CN211061613U - Mobile low-voltage power grid running state on-line monitoring device - Google Patents
Mobile low-voltage power grid running state on-line monitoring device Download PDFInfo
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- CN211061613U CN211061613U CN201921363197.XU CN201921363197U CN211061613U CN 211061613 U CN211061613 U CN 211061613U CN 201921363197 U CN201921363197 U CN 201921363197U CN 211061613 U CN211061613 U CN 211061613U
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Abstract
The utility model discloses a portable low voltage electric wire netting running state on-line monitoring device, monitor unit and handheld device on line including low voltage electric wire netting running state, the mounting groove has been seted up to one side of handheld device, fixed mounting has the fixed block on one side inner wall of mounting groove, and one side slidable mounting of fixed block has the slide bar, rotates on the slide bar and installs signal antenna, and signal antenna is scalable, and low voltage electric wire netting running state on-line monitoring unit is equipped with the host computer, gets current equipment, gets voltage equipment and measuring point, is equipped with central processing ware board, power sampling board, liquid crystal display panel and communication board on the host computer, get current equipment and get voltage equipment all with host computer electric connection, be equipped with the memory on the host computer. The utility model discloses simple structure, the simple operation can gain the pertinence data through the running state of monitoring each branch circuit in the low-voltage transformer district, is convenient for control branch circuit, has improved maneuverability.
Description
Technical Field
The utility model relates to a monitoring facilities technical field especially relates to portable low voltage electric wire netting running state on-line monitoring device.
Background
The rated voltage of the low-voltage line is 1kV or below. The low-voltage line comprises a low-voltage overhead line, a low-voltage overhead insulated line, a low-voltage cable line and an indoor distribution line, is used for directly transmitting electric energy to low-voltage electric equipment, and is an important component of a low-voltage distribution system (see low-voltage distribution).
At present, the monitoring of the running state of the low-voltage power grid in the Shanghai area is mainly realized by a distribution room general table and a load monitor, and although the data of the overall running condition of each low-voltage distribution room can be obtained, the running state of each branch line in the low-voltage distribution room cannot obtain targeted data.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a mobile low-voltage power grid operation state online monitoring device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
portable low voltage electric wire netting running state on-line monitoring device, including low voltage electric wire netting running state on-line monitoring unit and handheld device, the mounting groove has been seted up to one side of handheld device, fixed mounting has the fixed block on one side inner wall of mounting groove, and one side slidable mounting of fixed block has the slide bar, rotate on the slide bar and install signal antenna, and signal antenna is scalable, be equipped with the host computer on the low voltage electric wire netting running state on-line monitoring unit, get current equipment, get voltage equipment and measuring point, be equipped with central processing ware board, power sampling board, liquid crystal display panel and communication board on the host computer, get current equipment and get voltage equipment all with host computer electric connection, be equipped with the memory on the host computer, get current equipment and get voltage equipment all with measuring point electric connection, handheld device and memory electric connection.
Preferably, one side fixed mounting of handheld device has the display screen, and one side fixed mounting of handheld device has button and two adjusting knobs, convenient operation improves the feasibility of practising.
Preferably, the spout has been seted up to one side of fixed block, and slidable mounting has same slide on the bottom inner wall of spout and the top inner wall, one side of slide bar extend to in the spout and with one side fixed connection of slide, for the work of accomodating of convenient signal antenna, can not occupation space.
Preferably, a through hole is formed in the signal antenna, a bearing is fixedly mounted in the through hole, one side of the sliding rod penetrates through an inner ring of the bearing and is welded with the inner ring of the bearing, the length of the signal antenna can be adjusted, and the signal intensity of the signal antenna can be improved.
Preferably, the central processing unit is mainly used for collecting and calculating power quality parameters, processing data, storing data and analyzing protocols.
Preferably, the measuring point is a measuring point of a branch line, and the current taking device is an open type current sensor.
Preferably, the input current and the input voltage of the low-voltage power grid operation state online monitoring unit are three-phase input current and three-phase input voltage respectively.
Compared with the prior art, the beneficial effects of the utility model are that: the detection unit has the functions of three-phase input voltage and three-phase input current, can perform sampling calculation on voltage, current and power grid frequency, can obtain a phase angle, zero sequence current, zero sequence voltage, active and reactive power and power factor of each phase, and total three-phase active and reactive power and power factor between each phase voltage and current through calculation, can store the measured branch line data in the memory, can access the memory at the mobile terminal through the arranged handheld equipment, and can obtain targeted data by monitoring the running state of each branch line in the low-voltage platform area, so that the branch line can be controlled conveniently, and the operability is improved;
through the arranged open type current sensor, the current-taking equipment can detect the current information of the branch circuit and simultaneously send the current information to the host, the current information is stored in the memory through the host, and the mobile terminal can access data in the memory through the arranged handheld equipment, so that the operability is high;
the utility model discloses simple structure, the simple operation can gain the pertinence data through the running state of monitoring each branch circuit in the low-voltage transformer district, is convenient for control branch circuit, has improved maneuverability.
