CN212114891U - Remote control device for electrical equipment - Google Patents
Remote control device for electrical equipment Download PDFInfo
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- CN212114891U CN212114891U CN202020568114.7U CN202020568114U CN212114891U CN 212114891 U CN212114891 U CN 212114891U CN 202020568114 U CN202020568114 U CN 202020568114U CN 212114891 U CN212114891 U CN 212114891U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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Abstract
The utility model relates to an electrical equipment's remote control device is through installing electrical equipment additional in box-type substation to adopt relay and contactor to insert measurement and control device, utilize measurement and control device control relay and contactor and then control the break-make between electrical equipment and the external power source, realized remote control electrical equipment's start-up and stop, need not user field control, convenient to use.
Description
Technical Field
The utility model relates to a control circuit field especially relates to electrical equipment's remote control device.
Background
The box-type substation is a compact type distribution device which is formed by integrating high-voltage switch equipment, a distribution transformer and a low-voltage distribution device according to a certain wiring scheme. In general, some electrical equipment, such as an air conditioner, is installed in the box substation in order to assist the operation of the box substation. When the temperature in the box-type transformer substation is too high, the air conditioner can effectively cool the box-type transformer, and normal work of internal equipment of the box-type transformer substation is prevented from being influenced by the high temperature. However, the common air conditioner is additionally arranged in the box-type substation at present, operation and maintenance personnel need to start or close the air conditioner on site every time, and the use is inconvenient.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a remote control device for electrical equipment, aiming at the problem that the common air conditioner needs to be turned on or off every time an operation and maintenance worker needs to turn on or turn off the air conditioner on site and the use is inconvenient when the common air conditioner is additionally installed in a box-type substation.
A remote control apparatus of an electrical device provided in a box-type substation, the remote control apparatus comprising:
the measurement and control device is arranged in the box-type substation and comprises a first outlet node and a second outlet node;
the relay comprises a relay coil and a normally closed contact connected with the relay coil, and the relay coil is connected with the first open node in series to form a stop control loop;
the contactor comprises a contactor coil and a contactor contact, the contactor coil, the normally closed contact of the relay and the second open node are connected in series to form a starting control loop, and the starting control loop is connected with the stopping control loop in parallel;
the stop control loop and the start control loop are connected with a power supply loop of the electrical equipment through the contactor contact, and the contactor contact controls the on-off of the power supply loop and an external power supply.
In one embodiment, the electrical equipment includes any one of an air conditioner, a fan, and a water pump.
In one embodiment, when the electrical equipment is an air conditioner, the remote control device of the electrical equipment further comprises a temperature sensor, which is arranged in the box-type substation, connected with the measurement and control device, and used for detecting the real-time temperature of the box-type substation and transmitting the real-time temperature to the measurement and control device.
In one embodiment, the monitoring device further comprises a main control device connected with the measurement and control device and used for issuing a control instruction to the measurement and control device.
In one embodiment, the measurement and control device comprises a first communication unit, the main control device comprises a second communication unit, and the measurement and control device and the main control device communicate through the first communication unit and the second communication unit.
In one embodiment, the main control device includes a control unit, connected to the second communication unit, and configured to receive the real-time temperature and compare the real-time temperature with a preset temperature.
In one embodiment, when the electrical equipment is an air conditioner, the remote control device of the electrical equipment further comprises a humidity sensor, the humidity sensor is arranged in the box-type substation, is connected with the measurement and control device, and is used for detecting the real-time humidity of the box-type substation and transmitting the real-time humidity to the measurement and control device, and the measurement and control device sends the real-time humidity to the main control device;
and the control unit of the main control device receives the real-time humidity and compares the real-time humidity with a preset humidity.
In one embodiment, the master control device further comprises an instruction generation unit connected to the control unit;
when the control unit judges that the real-time temperature is greater than or equal to a preset temperature and/or the real-time humidity is greater than or equal to a preset humidity, the control unit controls the instruction generating unit to generate a starting instruction and sends the starting instruction to the measurement and control device, and the measurement and control device controls the second outlet node to be closed according to the starting instruction;
when the control unit judges that the real-time temperature is smaller than the preset temperature and/or the real-time humidity is smaller than the preset humidity, the control unit controls the instruction generation unit to generate a stopping instruction, the stopping instruction is sent to the measurement and control device, and the measurement and control device controls the first opening node to be closed according to the stopping instruction.
