CN109448955A - A kind of power marketing Current Transformer - Google Patents
A kind of power marketing Current Transformer Download PDFInfo
- Publication number
- CN109448955A CN109448955A CN201811194216.0A CN201811194216A CN109448955A CN 109448955 A CN109448955 A CN 109448955A CN 201811194216 A CN201811194216 A CN 201811194216A CN 109448955 A CN109448955 A CN 109448955A
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- CN
- China
- Prior art keywords
- flange
- current transformer
- upper casing
- face
- lower casing
- Prior art date
- 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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
Abstract
The invention discloses a kind of power marketing Current Transformers, belong to electrical facility technical field.Power marketing Current Transformer includes mutual inductor ontology, shell, pedestal and stop collar, shell includes upper casing and lower casing, the edge of upper casing is provided with the first flange and the second flange, fixture block and boss are provided on stop collar, current transformer has that fixture block is pressed in the first flange and upper casing is pressed in the first state of lower casing, boss is pressed in the second flange and upper casing and lower casing open the second state and fixture block and the disengaging of the first flange, boss and the disengaging of the second flange and the third state that upper casing and lower casing are relatively rotatable to each other.Power marketing Current Transformer provided by the invention, mutual inductor ontology is set to be in the state of relative closure, to realize the measurement of electric current, anti-interference ability is stronger, measurement data is more accurate, the current transformer can hang and be fixed on cable, and fixed form is easy, firm, be particularly suitable for the measurement of outdoor cable.
Description
Technical field
The present invention relates to electrical facility technical fields, and in particular to a kind of power marketing Current Transformer.
Background technique
In recent years, with the transformation of city net and rural power grids and the degree of automation of power supply system in China's power industry
It is continuously improved, a kind of important electrical of the current transformer as electric system has been widely used in relay protection, has been
Among system monitoring and Power System Analysis.
Current transformer plays as contact element between primary system and electrical secondary system and converts the high current of primary system
At the low current of electrical secondary system, to power respectively to the current coil of measuring instrumentss, relay, correct reflection electrical equipment
Normal operational parameters and fault condition make the equipment of the secondary sides such as measuring instrumentss and relay with primary side high-tension apparatus electrical
Aspect isolation, to guarantee the safety of staff.Meanwhile secondary side apparatus being made to realize standardization, miniaturization, light structure, valence
Lattice are cheap, realize telemeasurement and control convenient for installation in screen convenient for controlling cable using low pressure small bore.When primary system
System occur short trouble when, can the secondary devices such as protection instrument and relay from high current damage.
The anti-interference ability of existing current transformer is weaker, is easy by closing on the mobile interference in interference, position, temperature
And interference of humidity etc., cause measurement result inaccurate.
Summary of the invention
The purpose of the present invention is to provide a kind of power marketing Current Transformers, it is not easy to by extraneous interference, survey
It is accurate to measure result.
In order to solve the above technical problem, the present invention provides following technical solutions:
A kind of power marketing Current Transformer, the current transformer are open type mutual inductor, and the current transformer includes
Mutual inductor ontology and shell, the mutual inductor ontology are set in the shell；The current transformer further includes pedestal and limit
Position ring, the shell includes upper casing and lower casing, is rotatably connected between the upper casing and the lower casing, the upper casing and described
The opposite side of lower casing all has holding tank, and the holding tank mutual cooperation and formation of the holding tank of the upper casing and the lower casing are used for
The cable passage of cable is worn, the mutual inductor ontology is divided into two parts and is embedded in two holding tanks, the mutual inductance
Device ontology can be sheathed on the cable；The edge of the upper casing is provided with the first flange and the second flange, and the lower casing is fixed
Be set to the pedestal, the stop collar is cyclic annular and is rotatably sheathed on the pedestal, the stop collar close to described
One end of upper casing is provided with fixture block and boss, has transition region between the fixture block and the boss；The current transformer
Have that the fixture block is pressed in first flange and the upper casing is pressed in the first state of the lower casing, the boss is pressed in
The second state and the fixture block and first flange that second flange and the upper casing and the lower casing open are de-
From, the boss and second flange is detached from and the upper casing and the lower casing are relatively rotatable to each other the third state.
