CN101790061A - Power supply control unit and engineering unit testing system - Google Patents
Power supply control unit and engineering unit testing system Download PDFInfo
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- CN101790061A CN101790061A CN 201010121245 CN201010121245A CN101790061A CN 101790061 A CN101790061 A CN 101790061A CN 201010121245 CN201010121245 CN 201010121245 CN 201010121245 A CN201010121245 A CN 201010121245A CN 101790061 A CN101790061 A CN 101790061A
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Abstract
The embodiment discloses a power supply control unit and an engineering unit testing system, which relate to the technical field of televisions. The invention solves the technical problems of poor safety, complicated operation and low testing efficiency in the prior art. The power supply control unit comprises a main control module, a power supply gating module connected with at least two electrical energy input ends, and a circuit gating module respectively connected with the power supply gating module and at least one electrical energy input end, wherein the main control module is used for sending control commands to the power supply gating module and the circuit gating module respectively according to user commands; the power supply gating module is used for receiving electrical energy input from one of the electrical energy input ends and outputting the input electrical energy to the circuit gating module according to the control commands; and the circuit gating module is used for receiving electrical energy output by the power supply gating module and controlling whether the electrical energy is output from the electrical energy output end or from one or multiple electrical energy output ends according to the control commands. The invention is used for testing electrical consuming units.
Description
Technical field
The present invention relates to technical field of television sets, the engineering unit testing system that is specifically related to a kind of power control and is provided with this power control.
Background technology
Along with the continuous development of electronic technology and television technologies, television set has become household electrical appliance the most common in people's daily life.
Many power devices in the television set need be imported the electric energy of multiple different voltages and test its operating characteristic under the power supply of different voltages, and this power device is commonly called tested design library part editor and reuse (or claiming: tested power device, tested frock).
When in the prior art tested power device being imported the electric energy of different voltages, the closure of electric energy input circuit, disconnection all need the tester to realize by the manual operation circuit switch, after a kind of power test of voltage is finished, need to adopt manual mode to change the different power supply of another kind of voltage.
The inventor finds that there is following problem at least in prior art in realizing process of the present invention:
Need to realize closure, the disconnection of electric energy input circuit in the prior art by the manual operation circuit switch, poor stability, and after a kind of power test of voltage is finished, need to adopt manual mode to change the different power supply of another kind of voltage, the mode of manual replacing power supply is troublesome poeration not only, and automaticity is low, finally causes testing efficiency low.
Summary of the invention
The engineering unit testing system that the embodiment of the invention provides a kind of power control and has been provided with this power control has solved prior art and has had the low technical problem of poor stability, troublesome poeration and testing efficiency.
For achieving the above object, embodiments of the invention adopt following technical scheme:
This power control comprises main control module, the power supply gating module that links to each other with two-way electric energy input at least and the circuit gating module that links to each other with described power supply gating module, at least one road electric energy output end respectively, wherein:
Described main control module is used for according to user instruction, respectively to described power supply gating module, described power supply gating module sending controling instruction;
Described power supply gating module is used for according to described control command, receive the electric energy of importing from a road described electric energy input wherein, and the described electric energy that will import exports described circuit gating module to;
Described circuit gating module is used for according to described control command, receives the electric energy of described power supply gating module output, and controls described electric energy whether from described electric energy output end output or control described electric energy from wherein one the road or the described electric energy output end output in a few road.
Further, described power supply gating module comprises at least two contactors, wherein:
Each described contactor is connected between one tunnel described electric energy input and the described circuit gating module;
Each described contactor links to each other with a control unit;
Described control unit is used to receive described control command, and controls the closed or disconnection of described contactor according to described control command.
Further, each described contactor includes one group of contact open in usual, at least one group of normally closed type auxiliary contact, wherein:
One group of described contact open in usual of each described contactor is connected between one tunnel described electric energy input and the described circuit gating module;
Every group of described normally closed type auxiliary contact of each described contactor is connected between described electric energy input in remaining each road and the described circuit gating module respectively.
Further, described control unit is a relay.
