CN113959573B - Electric contact bimetal thermometer capable of giving alarm when power is off - Google Patents
Electric contact bimetal thermometer capable of giving alarm when power is off Download PDFInfo
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- CN113959573B CN113959573B CN202111240127.7A CN202111240127A CN113959573B CN 113959573 B CN113959573 B CN 113959573B CN 202111240127 A CN202111240127 A CN 202111240127A CN 113959573 B CN113959573 B CN 113959573B
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- 230000007246 mechanism Effects 0.000 claims description 11
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- 239000000463 material Substances 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000010992 reflux Methods 0.000 abstract description 4
- 238000011897 real-time detection Methods 0.000 abstract 1
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- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
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- 230000001105 regulatory effect Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K5/00—Measuring temperature based on the expansion or contraction of a material
- G01K5/48—Measuring temperature based on the expansion or contraction of a material the material being a solid
- G01K5/56—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid
- G01K5/62—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid the solid body being formed of compounded strips or plates, e.g. bimetallic strip
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K5/00—Measuring temperature based on the expansion or contraction of a material
- G01K5/48—Measuring temperature based on the expansion or contraction of a material the material being a solid
- G01K5/56—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid
- G01K5/62—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid the solid body being formed of compounded strips or plates, e.g. bimetallic strip
- G01K5/64—Details of the compounds system
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K5/00—Measuring temperature based on the expansion or contraction of a material
- G01K5/48—Measuring temperature based on the expansion or contraction of a material the material being a solid
- G01K5/56—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid
- G01K5/62—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid the solid body being formed of compounded strips or plates, e.g. bimetallic strip
- G01K5/70—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid the solid body being formed of compounded strips or plates, e.g. bimetallic strip specially adapted for indicating or recording
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses an electric contact bimetal thermometer capable of giving an alarm when power is off, which comprises a stand column, wherein the upper surface of the stand column is fixedly connected with the lower surface of a base body, the surface of the base body is fixedly connected with the inner wall of a lower shell through a screw, and the surface of the lower shell is fixedly connected with an upper shell through a screw. Through setting up heat conduction head, the interface, the stand, the capillary groove, the elasticity interface, the reflux groove, the pressure release groove, first magnetic path and second magnetic path, make it can be after the calibration needle reports an emergency and ask for help or increased vigilance, it reaches the preset value of adjusting screw mark and can realize the scale auto-lock, make it can conveniently know whether the temperature reaches the maximum threshold value, when this kind of mode can real-time detection temperature, can realize the warning of temperature preset value and the mark of maximum temperature threshold value, make it realize the overtemperature and record, and follow-up temperature reduces the pointer and still be in the mark state of maximum threshold value, make it be convenient for in time look over after the warning, and can know whether the temperature reaches dangerous value.
Description
Technical Field
The invention relates to the field of industrial instruments, in particular to an electric contact bimetal thermometer capable of giving an alarm when power is off.
Background
The electric contact bimetal thermometer is applied to a production field and needs to automatically control and alarm the temperature. The temperature of a body, steam and a gaseous medium in the range of-80-500 ℃ in various production processes is directly measured, and the characteristics of the electric contact bimetal thermometer are that: the temperature is displayed on site, and the method is visual and convenient; the automatic power supply cutting-off and alarming functions are achieved; the safety and reliability are realized, and the service life is long; various structural forms can meet different requirements.
The existing bimetal thermometer adopts an electric contact mode to alarm the temperature range, however, in the use of different industrial equipment, the temperature is required to be higher, the temperature exceeds a preset value to alarm, however, when the temperature is larger than the preset value, the highest temperature cannot be determined after the temperature is reduced, so that the highest temperature cannot be effectively determined after the alarm and the judgment is assisted.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the electric contact bimetal thermometer capable of giving an alarm by self-outage, which has higher requirements on the temperature in the use of different industrial equipment, and gives an alarm when the temperature exceeds a preset value, however, when the temperature is larger than the preset value, the highest temperature cannot be determined after the temperature is reduced, so that the highest temperature cannot be effectively determined and assisted in judgment after the alarm.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides an electric contact bimetal thermometer that can report to police from outage, includes the stand, the upper surface of stand and the lower fixed surface of base member are connected, the surface of base member passes through screw fixed connection with the inner wall of lower casing, the surface of lower casing passes through screw fixed connection has the upper casing, the bottom fixedly connected with interface of stand, the bottom of interface is provided with the heat conduction head, the inner wall fixedly connected with dial plate of lower casing.
