CN205158756U - Worker's cabinet is examined to intelligence - Google Patents
Worker's cabinet is examined to intelligence Download PDFInfo
- Publication number
- CN205158756U CN205158756U CN201520934790.0U CN201520934790U CN205158756U CN 205158756 U CN205158756 U CN 205158756U CN 201520934790 U CN201520934790 U CN 201520934790U CN 205158756 U CN205158756 U CN 205158756U
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- module
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- fault
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model relates to a worker's cabinet is examined to intelligence, include: circuit fault district, the trouble that is used for this circuit fault district to set up corresponding trouble set up the unit, and the voltage detecting who is located circuit fault district top distinguishes, the voltage detecting district includes: a plurality of measuring apertures and cooperate a measuring common grounding hole with it, the wiring end that is located each measuring aperture links to each other with selecting a switch module, AD module, processor module through the modulate circuit respectively in proper order, and processor module's output control terminal links to each other with the control end that selects a switch module more, processor module still links to each other with button and display module, the utility model discloses a multichannel voltage detecting is accomplished to many measuring apertures that worker's cabinet is examined to intelligence passes through voltage detecting district, the fault point of judgement faulty circuit that can be quick, and the student only need carry out simple reasoning from logic through the multiunit data and can obtain the fault point promptly.
Description
Technical field
The utility model relates to a kind of teaching equipment field, particularly relates to a kind of intelligence and examines work cabinet.
Background technology
At present, examining work cabinet is that maintenance electrician examines indispensable experiment, actual training device, but traditional work cabinet of examining all needs student to carry multimeter to carry out breakdown judge, and the circuit examining work cabinet inside relates to high pressure again, brings certain potential safety hazard to student's real training.
Therefore, for the problems referred to above, need a kind of novel intelligence of design to examine work cabinet.
Utility model content
The purpose of this utility model is to provide a kind of intelligence and examines work cabinet, to meet the technical matters that multichannel data is measured.
In order to solve the problems of the technologies described above, the utility model provides a kind of intelligence and examines work cabinet, comprising: fault district, arrange the fault verification unit of corresponding failure for this fault district; And the voltage detecting district be positioned at above fault district; Described voltage detecting district comprises: a common ground hole of some measured holes and with it conjunction measuring; The terminals being positioned at each measured hole are connected with multiselect one switch module, A/D module, processor module successively respectively by modulate circuit, and the output control terminal of described processor module is connected with the control end of multiselect one switch module; Described processor module is also connected with display module with button.
Further, described processor module is also connected with wireless module, so that measurement data is uploaded to teacher computer.
Further, described modulate circuit comprises: step-down electronic circuit and amplification electronic circuit, wherein said step-down electronic circuit comprises the divider resistance being suitable for input voltage being carried out step-down, the voltage follower be connected with this divider resistance, the output terminal of this voltage follower connects described amplification electronic circuit, this amplification electronic circuit adopts the in-phase proportion computing circuit be made up of integrated operational amplifier, and the output terminal of this in-phase proportion computing circuit is connected with the respective input of multiselect one switch module.
The beneficial effects of the utility model are, intelligence of the present utility model is examined work cabinet and is completed plurality of voltages detection by many measured holes in voltage detecting district, can the trouble spot of failure judgement circuit fast, namely student only needs to carry out simple logic reasoning by multi-group data and can obtain trouble spot.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the distribution schematic diagram that intelligence of the present utility model examines work cabinet;
Fig. 2 is the theory diagram that intelligence of the present utility model examines work cabinet.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
As depicted in figs. 1 and 2, a kind of intelligence of the present utility model examines work cabinet, comprising: fault district 1, arrange the fault verification unit of corresponding failure for this fault district 1; And the voltage detecting district 2 be positioned at above fault district 1; Described voltage detecting district 2 comprises: common ground 202 hole of some measured holes 201 and with it conjunction measuring; The terminals being positioned at each measured hole 201 are connected with multiselect one switch module, A/D module, processor module successively respectively by modulate circuit 205, and the output control terminal of described processor module is connected with the control end of multiselect one switch module; Described processor module is also connected with display module 204 with button 203.
Concrete, the quantity of described measured hole 201 is 4 or 8.Described fault verification unit adopts fault verification button, is positioned at the back side of examining work cabinet; Concrete, disconnected by branch road (circuit) a certain in button control circuit, artificially trouble spot is set, student is tested.Student inserts test lead by instrument connection, as voltage test pencil, examines the while that work cabinet carrying out the circuit in fault district 1, multimetering, improve testing efficiency by this intelligence.
Described modulate circuit comprises: step-down electronic circuit and amplification electronic circuit, described step-down electronic circuit comprises the divider resistance being suitable for input voltage being carried out step-down, i.e. resistance in series R1 and resistance R2, the output terminal of divider resistance is drawn between resistance R1 and resistance R2, and after drawing, connect the input end of a voltage follower, the stable effect gathering voltage is played by this voltage follower, the output terminal of this voltage follower connects amplification electronic circuit, this amplification electronic circuit adopts the in-phase proportion computing be made up of integrated operational amplifier, to regulate gathered voltage further.
Described processor module is also connected with wireless module, so that measurement data is uploaded to teacher computer, so that teacher computer gathers test data, referring to student's test data.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on instructions, must determine its technical scope according to right.
Claims (3)
1. intelligence examines a work cabinet, it is characterized in that, comprising: fault district, arrange the fault verification unit of corresponding failure for this fault district; And the voltage detecting district be positioned at above fault district;
Described voltage detecting district comprises: a common ground hole of some measured holes and with it conjunction measuring; The terminals being positioned at each measured hole are connected with multiselect one switch module, A/D module, processor module successively respectively by modulate circuit, and the output control terminal of described processor module is connected with the control end of multiselect one switch module;
Described processor module is also connected with display module with button.
2. intelligence as claimed in claim 1 examines work cabinet, and it is characterized in that, described processor module is also connected with wireless module, so that measurement data is uploaded to teacher computer.
3. intelligence as claimed in claim 1 or 2 examines work cabinet, it is characterized in that,
Described modulate circuit comprises: step-down electronic circuit and amplification electronic circuit, wherein
Described step-down electronic circuit comprises the divider resistance being suitable for input voltage being carried out step-down, the voltage follower be connected with this divider resistance, the output terminal of this voltage follower connects described amplification electronic circuit, this amplification electronic circuit adopts the in-phase proportion computing circuit be made up of integrated operational amplifier, and the output terminal of this in-phase proportion computing circuit is connected with the respective input of multiselect one switch module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520934790.0U CN205158756U (en) | 2015-11-20 | 2015-11-20 | Worker's cabinet is examined to intelligence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520934790.0U CN205158756U (en) | 2015-11-20 | 2015-11-20 | Worker's cabinet is examined to intelligence |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205158756U true CN205158756U (en) | 2016-04-13 |
Family
ID=55694425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520934790.0U Expired - Fee Related CN205158756U (en) | 2015-11-20 | 2015-11-20 | Worker's cabinet is examined to intelligence |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205158756U (en) |
-
2015
- 2015-11-20 CN CN201520934790.0U patent/CN205158756U/en not_active Expired - Fee Related
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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: 20160413 Termination date: 20161120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |