CN113203882A - Electric energy metering device non-power-off inspection simulation system and electric energy metering device thereof - Google Patents
Electric energy metering device non-power-off inspection simulation system and electric energy metering device thereof Download PDFInfo
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- CN113203882A CN113203882A CN202110318559.9A CN202110318559A CN113203882A CN 113203882 A CN113203882 A CN 113203882A CN 202110318559 A CN202110318559 A CN 202110318559A CN 113203882 A CN113203882 A CN 113203882A
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- 238000004088 simulation Methods 0.000 title claims abstract description 19
- 238000007689 inspection Methods 0.000 title claims abstract description 13
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 abstract description 10
- 238000012360 testing method Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- 238000007789 sealing Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/12—Arrangements of bearings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/25—Arrangements for indicating or signalling faults
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
- G01R22/063—Details of electronic electricity meters related to remote communication
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
- G01R22/068—Arrangements for indicating or signaling faults
Abstract
The invention relates to a non-power-outage inspection simulation system of an electric energy metering device and the electric energy metering device thereof. The electric energy metering device includes: the cabinet body, first supporting part, second supporting part, voussoir, screw rod, ejector pad and truckle. The screw rod can be rotated, so that the screw rod moves along the second direction relative to the first supporting part, and the screw rod drives the second inclined plane of the push block to slide along the first inclined plane of the wedge block. Because the ejector pad slides along first inclined plane, then drive the screw rod along the direction motion of slope in first direction to can drive first supporting part and do the motion of being close to or keeping away from ground along first direction. When the cabinet body needs to be moved, the first supporting part can move to be separated from the ground along the first direction through the first supporting part, so that the cabinet body is conveniently driven to move through the trundles. When electric energy metering device need not remove for a long time, the accessible makes first supporting part remove to contact ground along first direction to can be by the first supporting part of ground support, and then can provide good support intensity for the cabinet body.
Description
Technical Field
The invention relates to the technical field of electric energy metering devices, in particular to a non-power-off inspection simulation system of an electric energy metering device and the electric energy metering device thereof.
Background
With the rapid development of national economy, power customers are gradually increased, the demand of electric energy is also increased day by day, and whether the metering is accurate directly influences the economic benefit of a power unit and also concerns the experience and trust of power customers.
Generally, the electric energy metering device is mostly in a cabinet body form. With the continuous progress of the technology, the uninterrupted inspection of the electric energy metering device is also gradually realized. The uninterrupted power supply has high checking efficiency and good safety and is gradually widely used. The electric energy metering device in the running state is checked without power outage, so that relevant parameters such as current, voltage, phase and the like are mastered, and then whether the wiring is correct or not is judged according to the data.
When the uninterruptible inspection operation is performed on the electric energy metering device, the electric energy metering device sometimes needs to be moved. However, the cabinet of the conventional electric energy metering device is inconvenient to move, thereby causing inconvenient operations when performing the check without power outage.
Disclosure of Invention
Therefore, it is necessary to provide a conveniently-moved electric energy metering device and a non-power-off inspection simulation system for the electric energy metering device, aiming at the problem that the cabinet body of the conventional electric energy metering device is inconvenient to move.
The embodiment of the application provides an electric energy metering device, includes:
a cabinet body;
the first supporting part is fixedly connected with the cabinet body and is provided with an accommodating space;
the second supporting part is positioned in the accommodating space, is connected with the first supporting part and can slide along a first direction relative to the second supporting part;
the wedge block is arranged on the second supporting part and provided with a first inclined surface, and the first inclined surface is inclined to the first direction;
the screw rod is in threaded connection with the first supporting part, one end of the screw rod is positioned in the accommodating space, and the other end of the screw rod extends out of the accommodating space; the screw rod can move along a second direction relative to the first supporting part when rotating, wherein the second direction is perpendicular to the first direction;
the pushing block is rotatably connected with one end of the screw rod, which is positioned in the accommodating space, and is provided with a second inclined surface matched with the first inclined surface; when the screw rod rotates relative to the first supporting part, the first inclined surface of the push block can be driven to slide along the second inclined surface, so that the first supporting part is driven to slide along a first direction relative to the second supporting part; and
and the caster is arranged on the second supporting part and is positioned on one side of the second supporting part back to the cabinet body.
According to the electric energy metering device, the screw rod can be rotated to enable the screw rod to move along the second direction relative to the first supporting portion, and the screw rod drives the second inclined surface of the push block to slide along the first inclined surface of the wedge block. Because the ejector pad slides along first inclined plane, then drive the screw rod along the direction motion of slope in first direction to can drive first supporting part and do the motion of being close to or keeping away from ground along first direction. When the cabinet body of the electric energy metering device needs to be moved, the first supporting part can be moved to be separated from the ground along the first direction through the first supporting part, so that the cabinet body is conveniently driven to move through the trundles. When electric energy metering device need not remove for a long time, the accessible makes first supporting part remove to contact ground along first direction to can be by the first supporting part of ground support, and then first supporting part can provide good support intensity for the cabinet body.
In an embodiment, the electric energy metering device further comprises a first limiting part arranged on the wedge block; when the screw drives the push block to move to a first preset position, the first limiting part is used for blocking the push block to continue moving along the second direction; when the push block moves to the first preset position, the position of the first supporting part is higher than that of the caster.
In an embodiment, the electric energy metering device further includes a second limiting portion, which is disposed on the first supporting portion and is located on a side of the second supporting portion opposite to the cabinet body; when the screw drives the first supporting part to move to a second preset position, the second limiting part is used for limiting the first supporting part to continue moving along the first direction.
In one embodiment, an annular groove is formed on the outer surface of the screw rod along the circumferential direction of the screw rod;
the electric energy metering device further includes:
one end of the connecting sleeve is sleeved on the screw rod and is rotationally connected with the screw rod, and the other end of the connecting sleeve is fixedly connected with the push block; and
and the limiting screw is in threaded connection with the connecting sleeve, and one end of the limiting screw is positioned in the annular groove and matched with the annular groove.
In one embodiment, the electric energy metering device further includes:
one end of the connecting part is fixedly connected with the cabinet body; and
the guide sleeve is fixedly connected with the other end of the connecting part, the guide sleeve is sleeved on the screw rod and is rotationally connected with the screw rod, and the axial direction of the guide sleeve is along the second direction.
In one embodiment, the electric energy metering device further includes:
a bearing mounted on the second support part;
the connecting shaft is rotatably connected with the second supporting part through the bearing; and
the caster is mounted on the wheel frame, wherein the axis direction of the caster is perpendicular to the axis direction of the connecting shaft.
In one embodiment, the side wall of the cabinet body is provided with a through hole;
the electric energy metering device also comprises a side plate, and one end of the side plate is hinged with the cabinet body; when the side plate rotates relative to the cabinet body, the other end of the side plate can move close to or away from the cabinet body, so that the through hole is opened or closed.
In one embodiment, the electric energy metering device further comprises a rubber pad adhered to the inner surface of the side plate; when the side plate seals the through hole, the rubber pad is clamped between the cabinet body and the side plate.
In one embodiment, the electric energy metering device further includes:
one end of the elastic sheet is connected with the cabinet body, and the other end of the elastic sheet is a movable end; and
the clamping block is fixedly connected with the other end of the elastic sheet; when the side plate closes the through hole, the fixture block can prevent the other end of the side plate from rotating towards the direction of opening the through hole; the clamping block can be driven to move by overcoming the elastic force of the elastic sheet, so that the other end of the side plate is released.
Another embodiment of the present application further provides a system for checking and simulating an electric energy metering device without power outage, which includes any one of the electric energy metering device, a master control module, a power supply module, a simulation driving module, a fault self-checking module, a display module, a network module, a cloud storage module, and an intelligent terminal; the master control module is connected with the power supply module and is used for carrying out overall regulation and control on the non-power-off inspection simulation system of the electric energy metering device; the power supply module is used for supplying power to the non-power-off inspection simulation system of the electric energy metering device; the simulation driving module is respectively connected with the master control module and the fault self-checking module, and is used for controlling the fault self-checking module to start according to the command of the master control module; the fault self-checking module is used for self-checking the fault of the electric energy metering device; the display module is used for displaying fault information sent by the fault self-checking module; the master control module is connected with the network module, and the network module is used for providing network support; the network module is respectively connected with the fault self-checking module and the cloud storage module, and the fault self-checking module can send fault information to the cloud storage module through the network module; the master control module is connected with the cloud storage module; the master control module is used for controlling the fault self-checking module according to the fault information received by the cloud storage module, so that the fault self-checking module can carry out self-checking on the fault of the electric energy metering device.
Drawings
FIG. 1 is a schematic structural diagram of an electric energy metering device according to an embodiment;
FIG. 2 is an enlarged view of area A of FIG. 1;
FIG. 3 is an enlarged view of area B of FIG. 1;
FIG. 4 is another cross-sectional view of the electric energy metering device of FIG. 1;
FIG. 5 is an enlarged view of area C of FIG. 4;
FIG. 6 is a block diagram of a non-stop power check simulation system of the electric energy metering device according to an embodiment;
FIG. 7 is a block diagram of the self fault check module of FIG. 6.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Referring to fig. 1 to fig. 3, an embodiment of the present application provides an electric energy metering device 100. The electric energy metering device 100 includes a cabinet 110, a first support 120, a second support 130, a wedge 140, a screw 150, a push block 160, and a caster 170.
The first supporting portion 120 is fixedly connected to the cabinet 110. The first supporting portion 120 has an accommodating space 101.
Specifically, in the present embodiment, the first support part 120 includes a first support plate 121 and a second support plate 122 that are disposed opposite to each other. The upper ends of the first support plate 121 and the second support plate 122 are fixedly connected to the cabinet 110, respectively. The first and second support plates 121 and 122 are located below the cabinet 110 to support the cabinet 110. The receiving space 101 is a space between the first support plate 121 and the second support plate 122.
The second supporting portion 130 is located in the accommodating space 101. The second support part 130 is connected to the first support part 120, and the first support part 120 is slidable in a first direction with respect to the second support part 130.
Specifically, in the present embodiment, the second support part 130 is plate-shaped. The extending direction of the second support 130 is a horizontal direction. The extending direction of the second support part 130 is perpendicular to the extending direction of the first support plate 121 and the extending direction of the second support plate 122. One end of the second support part 130 is connected to the first support plate 121 and the other end is connected to the second support plate 122. A sliding groove (not shown) may be formed in the first support plate 121, and one end of the second support part 130 is engaged with the sliding groove, so that the second support part 130 can be slidably coupled with the first support plate 121. The connection manner of the second support part 130 and the second support plate 122 is the same as the connection manner of the second support part 130 and the first support plate 121, and therefore, the description thereof is omitted. In this embodiment, the first direction is a vertical direction. The first support plate 121 and the second support plate 122 can slide up and down in the vertical direction relative to the second support portion 130, so that the first support plate 121 and the second support plate 122 can drive the cabinet 110 to move up and down in the vertical direction.
The wedge 140 is disposed at the second support portion 130. The wedge 140 has a first inclined surface 141. The first slope 141 is inclined to the first direction.
Specifically, the wedge 140 is located above the second supporting portion 130 and between the cabinet 110 and the second supporting portion 130. In the present embodiment, the first slope 141 is inclined to the vertical direction and faces the second support plate 122. As can be seen from fig. 1 and 2, an included angle between the first inclined surface 141 and the upper surface of the second supporting portion 130 is an obtuse angle.
The screw 150 is in threaded connection with the first supporting portion 120, and one end of the screw 150 is located in the accommodating space 101 and the other end is located outside the accommodating space 101. The screw 150 is movable in a second direction perpendicular to the first direction with respect to the first support part 120 when rotated with respect to the first support part 120.
Specifically, in the present embodiment, the second support plate 122 is provided with a screw hole (not shown). The screw 150 is fitted into the threaded hole. One end of the screw 150 extends into the accommodating space 101 and is located on one side of the second support plate 122 close to the first support plate 121. The other end of the screw 150 extends out of the accommodating space 101, facilitating manual rotation of the screw 150. As shown in fig. 1, a knob 155 is provided at an end of the screw 150 extending out of the accommodating space 101, and the screw 150 is conveniently rotated by the knob 155.
In this embodiment, the second direction is a horizontal direction. It can be understood that the screw 150 can move left and right in the horizontal direction relative to the second support plate 122 when rotating along the threaded hole. Specifically, when the screw 150 moves in the horizontal direction with respect to the second support plate 122, the screw 150 moves in a direction approaching or departing from the first support plate 121.
The pushing block 160 is rotatably connected to an end of the screw 150 located in the accommodating space 101. The push block 160 has a second inclined surface 161 for cooperating with the first inclined surface 141. When the screw 150 rotates relative to the first supporting portion 120, the first inclined surface 141 of the pushing block 160 can be driven to slide along the second inclined surface 161, so as to drive the first supporting portion 120 to slide along the first direction relative to the second supporting portion 130.
Specifically, referring to fig. 1 and 2, one end of the screw 150 extending into the accommodating space 101 is rotatably connected to the push block 160. The second inclined surface 161 of the push block 160 is opposite to and parallel to the first inclined surface 141.
When the screw 150 is rotated, so that the screw 150 moves leftward in the horizontal direction relative to the second support plate 122, the screw 150 drives the push block 160 to move leftward, and thus the second inclined surface 161 of the push block 160 slides obliquely upward along the first inclined surface 141 of the wedge 140. Since the push block 160 is rotatably connected to the screw 150, the screw 150 rotates while pushing the push block 160 leftward, and the push block 160 can translate along the first slope 141 without rotating.
The caster 170 is mounted on the second supporting portion 130 and is located at a side of the second supporting portion 130 facing away from the cabinet 110. Specifically, as shown in fig. 1, the caster 170 is located below the second supporting portion 130 and is used for driving the second supporting portion 130 to move, so as to drive the cabinet 110 to move.
As shown in fig. 1, when the electric energy metering device 100 is in an operating state or an idle state, if the cabinet 110 does not need to be moved for a long time, the first supporting portion 120 may be supported on the ground, so that the first supporting portion 120 may provide a good support for the cabinet 110. At this time, the caster 170 is also supported on the ground, and can provide a certain support for the cabinet 110.
When the electric energy metering device 100 is inspected without stopping the power supply, the cabinet 110 needs to be moved from time to time. By rotating the screw 150, the screw 150 moves to the left in the horizontal direction relative to the second support plate 122, and the screw 150 drives the push block 160 to move to the left, so that the second inclined surface 161 of the push block 160 slides obliquely upward (upward to the left) along the first inclined surface 141 of the wedge 140. Since the push block 160 moves obliquely upward, the screw 150 moves obliquely upward, so as to drive the second support plate 122 and the first support plate 121 to move upward along the vertical direction, and further drive the cabinet 110 to move upward along the vertical direction. Because second backup pad 122 and first backup pad 121 rebound thereby can break away from ground, at this moment, the accessible promotes cabinet body 110, and then truckle 170 can drive cabinet body 110 and remove, conveniently carries out the inspection of not cutting off the power supply to electric energy metering device 100.
As described above, when the cabinet 110 needs to be moved, the second support plate 122 and the first support plate 121 need to be moved upward to be separated from the ground. When the second support plate 122 and the first support plate 121 are separated from the ground, the cabinet 110 can be indirectly supported only by supporting the second support 130 via the caster 170. However, the electric energy metering device 100 does not need to move for a long time in the idle state, and the cabinet 110 is indirectly supported by the casters 170 for a long time due to the large weight of the cabinet 110, so that the supporting strength is insufficient. Therefore, by rotating the screw 150, the screw 150 is moved rightward in the horizontal direction relative to the second support plate 122, and the screw 150 drives the push block 160 to move rightward, so that the second inclined surface 161 of the push block 160 can slide obliquely downward (downward to the right) along the first inclined surface 141 of the wedge 140. Since the pushing block 160 moves obliquely downward, the screw 150 moves obliquely downward, so as to drive the second supporting plate 122 and the first supporting plate 121 to move downward along the vertical direction, and further drive the cabinet 110 to move downward along the vertical direction. When the second support plate 122 and the first support plate 121 move downward to the ground along the vertical direction, the second support plate 122 and the first support plate 121 may be supported by the ground, so that the cabinet 110 is supported by the second support plate 122 and the first support plate 121, and then the second support plate 122 and the first support plate 121 may provide good support strength for the cabinet 110 when the electric energy metering device 100 does not need to move for a long time.
In the process that the cabinet 110 is driven by the caster 170, the second support plate 122 and the first support plate 121 can be moved downward to contact the ground along the vertical direction through the above process, so that the caster 170 can be braked by the friction force between the second support plate 122 and the ground and the cabinet 110 can be stopped.
In the above-mentioned electric energy metering device 100, the screw 150 is rotated, so that the screw 150 moves in the second direction relative to the first supporting portion 120, and the screw 150 drives the second inclined surface 161 of the pushing block 160 to slide along the first inclined surface 141 of the wedge 140. Since the pushing block 160 slides along the first inclined plane 141, the screw 150 is driven to move along a direction inclined to the first direction, so as to drive the first supporting portion 120 to move close to or away from the ground along the first direction. When the cabinet 110 of the electric energy metering device 100 needs to be moved, the first supporting portion 120 can be moved to be separated from the ground along the first direction, so that the cabinet 110 is conveniently driven to move by the caster 170. When the electric energy metering device 100 does not need to be moved for a long time, the first supporting portion 120 may be moved to contact the ground along the first direction, so that the first supporting portion 120 may be supported by the ground, and the first supporting portion 120 may provide good supporting strength for the cabinet 110.
Referring to fig. 1, in an embodiment, the electric energy metering device 100 further includes a first limiting portion 142 disposed on the wedge 140. When the screw 150 drives the pushing block 160 to move to the first predetermined position, the first limiting portion 142 is used for blocking the pushing block 160 from moving continuously along the second direction. When the pushing block 160 moves to the first predetermined position, the position of the first supporting portion 120 is higher than the position of the caster 170.
Specifically, in the present embodiment, the first limiting portion 142 is a stopper. The first position-limiting portion 142 is located at an end of the first inclined surface 141 away from the second supporting plate 122. Referring to fig. 1 and 2, when the screw 150 rotates relative to the second support plate 122 and moves leftward along the horizontal direction, the screw can drive the pushing block 160 to move leftward and upward along the first inclined surface 141.
When the pushing block 160 moves to the first predetermined position to the upper left, the position of the first supporting portion 120 is higher than that of the caster 170, thereby indicating that the first supporting portion 120 has been separated from the ground. At this time, the first position-limiting portion 142 can block the pushing block 160 from moving leftward, so as to block the screw 150 from moving leftward, and at this time, the movement of the screw 150 can be stopped.
It can be seen that when the pushing block 160 moves to the first predetermined position, the first supporting portion 120 is separated from the ground. Therefore, when the pushing block 160 moves to the first predetermined position, the first limiting portion 142 blocks the pushing block 160 from moving continuously along the second direction, so that the timing of stopping the movement of the screw 150 is determined conveniently.
Referring to fig. 1, in an embodiment, the electric energy metering device 100 further includes a second position-limiting portion 123 disposed on the first supporting portion 120. The second position-limiting part 123 is located at a side of the second supporting part 130 facing away from the cabinet body 110. When the screw 150 drives the first supporting portion 120 to move to the second predetermined position, the second position-limiting portion 123 is used for limiting the first supporting portion 120 to continue moving along the first direction.
Specifically, as shown in fig. 1, in the present embodiment, the second position-limiting portion 123 is a pin. The number of the second position-limiting portions 123 is two, and the second position-limiting portions are respectively fixedly connected with the first support plate 121 and the second support plate 122. The second position-limiting portion 123 is located below the second supporting portion 130. When the first supporting plate 121 and the second supporting plate 122 move upward relative to the second supporting portion 130, the second limiting portion 123 is driven to move upward. Until the second position-limiting portion 123 moves upward to the second supporting portion 130, the second position-limiting portion 123 is blocked by the second supporting portion 130, so that the second position-limiting portion 123 cannot move upward. Since the second position-limiting portion 123 cannot move upwards continuously, the first support plate 121 and the second support plate 122 cannot move upwards continuously, so that the distance that the first support plate 121 and the second support plate 122 move upwards can be prevented from being too large, and the first support plate 121 and the second support plate 122 can be prevented from being separated from the second support portion 130, so that the first support plate 121 and the second support plate 122 are connected with the second support portion 130 respectively.
Referring to fig. 2, in an embodiment, an annular groove 102 is formed on an outer surface of the screw 150 along a circumferential direction of the screw 150. The electric energy metering device 100 further includes: a connecting sleeve 151 and a limit screw 152. One end of the connecting sleeve 151 is sleeved on the screw 150 and rotatably connected with the screw 150, and the other end is fixedly connected with the pushing block 160. The limit screw 152 is in threaded connection with the connecting sleeve 151, and one end of the limit screw 152 is located in the annular groove 102 and is matched with the annular groove 102.
Specifically, as shown in fig. 2, one end of the connecting sleeve 151 is sleeved on the screw 150, and the other end is fixedly connected to the pushing block 160. The side wall of the connection sleeve 151 is provided with a screw hole (not shown). A stop screw 152 passes through and engages the threaded hole. One end of the limit screw 152 is located within the annular groove 102 and fits into the annular groove 102. The limit screw 152 is engaged with the annular groove 102, so that the relative position of the connecting sleeve 151 and the screw 150 in the axial direction can be defined, and the push block 160 and the screw 150 can be kept connected, and at the same time, the screw 150 can rotate relative to the connecting sleeve 151. It will be appreciated that when the screw 150 is rotated relative to the connecting sleeve 151, the limit screw 152 is not rotated, and the screw 150 is rotated, so that the limit screw 152 moves along the annular groove 102 relative to the screw 150.
When the screw 150 rotates relative to the second support plate 122 and moves in the horizontal direction, the connecting sleeve 151 and the pushing block 160 and the limit screw 152 do not rotate, and when the screw 150 moves in the horizontal direction, the connecting sleeve 151 and the pushing block 160 can be pushed to move, so that the pushing block 160 can slide along the first inclined surface 141.
Referring to fig. 2, in an embodiment, the electric energy metering device 100 further includes: a connecting portion 153 and a guide sleeve 154. One end of the connecting portion 153 is fixedly connected to the cabinet 110. The guide sleeve 154 is fixedly connected to the other end of the connecting portion 153, the guide sleeve 154 is sleeved on the screw rod 150 and rotatably connected to the screw rod 150, and the axial direction of the guide sleeve 154 is along the second direction.