The upper surface of the dial plate is fixedly connected with an electricity connection assembly, the inner wall of the base body is provided with an elastic interface, the elastic interface is clamped with an elastic piece, the elastic interface is communicated with the capillary groove, the upper surface of the base body is provided with a pressure relief groove, the inner wall of pressure release groove is linked together with the capillary groove, the inner wall of pressure release groove is linked together with the elastic interface through the reflow hole of seting up, sliding connection has the shutoff stopper in the reflow hole, the inner wall fixedly connected with baffle of pressure release groove, the inner wall joint of baffle has a seal cylinder.
The inner wall sliding connection of a seal section of thick bamboo has first magnetic path, the inner wall sliding connection of seal section of thick bamboo and baffle has same second magnetic path, one side of first magnetic path is provided with the airtight board, the surface sliding connection of airtight board is at the inner wall of a seal section of thick bamboo, the surface of airtight board and adjusting screw's one end overlap joint, adjusting screw's surface passes through the inner wall of thread bush joint at the pressure release groove, the inner wall sliding connection of pressure release groove has two pistons.
As a preferable technical scheme of the invention, the left side surface of the partition plate is provided with a backflow hole, the backflow hole is communicated with the capillary groove, the inner wall of the backflow hole is connected with a bolt in a sliding manner, and the inner wall of the backflow hole is communicated with the inner wall of the pressure relief groove through a plurality of communication holes.
As a preferable technical scheme of the invention, the surface of the piston is fixedly connected with a spring, the other end of the spring is overlapped with the inner wall of the pressure relief groove, and one side of the inner wall of the pressure relief groove is provided with a constant pressure hole.
As a preferable technical scheme of the invention, one end of the elastic piece is movably connected with a transmission mechanism, the transmission mechanism is fixedly connected with a pointer, the surface of the power receiving component is provided with two contacts, and the surface of the power receiving component is movably connected with two calibration pins.
As a preferable technical scheme of the invention, the surface of the upper shell is movably connected with an adjusting rod through a fixing seat, and the bottom end of the adjusting rod is fixedly connected with an adjusting plate.
As a preferable technical scheme of the invention, the contact is electrically connected with the corresponding calibration needle, the upper shell is made of transparent plastic material, and the interface is arranged in a thread shape.
As a preferable technical scheme of the invention, the constant pressure hole and the backflow hole are respectively positioned at one side of the two pistons, which is far away from each other, and the opposite surface magnetic poles of the first magnetic block and the second magnetic block are in the same direction.
As a preferable technical scheme of the invention, the connecting part of the capillary groove at the elastic interface is in a convex shape, and the second magnetic block is connected with the communicating part of the pressure release groove and the capillary groove in a sliding way and keeps a blocking state.
As a preferable technical scheme of the invention, the surface of the first magnetic block is provided with a sealing ring and is in sliding connection with the inner wall of the sealing cylinder, and the inner wall of the interface is filled with a heated medium.
Compared with the prior art, the invention has the following beneficial effects:
1. the heat conducting head, the interface, the upright post, the capillary groove, the elastic interface, the reflux groove, the pressure relief groove, the adjusting screw, the airtight plate, the sealing barrel, the sealing ring, the first magnetic block and the second magnetic block are arranged, when in use, along with the matching of the adjusting rod and the adjusting plate, the positions of the two calibration needles are determined, the contact is connected with external alarm equipment, the adjusting screw is rotated according to the maximum temperature of the calibration needles, the air pressure between the air sealing plate and the first magnetic block is changed under the action of the sealing ring, the distance between the first magnetic block and the second magnetic block is changed, the repulsive force acting force between the first magnetic block and the second magnetic block is changed, the lowest pressure value of the second magnetic block is changed, the effect of the lowest temperature is achieved, when the heat conducting head is heated, the heated medium in the joint is expanded, the heated medium in the joint is enabled to flow into the elastic interface through the capillary groove, the elastic change drives the pointer to rotate through the transmission mechanism, the synchronous temperature is higher than a preset value, the second magnetic block is pressed under the action of the magnetic block, the first magnetic block is enabled to be pressed, the air pressure between the first magnetic block and the first magnetic block is enabled to be enabled to reach the maximum pressure value, the air pressure of the piston, the piston reaches the preset value, the air pressure can be conveniently adjusted, the air pressure of the air pressure can reach the preset value, the air sealing plate, the air pressure can be detected, and the air pressure can reach the maximum pressure of the air sealing valve, and the air sealing device is adjusted, and the air pressure can be adjusted, and the air pressure is sealed by the air pressure, and the air pressure is sealed, the warning of the temperature preset value and the marking of the maximum temperature threshold value can be realized, the overtemperature record is realized, and the subsequent temperature reduction pointer is still in the maximum threshold value marking state, so that the warning is convenient to check in time, and whether the temperature reaches the dangerous value can be known.
