CN105161234A - Linear dynamic resistor with gradually-increased resistance values, electronic circuit and electric system - Google Patents
Linear dynamic resistor with gradually-increased resistance values, electronic circuit and electric system Download PDFInfo
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- CN105161234A CN105161234A CN201510606579.0A CN201510606579A CN105161234A CN 105161234 A CN105161234 A CN 105161234A CN 201510606579 A CN201510606579 A CN 201510606579A CN 105161234 A CN105161234 A CN 105161234A
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Abstract
A linear dynamic resistor with gradually-increased resistance values is characterized by comprising an insulating container (G11), conductive liquid (G31), an entity (G21), a bottom electrode (G51), a winding rod (R10), a resistance coil (R1), an electromagnetic coil (G41), a controlled access first node (O+), a controlled access second node (O-), a control terminal first node (P+) and a control terminal second node (P-); the linear dynamic resistor further comprises a bridge-type rectifier circuit (G60). An electronic circuit is provided with the dynamic resistor. An electric system is provided with the dynamic resistor. The service life of contactors is long, the manufacturing cost is low, and the linear dynamic resistor is good in isolation and can be applied to high-power circuits, such as a weak-current power circuit, a power circuit and an ultra-high voltage power circuit.
Description
Technical field
The invention belongs to electricity field, particularly relate to the gradually large linear dynamic resistor of resistance value, electronic circuit, electric power system.
Background technology
Dynamic resistor is seldom or high cost or the complicated rapid wear of result or be difficult to use in high-power circuit in real time for the resistance value of prior art.
Summary of the invention
For the problem described in technical solution background, the present invention proposes the gradually large linear dynamic resistor of resistance value, electronic circuit, electric power system.
The present invention has following technology contents.
1, the linear dynamic resistor that resistance value is gradually large, is characterized in that: comprise insulating vessel (G11), conducting liquid (G31), entity (G21), bottom electrode (G51), coiling rod (R10), resistance coil (R1), solenoid (G41), controlled path first node (O+), controlled path Section Point (O-), control end first node (P+), control end Section Point (P-);
Insulating vessel (G11) has stable shape, and the profile of insulating vessel (G11) is cylindric, and the container of insulating vessel (G11) is cylindric, and change of shape is less likely to occur the cavity volume of insulating vessel (G11), and insulating vessel (G11) is airtight container;
Conducting liquid (G31) is housed in the cavity volume of insulating vessel (G11), and the volume of conducting liquid (G31) is less than the volume of insulating vessel (G11), and the volume of conducting liquid (G31) is greater than the half of the volume of insulating vessel (G11);
Solenoid (G41) is fixedly wrapped in the outside of insulating vessel (G11), solenoid (G41) is positioned at more than the stringcourse such as grade of insulating vessel (G11), the axis of solenoid (G41) and the axes coincide of insulating vessel (G11), the two ends of solenoid (G41) are connected with control end first node (P+), control end Section Point (P-) respectively;
Coiling rod (R10) is cylindric and surface insulation, the axis of coiling rod (R10) and the dead in line of insulating vessel (G11), resistance coil (R1) is wrapped on coiling rod (R10) and forms wire resistor, has electricity and be connected between resistance coil (R1) with controlled path first node (O+);
The averag density of entity (G21) is more than or equal to the density of conducting liquid (G31), entity (G21) has magnetic or paramagnetism, entity (G21) device is in insulating vessel, entity (G21) outer surface is insulation, the volume that the external volume of entity (G21) is less than insulating vessel (G11) deducts the volume of conducting liquid (G31), the central authorities of entity (G21) have through hole (G22), the diameter of the through hole (G22) of the central authorities of entity (G21) is greater than the diameter of wire resistor, entity (G21) is suspended by its through hole (G22) string or to sink to the bottom in conducting liquid (G31) and can free floating in vertical direction on wire resistor,
Bottom electrode (G51) is positioned at bottom the cavity volume inner surface of insulating vessel (G11), and bottom electrode (G51) and conducting liquid (G31) always keep in touch, and have electricity and be connected between bottom electrode (G51) with controlled path Section Point (O-);
When coil is not energized, between conducting liquid (G31) and resistance coil (R1), there is conductive contact;
Be energized to solenoid (G41), solenoid (G41) produces magnetic field (G42), solenoid (G41) can attract to make with entity (G21) to rise at entity (G21), and cause the floating state of entity (G21) in conducting liquid (G31) to change into floating state, thus the volume that arranges making entity (G21) arrange conducting liquid (G31) reduces, and then the fluid level of conducting liquid (G31) is declined and the number of turns that resistance coil (R1) flooded by conducting liquid (G31) can be reduced, and increase the number of active coils of resistance coil (R1), thus increase resistance total value between the first node (O+) of controlled path and the Section Point (O-) of controlled path gradually,
Also comprise bridge rectifier (G60), two inputs of bridge rectifier (G60) are connected between the Section Point (O-) of bottom electrode and controlled path, and two outputs of bridge rectifier (G60) are connected with two end points of solenoid.
