CN105161236A - Linear controllable resistor with gradually-increased resistance values, high-power weak-current equipment power source and electric system - Google Patents
Linear controllable resistor with gradually-increased resistance values, high-power weak-current equipment power source and electric system Download PDFInfo
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- CN105161236A CN105161236A CN201510606661.3A CN201510606661A CN105161236A CN 105161236 A CN105161236 A CN 105161236A CN 201510606661 A CN201510606661 A CN 201510606661A CN 105161236 A CN105161236 A CN 105161236A
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Abstract
A linear controllable resistor with gradually-increased resistance values is characterized by comprising an insulating container (G11), conductive liquid (G31), an entity (G21), a common 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-). A high-power weak-current equipment power source is provided with the controllable resistor. An electric system is provided with the controllable resistor. The service life of contactors is long, the manufacturing cost is low, and the linear controllable 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 controllable resistor of resistance value, high-power weak current equipment power supply, electric power system.
Background technology
The controlled in real time resistor of the resistance value of prior art seldom or high cost or the complicated rapid wear of result or be difficult to use in high-power circuit.
Summary of the invention
For the problem described in technical solution background, the present invention proposes the gradually large linear controllable resistor of resistance value, high-power weak current equipment power supply, electric power system.
The present invention has following technology contents.
1, the linear controllable resistor that resistance value is gradually large, is characterized in that: comprise insulating vessel (G11), conducting liquid (G31), entity (G21), public 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,
Public electrode (G51) is positioned at bottom the cavity volume inner surface of insulating vessel (G11), and public electrode (G51) and conducting liquid (G31) always keep in touch, and have electricity and be connected between public 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.
2, the linear controllable 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 controllable 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 controllable 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 controllable resistor that a kind of resistance value as described in technology contents 1 is gradually large, is characterized in that: described public electrode (G51) uses the alloy containing tungsten to make.
6, the linear controllable 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 controllable 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 controllable resistor that a kind of resistance value as described in technology contents 1 is gradually large, it is characterized in that: between public 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 controllable resistor that the resistance value described in the content that possesses skills 1 is gradually large.
10, a high-power weak current equipment power supply, is characterized in that: the linear controllable 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 controllable resistor that resistance value of the present invention is gradually large, contact is not easily burnt, long service life.
The linear controllable 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 controllable 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.
Resistance value of the present invention gradually large linear controllable resistor 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.
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 controllable resistor that resistance value is gradually large, is characterized in that: comprise insulating vessel G11, conducting liquid G31, entity G21, public 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;
Public electrode G51 is positioned at bottom the cavity volume inner surface of insulating vessel G11, and public electrode G51 and conducting liquid G31 always keeps in touch, and has electricity and be connected between public 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.
Described conducting liquid G31 is liquid metal.
Described public 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 public 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 controllable resistor that resistance value described in embodiment 1 is gradually large.
Embodiment 4, a kind of high-power weak current equipment power supply, have the linear controllable resistor that resistance value described in embodiment 1 is gradually large.
Claims (10)
1. the linear controllable resistor that resistance value is gradually large, is characterized in that: comprise insulating vessel (G11), conducting liquid (G31), entity (G21), public 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,
Public electrode (G51) is positioned at bottom the cavity volume inner surface of insulating vessel (G11), and public electrode (G51) and conducting liquid (G31) always keep in touch, and have electricity and be connected between public 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.
2. the linear controllable 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 controllable 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 controllable 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 controllable resistor that a kind of resistance value as claimed in claim 1 is gradually large, is characterized in that: described public electrode (G51) uses the alloy containing tungsten to make.
6. the linear controllable 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 controllable 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 controllable resistor that a kind of resistance value as claimed in claim 1 is gradually large, it is characterized in that: between public 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 controllable resistor that resistance value according to claim 1 is gradually large.
10. a high-power weak current equipment power supply, is characterized in that: have the linear controllable resistor that resistance value according to claim 1 is gradually large.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510606661.3A CN105161236A (en) | 2015-09-22 | 2015-09-22 | Linear controllable resistor with gradually-increased resistance values, high-power weak-current equipment power source and electric system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510606661.3A CN105161236A (en) | 2015-09-22 | 2015-09-22 | Linear controllable resistor with gradually-increased resistance values, high-power weak-current equipment power source and electric system |
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| CN105161236A true CN105161236A (en) | 2015-12-16 |
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| CN201510606661.3A Pending CN105161236A (en) | 2015-09-22 | 2015-09-22 | Linear controllable resistor with gradually-increased resistance values, high-power weak-current equipment power source and electric system |
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Citations (6)
| 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 |
| CN201928033U (en) * | 2010-12-28 | 2011-08-10 | 苏州华电电气股份有限公司 | Automatic compensating device for step-up transformer low voltage side |
| 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 |
| CN202948337U (en) * | 2012-12-25 | 2013-05-22 | 魏传永 | Time-base circuit water level automatic control device |
| 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 CN201510606661.3A patent/CN105161236A/en active Pending
Patent Citations (6)
| 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 |
| CN201928033U (en) * | 2010-12-28 | 2011-08-10 | 苏州华电电气股份有限公司 | Automatic compensating device for step-up transformer low voltage side |
| 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 |
| CN202948337U (en) * | 2012-12-25 | 2013-05-22 | 魏传永 | Time-base circuit water level automatic control device |
| 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 |
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Application publication date: 20151216 |