CN114739529B - Mechanical high-low voltage motor temperature measuring device capable of reflecting temperature through resistor - Google Patents
Mechanical high-low voltage motor temperature measuring device capable of reflecting temperature through resistor Download PDFInfo
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- CN114739529B CN114739529B CN202210506553.9A CN202210506553A CN114739529B CN 114739529 B CN114739529 B CN 114739529B CN 202210506553 A CN202210506553 A CN 202210506553A CN 114739529 B CN114739529 B CN 114739529B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/18—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer
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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
- G01K1/04—Scales
- G01K1/06—Arrangements for facilitating reading, e.g. illumination, magnifying glass
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- 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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/25—Devices for sensing temperature, or actuated thereby
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Abstract
The invention discloses a mechanical high-low voltage motor temperature measuring device reflecting temperature through resistance, which belongs to the technical field of motors and comprises an outer part and an inner part inside the outer part, wherein the inner part comprises an inner upper part and an inner middle part, the upper surface of the inner upper part is provided with an inner upper threaded hole, an inner upper hole and an inner upper hole, the inner upper hole is internally provided with an insulating cup, the insulating cup is internally provided with a conductive sliding shaft, the upper end of the conductive sliding shaft is internally provided with a conductive shaft threaded hole, the excircle of the upper end of the conductive sliding shaft is provided with a conductive shaft end ring, the outer circle of the lower side of the insulating sliding shaft is provided with a welding hole, the outer circle of the lower side of the insulating sliding shaft is provided with a winding groove, and the mechanical high-low voltage motor temperature measuring device reflecting temperature through resistance of an enameled wire can reflect the working temperature of a motor through the resistance value of the enameled wire.
Description
Technical Field
The invention belongs to the technical field of motors, and particularly relates to a mechanical high-low voltage motor temperature measuring device capable of reflecting temperature through a resistor.
Background
The motor can produce great heat in the operation process, need carry out real-time supervision to its temperature in motor operation process for avoiding motor high temperature.
The temperature measuring device of the existing high-low voltage motor usually adopts a mode of matching gears with pointers to reflect temperature, the scheme is a scheme of directly displaying the temperature through machinery, an instrument adopting the scheme is a thermometer usually, the other scheme is a mode of directly changing electrical performance through the temperature to reflect the temperature, the instrument adopting the scheme is various platinum thermistors usually, but the instrument needs to display the temperature by means of elements such as a display screen and the like, the temperature cannot be directly reflected like the traditional thermometer, and the traditional thermometer is difficult to realize electrification transformation.
Disclosure of Invention
The invention aims to provide a mechanical high-low voltage motor temperature measuring device reflecting temperature through a resistor, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a mechanical high-low voltage motor temperature measuring device reflecting temperature through resistance comprises an external part and an internal part inside the external part, wherein the internal part comprises an inner upper part and an inner middle part, an inner upper threaded hole, an inner upper hole and an inner upper hole are formed in the upper surface of the inner upper part, an insulating cup is arranged in the inner upper hole, a conductive sliding shaft is arranged in the insulating cup, a conductive shaft threaded hole is formed in the upper end of the conductive sliding shaft, a conductive shaft end ring is formed in the excircle of the upper end of the conductive sliding shaft, a spring is sleeved outside the conductive sliding shaft, insulating sliding shafts are arranged in the inner upper holes and the inner upper holes, an insulating shaft cavity is formed in the inner upper end of the insulating sliding shaft, an insulating shaft end ring is arranged in the excircle of the upper end of the insulating sliding shaft, a conductive piece welding hole is formed in the lower side wall of the insulating shaft cavity, a conductive piece winding groove is formed in the excircle of the lower side of the insulating sliding shaft, a conductive sliding shaft and an insulating sliding shaft are provided with the outside, an insulating part, an insulating shaft cavity is provided with an insulating shaft end ring, a conductive column threaded hole is formed in the upper end of the conductive column, and the lower end of the conductive column is provided with an inner middle part;
the conductive piece comprises a first conductive tube sleeved outside the conductive sliding shaft and a second conductive tube sleeved outside the insulating sliding shaft, a connecting line is arranged between the first conductive tube and the second conductive tube, the accommodating piece comprises a first accommodating tube sleeved outside the first conductive tube and a second accommodating tube sleeved outside the second conductive tube, and the first accommodating tube and the second accommodating tube are connected through a connecting sheet with a middle opening in the middle;
the downside of upper portion is equipped with interior lower part in the above-mentioned, upper portion in the above-mentioned, it has and interior lower part coaxial balance to say to open in interior middle part and the interior lower part, above-mentioned balance says that inside is equipped with the trigger shaft, inside opening of above-mentioned trigger shaft upper end has the axle screw hole of touching, above-mentioned trigger shaft upper end excircle is equipped with the epaxial piece of touching and touches a lower piece of axle, above-mentioned trigger shaft lower extreme excircle is opened there is the axle end groove of touching, the above-mentioned axle end inslot portion of touching is equipped with the sealing washer, above-mentioned trigger shaft upper end is located inside the piece mesopore, the inside screw that has twisted of above-mentioned axle screw hole of touching, the inside winding of above-mentioned winding inslot has the enameled wire, above-mentioned electrically conductive sliding shaft is fixed inside the insulating shaft chamber, above-mentioned enameled wire upper end is located inside welding hole and the line hole, above-mentioned outer piece includes outer upper portion, outer middle part and outer lower part.
