CN205484716U - Variable capacitance makes up case - Google Patents
Variable capacitance makes up case Download PDFInfo
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- CN205484716U CN205484716U CN201521125865.7U CN201521125865U CN205484716U CN 205484716 U CN205484716 U CN 205484716U CN 201521125865 U CN201521125865 U CN 201521125865U CN 205484716 U CN205484716 U CN 205484716U
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- variable capacitance
- microfarads
- panel
- microfarad
- case
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- 239000003990 capacitor Substances 0.000 claims description 23
- 238000009413 insulation Methods 0.000 claims description 6
- 238000012827 research and development Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 230000000007 visual effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model discloses a variable capacitance makes up case, variable capacitance makes up case includes: panel that the insulating case body, control and voltage electric current show and install the mainboard in the internal portion of insulating case, the numerical value of voltage, electric current on the panel display mainboard sets up a plurality of buttons that are used for adjusting variable capacitance numerical value on the panel. Variable capacitance makes up case, it can the big or small button of control capacittance to be provided with on the panel, show electric capacity in its internal circuit at once through adjusting, voltage, the electric current isoparametric, this variable capacitance makes up case is provided with the electric capacity unit of a plurality of different capacity, through making up each other, all precision that can constitute 0.5 microfarad~101.5 microfarad within ranges are the electric capacity of 0.5 microfarad, satisfy the supporting demand of medium and small single phase alternating current motor research and development, its precision is high, long -life, more than the withstand voltage high 1000Va. C. The present invention is convenient to operate, display is visual, continuous running, satisfy the in -service use demand, and the implementing effect is favorable.
Description
Technical field
This utility model relates to a kind of variable capacitance combination box, belongs to capacitor technology field.
Background technology
In prior art, the type selecting for the working capacitor of single-phase motor can only pass through motor comprehensive test instrument, and the empirical value in conjunction with individual determines capacitor capacitance size, and this mode judges that precision is the highest.And it is loaded down with trivial details to make sample technique, manufacturing cost is high and the delivery cycle is long, it is impossible to adapt to medium and small load motor research and development demand.
Summary of the invention
The deficiency that this utility model exists for prior art just, it is provided that a kind of variable capacitance combination box, meets actual medium and small load motor and researches and develops supporting demand.
For solving the problems referred to above, technical solution adopted in the utility model is as follows:
A kind of variable capacitance combination box, described variable capacitance combination box includes: panel that insulation box, control and voltage x current show and be arranged on the mainboard within insulation box, voltage, the numerical value of electric current on described Display panel mainboard, arrange multiple button for adjusting variable capacitance numerical value on panel.
As the improvement of technique scheme, the main line of the mainboard of variable capacitance combination box arranges noinductive capacitor group.
Improvement as technique scheme, described noinductive capacitor group is variable capacitance, including the capacitor cell of multiple different capabilities, described capacitor cell includes that capacity is: 50 microfarads, 20 microfarads, 20 microfarads, 5 microfarads, 2 microfarads, 2 microfarads, 1 microfarad, the electric capacity of 0.5 microfarad.
Variable capacitance combination box described in the utility model, panel is provided with the button that can regulate capacitance size, electric capacity in its internal circuit is shown at once by regulation, voltage, the parameters such as electric current, this variable capacitance combination box is provided with the capacitor cell of multiple different capabilities, by combining each other, the electric capacity that all precision are 0.5 microfarad in 0.5 microfarad～101.5 microfarad range can be formed, meet medium and small load motor and research and develop supporting demand, its precision is high, long-life, pressure high more than 1000Va.c., and it is easy to operate, intuitive display, continuously-running, meet actually used demand, implementation result is good.
Accompanying drawing explanation
Fig. 1 is variable capacitance combination box panel construction schematic diagram described in the utility model；
Fig. 2 is variable capacitance combination box connection circuit schematic diagram described in the utility model.
Detailed description of the invention
Content of the present utility model is described below in conjunction with specific embodiments.
As shown in Figure 1, for variable capacitance combination box panel construction schematic diagram described in the utility model, variable capacitance combination box described in the utility model includes: panel that insulation box, control and voltage x current show and be arranged on the mainboard within insulation box, the numerical value such as voltage, electric current on described Display panel mainboard, panel arranges multiple button, adjusted the numerical value of variable capacitance by regulation button, and show on panel.As shown in Figure 1, it is respectively provided with on panel: master switch 1, ammeter 2, voltmeter 3, binding post 4, load discharge device 5, capacity nameplate 6, noinductive capacitor group 7 and head-shaking switch 8, ammeter 2 and voltmeter 3 are respectively intended to show the current value on internal motherboard circuit and magnitude of voltage, binding post 4 is used for and external circuit wiring, master switch 1 is used for controlling variable capacitance combination box power on/off, load discharge device 5 is used for regulating circuit load size and electric discharge, on capacity nameplate 6, mark controls the amount electric parameter of variable capacitance combination box, noinductive capacitor group 7 is variable capacitance, it is grouped together into different capacitances by different capacitor cells, head-shaking switch 8 is used for the head shaking movement of adjusting means.
As shown in Figure 2, for variable capacitance combination box connection circuit schematic diagram described in the utility model, in Fig. 2, dotted portion is variable capacitance combination box described in the utility model, Fig. 2 is alternating current generator typical wiring mode, described alternating current generator is arranged: motor main winding 9, motor auxiliary winding 10, after motor auxiliary winding 10 is connected with described variable capacitance combination box, it is connected in parallel with motor main winding 9.
As in figure 2 it is shown, arrange noinductive capacitor group 7 on the main line of described variable capacitance combination box, at noinductive capacitor group 7 two ends shunt load electric discharge device 5 and voltmeter 3, connect on main line master switch 1 and ammeter 2.Master switch 1 controls the power on/off of whole circuit, and ammeter 2 is used for electric current in display circuit, and described noinductive capacitor group 7 includes the capacitor cell of multiple different capabilities, is combined each other by it and forms different capacity.
As it is shown in figure 1, described noinductive capacitor group 7 is variable capacitance, including the capacitor cell of multiple different capabilities, the integrated mode using " 5-2-2-1 " most economical obtains required 0.5 to 101.5 microfarads and all capacity that scale division value is 0.5 microfarad.
The capacitor cell of described noinductive capacitor group 7, including capacity it is: 50 microfarads, 20 microfarads, 20 microfarads, 5 microfarads, 2 microfarads, 2 microfarads, 1 microfarad, the electric capacity of 0.5 microfarad, the electric capacity that all precision are 0.5 microfarad in 0.5 microfarad～101.5 microfarad range can be formed with it, such as it is combined into 100 microfarads, the combination of " 50 microfarads, 20 microfarads, 20 microfarads, 5 microfarads, 2 microfarads, 2 microfarads, 1 microfarad " can be used；The most such as combine 98.5 microfarads, the combination of " 50 microfarads, 20 microfarads, 20 microfarads, 5 microfarads, 2 microfarads, 1 microfarad, 0.5 microfarad " can be used.
Above content is the detailed description made this utility model in conjunction with specific embodiments, it is impossible to assert that this utility model is embodied as being only limitted to these explanations.For this utility model person of ordinary skill in the field, without departing from the concept of the premise utility, it is also possible to make some simple deduction or replace, the scope of this utility model protection should be all considered as belonging to.
Claims (3)
1. a variable capacitance combination box, it is characterized in that, described variable capacitance combination box includes: panel that insulation box, control and voltage x current show and be arranged on the mainboard within insulation box, voltage, the numerical value of electric current on described Display panel mainboard, arrange multiple button for adjusting variable capacitance numerical value on panel.
2. a kind of variable capacitance combination box as claimed in claim 1, is characterized in that, the main line of the mainboard of variable capacitance combination box arranges noinductive capacitor group (7).
3. a kind of variable capacitance combination box as claimed in claim 2, it is characterized in that, described noinductive capacitor group (7) is variable capacitance, including the capacitor cell of multiple different capabilities, described capacitor cell includes that capacity is: 50 microfarads, 20 microfarads, 20 microfarads, 5 microfarads, 2 microfarads, 2 microfarads, 1 microfarad, the electric capacity of 0.5 microfarad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521125865.7U CN205484716U (en) | 2015-12-31 | 2015-12-31 | Variable capacitance makes up case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521125865.7U CN205484716U (en) | 2015-12-31 | 2015-12-31 | Variable capacitance makes up case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205484716U true CN205484716U (en) | 2016-08-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521125865.7U Expired - Fee Related CN205484716U (en) | 2015-12-31 | 2015-12-31 | Variable capacitance makes up case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205484716U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107819396A (en) * | 2016-09-14 | 2018-03-20 | 方惠娥 | A kind of comprehensive forceful electric power isolation and electric source filter circuit |
-
2015
- 2015-12-31 CN CN201521125865.7U patent/CN205484716U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107819396A (en) * | 2016-09-14 | 2018-03-20 | 方惠娥 | A kind of comprehensive forceful electric power isolation and electric source filter circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |