阅读说明：本技术 一种变电站设备运行监控系统 (Substation equipment operation monitoring system ) 是由 周刚 钱国良 袁均祥 罗志远 钟鸣盛 杨波 申志成 于 2019-08-02 设计创作，主要内容包括：本发明公开了一种变电站设备运行监控系统,包括数据处理器、存储器、交互终端、温湿度监控模块、电流监控模块、电源、电压监控模块、安全设备监控模块和变压器温度传感降温装置,所述温湿度监控模块安装在配电站内,检测配电站内的温湿度,电流监控模块包括安装在配电站的设备上的若干个电流计,电压监控模块包括安装在配电站的设备上的若干个电压计,安全设备监控模块、温湿度监控模块、电流监控模块以及电压监控模块均为数据处理器连接,电源、存储器以及交互终端均为数据处理器连接,所述电源与冷气室电连接。本方案通过油气缸与节流装置实现联动,控制冷气流量,进而对降温室内的变压器油进行自动降温。(The invention discloses a transformer substation equipment operation monitoring system which comprises a data processor, a memory, an interactive terminal, a temperature and humidity monitoring module, a current monitoring module, a power supply, a voltage monitoring module, a safety equipment monitoring module and a transformer temperature sensing cooling device, wherein the temperature and humidity monitoring module is installed in a power distribution station and used for detecting the temperature and humidity in the power distribution station, the current monitoring module comprises a plurality of ammeters installed on equipment of the power distribution station, the voltage monitoring module comprises a plurality of voltmeters installed on the equipment of the power distribution station, the safety equipment monitoring module, the temperature and humidity monitoring module, the current monitoring module and the voltage monitoring module are all connected with the data processor, the power supply, the memory and the interactive terminal are all connected with the data processor, and the power supply is electrically connected with a cold. This scheme realizes the linkage through oil gas jar and throttling arrangement, and control cold gas flow, and then carries out the automation to the transformer oil in the cooling chamber and cools down.)

1. A transformer substation equipment operation monitoring system is characterized by comprising a data processor, a memory, an interaction terminal, a temperature and humidity monitoring module, a current monitoring module, a power supply, a voltage monitoring module, a safety equipment monitoring module and a transformer temperature sensing and cooling device;

The temperature and humidity monitoring module is arranged in the power distribution station and is used for detecting the temperature and humidity in the power distribution station;

the current monitoring module comprises a plurality of ammeters which are arranged on equipment of the power distribution station and used for detecting the current of the equipment of the power distribution station;

The voltage monitoring module comprises a plurality of voltmeters installed on equipment of the power distribution station and is used for detecting the voltage of the equipment of the power distribution station;

The safety equipment monitoring module comprises a dehumidifier operation monitoring module, an exhaust fan monitoring module and a security door monitoring module, and the dehumidifier operation monitoring module, the exhaust fan monitoring module and the security door monitoring module are all electrically connected with the data processor;

The interactive terminal is used for debugging the field equipment and is electrically connected with the data processor;

the temperature and humidity monitoring module, the current monitoring module and the voltage monitoring module are all connected with the data processor, and the power supply, the memory and the interactive terminal are all connected with the data processor;

The transformer temperature sensing cooling device comprises a cooling chamber, a cold air chamber and a throttling device, wherein the cooling chamber is connected with a transformer shell through an oil pipe to form a sealed circulation loop, the cold air chamber is connected with the cooling chamber through a cold air pipe to form a sealed circulation loop, one end of the throttling device is connected with a lead-out oil pipe of a transformer in a sealing mode, the other end of the throttling device is connected with an air pipe in a sealing mode, and a power supply is electrically connected with the cold air chamber.

2. The substation equipment operation monitoring system of claim 1, wherein the throttling device comprises an oil-gas cylinder, a transmission device, a fixed support and a throttling valve, the oil-gas cylinder is fixedly mounted on an oil pipe, the transmission device is fixedly mounted on the fixed support, the oil-gas cylinder is linked with the transmission device, and the transmission device is linked with the throttling valve.

3. The substation equipment operation monitoring system of claim 2, wherein the oil-gas cylinder comprises a first piston head, a second piston head and a middle part, an oil guide port is arranged on the side face of the lower end of the transformer, an oil pipe is arranged at the oil guide port, the middle part is sleeved at the oil pipe port, the first piston head is connected to the inner wall of the oil pipe in a sliding mode, and the lower end of the second piston head is linked with the transmission device.

4. the substation equipment operation monitoring system according to claim 3, wherein the transmission device comprises a first rack, a first gear, a second gear, a third gear and a second rack, the upper end of the first rack is fixedly connected with the lower end of a second piston head, the side surface of the first rack is provided with meshing teeth matched with the first gear, the first rack is meshed with the first gear, the first gear is meshed with the second gear, the second gear is meshed with the third gear, one side surface of the second rack is provided with meshing teeth matched with the third gear, the third gear is meshed with the second rack, the other side surface of the second rack is provided with a plurality of pulleys, the vertical side surface of the fixing frame is provided with sliding rails matched with the pulleys, and the second rack is slidably connected with the fixing frame; the upper end of the second rack is provided with an upper limit stop block, the lower end of the second rack is provided with a lower limit stop block, the upper end and the lower end of the fixed support are both provided with through holes allowing the second rack to move up and down, the diameter of each through hole is smaller than the size of the upper limit stop block and the size of the lower limit stop block, and the lower limit stop block is detachably connected with the throttle valve.

5. The substation equipment operation monitoring system of claim 4, wherein the throttle valve is hermetically mounted on a cold air pipeline, the throttle valve comprises a cavity, an end part, a third rack and a throttle, the cavity and the end part are fixedly connected, the throttle is fixedly mounted in the cavity, an opening for the third rack to move up and down is formed in the joint of the end part and the cavity, an external thread is formed in the upper end of the third rack, an internal thread is formed in the lower stop block, the third rack is in threaded connection with the lower stop block, and a lower end of the third rack penetrates through the opening and is in transmission connection with the throttle.

6. The substation equipment operation monitoring system according to claim 5, wherein the choke comprises a first opening and closing part and a second opening and closing part, the first opening and closing part comprises a fourth gear, a first hinge and a first bracket, the fourth gear is rotatably mounted at the upper end of the first bracket, the tail end of the first hinge is fixedly connected with a protrusion of the fourth gear, the top end of the first hinge is abutted against the inner wall of the cavity, and the tail end of the first hinge is fixedly connected with the side surface of the first bracket; the second portion of opening and shutting includes fifth gear, second hinge and second support, the upper end at the second support is installed in the rotation of fifth gear, the tail end of second hinge and a protruding fixed connection of fifth gear, the top portion and the cavity inner wall of second hinge contradict, the tail end face and the second support side fixed connection of second hinge.

7. The substation equipment operation monitoring system of claim 5, wherein both side surfaces of the third rack are provided with meshing teeth for meshing with a fourth gear and a fifth gear, and the third rack is meshed with the fourth gear and the fifth gear.

8. The substation equipment operation monitoring system according to claim 6, wherein a semi-enclosed channel is formed between the vertical side wall of the first bracket and the vertical side wall of the second bracket, and sealing oil for lubrication and oil sealing is filled in the channel.

9. the substation equipment operation monitoring system according to claim 5, wherein a sealing member for preventing cold air from leaking is arranged at the opening, an oil storage cavity is arranged in the sealing member, and sealing oil with lubricating and oil sealing functions is filled in the oil storage cavity.

10. The substation equipment operation monitoring system of claim 3, wherein the transformer side wall is provided with a support member, and the middle part of the oil gas cylinder and the support member are fixed through a hoop.

Technical Field

The invention relates to a transformer temperature control device, in particular to a transformer substation equipment operation monitoring system.

Background

The transformer substation is a place for changing voltage, in order to transmit electric energy generated by a power plant to a remote place, the voltage must be increased to be high-voltage, the voltage is reduced as required near a user, and the voltage increasing and reducing work is completed by the transformer substation. The transformer substation mainly comprises primary equipment and secondary equipment, wherein the primary equipment mainly comprises a transformer, a high-voltage circuit breaker, an isolating switch, a bus, a lightning arrester, a capacitor and a reactor, and the secondary equipment mainly comprises a relay protection device, an automatic device, a measurement and control device and a metering device. The transformer is the main equipment of the transformer substation, the performance of the transformer determines whether the transformer substation can safely and stably operate, the temperature of oil around a transformer coil is rapidly increased due to copper consumption and iron consumption generated during the operation of the transformer, and if rapid and effective cooling measures are not taken, an internal line is short-circuited, so that power lines are interrupted and equipment is damaged, and economic loss is caused.

the transformer oil is filled in a cavity of a transformer, the transformer oil is a fractional distillation product of petroleum, and the main components of the transformer oil are compounds such as alkane, naphthenic saturated hydrocarbon, aromatic unsaturated hydrocarbon and the like, and the compounds are injected into a metal shell of the transformer to play roles of heat dissipation, insulation and arc extinction.

Disclosure of Invention

The invention aims to solve the problem that the transformer cannot be effectively cooled due to inaccurate measurement of the transformer oil temperature measured by electronic components, and provides a transformer substation equipment operation monitoring system.

In order to achieve the technical purpose, the invention provides a technical scheme that a transformer substation equipment operation monitoring system comprises a data processor, a memory, an interactive terminal, a temperature and humidity monitoring module, a current monitoring module, a power supply, a voltage monitoring module, a safety equipment monitoring module and a transformer temperature sensing cooling device;

The interactive terminal is used for debugging the field equipment and is electrically connected with the data processor;

The temperature and humidity monitoring module is arranged in the power distribution station and is used for detecting the temperature and humidity in the power distribution station;

The current monitoring module comprises a plurality of ammeters which are arranged on equipment of the power distribution station and used for detecting the current of the equipment of the power distribution station;

The voltage monitoring module comprises a plurality of voltmeters installed on equipment of the power distribution station and is used for detecting the voltage of the equipment of the power distribution station;

The safety equipment monitoring module comprises a dehumidifier operation monitoring module, an exhaust fan monitoring module and a security door monitoring module, and the dehumidifier operation monitoring module, the exhaust fan monitoring module and the security door monitoring module are all electrically connected with the data processor;

the temperature and humidity monitoring module, the current monitoring module and the voltage monitoring module are all connected with the data processor, and the power supply, the memory and the interactive terminal are all connected with the data processor;

The transformer temperature sensing cooling device comprises a cooling chamber, a cold air chamber and a throttling device, wherein the cooling chamber is connected with a transformer shell through an oil pipe to form a sealed circulation loop, the cold air chamber is connected with the cooling chamber through a cold air pipe to form a sealed circulation loop, one end of the throttling device is connected with a lead-out oil pipe of a transformer in a sealing mode, the other end of the throttling device is connected with an air pipe in a sealing mode, and a power supply is electrically connected with the cold air chamber.

in this scheme, the transformer passes through oil pipe and cooling room sealing connection, oil pipe is netted arranging in the cooling room, the cold air room passes through cold air duct and cooling room sealing connection, realize the circulation through continuous messenger's air conditioning in the cooling room, can be to the transformer oil cooling in the cooling room, throttling arrangement and cold air duct sealing connection, cold air flow through control cold air duct, can control the cooling efficiency of the interior transformer oil of cooling room, the volume expansion that leads to transformer oil through the change of temperature is as the drive power of piston, make throttling arrangement and oil gas jar realize the linkage, the device simple structure, therefore, the clothes hanger is strong in practicability, can effectively control the change of transformer oil temperature, make it stabilize in transformer safe operating range, guarantee electric power system safety.

The throttling device comprises an oil-gas cylinder, a transmission device, a fixed support and a throttling valve, wherein the oil-gas cylinder is fixedly arranged on an oil pipe, the transmission device is fixedly arranged on the fixed support, the oil-gas cylinder is linked with the transmission device, and the transmission device is linked with the throttling valve; the oil gas jar is provided with including first piston head, second piston head and intermediate portion, the lower extreme side of transformer leads the hydraulic fluid port, leads hydraulic fluid port department and is provided with oil pipe, the intermediate portion cup joints in oil pipe port department, first piston head sliding connection is in the oil pipe inner wall, the lower extreme and the transmission linkage of second piston head. The transmission device comprises a first rack, a first gear, a second gear, a third gear and a second rack, the upper end of the first rack is fixedly connected with the lower end of a second piston head, the side surface of the first rack is provided with meshing teeth matched with the first gear, the first rack is meshed with the first gear, the first gear is meshed with the second gear, the second gear is meshed with the third gear, one side surface of the second rack is provided with meshing teeth matched with the third gear, the third gear is meshed with the second rack, the other side surface of the second rack is provided with a plurality of pulleys, the vertical side surface of the fixing frame is provided with slide rails matched with the pulleys, and the second rack is in sliding connection with the fixing frame; the upper end of the second rack is provided with an upper limit stop block, the lower end of the second rack is provided with a lower limit stop block, the upper end and the lower end of the fixed support are both provided with through holes allowing the second rack to move up and down, the diameter of each through hole is smaller than the size of the upper limit stop block and the size of the lower limit stop block, and the lower limit stop block is detachably connected with the throttle valve.

In the scheme, a first piston head of the oil-gas cylinder is arranged in an oil pipe and is tightly attached to the inner wall of the oil pipe; the second piston head is fixedly connected with the first rack, the middle part is fixed at the port of the oil pipe, so that the first piston head and the second piston head are linked, the first rack is meshed with the first gear, the first gear is meshed with the second gear, the second gear is meshed with the third gear, the third gear is meshed with the second rack, when the second piston head drives the first rack to move up and down, the second rack responds to move up and down, so that a throttling device in the throttling valve is driven to act, and a throttling function is realized.

Throttle valve seal installation is on the air conditioning pipeline, the throttle valve include cavity, tip, third rack and throttle controller, cavity and tip fixed connection, throttle controller fixed mounting is in the cavity, tip and cavity junction are provided with the opening that is used for the third rack to reciprocate, the upper end of third rack is provided with the external screw thread, the lower stop block is provided with the internal thread, third rack and lower stop block threaded connection, the lower extreme through opening and the throttle controller transmission of third rack are connected.

in this scheme, the third rack can be dismantled with the second rack and be connected, and the removal of second rack can drive the removal of third rack, and the removal of third rack can drive the switching of flow controller, realizes the throttle, and the second rack prolongs the slide direction through the pulley and removes, has guaranteed that the second rack reciprocates the position and has not skew, and then guarantees that third rack and fourth gear and fifth gear mesh completely, guarantees that the flow controller does not have the trouble action.

The throttler comprises a first opening and closing part and a second opening and closing part, the first opening and closing part comprises a fourth gear, a first hinge and a first support, the fourth gear is rotatably mounted at the upper end of the first support, the tail end of the first hinge is fixedly connected with a bulge of the fourth gear, the top end of the first hinge is abutted against the inner wall of the cavity, and the tail end face of the first hinge is fixedly connected with the side face of the first support; the second portion of opening and shutting includes fifth gear, second hinge and second support, the upper end at the second support is installed in the rotation of fifth gear, the tail end of second hinge and a protruding fixed connection of fifth gear, the top portion and the cavity inner wall of second hinge contradict, the tail end face and the second support side fixed connection of second hinge.

in this scheme, because the both ends face of third rack all is provided with the arch that is used for the meshing, so the third rack can drive fourth gear and fifth gear rotation, and fourth gear and fifth gear rotation can control the switching of first hinge and second hinge, realize the throttle.

And the two side surfaces of the third rack are provided with meshing teeth used for being meshed with the fourth gear and the fifth gear, and the third rack is meshed with the fourth gear and the fifth gear.

In the scheme, the fourth gear and the fifth gear are symmetrically driven, so that the maneuverability of the hinge is improved, and the throttling efficiency is improved.

And a semi-closed channel is formed between the vertical side wall of the first support and the vertical side wall of the second support, and sealing oil for lubricating and oil sealing is filled in the channel.

In this scheme, the channel intussuseption is filled with sealed oil, has sealed and lubricated effect.

The opening part is provided with the sealing member, be provided with the oil storage chamber in the sealing member, the oil storage intracavity is filled with sealing oil.

in this scheme, the sealed oil of filling in the oil storage chamber avoids the air conditioning in the choke valve to reveal to all there is the lubrication action to the third rack, guarantee the smoothness nature that reciprocates.

The transformer side wall is provided with a support piece, and the middle part of the oil gas cylinder is fixed with the support piece through a hoop.

In this scheme, because the intermediate part cup joints with the oil pipe port, if insecure can lead to oil gas cylinder action unbalance, worse result leads to transformer oil to reveal, consequently sets up support piece at transformer housing's lateral wall, and the intermediate part passes through the staple bolt with support piece and fixes, has reliable and stable's advantage.

The invention has the beneficial effects that: this technical scheme leads to transformer oil volume inflation drive piston through transformer oil temperature rising, realizes the linkage through piston and throttling arrangement, and the degree of opening and shutting of throttling arrangement control flow controller to control cold gas flow, and then carry out the automation to the transformer oil in the cooling chamber and cool down, the device simple structure, the practicality is strong, has fine application prospect.

drawings

Fig. 1 is a block diagram of a substation equipment operation monitoring system.

fig. 2 is a schematic structural diagram of a transformer temperature sensing and cooling device of a substation equipment operation monitoring system.

Fig. 3 is a schematic structural diagram of a throttling device of a transformer temperature sensing cooling device.

Fig. 4 is a first state structure diagram of a throttle valve of the throttle device.

Fig. 5 is a second state diagram of the throttle valve of the throttle device.

The notation in the figure is: 1-transformer shell, 2-cooling chamber, 3-cooling chamber, 4-throttling device, 5-throttling valve, 6-transformer temperature sensing cooling device, 41-oil gas cylinder, 42-first rack, 43-first gear, 44-second gear, 45-third gear, 46-second rack, 47-fixing frame, 48-supporting piece, 49-third rack, 51-fourth gear, 52-first hinge, 53-first bracket, 54-fifth gear, 55-second hinge, 56-second bracket, 57-groove channel, 58-end part, 59-cavity, 71-data processor, 72-power supply, 73-temperature and humidity monitoring module, 74-current monitoring module, 75-voltage monitoring module, 76-memory, 77-interactive terminal, 78 safety device monitoring module, 411-first piston head, 412-intermediate part, 413-second piston head, 581-seal, 582-oil reservoir.

Detailed Description

for the purpose of better understanding the objects, technical solutions and advantages of the present invention, the following detailed description of the present invention with reference to the accompanying drawings and examples should be understood that the specific embodiment described herein is only a preferred embodiment of the present invention, and is only used for explaining the present invention, and not for limiting the scope of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without making creative efforts shall fall within the scope of the present invention.