Further, described circuit gating module is at least one relay, wherein:
When described circuit gating module was a relay, described circuit gating module linked to each other with one tunnel described electric energy output end;
When described circuit gating module during at least two relays, each the described relay in the described circuit gating module links to each other with one tunnel described electric energy output end.
Further, described main control module comprises industrial computer and the instruction converting unit that links to each other with industrial computer, wherein:
Described industrial computer is used to receive the user instruction of user's input, and described user instruction is converted into the described instruction converting unit of input after the control command;
Described instruction converting unit is sent to described power supply gating module and described circuit gating module after being used for described control command is converted to high level, low level form.
Further, described main control module links to each other with described instruction converting unit by the RS232 interface.
Further, described instruction converting unit is a single-chip microcomputer.
This project device test system, comprise two-way electric energy input, at least one road electric energy output end, the power control that the invention described above embodiment provided and the tested power device that links to each other with described electric energy output end at least, each described tested power device links to each other with a described electric energy output end.
Further, this project device test system also comprises plug and socket, and described electric energy output end links to each other with described tested power device by described plug, socket, wherein:
Described electric energy output end is electrically connected with described plug or described socket, and described tested power device is electrically connected with described socket or plug, and when described plug was plugged on the socket, described plug formed with described socket and is electrically connected.
Compared with prior art, the arbitrary technical scheme in the technique scheme provided by the present invention has following advantage:
Owing to comprise two-way electric energy input and at least one road electric energy output end at least in the power control that the embodiment of the invention provided, can import the electric energy of at least two kinds of different voltages by two-way electric energy input at least, electric energy can be exported at least one tested power device by at least one road electric energy output end, and then realize at least one tested power device is tested;
Simultaneously, because main control module can be according to user instruction, respectively to power supply gating module, power supply gating module sending controling instruction, and power supply gating module can be according to control command, the electric energy that reception is imported from road electric energy input wherein, and with the input electric energy export circuit gating module to, circuit gating module can be according to control command, receive the electric energy of power supply gating module output, and the control electric energy whether from electric energy output end output or control electric energy from wherein one the road or the output of several roads electric energy output end, as seen, when the supply voltage of every road electric energy input input not simultaneously, can select to import wherein a kind of electric energy of voltage by power supply gating module, a kind of electric energy of voltage is finished after the test, can also select to import the electric energy of another voltage wherein, when having a tested power device, can whether import this tested power device by the selected electric energy of circuit gating module controls power supply gating module, when having a plurality of tested power device, can input to or several tested power devices by the selected electric energy of circuit gating module controls power supply gating module;
Therefore, the tester only needs main control module input user instruction, just can control of the test of the electric energy of multiple different voltages to a plurality of tested power devices, compared with prior art, among the present invention during the tested power device of test, not only need not the manual operation circuit switch and realize the closure of electric energy input circuit, disconnect, so fail safe is better, and after a kind of power test of voltage finishes, need not to adopt manual mode to change the different power supply of another kind of voltage, so compared with prior art the present invention is not only simple to operate, and automaticity height, and then improved the testing efficiency of tested power device, solve prior art and had poor stability, the technical problem that troublesome poeration and testing efficiency are low.
Description of drawings
Fig. 1 is the annexation schematic diagram between the inner each several part of the engineering unit testing system that embodiments of the invention provided;
Fig. 2 is the annexation schematic diagram of inner each parts of power control that embodiments of the invention provided;
Fig. 3 is the concrete enforcement circuit diagram of main functional modules in the power control that embodiments of the invention provided;
Fig. 4 is the concrete enforcement circuit diagram of power supply gating module in the power control that embodiments of the invention provided;
Fig. 5 is the annexation schematic diagram of connecting interface and a plurality of relays in the power control that embodiments of the invention provided;
Fig. 6 is the annexation schematic diagram between single-chip microcomputer and industrial computer, the connecting interface in the power control that embodiments of the invention provided.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the invention is described in detail.
The embodiment of the invention provides that a kind of fail safe is good, simple to operate, automaticity and testing efficiency be all than higher power control.