2. Through setting up bolt, the return hole, the intercommunicating pore, the capillary groove, the constant voltage hole, spring and piston, when using, along with two pistons pressurized movement, its one side's piston is through the back flow groove pressure shutoff stopper removal, when the piston of opposite side removed, its one side's unnecessary gas is discharged outside through the constant voltage hole, when immediately step down, its second magnetic path loses pressure, make it reset under first magnetic path effect and prevent the inside heated medium backward flow of pressure release groove, keep locking state, after the staff detected, through pulling the bolt, make its bolt extract by a wide margin, make its baffle both sides's intercommunicating pore and the back flow hole intercommunication, immediately the piston is pressed the heated medium of pressure release inslot into the intercommunicating pore through the back flow hole under the effect of spring, make it enter into the capillary inslot through the back flow hole, make it resume normal operating condition.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of the present invention;
FIG. 2 is a schematic view of a three-dimensional cross-sectional structure of the present invention;
FIG. 3 is a schematic view of a dial perspective structure of the invention;
FIG. 4 is a schematic view of a vertical column structure according to the present invention;
FIG. 5 is a schematic view of a three-dimensional cross-sectional structure of a column according to the present invention;
FIG. 6 is a schematic view of a three-dimensional cross-sectional structure of a substrate according to the present invention;
fig. 7 is a schematic view showing a three-dimensional cross-sectional structure of a separator according to the present invention.
Wherein: 1 upright post, 2 basal body, 3 lower shell, 4 upper shell, 5 interface, 6 heat conduction head, 7 electric connection assembly, 8 contact, 9 calibration needle, 10 pointer, 11 dial plate, 12 drive mechanism, 13 elastic component, 14 fixing seat, 15 regulation pole, 16 regulating plate, 17 capillary groove, 18 elastic interface, 19 decompression groove, 20 reflux groove, 21 sealing plug, 22 baffle, 23 piston, 24 spring, 25 sealing cylinder, 26 first magnetic block, 27 airtight plate, 28 regulating screw, 29 second magnetic block, 30 communication hole, 31 reflux hole, 32 bolt, 33 constant pressure hole.
Detailed Description
Technical means for realizing the invention; creating a feature; the objects and effects of the present invention will be readily apparent from the following description of the preferred embodiments, but the following examples are not intended to be exhaustive. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the invention. The experimental methods in the following examples, unless otherwise specified, are conventional methods, and the materials used in the following examples; reagents and the like are commercially available unless otherwise specified.
Examples
As shown in fig. 1-7, the invention provides an electric contact bimetal thermometer capable of giving an alarm when power is off, which comprises a stand column 1, wherein the upper surface of the stand column 1 is fixedly connected with the lower surface of a base body 2, the surface of the base body 2 is fixedly connected with the inner wall of a lower shell 3 through screws, the surface of the lower shell 3 is fixedly connected with an upper shell 4 through screws, the bottom end of the stand column 1 is fixedly connected with an interface 5, the bottom end of the interface 5 is provided with a heat conducting head 6, and the inner wall of the lower shell 3 is fixedly connected with a dial 11.
The upper surface fixedly connected with of dial plate 11 meets electric subassembly 7, elastic interface 18 has been seted up to the inner wall of base member 2, elastic interface 18 joint has elastic component 13, elastic interface 18 is linked together with capillary groove 17, pressure release groove 19 has been seted up to the upper surface of base member 2, the inner wall in pressure release groove 19 is linked together with capillary groove 17, the inner wall in pressure release groove 19 is linked together with elastic interface 18 through the backward flow hole 31 of seting up, sliding connection has seal plug 21 in backward flow hole 31, the inner wall fixedly connected with baffle 22 in pressure release groove 19, the inner wall joint of baffle 22 has seal cartridge 25.
The inner wall sliding connection of a seal section of thick bamboo 25 has first magnetic path 26, and seal section of thick bamboo 25 and the inner wall sliding connection of baffle 22 have same second magnetic path 29, and one side of first magnetic path 26 is provided with airtight plate 27, and airtight plate 27's surface sliding connection is at seal section of thick bamboo 25's inner wall, and airtight plate 27's surface and adjusting screw 28's one end overlap joint, and adjusting screw 28's surface passes through the screw thread cover joint at the inner wall of pressure release groove 19, and the inner wall sliding connection of pressure release groove 19 has two pistons 23.
In other embodiments, as shown in fig. 1 and 3, one end of an elastic member 13 is movably connected with a transmission mechanism 12, the transmission mechanism 12 is fixedly connected with a pointer 10, the surface of an electric connection assembly 7 is provided with two contacts 8, the surface of the electric connection assembly 7 is movably connected with two calibration pins 9, the surface of an upper shell 4 is movably connected with an adjusting rod 15 through a fixing seat 14, the bottom end of the adjusting rod 15 is fixedly connected with an adjusting plate 16, the contacts 8 are electrically connected with the corresponding calibration pins 9, the upper shell 4 is made of transparent plastic material, and an interface 5 is in a threaded shape.
Through setting up drive mechanism 12, drive mechanism 12 effect with the deformation volume drive pointer 10 of elastic component 13 rotate, mould that is prior art simultaneously with electric component 7, do not make functional elucidation, through setting up contact 8, contact 8 can be convenient be connected with power supply unit and alarm device, through setting up regulation pole 15, regulation pole 15 can conveniently adjust the index position of calibration needle 9, operate under the effect of regulating plate 16, make its use more stable, through setting up casing 4, go up casing 4 and adopt transparent plastic material, make it can keep good visualization in the use.
In other embodiments, as shown in fig. 6 and 7, a backflow hole 31 is formed in the left side surface of the partition 22, the backflow hole 31 is communicated with the capillary groove 17, a plug pin 32 is slidably connected to the inner wall of the backflow hole 31, the inner wall of the backflow hole 31 is communicated with the inner wall of the pressure relief groove 19 through a plurality of formed communication holes 30, a spring 24 is fixedly connected to the surface of the piston 23, the other end of the spring 24 is lapped with the inner wall of the pressure relief groove 19, a constant pressure hole 33 is formed in one side of the inner wall of the pressure relief groove 19, the constant pressure hole 33 and the backflow hole 31 are respectively located on one side of the two pistons 23 far away from each other, the opposite surface magnetic pole directions of the first magnetic block 26 and the second magnetic block 29 are the same, the capillary groove 17 is located at the joint of the elastic interface 18 and is in a convex shape, the second magnetic block 29 is slidably connected to the joint of the pressure relief groove 19 and the capillary groove 17 and keeps a blocking state, the surface of the first magnetic block 26 is provided with a sealing ring and is slidably connected with the inner wall of the sealing cylinder 25, and the inner wall of the interface 5 is filled with a heated medium.
Through setting up the backward flow hole 31, backward flow hole 31 can conveniently derive the inside heated medium of pressure release groove 19 backward flow, be convenient for reset and restart, through setting up bolt 32, bolt 32 can keep backward flow hole 31 inside keep the shutoff state, make it can't be in the intercommunication state with intercommunicating pore 30, through setting up constant voltage hole 33, constant voltage hole 33 can keep corresponding one side's piston 23 can keep moving after the pressurized, make it unable removal under the effect that can not appear atmospheric pressure, through setting up second magnetic path 29, the junction that second magnetic path 29 is located elastic interface 18 is protruding form, can play certain spacing effect, make it receive under the effect of first magnetic path 26 can not appear excessively moving the condition.
Working principle:
s1, determining the positions of two calibration pins 9 by matching an adjusting rod 15 with an adjusting plate 16, then connecting a contact 8 with external alarm equipment, then rotating an adjusting screw 28 according to the maximum temperature of the calibration pins 9, changing the moving position of the adjusting screw, changing the gas pressure between the air-tight plate 27 and the surface of a first magnetic block 26 under the action of a sealing ring on the surface of the air-tight plate, changing the repulsive force acting force between the first magnetic block 26 and a second magnetic block 29, and changing the movable lowest pressure value of the second magnetic block 29 so as to achieve the effect of adjusting the lowest temperature marking value;
s2, when the heat conducting head 6 is heated immediately, a heated medium in the connector expands along with the heat conducting head, so that the heated medium flows into the elastic interface 18 through the capillary groove 17, the elastic change drives the pointer 10 to rotate through the transmission mechanism 12, the second magnetic block 29 is synchronously pressed when the temperature is higher than a preset value, the first magnetic block 26 is pressed under the repulsive force action, the first magnetic block 26 is synchronously pressed by the air pressure between the air conducting head and the air sealing plate 27, the second magnetic block 29 locks milk into the sealing cylinder 25, then the two pistons 23 press the elastic spring 24 by pressing the pistons 23 on one side, and the sealing block 21 is pushed by the air pressure in the backflow hole 31 to seal the elastic interface 18;
s3, the mode can keep the maximum temperature value, the preset value of the adjusting screw 28 is larger than the preset value of the adjusting needle 9, after the adjusting needle 9 alarms, the adjusting screw 28 reaches the preset value, scale self-locking can be realized, the adjusting screw can know whether the temperature reaches the maximum threshold value, along with the pressurized movement of the two pistons 23, the piston 23 on one side of the adjusting screw is pressed by the backflow groove 20 to move the sealing plug 21, when the piston 23 on the other side is moved, the redundant air on one side of the adjusting screw is discharged to the outside through the constant pressure hole 33, and then the pressure is reduced, the second magnetic block 29 loses the pressure effect, so that the adjusting screw is reset under the action of the first magnetic block 26 to prevent the heated medium in the pressure relief groove 19 from flowing back, the locking state is kept, after the staff finishes detection, the bolt 32 is pulled out by a small margin, the communication holes 30 on two sides of the partition plate 22 are communicated with the backflow hole 31, and then the piston 23 presses the heated medium in the pressure relief groove 19 into the capillary groove 17 through the backflow hole 31 under the action of the spring 24, so that the working state is restored to the normal working state.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. The utility model provides an electric contact bimetal thermometer that can report to police from outage, includes stand (1), its characterized in that: the upper surface of the upright post (1) is fixedly connected with the lower surface of the base body (2), the surface of the base body (2) is fixedly connected with the inner wall of the lower shell (3) through screws, the surface of the lower shell (3) is fixedly connected with the upper shell (4) through screws, the bottom end of the upright post (1) is fixedly connected with an interface (5), the bottom end of the interface (5) is provided with a heat conducting head (6), and the inner wall of the lower shell (3) is fixedly connected with a dial plate (11);
the utility model discloses a sealing device for the dial plate, including dial plate (11), elastic interface (18) are offered to the upper surface fixedly connected with of dial plate (11), elastic interface (18) have been offered to the inner wall of base member (2), elastic interface (18) joint has elastic component (13), elastic interface (18) are linked together with capillary groove (17), decompression groove (19) have been offered to the upper surface of base member (2), the inner wall in decompression groove (19) is linked together with capillary groove (17), the inner wall in decompression groove (19) is linked together with elastic interface (18) through backflow hole (31) of seting up, the sliding connection has shutoff stopper (21) in backflow hole (31), the inner wall fixedly connected with baffle (22) in decompression groove (19), the inner wall joint of baffle (22) has seal cylinder (25);
the inner wall of the sealing cylinder (25) is slidably connected with a first magnetic block (26), the sealing cylinder (25) and the inner wall of the partition plate (22) are slidably connected with the same second magnetic block (29), one side of the first magnetic block (26) is provided with an airtight plate (27), the surface of the airtight plate (27) is slidably connected with the inner wall of the sealing cylinder (25), the surface of the airtight plate (27) is overlapped with one end of an adjusting screw (28), the surface of the adjusting screw (28) is clamped on the inner wall of a pressure relief groove (19) through a threaded sleeve, and the inner wall of the pressure relief groove (19) is slidably connected with two pistons (23);