Specifically, as shown in fig. 2, the axial direction of the guide sleeve 154 is in the horizontal direction. The connecting portion 153 may be a bracket, a link, or the like. The connecting portion 153 has one end fixedly connected to the cabinet 110 and the other end fixedly connected to the guiding sleeve 154, so that the guiding sleeve 154 is fixedly connected to the cabinet 110. Therefore, during the vertical movement of the first support part 120, the guide sleeve 154 can only move vertically with the cabinet 110 in the first direction, so that the axial direction of the guide sleeve 154 can be maintained in the horizontal direction.
And because the guide sleeve 154 is sleeved on the screw 150 and is matched with the screw 150, the screw 150 can always move along the axial direction (horizontal direction) of the guide sleeve 154 when rotating, so that the screw 150 can be ensured to keep a horizontal state, and the accurate movement direction and the stable movement process of the screw 150 can be ensured.
Referring to fig. 3, in an embodiment, the electric energy metering device 100 further includes: bearing 171, connecting shaft 172 and carrier 173. The bearing 171 is mounted on the second support portion 130. The connecting shaft 172 is rotatably connected to the second support 130 through a bearing 171. The wheel frame 173 is mounted on the connecting shaft 172, and the caster 170 is mounted on the wheel frame 173, wherein the axial direction of the caster 170 is perpendicular to the axial direction of the connecting shaft 172.
Specifically, as shown in fig. 3, the bearing 171, the connecting shaft 172, and the wheel carrier 173 are all located below the second support 130. Since the connecting shaft 172 is mounted to the second support 130 through the bearing 171, the connecting shaft 172 can rotate relative to the second support 130 through the bearing 171, and the direction in which the connecting shaft 172 rotates is the axial direction around the connecting shaft 172. Since the caster 170 is attached to the connecting shaft 172 via the wheel frame 173, the caster 170 can rotate about the axis direction of the connecting shaft 172 with the connecting shaft 172.
The axial direction of the caster 170 is perpendicular to the axial direction of the connecting shaft 172. In the present embodiment, the axial direction of the caster 170 is in the horizontal direction, and the axial direction of the connecting shaft 172 is in the vertical direction. Because the caster 170 can rotate around the axis direction of the connecting shaft 172 along with the connecting shaft 172, and simultaneously, the caster 170 can rotate around the axis direction of the caster 170, the rotational degree of freedom of the caster 170 can be increased, the flexibility of the movement direction of the caster 170 is improved, and the cabinet body 110 can be moved conveniently through the caster 170.
Referring to fig. 4, in an embodiment, the sidewall of the cabinet 110 is provided with a through hole 103. The electric energy metering device 100 further includes a side plate 111. One end of the side plate 111 is hinged to the cabinet 110, and the side plate 111 can open or close the through hole 103 when rotating relative to the cabinet 110.
Specifically, the through hole 103 communicates with the inner cavity of the cabinet 110. As shown in fig. 4, the upper end of the side plate 111 is hinged to the cabinet 110, and the lower end is a movable end. By rotating the lower end of the side plate 111 in the counterclockwise direction, the lower end of the side plate 111 moves in a direction away from the cabinet body 110, so that the through hole 103 can be opened, and a worker can repair an electrical component located near the side plate 111 inside the cabinet body 110 through the through hole 103.
By rotating the lower end of the side plate 111 clockwise, the lower end of the side plate 111 moves towards the direction close to the cabinet body 110, so that the through hole 103 can be closed, the cabinet body 110 is sealed, and the protection of the electrical components inside the cabinet body 110 is facilitated.
Referring to fig. 4, in an embodiment, the electric energy metering device 100 further includes a rubber pad 112 adhered to an inner surface of the side plate 111. When the side plate 111 closes the through hole 103, the rubber pad 112 is sandwiched between the cabinet 110 and the side plate 111.
Specifically, as shown in fig. 4, the through hole 103 is a stepped hole. The through hole 103 includes a smaller first hole 1031 and a larger second hole 1032. The inner diameter of the second hole 1032 is larger than that of the first hole 1031, so that a step surface 103a is formed at the junction of the inner wall of the second hole 1032 and the inner wall of the first hole 1031.
When the side plate 111 closes the through hole 103, the side plate 111 is positioned in the second hole 1032, and the rubber pad 112 abuts on the step surface 103 a. When the side plate 111 closes the through hole 103, the rubber gasket 112 is interposed between the cabinet body 110 and the side plate 111, so that the rubber gasket 112 can fill the gap between the side plate 111 and the cabinet body 110, and the sealing property of the cabinet body 110 is improved.
Referring to fig. 5, in an embodiment, the electric energy metering device 100 further includes: spring 113 and latch 114. One end of the elastic sheet 113 is connected with the cabinet body 110, and the other end is a movable end. The latch 114 is fixedly connected with the other end of the spring 113. When the side plate 111 closes the through hole 103, the latch 114 can block the other end of the side plate 111 from rotating towards the direction of opening the through hole 103. The latch 114 can be moved by overcoming the elastic force of the elastic piece 113, so as to release the other end of the side plate 111.
