Monitoring device for intelligent auxiliary equipment of unattended substation
By designing an intelligent monitoring device that integrates monitoring terminals and sensors in unattended substations, the problem of remote monitoring being unable to intuitively determine equipment status has been solved, realizing automated management and efficient operation of equipment, and improving the operating efficiency and safety of substations.
Patent Information
- Application Number
- CN202520098381.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-01-16
AI Technical Summary
Currently, unmanned substations use cameras for remote monitoring, and staff cannot visually determine whether auxiliary equipment is operating normally or has been properly handled.
Design a monitoring device for unattended substation intelligent auxiliary equipment, integrating a monitoring terminal, power distribution box and various sensors. Remote monitoring and control of the equipment are achieved through indicator lights and rotary buttons. Combined with strong and weak current circuit connections, automated management and manual operation of the equipment are realized.
It enables comprehensive monitoring and management of equipment within the substation, improving operational efficiency and safety, reducing maintenance costs, minimizing manual intervention, and possessing high reliability, allowing for timely detection and handling of anomalies.
Smart Images

Figure CN223912316U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to technical fields, concretely is a kind of monitoring device of unattended substation intelligent auxiliary equipment. BACKGROUND
[0002] Unattended substation refers to not setting fixed operation, maintenance duty personnel, and operation monitoring and main control operation are carried out by remote control terminal, and equipment takes regular patrol maintenance substation;
[0003] For example, the Chinese authorized patent (unattended substation monitoring system) with the announcement number CN215773388U includes a track, and the outer shape of the longitudinal section of the track is concave. The utility model has the advantages that the bottom end of the thermal imager body is rotatably connected with one side of the top surface of the mounting seat, the lead screw is threadedly connected with the mounting seat, the third motor is powered to operate, so as to conveniently drive the lead screw to rotate, drive the mounting seat and the thermal imager body to adjust the height, so as to conveniently realize the adjustment of the monitoring height of the thermal imager body, the electric push rod is powered to operate, so as to adjust the monitoring angle of the thermal imager body, the second motor is powered to operate, so as to drive the first gear to rotate, the first gear and the second gear are engaged, and then the connecting column and the limiting frame are driven to rotate, so as to conveniently realize the adjustment of the monitoring direction of the thermal imager body, so as to conveniently realize the multi-directional monitoring of the distribution box and the main transformer inside the substation through the thermal imager body.
[0004] However, the existing unattended substations all adopt camera remote monitoring, but the work personnel in front of the screen cannot visually judge whether the auxiliary equipment in the substation is normally running and whether it has been handled only by naked eye observation. Therefore, it does not meet the existing needs, and for this purpose, the present application provides a monitoring device for unattended substation intelligent auxiliary equipment. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of monitoring device of unattended substation intelligent auxiliary equipment, to solve the problem that the existing unattended substations all adopt camera remote monitoring, but the work personnel in front of the screen cannot visually judge whether the auxiliary equipment in the substation is normally running and whether it has been handled only by naked eye observation in the above background technology.
[0006] In order to achieve the above object, the utility model provides the following technical scheme: an unattended substation intelligent auxiliary equipment's monitoring device, include: monitoring terminal and power distribution box, the monitoring terminal includes first pilot lamp, hand automatic change -over switch, second pilot lamp, third pilot lamp and rotary button, the inside of power distribution box includes control switch, and control switch is provided with a plurality of, the control switch is installed with contactor and circuit breaker, a plurality of contactor passes through strong electric line and is electric respectively connected lamps and lanterns, drainage pump, dehumidifier, air conditioner and ventilator.
[0007] Preferably, the plurality of contactors are electrically connected to the human body sensor, the water level sensor, the humidity sensor, the temperature sensor and the gas sensor through weak current lines, and the human body sensor, the water level sensor, the humidity sensor, the temperature sensor and the gas sensor are electrically connected to the lamps and lanterns, the drainage pump, the dehumidifier, the air conditioner and the ventilator respectively.