Further, the opposite both ends of the upper casing are respectively the first hinged end and the first free end, the lower casing
Opposite both ends are respectively the second hinged end and the second free end, and first hinged end and second hinged end are hinged, institute
When stating upper casing and lower casing relative rotation, first free end and second free end can be close to or far from described
First flange is set to first free end, and second flange is set to first hinged end；The top surface of the fixture block
Including the first face and the second face, first face is tilted relative to described second facing towards the side far from first flange,
When the current transformer is located at the first state, second face is bonded with the surface of first flange, the electric current
When mutual inductor is converted from the third state to the first state, first face preferentially enters institute relative to second face
It states above the first flange.
Further, the top surface of the boss includes third face and fourth face, and the third face is relative to the fourth face
It tilts down, when the current transformer is converted from the third state to the first state, the third face is relative to institute
Fourth face is stated to preferentially enter below second flange, after the fourth face and second lip fits, first face phase
Second face is preferentially entered above first flange.
Further, it is provided with annular groove on the pedestal, is provided with blind hole in the annular groove, in the blind hole
It is embedded with pressure spring and ball；The stop collar includes screwing portion and limiting section, and the portion and the limiting section of screwing is ring-type,
The limiting section is located at the inner surface for screwing portion, the limiting section be embedded in the annular groove and can around itself
Axis rotation, the inner surface of the limiting section are provided with wave-shaped gap, circumferential direction of the wave-shaped gap along the limiting section
Extend, the wave-shaped gap include it is multiple along the limiting section it is circumferentially distributed be embedded slot, the pressure spring is by the ball pressure
Tightly it is embedded in slot in described；When the stop collar is rotated relative to the pedestal, the ball can be embedded described in different
Movement in slot.
Further, the pedestal includes multi-diameter shaft and cover board, the cover board be sheathed on the multi-diameter shaft and with it is described
Multi-diameter shaft surrounds the annular groove jointly, removably connects between the cover board and the multi-diameter shaft.
Further, the upper casing and the lower casing are respectively provided with there are two seal section, and the seal section is provided at least one
A seal groove, the holding tank are the semi-cylindrical groove of both ends open, and two seal sections are located at the holding tank
Both ends, the seal groove are connected to the holding tank, and the seal groove of the seal groove of the upper casing and the lower casing is corresponding and is formed
The ring-type of cable can be worn, is embedded with silica gel strip in the seal groove.
Further, plastic housing is provided in the holding tank, the mutual inductor ontology includes first be oppositely arranged
Point and second part, the first part and the second part be semi-circular, the first part is located at the upper casing
In holding tank, the second part is located in the holding tank of the lower casing, and the plastic housing is respectively by the first part and institute
Second part package is stated, between the first part and cable to be measured, between the second part and cable to be measured
Separated by the plastic housing.
Further, the both ends of the first part and the both ends of the second part are exposed from the plastic housing respectively.
The beneficial effects obtained by the present invention are as follows being:
A kind of power marketing Current Transformer of the invention includes mutual inductor ontology, shell, pedestal and stop collar, and shell includes
Upper casing and lower casing, the edge of upper casing are provided with the first flange and the second flange, fixture block and boss are provided on stop collar, and electric current is mutual
Sensor has that fixture block is pressed in the first flange and upper casing is pressed in the first state of lower casing, and boss is pressed in the second flange and upper casing
The second state and fixture block opened with lower casing and the disengaging of the first flange, boss and the disengaging of the second flange and upper casing and lower casing energy
The third state enough relatively rotated.
Power marketing Current Transformer provided by the invention makes mutual inductor ontology be in the state of relative closure, thus
Realize the measurement of electric current, anti-interference ability is stronger, and measurement data is more accurate, which can hang and be fixed on cable
On, fixed form is easy, firm, is particularly suitable for the measurement of outdoor cable.
