CN112053642B - Safety marking device and transformer substation secondary screen cabinet - Google Patents
Safety marking device and transformer substation secondary screen cabinet Download PDFInfo
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- CN112053642B CN112053642B CN202010741352.8A CN202010741352A CN112053642B CN 112053642 B CN112053642 B CN 112053642B CN 202010741352 A CN202010741352 A CN 202010741352A CN 112053642 B CN112053642 B CN 112053642B
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- bearing
- switch
- power supply
- motor
- electrically connected
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F11/00—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position
- G09F11/24—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the advertising or display material forming part of a moving band, e.g. in the form of perforations, prints, or transparencies
- G09F11/29—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the advertising or display material forming part of a moving band, e.g. in the form of perforations, prints, or transparencies of a band other than endless
- G09F11/295—Electric control therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/306—Accessories, e.g. windows
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/46—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/46—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another
- H02P5/50—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another by comparing electrical values representing the speeds
Abstract
The invention relates to a safety marking device and a transformer substation secondary screen cabinet. The safety marking device comprises a first bearing, a first motor, a second bearing, a second motor, a marking scroll and a controller. The controller can control the first motor to drive the first bearing and control the second motor to drive the second bearing. The marking banner is connected between the first bearing and the second bearing. The highlighter web includes a first region, a second region, and a third region. The controller can control the marking scroll to display one of the first area, the second area and the third area by controlling the first motor and the second motor to work, so that the first state, the second state or the third state is marked. The safety marking device can control the marking banner through the controller, thereby marking different states of the secondary screen cabinet and realizing mechanization of safety marking.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a safety marking device and a transformer substation secondary screen cabinet.
Background
The secondary screen cabinet of the transformer substation is generally used for bearing secondary equipment of the transformer substation, and comprises a line protection measurement and control cabinet, a main transformer protection measurement and control cabinet, an electric energy quality monitoring cabinet and the like.
In the conventional technology, when the secondary screen cabinet works, the safety marking device generally comprises a "working here" marking board and an "equipment is in operation" red cloth curtain which are manually installed by workers.
The inventor finds out in the process of realizing the conventional technology that: traditional safety marking device needs staff manual installation, is unfavorable for power equipment's mechanization.
Disclosure of Invention
Therefore, it is necessary to provide a safety marking device and a transformer substation secondary screen cabinet for solving the problem that the safety marking device in the conventional technology is not beneficial to mechanization of power equipment.
The utility model provides a safe device that marks, is applied to the secondary screen cabinet of transformer substation, includes:
a first bearing;
the first motor M1 is connected with the first bearing so as to drive the first bearing to rotate;
a second bearing;
the second motor M2 is connected with the second bearing so as to drive the second bearing to rotate;
marking a banner comprising a first region, a second region and a third region, the second region being located between the first region and the third region, the first region being for marking a first state, the second region being for marking a second state, the third region being for marking a third state; one end of the marking scroll is connected with the first bearing, and the other end of the marking scroll is connected with the second bearing;
and the controller is connected with the first motor M1 and the second motor M2 to control the first motor M1 and the second motor M2 to work, so as to control the marking banner to display the first area, the second area or the third area.
In one embodiment, the length of the first region, the length of the second region, and the length of the third region are equal in a direction from the first bearing toward the second bearing;
the spacing between the first bearing and the second bearing is equal to the length of the first region.
In one embodiment, the security indicator apparatus further includes:
a communicator electrically connected to the controller for acquiring and communicating a communication signal to the controller, the controller configured to:
and controlling the first motor M1 and the second motor M2 to work according to the communication signal so as to enable the first bearing and the second bearing to rotate around a clockwise direction or enable the first bearing and the second bearing to rotate around a counterclockwise direction.
In one embodiment, the first motor M1 has a first positive pole M1+ and a first negative pole M1 —, and the security indicator apparatus further includes:
the power supply U1 is provided with a power supply anode U + and a power supply cathode U-;
the switch K1 is electrically connected between the power supply anode U + and the first anode M1+ so as to control the on-off of a circuit between the power supply anode U + and the first anode M1 +;
the switch K2 is electrically connected between the first negative electrode M1-and the power supply negative electrode U-so as to control the on-off of a circuit between the first negative electrode M1-and the power supply negative electrode U-;
the switch K3 is electrically connected between the power supply anode U + and the first cathode M1-so as to control the on-off of a circuit between the power supply anode U + and the first cathode M1-;
the switch K4 is electrically connected between the first positive electrode M1+ and the power supply negative electrode U-so as to control the on-off of a circuit between the first positive electrode M1+ and the power supply negative electrode U-;
the controller is respectively electrically connected with the switch K1, the switch K2, the switch K3 and the switch K4 so as to control the on-off of the switch K1, the switch K2, the switch K3 and the switch K4.
In one embodiment, when the first bearing and the second bearing rotate around the clockwise direction, the marking scroll moves along a first direction, and the first direction is a direction in which the second bearing points to the first bearing;
when the first bearing and the second bearing rotate around the clockwise direction, the rotating speed of the first bearing is larger than that of the second bearing.
In one embodiment, the security indicator apparatus further includes: the first speed control circuit is electrically connected between the switch K1 and the first positive electrode M1+, and between the switch K4 and the first positive electrode M1 +;
the first speed control circuit includes:
the anode of the diode D1 is electrically connected with the switch K1, and the cathode of the diode D1 is electrically connected with the first anode M1 +;
the anode of the diode D2 is electrically connected with the first anode M1+, and the cathode of the diode D2 is electrically connected with the switch K4;
the resistor R1 is electrically connected between the anode of the diode D2 and the first anode M1 +.
In one embodiment, the second motor M2 has a second positive pole M2+ and a second negative pole M2-, and the security marking device further includes:
the power supply U1 is provided with a power supply anode U + and a power supply cathode U-;
the switch K5 is electrically connected between the power supply anode U + and the second anode M2+ so as to control the on-off of a circuit between the power supply anode U + and the second anode M2 +;
the switch K6 is electrically connected between the second negative electrode M2-and the power supply negative electrode U-so as to control the on-off of a circuit between the second negative electrode M2-and the power supply negative electrode U-;
the switch K7 is electrically connected between the power supply anode U + and the second cathode M2-so as to control the on-off of a circuit between the power supply anode U + and the second cathode M2-;
the switch K8 is electrically connected between the second positive electrode M2+ and the power supply negative electrode U < - > to control the on-off of a circuit between the second positive electrode M2+ and the power supply negative electrode U < - >;
the controller is respectively electrically connected with the switch K5, the switch K6, the switch K7 and the switch K8 so as to control the on-off of the switch K5, the switch K6, the switch K7 and the switch K8.
In one embodiment, when the first bearing and the second bearing rotate around the counterclockwise direction, the marking scroll moves along a second direction, and the second direction is the direction in which the first bearing points to the second bearing;
when the first bearing and the second bearing rotate around the anticlockwise direction, the rotating speed of the second bearing is larger than that of the first bearing.
In one embodiment, the security marking device further comprises: the second rotating speed control circuit is electrically connected between the switch K5 and the second positive electrode M2+, and between the switch K8 and the second positive electrode M2 +;
the second rotational speed control circuit includes:
the anode of the diode D3 is electrically connected with the switch K5, and the cathode of the diode D3 is electrically connected with the second anode M2 +;
the resistor R2 is electrically connected between the cathode of the diode D3 and the second anode M2 +;
and the anode of the diode D4 is electrically connected with the second anode M2+, and the cathode of the diode D4 is electrically connected with the switch K8.
A transformer substation secondary screen cabinet comprises the safety marking device in any one of the above embodiments, wherein the safety marking device is installed on a cabinet door of the secondary screen cabinet.
The safety marking device comprises a first bearing, a first motor, a second bearing, a second motor, a marking scroll and a controller. The controller can control the first motor to drive the first bearing and control the second motor to drive the second bearing. The marking banner is connected between the first bearing and the second bearing. The marker web includes a first region, a second region, and a third region. The controller can control the marking scroll to display one of the first area, the second area and the third area by controlling the first motor and the second motor to work, so that the first state, the second state or the third state is marked. The safety marking device can control the marking banner through the controller, so that different states of the secondary screen cabinet are marked, and the mechanization of safety marking is realized.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a security marking device according to an embodiment of the present application;
FIG. 2 is an expanded view of a banner web according to one embodiment of the present application;
FIG. 3 is a schematic view of another embodiment of the security marking apparatus of the present application;
FIG. 4 is a schematic circuit diagram of a security marking apparatus according to an embodiment of the present application;
FIG. 5 is a schematic circuit diagram of a security marking apparatus according to another embodiment of the present application;
FIG. 6 is a schematic circuit diagram of a security marking apparatus according to yet another embodiment of the present application;
fig. 7 is a schematic circuit diagram of a security marking apparatus according to another embodiment of the present application.
Wherein, the meanings represented by the reference numerals of the figures are respectively as follows:
10. a security marker device; 12. a first direction; 14. a second direction; 110. a first bearing; 120. a second bearing; 130. marking the banner; 132. a first region; 134. a second region; 136. a third region; 140. a controller; 150. a communicator; 160. a first speed control circuit; 170. a second rotation speed control circuit.
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.
The ordinal numbers used herein for the components, such as "first," "second," etc., are used merely to distinguish between the objects described, and do not have any sequential or technical meaning. The term "connected" and "coupled" as used herein includes both direct and indirect connections (couplings), unless otherwise specified. In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application.
In this application, unless expressly stated or limited otherwise, 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 intervening media. 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.
In the conventional technology, the safety measures of the secondary screen cabinet of the substation usually include hanging a "work here" signboard and a "equipment in operation" red cloth curtain. When a certain secondary screen cabinet works, a signboard for working at the time needs to be hung on the cabinet door of the secondary screen cabinet, and a red cloth curtain for equipment to run is hung on the cabinet doors of two adjacent secondary screen cabinets. And after the secondary screen cabinet works, manually removing the nameplate. Because the safety sign needs the staff manual installation and demolish, be unfavorable for power equipment's mechanization.
To the problem, this application provides a safe device of marking and uses this safe transformer substation's secondary screen cabinet of marking device. This safety marking device can carry out mechanical switch to the different states of the secondary screen cabinet that marks through the controller, need not artifical installation and demolish.
In various embodiments of the present application, the connection between two devices refers to a fixed connection or a movable connection. The fixed connection means that two devices are connected through screws, mortise and tenon joints or glue and the like, so that the two devices cannot be subjected to relative displacement. The movable connection means that after the two devices are connected, the relative displacement can be generated. For example, two devices may be connected to each other via a nested connection. The electrical connection between two electrical devices is through a wire connection, so that the transmission of electrical signals between the two electrical devices can be performed.
As shown in fig. 1, in one embodiment, the present application provides a security marking device 10 for a secondary cubicle of a substation. The safety marking device 10 includes a first bearing 110, a first motor M1, a second bearing 120, a second motor M2, a marking banner 130, and a controller 140.
Specifically, the first bearing 110 and the second bearing 120 are used to connect with the indication banner 130, so that different parts of the indication banner 130 are located between the first bearing 110 and the second bearing 120 through the rotation of the first bearing 110 and the second bearing 120. Here, the first and second bearings 110 and 120 may have a cylindrical shape. The first bearing 110 and the second bearing 120 may be made of a rigid material such as iron. When the safety marking device 10 of this application is applied to the secondary screen cabinet of transformer substation, can be equipped with the mount pad that is used for installing first bearing 110 and second bearing 120 on the cabinet door of secondary screen cabinet to make first bearing 110 and second bearing 120 install in the cabinet door of secondary screen cabinet through the mount pad. When the first bearing 110 and the second bearing 120 are installed on the cabinet door through the installation base, both the first bearing and the second bearing are movably connected with the installation base. So that the first bearing 110 and the second bearing 120 can rotate.
The first motor M1 is used for driving the first bearing 110 to rotate. The first motor M1 may have a rotation shaft connected to the first bearing 110. When the first motor M1 is operated, the rotating shaft rotates, thereby driving the first bearing 110 to rotate along the central axis thereof.
The second motor M2 is used for driving the second bearing 120 to rotate. The second motor M2 may have a rotation shaft connected with the second bearing 120. When the second motor M2 is operated, the rotating shaft rotates, so as to drive the second bearing 120 to rotate along the central axis thereof.
As shown in fig. 2, the highlighter web 130 includes a first region 132, a second region 134, and a third region 136. Wherein the second region 134 is located between the first region 132 and the third region 136. In other words, the banner 130 includes a first region 132, a second region 134 and a third region 136 that are arranged in a "line". As is known from the above description, the safety measures of the secondary cabinets of substations usually include the suspension of "work here" signboards and "equipment in operation" red drapes. For convenience of description, the "operating here" state is named as a first state, and the "equipment in operation" is named as a third state. Thus, when a secondary cabinet is in operation, the banner 130 for the secondary cabinet should show a first area 132 indicating a "working" first state. The adjacent two panels of the secondary panel should exhibit a third region 136, representing a third state of "equipment in operation". If a secondary cabinet is not in operation and an adjacent secondary cabinet is not in operation, the indication banner 130 of the secondary cabinet should display a second area 134 indicating a second state. In other words, the second state indicates that the secondary screen cabinet is not in the working state, and the adjacent secondary screen cabinet is not in the working state. One end of the banner 130 may be fixedly connected to the first bearing 110 and the other end may be fixedly connected to the second bearing 120. In this manner, as the first bearing 110 and the second bearing 120 rotate, the banner 130 may be caused to display one of the first region 132, the second region 134, and the third region 136. While the banner 130 shows one of the first, second and third regions 132, 134, 136, the other two regions not shown are wound around the first bearing 110 or/and the second bearing 120.
The controller 140 is connected to the first motor M1 and the second motor M2, thereby controlling the first motor M1 and the second motor M2 to operate. The controller 140 controls the first motor M1 and the second motor M2 to rotate the first bearing 110 and the second bearing 120, so as to control the indication banner 130 to display the first region 132, the second region 134 or the third region 136.
More specifically, in the security marking device 10 of the present application, the side of the first region 132 of the marking web 130 remote from the third region 136 may be connected to the first bearing 110, and the side of the third region 136 of the marking web 130 remote from the first region 132 may be connected to the second bearing 120. Thus, when the banner 130 shows the first region 132, the second region 134 and the third region 136 may be wound around the second bearing 120. When the banner 130 shows the second region 134, the first region 132 may be wound around the first bearing 110 and the third region 136 may be wound around the second bearing 120. When the banner 130 exhibits the third region 136, the first region 132 and the second region 134 may be wrapped around the first bearing 110. The controller 140 may control the indication banner 130 to display one of the first region 132, the second region 134, and the third region 136 by controlling the first motor and the second motor to operate, thereby indicating the first state, the second state, or the third state. The safety marking device 10 can control the marking banner 130 through the controller 140, thereby marking different states of the secondary screen cabinet and realizing mechanization of safety marking. Also, the provision of the second region 134 between the first region 132 and the third region 136 facilitates switching from the second state to the first and third states, thereby reducing the path taken by the security indicator 10 when switching the display region.
Further, the indication banner 130 may be a strip cloth or plastic having a color. The first region 132 of the highlighter web 130 can be colored green; the second region 134 may be transparent; the third region 136 may be colored red to correspond to a "device on the fly" red cloth shade as is conventional in the art. In this way, the banner 130 may be made the same color as existing security measures, thereby facilitating the use of the staff.
