CN110823389A - Temperature measuring alarm device for electrical equipment - Google Patents
Temperature measuring alarm device for electrical equipment Download PDFInfo
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- CN110823389A CN110823389A CN201911208592.5A CN201911208592A CN110823389A CN 110823389 A CN110823389 A CN 110823389A CN 201911208592 A CN201911208592 A CN 201911208592A CN 110823389 A CN110823389 A CN 110823389A
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 58
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 11
- 238000012806 monitoring device Methods 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- 229910001873 dinitrogen Inorganic materials 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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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
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention belongs to the technical field of electrical equipment warning devices, and particularly relates to an electrical equipment temperature measurement warning device which comprises a warning unit, a temperature control unit, a controller and a temperature tester; the temperature control unit comprises a power mechanism, a middle cylinder and a liquid nitrogen tank, the liquid nitrogen tank is connected with a connecting pipe, and the connecting pipe is provided with an electromagnetic valve; two wiring rods are arranged in the middle barrel, a lead is connected between each wiring rod and the corresponding electromagnetic valve, and a first power supply is connected to each lead; the middle cylinder is connected with a piston in a sliding way; the piston is provided with an electrifying guide sheet capable of connecting the two wiring rods, and the power mechanism drives the piston to slide towards one side of the wiring rod; the middle cylinder is connected with an air inlet pipe of which one end is communicated with the shell of the electrical equipment; the power mechanism and the temperature tester are both in communication connection with the controller. When the internal temperature of the electrical equipment is too high in the scheme, the electrical equipment does not stop working immediately, but the temperature of the electrical equipment is reduced firstly, so that the parts are prevented from being burnt out due to continuous working of the electrical equipment.
Description
Technical Field
The invention belongs to the technical field of electrical equipment warning devices, and particularly relates to an electrical equipment temperature measurement warning device.
Background
Electrical equipment is a general term for equipment such as generators, transformers, power lines, and circuit breakers in power systems. The important role played by electric power in our life and production is not ignored, brings great convenience to our life, and becomes an important energy source in our production and life. The most critical factor for normal operation and transmission of electric power in a power plant is the electrical equipment, and the method has very important significance for ensuring normal power supply and stable operation of the electrical equipment.
Electrical equipment produces a large amount of heats at the in-process of operation, and it can set up heat radiation structure usually and in time dispel the heat to electrical equipment to avoid the high temperature, though can give off partial heat through heat radiation structure, but heat radiation structure not can steady operation always, when heat radiation structure became invalid, can lead to electrical equipment to be in high temperature state for a long time, leads to electrical equipment inner structure to burn out easily. In order to solve the above problems, the prior art has provided a warning device, a controller and other components, wherein when the internal temperature of the electrical equipment is too high, the warning device gives a warning, and the controller cuts off the power supply of the electrical equipment. Although the conventional alarm device can prevent the electric equipment from being damaged to a certain extent, the conventional alarm device can prevent the electric equipment from being damaged by stopping the electric equipment, and can bring great influence on normal production.
Disclosure of Invention
The invention aims to provide a temperature measurement alarm device for electrical equipment, which aims to solve the problem that the normal production is influenced because the electrical equipment stops working when the alarm device gives an alarm.
In order to achieve the purpose, the scheme of the invention is as follows: the temperature measurement alarm device of the electrical equipment comprises an alarm unit, a temperature control unit, a controller and a temperature tester for detecting the internal temperature of the electrical equipment; the temperature control unit comprises a power mechanism, a middle cylinder and a liquid nitrogen tank, the liquid nitrogen tank is connected with a connecting pipe communicated with the shell of the electrical equipment, and the connecting pipe is provided with an electromagnetic valve; two wiring rods are arranged in the middle barrel, a lead is connected between each wiring rod and the corresponding electromagnetic valve, and a first power supply is connected to each lead; the middle cylinder is connected with a piston in a sliding way; the piston is provided with an electrifying guide sheet capable of connecting the two wiring rods, and the power mechanism drives the piston to slide towards one side of the wiring rod; the middle cylinder is connected with an air inlet pipe of which one end is communicated with the shell of the electrical equipment; the alarm unit, the power mechanism and the temperature tester are all in communication connection with the controller.
The working principle of the scheme is as follows: when the heat dissipation of the electrical equipment is abnormal in the operation process, and the internal temperature is overhigh, the temperature tester detects the abnormal condition and transmits a signal to the controller, and the controller receives the signal and controls the power mechanism to work. The power mechanism drives the piston to slide towards one side of the wiring rod, in the movement process of the piston, the pressure in the middle cylinder is reduced, and high-temperature gas in the electrical equipment enters the middle cylinder through the gas inlet pipe. When the piston moves to contact with the wiring rod, the electrified guide sheet on the piston communicates the circuit formed by the wiring rod, the wire, the first power supply and the electromagnetic valve, so that the electromagnetic valve is opened, the pressure in the liquid nitrogen tank is rapidly reduced, the liquid nitrogen is gasified into nitrogen, and then enters the interior of the electrical equipment through the connecting pipe, so that the interior of the electrical equipment is rapidly cooled.
The beneficial effect of this scheme lies in:
1. utilize the inside temperature condition of temperature tester control electrical equipment, power unit starts work when the temperature is unusual for the work of temperature control unit reduces the inside temperature of electrical equipment, avoids electrical equipment's spare part to be burnt out. When the internal temperature of the electrical equipment is too high in the scheme, the electrical equipment does not stop working immediately, but the temperature of the electrical equipment is reduced firstly, so that the parts are prevented from being burnt out due to continuous working of the electrical equipment. By this means, losses due to the stoppage of the electrical equipment can be avoided.
2. Power unit during operation takes out the inside high-temperature gas of electrical equipment to the middle section of thick bamboo earlier, fills electrical equipment with nitrogen gas inside again, because most hot-air in the electrical equipment is taken out this moment, nitrogen gas can be quick after getting into electrical equipment and arrange the hot-air of surplus away, and the temperature in the electrical equipment can reduce rapidly, controls the temperature in the electrical equipment effectively, fast.
3. The piston is still as the key part of opening the solenoid valve except can driving the interior hot-air of a middle section of thick bamboo extraction electrical equipment for the solenoid valve can be opened automatically at suitable opportunity, makes the liquid nitrogen discharge through the connecting pipe, and the gasification of liquid nitrogen is nitrogen gas in the discharge process, makes the inside temperature of electrical equipment reduce rapidly, effectively avoids electrical equipment's spare part to be burnt out.
Optionally, the power mechanism is a cylinder, and a piston rod of the cylinder passes through the inflator and is fixed on the piston. After the temperature tester transmits the abnormal temperature signal to the controller, the controller controls the cylinder to work, and the piston rod of the cylinder pushes the piston to move towards one side of the wiring rod.
Optionally, the power mechanism includes a motor, an output shaft of the motor is connected with a cam, and a closed cam groove is formed in the circumferential direction of the cam; the piston is provided with a connecting rod, one end of the connecting rod penetrates through the middle cylinder, and the connecting rod is provided with a clamping rod, one end of the clamping rod is clamped in the cam groove.
When the temperature tester transmits the abnormal temperature signal to the controller, the controller controls the motor to rotate, and the motor drives the cam to rotate. In the rotation process of the cam, the cam drives the piston to slide back and forth along the inner wall of the middle cylinder through the clamping rod and the connecting rod. When the piston begins to slide to one side of the wiring rod, the electrified guide sheet on the piston is connected with the wiring rod firstly, the electromagnetic valve is opened, and liquid nitrogen in the liquid nitrogen tank enters the electrical equipment through the connecting pipe. The piston pushes the wiring rod to move together, the electromagnetic valve is kept in an open state all the time, when the piston moves to the limit position, the piston pushes the wiring rod to the farthest position, then the piston slides in the opposite direction, the electrified guide piece on the piston gradually leaves away from the wiring rod, the circuit is disconnected, and the electromagnetic valve is closed. Afterwards, the piston is at reciprocating motion's in-process, and when the piston moved extreme position to terminal rod one side, the circular telegram guide vane on the piston was connected with the terminal rod, and the solenoid valve is short for a short time opened, and the liquid nitrogen is cooled down to electrical equipment inside, and liquid nitrogen in the liquid nitrogen tank consumes and finishes.
Optionally, the piston horizontally slides back and forth along the inner wall of the middle cylinder; the wiring rod is horizontally connected in the middle barrel in a sliding manner; the middle cylinder is also provided with an exhaust pipe, and the exhaust pipe is provided with a one-way exhaust valve; the air inlet pipe is provided with a one-way air inlet valve. At piston reciprocating motion's in-process, the section of thick bamboo in the middle of gaseous passing through intake pipe entering that lasts in the electrical equipment, then discharge through the blast pipe for gaseous flow in the electrical equipment is effectively accelerated, makes the electrical equipment can normally dispel the heat, avoids the high temperature.
Optionally, a fixing rod is connected between the two wiring rods, and an iron block is arranged on the fixing rod; the middle cylinder is provided with an electromagnet and two binding posts, the electromagnet can attract the iron block, an electric wire is connected between the binding posts and the electromagnet, and a second power supply is connected on the electric wire; one of the wiring rods is provided with a conductive block, and when the piston pushes the wiring rod to move to the limit position, the conductive block is connected with the two wiring terminals.
When the piston moves to one side of the junction pole for the first time, the electrifying guide sheet on the piston is connected with the junction pole, so that the electromagnetic valve is opened, the temperature in the electrical equipment is quickly reduced by utilizing liquid nitrogen, and the normal heat dissipation of the electrical equipment is ensured. When the piston moves to extreme position to terminal rod one side, conducting block and two terminal connections, the electro-magnet circular telegram produces magnetic force, and the electro-magnet produces the appeal to the iron plate for iron plate and two terminal rods continue to slide one section distance towards electro-magnet one side, when the piston slides to terminal rod one side once more, the piston moves extreme position also can not contact with the terminal rod, and the solenoid valve is no longer opened promptly, avoids excessively lowering the temperature to electrical equipment.
Optionally, one side of the terminal rod passes through and is slidably attached to the side wall of the intermediate barrel.
Optionally, a spray pipe communicated with the connecting pipe is arranged in the electrical equipment, and a plurality of air injection columns are arranged on the spray pipe. The spray pipe and the air injection column are arranged, so that nitrogen can rapidly and uniformly enter the electrical equipment, and the electrical equipment is effectively cooled.
Optionally, the alarm unit is a buzzer, and the buzzer is electrically connected with the controller. After the temperature tester transmits the abnormal temperature signal to the controller, the controller enables the buzzer to make a sound to remind workers of checking the condition of the electrical equipment as soon as possible.
Optionally, the alarm unit is a metal ball suspended in the middle cylinder, and the piston is provided with a sounding block capable of making a sound when colliding with the metal ball. After the temperature tester transmits the abnormal temperature signal to the controller, the controller controls the power mechanism to work, the power mechanism drives the piston to slide, and the metal ball on the piston collides with the sound generating block to generate sound to remind workers of checking the condition of the electrical equipment as soon as possible.
Optionally, the first power source and the second power source are both batteries.
Drawings
FIG. 1 is a sectional view of an electrical equipment temperature measurement alarm device in a front view direction according to an embodiment of the present invention;
fig. 2 is a sectional view of the temperature measuring alarm device of the electrical equipment in the second embodiment of the present invention in the front view direction.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises an electrical device 10, a liquid nitrogen tank 20, a connecting pipe 21, an electromagnetic valve 22, a spray pipe 23, a motor 30, a cam 31, a middle cylinder 40, a piston 41, an exhaust pipe 42, a one-way exhaust valve 43, a one-way air inlet valve 44, an air inlet pipe 45, a connecting rod 46, an electromagnet 47, a wiring terminal 48, a wiring rod 50, a fixing rod 51, an iron block 52, a conductive block 53, a metal ball 60, a lead wire 70 and a cylinder 80.
Example one
This embodiment is substantially as shown in fig. 1: the temperature measurement alarm device for the electrical equipment comprises an alarm unit, a temperature control unit, a controller and a temperature tester, wherein the temperature tester is installed in the electrical equipment 10 and used for detecting the temperature inside the electrical equipment 10. In the embodiment, the controller used is a controller of Shenzhen, Pule electronics, Inc. model number MAM-280A.
The temperature control unit comprises a power mechanism, an intermediate cylinder 40 and a liquid nitrogen tank 20, wherein the intermediate cylinder 40 and the liquid nitrogen tank 20 are both fixedly arranged on the shell of the electrical equipment 10. The liquid nitrogen tank 20 is connected with a connecting pipe 21, and the connecting pipe 21 is provided with an electromagnetic valve 22; one end of the connecting pipe 21 is communicated with the shell of the electrical equipment 10, a spray pipe 23 communicated with the connecting pipe 21 is arranged in the electrical equipment 10, and a plurality of air injection columns are connected to the spray pipe 23.
