CN207008934U - A kind of Physical Experiment supply unit of student - Google Patents
A kind of Physical Experiment supply unit of student Download PDFInfo
- Publication number
- CN207008934U CN207008934U CN201720560335.8U CN201720560335U CN207008934U CN 207008934 U CN207008934 U CN 207008934U CN 201720560335 U CN201720560335 U CN 201720560335U CN 207008934 U CN207008934 U CN 207008934U
- Authority
- CN
- China
- Prior art keywords
- bottom plate
- panel
- direct current
- frame
- electrical connection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses the Physical Experiment supply unit of student a kind of, its structure includes control bottom plate, frame, housing, radiator-grid, panel, current adjusting knob, fuse, voltmeter, exchange at electrical connection, direct current finely tunes button, start key, close key, at direct current electrical connection, organic frame is connected on control bottom plate, frame is connected with housing, housing is provided with radiator-grid, panel is connected with frame, current adjusting knob is connected with panel, voltmeter is connected with panel, panel is provided with exchange electrical connection, direct current fine setting button is connected with panel, direct current finely tunes button with being connected at direct current electrical connection.The beneficial effects of the utility model are that the control bottom plate with function of power protection is provided with structure; and it is provided with current adjusting knob; it is set to carry out multi-faceted protection to experimental power supply; and power supply can be adjusted; so as to improve the security performance of experimental provision; more convenient operation, and reduce use cost.
Description
Technical field
The utility model is the Physical Experiment supply unit of student a kind of, belongs to apparatus for protecting power supply field.
Background technology
The supply line of current student's electrician practical training apparatus, generally use 220V or 380V AC-powereds；With
Excessively stream or short-circuit protection of the fuse as power supply.This protected mode is although easy and effective, still, when road occur excessively stream or
When short-circuit, protection circuit is come with regard to blowout (fusible core) and is not burned out.Fuse must be changed by restoring electricity, therefore number
It is tired.
Prior art discloses Application No.：201410817446.3 a kind of laboratory power supply protection device, scheme is：
It is made up of power circuit, magnetic latching relay, current detecting sample circuit, comparator and triggers circuit, power circuit is by 220V
It is all the way magnetic latching relay and triggering electricity or 380V AC powers transformation is 12V alternating currents, and two-way is divided into after rectified filtering
Road powers, and another way gives comparator power supply, current detecting sample circuit, to by the electricity in the supply line of laboratory after voltage stabilizing
Stream sampling and the in-phase input end that sampling current is sent into comparator, comparator are carried out according to comparative result to magnetic latching relay
Switch control.But laboratory power supply protection device of the prior art is more single in the protection to power supply, fill experiment
The security performance put reduces.
Utility model content
In view of the deficienciess of the prior art, the utility model purpose is to provide the Physical Experiment power supply dress of student a kind of
Put, with solve laboratory power supply protection device of the prior art in the protection to power supply it is more single, make experimental provision
The problems such as security performance reduces.
To achieve these goals, the utility model is to realize by the following technical solutions：A kind of thing of student
Manage experimental power supply device, its structure include control bottom plate, frame, housing, radiator-grid, panel, current adjusting knob, fuse,
At voltmeter, exchange electrical connection, at direct current fine setting button, start key, close key, direct current electrical connection, connected on the control bottom plate
Organic frame, the frame are connected with housing, and the housing is provided with radiator-grid, and panel, the face are connected with the frame
Current adjusting knob is connected with plate, voltmeter is connected with the panel, the panel is provided with exchange electrical connection, described
Direct current fine setting button is connected with panel, the direct current finely tunes button with being connected at direct current electrical connection, the panel provided with start key,
Close key, it is described control bottom plate by bottom plate, power supply wiring, screw, current-limiting resistance, coil, capacitor, alternating current delivery outlet,
Direct current delivery outlet, transformer composition, the bottom plate are provided with power supply wiring, and the bottom plate is provided with screw, the bottom plate
On be connected with current-limiting resistance, the current-limiting resistance is connected with coil, and the coil is connected with capacitor, is set on the bottom plate
There is alternating current delivery outlet, the bottom plate is provided with direct current delivery outlet, transformer is connected with the bottom plate.
Further, the bottom plate is connected by frame with housing.
Further, the frame is connected by housing with radiator-grid.
Further, the panel is connected to control plate upper surface.
Further, it is connected at the exchange electrical connection with alternating current delivery outlet.
Further, it is connected at the direct current electrical connection with direct current delivery outlet.
Further, the housing is made up of galvanized sheet makes it have insulating properties.
Further, being made of copper at the power supply wiring strengthens its electric conductivity.
The beneficial effects of the utility model are that the control bottom plate with function of power protection is provided with structure, and are set
Current adjusting knob has been put, it is carried out multi-faceted protection to experimental power supply, and power supply can be adjusted, from
And the security performance of experimental provision is improved, more convenient operation, and reduce use cost.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, other spies of the present utility model
Sign objects and advantages will become more apparent upon：
Fig. 1 is a kind of structural representation of the Physical Experiment supply unit of student of the utility model；
Fig. 2 is a kind of structural representation of the control bottom plate of the Physical Experiment supply unit of student of the utility model.
In figure：Control bottom plate -1, frame -2, housing -3, radiator-grid -4, panel -5, current adjusting knob -6, fuse -
7th, voltmeter -8, -9, direct current fine setting button -10 at exchange electrical connection, start key -11, close key -12, -13 at direct current electrical connection,
- 102, screw -103, current-limiting resistance -104, coil -105, capacitor -106, exchange electricity output at bottom plate -101, power supply wiring
Hole -107, direct current delivery outlet -108, transformer -109.
Embodiment
Technological means, creation characteristic, reached purpose and effect to realize the utility model are easy to understand, below
With reference to embodiment, the utility model is expanded on further.
Fig. 1 and Fig. 2 are referred to, the utility model provides a kind of Physical Experiment supply unit of student, and its structure includes
Control bottom plate 1, frame 2, housing 3, radiator-grid 4, panel 5, current adjusting knob 6, fuse 7, voltmeter 8, exchange electrical connection
Place 9, direct current fine setting button 10, start key 11, close key 12,13 at direct current electrical connection, organic frame 2 is connected on the control bottom plate 1,
The frame 2 is connected with housing 3, and the housing 3 is provided with radiator-grid 4, and panel 5, the panel are connected with the frame 2
Current adjusting knob 6 is connected with 5, voltmeter 8 is connected with the panel 5, the panel 5 is provided with 9 at exchange electrical connection,
Direct current fine setting button 10 is connected with the panel 5, the direct current fine setting button 10 is connected with direct current electrical connection 13, the panel 5
Start key 11, close key 12 are provided with, the control bottom plate 1 is by bottom plate 101, power supply wiring 102, screw 103, current-limiting resistance
104th, coil 105, capacitor 106, alternating current delivery outlet 107, direct current delivery outlet 108, transformer 109 form, the bottom plate
101 are provided with 102 at power supply wiring, and the bottom plate 101 is provided with screw 103, and current-limiting resistance is connected with the bottom plate 101
104, the current-limiting resistance 104 is connected with coil 105, and the coil 105 is connected with capacitor 106, on the bottom plate 101
Provided with alternating current delivery outlet 107, the bottom plate 101 is provided with direct current delivery outlet 108, and transformation is connected with the bottom plate 101
Device 109, the bottom plate 1 are connected by frame 2 with housing 3, and the frame 2 is connected by housing 3 with radiator-grid 4, the panel 5
Control bottom plate 1 upper surface is connected to, 9 are connected with alternating current delivery outlet 107 at the exchange electrical connection, the direct current electrical connection
Place 13 is connected with direct current delivery outlet 108, and the housing 3 is made up of galvanized sheet makes it have insulating properties, the power supply wiring
Place 102, which is made of copper, strengthens its electric conductivity.
Fuse 7 described in this patent is also referred to as current insurance silk, and it is defined as " fuse-link " by IEC127 standards.Its
Mainly play overload protective function, the voltmeter 8 is a kind of instrument for measuring voltage, common voltage table --- voltage meter.
Fuse 7 is loaded onto when user is want using this patent, is connected by wire with power supply wiring 102, is led to
Enter power supply, be connected as needed using at exchange electrical connection 9 or direct current electrical connection 13 with experimental line, pass through current regulation
Knob 6, direct current fine setting button 10 are adjusted to suitable parameters, and being opened by start key 11 to begin to use, when current overload, short circuit
When fuse 7 will fuse, and current-limiting resistance will be limited electric current.Closed after the completion of use by close key 12.
