CN202306204U - Digitalized laboratory power source - Google Patents
Digitalized laboratory power source Download PDFInfo
- Publication number
- CN202306204U CN202306204U CN2011203767144U CN201120376714U CN202306204U CN 202306204 U CN202306204 U CN 202306204U CN 2011203767144 U CN2011203767144 U CN 2011203767144U CN 201120376714 U CN201120376714 U CN 201120376714U CN 202306204 U CN202306204 U CN 202306204U
- Authority
- CN
- China
- Prior art keywords
- power supply
- student
- teacher
- power source
- laboratory
- 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 - Lifetime
Links
Images
Landscapes
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The utility model discloses a digitalized laboratory power source including a teacher auxiliary power source system and a student power supply control system. The teacher auxiliary power source system is provided with a teacher auxiliary high-voltage power source and a teacher auxiliary low-voltage safety power source. The student power supply control system is provided with a student AC power source and a student safety AC/DC power source. The teacher auxiliary power source system and the student power supply control system connect with a controller. Compared with the prior art, by using the digitalized laboratory power source in the utility model, students can not switch on a teacher table power source to power on a student table, thereby guaranteeing the safety of teachers and the students. The DC power source can help in obtaining a comparatively accurate value in an experiment and does not affect the experiment. And the teachers can control the AC/DC power source used by the students timely, effectively and accurately, thereby avoiding burning experimental devices.
Description
Technical field
The utility model relates to the laboratory equipment field, exactly is meant a kind of e-laboratory power supply.
Background technology
At present, current experiments chamber power supply, no matter there are potential safety hazard in teacher and student's power supply.Under the situation that does not obtain allowing, the student possibly open teacher's platform power supply voluntarily and make student desk obtain power supply, possibly jeopardize human life.In addition, the direct supply that the student uses can not obtain numerical value more accurately, the effect of influence experiment, and also the teacher can not timely and effectively control the direct supply that the student uses exactly, thus possibly burn out experiment apparatus.
The utility model content
To above-mentioned defective; The technical matters that the utility model solves is to provide a kind of e-laboratory power supply platform, and the student can not open teacher's platform power supply voluntarily and make student desk obtain power supply, guarantees Faculty and Students' life security; Not only the direct supply of student's use can obtain numerical value more accurately; Can not influence the effect of experiment, and the teacher can timely and effectively control the direct supply that the student uses exactly, avoid burning out experiment apparatus.
In order to solve above technical matters; The e-laboratory power supply that the utility model provides; Comprise teacher's auxiliary power supply system and student's electric power supply control system, said teacher's auxiliary power supply system is provided with the personal high-voltage power supply of teacher and the teacher low-voltage safety power supply of using by oneself; Said student's electric power supply control system is provided with student's electric main power supply and student's low-voltage safety power of alterating and direct current; Said teacher's auxiliary power supply system is connected with controller with said student's electric power supply control system.
More excellent ground, the personal low-voltage safety power of alterating and direct current of said teacher is connected with micro computer.
More excellent ground, said student's electric main power supply is divided into four groups.
More excellent ground, said student's low-voltage safety power of alterating and direct current is divided into four groups, is connected with micro computer respectively.
More excellent ground, said e-laboratory power supply platform also comprises total power switch, said total power switch is controlled the switch of said teacher's auxiliary power supply system and said student's electric power supply control system.
More excellent ground, said total power switch is an earth leakage circuit-breaker.
More excellent ground, said total power switch adopts the contactless power-on management system that swipes the card of radio-frequency card.
More excellent ground, said e-laboratory power supply platform also comprises data acquisition system (DAS), said data acquisition system (DAS) is connected with computer through the RS232 serial ports.
Compared with prior art, the e-laboratory power supply that the utility model provides, it has the following advantages:
1, the startup of swiping the card of teacher's power supply; General supply adopts the contactless power-on management of swiping the card of radio-frequency card; For intelligent network Long-distance Control and Work attendance management system (can be swiped the card or the password start; And Record ID number and start number of times), also have clock and show and functions such as timing automatic shutdown, extendible multimedia interface; The user who only obtains authorizing could open teacher's platform power supply effectively, and effectively at managing electrical power;
2, student's control power supply of supplying power can divide four groups of given and locking students' power supply, and when serving as a teacher the power supply that does not have given and locking student, the student can freely regulate personal low pressure 0～30V and exchange and 1.25～30V direct supply; After serving as a teacher given and locking student's power supply; No matter student's low pressure alterating and direct current output valve is former what numerical value before this; With the low pressure power of alterating and direct current value of unconditionally carrying out and meet teacher's setting; Student's keyboard is exported but send the unlocking signal ability free adjustment low pressure alterating and direct current that resets once more up to the teacher with to being locked;
3, the data acquisition system (DAS) of teacher's power supply can be gathered in real time with voltage signal experiment, and delivered to the computer that is connected through the RS232 oral instructions; Can obtain the signal curve of real-time follow-up on the software of computer; Realize visuality, real-time and the accuracy of experimental data, and preserve, consult after being provided with; This data acquisition system (DAS) is to use 12 A/D conversion chip, and precision is higher;
4, teacher's power supply is to the control method of student's power supply, and teacher's power supply student power supply all uses microcomputerized control, and connects through netting twine, and promptly the teacher is a power supply of controlling the student through software signal; The low-voltage dc power supply of Faculty and Students is through the tuning realization of direct current generator.
Description of drawings
Fig. 1 is the structured flowchart of e-laboratory power supply in the utility model.
Embodiment
For the technical scheme that those skilled in the art can understand the utility model better and provided, set forth below in conjunction with specific embodiment.
See also Fig. 1, this figure is the control structure block diagram of e-laboratory power supply platform in the utility model.
The e-laboratory power supply that the utility model provides comprises teacher's auxiliary power supply S2 of system and student's electric power supply control system S3, teacher's auxiliary power supply S2 of system be provided with personal high pressure (AC220V) power supply of teacher and with the personal low-voltage safety power supply of teacher; Student's electric power supply control system S3 is provided with student's electric main (AC220V) power supply and student's low-voltage safety power of alterating and direct current; Teacher's auxiliary power supply S2 of system is connected with controller S4 with student's electric power supply control system S3.
The personal low-voltage safety power supply of teacher is connected with micro computer; Student's electric main (AC220V) power supply is divided into four groups; Student's low-voltage safety power of alterating and direct current is divided into four groups, is connected with micro computer respectively.
One, total power switch S1: be earth leakage circuit-breaker, adopt the contactless power-on management of swiping the card of radio-frequency card, the switch of the total power switch S1 control teacher auxiliary power supply S2 of system and student's electric power supply control system S3.
Two, the S2 of teacher's auxiliary power supply system:
1, personal high pressure (AC220V) power supply of teacher: civil power output: 2 groups of alternating current 220V/10A;
2, the personal low-voltage safety power supply of teacher, low pressure power of alterating and direct current be by microcomputerized control, have be quick on the draw, accurately safely, the automatic restarting function that crashes, specifically comprise following three kinds:
(1) low-voltage alternating current power supply: 0-30V is adjustable (every grade of 2V), rated current 8A (short circuit, automatic overload protection, hand-reset);
(2) D.C. regulated power supply: 1.25-30V is adjustable continuously (resolution is 0.1V), rated current 8A (short circuit, automatic overload protection, automatically reset);
(3) D.C. high-current output: 9V/40A (automatically reseting in 8 seconds).
Three, student's electric power supply control system S3:
1, controls student experimenting platform electric main output 220V power supply by the teacher, be divided into four groups.
2, controlled by the teacher that the student experimenting platform is given, locking low pressure power of alterating and direct current, be divided into four groups, by microcomputerized control, the netting twine transmission has safe and reliablely, be quick on the draw, accurately safely, automatic restarting function crashes.
Below be pattern given, locking:
(1) not given locking mode: the student can freely regulate the voltage value of low-voltage alternating-current and low-voltage direct, and (low-voltage direct output does not receive the control of low-voltage alternating-current output and influences; Low-voltage alternating-current output does not receive the control of low-voltage direct output yet and influences, i.e. independent regulation voltage output separately), the magnitude of voltage that exchanges output is 0-30V adjustable (every grade of 2V), resolution is 2V; The magnitude of voltage of direct current output is that 1.25-30V is adjustable continuously, and resolution is 0.1V.