the left side surface of the partition plate (22) is provided with a backflow hole (31), the backflow hole (31) is communicated with the capillary groove (17), the inner wall of the backflow hole (31) is connected with a bolt (32) in a sliding manner, and the inner wall of the backflow hole (31) is communicated with the inner wall of the pressure relief groove (19) through a plurality of communication holes (30);
the surface of the piston (23) is fixedly connected with a spring (24), the other end of the spring (24) is overlapped with the inner wall of the pressure relief groove (19), and one side of the inner wall of the pressure relief groove (19) is provided with a constant pressure hole (33);
one end of the elastic piece (13) is movably connected with a transmission mechanism (12), the transmission mechanism (12) is fixedly connected with a pointer (10), two contacts (8) are arranged on the surface of the power connection assembly (7), and two calibration needles (9) are movably connected on the surface of the power connection assembly (7);
the surface of the upper shell (4) is movably connected with an adjusting rod (15) through a fixed seat (14), and the bottom end of the adjusting rod (15) is fixedly connected with an adjusting plate (16);
the contact (8) is electrically connected with a corresponding calibration needle (9), the upper shell (4) is made of transparent plastic material, and the interface (5) is arranged in a threaded manner;
the constant pressure hole (33) and the backflow hole (31) are respectively positioned at one side of the two pistons (23) away from each other, and the opposite surface magnetic pole directions of the first magnetic block (26) and the second magnetic block (29) are the same;
the connecting part of the capillary groove (17) at the elastic interface (18) is in a convex shape, and the second magnetic block (29) is connected with the communicating part of the pressure release groove (19) and the capillary groove (17) in a sliding way and keeps a blocking state;
the surface of the first magnetic block (26) is provided with a sealing ring and is in sliding connection with the inner wall of the sealing cylinder (25), and the inner wall of the interface (5) is filled with a heated medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111240127.7A CN113959573B (en) | 2021-10-25 | 2021-10-25 | Electric contact bimetal thermometer capable of giving alarm when power is off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111240127.7A CN113959573B (en) | 2021-10-25 | 2021-10-25 | Electric contact bimetal thermometer capable of giving alarm when power is off |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113959573A CN113959573A (en) | 2022-01-21 |
| CN113959573B true CN113959573B (en) | 2023-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111240127.7A Active CN113959573B (en) | 2021-10-25 | 2021-10-25 | Electric contact bimetal thermometer capable of giving alarm when power is off |
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| CN116256074B (en) * | 2023-05-15 | 2023-07-28 | 广东电网有限责任公司东莞供电局 | Thermal fault monitoring device and method based on transformer substation switch cabinet |
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| GB508441A (en) * | 1938-08-31 | 1939-06-30 | Jules Eugene Malivert | Improvements in or relating to thermometers |
| GB765572A (en) * | 1954-03-05 | 1957-01-09 | Sidney Arthur Singleton | Improvements in electric temperature sensitive switch devices for fire alarms |
| GB1270834A (en) * | 1969-03-14 | 1972-04-19 | Diamond H Controls Ltd | Improvements in or relating to thermally operated electric switches |
| NL7303223A (en) * | 1972-03-08 | 1973-09-11 | ||
| US3952596A (en) * | 1974-12-17 | 1976-04-27 | Palmer Instruments, Inc. | Universal mounting for bi-metallic thermometer |
| US4081999A (en) * | 1976-11-26 | 1978-04-04 | Desco Corporation | Temperature indicator with limit detection apparatus |
| JPH06307942A (en) * | 1993-04-23 | 1994-11-04 | Kirin Brewery Co Ltd | Temperature indicator |
| CN103994835A (en) * | 2014-05-23 | 2014-08-20 | 西安开天铁路电气股份有限公司 | Thermometal temperature relay |
-
2021
- 2021-10-25 CN CN202111240127.7A patent/CN113959573B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB469531A (en) * | 1935-10-29 | 1937-07-27 | Georg Bloch | Improvements in mechanical relays for measuring instruments such as bimetallic thermometers |
| GB508441A (en) * | 1938-08-31 | 1939-06-30 | Jules Eugene Malivert | Improvements in or relating to thermometers |
| GB765572A (en) * | 1954-03-05 | 1957-01-09 | Sidney Arthur Singleton | Improvements in electric temperature sensitive switch devices for fire alarms |
| GB1270834A (en) * | 1969-03-14 | 1972-04-19 | Diamond H Controls Ltd | Improvements in or relating to thermally operated electric switches |
| NL7303223A (en) * | 1972-03-08 | 1973-09-11 | ||
| FR2175203A1 (en) * | 1972-03-08 | 1973-10-19 | Centra Buerkle Kg Albert | |
| US3952596A (en) * | 1974-12-17 | 1976-04-27 | Palmer Instruments, Inc. | Universal mounting for bi-metallic thermometer |
| US4081999A (en) * | 1976-11-26 | 1978-04-04 | Desco Corporation | Temperature indicator with limit detection apparatus |
| JPH06307942A (en) * | 1993-04-23 | 1994-11-04 | Kirin Brewery Co Ltd | Temperature indicator |
| CN103994835A (en) * | 2014-05-23 | 2014-08-20 | 西安开天铁路电气股份有限公司 | Thermometal temperature relay |
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| Publication number | Publication date |
|---|---|
| CN113959573A (en) | 2022-01-21 |
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