CN207336736U - A kind of electricity galvanometer calibrating installation - Google Patents
A kind of electricity galvanometer calibrating installation Download PDFInfo
- Publication number
- CN207336736U CN207336736U CN201721317327.7U CN201721317327U CN207336736U CN 207336736 U CN207336736 U CN 207336736U CN 201721317327 U CN201721317327 U CN 201721317327U CN 207336736 U CN207336736 U CN 207336736U
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- constant temperature
- pipe
- constant
- galvanometer
- glass pipe
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Abstract
The utility model discloses a kind of electricity galvanometer calibrating installation, the upper sealing-plug is inserted into the top of constant temperature glass pipe, lower sealing-plug is inserted into the bottom of constant temperature glass pipe, the constant temperature water inlet pipe is arranged on the top of constant temperature glass pipe left side wall, constant-temperature effluent pipe is arranged on the lower part of constant temperature glass pipe right side wall, constant temperature glass pipe, constant temperature water inlet pipe and constant-temperature effluent pipe are integrative-structures, the sealing rubber cover is placed in constant temperature glass pipe, measuring resistance is sealed in sealing rubber cover, the constant temperature water inlet pipe is connected by feed pipe with miniature circulating pump, constant-temperature effluent pipe is connected by drainpipe with attemperater, the top of suction hose is connected on miniature circulating pump, the bottom of suction hose is inserted into attemperater, design is scientific and reasonable for it, structure composition is simple, it is easy to use.
Description
Technical field
A kind of galvanometer calibrating installation is the utility model is related to, more particularly, to a kind of electricity galvanometer calibration cartridge
Put, belong to electricity galvanometer collimation technique field.
Background technology
Galvanometer is the instrument being commonly used, and galvanometer is placed be further continued in use, needing to calibrate it, at present for a long time
Most fast, most common calibration method is connected and is calibrated with galvanometer using measuring resistance and reference power supply, still, resistance member
Generally and temperature, material, length also has that cross-sectional area is related, and gauge resistor is affected by temperature size to the resistance value size of part
Physical quantity is temperature coefficient, it is defined as resistance value changed percentage when temperature often raises 1 DEG C, therefore, measuring resistance
Size influenced be subject to ambient temperature, at different temperatures, galvanometer is calibrated using measuring resistance, it may appear that
It is different as a result, it is therefore proposed that a kind of can to carry out the device of electric current meter calibrating using measuring resistance at a constant temperature be to have very much
It is necessary.
Utility model content
The utility model pin proposes a kind of electricity galvanometer calibrating installation, and constant temperature glass is placed on using sealing rubber cover
In glass pipe, measuring resistance is sealed in sealing rubber cover, and constant temperature water inlet pipe is connected by feed pipe with miniature circulating pump, and constant temperature goes out
Water pipe is connected by drainpipe with attemperater, and the top of suction hose is connected on miniature circulating pump, the bottom insertion of suction hose
Design in attemperater, using the characteristic of 0 DEG C of mixture of ice and water in attemperater, protects the temperature in constant temperature glass pipe
Hold at 0 DEG C, make measuring resistance when in use, be in an isoperibol, eliminate influence of the temperature to measuring resistance, it is designed
Scientific and reasonable, structure composition is simple, easy to use.
The utility model solution solves existing technical problem using following technical scheme.
A kind of electricity galvanometer calibrating installation, its structure include：Constant temperature glass pipe, upper sealing-plug, lower sealing-plug, constant temperature
Water inlet pipe, constant-temperature effluent pipe, sealing rubber cover, measuring resistance, feed pipe, drainpipe, attemperater, miniature circulating pump, water suction
Pipe, reference power supply, switch, galvanometer, circuit, the upper sealing-plug are inserted into the top of constant temperature glass pipe, and lower sealing-plug is inserted
Enter to the bottom of constant temperature glass pipe, the constant temperature water inlet pipe and be arranged on the top of constant temperature glass pipe left side wall, constant-temperature effluent pipe
The lower part of constant temperature glass pipe right side wall is arranged on, constant temperature glass pipe, constant temperature water inlet pipe and constant-temperature effluent pipe are integrative-structures, described
Sealing rubber cover be placed in constant temperature glass pipe, measuring resistance is sealed in sealing rubber cover, and the constant temperature water inlet pipe leads to
Cross feed pipe to be connected with miniature circulating pump, constant-temperature effluent pipe is connected by drainpipe with attemperater, the top connection of suction hose
On miniature circulating pump, the bottom of suction hose is inserted into attemperater.
Further, the measuring resistance is connected in series by circuit and reference power supply, galvanometer, and switch is connected on circuit
On, the mixture of ice and water is placed in attemperater, and the upper sealing-plug and lower sealing-plug are to use electro-insulating rubber material
Matter is process.
The beneficial effects of the utility model are：The utility model proposes a kind of electricity galvanometer calibrating installation, use
Sealing rubber cover is placed in constant temperature glass pipe, and measuring resistance is sealed in sealing rubber cover, and constant temperature water inlet pipe passes through feed pipe
It is connected with miniature circulating pump, constant-temperature effluent pipe is connected by drainpipe with attemperater, and the top of suction hose is connected to miniature follow
On ring pump, the bottom of suction hose is inserted into the design in attemperater, utilizes the spy of 0 DEG C of mixture of ice and water in attemperater
Property, the temperature in constant temperature glass pipe is maintained at 0 DEG C, make measuring resistance when in use, be in an isoperibol, eliminate temperature
The influence to measuring resistance is spent, design is scientific and reasonable for it, and structure composition is simple, easy to use.