It should be appreciated that in the above embodiments, the security indicator apparatus 10 of the present application is described with the introduction of a secondary screen cabinet for ease of understanding. In practical applications, the security marker 10 of the present application does not include a secondary screen cabinet. In other words, the secondary screen cabinet is present as an environmental element in the security marking device 10 of the present application. The presence or absence of a secondary screen cabinet does not affect the operation of the security marking device 10 of the present application.
In one embodiment, as shown in FIG. 2, the length of the first region 132, the length of the second region 134, and the length of the third region 136 are equal in a direction from the first bearing 110 toward the second bearing 120. The spacing between the first bearing 110 and the second bearing 120 is equal to the length of the first region 132.
Specifically, in the embodiments of the present application, the direction in which the second bearing 120 points toward the first bearing 110 is named as a first direction 12, and the direction in which the first bearing 110 points toward the second bearing 120 is named as a second direction 14. In other words, in the embodiment shown in fig. 2, along the second direction 14, the length X1 of the first region 132, the length X2 of the second region 134, and the length X3 of the third region 136 are equal. And the length X1 of the first region 132, the length X2 of the second region 134, and the length X3 of the third region 136 are equal to the spacing between the first bearing 110 and the second bearing 120.
In this embodiment, the side of the first region 132 of the indicator web 130 remote from the third region 136 may be connected to the first bearing 110, and the side of the third region 136 of the indicator web 130 remote from the first region 132 may be connected to the second bearing 120. Since the length X1 of the first region 132, the length X2 of the second region 134 and the length X3 of the third region 136 are equal to the distance between the first bearing 110 and the second bearing 120, only one of the first region 132, the second region 134 and the third region 136 is shown at a time when the safety indicator 10 is in operation. When the security marking apparatus 10 of the present application is applied to a secondary screen cabinet, the length X1 of the first region 132 may be equal to the width of the cabinet door of the secondary screen cabinet.
Further, a control program may be preset in the controller 140, so that when the controller 140 controls the first motor and the second motor to operate, each operation time just enables the indication banner 130 to move by a distance equal to the length X1 of the first area 132. In other words, in order to realize the automatic stop of the display area of the banner 130 during the switching process, the controller 140 of the present application is further provided with a stroke control program. Namely, the travel node is set, so that after the mark scroll is switched to a display area, the display area is automatically kept and a control loop is cut off.
In one embodiment, as shown in FIG. 3, the security marker 10 of the present application further includes a communicator 150.
Specifically, the communicator 150 is configured to acquire a communication signal. The communication signal may be a wired communication signal or/and a wireless communication signal. When the communication signal is a wired communication signal, the communicator 150 may be an RS485 interface, an optical cable interface, or the like. When the communication signal is a Wireless communication signal, the communicator 150 may be at least one of an infrared receiver, an ultraviolet receiver, a laser receiver, a bluetooth receiver, a Wi-Fi (Wireless-Fidelity) receiver, a radio frequency receiver, and the like. And will not be described in detail herein. The communicator 150 may be connected with the controller 140 so as to transfer the acquired communication signal to the controller 140. The controller 140 may control the first motor M1 and the second motor M2 to operate according to the acquired communication signal. Here, the controller 140 may be configured to:
the first electrode M1 and the second motor M2 are controlled to operate according to the communication signal, so that the first bearing 110 and the second bearing 120 rotate clockwise, or the first bearing 110 and the second bearing 120 rotate counterclockwise.
Specifically, when the controller 140 controls the first motor M1 and the second motor M2 to operate according to the communication signal, the first bearing 110 and the second bearing 120 may rotate in the same direction at the same time. The same direction may be clockwise or counterclockwise. In the embodiments of the present application, the definition of clockwise and counterclockwise is:
as the first bearing 110 and the second bearing 120 rotate in the clockwise direction, the banner 130 moves in the first direction 12. That is, when the first bearing 110 and the second bearing 120 rotate in the clockwise direction, the banner 130 moves toward the position of the first bearing 110 and winds around the first bearing 110. As the first bearing 110 and the second bearing 120 rotate in the counterclockwise direction, the banner 130 moves in the second direction 14. That is, when the first bearing 110 and the second bearing 120 rotate in the counterclockwise direction, the indication banner 130 moves toward the position of the second bearing 120 and moves on the second bearing 120.
The following describes the principle and operation of the first bearing 110 and the second bearing 120 in different rotation directions.
First, the principle of switching the rotation direction of the first bearing 110 will be explained:
as shown in fig. 4, the first motor M1 for driving the first bearing 110 has a first positive pole M1+ and a first negative pole M1-. At this time, the safety sign device 10 further includes a power source U1, a switch K2, a switch K3, and a switch K4.
Specifically, the first motor M1 has a first positive pole M1+ and a first negative pole M1-. When current flows into the first motor M1 from the first positive pole M1+ and flows out of the first motor M1 from the first negative pole M1-, the first motor M1 operates and drives the first bearing 110 to rotate clockwise. Conversely, when current flows into the first motor M1 from the first negative electrode M1-and flows out of the first motor M1 from the first positive electrode M1+, the first motor M1 operates and drives the first bearing 110 to rotate counterclockwise.