2, the linear dynamic resistor that a kind of resistance value as described in technology contents 1 is gradually large, is characterized in that: the flotation gear that described entity (G21) is many kinds of substance, multiplet is formed jointly.
3, the linear dynamic resistor that a kind of resistance value as described in technology contents 1 is gradually large, is characterized in that: described conducting liquid (G31) is liquid metal.
4, the linear dynamic resistor that a kind of resistance value as described in technology contents 1 is gradually large, is characterized in that: described conducting liquid (G31) is electrolyte.
5, the linear dynamic resistor that a kind of resistance value as described in technology contents 1 is gradually large, is characterized in that: described bottom electrode (G51) uses the alloy containing tungsten to make.
6, the linear dynamic resistor that a kind of resistance value as described in technology contents 1 is gradually large, is characterized in that: described insulating vessel (G11) is made for glass.
7, the linear dynamic resistor that a kind of resistance value as described in technology contents 1 is gradually large, is characterized in that: described resistance coil is that tungsten is made.
8, the linear dynamic resistor that a kind of resistance value as described in technology contents 1 is gradually large, it is characterized in that: between bottom electrode (G51) and controlled passage Section Point (O-), be also in series with tilt switch (K1), prevent resistor from being used in the incorrect situation of placement.
9, an electric power system, is characterized in that: the linear dynamic resistor that the resistance value described in the content that possesses skills 1 is gradually large.
10, an electronic circuit, is characterized in that: the linear dynamic resistor that the resistance value described in the content that possesses skills 1 is gradually large.
Technology contents illustrates and beneficial effect.
Technology contents illustrates:
In the present invention, entity (G21) can be single structure also can be composite construction, can be that one matter is formed, and also can be that many kinds of substance is formed; This is skilled, know this area engineer of common practise can understand, therefore does not repeat.
The linear dynamic resistor that resistance value of the present invention is gradually large, contact is not easily burnt, long service life.
The linear dynamic resistor that resistance value of the present invention is gradually large, may be used for high-power circuit, light current high-power circuit, the linear dynamic resistor that resistance value of the present invention is gradually large needs to leave standstill use, and the present invention is not suitable with and mobile device, but is adapt to for the equipment of standing use.
The gradually large linear dynamic resistor of resistance value of the present invention adopts electromagnetic force, the floating state of Magnetic Control entity thus the discharge opeing volume of controlled entity thus control liquid level thus controlling resistance amount is those skilled in the art is difficult to expect.
In the present invention, the be energized magnetic force size of solenoid afterwards of the first node (O+) of controlled path and the Section Point (O-) of controlled path can change with size of current in controlled path, thus the attribute value of electrology characteristic changes, therefore electrical properties numerical value of the present invention can the occurrence dynamics adjustment according to the situation of electric current in circuit.
Long, cheap, the of the present invention isolation of contact endurance of the present invention is good, can apply to high-power circuit such as light current power circuit, power circuit, ultrahigh voltage power circuit.