Brief description of the drawings
Fig. 1 is a kind of structure chart of electricity galvanometer calibrating installation；
In figure, 1- constant temperature glass pipes；The upper sealing-plugs of 2-；Sealing-plug under 3-；4- constant temperature water inlet pipes；5- constant-temperature effluent pipes；6-
Sealing rubber cover；7- measuring resistances；8- feed pipes；9- drainpipes；10- attemperaters；11- miniature circulating pumps；12- suction hoses；
13- reference power supplies；14- is switched；15- galvanometer；16- circuits；17- mixture of ice and water.
Embodiment
Below in conjunction with attached drawing and example, the utility model is described in further detail.
As shown in Figure 1, a kind of electricity galvanometer calibrating installation, its structure include：Constant temperature glass pipe 1, upper sealing-plug 2,
Lower sealing-plug 3, constant temperature water inlet pipe 4, constant-temperature effluent pipe 5, sealing rubber cover 6, measuring resistance 7, feed pipe 8, drainpipe 9, insulation
Water tank 10, miniature circulating pump 11, suction hose 12, reference power supply 13, switch 14, galvanometer 15, circuit 16, the upper sealing-plug
2 are inserted into the top of constant temperature glass pipe 1, and lower sealing-plug 3 is inserted into the bottom of constant temperature glass pipe 1, and the constant temperature water inlet pipe 4 is set
Put and be arranged on the lower part of 1 right side wall of constant temperature glass pipe, constant temperature glass in the top of 1 left side wall of constant temperature glass pipe, constant-temperature effluent pipe 5
Pipe 1, constant temperature water inlet pipe 4 and constant-temperature effluent pipe 5 are integrative-structures, and the sealing rubber cover 6 is placed in constant temperature glass pipe 1,
Measuring resistance 7 is sealed in sealing rubber cover 6, and the constant temperature water inlet pipe 4 is connected by feed pipe 8 with miniature circulating pump 11,
Constant-temperature effluent pipe 5 is connected by drainpipe 9 with attemperater 10, and the top of suction hose 12 is connected on miniature circulating pump 11, is inhaled
The bottom of water pipe 12 is inserted into attemperater 10.
Specifically, the measuring resistance 7 is connected in series by circuit 16 and reference power supply 13, galvanometer 15, switch 14
It is connected on circuit 16, the mixture of ice and water 17 is placed in attemperater 10, the upper sealing-plug 2 and lower sealing-plug
3 are process using electro-insulating rubber material.
The principle of the utility model is：Sealing rubber cover is placed in constant temperature glass pipe, and measuring resistance is sealed in sealing rubber
In gum cover, constant temperature water inlet pipe is connected by feed pipe with miniature circulating pump, and constant-temperature effluent pipe is connected by drainpipe and attemperater
Connect, the top of suction hose is connected on miniature circulating pump, and the bottom of suction hose is inserted into the design in attemperater, utilizes insulation
The characteristic of 0 DEG C of mixture of ice and water in water tank, makes the temperature in constant temperature glass pipe be maintained at 0 DEG C, makes measuring resistance when in use,
It is in an isoperibol, eliminates influence of the temperature to measuring resistance.
The basic principles, main features and the advantages of the invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention, the claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (2)
- A kind of 1. electricity galvanometer calibrating installation, it is characterised in that：Structure includes：Constant temperature glass pipe, upper sealing-plug, lower sealing Plug, constant temperature water inlet pipe, constant-temperature effluent pipe, sealing rubber cover, measuring resistance, feed pipe, drainpipe, attemperater, miniature circulation Pump, suction hose, reference power supply, switch, galvanometer, circuit, the upper sealing-plug are inserted into the top of constant temperature glass pipe, under it is close Blocking is inserted into the bottom of constant temperature glass pipe, and the constant temperature water inlet pipe is arranged on the top of constant temperature glass pipe left side wall, constant temperature Outlet pipe is arranged on the lower part of constant temperature glass pipe right side wall, and constant temperature glass pipe, constant temperature water inlet pipe and constant-temperature effluent pipe are integral knots Structure, the sealing rubber cover are placed in constant temperature glass pipe, and measuring resistance is sealed in sealing rubber cover, the constant temperature into Water pipe is connected by feed pipe with miniature circulating pump, and constant-temperature effluent pipe is connected by drainpipe with attemperater, the top of suction hose End is connected on miniature circulating pump, and the bottom of suction hose is inserted into attemperater.
- A kind of 2. electricity galvanometer calibrating installation according to claim 1, it is characterised in that：The measuring resistance is led to Cross circuit to be connected in series with reference power supply, galvanometer, switch is connected on circuit, and being placed with frozen water in the attemperater mixes Compound, the upper sealing-plug and lower sealing-plug are process using electro-insulating rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721317327.7U CN207336736U (en) | 2017-10-13 | 2017-10-13 | A kind of electricity galvanometer calibrating installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721317327.7U CN207336736U (en) | 2017-10-13 | 2017-10-13 | A kind of electricity galvanometer calibrating installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207336736U true CN207336736U (en) | 2018-05-08 |
Family
ID=62368001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721317327.7U Active CN207336736U (en) | 2017-10-13 | 2017-10-13 | A kind of electricity galvanometer calibrating installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207336736U (en) |
-
2017
- 2017-10-13 CN CN201721317327.7U patent/CN207336736U/en active Active
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