CN105244127A - Winding type controllable resistor with linearly decreasing resistance value, petrochemical equipment control system and automated machine - Google Patents
Winding type controllable resistor with linearly decreasing resistance value, petrochemical equipment control system and automated machine Download PDFInfo
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- CN105244127A CN105244127A CN201510606406.9A CN201510606406A CN105244127A CN 105244127 A CN105244127 A CN 105244127A CN 201510606406 A CN201510606406 A CN 201510606406A CN 105244127 A CN105244127 A CN 105244127A
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- insulating vessel
- buoyancy aid
- conducting liquid
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Abstract
A winding type controllable resistor with linearly decreasing resistance value is disclosed. The winding type controllable resistor is characterized by comprising an insulated container (G11), conductive liquid (G31), a floating body (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 end first node (P+) and a control end second node (P-). The petrochemical equipment control system is provided with the controllable resistor. The automated machine is provided with the controllable resistor. The contact of the winding type controllable resistor is long in service life, low in cost, good in isolation property, and can be applied to the high-power circuits, such as weak current power supply circuits, power circuits, and extra-high-voltage power circuits.
Description
Technical field
The invention belongs to electricity field, particularly relate to Wound-rotor type controllable resistor, petrochemical equipment control system, automated machine that resistance linearly diminishes.
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 Wound-rotor type controllable resistor, petrochemical equipment control system, automated machine that resistance linearly diminishes.
The present invention has following technology contents.
1, the Wound-rotor type controllable resistor that linearly diminishes of resistance, is characterized in that: comprise insulating vessel (G11), conducting liquid (G31), buoyancy aid (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 below 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 buoyancy aid (G21) is less than the density of conducting liquid (G31), buoyancy aid (G21) has magnetic or paramagnetism, buoyancy aid (G21) device is in insulating vessel, buoyancy aid (G21) outer surface is insulation, the volume that the external volume of buoyancy aid (G21) is less than insulating vessel (G11) deducts the volume of conducting liquid (G31), the central authorities of buoyancy aid (G21) have through hole (G22), the diameter of the through hole (G22) of the central authorities of buoyancy aid (G21) is greater than the diameter of wire resistor, buoyancy aid (G21) floats on conducting liquid (G31) by its through hole (G22) string 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 to sink at buoyancy aid (G21) with buoyancy aid (G21), and the volume that arranges causing buoyancy aid (G21) to arrange conducting liquid (G31) increases, and then make the fluid level of conducting liquid (G31) to rise the number of turns that also can increase resistance coil (R1) and be flooded by conducting liquid (G31), and change the number of active coils of resistance coil (R1), thus reduce resistance total value between the first node (O+) of controlled path and the Section Point (O-) of controlled path gradually.
2, the Wound-rotor type controllable resistor that a kind of resistance as described in technology contents 1 linearly diminishes, is characterized in that: the flotation gear that described buoyancy aid (G21) is many kinds of substance, multiplet is formed jointly.
3, the Wound-rotor type controllable resistor that a kind of resistance as described in technology contents 1 linearly diminishes, is characterized in that: described conducting liquid (G31) is liquid metal.
4, the Wound-rotor type controllable resistor that a kind of resistance as described in technology contents 1 linearly diminishes, is characterized in that: described conducting liquid (G31) is electrolyte.
5, the Wound-rotor type controllable resistor that a kind of resistance as described in technology contents 1 linearly diminishes, is characterized in that: described bottom electrode (G51) uses the alloy containing tungsten to make.
6, the Wound-rotor type controllable resistor that a kind of resistance as described in technology contents 1 linearly diminishes, is characterized in that: described insulating vessel (G11) is made for glass.
7, the Wound-rotor type controllable resistor that a kind of resistance as described in technology contents 1 linearly diminishes, is characterized in that: described resistance coil is that tungsten is made.
8, the Wound-rotor type controllable resistor that a kind of resistance as described in technology contents 1 linearly diminishes, 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 automated machine, is characterized in that: the Wound-rotor type controllable resistor that the resistance described in the content that possesses skills 1 linearly diminishes.
10, a petrochemical equipment control system, is characterized in that: the Wound-rotor type controllable resistor that the resistance described in the content that possesses skills 1 linearly diminishes.
Technology contents illustrates and beneficial effect.
Technology contents illustrates:
In the present invention, buoyancy aid (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 Wound-rotor type controllable resistor that resistance of the present invention linearly diminishes, contact is not easily burnt, long service life.
The Wound-rotor type controllable resistor that resistance of the present invention linearly diminishes, may be used for high-power circuit, light current high-power circuit, the Wound-rotor type controllable resistor that resistance of the present invention linearly diminishes needs to leave standstill use, the present invention is not suitable with and mobile device, but is adapt to for the equipment of standing use.
