CN202614916U - Electronic load machine - Google Patents
Electronic load machine Download PDFInfo
- Publication number
- CN202614916U CN202614916U CN 201220320105 CN201220320105U CN202614916U CN 202614916 U CN202614916 U CN 202614916U CN 201220320105 CN201220320105 CN 201220320105 CN 201220320105 U CN201220320105 U CN 201220320105U CN 202614916 U CN202614916 U CN 202614916U
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- control
- signal
- electronic load
- load machine
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Abstract
The utility model discloses an electronic load machine, wherein a control interface used for responding external control signals is arranged on the electronic load machine. As the control interface used for responding the external control signals is arranged on the electronic load machine, the operation of the electronic load machine can be controlled through the external control signals, so that the development of the control function can be achieved on one hand, the remote control can be achieved on the other hand, thereby facilitating the operation.
Description
Technical field
The utility model relates to power supply and makes the field, in particular, relates to a kind of electronic load machine.
Background technology
The electronic load machine is to the multifunction electronic load instrument of various S.P.S. (change type power supply unit) design, offers production division specially, and inspection department or developing department use.The load (electrical appliance) of electronic load machine in can simulation true environment detects the quality of power supply.Its function is quite a lot of, comprise can regulating load size, and short circuit, overcurrent, dynamic or the like.The principle of electronic load is control internal power or transistorized conducting amount (amount dutycycle size); Lean on the equipment of the dissipated power consumed power of power tube; It can accurately detect load voltage, accurately adjusts load current, can realize the fictitious load short circuit simultaneously; Fictitious load is the resistive and capacitive of perception, the capacitive load currents rise time.
When existing electronic load machine is worked, can only carry out control operation through its input button that carries, can't realize special control function, ductility is relatively poor.
The utility model content
The utility model technical matters to be solved provides a kind of electronic load machine of customized adopted control function.
The purpose of the utility model realizes through following technical scheme:
A kind of electronic load machine, said electronic load machine is provided with the control interface that is used for the response external control signal.
Preferably, said electronic load machine comprises housing, and said housing is provided with control terminal; Said control interface comprises control photoelectricity coupling module, and the light signal input end of said control photoelectricity coupling module is connected on the said control terminal; The electrical signal of said control photoelectricity coupling module is coupled to the inner control circuit of said electronic load machine.
Preferably, said electronic load machine also comprises external control circuit, and said external control circuit comprises the control triode, is in series with first resistance and button between the gate pole of said control triode and the earth terminal; Said control triode connects with earth terminal; Its source-coupled is to one of them input pin of said control interface; The another one input pin of said control interface is coupled to a control reference voltage through second resistance, and said reference voltage also is coupled between said first resistance and the button through the 3rd resistance.
Preferably, said button two ends parallel connection is provided with filter capacitor.
Preferably, said electronic load machine also comprises the signaling interface that is used to export control signal.
Preferably, said electronic load machine comprises housing, and said housing is provided with signal terminal; Said signaling interface comprises flashlight electric coupling module, and the electrical signal of said flashlight electric coupling module is connected on the said signal terminal; The light signal input end of said flashlight electric coupling module is coupled to the inner control circuit of said electronic load machine.
Preferably; Said electronic load machine also comprises the outer signal circuit; Said outer signal circuit comprises relay and signal triode; The gate pole of said signal triode is coupled to one of them input pin of said signaling interface, and the another one input pin of said signaling interface is coupled to the drain electrode and the earth terminal of signal triode respectively; The source electrode of the drain electrode of signal triode is coupled to a signal criterion voltage through the coil of said relay, also is connected with the 4th resistance between the gate pole of said signal criterion voltage and signal triode.
The utility model is because the electronic load machine is provided with the control interface that is used for the response external control signal; Can control the work of electronic load machine through external control signal; Realize the expansion of control function on the one hand, can carry out Long-distance Control, handled easily on the other hand.
Description of drawings
Fig. 1 is the principle schematic of embodiment of the present invention;
Fig. 2 is the concrete control interface synoptic diagram of embodiment of the present invention;
Fig. 3 is the electronic load machine principle schematic of embodiment of the present invention band signal interface;
Fig. 4 is the concrete signaling interface synoptic diagram of embodiment of the present invention;
100, control terminal; 200, shell; 300, external control circuit; 400, signal terminal; 500, outer signal circuit.
Embodiment
Shown in Fig. 1～4, a kind of electronic load machine comprises shell 200, and shell is provided with control terminal 100 outward, and electronic load machine inside is provided with the control interface that is used for the response external control signal.
The utility model is because the electronic load machine is provided with the control interface that is used for the response external control signal; Can control the work of electronic load machine through external control signal; Realize the expansion of control function on the one hand, can carry out Long-distance Control, handled easily on the other hand.Below in conjunction with accompanying drawing and preferred embodiment the utility model is described further.
As shown in Figure 2, control interface comprises control photoelectricity coupling module U1, and the light signal input end of control photoelectricity coupling module is connected on the control terminal; Its electrical signal is coupled to the inner control circuit of electronic load machine.
This embodiment also discloses a kind of external control circuit of electronic load machine, and this external control circuit comprises control triode Q1, is in series with first resistance R 1 and button S1 between the gate pole of said control triode and the earth terminal; Said control triode connects with earth terminal; Its source electrode is coupled to one of them input pin of said control interface through control terminal; The another one input pin of control interface through second resistance R 2 and control terminal be coupled to a control reference voltage (as Fig. 1, shown in 2+5V voltage); Reference voltage also is coupled between first resistance R 1 and the button S1 through the 3rd resistance R 3, and the parallel connection of button two ends is provided with filter capacitor C1.