(2) given locking mode: the teacher can select similar and different low-voltage alternating-current and low-voltage dc voltage value simultaneously and deliver to and lock after the student holds power supply; Then the student can only use given similar and different low-voltage alternating-current of teacher and low-voltage dc voltage value; And the student can't change (being that student's keyboard is locked), but sends reset unlocking signal just free adjustment low-voltage alternating-current and direct current output once more up to the teacher.Low-voltage alternating current power supply is 0-30V adjustable (every grade of 2V), and D.C. regulated power supply is 1.25-30V adjustable continuously (resolution is 0.1V).
The function that requires emphasis especially: serve as a teacher given and during locking student power supply, the selected ac voltage of teacher holds supply voltage value identical with the student, the teacher selectes dc voltage value and student desk power values maximum error less than 0.2V.
Four, data acquisition system (DAS) S5: can gather in real time with voltage signal to experiment; And deliver to the computer that is connected through the RS232 oral instructions; Can obtain the signal curve (can show 5 groups of experimental datas simultaneously) of real-time follow-up on the software of computer, and preserve, consult after being provided with; It is equipped with the outer voltage table of surveying direct current 0～500V, supplies experiment required.
Five, teacher's control desk adopts the control panel touch, all power switches of teacher's platform and student's power control switch all adopted the touch touch-switch, and Digital Control, guaranteeing does not have misoperation; Digital display meter is adopted in the terminal indication, and output wiring terminal adopts the sheath safety socket; By low-voltage small-signal control high-voltage large current, guarantee the security of using; Control panel is provided with intelligent network Long-distance Control and Work attendance management system (can swipe the card or the password start, and Record ID number and start number of times), but and also have date, week and clock Presentation Function, an also function such as extended multimedia interface; Earth leakage circuit-breaker, relay indicating light be equipped with.
Compared with prior art, the e-laboratory power supply that the utility model provides, it has the following advantages:
1, the startup of swiping the card of teacher's power supply; General supply adopts the contactless power-on management of swiping the card of radio-frequency card; For intelligent network Long-distance Control and Work attendance management system (can be swiped the card or the password start; And Record ID number and start number of times), also have clock and show and functions such as timing automatic shutdown, extendible multimedia interface; The user who only obtains authorizing could open teacher's platform power supply effectively, and effectively at managing electrical power;
2, student's control power supply of supplying power can divide four groups of given and locking students' power supply, and when serving as a teacher the power supply that does not have given and locking student, the student can freely regulate personal low pressure 0～30V and exchange and 1.25～30V direct supply; After serving as a teacher given and locking student's power supply; No matter student's low pressure alterating and direct current output valve is former what numerical value before this; With the low pressure alterating and direct current numerical value of unconditionally carrying out and meet teacher's setting; Student's keyboard is exported but send the unlocking signal ability free adjustment low pressure alterating and direct current that resets once more up to the teacher with to being locked;
3, the data acquisition system (DAS) of teacher's power supply can be gathered in real time with voltage signal experiment, and delivered to the computer that is connected through the RS232 oral instructions; Can obtain the signal curve of real-time follow-up on the software of computer; Realize visuality, real-time and the accuracy of experimental data, and preserve, consult after being provided with; This data acquisition system (DAS) is to use 12 A/D conversion chip, and precision is higher;
4, teacher's power supply is to the control method of student's power supply, and teacher's power supply student power supply all uses microcomputerized control, and connects through netting twine, and promptly the teacher is a power supply of controlling the student through software signal; The low-voltage dc power supply of Faculty and Students is through the tuning realization of direct current generator.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (8)
1. an e-laboratory power supply is characterized in that, comprises teacher's auxiliary power supply system and student's electric power supply control system, and said teacher's auxiliary power supply system is provided with the personal high-voltage power supply of teacher and the teacher low-voltage safety power supply of using by oneself; Said student's electric power supply control system is provided with student's electric main power supply and student's low-voltage safety power of alterating and direct current; Said teacher's auxiliary power supply system is connected with controller with said student's electric power supply control system.
2. e-laboratory power supply according to claim 1 is characterized in that, the personal low-voltage safety power of alterating and direct current of said teacher is connected with micro computer.
3. e-laboratory power supply according to claim 1 is characterized in that, said student's electric main power supply is divided into four groups.
4. e-laboratory power supply according to claim 1 is characterized in that, said student's low-voltage safety power of alterating and direct current is divided into four groups, is connected with micro computer respectively.
5. e-laboratory power supply according to claim 1 is characterized in that, also comprises total power switch, and said total power switch is controlled the switch of said teacher's auxiliary power supply system and said student's electric power supply control system.
6. e-laboratory power supply according to claim 5 is characterized in that, said total power switch is an earth leakage circuit-breaker.
7. e-laboratory power supply according to claim 5 is characterized in that, said total power switch adopts the contactless power-on management system that swipes the card of radio-frequency card.
8. e-laboratory power supply according to claim 1 is characterized in that, also comprises data acquisition system (DAS), and said data acquisition system (DAS) is connected with computer through the RS232 serial ports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203767144U CN202306204U (en) | 2011-09-29 | 2011-09-29 | Digitalized laboratory power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203767144U CN202306204U (en) | 2011-09-29 | 2011-09-29 | Digitalized laboratory power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202306204U true CN202306204U (en) | 2012-07-04 |
Family
ID=46375064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203767144U Expired - Lifetime CN202306204U (en) | 2011-09-29 | 2011-09-29 | Digitalized laboratory power source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202306204U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094770A (en) * | 2016-08-15 | 2016-11-09 | 淮安信息职业技术学院 | A kind of laboratory power supply centralized management and control system |
| CN106504626A (en) * | 2017-01-12 | 2017-03-15 | 辽宁文彬教学设备有限公司 | Intelligent laboratory system |
-
2011
- 2011-09-29 CN CN2011203767144U patent/CN202306204U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094770A (en) * | 2016-08-15 | 2016-11-09 | 淮安信息职业技术学院 | A kind of laboratory power supply centralized management and control system |
| CN106504626A (en) * | 2017-01-12 | 2017-03-15 | 辽宁文彬教学设备有限公司 | Intelligent laboratory system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104062513B (en) | Secondary nuclear phase instrument and nuclear-phase method | |
| CN203522301U (en) | Electric-automobile vehicle-mounted charge management system | |
| CN104678960B (en) | It is a kind of based on scene it is anti-error and intend ticket training off-line type Dispatching system and method | |
| CN201479019U (en) | Microcomputer controlled uninterrupted multi-output power cabinet | |
| CN105915041A (en) | Charge bleed-off method, bleeder circuit and converter | |
| CN103529817A (en) | Micro-grid coordinating controller containing distributed photovoltaic device | |
| CN103366059A (en) | Model data description method for secondary equipment of substation simulation and training system | |
| CN106467025B (en) | A kind of device for managing and controlling electrical source | |
| WO2016091120A1 (en) | Automatic medium-voltage dual-power-supply switching device | |
| CN202306204U (en) | Digitalized laboratory power source | |
| CN106324426A (en) | Four-star voltage transformer secondary polarity intelligent tester | |
| CN206422581U (en) | Battery multi-way intelligence charger | |
| CN110865252A (en) | Output electrical characteristic simulation device of proton exchange membrane fuel cell and control method thereof | |
| CN108572298A (en) | A kind of more piece arrester test system | |
| CN107807586A (en) | A kind of smart home power consumption control system based on metal-oxide-semiconductor | |
| CN202721612U (en) | Intelligent frequency-conversion variable-voltage test power supply | |
| CN204012921U (en) | A kind of two-way control intelligent monitoring distribution system | |
| CN106779456A (en) | A kind of energy distributes control method and device | |
| CN203981790U (en) | A kind of combined type backup auto-activating device tester | |
| CN106992491B (en) | Large power-consuming equipment power off in standby state of electric energy saver and its power-off energy saving method | |
| CN201774252U (en) | Electrical power system simulation research and development platform based on imaging real-time simulation | |
| CN202975885U (en) | Program control AC (Alternate Current) constant-current power supply | |
| CN206293066U (en) | A kind of transformer microcomputer protection platform for experimental teaching | |
| CN209283115U (en) | Direct current xenon long-arc lamp power-supply controller of electric | |
| CN208520939U (en) | A kind of more piece arrester test macro |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |