CN202948265U - Alternating current and direct current common-used program control load - Google Patents
Alternating current and direct current common-used program control load Download PDFInfo
- Publication number
- CN202948265U CN202948265U CN 201220623955 CN201220623955U CN202948265U CN 202948265 U CN202948265 U CN 202948265U CN 201220623955 CN201220623955 CN 201220623955 CN 201220623955 U CN201220623955 U CN 201220623955U CN 202948265 U CN202948265 U CN 202948265U
- Authority
- CN
- China
- Prior art keywords
- load
- resistance
- program control
- processor
- circuit
- 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
Links
Images
Landscapes
- Control Of Voltage And Current In General (AREA)
Abstract
The utility model discloses an alternating current and direct current common-used program control load which comprises a processor and a load circuit controlled by the processor. The load circuit comprises a plurality of resistors in series, resistance values of the plurality of resistors are sequentially increased, each resistor is connected with a program control switch in parallel, voltmeters and ampere meters are arranged at two ends of the plurality of resistors in series, and the processor is connected with the load circuit to control the program control switch which is connected with each resistor in parallel. The alternating current and direct current common-used program control load is simple in structure, low in price and wide in applicable scope, can serve as load in the direct current application, also can serve as alternating current load, and is strong in generality.
Description
Technical field
The utility model relates to a kind of program control load, relates in particular to the program control load of a kind of AC/DC universal.
Background technology
At present, generally have the load of two types, a kind of is real load, and another kind is electronic load.Real load is power-adjustable resistance mostly, and the adjustment of load needs operation manually.Electronic load generally is divided into two kinds of AC and DCs, and this type of load is generally program-controlled.This two classes load mainly contains following deficiency:
1. the adjustment of real load needs manually-operated, there is no programmable interface, and troublesome poeration is not easy to form Auto-Test System with other testing tools.
2. electronic load generally can only be applicable to a kind of application in direct current or AC applications, is difficult to realize general, and this type of load circuit complex structure, involve great expense in addition, is not suitable for general test event.
The utility model content
In view of this, provide a kind of AC/DC universal program control load, with solve above-mentioned real load operate manually inconvenience and trouble, electronic load can not AC/DC universal and circuit structure complicated, the problem that involves great expense.
The program control load of a kind of AC/DC universal, it comprises: processor and the load circuit that is subject to processing device control, described load circuit comprises the resistance of a plurality of series connection, the resistance of the resistance of described a plurality of series connection increases progressively successively, each resistance programmed switch in parallel, two ends at the resistance of described a plurality of series connection are provided with voltage table and reometer, and processor is connected with described load circuit, and controls the programmed switch of each resistance parallel connection.
Further, the resistance of the resistance of described a plurality of series connection increases progressively with 2 multiple successively, and in two adjacent resistance, larger resistance is 2 times of less resistance.
Further, the program control load of described AC/DC universal also comprises: the human-computer interaction module that is connected with described processor.
Further, described human-computer interaction module be mouse, keyboard, touch-screen, display screen, telepilot or sound and light signal controller one of them.
Further, the program control load of described AC/DC universal also comprises: the communication module that is connected with described processor.
Further, described communication module comprises: the signal receiving circuit and the signal circuit that connect successively, described signal circuit is connected with described processor, the instruction that comprises the load set value that receives to processor signal transmission receiving circuit, described processor is according to described instruction, control the closed and disconnected of programmed switch, the resistance that makes load circuit is the load set value.
Further, described communication module comprises: the signal receiving circuit and the signal circuit that connect successively, described signal circuit is connected with described processor, the instruction that comprises the load set value that receives to processor signal transmission receiving circuit, described processor obtains the actual resistance of load circuit according to the data of described voltage table and reometer measurement, when the actual resistance of load circuit is not identical with the load set value, control the closed and disconnected of programmed switch, the resistance that makes load circuit is the load set value.
Further, the program control load of described AC/DC universal also comprises the memory module that is connected with described processor.
Further, the program control load of described AC/DC universal also is included as processor and load circuit by the power module of power supply.
Further, described programmed switch is magnetic latching relay
The program control load of above-mentioned a kind of AC/DC universal is adopted processor and is subject to processing the load circuit that device is controlled, load circuit is the electric resistance array based on binary weighting, constant-resistance, constant voltage, constant current, four kinds of mode of operations of permanent power can be provided, and obtain required pattern according to the control of processor, its circuit structure is simple, cheap, applied widely, and, both can use as load in DC application, also can be used as AC load and use, highly versatile.In addition, with programmable interface, can coordinate with other testing apparatuss, form Auto-Test System, and with data acquisition function.
Description of drawings
Fig. 1 is the program control load one embodiment schematic diagram of a kind of AC/DC universal of the utility model.
Fig. 2 is the schematic diagram of load circuit 12 shown in Figure 1.
Embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing.
See also Fig. 1, it is the program control load one embodiment schematic diagram of a kind of AC/DC universal of the utility model.
The utility model provides a kind of AC/DC universal program control load, and it comprises: processor 11, load circuit 12, human-computer interaction module 13, communication module 14, memory module 15, and power module 16.Wherein, processor 11 is connected with load circuit 12, human-computer interaction module 13, communication module 14, memory module 15 respectively.The power module 16 program control load supplyings of AC/DC universal, certainly, power module 16 also provides power supply for processor 11 and load circuit 12.
See also Fig. 2, it is load circuit 12 schematic diagram shown in Figure 1.
Described load circuit 12 comprises the resistance (R of N series connection
1, R
2R
N-1, R
N), the resistance (R of described N series connection
1, R
2R
N-1, R
N) resistance increase progressively successively, each resistance (R
1, R
2R
N-1, R
N) programmed switches in parallel all, such as resistance R
1A programmed switch T in parallel
1, resistance R
2A programmed switch T in parallel
2, resistance R
N-1A programmed switch T in parallel
N-1, resistance R
NA programmed switch T in parallel
NIn the present embodiment, programmed switch (T
1, T
2T
N-1, T
N) can be magnetic latching relay, use magnetic latching relay that the power consumption of whole circuit is remained on a lower level.Resistance (R in described a plurality of series connection
1, R
2R
N-1, R
N) two ends be provided with voltage table and reometer, voltage table is used for measuring voltage, reometer is used for measuring electric current.Processor 11 is connected with described load circuit 12, and controls the programmed switch (T of each resistance parallel connection
1, T
2T
N-1, T
N).Resistance (the R of described a plurality of series connection
1, R
2R
N-1, R
N) resistance increase progressively with 2 multiple successively, two adjacent resistance R
N-1And R
NIn larger resistance be 2 times of less resistance, such as R
NResistance be R
N-12 times of resistance.Resistance (R
1, R
2R
N-1, R
N) resistance take a reference resistor value as starting point, beginning increases progressively with 2 multiple, also can be called the electric resistance array based on binary weighting.Described load circuit 12 can provide constant-resistance, constant voltage, constant current, four kinds of mode of operations of permanent power, can obtain according to the control of processor 11 required pattern.
Described human-computer interaction module 13 be mouse, keyboard, touch-screen, display screen, telepilot or sound and light signal controller one of them.
Described communication module 14 comprises signal receiving circuit and the signal circuit that connects successively.Described signal circuit is connected with described processor 11, the instruction that comprises the load set value that receives to processor 11 signal transmission receiving circuits, described processor 11 is controlled the closed and disconnected of programmed switch according to described instruction, and the resistance that makes load circuit 12 is the load set value.In addition, described processor 11 can also obtain according to the data of described voltage table and reometer measurement the actual resistance of load circuit 12, when the actual resistance of load circuit 12 is not identical with the load set value, control the closed and disconnected of programmed switch, the resistance that makes load circuit 12 is the load set value.
Certainly, except communication module 14 can be to processor 11 transfer instructions, human-computer interaction module 13 also can be to processor 11 transfer instructions.
The program control load of a kind of AC/DC universal of the utility model embodiment is adopted processor and is subject to processing the load circuit that device is controlled, load circuit is the electric resistance array based on binary weighting, constant-resistance, constant voltage, constant current, four kinds of mode of operations of permanent power can be provided, and obtain required pattern according to the control of processor, its circuit structure is simple, cheap, applied widely, and, both can use as load in DC application, also can be used as AC load and use, highly versatile.In addition, with programmable interface, can coordinate with other testing apparatuss, form Auto-Test System, and with data acquisition function.
Here description of the present utility model and application is illustrative, is not to want with scope restriction of the present utility model in the above-described embodiments.Here the distortion of disclosed embodiment and change is possible, and the various parts of the replacement of embodiment and equivalence are known for those those of ordinary skill in the art.Those skilled in the art are noted that in the situation that do not break away from spirit of the present utility model or essential characteristic, and the utility model can be with other form, structure, layout, ratio, and realizes with other assembly, material and parts.In the situation that do not break away from the utility model scope and spirit, can carry out other distortion and change to disclosed embodiment here.
Claims (10)
1. program control load of AC/DC universal, it is characterized in that, comprise: processor and the load circuit that is subject to processing device control, described load circuit comprises the resistance of a plurality of series connection, the resistance of the resistance of described a plurality of series connection increases progressively successively, and each resistance programmed switch in parallel is provided with voltage table and reometer at the two ends of the resistance of described a plurality of series connection, processor is connected with described load circuit, and controls the programmed switch of each resistance parallel connection.
2. the program control load of a kind of AC/DC universal according to claim 1 is characterized in that, the resistance of the resistance of described a plurality of series connection increases progressively with 2 multiple successively, and in two adjacent resistance, larger resistance is 2 times of less resistance.
3. the program control load of a kind of AC/DC universal according to claim 1 is characterized in that, also comprises: the human-computer interaction module that is connected with described processor.
4. the program control load of a kind of AC/DC universal according to claim 3 is characterized in that, described human-computer interaction module be mouse, keyboard, touch-screen, display screen, telepilot or sound and light signal controller one of them.
5. the program control load of a kind of AC/DC universal according to claim 1 is characterized in that, also comprises: the communication module that is connected with described processor.
6. the program control load of a kind of AC/DC universal according to claim 5, it is characterized in that, described communication module comprises: the signal receiving circuit and the signal circuit that connect successively, described signal circuit is connected with described processor, the instruction that comprises the load set value that receives to processor signal transmission receiving circuit, described processor is controlled the closed and disconnected of programmed switch according to described instruction, and the resistance that makes load circuit is the load set value.
7. the program control load of a kind of AC/DC universal according to claim 5, it is characterized in that, described communication module comprises: the signal receiving circuit and the signal circuit that connect successively, described signal circuit is connected with described processor, the instruction that comprises the load set value that receives to processor signal transmission receiving circuit, described processor obtains the actual resistance of load circuit according to the data of described voltage table and reometer measurement, when the actual resistance of load circuit is not identical with the load set value, control the closed and disconnected of programmed switch, the resistance that makes load circuit is the load set value.
8. the program control load of a kind of AC/DC universal according to claim 1 is characterized in that, also comprises the memory module that is connected with described processor.
9. the program control load of a kind of AC/DC universal according to claim 1 is characterized in that, also is included as processor and load circuit by the power module of power supply.
10. the program control load of the described a kind of AC/DC universal of according to claim 1 to 9 any one is characterized in that described programmed switch is magnetic latching relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220623955 CN202948265U (en) | 2012-11-22 | 2012-11-22 | Alternating current and direct current common-used program control load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220623955 CN202948265U (en) | 2012-11-22 | 2012-11-22 | Alternating current and direct current common-used program control load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202948265U true CN202948265U (en) | 2013-05-22 |
Family
ID=48423960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220623955 Expired - Fee Related CN202948265U (en) | 2012-11-22 | 2012-11-22 | Alternating current and direct current common-used program control load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202948265U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113581334A (en) * | 2021-09-07 | 2021-11-02 | 重庆隆鑫新能源科技有限公司 | Control circuit combination and motorcycle |
-
2012
- 2012-11-22 CN CN 201220623955 patent/CN202948265U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113581334A (en) * | 2021-09-07 | 2021-11-02 | 重庆隆鑫新能源科技有限公司 | Control circuit combination and motorcycle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203178453U (en) | Automatic test system for switch power supply module | |
| CN201765692U (en) | General meter-reading controller for carrier wave electric energy meter | |
| CN103837782A (en) | Detection device of data line | |
| CN102376280B (en) | Power source regulating circuit and there is the mainboard of this circuit | |
| CN115267592A (en) | Test system | |
| CN205484607U (en) | Electron product aging automatic testing platform | |
| CN202948265U (en) | Alternating current and direct current common-used program control load | |
| Nakazawa et al. | Smart power strip network and visualization server to motivate energy conservation in office | |
| CN105826955A (en) | Mobile power supply device applicable to measuring impedance of charging line | |
| CN204013250U (en) | Voltage conversion device | |
| CN105676948A (en) | Power conditioning circuit and all-in-one machine provided with power conditioning circuit | |
| CN205809628U (en) | USB power configuration setting device based on PD3.0 agreement | |
| CN203502524U (en) | Detection device and system of three-terminal regulator | |
| CN104698361B (en) | Testing device of intelligent power module | |
| CN203950137U (en) | Many gears resistance output unit, detection system | |
| JP2023539422A (en) | Systems and methods for generating and measuring electrical signals | |
| CN207037008U (en) | Insulating check instrument and insulating check system | |
| CN203324326U (en) | Usb load testing device | |
| CN204203435U (en) | A kind of mobile terminal with electrical measurement function | |
| CN201217193Y (en) | Numerical display type power supply for electric screwdriver | |
| CN104200635A (en) | Wireless switch with function of electrical quantity metering and acquisition method | |
| CN204089160U (en) | There is the circuit of miniature electric leakage circuit breaker of pre paid functionality | |
| CN216209536U (en) | Test system, intelligent module and smart machine | |
| CN203217297U (en) | Full electronic type program controlled resistor | |
| CN216485436U (en) | Testing device and system |
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: 20130522 Termination date: 20151122 |