It is of the present utility model to control bottom plate 1, frame 2, housing 3, radiator-grid 4, panel 5, current adjusting knob 6, fuse
7th, voltmeter 8,9, direct current fine setting button 10, start key 11, close key 12,13, bottom plate at direct current electrical connection at exchange electrical connection
101st, 102, screw 103, current-limiting resistance 104, coil 105, capacitor 106, alternating current delivery outlet 107, direct current at power supply wiring
Electricity output hole 108, transformer 109, the part that part is universal standard part or those skilled in the art know, its structure and original
Reason is all that this technology personnel can learn or know by normal experiment method that what the utility model solved asks by technical manual
Topic is that laboratory power supply protection device of the prior art is more single in the protection to power supply, makes the security of experimental provision
It can reduce, the utility model is combined with each other by above-mentioned part, it is carried out multi-faceted protection to experimental power supply, and
And power supply can be adjusted, so as to improve the security performance of experimental provision, more convenient operation, and reduce use into
This, it is described in detail below：
Controlling and organic frame 2 is connected on bottom plate 1, the frame 2 is connected with housing 3, and the housing 3 is provided with radiator-grid 4,
Panel 5 is connected with the frame 2, current adjusting knob 6 is connected with the panel 5, voltmeter is connected with the panel 5
8, the panel 5 is provided with 9 at exchange electrical connection, and direct current fine setting button 10 is connected with the panel 5, and the direct current finely tunes button 10
Be connected with direct current electrical connection 13, the panel 5 be provided with start key 11, close key 12, it is described control bottom plate 1 by bottom plate 101,
102, screw 103, current-limiting resistance 104, coil 105, capacitor 106, alternating current delivery outlet 107, direct current are defeated at power supply wiring
The 108, transformer 109 that portals is formed, and the bottom plate 101 is provided with 102 at power supply wiring, and the bottom plate 101 is provided with screw
103, current-limiting resistance 104 is connected with the bottom plate 101, and the current-limiting resistance 104 is connected with coil 105, the coil 105
It is connected with capacitor 106, the bottom plate 101 is provided with alternating current delivery outlet 107, and it is defeated that the bottom plate 101 is provided with direct current
Portal 108, transformer 109 is connected with the bottom plate 101.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above, for
For those skilled in the art, it is clear that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and without departing substantially from this
In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the utility model is by institute
Attached claim rather than described above limit, it is intended that will fall in the implication and scope of the equivalency of claim
All changes are included in the utility model.Any reference in claim should not be considered as to the involved right of limitation
It is required that.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (6)
- A kind of 1. Physical Experiment supply unit of student, it is characterised in that：Its structure include control bottom plate (1), frame (2), Housing (3), radiator-grid (4), panel (5), current adjusting knob (6), fuse (7), voltmeter (8), exchange electrical connection at (9), direct current fine setting button (10), start key (11), close key (12), at direct current electrical connection (13), connect on the control bottom plate (1) Frame (2) is connected to, the frame (2) is connected with housing (3), and the housing (3) is provided with radiator-grid (4), the frame (2) On be connected with panel (5), current adjusting knob (6) is connected with the panel (5), voltmeter is connected with the panel (5) (8), the panel (5) is provided with exchange electrical connection (9), and direct current fine setting button (10) is connected with the panel (5), described straight Stream fine setting button (10) is connected with (13) at direct current electrical connection, and the panel (5) is provided with start key (11), close key (12), institute Control bottom plate (1) is stated by bottom plate (101), power supply wiring (102), screw (103), current-limiting resistance (104), coil (105), electricity Container (106), alternating current delivery outlet (107), direct current delivery outlet (108), transformer (109) form, on the bottom plate (101) Provided with (102) at power supply wiring, the bottom plate (101) is provided with screw (103), and current limiting electricity is connected on the bottom plate (101) To hinder (104), the current-limiting resistance (104) is connected with coil (105), and the coil (105) is connected with capacitor (106), The bottom plate (101) is provided with alternating current delivery outlet (107), and the bottom plate (101) is provided with direct current delivery outlet (108), institute State and transformer (109) is connected with bottom plate (101).
- A kind of 2. Physical Experiment supply unit of student according to claim 1, it is characterised in that：The bottom plate (1) It is connected by frame (2) with housing (3).
- A kind of 3. Physical Experiment supply unit of student according to claim 1, it is characterised in that：The frame (2) It is connected by housing (3) with radiator-grid (4).
- A kind of 4. Physical Experiment supply unit of student according to claim 1, it is characterised in that：The panel (5) It is connected to control bottom plate (1) upper surface.
- A kind of 5. Physical Experiment supply unit of student according to claim 1, it is characterised in that：The alternating current connects (9) are connected with alternating current delivery outlet (107) at line.
- A kind of 6. Physical Experiment supply unit of student according to claim 1, it is characterised in that：The direct current connects (13) are connected with direct current delivery outlet (108) at line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720560335.8U CN207008934U (en) | 2017-05-19 | 2017-05-19 | A kind of Physical Experiment supply unit of student |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720560335.8U CN207008934U (en) | 2017-05-19 | 2017-05-19 | A kind of Physical Experiment supply unit of student |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207008934U true CN207008934U (en) | 2018-02-13 |
Family
ID=61444961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720560335.8U Expired - Fee Related CN207008934U (en) | 2017-05-19 | 2017-05-19 | A kind of Physical Experiment supply unit of student |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207008934U (en) |
-
2017
- 2017-05-19 CN CN201720560335.8U patent/CN207008934U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180213 Termination date: 20190519 |