Preferably, an outer sealing gasket is arranged on the lower surface of the outer upper portion, a cavity sealing gasket is arranged between the inner upper portion and the outer upper portion, a sliding shaft gasket is arranged above the end ring of the conductive shaft, and an insulating gasket is arranged above the end ring of the insulating shaft.
Preferably, the outer circle of the inner upper portion is provided with an upper wrench groove, and the outer circle of the outer upper portion is provided with a lower wrench groove.
Preferably, a cup rim is disposed at an upper end edge of the insulating cup, and tube fillets are formed at inner edges of two ends of the second conductive tube.
Preferably, the inner middle part is externally provided with an inner middle thread, the outer upper part is internally provided with an outer upper thread, the outer middle part is externally provided with an outer middle thread, and the inner space of the outer lower part is an oil cavity.
Preferably, the external upper thread is engaged with the internal middle thread, the upper edge of the first accommodating tube is provided with a first pipeline port, and the upper edge of the second accommodating tube is provided with a second pipeline port.
Preferably, the enamel wire is spirally wound to form a tubular structure, the enamel wire is welded to the conductive post, and the insulating varnish is scraped from the outer circumference of the tubular structure formed by the enamel wire.
Preferably, a containing cylinder is arranged above the inner part, cylinder flanges are arranged at the upper end and the lower end of the containing cylinder, flange holes distributed in an annular array are formed in the cylinder flanges, cylinder gaskets are arranged at two ends of the containing cylinder, and gasket holes are formed in the cylinder gaskets.
Preferably, the lower end of the accommodating cylinder is connected with the internal part through a cylinder screw, the upper end of the accommodating cylinder is connected with the top cover through a cylinder screw, a cover threaded hole, a cover first hole and a cover second hole are formed in the top cover, the upper end of the conductive sliding shaft enters the cover second hole, and the upper end of the insulating sliding shaft enters the cover first hole.
Preferably, terminal screws are screwed into the column threaded holes and the conductive shaft threaded holes.
The invention has the technical effects and advantages that:
this mechanical type high-low voltage motor temperature measuring device through resistance reflection temperature, the mode through the inside sufficient hydraulic oil deformation of external member promotes the trigger shaft and removes, the mode that removes through the trigger shaft promotes electrically conductive piece and holds the piece and slide at electrically conductive sliding shaft and enameled wire outside, the extension length of trigger shaft is different when being in different temperatures, consequently, the length that inserts the enameled wire in return circuit is different, the resistance that the enameled wire in the access circuit embodies is also different, the temperature of being surveyed the motor is embodied to the resistance through the enameled wire, because holding cylinder is made for transparent material, the degree that holds the piece and also embodied the height of temperature along electrically conductive sliding shaft and insulating sliding shaft displacement, the temperature is observed to the mode that the accessible adds the scale outside holding cylinder, the instrument formula advantage of being convenient for observe has been taken into account to this scheme, and the return circuit of electrical detection temperature can the direct access.
