CN111693093A - Electric power oil-lack monitoring and alarming system - Google Patents
Electric power oil-lack monitoring and alarming system Download PDFInfo
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- CN111693093A CN111693093A CN202010556126.2A CN202010556126A CN111693093A CN 111693093 A CN111693093 A CN 111693093A CN 202010556126 A CN202010556126 A CN 202010556126A CN 111693093 A CN111693093 A CN 111693093A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/08—Means for indicating or recording, e.g. for remote indication
- G01L19/12—Alarms or signals
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Alarm Systems (AREA)
Abstract
The invention discloses an electric power oil-shortage monitoring alarm system, which comprises oil-shortage electric equipment, a sensor, an A/D converter, a wireless signal transmitting device, a wireless signal receiving device, a host, a display, an alarm device and a foundation, wherein the A/D converter and the wireless signal transmitting device are both electrically connected to the sensor, the wireless signal receiving device and the display are both arranged on the host, the alarm device is connected with the host through a wiring harness, the sensor transmits temperature information and pressure information in the oil-shortage equipment to the wireless signal receiving device on the host through the wireless signal transmitting device, temperature and pressure information measured by the sensor and abnormal measured values recorded by the counter are both displayed by the display, when abnormal values are measured, the host controls the alarm device to work to send out audible and visual alarms, and reminding related technicians to overhaul and maintain the oil-less equipment.
Description
Technical Field
The invention relates to the technical field of alarm systems, in particular to an electric power oil-shortage monitoring alarm system.
Background
The transformer equipment in operation needs to ensure the safety of use. Oil-filled power equipment, when taking place thermal fault and electrical fault, all will make insulating oil and insulating paper take place to decompose and produce gas, these gases can dissolve in the oil according to certain proportion, consequently, detect the gas that dissolves in the insulating oil and can know current oil-filled power equipment's in service behavior, and then judge whether it has the potential safety hazard. At present, the power equipment with the voltage class of 110kV and above needs to be regularly checked for safety performance.
The detection method is excessively complex, time-consuming and labor-consuming, power equipment with faults can be maintained effectively due to negligence of detection personnel, the potential faults can be developed into serious faults, so that serious accidents such as fire disasters and equipment explosion are caused, normal transmission of electric power is influenced, the oil-less power equipment cannot be detected due to the fact that the oil content in the oil-less power equipment is low, and meanwhile, live operation is difficult, and therefore the novel power oil-less monitoring alarm system is provided to solve the problems.
Disclosure of Invention
The invention aims to provide an electric power oil-lack monitoring and alarming system, which aims to solve the problems that electric power equipment with faults cannot be effectively overhauled due to negligence of detection personnel, the fault hidden danger can be developed into serious faults, serious accidents such as fire and equipment explosion are caused excessively, the normal transmission of electric power is influenced, and the oil content of oil in the oil-lack electric power equipment is low, and meanwhile, the electrified operation is difficult, so that the detection method cannot be carried out.
In order to achieve the purpose, the invention provides the following technical scheme: the electric power oil shortage monitoring and alarming system comprises oil shortage electric equipment, a sensor, an A/D converter, a wireless signal sending device, a wireless signal receiving device, a host, a display, an alarming device and a foundation, wherein the sensor is located on an interface of the oil shortage electric equipment, the sensor is provided with a battery power supply, the A/D converter and the wireless signal sending device are electrically connected to the sensor, the wireless signal receiving device and the display are arranged on the host, and the alarming device is connected with the host through a wiring harness.
Preferably, the sensors include a temperature sensor and a pressure sensor.
Preferably, the wireless signal transmitting device is a wireless transmitting module with the power of 1G or less.
Preferably, the wireless signal receiving device is a wireless receiving module with a frequency of 1G or less.
Preferably, the display is a touch screen.