Like Fig. 3, shown in 4, the electronic load machine also comprises signaling interface and the signal terminal 400 that is used to export control signal, and signaling interface comprises flashlight electric coupling module U2, and the electrical signal of flashlight electric coupling module is connected on the signal terminal 400; Its light signal input end is coupled to the inner control circuit of said electronic load machine.
Referring to Fig. 4; The electronic load machine also comprises outer signal circuit 500; Outer signal circuit 500 comprises relay K A and signal triode Q2; The gate pole of signal triode is coupled to one of them input pin of signaling interface through signal terminal 400, and the another one input pin of signaling interface is coupled to drain electrode and the earth terminal of signal triode Q2 respectively through signal terminal 400; The coil of the source electrode of the drain electrode of signal triode through relay K A be coupled to a signal criterion voltage (referring to Fig. 3,4+12V voltage), also be connected with the 4th resistance between the gate pole of said signal criterion voltage and signal triode.
The output terminal of relay K A is connected with guard lamp, when relay breaks off, in the electric power loop protection is arranged, and prevents the excessive or short circuit of power supply input current, if guard lamp brightness is normal, power supply output is normal, the adhesive of the exportable control signal pilot relay of signaling interface; Break off guard lamp, normal power supply is tested then.
Signaling interface can have multichannel output, Out1～Out4 as shown in Figure 4, and shared one of Out1～Out4 concentrates end Com, the corresponding outer signal circuit 500 of each road output.
Control terminal in this embodiment and signal terminal can be accomplished on the same terminal row, also can divide two terminal rows to realize that all terminals all are arranged on shell 200.
Above content is the further explain that combines concrete preferred implementation that the utility model is done, and can not assert that the practical implementation of the utility model is confined to these explanations.For the those of ordinary skill of technical field under the utility model, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be regarded as belonging to the protection domain of the utility model.
Claims (7)
1. an electronic load machine is characterized in that, said electronic load machine is provided with the control interface that is used for the response external control signal.
2. a kind of electronic load machine as claimed in claim 1 is characterized in that said electronic load machine comprises housing, and said housing is provided with control terminal; Said control interface comprises control photoelectricity coupling module, and the light signal input end of said control photoelectricity coupling module is connected on the said control terminal; The electrical signal of said control photoelectricity coupling module is coupled to the inner control circuit of said electronic load machine.
3. a kind of electronic load machine as claimed in claim 2; It is characterized in that; Said electronic load machine also comprises external control circuit, and said external control circuit comprises the control triode, is in series with first resistance and button between the gate pole of said control triode and the earth terminal; Said control triode connects with earth terminal; Its source-coupled is to one of them input pin of said control interface; The another one input pin of said control interface is coupled to a control reference voltage through second resistance, and said reference voltage also is coupled between said first resistance and the button through the 3rd resistance.
4. a kind of electronic load machine as claimed in claim 3 is characterized in that the two ends parallel connection of said button is provided with filter capacitor.
5. a kind of electronic load machine as claimed in claim 1 is characterized in that said electronic load machine also comprises the signaling interface that is used to export control signal.
6. a kind of electronic load machine as claimed in claim 5 is characterized in that said electronic load machine comprises housing, and said housing is provided with signal terminal; Said signaling interface comprises flashlight electric coupling module, and the electrical signal of said flashlight electric coupling module is connected on the said signal terminal; The light signal input end of said flashlight electric coupling module is coupled to the inner control circuit of said electronic load machine.
7. a kind of electronic load machine as claimed in claim 6; It is characterized in that; Said electronic load machine also comprises the outer signal circuit; Said outer signal circuit comprises relay and signal triode, and the gate pole of said signal triode is coupled to one of them input pin of said signaling interface, and the another one input pin of said signaling interface is coupled to the drain electrode and the earth terminal of signal triode respectively; The source electrode of the drain electrode of signal triode is coupled to a signal criterion voltage through the coil of said relay, also is connected with the 4th resistance between the gate pole of said signal criterion voltage and signal triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220320105 CN202614916U (en) | 2012-07-04 | 2012-07-04 | Electronic load machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220320105 CN202614916U (en) | 2012-07-04 | 2012-07-04 | Electronic load machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202614916U true CN202614916U (en) | 2012-12-19 |
Family
ID=47348605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220320105 Expired - Fee Related CN202614916U (en) | 2012-07-04 | 2012-07-04 | Electronic load machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202614916U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749592A (en) * | 2012-07-04 | 2012-10-24 | 尚艳燕 | Electron loading machine |
-
2012
- 2012-07-04 CN CN 201220320105 patent/CN202614916U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749592A (en) * | 2012-07-04 | 2012-10-24 | 尚艳燕 | Electron loading machine |
| WO2014005355A1 (en) * | 2012-07-04 | 2014-01-09 | Shang Yanyan | Electronic load machine |
| CN102749592B (en) * | 2012-07-04 | 2015-07-15 | 尚艳燕 | Electron loading machine |
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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: 20121219 Termination date: 20140704 |
|
| EXPY | Termination of patent right or utility model |