In one embodiment, the main control device further includes a storage unit, connected to the control unit, and configured to store the preset temperature and the preset humidity.
In one embodiment, the main control device further includes a key unit connected to the control unit, and the control unit is configured to receive a start signal or a stop signal sent by the key unit, and control the instruction generation unit to generate a corresponding start instruction or stop instruction.
The remote control device of the electrical equipment provided by the embodiment is characterized in that the electrical equipment is additionally arranged in the box-type substation, the relay and the contactor are connected into the measurement and control device, the measurement and control device is used for controlling the relay and the contactor so as to control the on-off between the electrical equipment and an external power supply, the remote control electrical equipment is started and stopped, the field control of a user is not needed, and the remote control device is convenient to use.
Drawings
Fig. 1 is a schematic structural diagram of a remote control device for electrical equipment according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a remote control device for electrical equipment according to another embodiment of the present application;
fig. 3 is a block diagram illustrating a remote control device of an electrical apparatus according to an embodiment of the present application.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Conventionally, in order to assist the operation of the box-type substation, some electrical equipment, such as an air conditioner, is installed in the box-type substation. The air conditioner can directly select an industrial air conditioner with a communication interface, is locally connected into the measurement and control device of the box-type substation through a communication cable and is controlled by the measurement and control device of the box-type substation, but the industrial air conditioner is high in cost, and the use cost is greatly increased by adopting the industrial air conditioner along with the wide use of the box-type substation. When the traditional common air conditioner is used each time, operation and maintenance personnel are required to operate on the site of the box-type substation, and the use is inconvenient.
Therefore, to above-mentioned technical problem, the application provides a remote control device of electrical equipment for the operation and maintenance personnel can remote control the electrical equipment in the box-type substation under the condition of limiting cost.
One embodiment of the present application provides a remote control apparatus of electrical equipment, wherein the electrical equipment is installed in a box-type substation. The box-type transformer substation is indoor and outdoor compact distribution equipment which is integrated according to a certain wiring scheme, namely, the functions of transformer voltage reduction, low-voltage distribution and the like are organically combined together and installed in a moisture-proof, rust-proof, dust-proof, rat-proof, fire-proof, anti-theft, heat-insulating, totally-enclosed and movable steel structure box, so that the box-type transformer substation is particularly suitable for urban network construction and transformation and is a brand-new transformer substation grown up after civil transformer substations. The box-type transformer substation is suitable for mines, factory enterprises, oil-gas fields, wind power stations and the like, replaces the original civil power distribution room and becomes a novel complete set of transformation and distribution device. In this embodiment, the electrical devices installed in the box-type substation may be air conditioners, fans, water pumps, etc., and in order to reduce the use cost, the air conditioners in this embodiment are all ordinary air conditioners rather than industrial air conditioners.
As shown in fig. 1, the remote control device of the electrical equipment includes a measurement and control device, a relay, and a contactor. The measurement and control device is arranged in the box-type substation and integrates the functions of protection, measurement and control, communication and the like. The measurement and control device includes a first output node 110 and a second output node 120, and the measurement and control device can control the connection and disconnection of the first output node 110 and the second output node 120. Specifically, when the measurement and control device outputs a low level signal (or a high level signal), the first output node 110 and the second output node 120 are controlled to be connected, and when the measurement and control device outputs a high level signal (or a low level signal), the first output node 110 and the second output node 120 are controlled to be disconnected.
The relay includes a relay coil 210 and a normally closed contact 220, the normally closed contact 220 being closed when the relay coil 210 is de-energized, and the normally closed contact 220 being open when the relay coil 210 is energized. The relay coil 210 is connected in series with the first open node 110 to form a stop control loop, and the stop control loop is used for controlling the electrical equipment to stop working. The stop loop is connected to the power supply loop of the electrical device, that is, one end of the first open node 110 is connected to the live wire of the power supply loop, the other end is connected to one end of the relay coil 210, and the other end of the relay coil 210 is connected to the neutral wire of the power supply loop.