Preferably, the lower part of host computer is equipped with the casing, the upper and lower lateral wall of casing rotates and is connected with the pivot, the lower extreme of pivot runs through the lower lateral wall of casing and is located the outside of casing, the lower extreme of pivot is equipped with the external screw thread, be equipped with the thread bush in the ground, the thread bush in be equipped with the internal thread that the external screw thread matches, the external screw thread with the internal thread cooperatees, be equipped with the worm wheel in the pivot, run through between the lateral wall about the casing and rotate and be connected with the worm, the worm wheel with the worm meshes mutually, the one end of worm is located outside and the sliding connection of casing have the hand wheel, be equipped.
Preferably, stop device includes the stroke pole, the one end of stroke pole with the hand wheel rotates and connects, be close to on the lateral wall of worm the special-shaped spout has been seted up to the one end of hand wheel, be equipped with the direction voussoir in the special-shaped spout, the other end of stroke pole slides in the special-shaped spout, be equipped with the spring holder on the worm, the spring holder corresponds the position of special-shaped spout is equipped with the opening, the cover is equipped with compression spring on the worm, compression spring be located the hand wheel with between the spring holder.
Preferably, stop device includes the cylindricality chamber, the cylindricality chamber is seted up in on the hand wheel, the cylindricality intracavity runs through sliding connection and has the spacer pin, the one end of spacer pin is located the outside of hand wheel, be equipped with the plectane on the spacer pin, the cover is equipped with reset spring on the spacer pin, reset spring is located the plectane with between the lateral wall in cylindricality chamber, be close to on the lateral wall of worm the spacing groove has been seted up to the one end of hand wheel, the spacer pin with spacing groove looks adaptation.
Compared with the prior art, the invention has the beneficial effects that: when the main machine is installed, the hand wheel is rotated, the hand wheel drives the worm to rotate, the worm is meshed with the worm wheel arranged on the rotating shaft, the worm wheel drives the rotating shaft to rotate together, the thread section at the lower end of the rotating shaft is matched with the thread sleeve, the hand wheel is continuously rotated until the thread section of the rotating shaft is tightly matched with the thread sleeve, at the moment, the main machine is installed completely, the sensor transmits temperature information and pressure information in the oil-lack equipment to the wireless signal receiving device on the main machine through the wireless signal transmitting device, and the main machine processes the signals, and the number of abnormal values in the signal is recorded, the temperature and pressure information measured by the sensor and the recorded abnormal measured values are displayed by the display, when an abnormal value is measured, the host controls the alarm device to work, and gives out sound and light alarm to remind related technicians to overhaul and maintain the oil-poor equipment; the main machine is connected with the foundation through the rotating shaft, the connection mode is tight and reliable, the main machine can be assembled and disassembled relative to the foundation only by rotating the hand wheel, and the operation mode is simple and convenient; the hand wheel can be disassembled, the two embodiments are two different connection forms between the hand wheel and the worm, the two connection forms can meet the use requirement of reliable connection between the hand wheel and the worm, the disassembly and the assembly are convenient and quick, the technical means disclosed by the invention solves the problems in the prior art, and the system is reliable in operation, good in warning effect and convenient to use and popularize.
Drawings
FIG. 1 is a block diagram of the system of the present invention;
FIG. 2 is a schematic front view of the structure of embodiment 1 of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2A;
FIG. 4 is a schematic view of the construction of the guide wedge of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 2 at B according to the present invention;
FIG. 6 is a schematic front view of embodiment 2 of the present invention;
fig. 7 is a partial enlarged structural view of the invention at C in fig. 6.