[0008] Preferably, the monitoring terminal is provided with a first nameplate close to the front surface of the left side, and the first nameplate is provided with a plurality of first nameplates, and the plurality of first nameplates are respectively corresponding to the first pilot lamp, the hand automatic change-over switch, the second pilot lamp, the third pilot lamp and the rotary button, and the monitoring terminal is provided with a second nameplate close to the front surface of the top end.
[0009] Preferably, the second pilot lamp and the hand automatic change-over switch are provided with a signal relay, and the signal relay is electrically connected to the signal relay normally open contact through a first automatic wiring loop and a second automatic wiring loop.
[0010] Preferably, the output end of the signal relay normally open contact is electrically connected to the input end of the intermediate relay, and the signal relay normally open contact is electrically connected to the intermediate relay normally open contact through a third automatic wiring loop.
[0011] Preferably, the input end of the third pilot lamp is electrically connected to the output end of the rotary button through the contactor normally open contact.
[0012] Preferably, the rotary button is connected with the hand automatic change-over switch through a manual loop.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] (1),The utility model discloses a monitoring device of intelligent auxiliary equipment of transformer substation realizes the overall monitoring and management of various equipment in transformer substation, and the staff can know the early warning signal of sensor in transformer substation through the device, and the device can be used for remote starting equipment manually, through real -time monitoring and control, can discover and handle the abnormal situation in time, improves the operation efficiency and security of transformer substation, reduces the operation and maintenance cost, realizes the automation control of each operation in transformer substation through integrated automation system and intelligent equipment, reduces manual intervention, improves the operation efficiency, and the intelligent actuating mechanism can carry out remote control and operation to equipment according to the instruction of monitoring device, realizes quick response and fault handling, compared with other transformer substation monitoring devices, the mechanism is complex, and the cost is high, and the device is simple in structure, and the physical circuit connection is mainly, and will not be limited to network off -line or system host failure situation, and the reliability is higher, solves the remote monitoring of camera of the existing unattended transformer substation, but the staff in front of screen naked eye observation can not directly judge whether these auxiliary equipment in transformer substation is normal operation, whether the problem has been handled. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is the monitoring terminal structure schematic diagram of the utility model,
[0016] Fig. 2 It is the power distribution box structure schematic diagram of the utility model,
[0017] Fig. 3 It is the control switch secondary wiring schematic diagram of the utility model.
[0018] In the drawing: 1, monitoring terminal, 2, first indicating lamp, 3, hand automatic change-over switch, 4, second indicating lamp, 5, third indicating lamp, 6, rotary button, 7, first nameplate, 8, second nameplate, 9, power distribution box, 10, lamp, 11, drainage pump, 12, dehumidifier, 13, air conditioner, 14, ventilator, 15, human body induction sensor, 16, water level sensor, 17, humidity sensor, 18, temperature sensor, 19, gas sensor, 20, contactor normally open contact, 21, signal relay, 22, contactor, 23, circuit breaker, 24, control switch, 25, intermediate relay, 26, signal relay normally open contact, 27, intermediate relay normally open contact. DETAILED DESCRIPTION
[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0020] Please refer to Figs. 1-3 The utility model provides an embodiment: a kind of unattended substation intelligent auxiliary equipment's monitoring device, comprising: monitoring terminal 1 and power distribution box 9, monitoring terminal 1 includes first indicator light 2, hand-automatic change-over switch 3, second indicator light 4, third indicator light 5 and rotary button 6, the inside of power distribution box 9 includes control switch 24, and control switch 24 is provided with multiple, contactor 22 and circuit breaker 23 are installed in control switch 24, multiple contactors 22 are electrically connected respectively through strong electric line way lamps and lanterns 10, drainage pump 11, dehumidifier 12, air conditioner 13 and ventilator 14, substation intelligent auxiliary equipment includes but is not limited to lamps and lanterns 10, drainage pump 11, dehumidifier 12, air conditioner 13 and ventilator 14 these equipment, monitoring terminal 1 is close to the front surface of left side and is provided with first nameplate 7, and first nameplate 7 is provided with multiple, and multiple first nameplate 7 is respectively corresponding with first indicator light 2, hand-automatic change-over switch 3, second indicator light 4, third indicator light 5 and rotary button 6, monitoring terminal 1 is close to the front surface of top and is provided with second nameplate 8, multiple contactors 22 are electrically connected respectively through weak electric line way human body induction sensor 15, water level sensor 16, humidity sensor 17, temperature sensor 18 and gas sensor 19, and human body induction