The contactor includes a contactor coil 310 and a contactor contact 320, when the contactor coil 310 is energized, the controllable contactor contact 320 is turned on, and when the contactor coil 310 is de-energized, the controllable contactor contact 320 is turned off. The contactor coil 310, the normally closed contact 220 of the relay and the second open node 120 are connected in series to form a start control loop, and the start control loop is used for controlling the start of the electrical equipment. The start control loop is connected in parallel with the stop control loop, that is, one end of the second output node 120 is connected to one end of the first output node 110 and the live wire of the power circuit, the other end is connected to the contactor coil 310, the other end of the contactor coil 310 is connected to one end of the normally closed contact 220, and the other end of the normally closed contact 220 is connected to the neutral wire of the power circuit.
Further, as shown in fig. 2, the stop control circuit and the start control circuit are both connected to the power supply circuit of the electrical device through the contactor contact 320, and the contactor contact 320 controls the connection and disconnection between the power supply circuit and the external power supply. In this embodiment, the power supply circuit may be understood as a socket of the electrical device, and the external power supply may be mains power. When the contactor contacts 320 are closed, the socket of the electrical device is connected to the external power source, the electrical device is powered on, and when the contactor contacts 320 are closed, the socket of the electrical device is disconnected from the external power source, and the electrical device is powered off.
In the initial state, the relay coil 210 and the contactor coil 310 are not electrified, that is, the normally closed contact 220 remains on, and the contactor contact 320 is off. When the measurement and control equipment receives the starting instruction, the measurement and control equipment controls the second opening node 120 to be conducted and controls the first opening node 110 to be disconnected, the relay coil 210 is not electrified, so that the normally closed contact 220 is also in a conducting state, the starting control loop is conducted, the contactor coil 310 is electrified, and the starting control loop is kept conducted through the self-holding node. The contactor coil 310 further controls the contactor contact 320 to be conducted, so that the power circuit of the electrical device can be communicated with an external power supply through the contactor contact 320, and the electrical device can start to work. When the measurement and control equipment receives the stop instruction, the measurement and control equipment controls the first opening node 110 to be conducted, the control loop is stopped to be conducted, the relay coil 210 is electrified, the normally closed contact 220 is disconnected, the start control loop is disconnected, the contactor coil 310 is de-electrified, the contactor contact 320 is disconnected, the power supply loop of the electrical equipment is disconnected with an external power supply, and the electrical equipment stops working.
The remote control device of the electrical equipment provided by the embodiment is characterized in that the electrical equipment is additionally arranged in the box-type substation, the relay and the contactor are connected into the measurement and control device, the measurement and control device is used for controlling the relay and the contactor so as to control the on-off between the electrical equipment and an external power supply, the remote control electrical equipment is started and stopped, the field control of a user is not needed, and the remote control device is convenient to use.
In one embodiment, the remote control device of the electrical equipment further comprises a master control device connected with the measurement and control device in the acquaintance substation. The main control device can be a remote operation terminal, and operation and maintenance personnel can remotely control the measurement and control device in the box-type substation on the main control device.
Specifically, as shown in fig. 3, the measurement and control device includes a first communication unit 130, the main control device includes a second communication unit 410, and the measurement and control device and the main control device are in communication connection through the first communication unit 130 and the second communication unit 410. The main control device is configured to issue a start instruction or a stop instruction, the first communication unit 130 sends the start instruction or the stop instruction to the second communication unit 410, and the measurement and control device controls the on/off of the first output node 110 and the second output node 120 according to the received start instruction or stop instruction.
The electrical equipment can be an air conditioner in this embodiment, and the remote control device of the electrical equipment further comprises a temperature sensor, is arranged in the box-type substation and is connected with the measurement and control device. The temperature sensor is used for detecting the real-time temperature in the box-type substation and sending the real-time temperature to the measurement and control device. The measurement and control device sends the real-time temperature in the box-type substation to the main control device, and the main control device judges whether the air conditioner needs to be started or closed according to the real-time temperature. The air conditioner is started and stopped by adopting the master control device to remotely control the air conditioner, operation convenience can be improved, and the air conditioner is a common air conditioner, and can reduce cost compared with an industrial air conditioner.
Further, the master control apparatus includes a control unit 420 and an instruction generating unit 430 connected to the control unit 420. The control unit 420 is further connected to the second communication unit 410 for receiving the real-time temperature of the box substation and comparing the real-time temperature with a preset temperature. The preset temperature is the temperature at which equipment in the box-type transformer substation can normally work. The preset temperature may be a specific temperature value or a preset temperature range. When the preset temperature is a specific temperature value, if the real-time temperature is greater than or equal to the preset temperature, the control unit 420 controls the instruction generation unit 430 to generate a start instruction, and sends the start instruction to the measurement and control device through the second communication unit 410. The measurement and control device controls the second output node 120 to close according to the starting instruction. If the real-time temperature is lower than the preset temperature, the control unit 420 controls the instruction generating unit 430 to generate a stop instruction, and issues the stop instruction to the measurement and control device through the second communication unit 410. The measurement and control device controls the first output node 110 to be closed according to the stop instruction. Note that the manner in which the instruction generation unit 430 generates the start instruction and the stop instruction according to the control of the control device 420 can be implemented by a known technique.
In one embodiment, when the electrical equipment is an air conditioner, the remote control device of the electrical equipment further comprises a humidity sensor which is arranged in the box-type substation and connected with the measurement and control device. The humidity sensor is used for detecting real-time humidity in the box-type substation and transmitting the real-time humidity to the measurement and control device, and the measurement and control device sends the real-time humidity to the main control device through the first communication unit 130 after receiving the real-time humidity. The control unit 420 of the main control device receives the real-time humidity and then compares the real-time humidity with the preset humidity, if the real-time humidity is greater than or equal to the preset humidity, the control instruction generation unit 430 generates a start instruction to start the air conditioner, and if the real-time humidity is less than the preset humidity, the instruction generation unit 430 generates a stop instruction to stop the air conditioner. The working mode of the measurement and control device for controlling the start and stop of the air conditioner according to the start instruction and the stop instruction is the same as the above, and is not described again here.
It is understood that the main control device further includes a storage unit 440 for storing a preset temperature and a preset humidity.
In one embodiment, the main control device further comprises a key unit 450, wherein the key unit 450 comprises a start key and a stop key, and the start key and the stop key are both connected to the control unit 420. The control unit 420 is configured to receive a start signal of the start key or a stop signal of the stop key, and control the instruction generating unit 430 to generate a corresponding start instruction or stop instruction, and issue the start instruction or stop instruction to the measurement and control device through the second communication unit 410, so that the measurement and control device controls start and stop of the air conditioner, and further, the operation and maintenance staff can remotely control the air conditioner in the box-type substation through operating the start key or the stop key.
According to the remote control device for the electrical equipment provided by the embodiment, the main control device is adopted to remotely control the measurement and control device, the measurement and control device controls the on-off of the first outgoing node 110 and the second outgoing node 120 so as to control the on-off of the electrical equipment and an external power supply, when the measurement and control device controls the conduction of the second outgoing node 120, the control loop is started to conduct, then the electrical equipment is powered on, and when the measurement and control device controls the conduction of the first outgoing node 110, the control loop is stopped to conduct, and then the electrical equipment is powered off. Therefore, the main control device can remotely control the electrical equipment in the box-type substation, operation and maintenance personnel are prevented from needing on-site control, and the operation convenience of the electrical equipment is greatly improved.
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 represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A remote control device for electrical equipment, the electrical equipment being provided in a box-type substation, comprising:
the measurement and control device is arranged in the box-type substation and comprises a first outlet node and a second outlet node;
the relay comprises a relay coil and a normally closed contact connected with the relay coil, and the relay coil is connected with the first open node in series to form a stop control loop;
the contactor comprises a contactor coil and a contactor contact, the contactor coil, the normally closed contact of the relay and the second open node are connected in series to form a starting control loop, and the starting control loop is connected with the stopping control loop in parallel;
the stop control loop and the start control loop are connected with a power supply loop of the electrical equipment through the contactor contact, and the contactor contact controls the on-off of the power supply loop and an external power supply.
2. The remote control apparatus for electric equipment according to claim 1, wherein the electric equipment includes any one of an air conditioner, a blower fan, and a water pump.
3. The remote control device for the electrical equipment according to claim 2, wherein when the electrical equipment is an air conditioner, the remote control device for the electrical equipment further comprises a temperature sensor, which is arranged in the box-type substation, is connected with the measurement and control device, and is used for detecting the real-time temperature of the box-type substation and transmitting the real-time temperature to the measurement and control device.
4. The remote control device of the electrical equipment according to claim 3, further comprising a master control device connected to the measurement and control device for issuing a control command to the measurement and control device.
5. The remote control device of an electrical apparatus of claim 4, wherein the measurement and control device comprises a first communication unit, the main control device comprises a second communication unit, and the measurement and control device and the main control device communicate through the first communication unit and the second communication unit.
6. The remote control device of an electrical apparatus of claim 5, wherein the master control device comprises a control unit connected to the second communication unit for receiving the real-time temperature and comparing the real-time temperature with a preset temperature.
7. The remote control device of the electrical equipment according to claim 6, wherein when the electrical equipment is an air conditioner, the remote control device of the electrical equipment further comprises a humidity sensor, which is arranged in the box-type substation, is connected with the measurement and control device, is used for detecting the real-time humidity of the box-type substation, and transmits the real-time humidity to the measurement and control device, and the measurement and control device transmits the real-time humidity to the main control device;
and the control unit of the main control device receives the real-time humidity and compares the real-time humidity with a preset humidity.
8. The remote control apparatus for electric devices according to claim 7, wherein the main control apparatus further comprises an instruction generating unit connected to the control unit;
when the control unit judges that the real-time temperature is greater than or equal to a preset temperature and/or the real-time humidity is greater than or equal to a preset humidity, the control unit controls the instruction generating unit to generate a starting instruction and sends the starting instruction to the measurement and control device, and the measurement and control device controls the second outlet node to be closed according to the starting instruction;
when the control unit judges that the real-time temperature is smaller than the preset temperature and/or the real-time humidity is smaller than the preset humidity, the control unit controls the instruction generation unit to generate a stopping instruction, the stopping instruction is sent to the measurement and control device, and the measurement and control device controls the first opening node to be closed according to the stopping instruction.
9. The remote control apparatus for electric devices of claim 8, wherein the main control apparatus further comprises a storage unit connected to the control unit for storing the preset temperature and the preset humidity.
10. The remote control device of an electrical apparatus according to claim 9, wherein the main control device further comprises a key unit connected to the control unit, and the control unit is configured to receive a start signal or a stop signal sent by the key unit and control the instruction generation unit to generate a corresponding start instruction or stop instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020568114.7U CN212114891U (en) | 2020-04-16 | 2020-04-16 | Remote control device for electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020568114.7U CN212114891U (en) | 2020-04-16 | 2020-04-16 | Remote control device for electrical equipment |
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| CN212114891U true CN212114891U (en) | 2020-12-08 |
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| CN202020568114.7U Active CN212114891U (en) | 2020-04-16 | 2020-04-16 | Remote control device for electrical equipment |
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Address after: 210046 Longtan Logistics Base No. 3-100, No. 1 Shugang Road, Longtan Street, Qixia District, Nanjing City, Jiangsu Province Patentee after: GCL Green Energy System Technology Co.,Ltd. Address before: 210046 Longtan Logistics Base No. 3-100, No. 1 Shugang Road, Longtan Street, Qixia District, Nanjing City, Jiangsu Province Patentee before: GCL ENERGY ENGINEERING CO.,LTD. |
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