In the figure: 1-host computer, 2-display, 3-alarm device, 4-foundation, 5-shell, 6-rotating shaft, 7-threaded sleeve, 8-worm wheel, 9-worm, 10-hand wheel, 11-limiting device, 1101-stroke rod, 1102-special-shaped chute, 1103-guide wedge block, 1104-spring seat, 1105-compression spring, 1106-cylindrical cavity, 1107-limiting pin, 1108-circular plate, 1109-reset spring and 1110-limiting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, in embodiment 1 referring to fig. 1-5, the present invention provides a technical solution: the electric power oil-shortage monitoring alarm system comprises oil-shortage electric power equipment, a sensor, an A/D converter, a wireless signal sending device, a wireless signal receiving device, a host 1, a display 2, an alarm device 3 and a foundation 4, wherein the host 1 is an information processing center, related technicians need to preset temperature values and pressure values which are allowed to be measured by the sensor of the host 1, when the measured temperature values are higher than preset temperature values and the pressure values are higher than or lower than preset pressure upper and lower limit values, the host 1 controls the alarm device 3 to give an alarm to remind the related technicians to overhaul and maintain the oil-shortage electric power equipment, the alarm device 3 is an alarm lamp and a loudspeaker which give out sound and light alarms to remind the related technicians, the alarm device 3 can also adopt other forms, for example, the host 1 is connected with background monitoring software through a DTU, the terminal of the alarm device 3 in this form is a mobile device such as a mobile phone, the mobile device is carried by a relevant technician, and a corresponding APP is installed on the mobile device, when the host 1 judges that the temperature or pressure value of the oil-poor power equipment is abnormal, the host 1 alarms on site and simultaneously sends an alarm to background monitoring software, the background monitoring software sends an alarm signal to the relevant mobile phone APP, and the APP controls the mobile device to send out an alarm, the alarm mode is common and is currently applied, detailed description is not given here, the sensor is located on an interface of the oil-poor power equipment, the sensor is powered by a battery without an external wiring harness, an A/D converter and a wireless signal sending device are both electrically connected to the sensor, the sensor is located outside the oil-poor power equipment to ensure normal sending of the signal, a wireless signal receiving device and a display 2 are both arranged on the host 1, and is electrically connected with the host 1, and the alarm device 3 is connected with the host 1 through a wire harness.
Specifically, the sensors comprise a temperature sensor and a pressure sensor, wherein the temperature sensor is an RS-WD-N01-6-5 temperature sensor, and the pressure sensor is a PT124G-111 pressure sensor.
Specifically, the wireless signal transmitting device is a wireless transmitting module below 1G, and includes a low-power-consumption radio frequency module in 433/868 frequency band.
Specifically, the wireless signal receiving device is a wireless receiving module with a frequency of 1G or less, and includes a low-power rf module with a frequency band of 433/868.
Particularly, display 2 is the touch-control screen, makes things convenient for relevant technical staff to use the host computer, carries out the work of predetermineeing of temperature and pressure value.
Specifically, a shell 5 is arranged at the lower part of the host 1, the shell 5 is fixedly connected with the host 1, the upper side wall and the lower side wall of the shell 5 are rotatably connected with a rotating shaft 6, a bearing is arranged at the rotating joint, the lower end of the rotating shaft 6 penetrates through the lower side wall of the shell 5 and is positioned outside the shell 5, the lower end of the rotating shaft 6 is provided with an external thread, a threaded sleeve 7 is arranged in the foundation 4, an internal thread matched with the external thread is arranged in the threaded sleeve 7, the external thread is matched with the internal thread, a worm wheel 8 is arranged on the rotating shaft 6, a worm 9 is rotatably connected between the left side wall and the right side wall of the shell 5 in a penetrating way, the rotating joint is provided with the bearing, the worm wheel 8 is meshed with the worm 9, the expansion helix angle of the worm 9 is smaller than the contact friction angle between the worm, the torque can only be transmitted to the worm wheel 8 from the worm 9, but not transmitted to the worm 9 from the worm wheel 8, so that the connection between the thread section at the lower part of the rotating shaft 6 and the thread sleeve 7 is more reliable, one end of the worm 9 is positioned outside the shell 5 and is slidably connected with the hand wheel 10, the cross section of one end of the worm 9, which is provided with the hand wheel 10, is rectangular, the hand wheel 10 can be detached, and the hand wheel 10 is provided with the limiting device 11.
Specifically, the limiting device 11 includes a stroke rod 1101, the stroke rod 1101 is U-shaped, the stroke rod 1101 has certain elasticity, one end of the stroke rod 1101 is rotatably connected with the hand wheel 10, one end of the worm 9, where the hand wheel 10 is installed, is provided with a special-shaped sliding groove 1102, the special-shaped sliding groove 1102 is shaped as shown in fig. 3, a guide wedge 1103 is arranged in the special-shaped sliding groove 1102, the cross-sectional shape of the guide wedge 1103 is low on the left and high on the right, as shown in fig. 4, the other end of the stroke rod 1101 slides in the special-shaped sliding groove 1102, the worm 9 is provided with a spring seat 1104, the spring seat 1104 is provided with an opening corresponding to the special-shaped sliding groove 1102, the worm 9 is sleeved with a.
The working principle is as follows: when the oil-less power equipment is used, a temperature sensor and a pressure sensor are pre-arranged inside the oil-less power equipment, then the host 1 and the foundation 4 are installed, when the oil-less power equipment is installed, a hand wheel 10 is rotated, the hand wheel 10 drives a worm 9 to rotate, the worm 9 is meshed with a worm wheel 8 arranged on a rotating shaft 6, the worm wheel 8 drives the rotating shaft 6 to rotate together, a thread section at the lower end of the rotating shaft 6 is matched with a thread sleeve 7, the hand wheel 10 is continuously rotated until the thread section of the rotating shaft 6 is tightly matched with the thread sleeve 7, and at the moment, the host 1 is; the hand wheel 10 and the worm 9 are in sliding connection, the two embodiments are two different limiting modes of the sliding connection, in embodiment 1, the limitation is performed through the mutual matching between the stroke rod 1101 and the special-shaped sliding groove 1102, please refer to fig. 3, when the hand wheel 10 is installed, the hand wheel 10 is sleeved on the worm 9 and then pushed to the left, the hand wheel 10 is loosened after the hand wheel 10 reaches a limiting position, one end of the stroke rod 1101 slides along the special-shaped sliding groove 1102 at the right part, when the hand wheel slides to the guide wedge 1103, the stroke rod 1101 slides in the special-shaped sliding groove 1102 at the lower part due to the limitation of the cross-sectional shape of the guide wedge 1103 in the lower part, and under the action of the shape of the left part of the special-shaped sliding groove 1102 and the compression spring 1105, the stroke rod 1101 is finally clamped; if the hand wheel 10 needs to be disassembled, the hand wheel 10 is pushed leftwards again, the hand wheel 10 is loosened after the hand wheel 10 reaches the limit position, the stroke rod 1101 runs in the upper special-shaped sliding groove 1102 under the action of the shape of the left part of the special-shaped sliding groove 1102 and the compression spring 1105, and after the stroke rod 1101 runs to the position of the guide wedge 1103, the stroke rod 1101 crosses the guide wedge 1103 due to the design of the cross-sectional shape of the guide wedge 1103 with the lower left part and the higher right part, so that the hand wheel 10 can be disassembled; when the hand wheel 10 is installed in the embodiment 2, the limit pin 1107 is lifted up, and the circular plate 1108 moves along with the limit pin 1107 and presses the return spring 1109; after the hand wheel 10 is installed, the lifting of the limiting pin 1107 is stopped, the return spring 1109 drives the limiting pin 1107 to move downwards, the lower end of the limiting pin 1107 is matched with the limiting groove 1110, and the limiting device 11 takes effect; when the hand wheel 10 is disassembled, the hand wheel 10 can be disassembled only by carrying out reverse operation to ensure that the limiting device fails; the sensors comprise a temperature sensor and a pressure sensor, the temperature sensor can measure the temperature in the oil-shortage equipment, the pressure sensor can measure the pressure in the oil-less equipment, and the data measured by the two sensors are processed by the A/D converter, the wireless signal transmitting device transmits data to the wireless signal receiving device on the host 1, the host processes the signals, related technicians preset values of temperature and pressure in advance, when the value of the signal received by the host is larger than or equal to the upper limit value, or less than or equal to the lower limit value, and the host controls the alarm device 3 to work, gives out sound and light alarm to remind related personnel to overhaul and maintain the oil-less power equipment with faults, meanwhile, each numerical value is displayed through the display 2, and therefore relevant personnel can conveniently know the specific working condition of the oil-less power equipment.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Little oily monitoring alarm system of electric power, including few oily power equipment, sensor, AD converter, wireless signal transmitting device, wireless signal receiving device, host computer (1), display (2), alarm device (3) and ground (4), its characterized in that: the sensor is located on an interface of the oil-less power equipment, the sensor is provided with a battery power supply, the A/D converter and the wireless signal sending device are electrically connected to the sensor, the wireless signal receiving device and the display (2) are arranged on the host (1), and the alarm device (3) is connected with the host (1) through a wiring harness.
2. The power oil shortage monitoring alarm system according to claim 1, wherein: the sensors include temperature sensors and pressure sensors.
3. The power oil shortage monitoring alarm system according to claim 1, wherein: the wireless signal sending device is a wireless transmitting module below 1G.
4. The power oil shortage monitoring alarm system according to claim 1, wherein: the wireless signal receiving device is a wireless receiving module below 1G.
5. The power oil shortage monitoring alarm system according to claim 1, wherein: the display (2) is a touch screen.
6. The power oil shortage monitoring alarm system according to claim 1, wherein: the lower part of host computer (1) is equipped with casing (5), the upper and lower lateral wall of casing (5) rotates and is connected with pivot (6), the lower extreme of pivot (6) runs through the lower lateral wall of casing (5) and is located the outside of casing (5), the lower extreme of pivot (6) is equipped with the external screw thread, be equipped with threaded sleeve pipe (7) in ground (4), be equipped with in threaded sleeve pipe (7) with the internal thread that the external screw thread matches, be equipped with worm wheel (8) on pivot (6), it is connected with worm (9) to run through to rotate between the left and right sides lateral wall of casing (5), worm wheel (8) with worm (9) mesh mutually, the one end of worm (9) is located the outside and the sliding connection of casing (5) have hand wheel (10), be equipped with stop device (11) on hand wheel (10).
7. The power oil shortage monitoring alarm system of claim 6, wherein: stop device (11) include trip lever (1101), the one end of trip lever (1101) with hand wheel (10) rotate to be connected, be close to on the lateral wall of worm (9) special-shaped spout (1102) have been seted up to the one end of hand wheel (10), be equipped with direction voussoir (1103) in special-shaped spout (1102), the other end of trip lever (1101) slides in special-shaped spout (1102), be equipped with spring holder (1104) on worm (9), spring holder (1104) correspond the position of special-shaped spout (1102) is equipped with the opening, the cover is equipped with compression spring (1105) on worm (9), compression spring (1105) are located hand wheel (10) with between spring holder (1104).
8. The power oil shortage monitoring alarm system of claim 6, wherein: stop device (11) include cylindrical cavity (1106), cylindrical cavity (1106) is seted up on hand wheel (10), it has spacing round pin (1107) to run through sliding connection in cylindrical cavity (1106), the one end of spacing round pin (1107) is located the outside of hand wheel (10), be equipped with plectane (1108) on spacing round pin (1107), the cover is equipped with reset spring (1109) on spacing round pin (1107), reset spring (1109) are located plectane (1108) with between the lateral wall of cylindrical cavity (1106), be close to on the lateral wall of worm (9) spacing groove (1110) have been seted up to the one end of hand wheel (10), spacing round pin (1107) with spacing groove (1110) looks adaptation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010556126.2A CN111693093A (en) | 2020-06-17 | 2020-06-17 | Electric power oil-lack monitoring and alarming system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010556126.2A CN111693093A (en) | 2020-06-17 | 2020-06-17 | Electric power oil-lack monitoring and alarming system |
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| CN111693093A true CN111693093A (en) | 2020-09-22 |
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| CN202010556126.2A Pending CN111693093A (en) | 2020-06-17 | 2020-06-17 | Electric power oil-lack monitoring and alarming system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114910032A (en) * | 2022-04-26 | 2022-08-16 | 安徽明天氢能科技股份有限公司 | Fuel cell glue line detection device |
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Application publication date: 20200922 |