As shown in Figure 1, the power control that the embodiment of the invention provided, comprise main control module 1, the power supply gating module 3 that links to each other with two-way electric energy input 2 at least and the circuit gating module 5 that links to each other with power supply gating module 3, at least one road electric energy output end 4 respectively, wherein:
Power supply gating module 3 is used for according to control command, receives the electric energy of importing from road electric energy input 2 wherein, and exports the electric energy of input to circuit gating module 5;
Owing to comprise two-way electric energy input 2 and at least one road electric energy output end 4 at least in the power control that the embodiment of the invention provided, can import the electric energy of at least two kinds of different voltages by two-way electric energy input 2 at least, electric energy can be exported at least one tested power device 11 by at least one road electric energy output end 4, and then realize at least one tested power device 11 is tested;
Simultaneously, because main control module 1 can be according to user instruction, respectively to power supply gating module 3, power supply gating module 3 sending controling instructions, and power supply gating module 3 can be according to control command, the electric energy that reception is imported from road electric energy input 2 wherein, and with the input electric energy export circuit gating module 5 to, circuit gating module 5 can be according to control command, receive the electric energy of power supply gating module 3 outputs, and whether the electric energy that control receives is from electric energy output end 4 outputs, as seen, when the voltage of the electric energy of every road electric energy input 2 input not simultaneously, can select to import wherein a kind of electric energy of voltage by power supply gating module 3, a kind of electric energy of voltage is finished after the test, can also select to import the electric energy of another voltage wherein, when having a tested power device 11, can whether import this tested power device 11 by circuit gating module 5 control power supply gating modules 3 selected electric energy, when having a plurality of tested power device 11, can input to or several tested power devices 11 by circuit gating module 5 control power supply gating modules 3 selected electric energy;
Therefore, the tester only needs main control module 1 input user instruction, just can control of the test of the electric energy of multiple different voltages to a plurality of tested power devices 11, compared with prior art, among the present invention during the tested power device 11 of test, not only need not the manual operation circuit switch and realize the closure of electric energy input circuit, disconnect, so fail safe is better, and after a kind of power test of voltage finishes, need not to adopt manual mode to change the different power supply of another kind of voltage, so compared with prior art the present invention is not only simple to operate, and automaticity height, and then improved the testing efficiency of tested power device 11, solve prior art and had poor stability, the technical problem that troublesome poeration and testing efficiency are low.
As shown in Figure 2, power supply gating module 3 comprises at least two contactors 31, wherein:
Each contactor 31 is connected between one road electric energy input 2 and the circuit gating module 5;
Each contactor 31 links to each other with a control unit 7;
Control unit 7 is used to receive control command, and according to the 31 closed or disconnections of control command control contactor.
The electric current that contactor 31 can utilize coil to flow through produces magnetic field, make the contact closure on it, to reach the whether purpose of conducting of control load and circuit, during the closing of contact on it, electric energy input 2 and circuit gating module 5 can form and be electrically connected, because contactor 31 can bear bigger electric current and load, and tested power device 11 needs the test voltages of input to be the bigger voltage of magnitude of voltage usually usually, so be suitable for adopting between contactor 31 control electric energy inputs 2 and the circuit gating module 5 whether conducting in the present embodiment.
See also Fig. 2 and Fig. 3, power control comprises three road electric energy inputs 2 in the present embodiment, three road electric energy inputs 2 are that the power supply of Vcc input is alternating current, its voltage successively can for: 240V, 180V, 220V, power supply gating module 3 comprises three contactors 31 promptly: contactor KM1, contactor KM2 and contactor KM3.Like this, this power control can receive the electric energy of three kinds of different voltages.When contactor KM1, contactor KM2 and one of them conducting of contactor KM3, power supply gating module 3 can be selected No. one input circuit gating module 5 in the electric energy of three kinds of different voltages.