Specifically, as shown in fig. 5, the elastic piece 113 is located below the side plate 111. One end of the spring plate 113 is connected with the step surface 103a, and the other end is connected with a latch 114. When the side plate 111 closes the through hole 103, the side plate 111 is in a vertical state, the elastic piece 113 is in a natural state and keeps horizontal, and at this time, the lower end of the side plate 111 abuts against the latch block 114. As shown in fig. 5, in the present embodiment, the surface of the latch 114 is a cambered surface, and the abutting force of the latch 114 on the side plate 111 faces upward and leftward, so that the lower end of the side plate 111 can be subjected to a leftward acting force, and the side plate 111 can be prevented from rotating counterclockwise, so that the side plate 111 is reliably in the closed state.
When the side plate 111 needs to be opened, the spring sheet 113 can be pressed down to connect with one end of the clamping block 114, so that the clamping block 114 can release the side plate 111, and the side plate 111 can be smoothly opened.
Referring to fig. 6, another embodiment of the present disclosure further provides a non-stop checking simulation system 10 for an electric energy metering device. The non-power-outage detection simulation system 10 for the electric energy metering device comprises the electric energy metering device 100, a master control module 11, a power supply module 12, a simulation driving module 13, a fault self-checking module 14, a display module 15, a network module 16, a cloud storage module 17 and an intelligent terminal 18 in any one of the above embodiments.
The master control module 11 is connected with the power supply module 12. The master control module 11 is used for overall regulation and control of the uninterruptible power check simulation system 10 of the electric energy metering device. The power module 12 is used for supplying power to the uninterruptible power check simulation system 10 of the electric energy metering device. The master control module 11 is, for example, a microprocessor, a single chip microcomputer, or the like. The power module 12 is, for example, a battery or the like.
The master control module 11 is connected with the analog driving module 13. The analog driving module 13 is connected with the fault self-checking module 14. The analog driving module 13 is used for receiving the command of the master control module 11 and starting the fault self-checking module 14 according to the command. The specific structure of the analog driving module 13 is the prior art, and is not described herein again.
The fault self-checking module 14 is used for self-checking faults of the electric energy metering device 100 and timely checking errors. The fault self-checking module 14 is connected with the display module 15. The display module 15 is used for displaying the fault information sent by the fault self-checking module 14.
The general control module 11 is connected to the network module 16, and the network module 16 is used for providing network support. The network module 16 is respectively connected with the fault self-checking module 14 and the cloud storage module 17. Through network module 16, fault self-test module 14 may connect to a network and send fault information through network module 16. The cloud storage module 17 may receive and store the fault information through the network module 16.
The cloud storage module 17 is connected with the master control module 11. The master control module 11 can control the self-fault detection module 14 according to the fault information received by the cloud storage module 17, so as to control the self-fault detection module 14 to check the electric energy metering device 100.
The network module 16 is connected with the intelligent terminal 18, so that the fault information of the fault self-checking module 14 can be sent to the intelligent terminal 18 through the network module 16, and the fault information can be conveniently acquired through the intelligent terminal 18.
As shown in fig. 7, in the present embodiment, the fault self-test module 14 includes a default self-test module 14a, a self-test patrol module 14b, a fault alarm module 14c, a fault information generation module 14d, and a fault information transmission module 14 e.
The default self-test module 14a is connected to the self-test patrol module 14 b. The default self-test module 14a is used to perform a default self-test. The self-test patrol module 14b may perform an automatic patrol. The self-checking module 14b is connected with the fault alarm module 14c, and when a fault is found during self-checking, the fault alarm module 14c can issue a fault alarm. The fault alarm module 14c is connected to the fault information generation module 14 d. The fault information generation module 14d may generate fault information. The failure information generation module 14d is connected to the failure information transmission module 14 e. The failure information sending module 14e sends out the failure information. Through the design of the fault self-checking module 14, faults can be automatically checked.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An electric energy metering device, comprising:
a cabinet body;
the first supporting part is fixedly connected with the cabinet body and is provided with an accommodating space;
the second supporting part is positioned in the accommodating space, is connected with the first supporting part and can slide along a first direction relative to the second supporting part;
the wedge block is arranged on the second supporting part and provided with a first inclined surface, and the first inclined surface is inclined to the first direction;
the screw rod is in threaded connection with the first supporting part, one end of the screw rod is positioned in the accommodating space, and the other end of the screw rod extends out of the accommodating space; the screw rod can move along a second direction relative to the first supporting part when rotating, wherein the second direction is perpendicular to the first direction;
the pushing block is rotatably connected with one end of the screw rod, which is positioned in the accommodating space, and is provided with a second inclined surface matched with the first inclined surface; when the screw rod rotates relative to the first supporting part, the first inclined surface of the push block can be driven to slide along the second inclined surface, so that the first supporting part is driven to slide along a first direction relative to the second supporting part; and
and the caster is arranged on the second supporting part and is positioned on one side of the second supporting part back to the cabinet body.