Detailed description of the invention
It, below will be to needed in the embodiment in order to more clearly illustrate the technical solution in the embodiment of the present invention
Attached drawing is simply introduced, it should be apparent that, the accompanying drawings in the following description is only some embodiments recorded in the present invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the structural schematic diagram of power marketing Current Transformer provided by the invention；
Fig. 2 is the structural schematic diagram of the lower casing of Fig. 1；
Fig. 3 is the structural schematic diagram of the upper casing of Fig. 1；
Fig. 4 is the matching relationship schematic diagram of fixture block and the first flange；
Fig. 5 is the matching relationship schematic diagram of boss and the second flange；
Fig. 6 is the schematic diagram of another state of Fig. 5；
Fig. 7 is the pedestal of Fig. 1 and the correspondence diagram of lower casing.
Appended drawing reference correspondence is as follows:
10- current transformer；
11- mutual inductor ontology；12- shell；13- pedestal；14- stop collar；
110- upper casing；111- lower casing；112- holding tank；113- plastic housing；The first flange of 114-；The second flange of 115-；116- card
Block；117- boss；118- seal section；119- silica gel strip；120- pressure spring；121- ball；122- is embedded slot.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.
Fig. 1 is the structural schematic diagram of power marketing Current Transformer provided by the invention；Fig. 2 is the knot of the lower casing of Fig. 1
Structure schematic diagram；Fig. 3 is the structural schematic diagram of the upper casing of Fig. 1；Fig. 4 is the matching relationship schematic diagram of fixture block and the first flange；Fig. 5 is
The matching relationship schematic diagram of boss and the second flange；Fig. 6 is the schematic diagram of another state of Fig. 5；Fig. 7 is the pedestal of Fig. 1
With the correspondence diagram of lower casing.
It please refers to shown in Fig. 1-Fig. 3, the embodiment of the invention provides a kind of power marketing Current Transformer 10, the electric currents
Mutual inductor 10 is open type mutual inductor, and current transformer 10 includes mutual inductor ontology 11, shell 12, pedestal 13 and stop collar 14.
Mutual inductor ontology 11 is set in shell 12.
Referring to figure 2., shown in Fig. 3, shell 12 includes upper casing 110 and lower casing 111, can be turned between upper casing 110 and lower casing 111
The opposite side of dynamic connection, upper casing 110 and lower casing 111 all has holding tank 112, the holding tank 112 and lower casing 111 of upper casing 110
Holding tank 112 cooperate and form cable passage for wearing cable, mutual inductor ontology 11 divides for two parts and is embedded
In in two holding tanks 112, mutual inductor ontology 11 can be sheathed on cable.
Optinal plan as above scheme: being provided with plastic housing 113 in holding tank 112, mutual inductor ontology 11 includes phase
First part and second part to setting, first part and second part are semi-circular, and first part is located at upper casing 110
In holding tank 112, second part is located in the holding tank 112 of lower casing 111, and plastic housing 113 is respectively by first part and second
Subpackage is wrapped up in.
Between first part and cable to be measured, pass through plastic housing 113 between second part and cable to be measured
It separates, also, the both ends of first part and the both ends of second part are exposed from plastic housing 113 respectively.
Upper casing 110 and lower casing 111 are respectively provided with there are two seal section 118, and seal section 118 is provided at least one seal groove,
Holding tank 112 is the semi-cylindrical groove of both ends open, and two seal sections 118 are located at the both ends of holding tank 112, seal groove with
Holding tank 112 is connected to, and the seal groove of upper casing 110 and the seal groove correspondence of lower casing 111 and formation can wear the ring-type of cable, close
Silica gel strip 119 is embedded in sealing groove.
The opposite both ends of upper casing 110 are respectively the first hinged end and the first free end, the opposite both ends point of lower casing 111
Not Wei the second hinged end and the second free end, the first hinged end and the second hinged end are hinged, and upper casing 110 and lower casing 111 are opposite to be turned
When dynamic, the first free end and the second free end can be close to or far from.
The edge of upper casing 110 is provided with the first flange 114 and the second flange 115, and lower casing 111 is fixedly installed on pedestal 13,
Stop collar 14 is cyclic annular and is rotatably sheathed on pedestal 13, and one end of the close upper casing 110 of stop collar 14 is provided with fixture block 116
With boss 117, there is transition region between fixture block 116 and boss 117.
First flange 114 can be set in the first free end, and the second flange 115 can be set in the first hinged end.
Current transformer 10 is pressed in the first flange 114 with fixture block 116 and upper casing 110 is pressed in the first of lower casing 111
State, boss 117 is pressed in the second flange 115 and upper casing 110 and lower casing 111 open the second state and fixture block 116 and the
The third shape that the disengaging of one flange 114, boss 117 and the disengaging of the second flange 115 and upper casing 110 and lower casing 111 are relatively rotatable to each other
State.
Referring to figure 4. shown in-Fig. 6, the top surface of fixture block 116 includes the first face and the second face, and the first face is relative to the second face
It is directed away from the side inclination of the first flange 114, the top surface of boss 117 includes third face and fourth face, and third face is relative to the
Four sides tilts down.
When current transformer 10 is located at first state, the second face is bonded with the surface of the first flange 114.
When current transformer 10 is converted from the third state to first state, successively carry out following movement: third face relative to
Fourth face preferentially enters 115 lower section of the second flange, and after fourth face is bonded with the second flange 115, the first face is excellent relative to the second face
It is introduced into 114 top of the first flange.
It please refers to shown in Fig. 7, stop collar 14 can be with relative to the rotation connection mode of pedestal 13 are as follows:
Pedestal 13 includes multi-diameter shaft and cover board, and cover board is sheathed on multi-diameter shaft and surrounds annular groove, cover board jointly with multi-diameter shaft
It is removably connect between multi-diameter shaft.
It is provided with blind hole in annular groove, pressure spring 120 and ball 121 are embedded in blind hole.
Stop collar 14 includes screwing portion and limiting section, screws portion and limiting section is ring-type, limiting section, which is located at, screws portion
Inner surface.
Wherein, limiting section is embedded in annular groove and can rotate around the axis of itself, the inner surface setting of limiting section
There is wave-shaped gap, for wave-shaped gap along the circumferentially extending of limiting section, wave-shaped gap includes multiple circumferentially distributed along limiting section
Be embedded slot 122, ball 121 is pressed in and is embedded in slot 122 by pressure spring 120.
When stop collar 14 is rotated relative to pedestal 13, ball 121 can be moved in different being embedded in slot 122.
A kind of power marketing Current Transformer 10 of the invention includes mutual inductor ontology 11, shell 12, pedestal 13 and limit
Position ring 14, shell 12 include upper casing 110 and lower casing 111, and the edge of upper casing 110 is provided with the first flange 114 and the second flange
115, fixture block 116 and boss 117 are provided on stop collar 14, there is current transformer 10 fixture block 116 to be pressed in the first flange 114
And upper casing 110 is pressed in the first state of lower casing 111, boss 117 is pressed in the second flange 115 and upper casing 110 and lower casing 111 are opened
The second state and fixture block 116 opened and the first flange 114 be detached from, boss 117 and the second flange 115 are detached from and upper casing 110 and
The third state that lower casing 111 is relatively rotatable to each other.
Power marketing Current Transformer 10 provided by the invention makes mutual inductor ontology 11 be in the state of relative closure,
To realize the measurement of electric current, anti-interference ability is stronger, and measurement data is more accurate, which can hang fixation
On cable, fixed form is easy, firm, is particularly suitable for the measurement of outdoor cable.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to design of the invention
It is defined with range, without departing from the design concept of the invention, ordinary engineering and technical personnel is to this hair in this field
The all variations and modifications that bright technical solution is made should all fall into protection scope of the present invention, claimed skill of the invention
Art content is all documented in technical requirements book.
Claims (8)
1. a kind of power marketing Current Transformer, the current transformer is open type mutual inductor, the current transformer packet
Mutual inductor ontology (11) and shell (12) are included, the mutual inductor ontology (11) is set in the shell (12), it is characterised in that:
The current transformer further includes pedestal (13) and stop collar (14), and the shell (12) includes upper casing (110) and lower casing
(111), it is rotatably connect between the upper casing (110) and the lower casing (111), the upper casing (110) and the lower casing
(111) opposite side all has holding tank (112), the holding tank (112) of the upper casing (110) and the appearance of the lower casing (111)
Receive slot (112) cooperate and form cable passage for wearing cable, the mutual inductor ontology (11) be divided into two parts and
It is embedded in two holding tanks (112), the mutual inductor ontology (11) can be sheathed on the cable；The upper casing
(110) edge is provided with the first flange (114) and the second flange (115), and the lower casing (111) is fixedly installed on the pedestal
(13), the stop collar (14) is cyclic annular and is rotatably sheathed on the pedestal (13), the close institute of the stop collar (14)
The one end for stating upper casing (110) is provided with fixture block (116) and boss (117), between the fixture block (116) and the boss (117)
With transition region；The current transformer has the fixture block (116) to be pressed in first flange (114) and the upper casing
(110) it is pressed in the first state of the lower casing (111), the boss (117) is pressed in second flange (115) and described
The second state and the fixture block (116) and first flange (114) that upper casing (110) and the lower casing (111) open are de-
From, the boss (117) is detached from second flange (115) and the upper casing (110) can be opposite with the lower casing (111)
The third state of rotation.
2. power marketing Current Transformer according to claim 1, it is characterised in that: the upper casing (110) it is opposite
Both ends be respectively the first hinged end and the first free end, the opposite both ends of the lower casing (111) are respectively the second hinged end
With the second free end, first hinged end and second hinged end are hinged, the upper casing (110) and the lower casing (111)
When relative rotation, first free end and second free end can be close to or far from the first flange (114) settings
In first free end, second flange (115) is set to first hinged end；It wraps the top surface of the fixture block (116)
The first face and the second face are included, first face is relative to described second facing towards the inclination far from first flange (114)
Tiltedly, when the current transformer is located at the first state, second face is bonded with the surface of first flange (114),
When the current transformer is converted from the third state to the first state, first face is excellent relative to second face
It is introduced into above first flange (114).
3. power marketing Current Transformer according to claim 2, it is characterised in that: the top surface of the boss (117)
Including third face and fourth face, the third face is tilted down relative to the fourth face, and the current transformer is from described
When three condition is converted to the first state, the third face preferentially enters second flange relative to the fourth face
(115) lower section, after the fourth face is bonded with second flange (115), first face is preferential relative to second face
Into above first flange (114).
4. power marketing Current Transformer according to claim 1, it is characterised in that: be provided on the pedestal (13)
Annular groove is provided with blind hole in the annular groove, pressure spring (120) and ball (121) is embedded in the blind hole；The limit
Position ring (14) includes screwing portion and limiting section, and the portion and the limiting section of screwing is ring-type, and the limiting section is located at described
The inner surface in portion is screwed, the limiting section is embedded in the annular groove and can rotate around the axis of itself, the limit
The inner surface in portion is provided with wave-shaped gap, and along the circumferentially extending of the limiting section, the waveform lacks the wave-shaped gap
Mouthful include it is multiple be embedded slot (122) along the limiting section is circumferentially distributed, the pressure spring (120) compresses the ball (121)
It is embedded in slot (122) in described；When the stop collar (14) is rotated relative to the pedestal (13), the ball (121) can
Movement in slot (122) is embedded described in different.
5. power marketing Current Transformer according to claim 4, it is characterised in that: the pedestal (13) includes ladder
Axis and cover board, the cover board are sheathed on the multi-diameter shaft and surround the annular groove, the lid jointly with the multi-diameter shaft
It is removably connected between plate and the multi-diameter shaft.
6. power marketing Current Transformer according to claim 1, it is characterised in that: the upper casing (110) and described
Lower casing (111) is respectively provided with there are two seal section (118), and the seal section (118) is provided at least one seal groove, the receiving
Slot (112) is the semi-cylindrical groove of both ends open, and two seal sections (118) are located at the two of the holding tank (112)
End, the seal groove are connected to the holding tank (112), the sealing of the seal groove and the lower casing (111) of the upper casing (110)
Slot is corresponding and forms the ring-type that can wear cable, is embedded with silica gel strip (119) in the seal groove.
7. power marketing Current Transformer according to claim 1, it is characterised in that: set in the holding tank (112)
It being equipped with plastic housing (113), the mutual inductor ontology (11) includes the first part being oppositely arranged and second part, and described first
Dividing with the second part is semi-circular, and the first part is located in the holding tank (112) of the upper casing (110), described
Second part is located in the holding tank (112) of the lower casing (111), the plastic housing (113) respectively by the first part and
Second part package, between the first part and cable to be measured, the second part and cable to be measured it
Between separated by the plastic housing (113).
8. power marketing Current Transformer according to claim 7, it is characterised in that: the both ends of the first part and
Expose respectively from the plastic housing (113) at the both ends of the second part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811194216.0A CN109448955B (en) | 2018-10-15 | 2018-10-15 | Current transformer for electric power marketing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811194216.0A CN109448955B (en) | 2018-10-15 | 2018-10-15 | Current transformer for electric power marketing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109448955A true CN109448955A (en) | 2019-03-08 |
| CN109448955B CN109448955B (en) | 2021-01-15 |
Family
ID=65546606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811194216.0A Expired - Fee Related CN109448955B (en) | 2018-10-15 | 2018-10-15 | Current transformer for electric power marketing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109448955B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113661346A (en) * | 2019-04-05 | 2021-11-16 | 弗兰德有限公司 | Actuator housing, sensor mounting kit and actuator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10131739A1 (en) * | 2001-07-03 | 2003-01-16 | Mbs Sulzbach Messwandler Gmbh | Current converter for mounting around current conductors has two components joined so as to be pivoted so converter can be placed round conductor and can be locked in closed position |
| CN203910515U (en) * | 2014-06-28 | 2014-10-29 | 温州之凯电气科技有限公司 | Ring-opening type zero sequence current mutual inductor |
| CN204029597U (en) * | 2014-08-06 | 2014-12-17 | 杭州乾龙电器有限公司 | Open-close type zero sequence current mutual inductor |
| CN104377011A (en) * | 2014-11-20 | 2015-02-25 | 国家电网公司 | Half-open type electronic current transformer |
| CN205609342U (en) * | 2016-05-16 | 2016-09-28 | 国家电网公司 | Buckle formula current transformer |
-
2018
- 2018-10-15 CN CN201811194216.0A patent/CN109448955B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10131739A1 (en) * | 2001-07-03 | 2003-01-16 | Mbs Sulzbach Messwandler Gmbh | Current converter for mounting around current conductors has two components joined so as to be pivoted so converter can be placed round conductor and can be locked in closed position |
| CN203910515U (en) * | 2014-06-28 | 2014-10-29 | 温州之凯电气科技有限公司 | Ring-opening type zero sequence current mutual inductor |
| CN204029597U (en) * | 2014-08-06 | 2014-12-17 | 杭州乾龙电器有限公司 | Open-close type zero sequence current mutual inductor |
| CN104377011A (en) * | 2014-11-20 | 2015-02-25 | 国家电网公司 | Half-open type electronic current transformer |
| CN205609342U (en) * | 2016-05-16 | 2016-09-28 | 国家电网公司 | Buckle formula current transformer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113661346A (en) * | 2019-04-05 | 2021-11-16 | 弗兰德有限公司 | Actuator housing, sensor mounting kit and actuator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109448955B (en) | 2021-01-15 |
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