See also Fig. 4, as the further improvement of the embodiment of the invention, each contactor 31 includes one group of contact A1 open in usual, A2, at least one group of normally closed type auxiliary contact in the present embodiment, wherein:
One group of contact A1 open in usual, A2 of each contactor 31 is connected between one road electric energy input 2 and the circuit gating module 5;
Every group of normally closed type auxiliary contact of each contactor 31 is connected between remaining each road electric energy input 2 and the circuit gating module 5 respectively.
As shown in Figure 4, each contactor 31 includes two groups of normally closed type auxiliary contacts promptly in the present embodiment: normally closed type auxiliary contact 61,62 and normally closed type auxiliary contact 71,72, contact A1 open in usual, A2 keep disconnecting under initial condition, and normally closed type auxiliary contact 61,62 and normally closed type auxiliary contact 71,72 remain closed under initial condition.
Power supply gating module 3 comprises that three contactors 31 promptly as shown in Figure 4 in the present embodiment: contactor KM1, contactor KM2, contactor KM3, the normally closed type auxiliary contact of contactor KM1 is KM1_61_62 and KM1_71_72, the normally closed type auxiliary contact of contactor KM2 is KM2_61_62 and KM2_71_72, and the normally closed type auxiliary contact of contactor KM3 is KM3_61_62 and KM3_71_72.
Like this, contact A1 open in usual when each contactor, when A2 becomes closure by disconnection, wherein one road electric energy input 2 can form with circuit gating module 5 and be electrically connected, and because the normally closed type auxiliary contact 61 of each contactor, 62 with normally closed type auxiliary contact 71,72 are connected between remaining each road electric energy input 2 and the circuit gating module 5, at this moment, the normally closed type auxiliary contact becomes disconnection by closure, so just can disconnect between remaining each road electric energy input 2 and the circuit gating module 5, for example: the contact A1 open in usual of contactor KM1, when A2 became closure by disconnection, the normally closed type auxiliary contact KM1_61_62 of contactor KM1 and normally closed type auxiliary contact KM1_71_72 can become disconnection by closure.Like this, when as long as road electric energy input 2 wherein is electrically connected with the 5 meeting formation of circuit gating module, just can disconnect between remaining each road electric energy input 2 and the circuit gating module 5, No. one input circuit gating module 5 only be arranged so can guarantee the power supply of multichannel electric energy input 2 inputs reliably.
As Fig. 2 and shown in Figure 4, control unit 7 is a relay in the present embodiment.Contactor KM1, contactor KM2, contactor KM3, the control unit 7 that contactor KM1 connects respectively is followed successively by: relay K M1, relay K M2 and relay K M3.Relay is suitable to be applied to electric current and the less occasion of load, and during control contactor, need not too high electric current or the load of relay input, so can use relay to come control contactor.Certainly, the present embodiment repeat circuit also can use other switch electronic device or switching circuit to substitute.
When circuit gating module 5 was a relay, circuit gating module 5 linked to each other with one tunnel electric energy output end 4;
When circuit gating module 5 during at least two relays, each relay in the circuit gating module 5 links to each other with one tunnel electric energy output end 4.
As shown in Figures 2 and 3, in the present embodiment circuit gating module 5 be four relays promptly: relay K A4, relay K A5, relay K A6 and relay K A7.The number of relay is identical with the number of electric energy output end 4.
When circuit gating module 5 was also used relay, the control command that main control module 1 can send a kind of form is both control circuit gating modules 5 just, can control power supply gating module 3 again, more convenient control.Certainly, main control module 1 also can comprise two control modules independently mutually, and a control module is used for control circuit gating module 5, and another is used to control power supply gating module 3.
The present embodiment repeat circuit is preferably and uses the MY4NJ-DC24V relay, and this relay not only can receive and carry out the control command of high level, low level form, and then finishes disconnection or closed procedure, and stable performance.
As further improvement of this embodiment, also be connected with hand switch as shown in Figure 3 in the present embodiment between each relay and one tunnel electric energy output end 4, hand switch comprises hand switch K1, hand switch K2, hand switch K3 and hand switch K4.Hand switch is a backup circuit breaker, and the tester can manually press or pull hand switch under emergency, manually the electric current between open circuit gating module 5 and the electric energy output end 4.As seen, being provided with of hand switch strengthened the fail safe that this power control is operated.
As shown in Figure 2, main control module 1 comprises industrial computer 8 and the instruction converting unit 9 that links to each other with industrial computer 8, wherein:
(Industrial Personal Computer is a kind of enhancement mode personal computer of reinforcing IPC) to industrial computer 8, and it has stronger data-handling capacity, and it can be used as industrial control unit (ICU) reliability service in industrial environment.Behind user instruction input relay KA1, relay K A2, relay K A3, relay K A4, relay K A5, relay K A6 and the relay K A7 of instruction converting unit 9 with high level, low level form, can control above relay is closure or disconnection, and then controls power supply gating module 3 and circuit gating module 5 respectively.
As shown in Figure 2, instruction converting unit 9 is single-chip microcomputer 10 as shown in Figure 6, is preferably 51 series monolithics.Single-chip microcomputer 10 ease of connections, powerful, especially 51 series monolithics be that a kind of data-handling capacity is more intense, the single-chip microcomputer of technology maturation and stable performance, suitable to instruction converting unit 9.Certainly, the chip that instruction converting unit 9 also can adopt other single-chip microcomputers outside the series monolithic or have similar functions in the present embodiment.
As shown in Figure 5 and Figure 6, single-chip microcomputer 10 links to each other with relay K A1, relay K A2, relay K A3, relay K A4, relay K A5, relay K A6 and relay K A7 respectively by connecting interface Connetcor36 in the present embodiment, and above relay is sent the control command of high level, low level form by connecting interface Connetcor36.Connecting interface Connetcor36 comprises that two terminations are termination J1 and termination P1, links to each other by lead between termination J1 and the termination P1.Connecting interface Connetcor36 is a standard interface, not only be convenient to be electrically connected operation, and can guarantee the high level of single-chip microcomputer 10 outputs, reliable, stable above each relay of input of user instruction of low level form with single-chip microcomputer 10 and each relay K A2.
As shown in Figure 2, the engineering unit testing system that the embodiment of the invention provided, comprise two-way electric energy input 2, at least one road electric energy output end 4, the power control that the invention described above embodiment provided and the tested power device 11 that links to each other with electric energy output end 4 at least, each tested power device 11 links to each other with an electric energy output end 4.
Because the identical technical characterictic of power control that is provided with the invention described above embodiment is provided the embodiment of the invention, so both not only have unicity, and can produce identical technique effect, solves identical technical problem.
As further improvement of this embodiment, engineering unit testing system also comprises plug 12 and socket as shown in Figure 3 in the present embodiment, electric energy output end 4 links to each other with tested power device 11 by plug 12, socket, wherein: electric energy output end 4 is electrically connected with plug 12 or socket, tested power device 11 is electrically connected with socket or plug 12, when plug 12 was plugged on the socket, plug 12 formed with socket and is electrically connected.The connected mode of plug 12 and socket not only plug is more convenient, and after testing a collection of tested power device 11, also is convenient to change the tested power device 11 of another batch.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (10)
1. power control is characterized in that: comprise main control module, the power supply gating module that links to each other with two-way electric energy input at least and the circuit gating module that links to each other with described power supply gating module, at least one road electric energy output end respectively, wherein:
Described main control module is used for according to user instruction, respectively to described power supply gating module, described power supply gating module sending controling instruction;
Described power supply gating module is used for according to described control command, receive the electric energy of importing from a road described electric energy input wherein, and the described electric energy that will import exports described circuit gating module to;
Described circuit gating module is used for according to described control command, receives the electric energy of described power supply gating module output, and controls described electric energy whether from described electric energy output end output or control described electric energy from wherein one the road or the described electric energy output end output in a few road.
2. power control according to claim 1 is characterized in that: described power supply gating module comprises at least two contactors, wherein:
Each described contactor is connected between one tunnel described electric energy input and the described circuit gating module;
Each described contactor links to each other with a control unit;
Described control unit is used to receive described control command, and controls the closed or disconnection of described contactor according to described control command.