2. The electric energy metering device of claim 1, further comprising a first limit stop provided on the wedge; when the screw drives the push block to move to a first preset position, the first limiting part is used for blocking the push block to continue moving along the second direction; when the push block moves to the first preset position, the position of the first supporting part is higher than that of the caster.
3. The electric energy metering device of claim 1, further comprising a second limiting portion disposed on the first supporting portion and located on a side of the second supporting portion facing away from the cabinet; when the screw drives the first supporting part to move to a second preset position, the second limiting part is used for limiting the first supporting part to continue moving along the first direction.
4. The electric energy metering device of claim 1,
an annular groove is formed in the outer surface of the screw rod along the circumferential direction of the screw rod;
the electric energy metering device further includes:
one end of the connecting sleeve is sleeved on the screw rod and is rotationally connected with the screw rod, and the other end of the connecting sleeve is fixedly connected with the push block; and
and the limiting screw is in threaded connection with the connecting sleeve, and one end of the limiting screw is positioned in the annular groove and matched with the annular groove.
5. The electric energy metering device of claim 1, further comprising:
one end of the connecting part is fixedly connected with the cabinet body; and
the guide sleeve is fixedly connected with the other end of the connecting part, the guide sleeve is sleeved on the screw rod and is rotationally connected with the screw rod, and the axial direction of the guide sleeve is along the second direction.
6. The electric energy metering device of claim 1, further comprising:
a bearing mounted on the second support part;
the connecting shaft is rotatably connected with the second supporting part through the bearing; and
the caster is mounted on the wheel frame, wherein the axis direction of the caster is perpendicular to the axis direction of the connecting shaft.
7. The electric energy metering device of claim 1,
the side wall of the cabinet body is provided with a through hole;
the electric energy metering device also comprises a side plate, and one end of the side plate is hinged with the cabinet body; when the side plate rotates relative to the cabinet body, the other end of the side plate can move close to or away from the cabinet body, so that the through hole is opened or closed.
8. The electric energy metering device of claim 7, further comprising a rubber pad adhered to an inner surface of the side plate; when the side plate seals the through hole, the rubber pad is clamped between the cabinet body and the side plate.
9. The electric energy metering device of claim 7, further comprising:
one end of the elastic sheet is connected with the cabinet body, and the other end of the elastic sheet is a movable end; and
the clamping block is fixedly connected with the other end of the elastic sheet; when the side plate closes the through hole, the fixture block can prevent the other end of the side plate from rotating towards the direction of opening the through hole; the clamping block can be driven to move by overcoming the elastic force of the elastic sheet, so that the other end of the side plate is released.
10. A non-power-outage inspection simulation system for an electric energy metering device is characterized by comprising the electric energy metering device, a master control module, a power supply module, an analog driving module, a fault self-checking module, a display module, a network module, a cloud storage module and an intelligent terminal, wherein the electric energy metering device is as defined in any one of claims 1 to 9; the master control module is connected with the power supply module and is used for carrying out overall regulation and control on the non-power-off inspection simulation system of the electric energy metering device; the power supply module is used for supplying power to the non-power-off inspection simulation system of the electric energy metering device; the simulation driving module is respectively connected with the master control module and the fault self-checking module, and is used for controlling the fault self-checking module to start according to the command of the master control module; the fault self-checking module is used for self-checking the fault of the electric energy metering device; the display module is used for displaying fault information sent by the fault self-checking module; the master control module is connected with the network module, and the network module is used for providing network support; the network module is respectively connected with the fault self-checking module and the cloud storage module, and the fault self-checking module can send fault information to the cloud storage module through the network module; the master control module is connected with the cloud storage module; the master control module is used for controlling the fault self-checking module according to the fault information received by the cloud storage module, so that the fault self-checking module can carry out self-checking on the fault of the electric energy metering device.
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| CN202110318559.9A CN113203882A (en) | 2021-03-25 | 2021-03-25 | Electric energy metering device non-power-off inspection simulation system and electric energy metering device thereof |
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| CN202110318559.9A CN113203882A (en) | 2021-03-25 | 2021-03-25 | Electric energy metering device non-power-off inspection simulation system and electric energy metering device thereof |
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Application publication date: 20210803 |