CN115085156A - Intelligent electric power monitoring terminal - Google Patents
Intelligent electric power monitoring terminal Download PDFInfo
- Publication number
- CN115085156A CN115085156A CN202210595464.6A CN202210595464A CN115085156A CN 115085156 A CN115085156 A CN 115085156A CN 202210595464 A CN202210595464 A CN 202210595464A CN 115085156 A CN115085156 A CN 115085156A
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- CN
- China
- Prior art keywords
- cable
- cabinet body
- power monitoring
- current sensor
- monitoring terminal
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
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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
- H02B1/24—Circuit arrangements for boards or switchyards
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The invention relates to an intelligent power monitoring terminal in the technical field of power monitoring, which comprises a cabinet body, a cable, a partition board, an installation space, a current sensor, a cable penetrating groove, an installation seat, a transition cable and a conductive block, wherein the conductive block is driven by a driving unit to move towards a direction far away from the transition cable and the cable. Can detect the current change in the cable comparatively accurately through current sensor, when the electric current increases, current signal among the current sensor will feed back to in the controller, the controller will control the drive unit and start, make the conducting block towards keeping away from the transition cable, the direction of cable removes, and then make transition cable and cable break away from electric connection's state, thereby make whole circuit be in the state of opening circuit, in order to carry out overcurrent protection to the internal electrical components of cabinet, straighten the cable through setting up cable straightening unit, make the position of cable in cable sensor be in the state of straightening, avoid the cable to produce loosely and lead to current sensor to detect the precision reduction.
Description
Technical Field
The invention relates to the technical field of power monitoring, in particular to an intelligent power monitoring terminal.
Background
In an electric power system, a distribution station and a distribution cabinet are generally adopted to install electrical components, the distribution cabinet (cabinet) is divided into a power distribution cabinet (cabinet), a lighting distribution cabinet (cabinet) and a metering cabinet (cabinet) and is final-stage equipment of the distribution system, the distribution cabinet is a general name of a motor control center, the distribution cabinet is used in occasions with dispersed loads and less loops, the motor control center is used in occasions with concentrated loads and more loops and distributes electric energy of a certain circuit of the previous-stage distribution equipment to nearby loads, and the equipment of the stage provides protection, monitoring and control for the loads.
The electric elements in the switch board supplies power through the electric wire, and electric wire one end penetrates in the switch board and is connected with the air circuit breaker in the switch board, and when the electric current in the switch board was too big, air circuit breaker will trip out for the electric wire is in the state of breaking circuit, carries out the overcurrent protection with the electric elements to in the switch board, and air circuit breaker is one kind as long as the electric current surpasss the switch that rated current will automatic cutout in the circuit. The air switch is an important electric appliance in a low-voltage distribution network and an electric power dragging system, and integrates control and multiple protection functions. Besides the contact and breaking of the circuit, the protection of short circuit, severe overload and undervoltage, etc. caused by the circuit or electrical equipment can be realized, and the motor can be started infrequently. However, the air circuit breaker in the prior art is lower in current detection precision, namely, the current in the circuit needs to exceed a certain range to trigger the function of circuit breaking protection, and when a power distribution cabinet internally provided with a precise electrical element is used, the air circuit breaker in the prior art cannot guarantee that overcurrent protection is carried out on the precise electrical element.
Based on this, the invention designs an intelligent power monitoring terminal to solve the problems.
Disclosure of Invention
The invention aims to provide an intelligent power monitoring terminal which comprises a cabinet body of a power distribution cabinet, wherein cables penetrate through the cabinet body, a partition plate is arranged in the cabinet body, an installation space is formed between the partition plate and the inner bottom wall of the cabinet body in an enclosing mode, a current sensor is arranged in the installation space, the cables penetrate through a ring hole of the current sensor, a cable penetrating groove for the cables to penetrate through is formed in the partition plate, an installation seat is arranged on the partition plate, one end, penetrating out of the partition plate, of each cable penetrates into the installation seat, a transition cable penetrates through the installation seat and corresponds to one end, penetrating into the installation seat, of each cable, the transition cable is connected with an air circuit breaker in the cabinet body, a conductive block is hollow and clamped in the installation seat and can horizontally and freely slide in the installation seat, and the conductive block is driven by a driving unit to move away from the transition cable, The direction of the cable moves.
In the intelligent electric power monitoring terminal, the translation unit comprises a sliding rod which is horizontally and fixedly connected to the conductive block and is made of insulating materials, the sliding rod slides to penetrate through the mounting seat, one end of the sliding rod penetrating through the mounting seat is sleeved with a floating ring, the floating ring is made of magnetic conduction materials, an electromagnet is arranged on the outer wall of the mounting seat, the electromagnet and the floating ring are matched to be used, a first spring is arranged between the electromagnet and the floating ring, and the first spring is sleeved on the sliding rod and two ends of the sliding rod in the elastic direction elastically abut against the electromagnet and the floating ring respectively.
In the intelligent electric power monitoring terminal, a cable straightening unit is arranged in the installation space and comprises a support arranged in the installation space, a pull rod is arranged on the support in a horizontal sliding mode in a penetrating mode, a mounting frame is arranged at one end of the pull rod, a rotating wheel is connected to the mounting frame in a rotating mode, one end, penetrating out of the current sensor, of the cable is wound on the rotating wheel, the pull rod is driven by an elastic driving structure to move towards the direction far away from the current sensor, and therefore the cable is stretched.
In the intelligent power monitoring terminal, a cable end clamping structure is arranged on the outer wall of the cabinet body, the cable end clamping structure comprises a clamping portion fixedly connected to the outer wall of the cabinet body, the clamping portion comprises a cylindrical section and a circular table section, the cylindrical section is fixedly connected to the cabinet body, the circular table section is coaxial with the cylindrical section, the outer diameter of the circular table section is sequentially increased in the direction away from the cabinet body, a cable clamping hole in a through hole form is coaxially formed in the circular table section, a plurality of strip-shaped notches communicated with the cable clamping hole are formed in the outer wall of the circular table section along the axial direction of the strip-shaped notches, the strip-shaped notches extend to the cylindrical section, a thread sleeve is sleeved on the cylindrical section, a conical groove matched with the circular table section is formed in the thread sleeve, and the circular table section is clamped in the conical groove.
In the above intelligent power monitoring terminal, the elastic driving structure includes a limit nut sleeved at one end of the pull rod far away from the rotating wheel, a second spring is sleeved on the pull rod, and the second spring elastically abuts against the limit nut.
In the above intelligent power monitoring terminal, the sliding sleeve is arranged on the support in a penetrating manner, and the pull rod is arranged on the sliding sleeve in a penetrating manner in a sliding manner.
Compared with the prior art, the invention has the beneficial effects that: can detect the current change in the cable comparatively accurately through current sensor, when the electric current increases, current signal among the current sensor will feed back to in the controller, the controller will control the drive unit and start, make the conducting block towards keeping away from the transition cable, the direction of cable removes, and then make transition cable and cable break away from electric connection's state, thereby make whole circuit be in the state of opening circuit, in order to carry out overcurrent protection to the internal electrical components of cabinet, straighten the cable through setting up cable straightening unit, make the position of cable in cable sensor be in the state of straightening, avoid the cable to produce loosely and lead to current sensor to detect the precision reduction.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of an assembly structure of the present invention;
FIG. 2 is an enlarged view of a portion of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of a portion of the structure shown at B in FIG. 1;
FIG. 4 is an enlarged view of a portion of the structure at C in FIG. 1;
fig. 5 is a schematic structural view of the clamping portion of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-cabinet body, 2-mounting seat, 3-partition board, 4-cable, 5-mounting space, 6-current sensor, 7-rotating wheel, 8-bracket, 9-transition cable, 10-first spring, 11-floating ring, 12-electromagnet, 13-sliding rod, 14-conductive block, 15-pull rod, 16-mounting frame, 17-sliding sleeve, 18-second spring, 19-limit nut, 20-conical groove, 21-threaded sleeve, 22-cylindrical section, 23-circular truncated cone section, 24-bar notch and 25-cable clamping hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person skilled in the art without making creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: an intelligent power monitoring terminal comprises a cabinet body 1 of a power distribution cabinet, wherein a cable 4 penetrates through the cabinet body 1, a partition plate 3 is arranged in the cabinet body 1, an installation space 5 is enclosed between the partition plate 3 and the inner bottom wall of the cabinet body 1, a current sensor 6 is arranged in the installation space 5, the cable 4 is penetrated through a ring hole of the current sensor 6, a cable penetrating groove for the cable 4 to penetrate through is formed in the partition plate 3, an installation seat 2 is arranged on the partition plate 3, one end, penetrating out of the partition plate 3, of the cable 4 penetrates into the installation seat 2, a transition cable 9 penetrates into the installation seat 2 correspondingly to the cable 4, the transition cable 9 is connected with an air circuit breaker in the cabinet body 1, a conductive block 14 is hollow and clamped in the installation seat 2, and the upper surface and the lower surface of the conductive block are respectively abutted against the transition cable 9, Cable 4 makes transition cable 9 and cable 4 be in the access state under the natural state like this to make the internal electrical components of cabinet can normal circular telegram work, conducting block 14 can the level freely slide in mount pad 2, conducting block 14 is driven its orientation of keeping away from transition cable 9, cable 4 by drive unit and is removed, and when the electric current in the cable increased, current sensor will detect the electric current change in the cable and feed back to external control ware (can be singlechip or computer equipment), and external control ware produces the signal and controls the drive unit action, makes the conducting block remove, and then makes transition cable and cable break away from electric connection's state.
The translation unit in this embodiment comprises a sliding rod 13 horizontally fixed to a conductive block 14 and made of insulating material, the sliding rod 13 penetrates through the mounting seat 2 in a sliding manner, and one end of the sliding rod, which penetrates through the mounting seat 2, is sleeved with the floating ring 11, the floating ring 11 is made of magnetic conductive material, the outer wall of the mounting seat 2 is provided with an electromagnet 12, the electromagnet 12 is matched with the floating ring 11 for use, a first spring 10 is arranged between the electromagnet 12 and the floating ring, the first spring 10 is wound on the sliding rod 13, and two ends of the first spring in the elastic direction elastically abut against the electromagnet 12 and the floating ring 11 respectively, when the signal generated by the current sensor is fed back to the external controller, the external controller controls the electromagnet to be electrified and generate magnetism, so that the electromagnet can generate magnetic attraction force on the floating ring, and then make the floating ring remove towards the direction of electro-magnet, and then make the conducting block can keep away from transition cable and cable.
In the present embodiment, a cable straightening unit is arranged in the installation space 5, the cable straightening unit includes a bracket 8 arranged in the installation space 5, a pull rod 15 penetrates through the bracket 8 in a horizontal sliding manner, one end of the pull rod 15 is provided with a mounting rack 16, the mounting rack 16 is rotatably connected with a rotating wheel 7, one end of the cable 4 penetrating through the current sensor 6 is wound on the rotating wheel 7, the pull rod 15 is driven by the elastic driving structure to move in a direction away from the current sensor 6, and then the cable 4 is stretched to make the cable in a straightened state, so that the part of the cable in the current sensor is in a straightened state, further, the detection precision of the current sensor is not influenced by the cable, and when the rotating wheel stretches the cable, through the rotation of rolling wheel for the cable can receive tensile, and the cable crust can not produce wearing and tearing in addition.
In this embodiment, the outer wall of the cabinet body 1 is provided with a cable end clamping structure, the cable end clamping structure includes a clamping portion fixedly connected to the outer wall of the cabinet body 1, the clamping portion includes a cylindrical section 22 and a circular truncated cone section 23, the cylindrical section 22 is fixedly connected to the cabinet body 1, the circular truncated cone section 23 is coaxial with the cylindrical section 22, the outer diameter of the circular truncated cone section 23 increases gradually in a direction away from the cabinet body 1, the circular truncated cone section 23 is coaxially provided with a cable clamping hole 25 in the form of a through hole, the outer wall of the circular truncated cone section 23 is provided with a plurality of strip-shaped notches 24 communicated with the cable clamping hole 25 along the axial array, the strip-shaped notches 24 extend to the cylindrical section 22, the cylindrical section 22 is provided with a threaded sleeve 21 in a threaded manner, the threaded sleeve 21 is provided with a tapered groove 20 matched with the circular truncated cone section 23, the circular truncated cone section 23 is clamped in the tapered groove 20, and the end of the cable penetrates into the cabinet body through the cable clamping hole, rotatory thread bush again, thread bush screw thread closes soon on the cylinder section and can block into the taper groove until the round platform section, then thread bush continues to rotate, along with rotatory going on, the taper groove inner wall produces radial inboard extrusion to the round platform section for the round platform section produces radial inboard elastic shrinkage, and then makes the cable centre gripping hole can press from both sides tight cable, and when the cable received straightening again like this, the cable can not produce the phenomenon of dragging, and the effect is better for cable tensile is dragged in addition.
In this embodiment the elastic drive structure is including cup jointing at pull rod 15 and keeping away from the stop nut 19 that rotates wheel 7 one end, the cover is around having second spring 18 on the pull rod 15, second spring 18 elasticity supports stop nut 19, supports through the elasticity that the second spring produced stop nut and then makes and rotate the wheel and can straighten the cable, in this embodiment wear to be equipped with sliding sleeve 17 on the support 8, pull rod 15 slides and wears to locate on sliding sleeve 17, makes the wearing and tearing that the pull rod receives when sliding on the support less like this.
Reference throughout this specification to the description of "one embodiment," "an example," "a specific example," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention, and the exemplary descriptions of the term or term may not necessarily refer to the same embodiment or example, and the particular feature, structure, material, or characteristic described may be combined in any suitable manner in any one or more embodiments or examples, the preferred embodiments of the invention disclosed above are intended merely to aid in the explanation of the invention, the preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiment described, and obviously many modifications and variations are possible in light of the teaching of this specification, the embodiments being selected and described in detail, to better explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand the invention and utilize the invention, it is intended that the invention be limited only by the claims and their full scope and equivalents.
Claims (6)
1. An intelligent power monitoring terminal comprises a cabinet body (1) of a power distribution cabinet, wherein a cable (4) penetrates through the cabinet body (1), and is characterized in that a partition plate (3) is arranged in the cabinet body (1), an installation space (5) is enclosed between the partition plate (3) and the inner bottom wall of the cabinet body (1), a current sensor (6) is arranged in the installation space (5), the cable (4) penetrates through a ring hole of the current sensor (6), a cable penetrating groove for the cable (4) to penetrate through is arranged on the partition plate (3), an installation seat (2) is arranged on the partition plate (3), one end of the cable (4) penetrating through the partition plate (3) penetrates into the installation seat (2), a transition cable (9) penetrates through the installation seat (2), and the transition cable (9) corresponds to one end of the cable (4) penetrating into the installation seat (2), transition cable (9) are connected with the air circuit breaker in the cabinet body (1), the inside hollow and block of mount pad (2) has conducting block (14), conducting block (14) can the level freely slide in mount pad (2), conducting block (14) are driven its orientation of keeping away from transition cable (9), cable (4) by drive unit and are removed.
2. The intelligent power monitoring terminal according to claim 1, wherein the translation unit comprises a sliding rod (13) horizontally and fixedly connected to a conductive block (14) and made of an insulating material, the sliding rod (13) slides out of the mounting seat (2) and one end of the sliding rod, which penetrates out of the mounting seat (2), is sleeved with a floating ring (11), the floating ring (11) is made of a magnetic conductive material, an electromagnet (12) is arranged on the outer wall of the mounting seat (2), the electromagnet (12) is matched with the floating ring (11) in use and a first spring (10) is arranged between the electromagnet (12) and the floating ring (11), the first spring (10) is sleeved on the sliding rod (13) and two ends of the sliding rod in the elastic direction elastically abut against the electromagnet (12) and the floating ring (11) respectively.
3. The intelligent power monitoring terminal according to claim 1, wherein a cable straightening unit is arranged in the installation space (5), the cable straightening unit comprises a support (8) arranged in the installation space (5), a pull rod (15) is arranged on the support (8) in a penetrating mode in a horizontal sliding mode, a mounting frame (16) is arranged at one end of the pull rod (15), a rotating wheel (7) is connected to the mounting frame (16) in a rotating mode, one end, penetrating out of the current sensor (6), of the cable (4) is wound on the rotating wheel (7), the pull rod (15) is driven by an elastic driving structure to move towards a direction far away from the current sensor (6), and the cable (4) is stretched.
4. The intelligent power monitoring terminal according to claim 3, wherein a cable end clamping structure is arranged on the outer wall of the cabinet body (1), the cable end clamping structure comprises a clamping portion fixedly connected to the outer wall of the cabinet body (1), the clamping portion comprises a cylindrical section (22) and a circular truncated cone section (23), the cylindrical section (22) is fixedly connected to the cabinet body (1), the circular truncated cone section (23) is coaxial with the cylindrical section (22), the outer diameters of the circular truncated cone section (23) are sequentially increased in a direction away from the cabinet body (1), a cable clamping hole (25) in a through hole form is coaxially formed in the circular truncated cone section (23), a plurality of strip-shaped notches (24) communicated with the cable clamping holes (25) are formed in the outer wall of the circular truncated cone section (23) along the axial direction of the outer wall, the strip-shaped notches (24) extend to the cylindrical section (22), a threaded sleeve (21) is sleeved on the cylindrical section (22), the thread bush (21) is provided with a conical groove (20) matched with the circular truncated cone section (23), and the circular truncated cone section (23) is clamped in the conical groove (20).
5. The intelligent power monitoring terminal according to claim 3, wherein the elastic driving structure comprises a limit nut (19) sleeved at one end of the pull rod (15) far away from the rotating wheel (7), a second spring (18) is sleeved on the pull rod (15), and the second spring (18) elastically abuts against the limit nut (19).
6. The intelligent power monitoring terminal according to claim 5, wherein a sliding sleeve (17) is arranged on the support (8) in a penetrating manner, and the pull rod (15) is arranged on the sliding sleeve (17) in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210595464.6A CN115085156A (en) | 2022-05-30 | 2022-05-30 | Intelligent electric power monitoring terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210595464.6A CN115085156A (en) | 2022-05-30 | 2022-05-30 | Intelligent electric power monitoring terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115085156A true CN115085156A (en) | 2022-09-20 |
Family
ID=83250043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210595464.6A Pending CN115085156A (en) | 2022-05-30 | 2022-05-30 | Intelligent electric power monitoring terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115085156A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116741597A (en) * | 2023-06-16 | 2023-09-12 | 国网黑龙江省电力有限公司营销服务中心 | Household power load monitoring device |
| CN118425618A (en) * | 2024-05-17 | 2024-08-02 | 安徽埃克森科技集团有限公司 | Cable insulation testing device |
| CN118425618B (en) * | 2024-05-17 | 2024-11-08 | 安徽埃克森科技集团有限公司 | Cable insulation testing device |
-
2022
- 2022-05-30 CN CN202210595464.6A patent/CN115085156A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116741597A (en) * | 2023-06-16 | 2023-09-12 | 国网黑龙江省电力有限公司营销服务中心 | Household power load monitoring device |
| CN116741597B (en) * | 2023-06-16 | 2024-01-09 | 国网黑龙江省电力有限公司营销服务中心 | Household power load monitoring device |
| CN118425618A (en) * | 2024-05-17 | 2024-08-02 | 安徽埃克森科技集团有限公司 | Cable insulation testing device |
| CN118425618B (en) * | 2024-05-17 | 2024-11-08 | 安徽埃克森科技集团有限公司 | Cable insulation testing device |
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