Drawings
FIG. 1 is an external structural view of an embodiment of the present invention;
FIG. 2 is a sectional structure diagram of the embodiment of the present invention;
FIG. 3 is a schematic diagram of the structure at A in FIG. 2 according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of the structure at B in FIG. 2 according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a separated state structure according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a cross-section state of the conductive pillar according to the embodiment of the present invention;
FIG. 7 is a sectional view of the conductive sliding shaft according to the embodiment of the present invention;
FIG. 8 is a sectional view of the insulating sliding shaft according to the embodiment of the present invention;
FIG. 9 is a schematic view of a conductive device according to an embodiment of the present invention;
FIG. 10 is a schematic view of a receiving member according to an embodiment of the present invention;
FIG. 11 is a sectional view of the trigger shaft and the sealing ring in a separated state according to the embodiment of the present invention;
FIG. 12 is a sectional view of the insulation cup according to the embodiment of the present invention;
FIG. 13 is a schematic view of a cutaway configuration of an internal member according to an embodiment of the present invention;
fig. 14 is a structural diagram of the outer part according to the embodiment of the invention in a cutaway state.
In the figure: 1. a terminal screw; 2. a top cover; 201. a cover threaded hole; 202. covering a hole; 203. covering two holes; 3. a cartridge gasket; 301. a shim hole; 4. barrel screws; 5. a receiving cylinder; 501. a cartridge flange; 502. a flange hole; 6. a conductive post; 601. a post threaded hole; 602. a wire hole; 7. a slide shaft gasket; 8. an insulating spacer; 9. a conductive slide shaft; 901. a conductive shaft threaded hole; 902. a conductive shaft end ring; 10. a spring; 11. an insulating slide shaft; 1101. an insulated shaft end ring; 1102. an insulating shaft cavity; 1103. welding the hole; 1104. a winding groove; 12. enameled wires; 13. a conductive member; 1301. a first conductive tube; 1302. a connecting wire; 1303. a second conductive tube; 1304. pipe fillets; 14. a screw; 15. a receiving member; 1501. a first containment tube; 1502. a second accommodating tube; 1503. connecting sheets; 1504. a first line port; 1505. a second line port; 1506. a sheet mesopore; 16. a trigger shaft; 1601. a touch shaft threaded hole; 1602. a touch shaft is arranged on the sheet; 1603. a lower sheet of the contact shaft; 1604. a contact shaft end groove; 17. a seal ring; 18. an insulating cup; 1801. a cup rim; 19. an inner member; 1901. an inner upper portion; 1902. an inner middle part; 1903. an inner lower portion; 1904. an inner upper threaded hole; 1905. a hole is arranged on the inner part; 1906. two holes are arranged on the inner part; 1907. an upper wrench groove; 1908. an inner and middle thread; 1909. a balance way; 20. a cavity seal; 21. an outer piece; 2101. an outer upper portion; 2102. an outer middle portion; 2103. an outer lower portion; 2104. external upper threads; 2105. a lower wrench groove; 2106. external and middle threads; 2107. an oil chamber; 22. an outer seal.
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.
Referring to fig. 1-14, a mechanical high-low voltage motor temperature measuring device for reflecting temperature through resistance is shown, a terminal screw 1 is screwed into a column screw hole 601 and a conductive shaft screw hole 901, a cover screw hole 201, a cover first hole 202 and a cover second hole 203 are formed in a top cover 2, the top cover 2 is arranged at the upper end of a containing cylinder 5, a cylinder gasket 3 is arranged between the top cover 2 and the containing cylinder 5, cylinder flanges 501 are formed at the upper end and the lower end of the containing cylinder 5, flange holes 502 distributed in an annular array are formed in the cylinder flanges 501, cylinder gaskets 3 are arranged at two ends of the containing cylinder 5, gasket holes 301 are formed in the cylinder gaskets 3, the top cover 2 penetrates through a gasket hole 301 in the barrel gasket 3 on the upper side and a flange hole 502 in the barrel flange 501 through a barrel screw 4 to enter the cover threaded hole 201 to complete connection of the containing barrel 5 and the top cover 2, the barrel flange 501 on the lower side penetrates through the barrel flange 501 and the gasket hole 301 below the barrel flange to enter the inner upper threaded hole 1904 through the barrel screw 4 to complete connection of the containing barrel 5 and the internal part 19, the lower end of the containing barrel 5 is connected with the internal part 19 through the barrel screw 4, the upper end of the containing barrel 5 is connected with the top cover 2 through the barrel screw 4, the upper end of the conductive sliding shaft 9 enters the inner part of the cover two holes 203, the upper end of the insulating sliding shaft 11 enters the inner part of the cover one hole 202, the containing barrel 5 is made of a transparent material, the containing barrel 5 can be made of toughened glass or acrylic, and the top cover 2 is made of engineering plastics.