3. power control according to claim 2 is characterized in that: each described contactor includes one group of contact open in usual, at least one group of normally closed type auxiliary contact, wherein:
One group of described contact open in usual of each described contactor is connected between one tunnel described electric energy input and the described circuit gating module;
Every group of described normally closed type auxiliary contact of each described contactor is connected between described electric energy input in remaining each road and the described circuit gating module respectively.
4. power control according to claim 2 is characterized in that: described control unit is a relay.
5. power control according to claim 1 is characterized in that: described circuit gating module is at least one relay, wherein:
When described circuit gating module was a relay, described circuit gating module linked to each other with one tunnel described electric energy output end;
When described circuit gating module during at least two relays, each the described relay in the described circuit gating module links to each other with one tunnel described electric energy output end.
6. power control according to claim 1 is characterized in that: described main control module comprises industrial computer and the instruction converting unit that links to each other with industrial computer, wherein:
Described industrial computer is used to receive the user instruction of user's input, and described user instruction is converted into the described instruction converting unit of input after the control command;
Described instruction converting unit is sent to described power supply gating module and described circuit gating module after being used for described control command is converted to high level, low level form.
7. power control according to claim 6 is characterized in that: described main control module links to each other with described instruction converting unit by the RS232 interface.
8. power control according to claim 7 is characterized in that: described instruction converting unit is a single-chip microcomputer.
9. engineering unit testing system, it is characterized in that: comprise two-way electric energy input, at least one road electric energy output end, the arbitrary described power control of claim 1 to 8 at least and the tested power device that links to each other with described electric energy output end, each described tested power device links to each other with a described electric energy output end.
10. engineering unit testing system according to claim 9 is characterized in that: this project device test system also comprises plug and socket, and described electric energy output end links to each other with described tested power device by described plug, described socket, wherein:
Described electric energy output end is electrically connected with described plug or described socket, and described tested power device is electrically connected with described socket or plug, and when described plug was plugged on the socket, described plug formed with described socket and is electrically connected.
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| CN2010101212451A CN101790061B (en) | 2010-03-10 | 2010-03-10 | Power supply control unit and engineering unit testing system |
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| CN2010101212451A CN101790061B (en) | 2010-03-10 | 2010-03-10 | Power supply control unit and engineering unit testing system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1635697A (en) * | 2003-12-27 | 2005-07-06 | 中国科学院近代物理研究所 | Multi-path program-controlled power supply controller |
| JP2007129823A (en) * | 2005-11-02 | 2007-05-24 | Toyota Motor Corp | Power supply testing system suitable for testing power supply system in motor generator |
| CN201039353Y (en) * | 2007-04-10 | 2008-03-19 | 青岛海信电器股份有限公司 | Selection recognition circuit for multi-channel signal source interface |
| CN101282443A (en) * | 2007-04-05 | 2008-10-08 | 青岛海信电器股份有限公司 | Automatic strobe circuit for multipath signal source interface |
| CN201348648Y (en) * | 2009-01-16 | 2009-11-18 | 东莞市大忠电子有限公司 | Timing warner for transformer test |
-
2010
- 2010-03-10 CN CN2010101212451A patent/CN101790061B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1635697A (en) * | 2003-12-27 | 2005-07-06 | 中国科学院近代物理研究所 | Multi-path program-controlled power supply controller |
| JP2007129823A (en) * | 2005-11-02 | 2007-05-24 | Toyota Motor Corp | Power supply testing system suitable for testing power supply system in motor generator |
| CN101282443A (en) * | 2007-04-05 | 2008-10-08 | 青岛海信电器股份有限公司 | Automatic strobe circuit for multipath signal source interface |
| CN201039353Y (en) * | 2007-04-10 | 2008-03-19 | 青岛海信电器股份有限公司 | Selection recognition circuit for multi-channel signal source interface |
| CN201348648Y (en) * | 2009-01-16 | 2009-11-18 | 东莞市大忠电子有限公司 | Timing warner for transformer test |
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