sensor 15, water level sensor 16, humidity sensor 17, temperature sensor 18 and gas sensor 19 are electrically connected respectively with electrically connected lamps and lanterns 10, drainage pump 11, dehumidifier 12, air conditioner 13 and ventilator 14, second indicator light 4 is provided with signal relay 21 between hand-automatic change-over switch 3, signal relay 21 is electrically connected with signal relay normally open contact 26 through first automatic wiring loop and second automatic wiring loop, the output end of signal relay normally open contact 26 is electrically connected with the input end of intermediate relay 25, signal relay normally open contact 26 is electrically connected with intermediate relay normally open contact 27 through third automatic wiring loop, the input end of third indicator light 5 is electrically connected with the output end of rotary button 6 through contactor normally open contact 20, rotary button 6 is connected with hand-automatic change-over switch 3 through manual loop, and rotary button 6 is the manual rotary button of no automatic reset;
[0021] The first nameplate 7 corresponding with first indicator light 2, hand-automatic change-over switch 3, second indicator light 4, third indicator light 5 and rotary button 6 is marked power signal light, hand-automatic switch, early warning signal light, equipment normal operation signal light and manual start-stop button, multiple second nameplate 8 is marked lamps and lanterns, drainage pump, dehumidifier, air conditioner and ventilator from left to right;
[0022] Power signal light flashes white light when bright, early warning signal light flashes red light when bright, equipment normal operation signal light flashes green light when bright, hand-automatic change-over switch 3 is in automatic state usually, manual start-stop button is in stop state usually;
[0023] The device is set in the place where the staff on duty, convenient personnel close to monitor the equipment, circuit breaker 23 and contactor 22 between the electrical secondary connection mode as follows: circuit breaker 23 is closed, the first indicator light 2 bright white light, the device on the automatic transfer switch 3 rotates to the automatic state, the equipment is in automatic operation state, control loop connected to the automatic circuit, when the signal relay 21 receives the corresponding device sensor signal, the first automatic wiring circuit signal relay 21 power on, the second indicator light 4 red light, the device on the early warning signal light red light, remind the staff in the substation equipment sensor sends early warning signal, need staff attention in the substation situation;
[0024] The second automatic wiring circuit signal relay normally open contact 26 is closed, the intermediate relay 25 is powered on, the third automatic wiring circuit intermediate relay normally open contact 27 is closed, the contactor 22 is powered on, the contactor normally open contact 20 is closed, the third indicator light 5 green light, the equipment is powered on automatically;
[0025] When the equipment runs for a period of time, the early warning problem is automatically processed, the sensor no longer sends signal, then the signal relay 21 loses power, the second indicator light 4 does not flash red light, the signal relay normally open contact 26 is disconnected, the intermediate relay 25 loses power, the intermediate relay normally open contact 27 is disconnected, the contactor 22 loses power, the contactor normally open contact 20 is disconnected, the third indicator light 5 does not flash green light;
[0026] The staff can also turn to the hand automatic transfer switch 3 to the manual state, control loop connected to the manual circuit, can remotely control the equipment operation, rotating button 6 rotates to the start position, the contactor 22 is powered on, the contactor normally open contact 20 is closed, the third indicator light 5 green light, the equipment is powered on, rotating button 6 to stop position, then the equipment stops;
[0027] The power signal light flashes white light to indicate that the power supply line of the device is normal, the pre-warning signal light flashes red light to indicate that the sensor of the device sends a pre-warning signal, reminding the staff to pay attention to the situation in the substation through the camera and to observe whether the device normal operation signal light flashes green light, the device normal operation signal light flashes green light to indicate that the device is running normally, the benefit of setting the manual loop is that when the automatic operation of the device fails, the pre-warning signal light flashes red light, and the device normal operation signal light does not flash green light, so that the staff can manually and remotely start the device to ensure the normal operation of the device, and timely deal with the problems in the substation, and the setting of the indicating light can quickly check the fault point of the power supply line, guide the staff to quickly repair and check the fault on the spot in the substation, for example, the power signal light flashes white light, the pre-warning signal light flashes red light, the hand-automatic conversion switch 3 is in the automatic state, the device normal operation signal light does not light, the hand-automatic conversion switch 3 is in the manual state, and the device normal operation signal light flashes green light, so that it is indicated that the automatic state wiring fails, the fault point can be quickly checked, and the device can also be expanded to the device buttons and signal lights of multiple substations.
[0028] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.
Claims
1. A monitoring device of an unattended substation intelligent auxiliary equipment, comprising a monitoring terminal (1) and a power distribution box (9), characterized in that: The monitoring terminal (1) includes a first indicator light (2), a hand-automatic switch (3), a second indicator light (4), a third indicator light (5) and a rotary button (6), the inside of the power distribution box (9) includes control switches (24), and the control switches (24) are provided with multiple, the control switches (24) are installed with contactors (22) and circuit breakers (23), multiple contactors (22) are electrically connected with lamps (10), drainage pumps (11), dehumidifiers (12), air conditioners (13) and ventilators (14) through strong electric lines respectively.
2. The monitoring device of the unattended substation intelligent auxiliary equipment according to claim 1, characterized in that: Multiple contactors (22) are electrically connected with human body induction sensors (15), water level sensors (16), humidity sensors (17), temperature sensors (18) and gas sensors (19) through weak electric lines respectively, and the human body induction sensors (15), water level sensors (16), humidity sensors (17), temperature sensors (18) and gas sensors (19) are electrically connected with the lamps (10), drainage pumps (11), dehumidifiers (12), air conditioners (13) and ventilators (14) respectively.
3. The monitoring device of the unattended substation intelligent auxiliary equipment according to claim 1, characterized in that: The monitoring terminal (1) is provided with first nameplates (7) close to the front surface of the left side, and the first nameplates (7) are provided with multiple, and multiple first nameplates (7) correspond to the first indicator light (2), the hand-automatic switch (3), the second indicator light (4), the third indicator light (5) and the rotary button (6) respectively, and the monitoring terminal (1) is provided with second nameplates (8) close to the front surface of the top end.
4. The monitoring device of the unattended substation intelligent auxiliary equipment according to claim 1, characterized in that: The second indicator light (4) and the hand-automatic switch (3) are provided with a signal relay (21), and the signal relay (21) is electrically connected with a signal relay normally open contact (26) through a first automatic wiring loop and a second automatic wiring loop.
5. The monitoring device of an unattended substation intelligent auxiliary equipment according to claim 4, characterized in that: The output end of the signal relay normally open contact (26) is electrically connected with the input end of an intermediate relay (25), and the signal relay normally open contact (26) is electrically connected with an intermediate relay normally open contact (27) through a third automatic wiring loop.
6. The monitoring device of an unattended substation intelligent auxiliary equipment according to claim 5, characterized in that: The input end of the third indicator light (5) is electrically connected with the output end of the rotary button (6) through a contactor normally open contact (20).
7. The monitoring device of an unattended substation intelligent auxiliary equipment according to claim 6, characterized in that: The rotary button (6) is connected with the hand-automatic switch (3) through a manual loop.
Citation Information
Patent Citations
Unattended substation monitoring system
CN215773388U