Referring to fig. 4-9, a conductive pillar 6 is disposed inside the insulating shaft cavity 1102, a pillar threaded hole 601 is formed at an upper end of the conductive pillar 6, a wire hole 602 is formed at a lower end of the conductive pillar 6, an upper end of the enameled wire 12 enters the wire hole 602 and is welded to the wire hole 602, the conductive pillar 6 and the insulating sliding shaft 11 are of a prefabricated integrated structure, and the enameled wire 12 is also of a structure prefabricated outside the insulating sliding shaft 11;
a conductive sliding shaft 9 is arranged in the insulating cup 18, a conductive shaft threaded hole 901 is formed in the upper end of the conductive sliding shaft 9, a conductive shaft end ring 902 is formed in the excircle of the upper end of the conductive sliding shaft 9, a spring 10 is sleeved outside the conductive sliding shaft 9, the upper end of the spring 10 abuts against the conductive shaft end ring 902, the lower end of the spring 10 abuts against the first conductive pipe 1301, the insulating sliding shaft 11 is made of engineering plastics, the insulating sliding shaft 11 can also be made of other insulating materials with good mechanical performance, an insulating shaft cavity 1102 is formed in the upper end of the insulating sliding shaft 11, an insulating shaft end ring 1101 is arranged in the excircle of the upper end of the insulating sliding shaft 11, a welding hole 1103 is formed in the lower side wall of the insulating shaft cavity 1102, and a winding groove 1104 is formed in the excircle of the lower side of the insulating sliding shaft 11;
the conductive sliding shaft 9 and the insulating sliding shaft 11 are externally provided with a conductive piece 13 and a containing piece 15, the conductive piece 13 and the containing piece 15 are of a prefabricated integrated structure, the conductive piece 13 comprises a first conductive tube 1301 sleeved outside the conductive sliding shaft 9 and a second conductive tube 1303 sleeved outside the insulating sliding shaft 11, a connecting wire 1302 is arranged between the first conductive tube 1301 and the second conductive tube 1303, an insulating rubber sheet or a heat shrink tube can be selectively added outside the connecting wire 1302, and the first pipeline port 1504 and the second pipeline port 1505 are used for containing the connecting wire 1302.
Referring to fig. 10-14, the inner member 19 includes an inner upper portion 1901 and an inner middle portion 1902, an inner upper threaded hole 1904, an inner upper hole 1905 and an inner upper two holes 1906 are opened on the upper surface of the inner upper portion 1901, an insulating cup 18 is disposed inside the inner upper hole 1905, an insulating sliding shaft 11 is disposed inside the inner upper two holes 1906, the accommodating member 15 includes a first accommodating tube 1501 disposed outside the first conductive tube 1301 and a second accommodating tube 1502 disposed outside the second conductive tube 1303, the first accommodating tube 1501 and the second accommodating tube 1502 are connected by a connection piece 1503 of the middle opening 1506, the upper connection piece 1602 of the contact shaft is located below the connection piece 1503, a screw head portion of the screw 14 is located above the connection piece 1503, and a lower piece 1603 of the contact shaft is located above the inner upper portion 1901;
an inner lower portion 1903 is arranged on the lower side of the inner upper portion 1901, a balance channel 1909 coaxial with the inner lower portion 1903 is formed in the inner upper portion 1901, a trigger shaft 16 is arranged inside the balance channel 1909, the trigger shaft 16 can axially move inside the balance channel 1909, a trigger shaft threaded hole 1601 is formed inside the upper end of the trigger shaft 16, a trigger shaft upper piece 1602 and a trigger shaft lower piece 1603 are arranged on the excircle of the upper end of the trigger shaft 16, a trigger shaft end groove 1604 is formed on the excircle of the lower end of the trigger shaft 16, a sealing ring 17 is arranged inside the trigger shaft end groove 1604, the sealing ring 17 is used for preventing hydraulic oil from seeping out from the outside of the trigger shaft 16, the upper end of the trigger shaft 16 is located inside the piece middle hole 1506, a piece screw 14 is screwed inside the trigger shaft threaded hole 1601, an enameled wire 12 is wound inside the winding groove, the conductive sliding shaft 9 is fixed inside the insulating shaft cavity 1102, the upper end of the enameled wire 12 is located inside a welding hole 1103 and a wire hole 602, the outer piece 21 comprises an outer upper portion 2101, an outer middle portion 2102 and an outer lower portion 2103, and an inner portion 19 and an outer piece 21 are connected through threads.
Referring to fig. 10-14, an outer sealing pad 22 is disposed on a lower surface of the outer upper portion 2101, a cavity sealing pad 20 is disposed between the inner upper portion 1901 and the outer upper portion 2101, a sliding shaft gasket 7 is disposed above the conductive shaft end ring 902 for eliminating an axial gap of the conductive sliding shaft 9, an insulating gasket 8 is disposed above the insulating shaft end ring 1101, an upper wrench groove 1907 is disposed on an outer circle of the inner upper portion 1901, a lower wrench groove 2105 is disposed on an outer circle of the outer upper portion 2101, a cup rim 1801 is disposed on an upper end edge of the insulating cup 18, a pipe fillet 1304 is disposed on inner edges of two ends of the second conductive pipe 1303, an inner middle thread 1908 is disposed outside the inner middle portion 1902, an outer upper thread 2104 is disposed inside the outer upper portion 2101, an outer middle thread 2106 is disposed outside the outer middle portion 2103, an inner space of the outer lower portion 2107 is an oil cavity, hydraulic oil is filled inside the oil cavity 2107, hydraulic oil can be replaced with other liquid with a large thermal expansion coefficient, a spiral thread is engaged with the inner thread 1908, a spiral thread 19 and a spiral thread 12, a second conductive wire 12 is welded with the outer conductive wire 12, and the outer conductive wire 12 is connected with the outer conductive wire 12.
The mechanical high-low voltage motor temperature measuring device reflecting the temperature through the resistor is characterized in that an outer part 21 is arranged inside a shell of a motor and is fully connected with the shell of the motor, a specific connection scheme is that a hole is formed in the shell of the motor to be measured, then the outer part 21 is screwed into a cover hole, a filling gap between the outer part 21 and the hole is filled with heat-conducting silicone grease, after the temperature of the motor is increased during operation, the temperature of hydraulic oil inside the outer part 21 rises, the volume expands to push a trigger shaft 16 upwards, the trigger shaft 16 drives a containing part 15 and a conductive part 13 outside the containing part to move when moving, and the conductive part 13 electrically connects a conductive sliding shaft 9 with an enameled wire 12;
the conductive sliding shaft 9 and the conductive column 6 are connected in series to a resistance test circuit through a terminal screw 1, the temperature change of the motor is reflected through the resistance test circuit, the lengths of the enameled wires 12 connected to the circuit are different when the conductive piece 13 slides to different positions, the resistance value of the enameled wires 12 in the circuit is changed through the difference of the lengths of the enameled wires 12 connected to the circuit, the spring 10 is used for resetting the accommodating piece 15, the spring 10 pushes the trigger shaft 16 to be filled with hydraulic oil to reduce the volume after the motor stops working at a temperature, the upper wrench groove 1907 and the lower wrench groove 2105 are used for assisting the use of an open-end wrench, and the insulating cup 18 is in interference fit with the inner upper hole 1905;
the hydraulic oil in the external part 21 is selected from a liquid material with a large thermal expansion coefficient, including but not limited to an oil material, if the thermal expansion amount of the working medium in the external part 21 is insufficient, two processing schemes are provided, one is to increase the capacity of the external part 21, manufacture the external part 21 with a larger volume, increase the expansion amount when being heated by increasing the mass of the working medium, and the other is to reduce the diameters of the trigger shaft 16 and the balance channel 1909, so that the thermal expansion of the working medium can be sensed more sensitively after the internal volume of the balance channel 1909 is reduced, and the working medium can be glycerol or turpentine oil;
when the scales outside the accommodating cylinder 5 are determined, the device is arranged in a plurality of liquids with different temperatures to observe the rising amount of the accommodating part 15, the amount of the working medium in the outer part 21 expanding to push the trigger shaft 16 at different temperatures is directly tested in this way, and then the height scales of the accommodating part 15 in the accommodating cylinder 5 at different temperatures are marked on the outer wall of the accommodating cylinder 5, and because the temperature of the liquid to be measured is determined at the moment, the corresponding temperature can be marked on the side surface of the height scale outside the accommodating cylinder 5;
if a functional relation between the resistance value represented by the enameled wire 12 and the temperature needs to be obtained, the resistance value represented by the enameled wire 12 at different temperatures is counted in a coordinate axis table mode, the Y axis of the table is the resistance value represented by the enameled wire 12 in a circuit, the X axis of the table is the temperature of an object detected by the device, five degrees centigrade is used as a boundary, the smaller the measurement interval is, the more accurate the value is, the resistance values represented by the enameled wire 12 at different degrees centigrade are sequentially recorded, coordinate points are marked on the table, then, the plurality of coordinate points are connected through lines on a graph, a comparison curve of the temperature and the resistance value is obtained, the comparison function formula of the temperature value and the resistance value of the enameled wire 12 in the circuit is calculated through numbers provided by the coordinate axis table, and the temperature of the detected object can be reversely judged through the resistance value by using a curve picture.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the scope of the present invention.
Claims (9)
1. A mechanical high-low voltage motor temperature measuring device reflecting temperature through a resistor comprises an outer piece (21) and an inner piece (19) inside the outer piece, and is characterized in that: the inner piece (19) comprises an inner upper portion (1901) and an inner middle portion (1902), the upper surface of the inner upper part (1901) is provided with an inner upper threaded hole (1904), an inner upper hole (1905) and an inner upper two holes (1906), an insulating cup (18) is arranged in the upper inner hole (1905), a conductive sliding shaft (9) is arranged in the insulating cup (18), a conductive shaft threaded hole (901) is formed in the upper end of the conductive sliding shaft (9), the excircle of the upper end of the conductive sliding shaft (9) is provided with a conductive shaft end ring (902), a spring (10) is sleeved outside the conductive sliding shaft (9), an insulating sliding shaft (11) is arranged inside the two inner upper holes (1906), an insulating shaft cavity (1102) is formed in the upper end of the insulating sliding shaft (11), an insulating shaft end ring (1101) is arranged on the excircle of the upper end of the insulating sliding shaft (11), the lower side wall of the insulating shaft cavity (1102) is provided with a welding hole (1103), the excircle of the lower side of the insulating sliding shaft (11) is provided with a winding groove (1104), the conductive sliding shaft (9) and the insulating sliding shaft (11) are externally provided with a conductive piece (13) and a containing piece (15), a conductive column (6) is arranged in the insulating shaft cavity (1102), a column threaded hole (601) is formed in the upper end of the conductive column (6), and a line hole (602) is formed in the lower end of the conductive column (6);
the conductive piece (13) comprises a first conductive tube (1301) sleeved outside the conductive sliding shaft (9) and a second conductive tube (1303) sleeved outside the insulating sliding shaft (11), a connecting line (1302) is arranged between the first conductive tube (1301) and the second conductive tube (1303), the accommodating piece (15) comprises a first accommodating tube (1501) sleeved outside the first conductive tube (1301) and a second accommodating tube (1502) sleeved outside the second conductive tube (1303), and the first accommodating tube (1501) and the second accommodating tube (1502) are connected through a connecting sheet (1503) of the middle split-piece middle hole (1506);
interior upper portion (1901) downside is equipped with interior lower part (1903), it says (1909) with interior lower part (1903) coaxial balance to open in interior upper portion (1901), interior middle part (1902) and interior lower part (1903), balance says that (1909) inside is equipped with trigger shaft (16), inside division of trigger shaft (16) upper end has touch axle screw hole (1601), trigger shaft (16) upper end excircle is equipped with touch axle upper plate (1602) and touches axle lower plate (1603), trigger shaft (16) lower extreme excircle is opened has touch axle end groove (1604), touch axle end groove (1604) inside is equipped with sealing washer (17), trigger shaft (16) upper end is located inside piece mesopore (1506), it has a screw (14) to twist inside the touch axle screw hole (1601), the inside winding groove (12) of winding, electrically conductive smooth enameled wire (9) is fixed inside insulating shaft chamber (1604), enameled wire (12) upper end is located inside welding hole (1103) and heliciform (602), the outer winding hole (2101) of outer wire (2101) includes outer oil pocket (2103), the inner space (2103) outer oil pocket (2107) constitutes for the hydraulic oil chamber (2107), hydraulic oil (2103), the enameled wire (12) is welded with the conductive column (6), insulating paint is scraped from the excircle of a tubular structure formed by the enameled wire (12), and the enameled wire (12) is electrically connected with the second conductive tube (1303).