Accompanying drawing explanation
Accompanying drawing 1 is the end view of embodiment 1.
Accompanying drawing 2 is the top view cross section of embodiment 1.
Accompanying drawing 3 is the end view of embodiment 2.
concrete embodiment
Below in conjunction with embodiment, the present invention will be described.
Embodiment 1, as shown in Figure 1-2, the linear dynamic resistor that resistance value is gradually large, is characterized in that: comprise insulating vessel G11, conducting liquid G31, entity G21, bottom electrode G51, coiling rod R10, resistance coil R1, solenoid G41, controlled path first node O+, controlled path Section Point O-, control end first node P+, control end Section Point P-;
Insulating vessel G11 has stable shape, and the profile of insulating vessel G11 is cylindric, and the container of insulating vessel G11 is cylindric, and change of shape is less likely to occur the cavity volume of insulating vessel G11, and insulating vessel G11 is airtight container;
Conducting liquid G31 is housed in the cavity volume of insulating vessel G11, and the volume of conducting liquid G31 is less than the volume of insulating vessel G11, and the volume of conducting liquid G31 is greater than the half of the volume of insulating vessel G11;
Solenoid G41 is fixedly wrapped in the outside of insulating vessel G11, solenoid G41 is positioned at more than the stringcourse such as grade of insulating vessel G11, the axis of solenoid G41 and the axes coincide of insulating vessel G11, the two ends of solenoid G41 are connected with control end first node P+, control end Section Point P-respectively;
Coiling rod R10 is cylindric and surface insulation, the coiling rod axis of R10 and the dead in line of insulating vessel G11, and resistance coil R1 is wrapped on coiling rod R10 and forms wire resistor, has electricity and be connected between resistance coil R1 with controlled path first node O+;
The averag density of entity G21 is more than or equal to the density of conducting liquid G31, entity G21 has magnetic or paramagnetism, entity G21 device is in insulating vessel, entity G21 outer surface is insulation, the volume that the external volume of entity G21 is less than insulating vessel G11 deducts the volume of conducting liquid G31, the central authorities of entity G21 have through hole G22, the diameter of the through hole G22 of the central authorities of entity G21 is greater than the diameter of wire resistor, and entity G21 is gone here and there by its through hole G22 and to suspend on wire resistor or sink to the bottom in conducting liquid G31 and can free floating in vertical direction;
Bottom electrode G51 is positioned at bottom the cavity volume inner surface of insulating vessel G11, and bottom electrode G51 and conducting liquid G31 always keeps in touch, and has electricity and be connected between bottom electrode G51 with controlled path Section Point O-;
When coil is not energized, between conducting liquid G31 and resistance coil R1, there is conductive contact;
Be energized to solenoid G41, solenoid G41 produces magnetic field G42, solenoid G41 can attract to make with entity G21 to rise at entity G21, and cause the floating state of entity G21 in conducting liquid G31 to change into floating state, thus the volume that arranges making entity G21 arrange conducting liquid G31 reduces, and then the fluid level of conducting liquid G31 is declined and the number of turns that resistance coil R1 flooded by conducting liquid G31 can be reduced, and increase the number of active coils of resistance coil R1, thus increase resistance total value between the first node O+ of controlled path and the Section Point O-of controlled path gradually,
Also comprise bridge rectifier (G60), two inputs of bridge rectifier (G60) are connected between the Section Point (O-) of bottom electrode and controlled path, and two outputs of bridge rectifier (G60) are connected with two end points of solenoid.
Described conducting liquid G31 is liquid metal.
Described bottom electrode G51 uses the alloy containing tungsten to make.
Described insulating vessel G11 is that glass is made.
Described resistance coil is that tungsten is made.
Embodiment 2, to modify on the basis of embodiment 1, make also to be in series with tilt switch K1 between bottom electrode G51 and controlled passage Section Point O-, prevent resistor from being used in the incorrect situation of placement.
Embodiment 3, a kind of electric power system, have the linear dynamic resistor that resistance value described in embodiment 1 is gradually large.
