CN108923142A (en) * | 2018-08-31 | 2018-11-30 | 国网河南省电力公司桐柏县供电公司 | A kind of electric power temporary grounding stake |
| CN209132949U (en) * | 2018-12-19 | 2019-07-19 | 国网河北省电力有限公司衡水供电分公司 | A kind of ground connection pricker attention device |
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