Wound-rotor type controllable resistor that resistance of the present invention linearly diminishes adopts the floating state of electromagnetic force, Magnetic Control buoyancy aid thus controls the discharge opeing volume of buoyancy aid 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 Wound-rotor type controllable resistor that resistance linearly diminishes, comprises insulating vessel G11, conducting liquid G31, buoyancy aid 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 below 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 buoyancy aid G21 is less than the density of conducting liquid G31, buoyancy aid G21 has magnetic or paramagnetism, buoyancy aid G21 device is in insulating vessel, buoyancy aid G21 outer surface is insulation, the volume that the external volume of buoyancy aid G21 is less than insulating vessel G11 deducts the volume of conducting liquid G31, the central authorities of buoyancy aid G21 have through hole G22, the diameter of the through hole G22 of the central authorities of buoyancy aid G21 is greater than the diameter of wire resistor, buoyancy aid G21 floats on conducting liquid G31 by its through hole G22 string on wire resistor, buoyancy aid G21 floats on conducting liquid G31 by its through hole G22 string 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 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 to sink at buoyancy aid G21 with buoyancy aid G21, and the volume that arranges causing buoyancy aid G21 to arrange conduction liquid G31 increases, and then make the fluid level of conducting liquid G31 to rise the number of turns that also can increase resistance coil R1 and be flooded by conducting liquid G31, and change the number of active coils of resistance coil R1, thus reduce 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 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 automated machine, have the Wound-rotor type controllable resistor that the resistance described in embodiment 1 linearly diminishes.
Embodiment 4, a kind of petrochemical equipment control system, have the Wound-rotor type controllable resistor that the resistance described in embodiment 1 linearly diminishes.
Claims (10)
1. the Wound-rotor type controllable resistor that linearly diminishes of resistance, is characterized in that: comprise insulating vessel (G11), conducting liquid (G31), buoyancy aid (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 below 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 buoyancy aid (G21) is less than the density of conducting liquid (G31), buoyancy aid (G21) has magnetic or paramagnetism, buoyancy aid (G21) device is in insulating vessel, buoyancy aid (G21) outer surface is insulation, the volume that the external volume of buoyancy aid (G21) is less than insulating vessel (G11) deducts the volume of conducting liquid (G31), the central authorities of buoyancy aid (G21) have through hole (G22), the diameter of the through hole (G22) of the central authorities of buoyancy aid (G21) is greater than the diameter of wire resistor, buoyancy aid (G21) floats on conducting liquid (G31) by its through hole (G22) string 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 to sink at buoyancy aid (G21) with buoyancy aid (G21), and the volume that arranges causing buoyancy aid (G21) to arrange conducting liquid (G31) increases, and then make the fluid level of conducting liquid (G31) to rise the number of turns that also can increase resistance coil (R1) and be flooded by conducting liquid (G31), and change the number of active coils of resistance coil (R1), thus reduce resistance total value between the first node (O+) of controlled path and the Section Point (O-) of controlled path gradually.
2. the Wound-rotor type controllable resistor that linearly diminishes of a kind of resistance as claimed in claim 1, is characterized in that: the flotation gear that described buoyancy aid (G21) is many kinds of substance, multiplet is formed jointly.
3. the Wound-rotor type controllable resistor that linearly diminishes of a kind of resistance as claimed in claim 1, is characterized in that: described conducting liquid (G31) is liquid metal.
4. the Wound-rotor type controllable resistor that linearly diminishes of a kind of resistance as claimed in claim 1, is characterized in that: described conducting liquid (G31) is electrolyte.
5. the Wound-rotor type controllable resistor that linearly diminishes of a kind of resistance as claimed in claim 1, is characterized in that: described bottom electrode (G51) uses the alloy containing tungsten to make.
6. the Wound-rotor type controllable resistor that linearly diminishes of a kind of resistance as claimed in claim 1, is characterized in that: described insulating vessel (G11) is made for glass.
7. the Wound-rotor type controllable resistor that linearly diminishes of a kind of resistance as claimed in claim 1, is characterized in that: described resistance coil is that tungsten is made.
8. the Wound-rotor type controllable resistor that linearly diminishes of a kind of resistance as claimed in claim 1, 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 automated machine, is characterized in that: have the Wound-rotor type controllable resistor that resistance according to claim 1 linearly diminishes.
10. a petrochemical equipment control system, is characterized in that: have the Wound-rotor type controllable resistor that resistance according to claim 1 linearly diminishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510606406.9A CN105244127A (en) | 2015-09-22 | 2015-09-22 | Winding type controllable resistor with linearly decreasing resistance value, petrochemical equipment control system and automated machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510606406.9A CN105244127A (en) | 2015-09-22 | 2015-09-22 | Winding type controllable resistor with linearly decreasing resistance value, petrochemical equipment control system and automated machine |
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| CN105244127A true CN105244127A (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510606406.9A Pending CN105244127A (en) | 2015-09-22 | 2015-09-22 | Winding type controllable resistor with linearly decreasing resistance value, petrochemical equipment control system and automated machine |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 CN201510606406.9A patent/CN105244127A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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: 20160113 |
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