Two horizontally arranged wiring rods 50 are arranged in the middle barrel 40, and one side of each wiring rod 50 penetrates through the right side wall of the middle barrel 40 and is connected to the right side wall in a sliding mode. A lead 70 is connected between the connection rod 50 and the electromagnetic valve 22, and a first power supply is connected to the lead 70. A piston 41 capable of sliding horizontally and reciprocally is slidably and hermetically connected in the intermediate cylinder 40, an energizing guide tab capable of connecting the two terminal rods 50 is fixed on the piston 41, and when the energizing guide tab is connected with the terminal rods 50, a circuit formed by the energizing guide tab, the terminal rods 50, the lead wire 70, the first power source and the solenoid valve 22 is closed. A fixing rod 51 is connected between the two connecting rods 50, and an iron block 52 is mounted on the fixing rod 51. An electromagnet 47 and two terminals 48 are mounted on the intermediate cylinder 40, the electromagnet 47 is mounted on the right side wall of the intermediate cylinder 40, and when the electromagnet 47 is energized, the electromagnet 47 can generate an attraction force that attracts the iron block 52. An electric wire is connected between the terminal 48 and the electromagnet 47, and a second power source, in this embodiment, both a battery and the first power source, is connected to the electric wire. One of the connecting rods 50 is provided with a conductive block 53, the conductive block 53 is mounted on the connecting rod 50 through a plastic bracket, and when the power mechanism drives the connecting rod 50 on the piston 41 to move to the extreme position, the conductive block 53 is connected with two terminals 48 (not shown in the figure).
The right side wall of the middle cylinder 40 is provided with a through hole, the left side wall of the middle cylinder 40 is connected with an exhaust pipe 42 and an air inlet pipe 45, one end of the air inlet pipe 45 is communicated with the shell of the electrical equipment 10, the exhaust pipe 42 is provided with a one-way exhaust valve 43, and the air inlet pipe 45 is provided with a one-way intake valve 44. When the pressure in the middle cylinder 40 is increased, the one-way exhaust valve 43 is automatically opened, and the gas in the middle cylinder 40 is exhausted through the exhaust pipe 42; when the pressure in the intermediate cylinder 40 decreases, the one-way intake valve automatically opens, and the gas in the electrical apparatus 10 enters the gas intermediate cylinder 40 through the intake pipe 45.
The power mechanism comprises a motor 30, the motor 30 is fixedly installed on a shell of the electrical equipment 10, a cam 31 is welded on an output shaft of the motor 30, and a closed cam 31 groove is formed in the circumferential direction of the cam 31. A connecting rod 46 is welded on the piston 41, one end of the connecting rod 46 penetrates through and is connected to the left side wall of the middle cylinder 40 in a sliding mode, and a clamping rod with one end clamped in the groove of the cam 31 is fixed on the connecting rod 46. The motor 30 and the temperature tester are both in communication connection with the controller, when the temperature tester detects that the temperature in the electrical equipment 10 is abnormal, the temperature tester transmits a signal to the controller, and the controller receives the signal and then controls the motor 30 to work.
The alarm unit is a metal ball 60 suspended in the intermediate cylinder 40, and a sounding block which can collide with the metal ball 60 to make a sound is fixed on the piston 41. After the temperature tester transmits the abnormal temperature signal to the controller, the controller controls the motor 30 to work, the motor 30 drives the piston 41 to slide back and forth through the cam 31, and the metal ball 60 on the piston 41 collides with the sound generating block to generate sound to remind workers of checking the condition of the electrical equipment 10 as soon as possible.
When the heat dissipation of the electrical device 10 is abnormal in the operation process, which causes the internal temperature to be too high, the temperature tester detects the abnormal condition, transmits a signal to the controller, the controller controls the motor 30 to rotate, and the motor 30 drives the cam 31 to rotate. During the rotation of the cam 31, the cam 31 drives the piston 41 to slide back and forth along the inner wall of the intermediate cylinder 40 through the catch, connecting rod 46. When the piston 41 starts to slide towards the wiring rod 50 side, the energizing guide sheet on the piston 41 is firstly connected with the wiring rod 50, the electromagnetic valve 22 is opened, the pressure in the liquid nitrogen tank 20 is rapidly reduced, the liquid nitrogen is gasified into nitrogen gas, and then enters the electrical equipment 10 through the connecting pipe 21, so that the interior of the electrical equipment 10 is rapidly cooled. When the piston 41 moves to the extreme position, the piston 41 pushes the wiring rod 50 to the farthest position, the conductive blocks 53 on the wiring rod 50 are connected with the two wiring terminals 48, the electromagnet 47 is electrified to generate magnetic force, the electromagnet 47 generates attraction force on the iron block 52, and the iron block 52 and the two wiring rods 50 continue to slide towards one side of the electromagnet 47 for a certain distance. Then the piston 41 slides in the opposite direction, the conductive tab on the piston 41 gradually moves away from the terminal lever 50, the circuit is broken, and the solenoid valve 22 is closed. Thereafter, when the piston 41 slides toward the terminal lever 50 again, the piston 41 moves to the limit position and cannot contact the terminal lever 50, that is, the electromagnetic valve 22 is not opened any more, thereby avoiding excessive cooling of the electrical apparatus 10.
Example two
The difference between the present embodiment and the first embodiment is that the alarm unit in the present embodiment is a buzzer, and the buzzer is electrically connected to the controller. After the temperature tester transmits the abnormal temperature signal to the controller, the controller makes the buzzer sound to remind workers to check the condition of the electrical equipment 10 as soon as possible.
EXAMPLE III
As shown in fig. 2, the temperature measurement alarm device for electrical equipment includes an alarm unit, a temperature control unit, a controller, and a temperature tester, where the temperature tester is installed in the electrical equipment 10 and is used to detect the temperature inside the electrical equipment 10.
The temperature control unit comprises a power mechanism, an intermediate cylinder 40 and a liquid nitrogen tank 20, wherein the intermediate cylinder 40 and the liquid nitrogen tank 20 are both fixedly arranged on the shell of the electrical equipment 10. The liquid nitrogen tank 20 is connected with a connecting pipe 21, and the connecting pipe 21 is provided with an electromagnetic valve 22; one end of the connecting pipe 21 is communicated with the shell of the electrical equipment 10, a spray pipe 23 communicated with the connecting pipe 21 is arranged in the electrical equipment 10, and a plurality of air injection columns are connected to the spray pipe 23.
Two horizontally arranged wiring rods 50 are arranged in the middle barrel 40, and one side of each wiring rod 50 penetrates through the right side wall of the middle barrel 40 and is connected to the right side wall in a sliding mode. A lead 70 is connected between the connection rod 50 and the electromagnetic valve 22, and a first power supply is connected to the lead 70. A piston 41 capable of horizontally sliding back and forth is slidably and hermetically connected in the intermediate cylinder 40, an energizing guide tab capable of connecting the two terminal rods 50 is fixed on the piston 41, and when the energizing guide tab is connected with the terminal rods 50, a circuit formed by the energizing guide tab, the terminal rods 50, the lead wire 70, the first power source and the solenoid valve 22 is closed. A fixing rod 51 is connected between the two connection rods 50. The right side wall of the middle cylinder 40 is provided with a through hole, the left side wall of the middle cylinder 40 is connected with an exhaust pipe 42 and an air inlet pipe 45, one end of the air inlet pipe 45 is communicated with the shell of the electrical equipment 10, the exhaust pipe 42 is provided with a one-way exhaust valve 43, and the exhaust pipe 42 is provided with a one-way intake valve 44. When the pressure in the middle cylinder 40 is increased, the one-way exhaust valve 43 is automatically opened, and the gas in the middle cylinder 40 is exhausted through the exhaust pipe 42; when the pressure in the intermediate cylinder 40 decreases, the one-way intake valve automatically opens, and the gas in the electric apparatus 10 is taken into the intermediate cylinder 40 through the intake pipe 45.
The alarm unit is a metal ball 60 suspended in the intermediate cylinder 40, and a sounding block which can collide with the metal ball 60 to make a sound is fixed on the piston 41.
The power mechanism is a cylinder 80, and the rod of a piston 41 of the cylinder 80 passes through the inflator and is fixed on the piston 41. The air cylinder 80 and the temperature tester are both in communication connection with the controller, when the temperature tester detects that the temperature in the electrical equipment 10 is abnormal, the temperature tester transmits signals to the controller, the controller controls the air cylinder 80 to work, and the piston 41 of the air cylinder 80 pushes the piston 41 to move towards one side of the wiring rod 50.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the present invention.
Claims (10)
1. Electric equipment temperature measurement alarm device, its characterized in that: the temperature monitoring device comprises an alarm unit, a temperature control unit, a controller and a temperature tester for detecting the internal temperature of electrical equipment; the temperature control unit comprises a power mechanism, a middle cylinder and a liquid nitrogen tank, the liquid nitrogen tank is connected with a connecting pipe communicated with the shell of the electrical equipment, and the connecting pipe is provided with an electromagnetic valve; two wiring rods are arranged in the middle barrel, a lead is connected between each wiring rod and the corresponding electromagnetic valve, and a first power supply is connected to each lead; the middle cylinder is connected with a piston in a sliding way; the piston is provided with an electrifying guide sheet capable of connecting the two wiring rods, and the power mechanism drives the piston to slide towards one side of the wiring rod; the middle cylinder is connected with an air inlet pipe of which one end is communicated with the shell of the electrical equipment; the power mechanism and the temperature tester are both in communication connection with the controller.
2. The temperature measurement alarm device for electrical equipment according to claim 1, wherein: the power mechanism is a cylinder, and a piston rod of the cylinder penetrates through the inflator pump and is fixed on the piston.
3. The temperature measurement alarm device for electrical equipment according to claim 1, wherein: the power mechanism comprises a motor, an output shaft of the motor is connected with a cam, and a closed cam groove is formed in the circumferential direction of the cam; the piston is provided with a connecting rod, one end of the connecting rod penetrates through the middle cylinder, and the connecting rod is provided with a clamping rod, one end of the clamping rod is clamped in the cam groove.
4. The temperature measurement alarm device for electrical equipment according to claim 3, wherein: the piston horizontally slides back and forth along the inner wall of the middle cylinder; the wiring rod is horizontally connected in the middle barrel in a sliding manner; the middle cylinder is also provided with an exhaust pipe, and the exhaust pipe is provided with a one-way exhaust valve; the air inlet pipe is provided with a one-way air inlet valve.
5. The temperature measurement alarm device for electrical equipment according to claim 4, wherein: a fixed rod is connected between the two wiring rods, and an iron block is arranged on the fixed rod; the middle cylinder is provided with an electromagnet and two binding posts, the electromagnet can attract the iron block, an electric wire is connected between the binding posts and the electromagnet, and a second power supply is connected on the electric wire; one of the wiring rods is provided with a conductive block, and when the piston pushes the wiring rod to move to the limit position, the conductive block is connected with the two wiring terminals.
6. The temperature measurement alarm device for electrical equipment according to claim 5, wherein: one side of the wiring rod penetrates through and is connected with the side wall of the middle barrel in a sliding mode.
7. The temperature measurement alarm device for electrical equipment according to any one of claims 1 to 6, wherein: the electrical equipment is internally provided with a spray pipe communicated with the connecting pipe, and the spray pipe is provided with a plurality of air spray columns.
8. The temperature measurement alarm device for electrical equipment according to any one of claims 1 to 6, wherein: the alarm unit is a buzzer, and the buzzer is electrically connected with the controller.
9. The temperature measurement alarm device for electrical equipment according to any one of claims 1 to 6, wherein: the alarm unit is a metal ball hung in the middle cylinder, and the piston is provided with a sounding block which can collide with the metal ball to make a sound.
10. The temperature measurement alarm device for electrical equipment according to claim 5, wherein: the first power supply and the second power supply are both batteries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911208592.5A CN110823389B (en) | 2019-11-30 | 2019-11-30 | Temperature measuring alarm device for electrical equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911208592.5A CN110823389B (en) | 2019-11-30 | 2019-11-30 | Temperature measuring alarm device for electrical equipment |
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| CN110823389A true CN110823389A (en) | 2020-02-21 |
| CN110823389B CN110823389B (en) | 2020-12-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111987626A (en) * | 2020-07-28 | 2020-11-24 | 河南工业职业技术学院 | Temperature protection structure and electrical equipment connecting device |
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| CN110501939A (en) * | 2019-08-02 | 2019-11-26 | 国网浙江省电力有限公司嘉兴供电公司 | A kind of transformer fault early warning system and its control method based on electric power Internet of Things |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111987626A (en) * | 2020-07-28 | 2020-11-24 | 河南工业职业技术学院 | Temperature protection structure and electrical equipment connecting device |
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| CN110823389B (en) | 2020-12-01 |
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Effective date of registration: 20231024 Address after: 402160 in Sanjiao Industrial Park, Yongchuan District, Chongqing Patentee after: CHONGQING FENGYING AUTO ACCESSORIES CO.,LTD. Address before: No.319, Honghe Avenue, Yongchuan District, Chongqing 401331 Patentee before: CHONGQING University OF ARTS AND SCIENCES |