Drawings
Fig. 1 is a three-dimensional view of a structural part of a handheld device of the mobile online monitoring device for the operation state of the low-voltage power grid of the present invention;
fig. 2 is a schematic structural diagram of a handheld device of the mobile online monitoring device for the operation state of the low-voltage power grid according to the present invention;
fig. 3 is an enlarged view of a part a of the structure in fig. 2 of the mobile online monitoring device for the operation state of the low-voltage power grid according to the present invention;
fig. 4 is a block diagram of the mobile low-voltage grid operation state online monitoring device provided by the utility model.
In the figure: the device comprises a handheld device 1, a display screen 2, a press disc 3, an adjusting button 4, a mounting groove 5, a fixing block 6, a sliding groove 7, a sliding rod 8, a signal antenna 9 and a bearing 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, the mobile online monitoring device for the low-voltage power grid running state comprises an online monitoring unit for the low-voltage power grid running state and a handheld device 1, wherein a mounting groove 5 is formed in one side of the handheld device 1, a fixing block 6 is fixedly mounted on the inner wall of one side of the mounting groove 5, a sliding rod 8 is slidably mounted on one side of the fixing block 6, a signal antenna 9 is rotatably mounted on the sliding rod 8 and is telescopic, a host, a current-taking device, a voltage-taking device and a measuring point are arranged on the online monitoring unit for the low-voltage power grid running state, a central processor board, a power sampling board, a liquid crystal display panel and a communication board are arranged on the host, the current-taking device and the voltage-taking device are both electrically connected with the host, a memory is arranged on the host, the current-taking device and the voltage-taking, The three-phase input current function can sample and calculate voltage, current and power grid frequency, phase angle, zero sequence current, zero sequence voltage, active and reactive power and power factor of each phase, total active and reactive power and power factor of three phases between each phase voltage and current can be obtained through calculation, a detection unit can store measured branch line data on a memory, the memory is accessed at a mobile terminal through a set handheld device 1, targeted data can be obtained by monitoring the running state of each branch line in a low-voltage station area, the branch lines are convenient to control, operability is improved, a current device can detect the current information of the branch lines and simultaneously send the current information to a host through a set open type current sensor, the current device is stored on the memory through the host, and the mobile terminal can access the data on the memory through the set handheld device 1, maneuverability is strong, the utility model discloses simple structure, the simple operation can gain the data of pertinence through the running state of each branch circuit in the low-voltage transformer platform district of monitoring, is convenient for control branch circuit, has improved maneuverability.
In the utility model, one side of the hand-held device 1 is fixedly provided with the display screen 2, and one side of the hand-held device 1 is fixedly provided with the press disc 3 and two adjusting buttons 4, thereby facilitating the operation and improving the practicability, one side of the fixed block 6 is provided with the chute 7, and the bottom inner wall and the top inner wall of the chute 7 are provided with the same sliding plate in a sliding way, one side of the sliding rod 8 extends into the chute 7 and is fixedly connected with one side of the sliding plate, so as to facilitate the storage work of the signal antenna 9, the signal antenna 9 is provided with a through hole, and the through hole is internally and fixedly provided with the bearing 10, one side of the sliding rod 8 penetrates through the inner ring of the bearing and is welded with the inner ring of the bearing, the length of the signal antenna 9 can be adjusted, the signal intensity of the signal antenna 9 can be improved, the central processing unit version is, the measuring point is a measuring point of a branch circuit, the current taking equipment is an open type current sensor, the input current and the input voltage of the low-voltage power grid running state on-line monitoring unit are respectively three-phase input current and three-phase input voltage, the detecting unit has the functions of three-phase input voltage and three-phase input current and can carry out sampling calculation on the voltage, the current and the power grid frequency, the phase angle, the zero sequence current, the zero sequence voltage, the active and reactive power and the power factor of each phase and the total active and reactive power and the power factor of three phases between each phase voltage and current can be obtained through calculation, the detecting unit can store the measured branch circuit data on a memory, the memory is accessed at a mobile terminal through the arranged handheld equipment 1, the targeted data can be obtained by monitoring the running state of each branch circuit in a low-voltage station area, and the branch circuit is convenient to control, the utility model provides high maneuverability, through the open type current sensor who sets up, send for the host computer when getting current equipment and can detecting the current information of branch road circuit, through the host computer storage on the memory, remove the end and visit the data on the memory through the handheld device 1 that sets up, maneuverability is strong, the utility model discloses simple structure, the simple operation can gain the data of pertinence through the running state of monitoring each branch circuit in the low-voltage transformer district, is convenient for control branch road, has improved maneuverability.
The working principle is as follows: when the device is used, the detection unit has the functions of three-phase input voltage and three-phase input current, the voltage, the current and the power grid frequency can be sampled and calculated through the arranged open type current sensor and the voltage obtaining equipment, the phase angle, the zero sequence current, the zero sequence voltage, the active power and the reactive power of each phase, the power factor and the total active power and the reactive power of three phases and the power factor of each phase between each phase voltage and each current can be obtained through calculation, the detection unit can store the measured branch line data on the memory, the memory is accessed at the mobile end through the arranged handheld equipment 1, the signal antenna 9 can be stored in the mounting groove 5 through the fixed block 6 and the sliding rod 8 arranged at one side of the handheld equipment 1 when the device is not used, the occupied space is small, the carrying is convenient, and the signal antenna 9 can be stored and stretched through the rotary connection relation of the signal antenna 9 and the sliding rod 8, the intensity of signals which can be received by the signal antenna 9 is improved, the accuracy of detection data is improved, targeted data can be obtained by monitoring the running state of each branch line in the low-voltage station area, the branch lines are convenient to control, and the operability is improved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. Mobile low-voltage power grid running state on-line monitoring device, including low-voltage power grid running state on-line monitoring unit and handheld device (1), its characterized in that, mounting groove (5) have been seted up to one side of handheld device (1), fixed mounting has fixed block (6) on the one side inner wall of mounting groove (5), and one side slidable mounting of fixed block (6) has slide bar (8), rotate on slide bar (8) and install signal antenna (9), and signal antenna is scalable, be equipped with the host computer on the low-voltage power grid running state on-line monitoring unit, get current equipment, get voltage equipment and measuring point, be equipped with central processing ware board, power sampling board, liquid crystal display panel and communication board on the host computer, get current equipment and get voltage equipment and all with host computer electric connection, be equipped with the memory on the host computer, get current equipment and get voltage equipment and all with measuring point electric connection, the handheld device (1) is electrically connected with the memory.
2. The mobile online monitoring device for the operating state of the low-voltage power grid according to claim 1, wherein a display screen (2) is fixedly installed on one side of the handheld device (1), and a press disc (3) and two adjusting buttons (4) are fixedly installed on one side of the handheld device (1).
3. The mobile online monitoring device for the operating state of the low-voltage power grid according to claim 1, wherein a sliding groove (7) is formed in one side of the fixed block (6), the same sliding plate is slidably mounted on the inner wall of the bottom and the inner wall of the top of the sliding groove (7), and one side of the sliding rod (8) extends into the sliding groove (7) and is fixedly connected with one side of the sliding plate.
4. The mobile online monitoring device for the operating state of the low-voltage power grid according to claim 1, wherein the signal antenna (9) is provided with a through hole, a bearing (10) is fixedly installed in the through hole, and one side of the sliding rod (8) penetrates through an inner ring of the bearing and is welded with the inner ring of the bearing.
5. The mobile online monitoring device for the operating state of the low-voltage power grid according to claim 1, wherein the central processor is mainly used for collecting and calculating power quality parameters, processing data, storing data and analyzing protocols.
6. The mobile online monitoring device for the operating state of the low-voltage power grid according to claim 1, wherein the measuring point is a measuring point of a branch line, and the current-taking device is an open-type current sensor.
7. The mobile online monitoring device for the operation state of the low-voltage power grid according to claim 1, wherein the input current and the input voltage of the online monitoring unit for the operation state of the low-voltage power grid are three-phase input current and three-phase input voltage, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921363197.XU CN211061613U (en) | 2019-08-21 | 2019-08-21 | Mobile low-voltage power grid running state on-line monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921363197.XU CN211061613U (en) | 2019-08-21 | 2019-08-21 | Mobile low-voltage power grid running state on-line monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211061613U true CN211061613U (en) | 2020-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921363197.XU Active CN211061613U (en) | 2019-08-21 | 2019-08-21 | Mobile low-voltage power grid running state on-line monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211061613U (en) |
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2019
- 2019-08-21 CN CN201921363197.XU patent/CN211061613U/en active Active
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