2. The mechanical high-low voltage motor temperature measuring device reflecting temperature through the resistor as claimed in claim 1, wherein: an outer sealing gasket (22) is arranged on the lower surface of the outer upper portion (2101), a cavity sealing gasket (20) is arranged between the inner upper portion (1901) and the outer upper portion (2101), a sliding shaft gasket (7) is arranged above the conductive shaft end ring (902), and an insulating gasket (8) is arranged above the insulating shaft end ring (1101).
3. The mechanical high-low voltage motor temperature measuring device reflecting temperature through the resistor as claimed in claim 1, wherein: an upper wrench groove (1907) is formed in the outer circle of the inner upper portion (1901), and a lower wrench groove (2105) is formed in the outer circle of the outer upper portion (2101).
4. The mechanical high-low voltage motor temperature measuring device reflecting temperature through the resistor as claimed in claim 1, wherein: the edge of the upper end of the insulating cup (18) is provided with a cup edge ring (1801), and the inner edges of the two ends of the second conductive tube (1303) are provided with tube fillets (1304).
5. The mechanical high-low voltage motor temperature measuring device reflecting temperature through the resistor as claimed in claim 1, wherein: the outer middle part (1902) is externally provided with an inner middle thread (1908), the outer upper part (2101) is internally provided with an outer upper thread (2104), and the outer middle part (2102) is externally provided with an outer middle thread (2106).
6. The mechanical high-low voltage motor temperature measuring device reflecting temperature through the resistor as claimed in claim 5, wherein: the external upper threads (2104) engage the internal intermediate threads (1908), the first receptacle (1501) has a first line port (1504) in the upper edge, and the second receptacle (1502) has a second line port (1505) in the upper edge.
7. The mechanical high-low voltage motor temperature measuring device reflecting temperature through the resistor as claimed in claim 1, wherein: the improved barrel type oil well pump is characterized in that a containing barrel (5) is arranged above the inner piece (19), barrel flanges (501) are arranged at the upper end and the lower end of the containing barrel (5), flange holes (502) distributed in an annular array are formed in the barrel flanges (501), barrel gaskets (3) are arranged at the two ends of the containing barrel (5), and gasket holes (301) are formed in the barrel gaskets (3).
8. The temperature measuring device for the mechanical high-low voltage motor reflecting the temperature through the resistor as claimed in claim 7, wherein: the lower end of the accommodating cylinder (5) is connected with the inner part (19) through a cylinder screw (4), the upper end of the accommodating cylinder (5) is connected with the top cover (2) through the cylinder screw (4), a cover threaded hole (201), a cover first hole (202) and a cover second hole (203) are formed in the top cover (2), the upper end of the conductive sliding shaft (9) enters the inside of the cover second hole (203), and the upper end of the insulating sliding shaft (11) enters the inside of the cover first hole (202).
9. The mechanical high-low voltage motor temperature measuring device reflecting temperature through the resistor as claimed in claim 1, wherein: and terminal screws (1) are screwed in the column threaded holes (601) and the conductive shaft threaded holes (901).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210506553.9A CN114739529B (en) | 2022-05-11 | 2022-05-11 | Mechanical high-low voltage motor temperature measuring device capable of reflecting temperature through resistor |
Applications Claiming Priority (1)
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| US9196387B2 (en) * | 2011-11-03 | 2015-11-24 | Atomic Energy Of Canada Limited | Apparatus and method for detecting position of annulus spacer between concentric tubes |
| CN113049133A (en) * | 2021-02-03 | 2021-06-29 | 安徽绿能仪表设备有限公司 | Quick-release type thermal resistor applicable to heater |
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| EP1944585A2 (en) * | 2007-01-15 | 2008-07-16 | Hitachi, Ltd. | Thermal type fluid sensor and manufacturing method thereof |
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