Embodiment 4, a kind of electronic circuit, have the linear dynamic resistor that resistance value described in embodiment 1 is gradually large.
Claims (10)
1. the linear dynamic resistor that resistance value is gradually large, is characterized in that: comprise insulating vessel (G11), conducting liquid (G31), entity (G21), bottom electrode (G51), coiling rod (R10), resistance coil (R1), solenoid (G41), controlled path first node (O+), controlled path Section Point (O-), control end first node (P+), control end Section Point (P-);
Insulating vessel (G11) has stable shape, and the profile of insulating vessel (G11) is cylindric, and the container of insulating vessel (G11) is cylindric, and change of shape is less likely to occur the cavity volume of insulating vessel (G11), and insulating vessel (G11) is airtight container;
Conducting liquid (G31) is housed in the cavity volume of insulating vessel (G11), and the volume of conducting liquid (G31) is less than the volume of insulating vessel (G11), and the volume of conducting liquid (G31) is greater than the half of the volume of insulating vessel (G11);
Solenoid (G41) is fixedly wrapped in the outside of insulating vessel (G11), solenoid (G41) is positioned at more than the stringcourse such as grade of insulating vessel (G11), the axis of solenoid (G41) and the axes coincide of insulating vessel (G11), the two ends of solenoid (G41) are connected with control end first node (P+), control end Section Point (P-) respectively;
Coiling rod (R10) is cylindric and surface insulation, the axis of coiling rod (R10) and the dead in line of insulating vessel (G11), resistance coil (R1) is wrapped on coiling rod (R10) and forms wire resistor, has electricity and be connected between resistance coil (R1) with controlled path first node (O+);
The averag density of entity (G21) is more than or equal to the density of conducting liquid (G31), entity (G21) has magnetic or paramagnetism, entity (G21) device is in insulating vessel, entity (G21) outer surface is insulation, the volume that the external volume of entity (G21) is less than insulating vessel (G11) deducts the volume of conducting liquid (G31), the central authorities of entity (G21) have through hole (G22), the diameter of the through hole (G22) of the central authorities of entity (G21) is greater than the diameter of wire resistor, entity (G21) is suspended by its through hole (G22) string or to sink to the bottom in conducting liquid (G31) and can free floating in vertical direction on wire resistor,
Bottom electrode (G51) is positioned at bottom the cavity volume inner surface of insulating vessel (G11), and bottom electrode (G51) and conducting liquid (G31) always keep in touch, and have electricity and be connected between bottom electrode (G51) with controlled path Section Point (O-);
When coil is not energized, between conducting liquid (G31) and resistance coil (R1), there is conductive contact;
Be energized to solenoid (G41), solenoid (G41) produces magnetic field (G42), solenoid (G41) can attract to make with entity (G21) to rise at entity (G21), and cause the floating state of entity (G21) in conducting liquid (G31) to change into floating state, thus the volume that arranges making entity (G21) arrange conducting liquid (G31) reduces, and then the fluid level of conducting liquid (G31) is declined and the number of turns that resistance coil (R1) flooded by conducting liquid (G31) can be reduced, and increase the number of active coils of resistance coil (R1), thus increase resistance total value between the first node (O+) of controlled path and the Section Point (O-) of controlled path gradually,
Also comprise bridge rectifier (G60), two inputs of bridge rectifier (G60) are connected between the Section Point (O-) of bottom electrode and controlled path, and two outputs of bridge rectifier (G60) are connected with two end points of solenoid.
2. the linear dynamic resistor that a kind of resistance value as claimed in claim 1 is gradually large, is characterized in that: the flotation gear that described entity (G21) is many kinds of substance, multiplet is formed jointly.
3. the linear dynamic resistor that a kind of resistance value as claimed in claim 1 is gradually large, is characterized in that: described conducting liquid (G31) is liquid metal.
4. the linear dynamic resistor that a kind of resistance value as claimed in claim 1 is gradually large, is characterized in that: described conducting liquid (G31) is electrolyte.
5. the linear dynamic resistor that a kind of resistance value as claimed in claim 1 is gradually large, is characterized in that: described bottom electrode (G51) uses the alloy containing tungsten to make.
6. the linear dynamic resistor that a kind of resistance value as claimed in claim 1 is gradually large, is characterized in that: described insulating vessel (G11) is made for glass.
7. the linear dynamic resistor that a kind of resistance value as claimed in claim 1 is gradually large, is characterized in that: described resistance coil is that tungsten is made.
8. the linear dynamic resistor that a kind of resistance value as claimed in claim 1 is gradually large, it is characterized in that: between bottom electrode (G51) and controlled passage Section Point (O-), be also in series with tilt switch (K1), prevent resistor from being used in the incorrect situation of placement.
9. an electric power system, is characterized in that: have the linear dynamic resistor that resistance value according to claim 1 is gradually large.
10. an electronic circuit, is characterized in that: have the linear dynamic resistor that resistance value according to claim 1 is gradually large.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510606579.0A CN105161234A (en) | 2015-09-22 | 2015-09-22 | Linear dynamic resistor with gradually-increased resistance values, electronic circuit and electric system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510606579.0A CN105161234A (en) | 2015-09-22 | 2015-09-22 | Linear dynamic resistor with gradually-increased resistance values, electronic circuit and electric system |
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| CN105161234A true CN105161234A (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510606579.0A Pending CN105161234A (en) | 2015-09-22 | 2015-09-22 | Linear dynamic resistor with gradually-increased resistance values, electronic circuit and electric system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112038023A (en) * | 2020-08-26 | 2020-12-04 | 周晓燕 | Resistor capable of automatically adjusting resistance value |
| CN113579709A (en) * | 2021-04-30 | 2021-11-02 | 宁波奥博尔电器有限公司 | Automatic triaxial screwing equipment |
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| SU669200A1 (en) * | 1977-03-02 | 1979-06-25 | Завод Втуз При Ленинградском Металлическом Заводе | Liquid level meter |
| CN202533813U (en) * | 2012-02-27 | 2012-11-14 | 福建省长汀金龙稀土有限公司 | Liquid level detection and control device applicable to electrically conductive solution |
| CN103542976A (en) * | 2013-10-09 | 2014-01-29 | 北京交通大学 | Magnetofluid low-frequency micro differential pressure sensor |
| CN204143722U (en) * | 2014-08-25 | 2015-02-04 | 张曦月 | Drift along device |
| CN104901670A (en) * | 2015-05-28 | 2015-09-09 | 杨德明 | Switch, electronic system, power system, automatic system, mechanical device, measuring device and labour protection air-exhausting device |
-
2015
- 2015-09-22 CN CN201510606579.0A patent/CN105161234A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU669200A1 (en) * | 1977-03-02 | 1979-06-25 | Завод Втуз При Ленинградском Металлическом Заводе | Liquid level meter |
| CN202533813U (en) * | 2012-02-27 | 2012-11-14 | 福建省长汀金龙稀土有限公司 | Liquid level detection and control device applicable to electrically conductive solution |
| CN103542976A (en) * | 2013-10-09 | 2014-01-29 | 北京交通大学 | Magnetofluid low-frequency micro differential pressure sensor |
| CN204143722U (en) * | 2014-08-25 | 2015-02-04 | 张曦月 | Drift along device |
| CN104901670A (en) * | 2015-05-28 | 2015-09-09 | 杨德明 | Switch, electronic system, power system, automatic system, mechanical device, measuring device and labour protection air-exhausting device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112038023A (en) * | 2020-08-26 | 2020-12-04 | 周晓燕 | Resistor capable of automatically adjusting resistance value |
| CN113579709A (en) * | 2021-04-30 | 2021-11-02 | 宁波奥博尔电器有限公司 | Automatic triaxial screwing equipment |
| CN113579709B (en) * | 2021-04-30 | 2022-05-06 | 宁波奥博尔电器有限公司 | Automatic triaxial screw driving equipment |
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