The switch K1 is electrically connected between the power supply anode U + and the first anode M1+ to control the on-off of a circuit between the power supply anode U + and the first anode M1 +. The switch K2 is electrically connected between the first cathode M1-and the power supply cathode U-to control the on-off of the circuit between the first cathode M1-and the power supply cathode U-. The switch K3 is electrically connected between the power supply anode U + and the first cathode M1-to control the on-off of the circuit between the power supply anode U + and the first cathode M1-. The switch K4 is electrically connected between the first positive electrode M1+ and the power supply negative electrode U-to control the on-off of the circuit between the first positive electrode M1+ and the power supply negative electrode U-. The switch K1, the switch K2, the switch K3, and the switch K4 are also connected to the controller 140 (not shown in the figure), so that the controller 140 controls the on/off of the switch K1, the switch K2, the switch K3, and the switch K4.
More specifically, in the present embodiment, when the controller 140 needs to control the first bearing 110 to rotate clockwise according to the communication signal, the controller 140 may control the switches K1 and K2 to be closed. At this time, a current flows out from the positive electrode U + of the power supply, flows into the first motor M1 from the first positive electrode M1+ after passing through the switch K1, and flows out of the first motor M1 from the first negative electrode M1-. The current flowing out of the first negative pole M1-flows back to the negative pole U-of the power supply after passing through the switch K2. At this time, the first motor M1 operates and drives the first bearing 110 to rotate clockwise. When the controller 140 needs to control the first bearing 110 to rotate counterclockwise according to the communication signal, the controller 140 may control the switches K3 and K4 to be closed. At this time, current flows out from the power supply positive electrode U +, flows into the first motor M1 from the first negative electrode M1 "after passing through the switch K3, and flows out of the first motor M1 from the first positive electrode M1 +. The current flowing out of the first positive electrode M1+ flows back to the negative electrode U-of the power supply after passing through the switch K4. At this time, the first motor M1 operates and drives the first bearing 110 to rotate counterclockwise.
In this embodiment, the switch K1, the switch K2, the switch K3, and the switch K4 may be transistors. The gate of each transistor may be connected to the controller 140, so that the controller 140 controls whether the source and the drain of each transistor are conducted, thereby performing a switching function, which is not described in detail.
Next, the principle of the second bearing 120 for switching the rotation direction will be described:
as shown in fig. 5, the second motor M2 for driving the second bearing 120 has a second positive pole M2+ and a second negative pole M2-. At this time, the safety sign device 10 further includes a power source U1, a switch K5, a switch K6, a switch K7, and a switch K8.
Specifically, the second motor M2 has a second positive pole M2+ and a second negative pole M2-. When current flows into the second motor M2 from the second positive pole M2+ and flows out of the second motor M2 from the second negative pole M2-, the second motor M2 operates and drives the second bearing 120 to rotate clockwise. Conversely, when current flows into the second motor M2 from the second negative pole M2 "and flows out of the second motor M2 from the second positive pole M2+, the second motor M2 operates and drives the second bearing 120 to rotate counterclockwise.
The switch K5 is electrically connected between the power supply anode U + and the second anode M2+ to control the on-off of the circuit between the power supply anode U + and the second anode M2 +. The switch K6 is electrically connected between the second cathode M2-and the power supply cathode U-to control the on-off of the circuit between the second cathode M2-and the power supply cathode U-. The switch K7 is electrically connected between the power supply anode U + and the second cathode M2-to control the on-off of the circuit between the power supply anode U + and the second cathode M2-. The switch K8 is electrically connected between the second anode M2+ and the power supply cathode U-to control the on-off of the circuit between the second anode M2+ and the power supply cathode U-. The switch K5, the switch K6, the switch K7 and the switch K8 are also connected to the controller 140 (not shown), so that the controller 140 controls the on/off of the switch K5, the switch K6, the switch K7 and the switch K8.
More specifically, in the present embodiment, when the controller 140 needs to control the second bearing 120 to rotate clockwise according to the communication signal, the controller 140 may control the switches K5 and K6 to be closed. At this time, a current flows out from the power supply positive electrode U +, flows into the second motor M2 from the second positive electrode M2+ after passing through the switch K5, and flows out of the second motor M2 from the second negative electrode M2-. The current flowing out of the second negative pole M2-flows back to the negative pole U-of the power supply after passing through the switch K6. At this time, the second motor M2 operates and drives the second bearing 120 to rotate clockwise. When the controller 140 controls the second bearing 120 to rotate counterclockwise according to the communication signal, the controller 140 may control the switches K7 and K8 to be closed. At this time, a current flows out from the positive electrode U + of the power supply, flows into the second motor M2 from the second negative electrode M2 "after passing through the switch K7, and flows out of the second motor M2 from the second positive electrode M2 +. The current flowing out of the second positive electrode M2+ flows back to the negative electrode U-of the power supply after passing through a switch K8. At this time, the second motor M2 operates and drives the second bearing 120 to rotate counterclockwise.
In this embodiment, the switches K5, K6, K7 and K8 may be transistors. The gate of each transistor may be connected to the controller 140, so that the controller 140 controls whether the source and the drain of each transistor are conducted, thereby performing a switching function, which is not described in detail.
In the above-described embodiment, for convenience of description, the connection of the power supply U1 to the first motor M1, and the connection of the power supply U1 to the second motor M2 are explained with reference to fig. 4 and 5, respectively. In practical applications, the embodiment shown in fig. 4 may be combined with the embodiment shown in fig. 5, and the power source U1 may be shared by combining the first motor M1 and the second motor M2. No further description is given.
In one embodiment, when the first bearing 110 and the second bearing 120 rotate in a clockwise direction, i.e., the banner 130 moves toward the first bearing 110 and winds around the first bearing 110, the rotational speed of the first bearing 110 is greater than the rotational speed of the second bearing 120. In another embodiment, when the first bearing 110 and the second bearing 120 rotate in a counterclockwise direction, i.e., the banner 130 moves toward the second bearing 120 and winds around the second bearing 120, the rotational speed of the second bearing 120 is greater than the rotational speed of the first bearing 110. Therefore, the indication banner 130 is always in a flat state between the first bearing 110 and the second bearing 120 in the moving process, thereby ensuring the smooth rotation of the first bearing 110 and the second bearing 120.
Referring to the drawings, in the case of "clockwise rotation, the rotation speed of the first bearing 110 is greater than that of the second bearing 120; the implementation circuit in which the rotational speed of the second bearing 120 is greater than the rotational speed of the first bearing 110 when rotating counterclockwise is explained. The circuit may be implemented based on the connection circuit between the power supply U1 and the first and second motors M1 and M2 in the above-described embodiment.
In one embodiment, as shown in FIG. 6, the security marker device 10 of the present application may further include a first speed control circuit 160.
Specifically, the first rotation speed control circuit 160 may be connected between the switch K1 and the first positive electrode M1+, and between the switch K4 and the first positive electrode M1 +. The first rotation speed control circuit 160 is used to make the rotation speed of the first bearing 110 greater when the first motor M1 drives the first bearing 110 clockwise than when the first motor M1 drives the first bearing 110 counterclockwise.
As shown in fig. 7, the safety marking device 10 of the present application may further include a second rotational speed control circuit 170.
Specifically, the second speed control circuit 170 may be connected between the switch K5 and the second positive electrode M2+, and between the switch K8 and the second positive electrode M2 +. The second rotation speed control circuit 170 is configured to enable the rotation speed of the second bearing 120 to be smaller when the second motor M2 drives the second bearing 120 clockwise than when the second bearing 120 is driven counterclockwise by the second motor M2.
More specifically, the present embodiment aims to reduce the rate at which the first motor M1 drives the first bearing 110 counterclockwise by the first rotational speed control circuit 160. And, the second motor M2 is driven clockwise at a reduced rate of speed of the second bearing 120 by the second rotation speed control circuit 170. At this time, only by making the parameters of the first motor M1 and the second motor M2 identical, the rotation speed of the first bearing 110 when the first motor M1 drives the first bearing 110 clockwise is equal to the rotation speed of the second bearing 120 when the second motor M2 drives the second bearing 120 counterclockwise.
As shown in fig. 6, the first rotation speed control circuit 160 may include a diode D1, a diode D2, and a resistor R1. The anode of the diode D1 is electrically connected to the switch K1, and the cathode of the diode D1 is electrically connected to the first anode M1 +. The anode of the diode D2 is electrically connected to the first anode M1+, and the cathode of the diode D2 is electrically connected to the switch K4. The resistor R1 is electrically connected between the anode of the diode D2 and the first positive electrode M1 +.
As shown in fig. 7, the second speed control circuit 170 may include a diode D3, a diode D4, and a resistor R2. The anode of the diode D3 is electrically connected to the switch K5, and the cathode of the diode D3 is electrically connected to the second anode M2 +. The resistor R2 is electrically connected between the cathode of the diode D3 and the second positive electrode M2 +. The anode of the diode D4 is electrically connected to the second anode M2+, and the cathode of the diode D4 is electrically connected to the switch K8.
In this embodiment, when the controller 140 needs to control the first bearing 110 and the second bearing 120 to rotate clockwise according to the communication signal, the controller 140 may control the switches K1 and K2, and the switches K5 and K6 to be closed. At this time, for the first motor M1 driving the first bearing 110: current flows out from the positive pole U + of the power supply, flows into the first motor M1 from the first positive pole M1+ through the switch K1 and the diode D1 in sequence, and then flows back to the negative pole U-of the power supply through the first negative pole M1-and the switch K2. For the second motor M2 that drives the second bearing 120: current flows out from the positive pole U + of the power supply, flows into the first motor M1 from the first positive pole M1+ through the switch K5, the diode D3 and the resistor R2 in sequence, and then flows back to the negative pole U-of the power supply through the first negative pole M1-and the switch K6. In the process, since the loop where the second motor M2 is located has the resistor R2, the driving current in the second motor M2 is smaller than the driving current in the first motor M1 under the condition that the parameters of the first motor M1 and the second motor M2 are equal. Therefore, the rotational speed of the second bearing 120 driven by the second motor M2 is less than the rotational speed of the first bearing 110 driven by the first motor M1.
When the controller 140 needs to control the first bearing 110 and the second bearing 120 to rotate counterclockwise according to the communication signal, the controller 140 may control the switches K3 and K4, and the switches K7 and K8 to be closed. At this time, for the first motor M1 that drives the first bearing 110: current flows out from the positive pole U + of the power supply, flows into the first motor M1 from the first negative pole M1-through the switch K3, and then flows back to the negative pole U-of the power supply through the first positive pole M1+, the resistor R1, the diode D2 and the switch K4. For the second motor M2 that drives the second bearing 120: the current flows out from the positive pole U + of the power supply, flows into the second motor M2 from the second negative pole M2-through the switch K7, and then flows back to the negative pole U-of the power supply through the second positive pole M2+, the diode D4 and the switch K8. In the process, since the loop where the first motor M1 is located has the resistor R1, under the condition that each parameter of the first motor M1 and the second motor M2 are equal, the driving current in the first motor M1 is smaller than the driving current in the second motor M2. Therefore, the rotational speed of the first bearing 110 driven by the first motor M1 is lower than the rotational speed of the second bearing 120 driven by the second motor M2.
Through the circuit structure in the above embodiment, when the bearing rotates clockwise, the rotation speed of the first bearing 110 is greater than that of the second bearing 120; in the counterclockwise rotation, the rotational speed of the second bearing 120 is greater than the rotational speed of the first bearing 110.
In one embodiment, the application further provides a transformer substation secondary screen cabinet. The substation secondary screen cabinet may include a security marker device 10 as described in any of the embodiments above. The safety marking device 10 can be fixed on a cabinet door of a secondary screen cabinet of a transformer substation.
In particular, the security marker 10 may comprise:
a first bearing 110;
a first motor M1 connected to the first bearing 110 to drive the first bearing 110 to rotate;
a second bearing 120;
a second motor M2 connected to the second bearing 120 to drive the second bearing 120 to rotate;
a marking web 130 comprising a first region 132, a second region 134 and a third region 136, the second region 134 being located between the first region 132 and the third region 136, the first region 132 being for marking a first state, the second region 134 being for marking a second state, the third region 136 being for marking a third state; one end of the indication banner 130 is connected with the first bearing 110, and the other end of the indication banner 130 is connected with the second bearing 120;
the controller 140 is connected to the first motor M1 and the second motor M2 to control the first motor M1 and the second motor M2 to operate, so as to control the indication banner 130 to display the first area 132, the second area 134 or the third area 136.
The first bearing 110 and the second bearing 120 may be mounted on the cabinet door through a mounting seat, so as to rotate on the cabinet door. The first motor M1+ and the second motor M2+, and the controller 140 may also be fixed on the cabinet door. The transformer substation secondary screen cabinet is provided with the safety marking device 10, and the marking banner 130 can be controlled by the controller 140, so that different states of the secondary screen cabinet are marked, and mechanization of safety marking is realized.
After the safety marking device 10 is applied to the secondary screen cabinet, the safety marking device has the following beneficial effects:
1. the time required for arranging the safety nameplates can be reduced, and the field working efficiency is further improved. Statistically, averaging one security marker 10 may save 23.61 seconds. 2. This safety marking device 10 need not artifical the installing and demolising, can effectively avoid safety marking device 10's position in disorder to avoid the secondary screen cabinet of site work personnel mistake income operation and the risk that leads to, improve the power supply reliability.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the 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. The utility model provides a safe device that marks, is applied to the secondary screen cabinet of transformer substation, its characterized in that includes:
a first bearing;
the first motor M1 is connected with the first bearing so as to drive the first bearing to rotate;
a second bearing;
the second motor M2 is connected with the second bearing so as to drive the second bearing to rotate;
marking a banner comprising a first region, a second region and a third region, the second region being located between the first region and the third region, the first region being for marking a first state, the second region being for marking a second state, the third region being for marking a third state; one end of the marking scroll is connected with the first bearing, and the other end of the marking scroll is connected with the second bearing;
the controller is connected with the first motor M1 and the second motor M2 to control the first motor M1 and the second motor M2 to work so as to control the marking banner to display the first area, the second area or the third area;
a communicator electrically connected to the controller for acquiring and communicating communication signals to the controller, the controller configured to: controlling the first motor M1 and the second motor M2 to work according to the communication signal so as to enable the first bearing and the second bearing to rotate around a clockwise direction or enable the first bearing and the second bearing to rotate around a counterclockwise direction; when the first bearing and the second bearing rotate around the clockwise direction, the marking scroll moves along a first direction, and the first direction is the direction in which the second bearing points to the first bearing; when the first bearing and the second bearing rotate around the clockwise direction, the rotating speed of the first bearing is higher than that of the second bearing;
the first motor M1 has a first positive pole M1+ and a first negative pole M1-, and the security marking device further includes:
the power supply U1 is provided with a power supply anode U + and a power supply cathode U-;
the switch K1 is electrically connected between the power supply anode U + and the first anode M1+ so as to control the on-off of a circuit between the power supply anode U + and the first anode M1 +;
the switch K2 is electrically connected between the first negative electrode M1-and the power supply negative electrode U-so as to control the on-off of a circuit between the first negative electrode M1-and the power supply negative electrode U-;
the switch K3 is electrically connected between the power supply anode U + and the first cathode M1-so as to control the on-off of a circuit between the power supply anode U + and the first cathode M1-;
the switch K4 is electrically connected between the first positive electrode M1+ and the power supply negative electrode U-so as to control the on-off of a circuit between the first positive electrode M1+ and the power supply negative electrode U-;
the switch K1, the switch K2, the switch K3 and the switch K4 are triodes, and the controller is electrically connected with the gates of the switch K1, the switch K2, the switch K3 and the switch K4 respectively so as to control the on-off of the switch K1, the switch K2, the switch K3 and the switch K4;
when the controller controls the first bearing to rotate clockwise according to the communication signal, the controller controls the switch K1 and the switch K2 to be closed, and the first motor M1 works and drives the first bearing to rotate clockwise.
2. The security marking device of claim 1, wherein the length of said first region, the length of said second region and the length of said third region are equal in a direction from said first bearing to said second bearing;
the spacing between the first bearing and the second bearing is equal to the length of the first region.
3. The security marker device of claim 1, further comprising: the first speed control circuit is electrically connected between the switch K1 and the first positive electrode M1+, and between the switch K4 and the first positive electrode M1 +;
the first speed control circuit includes:
the anode of the diode D1 is electrically connected with the switch K1, and the cathode of the diode D1 is electrically connected with the first positive electrode M1 +;
the anode of the diode D2 is electrically connected with the first positive electrode M1+, and the cathode of the diode D2 is electrically connected with the switch K4;
the resistor R1 is electrically connected between the anode of the diode D2 and the first anode M1 +.
4. The security marker device of claim 1, wherein the second motor M2 has a second positive pole M2+ and a second negative pole M2-, the security marker device further comprising:
the power supply U1 is provided with a power supply anode U + and a power supply cathode U-;
the switch K5 is electrically connected between the power supply positive electrode U + and the second positive electrode M2+ so as to control the on-off of a circuit between the power supply positive electrode U + and the second positive electrode M2 +;
the switch K6 is electrically connected between the second negative electrode M2-and the power supply negative electrode U-so as to control the on-off of a circuit between the second negative electrode M2-and the power supply negative electrode U-;
the switch K7 is electrically connected between the power supply anode U + and the second cathode M2-so as to control the on-off of a circuit between the power supply anode U + and the second cathode M2-;
the switch K8 is electrically connected between the second positive electrode M2+ and the power supply negative electrode U < - > to control the on-off of a circuit between the second positive electrode M2+ and the power supply negative electrode U < - >;
the controller is respectively electrically connected with the switch K5, the switch K6, the switch K7 and the switch K8 so as to control the on-off of the switch K5, the switch K6, the switch K7 and the switch K8.
5. The security marking device of claim 4, wherein said marking web moves in a second direction when said first bearing and said second bearing rotate in a counterclockwise direction, said second direction being a direction in which said first bearing points toward said second bearing;
when the first bearing and the second bearing rotate around the anticlockwise direction, the rotating speed of the second bearing is larger than that of the first bearing.
6. The security marking device of claim 5, further comprising: the second rotating speed control circuit is electrically connected between the switch K5 and the second positive electrode M2+, and between the switch K8 and the second positive electrode M2 +;
the second rotational speed control circuit includes:
the anode of the diode D3 is electrically connected with the switch K5, and the cathode of the diode D3 is electrically connected with the second anode M2 +;
the resistor R2 is electrically connected between the cathode of the diode D3 and the second anode M2 +;
and the anode of the diode D4 is electrically connected with the second positive electrode M2+, and the cathode of the diode D4 is electrically connected with the switch K8.
7. The security marking apparatus of claim 1, wherein a mounting seat for mounting the first bearing and the second bearing is disposed on a cabinet door of the secondary screen cabinet, and the first bearing and the second bearing are movably mounted on the cabinet door of the secondary screen cabinet through the mounting seat.
8. The security marking apparatus of claim 1, wherein the second state is that the secondary cabinet is not in an operating state and an adjacent secondary cabinet is not in an operating state.
9. The security marking apparatus of claim 1, wherein said first state is an in-service state and said third state is a state in which the device is in operation.
10. A substation secondary cubicle comprising a security marker device according to any one of claims 1 to 9 mounted on a cabinet door of the secondary cubicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010741352.8A CN112053642B (en) | 2020-07-29 | 2020-07-29 | Safety marking device and transformer substation secondary screen cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010741352.8A CN112053642B (en) | 2020-07-29 | 2020-07-29 | Safety marking device and transformer substation secondary screen cabinet |
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| Publication Number | Publication Date |
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| CN112053642A CN112053642A (en) | 2020-12-08 |
| CN112053642B true CN112053642B (en) | 2022-11-04 |
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| CN202010741352.8A Active CN112053642B (en) | 2020-07-29 | 2020-07-29 | Safety marking device and transformer substation secondary screen cabinet |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100534107B1 (en) * | 2003-02-14 | 2005-12-08 | 삼성전자주식회사 | Power supply apparatus for motor |
| CN206619368U (en) * | 2017-03-29 | 2017-11-07 | 国网福建省电力有限公司 | A kind of dual-purpose type electric power safety nameplate |
| CN207233644U (en) * | 2017-08-18 | 2018-04-13 | 唐宪通 | Integral control circuit for gas-filling cabinet motor-operating mechanism |
| CN109120193A (en) * | 2018-09-30 | 2019-01-01 | 珠海格力电器股份有限公司 | Motor-drive circuit and electrical equipment |
| CN110136601A (en) * | 2019-06-14 | 2019-08-16 | 广东电网有限责任公司 | A kind of second power equipment state nameplate |
| CN210324995U (en) * | 2019-08-14 | 2020-04-14 | 广东电网有限责任公司 | Signboard with digital display |
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